diff options
Diffstat (limited to 'vendor/github.com')
68 files changed, 10687 insertions, 3 deletions
diff --git a/vendor/github.com/google/s2a-go/.gitignore b/vendor/github.com/google/s2a-go/.gitignore new file mode 100644 index 000000000..01764d1cd --- /dev/null +++ b/vendor/github.com/google/s2a-go/.gitignore @@ -0,0 +1,6 @@ +# Ignore binaries without extension +//example/client/client +//example/server/server +//internal/v2/fakes2av2_server/fakes2av2_server + +.idea/
\ No newline at end of file diff --git a/vendor/github.com/google/s2a-go/CODE_OF_CONDUCT.md b/vendor/github.com/google/s2a-go/CODE_OF_CONDUCT.md new file mode 100644 index 000000000..dc079b4d6 --- /dev/null +++ b/vendor/github.com/google/s2a-go/CODE_OF_CONDUCT.md @@ -0,0 +1,93 @@ +# Code of Conduct + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as +contributors and maintainers pledge to making participation in our project and +our community a harassment-free experience for everyone, regardless of age, body +size, disability, ethnicity, gender identity and expression, level of +experience, education, socio-economic status, nationality, personal appearance, +race, religion, or sexual identity and orientation. + +## Our Standards + +Examples of behavior that contributes to creating a positive environment +include: + +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behavior by participants include: + +* The use of sexualized language or imagery and unwelcome sexual attention or + advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or electronic + address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable +behavior and are expected to take appropriate and fair corrective action in +response to any instances of unacceptable behavior. + +Project maintainers have the right and responsibility to remove, edit, or reject +comments, commits, code, wiki edits, issues, and other contributions that are +not aligned to this Code of Conduct, or to ban temporarily or permanently any +contributor for other behaviors that they deem inappropriate, threatening, +offensive, or harmful. + +## Scope + +This Code of Conduct applies both within project spaces and in public spaces +when an individual is representing the project or its community. Examples of +representing a project or community include using an official project e-mail +address, posting via an official social media account, or acting as an appointed +representative at an online or offline event. Representation of a project may be +further defined and clarified by project maintainers. + +This Code of Conduct also applies outside the project spaces when the Project +Steward has a reasonable belief that an individual's behavior may have a +negative impact on the project or its community. + +## Conflict Resolution + +We do not believe that all conflict is bad; healthy debate and disagreement +often yield positive results. However, it is never okay to be disrespectful or +to engage in behavior that violates the project’s code of conduct. + +If you see someone violating the code of conduct, you are encouraged to address +the behavior directly with those involved. Many issues can be resolved quickly +and easily, and this gives people more control over the outcome of their +dispute. If you are unable to resolve the matter for any reason, or if the +behavior is threatening or harassing, report it. We are dedicated to providing +an environment where participants feel welcome and safe. + +Reports should be directed to *[PROJECT STEWARD NAME(s) AND EMAIL(s)]*, the +Project Steward(s) for *[PROJECT NAME]*. It is the Project Steward’s duty to +receive and address reported violations of the code of conduct. They will then +work with a committee consisting of representatives from the Open Source +Programs Office and the Google Open Source Strategy team. If for any reason you +are uncomfortable reaching out to the Project Steward, please email +opensource@google.com. + +We will investigate every complaint, but you may not receive a direct response. +We will use our discretion in determining when and how to follow up on reported +incidents, which may range from not taking action to permanent expulsion from +the project and project-sponsored spaces. We will notify the accused of the +report and provide them an opportunity to discuss it before any action is taken. +The identity of the reporter will be omitted from the details of the report +supplied to the accused. In potentially harmful situations, such as ongoing +harassment or threats to anyone's safety, we may take action without notice. + +## Attribution + +This Code of Conduct is adapted from the Contributor Covenant, version 1.4, +available at +https://www.contributor-covenant.org/version/1/4/code-of-conduct.html diff --git a/vendor/github.com/google/s2a-go/CONTRIBUTING.md b/vendor/github.com/google/s2a-go/CONTRIBUTING.md new file mode 100644 index 000000000..22b241cb7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/CONTRIBUTING.md @@ -0,0 +1,29 @@ +# How to Contribute + +We'd love to accept your patches and contributions to this project. There are +just a few small guidelines you need to follow. + +## Contributor License Agreement + +Contributions to this project must be accompanied by a Contributor License +Agreement (CLA). You (or your employer) retain the copyright to your +contribution; this simply gives us permission to use and redistribute your +contributions as part of the project. Head over to +<https://cla.developers.google.com/> to see your current agreements on file or +to sign a new one. + +You generally only need to submit a CLA once, so if you've already submitted one +(even if it was for a different project), you probably don't need to do it +again. + +## Code reviews + +All submissions, including submissions by project members, require review. We +use GitHub pull requests for this purpose. Consult +[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more +information on using pull requests. + +## Community Guidelines + +This project follows +[Google's Open Source Community Guidelines](https://opensource.google/conduct/). diff --git a/vendor/github.com/google/s2a-go/LICENSE.md b/vendor/github.com/google/s2a-go/LICENSE.md new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/vendor/github.com/google/s2a-go/LICENSE.md @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/google/s2a-go/README.md b/vendor/github.com/google/s2a-go/README.md new file mode 100644 index 000000000..d566950f3 --- /dev/null +++ b/vendor/github.com/google/s2a-go/README.md @@ -0,0 +1,17 @@ +# Secure Session Agent Client Libraries + +The Secure Session Agent is a service that enables a workload to offload select +operations from the mTLS handshake and protects a workload's private key +material from exfiltration. Specifically, the workload asks the Secure Session +Agent for the TLS configuration to use during the handshake, to perform private +key operations, and to validate the peer certificate chain. The Secure Session +Agent's client libraries enable applications to communicate with the Secure +Session Agent during the TLS handshake, and to encrypt traffic to the peer +after the TLS handshake is complete. + +This repository contains the source code for the Secure Session Agent's Go +client libraries, which allow gRPC-Go applications to use the Secure Session +Agent. This repository supports the Bazel and Golang build systems. + +All code in this repository is experimental and subject to change. We do not +guarantee API stability at this time. diff --git a/vendor/github.com/google/s2a-go/fallback/s2a_fallback.go b/vendor/github.com/google/s2a-go/fallback/s2a_fallback.go new file mode 100644 index 000000000..034d1b912 --- /dev/null +++ b/vendor/github.com/google/s2a-go/fallback/s2a_fallback.go @@ -0,0 +1,167 @@ +/* + * + * Copyright 2023 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package fallback provides default implementations of fallback options when S2A fails. +package fallback + +import ( + "context" + "crypto/tls" + "fmt" + "net" + + "google.golang.org/grpc/credentials" + "google.golang.org/grpc/grpclog" +) + +const ( + alpnProtoStrH2 = "h2" + alpnProtoStrHTTP = "http/1.1" + defaultHTTPSPort = "443" +) + +// FallbackTLSConfigGRPC is a tls.Config used by the DefaultFallbackClientHandshakeFunc function. +// It supports GRPC use case, thus the alpn is set to 'h2'. +var FallbackTLSConfigGRPC = tls.Config{ + MinVersion: tls.VersionTLS13, + ClientSessionCache: nil, + NextProtos: []string{alpnProtoStrH2}, +} + +// FallbackTLSConfigHTTP is a tls.Config used by the DefaultFallbackDialerAndAddress func. +// It supports the HTTP use case and the alpn is set to both 'http/1.1' and 'h2'. +var FallbackTLSConfigHTTP = tls.Config{ + MinVersion: tls.VersionTLS13, + ClientSessionCache: nil, + NextProtos: []string{alpnProtoStrH2, alpnProtoStrHTTP}, +} + +// ClientHandshake establishes a TLS connection and returns it, plus its auth info. +// Inputs: +// +// targetServer: the server attempted with S2A. +// conn: the tcp connection to the server at address targetServer that was passed into S2A's ClientHandshake func. +// If fallback is successful, the `conn` should be closed. +// err: the error encountered when performing the client-side TLS handshake with S2A. +type ClientHandshake func(ctx context.Context, targetServer string, conn net.Conn, err error) (net.Conn, credentials.AuthInfo, error) + +// DefaultFallbackClientHandshakeFunc returns a ClientHandshake function, +// which establishes a TLS connection to the provided fallbackAddr, returns the new connection and its auth info. +// Example use: +// +// transportCreds, _ = s2a.NewClientCreds(&s2a.ClientOptions{ +// S2AAddress: s2aAddress, +// FallbackOpts: &s2a.FallbackOptions{ // optional +// FallbackClientHandshakeFunc: fallback.DefaultFallbackClientHandshakeFunc(fallbackAddr), +// }, +// }) +// +// The fallback server's certificate must be verifiable using OS root store. +// The fallbackAddr is expected to be a network address, e.g. example.com:port. If port is not specified, +// it uses default port 443. +// In the returned function's TLS config, ClientSessionCache is explicitly set to nil to disable TLS resumption, +// and min TLS version is set to 1.3. +func DefaultFallbackClientHandshakeFunc(fallbackAddr string) (ClientHandshake, error) { + var fallbackDialer = tls.Dialer{Config: &FallbackTLSConfigGRPC} + return defaultFallbackClientHandshakeFuncInternal(fallbackAddr, fallbackDialer.DialContext) +} + +func defaultFallbackClientHandshakeFuncInternal(fallbackAddr string, dialContextFunc func(context.Context, string, string) (net.Conn, error)) (ClientHandshake, error) { + fallbackServerAddr, err := processFallbackAddr(fallbackAddr) + if err != nil { + if grpclog.V(1) { + grpclog.Infof("error processing fallback address [%s]: %v", fallbackAddr, err) + } + return nil, err + } + return func(ctx context.Context, targetServer string, conn net.Conn, s2aErr error) (net.Conn, credentials.AuthInfo, error) { + fbConn, fbErr := dialContextFunc(ctx, "tcp", fallbackServerAddr) + if fbErr != nil { + grpclog.Infof("dialing to fallback server %s failed: %v", fallbackServerAddr, fbErr) + return nil, nil, fmt.Errorf("dialing to fallback server %s failed: %v; S2A client handshake with %s error: %w", fallbackServerAddr, fbErr, targetServer, s2aErr) + } + + tc, success := fbConn.(*tls.Conn) + if !success { + grpclog.Infof("the connection with fallback server is expected to be tls but isn't") + return nil, nil, fmt.Errorf("the connection with fallback server is expected to be tls but isn't; S2A client handshake with %s error: %w", targetServer, s2aErr) + } + + tlsInfo := credentials.TLSInfo{ + State: tc.ConnectionState(), + CommonAuthInfo: credentials.CommonAuthInfo{ + SecurityLevel: credentials.PrivacyAndIntegrity, + }, + } + if grpclog.V(1) { + grpclog.Infof("ConnectionState.NegotiatedProtocol: %v", tc.ConnectionState().NegotiatedProtocol) + grpclog.Infof("ConnectionState.HandshakeComplete: %v", tc.ConnectionState().HandshakeComplete) + grpclog.Infof("ConnectionState.ServerName: %v", tc.ConnectionState().ServerName) + } + conn.Close() + return fbConn, tlsInfo, nil + }, nil +} + +// DefaultFallbackDialerAndAddress returns a TLS dialer and the network address to dial. +// Example use: +// +// fallbackDialer, fallbackServerAddr := fallback.DefaultFallbackDialerAndAddress(fallbackAddr) +// dialTLSContext := s2a.NewS2aDialTLSContextFunc(&s2a.ClientOptions{ +// S2AAddress: s2aAddress, // required +// FallbackOpts: &s2a.FallbackOptions{ +// FallbackDialer: &s2a.FallbackDialer{ +// Dialer: fallbackDialer, +// ServerAddr: fallbackServerAddr, +// }, +// }, +// }) +// +// The fallback server's certificate should be verifiable using OS root store. +// The fallbackAddr is expected to be a network address, e.g. example.com:port. If port is not specified, +// it uses default port 443. +// In the returned function's TLS config, ClientSessionCache is explicitly set to nil to disable TLS resumption, +// and min TLS version is set to 1.3. +func DefaultFallbackDialerAndAddress(fallbackAddr string) (*tls.Dialer, string, error) { + fallbackServerAddr, err := processFallbackAddr(fallbackAddr) + if err != nil { + if grpclog.V(1) { + grpclog.Infof("error processing fallback address [%s]: %v", fallbackAddr, err) + } + return nil, "", err + } + return &tls.Dialer{Config: &FallbackTLSConfigHTTP}, fallbackServerAddr, nil +} + +func processFallbackAddr(fallbackAddr string) (string, error) { + var fallbackServerAddr string + var err error + + if fallbackAddr == "" { + return "", fmt.Errorf("empty fallback address") + } + _, _, err = net.SplitHostPort(fallbackAddr) + if err != nil { + // fallbackAddr does not have port suffix + fallbackServerAddr = net.JoinHostPort(fallbackAddr, defaultHTTPSPort) + } else { + // FallbackServerAddr already has port suffix + fallbackServerAddr = fallbackAddr + } + return fallbackServerAddr, nil +} diff --git a/vendor/github.com/google/s2a-go/internal/authinfo/authinfo.go b/vendor/github.com/google/s2a-go/internal/authinfo/authinfo.go new file mode 100644 index 000000000..aa3967f9d --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/authinfo/authinfo.go @@ -0,0 +1,119 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package authinfo provides authentication and authorization information that +// results from the TLS handshake. +package authinfo + +import ( + "errors" + + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + contextpb "github.com/google/s2a-go/internal/proto/s2a_context_go_proto" + grpcpb "github.com/google/s2a-go/internal/proto/s2a_go_proto" + "google.golang.org/grpc/credentials" +) + +var _ credentials.AuthInfo = (*S2AAuthInfo)(nil) + +const s2aAuthType = "s2a" + +// S2AAuthInfo exposes authentication and authorization information from the +// S2A session result to the gRPC stack. +type S2AAuthInfo struct { + s2aContext *contextpb.S2AContext + commonAuthInfo credentials.CommonAuthInfo +} + +// NewS2AAuthInfo returns a new S2AAuthInfo object from the S2A session result. +func NewS2AAuthInfo(result *grpcpb.SessionResult) (credentials.AuthInfo, error) { + return newS2AAuthInfo(result) +} + +func newS2AAuthInfo(result *grpcpb.SessionResult) (*S2AAuthInfo, error) { + if result == nil { + return nil, errors.New("NewS2aAuthInfo given nil session result") + } + return &S2AAuthInfo{ + s2aContext: &contextpb.S2AContext{ + ApplicationProtocol: result.GetApplicationProtocol(), + TlsVersion: result.GetState().GetTlsVersion(), + Ciphersuite: result.GetState().GetTlsCiphersuite(), + PeerIdentity: result.GetPeerIdentity(), + LocalIdentity: result.GetLocalIdentity(), + PeerCertFingerprint: result.GetPeerCertFingerprint(), + LocalCertFingerprint: result.GetLocalCertFingerprint(), + IsHandshakeResumed: result.GetState().GetIsHandshakeResumed(), + }, + commonAuthInfo: credentials.CommonAuthInfo{SecurityLevel: credentials.PrivacyAndIntegrity}, + }, nil +} + +// AuthType returns the authentication type. +func (s *S2AAuthInfo) AuthType() string { + return s2aAuthType +} + +// ApplicationProtocol returns the application protocol, e.g. "grpc". +func (s *S2AAuthInfo) ApplicationProtocol() string { + return s.s2aContext.GetApplicationProtocol() +} + +// TLSVersion returns the TLS version negotiated during the handshake. +func (s *S2AAuthInfo) TLSVersion() commonpb.TLSVersion { + return s.s2aContext.GetTlsVersion() +} + +// Ciphersuite returns the ciphersuite negotiated during the handshake. +func (s *S2AAuthInfo) Ciphersuite() commonpb.Ciphersuite { + return s.s2aContext.GetCiphersuite() +} + +// PeerIdentity returns the authenticated identity of the peer. +func (s *S2AAuthInfo) PeerIdentity() *commonpb.Identity { + return s.s2aContext.GetPeerIdentity() +} + +// LocalIdentity returns the local identity of the application used during +// session setup. +func (s *S2AAuthInfo) LocalIdentity() *commonpb.Identity { + return s.s2aContext.GetLocalIdentity() +} + +// PeerCertFingerprint returns the SHA256 hash of the peer certificate used in +// the S2A handshake. +func (s *S2AAuthInfo) PeerCertFingerprint() []byte { + return s.s2aContext.GetPeerCertFingerprint() +} + +// LocalCertFingerprint returns the SHA256 hash of the local certificate used +// in the S2A handshake. +func (s *S2AAuthInfo) LocalCertFingerprint() []byte { + return s.s2aContext.GetLocalCertFingerprint() +} + +// IsHandshakeResumed returns true if a cached session was used to resume +// the handshake. +func (s *S2AAuthInfo) IsHandshakeResumed() bool { + return s.s2aContext.GetIsHandshakeResumed() +} + +// SecurityLevel returns the security level of the connection. +func (s *S2AAuthInfo) SecurityLevel() credentials.SecurityLevel { + return s.commonAuthInfo.SecurityLevel +} diff --git a/vendor/github.com/google/s2a-go/internal/handshaker/handshaker.go b/vendor/github.com/google/s2a-go/internal/handshaker/handshaker.go new file mode 100644 index 000000000..8297c9a97 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/handshaker/handshaker.go @@ -0,0 +1,438 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package handshaker communicates with the S2A handshaker service. +package handshaker + +import ( + "context" + "errors" + "fmt" + "io" + "net" + "sync" + + "github.com/google/s2a-go/internal/authinfo" + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + s2apb "github.com/google/s2a-go/internal/proto/s2a_go_proto" + "github.com/google/s2a-go/internal/record" + "github.com/google/s2a-go/internal/tokenmanager" + grpc "google.golang.org/grpc" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/credentials" + "google.golang.org/grpc/grpclog" +) + +var ( + // appProtocol contains the application protocol accepted by the handshaker. + appProtocol = "grpc" + // frameLimit is the maximum size of a frame in bytes. + frameLimit = 1024 * 64 + // peerNotRespondingError is the error thrown when the peer doesn't respond. + errPeerNotResponding = errors.New("peer is not responding and re-connection should be attempted") +) + +// Handshaker defines a handshaker interface. +type Handshaker interface { + // ClientHandshake starts and completes a TLS handshake from the client side, + // and returns a secure connection along with additional auth information. + ClientHandshake(ctx context.Context) (net.Conn, credentials.AuthInfo, error) + // ServerHandshake starts and completes a TLS handshake from the server side, + // and returns a secure connection along with additional auth information. + ServerHandshake(ctx context.Context) (net.Conn, credentials.AuthInfo, error) + // Close terminates the Handshaker. It should be called when the handshake + // is complete. + Close() error +} + +// ClientHandshakerOptions contains the options needed to configure the S2A +// handshaker service on the client-side. +type ClientHandshakerOptions struct { + // MinTLSVersion specifies the min TLS version supported by the client. + MinTLSVersion commonpb.TLSVersion + // MaxTLSVersion specifies the max TLS version supported by the client. + MaxTLSVersion commonpb.TLSVersion + // TLSCiphersuites is the ordered list of ciphersuites supported by the + // client. + TLSCiphersuites []commonpb.Ciphersuite + // TargetIdentities contains a list of allowed server identities. One of the + // target identities should match the peer identity in the handshake + // result; otherwise, the handshake fails. + TargetIdentities []*commonpb.Identity + // LocalIdentity is the local identity of the client application. If none is + // provided, then the S2A will choose the default identity. + LocalIdentity *commonpb.Identity + // TargetName is the allowed server name, which may be used for server + // authorization check by the S2A if it is provided. + TargetName string + // EnsureProcessSessionTickets allows users to wait and ensure that all + // available session tickets are sent to S2A before a process completes. + EnsureProcessSessionTickets *sync.WaitGroup +} + +// ServerHandshakerOptions contains the options needed to configure the S2A +// handshaker service on the server-side. +type ServerHandshakerOptions struct { + // MinTLSVersion specifies the min TLS version supported by the server. + MinTLSVersion commonpb.TLSVersion + // MaxTLSVersion specifies the max TLS version supported by the server. + MaxTLSVersion commonpb.TLSVersion + // TLSCiphersuites is the ordered list of ciphersuites supported by the + // server. + TLSCiphersuites []commonpb.Ciphersuite + // LocalIdentities is the list of local identities that may be assumed by + // the server. If no local identity is specified, then the S2A chooses a + // default local identity. + LocalIdentities []*commonpb.Identity +} + +// s2aHandshaker performs a TLS handshake using the S2A handshaker service. +type s2aHandshaker struct { + // stream is used to communicate with the S2A handshaker service. + stream s2apb.S2AService_SetUpSessionClient + // conn is the connection to the peer. + conn net.Conn + // clientOpts should be non-nil iff the handshaker is client-side. + clientOpts *ClientHandshakerOptions + // serverOpts should be non-nil iff the handshaker is server-side. + serverOpts *ServerHandshakerOptions + // isClient determines if the handshaker is client or server side. + isClient bool + // hsAddr stores the address of the S2A handshaker service. + hsAddr string + // tokenManager manages access tokens for authenticating to S2A. + tokenManager tokenmanager.AccessTokenManager + // localIdentities is the set of local identities for whom the + // tokenManager should fetch a token when preparing a request to be + // sent to S2A. + localIdentities []*commonpb.Identity +} + +// NewClientHandshaker creates an s2aHandshaker instance that performs a +// client-side TLS handshake using the S2A handshaker service. +func NewClientHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn, hsAddr string, opts *ClientHandshakerOptions) (Handshaker, error) { + stream, err := s2apb.NewS2AServiceClient(conn).SetUpSession(ctx, grpc.WaitForReady(true)) + if err != nil { + return nil, err + } + tokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + if err != nil { + grpclog.Infof("failed to create single token access token manager: %v", err) + } + return newClientHandshaker(stream, c, hsAddr, opts, tokenManager), nil +} + +func newClientHandshaker(stream s2apb.S2AService_SetUpSessionClient, c net.Conn, hsAddr string, opts *ClientHandshakerOptions, tokenManager tokenmanager.AccessTokenManager) *s2aHandshaker { + var localIdentities []*commonpb.Identity + if opts != nil { + localIdentities = []*commonpb.Identity{opts.LocalIdentity} + } + return &s2aHandshaker{ + stream: stream, + conn: c, + clientOpts: opts, + isClient: true, + hsAddr: hsAddr, + tokenManager: tokenManager, + localIdentities: localIdentities, + } +} + +// NewServerHandshaker creates an s2aHandshaker instance that performs a +// server-side TLS handshake using the S2A handshaker service. +func NewServerHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn, hsAddr string, opts *ServerHandshakerOptions) (Handshaker, error) { + stream, err := s2apb.NewS2AServiceClient(conn).SetUpSession(ctx, grpc.WaitForReady(true)) + if err != nil { + return nil, err + } + tokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + if err != nil { + grpclog.Infof("failed to create single token access token manager: %v", err) + } + return newServerHandshaker(stream, c, hsAddr, opts, tokenManager), nil +} + +func newServerHandshaker(stream s2apb.S2AService_SetUpSessionClient, c net.Conn, hsAddr string, opts *ServerHandshakerOptions, tokenManager tokenmanager.AccessTokenManager) *s2aHandshaker { + var localIdentities []*commonpb.Identity + if opts != nil { + localIdentities = opts.LocalIdentities + } + return &s2aHandshaker{ + stream: stream, + conn: c, + serverOpts: opts, + isClient: false, + hsAddr: hsAddr, + tokenManager: tokenManager, + localIdentities: localIdentities, + } +} + +// ClientHandshake performs a client-side TLS handshake using the S2A handshaker +// service. When complete, returns a TLS connection. +func (h *s2aHandshaker) ClientHandshake(_ context.Context) (net.Conn, credentials.AuthInfo, error) { + if !h.isClient { + return nil, nil, errors.New("only handshakers created using NewClientHandshaker can perform a client-side handshake") + } + // Extract the hostname from the target name. The target name is assumed to be an authority. + hostname, _, err := net.SplitHostPort(h.clientOpts.TargetName) + if err != nil { + // If the target name had no host port or could not be parsed, use it as is. + hostname = h.clientOpts.TargetName + } + + // Prepare a client start message to send to the S2A handshaker service. + req := &s2apb.SessionReq{ + ReqOneof: &s2apb.SessionReq_ClientStart{ + ClientStart: &s2apb.ClientSessionStartReq{ + ApplicationProtocols: []string{appProtocol}, + MinTlsVersion: h.clientOpts.MinTLSVersion, + MaxTlsVersion: h.clientOpts.MaxTLSVersion, + TlsCiphersuites: h.clientOpts.TLSCiphersuites, + TargetIdentities: h.clientOpts.TargetIdentities, + LocalIdentity: h.clientOpts.LocalIdentity, + TargetName: hostname, + }, + }, + AuthMechanisms: h.getAuthMechanisms(), + } + conn, result, err := h.setUpSession(req) + if err != nil { + return nil, nil, err + } + authInfo, err := authinfo.NewS2AAuthInfo(result) + if err != nil { + return nil, nil, err + } + return conn, authInfo, nil +} + +// ServerHandshake performs a server-side TLS handshake using the S2A handshaker +// service. When complete, returns a TLS connection. +func (h *s2aHandshaker) ServerHandshake(_ context.Context) (net.Conn, credentials.AuthInfo, error) { + if h.isClient { + return nil, nil, errors.New("only handshakers created using NewServerHandshaker can perform a server-side handshake") + } + p := make([]byte, frameLimit) + n, err := h.conn.Read(p) + if err != nil { + return nil, nil, err + } + // Prepare a server start message to send to the S2A handshaker service. + req := &s2apb.SessionReq{ + ReqOneof: &s2apb.SessionReq_ServerStart{ + ServerStart: &s2apb.ServerSessionStartReq{ + ApplicationProtocols: []string{appProtocol}, + MinTlsVersion: h.serverOpts.MinTLSVersion, + MaxTlsVersion: h.serverOpts.MaxTLSVersion, + TlsCiphersuites: h.serverOpts.TLSCiphersuites, + LocalIdentities: h.serverOpts.LocalIdentities, + InBytes: p[:n], + }, + }, + AuthMechanisms: h.getAuthMechanisms(), + } + conn, result, err := h.setUpSession(req) + if err != nil { + return nil, nil, err + } + authInfo, err := authinfo.NewS2AAuthInfo(result) + if err != nil { + return nil, nil, err + } + return conn, authInfo, nil +} + +// setUpSession proxies messages between the peer and the S2A handshaker +// service. +func (h *s2aHandshaker) setUpSession(req *s2apb.SessionReq) (net.Conn, *s2apb.SessionResult, error) { + resp, err := h.accessHandshakerService(req) + if err != nil { + return nil, nil, err + } + // Check if the returned status is an error. + if resp.GetStatus() != nil { + if got, want := resp.GetStatus().Code, uint32(codes.OK); got != want { + return nil, nil, fmt.Errorf("%v", resp.GetStatus().Details) + } + } + // Calculate the extra unread bytes from the Session. Attempting to consume + // more than the bytes sent will throw an error. + var extra []byte + if req.GetServerStart() != nil { + if resp.GetBytesConsumed() > uint32(len(req.GetServerStart().GetInBytes())) { + return nil, nil, errors.New("handshaker service consumed bytes value is out-of-bounds") + } + extra = req.GetServerStart().GetInBytes()[resp.GetBytesConsumed():] + } + result, extra, err := h.processUntilDone(resp, extra) + if err != nil { + return nil, nil, err + } + if result.GetLocalIdentity() == nil { + return nil, nil, errors.New("local identity must be populated in session result") + } + + // Create a new TLS record protocol using the Session Result. + newConn, err := record.NewConn(&record.ConnParameters{ + NetConn: h.conn, + Ciphersuite: result.GetState().GetTlsCiphersuite(), + TLSVersion: result.GetState().GetTlsVersion(), + InTrafficSecret: result.GetState().GetInKey(), + OutTrafficSecret: result.GetState().GetOutKey(), + UnusedBuf: extra, + InSequence: result.GetState().GetInSequence(), + OutSequence: result.GetState().GetOutSequence(), + HSAddr: h.hsAddr, + ConnectionID: result.GetState().GetConnectionId(), + LocalIdentity: result.GetLocalIdentity(), + EnsureProcessSessionTickets: h.ensureProcessSessionTickets(), + }) + if err != nil { + return nil, nil, err + } + return newConn, result, nil +} + +func (h *s2aHandshaker) ensureProcessSessionTickets() *sync.WaitGroup { + if h.clientOpts == nil { + return nil + } + return h.clientOpts.EnsureProcessSessionTickets +} + +// accessHandshakerService sends the session request to the S2A handshaker +// service and returns the session response. +func (h *s2aHandshaker) accessHandshakerService(req *s2apb.SessionReq) (*s2apb.SessionResp, error) { + if err := h.stream.Send(req); err != nil { + return nil, err + } + resp, err := h.stream.Recv() + if err != nil { + return nil, err + } + return resp, nil +} + +// processUntilDone continues proxying messages between the peer and the S2A +// handshaker service until the handshaker service returns the SessionResult at +// the end of the handshake or an error occurs. +func (h *s2aHandshaker) processUntilDone(resp *s2apb.SessionResp, unusedBytes []byte) (*s2apb.SessionResult, []byte, error) { + for { + if len(resp.OutFrames) > 0 { + if _, err := h.conn.Write(resp.OutFrames); err != nil { + return nil, nil, err + } + } + if resp.Result != nil { + return resp.Result, unusedBytes, nil + } + buf := make([]byte, frameLimit) + n, err := h.conn.Read(buf) + if err != nil && err != io.EOF { + return nil, nil, err + } + // If there is nothing to send to the handshaker service and nothing is + // received from the peer, then we are stuck. This covers the case when + // the peer is not responding. Note that handshaker service connection + // issues are caught in accessHandshakerService before we even get + // here. + if len(resp.OutFrames) == 0 && n == 0 { + return nil, nil, errPeerNotResponding + } + // Append extra bytes from the previous interaction with the handshaker + // service with the current buffer read from conn. + p := append(unusedBytes, buf[:n]...) + // From here on, p and unusedBytes point to the same slice. + resp, err = h.accessHandshakerService(&s2apb.SessionReq{ + ReqOneof: &s2apb.SessionReq_Next{ + Next: &s2apb.SessionNextReq{ + InBytes: p, + }, + }, + AuthMechanisms: h.getAuthMechanisms(), + }) + if err != nil { + return nil, nil, err + } + + // Cache the local identity returned by S2A, if it is populated. This + // overwrites any existing local identities. This is done because, once the + // S2A has selected a local identity, then only that local identity should + // be asserted in future requests until the end of the current handshake. + if resp.GetLocalIdentity() != nil { + h.localIdentities = []*commonpb.Identity{resp.GetLocalIdentity()} + } + + // Set unusedBytes based on the handshaker service response. + if resp.GetBytesConsumed() > uint32(len(p)) { + return nil, nil, errors.New("handshaker service consumed bytes value is out-of-bounds") + } + unusedBytes = p[resp.GetBytesConsumed():] + } +} + +// Close shuts down the handshaker and the stream to the S2A handshaker service +// when the handshake is complete. It should be called when the caller obtains +// the secure connection at the end of the handshake. +func (h *s2aHandshaker) Close() error { + return h.stream.CloseSend() +} + +func (h *s2aHandshaker) getAuthMechanisms() []*s2apb.AuthenticationMechanism { + if h.tokenManager == nil { + return nil + } + // First handle the special case when no local identities have been provided + // by the application. In this case, an AuthenticationMechanism with no local + // identity will be sent. + if len(h.localIdentities) == 0 { + token, err := h.tokenManager.DefaultToken() + if err != nil { + grpclog.Infof("unable to get token for empty local identity: %v", err) + return nil + } + return []*s2apb.AuthenticationMechanism{ + { + MechanismOneof: &s2apb.AuthenticationMechanism_Token{ + Token: token, + }, + }, + } + } + + // Next, handle the case where the application (or the S2A) has provided + // one or more local identities. + var authMechanisms []*s2apb.AuthenticationMechanism + for _, localIdentity := range h.localIdentities { + token, err := h.tokenManager.Token(localIdentity) + if err != nil { + grpclog.Infof("unable to get token for local identity %v: %v", localIdentity, err) + continue + } + + authMechanism := &s2apb.AuthenticationMechanism{ + Identity: localIdentity, + MechanismOneof: &s2apb.AuthenticationMechanism_Token{ + Token: token, + }, + } + authMechanisms = append(authMechanisms, authMechanism) + } + return authMechanisms +} diff --git a/vendor/github.com/google/s2a-go/internal/handshaker/service/service.go b/vendor/github.com/google/s2a-go/internal/handshaker/service/service.go new file mode 100644 index 000000000..49573af88 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/handshaker/service/service.go @@ -0,0 +1,99 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package service is a utility for calling the S2A handshaker service. +package service + +import ( + "context" + "net" + "os" + "strings" + "sync" + "time" + + "google.golang.org/appengine" + "google.golang.org/appengine/socket" + grpc "google.golang.org/grpc" + "google.golang.org/grpc/grpclog" +) + +// An environment variable, if true, opportunistically use AppEngine-specific dialer to call S2A. +const enableAppEngineDialerEnv = "S2A_ENABLE_APP_ENGINE_DIALER" + +var ( + // appEngineDialerHook is an AppEngine-specific dial option that is set + // during init time. If nil, then the application is not running on Google + // AppEngine. + appEngineDialerHook func(context.Context) grpc.DialOption + // mu guards hsConnMap and hsDialer. + mu sync.Mutex + // hsConnMap represents a mapping from an S2A handshaker service address + // to a corresponding connection to an S2A handshaker service instance. + hsConnMap = make(map[string]*grpc.ClientConn) + // hsDialer will be reassigned in tests. + hsDialer = grpc.Dial +) + +func init() { + if !appengine.IsAppEngine() && !appengine.IsDevAppServer() { + return + } + appEngineDialerHook = func(ctx context.Context) grpc.DialOption { + return grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) { + return socket.DialTimeout(ctx, "tcp", addr, timeout) + }) + } +} + +// Dial dials the S2A handshaker service. If a connection has already been +// established, this function returns it. Otherwise, a new connection is +// created. +func Dial(handshakerServiceAddress string) (*grpc.ClientConn, error) { + mu.Lock() + defer mu.Unlock() + + hsConn, ok := hsConnMap[handshakerServiceAddress] + if !ok { + // Create a new connection to the S2A handshaker service. Note that + // this connection stays open until the application is closed. + grpcOpts := []grpc.DialOption{ + grpc.WithInsecure(), + } + if enableAppEngineDialer() && appEngineDialerHook != nil { + if grpclog.V(1) { + grpclog.Info("Using AppEngine-specific dialer to talk to S2A.") + } + grpcOpts = append(grpcOpts, appEngineDialerHook(context.Background())) + } + var err error + hsConn, err = hsDialer(handshakerServiceAddress, grpcOpts...) + if err != nil { + return nil, err + } + hsConnMap[handshakerServiceAddress] = hsConn + } + return hsConn, nil +} + +func enableAppEngineDialer() bool { + if strings.ToLower(os.Getenv(enableAppEngineDialerEnv)) == "true" { + return true + } + return false +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/common_go_proto/common.pb.go b/vendor/github.com/google/s2a-go/internal/proto/common_go_proto/common.pb.go new file mode 100644 index 000000000..16278a1d9 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/common_go_proto/common.pb.go @@ -0,0 +1,389 @@ +// Copyright 2021 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/common/common.proto + +package common_go_proto + +import ( + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +// The ciphersuites supported by S2A. The name determines the confidentiality, +// and authentication ciphers as well as the hash algorithm used for PRF in +// TLS 1.2 or HKDF in TLS 1.3. Thus, the components of the name are: +// - AEAD -- for encryption and authentication, e.g., AES_128_GCM. +// - Hash algorithm -- used in PRF or HKDF, e.g., SHA256. +type Ciphersuite int32 + +const ( + Ciphersuite_AES_128_GCM_SHA256 Ciphersuite = 0 + Ciphersuite_AES_256_GCM_SHA384 Ciphersuite = 1 + Ciphersuite_CHACHA20_POLY1305_SHA256 Ciphersuite = 2 +) + +// Enum value maps for Ciphersuite. +var ( + Ciphersuite_name = map[int32]string{ + 0: "AES_128_GCM_SHA256", + 1: "AES_256_GCM_SHA384", + 2: "CHACHA20_POLY1305_SHA256", + } + Ciphersuite_value = map[string]int32{ + "AES_128_GCM_SHA256": 0, + "AES_256_GCM_SHA384": 1, + "CHACHA20_POLY1305_SHA256": 2, + } +) + +func (x Ciphersuite) Enum() *Ciphersuite { + p := new(Ciphersuite) + *p = x + return p +} + +func (x Ciphersuite) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (Ciphersuite) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_common_common_proto_enumTypes[0].Descriptor() +} + +func (Ciphersuite) Type() protoreflect.EnumType { + return &file_internal_proto_common_common_proto_enumTypes[0] +} + +func (x Ciphersuite) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use Ciphersuite.Descriptor instead. +func (Ciphersuite) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_common_common_proto_rawDescGZIP(), []int{0} +} + +// The TLS versions supported by S2A's handshaker module. +type TLSVersion int32 + +const ( + TLSVersion_TLS1_2 TLSVersion = 0 + TLSVersion_TLS1_3 TLSVersion = 1 +) + +// Enum value maps for TLSVersion. +var ( + TLSVersion_name = map[int32]string{ + 0: "TLS1_2", + 1: "TLS1_3", + } + TLSVersion_value = map[string]int32{ + "TLS1_2": 0, + "TLS1_3": 1, + } +) + +func (x TLSVersion) Enum() *TLSVersion { + p := new(TLSVersion) + *p = x + return p +} + +func (x TLSVersion) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (TLSVersion) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_common_common_proto_enumTypes[1].Descriptor() +} + +func (TLSVersion) Type() protoreflect.EnumType { + return &file_internal_proto_common_common_proto_enumTypes[1] +} + +func (x TLSVersion) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use TLSVersion.Descriptor instead. +func (TLSVersion) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_common_common_proto_rawDescGZIP(), []int{1} +} + +type Identity struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Types that are assignable to IdentityOneof: + // + // *Identity_SpiffeId + // *Identity_Hostname + // *Identity_Uid + // *Identity_MdbUsername + // *Identity_GaiaId + IdentityOneof isIdentity_IdentityOneof `protobuf_oneof:"identity_oneof"` + // Additional identity-specific attributes. + Attributes map[string]string `protobuf:"bytes,3,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` +} + +func (x *Identity) Reset() { + *x = Identity{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_common_common_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Identity) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Identity) ProtoMessage() {} + +func (x *Identity) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_common_common_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use Identity.ProtoReflect.Descriptor instead. +func (*Identity) Descriptor() ([]byte, []int) { + return file_internal_proto_common_common_proto_rawDescGZIP(), []int{0} +} + +func (m *Identity) GetIdentityOneof() isIdentity_IdentityOneof { + if m != nil { + return m.IdentityOneof + } + return nil +} + +func (x *Identity) GetSpiffeId() string { + if x, ok := x.GetIdentityOneof().(*Identity_SpiffeId); ok { + return x.SpiffeId + } + return "" +} + +func (x *Identity) GetHostname() string { + if x, ok := x.GetIdentityOneof().(*Identity_Hostname); ok { + return x.Hostname + } + return "" +} + +func (x *Identity) GetUid() string { + if x, ok := x.GetIdentityOneof().(*Identity_Uid); ok { + return x.Uid + } + return "" +} + +func (x *Identity) GetMdbUsername() string { + if x, ok := x.GetIdentityOneof().(*Identity_MdbUsername); ok { + return x.MdbUsername + } + return "" +} + +func (x *Identity) GetGaiaId() string { + if x, ok := x.GetIdentityOneof().(*Identity_GaiaId); ok { + return x.GaiaId + } + return "" +} + +func (x *Identity) GetAttributes() map[string]string { + if x != nil { + return x.Attributes + } + return nil +} + +type isIdentity_IdentityOneof interface { + isIdentity_IdentityOneof() +} + +type Identity_SpiffeId struct { + // The SPIFFE ID of a connection endpoint. + SpiffeId string `protobuf:"bytes,1,opt,name=spiffe_id,json=spiffeId,proto3,oneof"` +} + +type Identity_Hostname struct { + // The hostname of a connection endpoint. + Hostname string `protobuf:"bytes,2,opt,name=hostname,proto3,oneof"` +} + +type Identity_Uid struct { + // The UID of a connection endpoint. + Uid string `protobuf:"bytes,4,opt,name=uid,proto3,oneof"` +} + +type Identity_MdbUsername struct { + // The MDB username of a connection endpoint. + MdbUsername string `protobuf:"bytes,5,opt,name=mdb_username,json=mdbUsername,proto3,oneof"` +} + +type Identity_GaiaId struct { + // The Gaia ID of a connection endpoint. + GaiaId string `protobuf:"bytes,6,opt,name=gaia_id,json=gaiaId,proto3,oneof"` +} + +func (*Identity_SpiffeId) isIdentity_IdentityOneof() {} + +func (*Identity_Hostname) isIdentity_IdentityOneof() {} + +func (*Identity_Uid) isIdentity_IdentityOneof() {} + +func (*Identity_MdbUsername) isIdentity_IdentityOneof() {} + +func (*Identity_GaiaId) isIdentity_IdentityOneof() {} + +var File_internal_proto_common_common_proto protoreflect.FileDescriptor + +var file_internal_proto_common_common_proto_rawDesc = []byte{ + 0x0a, 0x22, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, + 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, + 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09, 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, + 0xb1, 0x02, 0x0a, 0x08, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x12, 0x1d, 0x0a, 0x09, + 0x73, 0x70, 0x69, 0x66, 0x66, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x48, + 0x00, 0x52, 0x08, 0x73, 0x70, 0x69, 0x66, 0x66, 0x65, 0x49, 0x64, 0x12, 0x1c, 0x0a, 0x08, 0x68, + 0x6f, 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file_internal_proto_common_common_proto_rawDescGZIP() []byte { + file_internal_proto_common_common_proto_rawDescOnce.Do(func() { + file_internal_proto_common_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_proto_common_common_proto_rawDescData) + }) + return file_internal_proto_common_common_proto_rawDescData +} + +var file_internal_proto_common_common_proto_enumTypes = make([]protoimpl.EnumInfo, 2) +var file_internal_proto_common_common_proto_msgTypes = make([]protoimpl.MessageInfo, 2) +var file_internal_proto_common_common_proto_goTypes = []interface{}{ + (Ciphersuite)(0), // 0: s2a.proto.Ciphersuite + (TLSVersion)(0), // 1: s2a.proto.TLSVersion + (*Identity)(nil), // 2: s2a.proto.Identity + nil, // 3: s2a.proto.Identity.AttributesEntry +} +var file_internal_proto_common_common_proto_depIdxs = []int32{ + 3, // 0: s2a.proto.Identity.attributes:type_name -> s2a.proto.Identity.AttributesEntry + 1, // [1:1] is the sub-list for method output_type + 1, // [1:1] is the sub-list for method input_type + 1, // [1:1] is the sub-list for extension type_name + 1, // [1:1] is the sub-list for extension extendee + 0, // [0:1] is the sub-list for field type_name +} + +func init() { file_internal_proto_common_common_proto_init() } +func file_internal_proto_common_common_proto_init() { + if File_internal_proto_common_common_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_internal_proto_common_common_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Identity); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + file_internal_proto_common_common_proto_msgTypes[0].OneofWrappers = []interface{}{ + (*Identity_SpiffeId)(nil), + (*Identity_Hostname)(nil), + (*Identity_Uid)(nil), + (*Identity_MdbUsername)(nil), + (*Identity_GaiaId)(nil), + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_common_common_proto_rawDesc, + NumEnums: 2, + NumMessages: 2, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_internal_proto_common_common_proto_goTypes, + DependencyIndexes: file_internal_proto_common_common_proto_depIdxs, + EnumInfos: file_internal_proto_common_common_proto_enumTypes, + MessageInfos: file_internal_proto_common_common_proto_msgTypes, + }.Build() + File_internal_proto_common_common_proto = out.File + file_internal_proto_common_common_proto_rawDesc = nil + file_internal_proto_common_common_proto_goTypes = nil + file_internal_proto_common_common_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/s2a_context_go_proto/s2a_context.pb.go b/vendor/github.com/google/s2a-go/internal/proto/s2a_context_go_proto/s2a_context.pb.go new file mode 100644 index 000000000..f4f763ae1 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/s2a_context_go_proto/s2a_context.pb.go @@ -0,0 +1,267 @@ +// Copyright 2021 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/s2a_context/s2a_context.proto + +package s2a_context_go_proto + +import ( + common_go_proto "github.com/google/s2a-go/internal/proto/common_go_proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type S2AContext struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The application protocol negotiated for this connection, e.g., 'grpc'. + ApplicationProtocol string `protobuf:"bytes,1,opt,name=application_protocol,json=applicationProtocol,proto3" json:"application_protocol,omitempty"` + // The TLS version number that the S2A's handshaker module used to set up the + // session. + TlsVersion common_go_proto.TLSVersion `protobuf:"varint,2,opt,name=tls_version,json=tlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"tls_version,omitempty"` + // The TLS ciphersuite negotiated by the S2A's handshaker module. + Ciphersuite common_go_proto.Ciphersuite `protobuf:"varint,3,opt,name=ciphersuite,proto3,enum=s2a.proto.Ciphersuite" json:"ciphersuite,omitempty"` + // The authenticated identity of the peer. + PeerIdentity *common_go_proto.Identity `protobuf:"bytes,4,opt,name=peer_identity,json=peerIdentity,proto3" json:"peer_identity,omitempty"` + // The local identity used during session setup. This could be: + // - The local identity that the client specifies in ClientSessionStartReq. + // - One of the local identities that the server specifies in + // ServerSessionStartReq. + // - If neither client or server specifies local identities, the S2A picks the + // default one. In this case, this field will contain that identity. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,5,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The SHA256 hash of the peer certificate used in the handshake. + PeerCertFingerprint []byte `protobuf:"bytes,6,opt,name=peer_cert_fingerprint,json=peerCertFingerprint,proto3" json:"peer_cert_fingerprint,omitempty"` + // The SHA256 hash of the local certificate used in the handshake. + LocalCertFingerprint []byte `protobuf:"bytes,7,opt,name=local_cert_fingerprint,json=localCertFingerprint,proto3" json:"local_cert_fingerprint,omitempty"` + // Set to true if a cached session was reused to resume the handshake. + IsHandshakeResumed bool `protobuf:"varint,8,opt,name=is_handshake_resumed,json=isHandshakeResumed,proto3" json:"is_handshake_resumed,omitempty"` +} + +func (x *S2AContext) Reset() { + *x = S2AContext{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_context_s2a_context_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *S2AContext) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*S2AContext) ProtoMessage() {} + +func (x *S2AContext) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_context_s2a_context_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use S2AContext.ProtoReflect.Descriptor instead. +func (*S2AContext) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_context_s2a_context_proto_rawDescGZIP(), []int{0} +} + +func (x *S2AContext) GetApplicationProtocol() string { + if x != nil { + return x.ApplicationProtocol + } + return "" +} + +func (x *S2AContext) GetTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.TlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *S2AContext) GetCiphersuite() common_go_proto.Ciphersuite { + if x != nil { + return x.Ciphersuite + } + return common_go_proto.Ciphersuite(0) +} + +func (x *S2AContext) GetPeerIdentity() *common_go_proto.Identity { + if x != nil { + return x.PeerIdentity + } + return nil +} + +func (x *S2AContext) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *S2AContext) GetPeerCertFingerprint() []byte { + if x != nil { + return x.PeerCertFingerprint + } + return nil +} + +func (x *S2AContext) GetLocalCertFingerprint() []byte { + if x != nil { + return x.LocalCertFingerprint + } + return nil +} + +func (x *S2AContext) GetIsHandshakeResumed() bool { + if x != nil { + return x.IsHandshakeResumed + } + return false +} + +var File_internal_proto_s2a_context_s2a_context_proto protoreflect.FileDescriptor + +var 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file_internal_proto_s2a_context_s2a_context_proto_rawDesc +) + +func file_internal_proto_s2a_context_s2a_context_proto_rawDescGZIP() []byte { + file_internal_proto_s2a_context_s2a_context_proto_rawDescOnce.Do(func() { + file_internal_proto_s2a_context_s2a_context_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_proto_s2a_context_s2a_context_proto_rawDescData) + }) + return file_internal_proto_s2a_context_s2a_context_proto_rawDescData +} + +var file_internal_proto_s2a_context_s2a_context_proto_msgTypes = make([]protoimpl.MessageInfo, 1) +var file_internal_proto_s2a_context_s2a_context_proto_goTypes = []interface{}{ + (*S2AContext)(nil), // 0: s2a.proto.S2AContext + (common_go_proto.TLSVersion)(0), // 1: s2a.proto.TLSVersion + (common_go_proto.Ciphersuite)(0), // 2: s2a.proto.Ciphersuite + (*common_go_proto.Identity)(nil), // 3: s2a.proto.Identity +} +var file_internal_proto_s2a_context_s2a_context_proto_depIdxs = []int32{ + 1, // 0: s2a.proto.S2AContext.tls_version:type_name -> s2a.proto.TLSVersion + 2, // 1: s2a.proto.S2AContext.ciphersuite:type_name -> s2a.proto.Ciphersuite + 3, // 2: s2a.proto.S2AContext.peer_identity:type_name -> s2a.proto.Identity + 3, // 3: s2a.proto.S2AContext.local_identity:type_name -> s2a.proto.Identity + 4, // [4:4] is the sub-list for method output_type + 4, // [4:4] is the sub-list for method input_type + 4, // [4:4] is the sub-list for extension type_name + 4, // [4:4] is the sub-list for extension extendee + 0, // [0:4] is the sub-list for field type_name +} + +func init() { file_internal_proto_s2a_context_s2a_context_proto_init() } +func file_internal_proto_s2a_context_s2a_context_proto_init() { + if File_internal_proto_s2a_context_s2a_context_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_internal_proto_s2a_context_s2a_context_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*S2AContext); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_s2a_context_s2a_context_proto_rawDesc, + NumEnums: 0, + NumMessages: 1, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_internal_proto_s2a_context_s2a_context_proto_goTypes, + DependencyIndexes: file_internal_proto_s2a_context_s2a_context_proto_depIdxs, + MessageInfos: file_internal_proto_s2a_context_s2a_context_proto_msgTypes, + }.Build() + File_internal_proto_s2a_context_s2a_context_proto = out.File + file_internal_proto_s2a_context_s2a_context_proto_rawDesc = nil + file_internal_proto_s2a_context_s2a_context_proto_goTypes = nil + file_internal_proto_s2a_context_s2a_context_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a.pb.go b/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a.pb.go new file mode 100644 index 000000000..0a86ebee5 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a.pb.go @@ -0,0 +1,1377 @@ +// Copyright 2021 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/s2a/s2a.proto + +package s2a_go_proto + +import ( + common_go_proto "github.com/google/s2a-go/internal/proto/common_go_proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type AuthenticationMechanism struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // (Optional) Application may specify an identity associated to an + // authentication mechanism. Otherwise, S2A assumes that the authentication + // mechanism is associated with the default identity. If the default identity + // cannot be determined, session setup fails. + Identity *common_go_proto.Identity `protobuf:"bytes,1,opt,name=identity,proto3" json:"identity,omitempty"` + // Types that are assignable to MechanismOneof: + // + // *AuthenticationMechanism_Token + MechanismOneof isAuthenticationMechanism_MechanismOneof `protobuf_oneof:"mechanism_oneof"` +} + +func (x *AuthenticationMechanism) Reset() { + *x = AuthenticationMechanism{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *AuthenticationMechanism) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*AuthenticationMechanism) ProtoMessage() {} + +func (x *AuthenticationMechanism) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use AuthenticationMechanism.ProtoReflect.Descriptor instead. +func (*AuthenticationMechanism) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{0} +} + +func (x *AuthenticationMechanism) GetIdentity() *common_go_proto.Identity { + if x != nil { + return x.Identity + } + return nil +} + +func (m *AuthenticationMechanism) GetMechanismOneof() isAuthenticationMechanism_MechanismOneof { + if m != nil { + return m.MechanismOneof + } + return nil +} + +func (x *AuthenticationMechanism) GetToken() string { + if x, ok := x.GetMechanismOneof().(*AuthenticationMechanism_Token); ok { + return x.Token + } + return "" +} + +type isAuthenticationMechanism_MechanismOneof interface { + isAuthenticationMechanism_MechanismOneof() +} + +type AuthenticationMechanism_Token struct { + // A token that the application uses to authenticate itself to the S2A. + Token string `protobuf:"bytes,2,opt,name=token,proto3,oneof"` +} + +func (*AuthenticationMechanism_Token) isAuthenticationMechanism_MechanismOneof() {} + +type ClientSessionStartReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The application protocols supported by the client, e.g., "grpc". + ApplicationProtocols []string `protobuf:"bytes,1,rep,name=application_protocols,json=applicationProtocols,proto3" json:"application_protocols,omitempty"` + // (Optional) The minimum TLS version number that the S2A's handshaker module + // will use to set up the session. If this field is not provided, S2A will use + // the minimum version it supports. + MinTlsVersion common_go_proto.TLSVersion `protobuf:"varint,2,opt,name=min_tls_version,json=minTlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"min_tls_version,omitempty"` + // (Optional) The maximum TLS version number that the S2A's handshaker module + // will use to set up the session. If this field is not provided, S2A will use + // the maximum version it supports. + MaxTlsVersion common_go_proto.TLSVersion `protobuf:"varint,3,opt,name=max_tls_version,json=maxTlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"max_tls_version,omitempty"` + // The TLS ciphersuites that the client is willing to support. + TlsCiphersuites []common_go_proto.Ciphersuite `protobuf:"varint,4,rep,packed,name=tls_ciphersuites,json=tlsCiphersuites,proto3,enum=s2a.proto.Ciphersuite" json:"tls_ciphersuites,omitempty"` + // (Optional) Describes which server identities are acceptable by the client. + // If target identities are provided and none of them matches the peer + // identity of the server, session setup fails. + TargetIdentities []*common_go_proto.Identity `protobuf:"bytes,5,rep,name=target_identities,json=targetIdentities,proto3" json:"target_identities,omitempty"` + // (Optional) Application may specify a local identity. Otherwise, S2A chooses + // the default local identity. If the default identity cannot be determined, + // session setup fails. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,6,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The target name that is used by S2A to configure SNI in the TLS handshake. + // It is also used to perform server authorization check if avaiable. This + // check is intended to verify that the peer authenticated identity is + // authorized to run a service with the target name. + // This field MUST only contain the host portion of the server address. It + // MUST not contain the scheme or the port number. For example, if the server + // address is dns://www.example.com:443, the value of this field should be + // set to www.example.com. + TargetName string `protobuf:"bytes,7,opt,name=target_name,json=targetName,proto3" json:"target_name,omitempty"` +} + +func (x *ClientSessionStartReq) Reset() { + *x = ClientSessionStartReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ClientSessionStartReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ClientSessionStartReq) ProtoMessage() {} + +func (x *ClientSessionStartReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ClientSessionStartReq.ProtoReflect.Descriptor instead. +func (*ClientSessionStartReq) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{1} +} + +func (x *ClientSessionStartReq) GetApplicationProtocols() []string { + if x != nil { + return x.ApplicationProtocols + } + return nil +} + +func (x *ClientSessionStartReq) GetMinTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MinTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *ClientSessionStartReq) GetMaxTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MaxTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *ClientSessionStartReq) GetTlsCiphersuites() []common_go_proto.Ciphersuite { + if x != nil { + return x.TlsCiphersuites + } + return nil +} + +func (x *ClientSessionStartReq) GetTargetIdentities() []*common_go_proto.Identity { + if x != nil { + return x.TargetIdentities + } + return nil +} + +func (x *ClientSessionStartReq) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *ClientSessionStartReq) GetTargetName() string { + if x != nil { + return x.TargetName + } + return "" +} + +type ServerSessionStartReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The application protocols supported by the server, e.g., "grpc". + ApplicationProtocols []string `protobuf:"bytes,1,rep,name=application_protocols,json=applicationProtocols,proto3" json:"application_protocols,omitempty"` + // (Optional) The minimum TLS version number that the S2A's handshaker module + // will use to set up the session. If this field is not provided, S2A will use + // the minimum version it supports. + MinTlsVersion common_go_proto.TLSVersion `protobuf:"varint,2,opt,name=min_tls_version,json=minTlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"min_tls_version,omitempty"` + // (Optional) The maximum TLS version number that the S2A's handshaker module + // will use to set up the session. If this field is not provided, S2A will use + // the maximum version it supports. + MaxTlsVersion common_go_proto.TLSVersion `protobuf:"varint,3,opt,name=max_tls_version,json=maxTlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"max_tls_version,omitempty"` + // The TLS ciphersuites that the server is willing to support. + TlsCiphersuites []common_go_proto.Ciphersuite `protobuf:"varint,4,rep,packed,name=tls_ciphersuites,json=tlsCiphersuites,proto3,enum=s2a.proto.Ciphersuite" json:"tls_ciphersuites,omitempty"` + // (Optional) A list of local identities supported by the server, if + // specified. Otherwise, S2A chooses the default local identity. If the + // default identity cannot be determined, session setup fails. + LocalIdentities []*common_go_proto.Identity `protobuf:"bytes,5,rep,name=local_identities,json=localIdentities,proto3" json:"local_identities,omitempty"` + // The byte representation of the first handshake message received from the + // client peer. It is possible that this first message is split into multiple + // chunks. In this case, the first chunk is sent using this field and the + // following chunks are sent using the in_bytes field of SessionNextReq + // Specifically, if the client peer is using S2A, this field contains the + // bytes in the out_frames field of SessionResp message that the client peer + // received from its S2A after initiating the handshake. + InBytes []byte `protobuf:"bytes,6,opt,name=in_bytes,json=inBytes,proto3" json:"in_bytes,omitempty"` +} + +func (x *ServerSessionStartReq) Reset() { + *x = ServerSessionStartReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ServerSessionStartReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ServerSessionStartReq) ProtoMessage() {} + +func (x *ServerSessionStartReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[2] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ServerSessionStartReq.ProtoReflect.Descriptor instead. +func (*ServerSessionStartReq) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{2} +} + +func (x *ServerSessionStartReq) GetApplicationProtocols() []string { + if x != nil { + return x.ApplicationProtocols + } + return nil +} + +func (x *ServerSessionStartReq) GetMinTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MinTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *ServerSessionStartReq) GetMaxTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MaxTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *ServerSessionStartReq) GetTlsCiphersuites() []common_go_proto.Ciphersuite { + if x != nil { + return x.TlsCiphersuites + } + return nil +} + +func (x *ServerSessionStartReq) GetLocalIdentities() []*common_go_proto.Identity { + if x != nil { + return x.LocalIdentities + } + return nil +} + +func (x *ServerSessionStartReq) GetInBytes() []byte { + if x != nil { + return x.InBytes + } + return nil +} + +type SessionNextReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The byte representation of session setup, i.e., handshake messages. + // Specifically: + // - All handshake messages sent from the server to the client. + // - All, except for the first, handshake messages sent from the client to + // the server. Note that the first message is communicated to S2A using the + // in_bytes field of ServerSessionStartReq. + // + // If the peer is using S2A, this field contains the bytes in the out_frames + // field of SessionResp message that the peer received from its S2A. + InBytes []byte `protobuf:"bytes,1,opt,name=in_bytes,json=inBytes,proto3" json:"in_bytes,omitempty"` +} + +func (x *SessionNextReq) Reset() { + *x = SessionNextReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionNextReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionNextReq) ProtoMessage() {} + +func (x *SessionNextReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[3] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionNextReq.ProtoReflect.Descriptor instead. +func (*SessionNextReq) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{3} +} + +func (x *SessionNextReq) GetInBytes() []byte { + if x != nil { + return x.InBytes + } + return nil +} + +type ResumptionTicketReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The byte representation of a NewSessionTicket message received from the + // server. + InBytes [][]byte `protobuf:"bytes,1,rep,name=in_bytes,json=inBytes,proto3" json:"in_bytes,omitempty"` + // A connection identifier that was created and sent by S2A at the end of a + // handshake. + ConnectionId uint64 `protobuf:"varint,2,opt,name=connection_id,json=connectionId,proto3" json:"connection_id,omitempty"` + // The local identity that was used by S2A during session setup and included + // in |SessionResult|. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,3,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` +} + +func (x *ResumptionTicketReq) Reset() { + *x = ResumptionTicketReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[4] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ResumptionTicketReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ResumptionTicketReq) ProtoMessage() {} + +func (x *ResumptionTicketReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[4] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ResumptionTicketReq.ProtoReflect.Descriptor instead. +func (*ResumptionTicketReq) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{4} +} + +func (x *ResumptionTicketReq) GetInBytes() [][]byte { + if x != nil { + return x.InBytes + } + return nil +} + +func (x *ResumptionTicketReq) GetConnectionId() uint64 { + if x != nil { + return x.ConnectionId + } + return 0 +} + +func (x *ResumptionTicketReq) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +type SessionReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Types that are assignable to ReqOneof: + // + // *SessionReq_ClientStart + // *SessionReq_ServerStart + // *SessionReq_Next + // *SessionReq_ResumptionTicket + ReqOneof isSessionReq_ReqOneof `protobuf_oneof:"req_oneof"` + // (Optional) The authentication mechanisms that the client wishes to use to + // authenticate to the S2A, ordered by preference. The S2A will always use the + // first authentication mechanism that appears in the list and is supported by + // the S2A. + AuthMechanisms []*AuthenticationMechanism `protobuf:"bytes,5,rep,name=auth_mechanisms,json=authMechanisms,proto3" json:"auth_mechanisms,omitempty"` +} + +func (x *SessionReq) Reset() { + *x = SessionReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[5] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionReq) ProtoMessage() {} + +func (x *SessionReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[5] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionReq.ProtoReflect.Descriptor instead. +func (*SessionReq) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{5} +} + +func (m *SessionReq) GetReqOneof() isSessionReq_ReqOneof { + if m != nil { + return m.ReqOneof + } + return nil +} + +func (x *SessionReq) GetClientStart() *ClientSessionStartReq { + if x, ok := x.GetReqOneof().(*SessionReq_ClientStart); ok { + return x.ClientStart + } + return nil +} + +func (x *SessionReq) GetServerStart() *ServerSessionStartReq { + if x, ok := x.GetReqOneof().(*SessionReq_ServerStart); ok { + return x.ServerStart + } + return nil +} + +func (x *SessionReq) GetNext() *SessionNextReq { + if x, ok := x.GetReqOneof().(*SessionReq_Next); ok { + return x.Next + } + return nil +} + +func (x *SessionReq) GetResumptionTicket() *ResumptionTicketReq { + if x, ok := x.GetReqOneof().(*SessionReq_ResumptionTicket); ok { + return x.ResumptionTicket + } + return nil +} + +func (x *SessionReq) GetAuthMechanisms() []*AuthenticationMechanism { + if x != nil { + return x.AuthMechanisms + } + return nil +} + +type isSessionReq_ReqOneof interface { + isSessionReq_ReqOneof() +} + +type SessionReq_ClientStart struct { + // The client session setup request message. + ClientStart *ClientSessionStartReq `protobuf:"bytes,1,opt,name=client_start,json=clientStart,proto3,oneof"` +} + +type SessionReq_ServerStart struct { + // The server session setup request message. + ServerStart *ServerSessionStartReq `protobuf:"bytes,2,opt,name=server_start,json=serverStart,proto3,oneof"` +} + +type SessionReq_Next struct { + // The next session setup message request message. + Next *SessionNextReq `protobuf:"bytes,3,opt,name=next,proto3,oneof"` +} + +type SessionReq_ResumptionTicket struct { + // The resumption ticket that is received from the server. This message is + // only accepted by S2A if it is running as a client and if it is received + // after session setup is complete. If S2A is running as a server and it + // receives this message, the session is terminated. + ResumptionTicket *ResumptionTicketReq `protobuf:"bytes,4,opt,name=resumption_ticket,json=resumptionTicket,proto3,oneof"` +} + +func (*SessionReq_ClientStart) isSessionReq_ReqOneof() {} + +func (*SessionReq_ServerStart) isSessionReq_ReqOneof() {} + +func (*SessionReq_Next) isSessionReq_ReqOneof() {} + +func (*SessionReq_ResumptionTicket) isSessionReq_ReqOneof() {} + +type SessionState struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The TLS version number that the S2A's handshaker module used to set up the + // session. + TlsVersion common_go_proto.TLSVersion `protobuf:"varint,1,opt,name=tls_version,json=tlsVersion,proto3,enum=s2a.proto.TLSVersion" json:"tls_version,omitempty"` + // The TLS ciphersuite negotiated by the S2A's handshaker module. + TlsCiphersuite common_go_proto.Ciphersuite `protobuf:"varint,2,opt,name=tls_ciphersuite,json=tlsCiphersuite,proto3,enum=s2a.proto.Ciphersuite" json:"tls_ciphersuite,omitempty"` + // The sequence number of the next, incoming, TLS record. + InSequence uint64 `protobuf:"varint,3,opt,name=in_sequence,json=inSequence,proto3" json:"in_sequence,omitempty"` + // The sequence number of the next, outgoing, TLS record. + OutSequence uint64 `protobuf:"varint,4,opt,name=out_sequence,json=outSequence,proto3" json:"out_sequence,omitempty"` + // The key for the inbound direction. + InKey []byte `protobuf:"bytes,5,opt,name=in_key,json=inKey,proto3" json:"in_key,omitempty"` + // The key for the outbound direction. + OutKey []byte `protobuf:"bytes,6,opt,name=out_key,json=outKey,proto3" json:"out_key,omitempty"` + // The constant part of the record nonce for the outbound direction. + InFixedNonce []byte `protobuf:"bytes,7,opt,name=in_fixed_nonce,json=inFixedNonce,proto3" json:"in_fixed_nonce,omitempty"` + // The constant part of the record nonce for the inbound direction. + OutFixedNonce []byte `protobuf:"bytes,8,opt,name=out_fixed_nonce,json=outFixedNonce,proto3" json:"out_fixed_nonce,omitempty"` + // A connection identifier that can be provided to S2A to perform operations + // related to this connection. This identifier will be stored by the record + // protocol, and included in the |ResumptionTicketReq| message that is later + // sent back to S2A. This field is set only for client-side connections. + ConnectionId uint64 `protobuf:"varint,9,opt,name=connection_id,json=connectionId,proto3" json:"connection_id,omitempty"` + // Set to true if a cached session was reused to do an abbreviated handshake. + IsHandshakeResumed bool `protobuf:"varint,10,opt,name=is_handshake_resumed,json=isHandshakeResumed,proto3" json:"is_handshake_resumed,omitempty"` +} + +func (x *SessionState) Reset() { + *x = SessionState{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[6] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionState) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionState) ProtoMessage() {} + +func (x *SessionState) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[6] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionState.ProtoReflect.Descriptor instead. +func (*SessionState) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{6} +} + +func (x *SessionState) GetTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.TlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *SessionState) GetTlsCiphersuite() common_go_proto.Ciphersuite { + if x != nil { + return x.TlsCiphersuite + } + return common_go_proto.Ciphersuite(0) +} + +func (x *SessionState) GetInSequence() uint64 { + if x != nil { + return x.InSequence + } + return 0 +} + +func (x *SessionState) GetOutSequence() uint64 { + if x != nil { + return x.OutSequence + } + return 0 +} + +func (x *SessionState) GetInKey() []byte { + if x != nil { + return x.InKey + } + return nil +} + +func (x *SessionState) GetOutKey() []byte { + if x != nil { + return x.OutKey + } + return nil +} + +func (x *SessionState) GetInFixedNonce() []byte { + if x != nil { + return x.InFixedNonce + } + return nil +} + +func (x *SessionState) GetOutFixedNonce() []byte { + if x != nil { + return x.OutFixedNonce + } + return nil +} + +func (x *SessionState) GetConnectionId() uint64 { + if x != nil { + return x.ConnectionId + } + return 0 +} + +func (x *SessionState) GetIsHandshakeResumed() bool { + if x != nil { + return x.IsHandshakeResumed + } + return false +} + +type SessionResult struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The application protocol negotiated for this session. + ApplicationProtocol string `protobuf:"bytes,1,opt,name=application_protocol,json=applicationProtocol,proto3" json:"application_protocol,omitempty"` + // The session state at the end. This state contains all cryptographic + // material required to initialize the record protocol object. + State *SessionState `protobuf:"bytes,2,opt,name=state,proto3" json:"state,omitempty"` + // The authenticated identity of the peer. + PeerIdentity *common_go_proto.Identity `protobuf:"bytes,4,opt,name=peer_identity,json=peerIdentity,proto3" json:"peer_identity,omitempty"` + // The local identity used during session setup. This could be: + // - The local identity that the client specifies in ClientSessionStartReq. + // - One of the local identities that the server specifies in + // ServerSessionStartReq. + // - If neither client or server specifies local identities, the S2A picks the + // default one. In this case, this field will contain that identity. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,5,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The SHA256 hash of the local certificate used in the handshake. + LocalCertFingerprint []byte `protobuf:"bytes,6,opt,name=local_cert_fingerprint,json=localCertFingerprint,proto3" json:"local_cert_fingerprint,omitempty"` + // The SHA256 hash of the peer certificate used in the handshake. + PeerCertFingerprint []byte `protobuf:"bytes,7,opt,name=peer_cert_fingerprint,json=peerCertFingerprint,proto3" json:"peer_cert_fingerprint,omitempty"` +} + +func (x *SessionResult) Reset() { + *x = SessionResult{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[7] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionResult) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionResult) ProtoMessage() {} + +func (x *SessionResult) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[7] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionResult.ProtoReflect.Descriptor instead. +func (*SessionResult) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{7} +} + +func (x *SessionResult) GetApplicationProtocol() string { + if x != nil { + return x.ApplicationProtocol + } + return "" +} + +func (x *SessionResult) GetState() *SessionState { + if x != nil { + return x.State + } + return nil +} + +func (x *SessionResult) GetPeerIdentity() *common_go_proto.Identity { + if x != nil { + return x.PeerIdentity + } + return nil +} + +func (x *SessionResult) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *SessionResult) GetLocalCertFingerprint() []byte { + if x != nil { + return x.LocalCertFingerprint + } + return nil +} + +func (x *SessionResult) GetPeerCertFingerprint() []byte { + if x != nil { + return x.PeerCertFingerprint + } + return nil +} + +type SessionStatus struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The status code that is specific to the application and the implementation + // of S2A, e.g., gRPC status code. + Code uint32 `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"` + // The status details. + Details string `protobuf:"bytes,2,opt,name=details,proto3" json:"details,omitempty"` +} + +func (x *SessionStatus) Reset() { + *x = SessionStatus{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[8] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionStatus) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionStatus) ProtoMessage() {} + +func (x *SessionStatus) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[8] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionStatus.ProtoReflect.Descriptor instead. +func (*SessionStatus) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{8} +} + +func (x *SessionStatus) GetCode() uint32 { + if x != nil { + return x.Code + } + return 0 +} + +func (x *SessionStatus) GetDetails() string { + if x != nil { + return x.Details + } + return "" +} + +type SessionResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The local identity used during session setup. This could be: + // - The local identity that the client specifies in ClientSessionStartReq. + // - One of the local identities that the server specifies in + // ServerSessionStartReq. + // - If neither client or server specifies local identities, the S2A picks the + // default one. In this case, this field will contain that identity. + // + // If the SessionResult is populated, then this must coincide with the local + // identity specified in the SessionResult; otherwise, the handshake must + // fail. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,1,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The byte representation of the frames that should be sent to the peer. May + // be empty if nothing needs to be sent to the peer or if in_bytes in the + // SessionReq is incomplete. All bytes in a non-empty out_frames must be sent + // to the peer even if the session setup status is not OK as these frames may + // contain appropriate alerts. + OutFrames []byte `protobuf:"bytes,2,opt,name=out_frames,json=outFrames,proto3" json:"out_frames,omitempty"` + // Number of bytes in the in_bytes field that are consumed by S2A. It is + // possible that part of in_bytes is unrelated to the session setup process. + BytesConsumed uint32 `protobuf:"varint,3,opt,name=bytes_consumed,json=bytesConsumed,proto3" json:"bytes_consumed,omitempty"` + // This is set if the session is successfully set up. out_frames may + // still be set to frames that needs to be forwarded to the peer. + Result *SessionResult `protobuf:"bytes,4,opt,name=result,proto3" json:"result,omitempty"` + // Status of session setup at the current stage. + Status *SessionStatus `protobuf:"bytes,5,opt,name=status,proto3" json:"status,omitempty"` +} + +func (x *SessionResp) Reset() { + *x = SessionResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[9] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionResp) ProtoMessage() {} + +func (x *SessionResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_s2a_s2a_proto_msgTypes[9] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionResp.ProtoReflect.Descriptor instead. +func (*SessionResp) Descriptor() ([]byte, []int) { + return file_internal_proto_s2a_s2a_proto_rawDescGZIP(), []int{9} +} + +func (x *SessionResp) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *SessionResp) GetOutFrames() []byte { + if x != nil { + return x.OutFrames + } + return nil +} + +func (x *SessionResp) GetBytesConsumed() uint32 { + if x != nil { + return x.BytesConsumed + } + return 0 +} + +func (x *SessionResp) GetResult() *SessionResult { + if x != nil { + return x.Result + } + return nil +} + +func (x *SessionResp) GetStatus() *SessionStatus { + if x != nil { + return x.Status + } + return nil +} + +var File_internal_proto_s2a_s2a_proto protoreflect.FileDescriptor + +var file_internal_proto_s2a_s2a_proto_rawDesc = []byte{ + 0x0a, 0x1c, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, + 0x2f, 0x73, 0x32, 0x61, 0x2f, 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09, + 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x22, 0x69, 0x6e, 0x74, 0x65, 0x72, + 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, + 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x75, 0x0a, + 0x17, 0x41, 0x75, 0x74, 0x68, 0x65, 0x6e, 0x74, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4d, + 0x65, 0x63, 0x68, 0x61, 0x6e, 0x69, 0x73, 0x6d, 0x12, 0x2f, 0x0a, 0x08, 0x69, 0x64, 0x65, 0x6e, + 0x74, 0x69, 0x74, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x13, 0x2e, 0x73, 0x32, 0x61, + 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 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s2a.proto.ServerSessionStartReq + (*SessionNextReq)(nil), // 3: s2a.proto.SessionNextReq + (*ResumptionTicketReq)(nil), // 4: s2a.proto.ResumptionTicketReq + (*SessionReq)(nil), // 5: s2a.proto.SessionReq + (*SessionState)(nil), // 6: s2a.proto.SessionState + (*SessionResult)(nil), // 7: s2a.proto.SessionResult + (*SessionStatus)(nil), // 8: s2a.proto.SessionStatus + (*SessionResp)(nil), // 9: s2a.proto.SessionResp + (*common_go_proto.Identity)(nil), // 10: s2a.proto.Identity + (common_go_proto.TLSVersion)(0), // 11: s2a.proto.TLSVersion + (common_go_proto.Ciphersuite)(0), // 12: s2a.proto.Ciphersuite +} +var file_internal_proto_s2a_s2a_proto_depIdxs = []int32{ + 10, // 0: s2a.proto.AuthenticationMechanism.identity:type_name -> s2a.proto.Identity + 11, // 1: s2a.proto.ClientSessionStartReq.min_tls_version:type_name -> s2a.proto.TLSVersion + 11, // 2: s2a.proto.ClientSessionStartReq.max_tls_version:type_name -> s2a.proto.TLSVersion + 12, // 3: s2a.proto.ClientSessionStartReq.tls_ciphersuites:type_name -> s2a.proto.Ciphersuite + 10, // 4: s2a.proto.ClientSessionStartReq.target_identities:type_name -> s2a.proto.Identity + 10, // 5: s2a.proto.ClientSessionStartReq.local_identity:type_name -> s2a.proto.Identity + 11, // 6: s2a.proto.ServerSessionStartReq.min_tls_version:type_name -> s2a.proto.TLSVersion + 11, // 7: s2a.proto.ServerSessionStartReq.max_tls_version:type_name -> s2a.proto.TLSVersion + 12, // 8: s2a.proto.ServerSessionStartReq.tls_ciphersuites:type_name -> s2a.proto.Ciphersuite + 10, // 9: s2a.proto.ServerSessionStartReq.local_identities:type_name -> s2a.proto.Identity + 10, // 10: s2a.proto.ResumptionTicketReq.local_identity:type_name -> s2a.proto.Identity + 1, // 11: s2a.proto.SessionReq.client_start:type_name -> s2a.proto.ClientSessionStartReq + 2, // 12: s2a.proto.SessionReq.server_start:type_name -> s2a.proto.ServerSessionStartReq + 3, // 13: s2a.proto.SessionReq.next:type_name -> s2a.proto.SessionNextReq + 4, // 14: s2a.proto.SessionReq.resumption_ticket:type_name -> s2a.proto.ResumptionTicketReq + 0, // 15: s2a.proto.SessionReq.auth_mechanisms:type_name -> s2a.proto.AuthenticationMechanism + 11, // 16: s2a.proto.SessionState.tls_version:type_name -> s2a.proto.TLSVersion + 12, // 17: s2a.proto.SessionState.tls_ciphersuite:type_name -> s2a.proto.Ciphersuite + 6, // 18: s2a.proto.SessionResult.state:type_name -> s2a.proto.SessionState + 10, // 19: s2a.proto.SessionResult.peer_identity:type_name -> s2a.proto.Identity + 10, // 20: s2a.proto.SessionResult.local_identity:type_name -> s2a.proto.Identity + 10, // 21: s2a.proto.SessionResp.local_identity:type_name -> s2a.proto.Identity + 7, // 22: s2a.proto.SessionResp.result:type_name -> s2a.proto.SessionResult + 8, // 23: s2a.proto.SessionResp.status:type_name -> s2a.proto.SessionStatus + 5, // 24: s2a.proto.S2AService.SetUpSession:input_type -> s2a.proto.SessionReq + 9, // 25: s2a.proto.S2AService.SetUpSession:output_type -> s2a.proto.SessionResp + 25, // [25:26] is the sub-list for method output_type + 24, // [24:25] is the sub-list for method input_type + 24, // [24:24] is the sub-list for extension type_name + 24, // [24:24] is the sub-list for extension extendee + 0, // [0:24] is the sub-list for field type_name +} + +func init() { file_internal_proto_s2a_s2a_proto_init() } +func file_internal_proto_s2a_s2a_proto_init() { + if File_internal_proto_s2a_s2a_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_internal_proto_s2a_s2a_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*AuthenticationMechanism); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ClientSessionStartReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ServerSessionStartReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionNextReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ResumptionTicketReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionState); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionResult); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionStatus); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + file_internal_proto_s2a_s2a_proto_msgTypes[0].OneofWrappers = []interface{}{ + (*AuthenticationMechanism_Token)(nil), + } + file_internal_proto_s2a_s2a_proto_msgTypes[5].OneofWrappers = []interface{}{ + (*SessionReq_ClientStart)(nil), + (*SessionReq_ServerStart)(nil), + (*SessionReq_Next)(nil), + (*SessionReq_ResumptionTicket)(nil), + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_s2a_s2a_proto_rawDesc, + NumEnums: 0, + NumMessages: 10, + NumExtensions: 0, + NumServices: 1, + }, + GoTypes: file_internal_proto_s2a_s2a_proto_goTypes, + DependencyIndexes: file_internal_proto_s2a_s2a_proto_depIdxs, + MessageInfos: file_internal_proto_s2a_s2a_proto_msgTypes, + }.Build() + File_internal_proto_s2a_s2a_proto = out.File + file_internal_proto_s2a_s2a_proto_rawDesc = nil + file_internal_proto_s2a_s2a_proto_goTypes = nil + file_internal_proto_s2a_s2a_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a_grpc.pb.go b/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a_grpc.pb.go new file mode 100644 index 000000000..0fa582fc8 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/s2a_go_proto/s2a_grpc.pb.go @@ -0,0 +1,173 @@ +// Copyright 2021 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go-grpc. DO NOT EDIT. +// versions: +// - protoc-gen-go-grpc v1.3.0 +// - protoc v3.21.12 +// source: internal/proto/s2a/s2a.proto + +package s2a_go_proto + +import ( + context "context" + grpc "google.golang.org/grpc" + codes "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" +) + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the grpc package it is being compiled against. +// Requires gRPC-Go v1.32.0 or later. +const _ = grpc.SupportPackageIsVersion7 + +const ( + S2AService_SetUpSession_FullMethodName = "/s2a.proto.S2AService/SetUpSession" +) + +// S2AServiceClient is the client API for S2AService service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream. +type S2AServiceClient interface { + // S2A service accepts a stream of session setup requests and returns a stream + // of session setup responses. The client of this service is expected to send + // exactly one client_start or server_start message followed by at least one + // next message. Applications running TLS clients can send requests with + // resumption_ticket messages only after the session is successfully set up. + // + // Every time S2A client sends a request, this service sends a response. + // However, clients do not have to wait for service response before sending + // the next request. + SetUpSession(ctx context.Context, opts ...grpc.CallOption) (S2AService_SetUpSessionClient, error) +} + +type s2AServiceClient struct { + cc grpc.ClientConnInterface +} + +func NewS2AServiceClient(cc grpc.ClientConnInterface) S2AServiceClient { + return &s2AServiceClient{cc} +} + +func (c *s2AServiceClient) SetUpSession(ctx context.Context, opts ...grpc.CallOption) (S2AService_SetUpSessionClient, error) { + stream, err := c.cc.NewStream(ctx, &S2AService_ServiceDesc.Streams[0], S2AService_SetUpSession_FullMethodName, opts...) + if err != nil { + return nil, err + } + x := &s2AServiceSetUpSessionClient{stream} + return x, nil +} + +type S2AService_SetUpSessionClient interface { + Send(*SessionReq) error + Recv() (*SessionResp, error) + grpc.ClientStream +} + +type s2AServiceSetUpSessionClient struct { + grpc.ClientStream +} + +func (x *s2AServiceSetUpSessionClient) Send(m *SessionReq) error { + return x.ClientStream.SendMsg(m) +} + +func (x *s2AServiceSetUpSessionClient) Recv() (*SessionResp, error) { + m := new(SessionResp) + if err := x.ClientStream.RecvMsg(m); err != nil { + return nil, err + } + return m, nil +} + +// S2AServiceServer is the server API for S2AService service. +// All implementations must embed UnimplementedS2AServiceServer +// for forward compatibility +type S2AServiceServer interface { + // S2A service accepts a stream of session setup requests and returns a stream + // of session setup responses. The client of this service is expected to send + // exactly one client_start or server_start message followed by at least one + // next message. Applications running TLS clients can send requests with + // resumption_ticket messages only after the session is successfully set up. + // + // Every time S2A client sends a request, this service sends a response. + // However, clients do not have to wait for service response before sending + // the next request. + SetUpSession(S2AService_SetUpSessionServer) error + mustEmbedUnimplementedS2AServiceServer() +} + +// UnimplementedS2AServiceServer must be embedded to have forward compatible implementations. +type UnimplementedS2AServiceServer struct { +} + +func (UnimplementedS2AServiceServer) SetUpSession(S2AService_SetUpSessionServer) error { + return status.Errorf(codes.Unimplemented, "method SetUpSession not implemented") +} +func (UnimplementedS2AServiceServer) mustEmbedUnimplementedS2AServiceServer() {} + +// UnsafeS2AServiceServer may be embedded to opt out of forward compatibility for this service. +// Use of this interface is not recommended, as added methods to S2AServiceServer will +// result in compilation errors. +type UnsafeS2AServiceServer interface { + mustEmbedUnimplementedS2AServiceServer() +} + +func RegisterS2AServiceServer(s grpc.ServiceRegistrar, srv S2AServiceServer) { + s.RegisterService(&S2AService_ServiceDesc, srv) +} + +func _S2AService_SetUpSession_Handler(srv interface{}, stream grpc.ServerStream) error { + return srv.(S2AServiceServer).SetUpSession(&s2AServiceSetUpSessionServer{stream}) +} + +type S2AService_SetUpSessionServer interface { + Send(*SessionResp) error + Recv() (*SessionReq, error) + grpc.ServerStream +} + +type s2AServiceSetUpSessionServer struct { + grpc.ServerStream +} + +func (x *s2AServiceSetUpSessionServer) Send(m *SessionResp) error { + return x.ServerStream.SendMsg(m) +} + +func (x *s2AServiceSetUpSessionServer) Recv() (*SessionReq, error) { + m := new(SessionReq) + if err := x.ServerStream.RecvMsg(m); err != nil { + return nil, err + } + return m, nil +} + +// S2AService_ServiceDesc is the grpc.ServiceDesc for S2AService service. +// It's only intended for direct use with grpc.RegisterService, +// and not to be introspected or modified (even as a copy) +var S2AService_ServiceDesc = grpc.ServiceDesc{ + ServiceName: "s2a.proto.S2AService", + HandlerType: (*S2AServiceServer)(nil), + Methods: []grpc.MethodDesc{}, + Streams: []grpc.StreamDesc{ + { + StreamName: "SetUpSession", + Handler: _S2AService_SetUpSession_Handler, + ServerStreams: true, + ClientStreams: true, + }, + }, + Metadata: "internal/proto/s2a/s2a.proto", +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/v2/common_go_proto/common.pb.go b/vendor/github.com/google/s2a-go/internal/proto/v2/common_go_proto/common.pb.go new file mode 100644 index 000000000..c84bed977 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/v2/common_go_proto/common.pb.go @@ -0,0 +1,367 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/v2/common/common.proto + +package common_go_proto + +import ( + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +// The TLS 1.0-1.2 ciphersuites that the application can negotiate when using +// S2A. +type Ciphersuite int32 + +const ( + Ciphersuite_CIPHERSUITE_UNSPECIFIED Ciphersuite = 0 + Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 Ciphersuite = 1 + Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 Ciphersuite = 2 + Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 Ciphersuite = 3 + Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Ciphersuite = 4 + Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Ciphersuite = 5 + Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 Ciphersuite = 6 +) + +// Enum value maps for Ciphersuite. +var ( + Ciphersuite_name = map[int32]string{ + 0: "CIPHERSUITE_UNSPECIFIED", + 1: "CIPHERSUITE_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", + 2: "CIPHERSUITE_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", + 3: "CIPHERSUITE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256", + 4: "CIPHERSUITE_ECDHE_RSA_WITH_AES_128_GCM_SHA256", + 5: "CIPHERSUITE_ECDHE_RSA_WITH_AES_256_GCM_SHA384", + 6: "CIPHERSUITE_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256", + } + Ciphersuite_value = map[string]int32{ + "CIPHERSUITE_UNSPECIFIED": 0, + "CIPHERSUITE_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": 1, + "CIPHERSUITE_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384": 2, + "CIPHERSUITE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256": 3, + "CIPHERSUITE_ECDHE_RSA_WITH_AES_128_GCM_SHA256": 4, + "CIPHERSUITE_ECDHE_RSA_WITH_AES_256_GCM_SHA384": 5, + "CIPHERSUITE_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256": 6, + } +) + +func (x Ciphersuite) Enum() *Ciphersuite { + p := new(Ciphersuite) + *p = x + return p +} + +func (x Ciphersuite) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (Ciphersuite) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_common_common_proto_enumTypes[0].Descriptor() +} + +func (Ciphersuite) Type() protoreflect.EnumType { + return &file_internal_proto_v2_common_common_proto_enumTypes[0] +} + +func (x Ciphersuite) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use Ciphersuite.Descriptor instead. +func (Ciphersuite) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_common_common_proto_rawDescGZIP(), []int{0} +} + +// The TLS versions supported by S2A's handshaker module. +type TLSVersion int32 + +const ( + TLSVersion_TLS_VERSION_UNSPECIFIED TLSVersion = 0 + TLSVersion_TLS_VERSION_1_0 TLSVersion = 1 + TLSVersion_TLS_VERSION_1_1 TLSVersion = 2 + TLSVersion_TLS_VERSION_1_2 TLSVersion = 3 + TLSVersion_TLS_VERSION_1_3 TLSVersion = 4 +) + +// Enum value maps for TLSVersion. +var ( + TLSVersion_name = map[int32]string{ + 0: "TLS_VERSION_UNSPECIFIED", + 1: "TLS_VERSION_1_0", + 2: "TLS_VERSION_1_1", + 3: "TLS_VERSION_1_2", + 4: "TLS_VERSION_1_3", + } + TLSVersion_value = map[string]int32{ + "TLS_VERSION_UNSPECIFIED": 0, + "TLS_VERSION_1_0": 1, + "TLS_VERSION_1_1": 2, + "TLS_VERSION_1_2": 3, + "TLS_VERSION_1_3": 4, + } +) + +func (x TLSVersion) Enum() *TLSVersion { + p := new(TLSVersion) + *p = x + return p +} + +func (x TLSVersion) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (TLSVersion) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_common_common_proto_enumTypes[1].Descriptor() +} + +func (TLSVersion) Type() protoreflect.EnumType { + return &file_internal_proto_v2_common_common_proto_enumTypes[1] +} + +func (x TLSVersion) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use TLSVersion.Descriptor instead. +func (TLSVersion) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_common_common_proto_rawDescGZIP(), []int{1} +} + +// The side in the TLS connection. +type ConnectionSide int32 + +const ( + ConnectionSide_CONNECTION_SIDE_UNSPECIFIED ConnectionSide = 0 + ConnectionSide_CONNECTION_SIDE_CLIENT ConnectionSide = 1 + ConnectionSide_CONNECTION_SIDE_SERVER ConnectionSide = 2 +) + +// Enum value maps for ConnectionSide. +var ( + ConnectionSide_name = map[int32]string{ + 0: "CONNECTION_SIDE_UNSPECIFIED", + 1: "CONNECTION_SIDE_CLIENT", + 2: "CONNECTION_SIDE_SERVER", + } + ConnectionSide_value = map[string]int32{ + "CONNECTION_SIDE_UNSPECIFIED": 0, + "CONNECTION_SIDE_CLIENT": 1, + "CONNECTION_SIDE_SERVER": 2, + } +) + +func (x ConnectionSide) Enum() *ConnectionSide { + p := new(ConnectionSide) + *p = x + return p +} + +func (x ConnectionSide) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (ConnectionSide) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_common_common_proto_enumTypes[2].Descriptor() +} + +func (ConnectionSide) Type() protoreflect.EnumType { + return &file_internal_proto_v2_common_common_proto_enumTypes[2] +} + +func (x ConnectionSide) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use ConnectionSide.Descriptor instead. +func (ConnectionSide) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_common_common_proto_rawDescGZIP(), []int{2} +} + +// The ALPN protocols that the application can negotiate during a TLS handshake. +type AlpnProtocol int32 + +const ( + AlpnProtocol_ALPN_PROTOCOL_UNSPECIFIED AlpnProtocol = 0 + AlpnProtocol_ALPN_PROTOCOL_GRPC AlpnProtocol = 1 + AlpnProtocol_ALPN_PROTOCOL_HTTP2 AlpnProtocol = 2 + AlpnProtocol_ALPN_PROTOCOL_HTTP1_1 AlpnProtocol = 3 +) + +// Enum value maps for AlpnProtocol. +var ( + AlpnProtocol_name = map[int32]string{ + 0: "ALPN_PROTOCOL_UNSPECIFIED", + 1: "ALPN_PROTOCOL_GRPC", + 2: "ALPN_PROTOCOL_HTTP2", + 3: "ALPN_PROTOCOL_HTTP1_1", + } + AlpnProtocol_value = map[string]int32{ + "ALPN_PROTOCOL_UNSPECIFIED": 0, + "ALPN_PROTOCOL_GRPC": 1, + "ALPN_PROTOCOL_HTTP2": 2, + "ALPN_PROTOCOL_HTTP1_1": 3, + } +) + +func (x AlpnProtocol) Enum() *AlpnProtocol { + p := new(AlpnProtocol) + *p = x + return p +} + +func (x AlpnProtocol) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (AlpnProtocol) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_common_common_proto_enumTypes[3].Descriptor() +} + +func (AlpnProtocol) Type() protoreflect.EnumType { + return &file_internal_proto_v2_common_common_proto_enumTypes[3] +} + +func 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file_internal_proto_v2_common_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_proto_v2_common_common_proto_rawDescData) + }) + return file_internal_proto_v2_common_common_proto_rawDescData +} + +var file_internal_proto_v2_common_common_proto_enumTypes = make([]protoimpl.EnumInfo, 4) +var file_internal_proto_v2_common_common_proto_goTypes = []interface{}{ + (Ciphersuite)(0), // 0: s2a.proto.v2.Ciphersuite + (TLSVersion)(0), // 1: s2a.proto.v2.TLSVersion + (ConnectionSide)(0), // 2: s2a.proto.v2.ConnectionSide + (AlpnProtocol)(0), // 3: s2a.proto.v2.AlpnProtocol +} +var file_internal_proto_v2_common_common_proto_depIdxs = []int32{ + 0, // [0:0] is the sub-list for method output_type + 0, // [0:0] is the sub-list for method input_type + 0, // [0:0] is the sub-list for extension type_name + 0, // [0:0] is the sub-list for extension extendee + 0, // [0:0] is the sub-list for field type_name +} + +func init() { file_internal_proto_v2_common_common_proto_init() } +func file_internal_proto_v2_common_common_proto_init() { + if File_internal_proto_v2_common_common_proto != nil { + return + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_v2_common_common_proto_rawDesc, + NumEnums: 4, + NumMessages: 0, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_internal_proto_v2_common_common_proto_goTypes, + DependencyIndexes: file_internal_proto_v2_common_common_proto_depIdxs, + EnumInfos: file_internal_proto_v2_common_common_proto_enumTypes, + }.Build() + File_internal_proto_v2_common_common_proto = out.File + file_internal_proto_v2_common_common_proto_rawDesc = nil + file_internal_proto_v2_common_common_proto_goTypes = nil + file_internal_proto_v2_common_common_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_context_go_proto/s2a_context.pb.go b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_context_go_proto/s2a_context.pb.go new file mode 100644 index 000000000..b7fd871c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_context_go_proto/s2a_context.pb.go @@ -0,0 +1,248 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/v2/s2a_context/s2a_context.proto + +package s2a_context_go_proto + +import ( + common_go_proto "github.com/google/s2a-go/internal/proto/common_go_proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type S2AContext struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The SPIFFE ID from the peer leaf certificate, if present. + // + // This field is only populated if the leaf certificate is a valid SPIFFE + // SVID; in particular, there is a unique URI SAN and this URI SAN is a valid + // SPIFFE ID. + LeafCertSpiffeId string `protobuf:"bytes,1,opt,name=leaf_cert_spiffe_id,json=leafCertSpiffeId,proto3" json:"leaf_cert_spiffe_id,omitempty"` + // The URIs that are present in the SubjectAltName extension of the peer leaf + // certificate. + // + // Note that the extracted URIs are not validated and may not be properly + // formatted. + LeafCertUris []string `protobuf:"bytes,2,rep,name=leaf_cert_uris,json=leafCertUris,proto3" json:"leaf_cert_uris,omitempty"` + // The DNSNames that are present in the SubjectAltName extension of the peer + // leaf certificate. + LeafCertDnsnames []string `protobuf:"bytes,3,rep,name=leaf_cert_dnsnames,json=leafCertDnsnames,proto3" json:"leaf_cert_dnsnames,omitempty"` + // The (ordered) list of fingerprints in the certificate chain used to verify + // the given leaf certificate. The order MUST be from leaf certificate + // fingerprint to root certificate fingerprint. + // + // A fingerprint is the base-64 encoding of the SHA256 hash of the + // DER-encoding of a certificate. The list MAY be populated even if the peer + // certificate chain was NOT validated successfully. + PeerCertificateChainFingerprints []string `protobuf:"bytes,4,rep,name=peer_certificate_chain_fingerprints,json=peerCertificateChainFingerprints,proto3" json:"peer_certificate_chain_fingerprints,omitempty"` + // The local identity used during session setup. + LocalIdentity *common_go_proto.Identity `protobuf:"bytes,5,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The SHA256 hash of the DER-encoding of the local leaf certificate used in + // the handshake. + LocalLeafCertFingerprint []byte `protobuf:"bytes,6,opt,name=local_leaf_cert_fingerprint,json=localLeafCertFingerprint,proto3" json:"local_leaf_cert_fingerprint,omitempty"` +} + +func (x *S2AContext) Reset() { + *x = S2AContext{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_context_s2a_context_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *S2AContext) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*S2AContext) ProtoMessage() {} + +func (x *S2AContext) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_context_s2a_context_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use S2AContext.ProtoReflect.Descriptor instead. +func (*S2AContext) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescGZIP(), []int{0} +} + +func (x *S2AContext) GetLeafCertSpiffeId() string { + if x != nil { + return x.LeafCertSpiffeId + } + return "" +} + +func (x *S2AContext) GetLeafCertUris() []string { + if x != nil { + return x.LeafCertUris + } + return nil +} + +func (x *S2AContext) GetLeafCertDnsnames() []string { + if x != nil { + return x.LeafCertDnsnames + } + return nil +} + +func (x *S2AContext) GetPeerCertificateChainFingerprints() []string { + if x != nil { + return x.PeerCertificateChainFingerprints + } + return nil +} + +func (x *S2AContext) GetLocalIdentity() *common_go_proto.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *S2AContext) GetLocalLeafCertFingerprint() []byte { + if x != nil { + return x.LocalLeafCertFingerprint + } + return nil +} + +var File_internal_proto_v2_s2a_context_s2a_context_proto protoreflect.FileDescriptor + +var file_internal_proto_v2_s2a_context_s2a_context_proto_rawDesc = []byte{ + 0x0a, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, + 0x2f, 0x76, 0x32, 0x2f, 0x73, 0x32, 0x61, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x2f, + 0x73, 0x32, 0x61, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, + 0x6f, 0x12, 0x0c, 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 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file_internal_proto_v2_s2a_context_s2a_context_proto_rawDesc +) + +func file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescGZIP() []byte { + file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescOnce.Do(func() { + file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescData) + }) + return file_internal_proto_v2_s2a_context_s2a_context_proto_rawDescData +} + +var file_internal_proto_v2_s2a_context_s2a_context_proto_msgTypes = make([]protoimpl.MessageInfo, 1) +var file_internal_proto_v2_s2a_context_s2a_context_proto_goTypes = []interface{}{ + (*S2AContext)(nil), // 0: s2a.proto.v2.S2AContext + (*common_go_proto.Identity)(nil), // 1: s2a.proto.Identity +} +var file_internal_proto_v2_s2a_context_s2a_context_proto_depIdxs = []int32{ + 1, // 0: s2a.proto.v2.S2AContext.local_identity:type_name -> s2a.proto.Identity + 1, // [1:1] is the sub-list for method output_type + 1, // [1:1] is the sub-list for method input_type + 1, // [1:1] is the sub-list for extension type_name + 1, // [1:1] is the sub-list for extension extendee + 0, // [0:1] is the sub-list for field type_name +} + +func init() { file_internal_proto_v2_s2a_context_s2a_context_proto_init() } +func file_internal_proto_v2_s2a_context_s2a_context_proto_init() { + if File_internal_proto_v2_s2a_context_s2a_context_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_internal_proto_v2_s2a_context_s2a_context_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*S2AContext); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_v2_s2a_context_s2a_context_proto_rawDesc, + NumEnums: 0, + NumMessages: 1, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_internal_proto_v2_s2a_context_s2a_context_proto_goTypes, + DependencyIndexes: file_internal_proto_v2_s2a_context_s2a_context_proto_depIdxs, + MessageInfos: file_internal_proto_v2_s2a_context_s2a_context_proto_msgTypes, + }.Build() + File_internal_proto_v2_s2a_context_s2a_context_proto = out.File + file_internal_proto_v2_s2a_context_s2a_context_proto_rawDesc = nil + file_internal_proto_v2_s2a_context_s2a_context_proto_goTypes = nil + file_internal_proto_v2_s2a_context_s2a_context_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a.pb.go b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a.pb.go new file mode 100644 index 000000000..e843450c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a.pb.go @@ -0,0 +1,2494 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.30.0 +// protoc v3.21.12 +// source: internal/proto/v2/s2a/s2a.proto + +package s2a_go_proto + +import ( + common_go_proto1 "github.com/google/s2a-go/internal/proto/common_go_proto" + common_go_proto "github.com/google/s2a-go/internal/proto/v2/common_go_proto" + s2a_context_go_proto "github.com/google/s2a-go/internal/proto/v2/s2a_context_go_proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type SignatureAlgorithm int32 + +const ( + SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED SignatureAlgorithm = 0 + // RSA Public-Key Cryptography Standards #1. + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA256 SignatureAlgorithm = 1 + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA384 SignatureAlgorithm = 2 + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA512 SignatureAlgorithm = 3 + // ECDSA. + SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP256R1_SHA256 SignatureAlgorithm = 4 + SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP384R1_SHA384 SignatureAlgorithm = 5 + SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP521R1_SHA512 SignatureAlgorithm = 6 + // RSA Probabilistic Signature Scheme. + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA256 SignatureAlgorithm = 7 + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA384 SignatureAlgorithm = 8 + SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA512 SignatureAlgorithm = 9 + // ED25519. + SignatureAlgorithm_S2A_SSL_SIGN_ED25519 SignatureAlgorithm = 10 +) + +// Enum value maps for SignatureAlgorithm. +var ( + SignatureAlgorithm_name = map[int32]string{ + 0: "S2A_SSL_SIGN_UNSPECIFIED", + 1: "S2A_SSL_SIGN_RSA_PKCS1_SHA256", + 2: "S2A_SSL_SIGN_RSA_PKCS1_SHA384", + 3: "S2A_SSL_SIGN_RSA_PKCS1_SHA512", + 4: "S2A_SSL_SIGN_ECDSA_SECP256R1_SHA256", + 5: "S2A_SSL_SIGN_ECDSA_SECP384R1_SHA384", + 6: "S2A_SSL_SIGN_ECDSA_SECP521R1_SHA512", + 7: "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA256", + 8: "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA384", + 9: "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA512", + 10: "S2A_SSL_SIGN_ED25519", + } + SignatureAlgorithm_value = map[string]int32{ + "S2A_SSL_SIGN_UNSPECIFIED": 0, + "S2A_SSL_SIGN_RSA_PKCS1_SHA256": 1, + "S2A_SSL_SIGN_RSA_PKCS1_SHA384": 2, + "S2A_SSL_SIGN_RSA_PKCS1_SHA512": 3, + "S2A_SSL_SIGN_ECDSA_SECP256R1_SHA256": 4, + "S2A_SSL_SIGN_ECDSA_SECP384R1_SHA384": 5, + "S2A_SSL_SIGN_ECDSA_SECP521R1_SHA512": 6, + "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA256": 7, + "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA384": 8, + "S2A_SSL_SIGN_RSA_PSS_RSAE_SHA512": 9, + "S2A_SSL_SIGN_ED25519": 10, + } +) + +func (x SignatureAlgorithm) Enum() *SignatureAlgorithm { + p := new(SignatureAlgorithm) + *p = x + return p +} + +func (x SignatureAlgorithm) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (SignatureAlgorithm) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[0].Descriptor() +} + +func (SignatureAlgorithm) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[0] +} + +func (x SignatureAlgorithm) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use SignatureAlgorithm.Descriptor instead. +func (SignatureAlgorithm) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{0} +} + +type GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate int32 + +const ( + GetTlsConfigurationResp_ServerTlsConfiguration_UNSPECIFIED GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 0 + GetTlsConfigurationResp_ServerTlsConfiguration_DONT_REQUEST_CLIENT_CERTIFICATE GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 1 + GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 2 + GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 3 + GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 4 + GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate = 5 +) + +// Enum value maps for GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate. +var ( + GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate_name = map[int32]string{ + 0: "UNSPECIFIED", + 1: "DONT_REQUEST_CLIENT_CERTIFICATE", + 2: "REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY", + 3: "REQUEST_CLIENT_CERTIFICATE_AND_VERIFY", + 4: "REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY", + 5: "REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY", + } + GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate_value = map[string]int32{ + "UNSPECIFIED": 0, + "DONT_REQUEST_CLIENT_CERTIFICATE": 1, + "REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY": 2, + "REQUEST_CLIENT_CERTIFICATE_AND_VERIFY": 3, + "REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY": 4, + "REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY": 5, + } +) + +func (x GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) Enum() *GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate { + p := new(GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) + *p = x + return p +} + +func (x GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[1].Descriptor() +} + +func (GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[1] +} + +func (x GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate.Descriptor instead. +func (GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{4, 1, 0} +} + +type OffloadPrivateKeyOperationReq_PrivateKeyOperation int32 + +const ( + OffloadPrivateKeyOperationReq_UNSPECIFIED OffloadPrivateKeyOperationReq_PrivateKeyOperation = 0 + // When performing a TLS 1.2 or 1.3 handshake, the (partial) transcript of + // the TLS handshake must be signed to prove possession of the private key. + // + // See https://www.rfc-editor.org/rfc/rfc8446.html#section-4.4.3. + OffloadPrivateKeyOperationReq_SIGN OffloadPrivateKeyOperationReq_PrivateKeyOperation = 1 + // When performing a TLS 1.2 handshake using an RSA algorithm, the key + // exchange algorithm involves the client generating a premaster secret, + // encrypting it using the server's public key, and sending this encrypted + // blob to the server in a ClientKeyExchange message. + // + // See https://www.rfc-editor.org/rfc/rfc4346#section-7.4.7.1. + OffloadPrivateKeyOperationReq_DECRYPT OffloadPrivateKeyOperationReq_PrivateKeyOperation = 2 +) + +// Enum value maps for OffloadPrivateKeyOperationReq_PrivateKeyOperation. +var ( + OffloadPrivateKeyOperationReq_PrivateKeyOperation_name = map[int32]string{ + 0: "UNSPECIFIED", + 1: "SIGN", + 2: "DECRYPT", + } + OffloadPrivateKeyOperationReq_PrivateKeyOperation_value = map[string]int32{ + "UNSPECIFIED": 0, + "SIGN": 1, + "DECRYPT": 2, + } +) + +func (x OffloadPrivateKeyOperationReq_PrivateKeyOperation) Enum() *OffloadPrivateKeyOperationReq_PrivateKeyOperation { + p := new(OffloadPrivateKeyOperationReq_PrivateKeyOperation) + *p = x + return p +} + +func (x OffloadPrivateKeyOperationReq_PrivateKeyOperation) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (OffloadPrivateKeyOperationReq_PrivateKeyOperation) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[2].Descriptor() +} + +func (OffloadPrivateKeyOperationReq_PrivateKeyOperation) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[2] +} + +func (x OffloadPrivateKeyOperationReq_PrivateKeyOperation) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use OffloadPrivateKeyOperationReq_PrivateKeyOperation.Descriptor instead. +func (OffloadPrivateKeyOperationReq_PrivateKeyOperation) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{5, 0} +} + +type OffloadResumptionKeyOperationReq_ResumptionKeyOperation int32 + +const ( + OffloadResumptionKeyOperationReq_UNSPECIFIED OffloadResumptionKeyOperationReq_ResumptionKeyOperation = 0 + OffloadResumptionKeyOperationReq_ENCRYPT OffloadResumptionKeyOperationReq_ResumptionKeyOperation = 1 + OffloadResumptionKeyOperationReq_DECRYPT OffloadResumptionKeyOperationReq_ResumptionKeyOperation = 2 +) + +// Enum value maps for OffloadResumptionKeyOperationReq_ResumptionKeyOperation. +var ( + OffloadResumptionKeyOperationReq_ResumptionKeyOperation_name = map[int32]string{ + 0: "UNSPECIFIED", + 1: "ENCRYPT", + 2: "DECRYPT", + } + OffloadResumptionKeyOperationReq_ResumptionKeyOperation_value = map[string]int32{ + "UNSPECIFIED": 0, + "ENCRYPT": 1, + "DECRYPT": 2, + } +) + +func (x OffloadResumptionKeyOperationReq_ResumptionKeyOperation) Enum() *OffloadResumptionKeyOperationReq_ResumptionKeyOperation { + p := new(OffloadResumptionKeyOperationReq_ResumptionKeyOperation) + *p = x + return p +} + +func (x OffloadResumptionKeyOperationReq_ResumptionKeyOperation) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (OffloadResumptionKeyOperationReq_ResumptionKeyOperation) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[3].Descriptor() +} + +func (OffloadResumptionKeyOperationReq_ResumptionKeyOperation) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[3] +} + +func (x OffloadResumptionKeyOperationReq_ResumptionKeyOperation) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use OffloadResumptionKeyOperationReq_ResumptionKeyOperation.Descriptor instead. +func (OffloadResumptionKeyOperationReq_ResumptionKeyOperation) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{7, 0} +} + +type ValidatePeerCertificateChainReq_VerificationMode int32 + +const ( + // The default verification mode supported by S2A. + ValidatePeerCertificateChainReq_UNSPECIFIED ValidatePeerCertificateChainReq_VerificationMode = 0 + // The SPIFFE verification mode selects the set of trusted certificates to + // use for path building based on the SPIFFE trust domain in the peer's leaf + // certificate. + ValidatePeerCertificateChainReq_SPIFFE ValidatePeerCertificateChainReq_VerificationMode = 1 + // The connect-to-Google verification mode uses the trust bundle for + // connecting to Google, e.g. *.mtls.googleapis.com endpoints. + ValidatePeerCertificateChainReq_CONNECT_TO_GOOGLE ValidatePeerCertificateChainReq_VerificationMode = 2 +) + +// Enum value maps for ValidatePeerCertificateChainReq_VerificationMode. +var ( + ValidatePeerCertificateChainReq_VerificationMode_name = map[int32]string{ + 0: "UNSPECIFIED", + 1: "SPIFFE", + 2: "CONNECT_TO_GOOGLE", + } + ValidatePeerCertificateChainReq_VerificationMode_value = map[string]int32{ + "UNSPECIFIED": 0, + "SPIFFE": 1, + "CONNECT_TO_GOOGLE": 2, + } +) + +func (x ValidatePeerCertificateChainReq_VerificationMode) Enum() *ValidatePeerCertificateChainReq_VerificationMode { + p := new(ValidatePeerCertificateChainReq_VerificationMode) + *p = x + return p +} + +func (x ValidatePeerCertificateChainReq_VerificationMode) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (ValidatePeerCertificateChainReq_VerificationMode) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[4].Descriptor() +} + +func (ValidatePeerCertificateChainReq_VerificationMode) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[4] +} + +func (x ValidatePeerCertificateChainReq_VerificationMode) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use ValidatePeerCertificateChainReq_VerificationMode.Descriptor instead. +func (ValidatePeerCertificateChainReq_VerificationMode) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{9, 0} +} + +type ValidatePeerCertificateChainResp_ValidationResult int32 + +const ( + ValidatePeerCertificateChainResp_UNSPECIFIED ValidatePeerCertificateChainResp_ValidationResult = 0 + ValidatePeerCertificateChainResp_SUCCESS ValidatePeerCertificateChainResp_ValidationResult = 1 + ValidatePeerCertificateChainResp_FAILURE ValidatePeerCertificateChainResp_ValidationResult = 2 +) + +// Enum value maps for ValidatePeerCertificateChainResp_ValidationResult. +var ( + ValidatePeerCertificateChainResp_ValidationResult_name = map[int32]string{ + 0: "UNSPECIFIED", + 1: "SUCCESS", + 2: "FAILURE", + } + ValidatePeerCertificateChainResp_ValidationResult_value = map[string]int32{ + "UNSPECIFIED": 0, + "SUCCESS": 1, + "FAILURE": 2, + } +) + +func (x ValidatePeerCertificateChainResp_ValidationResult) Enum() *ValidatePeerCertificateChainResp_ValidationResult { + p := new(ValidatePeerCertificateChainResp_ValidationResult) + *p = x + return p +} + +func (x ValidatePeerCertificateChainResp_ValidationResult) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (ValidatePeerCertificateChainResp_ValidationResult) Descriptor() protoreflect.EnumDescriptor { + return file_internal_proto_v2_s2a_s2a_proto_enumTypes[5].Descriptor() +} + +func (ValidatePeerCertificateChainResp_ValidationResult) Type() protoreflect.EnumType { + return &file_internal_proto_v2_s2a_s2a_proto_enumTypes[5] +} + +func (x ValidatePeerCertificateChainResp_ValidationResult) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use ValidatePeerCertificateChainResp_ValidationResult.Descriptor instead. +func (ValidatePeerCertificateChainResp_ValidationResult) EnumDescriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{10, 0} +} + +type AlpnPolicy struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // If true, the application MUST perform ALPN negotiation. + EnableAlpnNegotiation bool `protobuf:"varint,1,opt,name=enable_alpn_negotiation,json=enableAlpnNegotiation,proto3" json:"enable_alpn_negotiation,omitempty"` + // The ordered list of ALPN protocols that specify how the application SHOULD + // negotiate ALPN during the TLS handshake. + // + // The application MAY ignore any ALPN protocols in this list that are not + // supported by the application. + AlpnProtocols []common_go_proto.AlpnProtocol `protobuf:"varint,2,rep,packed,name=alpn_protocols,json=alpnProtocols,proto3,enum=s2a.proto.v2.AlpnProtocol" json:"alpn_protocols,omitempty"` +} + +func (x *AlpnPolicy) Reset() { + *x = AlpnPolicy{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *AlpnPolicy) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*AlpnPolicy) ProtoMessage() {} + +func (x *AlpnPolicy) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use AlpnPolicy.ProtoReflect.Descriptor instead. +func (*AlpnPolicy) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{0} +} + +func (x *AlpnPolicy) GetEnableAlpnNegotiation() bool { + if x != nil { + return x.EnableAlpnNegotiation + } + return false +} + +func (x *AlpnPolicy) GetAlpnProtocols() []common_go_proto.AlpnProtocol { + if x != nil { + return x.AlpnProtocols + } + return nil +} + +type AuthenticationMechanism struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Applications may specify an identity associated to an authentication + // mechanism. Otherwise, S2A assumes that the authentication mechanism is + // associated with the default identity. If the default identity cannot be + // determined, the request is rejected. + Identity *common_go_proto1.Identity `protobuf:"bytes,1,opt,name=identity,proto3" json:"identity,omitempty"` + // Types that are assignable to MechanismOneof: + // + // *AuthenticationMechanism_Token + MechanismOneof isAuthenticationMechanism_MechanismOneof `protobuf_oneof:"mechanism_oneof"` +} + +func (x *AuthenticationMechanism) Reset() { + *x = AuthenticationMechanism{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *AuthenticationMechanism) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*AuthenticationMechanism) ProtoMessage() {} + +func (x *AuthenticationMechanism) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use AuthenticationMechanism.ProtoReflect.Descriptor instead. +func (*AuthenticationMechanism) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{1} +} + +func (x *AuthenticationMechanism) GetIdentity() *common_go_proto1.Identity { + if x != nil { + return x.Identity + } + return nil +} + +func (m *AuthenticationMechanism) GetMechanismOneof() isAuthenticationMechanism_MechanismOneof { + if m != nil { + return m.MechanismOneof + } + return nil +} + +func (x *AuthenticationMechanism) GetToken() string { + if x, ok := x.GetMechanismOneof().(*AuthenticationMechanism_Token); ok { + return x.Token + } + return "" +} + +type isAuthenticationMechanism_MechanismOneof interface { + isAuthenticationMechanism_MechanismOneof() +} + +type AuthenticationMechanism_Token struct { + // A token that the application uses to authenticate itself to S2A. + Token string `protobuf:"bytes,2,opt,name=token,proto3,oneof"` +} + +func (*AuthenticationMechanism_Token) isAuthenticationMechanism_MechanismOneof() {} + +type Status struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The status code that is specific to the application and the implementation + // of S2A, e.g., gRPC status code. + Code uint32 `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"` + // The status details. + Details string `protobuf:"bytes,2,opt,name=details,proto3" json:"details,omitempty"` +} + +func (x *Status) Reset() { + *x = Status{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Status) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Status) ProtoMessage() {} + +func (x *Status) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[2] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use Status.ProtoReflect.Descriptor instead. +func (*Status) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{2} +} + +func (x *Status) GetCode() uint32 { + if x != nil { + return x.Code + } + return 0 +} + +func (x *Status) GetDetails() string { + if x != nil { + return x.Details + } + return "" +} + +type GetTlsConfigurationReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The role of the application in the TLS connection. + ConnectionSide common_go_proto.ConnectionSide `protobuf:"varint,1,opt,name=connection_side,json=connectionSide,proto3,enum=s2a.proto.v2.ConnectionSide" json:"connection_side,omitempty"` + // The server name indication (SNI) extension, which MAY be populated when a + // server is offloading to S2A. The SNI is used to determine the server + // identity if the local identity in the request is empty. + Sni string `protobuf:"bytes,2,opt,name=sni,proto3" json:"sni,omitempty"` +} + +func (x *GetTlsConfigurationReq) Reset() { + *x = GetTlsConfigurationReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GetTlsConfigurationReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GetTlsConfigurationReq) ProtoMessage() {} + +func (x *GetTlsConfigurationReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[3] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use GetTlsConfigurationReq.ProtoReflect.Descriptor instead. +func (*GetTlsConfigurationReq) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{3} +} + +func (x *GetTlsConfigurationReq) GetConnectionSide() common_go_proto.ConnectionSide { + if x != nil { + return x.ConnectionSide + } + return common_go_proto.ConnectionSide(0) +} + +func (x *GetTlsConfigurationReq) GetSni() string { + if x != nil { + return x.Sni + } + return "" +} + +type GetTlsConfigurationResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Types that are assignable to TlsConfiguration: + // + // *GetTlsConfigurationResp_ClientTlsConfiguration_ + // *GetTlsConfigurationResp_ServerTlsConfiguration_ + TlsConfiguration isGetTlsConfigurationResp_TlsConfiguration `protobuf_oneof:"tls_configuration"` +} + +func (x *GetTlsConfigurationResp) Reset() { + *x = GetTlsConfigurationResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[4] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GetTlsConfigurationResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GetTlsConfigurationResp) ProtoMessage() {} + +func (x *GetTlsConfigurationResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[4] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use GetTlsConfigurationResp.ProtoReflect.Descriptor instead. +func (*GetTlsConfigurationResp) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{4} +} + +func (m *GetTlsConfigurationResp) GetTlsConfiguration() isGetTlsConfigurationResp_TlsConfiguration { + if m != nil { + return m.TlsConfiguration + } + return nil +} + +func (x *GetTlsConfigurationResp) GetClientTlsConfiguration() *GetTlsConfigurationResp_ClientTlsConfiguration { + if x, ok := x.GetTlsConfiguration().(*GetTlsConfigurationResp_ClientTlsConfiguration_); ok { + return x.ClientTlsConfiguration + } + return nil +} + +func (x *GetTlsConfigurationResp) GetServerTlsConfiguration() *GetTlsConfigurationResp_ServerTlsConfiguration { + if x, ok := x.GetTlsConfiguration().(*GetTlsConfigurationResp_ServerTlsConfiguration_); ok { + return x.ServerTlsConfiguration + } + return nil +} + +type isGetTlsConfigurationResp_TlsConfiguration interface { + isGetTlsConfigurationResp_TlsConfiguration() +} + +type GetTlsConfigurationResp_ClientTlsConfiguration_ struct { + ClientTlsConfiguration *GetTlsConfigurationResp_ClientTlsConfiguration `protobuf:"bytes,1,opt,name=client_tls_configuration,json=clientTlsConfiguration,proto3,oneof"` +} + +type GetTlsConfigurationResp_ServerTlsConfiguration_ struct { + ServerTlsConfiguration *GetTlsConfigurationResp_ServerTlsConfiguration `protobuf:"bytes,2,opt,name=server_tls_configuration,json=serverTlsConfiguration,proto3,oneof"` +} + +func (*GetTlsConfigurationResp_ClientTlsConfiguration_) isGetTlsConfigurationResp_TlsConfiguration() { +} + +func (*GetTlsConfigurationResp_ServerTlsConfiguration_) isGetTlsConfigurationResp_TlsConfiguration() { +} + +type OffloadPrivateKeyOperationReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The operation the private key is used for. + Operation OffloadPrivateKeyOperationReq_PrivateKeyOperation `protobuf:"varint,1,opt,name=operation,proto3,enum=s2a.proto.v2.OffloadPrivateKeyOperationReq_PrivateKeyOperation" json:"operation,omitempty"` + // The signature algorithm to be used for signing operations. + SignatureAlgorithm SignatureAlgorithm `protobuf:"varint,2,opt,name=signature_algorithm,json=signatureAlgorithm,proto3,enum=s2a.proto.v2.SignatureAlgorithm" json:"signature_algorithm,omitempty"` + // The input bytes to be signed or decrypted. + // + // Types that are assignable to InBytes: + // + // *OffloadPrivateKeyOperationReq_RawBytes + // *OffloadPrivateKeyOperationReq_Sha256Digest + // *OffloadPrivateKeyOperationReq_Sha384Digest + // *OffloadPrivateKeyOperationReq_Sha512Digest + InBytes isOffloadPrivateKeyOperationReq_InBytes `protobuf_oneof:"in_bytes"` +} + +func (x *OffloadPrivateKeyOperationReq) Reset() { + *x = OffloadPrivateKeyOperationReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[5] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *OffloadPrivateKeyOperationReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*OffloadPrivateKeyOperationReq) ProtoMessage() {} + +func (x *OffloadPrivateKeyOperationReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[5] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use OffloadPrivateKeyOperationReq.ProtoReflect.Descriptor instead. +func (*OffloadPrivateKeyOperationReq) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{5} +} + +func (x *OffloadPrivateKeyOperationReq) GetOperation() OffloadPrivateKeyOperationReq_PrivateKeyOperation { + if x != nil { + return x.Operation + } + return OffloadPrivateKeyOperationReq_UNSPECIFIED +} + +func (x *OffloadPrivateKeyOperationReq) GetSignatureAlgorithm() SignatureAlgorithm { + if x != nil { + return x.SignatureAlgorithm + } + return SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED +} + +func (m *OffloadPrivateKeyOperationReq) GetInBytes() isOffloadPrivateKeyOperationReq_InBytes { + if m != nil { + return m.InBytes + } + return nil +} + +func (x *OffloadPrivateKeyOperationReq) GetRawBytes() []byte { + if x, ok := x.GetInBytes().(*OffloadPrivateKeyOperationReq_RawBytes); ok { + return x.RawBytes + } + return nil +} + +func (x *OffloadPrivateKeyOperationReq) GetSha256Digest() []byte { + if x, ok := x.GetInBytes().(*OffloadPrivateKeyOperationReq_Sha256Digest); ok { + return x.Sha256Digest + } + return nil +} + +func (x *OffloadPrivateKeyOperationReq) GetSha384Digest() []byte { + if x, ok := x.GetInBytes().(*OffloadPrivateKeyOperationReq_Sha384Digest); ok { + return x.Sha384Digest + } + return nil +} + +func (x *OffloadPrivateKeyOperationReq) GetSha512Digest() []byte { + if x, ok := x.GetInBytes().(*OffloadPrivateKeyOperationReq_Sha512Digest); ok { + return x.Sha512Digest + } + return nil +} + +type isOffloadPrivateKeyOperationReq_InBytes interface { + isOffloadPrivateKeyOperationReq_InBytes() +} + +type OffloadPrivateKeyOperationReq_RawBytes struct { + // Raw bytes to be hashed and signed, or decrypted. + RawBytes []byte `protobuf:"bytes,4,opt,name=raw_bytes,json=rawBytes,proto3,oneof"` +} + +type OffloadPrivateKeyOperationReq_Sha256Digest struct { + // A SHA256 hash to be signed. Must be 32 bytes. + Sha256Digest []byte `protobuf:"bytes,5,opt,name=sha256_digest,json=sha256Digest,proto3,oneof"` +} + +type OffloadPrivateKeyOperationReq_Sha384Digest struct { + // A SHA384 hash to be signed. Must be 48 bytes. + Sha384Digest []byte `protobuf:"bytes,6,opt,name=sha384_digest,json=sha384Digest,proto3,oneof"` +} + +type OffloadPrivateKeyOperationReq_Sha512Digest struct { + // A SHA512 hash to be signed. Must be 64 bytes. + Sha512Digest []byte `protobuf:"bytes,7,opt,name=sha512_digest,json=sha512Digest,proto3,oneof"` +} + +func (*OffloadPrivateKeyOperationReq_RawBytes) isOffloadPrivateKeyOperationReq_InBytes() {} + +func (*OffloadPrivateKeyOperationReq_Sha256Digest) isOffloadPrivateKeyOperationReq_InBytes() {} + +func (*OffloadPrivateKeyOperationReq_Sha384Digest) isOffloadPrivateKeyOperationReq_InBytes() {} + +func (*OffloadPrivateKeyOperationReq_Sha512Digest) isOffloadPrivateKeyOperationReq_InBytes() {} + +type OffloadPrivateKeyOperationResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The signed or decrypted output bytes. + OutBytes []byte `protobuf:"bytes,1,opt,name=out_bytes,json=outBytes,proto3" json:"out_bytes,omitempty"` +} + +func (x *OffloadPrivateKeyOperationResp) Reset() { + *x = OffloadPrivateKeyOperationResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[6] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *OffloadPrivateKeyOperationResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*OffloadPrivateKeyOperationResp) ProtoMessage() {} + +func (x *OffloadPrivateKeyOperationResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[6] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use OffloadPrivateKeyOperationResp.ProtoReflect.Descriptor instead. +func (*OffloadPrivateKeyOperationResp) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{6} +} + +func (x *OffloadPrivateKeyOperationResp) GetOutBytes() []byte { + if x != nil { + return x.OutBytes + } + return nil +} + +type OffloadResumptionKeyOperationReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The operation the resumption key is used for. + Operation OffloadResumptionKeyOperationReq_ResumptionKeyOperation `protobuf:"varint,1,opt,name=operation,proto3,enum=s2a.proto.v2.OffloadResumptionKeyOperationReq_ResumptionKeyOperation" json:"operation,omitempty"` + // The bytes to be encrypted or decrypted. + InBytes []byte `protobuf:"bytes,2,opt,name=in_bytes,json=inBytes,proto3" json:"in_bytes,omitempty"` +} + +func (x *OffloadResumptionKeyOperationReq) Reset() { + *x = OffloadResumptionKeyOperationReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[7] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *OffloadResumptionKeyOperationReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*OffloadResumptionKeyOperationReq) ProtoMessage() {} + +func (x *OffloadResumptionKeyOperationReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[7] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use OffloadResumptionKeyOperationReq.ProtoReflect.Descriptor instead. +func (*OffloadResumptionKeyOperationReq) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{7} +} + +func (x *OffloadResumptionKeyOperationReq) GetOperation() OffloadResumptionKeyOperationReq_ResumptionKeyOperation { + if x != nil { + return x.Operation + } + return OffloadResumptionKeyOperationReq_UNSPECIFIED +} + +func (x *OffloadResumptionKeyOperationReq) GetInBytes() []byte { + if x != nil { + return x.InBytes + } + return nil +} + +type OffloadResumptionKeyOperationResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The encrypted or decrypted bytes. + OutBytes []byte `protobuf:"bytes,1,opt,name=out_bytes,json=outBytes,proto3" json:"out_bytes,omitempty"` +} + +func (x *OffloadResumptionKeyOperationResp) Reset() { + *x = OffloadResumptionKeyOperationResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[8] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *OffloadResumptionKeyOperationResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*OffloadResumptionKeyOperationResp) ProtoMessage() {} + +func (x *OffloadResumptionKeyOperationResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[8] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use OffloadResumptionKeyOperationResp.ProtoReflect.Descriptor instead. +func (*OffloadResumptionKeyOperationResp) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{8} +} + +func (x *OffloadResumptionKeyOperationResp) GetOutBytes() []byte { + if x != nil { + return x.OutBytes + } + return nil +} + +type ValidatePeerCertificateChainReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The verification mode that S2A MUST use to validate the peer certificate + // chain. + Mode ValidatePeerCertificateChainReq_VerificationMode `protobuf:"varint,1,opt,name=mode,proto3,enum=s2a.proto.v2.ValidatePeerCertificateChainReq_VerificationMode" json:"mode,omitempty"` + // Types that are assignable to PeerOneof: + // + // *ValidatePeerCertificateChainReq_ClientPeer_ + // *ValidatePeerCertificateChainReq_ServerPeer_ + PeerOneof isValidatePeerCertificateChainReq_PeerOneof `protobuf_oneof:"peer_oneof"` +} + +func (x *ValidatePeerCertificateChainReq) Reset() { + *x = ValidatePeerCertificateChainReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[9] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ValidatePeerCertificateChainReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ValidatePeerCertificateChainReq) ProtoMessage() {} + +func (x *ValidatePeerCertificateChainReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[9] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ValidatePeerCertificateChainReq.ProtoReflect.Descriptor instead. +func (*ValidatePeerCertificateChainReq) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{9} +} + +func (x *ValidatePeerCertificateChainReq) GetMode() ValidatePeerCertificateChainReq_VerificationMode { + if x != nil { + return x.Mode + } + return ValidatePeerCertificateChainReq_UNSPECIFIED +} + +func (m *ValidatePeerCertificateChainReq) GetPeerOneof() isValidatePeerCertificateChainReq_PeerOneof { + if m != nil { + return m.PeerOneof + } + return nil +} + +func (x *ValidatePeerCertificateChainReq) GetClientPeer() *ValidatePeerCertificateChainReq_ClientPeer { + if x, ok := x.GetPeerOneof().(*ValidatePeerCertificateChainReq_ClientPeer_); ok { + return x.ClientPeer + } + return nil +} + +func (x *ValidatePeerCertificateChainReq) GetServerPeer() *ValidatePeerCertificateChainReq_ServerPeer { + if x, ok := x.GetPeerOneof().(*ValidatePeerCertificateChainReq_ServerPeer_); ok { + return x.ServerPeer + } + return nil +} + +type isValidatePeerCertificateChainReq_PeerOneof interface { + isValidatePeerCertificateChainReq_PeerOneof() +} + +type ValidatePeerCertificateChainReq_ClientPeer_ struct { + ClientPeer *ValidatePeerCertificateChainReq_ClientPeer `protobuf:"bytes,2,opt,name=client_peer,json=clientPeer,proto3,oneof"` +} + +type ValidatePeerCertificateChainReq_ServerPeer_ struct { + ServerPeer *ValidatePeerCertificateChainReq_ServerPeer `protobuf:"bytes,3,opt,name=server_peer,json=serverPeer,proto3,oneof"` +} + +func (*ValidatePeerCertificateChainReq_ClientPeer_) isValidatePeerCertificateChainReq_PeerOneof() {} + +func (*ValidatePeerCertificateChainReq_ServerPeer_) isValidatePeerCertificateChainReq_PeerOneof() {} + +type ValidatePeerCertificateChainResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The result of validating the peer certificate chain. + ValidationResult ValidatePeerCertificateChainResp_ValidationResult `protobuf:"varint,1,opt,name=validation_result,json=validationResult,proto3,enum=s2a.proto.v2.ValidatePeerCertificateChainResp_ValidationResult" json:"validation_result,omitempty"` + // The validation details. This field is only populated when the validation + // result is NOT SUCCESS. + ValidationDetails string `protobuf:"bytes,2,opt,name=validation_details,json=validationDetails,proto3" json:"validation_details,omitempty"` + // The S2A context contains information from the peer certificate chain. + // + // The S2A context MAY be populated even if validation of the peer certificate + // chain fails. + Context *s2a_context_go_proto.S2AContext `protobuf:"bytes,3,opt,name=context,proto3" json:"context,omitempty"` +} + +func (x *ValidatePeerCertificateChainResp) Reset() { + *x = ValidatePeerCertificateChainResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[10] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ValidatePeerCertificateChainResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ValidatePeerCertificateChainResp) ProtoMessage() {} + +func (x *ValidatePeerCertificateChainResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[10] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ValidatePeerCertificateChainResp.ProtoReflect.Descriptor instead. +func (*ValidatePeerCertificateChainResp) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{10} +} + +func (x *ValidatePeerCertificateChainResp) GetValidationResult() ValidatePeerCertificateChainResp_ValidationResult { + if x != nil { + return x.ValidationResult + } + return ValidatePeerCertificateChainResp_UNSPECIFIED +} + +func (x *ValidatePeerCertificateChainResp) GetValidationDetails() string { + if x != nil { + return x.ValidationDetails + } + return "" +} + +func (x *ValidatePeerCertificateChainResp) GetContext() *s2a_context_go_proto.S2AContext { + if x != nil { + return x.Context + } + return nil +} + +type SessionReq struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The identity corresponding to the TLS configurations that MUST be used for + // the TLS handshake. + // + // If a managed identity already exists, the local identity and authentication + // mechanisms are ignored. If a managed identity doesn't exist and the local + // identity is not populated, S2A will try to deduce the managed identity to + // use from the SNI extension. If that also fails, S2A uses the default + // identity (if one exists). + LocalIdentity *common_go_proto1.Identity `protobuf:"bytes,1,opt,name=local_identity,json=localIdentity,proto3" json:"local_identity,omitempty"` + // The authentication mechanisms that the application wishes to use to + // authenticate to S2A, ordered by preference. S2A will always use the first + // authentication mechanism that matches the managed identity. + AuthenticationMechanisms []*AuthenticationMechanism `protobuf:"bytes,2,rep,name=authentication_mechanisms,json=authenticationMechanisms,proto3" json:"authentication_mechanisms,omitempty"` + // Types that are assignable to ReqOneof: + // + // *SessionReq_GetTlsConfigurationReq + // *SessionReq_OffloadPrivateKeyOperationReq + // *SessionReq_OffloadResumptionKeyOperationReq + // *SessionReq_ValidatePeerCertificateChainReq + ReqOneof isSessionReq_ReqOneof `protobuf_oneof:"req_oneof"` +} + +func (x *SessionReq) Reset() { + *x = SessionReq{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[11] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionReq) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionReq) ProtoMessage() {} + +func (x *SessionReq) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[11] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionReq.ProtoReflect.Descriptor instead. +func (*SessionReq) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{11} +} + +func (x *SessionReq) GetLocalIdentity() *common_go_proto1.Identity { + if x != nil { + return x.LocalIdentity + } + return nil +} + +func (x *SessionReq) GetAuthenticationMechanisms() []*AuthenticationMechanism { + if x != nil { + return x.AuthenticationMechanisms + } + return nil +} + +func (m *SessionReq) GetReqOneof() isSessionReq_ReqOneof { + if m != nil { + return m.ReqOneof + } + return nil +} + +func (x *SessionReq) GetGetTlsConfigurationReq() *GetTlsConfigurationReq { + if x, ok := x.GetReqOneof().(*SessionReq_GetTlsConfigurationReq); ok { + return x.GetTlsConfigurationReq + } + return nil +} + +func (x *SessionReq) GetOffloadPrivateKeyOperationReq() *OffloadPrivateKeyOperationReq { + if x, ok := x.GetReqOneof().(*SessionReq_OffloadPrivateKeyOperationReq); ok { + return x.OffloadPrivateKeyOperationReq + } + return nil +} + +func (x *SessionReq) GetOffloadResumptionKeyOperationReq() *OffloadResumptionKeyOperationReq { + if x, ok := x.GetReqOneof().(*SessionReq_OffloadResumptionKeyOperationReq); ok { + return x.OffloadResumptionKeyOperationReq + } + return nil +} + +func (x *SessionReq) GetValidatePeerCertificateChainReq() *ValidatePeerCertificateChainReq { + if x, ok := x.GetReqOneof().(*SessionReq_ValidatePeerCertificateChainReq); ok { + return x.ValidatePeerCertificateChainReq + } + return nil +} + +type isSessionReq_ReqOneof interface { + isSessionReq_ReqOneof() +} + +type SessionReq_GetTlsConfigurationReq struct { + // Requests the certificate chain and TLS configuration corresponding to the + // local identity, which the application MUST use to negotiate the TLS + // handshake. + GetTlsConfigurationReq *GetTlsConfigurationReq `protobuf:"bytes,3,opt,name=get_tls_configuration_req,json=getTlsConfigurationReq,proto3,oneof"` +} + +type SessionReq_OffloadPrivateKeyOperationReq struct { + // Signs or decrypts the input bytes using a private key corresponding to + // the local identity in the request. + // + // WARNING: More than one OffloadPrivateKeyOperationReq may be sent to the + // S2Av2 by a server during a TLS 1.2 handshake. + OffloadPrivateKeyOperationReq *OffloadPrivateKeyOperationReq `protobuf:"bytes,4,opt,name=offload_private_key_operation_req,json=offloadPrivateKeyOperationReq,proto3,oneof"` +} + +type SessionReq_OffloadResumptionKeyOperationReq struct { + // Encrypts or decrypts the input bytes using a resumption key corresponding + // to the local identity in the request. + OffloadResumptionKeyOperationReq *OffloadResumptionKeyOperationReq `protobuf:"bytes,5,opt,name=offload_resumption_key_operation_req,json=offloadResumptionKeyOperationReq,proto3,oneof"` +} + +type SessionReq_ValidatePeerCertificateChainReq struct { + // Verifies the peer's certificate chain using + // (a) trust bundles corresponding to the local identity in the request, and + // (b) the verification mode in the request. + ValidatePeerCertificateChainReq *ValidatePeerCertificateChainReq `protobuf:"bytes,6,opt,name=validate_peer_certificate_chain_req,json=validatePeerCertificateChainReq,proto3,oneof"` +} + +func (*SessionReq_GetTlsConfigurationReq) isSessionReq_ReqOneof() {} + +func (*SessionReq_OffloadPrivateKeyOperationReq) isSessionReq_ReqOneof() {} + +func (*SessionReq_OffloadResumptionKeyOperationReq) isSessionReq_ReqOneof() {} + +func (*SessionReq_ValidatePeerCertificateChainReq) isSessionReq_ReqOneof() {} + +type SessionResp struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Status of the session response. + // + // The status field is populated so that if an error occurs when making an + // individual request, then communication with the S2A may continue. If an + // error is returned directly (e.g. at the gRPC layer), then it may result + // that the bidirectional stream being closed. + Status *Status `protobuf:"bytes,1,opt,name=status,proto3" json:"status,omitempty"` + // Types that are assignable to RespOneof: + // + // *SessionResp_GetTlsConfigurationResp + // *SessionResp_OffloadPrivateKeyOperationResp + // *SessionResp_OffloadResumptionKeyOperationResp + // *SessionResp_ValidatePeerCertificateChainResp + RespOneof isSessionResp_RespOneof `protobuf_oneof:"resp_oneof"` +} + +func (x *SessionResp) Reset() { + *x = SessionResp{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[12] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SessionResp) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SessionResp) ProtoMessage() {} + +func (x *SessionResp) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[12] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use SessionResp.ProtoReflect.Descriptor instead. +func (*SessionResp) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{12} +} + +func (x *SessionResp) GetStatus() *Status { + if x != nil { + return x.Status + } + return nil +} + +func (m *SessionResp) GetRespOneof() isSessionResp_RespOneof { + if m != nil { + return m.RespOneof + } + return nil +} + +func (x *SessionResp) GetGetTlsConfigurationResp() *GetTlsConfigurationResp { + if x, ok := x.GetRespOneof().(*SessionResp_GetTlsConfigurationResp); ok { + return x.GetTlsConfigurationResp + } + return nil +} + +func (x *SessionResp) GetOffloadPrivateKeyOperationResp() *OffloadPrivateKeyOperationResp { + if x, ok := x.GetRespOneof().(*SessionResp_OffloadPrivateKeyOperationResp); ok { + return x.OffloadPrivateKeyOperationResp + } + return nil +} + +func (x *SessionResp) GetOffloadResumptionKeyOperationResp() *OffloadResumptionKeyOperationResp { + if x, ok := x.GetRespOneof().(*SessionResp_OffloadResumptionKeyOperationResp); ok { + return x.OffloadResumptionKeyOperationResp + } + return nil +} + +func (x *SessionResp) GetValidatePeerCertificateChainResp() *ValidatePeerCertificateChainResp { + if x, ok := x.GetRespOneof().(*SessionResp_ValidatePeerCertificateChainResp); ok { + return x.ValidatePeerCertificateChainResp + } + return nil +} + +type isSessionResp_RespOneof interface { + isSessionResp_RespOneof() +} + +type SessionResp_GetTlsConfigurationResp struct { + // Contains the certificate chain and TLS configurations corresponding to + // the local identity. + GetTlsConfigurationResp *GetTlsConfigurationResp `protobuf:"bytes,2,opt,name=get_tls_configuration_resp,json=getTlsConfigurationResp,proto3,oneof"` +} + +type SessionResp_OffloadPrivateKeyOperationResp struct { + // Contains the signed or encrypted output bytes using the private key + // corresponding to the local identity. + OffloadPrivateKeyOperationResp *OffloadPrivateKeyOperationResp `protobuf:"bytes,3,opt,name=offload_private_key_operation_resp,json=offloadPrivateKeyOperationResp,proto3,oneof"` +} + +type SessionResp_OffloadResumptionKeyOperationResp struct { + // Contains the encrypted or decrypted output bytes using the resumption key + // corresponding to the local identity. + OffloadResumptionKeyOperationResp *OffloadResumptionKeyOperationResp `protobuf:"bytes,4,opt,name=offload_resumption_key_operation_resp,json=offloadResumptionKeyOperationResp,proto3,oneof"` +} + +type SessionResp_ValidatePeerCertificateChainResp struct { + // Contains the validation result, peer identity and fingerprints of peer + // certificates. + ValidatePeerCertificateChainResp *ValidatePeerCertificateChainResp `protobuf:"bytes,5,opt,name=validate_peer_certificate_chain_resp,json=validatePeerCertificateChainResp,proto3,oneof"` +} + +func (*SessionResp_GetTlsConfigurationResp) isSessionResp_RespOneof() {} + +func (*SessionResp_OffloadPrivateKeyOperationResp) isSessionResp_RespOneof() {} + +func (*SessionResp_OffloadResumptionKeyOperationResp) isSessionResp_RespOneof() {} + +func (*SessionResp_ValidatePeerCertificateChainResp) isSessionResp_RespOneof() {} + +// Next ID: 8 +type GetTlsConfigurationResp_ClientTlsConfiguration struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The certificate chain that the client MUST use for the TLS handshake. + // It's a list of PEM-encoded certificates, ordered from leaf to root, + // excluding the root. + CertificateChain []string `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"` + // The minimum TLS version number that the client MUST use for the TLS + // handshake. If this field is not provided, the client MUST use the default + // minimum version of the client's TLS library. + MinTlsVersion common_go_proto.TLSVersion `protobuf:"varint,2,opt,name=min_tls_version,json=minTlsVersion,proto3,enum=s2a.proto.v2.TLSVersion" json:"min_tls_version,omitempty"` + // The maximum TLS version number that the client MUST use for the TLS + // handshake. If this field is not provided, the client MUST use the default + // maximum version of the client's TLS library. + MaxTlsVersion common_go_proto.TLSVersion `protobuf:"varint,3,opt,name=max_tls_version,json=maxTlsVersion,proto3,enum=s2a.proto.v2.TLSVersion" json:"max_tls_version,omitempty"` + // The ordered list of TLS 1.0-1.2 ciphersuites that the client MAY offer to + // negotiate in the TLS handshake. + Ciphersuites []common_go_proto.Ciphersuite `protobuf:"varint,6,rep,packed,name=ciphersuites,proto3,enum=s2a.proto.v2.Ciphersuite" json:"ciphersuites,omitempty"` + // The policy that dictates how the client negotiates ALPN during the TLS + // handshake. + AlpnPolicy *AlpnPolicy `protobuf:"bytes,7,opt,name=alpn_policy,json=alpnPolicy,proto3" json:"alpn_policy,omitempty"` +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) Reset() { + *x = GetTlsConfigurationResp_ClientTlsConfiguration{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[13] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GetTlsConfigurationResp_ClientTlsConfiguration) ProtoMessage() {} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[13] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use GetTlsConfigurationResp_ClientTlsConfiguration.ProtoReflect.Descriptor instead. +func (*GetTlsConfigurationResp_ClientTlsConfiguration) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{4, 0} +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) GetCertificateChain() []string { + if x != nil { + return x.CertificateChain + } + return nil +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) GetMinTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MinTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) GetMaxTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MaxTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) GetCiphersuites() []common_go_proto.Ciphersuite { + if x != nil { + return x.Ciphersuites + } + return nil +} + +func (x *GetTlsConfigurationResp_ClientTlsConfiguration) GetAlpnPolicy() *AlpnPolicy { + if x != nil { + return x.AlpnPolicy + } + return nil +} + +// Next ID: 12 +type GetTlsConfigurationResp_ServerTlsConfiguration struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The certificate chain that the server MUST use for the TLS handshake. + // It's a list of PEM-encoded certificates, ordered from leaf to root, + // excluding the root. + CertificateChain []string `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"` + // The minimum TLS version number that the server MUST use for the TLS + // handshake. If this field is not provided, the server MUST use the default + // minimum version of the server's TLS library. + MinTlsVersion common_go_proto.TLSVersion `protobuf:"varint,2,opt,name=min_tls_version,json=minTlsVersion,proto3,enum=s2a.proto.v2.TLSVersion" json:"min_tls_version,omitempty"` + // The maximum TLS version number that the server MUST use for the TLS + // handshake. If this field is not provided, the server MUST use the default + // maximum version of the server's TLS library. + MaxTlsVersion common_go_proto.TLSVersion `protobuf:"varint,3,opt,name=max_tls_version,json=maxTlsVersion,proto3,enum=s2a.proto.v2.TLSVersion" json:"max_tls_version,omitempty"` + // The ordered list of TLS 1.0-1.2 ciphersuites that the server MAY offer to + // negotiate in the TLS handshake. + Ciphersuites []common_go_proto.Ciphersuite `protobuf:"varint,10,rep,packed,name=ciphersuites,proto3,enum=s2a.proto.v2.Ciphersuite" json:"ciphersuites,omitempty"` + // Whether to enable TLS resumption. + TlsResumptionEnabled bool `protobuf:"varint,6,opt,name=tls_resumption_enabled,json=tlsResumptionEnabled,proto3" json:"tls_resumption_enabled,omitempty"` + // Whether the server MUST request a client certificate (i.e. to negotiate + // TLS vs. mTLS). + RequestClientCertificate GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate `protobuf:"varint,7,opt,name=request_client_certificate,json=requestClientCertificate,proto3,enum=s2a.proto.v2.GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate" json:"request_client_certificate,omitempty"` + // Returns the maximum number of extra bytes that + // |OffloadResumptionKeyOperation| can add to the number of unencrypted + // bytes to form the encrypted bytes. + MaxOverheadOfTicketAead uint32 `protobuf:"varint,9,opt,name=max_overhead_of_ticket_aead,json=maxOverheadOfTicketAead,proto3" json:"max_overhead_of_ticket_aead,omitempty"` + // The policy that dictates how the server negotiates ALPN during the TLS + // handshake. + AlpnPolicy *AlpnPolicy `protobuf:"bytes,11,opt,name=alpn_policy,json=alpnPolicy,proto3" json:"alpn_policy,omitempty"` +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) Reset() { + *x = GetTlsConfigurationResp_ServerTlsConfiguration{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[14] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GetTlsConfigurationResp_ServerTlsConfiguration) ProtoMessage() {} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[14] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use GetTlsConfigurationResp_ServerTlsConfiguration.ProtoReflect.Descriptor instead. +func (*GetTlsConfigurationResp_ServerTlsConfiguration) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{4, 1} +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetCertificateChain() []string { + if x != nil { + return x.CertificateChain + } + return nil +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetMinTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MinTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetMaxTlsVersion() common_go_proto.TLSVersion { + if x != nil { + return x.MaxTlsVersion + } + return common_go_proto.TLSVersion(0) +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetCiphersuites() []common_go_proto.Ciphersuite { + if x != nil { + return x.Ciphersuites + } + return nil +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetTlsResumptionEnabled() bool { + if x != nil { + return x.TlsResumptionEnabled + } + return false +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetRequestClientCertificate() GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate { + if x != nil { + return x.RequestClientCertificate + } + return GetTlsConfigurationResp_ServerTlsConfiguration_UNSPECIFIED +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetMaxOverheadOfTicketAead() uint32 { + if x != nil { + return x.MaxOverheadOfTicketAead + } + return 0 +} + +func (x *GetTlsConfigurationResp_ServerTlsConfiguration) GetAlpnPolicy() *AlpnPolicy { + if x != nil { + return x.AlpnPolicy + } + return nil +} + +type ValidatePeerCertificateChainReq_ClientPeer struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The certificate chain to be verified. The chain MUST be a list of + // DER-encoded certificates, ordered from leaf to root, excluding the root. + CertificateChain [][]byte `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"` +} + +func (x *ValidatePeerCertificateChainReq_ClientPeer) Reset() { + *x = ValidatePeerCertificateChainReq_ClientPeer{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[15] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ValidatePeerCertificateChainReq_ClientPeer) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ValidatePeerCertificateChainReq_ClientPeer) ProtoMessage() {} + +func (x *ValidatePeerCertificateChainReq_ClientPeer) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[15] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ValidatePeerCertificateChainReq_ClientPeer.ProtoReflect.Descriptor instead. +func (*ValidatePeerCertificateChainReq_ClientPeer) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{9, 0} +} + +func (x *ValidatePeerCertificateChainReq_ClientPeer) GetCertificateChain() [][]byte { + if x != nil { + return x.CertificateChain + } + return nil +} + +type ValidatePeerCertificateChainReq_ServerPeer struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The certificate chain to be verified. The chain MUST be a list of + // DER-encoded certificates, ordered from leaf to root, excluding the root. + CertificateChain [][]byte `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"` + // The expected hostname of the server. + ServerHostname string `protobuf:"bytes,2,opt,name=server_hostname,json=serverHostname,proto3" json:"server_hostname,omitempty"` + // The UnrestrictedClientPolicy specified by the user. + SerializedUnrestrictedClientPolicy []byte `protobuf:"bytes,3,opt,name=serialized_unrestricted_client_policy,json=serializedUnrestrictedClientPolicy,proto3" json:"serialized_unrestricted_client_policy,omitempty"` +} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) Reset() { + *x = ValidatePeerCertificateChainReq_ServerPeer{} + if protoimpl.UnsafeEnabled { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[16] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ValidatePeerCertificateChainReq_ServerPeer) ProtoMessage() {} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) ProtoReflect() protoreflect.Message { + mi := &file_internal_proto_v2_s2a_s2a_proto_msgTypes[16] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ValidatePeerCertificateChainReq_ServerPeer.ProtoReflect.Descriptor instead. +func (*ValidatePeerCertificateChainReq_ServerPeer) Descriptor() ([]byte, []int) { + return file_internal_proto_v2_s2a_s2a_proto_rawDescGZIP(), []int{9, 1} +} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) GetCertificateChain() [][]byte { + if x != nil { + return x.CertificateChain + } + return nil +} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) GetServerHostname() string { + if x != nil { + return x.ServerHostname + } + return "" +} + +func (x *ValidatePeerCertificateChainReq_ServerPeer) GetSerializedUnrestrictedClientPolicy() []byte { + if x != nil { + return x.SerializedUnrestrictedClientPolicy + } + return nil +} + +var File_internal_proto_v2_s2a_s2a_proto protoreflect.FileDescriptor + +var file_internal_proto_v2_s2a_s2a_proto_rawDesc = []byte{ + 0x0a, 0x1f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, + 0x2f, 0x76, 0x32, 0x2f, 0x73, 0x32, 0x61, 0x2f, 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, + 0x6f, 0x12, 0x0c, 0x73, 0x32, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x76, 0x32, 0x1a, + 0x22, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, + 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, + 0x6f, 0x74, 0x6f, 0x1a, 0x25, 0x69, 0x6e, 0x74, 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(SignatureAlgorithm)(0), // 0: s2a.proto.v2.SignatureAlgorithm + (GetTlsConfigurationResp_ServerTlsConfiguration_RequestClientCertificate)(0), // 1: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.RequestClientCertificate + (OffloadPrivateKeyOperationReq_PrivateKeyOperation)(0), // 2: s2a.proto.v2.OffloadPrivateKeyOperationReq.PrivateKeyOperation + (OffloadResumptionKeyOperationReq_ResumptionKeyOperation)(0), // 3: s2a.proto.v2.OffloadResumptionKeyOperationReq.ResumptionKeyOperation + (ValidatePeerCertificateChainReq_VerificationMode)(0), // 4: s2a.proto.v2.ValidatePeerCertificateChainReq.VerificationMode + (ValidatePeerCertificateChainResp_ValidationResult)(0), // 5: s2a.proto.v2.ValidatePeerCertificateChainResp.ValidationResult + (*AlpnPolicy)(nil), // 6: s2a.proto.v2.AlpnPolicy + (*AuthenticationMechanism)(nil), // 7: s2a.proto.v2.AuthenticationMechanism + (*Status)(nil), // 8: s2a.proto.v2.Status + (*GetTlsConfigurationReq)(nil), // 9: s2a.proto.v2.GetTlsConfigurationReq + (*GetTlsConfigurationResp)(nil), // 10: s2a.proto.v2.GetTlsConfigurationResp + (*OffloadPrivateKeyOperationReq)(nil), // 11: s2a.proto.v2.OffloadPrivateKeyOperationReq + (*OffloadPrivateKeyOperationResp)(nil), // 12: s2a.proto.v2.OffloadPrivateKeyOperationResp + (*OffloadResumptionKeyOperationReq)(nil), // 13: s2a.proto.v2.OffloadResumptionKeyOperationReq + (*OffloadResumptionKeyOperationResp)(nil), // 14: s2a.proto.v2.OffloadResumptionKeyOperationResp + (*ValidatePeerCertificateChainReq)(nil), // 15: s2a.proto.v2.ValidatePeerCertificateChainReq + (*ValidatePeerCertificateChainResp)(nil), // 16: s2a.proto.v2.ValidatePeerCertificateChainResp + (*SessionReq)(nil), // 17: s2a.proto.v2.SessionReq + (*SessionResp)(nil), // 18: s2a.proto.v2.SessionResp + (*GetTlsConfigurationResp_ClientTlsConfiguration)(nil), // 19: s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration + (*GetTlsConfigurationResp_ServerTlsConfiguration)(nil), // 20: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration + (*ValidatePeerCertificateChainReq_ClientPeer)(nil), // 21: s2a.proto.v2.ValidatePeerCertificateChainReq.ClientPeer + (*ValidatePeerCertificateChainReq_ServerPeer)(nil), // 22: s2a.proto.v2.ValidatePeerCertificateChainReq.ServerPeer + (common_go_proto.AlpnProtocol)(0), // 23: s2a.proto.v2.AlpnProtocol + (*common_go_proto1.Identity)(nil), // 24: s2a.proto.Identity + (common_go_proto.ConnectionSide)(0), // 25: s2a.proto.v2.ConnectionSide + (*s2a_context_go_proto.S2AContext)(nil), // 26: s2a.proto.v2.S2AContext + (common_go_proto.TLSVersion)(0), // 27: s2a.proto.v2.TLSVersion + (common_go_proto.Ciphersuite)(0), // 28: s2a.proto.v2.Ciphersuite +} +var file_internal_proto_v2_s2a_s2a_proto_depIdxs = []int32{ + 23, // 0: s2a.proto.v2.AlpnPolicy.alpn_protocols:type_name -> s2a.proto.v2.AlpnProtocol + 24, // 1: s2a.proto.v2.AuthenticationMechanism.identity:type_name -> s2a.proto.Identity + 25, // 2: s2a.proto.v2.GetTlsConfigurationReq.connection_side:type_name -> s2a.proto.v2.ConnectionSide + 19, // 3: s2a.proto.v2.GetTlsConfigurationResp.client_tls_configuration:type_name -> s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration + 20, // 4: s2a.proto.v2.GetTlsConfigurationResp.server_tls_configuration:type_name -> s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration + 2, // 5: s2a.proto.v2.OffloadPrivateKeyOperationReq.operation:type_name -> s2a.proto.v2.OffloadPrivateKeyOperationReq.PrivateKeyOperation + 0, // 6: s2a.proto.v2.OffloadPrivateKeyOperationReq.signature_algorithm:type_name -> s2a.proto.v2.SignatureAlgorithm + 3, // 7: s2a.proto.v2.OffloadResumptionKeyOperationReq.operation:type_name -> s2a.proto.v2.OffloadResumptionKeyOperationReq.ResumptionKeyOperation + 4, // 8: s2a.proto.v2.ValidatePeerCertificateChainReq.mode:type_name -> s2a.proto.v2.ValidatePeerCertificateChainReq.VerificationMode + 21, // 9: s2a.proto.v2.ValidatePeerCertificateChainReq.client_peer:type_name -> s2a.proto.v2.ValidatePeerCertificateChainReq.ClientPeer + 22, // 10: s2a.proto.v2.ValidatePeerCertificateChainReq.server_peer:type_name -> s2a.proto.v2.ValidatePeerCertificateChainReq.ServerPeer + 5, // 11: s2a.proto.v2.ValidatePeerCertificateChainResp.validation_result:type_name -> s2a.proto.v2.ValidatePeerCertificateChainResp.ValidationResult + 26, // 12: s2a.proto.v2.ValidatePeerCertificateChainResp.context:type_name -> s2a.proto.v2.S2AContext + 24, // 13: s2a.proto.v2.SessionReq.local_identity:type_name -> s2a.proto.Identity + 7, // 14: s2a.proto.v2.SessionReq.authentication_mechanisms:type_name -> s2a.proto.v2.AuthenticationMechanism + 9, // 15: s2a.proto.v2.SessionReq.get_tls_configuration_req:type_name -> s2a.proto.v2.GetTlsConfigurationReq + 11, // 16: s2a.proto.v2.SessionReq.offload_private_key_operation_req:type_name -> s2a.proto.v2.OffloadPrivateKeyOperationReq + 13, // 17: s2a.proto.v2.SessionReq.offload_resumption_key_operation_req:type_name -> s2a.proto.v2.OffloadResumptionKeyOperationReq + 15, // 18: s2a.proto.v2.SessionReq.validate_peer_certificate_chain_req:type_name -> s2a.proto.v2.ValidatePeerCertificateChainReq + 8, // 19: s2a.proto.v2.SessionResp.status:type_name -> s2a.proto.v2.Status + 10, // 20: s2a.proto.v2.SessionResp.get_tls_configuration_resp:type_name -> s2a.proto.v2.GetTlsConfigurationResp + 12, // 21: s2a.proto.v2.SessionResp.offload_private_key_operation_resp:type_name -> s2a.proto.v2.OffloadPrivateKeyOperationResp + 14, // 22: s2a.proto.v2.SessionResp.offload_resumption_key_operation_resp:type_name -> s2a.proto.v2.OffloadResumptionKeyOperationResp + 16, // 23: s2a.proto.v2.SessionResp.validate_peer_certificate_chain_resp:type_name -> s2a.proto.v2.ValidatePeerCertificateChainResp + 27, // 24: s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration.min_tls_version:type_name -> s2a.proto.v2.TLSVersion + 27, // 25: s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration.max_tls_version:type_name -> s2a.proto.v2.TLSVersion + 28, // 26: s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration.ciphersuites:type_name -> s2a.proto.v2.Ciphersuite + 6, // 27: s2a.proto.v2.GetTlsConfigurationResp.ClientTlsConfiguration.alpn_policy:type_name -> s2a.proto.v2.AlpnPolicy + 27, // 28: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.min_tls_version:type_name -> s2a.proto.v2.TLSVersion + 27, // 29: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.max_tls_version:type_name -> s2a.proto.v2.TLSVersion + 28, // 30: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.ciphersuites:type_name -> s2a.proto.v2.Ciphersuite + 1, // 31: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.request_client_certificate:type_name -> s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.RequestClientCertificate + 6, // 32: s2a.proto.v2.GetTlsConfigurationResp.ServerTlsConfiguration.alpn_policy:type_name -> s2a.proto.v2.AlpnPolicy + 17, // 33: s2a.proto.v2.S2AService.SetUpSession:input_type -> s2a.proto.v2.SessionReq + 18, // 34: s2a.proto.v2.S2AService.SetUpSession:output_type -> s2a.proto.v2.SessionResp + 34, // [34:35] is the sub-list for method output_type + 33, // [33:34] is the sub-list for method input_type + 33, // [33:33] is the sub-list for extension type_name + 33, // [33:33] is the sub-list for extension extendee + 0, // [0:33] is the sub-list for field type_name +} + +func init() { file_internal_proto_v2_s2a_s2a_proto_init() } +func file_internal_proto_v2_s2a_s2a_proto_init() { + if File_internal_proto_v2_s2a_s2a_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_internal_proto_v2_s2a_s2a_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*AlpnPolicy); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*AuthenticationMechanism); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Status); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GetTlsConfigurationReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GetTlsConfigurationResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*OffloadPrivateKeyOperationReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*OffloadPrivateKeyOperationResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*OffloadResumptionKeyOperationReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*OffloadResumptionKeyOperationResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ValidatePeerCertificateChainReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ValidatePeerCertificateChainResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionReq); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SessionResp); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GetTlsConfigurationResp_ClientTlsConfiguration); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GetTlsConfigurationResp_ServerTlsConfiguration); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ValidatePeerCertificateChainReq_ClientPeer); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ValidatePeerCertificateChainReq_ServerPeer); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[1].OneofWrappers = []interface{}{ + (*AuthenticationMechanism_Token)(nil), + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[4].OneofWrappers = []interface{}{ + (*GetTlsConfigurationResp_ClientTlsConfiguration_)(nil), + (*GetTlsConfigurationResp_ServerTlsConfiguration_)(nil), + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[5].OneofWrappers = []interface{}{ + (*OffloadPrivateKeyOperationReq_RawBytes)(nil), + (*OffloadPrivateKeyOperationReq_Sha256Digest)(nil), + (*OffloadPrivateKeyOperationReq_Sha384Digest)(nil), + (*OffloadPrivateKeyOperationReq_Sha512Digest)(nil), + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[9].OneofWrappers = []interface{}{ + (*ValidatePeerCertificateChainReq_ClientPeer_)(nil), + (*ValidatePeerCertificateChainReq_ServerPeer_)(nil), + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[11].OneofWrappers = []interface{}{ + (*SessionReq_GetTlsConfigurationReq)(nil), + (*SessionReq_OffloadPrivateKeyOperationReq)(nil), + (*SessionReq_OffloadResumptionKeyOperationReq)(nil), + (*SessionReq_ValidatePeerCertificateChainReq)(nil), + } + file_internal_proto_v2_s2a_s2a_proto_msgTypes[12].OneofWrappers = []interface{}{ + (*SessionResp_GetTlsConfigurationResp)(nil), + (*SessionResp_OffloadPrivateKeyOperationResp)(nil), + (*SessionResp_OffloadResumptionKeyOperationResp)(nil), + (*SessionResp_ValidatePeerCertificateChainResp)(nil), + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_internal_proto_v2_s2a_s2a_proto_rawDesc, + NumEnums: 6, + NumMessages: 17, + NumExtensions: 0, + NumServices: 1, + }, + GoTypes: file_internal_proto_v2_s2a_s2a_proto_goTypes, + DependencyIndexes: file_internal_proto_v2_s2a_s2a_proto_depIdxs, + EnumInfos: file_internal_proto_v2_s2a_s2a_proto_enumTypes, + MessageInfos: file_internal_proto_v2_s2a_s2a_proto_msgTypes, + }.Build() + File_internal_proto_v2_s2a_s2a_proto = out.File + file_internal_proto_v2_s2a_s2a_proto_rawDesc = nil + file_internal_proto_v2_s2a_s2a_proto_goTypes = nil + file_internal_proto_v2_s2a_s2a_proto_depIdxs = nil +} diff --git a/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a_grpc.pb.go b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a_grpc.pb.go new file mode 100644 index 000000000..2566df6c3 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/proto/v2/s2a_go_proto/s2a_grpc.pb.go @@ -0,0 +1,159 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by protoc-gen-go-grpc. DO NOT EDIT. +// versions: +// - protoc-gen-go-grpc v1.3.0 +// - protoc v3.21.12 +// source: internal/proto/v2/s2a/s2a.proto + +package s2a_go_proto + +import ( + context "context" + grpc "google.golang.org/grpc" + codes "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" +) + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the grpc package it is being compiled against. +// Requires gRPC-Go v1.32.0 or later. +const _ = grpc.SupportPackageIsVersion7 + +const ( + S2AService_SetUpSession_FullMethodName = "/s2a.proto.v2.S2AService/SetUpSession" +) + +// S2AServiceClient is the client API for S2AService service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream. +type S2AServiceClient interface { + // SetUpSession is a bidirectional stream used by applications to offload + // operations from the TLS handshake. + SetUpSession(ctx context.Context, opts ...grpc.CallOption) (S2AService_SetUpSessionClient, error) +} + +type s2AServiceClient struct { + cc grpc.ClientConnInterface +} + +func NewS2AServiceClient(cc grpc.ClientConnInterface) S2AServiceClient { + return &s2AServiceClient{cc} +} + +func (c *s2AServiceClient) SetUpSession(ctx context.Context, opts ...grpc.CallOption) (S2AService_SetUpSessionClient, error) { + stream, err := c.cc.NewStream(ctx, &S2AService_ServiceDesc.Streams[0], S2AService_SetUpSession_FullMethodName, opts...) + if err != nil { + return nil, err + } + x := &s2AServiceSetUpSessionClient{stream} + return x, nil +} + +type S2AService_SetUpSessionClient interface { + Send(*SessionReq) error + Recv() (*SessionResp, error) + grpc.ClientStream +} + +type s2AServiceSetUpSessionClient struct { + grpc.ClientStream +} + +func (x *s2AServiceSetUpSessionClient) Send(m *SessionReq) error { + return x.ClientStream.SendMsg(m) +} + +func (x *s2AServiceSetUpSessionClient) Recv() (*SessionResp, error) { + m := new(SessionResp) + if err := x.ClientStream.RecvMsg(m); err != nil { + return nil, err + } + return m, nil +} + +// S2AServiceServer is the server API for S2AService service. +// All implementations must embed UnimplementedS2AServiceServer +// for forward compatibility +type S2AServiceServer interface { + // SetUpSession is a bidirectional stream used by applications to offload + // operations from the TLS handshake. + SetUpSession(S2AService_SetUpSessionServer) error + mustEmbedUnimplementedS2AServiceServer() +} + +// UnimplementedS2AServiceServer must be embedded to have forward compatible implementations. +type UnimplementedS2AServiceServer struct { +} + +func (UnimplementedS2AServiceServer) SetUpSession(S2AService_SetUpSessionServer) error { + return status.Errorf(codes.Unimplemented, "method SetUpSession not implemented") +} +func (UnimplementedS2AServiceServer) mustEmbedUnimplementedS2AServiceServer() {} + +// UnsafeS2AServiceServer may be embedded to opt out of forward compatibility for this service. +// Use of this interface is not recommended, as added methods to S2AServiceServer will +// result in compilation errors. +type UnsafeS2AServiceServer interface { + mustEmbedUnimplementedS2AServiceServer() +} + +func RegisterS2AServiceServer(s grpc.ServiceRegistrar, srv S2AServiceServer) { + s.RegisterService(&S2AService_ServiceDesc, srv) +} + +func _S2AService_SetUpSession_Handler(srv interface{}, stream grpc.ServerStream) error { + return srv.(S2AServiceServer).SetUpSession(&s2AServiceSetUpSessionServer{stream}) +} + +type S2AService_SetUpSessionServer interface { + Send(*SessionResp) error + Recv() (*SessionReq, error) + grpc.ServerStream +} + +type s2AServiceSetUpSessionServer struct { + grpc.ServerStream +} + +func (x *s2AServiceSetUpSessionServer) Send(m *SessionResp) error { + return x.ServerStream.SendMsg(m) +} + +func (x *s2AServiceSetUpSessionServer) Recv() (*SessionReq, error) { + m := new(SessionReq) + if err := x.ServerStream.RecvMsg(m); err != nil { + return nil, err + } + return m, nil +} + +// S2AService_ServiceDesc is the grpc.ServiceDesc for S2AService service. +// It's only intended for direct use with grpc.RegisterService, +// and not to be introspected or modified (even as a copy) +var S2AService_ServiceDesc = grpc.ServiceDesc{ + ServiceName: "s2a.proto.v2.S2AService", + HandlerType: (*S2AServiceServer)(nil), + Methods: []grpc.MethodDesc{}, + Streams: []grpc.StreamDesc{ + { + StreamName: "SetUpSession", + Handler: _S2AService_SetUpSession_Handler, + ServerStreams: true, + ClientStreams: true, + }, + }, + Metadata: "internal/proto/v2/s2a/s2a.proto", +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aeadcrypter.go b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aeadcrypter.go new file mode 100644 index 000000000..486f4ec4f --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aeadcrypter.go @@ -0,0 +1,34 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package aeadcrypter provides the interface for AEAD cipher implementations +// used by S2A's record protocol. +package aeadcrypter + +// S2AAEADCrypter is the interface for an AEAD cipher used by the S2A record +// protocol. +type S2AAEADCrypter interface { + // Encrypt encrypts the plaintext and computes the tag of dst and plaintext. + // dst and plaintext may fully overlap or not at all. + Encrypt(dst, plaintext, nonce, aad []byte) ([]byte, error) + // Decrypt decrypts ciphertext and verifies the tag. dst and ciphertext may + // fully overlap or not at all. + Decrypt(dst, ciphertext, nonce, aad []byte) ([]byte, error) + // TagSize returns the tag size in bytes. + TagSize() int +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aesgcm.go b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aesgcm.go new file mode 100644 index 000000000..85c4e595d --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/aesgcm.go @@ -0,0 +1,70 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package aeadcrypter + +import ( + "crypto/aes" + "crypto/cipher" + "fmt" +) + +// Supported key sizes in bytes. +const ( + AES128GCMKeySize = 16 + AES256GCMKeySize = 32 +) + +// aesgcm is the struct that holds an AES-GCM cipher for the S2A AEAD crypter. +type aesgcm struct { + aead cipher.AEAD +} + +// NewAESGCM creates an AES-GCM crypter instance. Note that the key must be +// either 128 bits or 256 bits. +func NewAESGCM(key []byte) (S2AAEADCrypter, error) { + if len(key) != AES128GCMKeySize && len(key) != AES256GCMKeySize { + return nil, fmt.Errorf("%d or %d bytes, given: %d", AES128GCMKeySize, AES256GCMKeySize, len(key)) + } + c, err := aes.NewCipher(key) + if err != nil { + return nil, err + } + a, err := cipher.NewGCM(c) + if err != nil { + return nil, err + } + return &aesgcm{aead: a}, nil +} + +// Encrypt is the encryption function. dst can contain bytes at the beginning of +// the ciphertext that will not be encrypted but will be authenticated. If dst +// has enough capacity to hold these bytes, the ciphertext and the tag, no +// allocation and copy operations will be performed. dst and plaintext may +// fully overlap or not at all. +func (s *aesgcm) Encrypt(dst, plaintext, nonce, aad []byte) ([]byte, error) { + return encrypt(s.aead, dst, plaintext, nonce, aad) +} + +func (s *aesgcm) Decrypt(dst, ciphertext, nonce, aad []byte) ([]byte, error) { + return decrypt(s.aead, dst, ciphertext, nonce, aad) +} + +func (s *aesgcm) TagSize() int { + return TagSize +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/chachapoly.go b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/chachapoly.go new file mode 100644 index 000000000..214df4ca4 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/chachapoly.go @@ -0,0 +1,67 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package aeadcrypter + +import ( + "crypto/cipher" + "fmt" + + "golang.org/x/crypto/chacha20poly1305" +) + +// Supported key size in bytes. +const ( + Chacha20Poly1305KeySize = 32 +) + +// chachapoly is the struct that holds a CHACHA-POLY cipher for the S2A AEAD +// crypter. +type chachapoly struct { + aead cipher.AEAD +} + +// NewChachaPoly creates a Chacha-Poly crypter instance. Note that the key must +// be Chacha20Poly1305KeySize bytes in length. +func NewChachaPoly(key []byte) (S2AAEADCrypter, error) { + if len(key) != Chacha20Poly1305KeySize { + return nil, fmt.Errorf("%d bytes, given: %d", Chacha20Poly1305KeySize, len(key)) + } + c, err := chacha20poly1305.New(key) + if err != nil { + return nil, err + } + return &chachapoly{aead: c}, nil +} + +// Encrypt is the encryption function. dst can contain bytes at the beginning of +// the ciphertext that will not be encrypted but will be authenticated. If dst +// has enough capacity to hold these bytes, the ciphertext and the tag, no +// allocation and copy operations will be performed. dst and plaintext may +// fully overlap or not at all. +func (s *chachapoly) Encrypt(dst, plaintext, nonce, aad []byte) ([]byte, error) { + return encrypt(s.aead, dst, plaintext, nonce, aad) +} + +func (s *chachapoly) Decrypt(dst, ciphertext, nonce, aad []byte) ([]byte, error) { + return decrypt(s.aead, dst, ciphertext, nonce, aad) +} + +func (s *chachapoly) TagSize() int { + return TagSize +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/common.go b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/common.go new file mode 100644 index 000000000..b3c36ad95 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/aeadcrypter/common.go @@ -0,0 +1,92 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package aeadcrypter + +import ( + "crypto/cipher" + "fmt" +) + +const ( + // TagSize is the tag size in bytes for AES-128-GCM-SHA256, + // AES-256-GCM-SHA384, and CHACHA20-POLY1305-SHA256. + TagSize = 16 + // NonceSize is the size of the nonce in number of bytes for + // AES-128-GCM-SHA256, AES-256-GCM-SHA384, and CHACHA20-POLY1305-SHA256. + NonceSize = 12 + // SHA256DigestSize is the digest size of sha256 in bytes. + SHA256DigestSize = 32 + // SHA384DigestSize is the digest size of sha384 in bytes. + SHA384DigestSize = 48 +) + +// sliceForAppend takes a slice and a requested number of bytes. It returns a +// slice with the contents of the given slice followed by that many bytes and a +// second slice that aliases into it and contains only the extra bytes. If the +// original slice has sufficient capacity then no allocation is performed. +func sliceForAppend(in []byte, n int) (head, tail []byte) { + if total := len(in) + n; cap(in) >= total { + head = in[:total] + } else { + head = make([]byte, total) + copy(head, in) + } + tail = head[len(in):] + return head, tail +} + +// encrypt is the encryption function for an AEAD crypter. aead determines +// the type of AEAD crypter. dst can contain bytes at the beginning of the +// ciphertext that will not be encrypted but will be authenticated. If dst has +// enough capacity to hold these bytes, the ciphertext and the tag, no +// allocation and copy operations will be performed. dst and plaintext may +// fully overlap or not at all. +func encrypt(aead cipher.AEAD, dst, plaintext, nonce, aad []byte) ([]byte, error) { + if len(nonce) != NonceSize { + return nil, fmt.Errorf("nonce size must be %d bytes. received: %d", NonceSize, len(nonce)) + } + // If we need to allocate an output buffer, we want to include space for + // the tag to avoid forcing the caller to reallocate as well. + dlen := len(dst) + dst, out := sliceForAppend(dst, len(plaintext)+TagSize) + data := out[:len(plaintext)] + copy(data, plaintext) // data may fully overlap plaintext + + // Seal appends the ciphertext and the tag to its first argument and + // returns the updated slice. However, sliceForAppend above ensures that + // dst has enough capacity to avoid a reallocation and copy due to the + // append. + dst = aead.Seal(dst[:dlen], nonce, data, aad) + return dst, nil +} + +// decrypt is the decryption function for an AEAD crypter, where aead determines +// the type of AEAD crypter, and dst the destination bytes for the decrypted +// ciphertext. The dst buffer may fully overlap with plaintext or not at all. +func decrypt(aead cipher.AEAD, dst, ciphertext, nonce, aad []byte) ([]byte, error) { + if len(nonce) != NonceSize { + return nil, fmt.Errorf("nonce size must be %d bytes. received: %d", NonceSize, len(nonce)) + } + // If dst is equal to ciphertext[:0], ciphertext storage is reused. + plaintext, err := aead.Open(dst, nonce, ciphertext, aad) + if err != nil { + return nil, fmt.Errorf("message auth failed: %v", err) + } + return plaintext, nil +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/ciphersuite.go b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/ciphersuite.go new file mode 100644 index 000000000..ddeaa6d77 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/ciphersuite.go @@ -0,0 +1,98 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package halfconn + +import ( + "crypto/sha256" + "crypto/sha512" + "fmt" + "hash" + + s2apb "github.com/google/s2a-go/internal/proto/common_go_proto" + "github.com/google/s2a-go/internal/record/internal/aeadcrypter" +) + +// ciphersuite is the interface for retrieving ciphersuite-specific information +// and utilities. +type ciphersuite interface { + // keySize returns the key size in bytes. This refers to the key used by + // the AEAD crypter. This is derived by calling HKDF expand on the traffic + // secret. + keySize() int + // nonceSize returns the nonce size in bytes. + nonceSize() int + // trafficSecretSize returns the traffic secret size in bytes. This refers + // to the secret used to derive the traffic key and nonce, as specified in + // https://tools.ietf.org/html/rfc8446#section-7. + trafficSecretSize() int + // hashFunction returns the hash function for the ciphersuite. + hashFunction() func() hash.Hash + // aeadCrypter takes a key and creates an AEAD crypter for the ciphersuite + // using that key. + aeadCrypter(key []byte) (aeadcrypter.S2AAEADCrypter, error) +} + +func newCiphersuite(ciphersuite s2apb.Ciphersuite) (ciphersuite, error) { + switch ciphersuite { + case s2apb.Ciphersuite_AES_128_GCM_SHA256: + return &aesgcm128sha256{}, nil + case s2apb.Ciphersuite_AES_256_GCM_SHA384: + return &aesgcm256sha384{}, nil + case s2apb.Ciphersuite_CHACHA20_POLY1305_SHA256: + return &chachapolysha256{}, nil + default: + return nil, fmt.Errorf("unrecognized ciphersuite: %v", ciphersuite) + } +} + +// aesgcm128sha256 is the AES-128-GCM-SHA256 implementation of the ciphersuite +// interface. +type aesgcm128sha256 struct{} + +func (aesgcm128sha256) keySize() int { return aeadcrypter.AES128GCMKeySize } +func (aesgcm128sha256) nonceSize() int { return aeadcrypter.NonceSize } +func (aesgcm128sha256) trafficSecretSize() int { return aeadcrypter.SHA256DigestSize } +func (aesgcm128sha256) hashFunction() func() hash.Hash { return sha256.New } +func (aesgcm128sha256) aeadCrypter(key []byte) (aeadcrypter.S2AAEADCrypter, error) { + return aeadcrypter.NewAESGCM(key) +} + +// aesgcm256sha384 is the AES-256-GCM-SHA384 implementation of the ciphersuite +// interface. +type aesgcm256sha384 struct{} + +func (aesgcm256sha384) keySize() int { return aeadcrypter.AES256GCMKeySize } +func (aesgcm256sha384) nonceSize() int { return aeadcrypter.NonceSize } +func (aesgcm256sha384) trafficSecretSize() int { return aeadcrypter.SHA384DigestSize } +func (aesgcm256sha384) hashFunction() func() hash.Hash { return sha512.New384 } +func (aesgcm256sha384) aeadCrypter(key []byte) (aeadcrypter.S2AAEADCrypter, error) { + return aeadcrypter.NewAESGCM(key) +} + +// chachapolysha256 is the ChaChaPoly-SHA256 implementation of the ciphersuite +// interface. +type chachapolysha256 struct{} + +func (chachapolysha256) keySize() int { return aeadcrypter.Chacha20Poly1305KeySize } +func (chachapolysha256) nonceSize() int { return aeadcrypter.NonceSize } +func (chachapolysha256) trafficSecretSize() int { return aeadcrypter.SHA256DigestSize } +func (chachapolysha256) hashFunction() func() hash.Hash { return sha256.New } +func (chachapolysha256) aeadCrypter(key []byte) (aeadcrypter.S2AAEADCrypter, error) { + return aeadcrypter.NewChachaPoly(key) +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/counter.go b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/counter.go new file mode 100644 index 000000000..9499cdca7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/counter.go @@ -0,0 +1,60 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package halfconn + +import "errors" + +// counter is a 64-bit counter. +type counter struct { + val uint64 + hasOverflowed bool +} + +// newCounter creates a new counter with the initial value set to val. +func newCounter(val uint64) counter { + return counter{val: val} +} + +// value returns the current value of the counter. +func (c *counter) value() (uint64, error) { + if c.hasOverflowed { + return 0, errors.New("counter has overflowed") + } + return c.val, nil +} + +// increment increments the counter and checks for overflow. +func (c *counter) increment() { + // If the counter is already invalid due to overflow, there is no need to + // increase it. We check for the hasOverflowed flag in the call to value(). + if c.hasOverflowed { + return + } + c.val++ + if c.val == 0 { + c.hasOverflowed = true + } +} + +// reset sets the counter value to zero and sets the hasOverflowed flag to +// false. +func (c *counter) reset() { + c.val = 0 + c.hasOverflowed = false +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/expander.go b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/expander.go new file mode 100644 index 000000000..e05f2c36a --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/expander.go @@ -0,0 +1,59 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package halfconn + +import ( + "fmt" + "hash" + + "golang.org/x/crypto/hkdf" +) + +// hkdfExpander is the interface for the HKDF expansion function; see +// https://tools.ietf.org/html/rfc5869 for details. its use in TLS 1.3 is +// specified in https://tools.ietf.org/html/rfc8446#section-7.2 +type hkdfExpander interface { + // expand takes a secret, a label, and the output length in bytes, and + // returns the resulting expanded key. + expand(secret, label []byte, length int) ([]byte, error) +} + +// defaultHKDFExpander is the default HKDF expander which uses Go's crypto/hkdf +// for HKDF expansion. +type defaultHKDFExpander struct { + h func() hash.Hash +} + +// newDefaultHKDFExpander creates an instance of the default HKDF expander +// using the given hash function. +func newDefaultHKDFExpander(h func() hash.Hash) hkdfExpander { + return &defaultHKDFExpander{h: h} +} + +func (d *defaultHKDFExpander) expand(secret, label []byte, length int) ([]byte, error) { + outBuf := make([]byte, length) + n, err := hkdf.Expand(d.h, secret, label).Read(outBuf) + if err != nil { + return nil, fmt.Errorf("hkdf.Expand.Read failed with error: %v", err) + } + if n < length { + return nil, fmt.Errorf("hkdf.Expand.Read returned unexpected length, got %d, want %d", n, length) + } + return outBuf, nil +} diff --git a/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/halfconn.go b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/halfconn.go new file mode 100644 index 000000000..dff99ff59 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/internal/halfconn/halfconn.go @@ -0,0 +1,193 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package halfconn manages the inbound or outbound traffic of a TLS 1.3 +// connection. +package halfconn + +import ( + "fmt" + "sync" + + s2apb "github.com/google/s2a-go/internal/proto/common_go_proto" + "github.com/google/s2a-go/internal/record/internal/aeadcrypter" + "golang.org/x/crypto/cryptobyte" +) + +// The constants below were taken from Section 7.2 and 7.3 in +// https://tools.ietf.org/html/rfc8446#section-7. They are used as the label +// in HKDF-Expand-Label. +const ( + tls13Key = "tls13 key" + tls13Nonce = "tls13 iv" + tls13Update = "tls13 traffic upd" +) + +// S2AHalfConnection stores the state of the TLS 1.3 connection in the +// inbound or outbound direction. +type S2AHalfConnection struct { + cs ciphersuite + expander hkdfExpander + // mutex guards sequence, aeadCrypter, trafficSecret, and nonce. + mutex sync.Mutex + aeadCrypter aeadcrypter.S2AAEADCrypter + sequence counter + trafficSecret []byte + nonce []byte +} + +// New creates a new instance of S2AHalfConnection given a ciphersuite and a +// traffic secret. +func New(ciphersuite s2apb.Ciphersuite, trafficSecret []byte, sequence uint64) (*S2AHalfConnection, error) { + cs, err := newCiphersuite(ciphersuite) + if err != nil { + return nil, fmt.Errorf("failed to create new ciphersuite: %v", ciphersuite) + } + if cs.trafficSecretSize() != len(trafficSecret) { + return nil, fmt.Errorf("supplied traffic secret must be %v bytes, given: %v bytes", cs.trafficSecretSize(), len(trafficSecret)) + } + + hc := &S2AHalfConnection{cs: cs, expander: newDefaultHKDFExpander(cs.hashFunction()), sequence: newCounter(sequence), trafficSecret: trafficSecret} + if err = hc.updateCrypterAndNonce(hc.trafficSecret); err != nil { + return nil, fmt.Errorf("failed to create half connection using traffic secret: %v", err) + } + + return hc, nil +} + +// Encrypt encrypts the plaintext and computes the tag of dst and plaintext. +// dst and plaintext may fully overlap or not at all. Note that the sequence +// number will still be incremented on failure, unless the sequence has +// overflowed. +func (hc *S2AHalfConnection) Encrypt(dst, plaintext, aad []byte) ([]byte, error) { + hc.mutex.Lock() + sequence, err := hc.getAndIncrementSequence() + if err != nil { + hc.mutex.Unlock() + return nil, err + } + nonce := hc.maskedNonce(sequence) + crypter := hc.aeadCrypter + hc.mutex.Unlock() + return crypter.Encrypt(dst, plaintext, nonce, aad) +} + +// Decrypt decrypts ciphertext and verifies the tag. dst and ciphertext may +// fully overlap or not at all. Note that the sequence number will still be +// incremented on failure, unless the sequence has overflowed. +func (hc *S2AHalfConnection) Decrypt(dst, ciphertext, aad []byte) ([]byte, error) { + hc.mutex.Lock() + sequence, err := hc.getAndIncrementSequence() + if err != nil { + hc.mutex.Unlock() + return nil, err + } + nonce := hc.maskedNonce(sequence) + crypter := hc.aeadCrypter + hc.mutex.Unlock() + return crypter.Decrypt(dst, ciphertext, nonce, aad) +} + +// UpdateKey advances the traffic secret key, as specified in +// https://tools.ietf.org/html/rfc8446#section-7.2. In addition, it derives +// a new key and nonce, and resets the sequence number. +func (hc *S2AHalfConnection) UpdateKey() error { + hc.mutex.Lock() + defer hc.mutex.Unlock() + + var err error + hc.trafficSecret, err = hc.deriveSecret(hc.trafficSecret, []byte(tls13Update), hc.cs.trafficSecretSize()) + if err != nil { + return fmt.Errorf("failed to derive traffic secret: %v", err) + } + + if err = hc.updateCrypterAndNonce(hc.trafficSecret); err != nil { + return fmt.Errorf("failed to update half connection: %v", err) + } + + hc.sequence.reset() + return nil +} + +// TagSize returns the tag size in bytes of the underlying AEAD crypter. +func (hc *S2AHalfConnection) TagSize() int { + return hc.aeadCrypter.TagSize() +} + +// updateCrypterAndNonce takes a new traffic secret and updates the crypter +// and nonce. Note that the mutex must be held while calling this function. +func (hc *S2AHalfConnection) updateCrypterAndNonce(newTrafficSecret []byte) error { + key, err := hc.deriveSecret(newTrafficSecret, []byte(tls13Key), hc.cs.keySize()) + if err != nil { + return fmt.Errorf("failed to update key: %v", err) + } + + hc.nonce, err = hc.deriveSecret(newTrafficSecret, []byte(tls13Nonce), hc.cs.nonceSize()) + if err != nil { + return fmt.Errorf("failed to update nonce: %v", err) + } + + hc.aeadCrypter, err = hc.cs.aeadCrypter(key) + if err != nil { + return fmt.Errorf("failed to update AEAD crypter: %v", err) + } + return nil +} + +// getAndIncrement returns the current sequence number and increments it. Note +// that the mutex must be held while calling this function. +func (hc *S2AHalfConnection) getAndIncrementSequence() (uint64, error) { + sequence, err := hc.sequence.value() + if err != nil { + return 0, err + } + hc.sequence.increment() + return sequence, nil +} + +// maskedNonce creates a copy of the nonce that is masked with the sequence +// number. Note that the mutex must be held while calling this function. +func (hc *S2AHalfConnection) maskedNonce(sequence uint64) []byte { + const uint64Size = 8 + nonce := make([]byte, len(hc.nonce)) + copy(nonce, hc.nonce) + for i := 0; i < uint64Size; i++ { + nonce[aeadcrypter.NonceSize-uint64Size+i] ^= byte(sequence >> uint64(56-uint64Size*i)) + } + return nonce +} + +// deriveSecret implements the Derive-Secret function, as specified in +// https://tools.ietf.org/html/rfc8446#section-7.1. +func (hc *S2AHalfConnection) deriveSecret(secret, label []byte, length int) ([]byte, error) { + var hkdfLabel cryptobyte.Builder + hkdfLabel.AddUint16(uint16(length)) + hkdfLabel.AddUint8LengthPrefixed(func(b *cryptobyte.Builder) { + b.AddBytes(label) + }) + // Append an empty `Context` field to the label, as specified in the RFC. + // The half connection does not use the `Context` field. + hkdfLabel.AddUint8LengthPrefixed(func(b *cryptobyte.Builder) { + b.AddBytes([]byte("")) + }) + hkdfLabelBytes, err := hkdfLabel.Bytes() + if err != nil { + return nil, fmt.Errorf("deriveSecret failed: %v", err) + } + return hc.expander.expand(secret, hkdfLabelBytes, length) +} diff --git a/vendor/github.com/google/s2a-go/internal/record/record.go b/vendor/github.com/google/s2a-go/internal/record/record.go new file mode 100644 index 000000000..c60515510 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/record.go @@ -0,0 +1,757 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package record implements the TLS 1.3 record protocol used by the S2A +// transport credentials. +package record + +import ( + "encoding/binary" + "errors" + "fmt" + "math" + "net" + "sync" + + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + "github.com/google/s2a-go/internal/record/internal/halfconn" + "github.com/google/s2a-go/internal/tokenmanager" + "google.golang.org/grpc/grpclog" +) + +// recordType is the `ContentType` as described in +// https://tools.ietf.org/html/rfc8446#section-5.1. +type recordType byte + +const ( + alert recordType = 21 + handshake recordType = 22 + applicationData recordType = 23 +) + +// keyUpdateRequest is the `KeyUpdateRequest` as described in +// https://tools.ietf.org/html/rfc8446#section-4.6.3. +type keyUpdateRequest byte + +const ( + updateNotRequested keyUpdateRequest = 0 + updateRequested keyUpdateRequest = 1 +) + +// alertDescription is the `AlertDescription` as described in +// https://tools.ietf.org/html/rfc8446#section-6. +type alertDescription byte + +const ( + closeNotify alertDescription = 0 +) + +// sessionTicketState is used to determine whether session tickets have not yet +// been received, are in the process of being received, or have finished +// receiving. +type sessionTicketState byte + +const ( + ticketsNotYetReceived sessionTicketState = 0 + receivingTickets sessionTicketState = 1 + notReceivingTickets sessionTicketState = 2 +) + +const ( + // The TLS 1.3-specific constants below (tlsRecordMaxPlaintextSize, + // tlsRecordHeaderSize, tlsRecordTypeSize) were taken from + // https://tools.ietf.org/html/rfc8446#section-5.1. + + // tlsRecordMaxPlaintextSize is the maximum size in bytes of the plaintext + // in a single TLS 1.3 record. + tlsRecordMaxPlaintextSize = 16384 // 2^14 + // tlsRecordTypeSize is the size in bytes of the TLS 1.3 record type. + tlsRecordTypeSize = 1 + // tlsTagSize is the size in bytes of the tag of the following three + // ciphersuites: AES-128-GCM-SHA256, AES-256-GCM-SHA384, + // CHACHA20-POLY1305-SHA256. + tlsTagSize = 16 + // tlsRecordMaxPayloadSize is the maximum size in bytes of the payload in a + // single TLS 1.3 record. This is the maximum size of the plaintext plus the + // record type byte and 16 bytes of the tag. + tlsRecordMaxPayloadSize = tlsRecordMaxPlaintextSize + tlsRecordTypeSize + tlsTagSize + // tlsRecordHeaderTypeSize is the size in bytes of the TLS 1.3 record + // header type. + tlsRecordHeaderTypeSize = 1 + // tlsRecordHeaderLegacyRecordVersionSize is the size in bytes of the TLS + // 1.3 record header legacy record version. + tlsRecordHeaderLegacyRecordVersionSize = 2 + // tlsRecordHeaderPayloadLengthSize is the size in bytes of the TLS 1.3 + // record header payload length. + tlsRecordHeaderPayloadLengthSize = 2 + // tlsRecordHeaderSize is the size in bytes of the TLS 1.3 record header. + tlsRecordHeaderSize = tlsRecordHeaderTypeSize + tlsRecordHeaderLegacyRecordVersionSize + tlsRecordHeaderPayloadLengthSize + // tlsRecordMaxSize + tlsRecordMaxSize = tlsRecordMaxPayloadSize + tlsRecordHeaderSize + // tlsApplicationData is the application data type of the TLS 1.3 record + // header. + tlsApplicationData = 23 + // tlsLegacyRecordVersion is the legacy record version of the TLS record. + tlsLegacyRecordVersion = 3 + // tlsAlertSize is the size in bytes of an alert of TLS 1.3. + tlsAlertSize = 2 +) + +const ( + // These are TLS 1.3 handshake-specific constants. + + // tlsHandshakeNewSessionTicketType is the prefix of a handshake new session + // ticket message of TLS 1.3. + tlsHandshakeNewSessionTicketType = 4 + // tlsHandshakeKeyUpdateType is the prefix of a handshake key update message + // of TLS 1.3. + tlsHandshakeKeyUpdateType = 24 + // tlsHandshakeMsgTypeSize is the size in bytes of the TLS 1.3 handshake + // message type field. + tlsHandshakeMsgTypeSize = 1 + // tlsHandshakeLengthSize is the size in bytes of the TLS 1.3 handshake + // message length field. + tlsHandshakeLengthSize = 3 + // tlsHandshakeKeyUpdateMsgSize is the size in bytes of the TLS 1.3 + // handshake key update message. + tlsHandshakeKeyUpdateMsgSize = 1 + // tlsHandshakePrefixSize is the size in bytes of the prefix of the TLS 1.3 + // handshake message. + tlsHandshakePrefixSize = 4 + // tlsMaxSessionTicketSize is the maximum size of a NewSessionTicket message + // in TLS 1.3. This is the sum of the max sizes of all the fields in the + // NewSessionTicket struct specified in + // https://tools.ietf.org/html/rfc8446#section-4.6.1. + tlsMaxSessionTicketSize = 131338 +) + +const ( + // outBufMaxRecords is the maximum number of records that can fit in the + // ourRecordsBuf buffer. + outBufMaxRecords = 16 + // outBufMaxSize is the maximum size (in bytes) of the outRecordsBuf buffer. + outBufMaxSize = outBufMaxRecords * tlsRecordMaxSize + // maxAllowedTickets is the maximum number of session tickets that are + // allowed. The number of tickets are limited to ensure that the size of the + // ticket queue does not grow indefinitely. S2A also keeps a limit on the + // number of tickets that it caches. + maxAllowedTickets = 5 +) + +// preConstructedKeyUpdateMsg holds the key update message. This is needed as an +// optimization so that the same message does not need to be constructed every +// time a key update message is sent. +var preConstructedKeyUpdateMsg = buildKeyUpdateRequest() + +// conn represents a secured TLS connection. It implements the net.Conn +// interface. +type conn struct { + net.Conn + // inConn is the half connection responsible for decrypting incoming bytes. + inConn *halfconn.S2AHalfConnection + // outConn is the half connection responsible for encrypting outgoing bytes. + outConn *halfconn.S2AHalfConnection + // pendingApplicationData holds data that has been read from the connection + // and decrypted, but has not yet been returned by Read. + pendingApplicationData []byte + // unusedBuf holds data read from the network that has not yet been + // decrypted. This data might not consist of a complete record. It may + // consist of several records, the last of which could be incomplete. + unusedBuf []byte + // outRecordsBuf is a buffer used to store outgoing TLS records before + // they are written to the network. + outRecordsBuf []byte + // nextRecord stores the next record info in the unusedBuf buffer. + nextRecord []byte + // overheadSize is the overhead size in bytes of each TLS 1.3 record, which + // is computed as overheadSize = header size + record type byte + tag size. + // Note that there is no padding by zeros in the overhead calculation. + overheadSize int + // readMutex guards against concurrent calls to Read. This is required since + // Close may be called during a Read. + readMutex sync.Mutex + // writeMutex guards against concurrent calls to Write. This is required + // since Close may be called during a Write, and also because a key update + // message may be written during a Read. + writeMutex sync.Mutex + // handshakeBuf holds handshake messages while they are being processed. + handshakeBuf []byte + // ticketState is the current processing state of the session tickets. + ticketState sessionTicketState + // sessionTickets holds the completed session tickets until they are sent to + // the handshaker service for processing. + sessionTickets [][]byte + // ticketSender sends session tickets to the S2A handshaker service. + ticketSender s2aTicketSender + // callComplete is a channel that blocks closing the record protocol until a + // pending call to the S2A completes. + callComplete chan bool +} + +// ConnParameters holds the parameters used for creating a new conn object. +type ConnParameters struct { + // NetConn is the TCP connection to the peer. This parameter is required. + NetConn net.Conn + // Ciphersuite is the TLS ciphersuite negotiated by the S2A handshaker + // service. This parameter is required. + Ciphersuite commonpb.Ciphersuite + // TLSVersion is the TLS version number negotiated by the S2A handshaker + // service. This parameter is required. + TLSVersion commonpb.TLSVersion + // InTrafficSecret is the traffic secret used to derive the session key for + // the inbound direction. This parameter is required. + InTrafficSecret []byte + // OutTrafficSecret is the traffic secret used to derive the session key + // for the outbound direction. This parameter is required. + OutTrafficSecret []byte + // UnusedBuf is the data read from the network that has not yet been + // decrypted. This parameter is optional. If not provided, then no + // application data was sent in the same flight of messages as the final + // handshake message. + UnusedBuf []byte + // InSequence is the sequence number of the next, incoming, TLS record. + // This parameter is required. + InSequence uint64 + // OutSequence is the sequence number of the next, outgoing, TLS record. + // This parameter is required. + OutSequence uint64 + // HSAddr stores the address of the S2A handshaker service. This parameter + // is optional. If not provided, then TLS resumption is disabled. + HSAddr string + // ConnectionId is the connection identifier that was created and sent by + // S2A at the end of a handshake. + ConnectionID uint64 + // LocalIdentity is the local identity that was used by S2A during session + // setup and included in the session result. + LocalIdentity *commonpb.Identity + // EnsureProcessSessionTickets allows users to wait and ensure that all + // available session tickets are sent to S2A before a process completes. + EnsureProcessSessionTickets *sync.WaitGroup +} + +// NewConn creates a TLS record protocol that wraps the TCP connection. +func NewConn(o *ConnParameters) (net.Conn, error) { + if o == nil { + return nil, errors.New("conn options must not be nil") + } + if o.TLSVersion != commonpb.TLSVersion_TLS1_3 { + return nil, errors.New("TLS version must be TLS 1.3") + } + + inConn, err := halfconn.New(o.Ciphersuite, o.InTrafficSecret, o.InSequence) + if err != nil { + return nil, fmt.Errorf("failed to create inbound half connection: %v", err) + } + outConn, err := halfconn.New(o.Ciphersuite, o.OutTrafficSecret, o.OutSequence) + if err != nil { + return nil, fmt.Errorf("failed to create outbound half connection: %v", err) + } + + // The tag size for the in/out connections should be the same. + overheadSize := tlsRecordHeaderSize + tlsRecordTypeSize + inConn.TagSize() + var unusedBuf []byte + if o.UnusedBuf == nil { + // We pre-allocate unusedBuf to be of size + // 2*tlsRecordMaxSize-1 during initialization. We only read from the + // network into unusedBuf when unusedBuf does not contain a complete + // record and the incomplete record is at most tlsRecordMaxSize-1 + // (bytes). And we read at most tlsRecordMaxSize bytes of data from the + // network into unusedBuf at one time. Therefore, 2*tlsRecordMaxSize-1 + // is large enough to buffer data read from the network. + unusedBuf = make([]byte, 0, 2*tlsRecordMaxSize-1) + } else { + unusedBuf = make([]byte, len(o.UnusedBuf)) + copy(unusedBuf, o.UnusedBuf) + } + + tokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + if err != nil { + grpclog.Infof("failed to create single token access token manager: %v", err) + } + + s2aConn := &conn{ + Conn: o.NetConn, + inConn: inConn, + outConn: outConn, + unusedBuf: unusedBuf, + outRecordsBuf: make([]byte, tlsRecordMaxSize), + nextRecord: unusedBuf, + overheadSize: overheadSize, + ticketState: ticketsNotYetReceived, + // Pre-allocate the buffer for one session ticket message and the max + // plaintext size. This is the largest size that handshakeBuf will need + // to hold. The largest incomplete handshake message is the + // [handshake header size] + [max session ticket size] - 1. + // Then, tlsRecordMaxPlaintextSize is the maximum size that will be + // appended to the handshakeBuf before the handshake message is + // completed. Therefore, the buffer size below should be large enough to + // buffer any handshake messages. + handshakeBuf: make([]byte, 0, tlsHandshakePrefixSize+tlsMaxSessionTicketSize+tlsRecordMaxPlaintextSize-1), + ticketSender: &ticketSender{ + hsAddr: o.HSAddr, + connectionID: o.ConnectionID, + localIdentity: o.LocalIdentity, + tokenManager: tokenManager, + ensureProcessSessionTickets: o.EnsureProcessSessionTickets, + }, + callComplete: make(chan bool), + } + return s2aConn, nil +} + +// Read reads and decrypts a TLS 1.3 record from the underlying connection, and +// copies any application data received from the peer into b. If the size of the +// payload is greater than len(b), Read retains the remaining bytes in an +// internal buffer, and subsequent calls to Read will read from this buffer +// until it is exhausted. At most 1 TLS record worth of application data is +// written to b for each call to Read. +// +// Note that for the user to efficiently call this method, the user should +// ensure that the buffer b is allocated such that the buffer does not have any +// unused segments. This can be done by calling Read via io.ReadFull, which +// continually calls Read until the specified buffer has been filled. Also note +// that the user should close the connection via Close() if an error is thrown +// by a call to Read. +func (p *conn) Read(b []byte) (n int, err error) { + p.readMutex.Lock() + defer p.readMutex.Unlock() + // Check if p.pendingApplication data has leftover application data from + // the previous call to Read. + if len(p.pendingApplicationData) == 0 { + // Read a full record from the wire. + record, err := p.readFullRecord() + if err != nil { + return 0, err + } + // Now we have a complete record, so split the header and validate it + // The TLS record is split into 2 pieces: the record header and the + // payload. The payload has the following form: + // [payload] = [ciphertext of application data] + // + [ciphertext of record type byte] + // + [(optionally) ciphertext of padding by zeros] + // + [tag] + header, payload, err := splitAndValidateHeader(record) + if err != nil { + return 0, err + } + // Decrypt the ciphertext. + p.pendingApplicationData, err = p.inConn.Decrypt(payload[:0], payload, header) + if err != nil { + return 0, err + } + // Remove the padding by zeros and the record type byte from the + // p.pendingApplicationData buffer. + msgType, err := p.stripPaddingAndType() + if err != nil { + return 0, err + } + // Check that the length of the plaintext after stripping the padding + // and record type byte is under the maximum plaintext size. + if len(p.pendingApplicationData) > tlsRecordMaxPlaintextSize { + return 0, errors.New("plaintext size larger than maximum") + } + // The expected message types are application data, alert, and + // handshake. For application data, the bytes are directly copied into + // b. For an alert, the type of the alert is checked and the connection + // is closed on a close notify alert. For a handshake message, the + // handshake message type is checked. The handshake message type can be + // a key update type, for which we advance the traffic secret, and a + // new session ticket type, for which we send the received ticket to S2A + // for processing. + switch msgType { + case applicationData: + if len(p.handshakeBuf) > 0 { + return 0, errors.New("application data received while processing fragmented handshake messages") + } + if p.ticketState == receivingTickets { + p.ticketState = notReceivingTickets + grpclog.Infof("Sending session tickets to S2A.") + p.ticketSender.sendTicketsToS2A(p.sessionTickets, p.callComplete) + } + case alert: + return 0, p.handleAlertMessage() + case handshake: + if err = p.handleHandshakeMessage(); err != nil { + return 0, err + } + return 0, nil + default: + return 0, errors.New("unknown record type") + } + } + // Write as much application data as possible to b, the output buffer. + n = copy(b, p.pendingApplicationData) + p.pendingApplicationData = p.pendingApplicationData[n:] + return n, nil +} + +// Write divides b into segments of size tlsRecordMaxPlaintextSize, builds a +// TLS 1.3 record (of type "application data") from each segment, and sends +// the record to the peer. It returns the number of plaintext bytes that were +// successfully sent to the peer. +func (p *conn) Write(b []byte) (n int, err error) { + p.writeMutex.Lock() + defer p.writeMutex.Unlock() + return p.writeTLSRecord(b, tlsApplicationData) +} + +// writeTLSRecord divides b into segments of size maxPlaintextBytesPerRecord, +// builds a TLS 1.3 record (of type recordType) from each segment, and sends +// the record to the peer. It returns the number of plaintext bytes that were +// successfully sent to the peer. +func (p *conn) writeTLSRecord(b []byte, recordType byte) (n int, err error) { + // Create a record of only header, record type, and tag if given empty + // byte array. + if len(b) == 0 { + recordEndIndex, _, err := p.buildRecord(b, recordType, 0) + if err != nil { + return 0, err + } + + // Write the bytes stored in outRecordsBuf to p.Conn. Since we return + // the number of plaintext bytes written without overhead, we will + // always return 0 while p.Conn.Write returns the entire record length. + _, err = p.Conn.Write(p.outRecordsBuf[:recordEndIndex]) + return 0, err + } + + numRecords := int(math.Ceil(float64(len(b)) / float64(tlsRecordMaxPlaintextSize))) + totalRecordsSize := len(b) + numRecords*p.overheadSize + partialBSize := len(b) + if totalRecordsSize > outBufMaxSize { + totalRecordsSize = outBufMaxSize + partialBSize = outBufMaxRecords * tlsRecordMaxPlaintextSize + } + if len(p.outRecordsBuf) < totalRecordsSize { + p.outRecordsBuf = make([]byte, totalRecordsSize) + } + for bStart := 0; bStart < len(b); bStart += partialBSize { + bEnd := bStart + partialBSize + if bEnd > len(b) { + bEnd = len(b) + } + partialB := b[bStart:bEnd] + recordEndIndex := 0 + for len(partialB) > 0 { + recordEndIndex, partialB, err = p.buildRecord(partialB, recordType, recordEndIndex) + if err != nil { + // Return the amount of bytes written prior to the error. + return bStart, err + } + } + // Write the bytes stored in outRecordsBuf to p.Conn. If there is an + // error, calculate the total number of plaintext bytes of complete + // records successfully written to the peer and return it. + nn, err := p.Conn.Write(p.outRecordsBuf[:recordEndIndex]) + if err != nil { + numberOfCompletedRecords := int(math.Floor(float64(nn) / float64(tlsRecordMaxSize))) + return bStart + numberOfCompletedRecords*tlsRecordMaxPlaintextSize, err + } + } + return len(b), nil +} + +// buildRecord builds a TLS 1.3 record of type recordType from plaintext, +// and writes the record to outRecordsBuf at recordStartIndex. The record will +// have at most tlsRecordMaxPlaintextSize bytes of payload. It returns the +// index of outRecordsBuf where the current record ends, as well as any +// remaining plaintext bytes. +func (p *conn) buildRecord(plaintext []byte, recordType byte, recordStartIndex int) (n int, remainingPlaintext []byte, err error) { + // Construct the payload, which consists of application data and record type. + dataLen := len(plaintext) + if dataLen > tlsRecordMaxPlaintextSize { + dataLen = tlsRecordMaxPlaintextSize + } + remainingPlaintext = plaintext[dataLen:] + newRecordBuf := p.outRecordsBuf[recordStartIndex:] + + copy(newRecordBuf[tlsRecordHeaderSize:], plaintext[:dataLen]) + newRecordBuf[tlsRecordHeaderSize+dataLen] = recordType + payload := newRecordBuf[tlsRecordHeaderSize : tlsRecordHeaderSize+dataLen+1] // 1 is for the recordType. + // Construct the header. + newRecordBuf[0] = tlsApplicationData + newRecordBuf[1] = tlsLegacyRecordVersion + newRecordBuf[2] = tlsLegacyRecordVersion + binary.BigEndian.PutUint16(newRecordBuf[3:], uint16(len(payload)+tlsTagSize)) + header := newRecordBuf[:tlsRecordHeaderSize] + + // Encrypt the payload using header as aad. + encryptedPayload, err := p.outConn.Encrypt(newRecordBuf[tlsRecordHeaderSize:][:0], payload, header) + if err != nil { + return 0, plaintext, err + } + recordStartIndex += len(header) + len(encryptedPayload) + return recordStartIndex, remainingPlaintext, nil +} + +func (p *conn) Close() error { + p.readMutex.Lock() + defer p.readMutex.Unlock() + p.writeMutex.Lock() + defer p.writeMutex.Unlock() + // If p.ticketState is equal to notReceivingTickets, then S2A has + // been sent a flight of session tickets, and we must wait for the + // call to S2A to complete before closing the record protocol. + if p.ticketState == notReceivingTickets { + <-p.callComplete + grpclog.Infof("Safe to close the connection because sending tickets to S2A is (already) complete.") + } + return p.Conn.Close() +} + +// stripPaddingAndType strips the padding by zeros and record type from +// p.pendingApplicationData and returns the record type. Note that +// p.pendingApplicationData should be of the form: +// [application data] + [record type byte] + [trailing zeros] +func (p *conn) stripPaddingAndType() (recordType, error) { + if len(p.pendingApplicationData) == 0 { + return 0, errors.New("application data had length 0") + } + i := len(p.pendingApplicationData) - 1 + // Search for the index of the record type byte. + for i > 0 { + if p.pendingApplicationData[i] != 0 { + break + } + i-- + } + rt := recordType(p.pendingApplicationData[i]) + p.pendingApplicationData = p.pendingApplicationData[:i] + return rt, nil +} + +// readFullRecord reads from the wire until a record is completed and returns +// the full record. +func (p *conn) readFullRecord() (fullRecord []byte, err error) { + fullRecord, p.nextRecord, err = parseReadBuffer(p.nextRecord, tlsRecordMaxPayloadSize) + if err != nil { + return nil, err + } + // Check whether the next record to be decrypted has been completely + // received. + if len(fullRecord) == 0 { + copy(p.unusedBuf, p.nextRecord) + p.unusedBuf = p.unusedBuf[:len(p.nextRecord)] + // Always copy next incomplete record to the beginning of the + // unusedBuf buffer and reset nextRecord to it. + p.nextRecord = p.unusedBuf + } + // Keep reading from the wire until we have a complete record. + for len(fullRecord) == 0 { + if len(p.unusedBuf) == cap(p.unusedBuf) { + tmp := make([]byte, len(p.unusedBuf), cap(p.unusedBuf)+tlsRecordMaxSize) + copy(tmp, p.unusedBuf) + p.unusedBuf = tmp + } + n, err := p.Conn.Read(p.unusedBuf[len(p.unusedBuf):min(cap(p.unusedBuf), len(p.unusedBuf)+tlsRecordMaxSize)]) + if err != nil { + return nil, err + } + p.unusedBuf = p.unusedBuf[:len(p.unusedBuf)+n] + fullRecord, p.nextRecord, err = parseReadBuffer(p.unusedBuf, tlsRecordMaxPayloadSize) + if err != nil { + return nil, err + } + } + return fullRecord, nil +} + +// parseReadBuffer parses the provided buffer and returns a full record and any +// remaining bytes in that buffer. If the record is incomplete, nil is returned +// for the first return value and the given byte buffer is returned for the +// second return value. The length of the payload specified by the header should +// not be greater than maxLen, otherwise an error is returned. Note that this +// function does not allocate or copy any buffers. +func parseReadBuffer(b []byte, maxLen uint16) (fullRecord, remaining []byte, err error) { + // If the header is not complete, return the provided buffer as remaining + // buffer. + if len(b) < tlsRecordHeaderSize { + return nil, b, nil + } + msgLenField := b[tlsRecordHeaderTypeSize+tlsRecordHeaderLegacyRecordVersionSize : tlsRecordHeaderSize] + length := binary.BigEndian.Uint16(msgLenField) + if length > maxLen { + return nil, nil, fmt.Errorf("record length larger than the limit %d", maxLen) + } + if len(b) < int(length)+tlsRecordHeaderSize { + // Record is not complete yet. + return nil, b, nil + } + return b[:tlsRecordHeaderSize+length], b[tlsRecordHeaderSize+length:], nil +} + +// splitAndValidateHeader splits the header from the payload in the TLS 1.3 +// record and returns them. Note that the header is checked for validity, and an +// error is returned when an invalid header is parsed. Also note that this +// function does not allocate or copy any buffers. +func splitAndValidateHeader(record []byte) (header, payload []byte, err error) { + if len(record) < tlsRecordHeaderSize { + return nil, nil, fmt.Errorf("record was smaller than the header size") + } + header = record[:tlsRecordHeaderSize] + payload = record[tlsRecordHeaderSize:] + if header[0] != tlsApplicationData { + return nil, nil, fmt.Errorf("incorrect type in the header") + } + // Check the legacy record version, which should be 0x03, 0x03. + if header[1] != 0x03 || header[2] != 0x03 { + return nil, nil, fmt.Errorf("incorrect legacy record version in the header") + } + return header, payload, nil +} + +// handleAlertMessage handles an alert message. +func (p *conn) handleAlertMessage() error { + if len(p.pendingApplicationData) != tlsAlertSize { + return errors.New("invalid alert message size") + } + alertType := p.pendingApplicationData[1] + // Clear the body of the alert message. + p.pendingApplicationData = p.pendingApplicationData[:0] + if alertType == byte(closeNotify) { + return errors.New("received a close notify alert") + } + // TODO(matthewstevenson88): Add support for more alert types. + return fmt.Errorf("received an unrecognized alert type: %v", alertType) +} + +// parseHandshakeHeader parses a handshake message from the handshake buffer. +// It returns the message type, the message length, the message, the raw message +// that includes the type and length bytes and a flag indicating whether the +// handshake message has been fully parsed. i.e. whether the entire handshake +// message was in the handshake buffer. +func (p *conn) parseHandshakeMsg() (msgType byte, msgLen uint32, msg []byte, rawMsg []byte, ok bool) { + // Handle the case where the 4 byte handshake header is fragmented. + if len(p.handshakeBuf) < tlsHandshakePrefixSize { + return 0, 0, nil, nil, false + } + msgType = p.handshakeBuf[0] + msgLen = bigEndianInt24(p.handshakeBuf[tlsHandshakeMsgTypeSize : tlsHandshakeMsgTypeSize+tlsHandshakeLengthSize]) + if msgLen > uint32(len(p.handshakeBuf)-tlsHandshakePrefixSize) { + return 0, 0, nil, nil, false + } + msg = p.handshakeBuf[tlsHandshakePrefixSize : tlsHandshakePrefixSize+msgLen] + rawMsg = p.handshakeBuf[:tlsHandshakeMsgTypeSize+tlsHandshakeLengthSize+msgLen] + p.handshakeBuf = p.handshakeBuf[tlsHandshakePrefixSize+msgLen:] + return msgType, msgLen, msg, rawMsg, true +} + +// handleHandshakeMessage handles a handshake message. Note that the first +// complete handshake message from the handshake buffer is removed, if it +// exists. +func (p *conn) handleHandshakeMessage() error { + // Copy the pending application data to the handshake buffer. At this point, + // we are guaranteed that the pending application data contains only parts + // of a handshake message. + p.handshakeBuf = append(p.handshakeBuf, p.pendingApplicationData...) + p.pendingApplicationData = p.pendingApplicationData[:0] + // Several handshake messages may be coalesced into a single record. + // Continue reading them until the handshake buffer is empty. + for len(p.handshakeBuf) > 0 { + handshakeMsgType, msgLen, msg, rawMsg, ok := p.parseHandshakeMsg() + if !ok { + // The handshake could not be fully parsed, so read in another + // record and try again later. + break + } + switch handshakeMsgType { + case tlsHandshakeKeyUpdateType: + if msgLen != tlsHandshakeKeyUpdateMsgSize { + return errors.New("invalid handshake key update message length") + } + if len(p.handshakeBuf) != 0 { + return errors.New("key update message must be the last message of a handshake record") + } + if err := p.handleKeyUpdateMsg(msg); err != nil { + return err + } + case tlsHandshakeNewSessionTicketType: + // Ignore tickets that are received after a batch of tickets has + // been sent to S2A. + if p.ticketState == notReceivingTickets { + continue + } + if p.ticketState == ticketsNotYetReceived { + p.ticketState = receivingTickets + } + p.sessionTickets = append(p.sessionTickets, rawMsg) + if len(p.sessionTickets) == maxAllowedTickets { + p.ticketState = notReceivingTickets + grpclog.Infof("Sending session tickets to S2A.") + p.ticketSender.sendTicketsToS2A(p.sessionTickets, p.callComplete) + } + default: + return errors.New("unknown handshake message type") + } + } + return nil +} + +func buildKeyUpdateRequest() []byte { + b := make([]byte, tlsHandshakePrefixSize+tlsHandshakeKeyUpdateMsgSize) + b[0] = tlsHandshakeKeyUpdateType + b[1] = 0 + b[2] = 0 + b[3] = tlsHandshakeKeyUpdateMsgSize + b[4] = byte(updateNotRequested) + return b +} + +// handleKeyUpdateMsg handles a key update message. +func (p *conn) handleKeyUpdateMsg(msg []byte) error { + keyUpdateRequest := msg[0] + if keyUpdateRequest != byte(updateNotRequested) && + keyUpdateRequest != byte(updateRequested) { + return errors.New("invalid handshake key update message") + } + if err := p.inConn.UpdateKey(); err != nil { + return err + } + // Send a key update message back to the peer if requested. + if keyUpdateRequest == byte(updateRequested) { + p.writeMutex.Lock() + defer p.writeMutex.Unlock() + n, err := p.writeTLSRecord(preConstructedKeyUpdateMsg, byte(handshake)) + if err != nil { + return err + } + if n != tlsHandshakePrefixSize+tlsHandshakeKeyUpdateMsgSize { + return errors.New("key update request message wrote less bytes than expected") + } + if err = p.outConn.UpdateKey(); err != nil { + return err + } + } + return nil +} + +// bidEndianInt24 converts the given byte buffer of at least size 3 and +// outputs the resulting 24 bit integer as a uint32. This is needed because +// TLS 1.3 requires 3 byte integers, and the binary.BigEndian package does +// not provide a way to transform a byte buffer into a 3 byte integer. +func bigEndianInt24(b []byte) uint32 { + _ = b[2] // bounds check hint to compiler; see golang.org/issue/14808 + return uint32(b[2]) | uint32(b[1])<<8 | uint32(b[0])<<16 +} + +func min(a, b int) int { + if a < b { + return a + } + return b +} diff --git a/vendor/github.com/google/s2a-go/internal/record/ticketsender.go b/vendor/github.com/google/s2a-go/internal/record/ticketsender.go new file mode 100644 index 000000000..33fa3c55d --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/record/ticketsender.go @@ -0,0 +1,176 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package record + +import ( + "context" + "fmt" + "sync" + "time" + + "github.com/google/s2a-go/internal/handshaker/service" + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + s2apb "github.com/google/s2a-go/internal/proto/s2a_go_proto" + "github.com/google/s2a-go/internal/tokenmanager" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/grpclog" +) + +// sessionTimeout is the timeout for creating a session with the S2A handshaker +// service. +const sessionTimeout = time.Second * 5 + +// s2aTicketSender sends session tickets to the S2A handshaker service. +type s2aTicketSender interface { + // sendTicketsToS2A sends the given session tickets to the S2A handshaker + // service. + sendTicketsToS2A(sessionTickets [][]byte, callComplete chan bool) +} + +// ticketStream is the stream used to send and receive session information. +type ticketStream interface { + Send(*s2apb.SessionReq) error + Recv() (*s2apb.SessionResp, error) +} + +type ticketSender struct { + // hsAddr stores the address of the S2A handshaker service. + hsAddr string + // connectionID is the connection identifier that was created and sent by + // S2A at the end of a handshake. + connectionID uint64 + // localIdentity is the local identity that was used by S2A during session + // setup and included in the session result. + localIdentity *commonpb.Identity + // tokenManager manages access tokens for authenticating to S2A. + tokenManager tokenmanager.AccessTokenManager + // ensureProcessSessionTickets allows users to wait and ensure that all + // available session tickets are sent to S2A before a process completes. + ensureProcessSessionTickets *sync.WaitGroup +} + +// sendTicketsToS2A sends the given sessionTickets to the S2A handshaker +// service. This is done asynchronously and writes to the error logs if an error +// occurs. +func (t *ticketSender) sendTicketsToS2A(sessionTickets [][]byte, callComplete chan bool) { + // Note that the goroutine is in the function rather than at the caller + // because the fake ticket sender used for testing must run synchronously + // so that the session tickets can be accessed from it after the tests have + // been run. + if t.ensureProcessSessionTickets != nil { + t.ensureProcessSessionTickets.Add(1) + } + go func() { + if err := func() error { + defer func() { + if t.ensureProcessSessionTickets != nil { + t.ensureProcessSessionTickets.Done() + } + }() + hsConn, err := service.Dial(t.hsAddr) + if err != nil { + return err + } + client := s2apb.NewS2AServiceClient(hsConn) + ctx, cancel := context.WithTimeout(context.Background(), sessionTimeout) + defer cancel() + session, err := client.SetUpSession(ctx) + if err != nil { + return err + } + defer func() { + if err := session.CloseSend(); err != nil { + grpclog.Error(err) + } + }() + return t.writeTicketsToStream(session, sessionTickets) + }(); err != nil { + grpclog.Errorf("failed to send resumption tickets to S2A with identity: %v, %v", + t.localIdentity, err) + } + callComplete <- true + close(callComplete) + }() +} + +// writeTicketsToStream writes the given session tickets to the given stream. +func (t *ticketSender) writeTicketsToStream(stream ticketStream, sessionTickets [][]byte) error { + if err := stream.Send( + &s2apb.SessionReq{ + ReqOneof: &s2apb.SessionReq_ResumptionTicket{ + ResumptionTicket: &s2apb.ResumptionTicketReq{ + InBytes: sessionTickets, + ConnectionId: t.connectionID, + LocalIdentity: t.localIdentity, + }, + }, + AuthMechanisms: t.getAuthMechanisms(), + }, + ); err != nil { + return err + } + sessionResp, err := stream.Recv() + if err != nil { + return err + } + if sessionResp.GetStatus().GetCode() != uint32(codes.OK) { + return fmt.Errorf("s2a session ticket response had error status: %v, %v", + sessionResp.GetStatus().GetCode(), sessionResp.GetStatus().GetDetails()) + } + return nil +} + +func (t *ticketSender) getAuthMechanisms() []*s2apb.AuthenticationMechanism { + if t.tokenManager == nil { + return nil + } + // First handle the special case when no local identity has been provided + // by the application. In this case, an AuthenticationMechanism with no local + // identity will be sent. + if t.localIdentity == nil { + token, err := t.tokenManager.DefaultToken() + if err != nil { + grpclog.Infof("unable to get token for empty local identity: %v", err) + return nil + } + return []*s2apb.AuthenticationMechanism{ + { + MechanismOneof: &s2apb.AuthenticationMechanism_Token{ + Token: token, + }, + }, + } + } + + // Next, handle the case where the application (or the S2A) has specified + // a local identity. + token, err := t.tokenManager.Token(t.localIdentity) + if err != nil { + grpclog.Infof("unable to get token for local identity %v: %v", t.localIdentity, err) + return nil + } + return []*s2apb.AuthenticationMechanism{ + { + Identity: t.localIdentity, + MechanismOneof: &s2apb.AuthenticationMechanism_Token{ + Token: token, + }, + }, + } +} diff --git a/vendor/github.com/google/s2a-go/internal/tokenmanager/tokenmanager.go b/vendor/github.com/google/s2a-go/internal/tokenmanager/tokenmanager.go new file mode 100644 index 000000000..ec96ba3b6 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/tokenmanager/tokenmanager.go @@ -0,0 +1,70 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package tokenmanager provides tokens for authenticating to S2A. +package tokenmanager + +import ( + "fmt" + "os" + + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" +) + +const ( + s2aAccessTokenEnvironmentVariable = "S2A_ACCESS_TOKEN" +) + +// AccessTokenManager manages tokens for authenticating to S2A. +type AccessTokenManager interface { + // DefaultToken returns a token that an application with no specified local + // identity must use to authenticate to S2A. + DefaultToken() (token string, err error) + // Token returns a token that an application with local identity equal to + // identity must use to authenticate to S2A. + Token(identity *commonpb.Identity) (token string, err error) +} + +type singleTokenAccessTokenManager struct { + token string +} + +// NewSingleTokenAccessTokenManager returns a new AccessTokenManager instance +// that will always manage the same token. +// +// The token to be managed is read from the s2aAccessTokenEnvironmentVariable +// environment variable. If this environment variable is not set, then this +// function returns an error. +func NewSingleTokenAccessTokenManager() (AccessTokenManager, error) { + token, variableExists := os.LookupEnv(s2aAccessTokenEnvironmentVariable) + if !variableExists { + return nil, fmt.Errorf("%s environment variable is not set", s2aAccessTokenEnvironmentVariable) + } + return &singleTokenAccessTokenManager{token: token}, nil +} + +// DefaultToken always returns the token managed by the +// singleTokenAccessTokenManager. +func (m *singleTokenAccessTokenManager) DefaultToken() (string, error) { + return m.token, nil +} + +// Token always returns the token managed by the singleTokenAccessTokenManager. +func (m *singleTokenAccessTokenManager) Token(*commonpb.Identity) (string, error) { + return m.token, nil +} diff --git a/vendor/github.com/google/s2a-go/internal/v2/README.md b/vendor/github.com/google/s2a-go/internal/v2/README.md new file mode 100644 index 000000000..3806d1e9c --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/README.md @@ -0,0 +1 @@ +**This directory has the implementation of the S2Av2's gRPC-Go client libraries** diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/certverifier.go b/vendor/github.com/google/s2a-go/internal/v2/certverifier/certverifier.go new file mode 100644 index 000000000..cc811879b --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/certverifier.go @@ -0,0 +1,122 @@ +/* + * + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package certverifier offloads verifications to S2Av2. +package certverifier + +import ( + "crypto/x509" + "fmt" + + "github.com/google/s2a-go/stream" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/grpclog" + + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +// VerifyClientCertificateChain builds a SessionReq, sends it to S2Av2 and +// receives a SessionResp. +func VerifyClientCertificateChain(verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, s2AStream stream.S2AStream) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error { + return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error { + // Offload verification to S2Av2. + if grpclog.V(1) { + grpclog.Infof("Sending request to S2Av2 for client peer cert chain validation.") + } + if err := s2AStream.Send(&s2av2pb.SessionReq{ + ReqOneof: &s2av2pb.SessionReq_ValidatePeerCertificateChainReq{ + ValidatePeerCertificateChainReq: &s2av2pb.ValidatePeerCertificateChainReq{ + Mode: verificationMode, + PeerOneof: &s2av2pb.ValidatePeerCertificateChainReq_ClientPeer_{ + ClientPeer: &s2av2pb.ValidatePeerCertificateChainReq_ClientPeer{ + CertificateChain: rawCerts, + }, + }, + }, + }, + }); err != nil { + grpclog.Infof("Failed to send request to S2Av2 for client peer cert chain validation.") + return err + } + + // Get the response from S2Av2. + resp, err := s2AStream.Recv() + if err != nil { + grpclog.Infof("Failed to receive client peer cert chain validation response from S2Av2.") + return err + } + + // Parse the response. + if (resp.GetStatus() != nil) && (resp.GetStatus().Code != uint32(codes.OK)) { + return fmt.Errorf("failed to offload client cert verification to S2A: %d, %v", resp.GetStatus().Code, resp.GetStatus().Details) + + } + + if resp.GetValidatePeerCertificateChainResp().ValidationResult != s2av2pb.ValidatePeerCertificateChainResp_SUCCESS { + return fmt.Errorf("client cert verification failed: %v", resp.GetValidatePeerCertificateChainResp().ValidationDetails) + } + + return nil + } +} + +// VerifyServerCertificateChain builds a SessionReq, sends it to S2Av2 and +// receives a SessionResp. +func VerifyServerCertificateChain(hostname string, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, s2AStream stream.S2AStream, serverAuthorizationPolicy []byte) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error { + return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error { + // Offload verification to S2Av2. + if grpclog.V(1) { + grpclog.Infof("Sending request to S2Av2 for server peer cert chain validation.") + } + if err := s2AStream.Send(&s2av2pb.SessionReq{ + ReqOneof: &s2av2pb.SessionReq_ValidatePeerCertificateChainReq{ + ValidatePeerCertificateChainReq: &s2av2pb.ValidatePeerCertificateChainReq{ + Mode: verificationMode, + PeerOneof: &s2av2pb.ValidatePeerCertificateChainReq_ServerPeer_{ + ServerPeer: &s2av2pb.ValidatePeerCertificateChainReq_ServerPeer{ + CertificateChain: rawCerts, + ServerHostname: hostname, + SerializedUnrestrictedClientPolicy: serverAuthorizationPolicy, + }, + }, + }, + }, + }); err != nil { + grpclog.Infof("Failed to send request to S2Av2 for server peer cert chain validation.") + return err + } + + // Get the response from S2Av2. + resp, err := s2AStream.Recv() + if err != nil { + grpclog.Infof("Failed to receive server peer cert chain validation response from S2Av2.") + return err + } + + // Parse the response. + if (resp.GetStatus() != nil) && (resp.GetStatus().Code != uint32(codes.OK)) { + return fmt.Errorf("failed to offload server cert verification to S2A: %d, %v", resp.GetStatus().Code, resp.GetStatus().Details) + } + + if resp.GetValidatePeerCertificateChainResp().ValidationResult != s2av2pb.ValidatePeerCertificateChainResp_SUCCESS { + return fmt.Errorf("server cert verification failed: %v", resp.GetValidatePeerCertificateChainResp().ValidationDetails) + } + + return nil + } +} diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_intermediate_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_intermediate_cert.der Binary files differnew file mode 100644 index 000000000..958f3cfad --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_intermediate_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_leaf_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_leaf_cert.der Binary files differnew file mode 100644 index 000000000..d2817641b --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_leaf_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_root_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_root_cert.der Binary files differnew file mode 100644 index 000000000..d8c3710c8 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_root_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_intermediate_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_intermediate_cert.der Binary files differnew file mode 100644 index 000000000..dae619c09 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_intermediate_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_leaf_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_leaf_cert.der Binary files differnew file mode 100644 index 000000000..ce7f8d31d --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_leaf_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_root_cert.der b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_root_cert.der Binary files differnew file mode 100644 index 000000000..04b0d7360 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_root_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/remotesigner.go b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/remotesigner.go new file mode 100644 index 000000000..e7478d43f --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/remotesigner.go @@ -0,0 +1,186 @@ +/* + * + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package remotesigner offloads private key operations to S2Av2. +package remotesigner + +import ( + "crypto" + "crypto/rsa" + "crypto/x509" + "fmt" + "io" + + "github.com/google/s2a-go/stream" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/grpclog" + + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +// remoteSigner implementes the crypto.Signer interface. +type remoteSigner struct { + leafCert *x509.Certificate + s2AStream stream.S2AStream +} + +// New returns an instance of RemoteSigner, an implementation of the +// crypto.Signer interface. +func New(leafCert *x509.Certificate, s2AStream stream.S2AStream) crypto.Signer { + return &remoteSigner{leafCert, s2AStream} +} + +func (s *remoteSigner) Public() crypto.PublicKey { + return s.leafCert.PublicKey +} + +func (s *remoteSigner) Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error) { + signatureAlgorithm, err := getSignatureAlgorithm(opts, s.leafCert) + if err != nil { + return nil, err + } + + req, err := getSignReq(signatureAlgorithm, digest) + if err != nil { + return nil, err + } + if grpclog.V(1) { + grpclog.Infof("Sending request to S2Av2 for signing operation.") + } + if err := s.s2AStream.Send(&s2av2pb.SessionReq{ + ReqOneof: &s2av2pb.SessionReq_OffloadPrivateKeyOperationReq{ + OffloadPrivateKeyOperationReq: req, + }, + }); err != nil { + grpclog.Infof("Failed to send request to S2Av2 for signing operation.") + return nil, err + } + + resp, err := s.s2AStream.Recv() + if err != nil { + grpclog.Infof("Failed to receive signing operation response from S2Av2.") + return nil, err + } + + if (resp.GetStatus() != nil) && (resp.GetStatus().Code != uint32(codes.OK)) { + return nil, fmt.Errorf("failed to offload signing with private key to S2A: %d, %v", resp.GetStatus().Code, resp.GetStatus().Details) + } + + return resp.GetOffloadPrivateKeyOperationResp().GetOutBytes(), nil +} + +// getCert returns the leafCert field in s. +func (s *remoteSigner) getCert() *x509.Certificate { + return s.leafCert +} + +// getStream returns the s2AStream field in s. +func (s *remoteSigner) getStream() stream.S2AStream { + return s.s2AStream +} + +func getSignReq(signatureAlgorithm s2av2pb.SignatureAlgorithm, digest []byte) (*s2av2pb.OffloadPrivateKeyOperationReq, error) { + if (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA256) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP256R1_SHA256) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA256) { + return &s2av2pb.OffloadPrivateKeyOperationReq{ + Operation: s2av2pb.OffloadPrivateKeyOperationReq_SIGN, + SignatureAlgorithm: signatureAlgorithm, + InBytes: &s2av2pb.OffloadPrivateKeyOperationReq_Sha256Digest{ + Sha256Digest: digest, + }, + }, nil + } else if (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA384) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP384R1_SHA384) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA384) { + return &s2av2pb.OffloadPrivateKeyOperationReq{ + Operation: s2av2pb.OffloadPrivateKeyOperationReq_SIGN, + SignatureAlgorithm: signatureAlgorithm, + InBytes: &s2av2pb.OffloadPrivateKeyOperationReq_Sha384Digest{ + Sha384Digest: digest, + }, + }, nil + } else if (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA512) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP521R1_SHA512) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA512) || (signatureAlgorithm == s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ED25519) { + return &s2av2pb.OffloadPrivateKeyOperationReq{ + Operation: s2av2pb.OffloadPrivateKeyOperationReq_SIGN, + SignatureAlgorithm: signatureAlgorithm, + InBytes: &s2av2pb.OffloadPrivateKeyOperationReq_Sha512Digest{ + Sha512Digest: digest, + }, + }, nil + } else { + return nil, fmt.Errorf("unknown signature algorithm: %v", signatureAlgorithm) + } +} + +// getSignatureAlgorithm returns the signature algorithm that S2A must use when +// performing a signing operation that has been offloaded by an application +// using the crypto/tls libraries. +func getSignatureAlgorithm(opts crypto.SignerOpts, leafCert *x509.Certificate) (s2av2pb.SignatureAlgorithm, error) { + if opts == nil || leafCert == nil { + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED, fmt.Errorf("unknown signature algorithm") + } + switch leafCert.PublicKeyAlgorithm { + case x509.RSA: + if rsaPSSOpts, ok := opts.(*rsa.PSSOptions); ok { + return rsaPSSAlgorithm(rsaPSSOpts) + } + return rsaPPKCS1Algorithm(opts) + case x509.ECDSA: + return ecdsaAlgorithm(opts) + case x509.Ed25519: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ED25519, nil + default: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED, fmt.Errorf("unknown signature algorithm: %q", leafCert.PublicKeyAlgorithm) + } +} + +func rsaPSSAlgorithm(opts *rsa.PSSOptions) (s2av2pb.SignatureAlgorithm, error) { + switch opts.HashFunc() { + case crypto.SHA256: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA256, nil + case crypto.SHA384: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA384, nil + case crypto.SHA512: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PSS_RSAE_SHA512, nil + default: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED, fmt.Errorf("unknown signature algorithm") + } +} + +func rsaPPKCS1Algorithm(opts crypto.SignerOpts) (s2av2pb.SignatureAlgorithm, error) { + switch opts.HashFunc() { + case crypto.SHA256: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA256, nil + case crypto.SHA384: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA384, nil + case crypto.SHA512: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_RSA_PKCS1_SHA512, nil + default: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED, fmt.Errorf("unknown signature algorithm") + } +} + +func ecdsaAlgorithm(opts crypto.SignerOpts) (s2av2pb.SignatureAlgorithm, error) { + switch opts.HashFunc() { + case crypto.SHA256: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP256R1_SHA256, nil + case crypto.SHA384: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP384R1_SHA384, nil + case crypto.SHA512: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_ECDSA_SECP521R1_SHA512, nil + default: + return s2av2pb.SignatureAlgorithm_S2A_SSL_SIGN_UNSPECIFIED, fmt.Errorf("unknown signature algorithm") + } +} diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.der b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.der Binary files differnew file mode 100644 index 000000000..d8c3710c8 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.pem b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.pem new file mode 100644 index 000000000..493a5a264 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKXNlBRVe6UepjQUijIFPZBd/4qYwDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwMzE1WhcNNDIwNTI2MjAwMzE1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAOOFuIucH7XXfohGxKd3uR/ihUA/LdduR9I8kfpUEbq5BOt8xZe5/Yn9 +a1ozEHVW6cOAbHbnwAR8tkSgZ/t42QIA2k77HWU1Jh2xiEIsJivo3imm4/kZWuR0 +OqPh7MhzxpR/hvNwpI5mJsAVBWFMa5KtecFZLnyZtwHylrRN1QXzuLrOxuKFufK3 +RKbTABScn5RbZL976H/jgfSeXrbt242NrIoBnVe6fRbekbq2DQ6zFArbQMUgHjHK +P0UqBgdr1QmHfi9KytFyx9BTP3gXWnWIu+bY7/v7qKJMHFwGETo+dCLWYevJL316 +HnLfhApDMfP8U+Yv/y1N/YvgaSOSlEcCAwEAAaNTMFEwHQYDVR0OBBYEFKhAU4nu +0h/lrnggbIGvx4ej0WklMB8GA1UdIwQYMBaAFKhAU4nu0h/lrnggbIGvx4ej0Wkl +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAE/6NghzQ5fu6yR6 +EHKbj/YMrFdT7aGn5n2sAf7wJ33LIhiFHkpWBsVlm7rDtZtwhe891ZK/P60anlg9 +/P0Ua53tSRVRmCvTnEbXWOVMN4is6MsR7BlmzUxl4AtIn7jbeifEwRL7B4xDYmdA +QrQnsqoz45dLgS5xK4WDqXATP09Q91xQDuhud/b+A4jrvgwFASmL7rMIZbp4f1JQ +nlnl/9VoTBQBvJiWkDUtQDMpRLtauddEkv4AGz75p5IspXWD6cOemuh2iQec11xD +X20rs2WZbAcAiUa3nmy8OKYw435vmpj8gp39WYbX/Yx9TymrFFbVY92wYn+quTco +pKklVz0= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_key.pem b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_key.pem new file mode 100644 index 000000000..55a7f10c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEogIBAAKCAQEA44W4i5wftdd+iEbEp3e5H+KFQD8t125H0jyR+lQRurkE63zF +l7n9if1rWjMQdVbpw4BsdufABHy2RKBn+3jZAgDaTvsdZTUmHbGIQiwmK+jeKabj ++Rla5HQ6o+HsyHPGlH+G83CkjmYmwBUFYUxrkq15wVkufJm3AfKWtE3VBfO4us7G +4oW58rdEptMAFJyflFtkv3vof+OB9J5etu3bjY2sigGdV7p9Ft6RurYNDrMUCttA +xSAeMco/RSoGB2vVCYd+L0rK0XLH0FM/eBdadYi75tjv+/uookwcXAYROj50ItZh +68kvfXoect+ECkMx8/xT5i//LU39i+BpI5KURwIDAQABAoIBABgyjo/6iLzUMFbZ +/+w3pW6orrdIgN2akvTfED9pVYFgUA+jc3hRhY95bkNnjuaL2cy7Cc4Tk65mfRQL +Y0OxdJLr+EvSFSxAXM9npDA1ddHRsF8JqtFBSxNk8R+g1Yf0GDiO35Fgd3/ViWWA +VtQkRoSRApP3oiQKTRZd8H04keFR+PvmDk/Lq11l3Kc24A1PevKIPX1oI990ggw9 +9i4uSV+cnuMxmcI9xxJtgwdDFdjr39l2arLOHr4s6LGoV2IOdXHNlv5xRqWUZ0FH +MDHowkLgwDrdSTnNeaVNkce14Gqx+bd4hNaLCdKXMpedBTEmrut3f3hdV1kKjaKt +aqRYr8ECgYEA/YDGZY2jvFoHHBywlqmEMFrrCvQGH51m5R1Ntpkzr+Rh3YCmrpvq +xgwJXING0PUw3dz+xrH5lJICrfNE5Kt3fPu1rAEy+13mYsNowghtUq2Rtu0Hsjjx +2E3Bf8vEB6RNBMmGkUpTTIAroGF5tpJoRvfnWax+k4pFdrKYFtyZdNcCgYEA5cNv +EPltvOobjTXlUmtVP3n27KZN2aXexTcagLzRxE9CV4cYySENl3KuOMmccaZpIl6z +aHk6BT4X+M0LqElNUczrInfVqI+SGAFLGy7W6CJaqSr6cpyFUP/fosKpm6wKGgLq +udHfpvz5rckhKd8kJxFLvhGOK9yN5qpzih0gfhECgYAJfwRvk3G5wYmYpP58dlcs +VIuPenqsPoI3PPTHTU/hW+XKnWIhElgmGRdUrto9Q6IT/Y5RtSMLTLjq+Tzwb/fm +56rziYv2XJsfwgAvnI8z1Kqrto9ePsHYf3krJ1/thVsZPc9bq/QY3ohD1sLvcuaT +GgBBnLOVJU3a12/ZE2RwOwKBgF0csWMAoj8/5IB6if+3ral2xOGsl7oPZVMo/J2V +Z7EVqb4M6rd/pKFugTpUQgkwtkSOekhpcGD1hAN5HTNK2YG/+L5UMAsKe9sskwJm +HgOfAHy0BSDzW3ey6i9skg2bT9Cww+0gJ3Hl7U1HSCBO5LjMYpSZSrNtwzfqdb5Q +BX3xAoGARZdR28Ej3+/+0+fz47Yu2h4z0EI/EbrudLOWY936jIeAVwHckI3+BuqH +qR4poj1gfbnMxNuI9UzIXzjEmGewx9kDZ7IYnvloZKqoVQODO5GlKF2ja6IcMNlh +GCNdD6PSAS6HcmalmWo9sj+1YMkrl+GJikKZqVBHrHNwMGAG67w= +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.der b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.der Binary files differnew file mode 100644 index 000000000..04b0d7360 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.der diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.pem b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.pem new file mode 100644 index 000000000..0f98322c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKCoDuLtiZXvhsBY2RoDm0ugizJ8wDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwODI1WhcNNDIwNTI2MjAwODI1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAKK1++PXQ+M3hjYH/v0K4UEYl5ljzpNM1i52eQM+gFooojT87PDSaphT +fs0PXy/PTAjHBEvPhWpOpmQXfJNYzjwcCvg66hbqkv++/VTZiFLAsHagzkEz+FRJ +qT5Eq7G5FLyw1izX1uxyPN7tAEWEEg7eqsiaXD3Cq8+TYN9cjirPeF7RZF8yFCYE +xqvbo+Yc6RL6xw19iXVTfctRgQe581KQuIY5/LXo3dWDEilFdsADAe8XAEcO64es +Ow0g1UvXLnpXSE151kXBFb3sKH/ZjCecDYMCIMEb4sWLSblkSxJ5sNSmXIG4wtr2 +Qnii7CXZgnVYraQE/Jyh+NMQANuoSdMCAwEAAaNTMFEwHQYDVR0OBBYEFAyQQQuM +ab+YUQqjK8dVVOoHVFmXMB8GA1UdIwQYMBaAFAyQQQuMab+YUQqjK8dVVOoHVFmX +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBADj0vQ6ykWhicoqR +e6VZMwlEJV7/DSvWWKBd9MUjfKye0A4565ya5lmnzP3DiD3nqGe3miqmLsXKDs+X +POqlPXTWIamP7D4MJ32XtSLwZB4ru+I+Ao/P/VngPepoRPQoBnzHe7jww0rokqxl +AZERjlbTUwUAy/BPWPSzSJZ2j0tcs6ZLDNyYzpK4ao8R9/1VmQ92Tcp3feJs1QTg +odRQc3om/AkWOwsll+oyX0UbJeHkFHiLanUPXbdh+/BkSvZJ8ynL+feSDdaurPe+ +PSfnqLtQft9/neecGRdEaQzzzSFVQUVQzTdK1Q7hA7b55b2HvIa3ktDiks+sJsYN +Dhm6uZM= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_key.pem b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_key.pem new file mode 100644 index 000000000..81afea783 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEpAIBAAKCAQEAorX749dD4zeGNgf+/QrhQRiXmWPOk0zWLnZ5Az6AWiiiNPzs +8NJqmFN+zQ9fL89MCMcES8+Fak6mZBd8k1jOPBwK+DrqFuqS/779VNmIUsCwdqDO +QTP4VEmpPkSrsbkUvLDWLNfW7HI83u0ARYQSDt6qyJpcPcKrz5Ng31yOKs94XtFk +XzIUJgTGq9uj5hzpEvrHDX2JdVN9y1GBB7nzUpC4hjn8tejd1YMSKUV2wAMB7xcA +Rw7rh6w7DSDVS9cueldITXnWRcEVvewof9mMJ5wNgwIgwRvixYtJuWRLEnmw1KZc +gbjC2vZCeKLsJdmCdVitpAT8nKH40xAA26hJ0wIDAQABAoIBACaNR+lsD8G+XiZf +LqN1+HkcAo9tfnyYMAdCOtnx7SdviT9Uzi8hK/B7mAeuJLeHPlS2EuaDfPD7QaFl +jza6S+MiIdc+3kgfvESsVAnOoOY6kZUJ9NSuI6CU82y1iJjLaYZrv9NQMLRFPPb0 +4KOX709mosB1EnXvshW0rbc+jtDFhrm1SxMt+k9TuzmMxjbOeW4LOLXPgU8X1T3Q +Xy0hMZZtcgBs9wFIo8yCtmOixax9pnFE8rRltgDxTodn9LLdz1FieyntNgDksZ0P +nt4kV7Mqly7ELaea+Foaj244mKsesic2e3GhAlMRLun/VSunSf7mOCxfpITB8dp1 +drDhOYECgYEA19151dVxRcviuovN6Dar+QszMTnU8pDJ8BjLFjXjP/hNBBwMTHDE +duMuWk2qnwZqMooI/shxrF/ufmTgS0CFrh2+ANBZu27vWConJNXcyNtdigI4wt50 +L0Y2qcZn2mg67qFXHwoR3QNwrwnPwEjRXA09at9CSRZzcwDQ0ETXhYsCgYEAwPaG +06QdK8Zyly7TTzZJwxzv9uGiqzodmGtX6NEKjgij2JaCxHpukqZBJoqa0jKeK1cm +eNVkOvT5ff9TMzarSHQLr3pZen2/oVLb5gaFkbcJt/klv9Fd+ZRilHY3i6QwS6pD +uMiPOWS4DrLHDRVoVlAZTDjT1RVwwTs+P2NhJdkCgYEAsriXysbxBYyMp05gqEW7 +lHIFbFgpSrs9th+Q5U6wW6JEgYaHWDJ1NslY80MiZI93FWjbkbZ7BvBWESeL3EIL +a+EMErht0pVCbIhZ6FF4foPAqia0wAJVx14mm+G80kNBp5jE/NnleEsE3KcO7nBb +hg8gLn+x7bk81JZ0TDrzBYkCgYEAuQKluv47SeF3tSScTfKLPpvcKCWmxe1uutkQ +7JShPhVioyOMNb39jnYBOWbjkm4d4QgqRuiytSR0oi3QI+Ziy5EYMyNn713qAk9j +r2TJZDDPDKnBW+zt4YI4EohWMXk3JRUW4XDKggjjwJQA7bZ812TtHHvP/xoThfG7 +eSNb3eECgYBw6ssgCtMrdvQiEmjKVX/9yI38mvC2kSGyzbrQnGUfgqRGomRpeZuD +B5E3kysA4td5pT5lvcLgSW0TbOz+YbiriXjwOihPIelCvc9gE2eOUI71/byUWPFz +7u5F/xQ4NaGr5suLF+lBC6h7pSbM4El9lIHQAQadpuEdzHqrw+hs3g== +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/s2av2.go b/vendor/github.com/google/s2a-go/internal/v2/s2av2.go new file mode 100644 index 000000000..ff172883f --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/s2av2.go @@ -0,0 +1,354 @@ +/* + * + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package v2 provides the S2Av2 transport credentials used by a gRPC +// application. +package v2 + +import ( + "context" + "crypto/tls" + "errors" + "net" + "os" + "time" + + "github.com/golang/protobuf/proto" + "github.com/google/s2a-go/fallback" + "github.com/google/s2a-go/internal/handshaker/service" + "github.com/google/s2a-go/internal/tokenmanager" + "github.com/google/s2a-go/internal/v2/tlsconfigstore" + "github.com/google/s2a-go/stream" + "google.golang.org/grpc" + "google.golang.org/grpc/credentials" + "google.golang.org/grpc/grpclog" + + commonpbv1 "github.com/google/s2a-go/internal/proto/common_go_proto" + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +const ( + s2aSecurityProtocol = "tls" + defaultS2ATimeout = 3 * time.Second +) + +// An environment variable, which sets the timeout enforced on the connection to the S2A service for handshake. +const s2aTimeoutEnv = "S2A_TIMEOUT" + +type s2av2TransportCreds struct { + info *credentials.ProtocolInfo + isClient bool + serverName string + s2av2Address string + tokenManager *tokenmanager.AccessTokenManager + // localIdentity should only be used by the client. + localIdentity *commonpbv1.Identity + // localIdentities should only be used by the server. + localIdentities []*commonpbv1.Identity + verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode + fallbackClientHandshake fallback.ClientHandshake + getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error) + serverAuthorizationPolicy []byte +} + +// NewClientCreds returns a client-side transport credentials object that uses +// the S2Av2 to establish a secure connection with a server. +func NewClientCreds(s2av2Address string, localIdentity *commonpbv1.Identity, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, fallbackClientHandshakeFunc fallback.ClientHandshake, getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error), serverAuthorizationPolicy []byte) (credentials.TransportCredentials, error) { + // Create an AccessTokenManager instance to use to authenticate to S2Av2. + accessTokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + + creds := &s2av2TransportCreds{ + info: &credentials.ProtocolInfo{ + SecurityProtocol: s2aSecurityProtocol, + }, + isClient: true, + serverName: "", + s2av2Address: s2av2Address, + localIdentity: localIdentity, + verificationMode: verificationMode, + fallbackClientHandshake: fallbackClientHandshakeFunc, + getS2AStream: getS2AStream, + serverAuthorizationPolicy: serverAuthorizationPolicy, + } + if err != nil { + creds.tokenManager = nil + } else { + creds.tokenManager = &accessTokenManager + } + if grpclog.V(1) { + grpclog.Info("Created client S2Av2 transport credentials.") + } + return creds, nil +} + +// NewServerCreds returns a server-side transport credentials object that uses +// the S2Av2 to establish a secure connection with a client. +func NewServerCreds(s2av2Address string, localIdentities []*commonpbv1.Identity, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error)) (credentials.TransportCredentials, error) { + // Create an AccessTokenManager instance to use to authenticate to S2Av2. + accessTokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + creds := &s2av2TransportCreds{ + info: &credentials.ProtocolInfo{ + SecurityProtocol: s2aSecurityProtocol, + }, + isClient: false, + s2av2Address: s2av2Address, + localIdentities: localIdentities, + verificationMode: verificationMode, + getS2AStream: getS2AStream, + } + if err != nil { + creds.tokenManager = nil + } else { + creds.tokenManager = &accessTokenManager + } + if grpclog.V(1) { + grpclog.Info("Created server S2Av2 transport credentials.") + } + return creds, nil +} + +// ClientHandshake performs a client-side mTLS handshake using the S2Av2. +func (c *s2av2TransportCreds) ClientHandshake(ctx context.Context, serverAuthority string, rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) { + if !c.isClient { + return nil, nil, errors.New("client handshake called using server transport credentials") + } + // Remove the port from serverAuthority. + serverName := removeServerNamePort(serverAuthority) + timeoutCtx, cancel := context.WithTimeout(ctx, GetS2ATimeout()) + defer cancel() + s2AStream, err := createStream(timeoutCtx, c.s2av2Address, c.getS2AStream) + if err != nil { + grpclog.Infof("Failed to connect to S2Av2: %v", err) + if c.fallbackClientHandshake != nil { + return c.fallbackClientHandshake(ctx, serverAuthority, rawConn, err) + } + return nil, nil, err + } + defer s2AStream.CloseSend() + if grpclog.V(1) { + grpclog.Infof("Connected to S2Av2.") + } + var config *tls.Config + + var tokenManager tokenmanager.AccessTokenManager + if c.tokenManager == nil { + tokenManager = nil + } else { + tokenManager = *c.tokenManager + } + + if c.serverName == "" { + config, err = tlsconfigstore.GetTLSConfigurationForClient(serverName, s2AStream, tokenManager, c.localIdentity, c.verificationMode, c.serverAuthorizationPolicy) + if err != nil { + grpclog.Info("Failed to get client TLS config from S2Av2: %v", err) + if c.fallbackClientHandshake != nil { + return c.fallbackClientHandshake(ctx, serverAuthority, rawConn, err) + } + return nil, nil, err + } + } else { + config, err = tlsconfigstore.GetTLSConfigurationForClient(c.serverName, s2AStream, tokenManager, c.localIdentity, c.verificationMode, c.serverAuthorizationPolicy) + if err != nil { + grpclog.Info("Failed to get client TLS config from S2Av2: %v", err) + if c.fallbackClientHandshake != nil { + return c.fallbackClientHandshake(ctx, serverAuthority, rawConn, err) + } + return nil, nil, err + } + } + if grpclog.V(1) { + grpclog.Infof("Got client TLS config from S2Av2.") + } + creds := credentials.NewTLS(config) + + conn, authInfo, err := creds.ClientHandshake(ctx, serverName, rawConn) + if err != nil { + grpclog.Infof("Failed to do client handshake using S2Av2: %v", err) + if c.fallbackClientHandshake != nil { + return c.fallbackClientHandshake(ctx, serverAuthority, rawConn, err) + } + return nil, nil, err + } + grpclog.Infof("Successfully done client handshake using S2Av2 to: %s", serverName) + + return conn, authInfo, err +} + +// ServerHandshake performs a server-side mTLS handshake using the S2Av2. +func (c *s2av2TransportCreds) ServerHandshake(rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) { + if c.isClient { + return nil, nil, errors.New("server handshake called using client transport credentials") + } + ctx, cancel := context.WithTimeout(context.Background(), GetS2ATimeout()) + defer cancel() + s2AStream, err := createStream(ctx, c.s2av2Address, c.getS2AStream) + if err != nil { + grpclog.Infof("Failed to connect to S2Av2: %v", err) + return nil, nil, err + } + defer s2AStream.CloseSend() + if grpclog.V(1) { + grpclog.Infof("Connected to S2Av2.") + } + + var tokenManager tokenmanager.AccessTokenManager + if c.tokenManager == nil { + tokenManager = nil + } else { + tokenManager = *c.tokenManager + } + + config, err := tlsconfigstore.GetTLSConfigurationForServer(s2AStream, tokenManager, c.localIdentities, c.verificationMode) + if err != nil { + grpclog.Infof("Failed to get server TLS config from S2Av2: %v", err) + return nil, nil, err + } + if grpclog.V(1) { + grpclog.Infof("Got server TLS config from S2Av2.") + } + creds := credentials.NewTLS(config) + return creds.ServerHandshake(rawConn) +} + +// Info returns protocol info of s2av2TransportCreds. +func (c *s2av2TransportCreds) Info() credentials.ProtocolInfo { + return *c.info +} + +// Clone makes a deep copy of s2av2TransportCreds. +func (c *s2av2TransportCreds) Clone() credentials.TransportCredentials { + info := *c.info + serverName := c.serverName + fallbackClientHandshake := c.fallbackClientHandshake + + s2av2Address := c.s2av2Address + var tokenManager tokenmanager.AccessTokenManager + if c.tokenManager == nil { + tokenManager = nil + } else { + tokenManager = *c.tokenManager + } + verificationMode := c.verificationMode + var localIdentity *commonpbv1.Identity + if c.localIdentity != nil { + localIdentity = proto.Clone(c.localIdentity).(*commonpbv1.Identity) + } + var localIdentities []*commonpbv1.Identity + if c.localIdentities != nil { + localIdentities = make([]*commonpbv1.Identity, len(c.localIdentities)) + for i, localIdentity := range c.localIdentities { + localIdentities[i] = proto.Clone(localIdentity).(*commonpbv1.Identity) + } + } + creds := &s2av2TransportCreds{ + info: &info, + isClient: c.isClient, + serverName: serverName, + fallbackClientHandshake: fallbackClientHandshake, + s2av2Address: s2av2Address, + localIdentity: localIdentity, + localIdentities: localIdentities, + verificationMode: verificationMode, + } + if c.tokenManager == nil { + creds.tokenManager = nil + } else { + creds.tokenManager = &tokenManager + } + return creds +} + +// NewClientTLSConfig returns a tls.Config instance that uses S2Av2 to establish a TLS connection as +// a client. The tls.Config MUST only be used to establish a single TLS connection. +func NewClientTLSConfig( + ctx context.Context, + s2av2Address string, + tokenManager tokenmanager.AccessTokenManager, + verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, + serverName string, + serverAuthorizationPolicy []byte) (*tls.Config, error) { + s2AStream, err := createStream(ctx, s2av2Address, nil) + if err != nil { + grpclog.Infof("Failed to connect to S2Av2: %v", err) + return nil, err + } + + return tlsconfigstore.GetTLSConfigurationForClient(removeServerNamePort(serverName), s2AStream, tokenManager, nil, verificationMode, serverAuthorizationPolicy) +} + +// OverrideServerName sets the ServerName in the s2av2TransportCreds protocol +// info. The ServerName MUST be a hostname. +func (c *s2av2TransportCreds) OverrideServerName(serverNameOverride string) error { + serverName := removeServerNamePort(serverNameOverride) + c.info.ServerName = serverName + c.serverName = serverName + return nil +} + +// Remove the trailing port from server name. +func removeServerNamePort(serverName string) string { + name, _, err := net.SplitHostPort(serverName) + if err != nil { + name = serverName + } + return name +} + +type s2AGrpcStream struct { + stream s2av2pb.S2AService_SetUpSessionClient +} + +func (x s2AGrpcStream) Send(m *s2av2pb.SessionReq) error { + return x.stream.Send(m) +} + +func (x s2AGrpcStream) Recv() (*s2av2pb.SessionResp, error) { + return x.stream.Recv() +} + +func (x s2AGrpcStream) CloseSend() error { + return x.stream.CloseSend() +} + +func createStream(ctx context.Context, s2av2Address string, getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error)) (stream.S2AStream, error) { + if getS2AStream != nil { + return getS2AStream(ctx, s2av2Address) + } + // TODO(rmehta19): Consider whether to close the connection to S2Av2. + conn, err := service.Dial(s2av2Address) + if err != nil { + return nil, err + } + client := s2av2pb.NewS2AServiceClient(conn) + gRPCStream, err := client.SetUpSession(ctx, []grpc.CallOption{}...) + if err != nil { + return nil, err + } + return &s2AGrpcStream{ + stream: gRPCStream, + }, nil +} + +// GetS2ATimeout returns the timeout enforced on the connection to the S2A service for handshake. +func GetS2ATimeout() time.Duration { + timeout, err := time.ParseDuration(os.Getenv(s2aTimeoutEnv)) + if err != nil { + return defaultS2ATimeout + } + return timeout +} diff --git a/vendor/github.com/google/s2a-go/internal/v2/testdata/client_cert.pem b/vendor/github.com/google/s2a-go/internal/v2/testdata/client_cert.pem new file mode 100644 index 000000000..493a5a264 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/testdata/client_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKXNlBRVe6UepjQUijIFPZBd/4qYwDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwMzE1WhcNNDIwNTI2MjAwMzE1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAOOFuIucH7XXfohGxKd3uR/ihUA/LdduR9I8kfpUEbq5BOt8xZe5/Yn9 +a1ozEHVW6cOAbHbnwAR8tkSgZ/t42QIA2k77HWU1Jh2xiEIsJivo3imm4/kZWuR0 +OqPh7MhzxpR/hvNwpI5mJsAVBWFMa5KtecFZLnyZtwHylrRN1QXzuLrOxuKFufK3 +RKbTABScn5RbZL976H/jgfSeXrbt242NrIoBnVe6fRbekbq2DQ6zFArbQMUgHjHK +P0UqBgdr1QmHfi9KytFyx9BTP3gXWnWIu+bY7/v7qKJMHFwGETo+dCLWYevJL316 +HnLfhApDMfP8U+Yv/y1N/YvgaSOSlEcCAwEAAaNTMFEwHQYDVR0OBBYEFKhAU4nu 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+hg8gLn+x7bk81JZ0TDrzBYkCgYEAuQKluv47SeF3tSScTfKLPpvcKCWmxe1uutkQ +7JShPhVioyOMNb39jnYBOWbjkm4d4QgqRuiytSR0oi3QI+Ziy5EYMyNn713qAk9j +r2TJZDDPDKnBW+zt4YI4EohWMXk3JRUW4XDKggjjwJQA7bZ812TtHHvP/xoThfG7 +eSNb3eECgYBw6ssgCtMrdvQiEmjKVX/9yI38mvC2kSGyzbrQnGUfgqRGomRpeZuD +B5E3kysA4td5pT5lvcLgSW0TbOz+YbiriXjwOihPIelCvc9gE2eOUI71/byUWPFz +7u5F/xQ4NaGr5suLF+lBC6h7pSbM4El9lIHQAQadpuEdzHqrw+hs3g== +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_cert.pem b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_cert.pem new file mode 100644 index 000000000..493a5a264 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKXNlBRVe6UepjQUijIFPZBd/4qYwDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwMzE1WhcNNDIwNTI2MjAwMzE1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAOOFuIucH7XXfohGxKd3uR/ihUA/LdduR9I8kfpUEbq5BOt8xZe5/Yn9 +a1ozEHVW6cOAbHbnwAR8tkSgZ/t42QIA2k77HWU1Jh2xiEIsJivo3imm4/kZWuR0 +OqPh7MhzxpR/hvNwpI5mJsAVBWFMa5KtecFZLnyZtwHylrRN1QXzuLrOxuKFufK3 +RKbTABScn5RbZL976H/jgfSeXrbt242NrIoBnVe6fRbekbq2DQ6zFArbQMUgHjHK +P0UqBgdr1QmHfi9KytFyx9BTP3gXWnWIu+bY7/v7qKJMHFwGETo+dCLWYevJL316 +HnLfhApDMfP8U+Yv/y1N/YvgaSOSlEcCAwEAAaNTMFEwHQYDVR0OBBYEFKhAU4nu +0h/lrnggbIGvx4ej0WklMB8GA1UdIwQYMBaAFKhAU4nu0h/lrnggbIGvx4ej0Wkl +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAE/6NghzQ5fu6yR6 +EHKbj/YMrFdT7aGn5n2sAf7wJ33LIhiFHkpWBsVlm7rDtZtwhe891ZK/P60anlg9 +/P0Ua53tSRVRmCvTnEbXWOVMN4is6MsR7BlmzUxl4AtIn7jbeifEwRL7B4xDYmdA +QrQnsqoz45dLgS5xK4WDqXATP09Q91xQDuhud/b+A4jrvgwFASmL7rMIZbp4f1JQ +nlnl/9VoTBQBvJiWkDUtQDMpRLtauddEkv4AGz75p5IspXWD6cOemuh2iQec11xD +X20rs2WZbAcAiUa3nmy8OKYw435vmpj8gp39WYbX/Yx9TymrFFbVY92wYn+quTco +pKklVz0= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_key.pem b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_key.pem new file mode 100644 index 000000000..55a7f10c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/client_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEogIBAAKCAQEA44W4i5wftdd+iEbEp3e5H+KFQD8t125H0jyR+lQRurkE63zF +l7n9if1rWjMQdVbpw4BsdufABHy2RKBn+3jZAgDaTvsdZTUmHbGIQiwmK+jeKabj ++Rla5HQ6o+HsyHPGlH+G83CkjmYmwBUFYUxrkq15wVkufJm3AfKWtE3VBfO4us7G +4oW58rdEptMAFJyflFtkv3vof+OB9J5etu3bjY2sigGdV7p9Ft6RurYNDrMUCttA +xSAeMco/RSoGB2vVCYd+L0rK0XLH0FM/eBdadYi75tjv+/uookwcXAYROj50ItZh +68kvfXoect+ECkMx8/xT5i//LU39i+BpI5KURwIDAQABAoIBABgyjo/6iLzUMFbZ +/+w3pW6orrdIgN2akvTfED9pVYFgUA+jc3hRhY95bkNnjuaL2cy7Cc4Tk65mfRQL +Y0OxdJLr+EvSFSxAXM9npDA1ddHRsF8JqtFBSxNk8R+g1Yf0GDiO35Fgd3/ViWWA +VtQkRoSRApP3oiQKTRZd8H04keFR+PvmDk/Lq11l3Kc24A1PevKIPX1oI990ggw9 +9i4uSV+cnuMxmcI9xxJtgwdDFdjr39l2arLOHr4s6LGoV2IOdXHNlv5xRqWUZ0FH +MDHowkLgwDrdSTnNeaVNkce14Gqx+bd4hNaLCdKXMpedBTEmrut3f3hdV1kKjaKt +aqRYr8ECgYEA/YDGZY2jvFoHHBywlqmEMFrrCvQGH51m5R1Ntpkzr+Rh3YCmrpvq +xgwJXING0PUw3dz+xrH5lJICrfNE5Kt3fPu1rAEy+13mYsNowghtUq2Rtu0Hsjjx +2E3Bf8vEB6RNBMmGkUpTTIAroGF5tpJoRvfnWax+k4pFdrKYFtyZdNcCgYEA5cNv +EPltvOobjTXlUmtVP3n27KZN2aXexTcagLzRxE9CV4cYySENl3KuOMmccaZpIl6z +aHk6BT4X+M0LqElNUczrInfVqI+SGAFLGy7W6CJaqSr6cpyFUP/fosKpm6wKGgLq +udHfpvz5rckhKd8kJxFLvhGOK9yN5qpzih0gfhECgYAJfwRvk3G5wYmYpP58dlcs +VIuPenqsPoI3PPTHTU/hW+XKnWIhElgmGRdUrto9Q6IT/Y5RtSMLTLjq+Tzwb/fm +56rziYv2XJsfwgAvnI8z1Kqrto9ePsHYf3krJ1/thVsZPc9bq/QY3ohD1sLvcuaT +GgBBnLOVJU3a12/ZE2RwOwKBgF0csWMAoj8/5IB6if+3ral2xOGsl7oPZVMo/J2V +Z7EVqb4M6rd/pKFugTpUQgkwtkSOekhpcGD1hAN5HTNK2YG/+L5UMAsKe9sskwJm +HgOfAHy0BSDzW3ey6i9skg2bT9Cww+0gJ3Hl7U1HSCBO5LjMYpSZSrNtwzfqdb5Q +BX3xAoGARZdR28Ej3+/+0+fz47Yu2h4z0EI/EbrudLOWY936jIeAVwHckI3+BuqH +qR4poj1gfbnMxNuI9UzIXzjEmGewx9kDZ7IYnvloZKqoVQODO5GlKF2ja6IcMNlh +GCNdD6PSAS6HcmalmWo9sj+1YMkrl+GJikKZqVBHrHNwMGAG67w= +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_cert.pem b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_cert.pem new file mode 100644 index 000000000..0f98322c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKCoDuLtiZXvhsBY2RoDm0ugizJ8wDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwODI1WhcNNDIwNTI2MjAwODI1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAKK1++PXQ+M3hjYH/v0K4UEYl5ljzpNM1i52eQM+gFooojT87PDSaphT +fs0PXy/PTAjHBEvPhWpOpmQXfJNYzjwcCvg66hbqkv++/VTZiFLAsHagzkEz+FRJ +qT5Eq7G5FLyw1izX1uxyPN7tAEWEEg7eqsiaXD3Cq8+TYN9cjirPeF7RZF8yFCYE +xqvbo+Yc6RL6xw19iXVTfctRgQe581KQuIY5/LXo3dWDEilFdsADAe8XAEcO64es +Ow0g1UvXLnpXSE151kXBFb3sKH/ZjCecDYMCIMEb4sWLSblkSxJ5sNSmXIG4wtr2 +Qnii7CXZgnVYraQE/Jyh+NMQANuoSdMCAwEAAaNTMFEwHQYDVR0OBBYEFAyQQQuM +ab+YUQqjK8dVVOoHVFmXMB8GA1UdIwQYMBaAFAyQQQuMab+YUQqjK8dVVOoHVFmX +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBADj0vQ6ykWhicoqR +e6VZMwlEJV7/DSvWWKBd9MUjfKye0A4565ya5lmnzP3DiD3nqGe3miqmLsXKDs+X +POqlPXTWIamP7D4MJ32XtSLwZB4ru+I+Ao/P/VngPepoRPQoBnzHe7jww0rokqxl +AZERjlbTUwUAy/BPWPSzSJZ2j0tcs6ZLDNyYzpK4ao8R9/1VmQ92Tcp3feJs1QTg +odRQc3om/AkWOwsll+oyX0UbJeHkFHiLanUPXbdh+/BkSvZJ8ynL+feSDdaurPe+ +PSfnqLtQft9/neecGRdEaQzzzSFVQUVQzTdK1Q7hA7b55b2HvIa3ktDiks+sJsYN +Dhm6uZM= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_key.pem b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_key.pem new file mode 100644 index 000000000..81afea783 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/testdata/server_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEpAIBAAKCAQEAorX749dD4zeGNgf+/QrhQRiXmWPOk0zWLnZ5Az6AWiiiNPzs +8NJqmFN+zQ9fL89MCMcES8+Fak6mZBd8k1jOPBwK+DrqFuqS/779VNmIUsCwdqDO +QTP4VEmpPkSrsbkUvLDWLNfW7HI83u0ARYQSDt6qyJpcPcKrz5Ng31yOKs94XtFk +XzIUJgTGq9uj5hzpEvrHDX2JdVN9y1GBB7nzUpC4hjn8tejd1YMSKUV2wAMB7xcA +Rw7rh6w7DSDVS9cueldITXnWRcEVvewof9mMJ5wNgwIgwRvixYtJuWRLEnmw1KZc +gbjC2vZCeKLsJdmCdVitpAT8nKH40xAA26hJ0wIDAQABAoIBACaNR+lsD8G+XiZf +LqN1+HkcAo9tfnyYMAdCOtnx7SdviT9Uzi8hK/B7mAeuJLeHPlS2EuaDfPD7QaFl +jza6S+MiIdc+3kgfvESsVAnOoOY6kZUJ9NSuI6CU82y1iJjLaYZrv9NQMLRFPPb0 +4KOX709mosB1EnXvshW0rbc+jtDFhrm1SxMt+k9TuzmMxjbOeW4LOLXPgU8X1T3Q +Xy0hMZZtcgBs9wFIo8yCtmOixax9pnFE8rRltgDxTodn9LLdz1FieyntNgDksZ0P +nt4kV7Mqly7ELaea+Foaj244mKsesic2e3GhAlMRLun/VSunSf7mOCxfpITB8dp1 +drDhOYECgYEA19151dVxRcviuovN6Dar+QszMTnU8pDJ8BjLFjXjP/hNBBwMTHDE +duMuWk2qnwZqMooI/shxrF/ufmTgS0CFrh2+ANBZu27vWConJNXcyNtdigI4wt50 +L0Y2qcZn2mg67qFXHwoR3QNwrwnPwEjRXA09at9CSRZzcwDQ0ETXhYsCgYEAwPaG +06QdK8Zyly7TTzZJwxzv9uGiqzodmGtX6NEKjgij2JaCxHpukqZBJoqa0jKeK1cm +eNVkOvT5ff9TMzarSHQLr3pZen2/oVLb5gaFkbcJt/klv9Fd+ZRilHY3i6QwS6pD +uMiPOWS4DrLHDRVoVlAZTDjT1RVwwTs+P2NhJdkCgYEAsriXysbxBYyMp05gqEW7 +lHIFbFgpSrs9th+Q5U6wW6JEgYaHWDJ1NslY80MiZI93FWjbkbZ7BvBWESeL3EIL +a+EMErht0pVCbIhZ6FF4foPAqia0wAJVx14mm+G80kNBp5jE/NnleEsE3KcO7nBb +hg8gLn+x7bk81JZ0TDrzBYkCgYEAuQKluv47SeF3tSScTfKLPpvcKCWmxe1uutkQ +7JShPhVioyOMNb39jnYBOWbjkm4d4QgqRuiytSR0oi3QI+Ziy5EYMyNn713qAk9j +r2TJZDDPDKnBW+zt4YI4EohWMXk3JRUW4XDKggjjwJQA7bZ812TtHHvP/xoThfG7 +eSNb3eECgYBw6ssgCtMrdvQiEmjKVX/9yI38mvC2kSGyzbrQnGUfgqRGomRpeZuD +B5E3kysA4td5pT5lvcLgSW0TbOz+YbiriXjwOihPIelCvc9gE2eOUI71/byUWPFz +7u5F/xQ4NaGr5suLF+lBC6h7pSbM4El9lIHQAQadpuEdzHqrw+hs3g== +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/tlsconfigstore.go b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/tlsconfigstore.go new file mode 100644 index 000000000..4d9191322 --- /dev/null +++ b/vendor/github.com/google/s2a-go/internal/v2/tlsconfigstore/tlsconfigstore.go @@ -0,0 +1,404 @@ +/* + * + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package tlsconfigstore offloads operations to S2Av2. +package tlsconfigstore + +import ( + "crypto/tls" + "crypto/x509" + "encoding/pem" + "errors" + "fmt" + + "github.com/google/s2a-go/internal/tokenmanager" + "github.com/google/s2a-go/internal/v2/certverifier" + "github.com/google/s2a-go/internal/v2/remotesigner" + "github.com/google/s2a-go/stream" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/grpclog" + + commonpbv1 "github.com/google/s2a-go/internal/proto/common_go_proto" + commonpb "github.com/google/s2a-go/internal/proto/v2/common_go_proto" + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +const ( + // HTTP/2 + h2 = "h2" +) + +// GetTLSConfigurationForClient returns a tls.Config instance for use by a client application. +func GetTLSConfigurationForClient(serverHostname string, s2AStream stream.S2AStream, tokenManager tokenmanager.AccessTokenManager, localIdentity *commonpbv1.Identity, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, serverAuthorizationPolicy []byte) (*tls.Config, error) { + authMechanisms := getAuthMechanisms(tokenManager, []*commonpbv1.Identity{localIdentity}) + + if grpclog.V(1) { + grpclog.Infof("Sending request to S2Av2 for client TLS config.") + } + // Send request to S2Av2 for config. + if err := s2AStream.Send(&s2av2pb.SessionReq{ + LocalIdentity: localIdentity, + AuthenticationMechanisms: authMechanisms, + ReqOneof: &s2av2pb.SessionReq_GetTlsConfigurationReq{ + GetTlsConfigurationReq: &s2av2pb.GetTlsConfigurationReq{ + ConnectionSide: commonpb.ConnectionSide_CONNECTION_SIDE_CLIENT, + }, + }, + }); err != nil { + grpclog.Infof("Failed to send request to S2Av2 for client TLS config") + return nil, err + } + + // Get the response containing config from S2Av2. + resp, err := s2AStream.Recv() + if err != nil { + grpclog.Infof("Failed to receive client TLS config response from S2Av2.") + return nil, err + } + + // TODO(rmehta19): Add unit test for this if statement. + if (resp.GetStatus() != nil) && (resp.GetStatus().Code != uint32(codes.OK)) { + return nil, fmt.Errorf("failed to get TLS configuration from S2A: %d, %v", resp.GetStatus().Code, resp.GetStatus().Details) + } + + // Extract TLS configiguration from SessionResp. + tlsConfig := resp.GetGetTlsConfigurationResp().GetClientTlsConfiguration() + + var cert tls.Certificate + for i, v := range tlsConfig.CertificateChain { + // Populate Certificates field. + block, _ := pem.Decode([]byte(v)) + if block == nil { + return nil, errors.New("certificate in CertificateChain obtained from S2Av2 is empty") + } + x509Cert, err := x509.ParseCertificate(block.Bytes) + if err != nil { + return nil, err + } + cert.Certificate = append(cert.Certificate, x509Cert.Raw) + if i == 0 { + cert.Leaf = x509Cert + } + } + + if len(tlsConfig.CertificateChain) > 0 { + cert.PrivateKey = remotesigner.New(cert.Leaf, s2AStream) + if cert.PrivateKey == nil { + return nil, errors.New("failed to retrieve Private Key from Remote Signer Library") + } + } + + minVersion, maxVersion, err := getTLSMinMaxVersionsClient(tlsConfig) + if err != nil { + return nil, err + } + + // Create mTLS credentials for client. + config := &tls.Config{ + VerifyPeerCertificate: certverifier.VerifyServerCertificateChain(serverHostname, verificationMode, s2AStream, serverAuthorizationPolicy), + ServerName: serverHostname, + InsecureSkipVerify: true, // NOLINT + ClientSessionCache: nil, + SessionTicketsDisabled: true, + MinVersion: minVersion, + MaxVersion: maxVersion, + NextProtos: []string{h2}, + } + if len(tlsConfig.CertificateChain) > 0 { + config.Certificates = []tls.Certificate{cert} + } + return config, nil +} + +// GetTLSConfigurationForServer returns a tls.Config instance for use by a server application. +func GetTLSConfigurationForServer(s2AStream stream.S2AStream, tokenManager tokenmanager.AccessTokenManager, localIdentities []*commonpbv1.Identity, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode) (*tls.Config, error) { + return &tls.Config{ + GetConfigForClient: ClientConfig(tokenManager, localIdentities, verificationMode, s2AStream), + }, nil +} + +// ClientConfig builds a TLS config for a server to establish a secure +// connection with a client, based on SNI communicated during ClientHello. +// Ensures that server presents the correct certificate to establish a TLS +// connection. +func ClientConfig(tokenManager tokenmanager.AccessTokenManager, localIdentities []*commonpbv1.Identity, verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode, s2AStream stream.S2AStream) func(chi *tls.ClientHelloInfo) (*tls.Config, error) { + return func(chi *tls.ClientHelloInfo) (*tls.Config, error) { + tlsConfig, err := getServerConfigFromS2Av2(tokenManager, localIdentities, chi.ServerName, s2AStream) + if err != nil { + return nil, err + } + + var cert tls.Certificate + for i, v := range tlsConfig.CertificateChain { + // Populate Certificates field. + block, _ := pem.Decode([]byte(v)) + if block == nil { + return nil, errors.New("certificate in CertificateChain obtained from S2Av2 is empty") + } + x509Cert, err := x509.ParseCertificate(block.Bytes) + if err != nil { + return nil, err + } + cert.Certificate = append(cert.Certificate, x509Cert.Raw) + if i == 0 { + cert.Leaf = x509Cert + } + } + + cert.PrivateKey = remotesigner.New(cert.Leaf, s2AStream) + if cert.PrivateKey == nil { + return nil, errors.New("failed to retrieve Private Key from Remote Signer Library") + } + + minVersion, maxVersion, err := getTLSMinMaxVersionsServer(tlsConfig) + if err != nil { + return nil, err + } + + clientAuth := getTLSClientAuthType(tlsConfig) + + var cipherSuites []uint16 + cipherSuites = getCipherSuites(tlsConfig.Ciphersuites) + + // Create mTLS credentials for server. + return &tls.Config{ + Certificates: []tls.Certificate{cert}, + VerifyPeerCertificate: certverifier.VerifyClientCertificateChain(verificationMode, s2AStream), + ClientAuth: clientAuth, + CipherSuites: cipherSuites, + SessionTicketsDisabled: true, + MinVersion: minVersion, + MaxVersion: maxVersion, + NextProtos: []string{h2}, + }, nil + } +} + +func getCipherSuites(tlsConfigCipherSuites []commonpb.Ciphersuite) []uint16 { + var tlsGoCipherSuites []uint16 + for _, v := range tlsConfigCipherSuites { + s := getTLSCipherSuite(v) + if s != 0xffff { + tlsGoCipherSuites = append(tlsGoCipherSuites, s) + } + } + return tlsGoCipherSuites +} + +func getTLSCipherSuite(tlsCipherSuite commonpb.Ciphersuite) uint16 { + switch tlsCipherSuite { + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: + return tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: + return tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256: + return tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_AES_128_GCM_SHA256: + return tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_AES_256_GCM_SHA384: + return tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 + case commonpb.Ciphersuite_CIPHERSUITE_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256: + return tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 + default: + return 0xffff + } +} + +func getServerConfigFromS2Av2(tokenManager tokenmanager.AccessTokenManager, localIdentities []*commonpbv1.Identity, sni string, s2AStream stream.S2AStream) (*s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration, error) { + authMechanisms := getAuthMechanisms(tokenManager, localIdentities) + var locID *commonpbv1.Identity + if localIdentities != nil { + locID = localIdentities[0] + } + + if err := s2AStream.Send(&s2av2pb.SessionReq{ + LocalIdentity: locID, + AuthenticationMechanisms: authMechanisms, + ReqOneof: &s2av2pb.SessionReq_GetTlsConfigurationReq{ + GetTlsConfigurationReq: &s2av2pb.GetTlsConfigurationReq{ + ConnectionSide: commonpb.ConnectionSide_CONNECTION_SIDE_SERVER, + Sni: sni, + }, + }, + }); err != nil { + return nil, err + } + + resp, err := s2AStream.Recv() + if err != nil { + return nil, err + } + + // TODO(rmehta19): Add unit test for this if statement. + if (resp.GetStatus() != nil) && (resp.GetStatus().Code != uint32(codes.OK)) { + return nil, fmt.Errorf("failed to get TLS configuration from S2A: %d, %v", resp.GetStatus().Code, resp.GetStatus().Details) + } + + return resp.GetGetTlsConfigurationResp().GetServerTlsConfiguration(), nil +} + +func getTLSClientAuthType(tlsConfig *s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration) tls.ClientAuthType { + var clientAuth tls.ClientAuthType + switch x := tlsConfig.RequestClientCertificate; x { + case s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration_DONT_REQUEST_CLIENT_CERTIFICATE: + clientAuth = tls.NoClientCert + case s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY: + clientAuth = tls.RequestClientCert + case s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY: + // This case actually maps to tls.VerifyClientCertIfGiven. However this + // mapping triggers normal verification, followed by custom verification, + // specified in VerifyPeerCertificate. To bypass normal verification, and + // only do custom verification we set clientAuth to RequireAnyClientCert or + // RequestClientCert. See https://github.com/google/s2a-go/pull/43 for full + // discussion. + clientAuth = tls.RequireAnyClientCert + case s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY: + clientAuth = tls.RequireAnyClientCert + case s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY: + // This case actually maps to tls.RequireAndVerifyClientCert. However this + // mapping triggers normal verification, followed by custom verification, + // specified in VerifyPeerCertificate. To bypass normal verification, and + // only do custom verification we set clientAuth to RequireAnyClientCert or + // RequestClientCert. See https://github.com/google/s2a-go/pull/43 for full + // discussion. + clientAuth = tls.RequireAnyClientCert + default: + clientAuth = tls.RequireAnyClientCert + } + return clientAuth +} + +func getAuthMechanisms(tokenManager tokenmanager.AccessTokenManager, localIdentities []*commonpbv1.Identity) []*s2av2pb.AuthenticationMechanism { + if tokenManager == nil { + return nil + } + if len(localIdentities) == 0 { + token, err := tokenManager.DefaultToken() + if err != nil { + grpclog.Infof("Unable to get token for empty local identity: %v", err) + return nil + } + return []*s2av2pb.AuthenticationMechanism{ + { + MechanismOneof: &s2av2pb.AuthenticationMechanism_Token{ + Token: token, + }, + }, + } + } + var authMechanisms []*s2av2pb.AuthenticationMechanism + for _, localIdentity := range localIdentities { + if localIdentity == nil { + token, err := tokenManager.DefaultToken() + if err != nil { + grpclog.Infof("Unable to get default token for local identity %v: %v", localIdentity, err) + continue + } + authMechanisms = append(authMechanisms, &s2av2pb.AuthenticationMechanism{ + Identity: localIdentity, + MechanismOneof: &s2av2pb.AuthenticationMechanism_Token{ + Token: token, + }, + }) + } else { + token, err := tokenManager.Token(localIdentity) + if err != nil { + grpclog.Infof("Unable to get token for local identity %v: %v", localIdentity, err) + continue + } + authMechanisms = append(authMechanisms, &s2av2pb.AuthenticationMechanism{ + Identity: localIdentity, + MechanismOneof: &s2av2pb.AuthenticationMechanism_Token{ + Token: token, + }, + }) + } + } + return authMechanisms +} + +// TODO(rmehta19): refactor switch statements into a helper function. +func getTLSMinMaxVersionsClient(tlsConfig *s2av2pb.GetTlsConfigurationResp_ClientTlsConfiguration) (uint16, uint16, error) { + // Map S2Av2 TLSVersion to consts defined in tls package. + var minVersion uint16 + var maxVersion uint16 + switch x := tlsConfig.MinTlsVersion; x { + case commonpb.TLSVersion_TLS_VERSION_1_0: + minVersion = tls.VersionTLS10 + case commonpb.TLSVersion_TLS_VERSION_1_1: + minVersion = tls.VersionTLS11 + case commonpb.TLSVersion_TLS_VERSION_1_2: + minVersion = tls.VersionTLS12 + case commonpb.TLSVersion_TLS_VERSION_1_3: + minVersion = tls.VersionTLS13 + default: + return minVersion, maxVersion, fmt.Errorf("S2Av2 provided invalid MinTlsVersion: %v", x) + } + + switch x := tlsConfig.MaxTlsVersion; x { + case commonpb.TLSVersion_TLS_VERSION_1_0: + maxVersion = tls.VersionTLS10 + case commonpb.TLSVersion_TLS_VERSION_1_1: + maxVersion = tls.VersionTLS11 + case commonpb.TLSVersion_TLS_VERSION_1_2: + maxVersion = tls.VersionTLS12 + case commonpb.TLSVersion_TLS_VERSION_1_3: + maxVersion = tls.VersionTLS13 + default: + return minVersion, maxVersion, fmt.Errorf("S2Av2 provided invalid MaxTlsVersion: %v", x) + } + if minVersion > maxVersion { + return minVersion, maxVersion, errors.New("S2Av2 provided minVersion > maxVersion") + } + return minVersion, maxVersion, nil +} + +func getTLSMinMaxVersionsServer(tlsConfig *s2av2pb.GetTlsConfigurationResp_ServerTlsConfiguration) (uint16, uint16, error) { + // Map S2Av2 TLSVersion to consts defined in tls package. + var minVersion uint16 + var maxVersion uint16 + switch x := tlsConfig.MinTlsVersion; x { + case commonpb.TLSVersion_TLS_VERSION_1_0: + minVersion = tls.VersionTLS10 + case commonpb.TLSVersion_TLS_VERSION_1_1: + minVersion = tls.VersionTLS11 + case commonpb.TLSVersion_TLS_VERSION_1_2: + minVersion = tls.VersionTLS12 + case commonpb.TLSVersion_TLS_VERSION_1_3: + minVersion = tls.VersionTLS13 + default: + return minVersion, maxVersion, fmt.Errorf("S2Av2 provided invalid MinTlsVersion: %v", x) + } + + switch x := tlsConfig.MaxTlsVersion; x { + case commonpb.TLSVersion_TLS_VERSION_1_0: + maxVersion = tls.VersionTLS10 + case commonpb.TLSVersion_TLS_VERSION_1_1: + maxVersion = tls.VersionTLS11 + case commonpb.TLSVersion_TLS_VERSION_1_2: + maxVersion = tls.VersionTLS12 + case commonpb.TLSVersion_TLS_VERSION_1_3: + maxVersion = tls.VersionTLS13 + default: + return minVersion, maxVersion, fmt.Errorf("S2Av2 provided invalid MaxTlsVersion: %v", x) + } + if minVersion > maxVersion { + return minVersion, maxVersion, errors.New("S2Av2 provided minVersion > maxVersion") + } + return minVersion, maxVersion, nil +} diff --git a/vendor/github.com/google/s2a-go/s2a.go b/vendor/github.com/google/s2a-go/s2a.go new file mode 100644 index 000000000..1c1349de4 --- /dev/null +++ b/vendor/github.com/google/s2a-go/s2a.go @@ -0,0 +1,412 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package s2a provides the S2A transport credentials used by a gRPC +// application. +package s2a + +import ( + "context" + "crypto/tls" + "errors" + "fmt" + "net" + "sync" + "time" + + "github.com/golang/protobuf/proto" + "github.com/google/s2a-go/fallback" + "github.com/google/s2a-go/internal/handshaker" + "github.com/google/s2a-go/internal/handshaker/service" + "github.com/google/s2a-go/internal/tokenmanager" + "github.com/google/s2a-go/internal/v2" + "google.golang.org/grpc/credentials" + "google.golang.org/grpc/grpclog" + + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +const ( + s2aSecurityProtocol = "tls" + // defaultTimeout specifies the default server handshake timeout. + defaultTimeout = 30.0 * time.Second +) + +// s2aTransportCreds are the transport credentials required for establishing +// a secure connection using the S2A. They implement the +// credentials.TransportCredentials interface. +type s2aTransportCreds struct { + info *credentials.ProtocolInfo + minTLSVersion commonpb.TLSVersion + maxTLSVersion commonpb.TLSVersion + // tlsCiphersuites contains the ciphersuites used in the S2A connection. + // Note that these are currently unconfigurable. + tlsCiphersuites []commonpb.Ciphersuite + // localIdentity should only be used by the client. + localIdentity *commonpb.Identity + // localIdentities should only be used by the server. + localIdentities []*commonpb.Identity + // targetIdentities should only be used by the client. + targetIdentities []*commonpb.Identity + isClient bool + s2aAddr string + ensureProcessSessionTickets *sync.WaitGroup +} + +// NewClientCreds returns a client-side transport credentials object that uses +// the S2A to establish a secure connection with a server. +func NewClientCreds(opts *ClientOptions) (credentials.TransportCredentials, error) { + if opts == nil { + return nil, errors.New("nil client options") + } + var targetIdentities []*commonpb.Identity + for _, targetIdentity := range opts.TargetIdentities { + protoTargetIdentity, err := toProtoIdentity(targetIdentity) + if err != nil { + return nil, err + } + targetIdentities = append(targetIdentities, protoTargetIdentity) + } + localIdentity, err := toProtoIdentity(opts.LocalIdentity) + if err != nil { + return nil, err + } + if opts.EnableLegacyMode { + return &s2aTransportCreds{ + info: &credentials.ProtocolInfo{ + SecurityProtocol: s2aSecurityProtocol, + }, + minTLSVersion: commonpb.TLSVersion_TLS1_3, + maxTLSVersion: commonpb.TLSVersion_TLS1_3, + tlsCiphersuites: []commonpb.Ciphersuite{ + commonpb.Ciphersuite_AES_128_GCM_SHA256, + commonpb.Ciphersuite_AES_256_GCM_SHA384, + commonpb.Ciphersuite_CHACHA20_POLY1305_SHA256, + }, + localIdentity: localIdentity, + targetIdentities: targetIdentities, + isClient: true, + s2aAddr: opts.S2AAddress, + ensureProcessSessionTickets: opts.EnsureProcessSessionTickets, + }, nil + } + verificationMode := getVerificationMode(opts.VerificationMode) + var fallbackFunc fallback.ClientHandshake + if opts.FallbackOpts != nil && opts.FallbackOpts.FallbackClientHandshakeFunc != nil { + fallbackFunc = opts.FallbackOpts.FallbackClientHandshakeFunc + } + return v2.NewClientCreds(opts.S2AAddress, localIdentity, verificationMode, fallbackFunc, opts.getS2AStream, opts.serverAuthorizationPolicy) +} + +// NewServerCreds returns a server-side transport credentials object that uses +// the S2A to establish a secure connection with a client. +func NewServerCreds(opts *ServerOptions) (credentials.TransportCredentials, error) { + if opts == nil { + return nil, errors.New("nil server options") + } + var localIdentities []*commonpb.Identity + for _, localIdentity := range opts.LocalIdentities { + protoLocalIdentity, err := toProtoIdentity(localIdentity) + if err != nil { + return nil, err + } + localIdentities = append(localIdentities, protoLocalIdentity) + } + if opts.EnableLegacyMode { + return &s2aTransportCreds{ + info: &credentials.ProtocolInfo{ + SecurityProtocol: s2aSecurityProtocol, + }, + minTLSVersion: commonpb.TLSVersion_TLS1_3, + maxTLSVersion: commonpb.TLSVersion_TLS1_3, + tlsCiphersuites: []commonpb.Ciphersuite{ + commonpb.Ciphersuite_AES_128_GCM_SHA256, + commonpb.Ciphersuite_AES_256_GCM_SHA384, + commonpb.Ciphersuite_CHACHA20_POLY1305_SHA256, + }, + localIdentities: localIdentities, + isClient: false, + s2aAddr: opts.S2AAddress, + }, nil + } + verificationMode := getVerificationMode(opts.VerificationMode) + return v2.NewServerCreds(opts.S2AAddress, localIdentities, verificationMode, opts.getS2AStream) +} + +// ClientHandshake initiates a client-side TLS handshake using the S2A. +func (c *s2aTransportCreds) ClientHandshake(ctx context.Context, serverAuthority string, rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) { + if !c.isClient { + return nil, nil, errors.New("client handshake called using server transport credentials") + } + + // Connect to the S2A. + hsConn, err := service.Dial(c.s2aAddr) + if err != nil { + grpclog.Infof("Failed to connect to S2A: %v", err) + return nil, nil, err + } + + var cancel context.CancelFunc + ctx, cancel = context.WithCancel(ctx) + defer cancel() + + opts := &handshaker.ClientHandshakerOptions{ + MinTLSVersion: c.minTLSVersion, + MaxTLSVersion: c.maxTLSVersion, + TLSCiphersuites: c.tlsCiphersuites, + TargetIdentities: c.targetIdentities, + LocalIdentity: c.localIdentity, + TargetName: serverAuthority, + EnsureProcessSessionTickets: c.ensureProcessSessionTickets, + } + chs, err := handshaker.NewClientHandshaker(ctx, hsConn, rawConn, c.s2aAddr, opts) + if err != nil { + grpclog.Infof("Call to handshaker.NewClientHandshaker failed: %v", err) + return nil, nil, err + } + defer func() { + if err != nil { + if closeErr := chs.Close(); closeErr != nil { + grpclog.Infof("Close failed unexpectedly: %v", err) + err = fmt.Errorf("%v: close unexpectedly failed: %v", err, closeErr) + } + } + }() + + secConn, authInfo, err := chs.ClientHandshake(context.Background()) + if err != nil { + grpclog.Infof("Handshake failed: %v", err) + return nil, nil, err + } + return secConn, authInfo, nil +} + +// ServerHandshake initiates a server-side TLS handshake using the S2A. +func (c *s2aTransportCreds) ServerHandshake(rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) { + if c.isClient { + return nil, nil, errors.New("server handshake called using client transport credentials") + } + + // Connect to the S2A. + hsConn, err := service.Dial(c.s2aAddr) + if err != nil { + grpclog.Infof("Failed to connect to S2A: %v", err) + return nil, nil, err + } + + ctx, cancel := context.WithTimeout(context.Background(), defaultTimeout) + defer cancel() + + opts := &handshaker.ServerHandshakerOptions{ + MinTLSVersion: c.minTLSVersion, + MaxTLSVersion: c.maxTLSVersion, + TLSCiphersuites: c.tlsCiphersuites, + LocalIdentities: c.localIdentities, + } + shs, err := handshaker.NewServerHandshaker(ctx, hsConn, rawConn, c.s2aAddr, opts) + if err != nil { + grpclog.Infof("Call to handshaker.NewServerHandshaker failed: %v", err) + return nil, nil, err + } + defer func() { + if err != nil { + if closeErr := shs.Close(); closeErr != nil { + grpclog.Infof("Close failed unexpectedly: %v", err) + err = fmt.Errorf("%v: close unexpectedly failed: %v", err, closeErr) + } + } + }() + + secConn, authInfo, err := shs.ServerHandshake(context.Background()) + if err != nil { + grpclog.Infof("Handshake failed: %v", err) + return nil, nil, err + } + return secConn, authInfo, nil +} + +func (c *s2aTransportCreds) Info() credentials.ProtocolInfo { + return *c.info +} + +func (c *s2aTransportCreds) Clone() credentials.TransportCredentials { + info := *c.info + var localIdentity *commonpb.Identity + if c.localIdentity != nil { + localIdentity = proto.Clone(c.localIdentity).(*commonpb.Identity) + } + var localIdentities []*commonpb.Identity + if c.localIdentities != nil { + localIdentities = make([]*commonpb.Identity, len(c.localIdentities)) + for i, localIdentity := range c.localIdentities { + localIdentities[i] = proto.Clone(localIdentity).(*commonpb.Identity) + } + } + var targetIdentities []*commonpb.Identity + if c.targetIdentities != nil { + targetIdentities = make([]*commonpb.Identity, len(c.targetIdentities)) + for i, targetIdentity := range c.targetIdentities { + targetIdentities[i] = proto.Clone(targetIdentity).(*commonpb.Identity) + } + } + return &s2aTransportCreds{ + info: &info, + minTLSVersion: c.minTLSVersion, + maxTLSVersion: c.maxTLSVersion, + tlsCiphersuites: c.tlsCiphersuites, + localIdentity: localIdentity, + localIdentities: localIdentities, + targetIdentities: targetIdentities, + isClient: c.isClient, + s2aAddr: c.s2aAddr, + } +} + +func (c *s2aTransportCreds) OverrideServerName(serverNameOverride string) error { + c.info.ServerName = serverNameOverride + return nil +} + +// TLSClientConfigOptions specifies parameters for creating client TLS config. +type TLSClientConfigOptions struct { + // ServerName is required by s2a as the expected name when verifying the hostname found in server's certificate. + // tlsConfig, _ := factory.Build(ctx, &s2a.TLSClientConfigOptions{ + // ServerName: "example.com", + // }) + ServerName string +} + +// TLSClientConfigFactory defines the interface for a client TLS config factory. +type TLSClientConfigFactory interface { + Build(ctx context.Context, opts *TLSClientConfigOptions) (*tls.Config, error) +} + +// NewTLSClientConfigFactory returns an instance of s2aTLSClientConfigFactory. +func NewTLSClientConfigFactory(opts *ClientOptions) (TLSClientConfigFactory, error) { + if opts == nil { + return nil, fmt.Errorf("opts must be non-nil") + } + if opts.EnableLegacyMode { + return nil, fmt.Errorf("NewTLSClientConfigFactory only supports S2Av2") + } + tokenManager, err := tokenmanager.NewSingleTokenAccessTokenManager() + if err != nil { + // The only possible error is: access token not set in the environment, + // which is okay in environments other than serverless. + grpclog.Infof("Access token manager not initialized: %v", err) + return &s2aTLSClientConfigFactory{ + s2av2Address: opts.S2AAddress, + tokenManager: nil, + verificationMode: getVerificationMode(opts.VerificationMode), + serverAuthorizationPolicy: opts.serverAuthorizationPolicy, + }, nil + } + return &s2aTLSClientConfigFactory{ + s2av2Address: opts.S2AAddress, + tokenManager: tokenManager, + verificationMode: getVerificationMode(opts.VerificationMode), + serverAuthorizationPolicy: opts.serverAuthorizationPolicy, + }, nil +} + +type s2aTLSClientConfigFactory struct { + s2av2Address string + tokenManager tokenmanager.AccessTokenManager + verificationMode s2av2pb.ValidatePeerCertificateChainReq_VerificationMode + serverAuthorizationPolicy []byte +} + +func (f *s2aTLSClientConfigFactory) Build( + ctx context.Context, opts *TLSClientConfigOptions) (*tls.Config, error) { + serverName := "" + if opts != nil && opts.ServerName != "" { + serverName = opts.ServerName + } + return v2.NewClientTLSConfig(ctx, f.s2av2Address, f.tokenManager, f.verificationMode, serverName, f.serverAuthorizationPolicy) +} + +func getVerificationMode(verificationMode VerificationModeType) s2av2pb.ValidatePeerCertificateChainReq_VerificationMode { + switch verificationMode { + case ConnectToGoogle: + return s2av2pb.ValidatePeerCertificateChainReq_CONNECT_TO_GOOGLE + case Spiffe: + return s2av2pb.ValidatePeerCertificateChainReq_SPIFFE + default: + return s2av2pb.ValidatePeerCertificateChainReq_UNSPECIFIED + } +} + +// NewS2ADialTLSContextFunc returns a dialer which establishes an MTLS connection using S2A. +// Example use with http.RoundTripper: +// +// dialTLSContext := s2a.NewS2aDialTLSContextFunc(&s2a.ClientOptions{ +// S2AAddress: s2aAddress, // required +// }) +// transport := http.DefaultTransport +// transport.DialTLSContext = dialTLSContext +func NewS2ADialTLSContextFunc(opts *ClientOptions) func(ctx context.Context, network, addr string) (net.Conn, error) { + + return func(ctx context.Context, network, addr string) (net.Conn, error) { + + fallback := func(err error) (net.Conn, error) { + if opts.FallbackOpts != nil && opts.FallbackOpts.FallbackDialer != nil && + opts.FallbackOpts.FallbackDialer.Dialer != nil && opts.FallbackOpts.FallbackDialer.ServerAddr != "" { + fbDialer := opts.FallbackOpts.FallbackDialer + grpclog.Infof("fall back to dial: %s", fbDialer.ServerAddr) + fbConn, fbErr := fbDialer.Dialer.DialContext(ctx, network, fbDialer.ServerAddr) + if fbErr != nil { + return nil, fmt.Errorf("error fallback to %s: %v; S2A error: %w", fbDialer.ServerAddr, fbErr, err) + } + return fbConn, nil + } + return nil, err + } + + factory, err := NewTLSClientConfigFactory(opts) + if err != nil { + grpclog.Infof("error creating S2A client config factory: %v", err) + return fallback(err) + } + + serverName, _, err := net.SplitHostPort(addr) + if err != nil { + serverName = addr + } + timeoutCtx, cancel := context.WithTimeout(ctx, v2.GetS2ATimeout()) + defer cancel() + s2aTLSConfig, err := factory.Build(timeoutCtx, &TLSClientConfigOptions{ + ServerName: serverName, + }) + if err != nil { + grpclog.Infof("error building S2A TLS config: %v", err) + return fallback(err) + } + + s2aDialer := &tls.Dialer{ + Config: s2aTLSConfig, + } + c, err := s2aDialer.DialContext(ctx, network, addr) + if err != nil { + grpclog.Infof("error dialing with S2A to %s: %v", addr, err) + return fallback(err) + } + grpclog.Infof("success dialing MTLS to %s with S2A", addr) + return c, nil + } +} diff --git a/vendor/github.com/google/s2a-go/s2a_options.go b/vendor/github.com/google/s2a-go/s2a_options.go new file mode 100644 index 000000000..94feafb9c --- /dev/null +++ b/vendor/github.com/google/s2a-go/s2a_options.go @@ -0,0 +1,208 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package s2a + +import ( + "context" + "crypto/tls" + "errors" + "sync" + + "github.com/google/s2a-go/fallback" + "github.com/google/s2a-go/stream" + + s2apb "github.com/google/s2a-go/internal/proto/common_go_proto" +) + +// Identity is the interface for S2A identities. +type Identity interface { + // Name returns the name of the identity. + Name() string +} + +type spiffeID struct { + spiffeID string +} + +func (s *spiffeID) Name() string { return s.spiffeID } + +// NewSpiffeID creates a SPIFFE ID from id. +func NewSpiffeID(id string) Identity { + return &spiffeID{spiffeID: id} +} + +type hostname struct { + hostname string +} + +func (h *hostname) Name() string { return h.hostname } + +// NewHostname creates a hostname from name. +func NewHostname(name string) Identity { + return &hostname{hostname: name} +} + +type uid struct { + uid string +} + +func (h *uid) Name() string { return h.uid } + +// NewUID creates a UID from name. +func NewUID(name string) Identity { + return &uid{uid: name} +} + +// VerificationModeType specifies the mode that S2A must use to verify the peer +// certificate chain. +type VerificationModeType int + +// Three types of verification modes. +const ( + Unspecified = iota + ConnectToGoogle + Spiffe +) + +// ClientOptions contains the client-side options used to establish a secure +// channel using the S2A handshaker service. +type ClientOptions struct { + // TargetIdentities contains a list of allowed server identities. One of the + // target identities should match the peer identity in the handshake + // result; otherwise, the handshake fails. + TargetIdentities []Identity + // LocalIdentity is the local identity of the client application. If none is + // provided, then the S2A will choose the default identity, if one exists. + LocalIdentity Identity + // S2AAddress is the address of the S2A. + S2AAddress string + // EnsureProcessSessionTickets waits for all session tickets to be sent to + // S2A before a process completes. + // + // This functionality is crucial for processes that complete very soon after + // using S2A to establish a TLS connection, but it can be ignored for longer + // lived processes. + // + // Usage example: + // func main() { + // var ensureProcessSessionTickets sync.WaitGroup + // clientOpts := &s2a.ClientOptions{ + // EnsureProcessSessionTickets: &ensureProcessSessionTickets, + // // Set other members. + // } + // creds, _ := s2a.NewClientCreds(clientOpts) + // conn, _ := grpc.Dial(serverAddr, grpc.WithTransportCredentials(creds)) + // defer conn.Close() + // + // // Make RPC call. + // + // // The process terminates right after the RPC call ends. + // // ensureProcessSessionTickets can be used to ensure resumption + // // tickets are fully processed. If the process is long-lived, using + // // ensureProcessSessionTickets is not necessary. + // ensureProcessSessionTickets.Wait() + // } + EnsureProcessSessionTickets *sync.WaitGroup + // If true, enables the use of legacy S2Av1. + EnableLegacyMode bool + // VerificationMode specifies the mode that S2A must use to verify the + // peer certificate chain. + VerificationMode VerificationModeType + + // Optional fallback after dialing with S2A fails. + FallbackOpts *FallbackOptions + + // Generates an S2AStream interface for talking to the S2A server. + getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error) + + // Serialized user specified policy for server authorization. + serverAuthorizationPolicy []byte +} + +// FallbackOptions prescribes the fallback logic that should be taken if the application fails to connect with S2A. +type FallbackOptions struct { + // FallbackClientHandshakeFunc is used to specify fallback behavior when calling s2a.NewClientCreds(). + // It will be called by ClientHandshake function, after handshake with S2A fails. + // s2a.NewClientCreds() ignores the other FallbackDialer field. + FallbackClientHandshakeFunc fallback.ClientHandshake + + // FallbackDialer is used to specify fallback behavior when calling s2a.NewS2aDialTLSContextFunc(). + // It passes in a custom fallback dialer and server address to use after dialing with S2A fails. + // s2a.NewS2aDialTLSContextFunc() ignores the other FallbackClientHandshakeFunc field. + FallbackDialer *FallbackDialer +} + +// FallbackDialer contains a fallback tls.Dialer and a server address to connect to. +type FallbackDialer struct { + // Dialer specifies a fallback tls.Dialer. + Dialer *tls.Dialer + // ServerAddr is used by Dialer to establish fallback connection. + ServerAddr string +} + +// DefaultClientOptions returns the default client options. +func DefaultClientOptions(s2aAddress string) *ClientOptions { + return &ClientOptions{ + S2AAddress: s2aAddress, + VerificationMode: ConnectToGoogle, + } +} + +// ServerOptions contains the server-side options used to establish a secure +// channel using the S2A handshaker service. +type ServerOptions struct { + // LocalIdentities is the list of local identities that may be assumed by + // the server. If no local identity is specified, then the S2A chooses a + // default local identity, if one exists. + LocalIdentities []Identity + // S2AAddress is the address of the S2A. + S2AAddress string + // If true, enables the use of legacy S2Av1. + EnableLegacyMode bool + // VerificationMode specifies the mode that S2A must use to verify the + // peer certificate chain. + VerificationMode VerificationModeType + + // Generates an S2AStream interface for talking to the S2A server. + getS2AStream func(ctx context.Context, s2av2Address string) (stream.S2AStream, error) +} + +// DefaultServerOptions returns the default server options. +func DefaultServerOptions(s2aAddress string) *ServerOptions { + return &ServerOptions{ + S2AAddress: s2aAddress, + VerificationMode: ConnectToGoogle, + } +} + +func toProtoIdentity(identity Identity) (*s2apb.Identity, error) { + if identity == nil { + return nil, nil + } + switch id := identity.(type) { + case *spiffeID: + return &s2apb.Identity{IdentityOneof: &s2apb.Identity_SpiffeId{SpiffeId: id.Name()}}, nil + case *hostname: + return &s2apb.Identity{IdentityOneof: &s2apb.Identity_Hostname{Hostname: id.Name()}}, nil + case *uid: + return &s2apb.Identity{IdentityOneof: &s2apb.Identity_Uid{Uid: id.Name()}}, nil + default: + return nil, errors.New("unrecognized identity type") + } +} diff --git a/vendor/github.com/google/s2a-go/s2a_utils.go b/vendor/github.com/google/s2a-go/s2a_utils.go new file mode 100644 index 000000000..d649cc461 --- /dev/null +++ b/vendor/github.com/google/s2a-go/s2a_utils.go @@ -0,0 +1,79 @@ +/* + * + * Copyright 2021 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package s2a + +import ( + "context" + "errors" + + commonpb "github.com/google/s2a-go/internal/proto/common_go_proto" + "google.golang.org/grpc/credentials" + "google.golang.org/grpc/peer" +) + +// AuthInfo exposes security information from the S2A to the application. +type AuthInfo interface { + // AuthType returns the authentication type. + AuthType() string + // ApplicationProtocol returns the application protocol, e.g. "grpc". + ApplicationProtocol() string + // TLSVersion returns the TLS version negotiated during the handshake. + TLSVersion() commonpb.TLSVersion + // Ciphersuite returns the ciphersuite negotiated during the handshake. + Ciphersuite() commonpb.Ciphersuite + // PeerIdentity returns the authenticated identity of the peer. + PeerIdentity() *commonpb.Identity + // LocalIdentity returns the local identity of the application used during + // session setup. + LocalIdentity() *commonpb.Identity + // PeerCertFingerprint returns the SHA256 hash of the peer certificate used in + // the S2A handshake. + PeerCertFingerprint() []byte + // LocalCertFingerprint returns the SHA256 hash of the local certificate used + // in the S2A handshake. + LocalCertFingerprint() []byte + // IsHandshakeResumed returns true if a cached session was used to resume + // the handshake. + IsHandshakeResumed() bool + // SecurityLevel returns the security level of the connection. + SecurityLevel() credentials.SecurityLevel +} + +// AuthInfoFromPeer extracts the authinfo.S2AAuthInfo object from the given +// peer, if it exists. This API should be used by gRPC clients after +// obtaining a peer object using the grpc.Peer() CallOption. +func AuthInfoFromPeer(p *peer.Peer) (AuthInfo, error) { + s2aAuthInfo, ok := p.AuthInfo.(AuthInfo) + if !ok { + return nil, errors.New("no S2AAuthInfo found in Peer") + } + return s2aAuthInfo, nil +} + +// AuthInfoFromContext extracts the authinfo.S2AAuthInfo object from the given +// context, if it exists. This API should be used by gRPC server RPC handlers +// to get information about the peer. On the client-side, use the grpc.Peer() +// CallOption and the AuthInfoFromPeer function. +func AuthInfoFromContext(ctx context.Context) (AuthInfo, error) { + p, ok := peer.FromContext(ctx) + if !ok { + return nil, errors.New("no Peer found in Context") + } + return AuthInfoFromPeer(p) +} diff --git a/vendor/github.com/google/s2a-go/stream/s2a_stream.go b/vendor/github.com/google/s2a-go/stream/s2a_stream.go new file mode 100644 index 000000000..584bf32b1 --- /dev/null +++ b/vendor/github.com/google/s2a-go/stream/s2a_stream.go @@ -0,0 +1,34 @@ +/* + * + * Copyright 2023 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package stream provides an interface for bidirectional streaming to the S2A server. +package stream + +import ( + s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto" +) + +// S2AStream defines the operation for communicating with the S2A server over a bidirectional stream. +type S2AStream interface { + // Send sends the message to the S2A server. + Send(*s2av2pb.SessionReq) error + // Recv receives the message from the S2A server. + Recv() (*s2av2pb.SessionResp, error) + // Closes the channel to the S2A server. + CloseSend() error +} diff --git a/vendor/github.com/google/s2a-go/testdata/client_cert.pem b/vendor/github.com/google/s2a-go/testdata/client_cert.pem new file mode 100644 index 000000000..493a5a264 --- /dev/null +++ b/vendor/github.com/google/s2a-go/testdata/client_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKXNlBRVe6UepjQUijIFPZBd/4qYwDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwMzE1WhcNNDIwNTI2MjAwMzE1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAOOFuIucH7XXfohGxKd3uR/ihUA/LdduR9I8kfpUEbq5BOt8xZe5/Yn9 +a1ozEHVW6cOAbHbnwAR8tkSgZ/t42QIA2k77HWU1Jh2xiEIsJivo3imm4/kZWuR0 +OqPh7MhzxpR/hvNwpI5mJsAVBWFMa5KtecFZLnyZtwHylrRN1QXzuLrOxuKFufK3 +RKbTABScn5RbZL976H/jgfSeXrbt242NrIoBnVe6fRbekbq2DQ6zFArbQMUgHjHK +P0UqBgdr1QmHfi9KytFyx9BTP3gXWnWIu+bY7/v7qKJMHFwGETo+dCLWYevJL316 +HnLfhApDMfP8U+Yv/y1N/YvgaSOSlEcCAwEAAaNTMFEwHQYDVR0OBBYEFKhAU4nu +0h/lrnggbIGvx4ej0WklMB8GA1UdIwQYMBaAFKhAU4nu0h/lrnggbIGvx4ej0Wkl +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAE/6NghzQ5fu6yR6 +EHKbj/YMrFdT7aGn5n2sAf7wJ33LIhiFHkpWBsVlm7rDtZtwhe891ZK/P60anlg9 +/P0Ua53tSRVRmCvTnEbXWOVMN4is6MsR7BlmzUxl4AtIn7jbeifEwRL7B4xDYmdA +QrQnsqoz45dLgS5xK4WDqXATP09Q91xQDuhud/b+A4jrvgwFASmL7rMIZbp4f1JQ +nlnl/9VoTBQBvJiWkDUtQDMpRLtauddEkv4AGz75p5IspXWD6cOemuh2iQec11xD +X20rs2WZbAcAiUa3nmy8OKYw435vmpj8gp39WYbX/Yx9TymrFFbVY92wYn+quTco +pKklVz0= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/testdata/client_key.pem b/vendor/github.com/google/s2a-go/testdata/client_key.pem new file mode 100644 index 000000000..55a7f10c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/testdata/client_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEogIBAAKCAQEA44W4i5wftdd+iEbEp3e5H+KFQD8t125H0jyR+lQRurkE63zF +l7n9if1rWjMQdVbpw4BsdufABHy2RKBn+3jZAgDaTvsdZTUmHbGIQiwmK+jeKabj ++Rla5HQ6o+HsyHPGlH+G83CkjmYmwBUFYUxrkq15wVkufJm3AfKWtE3VBfO4us7G +4oW58rdEptMAFJyflFtkv3vof+OB9J5etu3bjY2sigGdV7p9Ft6RurYNDrMUCttA +xSAeMco/RSoGB2vVCYd+L0rK0XLH0FM/eBdadYi75tjv+/uookwcXAYROj50ItZh +68kvfXoect+ECkMx8/xT5i//LU39i+BpI5KURwIDAQABAoIBABgyjo/6iLzUMFbZ +/+w3pW6orrdIgN2akvTfED9pVYFgUA+jc3hRhY95bkNnjuaL2cy7Cc4Tk65mfRQL +Y0OxdJLr+EvSFSxAXM9npDA1ddHRsF8JqtFBSxNk8R+g1Yf0GDiO35Fgd3/ViWWA +VtQkRoSRApP3oiQKTRZd8H04keFR+PvmDk/Lq11l3Kc24A1PevKIPX1oI990ggw9 +9i4uSV+cnuMxmcI9xxJtgwdDFdjr39l2arLOHr4s6LGoV2IOdXHNlv5xRqWUZ0FH +MDHowkLgwDrdSTnNeaVNkce14Gqx+bd4hNaLCdKXMpedBTEmrut3f3hdV1kKjaKt +aqRYr8ECgYEA/YDGZY2jvFoHHBywlqmEMFrrCvQGH51m5R1Ntpkzr+Rh3YCmrpvq +xgwJXING0PUw3dz+xrH5lJICrfNE5Kt3fPu1rAEy+13mYsNowghtUq2Rtu0Hsjjx +2E3Bf8vEB6RNBMmGkUpTTIAroGF5tpJoRvfnWax+k4pFdrKYFtyZdNcCgYEA5cNv +EPltvOobjTXlUmtVP3n27KZN2aXexTcagLzRxE9CV4cYySENl3KuOMmccaZpIl6z +aHk6BT4X+M0LqElNUczrInfVqI+SGAFLGy7W6CJaqSr6cpyFUP/fosKpm6wKGgLq +udHfpvz5rckhKd8kJxFLvhGOK9yN5qpzih0gfhECgYAJfwRvk3G5wYmYpP58dlcs +VIuPenqsPoI3PPTHTU/hW+XKnWIhElgmGRdUrto9Q6IT/Y5RtSMLTLjq+Tzwb/fm +56rziYv2XJsfwgAvnI8z1Kqrto9ePsHYf3krJ1/thVsZPc9bq/QY3ohD1sLvcuaT +GgBBnLOVJU3a12/ZE2RwOwKBgF0csWMAoj8/5IB6if+3ral2xOGsl7oPZVMo/J2V +Z7EVqb4M6rd/pKFugTpUQgkwtkSOekhpcGD1hAN5HTNK2YG/+L5UMAsKe9sskwJm +HgOfAHy0BSDzW3ey6i9skg2bT9Cww+0gJ3Hl7U1HSCBO5LjMYpSZSrNtwzfqdb5Q +BX3xAoGARZdR28Ej3+/+0+fz47Yu2h4z0EI/EbrudLOWY936jIeAVwHckI3+BuqH +qR4poj1gfbnMxNuI9UzIXzjEmGewx9kDZ7IYnvloZKqoVQODO5GlKF2ja6IcMNlh +GCNdD6PSAS6HcmalmWo9sj+1YMkrl+GJikKZqVBHrHNwMGAG67w= +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/google/s2a-go/testdata/server_cert.pem b/vendor/github.com/google/s2a-go/testdata/server_cert.pem new file mode 100644 index 000000000..0f98322c7 --- /dev/null +++ b/vendor/github.com/google/s2a-go/testdata/server_cert.pem @@ -0,0 +1,24 @@ +-----BEGIN CERTIFICATE----- +MIID8TCCAtmgAwIBAgIUKCoDuLtiZXvhsBY2RoDm0ugizJ8wDQYJKoZIhvcNAQEL +BQAwgYcxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTESMBAGA1UEBwwJU3Vubnl2 +YWxlMRAwDgYDVQQKDAdDb21wYW55MREwDwYDVQQLDAhEaXZpc2lvbjEWMBQGA1UE +AwwNczJhX3Rlc3RfY2VydDEaMBgGCSqGSIb3DQEJARYLeHl6QHh5ei5jb20wHhcN +MjIwNTMxMjAwODI1WhcNNDIwNTI2MjAwODI1WjCBhzELMAkGA1UEBhMCVVMxCzAJ +BgNVBAgMAkNBMRIwEAYDVQQHDAlTdW5ueXZhbGUxEDAOBgNVBAoMB0NvbXBhbnkx +ETAPBgNVBAsMCERpdmlzaW9uMRYwFAYDVQQDDA1zMmFfdGVzdF9jZXJ0MRowGAYJ +KoZIhvcNAQkBFgt4eXpAeHl6LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC +AQoCggEBAKK1++PXQ+M3hjYH/v0K4UEYl5ljzpNM1i52eQM+gFooojT87PDSaphT +fs0PXy/PTAjHBEvPhWpOpmQXfJNYzjwcCvg66hbqkv++/VTZiFLAsHagzkEz+FRJ +qT5Eq7G5FLyw1izX1uxyPN7tAEWEEg7eqsiaXD3Cq8+TYN9cjirPeF7RZF8yFCYE +xqvbo+Yc6RL6xw19iXVTfctRgQe581KQuIY5/LXo3dWDEilFdsADAe8XAEcO64es +Ow0g1UvXLnpXSE151kXBFb3sKH/ZjCecDYMCIMEb4sWLSblkSxJ5sNSmXIG4wtr2 +Qnii7CXZgnVYraQE/Jyh+NMQANuoSdMCAwEAAaNTMFEwHQYDVR0OBBYEFAyQQQuM +ab+YUQqjK8dVVOoHVFmXMB8GA1UdIwQYMBaAFAyQQQuMab+YUQqjK8dVVOoHVFmX +MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBADj0vQ6ykWhicoqR +e6VZMwlEJV7/DSvWWKBd9MUjfKye0A4565ya5lmnzP3DiD3nqGe3miqmLsXKDs+X +POqlPXTWIamP7D4MJ32XtSLwZB4ru+I+Ao/P/VngPepoRPQoBnzHe7jww0rokqxl +AZERjlbTUwUAy/BPWPSzSJZ2j0tcs6ZLDNyYzpK4ao8R9/1VmQ92Tcp3feJs1QTg +odRQc3om/AkWOwsll+oyX0UbJeHkFHiLanUPXbdh+/BkSvZJ8ynL+feSDdaurPe+ +PSfnqLtQft9/neecGRdEaQzzzSFVQUVQzTdK1Q7hA7b55b2HvIa3ktDiks+sJsYN +Dhm6uZM= +-----END CERTIFICATE----- diff --git a/vendor/github.com/google/s2a-go/testdata/server_key.pem b/vendor/github.com/google/s2a-go/testdata/server_key.pem new file mode 100644 index 000000000..81afea783 --- /dev/null +++ b/vendor/github.com/google/s2a-go/testdata/server_key.pem @@ -0,0 +1,27 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIEpAIBAAKCAQEAorX749dD4zeGNgf+/QrhQRiXmWPOk0zWLnZ5Az6AWiiiNPzs +8NJqmFN+zQ9fL89MCMcES8+Fak6mZBd8k1jOPBwK+DrqFuqS/779VNmIUsCwdqDO +QTP4VEmpPkSrsbkUvLDWLNfW7HI83u0ARYQSDt6qyJpcPcKrz5Ng31yOKs94XtFk +XzIUJgTGq9uj5hzpEvrHDX2JdVN9y1GBB7nzUpC4hjn8tejd1YMSKUV2wAMB7xcA +Rw7rh6w7DSDVS9cueldITXnWRcEVvewof9mMJ5wNgwIgwRvixYtJuWRLEnmw1KZc +gbjC2vZCeKLsJdmCdVitpAT8nKH40xAA26hJ0wIDAQABAoIBACaNR+lsD8G+XiZf +LqN1+HkcAo9tfnyYMAdCOtnx7SdviT9Uzi8hK/B7mAeuJLeHPlS2EuaDfPD7QaFl +jza6S+MiIdc+3kgfvESsVAnOoOY6kZUJ9NSuI6CU82y1iJjLaYZrv9NQMLRFPPb0 +4KOX709mosB1EnXvshW0rbc+jtDFhrm1SxMt+k9TuzmMxjbOeW4LOLXPgU8X1T3Q +Xy0hMZZtcgBs9wFIo8yCtmOixax9pnFE8rRltgDxTodn9LLdz1FieyntNgDksZ0P +nt4kV7Mqly7ELaea+Foaj244mKsesic2e3GhAlMRLun/VSunSf7mOCxfpITB8dp1 +drDhOYECgYEA19151dVxRcviuovN6Dar+QszMTnU8pDJ8BjLFjXjP/hNBBwMTHDE +duMuWk2qnwZqMooI/shxrF/ufmTgS0CFrh2+ANBZu27vWConJNXcyNtdigI4wt50 +L0Y2qcZn2mg67qFXHwoR3QNwrwnPwEjRXA09at9CSRZzcwDQ0ETXhYsCgYEAwPaG +06QdK8Zyly7TTzZJwxzv9uGiqzodmGtX6NEKjgij2JaCxHpukqZBJoqa0jKeK1cm +eNVkOvT5ff9TMzarSHQLr3pZen2/oVLb5gaFkbcJt/klv9Fd+ZRilHY3i6QwS6pD +uMiPOWS4DrLHDRVoVlAZTDjT1RVwwTs+P2NhJdkCgYEAsriXysbxBYyMp05gqEW7 +lHIFbFgpSrs9th+Q5U6wW6JEgYaHWDJ1NslY80MiZI93FWjbkbZ7BvBWESeL3EIL +a+EMErht0pVCbIhZ6FF4foPAqia0wAJVx14mm+G80kNBp5jE/NnleEsE3KcO7nBb +hg8gLn+x7bk81JZ0TDrzBYkCgYEAuQKluv47SeF3tSScTfKLPpvcKCWmxe1uutkQ +7JShPhVioyOMNb39jnYBOWbjkm4d4QgqRuiytSR0oi3QI+Ziy5EYMyNn713qAk9j +r2TJZDDPDKnBW+zt4YI4EohWMXk3JRUW4XDKggjjwJQA7bZ812TtHHvP/xoThfG7 +eSNb3eECgYBw6ssgCtMrdvQiEmjKVX/9yI38mvC2kSGyzbrQnGUfgqRGomRpeZuD +B5E3kysA4td5pT5lvcLgSW0TbOz+YbiriXjwOihPIelCvc9gE2eOUI71/byUWPFz +7u5F/xQ4NaGr5suLF+lBC6h7pSbM4El9lIHQAQadpuEdzHqrw+hs3g== +-----END RSA PRIVATE KEY----- diff --git a/vendor/github.com/googleapis/gax-go/v2/.release-please-manifest.json b/vendor/github.com/googleapis/gax-go/v2/.release-please-manifest.json index 10295639c..91d60a809 100644 --- a/vendor/github.com/googleapis/gax-go/v2/.release-please-manifest.json +++ b/vendor/github.com/googleapis/gax-go/v2/.release-please-manifest.json @@ -1,3 +1,3 @@ { - "v2": "2.7.1" + "v2": "2.11.0" } diff --git a/vendor/github.com/googleapis/gax-go/v2/CHANGES.md b/vendor/github.com/googleapis/gax-go/v2/CHANGES.md index 41a7ca94d..e17b196f6 100644 --- a/vendor/github.com/googleapis/gax-go/v2/CHANGES.md +++ b/vendor/github.com/googleapis/gax-go/v2/CHANGES.md @@ -1,5 +1,50 @@ # Changelog +## [2.11.0](https://github.com/googleapis/gax-go/compare/v2.10.0...v2.11.0) (2023-06-13) + + +### Features + +* **v2:** add GoVersion package variable ([#283](https://github.com/googleapis/gax-go/issues/283)) ([26553cc](https://github.com/googleapis/gax-go/commit/26553ccadb4016b189881f52e6c253b68bb3e3d5)) + + +### Bug Fixes + +* **v2:** handle space in non-devel go version ([#288](https://github.com/googleapis/gax-go/issues/288)) ([fd7bca0](https://github.com/googleapis/gax-go/commit/fd7bca029a1c5e63def8f0a5fd1ec3f725d92f75)) + +## [2.10.0](https://github.com/googleapis/gax-go/compare/v2.9.1...v2.10.0) (2023-05-30) + + +### Features + +* update dependencies ([#280](https://github.com/googleapis/gax-go/issues/280)) ([4514281](https://github.com/googleapis/gax-go/commit/4514281058590f3637c36bfd49baa65c4d3cfb21)) + +## [2.9.1](https://github.com/googleapis/gax-go/compare/v2.9.0...v2.9.1) (2023-05-23) + + +### Bug Fixes + +* **v2:** drop cloud lro test dep ([#276](https://github.com/googleapis/gax-go/issues/276)) ([c67eeba](https://github.com/googleapis/gax-go/commit/c67eeba0f10a3294b1d93c1b8fbe40211a55ae5f)), refs [#270](https://github.com/googleapis/gax-go/issues/270) + +## [2.9.0](https://github.com/googleapis/gax-go/compare/v2.8.0...v2.9.0) (2023-05-22) + + +### Features + +* **apierror:** add method to return HTTP status code conditionally ([#274](https://github.com/googleapis/gax-go/issues/274)) ([5874431](https://github.com/googleapis/gax-go/commit/587443169acd10f7f86d1989dc8aaf189e645e98)), refs [#229](https://github.com/googleapis/gax-go/issues/229) + + +### Documentation + +* add ref to usage with clients ([#272](https://github.com/googleapis/gax-go/issues/272)) ([ea4d72d](https://github.com/googleapis/gax-go/commit/ea4d72d514beba4de450868b5fb028601a29164e)), refs [#228](https://github.com/googleapis/gax-go/issues/228) + +## [2.8.0](https://github.com/googleapis/gax-go/compare/v2.7.1...v2.8.0) (2023-03-15) + + +### Features + +* **v2:** add WithTimeout option ([#259](https://github.com/googleapis/gax-go/issues/259)) ([9a8da43](https://github.com/googleapis/gax-go/commit/9a8da43693002448b1e8758023699387481866d1)) + ## [2.7.1](https://github.com/googleapis/gax-go/compare/v2.7.0...v2.7.1) (2023-03-06) diff --git a/vendor/github.com/googleapis/gax-go/v2/apierror/apierror.go b/vendor/github.com/googleapis/gax-go/v2/apierror/apierror.go index ed862c8b3..d785a065c 100644 --- a/vendor/github.com/googleapis/gax-go/v2/apierror/apierror.go +++ b/vendor/github.com/googleapis/gax-go/v2/apierror/apierror.go @@ -29,6 +29,10 @@ // Package apierror implements a wrapper error for parsing error details from // API calls. Both HTTP & gRPC status errors are supported. +// +// For examples of how to use [APIError] with client libraries please reference +// [Inspecting errors](https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors) +// in the client library documentation. package apierror import ( @@ -345,3 +349,13 @@ func parseHTTPDetails(gae *googleapi.Error) ErrDetails { return parseDetails(details) } + +// HTTPCode returns the underlying HTTP response status code. This method returns +// `-1` if the underlying error is a [google.golang.org/grpc/status.Status]. To +// check gRPC error codes use [google.golang.org/grpc/status.Code]. +func (a *APIError) HTTPCode() int { + if a.httpErr == nil { + return -1 + } + return a.httpErr.Code +} diff --git a/vendor/github.com/googleapis/gax-go/v2/call_option.go b/vendor/github.com/googleapis/gax-go/v2/call_option.go index e09200556..c52e03f64 100644 --- a/vendor/github.com/googleapis/gax-go/v2/call_option.go +++ b/vendor/github.com/googleapis/gax-go/v2/call_option.go @@ -218,6 +218,14 @@ func (p pathOpt) Resolve(s *CallSettings) { s.Path = p.p } +type timeoutOpt struct { + t time.Duration +} + +func (t timeoutOpt) Resolve(s *CallSettings) { + s.timeout = t.t +} + // WithPath applies a Path override to the HTTP-based APICall. // // This is for internal use only. @@ -230,6 +238,15 @@ func WithGRPCOptions(opt ...grpc.CallOption) CallOption { return grpcOpt(append([]grpc.CallOption(nil), opt...)) } +// WithTimeout is a convenience option for setting a context.WithTimeout on the +// singular context.Context used for **all** APICall attempts. Calculated from +// the start of the first APICall attempt. +// If the context.Context provided to Invoke already has a Deadline set, that +// will always be respected over the deadline calculated using this option. +func WithTimeout(t time.Duration) CallOption { + return &timeoutOpt{t: t} +} + // CallSettings allow fine-grained control over how calls are made. type CallSettings struct { // Retry returns a Retryer to be used to control retry logic of a method call. @@ -241,4 +258,8 @@ type CallSettings struct { // Path is an HTTP override for an APICall. Path string + + // Timeout defines the amount of time that Invoke has to complete. + // Unexported so it cannot be changed by the code in an APICall. + timeout time.Duration } diff --git a/vendor/github.com/googleapis/gax-go/v2/header.go b/vendor/github.com/googleapis/gax-go/v2/header.go index 139371a0b..6488461f4 100644 --- a/vendor/github.com/googleapis/gax-go/v2/header.go +++ b/vendor/github.com/googleapis/gax-go/v2/header.go @@ -29,7 +29,73 @@ package gax -import "bytes" +import ( + "bytes" + "runtime" + "strings" + "unicode" +) + +var ( + // GoVersion is a header-safe representation of the current runtime + // environment's Go version. This is for GAX consumers that need to + // report the Go runtime version in API calls. + GoVersion string + // version is a package internal global variable for testing purposes. + version = runtime.Version +) + +// versionUnknown is only used when the runtime version cannot be determined. +const versionUnknown = "UNKNOWN" + +func init() { + GoVersion = goVersion() +} + +// goVersion returns a Go runtime version derived from the runtime environment +// that is modified to be suitable for reporting in a header, meaning it has no +// whitespace. If it is unable to determine the Go runtime version, it returns +// versionUnknown. +func goVersion() string { + const develPrefix = "devel +" + + s := version() + if strings.HasPrefix(s, develPrefix) { + s = s[len(develPrefix):] + if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 { + s = s[:p] + } + return s + } else if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 { + s = s[:p] + } + + notSemverRune := func(r rune) bool { + return !strings.ContainsRune("0123456789.", r) + } + + if strings.HasPrefix(s, "go1") { + s = s[2:] + var prerelease string + if p := strings.IndexFunc(s, notSemverRune); p >= 0 { + s, prerelease = s[:p], s[p:] + } + if strings.HasSuffix(s, ".") { + s += "0" + } else if strings.Count(s, ".") < 2 { + s += ".0" + } + if prerelease != "" { + // Some release candidates already have a dash in them. + if !strings.HasPrefix(prerelease, "-") { + prerelease = "-" + prerelease + } + s += prerelease + } + return s + } + return "UNKNOWN" +} // XGoogHeader is for use by the Google Cloud Libraries only. // diff --git a/vendor/github.com/googleapis/gax-go/v2/internal/version.go b/vendor/github.com/googleapis/gax-go/v2/internal/version.go index 936873ec4..374dcdb11 100644 --- a/vendor/github.com/googleapis/gax-go/v2/internal/version.go +++ b/vendor/github.com/googleapis/gax-go/v2/internal/version.go @@ -30,4 +30,4 @@ package internal // Version is the current tagged release of the library. -const Version = "2.7.1" +const Version = "2.11.0" diff --git a/vendor/github.com/googleapis/gax-go/v2/invoke.go b/vendor/github.com/googleapis/gax-go/v2/invoke.go index 9fcc29959..721d1af55 100644 --- a/vendor/github.com/googleapis/gax-go/v2/invoke.go +++ b/vendor/github.com/googleapis/gax-go/v2/invoke.go @@ -68,6 +68,16 @@ type sleeper func(ctx context.Context, d time.Duration) error // invoke implements Invoke, taking an additional sleeper argument for testing. func invoke(ctx context.Context, call APICall, settings CallSettings, sp sleeper) error { var retryer Retryer + + // Only use the value provided via WithTimeout if the context doesn't + // already have a deadline. This is important for backwards compatibility if + // the user already set a deadline on the context given to Invoke. + if _, ok := ctx.Deadline(); !ok && settings.timeout != 0 { + c, cc := context.WithTimeout(ctx, settings.timeout) + defer cc() + ctx = c + } + for { err := call(ctx, settings) if err == nil { |