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// Copyright 2020 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package host
import (
"bytes"
"fmt"
"os"
"strings"
)
func CollectMachineInfo() ([]byte, error) {
buf := new(bytes.Buffer)
for _, pair := range machineInfoFuncs {
pos0 := buf.Len()
fmt.Fprintf(buf, "[%s]\n", pair.name)
pos1 := buf.Len()
err := pair.fn(buf)
if err != nil {
if !os.IsNotExist(err) {
return nil, err
}
}
if buf.Len() == pos1 {
buf.Truncate(pos0)
continue
}
fmt.Fprintf(buf, "\n%v\n\n", strings.Repeat("-", 80))
}
return buf.Bytes(), nil
}
func CollectModulesInfo() ([]KernelModule, error) {
if machineModulesInfo == nil {
return nil, nil
}
return machineModulesInfo()
}
func CollectGlobsInfo(globs map[string]bool) (map[string][]string, error) {
if machineGlobsInfo == nil {
return nil, nil
}
return machineGlobsInfo(globs)
}
var machineInfoFuncs []machineInfoFunc
var machineModulesInfo func() ([]KernelModule, error)
var machineGlobsInfo func(map[string]bool) (map[string][]string, error)
type machineInfoFunc struct {
name string
fn func(*bytes.Buffer) error
}
type KernelModule struct {
Name string
Addr uint64
}
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