diff options
Diffstat (limited to 'pkg/osutil/osutil_linux.go')
| -rw-r--r-- | pkg/osutil/osutil_linux.go | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/pkg/osutil/osutil_linux.go b/pkg/osutil/osutil_linux.go index f4b30b195..1ec37d45f 100644 --- a/pkg/osutil/osutil_linux.go +++ b/pkg/osutil/osutil_linux.go @@ -11,6 +11,7 @@ import ( "os" "os/exec" "path/filepath" + "runtime" "strconv" "strings" "sync" @@ -30,7 +31,34 @@ func RemoveAll(dir string) error { fn := []byte(name + "\x00") syscall.Syscall(syscall.SYS_UMOUNT2, uintptr(unsafe.Pointer(&fn[0])), syscall.MNT_FORCE, 0) } - return os.RemoveAll(dir) + if err := os.RemoveAll(dir); err != nil { + removeImmutable(dir) + return os.RemoveAll(dir) + } + return nil +} + +func removeImmutable(fname string) error { + // Reset FS_XFLAG_IMMUTABLE/FS_XFLAG_APPEND. + fd, err := syscall.Open(fname, syscall.O_RDONLY, 0) + if err != nil { + return err + } + defer syscall.Close(fd) + flags := 0 + var cmd uint64 // FS_IOC_SETFLAGS + switch runtime.GOARCH { + case "386", "arm": + cmd = 1074030082 + case "amd64", "arm64": + cmd = 1074292226 + case "ppc64le": + cmd = 2148034050 + default: + panic("unknown arch") + } + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(cmd), uintptr(unsafe.Pointer(&flags))) + return errno } func Sandbox(cmd *exec.Cmd, user, net bool) error { |