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-rw-r--r--pkg/sentry/fsimpl/verity/filesystem.go4
-rw-r--r--pkg/sentry/fsimpl/verity/verity.go52
-rw-r--r--pkg/sentry/vfs/file_description.go42
3 files changed, 49 insertions, 49 deletions
diff --git a/pkg/sentry/fsimpl/verity/filesystem.go b/pkg/sentry/fsimpl/verity/filesystem.go
index 59fcff498..04e7110a3 100644
--- a/pkg/sentry/fsimpl/verity/filesystem.go
+++ b/pkg/sentry/fsimpl/verity/filesystem.go
@@ -254,7 +254,7 @@ func (fs *filesystem) verifyChildLocked(ctx context.Context, parent *dentry, chi
return nil, alertIntegrityViolation(fmt.Sprintf("Failed to convert xattr %s for %s to int: %v", merkleSizeXattr, childPath, err))
}
- fdReader := vfs.FileReadWriteSeeker{
+ fdReader := FileReadWriteSeeker{
FD: parentMerkleFD,
Ctx: ctx,
}
@@ -397,7 +397,7 @@ func (fs *filesystem) verifyStatAndChildrenLocked(ctx context.Context, d *dentry
}
}
- fdReader := vfs.FileReadWriteSeeker{
+ fdReader := FileReadWriteSeeker{
FD: fd,
Ctx: ctx,
}
diff --git a/pkg/sentry/fsimpl/verity/verity.go b/pkg/sentry/fsimpl/verity/verity.go
index add65bee6..5788c661f 100644
--- a/pkg/sentry/fsimpl/verity/verity.go
+++ b/pkg/sentry/fsimpl/verity/verity.go
@@ -749,15 +749,15 @@ func (fd *fileDescription) Seek(ctx context.Context, offset int64, whence int32)
//
// Preconditions: fd.d.fs.verityMu must be locked.
func (fd *fileDescription) generateMerkleLocked(ctx context.Context) ([]byte, uint64, error) {
- fdReader := vfs.FileReadWriteSeeker{
+ fdReader := FileReadWriteSeeker{
FD: fd.lowerFD,
Ctx: ctx,
}
- merkleReader := vfs.FileReadWriteSeeker{
+ merkleReader := FileReadWriteSeeker{
FD: fd.merkleReader,
Ctx: ctx,
}
- merkleWriter := vfs.FileReadWriteSeeker{
+ merkleWriter := FileReadWriteSeeker{
FD: fd.merkleWriter,
Ctx: ctx,
}
@@ -1047,12 +1047,12 @@ func (fd *fileDescription) PRead(ctx context.Context, dst usermem.IOSequence, of
return 0, alertIntegrityViolation(fmt.Sprintf("Failed to convert xattr %s to int: %v", merkleSizeXattr, err))
}
- dataReader := vfs.FileReadWriteSeeker{
+ dataReader := FileReadWriteSeeker{
FD: fd.lowerFD,
Ctx: ctx,
}
- merkleReader := vfs.FileReadWriteSeeker{
+ merkleReader := FileReadWriteSeeker{
FD: fd.merkleReader,
Ctx: ctx,
}
@@ -1101,3 +1101,45 @@ func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t
func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
return fd.lowerFD.UnlockPOSIX(ctx, uid, start, length, whence)
}
+
+// FileReadWriteSeeker is a helper struct to pass a vfs.FileDescription as
+// io.Reader/io.Writer/io.ReadSeeker/io.ReaderAt/io.WriterAt/etc.
+type FileReadWriteSeeker struct {
+ FD *vfs.FileDescription
+ Ctx context.Context
+ ROpts vfs.ReadOptions
+ WOpts vfs.WriteOptions
+}
+
+// ReadAt implements io.ReaderAt.ReadAt.
+func (f *FileReadWriteSeeker) ReadAt(p []byte, off int64) (int, error) {
+ dst := usermem.BytesIOSequence(p)
+ n, err := f.FD.PRead(f.Ctx, dst, off, f.ROpts)
+ return int(n), err
+}
+
+// Read implements io.ReadWriteSeeker.Read.
+func (f *FileReadWriteSeeker) Read(p []byte) (int, error) {
+ dst := usermem.BytesIOSequence(p)
+ n, err := f.FD.Read(f.Ctx, dst, f.ROpts)
+ return int(n), err
+}
+
+// Seek implements io.ReadWriteSeeker.Seek.
+func (f *FileReadWriteSeeker) Seek(offset int64, whence int) (int64, error) {
+ return f.FD.Seek(f.Ctx, offset, int32(whence))
+}
+
+// WriteAt implements io.WriterAt.WriteAt.
+func (f *FileReadWriteSeeker) WriteAt(p []byte, off int64) (int, error) {
+ dst := usermem.BytesIOSequence(p)
+ n, err := f.FD.PWrite(f.Ctx, dst, off, f.WOpts)
+ return int(n), err
+}
+
+// Write implements io.ReadWriteSeeker.Write.
+func (f *FileReadWriteSeeker) Write(p []byte) (int, error) {
+ buf := usermem.BytesIOSequence(p)
+ n, err := f.FD.Write(f.Ctx, buf, f.WOpts)
+ return int(n), err
+}
diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go
index f9e39a94c..51fddbaff 100644
--- a/pkg/sentry/vfs/file_description.go
+++ b/pkg/sentry/vfs/file_description.go
@@ -833,45 +833,3 @@ func (fd *FileDescription) SetAsyncHandler(newHandler func() FileAsync) FileAsyn
}
return fd.asyncHandler
}
-
-// FileReadWriteSeeker is a helper struct to pass a FileDescription as
-// io.Reader/io.Writer/io.ReadSeeker/io.ReaderAt/io.WriterAt/etc.
-type FileReadWriteSeeker struct {
- FD *FileDescription
- Ctx context.Context
- ROpts ReadOptions
- WOpts WriteOptions
-}
-
-// ReadAt implements io.ReaderAt.ReadAt.
-func (f *FileReadWriteSeeker) ReadAt(p []byte, off int64) (int, error) {
- dst := usermem.BytesIOSequence(p)
- n, err := f.FD.PRead(f.Ctx, dst, off, f.ROpts)
- return int(n), err
-}
-
-// Read implements io.ReadWriteSeeker.Read.
-func (f *FileReadWriteSeeker) Read(p []byte) (int, error) {
- dst := usermem.BytesIOSequence(p)
- n, err := f.FD.Read(f.Ctx, dst, f.ROpts)
- return int(n), err
-}
-
-// Seek implements io.ReadWriteSeeker.Seek.
-func (f *FileReadWriteSeeker) Seek(offset int64, whence int) (int64, error) {
- return f.FD.Seek(f.Ctx, offset, int32(whence))
-}
-
-// WriteAt implements io.WriterAt.WriteAt.
-func (f *FileReadWriteSeeker) WriteAt(p []byte, off int64) (int, error) {
- dst := usermem.BytesIOSequence(p)
- n, err := f.FD.PWrite(f.Ctx, dst, off, f.WOpts)
- return int(n), err
-}
-
-// Write implements io.ReadWriteSeeker.Write.
-func (f *FileReadWriteSeeker) Write(p []byte) (int, error) {
- buf := usermem.BytesIOSequence(p)
- n, err := f.FD.Write(f.Ctx, buf, f.WOpts)
- return int(n), err
-}