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-rw-r--r--pkg/sentry/fsimpl/ext/filesystem.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/ext/filesystem.go b/pkg/sentry/fsimpl/ext/filesystem.go
index e05429d41..8497be615 100644
--- a/pkg/sentry/fsimpl/ext/filesystem.go
+++ b/pkg/sentry/fsimpl/ext/filesystem.go
@@ -22,6 +22,7 @@ import (
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/fspath"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/ext/disklayout"
+ "gvisor.dev/gvisor/pkg/sentry/kernel/auth"
"gvisor.dev/gvisor/pkg/sentry/vfs"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/syserror"
@@ -255,6 +256,15 @@ func (fs *filesystem) statTo(stat *linux.Statfs) {
// TODO(b/134676337): Set Statfs.Flags and Statfs.FSID.
}
+// AccessAt implements vfs.Filesystem.Impl.AccessAt.
+func (fs *filesystem) AccessAt(ctx context.Context, rp *vfs.ResolvingPath, creds *auth.Credentials, ats vfs.AccessTypes) error {
+ _, inode, err := fs.walk(rp, false)
+ if err != nil {
+ return err
+ }
+ return inode.checkPermissions(rp.Credentials(), ats)
+}
+
// GetDentryAt implements vfs.FilesystemImpl.GetDentryAt.
func (fs *filesystem) GetDentryAt(ctx context.Context, rp *vfs.ResolvingPath, opts vfs.GetDentryOptions) (*vfs.Dentry, error) {
vfsd, inode, err := fs.walk(rp, false)