diff options
Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/symlink.go')
-rw-r--r-- | pkg/sentry/fsimpl/tmpfs/symlink.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/symlink.go b/pkg/sentry/fsimpl/tmpfs/symlink.go new file mode 100644 index 000000000..b0de5fabe --- /dev/null +++ b/pkg/sentry/fsimpl/tmpfs/symlink.go @@ -0,0 +1,37 @@ +// Copyright 2019 The gVisor Authors. +// +// 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. + +package tmpfs + +import ( + "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/sentry/kernel/auth" +) + +type symlink struct { + inode inode + target string // immutable +} + +func (fs *filesystem) newSymlink(kuid auth.KUID, kgid auth.KGID, mode linux.FileMode, target string) *inode { + link := &symlink{ + target: target, + } + link.inode.init(link, fs, kuid, kgid, linux.S_IFLNK|mode) + link.inode.nlink = 1 // from parent directory + return &link.inode +} + +// O_PATH is unimplemented, so there's no way to get a FileDescription +// representing a symlink yet. |