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authorDean Deng <deandeng@google.com>2020-06-27 14:38:20 -0700
committergVisor bot <gvisor-bot@google.com>2020-06-27 14:39:41 -0700
commit02d552d07c4415978d2ce418fb16baf238d0ff78 (patch)
tree37c414e743978b9f86453d66fa926abeffce1093 /pkg/sentry/fsimpl/tmpfs/directory.go
parent691c04278ee6cf579e2b2dafb28e39861ce21bb9 (diff)
Support sticky bit in vfs2.
Updates #2923. PiperOrigin-RevId: 318648128
Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/directory.go')
-rw-r--r--pkg/sentry/fsimpl/tmpfs/directory.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/directory.go b/pkg/sentry/fsimpl/tmpfs/directory.go
index b172abc15..0a1ad4765 100644
--- a/pkg/sentry/fsimpl/tmpfs/directory.go
+++ b/pkg/sentry/fsimpl/tmpfs/directory.go
@@ -81,6 +81,10 @@ func (dir *directory) removeChildLocked(child *dentry) {
dir.iterMu.Unlock()
}
+func (dir *directory) mayDelete(creds *auth.Credentials, child *dentry) error {
+ return vfs.CheckDeleteSticky(creds, linux.FileMode(atomic.LoadUint32(&dir.inode.mode)), auth.KUID(atomic.LoadUint32(&child.inode.uid)))
+}
+
type directoryFD struct {
fileDescription
vfs.DirectoryFileDescriptionDefaultImpl