diff options
| author | Jakob Unterwurzacher | 2024-05-05 22:46:17 +0200 |
|---|---|---|
| committer | Jakob Unterwurzacher | 2024-05-05 22:46:17 +0200 |
| commit | a38507978442f28ace42ec0003c4a2bf61cb4a91 (patch) | |
| tree | ddeaca750ba9c260249448d8817a321dab6c4e45 /internal/fusefrontend_reverse | |
| parent | bbfbf37bd73f4aac333c7a65f80d5d977a548e20 (diff) | |
reverse: use incrementing inode number for gocryptfs.longname.*.name files
ed0a12b7337c2d88c027329f64e73070da17d5b3 already fixed the kernel side,
now we also want the .name files to NOT appear hardlinked when just
looking at the inode number.
Relates-to: https://github.com/rfjakob/gocryptfs/issues/802
Diffstat (limited to 'internal/fusefrontend_reverse')
| -rw-r--r-- | internal/fusefrontend_reverse/virtualnode.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/internal/fusefrontend_reverse/virtualnode.go b/internal/fusefrontend_reverse/virtualnode.go index 688f536..922cfa7 100644 --- a/internal/fusefrontend_reverse/virtualnode.go +++ b/internal/fusefrontend_reverse/virtualnode.go @@ -86,8 +86,15 @@ func (n *Node) newVirtualMemNode(content []byte, parentStat *syscall.Stat_t, ino // Adjust inode number and size rn := n.rootNode() st := parentStat - q := inomap.NewQIno(uint64(st.Dev), inoTag, uint64(st.Ino)) - st.Ino = rn.inoMap.Translate(q) + if inoTag == inoTagNameFile { + // No stable mapping for gocryptfs.longname.*.name files, instead use an + // incrementing counter. We don't want two of those files to ever have the + // same inode number, even for hard-linked files. + st.Ino = rn.inoMap.NextSpillIno() + } else { + q := inomap.NewQIno(uint64(st.Dev), inoTag, uint64(st.Ino)) + st.Ino = rn.inoMap.Translate(q) + } st.Size = int64(len(content)) st.Mode = virtualFileMode st.Nlink = 1 |