hardcoresushi/libgocryptfs
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reverse mode: disable ClientInodes (hard link tracking)

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Disable hard link tracking to avoid strange breakage on duplicate
inode numbers ( https://github.com/rfjakob/gocryptfs/issues/149 ).

Reverse mode is read-only, so we don't need a working link().
This commit is contained in:
Jakob Unterwurzacher 2017-10-22 14:43:24 +02:00
parent a1170be979
commit 8c1b363f74
1 changed files with 9 additions and 1 deletions
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10
mount.go
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@ -221,10 +221,19 @@ func initFuseFrontend(masterkey []byte, args *argContainer, confFile *configfile
tlog.Debug.Printf("frontendArgs: %s", string(jsonBytes))
var finalFs pathfs.FileSystem
var ctlSockBackend ctlsock.Interface
// pathFsOpts are passed into go-fuse/pathfs
pathFsOpts := &pathfs.PathNodeFsOptions{ClientInodes: true}
if args.reverse {
// The dance with the intermediate variables is because we need to
// cast the FS into pathfs.FileSystem *and* ctlsock.Interface. This
// avoids using interface{}.
fs := fusefrontend_reverse.NewFS(masterkey, frontendArgs)
finalFs = fs
ctlSockBackend = fs
// Reverse mode is read-only, so we don't need a working link().
// Disable hard link tracking to avoid strange breakage on duplicate
// inode numbers ( https://github.com/rfjakob/gocryptfs/issues/149 ).
pathFsOpts.ClientInodes = false
} else {
fs := fusefrontend.NewFS(masterkey, frontendArgs)
finalFs = fs
@ -240,7 +249,6 @@ func initFuseFrontend(masterkey []byte, args *argContainer, confFile *configfile
if args._ctlsockFd != nil {
go ctlsock.Serve(args._ctlsockFd, ctlSockBackend)
}
pathFsOpts := &pathfs.PathNodeFsOptions{ClientInodes: true}
pathFs := pathfs.NewPathNodeFs(finalFs, pathFsOpts)
fuseOpts := &nodefs.Options{
// These options are to be compatible with libfuse defaults,