nametransform: comments: directly link to ioutil.WriteFile fix

So the reader does not have to read through the whole ticket.
The commit message has a nice summary of the problem.
This commit is contained in:
Jakob Unterwurzacher 2019-01-01 16:22:06 +01:00
parent 5713154468
commit 545a03da24

View File

@ -90,7 +90,8 @@ func WriteDirIV(dirfd int, dir string) error {
iv := cryptocore.RandBytes(DirIVLen) iv := cryptocore.RandBytes(DirIVLen)
file := filepath.Join(dir, DirIVFilename) file := filepath.Join(dir, DirIVFilename)
// 0400 permissions: gocryptfs.diriv should never be modified after creation. // 0400 permissions: gocryptfs.diriv should never be modified after creation.
// Don't use "ioutil.WriteFile", it causes trouble on NFS: https://github.com/rfjakob/gocryptfs/issues/105 // Don't use "ioutil.WriteFile", it causes trouble on NFS:
// https://github.com/rfjakob/gocryptfs/commit/7d38f80a78644c8ec4900cc990bfb894387112ed
fdRaw, err := syscallcompat.Openat(dirfd, file, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0400) fdRaw, err := syscallcompat.Openat(dirfd, file, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0400)
if err != nil { if err != nil {
tlog.Warn.Printf("WriteDirIV: Openat: %v", err) tlog.Warn.Printf("WriteDirIV: Openat: %v", err)