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fusefrontend: fix -force_owner not affecting MKNOD

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Fixes https://github.com/rfjakob/gocryptfs/issues/629
This commit is contained in:
Jakob Unterwurzacher 2022-01-10 20:05:36 +01:00
parent c23a7f2259
commit 5f955423b7
2 changed files with 20 additions and 1 deletions
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6
internal/fusefrontend/node.go
View File

@ -277,7 +277,13 @@ func (n *Node) Mknod(ctx context.Context, name string, mode, rdev uint32, out *f
errno = fs.ToErrno(err)
return
}
inode = n.newChild(ctx, st, out)
if rn.args.ForceOwner != nil {
out.Owner = *rn.args.ForceOwner
}
return inode, 0
}

15
tests/defaults/main_test.go
View File

@ -427,10 +427,11 @@ func TestFsync(t *testing.T) {
}
// force_owner was broken by the v2.0 rewrite:
// The owner was only forced for GETATTR, but not for CREATE or LOOKUP.
// The owner was only forced for GETATTR, but not for CREATE, LOOKUP, MKNOD.
//
// https://github.com/rfjakob/gocryptfs/issues/609
// https://github.com/rfjakob/gocryptfs/pull/610
// https://github.com/rfjakob/gocryptfs/issues/629
func TestForceOwner(t *testing.T) {
cDir := test_helpers.InitFS(t)
os.Chmod(cDir, 0777) // Mount needs to be accessible for us
@ -479,6 +480,18 @@ func TestForceOwner(t *testing.T) {
t.Errorf("GETATTR returned uid or gid != 1234: %#v", st)
}
// Test MKNOD
sock := pDir + "/sock"
if err := syscall.Mknod(sock, syscall.S_IFSOCK|0600, 0); err != nil {
t.Fatal(err)
}
if err := syscall.Stat(sock, &st); err != nil {
t.Fatal(err)
}
if st.Uid != 1234 || st.Gid != 1234 {
t.Errorf("MKNOD returned uid or gid != 1234: %#v", st)
}
// Remount to clear cache
test_helpers.UnmountPanic(pDir)
test_helpers.MountOrFatal(t, cDir, pDir, "-force_owner=1234:1234", "-extpass=echo test")