Merge pull request #7 from DocLambda/link

Implement Link operation
jsipprell · Oct 11, 2021 · 3d409df · 3d409df
2 parents 4450371 + 0dde376
commit 3d409df
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/keyring.go b/keyring.go
@@ -179,9 +179,14 @@ func SetKeyringTTL(kr NamedKeyring, nsecs uint) error {
 	return err
 }
 
+// Link an object to a keyring
+func Link(parent Keyring, child Id) error {
+	return keyctl_Link(keyId(child.Id()), keyId(parent.Id()))
+}
+
 // Unlink an object from a keyring
 func Unlink(parent Keyring, child Id) error {
-	return keyctl_Unlink(keyId(parent.Id()), keyId(child.Id()))
+	return keyctl_Unlink(keyId(child.Id()), keyId(parent.Id()))
 }
 
 // Unlink a named keyring from its parent.

diff --git a/sys_linux.go b/sys_linux.go
@@ -102,6 +102,14 @@ func keyctl_Read(id keyId, b *byte, size int) (int32, error) {
 	return int32(v1), nil
 }
 
+func keyctl_Link(id, ring keyId) error {
+	_, _, errno := syscall.Syscall(syscall_keyctl, uintptr(keyctlLink), uintptr(id), uintptr(ring))
+	if errno != 0 {
+		return errno
+	}
+	return nil
+}
+
 func keyctl_Unlink(id, ring keyId) error {
 	_, _, errno := syscall.Syscall(syscall_keyctl, uintptr(keyctlUnlink), uintptr(id), uintptr(ring))
 	if errno != 0 {