[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/jcmturner/gokrb5/v8/client/passwd.go b/vendor/github.com/jcmturner/gokrb5/v8/client/passwd.go
new file mode 100644
index 0000000..fe20559
--- /dev/null
+++ b/vendor/github.com/jcmturner/gokrb5/v8/client/passwd.go
@@ -0,0 +1,75 @@
+package client
+
+import (
+ "fmt"
+
+ "github.com/jcmturner/gokrb5/v8/kadmin"
+ "github.com/jcmturner/gokrb5/v8/messages"
+)
+
+// Kpasswd server response codes.
+const (
+ KRB5_KPASSWD_SUCCESS = 0
+ KRB5_KPASSWD_MALFORMED = 1
+ KRB5_KPASSWD_HARDERROR = 2
+ KRB5_KPASSWD_AUTHERROR = 3
+ KRB5_KPASSWD_SOFTERROR = 4
+ KRB5_KPASSWD_ACCESSDENIED = 5
+ KRB5_KPASSWD_BAD_VERSION = 6
+ KRB5_KPASSWD_INITIAL_FLAG_NEEDED = 7
+)
+
+// ChangePasswd changes the password of the client to the value provided.
+func (cl *Client) ChangePasswd(newPasswd string) (bool, error) {
+ ASReq, err := messages.NewASReqForChgPasswd(cl.Credentials.Domain(), cl.Config, cl.Credentials.CName())
+ if err != nil {
+ return false, err
+ }
+ ASRep, err := cl.ASExchange(cl.Credentials.Domain(), ASReq, 0)
+ if err != nil {
+ return false, err
+ }
+
+ msg, key, err := kadmin.ChangePasswdMsg(cl.Credentials.CName(), cl.Credentials.Domain(), newPasswd, ASRep.Ticket, ASRep.DecryptedEncPart.Key)
+ if err != nil {
+ return false, err
+ }
+ r, err := cl.sendToKPasswd(msg)
+ if err != nil {
+ return false, err
+ }
+ err = r.Decrypt(key)
+ if err != nil {
+ return false, err
+ }
+ if r.ResultCode != KRB5_KPASSWD_SUCCESS {
+ return false, fmt.Errorf("error response from kadmin: code: %d; result: %s; krberror: %v", r.ResultCode, r.Result, r.KRBError)
+ }
+ cl.Credentials.WithPassword(newPasswd)
+ return true, nil
+}
+
+func (cl *Client) sendToKPasswd(msg kadmin.Request) (r kadmin.Reply, err error) {
+ _, kps, err := cl.Config.GetKpasswdServers(cl.Credentials.Domain(), true)
+ if err != nil {
+ return
+ }
+ b, err := msg.Marshal()
+ if err != nil {
+ return
+ }
+ var rb []byte
+ if len(b) <= cl.Config.LibDefaults.UDPPreferenceLimit {
+ rb, err = dialSendUDP(kps, b)
+ if err != nil {
+ return
+ }
+ } else {
+ rb, err = dialSendTCP(kps, b)
+ if err != nil {
+ return
+ }
+ }
+ err = r.Unmarshal(rb)
+ return
+}