Revert "Fix Bug #5710 and make machine account password changing work again."

This reverts commit 6d42b1e372b67eba83dbd5200bfb131b74cac180.

1 files changed, 23 insertions, 52 deletions

diff --git a/source/libsmb/trusts_util.c b/source/libsmb/trusts_util.c
index 0535d1b521e..c3f5f2538aa 100644
--- a/source/libsmb/trusts_util.c
+++ b/source/libsmb/trusts_util.c
@@ -31,60 +31,34 @@
 
 static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, 
 					 const unsigned char orig_trust_passwd_hash[16],
-					 const char *new_trust_pwd_cleartext,
 					 const unsigned char new_trust_passwd_hash[16],
 					 uint32 sec_channel_type)
 {
 	NTSTATUS result;
-	uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
 
-	result = rpccli_netlogon_setup_creds(cli,
-					     cli->cli->desthost, /* server name */
-					     lp_workgroup(), /* domain */
-					     global_myname(), /* client name */
-					     global_myname(), /* machine account name */
-					     orig_trust_passwd_hash,
-					     sec_channel_type,
-					     &neg_flags);
-
-	if (!NT_STATUS_IS_OK(result)) {
-		DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
-			 nt_errstr(result)));
-		return result;
-	}
-
-	if (neg_flags & NETLOGON_NEG_PASSWORD_SET2) {
-
-		struct netr_Authenticator clnt_creds, srv_cred;
-		struct netr_CryptPassword new_password;
-		struct samr_CryptPassword password_buf;
-
-		netlogon_creds_client_step(cli->dc, &clnt_creds);
-
-		encode_pw_buffer(password_buf.data, new_trust_pwd_cleartext, STR_UNICODE);
-
-		SamOEMhash(password_buf.data, cli->dc->sess_key, 516);
-		memcpy(new_password.data, password_buf.data, 512);
-		new_password.length = IVAL(password_buf.data, 512);
-
-		result = rpccli_netr_ServerPasswordSet2(cli, mem_ctx,
-						       cli->dc->remote_machine,
-						       cli->dc->mach_acct,
-						       sec_channel_type,
-						       global_myname(),
-						       &clnt_creds,
-						       &srv_cred,
-						       &new_password);
-
-		/* Always check returned credentials. */
-		if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
-			DEBUG(0,("rpccli_netr_ServerPasswordSet2: "
-				"credentials chain check failed\n"));
-			return NT_STATUS_ACCESS_DENIED;
+	/* Check if the netlogon pipe is open using schannel. If so we
+	   already have valid creds. If not we must set them up. */
+
+	if (cli->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
+		uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
+
+		result = rpccli_netlogon_setup_creds(cli, 
+					cli->cli->desthost, /* server name */
+					lp_workgroup(), /* domain */
+					global_myname(), /* client name */
+					global_myname(), /* machine account name */
+					orig_trust_passwd_hash,
+					sec_channel_type,
+					&neg_flags);
+
+		if (!NT_STATUS_IS_OK(result)) {
+			DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
+				 nt_errstr(result)));
+			return result;
 		}
+	}
 
-	} else {
-
+	{
 		struct netr_Authenticator clnt_creds, srv_cred;
 		struct samr_Password new_password;
 
@@ -144,11 +118,8 @@ NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *m
 	
 	E_md4hash(new_trust_passwd, new_trust_passwd_hash);
 
-	nt_status = just_change_the_password(cli, mem_ctx,
-					     orig_trust_passwd_hash,
-					     new_trust_passwd,
-					     new_trust_passwd_hash,
-					     sec_channel_type);
+	nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
+					     new_trust_passwd_hash, sec_channel_type);
 	
 	if (NT_STATUS_IS_OK(nt_status)) {
 		DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",