1 files changed, 19 insertions, 11 deletions

diff --git a/source/rpc_server/srv_pipe.c b/source/rpc_server/srv_pipe.c
index d1fb587d748..96261c665f7 100644
--- a/source/rpc_server/srv_pipe.c
+++ b/source/rpc_server/srv_pipe.c
@@ -254,18 +254,19 @@ BOOL create_next_pdu(pipes_struct *p)
 	}
 
 	if (p->netsec_auth_validated) {
+		int auth_type, auth_level;
 		char *data;
 		RPC_HDR_AUTH auth_info;
-		static const uchar netsec_sig[8] = NETSEC_SIGNATURE;
-		static const uchar nullbytes[8] = { 0,0,0,0,0,0,0,0 };
 
 		RPC_AUTH_NETSEC_CHK verf;
 		prs_struct rverf;
 		prs_struct rauth;
 
 		data = prs_data_p(&outgoing_pdu) + data_pos;
+		/* Check it's the type of reply we were expecting to decode */
 
-		init_rpc_hdr_auth(&auth_info, NETSEC_AUTH_TYPE, RPC_PIPE_AUTH_SEAL_LEVEL, 
+		get_auth_type_level(p->netsec_auth.auth_flags, &auth_type, &auth_level);
+		init_rpc_hdr_auth(&auth_info, auth_type, auth_level, 
 				  RPC_HDR_AUTH_LEN, 1);
 
 		if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, &outgoing_pdu, 0)) {
@@ -277,10 +278,8 @@ BOOL create_next_pdu(pipes_struct *p)
 		prs_init(&rverf, 0, p->mem_ctx, MARSHALL);
 		prs_init(&rauth, 0, p->mem_ctx, MARSHALL);
 
-		init_rpc_auth_netsec_chk(&verf, netsec_sig, nullbytes, nullbytes, nullbytes);
-
 		netsec_encode(&p->netsec_auth, 
-			      AUTH_PIPE_NETSEC|AUTH_PIPE_SIGN|AUTH_PIPE_SEAL, 
+			      p->netsec_auth.auth_flags,
 			      SENDER_IS_ACCEPTOR,
 			      &verf, data, data_len);
 
@@ -1337,10 +1336,19 @@ BOOL api_pipe_netsec_process(pipes_struct *p, prs_struct *rpc_in)
 		return False;
 	}
 
-	if ((auth_info.auth_type != NETSEC_AUTH_TYPE) ||
-	    (auth_info.auth_level != RPC_PIPE_AUTH_SEAL_LEVEL)) {
-		DEBUG(0,("Invalid auth info %d or level %d on schannel\n",
-			 auth_info.auth_type, auth_info.auth_level));
+	if (auth_info.auth_type != NETSEC_AUTH_TYPE) {
+		DEBUG(0,("Invalid auth info %d on schannel\n",
+			 auth_info.auth_type));
+		return False;
+	}
+
+	if (auth_info.auth_level == RPC_PIPE_AUTH_SEAL_LEVEL) {
+		p->netsec_auth.auth_flags = AUTH_PIPE_NETSEC|AUTH_PIPE_SIGN|AUTH_PIPE_SEAL;
+	} else if (auth_info.auth_level == RPC_PIPE_AUTH_SIGN_LEVEL) {
+		p->netsec_auth.auth_flags = AUTH_PIPE_NETSEC|AUTH_PIPE_SIGN;
+	} else {
+		DEBUG(0,("Invalid auth level %d on schannel\n",
+			 auth_info.auth_level));
 		return False;
 	}
 
@@ -1350,7 +1358,7 @@ BOOL api_pipe_netsec_process(pipes_struct *p, prs_struct *rpc_in)
 	}
 
 	if (!netsec_decode(&p->netsec_auth,
-			   AUTH_PIPE_NETSEC|AUTH_PIPE_SIGN|AUTH_PIPE_SEAL, 
+			   p->netsec_auth.auth_flags,
 			   SENDER_IS_INITIATOR,
 			   &netsec_chk,
 			   prs_data_p(rpc_in)+old_offset, data_len)) {