just in case make autoadj harder for spoofers

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1580 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_rtp.c

@@ -787,8 +787,8 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 
 
 		if (rtp_session->recv_msg.header.version) {
-			if (switch_test_flag(rtp_session, SWITCH_RTP_FLAG_AUTOADJ) && rtp_session->from_addr->port && 
-				(rtp_session->from_addr->port != rtp_session->remote_port)) {
+			if (switch_test_flag(rtp_session, SWITCH_RTP_FLAG_AUTOADJ) && rtp_session->from_addr->port) {
+				if ((rtp_session->from_addr->port != rtp_session->remote_port)) {
 					const char *err;
 					char *tx_host;
 					uint32_t old = rtp_session->remote_port;
@@ -801,6 +801,8 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 									  old_host, old, tx_host, rtp_session->from_addr->port);
 					switch_rtp_set_remote_address(rtp_session, tx_host, rtp_session->from_addr->port, &err);
 				}
+				switch_clear_flag(rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
+			}
 		}
 
 		if (rtp_session->recv_msg.header.version == 2) {