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List:       serdev
Subject:    [sr-dev] git:5.3:c2503540: tm: Fix faked_reply_prio by passing correct reply to get_prio
From:       Daniel-Constantin Mierla <miconda () gmail ! com>
Date:       2020-10-30 13:50:56
Message-ID: E1kYUnw-0000Fc-VY () www ! kamailio ! org
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Module: kamailio
Branch: 5.3
Commit: c25035409c1f03c2f6fd24dd5f96eb28db5f3099
URL: https://github.com/kamailio/kamailio/commit/c25035409c1f03c2f6fd24dd5f96eb28db5f3099

Author: Alex Hermann <alex@hexla.nl>
Committer: Daniel-Constantin Mierla <miconda@gmail.com>
Date: 2020-10-30T14:46:26+01:00

tm: Fix faked_reply_prio by passing correct reply to get_prio

Instead of passing the to be evaluated reply as the "best" reply, pass the
actual "best" reply.

(cherry picked from commit 5731cc0911ff65bf7efd433a83a25ffbf6073d10)
(cherry picked from commit cbd9c3d2851ece3c8f08b0664b72fca18f6f4f77)

---

Modified: src/modules/tm/t_reply.c

---

Diff:  https://github.com/kamailio/kamailio/commit/c25035409c1f03c2f6fd24dd5f96eb28db5f3099.diff
Patch: https://github.com/kamailio/kamailio/commit/c25035409c1f03c2f6fd24dd5f96eb28db5f3099.patch

---

diff --git a/src/modules/tm/t_reply.c b/src/modules/tm/t_reply.c
index c868e70a94..99361a5f33 100644
--- a/src/modules/tm/t_reply.c
+++ b/src/modules/tm/t_reply.c
@@ -1171,17 +1171,19 @@ inline static short int get_prio(unsigned int resp, struct sip_msg *rpl)
 int t_pick_branch(int inc_branch, int inc_code, struct cell *t, int *res_code)
 {
 	int best_b, best_s, b;
-	sip_msg_t *rpl;
+	sip_msg_t *rpl, *best_rpl;
 
 	best_b=-1; best_s=0;
+	best_rpl=NULL;
 	for ( b=0; b<t->nr_of_outgoings ; b++ ) {
 		rpl = t->uac[b].reply;
 
 		/* "fake" for the currently processed branch */
 		if (b==inc_branch) {
-			if (get_prio(inc_code, rpl)<get_prio(best_s, rpl)) {
+			if (get_prio(inc_code, rpl)<get_prio(best_s, best_rpl)) {
 				best_b=b;
 				best_s=inc_code;
+				best_rpl=rpl;
 			}
 			continue;
 		}
@@ -1197,9 +1199,10 @@ int t_pick_branch(int inc_branch, int inc_code, struct cell *t, int *res_code)
 			return -2;
 		/* if reply is null => t_send_branch "faked" reply, skip over it */
 		if ( rpl &&
-				get_prio(t->uac[b].last_received, rpl)<get_prio(best_s, rpl) ) {
+				get_prio(t->uac[b].last_received, rpl)<get_prio(best_s, best_rpl) ) {
 			best_b =b;
 			best_s = t->uac[b].last_received;
+			best_rpl=rpl;
 		}
 	} /* find lowest branch */
 


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