b2b_entities: handle case where callback is not yet registered

OpenSIPS · Feb 20, 2024 · 8c16de4 · 8c16de4
1 parent 1bea6e1
commit 8c16de4
Showing 1 changed file with 12 additions and 4 deletions.
diff --git a/modules/b2b_entities/dlg.c b/modules/b2b_entities/dlg.c
@@ -1366,8 +1366,12 @@ int b2b_prescript_f(struct sip_msg *msg, void *uparam)
 			return SCB_DROP_MSG;
 		}
 	} else {
-		b2b_cback(msg, &b2b_key, B2B_REQUEST, logic_key.s?&logic_key:0,
-			dlg->param, b2b_cb_flags);
+		if (!b2b_cback)
+			LM_DBG("calback not yet registered for [%.*s]\n",
+					(logic_key.s?logic_key.len:0), (logic_key.s?logic_key.s:""));
+		else
+			b2b_cback(msg, &b2b_key, B2B_REQUEST, logic_key.s?&logic_key:0,
+				dlg->param, b2b_cb_flags);
 
 		if(logic_key.s)
 			pkg_free(logic_key.s);
@@ -3670,8 +3674,12 @@ void b2b_tm_cback(struct cell *t, b2b_table htable, struct tmcb_params *ps)
 			goto error1;
 		}
 	} else {
-		b2b_cback(msg, b2b_key, B2B_REPLY, logic_key.s?&logic_key:0,
-			b2b_param, b2b_cb_flags);
+		if (!b2b_cback)
+			LM_DBG("calback not yet registered for [%.*s]\n",
+					(logic_key.s?logic_key.len:0), (logic_key.s?logic_key.s:""));
+		else
+			b2b_cback(msg, b2b_key, B2B_REPLY, logic_key.s?&logic_key:0,
+				b2b_param, b2b_cb_flags);
 		if(logic_key.s)
 		{
 			pkg_free(logic_key.s);