core: add via reply xavp params for generation when using another reply

src/core/msg_translator.c

@@ -2320,6 +2320,8 @@ char *generate_res_buf_from_sip_res(
 	unsigned offset, s_offset, via_offset;
 	char *buf;
 	unsigned int len;
+	str xparams;
+	sr_lump_t *anchor;
 
 	buf = msg->buf;
 	len = msg->len;
@@ -2339,6 +2341,23 @@ char *generate_res_buf_from_sip_res(
 		}
 	}
 
+	/* test and add xavp via reply params */
+	if(msg && msg->via2 && (msg->msg_flags & FL_ADD_XAVP_VIA_REPLY_PARAMS)
+			&& _ksr_xavp_via_reply_params.len > 0) {
+		xparams.s = pv_get_buffer();
+		xparams.len = xavp_serialize_fields(
+				&_ksr_xavp_via_reply_params, xparams.s, pv_get_buffer_size());
+		if(xparams.len > 0) {
+			anchor = anchor_lump(msg, msg->via2->params.s
+					+ msg->via2->params.len - msg->buf, 0, 0);
+			if(anchor != NULL) {
+				if(insert_new_lump_after(anchor, xparams.s, xparams.len, 0) == 0) {
+					LM_ERR("unable to add via reply xavp params\n");
+				}
+			}
+		}
+	}
+
 	/* Calculate message body difference and adjust
 	      * Content-Length
 	      */
@@ -2458,7 +2477,7 @@ char *build_res_buf_from_sip_req(unsigned int code, str *text, str *new_tag,
 			len -= msg->via1->rport->size + 1; /* include ';' */
 	}
 
-	/* test and add xavpvia  params */
+	/* test and add xavp via reply params */
 	if(msg && (msg->msg_flags & FL_ADD_XAVP_VIA_REPLY_PARAMS)
 			&& _ksr_xavp_via_reply_params.len > 0) {
 		xparams.s = pv_get_buffer();