pv: added $ctu - return contact header uri

src/modules/pv/pv.c

@@ -163,6 +163,8 @@ static pv_export_t mod_pvs[] = {
 			PVT_OTHER, pv_get_cseq_body, 0, 0, 0, 0, 0},
 	{{"ct", (sizeof("ct") - 1)}, /* */
 			PVT_OTHER, pv_get_contact, 0, 0, 0, 0, 0},
+	{{"ctu", (sizeof("ctu") - 1)}, /* */
+			PVT_OTHER, pv_get_contact_uri, 0, 0, 0, 0, 0},
 	{{"cT", (sizeof("cT") - 1)}, /* */
 			PVT_OTHER, pv_get_content_type, 0, 0, 0, 0, 0},
 	{{"dd", (sizeof("dd") - 1)}, /* */

src/modules/pv/pv_core.c

@@ -381,6 +381,29 @@ int pv_get_contact(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
 	return pv_get_strval(msg, param, res, &msg->contact->body);
 }
 
+int pv_get_contact_uri(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
+{
+	contact_body_t *cb = NULL;
+
+	if(msg == NULL)
+		return -1;
+
+	if(msg->contact == NULL && parse_headers(msg, HDR_CONTACT_F, 0) == -1) {
+		LM_DBG("no contact header\n");
+		return pv_get_null(msg, param, res);
+	}
+	if(parse_contact_headers(msg) < 0) {
+		return pv_get_null(msg, param, res);
+	}
+
+	cb = (contact_body_t *)msg->contact->parsed;
+	if(cb->star == 1 || cb->contacts == NULL) {
+		return pv_get_null(msg, param, res);
+	}
+
+	return pv_get_strval(msg, param, res, &cb->contacts->uri);
+}
+
 int pv_get_xto_attr(struct sip_msg *msg, pv_param_t *param, pv_value_t *res,
 		struct to_body *xto, int type)
 {

src/modules/pv/pv_core.h

@@ -65,6 +65,8 @@ int pv_get_errinfo_attr(
 
 int pv_get_contact(struct sip_msg *msg, pv_param_t *param, pv_value_t *res);
 
+int pv_get_contact_uri(struct sip_msg *msg, pv_param_t *param, pv_value_t *res);
+
 int pv_get_xto_attr(struct sip_msg *msg, pv_param_t *param, pv_value_t *res,
 		struct to_body *xto, int type);