modules/uac: Add RR parameter on sequential requests when using uac_replace_from/to

modules/uac/replace.c

@@ -512,6 +512,7 @@ int restore_uri( struct sip_msg *msg, str *rr_param, str* restore_avp, int check
 {
 	struct lump* l;
 	str param_val;
+	str add_to_rr = {0, 0};
 	struct to_body* old_body;
 	str old_uri;
 	str new_uri;
@@ -540,6 +541,20 @@ int restore_uri( struct sip_msg *msg, str *rr_param, str* restore_avp, int check
 		goto failed;
 	}
 
+	add_to_rr.s = pkg_malloc(2+rr_param->len+param_val.len);
+	if ( add_to_rr.s==0 ) {
+		add_to_rr.len = 0;
+		LM_ERR("no more pkg mem\n");
+		goto failed;
+	}
+	add_to_rr.len = sprintf(add_to_rr.s, ";%.*s=%.*s", rr_param->len,rr_param->s,param_val.len,param_val.s);
+
+	if ( uac_rrb.add_rr_param(msg, &add_to_rr)!=0 ) {
+		LM_ERR("add_RR_param failed\n");
+		goto failed;
+	}
+	pkg_free(add_to_rr.s);
+
 	/* dencrypt parameter ;) */
 	if (uac_passwd.len)
 		for( i=0 ; i<new_uri.len ; i++)
@@ -635,6 +650,8 @@ int restore_uri( struct sip_msg *msg, str *rr_param, str* restore_avp, int check
 failed1:
 	pkg_free(new_uri.s);
 failed:
+	if(add_to_rr.s)
+		pkg_free(add_to_rr.s);
 	return -1;
 }