From f2633333178ca2e9cbb032c2bab3a4f323cde737 Mon Sep 17 00:00:00 2001
From: wollman <wollman@FreeBSD.org>
Date: Thu, 15 Jun 1995 18:30:44 +0000
Subject: [PATCH] Correctly calculate length of local-domain socket name for
 RSRR server.

---
 usr.sbin/mrouted/rsrr.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/usr.sbin/mrouted/rsrr.c b/usr.sbin/mrouted/rsrr.c
index 34eedabbe8aa..ceaf4caddd12 100644
--- a/usr.sbin/mrouted/rsrr.c
+++ b/usr.sbin/mrouted/rsrr.c
@@ -33,6 +33,8 @@
 #ifdef RSRR
 
 #include "defs.h"
+#include <sys/param.h>
+#include <stddef.h>
 
 /* Taken from prune.c */
 /*
@@ -84,7 +86,13 @@ rsrr_init()
     bzero((char *) &serv_addr, sizeof(serv_addr));
     serv_addr.sun_family = AF_UNIX;
     strcpy(serv_addr.sun_path, RSRR_SERV_PATH);
+#if BSD >= 199103
+    servlen = offsetof(struct sockaddr_un, sun_path)
+	    + strlen(serv_addr.sun_path);
+    serv_addr.sun_len = servlen;
+#else
     servlen = sizeof(serv_addr.sun_family) + strlen(serv_addr.sun_path);
+#endif
  
     if (bind(rsrr_socket, (struct sockaddr *) &serv_addr, servlen) < 0)
 	log(LOG_ERR, errno, "Can't bind RSRR socket");