From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 16 Nov 2012 03:58:54 +0000 (-0500)
Subject: Give useful warning when both IPv4 and IPv6 are disabled on a socksport
X-Git-Tag: tor-0.2.4.7-alpha~33
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ecb619d96bf22150a926c233b3ddc5d82b3dc032;p=thirdparty%2Ftor.git

Give useful warning when both IPv4 and IPv6 are disabled on a socksport
---

diff --git a/src/or/config.c b/src/or/config.c
index f7a803fd28..206ccc80d5 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -4777,6 +4777,12 @@ parse_port_config(smartlist_t *out,
     else
       got_zero_port = 1;
 
+    if (ipv4_traffic == 0 && ipv6_traffic == 0) {
+      log_warn(LD_CONFIG, "You have a %sPort entry with both IPv4 and "
+               "IPv6 disabled; that won't work.", portname);
+      goto err;
+    }
+
     if (out && port) {
       port_cfg_t *cfg = tor_malloc_zero(sizeof(port_cfg_t));
       tor_addr_copy(&cfg->addr, &addr);