From 160f5725a6646d432f70fe8b677ffdbcbdeb02ce Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Tue, 26 Apr 2011 11:09:59 +0200
Subject: [PATCH] Do reverse lookups using the AF of the incoming connection

This fixes errors like this one:
  Address mismatch: 2001:1234:abcd:1::1 != 192.168.1.1
---
 src/ngircd/resolve.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ngircd/resolve.c b/src/ngircd/resolve.c
index ff40b8d5..9b17af9c 100644
--- a/src/ngircd/resolve.c
+++ b/src/ngircd/resolve.c
@@ -380,7 +380,7 @@ Do_ResolveAddr(const ng_ipaddr_t *Addr, int identsock, int w_fd)
 	if (!ReverseLookup(Addr, hostname, sizeof(hostname)))
 		goto dns_done;
 
-	if (ForwardLookup(hostname, &resolved_addr, AF_UNSPEC)) {
+	if (ForwardLookup(hostname, &resolved_addr, ng_ipaddr_af(Addr))) {
 		if (!Addr_in_list(&resolved_addr, Addr)) {
 			Log_Forgery_WrongIP(tmp_ip_str, hostname);
 			strlcpy(hostname, tmp_ip_str, sizeof(hostname));