From 2e09ef6886bbf00bc5a9a641110f801e372ffde6 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Mon, 26 May 2008 08:33:22 +0000
Subject: [PATCH] Fix bug 1732 - using un-acked DNS settings

This fixes a bug where we could end up using DNS settings that
were requested but nacked or rejected.  The problem was that ipcp_up
was only looking at go->dnsaddr, not at go->req_dns{1,2}.
---
 pppd/ipcp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pppd/ipcp.c b/pppd/ipcp.c
index 98a427c..b7da1f7 100644
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -40,7 +40,7 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#define RCSID	"$Id: ipcp.c,v 1.72 2008/03/26 11:34:23 paulus Exp $"
+#define RCSID	"$Id: ipcp.c,v 1.73 2008/05/26 08:33:22 paulus Exp $"
 
 /*
  * TODO:
@@ -1742,6 +1742,10 @@ ipcp_up(f)
     if (ho->hisaddr != 0)
 	script_setenv("IPREMOTE", ip_ntoa(ho->hisaddr), 1);
 
+    if (!go->req_dns1)
+	    go->dnsaddr[0] = 0;
+    if (!go->req_dns2)
+	    go->dnsaddr[1] = 0;
     if (go->dnsaddr[0])
 	script_setenv("DNS1", ip_ntoa(go->dnsaddr[0]), 0);
     if (go->dnsaddr[1])
-- 
2.39.2