From a343bb398595a4edba3c334581ca40b2a9a051b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Jacke?= <bj@sernet.de>
Date: Wed, 17 Jul 2013 18:56:09 +0200
Subject: [PATCH] s4: fix IP enumeration and IPv6 loopback detection

fixes bug #10030

we used to register ::1 at the DNS if we joined a domain and if "lo" was listed
in "interfaces".
---
 python/pyglue.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/python/pyglue.c b/python/pyglue.c
index 735f03a..3247802 100644
--- a/python/pyglue.c
+++ b/python/pyglue.c
@@ -129,7 +129,7 @@ static PyObject *py_get_debug_level(PyObject *self)
   return the list of interface IPs we have configured
   takes an loadparm context, returns a list of IPs in string form
 
-  Does not return addresses on 127.0.0.0/8
+  Does not return addresses on 127.0.0.0/8 or ::1/128
  */
 static PyObject *py_interface_ips(PyObject *self, PyObject *args)
 {
@@ -164,7 +164,8 @@ static PyObject *py_interface_ips(PyObject *self, PyObject *args)
 	/* first count how many are not loopback addresses */
 	for (ifcount = i = 0; i<count; i++) {
 		const char *ip = iface_list_n_ip(ifaces, i);
-		if (!(!all_interfaces && iface_list_same_net(ip, "127.0.0.1", "255.0.0.0"))) {
+		if (!iface_list_same_net(ip, "127.0.0.1", "255.0.0.0") &&
+		    !iface_list_same_net(ip, "::1", "128")) {
 			ifcount++;
 		}
 	}
@@ -172,7 +173,8 @@ static PyObject *py_interface_ips(PyObject *self, PyObject *args)
 	pylist = PyList_New(ifcount);
 	for (ifcount = i = 0; i<count; i++) {
 		const char *ip = iface_list_n_ip(ifaces, i);
-		if (!(!all_interfaces && iface_list_same_net(ip, "127.0.0.1", "255.0.0.0"))) {
+		if ( !iface_list_same_net(ip, "127.0.0.1", "255.0.0.0") &&
+		     !iface_list_same_net(ip, "::1", "128")) {
 			PyList_SetItem(pylist, ifcount, PyString_FromString(ip));
 			ifcount++;
 		}
-- 
1.8.2.2