summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDaniel Lezcano <dlezcano@fr.ibm.com>2008-01-10 22:44:40 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:01:46 -0800
commit389f661224cdbdf178553fb09a52dc6c8bf86890 (patch)
tree710be1af4fd9a1173d9c6eae6da126872f9fd25c
parent1cab3da6be6c7659f62d0d297b389cc0e48b2178 (diff)
downloadblackbird-op-linux-389f661224cdbdf178553fb09a52dc6c8bf86890.tar.gz
blackbird-op-linux-389f661224cdbdf178553fb09a52dc6c8bf86890.zip
[NETNS][IPV6]: inet6_addr - make ipv6_chk_home_addr namespace aware
Looks if the address is belonging to the network namespace, otherwise discard the address for the check. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/addrconf.h3
-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/exthdrs.c2
3 files changed, 6 insertions, 3 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 77f630f12806..8b1509bfc695 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -65,7 +65,8 @@ extern int ipv6_chk_addr(struct net *net,
int strict);
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-extern int ipv6_chk_home_addr(struct in6_addr *addr);
+extern int ipv6_chk_home_addr(struct net *net,
+ struct in6_addr *addr);
#endif
extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
struct in6_addr *addr,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c4df6cdff650..803caf1a3890 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2883,13 +2883,15 @@ void if6_proc_exit(void)
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
/* Check if address is a home address configured on any interface. */
-int ipv6_chk_home_addr(struct in6_addr *addr)
+int ipv6_chk_home_addr(struct net *net, struct in6_addr *addr)
{
int ret = 0;
struct inet6_ifaddr * ifp;
u8 hash = ipv6_addr_hash(addr);
read_lock_bh(&addrconf_hash_lock);
for (ifp = inet6_addr_lst[hash]; ifp; ifp = ifp->lst_next) {
+ if (ifp->idev->dev->nd_net != net)
+ continue;
if (ipv6_addr_cmp(&ifp->addr, addr) == 0 &&
(ifp->flags & IFA_F_HOMEADDRESS)) {
ret = 1;
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 2df34ed276f1..3cd1c993d52b 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -445,7 +445,7 @@ looped_back:
kfree_skb(skb);
return -1;
}
- if (!ipv6_chk_home_addr(addr)) {
+ if (!ipv6_chk_home_addr(&init_net, addr)) {
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
IPSTATS_MIB_INADDRERRORS);
kfree_skb(skb);
OpenPOWER on IntegriCloud