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| author | Daniel Lezcano <dlezcano@fr.ibm.com> | 2008-01-10 22:44:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:01:45 -0800 |
| commit | 1cab3da6be6c7659f62d0d297b389cc0e48b2178 (patch) | |
| tree | f5a3e8a21136322625cb61dcf94d3edfac5ab7d1 /net/ipv6/addrconf.c | |
| parent | 06bfe655e7db7719c0eb51eb420fb9c2a6aa1e00 (diff) | |
| download | linux-1cab3da6be6c7659f62d0d297b389cc0e48b2178.tar.gz linux-1cab3da6be6c7659f62d0d297b389cc0e48b2178.tar.bz2 linux-1cab3da6be6c7659f62d0d297b389cc0e48b2178.zip | |
[NETNS][IPV6]: inet6_addr - ipv6_get_ifaddr namespace aware
The inet6_addr_lst is browsed taking into account the network
namespace specified as parameter. If an address does not belong
to the specified namespace, it is ignored.
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>
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 41cc31ee297e..c4df6cdff650 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1247,13 +1247,16 @@ int ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr, return ifp != NULL; } -struct inet6_ifaddr * ipv6_get_ifaddr(struct in6_addr *addr, struct net_device *dev, int strict) +struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, struct in6_addr *addr, + struct net_device *dev, int strict) { 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_equal(&ifp->addr, addr)) { if (dev == NULL || ifp->idev->dev == dev || !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { @@ -1739,7 +1742,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len) ok: - ifp = ipv6_get_ifaddr(&addr, dev, 1); + ifp = ipv6_get_ifaddr(&init_net, &addr, dev, 1); if (ifp == NULL && valid_lft) { int max_addresses = in6_dev->cnf.max_addresses; @@ -3135,7 +3138,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) /* We ignore other flags so far. */ ifa_flags = ifm->ifa_flags & (IFA_F_NODAD | IFA_F_HOMEADDRESS); - ifa = ipv6_get_ifaddr(pfx, dev, 1); + ifa = ipv6_get_ifaddr(net, pfx, dev, 1); if (ifa == NULL) { /* * It would be best to check for !NLM_F_CREATE here but @@ -3442,7 +3445,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh, if (ifm->ifa_index) dev = __dev_get_by_index(&init_net, ifm->ifa_index); - if ((ifa = ipv6_get_ifaddr(addr, dev, 1)) == NULL) { + if ((ifa = ipv6_get_ifaddr(net, addr, dev, 1)) == NULL) { err = -EADDRNOTAVAIL; goto errout; } |