diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index fed95a3..4edc3da 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -703,6 +703,9 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) int s_idx = cb->args[0]; struct net_device *dev; + if (net != &init_net) + return 0; + idx = 0; for_each_netdev(net, dev) { if (idx < s_idx) @@ -905,6 +908,9 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) struct nlattr *tb[IFLA_MAX+1]; char ifname[IFNAMSIZ]; + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); if (err < 0) goto errout; @@ -953,6 +959,9 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) struct nlattr *tb[IFLA_MAX+1]; int err; + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); if (err < 0) return err; @@ -1034,6 +1043,9 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) struct nlattr *linkinfo[IFLA_INFO_MAX+1]; int err; + if (net != &init_net) + return -EINVAL; + #ifdef CONFIG_KMOD replay: #endif @@ -1160,6 +1172,9 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) struct sk_buff *nskb; int err; + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); if (err < 0) return err; @@ -1195,9 +1210,13 @@ errout: static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = skb->sk->sk_net; int idx; int s_idx = cb->family; + if (net != &init_net) + return 0; + if (s_idx == 0) s_idx = 1; for (idx=1; idx<NPROTO; idx++) { |
