From b51642f6d77b131dc85d1d71029c3cbb5b07c262 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Fri, 16 Nov 2012 03:03:11 +0000 Subject: net: Enable a userns root rtnl calls that are safe for unprivilged users - Only allow moving network devices to network namespaces you have CAP_NET_ADMIN privileges over. - Enable creating/deleting/modifying interfaces - Enable adding/deleting addresses - Enable adding/setting/deleting neighbour entries - Enable adding/removing routes - Enable adding/removing fib rules - Enable setting the forwarding state - Enable adding/removing ipv6 address labels - Enable setting bridge parameter Signed-off-by: "Eric W. Biederman" Signed-off-by: David S. Miller --- net/ipv4/devinet.c | 6 ------ net/ipv4/fib_frontend.c | 6 ------ 2 files changed, 12 deletions(-) (limited to 'net/ipv4') diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 298c1c279739..e13183abd7f6 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -539,9 +539,6 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg ASSERT_RTNL(); - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); if (err < 0) goto errout; @@ -649,9 +646,6 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg ASSERT_RTNL(); - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - ifa = rtm_to_ifaddr(net, nlh); if (IS_ERR(ifa)) return PTR_ERR(ifa); diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 784716a677ce..5cd75e2dab2c 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -613,9 +613,6 @@ static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *ar struct fib_table *tb; int err; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - err = rtm_to_fib_config(net, skb, nlh, &cfg); if (err < 0) goto errout; @@ -638,9 +635,6 @@ static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *ar struct fib_table *tb; int err; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - err = rtm_to_fib_config(net, skb, nlh, &cfg); if (err < 0) goto errout; -- cgit v1.2.3