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authorEric W. Biederman <ebiederm@xmission.com>2012-11-16 03:03:11 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-18 20:33:36 -0500
commitb51642f6d77b131dc85d1d71029c3cbb5b07c262 (patch)
tree0f3feb16dad1cd729dff368396ee90cd424797a1 /net/ipv4
parentc027aab4a6b1fe2541090ac04bee8ad246aeef70 (diff)
downloadblackbird-op-linux-b51642f6d77b131dc85d1d71029c3cbb5b07c262.tar.gz
blackbird-op-linux-b51642f6d77b131dc85d1d71029c3cbb5b07c262.zip
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" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/devinet.c6
-rw-r--r--net/ipv4/fib_frontend.c6
2 files changed, 0 insertions, 12 deletions
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;
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