Commit c5c35108 authored Jan 31, 2013 by Gao feng Committed by David S. Miller Feb 04, 2013

netns: fdb: allow unprivileged users to add/del fdb entries



Right now,only ixgdb,macvlan,vxlan and bridge implement
fdb_add/fdb_del operations.

these operations only operate the private data of net
device. So allowing the unprivileged users who creates
the userns and netns to add/del fdb entries will do no
harm to other netns.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 4f463855

net/core/rtnetlink.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -2058,9 +2058,6 @@ static int rtnl_fdb_add(struct sk_buff skb, struct nlmsghdr nlh, void *arg)
		u8 *addr;
		int err;

		if (!capable(CAP_NET_ADMIN))
		return -EPERM;

		err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL);
		if (err < 0)
		return err;
		@@ -2127,9 +2124,6 @@ static int rtnl_fdb_del(struct sk_buff skb, struct nlmsghdr nlh, void *arg)
		int err = -EINVAL;
		__u8 *addr;

		if (!capable(CAP_NET_ADMIN))
		return -EPERM;

		if (nlmsg_len(nlh) < sizeof(*ndm))
		return -EINVAL;