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| author | Balazs Scheidler <bazsi@balabit.hu> | 2010-10-23 04:48:14 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-24 16:07:50 -0700 |
| commit | b889416b54c90f59276537debd92cb4e84b5f550 (patch) | |
| tree | 2f4280710cc870e794f270c5978a957ae0c0fce6 /net/ipv6/ipv6_sockglue.c | |
| parent | 0561cf3dbff1f37c0d374fb1b824ef3a117c85e0 (diff) | |
| download | lwn-b889416b54c90f59276537debd92cb4e84b5f550.tar.gz lwn-b889416b54c90f59276537debd92cb4e84b5f550.zip | |
tproxy: Add missing CAP_NET_ADMIN check to ipv6 side
IP_TRANSPARENT requires root (more precisely CAP_NET_ADMIN privielges)
for IPV6.
However as I see right now this check was missed from the IPv6
implementation.
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 0553867a317f..d1770e061c08 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -343,6 +343,10 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, break; case IPV6_TRANSPARENT: + if (!capable(CAP_NET_ADMIN)) { + retv = -EPERM; + break; + } if (optlen < sizeof(int)) goto e_inval; /* we don't have a separate transparent bit for IPV6 we use the one in the IPv4 socket */ |