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Subject[PATCH 1/7] [IPSEC] Restrict socket policy loading to CAP_NET_ADMIN - CAN-2005-2555
-stable review patch.  If anyone has any  objections, please let us know.
------------------
The interface needs much redesigning if we wish to allow
normal users to do this in some way.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@osdl.org>
---
net/ipv4/ip_sockglue.c | 3 +++
net/ipv6/ipv6_sockglue.c | 3 +++
2 files changed, 6 insertions(+)
Index: linux-2.6.12.y/net/ipv4/ip_sockglue.c
===================================================================
--- linux-2.6.12.y.orig/net/ipv4/ip_sockglue.c
+++ linux-2.6.12.y/net/ipv4/ip_sockglue.c
@@ -848,6 +848,9 @@ mc_msf_out:

case IP_IPSEC_POLICY:
case IP_XFRM_POLICY:
+ err = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ break;
err = xfrm_user_policy(sk, optname, optval, optlen);
break;

Index: linux-2.6.12.y/net/ipv6/ipv6_sockglue.c
===================================================================
--- linux-2.6.12.y.orig/net/ipv6/ipv6_sockglue.c
+++ linux-2.6.12.y/net/ipv6/ipv6_sockglue.c
@@ -503,6 +503,9 @@ done:
break;
case IPV6_IPSEC_POLICY:
case IPV6_XFRM_POLICY:
+ retv = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ break;
retv = xfrm_user_policy(sk, optname, optval, optlen);
break;

--
-
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