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-rw-r--r--security/selinux/hooks.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index fc77443..3d496ea 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -73,6 +73,7 @@
#include "avc.h"
#include "objsec.h"
#include "netif.h"
+#include "xfrm.h"
#define XATTR_SELINUX_SUFFIX "selinux"
#define XATTR_NAME_SELINUX XATTR_SECURITY_PREFIX XATTR_SELINUX_SUFFIX
@@ -3349,6 +3350,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
err = avc_has_perm(sock_sid, port_sid,
sock_class, recv_perm, &ad);
}
+
+ if (!err)
+ err = selinux_xfrm_sock_rcv_skb(sock_sid, skb);
+
out:
return err;
}
@@ -3401,6 +3406,24 @@ static void selinux_sk_free_security(struct sock *sk)
sk_free_security(sk);
}
+static unsigned int selinux_sk_getsid_security(struct sock *sk, struct flowi *fl, u8 dir)
+{
+ struct inode_security_struct *isec;
+ u32 sock_sid = SECINITSID_ANY_SOCKET;
+
+ if (!sk)
+ return selinux_no_sk_sid(fl);
+
+ read_lock_bh(&sk->sk_callback_lock);
+ isec = get_sock_isec(sk);
+
+ if (isec)
+ sock_sid = isec->sid;
+
+ read_unlock_bh(&sk->sk_callback_lock);
+ return sock_sid;
+}
+
static int selinux_nlmsg_perm(struct sock *sk, struct sk_buff *skb)
{
int err = 0;
@@ -3536,6 +3559,11 @@ static unsigned int selinux_ip_postroute_last(unsigned int hooknum,
send_perm, &ad) ? NF_DROP : NF_ACCEPT;
}
+ if (err != NF_ACCEPT)
+ goto out;
+
+ err = selinux_xfrm_postroute_last(isec->sid, skb);
+
out:
return err;
}
@@ -4380,6 +4408,16 @@ static struct security_operations selinux_ops = {
.socket_getpeersec = selinux_socket_getpeersec,
.sk_alloc_security = selinux_sk_alloc_security,
.sk_free_security = selinux_sk_free_security,
+ .sk_getsid = selinux_sk_getsid_security,
+#endif
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+ .xfrm_policy_alloc_security = selinux_xfrm_policy_alloc,
+ .xfrm_policy_clone_security = selinux_xfrm_policy_clone,
+ .xfrm_policy_free_security = selinux_xfrm_policy_free,
+ .xfrm_state_alloc_security = selinux_xfrm_state_alloc,
+ .xfrm_state_free_security = selinux_xfrm_state_free,
+ .xfrm_policy_lookup = selinux_xfrm_policy_lookup,
#endif
};
@@ -4491,6 +4529,7 @@ static int __init selinux_nf_ip_init(void)
panic("SELinux: nf_register_hook for IPv6: error %d\n", err);
#endif /* IPV6 */
+
out:
return err;
}
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