diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 5bbd599a4471..956137baf3e7 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2889,7 +2889,8 @@ static void selinux_task_to_inode(struct task_struct *p, } /* Returns error only if unable to parse addresses */ -static int selinux_parse_skb_ipv4(struct sk_buff *skb, struct avc_audit_data *ad) +static int selinux_parse_skb_ipv4(struct sk_buff *skb, + struct avc_audit_data *ad, u8 *proto) { int offset, ihlen, ret = -EINVAL; struct iphdr _iph, *ih; @@ -2907,6 +2908,9 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, struct avc_audit_data *ad ad->u.net.v4info.daddr = ih->daddr; ret = 0; + if (proto) + *proto = ih->protocol; + switch (ih->protocol) { case IPPROTO_TCP: { struct tcphdr _tcph, *th; @@ -2950,7 +2954,8 @@ out: #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) /* Returns error only if unable to parse addresses */ -static int selinux_parse_skb_ipv6(struct sk_buff *skb, struct avc_audit_data *ad) +static int selinux_parse_skb_ipv6(struct sk_buff *skb, + struct avc_audit_data *ad, u8 *proto) { u8 nexthdr; int ret = -EINVAL, offset; @@ -2971,6 +2976,9 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, struct avc_audit_data *ad if (offset < 0) goto out; + if (proto) + *proto = nexthdr; + switch (nexthdr) { case IPPROTO_TCP: { struct tcphdr _tcph, *th; @@ -3007,13 +3015,13 @@ out: #endif /* IPV6 */ static int selinux_parse_skb(struct sk_buff *skb, struct avc_audit_data *ad, - char **addrp, int *len, int src) + char **addrp, int *len, int src, u8 *proto) { int ret = 0; switch (ad->u.net.family) { case PF_INET: - ret = selinux_parse_skb_ipv4(skb, ad); + ret = selinux_parse_skb_ipv4(skb, ad, proto); if (ret || !addrp) break; *len = 4; @@ -3023,7 +3031,7 @@ static int selinux_parse_skb(struct sk_buff *skb, struct avc_audit_data *ad, #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) case PF_INET6: - ret = selinux_parse_skb_ipv6(skb, ad); + ret = selinux_parse_skb_ipv6(skb, ad, proto); if (ret || !addrp) break; *len = 16; @@ -3494,7 +3502,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) ad.u.net.netif = skb->dev ? skb->dev->name : "[unknown]"; ad.u.net.family = family; - err = selinux_parse_skb(skb, &ad, &addrp, &len, 1); + err = selinux_parse_skb(skb, &ad, &addrp, &len, 1, NULL); if (err) goto out; @@ -3820,6 +3828,7 @@ static unsigned int selinux_ip_postroute_last(unsigned int hooknum, struct avc_audit_data ad; struct net_device *dev = (struct net_device *)out; struct sk_security_struct *sksec; + u8 proto; sk = skb->sk; if (!sk) @@ -3831,7 +3840,7 @@ static unsigned int selinux_ip_postroute_last(unsigned int hooknum, ad.u.net.netif = dev->name; ad.u.net.family = family; - err = selinux_parse_skb(skb, &ad, &addrp, &len, 0); + err = selinux_parse_skb(skb, &ad, &addrp, &len, 0, &proto); if (err) goto out; @@ -3845,7 +3854,7 @@ static unsigned int selinux_ip_postroute_last(unsigned int hooknum, if (err) goto out; - err = selinux_xfrm_postroute_last(sksec->sid, skb, &ad); + err = selinux_xfrm_postroute_last(sksec->sid, skb, &ad, proto); out: return err ? NF_DROP : NF_ACCEPT; } @@ -4764,7 +4773,6 @@ static struct security_operations selinux_ops = { .xfrm_state_delete_security = selinux_xfrm_state_delete, .xfrm_policy_lookup = selinux_xfrm_policy_lookup, .xfrm_state_pol_flow_match = selinux_xfrm_state_pol_flow_match, - .xfrm_flow_state_match = selinux_xfrm_flow_state_match, .xfrm_decode_session = selinux_xfrm_decode_session, #endif |