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Diffstat (limited to 'security')
-rw-r--r--security/selinux/hooks.c80
1 files changed, 18 insertions, 62 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 7297d1f0a9df..4210831d5ade 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5689,10 +5689,11 @@ static int selinux_tun_dev_open(void *security)
#ifdef CONFIG_NETFILTER
-static unsigned int selinux_ip_forward(struct sk_buff *skb,
- const struct net_device *indev,
- u16 family)
+static unsigned int selinux_ip_forward(void *priv, struct sk_buff *skb,
+ const struct nf_hook_state *state)
{
+ const struct net_device *indev = state->in;
+ u16 family = state->pf;
int err;
char *addrp;
u32 peer_sid;
@@ -5747,25 +5748,10 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb,
return NF_ACCEPT;
}
-static unsigned int selinux_ipv4_forward(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_forward(skb, state->in, PF_INET);
-}
-
-#if IS_ENABLED(CONFIG_IPV6)
-static unsigned int selinux_ipv6_forward(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_forward(skb, state->in, PF_INET6);
-}
-#endif /* IPV6 */
-
-static unsigned int selinux_ip_output(struct sk_buff *skb,
- u16 family)
+static unsigned int selinux_ip_output(void *priv, struct sk_buff *skb,
+ const struct nf_hook_state *state)
{
+ u16 family = state->pf;
struct sock *sk;
u32 sid;
@@ -5805,21 +5791,6 @@ static unsigned int selinux_ip_output(struct sk_buff *skb,
return NF_ACCEPT;
}
-static unsigned int selinux_ipv4_output(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_output(skb, PF_INET);
-}
-
-#if IS_ENABLED(CONFIG_IPV6)
-static unsigned int selinux_ipv6_output(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_output(skb, PF_INET6);
-}
-#endif /* IPV6 */
static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
int ifindex,
@@ -5855,10 +5826,12 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
return NF_ACCEPT;
}
-static unsigned int selinux_ip_postroute(struct sk_buff *skb,
- const struct net_device *outdev,
- u16 family)
+static unsigned int selinux_ip_postroute(void *priv,
+ struct sk_buff *skb,
+ const struct nf_hook_state *state)
{
+ const struct net_device *outdev = state->out;
+ u16 family = state->pf;
u32 secmark_perm;
u32 peer_sid;
int ifindex = outdev->ifindex;
@@ -5994,23 +5967,6 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb,
return NF_ACCEPT;
}
-
-static unsigned int selinux_ipv4_postroute(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_postroute(skb, state->out, PF_INET);
-}
-
-#if IS_ENABLED(CONFIG_IPV6)
-static unsigned int selinux_ipv6_postroute(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return selinux_ip_postroute(skb, state->out, PF_INET6);
-}
-#endif /* IPV6 */
-
#endif /* CONFIG_NETFILTER */
static int selinux_netlink_send(struct sock *sk, struct sk_buff *skb)
@@ -7475,38 +7431,38 @@ DEFINE_LSM(selinux) = {
static const struct nf_hook_ops selinux_nf_ops[] = {
{
- .hook = selinux_ipv4_postroute,
+ .hook = selinux_ip_postroute,
.pf = NFPROTO_IPV4,
.hooknum = NF_INET_POST_ROUTING,
.priority = NF_IP_PRI_SELINUX_LAST,
},
{
- .hook = selinux_ipv4_forward,
+ .hook = selinux_ip_forward,
.pf = NFPROTO_IPV4,
.hooknum = NF_INET_FORWARD,
.priority = NF_IP_PRI_SELINUX_FIRST,
},
{
- .hook = selinux_ipv4_output,
+ .hook = selinux_ip_output,
.pf = NFPROTO_IPV4,
.hooknum = NF_INET_LOCAL_OUT,
.priority = NF_IP_PRI_SELINUX_FIRST,
},
#if IS_ENABLED(CONFIG_IPV6)
{
- .hook = selinux_ipv6_postroute,
+ .hook = selinux_ip_postroute,
.pf = NFPROTO_IPV6,
.hooknum = NF_INET_POST_ROUTING,
.priority = NF_IP6_PRI_SELINUX_LAST,
},
{
- .hook = selinux_ipv6_forward,
+ .hook = selinux_ip_forward,
.pf = NFPROTO_IPV6,
.hooknum = NF_INET_FORWARD,
.priority = NF_IP6_PRI_SELINUX_FIRST,
},
{
- .hook = selinux_ipv6_output,
+ .hook = selinux_ip_output,
.pf = NFPROTO_IPV6,
.hooknum = NF_INET_LOCAL_OUT,
.priority = NF_IP6_PRI_SELINUX_FIRST,