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authorHerbert Xu <herbert@gondor.apana.org.au>2007-12-30 21:10:30 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:00:10 -0800
commit9dd3245a2ac1834797191072705015e6a12f55bf (patch)
treeb8f05a146de3729698ef7627e68251ee68a2a472
parent0883ae0e5599656b5f3b0e9ce474e01dee7dfee4 (diff)
downloadop-kernel-dev-9dd3245a2ac1834797191072705015e6a12f55bf.zip
op-kernel-dev-9dd3245a2ac1834797191072705015e6a12f55bf.tar.gz
[IPSEC]: Move all calls to xfrm_audit_state_icvfail to xfrm_input
Let's nip the code duplication in the bud :) Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/ah4.c4
-rw-r--r--net/ipv4/esp4.c1
-rw-r--r--net/ipv6/ah6.c4
-rw-r--r--net/ipv6/esp6.c1
-rw-r--r--net/xfrm/xfrm_input.c5
5 files changed, 6 insertions, 9 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index ec8de0a..d76803a 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -179,10 +179,8 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
err = ah_mac_digest(ahp, skb, ah->auth_data);
if (err)
goto unlock;
- if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
- xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
+ if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
err = -EBADMSG;
- }
}
unlock:
spin_unlock(&x->lock);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b334c76..28ea5c7 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -191,7 +191,6 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
BUG();
if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
- xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
err = -EBADMSG;
goto unlock;
}
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2d32772..fb0d07a 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -380,10 +380,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
err = ah_mac_digest(ahp, skb, ah->auth_data);
if (err)
goto unlock;
- if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
- xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
+ if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
err = -EBADMSG;
- }
}
unlock:
spin_unlock(&x->lock);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index e10f10b..5bd5292 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -186,7 +186,6 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
BUG();
if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
- xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
ret = -EBADMSG;
goto unlock;
}
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 1b250f3..039e701 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -186,8 +186,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
resume:
spin_lock(&x->lock);
if (nexthdr <= 0) {
- if (nexthdr == -EBADMSG)
+ if (nexthdr == -EBADMSG) {
+ xfrm_audit_state_icvfail(x, skb,
+ x->type->proto);
x->stats.integrity_failed++;
+ }
XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEPROTOERROR);
goto drop_unlock;
}
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