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linux-sg2042
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[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>
This commit is contained in:
Herbert Xu 2007-12-30 21:10:30 -08:00 committed by David S. Miller
parent 0883ae0e55
commit 9dd3245a2a
5 changed files with 6 additions and 9 deletions
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4
net/ipv4/ah4.c
View File

@ -179,11 +179,9 @@ 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);

1
net/ipv4/esp4.c
View File

@ -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;
}

4
net/ipv6/ah6.c
View File

@ -380,11 +380,9 @@ 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);

1
net/ipv6/esp6.c
View File

@ -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;
}

5
net/xfrm/xfrm_input.c
View File

@ -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;
}