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-rw-r--r--net/xfrm/xfrm_policy.c20
-rw-r--r--net/xfrm/xfrm_state.c9
-rw-r--r--net/xfrm/xfrm_user.c26
3 files changed, 35 insertions, 20 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 946b715..785c3e3 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -735,12 +735,14 @@ EXPORT_SYMBOL(xfrm_policy_insert);
struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
struct xfrm_selector *sel,
- struct xfrm_sec_ctx *ctx, int delete)
+ struct xfrm_sec_ctx *ctx, int delete,
+ int *err)
{
struct xfrm_policy *pol, *ret;
struct hlist_head *chain;
struct hlist_node *entry;
+ *err = 0;
write_lock_bh(&xfrm_policy_lock);
chain = policy_hash_bysel(sel, sel->family, dir);
ret = NULL;
@@ -750,6 +752,11 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
xfrm_sec_ctx_match(ctx, pol->security)) {
xfrm_pol_hold(pol);
if (delete) {
+ *err = security_xfrm_policy_delete(pol);
+ if (*err) {
+ write_unlock_bh(&xfrm_policy_lock);
+ return pol;
+ }
hlist_del(&pol->bydst);
hlist_del(&pol->byidx);
xfrm_policy_count[dir]--;
@@ -768,12 +775,14 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
}
EXPORT_SYMBOL(xfrm_policy_bysel_ctx);
-struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete)
+struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete,
+ int *err)
{
struct xfrm_policy *pol, *ret;
struct hlist_head *chain;
struct hlist_node *entry;
+ *err = 0;
write_lock_bh(&xfrm_policy_lock);
chain = xfrm_policy_byidx + idx_hash(id);
ret = NULL;
@@ -781,6 +790,11 @@ struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete)
if (pol->type == type && pol->index == id) {
xfrm_pol_hold(pol);
if (delete) {
+ *err = security_xfrm_policy_delete(pol);
+ if (*err) {
+ write_unlock_bh(&xfrm_policy_lock);
+ return pol;
+ }
hlist_del(&pol->bydst);
hlist_del(&pol->byidx);
xfrm_policy_count[dir]--;
@@ -2075,7 +2089,7 @@ void xfrm_audit_log(uid_t auid, u32 sid, int type, int result,
sizeof(struct in6_addr));
}
audit_log_format(audit_buf,
- " src=" NIP6_FMT "dst=" NIP6_FMT,
+ " src=" NIP6_FMT " dst=" NIP6_FMT,
NIP6(saddr6), NIP6(daddr6));
}
break;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index a35f9e4..e3a0bcfa 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -704,7 +704,8 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re
x->props.mode != mode ||
x->props.family != family ||
x->km.state != XFRM_STATE_ACQ ||
- x->id.spi != 0)
+ x->id.spi != 0 ||
+ x->id.proto != proto)
continue;
switch (family) {
@@ -801,7 +802,8 @@ int xfrm_state_add(struct xfrm_state *x)
if (use_spi && x->km.seq) {
x1 = __xfrm_find_acq_byseq(x->km.seq);
- if (x1 && xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family)) {
+ if (x1 && ((x1->id.proto != x->id.proto) ||
+ xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family))) {
xfrm_state_put(x1);
x1 = NULL;
}
@@ -1369,7 +1371,8 @@ int xfrm_replay_check(struct xfrm_state *x, __be32 net_seq)
return 0;
diff = x->replay.seq - seq;
- if (diff >= x->props.replay_window) {
+ if (diff >= min_t(unsigned int, x->props.replay_window,
+ sizeof(x->replay.bitmap) * 8)) {
x->stats.replay_window++;
return -EINVAL;
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 956cfe0..e81e2fb 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -530,9 +530,6 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
err = xfrm_state_delete(x);
- xfrm_audit_log(NETLINK_CB(skb).loginuid, NETLINK_CB(skb).sid,
- AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
-
if (err < 0)
goto out;
@@ -542,6 +539,8 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
km_state_notify(x, &c);
out:
+ xfrm_audit_log(NETLINK_CB(skb).loginuid, NETLINK_CB(skb).sid,
+ AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
xfrm_state_put(x);
return err;
}
@@ -1254,7 +1253,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
return err;
if (p->index)
- xp = xfrm_policy_byid(type, p->dir, p->index, delete);
+ xp = xfrm_policy_byid(type, p->dir, p->index, delete, &err);
else {
struct rtattr *rt = xfrma[XFRMA_SEC_CTX-1];
struct xfrm_policy tmp;
@@ -1270,7 +1269,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
if ((err = security_xfrm_policy_alloc(&tmp, uctx)))
return err;
}
- xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security, delete);
+ xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security,
+ delete, &err);
security_xfrm_policy_free(&tmp);
}
if (xp == NULL)
@@ -1288,8 +1288,6 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
MSG_DONTWAIT);
}
} else {
- err = security_xfrm_policy_delete(xp);
-
xfrm_audit_log(NETLINK_CB(skb).loginuid, NETLINK_CB(skb).sid,
AUDIT_MAC_IPSEC_DELSPD, err ? 0 : 1, xp, NULL);
@@ -1303,9 +1301,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
km_policy_notify(xp, p->dir, &c);
}
- xfrm_pol_put(xp);
-
out:
+ xfrm_pol_put(xp);
return err;
}
@@ -1502,7 +1499,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
return err;
if (p->index)
- xp = xfrm_policy_byid(type, p->dir, p->index, 0);
+ xp = xfrm_policy_byid(type, p->dir, p->index, 0, &err);
else {
struct rtattr *rt = xfrma[XFRMA_SEC_CTX-1];
struct xfrm_policy tmp;
@@ -1518,13 +1515,14 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if ((err = security_xfrm_policy_alloc(&tmp, uctx)))
return err;
}
- xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security, 0);
+ xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security,
+ 0, &err);
security_xfrm_policy_free(&tmp);
}
if (xp == NULL)
- return err;
- read_lock(&xp->lock);
+ return -ENOENT;
+ read_lock(&xp->lock);
if (xp->dead) {
read_unlock(&xp->lock);
goto out;
@@ -2027,7 +2025,7 @@ nlmsg_failure:
return -1;
}
-static int inline xfrm_sa_len(struct xfrm_state *x)
+static inline int xfrm_sa_len(struct xfrm_state *x)
{
int l = 0;
if (x->aalg)
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