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Diffstat (limited to 'net/key/af_key.c')
-rw-r--r--net/key/af_key.c55
1 files changed, 38 insertions, 17 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 5b426a646544..556fdafdd1ea 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -203,7 +203,6 @@ static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2,
}
if (*skb2 != NULL) {
if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf) {
- skb_orphan(*skb2);
skb_set_owner_r(*skb2, sk);
skb_queue_tail(&sk->sk_receive_queue, *skb2);
sk->sk_data_ready(sk, (*skb2)->len);
@@ -226,7 +225,6 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
{
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;
- struct hlist_node *node;
struct sk_buff *skb2 = NULL;
int err = -ESRCH;
@@ -237,7 +235,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
return -ENOMEM;
rcu_read_lock();
- sk_for_each_rcu(sk, node, &net_pfkey->table) {
+ sk_for_each_rcu(sk, &net_pfkey->table) {
struct pfkey_sock *pfk = pfkey_sk(sk);
int err2;
@@ -762,7 +760,7 @@ static struct sk_buff *__pfkey_xfrm_state2msg(const struct xfrm_state *x,
}
/* identity & sensitivity */
- if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr, x->props.family))
+ if (!xfrm_addr_equal(&x->sel.saddr, &x->props.saddr, x->props.family))
size += sizeof(struct sadb_address) + sockaddr_size;
if (add_keys) {
@@ -816,18 +814,21 @@ static struct sk_buff *__pfkey_xfrm_state2msg(const struct xfrm_state *x,
sa->sadb_sa_auth = 0;
if (x->aalg) {
struct xfrm_algo_desc *a = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
- sa->sadb_sa_auth = a ? a->desc.sadb_alg_id : 0;
+ sa->sadb_sa_auth = (a && a->pfkey_supported) ?
+ a->desc.sadb_alg_id : 0;
}
sa->sadb_sa_encrypt = 0;
BUG_ON(x->ealg && x->calg);
if (x->ealg) {
struct xfrm_algo_desc *a = xfrm_ealg_get_byname(x->ealg->alg_name, 0);
- sa->sadb_sa_encrypt = a ? a->desc.sadb_alg_id : 0;
+ sa->sadb_sa_encrypt = (a && a->pfkey_supported) ?
+ a->desc.sadb_alg_id : 0;
}
/* KAME compatible: sadb_sa_encrypt is overloaded with calg id */
if (x->calg) {
struct xfrm_algo_desc *a = xfrm_calg_get_byname(x->calg->alg_name, 0);
- sa->sadb_sa_encrypt = a ? a->desc.sadb_alg_id : 0;
+ sa->sadb_sa_encrypt = (a && a->pfkey_supported) ?
+ a->desc.sadb_alg_id : 0;
}
sa->sadb_sa_flags = 0;
@@ -909,8 +910,8 @@ static struct sk_buff *__pfkey_xfrm_state2msg(const struct xfrm_state *x,
if (!addr->sadb_address_prefixlen)
BUG();
- if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr,
- x->props.family)) {
+ if (!xfrm_addr_equal(&x->sel.saddr, &x->props.saddr,
+ x->props.family)) {
addr = (struct sadb_address*) skb_put(skb,
sizeof(struct sadb_address)+sockaddr_size);
addr->sadb_address_len =
@@ -1138,7 +1139,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
if (sa->sadb_sa_auth) {
int keysize = 0;
struct xfrm_algo_desc *a = xfrm_aalg_get_byid(sa->sadb_sa_auth);
- if (!a) {
+ if (!a || !a->pfkey_supported) {
err = -ENOSYS;
goto out;
}
@@ -1160,7 +1161,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
if (sa->sadb_sa_encrypt) {
if (hdr->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
struct xfrm_algo_desc *a = xfrm_calg_get_byid(sa->sadb_sa_encrypt);
- if (!a) {
+ if (!a || !a->pfkey_supported) {
err = -ENOSYS;
goto out;
}
@@ -1172,7 +1173,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
} else {
int keysize = 0;
struct xfrm_algo_desc *a = xfrm_ealg_get_byid(sa->sadb_sa_encrypt);
- if (!a) {
+ if (!a || !a->pfkey_supported) {
err = -ENOSYS;
goto out;
}
@@ -1321,7 +1322,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_
if (hdr->sadb_msg_seq) {
x = xfrm_find_acq_byseq(net, DUMMY_MARK, hdr->sadb_msg_seq);
- if (x && xfrm_addr_cmp(&x->id.daddr, xdaddr, family)) {
+ if (x && !xfrm_addr_equal(&x->id.daddr, xdaddr, family)) {
xfrm_state_put(x);
x = NULL;
}
@@ -1578,13 +1579,13 @@ static struct sk_buff *compose_sadb_supported(const struct sadb_msg *orig,
struct sadb_msg *hdr;
int len, auth_len, enc_len, i;
- auth_len = xfrm_count_auth_supported();
+ auth_len = xfrm_count_pfkey_auth_supported();
if (auth_len) {
auth_len *= sizeof(struct sadb_alg);
auth_len += sizeof(struct sadb_supported);
}
- enc_len = xfrm_count_enc_supported();
+ enc_len = xfrm_count_pfkey_enc_supported();
if (enc_len) {
enc_len *= sizeof(struct sadb_alg);
enc_len += sizeof(struct sadb_supported);
@@ -1615,6 +1616,8 @@ static struct sk_buff *compose_sadb_supported(const struct sadb_msg *orig,
struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(i);
if (!aalg)
break;
+ if (!aalg->pfkey_supported)
+ continue;
if (aalg->available)
*ap++ = aalg->desc;
}
@@ -1634,6 +1637,8 @@ static struct sk_buff *compose_sadb_supported(const struct sadb_msg *orig,
struct xfrm_algo_desc *ealg = xfrm_ealg_get_byidx(i);
if (!ealg)
break;
+ if (!ealg->pfkey_supported)
+ continue;
if (ealg->available)
*ap++ = ealg->desc;
}
@@ -2825,6 +2830,8 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(i);
if (!aalg)
break;
+ if (!aalg->pfkey_supported)
+ continue;
if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
@@ -2840,6 +2847,9 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!ealg)
break;
+ if (!ealg->pfkey_supported)
+ continue;
+
if (!(ealg_tmpl_set(t, ealg) && ealg->available))
continue;
@@ -2848,6 +2858,9 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!aalg)
break;
+ if (!aalg->pfkey_supported)
+ continue;
+
if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
@@ -2871,6 +2884,9 @@ static void dump_ah_combs(struct sk_buff *skb, const struct xfrm_tmpl *t)
if (!aalg)
break;
+ if (!aalg->pfkey_supported)
+ continue;
+
if (aalg_tmpl_set(t, aalg) && aalg->available) {
struct sadb_comb *c;
c = (struct sadb_comb*)skb_put(skb, sizeof(struct sadb_comb));
@@ -2903,6 +2919,9 @@ static void dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t)
if (!ealg)
break;
+ if (!ealg->pfkey_supported)
+ continue;
+
if (!(ealg_tmpl_set(t, ealg) && ealg->available))
continue;
@@ -2911,6 +2930,8 @@ static void dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t)
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(k);
if (!aalg)
break;
+ if (!aalg->pfkey_supported)
+ continue;
if (!(aalg_tmpl_set(t, aalg) && aalg->available))
continue;
c = (struct sadb_comb*)skb_put(skb, sizeof(struct sadb_comb));
@@ -3718,7 +3739,7 @@ static int __net_init pfkey_init_proc(struct net *net)
{
struct proc_dir_entry *e;
- e = proc_net_fops_create(net, "pfkey", 0, &pfkey_proc_ops);
+ e = proc_create("pfkey", 0, net->proc_net, &pfkey_proc_ops);
if (e == NULL)
return -ENOMEM;
@@ -3727,7 +3748,7 @@ static int __net_init pfkey_init_proc(struct net *net)
static void __net_exit pfkey_exit_proc(struct net *net)
{
- proc_net_remove(net, "pfkey");
+ remove_proc_entry("pfkey", net->proc_net);
}
#else
static inline int pfkey_init_proc(struct net *net)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.