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netns xfrm: finding policy in netns

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Add netns parameter to xfrm_policy_bysel_ctx(), xfrm_policy_byidx().

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-11-25 17:34:20 -08:00 committed by David S. Miller
parent 33ffbbd52c
commit 8d1211a6aa
4 changed files with 16 additions and 16 deletions
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4
include/net/xfrm.h
View file

@ -1439,11 +1439,11 @@ extern int xfrm_policy_walk(struct xfrm_policy_walk *walk,
int (*func)(struct xfrm_policy *, int, int, void*), void *);
extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u8 type, int dir,
struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx, int delete,
int *err);
struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete, int *err);
struct xfrm_policy *xfrm_policy_byid(struct net *net, u8, int dir, u32 id, int delete, int *err);
int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
u32 xfrm_get_acqseq(void);
extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);

6
net/key/af_key.c
View file

@ -2324,7 +2324,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
return err;
}
xp = xfrm_policy_bysel_ctx(XFRM_POLICY_TYPE_MAIN,
xp = xfrm_policy_bysel_ctx(&init_net, XFRM_POLICY_TYPE_MAIN,
pol->sadb_x_policy_dir - 1, &sel, pol_ctx,
1, &err);
security_xfrm_policy_free(pol_ctx);
@ -2571,8 +2571,8 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
return -EINVAL;
delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2);
xp = xfrm_policy_byid(XFRM_POLICY_TYPE_MAIN, dir, pol->sadb_x_policy_id,
delete, &err);
xp = xfrm_policy_byid(&init_net, XFRM_POLICY_TYPE_MAIN, dir,
pol->sadb_x_policy_id, delete, &err);
if (xp == NULL)
return -ENOENT;

14
net/xfrm/xfrm_policy.c
View file

@ -642,7 +642,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
}
EXPORT_SYMBOL(xfrm_policy_insert);
struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u8 type, int dir,
struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx, int delete,
int *err)
@ -653,7 +653,7 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
*err = 0;
write_lock_bh(&xfrm_policy_lock);
chain = policy_hash_bysel(&init_net, sel, sel->family, dir);
chain = policy_hash_bysel(net, sel, sel->family, dir);
ret = NULL;
hlist_for_each_entry(pol, entry, chain, bydst) {
if (pol->type == type &&
@ -670,7 +670,7 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
hlist_del(&pol->bydst);
hlist_del(&pol->byidx);
list_del(&pol->walk.all);
init_net.xfrm.policy_count[dir]--;
net->xfrm.policy_count[dir]--;
}
ret = pol;
break;
@ -686,8 +686,8 @@ 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,
int *err)
struct xfrm_policy *xfrm_policy_byid(struct net *net, u8 type, int dir, u32 id,
int delete, int *err)
{
struct xfrm_policy *pol, *ret;
struct hlist_head *chain;
@ -699,7 +699,7 @@ struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete,
*err = 0;
write_lock_bh(&xfrm_policy_lock);
chain = init_net.xfrm.policy_byidx + idx_hash(&init_net, id);
chain = net->xfrm.policy_byidx + idx_hash(net, id);
ret = NULL;
hlist_for_each_entry(pol, entry, chain, byidx) {
if (pol->type == type && pol->index == id) {
@ -714,7 +714,7 @@ struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete,
hlist_del(&pol->bydst);
hlist_del(&pol->byidx);
list_del(&pol->walk.all);
init_net.xfrm.policy_count[dir]--;
net->xfrm.policy_count[dir]--;
}
ret = pol;
break;

8
net/xfrm/xfrm_user.c
View file

@ -1330,7 +1330,7 @@ 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, &err);
xp = xfrm_policy_byid(&init_net, type, p->dir, p->index, delete, &err);
else {
struct nlattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_sec_ctx *ctx;
@ -1347,7 +1347,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
return err;
}
xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, ctx,
xp = xfrm_policy_bysel_ctx(&init_net, type, p->dir, &p->sel, ctx,
delete, &err);
security_xfrm_policy_free(ctx);
}
@ -1571,7 +1571,7 @@ 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, &err);
xp = xfrm_policy_byid(&init_net, type, p->dir, p->index, 0, &err);
else {
struct nlattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_sec_ctx *ctx;
@ -1588,7 +1588,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
return err;
}
xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, ctx, 0, &err);
xp = xfrm_policy_bysel_ctx(&init_net, type, p->dir, &p->sel, ctx, 0, &err);
security_xfrm_policy_free(ctx);
}
if (xp == NULL)