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Diffstat (limited to 'net/xfrm/xfrm_state.c')
-rw-r--r--net/xfrm/xfrm_state.c52
1 files changed, 31 insertions, 21 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 899de9ed22a..fdb08d9f34a 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/cache.h>
#include <asm/uaccess.h>
+#include <linux/audit.h>
#include "xfrm_hash.h"
@@ -115,7 +116,7 @@ static unsigned long xfrm_hash_new_size(void)
static DEFINE_MUTEX(hash_resize_mutex);
-static void xfrm_hash_resize(void *__unused)
+static void xfrm_hash_resize(struct work_struct *__unused)
{
struct hlist_head *ndst, *nsrc, *nspi, *odst, *osrc, *ospi;
unsigned long nsize, osize;
@@ -168,7 +169,7 @@ out_unlock:
mutex_unlock(&hash_resize_mutex);
}
-static DECLARE_WORK(xfrm_hash_work, xfrm_hash_resize, NULL);
+static DECLARE_WORK(xfrm_hash_work, xfrm_hash_resize);
DECLARE_WAIT_QUEUE_HEAD(km_waitq);
EXPORT_SYMBOL(km_waitq);
@@ -207,7 +208,7 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x)
kfree(x);
}
-static void xfrm_state_gc_task(void *data)
+static void xfrm_state_gc_task(struct work_struct *data)
{
struct xfrm_state *x;
struct hlist_node *entry, *tmp;
@@ -238,6 +239,7 @@ static void xfrm_timer_handler(unsigned long data)
unsigned long now = (unsigned long)xtime.tv_sec;
long next = LONG_MAX;
int warn = 0;
+ int err = 0;
spin_lock(&x->lock);
if (x->km.state == XFRM_STATE_DEAD)
@@ -295,9 +297,14 @@ expired:
next = 2;
goto resched;
}
- if (!__xfrm_state_delete(x) && x->id.spi)
+
+ err = __xfrm_state_delete(x);
+ if (!err && x->id.spi)
km_state_expired(x, 1, 0);
+ xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+ AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
+
out:
spin_unlock(&x->lock);
}
@@ -384,9 +391,10 @@ int xfrm_state_delete(struct xfrm_state *x)
}
EXPORT_SYMBOL(xfrm_state_delete);
-void xfrm_state_flush(u8 proto)
+void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info)
{
int i;
+ int err = 0;
spin_lock_bh(&xfrm_state_lock);
for (i = 0; i <= xfrm_state_hmask; i++) {
@@ -399,7 +407,11 @@ restart:
xfrm_state_hold(x);
spin_unlock_bh(&xfrm_state_lock);
- xfrm_state_delete(x);
+ err = xfrm_state_delete(x);
+ xfrm_audit_log(audit_info->loginuid,
+ audit_info->secid,
+ AUDIT_MAC_IPSEC_DELSA,
+ err ? 0 : 1, NULL, x);
xfrm_state_put(x);
spin_lock_bh(&xfrm_state_lock);
@@ -1099,7 +1111,7 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
void *data)
{
int i;
- struct xfrm_state *x;
+ struct xfrm_state *x, *last = NULL;
struct hlist_node *entry;
int count = 0;
int err = 0;
@@ -1107,24 +1119,22 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
spin_lock_bh(&xfrm_state_lock);
for (i = 0; i <= xfrm_state_hmask; i++) {
hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
- if (xfrm_id_proto_match(x->id.proto, proto))
- count++;
+ if (!xfrm_id_proto_match(x->id.proto, proto))
+ continue;
+ if (last) {
+ err = func(last, count, data);
+ if (err)
+ goto out;
+ }
+ last = x;
+ count++;
}
}
if (count == 0) {
err = -ENOENT;
goto out;
}
-
- for (i = 0; i <= xfrm_state_hmask; i++) {
- hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
- if (!xfrm_id_proto_match(x->id.proto, proto))
- continue;
- err = func(x, --count, data);
- if (err)
- goto out;
- }
- }
+ err = func(last, 0, data);
out:
spin_unlock_bh(&xfrm_state_lock);
return err;
@@ -1304,7 +1314,7 @@ int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol)
}
EXPORT_SYMBOL(km_query);
-int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport)
+int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport)
{
int err = -EINVAL;
struct xfrm_mgr *km;
@@ -1568,6 +1578,6 @@ void __init xfrm_state_init(void)
panic("XFRM: Cannot allocate bydst/bysrc/byspi hashes.");
xfrm_state_hmask = ((sz / sizeof(struct hlist_head)) - 1);
- INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task, NULL);
+ INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task);
}