diff options
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 52 |
1 files changed, 31 insertions, 21 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 899de9ed22a6..fdb08d9f34aa 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); } |