X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=inline;f=security%2Fkeys%2Fkey.c;h=e50d264c9ad136a370c5547880b7394608cb39c5;hb=5cdb35557d022f8dc51b532b5cd1a8e9ed7bcdb7;hp=3762d5b1ce64f130a2248a9519ad9084c93bf4f3;hpb=5593122eec26b061cc0b6fbff32118f1aadf4a27;p=safe%2Fjmp%2Flinux-2.6

diff --git a/security/keys/key.c b/security/keys/key.c
index 3762d5b..e50d264 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -500,6 +500,7 @@ int key_negate_and_link(struct key *key,
 		set_bit(KEY_FLAG_INSTANTIATED, &key->flags);
 		now = current_kernel_time();
 		key->expiry = now.tv_sec + timeout;
+		key_schedule_gc(key->expiry + key_gc_delay);
 
 		if (test_and_clear_bit(KEY_FLAG_USER_CONSTRUCT, &key->flags))
 			awaken = 1;
@@ -888,6 +889,9 @@ EXPORT_SYMBOL(key_update);
  */
 void key_revoke(struct key *key)
 {
+	struct timespec now;
+	time_t time;
+
 	key_check(key);
 
 	/* make sure no one's trying to change or use the key when we mark it
@@ -900,6 +904,14 @@ void key_revoke(struct key *key)
 	    key->type->revoke)
 		key->type->revoke(key);
 
+	/* set the death time to no more than the expiry time */
+	now = current_kernel_time();
+	time = now.tv_sec;
+	if (key->revoked_at == 0 || key->revoked_at > time) {
+		key->revoked_at = time;
+		key_schedule_gc(key->revoked_at + key_gc_delay);
+	}
+
 	up_write(&key->sem);
 
 } /* end key_revoke() */
@@ -956,8 +968,10 @@ void unregister_key_type(struct key_type *ktype)
 	for (_n = rb_first(&key_serial_tree); _n; _n = rb_next(_n)) {
 		key = rb_entry(_n, struct key, serial_node);
 
-		if (key->type == ktype)
+		if (key->type == ktype) {
 			key->type = &key_type_dead;
+			set_bit(KEY_FLAG_DEAD, &key->flags);
+		}
 	}
 
 	spin_unlock(&key_serial_lock);
@@ -982,6 +996,8 @@ void unregister_key_type(struct key_type *ktype)
 	spin_unlock(&key_serial_lock);
 	up_write(&key_types_sem);
 
+	key_schedule_gc(0);
+
 } /* end unregister_key_type() */
 
 EXPORT_SYMBOL(unregister_key_type);