aboutsummaryrefslogtreecommitdiffstats
path: root/security/tomoyo/gc.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/tomoyo/gc.c')
-rw-r--r--security/tomoyo/gc.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index 245bf422e3a5..b9cc71b04314 100644
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -12,6 +12,8 @@
12#include <linux/slab.h> 12#include <linux/slab.h>
13 13
14enum tomoyo_gc_id { 14enum tomoyo_gc_id {
15 TOMOYO_ID_PATH_GROUP,
16 TOMOYO_ID_PATH_GROUP_MEMBER,
15 TOMOYO_ID_DOMAIN_INITIALIZER, 17 TOMOYO_ID_DOMAIN_INITIALIZER,
16 TOMOYO_ID_DOMAIN_KEEPER, 18 TOMOYO_ID_DOMAIN_KEEPER,
17 TOMOYO_ID_ALIAS, 19 TOMOYO_ID_ALIAS,
@@ -91,15 +93,15 @@ static void tomoyo_del_acl(struct tomoyo_acl_info *acl)
91 { 93 {
92 struct tomoyo_path_acl *entry 94 struct tomoyo_path_acl *entry
93 = container_of(acl, typeof(*entry), head); 95 = container_of(acl, typeof(*entry), head);
94 tomoyo_put_name(entry->filename); 96 tomoyo_put_name_union(&entry->name);
95 } 97 }
96 break; 98 break;
97 case TOMOYO_TYPE_PATH2_ACL: 99 case TOMOYO_TYPE_PATH2_ACL:
98 { 100 {
99 struct tomoyo_path2_acl *entry 101 struct tomoyo_path2_acl *entry
100 = container_of(acl, typeof(*entry), head); 102 = container_of(acl, typeof(*entry), head);
101 tomoyo_put_name(entry->filename1); 103 tomoyo_put_name_union(&entry->name1);
102 tomoyo_put_name(entry->filename2); 104 tomoyo_put_name_union(&entry->name2);
103 } 105 }
104 break; 106 break;
105 default: 107 default:
@@ -149,6 +151,17 @@ static void tomoyo_del_name(const struct tomoyo_name_entry *ptr)
149{ 151{
150} 152}
151 153
154static void tomoyo_del_path_group_member(struct tomoyo_path_group_member
155 *member)
156{
157 tomoyo_put_name(member->member_name);
158}
159
160static void tomoyo_del_path_group(struct tomoyo_path_group *group)
161{
162 tomoyo_put_name(group->group_name);
163}
164
152static void tomoyo_collect_entry(void) 165static void tomoyo_collect_entry(void)
153{ 166{
154 if (mutex_lock_interruptible(&tomoyo_policy_lock)) 167 if (mutex_lock_interruptible(&tomoyo_policy_lock))
@@ -293,6 +306,29 @@ static void tomoyo_collect_entry(void)
293 } 306 }
294 } 307 }
295 } 308 }
309 {
310 struct tomoyo_path_group *group;
311 list_for_each_entry_rcu(group, &tomoyo_path_group_list, list) {
312 struct tomoyo_path_group_member *member;
313 list_for_each_entry_rcu(member, &group->member_list,
314 list) {
315 if (!member->is_deleted)
316 continue;
317 if (tomoyo_add_to_gc(TOMOYO_ID_PATH_GROUP_MEMBER,
318 member))
319 list_del_rcu(&member->list);
320 else
321 break;
322 }
323 if (!list_empty(&group->member_list) ||
324 atomic_read(&group->users))
325 continue;
326 if (tomoyo_add_to_gc(TOMOYO_ID_PATH_GROUP, group))
327 list_del_rcu(&group->list);
328 else
329 break;
330 }
331 }
296 mutex_unlock(&tomoyo_policy_lock); 332 mutex_unlock(&tomoyo_policy_lock);
297} 333}
298 334
@@ -334,6 +370,12 @@ static void tomoyo_kfree_entry(void)
334 if (!tomoyo_del_domain(p->element)) 370 if (!tomoyo_del_domain(p->element))
335 continue; 371 continue;
336 break; 372 break;
373 case TOMOYO_ID_PATH_GROUP_MEMBER:
374 tomoyo_del_path_group_member(p->element);
375 break;
376 case TOMOYO_ID_PATH_GROUP:
377 tomoyo_del_path_group(p->element);
378 break;
337 default: 379 default:
338 printk(KERN_WARNING "Unknown type\n"); 380 printk(KERN_WARNING "Unknown type\n");
339 break; 381 break;