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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2010-06-03 20:38:03 +0900
committerJames Morris <jmorris@namei.org>2010-08-02 15:33:42 +1000
commit1084307ca097745ed6e40a192329b133a49271ac (patch)
treef3b2e81705afb4ca3006ebb931aa0aad426ace02 /security/tomoyo/gc.c
parent3f629636320dfa65804779a3fc333f3147f3b064 (diff)
downloadlinux-1084307ca097745ed6e40a192329b133a49271ac.tar.gz
TOMOYO: Add pathname aggregation support.
This patch allows users to aggregate programs which provide similar functionality (e.g. /usr/bin/vi and /usr/bin/emacs ). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/tomoyo/gc.c')
-rw-r--r--security/tomoyo/gc.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index be2d3b93553..8a31f0c628b 100644
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -18,6 +18,7 @@ enum tomoyo_gc_id {
TOMOYO_ID_NUMBER_GROUP_MEMBER,
TOMOYO_ID_DOMAIN_INITIALIZER,
TOMOYO_ID_DOMAIN_KEEPER,
+ TOMOYO_ID_AGGREGATOR,
TOMOYO_ID_ALIAS,
TOMOYO_ID_GLOBALLY_READABLE,
TOMOYO_ID_PATTERN,
@@ -77,6 +78,12 @@ static void tomoyo_del_domain_keeper(struct tomoyo_domain_keeper_entry *ptr)
tomoyo_put_name(ptr->program);
}
+static void tomoyo_del_aggregator(struct tomoyo_aggregator_entry *ptr)
+{
+ tomoyo_put_name(ptr->original_name);
+ tomoyo_put_name(ptr->aggregated_name);
+}
+
static void tomoyo_del_alias(struct tomoyo_alias_entry *ptr)
{
tomoyo_put_name(ptr->original_name);
@@ -264,6 +271,17 @@ static void tomoyo_collect_entry(void)
}
}
{
+ struct tomoyo_aggregator_entry *ptr;
+ list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list, list) {
+ if (!ptr->is_deleted)
+ continue;
+ if (tomoyo_add_to_gc(TOMOYO_ID_AGGREGATOR, ptr))
+ list_del_rcu(&ptr->list);
+ else
+ break;
+ }
+ }
+ {
struct tomoyo_alias_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
if (!ptr->is_deleted)
@@ -417,6 +435,9 @@ static void tomoyo_kfree_entry(void)
case TOMOYO_ID_DOMAIN_KEEPER:
tomoyo_del_domain_keeper(p->element);
break;
+ case TOMOYO_ID_AGGREGATOR:
+ tomoyo_del_aggregator(p->element);
+ break;
case TOMOYO_ID_ALIAS:
tomoyo_del_alias(p->element);
break;