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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2010-06-21 11:14:39 +0900
committerJames Morris <jmorris@namei.org>2010-08-02 15:34:43 +1000
commit5448ec4f5062ef75ce74f8d7784d4cea9c46ad00 (patch)
treec4c742b928c799e03328e345e1d4af738f315afb /security/tomoyo/common.c
parent0617c7ff34dc9b1d641640c3953274bb2dbe21a6 (diff)
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TOMOYO: Use common code for domain transition control.
Use common code for "initialize_domain"/"no_initialize_domain"/"keep_domain"/ "no_keep_domain" keywords. 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/common.c')
-rw-r--r--security/tomoyo/common.c55
1 files changed, 22 insertions, 33 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 0e6b1b598b8..6568ef18112 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1150,6 +1150,15 @@ static void tomoyo_read_pid(struct tomoyo_io_buffer *head)
}
}
+static const char *tomoyo_transition_type[TOMOYO_MAX_TRANSITION_TYPE] = {
+ [TOMOYO_TRANSITION_CONTROL_NO_INITIALIZE]
+ = TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN,
+ [TOMOYO_TRANSITION_CONTROL_INITIALIZE]
+ = TOMOYO_KEYWORD_INITIALIZE_DOMAIN,
+ [TOMOYO_TRANSITION_CONTROL_NO_KEEP] = TOMOYO_KEYWORD_NO_KEEP_DOMAIN,
+ [TOMOYO_TRANSITION_CONTROL_KEEP] = TOMOYO_KEYWORD_KEEP_DOMAIN
+};
+
/**
* tomoyo_write_exception_policy - Write exception policy.
*
@@ -1163,18 +1172,13 @@ static int tomoyo_write_exception_policy(struct tomoyo_io_buffer *head)
{
char *data = head->write_buf;
bool is_delete = tomoyo_str_starts(&data, TOMOYO_KEYWORD_DELETE);
+ u8 i;
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_KEEP_DOMAIN))
- return tomoyo_write_domain_keeper_policy(data, false,
- is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_NO_KEEP_DOMAIN))
- return tomoyo_write_domain_keeper_policy(data, true, is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_INITIALIZE_DOMAIN))
- return tomoyo_write_domain_initializer_policy(data, false,
- is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN))
- return tomoyo_write_domain_initializer_policy(data, true,
- is_delete);
+ for (i = 0; i < TOMOYO_MAX_TRANSITION_TYPE; i++) {
+ if (tomoyo_str_starts(&data, tomoyo_transition_type[i]))
+ return tomoyo_write_transition_control(data, is_delete,
+ i);
+ }
if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_AGGREGATOR))
return tomoyo_write_aggregator_policy(data, is_delete);
if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_ALLOW_READ))
@@ -1296,32 +1300,17 @@ static bool tomoyo_read_policy(struct tomoyo_io_buffer *head, const int idx)
if (acl->is_deleted)
continue;
switch (idx) {
- case TOMOYO_ID_DOMAIN_KEEPER:
+ case TOMOYO_ID_TRANSITION_CONTROL:
{
- struct tomoyo_domain_keeper_entry *ptr =
+ struct tomoyo_transition_control *ptr =
container_of(acl, typeof(*ptr), head);
- w[0] = ptr->is_not ?
- TOMOYO_KEYWORD_NO_KEEP_DOMAIN :
- TOMOYO_KEYWORD_KEEP_DOMAIN;
- if (ptr->program) {
+ w[0] = tomoyo_transition_type[ptr->type];
+ if (ptr->program)
w[1] = ptr->program->name;
- w[2] = " from ";
- }
- w[3] = ptr->domainname->name;
- }
- break;
- case TOMOYO_ID_DOMAIN_INITIALIZER:
- {
- struct tomoyo_domain_initializer_entry *ptr =
- container_of(acl, typeof(*ptr), head);
- w[0] = ptr->is_not ?
- TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN :
- TOMOYO_KEYWORD_INITIALIZE_DOMAIN;
- w[1] = ptr->program->name;
- if (ptr->domainname) {
- w[2] = " from ";
+ if (ptr->domainname)
w[3] = ptr->domainname->name;
- }
+ if (w[1][0] && w[3][0])
+ w[2] = " from ";
}
break;
case TOMOYO_ID_GLOBALLY_READABLE: