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-rw-r--r--security/tomoyo/common.h45
1 files changed, 13 insertions, 32 deletions
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 4fc17294a12d..cfd075c92583 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -686,7 +686,7 @@ struct tomoyo_domain_info {
u8 group; /* Group number to use. */
bool is_deleted; /* Delete flag. */
bool flags[TOMOYO_MAX_DOMAIN_INFO_FLAGS];
- atomic_t users; /* Number of referring credentials. */
+ atomic_t users; /* Number of referring tasks. */
};
/*
@@ -913,6 +913,12 @@ struct tomoyo_policy_namespace {
const char *name;
};
+/* Structure for "struct task_struct"->security. */
+struct tomoyo_task {
+ struct tomoyo_domain_info *domain_info;
+ struct tomoyo_domain_info *old_domain_info;
+};
+
/********** Function prototypes. **********/
bool tomoyo_address_matches_group(const bool is_ipv6, const __be32 *address,
@@ -1021,6 +1027,7 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
struct tomoyo_condition *tomoyo_get_condition(struct tomoyo_acl_param *param);
struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
const bool transit);
+struct tomoyo_domain_info *tomoyo_domain(void);
struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
struct tomoyo_group *tomoyo_get_group(struct tomoyo_acl_param *param,
const u8 idx);
@@ -1200,41 +1207,15 @@ static inline void tomoyo_put_group(struct tomoyo_group *group)
}
/**
- * tomoyo_cred - Get a pointer to the tomoyo cred security blob
- * @cred - the relevant cred
- *
- * Returns pointer to the tomoyo cred blob.
- */
-static inline struct tomoyo_domain_info **tomoyo_cred(const struct cred *cred)
-{
- return cred->security + tomoyo_blob_sizes.lbs_cred;
-}
-
-/**
- * tomoyo_domain - Get "struct tomoyo_domain_info" for current thread.
+ * tomoyo_task - Get "struct tomoyo_task" for specified thread.
*
- * Returns pointer to "struct tomoyo_domain_info" for current thread.
- */
-static inline struct tomoyo_domain_info *tomoyo_domain(void)
-{
- struct tomoyo_domain_info **blob = tomoyo_cred(current_cred());
-
- return *blob;
-}
-
-/**
- * tomoyo_real_domain - Get "struct tomoyo_domain_info" for specified thread.
+ * @task - Pointer to "struct task_struct".
*
- * @task: Pointer to "struct task_struct".
- *
- * Returns pointer to "struct tomoyo_security" for specified thread.
+ * Returns pointer to "struct tomoyo_task" for specified thread.
*/
-static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
- *task)
+static inline struct tomoyo_task *tomoyo_task(struct task_struct *task)
{
- struct tomoyo_domain_info **blob = tomoyo_cred(get_task_cred(task));
-
- return *blob;
+ return task->security + tomoyo_blob_sizes.lbs_task;
}
/**