TOMOYO: Rename symbols.
Use shorter name in order to make it easier to fit 80 columns limit.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 30e4b08..65c18af 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -248,14 +248,13 @@
}
/**
- * tomoyo_find_or_assign_new_profile - Create a new profile.
+ * tomoyo_assign_profile - Create a new profile.
*
* @profile: Profile number to create.
*
* Returns pointer to "struct tomoyo_profile" on success, NULL otherwise.
*/
-static struct tomoyo_profile *tomoyo_find_or_assign_new_profile
-(const unsigned int profile)
+static struct tomoyo_profile *tomoyo_assign_profile(const unsigned int profile)
{
struct tomoyo_profile *ptr;
struct tomoyo_profile *entry;
@@ -443,7 +442,7 @@
if (*cp != '-')
return -EINVAL;
data = cp + 1;
- profile = tomoyo_find_or_assign_new_profile(i);
+ profile = tomoyo_assign_profile(i);
if (!profile)
return -EINVAL;
}
@@ -584,13 +583,11 @@
goto next;
}
-static bool tomoyo_same_manager_entry(const struct tomoyo_acl_head *a,
- const struct tomoyo_acl_head *b)
+static bool tomoyo_same_manager(const struct tomoyo_acl_head *a,
+ const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_policy_manager_entry, head)
- ->manager ==
- container_of(b, struct tomoyo_policy_manager_entry, head)
- ->manager;
+ return container_of(a, struct tomoyo_manager, head)->manager ==
+ container_of(b, struct tomoyo_manager, head)->manager;
}
/**
@@ -606,7 +603,7 @@
static int tomoyo_update_manager_entry(const char *manager,
const bool is_delete)
{
- struct tomoyo_policy_manager_entry e = { };
+ struct tomoyo_manager e = { };
int error;
if (tomoyo_domain_def(manager)) {
@@ -622,13 +619,13 @@
return -ENOMEM;
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
&tomoyo_policy_list[TOMOYO_ID_MANAGER],
- tomoyo_same_manager_entry);
+ tomoyo_same_manager);
tomoyo_put_name(e.manager);
return error;
}
/**
- * tomoyo_write_manager_policy - Write manager policy.
+ * tomoyo_write_manager - Write manager policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
@@ -636,7 +633,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-static int tomoyo_write_manager_policy(struct tomoyo_io_buffer *head)
+static int tomoyo_write_manager(struct tomoyo_io_buffer *head)
{
char *data = head->write_buf;
bool is_delete = tomoyo_str_starts(&data, TOMOYO_KEYWORD_DELETE);
@@ -649,19 +646,19 @@
}
/**
- * tomoyo_read_manager_policy - Read manager policy.
+ * tomoyo_read_manager - Read manager policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
* Caller holds tomoyo_read_lock().
*/
-static void tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
+static void tomoyo_read_manager(struct tomoyo_io_buffer *head)
{
if (head->r.eof)
return;
list_for_each_cookie(head->r.acl,
&tomoyo_policy_list[TOMOYO_ID_MANAGER]) {
- struct tomoyo_policy_manager_entry *ptr =
+ struct tomoyo_manager *ptr =
list_entry(head->r.acl, typeof(*ptr), head.list);
if (ptr->head.is_deleted)
continue;
@@ -674,16 +671,16 @@
}
/**
- * tomoyo_policy_manager - Check whether the current process is a policy manager.
+ * tomoyo_manager - Check whether the current process is a policy manager.
*
* Returns true if the current process is permitted to modify policy
* via /sys/kernel/security/tomoyo/ interface.
*
* Caller holds tomoyo_read_lock().
*/
-static bool tomoyo_policy_manager(void)
+static bool tomoyo_manager(void)
{
- struct tomoyo_policy_manager_entry *ptr;
+ struct tomoyo_manager *ptr;
const char *exe;
const struct task_struct *task = current;
const struct tomoyo_path_info *domainname = tomoyo_domain()->domainname;
@@ -813,7 +810,7 @@
}
/**
- * tomoyo_write_domain_policy2 - Write domain policy.
+ * tomoyo_write_domain2 - Write domain policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
@@ -821,17 +818,16 @@
*
* Caller holds tomoyo_read_lock().
*/
-static int tomoyo_write_domain_policy2(char *data,
- struct tomoyo_domain_info *domain,
- const bool is_delete)
+static int tomoyo_write_domain2(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete)
{
if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_ALLOW_MOUNT))
- return tomoyo_write_mount_policy(data, domain, is_delete);
- return tomoyo_write_file_policy(data, domain, is_delete);
+ return tomoyo_write_mount(data, domain, is_delete);
+ return tomoyo_write_file(data, domain, is_delete);
}
/**
- * tomoyo_write_domain_policy - Write domain policy.
+ * tomoyo_write_domain - Write domain policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
@@ -839,7 +835,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-static int tomoyo_write_domain_policy(struct tomoyo_io_buffer *head)
+static int tomoyo_write_domain(struct tomoyo_io_buffer *head)
{
char *data = head->write_buf;
struct tomoyo_domain_info *domain = head->write_var1;
@@ -854,7 +850,7 @@
if (is_select && tomoyo_select_one(head, data))
return 0;
/* Don't allow updating policies by non manager programs. */
- if (!tomoyo_policy_manager())
+ if (!tomoyo_manager())
return -EPERM;
if (tomoyo_domain_def(data)) {
domain = NULL;
@@ -863,7 +859,7 @@
else if (is_select)
domain = tomoyo_find_domain(data);
else
- domain = tomoyo_find_or_assign_new_domain(data, 0);
+ domain = tomoyo_assign_domain(data, 0);
head->write_var1 = domain;
return 0;
}
@@ -888,7 +884,7 @@
domain->transition_failed = !is_delete;
return 0;
}
- return tomoyo_write_domain_policy2(data, domain, is_delete);
+ return tomoyo_write_domain2(data, domain, is_delete);
}
/**
@@ -1022,13 +1018,13 @@
}
/**
- * tomoyo_read_domain_policy - Read domain policy.
+ * tomoyo_read_domain - Read domain policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
* Caller holds tomoyo_read_lock().
*/
-static void tomoyo_read_domain_policy(struct tomoyo_io_buffer *head)
+static void tomoyo_read_domain(struct tomoyo_io_buffer *head)
{
if (head->r.eof)
return;
@@ -1208,8 +1204,13 @@
[TOMOYO_TRANSITION_CONTROL_KEEP] = TOMOYO_KEYWORD_KEEP_DOMAIN
};
+static const char *tomoyo_group_name[TOMOYO_MAX_GROUP] = {
+ [TOMOYO_PATH_GROUP] = TOMOYO_KEYWORD_PATH_GROUP,
+ [TOMOYO_NUMBER_GROUP] = TOMOYO_KEYWORD_NUMBER_GROUP
+};
+
/**
- * tomoyo_write_exception_policy - Write exception policy.
+ * tomoyo_write_exception - Write exception policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
@@ -1217,37 +1218,34 @@
*
* Caller holds tomoyo_read_lock().
*/
-static int tomoyo_write_exception_policy(struct tomoyo_io_buffer *head)
+static int tomoyo_write_exception(struct tomoyo_io_buffer *head)
{
char *data = head->write_buf;
bool is_delete = tomoyo_str_starts(&data, TOMOYO_KEYWORD_DELETE);
u8 i;
+ static const struct {
+ const char *keyword;
+ int (*write) (char *, const bool);
+ } tomoyo_callback[4] = {
+ { TOMOYO_KEYWORD_AGGREGATOR, tomoyo_write_aggregator },
+ { TOMOYO_KEYWORD_FILE_PATTERN, tomoyo_write_pattern },
+ { TOMOYO_KEYWORD_DENY_REWRITE, tomoyo_write_no_rewrite },
+ { TOMOYO_KEYWORD_ALLOW_READ, tomoyo_write_globally_readable },
+ };
- for (i = 0; i < TOMOYO_MAX_TRANSITION_TYPE; i++) {
+ 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))
- return tomoyo_write_globally_readable_policy(data, is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_FILE_PATTERN))
- return tomoyo_write_pattern_policy(data, is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_DENY_REWRITE))
- return tomoyo_write_no_rewrite_policy(data, is_delete);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_PATH_GROUP))
- return tomoyo_write_group(data, is_delete, TOMOYO_PATH_GROUP);
- if (tomoyo_str_starts(&data, TOMOYO_KEYWORD_NUMBER_GROUP))
- return tomoyo_write_group(data, is_delete, TOMOYO_NUMBER_GROUP);
+ for (i = 0; i < 4; i++)
+ if (tomoyo_str_starts(&data, tomoyo_callback[i].keyword))
+ return tomoyo_callback[i].write(data, is_delete);
+ for (i = 0; i < TOMOYO_MAX_GROUP; i++)
+ if (tomoyo_str_starts(&data, tomoyo_group_name[i]))
+ return tomoyo_write_group(data, is_delete, i);
return -EINVAL;
}
-static const char *tomoyo_group_name[TOMOYO_MAX_GROUP] = {
- [TOMOYO_PATH_GROUP] = TOMOYO_KEYWORD_PATH_GROUP,
- [TOMOYO_NUMBER_GROUP] = TOMOYO_KEYWORD_NUMBER_GROUP
-};
-
/**
* tomoyo_read_group - Read "struct tomoyo_path_group"/"struct tomoyo_number_group" list.
*
@@ -1331,8 +1329,8 @@
break;
case TOMOYO_ID_GLOBALLY_READABLE:
{
- struct tomoyo_globally_readable_file_entry *ptr
- = container_of(acl, typeof(*ptr), head);
+ struct tomoyo_readable_file *ptr =
+ container_of(acl, typeof(*ptr), head);
tomoyo_set_string(head,
TOMOYO_KEYWORD_ALLOW_READ);
tomoyo_set_string(head, ptr->filename->name);
@@ -1340,7 +1338,7 @@
break;
case TOMOYO_ID_AGGREGATOR:
{
- struct tomoyo_aggregator_entry *ptr =
+ struct tomoyo_aggregator *ptr =
container_of(acl, typeof(*ptr), head);
tomoyo_set_string(head,
TOMOYO_KEYWORD_AGGREGATOR);
@@ -1353,7 +1351,7 @@
break;
case TOMOYO_ID_PATTERN:
{
- struct tomoyo_pattern_entry *ptr =
+ struct tomoyo_no_pattern *ptr =
container_of(acl, typeof(*ptr), head);
tomoyo_set_string(head,
TOMOYO_KEYWORD_FILE_PATTERN);
@@ -1362,7 +1360,7 @@
break;
case TOMOYO_ID_NO_REWRITE:
{
- struct tomoyo_no_rewrite_entry *ptr =
+ struct tomoyo_no_rewrite *ptr =
container_of(acl, typeof(*ptr), head);
tomoyo_set_string(head,
TOMOYO_KEYWORD_DENY_REWRITE);
@@ -1379,13 +1377,13 @@
}
/**
- * tomoyo_read_exception_policy - Read exception policy.
+ * tomoyo_read_exception - Read exception policy.
*
* @head: Pointer to "struct tomoyo_io_buffer".
*
* Caller holds tomoyo_read_lock().
*/
-static void tomoyo_read_exception_policy(struct tomoyo_io_buffer *head)
+static void tomoyo_read_exception(struct tomoyo_io_buffer *head)
{
if (head->r.eof)
return;
@@ -1472,7 +1470,7 @@
static DEFINE_SPINLOCK(tomoyo_query_list_lock);
/* Structure for query. */
-struct tomoyo_query_entry {
+struct tomoyo_query {
struct list_head list;
char *query;
int query_len;
@@ -1481,7 +1479,7 @@
int answer;
};
-/* The list for "struct tomoyo_query_entry". */
+/* The list for "struct tomoyo_query". */
static LIST_HEAD(tomoyo_query_list);
/*
@@ -1508,7 +1506,7 @@
int pos;
int len;
static unsigned int tomoyo_serial;
- struct tomoyo_query_entry *tomoyo_query_entry = NULL;
+ struct tomoyo_query *entry = NULL;
bool quota_exceeded = false;
char *header;
switch (r->mode) {
@@ -1526,7 +1524,7 @@
vsnprintf(buffer, len - 1, fmt, args);
va_end(args);
tomoyo_normalize_line(buffer);
- tomoyo_write_domain_policy2(buffer, r->domain, false);
+ tomoyo_write_domain2(buffer, r->domain, false);
kfree(buffer);
/* fall through */
case TOMOYO_CONFIG_PERMISSIVE:
@@ -1542,51 +1540,50 @@
header = tomoyo_init_audit_log(&len, r);
if (!header)
goto out;
- tomoyo_query_entry = kzalloc(sizeof(*tomoyo_query_entry), GFP_NOFS);
- if (!tomoyo_query_entry)
+ entry = kzalloc(sizeof(*entry), GFP_NOFS);
+ if (!entry)
goto out;
- tomoyo_query_entry->query = kzalloc(len, GFP_NOFS);
- if (!tomoyo_query_entry->query)
+ entry->query = kzalloc(len, GFP_NOFS);
+ if (!entry->query)
goto out;
- len = ksize(tomoyo_query_entry->query);
- INIT_LIST_HEAD(&tomoyo_query_entry->list);
+ len = ksize(entry->query);
spin_lock(&tomoyo_query_list_lock);
if (tomoyo_quota_for_query && tomoyo_query_memory_size + len +
- sizeof(*tomoyo_query_entry) >= tomoyo_quota_for_query) {
+ sizeof(*entry) >= tomoyo_quota_for_query) {
quota_exceeded = true;
} else {
- tomoyo_query_memory_size += len + sizeof(*tomoyo_query_entry);
- tomoyo_query_entry->serial = tomoyo_serial++;
+ tomoyo_query_memory_size += len + sizeof(*entry);
+ entry->serial = tomoyo_serial++;
}
spin_unlock(&tomoyo_query_list_lock);
if (quota_exceeded)
goto out;
- pos = snprintf(tomoyo_query_entry->query, len - 1, "Q%u-%hu\n%s",
- tomoyo_query_entry->serial, r->retry, header);
+ pos = snprintf(entry->query, len - 1, "Q%u-%hu\n%s",
+ entry->serial, r->retry, header);
kfree(header);
header = NULL;
va_start(args, fmt);
- vsnprintf(tomoyo_query_entry->query + pos, len - 1 - pos, fmt, args);
- tomoyo_query_entry->query_len = strlen(tomoyo_query_entry->query) + 1;
+ vsnprintf(entry->query + pos, len - 1 - pos, fmt, args);
+ entry->query_len = strlen(entry->query) + 1;
va_end(args);
spin_lock(&tomoyo_query_list_lock);
- list_add_tail(&tomoyo_query_entry->list, &tomoyo_query_list);
+ list_add_tail(&entry->list, &tomoyo_query_list);
spin_unlock(&tomoyo_query_list_lock);
/* Give 10 seconds for supervisor's opinion. */
- for (tomoyo_query_entry->timer = 0;
- atomic_read(&tomoyo_query_observers) && tomoyo_query_entry->timer < 100;
- tomoyo_query_entry->timer++) {
+ for (entry->timer = 0;
+ atomic_read(&tomoyo_query_observers) && entry->timer < 100;
+ entry->timer++) {
wake_up(&tomoyo_query_wait);
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ / 10);
- if (tomoyo_query_entry->answer)
+ if (entry->answer)
break;
}
spin_lock(&tomoyo_query_list_lock);
- list_del(&tomoyo_query_entry->list);
- tomoyo_query_memory_size -= len + sizeof(*tomoyo_query_entry);
+ list_del(&entry->list);
+ tomoyo_query_memory_size -= len + sizeof(*entry);
spin_unlock(&tomoyo_query_list_lock);
- switch (tomoyo_query_entry->answer) {
+ switch (entry->answer) {
case 3: /* Asked to retry by administrator. */
error = TOMOYO_RETRY_REQUEST;
r->retry++;
@@ -1603,9 +1600,9 @@
break;
}
out:
- if (tomoyo_query_entry)
- kfree(tomoyo_query_entry->query);
- kfree(tomoyo_query_entry);
+ if (entry)
+ kfree(entry->query);
+ kfree(entry);
kfree(header);
return error;
}
@@ -1628,9 +1625,8 @@
for (i = 0; i < 2; i++) {
spin_lock(&tomoyo_query_list_lock);
list_for_each(tmp, &tomoyo_query_list) {
- struct tomoyo_query_entry *ptr
- = list_entry(tmp, struct tomoyo_query_entry,
- list);
+ struct tomoyo_query *ptr =
+ list_entry(tmp, typeof(*ptr), list);
if (ptr->answer)
continue;
found = true;
@@ -1665,8 +1661,7 @@
}
spin_lock(&tomoyo_query_list_lock);
list_for_each(tmp, &tomoyo_query_list) {
- struct tomoyo_query_entry *ptr =
- list_entry(tmp, typeof(*ptr), list);
+ struct tomoyo_query *ptr = list_entry(tmp, typeof(*ptr), list);
if (ptr->answer)
continue;
if (pos++ != head->r.query_index)
@@ -1685,8 +1680,7 @@
pos = 0;
spin_lock(&tomoyo_query_list_lock);
list_for_each(tmp, &tomoyo_query_list) {
- struct tomoyo_query_entry *ptr =
- list_entry(tmp, typeof(*ptr), list);
+ struct tomoyo_query *ptr = list_entry(tmp, typeof(*ptr), list);
if (ptr->answer)
continue;
if (pos++ != head->r.query_index)
@@ -1724,8 +1718,7 @@
unsigned int answer;
spin_lock(&tomoyo_query_list_lock);
list_for_each(tmp, &tomoyo_query_list) {
- struct tomoyo_query_entry *ptr
- = list_entry(tmp, struct tomoyo_query_entry, list);
+ struct tomoyo_query *ptr = list_entry(tmp, typeof(*ptr), list);
ptr->timer = 0;
}
spin_unlock(&tomoyo_query_list_lock);
@@ -1733,8 +1726,7 @@
return -EINVAL;
spin_lock(&tomoyo_query_list_lock);
list_for_each(tmp, &tomoyo_query_list) {
- struct tomoyo_query_entry *ptr
- = list_entry(tmp, struct tomoyo_query_entry, list);
+ struct tomoyo_query *ptr = list_entry(tmp, typeof(*ptr), list);
if (ptr->serial != serial)
continue;
if (!ptr->answer)
@@ -1801,13 +1793,13 @@
switch (type) {
case TOMOYO_DOMAINPOLICY:
/* /sys/kernel/security/tomoyo/domain_policy */
- head->write = tomoyo_write_domain_policy;
- head->read = tomoyo_read_domain_policy;
+ head->write = tomoyo_write_domain;
+ head->read = tomoyo_read_domain;
break;
case TOMOYO_EXCEPTIONPOLICY:
/* /sys/kernel/security/tomoyo/exception_policy */
- head->write = tomoyo_write_exception_policy;
- head->read = tomoyo_read_exception_policy;
+ head->write = tomoyo_write_exception;
+ head->read = tomoyo_read_exception;
break;
case TOMOYO_SELFDOMAIN:
/* /sys/kernel/security/tomoyo/self_domain */
@@ -1846,8 +1838,8 @@
break;
case TOMOYO_MANAGER:
/* /sys/kernel/security/tomoyo/manager */
- head->write = tomoyo_write_manager_policy;
- head->read = tomoyo_read_manager_policy;
+ head->write = tomoyo_write_manager;
+ head->read = tomoyo_read_manager;
break;
}
if (!(file->f_mode & FMODE_READ)) {
@@ -1906,23 +1898,6 @@
}
/**
- * tomoyo_poll_control - poll() for /sys/kernel/security/tomoyo/ interface.
- *
- * @file: Pointer to "struct file".
- * @wait: Pointer to "poll_table".
- *
- * Waits for read readiness.
- * /sys/kernel/security/tomoyo/query is handled by /usr/sbin/tomoyo-queryd .
- */
-int tomoyo_poll_control(struct file *file, poll_table *wait)
-{
- struct tomoyo_io_buffer *head = file->private_data;
- if (!head->poll)
- return -ENOSYS;
- return head->poll(file, wait);
-}
-
-/**
* tomoyo_read_control - read() for /sys/kernel/security/tomoyo/ interface.
*
* @file: Pointer to "struct file".
@@ -1979,8 +1954,7 @@
return -EFAULT;
/* Don't allow updating policies by non manager programs. */
if (head->write != tomoyo_write_pid &&
- head->write != tomoyo_write_domain_policy &&
- !tomoyo_policy_manager())
+ head->write != tomoyo_write_domain && !tomoyo_manager())
return -EPERM;
if (mutex_lock_interruptible(&head->io_sem))
return -EINTR;
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index ef8fecd..b8b2dac 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -310,10 +310,10 @@
};
/*
- * tomoyo_name_entry is a structure which is used for linking
+ * tomoyo_name is a structure which is used for linking
* "struct tomoyo_path_info" into tomoyo_name_list .
*/
-struct tomoyo_name_entry {
+struct tomoyo_name {
struct list_head list;
atomic_t users;
struct tomoyo_path_info entry;
@@ -572,20 +572,20 @@
};
/*
- * tomoyo_globally_readable_file_entry is a structure which is used for holding
+ * tomoyo_readable_file is a structure which is used for holding
* "allow_read" entries.
* It has following fields.
*
* (1) "head" is "struct tomoyo_acl_head".
* (2) "filename" is a pathname which is allowed to open(O_RDONLY).
*/
-struct tomoyo_globally_readable_file_entry {
+struct tomoyo_readable_file {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *filename;
};
/*
- * tomoyo_pattern_entry is a structure which is used for holding
+ * tomoyo_no_pattern is a structure which is used for holding
* "file_pattern" entries.
* It has following fields.
*
@@ -593,13 +593,13 @@
* (2) "pattern" is a pathname pattern which is used for converting pathnames
* to pathname patterns during learning mode.
*/
-struct tomoyo_pattern_entry {
+struct tomoyo_no_pattern {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
};
/*
- * tomoyo_no_rewrite_entry is a structure which is used for holding
+ * tomoyo_no_rewrite is a structure which is used for holding
* "deny_rewrite" entries.
* It has following fields.
*
@@ -607,7 +607,7 @@
* (2) "pattern" is a pathname which is by default not permitted to modify
* already existing content.
*/
-struct tomoyo_no_rewrite_entry {
+struct tomoyo_no_rewrite {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
};
@@ -636,7 +636,7 @@
};
/*
- * tomoyo_aggregator_entry is a structure which is used for holding
+ * tomoyo_aggregator is a structure which is used for holding
* "aggregator" entries.
* It has following fields.
*
@@ -644,14 +644,14 @@
* (2) "original_name" which is originally requested name.
* (3) "aggregated_name" which is name to rewrite.
*/
-struct tomoyo_aggregator_entry {
+struct tomoyo_aggregator {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *original_name;
const struct tomoyo_path_info *aggregated_name;
};
/*
- * tomoyo_policy_manager_entry is a structure which is used for holding list of
+ * tomoyo_manager is a structure which is used for holding list of
* domainnames or programs which are permitted to modify configuration via
* /sys/kernel/security/tomoyo/ interface.
* It has following fields.
@@ -661,7 +661,7 @@
* otherwise.
* (3) "manager" is a domainname or a program's pathname.
*/
-struct tomoyo_policy_manager_entry {
+struct tomoyo_manager {
struct tomoyo_acl_head head;
bool is_domain; /* True if manager is a domainname. */
/* A path to program or a domainname. */
@@ -749,8 +749,6 @@
bool tomoyo_tokenize(char *buffer, char *w[], size_t size);
/* Write domain policy violation warning message to console? */
bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain);
-/* Get the last component of the given domainname. */
-const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain);
/* Fill "struct tomoyo_request_info". */
int tomoyo_init_request_info(struct tomoyo_request_info *r,
struct tomoyo_domain_info *domain,
@@ -759,7 +757,7 @@
int tomoyo_mount_permission(char *dev_name, struct path *path, char *type,
unsigned long flags, void *data_page);
/* Create "aggregator" entry in exception policy. */
-int tomoyo_write_aggregator_policy(char *data, const bool is_delete);
+int tomoyo_write_aggregator(char *data, const bool is_delete);
int tomoyo_write_transition_control(char *data, const bool is_delete,
const u8 type);
/*
@@ -769,17 +767,17 @@
* "allow_truncate", "allow_symlink", "allow_rewrite", "allow_rename" and
* "allow_link" entry in domain policy.
*/
-int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete);
+int tomoyo_write_file(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete);
/* Create "allow_read" entry in exception policy. */
-int tomoyo_write_globally_readable_policy(char *data, const bool is_delete);
+int tomoyo_write_globally_readable(char *data, const bool is_delete);
/* Create "allow_mount" entry in domain policy. */
-int tomoyo_write_mount_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete);
+int tomoyo_write_mount(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete);
/* Create "deny_rewrite" entry in exception policy. */
-int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete);
+int tomoyo_write_no_rewrite(char *data, const bool is_delete);
/* Create "file_pattern" entry in exception policy. */
-int tomoyo_write_pattern_policy(char *data, const bool is_delete);
+int tomoyo_write_pattern(char *data, const bool is_delete);
/* Create "path_group"/"number_group" entry in exception policy. */
int tomoyo_write_group(char *data, const bool is_delete, const u8 type);
int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
@@ -787,9 +785,8 @@
/* Find a domain by the given name. */
struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
/* Find or create a domain by the given name. */
-struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
- domainname,
- const u8 profile);
+struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
+ const u8 profile);
struct tomoyo_profile *tomoyo_profile(const u8 profile);
/*
* Allocate memory for "struct tomoyo_path_group"/"struct tomoyo_number_group".
@@ -820,7 +817,7 @@
*/
char *tomoyo_realpath_from_path(struct path *path);
/* Get patterned pathname. */
-const char *tomoyo_file_pattern(const struct tomoyo_path_info *filename);
+const char *tomoyo_pattern(const struct tomoyo_path_info *filename);
/* Check memory quota. */
bool tomoyo_memory_ok(void *ptr);
@@ -882,7 +879,6 @@
void tomoyo_check_acl(struct tomoyo_request_info *r,
bool (*check_entry) (const struct tomoyo_request_info *,
const struct tomoyo_acl_info *));
-const char *tomoyo_last_word(const char *name);
/********** External variable definitions. **********/
@@ -959,8 +955,8 @@
static inline void tomoyo_put_name(const struct tomoyo_path_info *name)
{
if (name) {
- struct tomoyo_name_entry *ptr =
- container_of(name, struct tomoyo_name_entry, entry);
+ struct tomoyo_name *ptr =
+ container_of(name, typeof(*ptr), entry);
atomic_dec(&ptr->users);
}
}
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index 05450b1..4e0101b 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -134,26 +134,22 @@
struct list_head tomoyo_group_list[TOMOYO_MAX_GROUP];
/**
- * tomoyo_get_last_name - Get last component of a domainname.
+ * tomoyo_last_word - Get last component of a domainname.
*
- * @domain: Pointer to "struct tomoyo_domain_info".
+ * @domainname: Domainname to check.
*
- * Returns the last component of the domainname.
+ * Returns the last word of @domainname.
*/
-const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain)
+static const char *tomoyo_last_word(const char *name)
{
- const char *cp0 = domain->domainname->name;
- const char *cp1 = strrchr(cp0, ' ');
-
- if (cp1)
- return cp1 + 1;
- return cp0;
+ const char *cp = strrchr(name, ' ');
+ if (cp)
+ return cp + 1;
+ return name;
}
-static bool tomoyo_same_transition_control_entry(const struct tomoyo_acl_head *
- a,
- const struct tomoyo_acl_head *
- b)
+static bool tomoyo_same_transition_control(const struct tomoyo_acl_head *a,
+ const struct tomoyo_acl_head *b)
{
const struct tomoyo_transition_control *p1 = container_of(a,
typeof(*p1),
@@ -203,7 +199,7 @@
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
&tomoyo_policy_list
[TOMOYO_ID_TRANSITION_CONTROL],
- tomoyo_same_transition_control_entry);
+ tomoyo_same_transition_control);
out:
tomoyo_put_name(e.domainname);
tomoyo_put_name(e.program);
@@ -292,19 +288,17 @@
return type;
}
-static bool tomoyo_same_aggregator_entry(const struct tomoyo_acl_head *a,
- const struct tomoyo_acl_head *b)
+static bool tomoyo_same_aggregator(const struct tomoyo_acl_head *a,
+ const struct tomoyo_acl_head *b)
{
- const struct tomoyo_aggregator_entry *p1 = container_of(a, typeof(*p1),
- head);
- const struct tomoyo_aggregator_entry *p2 = container_of(b, typeof(*p2),
- head);
+ const struct tomoyo_aggregator *p1 = container_of(a, typeof(*p1), head);
+ const struct tomoyo_aggregator *p2 = container_of(b, typeof(*p2), head);
return p1->original_name == p2->original_name &&
p1->aggregated_name == p2->aggregated_name;
}
/**
- * tomoyo_update_aggregator_entry - Update "struct tomoyo_aggregator_entry" list.
+ * tomoyo_update_aggregator_entry - Update "struct tomoyo_aggregator" list.
*
* @original_name: The original program's name.
* @aggregated_name: The program name to use.
@@ -318,7 +312,7 @@
const char *aggregated_name,
const bool is_delete)
{
- struct tomoyo_aggregator_entry e = { };
+ struct tomoyo_aggregator e = { };
int error = is_delete ? -ENOENT : -ENOMEM;
if (!tomoyo_correct_path(original_name) ||
@@ -331,7 +325,7 @@
goto out;
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
&tomoyo_policy_list[TOMOYO_ID_AGGREGATOR],
- tomoyo_same_aggregator_entry);
+ tomoyo_same_aggregator);
out:
tomoyo_put_name(e.original_name);
tomoyo_put_name(e.aggregated_name);
@@ -339,7 +333,7 @@
}
/**
- * tomoyo_write_aggregator_policy - Write "struct tomoyo_aggregator_entry" list.
+ * tomoyo_write_aggregator - Write "struct tomoyo_aggregator" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
@@ -348,7 +342,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_aggregator_policy(char *data, const bool is_delete)
+int tomoyo_write_aggregator(char *data, const bool is_delete)
{
char *cp = strchr(data, ' ');
@@ -359,7 +353,7 @@
}
/**
- * tomoyo_find_or_assign_new_domain - Create a domain.
+ * tomoyo_assign_domain - Create a domain.
*
* @domainname: The name of domain.
* @profile: Profile number to assign if the domain was newly created.
@@ -368,9 +362,8 @@
*
* Caller holds tomoyo_read_lock().
*/
-struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
- domainname,
- const u8 profile)
+struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
+ const u8 profile)
{
struct tomoyo_domain_info *entry;
struct tomoyo_domain_info *domain = NULL;
@@ -430,10 +423,7 @@
int retval = -ENOMEM;
bool need_kfree = false;
struct tomoyo_path_info rn = { }; /* real name */
- struct tomoyo_path_info ln; /* last name */
- ln.name = tomoyo_get_last_name(old_domain);
- tomoyo_fill_path_info(&ln);
mode = tomoyo_init_request_info(&r, NULL, TOMOYO_MAC_FILE_EXECUTE);
is_enforce = (mode == TOMOYO_CONFIG_ENFORCING);
if (!tmp)
@@ -454,7 +444,7 @@
/* Check 'aggregator' directive. */
{
- struct tomoyo_aggregator_entry *ptr;
+ struct tomoyo_aggregator *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_policy_list
[TOMOYO_ID_AGGREGATOR], head.list) {
if (ptr->head.is_deleted ||
@@ -517,7 +507,7 @@
if (error < 0)
goto done;
}
- domain = tomoyo_find_or_assign_new_domain(tmp, old_domain->profile);
+ domain = tomoyo_assign_domain(tmp, old_domain->profile);
done:
if (domain)
goto out;
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index e7687eb..f7877fa 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -179,7 +179,7 @@
return 0;
tomoyo_warn_log(r, "%s %s", operation, filename->name);
return tomoyo_supervisor(r, "allow_%s %s\n", operation,
- tomoyo_file_pattern(filename));
+ tomoyo_pattern(filename));
}
/**
@@ -199,8 +199,8 @@
tomoyo_warn_log(r, "%s %s %s", operation, filename1->name,
filename2->name);
return tomoyo_supervisor(r, "allow_%s %s %s\n", operation,
- tomoyo_file_pattern(filename1),
- tomoyo_file_pattern(filename2));
+ tomoyo_pattern(filename1),
+ tomoyo_pattern(filename2));
}
/**
@@ -222,8 +222,7 @@
tomoyo_warn_log(r, "%s %s 0%o %u %u", operation, filename->name, mode,
major, minor);
return tomoyo_supervisor(r, "allow_%s %s 0%o %u %u\n", operation,
- tomoyo_file_pattern(filename), mode, major,
- minor);
+ tomoyo_pattern(filename), mode, major, minor);
}
/**
@@ -262,20 +261,20 @@
radix);
tomoyo_warn_log(r, "%s %s %s", operation, filename->name, buffer);
return tomoyo_supervisor(r, "allow_%s %s %s\n", operation,
- tomoyo_file_pattern(filename), buffer);
+ tomoyo_pattern(filename), buffer);
}
static bool tomoyo_same_globally_readable(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_globally_readable_file_entry,
+ return container_of(a, struct tomoyo_readable_file,
head)->filename ==
- container_of(b, struct tomoyo_globally_readable_file_entry,
+ container_of(b, struct tomoyo_readable_file,
head)->filename;
}
/**
- * tomoyo_update_globally_readable_entry - Update "struct tomoyo_globally_readable_file_entry" list.
+ * tomoyo_update_globally_readable_entry - Update "struct tomoyo_readable_file" list.
*
* @filename: Filename unconditionally permitted to open() for reading.
* @is_delete: True if it is a delete request.
@@ -287,7 +286,7 @@
static int tomoyo_update_globally_readable_entry(const char *filename,
const bool is_delete)
{
- struct tomoyo_globally_readable_file_entry e = { };
+ struct tomoyo_readable_file e = { };
int error;
if (!tomoyo_correct_word(filename))
@@ -315,7 +314,7 @@
static bool tomoyo_globally_readable_file(const struct tomoyo_path_info *
filename)
{
- struct tomoyo_globally_readable_file_entry *ptr;
+ struct tomoyo_readable_file *ptr;
bool found = false;
list_for_each_entry_rcu(ptr, &tomoyo_policy_list
@@ -330,7 +329,7 @@
}
/**
- * tomoyo_write_globally_readable_policy - Write "struct tomoyo_globally_readable_file_entry" list.
+ * tomoyo_write_globally_readable - Write "struct tomoyo_readable_file" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
@@ -339,7 +338,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_globally_readable_policy(char *data, const bool is_delete)
+int tomoyo_write_globally_readable(char *data, const bool is_delete)
{
return tomoyo_update_globally_readable_entry(data, is_delete);
}
@@ -347,12 +346,12 @@
static bool tomoyo_same_pattern(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_pattern_entry, head)->pattern ==
- container_of(b, struct tomoyo_pattern_entry, head)->pattern;
+ return container_of(a, struct tomoyo_no_pattern, head)->pattern ==
+ container_of(b, struct tomoyo_no_pattern, head)->pattern;
}
/**
- * tomoyo_update_file_pattern_entry - Update "struct tomoyo_pattern_entry" list.
+ * tomoyo_update_file_pattern_entry - Update "struct tomoyo_no_pattern" list.
*
* @pattern: Pathname pattern.
* @is_delete: True if it is a delete request.
@@ -364,7 +363,7 @@
static int tomoyo_update_file_pattern_entry(const char *pattern,
const bool is_delete)
{
- struct tomoyo_pattern_entry e = { };
+ struct tomoyo_no_pattern e = { };
int error;
if (!tomoyo_correct_word(pattern))
@@ -380,7 +379,7 @@
}
/**
- * tomoyo_file_pattern - Get patterned pathname.
+ * tomoyo_pattern - Get patterned pathname.
*
* @filename: The filename to find patterned pathname.
*
@@ -388,9 +387,9 @@
*
* Caller holds tomoyo_read_lock().
*/
-const char *tomoyo_file_pattern(const struct tomoyo_path_info *filename)
+const char *tomoyo_pattern(const struct tomoyo_path_info *filename)
{
- struct tomoyo_pattern_entry *ptr;
+ struct tomoyo_no_pattern *ptr;
const struct tomoyo_path_info *pattern = NULL;
list_for_each_entry_rcu(ptr, &tomoyo_policy_list[TOMOYO_ID_PATTERN],
@@ -413,7 +412,7 @@
}
/**
- * tomoyo_write_pattern_policy - Write "struct tomoyo_pattern_entry" list.
+ * tomoyo_write_pattern - Write "struct tomoyo_no_pattern" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
@@ -422,7 +421,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_pattern_policy(char *data, const bool is_delete)
+int tomoyo_write_pattern(char *data, const bool is_delete)
{
return tomoyo_update_file_pattern_entry(data, is_delete);
}
@@ -430,13 +429,13 @@
static bool tomoyo_same_no_rewrite(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_no_rewrite_entry, head)->pattern
- == container_of(b, struct tomoyo_no_rewrite_entry, head)
+ return container_of(a, struct tomoyo_no_rewrite, head)->pattern
+ == container_of(b, struct tomoyo_no_rewrite, head)
->pattern;
}
/**
- * tomoyo_update_no_rewrite_entry - Update "struct tomoyo_no_rewrite_entry" list.
+ * tomoyo_update_no_rewrite_entry - Update "struct tomoyo_no_rewrite" list.
*
* @pattern: Pathname pattern that are not rewritable by default.
* @is_delete: True if it is a delete request.
@@ -448,7 +447,7 @@
static int tomoyo_update_no_rewrite_entry(const char *pattern,
const bool is_delete)
{
- struct tomoyo_no_rewrite_entry e = { };
+ struct tomoyo_no_rewrite e = { };
int error;
if (!tomoyo_correct_word(pattern))
@@ -475,7 +474,7 @@
*/
static bool tomoyo_no_rewrite_file(const struct tomoyo_path_info *filename)
{
- struct tomoyo_no_rewrite_entry *ptr;
+ struct tomoyo_no_rewrite *ptr;
bool found = false;
list_for_each_entry_rcu(ptr, &tomoyo_policy_list[TOMOYO_ID_NO_REWRITE],
@@ -491,7 +490,7 @@
}
/**
- * tomoyo_write_no_rewrite_policy - Write "struct tomoyo_no_rewrite_entry" list.
+ * tomoyo_write_no_rewrite - Write "struct tomoyo_no_rewrite" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
@@ -500,7 +499,7 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete)
+int tomoyo_write_no_rewrite(char *data, const bool is_delete)
{
return tomoyo_update_no_rewrite_entry(data, is_delete);
}
@@ -1121,7 +1120,7 @@
}
/**
- * tomoyo_write_file_policy - Update file related list.
+ * tomoyo_write_file - Update file related list.
*
* @data: String to parse.
* @domain: Pointer to "struct tomoyo_domain_info".
@@ -1131,8 +1130,8 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete)
+int tomoyo_write_file(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete)
{
char *w[5];
u8 type;
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index 254ac11..a877e4c 100644
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -11,7 +11,7 @@
#include <linux/kthread.h>
#include <linux/slab.h>
-struct tomoyo_gc_entry {
+struct tomoyo_gc {
struct list_head list;
int type;
struct list_head *element;
@@ -22,7 +22,7 @@
/* Caller holds tomoyo_policy_lock mutex. */
static bool tomoyo_add_to_gc(const int type, struct list_head *element)
{
- struct tomoyo_gc_entry *entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+ struct tomoyo_gc *entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
return false;
entry->type = type;
@@ -34,21 +34,21 @@
static void tomoyo_del_allow_read(struct list_head *element)
{
- struct tomoyo_globally_readable_file_entry *ptr =
+ struct tomoyo_readable_file *ptr =
container_of(element, typeof(*ptr), head.list);
tomoyo_put_name(ptr->filename);
}
static void tomoyo_del_file_pattern(struct list_head *element)
{
- struct tomoyo_pattern_entry *ptr =
+ struct tomoyo_no_pattern *ptr =
container_of(element, typeof(*ptr), head.list);
tomoyo_put_name(ptr->pattern);
}
static void tomoyo_del_no_rewrite(struct list_head *element)
{
- struct tomoyo_no_rewrite_entry *ptr =
+ struct tomoyo_no_rewrite *ptr =
container_of(element, typeof(*ptr), head.list);
tomoyo_put_name(ptr->pattern);
}
@@ -63,7 +63,7 @@
static void tomoyo_del_aggregator(struct list_head *element)
{
- struct tomoyo_aggregator_entry *ptr =
+ struct tomoyo_aggregator *ptr =
container_of(element, typeof(*ptr), head.list);
tomoyo_put_name(ptr->original_name);
tomoyo_put_name(ptr->aggregated_name);
@@ -71,7 +71,7 @@
static void tomoyo_del_manager(struct list_head *element)
{
- struct tomoyo_policy_manager_entry *ptr =
+ struct tomoyo_manager *ptr =
container_of(element, typeof(*ptr), head.list);
tomoyo_put_name(ptr->manager);
}
@@ -168,7 +168,7 @@
static void tomoyo_del_name(struct list_head *element)
{
- const struct tomoyo_name_entry *ptr =
+ const struct tomoyo_name *ptr =
container_of(element, typeof(*ptr), list);
}
@@ -242,7 +242,7 @@
}
}
for (i = 0; i < TOMOYO_MAX_HASH; i++) {
- struct tomoyo_name_entry *ptr;
+ struct tomoyo_name *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_name_list[i], list) {
if (atomic_read(&ptr->users))
continue;
@@ -278,8 +278,8 @@
static void tomoyo_kfree_entry(void)
{
- struct tomoyo_gc_entry *p;
- struct tomoyo_gc_entry *tmp;
+ struct tomoyo_gc *p;
+ struct tomoyo_gc *tmp;
list_for_each_entry_safe(p, tmp, &tomoyo_gc_queue, list) {
struct list_head *element = p->element;
diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c
index a4aba4d..2976126 100644
--- a/security/tomoyo/memory.c
+++ b/security/tomoyo/memory.c
@@ -150,7 +150,7 @@
*/
const struct tomoyo_path_info *tomoyo_get_name(const char *name)
{
- struct tomoyo_name_entry *ptr;
+ struct tomoyo_name *ptr;
unsigned int hash;
int len;
int allocated_len;
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index 7872226..cfeff87 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -55,8 +55,8 @@
flags);
return tomoyo_supervisor(r,
TOMOYO_KEYWORD_ALLOW_MOUNT "%s %s %s 0x%lX\n",
- tomoyo_file_pattern(r->param.mount.dev),
- tomoyo_file_pattern(r->param.mount.dir), type,
+ tomoyo_pattern(r->param.mount.dev),
+ tomoyo_pattern(r->param.mount.dir), type,
flags);
}
@@ -250,7 +250,7 @@
}
/**
- * tomoyo_write_mount_policy - Write "struct tomoyo_mount_acl" list.
+ * tomoyo_write_mount - Write "struct tomoyo_mount_acl" list.
*
* @data: String to parse.
* @domain: Pointer to "struct tomoyo_domain_info".
@@ -260,8 +260,8 @@
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_mount_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete)
+int tomoyo_write_mount(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete)
{
struct tomoyo_mount_acl e = { .head.type = TOMOYO_TYPE_MOUNT_ACL };
int error = is_delete ? -ENOENT : -ENOMEM;
diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c
index 12a768e..150167d 100644
--- a/security/tomoyo/util.c
+++ b/security/tomoyo/util.c
@@ -26,7 +26,7 @@
* The @src is updated to point the first character after the value
* on success.
*/
-u8 tomoyo_parse_ulong(unsigned long *result, char **str)
+static u8 tomoyo_parse_ulong(unsigned long *result, char **str)
{
const char *cp = *str;
char *ep;