TOMOYO: Merge tomoyo_path_group and tomoyo_number_group

"struct tomoyo_path_group" and "struct tomoyo_number_group" are identical.
Rename tomoyo_path_group/tomoyo_number_group to tomoyo_group and
tomoyo_path_group_member to tomoyo_path_group and
tomoyo_number_group_member to tomoyo_unmber_group.

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.h b/security/tomoyo/common.h
index e0c4ae1..9f289e4 100644 (file)
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -291,28 +291,20 @@ struct tomoyo_name_entry {
 
 struct tomoyo_name_union {
        const struct tomoyo_path_info *filename;
-       struct tomoyo_path_group *group;
+       struct tomoyo_group *group;
        u8 is_group;
 };
 
 struct tomoyo_number_union {
        unsigned long values[2];
-       struct tomoyo_number_group *group;
+       struct tomoyo_group *group;
        u8 min_type;
        u8 max_type;
        u8 is_group;
 };
 
-/* Structure for "path_group" directive. */
-struct tomoyo_path_group {
-       struct list_head list;
-       const struct tomoyo_path_info *group_name;
-       struct list_head member_list;
-       atomic_t users;
-};
-
-/* Structure for "number_group" directive. */
-struct tomoyo_number_group {
+/* Structure for "path_group"/"number_group" directive. */
+struct tomoyo_group {
        struct list_head list;
        const struct tomoyo_path_info *group_name;
        struct list_head member_list;
@@ -320,13 +312,13 @@ struct tomoyo_number_group {
 };
 
 /* Structure for "path_group" directive. */
-struct tomoyo_path_group_member {
+struct tomoyo_path_group {
        struct tomoyo_acl_head head;
        const struct tomoyo_path_info *member_name;
 };
 
 /* Structure for "number_group" directive. */
-struct tomoyo_number_group_member {
+struct tomoyo_number_group {
        struct tomoyo_acl_head head;
        struct tomoyo_number_union number;
 };
@@ -766,11 +758,11 @@ bool tomoyo_parse_name_union(const char *filename,
                             struct tomoyo_name_union *ptr);
 /* Check whether the given filename matches the given path_group. */
 bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
-                              const struct tomoyo_path_group *group);
+                              const struct tomoyo_group *group);
 /* Check whether the given value matches the given number_group. */
 bool tomoyo_number_matches_group(const unsigned long min,
                                 const unsigned long max,
-                                const struct tomoyo_number_group *group);
+                                const struct tomoyo_group *group);
 /* Check whether the given filename matches the given pattern. */
 bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
                                 const struct tomoyo_path_info *pattern);
@@ -858,8 +850,8 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
                                                            const u8 profile);
 struct tomoyo_profile *tomoyo_profile(const u8 profile);
 /* Allocate memory for "struct tomoyo_path_group". */
-struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name);
-struct tomoyo_number_group *tomoyo_get_number_group(const char *group_name);
+struct tomoyo_group *tomoyo_get_path_group(const char *group_name);
+struct tomoyo_group *tomoyo_get_number_group(const char *group_name);
 
 /* Check mode for specified functionality. */
 unsigned int tomoyo_check_flags(const struct tomoyo_domain_info *domain,
@@ -1039,13 +1031,7 @@ static inline void tomoyo_put_name(const struct tomoyo_path_info *name)
        }
 }
 
-static inline void tomoyo_put_path_group(struct tomoyo_path_group *group)
-{
-       if (group)
-               atomic_dec(&group->users);
-}
-
-static inline void tomoyo_put_number_group(struct tomoyo_number_group *group)
+static inline void tomoyo_put_group(struct tomoyo_group *group)
 {
        if (group)
                atomic_dec(&group->users);

diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index de87c45..6c2ba69 100644 (file)
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -90,7 +90,7 @@ void tomoyo_put_name_union(struct tomoyo_name_union *ptr)
        if (!ptr)
                return;
        if (ptr->is_group)
-               tomoyo_put_path_group(ptr->group);
+               tomoyo_put_group(ptr->group);
        else
                tomoyo_put_name(ptr->filename);
 }
@@ -106,7 +106,7 @@ bool tomoyo_compare_name_union(const struct tomoyo_path_info *name,
 void tomoyo_put_number_union(struct tomoyo_number_union *ptr)
 {
        if (ptr && ptr->is_group)
-               tomoyo_put_number_group(ptr->group);
+               tomoyo_put_group(ptr->group);
 }
 
 bool tomoyo_compare_number_union(const unsigned long value,

diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index a54bd82..446d59f 100644 (file)
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -12,10 +12,9 @@
 #include <linux/slab.h>
 
 enum tomoyo_policy_id {
+       TOMOYO_ID_GROUP,
        TOMOYO_ID_PATH_GROUP,
-       TOMOYO_ID_PATH_GROUP_MEMBER,
        TOMOYO_ID_NUMBER_GROUP,
-       TOMOYO_ID_NUMBER_GROUP_MEMBER,
        TOMOYO_ID_DOMAIN_INITIALIZER,
        TOMOYO_ID_DOMAIN_KEEPER,
        TOMOYO_ID_AGGREGATOR,
@@ -207,31 +206,24 @@ static void tomoyo_del_name(struct list_head *element)
                container_of(element, typeof(*ptr), list);
 }
 
-static void tomoyo_del_path_group_member(struct list_head *element)
+static void tomoyo_del_path_group(struct list_head *element)
 {
-       struct tomoyo_path_group_member *member =
+       struct tomoyo_path_group *member =
                container_of(element, typeof(*member), head.list);
        tomoyo_put_name(member->member_name);
 }
 
-static void tomoyo_del_path_group(struct list_head *element)
+static void tomoyo_del_group(struct list_head *element)
 {
-       struct tomoyo_path_group *group =
+       struct tomoyo_group *group =
                container_of(element, typeof(*group), list);
        tomoyo_put_name(group->group_name);
 }
 
-static void tomoyo_del_number_group_member(struct list_head *element)
-{
-       struct tomoyo_number_group_member *member =
-               container_of(element, typeof(*member), head.list);
-}
-
 static void tomoyo_del_number_group(struct list_head *element)
 {
-       struct tomoyo_number_group *group =
-               container_of(element, typeof(*group), list);
-       tomoyo_put_name(group->group_name);
+       struct tomoyo_number_group *member =
+               container_of(element, typeof(*member), head.list);
 }
 
 static struct list_head *tomoyo_policy_list[TOMOYO_MAX_POLICY] = {
@@ -305,28 +297,28 @@ static void tomoyo_collect_entry(void)
                }
        }
        {
-               struct tomoyo_path_group *group;
+               struct tomoyo_group *group;
                list_for_each_entry_rcu(group, &tomoyo_path_group_list, list) {
                        tomoyo_collect_member(&group->member_list,
-                                             TOMOYO_ID_PATH_GROUP_MEMBER);
+                                             TOMOYO_ID_PATH_GROUP);
                        if (!list_empty(&group->member_list) ||
                            atomic_read(&group->users))
                                continue;
-                       if (!tomoyo_add_to_gc(TOMOYO_ID_PATH_GROUP,
+                       if (!tomoyo_add_to_gc(TOMOYO_ID_GROUP,
                                              &group->list))
                                goto unlock;
                }
        }
        {
-               struct tomoyo_number_group *group;
+               struct tomoyo_group *group;
                list_for_each_entry_rcu(group, &tomoyo_number_group_list,
                                        list) {
                        tomoyo_collect_member(&group->member_list,
-                                             TOMOYO_ID_NUMBER_GROUP_MEMBER);
+                                             TOMOYO_ID_NUMBER_GROUP);
                        if (!list_empty(&group->member_list) ||
                            atomic_read(&group->users))
                                continue;
-                       if (!tomoyo_add_to_gc(TOMOYO_ID_NUMBER_GROUP,
+                       if (!tomoyo_add_to_gc(TOMOYO_ID_GROUP,
                                              &group->list))
                                goto unlock;
                }
@@ -377,14 +369,11 @@ static void tomoyo_kfree_entry(void)
                        if (!tomoyo_del_domain(element))
                                continue;
                        break;
-               case TOMOYO_ID_PATH_GROUP_MEMBER:
-                       tomoyo_del_path_group_member(element);
-                       break;
                case TOMOYO_ID_PATH_GROUP:
                        tomoyo_del_path_group(element);
                        break;
-               case TOMOYO_ID_NUMBER_GROUP_MEMBER:
-                       tomoyo_del_number_group_member(element);
+               case TOMOYO_ID_GROUP:
+                       tomoyo_del_group(element);
                        break;
                case TOMOYO_ID_NUMBER_GROUP:
                        tomoyo_del_number_group(element);

diff --git a/security/tomoyo/number_group.c b/security/tomoyo/number_group.c
index 8779309..eca20d6 100644 (file)
--- a/security/tomoyo/number_group.c
+++ b/security/tomoyo/number_group.c
@@ -11,17 +11,17 @@
 LIST_HEAD(tomoyo_number_group_list);
 
 /**
- * tomoyo_get_number_group - Allocate memory for "struct tomoyo_number_group".
+ * tomoyo_get_group - Allocate memory for "struct tomoyo_number_group".
  *
  * @group_name: The name of number group.
  *
  * Returns pointer to "struct tomoyo_number_group" on success,
  * NULL otherwise.
  */
-struct tomoyo_number_group *tomoyo_get_number_group(const char *group_name)
+struct tomoyo_group *tomoyo_get_number_group(const char *group_name)
 {
-       struct tomoyo_number_group *entry = NULL;
-       struct tomoyo_number_group *group = NULL;
+       struct tomoyo_group *entry = NULL;
+       struct tomoyo_group *group = NULL;
        const struct tomoyo_path_info *saved_group_name;
        int error = -ENOMEM;
        if (!tomoyo_correct_word(group_name))
@@ -59,12 +59,12 @@ struct tomoyo_number_group *tomoyo_get_number_group(const char *group_name)
 static bool tomoyo_same_number_group(const struct tomoyo_acl_head *a,
                                     const struct tomoyo_acl_head *b)
 {
-       return !memcmp(&container_of(a, struct tomoyo_number_group_member,
+       return !memcmp(&container_of(a, struct tomoyo_number_group,
                                     head)->number,
-                      &container_of(b, struct tomoyo_number_group_member,
+                      &container_of(b, struct tomoyo_number_group,
                                     head)->number,
                       sizeof(container_of(a,
-                                          struct tomoyo_number_group_member,
+                                          struct tomoyo_number_group,
                                           head)->number));
 }
 
@@ -78,8 +78,8 @@ static bool tomoyo_same_number_group(const struct tomoyo_acl_head *a,
  */
 int tomoyo_write_number_group_policy(char *data, const bool is_delete)
 {
-       struct tomoyo_number_group *group;
-       struct tomoyo_number_group_member e = { };
+       struct tomoyo_group *group;
+       struct tomoyo_number_group e = { };
        int error;
        char *w[2];
        if (!tomoyo_tokenize(data, w, sizeof(w)))
@@ -93,7 +93,7 @@ int tomoyo_write_number_group_policy(char *data, const bool is_delete)
        error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
                                     &group->member_list,
                                     tomoyo_same_number_group);
-       tomoyo_put_number_group(group);
+       tomoyo_put_group(group);
        return error;
 }
 
@@ -111,16 +111,16 @@ bool tomoyo_read_number_group_policy(struct tomoyo_io_buffer *head)
        struct list_head *gpos;
        struct list_head *mpos;
        list_for_each_cookie(gpos, head->read_var1, &tomoyo_number_group_list) {
-               struct tomoyo_number_group *group;
+               struct tomoyo_group *group;
                const char *name;
-               group = list_entry(gpos, struct tomoyo_number_group, list);
+               group = list_entry(gpos, struct tomoyo_group, list);
                name = group->group_name->name;
                list_for_each_cookie(mpos, head->read_var2,
                                     &group->member_list) {
                        int pos;
-                       const struct tomoyo_number_group_member *member
+                       const struct tomoyo_number_group *member
                                = list_entry(mpos,
-                                            struct tomoyo_number_group_member,
+                                            struct tomoyo_number_group,
                                             head.list);
                        if (member->head.is_deleted)
                                continue;
@@ -150,9 +150,9 @@ bool tomoyo_read_number_group_policy(struct tomoyo_io_buffer *head)
  */
 bool tomoyo_number_matches_group(const unsigned long min,
                                 const unsigned long max,
-                                const struct tomoyo_number_group *group)
+                                const struct tomoyo_group *group)
 {
-       struct tomoyo_number_group_member *member;
+       struct tomoyo_number_group *member;
        bool matched = false;
        list_for_each_entry_rcu(member, &group->member_list, head.list) {
                if (member->head.is_deleted)

diff --git a/security/tomoyo/path_group.c b/security/tomoyo/path_group.c
index c78c57c..bce2524 100644 (file)
--- a/security/tomoyo/path_group.c
+++ b/security/tomoyo/path_group.c
@@ -10,16 +10,16 @@
 LIST_HEAD(tomoyo_path_group_list);
 
 /**
- * tomoyo_get_path_group - Allocate memory for "struct tomoyo_path_group".
+ * tomoyo_get_group - Allocate memory for "struct tomoyo_path_group".
  *
  * @group_name: The name of pathname group.
  *
  * Returns pointer to "struct tomoyo_path_group" on success, NULL otherwise.
  */
-struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name)
+struct tomoyo_group *tomoyo_get_path_group(const char *group_name)
 {
-       struct tomoyo_path_group *entry = NULL;
-       struct tomoyo_path_group *group = NULL;
+       struct tomoyo_group *entry = NULL;
+       struct tomoyo_group *group = NULL;
        const struct tomoyo_path_info *saved_group_name;
        int error = -ENOMEM;
        if (!tomoyo_correct_word(group_name))
@@ -57,9 +57,9 @@ struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name)
 static bool tomoyo_same_path_group(const struct tomoyo_acl_head *a,
                                   const struct tomoyo_acl_head *b)
 {
-       return container_of(a, struct tomoyo_path_group_member, head)
+       return container_of(a, struct tomoyo_path_group, head)
                ->member_name ==
-               container_of(b, struct tomoyo_path_group_member, head)
+               container_of(b, struct tomoyo_path_group, head)
                ->member_name;
 }
 
@@ -73,8 +73,8 @@ static bool tomoyo_same_path_group(const struct tomoyo_acl_head *a,
  */
 int tomoyo_write_path_group_policy(char *data, const bool is_delete)
 {
-       struct tomoyo_path_group *group;
-       struct tomoyo_path_group_member e = { };
+       struct tomoyo_group *group;
+       struct tomoyo_path_group e = { };
        int error = is_delete ? -ENOENT : -ENOMEM;
        char *w[2];
        if (!tomoyo_tokenize(data, w, sizeof(w)) || !w[1][0])
@@ -90,7 +90,7 @@ int tomoyo_write_path_group_policy(char *data, const bool is_delete)
                                     tomoyo_same_path_group);
  out:
        tomoyo_put_name(e.member_name);
-       tomoyo_put_path_group(group);
+       tomoyo_put_group(group);
        return error;
 }
 
@@ -108,13 +108,13 @@ bool tomoyo_read_path_group_policy(struct tomoyo_io_buffer *head)
        struct list_head *gpos;
        struct list_head *mpos;
        list_for_each_cookie(gpos, head->read_var1, &tomoyo_path_group_list) {
-               struct tomoyo_path_group *group;
-               group = list_entry(gpos, struct tomoyo_path_group, list);
+               struct tomoyo_group *group;
+               group = list_entry(gpos, struct tomoyo_group, list);
                list_for_each_cookie(mpos, head->read_var2,
                                     &group->member_list) {
-                       struct tomoyo_path_group_member *member;
+                       struct tomoyo_path_group *member;
                        member = list_entry(mpos,
-                                           struct tomoyo_path_group_member,
+                                           struct tomoyo_path_group,
                                            head.list);
                        if (member->head.is_deleted)
                                continue;
@@ -139,9 +139,9 @@ bool tomoyo_read_path_group_policy(struct tomoyo_io_buffer *head)
  * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
-                              const struct tomoyo_path_group *group)
+                              const struct tomoyo_group *group)
 {
-       struct tomoyo_path_group_member *member;
+       struct tomoyo_path_group *member;
        bool matched = false;
        list_for_each_entry_rcu(member, &group->member_list, head.list) {
                if (member->head.is_deleted)