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-rw-r--r--security/tomoyo/path_group.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/security/tomoyo/path_group.c b/security/tomoyo/path_group.c
deleted file mode 100644
index c988041c8e1c..000000000000
--- a/security/tomoyo/path_group.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * security/tomoyo/path_group.c
- *
- * Copyright (C) 2005-2009 NTT DATA CORPORATION
- */
-
-#include <linux/slab.h>
-#include "common.h"
-/* The list for "struct ccs_path_group". */
-LIST_HEAD(tomoyo_path_group_list);
-
-/**
- * tomoyo_get_path_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_path_group *entry = NULL;
- struct tomoyo_path_group *group = NULL;
- const struct tomoyo_path_info *saved_group_name;
- int error = -ENOMEM;
- if (!tomoyo_is_correct_path(group_name, 0, 0, 0) ||
- !group_name[0])
- return NULL;
- saved_group_name = tomoyo_get_name(group_name);
- if (!saved_group_name)
- return NULL;
- entry = kzalloc(sizeof(*entry), GFP_NOFS);
- if (mutex_lock_interruptible(&tomoyo_policy_lock))
- goto out;
- list_for_each_entry_rcu(group, &tomoyo_path_group_list, list) {
- if (saved_group_name != group->group_name)
- continue;
- atomic_inc(&group->users);
- error = 0;
- break;
- }
- if (error && tomoyo_memory_ok(entry)) {
- INIT_LIST_HEAD(&entry->member_list);
- entry->group_name = saved_group_name;
- saved_group_name = NULL;
- atomic_set(&entry->users, 1);
- list_add_tail_rcu(&entry->list, &tomoyo_path_group_list);
- group = entry;
- entry = NULL;
- error = 0;
- }
- mutex_unlock(&tomoyo_policy_lock);
- out:
- tomoyo_put_name(saved_group_name);
- kfree(entry);
- return !error ? group : NULL;
-}
-
-/**
- * tomoyo_write_path_group_policy - Write "struct tomoyo_path_group" list.
- *
- * @data: String to parse.
- * @is_delete: True if it is a delete request.
- *
- * Returns 0 on success, nagative value otherwise.
- */
-int tomoyo_write_path_group_policy(char *data, const bool is_delete)
-{
- struct tomoyo_path_group *group;
- struct tomoyo_path_group_member *member;
- struct tomoyo_path_group_member e = { };
- int error = is_delete ? -ENOENT : -ENOMEM;
- char *w[2];
- if (!tomoyo_tokenize(data, w, sizeof(w)) || !w[1][0])
- return -EINVAL;
- group = tomoyo_get_path_group(w[0]);
- if (!group)
- return -ENOMEM;
- e.member_name = tomoyo_get_name(w[1]);
- if (!e.member_name)
- goto out;
- if (mutex_lock_interruptible(&tomoyo_policy_lock))
- goto out;
- list_for_each_entry_rcu(member, &group->member_list, list) {
- if (member->member_name != e.member_name)
- continue;
- member->is_deleted = is_delete;
- error = 0;
- break;
- }
- if (!is_delete && error) {
- struct tomoyo_path_group_member *entry =
- tomoyo_commit_ok(&e, sizeof(e));
- if (entry) {
- list_add_tail_rcu(&entry->list, &group->member_list);
- error = 0;
- }
- }
- mutex_unlock(&tomoyo_policy_lock);
- out:
- tomoyo_put_name(e.member_name);
- tomoyo_put_path_group(group);
- return error;
-}
-
-/**
- * tomoyo_read_path_group_policy - Read "struct tomoyo_path_group" list.
- *
- * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns true on success, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-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);
- list_for_each_cookie(mpos, head->read_var2,
- &group->member_list) {
- struct tomoyo_path_group_member *member;
- member = list_entry(mpos,
- struct tomoyo_path_group_member,
- list);
- if (member->is_deleted)
- continue;
- if (!tomoyo_io_printf(head, TOMOYO_KEYWORD_PATH_GROUP
- "%s %s\n",
- group->group_name->name,
- member->member_name->name))
- return false;
- }
- }
- return true;
-}
-
-/**
- * tomoyo_path_matches_group - Check whether the given pathname matches members of the given pathname group.
- *
- * @pathname: The name of pathname.
- * @group: Pointer to "struct tomoyo_path_group".
- * @may_use_pattern: True if wild card is permitted.
- *
- * Returns true if @pathname matches pathnames in @group, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
- const struct tomoyo_path_group *group,
- const bool may_use_pattern)
-{
- struct tomoyo_path_group_member *member;
- bool matched = false;
- list_for_each_entry_rcu(member, &group->member_list, list) {
- if (member->is_deleted)
- continue;
- if (!member->member_name->is_patterned) {
- if (tomoyo_pathcmp(pathname, member->member_name))
- continue;
- } else if (may_use_pattern) {
- if (!tomoyo_path_matches_pattern(pathname,
- member->member_name))
- continue;
- } else
- continue;
- matched = true;
- break;
- }
- return matched;
-}