1 files changed, 0 insertions, 201 deletions
diff --git a/ANDROID_3.4.5/security/tomoyo/memory.c b/ANDROID_3.4.5/security/tomoyo/memory.c
deleted file mode 100644
index 0e995716..00000000
--- a/ANDROID_3.4.5/security/tomoyo/memory.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * security/tomoyo/memory.c
- *
- * Copyright (C) 2005-2011  NTT DATA CORPORATION
- */
-
-#include <linux/hash.h>
-#include <linux/slab.h>
-#include "common.h"
-
-/**
- * tomoyo_warn_oom - Print out of memory warning message.
- *
- * @function: Function's name.
- */
-void tomoyo_warn_oom(const char *function)
-{
-	/* Reduce error messages. */
-	static pid_t tomoyo_last_pid;
-	const pid_t pid = current->pid;
-	if (tomoyo_last_pid != pid) {
-		printk(KERN_WARNING "ERROR: Out of memory at %s.\n",
-		       function);
-		tomoyo_last_pid = pid;
-	}
-	if (!tomoyo_policy_loaded)
-		panic("MAC Initialization failed.\n");
-}
-
-/* Memoy currently used by policy/audit log/query. */
-unsigned int tomoyo_memory_used[TOMOYO_MAX_MEMORY_STAT];
-/* Memory quota for "policy"/"audit log"/"query". */
-unsigned int tomoyo_memory_quota[TOMOYO_MAX_MEMORY_STAT];
-
-/**
- * tomoyo_memory_ok - Check memory quota.
- *
- * @ptr: Pointer to allocated memory.
- *
- * Returns true on success, false otherwise.
- *
- * Returns true if @ptr is not NULL and quota not exceeded, false otherwise.
- *
- * Caller holds tomoyo_policy_lock mutex.
- */
-bool tomoyo_memory_ok(void *ptr)
-{
-	if (ptr) {
-		const size_t s = ksize(ptr);
-		tomoyo_memory_used[TOMOYO_MEMORY_POLICY] += s;
-		if (!tomoyo_memory_quota[TOMOYO_MEMORY_POLICY] ||
-		    tomoyo_memory_used[TOMOYO_MEMORY_POLICY] <=
-		    tomoyo_memory_quota[TOMOYO_MEMORY_POLICY])
-			return true;
-		tomoyo_memory_used[TOMOYO_MEMORY_POLICY] -= s;
-	}
-	tomoyo_warn_oom(__func__);
-	return false;
-}
-
-/**
- * tomoyo_commit_ok - Check memory quota.
- *
- * @data:   Data to copy from.
- * @size:   Size in byte.
- *
- * Returns pointer to allocated memory on success, NULL otherwise.
- * @data is zero-cleared on success.
- *
- * Caller holds tomoyo_policy_lock mutex.
- */
-void *tomoyo_commit_ok(void *data, const unsigned int size)
-{
-	void *ptr = kzalloc(size, GFP_NOFS);
-	if (tomoyo_memory_ok(ptr)) {
-		memmove(ptr, data, size);
-		memset(data, 0, size);
-		return ptr;
-	}
-	kfree(ptr);
-	return NULL;
-}
-
-/**
- * tomoyo_get_group - Allocate memory for "struct tomoyo_path_group"/"struct tomoyo_number_group".
- *
- * @param: Pointer to "struct tomoyo_acl_param".
- * @idx:   Index number.
- *
- * Returns pointer to "struct tomoyo_group" on success, NULL otherwise.
- */
-struct tomoyo_group *tomoyo_get_group(struct tomoyo_acl_param *param,
-				      const u8 idx)
-{
-	struct tomoyo_group e = { };
-	struct tomoyo_group *group = NULL;
-	struct list_head *list;
-	const char *group_name = tomoyo_read_token(param);
-	bool found = false;
-	if (!tomoyo_correct_word(group_name) || idx >= TOMOYO_MAX_GROUP)
-		return NULL;
-	e.group_name = tomoyo_get_name(group_name);
-	if (!e.group_name)
-		return NULL;
-	if (mutex_lock_interruptible(&tomoyo_policy_lock))
-		goto out;
-	list = &param->ns->group_list[idx];
-	list_for_each_entry(group, list, head.list) {
-		if (e.group_name != group->group_name ||
-		    atomic_read(&group->head.users) == TOMOYO_GC_IN_PROGRESS)
-			continue;
-		atomic_inc(&group->head.users);
-		found = true;
-		break;
-	}
-	if (!found) {
-		struct tomoyo_group *entry = tomoyo_commit_ok(&e, sizeof(e));
-		if (entry) {
-			INIT_LIST_HEAD(&entry->member_list);
-			atomic_set(&entry->head.users, 1);
-			list_add_tail_rcu(&entry->head.list, list);
-			group = entry;
-			found = true;
-		}
-	}
-	mutex_unlock(&tomoyo_policy_lock);
-out:
-	tomoyo_put_name(e.group_name);
-	return found ? group : NULL;
-}
-
-/*
- * tomoyo_name_list is used for holding string data used by TOMOYO.
- * Since same string data is likely used for multiple times (e.g.
- * "/lib/libc-2.5.so"), TOMOYO shares string data in the form of
- * "const struct tomoyo_path_info *".
- */
-struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
-
-/**
- * tomoyo_get_name - Allocate permanent memory for string data.
- *
- * @name: The string to store into the permernent memory.
- *
- * Returns pointer to "struct tomoyo_path_info" on success, NULL otherwise.
- */
-const struct tomoyo_path_info *tomoyo_get_name(const char *name)
-{
-	struct tomoyo_name *ptr;
-	unsigned int hash;
-	int len;
-	struct list_head *head;
-
-	if (!name)
-		return NULL;
-	len = strlen(name) + 1;
-	hash = full_name_hash((const unsigned char *) name, len - 1);
-	head = &tomoyo_name_list[hash_long(hash, TOMOYO_HASH_BITS)];
-	if (mutex_lock_interruptible(&tomoyo_policy_lock))
-		return NULL;
-	list_for_each_entry(ptr, head, head.list) {
-		if (hash != ptr->entry.hash || strcmp(name, ptr->entry.name) ||
-		    atomic_read(&ptr->head.users) == TOMOYO_GC_IN_PROGRESS)
-			continue;
-		atomic_inc(&ptr->head.users);
-		goto out;
-	}
-	ptr = kzalloc(sizeof(*ptr) + len, GFP_NOFS);
-	if (tomoyo_memory_ok(ptr)) {
-		ptr->entry.name = ((char *) ptr) + sizeof(*ptr);
-		memmove((char *) ptr->entry.name, name, len);
-		atomic_set(&ptr->head.users, 1);
-		tomoyo_fill_path_info(&ptr->entry);
-		list_add_tail(&ptr->head.list, head);
-	} else {
-		kfree(ptr);
-		ptr = NULL;
-	}
-out:
-	mutex_unlock(&tomoyo_policy_lock);
-	return ptr ? &ptr->entry : NULL;
-}
-
-/* Initial namespace.*/
-struct tomoyo_policy_namespace tomoyo_kernel_namespace;
-
-/**
- * tomoyo_mm_init - Initialize mm related code.
- */
-void __init tomoyo_mm_init(void)
-{
-	int idx;
-	for (idx = 0; idx < TOMOYO_MAX_HASH; idx++)
-		INIT_LIST_HEAD(&tomoyo_name_list[idx]);
-	tomoyo_kernel_namespace.name = "<kernel>";
-	tomoyo_init_policy_namespace(&tomoyo_kernel_namespace);
-	tomoyo_kernel_domain.ns = &tomoyo_kernel_namespace;
-	INIT_LIST_HEAD(&tomoyo_kernel_domain.acl_info_list);
-	tomoyo_kernel_domain.domainname = tomoyo_get_name("<kernel>");
-	list_add_tail_rcu(&tomoyo_kernel_domain.list, &tomoyo_domain_list);
-}