*
* Connection Manager
*
- * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
- * Copyright (C) 2012 BMW Car IT GmbH. All rights reserved.
+ * Copyright (C) 2007-2013 Intel Corporation. All rights reserved.
+ * Copyright (C) 2012-2014 BMW Car IT GmbH.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
-#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <sys/errno.h>
#include <sys/socket.h>
#include "connman.h"
};
struct connman_ippool {
- unsigned int refcount;
-
struct address_info *info;
char *gateway;
};
GSList *allocated_blocks;
-GHashTable *pool_hash;
static uint32_t last_block;
static uint32_t block_16_bits;
static uint32_t block_24_bits;
static uint32_t subnet_mask_24;
-struct connman_ippool *
-__connman_ippool_ref_debug(struct connman_ippool *pool,
- const char *file, int line, const char *caller)
-{
- DBG("%p ref %d by %s:%d:%s()", pool, pool->refcount + 1,
- file, line, caller);
-
- __sync_fetch_and_add(&pool->refcount, 1);
-
- return pool;
-}
-
-void __connman_ippool_unref_debug(struct connman_ippool *pool,
- const char *file, int line, const char *caller)
+void __connman_ippool_free(struct connman_ippool *pool)
{
- if (pool == NULL)
+ if (!pool)
return;
- DBG("%p ref %d by %s:%d:%s()", pool, pool->refcount - 1,
- file, line, caller);
+ if (pool->info) {
+ allocated_blocks = g_slist_remove(allocated_blocks, pool->info);
+ g_free(pool->info);
+ }
- if (__sync_fetch_and_sub(&pool->refcount, 1) != 1)
- return;
+ g_free(pool->gateway);
+ g_free(pool->broadcast);
+ g_free(pool->start_ip);
+ g_free(pool->end_ip);
+ g_free(pool->subnet_mask);
- g_hash_table_remove(pool_hash, pool);
+ g_free(pool);
}
static char *get_ip(uint32_t ip)
struct address_info *info;
uint32_t block;
GSList *list;
- connman_bool_t collision;
+ bool collision;
/*
* Instead starting always from the 16 bit block, we start
* To only thing we have to make sure is that we terminated if
* there is no block left.
*/
- if (last_block == 0)
- block = block_16_bits;
+ if (last_block)
+ block = last_block;
else
- block = next_block(last_block);
+ block = block_16_bits;
do {
- collision = FALSE;
- for (list = allocated_blocks; list != NULL; list = list->next) {
+ collision = false;
+ for (list = allocated_blocks; list; list = list->next) {
info = list->data;
if (info->start <= block && block <= info->end) {
- collision = TRUE;
+ collision = true;
break;
}
}
- if (collision == FALSE)
+ if (!collision)
return block;
block = next_block(block);
{
GSList *list;
- for (list = allocated_blocks; list != NULL; list = list->next) {
+ for (list = allocated_blocks; list; list = list->next) {
struct address_info *info = list->data;
if (info->index == index && info->start == start)
return NULL;
}
-static connman_bool_t is_private_address(uint32_t address)
+static bool is_private_address(uint32_t address)
{
- uint32_t val;
-
- if ((address & 0xff000000) == block_24_bits)
- return TRUE;
+ unsigned int a, b;
- if ((address & 0xffff0000) == block_20_bits) {
- val = (address & 0x00ff0000) >> 16;
+ a = (address & 0xff000000) >> 24;
+ b = (address & 0x00ff0000) >> 16;
- if (val < 16 || val > 31)
- return FALSE;
+ if (a == 10 || (a == 192 && b == 168) ||
+ (a == 172 && (b >= 16 && b <= 31)))
+ return true;
- return TRUE;
- }
-
- if ((address & 0xffffff00) == block_16_bits)
- return TRUE;
-
- return FALSE;
+ return false;
}
void __connman_ippool_newaddr(int index, const char *address,
return;
start = ntohl(inp.s_addr);
- if (is_private_address(start) == FALSE)
+ if (!is_private_address(start))
return;
if (prefixlen >= 32)
end = start | ~mask;
info = lookup_info(index, start);
- if (info != NULL)
+ if (info)
goto update;
info = g_try_new0(struct address_info, 1);
- if (info == NULL)
+ if (!info)
return;
info->index = index;
update:
info->use_count = info->use_count + 1;
- if (info->use_count > 1 || info->pool != NULL) {
+ if (info->use_count > 1 || info->pool) {
/*
* We need only to check for the first IP in a block for
* collisions.
return;
}
- for (list = allocated_blocks; list != NULL; list = list->next) {
+ for (list = allocated_blocks; list; list = list->next) {
it = list->data;
if (it == info)
continue;
- if (!(it->start <= info->start || info->start <= it->end))
+ if (!(info->start >= it->start && info->start <= it->end))
continue;
- if (it->pool != NULL && it->pool->collision_cb != NULL)
+ if (it->pool && it->pool->collision_cb)
it->pool->collision_cb(it->pool, it->pool->user_data);
return;
return;
start = ntohl(inp.s_addr);
- if (is_private_address(start) == FALSE)
+ if (!is_private_address(start))
return;
mask = ~(0xffffffff >> prefixlen);
start = start & mask;
info = lookup_info(index, start);
- if (info == NULL) {
+ if (!info) {
/* In theory this should never happen */
connman_error("Inconsistent IP pool management (start not found)");
return;
}
info->use_count = info->use_count - 1;
- if (info->pool != NULL)
+ if (info->pool)
return;
if (info->use_count > 0)
return;
allocated_blocks = g_slist_remove(allocated_blocks, info);
+ g_free(info);
}
struct connman_ippool *__connman_ippool_create(int index,
}
pool = g_try_new0(struct connman_ippool, 1);
- if (pool == NULL)
+ if (!pool)
return NULL;
info = g_try_new0(struct address_info, 1);
- if (info == NULL) {
+ if (!info) {
g_free(pool);
return NULL;
}
info->start = block;
info->end = block + range;
- pool->refcount = 1;
pool->info = info;
pool->collision_cb = collision_cb;
pool->user_data = user_data;
pool->end_ip = get_ip(block + start + range);
allocated_blocks = g_slist_prepend(allocated_blocks, info);
- g_hash_table_insert(pool_hash, pool, pool);
return pool;
}
return pool->subnet_mask;
}
-static void pool_free(gpointer data)
-{
- struct connman_ippool *pool = data;
-
- if (pool->info != NULL) {
- allocated_blocks = g_slist_remove(allocated_blocks, pool->info);
- g_free(pool->info);
- }
-
- g_free(pool->gateway);
- g_free(pool->broadcast);
- g_free(pool->start_ip);
- g_free(pool->end_ip);
- g_free(pool->subnet_mask);
-
- g_free(pool);
-}
-
int __connman_ippool_init(void)
{
DBG("");
block_24_bits = ntohl(inet_addr("10.0.0.0"));
subnet_mask_24 = ntohl(inet_addr("255.255.255.0"));
- pool_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL,
- pool_free);
-
return 0;
}
{
DBG("");
- g_hash_table_destroy(pool_hash);
- pool_hash = NULL;
-
- g_slist_free(allocated_blocks);
+ g_slist_free_full(allocated_blocks, g_free);
last_block = 0;
+ allocated_blocks = NULL;
}
projects / platform / upstream / connman.git / blobdiff