469 lines
12 KiB
C
469 lines
12 KiB
C
/*
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2018-08-06 tyx the first version
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <wlan_cfg.h>
|
|
|
|
#define DBG_TAG "WLAN.cfg"
|
|
#ifdef RT_WLAN_CFG_DEBUG
|
|
#define DBG_LVL DBG_LOG
|
|
#else
|
|
#define DBG_LVL DBG_INFO
|
|
#endif /* RT_WLAN_CFG_DEBUG */
|
|
#include <rtdbg.h>
|
|
|
|
#ifdef RT_WLAN_CFG_ENABLE
|
|
|
|
#define WLAN_CFG_LOCK() (rt_mutex_take(&cfg_mutex, RT_WAITING_FOREVER))
|
|
#define WLAN_CFG_UNLOCK() (rt_mutex_release(&cfg_mutex))
|
|
|
|
#if RT_WLAN_CFG_INFO_MAX < 1
|
|
#error "The minimum configuration is 1"
|
|
#endif
|
|
|
|
struct cfg_save_info_head
|
|
{
|
|
rt_uint32_t magic;
|
|
rt_uint32_t len;
|
|
rt_uint32_t num;
|
|
rt_uint32_t crc;
|
|
};
|
|
|
|
struct rt_wlan_cfg_des
|
|
{
|
|
rt_uint32_t num;
|
|
struct rt_wlan_cfg_info *cfg_info;
|
|
};
|
|
|
|
static struct rt_wlan_cfg_des *cfg_cache;
|
|
static const struct rt_wlan_cfg_ops *cfg_ops;
|
|
static struct rt_mutex cfg_mutex;
|
|
|
|
/*
|
|
* CRC16_CCITT
|
|
*/
|
|
static rt_uint16_t rt_wlan_cal_crc(rt_uint8_t *buff, int len)
|
|
{
|
|
rt_uint16_t wCRCin = 0x0000;
|
|
rt_uint16_t wCPoly = 0x1021;
|
|
rt_uint8_t wChar = 0;
|
|
|
|
while (len--)
|
|
{
|
|
int i;
|
|
|
|
wChar = *(buff++);
|
|
wCRCin ^= (wChar << 8);
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
if (wCRCin & 0x8000)
|
|
wCRCin = (wCRCin << 1) ^ wCPoly;
|
|
else
|
|
wCRCin = wCRCin << 1;
|
|
}
|
|
}
|
|
return wCRCin;
|
|
}
|
|
|
|
void rt_wlan_cfg_init(void)
|
|
{
|
|
/* init cache memory */
|
|
if (cfg_cache == RT_NULL)
|
|
{
|
|
cfg_cache = rt_malloc(sizeof(struct rt_wlan_cfg_des));
|
|
if (cfg_cache != RT_NULL)
|
|
{
|
|
rt_memset(cfg_cache, 0, sizeof(struct rt_wlan_cfg_des));
|
|
}
|
|
/* init mutex lock */
|
|
rt_mutex_init(&cfg_mutex, "wlan_cfg", RT_IPC_FLAG_FIFO);
|
|
}
|
|
}
|
|
|
|
void rt_wlan_cfg_set_ops(const struct rt_wlan_cfg_ops *ops)
|
|
{
|
|
rt_wlan_cfg_init();
|
|
|
|
WLAN_CFG_LOCK();
|
|
/* save ops pointer */
|
|
cfg_ops = ops;
|
|
WLAN_CFG_UNLOCK();
|
|
}
|
|
|
|
/* save config data */
|
|
rt_err_t rt_wlan_cfg_cache_save(void)
|
|
{
|
|
rt_err_t err = RT_EOK;
|
|
struct cfg_save_info_head *info_pkg;
|
|
int len = 0;
|
|
|
|
if ((cfg_ops == RT_NULL) || (cfg_ops->write_cfg == RT_NULL))
|
|
return RT_EOK;
|
|
|
|
WLAN_CFG_LOCK();
|
|
len = sizeof(struct cfg_save_info_head) + sizeof(struct rt_wlan_cfg_info) * cfg_cache->num;
|
|
info_pkg = rt_malloc(len);
|
|
if (info_pkg == RT_NULL)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ENOMEM;
|
|
}
|
|
info_pkg->magic = RT_WLAN_CFG_MAGIC;
|
|
info_pkg->len = len;
|
|
info_pkg->num = cfg_cache->num;
|
|
/* CRC */
|
|
info_pkg->crc = rt_wlan_cal_crc((rt_uint8_t *)cfg_cache->cfg_info, sizeof(struct rt_wlan_cfg_info) * cfg_cache->num);
|
|
rt_memcpy(((rt_uint8_t *)info_pkg) + sizeof(struct cfg_save_info_head),
|
|
cfg_cache->cfg_info, sizeof(struct rt_wlan_cfg_info) * cfg_cache->num);
|
|
if (cfg_ops->write_cfg(info_pkg, len) != len)
|
|
err = -RT_ERROR;
|
|
rt_free(info_pkg);
|
|
WLAN_CFG_UNLOCK();
|
|
return err;
|
|
}
|
|
|
|
rt_err_t rt_wlan_cfg_cache_refresh(void)
|
|
{
|
|
int len = 0, i, j;
|
|
struct cfg_save_info_head *head;
|
|
void *data;
|
|
struct rt_wlan_cfg_info *t_info, *cfg_info;
|
|
rt_uint32_t crc;
|
|
rt_bool_t equal_flag;
|
|
|
|
/* cache is full! exit */
|
|
if (cfg_cache == RT_NULL || cfg_cache->num >= RT_WLAN_CFG_INFO_MAX)
|
|
return -RT_ERROR;
|
|
|
|
/* check callback */
|
|
if ((cfg_ops == RT_NULL) ||
|
|
(cfg_ops->get_len == RT_NULL) ||
|
|
(cfg_ops->read_cfg == RT_NULL))
|
|
return -RT_ERROR;
|
|
|
|
WLAN_CFG_LOCK();
|
|
/* get data len */
|
|
if ((len = cfg_ops->get_len()) <= 0)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
head = rt_malloc(len);
|
|
if (head == RT_NULL)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ERROR;
|
|
}
|
|
/* get data */
|
|
if (cfg_ops->read_cfg(head, len) != len)
|
|
{
|
|
rt_free(head);
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ERROR;
|
|
}
|
|
/* get config */
|
|
data = ((rt_uint8_t *)head) + sizeof(struct cfg_save_info_head);
|
|
crc = rt_wlan_cal_crc((rt_uint8_t *)data, len - sizeof(struct cfg_save_info_head));
|
|
LOG_D("head->magic:0x%08x RT_WLAN_CFG_MAGIC:0x%08x", head->magic, RT_WLAN_CFG_MAGIC);
|
|
LOG_D("head->len:%d len:%d", head->len, len);
|
|
LOG_D("head->num:%d num:%d", head->num, (len - sizeof(struct cfg_save_info_head)) / sizeof(struct rt_wlan_cfg_info));
|
|
LOG_D("hred->crc:0x%04x crc:0x%04x", head->crc, crc);
|
|
/* check */
|
|
if ((head->magic != RT_WLAN_CFG_MAGIC) ||
|
|
(head->len != len) ||
|
|
(head->num != (len - sizeof(struct cfg_save_info_head)) / sizeof(struct rt_wlan_cfg_info)) ||
|
|
(head->crc != crc))
|
|
{
|
|
rt_free(head);
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
/* remove duplicate config */
|
|
cfg_info = (struct rt_wlan_cfg_info *)data;
|
|
for (i = 0; i < head->num; i++)
|
|
{
|
|
equal_flag = RT_FALSE;
|
|
for (j = 0; j < cfg_cache->num; j++)
|
|
{
|
|
if ((cfg_cache->cfg_info[j].info.ssid.len == cfg_info[i].info.ssid.len) &&
|
|
(rt_memcmp(&cfg_cache->cfg_info[j].info.ssid.val[0], &cfg_info[i].info.ssid.val[0],
|
|
cfg_cache->cfg_info[j].info.ssid.len) == 0) &&
|
|
(rt_memcmp(&cfg_cache->cfg_info[j].info.bssid[0], &cfg_info[i].info.bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0))
|
|
{
|
|
equal_flag = RT_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (cfg_cache->num >= RT_WLAN_CFG_INFO_MAX)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (equal_flag == RT_FALSE)
|
|
{
|
|
t_info = rt_realloc(cfg_cache->cfg_info, sizeof(struct rt_wlan_cfg_info) * (cfg_cache->num + 1));
|
|
if (t_info == RT_NULL)
|
|
{
|
|
rt_free(head);
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ERROR;
|
|
}
|
|
cfg_cache->cfg_info = t_info;
|
|
cfg_cache->cfg_info[cfg_cache->num] = cfg_info[i];
|
|
cfg_cache->num ++;
|
|
}
|
|
}
|
|
|
|
rt_free(head);
|
|
WLAN_CFG_UNLOCK();
|
|
return RT_EOK;
|
|
}
|
|
|
|
int rt_wlan_cfg_get_num(void)
|
|
{
|
|
rt_wlan_cfg_init();
|
|
|
|
return cfg_cache->num;
|
|
}
|
|
|
|
int rt_wlan_cfg_read(struct rt_wlan_cfg_info *cfg_info, int num)
|
|
{
|
|
rt_wlan_cfg_init();
|
|
|
|
if ((cfg_info == RT_NULL) || (num <= 0))
|
|
return 0;
|
|
/* copy data */
|
|
WLAN_CFG_LOCK();
|
|
num = cfg_cache->num > num ? num : cfg_cache->num;
|
|
rt_memcpy(&cfg_cache->cfg_info[0], cfg_info, sizeof(struct rt_wlan_cfg_info) * num);
|
|
WLAN_CFG_UNLOCK();
|
|
|
|
return num;
|
|
}
|
|
|
|
rt_err_t rt_wlan_cfg_save(struct rt_wlan_cfg_info *cfg_info)
|
|
{
|
|
rt_err_t err = RT_EOK;
|
|
struct rt_wlan_cfg_info *t_info;
|
|
int idx = -1, i = 0;
|
|
|
|
rt_wlan_cfg_init();
|
|
|
|
/* parameter check */
|
|
if ((cfg_info == RT_NULL) || (cfg_info->info.ssid.len == 0))
|
|
{
|
|
return -RT_EINVAL;
|
|
}
|
|
/* if (iteam == cache) exit */
|
|
WLAN_CFG_LOCK();
|
|
for (i = 0; i < cfg_cache->num; i++)
|
|
{
|
|
if ((cfg_cache->cfg_info[i].info.ssid.len == cfg_info->info.ssid.len) &&
|
|
(rt_memcmp(&cfg_cache->cfg_info[i].info.ssid.val[0], &cfg_info->info.ssid.val[0],
|
|
cfg_cache->cfg_info[i].info.ssid.len) == 0) &&
|
|
(rt_memcmp(&cfg_cache->cfg_info[i].info.bssid[0], &cfg_info->info.bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0))
|
|
{
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((idx == 0) && (cfg_cache->cfg_info[i].key.len == cfg_info->key.len) &&
|
|
(rt_memcmp(&cfg_cache->cfg_info[i].key.val[0], &cfg_info->key.val[0], cfg_info->key.len) == 0))
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return RT_EOK;
|
|
}
|
|
|
|
/* not find iteam with cache, Add iteam to the head */
|
|
if ((idx == -1) && (cfg_cache->num < RT_WLAN_CFG_INFO_MAX))
|
|
{
|
|
t_info = rt_realloc(cfg_cache->cfg_info, sizeof(struct rt_wlan_cfg_info) * (cfg_cache->num + 1));
|
|
if (t_info == RT_NULL)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -RT_ENOMEM;
|
|
}
|
|
cfg_cache->cfg_info = t_info;
|
|
cfg_cache->num ++;
|
|
}
|
|
|
|
/* move cache info */
|
|
i = (i >= RT_WLAN_CFG_INFO_MAX ? RT_WLAN_CFG_INFO_MAX - 1 : i);
|
|
for (; i; i--)
|
|
{
|
|
cfg_cache->cfg_info[i] = cfg_cache->cfg_info[i - 1];
|
|
}
|
|
/* add iteam to head */
|
|
cfg_cache->cfg_info[i] = *cfg_info;
|
|
WLAN_CFG_UNLOCK();
|
|
|
|
/* save info to flash */
|
|
err = rt_wlan_cfg_cache_save();
|
|
|
|
return err;
|
|
}
|
|
|
|
int rt_wlan_cfg_read_index(struct rt_wlan_cfg_info *cfg_info, int index)
|
|
{
|
|
rt_wlan_cfg_init();
|
|
|
|
if ((cfg_info == RT_NULL) || (index < 0))
|
|
return 0;
|
|
|
|
WLAN_CFG_LOCK();
|
|
if (index >= cfg_cache->num)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return 0;
|
|
}
|
|
/* copy data */
|
|
*cfg_info = cfg_cache->cfg_info[index];
|
|
WLAN_CFG_UNLOCK();
|
|
return 1;
|
|
}
|
|
|
|
int rt_wlan_cfg_delete_index(int index)
|
|
{
|
|
struct rt_wlan_cfg_info *cfg_info;
|
|
int i;
|
|
|
|
rt_wlan_cfg_init();
|
|
|
|
if (index < 0)
|
|
return -1;
|
|
|
|
WLAN_CFG_LOCK();
|
|
if (index >= cfg_cache->num)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -1;
|
|
}
|
|
|
|
/* malloc new mem */
|
|
cfg_info = rt_malloc(sizeof(struct rt_wlan_cfg_info) * (cfg_cache->num - 1));
|
|
if (cfg_info == RT_NULL)
|
|
{
|
|
WLAN_CFG_UNLOCK();
|
|
return -1;
|
|
}
|
|
/* copy data to new mem */
|
|
for (i = 0; i < cfg_cache->num; i++)
|
|
{
|
|
if (i < index)
|
|
{
|
|
cfg_info[i] = cfg_cache->cfg_info[i];
|
|
}
|
|
else if (i > index)
|
|
{
|
|
cfg_info[i - 1] = cfg_cache->cfg_info[i];
|
|
}
|
|
}
|
|
rt_free(cfg_cache->cfg_info);
|
|
cfg_cache->cfg_info = cfg_info;
|
|
cfg_cache->num --;
|
|
WLAN_CFG_UNLOCK();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void rt_wlan_cfg_delete_all(void)
|
|
{
|
|
rt_wlan_cfg_init();
|
|
|
|
/* delete all iteam */
|
|
WLAN_CFG_LOCK();
|
|
cfg_cache->num = 0;
|
|
rt_free(cfg_cache->cfg_info);
|
|
cfg_cache->cfg_info = RT_NULL;
|
|
WLAN_CFG_UNLOCK();
|
|
}
|
|
|
|
void rt_wlan_cfg_dump(void)
|
|
{
|
|
int index = 0;
|
|
struct rt_wlan_info *info;
|
|
struct rt_wlan_key *key;
|
|
char *security;
|
|
|
|
rt_wlan_cfg_init();
|
|
|
|
rt_kprintf(" SSID PASSWORD MAC security chn\n");
|
|
rt_kprintf("------------------------------- ------------------------------- ----------------- -------------- ---\n");
|
|
for (index = 0; index < cfg_cache->num; index ++)
|
|
{
|
|
info = &cfg_cache->cfg_info[index].info;
|
|
key = &cfg_cache->cfg_info[index].key;
|
|
|
|
if (info->ssid.len)
|
|
rt_kprintf("%-32.32s", &info->ssid.val[0]);
|
|
else
|
|
rt_kprintf("%-32.32s", " ");
|
|
|
|
if (key->len)
|
|
rt_kprintf("%-32.32s", &key->val[0]);
|
|
else
|
|
rt_kprintf("%-32.32s", " ");
|
|
|
|
rt_kprintf("%02x:%02x:%02x:%02x:%02x:%02x ",
|
|
info->bssid[0],
|
|
info->bssid[1],
|
|
info->bssid[2],
|
|
info->bssid[3],
|
|
info->bssid[4],
|
|
info->bssid[5]
|
|
);
|
|
switch (info->security)
|
|
{
|
|
case SECURITY_OPEN:
|
|
security = "OPEN";
|
|
break;
|
|
case SECURITY_WEP_PSK:
|
|
security = "WEP_PSK";
|
|
break;
|
|
case SECURITY_WEP_SHARED:
|
|
security = "WEP_SHARED";
|
|
break;
|
|
case SECURITY_WPA_TKIP_PSK:
|
|
security = "WPA_TKIP_PSK";
|
|
break;
|
|
case SECURITY_WPA_AES_PSK:
|
|
security = "WPA_AES_PSK";
|
|
break;
|
|
case SECURITY_WPA2_AES_PSK:
|
|
security = "WPA2_AES_PSK";
|
|
break;
|
|
case SECURITY_WPA2_TKIP_PSK:
|
|
security = "WPA2_TKIP_PSK";
|
|
break;
|
|
case SECURITY_WPA2_MIXED_PSK:
|
|
security = "WPA2_MIXED_PSK";
|
|
break;
|
|
case SECURITY_WPS_OPEN:
|
|
security = "WPS_OPEN";
|
|
break;
|
|
case SECURITY_WPS_SECURE:
|
|
security = "WPS_SECURE";
|
|
break;
|
|
default:
|
|
security = "UNKNOWN";
|
|
break;
|
|
}
|
|
rt_kprintf("%-14.14s ", security);
|
|
rt_kprintf("%3d \n", info->channel);
|
|
}
|
|
}
|
|
|
|
#endif
|