update:在resolv.conf文件中增加备用dns
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759c4fd605
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/*
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* Copyright (C) 2022 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <ifaddrs.h>
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#include <wifi_log.h>
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#include <os_net_utils.h>
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#include <os_net_sync_notify.h>
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#include <xrlink_common.h>
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#include <msg_netlink.h>
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#include <xr_proto.h>
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#include <netdb.h>
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#define STA_MSG_CB_NUM 0
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#define AP_MSG_CB_NUM 1
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#define MONITOR_MSG_CB_NUM 2
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uint8_t char2uint8(char* trs)
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{
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uint8_t ret = 0;
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uint8_t tmp_ret[2] = {0};
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int i = 0;
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for(; i < 2; i++) {
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switch (*(trs + i)) {
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case '0' :
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tmp_ret[i] = 0x0;
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break;
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case '1' :
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tmp_ret[i] = 0x1;
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break;
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case '2' :
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tmp_ret[i] = 0x2;
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break;
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case '3' :
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tmp_ret[i] = 0x3;
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break;
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case '4' :
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tmp_ret[i] = 0x4;
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break;
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case '5' :
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tmp_ret[i] = 0x5;
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break;
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case '6' :
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tmp_ret[i] = 0x6;
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break;
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case '7' :
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tmp_ret[i] = 0x7;
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break;
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case '8' :
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tmp_ret[i] = 0x8;
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break;
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case '9' :
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tmp_ret[i] = 0x9;
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break;
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case 'a' :
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case 'A' :
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tmp_ret[i] = 0xa;
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break;
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case 'b' :
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case 'B' :
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tmp_ret[i] = 0xb;
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break;
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case 'c' :
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case 'C' :
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tmp_ret[i] = 0xc;
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break;
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case 'd' :
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case 'D' :
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tmp_ret[i] = 0xd;
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break;
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case 'e' :
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case 'E' :
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tmp_ret[i] = 0xe;
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break;
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case 'f' :
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case 'F' :
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tmp_ret[i] = 0xf;
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break;
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}
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}
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ret = ((tmp_ret[0] << 4) | tmp_ret[1]);
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return ret;
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}
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typedef struct {
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int init_flag;
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uint8_t current_mode_bitmap;
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nlmsg_priv_t *xr_nlmsg;
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snfy_handle_t *dev_snfy_handle;
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xr_wifi_msg_cb_t wifi_msg_cb[3];
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} xrlink_common_object_t;
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static xrlink_common_object_t xrlink_common_object;
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#define U16_F "hu"
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#define DATA_LEN_ALIGNMENT 4
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#define XRNL_MSG_STATE_CK() \
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do { \
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if(NULL == xrlink_common_object.xr_nlmsg) { \
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WMG_ERROR("xrnl msg is not ready\n"); \
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return OS_NET_STATUS_NOT_READY; \
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} \
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} while(0)
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static xr_cfg_payload_t *xr_wifi_cfg_payload_calloc(uint32_t len,uint16_t type,void *param)
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{
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xr_cfg_payload_t *cfg_payload = NULL;
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int tot_len;
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tot_len = CMD_HEAD_LEN + len;
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tot_len +=DATA_LEN_ALIGNMENT - tot_len%DATA_LEN_ALIGNMENT;
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WMG_DEBUG("header len:%d,payload len:%d,tot_len:%d\n",CMD_HEAD_LEN,len,tot_len);
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cfg_payload = (xr_cfg_payload_t *) malloc(tot_len);
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cfg_payload->type = type;
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cfg_payload->len = len;
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if(param)
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memcpy(cfg_payload->param,param,len);
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return cfg_payload;
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}
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static void xr_wifi_cfg_payload_free(xr_cfg_payload_t *cfg_payload)
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{
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if(cfg_payload) {
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free(cfg_payload);
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}
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}
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os_net_status_t xrlink_send_cmd(uint32_t len,cfg_host_op_t type,void *param)
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{
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os_net_status_t status;
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XRNL_MSG_STATE_CK();
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xr_cfg_payload_t *cfg_payload = xr_wifi_cfg_payload_calloc(len, type, param);
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if(!cfg_payload) {
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return OS_NET_STATUS_NOMEM;
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}
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status = nlmsg_send(xrlink_common_object.xr_nlmsg,(char*)cfg_payload,cfg_payload->len + sizeof(xr_cfg_payload_t));
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if(status != OS_NET_STATUS_OK) {
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WMG_ERROR("nlmsg send failed\n");
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}
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xr_wifi_cfg_payload_free(cfg_payload);
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return status;
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}
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static int get_net_ip(const char *if_name, char *ip, int *len, int *vflag)
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{
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struct ifaddrs *ifAddrStruct = NULL, *pifaddr = NULL;
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void *tmpAddrPtr = NULL;
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*vflag = 0;
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getifaddrs(&ifAddrStruct);
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pifaddr = ifAddrStruct;
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while (pifaddr != NULL) {
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if (NULL == pifaddr->ifa_addr) {
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pifaddr=pifaddr->ifa_next;
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continue;
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} else if (pifaddr->ifa_addr->sa_family == AF_INET) { // check it is IP4
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tmpAddrPtr = &((struct sockaddr_in *)pifaddr->ifa_addr)->sin_addr;
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if (strcmp(pifaddr->ifa_name, if_name) == 0) {
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inet_ntop(AF_INET, tmpAddrPtr, ip, INET_ADDRSTRLEN);
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*vflag = 4;
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break;
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}
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} else if (pifaddr->ifa_addr->sa_family == AF_INET6) { // check it is IP6
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// is a valid IP6 Address
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tmpAddrPtr = &((struct sockaddr_in *)pifaddr->ifa_addr)->sin_addr;
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if (strcmp(pifaddr->ifa_name, if_name) == 0) {
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inet_ntop(AF_INET6, tmpAddrPtr, ip, INET6_ADDRSTRLEN);
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*vflag=6;
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break;
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}
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}
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pifaddr=pifaddr->ifa_next;
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}
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if (ifAddrStruct != NULL) {
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freeifaddrs(ifAddrStruct);
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}
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return 0;
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}
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static void xr_wifi_config_ip_address(void *arg)
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{
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char config_ip[64];
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char ip_addr[16];
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char netmask[16];
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char gw[16];
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int len = 0, vflag = 0;
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char ipaddr[INET6_ADDRSTRLEN];
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xr_wifi_sta_ip_info_t *ip_info = (xr_wifi_sta_ip_info_t *)arg;
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sprintf(ip_addr, "%"U16_F".%"U16_F".%"U16_F".%"U16_F"%c",
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(unsigned short)ip_info->ip_addr[0], (unsigned short)ip_info->ip_addr[1],
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(unsigned short)ip_info->ip_addr[2], (unsigned short)ip_info->ip_addr[3], '\0');
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sprintf(netmask, "%"U16_F".%"U16_F".%"U16_F".%"U16_F"%c",
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(unsigned short)ip_info->netmask[0], (unsigned short)ip_info->netmask[1],
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(unsigned short)ip_info->netmask[2], (unsigned short)ip_info->netmask[3], '\0');
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sprintf(gw, "%"U16_F".%"U16_F".%"U16_F".%"U16_F"%c",
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(unsigned short)ip_info->gw[0], (unsigned short)ip_info->gw[1],
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(unsigned short)ip_info->gw[2], (unsigned short)ip_info->gw[3], '\0');
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WMG_DEBUG("ip address:%s\n", ip_addr);
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WMG_DEBUG("netmask:%s\n", netmask);
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WMG_DEBUG("gw:%s\n", gw);
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sprintf(config_ip,"ifconfig wlan0 %s netmask %s%c",
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ip_addr,netmask,'\0');
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WMG_DEBUG("config ip:%s\n", config_ip);
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system(config_ip);
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sprintf(config_ip,"route add default gw %s%c",gw,'\0');
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WMG_DEBUG("config gw:%s\n", config_ip);
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system(config_ip);
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sprintf(config_ip,"echo nameserver %s > /etc/resolv.conf%c",gw,'\0');
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WMG_DEBUG("config dns:%s\n", config_ip);
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system(config_ip);
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sprintf(config_ip,"echo nameserver %s >> /etc/resolv.conf%c","8.8.8.8",'\0');
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WMG_DEBUG("config dns1:%s\n", config_ip);
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system(config_ip);
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}
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static void callback_msg(uint8_t mode_bitmap, char *data, uint32_t len){
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if(mode_bitmap & WIFI_STATION) {
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if(xrlink_common_object.wifi_msg_cb[STA_MSG_CB_NUM] != NULL) {
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xrlink_common_object.wifi_msg_cb[STA_MSG_CB_NUM](data, len);
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}
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}
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if(mode_bitmap & WIFI_AP) {
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if(xrlink_common_object.wifi_msg_cb[AP_MSG_CB_NUM] != NULL) {
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xrlink_common_object.wifi_msg_cb[AP_MSG_CB_NUM](data, len);
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}
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}
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if(mode_bitmap & WIFI_MONITOR) {
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if(xrlink_common_object.wifi_msg_cb[MONITOR_MSG_CB_NUM] != NULL) {
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xrlink_common_object.wifi_msg_cb[MONITOR_MSG_CB_NUM](data, len);
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}
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}
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}
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static void xr_wifi_recv_cb(char *data,uint32_t len)
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{
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xr_cfg_payload_t *payload = (xr_cfg_payload_t*) data;
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xr_wifi_sta_cn_event_t *cn_event;
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xr_wifi_raw_data_t *raw_data;
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xr_wifi_dev_status_t *d_status;
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WMG_DEBUG("dev ind msg type:%d\n", payload->type);
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switch(payload->type) {
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case XR_WIFI_DEV_IND_IP_INFO: //16
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xr_wifi_config_ip_address(payload->param);
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break;
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case XR_WIFI_DEV_MAC://6
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snfy_ready(xrlink_common_object.dev_snfy_handle, data);
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break;
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default:
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callback_msg(xrlink_common_object.current_mode_bitmap, data, len);
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break;
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}
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}
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os_net_status_t xr_wifi_init(xr_wifi_msg_cb_t wifi_msg_cb, wifi_mode_t mode)
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{
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if(!xrlink_common_object.init_flag) {
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xrlink_common_object.xr_nlmsg = nlmsg_init(xr_wifi_recv_cb);
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if(!xrlink_common_object.xr_nlmsg) {
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return OS_NET_STATUS_FAILED;
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}
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xrlink_common_object.dev_snfy_handle = snfy_new();
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if(!(xrlink_common_object.dev_snfy_handle)) {
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nlmsg_deinit(xrlink_common_object.xr_nlmsg);
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return OS_NET_STATUS_FAILED;
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}
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xrlink_common_object.init_flag = 1;
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}
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if(mode & WIFI_STATION) {
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xrlink_common_object.wifi_msg_cb[STA_MSG_CB_NUM] = wifi_msg_cb;
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} else if(mode & WIFI_AP) {
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xrlink_common_object.wifi_msg_cb[AP_MSG_CB_NUM] = wifi_msg_cb;
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} else if(mode & WIFI_MONITOR) {
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xrlink_common_object.wifi_msg_cb[MONITOR_MSG_CB_NUM] = wifi_msg_cb;
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}
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return OS_NET_STATUS_OK;
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}
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os_net_status_t xr_wifi_deinit(void)
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{
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if(xrlink_common_object.init_flag) {
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WMG_DEBUG("[xr_wifi_off] nlmsg_deinit\r\n");
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nlmsg_deinit(xrlink_common_object.xr_nlmsg);
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if(xrlink_common_object.dev_snfy_handle) {
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snfy_free(xrlink_common_object.dev_snfy_handle);
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}
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xrlink_common_object.init_flag = 0;
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xrlink_common_object.wifi_msg_cb[STA_MSG_CB_NUM] = NULL;
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xrlink_common_object.wifi_msg_cb[AP_MSG_CB_NUM] = NULL;
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xrlink_common_object.wifi_msg_cb[MONITOR_MSG_CB_NUM] = NULL;
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}
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return OS_NET_STATUS_OK;
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}
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os_net_status_t xr_wifi_on(wifi_mode_t mode)
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{
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xr_wifi_mode_t xr_mode = XR_WIFI_MODE_UNKNOWN;
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os_net_status_t status;
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if(mode & WIFI_STATION) {
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xr_wifi_mode_t xr_mode = XR_WIFI_STATION;
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} else if (mode & WIFI_AP) {
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xr_wifi_mode_t xr_mode = XR_WIFI_AP;
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} else if (mode & WIFI_MONITOR) {
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xr_wifi_mode_t xr_mode = XR_WIFI_MONITOR;
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}
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status = xrlink_send_cmd(sizeof(xr_wifi_mode_t), XR_WIFI_HOST_ON, &xr_mode);
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if(status == OS_NET_STATUS_OK) {
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xrlink_common_object.current_mode_bitmap |= mode;
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}
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return status;
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}
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os_net_status_t xr_wifi_off(wifi_mode_t mode)
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{
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os_net_status_t status = OS_NET_STATUS_OK;
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xrlink_common_object.current_mode_bitmap &= (~mode);
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if(!xrlink_common_object.current_mode_bitmap) {
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status = xrlink_send_cmd(0, XR_WIFI_HOST_OFF, NULL);
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if(status != OS_NET_STATUS_OK) {
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xrlink_common_object.current_mode_bitmap |= mode;
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}
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}
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return status;
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}
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void *xr_get_dev_event_status(uint16_t type)
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{
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char *data = NULL;
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data = snfy_await(xrlink_common_object.dev_snfy_handle, WAIT_DEV_NORMOL_TO_MS);
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if(data != NULL) {
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xr_cfg_payload_t *payload = (xr_cfg_payload_t*) data;
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if(type == payload->type) {
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return payload->param;
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}
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}
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return NULL;
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}
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static xrlink_common_object_t xrlink_common_object = {
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.init_flag = 0,
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.current_mode_bitmap = 0,
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.xr_nlmsg = NULL,
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.dev_snfy_handle = NULL,
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.wifi_msg_cb = {NULL, NULL, NULL},
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};
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