linux wifi自动连接脚本

1、新建 /etc/init.d/S88autowifi 内容如下:

#!/bin/sh
#
# Start the wifi....
#

# Debian ifupdown needs the /run/wifi lock directory
mkdir -p /run/wifi

#自定义变量
interface_dev="wlan0"
wifi_name="xxxxx"
wifi_password="xxxxx"

#加载WIFI驱动
cd /lib/modules/5.10.172/
insmod rtl8188fu.ko
cd ~

#执行wpa_cli前先调用wpa_supplicant不然不成功,不知道为何(wlan0不能替换为变量)
wpa_supplicant -i wlan0 -c/etc/wpa_supplicant.conf & iwconfig wlan0

#连接WIFI

func_connect_wifi()
{
  echo "WIFI设备:$interface_dev"

  #1、查询interface_dev网卡是否存在
  # verifi_dev=`ifconfig|grep -ci "$interface_dev"`
  # if [[ $verifi_dev == 0 ]];then
  # echo "该设备不存在"
  # exit -1
  # fi

  #1、查询interface_dev网卡是否存在
  for i in {1..5}
  do
    verifi_dev=`ifconfig|grep -ci "$interface_dev"`
    if [[ $verifi_dev == 0 ]];then
      verifi_dev=`ifconfig|grep -ci "$interface_dev"`
      echo "设备不存在"
      sleep 2
    else
      echo "设备存在"
      break
    fi
  done

  #2、创建新链接
  wifi_id=`wpa_cli -i $interface_dev add_network`
  echo "准备建立新连接 wifi_id = $wifi_id"

  #3、查找指定热点是否存在
  result=$(wpa_cli -i $interface_dev set_network $wifi_id ssid \"$wifi_name\")
  echo "result = $result"
  if [[ $result != "OK" ]];then
    echo "WIFI热点查找失败"
    wpa_cli -i $interface_dev remove_network $wifi_id
    exit -1
  fi

  #4、验证密码是否正确
  result2=$(wpa_cli -i $interface_dev set_network $wifi_id psk \"$wifi_password\")
  if [[ $result2 != "OK" ]];then
    echo "WIFI密码错误连接失败"
    wpa_cli -i $interface_dev remove_network $wifi_id
    exit -1
  fi

  #5、连接WIFI
  result3=$(wpa_cli -i $interface_dev enable_network $wifi_id)
  echo "result = $result"
  if [[ $result3 != "OK" ]];then
    echo "连接失败"
    wpa_cli -i $interface_dev remove_network $wifi_id
    exit -1
  fi

  result4=$(wpa_cli -i $interface_dev select_network $wifi_id)
  echo "result = $result4"
  if [[ $result3 != "OK" ]];then
    echo "WiFi切换失败"
    exit -1
  fi

  #6、获取IP地址
  echo "WiFi已切换开始自动分配IP"
  resule5=$(udhcpc -b -i $interface_dev -q)
  echo "连接完成"
  exit 0
}

#断开WIFI

func_dele_wifi()
{
  echo "WIFI关闭设备:$interface_dev"

  #1、查询interface_dev网卡是否存在
  verifi_dev=`ifconfig|grep -ci "$interface_dev"`
  if [[ $verifi_dev == 0 ]];then
    echo "该设备不存在"
    exit -1
  fi

  #关闭interface_dev网卡
  #wpa_cli -i $interface_dev list_network
  wpa_cli -i $interface_dev remove_network $interface_dev

  exit 0
}

case "$1" in
  start)
    printf "Starting wifi: "
    func_connect_wifi
    [ $? = 0 ] && echo "OK" || echo "FAIL"
  ;;
  stop)
    printf "Stopping wifi: "
    func_dele_wifi
    [ $? = 0 ] && echo "OK" || echo "FAIL"
  ;;
  restart|reload)
    "$0" stop
    "$0" start
    ;;
  *)
  echo "Usage: $0 {start|stop|restart}"
  exit 1
esac

exit $?

 

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posted @ 2024-07-01 15:09  *^VV^*  阅读(77)  评论(0编辑  收藏  举报