2023年7月6日发(作者：)

wifi经典的AP与STA两种模式的使⽤及配置下⾯来介绍下wifi的两种经典模式的配置,ap模式和sta模式，加载ko的步骤省略了因为每个⼚家不⼀样。sta模式启动killall wpa_supplicant

killall udhcpcwpa_supplicant -iwlan0 -Dnl80211 -c/data/misc/wpa_ -Bwpa_cli -i wlan0 add_networkwpa_cli -i wlan0 set_network 0 ssid '"test x"'

wpa_cli -i wlan0 set_network 0 key_mgmt WPA-PSKwpa_cli -i wlan0 set_network 0 psk '"12345678"'wpa_cli -i wlan0 enable_network 0udhcpc -iwlan0ap模式启动mkdir -p /var/runmkdir -p /var/lib/misctouch /var/lib/misc/ifconfig wlan0 upifconfig wlan0 192.168.188.29hostapd /data/misc/ &udhcpd -fS /data/misc/ &hostap配置⽂件内容如下interface=wlan0ssid=jz_73456hw_mode=gchannel=11ieee80211n=1driver=nl80211auth_algs=1wpa=1wpa_passphrase=12345678wpa_pairwise=CCMPrsn_pairwise=CCMPsta模式使⽤脚本连接wifi#!/bin/sh################################################################################# Create By czy################################################################################WLAN=${1}SSID="${2}"SECURITY=${3}PASSWORD="${4}"# For RT3070 RT5370 RT5572, please set DRIVER=wextDRIVER=nl80211if [ "$#" != "3" -a "$#" != "4" ]; then SELF=`basename $0` echo "This script support Atheros and Ralink." echo "Usage:" echo " $SELF interface ssid {WEP | WPAPSK | NONE} [password]" echo " interface - network interface, such as wlan0, ra0" echo " interface - network interface, such as wlan0, ra0" echo " ssid - SSID string." echo " {WEP|WPAPSK|NONE} - security mode." echo " password - password when security mode is WEP" echo " or WPAPSK." echo "example:" echo " $SELF wlan0 dlink WEP " echo " $SELF wlan0 dlink WPAPSK password" echo " $SELF wlan0 dlink NONE" echo; exit 0fi################################################################################NORMAL="033[00m"RED="033[31m"################################################################################wpa_supplicant_start (){ echo -e $RED'start wpa_supplicant'$NORMAL MSG0=`busybox ps` MSG=`echo $MSG0 | grep -r "wpa_supplicant -i$WLAN"` if [ ss"$MSG" != ss"" ]; then echo "wpa_supplicant is running" return 0 fi ifconfig $WLAN down test -d /var/run/wpa_supplicant || mkdir /var/run/wpa_supplicant echo 'ctrl_interface=/var/run/wpa_supplicant' > /data/misc/wpa_ wpa_supplicant -i$WLAN -B -D$DRIVER -c/data/misc/wpa_}################################################################################wpa_supplicant_stop (){ echo -e $RED'stop wpa_supplicant.'$NORMAL wpa_cli -i$WLAN terminate}################################################################################run (){ cmd=$1 echo -ne "$cmd - "`eval $cmd`"n"}################################################################################wait_connect (){ return 0 ix=0 TRYTIMES=20 echo -ne "connect " while [ $ix -lt $TRYTIMES ]; do MSG=`wpa_cli -i$WLAN status | grep -r "wpa_state=COMPLETED"` if [ ss"$MSG" = ss"" ]; then sleep 1s ix=$(($ix+1)) echo -ne "." else echo " ok" return 0 fi done echo " timeout" return 1}################################################################################wifi_sta_connect ()wifi_sta_connect (){ REL=1 echo -e $RED'prepare connect wifi ap.'$NORMAL wpa_cli -i$WLAN disable_network all > /dev/null run "wpa_cli -i$WLAN remove_network all" ifconfig $WLAN down ifconfig $WLAN up case "$SECURITY" in "WPAPSK" ) wifi_sta_security_wpa_psk REL=$? ;; "WEP" ) wifi_sta_security_wep REL=$? ;; "NONE" ) wifi_sta_security_none REL=$? ;; * ) echo "Not recognise security mode" echo "SECURITY=$SECURITY" REL=1 ;; esac if [ "$REL" = "1" ]; then #echo -e $RED'connect wifi ap fail.'$NORMAL #wpa_cli -i$WLAN status #wpa_cli -i$WLAN remove_network all >/dev/null 2>&1 #ifconfig $WLAN down return 1 else #echo -e $RED'connect wifi ap success.'$NORMAL #wpa_cli -i$WLAN status return 0 fi}################################################################################# no passwordwifi_sta_security_none (){ NETWORK_ID=`wpa_cli -i$WLAN add_network` run "wpa_cli -i$WLAN set_network $NETWORK_ID ssid '"$SSID"'" run "wpa_cli -i$WLAN set_network $NETWORK_ID key_mgmt NONE" run "wpa_cli -i$WLAN set_network $NETWORK_ID scan_ssid 1" run "wpa_cli -i$WLAN enable_network $NETWORK_ID" wait_connect return $?}################################################################################# wepwifi_sta_security_wep (){ PWD_LEN=`echo "$PASSWORD" | awk '{print length($0)}'` NETWORK_ID=`wpa_cli -i$WLAN add_network` run "wpa_cli -i$WLAN set_network $NETWORK_ID ssid '"$SSID"'" run "wpa_cli -i$WLAN set_network $NETWORK_ID key_mgmt NONE" run "wpa_cli -i$WLAN set_network $NETWORK_ID scan_ssid 1" if [ $PWD_LEN = 5 -o $PWD_LEN = 13 ];then run "wpa_cli -i$WLAN set_network $NETWORK_ID wep_key0 '"$PASSWORD"'" run "wpa_cli -i$WLAN set_network $NETWORK_ID wep_key0 '"$PASSWORD"'" elif [ $PWD_LEN = 10 -o $PWD_LEN = 26 ];then run "wpa_cli -i$WLAN set_network $NETWORK_ID wep_key0 '$PASSWORD'" else echo "Password length is wrong!" fi run "wpa_cli -i$WLAN enable_network $NETWORK_ID" wait_connect return $?}################################################################################# wpa-pskwifi_sta_security_wpa_psk (){ NETWORK_ID=`wpa_cli -i$WLAN add_network` run "wpa_cli -i$WLAN set_network $NETWORK_ID scan_ssid 1" run "wpa_cli -i$WLAN set_network $NETWORK_ID ssid '"$SSID"'" run "wpa_cli -i$WLAN set_network $NETWORK_ID proto 'WPA RSN'" run "wpa_cli -i$WLAN set_network $NETWORK_ID key_mgmt WPA-PSK" run "wpa_cli -i$WLAN set_network $NETWORK_ID pairwise 'CCMP TKIP'" run "wpa_cli -i$WLAN set_network $NETWORK_ID group 'CCMP TKIP'" run "wpa_cli -i$WLAN set_network $NETWORK_ID psk '"$PASSWORD"'" run "wpa_cli -i$WLAN enable_network $NETWORK_ID" wait_connect return $?}################################################################################echo "=========================================================="echo "WLAN =$WLAN"echo "SSID =$SSID"echo "PASSWORD =$PASSWORD"echo "SECURITY =$SECURITY"echo "=========================================================="wpa_supplicant_startwifi_sta_connect