本文共 4754 字，大约阅读时间需要 15 分钟。
Start
yantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin # ./zwpactl.sh start
need ssid and psk yantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin # ./zwpactl.sh start zhangshaoyan need ssid and psk yantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin # ./zwpactl.sh start zhangshaoyan beijing12345 Successfully initialized wpa_supplicantyantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin #
Check
yantai:/home/shell.albert # ps aux | grep "wpa"
root 948 0.0 0.0 30836 3772 ? Ss 08:37 0:00 /usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log root 13358 0.0 0.0 10524 1624 pts/3 S+ 15:44 0:00 grep --color=auto wpa yantai:/home/shell.albert # ps aux | grep "wpa" root 948 0.0 0.0 30836 3772 ? Ss 08:37 0:00 /usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log root 13419 0.0 0.0 30836 2168 ? Ss 15:45 0:00 wpa_supplicant -iwlp5s0 -czwpa.conf -P/var/run/zwpa.pid -B root 13429 0.0 0.0 10524 1528 pts/3 S+ 15:45 0:00 grep --color=auto wpa yantai:/home/shell.albert # cat /var/run/zwpa.pid 13419 yantai:/home/shell.albert #Stop
yantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin # ./zwpactl.sh stopyantai:/home/shell.albert/project/build-EAVCapturex86-Desktop_Qt_5_3_GCC_64bit-Debug/bin #
yantai:/home/shell.albert # cat /var/run/zwpa.pid cat: /var/run/zwpa.pid: No such file or directory yantai:/home/shell.albert # ps aux | grep "wpa" root 948 0.0 0.0 30836 3772 ? Ss 08:37 0:00 /usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log root 13455 0.0 0.0 10524 1568 pts/3 S+ 15:45 0:00 grep --color=auto wpa yantai:/home/shell.albert #wpa_supplicant is also need dhcient to get IP from DHCP server.
yantai:/home/shell.albert # dhclient -v wlp5s0 Internet Systems Consortium DHCP Client 4.2.6 Copyright 2004-2014 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/wlp5s0/00:26:c7:24:28:f4 Sending on LPF/wlp5s0/00:26:c7:24:28:f4 Sending on Socket/fallback DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 2 (xid=0x39b72d2e) DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 4 (xid=0x39b72d2e) DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 11 (xid=0x39b72d2e) DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 20 (xid=0x39b72d2e) DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 7 (xid=0x39b72d2e) DHCPDISCOVER on wlp5s0 to 255.255.255.255 port 67 interval 12 (xid=0x39b72d2e) DHCPREQUEST on wlp5s0 to 255.255.255.255 port 67 (xid=0x39b72d2e) DHCPOFFER from 192.168.0.1 DHCPACK from 192.168.0.1 (xid=0x39b72d2e) bound to 192.168.0.148 -- renewal in 2921 seconds. yantai:/home/shell.albert # echo $? 0 yantai:/home/shell.albert #
Come on baby,read the following script carefully! Enjoy it !
#!/bin/bash #this script is used to control wpa_supplicant daemon server. #for EAVCapture iMX6 project. #by zhangshaoyan at May 26,2015. WPABIN=wpa_supplicant WIRELESSNAME=wlp5s0 #wlan0 CONFILE=zwpa.conf PIDFILE=/var/run/zwpa.pid DHCLIENT=dhclient #usage: #zwpactl.sh initial:install driver. #zwpactl.sh start: start wpa_supplicant. #zwpactl.sh stop: stop wpa_supplicant. function usage() { echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" echo "Usage:$0 <commands>." echo "supported commands:" echo "initial: install WiFi driver module." echo "start: start wpa_supplicant daemon server." echo "stop: stop wpa_supplicant." echo "by 13522296239" echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" } #generate .conf file. #here is bug exist,do not keep space or Tab before EOF. function generateConfFile() { cat<<EOF >zwpa.conf ctrl_interface=/var/run/wpa_supplicant network={ ssid="$1" psk="$2" } EOF } #at least need 1 parameter. if [ $# -lt 1 ];then usage exit -1 fi if [ $1 = "initial" ];then #insmod wifi driver. #this should be done at the OS starts before GUI starts. insmod rtl8188.ko elif [ $1 = "start" ];then if [ $# -lt 3 ];then echo "ZSY:need ssid and psk" exit -1 fi #dump out a config file. generateConfFile $2 $3 #start the daemon server. ${WPABIN} -i${WIRELESSNAME} -c${CONFILE} -P${PIDFILE} -B if [ $? -eq 0 ];then echo "ZSY:start success" #start dhcp client. ${DHCLIENT} -v ${WIRELESSNAME} if [ $? -ne 0 ];then echo "ZSY:dhclient fails" exit -1 fi else echo "ZSY:start failed!" exit -1 fi elif [ $1 = "stop" ];then if [ -x $PIDFILE ];then kill `cat $PIDFILE` rm -rf $PIDFILE fi else echo "ZSY:Unknown command" exit -1 fi #success here. echo "ZSY:wpa ctrl ends with success" exit 0 #the end of file by zhangshaoyan.
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