【嵌入式】Linux用户认证壳子

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【嵌入式】Linux用户认证壳子

【嵌入式】Linux 用户认证壳子

#/bin/shtrycount=3
while [ 1 ];
doecho "Please enter $USER key:"read keyecho "Your key is $key!"mshadow=`cat /etc/shadow | grep "^$USER" | awk -F ':' '{print $2}'`if [ "x$mshadow" == "x`echo $key | md5sum | awk '{print $1}'`" ];thenecho "login success!"/bin/shelseecho "password err!"let 'trycount--'if [ $trycount -le 0 ];thenexit -1;fiecho "You can try $trycount times for passwod!"fi
done