登錄腳本

#!/bin/bash
invalid_user=yes
invalid_passwd=yes
saved_stty=`stty -g`
echo "You are logging into a sensitive area."
echo -n "Please enter your username:"
read USER
#ssty -echo
echo -n "Please enter your password:"
read PSWORD
#ssty $saved_stty
if [ $USER = "huangqs" ];then
 invalid_user=no
fi
if [ $PSWORD = "123456" ];then
 invalid_passwd=no
fi
if [ "$invalid_user" = "yes" -o "$invalid_passwd" = "yes" ];then
 echo "Usage:`basename $0`:Wrong username or password!"
 exit 1
fi
echo "Good!"

 

 

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