rootpass.sh
#!/bin/bash
#-----------------<jihongrui@outlook.com>-----------------------
# 设置 ROOT 密码为空 and 恢复 ROOT 密码
PTAH="/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin"
export PTAH
File="/etc/shadow"
bakFile="/etc/shadow.bak"
T1=`lsattr ${File} |grep '\-i-'|wc -l`
function root_NO_pass(){
cp -af ${File} ${bakFile}
if [[ -f ${bakFile} ]]
then
sed -i 's#^root.*$#root\:\:16853\:0\:99999\:7\:\:\:#g' ${File}
fi
}
function root_pass(){
if [[ -f ${bakFile} ]]
then
cp -af ${bakFile} ${File}
fi
}
if [[ ${UID} -ne 0 ]]
then
echo "USE USER ROOT"
exit 1
else
if [[ ${T1} -ne 0 ]]
then
chattr -i ${File}
fi
fi
case "$1" in
nopass)
root_NO_pass
;;
pass)
root_pass
;;
*)
echo "$0: Usage: $0 {nopass|pass}"
exit 1
;;
esac
