自动创建vsftp虚拟用户

#!/bin/bash
###############################
# The:    JiangFeng.Cai
# Form: Baustem
# Date: 2011.7.1
# add nodel 2013.6.3
#
################################


readme ()
{
if [ -f $0 ];then
echo "################################"
echo "# This script to create a linux "
echo "#     virtual users ."
echo "# Format: $0 {UserNanme} {passwd} {up&down&nodel}"
echo "# "
echo "################################"
fi
}
chk ()
{
[ -f $ftpdir/ok ] || touch $ftpdir/ok
cat $ftpdir/ok |grep -q '#vsftpok'
if [ $? -ne 0 ];then
rpm -qa |grep -q vsftp
if [ ! $? -eq 0 ];then
echo "vsftp RPM not install.";
exit 1;
else
echo '#vsftpok' >> $ftpdir/ok
fi
fi
cat $ftpdir/ok |grep -q '#db4-utilsok'
if [ $? -ne 0 ];then
rpm -qa|grep -q 'db4-utils'
if [ ! $? -eq 0 ];then
echo "db4 RPM not install."
exit 2
else
echo '#db4-utilsok' >> $ftpdir/ok
fi
fi
[ -d ${vftpdir} ] || mkdir -p ${vftpdir}
[ -f ${login} ] || touch ${login}
[ -d /ftp ] || mkdir /ftp
chmod 700 ${login}
cat /etc/passwd|awk -F: '{print $1}'|grep -q virtual
if [ ! $? -eq 0 ];then
useradd virtual
echo 123456 | passwd --stdin virtual
fi
}
conf ()
{
[ -f ${ftpconf} ] || touch ${ftpconf}
if [ -f ${ftpconf} ];then
cat ${ftpconf}|grep -q '#vsftpd.conf#'
if [ ! $? -eq 0 ];then
mv  ${ftpconf} ${ftpdir}/vsftpd.conf.`date +%Y-%m-%d%M%S`.bak;
touch ${ftpconf};
echo "#vsftpd.conf#" >> ${ftpconf}
echo "anonymous_enable=NO" >> ${ftpconf}
echo "local_enable=YES" >> ${ftpconf}
echo "write_enable=YES" >> ${ftpconf}
echo "local_umask=022" >> ${ftpconf}
echo "dirmessage_enable=YES" >> ${ftpconf}
echo "xferlog_enable=YES" >> ${ftpconf}
echo "connect_from_port_20=YES" >> ${ftpconf}
echo "xferlog_std_format=YES" >> ${ftpconf}
echo "xferlog_file=/var/log/vsftpd.log" >> ${ftpconf}
echo "" >> ${ftpconf}
echo "pam_service_name=vsftpd.vu" >> ${ftpconf}
echo "userlist_enable=YES" >> ${ftpconf}
echo "listen=YES" >> ${ftpconf}
echo "tcp_wrappers=YES" >> ${ftpconf}
echo "guest_enable=YES" >> ${ftpconf}
echo "guest_username=virtual" >> ${ftpconf}
echo "user_config_dir=/etc/vsftpd/vsftpd_user_conf" >> ${ftpconf}
fi
fi


[ -f ${pamftp} ] || touch ${pamftp}


if [ $? -eq 0 ];then
cat ${pamftp}|grep -q '#pamftp#'
if [ ! $? -eq 0 ];then
echo "auth    required pam_userdb.so db=/etc/vsftpd/login" >> ${pamftp}
echo "account required pam_userdb.so db=/etc/vsftpd/login" >> ${pamftp}
echo "#pamftp#" >> ${pamftp}
fi
fi
}
Vaddftp ()
{
ls ${vftpdir}|grep -q "^${user}$"
if [ $? -eq 0 ];then
echo "username exies."
exit 3
else
echo "${user}" >> ${login}
echo "${pass}" >> ${login}
fi
}
up ()
{
touch ${vftpdir}/${user}
echo "local_root=${vuserftpdir}/${user}" >> ${vftpdir}/${user}
echo "anon_world_readable_only=NO" >> ${vftpdir}/${user}
echo "write_enable=YES" >> ${vftpdir}/${user}
echo "anon_mkdir_write_enable=YES" >> ${vftpdir}/${user}
echo "anon_upload_enable=YES" >> ${vftpdir}/${user}
echo "anon_other_write_enable=YES" >> ${vftpdir}/${user}


mkdir -p ${vuserftpdir}/${user}
chmod 777 -R ${vuserftpdir}
db_load -T -t hash -f ${login} /etc/vsftpd/login.db
}
down ()
{
touch ${vftpdir}/${user}
echo "local_root=${vuserftpdir}/${user}" >> ${vftpdir}/${user}
echo "anon_world_readable_only=NO" >> ${vftpdir}/${user}


mkdir -p ${vuserftpdir}/${user}
chmod 755 -R ${vuserftpdir}
db_load -T -t hash -f ${login} /etc/vsftpd/login.db
}


no_del ()
{
echo "local_root=${vuserftpdir}/${user}" >> ${vftpdir}/${user}
echo "anon_world_readable_only=NO" >> ${vftpdir}/${user}
echo "write_enable=YES" >> ${vftpdir}/${user}
echo "anon_mkdir_write_enable=YES" >> ${vftpdir}/${user}
echo "anon_upload_enable=YES" >> ${vftpdir}/${user}
echo "anon_other_write_enable=YES" >> ${vftpdir}/${user}
echo "cmds_allowed=ABOR,CWD,LIST,MDTM,MKD,NLST,PASS,PASV,PORT,PWD,QUIT,RETR,RNFR,RNTO,SIZE,STOR,TYPE,USER,REST,CDUP,HELP,MODE,NOOP,REIN,STAT,STOU,STRU,SYST,FEAT" >> ${vftpdir}/${user}
mkdir -p ${vuserftpdir}/${user}
chmod 777 -R ${vuserftpdir}
db_load -T -t hash -f ${login} /etc/vsftpd/login.db
}
#ok let's begin. {


user=$1
pass=$2
updown=$3
ftpdir=/etc/vsftpd
login=${ftpdir}/login.txt
ftpconf=/etc/vsftpd/vsftpd.conf
vftpdir=/etc/vsftpd/vsftpd_user_conf
pamftp=/etc/pam.d/vsftpd.vu
vuserftpdir=/ftp
case $1 in
h | H | -h | -H | help)    readme;
exit 0;
;;
esac
if [ $# -ne 3 ];then
readme;
exit 0;
fi
echo '1.chk '
chk
echo '2.conf'
conf
echo '3.addftp'
Vaddftp
echo '4.user'
case ${updown} in
up)    up;
;;
down)    down;
;;
nodel) no_del;
;;
*)    no_del;
;;
esac


if [ $? -eq 0 ];then
echo "#################################"
echo "#    $user add done"
echo "#    Name:    $user"
echo "#    passwd:    $pass"
echo "#    FtpDir: /ftp/$user"
echo "#    userconfig: $vftpdir/$user"
echo "#################################"
fi
service vsftpd restart
#End }