centos一键FTP

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# Version      : 1.0
# Author       : 果子
# Date         : 2013-12-14 14:34:12
# Description  : 只需要三步即可完成安装
#                chmod a+x install_vsftpd.sh
#                ./install_vsftpd install_server 安装相关服务
#                ./install_vsftpd add_user   配置用户信息
#                ./install_vsftpd start   启动服务
# Usage        : 在浏览器或计算机地址中输入:ftp://192.168.0.1 即可访问,192.168.0.1为主机地址。
# More         : 后续将增加一些安全性控制和批量创建用户
#
#
#!/bin/bash
#set -x #调试用
allow=YES
deny=NO
Sname=vsftpd
VFconf="/etc/vsftpd/vsftpd.conf"
VFstart="/etc/init.d/vsftpd"
VUser="/etc/vsftpd/vuser"
VUCdirectory="/etc/vsftpd/vuconf"
VFpam="/etc/pam.d/vsftpdd"
VFDirectory="/var/www/html"
DB4=db4
DB4UTILS="db4-utils"
DB4DEVEL="db4-devel"
sys_tem="/lib64"
http=apache
#----------主配置文件--------------
main_config()
{
    if [ -d $sys_tem ];then
    echo "Your system is 64bit"
    systems=$sys_tem
    else
    echo "Your system is 32bit"
    systems=/lib
    fi
    #     touch $VFpam
    sed -i 's/anonymous_enable=YES/anonymous_enable=NO/g' $VFconf
    sed -i 's/#chown_uploads=YES/chown_uploads=NO/g' $VFconf
    sed -i 's/#xferlog_file/xferlog_file/g' $VFconf
    sed -i 's/#async_abor_enable=YES/async_abor_enable=YES/g' $VFconf
    sed -i 's/#ascii_upload_enable=YES/ascii_upload_enable=YES/g' $VFconf
    sed -i 's/#ascii_download_enable=YES/ascii_download_enable=YES/g' $VFconf
    sed -i 's/#chroot_local_user=YES/chroot_local_user=YES/g' $VFconf
    sed -i 's/pam_service_name=vsftpd/pam_service_name=vsftpdd/g' $VFconf
    {
    echo "guest_enable=$allow"
    echo "guest_username=$http"
    echo "user_config_dir=$VUCdirectory"
    echo "virtual_use_local_privs=$allow"
    } >> $VFconf
    touch $VFpam
    {
    echo "auth sufficient $systems/security/pam_userdb.so db=$VUser"
    echo "account sufficient $systems/security/pam_userdb.so db=$VUser"
    } > $VFpam
}
#------------用户配置-----------------------
user_config ()
{
    Uname=$1
    userhome="local_root="
    userworld="anon_world_readable_only="
    userupload="anon_upload_enable="
    usermkdir="anon_mkdir_write_enable="
    userothen="anon_mkdir_write_enable="
    userwrite="write_enable="
    echo -e "\033[31;40m ===Now configure the config file=== \033[0m"
    if [ -d $VUCdirectory ];then
    echo "The directory $VUCdirectory exsits."
    else
    mkdir $VUCdirectory
    fi
    echo "Your want to configure user is :$Uname"
    read -p "Please input user home directory(default $VFDirectory)" home_dir
    if [ "x$home_dir" != "x" ]
    then
    VFDirectory=$home_dir
    fi
    echo "Your home directory is: $VFDirectory"
    touch "$VUCdirectory/$Uname"  && echo -e "\033[31;40mSuccess to configure file=== \033[0m"
    {
    echo "$userhome$VFDirectory"
    echo "$userwrite$allow"
    echo "$userworld$deny"
    echo "$userupload$allow"
    echo "$usermkdir$allow"
    echo "$userothen$allow"
    } > $VUCdirectory/$Uname
    chown -R $http:$http $VFDirectory
    chmod -R 755 $VFDirectory
}
#----------------增加用户---------------------
add_user()
{
    echo "start add user..."
    while [ 1 ]
    do
    isok=y
    echo -n "Do you want to add user?"
    read -p "[Y/N]:" ok
    if [ "x$ok" = "x" ]
    then
        continue
    elif [ "x$ok" = "xN" ]
    then
        echo "=============Finish add user============="
        break
    fi
    isok=$ok
    if [ "x$isok" != "xY" ]
    then
        echo "Error input! please input Y/N "
        continue
    else
        read -p "Input username: " username
        read -p "Input userpasswd: " userpasswd
        echo "Your username is: $username"
        echo "Your userpasswd is: $userpasswd"
        {
        echo "$username"
        echo "$userpasswd"
        } >> $VUser
        user_config $username
    fi
    done
    db_load -T -t hash -f  $VUser $VUser.db
}
#-----------------安装服务---------------------
install_server()
{
    rpm -q $Sname
    if [ $? -eq 0 ];then
    echo "vsftpd service has installed. "
    else
    yum install -y $Sname
    fi
    yum -y install "db4*"
}
#------------------------------------------------
case $1 in
    install_server)
    echo "start install $Sname:"
    install_server
    main_config
    ;;
    add_user)
    add_user
    ;;
    restart)
    $VFstart restart
    ;;
    start)
    $VFstart start
    ;;
    stop)
    $VFstart stop
    ;;
    *)
    echo "Usage: $0 install_server|add_user|restart|start|stop"
    exit 1
esac
exit 0

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