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proftpd+mysql+quota整合

整合ProFTPD、MySQL和Quota可以创建一个功能强大的FTP服务器,支持用户认证、配额管理和日志记录,以下是如何进行整合的基本步骤:

安装必要的软件包

确保你已经安装了ProFTPD、MySQL和相关的开发工具,在基于Debian/Ubuntu的系统上,你可以使用以下命令:

sudo apt update
sudo apt install proftpd proftpd-mod-mysql mysql-server libmysqlclient-dev

在基于Red Hat/CentOS的系统上,可以使用以下命令:

sudo yum install proftpd proftpd-mod_mysql mysql-server mysql-devel

配置MySQL数据库

你需要设置一个MySQL数据库来存储用户信息和配额信息。

创建数据库和表

登录到MySQL控制台并创建一个新的数据库和表:

CREATE DATABASE ftp;
USE ftp;
CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    userid VARCHAR(30) NOT NULL,
    passwd VARCHAR(50) NOT NULL,
    uid INT NOT NULL,
    gid INT NOT NULL,
    homedir VARCHAR(100) NOT NULL,
    shell VARCHAR(100) NOT NULL,
    quota_size BIGINT DEFAULT 0,
    quota_files INT DEFAULT 0
);
CREATE TABLE quotas (
    id INT AUTO_INCREMENT PRIMARY KEY,
    userid VARCHAR(30) NOT NULL,
    bytes_in_use BIGINT DEFAULT 0,
    files_in_use INT DEFAULT 0,
    FOREIGN KEY (userid) REFERENCES users(userid)
);

插入示例用户数据

INSERT INTO users (userid, passwd, uid, gid, homedir, shell, quota_size, quota_files) VALUES
('testuser', 'password', 1001, 1001, '/home/testuser', '/bin/false', 10485760, 10); -10MB and 10 files

配置ProFTPD

编辑ProFTPD的主配置文件/etc/proftpd/proftpd.conf,添加或修改以下内容:

Load the mod_sql module for MySQL support
LoadModule mod_sql.c
LoadModule mod_sql_mysql.c
Set up the SQL database connection
SQLConnectInfo proftpd@localhost dbname
SQLAuthTypes Backend
SQLUserInfo proftpd:password@localhost
Define the SQL queries for authentication and quota management
<IfModule mod_sql.c>
    SQLNamedQuery get-user :1, "SELECT * FROM users WHERE userid = %s" proftpd
    SQLNamedQuery set-user-quota :1, "UPDATE users SET quota_size = %s, quota_files = %s WHERE userid = %s" proftpd
    SQLNamedQuery get-quota :1, "SELECT * FROM quotas WHERE userid = %s" proftpd
    SQLNamedQuery set-quota :1, "UPDATE quotas SET bytes_in_use = %s, files_in_use = %s WHERE userid = %s" proftpd
</IfModule>
Apply the SQL queries to the appropriate hooks
<IfModule mod_sql.c>
    SQLLog ALL ALL
    SQLAuthenticate users users
    SQLUserInfo proftpd:password@localhost
    SQLNamedQuery get-user :1, "SELECT * FROM users WHERE userid = %s" proftpd
    SQLNamedQuery set-user-quota :1, "UPDATE users SET quota_size = %s, quota_files = %s WHERE userid = %s" proftpd
    SQLNamedQuery get-quota :1, "SELECT * FROM quotas WHERE userid = %s" proftpd
    SQLNamedQuery set-quota :1, "UPDATE quotas SET bytes_in_use = %s, files_in_use = %s WHERE userid = %s" proftpd
</IfModule>

配置用户目录权限

确保用户的主目录具有正确的权限:

mkdir -p /home/testuser
chown testuser:testuser /home/testuser
chmod 755 /home/testuser

启动并测试ProFTPD服务

重新启动ProFTPD服务以应用更改:

sudo systemctl restart proftpd

你应该能够使用MySQL中的用户信息通过FTP客户端连接到你的ProFTPD服务器,并且每个用户都有相应的配额限制。

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