php远路copy以及执行命令
php远程copy以及执行命令
php远程copy以及执行命令
php远程copy文件以及在远程服务器中执行命令时,所用到的模块是ssh2,以后所有的操作都依据ssh2连接句柄完成。
1. SSH2模块的安装
1.1 安装需要的扩展包
wget http://www.libssh2.org/download/libssh2-1.4.2.tar.gz tar zxf libssh2-1.4.2.tar.gz cd libssh2-1.4.2 ./configure && make && make install
wget http://pecl.php.net/get/ssh2-0.11.3.tgz cd ssh2-0.11.3 phpize (如果报错命令没有找到,apt-get install php5-dev) ./configure ―with-ssh2 && make && make install
1.2 修改php配置信息
cd /etc/php5/cgi vim php.ini 添加项:extension=/usr/lib/php5/20090626/ssh2.so ssh2.so是编译ssh2时得到的模块,上面是模块的位置。
cd /etc/php5/cli vim php.ini 添加项:extension=/usr/lib/php5/20090626/ssh2.so ssh2.so是编译ssh2时得到的模块,上面是模块的位置。
1.3 重启web服务器
/etc/init.d/lighttpd restart
1.4 查看是否加载了ssh2
[root@localhost ~]php -m | grep ssh2 ssh2
2. SSH2模块的连接应用
SSH2连接有两种方式,分别是用户名密码,ssh密钥形式。
2.1 用户名与密码
$connection = ssh2_connect("192.168.6.222",22); if (ssh2_auth_password($connection,"veno","ubuntu")) { echo "Authentication Successful! "; }else{ die("Authentication Failed..."); }
2.2 ssh密钥
$connection = ssh2_connect('192.168.6.222', 22, array('hostkey'=>'ssh-rsa')); if (ssh2_auth_pubkey_file($connection, 'root', '/root/.ssh/id_rsa.pub', '/root/.ssh/id_rsa')) { echo "Public Key Authentication Successful\n"; } else { echo ('Public Key Authentication Failed'); }
Ps: 密钥生成:
在服务器192.168.6.229上面以root登录
#ssh-keygen
有什么提问基本上回车即可
后成的公钥在~/.ssh/id_rsa.pub
如果想在229通过密钥验证登录到222上面,则把229的公钥id_rsa.pub cp到222上面,先手动登录root,然后运行:
cat id_rsa.pub >> ~/.ssh/authorized_keys
这样就可以在229上面ssh 192.168.6.229不需要输入密码即可登录到222。上面php代码在229上面也可以通过验证。
3. SSH2模块的具体应用
通过SSH2验证通过后,得到的连接符为$connection
3.1 实现远程copy文件
远程服务器文件copy到本地:
bool ssh2_scp_recv ( resource $session, string $remote_file, string $local_file )
Ps: 接收文件时,后面文件名可以为空,如:
ssh2_scp_recv($connection, '/home/xiaozl/veno1.exe', '/home/xiaozl/')
本地文件copy到远程服务器
bool ssh2_scp_send ( resource $session, string $local_file, string $remote_file [, int $create_mode] )
Ps:发送文件时,后面的文件名不能为空,如:
ssh2_scp_send($connection, '/home/xiaozl/package.xml', '/home/xiaozl/package.xml');
3.2 执行远程服务器上的命令并取返回值
resource ssh2_exec( resource $session, string $command [, string $pty [, array $env [, int $width [, int $height [, int $width_height_type]]]]] )
在229上面执行222上的命令具体实例:
$tcmd="cd /home/veno/gateway/radiusclient;"; $tcmd.="./nastool.sh get-status app=2b1c5364-db39-c76d-842c-11d4a81d555d"; $stream = ssh2_exec($connection, $tcmd); stream_set_blocking($stream,true); echo stream_get_contents($stream);
附件:测试中应用到的php代码
<?php echo "是访问到这里来了"; $connection = ssh2_connect('192.168.6.222', 22, array('hostkey'=>'ssh-rsa')); if (ssh2_auth_pubkey_file($connection, 'root', '/root/.ssh/id_rsa.pub', '/root/.ssh/id_rsa')) { echo "Public Key Authentication Successful\n"; //$flag=ssh2_scp_recv($connection, '/home/xiaozl/veno1.exe', '/home/xiaozl/'); //接收时,后面文件名可以为空 //$flag=ssh2_scp_send($connection, '/home/xiaozl/package.xml', '/home/xiaozl/package.xml'); //发送时,后面的文件名不能为空 //echo $flag; $tcmd="cd /home/veno/gateway/radiusclient;"; $tcmd.="./nastool.sh get-status app=2b1c5364-db39-c76d-842c-11d4a81d555d"; $stream = ssh2_exec($connection, $tcmd); stream_set_blocking($stream,true); echo stream_get_contents($stream); } else { echo ('Public Key Authentication Failed'); } echo "<br>"; $connection = ssh2_connect('192.168.6.222', 22); ssh2_auth_password($connection, 'veno', '*******'); $tcmd="cd /home/veno/gateway/radiusclient;"; $tcmd.="./nastool.sh get-status app=2b1c5364-db39-c76d-842c-11d4a81d555d"; $stream = ssh2_exec($connection, $tcmd); echo "<br>"; echo "-----------------------------------------------"; stream_set_blocking($stream,true); echo stream_get_contents($stream); echo "-----------------------------------------------"; echo "<br>";

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