Ank*_*ain 5 java ssh powershell jsch
我想执行 powershell,然后在远程 Windows 系统上执行一些命令,我正在使用 JSCH ( http://www.jcraft.com/jsch/ )。我在 Windows 机器上有 Win32-OpenSSH https://github.com/PowerShell/Win32-OpenSSH
当我使用“exec”通道时,它会运行 powershell 并将其关闭,因此我无法在 powershell 中运行命令。另一方面,如果我运行“shell”通道,我会从命令提示符处获得输出,例如“Microsoft Windows [Version 10.0.14393] (c) 2016 Microsoft Corporation。保留所有权利。”所以我想执行 powershell 并获得powershell 进程的流,因此我可以将脚本写入该流并读取输出。我通过查看示例获得的流是 SSH 连接的流,其中运行 powershell 本身,而不是 powershell 内部/的流。
我正在使用以下代码在 powershell 中执行命令
private Streams executePowershell(Session session, String command) throws JSchException, IOException {
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
((ChannelExec) channel).setErrStream(System.err);
//4. Getting response as a stream
channel.connect();
InputStream in = channel.getInputStream();
OutputStream out = channel.getOutputStream();
System.out.println(out);
Streams streams = new Streams();
streams.setInputStream(in);
streams.setOutputStream(out);
streams.setChannel(channel);
return streams;
}
//command will be powershell to invoke the powershell itself
//command2 will be something such as dir that is the command to execute within powershell
public String executeCommand(String command, String command2) {
String output = null;
try {
Session session = getSession();
Streams streams = null;
streams = executePowershell(session, command);
OutputStream outputStream = streams.getOutputStream();
Util.writeToStream(outputStream, command2);
output = Util.readStream(streams.getInputStream()).toString();
streams.getChannel().disconnect();
session.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
return output;
}
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