ssh2_fetch_stream

(PECL ssh2 >= 0.9.0)

ssh2_fetch_stream — Fetch an extended data stream

说明

ssh2_fetch_stream(resource $channel, int $streamid): resource

Fetches an alternate substream associated with an SSH2 channel stream. The SSH2 protocol currently defines only one substream, STDERR, which has a substream ID of SSH2_STREAM_STDERR (defined as 1).

参数

channel
streamid: An SSH2 channel stream.

返回值

Returns the requested stream resource.

范例

示例 #1 Opening a shell and retrieving the stderr stream associated with it


<?php
$connection = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');

$stdio_stream = ssh2_shell($connection);
$stderr_stream = ssh2_fetch_stream($stdio_stream, SSH2_STREAM_STDERR);
?>

参见

ssh2_shell() - Request an interactive shell
ssh2_exec() - Execute a command on a remote server
ssh2_connect() - Connect to an SSH server

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User Contributed Notes 4 notes

down

ingo at baab dot de ¶

1 year ago


In addition to the last post (13 years ago) from Dennis K. I corrected two typos (constant SSH2_STREAM_STDIO was misspellt) and removed (too many) brackets - this code works:

<?php
      $stdout_stream = ssh2_exec($connection, "lsssss -la");

      $sio_stream = ssh2_fetch_stream($stdout_stream, SSH2_STREAM_STDIO);
      $err_stream = ssh2_fetch_stream($stdout_stream, SSH2_STREAM_STDERR);
      
      stream_set_blocking($sio_stream, true);
      stream_set_blocking($err_stream, true);
      
      $result_dio = stream_get_contents($sio_stream);
      $result_err = stream_get_contents($err_stream);

      echo 'stderr: ' . $result_err;
      echo 'stdio : ' . $result_dio;
?>

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Ricardo Striquer (ricardophp yohoocombr) ¶

15 years ago


I got a friend using those functions and he was not able to use this ssh2_fetch_stream function. First of all I got the ssh2_shell sample by webmaster at spectreanime dot com, but this function does not work with his sample, i believe thats because he use fwrite instead of ssh2_shell or ssh2_exec to run the command.

This sample below is to run under a command line and is fully functional. note that i add the sleep as advised by webmaster at spectreanime dot com

<?php
echo "Connexion SSH ";
if (!($connection=@ssh2_connect("69.69.69.69", 22))) {
   echo "[FAILED]\n";
   exit(1);
}
echo "[OK]\nAuthentification ";

if (!@ssh2_auth_password($connection,"root","YourPassword")) {
   echo "[FAILED]\n";
   exit(1);
}
echo "[OK]\n";

$stdout_stream = ssh2_exec($connection, "/bin/lssss -la /tmp");
sleep(1);
$stderr_stream = ssh2_fetch_stream($stdout_stream, SSH2_STREAM_STDERR);

echo "Erros encontrados!\n------------\n";
while($line = fgets($stderr_stream)) { flush(); echo $line."\n"; }
echo "------------\n";

while($line = fgets($stdout_stream)) { flush(); echo $line."\n";}

fclose($stdout_stream);
?>

down

-2

Dennis K. ¶

15 years ago


In addition to the last post from Ricardo Striquer:

Simple block the stream with stream_set_blocking(), and you dont have to sleep() the script...

<?php
stdout_stream = ssh2_exec($connection, "/bin/lssss -la /tmp");

$err_stream = ssh2_fetch_stream($stdout_stream, SSH2_STREAM_STDERR);

$dio_stream = ssh2_fetch_stream($stdout_stream, SSH2_STREAM_STDDIO);

stream_set_blocking($err_stream, true);
stream_set_blocking($dio_stream, true);

$result_err = stream_get_contents($err_stream));
$result_dio = stream_get_contents($dio_stream));
?>

down

-2

hexer ¶

13 years ago


I successfully used fgets in PHP4


examples


<?php

$stderr = fgets(ssh2_fetch_stream($channel, SSH2_STREAM_STDERR), 8192);


$str = fgets(ssh2_fetch_stream($channel, SSH2_STREAM_STDIO), 8192);

?>

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官方地址：https://www.php.net/manual/en/function.ssh2-fetch-stream.php

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PHP官方手册 - 互联网笔记

ssh2_fetch_stream

说明

参数

返回值

范例

参见

User Contributed Notes 4 notes