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(PECL ssh2 >= 0.9.0)
ssh2_fetch_stream — Fetch an extended data stream
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).
An SSH2 channel stream.
Returns the requested stream resource.
Beispiel #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);
?>
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);
?>
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));
?>
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);
?>
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