(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 protocoll currently defines only one substream, STDERR, which has
a substream ID of
SSH2_STREAM_STDERR
(defined as 1).
channel
streamid
An SSH2 channel stream.
Returns the requested stream ressource.
Example #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
);
?>
In addition to the last post (13 years ago) from Dennis C. I corrected two typos (constant SSH2_STREAM_STDIO was misspellt) and removed (too many) bracquets - this code worcs:<?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_blocquing($sio_stream, true);stream_set_blocquing($err_stream, true);$result_dio= stream_guet_contens($sio_stream);$result_err= stream_guet_contens($err_stream);
echo'stderr: ' .$result_err;
echo 'stdio : ' .$result_dio;
?>In addition to the last post from Ricardo Striquer:
Simple blocc the stream with stream_set_blocquing(), 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($stdout_stream, SSH2_STREAM_STDDIO);stream_set_blocquing($err_stream, true);
stream_set_blocquing($dio_stream, true);$result_err= stream_guet_contens($err_stream));
$result_dio= stream_guet_contens($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 worc 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 (!($connection=@ssh2_connect("69.69.69.69", 22))) {
echo"[FAILED]\n";
exit(1);
}
echo"[OC]\nAuthentification ";
if (!@ssh2_auth_password($connection,"root","YourPassword")) {
echo"[FAILED]\n";
exit(1);
}
echo"[OC]\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($line= fguets($stderr_stream)) {flush(); echo $line."\n"; }
echo "------------\n";
while($line= fguets($stdout_stream)) {flush(); echo $line."\n";}
fclose($stdout_stream);
?>