Question

Using exec in PHP to run program?

Asked by: alumwell

Hello.

I'm trying to make use of the exec feature in PHP. I'm trying to run the following command:
C:\psshutdown.exe @c:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds!  Run You Fool!?"

The above command works prefectly in the command line, so i put together the code in the code snippet, although when i run it, it just 'thinks' for about 10 seconds then finishes, but the command isn't working. There is nothing output from '$output' and if i print '$return_var' it shows '-1073741502'.

i tried running a process manager to see what it was running and got these results:

http://img148.imageshack.us/my.php?image=ssinternalsuh7.jpg

It appears to show that it's run it, but it hasn't. I've noticed that it closed cmd very quickly after the command was run, perhaps not being it enough time to run?

Anyone have any suggestions why it's not working?

Thanks.

<?php
 
$output = array();
$return_var = 0;
 
 $command='C:\psshutdown.exe @c:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds!  Run You Fool!?"';
exec($command, $output, $return_var);
 
sleep(10);
 exec("exit(0)"); 
 
foreach($output as $outputline){
    echo("$outputline<br>");
}
 
?>
                                  
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Asked On
2008-10-31 at 02:29:03ID23864554
Tags

PHP

,

Firefox, ,IE

Topics

PHP Scripting Language

,

PHP for Windows

Participating Experts
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Comments
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Answers

 

by: hankknightPosted on 2008-10-31 at 02:51:44ID: 22848595

To see the acual command-line error, you should add 2>&1 to the end of your command.

Also, you are sleeping for only 10 seconds, and I think you will need to sleep fore more than 60.

<?php
 
ignore_user_abort ();
set_time_limit (0);
 
$output = array();
$return_var = 0;
 
$command='C:\psshutdown.exe @c:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds!  Run You Fool!?"';
echo shell_exec($command . ' 2>&1');
 
sleep(70);
echo shell_exec("exit(0) 2>&1"); 
 
?>

                                              
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by: alumwellPosted on 2008-10-31 at 03:24:30ID: 22848731

Thanks for your reply.

Just tried the code you gave me, unfortunatly it waits the time but the command isn't being run and it doesn't display anything once it's finished.

Any other ideas?

thanks again.

 

by: hankknightPosted on 2008-10-31 at 06:06:32ID: 22849612

Does this give you an error you can read?

<?php
 
ignore_user_abort ();
set_time_limit (0);
 
$command='C:\psshutdown.exe @c:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds!  Run You Fool!?"';
echo shell_exec($command . ' 2>&1');
 
?>

                                              
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by: alumwellPosted on 2008-10-31 at 06:31:36ID: 22849834

Nope. Nothing. Any ideas?

Thanks.

 

by: hankknightPosted on 2008-10-31 at 07:28:33ID: 22850408

I have only one more idea.

Create a batch file called "psshut.bat" and put it here:
C:\psshut.bat

The batch file should contain one line only:
C:\psshutdown.exe @c:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds!  Run You Fool!?"

Then exicute the batch file from PHP:

<?php
$command='C:\psshut.bat';
echo shell_exec($command . ' 2>&1');
?>

If that does not work, I cannot help.

What you are trying to do could be considered dangerous from a security standpoint.  It is possible that a firewall or some other security software is preventing you from doing this.  Beyond that, I am sorry, without a specific error message I am shooting in the dark.

 

by: alumwellPosted on 2008-10-31 at 08:15:45ID: 22850949

Thats now outputting:

C:\www\htdocs>C:\psshutdown.exe @C:\shutdown.txt -u administrator -p password -t 60 -f -k -c -m "This PC Will Blow Up In 60 Seconds! Run You Fool!?"

20120131-EE-VQP-002

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