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Exec - Executing External Programs


I have problem with executing external programs...
The code:
system("/home/pkunzip /arch.zip /3");
Does not work properly (nothing doeing)...

The code:
system("dir /w");
Working very-very good




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Related Forum Messages:
Executing External Programs
I know all the different functions that allow me to execute an external progam, however I have come across and interesting problem that I need to fix if it is at all possible.

Is there a way that I can use the php functions and execute an external program by some other user other then who ever owns the apache process?

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ImageMagick And Executing External Programs
I have installed ImageMagick and GhostScript (Windows/IIS) and IM is working from the command line (specifically the convert command) so now I need to get it working in php. To that end I have the following code:

<?php
system("c:Program FilesImageMagick-6.3.4-Q16convert.exe c:InetpubwwwrootexpgraphicsimgMagick est_file.ai c:InetpubwwwrootexpgraphicsimgMagickAIC.png",$retvar);
echo $retvar; // Now you can check the $retvar for errors
?>

c:Program FilesImageMagick-6.3.4-Q16convert.exe - the root folder for IM, location of convert.exe

c:InetpubwwwrootexpgraphicsimgMagick est_file.ai - the location of the target image to use for conversion

c:InetpubwwwrootexpgraphicsimgMagickAIC.png - the location, name, and format for the converted image

Using the above code, it does not create a new png image. Before I set the permissions for the Internet Guest Account user to "read & execute" for the cmd.exe file located at C:WINDOWSsystem32, $retvar was echoing a value of -1. Once I set the permissions on C:WINDOWSsystem32cmd.exe, $retvar is echoing a value of 1. In either case, the new graphic is NOT generated. Is there something wrong with my syntax?

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Executing External Programs From PHP4 On Windows98 With Apache 1.3.14 For Win32
I did a search, and did not find anything specific on this topic, so here goes:

Trying to create a webpage button or link that when pressed executes Win98's "dialer.exe" with a phonenumber as a passed parameter. From my understanding, the exec function in PHP seems to work best with Linux (correct me if I am wrong please!). Are there alternatives?

The other bit of knowledge I have not been able to find (and really is outside this forum), is that dialer.exe is supposed to accept control from external programs, but I have yet to find docs or examples of such.

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Executing MDL Programs Using PHP
Help to execute MDL Applications by making a call "mdl load <application name>" through PHP.

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Executing Programs On A Server
i've written a c++ program that converts one file type to another via
two arguments (the input and output filenames).

i want to execute this on my server, using something like

exec("myprogram.exe $arg1 $arg2");

but then I realized my server is linux, and my program was compiled for
windows.

so I uploaded the .cpp instead, and now i'm trying to compile it doing
something like

exec("gccp hello.cpp");

which returns an exit code 127... not really sure what that means.

I'm guessing I probably don't have permission to be creating files on
my server...is there anyway I can change this permissions or anything?

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Executing Large Sclae Programs In Fortran Using PHP
I have some large scale programs in fortran in server and i would like
to execute them by giving input through HTML/PHP forms.Iam trying with
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(fortran,matlab,'C' etc) in server using PHP.

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External Programs
I have just installed my first Linux distribution (SUSE 10.0). Everything is compiled as far as Apache, Mysql & PHP is concerned. But, I have this problem: I call system commands through PHP using system, shell_exec etc The thing is that PHP responds OK when it comes to 'ls' or 'grep' or 'wget', but, in another program, not UNIX-native, there is no response. I am sure that the program is set up in the PATH, because, if I open a terminal, I can call it from everywhere and it works fine.

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Multiple External Programs
I have a php script which when executed calls an external program. The external program goes off and figures some things out and the output of the program is returned as as an array to the calling PHP program. Next a second external program is called and the process is repeated. This goes on for 4 external program calls. The arrays are then analyzed and the results are outputted. Since the 4 external programs are independent of each other but each takes 3 5 minutes to run, I would like to run them all at the same time and then, when they are all done, proceed with the rest of the analysis.

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Problems With Executing Binaries With Exec()
I have problems with executing external programms in php with exec() and system(). When i am trying to execute some shell commands eg system('ls'), exec('whoami') there is no problem , with my binaries (the simplest hello world program in c++) - no problem.

But programms, which i've installed(./configure make make install) before, don't work.' For example i've installed cvs. Code:

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Including External Php File And Executing A Command
I have two different servers, and i need to call a php of server B from server A, so i did this:

SERVER A:

index.php has:
include('http://server-b/file.php');

The content of file.php is:
phpinfo();

... but phpinfo() throws info about server B instead of its parent file SERVER A.

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Exec Command Executing The Program In The Background
i am running xampp on my computer from apachefriends.org, it's a apache server

this is the php script

<html>
<head>
<?php

exec ('notepad');
?>
</head>
</html>

but when i execute the php script on my computer , notepad doesnt not run

i used a process viewer and discovered that notepad is running in the background and i cannot see it

does anyone know how NOT to make it run in the background? i wan to see the notepad window on the apache server (my computer)

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Executing Multiple Shell Commands Via One Exec()-call
I wrote a PHP shell script under Linux which puts all existing
[E]PS-Files within a directory into a list and should then start a
single Ghostview window for each file. Sounds simple, but it's not:

The following code provides for about half of the functionality I
wanted:

==============code starts
$bla = array();
foreach ($filelist as $file)
{
$bla[] = fopen("./trash/".$file.".tmp", "w");
exec ("gv ".$file." &", $bla);
}
===============code ends

Here, all files are opened one after another. The next file opens only
after closing the current one. Actually I don't know whether the
redirection of the output towards .tmp-files complies with the
intended purpose of the redirection. The PHP manual states that when
starting programs in background, the output would have to be
redirected to a stream or file, otherwise PHP would continue to run
until the respective program is terminated (which I really wouldn't
care about at all, if it did so...).

Then I thought about writing the line I would type manually for
opening all ps-files ('gv bla1.ps & ; gv bla2.ps&; ...') into a string
and then executing that string:

===============code starts
$command="";
$bla = fopen("./trash/tmp", "w");
foreach ($filelist as $i => $file)
{
if ($i < count($filelist) - 1)
{
$command = $command."gv $file & ; ";
}
else
{
$command = $command."gv $file &";
}
}
exec ($command, $bla);
===============code ends

sadly I get an error message from the shell:
================ error message starts
sh: -c: line 1: syntax error near unexpected token `;'
sh: -c: line 1: `gv uges_Boden.ps & ; gv ux_Boden.ps & ; gv
uy_Boden.ps &'
================ error message ends

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Exec And Shell_exec Not Executing Batch File Properly
I am running Apache and PHP on windows XP. Latest versions of them all. I am trying to execute a simple .bat batch file that simply copies 4 files from one location to the batch files location.

The php exec command runs like this:
V:Corehtdocswp ransfer.bat Y:folder

here the batch file is executed and the command following is thrown into the batch file to specify where the files that need to be copied are.

The Y: directory is in windows considered to be a network drive, although it is really just a folder on the same machine, i did this because there are spaces in the folder names on its way to where I need the information copied from i.e. "Program Files"

When I run this in the command prompt by entering this in manually it runs perfectly. However when running exec in the PHP script nothing happens; when I run shell_exec it gives me the output and it shows that every line in the batch file is executed however it does not actually copy anything.

Looking into my apache error log I see that this is related:

"The system cannot find the drive specified."

Now what I am wondering is, how is it that I can run this script manually but apache tells me I cannot. My permissions are set to allow all and deny nothing since it is a machine well tucked into a safe place.

Apache resides on the machine in C:

eactorcore and it also setup a virtual drive as v:core. Trying both does not work.

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Exec() Call To External Program
We are trying to use the exec() or system() calls in a php script. The program we are trying to call takes 1 parameter in the form of: email@domain.com[usercode]

There are no spaces in the parameter at all and we have tried placing quotes around just to see if it mattered. We have also modified the parameter just to send it hello. Here is what we get: With no parameters the php script executes the program where it displays the error message from the program stating that not enough parameters were supplied. We then add the word "hello" to the end after a space so the command looks like this: command "hello" and the program no longer executes at all. No matter what we do, if we supply an argument to the command the php code will not execute the program.

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Exec() - Running An External Program From Inside PHP.
I'm having difficulties running an external program from inside PHP. I'm trying to create thumbnails using ImageMagick's convert utility using the following program: PHP Code:

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Call Exec To Run An External Program Through A Form
I have problem with "Exec" function in PHP5. When I call Exec to run an external program through a form, it fails but when I run my PHP page by PHP interpreter like: PHP MyPHP.php it just works fine and external program executes successfully.

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Warning: Ftp_exec() [function.ftp-exec]: SITE EXEC Is An Unknown Extension
This is kind of a part II to a question a posted earlier about exec and shell_exec not working.

I'm trying to use ftp_exec to execute some simple command:

$conn_id = ftp_connect("$server") or die ("Cannot initiate connection to host");
ftp_login($conn_id, "$username", "$userpass") or die("Cannot login");
$command = 'cd..'
if (ftp_exec($conn_id, $command)) {
   echo "$command executed successfully";
} else {
   echo "could not execute $command";
}
ftp_close($conn_id);


I'm getting the following error:

Warning: ftp_exec() [function.ftp-exec]: SITE EXEC is an unknown extension in /home/urieilam/public_html/work/video/test1.1.php on line 21
could not execute cd..

Have tried other commands as well, get the same. Could this be a security issue or something to do with p Safe Mode? I don't know much about commands, shell, etc..

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Warning: Exec() [function.exec]:
I'm using PHP Version 5.0.4 in IIS5, Window 2003. When I execute my script, it prompt me the following error :

Warning: exec() [function.exec]: Unable to fork [ping 10.8.1.70] in c:Inetpubwwwrootswitch.php on line 62
Below is my script :

<?php
$line1 = exec("ping 10.8.1.70", $output);
exit;
?>

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PHP Programs ?
Im after a php program which is of the likes of textpad but designed for PHP so it checks curly braces and other simple errors in PHP code to us PHP novices out ??

Is there anything on the internet like this, download links (the best few)?

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PHP Calling Programs On AS/400
I have a website (running on a linux machine) that currently makes use
of JSP to access data on an AS/400.

I've found information telling me that after setting up ODBC drivers on
the linux server I'll be able to access the databases on the AS/400
however I've not found any information about executing programs on the
AS/400.

I've looked at the docs for exec, passthru, etc. and it appears those
will only work on the local operating system.

Is it possible for a PHP page to execute a program on a remote machine?

If so, how does PHP handle the ASCII <--> EBCDIC conversion for
parameters passed and returned?

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Test The Same Programs
I'm building my php scripts in one computer and i don't have any problem, but when I test the same programs in other (win xp ie) don't work at all, specially whe you do submit. I tried testing with this simple script:

<?php
if($_POST["test"]){
print "test ok";
print $testa;
}
?>
<HTML>
<HEAD>
</HEAD>
<BODY>
<form action="<?$_SERVER['PHP_SELF']?>" method="post" name="forma" enctype="multipart/form-data">
<input type="submit" name="test" value="submit">
<input type="text" name="texta" size="20">
</form>
</BODY>
</HTML>

When you submit the form, print "test ok", but no the value of $testa variable. I use this way to send data and always works. (wamp5). I checked the services wampapache and wampmysqld and both are working then i tried printing phpinfo() and it works too.

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Compiled Php Programs
Is it possible to compile php source to create a binary? I am thinking along the lines of building an application for folks, but do not want them to have access to the source code. I like php and perl, but am not sure if there is a way to "secure" my programs if I
use them.

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Auditing Programs?
I'm trying to perform an audit on a PHP script and am curious what kind of software there already exists to do such things.

I think the ideal solution would be something that, for each variable, provided a list of the functions that variable was passed through. Code:

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Running Programs
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Different PHP Programs - 1 Registered User Possible For All?
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If it is possible, will I have to change anything?

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Also the PHP-GTK page mentions that there is no memory deallocation. But how can one write a GUI program without memory control?

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Can anyone of you recommend me how too make my program run fast? Is there any code / program that I must use?

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a script in php or another language which lets you block any illegal 3rd party scripts/programs? Such as rsclient.exe is a auto-clicker which clicks a button automaticly for how ever long you want it to do it in seconds. Of course it usually comes with a virus anyways but people use it. I need a script that stops any program or script to access the website scripts.

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I am using Apache web server and i am trying to run php programs over it My problem is that the php programs aren't running at all. Instead i am receiving messages "BAD REQUEST ERROR 400".

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Php Function To Implement C Language Programs
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Essentially, the majority of the backend is already done for you, and you can design and configure your website using a few extra HTML tags. It's also very flexible - you can easily integrate it with regular PHP code right in the file.

The new version also prints out every form in degradable Ajax, meaning that those users without Javascript ability will use the regular functionality.

The end result is far less code, meaning less development and maintenance time, fewer errors, and more ease in changing things around.

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If one user is on the site, it should not be a problem. If many users
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Users enter data in the form, which are then written in a file (the file is created at the time a user enters some data) The file is then given as an input to an external program The external program runs and gives some results which are then stored in another file (that is created when the external program finishes) What I want to do is to somehow create these files and, when the user exits from the browser, then both files that refer to this user, will be deleted. Code:

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PHP Not Executing, IIS 6
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For Example:

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<?
phpinfo();
?>

When I request http://localhost/test.php I get a blank page.
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<?
phpinfo();
?>

Any ideas what I am doing wrong? Any resources that could guide me
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The jah code is

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req = new ActiveXObject("Microsoft.XMLHTTP");
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req.onreadystatechange = function() {jahDone(target);};
req.open("GET", url, true);
req.send();
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}
}
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if (req.status == 200) {
results = req.responseText;
document.getElementById(target).innerHTML = results;
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document.getElementById(target).innerHTML="jah error:
" +
req.statusText;
}
}
}

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Executing A .bat File With PHP
I have a .bat file that copies certain files across a network and I needed a way to run this file using PHP.  I was looking at exec() but I was not sure exactly how to use it.  I was also using pstools but could not get them to work with PHP.  Can someone give me an example of how to do this or send me somewhere where I can read up on this?

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Executing .sql File
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Executing A Variable?
If a variable stores a function, could I execute the function by typing the variable alone? Or maybe by echoing it?

<?php

/* Set variable */
$math = round(23.89);

/* Execute variable? */
$math;

/* Echo variable? */
echo $math;

?>

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Executing A Program
I am trying to run a console application which needs to keep running even after the php script has finished executing. I also need the PID or some sort of handle I can use to kill the program at a later stage.

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