Re: Cann"t exec() or system() with safe

Re: Cann"t exec() or system() with safe_mode=1

am 17.10.2007 14:56:24 von Stut

Joaquín wrote:
> Hello,
>
> I have a problem with safe_mode. I want to execute some program while in
> safe_mode=1 but I cann't. To make it as simple as possible I'm now using
> myprogram.exe that is the typical "hello world" program.
> It only works with safe_mode=0 and with safe_mode=1 nothing happens and
> it returns nothing: no echo, no error message, althoug
> error_reporting=E_ALL.
> I try it with exec() and system() and it is the same (both execute it or
> both don't).
> After having read some blogs and newsgroups I have set all these things:
>
> -myprogram.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV, IWAM_SERV
> and ALL can read and execute it.
> -a copy of CMD.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV,
> IWAM_SERV and ALL can read and execute it.
> -C:\wwwroot\tests\bin is in the PATH
> -safe_mode_exec_dir = "c:\wwwroot\tests\bin"
> -with IIS manager I have set both "Anonymous"_and_"Windows integrated"
> authentication and only "Windows integrated" authentication in
> C:\wwwroot\tests.
>
>
> ¿Have you any idea?

Try using forward slashes instead of backslashes.

-Stut

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Cann"t exec() or system() with safe_mode=1

am 17.10.2007 14:59:21 von javalpi

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Hello,

I have a problem with safe_mode. I want to execute some program while in
safe_mode=1 but I cann't. To make it as simple as possible I'm now using
myprogram.exe that is the typical "hello world" program.
It only works with safe_mode=0 and with safe_mode=1 nothing happens and
it returns nothing: no echo, no error message, althoug
error_reporting=E_ALL.
I try it with exec() and system() and it is the same (both execute it or
both don't).
After having read some blogs and newsgroups I have set all these things:

-myprogram.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV, IWAM_SERV
and ALL can read and execute it.
-a copy of CMD.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV,
IWAM_SERV and ALL can read and execute it.
-C:\wwwroot\tests\bin is in the PATH
-safe_mode_exec_dir = "c:\wwwroot\tests\bin"
-with IIS manager I have set both "Anonymous"_and_"Windows integrated"
authentication and only "Windows integrated" authentication in
C:\wwwroot\tests.

¿Have you any idea?

This is my php
##########################################################
$retstr = exec('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);
echo "

retstr: ".$retstr;
echo "

retval: ";
if ((bool)$retval!=False){
foreach ($retval as $nombre => $valor){
echo $valor."
";
}
} else {
echo "False
";
}
echo "

";

$retstr = system('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);
echo "

retstr: ".$retstr;
echo "

retval: ";
if ((bool)$retval!=False){
echo "True
";
} else {
echo "False
";
}
?>
##########################################################

And this my server:
Windows 2000
IIS 5
PHP 4.4.3, ISAPI
I have tried it in a W2003, IIS6, PHP 4.4.2 with the sema result :(

Thanks for your help.

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Content-Transfer-Encoding: 8bit
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filename="Cann't exec() or system() with safe_mode=1.eml"

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Date: Wed, 17 Oct 2007 14:26:15 +0200
From: =?ISO-8859-1?Q?Joaqu=EDn?=
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Subject: Cann't exec() or system() with safe_mode=1
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 8bit

Hello,

I have a problem with safe_mode. I want to execute some program while in
safe_mode=1 but I cann't. To make it as simple as possible I'm now using
myprogram.exe that is the typical "hello world" program.
It only works with safe_mode=0 and with safe_mode=1 nothing happens and
it returns nothing: no echo, no error message, althoug
error_reporting=E_ALL.
I try it with exec() and system() and it is the same (both execute it or
both don't).
After having read some blogs and newsgroups I have set all these things:

-myprogram.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV, IWAM_SERV
and ALL can read and execute it.
-a copy of CMD.exe is placed in C:\wwwroot\tests\bin. IUSR_SERV,
IWAM_SERV and ALL can read and execute it.
-C:\wwwroot\tests\bin is in the PATH
-safe_mode_exec_dir = "c:\wwwroot\tests\bin"
-with IIS manager I have set both "Anonymous"_and_"Windows integrated"
authentication and only "Windows integrated" authentication in
C:\wwwroot\tests.

¿Have you any idea?

This is my php
##########################################################
$retstr = exec('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);
echo "

retstr: ".$retstr;
echo "

retval: ";
if ((bool)$retval!=False){
foreach ($retval as $nombre => $valor){
echo $valor."
";
}
} else {
echo "False
";
}
echo "

";

$retstr = system('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);
echo "

retstr: ".$retstr;
echo "

Forward slashes don"t work but astonish me

am 18.10.2007 10:08:51 von javalpi

(This is a respond "again" message because I think I made it wrong the
first time: my first respond message isn't in the news since yesterday.)

There is some changes compared to using backslahes but it doesn't work.

Using backslashes
php.ini
safe_mode_exec_dir = "c:\wwwroot\tests\bin"

myphp.php
$retstr = exec('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);
$retstr = system('C:\wwwroot\tests\bin\myprogram.exe 2>&1',$retval);

When safe_mode=0
exec() $retval is "Hello World" and system() $retval is False (although
"Hello World" is displayed).
When safe_mode=1
both $retval are False and there isn't any echo.

Using forward slashes

When safe_mode=0
The same as above.
When safe_mode=1
exec() $retval is False BUT system() $retval is True. There is no echo
anyway :(

So system() $retval is False always when there is echo and sometimes
when there isn't, and is True sometimes when there isn't echo.

Does this make any sense for anyone!?

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[Fixed] :)

am 22.10.2007 13:36:43 von javalpi

After a lot of tests (some of them with very litle sense, you would
laugh at me but dispair makes that) I have found the answer:
¡¡path with forward slashes AND ended with slash!!.

with or without ", with a single or double // are the same.

safe_mode_exec_dir = c:/wwwroot/tests/bin/
safe_mode_exec_dir = "c:/wwwroot/tests/bin/"
safe_mode_exec_dir = c://wwwroot//tests//bin//

The absolut path in exec() or system() is unnecessary.

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