Just to close the loop on this. I had to get the admin at the webhost
to recompile the luasandbox code using a newer toolchain. They
created a VM with a newer toolchain but the same version of PHP and
rebuit luasandbox. Here's the steps:
# phpize
Configuring for:
PHP Api Version: 20100412
Zend Module Api No: 20100525
Zend Extension Api No: 220100525
# php -na
Interactive shell
php > dl('luasandbox.so');
php > $extensions = get_loaded_extensions();
php > var_dump($extensions[29]);
string(10) "luasandbox"
The VM was running CentOS release 6.5 (Final)
# php --version
PHP 5.4.28 (cli) (built: May 2 2014 12:58:36)
# gcc --version
gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
When I then added the luasandbox line to LocalSettings.php, the Lua
modules started working.
On Sun, May 11, 2014 at 9:03 PM, Tim Starling <tstarl...@wikimedia.org> wrote:
> On 12/05/14 09:26, Bill Traynor wrote:
>>>> On Fri, May 9, 2014 at 6:05 PM, Bill Traynor <btray...@gmail.com> wrote:
>>>>> I'm trying to get Scribunto working and keep receiving this error when
>>>>> trying to use Modules:
>>>>>
>>>>> Script error: Lua error: Cannot create process: proc_open(/dev/null):
>>>>> failed to open stream: Operation not permitted.
>>>>>
>>>>> Does this mean that proc_open is restricted on my server?
>>>
>>> No, it means /dev/null is not writable (or possibly not readable).
>>
>> Looks right to me:
>>
>> ls -l /dev/null
>> crw-rw-rw- 1 root root 1, 3 Mar 4 01:12 /dev/null
>
> You could confirm it in strace, it will show you the exact open() call
> that failed. RHEL normally has SELinux enabled, doesn't it?
>
> -- Tim Starling
>
>
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