Ubuntu
ltsp-cluster-control package

ltsp-cluster-control not working with PHP7

Bug #1667244 reported by Thomas Naefken
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ltsp-cluster-control (Ubuntu)
New
Undecided
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Bug Description

OS: Ubuntu 16.04.2 LTS
Package : ltsp-cluster-control, version : 2.0.3-0ubuntu3
Further packages : apache2, PHP7

The script "ltsp-cluster-control/Admin/util/functions.php" uses the PHP-function "ereg_replace" (lines 82 and 84), which doesn't exist in PHP7.

--- snip ---
if($CONFIG["use_https"]=="false"){
  header("Location: http://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
}else{
  header("Location: https://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
}
--- snap ---

This error avoids "admin.php" to be executed.

Using the CLI and callig the admin.php manually, I get the error message (some warnings omitted here) :

--- snip ---
php /usr/share/ltsp-cluster-control/Admin/admin.php
...
PHP Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /usr/share/ltsp-cluster-control/Admin/util/functions.php:82
Stack trace:
#0 /usr/share/ltsp-cluster-control/Admin/util/functions.php(206): ltsp_goto()
#1 /usr/share/ltsp-cluster-control/Admin/util/check.php(31): isSession()
#2 /usr/share/ltsp-cluster-control/Admin/admin.php(23): include('/usr/share/ltsp...')
#3 {main}
  thrown in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 82
--- snap ---

Same problem here: (ubuntu 16.04 and PHP7)

php -f /usr/share/ltsp-cluster-control/Admin/admin.php
PHP Notice: Undefined index: ldap_host in /usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 213
PHP Notice: Undefined index: ldap_version in /usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 216
PHP Notice: Undefined index: auth_state in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 205
PHP Notice: Undefined index: auth_state in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 71
PHP Notice: Undefined index: HTTP_X_FORWARDED_HOST in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 77
PHP Notice: Undefined index: HTTP_HOST in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 80
PHP Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /usr/share/ltsp-cluster-control/Admin/util/functions.php:82
Stack trace:
#0 /usr/share/ltsp-cluster-control/Admin/util/functions.php(206): ltsp_goto()
#1 /usr/share/ltsp-cluster-control/Admin/util/check.php(31): isSession()
#2 /usr/share/ltsp-cluster-control/Admin/admin.php(23): include('/usr/share/ltsp...')
#3 {main}
  thrown in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 82

Hope ltsp-cluster people can do some upgrade here.

See original description
Dariosh Rizi (dnr-f)
description: updated
Revision history for this message
Dariosh Rizi (dnr-f) wrote :

I solved this problem by installing PHP5.6 parallel with PHP7:
===============================================================
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install php5.6 php5.6-mysql php5.6-pgsql php-gettext php5.6-mbstring php-mbstring php-xdebug libapache2-mod-php5.6

sudo a2dismod php7.0
sudo a2enmod php5.6

Restart the Apache2 and Postgresql:
sudo service apache2 restart
sudo service postgresql restart

Open your Firefox and go to the admin web page.

http://ltsp1/ltsp-cluster-control/Admin/admin.php
its working now for me.
Ubuntu 16.04 LTS

Dariosh Rizi

Revision history for this message
Thomas Naefken (tnaefken) wrote : Re: [Bug 1667244] Re: ltsp-cluster-control not working with PHP7
Download full text (3.8 KiB)

Hi, Dariosh,

many thanks for your detailed information !

I will try it later - maybe in some weeks unfortunately ;-(

Have a nice weekend,

Thomas

Am 2018-02-16 9:48, schrieb Dariosh Rizi:

> I solved this problem by installing PHP5.6 parallel with PHP7:
> ===============================================================
> sudo add-apt-repository ppa:ondrej/php
> sudo apt-get update
> sudo apt-get install php5.6 php5.6-mysql php5.6-pgsql php-gettext php5.6-mbstring php-mbstring php-xdebug libapache2-mod-php5.6
>
> sudo a2dismod php7.0
> sudo a2enmod php5.6
>
> Restart the Apache2 and Postgresql:
> sudo service apache2 restart
> sudo service postgresql restart
>
> Open your Firefox and go to the admin web page.
>
> http://ltsp1/ltsp-cluster-control/Admin/admin.php
> its working now for me.
> Ubuntu 16.04 LTS
>
> Dariosh Rizi
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1667244
>
> Title:
> ltsp-cluster-control not working with PHP7
>
> Status in ltsp-cluster-control package in Ubuntu:
> New
>
> Bug description:
> OS: Ubuntu 16.04.2 LTS
> Package : ltsp-cluster-control, version : 2.0.3-0ubuntu3
> Further packages : apache2, PHP7
>
> The script "ltsp-cluster-control/Admin/util/functions.php" uses the
> PHP-function "ereg_replace" (lines 82 and 84), which doesn't exist in
> PHP7.
>
> --- snip ---
> if($CONFIG["use_https"]=="false"){
> header("Location: http://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
> }else{
> header("Location: https://".$prefix.ereg_replace('/[^/]*\.php$','/',$_SERVER['PHP_SELF']).$page.$param);
> }
> --- snap ---
>
> This error avoids "admin.php" to be executed.
>
> Using the CLI and callig the admin.php manually, I get the error
> message (some warnings omitted here) :
>
> --- snip ---
> php /usr/share/ltsp-cluster-control/Admin/admin.php
> ...
> PHP Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /usr/share/ltsp-cluster-control/Admin/util/functions.php:82
> Stack trace:
> #0 /usr/share/ltsp-cluster-control/Admin/util/functions.php(206): ltsp_goto()
> #1 /usr/share/ltsp-cluster-control/Admin/util/check.php(31): isSession()
> #2 /usr/share/ltsp-cluster-control/Admin/admin.php(23): include('/usr/share/ltsp...')
> #3 {main}
> thrown in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 82
> --- snap ---
>
> Same problem here: (ubuntu 16.04 and PHP7)
>
> php -f /usr/share/ltsp-cluster-control/Admin/admin.php
> PHP Notice: Undefined index: ldap_host in /usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 213
> PHP Notice: Undefined index: ldap_version in /usr/share/ltsp-cluster-control/Admin/util/text-en.php on line 216
> PHP Notice: Undefined index: auth_state in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 205
> PHP Notice: Undefined index: auth_state in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 71
> PHP Notice: Undefined index: HTTP_X_FORWARDED_HOST in /usr/share/ltsp-cluster-control/Admin/util/functions.php on line 77
> PHP Notice: Undefined index: HTTP_HOST in /usr/share/ltsp-cluster-c...

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