Testwiki

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NURDs Inventory
NoPicture.png
Owner User:FwD
Status Unknown
Hostname testwiki.nurdspace.lan
Location Confusion
Tool No
Tool category
{{{Name}}}
"{{{Name}}}" cannot be used as a page name in this wiki.
"File:{{{Picture}}}" cannot be used as a page name in this wiki.

{{{Picture}}}

{{{InventoryOwner}}}
"{{{InventoryOwner}}}" cannot be used as a page name in this wiki.

Confusion

On this VM I'll create a duplicate of the actual Wiki to test how hooking it up to the LDAP will turn out.

IP: 192.168.1.223

Status

  • Files copied from the real wiki (/root/filestmp)
  • Files put in /var/www/
  • Database dumped from the real wiki
  • Database put in /root/backup.sql
  • Database and files in place, wiki working (http://testwiki.nurdspace.lan/)
  • Ldap plugin installed and working
  • Current problem: the mediawiki login system converts the first character of the username you feed it to uppercase, possibly due to restrictions on usernames. See /tmp/debug.log for this error (when logging in as 'fwd'):
2013-05-22 21:15:50 testwiki nurdspace_wiki: 2.0d Failed to bind as uid=Fwd,ou=people,dc=nurdspace,dc=lan
  • Possible solutions:
  • Turns out $wgLDAPLowerCaseUsername does more than advertised, it converts input usernames completely to lowercase. However, now the skin starts bugging:
[Sat May 25 15:45:32 2013] [error] [client 192.168.1.9] PHP Strict Standards:
 Only variables should be passed by reference in /var/www/skins/GuMax.php on line 172,
 referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
  • and it still won't log in with a correct userdn:
2013-05-25 15:56:26 testwiki nurdspace_wiki: 2.0d Failed to bind as uid=fwd,ou=people,dc=nurdspace,dc=lan
2013-05-25 15:56:26 testwiki nurdspace_wiki: 2.0d Entering strict.
  • With lots of help from Cha0z97 it's now working! Users in the group 'wikiusers' can log in. Admins, bureaucrats and sysops are locally managed.
  • Full addition to LocalSettings.php:
#LDAP Auth
require_once( "$IP/extensions/LdapAuthentication/LdapAuthentication.php" );
$wgAuth = new LdapAuthenticationPlugin();
$wgLDAPDebug = 9;
$wgDebugLogGroups['ldap'] = '/tmp/debug.log';

$wgLDAPDomainNames = array( 'nurdspace.lan', );
$wgLDAPServerNames = array( 'nurdspace.lan' => 'ldap.nurdspace.nl', );
$wgLDAPUseLocal = false;
$wgLDAPEncryptionType = array( 'nurdspace.lan' => 'ssl', );
$wgLDAPSearchStrings = array( 'nurdspace.lan' => 'uid=USER-NAME,ou=people,dc=nurdspace,dc=lan', );
$wgLDAPLowerCaseUsername = array( 'nurdspace.lan' => true );
$wgLDAPRequiredGroups = array( 'nurdspace.lan' => array( 'cn=wikiusers,ou=groups,dc=nurdspace,dc=lan', ) );
$wgLDAPGroupUseFullDN = array( "nurdspace.lan"=>false );
$wgLDAPGroupObjectclass = array( "nurdspace.lan"=>"posixGroup" );
$wgLDAPGroupAttribute = array( "nurdspace.lan"=>"memberUid" );
$wgLDAPGroupSearchNestedGroups = array( "nurdspace.lan"=>false );
$wgLDAPGroupNameAttribute = array( "nurdspace.lan"=>"cn" );
$wgLDAPBaseDNs = array( "nurdspace.lan"=>"dc=nurdspace,dc=lan" );
$wgLDAPUseLDAPGroups = array( "nurdspace.lan"=>true );
$wgGroupPermissions['wikiusers']['edit'] = true;
$wgGroupPermissions['admins'] = $wgGroupPermissions['sysop'];

# This hook is called by the LdapAuthentication plugin. It is a configuration hook. Here we
# are specifying what attibute we want to use for a username in the wiki.
# Note that this hook is NOT called on a straight bind.
# The hook calls the function defined below.
$wgHooks['SetUsernameAttributeFromLDAP'][] = 'SetUsernameAttribute';

Some settings might not be necessary, such as the wgGroupPermissions and wgHooks. I'll do some experimenting to see if it can be cleaned up.

  • What needs to be done when installing is execute the .sql file that comes with the LdapAuthenticate extension:
mysql -uwikiuser -pgodver nurdspace_wiki < /var/www/extensions/LdapAuthentication/ldap.sql
  • This will create a table that is needed by the extension. I should execute it by itself at first run, however, it does not.


Todo

  • It seems renaming/merging users can cause some problems. In the testwiki 2 users have disappeared after renaming and merging them.
  • While looking for errors regarding the disappearing users I came across some other errors in the Apache logging:
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1711, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1712, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1736, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 1 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1743, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1711, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1712, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 0 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1736, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page
[Wed May 29 18:22:18 2013] [error] [client 192.168.1.103] PHP Notice:  Undefined offset: 1 in /var/www/extensions/
 LdapAuthentication/LdapAuthentication.php on line 1743, referer: http://testwiki.nurdspace.lan/index.php5?title=Special:UserLogin&returnto=Main+Page


Relevant files to get this working

  • /var/www/LocalSettings.php - Mediawiki settings file with added ldap authentication extension stuff
  • /tmp/debug.log - debug logging of ldap events from mediawiki (configged by $wgLDAPDebug = 9 and $wgDebugLogGroups['ldap'] = '/tmp/debug.log'
  • /var/log/apache2/error.log - php/apache errors
  • http://testwiki.nurdspace.lan
 
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