[pmwiki-users] authuser.php crash (ref PITS 00737)

[Ben Wilson]

Hmm. I believe I cobbled together dbauth. The currently published
version has issues. Let me hunt down and publish my corrected version.

Ben

On 5/31/06, marc <gmane at auxbuss.com> wrote:
> Hi,
>
> I'm new to PmWiki, so apologies if my terminology is somewhat shaky.
>
> All is well with my installation, and after getting my head around
> authuser and authorization groups, I decided to give authorization via
> MySQL a spin (using dbauth.php).
>
> No problems here either, authentication via the db works fine.
> Excellent.
>
> However, when I add my testing db username to one of my existing
> authorization groups (e.g. @testers: marc changed to @testers: marc,
> test), then attempt to login, authuser.php crashes with:
>
> Fatal error: [] operator not supported for strings in blah\pmwiki
> \scripts\authuser.php on line 60
>
> This is the same bug described here:
> http://www.pmwiki.org/wiki/PITS/00737
>
> Now, usually I would launch into debug mode, but I'm still unfamiliar
> with PmWiki and the crashing code is rather symbolic, so I though I'd
> ask here first.
>
> The offending line 60 in authuser.php is:
>
>         foreach($v[0] as $g) $auth[$g][] = $m[1];
>
> in the code snippet below.
>
>   $pn = FmtPageName($AuthUserPageFmt, $pagename);
>   $apage = ReadPage($pn, READPAGE_CURRENT);
>   if ($apage && preg_match_all("/^\\s*([@\\w][^\\s:]*):(.*)/m",
>                                $apage['text'], $matches,
> PREG_SET_ORDER)) {
>     foreach($matches as $m) {
>       if (!preg_match_all('/\\bldap:\\S+|[^\\s,]+/', $m[2], $v))
>         continue;
>       if ($m[1]{0} == '@')
>         foreach($v[0] as $g) $auth[$g][] = $m[1];
>       else $auth[$m[1]] = array_merge((array)@$auth[$m[1]], $v[0]);
>     }
>   }
>
> The error message is: [] operator not supported for strings, so can
> anyone suggest the next step?
>
> I presume that dbauth.php is passing authuser.php something bad, but I'm
> not sure what.
>
> --
> Best,
> Marc
>
>
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>


-- 
Ben Wilson
"Mundus vult decipi, ergo decipiatur"