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+ <H1>[Mageia-sysadm] [163] - do not let users take a username that is used by the system ( will be</H1>
+ <B>root at mageia.org</B>
+ <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20%5B163%5D%20-%20do%20not%20let%20users%20take%20a%20username%20that%20is%0A%20used%20by%20the%20system%20%28%20will%20be&In-Reply-To=%3C20101206011553.E394A3FDB8%40valstar.mageia.org%3E"
+ TITLE="[Mageia-sysadm] [163] - do not let users take a username that is used by the system ( will be">root at mageia.org
+ </A><BR>
+ <I>Mon Dec 6 02:15:53 CET 2010</I>
+ <P><UL>
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+<!--beginarticle-->
+<PRE>Revision: 163
+Author: misc
+Date: 2010-12-06 02:15:53 +0100 (Mon, 06 Dec 2010)
+Log Message:
+-----------
+- do not let users take a username that is used by the system ( will be
+completed with a 2nd configurable check, this one is just to take care of default
+users from the system )
+
+Modified Paths:
+--------------
+ identity/CatDap/trunk/lib/CatDap/Controller/register.pm
+
+Modified: identity/CatDap/trunk/lib/CatDap/Controller/register.pm
+===================================================================
+--- identity/CatDap/trunk/lib/CatDap/Controller/register.pm 2010-11-27 19:49:21 UTC (rev 162)
++++ identity/CatDap/trunk/lib/CatDap/Controller/register.pm 2010-12-06 01:15:53 UTC (rev 163)
+@@ -51,6 +51,16 @@
+ if (! $c-&gt;validate_captcha($c-&gt;req-&gt;param('validate'))){
+ push @errors, $c-&gt;loc('Incorrect validation text, please try again');
+ }
++
++ if ( ! open( my $etcpasswd, &quot;/etc/passwd&quot;)) {
++ push @errors, $c-&gt;loc('Cannot check /etc/passwd, please warn system administrators');
++ } else {
++ if ( grep { /^$username:/ } &lt;$etcpasswd&gt; ) {
++ push @errors, $c-&gt;loc('Invalid username, already used by system');
++ }
++ close($etcpasswd);
++ }
++
+ if ($c-&gt;request-&gt;params-&gt;{gn} !~ /^\p{IsAlnum}+$/) {
+ push @errors, $c-&gt;loc(
+ 'The first name supplied contains illegal characters'
+-------------- next part --------------
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+</PRE>
+
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