zarb-ml/mageia-sysadm/2010-December/001142.html


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   <H1>[Mageia-sysadm] [168] - patch from Maarten Vanraes to fix the issue	of keyprefix with ipv6</H1>
    <B>root at mageia.org</B> 
    <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20%5B168%5D%20-%20patch%20from%20Maarten%20Vanraes%20to%20fix%20the%20issue%0A%09of%20keyprefix%20with%20ipv6&In-Reply-To=%3C20101213231544.46B874015B%40valstar.mageia.org%3E"
       TITLE="[Mageia-sysadm] [168] - patch from Maarten Vanraes to fix the issue	of keyprefix with ipv6">root at mageia.org
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    <I>Tue Dec 14 00:15:44 CET 2010</I>
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<PRE>Revision: 168
Author:   misc
Date:     2010-12-14 00:15:43 +0100 (Tue, 14 Dec 2010)
Log Message:
-----------
- patch from Maarten Vanraes to fix the issue of keyprefix with ipv6

Modified Paths:
--------------
    identity/CatDap/trunk/lib/CatDap/Controller/user.pm

Modified: identity/CatDap/trunk/lib/CatDap/Controller/user.pm
===================================================================
--- identity/CatDap/trunk/lib/CatDap/Controller/user.pm	2010-12-13 23:12:16 UTC (rev 167)
+++ identity/CatDap/trunk/lib/CatDap/Controller/user.pm	2010-12-13 23:15:43 UTC (rev 168)
@@ -114,8 +114,20 @@
 
 sub get_keyprefix : Private {
     my ( $self, $c ) = @_;
-    return sprintf(&quot;%02x%02x%02x&quot;,split /\./,$c-&gt;req-&gt;address);
+    my $keyprefix;
+    if ($c-&gt;req-&gt;address =~ m/:/) {
+        my $address = $c-&gt;req-&gt;address;
+        $address =~ s/\[\]://;
+
+        # if we shift right 104 bits from 128 we have 24 bits left or 3 bytes.
+        $keyprefix = sprintf( &quot;%06x&quot;, $address &gt;&gt; 104 );
+    }
+    else {
+        $keyprefix = sprintf( &quot;%02x%02x%02x&quot;, split /\./, $c-&gt;req-&gt;address );
+    }
+    return $keyprefix;
 }
+
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