[or-cvs] Clarify GPL note; mention c-ares and libdnsres.

[Nick Mathewson]

Update of /home/or/cvsroot/website
In directory moria:/tmp/cvs-serv28546

Modified Files:
	volunteer.html 
Log Message:
Clarify GPL note; mention c-ares and libdnsres.

Index: volunteer.html
===================================================================
RCS file: /home/or/cvsroot/website/volunteer.html,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -d -r1.28 -r1.29
--- volunteer.html	29 Sep 2005 18:57:13 -0000	1.28
+++ volunteer.html	29 Sep 2005 19:52:18 -0000	1.29
@@ -180,11 +180,15 @@
 resolving a query --- so it requires its own thread or process. So Tor
 is forced to spawn many separate DNS "worker" threads. There are some
 asynchronous DNS libraries out there, but historically they are buggy and
-abandoned. Are any of them stable, fast, clean, and free software? (To
-be clear, it needs to be more free than GPL.) If so
+abandoned. Are any of them stable, fast, clean, and free software? (Remember,
+Tor uses OpenSSL, and OpenSSL is (probably) not compatible with the GPL, so
+any GPL libraries are out of the running.) If so
 (or if we can make that so), we should integrate them into Tor. See <a
 href="http://archives.seul.org/or/talk/Sep-2005/msg00001.html">Agl's
-post</a> for one potential approach.</li>
+post</a> for one potential approach. Also see
+<a href="http://daniel.haxx.se/projects/c-ares/">c-ares</a> and
+<a href="http://www.monkey.org/~provos/libdnsres/">libdnsres</a>.
+</li>
 <li>Tor 0.1.1.x includes support for hardware crypto accelerators via
 OpenSSL. Nobody has ever tested it, though. Does somebody want to get
 a card and let us know how it goes?</li>