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GoogleTalk on PocketPC
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Alex 2005-12-23, 10:29 #16
Member since Feb 2003 · 4433 posts · Location: Germany
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Hi Sean,

this is exactly the position where the library(client) is sending the StartTLS command over the socket. Its switching here from unencryped socket to TLS encryped socket. With a async stream the Mono Security library had problems here in older versions. So i was sending a space here which starts all the SSL stuff, and after that the real data. This is no problem because the space is just a ignored whitespace in XMPP between stanzas.

It would be easier if you try first the the "old style SSL " working, and after that the StartTLS stuff. For the old SSL you have to set UseSSL = true, and Port =5223, UseTLS should be false but i think it doent matter.
With this settings the socket is SSL from the beginning, if your server is configured to listen for SSL sockets on port 5223.

Alex
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Sean 2005-12-23, 10:33 #17
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Hi Alex,

I am trying to connect to googletalk which requires TLS. Do I need to implement the send part myself?

Thanks,

Sean
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Alex 2005-12-23, 10:42 #18
Member since Feb 2003 · 4433 posts · Location: Germany
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no, everything for TLS is implemented, its works perfect with GoogleTalk and the "Desktop" framework.

Alex
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Sean 2005-12-23, 10:53 #19
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OK, I will try to re-implement this on pocket pc. I will be away for a week so I will update you when I get back.
Have a good Christmas,

Sean.
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Alex 2005-12-23, 11:02 #20
Member since Feb 2003 · 4433 posts · Location: Germany
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Hi Sean,

if your SSL library is working like Mono.Security or the new SSLStream in .NET 2.0 it should work without any changes in the code.
If you publish your XML library i can also try this over christmas. Or is your lib closed source?

Alex
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Sean 2005-12-23, 11:14 #21
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Hi Alex,

The project is as yet, neither Open or closed source, as it is still in it's infancy. If I send you the implementation of Mono I have been working on will this have any implications on my rights to use it with agsxmpp comercially in the future?

Sean.
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Alex 2005-12-23, 13:36 #22
Member since Feb 2003 · 4433 posts · Location: Germany
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i sent a private mail to you

Alex
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Alex 2005-12-23, 17:18 #23
Member since Feb 2003 · 4433 posts · Location: Germany
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Hi Sean,

here is also a very good small sample to test the SSL TLS implementation.
http://bugzilla.ximian.com/show_bug.cgi?id=75687

Alex
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kltye 2006-08-02, 15:13 #24
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I hate to bring up an old topic, but has any progress been made on this? After much experimenting, I just realized this won't work on Pocket PCs :P
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Jabberer 2006-08-02, 16:15 #25
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Hello,

Google-Talk allows only secure connections (SSL or TLS). There is no SSLStream included in the compact Framework.
You can connect to any XMPP server which allows non secured connections. This are nearly all XMPP servers, but not GTalk.
Alex and Sean both started to work on a port of Mono.Security to CF2.0. I think both were stuck in a similar problem and never finished it. Any help on this topic is appreciated. We at AG-Software are currently busy with other stuff and moved the priority of SSL for compact Framework to low.
Software Developer
AG-Software
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Alex 2006-09-29, 23:37 #26
Member since Feb 2003 · 4433 posts · Location: Germany
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Hello,

You can connect to GTalk without SSL if you use the X-GOOGLE-TOKEN authentication.
All you have to do is create a new SASL mechanism class in agsXMPP for X-GOOGLE-TOKEN authentication.

Alex
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Alex 2006-10-01, 18:08 #27
Member since Feb 2003 · 4433 posts · Location: Germany
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Hello,

we implemented X-GOOGLE-TOKEN authentication. So agsXMPP is able to connect to GTalk also on PPC and Smartphone now. We will commit this code soon to SVN and it will be in the next release.
Contact us by Email if you want test the code before we commited it.

Alex
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