[Pidgin] #48: Make SIP/SIMPLE work with Microsoft Live Communication Server

[Pidgin]

#48: Make SIP/SIMPLE work with Microsoft Live Communication Server
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 Reporter:  MarkDoliner    |        Owner:  shulman
     Type:  patch          |       Status:  new    
Milestone:                 |    Component:  SIMPLE 
  Version:  2.0            |   Resolution:         
 Keywords:  MS LCS SIMPLE  |  
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Comment(by gburt):

 I pushed some fixes to the Kerberos auth code so it works w/o any code
 changes for me - just have to set auth user/domain/realm in the account
 prefs, and check the Use Kerberos box.  So we're now in the same position
 with Kerberos as we were with NTLM - we can authenticate and send messages
 by reauthenticating for each one, but we can't respond to messages because
 you can't reauthenticate when you respond, you have to use existing auth
 and sign the message.

 I've made some progress with the GSS-API to the point where I can get a
 valid-looking MIC (signature) from the gss_get_mic function, and I have a
 lot of the code written to collect the various header we need to
 concatenate and feed to the get_mic function.

 It seems that the server (OCS 2007) isn't signing its messages either (eg
 the 200 OK REGISTER response), so I'm trying to figure out why not.

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Ticket URL: <http://developer.pidgin.im/ticket/48#comment:139>
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