[Pidgin] #2186: DIGEST-MD5 via sasl broken in pidgin-2.0.1+; works without sasl

[Pidgin]

#2186: DIGEST-MD5 via sasl broken in pidgin-2.0.1+; works without sasl
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  Reporter:  ade        |       Owner:        
      Type:  defect     |      Status:  closed
  Priority:  minor      |   Milestone:  2.3.2 
 Component:  libpurple  |     Version:  2.0.1 
Resolution:  fixed      |    Keywords:        
   Pending:  0          |  
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Changes (by evands at pidgin.im):

  * status:  new => closed
  * resolution:  => fixed
  * milestone:  => 2.3.2

Comment:

 (In [f6430c7013d08f95c60248eeb22c752a0107499b]) The DIGEST-MD5
 implementation of CYRUS-SASL is incompatible with the implementation in
 Java.  The result is that we failed to authenticate to Java-based servers
 such as OpenFire when DIGEST-MD5 was enabled. This appears to be the
 result of a bug in the Java SASL library.  While we -could- wait for a fix
 within that library and tell our users that server admins need to upgrade
 to get the fix, a client-side workaround is very easily accessible to us.

 Our own implementation (used when compiled with SASL support) works fine.
 We therefore will make use of it when SASL chooses DIGEST-MD5 as the best
 auth mechanism.

 Fixes #2095. Fixes #2186.
 Also fixes http://trac.adiumx.com/ticket/8135.

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Ticket URL: <http://developer.pidgin.im/ticket/2186#comment:9>
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