Files
asterisk/channels
Mark Michelson bd0383c3be Merged revisions 194496 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r194496 | mmichelson | 2009-05-14 17:20:51 -0500 (Thu, 14 May 2009) | 30 lines
  
  Merged revisions 194484 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
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    r194484 | mmichelson | 2009-05-14 17:17:55 -0500 (Thu, 14 May 2009) | 24 lines
    
    Fix a race condition where a reinvite could trigger a 482 response.
    
    The loop detection/spiral detection code in chan_sip used the owner
    channel's state as a criterion for determining if the incoming INVITE
    is a looped request. The problem with this is that the INVITE-handling
    code happens in a different thread than the thread that marks the owner
    channel as being up. As a result, if a reinvite were to come in very quickly,
    say from another Asterisk on the same LAN, it was possible for the reinvite
    to arrive before the owner channel had been set to the up state.
    
    This patch corrects the problem by using the invitestate of the sip_pvt
    instead, since that can be guaranteed to be set correctly by the time
    the reinvite arrives. Since there is a switch statement further in the
    INVITE-handling code, the AST_STATE_RINGING state also checks the invitestate
    of the sip_pvt in case we should actually be treating the channel as if it were
    up already.
    
    (closes issue #12215)
    Reported by: jpyle
    Patches:
          12215_confirmed.patch uploaded by mmichelson (license 60)
    Tested by: lmadsen
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@194504 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2009-05-14 22:22:44 +00:00
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2008-01-09 18:03:40 +00:00
2007-12-11 22:20:22 +00:00