[asterisk-dev] [Code Review] 2452: Fix Distributed Device State broken at sites using res_xmpp or res_jabber where Secuity Advisory AST-2012-015 is inplace.

[Joshua Colp]

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https://reviewboard.asterisk.org/r/2452/
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(Updated April 18, 2013, 11:30 a.m.)


Status
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This change has been marked as submitted.


Review request for Asterisk Developers.


Bugs: ASTERISK-21429
    https://issues.asterisk.org/jira/browse/ASTERISK-21429


Repository: Asterisk


Description
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The site that doesn't update it's devicestates from the remotesite is the site with ASR-2012-015 inplace.

This fixes the scenario where one site doesn't send the IE cachable=1 in the XMPP/Jabber message, to a newer system that expects to see it.

If the IE 'cachable' isn't present we need to default to AST_DEVSTATE_CACHABLE.
 Assigning the cachable variable directly from ast_event_get_ie_uint is wrong, if the IE 'cachable' isn't found ast_event_get_ie_uint() will return 0, 0 = AST_DEVSTATE_NOT_CACHABLE

We need to read the 'cachable' IE into a string first, allowing us to check that it exists, if it doesn't exist then default to cachable=AST_DEVSTATE_CACHABLE.
 If the 'cachable' IE does exist, then convert to a uint, validate value and go with it.


Caused by:
https://issues.asterisk.org/jira/browse/ASTERISK-20175


Diffs
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  branches/11/main/devicestate.c 385594 
  branches/11/res/res_jabber.c 385594 
  branches/11/res/res_xmpp.c 385594 

Diff: https://reviewboard.asterisk.org/r/2452/diff/


Testing
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Yes, change device state, at either site, and it's reflected in the other. One site is prior to ASTERISK-21075.

Tested both sites at r385594, and states correct at both sites.


Thanks,

Alec Davis

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