[asterisk-dev] [Code Review] 3267: pjsip: avoid edge case potential crash in answer()

[Joshua Colp]

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Ship it!


Ship It!

- Joshua Colp


On Feb. 26, 2014, 6:52 p.m., Scott Griepentrog wrote:
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> (Updated Feb. 26, 2014, 6:52 p.m.)
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> Review request for Asterisk Developers.
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> Repository: Asterisk
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> Description
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> When accidentally compiling asterisk against a rogue pjproject installation that had a slightly different definition pjsip_inv_session structure, the invite_tsx structure could appear null when answer() is called.  This led to a crash because ast_sip_session_send_response would be called with an uninitialized packet.
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> This patch corrects the uninitialized packet to prevent the crash, and adds a diagnostic message to aid in discovering the cause of the problem (in this case, remove /usr/local/include/pj* to resolve conflicting structure).
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> Diffs
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>   /branches/12/channels/chan_pjsip.c 408931 
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> Diff: https://reviewboard.asterisk.org/r/3267/diff/
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> Testing
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> Thanks,
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> Scott Griepentrog
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