[asterisk-dev] [Code Review] 4187: res_pjsip_refer: Ensure Refer-To is NULL terminated and parse it as a URI

[Matt Jordan]

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/branches/12/res/res_pjsip_refer.c
<https://reviewboard.asterisk.org/r/4187/#comment24280>

    Why is it safe to modify the refer_to->hvalue.ptr directly? I would have thought we'd have to allocate a buffer and copy the header before manipulating it.


- Matt Jordan


On Nov. 16, 2014, 5:36 p.m., Joshua Colp wrote:
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> https://reviewboard.asterisk.org/r/4187/
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> (Updated Nov. 16, 2014, 5:36 p.m.)
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> Review request for Asterisk Developers.
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> Bugs: ASTERISK-24508
>     https://issues.asterisk.org/jira/browse/ASTERISK-24508
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> Repository: Asterisk
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> Description
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> Currently when parsing the Refer-To header there is no guarantee that it will be NULL terminated. It is also parsed as a 'To' header when in reality it should be parsed as a URI as parsing as a 'To' header may sometimes (seemingly) fail. This change fixes both.
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> Diffs
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>   /branches/12/res/res_pjsip_refer.c 427708 
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> Diff: https://reviewboard.asterisk.org/r/4187/diff/
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> Testing
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> Did transfers, confirmed they still work.
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> Provided patch to reporter and they confirmed it fixed the issue.
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> Thanks,
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> Joshua Colp
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