[asterisk-dev] [Code Review] 3789: media formats: Don't set sip_cfg.caps on a pvt's caps during allocation

[Matt Jordan]

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https://reviewboard.asterisk.org/r/3789/
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Review request for Asterisk Developers.


Repository: Asterisk


Description
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This patch removes appending the capabilities from sip_cfg.caps to p->caps during the SIP pvt allocation. Without this patch, invalid offers that do not contain any matching codecs to a peer's definition will be accepted, as the pvt will have the default capabilities added to them. This causes the decline_incompat_audio.xml SIPp scenario to fail in the SDP_offer_answer test.

As it turns out, it shouldn't be necessary to copy the formats from sip_cfg.caps to p->caps in the pvt constructor anyway. sip_new will already default back to sip_cfg.caps if there is no peer capabilities, and if there are no known capabilities in the pvt.


Diffs
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  ./team/group/media_formats-reviewed-trunk/channels/chan_sip.c 418614 

Diff: https://reviewboard.asterisk.org/r/3789/diff/


Testing
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All SIPp scenarios in SDP_offer_answer pass with this patch and the crash fix in r3788.


Thanks,

Matt Jordan

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