[asterisk-dev] [Code Review] Ensure SIP responses only have one Via header

[Simon Perreault]

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A single Via header may contain multiple comma-separated header field values. I don't see this case being handled.

- Simon


On 2010-11-18 14:34:42, Terry Wilson wrote:
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> (Updated 2010-11-18 14:34:42)
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> Review request for Asterisk Developers and David Vossel.
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> Summary
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> 8.1.3.3 Vias
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>    If more than one Via header field value is present in a response, the
>    UAC SHOULD discard the message.
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>       The presence of additional Via header field values that precede
>       the originator of the request suggests that the message was
>       misrouted or possibly corrupted.
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> 
> Diffs
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>   /branches/1.4/channels/chan_sip.c 295442 
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> Diff: https://reviewboard.asterisk.org/r/1019/diff
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> Testing
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> Used sipp to send a request with an extra via header; it was ignored. Valid responses still passed normally.
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> Thanks,
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> Terry
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>

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