[asterisk-dev] [Code Review] Truncate host:port when checking SIP domains and make the URI parsing API more explicit about returning host:port and not a domain

[Simon Perreault]

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Another thing: The term "domain" comes from the SIP RFC. It has a precise meaning. IMHO changing it to "hostport" is wrong and we should prefer using the SIP terms instead of defining our own equivalent terms.

Another reason I'm opposed to the name change is that it creates a lot of frivolous changes in the code which make svn blame|diff|merge|... harder to use.

- Simon


On Nov. 8, 2011, 7:41 p.m., Terry Wilson wrote:
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> (Updated Nov. 8, 2011, 7:41 p.m.)
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> 
> Review request for Asterisk Developers and wdoekes.
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> Summary
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> In reviewing https://reviewboard.asterisk.org/r/1533/ I noticed that going from 1.4 to 1.8, setting domain=x.x.x.x stopped matching when receiving a request to x.x.x.x. The reason is that the parse_uri function returns host:port in what was labeled the "domain" variable in 1.8 when in 1.4 the parsing was done in each individual function and the port truncated manually. For example, peer->fromdomain could be set to a host:port, even though it is specifically split into peer->fromdomain and peer->fromport other places in the code.
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> We can't change the parsing function because sometimes we actually use the host:port form of the result (as in when passing it to ast_sockaddr_resolve_first), so we need to do the truncation manually when appropriate. This patch does two things: 1) it renames the "domain" variables in the API functions to "hostport" to more accurately reflect what we are really returning and 2) implements a truncate_hostport function and uses it where appropriate.
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> Diffs
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>   /branches/1.8/channels/chan_sip.c 343673 
>   /branches/1.8/channels/sip/include/reqresp_parser.h 343673 
>   /branches/1.8/channels/sip/include/sip.h 343673 
>   /branches/1.8/channels/sip/reqresp_parser.c 343673 
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> Diff: https://reviewboard.asterisk.org/r/1574/diff
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> Testing
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> Ran the SIP unit tests and SIP-related testsuite tests and saw no difference in behavior. Set domain=127.0.0.1 and verified register requests started working.
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> Thanks,
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> Terry
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>

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