[asterisk-dev] [Code Review] SIP URI comparison test (plus some bug fixes)

David Vossel dvossel at digium.com
Mon Jul 19 17:53:43 CDT 2010


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I just looked at this super briefly and made some comments.  I'll try and look at this in more depth later. 


/trunk/channels/sip/reqresp_parser.c
<https://reviewboard.asterisk.org/r/792/#comment5347>

    If there is no scheme in the uri (which is not valid but happens occasionally) this will crash on the strcmp.  I noticed that there was a comment in the old code that said the scheme must be present because parse_request checks it.  I'm guessing this is still the case, but this still looks scary to me.



/trunk/channels/sip/reqresp_parser.c
<https://reviewboard.asterisk.org/r/792/#comment5346>

    instead of doing a log warning, it would be better to use the ast_test_status_update so this error will get logged.


- David


On 2010-07-19 15:27:08, Mark Michelson wrote:
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> (Updated 2010-07-19 15:27:08)
> 
> 
> Review request for Asterisk Developers and Olle E Johansson.
> 
> 
> Summary
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> Issue 17662 was opened by oej since he discovered that using a string comparison for domains was not a viable solution since IPv6 addresses may be represented in many different ways, all of which are considered to be the same address. The patch attached on that issue was my initial attempt at solving the issue.
> 
> While I was dabbling in the area, I felt it would be a good idea to add a SIP URI comparison internal test to be sure that all the logic was correct. What I found was that in many regards, the comparison of URI parameters was not working as it should be. That being the case, I largely rewrote the logic of sip_uri_params_cmp() to work correctly.
> 
> All SIP URI comparison code has been moved to channels/sip/reqresp_parser.c, including the new test. If you have good ideas for test cases that I haven't thought of yet, please feel free to add comments to the review request.
> 
> Also of note, the bugs I found in sip_uri_params_cmp() affect 1.4 and 1.6.2 as well. My plan is to backport the bugfixes to those branches as well once I get a "Ship it!" on this review.
> 
> 
> This addresses bug 17662.
>     https://issues.asterisk.org/view.php?id=17662
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> 
> Diffs
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>   /trunk/channels/chan_sip.c 277873 
>   /trunk/channels/sip/include/reqresp_parser.h 277813 
>   /trunk/channels/sip/reqresp_parser.c 277813 
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> Diff: https://reviewboard.asterisk.org/r/792/diff
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> 
> Testing
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> The new set of tests passes.
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> 
> Thanks,
> 
> Mark
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>




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