[Xymon] Is there a reason why the httpstatus test is case sensitive?

J.C. Cleaver cleaver at terabithia.org
Fri Apr 10 08:05:47 CEST 2015



On Wed, April 1, 2015 10:58 am, John Thurston wrote:
> On 4/1/2015 9:47 AM, J.C. Cleaver wrote:
>>
>>
>> On Wed, April 1, 2015 10:07 am, John Thurston wrote:
>>> Yesterday, I crashed xymonnet by doing a copy/paste into an httpstatus
>>> test. I eventually figured out what was wrong.
>>>
>>> This syntax is good:
>>>     0.0.0.0  foo.com   # httpstatus;http://foo.com/index.html;401
>>> This syntax is bad:
>>>     0.0.0.0  foo.com   # httpstatus;HTTP://foo.com/index.html;401
>>>
>>> The man page for hosts.cfg doesn't say anything about required or
>>> supported casing. Is there some reason why xymonnet shouldn't be able
>>> to
>>> handle mixed-case protocol names in the URLs provided?
>>>
>>
>>
>> John,
>>
>>
>> Can't think of any... Case preservation should be done for the path, but
>> the protocol is irrelevant there. https://www.ietf.org/rfc/rfc1738.txt
>> calls it out as a 'should', so it seems like a bug (I believe
>> parse_url()
>> in lib/url.c). I'll roll this in.
>>
>> Curious, did you get any sort of error log output before it went down?
>> Aside from case-insensitive matching, it's an indication we're not doing
>> sufficient error checking later on somewhere.
>
> Yes. I received:
>   2015-03-31 14:39:34 Unknown URL scheme 'HTTP' in URL
> 'HTTP://foo.com:9080'
>
> which looks like it comes from lib/url.c following a case-sensitive
> match of startp against a list of possible types.
>
> Thanks for your quick attention.


This is fixed in 4.3.20.


Regards,

-jc




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