Tiny problem with knits and http (double-encoding?)

[John Arbash Meinel]

Lalo Martins wrote:
> On Sat, 29 Apr 2006 10:16:17 -0500, John Arbash Meinel wrote:
>> However, your server seems to be double unescaping this to translate:
>>
>> %254d => M (%25=>%, and %4d=> M)
>>
>> At least the error message is:
>> The requested URL
>> /bzr/vos/.bzr/repository/knits/9b/Makefile.am-20060328145850-abc9b80cb43dfb63.kndx
>> was not found on this server.
>>                                 ^^^^^^ See it translated it back to "M"
> 
> That's... really weird.
> 
>> You seem to be running Apache 1.3.33, while I am running apache 2.0.54
> 
> dpkg -s apache2 | grep '^Version'
> Version: 2.0.54-5ubuntu1

Well, when I went to this bogus page:
http://lalo.revisioncontrol.net/bzr/vos/.bzr/repository/knits/9b/%%254dakefile.am-20060328145850-abc9b80cb43dfb63.kndx
(a doubled %%)

I got an error which reports itself as Apache 1.3.33


> 
> And the bug report you pasted is not an apache bug, it's some XML library.
> In fact, doing just what you did (putting the same file on my local
> apache) works just fine.
> 
> Hmm, it seems the blame does not belong to apache after all.  This site is
> running behind a reverse proxy on JBlack's server, and it seems the proxy
> is removing one level of quoting, so what finally gets to apache is
> already unusable.  Now why would a proxy do that...
> 
> best,
>                                                Lalo Martins

But yes, somebody is escaping things twice.

John
=:->


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