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From Tim Costello <tjcos...@socs.uts.edu.au>
Subject mod_proxy/1889: Incorrect parsing of full URI causes proxy requests to fail
Date Sat, 28 Feb 1998 22:41:14 GMT

>Number:         1889
>Category:       mod_proxy
>Synopsis:       Incorrect parsing of full URI causes proxy requests to fail
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Sat Feb 28 14:50:01 PST 1998
>Originator:     tjcostel@socs.uts.edu.au
>Release:        1.3b5
Windows 95, 4.00.950B
Microsoft Visual C++ 4.0
I have compiled the proxy module into apachecore.dll, because Windows 95 is still unable to
load the proxy module dll at runtime. 

Whenever a proxy request is made, the server responds "BAD REQUEST - Your browser sent a request
that this server could not understand."
Any URL will do, eg. http://www.apache.org/
Start apache as a caching proxy server, then set a browser to use it as a proxy. (I have tried
Opera 3 and Netscape 4.04)
You should get a "BAD REQUEST" error page. 
The problem appears to have been caused by a change in http_protocol.c, between 1.3b3 and
The function concerned is 'check_fulluri'.
When the function attempts to find the hostname in the URI, it copies the leading '://' into
'name', as well as the hostname. The function then thinks that the hostname is ':'.

replace the line
    name = pstrdup(r->pool, uri + plen);
with this line
    name = pstrdup(r->pool, uri + plen + 3);
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