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From Dimitris Michelinakis <s...@altered.com>
Subject mod_cgi/8032: CGI's are not allowed to set HTTP/1.x responce headers.
Date Sun, 15 Jul 2001 13:14:03 GMT

>Number:         8032
>Category:       mod_cgi
>Synopsis:       CGI's are not allowed to set HTTP/1.x responce headers.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    apache
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Sun Jul 15 06:20:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     sehh@altered.com
>Release:        1.3.xx
>Organization:
apache
>Environment:
OS/2 Warp Server for e-business ACP level
TCPIP 4.3
>Description:
When i try to set for example a responce from a CGI to 301 Moved permanently,
i get an Internal Server Error.

It seems that Apache won't allow the CGI script to set the HTTP/1.x responce
header, it only allows it to start with the usual Content-type header.
>How-To-Repeat:
Create a cgi script which outputs:

HTTP/1.0 301 Moved Permanently
Content-type: text/html
Location: http://www.apache.org

<html><body>Moved to http://www.apache.org</body></html>

This output should actually redirect your browser to http://www.apache.org,
but it won't do it with Apache, it works fine with other web servers.
>Fix:
Apache should check if the first thing the CGI writes to STDOUT is an
HTTP header, and replace its own with the one the CGI gave us.
>Release-Note:
>Audit-Trail:
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