general/4203: redirect based on 404 turns POST into GET

[Steven Roussey <sr...@network54.com>]

>Number:         4203
>Category:       general
>Synopsis:       redirect based on 404 turns POST into GET
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Tue Apr  6 23:10:01 PDT 1999
>Last-Modified:
>Originator:     sroussey@network54.com
>Organization:
apache
>Release:        1.3.4
>Environment:
Linux 2.0.36
>Description:
I'm using ErrorDocument 404 directive to redirect to index.php3 so that I can lookup the URL in a database and display the corresponding page. This works OK, but when a POST form is used, REQUEST_METHOD is GET, not POST, so PHP does not use the content (even though it has a length, etc.) to create HTTP_POST_VARS.
>How-To-Repeat:
see above
>Fix:
If there is a redirect, the post needs to be redirected (at least for 404 redirects), which means REQUEST_METHOD should be the same as REDIRECT_REQUEST_METHOD.
>Audit-Trail:
>Unformatted:
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