From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Wed, 22 Dec 2004 14:19:09 +0000 (+0000)
Subject: SF patch #1055159 via Titus Brown: Document redirect limitation.
X-Git-Tag: v2.5a0~2229
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6414cd8717dfc923b22d8541db1f6e9ebb8dc023;p=thirdparty%2FPython%2Fcpython.git

SF patch #1055159 via Titus Brown: Document redirect limitation.

Bug fix candidate.
---

diff --git a/Doc/lib/libcgihttp.tex b/Doc/lib/libcgihttp.tex
index 3381c64e4a0d..df0728e3f182 100644
--- a/Doc/lib/libcgihttp.tex
+++ b/Doc/lib/libcgihttp.tex
@@ -18,6 +18,11 @@ run CGI scripts.
 on Mac OS it will only be able to run Python scripts within the same
 process as itself.}
 
+\note{CGI scripts run by the \class{CGIHTTPRequestHandler} class cannot execute
+redirects (HTTP code 302), because code 200 (script output follows)
+is sent prior to execution of the CGI script.  This pre-empts the status
+code.}
+
 The \module{CGIHTTPServer} module defines the following class:
 
 \begin{classdesc}{CGIHTTPRequestHandler}{request, client_address, server}
diff --git a/Lib/CGIHTTPServer.py b/Lib/CGIHTTPServer.py
index 47a0e2c37a6e..7a5c8190d82c 100644
--- a/Lib/CGIHTTPServer.py
+++ b/Lib/CGIHTTPServer.py
@@ -14,6 +14,8 @@ requests are executed sychronously.
 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL
 -- it may execute arbitrary Python code or external programs.
 
+Note that status code 200 is sent prior to execution of a CGI script, so
+scripts cannot send other status codes such as 302 (redirect).
 """