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From Alexander Lazic <al-apache...@none.at>
Subject Possiblebug in mod_rewrite %{ENV:vars}
Date Wed, 23 Oct 2002 18:40:13 GMT
Hi,

i have tested the apache 2.0.43 with mod_rewrite and can't expand the
%{ENV:SSL_CIPHER} nor %{ENV:GATEWAY_INTERFACE} in the '/cgi-bin/'-dir.

I think i have found the possible failure/bug in the function
'do_expand' on line 2433 in mod_rewrite.c:

span = apr_cpystrn(outp, lookup_variable(r, var), space) - outp;

due the fact that i'am not very familiar with the apr/apache-function i
hope the maintainer can remove the bug ;-))

I have add the following line in my 'mod_rewrite.c' for debugging
purpose:

rewritelog(r, 4, "do_expand VarIn='%s'\n", var);
rewritelog(r, 4, "do_expand Varout='%s'\n", outp);
rewritelog(r, 4, "do_expand Space='%d'\n", space);
rewritelog(r, 4, "do_expand Span='%d'\n", span);

My Setup:

./configure --prefix=/opt/apache2 --with-mpm=worker --enable-rewrite --enable-ssl

# pwd
/opt/apache2

# bin/httpd -v
Server version: Apache/2.0.43
Server built:   Oct 23 2002 17:06:02

# bin/httpd -l
Compiled in modules:
  core.c
  mod_access.c
  mod_auth.c
  mod_include.c
  mod_log_config.c
  mod_env.c
  mod_setenvif.c
  mod_ssl.c
  worker.c
  http_core.c
  mod_mime.c
  mod_status.c
  mod_autoindex.c
  mod_asis.c
  mod_cgid.c
  mod_negotiation.c
  mod_dir.c
  mod_imap.c
  mod_actions.c
  mod_userdir.c
  mod_alias.c
  mod_rewrite.c
  mod_so.c

from ssl.conf:

RewriteEngine On
RewriteLog logs/rewrite.log
RewriteLogLevel 9

RewriteCond %{ENV:SSL_CIPHER} ^RC4-SHA* [OR]
RewriteCond %{ENV:SSL_PROTOCOL} ^TLSv1* [OR]
RewriteCond %{ENV:GATEWAY_INTERFACE} ^CGI/1.1*
RewriteRule ^/cgi-bin/printenv* /cgi-bin/test-cgi

al ;-)

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