https://bz.apache.org/bugzilla/show_bug.cgi?id=69332
Bug ID: 69332
Summary: Strange behavior of nested <If> directives and
mod_rewrite
Product: Apache httpd-2
Version: 2.4.62
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: All
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I posted the same question a week ago on the users@mailing-list. No response,
that's why I'm trying it here:
Steps to Reproduce:
I have the following setup in my httpd.conf inside the <Directory
"/usr/local/apache2/htdocs">:
----
RewriteEngine on
RewriteRule ^nonexists.php$ /target.php?nonexists
RewriteRule ^exists.php$ /target.php?exists
<If "%{HTTP_COOKIE} != 'pear'" >
Header always set x-request-first-if "YES"
<If "%{HTTP_USER_AGENT} != 'apple'" >
Header always set x-request-second-if "YES"
</If>
<Else>
Header always set x-request-second-if "NO"
</Else>
</If>
----
The document root has the following files:
exists.php
target.php
Actual Results:
Requesting these URL gives the following result:
GET nonexists.php:
x-request-first-if: YES
GET exists.php:
x-request-first-if: YES
GET target.php:
x-request-first-if: YES
x-request-second-if: YES
Expected result:
Nested if also gets evaluated even for rewritten requests.
Additional Information:
It even gets a little "spookier". Added a "dummy if" on the
REDIRECT_STATUS and now its working:
----
RewriteEngine on
RewriteRule ^nonexists.php$ /target.php?nonexists
RewriteRule ^exists.php$ /target.php?exists
<If "%{ENV:REDIRECT_STATUS} == 200">
</If>
<If "%{HTTP_COOKIE} != 'pear'" >
Header always set x-request-first-if "YES"
<If "%{HTTP_USER_AGENT} != 'apple'" >
Header always set x-request-second-if "YES"
</If>
<Else>
Header always set x-request-second-if "NO"
</Else>
</If>
----
GET nonexists.php:
x-request-first-if: YES
x-request-second-if: YES
GET exists.php:
x-request-first-if: YES
x-request-second-if: YES
GET target.php
x-request-first-if: YES
x-request-second-if: YES
Could someone explain to me what this behavior is exactly?
I get the same behavior for FreeBSD apache 2.4.62 and the httpd:2.4.62
docker image. I could easily provide my containerized test-setup if
needed.
Thanks for your help.
- Pascal
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