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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 31128] New: - CacheDisable doesn't work
Date Wed, 08 Sep 2004 19:12:19 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=31128

CacheDisable doesn't work

           Summary: CacheDisable doesn't work
           Product: Apache httpd-2.0
           Version: 2.0-HEAD
          Platform: Sun
        OS/Version: Solaris
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: mod_cache
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: rmc@dds.nl


When any CacheDisable directive is used, no content whatsoever is cached by
mod_cache.

Bug found in 2.0.51-rc2, present in 2.0-HEAD, not present in 2.0.50. Found on
Solaris 8/SPARC/gcc, verified on Fedora Core 2/Athlon/gcc.

Steps to reproduce:
- Use 2.0.51-rc2, including mod_cache, all modules built static, no third party
modules, built from pristine sources from httpd.apache.org/dev/dist/
- Use configuration directives:
CacheEnable disk /
CacheRoot /cache
- Content will be cached normally
- Clean out cache and add directive: CacheDisable /foo/
- No content at all is cached anymore, including content not under /foo

Some debugging shows that the urllen field of struct cache_disable is always 0,
causing the CacheDisable test to always succeed, causing mod_cache to always
decline to cache (this all in cache_util.c). Strangely enough, the urllen does
appear to be set correctly when the config file is parsed (mod_cache.c).

Removing the urllen field from structs cache_enable and cache_disable, and
replacing references to the field with strlen() calls fixes the problem.

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