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Posted to bugs@httpd.apache.org by bu...@apache.org on 2017/02/08 00:08:49 UTC
[Bug 60706] New: Undefined behavior in
http_protocol::ap_method_name_of
https://bz.apache.org/bugzilla/show_bug.cgi?id=60706
Bug ID: 60706
Summary: Undefined behavior in http_protocol::ap_method_name_of
Product: Apache httpd-2
Version: 2.4.25
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Core
Assignee: bugs@httpd.apache.org
Reporter: mustangcoupe69@gmail.com
Target Milestone: ---
We are using a module that makes use of http_protocol::ap_method_name_of. The
behavior seems to have changed and it returns HEAD or GET rather than the
expected GET. Restarting httpd randomly changes which method is returned for
the duration of the runtime. This commit shows a change between 2.4.25 and
2.4.23 and seems potentially accounts for the behavior.
https://github.com/apache/httpd/commit/2ba0ab8759920e11ecff5f2e04d7f019437a91c7#diff-e7207107d352028110203509bdfd8130
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[Bug 60706] Undefined behavior in http_protocol::ap_method_name_of
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60706
--- Comment #2 from Ruediger Pluem <rp...@apache.org> ---
(In reply to Eric Covener from comment #1)
>
> Revert or special case the reverse lookup of M_GET?
I guess we need a special case (no idea how to do it) as otherwise
HTTPProtocolOptions registeredmethods becomes broken. Or we revert and fix
HTTPProtocolOptions registeredmethods by other means for HEAD requests.
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[Bug 60706] Undefined behavior in http_protocol::ap_method_name_of
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60706
--- Comment #1 from Eric Covener <co...@gmail.com> ---
A little more info about the original change in the backport:
- *) mod_http: Add the HEAD method to the lookup hash for completeness.
- Trunk version of patch:
- http://svn.apache.org/r1753257
- Backport version for 2.4.x of patch:
- Trunk version of patch works
- +1: wrowe, ylavic, sf
/**
* Get the method name associated with the given internal method
* number. Returns NULL if not recognized.
* @param p A pool to use for temporary allocations.
* @param methnum An integer value corresponding to an internal method number
* @return The name corresponding to the method number
*/
AP_DECLARE(const char *) ap_method_name_of(apr_pool_t *p, int methnum);
Revert or special case the reverse lookup of M_GET?
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[Bug 60706] Undefined behavior in http_protocol::ap_method_name_of
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60706
Szőgyényi Gábor <sz...@freemail.hu> changed:
What |Removed |Added
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CC| |szg0000@freemail.hu
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[Bug 60706] Undefined behavior in http_protocol::ap_method_name_of
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=60706
Mike Lothian <mi...@fireburn.co.uk> changed:
What |Removed |Added
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CC| |mike@fireburn.co.uk
--- Comment #3 from Mike Lothian <mi...@fireburn.co.uk> ---
*** Bug 61501 has been marked as a duplicate of this bug. ***
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