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add buzz word

Reviewed/backported by: jim


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html elements

Reviewed/backported by: jim


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heh... bring memcache up to redis :)
mod_status info

From Norm:
NWGNUsocachmem needs to find mod_status.h

Reviewed/backported by: jim


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change error handling for bad resp headers

 - avoid looping between ap_die and the http filter
 - remove the header that failed the check
 - keep calling apr_table_do until our fn stops matching


This is still not great. We get the original body, a 500 status
code and status line.

(r1773285 + fix for first return from check_headers)




Follow up to r1773293.
When check_headers() fails, clear anything (headers and body) from original/errorneous
response before returning 500.


Follow up to r1773761: don't check_headers() more than once.

Follow up to r1773761: don't recurse on internal redirects.

Follow up to r1773761: don't recurse on ap_send_error_response() either.

Follow up to r1773761: we need to check both ap_send_error_response() and internal redirect recursions.

Follow up to r1773761: improved recursion detection.
Submitted by: covener, ylavic, ylavic, ylavic, ylavic, ylavic, ylavic
Reviewed/backported by: jim


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drop proposal

surafe two showstoppers discussed elsewhere in STATUS



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After eliminating unusual whitespace in Unsafe mode (e.g. \f \v), we are left
with the same behavior in both of these cases. Simplify. Noted by rpluem.


Submitted by: wrowe
Reviewed/backported by: jim


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Partial port of proposed r1773158 for httpd-2.x only; this change causes all
illegible protocol args to be rejected, irrespective of the strict toggle as
we expect this to occur with a garbage raw SP embedded in the request URI.

Simplifies the code using the protocol 0.9 sentinal to set up an http/1.0
error response.

String duplication of r1773158 is uninteresting, httpd-2.x has a const protocol
member.

Submitted by: rpluem, wrowe


Submitted by: wrowe
Reviewed/backported by: jim


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Drop C-L header and message-body from HTTP 204 responses.

The C-L header can be set in a fcgi/cgi backend or in other
filters like ap_content_length_filter (with the value of 0),
meanwhile the message-body can be returned incorrectly
by any backend. The idea is to remove unnecessary bytes
from a HTTP 204 response.

PR 51350

Submitted by: elukey
Reviewed/backported by: jim


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ProxyPass ! doesn't block per-directory ProxyPass

 *) mod_proxy: Honor a server scoped ProxyPass exception when ProxyPass is
     configured in <Location>, like in 2.2. PR 60458.
     [Eric Covener]


Submitted by: covener
Reviewed/backported by: jim


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are pstrdup'ed. Note that r->protocol = "" is not in a return path.

Simplify the garbage-in protocol handling without consideration to 'strict'
settings. It is expected to be caused by an invalid raw SP in the URL.

Backports: r1773159 (with pstrdup enhancement)
Submitted by: rpluem, wrowe

Reverted in r1773160 (for further STATUS review)


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mod_auth_digest: fix segfaults during shared memory exhaustion

The apr_rmm_addr_get/apr_rmm_malloc() combination did not correctly
check for a malloc failure, leading to crashes when we ran out of the
limited space provided by AuthDigestShmemSize. This patch replaces all
these calls with a helper function that performs this check.

Additionally, fix a NULL-check bug during entry garbage collection.
Submitted by: jchampion
Reviewed/backported by: jim


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vote/promote


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mod_session_crypto: Authenticate the session data/cookie with a MAC (SipHash)
to prevent deciphering or tampering with a padding oracle attack.



mod_session_crypto: follow up to r1772812: CHANGES entry.
Submitted by: ylavic
Reviewed/backported by: jim


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