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


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nonsequitor.



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This patch removes the needless assignment of re_erroffset in the conf pool
by the worker threads; such mistakes break the shared copy-on-write pages of
memory that should have remained common between all httpd worker processes.

Two de-optimizations are inherent in this patch, the former ovector-on-stack
opportunity is lost unless implemented as a new general context. Safer that
we either create a new general context using pool allocation, or recycle a
per pool or per thread match_data buffer of some arbitrary 10 elts or so.

Submitted by: wrowe, Petr Pisar <ppisar@redhat.com>


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



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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


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 - 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)




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breaks some existing tests. Needs more work.



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 - 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.


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with the same behavior in both of these cases. Simplify. Noted by rpluem.



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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



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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.

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to prevent deciphering or tampering with a padding oracle attack.



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capitalize


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current examples don't account for when access control overlaps
with authentication.



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mod_http2: properly crafted, endless HTTP/2 CONTINUATION frames could be used to exhaust all server's memory.

Reported by: Naveen Tiwari <naveen.tiwari@asu.edu> and CDF/SEFCOM at Arizona State University



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With this value, the behavior is the same as 'parent-first' in the 'LuaInherit' directive

If not explicitelly initialized, its value is 0 because of the 'apr_calloc 'in 'create_dir_config'. 0 means 'AP_LUA_INHERIT_NONE'

PR 60419

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w/ HTTPProtocolOptions Unsafe


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I tried to add a summary of Stefan's last patches just backported to
2.4.x today. I've read all of them and tried to report Stefan's comment
from PR 53555 as much as possible. Please review and let me know if I wrong
something incorrect or not precise enough.



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