navigated 2.4.x-merge-http-strict backport



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775727 13f79535-47bb-0310-9956-ffa450edef68

Submitted By: Edward Lu <Chaosed0 gmail.com>
Support custom ErrorDocuments for HTTP 501 and 414 status codes.
PR 57167 [Edward Lu <Chaosed0 gmail.com>]


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775718 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jailletc36
Fix sscanf format spotted by cppcheck 
(changes version major/minor types from signed to unsigned)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775717 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jailletc36
Improve error message
PR 54384



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775715 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
remove obsolete comment from 1.3 days


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775714 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
remove some more old unused code


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775713 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
Remove unused code. "Next week" hasn't happened in the last 10 years or so.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775712 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: trawick
core: ErrorDocument now works for requests without a Host header.
PR: 48357


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775711 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
Make sure that a triggering LimitRequestFieldSize is always logged, even if the
first read already exeeds the limit and ap_rgetline does not return a header
name.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775710 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: trawick
s/ensure/insure/


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775708 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: trawick
zap an unhelpful, out of date comment from httpd 1.2



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775707 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: rpluem
Correctly return a 400 (Bad request) in case of a HTTP/0.9 request like
GET @example.org/foo


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775706 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
Downgrade some more log messages indicating client errors from level error to
info. Add log messages for various reasons to return HTTP_BAD_REQUEST.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775705 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
Enforce LimitRequestFieldSize after multiple headers with the same
name have been merged.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775699 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: sf
Use APR_STATUS_IS_... in some more cases.
While this is not strictly necessary everywhere, it makes it much easier
to find the problematic cases.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775697 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: covener
use APR_STATUS_IS_TIMEUP() instead of direct comparison with APR_TIMEUP.




git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775696 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: trawick
comment on where multiple headers with same name get merged

(some strict Cookie parsers can't handle what happens later,
but that is not our fault)



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775695 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: rpluem
Fix up r892678



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775692 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: niq
Reject requests containing (invalid) NULL characters in request line
or request headers.
PR 43039


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775691 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x-merge-http-strict@1775685 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691247 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691243 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691242 13f79535-47bb-0310-9956-ffa450edef68

warning in 2.2 codebase?)
Backports: r1514215
Submitted by: trawick



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691240 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691239 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691169 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691162 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1691074 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690841 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690840 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690460 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690459 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690342 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1690339 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689891 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689858 13f79535-47bb-0310-9956-ffa450edef68

http: follow up to r1686271, also needed in 2.4.x/2.2.x by r1686271/r1687339.
Handle reentrance of state BODY_CHUNK_CR to avoid AH02901 when we eat BWS
from multiple reads.

http: follow up to r1686271.
Be lenient up to 10 (room for 32bit decimals) Bad White Spaces (BWS)
between chunk-size and chunk-ext/CRLF.

Submitted by: ylavic
Reviewed by: ylavic, wrowe, mrumph


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689522 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689519 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689397 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1689169 13f79535-47bb-0310-9956-ffa450edef68