git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772232 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771664 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771663 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771662 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771660 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1765772 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1763470 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1762788 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1762685 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1761228 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1761227 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1760551 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758673 13f79535-47bb-0310-9956-ffa450edef68

core: Limit to ten the number of tolerated empty lines between request,
and consume them before the pipelining check to avoid possible response
delay when reading the next request without flushing.

Before this commit, the maximum number of empty lines was the same as
configured LimitRequestFields, defaulting to 100, which was way too much.
We now use a fixed/hard limit of 10 (DEFAULT_LIMIT_BLANK_LINES).

check_pipeline() is changed to check for (up to the limit) and comsume the
trailing [CR]LFs so that they won't be interpreted as pipelined requests,
otherwise we would block on the next read without flushing data, and hence
possibly delay pending response(s) until the next/real request comes in or
the keepalive timeout expires.
 
Finally, when the maximum number of empty line is reached in
read_request_line(), or that request line does not contains at least a method
and an (valid) URI, we can fail early and avoid some failure detected in
further processing.


* Ensure that proto_num and protocol is set in another "error out early" edge
  case. This can happen with invalid CONNECT requests as described in the PR.

PR: 58929


Submitted by: ylavic, rpluem
Reviewed  by: wrowe, covener, ylavic


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758672 13f79535-47bb-0310-9956-ffa450edef68

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


use APR_STATUS_IS_TIMEUP() instead of direct comparison with APR_TIMEUP.


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.


Submitted by: niq, covener, sf
Reviewed  by: wrowe, covener, ylavic


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758671 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758668 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758667 13f79535-47bb-0310-9956-ffa450edef68

unconditional



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758071 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757705 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757665 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757407 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757395 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757394 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757391 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757371 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757306 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757295 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757288 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757270 13f79535-47bb-0310-9956-ffa450edef68

in sync with 2.4, allowing us to consider much more similar backport proposals
to both.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757269 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: trawick
s/ensure/insure/

Comment-only change, simply to ensure reviewers can review patches from trunk.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757256 13f79535-47bb-0310-9956-ffa450edef68

without functional changes.

Backports: r1213391, r1237407
Submitted by: rjung

zap an unhelpful, out of date comment from httpd 1.2
s/insure/ensure/

Backports: r1407004, r1407088, r1407528 
Submitted by: sf

Remove unused code. "Next week" hasn't happened in the last 10 years or so.
remove some more old unused code
remove obsolete comment from 1.3 days

Backports: r1621419 (protocol.c only)
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@1757240 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756569 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756566 13f79535-47bb-0310-9956-ffa450edef68

connection is aborted before the body is fully read.  PR 45049.

Backports: n/a (2.2.x only)
Submitted by: Nick Pace <nick simplylogic.net>, Edward Lu, Yann Ylavic
Reviewed by: ylavic, wrowe, rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756565 13f79535-47bb-0310-9956-ffa450edef68

httpoxy workarounds, first draft patch as published for all 2.2.x+ sources

Submitted by: Dominic Scheirlinck <dominic vendhq.com>, ylavic
Reviewed by: wrowe, rpluem, ylavic


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756564 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1755939 13f79535-47bb-0310-9956-ffa450edef68

The target/backend fails with:
    ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
                 "Hostname %s provided via SNI and hostname %s provided"
                 " via HTTP are different", servername, host);
    (AH02032 in 2.4.x)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1755938 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754383 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754379 13f79535-47bb-0310-9956-ffa450edef68