Fix segfault when trying to log a nameless valueless cookie

PR: 52256
Submitted by: Rainer Canavan <rainer-apache 7val com>


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SSLProtocol: allow explicit control of TLSv1.1 and TLSv1.2 flavors when
compiled against OpenSSL 1.0.1 or later. Update documentation.


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Set OPENSSL_NO_SSL_INTERN when compiling against OpenSSL 1.0.1
or later, so that mod_ssl retains binary compatibility with future
versions when internal structures are changed. Use API functions
where available, and fall back to direct access for OpenSSL up
to 1.0.0, where needed.

Remove SSL_make_ciphersuite() from ssl_util_ssl.[ch], as it was
never used by any released version of mod_ssl.


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mod_mime: Don't arbitrarily bypass AddOutputFilter during a ProxyPass,
but then allow AddOutputFilter during a RewriteRule [P]. Make mod_mime
behave identically in both cases. PR52342.


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Move ab, logresolve, httxt2dbm and apxs to bin from sbin, along with
corresponding man pages.


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Distinguish properly between the bindir and sbindir directories when
installing binaries. Previously all binaries were silently installed to
sbindir, whether they were system administration commands or not.


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Streamline TLS session ticket key handling (added in r1200040):
- drop the SSLTicketKeyDefault directive, and only support a single
  ticket key per server/vhost
- rename the SSLTicketKeyFile directive to SSLSessionTicketKeyFile,
  remove the keyname parameter
- move ticket key parameters from SSLSrvConfigRec to modssl_ctx_t
- configure the tlsext_ticket_key_cb only when in server mode
- add documentation for SSLSessionTicketKeyFile


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Limit length of lines in .htaccess to 8K again, to reduce DoS potential.
Make ap_varbuf_cfg_getline() strictly enforce the max_len parameter.


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Fix segfault with Solaris LDAP SDK when enabling ldaps.

Enable SSL by passing secure=1 to apr_ldap_init instead of calling
apr_ldap_set_option(... APR_LDAP_OPT_TLS ...).

This change carefully avoids any change of behavior on non-Solaris LDAP SDKs.

PR: 42682


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mod_rewrite: Add the AllowNoSlash RewriteOption, which makes it possible
for RewriteRules to be placed in .htaccess files that match the directory
with no trailing slash. PR 48304.


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mod_session_crypto: Add a SessionCryptoPassphraseFile directive so that the
administrator can hide the keys from the configuration.


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as per the following thread:
http://www.gossamer-threads.com/lists/apache/dev/395830?do=post_view_threaded#395830


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Introduce a per request version of the remote IP address, which can be
optionally modified by a module when the effective IP of the client
is not the same as the real IP of the client (such as a load balancer).
Introduce a per connection "peer_ip" and a per request "client_ip" to
distinguish between the raw IP address of the connection and the effective
IP address of the request.


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Pass ap_errorlog_info to error_log hook


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mod_cache_disk: Make sure we check return codes on all writes and attempts
to close, and clean up after ourselves in these cases. PR43589.


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PR51471: IndexIgnore doesn't work in DirectoryMatch.




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PR39923: Allow AddDescription to work with absolute filesystem paths,
by not adding "*/" to their prefix (intended for relative paths)




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mod_cache_disk: Remove the unnecessary intermediate brigade while
writing to disk. Fixes a problem where mod_disk_cache was leaving 
buckets in the intermediate brigade and not passing them to out on 
exit.


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Change the SSLCipherSuite default to a shorter, whitelist
oriented definition, and add an example for a speed-optimized
configuration (commented out by default).

In the SSL How-To, streamline the SSLCipherSuite examples where
applicable (explicitly banning EXP and NULL is not needed when
only HIGH is specified).


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drop SSLv2 support (set SSL_OP_NO_SSLv2 for any new SSL_CTX)


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add per-dir config merging to mod_lua so LuaHook* in multiple per-dir sections
behaves as expected instead of discarding previous sections.


Reviewed by: covener


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Server directive display (-L): Include directives of DSOs.


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mod_cache: Make sure we merge headers correctly when we handle a
non cacheable conditional response. PR52120.


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Part 3: Remote MPM simple.


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Part 2: Remove mod_serf.


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Part 1: mod_noloris was superseded by mod_reqtimeout.


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Set MaxMemFree 2048 by default


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Fix assertion failure during very high load by preventing race condition
between appending to the timeout queues and adding to the pollset. We don't
add additional locking calls but only extend the present calls to include the
apr_pollset_add. Therefore this hopefully should not cause too much performance
regression.

Add some comments 

Replace two AP_DEBUG_ASSERTS with better error handling


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1) Promoted from "most" to "yes/few"

- mod_headers

2) Demoted from "yes/few" to "most"

- mod_actions
- mod_allowmethods
- mod_auth_form
- mod_buffer
- mod_cgi(d)
- mod_include
- mod_negotiation
- mod_ratelimit
- mod_request
- mod_userdir

Remember: default module set is "most",
but only the LoadModule lines of all
modules except "yes/few" are commented out by default.

The following modules will now be loaded by default:

- mod_access_compat
- mod_alias
- mod_auth_basic
- mod_authn_core
- mod_authn_file
- mod_authz_core
- mod_authz_groupfile
- mod_authz_host
- mod_authz_user
- mod_autoindex
- mod_dir
- mod_env
- mod_filter
- mod_headers
- mod_log_config
- mod_mime
- mod_mpm_event
- mod_reqtimeout
- mod_setenvif
- mod_status
- mod_unixd
- mod_version

Backport of r1201111 from trunk.


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Backport of r1201042 from trunk.


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Merge r1200475, r1200478, r1200482, r1200491, r1200513, r1200550, r1200580, r1200605, r1200612, r1200614, r1200639, r1200646, r1200656, r1200667, r1200679, r1200699, r1200957, r1200961, r1200963 from trunk:

fix issue with incorrect munging of the lua package path -- LuaPackagePath directives were not working

Default to not allowing htaccess in /, instead of just the documentroot, which gets a nice 10% performance boost by default for me.

* modules/ssl/ssl_private.h, modules/ssl/ssl_engine_kernel.c
  (ssl_callback_tlsext_tickets): Use unsigned char * to fix gcc
  -Wpointer-sign warnings.


Only load the really imporant modules (i.e. those enabled by the 'few'
selection) by default. Don't handle modules enabled with --enable-foo
specially.

This fixes problems with module dependencies until someone implements a
mechanism for resolving module dependencies.


remove last traces of the code cache

* modules/proxy/mod_proxy_html.c (comp_urlmap): Fix const-ness warning.


* modules/lua/mod_lua.c (ap_lua_ssl_is_https): New function.
  (lua_post_config): Pick up ssl_is_https optional function.

* modules/lua/lua_request.c (req_ssl_is_https_field): New function.
  (ap_lua_load_request): Map is_https field to above.


remove some debug logging which snuck in

remove ability to set min and max pool sizes for server scope in prep for removing server scope

remove lingering reslist references before killing server scope

replace server scope with thread scope

use a sub-pool for scope_once

Fix installation of conf/extra/proxy-html.conf.

Otherwise httpd does no longer start, because
it is the only extra file required in the main
config at the moment.


Rebuild xdoc transform


Clarify docs for LimitRequestLine, as per bug #51665.


Rebuild doc transforms.

Submitted by: brianm, pquerna, jorton, sf, brianm, jorton, jorton, sf, pquerna, brianm, brianm, brianm, brianm, brianm, jorton, rjung, rbowen, rbowen, rbowen
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1200981 13f79535-47bb-0310-9956-ffa450edef68

temporary intervals with no active MPM children.


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