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Yann Ylavic 85ed30bd14 mpm_{event,worker}: Mask signals for threads created by modules in child init. 
PR 62009, so that they don't receive (implicitely) the ones meant for the MPM.

Inspired by: Armin Abfalterer <a.abfalterer gmail.com>
Proposed by: Yann Ylavic



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1821504 13f79535-47bb-0310-9956-ffa450edef68
2018-01-18 14:47:41 +00:00

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-*- coding: utf-8 -*-
Changes with Apache 2.5.1
*) mpm_event,worker: Mask signals for threads created by modules in child
init, so that they don't receive (implicitely) the ones meant for the MPM.
PR 62009. [Armin Abfalterer <a.abfalterer gmail com>, Yann Ylavic]
*) mpm_event: Update scoreboard status for KeepAlive state. [Yann Ylavic]
*) core, mpm_event: Avoid a small memory leak of the scoreboard handle, for
the lifetime of the connection, each time it is processed by MPM event.
[Yann Ylavic]
*) mod_headers: 'RequestHeader set|edit|edit_r Content-Type X' could
inadvertently modify the Content-Type _response_ header. Applies to
Content-Type only and likely to only affect static file responses.
[Eric Covener]
*) mod_cgi: Improve AH01215 messages to make it more clear that the message is
the CGI scripts stderr output. PR 61980. [Hank Ibell <hwibell gmail.com>]
*) mod_headers: Allow 'Header unset Content-Type' to remove the Content-Type
header. PR 61983. [Hank Ibell <hwibell gmail.com>]
*) mod_md v1.1.8: new configuration directive "MDBaseServer on|off" to allow/inhibit
management of the base server domains outside VirtualHosts. By default, this is "off",
e.g. mod_md will not manage certificates or perform https: redirections on the
base server. [Stefan Eissing]
*) core: Add "AcceptErrorsNonFatal" to allow ECONNREFUSED, ECONNABORTED, and
ECONNRESET during the client accept() to not trigger graceful shutdown of
the child process. [Eric Covener]
*) mod_md v1.1.7:
- MDMustStaple was unable to create the necessary OpenSSL OBJ identifier on some platforms,
possibly because this fails if the OID is already configured in ```openssl.cnf```, see
[here](https://github.com/openssl/openssl/issues/2795).
- Two memory leaks in cert issuer and alt-names lookup eliminated by Yann Ylavic.
- Changing MDMustStaple triggers certificate renewal.
- More verbosity when *not* handing out certificates, e.g. mod_ssl asks, but mod_md has no
idea what it is talking about. Some people report misbehaviour here.
- Re-enabled support for md_get_credentials() function that was used in older mod_ssl
patch, so that people with old patched servers get a chance to upgrade.
[Stefan Eissing, Yann Ylavic]
*) mod_susbtitute: Allow expressions in the subtitution, prefixed with expr=
[Eric Covener]
*) mod_md: fixed mem pool usage for auto-added server names. Added
error logging of exact ACME response when challenges failed.
[Stefan Eissing]
*) mpm_event: close connections not reported as handled by any module to
avoid losing track of them and leaking scoreboard entries. PR 61551.
[Yann Ylavic]
*) mod_dumpio: do nothing below log level TRACE7. [Yann Ylavic]
*) mod_md: reverses most of v1.0.5 optimization of post_config init, so that
mod_ssl can ask for certiticates without crashing. [Stefan Eissing]
*) mod_proxy: allow SSLProxyCheckPeer* usage for all proxy modules.
PR 61857. [Yann Ylavic]
*) mod_proxy_html: fix handling of <meta http-equiv> elements.
PR 58121. [Nick Kew]
*) mod_md: fixed backward compatibility to old <ManagedDomain configuration.
Add higher level WARNING log when initial request to ACME server fails, mentioning
some advice. [Stefan Eissing]
*) mod_ldap: Fix a case where a full LDAP cache would continually fail to
purge old entries and log AH01323. PR61891.
[Hendrik Harms <hendrik.harms gmail.com>]
*) mod_md: name change in configuration directives. The old names are still working
in this version, so you can safely upgrade. They will give warnings in the log and
will disappear in the immediate future. ManagedDomain is now MDomain,
<ManagedDomain> is now <MDomainSet>. [Stefan Eissing]
*) mod_ssl: renamed section <SSLPolicy to <SSLPolicyDefine. Fixed behaviour
for new server config merge flag. Denying global, only once used directives
inside a SSLPolicyDefine. [Stefan Eissing]
*) mod_auth_basic: Be less tolerant when parsing the credencial. Only spaces
should be accepted after the authorization scheme. \t are also tolerated.
[Christophe Jaillet]
*) mod_http2: fixed unfair scheduling when number of active connections
exceeded the scheduling fifo capacity. [Stefan Eissing]
*) core: Support zone/scope in IPv6 link-local addresses in Listen and
VirtualHost directives (requires APR 1.7.x or later). PR 59396. [Joe Orton]
*) mod_md: v1.0.5, restricting post_config dry run to be more silent and performing
only necessary work for mod_ssl to be also happy with the configuration.
[Stefan Eissing]
*) mod_md: v1.0.4, removed the 'a2md' utility command from build. Only used in github
testing. Avoid problems with our build system that had problems after the latest
changes to make a clean initial build. Remove the windows a2md.dsp therefore also.
[Stefan Eissing]
*) mod_ssl: Fail with 403 if the username for FakeBasicAuth mode
includes a colon character. PR 52644. [Joe Orton]
*) mod_md: v1.0.3, fixed various bugs in persisting job properties, so that status is
persisted accross child process changes and staging is reset on reloads. Changed
MDCertificateAgreement url checks. As long as the CA reports that the account has
an agreement, no further checking is done. Existing accounts need no changes when
a new agreement comes out. [Stefan Eissing]
*) mod_watchdog: Correct some log messages. [Rainer Jung]
*) core: silently ignore a not existent file path when IncludeOptional
is used. PR 57585. [Alberto Murillo Silva <powerbsd yahoo.com>, Luca Toscano]
*) mod_noloris: complete build setup. [Rainer Jung]
*) mod_md: fix static compilation. [Rainer Jung]
*) mod_md: fix compilation of helper binary a2md. [Rainer Jung]
*) core: fix pcre feature detection in configure when using pcre2. [Rainer Jung]
Changes with Apache 2.5.0-alpha
*) mpm_event: avoid a very unlikely race condition between the listener and
the workers when the latter fails to add a connection to the pollset.
[Yann Ylavic]
*) mod_macro: fix usability of globally defined macros in .htaccess files.
PR 57525. [Jose Kahan <jose w3.org>, Yann Ylavic]
*) mod_md: v1.0.1, ServerName/Alias names from pure-http: virtual hosts are no longer
auto-added to a Managed Domain. Error counts of jobs are presisted. When the server
restarts (gracefully) any errored staging areas are purged to reset the signup/renewal
process. [Stefan Eissing]
*) htpasswd: Don't fail in -v mode if password file is unwritable.
PR 61631. [Joe Orton]
*) core: A signal received while stopping could have crashed the main
process. PR 61558. [Yann Ylavic]
*) mod_md: v1.0.0, new config directive 'MDNotifyCmd' to hook in a program when Managed
Domains have obtained/renewed their certificates successfully. [Stefan Eissing]
*) mod_rewrite, core: add the Vary header when a condition evaluates to true
and the related RewriteRule is used in a Directory context
(triggering an internal redirect). [Luca Toscano]
*) mod_md: v0.9.9, fix for applying challenge type based on available ports. [Stefan Eissing]
*) mod_proxy_uwsgi: New UWSGI mod_proxy (sub)module contributed by unbit.com.
*) mod_http2: v0.10.12, removed optimization for mutex handling in bucket beams that
could lead to assertion failure in edge cases. [Stefan Eissing]
*) mod_md: v0.9.7
- Use of the new module flag
- Removed obsolete function from interface to mod_ssl.
- Fallback certificates has version set and no longer claims to be a CA. (re issue #32)
- MDRequireHttps now happens before any Redirect.
[Stefan Eissing]
*) mod_ssl: unshare SSLSrvConfigRec instances between base server and virtual hosts. This avoids
overwrites of later initializattions (vhost_id), selective disables by "SSLEngine addr-list"
and certificate/key pickup from mod_md. [Stefan Eissing]
*) mod_rewrite, core: Avoid the 'Vary: Host' response header when HTTP_HOST is
used in a condition that evaluates to true. PR 58231 [Luca Toscano, Yann Ylavic]
*) mod_md: v0.9.6: a "MDRequireHttps permament" configured domain automatically sends out
HSTS (rfc 6797) headers in https: responses. [Stefan Eissing]
*) mod_ssl: adding ssl_policies.h[.in] for policy cipher/protocol definitions. Use
update_policies.py to update manually from Mozilla JSON definitions at
https://statics.tls.security.mozilla.org/server-side-tls-conf.json
[Stefan Eissing]
*) mod_md: v0.9.5:
- New directive (srly: what do you expect at this point?) "MDMustStaple on|off" to control if
new certificates are requested with the OCSP Must Staple extension.
- Known limitation: when the server is configured to ditch and restart child processes, for example
after a certain number of connections/requests, the mod_md watchdog instance might migrate
to a new child process. Since not all its state is persisted, some messsages might appear a
second time in the logs.
- Adding checks when 'MDRequireHttps' is used. It is considered an error when 'MDPortMap 443:-'
is used - which negates that a https: port exists. Also, a warning is logged if no
VirtualHost can be found for a Managed Domain that has port 443 (or the mapped one) in
its address list.
- New directive 'MDRequireHttps' for redirecting http: traffic to a Managed Domain, permanently
or temporarily.
- Fix for using a fallback certificate on initial signup of a Managed Domain. Requires also
a changed mod_ssl patch (v5) to take effect.
- compatibility with libressl
[Stefan Eissing]
*) mod_md: v0.9.2: new directive 'MDHttpProxy' to define a proxy for outgoing connection,
some minor bugfixes, twiddle the build system to avoid non-pic code generation.
[Stefan Eissing]
*) mod_ssl: Adding option to set a list of addr:port specs, as used in VirtualHosts
to enable SSLEngine for all matching hosts. Updated documentation. [Stefan Eissing]
*) mod_md: v0.9.1:
- various fixes in MDRenewWindow handling when specifying percent. Serialization changed. If
someone already used percent configurations, it is advised to change these to a new value,
reload and change back to the wanted ones.
- various fixes in handling of MDPrivateKeys when specifying 2048 bits (the default) explicitly.
- mod_md version removed from top level md_store.json file. The store has its own format version
to facilitate upgrades.
[Stefan Eissing]
*) mod_md: v0.9.0:
Certificate provisioning from Let's Encrypt (and other ACME CAs) for mod_ssl virtual hosts.
[Stefan Eissing]
*) mod_ssl: add SSLPolicy (define/use) and SSLProxyPolicy directives plus documentation. Add
core definitions for policies 'modern', 'intermediate' and 'old', as defined by Mozilla
in <https://wiki.mozilla.org/Security/Server_Side_TLS>. [Stefan Eissing]
*) mod_md: new module for managing domains across VirtualHosts with ACME protocol
implementation for automated certificate signup and renewal. Default CA is
the test area of Let's Encrypt right now, so certificates root will not be valid.
Will be switched to the real service endpoint rather soon. If you need it now,
configure 'MDCertificateAuthority https://acme-v01.api.letsencrypt.org/directory'.
[Stefan Eissing]
*) mod_proxy_fcgi: Add the support for mod_proxy's flushpackets and flushwait
parameters. [Luca Toscano, Ruediger Pluem, Yann Ylavic]
*) mod_rewrite: Add 'RewriteOptions LongURLOptimization' to free memory
from each set of unmatched rewrite conditions.
[Eric Covener]
*) Allow the argument to <IfFile>, <IfDefine>, <IfSection>, <IfDirective>,
and <IfModule> to be quoted. This is primarily for the benefit of
<IfFile>. [Eric Covener]
*) Introduce request taint checking framework to prevent privilege
hijacking through .htaccess. [Nick Kew]
*) Add <IfDirective> and <IfSection> directives. [Joe Orton]
*) When using mod_status with the Event MPM, report the number of requests
associated with an active connection in the "ACC" field. Previously
zero was always reported with this MPM. PR60647. [Eric Covener]
*) mod_remoteip: Add support for PROXY protocol (code donated by Cloudzilla).
Add ability for PROXY protocol processing to be optional to donated code.
See also: http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt
[Cloudzilla/roadrunner2@GitHub, Jim Jagielski, Daniel Ruggeri]
*) mod_remoteip: When overriding the useragent address from X-Forwarded-For,
zero out what had been initialized as the connection-level port. PR59931.
[Hank Ibell <hwibell gmail.com>]
*) mod_proxy_wstunnel: Reliably run before mod_proxy_http.
[Eric Covener]
*) mod_proxy_protocol: Add server-side, front-end support for PROXY PROTOCOL
(http://blog.haproxy.com/haproxy/proxy-protocol/). [roadrunner2]
*) http: Allow unknown response status' lines returned in the form of
"HTTP/x.x xxx Status xxx". [Yann Ylavic]
*) core: Add <IfFile> configuration section to allow any file on disk to be
used as a conditional. [Edward Lu, Eric Covener]
*) mod_crypto: Add the all purpose crypto filters with support for HLS.
[Graham Leggett]
*) core: Drop an invalid Last-Modified header value coming
from a FCGI/CGI script instead of replacing it with Unix epoch.
Warn the users about Last-Modified header value replacements
and violations of the RFC.
[Yann Ylavic, Luca Toscano, William Rowe, Jacob Champion]
*) mod_dav: Allow other modules to become providers and add ACLs
to the DAV response.
[Jari Urpalainen <jari.urpalainen nokia.com>, Graham Leggett]
*) mod_dav: Add dav_begin_multistatus, dav_send_one_response,
dav_finish_multistatus, dav_send_multistatus, dav_handle_err,
dav_failed_proppatch, dav_success_proppatch to mod_dav.h.
[Jari Urpalainen <jari.urpalainen nokia.com>, Graham Leggett]
*) mod_proxy, mod_ssl: Handle SSLProxy* directives in <Proxy> sections,
allowing per backend TLS configuration. [Yann Ylavic]
*) core: explicitly exclude 'h2' from protocols announced via an Upgrade:
header as commanded by http-wg. [Stefan Eissing]
*) mod_proxy_ajp: Add "secret" parameter to proxy workers to implement legacy
AJP13 authentication. PR 53098. [Dmitry A. Bakshaev <dab1818 gmail com>]
*) mpm: Generalise the ap_mpm_register_socket functions to accept pipes
or sockets. [Graham Leggett]
*) core: Extend support for setting aside data from the network input filter
to any connection or request input filter. [Graham Leggett]
*) core: Split ap_create_request() from ap_read_request(). [Graham Leggett]
*) mod_auth_digest: Fix compatibility with expression-based Authname. PR59039.
[Eric Covener]
*) mpm: Add a complete_connection hook that confirms whether an MPM is allowed
to leave the WRITE_COMPLETION phase. Move filter code out of the MPMs.
[Graham Leggett]
*) mod_filter: Fix AddOutputFilterByType with non-content-level filters.
PR58856 [Micha Lenk <micha lenk.info>]
*) mod_cache: Consider Cache-Control: s-maxage in expiration
calculations. [Eric Covener]
*) mod_cache: Allow caching of responses with an Expires header
in the past that also has Cache-Control: max-age or s-maxage.
PR55156. [Eric Covener]
*) mod_session: Introduce SessionExpiryUpdateInterval which allows to
configure the session/cookie expiry's update interval. PR 57300.
[Paul Spangler <paul.spangler ni.com>]
*) core: Extend support for asynchronous write completion from the
network filter to any connection or request filter. [Graham Leggett]
*) mod_auth_digest: remove AuthDigestEnableQueryStringHack which is no
more documented since dec 2012 (r1415960). [Christophe Jaillet]
*) mod_charset_lite: On EBCDIC platforms, make sure mod_charset_lite runs
after other resource-level filters. [Eric Covener]
*) http: Don't remove the Content-Length of zero from a HEAD response if
it comes from an origin server, module or script. [Yann Ylavic]
*) http: Add support for RFC2324/RFC7168. [Graham Leggett]
*) mod_rewrite: Add support for starting External Rewriting Programs
as non-root user on UNIX systems by specifying username and group name
as third argument of RewriteMap directive. [Jan Kaluza]
*) mod_authn_core: Add expression support to AuthName and AuthType.
[Graham Leggett]
*) suexec: Filter out the HTTP_PROXY environment variable because it is
treated as alias for http_proxy by some programs. [Stefan Fritsch]
*) mod_proxy_http: Don't establish or reuse a backend connection before pre-
fetching the request body, so to minimize the delay between it is supposed
to be alive and the first bytes sent: this is a best effort to prevent the
backend from closing because of idle or keepalive timeout in the meantime.
Also, handle a new "proxy-flushall" environment variable which allows to
flush any forwarded body data immediately. PR 56541+37920. [Yann Ylavic]
*) core: Define and UnDefine are no longer permitted in
directory context. Previously they would always be evaulated
as the configuration was read without regard for the directory
context. [Eric Covener]
*) config: For directives that do not expect any arguments, enforce
that none are specified in the configuration file.
[Joachim Zobel <jzobel heute-morgen.de>, Eric Covener]
*) mod_rewrite: Improve 'bad flag delimeters' startup error by showing
how the input was tokenized. PR 56528. [Edward Lu <Chaosed0 gmail.com>]
*) mod_proxy: Don't put non balancer-member workers in error state by
default for connection or 500/503 errors, and honor status=+I for
any error. PR 48388. [Yann Ylavic]
*) ap_expr: Add filemod function for checking file modification dates
[Daniel Gruno]
*) mod_authnz_ldap: Resolve crashes with LDAP authz and non-LDAP authn since
r1608202. [Eric Covener]
*) apreq: Content-Length header should be always interpreted as a decimal.
Leading 0 could be erroneously considered as an octal value. PR 56598.
[Chris Card <ctcard hotmail com>]
*) mod_proxy: Now allow for 191 character worker names, with non-fatal
errors if name is truncated. PR53218. [Jim Jagielski]
*) mod_ssl: Add optional function "ssl_get_tls_cb" to allow support
for channel bindings. [Simo Sorce <simo redhat.com>]
*) mod_proxy_wstunnel: Concurrent websockets messages could be
lost or delayed with ProxyWebsocketAsync enabled.
[Edward Lu <Chaosed0 gmail.com>]
*) core, mod_info: Add compiled and loaded PCRE versions to version
number display. [Rainer Jung]
*) mod_authnz_ldap: Return LDAP connections to the pool before the handler
is run, instead of waiting until the end of the request. [Eric Covener]
*) mod_proxy_html: support automatic detection of doctype and processing
of FPIs. PR56285 [Micha Lenk <micha lenk info>, Nick Kew]
*) mod_proxy_html: skip documents shorter than 4 bytes
PR 56286 [Micha Lenk <micha lenk info>]
*) core: Add ap_mpm_resume_suspended() API to allow a suspended connection
to resume. PR56333
[Artem <artemciy gmail.com>, Edward Lu <Chaosed0 gmail.com>]
*) core: Add ap_mpm_register_socket_callback_timeout() API. [Eric Covener]
*) mod_proxy_wstunnel: Honor ProxyWebsocketIdleTimeout in asynchronous
processing mode. [Eric Covener]
*) mod_authnz_ldap: Fail explicitly when the filter is too long. Remove
unnecessary apr_pstrdup() and strlen(). [Graham Leggett]
*) Add the ldap-search option to mod_authnz_ldap, allowing authorization
to be based on arbitrary expressions that do not include the username.
[Graham Leggett]
*) Add the ldap function to the expression API, allowing LDAP filters and
distinguished names based on expressions to be escaped correctly to
guard against LDAP injection. [Graham Leggett]
*) Add module mod_ssl_ct, which provides an implementation of Certificate
Transparency (RFC 6962) for httpd. [Jeff Trawick]
*) mod_proxy_wstunnel: Avoid sending error responses down an upgraded
websockets connection as it is being close down. [Eric Covener]
*) mod_proxy_wstunnel: Allow the administrator to cap the amount
of time a synchronous websockets connection stays idle with
ProxyWebsocketIdleTimeout. [Eric Covener]
*) mod_proxy_wstunnel: Change to opt-in for asynchronous support, adding
directives ProxyWebsocketAsync and ProxyWebsocketAsyncDelay.
[Eric Covener]
*) mod_proxy_wstunnel: Stop leaking websockets backend connections under
event MPM (trunk-only). [Eric Covener]
*) mod_proxy_http: Add detach_backend hook (potentially usable
in other proxy scheme handlers). [Jeff Trawick]
*) mod_deflate: Add DeflateAlterETag to control how the ETag
is modified. The 'NoChange' parameter mimics 2.2.x behavior.
PR 45023, PR 39727. [Eric Covener]
*) mod_dir: Default to 2.2-like behavior and skip execution when method is
neither GET nor POST, such as for DAV requests. PR 54914. [Chris Darroch]
*) mod_rewrite: Rename the handler that does per-directory internal
redirects to "rewrite-redirect-handler" from "redirect-handler" so
it is less ambiguous and less likely to be reused. [Eric Covener]
*) mod_rewrite: Protect against looping with the [N] flag by enforcing a
default limit of 10000 iterations, and allowing each rule to change its
limit. [Eric Covener]
*) mod_ssl: Fix config merging of SSLOCSPEnable and SSLOCSPOverrideResponder.
[Jeff Trawick]
*) Add HttpContentLengthHeadZero and HttpExpectStrict directives.
[Yehuda Sadeh <yehuda inktank com>, Justin Erenkrantz]
*) mod_ssl: Add -t -DDUMP_CA_CERTS option which dumps the filenames of all
configured SSL CA certificates to stdout the same way as DUMP_CERTS does.
[Jan Kaluza]
*) mod_ssl: Don't flush when an EOS is received. Prepares mod_ssl
to support write completion. [Graham Leggett]
*) core: Add parse_errorlog_arg callback to ap_errorlog_provider
to allow providers to check the ErrorLog argument. [Jan Kaluza]
*) mod_cgid: Use the servers Timeout for each read from a CGI script,
allow override with new CGIDRequestTimeout directive. PR43494
[Eric Covener, Toshikuni Fukaya <toshikuni-fukaya cybozu co jp>]
*) core: ensure any abnormal exit is reported to stderr if it's a tty.
PR 55670 [Nick Kew]
*) mod_lua: Let the Inter-VM get/set functions work with a global
shared memory pool instead of a per-process pool. [Daniel Gruno]
*) ldap: Support ldaps when using the Microsoft LDAP SDK.
PR 54626. [Jean-Frederic Clere]
*) mod_authnz_ldap: Change default value of AuthLDAPMaxSubGroupDepth to 0
to avoid performance problems when subgroups aren't in use. [Eric Covener]
*) mod_syslog: New module implementing syslog ap_error_log provider.
Previously, this code was part of core, now it's in separate module.
[Jan Kaluza]
*) core: Add ap_errorlog_provider to make ErrorLog logging modular. Move
syslog support from core to new mod_syslog. [Jan Kaluza]
*) mod_status, mod_echo: Fix the display of client addresses.
They were truncated to 31 characters which is not enough for IPv6 addresses.
PR 54848 [Bernhard Schmidt <berni birkenwald de>]
*) mod_unique_id: Use output of the PRNG rather than IP address and
pid, avoiding sleep() call and possible DNS issues at startup,
plus improving randomness for IPv6-only hosts.
[Jan Kaluza <jkaluza redhat.com>]
*) core: merge AllowEncodedSlashes from the base configuration into
virtual hosts. [Eric Covener]
*) AIX: Install DSO's with "cp" instead of "install" in instdso.sh
[Eric Covener]
*) mod_ldap: Don't keep retrying if a new LDAP connection times out.
[Eric Covener]
*) mod_deflate: permit compilation of mod_deflate against a zlib that has
been configured with -D Z_PREFIX, which redefines the token "deflate".
[Eric Covener]
*) mod_auth_digest: Use the secret when generating nonces in all cases and
not only when AuthName is used in .htaccess files (this change may cause
problems if used with round robin load balancers). Don't regenerate the
secret on graceful restarts. PR 54637 [Stefan Fritsch]
*) core: Stop the HTTP_IN filter from attempting to write error buckets
to the output filters, which is bogus in the proxy case. Create a
clean mapping from APR codes to HTTP status codes, and use it where
needed. [Graham Leggett]
*) mod_proxy: Ensure network errors detected by the proxy are returned as
504 Gateway Timout as opposed to 502 Bad Gateway, in order to be
compliant with RFC2616 14.9.4 Cache Revalidation and Reload Controls.
*) mod_dav: mod_dav overrides dav_fs response on PUT failure. PR 35981
[Basant Kumar Kukreja <basant.kukreja sun.com>, Alejandro Alvarez
<alejandro.alvarez.ayllon cern.ch>]
*) mod_ldap: LDAP connections used for authentication were not respecting
LDAPConnectionPoolTimeout. PR 54587
*) core: ap_rgetline_core now pulls from r->proto_input_filters.
*) mod_proxy_html: process parsed comments immediately.
Fixes bug where parsed comments may be lost. [Nick Kew]
*) mod_proxy_html: introduce doctype for HTML 5 [Nick Kew]
*) mod_proxy_html: fix typo-bug processing "strict" vs "transitional"
HTML/XHTML [Nick Kew]
*) core: Add option to add valgrind support. Use it to reduce false positive
warnings in mod_ssl. [Stefan Fritsch]
*) mod_authn_file, mod_authn_dbd, mod_authn_dbm, mod_authn_socache:
Cache the result of the most recent password hash verification for every
keep-alive connection. This saves some expensive calculations.
[Stefan Fritsch]
*) http: Remove support for Request-Range header sent by Navigator 2-3 and
MSIE 3. [Stefan Fritsch]
*) core, http: Extend HttpProtocol with an option to enforce stricter HTTP
conformance or to only log the found problems. [Stefan Fritsch]
*) EventOpt MPM
*) core: Add LogLevelOverride directive that allows to override the
loglevel for clients from certain IPs. This also works for things
like the SSL handshake where <If> LogLevel ... </If> is evaluated
too late. [Stefan Fritsch]
*) core: Add new directive Warning to issue warnings from a configuration
file. Both Warning and Error now generate a timestamped log message.
[Fabien Coelho]
*) ap_expr: Add SERVER_PROTOCOL_VERSION, ..._MAJOR, and ..._MINOR
variables. [Stefan Fritsch]
*) core: New directive RegisterHttpMethod for registering non-standard
HTTP methods. [Stefan Fritsch]
*) core: New directive HttpProtocol which allows to disable HTTP/0.9
support. [Stefan Fritsch]
*) mod_allowhandlers: New module to forbid specific handlers for specific
directories. [Stefan Fritsch]
*) mod_systemd: New module, for integration with systemd on Linux.
[Jan Kaluza <jkaluza redhat.com>]
*) WinNT MPM: Store pid and generation for each thread in scoreboard
to allow tracking of threads from exiting children via mod_status
or other such mechanisms. [Jeff Trawick]
*) The following now respect DefaultRuntimeDir/DEFAULT_REL_RUNTIMEDIR:
- APIs: ap_log_pid(), ap_remove_pid, ap_read_pid()
- mod_cache: thundering herd lock directory
- mod_lbmethod_heartbeat, mod_heartmonitor: heartbeat storage file
- mod_ldap: shared memory cache
- mod_socache_shmcb, mod_socache_dbm: shared memory or dbm for cache
[Jeff Trawick]
*) suexec: Add --enable-suexec-capabilites support on Linux, to use
setuid/setgid capability bits rather than a setuid root binary.
[Joe Orton]
*) suexec: Add support for logging to syslog as an alternative to logging
to a file; configure --without-suexec-logfile --with-suexec-syslog.
[Joe Orton]
*) mod_ssl: Add support for TLS Next Protocol Negotiation. PR 52210.
[Matthew Steele <mdsteele google.com>]
*) cross-compile: allow to provide CC_FOR_BUILD so that gen_test_char will
be compiled by the build compiler instead of the host compiler.
Also set CC_FOR_BUILD to 'cc' when cross-compilation is detected.
PR 51257. [Guenter Knauf]
*) core: In maintainer mode, replace apr_palloc with a version that
initializes the allocated memory with non-zero values, except if
AP_DEBUG_NO_ALLOC_POISON is defined. [Stefan Fritsch]
*) mod_policy: Add a new testing module to help server administrators
enforce a configurable level of protocol compliance on their
servers and application servers behind theirs. [Graham Leggett]
*) mod_firehose: Add a new debugging module able to record traffic
passing through the server in such a way that connections and/or
requests be reconstructed and replayed. [Graham Leggett]
*) mod_noloris
*) APREQ
*) Simple MPM
*) mod_serf
[Apache 2.5.0-dev includes those bug fixes and changes with the
Apache 2.4.xx tree as documented below, except as noted.]
Changes with Apache 2.4.x and later:
*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?view=markup
Changes with Apache 2.2.x and later:
*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?view=markup
Changes with Apache 2.0.x and later:
*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/CHANGES?view=markup
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