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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APACHE_AP_MMN_H
#define APACHE_AP_MMN_H
/**
* @package Module Magic Number
*/
/*
* MODULE_MAGIC_NUMBER_MAJOR
* Major API changes that could cause compatibility problems for older modules
* such as structure size changes. No binary compatibility is possible across
* a change in the major version.
*
* MODULE_MAGIC_NUMBER_MINOR
* Minor API changes that do not cause binary compatibility problems.
* Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
*
* See the MODULE_MAGIC_AT_LEAST macro below for an example.
*/
/*
* 19950525 - original value
* 19960512 (1.1b2) - updated, 1.1, version.
* 19960526 (1.1b3) - get_token(), table_unset(), pstrndup()
* functions added
* 19960725 (1.2-dev) - HTTP/1.1 compliance
* (new version of read_client_block)
* 19960806 (1.2-dev) - scan_script_header_err() added
* 19961007 (1.2-dev) - replace read_client_block() with get_client_block()
* 19961125 (1.2b1) - change setup_client_block() to Roy's version
* 19961211 (1.2b3) - rwrite() added
* 19970103 (1.2b5-dev) - header parse API
* 19970427 (1.2b9-dev) - port references made unsigned
* 19970526 (1.2) - correct vhost walk for multiple requests on a single
* connect
* 19970623 (1.3-dev) - NT changes
* 19970628 (1.3-dev) - ap_slack (fd fixes) added
* 19970717 (1.3-dev) - child_init API hook added
* 19970719 (1.3-dev) - discard_request_body() added (to clear the decks
* as needed)
* 19970728 (1.3a2-dev) - child_exit API hook added
* 19970818 (1.3a2-dev) - post read-request phase added
* 19970825 (1.3a2-dev) - r->mtime cell added
* 19970831 (1.3a2-dev) - error logging changed to use aplog_error()
* 19970902 (1.3a2-dev) - MD5 routines and structures renamed to ap_*
* 19970912 (1.3b1-dev) - set_last_modified split into set_last_modified,
* set_etag and meets_conditions
* register_other_child API
* piped_log API
* short_score split into parent and child pieces
* os_is_absolute_path
* 19971026 (1.3b3-dev) - custom config hooks in place
* 19980126 (1.3b4-dev) - apr_cpystrn(), table_addn(), table_setn(),
* table_mergen()
* 19980201 (1.3b4-dev) - construct_url()
* prototype server_rec * -> request_rec *
* add get_server_name() and get_server_port()
* 19980207 (1.3b4-dev) - add dynamic_load_handle to module structure as part
* of the STANDARD_MODULE_STUFF header
* 19980304 (1.3b6-dev) - abstraction of SERVER_BUILT and SERVER_VERSION
* 19980305 (1.3b6-dev) - ap_config.h added for use by external modules
* 19980312 (1.3b6-dev) - parse_uri_components() and its ilk
* remove r->hostlen, add r->unparsed_uri
* set_string_slot_lower()
* clarification: non-RAW_ARGS cmd handlers do not
* need to pstrdup() their arguments
* clarification: request_rec members content_type,
* handler, content_encoding, content_language,
* content_languages MUST all be lowercase strings,
* and MAY NOT be modified in place -- modifications
* require pstrdup().
* 19980317 (1.3b6-dev) - AP_CORE_DECLAREs for win32 and <Perl>
* API export basic_http_header, send_header_field,
* set_keepalive, srm_command_loop, check_cmd_context,
* tm2sec
* spacetoplus(), plustospace(), client_to_stdout()
* removed
* 19980324 (1.3b6-dev) - AP_DECLARE(index_of_response)
* 19980413 (1.3b6-dev) - The BIG SYMBOL RENAMING: general ap_ prefix
* (see src/include/compat.h for more details)
* apr_vformatter() API, see src/include/ap.h
* 19980507 (1.3b7-dev) - addition of ap_add_version_component() and
* discontinuation of -DSERVER_SUBVERSION support
* 19980519 (1.3b7-dev) - add child_info * to spawn function (as passed to
* ap_spawn_child_err_buff) and to ap_call_exec to make
* children work correctly on Win32.
* 19980527 (1.3b8-dev) - renamed some more functions to ap_ prefix which were
* missed at the big renaming (they are defines):
* is_default_port, default_port and http_method.
* A new communication method for modules was added:
* they can create customized error messages under the
* "error-notes" key in the request_rec->notes table.
* This string will be printed in place of the canned
* error responses, and will be propagated to
* ErrorDocuments or cgi scripts in the
* (REDIRECT_)ERROR_NOTES variable.
* 19980627 (1.3.1-dev) - More renaming that we forgot/bypassed. In particular:
* table_elts --> ap_table_elts
* is_table_empty --> ap_is_table_empty
* 19980708 (1.3.1-dev) - ap_isalnum(), ap_isalpha(), ... "8-bit safe" ctype
* macros and apctype.h added
* 19980713 (1.3.1-dev) - renaming of C header files:
* 1. conf.h -> ap_config.h
* 2. conf_auto.h -> ap_config_auto.h - now merged
* 3. ap_config.h -> ap_config_auto.h - now merged
* 4. compat.h -> ap_compat.h
* 5. apctype.h -> ap_ctype.h
* 19980806 (1.3.2-dev) - add ap_log_rerror()
* - add ap_scan_script_header_err_core()
* - add ap_uuencode()
* - add ap_custom_response()
* 19980811 (1.3.2-dev) - added limit_req_line, limit_req_fieldsize, and
* limit_req_fields to server_rec.
* added limit_req_body to core_dir_config and
* ap_get_limit_req_body() to get its value.
* 19980812 (1.3.2-dev) - split off MODULE_MAGIC_NUMBER
* 19980812.2 - add apr_table_overlap()
* 19980816 (1.3.2-dev) - change proxy to use tables for headers, change
* struct cache_req to typedef cache_req.
* Delete ap_proxy_get_header(), ap_proxy_add_header(),
* ap_proxy_del_header(). Change interface of
* ap_proxy_send_fb() and ap_proxy_cache_error().
* Add ap_proxy_send_hdr_line() and ap_proxy_bputs2().
* 19980825 (1.3.2-dev) - renamed is_HTTP_xxx() macros to ap_is_HTTP_xxx()
* 19980825.1 - mod_proxy only (minor change): modified interface of
* ap_proxy_read_headers() and rdcache() to use a
* request_rec* instead of pool*
* (for implementing better error reporting).
* 19980906 (1.3.2-dev) - added ap_md5_binary()
* 19980917 (1.3.2-dev) - bs2000: changed os_set_authfile() to os_set_account()
* 19981108 (1.3.4-dev) - added ap_method_number_of()
* - changed value of M_INVALID and added WebDAV methods
* 19981108.1 - ap_exists_config_define() is now public (minor bump)
* 19981204 - scoreboard changes -- added generation, changed
* exit_generation to running_generation. Somewhere
* earlier vhostrec was added, but it's only safe to use
* as of this rev. See scoreboard.h for documentation.
* 19981211 - DSO changes -- added ap_single_module_configure()
* -- added ap_single_module_init()
* 19981229 - mod_negotiation overhaul -- added ap_make_etag()
* and added vlist_validator to request_rec.
* 19990101 - renamed macro escape_uri() to ap_escape_uri()
* - added MODULE_MAGIC_COOKIE to identify module structs
* 19990103 (1.3.4-dev) - added apr_array_pstrcat()
* 19990105 (1.3.4-dev) - added ap_os_is_filename_valid()
* 19990106 (1.3.4-dev) - Move MODULE_MAGIC_COOKIE to the end of the
* STANDARD_MODULE_STUFF macro so the version
* numbers and file name remain at invariant offsets
* 19990108 (1.3.4-dev) - status_drops_connection -> ap_status_drops_connection
* scan_script_header -> ap_scan_script_header_err
* - reordered entries in request_rec that were waiting
* for a non-binary-compatible release.
* (1.3.5-dev)
* 19990108.1 - add apr_md5_encode() for MD5 password handling.
* 19990108.2 - add apr_password_validate() and change apr_md5_encode()
* to use a stronger algorithm.
* 19990108.4 - add ap_size_list_item(), ap_get_list_item(), and
* ap_find_list_item()
* 19990108.5 - added ap_sub_req_method_uri() and added const to the
* definition of method in request_rec.
* 19990108.6 - SIGPIPE is now ignored by the core server.
* 19990108.7 - ap_isxdigit added
* 19990320 - METHODS and M_INVALID symbol values modified
* 19990320.1 - add ap_vrprintf()
* 19990320.2 - add cmd_parms.context, ap_set_config_vectors,
* export ap_add_file_conf
* 19990320.3 - add ap_regexec() and ap_regerror()
* 19990320.4 - add ap_field_noparam()
* 19990320.5 - add local_ip/host to conn_rec for mass-vhost
* 19990320.6 - add apr_sha1_final(), apr_sha1_init(),
* apr_sha1_update_binary(), apr_sha1_update(),
* apr_base64_encode(), apr_base64_encode_binary(),
* apr_base64_encode_len(), apr_base64_decode(),
* apr_base64_decode_binary(), apr_base64_decode_len(),
* ap_pbase64decode(), ap_pbase64encode()
*/
#define MODULE_MAGIC_COOKIE 0x41503133UL /* "AP13" */
#ifndef MODULE_MAGIC_NUMBER_MAJOR
#define MODULE_MAGIC_NUMBER_MAJOR 20000330
#endif
#define MODULE_MAGIC_NUMBER_MINOR 1 /* 0...n */
#define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR /* backward compat */
/**
* Determine if the server's current MODULE_MAGIC_NUMBER is at least a
* specified value.
* <PRE>
* Useful for testing for features.
* For example, suppose you wish to use the apr_table_overlap
* function. You can do this:
*
* #if MODULE_MAGIC_AT_LEAST(19980812,2)
* ... use apr_table_overlap()
* #else
* ... alternative code which doesn't use apr_table_overlap()
* #endif
* </PRE>
* @param major The major module magic number
* @param minor The minor module magic number
* @deffunc MODULE_MAGIC_AT_LEAST(int major, int minor)
*/
#define MODULE_MAGIC_AT_LEAST(major,minor) \
((major) > MODULE_MAGIC_NUMBER_MAJOR \
|| ((major) == MODULE_MAGIC_NUMBER_MAJOR \
&& (minor) >= MODULE_MAGIC_NUMBER_MINOR))
#endif /* !APACHE_AP_MMN_H */
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