Annotation of win32/apache13/src/include/ap_mmn.h, revision 1.1
1.1 ! parser 1: /* ====================================================================
! 2: * Copyright (c) 1998-1999 The Apache Group. All rights reserved.
! 3: *
! 4: * Redistribution and use in source and binary forms, with or without
! 5: * modification, are permitted provided that the following conditions
! 6: * are met:
! 7: *
! 8: * 1. Redistributions of source code must retain the above copyright
! 9: * notice, this list of conditions and the following disclaimer.
! 10: *
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in
! 13: * the documentation and/or other materials provided with the
! 14: * distribution.
! 15: *
! 16: * 3. All advertising materials mentioning features or use of this
! 17: * software must display the following acknowledgment:
! 18: * "This product includes software developed by the Apache Group
! 19: * for use in the Apache HTTP server project (http://www.apache.org/)."
! 20: *
! 21: * 4. The names "Apache Server" and "Apache Group" must not be used to
! 22: * endorse or promote products derived from this software without
! 23: * prior written permission. For written permission, please contact
! 24: * apache@apache.org.
! 25: *
! 26: * 5. Products derived from this software may not be called "Apache"
! 27: * nor may "Apache" appear in their names without prior written
! 28: * permission of the Apache Group.
! 29: *
! 30: * 6. Redistributions of any form whatsoever must retain the following
! 31: * acknowledgment:
! 32: * "This product includes software developed by the Apache Group
! 33: * for use in the Apache HTTP server project (http://www.apache.org/)."
! 34: *
! 35: * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
! 36: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 37: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 38: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
! 39: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! 40: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 41: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
! 42: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 43: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 44: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 45: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
! 46: * OF THE POSSIBILITY OF SUCH DAMAGE.
! 47: * ====================================================================
! 48: *
! 49: * This software consists of voluntary contributions made by many
! 50: * individuals on behalf of the Apache Group and was originally based
! 51: * on public domain software written at the National Center for
! 52: * Supercomputing Applications, University of Illinois, Urbana-Champaign.
! 53: * For more information on the Apache Group and the Apache HTTP server
! 54: * project, please see <http://www.apache.org/>.
! 55: *
! 56: */
! 57:
! 58: #ifndef APACHE_AP_MMN_H
! 59: #define APACHE_AP_MMN_H
! 60:
! 61: /*
! 62: * MODULE_MAGIC_NUMBER_MAJOR
! 63: * Major API changes that could cause compatibility problems for older modules
! 64: * such as structure size changes. No binary compatibility is possible across
! 65: * a change in the major version.
! 66: *
! 67: * MODULE_MAGIC_NUMBER_MINOR
! 68: * Minor API changes that do not cause binary compatibility problems.
! 69: * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR.
! 70: *
! 71: * See the MODULE_MAGIC_AT_LEAST macro below for an example.
! 72: */
! 73:
! 74: /*
! 75: * 19950525 - original value
! 76: * 19960512 (1.1b2) - updated, 1.1, version.
! 77: * 19960526 (1.1b3) - get_token(), table_unset(), pstrndup()
! 78: * functions added
! 79: * 19960725 (1.2-dev) - HTTP/1.1 compliance
! 80: * (new version of read_client_block)
! 81: * 19960806 (1.2-dev) - scan_script_header_err() added
! 82: * 19961007 (1.2-dev) - replace read_client_block() with get_client_block()
! 83: * 19961125 (1.2b1) - change setup_client_block() to Roy's version
! 84: * 19961211 (1.2b3) - rwrite() added
! 85: * 19970103 (1.2b5-dev) - header parse API
! 86: * 19970427 (1.2b9-dev) - port references made unsigned
! 87: * 19970526 (1.2) - correct vhost walk for multiple requests on a single
! 88: * connect
! 89: * 19970623 (1.3-dev) - NT changes
! 90: * 19970628 (1.3-dev) - ap_slack (fd fixes) added
! 91: * 19970717 (1.3-dev) - child_init API hook added
! 92: * 19970719 (1.3-dev) - discard_request_body() added (to clear the decks
! 93: * as needed)
! 94: * 19970728 (1.3a2-dev) - child_exit API hook added
! 95: * 19970818 (1.3a2-dev) - post read-request phase added
! 96: * 19970825 (1.3a2-dev) - r->mtime cell added
! 97: * 19970831 (1.3a2-dev) - error logging changed to use aplog_error()
! 98: * 19970902 (1.3a2-dev) - MD5 routines and structures renamed to ap_*
! 99: * 19970912 (1.3b1-dev) - set_last_modified split into set_last_modified,
! 100: * set_etag and meets_conditions
! 101: * register_other_child API
! 102: * piped_log API
! 103: * short_score split into parent and child pieces
! 104: * os_is_absolute_path
! 105: * 19971026 (1.3b3-dev) - custom config hooks in place
! 106: * 19980126 (1.3b4-dev) - ap_cpystrn(), table_addn(), table_setn(),
! 107: * table_mergen()
! 108: * 19980201 (1.3b4-dev) - construct_url()
! 109: * prototype server_rec * -> request_rec *
! 110: * add get_server_name() and get_server_port()
! 111: * 19980207 (1.3b4-dev) - add dynamic_load_handle to module structure as part
! 112: * of the STANDARD_MODULE_STUFF header
! 113: * 19980304 (1.3b6-dev) - abstraction of SERVER_BUILT and SERVER_VERSION
! 114: * 19980305 (1.3b6-dev) - ap_config.h added for use by external modules
! 115: * 19980312 (1.3b6-dev) - parse_uri_components() and its ilk
! 116: * remove r->hostlen, add r->unparsed_uri
! 117: * set_string_slot_lower()
! 118: * clarification: non-RAW_ARGS cmd handlers do not
! 119: * need to pstrdup() their arguments
! 120: * clarification: request_rec members content_type,
! 121: * handler, content_encoding, content_language,
! 122: * content_languages MUST all be lowercase strings,
! 123: * and MAY NOT be modified in place -- modifications
! 124: * require pstrdup().
! 125: * 19980317 (1.3b6-dev) - CORE_EXPORTs for win32 and <Perl>
! 126: * API export basic_http_header, send_header_field,
! 127: * set_keepalive, srm_command_loop, check_cmd_context,
! 128: * tm2sec
! 129: * spacetoplus(), plustospace(), client_to_stdout()
! 130: * removed
! 131: * 19980324 (1.3b6-dev) - API_EXPORT(index_of_response)
! 132: * 19980413 (1.3b6-dev) - The BIG SYMBOL RENAMING: general ap_ prefix
! 133: * (see src/include/compat.h for more details)
! 134: * ap_vformatter() API, see src/include/ap.h
! 135: * 19980507 (1.3b7-dev) - addition of ap_add_version_component() and
! 136: * discontinuation of -DSERVER_SUBVERSION support
! 137: * 19980519 (1.3b7-dev) - add child_info * to spawn function (as passed to
! 138: * ap_spawn_child_err_buff) and to ap_call_exec to make
! 139: * children work correctly on Win32.
! 140: * 19980527 (1.3b8-dev) - renamed some more functions to ap_ prefix which were
! 141: * missed at the big renaming (they are defines):
! 142: * is_default_port, default_port and http_method.
! 143: * A new communication method for modules was added:
! 144: * they can create customized error messages under the
! 145: * "error-notes" key in the request_rec->notes table.
! 146: * This string will be printed in place of the canned
! 147: * error responses, and will be propagated to
! 148: * ErrorDocuments or cgi scripts in the
! 149: * (REDIRECT_)ERROR_NOTES variable.
! 150: * 19980627 (1.3.1-dev) - More renaming that we forgot/bypassed. In particular:
! 151: * table_elts --> ap_table_elts
! 152: * is_table_empty --> ap_is_table_empty
! 153: * 19980708 (1.3.1-dev) - ap_isalnum(), ap_isalpha(), ... "8-bit safe" ctype
! 154: * macros and apctype.h added
! 155: * 19980713 (1.3.1-dev) - renaming of C header files:
! 156: * 1. conf.h -> ap_config.h
! 157: * 2. conf_auto.h -> ap_config_auto.h - now merged
! 158: * 3. ap_config.h -> ap_config_auto.h - now merged
! 159: * 4. compat.h -> ap_compat.h
! 160: * 5. apctype.h -> ap_ctype.h
! 161: * 19980806 (1.3.2-dev) - add ap_log_rerror()
! 162: * - add ap_scan_script_header_err_core()
! 163: * - add ap_uuencode()
! 164: * - add ap_custom_response()
! 165: * 19980811 (1.3.2-dev) - added limit_req_line, limit_req_fieldsize, and
! 166: * limit_req_fields to server_rec.
! 167: * added limit_req_body to core_dir_config and
! 168: * ap_get_limit_req_body() to get its value.
! 169: * 19980812 (1.3.2-dev) - split off MODULE_MAGIC_NUMBER
! 170: * 19980812.2 - add ap_overlap_tables()
! 171: * 19980816 (1.3.2-dev) - change proxy to use tables for headers, change
! 172: * struct cache_req to typedef cache_req.
! 173: * Delete ap_proxy_get_header(), ap_proxy_add_header(),
! 174: * ap_proxy_del_header(). Change interface of
! 175: * ap_proxy_send_fb() and ap_proxy_cache_error().
! 176: * Add ap_proxy_send_hdr_line() and ap_proxy_bputs2().
! 177: * 19980825 (1.3.2-dev) - renamed is_HTTP_xxx() macros to ap_is_HTTP_xxx()
! 178: * 19980825.1 - mod_proxy only (minor change): modified interface of
! 179: * ap_proxy_read_headers() and rdcache() to use a
! 180: * request_rec* instead of pool*
! 181: * (for implementing better error reporting).
! 182: * 19980906 (1.3.2-dev) - added ap_md5_binary()
! 183: * 19980917 (1.3.2-dev) - bs2000: changed os_set_authfile() to os_set_account()
! 184: * 19981108 (1.3.4-dev) - added ap_method_number_of()
! 185: * - changed value of M_INVALID and added WebDAV methods
! 186: * 19981108.1 - ap_exists_config_define() is now public (minor bump)
! 187: * 19981204 - scoreboard changes -- added generation, changed
! 188: * exit_generation to running_generation. Somewhere
! 189: * earlier vhostrec was added, but it's only safe to use
! 190: * as of this rev. See scoreboard.h for documentation.
! 191: * 19981211 - DSO changes -- added ap_single_module_configure()
! 192: * -- added ap_single_module_init()
! 193: * 19981229 - mod_negotiation overhaul -- added ap_make_etag()
! 194: * and added vlist_validator to request_rec.
! 195: * 19990101 - renamed macro escape_uri() to ap_escape_uri()
! 196: * - added MODULE_MAGIC_COOKIE to identify module structs
! 197: * 19990103 (1.3.4-dev) - added ap_array_pstrcat()
! 198: * 19990105 (1.3.4-dev) - added ap_os_is_filename_valid()
! 199: * 19990106 (1.3.4-dev) - Move MODULE_MAGIC_COOKIE to the end of the
! 200: * STANDARD_MODULE_STUFF macro so the version
! 201: * numbers and file name remain at invariant offsets
! 202: * 19990108 (1.3.4-dev) - status_drops_connection -> ap_status_drops_connection
! 203: * scan_script_header -> ap_scan_script_header_err
! 204: * - reordered entries in request_rec that were waiting
! 205: * for a non-binary-compatible release.
! 206: * (1.3.5-dev)
! 207: * 19990108.1 - add ap_MD5Encode() for MD5 password handling.
! 208: * 19990108.2 - add ap_validate_password() and change ap_MD5Encode()
! 209: * to use a stronger algorithm.
! 210: * 19990108.4 - add ap_size_list_item(), ap_get_list_item(), and
! 211: * ap_find_list_item()
! 212: * 19990108.5 - added ap_sub_req_method_uri() and added const to the
! 213: * definition of method in request_rec.
! 214: * 19990108.6 - SIGPIPE is now ignored by the core server.
! 215: * 19990108.7 - ap_isxdigit added
! 216: * 19990320 - METHODS and M_INVALID symbol values modified
! 217: * 19990320.1 - add ap_vrprintf()
! 218: * 19990320.2 - add cmd_parms.context, ap_set_config_vectors,
! 219: * export ap_add_file_conf
! 220: * 19990320.3 - add ap_regexec() and ap_regerror()
! 221: * 19990320.4 - add ap_field_noparam()
! 222: * 19990320.5 - add local_ip/host to conn_rec for mass-vhost
! 223: * 19990320.6 - add ap_SHA1Final(), ap_SHA1Init(),
! 224: * ap_SHA1Update_binary(), ap_SHA1Update(),
! 225: * ap_base64encode(), ap_base64encode_binary(),
! 226: * ap_base64encode_len(), ap_base64decode(),
! 227: * ap_base64decode_binary(), ap_base64decode_len(),
! 228: * ap_pbase64decode(), ap_pbase64encode()
! 229: * 19990320.7 - add ap_strcasestr()
! 230: * 19990320.8 - add request_rec.case_preserved_filename
! 231: * 19990320.9 - renamed alloc.h to ap_alloc.h
! 232: * 19990320.10 - add ap_is_rdirectory() and ap_stripprefix()
! 233: */
! 234:
! 235: #define MODULE_MAGIC_COOKIE 0x41503133UL /* "AP13" */
! 236:
! 237: #ifndef MODULE_MAGIC_NUMBER_MAJOR
! 238: #define MODULE_MAGIC_NUMBER_MAJOR 19990320
! 239: #endif
! 240: #define MODULE_MAGIC_NUMBER_MINOR 10 /* 0...n */
! 241:
! 242: /* Useful for testing for features. */
! 243: #define AP_MODULE_MAGIC_AT_LEAST(major,minor) \
! 244: ((major) < MODULE_MAGIC_NUMBER_MAJOR \
! 245: || ((major) == MODULE_MAGIC_NUMBER_MAJOR \
! 246: && (minor) <= MODULE_MAGIC_NUMBER_MINOR))
! 247:
! 248: /*
! 249: * For example, suppose you wish to use the ap_overlap_tables
! 250: * function. You can do this:
! 251: *
! 252: * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
! 253: * ... use ap_overlap_tables()
! 254: * #else
! 255: * ... alternative code which doesn't use ap_overlap_tables()
! 256: * #endif
! 257: *
! 258: */
! 259:
! 260: /* deprecated. present for backwards compatibility */
! 261: #define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR
! 262: #define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using
! 263:
! 264: #endif /* !APACHE_AP_MMN_H */
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