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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/>.
- *
- * Portions of this software are based upon public domain software
- * originally written at the National Center for Supercomputing Applications,
- * University of Illinois, Urbana-Champaign.
- */
-
- #ifndef APACHE_HTTP_CORE_H
- #define APACHE_HTTP_CORE_H
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /*****************************************************************
- *
- * The most basic server code is encapsulated in a single module
- * known as the core, which is just *barely* functional enough to
- * serve documents, though not terribly well.
- *
- * Largely for NCSA back-compatibility reasons, the core needs to
- * make pieces of its config structures available to other modules.
- * The accessors are declared here, along with the interpretation
- * of one of them (allow_options).
- */
-
- #define OPT_NONE 0
- #define OPT_INDEXES 1
- #define OPT_INCLUDES 2
- #define OPT_SYM_LINKS 4
- #define OPT_EXECCGI 8
- #define OPT_UNSET 16
- #define OPT_INCNOEXEC 32
- #define OPT_SYM_OWNER 64
- #define OPT_MULTI 128
- #define OPT_ALL (OPT_INDEXES|OPT_INCLUDES|OPT_SYM_LINKS|OPT_EXECCGI)
-
- /* options for get_remote_host() */
- /* REMOTE_HOST returns the hostname, or NULL if the hostname
- * lookup fails. It will force a DNS lookup according to the
- * HostnameLookups setting.
- */
- #define REMOTE_HOST (0)
-
- /* REMOTE_NAME returns the hostname, or the dotted quad if the
- * hostname lookup fails. It will force a DNS lookup according
- * to the HostnameLookups setting.
- */
- #define REMOTE_NAME (1)
-
- /* REMOTE_NOLOOKUP is like REMOTE_NAME except that a DNS lookup is
- * never forced.
- */
- #define REMOTE_NOLOOKUP (2)
-
- /* REMOTE_DOUBLE_REV will always force a DNS lookup, and also force
- * a double reverse lookup, regardless of the HostnameLookups
- * setting. The result is the (double reverse checked) hostname,
- * or NULL if any of the lookups fail.
- */
- #define REMOTE_DOUBLE_REV (3)
-
- #define SATISFY_ALL 0
- #define SATISFY_ANY 1
- #define SATISFY_NOSPEC 2
-
- API_EXPORT(int) ap_allow_options (request_rec *);
- API_EXPORT(int) ap_allow_overrides (request_rec *);
- API_EXPORT(const char *) ap_default_type (request_rec *);
- API_EXPORT(const char *) ap_document_root (request_rec *); /* Don't use this! If your request went
- * through a Userdir, or something like
- * that, it'll screw you. But it's
- * back-compatible...
- */
- API_EXPORT(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config, int type);
- API_EXPORT(const char *) ap_get_remote_logname(request_rec *r);
-
- /* Used for constructing self-referencing URLs, and things like SERVER_PORT,
- * and SERVER_NAME.
- */
- API_EXPORT(char *) ap_construct_url(pool *p, const char *uri, request_rec *r);
- API_EXPORT(const char *) ap_get_server_name(request_rec *r);
- API_EXPORT(unsigned) ap_get_server_port(const request_rec *r);
- API_EXPORT(unsigned long) ap_get_limit_req_body(const request_rec *r);
- API_EXPORT(void) ap_custom_response(request_rec *r, int status, char *string);
- API_EXPORT(int) ap_exists_config_define(char *name);
-
- /* Authentication stuff. This is one of the places where compatibility
- * with the old config files *really* hurts; they don't discriminate at
- * all between different authentication schemes, meaning that we need
- * to maintain common state for all of them in the core, and make it
- * available to the other modules through interfaces.
- */
-
- typedef struct {
- int method_mask;
- char *requirement;
- } require_line;
-
- API_EXPORT(const char *) ap_auth_type (request_rec *);
- API_EXPORT(const char *) ap_auth_name (request_rec *);
- API_EXPORT(int) ap_satisfies (request_rec *r);
- API_EXPORT(const array_header *) ap_requires (request_rec *);
-
- #ifdef WIN32
- /*
- * CGI Script stuff for Win32...
- */
- typedef enum { eFileTypeUNKNOWN, eFileTypeBIN, eFileTypeEXE16, eFileTypeEXE32,
- eFileTypeSCRIPT } file_type_e;
- typedef enum { INTERPRETER_SOURCE_UNSET, INTERPRETER_SOURCE_REGISTRY,
- INTERPRETER_SOURCE_SHEBANG } interpreter_source_e;
- API_EXPORT(file_type_e) ap_get_win32_interpreter(const request_rec *, char **);
- #endif
-
- #ifdef CORE_PRIVATE
-
- /*
- * Core is also unlike other modules in being implemented in more than
- * one file... so, data structures are declared here, even though most of
- * the code that cares really is in http_core.c. Also, another accessor.
- */
-
- char *ap_response_code_string (request_rec *r, int error_index);
-
- extern API_VAR_EXPORT module core_module;
-
- /* Per-directory configuration */
-
- typedef unsigned char allow_options_t;
- typedef unsigned char overrides_t;
-
- typedef struct {
- /* path of the directory/regex/etc. see also d_is_fnmatch below */
- char *d;
- /* the number of slashes in d */
- unsigned d_components;
-
- /* If (opts & OPT_UNSET) then no absolute assignment to options has
- * been made.
- * invariant: (opts_add & opts_remove) == 0
- * Which said another way means that the last relative (options + or -)
- * assignment made to each bit is recorded in exactly one of opts_add
- * or opts_remove.
- */
- allow_options_t opts;
- allow_options_t opts_add;
- allow_options_t opts_remove;
- overrides_t override;
-
- /* MIME typing --- the core doesn't do anything at all with this,
- * but it does know what to slap on a request for a document which
- * goes untyped by other mechanisms before it slips out the door...
- */
-
- char *ap_default_type;
-
- /* Authentication stuff. Groan... */
-
- int satisfy;
- char *ap_auth_type;
- char *ap_auth_name;
- array_header *ap_requires;
-
- /* Custom response config. These can contain text or a URL to redirect to.
- * if response_code_strings is NULL then there are none in the config,
- * if it's not null then it's allocated to sizeof(char*)*RESPONSE_CODES.
- * This lets us do quick merges in merge_core_dir_configs().
- */
-
- char **response_code_strings;
-
- /* Hostname resolution etc */
- #define HOSTNAME_LOOKUP_OFF 0
- #define HOSTNAME_LOOKUP_ON 1
- #define HOSTNAME_LOOKUP_DOUBLE 2
- #define HOSTNAME_LOOKUP_UNSET 3
- unsigned int hostname_lookups : 4;
-
- signed int do_rfc1413 : 2; /* See if client is advertising a username? */
-
- signed int content_md5 : 2; /* calculate Content-MD5? */
-
- #define USE_CANONICAL_NAME_OFF (0)
- #define USE_CANONICAL_NAME_ON (1)
- #define USE_CANONICAL_NAME_DNS (2)
- #define USE_CANONICAL_NAME_UNSET (3)
- unsigned use_canonical_name : 2;
-
- /* since is_fnmatch(conf->d) was being called so frequently in
- * directory_walk() and its relatives, this field was created and
- * is set to the result of that call.
- */
- unsigned d_is_fnmatch : 1;
-
- /* should we force a charset on any outgoing parameterless content-type?
- * if so, which charset?
- */
- #define ADD_DEFAULT_CHARSET_OFF (0)
- #define ADD_DEFAULT_CHARSET_ON (1)
- #define ADD_DEFAULT_CHARSET_UNSET (2)
- unsigned add_default_charset : 2;
- char *add_default_charset_name;
-
- /* System Resource Control */
- #ifdef RLIMIT_CPU
- struct rlimit *limit_cpu;
- #endif
- #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
- struct rlimit *limit_mem;
- #endif
- #ifdef RLIMIT_NPROC
- struct rlimit *limit_nproc;
- #endif
- unsigned long limit_req_body; /* limit on bytes in request msg body */
-
- /* logging options */
- enum { srv_sig_unset, srv_sig_off, srv_sig_on,
- srv_sig_withmail } server_signature;
- int loglevel;
-
- /* Access control */
- array_header *sec;
- regex_t *r;
-
- #ifdef WIN32
- /* Where to find interpreter to run scripts */
- interpreter_source_e script_interpreter_source;
- #endif
-
- } core_dir_config;
-
- /* Per-server core configuration */
-
- typedef struct {
-
- #ifdef GPROF
- char *gprof_dir;
- #endif
-
- /* Name translations --- we want the core to be able to do *something*
- * so it's at least a minimally functional web server on its own (and
- * can be tested that way). But let's keep it to the bare minimum:
- */
- char *ap_document_root;
-
- /* Access control */
-
- char *access_name;
- array_header *sec;
- array_header *sec_url;
- } core_server_config;
-
- /* for http_config.c */
- void ap_core_reorder_directories(pool *, server_rec *);
-
- /* for mod_perl */
- CORE_EXPORT(void) ap_add_per_dir_conf (server_rec *s, void *dir_config);
- CORE_EXPORT(void) ap_add_per_url_conf (server_rec *s, void *url_config);
- CORE_EXPORT(void) ap_add_file_conf(core_dir_config *conf, void *url_config);
- CORE_EXPORT_NONSTD(const char *) ap_limit_section (cmd_parms *cmd, void *dummy, const char *arg);
-
- #endif
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* !APACHE_HTTP_CORE_H */
-