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- /* ====================================================================
- * Copyright (c) 1995-1999 The Apache Group. 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. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" 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 names without prior written
- * permission of the Apache Group.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
- #define CORE_PRIVATE
- #include "httpd.h"
- #include "http_config.h"
- #include "http_core.h"
- #include "http_protocol.h" /* For index_of_response(). Grump. */
- #include "http_request.h"
- #include "http_conf_globals.h"
- #include "http_vhost.h"
- #include "http_main.h" /* For the default_handler below... */
- #include "http_log.h"
- #include "rfc1413.h"
- #include "util_md5.h"
- #include "scoreboard.h"
- #include "fnmatch.h"
-
- #ifdef USE_MMAP_FILES
- #include <sys/mman.h>
-
- /* mmap support for static files based on ideas from John Heidemann's
- * patch against 1.0.5. See
- * <http://www.isi.edu/~johnh/SOFTWARE/APACHE/index.html>.
- */
-
- /* Files have to be at least this big before they're mmap()d. This is to deal
- * with systems where the expense of doing an mmap() and an munmap() outweighs
- * the benefit for small files. It shouldn't be set lower than 1.
- */
- #ifndef MMAP_THRESHOLD
- #ifdef SUNOS4
- #define MMAP_THRESHOLD (8*1024)
- #else
- #define MMAP_THRESHOLD 1
- #endif
- #endif
- #endif
-
- /* Server core module... This module provides support for really basic
- * server operations, including options and commands which control the
- * operation of other modules. Consider this the bureaucracy module.
- *
- * The core module also defines handlers, etc., do handle just enough
- * to allow a server with the core module ONLY to actually serve documents
- * (though it slaps DefaultType on all of 'em); this was useful in testing,
- * but may not be worth preserving.
- *
- * This file could almost be mod_core.c, except for the stuff which affects
- * the http_conf_globals.
- */
-
- static void *create_core_dir_config(pool *a, char *dir)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_pcalloc(a, sizeof(core_dir_config));
- if (!dir || dir[strlen(dir) - 1] == '/') {
- conf->d = dir;
- }
- else if (strncmp(dir, "proxy:", 6) == 0) {
- conf->d = ap_pstrdup(a, dir);
- }
- else {
- conf->d = ap_pstrcat(a, dir, "/", NULL);
- }
- conf->d_is_fnmatch = conf->d ? (ap_is_fnmatch(conf->d) != 0) : 0;
- conf->d_components = conf->d ? ap_count_dirs(conf->d) : 0;
-
- conf->opts = dir ? OPT_UNSET : OPT_UNSET|OPT_ALL;
- conf->opts_add = conf->opts_remove = OPT_NONE;
- conf->override = dir ? OR_UNSET : OR_UNSET|OR_ALL;
-
- conf->content_md5 = 2;
-
- conf->use_canonical_name = 1 | 2; /* 2 = unset, default on */
-
- conf->hostname_lookups = HOSTNAME_LOOKUP_UNSET;
- conf->do_rfc1413 = DEFAULT_RFC1413 | 2; /* set bit 1 to indicate default */
- conf->satisfy = SATISFY_NOSPEC;
-
- #ifdef RLIMIT_CPU
- conf->limit_cpu = NULL;
- #endif
- #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
- conf->limit_mem = NULL;
- #endif
- #ifdef RLIMIT_NPROC
- conf->limit_nproc = NULL;
- #endif
-
- conf->limit_req_body = 0;
- conf->sec = ap_make_array(a, 2, sizeof(void *));
-
- return (void *)conf;
- }
-
- static void *merge_core_dir_configs(pool *a, void *basev, void *newv)
- {
- core_dir_config *base = (core_dir_config *)basev;
- core_dir_config *new = (core_dir_config *)newv;
- core_dir_config *conf;
- int i;
-
- conf = (core_dir_config *)ap_palloc(a, sizeof(core_dir_config));
- memcpy((char *)conf, (const char *)base, sizeof(core_dir_config));
- if (base->response_code_strings) {
- conf->response_code_strings =
- ap_palloc(a, sizeof(*conf->response_code_strings)
- * RESPONSE_CODES);
- memcpy(conf->response_code_strings, base->response_code_strings,
- sizeof(*conf->response_code_strings) * RESPONSE_CODES);
- }
-
- conf->d = new->d;
- conf->d_is_fnmatch = new->d_is_fnmatch;
- conf->d_components = new->d_components;
- conf->r = new->r;
-
- if (new->opts & OPT_UNSET) {
- /* there was no explicit setting of new->opts, so we merge
- * preserve the invariant (opts_add & opts_remove) == 0
- */
- conf->opts_add = (conf->opts_add & ~new->opts_remove) | new->opts_add;
- conf->opts_remove = (conf->opts_remove & ~new->opts_add)
- | new->opts_remove;
- conf->opts = (conf->opts & ~conf->opts_remove) | conf->opts_add;
- if ((base->opts & OPT_INCNOEXEC) && (new->opts & OPT_INCLUDES)) {
- conf->opts = (conf->opts & ~OPT_INCNOEXEC) | OPT_INCLUDES;
- }
- }
- else {
- /* otherwise we just copy, because an explicit opts setting
- * overrides all earlier +/- modifiers
- */
- conf->opts = new->opts;
- conf->opts_add = new->opts_add;
- conf->opts_remove = new->opts_remove;
- }
-
- if (!(new->override & OR_UNSET)) {
- conf->override = new->override;
- }
- if (new->ap_default_type) {
- conf->ap_default_type = new->ap_default_type;
- }
-
- if (new->ap_auth_type) {
- conf->ap_auth_type = new->ap_auth_type;
- }
- if (new->ap_auth_name) {
- conf->ap_auth_name = new->ap_auth_name;
- }
- if (new->ap_requires) {
- conf->ap_requires = new->ap_requires;
- }
-
- if (new->response_code_strings) {
- if (conf->response_code_strings == NULL) {
- conf->response_code_strings = ap_palloc(a,
- sizeof(*conf->response_code_strings) * RESPONSE_CODES);
- memcpy(conf->response_code_strings, new->response_code_strings,
- sizeof(*conf->response_code_strings) * RESPONSE_CODES);
- }
- else {
- for (i = 0; i < RESPONSE_CODES; ++i) {
- if (new->response_code_strings[i] != NULL) {
- conf->response_code_strings[i]
- = new->response_code_strings[i];
- }
- }
- }
- }
- if (new->hostname_lookups != HOSTNAME_LOOKUP_UNSET) {
- conf->hostname_lookups = new->hostname_lookups;
- }
- if ((new->do_rfc1413 & 2) == 0) {
- conf->do_rfc1413 = new->do_rfc1413;
- }
- if ((new->content_md5 & 2) == 0) {
- conf->content_md5 = new->content_md5;
- }
- if ((new->use_canonical_name & 2) == 0) {
- conf->use_canonical_name = new->use_canonical_name;
- }
-
- #ifdef RLIMIT_CPU
- if (new->limit_cpu) {
- conf->limit_cpu = new->limit_cpu;
- }
- #endif
- #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
- if (new->limit_mem) {
- conf->limit_mem = new->limit_mem;
- }
- #endif
- #ifdef RLIMIT_NPROC
- if (new->limit_nproc) {
- conf->limit_nproc = new->limit_nproc;
- }
- #endif
-
- if (new->limit_req_body) {
- conf->limit_req_body = new->limit_req_body;
- }
- conf->sec = ap_append_arrays(a, base->sec, new->sec);
-
- if (new->satisfy != SATISFY_NOSPEC) {
- conf->satisfy = new->satisfy;
- }
- return (void*)conf;
- }
-
- static void *create_core_server_config(pool *a, server_rec *s)
- {
- core_server_config *conf;
- int is_virtual = s->is_virtual;
-
- conf = (core_server_config *)ap_pcalloc(a, sizeof(core_server_config));
- #ifdef GPROF
- conf->gprof_dir = NULL;
- #endif
- conf->access_name = is_virtual ? NULL : DEFAULT_ACCESS_FNAME;
- conf->ap_document_root = is_virtual ? NULL : DOCUMENT_LOCATION;
- conf->sec = ap_make_array(a, 40, sizeof(void *));
- conf->sec_url = ap_make_array(a, 40, sizeof(void *));
-
- return (void *)conf;
- }
-
- static void *merge_core_server_configs(pool *p, void *basev, void *virtv)
- {
- core_server_config *base = (core_server_config *)basev;
- core_server_config *virt = (core_server_config *)virtv;
- core_server_config *conf;
-
- conf = (core_server_config *)ap_pcalloc(p, sizeof(core_server_config));
- *conf = *virt;
- if (!conf->access_name) {
- conf->access_name = base->access_name;
- }
- if (!conf->ap_document_root) {
- conf->ap_document_root = base->ap_document_root;
- }
- conf->sec = ap_append_arrays(p, base->sec, virt->sec);
- conf->sec_url = ap_append_arrays(p, base->sec_url, virt->sec_url);
-
- return conf;
- }
-
- /* Add per-directory configuration entry (for <directory> section);
- * these are part of the core server config.
- */
-
- CORE_EXPORT(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
- {
- core_server_config *sconf = ap_get_module_config(s->module_config,
- &core_module);
- void **new_space = (void **)ap_push_array(sconf->sec);
-
- *new_space = dir_config;
- }
-
- CORE_EXPORT(void) ap_add_per_url_conf(server_rec *s, void *url_config)
- {
- core_server_config *sconf = ap_get_module_config(s->module_config,
- &core_module);
- void **new_space = (void **)ap_push_array(sconf->sec_url);
-
- *new_space = url_config;
- }
-
- static void add_file_conf(core_dir_config *conf, void *url_config)
- {
- void **new_space = (void **)ap_push_array(conf->sec);
-
- *new_space = url_config;
- }
-
- /* core_reorder_directories reorders the directory sections such that the
- * 1-component sections come first, then the 2-component, and so on, finally
- * followed by the "special" sections. A section is "special" if it's a regex,
- * or if it doesn't start with / -- consider proxy: matching. All movements
- * are in-order to preserve the ordering of the sections from the config files.
- * See directory_walk().
- */
-
- #if defined(OS2) || defined(WIN32)
- #define IS_SPECIAL(entry_core) \
- ((entry_core)->r != NULL \
- || ((entry_core)->d[0] != '/' && (entry_core)->d[1] != ':'))
- #else
- #define IS_SPECIAL(entry_core) \
- ((entry_core)->r != NULL || (entry_core)->d[0] != '/')
- #endif
-
- /* We need to do a stable sort, qsort isn't stable. So to make it stable
- * we'll be maintaining the original index into the list, and using it
- * as the minor key during sorting. The major key is the number of
- * components (where a "special" section has infinite components).
- */
- struct reorder_sort_rec {
- void *elt;
- int orig_index;
- };
-
- static int reorder_sorter(const void *va, const void *vb)
- {
- const struct reorder_sort_rec *a = va;
- const struct reorder_sort_rec *b = vb;
- core_dir_config *core_a;
- core_dir_config *core_b;
-
- core_a = (core_dir_config *)ap_get_module_config(a->elt, &core_module);
- core_b = (core_dir_config *)ap_get_module_config(b->elt, &core_module);
- if (IS_SPECIAL(core_a)) {
- if (!IS_SPECIAL(core_b)) {
- return 1;
- }
- }
- else if (IS_SPECIAL(core_b)) {
- return -1;
- }
- else {
- /* we know they're both not special */
- if (core_a->d_components < core_b->d_components) {
- return -1;
- }
- else if (core_a->d_components > core_b->d_components) {
- return 1;
- }
- }
- /* Either they're both special, or they're both not special and have the
- * same number of components. In any event, we now have to compare
- * the minor key. */
- return a->orig_index - b->orig_index;
- }
-
- void ap_core_reorder_directories(pool *p, server_rec *s)
- {
- core_server_config *sconf;
- array_header *sec;
- struct reorder_sort_rec *sortbin;
- int nelts;
- void **elts;
- int i;
-
- /* XXX: we are about to waste some ram ... we will build a new array
- * and we need some scratch space to do it. The old array and the
- * scratch space are never freed.
- */
- sconf = ap_get_module_config(s->module_config, &core_module);
- sec = sconf->sec;
- nelts = sec->nelts;
- elts = (void **)sec->elts;
-
- /* build our sorting space */
- sortbin = ap_palloc(p, sec->nelts * sizeof(*sortbin));
- for (i = 0; i < nelts; ++i) {
- sortbin[i].orig_index = i;
- sortbin[i].elt = elts[i];
- }
-
- qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
-
- /* and now build a new array */
- /* XXX: uh I don't see why we can't reuse the old array, what
- * was I thinking? -djg */
- sec = ap_make_array(p, nelts, sizeof(void *));
- for (i = 0; i < nelts; ++i) {
- *(void **)ap_push_array(sec) = sortbin[i].elt;
- }
-
- sconf->sec = sec;
- }
-
- /*****************************************************************
- *
- * There are some elements of the core config structures in which
- * other modules have a legitimate interest (this is ugly, but necessary
- * to preserve NCSA back-compatibility). So, we have a bunch of accessors
- * here...
- */
-
- API_EXPORT(int) ap_allow_options(request_rec *r)
- {
- core_dir_config *conf =
- (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
-
- return conf->opts;
- }
-
- API_EXPORT(int) ap_allow_overrides(request_rec *r)
- {
- core_dir_config *conf;
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
-
- return conf->override;
- }
-
- API_EXPORT(const char *) ap_auth_type(request_rec *r)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- return conf->ap_auth_type;
- }
-
- API_EXPORT(const char *) ap_auth_name(request_rec *r)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- return conf->ap_auth_name;
- }
-
- API_EXPORT(const char *) ap_default_type(request_rec *r)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- return conf->ap_default_type
- ? conf->ap_default_type
- : DEFAULT_CONTENT_TYPE;
- }
-
- API_EXPORT(const char *) ap_document_root(request_rec *r) /* Don't use this! */
- {
- core_server_config *conf;
-
- conf = (core_server_config *)ap_get_module_config(r->server->module_config,
- &core_module);
- return conf->ap_document_root;
- }
-
- API_EXPORT(const array_header *) ap_requires(request_rec *r)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- return conf->ap_requires;
- }
-
- API_EXPORT(int) ap_satisfies(request_rec *r)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
-
- return conf->satisfy;
- }
-
- /* Should probably just get rid of this... the only code that cares is
- * part of the core anyway (and in fact, it isn't publicised to other
- * modules).
- */
-
- char *ap_response_code_string(request_rec *r, int error_index)
- {
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
-
- if (conf->response_code_strings == NULL) {
- return NULL;
- }
- return conf->response_code_strings[error_index];
- }
-
-
- /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
- static ap_inline void do_double_reverse (conn_rec *conn)
- {
- struct hostent *hptr;
-
- if (conn->double_reverse) {
- /* already done */
- return;
- }
- if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
- /* single reverse failed, so don't bother */
- conn->double_reverse = -1;
- return;
- }
- hptr = gethostbyname(conn->remote_host);
- if (hptr) {
- char **haddr;
-
- for (haddr = hptr->h_addr_list; *haddr; haddr++) {
- if (((struct in_addr *)(*haddr))->s_addr
- == conn->remote_addr.sin_addr.s_addr) {
- conn->double_reverse = 1;
- return;
- }
- }
- }
- conn->double_reverse = -1;
- }
-
- API_EXPORT(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
- int type)
- {
- struct in_addr *iaddr;
- struct hostent *hptr;
- int hostname_lookups;
- int old_stat = SERVER_DEAD; /* we shouldn't ever be in this state */
-
- /* If we haven't checked the host name, and we want to */
- if (dir_config) {
- hostname_lookups =
- ((core_dir_config *)ap_get_module_config(dir_config, &core_module))
- ->hostname_lookups;
- if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
- hostname_lookups = HOSTNAME_LOOKUP_OFF;
- }
- }
- else {
- /* the default */
- hostname_lookups = HOSTNAME_LOOKUP_OFF;
- }
-
- if (type != REMOTE_NOLOOKUP
- && conn->remote_host == NULL
- && (type == REMOTE_DOUBLE_REV
- || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
- old_stat = ap_update_child_status(conn->child_num, SERVER_BUSY_DNS,
- (request_rec*)NULL);
- iaddr = &(conn->remote_addr.sin_addr);
- hptr = gethostbyaddr((char *)iaddr, sizeof(struct in_addr), AF_INET);
- if (hptr != NULL) {
- conn->remote_host = ap_pstrdup(conn->pool, (void *)hptr->h_name);
- ap_str_tolower(conn->remote_host);
-
- if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
- do_double_reverse(conn);
- if (conn->double_reverse != 1) {
- conn->remote_host = NULL;
- }
- }
- }
- /* if failed, set it to the NULL string to indicate error */
- if (conn->remote_host == NULL) {
- conn->remote_host = "";
- }
- }
- if (type == REMOTE_DOUBLE_REV) {
- do_double_reverse(conn);
- if (conn->double_reverse == -1) {
- return NULL;
- }
- }
- if (old_stat != SERVER_DEAD) {
- (void)ap_update_child_status(conn->child_num, old_stat,
- (request_rec*)NULL);
- }
-
- /*
- * Return the desired information; either the remote DNS name, if found,
- * or either NULL (if the hostname was requested) or the IP address
- * (if any identifier was requested).
- */
- if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
- return conn->remote_host;
- }
- else {
- if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
- return NULL;
- }
- else {
- return conn->remote_ip;
- }
- }
- }
-
- API_EXPORT(const char *) ap_get_remote_logname(request_rec *r)
- {
- core_dir_config *dir_conf;
-
- if (r->connection->remote_logname != NULL) {
- return r->connection->remote_logname;
- }
-
- /* If we haven't checked the identity, and we want to */
- dir_conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
-
- if (dir_conf->do_rfc1413 & 1) {
- return ap_rfc1413(r->connection, r->server);
- }
- else {
- return NULL;
- }
- }
-
- /* There are two options regarding what the "name" of a server is. The
- * "canonical" name as defined by ServerName and Port, or the "client's
- * name" as supplied by a possible Host: header or full URI. We never
- * trust the port passed in the client's headers, we always use the
- * port of the actual socket.
- */
- API_EXPORT(const char *) ap_get_server_name(const request_rec *r)
- {
- core_dir_config *d;
-
- d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- if (d->use_canonical_name & 1) {
- return r->server->server_hostname;
- }
- return r->hostname ? r->hostname : r->server->server_hostname;
- }
-
- API_EXPORT(unsigned) ap_get_server_port(const request_rec *r)
- {
- unsigned port;
- core_dir_config *d =
- (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
-
- port = r->server->port ? r->server->port : ap_default_port(r);
-
- if (d->use_canonical_name & 1) {
- return port;
- }
- return r->hostname ? ntohs(r->connection->local_addr.sin_port)
- : port;
- }
-
- API_EXPORT(char *) ap_construct_url(pool *p, const char *uri,
- const request_rec *r)
- {
- unsigned port;
- const char *host;
- core_dir_config *d =
- (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
-
- if (d->use_canonical_name & 1) {
- port = r->server->port ? r->server->port : ap_default_port(r);
- host = r->server->server_hostname;
- }
- else {
- if (r->hostname) {
- port = ntohs(r->connection->local_addr.sin_port);
- }
- else if (r->server->port) {
- port = r->server->port;
- }
- else {
- port = ap_default_port(r);
- }
-
- host = r->hostname ? r->hostname : r->server->server_hostname;
- }
- if (ap_is_default_port(port, r)) {
- return ap_pstrcat(p, ap_http_method(r), "://", host, uri, NULL);
- }
- return ap_psprintf(p, "%s://%s:%u%s", ap_http_method(r), host, port, uri);
- }
-
- API_EXPORT(unsigned long) ap_get_limit_req_body(const request_rec *r)
- {
- core_dir_config *d =
- (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
-
- return d->limit_req_body;
- }
-
- /*****************************************************************
- *
- * Commands... this module handles almost all of the NCSA httpd.conf
- * commands, but most of the old srm.conf is in the the modules.
- */
-
- static const char end_directory_section[] = "</Directory>";
- static const char end_directorymatch_section[] = "</DirectoryMatch>";
- static const char end_location_section[] = "</Location>";
- static const char end_locationmatch_section[] = "</LocationMatch>";
- static const char end_files_section[] = "</Files>";
- static const char end_filesmatch_section[] = "</FilesMatch>";
- static const char end_virtualhost_section[] = "</VirtualHost>";
- static const char end_ifmodule_section[] = "</IfModule>";
- static const char end_ifdefine_section[] = "</IfDefine>";
-
-
- API_EXPORT(const char *) ap_check_cmd_context(cmd_parms *cmd,
- unsigned forbidden)
- {
- const char *gt = (cmd->cmd->name[0] == '<'
- && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
- ? ">" : "";
-
- if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
- return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
- " cannot occur within <VirtualHost> section", NULL);
- }
-
- if ((forbidden & NOT_IN_LIMIT) && cmd->limited != -1) {
- return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
- " cannot occur within <Limit> section", NULL);
- }
-
- if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE
- && cmd->path != NULL) {
- return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
- " cannot occur within <Directory/Location/Files> "
- "section", NULL);
- }
-
- if (((forbidden & NOT_IN_DIRECTORY)
- && (cmd->end_token == end_directory_section
- || cmd->end_token == end_directorymatch_section))
- || ((forbidden & NOT_IN_LOCATION)
- && (cmd->end_token == end_location_section
- || cmd->end_token == end_locationmatch_section))
- || ((forbidden & NOT_IN_FILES)
- && (cmd->end_token == end_files_section
- || cmd->end_token == end_filesmatch_section))) {
- return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
- " cannot occur within <", cmd->end_token+2,
- " section", NULL);
- }
-
- return NULL;
- }
-
- static const char *set_access_name(cmd_parms *cmd, void *dummy, char *arg)
- {
- void *sconf = cmd->server->module_config;
- core_server_config *conf = ap_get_module_config(sconf, &core_module);
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- conf->access_name = ap_pstrdup(cmd->pool, arg);
- return NULL;
- }
-
- #ifdef GPROF
- static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, char *arg)
- {
- void *sconf = cmd->server->module_config;
- core_server_config *conf = ap_get_module_config(sconf, &core_module);
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- conf->gprof_dir = ap_pstrdup(cmd->pool, arg);
- return NULL;
- }
- #endif /*GPROF*/
-
- static const char *set_document_root(cmd_parms *cmd, void *dummy, char *arg)
- {
- void *sconf = cmd->server->module_config;
- core_server_config *conf = ap_get_module_config(sconf, &core_module);
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- arg = ap_os_canonical_filename(cmd->pool, arg);
- if (!ap_is_directory(arg)) {
- if (cmd->server->is_virtual) {
- fprintf(stderr, "Warning: DocumentRoot [%s] does not exist\n",
- arg);
- }
- else {
- return "DocumentRoot must be a directory";
- }
- }
-
- conf->ap_document_root = arg;
- return NULL;
- }
-
- API_EXPORT(void) ap_custom_response(request_rec *r, int status, char *string)
- {
- core_dir_config *conf =
- ap_get_module_config(r->per_dir_config, &core_module);
- int idx;
-
- if(conf->response_code_strings == NULL) {
- conf->response_code_strings =
- ap_pcalloc(r->pool,
- sizeof(*conf->response_code_strings) *
- RESPONSE_CODES);
- }
-
- idx = ap_index_of_response(status);
-
- conf->response_code_strings[idx] =
- ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
- ap_pstrdup(r->pool, string) : ap_pstrcat(r->pool, "\"", string, NULL);
- }
-
- static const char *set_error_document(cmd_parms *cmd, core_dir_config *conf,
- char *line)
- {
- int error_number, index_number, idx500;
- char *w;
-
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- /* 1st parameter should be a 3 digit number, which we recognize;
- * convert it into an array index
- */
-
- w = ap_getword_conf_nc(cmd->pool, &line);
- error_number = atoi(w);
-
- idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
-
- if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
- index_number = idx500;
- }
- else if ((index_number = ap_index_of_response(error_number)) == idx500) {
- return ap_pstrcat(cmd->pool, "Unsupported HTTP response code ",
- w, NULL);
- }
-
- /* The entry should be ignored if it is a full URL for a 401 error */
-
- if (error_number == 401 &&
- line[0] != '/' && line[0] != '"') { /* Ignore it... */
- ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_NOTICE, NULL,
- "cannot use a full URL in a 401 ErrorDocument "
- "directive --- ignoring!");
- }
- else { /* Store it... */
- if (conf->response_code_strings == NULL) {
- conf->response_code_strings =
- ap_pcalloc(cmd->pool,
- sizeof(*conf->response_code_strings) * RESPONSE_CODES);
- }
- conf->response_code_strings[index_number] = ap_pstrdup(cmd->pool, line);
- }
-
- return NULL;
- }
-
- /* access.conf commands...
- *
- * The *only* thing that can appear in access.conf at top level is a
- * <Directory> section. NB we need to have a way to cut the srm_command_loop
- * invoked by dirsection (i.e., <Directory>) short when </Directory> is seen.
- * We do that by returning an error, which dirsection itself recognizes and
- * discards as harmless. Cheesy, but it works.
- */
-
- static const char *set_override(cmd_parms *cmd, core_dir_config *d,
- const char *l)
- {
- char *w;
-
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- d->override = OR_NONE;
- while (l[0]) {
- w = ap_getword_conf(cmd->pool, &l);
- if (!strcasecmp(w, "Limit")) {
- d->override |= OR_LIMIT;
- }
- else if (!strcasecmp(w, "Options")) {
- d->override |= OR_OPTIONS;
- }
- else if (!strcasecmp(w, "FileInfo")) {
- d->override |= OR_FILEINFO;
- }
- else if (!strcasecmp(w, "AuthConfig")) {
- d->override |= OR_AUTHCFG;
- }
- else if (!strcasecmp(w, "Indexes")) {
- d->override |= OR_INDEXES;
- }
- else if (!strcasecmp(w, "None")) {
- d->override = OR_NONE;
- }
- else if (!strcasecmp(w, "All")) {
- d->override = OR_ALL;
- }
- else {
- return ap_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
- }
- d->override &= ~OR_UNSET;
- }
-
- return NULL;
- }
-
- static const char *set_options(cmd_parms *cmd, core_dir_config *d,
- const char *l)
- {
- allow_options_t opt;
- int first = 1;
- char action;
-
- while (l[0]) {
- char *w = ap_getword_conf(cmd->pool, &l);
- action = '\0';
-
- if (*w == '+' || *w == '-') {
- action = *(w++);
- }
- else if (first) {
- d->opts = OPT_NONE;
- first = 0;
- }
-
- if (!strcasecmp(w, "Indexes")) {
- opt = OPT_INDEXES;
- }
- else if (!strcasecmp(w, "Includes")) {
- opt = OPT_INCLUDES;
- }
- else if (!strcasecmp(w, "IncludesNOEXEC")) {
- opt = (OPT_INCLUDES | OPT_INCNOEXEC);
- }
- else if (!strcasecmp(w, "FollowSymLinks")) {
- opt = OPT_SYM_LINKS;
- }
- else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
- opt = OPT_SYM_OWNER;
- }
- else if (!strcasecmp(w, "execCGI")) {
- opt = OPT_EXECCGI;
- }
- else if (!strcasecmp(w, "MultiViews")) {
- opt = OPT_MULTI;
- }
- else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
- opt = OPT_MULTI|OPT_EXECCGI;
- }
- else if (!strcasecmp(w, "None")) {
- opt = OPT_NONE;
- }
- else if (!strcasecmp(w, "All")) {
- opt = OPT_ALL;
- }
- else {
- return ap_pstrcat(cmd->pool, "Illegal option ", w, NULL);
- }
-
- /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
- if (action == '-') {
- d->opts_remove |= opt;
- d->opts_add &= ~opt;
- d->opts &= ~opt;
- }
- else if (action == '+') {
- d->opts_add |= opt;
- d->opts_remove &= ~opt;
- d->opts |= opt;
- }
- else {
- d->opts |= opt;
- }
- }
-
- return NULL;
- }
-
- static const char *satisfy(cmd_parms *cmd, core_dir_config *c, char *arg)
- {
- if (!strcasecmp(arg, "all")) {
- c->satisfy = SATISFY_ALL;
- }
- else if (!strcasecmp(arg, "any")) {
- c->satisfy = SATISFY_ANY;
- }
- else {
- return "Satisfy either 'any' or 'all'.";
- }
- return NULL;
- }
-
- static const char *require(cmd_parms *cmd, core_dir_config *c, char *arg)
- {
- require_line *r;
-
- if (!c->ap_requires) {
- c->ap_requires = ap_make_array(cmd->pool, 2, sizeof(require_line));
- }
- r = (require_line *)ap_push_array(c->ap_requires);
- r->requirement = ap_pstrdup(cmd->pool, arg);
- r->method_mask = cmd->limited;
- return NULL;
- }
-
- CORE_EXPORT_NONSTD(const char *) ap_limit_section(cmd_parms *cmd, void *dummy,
- const char *arg)
- {
- const char *limited_methods = ap_getword(cmd->pool, &arg, '>');
- int limited = 0;
-
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- /* XXX: NB: Currently, we have no way of checking
- * whether <Limit> sections are closed properly.
- * (If we would add a srm_command_loop() here we might...)
- */
-
- while (limited_methods[0]) {
- char *method = ap_getword_conf(cmd->pool, &limited_methods);
- int methnum = ap_method_number_of(method);
-
- if (methnum == M_TRACE) {
- return "TRACE cannot be controlled by <Limit>";
- }
- else if (methnum == M_INVALID) {
- return ap_pstrcat(cmd->pool, "unknown method \"",
- method, "\" in <Limit>", NULL);
- }
- else {
- limited |= (1 << methnum);
- }
- }
-
- cmd->limited = limited;
- return NULL;
- }
-
- static const char *endlimit_section(cmd_parms *cmd, void *dummy, void *dummy2)
- {
- if (cmd->limited == -1) {
- return "</Limit> unexpected";
- }
-
- cmd->limited = -1;
- return NULL;
- }
-
- /*
- * When a section is not closed properly when end-of-file is reached,
- * then an error message should be printed:
- */
- static const char *missing_endsection(cmd_parms *cmd, int nest)
- {
- if (nest < 2) {
- return ap_psprintf(cmd->pool, "Missing %s directive at end-of-file",
- cmd->end_token);
- }
- return ap_psprintf(cmd->pool, "%d missing %s directives at end-of-file",
- nest, cmd->end_token);
- }
-
- /* We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
- * people don't get bitten by wrong-cased regex matches
- */
-
- #ifdef WIN32
- #define USE_ICASE REG_ICASE
- #else
- #define USE_ICASE 0
- #endif
-
- static const char *end_nested_section(cmd_parms *cmd, void *dummy)
- {
- if (cmd->end_token == NULL) {
- return ap_pstrcat(cmd->pool, cmd->cmd->name,
- " without matching <", cmd->cmd->name + 2,
- " section", NULL);
- }
- /*
- * This '!=' may look weird on a string comparison, but it's correct --
- * it's been set up so that checking for two pointers to the same datum
- * is valid here. And faster.
- */
- if (cmd->cmd->name != cmd->end_token) {
- return ap_pstrcat(cmd->pool, "Expected ", cmd->end_token, " but saw ",
- cmd->cmd->name, NULL);
- }
- return cmd->end_token;
- }
-
- /*
- * Report a missing-'>' syntax error.
- */
- static char *unclosed_directive(cmd_parms *cmd)
- {
- return ap_pstrcat(cmd->pool, cmd->cmd->name,
- "> directive missing closing '>'", NULL);
- }
-
- static const char *dirsection(cmd_parms *cmd, void *dummy, const char *arg)
- {
- const char *errmsg;
- char *endp = strrchr(arg, '>');
- int old_overrides = cmd->override;
- char *old_path = cmd->path;
- core_dir_config *conf;
- void *new_dir_conf = ap_create_per_dir_config(cmd->pool);
- regex_t *r = NULL;
- const char *old_end_token;
- const command_rec *thiscmd = cmd->cmd;
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- #ifdef OS2
- /* Fix OS/2 HPFS filename case problem. */
- cmd->path = strlwr(cmd->path);
- #endif
- cmd->override = OR_ALL|ACCESS_CONF;
-
- if (thiscmd->cmd_data) { /* <DirectoryMatch> */
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
- }
- else if (!strcmp(cmd->path, "~")) {
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
- }
- else {
- /* Ensure that the pathname is canonical */
- cmd->path = ap_os_canonical_filename(cmd->pool, cmd->path);
- }
-
- old_end_token = cmd->end_token;
- cmd->end_token = thiscmd->cmd_data ? end_directorymatch_section : end_directory_section;
- errmsg = ap_srm_command_loop(cmd, new_dir_conf);
- if (errmsg == NULL) {
- errmsg = missing_endsection(cmd, 1);
- }
- cmd->end_token = old_end_token;
- if (errmsg != (thiscmd->cmd_data
- ? end_directorymatch_section
- : end_directory_section)) {
- return errmsg;
- }
-
- conf = (core_dir_config *)ap_get_module_config(new_dir_conf, &core_module);
- conf->r = r;
-
- ap_add_per_dir_conf(cmd->server, new_dir_conf);
-
- if (*arg != '\0') {
- return ap_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
- "> arguments not (yet) supported.", NULL);
- }
-
- cmd->path = old_path;
- cmd->override = old_overrides;
-
- return NULL;
- }
-
- static const char *urlsection(cmd_parms *cmd, void *dummy, const char *arg)
- {
- const char *errmsg;
- char *endp = strrchr(arg, '>');
- int old_overrides = cmd->override;
- char *old_path = cmd->path;
- core_dir_config *conf;
- regex_t *r = NULL;
- const char *old_end_token;
- const command_rec *thiscmd = cmd->cmd;
-
- void *new_url_conf = ap_create_per_dir_config(cmd->pool);
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- cmd->override = OR_ALL|ACCESS_CONF;
-
- if (thiscmd->cmd_data) { /* <LocationMatch> */
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
- }
- else if (!strcmp(cmd->path, "~")) {
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
- }
-
- old_end_token = cmd->end_token;
- cmd->end_token = thiscmd->cmd_data ? end_locationmatch_section
- : end_location_section;
- errmsg = ap_srm_command_loop(cmd, new_url_conf);
- if (errmsg == NULL) {
- errmsg = missing_endsection(cmd, 1);
- }
- cmd->end_token = old_end_token;
- if (errmsg != (thiscmd->cmd_data
- ? end_locationmatch_section
- : end_location_section)) {
- return errmsg;
- }
-
- conf = (core_dir_config *)ap_get_module_config(new_url_conf, &core_module);
- conf->d = ap_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
- conf->d_is_fnmatch = ap_is_fnmatch(conf->d) != 0;
- conf->r = r;
-
- ap_add_per_url_conf(cmd->server, new_url_conf);
-
- if (*arg != '\0') {
- return ap_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
- "> arguments not (yet) supported.", NULL);
- }
-
- cmd->path = old_path;
- cmd->override = old_overrides;
-
- return NULL;
- }
-
- static const char *filesection(cmd_parms *cmd, core_dir_config *c,
- const char *arg)
- {
- const char *errmsg;
- char *endp = strrchr(arg, '>');
- int old_overrides = cmd->override;
- char *old_path = cmd->path;
- core_dir_config *conf;
- regex_t *r = NULL;
- const char *old_end_token;
- const command_rec *thiscmd = cmd->cmd;
-
- void *new_file_conf = ap_create_per_dir_config(cmd->pool);
-
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_LOCATION);
- if (err != NULL) {
- return err;
- }
-
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- /* Only if not an .htaccess file */
- if (!old_path) {
- cmd->override = OR_ALL|ACCESS_CONF;
- }
-
- if (thiscmd->cmd_data) { /* <FilesMatch> */
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
- }
- else if (!strcmp(cmd->path, "~")) {
- cmd->path = ap_getword_conf(cmd->pool, &arg);
- r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
- }
- else {
- /* Ensure that the pathname is canonical */
- cmd->path = ap_os_canonical_filename(cmd->pool, cmd->path);
- }
-
- old_end_token = cmd->end_token;
- cmd->end_token = thiscmd->cmd_data ? end_filesmatch_section : end_files_section;
- errmsg = ap_srm_command_loop(cmd, new_file_conf);
- if (errmsg == NULL) {
- errmsg = missing_endsection(cmd, 1);
- }
- cmd->end_token = old_end_token;
- if (errmsg != (thiscmd->cmd_data
- ? end_filesmatch_section
- : end_files_section)) {
- return errmsg;
- }
-
- conf = (core_dir_config *)ap_get_module_config(new_file_conf,
- &core_module);
- conf->d = cmd->path;
- conf->d_is_fnmatch = ap_is_fnmatch(conf->d) != 0;
- conf->r = r;
-
- add_file_conf(c, new_file_conf);
-
- if (*arg != '\0') {
- return ap_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
- "> arguments not (yet) supported.", NULL);
- }
-
- cmd->path = old_path;
- cmd->override = old_overrides;
-
- return NULL;
- }
-
- /* XXX: NB: Currently, we have no way of checking
- * whether <IfModule> sections are closed properly.
- * Extra (redundant, unpaired) </IfModule> directives are
- * simply silently ignored.
- */
- static const char *end_ifmod(cmd_parms *cmd, void *dummy)
- {
- return NULL;
- }
-
- static const char *start_ifmod(cmd_parms *cmd, void *dummy, char *arg)
- {
- char *endp = strrchr(arg, '>');
- char l[MAX_STRING_LEN];
- int not = (arg[0] == '!');
- module *found;
- int nest = 1;
-
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- if (not) {
- arg++;
- }
-
- found = ap_find_linked_module(arg);
-
- if ((!not && found) || (not && !found)) {
- return NULL;
- }
-
- while (nest && !(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
- if (!strncasecmp(l, "<IfModule", 9)) {
- nest++;
- }
- if (!strcasecmp(l, "</IfModule>")) {
- nest--;
- }
- }
-
- if (nest) {
- cmd->end_token = end_ifmodule_section;
- return missing_endsection(cmd, nest);
- }
- return NULL;
- }
-
- API_EXPORT(int) ap_exists_config_define(char *name)
- {
- char **defines;
- int i;
-
- defines = (char **)ap_server_config_defines->elts;
- for (i = 0; i < ap_server_config_defines->nelts; i++) {
- if (strcmp(defines[i], name) == 0) {
- return 1;
- }
- }
- return 0;
- }
-
- static const char *end_ifdefine(cmd_parms *cmd, void *dummy)
- {
- return NULL;
- }
-
- static const char *start_ifdefine(cmd_parms *cmd, void *dummy, char *arg)
- {
- char *endp;
- char l[MAX_STRING_LEN];
- int defined;
- int not = 0;
- int nest = 1;
-
- endp = strrchr(arg, '>');
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- if (arg[0] == '!') {
- not = 1;
- arg++;
- }
-
- defined = ap_exists_config_define(arg);
-
- if ((!not && defined) || (not && !defined)) {
- return NULL;
- }
-
- while (nest && !(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
- if (!strncasecmp(l, "<IfDefine", 9)) {
- nest++;
- }
- if (!strcasecmp(l, "</IfDefine>")) {
- nest--;
- }
- }
- if (nest) {
- cmd->end_token = end_ifdefine_section;
- return missing_endsection(cmd, nest);
- }
- return NULL;
- }
-
- /* httpd.conf commands... beginning with the <VirtualHost> business */
-
- static const char *virtualhost_section(cmd_parms *cmd, void *dummy, char *arg)
- {
- server_rec *main_server = cmd->server, *s;
- const char *errmsg;
- char *endp = strrchr(arg, '>');
- pool *p = cmd->pool, *ptemp = cmd->temp_pool;
- const char *old_end_token;
-
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (endp == NULL) {
- return unclosed_directive(cmd);
- }
-
- *endp = '\0';
-
- /* FIXME: There's another feature waiting to happen here -- since you
- can now put multiple addresses/names on a single <VirtualHost>
- you might want to use it to group common definitions and then
- define other "subhosts" with their individual differences. But
- personally I'd rather just do it with a macro preprocessor. -djg */
- if (main_server->is_virtual) {
- return "<VirtualHost> doesn't nest!";
- }
-
- errmsg = ap_init_virtual_host(p, arg, main_server, &s);
- if (errmsg) {
- return errmsg;
- }
-
- s->next = main_server->next;
- main_server->next = s;
-
- s->defn_name = cmd->config_file->name;
- s->defn_line_number = cmd->config_file->line_number;
-
- old_end_token = cmd->end_token;
- cmd->end_token = end_virtualhost_section;
- cmd->server = s;
- errmsg = ap_srm_command_loop(cmd, s->lookup_defaults);
- cmd->server = main_server;
- if (errmsg == NULL) {
- errmsg = missing_endsection(cmd, 1);
- }
- cmd->end_token = old_end_token;
-
- if (s->srm_confname) {
- ap_process_resource_config(s, s->srm_confname, p, ptemp);
- }
-
- if (s->access_confname) {
- ap_process_resource_config(s, s->access_confname, p, ptemp);
- }
-
- if (errmsg == end_virtualhost_section) {
- return NULL;
- }
- return errmsg;
- }
-
- static const char *set_server_alias(cmd_parms *cmd, void *dummy,
- const char *arg)
- {
- if (!cmd->server->names) {
- return "ServerAlias only used in <VirtualHost>";
- }
- while (*arg) {
- char **item, *name = ap_getword_conf(cmd->pool, &arg);
- if (ap_is_matchexp(name)) {
- item = (char **)ap_push_array(cmd->server->wild_names);
- }
- else {
- item = (char **)ap_push_array(cmd->server->names);
- }
- *item = name;
- }
- return NULL;
- }
-
- static const char *add_module_command(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (!ap_add_named_module(arg)) {
- return ap_pstrcat(cmd->pool, "Cannot add module via name '", arg,
- "': not in list of loaded modules", NULL);
- }
- return NULL;
- }
-
- static const char *clear_module_list_command(cmd_parms *cmd, void *dummy)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_clear_module_list();
- return NULL;
- }
-
- static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
- char *arg)
- {
- /* This one's pretty generic... */
-
- int offset = (int)(long)cmd->info;
- char *struct_ptr = (char *)cmd->server;
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- *(char **)(struct_ptr + offset) = arg;
- return NULL;
- }
-
- static const char *server_type(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (!strcasecmp(arg, "inetd")) {
- ap_standalone = 0;
- }
- else if (!strcasecmp(arg, "standalone")) {
- ap_standalone = 1;
- }
- else {
- return "ServerType must be either 'inetd' or 'standalone'";
- }
-
- return NULL;
- }
-
- static const char *server_port(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- int port;
-
- if (err != NULL) {
- return err;
- }
- port = atoi(arg);
- if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
- return ap_pstrcat(cmd->temp_pool, "The port number \"", arg,
- "\" is outside the appropriate range "
- "(i.e., 1..65535).", NULL);
- }
- cmd->server->port = port;
- return NULL;
- }
-
- static const char *set_signature_flag(cmd_parms *cmd, core_dir_config *d,
- char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (strcasecmp(arg, "On") == 0) {
- d->server_signature = srv_sig_on;
- }
- else if (strcasecmp(arg, "Off") == 0) {
- d->server_signature = srv_sig_off;
- }
- else if (strcasecmp(arg, "EMail") == 0) {
- d->server_signature = srv_sig_withmail;
- }
- else {
- return "ServerSignature: use one of: off | on | email";
- }
- return NULL;
- }
-
- static const char *set_send_buffer_size(cmd_parms *cmd, void *dummy, char *arg)
- {
- int s = atoi(arg);
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (s < 512 && s != 0) {
- return "SendBufferSize must be >= 512 bytes, or 0 for system default.";
- }
- cmd->server->send_buffer_size = s;
- return NULL;
- }
-
- static const char *set_user(cmd_parms *cmd, void *dummy, char *arg)
- {
- #ifdef WIN32
- ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_NOTICE, cmd->server,
- "User directive has no affect on Win32");
- cmd->server->server_uid = ap_user_id = 1;
- #else
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (!cmd->server->is_virtual) {
- ap_user_name = arg;
- cmd->server->server_uid = ap_user_id = ap_uname2id(arg);
- }
- else {
- if (ap_suexec_enabled) {
- cmd->server->server_uid = ap_uname2id(arg);
- }
- else {
- cmd->server->server_uid = ap_user_id;
- fprintf(stderr,
- "Warning: User directive in <VirtualHost> "
- "requires SUEXEC wrapper.\n");
- }
- }
- #if !defined (BIG_SECURITY_HOLE) && !defined (OS2)
- if (cmd->server->server_uid == 0) {
- fprintf(stderr,
- "Error:\tApache has not been designed to serve pages while\n"
- "\trunning as root. There are known race conditions that\n"
- "\twill allow any local user to read any file on the system.\n"
- "\tShould you still desire to serve pages as root then\n"
- "\tadd -DBIG_SECURITY_HOLE to the EXTRA_CFLAGS line in your\n"
- "\tsrc/Configuration file and rebuild the server. It is\n"
- "\tstrongly suggested that you instead modify the User\n"
- "\tdirective in your httpd.conf file to list a non-root\n"
- "\tuser.\n");
- exit (1);
- }
- #endif
- #endif /* WIN32 */
-
- return NULL;
- }
-
- static const char *set_group(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (!cmd->server->is_virtual) {
- cmd->server->server_gid = ap_group_id = ap_gname2id(arg);
- }
- else {
- if (ap_suexec_enabled) {
- cmd->server->server_gid = ap_gname2id(arg);
- }
- else {
- cmd->server->server_gid = ap_group_id;
- fprintf(stderr,
- "Warning: Group directive in <VirtualHost> requires "
- "SUEXEC wrapper.\n");
- }
- }
-
- return NULL;
- }
-
- static const char *set_server_root(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-
- if (err != NULL) {
- return err;
- }
-
- arg = ap_os_canonical_filename(cmd->pool, arg);
-
- if (!ap_is_directory(arg)) {
- return "ServerRoot must be a valid directory";
- }
- ap_cpystrn(ap_server_root, arg,
- sizeof(ap_server_root));
- return NULL;
- }
-
- static const char *set_timeout(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- cmd->server->timeout = atoi(arg);
- return NULL;
- }
-
- static const char *set_keep_alive_timeout(cmd_parms *cmd, void *dummy,
- char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- cmd->server->keep_alive_timeout = atoi(arg);
- return NULL;
- }
-
- static const char *set_keep_alive(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- /* We've changed it to On/Off, but used to use numbers
- * so we accept anything but "Off" or "0" as "On"
- */
- if (!strcasecmp(arg, "off") || !strcmp(arg, "0")) {
- cmd->server->keep_alive = 0;
- }
- else {
- cmd->server->keep_alive = 1;
- }
- return NULL;
- }
-
- static const char *set_keep_alive_max(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- cmd->server->keep_alive_max = atoi(arg);
- return NULL;
- }
-
- static const char *set_pidfile(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (cmd->server->is_virtual) {
- return "PidFile directive not allowed in <VirtualHost>";
- }
- ap_pid_fname = arg;
- return NULL;
- }
-
- static const char *set_scoreboard(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_scoreboard_fname = arg;
- return NULL;
- }
-
- static const char *set_lockfile(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_lock_fname = arg;
- return NULL;
- }
-
- static const char *set_idcheck(cmd_parms *cmd, core_dir_config *d, int arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- d->do_rfc1413 = arg != 0;
- return NULL;
- }
-
- static const char *set_hostname_lookups(cmd_parms *cmd, core_dir_config *d,
- char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if (!strcasecmp(arg, "on")) {
- d->hostname_lookups = HOSTNAME_LOOKUP_ON;
- }
- else if (!strcasecmp(arg, "off")) {
- d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
- }
- else if (!strcasecmp(arg, "double")) {
- d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
- }
- else {
- return "parameter must be 'on', 'off', or 'double'";
- }
- return NULL;
- }
-
- static const char *set_serverpath(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- cmd->server->path = arg;
- cmd->server->pathlen = strlen(arg);
- return NULL;
- }
-
- static const char *set_content_md5(cmd_parms *cmd, core_dir_config *d, int arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- d->content_md5 = arg != 0;
- return NULL;
- }
-
- static const char *set_use_canonical_name(cmd_parms *cmd, core_dir_config *d,
- int arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
-
- if (err != NULL) {
- return err;
- }
-
- d->use_canonical_name = arg != 0;
- return NULL;
- }
-
- static const char *set_daemons_to_start(cmd_parms *cmd, void *dummy, char *arg)
- {
- #ifdef WIN32
- fprintf(stderr, "WARNING: StartServers has no effect on Win32\n");
- #else
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_daemons_to_start = atoi(arg);
- #endif
- return NULL;
- }
-
- static const char *set_min_free_servers(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_daemons_min_free = atoi(arg);
- if (ap_daemons_min_free <= 0) {
- fprintf(stderr, "WARNING: detected MinSpareServers set to non-positive.\n");
- fprintf(stderr, "Resetting to 1 to avoid almost certain Apache failure.\n");
- fprintf(stderr, "Please read the documentation.\n");
- ap_daemons_min_free = 1;
- }
-
- return NULL;
- }
-
- static const char *set_max_free_servers(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_daemons_max_free = atoi(arg);
- return NULL;
- }
-
- static const char *set_server_limit (cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_daemons_limit = atoi(arg);
- if (ap_daemons_limit > HARD_SERVER_LIMIT) {
- fprintf(stderr, "WARNING: MaxClients of %d exceeds compile time limit "
- "of %d servers,\n", ap_daemons_limit, HARD_SERVER_LIMIT);
- fprintf(stderr, " lowering MaxClients to %d. To increase, please "
- "see the\n", HARD_SERVER_LIMIT);
- fprintf(stderr, " HARD_SERVER_LIMIT define in src/include/httpd.h.\n");
- ap_daemons_limit = HARD_SERVER_LIMIT;
- }
- else if (ap_daemons_limit < 1) {
- fprintf(stderr, "WARNING: Require MaxClients > 0, setting to 1\n");
- ap_daemons_limit = 1;
- }
- return NULL;
- }
-
- static const char *set_max_requests(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_max_requests_per_child = atoi(arg);
- return NULL;
- }
-
- static const char *set_threads(cmd_parms *cmd, void *dummy, char *arg) {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_threads_per_child = atoi(arg);
- if (ap_threads_per_child > HARD_SERVER_LIMIT) {
- fprintf(stderr, "WARNING: ThreadsPerChild of %d exceeds compile time limit "
- "of %d threads,\n", ap_threads_per_child, HARD_SERVER_LIMIT);
- fprintf(stderr, " lowering ThreadsPerChild to %d. To increase, please "
- "see the\n", HARD_SERVER_LIMIT);
- fprintf(stderr, " HARD_SERVER_LIMIT define in src/include/httpd.h.\n");
- ap_threads_per_child = HARD_SERVER_LIMIT;
- }
- else if (ap_threads_per_child < 1) {
- fprintf(stderr, "WARNING: Require ThreadsPerChild > 0, setting to 1\n");
- ap_threads_per_child = 1;
- }
-
- return NULL;
- }
-
- static const char *set_excess_requests(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_excess_requests_per_child = atoi(arg);
- return NULL;
- }
-
-
- #if defined(RLIMIT_CPU) || defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_NPROC) || defined(RLIMIT_AS)
- static void set_rlimit(cmd_parms *cmd, struct rlimit **plimit, const char *arg,
- const char * arg2, int type)
- {
- char *str;
- struct rlimit *limit;
- /* If your platform doesn't define rlim_t then typedef it in ap_config.h */
- rlim_t cur = 0;
- rlim_t max = 0;
-
- *plimit = (struct rlimit *)ap_pcalloc(cmd->pool, sizeof(**plimit));
- limit = *plimit;
- if ((getrlimit(type, limit)) != 0) {
- *plimit = NULL;
- ap_log_error(APLOG_MARK, APLOG_ERR, cmd->server,
- "%s: getrlimit failed", cmd->cmd->name);
- return;
- }
-
- if ((str = ap_getword_conf(cmd->pool, &arg))) {
- if (!strcasecmp(str, "max")) {
- cur = limit->rlim_max;
- }
- else {
- cur = atol(str);
- }
- }
- else {
- ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, cmd->server,
- "Invalid parameters for %s", cmd->cmd->name);
- return;
- }
-
- if (arg2 && (str = ap_getword_conf(cmd->pool, &arg2))) {
- max = atol(str);
- }
-
- /* if we aren't running as root, cannot increase max */
- if (geteuid()) {
- limit->rlim_cur = cur;
- if (max) {
- ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, cmd->server,
- "Must be uid 0 to raise maximum %s", cmd->cmd->name);
- }
- }
- else {
- if (cur) {
- limit->rlim_cur = cur;
- }
- if (max) {
- limit->rlim_max = max;
- }
- }
- }
- #endif
-
- #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
- static const char *no_set_limit(cmd_parms *cmd, core_dir_config *conf,
- char *arg, char *arg2)
- {
- ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, cmd->server,
- "%s not supported on this platform", cmd->cmd->name);
- return NULL;
- }
- #endif
-
- #ifdef RLIMIT_CPU
- static const char *set_limit_cpu(cmd_parms *cmd, core_dir_config *conf,
- char *arg, char *arg2)
- {
- set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
- return NULL;
- }
- #endif
-
- #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
- static const char *set_limit_mem(cmd_parms *cmd, core_dir_config *conf,
- char *arg, char * arg2)
- {
- #if defined(RLIMIT_AS)
- set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
- #elif defined(RLIMIT_DATA)
- set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
- #elif defined(RLIMIT_VMEM)
- set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
- #endif
- return NULL;
- }
- #endif
-
- #ifdef RLIMIT_NPROC
- static const char *set_limit_nproc(cmd_parms *cmd, core_dir_config *conf,
- char *arg, char * arg2)
- {
- set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
- return NULL;
- }
- #endif
-
- static const char *set_bind_address(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_bind_address.s_addr = ap_get_virthost_addr(arg, NULL);
- return NULL;
- }
-
- static const char *set_listener(cmd_parms *cmd, void *dummy, char *ips)
- {
- listen_rec *new;
- char *ports;
- unsigned short port;
-
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ports = strchr(ips, ':');
- if (ports != NULL) {
- if (ports == ips) {
- return "Missing IP address";
- }
- else if (ports[1] == '\0') {
- return "Address must end in :<port-number>";
- }
- *(ports++) = '\0';
- }
- else {
- ports = ips;
- }
-
- new=ap_pcalloc(cmd->pool, sizeof(listen_rec));
- new->local_addr.sin_family = AF_INET;
- if (ports == ips) { /* no address */
- new->local_addr.sin_addr.s_addr = htonl(INADDR_ANY);
- }
- else {
- new->local_addr.sin_addr.s_addr = ap_get_virthost_addr(ips, NULL);
- }
- port = atoi(ports);
- if (!port) {
- return "Port must be numeric";
- }
- new->local_addr.sin_port = htons(port);
- new->fd = -1;
- new->used = 0;
- new->next = ap_listeners;
- ap_listeners = new;
- return NULL;
- }
-
- static const char *set_listenbacklog(cmd_parms *cmd, void *dummy, char *arg)
- {
- int b;
-
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- b = atoi(arg);
- if (b < 1) {
- return "ListenBacklog must be > 0";
- }
- ap_listenbacklog = b;
- return NULL;
- }
-
- static const char *set_coredumpdir (cmd_parms *cmd, void *dummy, char *arg)
- {
- struct stat finfo;
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- arg = ap_server_root_relative(cmd->pool, arg);
- if ((stat(arg, &finfo) == -1) || !S_ISDIR(finfo.st_mode)) {
- return ap_pstrcat(cmd->pool, "CoreDumpDirectory ", arg,
- " does not exist or is not a directory", NULL);
- }
- ap_cpystrn(ap_coredump_dir, arg, sizeof(ap_coredump_dir));
- return NULL;
- }
-
- static const char *include_config (cmd_parms *cmd, void *dummy, char *name)
- {
- name = ap_server_root_relative(cmd->pool, name);
-
- ap_process_resource_config(cmd->server, name, cmd->pool, cmd->temp_pool);
-
- return NULL;
- }
-
- static const char *set_loglevel(cmd_parms *cmd, void *dummy, const char *arg)
- {
- char *str;
-
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- if ((str = ap_getword_conf(cmd->pool, &arg))) {
- if (!strcasecmp(str, "emerg")) {
- cmd->server->loglevel = APLOG_EMERG;
- }
- else if (!strcasecmp(str, "alert")) {
- cmd->server->loglevel = APLOG_ALERT;
- }
- else if (!strcasecmp(str, "crit")) {
- cmd->server->loglevel = APLOG_CRIT;
- }
- else if (!strcasecmp(str, "error")) {
- cmd->server->loglevel = APLOG_ERR;
- }
- else if (!strcasecmp(str, "warn")) {
- cmd->server->loglevel = APLOG_WARNING;
- }
- else if (!strcasecmp(str, "notice")) {
- cmd->server->loglevel = APLOG_NOTICE;
- }
- else if (!strcasecmp(str, "info")) {
- cmd->server->loglevel = APLOG_INFO;
- }
- else if (!strcasecmp(str, "debug")) {
- cmd->server->loglevel = APLOG_DEBUG;
- }
- else {
- return "LogLevel requires level keyword: one of "
- "emerg/alert/crit/error/warn/notice/info/debug";
- }
- }
- else {
- return "LogLevel requires level keyword";
- }
-
- return NULL;
- }
-
- API_EXPORT(const char *) ap_psignature(const char *prefix, request_rec *r)
- {
- char sport[20];
- core_dir_config *conf;
-
- conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- if (conf->server_signature == srv_sig_off) {
- return "";
- }
-
- ap_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
-
- if (conf->server_signature == srv_sig_withmail) {
- return ap_pstrcat(r->pool, prefix, "<ADDRESS>" SERVER_BASEVERSION
- " Server at <A HREF=\"mailto:",
- r->server->server_admin, "\">",
- ap_get_server_name(r), "</A> Port ", sport,
- "</ADDRESS>\n", NULL);
- }
- return ap_pstrcat(r->pool, prefix, "<ADDRESS>" SERVER_BASEVERSION
- " Server at ", ap_get_server_name(r), " Port ", sport,
- "</ADDRESS>\n", NULL);
- }
-
- /*
- * Load an authorisation realm into our location configuration, applying the
- * usual rules that apply to realms.
- */
- static const char *set_authname(cmd_parms *cmd, void *mconfig, char *word1)
- {
- core_dir_config *aconfig = (core_dir_config *)mconfig;
-
- aconfig->ap_auth_name = ap_escape_quotes(cmd->pool, word1);
- return NULL;
- }
-
- #ifdef _OSD_POSIX /* BS2000 Logon Passwd file */
- static const char *set_bs2000_account(cmd_parms *cmd, void *dummy, char *name)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- return os_set_account(cmd->pool, name);
- }
- #endif /*_OSD_POSIX*/
-
- /*
- * Handle a request to include the server's OS platform in the Server
- * response header field (the ServerTokens directive). Unfortunately
- * this requires a new global in order to communicate the setting back to
- * http_main so it can insert the information in the right place in the
- * string.
- */
-
- static const char *set_serv_tokens(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- if (!strcasecmp(arg, "OS")) {
- ap_server_tokens = SrvTk_OS;
- }
- else if (!strcasecmp(arg, "Min") || !strcasecmp(arg, "Minimal")) {
- ap_server_tokens = SrvTk_MIN;
- }
- else {
- ap_server_tokens = SrvTk_FULL;
- }
- return NULL;
- }
-
- static const char *set_limit_req_line(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- int lim;
-
- if (err != NULL) {
- return err;
- }
- lim = atoi(arg);
- if (lim < 0) {
- return ap_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
- "\" must be a non-negative integer", NULL);
- }
- if (lim > DEFAULT_LIMIT_REQUEST_LINE) {
- return ap_psprintf(cmd->temp_pool, "LimitRequestLine \"%s\" "
- "must not exceed the precompiled maximum of %d",
- arg, DEFAULT_LIMIT_REQUEST_LINE);
- }
- cmd->server->limit_req_line = lim;
- return NULL;
- }
-
- static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
- char *arg)
- {
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- int lim;
-
- if (err != NULL) {
- return err;
- }
- lim = atoi(arg);
- if (lim < 0) {
- return ap_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
- "\" must be a non-negative integer (0 = no limit)",
- NULL);
- }
- if (lim > DEFAULT_LIMIT_REQUEST_FIELDSIZE) {
- return ap_psprintf(cmd->temp_pool, "LimitRequestFieldsize \"%s\" "
- "must not exceed the precompiled maximum of %d",
- arg, DEFAULT_LIMIT_REQUEST_FIELDSIZE);
- }
- cmd->server->limit_req_fieldsize = lim;
- return NULL;
- }
-
- static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy, char *arg)
- {
- const char *err = ap_check_cmd_context(cmd,
- NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
- int lim;
-
- if (err != NULL) {
- return err;
- }
- lim = atoi(arg);
- if (lim < 0) {
- return ap_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
- "\" must be a non-negative integer (0 = no limit)",
- NULL);
- }
- cmd->server->limit_req_fields = lim;
- return NULL;
- }
-
- static const char *set_limit_req_body(cmd_parms *cmd, core_dir_config *conf,
- char *arg)
- {
- const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
- if (err != NULL) {
- return err;
- }
-
- /* WTF: If strtoul is not portable, then write a replacement.
- * Instead we have an idiotic define in httpd.h that prevents
- * it from being used even when it is available. Sheesh.
- */
- conf->limit_req_body = (unsigned long)strtol(arg, (char **)NULL, 10);
- return NULL;
- }
-
- /* Note --- ErrorDocument will now work from .htaccess files.
- * The AllowOverride of Fileinfo allows webmasters to turn it off
- */
-
- static const command_rec core_cmds[] = {
-
- /* Old access config file commands */
-
- { "<Directory", dirsection, NULL, RSRC_CONF, RAW_ARGS,
- "Container for directives affecting resources located in the specified "
- "directories" },
- { end_directory_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
- "Marks end of <Directory>" },
- { "<Location", urlsection, NULL, RSRC_CONF, RAW_ARGS,
- "Container for directives affecting resources accessed through the "
- "specified URL paths" },
- { end_location_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
- "Marks end of <Location>" },
- { "<VirtualHost", virtualhost_section, NULL, RSRC_CONF, RAW_ARGS,
- "Container to map directives to a particular virtual host, takes one or "
- "more host addresses" },
- { end_virtualhost_section, end_nested_section, NULL, RSRC_CONF, NO_ARGS,
- "Marks end of <VirtualHost>" },
- { "<Files", filesection, NULL, OR_ALL, RAW_ARGS, "Container for directives "
- "affecting files matching specified patterns" },
- { end_files_section, end_nested_section, NULL, OR_ALL, NO_ARGS,
- "Marks end of <Files>" },
- { "<Limit", ap_limit_section, NULL, OR_ALL, RAW_ARGS, "Container for "
- "authentication directives when accessed using specified HTTP methods" },
- { "</Limit>", endlimit_section, NULL, OR_ALL, NO_ARGS,
- "Marks end of <Limit>" },
- { "<IfModule", start_ifmod, NULL, OR_ALL, TAKE1,
- "Container for directives based on existance of specified modules" },
- { end_ifmodule_section, end_ifmod, NULL, OR_ALL, NO_ARGS,
- "Marks end of <IfModule>" },
- { "<IfDefine", start_ifdefine, NULL, OR_ALL, TAKE1,
- "Container for directives based on existance of command line defines" },
- { end_ifdefine_section, end_ifdefine, NULL, OR_ALL, NO_ARGS,
- "Marks end of <IfDefine>" },
- { "<DirectoryMatch", dirsection, (void*)1, RSRC_CONF, RAW_ARGS,
- "Container for directives affecting resources located in the "
- "specified directories" },
- { end_directorymatch_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
- "Marks end of <DirectoryMatch>" },
- { "<LocationMatch", urlsection, (void*)1, RSRC_CONF, RAW_ARGS,
- "Container for directives affecting resources accessed through the "
- "specified URL paths" },
- { end_locationmatch_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
- "Marks end of <LocationMatch>" },
- { "<FilesMatch", filesection, (void*)1, OR_ALL, RAW_ARGS,
- "Container for directives affecting files matching specified patterns" },
- { end_filesmatch_section, end_nested_section, NULL, OR_ALL, NO_ARGS,
- "Marks end of <FilesMatch>" },
- { "AuthType", ap_set_string_slot,
- (void*)XtOffsetOf(core_dir_config, ap_auth_type), OR_AUTHCFG, TAKE1,
- "An HTTP authorization type (e.g., \"Basic\")" },
- { "AuthName", set_authname, NULL, OR_AUTHCFG, TAKE1,
- "The authentication realm (e.g. \"Members Only\")" },
- { "Require", require, NULL, OR_AUTHCFG, RAW_ARGS,
- "Selects which authenticated users or groups may access a protected space" },
- { "Satisfy", satisfy, NULL, OR_AUTHCFG, TAKE1,
- "access policy if both allow and require used ('all' or 'any')" },
- #ifdef GPROF
- { "GprofDir", set_gprof_dir, NULL, RSRC_CONF, TAKE1,
- "Directory to plop gmon.out files" },
- #endif
-
- /* Old resource config file commands */
-
- { "AccessFileName", set_access_name, NULL, RSRC_CONF, RAW_ARGS,
- "Name(s) of per-directory config files (default: .htaccess)" },
- { "DocumentRoot", set_document_root, NULL, RSRC_CONF, TAKE1,
- "Root directory of the document tree" },
- { "ErrorDocument", set_error_document, NULL, OR_FILEINFO, RAW_ARGS,
- "Change responses for HTTP errors" },
- { "AllowOverride", set_override, NULL, ACCESS_CONF, RAW_ARGS,
- "Controls what groups of directives can be configured by per-directory "
- "config files" },
- { "Options", set_options, NULL, OR_OPTIONS, RAW_ARGS,
- "Set a number of attributes for a given directory" },
- { "DefaultType", ap_set_string_slot,
- (void*)XtOffsetOf (core_dir_config, ap_default_type),
- OR_FILEINFO, TAKE1, "the default MIME type for untypable files" },
-
- /* Old server config file commands */
-
- { "ServerType", server_type, NULL, RSRC_CONF, TAKE1,
- "'inetd' or 'standalone'"},
- { "Port", server_port, NULL, RSRC_CONF, TAKE1, "A TCP port number"},
- { "HostnameLookups", set_hostname_lookups, NULL, ACCESS_CONF|RSRC_CONF, TAKE1,
- "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
- "enable double-reverse DNS lookups" },
- { "User", set_user, NULL, RSRC_CONF, TAKE1,
- "Effective user id for this server"},
- { "Group", set_group, NULL, RSRC_CONF, TAKE1,
- "Effective group id for this server"},
- { "ServerAdmin", set_server_string_slot,
- (void *)XtOffsetOf (server_rec, server_admin), RSRC_CONF, TAKE1,
- "The email address of the server administrator" },
- { "ServerName", set_server_string_slot,
- (void *)XtOffsetOf (server_rec, server_hostname), RSRC_CONF, TAKE1,
- "The hostname of the server" },
- { "ServerSignature", set_signature_flag, NULL, ACCESS_CONF|RSRC_CONF, TAKE1,
- "En-/disable server signature (on|off|email)" },
- { "ServerRoot", set_server_root, NULL, RSRC_CONF, TAKE1,
- "Common directory of server-related files (logs, confs, etc.)" },
- { "ErrorLog", set_server_string_slot,
- (void *)XtOffsetOf (server_rec, error_fname), RSRC_CONF, TAKE1,
- "The filename of the error log" },
- { "PidFile", set_pidfile, NULL, RSRC_CONF, TAKE1,
- "A file for logging the server process ID"},
- { "ScoreBoardFile", set_scoreboard, NULL, RSRC_CONF, TAKE1,
- "A file for Apache to maintain runtime process management information"},
- { "LockFile", set_lockfile, NULL, RSRC_CONF, TAKE1,
- "The lockfile used when Apache needs to lock the accept() call"},
- { "AccessConfig", set_server_string_slot,
- (void *)XtOffsetOf (server_rec, access_confname), RSRC_CONF, TAKE1,
- "The filename of the access config file" },
- { "ResourceConfig", set_server_string_slot,
- (void *)XtOffsetOf (server_rec, srm_confname), RSRC_CONF, TAKE1,
- "The filename of the resource config file" },
- { "ServerAlias", set_server_alias, NULL, RSRC_CONF, RAW_ARGS,
- "A name or names alternately used to access the server" },
- { "ServerPath", set_serverpath, NULL, RSRC_CONF, TAKE1,
- "The pathname the server can be reached at" },
- { "Timeout", set_timeout, NULL, RSRC_CONF, TAKE1, "Timeout duration (sec)" },
- { "KeepAliveTimeout", set_keep_alive_timeout, NULL, RSRC_CONF, TAKE1,
- "Keep-Alive timeout duration (sec)"},
- { "MaxKeepAliveRequests", set_keep_alive_max, NULL, RSRC_CONF, TAKE1,
- "Maximum number of Keep-Alive requests per connection, or 0 for infinite" },
- { "KeepAlive", set_keep_alive, NULL, RSRC_CONF, TAKE1,
- "Whether persistent connections should be On or Off" },
- { "IdentityCheck", set_idcheck, NULL, RSRC_CONF|ACCESS_CONF, FLAG,
- "Enable identd (RFC 1413) user lookups - SLOW" },
- { "ContentDigest", set_content_md5, NULL, OR_OPTIONS,
- FLAG, "whether or not to send a Content-MD5 header with each request" },
- { "UseCanonicalName", set_use_canonical_name, NULL,
- OR_OPTIONS, FLAG,
- "Whether or not to always use the canonical ServerName : Port when "
- "constructing URLs" },
- { "StartServers", set_daemons_to_start, NULL, RSRC_CONF, TAKE1,
- "Number of child processes launched at server startup" },
- { "MinSpareServers", set_min_free_servers, NULL, RSRC_CONF, TAKE1,
- "Minimum number of idle children, to handle request spikes" },
- { "MaxSpareServers", set_max_free_servers, NULL, RSRC_CONF, TAKE1,
- "Maximum number of idle children" },
- { "MaxServers", set_max_free_servers, NULL, RSRC_CONF, TAKE1,
- "Deprecated equivalent to MaxSpareServers" },
- { "ServersSafetyLimit", set_server_limit, NULL, RSRC_CONF, TAKE1,
- "Deprecated equivalent to MaxClients" },
- { "MaxClients", set_server_limit, NULL, RSRC_CONF, TAKE1,
- "Maximum number of children alive at the same time" },
- { "MaxRequestsPerChild", set_max_requests, NULL, RSRC_CONF, TAKE1,
- "Maximum number of requests a particular child serves before dying." },
- { "RLimitCPU",
- #ifdef RLIMIT_CPU
- set_limit_cpu, (void*)XtOffsetOf(core_dir_config, limit_cpu),
- #else
- no_set_limit, NULL,
- #endif
- OR_ALL, TAKE12, "Soft/hard limits for max CPU usage in seconds" },
- { "RLimitMEM",
- #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
- set_limit_mem, (void*)XtOffsetOf(core_dir_config, limit_mem),
- #else
- no_set_limit, NULL,
- #endif
- OR_ALL, TAKE12, "Soft/hard limits for max memory usage per process" },
- { "RLimitNPROC",
- #ifdef RLIMIT_NPROC
- set_limit_nproc, (void*)XtOffsetOf(core_dir_config, limit_nproc),
- #else
- no_set_limit, NULL,
- #endif
- OR_ALL, TAKE12, "soft/hard limits for max number of processes per uid" },
- { "BindAddress", set_bind_address, NULL, RSRC_CONF, TAKE1,
- "'*', a numeric IP address, or the name of a host with a unique IP address"},
- { "Listen", set_listener, NULL, RSRC_CONF, TAKE1,
- "A port number or a numeric IP address and a port number"},
- { "SendBufferSize", set_send_buffer_size, NULL, RSRC_CONF, TAKE1,
- "Send buffer size in bytes"},
- { "AddModule", add_module_command, NULL, RSRC_CONF, ITERATE,
- "The name of a module" },
- { "ClearModuleList", clear_module_list_command, NULL, RSRC_CONF, NO_ARGS,
- NULL },
- { "ThreadsPerChild", set_threads, NULL, RSRC_CONF, TAKE1,
- "Number of threads a child creates" },
- { "ExcessRequestsPerChild", set_excess_requests, NULL, RSRC_CONF, TAKE1,
- "Maximum number of requests a particular child serves after it is ready "
- "to die." },
- { "ListenBacklog", set_listenbacklog, NULL, RSRC_CONF, TAKE1,
- "Maximum length of the queue of pending connections, as used by listen(2)" },
- { "CoreDumpDirectory", set_coredumpdir, NULL, RSRC_CONF, TAKE1,
- "The location of the directory Apache changes to before dumping core" },
- { "Include", include_config, NULL, (RSRC_CONF | ACCESS_CONF), TAKE1,
- "Name of the config file to be included" },
- { "LogLevel", set_loglevel, NULL, RSRC_CONF, TAKE1,
- "Level of verbosity in error logging" },
- { "NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF, TAKE1,
- "A numeric IP address:port, or the name of a host" },
- #ifdef _OSD_POSIX
- { "BS2000Account", set_bs2000_account, NULL, RSRC_CONF, TAKE1,
- "Name of server User's bs2000 logon account name" },
- #endif
- { "ServerTokens", set_serv_tokens, NULL, RSRC_CONF, TAKE1,
- "Determine tokens displayed in the Server: header - Min(imal), OS or Full" },
- { "LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF, TAKE1,
- "Limit on maximum size of an HTTP request line"},
- { "LimitRequestFieldsize", set_limit_req_fieldsize, NULL, RSRC_CONF, TAKE1,
- "Limit on maximum size of an HTTP request header field"},
- { "LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF, TAKE1,
- "Limit (0 = unlimited) on max number of header fields in a request message"},
- { "LimitRequestBody", set_limit_req_body,
- (void*)XtOffsetOf(core_dir_config, limit_req_body),
- OR_ALL, TAKE1,
- "Limit (in bytes) on maximum size of request message body" },
- { NULL },
- };
-
- /*****************************************************************
- *
- * Core handlers for various phases of server operation...
- */
-
- static int core_translate(request_rec *r)
- {
- void *sconf = r->server->module_config;
- core_server_config *conf = ap_get_module_config(sconf, &core_module);
-
- if (r->proxyreq) {
- return HTTP_FORBIDDEN;
- }
- if ((r->uri[0] != '/') && strcmp(r->uri, "*")) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r,
- "Invalid URI in request %s", r->the_request);
- return BAD_REQUEST;
- }
-
- if (r->server->path
- && !strncmp(r->uri, r->server->path, r->server->pathlen)
- && (r->server->path[r->server->pathlen - 1] == '/'
- || r->uri[r->server->pathlen] == '/'
- || r->uri[r->server->pathlen] == '\0')) {
- r->filename = ap_pstrcat(r->pool, conf->ap_document_root,
- (r->uri + r->server->pathlen), NULL);
- }
- else {
- /*
- * Make sure that we do not mess up the translation by adding two
- * /'s in a row. This happens under windows when the document
- * root ends with a /
- */
- if ((conf->ap_document_root[strlen(conf->ap_document_root)-1] == '/')
- && (*(r->uri) == '/')) {
- r->filename = ap_pstrcat(r->pool, conf->ap_document_root, r->uri+1,
- NULL);
- }
- else {
- r->filename = ap_pstrcat(r->pool, conf->ap_document_root, r->uri,
- NULL);
- }
- }
-
- return OK;
- }
-
- static int do_nothing(request_rec *r) { return OK; }
-
- #ifdef USE_MMAP_FILES
- struct mmap {
- void *mm;
- size_t length;
- };
-
- static void mmap_cleanup(void *mmv)
- {
- struct mmap *mmd = mmv;
-
- munmap(mmd->mm, mmd->length);
- }
- #endif
-
- /*
- * Default handler for MIME types without other handlers. Only GET
- * and OPTIONS at this point... anyone who wants to write a generic
- * handler for PUT or POST is free to do so, but it seems unwise to provide
- * any defaults yet... So, for now, we assume that this will always be
- * the last handler called and return 405 or 501.
- */
-
- static int default_handler(request_rec *r)
- {
- core_dir_config *d =
- (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
- int rangestatus, errstatus;
- FILE *f;
- #ifdef USE_MMAP_FILES
- caddr_t mm;
- #endif
-
- /* This handler has no use for a request body (yet), but we still
- * need to read and discard it if the client sent one.
- */
- if ((errstatus = ap_discard_request_body(r)) != OK) {
- return errstatus;
- }
-
- r->allowed |= (1 << M_GET) | (1 << M_OPTIONS);
-
- if (r->method_number == M_INVALID) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r,
- "Invalid method in request %s", r->the_request);
- return NOT_IMPLEMENTED;
- }
- if (r->method_number == M_OPTIONS) {
- return ap_send_http_options(r);
- }
- if (r->method_number == M_PUT) {
- return METHOD_NOT_ALLOWED;
- }
-
- if (r->finfo.st_mode == 0 || (r->path_info && *r->path_info)) {
- char *emsg;
-
- emsg = "File does not exist: ";
- if (r->path_info == NULL) {
- emsg = ap_pstrcat(r->pool, emsg, r->filename, NULL);
- }
- else {
- emsg = ap_pstrcat(r->pool, emsg, r->filename, r->path_info, NULL);
- }
- ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, r, "%s", emsg);
- return HTTP_NOT_FOUND;
- }
- if (r->method_number != M_GET) {
- return METHOD_NOT_ALLOWED;
- }
-
- #if defined(OS2) || defined(WIN32)
- /* Need binary mode for OS/2 */
- f = ap_pfopen(r->pool, r->filename, "rb");
- #else
- f = ap_pfopen(r->pool, r->filename, "r");
- #endif
-
- if (f == NULL) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, r,
- "file permissions deny server access: %s", r->filename);
- return FORBIDDEN;
- }
-
- ap_update_mtime(r, r->finfo.st_mtime);
- ap_set_last_modified(r);
- ap_set_etag(r);
- ap_table_setn(r->headers_out, "Accept-Ranges", "bytes");
- if (((errstatus = ap_meets_conditions(r)) != OK)
- || (errstatus = ap_set_content_length(r, r->finfo.st_size))) {
- return errstatus;
- }
-
- #ifdef USE_MMAP_FILES
- ap_block_alarms();
- if ((r->finfo.st_size >= MMAP_THRESHOLD)
- && (!r->header_only || (d->content_md5 & 1))) {
- /* we need to protect ourselves in case we die while we've got the
- * file mmapped */
- mm = mmap(NULL, r->finfo.st_size, PROT_READ, MAP_PRIVATE,
- fileno(f), 0);
- if (mm == (caddr_t)-1) {
- ap_log_rerror(APLOG_MARK, APLOG_CRIT, r,
- "default_handler: mmap failed: %s", r->filename);
- }
- }
- else {
- mm = (caddr_t)-1;
- }
-
- if (mm == (caddr_t)-1) {
- ap_unblock_alarms();
- #endif
-
- if (d->content_md5 & 1) {
- ap_table_setn(r->headers_out, "Content-MD5",
- ap_md5digest(r->pool, f));
- }
-
- rangestatus = ap_set_byterange(r);
- #ifdef CHARSET_EBCDIC
- /* To make serving of "raw ASCII text" files easy (they serve faster
- * since they don't have to be converted from EBCDIC), a new
- * "magic" type prefix was invented: text/x-ascii-{plain,html,...}
- * If we detect one of these content types here, we simply correct
- * the type to the real text/{plain,html,...} type. Otherwise, we
- * set a flag that translation is required later on.
- */
- ap_checkconv(r);
- #endif /*CHARSET_EBCDIC*/
-
- ap_send_http_header(r);
-
- if (!r->header_only) {
- if (!rangestatus) {
- ap_send_fd(f, r);
- }
- else {
- long offset, length;
- while (ap_each_byterange(r, &offset, &length)) {
- fseek(f, offset, SEEK_SET);
- ap_send_fd_length(f, r, length);
- }
- }
- }
-
- #ifdef USE_MMAP_FILES
- }
- else {
- struct mmap *mmd;
-
- mmd = ap_palloc(r->pool, sizeof(*mmd));
- mmd->mm = mm;
- mmd->length = r->finfo.st_size;
- ap_register_cleanup(r->pool, (void *)mmd, mmap_cleanup, mmap_cleanup);
- ap_unblock_alarms();
-
- if (d->content_md5 & 1) {
- AP_MD5_CTX context;
-
- ap_MD5Init(&context);
- ap_MD5Update(&context, (void *)mm, r->finfo.st_size);
- ap_table_setn(r->headers_out, "Content-MD5",
- ap_md5contextTo64(r->pool, &context));
- }
-
- rangestatus = ap_set_byterange(r);
- ap_send_http_header(r);
-
- if (!r->header_only) {
- if (!rangestatus) {
- ap_send_mmap(mm, r, 0, r->finfo.st_size);
- }
- else {
- long offset, length;
- while (ap_each_byterange(r, &offset, &length)) {
- ap_send_mmap(mm, r, offset, length);
- }
- }
- }
- }
- #endif
-
- ap_pfclose(r->pool, f);
- return OK;
- }
-
- static const handler_rec core_handlers[] = {
- { "*/*", default_handler },
- { "default-handler", default_handler },
- { NULL }
- };
-
- API_VAR_EXPORT module core_module = {
- STANDARD_MODULE_STUFF,
- NULL, /* initializer */
- create_core_dir_config, /* create per-directory config structure */
- merge_core_dir_configs, /* merge per-directory config structures */
- create_core_server_config, /* create per-server config structure */
- merge_core_server_configs, /* merge per-server config structures */
- core_cmds, /* command table */
- core_handlers, /* handlers */
- core_translate, /* translate_handler */
- NULL, /* check_user_id */
- NULL, /* check auth */
- do_nothing, /* check access */
- do_nothing, /* type_checker */
- NULL, /* pre-run fixups */
- NULL, /* logger */
- NULL, /* header parser */
- NULL, /* child_init */
- NULL, /* child_exit */
- NULL /* post_read_request */
- };
-