1 /* ====================================================================
2 * The Apache Software License, Version 1.1
4 * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * ====================================================================
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>.
54 * Portions of this software are based upon public domain software
55 * originally written at the National Center for Supercomputing Applications,
56 * University of Illinois, Urbana-Champaign.
60 #include "apr_strings.h"
62 #include "apr_fnmatch.h"
64 #include "apr_thread_proc.h" /* for RLIMIT stuff */
65 #include "apr_hooks.h"
67 #define APR_WANT_IOVEC
68 #define APR_WANT_STRFUNC
69 #define APR_WANT_MEMFUNC
73 #include "ap_config.h"
75 #include "http_config.h"
76 #include "http_core.h"
77 #include "http_protocol.h" /* For index_of_response(). Grump. */
78 #include "http_request.h"
79 #include "http_vhost.h"
80 #include "http_main.h" /* For the default_handler below... */
84 #include "http_connection.h"
85 #include "apr_buckets.h"
86 #include "util_filter.h"
87 #include "util_ebcdic.h"
89 #include "mpm_common.h"
90 #include "scoreboard.h"
92 #include "mod_proxy.h"
93 #include "ap_listen.h"
95 /* LimitXMLRequestBody handling */
96 #define AP_LIMIT_UNSET ((long) -1)
97 #define AP_DEFAULT_LIMIT_XML_BODY ((size_t)1000000)
99 #define AP_MIN_SENDFILE_BYTES (256)
102 APR_HOOK_LINK(get_mgmt_items)
105 AP_IMPLEMENT_HOOK_RUN_ALL(int, get_mgmt_items,
106 (apr_pool_t *p, const char *val, apr_hash_t *ht),
107 (p, val, ht), OK, DECLINED)
109 /* Server core module... This module provides support for really basic
110 * server operations, including options and commands which control the
111 * operation of other modules. Consider this the bureaucracy module.
113 * The core module also defines handlers, etc., do handle just enough
114 * to allow a server with the core module ONLY to actually serve documents
115 * (though it slaps DefaultType on all of 'em); this was useful in testing,
116 * but may not be worth preserving.
118 * This file could almost be mod_core.c, except for the stuff which affects
119 * the http_conf_globals.
122 /* Handles for core filters */
123 ap_filter_rec_t *ap_subreq_core_filter_handle;
124 ap_filter_rec_t *ap_core_output_filter_handle;
125 ap_filter_rec_t *ap_content_length_filter_handle;
126 ap_filter_rec_t *ap_net_time_filter_handle;
127 ap_filter_rec_t *ap_core_input_filter_handle;
129 static void *create_core_dir_config(apr_pool_t *a, char *dir)
131 core_dir_config *conf;
133 conf = (core_dir_config *)apr_pcalloc(a, sizeof(core_dir_config));
135 /* conf->r and conf->d[_*] are initialized by dirsection() or left NULL */
137 conf->opts = dir ? OPT_UNSET : OPT_UNSET|OPT_ALL;
138 conf->opts_add = conf->opts_remove = OPT_NONE;
139 conf->override = dir ? OR_UNSET : OR_UNSET|OR_ALL;
141 conf->content_md5 = 2;
142 conf->accept_path_info = 3;
144 conf->use_canonical_name = USE_CANONICAL_NAME_UNSET;
146 conf->hostname_lookups = HOSTNAME_LOOKUP_UNSET;
147 conf->do_rfc1413 = DEFAULT_RFC1413 | 2; /* set bit 1 to indicate default */
148 conf->satisfy = SATISFY_NOSPEC;
151 conf->limit_cpu = NULL;
153 #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
154 conf->limit_mem = NULL;
157 conf->limit_nproc = NULL;
160 conf->limit_req_body = 0;
161 conf->limit_xml_body = AP_LIMIT_UNSET;
162 conf->sec_file = apr_array_make(a, 2, sizeof(ap_conf_vector_t *));
164 conf->server_signature = srv_sig_unset;
166 conf->add_default_charset = ADD_DEFAULT_CHARSET_UNSET;
167 conf->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
169 /* Overriding all negotiation
171 conf->mime_type = NULL;
172 conf->handler = NULL;
173 conf->output_filters = NULL;
174 conf->input_filters = NULL;
177 * Flag for use of inodes in ETags.
179 conf->etag_bits = ETAG_UNSET;
180 conf->etag_add = ETAG_UNSET;
181 conf->etag_remove = ETAG_UNSET;
187 * Overlay one hash table of ct_output_filters onto another
189 static void *merge_ct_filters(apr_pool_t *p,
192 const void *overlay_val,
193 const void *base_val,
196 ap_filter_rec_t *cur;
197 const ap_filter_rec_t *overlay_info = (const ap_filter_rec_t *)overlay_val;
198 const ap_filter_rec_t *base_info = (const ap_filter_rec_t *)base_val;
202 while (overlay_info) {
203 ap_filter_rec_t *new;
205 new = apr_pcalloc(p, sizeof(ap_filter_rec_t));
206 new->name = apr_pstrdup(p, overlay_info->name);
209 overlay_info = overlay_info->next;
216 /* We can't have dups. */
219 if (!strcasecmp(base_info->name, f->name)) {
228 f = apr_pcalloc(p, sizeof(ap_filter_rec_t));
229 f->name = apr_pstrdup(p, base_info->name);
234 base_info = base_info->next;
240 static void *merge_core_dir_configs(apr_pool_t *a, void *basev, void *newv)
242 core_dir_config *base = (core_dir_config *)basev;
243 core_dir_config *new = (core_dir_config *)newv;
244 core_dir_config *conf;
247 /* Create this conf by duplicating the base, replacing elements
248 * (or creating copies for merging) where new-> values exist.
250 conf = (core_dir_config *)apr_palloc(a, sizeof(core_dir_config));
251 memcpy(conf, base, sizeof(core_dir_config));
254 conf->d_is_fnmatch = new->d_is_fnmatch;
255 conf->d_components = new->d_components;
258 if (new->opts & OPT_UNSET) {
259 /* there was no explicit setting of new->opts, so we merge
260 * preserve the invariant (opts_add & opts_remove) == 0
262 conf->opts_add = (conf->opts_add & ~new->opts_remove) | new->opts_add;
263 conf->opts_remove = (conf->opts_remove & ~new->opts_add)
265 conf->opts = (conf->opts & ~conf->opts_remove) | conf->opts_add;
266 if ((base->opts & OPT_INCNOEXEC) && (new->opts & OPT_INCLUDES)) {
267 conf->opts = (conf->opts & ~OPT_INCNOEXEC) | OPT_INCLUDES;
271 /* otherwise we just copy, because an explicit opts setting
272 * overrides all earlier +/- modifiers
274 conf->opts = new->opts;
275 conf->opts_add = new->opts_add;
276 conf->opts_remove = new->opts_remove;
279 if (!(new->override & OR_UNSET)) {
280 conf->override = new->override;
283 if (new->ap_default_type) {
284 conf->ap_default_type = new->ap_default_type;
287 if (new->ap_auth_type) {
288 conf->ap_auth_type = new->ap_auth_type;
291 if (new->ap_auth_name) {
292 conf->ap_auth_name = new->ap_auth_name;
295 if (new->ap_requires) {
296 conf->ap_requires = new->ap_requires;
299 if (conf->response_code_strings == NULL) {
300 conf->response_code_strings = new->response_code_strings;
302 else if (new->response_code_strings != NULL) {
303 /* If we merge, the merge-result must have it's own array
305 conf->response_code_strings = apr_palloc(a,
306 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
307 memcpy(conf->response_code_strings, base->response_code_strings,
308 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
310 for (i = 0; i < RESPONSE_CODES; ++i) {
311 if (new->response_code_strings[i] != NULL) {
312 conf->response_code_strings[i] = new->response_code_strings[i];
316 /* Otherwise we simply use the base->response_code_strings array
319 if (new->hostname_lookups != HOSTNAME_LOOKUP_UNSET) {
320 conf->hostname_lookups = new->hostname_lookups;
323 if ((new->do_rfc1413 & 2) == 0) {
324 conf->do_rfc1413 = new->do_rfc1413;
327 if ((new->content_md5 & 2) == 0) {
328 conf->content_md5 = new->content_md5;
331 if (new->accept_path_info != 3) {
332 conf->accept_path_info = new->accept_path_info;
335 if (new->use_canonical_name != USE_CANONICAL_NAME_UNSET) {
336 conf->use_canonical_name = new->use_canonical_name;
340 if (new->limit_cpu) {
341 conf->limit_cpu = new->limit_cpu;
345 #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
346 if (new->limit_mem) {
347 conf->limit_mem = new->limit_mem;
352 if (new->limit_nproc) {
353 conf->limit_nproc = new->limit_nproc;
357 if (new->limit_req_body) {
358 conf->limit_req_body = new->limit_req_body;
361 if (new->limit_xml_body != AP_LIMIT_UNSET)
362 conf->limit_xml_body = new->limit_xml_body;
364 conf->limit_xml_body = base->limit_xml_body;
366 if (!conf->sec_file) {
367 conf->sec_file = new->sec_file;
369 else if (new->sec_file) {
370 /* If we merge, the merge-result must have it's own array
372 conf->sec_file = apr_array_append(a, base->sec_file, new->sec_file);
374 /* Otherwise we simply use the base->sec_file array
377 if (new->satisfy != SATISFY_NOSPEC) {
378 conf->satisfy = new->satisfy;
381 if (new->server_signature != srv_sig_unset) {
382 conf->server_signature = new->server_signature;
385 if (new->add_default_charset != ADD_DEFAULT_CHARSET_UNSET) {
386 conf->add_default_charset = new->add_default_charset;
387 conf->add_default_charset_name = new->add_default_charset_name;
390 /* Overriding all negotiation
392 if (new->mime_type) {
393 conf->mime_type = new->mime_type;
397 conf->handler = new->handler;
400 if (new->output_filters) {
401 conf->output_filters = new->output_filters;
404 if (new->input_filters) {
405 conf->input_filters = new->input_filters;
408 if (conf->ct_output_filters && new->ct_output_filters) {
409 conf->ct_output_filters = apr_hash_merge(a,
410 new->ct_output_filters,
411 conf->ct_output_filters,
415 else if (new->ct_output_filters) {
416 conf->ct_output_filters = apr_hash_copy(a, new->ct_output_filters);
418 else if (conf->ct_output_filters) {
419 /* That memcpy above isn't enough. */
420 conf->ct_output_filters = apr_hash_copy(a, base->ct_output_filters);
424 * Now merge the setting of the FileETag directive.
426 if (new->etag_bits == ETAG_UNSET) {
428 (conf->etag_add & (~ new->etag_remove)) | new->etag_add;
430 (conf->opts_remove & (~ new->etag_add)) | new->etag_remove;
432 (conf->etag_bits & (~ conf->etag_remove)) | conf->etag_add;
435 conf->etag_bits = new->etag_bits;
436 conf->etag_add = new->etag_add;
437 conf->etag_remove = new->etag_remove;
440 if (conf->etag_bits != ETAG_NONE) {
441 conf->etag_bits &= (~ ETAG_NONE);
447 static void *create_core_server_config(apr_pool_t *a, server_rec *s)
449 core_server_config *conf;
450 int is_virtual = s->is_virtual;
452 conf = (core_server_config *)apr_pcalloc(a, sizeof(core_server_config));
455 conf->gprof_dir = NULL;
458 conf->access_name = is_virtual ? NULL : DEFAULT_ACCESS_FNAME;
459 conf->ap_document_root = is_virtual ? NULL : DOCUMENT_LOCATION;
460 conf->sec_dir = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
461 conf->sec_url = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
466 static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv)
468 core_server_config *base = (core_server_config *)basev;
469 core_server_config *virt = (core_server_config *)virtv;
470 core_server_config *conf;
472 conf = (core_server_config *)apr_palloc(p, sizeof(core_server_config));
473 memcpy(conf, virt, sizeof(core_server_config));
475 if (!conf->access_name) {
476 conf->access_name = base->access_name;
479 if (!conf->ap_document_root) {
480 conf->ap_document_root = base->ap_document_root;
483 conf->sec_dir = apr_array_append(p, base->sec_dir, virt->sec_dir);
484 conf->sec_url = apr_array_append(p, base->sec_url, virt->sec_url);
489 /* Add per-directory configuration entry (for <directory> section);
490 * these are part of the core server config.
493 AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
495 core_server_config *sconf = ap_get_module_config(s->module_config,
497 void **new_space = (void **)apr_array_push(sconf->sec_dir);
499 *new_space = dir_config;
502 AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config)
504 core_server_config *sconf = ap_get_module_config(s->module_config,
506 void **new_space = (void **)apr_array_push(sconf->sec_url);
508 *new_space = url_config;
511 AP_CORE_DECLARE(void) ap_add_file_conf(core_dir_config *conf, void *url_config)
513 void **new_space = (void **)apr_array_push(conf->sec_file);
515 *new_space = url_config;
518 /* We need to do a stable sort, qsort isn't stable. So to make it stable
519 * we'll be maintaining the original index into the list, and using it
520 * as the minor key during sorting. The major key is the number of
521 * components (where the root component is zero).
523 struct reorder_sort_rec {
524 ap_conf_vector_t *elt;
528 static int reorder_sorter(const void *va, const void *vb)
530 const struct reorder_sort_rec *a = va;
531 const struct reorder_sort_rec *b = vb;
532 core_dir_config *core_a;
533 core_dir_config *core_b;
535 core_a = ap_get_module_config(a->elt, &core_module);
536 core_b = ap_get_module_config(b->elt, &core_module);
538 /* a regex always sorts after a non-regex
540 if (!core_a->r && core_b->r) {
543 else if (core_a->r && !core_b->r) {
547 /* we always sort next by the number of components
549 if (core_a->d_components < core_b->d_components) {
552 else if (core_a->d_components > core_b->d_components) {
556 /* They have the same number of components, we now have to compare
557 * the minor key to maintain the original order (from the config.)
559 return a->orig_index - b->orig_index;
562 void ap_core_reorder_directories(apr_pool_t *p, server_rec *s)
564 core_server_config *sconf;
565 apr_array_header_t *sec_dir;
566 struct reorder_sort_rec *sortbin;
568 ap_conf_vector_t **elts;
572 sconf = ap_get_module_config(s->module_config, &core_module);
573 sec_dir = sconf->sec_dir;
574 nelts = sec_dir->nelts;
575 elts = (ap_conf_vector_t **)sec_dir->elts;
578 /* simple case of already being sorted... */
579 /* We're not checking this condition to be fast... we're checking
580 * it to avoid trying to palloc zero bytes, which can trigger some
581 * memory debuggers to barf
586 /* we have to allocate tmp space to do a stable sort */
587 apr_pool_create(&tmp, p);
588 sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin));
589 for (i = 0; i < nelts; ++i) {
590 sortbin[i].orig_index = i;
591 sortbin[i].elt = elts[i];
594 qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
596 /* and now copy back to the original array */
597 for (i = 0; i < nelts; ++i) {
598 elts[i] = sortbin[i].elt;
601 apr_pool_destroy(tmp);
604 /*****************************************************************
606 * There are some elements of the core config structures in which
607 * other modules have a legitimate interest (this is ugly, but necessary
608 * to preserve NCSA back-compatibility). So, we have a bunch of accessors
612 AP_DECLARE(int) ap_allow_options(request_rec *r)
614 core_dir_config *conf =
615 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
620 AP_DECLARE(int) ap_allow_overrides(request_rec *r)
622 core_dir_config *conf;
623 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
626 return conf->override;
629 AP_DECLARE(const char *) ap_auth_type(request_rec *r)
631 core_dir_config *conf;
633 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
636 return conf->ap_auth_type;
639 AP_DECLARE(const char *) ap_auth_name(request_rec *r)
641 core_dir_config *conf;
643 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
646 return conf->ap_auth_name;
649 AP_DECLARE(const char *) ap_default_type(request_rec *r)
651 core_dir_config *conf;
653 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
656 return conf->ap_default_type
657 ? conf->ap_default_type
658 : DEFAULT_CONTENT_TYPE;
661 AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */
663 core_server_config *conf;
665 conf = (core_server_config *)ap_get_module_config(r->server->module_config,
668 return conf->ap_document_root;
671 AP_DECLARE(const apr_array_header_t *) ap_requires(request_rec *r)
673 core_dir_config *conf;
675 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
678 return conf->ap_requires;
681 AP_DECLARE(int) ap_satisfies(request_rec *r)
683 core_dir_config *conf;
685 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
688 return conf->satisfy;
691 /* Should probably just get rid of this... the only code that cares is
692 * part of the core anyway (and in fact, it isn't publicised to other
696 char *ap_response_code_string(request_rec *r, int error_index)
698 core_dir_config *conf;
700 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
703 if (conf->response_code_strings == NULL) {
707 return conf->response_code_strings[error_index];
711 /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
712 static APR_INLINE void do_double_reverse (conn_rec *conn)
717 if (conn->double_reverse) {
722 if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
723 /* single reverse failed, so don't bother */
724 conn->double_reverse = -1;
728 rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool);
729 if (rv == APR_SUCCESS) {
731 if (apr_sockaddr_equal(sa, conn->remote_addr)) {
732 conn->double_reverse = 1;
740 conn->double_reverse = -1;
743 AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
744 int type, int *str_is_ip)
746 int hostname_lookups;
748 if (str_is_ip) { /* if caller wants to know */
752 /* If we haven't checked the host name, and we want to */
755 ((core_dir_config *)ap_get_module_config(dir_config, &core_module))
758 if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
759 hostname_lookups = HOSTNAME_LOOKUP_OFF;
764 hostname_lookups = HOSTNAME_LOOKUP_OFF;
767 if (type != REMOTE_NOLOOKUP
768 && conn->remote_host == NULL
769 && (type == REMOTE_DOUBLE_REV
770 || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
772 if (apr_getnameinfo(&conn->remote_host, conn->remote_addr, 0)
774 ap_str_tolower(conn->remote_host);
776 if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
777 do_double_reverse(conn);
778 if (conn->double_reverse != 1) {
779 conn->remote_host = NULL;
784 /* if failed, set it to the NULL string to indicate error */
785 if (conn->remote_host == NULL) {
786 conn->remote_host = "";
790 if (type == REMOTE_DOUBLE_REV) {
791 do_double_reverse(conn);
792 if (conn->double_reverse == -1) {
798 * Return the desired information; either the remote DNS name, if found,
799 * or either NULL (if the hostname was requested) or the IP address
800 * (if any identifier was requested).
802 if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
803 return conn->remote_host;
806 if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
810 if (str_is_ip) { /* if caller wants to know */
814 return conn->remote_ip;
819 AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r)
821 core_dir_config *dir_conf;
823 if (r->connection->remote_logname != NULL) {
824 return r->connection->remote_logname;
827 /* If we haven't checked the identity, and we want to */
828 dir_conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
831 if (dir_conf->do_rfc1413 & 1) {
832 return ap_rfc1413(r->connection, r->server);
839 /* There are two options regarding what the "name" of a server is. The
840 * "canonical" name as defined by ServerName and Port, or the "client's
841 * name" as supplied by a possible Host: header or full URI. We never
842 * trust the port passed in the client's headers, we always use the
843 * port of the actual socket.
845 * The DNS option to UseCanonicalName causes this routine to do a
846 * reverse lookup on the local IP address of the connection and use
847 * that for the ServerName. This makes its value more reliable while
848 * at the same time allowing Demon's magic virtual hosting to work.
849 * The assumption is that DNS lookups are sufficiently quick...
852 AP_DECLARE(const char *) ap_get_server_name(request_rec *r)
854 conn_rec *conn = r->connection;
857 d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
860 if (d->use_canonical_name == USE_CANONICAL_NAME_OFF) {
861 return r->hostname ? r->hostname : r->server->server_hostname;
864 if (d->use_canonical_name == USE_CANONICAL_NAME_DNS) {
865 if (conn->local_host == NULL) {
866 if (apr_getnameinfo(&conn->local_host,
867 conn->local_addr, 0) != APR_SUCCESS)
868 conn->local_host = apr_pstrdup(conn->pool,
869 r->server->server_hostname);
871 ap_str_tolower(conn->local_host);
875 return conn->local_host;
879 return r->server->server_hostname;
882 AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r)
886 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
888 if (d->use_canonical_name == USE_CANONICAL_NAME_OFF
889 || d->use_canonical_name == USE_CANONICAL_NAME_DNS) {
891 /* With UseCanonicalName off Apache will form self-referential
892 * URLs using the hostname and port supplied by the client if
893 * any are supplied (otherwise it will use the canonical name).
895 port = r->parsed_uri.port ? r->parsed_uri.port :
896 r->server->port ? r->server->port :
899 else { /* d->use_canonical_name == USE_CANONICAL_NAME_ON */
901 /* With UseCanonicalName on (and in all versions prior to 1.3)
902 * Apache will use the hostname and port specified in the
903 * ServerName directive to construct a canonical name for the
904 * server. (If no port was specified in the ServerName
905 * directive, Apache uses the port supplied by the client if
906 * any is supplied, and finally the default port for the protocol
909 port = r->server->port ? r->server->port :
910 r->connection->local_addr->port ? r->connection->local_addr->port :
918 AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri,
921 unsigned port = ap_get_server_port(r);
922 const char *host = ap_get_server_name(r);
924 if (ap_is_default_port(port, r)) {
925 return apr_pstrcat(p, ap_http_method(r), "://", host, uri, NULL);
928 return apr_psprintf(p, "%s://%s:%u%s", ap_http_method(r), host, port, uri);
931 AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r)
934 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
936 return d->limit_req_body;
940 /*****************************************************************
942 * Commands... this module handles almost all of the NCSA httpd.conf
943 * commands, but most of the old srm.conf is in the the modules.
947 /* returns a parent if it matches the given directive */
948 static const ap_directive_t * find_parent(const ap_directive_t *dirp,
951 while (dirp->parent != NULL) {
954 /* ### it would be nice to have atom-ized directives */
955 if (strcasecmp(dirp->directive, what) == 0)
962 AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd,
965 const char *gt = (cmd->cmd->name[0] == '<'
966 && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
968 const ap_directive_t *found;
970 if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
971 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
972 " cannot occur within <VirtualHost> section", NULL);
975 if ((forbidden & NOT_IN_LIMIT) && cmd->limited != -1) {
976 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
977 " cannot occur within <Limit> section", NULL);
980 if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE
981 && cmd->path != NULL) {
982 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
983 " cannot occur within <Directory/Location/Files> "
987 if (((forbidden & NOT_IN_DIRECTORY)
988 && ((found = find_parent(cmd->directive, "<Directory"))
989 || (found = find_parent(cmd->directive, "<DirectoryMatch"))))
990 || ((forbidden & NOT_IN_LOCATION)
991 && ((found = find_parent(cmd->directive, "<Location"))
992 || (found = find_parent(cmd->directive, "<LocationMatch"))))
993 || ((forbidden & NOT_IN_FILES)
994 && ((found = find_parent(cmd->directive, "<Files"))
995 || (found = find_parent(cmd->directive, "<FilesMatch"))))) {
996 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
997 " cannot occur within ", found->directive,
1004 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1007 void *sconf = cmd->server->module_config;
1008 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1010 const char *err = ap_check_cmd_context(cmd,
1011 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1016 conf->access_name = apr_pstrdup(cmd->pool, arg);
1021 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1023 void *sconf = cmd->server->module_config;
1024 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1026 const char *err = ap_check_cmd_context(cmd,
1027 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1032 conf->gprof_dir = apr_pstrdup(cmd->pool, arg);
1037 static const char *set_add_default_charset(cmd_parms *cmd,
1038 void *d_, const char *arg)
1040 core_dir_config *d = d_;
1042 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1047 if (!strcasecmp(arg, "Off")) {
1048 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1050 else if (!strcasecmp(arg, "On")) {
1051 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1052 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1055 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1056 d->add_default_charset_name = arg;
1062 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1065 void *sconf = cmd->server->module_config;
1066 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1068 const char *err = ap_check_cmd_context(cmd,
1069 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1074 /* TODO: ap_configtestonly && ap_docrootcheck && */
1075 /* XXX Shouldn't this be relative to ServerRoot ??? */
1076 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1077 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1078 || !ap_is_directory(cmd->pool, arg)) {
1079 if (cmd->server->is_virtual) {
1080 ap_log_perror(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0,
1082 "Warning: DocumentRoot [%s] does not exist",
1084 conf->ap_document_root = arg;
1087 return "DocumentRoot must be a directory";
1093 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1096 core_dir_config *conf =
1097 ap_get_module_config(r->per_dir_config, &core_module);
1100 if(conf->response_code_strings == NULL) {
1101 conf->response_code_strings =
1102 apr_pcalloc(r->pool,
1103 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1106 idx = ap_index_of_response(status);
1108 conf->response_code_strings[idx] =
1109 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1110 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1113 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1114 const char *errno_str, const char *msg)
1116 core_dir_config *conf = conf_;
1117 int error_number, index_number, idx500;
1118 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1120 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1125 /* 1st parameter should be a 3 digit number, which we recognize;
1126 * convert it into an array index
1128 error_number = atoi(errno_str);
1129 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1131 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1132 index_number = idx500;
1134 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1135 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1139 /* Heuristic to determine second argument. */
1140 if (ap_strchr_c(msg,' '))
1142 else if (msg[0] == '/')
1144 else if (ap_is_url(msg))
1149 /* The entry should be ignored if it is a full URL for a 401 error */
1151 if (error_number == 401 && what == REMOTE_PATH) {
1152 ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_NOTICE, 0, cmd->server,
1153 "cannot use a full URL in a 401 ErrorDocument "
1154 "directive --- ignoring!");
1156 else { /* Store it... */
1157 if (conf->response_code_strings == NULL) {
1158 conf->response_code_strings =
1159 apr_pcalloc(cmd->pool,
1160 sizeof(*conf->response_code_strings) *
1164 /* hack. Prefix a " if it is a msg; as that is what
1165 * http_protocol.c relies on to distinguish between
1166 * a msg and a (local) path.
1168 conf->response_code_strings[index_number] = (what == MSG) ?
1169 apr_pstrcat(cmd->pool, "\"",msg,NULL) :
1170 apr_pstrdup(cmd->pool, msg);
1176 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1178 core_dir_config *d = d_;
1181 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1186 d->override = OR_NONE;
1188 w = ap_getword_conf(cmd->pool, &l);
1189 if (!strcasecmp(w, "Limit")) {
1190 d->override |= OR_LIMIT;
1192 else if (!strcasecmp(w, "Options")) {
1193 d->override |= OR_OPTIONS;
1195 else if (!strcasecmp(w, "FileInfo")) {
1196 d->override |= OR_FILEINFO;
1198 else if (!strcasecmp(w, "AuthConfig")) {
1199 d->override |= OR_AUTHCFG;
1201 else if (!strcasecmp(w, "Indexes")) {
1202 d->override |= OR_INDEXES;
1204 else if (!strcasecmp(w, "None")) {
1205 d->override = OR_NONE;
1207 else if (!strcasecmp(w, "All")) {
1208 d->override = OR_ALL;
1211 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1214 d->override &= ~OR_UNSET;
1220 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1222 core_dir_config *d = d_;
1223 allow_options_t opt;
1228 char *w = ap_getword_conf(cmd->pool, &l);
1231 if (*w == '+' || *w == '-') {
1239 if (!strcasecmp(w, "Indexes")) {
1242 else if (!strcasecmp(w, "Includes")) {
1245 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1246 opt = (OPT_INCLUDES | OPT_INCNOEXEC);
1248 else if (!strcasecmp(w, "FollowSymLinks")) {
1249 opt = OPT_SYM_LINKS;
1251 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1252 opt = OPT_SYM_OWNER;
1254 else if (!strcasecmp(w, "execCGI")) {
1257 else if (!strcasecmp(w, "MultiViews")) {
1260 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1261 opt = OPT_MULTI|OPT_EXECCGI;
1263 else if (!strcasecmp(w, "None")) {
1266 else if (!strcasecmp(w, "All")) {
1270 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1273 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1274 if (action == '-') {
1275 d->opts_remove |= opt;
1276 d->opts_add &= ~opt;
1279 else if (action == '+') {
1281 d->opts_remove &= ~opt;
1293 * Note what data should be used when forming file ETag values.
1294 * It would be nicer to do this as an ITERATE, but then we couldn't
1295 * remember the +/- state properly.
1297 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1300 core_dir_config *cfg;
1301 etag_components_t bit;
1309 cfg = (core_dir_config *)mconfig;
1314 while (args[0] != '\0') {
1318 token = ap_getword_conf(cmd->pool, &args);
1319 if ((*token == '+') || (*token == '-')) {
1325 * The occurrence of an absolute setting wipes
1326 * out any previous relative ones. The first such
1327 * occurrence forgets any inherited ones, too.
1330 cfg->etag_bits = ETAG_UNSET;
1331 cfg->etag_add = ETAG_UNSET;
1332 cfg->etag_remove = ETAG_UNSET;
1337 if (strcasecmp(token, "None") == 0) {
1338 if (action != '*') {
1342 cfg->etag_bits = bit = ETAG_NONE;
1346 else if (strcasecmp(token, "All") == 0) {
1347 if (action != '*') {
1352 cfg->etag_bits = bit = ETAG_ALL;
1355 else if (strcasecmp(token, "Size") == 0) {
1358 else if ((strcasecmp(token, "LMTime") == 0)
1359 || (strcasecmp(token, "MTime") == 0)
1360 || (strcasecmp(token, "LastModified") == 0)) {
1363 else if (strcasecmp(token, "INode") == 0) {
1367 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1368 token, "' for ", cmd->cmd->name,
1369 " directive", NULL);
1373 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1374 token, "' cannot be used with '+' or '-'",
1378 if (action == '+') {
1380 * Make sure it's in the 'add' list and absent from the
1383 cfg->etag_add |= bit;
1384 cfg->etag_remove &= (~ bit);
1386 else if (action == '-') {
1387 cfg->etag_remove |= bit;
1388 cfg->etag_add &= (~ bit);
1392 * Non-relative values wipe out any + or - values
1393 * accumulated so far.
1395 cfg->etag_bits |= bit;
1396 cfg->etag_add = ETAG_UNSET;
1397 cfg->etag_remove = ETAG_UNSET;
1403 * Any setting at all will clear the 'None' and 'Unset' bits.
1406 if (cfg->etag_add != ETAG_UNSET) {
1407 cfg->etag_add &= (~ ETAG_UNSET);
1410 if (cfg->etag_remove != ETAG_UNSET) {
1411 cfg->etag_remove &= (~ ETAG_UNSET);
1415 cfg->etag_bits &= (~ ETAG_UNSET);
1417 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1418 cfg->etag_bits &= (~ ETAG_NONE);
1425 static const char *satisfy(cmd_parms *cmd, void *c_, const char *arg)
1427 core_dir_config *c = c_;
1429 if (!strcasecmp(arg, "all")) {
1430 c->satisfy = SATISFY_ALL;
1432 else if (!strcasecmp(arg, "any")) {
1433 c->satisfy = SATISFY_ANY;
1436 return "Satisfy either 'any' or 'all'.";
1442 static const char *require(cmd_parms *cmd, void *c_, const char *arg)
1445 core_dir_config *c = c_;
1447 if (!c->ap_requires) {
1448 c->ap_requires = apr_array_make(cmd->pool, 2, sizeof(require_line));
1451 r = (require_line *)apr_array_push(c->ap_requires);
1452 r->requirement = apr_pstrdup(cmd->pool, arg);
1453 r->method_mask = cmd->limited;
1458 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
1462 const char *limited_methods = ap_getword(cmd->pool, &arg, '>');
1463 void *tog = cmd->cmd->cmd_data;
1464 apr_int64_t limited = 0;
1467 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1472 while (limited_methods[0]) {
1473 char *method = ap_getword_conf(cmd->pool, &limited_methods);
1476 /* check for builtin or module registered method number */
1477 methnum = ap_method_number_of(method);
1479 if (methnum == M_TRACE && !tog) {
1480 return "TRACE cannot be controlled by <Limit>";
1482 else if (methnum == M_INVALID) {
1483 /* method has not been registered yet, but resorce restriction
1484 * is always checked before method handling, so register it.
1486 methnum = ap_method_register(cmd->pool, method);
1489 limited |= (AP_METHOD_BIT << methnum);
1492 /* Killing two features with one function,
1493 * if (tog == NULL) <Limit>, else <LimitExcept>
1495 cmd->limited = tog ? ~limited : limited;
1497 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
1504 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
1505 * the same problem!!!
1506 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
1507 * people don't get bitten by wrong-cased regex matches
1511 #define USE_ICASE REG_ICASE
1517 * Report a missing-'>' syntax error.
1519 static char *unclosed_directive(cmd_parms *cmd)
1521 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1522 "> directive missing closing '>'", NULL);
1525 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
1528 const char *endp = ap_strrchr_c(arg, '>');
1529 int old_overrides = cmd->override;
1530 char *old_path = cmd->path;
1531 core_dir_config *conf;
1532 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
1534 const command_rec *thiscmd = cmd->cmd;
1536 const char *err = ap_check_cmd_context(cmd,
1537 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1543 return unclosed_directive(cmd);
1546 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1549 if (thiscmd->cmd_data)
1550 return "<DirectoryMatch > block must specify a path";
1552 return "<Directory > block must specify a path";
1555 cmd->path = ap_getword_conf(cmd->pool, &arg);
1556 cmd->override = OR_ALL|ACCESS_CONF;
1558 if (!strcmp(cmd->path, "~")) {
1559 cmd->path = ap_getword_conf(cmd->pool, &arg);
1561 return "<Directory ~ > block must specify a path";
1562 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1564 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
1565 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1567 else if (!strcmp(cmd->path, "/") == 0)
1572 * Ensure that the pathname is canonical, and append the trailing /
1574 if (apr_filepath_merge(&newpath, NULL, cmd->path,
1575 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS) {
1576 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
1577 "\"> path is invalid.", NULL);
1580 cmd->path = newpath;
1581 if (cmd->path[strlen(cmd->path) - 1] != '/')
1582 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
1585 /* initialize our config and fetch it */
1586 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
1587 &core_module, cmd->pool);
1589 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
1594 conf->d = cmd->path;
1595 conf->d_is_fnmatch = (apr_is_fnmatch(conf->d) != 0);
1597 /* Make this explicit - the "/" root has 0 elements, that is, we
1598 * will always merge it, and it will always sort and merge first.
1599 * All others are sorted and tested by the number of slashes.
1601 if (strcmp(conf->d, "/") == 0)
1602 conf->d_components = 0;
1604 conf->d_components = ap_count_dirs(conf->d);
1606 ap_add_per_dir_conf(cmd->server, new_dir_conf);
1609 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1610 "> arguments not (yet) supported.", NULL);
1613 cmd->path = old_path;
1614 cmd->override = old_overrides;
1619 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
1622 const char *endp = ap_strrchr_c(arg, '>');
1623 int old_overrides = cmd->override;
1624 char *old_path = cmd->path;
1625 core_dir_config *conf;
1627 const command_rec *thiscmd = cmd->cmd;
1628 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
1629 const char *err = ap_check_cmd_context(cmd,
1630 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1636 return unclosed_directive(cmd);
1639 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1641 cmd->path = ap_getword_conf(cmd->pool, &arg);
1642 cmd->override = OR_ALL|ACCESS_CONF;
1644 if (thiscmd->cmd_data) { /* <LocationMatch> */
1645 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
1647 else if (!strcmp(cmd->path, "~")) {
1648 cmd->path = ap_getword_conf(cmd->pool, &arg);
1649 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
1652 /* initialize our config and fetch it */
1653 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
1654 &core_module, cmd->pool);
1656 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
1660 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
1661 conf->d_is_fnmatch = apr_is_fnmatch(conf->d) != 0;
1664 ap_add_per_url_conf(cmd->server, new_url_conf);
1667 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1668 "> arguments not (yet) supported.", NULL);
1671 cmd->path = old_path;
1672 cmd->override = old_overrides;
1677 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
1680 const char *endp = ap_strrchr_c(arg, '>');
1681 int old_overrides = cmd->override;
1682 char *old_path = cmd->path;
1683 core_dir_config *conf;
1685 const command_rec *thiscmd = cmd->cmd;
1686 core_dir_config *c = mconfig;
1687 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
1688 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_LOCATION);
1695 return unclosed_directive(cmd);
1698 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1700 cmd->path = ap_getword_conf(cmd->pool, &arg);
1701 /* Only if not an .htaccess file */
1703 cmd->override = OR_ALL|ACCESS_CONF;
1706 if (thiscmd->cmd_data) { /* <FilesMatch> */
1707 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1709 else if (!strcmp(cmd->path, "~")) {
1710 cmd->path = ap_getword_conf(cmd->pool, &arg);
1711 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1715 /* Ensure that the pathname is canonical, but we
1716 * can't test the case/aliases without a fixed path */
1717 if (apr_filepath_merge(&newpath, "", cmd->path,
1718 0, cmd->pool) != APR_SUCCESS)
1719 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
1720 "\"> is invalid.", NULL);
1721 cmd->path = newpath;
1724 /* initialize our config and fetch it */
1725 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
1726 &core_module, cmd->pool);
1728 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
1732 conf->d = cmd->path;
1733 conf->d_is_fnmatch = apr_is_fnmatch(conf->d) != 0;
1736 ap_add_file_conf(c, new_file_conf);
1739 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1740 "> arguments not (yet) supported.", NULL);
1743 cmd->path = old_path;
1744 cmd->override = old_overrides;
1749 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
1751 const char *endp = ap_strrchr_c(arg, '>');
1752 int not = (arg[0] == '!');
1756 return unclosed_directive(cmd);
1759 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1765 found = ap_find_linked_module(arg);
1767 if ((!not && found) || (not && !found)) {
1768 ap_directive_t *parent = NULL;
1769 ap_directive_t *current = NULL;
1772 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
1773 ¤t, &parent, "<IfModule");
1774 *(ap_directive_t **)mconfig = current;
1778 *(ap_directive_t **)mconfig = NULL;
1779 return ap_soak_end_container(cmd, "<IfModule");
1783 AP_DECLARE(int) ap_exists_config_define(const char *name)
1788 defines = (char **)ap_server_config_defines->elts;
1789 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1790 if (strcmp(defines[i], name) == 0) {
1798 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
1804 endp = ap_strrchr_c(arg, '>');
1806 return unclosed_directive(cmd);
1809 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1811 if (arg[0] == '!') {
1816 defined = ap_exists_config_define(arg);
1817 if ((!not && defined) || (not && !defined)) {
1818 ap_directive_t *parent = NULL;
1819 ap_directive_t *current = NULL;
1822 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
1823 ¤t, &parent, "<IfDefine");
1824 *(ap_directive_t **)dummy = current;
1828 *(ap_directive_t **)dummy = NULL;
1829 return ap_soak_end_container(cmd, "<IfDefine");
1833 /* httpd.conf commands... beginning with the <VirtualHost> business */
1835 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
1838 server_rec *main_server = cmd->server, *s;
1840 const char *endp = ap_strrchr_c(arg, '>');
1841 apr_pool_t *p = cmd->pool;
1843 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
1849 return unclosed_directive(cmd);
1852 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1854 /* FIXME: There's another feature waiting to happen here -- since you
1855 can now put multiple addresses/names on a single <VirtualHost>
1856 you might want to use it to group common definitions and then
1857 define other "subhosts" with their individual differences. But
1858 personally I'd rather just do it with a macro preprocessor. -djg */
1859 if (main_server->is_virtual) {
1860 return "<VirtualHost> doesn't nest!";
1863 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
1868 s->next = main_server->next;
1869 main_server->next = s;
1871 s->defn_name = cmd->directive->filename;
1872 s->defn_line_number = cmd->directive->line_num;
1876 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
1877 s->lookup_defaults);
1879 cmd->server = main_server;
1884 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
1887 if (!cmd->server->names) {
1888 return "ServerAlias only used in <VirtualHost>";
1892 char **item, *name = ap_getword_conf(cmd->pool, &arg);
1894 if (ap_is_matchexp(name)) {
1895 item = (char **)apr_array_push(cmd->server->wild_names);
1898 item = (char **)apr_array_push(cmd->server->names);
1907 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
1910 /* This one's pretty generic... */
1912 int offset = (int)(long)cmd->info;
1913 char *struct_ptr = (char *)cmd->server;
1915 const char *err = ap_check_cmd_context(cmd,
1916 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1921 *(const char **)(struct_ptr + offset) = arg;
1925 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
1927 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1928 const char *portstr;
1935 portstr = ap_strchr_c(arg, ':');
1937 cmd->server->server_hostname = apr_pstrndup(cmd->pool, arg,
1940 port = atoi(portstr);
1941 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
1942 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
1943 "\" is outside the appropriate range "
1944 "(i.e., 1..65535).", NULL);
1948 cmd->server->server_hostname = apr_pstrdup(cmd->pool, arg);
1952 cmd->server->port = port;
1956 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
1959 core_dir_config *d = d_;
1960 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1966 if (strcasecmp(arg, "On") == 0) {
1967 d->server_signature = srv_sig_on;
1969 else if (strcasecmp(arg, "Off") == 0) {
1970 d->server_signature = srv_sig_off;
1972 else if (strcasecmp(arg, "EMail") == 0) {
1973 d->server_signature = srv_sig_withmail;
1976 return "ServerSignature: use one of: off | on | email";
1982 static const char *set_server_root(cmd_parms *cmd, void *dummy,
1985 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
1991 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
1992 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
1993 || !ap_is_directory(cmd->pool, ap_server_root)) {
1994 return "ServerRoot must be a valid directory";
2000 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2002 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2008 cmd->server->timeout = atoi(arg);
2012 static const char *set_idcheck(cmd_parms *cmd, void *d_, int arg)
2014 core_dir_config *d = d_;
2015 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2021 d->do_rfc1413 = arg != 0;
2025 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2028 core_dir_config *d = d_;
2029 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2035 if (!strcasecmp(arg, "on")) {
2036 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2038 else if (!strcasecmp(arg, "off")) {
2039 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2041 else if (!strcasecmp(arg, "double")) {
2042 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2045 return "parameter must be 'on', 'off', or 'double'";
2051 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2054 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2060 cmd->server->path = arg;
2061 cmd->server->pathlen = strlen(arg);
2065 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2067 core_dir_config *d = d_;
2068 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2074 d->content_md5 = arg != 0;
2078 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2080 core_dir_config *d = d_;
2082 if (strcasecmp(arg, "on") == 0) {
2083 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2085 else if (strcasecmp(arg, "off") == 0) {
2086 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2088 else if (strcasecmp(arg, "default") == 0) {
2089 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2092 return "AcceptPathInfo must be set to on, off or default";
2098 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2101 core_dir_config *d = d_;
2102 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2108 if (strcasecmp(arg, "on") == 0) {
2109 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2111 else if (strcasecmp(arg, "off") == 0) {
2112 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2114 else if (strcasecmp(arg, "dns") == 0) {
2115 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2118 return "parameter must be 'on', 'off', or 'dns'";
2125 static const char *include_config (cmd_parms *cmd, void *dummy,
2128 ap_directive_t *conftree = NULL;
2129 const char* conffile = ap_server_root_relative(cmd->pool, name);
2132 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2136 ap_process_resource_config(cmd->server, conffile,
2137 &conftree, cmd->pool, cmd->temp_pool);
2138 *(ap_directive_t **)dummy = conftree;
2142 static const char *set_loglevel(cmd_parms *cmd, void *dummy, const char *arg)
2146 const char *err = ap_check_cmd_context(cmd,
2147 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2152 if ((str = ap_getword_conf(cmd->pool, &arg))) {
2153 if (!strcasecmp(str, "emerg")) {
2154 cmd->server->loglevel = APLOG_EMERG;
2156 else if (!strcasecmp(str, "alert")) {
2157 cmd->server->loglevel = APLOG_ALERT;
2159 else if (!strcasecmp(str, "crit")) {
2160 cmd->server->loglevel = APLOG_CRIT;
2162 else if (!strcasecmp(str, "error")) {
2163 cmd->server->loglevel = APLOG_ERR;
2165 else if (!strcasecmp(str, "warn")) {
2166 cmd->server->loglevel = APLOG_WARNING;
2168 else if (!strcasecmp(str, "notice")) {
2169 cmd->server->loglevel = APLOG_NOTICE;
2171 else if (!strcasecmp(str, "info")) {
2172 cmd->server->loglevel = APLOG_INFO;
2174 else if (!strcasecmp(str, "debug")) {
2175 cmd->server->loglevel = APLOG_DEBUG;
2178 return "LogLevel requires level keyword: one of "
2179 "emerg/alert/crit/error/warn/notice/info/debug";
2183 return "LogLevel requires level keyword";
2189 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
2192 core_dir_config *conf;
2194 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
2196 if ((conf->server_signature == srv_sig_off)
2197 || (conf->server_signature == srv_sig_unset)) {
2201 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
2203 if (conf->server_signature == srv_sig_withmail) {
2204 return apr_pstrcat(r->pool, prefix, "<address>" AP_SERVER_BASEVERSION
2205 " Server at <a href=\"mailto:",
2206 r->server->server_admin, "\">",
2207 ap_get_server_name(r), "</a> Port ", sport,
2208 "</address>\n", NULL);
2211 return apr_pstrcat(r->pool, prefix, "<address>" AP_SERVER_BASEVERSION
2212 " Server at ", ap_get_server_name(r), " Port ", sport,
2213 "</address>\n", NULL);
2217 * Load an authorisation realm into our location configuration, applying the
2218 * usual rules that apply to realms.
2220 static const char *set_authname(cmd_parms *cmd, void *mconfig,
2223 core_dir_config *aconfig = (core_dir_config *)mconfig;
2225 aconfig->ap_auth_name = ap_escape_quotes(cmd->pool, word1);
2229 #ifdef _OSD_POSIX /* BS2000 Logon Passwd file */
2230 static const char *set_bs2000_account(cmd_parms *cmd, void *dummy, char *name)
2232 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2237 return os_set_account(cmd->pool, name);
2239 #endif /*_OSD_POSIX*/
2242 * Handle a request to include the server's OS platform in the Server
2243 * response header field (the ServerTokens directive). Unfortunately
2244 * this requires a new global in order to communicate the setting back to
2245 * http_main so it can insert the information in the right place in the
2249 static char *server_version = NULL;
2250 static int version_locked = 0;
2252 enum server_token_type {
2253 SrvTk_MIN, /* eg: Apache/1.3.0 */
2254 SrvTk_OS, /* eg: Apache/1.3.0 (UNIX) */
2255 SrvTk_FULL, /* eg: Apache/1.3.0 (UNIX) PHP/3.0 FooBar/1.2b */
2256 SrvTk_PRODUCT_ONLY /* eg: Apache */
2258 static enum server_token_type ap_server_tokens = SrvTk_FULL;
2260 static apr_status_t reset_version(void *dummy)
2263 ap_server_tokens = SrvTk_FULL;
2264 server_version = NULL;
2268 AP_DECLARE(const char *) ap_get_server_version(void)
2270 return (server_version ? server_version : AP_SERVER_BASEVERSION);
2273 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
2275 if (! version_locked) {
2277 * If the version string is null, register our cleanup to reset the
2278 * pointer on pool destruction. We also know that, if NULL,
2279 * we are adding the original SERVER_BASEVERSION string.
2281 if (server_version == NULL) {
2282 apr_pool_cleanup_register(pconf, NULL, reset_version,
2283 apr_pool_cleanup_null);
2284 server_version = apr_pstrdup(pconf, component);
2288 * Tack the given component identifier to the end of
2289 * the existing string.
2291 server_version = apr_pstrcat(pconf, server_version, " ",
2298 * This routine adds the real server base identity to the version string,
2299 * and then locks out changes until the next reconfig.
2301 static void ap_set_version(apr_pool_t *pconf)
2303 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
2304 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
2306 else if (ap_server_tokens == SrvTk_MIN) {
2307 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
2310 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
2314 * Lock the server_version string if we're not displaying
2315 * the full set of tokens
2317 if (ap_server_tokens != SrvTk_FULL) {
2322 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
2325 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2331 if (!strcasecmp(arg, "OS")) {
2332 ap_server_tokens = SrvTk_OS;
2334 else if (!strcasecmp(arg, "Min") || !strcasecmp(arg, "Minimal")) {
2335 ap_server_tokens = SrvTk_MIN;
2337 else if (!strcasecmp(arg, "Prod") || !strcasecmp(arg, "ProductOnly")) {
2338 ap_server_tokens = SrvTk_PRODUCT_ONLY;
2341 ap_server_tokens = SrvTk_FULL;
2347 static const char *set_limit_req_line(cmd_parms *cmd, void *dummy,
2350 const char *err = ap_check_cmd_context(cmd,
2351 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2360 return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
2361 "\" must be a non-negative integer", NULL);
2364 if (lim > DEFAULT_LIMIT_REQUEST_LINE) {
2365 return apr_psprintf(cmd->temp_pool, "LimitRequestLine \"%s\" "
2366 "must not exceed the precompiled maximum of %d",
2367 arg, DEFAULT_LIMIT_REQUEST_LINE);
2370 cmd->server->limit_req_line = lim;
2374 static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
2377 const char *err = ap_check_cmd_context(cmd,
2378 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2387 return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
2388 "\" must be a non-negative integer (0 = no limit)",
2392 if (lim > DEFAULT_LIMIT_REQUEST_FIELDSIZE) {
2393 return apr_psprintf(cmd->temp_pool, "LimitRequestFieldsize \"%s\" "
2394 "must not exceed the precompiled maximum of %d",
2395 arg, DEFAULT_LIMIT_REQUEST_FIELDSIZE);
2398 cmd->server->limit_req_fieldsize = lim;
2402 static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy,
2405 const char *err = ap_check_cmd_context(cmd,
2406 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2415 return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
2416 "\" must be a non-negative integer (0 = no limit)",
2420 cmd->server->limit_req_fields = lim;
2424 static const char *set_limit_req_body(cmd_parms *cmd, void *conf_,
2427 core_dir_config *conf = conf_;
2428 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2435 /* WTF: If strtoul is not portable, then write a replacement.
2436 * Instead we have an idiotic define in httpd.h that prevents
2437 * it from being used even when it is available. Sheesh.
2439 conf->limit_req_body = (apr_off_t)strtol(arg, &errp, 10);
2440 if (*errp != '\0') {
2441 return "LimitRequestBody requires a non-negative integer.";
2447 static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_,
2450 core_dir_config *conf = conf_;
2451 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2457 conf->limit_xml_body = atol(arg);
2458 if (conf->limit_xml_body < 0)
2459 return "LimitXMLRequestBody requires a non-negative integer.";
2464 AP_DECLARE(size_t) ap_get_limit_xml_body(const request_rec *r)
2466 core_dir_config *conf;
2468 conf = ap_get_module_config(r->per_dir_config, &core_module);
2469 if (conf->limit_xml_body == AP_LIMIT_UNSET)
2470 return AP_DEFAULT_LIMIT_XML_BODY;
2472 return (size_t)conf->limit_xml_body;
2475 #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
2476 static const char *no_set_limit(cmd_parms *cmd, void *conf_,
2477 const char *arg, const char *arg2)
2479 ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, cmd->server,
2480 "%s not supported on this platform", cmd->cmd->name);
2487 static const char *set_limit_cpu(cmd_parms *cmd, void *conf_,
2488 const char *arg, const char *arg2)
2490 core_dir_config *conf = conf_;
2492 unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
2497 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
2498 static const char *set_limit_mem(cmd_parms *cmd, void *conf_,
2499 const char *arg, const char * arg2)
2501 core_dir_config *conf = conf_;
2503 #if defined(RLIMIT_AS)
2504 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
2505 #elif defined(RLIMIT_DATA)
2506 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
2507 #elif defined(RLIMIT_VMEM)
2508 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
2516 static const char *set_limit_nproc(cmd_parms *cmd, void *conf_,
2517 const char *arg, const char * arg2)
2519 core_dir_config *conf = conf_;
2521 unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
2526 static const char *add_ct_output_filters(cmd_parms *cmd, void *conf_,
2527 const char *arg, const char *arg2)
2529 core_dir_config *conf = conf_;
2530 ap_filter_rec_t *old, *new;
2532 if (!conf->ct_output_filters) {
2533 conf->ct_output_filters = apr_hash_make(cmd->pool);
2537 old = (ap_filter_rec_t*) apr_hash_get(conf->ct_output_filters, arg2,
2538 APR_HASH_KEY_STRING);
2541 new = apr_pcalloc(cmd->pool, sizeof(ap_filter_rec_t));
2542 new->name = apr_pstrdup(cmd->pool, arg);
2544 /* We found something, so let's append it. */
2549 apr_hash_set(conf->ct_output_filters, arg2, APR_HASH_KEY_STRING, new);
2554 * Insert filters requested by the AddOutputFiltersByType
2555 * configuration directive. We cannot add filters based
2556 * on content-type until after the handler has started
2557 * to run. Only then do we reliabily know the content-type.
2559 void ap_add_output_filters_by_type(request_rec *r)
2561 core_dir_config *conf;
2562 const char *ctype, *ctypes;
2564 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
2567 /* We can't do anything with proxy requests, no content-types or if
2568 * we don't have a filter configured.
2570 if (r->proxyreq != PROXYREQ_NONE || !r->content_type ||
2571 !conf->ct_output_filters) {
2575 ctypes = r->content_type;
2577 /* We must be able to handle decorated content-types. */
2578 while (*ctypes && (ctype = ap_getword(r->pool, &ctypes, ';'))) {
2579 ap_filter_rec_t *ct_filter;
2580 ct_filter = apr_hash_get(conf->ct_output_filters, ctype,
2581 APR_HASH_KEY_STRING);
2583 ap_add_output_filter(ct_filter->name, NULL, r, r->connection);
2584 ct_filter = ct_filter->next;
2591 static apr_status_t writev_it_all(apr_socket_t *s,
2592 struct iovec *vec, int nvec,
2593 apr_size_t len, apr_size_t *nbytes)
2595 apr_size_t bytes_written = 0;
2602 /* XXX handle checking for non-blocking socket */
2603 while (bytes_written != len) {
2604 rv = apr_sendv(s, vec + i, nvec - i, &n);
2606 if (rv != APR_SUCCESS)
2611 /* If the write did not complete, adjust the iovecs and issue
2614 if (bytes_written < len) {
2615 /* Skip over the vectors that have already been written */
2616 apr_size_t cnt = vec[i].iov_len;
2617 while (n >= cnt && i + 1 < nvec) {
2619 cnt += vec[i].iov_len;
2623 /* Handle partial write of vec i */
2624 vec[i].iov_base = (char *) vec[i].iov_base +
2625 (vec[i].iov_len - (cnt - n));
2626 vec[i].iov_len = cnt -n;
2630 n = len - bytes_written;
2636 /* sendfile_it_all()
2637 * send the entire file using sendfile()
2638 * handle partial writes
2639 * return only when all bytes have been sent or an error is encountered.
2642 #if APR_HAS_SENDFILE
2643 static apr_status_t sendfile_it_all(core_net_rec *c,
2646 apr_off_t file_offset,
2647 apr_size_t file_bytes_left,
2648 apr_size_t total_bytes_left,
2653 apr_int32_t timeout = 0;
2656 AP_DEBUG_ASSERT((apr_getsocketopt(c->client_socket, APR_SO_TIMEOUT,
2657 &timeout) == APR_SUCCESS)
2658 && timeout > 0); /* socket must be in timeout mode */
2661 apr_size_t tmplen = file_bytes_left;
2663 rv = apr_sendfile(c->client_socket, fd, hdtr, &file_offset, &tmplen,
2665 total_bytes_left -= tmplen;
2666 if (!total_bytes_left || rv != APR_SUCCESS) {
2667 return rv; /* normal case & error exit */
2670 AP_DEBUG_ASSERT(total_bytes_left > 0 && tmplen > 0);
2672 /* partial write, oooh noooo...
2673 * Skip over any header data which was written
2675 while (tmplen && hdtr->numheaders) {
2676 if (tmplen >= hdtr->headers[0].iov_len) {
2677 tmplen -= hdtr->headers[0].iov_len;
2682 char *iov_base = (char *)hdtr->headers[0].iov_base;
2684 hdtr->headers[0].iov_len -= tmplen;
2686 hdtr->headers[0].iov_base = iov_base;
2691 /* Skip over any file data which was written */
2693 if (tmplen <= file_bytes_left) {
2694 file_offset += tmplen;
2695 file_bytes_left -= tmplen;
2699 tmplen -= file_bytes_left;
2700 file_bytes_left = 0;
2703 /* Skip over any trailer data which was written */
2705 while (tmplen && hdtr->numtrailers) {
2706 if (tmplen >= hdtr->trailers[0].iov_len) {
2707 tmplen -= hdtr->trailers[0].iov_len;
2708 --hdtr->numtrailers;
2712 char *iov_base = (char *)hdtr->trailers[0].iov_base;
2714 hdtr->trailers[0].iov_len -= tmplen;
2716 hdtr->trailers[0].iov_base = iov_base;
2725 * emulate_sendfile()
2726 * Sends the contents of file fd along with header/trailer bytes, if any,
2727 * to the network. emulate_sendfile will return only when all the bytes have been
2728 * sent (i.e., it handles partial writes) or on a network error condition.
2730 static apr_status_t emulate_sendfile(core_net_rec *c, apr_file_t *fd,
2731 apr_hdtr_t *hdtr, apr_off_t offset,
2732 apr_size_t length, apr_size_t *nbytes)
2734 apr_status_t rv = APR_SUCCESS;
2735 apr_int32_t togo; /* Remaining number of bytes in the file to send */
2736 apr_size_t sendlen = 0;
2737 apr_size_t bytes_sent;
2739 apr_off_t o; /* Track the file offset for partial writes */
2745 * writev_it_all handles partial writes.
2746 * XXX: optimization... if headers are less than MIN_WRITE_SIZE, copy
2749 if (hdtr && hdtr->numheaders > 0 ) {
2750 for (i = 0; i < hdtr->numheaders; i++) {
2751 sendlen += hdtr->headers[i].iov_len;
2754 rv = writev_it_all(c->client_socket, hdtr->headers, hdtr->numheaders,
2755 sendlen, &bytes_sent);
2756 if (rv == APR_SUCCESS)
2757 *nbytes += bytes_sent; /* track total bytes sent */
2760 /* Seek the file to 'offset' */
2761 if (offset != 0 && rv == APR_SUCCESS) {
2762 rv = apr_file_seek(fd, APR_SET, &offset);
2765 /* Send the file, making sure to handle partial writes */
2767 while (rv == APR_SUCCESS && togo) {
2768 sendlen = togo > sizeof(buffer) ? sizeof(buffer) : togo;
2770 rv = apr_file_read(fd, buffer, &sendlen);
2771 while (rv == APR_SUCCESS && sendlen) {
2772 bytes_sent = sendlen;
2773 rv = apr_send(c->client_socket, &buffer[o], &bytes_sent);
2774 if (rv == APR_SUCCESS) {
2775 sendlen -= bytes_sent; /* sendlen != bytes_sent ==> partial write */
2776 o += bytes_sent; /* o is where we are in the buffer */
2777 *nbytes += bytes_sent;
2778 togo -= bytes_sent; /* track how much of the file we've sent */
2783 /* Send the trailers
2784 * XXX: optimization... if it will fit, send this on the last send in the
2788 if ( rv == APR_SUCCESS && hdtr && hdtr->numtrailers > 0 ) {
2789 for (i = 0; i < hdtr->numtrailers; i++) {
2790 sendlen += hdtr->trailers[i].iov_len;
2792 rv = writev_it_all(c->client_socket, hdtr->trailers, hdtr->numtrailers,
2793 sendlen, &bytes_sent);
2794 if (rv == APR_SUCCESS)
2795 *nbytes += bytes_sent;
2801 /* Note --- ErrorDocument will now work from .htaccess files.
2802 * The AllowOverride of Fileinfo allows webmasters to turn it off
2805 static const command_rec core_cmds[] = {
2807 /* Old access config file commands */
2809 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
2810 "Container for directives affecting resources located in the specified "
2812 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
2813 "Container for directives affecting resources accessed through the "
2814 "specified URL paths"),
2815 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
2816 "Container to map directives to a particular virtual host, takes one or "
2817 "more host addresses"),
2818 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
2819 "Container for directives affecting files matching specified patterns"),
2820 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_ALL,
2821 "Container for authentication directives when accessed using specified HTTP "
2823 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1, OR_ALL,
2824 "Container for authentication directives to be applied when any HTTP "
2825 "method other than those specified is used to access the resource"),
2826 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
2827 "Container for directives based on existance of specified modules"),
2828 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
2829 "Container for directives based on existance of command line defines"),
2830 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
2831 "Container for directives affecting resources located in the "
2832 "specified directories"),
2833 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
2834 "Container for directives affecting resources accessed through the "
2835 "specified URL paths"),
2836 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
2837 "Container for directives affecting files matching specified patterns"),
2838 AP_INIT_TAKE1("AuthType", ap_set_string_slot,
2839 (void*)APR_XtOffsetOf(core_dir_config, ap_auth_type), OR_AUTHCFG,
2840 "An HTTP authorization type (e.g., \"Basic\")"),
2841 AP_INIT_TAKE1("AuthName", set_authname, NULL, OR_AUTHCFG,
2842 "The authentication realm (e.g. \"Members Only\")"),
2843 AP_INIT_RAW_ARGS("Require", require, NULL, OR_AUTHCFG,
2844 "Selects which authenticated users or groups may access a protected space"),
2845 AP_INIT_TAKE1("Satisfy", satisfy, NULL, OR_AUTHCFG,
2846 "access policy if both allow and require used ('all' or 'any')"),
2848 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
2849 "Directory to plop gmon.out files"),
2851 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
2852 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
2853 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
2854 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
2856 /* Old resource config file commands */
2858 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
2859 "Name(s) of per-directory config files (default: .htaccess)"),
2860 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
2861 "Root directory of the document tree"),
2862 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
2863 "Change responses for HTTP errors"),
2864 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
2865 "Controls what groups of directives can be configured by per-directory "
2867 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
2868 "Set a number of attributes for a given directory"),
2869 AP_INIT_TAKE1("DefaultType", ap_set_string_slot,
2870 (void*)APR_XtOffsetOf (core_dir_config, ap_default_type),
2871 OR_FILEINFO, "the default MIME type for untypable files"),
2872 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
2873 "Specify components used to construct a file's ETag"),
2875 /* Old server config file commands */
2877 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
2878 "Port was replaced with Listen in Apache 2.0"),
2879 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
2880 ACCESS_CONF|RSRC_CONF,
2881 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
2882 "enable double-reverse DNS lookups"),
2883 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
2884 (void *)APR_XtOffsetOf (server_rec, server_admin), RSRC_CONF,
2885 "The email address of the server administrator"),
2886 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
2887 "The hostname and port of the server"),
2888 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
2889 "En-/disable server signature (on|off|email)"),
2890 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF,
2891 "Common directory of server-related files (logs, confs, etc.)"),
2892 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
2893 (void *)APR_XtOffsetOf (server_rec, error_fname), RSRC_CONF,
2894 "The filename of the error log"),
2895 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
2896 "A name or names alternately used to access the server"),
2897 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
2898 "The pathname the server can be reached at"),
2899 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
2900 "Timeout duration (sec)"),
2901 AP_INIT_FLAG("IdentityCheck", set_idcheck, NULL, RSRC_CONF|ACCESS_CONF,
2902 "Enable identd (RFC 1413) user lookups - SLOW"),
2903 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
2904 "whether or not to send a Content-MD5 header with each request"),
2905 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
2906 RSRC_CONF|ACCESS_CONF,
2907 "How to work out the ServerName : Port when constructing URLs"),
2908 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
2909 /* TODO: ListenBacklog in MPM */
2910 AP_INIT_TAKE1("Include", include_config, NULL,
2911 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
2912 "Name of the config file to be included"),
2913 AP_INIT_TAKE1("LogLevel", set_loglevel, NULL, RSRC_CONF,
2914 "Level of verbosity in error logging"),
2915 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
2916 "A numeric IP address:port, or the name of a host"),
2918 AP_INIT_TAKE1("BS2000Account", set_bs2000_account, NULL, RSRC_CONF,
2919 "Name of server User's bs2000 logon account name"),
2921 AP_INIT_TAKE1("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
2922 "Determine tokens displayed in the Server: header - Min(imal), OS or Full"),
2923 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
2924 "Limit on maximum size of an HTTP request line"),
2925 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
2927 "Limit on maximum size of an HTTP request header field"),
2928 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
2929 "Limit (0 = unlimited) on max number of header fields in a request message"),
2930 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
2931 (void*)APR_XtOffsetOf(core_dir_config, limit_req_body), OR_ALL,
2932 "Limit (in bytes) on maximum size of request message body"),
2933 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
2934 "Limit (in bytes) on maximum size of an XML-based request "
2937 /* System Resource Controls */
2939 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
2940 (void*)APR_XtOffsetOf(core_dir_config, limit_cpu),
2941 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
2943 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
2944 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
2946 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
2947 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
2948 (void*)APR_XtOffsetOf(core_dir_config, limit_mem),
2949 OR_ALL, "Soft/hard limits for max memory usage per process"),
2951 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
2952 OR_ALL, "Soft/hard limits for max memory usage per process"),
2955 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
2956 (void*)APR_XtOffsetOf(core_dir_config, limit_nproc),
2957 OR_ALL, "soft/hard limits for max number of processes per uid"),
2959 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
2960 OR_ALL, "soft/hard limits for max number of processes per uid"),
2963 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
2964 (void *)APR_XtOffsetOf(core_dir_config, mime_type), OR_FILEINFO,
2965 "a mime type that overrides other configured type"),
2966 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
2967 (void *)APR_XtOffsetOf(core_dir_config, handler), OR_FILEINFO,
2968 "a handler name that overrides any other configured handler"),
2969 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
2970 (void *)APR_XtOffsetOf(core_dir_config, output_filters), OR_FILEINFO,
2971 "filter (or ; delimited list of filters) to be run on the request content"),
2972 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
2973 (void *)APR_XtOffsetOf(core_dir_config, input_filters), OR_FILEINFO,
2974 "filter (or ; delimited list of filters) to be run on the request body"),
2975 AP_INIT_ITERATE2("AddOutputFilterByType", add_ct_output_filters,
2976 (void *)APR_XtOffsetOf(core_dir_config, ct_output_filters), OR_FILEINFO,
2977 "output filter name followed by one or more content-types"),
2980 * These are default configuration directives that mpms can/should
2981 * pay attention to. If an mpm wishes to use these, they should
2982 * #defined them in mpm.h.
2984 #ifdef AP_MPM_WANT_SET_PIDFILE
2985 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF, \
2986 "A file for logging the server process ID"),
2988 #ifdef AP_MPM_WANT_SET_SCOREBOARD
2989 AP_INIT_TAKE1("ScoreBoardFile", ap_mpm_set_scoreboard, NULL, RSRC_CONF, \
2990 "A file for Apache to maintain runtime process management information"),
2992 #ifdef AP_MPM_WANT_SET_LOCKFILE
2993 AP_INIT_TAKE1("LockFile", ap_mpm_set_lockfile, NULL, RSRC_CONF, \
2994 "The lockfile used when Apache needs to lock the accept() call"),
2996 #ifdef AP_MPM_WANT_SET_MAX_REQUESTS
2997 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,\
2998 "Maximum number of requests a particular child serves before dying."),
3000 #ifdef AP_MPM_WANT_SET_COREDUMPDIR
3001 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF, \
3002 "The location of the directory Apache changes to before dumping core"),
3004 #ifdef AP_MPM_WANT_SET_ACCEPT_LOCK_MECH
3005 AP_INIT_TAKE1("AcceptMutex", ap_mpm_set_accept_lock_mech, NULL, RSRC_CONF, \
3006 ap_valid_accept_mutex_string),
3011 /*****************************************************************
3013 * Core handlers for various phases of server operation...
3016 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
3018 void *sconf = r->server->module_config;
3019 core_server_config *conf = ap_get_module_config(sconf, &core_module);
3021 /* XXX this seems too specific, this should probably become
3022 * some general-case test
3025 return HTTP_FORBIDDEN;
3027 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
3028 ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
3029 "Invalid URI in request %s", r->the_request);
3030 return HTTP_BAD_REQUEST;
3034 && !strncmp(r->uri, r->server->path, r->server->pathlen)
3035 && (r->server->path[r->server->pathlen - 1] == '/'
3036 || r->uri[r->server->pathlen] == '/'
3037 || r->uri[r->server->pathlen] == '\0')) {
3038 if (apr_filepath_merge(&r->filename, conf->ap_document_root,
3039 r->uri + r->server->pathlen,
3040 APR_FILEPATH_TRUENAME
3041 | APR_FILEPATH_SECUREROOT, r->pool)
3043 return HTTP_FORBIDDEN;
3045 r->canonical_filename = r->filename;
3049 * Make sure that we do not mess up the translation by adding two
3050 * /'s in a row. This happens under windows when the document
3051 * root ends with a /
3053 if (apr_filepath_merge(&r->filename, conf->ap_document_root,
3054 r->uri + ((*(r->uri) == '/') ? 1 : 0),
3055 APR_FILEPATH_TRUENAME
3056 | APR_FILEPATH_SECUREROOT, r->pool)
3058 return HTTP_FORBIDDEN;
3060 r->canonical_filename = r->filename;
3066 /*****************************************************************
3068 * Test the filesystem name through directory_walk and file_walk
3070 static int core_map_to_storage(request_rec *r)
3074 if ((access_status = ap_directory_walk(r))) {
3075 return access_status;
3078 if ((access_status = ap_file_walk(r))) {
3079 return access_status;
3086 static int do_nothing(request_rec *r) { return OK; }
3089 static int core_override_type(request_rec *r)
3091 core_dir_config *conf =
3092 (core_dir_config *)ap_get_module_config(r->per_dir_config,
3095 /* Check for overrides with ForceType / SetHandler
3097 if (conf->mime_type && strcmp(conf->mime_type, "none"))
3098 ap_set_content_type(r, (char*) conf->mime_type);
3100 if (conf->handler && strcmp(conf->handler, "none"))
3101 r->handler = conf->handler;
3103 /* Deal with the poor soul who is trying to force path_info to be
3104 * accepted within the core_handler, where they will let the subreq
3105 * address it's contents. This is toggled by the user in the very
3106 * beginning of the fixup phase, so modules should override the user's
3107 * discresion in their own module fixup phase. It is tristate, if
3108 * the user doesn't specify, the result is 2 (which the module may
3109 * interpret to it's own customary behavior.) It won't be tounched
3110 * if the value is no longer undefined (2), so any module changing
3111 * the value prior to the fixup phase OVERRIDES the user's choice.
3113 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
3114 && (conf->accept_path_info != 3)) {
3115 r->used_path_info = conf->accept_path_info;
3123 static int default_handler(request_rec *r)
3125 conn_rec *c = r->connection;
3126 apr_bucket_brigade *bb;
3130 apr_file_t *fd = NULL;
3131 apr_status_t status;
3132 /* XXX if/when somebody writes a content-md5 filter we either need to
3133 * remove this support or coordinate when to use the filter vs.
3134 * when to use this code
3135 * The current choice of when to compute the md5 here matches the 1.3
3136 * support fairly closely (unlike 1.3, we don't handle computing md5
3137 * when the charset is translated).
3139 int bld_content_md5;
3142 * The old way of doing handlers meant that this handler would
3143 * match literally anything - this way will require handler to
3144 * have a / in the middle, which probably captures the original
3145 * intent, but may cause problems at first - Ben 7th Jan 01
3146 * Don't try to serve a dir. Some OSs do weird things with
3149 if ((strcmp(r->handler, "default-handler")
3150 && !ap_strchr_c(r->handler, '/'))
3151 || r->finfo.filetype == APR_DIR)
3154 d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
3156 bld_content_md5 = (d->content_md5 & 1)
3157 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
3159 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
3161 /* If filters intend to consume the request body, they must
3162 * register an InputFilter to slurp the contents of the POST
3163 * data from the POST input stream. It no longer exists when
3164 * the output filters are invoked by the default handler.
3166 if ((errstatus = ap_discard_request_body(r)) != OK) {
3170 if (r->method_number == M_INVALID) {
3171 ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
3172 "Invalid method in request %s", r->the_request);
3173 return HTTP_NOT_IMPLEMENTED;
3176 if (r->method_number == M_OPTIONS) {
3177 return ap_send_http_options(r);
3180 if (r->method_number != M_GET && r->method_number != M_POST) {
3181 return HTTP_METHOD_NOT_ALLOWED;
3184 if (r->finfo.filetype == 0) {
3185 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, r,
3186 "File does not exist: %s", r->filename);
3187 return HTTP_NOT_FOUND;
3190 if (!(r->used_path_info & 1) && r->path_info && *r->path_info) {
3191 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, r,
3192 "File does not exist: %s",
3193 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
3194 return HTTP_NOT_FOUND;
3197 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY, 0,
3198 r->pool)) != APR_SUCCESS) {
3199 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
3200 "file permissions deny server access: %s", r->filename);
3201 return HTTP_FORBIDDEN;
3204 ap_update_mtime(r, r->finfo.mtime);
3205 ap_set_last_modified(r);
3207 apr_table_setn(r->headers_out, "Accept-Ranges", "bytes");
3208 ap_set_content_length(r, r->finfo.size);
3209 if ((errstatus = ap_meets_conditions(r)) != OK) {
3214 if (bld_content_md5) {
3215 apr_table_setn(r->headers_out, "Content-MD5",
3216 ap_md5digest(r->pool, fd));
3219 bb = apr_brigade_create(r->pool, c->bucket_alloc);
3220 #if APR_HAS_LARGE_FILES
3221 if (r->finfo.size > AP_MAX_SENDFILE) {
3222 /* APR_HAS_LARGE_FILES issue; must split into mutiple buckets,
3223 * no greater than MAX(apr_size_t), and more granular than that
3224 * in case the brigade code/filters attempt to read it directly.
3226 apr_off_t fsize = r->finfo.size;
3227 e = apr_bucket_file_create(fd, 0, AP_MAX_SENDFILE, r->pool,
3229 while (fsize > AP_MAX_SENDFILE) {
3231 apr_bucket_copy(e, &ce);
3232 APR_BRIGADE_INSERT_TAIL(bb, ce);
3233 e->start += AP_MAX_SENDFILE;
3234 fsize -= AP_MAX_SENDFILE;
3236 e->length = (apr_size_t)fsize; /* Resize just the last bucket */
3240 e = apr_bucket_file_create(fd, 0, (apr_size_t)r->finfo.size,
3241 r->pool, c->bucket_alloc);
3243 APR_BRIGADE_INSERT_TAIL(bb, e);
3244 e = apr_bucket_eos_create(c->bucket_alloc);
3245 APR_BRIGADE_INSERT_TAIL(bb, e);
3247 return ap_pass_brigade(r->output_filters, bb);
3250 static int net_time_filter(ap_filter_t *f, apr_bucket_brigade *b,
3251 ap_input_mode_t mode, apr_read_type_e block,
3252 apr_off_t readbytes)
3254 int keptalive = f->c->keepalive == 1;
3255 apr_socket_t *csd = ap_get_module_config(f->c->conn_config, &core_module);
3256 int *first_line = f->ctx;
3259 f->ctx = first_line = apr_palloc(f->r->pool, sizeof(*first_line));
3263 if (mode != AP_MODE_INIT && mode != AP_MODE_EATCRLF) {
3265 apr_setsocketopt(csd, APR_SO_TIMEOUT,
3267 ? f->c->base_server->keep_alive_timeout * APR_USEC_PER_SEC
3268 : f->c->base_server->timeout * APR_USEC_PER_SEC));
3273 apr_setsocketopt(csd, APR_SO_TIMEOUT,
3274 (int)(f->c->base_server->timeout * APR_USEC_PER_SEC));
3278 return ap_get_brigade(f->next, b, mode, block, readbytes);
3282 * Remove all zero length buckets from the brigade.
3284 #define BRIGADE_NORMALIZE(b) \
3286 apr_bucket *e = APR_BRIGADE_FIRST(b); \
3288 if (e->length == 0) { \
3290 d = APR_BUCKET_NEXT(e); \
3291 apr_bucket_delete(e); \
3294 e = APR_BUCKET_NEXT(e); \
3295 } while (!APR_BRIGADE_EMPTY(b) && (e != APR_BRIGADE_SENTINEL(b))); \
3298 static int core_input_filter(ap_filter_t *f, apr_bucket_brigade *b,
3299 ap_input_mode_t mode, apr_read_type_e block,
3300 apr_off_t readbytes)
3304 core_net_rec *net = f->ctx;
3305 core_ctx_t *ctx = net->in_ctx;
3309 if (mode == AP_MODE_INIT) {
3311 * this mode is for filters that might need to 'initialize'
3312 * a connection before reading request data from a client.
3313 * NNTP over SSL for example needs to handshake before the
3314 * server sends the welcome message.
3315 * such filters would have changed the mode before this point
3316 * is reached. however, protocol modules such as NNTP should
3317 * not need to know anything about SSL. given the example, if
3318 * SSL is not in the filter chain, AP_MODE_INIT is a noop.
3325 ctx = apr_pcalloc(f->c->pool, sizeof(*ctx));
3326 ctx->b = apr_brigade_create(f->c->pool, f->c->bucket_alloc);
3328 /* seed the brigade with the client socket. */
3329 e = apr_bucket_socket_create(net->client_socket, f->c->bucket_alloc);
3330 APR_BRIGADE_INSERT_TAIL(ctx->b, e);
3333 else if (APR_BRIGADE_EMPTY(ctx->b)) {
3337 /* ### This is bad. */
3338 BRIGADE_NORMALIZE(ctx->b);
3340 /* check for empty brigade again *AFTER* BRIGADE_NORMALIZE()
3341 * If we have lost our socket bucket (see above), we are EOF.
3343 * Ideally, this should be returning SUCCESS with EOS bucket, but
3344 * some higher-up APIs (spec. read_request_line via ap_rgetline)
3345 * want an error code. */
3346 if (APR_BRIGADE_EMPTY(ctx->b)) {
3350 /* ### AP_MODE_PEEK is a horrific name for this mode because we also
3351 * eat any CRLFs that we see. That's not the obvious intention of
3352 * this mode. Determine whether anyone actually uses this or not. */
3353 if (mode == AP_MODE_EATCRLF) {
3357 /* The purpose of this loop is to ignore any CRLF (or LF) at the end
3358 * of a request. Many browsers send extra lines at the end of POST
3359 * requests. We use the PEEK method to determine if there is more
3360 * data on the socket, so that we know if we should delay sending the
3361 * end of one request until we have served the second request in a
3362 * pipelined situation. We don't want to actually delay sending a
3363 * response if the server finds a CRLF (or LF), becuause that doesn't
3364 * mean that there is another request, just a blank line.
3367 if (APR_BRIGADE_EMPTY(ctx->b))
3370 e = APR_BRIGADE_FIRST(ctx->b);
3372 rv = apr_bucket_read(e, &str, &len, APR_NONBLOCK_READ);
3374 if (rv != APR_SUCCESS)
3378 while (c < str + len) {
3379 if (*c == APR_ASCII_LF)
3381 else if (*c == APR_ASCII_CR && *(c + 1) == APR_ASCII_LF)
3387 /* If we reach here, we were a bucket just full of CRLFs, so
3388 * just toss the bucket. */
3389 /* FIXME: Is this the right thing to do in the core? */
3390 apr_bucket_delete(e);
3394 /* If mode is EXHAUSTIVE, we want to just read everything until the end
3395 * of the brigade, which in this case means the end of the socket.
3396 * To do this, we attach the brigade that has currently been setaside to
3397 * the brigade that was passed down, and send that brigade back.
3399 * NOTE: This is VERY dangerous to use, and should only be done with
3400 * extreme caution. However, the Perchild MPM needs this feature
3401 * if it is ever going to work correctly again. With this, the Perchild
3402 * MPM can easily request the socket and all data that has been read,
3403 * which means that it can pass it to the correct child process.
3405 if (mode == AP_MODE_EXHAUSTIVE) {
3408 /* Tack on any buckets that were set aside. */
3409 APR_BRIGADE_CONCAT(b, ctx->b);
3411 /* Since we've just added all potential buckets (which will most
3412 * likely simply be the socket bucket) we know this is the end,
3413 * so tack on an EOS too. */
3414 /* We have read until the brigade was empty, so we know that we
3416 e = apr_bucket_eos_create(f->c->bucket_alloc);
3417 APR_BRIGADE_INSERT_TAIL(b, e);
3421 /* read up to the amount they specified. */
3422 if (mode == AP_MODE_READBYTES || mode == AP_MODE_SPECULATIVE) {
3425 apr_bucket_brigade *newbb;
3427 AP_DEBUG_ASSERT(readbytes > 0);
3429 e = APR_BRIGADE_FIRST(ctx->b);
3430 rv = apr_bucket_read(e, &str, &len, block);
3432 if (APR_STATUS_IS_EAGAIN(rv)) {
3435 else if (rv != APR_SUCCESS) {
3438 else if (block == APR_BLOCK_READ && len == 0) {
3439 /* We wanted to read some bytes in blocking mode. We read
3440 * 0 bytes. Hence, we now assume we are EOS.
3442 * When we are in normal mode, return an EOS bucket to the
3444 * When we are in speculative mode, leave ctx->b empty, so
3445 * that the next call returns an EOS bucket.
3447 apr_bucket_delete(e);
3449 if (mode == AP_MODE_READBYTES) {
3450 e = apr_bucket_eos_create(f->c->bucket_alloc);
3451 APR_BRIGADE_INSERT_TAIL(b, e);
3456 /* We can only return at most what we read. */
3457 if (len < readbytes) {
3461 apr_brigade_partition(ctx->b, readbytes, &e);
3463 /* Must do split before CONCAT */
3464 newbb = apr_brigade_split(ctx->b, e);
3466 if (mode == AP_MODE_READBYTES) {
3467 APR_BRIGADE_CONCAT(b, ctx->b);
3469 else if (mode == AP_MODE_SPECULATIVE) {
3470 apr_bucket *copy_bucket;
3471 APR_BRIGADE_FOREACH(e, ctx->b) {
3472 rv = apr_bucket_copy(e, ©_bucket);
3473 if (rv != APR_SUCCESS) {
3476 APR_BRIGADE_INSERT_TAIL(b, copy_bucket);
3480 /* Take what was originally there and place it back on ctx->b */
3481 APR_BRIGADE_CONCAT(ctx->b, newbb);
3483 /* XXX: Why is this here? We never use 'total'! */
3484 apr_brigade_length(b, 1, &total);
3489 /* we are reading a single LF line, e.g. the HTTP headers */
3490 rv = apr_brigade_split_line(b, ctx->b, block, HUGE_STRING_LEN);
3492 /* We should treat EAGAIN here the same as we do for EOF (brigade is
3493 * empty). We do this by returning whatever we have read. This may
3494 * or may not be bogus, but is consistent (for now) with EOF logic.
3496 if (APR_STATUS_IS_EAGAIN(rv)) {
3503 /* Default filter. This filter should almost always be used. Its only job
3504 * is to send the headers if they haven't already been sent, and then send
3507 #define MAX_IOVEC_TO_WRITE 16
3509 static apr_status_t core_output_filter(ap_filter_t *f, apr_bucket_brigade *b)
3513 core_net_rec *net = f->ctx;
3514 core_output_filter_ctx_t *ctx = net->out_ctx;
3517 ctx = apr_pcalloc(c->pool, sizeof(*ctx));
3521 /* If we have a saved brigade, concatenate the new brigade to it */
3523 APR_BRIGADE_CONCAT(ctx->b, b);
3528 /* Perform multiple passes over the brigade, sending batches of output
3529 to the connection. */
3531 apr_size_t nbytes = 0;
3532 apr_bucket *last_e = NULL; /* initialized for debugging */
3535 /* tail of brigade if we need another pass */
3536 apr_bucket_brigade *more = NULL;
3538 /* one group of iovecs per pass over the brigade */
3539 apr_size_t nvec = 0;
3540 apr_size_t nvec_trailers = 0;
3541 struct iovec vec[MAX_IOVEC_TO_WRITE];
3542 struct iovec vec_trailers[MAX_IOVEC_TO_WRITE];
3544 /* one file per pass over the brigade */
3545 apr_file_t *fd = NULL;
3546 apr_size_t flen = 0;
3547 apr_off_t foffset = 0;
3549 /* keep track of buckets that we've concatenated
3550 * to avoid small writes
3552 apr_bucket *last_merged_bucket = NULL;
3554 /* Iterate over the brigade: collect iovecs and/or a file */
3555 APR_BRIGADE_FOREACH(e, b) {
3556 /* keep track of the last bucket processed */
3558 if (APR_BUCKET_IS_EOS(e) || APR_BUCKET_IS_FLUSH(e)) {
3562 /* It doesn't make any sense to use sendfile for a file bucket
3563 * that represents 10 bytes.
3565 else if (APR_BUCKET_IS_FILE(e)
3566 && (e->length >= AP_MIN_SENDFILE_BYTES)) {
3567 apr_bucket_file *a = e->data;
3569 /* We can't handle more than one file bucket at a time
3570 * so we split here and send the file we have already
3574 more = apr_brigade_split(b, e);
3586 rv = apr_bucket_read(e, &str, &n, APR_BLOCK_READ);
3589 if (nvec == MAX_IOVEC_TO_WRITE) {
3590 /* woah! too many. buffer them up, for use later. */
3591 apr_bucket *temp, *next;
3592 apr_bucket_brigade *temp_brig;
3594 if (nbytes >= AP_MIN_BYTES_TO_WRITE) {
3595 /* We have enough data in the iovec
3596 * to justify doing a writev
3598 more = apr_brigade_split(b, e);
3602 /* Create a temporary brigade as a means
3603 * of concatenating a bunch of buckets together
3605 if (last_merged_bucket) {
3606 /* If we've concatenated together small
3607 * buckets already in a previous pass,
3608 * the initial buckets in this brigade
3609 * are heap buckets that may have extra
3610 * space left in them (because they
3611 * were created by apr_brigade_write()).
3612 * We can take advantage of this by
3613 * building the new temp brigade out of
3614 * these buckets, so that the content
3615 * in them doesn't have to be copied again.
3617 apr_bucket_brigade *bb;
3618 bb = apr_brigade_split(b,
3619 APR_BUCKET_NEXT(last_merged_bucket));
3624 temp_brig = apr_brigade_create(f->c->pool,
3625 f->c->bucket_alloc);
3628 temp = APR_BRIGADE_FIRST(b);
3631 rv = apr_bucket_read(temp, &str, &n, APR_BLOCK_READ);
3632 apr_brigade_write(temp_brig, NULL, NULL, str, n);
3634 temp = APR_BUCKET_NEXT(temp);
3635 apr_bucket_delete(d);
3640 temp = APR_BRIGADE_FIRST(temp_brig);
3641 APR_BUCKET_REMOVE(temp);
3642 APR_BRIGADE_INSERT_HEAD(b, temp);
3643 apr_bucket_read(temp, &str, &n, APR_BLOCK_READ);
3644 vec[nvec].iov_base = (char*) str;
3645 vec[nvec].iov_len = n;
3648 /* Just in case the temporary brigade has
3649 * multiple buckets, recover the rest of
3650 * them and put them in the brigade that
3653 for (next = APR_BRIGADE_FIRST(temp_brig);
3654 next != APR_BRIGADE_SENTINEL(temp_brig);
3655 next = APR_BRIGADE_FIRST(temp_brig)) {
3656 APR_BUCKET_REMOVE(next);
3657 APR_BUCKET_INSERT_AFTER(temp, next);
3659 apr_bucket_read(next, &str, &n,
3661 vec[nvec].iov_base = (char*) str;
3662 vec[nvec].iov_len = n;
3666 apr_brigade_destroy(temp_brig);
3668 last_merged_bucket = temp;
3673 vec[nvec].iov_base = (char*) str;
3674 vec[nvec].iov_len = n;
3679 /* The bucket is a trailer to a file bucket */
3681 if (nvec_trailers == MAX_IOVEC_TO_WRITE) {
3682 /* woah! too many. stop now. */
3683 more = apr_brigade_split(b, e);
3687 vec_trailers[nvec_trailers].iov_base = (char*) str;
3688 vec_trailers[nvec_trailers].iov_len = n;
3698 /* Completed iterating over the brigades, now determine if we want
3699 * to buffer the brigade or send the brigade out on the network.
3703 * 1) we didn't see a file, we don't have more passes over the
3704 * brigade to perform, we haven't accumulated enough bytes to
3705 * send, AND we didn't stop at a FLUSH bucket.
3706 * (IOW, we will save away plain old bytes)
3708 * 2) we hit the EOS and have a keep-alive connection
3709 * (IOW, this response is a bit more complex, but we save it
3710 * with the hope of concatenating with another response)
3713 && (nbytes + flen < AP_MIN_BYTES_TO_WRITE)
3714 && !APR_BUCKET_IS_FLUSH(last_e))
3715 || (nbytes + flen < AP_MIN_BYTES_TO_WRITE
3716 && APR_BUCKET_IS_EOS(last_e) && c->keepalive)) {
3718 /* NEVER save an EOS in here. If we are saving a brigade with
3719 * an EOS bucket, then we are doing keepalive connections, and
3720 * we want to process to second request fully.
3722 if (APR_BUCKET_IS_EOS(last_e)) {
3723 apr_bucket *bucket = NULL;
3724 /* If we are in here, then this request is a keepalive. We
3725 * need to be certain that any data in a bucket is valid
3726 * after the request_pool is cleared.
3728 if (ctx->b == NULL) {
3729 ctx->b = apr_brigade_create(net->c->pool,
3730 net->c->bucket_alloc);
3733 APR_BRIGADE_FOREACH(bucket, b) {
3737 rv = apr_bucket_read(bucket, &str, &n, APR_BLOCK_READ);
3739 /* This apr_brigade_write does not use a flush function
3740 because we assume that we will not write enough data
3741 into it to cause a flush. However, if we *do* write
3742 "too much", then we could end up with transient
3743 buckets which would suck. This works for now, but is
3744 a bit shaky if changes are made to some of the
3745 buffering sizes. Let's do an assert to prevent
3746 potential future problems... */
3747 AP_DEBUG_ASSERT(AP_MIN_BYTES_TO_WRITE <=
3748 APR_BUCKET_BUFF_SIZE);
3749 if (rv != APR_SUCCESS) {
3750 ap_log_error(APLOG_MARK, APLOG_ERR, rv, c->base_server,
3751 "core_output_filter: Error reading from bucket.");
3752 return HTTP_INTERNAL_SERVER_ERROR;
3755 apr_brigade_write(ctx->b, NULL, NULL, str, n);
3758 apr_brigade_destroy(b);
3761 ap_save_brigade(f, &ctx->b, &b, c->pool);
3769 #if APR_HAS_SENDFILE
3770 apr_int32_t flags = 0;
3773 memset(&hdtr, '\0', sizeof(hdtr));
3775 hdtr.numheaders = nvec;
3779 if (nvec_trailers) {
3780 hdtr.numtrailers = nvec_trailers;
3781 hdtr.trailers = vec_trailers;
3784 #if APR_HAS_SENDFILE
3785 if (!c->keepalive && APR_BUCKET_IS_EOS(last_e)) {
3786 /* Prepare the socket to be reused */
3787 flags |= APR_SENDFILE_DISCONNECT_SOCKET;
3790 rv = sendfile_it_all(net, /* the network information */
3791 fd, /* the file to send */
3792 &hdtr, /* header and trailer iovecs */
3793 foffset, /* offset in the file to begin
3795 flen, /* length of file */
3796 nbytes + flen, /* total length including
3798 flags); /* apr_sendfile flags */
3800 /* If apr_sendfile() returns APR_ENOTIMPL, call emulate_sendfile().
3801 * emulate_sendfile() is useful to enable the same Apache binary
3802 * distribution to support Windows NT/2000 (supports TransmitFile)
3803 * and Win95/98 (do not support TransmitFile)
3805 if (rv == APR_ENOTIMPL)
3808 apr_size_t unused_bytes_sent;
3809 rv = emulate_sendfile(net, fd, &hdtr, foffset, flen,
3810 &unused_bytes_sent);
3816 apr_size_t unused_bytes_sent;
3818 rv = writev_it_all(net->client_socket,
3820 nbytes, &unused_bytes_sent);
3823 apr_brigade_destroy(b);
3824 if (rv != APR_SUCCESS) {
3825 ap_log_error(APLOG_MARK, APLOG_INFO, rv, c->base_server,
3826 "core_output_filter: writing data to the network");
3829 apr_brigade_destroy(more);
3831 if (APR_STATUS_IS_ECONNABORTED(rv)
3832 || APR_STATUS_IS_ECONNRESET(rv)
3833 || APR_STATUS_IS_EPIPE(rv)) {
3837 /* The client has aborted, but the request was successful. We
3838 * will report success, and leave it to the access and error
3839 * logs to note that the connection was aborted.
3846 } /* end while () */
3851 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
3853 ap_set_version(pconf);
3857 static int core_open_logs(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
3859 ap_open_logs(s, plog);
3863 static void core_insert_filter(request_rec *r)
3865 core_dir_config *conf = (core_dir_config *)
3866 ap_get_module_config(r->per_dir_config,
3868 const char *filter, *filters = conf->output_filters;
3871 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
3872 ap_add_output_filter(filter, NULL, r, r->connection);
3876 filters = conf->input_filters;
3878 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
3879 ap_add_input_filter(filter, NULL, r, r->connection);
3884 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
3886 static apr_status_t reset_request_notes(void *dummy)
3888 num_request_notes = AP_NUM_STD_NOTES;
3892 AP_DECLARE(apr_size_t) ap_register_request_note(void)
3894 apr_pool_cleanup_register(apr_global_hook_pool, NULL, reset_request_notes,
3895 apr_pool_cleanup_null);
3896 return num_request_notes++;
3899 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
3901 core_request_config *req_cfg;
3903 if (note_num >= num_request_notes) {
3907 req_cfg = (core_request_config *)
3908 ap_get_module_config(r->request_config, &core_module);
3914 return &(req_cfg->notes[note_num]);
3917 static int core_create_req(request_rec *r)
3919 /* Alloc the config struct and the array of request notes in
3920 * a single block for efficiency
3922 core_request_config *req_cfg;
3924 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
3925 sizeof(void *) * num_request_notes);
3926 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
3928 core_request_config *main_req_cfg = (core_request_config *)
3929 ap_get_module_config(r->main->request_config, &core_module);
3930 req_cfg->bb = main_req_cfg->bb;
3933 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
3935 ap_add_input_filter_handle(ap_net_time_filter_handle,
3936 NULL, r, r->connection);
3940 ap_set_module_config(r->request_config, &core_module, req_cfg);
3942 /* Begin by presuming any module can make it's own path_info assumptions,
3943 * until some module interjects and changes the value.
3945 r->used_path_info = 2;
3950 static int core_create_proxy_req(request_rec *r, request_rec *pr)
3952 return core_create_req(pr);
3955 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
3956 apr_socket_t *csd, long id, void *sbh,
3957 apr_bucket_alloc_t *alloc)
3960 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
3963 (void) ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *) NULL);
3965 /* Got a connection structure, so initialize what fields we can
3966 * (the rest are zeroed out by pcalloc).
3968 c->conn_config = ap_create_conn_config(ptrans);
3969 c->notes = apr_table_make(ptrans, 5);
3972 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
3974 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server,
3975 "apr_socket_addr_get(APR_LOCAL)");
3976 apr_socket_close(csd);
3980 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
3981 if ((rv = apr_socket_addr_get(&c->remote_addr, APR_REMOTE, csd))
3983 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server,
3984 "apr_socket_addr_get(APR_REMOTE)");
3985 apr_socket_close(csd);
3989 apr_sockaddr_ip_get(&c->remote_ip, c->remote_addr);
3990 c->base_server = server;
3993 c->bucket_alloc = alloc;
3998 static int core_pre_connection(conn_rec *c, void *csd)
4000 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4002 #ifdef AP_MPM_DISABLE_NAGLE_ACCEPTED_SOCK
4003 /* BillS says perhaps this should be moved to the MPMs. Some OSes
4004 * allow listening socket attributes to be inherited by the
4005 * accept sockets which means this call only needs to be made
4006 * once on the listener
4008 ap_sock_disable_nagle(csd);
4012 net->out_ctx = NULL;
4013 net->client_socket = csd;
4015 ap_set_module_config(net->c->conn_config, &core_module, csd);
4016 ap_add_input_filter("CORE_IN", net, NULL, net->c);
4017 ap_add_output_filter("CORE", net, NULL, net->c);
4021 static void register_hooks(apr_pool_t *p)
4023 /* create_connection and install_transport_filters are
4024 * hooks that should always be APR_HOOK_REALLY_LAST to give other
4025 * modules the opportunity to install alternate network transports
4026 * and stop other functions from being run.
4028 ap_hook_create_connection(core_create_conn, NULL, NULL,
4029 APR_HOOK_REALLY_LAST);
4030 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4031 APR_HOOK_REALLY_LAST);
4033 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4034 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4035 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4036 ap_hook_open_logs(core_open_logs,NULL,NULL,APR_HOOK_MIDDLE);
4037 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4038 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4039 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4040 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4041 ap_hook_access_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4042 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4043 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4045 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4047 /* register the core's insert_filter hook and register core-provided
4050 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4052 ap_core_input_filter_handle =
4053 ap_register_input_filter("CORE_IN", core_input_filter,
4055 ap_net_time_filter_handle =
4056 ap_register_input_filter("NET_TIME", net_time_filter,
4058 ap_content_length_filter_handle =
4059 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4061 ap_core_output_filter_handle =
4062 ap_register_output_filter("CORE", core_output_filter,
4064 ap_subreq_core_filter_handle =
4065 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4066 AP_FTYPE_CONTENT_SET);
4067 ap_old_write_func = ap_register_output_filter("OLD_WRITE",
4068 ap_old_write_filter, AP_FTYPE_RESOURCE - 10);
4071 AP_DECLARE_DATA module core_module = {
4072 STANDARD20_MODULE_STUFF,
4073 create_core_dir_config, /* create per-directory config structure */
4074 merge_core_dir_configs, /* merge per-directory config structures */
4075 create_core_server_config, /* create per-server config structure */
4076 merge_core_server_configs, /* merge per-server config structures */
4077 core_cmds, /* command apr_table_t */
4078 register_hooks /* register hooks */