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_DECLARE_DATA ap_filter_rec_t *ap_subreq_core_filter_handle;
124 AP_DECLARE_DATA ap_filter_rec_t *ap_core_output_filter_handle;
125 AP_DECLARE_DATA ap_filter_rec_t *ap_content_length_filter_handle;
126 AP_DECLARE_DATA ap_filter_rec_t *ap_net_time_filter_handle;
127 AP_DECLARE_DATA 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;
183 conf->enable_mmap = ENABLE_MMAP_UNSET;
189 * Overlay one hash table of ct_output_filters onto another
191 static void *merge_ct_filters(apr_pool_t *p,
194 const void *overlay_val,
195 const void *base_val,
198 ap_filter_rec_t *cur;
199 const ap_filter_rec_t *overlay_info = (const ap_filter_rec_t *)overlay_val;
200 const ap_filter_rec_t *base_info = (const ap_filter_rec_t *)base_val;
204 while (overlay_info) {
205 ap_filter_rec_t *new;
207 new = apr_pcalloc(p, sizeof(ap_filter_rec_t));
208 new->name = apr_pstrdup(p, overlay_info->name);
211 overlay_info = overlay_info->next;
218 /* We can't have dups. */
221 if (!strcasecmp(base_info->name, f->name)) {
230 f = apr_pcalloc(p, sizeof(ap_filter_rec_t));
231 f->name = apr_pstrdup(p, base_info->name);
236 base_info = base_info->next;
242 static void *merge_core_dir_configs(apr_pool_t *a, void *basev, void *newv)
244 core_dir_config *base = (core_dir_config *)basev;
245 core_dir_config *new = (core_dir_config *)newv;
246 core_dir_config *conf;
249 /* Create this conf by duplicating the base, replacing elements
250 * (or creating copies for merging) where new-> values exist.
252 conf = (core_dir_config *)apr_palloc(a, sizeof(core_dir_config));
253 memcpy(conf, base, sizeof(core_dir_config));
256 conf->d_is_fnmatch = new->d_is_fnmatch;
257 conf->d_components = new->d_components;
260 if (new->opts & OPT_UNSET) {
261 /* there was no explicit setting of new->opts, so we merge
262 * preserve the invariant (opts_add & opts_remove) == 0
264 conf->opts_add = (conf->opts_add & ~new->opts_remove) | new->opts_add;
265 conf->opts_remove = (conf->opts_remove & ~new->opts_add)
267 conf->opts = (conf->opts & ~conf->opts_remove) | conf->opts_add;
268 if ((base->opts & OPT_INCNOEXEC) && (new->opts & OPT_INCLUDES)) {
269 conf->opts = (conf->opts & ~OPT_INCNOEXEC) | OPT_INCLUDES;
273 /* otherwise we just copy, because an explicit opts setting
274 * overrides all earlier +/- modifiers
276 conf->opts = new->opts;
277 conf->opts_add = new->opts_add;
278 conf->opts_remove = new->opts_remove;
281 if (!(new->override & OR_UNSET)) {
282 conf->override = new->override;
285 if (new->ap_default_type) {
286 conf->ap_default_type = new->ap_default_type;
289 if (new->ap_auth_type) {
290 conf->ap_auth_type = new->ap_auth_type;
293 if (new->ap_auth_name) {
294 conf->ap_auth_name = new->ap_auth_name;
297 if (new->ap_requires) {
298 conf->ap_requires = new->ap_requires;
301 if (conf->response_code_strings == NULL) {
302 conf->response_code_strings = new->response_code_strings;
304 else if (new->response_code_strings != NULL) {
305 /* If we merge, the merge-result must have it's own array
307 conf->response_code_strings = apr_palloc(a,
308 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
309 memcpy(conf->response_code_strings, base->response_code_strings,
310 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
312 for (i = 0; i < RESPONSE_CODES; ++i) {
313 if (new->response_code_strings[i] != NULL) {
314 conf->response_code_strings[i] = new->response_code_strings[i];
318 /* Otherwise we simply use the base->response_code_strings array
321 if (new->hostname_lookups != HOSTNAME_LOOKUP_UNSET) {
322 conf->hostname_lookups = new->hostname_lookups;
325 if ((new->do_rfc1413 & 2) == 0) {
326 conf->do_rfc1413 = new->do_rfc1413;
329 if ((new->content_md5 & 2) == 0) {
330 conf->content_md5 = new->content_md5;
333 if (new->accept_path_info != 3) {
334 conf->accept_path_info = new->accept_path_info;
337 if (new->use_canonical_name != USE_CANONICAL_NAME_UNSET) {
338 conf->use_canonical_name = new->use_canonical_name;
342 if (new->limit_cpu) {
343 conf->limit_cpu = new->limit_cpu;
347 #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
348 if (new->limit_mem) {
349 conf->limit_mem = new->limit_mem;
354 if (new->limit_nproc) {
355 conf->limit_nproc = new->limit_nproc;
359 if (new->limit_req_body) {
360 conf->limit_req_body = new->limit_req_body;
363 if (new->limit_xml_body != AP_LIMIT_UNSET)
364 conf->limit_xml_body = new->limit_xml_body;
366 conf->limit_xml_body = base->limit_xml_body;
368 if (!conf->sec_file) {
369 conf->sec_file = new->sec_file;
371 else if (new->sec_file) {
372 /* If we merge, the merge-result must have it's own array
374 conf->sec_file = apr_array_append(a, base->sec_file, new->sec_file);
376 /* Otherwise we simply use the base->sec_file array
379 if (new->satisfy != SATISFY_NOSPEC) {
380 conf->satisfy = new->satisfy;
383 if (new->server_signature != srv_sig_unset) {
384 conf->server_signature = new->server_signature;
387 if (new->add_default_charset != ADD_DEFAULT_CHARSET_UNSET) {
388 conf->add_default_charset = new->add_default_charset;
389 conf->add_default_charset_name = new->add_default_charset_name;
392 /* Overriding all negotiation
394 if (new->mime_type) {
395 conf->mime_type = new->mime_type;
399 conf->handler = new->handler;
402 if (new->output_filters) {
403 conf->output_filters = new->output_filters;
406 if (new->input_filters) {
407 conf->input_filters = new->input_filters;
410 if (conf->ct_output_filters && new->ct_output_filters) {
411 conf->ct_output_filters = apr_hash_merge(a,
412 new->ct_output_filters,
413 conf->ct_output_filters,
417 else if (new->ct_output_filters) {
418 conf->ct_output_filters = apr_hash_copy(a, new->ct_output_filters);
420 else if (conf->ct_output_filters) {
421 /* That memcpy above isn't enough. */
422 conf->ct_output_filters = apr_hash_copy(a, base->ct_output_filters);
426 * Now merge the setting of the FileETag directive.
428 if (new->etag_bits == ETAG_UNSET) {
430 (conf->etag_add & (~ new->etag_remove)) | new->etag_add;
432 (conf->opts_remove & (~ new->etag_add)) | new->etag_remove;
434 (conf->etag_bits & (~ conf->etag_remove)) | conf->etag_add;
437 conf->etag_bits = new->etag_bits;
438 conf->etag_add = new->etag_add;
439 conf->etag_remove = new->etag_remove;
442 if (conf->etag_bits != ETAG_NONE) {
443 conf->etag_bits &= (~ ETAG_NONE);
446 if (new->enable_mmap != ENABLE_MMAP_UNSET) {
447 conf->enable_mmap = new->enable_mmap;
453 static void *create_core_server_config(apr_pool_t *a, server_rec *s)
455 core_server_config *conf;
456 int is_virtual = s->is_virtual;
458 conf = (core_server_config *)apr_pcalloc(a, sizeof(core_server_config));
461 conf->gprof_dir = NULL;
464 conf->access_name = is_virtual ? NULL : DEFAULT_ACCESS_FNAME;
465 conf->ap_document_root = is_virtual ? NULL : DOCUMENT_LOCATION;
466 conf->sec_dir = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
467 conf->sec_url = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
472 static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv)
474 core_server_config *base = (core_server_config *)basev;
475 core_server_config *virt = (core_server_config *)virtv;
476 core_server_config *conf;
478 conf = (core_server_config *)apr_palloc(p, sizeof(core_server_config));
479 memcpy(conf, virt, sizeof(core_server_config));
481 if (!conf->access_name) {
482 conf->access_name = base->access_name;
485 if (!conf->ap_document_root) {
486 conf->ap_document_root = base->ap_document_root;
489 conf->sec_dir = apr_array_append(p, base->sec_dir, virt->sec_dir);
490 conf->sec_url = apr_array_append(p, base->sec_url, virt->sec_url);
495 /* Add per-directory configuration entry (for <directory> section);
496 * these are part of the core server config.
499 AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
501 core_server_config *sconf = ap_get_module_config(s->module_config,
503 void **new_space = (void **)apr_array_push(sconf->sec_dir);
505 *new_space = dir_config;
508 AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config)
510 core_server_config *sconf = ap_get_module_config(s->module_config,
512 void **new_space = (void **)apr_array_push(sconf->sec_url);
514 *new_space = url_config;
517 AP_CORE_DECLARE(void) ap_add_file_conf(core_dir_config *conf, void *url_config)
519 void **new_space = (void **)apr_array_push(conf->sec_file);
521 *new_space = url_config;
524 /* We need to do a stable sort, qsort isn't stable. So to make it stable
525 * we'll be maintaining the original index into the list, and using it
526 * as the minor key during sorting. The major key is the number of
527 * components (where the root component is zero).
529 struct reorder_sort_rec {
530 ap_conf_vector_t *elt;
534 static int reorder_sorter(const void *va, const void *vb)
536 const struct reorder_sort_rec *a = va;
537 const struct reorder_sort_rec *b = vb;
538 core_dir_config *core_a;
539 core_dir_config *core_b;
541 core_a = ap_get_module_config(a->elt, &core_module);
542 core_b = ap_get_module_config(b->elt, &core_module);
544 /* a regex always sorts after a non-regex
546 if (!core_a->r && core_b->r) {
549 else if (core_a->r && !core_b->r) {
553 /* we always sort next by the number of components
555 if (core_a->d_components < core_b->d_components) {
558 else if (core_a->d_components > core_b->d_components) {
562 /* They have the same number of components, we now have to compare
563 * the minor key to maintain the original order (from the config.)
565 return a->orig_index - b->orig_index;
568 void ap_core_reorder_directories(apr_pool_t *p, server_rec *s)
570 core_server_config *sconf;
571 apr_array_header_t *sec_dir;
572 struct reorder_sort_rec *sortbin;
574 ap_conf_vector_t **elts;
578 sconf = ap_get_module_config(s->module_config, &core_module);
579 sec_dir = sconf->sec_dir;
580 nelts = sec_dir->nelts;
581 elts = (ap_conf_vector_t **)sec_dir->elts;
584 /* simple case of already being sorted... */
585 /* We're not checking this condition to be fast... we're checking
586 * it to avoid trying to palloc zero bytes, which can trigger some
587 * memory debuggers to barf
592 /* we have to allocate tmp space to do a stable sort */
593 apr_pool_create(&tmp, p);
594 sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin));
595 for (i = 0; i < nelts; ++i) {
596 sortbin[i].orig_index = i;
597 sortbin[i].elt = elts[i];
600 qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
602 /* and now copy back to the original array */
603 for (i = 0; i < nelts; ++i) {
604 elts[i] = sortbin[i].elt;
607 apr_pool_destroy(tmp);
610 /*****************************************************************
612 * There are some elements of the core config structures in which
613 * other modules have a legitimate interest (this is ugly, but necessary
614 * to preserve NCSA back-compatibility). So, we have a bunch of accessors
618 AP_DECLARE(int) ap_allow_options(request_rec *r)
620 core_dir_config *conf =
621 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
626 AP_DECLARE(int) ap_allow_overrides(request_rec *r)
628 core_dir_config *conf;
629 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
632 return conf->override;
635 AP_DECLARE(const char *) ap_auth_type(request_rec *r)
637 core_dir_config *conf;
639 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
642 return conf->ap_auth_type;
645 AP_DECLARE(const char *) ap_auth_name(request_rec *r)
647 core_dir_config *conf;
649 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
652 return conf->ap_auth_name;
655 AP_DECLARE(const char *) ap_default_type(request_rec *r)
657 core_dir_config *conf;
659 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
662 return conf->ap_default_type
663 ? conf->ap_default_type
664 : DEFAULT_CONTENT_TYPE;
667 AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */
669 core_server_config *conf;
671 conf = (core_server_config *)ap_get_module_config(r->server->module_config,
674 return conf->ap_document_root;
677 AP_DECLARE(const apr_array_header_t *) ap_requires(request_rec *r)
679 core_dir_config *conf;
681 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
684 return conf->ap_requires;
687 AP_DECLARE(int) ap_satisfies(request_rec *r)
689 core_dir_config *conf;
691 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
694 return conf->satisfy;
697 /* Should probably just get rid of this... the only code that cares is
698 * part of the core anyway (and in fact, it isn't publicised to other
702 char *ap_response_code_string(request_rec *r, int error_index)
704 core_dir_config *conf;
706 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
709 if (conf->response_code_strings == NULL) {
713 return conf->response_code_strings[error_index];
717 /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
718 static APR_INLINE void do_double_reverse (conn_rec *conn)
723 if (conn->double_reverse) {
728 if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
729 /* single reverse failed, so don't bother */
730 conn->double_reverse = -1;
734 rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool);
735 if (rv == APR_SUCCESS) {
737 if (apr_sockaddr_equal(sa, conn->remote_addr)) {
738 conn->double_reverse = 1;
746 conn->double_reverse = -1;
749 AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
750 int type, int *str_is_ip)
752 int hostname_lookups;
754 if (str_is_ip) { /* if caller wants to know */
758 /* If we haven't checked the host name, and we want to */
761 ((core_dir_config *)ap_get_module_config(dir_config, &core_module))
764 if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
765 hostname_lookups = HOSTNAME_LOOKUP_OFF;
770 hostname_lookups = HOSTNAME_LOOKUP_OFF;
773 if (type != REMOTE_NOLOOKUP
774 && conn->remote_host == NULL
775 && (type == REMOTE_DOUBLE_REV
776 || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
778 if (apr_getnameinfo(&conn->remote_host, conn->remote_addr, 0)
780 ap_str_tolower(conn->remote_host);
782 if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
783 do_double_reverse(conn);
784 if (conn->double_reverse != 1) {
785 conn->remote_host = NULL;
790 /* if failed, set it to the NULL string to indicate error */
791 if (conn->remote_host == NULL) {
792 conn->remote_host = "";
796 if (type == REMOTE_DOUBLE_REV) {
797 do_double_reverse(conn);
798 if (conn->double_reverse == -1) {
804 * Return the desired information; either the remote DNS name, if found,
805 * or either NULL (if the hostname was requested) or the IP address
806 * (if any identifier was requested).
808 if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
809 return conn->remote_host;
812 if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
816 if (str_is_ip) { /* if caller wants to know */
820 return conn->remote_ip;
825 AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r)
827 core_dir_config *dir_conf;
829 if (r->connection->remote_logname != NULL) {
830 return r->connection->remote_logname;
833 /* If we haven't checked the identity, and we want to */
834 dir_conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
837 if (dir_conf->do_rfc1413 & 1) {
838 return ap_rfc1413(r->connection, r->server);
845 /* There are two options regarding what the "name" of a server is. The
846 * "canonical" name as defined by ServerName and Port, or the "client's
847 * name" as supplied by a possible Host: header or full URI. We never
848 * trust the port passed in the client's headers, we always use the
849 * port of the actual socket.
851 * The DNS option to UseCanonicalName causes this routine to do a
852 * reverse lookup on the local IP address of the connection and use
853 * that for the ServerName. This makes its value more reliable while
854 * at the same time allowing Demon's magic virtual hosting to work.
855 * The assumption is that DNS lookups are sufficiently quick...
858 AP_DECLARE(const char *) ap_get_server_name(request_rec *r)
860 conn_rec *conn = r->connection;
863 d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
866 if (d->use_canonical_name == USE_CANONICAL_NAME_OFF) {
867 return r->hostname ? r->hostname : r->server->server_hostname;
870 if (d->use_canonical_name == USE_CANONICAL_NAME_DNS) {
871 if (conn->local_host == NULL) {
872 if (apr_getnameinfo(&conn->local_host,
873 conn->local_addr, 0) != APR_SUCCESS)
874 conn->local_host = apr_pstrdup(conn->pool,
875 r->server->server_hostname);
877 ap_str_tolower(conn->local_host);
881 return conn->local_host;
885 return r->server->server_hostname;
888 AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r)
892 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
894 if (d->use_canonical_name == USE_CANONICAL_NAME_OFF
895 || d->use_canonical_name == USE_CANONICAL_NAME_DNS) {
897 /* With UseCanonicalName off Apache will form self-referential
898 * URLs using the hostname and port supplied by the client if
899 * any are supplied (otherwise it will use the canonical name).
901 port = r->parsed_uri.port ? r->parsed_uri.port :
902 r->server->port ? r->server->port :
905 else { /* d->use_canonical_name == USE_CANONICAL_NAME_ON */
907 /* With UseCanonicalName on (and in all versions prior to 1.3)
908 * Apache will use the hostname and port specified in the
909 * ServerName directive to construct a canonical name for the
910 * server. (If no port was specified in the ServerName
911 * directive, Apache uses the port supplied by the client if
912 * any is supplied, and finally the default port for the protocol
915 port = r->server->port ? r->server->port :
916 r->connection->local_addr->port ? r->connection->local_addr->port :
924 AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri,
927 unsigned port = ap_get_server_port(r);
928 const char *host = ap_get_server_name(r);
930 if (ap_is_default_port(port, r)) {
931 return apr_pstrcat(p, ap_http_method(r), "://", host, uri, NULL);
934 return apr_psprintf(p, "%s://%s:%u%s", ap_http_method(r), host, port, uri);
937 AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r)
940 (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
942 return d->limit_req_body;
946 /*****************************************************************
948 * Commands... this module handles almost all of the NCSA httpd.conf
949 * commands, but most of the old srm.conf is in the the modules.
953 /* returns a parent if it matches the given directive */
954 static const ap_directive_t * find_parent(const ap_directive_t *dirp,
957 while (dirp->parent != NULL) {
960 /* ### it would be nice to have atom-ized directives */
961 if (strcasecmp(dirp->directive, what) == 0)
968 AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd,
971 const char *gt = (cmd->cmd->name[0] == '<'
972 && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
974 const ap_directive_t *found;
976 if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
977 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
978 " cannot occur within <VirtualHost> section", NULL);
981 if ((forbidden & NOT_IN_LIMIT) && cmd->limited != -1) {
982 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
983 " cannot occur within <Limit> section", NULL);
986 if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE) {
987 if (cmd->path != NULL) {
988 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
989 " cannot occur within <Directory/Location/Files> "
992 if (cmd->cmd->req_override & EXEC_ON_READ) {
993 /* EXEC_ON_READ must be NOT_IN_DIR_LOC_FILE, if not, it will
994 * (deliberately) segfault below in the individual tests...
1000 if (((forbidden & NOT_IN_DIRECTORY)
1001 && ((found = find_parent(cmd->directive, "<Directory"))
1002 || (found = find_parent(cmd->directive, "<DirectoryMatch"))))
1003 || ((forbidden & NOT_IN_LOCATION)
1004 && ((found = find_parent(cmd->directive, "<Location"))
1005 || (found = find_parent(cmd->directive, "<LocationMatch"))))
1006 || ((forbidden & NOT_IN_FILES)
1007 && ((found = find_parent(cmd->directive, "<Files"))
1008 || (found = find_parent(cmd->directive, "<FilesMatch"))))) {
1009 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1010 " cannot occur within ", found->directive,
1017 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1020 void *sconf = cmd->server->module_config;
1021 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1023 const char *err = ap_check_cmd_context(cmd,
1024 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1029 conf->access_name = apr_pstrdup(cmd->pool, arg);
1034 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1036 void *sconf = cmd->server->module_config;
1037 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1039 const char *err = ap_check_cmd_context(cmd,
1040 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1045 conf->gprof_dir = apr_pstrdup(cmd->pool, arg);
1050 static const char *set_add_default_charset(cmd_parms *cmd,
1051 void *d_, const char *arg)
1053 core_dir_config *d = d_;
1055 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1060 if (!strcasecmp(arg, "Off")) {
1061 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1063 else if (!strcasecmp(arg, "On")) {
1064 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1065 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1068 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1069 d->add_default_charset_name = arg;
1075 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1078 void *sconf = cmd->server->module_config;
1079 core_server_config *conf = ap_get_module_config(sconf, &core_module);
1081 const char *err = ap_check_cmd_context(cmd,
1082 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1087 /* TODO: ap_configtestonly && ap_docrootcheck && */
1088 /* XXX Shouldn't this be relative to ServerRoot ??? */
1089 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1090 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1091 || !ap_is_directory(cmd->pool, arg)) {
1092 if (cmd->server->is_virtual) {
1093 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0,
1095 "Warning: DocumentRoot [%s] does not exist",
1097 conf->ap_document_root = arg;
1100 return "DocumentRoot must be a directory";
1106 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1109 core_dir_config *conf =
1110 ap_get_module_config(r->per_dir_config, &core_module);
1113 if(conf->response_code_strings == NULL) {
1114 conf->response_code_strings =
1115 apr_pcalloc(r->pool,
1116 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1119 idx = ap_index_of_response(status);
1121 conf->response_code_strings[idx] =
1122 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1123 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1126 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1127 const char *errno_str, const char *msg)
1129 core_dir_config *conf = conf_;
1130 int error_number, index_number, idx500;
1131 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1133 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1138 /* 1st parameter should be a 3 digit number, which we recognize;
1139 * convert it into an array index
1141 error_number = atoi(errno_str);
1142 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1144 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1145 index_number = idx500;
1147 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1148 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1152 /* Heuristic to determine second argument. */
1153 if (ap_strchr_c(msg,' '))
1155 else if (msg[0] == '/')
1157 else if (ap_is_url(msg))
1162 /* The entry should be ignored if it is a full URL for a 401 error */
1164 if (error_number == 401 && what == REMOTE_PATH) {
1165 ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server,
1166 "cannot use a full URL in a 401 ErrorDocument "
1167 "directive --- ignoring!");
1169 else { /* Store it... */
1170 if (conf->response_code_strings == NULL) {
1171 conf->response_code_strings =
1172 apr_pcalloc(cmd->pool,
1173 sizeof(*conf->response_code_strings) *
1177 /* hack. Prefix a " if it is a msg; as that is what
1178 * http_protocol.c relies on to distinguish between
1179 * a msg and a (local) path.
1181 conf->response_code_strings[index_number] = (what == MSG) ?
1182 apr_pstrcat(cmd->pool, "\"",msg,NULL) :
1183 apr_pstrdup(cmd->pool, msg);
1189 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1191 core_dir_config *d = d_;
1194 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1199 d->override = OR_NONE;
1201 w = ap_getword_conf(cmd->pool, &l);
1202 if (!strcasecmp(w, "Limit")) {
1203 d->override |= OR_LIMIT;
1205 else if (!strcasecmp(w, "Options")) {
1206 d->override |= OR_OPTIONS;
1208 else if (!strcasecmp(w, "FileInfo")) {
1209 d->override |= OR_FILEINFO;
1211 else if (!strcasecmp(w, "AuthConfig")) {
1212 d->override |= OR_AUTHCFG;
1214 else if (!strcasecmp(w, "Indexes")) {
1215 d->override |= OR_INDEXES;
1217 else if (!strcasecmp(w, "None")) {
1218 d->override = OR_NONE;
1220 else if (!strcasecmp(w, "All")) {
1221 d->override = OR_ALL;
1224 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1227 d->override &= ~OR_UNSET;
1233 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1235 core_dir_config *d = d_;
1236 allow_options_t opt;
1241 char *w = ap_getword_conf(cmd->pool, &l);
1244 if (*w == '+' || *w == '-') {
1252 if (!strcasecmp(w, "Indexes")) {
1255 else if (!strcasecmp(w, "Includes")) {
1258 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1259 opt = (OPT_INCLUDES | OPT_INCNOEXEC);
1261 else if (!strcasecmp(w, "FollowSymLinks")) {
1262 opt = OPT_SYM_LINKS;
1264 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1265 opt = OPT_SYM_OWNER;
1267 else if (!strcasecmp(w, "execCGI")) {
1270 else if (!strcasecmp(w, "MultiViews")) {
1273 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1274 opt = OPT_MULTI|OPT_EXECCGI;
1276 else if (!strcasecmp(w, "None")) {
1279 else if (!strcasecmp(w, "All")) {
1283 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1286 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1287 if (action == '-') {
1288 d->opts_remove |= opt;
1289 d->opts_add &= ~opt;
1292 else if (action == '+') {
1294 d->opts_remove &= ~opt;
1306 * Note what data should be used when forming file ETag values.
1307 * It would be nicer to do this as an ITERATE, but then we couldn't
1308 * remember the +/- state properly.
1310 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1313 core_dir_config *cfg;
1314 etag_components_t bit;
1322 cfg = (core_dir_config *)mconfig;
1327 while (args[0] != '\0') {
1331 token = ap_getword_conf(cmd->pool, &args);
1332 if ((*token == '+') || (*token == '-')) {
1338 * The occurrence of an absolute setting wipes
1339 * out any previous relative ones. The first such
1340 * occurrence forgets any inherited ones, too.
1343 cfg->etag_bits = ETAG_UNSET;
1344 cfg->etag_add = ETAG_UNSET;
1345 cfg->etag_remove = ETAG_UNSET;
1350 if (strcasecmp(token, "None") == 0) {
1351 if (action != '*') {
1355 cfg->etag_bits = bit = ETAG_NONE;
1359 else if (strcasecmp(token, "All") == 0) {
1360 if (action != '*') {
1365 cfg->etag_bits = bit = ETAG_ALL;
1368 else if (strcasecmp(token, "Size") == 0) {
1371 else if ((strcasecmp(token, "LMTime") == 0)
1372 || (strcasecmp(token, "MTime") == 0)
1373 || (strcasecmp(token, "LastModified") == 0)) {
1376 else if (strcasecmp(token, "INode") == 0) {
1380 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1381 token, "' for ", cmd->cmd->name,
1382 " directive", NULL);
1386 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1387 token, "' cannot be used with '+' or '-'",
1391 if (action == '+') {
1393 * Make sure it's in the 'add' list and absent from the
1396 cfg->etag_add |= bit;
1397 cfg->etag_remove &= (~ bit);
1399 else if (action == '-') {
1400 cfg->etag_remove |= bit;
1401 cfg->etag_add &= (~ bit);
1405 * Non-relative values wipe out any + or - values
1406 * accumulated so far.
1408 cfg->etag_bits |= bit;
1409 cfg->etag_add = ETAG_UNSET;
1410 cfg->etag_remove = ETAG_UNSET;
1416 * Any setting at all will clear the 'None' and 'Unset' bits.
1419 if (cfg->etag_add != ETAG_UNSET) {
1420 cfg->etag_add &= (~ ETAG_UNSET);
1423 if (cfg->etag_remove != ETAG_UNSET) {
1424 cfg->etag_remove &= (~ ETAG_UNSET);
1428 cfg->etag_bits &= (~ ETAG_UNSET);
1430 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1431 cfg->etag_bits &= (~ ETAG_NONE);
1438 static const char *set_enable_mmap(cmd_parms *cmd, void *d_,
1441 core_dir_config *d = d_;
1442 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1448 if (strcasecmp(arg, "on") == 0) {
1449 d->enable_mmap = ENABLE_MMAP_ON;
1451 else if (strcasecmp(arg, "off") == 0) {
1452 d->enable_mmap = ENABLE_MMAP_OFF;
1455 return "parameter must be 'on' or 'off'";
1461 static const char *satisfy(cmd_parms *cmd, void *c_, const char *arg)
1463 core_dir_config *c = c_;
1465 if (!strcasecmp(arg, "all")) {
1466 c->satisfy = SATISFY_ALL;
1468 else if (!strcasecmp(arg, "any")) {
1469 c->satisfy = SATISFY_ANY;
1472 return "Satisfy either 'any' or 'all'.";
1478 static const char *require(cmd_parms *cmd, void *c_, const char *arg)
1481 core_dir_config *c = c_;
1483 if (!c->ap_requires) {
1484 c->ap_requires = apr_array_make(cmd->pool, 2, sizeof(require_line));
1487 r = (require_line *)apr_array_push(c->ap_requires);
1488 r->requirement = apr_pstrdup(cmd->pool, arg);
1489 r->method_mask = cmd->limited;
1494 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
1498 const char *limited_methods = ap_getword(cmd->pool, &arg, '>');
1499 void *tog = cmd->cmd->cmd_data;
1500 apr_int64_t limited = 0;
1503 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
1508 while (limited_methods[0]) {
1509 char *method = ap_getword_conf(cmd->pool, &limited_methods);
1512 /* check for builtin or module registered method number */
1513 methnum = ap_method_number_of(method);
1515 if (methnum == M_TRACE && !tog) {
1516 return "TRACE cannot be controlled by <Limit>";
1518 else if (methnum == M_INVALID) {
1519 /* method has not been registered yet, but resorce restriction
1520 * is always checked before method handling, so register it.
1522 methnum = ap_method_register(cmd->pool, method);
1525 limited |= (AP_METHOD_BIT << methnum);
1528 /* Killing two features with one function,
1529 * if (tog == NULL) <Limit>, else <LimitExcept>
1531 cmd->limited = tog ? ~limited : limited;
1533 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
1540 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
1541 * the same problem!!!
1542 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
1543 * people don't get bitten by wrong-cased regex matches
1547 #define USE_ICASE REG_ICASE
1553 * Report a missing-'>' syntax error.
1555 static char *unclosed_directive(cmd_parms *cmd)
1557 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1558 "> directive missing closing '>'", NULL);
1561 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
1564 const char *endp = ap_strrchr_c(arg, '>');
1565 int old_overrides = cmd->override;
1566 char *old_path = cmd->path;
1567 core_dir_config *conf;
1568 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
1570 const command_rec *thiscmd = cmd->cmd;
1572 const char *err = ap_check_cmd_context(cmd,
1573 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1579 return unclosed_directive(cmd);
1582 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1585 if (thiscmd->cmd_data)
1586 return "<DirectoryMatch > block must specify a path";
1588 return "<Directory > block must specify a path";
1591 cmd->path = ap_getword_conf(cmd->pool, &arg);
1592 cmd->override = OR_ALL|ACCESS_CONF;
1594 if (!strcmp(cmd->path, "~")) {
1595 cmd->path = ap_getword_conf(cmd->pool, &arg);
1597 return "<Directory ~ > block must specify a path";
1598 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1600 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
1601 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1603 else if (!strcmp(cmd->path, "/") == 0)
1608 * Ensure that the pathname is canonical, and append the trailing /
1610 if (apr_filepath_merge(&newpath, NULL, cmd->path,
1611 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS) {
1612 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
1613 "\"> path is invalid.", NULL);
1616 cmd->path = newpath;
1617 if (cmd->path[strlen(cmd->path) - 1] != '/')
1618 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
1621 /* initialize our config and fetch it */
1622 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
1623 &core_module, cmd->pool);
1625 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
1630 conf->d = cmd->path;
1631 conf->d_is_fnmatch = (apr_is_fnmatch(conf->d) != 0);
1633 /* Make this explicit - the "/" root has 0 elements, that is, we
1634 * will always merge it, and it will always sort and merge first.
1635 * All others are sorted and tested by the number of slashes.
1637 if (strcmp(conf->d, "/") == 0)
1638 conf->d_components = 0;
1640 conf->d_components = ap_count_dirs(conf->d);
1642 ap_add_per_dir_conf(cmd->server, new_dir_conf);
1645 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1646 "> arguments not (yet) supported.", NULL);
1649 cmd->path = old_path;
1650 cmd->override = old_overrides;
1655 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
1658 const char *endp = ap_strrchr_c(arg, '>');
1659 int old_overrides = cmd->override;
1660 char *old_path = cmd->path;
1661 core_dir_config *conf;
1663 const command_rec *thiscmd = cmd->cmd;
1664 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
1665 const char *err = ap_check_cmd_context(cmd,
1666 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1672 return unclosed_directive(cmd);
1675 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1677 cmd->path = ap_getword_conf(cmd->pool, &arg);
1678 cmd->override = OR_ALL|ACCESS_CONF;
1680 if (thiscmd->cmd_data) { /* <LocationMatch> */
1681 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
1683 else if (!strcmp(cmd->path, "~")) {
1684 cmd->path = ap_getword_conf(cmd->pool, &arg);
1685 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
1688 /* initialize our config and fetch it */
1689 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
1690 &core_module, cmd->pool);
1692 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
1696 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
1697 conf->d_is_fnmatch = apr_is_fnmatch(conf->d) != 0;
1700 ap_add_per_url_conf(cmd->server, new_url_conf);
1703 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1704 "> arguments not (yet) supported.", NULL);
1707 cmd->path = old_path;
1708 cmd->override = old_overrides;
1713 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
1716 const char *endp = ap_strrchr_c(arg, '>');
1717 int old_overrides = cmd->override;
1718 char *old_path = cmd->path;
1719 core_dir_config *conf;
1721 const command_rec *thiscmd = cmd->cmd;
1722 core_dir_config *c = mconfig;
1723 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
1724 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_LOCATION);
1731 return unclosed_directive(cmd);
1734 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1736 cmd->path = ap_getword_conf(cmd->pool, &arg);
1737 /* Only if not an .htaccess file */
1739 cmd->override = OR_ALL|ACCESS_CONF;
1742 if (thiscmd->cmd_data) { /* <FilesMatch> */
1743 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1745 else if (!strcmp(cmd->path, "~")) {
1746 cmd->path = ap_getword_conf(cmd->pool, &arg);
1747 r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
1751 /* Ensure that the pathname is canonical, but we
1752 * can't test the case/aliases without a fixed path */
1753 if (apr_filepath_merge(&newpath, "", cmd->path,
1754 0, cmd->pool) != APR_SUCCESS)
1755 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
1756 "\"> is invalid.", NULL);
1757 cmd->path = newpath;
1760 /* initialize our config and fetch it */
1761 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
1762 &core_module, cmd->pool);
1764 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
1768 conf->d = cmd->path;
1769 conf->d_is_fnmatch = apr_is_fnmatch(conf->d) != 0;
1772 ap_add_file_conf(c, new_file_conf);
1775 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
1776 "> arguments not (yet) supported.", NULL);
1779 cmd->path = old_path;
1780 cmd->override = old_overrides;
1785 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
1787 const char *endp = ap_strrchr_c(arg, '>');
1788 int not = (arg[0] == '!');
1792 return unclosed_directive(cmd);
1795 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1801 found = ap_find_linked_module(arg);
1803 if ((!not && found) || (not && !found)) {
1804 ap_directive_t *parent = NULL;
1805 ap_directive_t *current = NULL;
1808 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
1809 ¤t, &parent, "<IfModule");
1810 *(ap_directive_t **)mconfig = current;
1814 *(ap_directive_t **)mconfig = NULL;
1815 return ap_soak_end_container(cmd, "<IfModule");
1819 AP_DECLARE(int) ap_exists_config_define(const char *name)
1824 defines = (char **)ap_server_config_defines->elts;
1825 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1826 if (strcmp(defines[i], name) == 0) {
1834 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
1840 endp = ap_strrchr_c(arg, '>');
1842 return unclosed_directive(cmd);
1845 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1847 if (arg[0] == '!') {
1852 defined = ap_exists_config_define(arg);
1853 if ((!not && defined) || (not && !defined)) {
1854 ap_directive_t *parent = NULL;
1855 ap_directive_t *current = NULL;
1858 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
1859 ¤t, &parent, "<IfDefine");
1860 *(ap_directive_t **)dummy = current;
1864 *(ap_directive_t **)dummy = NULL;
1865 return ap_soak_end_container(cmd, "<IfDefine");
1869 /* httpd.conf commands... beginning with the <VirtualHost> business */
1871 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
1874 server_rec *main_server = cmd->server, *s;
1876 const char *endp = ap_strrchr_c(arg, '>');
1877 apr_pool_t *p = cmd->pool;
1879 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
1885 return unclosed_directive(cmd);
1888 arg = apr_pstrndup(cmd->pool, arg, endp - arg);
1890 /* FIXME: There's another feature waiting to happen here -- since you
1891 can now put multiple addresses/names on a single <VirtualHost>
1892 you might want to use it to group common definitions and then
1893 define other "subhosts" with their individual differences. But
1894 personally I'd rather just do it with a macro preprocessor. -djg */
1895 if (main_server->is_virtual) {
1896 return "<VirtualHost> doesn't nest!";
1899 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
1904 s->next = main_server->next;
1905 main_server->next = s;
1907 s->defn_name = cmd->directive->filename;
1908 s->defn_line_number = cmd->directive->line_num;
1912 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
1913 s->lookup_defaults);
1915 cmd->server = main_server;
1920 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
1923 if (!cmd->server->names) {
1924 return "ServerAlias only used in <VirtualHost>";
1928 char **item, *name = ap_getword_conf(cmd->pool, &arg);
1930 if (ap_is_matchexp(name)) {
1931 item = (char **)apr_array_push(cmd->server->wild_names);
1934 item = (char **)apr_array_push(cmd->server->names);
1943 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
1946 /* This one's pretty generic... */
1948 int offset = (int)(long)cmd->info;
1949 char *struct_ptr = (char *)cmd->server;
1951 const char *err = ap_check_cmd_context(cmd,
1952 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1957 *(const char **)(struct_ptr + offset) = arg;
1961 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
1963 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
1964 const char *portstr;
1971 portstr = ap_strchr_c(arg, ':');
1973 cmd->server->server_hostname = apr_pstrndup(cmd->pool, arg,
1976 port = atoi(portstr);
1977 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
1978 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
1979 "\" is outside the appropriate range "
1980 "(i.e., 1..65535).", NULL);
1984 cmd->server->server_hostname = apr_pstrdup(cmd->pool, arg);
1988 cmd->server->port = port;
1992 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
1995 core_dir_config *d = d_;
1996 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2002 if (strcasecmp(arg, "On") == 0) {
2003 d->server_signature = srv_sig_on;
2005 else if (strcasecmp(arg, "Off") == 0) {
2006 d->server_signature = srv_sig_off;
2008 else if (strcasecmp(arg, "EMail") == 0) {
2009 d->server_signature = srv_sig_withmail;
2012 return "ServerSignature: use one of: off | on | email";
2018 static const char *set_server_root(cmd_parms *cmd, void *dummy,
2021 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2027 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
2028 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2029 || !ap_is_directory(cmd->pool, ap_server_root)) {
2030 return "ServerRoot must be a valid directory";
2036 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2038 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2044 cmd->server->timeout = apr_time_from_sec(atoi(arg));
2048 static const char *set_idcheck(cmd_parms *cmd, void *d_, int arg)
2050 core_dir_config *d = d_;
2051 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2057 d->do_rfc1413 = arg != 0;
2061 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2064 core_dir_config *d = d_;
2065 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2071 if (!strcasecmp(arg, "on")) {
2072 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2074 else if (!strcasecmp(arg, "off")) {
2075 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2077 else if (!strcasecmp(arg, "double")) {
2078 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2081 return "parameter must be 'on', 'off', or 'double'";
2087 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2090 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2096 cmd->server->path = arg;
2097 cmd->server->pathlen = strlen(arg);
2101 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2103 core_dir_config *d = d_;
2104 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2110 d->content_md5 = arg != 0;
2114 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2116 core_dir_config *d = d_;
2118 if (strcasecmp(arg, "on") == 0) {
2119 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2121 else if (strcasecmp(arg, "off") == 0) {
2122 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2124 else if (strcasecmp(arg, "default") == 0) {
2125 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2128 return "AcceptPathInfo must be set to on, off or default";
2134 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2137 core_dir_config *d = d_;
2138 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2144 if (strcasecmp(arg, "on") == 0) {
2145 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2147 else if (strcasecmp(arg, "off") == 0) {
2148 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2150 else if (strcasecmp(arg, "dns") == 0) {
2151 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2154 return "parameter must be 'on', 'off', or 'dns'";
2161 static const char *include_config (cmd_parms *cmd, void *dummy,
2164 ap_directive_t *conftree = NULL;
2165 const char* conffile = ap_server_root_relative(cmd->pool, name);
2168 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2172 ap_process_resource_config(cmd->server, conffile,
2173 &conftree, cmd->pool, cmd->temp_pool);
2174 *(ap_directive_t **)dummy = conftree;
2178 static const char *set_loglevel(cmd_parms *cmd, void *dummy, const char *arg)
2182 const char *err = ap_check_cmd_context(cmd,
2183 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2188 if ((str = ap_getword_conf(cmd->pool, &arg))) {
2189 if (!strcasecmp(str, "emerg")) {
2190 cmd->server->loglevel = APLOG_EMERG;
2192 else if (!strcasecmp(str, "alert")) {
2193 cmd->server->loglevel = APLOG_ALERT;
2195 else if (!strcasecmp(str, "crit")) {
2196 cmd->server->loglevel = APLOG_CRIT;
2198 else if (!strcasecmp(str, "error")) {
2199 cmd->server->loglevel = APLOG_ERR;
2201 else if (!strcasecmp(str, "warn")) {
2202 cmd->server->loglevel = APLOG_WARNING;
2204 else if (!strcasecmp(str, "notice")) {
2205 cmd->server->loglevel = APLOG_NOTICE;
2207 else if (!strcasecmp(str, "info")) {
2208 cmd->server->loglevel = APLOG_INFO;
2210 else if (!strcasecmp(str, "debug")) {
2211 cmd->server->loglevel = APLOG_DEBUG;
2214 return "LogLevel requires level keyword: one of "
2215 "emerg/alert/crit/error/warn/notice/info/debug";
2219 return "LogLevel requires level keyword";
2225 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
2228 core_dir_config *conf;
2230 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
2232 if ((conf->server_signature == srv_sig_off)
2233 || (conf->server_signature == srv_sig_unset)) {
2237 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
2239 if (conf->server_signature == srv_sig_withmail) {
2240 return apr_pstrcat(r->pool, prefix, "<address>" AP_SERVER_BASEVERSION
2241 " Server at <a href=\"mailto:",
2242 r->server->server_admin, "\">",
2243 ap_get_server_name(r), "</a> Port ", sport,
2244 "</address>\n", NULL);
2247 return apr_pstrcat(r->pool, prefix, "<address>" AP_SERVER_BASEVERSION
2248 " Server at ", ap_get_server_name(r), " Port ", sport,
2249 "</address>\n", NULL);
2253 * Load an authorisation realm into our location configuration, applying the
2254 * usual rules that apply to realms.
2256 static const char *set_authname(cmd_parms *cmd, void *mconfig,
2259 core_dir_config *aconfig = (core_dir_config *)mconfig;
2261 aconfig->ap_auth_name = ap_escape_quotes(cmd->pool, word1);
2265 #ifdef _OSD_POSIX /* BS2000 Logon Passwd file */
2266 static const char *set_bs2000_account(cmd_parms *cmd, void *dummy, char *name)
2268 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2273 return os_set_account(cmd->pool, name);
2275 #endif /*_OSD_POSIX*/
2278 * Handle a request to include the server's OS platform in the Server
2279 * response header field (the ServerTokens directive). Unfortunately
2280 * this requires a new global in order to communicate the setting back to
2281 * http_main so it can insert the information in the right place in the
2285 static char *server_version = NULL;
2286 static int version_locked = 0;
2288 enum server_token_type {
2289 SrvTk_MIN, /* eg: Apache/1.3.0 */
2290 SrvTk_OS, /* eg: Apache/1.3.0 (UNIX) */
2291 SrvTk_FULL, /* eg: Apache/1.3.0 (UNIX) PHP/3.0 FooBar/1.2b */
2292 SrvTk_PRODUCT_ONLY /* eg: Apache */
2294 static enum server_token_type ap_server_tokens = SrvTk_FULL;
2296 static apr_status_t reset_version(void *dummy)
2299 ap_server_tokens = SrvTk_FULL;
2300 server_version = NULL;
2304 AP_DECLARE(const char *) ap_get_server_version(void)
2306 return (server_version ? server_version : AP_SERVER_BASEVERSION);
2309 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
2311 if (! version_locked) {
2313 * If the version string is null, register our cleanup to reset the
2314 * pointer on pool destruction. We also know that, if NULL,
2315 * we are adding the original SERVER_BASEVERSION string.
2317 if (server_version == NULL) {
2318 apr_pool_cleanup_register(pconf, NULL, reset_version,
2319 apr_pool_cleanup_null);
2320 server_version = apr_pstrdup(pconf, component);
2324 * Tack the given component identifier to the end of
2325 * the existing string.
2327 server_version = apr_pstrcat(pconf, server_version, " ",
2334 * This routine adds the real server base identity to the version string,
2335 * and then locks out changes until the next reconfig.
2337 static void ap_set_version(apr_pool_t *pconf)
2339 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
2340 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
2342 else if (ap_server_tokens == SrvTk_MIN) {
2343 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
2346 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
2350 * Lock the server_version string if we're not displaying
2351 * the full set of tokens
2353 if (ap_server_tokens != SrvTk_FULL) {
2358 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
2361 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2367 if (!strcasecmp(arg, "OS")) {
2368 ap_server_tokens = SrvTk_OS;
2370 else if (!strcasecmp(arg, "Min") || !strcasecmp(arg, "Minimal")) {
2371 ap_server_tokens = SrvTk_MIN;
2373 else if (!strcasecmp(arg, "Prod") || !strcasecmp(arg, "ProductOnly")) {
2374 ap_server_tokens = SrvTk_PRODUCT_ONLY;
2377 ap_server_tokens = SrvTk_FULL;
2383 static const char *set_limit_req_line(cmd_parms *cmd, void *dummy,
2386 const char *err = ap_check_cmd_context(cmd,
2387 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2396 return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
2397 "\" must be a non-negative integer", NULL);
2400 if (lim > DEFAULT_LIMIT_REQUEST_LINE) {
2401 return apr_psprintf(cmd->temp_pool, "LimitRequestLine \"%s\" "
2402 "must not exceed the precompiled maximum of %d",
2403 arg, DEFAULT_LIMIT_REQUEST_LINE);
2406 cmd->server->limit_req_line = lim;
2410 static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
2413 const char *err = ap_check_cmd_context(cmd,
2414 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2423 return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
2424 "\" must be a non-negative integer (0 = no limit)",
2428 if (lim > DEFAULT_LIMIT_REQUEST_FIELDSIZE) {
2429 return apr_psprintf(cmd->temp_pool, "LimitRequestFieldsize \"%s\" "
2430 "must not exceed the precompiled maximum of %d",
2431 arg, DEFAULT_LIMIT_REQUEST_FIELDSIZE);
2434 cmd->server->limit_req_fieldsize = lim;
2438 static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy,
2441 const char *err = ap_check_cmd_context(cmd,
2442 NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
2451 return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
2452 "\" must be a non-negative integer (0 = no limit)",
2456 cmd->server->limit_req_fields = lim;
2460 static const char *set_limit_req_body(cmd_parms *cmd, void *conf_,
2463 core_dir_config *conf = conf_;
2464 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2471 /* WTF: If strtoul is not portable, then write a replacement.
2472 * Instead we have an idiotic define in httpd.h that prevents
2473 * it from being used even when it is available. Sheesh.
2475 conf->limit_req_body = (apr_off_t)strtol(arg, &errp, 10);
2476 if (*errp != '\0') {
2477 return "LimitRequestBody requires a non-negative integer.";
2483 static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_,
2486 core_dir_config *conf = conf_;
2487 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2493 conf->limit_xml_body = atol(arg);
2494 if (conf->limit_xml_body < 0)
2495 return "LimitXMLRequestBody requires a non-negative integer.";
2500 AP_DECLARE(size_t) ap_get_limit_xml_body(const request_rec *r)
2502 core_dir_config *conf;
2504 conf = ap_get_module_config(r->per_dir_config, &core_module);
2505 if (conf->limit_xml_body == AP_LIMIT_UNSET)
2506 return AP_DEFAULT_LIMIT_XML_BODY;
2508 return (size_t)conf->limit_xml_body;
2511 #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
2512 static const char *no_set_limit(cmd_parms *cmd, void *conf_,
2513 const char *arg, const char *arg2)
2515 ap_log_error(APLOG_MARK, APLOG_ERR, 0, cmd->server,
2516 "%s not supported on this platform", cmd->cmd->name);
2523 static const char *set_limit_cpu(cmd_parms *cmd, void *conf_,
2524 const char *arg, const char *arg2)
2526 core_dir_config *conf = conf_;
2528 unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
2533 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
2534 static const char *set_limit_mem(cmd_parms *cmd, void *conf_,
2535 const char *arg, const char * arg2)
2537 core_dir_config *conf = conf_;
2539 #if defined(RLIMIT_AS)
2540 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
2541 #elif defined(RLIMIT_DATA)
2542 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
2543 #elif defined(RLIMIT_VMEM)
2544 unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
2552 static const char *set_limit_nproc(cmd_parms *cmd, void *conf_,
2553 const char *arg, const char * arg2)
2555 core_dir_config *conf = conf_;
2557 unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
2562 static const char *add_ct_output_filters(cmd_parms *cmd, void *conf_,
2563 const char *arg, const char *arg2)
2565 core_dir_config *conf = conf_;
2566 ap_filter_rec_t *old, *new;
2568 if (!conf->ct_output_filters) {
2569 conf->ct_output_filters = apr_hash_make(cmd->pool);
2573 old = (ap_filter_rec_t*) apr_hash_get(conf->ct_output_filters, arg2,
2574 APR_HASH_KEY_STRING);
2577 new = apr_pcalloc(cmd->pool, sizeof(ap_filter_rec_t));
2578 new->name = apr_pstrdup(cmd->pool, arg);
2580 /* We found something, so let's append it. */
2585 apr_hash_set(conf->ct_output_filters, arg2, APR_HASH_KEY_STRING, new);
2590 * Insert filters requested by the AddOutputFiltersByType
2591 * configuration directive. We cannot add filters based
2592 * on content-type until after the handler has started
2593 * to run. Only then do we reliabily know the content-type.
2595 void ap_add_output_filters_by_type(request_rec *r)
2597 core_dir_config *conf;
2598 const char *ctype, *ctypes;
2600 conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
2603 /* We can't do anything with proxy requests, no content-types or if
2604 * we don't have a filter configured.
2606 if (r->proxyreq != PROXYREQ_NONE || !r->content_type ||
2607 !conf->ct_output_filters) {
2611 ctypes = r->content_type;
2613 /* We must be able to handle decorated content-types. */
2614 while (*ctypes && (ctype = ap_getword(r->pool, &ctypes, ';'))) {
2615 ap_filter_rec_t *ct_filter;
2616 ct_filter = apr_hash_get(conf->ct_output_filters, ctype,
2617 APR_HASH_KEY_STRING);
2619 ap_add_output_filter(ct_filter->name, NULL, r, r->connection);
2620 ct_filter = ct_filter->next;
2627 static apr_status_t writev_it_all(apr_socket_t *s,
2628 struct iovec *vec, int nvec,
2629 apr_size_t len, apr_size_t *nbytes)
2631 apr_size_t bytes_written = 0;
2638 /* XXX handle checking for non-blocking socket */
2639 while (bytes_written != len) {
2640 rv = apr_sendv(s, vec + i, nvec - i, &n);
2642 if (rv != APR_SUCCESS)
2647 /* If the write did not complete, adjust the iovecs and issue
2650 if (bytes_written < len) {
2651 /* Skip over the vectors that have already been written */
2652 apr_size_t cnt = vec[i].iov_len;
2653 while (n >= cnt && i + 1 < nvec) {
2655 cnt += vec[i].iov_len;
2659 /* Handle partial write of vec i */
2660 vec[i].iov_base = (char *) vec[i].iov_base +
2661 (vec[i].iov_len - (cnt - n));
2662 vec[i].iov_len = cnt -n;
2666 n = len - bytes_written;
2672 /* sendfile_it_all()
2673 * send the entire file using sendfile()
2674 * handle partial writes
2675 * return only when all bytes have been sent or an error is encountered.
2678 #if APR_HAS_SENDFILE
2679 static apr_status_t sendfile_it_all(core_net_rec *c,
2682 apr_off_t file_offset,
2683 apr_size_t file_bytes_left,
2684 apr_size_t total_bytes_left,
2689 apr_int32_t timeout = 0;
2692 AP_DEBUG_ASSERT((apr_getsocketopt(c->client_socket, APR_SO_TIMEOUT,
2693 &timeout) == APR_SUCCESS)
2694 && timeout > 0); /* socket must be in timeout mode */
2697 apr_size_t tmplen = file_bytes_left;
2699 rv = apr_sendfile(c->client_socket, fd, hdtr, &file_offset, &tmplen,
2701 total_bytes_left -= tmplen;
2702 if (!total_bytes_left || rv != APR_SUCCESS) {
2703 return rv; /* normal case & error exit */
2706 AP_DEBUG_ASSERT(total_bytes_left > 0 && tmplen > 0);
2708 /* partial write, oooh noooo...
2709 * Skip over any header data which was written
2711 while (tmplen && hdtr->numheaders) {
2712 if (tmplen >= hdtr->headers[0].iov_len) {
2713 tmplen -= hdtr->headers[0].iov_len;
2718 char *iov_base = (char *)hdtr->headers[0].iov_base;
2720 hdtr->headers[0].iov_len -= tmplen;
2722 hdtr->headers[0].iov_base = iov_base;
2727 /* Skip over any file data which was written */
2729 if (tmplen <= file_bytes_left) {
2730 file_offset += tmplen;
2731 file_bytes_left -= tmplen;
2735 tmplen -= file_bytes_left;
2736 file_bytes_left = 0;
2739 /* Skip over any trailer data which was written */
2741 while (tmplen && hdtr->numtrailers) {
2742 if (tmplen >= hdtr->trailers[0].iov_len) {
2743 tmplen -= hdtr->trailers[0].iov_len;
2744 --hdtr->numtrailers;
2748 char *iov_base = (char *)hdtr->trailers[0].iov_base;
2750 hdtr->trailers[0].iov_len -= tmplen;
2752 hdtr->trailers[0].iov_base = iov_base;
2761 * emulate_sendfile()
2762 * Sends the contents of file fd along with header/trailer bytes, if any,
2763 * to the network. emulate_sendfile will return only when all the bytes have been
2764 * sent (i.e., it handles partial writes) or on a network error condition.
2766 static apr_status_t emulate_sendfile(core_net_rec *c, apr_file_t *fd,
2767 apr_hdtr_t *hdtr, apr_off_t offset,
2768 apr_size_t length, apr_size_t *nbytes)
2770 apr_status_t rv = APR_SUCCESS;
2771 apr_int32_t togo; /* Remaining number of bytes in the file to send */
2772 apr_size_t sendlen = 0;
2773 apr_size_t bytes_sent;
2775 apr_off_t o; /* Track the file offset for partial writes */
2781 * writev_it_all handles partial writes.
2782 * XXX: optimization... if headers are less than MIN_WRITE_SIZE, copy
2785 if (hdtr && hdtr->numheaders > 0 ) {
2786 for (i = 0; i < hdtr->numheaders; i++) {
2787 sendlen += hdtr->headers[i].iov_len;
2790 rv = writev_it_all(c->client_socket, hdtr->headers, hdtr->numheaders,
2791 sendlen, &bytes_sent);
2792 if (rv == APR_SUCCESS)
2793 *nbytes += bytes_sent; /* track total bytes sent */
2796 /* Seek the file to 'offset' */
2797 if (offset != 0 && rv == APR_SUCCESS) {
2798 rv = apr_file_seek(fd, APR_SET, &offset);
2801 /* Send the file, making sure to handle partial writes */
2803 while (rv == APR_SUCCESS && togo) {
2804 sendlen = togo > sizeof(buffer) ? sizeof(buffer) : togo;
2806 rv = apr_file_read(fd, buffer, &sendlen);
2807 while (rv == APR_SUCCESS && sendlen) {
2808 bytes_sent = sendlen;
2809 rv = apr_send(c->client_socket, &buffer[o], &bytes_sent);
2810 if (rv == APR_SUCCESS) {
2811 sendlen -= bytes_sent; /* sendlen != bytes_sent ==> partial write */
2812 o += bytes_sent; /* o is where we are in the buffer */
2813 *nbytes += bytes_sent;
2814 togo -= bytes_sent; /* track how much of the file we've sent */
2819 /* Send the trailers
2820 * XXX: optimization... if it will fit, send this on the last send in the
2824 if ( rv == APR_SUCCESS && hdtr && hdtr->numtrailers > 0 ) {
2825 for (i = 0; i < hdtr->numtrailers; i++) {
2826 sendlen += hdtr->trailers[i].iov_len;
2828 rv = writev_it_all(c->client_socket, hdtr->trailers, hdtr->numtrailers,
2829 sendlen, &bytes_sent);
2830 if (rv == APR_SUCCESS)
2831 *nbytes += bytes_sent;
2837 /* Note --- ErrorDocument will now work from .htaccess files.
2838 * The AllowOverride of Fileinfo allows webmasters to turn it off
2841 static const command_rec core_cmds[] = {
2843 /* Old access config file commands */
2845 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
2846 "Container for directives affecting resources located in the specified "
2848 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
2849 "Container for directives affecting resources accessed through the "
2850 "specified URL paths"),
2851 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
2852 "Container to map directives to a particular virtual host, takes one or "
2853 "more host addresses"),
2854 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
2855 "Container for directives affecting files matching specified patterns"),
2856 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_ALL,
2857 "Container for authentication directives when accessed using specified HTTP "
2859 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1, OR_ALL,
2860 "Container for authentication directives to be applied when any HTTP "
2861 "method other than those specified is used to access the resource"),
2862 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
2863 "Container for directives based on existance of specified modules"),
2864 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
2865 "Container for directives based on existance of command line defines"),
2866 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
2867 "Container for directives affecting resources located in the "
2868 "specified directories"),
2869 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
2870 "Container for directives affecting resources accessed through the "
2871 "specified URL paths"),
2872 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
2873 "Container for directives affecting files matching specified patterns"),
2874 AP_INIT_TAKE1("AuthType", ap_set_string_slot,
2875 (void*)APR_OFFSETOF(core_dir_config, ap_auth_type), OR_AUTHCFG,
2876 "An HTTP authorization type (e.g., \"Basic\")"),
2877 AP_INIT_TAKE1("AuthName", set_authname, NULL, OR_AUTHCFG,
2878 "The authentication realm (e.g. \"Members Only\")"),
2879 AP_INIT_RAW_ARGS("Require", require, NULL, OR_AUTHCFG,
2880 "Selects which authenticated users or groups may access a protected space"),
2881 AP_INIT_TAKE1("Satisfy", satisfy, NULL, OR_AUTHCFG,
2882 "access policy if both allow and require used ('all' or 'any')"),
2884 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
2885 "Directory to plop gmon.out files"),
2887 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
2888 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
2889 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
2890 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
2892 /* Old resource config file commands */
2894 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
2895 "Name(s) of per-directory config files (default: .htaccess)"),
2896 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
2897 "Root directory of the document tree"),
2898 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
2899 "Change responses for HTTP errors"),
2900 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
2901 "Controls what groups of directives can be configured by per-directory "
2903 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
2904 "Set a number of attributes for a given directory"),
2905 AP_INIT_TAKE1("DefaultType", ap_set_string_slot,
2906 (void*)APR_OFFSETOF(core_dir_config, ap_default_type),
2907 OR_FILEINFO, "the default MIME type for untypable files"),
2908 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
2909 "Specify components used to construct a file's ETag"),
2910 AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO,
2911 "Controls whether memory-mapping may be used to read files"),
2913 /* Old server config file commands */
2915 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
2916 "Port was replaced with Listen in Apache 2.0"),
2917 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
2918 ACCESS_CONF|RSRC_CONF,
2919 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
2920 "enable double-reverse DNS lookups"),
2921 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
2922 (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF,
2923 "The email address of the server administrator"),
2924 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
2925 "The hostname and port of the server"),
2926 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
2927 "En-/disable server signature (on|off|email)"),
2928 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
2929 "Common directory of server-related files (logs, confs, etc.)"),
2930 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
2931 (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
2932 "The filename of the error log"),
2933 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
2934 "A name or names alternately used to access the server"),
2935 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
2936 "The pathname the server can be reached at"),
2937 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
2938 "Timeout duration (sec)"),
2939 AP_INIT_FLAG("IdentityCheck", set_idcheck, NULL, RSRC_CONF|ACCESS_CONF,
2940 "Enable identd (RFC 1413) user lookups - SLOW"),
2941 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
2942 "whether or not to send a Content-MD5 header with each request"),
2943 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
2944 RSRC_CONF|ACCESS_CONF,
2945 "How to work out the ServerName : Port when constructing URLs"),
2946 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
2947 /* TODO: ListenBacklog in MPM */
2948 AP_INIT_TAKE1("Include", include_config, NULL,
2949 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
2950 "Name of the config file to be included"),
2951 AP_INIT_TAKE1("LogLevel", set_loglevel, NULL, RSRC_CONF,
2952 "Level of verbosity in error logging"),
2953 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
2954 "A numeric IP address:port, or the name of a host"),
2956 AP_INIT_TAKE1("BS2000Account", set_bs2000_account, NULL, RSRC_CONF,
2957 "Name of server User's bs2000 logon account name"),
2959 AP_INIT_TAKE1("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
2960 "Determine tokens displayed in the Server: header - Min(imal), OS or Full"),
2961 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
2962 "Limit on maximum size of an HTTP request line"),
2963 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
2965 "Limit on maximum size of an HTTP request header field"),
2966 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
2967 "Limit (0 = unlimited) on max number of header fields in a request message"),
2968 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
2969 (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL,
2970 "Limit (in bytes) on maximum size of request message body"),
2971 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
2972 "Limit (in bytes) on maximum size of an XML-based request "
2975 /* System Resource Controls */
2977 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
2978 (void*)APR_OFFSETOF(core_dir_config, limit_cpu),
2979 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
2981 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
2982 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
2984 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
2985 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
2986 (void*)APR_OFFSETOF(core_dir_config, limit_mem),
2987 OR_ALL, "Soft/hard limits for max memory usage per process"),
2989 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
2990 OR_ALL, "Soft/hard limits for max memory usage per process"),
2993 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
2994 (void*)APR_OFFSETOF(core_dir_config, limit_nproc),
2995 OR_ALL, "soft/hard limits for max number of processes per uid"),
2997 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
2998 OR_ALL, "soft/hard limits for max number of processes per uid"),
3001 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
3002 (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
3003 "a mime type that overrides other configured type"),
3004 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
3005 (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO,
3006 "a handler name that overrides any other configured handler"),
3007 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
3008 (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO,
3009 "filter (or ; delimited list of filters) to be run on the request content"),
3010 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
3011 (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO,
3012 "filter (or ; delimited list of filters) to be run on the request body"),
3013 AP_INIT_ITERATE2("AddOutputFilterByType", add_ct_output_filters,
3014 (void *)APR_OFFSETOF(core_dir_config, ct_output_filters), OR_FILEINFO,
3015 "output filter name followed by one or more content-types"),
3018 * These are default configuration directives that mpms can/should
3019 * pay attention to. If an mpm wishes to use these, they should
3020 * #defined them in mpm.h.
3022 #ifdef AP_MPM_WANT_SET_PIDFILE
3023 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF, \
3024 "A file for logging the server process ID"),
3026 #ifdef AP_MPM_WANT_SET_SCOREBOARD
3027 AP_INIT_TAKE1("ScoreBoardFile", ap_mpm_set_scoreboard, NULL, RSRC_CONF, \
3028 "A file for Apache to maintain runtime process management information"),
3030 #ifdef AP_MPM_WANT_SET_LOCKFILE
3031 AP_INIT_TAKE1("LockFile", ap_mpm_set_lockfile, NULL, RSRC_CONF, \
3032 "The lockfile used when Apache needs to lock the accept() call"),
3034 #ifdef AP_MPM_WANT_SET_MAX_REQUESTS
3035 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,\
3036 "Maximum number of requests a particular child serves before dying."),
3038 #ifdef AP_MPM_WANT_SET_COREDUMPDIR
3039 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF, \
3040 "The location of the directory Apache changes to before dumping core"),
3042 #ifdef AP_MPM_WANT_SET_ACCEPT_LOCK_MECH
3043 AP_INIT_TAKE1("AcceptMutex", ap_mpm_set_accept_lock_mech, NULL, RSRC_CONF, \
3044 ap_valid_accept_mutex_string),
3049 /*****************************************************************
3051 * Core handlers for various phases of server operation...
3054 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
3056 void *sconf = r->server->module_config;
3057 core_server_config *conf = ap_get_module_config(sconf, &core_module);
3059 /* XXX this seems too specific, this should probably become
3060 * some general-case test
3063 return HTTP_FORBIDDEN;
3065 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
3066 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
3067 "Invalid URI in request %s", r->the_request);
3068 return HTTP_BAD_REQUEST;
3072 && !strncmp(r->uri, r->server->path, r->server->pathlen)
3073 && (r->server->path[r->server->pathlen - 1] == '/'
3074 || r->uri[r->server->pathlen] == '/'
3075 || r->uri[r->server->pathlen] == '\0')) {
3076 if (apr_filepath_merge(&r->filename, conf->ap_document_root,
3077 r->uri + r->server->pathlen,
3078 APR_FILEPATH_TRUENAME
3079 | APR_FILEPATH_SECUREROOT, r->pool)
3081 return HTTP_FORBIDDEN;
3083 r->canonical_filename = r->filename;
3087 * Make sure that we do not mess up the translation by adding two
3088 * /'s in a row. This happens under windows when the document
3089 * root ends with a /
3091 if (apr_filepath_merge(&r->filename, conf->ap_document_root,
3092 r->uri + ((*(r->uri) == '/') ? 1 : 0),
3093 APR_FILEPATH_TRUENAME
3094 | APR_FILEPATH_SECUREROOT, r->pool)
3096 return HTTP_FORBIDDEN;
3098 r->canonical_filename = r->filename;
3104 /*****************************************************************
3106 * Test the filesystem name through directory_walk and file_walk
3108 static int core_map_to_storage(request_rec *r)
3112 if ((access_status = ap_directory_walk(r))) {
3113 return access_status;
3116 if ((access_status = ap_file_walk(r))) {
3117 return access_status;
3124 static int do_nothing(request_rec *r) { return OK; }
3127 static int core_override_type(request_rec *r)
3129 core_dir_config *conf =
3130 (core_dir_config *)ap_get_module_config(r->per_dir_config,
3133 /* Check for overrides with ForceType / SetHandler
3135 if (conf->mime_type && strcmp(conf->mime_type, "none"))
3136 ap_set_content_type(r, (char*) conf->mime_type);
3138 if (conf->handler && strcmp(conf->handler, "none"))
3139 r->handler = conf->handler;
3141 /* Deal with the poor soul who is trying to force path_info to be
3142 * accepted within the core_handler, where they will let the subreq
3143 * address its contents. This is toggled by the user in the very
3144 * beginning of the fixup phase, so modules should override the user's
3145 * discretion in their own module fixup phase. It is tristate, if
3146 * the user doesn't specify, the result is 2 (which the module may
3147 * interpret to its own customary behavior.) It won't be touched
3148 * if the value is no longer undefined (2), so any module changing
3149 * the value prior to the fixup phase OVERRIDES the user's choice.
3151 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
3152 && (conf->accept_path_info != 3)) {
3153 r->used_path_info = conf->accept_path_info;
3161 static int default_handler(request_rec *r)
3163 conn_rec *c = r->connection;
3164 apr_bucket_brigade *bb;
3168 apr_file_t *fd = NULL;
3169 apr_status_t status;
3170 /* XXX if/when somebody writes a content-md5 filter we either need to
3171 * remove this support or coordinate when to use the filter vs.
3172 * when to use this code
3173 * The current choice of when to compute the md5 here matches the 1.3
3174 * support fairly closely (unlike 1.3, we don't handle computing md5
3175 * when the charset is translated).
3177 int bld_content_md5;
3179 d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
3181 bld_content_md5 = (d->content_md5 & 1)
3182 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
3184 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
3186 /* If filters intend to consume the request body, they must
3187 * register an InputFilter to slurp the contents of the POST
3188 * data from the POST input stream. It no longer exists when
3189 * the output filters are invoked by the default handler.
3191 if ((errstatus = ap_discard_request_body(r)) != OK) {
3195 if (r->method_number == M_GET || r->method_number == M_POST) {
3196 if (r->finfo.filetype == 0) {
3197 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
3198 "File does not exist: %s", r->filename);
3199 return HTTP_NOT_FOUND;
3202 /* Don't try to serve a dir. Some OSs do weird things with
3205 if (r->finfo.filetype == APR_DIR) {
3206 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
3207 "Attempt to serve directory: %s", r->filename);
3208 return HTTP_NOT_FOUND;
3211 if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) &&
3212 r->path_info && *r->path_info)
3214 /* default to reject */
3215 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
3216 "File does not exist: %s",
3217 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
3218 return HTTP_NOT_FOUND;
3221 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY, 0,
3222 r->pool)) != APR_SUCCESS) {
3223 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
3224 "file permissions deny server access: %s", r->filename);
3225 return HTTP_FORBIDDEN;
3228 ap_update_mtime(r, r->finfo.mtime);
3229 ap_set_last_modified(r);
3231 apr_table_setn(r->headers_out, "Accept-Ranges", "bytes");
3232 ap_set_content_length(r, r->finfo.size);
3233 if ((errstatus = ap_meets_conditions(r)) != OK) {
3238 if (bld_content_md5) {
3239 apr_table_setn(r->headers_out, "Content-MD5",
3240 ap_md5digest(r->pool, fd));
3243 bb = apr_brigade_create(r->pool, c->bucket_alloc);
3244 #if APR_HAS_LARGE_FILES
3245 if (r->finfo.size > AP_MAX_SENDFILE) {
3246 /* APR_HAS_LARGE_FILES issue; must split into mutiple buckets,
3247 * no greater than MAX(apr_size_t), and more granular than that
3248 * in case the brigade code/filters attempt to read it directly.
3250 apr_off_t fsize = r->finfo.size;
3251 e = apr_bucket_file_create(fd, 0, AP_MAX_SENDFILE, r->pool,
3253 while (fsize > AP_MAX_SENDFILE) {
3255 apr_bucket_copy(e, &ce);
3256 APR_BRIGADE_INSERT_TAIL(bb, ce);
3257 e->start += AP_MAX_SENDFILE;
3258 fsize -= AP_MAX_SENDFILE;
3260 e->length = (apr_size_t)fsize; /* Resize just the last bucket */
3264 e = apr_bucket_file_create(fd, 0, (apr_size_t)r->finfo.size,
3265 r->pool, c->bucket_alloc);
3268 if (d->enable_mmap == ENABLE_MMAP_OFF) {
3269 (void)apr_bucket_file_enable_mmap(e, 0);
3272 APR_BRIGADE_INSERT_TAIL(bb, e);
3273 e = apr_bucket_eos_create(c->bucket_alloc);
3274 APR_BRIGADE_INSERT_TAIL(bb, e);
3276 return ap_pass_brigade(r->output_filters, bb);
3278 else { /* unusual method (not GET or POST) */
3279 if (r->method_number == M_INVALID) {
3280 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
3281 "Invalid method in request %s", r->the_request);
3282 return HTTP_NOT_IMPLEMENTED;
3285 if (r->method_number == M_OPTIONS) {
3286 return ap_send_http_options(r);
3288 return HTTP_METHOD_NOT_ALLOWED;
3292 static int net_time_filter(ap_filter_t *f, apr_bucket_brigade *b,
3293 ap_input_mode_t mode, apr_read_type_e block,
3294 apr_off_t readbytes)
3296 int keptalive = f->c->keepalive == AP_CONN_KEEPALIVE;
3297 apr_socket_t *csd = ap_get_module_config(f->c->conn_config, &core_module);
3298 int *first_line = f->ctx;
3301 f->ctx = first_line = apr_palloc(f->r->pool, sizeof(*first_line));
3305 if (mode != AP_MODE_INIT && mode != AP_MODE_EATCRLF) {
3307 apr_setsocketopt(csd, APR_SO_TIMEOUT,
3309 ? f->c->base_server->keep_alive_timeout
3310 : f->c->base_server->timeout));
3315 apr_setsocketopt(csd, APR_SO_TIMEOUT,
3316 (int)(f->c->base_server->timeout));
3320 return ap_get_brigade(f->next, b, mode, block, readbytes);
3324 * Remove all zero length buckets from the brigade.
3326 #define BRIGADE_NORMALIZE(b) \
3328 apr_bucket *e = APR_BRIGADE_FIRST(b); \
3330 if (e->length == 0 && !APR_BUCKET_IS_METADATA(e)) { \
3332 d = APR_BUCKET_NEXT(e); \
3333 apr_bucket_delete(e); \
3336 e = APR_BUCKET_NEXT(e); \
3337 } while (!APR_BRIGADE_EMPTY(b) && (e != APR_BRIGADE_SENTINEL(b))); \
3340 static int core_input_filter(ap_filter_t *f, apr_bucket_brigade *b,
3341 ap_input_mode_t mode, apr_read_type_e block,
3342 apr_off_t readbytes)
3346 core_net_rec *net = f->ctx;
3347 core_ctx_t *ctx = net->in_ctx;
3351 if (mode == AP_MODE_INIT) {
3353 * this mode is for filters that might need to 'initialize'
3354 * a connection before reading request data from a client.
3355 * NNTP over SSL for example needs to handshake before the
3356 * server sends the welcome message.
3357 * such filters would have changed the mode before this point
3358 * is reached. however, protocol modules such as NNTP should
3359 * not need to know anything about SSL. given the example, if
3360 * SSL is not in the filter chain, AP_MODE_INIT is a noop.
3367 ctx = apr_pcalloc(f->c->pool, sizeof(*ctx));
3368 ctx->b = apr_brigade_create(f->c->pool, f->c->bucket_alloc);
3370 /* seed the brigade with the client socket. */
3371 e = apr_bucket_socket_create(net->client_socket, f->c->bucket_alloc);
3372 APR_BRIGADE_INSERT_TAIL(ctx->b, e);
3375 else if (APR_BRIGADE_EMPTY(ctx->b)) {
3379 /* ### This is bad. */
3380 BRIGADE_NORMALIZE(ctx->b);
3382 /* check for empty brigade again *AFTER* BRIGADE_NORMALIZE()
3383 * If we have lost our socket bucket (see above), we are EOF.
3385 * Ideally, this should be returning SUCCESS with EOS bucket, but
3386 * some higher-up APIs (spec. read_request_line via ap_rgetline)
3387 * want an error code. */
3388 if (APR_BRIGADE_EMPTY(ctx->b)) {
3392 /* ### AP_MODE_PEEK is a horrific name for this mode because we also
3393 * eat any CRLFs that we see. That's not the obvious intention of
3394 * this mode. Determine whether anyone actually uses this or not. */
3395 if (mode == AP_MODE_EATCRLF) {
3399 /* The purpose of this loop is to ignore any CRLF (or LF) at the end
3400 * of a request. Many browsers send extra lines at the end of POST
3401 * requests. We use the PEEK method to determine if there is more
3402 * data on the socket, so that we know if we should delay sending the
3403 * end of one request until we have served the second request in a
3404 * pipelined situation. We don't want to actually delay sending a
3405 * response if the server finds a CRLF (or LF), becuause that doesn't
3406 * mean that there is another request, just a blank line.
3409 if (APR_BRIGADE_EMPTY(ctx->b))
3412 e = APR_BRIGADE_FIRST(ctx->b);
3414 rv = apr_bucket_read(e, &str, &len, APR_NONBLOCK_READ);
3416 if (rv != APR_SUCCESS)
3420 while (c < str + len) {
3421 if (*c == APR_ASCII_LF)
3423 else if (*c == APR_ASCII_CR && *(c + 1) == APR_ASCII_LF)
3429 /* If we reach here, we were a bucket just full of CRLFs, so
3430 * just toss the bucket. */
3431 /* FIXME: Is this the right thing to do in the core? */
3432 apr_bucket_delete(e);
3436 /* If mode is EXHAUSTIVE, we want to just read everything until the end
3437 * of the brigade, which in this case means the end of the socket.
3438 * To do this, we attach the brigade that has currently been setaside to
3439 * the brigade that was passed down, and send that brigade back.
3441 * NOTE: This is VERY dangerous to use, and should only be done with
3442 * extreme caution. However, the Perchild MPM needs this feature
3443 * if it is ever going to work correctly again. With this, the Perchild
3444 * MPM can easily request the socket and all data that has been read,
3445 * which means that it can pass it to the correct child process.
3447 if (mode == AP_MODE_EXHAUSTIVE) {
3450 /* Tack on any buckets that were set aside. */
3451 APR_BRIGADE_CONCAT(b, ctx->b);
3453 /* Since we've just added all potential buckets (which will most
3454 * likely simply be the socket bucket) we know this is the end,
3455 * so tack on an EOS too. */
3456 /* We have read until the brigade was empty, so we know that we
3458 e = apr_bucket_eos_create(f->c->bucket_alloc);
3459 APR_BRIGADE_INSERT_TAIL(b, e);
3463 /* read up to the amount they specified. */
3464 if (mode == AP_MODE_READBYTES || mode == AP_MODE_SPECULATIVE) {
3466 apr_bucket_brigade *newbb;
3468 AP_DEBUG_ASSERT(readbytes > 0);
3470 e = APR_BRIGADE_FIRST(ctx->b);
3471 rv = apr_bucket_read(e, &str, &len, block);
3473 if (APR_STATUS_IS_EAGAIN(rv)) {
3476 else if (rv != APR_SUCCESS) {
3479 else if (block == APR_BLOCK_READ && len == 0) {
3480 /* We wanted to read some bytes in blocking mode. We read
3481 * 0 bytes. Hence, we now assume we are EOS.
3483 * When we are in normal mode, return an EOS bucket to the
3485 * When we are in speculative mode, leave ctx->b empty, so
3486 * that the next call returns an EOS bucket.
3488 apr_bucket_delete(e);
3490 if (mode == AP_MODE_READBYTES) {
3491 e = apr_bucket_eos_create(f->c->bucket_alloc);
3492 APR_BRIGADE_INSERT_TAIL(b, e);
3497 /* We can only return at most what we read. */
3498 if (len < readbytes) {
3502 rv = apr_brigade_partition(ctx->b, readbytes, &e);
3503 if (rv != APR_SUCCESS) {
3507 /* Must do split before CONCAT */
3508 newbb = apr_brigade_split(ctx->b, e);
3510 if (mode == AP_MODE_READBYTES) {
3511 APR_BRIGADE_CONCAT(b, ctx->b);
3513 else if (mode == AP_MODE_SPECULATIVE) {
3514 apr_bucket *copy_bucket;
3515 APR_BRIGADE_FOREACH(e, ctx->b) {
3516 rv = apr_bucket_copy(e, ©_bucket);
3517 if (rv != APR_SUCCESS) {
3520 APR_BRIGADE_INSERT_TAIL(b, copy_bucket);
3524 /* Take what was originally there and place it back on ctx->b */
3525 APR_BRIGADE_CONCAT(ctx->b, newbb);
3530 /* we are reading a single LF line, e.g. the HTTP headers */
3531 rv = apr_brigade_split_line(b, ctx->b, block, HUGE_STRING_LEN);
3533 /* We should treat EAGAIN here the same as we do for EOF (brigade is
3534 * empty). We do this by returning whatever we have read. This may
3535 * or may not be bogus, but is consistent (for now) with EOF logic.
3537 if (APR_STATUS_IS_EAGAIN(rv)) {
3544 /* Default filter. This filter should almost always be used. Its only job
3545 * is to send the headers if they haven't already been sent, and then send
3548 #define MAX_IOVEC_TO_WRITE 16
3550 static apr_status_t core_output_filter(ap_filter_t *f, apr_bucket_brigade *b)
3554 core_net_rec *net = f->ctx;
3555 core_output_filter_ctx_t *ctx = net->out_ctx;
3558 ctx = apr_pcalloc(c->pool, sizeof(*ctx));
3562 /* If we have a saved brigade, concatenate the new brigade to it */
3564 APR_BRIGADE_CONCAT(ctx->b, b);
3569 /* Perform multiple passes over the brigade, sending batches of output
3570 to the connection. */
3571 while (b && !APR_BRIGADE_EMPTY(b)) {
3572 apr_size_t nbytes = 0;
3573 apr_bucket *last_e = NULL; /* initialized for debugging */
3576 /* tail of brigade if we need another pass */
3577 apr_bucket_brigade *more = NULL;
3579 /* one group of iovecs per pass over the brigade */
3580 apr_size_t nvec = 0;
3581 apr_size_t nvec_trailers = 0;
3582 struct iovec vec[MAX_IOVEC_TO_WRITE];
3583 struct iovec vec_trailers[MAX_IOVEC_TO_WRITE];
3585 /* one file per pass over the brigade */
3586 apr_file_t *fd = NULL;
3587 apr_size_t flen = 0;
3588 apr_off_t foffset = 0;
3590 /* keep track of buckets that we've concatenated
3591 * to avoid small writes
3593 apr_bucket *last_merged_bucket = NULL;
3595 /* Iterate over the brigade: collect iovecs and/or a file */
3596 APR_BRIGADE_FOREACH(e, b) {
3597 /* keep track of the last bucket processed */
3599 if (APR_BUCKET_IS_EOS(e)) {
3602 if (APR_BUCKET_IS_FLUSH(e)) {
3603 more = apr_brigade_split(b, APR_BUCKET_NEXT(e));
3607 /* It doesn't make any sense to use sendfile for a file bucket
3608 * that represents 10 bytes.
3610 else if (APR_BUCKET_IS_FILE(e)
3611 && (e->length >= AP_MIN_SENDFILE_BYTES)) {
3612 apr_bucket_file *a = e->data;
3614 /* We can't handle more than one file bucket at a time
3615 * so we split here and send the file we have already
3619 more = apr_brigade_split(b, e);
3631 rv = apr_bucket_read(e, &str, &n, APR_BLOCK_READ);
3634 if (nvec == MAX_IOVEC_TO_WRITE) {
3635 /* woah! too many. buffer them up, for use later. */
3636 apr_bucket *temp, *next;
3637 apr_bucket_brigade *temp_brig;
3639 if (nbytes >= AP_MIN_BYTES_TO_WRITE) {
3640 /* We have enough data in the iovec
3641 * to justify doing a writev
3643 more = apr_brigade_split(b, e);
3647 /* Create a temporary brigade as a means
3648 * of concatenating a bunch of buckets together
3650 if (last_merged_bucket) {
3651 /* If we've concatenated together small
3652 * buckets already in a previous pass,
3653 * the initial buckets in this brigade
3654 * are heap buckets that may have extra
3655 * space left in them (because they
3656 * were created by apr_brigade_write()).
3657 * We can take advantage of this by
3658 * building the new temp brigade out of
3659 * these buckets, so that the content
3660 * in them doesn't have to be copied again.
3662 apr_bucket_brigade *bb;
3663 bb = apr_brigade_split(b,
3664 APR_BUCKET_NEXT(last_merged_bucket));
3669 temp_brig = apr_brigade_create(f->c->pool,
3670 f->c->bucket_alloc);
3673 temp = APR_BRIGADE_FIRST(b);
3676 rv = apr_bucket_read(temp, &str, &n, APR_BLOCK_READ);
3677 apr_brigade_write(temp_brig, NULL, NULL, str, n);
3679 temp = APR_BUCKET_NEXT(temp);
3680 apr_bucket_delete(d);
3685 temp = APR_BRIGADE_FIRST(temp_brig);
3686 APR_BUCKET_REMOVE(temp);
3687 APR_BRIGADE_INSERT_HEAD(b, temp);
3688 apr_bucket_read(temp, &str, &n, APR_BLOCK_READ);
3689 vec[nvec].iov_base = (char*) str;
3690 vec[nvec].iov_len = n;
3693 /* Just in case the temporary brigade has
3694 * multiple buckets, recover the rest of
3695 * them and put them in the brigade that
3698 for (next = APR_BRIGADE_FIRST(temp_brig);
3699 next != APR_BRIGADE_SENTINEL(temp_brig);
3700 next = APR_BRIGADE_FIRST(temp_brig)) {
3701 APR_BUCKET_REMOVE(next);
3702 APR_BUCKET_INSERT_AFTER(temp, next);
3704 apr_bucket_read(next, &str, &n,
3706 vec[nvec].iov_base = (char*) str;
3707 vec[nvec].iov_len = n;
3711 apr_brigade_destroy(temp_brig);
3713 last_merged_bucket = temp;
3718 vec[nvec].iov_base = (char*) str;
3719 vec[nvec].iov_len = n;
3724 /* The bucket is a trailer to a file bucket */
3726 if (nvec_trailers == MAX_IOVEC_TO_WRITE) {
3727 /* woah! too many. stop now. */
3728 more = apr_brigade_split(b, e);
3732 vec_trailers[nvec_trailers].iov_base = (char*) str;
3733 vec_trailers[nvec_trailers].iov_len = n;
3743 /* Completed iterating over the brigades, now determine if we want
3744 * to buffer the brigade or send the brigade out on the network.
3748 * 1) we didn't see a file, we don't have more passes over the
3749 * brigade to perform, we haven't accumulated enough bytes to
3750 * send, AND we didn't stop at a FLUSH bucket.
3751 * (IOW, we will save away plain old bytes)
3753 * 2) we hit the EOS and have a keep-alive connection
3754 * (IOW, this response is a bit more complex, but we save it
3755 * with the hope of concatenating with another response)
3758 && (nbytes + flen < AP_MIN_BYTES_TO_WRITE)
3759 && !APR_BUCKET_IS_FLUSH(last_e))
3760 || (nbytes + flen < AP_MIN_BYTES_TO_WRITE
3761 && APR_BUCKET_IS_EOS(last_e)
3762 && c->keepalive == AP_CONN_KEEPALIVE)) {
3764 /* NEVER save an EOS in here. If we are saving a brigade with
3765 * an EOS bucket, then we are doing keepalive connections, and
3766 * we want to process to second request fully.
3768 if (APR_BUCKET_IS_EOS(last_e)) {
3769 apr_bucket *bucket = NULL;
3770 /* If we are in here, then this request is a keepalive. We
3771 * need to be certain that any data in a bucket is valid
3772 * after the request_pool is cleared.
3774 if (ctx->b == NULL) {
3775 ctx->b = apr_brigade_create(net->c->pool,
3776 net->c->bucket_alloc);
3779 APR_BRIGADE_FOREACH(bucket, b) {
3783 rv = apr_bucket_read(bucket, &str, &n, APR_BLOCK_READ);
3785 /* This apr_brigade_write does not use a flush function
3786 because we assume that we will not write enough data
3787 into it to cause a flush. However, if we *do* write
3788 "too much", then we could end up with transient
3789 buckets which would suck. This works for now, but is
3790 a bit shaky if changes are made to some of the
3791 buffering sizes. Let's do an assert to prevent
3792 potential future problems... */
3793 AP_DEBUG_ASSERT(AP_MIN_BYTES_TO_WRITE <=
3794 APR_BUCKET_BUFF_SIZE);
3795 if (rv != APR_SUCCESS) {
3796 ap_log_error(APLOG_MARK, APLOG_ERR, rv, c->base_server,
3797 "core_output_filter: Error reading from bucket.");
3798 return HTTP_INTERNAL_SERVER_ERROR;
3801 apr_brigade_write(ctx->b, NULL, NULL, str, n);
3804 apr_brigade_destroy(b);
3807 ap_save_brigade(f, &ctx->b, &b, c->pool);
3815 #if APR_HAS_SENDFILE
3816 apr_int32_t flags = 0;
3819 memset(&hdtr, '\0', sizeof(hdtr));
3821 hdtr.numheaders = nvec;
3825 if (nvec_trailers) {
3826 hdtr.numtrailers = nvec_trailers;
3827 hdtr.trailers = vec_trailers;
3830 #if APR_HAS_SENDFILE
3831 if (c->keepalive == AP_CONN_CLOSE && APR_BUCKET_IS_EOS(last_e)) {
3832 /* Prepare the socket to be reused */
3833 flags |= APR_SENDFILE_DISCONNECT_SOCKET;
3836 rv = sendfile_it_all(net, /* the network information */
3837 fd, /* the file to send */
3838 &hdtr, /* header and trailer iovecs */
3839 foffset, /* offset in the file to begin
3841 flen, /* length of file */
3842 nbytes + flen, /* total length including
3844 flags); /* apr_sendfile flags */
3846 /* If apr_sendfile() returns APR_ENOTIMPL, call emulate_sendfile().
3847 * emulate_sendfile() is useful to enable the same Apache binary
3848 * distribution to support Windows NT/2000 (supports TransmitFile)
3849 * and Win95/98 (do not support TransmitFile)
3851 if (rv == APR_ENOTIMPL)
3854 apr_size_t unused_bytes_sent;
3855 rv = emulate_sendfile(net, fd, &hdtr, foffset, flen,
3856 &unused_bytes_sent);
3862 apr_size_t unused_bytes_sent;
3864 rv = writev_it_all(net->client_socket,
3866 nbytes, &unused_bytes_sent);
3869 apr_brigade_destroy(b);
3870 if (rv != APR_SUCCESS) {
3871 ap_log_error(APLOG_MARK, APLOG_INFO, rv, c->base_server,
3872 "core_output_filter: writing data to the network");
3875 apr_brigade_destroy(more);
3877 if (APR_STATUS_IS_ECONNABORTED(rv)
3878 || APR_STATUS_IS_ECONNRESET(rv)
3879 || APR_STATUS_IS_EPIPE(rv)) {
3883 /* The client has aborted, but the request was successful. We
3884 * will report success, and leave it to the access and error
3885 * logs to note that the connection was aborted.
3892 } /* end while () */
3897 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
3899 ap_set_version(pconf);
3900 ap_setup_make_content_type(pconf);
3904 static int core_open_logs(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
3906 ap_open_logs(s, plog);
3910 static void core_insert_filter(request_rec *r)
3912 core_dir_config *conf = (core_dir_config *)
3913 ap_get_module_config(r->per_dir_config,
3915 const char *filter, *filters = conf->output_filters;
3918 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
3919 ap_add_output_filter(filter, NULL, r, r->connection);
3923 filters = conf->input_filters;
3925 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
3926 ap_add_input_filter(filter, NULL, r, r->connection);
3931 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
3933 static apr_status_t reset_request_notes(void *dummy)
3935 num_request_notes = AP_NUM_STD_NOTES;
3939 AP_DECLARE(apr_size_t) ap_register_request_note(void)
3941 apr_pool_cleanup_register(apr_global_hook_pool, NULL, reset_request_notes,
3942 apr_pool_cleanup_null);
3943 return num_request_notes++;
3946 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
3948 core_request_config *req_cfg;
3950 if (note_num >= num_request_notes) {
3954 req_cfg = (core_request_config *)
3955 ap_get_module_config(r->request_config, &core_module);
3961 return &(req_cfg->notes[note_num]);
3964 static int core_create_req(request_rec *r)
3966 /* Alloc the config struct and the array of request notes in
3967 * a single block for efficiency
3969 core_request_config *req_cfg;
3971 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
3972 sizeof(void *) * num_request_notes);
3973 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
3975 core_request_config *main_req_cfg = (core_request_config *)
3976 ap_get_module_config(r->main->request_config, &core_module);
3977 req_cfg->bb = main_req_cfg->bb;
3980 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
3982 ap_add_input_filter_handle(ap_net_time_filter_handle,
3983 NULL, r, r->connection);
3987 ap_set_module_config(r->request_config, &core_module, req_cfg);
3989 /* Begin by presuming any module can make its own path_info assumptions,
3990 * until some module interjects and changes the value.
3992 r->used_path_info = AP_REQ_DEFAULT_PATH_INFO;
3997 static int core_create_proxy_req(request_rec *r, request_rec *pr)
3999 return core_create_req(pr);
4002 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
4003 apr_socket_t *csd, long id, void *sbh,
4004 apr_bucket_alloc_t *alloc)
4007 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
4010 (void) ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *) NULL);
4012 /* Got a connection structure, so initialize what fields we can
4013 * (the rest are zeroed out by pcalloc).
4015 c->conn_config = ap_create_conn_config(ptrans);
4016 c->notes = apr_table_make(ptrans, 5);
4019 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
4021 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server,
4022 "apr_socket_addr_get(APR_LOCAL)");
4023 apr_socket_close(csd);
4027 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
4028 if ((rv = apr_socket_addr_get(&c->remote_addr, APR_REMOTE, csd))
4030 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server,
4031 "apr_socket_addr_get(APR_REMOTE)");
4032 apr_socket_close(csd);
4036 apr_sockaddr_ip_get(&c->remote_ip, c->remote_addr);
4037 c->base_server = server;
4040 c->bucket_alloc = alloc;
4045 static int core_pre_connection(conn_rec *c, void *csd)
4047 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4049 #ifdef AP_MPM_DISABLE_NAGLE_ACCEPTED_SOCK
4050 /* BillS says perhaps this should be moved to the MPMs. Some OSes
4051 * allow listening socket attributes to be inherited by the
4052 * accept sockets which means this call only needs to be made
4053 * once on the listener
4055 ap_sock_disable_nagle(csd);
4059 net->out_ctx = NULL;
4060 net->client_socket = csd;
4062 ap_set_module_config(net->c->conn_config, &core_module, csd);
4063 ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c);
4064 ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c);
4068 static void register_hooks(apr_pool_t *p)
4070 /* create_connection and install_transport_filters are
4071 * hooks that should always be APR_HOOK_REALLY_LAST to give other
4072 * modules the opportunity to install alternate network transports
4073 * and stop other functions from being run.
4075 ap_hook_create_connection(core_create_conn, NULL, NULL,
4076 APR_HOOK_REALLY_LAST);
4077 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4078 APR_HOOK_REALLY_LAST);
4080 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4081 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4082 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4083 ap_hook_open_logs(core_open_logs,NULL,NULL,APR_HOOK_MIDDLE);
4084 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4085 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4086 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4087 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4088 ap_hook_access_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4089 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4090 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4092 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4094 /* register the core's insert_filter hook and register core-provided
4097 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4099 ap_core_input_filter_handle =
4100 ap_register_input_filter("CORE_IN", core_input_filter,
4101 NULL, AP_FTYPE_NETWORK);
4102 ap_net_time_filter_handle =
4103 ap_register_input_filter("NET_TIME", net_time_filter,
4104 NULL, AP_FTYPE_PROTOCOL);
4105 ap_content_length_filter_handle =
4106 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4107 NULL, AP_FTYPE_PROTOCOL);
4108 ap_core_output_filter_handle =
4109 ap_register_output_filter("CORE", core_output_filter,
4110 NULL, AP_FTYPE_NETWORK);
4111 ap_subreq_core_filter_handle =
4112 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4113 NULL, AP_FTYPE_CONTENT_SET);
4115 ap_register_output_filter("OLD_WRITE", ap_old_write_filter,
4116 NULL, AP_FTYPE_RESOURCE - 10);
4119 AP_DECLARE_DATA module core_module = {
4120 STANDARD20_MODULE_STUFF,
4121 create_core_dir_config, /* create per-directory config structure */
4122 merge_core_dir_configs, /* merge per-directory config structures */
4123 create_core_server_config, /* create per-server config structure */
4124 merge_core_server_configs, /* merge per-server config structures */
4125 core_cmds, /* command apr_table_t */
4126 register_hooks /* register hooks */