1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "apr_strings.h"
20 #include "apr_fnmatch.h"
22 #include "apr_thread_proc.h" /* for RLIMIT stuff */
23 #include "apr_random.h"
25 #define APR_WANT_IOVEC
26 #define APR_WANT_STRFUNC
27 #define APR_WANT_MEMFUNC
30 #include "ap_config.h"
32 #include "http_config.h"
33 #include "http_core.h"
34 #include "http_protocol.h" /* For index_of_response(). Grump. */
35 #include "http_request.h"
36 #include "http_vhost.h"
37 #include "http_main.h" /* For the default_handler below... */
40 #include "http_connection.h"
41 #include "apr_buckets.h"
42 #include "util_filter.h"
43 #include "util_ebcdic.h"
44 #include "util_mutex.h"
45 #include "util_time.h"
46 #include "mpm_common.h"
47 #include "scoreboard.h"
49 #include "mod_proxy.h"
50 #include "ap_listen.h"
52 #include "mod_so.h" /* for ap_find_loaded_module_symbol */
54 #if defined(RLIMIT_CPU) || defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS) || defined (RLIMIT_NPROC)
61 /* LimitRequestBody handling */
62 #define AP_LIMIT_REQ_BODY_UNSET ((apr_off_t) -1)
63 #define AP_DEFAULT_LIMIT_REQ_BODY ((apr_off_t) 0)
65 /* LimitXMLRequestBody handling */
66 #define AP_LIMIT_UNSET ((long) -1)
67 #define AP_DEFAULT_LIMIT_XML_BODY ((apr_size_t)1000000)
69 #define AP_MIN_SENDFILE_BYTES (256)
71 /* maximum include nesting level */
72 #ifndef AP_MAX_INCLUDE_DEPTH
73 #define AP_MAX_INCLUDE_DEPTH (128)
76 /* valid in core-conf, but not in runtime r->used_path_info */
77 #define AP_ACCEPT_PATHINFO_UNSET 3
79 #define AP_CONTENT_MD5_OFF 0
80 #define AP_CONTENT_MD5_ON 1
81 #define AP_CONTENT_MD5_UNSET 2
84 APR_HOOK_LINK(get_mgmt_items)
85 APR_HOOK_LINK(insert_network_bucket)
88 AP_IMPLEMENT_HOOK_RUN_ALL(int, get_mgmt_items,
89 (apr_pool_t *p, const char *val, apr_hash_t *ht),
90 (p, val, ht), OK, DECLINED)
92 AP_IMPLEMENT_HOOK_RUN_FIRST(apr_status_t, insert_network_bucket,
93 (conn_rec *c, apr_bucket_brigade *bb,
94 apr_socket_t *socket),
95 (c, bb, socket), AP_DECLINED)
97 /* Server core module... This module provides support for really basic
98 * server operations, including options and commands which control the
99 * operation of other modules. Consider this the bureaucracy module.
101 * The core module also defines handlers, etc., to handle just enough
102 * to allow a server with the core module ONLY to actually serve documents.
104 * This file could almost be mod_core.c, except for the stuff which affects
105 * the http_conf_globals.
108 /* we know core's module_index is 0 */
109 #undef APLOG_MODULE_INDEX
110 #define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
112 /* Handles for core filters */
113 AP_DECLARE_DATA ap_filter_rec_t *ap_subreq_core_filter_handle;
114 AP_DECLARE_DATA ap_filter_rec_t *ap_core_output_filter_handle;
115 AP_DECLARE_DATA ap_filter_rec_t *ap_content_length_filter_handle;
116 AP_DECLARE_DATA ap_filter_rec_t *ap_core_input_filter_handle;
118 /* Provide ap_document_root_check storage and default value = true */
119 AP_DECLARE_DATA int ap_document_root_check = 1;
121 /* magic pointer for ErrorDocument xxx "default" */
122 static char errordocument_default;
124 static apr_array_header_t *saved_server_config_defines = NULL;
125 static apr_table_t *server_config_defined_vars = NULL;
127 AP_DECLARE_DATA int ap_main_state = AP_SQ_MS_INITIAL_STARTUP;
128 AP_DECLARE_DATA int ap_run_mode = AP_SQ_RM_UNKNOWN;
129 AP_DECLARE_DATA int ap_config_generation = 0;
131 static void *create_core_dir_config(apr_pool_t *a, char *dir)
133 core_dir_config *conf;
135 conf = (core_dir_config *)apr_pcalloc(a, sizeof(core_dir_config));
137 /* conf->r and conf->d[_*] are initialized by dirsection() or left NULL */
139 conf->opts = dir ? OPT_UNSET : OPT_UNSET|OPT_SYM_LINKS;
140 conf->opts_add = conf->opts_remove = OPT_NONE;
141 conf->override = OR_UNSET|OR_NONE;
142 conf->override_opts = OPT_UNSET | OPT_ALL | OPT_SYM_OWNER | OPT_MULTI;
144 conf->content_md5 = AP_CONTENT_MD5_UNSET;
145 conf->accept_path_info = AP_ACCEPT_PATHINFO_UNSET;
147 conf->use_canonical_name = USE_CANONICAL_NAME_UNSET;
148 conf->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_UNSET;
150 conf->hostname_lookups = HOSTNAME_LOOKUP_UNSET;
153 * left as NULL (we use apr_pcalloc):
154 * conf->limit_cpu = NULL;
155 * conf->limit_mem = NULL;
156 * conf->limit_nproc = NULL;
157 * conf->sec_file = NULL;
158 * conf->sec_if = NULL;
161 conf->limit_req_body = AP_LIMIT_REQ_BODY_UNSET;
162 conf->limit_xml_body = AP_LIMIT_UNSET;
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
170 * Set NULL by apr_pcalloc:
171 * conf->mime_type = NULL;
172 * conf->handler = NULL;
173 * conf->output_filters = NULL;
174 * conf->input_filters = NULL;
178 * Flag for use of inodes in ETags.
180 conf->etag_bits = ETAG_UNSET;
181 conf->etag_add = ETAG_UNSET;
182 conf->etag_remove = ETAG_UNSET;
184 conf->enable_mmap = ENABLE_MMAP_UNSET;
185 conf->enable_sendfile = ENABLE_SENDFILE_UNSET;
186 conf->allow_encoded_slashes = 0;
187 conf->decode_encoded_slashes = 0;
189 conf->max_ranges = AP_MAXRANGES_UNSET;
190 conf->max_overlaps = AP_MAXRANGES_UNSET;
191 conf->max_reversals = AP_MAXRANGES_UNSET;
196 static void *merge_core_dir_configs(apr_pool_t *a, void *basev, void *newv)
198 core_dir_config *base = (core_dir_config *)basev;
199 core_dir_config *new = (core_dir_config *)newv;
200 core_dir_config *conf;
203 /* Create this conf by duplicating the base, replacing elements
204 * (or creating copies for merging) where new-> values exist.
206 conf = (core_dir_config *)apr_pmemdup(a, base, sizeof(core_dir_config));
209 conf->d_is_fnmatch = new->d_is_fnmatch;
210 conf->d_components = new->d_components;
212 conf->condition = new->condition;
214 if (new->opts & OPT_UNSET) {
215 /* there was no explicit setting of new->opts, so we merge
216 * preserve the invariant (opts_add & opts_remove) == 0
218 conf->opts_add = (conf->opts_add & ~new->opts_remove) | new->opts_add;
219 conf->opts_remove = (conf->opts_remove & ~new->opts_add)
221 conf->opts = (conf->opts & ~conf->opts_remove) | conf->opts_add;
223 /* If Includes was enabled with exec in the base config, but
224 * was enabled without exec in the new config, then disable
225 * exec in the merged set. */
226 if (((base->opts & (OPT_INCLUDES|OPT_INC_WITH_EXEC))
227 == (OPT_INCLUDES|OPT_INC_WITH_EXEC))
228 && ((new->opts & (OPT_INCLUDES|OPT_INC_WITH_EXEC))
230 conf->opts &= ~OPT_INC_WITH_EXEC;
234 /* otherwise we just copy, because an explicit opts setting
235 * overrides all earlier +/- modifiers
237 conf->opts = new->opts;
238 conf->opts_add = new->opts_add;
239 conf->opts_remove = new->opts_remove;
242 if (!(new->override & OR_UNSET)) {
243 conf->override = new->override;
246 if (!(new->override_opts & OPT_UNSET)) {
247 conf->override_opts = new->override_opts;
250 if (conf->override_list == NULL) {
251 conf->override_list = new->override_list;
254 if (conf->response_code_strings == NULL) {
255 conf->response_code_strings = new->response_code_strings;
257 else if (new->response_code_strings != NULL) {
258 /* If we merge, the merge-result must have its own array
260 conf->response_code_strings = apr_pmemdup(a,
261 base->response_code_strings,
262 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
264 for (i = 0; i < RESPONSE_CODES; ++i) {
265 if (new->response_code_strings[i] != NULL) {
266 conf->response_code_strings[i] = new->response_code_strings[i];
270 /* Otherwise we simply use the base->response_code_strings array
273 if (new->hostname_lookups != HOSTNAME_LOOKUP_UNSET) {
274 conf->hostname_lookups = new->hostname_lookups;
277 if (new->content_md5 == AP_CONTENT_MD5_UNSET) {
278 conf->content_md5 = new->content_md5;
281 if (new->accept_path_info != AP_ACCEPT_PATHINFO_UNSET) {
282 conf->accept_path_info = new->accept_path_info;
285 if (new->use_canonical_name != USE_CANONICAL_NAME_UNSET) {
286 conf->use_canonical_name = new->use_canonical_name;
289 if (new->use_canonical_phys_port != USE_CANONICAL_PHYS_PORT_UNSET) {
290 conf->use_canonical_phys_port = new->use_canonical_phys_port;
294 if (new->limit_cpu) {
295 conf->limit_cpu = new->limit_cpu;
299 #if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
300 if (new->limit_mem) {
301 conf->limit_mem = new->limit_mem;
306 if (new->limit_nproc) {
307 conf->limit_nproc = new->limit_nproc;
311 if (new->limit_req_body != AP_LIMIT_REQ_BODY_UNSET) {
312 conf->limit_req_body = new->limit_req_body;
315 if (new->limit_xml_body != AP_LIMIT_UNSET)
316 conf->limit_xml_body = new->limit_xml_body;
318 conf->limit_xml_body = base->limit_xml_body;
320 if (!conf->sec_file) {
321 conf->sec_file = new->sec_file;
323 else if (new->sec_file) {
324 /* If we merge, the merge-result must have its own array
326 conf->sec_file = apr_array_append(a, base->sec_file, new->sec_file);
328 /* Otherwise we simply use the base->sec_file array
332 conf->sec_if = new->sec_if;
334 else if (new->sec_if) {
335 /* If we merge, the merge-result must have its own array
337 conf->sec_if = apr_array_append(a, base->sec_if, new->sec_if);
339 /* Otherwise we simply use the base->sec_if array
342 if (new->server_signature != srv_sig_unset) {
343 conf->server_signature = new->server_signature;
346 if (new->add_default_charset != ADD_DEFAULT_CHARSET_UNSET) {
347 conf->add_default_charset = new->add_default_charset;
348 conf->add_default_charset_name = new->add_default_charset_name;
351 /* Overriding all negotiation
353 if (new->mime_type) {
354 conf->mime_type = new->mime_type;
358 conf->handler = new->handler;
361 if (new->output_filters) {
362 conf->output_filters = new->output_filters;
365 if (new->input_filters) {
366 conf->input_filters = new->input_filters;
370 * Now merge the setting of the FileETag directive.
372 if (new->etag_bits == ETAG_UNSET) {
374 (conf->etag_add & (~ new->etag_remove)) | new->etag_add;
376 (conf->etag_remove & (~ new->etag_add)) | new->etag_remove;
378 (conf->etag_bits & (~ conf->etag_remove)) | conf->etag_add;
381 conf->etag_bits = new->etag_bits;
382 conf->etag_add = new->etag_add;
383 conf->etag_remove = new->etag_remove;
386 if (conf->etag_bits != ETAG_NONE) {
387 conf->etag_bits &= (~ ETAG_NONE);
390 if (new->enable_mmap != ENABLE_MMAP_UNSET) {
391 conf->enable_mmap = new->enable_mmap;
394 if (new->enable_sendfile != ENABLE_SENDFILE_UNSET) {
395 conf->enable_sendfile = new->enable_sendfile;
398 conf->allow_encoded_slashes = new->allow_encoded_slashes;
399 conf->decode_encoded_slashes = new->decode_encoded_slashes;
403 conf->log = new->log;
406 conf->log = ap_new_log_config(a, new->log);
407 ap_merge_log_config(base->log, conf->log);
411 conf->max_ranges = new->max_ranges != AP_MAXRANGES_UNSET ? new->max_ranges : base->max_ranges;
412 conf->max_overlaps = new->max_overlaps != AP_MAXRANGES_UNSET ? new->max_overlaps : base->max_overlaps;
413 conf->max_reversals = new->max_reversals != AP_MAXRANGES_UNSET ? new->max_reversals : base->max_reversals;
418 #if APR_HAS_SO_ACCEPTFILTER
419 #ifndef ACCEPT_FILTER_NAME
420 #define ACCEPT_FILTER_NAME "httpready"
421 #ifdef __FreeBSD_version
422 #if __FreeBSD_version < 411000 /* httpready broken before 4.1.1 */
423 #undef ACCEPT_FILTER_NAME
424 #define ACCEPT_FILTER_NAME "dataready"
430 static void *create_core_server_config(apr_pool_t *a, server_rec *s)
432 core_server_config *conf;
433 int is_virtual = s->is_virtual;
435 conf = (core_server_config *)apr_pcalloc(a, sizeof(core_server_config));
437 /* global-default / global-only settings */
440 conf->ap_document_root = DOCUMENT_LOCATION;
441 conf->access_name = DEFAULT_ACCESS_FNAME;
443 /* A mapping only makes sense in the global context */
444 conf->accf_map = apr_table_make(a, 5);
445 #if APR_HAS_SO_ACCEPTFILTER
446 apr_table_setn(conf->accf_map, "http", ACCEPT_FILTER_NAME);
447 apr_table_setn(conf->accf_map, "https", "dataready");
449 apr_table_setn(conf->accf_map, "http", "data");
450 apr_table_setn(conf->accf_map, "https", "data");
453 /* pcalloc'ed - we have NULL's/0's
454 else ** is_virtual ** {
455 conf->ap_document_root = NULL;
456 conf->access_name = NULL;
457 conf->accf_map = NULL;
461 /* initialization, no special case for global context */
463 conf->sec_dir = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
464 conf->sec_url = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
466 /* pcalloc'ed - we have NULL's/0's
467 conf->gprof_dir = NULL;
469 ** recursion stopper; 0 == unset
470 conf->redirect_limit = 0;
471 conf->subreq_limit = 0;
473 conf->protocol = NULL;
476 conf->trace_enable = AP_TRACE_UNSET;
481 static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv)
483 core_server_config *base = (core_server_config *)basev;
484 core_server_config *virt = (core_server_config *)virtv;
485 core_server_config *conf = (core_server_config *)
486 apr_pmemdup(p, base, sizeof(core_server_config));
488 if (virt->ap_document_root)
489 conf->ap_document_root = virt->ap_document_root;
491 if (virt->access_name)
492 conf->access_name = virt->access_name;
494 /* XXX optimize to keep base->sec_ pointers if virt->sec_ array is empty */
495 conf->sec_dir = apr_array_append(p, base->sec_dir, virt->sec_dir);
496 conf->sec_url = apr_array_append(p, base->sec_url, virt->sec_url);
498 if (virt->redirect_limit)
499 conf->redirect_limit = virt->redirect_limit;
501 if (virt->subreq_limit)
502 conf->subreq_limit = virt->subreq_limit;
504 if (virt->trace_enable != AP_TRACE_UNSET)
505 conf->trace_enable = virt->trace_enable;
507 /* no action for virt->accf_map, not allowed per-vhost */
510 conf->protocol = virt->protocol;
513 conf->gprof_dir = virt->gprof_dir;
515 if (virt->error_log_format)
516 conf->error_log_format = virt->error_log_format;
518 if (virt->error_log_conn)
519 conf->error_log_conn = virt->error_log_conn;
521 if (virt->error_log_req)
522 conf->error_log_req = virt->error_log_req;
527 /* Add per-directory configuration entry (for <directory> section);
528 * these are part of the core server config.
531 AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
533 core_server_config *sconf = ap_get_core_module_config(s->module_config);
534 void **new_space = (void **)apr_array_push(sconf->sec_dir);
536 *new_space = dir_config;
539 AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config)
541 core_server_config *sconf = ap_get_core_module_config(s->module_config);
542 void **new_space = (void **)apr_array_push(sconf->sec_url);
544 *new_space = url_config;
547 AP_CORE_DECLARE(void) ap_add_file_conf(apr_pool_t *p, core_dir_config *conf,
553 conf->sec_file = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
555 new_space = (void **)apr_array_push(conf->sec_file);
556 *new_space = url_config;
559 AP_CORE_DECLARE(const char *) ap_add_if_conf(apr_pool_t *p,
560 core_dir_config *conf,
564 core_dir_config *new = ap_get_module_config(if_config, &core_module);
567 conf->sec_if = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
569 if (new->condition_ifelse & AP_CONDITION_ELSE) {
571 if (conf->sec_if->nelts > 0) {
572 core_dir_config *last;
573 ap_conf_vector_t *lastelt = APR_ARRAY_IDX(conf->sec_if,
574 conf->sec_if->nelts - 1,
576 last = ap_get_module_config(lastelt, &core_module);
577 if (last->condition_ifelse & AP_CONDITION_IF)
581 return "<Else> or <ElseIf> section without previous <If> or "
582 "<ElseIf> section in same scope";
585 new_space = (void **)apr_array_push(conf->sec_if);
586 *new_space = if_config;
591 /* We need to do a stable sort, qsort isn't stable. So to make it stable
592 * we'll be maintaining the original index into the list, and using it
593 * as the minor key during sorting. The major key is the number of
594 * components (where the root component is zero).
596 struct reorder_sort_rec {
597 ap_conf_vector_t *elt;
601 static int reorder_sorter(const void *va, const void *vb)
603 const struct reorder_sort_rec *a = va;
604 const struct reorder_sort_rec *b = vb;
605 core_dir_config *core_a;
606 core_dir_config *core_b;
608 core_a = ap_get_core_module_config(a->elt);
609 core_b = ap_get_core_module_config(b->elt);
611 /* a regex always sorts after a non-regex
613 if (!core_a->r && core_b->r) {
616 else if (core_a->r && !core_b->r) {
620 /* we always sort next by the number of components
622 if (core_a->d_components < core_b->d_components) {
625 else if (core_a->d_components > core_b->d_components) {
629 /* They have the same number of components, we now have to compare
630 * the minor key to maintain the original order (from the config.)
632 return a->orig_index - b->orig_index;
635 void ap_core_reorder_directories(apr_pool_t *p, server_rec *s)
637 core_server_config *sconf;
638 apr_array_header_t *sec_dir;
639 struct reorder_sort_rec *sortbin;
641 ap_conf_vector_t **elts;
645 sconf = ap_get_core_module_config(s->module_config);
646 sec_dir = sconf->sec_dir;
647 nelts = sec_dir->nelts;
648 elts = (ap_conf_vector_t **)sec_dir->elts;
651 /* simple case of already being sorted... */
652 /* We're not checking this condition to be fast... we're checking
653 * it to avoid trying to palloc zero bytes, which can trigger some
654 * memory debuggers to barf
659 /* we have to allocate tmp space to do a stable sort */
660 apr_pool_create(&tmp, p);
661 sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin));
662 for (i = 0; i < nelts; ++i) {
663 sortbin[i].orig_index = i;
664 sortbin[i].elt = elts[i];
667 qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
669 /* and now copy back to the original array */
670 for (i = 0; i < nelts; ++i) {
671 elts[i] = sortbin[i].elt;
674 apr_pool_destroy(tmp);
677 /*****************************************************************
679 * There are some elements of the core config structures in which
680 * other modules have a legitimate interest (this is ugly, but necessary
681 * to preserve NCSA back-compatibility). So, we have a bunch of accessors
685 AP_DECLARE(int) ap_allow_options(request_rec *r)
687 core_dir_config *conf =
688 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
693 AP_DECLARE(int) ap_allow_overrides(request_rec *r)
695 core_dir_config *conf;
696 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
698 return conf->override;
702 * Optional function coming from mod_authn_core, used for
703 * retrieving the type of autorization
705 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_type) *authn_ap_auth_type;
707 AP_DECLARE(const char *) ap_auth_type(request_rec *r)
709 if (authn_ap_auth_type) {
710 return authn_ap_auth_type(r);
716 * Optional function coming from mod_authn_core, used for
717 * retrieving the authorization realm
719 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_name) *authn_ap_auth_name;
721 AP_DECLARE(const char *) ap_auth_name(request_rec *r)
723 if (authn_ap_auth_name) {
724 return authn_ap_auth_name(r);
730 * Optional function coming from mod_access_compat, used to determine how
731 access control interacts with authentication/authorization
733 static APR_OPTIONAL_FN_TYPE(access_compat_ap_satisfies) *access_compat_ap_satisfies;
735 AP_DECLARE(int) ap_satisfies(request_rec *r)
737 if (access_compat_ap_satisfies) {
738 return access_compat_ap_satisfies(r);
740 return SATISFY_NOSPEC;
743 AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */
745 core_server_config *sconf;
746 core_request_config *rconf = ap_get_core_module_config(r->request_config);
747 if (rconf->document_root)
748 return rconf->document_root;
749 sconf = ap_get_core_module_config(r->server->module_config);
750 return sconf->ap_document_root;
753 AP_DECLARE(const char *) ap_context_prefix(request_rec *r)
755 core_request_config *conf = ap_get_core_module_config(r->request_config);
756 if (conf->context_prefix)
757 return conf->context_prefix;
762 AP_DECLARE(const char *) ap_context_document_root(request_rec *r)
764 core_request_config *conf = ap_get_core_module_config(r->request_config);
765 if (conf->context_document_root)
766 return conf->context_document_root;
768 return ap_document_root(r);
771 AP_DECLARE(void) ap_set_document_root(request_rec *r, const char *document_root)
773 core_request_config *conf = ap_get_core_module_config(r->request_config);
774 conf->document_root = document_root;
777 AP_DECLARE(void) ap_set_context_info(request_rec *r, const char *context_prefix,
778 const char *context_document_root)
780 core_request_config *conf = ap_get_core_module_config(r->request_config);
782 conf->context_prefix = context_prefix;
783 if (context_document_root)
784 conf->context_document_root = context_document_root;
787 /* Should probably just get rid of this... the only code that cares is
788 * part of the core anyway (and in fact, it isn't publicised to other
792 char *ap_response_code_string(request_rec *r, int error_index)
794 core_dir_config *dirconf;
795 core_request_config *reqconf = ap_get_core_module_config(r->request_config);
797 /* check for string registered via ap_custom_response() first */
798 if (reqconf->response_code_strings != NULL &&
799 reqconf->response_code_strings[error_index] != NULL) {
800 return reqconf->response_code_strings[error_index];
803 /* check for string specified via ErrorDocument */
804 dirconf = ap_get_core_module_config(r->per_dir_config);
806 if (dirconf->response_code_strings == NULL) {
810 if (dirconf->response_code_strings[error_index] == &errordocument_default) {
814 return dirconf->response_code_strings[error_index];
818 /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
819 static APR_INLINE void do_double_reverse (conn_rec *conn)
824 if (conn->double_reverse) {
829 if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
830 /* single reverse failed, so don't bother */
831 conn->double_reverse = -1;
835 rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool);
836 if (rv == APR_SUCCESS) {
838 if (apr_sockaddr_equal(sa, conn->client_addr)) {
839 conn->double_reverse = 1;
847 conn->double_reverse = -1;
850 AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
851 int type, int *str_is_ip)
853 int hostname_lookups;
854 int ignored_str_is_ip;
856 if (!str_is_ip) { /* caller doesn't want to know */
857 str_is_ip = &ignored_str_is_ip;
861 /* If we haven't checked the host name, and we want to */
863 hostname_lookups = ((core_dir_config *)ap_get_core_module_config(dir_config))
866 if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
867 hostname_lookups = HOSTNAME_LOOKUP_OFF;
872 hostname_lookups = HOSTNAME_LOOKUP_OFF;
875 if (type != REMOTE_NOLOOKUP
876 && conn->remote_host == NULL
877 && (type == REMOTE_DOUBLE_REV
878 || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
880 if (apr_getnameinfo(&conn->remote_host, conn->client_addr, 0)
882 ap_str_tolower(conn->remote_host);
884 if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
885 do_double_reverse(conn);
886 if (conn->double_reverse != 1) {
887 conn->remote_host = NULL;
892 /* if failed, set it to the NULL string to indicate error */
893 if (conn->remote_host == NULL) {
894 conn->remote_host = "";
898 if (type == REMOTE_DOUBLE_REV) {
899 do_double_reverse(conn);
900 if (conn->double_reverse == -1) {
906 * Return the desired information; either the remote DNS name, if found,
907 * or either NULL (if the hostname was requested) or the IP address
908 * (if any identifier was requested).
910 if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
911 return conn->remote_host;
914 if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
919 return conn->client_ip;
925 * Optional function coming from mod_ident, used for looking up ident user
927 static APR_OPTIONAL_FN_TYPE(ap_ident_lookup) *ident_lookup;
929 AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r)
931 if (r->connection->remote_logname != NULL) {
932 return r->connection->remote_logname;
936 return ident_lookup(r);
942 /* There are two options regarding what the "name" of a server is. The
943 * "canonical" name as defined by ServerName and Port, or the "client's
944 * name" as supplied by a possible Host: header or full URI.
946 * The DNS option to UseCanonicalName causes this routine to do a
947 * reverse lookup on the local IP address of the connection and use
948 * that for the ServerName. This makes its value more reliable while
949 * at the same time allowing Demon's magic virtual hosting to work.
950 * The assumption is that DNS lookups are sufficiently quick...
953 AP_DECLARE(const char *) ap_get_server_name(request_rec *r)
955 conn_rec *conn = r->connection;
959 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
961 switch (d->use_canonical_name) {
962 case USE_CANONICAL_NAME_ON:
963 retval = r->server->server_hostname;
965 case USE_CANONICAL_NAME_DNS:
966 if (conn->local_host == NULL) {
967 if (apr_getnameinfo(&conn->local_host,
968 conn->local_addr, 0) != APR_SUCCESS)
969 conn->local_host = apr_pstrdup(conn->pool,
970 r->server->server_hostname);
972 ap_str_tolower(conn->local_host);
975 retval = conn->local_host;
977 case USE_CANONICAL_NAME_OFF:
978 case USE_CANONICAL_NAME_UNSET:
979 retval = r->hostname ? r->hostname : r->server->server_hostname;
982 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00109)
983 "ap_get_server_name: Invalid UCN Option somehow");
984 retval = "localhost";
991 * Get the current server name from the request for the purposes
992 * of using in a URL. If the server name is an IPv6 literal
993 * address, it will be returned in URL format (e.g., "[fe80::1]").
995 AP_DECLARE(const char *) ap_get_server_name_for_url(request_rec *r)
997 const char *plain_server_name = ap_get_server_name(r);
1000 if (ap_strchr_c(plain_server_name, ':')) { /* IPv6 literal? */
1001 return apr_psprintf(r->pool, "[%s]", plain_server_name);
1004 return plain_server_name;
1007 AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r)
1010 core_dir_config *d =
1011 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1013 switch (d->use_canonical_name) {
1014 case USE_CANONICAL_NAME_OFF:
1015 case USE_CANONICAL_NAME_DNS:
1016 case USE_CANONICAL_NAME_UNSET:
1017 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1018 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1019 r->connection->local_addr->port ? r->connection->local_addr->port :
1020 r->server->port ? r->server->port :
1022 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1023 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1024 r->server->port ? r->server->port :
1027 case USE_CANONICAL_NAME_ON:
1028 /* With UseCanonicalName on (and in all versions prior to 1.3)
1029 * Apache will use the hostname and port specified in the
1030 * ServerName directive to construct a canonical name for the
1031 * server. (If no port was specified in the ServerName
1032 * directive, Apache uses the port supplied by the client if
1033 * any is supplied, and finally the default port for the protocol
1036 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1037 port = r->server->port ? r->server->port :
1038 r->connection->local_addr->port ? r->connection->local_addr->port :
1040 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1041 port = r->server->port ? r->server->port :
1045 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00110)
1046 "ap_get_server_port: Invalid UCN Option somehow");
1047 port = ap_default_port(r);
1054 AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri,
1057 unsigned port = ap_get_server_port(r);
1058 const char *host = ap_get_server_name_for_url(r);
1060 if (ap_is_default_port(port, r)) {
1061 return apr_pstrcat(p, ap_http_scheme(r), "://", host, uri, NULL);
1064 return apr_psprintf(p, "%s://%s:%u%s", ap_http_scheme(r), host, port, uri);
1067 AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r)
1069 core_dir_config *d =
1070 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1072 if (d->limit_req_body == AP_LIMIT_REQ_BODY_UNSET) {
1073 return AP_DEFAULT_LIMIT_REQ_BODY;
1076 return d->limit_req_body;
1080 /*****************************************************************
1082 * Commands... this module handles almost all of the NCSA httpd.conf
1083 * commands, but most of the old srm.conf is in the the modules.
1087 /* returns a parent if it matches the given directive */
1088 static const ap_directive_t * find_parent(const ap_directive_t *dirp,
1091 while (dirp->parent != NULL) {
1092 dirp = dirp->parent;
1094 /* ### it would be nice to have atom-ized directives */
1095 if (strcasecmp(dirp->directive, what) == 0)
1102 AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd,
1105 const char *gt = (cmd->cmd->name[0] == '<'
1106 && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
1108 const ap_directive_t *found;
1110 if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
1111 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1112 " cannot occur within <VirtualHost> section", NULL);
1115 if ((forbidden & (NOT_IN_LIMIT | NOT_IN_DIR_LOC_FILE))
1116 && cmd->limited != -1) {
1117 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1118 " cannot occur within <Limit> or <LimitExcept> "
1122 if ((forbidden & NOT_IN_HTACCESS) && (cmd->pool == cmd->temp_pool)) {
1123 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1124 " cannot occur within htaccess files", NULL);
1127 if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE) {
1128 if (cmd->path != NULL) {
1129 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1130 " cannot occur within <Directory/Location/Files> "
1133 if (cmd->cmd->req_override & EXEC_ON_READ) {
1134 /* EXEC_ON_READ must be NOT_IN_DIR_LOC_FILE, if not, it will
1135 * (deliberately) segfault below in the individual tests...
1141 if (((forbidden & NOT_IN_DIRECTORY)
1142 && ((found = find_parent(cmd->directive, "<Directory"))
1143 || (found = find_parent(cmd->directive, "<DirectoryMatch"))))
1144 || ((forbidden & NOT_IN_LOCATION)
1145 && ((found = find_parent(cmd->directive, "<Location"))
1146 || (found = find_parent(cmd->directive, "<LocationMatch"))))
1147 || ((forbidden & NOT_IN_FILES)
1148 && ((found = find_parent(cmd->directive, "<Files"))
1149 || (found = find_parent(cmd->directive, "<FilesMatch"))))) {
1150 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1151 " cannot occur within ", found->directive,
1158 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1161 void *sconf = cmd->server->module_config;
1162 core_server_config *conf = ap_get_core_module_config(sconf);
1164 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1169 conf->access_name = apr_pstrdup(cmd->pool, arg);
1173 AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
1175 # define SMALL_EXPANSION 5
1180 } *result, *current, sresult[SMALL_EXPANSION];
1182 const char *s, *e, *ep;
1186 s = ap_strchr_c(word, '$');
1191 /* well, actually something to do */
1192 ep = word + strlen(word);
1194 result = current = &(sresult[spc++]);
1195 current->next = NULL;
1196 current->string = word;
1197 current->len = s - word;
1198 outlen = current->len;
1201 /* prepare next entry */
1203 current->next = (spc < SMALL_EXPANSION)
1205 : (struct sll *)apr_palloc(p,
1206 sizeof(*current->next));
1207 current = current->next;
1208 current->next = NULL;
1213 if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
1214 char *name = apr_pstrndup(p, s+2, e-s-2);
1216 if (server_config_defined_vars)
1217 word = apr_table_get(server_config_defined_vars, name);
1219 word = getenv(name);
1221 current->string = word;
1222 current->len = strlen(word);
1223 outlen += current->len;
1226 if (ap_strchr(name, ':') == 0)
1227 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL, APLOGNO(00111)
1228 "Config variable ${%s} is not defined",
1230 current->string = s;
1231 current->len = e - s + 1;
1232 outlen += current->len;
1237 current->string = s++;
1244 s = ap_strchr_c(s, '$');
1245 current->string = word;
1246 current->len = s ? s - word : ep - word;
1247 outlen += current->len;
1251 /* assemble result */
1252 res_buf = cp = apr_palloc(p, outlen + 1);
1255 memcpy(cp, result->string, result->len);
1258 result = result->next;
1260 res_buf[outlen] = '\0';
1265 static int reset_config_defines(void *dummy)
1267 ap_server_config_defines = saved_server_config_defines;
1268 server_config_defined_vars = NULL;
1273 * Make sure we can revert the effects of Define/UnDefine when restarting.
1274 * This function must be called once per loading of the config, before
1275 * ap_server_config_defines is changed. This may be during reading of the
1276 * config, which is even before the pre_config hook is run (due to
1277 * EXEC_ON_READ for Define/UnDefine).
1279 static void init_config_defines(apr_pool_t *pconf)
1281 saved_server_config_defines = ap_server_config_defines;
1282 /* Use apr_array_copy instead of apr_array_copy_hdr because it does not
1283 * protect from the way unset_define removes entries.
1285 ap_server_config_defines = apr_array_copy(pconf, ap_server_config_defines);
1288 static const char *set_define(cmd_parms *cmd, void *dummy,
1289 const char *name, const char *value)
1291 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1294 if (ap_strchr_c(name, ':') != NULL)
1295 return "Variable name must not contain ':'";
1297 if (!saved_server_config_defines)
1298 init_config_defines(cmd->pool);
1299 if (!ap_exists_config_define(name)) {
1300 char **newv = (char **)apr_array_push(ap_server_config_defines);
1301 *newv = apr_pstrdup(cmd->pool, name);
1304 if (!server_config_defined_vars)
1305 server_config_defined_vars = apr_table_make(cmd->pool, 5);
1306 apr_table_setn(server_config_defined_vars, name, value);
1312 static const char *unset_define(cmd_parms *cmd, void *dummy,
1317 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1320 if (ap_strchr_c(name, ':') != NULL)
1321 return "Variable name must not contain ':'";
1323 if (!saved_server_config_defines)
1324 init_config_defines(cmd->pool);
1326 defines = (char **)ap_server_config_defines->elts;
1327 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1328 if (strcmp(defines[i], name) == 0) {
1329 defines[i] = apr_array_pop(ap_server_config_defines);
1334 if (server_config_defined_vars) {
1335 apr_table_unset(server_config_defined_vars, name);
1341 static const char *generate_error(cmd_parms *cmd, void *dummy,
1344 if (!arg || !*arg) {
1345 return "The Error directive was used with no message.";
1348 if (*arg == '"' || *arg == '\'') { /* strip off quotes */
1349 apr_size_t len = strlen(arg);
1350 char last = *(arg + len - 1);
1353 return apr_pstrndup(cmd->pool, arg + 1, len - 2);
1361 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1363 void *sconf = cmd->server->module_config;
1364 core_server_config *conf = ap_get_core_module_config(sconf);
1366 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1371 conf->gprof_dir = arg;
1376 static const char *set_add_default_charset(cmd_parms *cmd,
1377 void *d_, const char *arg)
1379 core_dir_config *d = d_;
1381 if (!strcasecmp(arg, "Off")) {
1382 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1384 else if (!strcasecmp(arg, "On")) {
1385 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1386 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1389 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1390 d->add_default_charset_name = arg;
1396 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1399 void *sconf = cmd->server->module_config;
1400 core_server_config *conf = ap_get_core_module_config(sconf);
1402 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1407 /* When ap_document_root_check is false; skip all the stuff below */
1408 if (!ap_document_root_check) {
1409 conf->ap_document_root = arg;
1413 /* Make it absolute, relative to ServerRoot */
1414 arg = ap_server_root_relative(cmd->pool, arg);
1416 return "DocumentRoot must be a directory";
1419 /* TODO: ap_configtestonly */
1420 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1421 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1422 || !ap_is_directory(cmd->pool, arg)) {
1423 if (cmd->server->is_virtual) {
1424 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0,
1425 cmd->pool, APLOGNO(00112)
1426 "Warning: DocumentRoot [%s] does not exist",
1428 conf->ap_document_root = arg;
1431 return "DocumentRoot must be a directory";
1437 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1440 core_request_config *conf = ap_get_core_module_config(r->request_config);
1443 if (conf->response_code_strings == NULL) {
1444 conf->response_code_strings =
1445 apr_pcalloc(r->pool,
1446 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1449 idx = ap_index_of_response(status);
1451 conf->response_code_strings[idx] =
1452 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1453 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1456 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1457 const char *errno_str, const char *msg)
1459 core_dir_config *conf = conf_;
1460 int error_number, index_number, idx500;
1461 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1463 /* 1st parameter should be a 3 digit number, which we recognize;
1464 * convert it into an array index
1466 error_number = atoi(errno_str);
1467 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1469 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1470 index_number = idx500;
1472 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1473 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1477 /* Heuristic to determine second argument. */
1478 if (ap_strchr_c(msg,' '))
1480 else if (msg[0] == '/')
1482 else if (ap_is_url(msg))
1487 /* The entry should be ignored if it is a full URL for a 401 error */
1489 if (error_number == 401 && what == REMOTE_PATH) {
1490 ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server, APLOGNO(00113)
1491 "cannot use a full URL in a 401 ErrorDocument "
1492 "directive --- ignoring!");
1494 else { /* Store it... */
1495 if (conf->response_code_strings == NULL) {
1496 conf->response_code_strings =
1497 apr_pcalloc(cmd->pool,
1498 sizeof(*conf->response_code_strings) *
1502 if (strcmp(msg, "default") == 0) {
1503 /* special case: ErrorDocument 404 default restores the
1504 * canned server error response
1506 conf->response_code_strings[index_number] = &errordocument_default;
1509 /* hack. Prefix a " if it is a msg; as that is what
1510 * http_protocol.c relies on to distinguish between
1511 * a msg and a (local) path.
1513 conf->response_code_strings[index_number] = (what == MSG) ?
1514 apr_pstrcat(cmd->pool, "\"",msg,NULL) :
1515 apr_pstrdup(cmd->pool, msg);
1522 static const char *set_allow_opts(cmd_parms *cmd, allow_options_t *opts,
1525 allow_options_t opt;
1528 char *w, *p = (char *) l;
1531 while ((w = apr_strtok(p, ",", &tok_state)) != NULL) {
1539 if (!strcasecmp(w, "Indexes")) {
1542 else if (!strcasecmp(w, "Includes")) {
1543 /* If Includes is permitted, both Includes and
1544 * IncludesNOEXEC may be changed. */
1545 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1547 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1550 else if (!strcasecmp(w, "FollowSymLinks")) {
1551 opt = OPT_SYM_LINKS;
1553 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1554 opt = OPT_SYM_OWNER;
1556 else if (!strcasecmp(w, "ExecCGI")) {
1559 else if (!strcasecmp(w, "MultiViews")) {
1562 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1563 opt = OPT_MULTI|OPT_EXECCGI;
1565 else if (!strcasecmp(w, "None")) {
1568 else if (!strcasecmp(w, "All")) {
1572 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1578 (*opts) &= (~OPT_UNSET);
1583 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1585 core_dir_config *d = d_;
1590 /* Throw a warning if we're in <Location> or <Files> */
1591 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1592 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00114)
1593 "Useless use of AllowOverride in line %d of %s.",
1594 cmd->directive->line_num, cmd->directive->filename);
1596 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1599 d->override = OR_NONE;
1601 w = ap_getword_conf(cmd->temp_pool, &l);
1609 if (!strcasecmp(w, "Limit")) {
1610 d->override |= OR_LIMIT;
1612 else if (!strcasecmp(k, "Options")) {
1613 d->override |= OR_OPTIONS;
1615 set_allow_opts(cmd, &(d->override_opts), v);
1617 d->override_opts = OPT_SYM_LINKS;
1619 else if (!strcasecmp(w, "FileInfo")) {
1620 d->override |= OR_FILEINFO;
1622 else if (!strcasecmp(w, "AuthConfig")) {
1623 d->override |= OR_AUTHCFG;
1625 else if (!strcasecmp(w, "Indexes")) {
1626 d->override |= OR_INDEXES;
1628 else if (!strcasecmp(w, "Nonfatal")) {
1629 if (!strcasecmp(v, "Override")) {
1630 d->override |= NONFATAL_OVERRIDE;
1632 else if (!strcasecmp(v, "Unknown")) {
1633 d->override |= NONFATAL_UNKNOWN;
1635 else if (!strcasecmp(v, "All")) {
1636 d->override |= NONFATAL_ALL;
1639 else if (!strcasecmp(w, "None")) {
1640 d->override = OR_NONE;
1642 else if (!strcasecmp(w, "All")) {
1643 d->override = OR_ALL;
1646 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1649 d->override &= ~OR_UNSET;
1655 static const char *set_override_list(cmd_parms *cmd, void *d_, int argc, char *const argv[])
1657 core_dir_config *d = d_;
1661 /* Throw a warning if we're in <Location> or <Files> */
1662 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1663 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00115)
1664 "Useless use of AllowOverrideList in line %d of %s.",
1665 cmd->directive->line_num, cmd->directive->filename);
1667 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1670 d->override_list = apr_table_make(cmd->pool, 1);
1672 for (i=0;i<argc;i++){
1673 if (!strcasecmp(argv[i], "None")) {
1677 const command_rec *result = NULL;
1678 module *mod = ap_top_module;
1679 result = ap_find_command_in_modules(argv[i], &mod);
1681 apr_table_set(d->override_list, argv[i], "1");
1683 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00116)
1684 "Discarding unrecognized directive `%s' in AllowOverrideList.",
1692 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1694 core_dir_config *d = d_;
1695 allow_options_t opt;
1702 char *w = ap_getword_conf(cmd->temp_pool, &l);
1705 if (*w == '+' || *w == '-') {
1707 if (!merge && !first && !all_none) {
1708 return "Either all Options must start with + or -, or no Option may.";
1716 return "Either all Options must start with + or -, or no Option may.";
1719 if (!strcasecmp(w, "Indexes")) {
1722 else if (!strcasecmp(w, "Includes")) {
1723 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1725 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1728 else if (!strcasecmp(w, "FollowSymLinks")) {
1729 opt = OPT_SYM_LINKS;
1731 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1732 opt = OPT_SYM_OWNER;
1734 else if (!strcasecmp(w, "ExecCGI")) {
1737 else if (!strcasecmp(w, "MultiViews")) {
1740 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1741 opt = OPT_MULTI|OPT_EXECCGI;
1743 else if (!strcasecmp(w, "None")) {
1745 return "'Options None' must be the first Option given.";
1747 else if (merge) { /* Only works since None may not follow any other option. */
1748 return "You may not use 'Options +None' or 'Options -None'.";
1753 else if (!strcasecmp(w, "All")) {
1755 return "'Options All' must be the first option given.";
1757 else if (merge) { /* Only works since All may not follow any other option. */
1758 return "You may not use 'Options +All' or 'Options -All'.";
1764 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1767 if ( (cmd->override_opts & opt) != opt ) {
1768 return apr_pstrcat(cmd->pool, "Option ", w, " not allowed here", NULL);
1770 else if (action == '-') {
1771 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1772 d->opts_remove |= opt;
1773 d->opts_add &= ~opt;
1776 else if (action == '+') {
1778 d->opts_remove &= ~opt;
1791 static const char *set_default_type(cmd_parms *cmd, void *d_,
1794 if ((strcasecmp(arg, "off") != 0) && (strcasecmp(arg, "none") != 0)) {
1795 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00117)
1796 "Ignoring deprecated use of DefaultType in line %d of %s.",
1797 cmd->directive->line_num, cmd->directive->filename);
1804 * Note what data should be used when forming file ETag values.
1805 * It would be nicer to do this as an ITERATE, but then we couldn't
1806 * remember the +/- state properly.
1808 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1811 core_dir_config *cfg;
1812 etag_components_t bit;
1820 cfg = (core_dir_config *)mconfig;
1825 while (args[0] != '\0') {
1829 token = ap_getword_conf(cmd->temp_pool, &args);
1830 if ((*token == '+') || (*token == '-')) {
1836 * The occurrence of an absolute setting wipes
1837 * out any previous relative ones. The first such
1838 * occurrence forgets any inherited ones, too.
1841 cfg->etag_bits = ETAG_UNSET;
1842 cfg->etag_add = ETAG_UNSET;
1843 cfg->etag_remove = ETAG_UNSET;
1848 if (strcasecmp(token, "None") == 0) {
1849 if (action != '*') {
1853 cfg->etag_bits = bit = ETAG_NONE;
1857 else if (strcasecmp(token, "All") == 0) {
1858 if (action != '*') {
1863 cfg->etag_bits = bit = ETAG_ALL;
1866 else if (strcasecmp(token, "Size") == 0) {
1869 else if ((strcasecmp(token, "LMTime") == 0)
1870 || (strcasecmp(token, "MTime") == 0)
1871 || (strcasecmp(token, "LastModified") == 0)) {
1874 else if (strcasecmp(token, "INode") == 0) {
1878 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1879 token, "' for ", cmd->cmd->name,
1880 " directive", NULL);
1884 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1885 token, "' cannot be used with '+' or '-'",
1889 if (action == '+') {
1891 * Make sure it's in the 'add' list and absent from the
1894 cfg->etag_add |= bit;
1895 cfg->etag_remove &= (~ bit);
1897 else if (action == '-') {
1898 cfg->etag_remove |= bit;
1899 cfg->etag_add &= (~ bit);
1903 * Non-relative values wipe out any + or - values
1904 * accumulated so far.
1906 cfg->etag_bits |= bit;
1907 cfg->etag_add = ETAG_UNSET;
1908 cfg->etag_remove = ETAG_UNSET;
1914 * Any setting at all will clear the 'None' and 'Unset' bits.
1917 if (cfg->etag_add != ETAG_UNSET) {
1918 cfg->etag_add &= (~ ETAG_UNSET);
1921 if (cfg->etag_remove != ETAG_UNSET) {
1922 cfg->etag_remove &= (~ ETAG_UNSET);
1926 cfg->etag_bits &= (~ ETAG_UNSET);
1928 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1929 cfg->etag_bits &= (~ ETAG_NONE);
1936 static const char *set_enable_mmap(cmd_parms *cmd, void *d_,
1939 core_dir_config *d = d_;
1941 if (strcasecmp(arg, "on") == 0) {
1942 d->enable_mmap = ENABLE_MMAP_ON;
1944 else if (strcasecmp(arg, "off") == 0) {
1945 d->enable_mmap = ENABLE_MMAP_OFF;
1948 return "parameter must be 'on' or 'off'";
1954 static const char *set_enable_sendfile(cmd_parms *cmd, void *d_,
1957 core_dir_config *d = d_;
1959 if (strcasecmp(arg, "on") == 0) {
1960 d->enable_sendfile = ENABLE_SENDFILE_ON;
1962 else if (strcasecmp(arg, "off") == 0) {
1963 d->enable_sendfile = ENABLE_SENDFILE_OFF;
1966 return "parameter must be 'on' or 'off'";
1974 * Report a missing-'>' syntax error.
1976 static char *unclosed_directive(cmd_parms *cmd)
1978 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1979 "> directive missing closing '>'", NULL);
1983 * Report a missing args in '<Foo >' syntax error.
1985 static char *missing_container_arg(cmd_parms *cmd)
1987 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1988 "> directive requires additional arguments", NULL);
1991 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
1995 const char *endp = ap_strrchr_c(arg, '>');
1996 const char *limited_methods;
1997 void *tog = cmd->cmd->cmd_data;
1998 apr_int64_t limited = 0;
1999 apr_int64_t old_limited = cmd->limited;
2003 return unclosed_directive(cmd);
2006 limited_methods = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2008 if (!limited_methods[0]) {
2009 return missing_container_arg(cmd);
2012 while (limited_methods[0]) {
2013 char *method = ap_getword_conf(cmd->temp_pool, &limited_methods);
2016 /* check for builtin or module registered method number */
2017 methnum = ap_method_number_of(method);
2019 if (methnum == M_TRACE && !tog) {
2020 return "TRACE cannot be controlled by <Limit>, see TraceEnable";
2022 else if (methnum == M_INVALID) {
2023 /* method has not been registered yet, but resorce restriction
2024 * is always checked before method handling, so register it.
2026 methnum = ap_method_register(cmd->pool,
2027 apr_pstrdup(cmd->pool, method));
2030 limited |= (AP_METHOD_BIT << methnum);
2033 /* Killing two features with one function,
2034 * if (tog == NULL) <Limit>, else <LimitExcept>
2036 limited = tog ? ~limited : limited;
2038 if (!(old_limited & limited)) {
2039 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2040 "> directive excludes all methods", NULL);
2042 else if ((old_limited & limited) == old_limited) {
2043 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2044 "> directive specifies methods already excluded",
2048 cmd->limited &= limited;
2050 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
2052 cmd->limited = old_limited;
2057 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
2058 * the same problem!!!
2059 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
2060 * people don't get bitten by wrong-cased regex matches
2064 #define USE_ICASE AP_REG_ICASE
2069 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
2072 const char *endp = ap_strrchr_c(arg, '>');
2073 int old_overrides = cmd->override;
2074 char *old_path = cmd->path;
2075 core_dir_config *conf;
2076 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
2077 ap_regex_t *r = NULL;
2078 const command_rec *thiscmd = cmd->cmd;
2080 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2086 return unclosed_directive(cmd);
2089 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2092 return missing_container_arg(cmd);
2095 cmd->path = ap_getword_conf(cmd->pool, &arg);
2096 cmd->override = OR_ALL|ACCESS_CONF;
2098 if (!strcmp(cmd->path, "~")) {
2099 cmd->path = ap_getword_conf(cmd->pool, &arg);
2101 return "<Directory ~ > block must specify a path";
2102 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2104 return "Regex could not be compiled";
2107 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
2108 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2110 return "Regex could not be compiled";
2113 else if (!strcmp(cmd->path, "/") == 0)
2118 * Ensure that the pathname is canonical, and append the trailing /
2120 apr_status_t rv = apr_filepath_merge(&newpath, NULL, cmd->path,
2121 APR_FILEPATH_TRUENAME, cmd->pool);
2122 if (rv != APR_SUCCESS && rv != APR_EPATHWILD) {
2123 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
2124 "\"> path is invalid.", NULL);
2127 cmd->path = newpath;
2128 if (cmd->path[strlen(cmd->path) - 1] != '/')
2129 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
2132 /* initialize our config and fetch it */
2133 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
2134 &core_module, cmd->pool);
2136 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
2141 conf->d = cmd->path;
2142 conf->d_is_fnmatch = (apr_fnmatch_test(conf->d) != 0);
2144 /* Make this explicit - the "/" root has 0 elements, that is, we
2145 * will always merge it, and it will always sort and merge first.
2146 * All others are sorted and tested by the number of slashes.
2148 if (strcmp(conf->d, "/") == 0)
2149 conf->d_components = 0;
2151 conf->d_components = ap_count_dirs(conf->d);
2153 ap_add_per_dir_conf(cmd->server, new_dir_conf);
2156 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2157 "> arguments not (yet) supported.", NULL);
2160 cmd->path = old_path;
2161 cmd->override = old_overrides;
2166 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
2169 const char *endp = ap_strrchr_c(arg, '>');
2170 int old_overrides = cmd->override;
2171 char *old_path = cmd->path;
2172 core_dir_config *conf;
2173 ap_regex_t *r = NULL;
2174 const command_rec *thiscmd = cmd->cmd;
2175 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
2176 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2182 return unclosed_directive(cmd);
2185 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2188 return missing_container_arg(cmd);
2191 cmd->path = ap_getword_conf(cmd->pool, &arg);
2192 cmd->override = OR_ALL|ACCESS_CONF;
2194 if (thiscmd->cmd_data) { /* <LocationMatch> */
2195 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2197 return "Regex could not be compiled";
2200 else if (!strcmp(cmd->path, "~")) {
2201 cmd->path = ap_getword_conf(cmd->pool, &arg);
2202 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2204 return "Regex could not be compiled";
2208 /* initialize our config and fetch it */
2209 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
2210 &core_module, cmd->pool);
2212 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
2216 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
2217 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2220 ap_add_per_url_conf(cmd->server, new_url_conf);
2223 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2224 "> arguments not (yet) supported.", NULL);
2227 cmd->path = old_path;
2228 cmd->override = old_overrides;
2233 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
2236 const char *endp = ap_strrchr_c(arg, '>');
2237 int old_overrides = cmd->override;
2238 char *old_path = cmd->path;
2239 core_dir_config *conf;
2240 ap_regex_t *r = NULL;
2241 const command_rec *thiscmd = cmd->cmd;
2242 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
2243 const char *err = ap_check_cmd_context(cmd,
2244 NOT_IN_LOCATION | NOT_IN_LIMIT);
2251 return unclosed_directive(cmd);
2254 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2257 return missing_container_arg(cmd);
2260 cmd->path = ap_getword_conf(cmd->pool, &arg);
2261 /* Only if not an .htaccess file */
2263 cmd->override = OR_ALL|ACCESS_CONF;
2266 if (thiscmd->cmd_data) { /* <FilesMatch> */
2267 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2269 return "Regex could not be compiled";
2272 else if (!strcmp(cmd->path, "~")) {
2273 cmd->path = ap_getword_conf(cmd->pool, &arg);
2274 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2276 return "Regex could not be compiled";
2281 /* Ensure that the pathname is canonical, but we
2282 * can't test the case/aliases without a fixed path */
2283 if (apr_filepath_merge(&newpath, "", cmd->path,
2284 0, cmd->pool) != APR_SUCCESS)
2285 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
2286 "\"> is invalid.", NULL);
2287 cmd->path = newpath;
2290 /* initialize our config and fetch it */
2291 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
2292 &core_module, cmd->pool);
2294 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
2298 conf->d = cmd->path;
2299 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2302 ap_add_file_conf(cmd->pool, (core_dir_config *)mconfig, new_file_conf);
2305 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2306 "> arguments not (yet) supported.", NULL);
2309 cmd->path = old_path;
2310 cmd->override = old_overrides;
2315 #define COND_IF ((void *)1)
2316 #define COND_ELSE ((void *)2)
2317 #define COND_ELSEIF ((void *)3)
2319 static const char *ifsection(cmd_parms *cmd, void *mconfig, const char *arg)
2322 const char *endp = ap_strrchr_c(arg, '>');
2323 int old_overrides = cmd->override;
2324 char *old_path = cmd->path;
2325 core_dir_config *conf;
2326 const command_rec *thiscmd = cmd->cmd;
2327 ap_conf_vector_t *new_if_conf = ap_create_per_dir_config(cmd->pool);
2328 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2329 const char *condition;
2330 const char *expr_err;
2337 return unclosed_directive(cmd);
2340 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2343 /* Only if not an .htaccess file */
2345 cmd->override = OR_ALL|ACCESS_CONF;
2348 /* initialize our config and fetch it */
2349 conf = ap_set_config_vectors(cmd->server, new_if_conf, cmd->path,
2350 &core_module, cmd->pool);
2352 if (cmd->cmd->cmd_data == COND_IF)
2353 conf->condition_ifelse = AP_CONDITION_IF;
2354 else if (cmd->cmd->cmd_data == COND_ELSEIF)
2355 conf->condition_ifelse = AP_CONDITION_ELSEIF;
2356 else if (cmd->cmd->cmd_data == COND_ELSE)
2357 conf->condition_ifelse = AP_CONDITION_ELSE;
2361 if (conf->condition_ifelse == AP_CONDITION_ELSE) {
2363 return "<Else> does not take an argument";
2367 return missing_container_arg(cmd);
2368 condition = ap_getword_conf(cmd->pool, &arg);
2369 conf->condition = ap_expr_parse_cmd(cmd, condition, 0, &expr_err, NULL);
2371 return apr_psprintf(cmd->pool, "Cannot parse condition clause: %s",
2375 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_if_conf);
2379 conf->d = cmd->path;
2380 conf->d_is_fnmatch = 0;
2383 errmsg = ap_add_if_conf(cmd->pool, (core_dir_config *)mconfig, new_if_conf);
2388 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2389 "> arguments not supported.", NULL);
2392 cmd->path = old_path;
2393 cmd->override = old_overrides;
2398 static module *find_module(server_rec *s, const char *name)
2400 module *found = ap_find_linked_module(name);
2402 /* search prelinked stuff */
2404 ap_module_symbol_t *current = ap_prelinked_module_symbols;
2406 for (; current->name; ++current) {
2407 if (!strcmp(current->name, name)) {
2408 found = current->modp;
2414 /* search dynamic stuff */
2416 APR_OPTIONAL_FN_TYPE(ap_find_loaded_module_symbol) *check_symbol =
2417 APR_RETRIEVE_OPTIONAL_FN(ap_find_loaded_module_symbol);
2421 * There are two phases where calling ap_find_loaded_module_symbol
2424 * During reading of the config, ap_server_conf is invalid but s
2425 * points to the main server config, if passed from cmd->server
2426 * of an EXEC_ON_READ directive.
2428 * During config parsing, s may be a virtual host that would cause
2429 * a segfault in mod_so if passed to ap_find_loaded_module_symbol,
2430 * because mod_so's server config for vhosts is initialized later.
2431 * But ap_server_conf is already set at this time.
2433 * Therefore we use s if it is not virtual and ap_server_conf if
2436 found = check_symbol(s->is_virtual ? ap_server_conf : s, name);
2444 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
2446 const char *endp = ap_strrchr_c(arg, '>');
2447 int not = (arg[0] == '!');
2451 return unclosed_directive(cmd);
2454 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2461 return missing_container_arg(cmd);
2464 found = find_module(cmd->server, arg);
2466 if ((!not && found) || (not && !found)) {
2467 ap_directive_t *parent = NULL;
2468 ap_directive_t *current = NULL;
2471 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2472 ¤t, &parent, "<IfModule");
2473 *(ap_directive_t **)mconfig = current;
2477 *(ap_directive_t **)mconfig = NULL;
2478 return ap_soak_end_container(cmd, "<IfModule");
2482 AP_DECLARE(int) ap_exists_config_define(const char *name)
2487 defines = (char **)ap_server_config_defines->elts;
2488 for (i = 0; i < ap_server_config_defines->nelts; i++) {
2489 if (strcmp(defines[i], name) == 0) {
2497 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
2503 endp = ap_strrchr_c(arg, '>');
2505 return unclosed_directive(cmd);
2508 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2510 if (arg[0] == '!') {
2516 return missing_container_arg(cmd);
2519 defined = ap_exists_config_define(arg);
2520 if ((!not && defined) || (not && !defined)) {
2521 ap_directive_t *parent = NULL;
2522 ap_directive_t *current = NULL;
2525 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2526 ¤t, &parent, "<IfDefine");
2527 *(ap_directive_t **)dummy = current;
2531 *(ap_directive_t **)dummy = NULL;
2532 return ap_soak_end_container(cmd, "<IfDefine");
2536 /* httpd.conf commands... beginning with the <VirtualHost> business */
2538 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
2541 server_rec *main_server = cmd->server, *s;
2543 const char *endp = ap_strrchr_c(arg, '>');
2544 apr_pool_t *p = cmd->pool;
2546 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2552 return unclosed_directive(cmd);
2555 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2558 return missing_container_arg(cmd);
2561 /* FIXME: There's another feature waiting to happen here -- since you
2562 can now put multiple addresses/names on a single <VirtualHost>
2563 you might want to use it to group common definitions and then
2564 define other "subhosts" with their individual differences. But
2565 personally I'd rather just do it with a macro preprocessor. -djg */
2566 if (main_server->is_virtual) {
2567 return "<VirtualHost> doesn't nest!";
2570 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
2575 s->next = main_server->next;
2576 main_server->next = s;
2578 s->defn_name = cmd->directive->filename;
2579 s->defn_line_number = cmd->directive->line_num;
2583 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
2584 s->lookup_defaults);
2586 cmd->server = main_server;
2591 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
2594 if (!cmd->server->names) {
2595 return "ServerAlias only used in <VirtualHost>";
2599 char **item, *name = ap_getword_conf(cmd->pool, &arg);
2601 if (ap_is_matchexp(name)) {
2602 item = (char **)apr_array_push(cmd->server->wild_names);
2605 item = (char **)apr_array_push(cmd->server->names);
2614 static const char *set_accf_map(cmd_parms *cmd, void *dummy,
2615 const char *iproto, const char* iaccf)
2617 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2618 core_server_config *conf =
2619 ap_get_core_module_config(cmd->server->module_config);
2626 proto = apr_pstrdup(cmd->pool, iproto);
2627 ap_str_tolower(proto);
2628 accf = apr_pstrdup(cmd->pool, iaccf);
2629 ap_str_tolower(accf);
2630 apr_table_setn(conf->accf_map, proto, accf);
2635 AP_DECLARE(const char*) ap_get_server_protocol(server_rec* s)
2637 core_server_config *conf = ap_get_core_module_config(s->module_config);
2638 return conf->protocol;
2641 AP_DECLARE(void) ap_set_server_protocol(server_rec* s, const char* proto)
2643 core_server_config *conf = ap_get_core_module_config(s->module_config);
2644 conf->protocol = proto;
2647 static const char *set_protocol(cmd_parms *cmd, void *dummy,
2650 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2651 core_server_config *conf =
2652 ap_get_core_module_config(cmd->server->module_config);
2659 proto = apr_pstrdup(cmd->pool, arg);
2660 ap_str_tolower(proto);
2661 conf->protocol = proto;
2666 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
2669 /* This one's pretty generic... */
2671 int offset = (int)(long)cmd->info;
2672 char *struct_ptr = (char *)cmd->server;
2674 const char *err = ap_check_cmd_context(cmd,
2675 NOT_IN_DIR_LOC_FILE);
2680 *(const char **)(struct_ptr + offset) = arg;
2685 * The ServerName directive takes one argument with format
2686 * [scheme://]fully-qualified-domain-name[:port], for instance
2687 * ServerName www.example.com
2688 * ServerName www.example.com:80
2689 * ServerName https://www.example.com:443
2692 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
2694 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2695 const char *portstr, *part;
2703 if (apr_fnmatch_test(arg))
2704 return apr_pstrcat(cmd->temp_pool, "Invalid ServerName \"", arg,
2705 "\" use ServerAlias to set multiple server names.", NULL);
2707 part = ap_strstr_c(arg, "://");
2710 scheme = apr_pstrndup(cmd->pool, arg, part - arg);
2711 ap_str_tolower(scheme);
2712 cmd->server->server_scheme = (const char *)scheme;
2718 portstr = ap_strchr_c(part, ':');
2720 cmd->server->server_hostname = apr_pstrndup(cmd->pool, part,
2723 port = atoi(portstr);
2724 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
2725 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
2726 "\" is outside the appropriate range "
2727 "(i.e., 1..65535).", NULL);
2731 cmd->server->server_hostname = apr_pstrdup(cmd->pool, part);
2735 cmd->server->port = port;
2739 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
2742 core_dir_config *d = d_;
2744 if (strcasecmp(arg, "On") == 0) {
2745 d->server_signature = srv_sig_on;
2747 else if (strcasecmp(arg, "Off") == 0) {
2748 d->server_signature = srv_sig_off;
2750 else if (strcasecmp(arg, "EMail") == 0) {
2751 d->server_signature = srv_sig_withmail;
2754 return "ServerSignature: use one of: off | on | email";
2760 static const char *set_server_root(cmd_parms *cmd, void *dummy,
2763 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2769 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
2770 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2771 || !ap_is_directory(cmd->temp_pool, ap_server_root)) {
2772 return "ServerRoot must be a valid directory";
2778 static const char *set_runtime_dir(cmd_parms *cmd, void *dummy, const char *arg)
2780 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2786 if ((apr_filepath_merge((char**)&ap_runtime_dir, NULL,
2787 ap_server_root_relative(cmd->pool, arg),
2788 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2789 || !ap_is_directory(cmd->temp_pool, ap_runtime_dir)) {
2790 return "DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot";
2796 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2798 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2804 cmd->server->timeout = apr_time_from_sec(atoi(arg));
2808 static const char *set_allow2f(cmd_parms *cmd, void *d_, const char *arg)
2810 core_dir_config *d = d_;
2812 if (0 == strcasecmp(arg, "on")) {
2813 d->allow_encoded_slashes = 1;
2814 d->decode_encoded_slashes = 1; /* for compatibility with 2.0 & 2.2 */
2815 } else if (0 == strcasecmp(arg, "off")) {
2816 d->allow_encoded_slashes = 0;
2817 d->decode_encoded_slashes = 0;
2818 } else if (0 == strcasecmp(arg, "nodecode")) {
2819 d->allow_encoded_slashes = 1;
2820 d->decode_encoded_slashes = 0;
2822 return apr_pstrcat(cmd->pool,
2823 cmd->cmd->name, " must be On, Off, or NoDecode",
2829 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2832 core_dir_config *d = d_;
2834 if (!strcasecmp(arg, "on")) {
2835 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2837 else if (!strcasecmp(arg, "off")) {
2838 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2840 else if (!strcasecmp(arg, "double")) {
2841 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2844 return "parameter must be 'on', 'off', or 'double'";
2850 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2853 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2859 cmd->server->path = arg;
2860 cmd->server->pathlen = (int)strlen(arg);
2864 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2866 core_dir_config *d = d_;
2868 d->content_md5 = arg ? AP_CONTENT_MD5_ON : AP_CONTENT_MD5_OFF;
2872 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2874 core_dir_config *d = d_;
2876 if (strcasecmp(arg, "on") == 0) {
2877 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2879 else if (strcasecmp(arg, "off") == 0) {
2880 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2882 else if (strcasecmp(arg, "default") == 0) {
2883 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2886 return "AcceptPathInfo must be set to on, off or default";
2892 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2895 core_dir_config *d = d_;
2897 if (strcasecmp(arg, "on") == 0) {
2898 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2900 else if (strcasecmp(arg, "off") == 0) {
2901 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2903 else if (strcasecmp(arg, "dns") == 0) {
2904 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2907 return "parameter must be 'on', 'off', or 'dns'";
2913 static const char *set_use_canonical_phys_port(cmd_parms *cmd, void *d_,
2916 core_dir_config *d = d_;
2918 if (strcasecmp(arg, "on") == 0) {
2919 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_ON;
2921 else if (strcasecmp(arg, "off") == 0) {
2922 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_OFF;
2925 return "parameter must be 'on' or 'off'";
2931 static const char *include_config (cmd_parms *cmd, void *dummy,
2934 ap_directive_t *conftree = NULL;
2935 const char *conffile, *error;
2936 unsigned *recursion;
2937 int optional = cmd->cmd->cmd_data ? 1 : 0;
2940 apr_pool_userdata_get(&data, "ap_include_sentinel", cmd->pool);
2945 data = recursion = apr_palloc(cmd->pool, sizeof(*recursion));
2947 apr_pool_userdata_setn(data, "ap_include_sentinel", NULL, cmd->pool);
2950 if (++*recursion > AP_MAX_INCLUDE_DEPTH) {
2952 return apr_psprintf(cmd->pool, "Exceeded maximum include depth of %u, "
2953 "There appears to be a recursion.",
2954 AP_MAX_INCLUDE_DEPTH);
2957 conffile = ap_server_root_relative(cmd->pool, name);
2960 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2964 error = ap_process_fnmatch_configs(cmd->server, conffile, &conftree,
2965 cmd->pool, cmd->temp_pool,
2972 *(ap_directive_t **)dummy = conftree;
2974 /* recursion level done */
2982 static const char *set_loglevel(cmd_parms *cmd, void *config_, const char *arg_)
2987 char *arg = apr_pstrdup(cmd->temp_pool, arg_);
2988 struct ap_logconf *log;
2992 core_dir_config *dconf = config_;
2994 dconf->log = ap_new_log_config(cmd->pool, NULL);
2999 log = &cmd->server->log;
3003 return "LogLevel requires level keyword or module loglevel specifier";
3005 level_str = ap_strrchr(arg, ':');
3007 if (level_str == NULL) {
3008 err = ap_parse_log_level(arg, &log->level);
3011 ap_reset_module_loglevels(log, APLOG_NO_MODULE);
3012 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3013 "Setting LogLevel for all modules to %s", arg);
3017 *level_str++ = '\0';
3019 return apr_psprintf(cmd->temp_pool, "Module specifier '%s' must be "
3020 "followed by a log level keyword", arg);
3023 err = ap_parse_log_level(level_str, &level);
3025 return apr_psprintf(cmd->temp_pool, "%s:%s: %s", arg, level_str, err);
3027 if ((module = find_module(cmd->server, arg)) == NULL) {
3028 char *name = apr_psprintf(cmd->temp_pool, "%s_module", arg);
3029 ap_log_error(APLOG_MARK, APLOG_TRACE6, 0, cmd->server,
3030 "Cannot find module '%s', trying '%s'", arg, name);
3031 module = find_module(cmd->server, name);
3034 if (module == NULL) {
3035 return apr_psprintf(cmd->temp_pool, "Cannot find module %s", arg);
3038 ap_set_module_loglevel(cmd->pool, log, module->module_index, level);
3039 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3040 "Setting LogLevel for module %s to %s", module->name,
3046 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
3049 core_dir_config *conf;
3051 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
3052 if ((conf->server_signature == srv_sig_off)
3053 || (conf->server_signature == srv_sig_unset)) {
3057 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
3059 if (conf->server_signature == srv_sig_withmail) {
3060 return apr_pstrcat(r->pool, prefix, "<address>",
3061 ap_get_server_banner(),
3062 " Server at <a href=\"",
3063 ap_is_url(r->server->server_admin) ? "" : "mailto:",
3064 ap_escape_html(r->pool, r->server->server_admin),
3066 ap_escape_html(r->pool, ap_get_server_name(r)),
3067 "</a> Port ", sport,
3068 "</address>\n", NULL);
3071 return apr_pstrcat(r->pool, prefix, "<address>", ap_get_server_banner(),
3073 ap_escape_html(r->pool, ap_get_server_name(r)),
3075 "</address>\n", NULL);
3079 * Handle a request to include the server's OS platform in the Server
3080 * response header field (the ServerTokens directive). Unfortunately
3081 * this requires a new global in order to communicate the setting back to
3082 * http_main so it can insert the information in the right place in the
3086 static char *server_banner = NULL;
3087 static int banner_locked = 0;
3088 static const char *server_description = NULL;
3090 enum server_token_type {
3091 SrvTk_MAJOR, /* eg: Apache/2 */
3092 SrvTk_MINOR, /* eg. Apache/2.0 */
3093 SrvTk_MINIMAL, /* eg: Apache/2.0.41 */
3094 SrvTk_OS, /* eg: Apache/2.0.41 (UNIX) */
3095 SrvTk_FULL, /* eg: Apache/2.0.41 (UNIX) PHP/4.2.2 FooBar/1.2b */
3096 SrvTk_PRODUCT_ONLY /* eg: Apache */
3098 static enum server_token_type ap_server_tokens = SrvTk_FULL;
3100 static apr_status_t reset_banner(void *dummy)
3103 ap_server_tokens = SrvTk_FULL;
3104 server_banner = NULL;
3105 server_description = NULL;
3109 AP_DECLARE(void) ap_get_server_revision(ap_version_t *version)
3111 version->major = AP_SERVER_MAJORVERSION_NUMBER;
3112 version->minor = AP_SERVER_MINORVERSION_NUMBER;
3113 version->patch = AP_SERVER_PATCHLEVEL_NUMBER;
3114 version->add_string = AP_SERVER_ADD_STRING;
3117 AP_DECLARE(const char *) ap_get_server_description(void)
3119 return server_description ? server_description :
3120 AP_SERVER_BASEVERSION " (" PLATFORM ")";
3123 AP_DECLARE(const char *) ap_get_server_banner(void)
3125 return server_banner ? server_banner : AP_SERVER_BASEVERSION;
3128 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
3130 if (! banner_locked) {
3132 * If the version string is null, register our cleanup to reset the
3133 * pointer on pool destruction. We also know that, if NULL,
3134 * we are adding the original SERVER_BASEVERSION string.
3136 if (server_banner == NULL) {
3137 apr_pool_cleanup_register(pconf, NULL, reset_banner,
3138 apr_pool_cleanup_null);
3139 server_banner = apr_pstrdup(pconf, component);
3143 * Tack the given component identifier to the end of
3144 * the existing string.
3146 server_banner = apr_pstrcat(pconf, server_banner, " ",
3150 server_description = apr_pstrcat(pconf, server_description, " ",
3155 * This routine adds the real server base identity to the banner string,
3156 * and then locks out changes until the next reconfig.
3158 static void set_banner(apr_pool_t *pconf)
3160 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
3161 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
3163 else if (ap_server_tokens == SrvTk_MINIMAL) {
3164 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
3166 else if (ap_server_tokens == SrvTk_MINOR) {
3167 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MINORREVISION);
3169 else if (ap_server_tokens == SrvTk_MAJOR) {
3170 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MAJORVERSION);
3173 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
3177 * Lock the server_banner string if we're not displaying
3178 * the full set of tokens
3180 if (ap_server_tokens != SrvTk_FULL) {
3183 server_description = AP_SERVER_BASEVERSION " (" PLATFORM ")";
3186 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
3187 const char *arg1, const char *arg2)
3189 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
3195 if (!strcasecmp(arg1, "OS")) {
3196 ap_server_tokens = SrvTk_OS;
3198 else if (!strcasecmp(arg1, "Min") || !strcasecmp(arg1, "Minimal")) {
3199 ap_server_tokens = SrvTk_MINIMAL;
3201 else if (!strcasecmp(arg1, "Major")) {
3202 ap_server_tokens = SrvTk_MAJOR;
3204 else if (!strcasecmp(arg1, "Minor") ) {
3205 ap_server_tokens = SrvTk_MINOR;
3207 else if (!strcasecmp(arg1, "Prod") || !strcasecmp(arg1, "ProductOnly")) {
3208 ap_server_tokens = SrvTk_PRODUCT_ONLY;
3211 ap_server_tokens = SrvTk_FULL;
3217 static const char *set_limit_req_line(cmd_parms *cmd, void *dummy,
3220 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3229 return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
3230 "\" must be a non-negative integer", NULL);
3233 cmd->server->limit_req_line = lim;
3237 static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
3240 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3249 return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
3250 "\" must be a non-negative integer",
3254 cmd->server->limit_req_fieldsize = lim;
3258 static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy,
3261 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3270 return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
3271 "\" must be a non-negative integer (0 = no limit)",
3275 cmd->server->limit_req_fields = lim;
3279 static const char *set_limit_req_body(cmd_parms *cmd, void *conf_,
3282 core_dir_config *conf = conf_;
3285 if (APR_SUCCESS != apr_strtoff(&conf->limit_req_body, arg, &errp, 10)) {
3286 return "LimitRequestBody argument is not parsable.";
3288 if (*errp || conf->limit_req_body < 0) {
3289 return "LimitRequestBody requires a non-negative integer.";
3295 static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_,
3298 core_dir_config *conf = conf_;
3300 conf->limit_xml_body = atol(arg);
3301 if (conf->limit_xml_body < 0)
3302 return "LimitXMLRequestBody requires a non-negative integer.";
3307 static const char *set_max_ranges(cmd_parms *cmd, void *conf_, const char *arg)
3309 core_dir_config *conf = conf_;
3312 if (!strcasecmp(arg, "none")) {
3313 val = AP_MAXRANGES_NORANGES;
3315 else if (!strcasecmp(arg, "default")) {
3316 val = AP_MAXRANGES_DEFAULT;
3318 else if (!strcasecmp(arg, "unlimited")) {
3319 val = AP_MAXRANGES_UNLIMITED;
3324 return "MaxRanges requires 'none', 'default', 'unlimited' or "
3325 "a positive integer";
3328 conf->max_ranges = val;
3333 static const char *set_max_overlaps(cmd_parms *cmd, void *conf_, const char *arg)
3335 core_dir_config *conf = conf_;
3338 if (!strcasecmp(arg, "none")) {
3339 val = AP_MAXRANGES_NORANGES;
3341 else if (!strcasecmp(arg, "default")) {
3342 val = AP_MAXRANGES_DEFAULT;
3344 else if (!strcasecmp(arg, "unlimited")) {
3345 val = AP_MAXRANGES_UNLIMITED;
3350 return "MaxRangeOverlaps requires 'none', 'default', 'unlimited' or "
3351 "a positive integer";
3354 conf->max_overlaps = val;
3359 static const char *set_max_reversals(cmd_parms *cmd, void *conf_, const char *arg)
3361 core_dir_config *conf = conf_;
3364 if (!strcasecmp(arg, "none")) {
3365 val = AP_MAXRANGES_NORANGES;
3367 else if (!strcasecmp(arg, "default")) {
3368 val = AP_MAXRANGES_DEFAULT;
3370 else if (!strcasecmp(arg, "unlimited")) {
3371 val = AP_MAXRANGES_UNLIMITED;
3376 return "MaxRangeReversals requires 'none', 'default', 'unlimited' or "
3377 "a positive integer";
3380 conf->max_reversals = val;
3385 AP_DECLARE(apr_size_t) ap_get_limit_xml_body(const request_rec *r)
3387 core_dir_config *conf;
3389 conf = ap_get_core_module_config(r->per_dir_config);
3390 if (conf->limit_xml_body == AP_LIMIT_UNSET)
3391 return AP_DEFAULT_LIMIT_XML_BODY;
3393 return (apr_size_t)conf->limit_xml_body;
3396 #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
3397 static const char *no_set_limit(cmd_parms *cmd, void *conf_,
3398 const char *arg, const char *arg2)
3400 ap_log_error(APLOG_MARK, APLOG_ERR, 0, cmd->server, APLOGNO(00118)
3401 "%s not supported on this platform", cmd->cmd->name);
3408 static const char *set_limit_cpu(cmd_parms *cmd, void *conf_,
3409 const char *arg, const char *arg2)
3411 core_dir_config *conf = conf_;
3413 ap_unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
3418 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
3419 static const char *set_limit_mem(cmd_parms *cmd, void *conf_,
3420 const char *arg, const char * arg2)
3422 core_dir_config *conf = conf_;
3424 #if defined(RLIMIT_AS)
3425 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
3426 #elif defined(RLIMIT_DATA)
3427 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
3428 #elif defined(RLIMIT_VMEM)
3429 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
3437 static const char *set_limit_nproc(cmd_parms *cmd, void *conf_,
3438 const char *arg, const char * arg2)
3440 core_dir_config *conf = conf_;
3442 ap_unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
3447 static const char *set_recursion_limit(cmd_parms *cmd, void *dummy,
3448 const char *arg1, const char *arg2)
3450 core_server_config *conf =
3451 ap_get_core_module_config(cmd->server->module_config);
3452 int limit = atoi(arg1);
3455 return "The recursion limit must be greater than zero.";
3458 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00119)
3459 "Limiting internal redirects to very low numbers may "
3460 "cause normal requests to fail.");
3463 conf->redirect_limit = limit;
3469 return "The recursion limit must be greater than zero.";
3472 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00120)
3473 "Limiting the subrequest depth to a very low level may"
3474 " cause normal requests to fail.");
3478 conf->subreq_limit = limit;
3483 static void log_backtrace(const request_rec *r)
3485 const request_rec *top = r;
3487 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00121)
3488 "r->uri = %s", r->uri ? r->uri : "(unexpectedly NULL)");
3490 while (top && (top->prev || top->main)) {
3493 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00122)
3494 "redirected from r->uri = %s",
3495 top->uri ? top->uri : "(unexpectedly NULL)");
3498 if (!top->prev && top->main) {
3500 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00123)
3501 "subrequested from r->uri = %s",
3502 top->uri ? top->uri : "(unexpectedly NULL)");
3508 * check whether redirect limit is reached
3510 AP_DECLARE(int) ap_is_recursion_limit_exceeded(const request_rec *r)
3512 core_server_config *conf =
3513 ap_get_core_module_config(r->server->module_config);
3514 const request_rec *top = r;
3515 int redirects = 0, subreqs = 0;
3516 int rlimit = conf->redirect_limit
3517 ? conf->redirect_limit
3518 : AP_DEFAULT_MAX_INTERNAL_REDIRECTS;
3519 int slimit = conf->subreq_limit
3520 ? conf->subreq_limit
3521 : AP_DEFAULT_MAX_SUBREQ_DEPTH;
3524 while (top->prev || top->main) {
3526 if (++redirects >= rlimit) {
3527 /* uuh, too much. */
3528 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00124)
3529 "Request exceeded the limit of %d internal "
3530 "redirects due to probable configuration error. "
3531 "Use 'LimitInternalRecursion' to increase the "
3532 "limit if necessary. Use 'LogLevel debug' to get "
3533 "a backtrace.", rlimit);
3535 /* post backtrace */
3538 /* return failure */
3545 if (!top->prev && top->main) {
3546 if (++subreqs >= slimit) {
3547 /* uuh, too much. */
3548 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00125)
3549 "Request exceeded the limit of %d subrequest "
3550 "nesting levels due to probable configuration "
3551 "error. Use 'LimitInternalRecursion' to increase "
3552 "the limit if necessary. Use 'LogLevel debug' to "
3553 "get a backtrace.", slimit);
3555 /* post backtrace */
3558 /* return failure */
3566 /* recursion state: ok */
3570 static const char *set_trace_enable(cmd_parms *cmd, void *dummy,
3573 core_server_config *conf =
3574 ap_get_core_module_config(cmd->server->module_config);
3576 if (strcasecmp(arg1, "on") == 0) {
3577 conf->trace_enable = AP_TRACE_ENABLE;
3579 else if (strcasecmp(arg1, "off") == 0) {
3580 conf->trace_enable = AP_TRACE_DISABLE;
3582 else if (strcasecmp(arg1, "extended") == 0) {
3583 conf->trace_enable = AP_TRACE_EXTENDED;
3586 return "TraceEnable must be one of 'on', 'off', or 'extended'";
3592 static apr_hash_t *errorlog_hash;
3594 static int log_constant_item(const ap_errorlog_info *info, const char *arg,
3595 char *buf, int buflen)
3597 char *end = apr_cpystrn(buf, arg, buflen);
3601 static char *parse_errorlog_misc_string(apr_pool_t *p,
3602 ap_errorlog_format_item *it,
3606 char scratch[MAX_STRING_LEN];
3609 * non-leading white space terminates this string to allow the next field
3610 * separator to be inserted
3614 it->func = log_constant_item;
3617 while (*s && *s != '%' && (*s != ' ' || at_start) && d < scratch + MAX_STRING_LEN) {
3640 /* handle end of string */
3644 /* copy next char verbatim */
3651 it->arg = apr_pstrdup(p, scratch);
3657 static char *parse_errorlog_item(apr_pool_t *p, ap_errorlog_format_item *it,
3660 const char *s = *sa;
3661 ap_errorlog_handler *handler;
3666 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3668 return parse_errorlog_misc_string(p, it, sa);
3674 /* percent-space (% ) is a field separator */
3675 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3678 return parse_errorlog_item(p, it, sa);
3680 else if (*s == '%') {
3682 it->func = log_constant_item;
3691 it->arg = ap_getword(p, &s, '}');
3695 it->flags |= AP_ERRORLOG_FLAG_REQUIRED;
3699 it->flags |= AP_ERRORLOG_FLAG_NULL_AS_HYPHEN;
3712 while (apr_isdigit(*++s))
3713 i = i * 10 + (*s) - '0';
3714 it->min_loglevel = i;
3718 it->flags |= AP_ERRORLOG_FLAG_MESSAGE;
3722 handler = (ap_errorlog_handler *)apr_hash_get(errorlog_hash, s, 1);
3728 return apr_pstrcat(p, "Unrecognized error log format directive %",
3731 it->func = handler->func;
3737 return "Ran off end of error log format parsing args to some directive";
3740 static apr_array_header_t *parse_errorlog_string(apr_pool_t *p,
3745 apr_array_header_t *a = apr_array_make(p, 30,
3746 sizeof(ap_errorlog_format_item));
3748 int seen_msg_fmt = 0;
3751 ap_errorlog_format_item *item =
3752 (ap_errorlog_format_item *)apr_array_push(a);
3753 memset(item, 0, sizeof(*item));
3754 res = parse_errorlog_item(p, item, &s);
3759 if (item->flags & AP_ERRORLOG_FLAG_MESSAGE) {
3761 *err = "%M cannot be used in once-per-request or "
3762 "once-per-connection formats";
3767 if (is_main_fmt && item->flags & AP_ERRORLOG_FLAG_REQUIRED) {
3768 *err = "The '+' flag cannot be used in the main error log format";
3771 if (!is_main_fmt && item->min_loglevel) {
3772 *err = "The loglevel cannot be used as a condition in "
3773 "once-per-request or once-per-connection formats";
3776 if (item->min_loglevel > APLOG_TRACE8) {
3777 *err = "The specified loglevel modifier is out of range";
3782 if (is_main_fmt && !seen_msg_fmt) {
3783 *err = "main ErrorLogFormat must contain message format string '%M'";
3790 static const char *set_errorlog_format(cmd_parms *cmd, void *dummy,
3791 const char *arg1, const char *arg2)
3793 const char *err_string = NULL;
3794 core_server_config *conf =
3795 ap_get_core_module_config(cmd->server->module_config);
3798 conf->error_log_format = parse_errorlog_string(cmd->pool, arg1,
3801 else if (!strcasecmp(arg1, "connection")) {
3802 if (!conf->error_log_conn) {
3803 conf->error_log_conn = apr_array_make(cmd->pool, 5,
3804 sizeof(apr_array_header_t *));
3808 apr_array_header_t **e;
3809 e = (apr_array_header_t **) apr_array_push(conf->error_log_conn);
3810 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3813 else if (!strcasecmp(arg1, "request")) {
3814 if (!conf->error_log_req) {
3815 conf->error_log_req = apr_array_make(cmd->pool, 5,
3816 sizeof(apr_array_header_t *));
3820 apr_array_header_t **e;
3821 e = (apr_array_header_t **) apr_array_push(conf->error_log_req);
3822 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3826 err_string = "ErrorLogFormat type must be one of request, connection";
3832 AP_DECLARE(void) ap_register_errorlog_handler(apr_pool_t *p, char *tag,
3833 ap_errorlog_handler_fn_t *handler,
3836 ap_errorlog_handler *log_struct = apr_palloc(p, sizeof(*log_struct));
3837 log_struct->func = handler;
3838 log_struct->flags = flags;
3840 apr_hash_set(errorlog_hash, tag, 1, (const void *)log_struct);
3844 /* Note --- ErrorDocument will now work from .htaccess files.
3845 * The AllowOverride of Fileinfo allows webmasters to turn it off
3848 static const command_rec core_cmds[] = {
3850 /* Old access config file commands */
3852 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
3853 "Container for directives affecting resources located in the specified "
3855 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
3856 "Container for directives affecting resources accessed through the "
3857 "specified URL paths"),
3858 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
3859 "Container to map directives to a particular virtual host, takes one or "
3860 "more host addresses"),
3861 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
3862 "Container for directives affecting files matching specified patterns"),
3863 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_LIMIT | OR_AUTHCFG,
3864 "Container for authentication directives when accessed using specified HTTP "
3866 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1,
3867 OR_LIMIT | OR_AUTHCFG,
3868 "Container for authentication directives to be applied when any HTTP "
3869 "method other than those specified is used to access the resource"),
3870 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
3871 "Container for directives based on existence of specified modules"),
3872 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
3873 "Container for directives based on existence of command line defines"),
3874 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
3875 "Container for directives affecting resources located in the "
3876 "specified directories"),
3877 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
3878 "Container for directives affecting resources accessed through the "
3879 "specified URL paths"),
3880 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
3881 "Container for directives affecting files matching specified patterns"),
3883 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
3884 "Directory to plop gmon.out files"),
3886 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
3887 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
3888 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
3889 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
3890 AP_INIT_TAKE12("Define", set_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3891 "Define a variable, optionally to a value. Same as passing -D to the command line."),
3892 AP_INIT_TAKE1("UnDefine", unset_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3893 "Undefine the existence of a variable. Undo a Define."),
3894 AP_INIT_RAW_ARGS("Error", generate_error, NULL, OR_ALL,
3895 "Generate error message from within configuration"),
3896 AP_INIT_RAW_ARGS("<If", ifsection, COND_IF, OR_ALL,
3897 "Container for directives to be conditionally applied"),
3898 AP_INIT_RAW_ARGS("<ElseIf", ifsection, COND_ELSEIF, OR_ALL,
3899 "Container for directives to be conditionally applied"),
3900 AP_INIT_RAW_ARGS("<Else", ifsection, COND_ELSE, OR_ALL,
3901 "Container for directives to be conditionally applied"),
3903 /* Old resource config file commands */
3905 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
3906 "Name(s) of per-directory config files (default: .htaccess)"),
3907 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
3908 "Root directory of the document tree"),
3909 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
3910 "Change responses for HTTP errors"),
3911 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
3912 "Controls what groups of directives can be configured by per-directory "
3914 AP_INIT_TAKE_ARGV("AllowOverrideList", set_override_list, NULL, ACCESS_CONF,
3915 "Controls what individual directives can be configured by per-directory "
3917 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
3918 "Set a number of attributes for a given directory"),
3919 AP_INIT_TAKE1("DefaultType", set_default_type, NULL, OR_FILEINFO,
3920 "the default media type for otherwise untyped files (DEPRECATED)"),
3921 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
3922 "Specify components used to construct a file's ETag"),
3923 AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO,
3924 "Controls whether memory-mapping may be used to read files"),
3925 AP_INIT_TAKE1("EnableSendfile", set_enable_sendfile, NULL, OR_FILEINFO,
3926 "Controls whether sendfile may be used to transmit files"),
3928 /* Old server config file commands */
3930 AP_INIT_TAKE1("Protocol", set_protocol, NULL, RSRC_CONF,
3931 "Set the Protocol for httpd to use."),
3932 AP_INIT_TAKE2("AcceptFilter", set_accf_map, NULL, RSRC_CONF,
3933 "Set the Accept Filter to use for a protocol"),
3934 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
3935 "Port was replaced with Listen in Apache 2.0"),
3936 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
3937 ACCESS_CONF|RSRC_CONF,
3938 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
3939 "enable double-reverse DNS lookups"),
3940 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
3941 (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF,
3942 "The email address of the server administrator"),
3943 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
3944 "The hostname and port of the server"),
3945 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
3946 "En-/disable server signature (on|off|email)"),
3947 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
3948 "Common directory of server-related files (logs, confs, etc.)"),
3949 AP_INIT_TAKE1("DefaultRuntimeDir", set_runtime_dir, NULL, RSRC_CONF | EXEC_ON_READ,
3950 "Common directory for run-time files (shared memory, locks, etc.)"),
3951 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
3952 (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
3953 "The filename of the error log"),
3954 AP_INIT_TAKE12("ErrorLogFormat", set_errorlog_format, NULL, RSRC_CONF,
3955 "Format string for the ErrorLog"),
3956 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
3957 "A name or names alternately used to access the server"),
3958 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
3959 "The pathname the server can be reached at"),
3960 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
3961 "Timeout duration (sec)"),
3962 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
3963 "whether or not to send a Content-MD5 header with each request"),
3964 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
3965 RSRC_CONF|ACCESS_CONF,
3966 "How to work out the ServerName : Port when constructing URLs"),
3967 AP_INIT_TAKE1("UseCanonicalPhysicalPort", set_use_canonical_phys_port, NULL,
3968 RSRC_CONF|ACCESS_CONF,
3969 "Whether to use the physical Port when constructing URLs"),
3970 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
3971 /* TODO: ListenBacklog in MPM */
3972 AP_INIT_TAKE1("Include", include_config, NULL,
3973 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
3974 "Name(s) of the config file(s) to be included; fails if the wildcard does "
3975 "not match at least one file"),
3976 AP_INIT_TAKE1("IncludeOptional", include_config, (void*)1,
3977 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
3978 "Name or pattern of the config file(s) to be included; ignored if the file "
3979 "does not exist or the pattern does not match any files"),
3980 AP_INIT_ITERATE("LogLevel", set_loglevel, NULL, RSRC_CONF|ACCESS_CONF,
3981 "Level of verbosity in error logging"),
3982 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
3983 "A numeric IP address:port, or the name of a host"),
3984 AP_INIT_TAKE12("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
3985 "Determine tokens displayed in the Server: header - Min(imal), "
3986 "Major, Minor, Prod, OS or Full"),
3987 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
3988 "Limit on maximum size of an HTTP request line"),
3989 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
3991 "Limit on maximum size of an HTTP request header field"),
3992 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
3993 "Limit (0 = unlimited) on max number of header fields in a request message"),
3994 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
3995 (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL,
3996 "Limit (in bytes) on maximum size of request message body"),
3997 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
3998 "Limit (in bytes) on maximum size of an XML-based request "
4000 AP_INIT_RAW_ARGS("Mutex", ap_set_mutex, NULL, RSRC_CONF,
4001 "mutex (or \"default\") and mechanism"),
4003 AP_INIT_TAKE1("MaxRanges", set_max_ranges, NULL, RSRC_CONF|ACCESS_CONF,
4004 "Maximum number of Ranges in a request before returning the entire "
4005 "resource, or 0 for unlimited"),
4006 AP_INIT_TAKE1("MaxRangeOverlaps", set_max_overlaps, NULL, RSRC_CONF|ACCESS_CONF,
4007 "Maximum number of overlaps in Ranges in a request before returning the entire "
4008 "resource, or 0 for unlimited"),
4009 AP_INIT_TAKE1("MaxRangeReversals", set_max_reversals, NULL, RSRC_CONF|ACCESS_CONF,
4010 "Maximum number of reversals in Ranges in a request before returning the entire "
4011 "resource, or 0 for unlimited"),
4012 /* System Resource Controls */
4014 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
4015 (void*)APR_OFFSETOF(core_dir_config, limit_cpu),
4016 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4018 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
4019 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4021 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
4022 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
4023 (void*)APR_OFFSETOF(core_dir_config, limit_mem),
4024 OR_ALL, "Soft/hard limits for max memory usage per process"),
4026 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
4027 OR_ALL, "Soft/hard limits for max memory usage per process"),
4030 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
4031 (void*)APR_OFFSETOF(core_dir_config, limit_nproc),
4032 OR_ALL, "soft/hard limits for max number of processes per uid"),
4034 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
4035 OR_ALL, "soft/hard limits for max number of processes per uid"),
4038 /* internal recursion stopper */
4039 AP_INIT_TAKE12("LimitInternalRecursion", set_recursion_limit, NULL, RSRC_CONF,
4040 "maximum recursion depth of internal redirects and subrequests"),
4042 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
4043 (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
4044 "a mime type that overrides other configured type"),
4045 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
4046 (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO,
4047 "a handler name that overrides any other configured handler"),
4048 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
4049 (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO,
4050 "filter (or ; delimited list of filters) to be run on the request content"),
4051 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
4052 (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO,
4053 "filter (or ; delimited list of filters) to be run on the request body"),
4054 AP_INIT_TAKE1("AllowEncodedSlashes", set_allow2f, NULL, RSRC_CONF,
4055 "Allow URLs containing '/' encoded as '%2F'"),
4057 /* scoreboard.c directives */
4058 AP_INIT_TAKE1("ScoreBoardFile", ap_set_scoreboard, NULL, RSRC_CONF,
4059 "A file for Apache to maintain runtime process management information"),
4060 AP_INIT_FLAG("ExtendedStatus", ap_set_extended_status, NULL, RSRC_CONF,
4061 "\"On\" to track extended status information, \"Off\" to disable"),
4062 AP_INIT_FLAG("SeeRequestTail", ap_set_reqtail, NULL, RSRC_CONF,
4063 "For extended status, \"On\" to see the last 63 chars of "
4064 "the request line, \"Off\" (default) to see the first 63"),
4067 * These are default configuration directives that mpms can/should
4069 * XXX These are not for all platforms, and even some Unix MPMs might not want
4072 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF,
4073 "A file for logging the server process ID"),
4074 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4075 "Maximum number of connections a particular child serves before "
4076 "dying. (DEPRECATED, use MaxConnectionsPerChild)"),
4077 AP_INIT_TAKE1("MaxConnectionsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4078 "Maximum number of connections a particular child serves before dying."),
4079 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF,
4080 "The location of the directory Apache changes to before dumping core"),
4081 AP_INIT_TAKE1("MaxMemFree", ap_mpm_set_max_mem_free, NULL, RSRC_CONF,
4082 "Maximum number of 1k blocks a particular child's allocator may hold."),
4083 AP_INIT_TAKE1("ThreadStackSize", ap_mpm_set_thread_stacksize, NULL, RSRC_CONF,
4084 "Size in bytes of stack used by threads handling client connections"),
4085 #if AP_ENABLE_EXCEPTION_HOOK
4086 AP_INIT_TAKE1("EnableExceptionHook", ap_mpm_set_exception_hook, NULL, RSRC_CONF,
4087 "Controls whether exception hook may be called after a crash"),
4089 AP_INIT_TAKE1("TraceEnable", set_trace_enable, NULL, RSRC_CONF,
4090 "'on' (default), 'off' or 'extended' to trace request body content"),
4094 /*****************************************************************
4096 * Core handlers for various phases of server operation...
4099 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
4104 /* XXX this seems too specific, this should probably become
4105 * some general-case test
4108 return HTTP_FORBIDDEN;
4110 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
4111 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00126)
4112 "Invalid URI in request %s", r->the_request);
4113 return HTTP_BAD_REQUEST;
4117 && !strncmp(r->uri, r->server->path, r->server->pathlen)
4118 && (r->server->path[r->server->pathlen - 1] == '/'
4119 || r->uri[r->server->pathlen] == '/'
4120 || r->uri[r->server->pathlen] == '\0'))
4122 path = r->uri + r->server->pathlen;
4128 * Make sure that we do not mess up the translation by adding two
4129 * /'s in a row. This happens under windows when the document
4130 * root ends with a /
4132 /* skip all leading /'s (e.g. http://localhost///foo)
4133 * so we are looking at only the relative path.
4135 while (*path == '/') {
4138 if ((rv = apr_filepath_merge(&r->filename, ap_document_root(r), path,
4139 APR_FILEPATH_TRUENAME
4140 | APR_FILEPATH_SECUREROOT, r->pool))
4142 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(00127)
4143 "Cannot map %s to file", r->the_request);
4144 return HTTP_FORBIDDEN;
4146 r->canonical_filename = r->filename;
4151 /*****************************************************************
4153 * Test the filesystem name through directory_walk and file_walk
4155 static int core_map_to_storage(request_rec *r)
4159 if ((access_status = ap_directory_walk(r))) {
4160 return access_status;
4163 if ((access_status = ap_file_walk(r))) {
4164 return access_status;
4171 static int do_nothing(request_rec *r) { return OK; }
4174 static int core_override_type(request_rec *r)
4176 core_dir_config *conf =
4177 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4179 /* Check for overrides with ForceType / SetHandler
4181 if (conf->mime_type && strcmp(conf->mime_type, "none"))
4182 ap_set_content_type(r, (char*) conf->mime_type);
4184 if (conf->handler && strcmp(conf->handler, "none"))
4185 r->handler = conf->handler;
4187 /* Deal with the poor soul who is trying to force path_info to be
4188 * accepted within the core_handler, where they will let the subreq
4189 * address its contents. This is toggled by the user in the very
4190 * beginning of the fixup phase (here!), so modules should override the user's
4191 * discretion in their own module fixup phase. It is tristate, if
4192 * the user doesn't specify, the result is AP_REQ_DEFAULT_PATH_INFO.
4193 * (which the module may interpret to its own customary behavior.)
4194 * It won't be touched if the value is no longer AP_ACCEPT_PATHINFO_UNSET,
4195 * so any module changing the value prior to the fixup phase
4196 * OVERRIDES the user's choice.
4198 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
4199 && (conf->accept_path_info != AP_ACCEPT_PATHINFO_UNSET)) {
4200 /* No module knew better, and the user coded AcceptPathInfo */
4201 r->used_path_info = conf->accept_path_info;
4207 static int default_handler(request_rec *r)
4209 conn_rec *c = r->connection;
4210 apr_bucket_brigade *bb;
4214 apr_file_t *fd = NULL;
4215 apr_status_t status;
4216 /* XXX if/when somebody writes a content-md5 filter we either need to
4217 * remove this support or coordinate when to use the filter vs.
4218 * when to use this code
4219 * The current choice of when to compute the md5 here matches the 1.3
4220 * support fairly closely (unlike 1.3, we don't handle computing md5
4221 * when the charset is translated).
4223 int bld_content_md5;
4225 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4226 bld_content_md5 = (d->content_md5 == AP_CONTENT_MD5_ON)
4227 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
4229 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
4231 /* If filters intend to consume the request body, they must
4232 * register an InputFilter to slurp the contents of the POST
4233 * data from the POST input stream. It no longer exists when
4234 * the output filters are invoked by the default handler.
4236 if ((errstatus = ap_discard_request_body(r)) != OK) {
4240 if (r->method_number == M_GET || r->method_number == M_POST) {
4241 if (r->finfo.filetype == APR_NOFILE) {
4242 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00128)
4243 "File does not exist: %s", r->filename);
4244 return HTTP_NOT_FOUND;
4247 /* Don't try to serve a dir. Some OSs do weird things with
4250 if (r->finfo.filetype == APR_DIR) {
4251 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00129)
4252 "Attempt to serve directory: %s", r->filename);
4253 return HTTP_NOT_FOUND;
4256 if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) &&
4257 r->path_info && *r->path_info)
4259 /* default to reject */
4260 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00130)
4261 "File does not exist: %s",
4262 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
4263 return HTTP_NOT_FOUND;
4266 /* We understood the (non-GET) method, but it might not be legal for
4267 this particular resource. Check to see if the 'deliver_script'
4268 flag is set. If so, then we go ahead and deliver the file since
4269 it isn't really content (only GET normally returns content).
4271 Note: based on logic further above, the only possible non-GET
4272 method at this point is POST. In the future, we should enable
4273 script delivery for all methods. */
4274 if (r->method_number != M_GET) {
4275 core_request_config *req_cfg;
4277 req_cfg = ap_get_core_module_config(r->request_config);
4278 if (!req_cfg->deliver_script) {
4279 /* The flag hasn't been set for this request. Punt. */
4280 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00131)
4281 "This resource does not accept the %s method.",
4283 return HTTP_METHOD_NOT_ALLOWED;
4288 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY
4289 #if APR_HAS_SENDFILE
4290 | AP_SENDFILE_ENABLED(d->enable_sendfile)
4292 , 0, r->pool)) != APR_SUCCESS) {
4293 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(00132)
4294 "file permissions deny server access: %s", r->filename);
4295 return HTTP_FORBIDDEN;
4298 ap_update_mtime(r, r->finfo.mtime);
4299 ap_set_last_modified(r);
4301 ap_set_accept_ranges(r);
4302 ap_set_content_length(r, r->finfo.size);
4303 if (bld_content_md5) {
4304 apr_table_setn(r->headers_out, "Content-MD5",
4305 ap_md5digest(r->pool, fd));
4308 bb = apr_brigade_create(r->pool, c->bucket_alloc);
4310 if ((errstatus = ap_meets_conditions(r)) != OK) {
4312 r->status = errstatus;
4315 e = apr_brigade_insert_file(bb, fd, 0, r->finfo.size, r->pool);
4318 if (d->enable_mmap == ENABLE_MMAP_OFF) {
4319 (void)apr_bucket_file_enable_mmap(e, 0);
4324 e = apr_bucket_eos_create(c->bucket_alloc);
4325 APR_BRIGADE_INSERT_TAIL(bb, e);
4327 status = ap_pass_brigade(r->output_filters, bb);
4328 if (status == APR_SUCCESS
4329 || r->status != HTTP_OK
4334 /* no way to know what type of error occurred */
4335 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(00133)
4336 "default_handler: ap_pass_brigade returned %i",
4338 return HTTP_INTERNAL_SERVER_ERROR;
4341 else { /* unusual method (not GET or POST) */
4342 if (r->method_number == M_INVALID) {
4343 /* See if this looks like an undecrypted SSL handshake attempt.
4344 * It's safe to look a couple bytes into the_request if it exists, as it's
4345 * always allocated at least MIN_LINE_ALLOC (80) bytes.
4348 && r->the_request[0] == 0x16
4349 && (r->the_request[1] == 0x2 || r->the_request[1] == 0x3)) {
4350 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00134)
4351 "Invalid method in request %s - possible attempt to establish SSL connection on non-SSL port", r->the_request);
4353 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00135)
4354 "Invalid method in request %s", r->the_request);
4356 return HTTP_NOT_IMPLEMENTED;
4359 if (r->method_number == M_OPTIONS) {
4360 return ap_send_http_options(r);
4362 return HTTP_METHOD_NOT_ALLOWED;
4366 /* Optional function coming from mod_logio, used for logging of output
4369 APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *ap__logio_add_bytes_out;
4370 APR_OPTIONAL_FN_TYPE(authz_some_auth_required) *ap__authz_ap_some_auth_required;
4372 /* Insist that at least one module will undertake to provide system
4373 * security by dropping startup privileges.
4375 static int sys_privileges = 0;
4376 AP_DECLARE(int) ap_sys_privileges_handlers(int inc)
4378 sys_privileges += inc;
4379 return sys_privileges;
4382 static int check_errorlog_dir(apr_pool_t *p, server_rec *s)
4384 if (!s->error_fname || s->error_fname[0] == '|'
4385 || strcmp(s->error_fname, "syslog") == 0) {
4389 char *abs = ap_server_root_relative(p, s->error_fname);
4390 char *dir = ap_make_dirstr_parent(p, abs);
4392 apr_status_t rv = apr_stat(&finfo, dir, APR_FINFO_TYPE, p);
4393 if (rv == APR_SUCCESS && finfo.filetype != APR_DIR)
4395 if (rv != APR_SUCCESS) {
4396 const char *desc = "main error log";
4398 desc = apr_psprintf(p, "error log of vhost defined at %s:%d",
4399 s->defn_name, s->defn_line_number);
4400 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, rv,
4401 ap_server_conf, APLOGNO(02291)
4402 "Cannot access directory '%s' for %s", dir, desc);
4409 static int core_check_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4413 if (check_errorlog_dir(ptemp, s) != OK)
4421 static int core_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
4423 ap_mutex_init(pconf);
4425 if (!saved_server_config_defines)
4426 init_config_defines(pconf);
4427 apr_pool_cleanup_register(pconf, NULL, reset_config_defines,
4428 apr_pool_cleanup_null);
4430 mpm_common_pre_config(pconf);
4435 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4437 ap__logio_add_bytes_out = APR_RETRIEVE_OPTIONAL_FN(ap_logio_add_bytes_out);
4438 ident_lookup = APR_RETRIEVE_OPTIONAL_FN(ap_ident_lookup);
4439 ap__authz_ap_some_auth_required = APR_RETRIEVE_OPTIONAL_FN(authz_some_auth_required);
4440 authn_ap_auth_type = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_type);
4441 authn_ap_auth_name = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_name);
4442 access_compat_ap_satisfies = APR_RETRIEVE_OPTIONAL_FN(access_compat_ap_satisfies);
4445 ap_setup_make_content_type(pconf);
4446 ap_setup_auth_internal(ptemp);
4447 if (!sys_privileges) {
4448 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL, APLOGNO(00136)
4449 "Server MUST relinquish startup privileges before "
4450 "accepting connections. Please ensure mod_unixd "
4451 "or other system security module is loaded.");
4454 apr_pool_cleanup_register(pconf, NULL, ap_mpm_end_gen_helper,
4455 apr_pool_cleanup_null);
4459 static void core_insert_filter(request_rec *r)
4461 core_dir_config *conf = (core_dir_config *)
4462 ap_get_core_module_config(r->per_dir_config);
4463 const char *filter, *filters = conf->output_filters;
4466 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4467 ap_add_output_filter(filter, NULL, r, r->connection);
4471 filters = conf->input_filters;
4473 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4474 ap_add_input_filter(filter, NULL, r, r->connection);
4479 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
4481 static apr_status_t reset_request_notes(void *dummy)
4483 num_request_notes = AP_NUM_STD_NOTES;
4487 AP_DECLARE(apr_size_t) ap_register_request_note(void)
4489 apr_pool_cleanup_register(apr_hook_global_pool, NULL, reset_request_notes,
4490 apr_pool_cleanup_null);
4491 return num_request_notes++;
4494 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
4496 core_request_config *req_cfg;
4498 if (note_num >= num_request_notes) {
4502 req_cfg = (core_request_config *)
4503 ap_get_core_module_config(r->request_config);
4509 return &(req_cfg->notes[note_num]);
4512 AP_DECLARE(apr_socket_t *) ap_get_conn_socket(conn_rec *c)
4514 return ap_get_core_module_config(c->conn_config);
4517 static int core_create_req(request_rec *r)
4519 /* Alloc the config struct and the array of request notes in
4520 * a single block for efficiency
4522 core_request_config *req_cfg;
4524 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
4525 sizeof(void *) * num_request_notes);
4526 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
4528 /* ### temporarily enable script delivery as the default */
4529 req_cfg->deliver_script = 1;
4532 core_request_config *main_req_cfg = (core_request_config *)
4533 ap_get_core_module_config(r->main->request_config);
4534 req_cfg->bb = main_req_cfg->bb;
4537 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
4540 ap_set_core_module_config(r->request_config, req_cfg);
4545 static int core_create_proxy_req(request_rec *r, request_rec *pr)
4547 return core_create_req(pr);
4550 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
4551 apr_socket_t *csd, long id, void *sbh,
4552 apr_bucket_alloc_t *alloc)
4555 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
4558 (void)ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *)NULL);
4560 /* Got a connection structure, so initialize what fields we can
4561 * (the rest are zeroed out by pcalloc).
4563 c->conn_config = ap_create_conn_config(ptrans);
4564 c->notes = apr_table_make(ptrans, 5);
4567 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
4569 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00137)
4570 "apr_socket_addr_get(APR_LOCAL)");
4571 apr_socket_close(csd);
4575 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
4576 if ((rv = apr_socket_addr_get(&c->client_addr, APR_REMOTE, csd))
4578 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00138)
4579 "apr_socket_addr_get(APR_REMOTE)");
4580 apr_socket_close(csd);
4584 apr_sockaddr_ip_get(&c->client_ip, c->client_addr);
4585 c->base_server = server;
4588 c->bucket_alloc = alloc;
4590 c->clogging_input_filters = 0;
4595 static int core_pre_connection(conn_rec *c, void *csd)
4597 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4600 /* The Nagle algorithm says that we should delay sending partial
4601 * packets in hopes of getting more data. We don't want to do
4602 * this; we are not telnet. There are bad interactions between
4603 * persistent connections and Nagle's algorithm that have very severe
4604 * performance penalties. (Failing to disable Nagle is not much of a
4605 * problem with simple HTTP.)
4607 rv = apr_socket_opt_set(csd, APR_TCP_NODELAY, 1);
4608 if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
4609 /* expected cause is that the client disconnected already,
4610 * hence the debug level
4612 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00139)
4613 "apr_socket_opt_set(APR_TCP_NODELAY)");
4616 /* The core filter requires the timeout mode to be set, which
4617 * incidentally sets the socket to be nonblocking. If this
4618 * is not initialized correctly, Linux - for example - will
4619 * be initially blocking, while Solaris will be non blocking
4620 * and any initial read will fail.
4622 rv = apr_socket_timeout_set(csd, c->base_server->timeout);
4623 if (rv != APR_SUCCESS) {
4624 /* expected cause is that the client disconnected already */
4625 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00140)
4626 "apr_socket_timeout_set");
4631 net->out_ctx = NULL;
4632 net->client_socket = csd;
4634 ap_set_core_module_config(net->c->conn_config, csd);
4635 ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c);
4636 ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c);
4640 AP_DECLARE(int) ap_state_query(int query)
4643 case AP_SQ_MAIN_STATE:
4644 return ap_main_state;
4645 case AP_SQ_RUN_MODE:
4647 case AP_SQ_CONFIG_GEN:
4648 return ap_config_generation;
4650 return AP_SQ_NOT_SUPPORTED;
4654 static apr_random_t *rng = NULL;
4656 static apr_thread_mutex_t *rng_mutex = NULL;
4659 static void core_child_init(apr_pool_t *pchild, server_rec *s)
4664 if (ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm) == APR_SUCCESS
4667 apr_thread_mutex_create(&rng_mutex, APR_THREAD_MUTEX_DEFAULT, pchild);
4670 /* The MPMs use plain fork() and not apr_proc_fork(), so we have to call
4671 * apr_random_after_fork() manually in the child
4673 proc.pid = getpid();
4674 apr_random_after_fork(&proc);
4677 AP_CORE_DECLARE(void) ap_random_parent_after_fork(void)
4680 * To ensure that the RNG state in the parent changes after the fork, we
4681 * pull some data from the RNG and discard it. This ensures that the RNG
4682 * states in the children are different even after the pid wraps around.
4683 * As we only use apr_random for insecure random bytes, pulling 2 bytes
4685 * XXX: APR should probably have some dedicated API to do this, but it
4686 * XXX: currently doesn't.
4689 apr_random_insecure_bytes(rng, &data, sizeof(data));
4692 AP_CORE_DECLARE(void) ap_init_rng(apr_pool_t *p)
4694 unsigned char seed[8];
4696 rng = apr_random_standard_new(p);
4698 rv = apr_generate_random_bytes(seed, sizeof(seed));
4699 if (rv != APR_SUCCESS)
4701 apr_random_add_entropy(rng, seed, sizeof(seed));
4702 rv = apr_random_insecure_ready(rng);
4703 } while (rv == APR_ENOTENOUGHENTROPY);
4704 if (rv == APR_SUCCESS)
4707 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(00141)
4708 "Could not initialize random number generator");
4712 AP_DECLARE(void) ap_random_insecure_bytes(void *buf, apr_size_t size)
4716 apr_thread_mutex_lock(rng_mutex);
4718 /* apr_random_insecure_bytes can only fail with APR_ENOTENOUGHENTROPY,
4719 * and we have ruled that out during initialization. Therefore we don't
4720 * need to check the return code.
4722 apr_random_insecure_bytes(rng, buf, size);
4725 apr_thread_mutex_unlock(rng_mutex);
4730 * Finding a random number in a range.
4731 * n' = a + n(b-a+1)/(M+1)
4733 * n' = random number in range
4734 * a = low end of range
4735 * b = high end of range
4736 * n = random number of 0..M
4738 * Algorithm 'borrowed' from PHP's rand() function.
4740 #define RAND_RANGE(__n, __min, __max, __tmax) \
4741 (__n) = (__min) + (long) ((double) ((__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))
4742 AP_DECLARE(apr_uint32_t) ap_random_pick(apr_uint32_t min, apr_uint32_t max)
4744 apr_uint32_t number;
4747 ap_random_insecure_bytes(&num16, sizeof(num16));
4748 RAND_RANGE(num16, min, max, APR_UINT16_MAX);
4752 ap_random_insecure_bytes(&number, sizeof(number));
4753 RAND_RANGE(number, min, max, APR_UINT32_MAX);
4758 static apr_status_t core_insert_network_bucket(conn_rec *c,
4759 apr_bucket_brigade *bb,
4760 apr_socket_t *socket)
4762 apr_bucket *e = apr_bucket_socket_create(socket, c->bucket_alloc);
4763 APR_BRIGADE_INSERT_TAIL(bb, e);
4767 static void core_dump_config(apr_pool_t *p, server_rec *s)
4769 core_server_config *sconf = ap_get_core_module_config(s->module_config);
4770 apr_file_t *out = NULL;
4772 const char **defines;
4774 if (!ap_exists_config_define("DUMP_RUN_CFG"))
4777 apr_file_open_stdout(&out, p);
4778 apr_file_printf(out, "ServerRoot: \"%s\"\n", ap_server_root);
4779 tmp = ap_server_root_relative(p, sconf->ap_document_root);
4780 apr_file_printf(out, "Main DocumentRoot: \"%s\"\n", tmp);
4781 if (s->error_fname[0] != '|' && strcmp(s->error_fname, "syslog") != 0)
4782 tmp = ap_server_root_relative(p, s->error_fname);
4784 tmp = s->error_fname;
4785 apr_file_printf(out, "Main ErrorLog: \"%s\"\n", tmp);
4786 if (ap_scoreboard_fname) {
4787 tmp = ap_server_root_relative(p, ap_scoreboard_fname);
4788 apr_file_printf(out, "ScoreBoardFile: \"%s\"\n", tmp);
4790 ap_dump_mutexes(p, s, out);
4791 ap_mpm_dump_pidfile(p, out);
4793 defines = (const char **)ap_server_config_defines->elts;
4794 for (i = 0; i < ap_server_config_defines->nelts; i++) {
4795 const char *name = defines[i];
4796 const char *val = NULL;
4797 if (server_config_defined_vars)
4798 val = apr_table_get(server_config_defined_vars, name);
4800 apr_file_printf(out, "Define: %s=%s\n", name, val);
4802 apr_file_printf(out, "Define: %s\n", name);
4806 static void register_hooks(apr_pool_t *p)
4808 errorlog_hash = apr_hash_make(p);
4809 ap_register_log_hooks(p);
4810 ap_register_config_hooks(p);
4813 /* create_connection and pre_connection should always be hooked
4814 * APR_HOOK_REALLY_LAST by core to give other modules the opportunity
4815 * to install alternate network transports and stop other functions
4818 ap_hook_create_connection(core_create_conn, NULL, NULL,
4819 APR_HOOK_REALLY_LAST);
4820 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4821 APR_HOOK_REALLY_LAST);
4823 ap_hook_pre_config(core_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
4824 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4825 ap_hook_check_config(core_check_config,NULL,NULL,APR_HOOK_FIRST);
4826 ap_hook_test_config(core_dump_config,NULL,NULL,APR_HOOK_FIRST);
4827 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4828 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4829 ap_hook_open_logs(ap_open_logs,NULL,NULL,APR_HOOK_REALLY_FIRST);
4830 ap_hook_child_init(core_child_init,NULL,NULL,APR_HOOK_REALLY_FIRST);
4831 ap_hook_child_init(ap_logs_child_init,NULL,NULL,APR_HOOK_MIDDLE);
4832 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4833 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4834 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4835 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4836 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4837 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4839 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4840 ap_hook_child_status(ap_core_child_status, NULL, NULL, APR_HOOK_MIDDLE);
4841 ap_hook_insert_network_bucket(core_insert_network_bucket, NULL, NULL,
4842 APR_HOOK_REALLY_LAST);
4844 /* register the core's insert_filter hook and register core-provided
4847 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4849 ap_core_input_filter_handle =
4850 ap_register_input_filter("CORE_IN", ap_core_input_filter,
4851 NULL, AP_FTYPE_NETWORK);
4852 ap_content_length_filter_handle =
4853 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4854 NULL, AP_FTYPE_PROTOCOL);
4855 ap_core_output_filter_handle =
4856 ap_register_output_filter("CORE", ap_core_output_filter,
4857 NULL, AP_FTYPE_NETWORK);
4858 ap_subreq_core_filter_handle =
4859 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4860 NULL, AP_FTYPE_CONTENT_SET);
4862 ap_register_output_filter("OLD_WRITE", ap_old_write_filter,
4863 NULL, AP_FTYPE_RESOURCE - 10);
4866 AP_DECLARE_MODULE(core) = {
4868 AP_PLATFORM_REWRITE_ARGS_HOOK, /* hook to run before apache parses args */
4869 create_core_dir_config, /* create per-directory config structure */
4870 merge_core_dir_configs, /* merge per-directory config structures */
4871 create_core_server_config, /* create per-server config structure */
4872 merge_core_server_configs, /* merge per-server config structures */
4873 core_cmds, /* command apr_table_t */
4874 register_hooks /* register hooks */