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 (new->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 if (!conf->sec_file) {
319 conf->sec_file = new->sec_file;
321 else if (new->sec_file) {
322 /* If we merge, the merge-result must have its own array
324 conf->sec_file = apr_array_append(a, base->sec_file, new->sec_file);
326 /* Otherwise we simply use the base->sec_file array
330 conf->sec_if = new->sec_if;
332 else if (new->sec_if) {
333 /* If we merge, the merge-result must have its own array
335 conf->sec_if = apr_array_append(a, base->sec_if, new->sec_if);
337 /* Otherwise we simply use the base->sec_if array
340 if (new->server_signature != srv_sig_unset) {
341 conf->server_signature = new->server_signature;
344 if (new->add_default_charset != ADD_DEFAULT_CHARSET_UNSET) {
345 conf->add_default_charset = new->add_default_charset;
346 conf->add_default_charset_name = new->add_default_charset_name;
349 /* Overriding all negotiation
351 if (new->mime_type) {
352 conf->mime_type = new->mime_type;
356 conf->handler = new->handler;
359 if (new->output_filters) {
360 conf->output_filters = new->output_filters;
363 if (new->input_filters) {
364 conf->input_filters = new->input_filters;
368 * Now merge the setting of the FileETag directive.
370 if (new->etag_bits == ETAG_UNSET) {
372 (conf->etag_add & (~ new->etag_remove)) | new->etag_add;
374 (conf->etag_remove & (~ new->etag_add)) | new->etag_remove;
376 (conf->etag_bits & (~ conf->etag_remove)) | conf->etag_add;
379 conf->etag_bits = new->etag_bits;
380 conf->etag_add = new->etag_add;
381 conf->etag_remove = new->etag_remove;
384 if (conf->etag_bits != ETAG_NONE) {
385 conf->etag_bits &= (~ ETAG_NONE);
388 if (new->enable_mmap != ENABLE_MMAP_UNSET) {
389 conf->enable_mmap = new->enable_mmap;
392 if (new->enable_sendfile != ENABLE_SENDFILE_UNSET) {
393 conf->enable_sendfile = new->enable_sendfile;
396 conf->allow_encoded_slashes = new->allow_encoded_slashes;
397 conf->decode_encoded_slashes = new->decode_encoded_slashes;
401 conf->log = new->log;
404 conf->log = ap_new_log_config(a, new->log);
405 ap_merge_log_config(base->log, conf->log);
409 conf->max_ranges = new->max_ranges != AP_MAXRANGES_UNSET ? new->max_ranges : base->max_ranges;
410 conf->max_overlaps = new->max_overlaps != AP_MAXRANGES_UNSET ? new->max_overlaps : base->max_overlaps;
411 conf->max_reversals = new->max_reversals != AP_MAXRANGES_UNSET ? new->max_reversals : base->max_reversals;
416 #if APR_HAS_SO_ACCEPTFILTER
417 #ifndef ACCEPT_FILTER_NAME
418 #define ACCEPT_FILTER_NAME "httpready"
419 #ifdef __FreeBSD_version
420 #if __FreeBSD_version < 411000 /* httpready broken before 4.1.1 */
421 #undef ACCEPT_FILTER_NAME
422 #define ACCEPT_FILTER_NAME "dataready"
428 static void *create_core_server_config(apr_pool_t *a, server_rec *s)
430 core_server_config *conf;
431 int is_virtual = s->is_virtual;
433 conf = (core_server_config *)apr_pcalloc(a, sizeof(core_server_config));
435 /* global-default / global-only settings */
438 conf->ap_document_root = DOCUMENT_LOCATION;
439 conf->access_name = DEFAULT_ACCESS_FNAME;
441 /* A mapping only makes sense in the global context */
442 conf->accf_map = apr_table_make(a, 5);
443 #if APR_HAS_SO_ACCEPTFILTER
444 apr_table_setn(conf->accf_map, "http", ACCEPT_FILTER_NAME);
445 apr_table_setn(conf->accf_map, "https", "dataready");
447 apr_table_setn(conf->accf_map, "http", "data");
448 apr_table_setn(conf->accf_map, "https", "data");
451 /* pcalloc'ed - we have NULL's/0's
452 else ** is_virtual ** {
453 conf->ap_document_root = NULL;
454 conf->access_name = NULL;
455 conf->accf_map = NULL;
459 /* initialization, no special case for global context */
461 conf->sec_dir = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
462 conf->sec_url = apr_array_make(a, 40, sizeof(ap_conf_vector_t *));
464 /* pcalloc'ed - we have NULL's/0's
465 conf->gprof_dir = NULL;
467 ** recursion stopper; 0 == unset
468 conf->redirect_limit = 0;
469 conf->subreq_limit = 0;
471 conf->protocol = NULL;
474 conf->trace_enable = AP_TRACE_UNSET;
479 static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv)
481 core_server_config *base = (core_server_config *)basev;
482 core_server_config *virt = (core_server_config *)virtv;
483 core_server_config *conf = (core_server_config *)
484 apr_pmemdup(p, base, sizeof(core_server_config));
486 if (virt->ap_document_root)
487 conf->ap_document_root = virt->ap_document_root;
489 if (virt->access_name)
490 conf->access_name = virt->access_name;
492 /* XXX optimize to keep base->sec_ pointers if virt->sec_ array is empty */
493 conf->sec_dir = apr_array_append(p, base->sec_dir, virt->sec_dir);
494 conf->sec_url = apr_array_append(p, base->sec_url, virt->sec_url);
496 if (virt->redirect_limit)
497 conf->redirect_limit = virt->redirect_limit;
499 if (virt->subreq_limit)
500 conf->subreq_limit = virt->subreq_limit;
502 if (virt->trace_enable != AP_TRACE_UNSET)
503 conf->trace_enable = virt->trace_enable;
505 /* no action for virt->accf_map, not allowed per-vhost */
508 conf->protocol = virt->protocol;
511 conf->gprof_dir = virt->gprof_dir;
513 if (virt->error_log_format)
514 conf->error_log_format = virt->error_log_format;
516 if (virt->error_log_conn)
517 conf->error_log_conn = virt->error_log_conn;
519 if (virt->error_log_req)
520 conf->error_log_req = virt->error_log_req;
525 /* Add per-directory configuration entry (for <directory> section);
526 * these are part of the core server config.
529 AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
531 core_server_config *sconf = ap_get_core_module_config(s->module_config);
532 void **new_space = (void **)apr_array_push(sconf->sec_dir);
534 *new_space = dir_config;
537 AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config)
539 core_server_config *sconf = ap_get_core_module_config(s->module_config);
540 void **new_space = (void **)apr_array_push(sconf->sec_url);
542 *new_space = url_config;
545 AP_CORE_DECLARE(void) ap_add_file_conf(apr_pool_t *p, core_dir_config *conf,
551 conf->sec_file = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
553 new_space = (void **)apr_array_push(conf->sec_file);
554 *new_space = url_config;
557 AP_CORE_DECLARE(const char *) ap_add_if_conf(apr_pool_t *p,
558 core_dir_config *conf,
562 core_dir_config *new = ap_get_module_config(if_config, &core_module);
565 conf->sec_if = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
567 if (new->condition_ifelse & AP_CONDITION_ELSE) {
569 if (conf->sec_if->nelts > 0) {
570 core_dir_config *last;
571 ap_conf_vector_t *lastelt = APR_ARRAY_IDX(conf->sec_if,
572 conf->sec_if->nelts - 1,
574 last = ap_get_module_config(lastelt, &core_module);
575 if (last->condition_ifelse & AP_CONDITION_IF)
579 return "<Else> or <ElseIf> section without previous <If> or "
580 "<ElseIf> section in same scope";
583 new_space = (void **)apr_array_push(conf->sec_if);
584 *new_space = if_config;
589 /* We need to do a stable sort, qsort isn't stable. So to make it stable
590 * we'll be maintaining the original index into the list, and using it
591 * as the minor key during sorting. The major key is the number of
592 * components (where the root component is zero).
594 struct reorder_sort_rec {
595 ap_conf_vector_t *elt;
599 static int reorder_sorter(const void *va, const void *vb)
601 const struct reorder_sort_rec *a = va;
602 const struct reorder_sort_rec *b = vb;
603 core_dir_config *core_a;
604 core_dir_config *core_b;
606 core_a = ap_get_core_module_config(a->elt);
607 core_b = ap_get_core_module_config(b->elt);
609 /* a regex always sorts after a non-regex
611 if (!core_a->r && core_b->r) {
614 else if (core_a->r && !core_b->r) {
618 /* we always sort next by the number of components
620 if (core_a->d_components < core_b->d_components) {
623 else if (core_a->d_components > core_b->d_components) {
627 /* They have the same number of components, we now have to compare
628 * the minor key to maintain the original order (from the config.)
630 return a->orig_index - b->orig_index;
633 void ap_core_reorder_directories(apr_pool_t *p, server_rec *s)
635 core_server_config *sconf;
636 apr_array_header_t *sec_dir;
637 struct reorder_sort_rec *sortbin;
639 ap_conf_vector_t **elts;
643 sconf = ap_get_core_module_config(s->module_config);
644 sec_dir = sconf->sec_dir;
645 nelts = sec_dir->nelts;
646 elts = (ap_conf_vector_t **)sec_dir->elts;
649 /* simple case of already being sorted... */
650 /* We're not checking this condition to be fast... we're checking
651 * it to avoid trying to palloc zero bytes, which can trigger some
652 * memory debuggers to barf
657 /* we have to allocate tmp space to do a stable sort */
658 apr_pool_create(&tmp, p);
659 sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin));
660 for (i = 0; i < nelts; ++i) {
661 sortbin[i].orig_index = i;
662 sortbin[i].elt = elts[i];
665 qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
667 /* and now copy back to the original array */
668 for (i = 0; i < nelts; ++i) {
669 elts[i] = sortbin[i].elt;
672 apr_pool_destroy(tmp);
675 /*****************************************************************
677 * There are some elements of the core config structures in which
678 * other modules have a legitimate interest (this is ugly, but necessary
679 * to preserve NCSA back-compatibility). So, we have a bunch of accessors
683 AP_DECLARE(int) ap_allow_options(request_rec *r)
685 core_dir_config *conf =
686 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
691 AP_DECLARE(int) ap_allow_overrides(request_rec *r)
693 core_dir_config *conf;
694 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
696 return conf->override;
700 * Optional function coming from mod_authn_core, used for
701 * retrieving the type of autorization
703 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_type) *authn_ap_auth_type;
705 AP_DECLARE(const char *) ap_auth_type(request_rec *r)
707 if (authn_ap_auth_type) {
708 return authn_ap_auth_type(r);
714 * Optional function coming from mod_authn_core, used for
715 * retrieving the authorization realm
717 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_name) *authn_ap_auth_name;
719 AP_DECLARE(const char *) ap_auth_name(request_rec *r)
721 if (authn_ap_auth_name) {
722 return authn_ap_auth_name(r);
728 * Optional function coming from mod_access_compat, used to determine how
729 access control interacts with authentication/authorization
731 static APR_OPTIONAL_FN_TYPE(access_compat_ap_satisfies) *access_compat_ap_satisfies;
733 AP_DECLARE(int) ap_satisfies(request_rec *r)
735 if (access_compat_ap_satisfies) {
736 return access_compat_ap_satisfies(r);
738 return SATISFY_NOSPEC;
741 AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */
743 core_server_config *sconf;
744 core_request_config *rconf = ap_get_core_module_config(r->request_config);
745 if (rconf->document_root)
746 return rconf->document_root;
747 sconf = ap_get_core_module_config(r->server->module_config);
748 return sconf->ap_document_root;
751 AP_DECLARE(const char *) ap_context_prefix(request_rec *r)
753 core_request_config *conf = ap_get_core_module_config(r->request_config);
754 if (conf->context_prefix)
755 return conf->context_prefix;
760 AP_DECLARE(const char *) ap_context_document_root(request_rec *r)
762 core_request_config *conf = ap_get_core_module_config(r->request_config);
763 if (conf->context_document_root)
764 return conf->context_document_root;
766 return ap_document_root(r);
769 AP_DECLARE(void) ap_set_document_root(request_rec *r, const char *document_root)
771 core_request_config *conf = ap_get_core_module_config(r->request_config);
772 conf->document_root = document_root;
775 AP_DECLARE(void) ap_set_context_info(request_rec *r, const char *context_prefix,
776 const char *context_document_root)
778 core_request_config *conf = ap_get_core_module_config(r->request_config);
780 conf->context_prefix = context_prefix;
781 if (context_document_root)
782 conf->context_document_root = context_document_root;
785 /* Should probably just get rid of this... the only code that cares is
786 * part of the core anyway (and in fact, it isn't publicised to other
790 char *ap_response_code_string(request_rec *r, int error_index)
792 core_dir_config *dirconf;
793 core_request_config *reqconf = ap_get_core_module_config(r->request_config);
795 /* check for string registered via ap_custom_response() first */
796 if (reqconf->response_code_strings != NULL &&
797 reqconf->response_code_strings[error_index] != NULL) {
798 return reqconf->response_code_strings[error_index];
801 /* check for string specified via ErrorDocument */
802 dirconf = ap_get_core_module_config(r->per_dir_config);
804 if (dirconf->response_code_strings == NULL) {
808 if (dirconf->response_code_strings[error_index] == &errordocument_default) {
812 return dirconf->response_code_strings[error_index];
816 /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
817 static APR_INLINE void do_double_reverse (conn_rec *conn)
822 if (conn->double_reverse) {
827 if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
828 /* single reverse failed, so don't bother */
829 conn->double_reverse = -1;
833 rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool);
834 if (rv == APR_SUCCESS) {
836 if (apr_sockaddr_equal(sa, conn->client_addr)) {
837 conn->double_reverse = 1;
845 conn->double_reverse = -1;
848 AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
849 int type, int *str_is_ip)
851 int hostname_lookups;
852 int ignored_str_is_ip;
854 if (!str_is_ip) { /* caller doesn't want to know */
855 str_is_ip = &ignored_str_is_ip;
859 /* If we haven't checked the host name, and we want to */
861 hostname_lookups = ((core_dir_config *)ap_get_core_module_config(dir_config))
864 if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
865 hostname_lookups = HOSTNAME_LOOKUP_OFF;
870 hostname_lookups = HOSTNAME_LOOKUP_OFF;
873 if (type != REMOTE_NOLOOKUP
874 && conn->remote_host == NULL
875 && (type == REMOTE_DOUBLE_REV
876 || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
878 if (apr_getnameinfo(&conn->remote_host, conn->client_addr, 0)
880 ap_str_tolower(conn->remote_host);
882 if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
883 do_double_reverse(conn);
884 if (conn->double_reverse != 1) {
885 conn->remote_host = NULL;
890 /* if failed, set it to the NULL string to indicate error */
891 if (conn->remote_host == NULL) {
892 conn->remote_host = "";
896 if (type == REMOTE_DOUBLE_REV) {
897 do_double_reverse(conn);
898 if (conn->double_reverse == -1) {
904 * Return the desired information; either the remote DNS name, if found,
905 * or either NULL (if the hostname was requested) or the IP address
906 * (if any identifier was requested).
908 if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
909 return conn->remote_host;
912 if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
917 return conn->client_ip;
923 * Optional function coming from mod_ident, used for looking up ident user
925 static APR_OPTIONAL_FN_TYPE(ap_ident_lookup) *ident_lookup;
927 AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r)
929 if (r->connection->remote_logname != NULL) {
930 return r->connection->remote_logname;
934 return ident_lookup(r);
940 /* There are two options regarding what the "name" of a server is. The
941 * "canonical" name as defined by ServerName and Port, or the "client's
942 * name" as supplied by a possible Host: header or full URI.
944 * The DNS option to UseCanonicalName causes this routine to do a
945 * reverse lookup on the local IP address of the connection and use
946 * that for the ServerName. This makes its value more reliable while
947 * at the same time allowing Demon's magic virtual hosting to work.
948 * The assumption is that DNS lookups are sufficiently quick...
951 AP_DECLARE(const char *) ap_get_server_name(request_rec *r)
953 conn_rec *conn = r->connection;
957 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
959 switch (d->use_canonical_name) {
960 case USE_CANONICAL_NAME_ON:
961 retval = r->server->server_hostname;
963 case USE_CANONICAL_NAME_DNS:
964 if (conn->local_host == NULL) {
965 if (apr_getnameinfo(&conn->local_host,
966 conn->local_addr, 0) != APR_SUCCESS)
967 conn->local_host = apr_pstrdup(conn->pool,
968 r->server->server_hostname);
970 ap_str_tolower(conn->local_host);
973 retval = conn->local_host;
975 case USE_CANONICAL_NAME_OFF:
976 case USE_CANONICAL_NAME_UNSET:
977 retval = r->hostname ? r->hostname : r->server->server_hostname;
980 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00109)
981 "ap_get_server_name: Invalid UCN Option somehow");
982 retval = "localhost";
989 * Get the current server name from the request for the purposes
990 * of using in a URL. If the server name is an IPv6 literal
991 * address, it will be returned in URL format (e.g., "[fe80::1]").
993 AP_DECLARE(const char *) ap_get_server_name_for_url(request_rec *r)
995 const char *plain_server_name = ap_get_server_name(r);
998 if (ap_strchr_c(plain_server_name, ':')) { /* IPv6 literal? */
999 return apr_pstrcat(r->pool, "[", plain_server_name, "]", NULL);
1002 return plain_server_name;
1005 AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r)
1008 core_dir_config *d =
1009 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1011 switch (d->use_canonical_name) {
1012 case USE_CANONICAL_NAME_OFF:
1013 case USE_CANONICAL_NAME_DNS:
1014 case USE_CANONICAL_NAME_UNSET:
1015 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1016 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1017 r->connection->local_addr->port ? r->connection->local_addr->port :
1018 r->server->port ? r->server->port :
1020 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1021 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1022 r->server->port ? r->server->port :
1025 case USE_CANONICAL_NAME_ON:
1026 /* With UseCanonicalName on (and in all versions prior to 1.3)
1027 * Apache will use the hostname and port specified in the
1028 * ServerName directive to construct a canonical name for the
1029 * server. (If no port was specified in the ServerName
1030 * directive, Apache uses the port supplied by the client if
1031 * any is supplied, and finally the default port for the protocol
1034 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1035 port = r->server->port ? r->server->port :
1036 r->connection->local_addr->port ? r->connection->local_addr->port :
1038 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1039 port = r->server->port ? r->server->port :
1043 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00110)
1044 "ap_get_server_port: Invalid UCN Option somehow");
1045 port = ap_default_port(r);
1052 AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri,
1055 unsigned port = ap_get_server_port(r);
1056 const char *host = ap_get_server_name_for_url(r);
1058 if (ap_is_default_port(port, r)) {
1059 return apr_pstrcat(p, ap_http_scheme(r), "://", host, uri, NULL);
1062 return apr_psprintf(p, "%s://%s:%u%s", ap_http_scheme(r), host, port, uri);
1065 AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r)
1067 core_dir_config *d =
1068 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1070 if (d->limit_req_body == AP_LIMIT_REQ_BODY_UNSET) {
1071 return AP_DEFAULT_LIMIT_REQ_BODY;
1074 return d->limit_req_body;
1078 /*****************************************************************
1080 * Commands... this module handles almost all of the NCSA httpd.conf
1081 * commands, but most of the old srm.conf is in the the modules.
1085 /* returns a parent if it matches the given directive */
1086 static const ap_directive_t * find_parent(const ap_directive_t *dirp,
1089 while (dirp->parent != NULL) {
1090 dirp = dirp->parent;
1092 /* ### it would be nice to have atom-ized directives */
1093 if (strcasecmp(dirp->directive, what) == 0)
1100 AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd,
1103 const char *gt = (cmd->cmd->name[0] == '<'
1104 && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
1106 const ap_directive_t *found;
1108 if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
1109 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1110 " cannot occur within <VirtualHost> section", NULL);
1113 if ((forbidden & (NOT_IN_LIMIT | NOT_IN_DIR_LOC_FILE))
1114 && cmd->limited != -1) {
1115 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1116 " cannot occur within <Limit> or <LimitExcept> "
1120 if ((forbidden & NOT_IN_HTACCESS) && (cmd->pool == cmd->temp_pool)) {
1121 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1122 " cannot occur within htaccess files", NULL);
1125 if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE) {
1126 if (cmd->path != NULL) {
1127 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1128 " cannot occur within <Directory/Location/Files> "
1131 if (cmd->cmd->req_override & EXEC_ON_READ) {
1132 /* EXEC_ON_READ must be NOT_IN_DIR_LOC_FILE, if not, it will
1133 * (deliberately) segfault below in the individual tests...
1139 if (((forbidden & NOT_IN_DIRECTORY)
1140 && ((found = find_parent(cmd->directive, "<Directory"))
1141 || (found = find_parent(cmd->directive, "<DirectoryMatch"))))
1142 || ((forbidden & NOT_IN_LOCATION)
1143 && ((found = find_parent(cmd->directive, "<Location"))
1144 || (found = find_parent(cmd->directive, "<LocationMatch"))))
1145 || ((forbidden & NOT_IN_FILES)
1146 && ((found = find_parent(cmd->directive, "<Files"))
1147 || (found = find_parent(cmd->directive, "<FilesMatch"))))) {
1148 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1149 " cannot occur within ", found->directive,
1156 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1159 void *sconf = cmd->server->module_config;
1160 core_server_config *conf = ap_get_core_module_config(sconf);
1162 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1167 conf->access_name = apr_pstrdup(cmd->pool, arg);
1171 AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
1173 # define SMALL_EXPANSION 5
1178 } *result, *current, sresult[SMALL_EXPANSION];
1180 const char *s, *e, *ep;
1184 s = ap_strchr_c(word, '$');
1189 /* well, actually something to do */
1190 ep = word + strlen(word);
1192 result = current = &(sresult[spc++]);
1193 current->next = NULL;
1194 current->string = word;
1195 current->len = s - word;
1196 outlen = current->len;
1199 /* prepare next entry */
1201 current->next = (spc < SMALL_EXPANSION)
1203 : (struct sll *)apr_palloc(p,
1204 sizeof(*current->next));
1205 current = current->next;
1206 current->next = NULL;
1211 if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
1212 char *name = apr_pstrndup(p, s+2, e-s-2);
1214 if (server_config_defined_vars)
1215 word = apr_table_get(server_config_defined_vars, name);
1217 word = getenv(name);
1219 current->string = word;
1220 current->len = strlen(word);
1221 outlen += current->len;
1224 if (ap_strchr(name, ':') == 0)
1225 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL, APLOGNO(00111)
1226 "Config variable ${%s} is not defined",
1228 current->string = s;
1229 current->len = e - s + 1;
1230 outlen += current->len;
1235 current->string = s++;
1242 s = ap_strchr_c(s, '$');
1243 current->string = word;
1244 current->len = s ? s - word : ep - word;
1245 outlen += current->len;
1249 /* assemble result */
1250 res_buf = cp = apr_palloc(p, outlen + 1);
1253 memcpy(cp, result->string, result->len);
1256 result = result->next;
1258 res_buf[outlen] = '\0';
1263 static int reset_config_defines(void *dummy)
1265 ap_server_config_defines = saved_server_config_defines;
1266 server_config_defined_vars = NULL;
1271 * Make sure we can revert the effects of Define/UnDefine when restarting.
1272 * This function must be called once per loading of the config, before
1273 * ap_server_config_defines is changed. This may be during reading of the
1274 * config, which is even before the pre_config hook is run (due to
1275 * EXEC_ON_READ for Define/UnDefine).
1277 static void init_config_defines(apr_pool_t *pconf)
1279 saved_server_config_defines = ap_server_config_defines;
1280 /* Use apr_array_copy instead of apr_array_copy_hdr because it does not
1281 * protect from the way unset_define removes entries.
1283 ap_server_config_defines = apr_array_copy(pconf, ap_server_config_defines);
1286 static const char *set_define(cmd_parms *cmd, void *dummy,
1287 const char *name, const char *value)
1289 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1292 if (ap_strchr_c(name, ':') != NULL)
1293 return "Variable name must not contain ':'";
1295 if (!saved_server_config_defines)
1296 init_config_defines(cmd->pool);
1297 if (!ap_exists_config_define(name)) {
1298 char **newv = (char **)apr_array_push(ap_server_config_defines);
1299 *newv = apr_pstrdup(cmd->pool, name);
1302 if (!server_config_defined_vars)
1303 server_config_defined_vars = apr_table_make(cmd->pool, 5);
1304 apr_table_setn(server_config_defined_vars, name, value);
1310 static const char *unset_define(cmd_parms *cmd, void *dummy,
1315 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1318 if (ap_strchr_c(name, ':') != NULL)
1319 return "Variable name must not contain ':'";
1321 if (!saved_server_config_defines)
1322 init_config_defines(cmd->pool);
1324 defines = (char **)ap_server_config_defines->elts;
1325 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1326 if (strcmp(defines[i], name) == 0) {
1327 defines[i] = apr_array_pop(ap_server_config_defines);
1332 if (server_config_defined_vars) {
1333 apr_table_unset(server_config_defined_vars, name);
1339 static const char *generate_error(cmd_parms *cmd, void *dummy,
1342 if (!arg || !*arg) {
1343 return "The Error directive was used with no message.";
1346 if (*arg == '"' || *arg == '\'') { /* strip off quotes */
1347 apr_size_t len = strlen(arg);
1348 char last = *(arg + len - 1);
1351 return apr_pstrndup(cmd->pool, arg + 1, len - 2);
1359 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1361 void *sconf = cmd->server->module_config;
1362 core_server_config *conf = ap_get_core_module_config(sconf);
1364 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1369 conf->gprof_dir = arg;
1374 static const char *set_add_default_charset(cmd_parms *cmd,
1375 void *d_, const char *arg)
1377 core_dir_config *d = d_;
1379 if (!strcasecmp(arg, "Off")) {
1380 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1382 else if (!strcasecmp(arg, "On")) {
1383 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1384 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1387 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1388 d->add_default_charset_name = arg;
1394 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1397 void *sconf = cmd->server->module_config;
1398 core_server_config *conf = ap_get_core_module_config(sconf);
1400 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1405 /* When ap_document_root_check is false; skip all the stuff below */
1406 if (!ap_document_root_check) {
1407 conf->ap_document_root = arg;
1411 /* Make it absolute, relative to ServerRoot */
1412 arg = ap_server_root_relative(cmd->pool, arg);
1414 return "DocumentRoot must be a directory";
1417 /* TODO: ap_configtestonly */
1418 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1419 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1420 || !ap_is_directory(cmd->pool, arg)) {
1421 if (cmd->server->is_virtual) {
1422 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0,
1423 cmd->pool, APLOGNO(00112)
1424 "Warning: DocumentRoot [%s] does not exist",
1426 conf->ap_document_root = arg;
1429 return "DocumentRoot must be a directory";
1435 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1438 core_request_config *conf = ap_get_core_module_config(r->request_config);
1441 if (conf->response_code_strings == NULL) {
1442 conf->response_code_strings =
1443 apr_pcalloc(r->pool,
1444 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1447 idx = ap_index_of_response(status);
1449 conf->response_code_strings[idx] =
1450 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1451 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1454 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1455 const char *errno_str, const char *msg)
1457 core_dir_config *conf = conf_;
1458 int error_number, index_number, idx500;
1459 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1461 /* 1st parameter should be a 3 digit number, which we recognize;
1462 * convert it into an array index
1464 error_number = atoi(errno_str);
1465 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1467 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1468 index_number = idx500;
1470 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1471 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1475 /* Heuristic to determine second argument. */
1476 if (ap_strchr_c(msg,' '))
1478 else if (msg[0] == '/')
1480 else if (ap_is_url(msg))
1485 /* The entry should be ignored if it is a full URL for a 401 error */
1487 if (error_number == 401 && what == REMOTE_PATH) {
1488 ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server, APLOGNO(00113)
1489 "cannot use a full URL in a 401 ErrorDocument "
1490 "directive --- ignoring!");
1492 else { /* Store it... */
1493 if (conf->response_code_strings == NULL) {
1494 conf->response_code_strings =
1495 apr_pcalloc(cmd->pool,
1496 sizeof(*conf->response_code_strings) *
1500 if (strcmp(msg, "default") == 0) {
1501 /* special case: ErrorDocument 404 default restores the
1502 * canned server error response
1504 conf->response_code_strings[index_number] = &errordocument_default;
1507 /* hack. Prefix a " if it is a msg; as that is what
1508 * http_protocol.c relies on to distinguish between
1509 * a msg and a (local) path.
1511 conf->response_code_strings[index_number] = (what == MSG) ?
1512 apr_pstrcat(cmd->pool, "\"", msg, NULL) :
1513 apr_pstrdup(cmd->pool, msg);
1520 static const char *set_allow_opts(cmd_parms *cmd, allow_options_t *opts,
1523 allow_options_t opt;
1526 char *w, *p = (char *) l;
1529 while ((w = apr_strtok(p, ",", &tok_state)) != NULL) {
1537 if (!strcasecmp(w, "Indexes")) {
1540 else if (!strcasecmp(w, "Includes")) {
1541 /* If Includes is permitted, both Includes and
1542 * IncludesNOEXEC may be changed. */
1543 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1545 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1548 else if (!strcasecmp(w, "FollowSymLinks")) {
1549 opt = OPT_SYM_LINKS;
1551 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1552 opt = OPT_SYM_OWNER;
1554 else if (!strcasecmp(w, "ExecCGI")) {
1557 else if (!strcasecmp(w, "MultiViews")) {
1560 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1561 opt = OPT_MULTI|OPT_EXECCGI;
1563 else if (!strcasecmp(w, "None")) {
1566 else if (!strcasecmp(w, "All")) {
1570 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1576 (*opts) &= (~OPT_UNSET);
1581 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1583 core_dir_config *d = d_;
1588 /* Throw a warning if we're in <Location> or <Files> */
1589 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1590 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00114)
1591 "Useless use of AllowOverride in line %d of %s.",
1592 cmd->directive->line_num, cmd->directive->filename);
1594 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1597 d->override = OR_NONE;
1599 w = ap_getword_conf(cmd->temp_pool, &l);
1607 if (!strcasecmp(w, "Limit")) {
1608 d->override |= OR_LIMIT;
1610 else if (!strcasecmp(k, "Options")) {
1611 d->override |= OR_OPTIONS;
1613 set_allow_opts(cmd, &(d->override_opts), v);
1615 d->override_opts = OPT_ALL;
1617 else if (!strcasecmp(w, "FileInfo")) {
1618 d->override |= OR_FILEINFO;
1620 else if (!strcasecmp(w, "AuthConfig")) {
1621 d->override |= OR_AUTHCFG;
1623 else if (!strcasecmp(w, "Indexes")) {
1624 d->override |= OR_INDEXES;
1626 else if (!strcasecmp(w, "Nonfatal")) {
1627 if (!strcasecmp(v, "Override")) {
1628 d->override |= NONFATAL_OVERRIDE;
1630 else if (!strcasecmp(v, "Unknown")) {
1631 d->override |= NONFATAL_UNKNOWN;
1633 else if (!strcasecmp(v, "All")) {
1634 d->override |= NONFATAL_ALL;
1637 else if (!strcasecmp(w, "None")) {
1638 d->override = OR_NONE;
1640 else if (!strcasecmp(w, "All")) {
1641 d->override = OR_ALL;
1644 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1647 d->override &= ~OR_UNSET;
1653 static const char *set_override_list(cmd_parms *cmd, void *d_, int argc, char *const argv[])
1655 core_dir_config *d = d_;
1659 /* Throw a warning if we're in <Location> or <Files> */
1660 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1661 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00115)
1662 "Useless use of AllowOverrideList at %s:%d",
1663 cmd->directive->filename, cmd->directive->line_num);
1665 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1668 d->override_list = apr_table_make(cmd->pool, argc);
1670 for (i=0;i<argc;i++){
1671 if (!strcasecmp(argv[i], "None")) {
1673 return "'None' not allowed with other directives in "
1674 "AllowOverrideList";
1679 const command_rec *result = NULL;
1680 module *mod = ap_top_module;
1681 result = ap_find_command_in_modules(argv[i], &mod);
1682 if (result == NULL) {
1683 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1684 APLOGNO(00116) "Discarding unrecognized "
1685 "directive `%s' in AllowOverrideList at %s:%d",
1686 argv[i], cmd->directive->filename,
1687 cmd->directive->line_num);
1690 else if ((result->req_override & (OR_ALL|ACCESS_CONF)) == 0) {
1691 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1692 APLOGNO(02304) "Discarding directive `%s' not "
1693 "allowed in AllowOverrideList at %s:%d",
1694 argv[i], cmd->directive->filename,
1695 cmd->directive->line_num);
1699 apr_table_set(d->override_list, argv[i], "1");
1707 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1709 core_dir_config *d = d_;
1710 allow_options_t opt;
1717 char *w = ap_getword_conf(cmd->temp_pool, &l);
1720 if (*w == '+' || *w == '-') {
1722 if (!merge && !first && !all_none) {
1723 return "Either all Options must start with + or -, or no Option may.";
1731 return "Either all Options must start with + or -, or no Option may.";
1734 if (!strcasecmp(w, "Indexes")) {
1737 else if (!strcasecmp(w, "Includes")) {
1738 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1740 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1743 else if (!strcasecmp(w, "FollowSymLinks")) {
1744 opt = OPT_SYM_LINKS;
1746 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1747 opt = OPT_SYM_OWNER;
1749 else if (!strcasecmp(w, "ExecCGI")) {
1752 else if (!strcasecmp(w, "MultiViews")) {
1755 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1756 opt = OPT_MULTI|OPT_EXECCGI;
1758 else if (!strcasecmp(w, "None")) {
1760 return "'Options None' must be the first Option given.";
1762 else if (merge) { /* Only works since None may not follow any other option. */
1763 return "You may not use 'Options +None' or 'Options -None'.";
1768 else if (!strcasecmp(w, "All")) {
1770 return "'Options All' must be the first option given.";
1772 else if (merge) { /* Only works since All may not follow any other option. */
1773 return "You may not use 'Options +All' or 'Options -All'.";
1779 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1782 if ( (cmd->override_opts & opt) != opt ) {
1783 return apr_pstrcat(cmd->pool, "Option ", w, " not allowed here", NULL);
1785 else if (action == '-') {
1786 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1787 d->opts_remove |= opt;
1788 d->opts_add &= ~opt;
1791 else if (action == '+') {
1793 d->opts_remove &= ~opt;
1806 static const char *set_default_type(cmd_parms *cmd, void *d_,
1809 if ((strcasecmp(arg, "off") != 0) && (strcasecmp(arg, "none") != 0)) {
1810 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00117)
1811 "Ignoring deprecated use of DefaultType in line %d of %s.",
1812 cmd->directive->line_num, cmd->directive->filename);
1819 * Note what data should be used when forming file ETag values.
1820 * It would be nicer to do this as an ITERATE, but then we couldn't
1821 * remember the +/- state properly.
1823 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1826 core_dir_config *cfg;
1827 etag_components_t bit;
1835 cfg = (core_dir_config *)mconfig;
1840 while (args[0] != '\0') {
1844 token = ap_getword_conf(cmd->temp_pool, &args);
1845 if ((*token == '+') || (*token == '-')) {
1851 * The occurrence of an absolute setting wipes
1852 * out any previous relative ones. The first such
1853 * occurrence forgets any inherited ones, too.
1856 cfg->etag_bits = ETAG_UNSET;
1857 cfg->etag_add = ETAG_UNSET;
1858 cfg->etag_remove = ETAG_UNSET;
1863 if (strcasecmp(token, "None") == 0) {
1864 if (action != '*') {
1868 cfg->etag_bits = bit = ETAG_NONE;
1872 else if (strcasecmp(token, "All") == 0) {
1873 if (action != '*') {
1878 cfg->etag_bits = bit = ETAG_ALL;
1881 else if (strcasecmp(token, "Size") == 0) {
1884 else if ((strcasecmp(token, "LMTime") == 0)
1885 || (strcasecmp(token, "MTime") == 0)
1886 || (strcasecmp(token, "LastModified") == 0)) {
1889 else if (strcasecmp(token, "INode") == 0) {
1893 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1894 token, "' for ", cmd->cmd->name,
1895 " directive", NULL);
1899 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1900 token, "' cannot be used with '+' or '-'",
1904 if (action == '+') {
1906 * Make sure it's in the 'add' list and absent from the
1909 cfg->etag_add |= bit;
1910 cfg->etag_remove &= (~ bit);
1912 else if (action == '-') {
1913 cfg->etag_remove |= bit;
1914 cfg->etag_add &= (~ bit);
1918 * Non-relative values wipe out any + or - values
1919 * accumulated so far.
1921 cfg->etag_bits |= bit;
1922 cfg->etag_add = ETAG_UNSET;
1923 cfg->etag_remove = ETAG_UNSET;
1929 * Any setting at all will clear the 'None' and 'Unset' bits.
1932 if (cfg->etag_add != ETAG_UNSET) {
1933 cfg->etag_add &= (~ ETAG_UNSET);
1936 if (cfg->etag_remove != ETAG_UNSET) {
1937 cfg->etag_remove &= (~ ETAG_UNSET);
1941 cfg->etag_bits &= (~ ETAG_UNSET);
1943 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1944 cfg->etag_bits &= (~ ETAG_NONE);
1951 static const char *set_enable_mmap(cmd_parms *cmd, void *d_,
1954 core_dir_config *d = d_;
1956 if (strcasecmp(arg, "on") == 0) {
1957 d->enable_mmap = ENABLE_MMAP_ON;
1959 else if (strcasecmp(arg, "off") == 0) {
1960 d->enable_mmap = ENABLE_MMAP_OFF;
1963 return "parameter must be 'on' or 'off'";
1969 static const char *set_enable_sendfile(cmd_parms *cmd, void *d_,
1972 core_dir_config *d = d_;
1974 if (strcasecmp(arg, "on") == 0) {
1975 d->enable_sendfile = ENABLE_SENDFILE_ON;
1977 else if (strcasecmp(arg, "off") == 0) {
1978 d->enable_sendfile = ENABLE_SENDFILE_OFF;
1981 return "parameter must be 'on' or 'off'";
1989 * Report a missing-'>' syntax error.
1991 static char *unclosed_directive(cmd_parms *cmd)
1993 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1994 "> directive missing closing '>'", NULL);
1998 * Report a missing args in '<Foo >' syntax error.
2000 static char *missing_container_arg(cmd_parms *cmd)
2002 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2003 "> directive requires additional arguments", NULL);
2006 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
2010 const char *endp = ap_strrchr_c(arg, '>');
2011 const char *limited_methods;
2012 void *tog = cmd->cmd->cmd_data;
2013 apr_int64_t limited = 0;
2014 apr_int64_t old_limited = cmd->limited;
2018 return unclosed_directive(cmd);
2021 limited_methods = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2023 if (!limited_methods[0]) {
2024 return missing_container_arg(cmd);
2027 while (limited_methods[0]) {
2028 char *method = ap_getword_conf(cmd->temp_pool, &limited_methods);
2031 /* check for builtin or module registered method number */
2032 methnum = ap_method_number_of(method);
2034 if (methnum == M_TRACE && !tog) {
2035 return "TRACE cannot be controlled by <Limit>, see TraceEnable";
2037 else if (methnum == M_INVALID) {
2038 /* method has not been registered yet, but resorce restriction
2039 * is always checked before method handling, so register it.
2041 methnum = ap_method_register(cmd->pool,
2042 apr_pstrdup(cmd->pool, method));
2045 limited |= (AP_METHOD_BIT << methnum);
2048 /* Killing two features with one function,
2049 * if (tog == NULL) <Limit>, else <LimitExcept>
2051 limited = tog ? ~limited : limited;
2053 if (!(old_limited & limited)) {
2054 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2055 "> directive excludes all methods", NULL);
2057 else if ((old_limited & limited) == old_limited) {
2058 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2059 "> directive specifies methods already excluded",
2063 cmd->limited &= limited;
2065 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
2067 cmd->limited = old_limited;
2072 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
2073 * the same problem!!!
2074 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
2075 * people don't get bitten by wrong-cased regex matches
2079 #define USE_ICASE AP_REG_ICASE
2084 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
2087 const char *endp = ap_strrchr_c(arg, '>');
2088 int old_overrides = cmd->override;
2089 char *old_path = cmd->path;
2090 core_dir_config *conf;
2091 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
2092 ap_regex_t *r = NULL;
2093 const command_rec *thiscmd = cmd->cmd;
2095 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2101 return unclosed_directive(cmd);
2104 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2107 return missing_container_arg(cmd);
2110 cmd->path = ap_getword_conf(cmd->pool, &arg);
2111 cmd->override = OR_ALL|ACCESS_CONF;
2113 if (!strcmp(cmd->path, "~")) {
2114 cmd->path = ap_getword_conf(cmd->pool, &arg);
2116 return "<Directory ~ > block must specify a path";
2117 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2119 return "Regex could not be compiled";
2122 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
2123 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2125 return "Regex could not be compiled";
2128 else if (!strcmp(cmd->path, "/") == 0)
2133 * Ensure that the pathname is canonical, and append the trailing /
2135 apr_status_t rv = apr_filepath_merge(&newpath, NULL, cmd->path,
2136 APR_FILEPATH_TRUENAME, cmd->pool);
2137 if (rv != APR_SUCCESS && rv != APR_EPATHWILD) {
2138 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
2139 "\"> path is invalid.", NULL);
2142 cmd->path = newpath;
2143 if (cmd->path[strlen(cmd->path) - 1] != '/')
2144 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
2147 /* initialize our config and fetch it */
2148 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
2149 &core_module, cmd->pool);
2151 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
2156 conf->d = cmd->path;
2157 conf->d_is_fnmatch = (apr_fnmatch_test(conf->d) != 0);
2159 /* Make this explicit - the "/" root has 0 elements, that is, we
2160 * will always merge it, and it will always sort and merge first.
2161 * All others are sorted and tested by the number of slashes.
2163 if (strcmp(conf->d, "/") == 0)
2164 conf->d_components = 0;
2166 conf->d_components = ap_count_dirs(conf->d);
2168 ap_add_per_dir_conf(cmd->server, new_dir_conf);
2171 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2172 "> arguments not (yet) supported.", NULL);
2175 cmd->path = old_path;
2176 cmd->override = old_overrides;
2181 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
2184 const char *endp = ap_strrchr_c(arg, '>');
2185 int old_overrides = cmd->override;
2186 char *old_path = cmd->path;
2187 core_dir_config *conf;
2188 ap_regex_t *r = NULL;
2189 const command_rec *thiscmd = cmd->cmd;
2190 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
2191 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2197 return unclosed_directive(cmd);
2200 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2203 return missing_container_arg(cmd);
2206 cmd->path = ap_getword_conf(cmd->pool, &arg);
2207 cmd->override = OR_ALL|ACCESS_CONF;
2209 if (thiscmd->cmd_data) { /* <LocationMatch> */
2210 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2212 return "Regex could not be compiled";
2215 else if (!strcmp(cmd->path, "~")) {
2216 cmd->path = ap_getword_conf(cmd->pool, &arg);
2217 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2219 return "Regex could not be compiled";
2223 /* initialize our config and fetch it */
2224 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
2225 &core_module, cmd->pool);
2227 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
2231 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
2232 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2235 ap_add_per_url_conf(cmd->server, new_url_conf);
2238 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2239 "> arguments not (yet) supported.", NULL);
2242 cmd->path = old_path;
2243 cmd->override = old_overrides;
2248 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
2251 const char *endp = ap_strrchr_c(arg, '>');
2252 int old_overrides = cmd->override;
2253 char *old_path = cmd->path;
2254 core_dir_config *conf;
2255 ap_regex_t *r = NULL;
2256 const command_rec *thiscmd = cmd->cmd;
2257 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
2258 const char *err = ap_check_cmd_context(cmd,
2259 NOT_IN_LOCATION | NOT_IN_LIMIT);
2266 return unclosed_directive(cmd);
2269 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2272 return missing_container_arg(cmd);
2275 cmd->path = ap_getword_conf(cmd->pool, &arg);
2276 /* Only if not an .htaccess file */
2278 cmd->override = OR_ALL|ACCESS_CONF;
2281 if (thiscmd->cmd_data) { /* <FilesMatch> */
2282 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2284 return "Regex could not be compiled";
2287 else if (!strcmp(cmd->path, "~")) {
2288 cmd->path = ap_getword_conf(cmd->pool, &arg);
2289 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2291 return "Regex could not be compiled";
2296 /* Ensure that the pathname is canonical, but we
2297 * can't test the case/aliases without a fixed path */
2298 if (apr_filepath_merge(&newpath, "", cmd->path,
2299 0, cmd->pool) != APR_SUCCESS)
2300 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
2301 "\"> is invalid.", NULL);
2302 cmd->path = newpath;
2305 /* initialize our config and fetch it */
2306 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
2307 &core_module, cmd->pool);
2309 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
2313 conf->d = cmd->path;
2314 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2317 ap_add_file_conf(cmd->pool, (core_dir_config *)mconfig, new_file_conf);
2320 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2321 "> arguments not (yet) supported.", NULL);
2324 cmd->path = old_path;
2325 cmd->override = old_overrides;
2330 #define COND_IF ((void *)1)
2331 #define COND_ELSE ((void *)2)
2332 #define COND_ELSEIF ((void *)3)
2334 static const char *ifsection(cmd_parms *cmd, void *mconfig, const char *arg)
2337 const char *endp = ap_strrchr_c(arg, '>');
2338 int old_overrides = cmd->override;
2339 char *old_path = cmd->path;
2340 core_dir_config *conf;
2341 const command_rec *thiscmd = cmd->cmd;
2342 ap_conf_vector_t *new_if_conf = ap_create_per_dir_config(cmd->pool);
2343 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2344 const char *condition;
2345 const char *expr_err;
2352 return unclosed_directive(cmd);
2355 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2358 /* Only if not an .htaccess file */
2360 cmd->override = OR_ALL|ACCESS_CONF;
2363 /* initialize our config and fetch it */
2364 conf = ap_set_config_vectors(cmd->server, new_if_conf, cmd->path,
2365 &core_module, cmd->pool);
2367 if (cmd->cmd->cmd_data == COND_IF)
2368 conf->condition_ifelse = AP_CONDITION_IF;
2369 else if (cmd->cmd->cmd_data == COND_ELSEIF)
2370 conf->condition_ifelse = AP_CONDITION_ELSEIF;
2371 else if (cmd->cmd->cmd_data == COND_ELSE)
2372 conf->condition_ifelse = AP_CONDITION_ELSE;
2376 if (conf->condition_ifelse == AP_CONDITION_ELSE) {
2378 return "<Else> does not take an argument";
2382 return missing_container_arg(cmd);
2383 condition = ap_getword_conf(cmd->pool, &arg);
2384 conf->condition = ap_expr_parse_cmd(cmd, condition, 0, &expr_err, NULL);
2386 return apr_psprintf(cmd->pool, "Cannot parse condition clause: %s",
2390 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_if_conf);
2394 conf->d = cmd->path;
2395 conf->d_is_fnmatch = 0;
2398 errmsg = ap_add_if_conf(cmd->pool, (core_dir_config *)mconfig, new_if_conf);
2403 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2404 "> arguments not supported.", NULL);
2407 cmd->path = old_path;
2408 cmd->override = old_overrides;
2413 static module *find_module(server_rec *s, const char *name)
2415 module *found = ap_find_linked_module(name);
2417 /* search prelinked stuff */
2419 ap_module_symbol_t *current = ap_prelinked_module_symbols;
2421 for (; current->name; ++current) {
2422 if (!strcmp(current->name, name)) {
2423 found = current->modp;
2429 /* search dynamic stuff */
2431 APR_OPTIONAL_FN_TYPE(ap_find_loaded_module_symbol) *check_symbol =
2432 APR_RETRIEVE_OPTIONAL_FN(ap_find_loaded_module_symbol);
2436 * There are two phases where calling ap_find_loaded_module_symbol
2439 * During reading of the config, ap_server_conf is invalid but s
2440 * points to the main server config, if passed from cmd->server
2441 * of an EXEC_ON_READ directive.
2443 * During config parsing, s may be a virtual host that would cause
2444 * a segfault in mod_so if passed to ap_find_loaded_module_symbol,
2445 * because mod_so's server config for vhosts is initialized later.
2446 * But ap_server_conf is already set at this time.
2448 * Therefore we use s if it is not virtual and ap_server_conf if
2451 found = check_symbol(s->is_virtual ? ap_server_conf : s, name);
2459 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
2461 const char *endp = ap_strrchr_c(arg, '>');
2462 int not = (arg[0] == '!');
2466 return unclosed_directive(cmd);
2469 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2476 return missing_container_arg(cmd);
2479 found = find_module(cmd->server, arg);
2481 if ((!not && found) || (not && !found)) {
2482 ap_directive_t *parent = NULL;
2483 ap_directive_t *current = NULL;
2486 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2487 ¤t, &parent, "<IfModule");
2488 *(ap_directive_t **)mconfig = current;
2492 *(ap_directive_t **)mconfig = NULL;
2493 return ap_soak_end_container(cmd, "<IfModule");
2497 AP_DECLARE(int) ap_exists_config_define(const char *name)
2502 defines = (char **)ap_server_config_defines->elts;
2503 for (i = 0; i < ap_server_config_defines->nelts; i++) {
2504 if (strcmp(defines[i], name) == 0) {
2512 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
2518 endp = ap_strrchr_c(arg, '>');
2520 return unclosed_directive(cmd);
2523 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2525 if (arg[0] == '!') {
2531 return missing_container_arg(cmd);
2534 defined = ap_exists_config_define(arg);
2535 if ((!not && defined) || (not && !defined)) {
2536 ap_directive_t *parent = NULL;
2537 ap_directive_t *current = NULL;
2540 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2541 ¤t, &parent, "<IfDefine");
2542 *(ap_directive_t **)dummy = current;
2546 *(ap_directive_t **)dummy = NULL;
2547 return ap_soak_end_container(cmd, "<IfDefine");
2551 /* httpd.conf commands... beginning with the <VirtualHost> business */
2553 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
2556 server_rec *main_server = cmd->server, *s;
2558 const char *endp = ap_strrchr_c(arg, '>');
2559 apr_pool_t *p = cmd->pool;
2561 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2567 return unclosed_directive(cmd);
2570 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2573 return missing_container_arg(cmd);
2576 /* FIXME: There's another feature waiting to happen here -- since you
2577 can now put multiple addresses/names on a single <VirtualHost>
2578 you might want to use it to group common definitions and then
2579 define other "subhosts" with their individual differences. But
2580 personally I'd rather just do it with a macro preprocessor. -djg */
2581 if (main_server->is_virtual) {
2582 return "<VirtualHost> doesn't nest!";
2585 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
2590 s->next = main_server->next;
2591 main_server->next = s;
2593 s->defn_name = cmd->directive->filename;
2594 s->defn_line_number = cmd->directive->line_num;
2598 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
2599 s->lookup_defaults);
2601 cmd->server = main_server;
2606 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
2609 if (!cmd->server->names) {
2610 return "ServerAlias only used in <VirtualHost>";
2614 char **item, *name = ap_getword_conf(cmd->pool, &arg);
2616 if (ap_is_matchexp(name)) {
2617 item = (char **)apr_array_push(cmd->server->wild_names);
2620 item = (char **)apr_array_push(cmd->server->names);
2629 static const char *set_accf_map(cmd_parms *cmd, void *dummy,
2630 const char *iproto, const char* iaccf)
2632 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2633 core_server_config *conf =
2634 ap_get_core_module_config(cmd->server->module_config);
2641 proto = apr_pstrdup(cmd->pool, iproto);
2642 ap_str_tolower(proto);
2643 accf = apr_pstrdup(cmd->pool, iaccf);
2644 ap_str_tolower(accf);
2645 apr_table_setn(conf->accf_map, proto, accf);
2650 AP_DECLARE(const char*) ap_get_server_protocol(server_rec* s)
2652 core_server_config *conf = ap_get_core_module_config(s->module_config);
2653 return conf->protocol;
2656 AP_DECLARE(void) ap_set_server_protocol(server_rec* s, const char* proto)
2658 core_server_config *conf = ap_get_core_module_config(s->module_config);
2659 conf->protocol = proto;
2662 static const char *set_protocol(cmd_parms *cmd, void *dummy,
2665 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2666 core_server_config *conf =
2667 ap_get_core_module_config(cmd->server->module_config);
2674 proto = apr_pstrdup(cmd->pool, arg);
2675 ap_str_tolower(proto);
2676 conf->protocol = proto;
2681 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
2684 /* This one's pretty generic... */
2686 int offset = (int)(long)cmd->info;
2687 char *struct_ptr = (char *)cmd->server;
2689 const char *err = ap_check_cmd_context(cmd,
2690 NOT_IN_DIR_LOC_FILE);
2695 *(const char **)(struct_ptr + offset) = arg;
2700 * The ServerName directive takes one argument with format
2701 * [scheme://]fully-qualified-domain-name[:port], for instance
2702 * ServerName www.example.com
2703 * ServerName www.example.com:80
2704 * ServerName https://www.example.com:443
2707 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
2709 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2710 const char *portstr, *part;
2718 if (apr_fnmatch_test(arg))
2719 return apr_pstrcat(cmd->temp_pool, "Invalid ServerName \"", arg,
2720 "\" use ServerAlias to set multiple server names.", NULL);
2722 part = ap_strstr_c(arg, "://");
2725 scheme = apr_pstrndup(cmd->pool, arg, part - arg);
2726 ap_str_tolower(scheme);
2727 cmd->server->server_scheme = (const char *)scheme;
2733 portstr = ap_strchr_c(part, ':');
2735 cmd->server->server_hostname = apr_pstrndup(cmd->pool, part,
2738 port = atoi(portstr);
2739 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
2740 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
2741 "\" is outside the appropriate range "
2742 "(i.e., 1..65535).", NULL);
2746 cmd->server->server_hostname = apr_pstrdup(cmd->pool, part);
2750 cmd->server->port = port;
2754 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
2757 core_dir_config *d = d_;
2759 if (strcasecmp(arg, "On") == 0) {
2760 d->server_signature = srv_sig_on;
2762 else if (strcasecmp(arg, "Off") == 0) {
2763 d->server_signature = srv_sig_off;
2765 else if (strcasecmp(arg, "EMail") == 0) {
2766 d->server_signature = srv_sig_withmail;
2769 return "ServerSignature: use one of: off | on | email";
2775 static const char *set_server_root(cmd_parms *cmd, void *dummy,
2778 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2784 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
2785 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2786 || !ap_is_directory(cmd->temp_pool, ap_server_root)) {
2787 return "ServerRoot must be a valid directory";
2793 static const char *set_runtime_dir(cmd_parms *cmd, void *dummy, const char *arg)
2795 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2801 if ((apr_filepath_merge((char**)&ap_runtime_dir, NULL,
2802 ap_server_root_relative(cmd->pool, arg),
2803 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2804 || !ap_is_directory(cmd->temp_pool, ap_runtime_dir)) {
2805 return "DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot";
2811 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2813 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2819 cmd->server->timeout = apr_time_from_sec(atoi(arg));
2823 static const char *set_allow2f(cmd_parms *cmd, void *d_, const char *arg)
2825 core_dir_config *d = d_;
2827 if (0 == strcasecmp(arg, "on")) {
2828 d->allow_encoded_slashes = 1;
2829 d->decode_encoded_slashes = 1; /* for compatibility with 2.0 & 2.2 */
2830 } else if (0 == strcasecmp(arg, "off")) {
2831 d->allow_encoded_slashes = 0;
2832 d->decode_encoded_slashes = 0;
2833 } else if (0 == strcasecmp(arg, "nodecode")) {
2834 d->allow_encoded_slashes = 1;
2835 d->decode_encoded_slashes = 0;
2837 return apr_pstrcat(cmd->pool,
2838 cmd->cmd->name, " must be On, Off, or NoDecode",
2844 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2847 core_dir_config *d = d_;
2849 if (!strcasecmp(arg, "on")) {
2850 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2852 else if (!strcasecmp(arg, "off")) {
2853 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2855 else if (!strcasecmp(arg, "double")) {
2856 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2859 return "parameter must be 'on', 'off', or 'double'";
2865 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2868 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2874 cmd->server->path = arg;
2875 cmd->server->pathlen = (int)strlen(arg);
2879 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2881 core_dir_config *d = d_;
2883 d->content_md5 = arg ? AP_CONTENT_MD5_ON : AP_CONTENT_MD5_OFF;
2887 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2889 core_dir_config *d = d_;
2891 if (strcasecmp(arg, "on") == 0) {
2892 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2894 else if (strcasecmp(arg, "off") == 0) {
2895 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2897 else if (strcasecmp(arg, "default") == 0) {
2898 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2901 return "AcceptPathInfo must be set to on, off or default";
2907 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2910 core_dir_config *d = d_;
2912 if (strcasecmp(arg, "on") == 0) {
2913 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2915 else if (strcasecmp(arg, "off") == 0) {
2916 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2918 else if (strcasecmp(arg, "dns") == 0) {
2919 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2922 return "parameter must be 'on', 'off', or 'dns'";
2928 static const char *set_use_canonical_phys_port(cmd_parms *cmd, void *d_,
2931 core_dir_config *d = d_;
2933 if (strcasecmp(arg, "on") == 0) {
2934 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_ON;
2936 else if (strcasecmp(arg, "off") == 0) {
2937 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_OFF;
2940 return "parameter must be 'on' or 'off'";
2946 static const char *include_config (cmd_parms *cmd, void *dummy,
2949 ap_directive_t *conftree = NULL;
2950 const char *conffile, *error;
2951 unsigned *recursion;
2952 int optional = cmd->cmd->cmd_data ? 1 : 0;
2955 apr_pool_userdata_get(&data, "ap_include_sentinel", cmd->pool);
2960 data = recursion = apr_palloc(cmd->pool, sizeof(*recursion));
2962 apr_pool_userdata_setn(data, "ap_include_sentinel", NULL, cmd->pool);
2965 if (++*recursion > AP_MAX_INCLUDE_DEPTH) {
2967 return apr_psprintf(cmd->pool, "Exceeded maximum include depth of %u, "
2968 "There appears to be a recursion.",
2969 AP_MAX_INCLUDE_DEPTH);
2972 conffile = ap_server_root_relative(cmd->pool, name);
2975 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2979 error = ap_process_fnmatch_configs(cmd->server, conffile, &conftree,
2980 cmd->pool, cmd->temp_pool,
2987 *(ap_directive_t **)dummy = conftree;
2989 /* recursion level done */
2997 static const char *set_loglevel(cmd_parms *cmd, void *config_, const char *arg_)
3002 char *arg = apr_pstrdup(cmd->temp_pool, arg_);
3003 struct ap_logconf *log;
3007 core_dir_config *dconf = config_;
3009 dconf->log = ap_new_log_config(cmd->pool, NULL);
3014 log = &cmd->server->log;
3018 return "LogLevel requires level keyword or module loglevel specifier";
3020 level_str = ap_strrchr(arg, ':');
3022 if (level_str == NULL) {
3023 err = ap_parse_log_level(arg, &log->level);
3026 ap_reset_module_loglevels(log, APLOG_NO_MODULE);
3027 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3028 "Setting LogLevel for all modules to %s", arg);
3032 *level_str++ = '\0';
3034 return apr_psprintf(cmd->temp_pool, "Module specifier '%s' must be "
3035 "followed by a log level keyword", arg);
3038 err = ap_parse_log_level(level_str, &level);
3040 return apr_psprintf(cmd->temp_pool, "%s:%s: %s", arg, level_str, err);
3042 if ((module = find_module(cmd->server, arg)) == NULL) {
3043 char *name = apr_psprintf(cmd->temp_pool, "%s_module", arg);
3044 ap_log_error(APLOG_MARK, APLOG_TRACE6, 0, cmd->server,
3045 "Cannot find module '%s', trying '%s'", arg, name);
3046 module = find_module(cmd->server, name);
3049 if (module == NULL) {
3050 return apr_psprintf(cmd->temp_pool, "Cannot find module %s", arg);
3053 ap_set_module_loglevel(cmd->pool, log, module->module_index, level);
3054 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3055 "Setting LogLevel for module %s to %s", module->name,
3061 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
3064 core_dir_config *conf;
3066 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
3067 if ((conf->server_signature == srv_sig_off)
3068 || (conf->server_signature == srv_sig_unset)) {
3072 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
3074 if (conf->server_signature == srv_sig_withmail) {
3075 return apr_pstrcat(r->pool, prefix, "<address>",
3076 ap_get_server_banner(),
3077 " Server at <a href=\"",
3078 ap_is_url(r->server->server_admin) ? "" : "mailto:",
3079 ap_escape_html(r->pool, r->server->server_admin),
3081 ap_escape_html(r->pool, ap_get_server_name(r)),
3082 "</a> Port ", sport,
3083 "</address>\n", NULL);
3086 return apr_pstrcat(r->pool, prefix, "<address>", ap_get_server_banner(),
3088 ap_escape_html(r->pool, ap_get_server_name(r)),
3090 "</address>\n", NULL);
3094 * Handle a request to include the server's OS platform in the Server
3095 * response header field (the ServerTokens directive). Unfortunately
3096 * this requires a new global in order to communicate the setting back to
3097 * http_main so it can insert the information in the right place in the
3101 static char *server_banner = NULL;
3102 static int banner_locked = 0;
3103 static const char *server_description = NULL;
3105 enum server_token_type {
3106 SrvTk_MAJOR, /* eg: Apache/2 */
3107 SrvTk_MINOR, /* eg. Apache/2.0 */
3108 SrvTk_MINIMAL, /* eg: Apache/2.0.41 */
3109 SrvTk_OS, /* eg: Apache/2.0.41 (UNIX) */
3110 SrvTk_FULL, /* eg: Apache/2.0.41 (UNIX) PHP/4.2.2 FooBar/1.2b */
3111 SrvTk_PRODUCT_ONLY /* eg: Apache */
3113 static enum server_token_type ap_server_tokens = SrvTk_FULL;
3115 static apr_status_t reset_banner(void *dummy)
3118 ap_server_tokens = SrvTk_FULL;
3119 server_banner = NULL;
3120 server_description = NULL;
3124 AP_DECLARE(void) ap_get_server_revision(ap_version_t *version)
3126 version->major = AP_SERVER_MAJORVERSION_NUMBER;
3127 version->minor = AP_SERVER_MINORVERSION_NUMBER;
3128 version->patch = AP_SERVER_PATCHLEVEL_NUMBER;
3129 version->add_string = AP_SERVER_ADD_STRING;
3132 AP_DECLARE(const char *) ap_get_server_description(void)
3134 return server_description ? server_description :
3135 AP_SERVER_BASEVERSION " (" PLATFORM ")";
3138 AP_DECLARE(const char *) ap_get_server_banner(void)
3140 return server_banner ? server_banner : AP_SERVER_BASEVERSION;
3143 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
3145 if (! banner_locked) {
3147 * If the version string is null, register our cleanup to reset the
3148 * pointer on pool destruction. We also know that, if NULL,
3149 * we are adding the original SERVER_BASEVERSION string.
3151 if (server_banner == NULL) {
3152 apr_pool_cleanup_register(pconf, NULL, reset_banner,
3153 apr_pool_cleanup_null);
3154 server_banner = apr_pstrdup(pconf, component);
3158 * Tack the given component identifier to the end of
3159 * the existing string.
3161 server_banner = apr_pstrcat(pconf, server_banner, " ",
3165 server_description = apr_pstrcat(pconf, server_description, " ",
3170 * This routine adds the real server base identity to the banner string,
3171 * and then locks out changes until the next reconfig.
3173 static void set_banner(apr_pool_t *pconf)
3175 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
3176 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
3178 else if (ap_server_tokens == SrvTk_MINIMAL) {
3179 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
3181 else if (ap_server_tokens == SrvTk_MINOR) {
3182 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MINORREVISION);
3184 else if (ap_server_tokens == SrvTk_MAJOR) {
3185 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MAJORVERSION);
3188 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
3192 * Lock the server_banner string if we're not displaying
3193 * the full set of tokens
3195 if (ap_server_tokens != SrvTk_FULL) {
3198 server_description = AP_SERVER_BASEVERSION " (" PLATFORM ")";
3201 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
3202 const char *arg1, const char *arg2)
3204 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
3210 if (!strcasecmp(arg1, "OS")) {
3211 ap_server_tokens = SrvTk_OS;
3213 else if (!strcasecmp(arg1, "Min") || !strcasecmp(arg1, "Minimal")) {
3214 ap_server_tokens = SrvTk_MINIMAL;
3216 else if (!strcasecmp(arg1, "Major")) {
3217 ap_server_tokens = SrvTk_MAJOR;
3219 else if (!strcasecmp(arg1, "Minor") ) {
3220 ap_server_tokens = SrvTk_MINOR;
3222 else if (!strcasecmp(arg1, "Prod") || !strcasecmp(arg1, "ProductOnly")) {
3223 ap_server_tokens = SrvTk_PRODUCT_ONLY;
3226 ap_server_tokens = SrvTk_FULL;
3232 static const char *set_limit_req_line(cmd_parms *cmd, void *dummy,
3235 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3244 return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
3245 "\" must be a non-negative integer", NULL);
3248 cmd->server->limit_req_line = lim;
3252 static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
3255 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3264 return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
3265 "\" must be a non-negative integer",
3269 cmd->server->limit_req_fieldsize = lim;
3273 static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy,
3276 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3285 return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
3286 "\" must be a non-negative integer (0 = no limit)",
3290 cmd->server->limit_req_fields = lim;
3294 static const char *set_limit_req_body(cmd_parms *cmd, void *conf_,
3297 core_dir_config *conf = conf_;
3300 if (APR_SUCCESS != apr_strtoff(&conf->limit_req_body, arg, &errp, 10)) {
3301 return "LimitRequestBody argument is not parsable.";
3303 if (*errp || conf->limit_req_body < 0) {
3304 return "LimitRequestBody requires a non-negative integer.";
3310 static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_,
3313 core_dir_config *conf = conf_;
3315 conf->limit_xml_body = atol(arg);
3316 if (conf->limit_xml_body < 0)
3317 return "LimitXMLRequestBody requires a non-negative integer.";
3322 static const char *set_max_ranges(cmd_parms *cmd, void *conf_, const char *arg)
3324 core_dir_config *conf = conf_;
3327 if (!strcasecmp(arg, "none")) {
3328 val = AP_MAXRANGES_NORANGES;
3330 else if (!strcasecmp(arg, "default")) {
3331 val = AP_MAXRANGES_DEFAULT;
3333 else if (!strcasecmp(arg, "unlimited")) {
3334 val = AP_MAXRANGES_UNLIMITED;
3339 return "MaxRanges requires 'none', 'default', 'unlimited' or "
3340 "a positive integer";
3343 conf->max_ranges = val;
3348 static const char *set_max_overlaps(cmd_parms *cmd, void *conf_, const char *arg)
3350 core_dir_config *conf = conf_;
3353 if (!strcasecmp(arg, "none")) {
3354 val = AP_MAXRANGES_NORANGES;
3356 else if (!strcasecmp(arg, "default")) {
3357 val = AP_MAXRANGES_DEFAULT;
3359 else if (!strcasecmp(arg, "unlimited")) {
3360 val = AP_MAXRANGES_UNLIMITED;
3365 return "MaxRangeOverlaps requires 'none', 'default', 'unlimited' or "
3366 "a positive integer";
3369 conf->max_overlaps = val;
3374 static const char *set_max_reversals(cmd_parms *cmd, void *conf_, const char *arg)
3376 core_dir_config *conf = conf_;
3379 if (!strcasecmp(arg, "none")) {
3380 val = AP_MAXRANGES_NORANGES;
3382 else if (!strcasecmp(arg, "default")) {
3383 val = AP_MAXRANGES_DEFAULT;
3385 else if (!strcasecmp(arg, "unlimited")) {
3386 val = AP_MAXRANGES_UNLIMITED;
3391 return "MaxRangeReversals requires 'none', 'default', 'unlimited' or "
3392 "a positive integer";
3395 conf->max_reversals = val;
3400 AP_DECLARE(apr_size_t) ap_get_limit_xml_body(const request_rec *r)
3402 core_dir_config *conf;
3404 conf = ap_get_core_module_config(r->per_dir_config);
3405 if (conf->limit_xml_body == AP_LIMIT_UNSET)
3406 return AP_DEFAULT_LIMIT_XML_BODY;
3408 return (apr_size_t)conf->limit_xml_body;
3411 #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
3412 static const char *no_set_limit(cmd_parms *cmd, void *conf_,
3413 const char *arg, const char *arg2)
3415 ap_log_error(APLOG_MARK, APLOG_ERR, 0, cmd->server, APLOGNO(00118)
3416 "%s not supported on this platform", cmd->cmd->name);
3423 static const char *set_limit_cpu(cmd_parms *cmd, void *conf_,
3424 const char *arg, const char *arg2)
3426 core_dir_config *conf = conf_;
3428 ap_unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
3433 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
3434 static const char *set_limit_mem(cmd_parms *cmd, void *conf_,
3435 const char *arg, const char * arg2)
3437 core_dir_config *conf = conf_;
3439 #if defined(RLIMIT_AS)
3440 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
3441 #elif defined(RLIMIT_DATA)
3442 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
3443 #elif defined(RLIMIT_VMEM)
3444 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
3452 static const char *set_limit_nproc(cmd_parms *cmd, void *conf_,
3453 const char *arg, const char * arg2)
3455 core_dir_config *conf = conf_;
3457 ap_unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
3462 static const char *set_recursion_limit(cmd_parms *cmd, void *dummy,
3463 const char *arg1, const char *arg2)
3465 core_server_config *conf =
3466 ap_get_core_module_config(cmd->server->module_config);
3467 int limit = atoi(arg1);
3470 return "The recursion limit must be greater than zero.";
3473 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00119)
3474 "Limiting internal redirects to very low numbers may "
3475 "cause normal requests to fail.");
3478 conf->redirect_limit = limit;
3484 return "The recursion limit must be greater than zero.";
3487 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00120)
3488 "Limiting the subrequest depth to a very low level may"
3489 " cause normal requests to fail.");
3493 conf->subreq_limit = limit;
3498 static void log_backtrace(const request_rec *r)
3500 const request_rec *top = r;
3502 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00121)
3503 "r->uri = %s", r->uri ? r->uri : "(unexpectedly NULL)");
3505 while (top && (top->prev || top->main)) {
3508 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00122)
3509 "redirected from r->uri = %s",
3510 top->uri ? top->uri : "(unexpectedly NULL)");
3513 if (!top->prev && top->main) {
3515 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00123)
3516 "subrequested from r->uri = %s",
3517 top->uri ? top->uri : "(unexpectedly NULL)");
3523 * check whether redirect limit is reached
3525 AP_DECLARE(int) ap_is_recursion_limit_exceeded(const request_rec *r)
3527 core_server_config *conf =
3528 ap_get_core_module_config(r->server->module_config);
3529 const request_rec *top = r;
3530 int redirects = 0, subreqs = 0;
3531 int rlimit = conf->redirect_limit
3532 ? conf->redirect_limit
3533 : AP_DEFAULT_MAX_INTERNAL_REDIRECTS;
3534 int slimit = conf->subreq_limit
3535 ? conf->subreq_limit
3536 : AP_DEFAULT_MAX_SUBREQ_DEPTH;
3539 while (top->prev || top->main) {
3541 if (++redirects >= rlimit) {
3542 /* uuh, too much. */
3543 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00124)
3544 "Request exceeded the limit of %d internal "
3545 "redirects due to probable configuration error. "
3546 "Use 'LimitInternalRecursion' to increase the "
3547 "limit if necessary. Use 'LogLevel debug' to get "
3548 "a backtrace.", rlimit);
3550 /* post backtrace */
3553 /* return failure */
3560 if (!top->prev && top->main) {
3561 if (++subreqs >= slimit) {
3562 /* uuh, too much. */
3563 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00125)
3564 "Request exceeded the limit of %d subrequest "
3565 "nesting levels due to probable configuration "
3566 "error. Use 'LimitInternalRecursion' to increase "
3567 "the limit if necessary. Use 'LogLevel debug' to "
3568 "get a backtrace.", slimit);
3570 /* post backtrace */
3573 /* return failure */
3581 /* recursion state: ok */
3585 static const char *set_trace_enable(cmd_parms *cmd, void *dummy,
3588 core_server_config *conf =
3589 ap_get_core_module_config(cmd->server->module_config);
3591 if (strcasecmp(arg1, "on") == 0) {
3592 conf->trace_enable = AP_TRACE_ENABLE;
3594 else if (strcasecmp(arg1, "off") == 0) {
3595 conf->trace_enable = AP_TRACE_DISABLE;
3597 else if (strcasecmp(arg1, "extended") == 0) {
3598 conf->trace_enable = AP_TRACE_EXTENDED;
3601 return "TraceEnable must be one of 'on', 'off', or 'extended'";
3607 static apr_hash_t *errorlog_hash;
3609 static int log_constant_item(const ap_errorlog_info *info, const char *arg,
3610 char *buf, int buflen)
3612 char *end = apr_cpystrn(buf, arg, buflen);
3616 static char *parse_errorlog_misc_string(apr_pool_t *p,
3617 ap_errorlog_format_item *it,
3621 char scratch[MAX_STRING_LEN];
3624 * non-leading white space terminates this string to allow the next field
3625 * separator to be inserted
3629 it->func = log_constant_item;
3632 while (*s && *s != '%' && (*s != ' ' || at_start) && d < scratch + MAX_STRING_LEN) {
3655 /* handle end of string */
3659 /* copy next char verbatim */
3666 it->arg = apr_pstrdup(p, scratch);
3672 static char *parse_errorlog_item(apr_pool_t *p, ap_errorlog_format_item *it,
3675 const char *s = *sa;
3676 ap_errorlog_handler *handler;
3681 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3683 return parse_errorlog_misc_string(p, it, sa);
3689 /* percent-space (% ) is a field separator */
3690 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3693 return parse_errorlog_item(p, it, sa);
3695 else if (*s == '%') {
3697 it->func = log_constant_item;
3706 it->arg = ap_getword(p, &s, '}');
3710 it->flags |= AP_ERRORLOG_FLAG_REQUIRED;
3714 it->flags |= AP_ERRORLOG_FLAG_NULL_AS_HYPHEN;
3727 while (apr_isdigit(*++s))
3728 i = i * 10 + (*s) - '0';
3729 it->min_loglevel = i;
3733 it->flags |= AP_ERRORLOG_FLAG_MESSAGE;
3737 handler = (ap_errorlog_handler *)apr_hash_get(errorlog_hash, s, 1);
3743 return apr_pstrcat(p, "Unrecognized error log format directive %",
3746 it->func = handler->func;
3752 return "Ran off end of error log format parsing args to some directive";
3755 static apr_array_header_t *parse_errorlog_string(apr_pool_t *p,
3760 apr_array_header_t *a = apr_array_make(p, 30,
3761 sizeof(ap_errorlog_format_item));
3763 int seen_msg_fmt = 0;
3766 ap_errorlog_format_item *item =
3767 (ap_errorlog_format_item *)apr_array_push(a);
3768 memset(item, 0, sizeof(*item));
3769 res = parse_errorlog_item(p, item, &s);
3774 if (item->flags & AP_ERRORLOG_FLAG_MESSAGE) {
3776 *err = "%M cannot be used in once-per-request or "
3777 "once-per-connection formats";
3782 if (is_main_fmt && item->flags & AP_ERRORLOG_FLAG_REQUIRED) {
3783 *err = "The '+' flag cannot be used in the main error log format";
3786 if (!is_main_fmt && item->min_loglevel) {
3787 *err = "The loglevel cannot be used as a condition in "
3788 "once-per-request or once-per-connection formats";
3791 if (item->min_loglevel > APLOG_TRACE8) {
3792 *err = "The specified loglevel modifier is out of range";
3797 if (is_main_fmt && !seen_msg_fmt) {
3798 *err = "main ErrorLogFormat must contain message format string '%M'";
3805 static const char *set_errorlog_format(cmd_parms *cmd, void *dummy,
3806 const char *arg1, const char *arg2)
3808 const char *err_string = NULL;
3809 core_server_config *conf =
3810 ap_get_core_module_config(cmd->server->module_config);
3813 conf->error_log_format = parse_errorlog_string(cmd->pool, arg1,
3816 else if (!strcasecmp(arg1, "connection")) {
3817 if (!conf->error_log_conn) {
3818 conf->error_log_conn = apr_array_make(cmd->pool, 5,
3819 sizeof(apr_array_header_t *));
3823 apr_array_header_t **e;
3824 e = (apr_array_header_t **) apr_array_push(conf->error_log_conn);
3825 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3828 else if (!strcasecmp(arg1, "request")) {
3829 if (!conf->error_log_req) {
3830 conf->error_log_req = apr_array_make(cmd->pool, 5,
3831 sizeof(apr_array_header_t *));
3835 apr_array_header_t **e;
3836 e = (apr_array_header_t **) apr_array_push(conf->error_log_req);
3837 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3841 err_string = "ErrorLogFormat type must be one of request, connection";
3847 AP_DECLARE(void) ap_register_errorlog_handler(apr_pool_t *p, char *tag,
3848 ap_errorlog_handler_fn_t *handler,
3851 ap_errorlog_handler *log_struct = apr_palloc(p, sizeof(*log_struct));
3852 log_struct->func = handler;
3853 log_struct->flags = flags;
3855 apr_hash_set(errorlog_hash, tag, 1, (const void *)log_struct);
3859 /* Note --- ErrorDocument will now work from .htaccess files.
3860 * The AllowOverride of Fileinfo allows webmasters to turn it off
3863 static const command_rec core_cmds[] = {
3865 /* Old access config file commands */
3867 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
3868 "Container for directives affecting resources located in the specified "
3870 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
3871 "Container for directives affecting resources accessed through the "
3872 "specified URL paths"),
3873 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
3874 "Container to map directives to a particular virtual host, takes one or "
3875 "more host addresses"),
3876 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
3877 "Container for directives affecting files matching specified patterns"),
3878 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_LIMIT | OR_AUTHCFG,
3879 "Container for authentication directives when accessed using specified HTTP "
3881 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1,
3882 OR_LIMIT | OR_AUTHCFG,
3883 "Container for authentication directives to be applied when any HTTP "
3884 "method other than those specified is used to access the resource"),
3885 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
3886 "Container for directives based on existence of specified modules"),
3887 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
3888 "Container for directives based on existence of command line defines"),
3889 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
3890 "Container for directives affecting resources located in the "
3891 "specified directories"),
3892 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
3893 "Container for directives affecting resources accessed through the "
3894 "specified URL paths"),
3895 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
3896 "Container for directives affecting files matching specified patterns"),
3898 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
3899 "Directory to plop gmon.out files"),
3901 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
3902 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
3903 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
3904 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
3905 AP_INIT_TAKE12("Define", set_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3906 "Define a variable, optionally to a value. Same as passing -D to the command line."),
3907 AP_INIT_TAKE1("UnDefine", unset_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3908 "Undefine the existence of a variable. Undo a Define."),
3909 AP_INIT_RAW_ARGS("Error", generate_error, NULL, OR_ALL,
3910 "Generate error message from within configuration"),
3911 AP_INIT_RAW_ARGS("<If", ifsection, COND_IF, OR_ALL,
3912 "Container for directives to be conditionally applied"),
3913 AP_INIT_RAW_ARGS("<ElseIf", ifsection, COND_ELSEIF, OR_ALL,
3914 "Container for directives to be conditionally applied"),
3915 AP_INIT_RAW_ARGS("<Else", ifsection, COND_ELSE, OR_ALL,
3916 "Container for directives to be conditionally applied"),
3918 /* Old resource config file commands */
3920 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
3921 "Name(s) of per-directory config files (default: .htaccess)"),
3922 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
3923 "Root directory of the document tree"),
3924 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
3925 "Change responses for HTTP errors"),
3926 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
3927 "Controls what groups of directives can be configured by per-directory "
3929 AP_INIT_TAKE_ARGV("AllowOverrideList", set_override_list, NULL, ACCESS_CONF,
3930 "Controls what individual directives can be configured by per-directory "
3932 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
3933 "Set a number of attributes for a given directory"),
3934 AP_INIT_TAKE1("DefaultType", set_default_type, NULL, OR_FILEINFO,
3935 "the default media type for otherwise untyped files (DEPRECATED)"),
3936 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
3937 "Specify components used to construct a file's ETag"),
3938 AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO,
3939 "Controls whether memory-mapping may be used to read files"),
3940 AP_INIT_TAKE1("EnableSendfile", set_enable_sendfile, NULL, OR_FILEINFO,
3941 "Controls whether sendfile may be used to transmit files"),
3943 /* Old server config file commands */
3945 AP_INIT_TAKE1("Protocol", set_protocol, NULL, RSRC_CONF,
3946 "Set the Protocol for httpd to use."),
3947 AP_INIT_TAKE2("AcceptFilter", set_accf_map, NULL, RSRC_CONF,
3948 "Set the Accept Filter to use for a protocol"),
3949 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
3950 "Port was replaced with Listen in Apache 2.0"),
3951 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
3952 ACCESS_CONF|RSRC_CONF,
3953 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
3954 "enable double-reverse DNS lookups"),
3955 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
3956 (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF,
3957 "The email address of the server administrator"),
3958 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
3959 "The hostname and port of the server"),
3960 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
3961 "En-/disable server signature (on|off|email)"),
3962 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
3963 "Common directory of server-related files (logs, confs, etc.)"),
3964 AP_INIT_TAKE1("DefaultRuntimeDir", set_runtime_dir, NULL, RSRC_CONF | EXEC_ON_READ,
3965 "Common directory for run-time files (shared memory, locks, etc.)"),
3966 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
3967 (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
3968 "The filename of the error log"),
3969 AP_INIT_TAKE12("ErrorLogFormat", set_errorlog_format, NULL, RSRC_CONF,
3970 "Format string for the ErrorLog"),
3971 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
3972 "A name or names alternately used to access the server"),
3973 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
3974 "The pathname the server can be reached at"),
3975 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
3976 "Timeout duration (sec)"),
3977 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
3978 "whether or not to send a Content-MD5 header with each request"),
3979 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
3980 RSRC_CONF|ACCESS_CONF,
3981 "How to work out the ServerName : Port when constructing URLs"),
3982 AP_INIT_TAKE1("UseCanonicalPhysicalPort", set_use_canonical_phys_port, NULL,
3983 RSRC_CONF|ACCESS_CONF,
3984 "Whether to use the physical Port when constructing URLs"),
3985 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
3986 /* TODO: ListenBacklog in MPM */
3987 AP_INIT_TAKE1("Include", include_config, NULL,
3988 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
3989 "Name(s) of the config file(s) to be included; fails if the wildcard does "
3990 "not match at least one file"),
3991 AP_INIT_TAKE1("IncludeOptional", include_config, (void*)1,
3992 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
3993 "Name or pattern of the config file(s) to be included; ignored if the file "
3994 "does not exist or the pattern does not match any files"),
3995 AP_INIT_ITERATE("LogLevel", set_loglevel, NULL, RSRC_CONF|ACCESS_CONF,
3996 "Level of verbosity in error logging"),
3997 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
3998 "A numeric IP address:port, or the name of a host"),
3999 AP_INIT_TAKE12("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
4000 "Determine tokens displayed in the Server: header - Min(imal), "
4001 "Major, Minor, Prod, OS or Full"),
4002 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
4003 "Limit on maximum size of an HTTP request line"),
4004 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
4006 "Limit on maximum size of an HTTP request header field"),
4007 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
4008 "Limit (0 = unlimited) on max number of header fields in a request message"),
4009 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
4010 (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL,
4011 "Limit (in bytes) on maximum size of request message body"),
4012 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
4013 "Limit (in bytes) on maximum size of an XML-based request "
4015 AP_INIT_RAW_ARGS("Mutex", ap_set_mutex, NULL, RSRC_CONF,
4016 "mutex (or \"default\") and mechanism"),
4018 AP_INIT_TAKE1("MaxRanges", set_max_ranges, NULL, RSRC_CONF|ACCESS_CONF,
4019 "Maximum number of Ranges in a request before returning the entire "
4020 "resource, or 0 for unlimited"),
4021 AP_INIT_TAKE1("MaxRangeOverlaps", set_max_overlaps, NULL, RSRC_CONF|ACCESS_CONF,
4022 "Maximum number of overlaps in Ranges in a request before returning the entire "
4023 "resource, or 0 for unlimited"),
4024 AP_INIT_TAKE1("MaxRangeReversals", set_max_reversals, NULL, RSRC_CONF|ACCESS_CONF,
4025 "Maximum number of reversals in Ranges in a request before returning the entire "
4026 "resource, or 0 for unlimited"),
4027 /* System Resource Controls */
4029 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
4030 (void*)APR_OFFSETOF(core_dir_config, limit_cpu),
4031 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4033 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
4034 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4036 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
4037 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
4038 (void*)APR_OFFSETOF(core_dir_config, limit_mem),
4039 OR_ALL, "Soft/hard limits for max memory usage per process"),
4041 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
4042 OR_ALL, "Soft/hard limits for max memory usage per process"),
4045 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
4046 (void*)APR_OFFSETOF(core_dir_config, limit_nproc),
4047 OR_ALL, "soft/hard limits for max number of processes per uid"),
4049 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
4050 OR_ALL, "soft/hard limits for max number of processes per uid"),
4053 /* internal recursion stopper */
4054 AP_INIT_TAKE12("LimitInternalRecursion", set_recursion_limit, NULL, RSRC_CONF,
4055 "maximum recursion depth of internal redirects and subrequests"),
4057 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
4058 (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
4059 "a mime type that overrides other configured type"),
4060 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
4061 (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO,
4062 "a handler name that overrides any other configured handler"),
4063 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
4064 (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO,
4065 "filter (or ; delimited list of filters) to be run on the request content"),
4066 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
4067 (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO,
4068 "filter (or ; delimited list of filters) to be run on the request body"),
4069 AP_INIT_TAKE1("AllowEncodedSlashes", set_allow2f, NULL, RSRC_CONF,
4070 "Allow URLs containing '/' encoded as '%2F'"),
4072 /* scoreboard.c directives */
4073 AP_INIT_TAKE1("ScoreBoardFile", ap_set_scoreboard, NULL, RSRC_CONF,
4074 "A file for Apache to maintain runtime process management information"),
4075 AP_INIT_FLAG("ExtendedStatus", ap_set_extended_status, NULL, RSRC_CONF,
4076 "\"On\" to track extended status information, \"Off\" to disable"),
4077 AP_INIT_FLAG("SeeRequestTail", ap_set_reqtail, NULL, RSRC_CONF,
4078 "For extended status, \"On\" to see the last 63 chars of "
4079 "the request line, \"Off\" (default) to see the first 63"),
4082 * These are default configuration directives that mpms can/should
4084 * XXX These are not for all platforms, and even some Unix MPMs might not want
4087 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF,
4088 "A file for logging the server process ID"),
4089 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4090 "Maximum number of connections a particular child serves before "
4091 "dying. (DEPRECATED, use MaxConnectionsPerChild)"),
4092 AP_INIT_TAKE1("MaxConnectionsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4093 "Maximum number of connections a particular child serves before dying."),
4094 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF,
4095 "The location of the directory Apache changes to before dumping core"),
4096 AP_INIT_TAKE1("MaxMemFree", ap_mpm_set_max_mem_free, NULL, RSRC_CONF,
4097 "Maximum number of 1k blocks a particular child's allocator may hold."),
4098 AP_INIT_TAKE1("ThreadStackSize", ap_mpm_set_thread_stacksize, NULL, RSRC_CONF,
4099 "Size in bytes of stack used by threads handling client connections"),
4100 #if AP_ENABLE_EXCEPTION_HOOK
4101 AP_INIT_TAKE1("EnableExceptionHook", ap_mpm_set_exception_hook, NULL, RSRC_CONF,
4102 "Controls whether exception hook may be called after a crash"),
4104 AP_INIT_TAKE1("TraceEnable", set_trace_enable, NULL, RSRC_CONF,
4105 "'on' (default), 'off' or 'extended' to trace request body content"),
4109 /*****************************************************************
4111 * Core handlers for various phases of server operation...
4114 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
4119 /* XXX this seems too specific, this should probably become
4120 * some general-case test
4123 return HTTP_FORBIDDEN;
4125 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
4126 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00126)
4127 "Invalid URI in request %s", r->the_request);
4128 return HTTP_BAD_REQUEST;
4132 && !strncmp(r->uri, r->server->path, r->server->pathlen)
4133 && (r->server->path[r->server->pathlen - 1] == '/'
4134 || r->uri[r->server->pathlen] == '/'
4135 || r->uri[r->server->pathlen] == '\0'))
4137 path = r->uri + r->server->pathlen;
4143 * Make sure that we do not mess up the translation by adding two
4144 * /'s in a row. This happens under windows when the document
4145 * root ends with a /
4147 /* skip all leading /'s (e.g. http://localhost///foo)
4148 * so we are looking at only the relative path.
4150 while (*path == '/') {
4153 if ((rv = apr_filepath_merge(&r->filename, ap_document_root(r), path,
4154 APR_FILEPATH_TRUENAME
4155 | APR_FILEPATH_SECUREROOT, r->pool))
4157 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(00127)
4158 "Cannot map %s to file", r->the_request);
4159 return HTTP_FORBIDDEN;
4161 r->canonical_filename = r->filename;
4166 /*****************************************************************
4168 * Test the filesystem name through directory_walk and file_walk
4170 static int core_map_to_storage(request_rec *r)
4174 if ((access_status = ap_directory_walk(r))) {
4175 return access_status;
4178 if ((access_status = ap_file_walk(r))) {
4179 return access_status;
4186 static int do_nothing(request_rec *r) { return OK; }
4189 static int core_override_type(request_rec *r)
4191 core_dir_config *conf =
4192 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4194 /* Check for overrides with ForceType / SetHandler
4196 if (conf->mime_type && strcmp(conf->mime_type, "none"))
4197 ap_set_content_type(r, (char*) conf->mime_type);
4199 if (conf->handler && strcmp(conf->handler, "none"))
4200 r->handler = conf->handler;
4202 /* Deal with the poor soul who is trying to force path_info to be
4203 * accepted within the core_handler, where they will let the subreq
4204 * address its contents. This is toggled by the user in the very
4205 * beginning of the fixup phase (here!), so modules should override the user's
4206 * discretion in their own module fixup phase. It is tristate, if
4207 * the user doesn't specify, the result is AP_REQ_DEFAULT_PATH_INFO.
4208 * (which the module may interpret to its own customary behavior.)
4209 * It won't be touched if the value is no longer AP_ACCEPT_PATHINFO_UNSET,
4210 * so any module changing the value prior to the fixup phase
4211 * OVERRIDES the user's choice.
4213 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
4214 && (conf->accept_path_info != AP_ACCEPT_PATHINFO_UNSET)) {
4215 /* No module knew better, and the user coded AcceptPathInfo */
4216 r->used_path_info = conf->accept_path_info;
4222 static int default_handler(request_rec *r)
4224 conn_rec *c = r->connection;
4225 apr_bucket_brigade *bb;
4229 apr_file_t *fd = NULL;
4230 apr_status_t status;
4231 /* XXX if/when somebody writes a content-md5 filter we either need to
4232 * remove this support or coordinate when to use the filter vs.
4233 * when to use this code
4234 * The current choice of when to compute the md5 here matches the 1.3
4235 * support fairly closely (unlike 1.3, we don't handle computing md5
4236 * when the charset is translated).
4238 int bld_content_md5;
4240 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4241 bld_content_md5 = (d->content_md5 == AP_CONTENT_MD5_ON)
4242 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
4244 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
4246 /* If filters intend to consume the request body, they must
4247 * register an InputFilter to slurp the contents of the POST
4248 * data from the POST input stream. It no longer exists when
4249 * the output filters are invoked by the default handler.
4251 if ((errstatus = ap_discard_request_body(r)) != OK) {
4255 if (r->method_number == M_GET || r->method_number == M_POST) {
4256 if (r->finfo.filetype == APR_NOFILE) {
4257 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00128)
4258 "File does not exist: %s", r->filename);
4259 return HTTP_NOT_FOUND;
4262 /* Don't try to serve a dir. Some OSs do weird things with
4265 if (r->finfo.filetype == APR_DIR) {
4266 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00129)
4267 "Attempt to serve directory: %s", r->filename);
4268 return HTTP_NOT_FOUND;
4271 if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) &&
4272 r->path_info && *r->path_info)
4274 /* default to reject */
4275 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00130)
4276 "File does not exist: %s",
4277 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
4278 return HTTP_NOT_FOUND;
4281 /* We understood the (non-GET) method, but it might not be legal for
4282 this particular resource. Check to see if the 'deliver_script'
4283 flag is set. If so, then we go ahead and deliver the file since
4284 it isn't really content (only GET normally returns content).
4286 Note: based on logic further above, the only possible non-GET
4287 method at this point is POST. In the future, we should enable
4288 script delivery for all methods. */
4289 if (r->method_number != M_GET) {
4290 core_request_config *req_cfg;
4292 req_cfg = ap_get_core_module_config(r->request_config);
4293 if (!req_cfg->deliver_script) {
4294 /* The flag hasn't been set for this request. Punt. */
4295 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00131)
4296 "This resource does not accept the %s method.",
4298 return HTTP_METHOD_NOT_ALLOWED;
4303 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY
4304 #if APR_HAS_SENDFILE
4305 | AP_SENDFILE_ENABLED(d->enable_sendfile)
4307 , 0, r->pool)) != APR_SUCCESS) {
4308 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(00132)
4309 "file permissions deny server access: %s", r->filename);
4310 return HTTP_FORBIDDEN;
4313 ap_update_mtime(r, r->finfo.mtime);
4314 ap_set_last_modified(r);
4316 ap_set_accept_ranges(r);
4317 ap_set_content_length(r, r->finfo.size);
4318 if (bld_content_md5) {
4319 apr_table_setn(r->headers_out, "Content-MD5",
4320 ap_md5digest(r->pool, fd));
4323 bb = apr_brigade_create(r->pool, c->bucket_alloc);
4325 if ((errstatus = ap_meets_conditions(r)) != OK) {
4327 r->status = errstatus;
4330 e = apr_brigade_insert_file(bb, fd, 0, r->finfo.size, r->pool);
4333 if (d->enable_mmap == ENABLE_MMAP_OFF) {
4334 (void)apr_bucket_file_enable_mmap(e, 0);
4339 e = apr_bucket_eos_create(c->bucket_alloc);
4340 APR_BRIGADE_INSERT_TAIL(bb, e);
4342 status = ap_pass_brigade(r->output_filters, bb);
4343 if (status == APR_SUCCESS
4344 || r->status != HTTP_OK
4349 /* no way to know what type of error occurred */
4350 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(00133)
4351 "default_handler: ap_pass_brigade returned %i",
4353 return HTTP_INTERNAL_SERVER_ERROR;
4356 else { /* unusual method (not GET or POST) */
4357 if (r->method_number == M_INVALID) {
4358 /* See if this looks like an undecrypted SSL handshake attempt.
4359 * It's safe to look a couple bytes into the_request if it exists, as it's
4360 * always allocated at least MIN_LINE_ALLOC (80) bytes.
4363 && r->the_request[0] == 0x16
4364 && (r->the_request[1] == 0x2 || r->the_request[1] == 0x3)) {
4365 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00134)
4366 "Invalid method in request %s - possible attempt to establish SSL connection on non-SSL port", r->the_request);
4368 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00135)
4369 "Invalid method in request %s", r->the_request);
4371 return HTTP_NOT_IMPLEMENTED;
4374 if (r->method_number == M_OPTIONS) {
4375 return ap_send_http_options(r);
4377 return HTTP_METHOD_NOT_ALLOWED;
4381 /* Optional function coming from mod_logio, used for logging of output
4384 APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *ap__logio_add_bytes_out;
4385 APR_OPTIONAL_FN_TYPE(authz_some_auth_required) *ap__authz_ap_some_auth_required;
4387 /* Insist that at least one module will undertake to provide system
4388 * security by dropping startup privileges.
4390 static int sys_privileges = 0;
4391 AP_DECLARE(int) ap_sys_privileges_handlers(int inc)
4393 sys_privileges += inc;
4394 return sys_privileges;
4397 static int check_errorlog_dir(apr_pool_t *p, server_rec *s)
4399 if (!s->error_fname || s->error_fname[0] == '|'
4400 || strcmp(s->error_fname, "syslog") == 0) {
4404 char *abs = ap_server_root_relative(p, s->error_fname);
4405 char *dir = ap_make_dirstr_parent(p, abs);
4407 apr_status_t rv = apr_stat(&finfo, dir, APR_FINFO_TYPE, p);
4408 if (rv == APR_SUCCESS && finfo.filetype != APR_DIR)
4410 if (rv != APR_SUCCESS) {
4411 const char *desc = "main error log";
4413 desc = apr_psprintf(p, "error log of vhost defined at %s:%d",
4414 s->defn_name, s->defn_line_number);
4415 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, rv,
4416 ap_server_conf, APLOGNO(02291)
4417 "Cannot access directory '%s' for %s", dir, desc);
4424 static int core_check_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4428 if (check_errorlog_dir(ptemp, s) != OK)
4436 static int core_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
4438 ap_mutex_init(pconf);
4440 if (!saved_server_config_defines)
4441 init_config_defines(pconf);
4442 apr_pool_cleanup_register(pconf, NULL, reset_config_defines,
4443 apr_pool_cleanup_null);
4445 mpm_common_pre_config(pconf);
4450 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4452 ap__logio_add_bytes_out = APR_RETRIEVE_OPTIONAL_FN(ap_logio_add_bytes_out);
4453 ident_lookup = APR_RETRIEVE_OPTIONAL_FN(ap_ident_lookup);
4454 ap__authz_ap_some_auth_required = APR_RETRIEVE_OPTIONAL_FN(authz_some_auth_required);
4455 authn_ap_auth_type = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_type);
4456 authn_ap_auth_name = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_name);
4457 access_compat_ap_satisfies = APR_RETRIEVE_OPTIONAL_FN(access_compat_ap_satisfies);
4460 ap_setup_make_content_type(pconf);
4461 ap_setup_auth_internal(ptemp);
4462 if (!sys_privileges) {
4463 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL, APLOGNO(00136)
4464 "Server MUST relinquish startup privileges before "
4465 "accepting connections. Please ensure mod_unixd "
4466 "or other system security module is loaded.");
4469 apr_pool_cleanup_register(pconf, NULL, ap_mpm_end_gen_helper,
4470 apr_pool_cleanup_null);
4474 static void core_insert_filter(request_rec *r)
4476 core_dir_config *conf = (core_dir_config *)
4477 ap_get_core_module_config(r->per_dir_config);
4478 const char *filter, *filters = conf->output_filters;
4481 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4482 ap_add_output_filter(filter, NULL, r, r->connection);
4486 filters = conf->input_filters;
4488 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4489 ap_add_input_filter(filter, NULL, r, r->connection);
4494 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
4496 static apr_status_t reset_request_notes(void *dummy)
4498 num_request_notes = AP_NUM_STD_NOTES;
4502 AP_DECLARE(apr_size_t) ap_register_request_note(void)
4504 apr_pool_cleanup_register(apr_hook_global_pool, NULL, reset_request_notes,
4505 apr_pool_cleanup_null);
4506 return num_request_notes++;
4509 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
4511 core_request_config *req_cfg;
4513 if (note_num >= num_request_notes) {
4517 req_cfg = (core_request_config *)
4518 ap_get_core_module_config(r->request_config);
4524 return &(req_cfg->notes[note_num]);
4527 AP_DECLARE(apr_socket_t *) ap_get_conn_socket(conn_rec *c)
4529 return ap_get_core_module_config(c->conn_config);
4532 static int core_create_req(request_rec *r)
4534 /* Alloc the config struct and the array of request notes in
4535 * a single block for efficiency
4537 core_request_config *req_cfg;
4539 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
4540 sizeof(void *) * num_request_notes);
4541 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
4543 /* ### temporarily enable script delivery as the default */
4544 req_cfg->deliver_script = 1;
4547 core_request_config *main_req_cfg = (core_request_config *)
4548 ap_get_core_module_config(r->main->request_config);
4549 req_cfg->bb = main_req_cfg->bb;
4552 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
4555 ap_set_core_module_config(r->request_config, req_cfg);
4560 static int core_create_proxy_req(request_rec *r, request_rec *pr)
4562 return core_create_req(pr);
4565 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
4566 apr_socket_t *csd, long id, void *sbh,
4567 apr_bucket_alloc_t *alloc)
4570 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
4573 (void)ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *)NULL);
4575 /* Got a connection structure, so initialize what fields we can
4576 * (the rest are zeroed out by pcalloc).
4578 c->conn_config = ap_create_conn_config(ptrans);
4579 c->notes = apr_table_make(ptrans, 5);
4582 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
4584 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00137)
4585 "apr_socket_addr_get(APR_LOCAL)");
4586 apr_socket_close(csd);
4590 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
4591 if ((rv = apr_socket_addr_get(&c->client_addr, APR_REMOTE, csd))
4593 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00138)
4594 "apr_socket_addr_get(APR_REMOTE)");
4595 apr_socket_close(csd);
4599 apr_sockaddr_ip_get(&c->client_ip, c->client_addr);
4600 c->base_server = server;
4603 c->bucket_alloc = alloc;
4605 c->clogging_input_filters = 0;
4610 static int core_pre_connection(conn_rec *c, void *csd)
4612 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4615 /* The Nagle algorithm says that we should delay sending partial
4616 * packets in hopes of getting more data. We don't want to do
4617 * this; we are not telnet. There are bad interactions between
4618 * persistent connections and Nagle's algorithm that have very severe
4619 * performance penalties. (Failing to disable Nagle is not much of a
4620 * problem with simple HTTP.)
4622 rv = apr_socket_opt_set(csd, APR_TCP_NODELAY, 1);
4623 if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
4624 /* expected cause is that the client disconnected already,
4625 * hence the debug level
4627 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00139)
4628 "apr_socket_opt_set(APR_TCP_NODELAY)");
4631 /* The core filter requires the timeout mode to be set, which
4632 * incidentally sets the socket to be nonblocking. If this
4633 * is not initialized correctly, Linux - for example - will
4634 * be initially blocking, while Solaris will be non blocking
4635 * and any initial read will fail.
4637 rv = apr_socket_timeout_set(csd, c->base_server->timeout);
4638 if (rv != APR_SUCCESS) {
4639 /* expected cause is that the client disconnected already */
4640 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00140)
4641 "apr_socket_timeout_set");
4646 net->out_ctx = NULL;
4647 net->client_socket = csd;
4649 ap_set_core_module_config(net->c->conn_config, csd);
4650 ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c);
4651 ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c);
4655 AP_DECLARE(int) ap_state_query(int query)
4658 case AP_SQ_MAIN_STATE:
4659 return ap_main_state;
4660 case AP_SQ_RUN_MODE:
4662 case AP_SQ_CONFIG_GEN:
4663 return ap_config_generation;
4665 return AP_SQ_NOT_SUPPORTED;
4669 static apr_random_t *rng = NULL;
4671 static apr_thread_mutex_t *rng_mutex = NULL;
4674 static void core_child_init(apr_pool_t *pchild, server_rec *s)
4679 if (ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm) == APR_SUCCESS
4682 apr_thread_mutex_create(&rng_mutex, APR_THREAD_MUTEX_DEFAULT, pchild);
4685 /* The MPMs use plain fork() and not apr_proc_fork(), so we have to call
4686 * apr_random_after_fork() manually in the child
4688 proc.pid = getpid();
4689 apr_random_after_fork(&proc);
4692 AP_CORE_DECLARE(void) ap_random_parent_after_fork(void)
4695 * To ensure that the RNG state in the parent changes after the fork, we
4696 * pull some data from the RNG and discard it. This ensures that the RNG
4697 * states in the children are different even after the pid wraps around.
4698 * As we only use apr_random for insecure random bytes, pulling 2 bytes
4700 * XXX: APR should probably have some dedicated API to do this, but it
4701 * XXX: currently doesn't.
4704 apr_random_insecure_bytes(rng, &data, sizeof(data));
4707 AP_CORE_DECLARE(void) ap_init_rng(apr_pool_t *p)
4709 unsigned char seed[8];
4711 rng = apr_random_standard_new(p);
4713 rv = apr_generate_random_bytes(seed, sizeof(seed));
4714 if (rv != APR_SUCCESS)
4716 apr_random_add_entropy(rng, seed, sizeof(seed));
4717 rv = apr_random_insecure_ready(rng);
4718 } while (rv == APR_ENOTENOUGHENTROPY);
4719 if (rv == APR_SUCCESS)
4722 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(00141)
4723 "Could not initialize random number generator");
4727 AP_DECLARE(void) ap_random_insecure_bytes(void *buf, apr_size_t size)
4731 apr_thread_mutex_lock(rng_mutex);
4733 /* apr_random_insecure_bytes can only fail with APR_ENOTENOUGHENTROPY,
4734 * and we have ruled that out during initialization. Therefore we don't
4735 * need to check the return code.
4737 apr_random_insecure_bytes(rng, buf, size);
4740 apr_thread_mutex_unlock(rng_mutex);
4745 * Finding a random number in a range.
4746 * n' = a + n(b-a+1)/(M+1)
4748 * n' = random number in range
4749 * a = low end of range
4750 * b = high end of range
4751 * n = random number of 0..M
4753 * Algorithm 'borrowed' from PHP's rand() function.
4755 #define RAND_RANGE(__n, __min, __max, __tmax) \
4756 (__n) = (__min) + (long) ((double) ((__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))
4757 AP_DECLARE(apr_uint32_t) ap_random_pick(apr_uint32_t min, apr_uint32_t max)
4759 apr_uint32_t number;
4762 ap_random_insecure_bytes(&num16, sizeof(num16));
4763 RAND_RANGE(num16, min, max, APR_UINT16_MAX);
4767 ap_random_insecure_bytes(&number, sizeof(number));
4768 RAND_RANGE(number, min, max, APR_UINT32_MAX);
4773 static apr_status_t core_insert_network_bucket(conn_rec *c,
4774 apr_bucket_brigade *bb,
4775 apr_socket_t *socket)
4777 apr_bucket *e = apr_bucket_socket_create(socket, c->bucket_alloc);
4778 APR_BRIGADE_INSERT_TAIL(bb, e);
4782 static void core_dump_config(apr_pool_t *p, server_rec *s)
4784 core_server_config *sconf = ap_get_core_module_config(s->module_config);
4785 apr_file_t *out = NULL;
4787 const char **defines;
4789 if (!ap_exists_config_define("DUMP_RUN_CFG"))
4792 apr_file_open_stdout(&out, p);
4793 apr_file_printf(out, "ServerRoot: \"%s\"\n", ap_server_root);
4794 tmp = ap_server_root_relative(p, sconf->ap_document_root);
4795 apr_file_printf(out, "Main DocumentRoot: \"%s\"\n", tmp);
4796 if (s->error_fname[0] != '|' && strcmp(s->error_fname, "syslog") != 0)
4797 tmp = ap_server_root_relative(p, s->error_fname);
4799 tmp = s->error_fname;
4800 apr_file_printf(out, "Main ErrorLog: \"%s\"\n", tmp);
4801 if (ap_scoreboard_fname) {
4802 tmp = ap_runtime_dir_relative(p, ap_scoreboard_fname);
4803 apr_file_printf(out, "ScoreBoardFile: \"%s\"\n", tmp);
4805 ap_dump_mutexes(p, s, out);
4806 ap_mpm_dump_pidfile(p, out);
4808 defines = (const char **)ap_server_config_defines->elts;
4809 for (i = 0; i < ap_server_config_defines->nelts; i++) {
4810 const char *name = defines[i];
4811 const char *val = NULL;
4812 if (server_config_defined_vars)
4813 val = apr_table_get(server_config_defined_vars, name);
4815 apr_file_printf(out, "Define: %s=%s\n", name, val);
4817 apr_file_printf(out, "Define: %s\n", name);
4821 static void register_hooks(apr_pool_t *p)
4823 errorlog_hash = apr_hash_make(p);
4824 ap_register_log_hooks(p);
4825 ap_register_config_hooks(p);
4828 /* create_connection and pre_connection should always be hooked
4829 * APR_HOOK_REALLY_LAST by core to give other modules the opportunity
4830 * to install alternate network transports and stop other functions
4833 ap_hook_create_connection(core_create_conn, NULL, NULL,
4834 APR_HOOK_REALLY_LAST);
4835 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4836 APR_HOOK_REALLY_LAST);
4838 ap_hook_pre_config(core_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
4839 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4840 ap_hook_check_config(core_check_config,NULL,NULL,APR_HOOK_FIRST);
4841 ap_hook_test_config(core_dump_config,NULL,NULL,APR_HOOK_FIRST);
4842 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4843 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4844 ap_hook_open_logs(ap_open_logs,NULL,NULL,APR_HOOK_REALLY_FIRST);
4845 ap_hook_child_init(core_child_init,NULL,NULL,APR_HOOK_REALLY_FIRST);
4846 ap_hook_child_init(ap_logs_child_init,NULL,NULL,APR_HOOK_MIDDLE);
4847 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4848 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4849 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4850 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4851 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4852 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4854 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4855 ap_hook_child_status(ap_core_child_status, NULL, NULL, APR_HOOK_MIDDLE);
4856 ap_hook_insert_network_bucket(core_insert_network_bucket, NULL, NULL,
4857 APR_HOOK_REALLY_LAST);
4859 /* register the core's insert_filter hook and register core-provided
4862 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4864 ap_core_input_filter_handle =
4865 ap_register_input_filter("CORE_IN", ap_core_input_filter,
4866 NULL, AP_FTYPE_NETWORK);
4867 ap_content_length_filter_handle =
4868 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4869 NULL, AP_FTYPE_PROTOCOL);
4870 ap_core_output_filter_handle =
4871 ap_register_output_filter("CORE", ap_core_output_filter,
4872 NULL, AP_FTYPE_NETWORK);
4873 ap_subreq_core_filter_handle =
4874 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4875 NULL, AP_FTYPE_CONTENT_SET);
4877 ap_register_output_filter("OLD_WRITE", ap_old_write_filter,
4878 NULL, AP_FTYPE_RESOURCE - 10);
4881 AP_DECLARE_MODULE(core) = {
4883 AP_PLATFORM_REWRITE_ARGS_HOOK, /* hook to run before apache parses args */
4884 create_core_dir_config, /* create per-directory config structure */
4885 merge_core_dir_configs, /* merge per-directory config structures */
4886 create_core_server_config, /* create per-server config structure */
4887 merge_core_server_configs, /* merge per-server config structures */
4888 core_cmds, /* command apr_table_t */
4889 register_hooks /* register hooks */