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 || (found = find_parent(cmd->directive, "<If"))
1149 || (found = find_parent(cmd->directive, "<ElseIf"))
1150 || (found = find_parent(cmd->directive, "<Else"))))) {
1151 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1152 " cannot occur within ", found->directive,
1159 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1162 void *sconf = cmd->server->module_config;
1163 core_server_config *conf = ap_get_core_module_config(sconf);
1165 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1170 conf->access_name = apr_pstrdup(cmd->pool, arg);
1174 AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
1176 # define SMALL_EXPANSION 5
1181 } *result, *current, sresult[SMALL_EXPANSION];
1183 const char *s, *e, *ep;
1187 s = ap_strchr_c(word, '$');
1192 /* well, actually something to do */
1193 ep = word + strlen(word);
1195 result = current = &(sresult[spc++]);
1196 current->next = NULL;
1197 current->string = word;
1198 current->len = s - word;
1199 outlen = current->len;
1202 /* prepare next entry */
1204 current->next = (spc < SMALL_EXPANSION)
1206 : (struct sll *)apr_palloc(p,
1207 sizeof(*current->next));
1208 current = current->next;
1209 current->next = NULL;
1214 if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
1215 char *name = apr_pstrndup(p, s+2, e-s-2);
1217 if (server_config_defined_vars)
1218 word = apr_table_get(server_config_defined_vars, name);
1220 word = getenv(name);
1222 current->string = word;
1223 current->len = strlen(word);
1224 outlen += current->len;
1227 if (ap_strchr(name, ':') == 0)
1228 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL, APLOGNO(00111)
1229 "Config variable ${%s} is not defined",
1231 current->string = s;
1232 current->len = e - s + 1;
1233 outlen += current->len;
1238 current->string = s++;
1245 s = ap_strchr_c(s, '$');
1246 current->string = word;
1247 current->len = s ? s - word : ep - word;
1248 outlen += current->len;
1252 /* assemble result */
1253 res_buf = cp = apr_palloc(p, outlen + 1);
1256 memcpy(cp, result->string, result->len);
1259 result = result->next;
1261 res_buf[outlen] = '\0';
1266 static int reset_config_defines(void *dummy)
1268 ap_server_config_defines = saved_server_config_defines;
1269 server_config_defined_vars = NULL;
1274 * Make sure we can revert the effects of Define/UnDefine when restarting.
1275 * This function must be called once per loading of the config, before
1276 * ap_server_config_defines is changed. This may be during reading of the
1277 * config, which is even before the pre_config hook is run (due to
1278 * EXEC_ON_READ for Define/UnDefine).
1280 static void init_config_defines(apr_pool_t *pconf)
1282 saved_server_config_defines = ap_server_config_defines;
1283 /* Use apr_array_copy instead of apr_array_copy_hdr because it does not
1284 * protect from the way unset_define removes entries.
1286 ap_server_config_defines = apr_array_copy(pconf, ap_server_config_defines);
1289 static const char *set_define(cmd_parms *cmd, void *dummy,
1290 const char *name, const char *value)
1292 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1295 if (ap_strchr_c(name, ':') != NULL)
1296 return "Variable name must not contain ':'";
1298 if (!saved_server_config_defines)
1299 init_config_defines(cmd->pool);
1300 if (!ap_exists_config_define(name)) {
1301 char **newv = (char **)apr_array_push(ap_server_config_defines);
1302 *newv = apr_pstrdup(cmd->pool, name);
1305 if (!server_config_defined_vars)
1306 server_config_defined_vars = apr_table_make(cmd->pool, 5);
1307 apr_table_setn(server_config_defined_vars, name, value);
1313 static const char *unset_define(cmd_parms *cmd, void *dummy,
1318 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1321 if (ap_strchr_c(name, ':') != NULL)
1322 return "Variable name must not contain ':'";
1324 if (!saved_server_config_defines)
1325 init_config_defines(cmd->pool);
1327 defines = (char **)ap_server_config_defines->elts;
1328 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1329 if (strcmp(defines[i], name) == 0) {
1330 defines[i] = apr_array_pop(ap_server_config_defines);
1335 if (server_config_defined_vars) {
1336 apr_table_unset(server_config_defined_vars, name);
1342 static const char *generate_error(cmd_parms *cmd, void *dummy,
1345 if (!arg || !*arg) {
1346 return "The Error directive was used with no message.";
1349 if (*arg == '"' || *arg == '\'') { /* strip off quotes */
1350 apr_size_t len = strlen(arg);
1351 char last = *(arg + len - 1);
1354 return apr_pstrndup(cmd->pool, arg + 1, len - 2);
1362 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1364 void *sconf = cmd->server->module_config;
1365 core_server_config *conf = ap_get_core_module_config(sconf);
1367 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1372 conf->gprof_dir = arg;
1377 static const char *set_add_default_charset(cmd_parms *cmd,
1378 void *d_, const char *arg)
1380 core_dir_config *d = d_;
1382 if (!strcasecmp(arg, "Off")) {
1383 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1385 else if (!strcasecmp(arg, "On")) {
1386 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1387 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1390 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1391 d->add_default_charset_name = arg;
1397 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1400 void *sconf = cmd->server->module_config;
1401 core_server_config *conf = ap_get_core_module_config(sconf);
1403 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1408 /* When ap_document_root_check is false; skip all the stuff below */
1409 if (!ap_document_root_check) {
1410 conf->ap_document_root = arg;
1414 /* Make it absolute, relative to ServerRoot */
1415 arg = ap_server_root_relative(cmd->pool, arg);
1417 return "DocumentRoot must be a directory";
1420 /* TODO: ap_configtestonly */
1421 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1422 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1423 || !ap_is_directory(cmd->pool, arg)) {
1424 if (cmd->server->is_virtual) {
1425 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0,
1426 cmd->pool, APLOGNO(00112)
1427 "Warning: DocumentRoot [%s] does not exist",
1429 conf->ap_document_root = arg;
1432 return "DocumentRoot must be a directory";
1438 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1441 core_request_config *conf = ap_get_core_module_config(r->request_config);
1444 if (conf->response_code_strings == NULL) {
1445 conf->response_code_strings =
1446 apr_pcalloc(r->pool,
1447 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1450 idx = ap_index_of_response(status);
1452 conf->response_code_strings[idx] =
1453 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1454 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1457 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1458 const char *errno_str, const char *msg)
1460 core_dir_config *conf = conf_;
1461 int error_number, index_number, idx500;
1462 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1464 /* 1st parameter should be a 3 digit number, which we recognize;
1465 * convert it into an array index
1467 error_number = atoi(errno_str);
1468 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1470 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1471 index_number = idx500;
1473 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1474 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1478 /* Heuristic to determine second argument. */
1479 if (ap_strchr_c(msg,' '))
1481 else if (msg[0] == '/')
1483 else if (ap_is_url(msg))
1488 /* The entry should be ignored if it is a full URL for a 401 error */
1490 if (error_number == 401 && what == REMOTE_PATH) {
1491 ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server, APLOGNO(00113)
1492 "cannot use a full URL in a 401 ErrorDocument "
1493 "directive --- ignoring!");
1495 else { /* Store it... */
1496 if (conf->response_code_strings == NULL) {
1497 conf->response_code_strings =
1498 apr_pcalloc(cmd->pool,
1499 sizeof(*conf->response_code_strings) *
1503 if (strcmp(msg, "default") == 0) {
1504 /* special case: ErrorDocument 404 default restores the
1505 * canned server error response
1507 conf->response_code_strings[index_number] = &errordocument_default;
1510 /* hack. Prefix a " if it is a msg; as that is what
1511 * http_protocol.c relies on to distinguish between
1512 * a msg and a (local) path.
1514 conf->response_code_strings[index_number] = (what == MSG) ?
1515 apr_pstrcat(cmd->pool, "\"", msg, NULL) :
1516 apr_pstrdup(cmd->pool, msg);
1523 static const char *set_allow_opts(cmd_parms *cmd, allow_options_t *opts,
1526 allow_options_t opt;
1529 char *w, *p = (char *) l;
1532 while ((w = apr_strtok(p, ",", &tok_state)) != NULL) {
1540 if (!strcasecmp(w, "Indexes")) {
1543 else if (!strcasecmp(w, "Includes")) {
1544 /* If Includes is permitted, both Includes and
1545 * IncludesNOEXEC may be changed. */
1546 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1548 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1551 else if (!strcasecmp(w, "FollowSymLinks")) {
1552 opt = OPT_SYM_LINKS;
1554 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1555 opt = OPT_SYM_OWNER;
1557 else if (!strcasecmp(w, "ExecCGI")) {
1560 else if (!strcasecmp(w, "MultiViews")) {
1563 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1564 opt = OPT_MULTI|OPT_EXECCGI;
1566 else if (!strcasecmp(w, "None")) {
1569 else if (!strcasecmp(w, "All")) {
1573 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1579 (*opts) &= (~OPT_UNSET);
1584 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1586 core_dir_config *d = d_;
1591 /* Throw a warning if we're in <Location> or <Files> */
1592 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1593 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00114)
1594 "Useless use of AllowOverride in line %d of %s.",
1595 cmd->directive->line_num, cmd->directive->filename);
1597 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1600 d->override = OR_NONE;
1602 w = ap_getword_conf(cmd->temp_pool, &l);
1610 if (!strcasecmp(w, "Limit")) {
1611 d->override |= OR_LIMIT;
1613 else if (!strcasecmp(k, "Options")) {
1614 d->override |= OR_OPTIONS;
1616 set_allow_opts(cmd, &(d->override_opts), v);
1618 d->override_opts = OPT_ALL;
1620 else if (!strcasecmp(w, "FileInfo")) {
1621 d->override |= OR_FILEINFO;
1623 else if (!strcasecmp(w, "AuthConfig")) {
1624 d->override |= OR_AUTHCFG;
1626 else if (!strcasecmp(w, "Indexes")) {
1627 d->override |= OR_INDEXES;
1629 else if (!strcasecmp(w, "Nonfatal")) {
1630 if (!strcasecmp(v, "Override")) {
1631 d->override |= NONFATAL_OVERRIDE;
1633 else if (!strcasecmp(v, "Unknown")) {
1634 d->override |= NONFATAL_UNKNOWN;
1636 else if (!strcasecmp(v, "All")) {
1637 d->override |= NONFATAL_ALL;
1640 else if (!strcasecmp(w, "None")) {
1641 d->override = OR_NONE;
1643 else if (!strcasecmp(w, "All")) {
1644 d->override = OR_ALL;
1647 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1650 d->override &= ~OR_UNSET;
1656 static const char *set_override_list(cmd_parms *cmd, void *d_, int argc, char *const argv[])
1658 core_dir_config *d = d_;
1662 /* Throw a warning if we're in <Location> or <Files> */
1663 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1664 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00115)
1665 "Useless use of AllowOverrideList at %s:%d",
1666 cmd->directive->filename, cmd->directive->line_num);
1668 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1671 d->override_list = apr_table_make(cmd->pool, argc);
1673 for (i=0;i<argc;i++){
1674 if (!strcasecmp(argv[i], "None")) {
1676 return "'None' not allowed with other directives in "
1677 "AllowOverrideList";
1682 const command_rec *result = NULL;
1683 module *mod = ap_top_module;
1684 result = ap_find_command_in_modules(argv[i], &mod);
1685 if (result == NULL) {
1686 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1687 APLOGNO(00116) "Discarding unrecognized "
1688 "directive `%s' in AllowOverrideList at %s:%d",
1689 argv[i], cmd->directive->filename,
1690 cmd->directive->line_num);
1693 else if ((result->req_override & (OR_ALL|ACCESS_CONF)) == 0) {
1694 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1695 APLOGNO(02304) "Discarding directive `%s' not "
1696 "allowed in AllowOverrideList at %s:%d",
1697 argv[i], cmd->directive->filename,
1698 cmd->directive->line_num);
1702 apr_table_set(d->override_list, argv[i], "1");
1710 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1712 core_dir_config *d = d_;
1713 allow_options_t opt;
1720 char *w = ap_getword_conf(cmd->temp_pool, &l);
1723 if (*w == '+' || *w == '-') {
1725 if (!merge && !first && !all_none) {
1726 return "Either all Options must start with + or -, or no Option may.";
1734 return "Either all Options must start with + or -, or no Option may.";
1737 if (!strcasecmp(w, "Indexes")) {
1740 else if (!strcasecmp(w, "Includes")) {
1741 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1743 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1746 else if (!strcasecmp(w, "FollowSymLinks")) {
1747 opt = OPT_SYM_LINKS;
1749 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1750 opt = OPT_SYM_OWNER;
1752 else if (!strcasecmp(w, "ExecCGI")) {
1755 else if (!strcasecmp(w, "MultiViews")) {
1758 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1759 opt = OPT_MULTI|OPT_EXECCGI;
1761 else if (!strcasecmp(w, "None")) {
1763 return "'Options None' must be the first Option given.";
1765 else if (merge) { /* Only works since None may not follow any other option. */
1766 return "You may not use 'Options +None' or 'Options -None'.";
1771 else if (!strcasecmp(w, "All")) {
1773 return "'Options All' must be the first option given.";
1775 else if (merge) { /* Only works since All may not follow any other option. */
1776 return "You may not use 'Options +All' or 'Options -All'.";
1782 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1785 if ( (cmd->override_opts & opt) != opt ) {
1786 return apr_pstrcat(cmd->pool, "Option ", w, " not allowed here", NULL);
1788 else if (action == '-') {
1789 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1790 d->opts_remove |= opt;
1791 d->opts_add &= ~opt;
1794 else if (action == '+') {
1796 d->opts_remove &= ~opt;
1809 static const char *set_default_type(cmd_parms *cmd, void *d_,
1812 if ((strcasecmp(arg, "off") != 0) && (strcasecmp(arg, "none") != 0)) {
1813 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00117)
1814 "Ignoring deprecated use of DefaultType in line %d of %s.",
1815 cmd->directive->line_num, cmd->directive->filename);
1822 * Note what data should be used when forming file ETag values.
1823 * It would be nicer to do this as an ITERATE, but then we couldn't
1824 * remember the +/- state properly.
1826 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1829 core_dir_config *cfg;
1830 etag_components_t bit;
1838 cfg = (core_dir_config *)mconfig;
1843 while (args[0] != '\0') {
1847 token = ap_getword_conf(cmd->temp_pool, &args);
1848 if ((*token == '+') || (*token == '-')) {
1854 * The occurrence of an absolute setting wipes
1855 * out any previous relative ones. The first such
1856 * occurrence forgets any inherited ones, too.
1859 cfg->etag_bits = ETAG_UNSET;
1860 cfg->etag_add = ETAG_UNSET;
1861 cfg->etag_remove = ETAG_UNSET;
1866 if (strcasecmp(token, "None") == 0) {
1867 if (action != '*') {
1871 cfg->etag_bits = bit = ETAG_NONE;
1875 else if (strcasecmp(token, "All") == 0) {
1876 if (action != '*') {
1881 cfg->etag_bits = bit = ETAG_ALL;
1884 else if (strcasecmp(token, "Size") == 0) {
1887 else if ((strcasecmp(token, "LMTime") == 0)
1888 || (strcasecmp(token, "MTime") == 0)
1889 || (strcasecmp(token, "LastModified") == 0)) {
1892 else if (strcasecmp(token, "INode") == 0) {
1896 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1897 token, "' for ", cmd->cmd->name,
1898 " directive", NULL);
1902 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1903 token, "' cannot be used with '+' or '-'",
1907 if (action == '+') {
1909 * Make sure it's in the 'add' list and absent from the
1912 cfg->etag_add |= bit;
1913 cfg->etag_remove &= (~ bit);
1915 else if (action == '-') {
1916 cfg->etag_remove |= bit;
1917 cfg->etag_add &= (~ bit);
1921 * Non-relative values wipe out any + or - values
1922 * accumulated so far.
1924 cfg->etag_bits |= bit;
1925 cfg->etag_add = ETAG_UNSET;
1926 cfg->etag_remove = ETAG_UNSET;
1932 * Any setting at all will clear the 'None' and 'Unset' bits.
1935 if (cfg->etag_add != ETAG_UNSET) {
1936 cfg->etag_add &= (~ ETAG_UNSET);
1939 if (cfg->etag_remove != ETAG_UNSET) {
1940 cfg->etag_remove &= (~ ETAG_UNSET);
1944 cfg->etag_bits &= (~ ETAG_UNSET);
1946 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1947 cfg->etag_bits &= (~ ETAG_NONE);
1954 static const char *set_enable_mmap(cmd_parms *cmd, void *d_,
1957 core_dir_config *d = d_;
1959 if (strcasecmp(arg, "on") == 0) {
1960 d->enable_mmap = ENABLE_MMAP_ON;
1962 else if (strcasecmp(arg, "off") == 0) {
1963 d->enable_mmap = ENABLE_MMAP_OFF;
1966 return "parameter must be 'on' or 'off'";
1972 static const char *set_enable_sendfile(cmd_parms *cmd, void *d_,
1975 core_dir_config *d = d_;
1977 if (strcasecmp(arg, "on") == 0) {
1978 d->enable_sendfile = ENABLE_SENDFILE_ON;
1980 else if (strcasecmp(arg, "off") == 0) {
1981 d->enable_sendfile = ENABLE_SENDFILE_OFF;
1984 return "parameter must be 'on' or 'off'";
1992 * Report a missing-'>' syntax error.
1994 static char *unclosed_directive(cmd_parms *cmd)
1996 return apr_pstrcat(cmd->pool, cmd->cmd->name,
1997 "> directive missing closing '>'", NULL);
2001 * Report a missing args in '<Foo >' syntax error.
2003 static char *missing_container_arg(cmd_parms *cmd)
2005 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2006 "> directive requires additional arguments", NULL);
2009 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
2013 const char *endp = ap_strrchr_c(arg, '>');
2014 const char *limited_methods;
2015 void *tog = cmd->cmd->cmd_data;
2016 apr_int64_t limited = 0;
2017 apr_int64_t old_limited = cmd->limited;
2021 return unclosed_directive(cmd);
2024 limited_methods = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2026 if (!limited_methods[0]) {
2027 return missing_container_arg(cmd);
2030 while (limited_methods[0]) {
2031 char *method = ap_getword_conf(cmd->temp_pool, &limited_methods);
2034 /* check for builtin or module registered method number */
2035 methnum = ap_method_number_of(method);
2037 if (methnum == M_TRACE && !tog) {
2038 return "TRACE cannot be controlled by <Limit>, see TraceEnable";
2040 else if (methnum == M_INVALID) {
2041 /* method has not been registered yet, but resorce restriction
2042 * is always checked before method handling, so register it.
2044 methnum = ap_method_register(cmd->pool,
2045 apr_pstrdup(cmd->pool, method));
2048 limited |= (AP_METHOD_BIT << methnum);
2051 /* Killing two features with one function,
2052 * if (tog == NULL) <Limit>, else <LimitExcept>
2054 limited = tog ? ~limited : limited;
2056 if (!(old_limited & limited)) {
2057 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2058 "> directive excludes all methods", NULL);
2060 else if ((old_limited & limited) == old_limited) {
2061 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2062 "> directive specifies methods already excluded",
2066 cmd->limited &= limited;
2068 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
2070 cmd->limited = old_limited;
2075 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
2076 * the same problem!!!
2077 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
2078 * people don't get bitten by wrong-cased regex matches
2082 #define USE_ICASE AP_REG_ICASE
2087 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
2090 const char *endp = ap_strrchr_c(arg, '>');
2091 int old_overrides = cmd->override;
2092 char *old_path = cmd->path;
2093 core_dir_config *conf;
2094 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
2095 ap_regex_t *r = NULL;
2096 const command_rec *thiscmd = cmd->cmd;
2098 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2104 return unclosed_directive(cmd);
2107 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2110 return missing_container_arg(cmd);
2113 cmd->path = ap_getword_conf(cmd->pool, &arg);
2114 cmd->override = OR_ALL|ACCESS_CONF;
2116 if (!strcmp(cmd->path, "~")) {
2117 cmd->path = ap_getword_conf(cmd->pool, &arg);
2119 return "<Directory ~ > block must specify a path";
2120 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2122 return "Regex could not be compiled";
2125 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
2126 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2128 return "Regex could not be compiled";
2131 else if (!strcmp(cmd->path, "/") == 0)
2136 * Ensure that the pathname is canonical, and append the trailing /
2138 apr_status_t rv = apr_filepath_merge(&newpath, NULL, cmd->path,
2139 APR_FILEPATH_TRUENAME, cmd->pool);
2140 if (rv != APR_SUCCESS && rv != APR_EPATHWILD) {
2141 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
2142 "\"> path is invalid.", NULL);
2145 cmd->path = newpath;
2146 if (cmd->path[strlen(cmd->path) - 1] != '/')
2147 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
2150 /* initialize our config and fetch it */
2151 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
2152 &core_module, cmd->pool);
2154 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
2159 conf->d = cmd->path;
2160 conf->d_is_fnmatch = (apr_fnmatch_test(conf->d) != 0);
2162 /* Make this explicit - the "/" root has 0 elements, that is, we
2163 * will always merge it, and it will always sort and merge first.
2164 * All others are sorted and tested by the number of slashes.
2166 if (strcmp(conf->d, "/") == 0)
2167 conf->d_components = 0;
2169 conf->d_components = ap_count_dirs(conf->d);
2171 ap_add_per_dir_conf(cmd->server, new_dir_conf);
2174 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2175 "> arguments not (yet) supported.", NULL);
2178 cmd->path = old_path;
2179 cmd->override = old_overrides;
2184 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
2187 const char *endp = ap_strrchr_c(arg, '>');
2188 int old_overrides = cmd->override;
2189 char *old_path = cmd->path;
2190 core_dir_config *conf;
2191 ap_regex_t *r = NULL;
2192 const command_rec *thiscmd = cmd->cmd;
2193 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
2194 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2200 return unclosed_directive(cmd);
2203 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2206 return missing_container_arg(cmd);
2209 cmd->path = ap_getword_conf(cmd->pool, &arg);
2210 cmd->override = OR_ALL|ACCESS_CONF;
2212 if (thiscmd->cmd_data) { /* <LocationMatch> */
2213 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2215 return "Regex could not be compiled";
2218 else if (!strcmp(cmd->path, "~")) {
2219 cmd->path = ap_getword_conf(cmd->pool, &arg);
2220 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2222 return "Regex could not be compiled";
2226 /* initialize our config and fetch it */
2227 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
2228 &core_module, cmd->pool);
2230 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
2234 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
2235 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2238 ap_add_per_url_conf(cmd->server, new_url_conf);
2241 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2242 "> arguments not (yet) supported.", NULL);
2245 cmd->path = old_path;
2246 cmd->override = old_overrides;
2251 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
2254 const char *endp = ap_strrchr_c(arg, '>');
2255 int old_overrides = cmd->override;
2256 char *old_path = cmd->path;
2257 core_dir_config *conf;
2258 ap_regex_t *r = NULL;
2259 const command_rec *thiscmd = cmd->cmd;
2260 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
2261 const char *err = ap_check_cmd_context(cmd,
2262 NOT_IN_LOCATION | NOT_IN_LIMIT);
2269 return unclosed_directive(cmd);
2272 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2275 return missing_container_arg(cmd);
2278 cmd->path = ap_getword_conf(cmd->pool, &arg);
2279 /* Only if not an .htaccess file */
2281 cmd->override = OR_ALL|ACCESS_CONF;
2284 if (thiscmd->cmd_data) { /* <FilesMatch> */
2285 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2287 return "Regex could not be compiled";
2290 else if (!strcmp(cmd->path, "~")) {
2291 cmd->path = ap_getword_conf(cmd->pool, &arg);
2292 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2294 return "Regex could not be compiled";
2299 /* Ensure that the pathname is canonical, but we
2300 * can't test the case/aliases without a fixed path */
2301 if (apr_filepath_merge(&newpath, "", cmd->path,
2302 0, cmd->pool) != APR_SUCCESS)
2303 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
2304 "\"> is invalid.", NULL);
2305 cmd->path = newpath;
2308 /* initialize our config and fetch it */
2309 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
2310 &core_module, cmd->pool);
2312 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
2316 conf->d = cmd->path;
2317 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2320 ap_add_file_conf(cmd->pool, (core_dir_config *)mconfig, new_file_conf);
2323 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2324 "> arguments not (yet) supported.", NULL);
2327 cmd->path = old_path;
2328 cmd->override = old_overrides;
2333 #define COND_IF ((void *)1)
2334 #define COND_ELSE ((void *)2)
2335 #define COND_ELSEIF ((void *)3)
2337 static const char *ifsection(cmd_parms *cmd, void *mconfig, const char *arg)
2340 const char *endp = ap_strrchr_c(arg, '>');
2341 int old_overrides = cmd->override;
2342 char *old_path = cmd->path;
2343 core_dir_config *conf;
2344 const command_rec *thiscmd = cmd->cmd;
2345 ap_conf_vector_t *new_if_conf = ap_create_per_dir_config(cmd->pool);
2346 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2347 const char *condition;
2348 const char *expr_err;
2355 return unclosed_directive(cmd);
2358 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2361 * Set a dummy value so that other directives notice that they are inside
2365 /* Only if not an .htaccess file */
2367 cmd->override = OR_ALL|ACCESS_CONF;
2370 /* initialize our config and fetch it */
2371 conf = ap_set_config_vectors(cmd->server, new_if_conf, cmd->path,
2372 &core_module, cmd->pool);
2374 if (cmd->cmd->cmd_data == COND_IF)
2375 conf->condition_ifelse = AP_CONDITION_IF;
2376 else if (cmd->cmd->cmd_data == COND_ELSEIF)
2377 conf->condition_ifelse = AP_CONDITION_ELSEIF;
2378 else if (cmd->cmd->cmd_data == COND_ELSE)
2379 conf->condition_ifelse = AP_CONDITION_ELSE;
2383 if (conf->condition_ifelse == AP_CONDITION_ELSE) {
2385 return "<Else> does not take an argument";
2389 return missing_container_arg(cmd);
2390 condition = ap_getword_conf(cmd->pool, &arg);
2391 conf->condition = ap_expr_parse_cmd(cmd, condition, 0, &expr_err, NULL);
2393 return apr_psprintf(cmd->pool, "Cannot parse condition clause: %s",
2397 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_if_conf);
2401 conf->d = cmd->path;
2402 conf->d_is_fnmatch = 0;
2405 errmsg = ap_add_if_conf(cmd->pool, (core_dir_config *)mconfig, new_if_conf);
2410 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2411 "> arguments not supported.", NULL);
2414 cmd->path = old_path;
2415 cmd->override = old_overrides;
2420 static module *find_module(server_rec *s, const char *name)
2422 module *found = ap_find_linked_module(name);
2424 /* search prelinked stuff */
2426 ap_module_symbol_t *current = ap_prelinked_module_symbols;
2428 for (; current->name; ++current) {
2429 if (!strcmp(current->name, name)) {
2430 found = current->modp;
2436 /* search dynamic stuff */
2438 APR_OPTIONAL_FN_TYPE(ap_find_loaded_module_symbol) *check_symbol =
2439 APR_RETRIEVE_OPTIONAL_FN(ap_find_loaded_module_symbol);
2443 * There are two phases where calling ap_find_loaded_module_symbol
2446 * During reading of the config, ap_server_conf is invalid but s
2447 * points to the main server config, if passed from cmd->server
2448 * of an EXEC_ON_READ directive.
2450 * During config parsing, s may be a virtual host that would cause
2451 * a segfault in mod_so if passed to ap_find_loaded_module_symbol,
2452 * because mod_so's server config for vhosts is initialized later.
2453 * But ap_server_conf is already set at this time.
2455 * Therefore we use s if it is not virtual and ap_server_conf if
2458 found = check_symbol(s->is_virtual ? ap_server_conf : s, name);
2466 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
2468 const char *endp = ap_strrchr_c(arg, '>');
2469 int not = (arg[0] == '!');
2473 return unclosed_directive(cmd);
2476 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2483 return missing_container_arg(cmd);
2486 found = find_module(cmd->server, arg);
2488 if ((!not && found) || (not && !found)) {
2489 ap_directive_t *parent = NULL;
2490 ap_directive_t *current = NULL;
2493 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2494 ¤t, &parent, "<IfModule");
2495 *(ap_directive_t **)mconfig = current;
2499 *(ap_directive_t **)mconfig = NULL;
2500 return ap_soak_end_container(cmd, "<IfModule");
2504 AP_DECLARE(int) ap_exists_config_define(const char *name)
2509 defines = (char **)ap_server_config_defines->elts;
2510 for (i = 0; i < ap_server_config_defines->nelts; i++) {
2511 if (strcmp(defines[i], name) == 0) {
2519 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
2525 endp = ap_strrchr_c(arg, '>');
2527 return unclosed_directive(cmd);
2530 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2532 if (arg[0] == '!') {
2538 return missing_container_arg(cmd);
2541 defined = ap_exists_config_define(arg);
2542 if ((!not && defined) || (not && !defined)) {
2543 ap_directive_t *parent = NULL;
2544 ap_directive_t *current = NULL;
2547 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2548 ¤t, &parent, "<IfDefine");
2549 *(ap_directive_t **)dummy = current;
2553 *(ap_directive_t **)dummy = NULL;
2554 return ap_soak_end_container(cmd, "<IfDefine");
2558 /* httpd.conf commands... beginning with the <VirtualHost> business */
2560 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
2563 server_rec *main_server = cmd->server, *s;
2565 const char *endp = ap_strrchr_c(arg, '>');
2566 apr_pool_t *p = cmd->pool;
2568 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2574 return unclosed_directive(cmd);
2577 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2580 return missing_container_arg(cmd);
2583 /* FIXME: There's another feature waiting to happen here -- since you
2584 can now put multiple addresses/names on a single <VirtualHost>
2585 you might want to use it to group common definitions and then
2586 define other "subhosts" with their individual differences. But
2587 personally I'd rather just do it with a macro preprocessor. -djg */
2588 if (main_server->is_virtual) {
2589 return "<VirtualHost> doesn't nest!";
2592 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
2597 s->next = main_server->next;
2598 main_server->next = s;
2600 s->defn_name = cmd->directive->filename;
2601 s->defn_line_number = cmd->directive->line_num;
2605 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
2606 s->lookup_defaults);
2608 cmd->server = main_server;
2613 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
2616 if (!cmd->server->names) {
2617 return "ServerAlias only used in <VirtualHost>";
2621 char **item, *name = ap_getword_conf(cmd->pool, &arg);
2623 if (ap_is_matchexp(name)) {
2624 item = (char **)apr_array_push(cmd->server->wild_names);
2627 item = (char **)apr_array_push(cmd->server->names);
2636 static const char *set_accf_map(cmd_parms *cmd, void *dummy,
2637 const char *iproto, const char* iaccf)
2639 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2640 core_server_config *conf =
2641 ap_get_core_module_config(cmd->server->module_config);
2648 proto = apr_pstrdup(cmd->pool, iproto);
2649 ap_str_tolower(proto);
2650 accf = apr_pstrdup(cmd->pool, iaccf);
2651 ap_str_tolower(accf);
2652 apr_table_setn(conf->accf_map, proto, accf);
2657 AP_DECLARE(const char*) ap_get_server_protocol(server_rec* s)
2659 core_server_config *conf = ap_get_core_module_config(s->module_config);
2660 return conf->protocol;
2663 AP_DECLARE(void) ap_set_server_protocol(server_rec* s, const char* proto)
2665 core_server_config *conf = ap_get_core_module_config(s->module_config);
2666 conf->protocol = proto;
2669 static const char *set_protocol(cmd_parms *cmd, void *dummy,
2672 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2673 core_server_config *conf =
2674 ap_get_core_module_config(cmd->server->module_config);
2681 proto = apr_pstrdup(cmd->pool, arg);
2682 ap_str_tolower(proto);
2683 conf->protocol = proto;
2688 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
2691 /* This one's pretty generic... */
2693 int offset = (int)(long)cmd->info;
2694 char *struct_ptr = (char *)cmd->server;
2696 const char *err = ap_check_cmd_context(cmd,
2697 NOT_IN_DIR_LOC_FILE);
2702 *(const char **)(struct_ptr + offset) = arg;
2707 * The ServerName directive takes one argument with format
2708 * [scheme://]fully-qualified-domain-name[:port], for instance
2709 * ServerName www.example.com
2710 * ServerName www.example.com:80
2711 * ServerName https://www.example.com:443
2714 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
2716 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2717 const char *portstr, *part;
2725 if (apr_fnmatch_test(arg))
2726 return apr_pstrcat(cmd->temp_pool, "Invalid ServerName \"", arg,
2727 "\" use ServerAlias to set multiple server names.", NULL);
2729 part = ap_strstr_c(arg, "://");
2732 scheme = apr_pstrndup(cmd->pool, arg, part - arg);
2733 ap_str_tolower(scheme);
2734 cmd->server->server_scheme = (const char *)scheme;
2740 portstr = ap_strchr_c(part, ':');
2742 cmd->server->server_hostname = apr_pstrndup(cmd->pool, part,
2745 port = atoi(portstr);
2746 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
2747 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
2748 "\" is outside the appropriate range "
2749 "(i.e., 1..65535).", NULL);
2753 cmd->server->server_hostname = apr_pstrdup(cmd->pool, part);
2757 cmd->server->port = port;
2761 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
2764 core_dir_config *d = d_;
2766 if (strcasecmp(arg, "On") == 0) {
2767 d->server_signature = srv_sig_on;
2769 else if (strcasecmp(arg, "Off") == 0) {
2770 d->server_signature = srv_sig_off;
2772 else if (strcasecmp(arg, "EMail") == 0) {
2773 d->server_signature = srv_sig_withmail;
2776 return "ServerSignature: use one of: off | on | email";
2782 static const char *set_server_root(cmd_parms *cmd, void *dummy,
2785 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2791 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
2792 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2793 || !ap_is_directory(cmd->temp_pool, ap_server_root)) {
2794 return "ServerRoot must be a valid directory";
2800 static const char *set_runtime_dir(cmd_parms *cmd, void *dummy, const char *arg)
2802 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2808 if ((apr_filepath_merge((char**)&ap_runtime_dir, NULL,
2809 ap_server_root_relative(cmd->pool, arg),
2810 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2811 || !ap_is_directory(cmd->temp_pool, ap_runtime_dir)) {
2812 return "DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot";
2818 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2820 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2826 cmd->server->timeout = apr_time_from_sec(atoi(arg));
2830 static const char *set_allow2f(cmd_parms *cmd, void *d_, const char *arg)
2832 core_dir_config *d = d_;
2834 if (0 == strcasecmp(arg, "on")) {
2835 d->allow_encoded_slashes = 1;
2836 d->decode_encoded_slashes = 1; /* for compatibility with 2.0 & 2.2 */
2837 } else if (0 == strcasecmp(arg, "off")) {
2838 d->allow_encoded_slashes = 0;
2839 d->decode_encoded_slashes = 0;
2840 } else if (0 == strcasecmp(arg, "nodecode")) {
2841 d->allow_encoded_slashes = 1;
2842 d->decode_encoded_slashes = 0;
2844 return apr_pstrcat(cmd->pool,
2845 cmd->cmd->name, " must be On, Off, or NoDecode",
2851 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2854 core_dir_config *d = d_;
2856 if (!strcasecmp(arg, "on")) {
2857 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2859 else if (!strcasecmp(arg, "off")) {
2860 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2862 else if (!strcasecmp(arg, "double")) {
2863 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2866 return "parameter must be 'on', 'off', or 'double'";
2872 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2875 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2881 cmd->server->path = arg;
2882 cmd->server->pathlen = (int)strlen(arg);
2886 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2888 core_dir_config *d = d_;
2890 d->content_md5 = arg ? AP_CONTENT_MD5_ON : AP_CONTENT_MD5_OFF;
2894 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2896 core_dir_config *d = d_;
2898 if (strcasecmp(arg, "on") == 0) {
2899 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2901 else if (strcasecmp(arg, "off") == 0) {
2902 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2904 else if (strcasecmp(arg, "default") == 0) {
2905 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2908 return "AcceptPathInfo must be set to on, off or default";
2914 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2917 core_dir_config *d = d_;
2919 if (strcasecmp(arg, "on") == 0) {
2920 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2922 else if (strcasecmp(arg, "off") == 0) {
2923 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2925 else if (strcasecmp(arg, "dns") == 0) {
2926 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2929 return "parameter must be 'on', 'off', or 'dns'";
2935 static const char *set_use_canonical_phys_port(cmd_parms *cmd, void *d_,
2938 core_dir_config *d = d_;
2940 if (strcasecmp(arg, "on") == 0) {
2941 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_ON;
2943 else if (strcasecmp(arg, "off") == 0) {
2944 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_OFF;
2947 return "parameter must be 'on' or 'off'";
2953 static const char *include_config (cmd_parms *cmd, void *dummy,
2956 ap_directive_t *conftree = NULL;
2957 const char *conffile, *error;
2958 unsigned *recursion;
2959 int optional = cmd->cmd->cmd_data ? 1 : 0;
2962 apr_pool_userdata_get(&data, "ap_include_sentinel", cmd->pool);
2967 data = recursion = apr_palloc(cmd->pool, sizeof(*recursion));
2969 apr_pool_userdata_setn(data, "ap_include_sentinel", NULL, cmd->pool);
2972 if (++*recursion > AP_MAX_INCLUDE_DEPTH) {
2974 return apr_psprintf(cmd->pool, "Exceeded maximum include depth of %u, "
2975 "There appears to be a recursion.",
2976 AP_MAX_INCLUDE_DEPTH);
2979 conffile = ap_server_root_relative(cmd->pool, name);
2982 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2986 error = ap_process_fnmatch_configs(cmd->server, conffile, &conftree,
2987 cmd->pool, cmd->temp_pool,
2994 *(ap_directive_t **)dummy = conftree;
2996 /* recursion level done */
3004 static const char *set_loglevel(cmd_parms *cmd, void *config_, const char *arg_)
3009 char *arg = apr_pstrdup(cmd->temp_pool, arg_);
3010 struct ap_logconf *log;
3014 core_dir_config *dconf = config_;
3016 dconf->log = ap_new_log_config(cmd->pool, NULL);
3021 log = &cmd->server->log;
3025 return "LogLevel requires level keyword or module loglevel specifier";
3027 level_str = ap_strrchr(arg, ':');
3029 if (level_str == NULL) {
3030 err = ap_parse_log_level(arg, &log->level);
3033 ap_reset_module_loglevels(log, APLOG_NO_MODULE);
3034 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3035 "Setting LogLevel for all modules to %s", arg);
3039 *level_str++ = '\0';
3041 return apr_psprintf(cmd->temp_pool, "Module specifier '%s' must be "
3042 "followed by a log level keyword", arg);
3045 err = ap_parse_log_level(level_str, &level);
3047 return apr_psprintf(cmd->temp_pool, "%s:%s: %s", arg, level_str, err);
3049 if ((module = find_module(cmd->server, arg)) == NULL) {
3050 char *name = apr_psprintf(cmd->temp_pool, "%s_module", arg);
3051 ap_log_error(APLOG_MARK, APLOG_TRACE6, 0, cmd->server,
3052 "Cannot find module '%s', trying '%s'", arg, name);
3053 module = find_module(cmd->server, name);
3056 if (module == NULL) {
3057 return apr_psprintf(cmd->temp_pool, "Cannot find module %s", arg);
3060 ap_set_module_loglevel(cmd->pool, log, module->module_index, level);
3061 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3062 "Setting LogLevel for module %s to %s", module->name,
3068 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
3071 core_dir_config *conf;
3073 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
3074 if ((conf->server_signature == srv_sig_off)
3075 || (conf->server_signature == srv_sig_unset)) {
3079 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
3081 if (conf->server_signature == srv_sig_withmail) {
3082 return apr_pstrcat(r->pool, prefix, "<address>",
3083 ap_get_server_banner(),
3084 " Server at <a href=\"",
3085 ap_is_url(r->server->server_admin) ? "" : "mailto:",
3086 ap_escape_html(r->pool, r->server->server_admin),
3088 ap_escape_html(r->pool, ap_get_server_name(r)),
3089 "</a> Port ", sport,
3090 "</address>\n", NULL);
3093 return apr_pstrcat(r->pool, prefix, "<address>", ap_get_server_banner(),
3095 ap_escape_html(r->pool, ap_get_server_name(r)),
3097 "</address>\n", NULL);
3101 * Handle a request to include the server's OS platform in the Server
3102 * response header field (the ServerTokens directive). Unfortunately
3103 * this requires a new global in order to communicate the setting back to
3104 * http_main so it can insert the information in the right place in the
3108 static char *server_banner = NULL;
3109 static int banner_locked = 0;
3110 static const char *server_description = NULL;
3112 enum server_token_type {
3113 SrvTk_MAJOR, /* eg: Apache/2 */
3114 SrvTk_MINOR, /* eg. Apache/2.0 */
3115 SrvTk_MINIMAL, /* eg: Apache/2.0.41 */
3116 SrvTk_OS, /* eg: Apache/2.0.41 (UNIX) */
3117 SrvTk_FULL, /* eg: Apache/2.0.41 (UNIX) PHP/4.2.2 FooBar/1.2b */
3118 SrvTk_PRODUCT_ONLY /* eg: Apache */
3120 static enum server_token_type ap_server_tokens = SrvTk_FULL;
3122 static apr_status_t reset_banner(void *dummy)
3125 ap_server_tokens = SrvTk_FULL;
3126 server_banner = NULL;
3127 server_description = NULL;
3131 AP_DECLARE(void) ap_get_server_revision(ap_version_t *version)
3133 version->major = AP_SERVER_MAJORVERSION_NUMBER;
3134 version->minor = AP_SERVER_MINORVERSION_NUMBER;
3135 version->patch = AP_SERVER_PATCHLEVEL_NUMBER;
3136 version->add_string = AP_SERVER_ADD_STRING;
3139 AP_DECLARE(const char *) ap_get_server_description(void)
3141 return server_description ? server_description :
3142 AP_SERVER_BASEVERSION " (" PLATFORM ")";
3145 AP_DECLARE(const char *) ap_get_server_banner(void)
3147 return server_banner ? server_banner : AP_SERVER_BASEVERSION;
3150 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
3152 if (! banner_locked) {
3154 * If the version string is null, register our cleanup to reset the
3155 * pointer on pool destruction. We also know that, if NULL,
3156 * we are adding the original SERVER_BASEVERSION string.
3158 if (server_banner == NULL) {
3159 apr_pool_cleanup_register(pconf, NULL, reset_banner,
3160 apr_pool_cleanup_null);
3161 server_banner = apr_pstrdup(pconf, component);
3165 * Tack the given component identifier to the end of
3166 * the existing string.
3168 server_banner = apr_pstrcat(pconf, server_banner, " ",
3172 server_description = apr_pstrcat(pconf, server_description, " ",
3177 * This routine adds the real server base identity to the banner string,
3178 * and then locks out changes until the next reconfig.
3180 static void set_banner(apr_pool_t *pconf)
3182 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
3183 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
3185 else if (ap_server_tokens == SrvTk_MINIMAL) {
3186 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
3188 else if (ap_server_tokens == SrvTk_MINOR) {
3189 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MINORREVISION);
3191 else if (ap_server_tokens == SrvTk_MAJOR) {
3192 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MAJORVERSION);
3195 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
3199 * Lock the server_banner string if we're not displaying
3200 * the full set of tokens
3202 if (ap_server_tokens != SrvTk_FULL) {
3205 server_description = AP_SERVER_BASEVERSION " (" PLATFORM ")";
3208 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
3209 const char *arg1, const char *arg2)
3211 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
3217 if (!strcasecmp(arg1, "OS")) {
3218 ap_server_tokens = SrvTk_OS;
3220 else if (!strcasecmp(arg1, "Min") || !strcasecmp(arg1, "Minimal")) {
3221 ap_server_tokens = SrvTk_MINIMAL;
3223 else if (!strcasecmp(arg1, "Major")) {
3224 ap_server_tokens = SrvTk_MAJOR;
3226 else if (!strcasecmp(arg1, "Minor") ) {
3227 ap_server_tokens = SrvTk_MINOR;
3229 else if (!strcasecmp(arg1, "Prod") || !strcasecmp(arg1, "ProductOnly")) {
3230 ap_server_tokens = SrvTk_PRODUCT_ONLY;
3232 else if (!strcasecmp(arg1, "Full")) {
3233 ap_server_tokens = SrvTk_FULL;
3236 return "ServerTokens takes 1 argument, 'Prod', 'Major', 'Minor', 'Min', 'OS', or 'Full'";
3242 static const char *set_limit_req_line(cmd_parms *cmd, void *dummy,
3245 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3254 return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
3255 "\" must be a non-negative integer", NULL);
3258 cmd->server->limit_req_line = lim;
3262 static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
3265 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3274 return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
3275 "\" must be a non-negative integer",
3279 cmd->server->limit_req_fieldsize = lim;
3283 static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy,
3286 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
3295 return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg,
3296 "\" must be a non-negative integer (0 = no limit)",
3300 cmd->server->limit_req_fields = lim;
3304 static const char *set_limit_req_body(cmd_parms *cmd, void *conf_,
3307 core_dir_config *conf = conf_;
3310 if (APR_SUCCESS != apr_strtoff(&conf->limit_req_body, arg, &errp, 10)) {
3311 return "LimitRequestBody argument is not parsable.";
3313 if (*errp || conf->limit_req_body < 0) {
3314 return "LimitRequestBody requires a non-negative integer.";
3320 static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_,
3323 core_dir_config *conf = conf_;
3325 conf->limit_xml_body = atol(arg);
3326 if (conf->limit_xml_body < 0)
3327 return "LimitXMLRequestBody requires a non-negative integer.";
3332 static const char *set_max_ranges(cmd_parms *cmd, void *conf_, const char *arg)
3334 core_dir_config *conf = conf_;
3337 if (!strcasecmp(arg, "none")) {
3338 val = AP_MAXRANGES_NORANGES;
3340 else if (!strcasecmp(arg, "default")) {
3341 val = AP_MAXRANGES_DEFAULT;
3343 else if (!strcasecmp(arg, "unlimited")) {
3344 val = AP_MAXRANGES_UNLIMITED;
3349 return "MaxRanges requires 'none', 'default', 'unlimited' or "
3350 "a positive integer";
3353 conf->max_ranges = val;
3358 static const char *set_max_overlaps(cmd_parms *cmd, void *conf_, const char *arg)
3360 core_dir_config *conf = conf_;
3363 if (!strcasecmp(arg, "none")) {
3364 val = AP_MAXRANGES_NORANGES;
3366 else if (!strcasecmp(arg, "default")) {
3367 val = AP_MAXRANGES_DEFAULT;
3369 else if (!strcasecmp(arg, "unlimited")) {
3370 val = AP_MAXRANGES_UNLIMITED;
3375 return "MaxRangeOverlaps requires 'none', 'default', 'unlimited' or "
3376 "a positive integer";
3379 conf->max_overlaps = val;
3384 static const char *set_max_reversals(cmd_parms *cmd, void *conf_, const char *arg)
3386 core_dir_config *conf = conf_;
3389 if (!strcasecmp(arg, "none")) {
3390 val = AP_MAXRANGES_NORANGES;
3392 else if (!strcasecmp(arg, "default")) {
3393 val = AP_MAXRANGES_DEFAULT;
3395 else if (!strcasecmp(arg, "unlimited")) {
3396 val = AP_MAXRANGES_UNLIMITED;
3401 return "MaxRangeReversals requires 'none', 'default', 'unlimited' or "
3402 "a positive integer";
3405 conf->max_reversals = val;
3410 AP_DECLARE(apr_size_t) ap_get_limit_xml_body(const request_rec *r)
3412 core_dir_config *conf;
3414 conf = ap_get_core_module_config(r->per_dir_config);
3415 if (conf->limit_xml_body == AP_LIMIT_UNSET)
3416 return AP_DEFAULT_LIMIT_XML_BODY;
3418 return (apr_size_t)conf->limit_xml_body;
3421 #if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC)
3422 static const char *no_set_limit(cmd_parms *cmd, void *conf_,
3423 const char *arg, const char *arg2)
3425 ap_log_error(APLOG_MARK, APLOG_ERR, 0, cmd->server, APLOGNO(00118)
3426 "%s not supported on this platform", cmd->cmd->name);
3433 static const char *set_limit_cpu(cmd_parms *cmd, void *conf_,
3434 const char *arg, const char *arg2)
3436 core_dir_config *conf = conf_;
3438 ap_unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU);
3443 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
3444 static const char *set_limit_mem(cmd_parms *cmd, void *conf_,
3445 const char *arg, const char * arg2)
3447 core_dir_config *conf = conf_;
3449 #if defined(RLIMIT_AS)
3450 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS);
3451 #elif defined(RLIMIT_DATA)
3452 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA);
3453 #elif defined(RLIMIT_VMEM)
3454 ap_unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM);
3462 static const char *set_limit_nproc(cmd_parms *cmd, void *conf_,
3463 const char *arg, const char * arg2)
3465 core_dir_config *conf = conf_;
3467 ap_unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC);
3472 static const char *set_recursion_limit(cmd_parms *cmd, void *dummy,
3473 const char *arg1, const char *arg2)
3475 core_server_config *conf =
3476 ap_get_core_module_config(cmd->server->module_config);
3477 int limit = atoi(arg1);
3480 return "The recursion limit must be greater than zero.";
3483 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00119)
3484 "Limiting internal redirects to very low numbers may "
3485 "cause normal requests to fail.");
3488 conf->redirect_limit = limit;
3494 return "The recursion limit must be greater than zero.";
3497 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00120)
3498 "Limiting the subrequest depth to a very low level may"
3499 " cause normal requests to fail.");
3503 conf->subreq_limit = limit;
3508 static void log_backtrace(const request_rec *r)
3510 const request_rec *top = r;
3512 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00121)
3513 "r->uri = %s", r->uri ? r->uri : "(unexpectedly NULL)");
3515 while (top && (top->prev || top->main)) {
3518 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00122)
3519 "redirected from r->uri = %s",
3520 top->uri ? top->uri : "(unexpectedly NULL)");
3523 if (!top->prev && top->main) {
3525 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00123)
3526 "subrequested from r->uri = %s",
3527 top->uri ? top->uri : "(unexpectedly NULL)");
3533 * check whether redirect limit is reached
3535 AP_DECLARE(int) ap_is_recursion_limit_exceeded(const request_rec *r)
3537 core_server_config *conf =
3538 ap_get_core_module_config(r->server->module_config);
3539 const request_rec *top = r;
3540 int redirects = 0, subreqs = 0;
3541 int rlimit = conf->redirect_limit
3542 ? conf->redirect_limit
3543 : AP_DEFAULT_MAX_INTERNAL_REDIRECTS;
3544 int slimit = conf->subreq_limit
3545 ? conf->subreq_limit
3546 : AP_DEFAULT_MAX_SUBREQ_DEPTH;
3549 while (top->prev || top->main) {
3551 if (++redirects >= rlimit) {
3552 /* uuh, too much. */
3553 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00124)
3554 "Request exceeded the limit of %d internal "
3555 "redirects due to probable configuration error. "
3556 "Use 'LimitInternalRecursion' to increase the "
3557 "limit if necessary. Use 'LogLevel debug' to get "
3558 "a backtrace.", rlimit);
3560 /* post backtrace */
3563 /* return failure */
3570 if (!top->prev && top->main) {
3571 if (++subreqs >= slimit) {
3572 /* uuh, too much. */
3573 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00125)
3574 "Request exceeded the limit of %d subrequest "
3575 "nesting levels due to probable configuration "
3576 "error. Use 'LimitInternalRecursion' to increase "
3577 "the limit if necessary. Use 'LogLevel debug' to "
3578 "get a backtrace.", slimit);
3580 /* post backtrace */
3583 /* return failure */
3591 /* recursion state: ok */
3595 static const char *set_trace_enable(cmd_parms *cmd, void *dummy,
3598 core_server_config *conf =
3599 ap_get_core_module_config(cmd->server->module_config);
3601 if (strcasecmp(arg1, "on") == 0) {
3602 conf->trace_enable = AP_TRACE_ENABLE;
3604 else if (strcasecmp(arg1, "off") == 0) {
3605 conf->trace_enable = AP_TRACE_DISABLE;
3607 else if (strcasecmp(arg1, "extended") == 0) {
3608 conf->trace_enable = AP_TRACE_EXTENDED;
3611 return "TraceEnable must be one of 'on', 'off', or 'extended'";
3617 static apr_hash_t *errorlog_hash;
3619 static int log_constant_item(const ap_errorlog_info *info, const char *arg,
3620 char *buf, int buflen)
3622 char *end = apr_cpystrn(buf, arg, buflen);
3626 static char *parse_errorlog_misc_string(apr_pool_t *p,
3627 ap_errorlog_format_item *it,
3631 char scratch[MAX_STRING_LEN];
3634 * non-leading white space terminates this string to allow the next field
3635 * separator to be inserted
3639 it->func = log_constant_item;
3642 while (*s && *s != '%' && (*s != ' ' || at_start) && d < scratch + MAX_STRING_LEN) {
3665 /* handle end of string */
3669 /* copy next char verbatim */
3676 it->arg = apr_pstrdup(p, scratch);
3682 static char *parse_errorlog_item(apr_pool_t *p, ap_errorlog_format_item *it,
3685 const char *s = *sa;
3686 ap_errorlog_handler *handler;
3691 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3693 return parse_errorlog_misc_string(p, it, sa);
3699 /* percent-space (% ) is a field separator */
3700 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3703 return parse_errorlog_item(p, it, sa);
3705 else if (*s == '%') {
3707 it->func = log_constant_item;
3716 it->arg = ap_getword(p, &s, '}');
3720 it->flags |= AP_ERRORLOG_FLAG_REQUIRED;
3724 it->flags |= AP_ERRORLOG_FLAG_NULL_AS_HYPHEN;
3737 while (apr_isdigit(*++s))
3738 i = i * 10 + (*s) - '0';
3739 it->min_loglevel = i;
3743 it->flags |= AP_ERRORLOG_FLAG_MESSAGE;
3747 handler = (ap_errorlog_handler *)apr_hash_get(errorlog_hash, s, 1);
3753 return apr_pstrcat(p, "Unrecognized error log format directive %",
3756 it->func = handler->func;
3762 return "Ran off end of error log format parsing args to some directive";
3765 static apr_array_header_t *parse_errorlog_string(apr_pool_t *p,
3770 apr_array_header_t *a = apr_array_make(p, 30,
3771 sizeof(ap_errorlog_format_item));
3773 int seen_msg_fmt = 0;
3776 ap_errorlog_format_item *item =
3777 (ap_errorlog_format_item *)apr_array_push(a);
3778 memset(item, 0, sizeof(*item));
3779 res = parse_errorlog_item(p, item, &s);
3784 if (item->flags & AP_ERRORLOG_FLAG_MESSAGE) {
3786 *err = "%M cannot be used in once-per-request or "
3787 "once-per-connection formats";
3792 if (is_main_fmt && item->flags & AP_ERRORLOG_FLAG_REQUIRED) {
3793 *err = "The '+' flag cannot be used in the main error log format";
3796 if (!is_main_fmt && item->min_loglevel) {
3797 *err = "The loglevel cannot be used as a condition in "
3798 "once-per-request or once-per-connection formats";
3801 if (item->min_loglevel > APLOG_TRACE8) {
3802 *err = "The specified loglevel modifier is out of range";
3807 if (is_main_fmt && !seen_msg_fmt) {
3808 *err = "main ErrorLogFormat must contain message format string '%M'";
3815 static const char *set_errorlog_format(cmd_parms *cmd, void *dummy,
3816 const char *arg1, const char *arg2)
3818 const char *err_string = NULL;
3819 core_server_config *conf =
3820 ap_get_core_module_config(cmd->server->module_config);
3823 conf->error_log_format = parse_errorlog_string(cmd->pool, arg1,
3826 else if (!strcasecmp(arg1, "connection")) {
3827 if (!conf->error_log_conn) {
3828 conf->error_log_conn = apr_array_make(cmd->pool, 5,
3829 sizeof(apr_array_header_t *));
3833 apr_array_header_t **e;
3834 e = (apr_array_header_t **) apr_array_push(conf->error_log_conn);
3835 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3838 else if (!strcasecmp(arg1, "request")) {
3839 if (!conf->error_log_req) {
3840 conf->error_log_req = apr_array_make(cmd->pool, 5,
3841 sizeof(apr_array_header_t *));
3845 apr_array_header_t **e;
3846 e = (apr_array_header_t **) apr_array_push(conf->error_log_req);
3847 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3851 err_string = "ErrorLogFormat type must be one of request, connection";
3857 AP_DECLARE(void) ap_register_errorlog_handler(apr_pool_t *p, char *tag,
3858 ap_errorlog_handler_fn_t *handler,
3861 ap_errorlog_handler *log_struct = apr_palloc(p, sizeof(*log_struct));
3862 log_struct->func = handler;
3863 log_struct->flags = flags;
3865 apr_hash_set(errorlog_hash, tag, 1, (const void *)log_struct);
3869 /* Note --- ErrorDocument will now work from .htaccess files.
3870 * The AllowOverride of Fileinfo allows webmasters to turn it off
3873 static const command_rec core_cmds[] = {
3875 /* Old access config file commands */
3877 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
3878 "Container for directives affecting resources located in the specified "
3880 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
3881 "Container for directives affecting resources accessed through the "
3882 "specified URL paths"),
3883 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
3884 "Container to map directives to a particular virtual host, takes one or "
3885 "more host addresses"),
3886 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
3887 "Container for directives affecting files matching specified patterns"),
3888 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_LIMIT | OR_AUTHCFG,
3889 "Container for authentication directives when accessed using specified HTTP "
3891 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1,
3892 OR_LIMIT | OR_AUTHCFG,
3893 "Container for authentication directives to be applied when any HTTP "
3894 "method other than those specified is used to access the resource"),
3895 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
3896 "Container for directives based on existence of specified modules"),
3897 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
3898 "Container for directives based on existence of command line defines"),
3899 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
3900 "Container for directives affecting resources located in the "
3901 "specified directories"),
3902 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
3903 "Container for directives affecting resources accessed through the "
3904 "specified URL paths"),
3905 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
3906 "Container for directives affecting files matching specified patterns"),
3908 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
3909 "Directory to plop gmon.out files"),
3911 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
3912 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
3913 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
3914 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
3915 AP_INIT_TAKE12("Define", set_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3916 "Define a variable, optionally to a value. Same as passing -D to the command line."),
3917 AP_INIT_TAKE1("UnDefine", unset_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3918 "Undefine the existence of a variable. Undo a Define."),
3919 AP_INIT_RAW_ARGS("Error", generate_error, NULL, OR_ALL,
3920 "Generate error message from within configuration"),
3921 AP_INIT_RAW_ARGS("<If", ifsection, COND_IF, OR_ALL,
3922 "Container for directives to be conditionally applied"),
3923 AP_INIT_RAW_ARGS("<ElseIf", ifsection, COND_ELSEIF, OR_ALL,
3924 "Container for directives to be conditionally applied"),
3925 AP_INIT_RAW_ARGS("<Else", ifsection, COND_ELSE, OR_ALL,
3926 "Container for directives to be conditionally applied"),
3928 /* Old resource config file commands */
3930 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
3931 "Name(s) of per-directory config files (default: .htaccess)"),
3932 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
3933 "Root directory of the document tree"),
3934 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
3935 "Change responses for HTTP errors"),
3936 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
3937 "Controls what groups of directives can be configured by per-directory "
3939 AP_INIT_TAKE_ARGV("AllowOverrideList", set_override_list, NULL, ACCESS_CONF,
3940 "Controls what individual directives can be configured by per-directory "
3942 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
3943 "Set a number of attributes for a given directory"),
3944 AP_INIT_TAKE1("DefaultType", set_default_type, NULL, OR_FILEINFO,
3945 "the default media type for otherwise untyped files (DEPRECATED)"),
3946 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
3947 "Specify components used to construct a file's ETag"),
3948 AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO,
3949 "Controls whether memory-mapping may be used to read files"),
3950 AP_INIT_TAKE1("EnableSendfile", set_enable_sendfile, NULL, OR_FILEINFO,
3951 "Controls whether sendfile may be used to transmit files"),
3953 /* Old server config file commands */
3955 AP_INIT_TAKE1("Protocol", set_protocol, NULL, RSRC_CONF,
3956 "Set the Protocol for httpd to use."),
3957 AP_INIT_TAKE2("AcceptFilter", set_accf_map, NULL, RSRC_CONF,
3958 "Set the Accept Filter to use for a protocol"),
3959 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
3960 "Port was replaced with Listen in Apache 2.0"),
3961 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
3962 ACCESS_CONF|RSRC_CONF,
3963 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
3964 "enable double-reverse DNS lookups"),
3965 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
3966 (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF,
3967 "The email address of the server administrator"),
3968 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
3969 "The hostname and port of the server"),
3970 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
3971 "En-/disable server signature (on|off|email)"),
3972 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
3973 "Common directory of server-related files (logs, confs, etc.)"),
3974 AP_INIT_TAKE1("DefaultRuntimeDir", set_runtime_dir, NULL, RSRC_CONF | EXEC_ON_READ,
3975 "Common directory for run-time files (shared memory, locks, etc.)"),
3976 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
3977 (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
3978 "The filename of the error log"),
3979 AP_INIT_TAKE12("ErrorLogFormat", set_errorlog_format, NULL, RSRC_CONF,
3980 "Format string for the ErrorLog"),
3981 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
3982 "A name or names alternately used to access the server"),
3983 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
3984 "The pathname the server can be reached at"),
3985 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
3986 "Timeout duration (sec)"),
3987 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
3988 "whether or not to send a Content-MD5 header with each request"),
3989 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
3990 RSRC_CONF|ACCESS_CONF,
3991 "How to work out the ServerName : Port when constructing URLs"),
3992 AP_INIT_TAKE1("UseCanonicalPhysicalPort", set_use_canonical_phys_port, NULL,
3993 RSRC_CONF|ACCESS_CONF,
3994 "Whether to use the physical Port when constructing URLs"),
3995 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
3996 /* TODO: ListenBacklog in MPM */
3997 AP_INIT_TAKE1("Include", include_config, NULL,
3998 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
3999 "Name(s) of the config file(s) to be included; fails if the wildcard does "
4000 "not match at least one file"),
4001 AP_INIT_TAKE1("IncludeOptional", include_config, (void*)1,
4002 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
4003 "Name or pattern of the config file(s) to be included; ignored if the file "
4004 "does not exist or the pattern does not match any files"),
4005 AP_INIT_ITERATE("LogLevel", set_loglevel, NULL, RSRC_CONF|ACCESS_CONF,
4006 "Level of verbosity in error logging"),
4007 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
4008 "A numeric IP address:port, or the name of a host"),
4009 AP_INIT_TAKE12("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
4010 "Determine tokens displayed in the Server: header - Min(imal), "
4011 "Major, Minor, Prod, OS or Full"),
4012 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
4013 "Limit on maximum size of an HTTP request line"),
4014 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
4016 "Limit on maximum size of an HTTP request header field"),
4017 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
4018 "Limit (0 = unlimited) on max number of header fields in a request message"),
4019 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
4020 (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL,
4021 "Limit (in bytes) on maximum size of request message body"),
4022 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
4023 "Limit (in bytes) on maximum size of an XML-based request "
4025 AP_INIT_RAW_ARGS("Mutex", ap_set_mutex, NULL, RSRC_CONF,
4026 "mutex (or \"default\") and mechanism"),
4028 AP_INIT_TAKE1("MaxRanges", set_max_ranges, NULL, RSRC_CONF|ACCESS_CONF,
4029 "Maximum number of Ranges in a request before returning the entire "
4030 "resource, or 0 for unlimited"),
4031 AP_INIT_TAKE1("MaxRangeOverlaps", set_max_overlaps, NULL, RSRC_CONF|ACCESS_CONF,
4032 "Maximum number of overlaps in Ranges in a request before returning the entire "
4033 "resource, or 0 for unlimited"),
4034 AP_INIT_TAKE1("MaxRangeReversals", set_max_reversals, NULL, RSRC_CONF|ACCESS_CONF,
4035 "Maximum number of reversals in Ranges in a request before returning the entire "
4036 "resource, or 0 for unlimited"),
4037 /* System Resource Controls */
4039 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
4040 (void*)APR_OFFSETOF(core_dir_config, limit_cpu),
4041 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4043 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
4044 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4046 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
4047 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
4048 (void*)APR_OFFSETOF(core_dir_config, limit_mem),
4049 OR_ALL, "Soft/hard limits for max memory usage per process"),
4051 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
4052 OR_ALL, "Soft/hard limits for max memory usage per process"),
4055 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
4056 (void*)APR_OFFSETOF(core_dir_config, limit_nproc),
4057 OR_ALL, "soft/hard limits for max number of processes per uid"),
4059 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
4060 OR_ALL, "soft/hard limits for max number of processes per uid"),
4063 /* internal recursion stopper */
4064 AP_INIT_TAKE12("LimitInternalRecursion", set_recursion_limit, NULL, RSRC_CONF,
4065 "maximum recursion depth of internal redirects and subrequests"),
4067 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
4068 (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
4069 "a mime type that overrides other configured type"),
4070 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
4071 (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO,
4072 "a handler name that overrides any other configured handler"),
4073 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
4074 (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO,
4075 "filter (or ; delimited list of filters) to be run on the request content"),
4076 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
4077 (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO,
4078 "filter (or ; delimited list of filters) to be run on the request body"),
4079 AP_INIT_TAKE1("AllowEncodedSlashes", set_allow2f, NULL, RSRC_CONF,
4080 "Allow URLs containing '/' encoded as '%2F'"),
4082 /* scoreboard.c directives */
4083 AP_INIT_TAKE1("ScoreBoardFile", ap_set_scoreboard, NULL, RSRC_CONF,
4084 "A file for Apache to maintain runtime process management information"),
4085 AP_INIT_FLAG("ExtendedStatus", ap_set_extended_status, NULL, RSRC_CONF,
4086 "\"On\" to track extended status information, \"Off\" to disable"),
4087 AP_INIT_FLAG("SeeRequestTail", ap_set_reqtail, NULL, RSRC_CONF,
4088 "For extended status, \"On\" to see the last 63 chars of "
4089 "the request line, \"Off\" (default) to see the first 63"),
4092 * These are default configuration directives that mpms can/should
4094 * XXX These are not for all platforms, and even some Unix MPMs might not want
4097 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF,
4098 "A file for logging the server process ID"),
4099 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4100 "Maximum number of connections a particular child serves before "
4101 "dying. (DEPRECATED, use MaxConnectionsPerChild)"),
4102 AP_INIT_TAKE1("MaxConnectionsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4103 "Maximum number of connections a particular child serves before dying."),
4104 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF,
4105 "The location of the directory Apache changes to before dumping core"),
4106 AP_INIT_TAKE1("MaxMemFree", ap_mpm_set_max_mem_free, NULL, RSRC_CONF,
4107 "Maximum number of 1k blocks a particular child's allocator may hold."),
4108 AP_INIT_TAKE1("ThreadStackSize", ap_mpm_set_thread_stacksize, NULL, RSRC_CONF,
4109 "Size in bytes of stack used by threads handling client connections"),
4110 #if AP_ENABLE_EXCEPTION_HOOK
4111 AP_INIT_TAKE1("EnableExceptionHook", ap_mpm_set_exception_hook, NULL, RSRC_CONF,
4112 "Controls whether exception hook may be called after a crash"),
4114 AP_INIT_TAKE1("TraceEnable", set_trace_enable, NULL, RSRC_CONF,
4115 "'on' (default), 'off' or 'extended' to trace request body content"),
4119 /*****************************************************************
4121 * Core handlers for various phases of server operation...
4124 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
4129 /* XXX this seems too specific, this should probably become
4130 * some general-case test
4133 return HTTP_FORBIDDEN;
4135 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
4136 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00126)
4137 "Invalid URI in request %s", r->the_request);
4138 return HTTP_BAD_REQUEST;
4142 && !strncmp(r->uri, r->server->path, r->server->pathlen)
4143 && (r->server->path[r->server->pathlen - 1] == '/'
4144 || r->uri[r->server->pathlen] == '/'
4145 || r->uri[r->server->pathlen] == '\0'))
4147 path = r->uri + r->server->pathlen;
4153 * Make sure that we do not mess up the translation by adding two
4154 * /'s in a row. This happens under windows when the document
4155 * root ends with a /
4157 /* skip all leading /'s (e.g. http://localhost///foo)
4158 * so we are looking at only the relative path.
4160 while (*path == '/') {
4163 if ((rv = apr_filepath_merge(&r->filename, ap_document_root(r), path,
4164 APR_FILEPATH_TRUENAME
4165 | APR_FILEPATH_SECUREROOT, r->pool))
4167 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(00127)
4168 "Cannot map %s to file", r->the_request);
4169 return HTTP_FORBIDDEN;
4171 r->canonical_filename = r->filename;
4176 /*****************************************************************
4178 * Test the filesystem name through directory_walk and file_walk
4180 static int core_map_to_storage(request_rec *r)
4184 if ((access_status = ap_directory_walk(r))) {
4185 return access_status;
4188 if ((access_status = ap_file_walk(r))) {
4189 return access_status;
4196 static int do_nothing(request_rec *r) { return OK; }
4199 static int core_override_type(request_rec *r)
4201 core_dir_config *conf =
4202 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4204 /* Check for overrides with ForceType / SetHandler
4206 if (conf->mime_type && strcmp(conf->mime_type, "none"))
4207 ap_set_content_type(r, (char*) conf->mime_type);
4209 if (conf->handler && strcmp(conf->handler, "none"))
4210 r->handler = conf->handler;
4212 /* Deal with the poor soul who is trying to force path_info to be
4213 * accepted within the core_handler, where they will let the subreq
4214 * address its contents. This is toggled by the user in the very
4215 * beginning of the fixup phase (here!), so modules should override the user's
4216 * discretion in their own module fixup phase. It is tristate, if
4217 * the user doesn't specify, the result is AP_REQ_DEFAULT_PATH_INFO.
4218 * (which the module may interpret to its own customary behavior.)
4219 * It won't be touched if the value is no longer AP_ACCEPT_PATHINFO_UNSET,
4220 * so any module changing the value prior to the fixup phase
4221 * OVERRIDES the user's choice.
4223 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
4224 && (conf->accept_path_info != AP_ACCEPT_PATHINFO_UNSET)) {
4225 /* No module knew better, and the user coded AcceptPathInfo */
4226 r->used_path_info = conf->accept_path_info;
4232 static int default_handler(request_rec *r)
4234 conn_rec *c = r->connection;
4235 apr_bucket_brigade *bb;
4239 apr_file_t *fd = NULL;
4240 apr_status_t status;
4241 /* XXX if/when somebody writes a content-md5 filter we either need to
4242 * remove this support or coordinate when to use the filter vs.
4243 * when to use this code
4244 * The current choice of when to compute the md5 here matches the 1.3
4245 * support fairly closely (unlike 1.3, we don't handle computing md5
4246 * when the charset is translated).
4248 int bld_content_md5;
4250 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4251 bld_content_md5 = (d->content_md5 == AP_CONTENT_MD5_ON)
4252 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
4254 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
4256 /* If filters intend to consume the request body, they must
4257 * register an InputFilter to slurp the contents of the POST
4258 * data from the POST input stream. It no longer exists when
4259 * the output filters are invoked by the default handler.
4261 if ((errstatus = ap_discard_request_body(r)) != OK) {
4265 if (r->method_number == M_GET || r->method_number == M_POST) {
4266 if (r->finfo.filetype == APR_NOFILE) {
4267 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00128)
4268 "File does not exist: %s",
4269 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
4270 return HTTP_NOT_FOUND;
4273 /* Don't try to serve a dir. Some OSs do weird things with
4276 if (r->finfo.filetype == APR_DIR) {
4277 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00129)
4278 "Attempt to serve directory: %s", r->filename);
4279 return HTTP_NOT_FOUND;
4282 if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) &&
4283 r->path_info && *r->path_info)
4285 /* default to reject */
4286 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00130)
4287 "File does not exist: %s",
4288 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
4289 return HTTP_NOT_FOUND;
4292 /* We understood the (non-GET) method, but it might not be legal for
4293 this particular resource. Check to see if the 'deliver_script'
4294 flag is set. If so, then we go ahead and deliver the file since
4295 it isn't really content (only GET normally returns content).
4297 Note: based on logic further above, the only possible non-GET
4298 method at this point is POST. In the future, we should enable
4299 script delivery for all methods. */
4300 if (r->method_number != M_GET) {
4301 core_request_config *req_cfg;
4303 req_cfg = ap_get_core_module_config(r->request_config);
4304 if (!req_cfg->deliver_script) {
4305 /* The flag hasn't been set for this request. Punt. */
4306 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00131)
4307 "This resource does not accept the %s method.",
4309 return HTTP_METHOD_NOT_ALLOWED;
4314 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY
4315 #if APR_HAS_SENDFILE
4316 | AP_SENDFILE_ENABLED(d->enable_sendfile)
4318 , 0, r->pool)) != APR_SUCCESS) {
4319 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(00132)
4320 "file permissions deny server access: %s", r->filename);
4321 return HTTP_FORBIDDEN;
4324 ap_update_mtime(r, r->finfo.mtime);
4325 ap_set_last_modified(r);
4327 ap_set_accept_ranges(r);
4328 ap_set_content_length(r, r->finfo.size);
4329 if (bld_content_md5) {
4330 apr_table_setn(r->headers_out, "Content-MD5",
4331 ap_md5digest(r->pool, fd));
4334 bb = apr_brigade_create(r->pool, c->bucket_alloc);
4336 if ((errstatus = ap_meets_conditions(r)) != OK) {
4338 r->status = errstatus;
4341 e = apr_brigade_insert_file(bb, fd, 0, r->finfo.size, r->pool);
4344 if (d->enable_mmap == ENABLE_MMAP_OFF) {
4345 (void)apr_bucket_file_enable_mmap(e, 0);
4350 e = apr_bucket_eos_create(c->bucket_alloc);
4351 APR_BRIGADE_INSERT_TAIL(bb, e);
4353 status = ap_pass_brigade(r->output_filters, bb);
4354 if (status == APR_SUCCESS
4355 || r->status != HTTP_OK
4360 /* no way to know what type of error occurred */
4361 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(00133)
4362 "default_handler: ap_pass_brigade returned %i",
4364 return HTTP_INTERNAL_SERVER_ERROR;
4367 else { /* unusual method (not GET or POST) */
4368 if (r->method_number == M_INVALID) {
4369 /* See if this looks like an undecrypted SSL handshake attempt.
4370 * It's safe to look a couple bytes into the_request if it exists, as it's
4371 * always allocated at least MIN_LINE_ALLOC (80) bytes.
4374 && r->the_request[0] == 0x16
4375 && (r->the_request[1] == 0x2 || r->the_request[1] == 0x3)) {
4376 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00134)
4377 "Invalid method in request %s - possible attempt to establish SSL connection on non-SSL port", r->the_request);
4379 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00135)
4380 "Invalid method in request %s", r->the_request);
4382 return HTTP_NOT_IMPLEMENTED;
4385 if (r->method_number == M_OPTIONS) {
4386 return ap_send_http_options(r);
4388 return HTTP_METHOD_NOT_ALLOWED;
4392 /* Optional function coming from mod_logio, used for logging of output
4395 APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *ap__logio_add_bytes_out;
4396 APR_OPTIONAL_FN_TYPE(authz_some_auth_required) *ap__authz_ap_some_auth_required;
4398 /* Insist that at least one module will undertake to provide system
4399 * security by dropping startup privileges.
4401 static int sys_privileges = 0;
4402 AP_DECLARE(int) ap_sys_privileges_handlers(int inc)
4404 sys_privileges += inc;
4405 return sys_privileges;
4408 static int check_errorlog_dir(apr_pool_t *p, server_rec *s)
4410 if (!s->error_fname || s->error_fname[0] == '|'
4411 || strcmp(s->error_fname, "syslog") == 0) {
4415 char *abs = ap_server_root_relative(p, s->error_fname);
4416 char *dir = ap_make_dirstr_parent(p, abs);
4418 apr_status_t rv = apr_stat(&finfo, dir, APR_FINFO_TYPE, p);
4419 if (rv == APR_SUCCESS && finfo.filetype != APR_DIR)
4421 if (rv != APR_SUCCESS) {
4422 const char *desc = "main error log";
4424 desc = apr_psprintf(p, "error log of vhost defined at %s:%d",
4425 s->defn_name, s->defn_line_number);
4426 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, rv,
4427 ap_server_conf, APLOGNO(02291)
4428 "Cannot access directory '%s' for %s", dir, desc);
4435 static int core_check_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4439 if (check_errorlog_dir(ptemp, s) != OK)
4447 static int core_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
4449 ap_mutex_init(pconf);
4451 if (!saved_server_config_defines)
4452 init_config_defines(pconf);
4453 apr_pool_cleanup_register(pconf, NULL, reset_config_defines,
4454 apr_pool_cleanup_null);
4456 mpm_common_pre_config(pconf);
4461 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4463 ap__logio_add_bytes_out = APR_RETRIEVE_OPTIONAL_FN(ap_logio_add_bytes_out);
4464 ident_lookup = APR_RETRIEVE_OPTIONAL_FN(ap_ident_lookup);
4465 ap__authz_ap_some_auth_required = APR_RETRIEVE_OPTIONAL_FN(authz_some_auth_required);
4466 authn_ap_auth_type = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_type);
4467 authn_ap_auth_name = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_name);
4468 access_compat_ap_satisfies = APR_RETRIEVE_OPTIONAL_FN(access_compat_ap_satisfies);
4471 ap_setup_make_content_type(pconf);
4472 ap_setup_auth_internal(ptemp);
4473 if (!sys_privileges) {
4474 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL, APLOGNO(00136)
4475 "Server MUST relinquish startup privileges before "
4476 "accepting connections. Please ensure mod_unixd "
4477 "or other system security module is loaded.");
4480 apr_pool_cleanup_register(pconf, NULL, ap_mpm_end_gen_helper,
4481 apr_pool_cleanup_null);
4485 static void core_insert_filter(request_rec *r)
4487 core_dir_config *conf = (core_dir_config *)
4488 ap_get_core_module_config(r->per_dir_config);
4489 const char *filter, *filters = conf->output_filters;
4492 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4493 ap_add_output_filter(filter, NULL, r, r->connection);
4497 filters = conf->input_filters;
4499 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4500 ap_add_input_filter(filter, NULL, r, r->connection);
4505 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
4507 static apr_status_t reset_request_notes(void *dummy)
4509 num_request_notes = AP_NUM_STD_NOTES;
4513 AP_DECLARE(apr_size_t) ap_register_request_note(void)
4515 apr_pool_cleanup_register(apr_hook_global_pool, NULL, reset_request_notes,
4516 apr_pool_cleanup_null);
4517 return num_request_notes++;
4520 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
4522 core_request_config *req_cfg;
4524 if (note_num >= num_request_notes) {
4528 req_cfg = (core_request_config *)
4529 ap_get_core_module_config(r->request_config);
4535 return &(req_cfg->notes[note_num]);
4538 AP_DECLARE(apr_socket_t *) ap_get_conn_socket(conn_rec *c)
4540 return ap_get_core_module_config(c->conn_config);
4543 static int core_create_req(request_rec *r)
4545 /* Alloc the config struct and the array of request notes in
4546 * a single block for efficiency
4548 core_request_config *req_cfg;
4550 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
4551 sizeof(void *) * num_request_notes);
4552 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
4554 /* ### temporarily enable script delivery as the default */
4555 req_cfg->deliver_script = 1;
4558 core_request_config *main_req_cfg = (core_request_config *)
4559 ap_get_core_module_config(r->main->request_config);
4560 req_cfg->bb = main_req_cfg->bb;
4563 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
4566 ap_set_core_module_config(r->request_config, req_cfg);
4571 static int core_create_proxy_req(request_rec *r, request_rec *pr)
4573 return core_create_req(pr);
4576 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
4577 apr_socket_t *csd, long id, void *sbh,
4578 apr_bucket_alloc_t *alloc)
4581 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
4584 (void)ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *)NULL);
4586 /* Got a connection structure, so initialize what fields we can
4587 * (the rest are zeroed out by pcalloc).
4589 c->conn_config = ap_create_conn_config(ptrans);
4590 c->notes = apr_table_make(ptrans, 5);
4593 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
4595 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00137)
4596 "apr_socket_addr_get(APR_LOCAL)");
4597 apr_socket_close(csd);
4601 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
4602 if ((rv = apr_socket_addr_get(&c->client_addr, APR_REMOTE, csd))
4604 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00138)
4605 "apr_socket_addr_get(APR_REMOTE)");
4606 apr_socket_close(csd);
4610 apr_sockaddr_ip_get(&c->client_ip, c->client_addr);
4611 c->base_server = server;
4614 c->bucket_alloc = alloc;
4616 c->clogging_input_filters = 0;
4621 static int core_pre_connection(conn_rec *c, void *csd)
4623 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4626 /* The Nagle algorithm says that we should delay sending partial
4627 * packets in hopes of getting more data. We don't want to do
4628 * this; we are not telnet. There are bad interactions between
4629 * persistent connections and Nagle's algorithm that have very severe
4630 * performance penalties. (Failing to disable Nagle is not much of a
4631 * problem with simple HTTP.)
4633 rv = apr_socket_opt_set(csd, APR_TCP_NODELAY, 1);
4634 if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
4635 /* expected cause is that the client disconnected already,
4636 * hence the debug level
4638 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00139)
4639 "apr_socket_opt_set(APR_TCP_NODELAY)");
4642 /* The core filter requires the timeout mode to be set, which
4643 * incidentally sets the socket to be nonblocking. If this
4644 * is not initialized correctly, Linux - for example - will
4645 * be initially blocking, while Solaris will be non blocking
4646 * and any initial read will fail.
4648 rv = apr_socket_timeout_set(csd, c->base_server->timeout);
4649 if (rv != APR_SUCCESS) {
4650 /* expected cause is that the client disconnected already */
4651 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00140)
4652 "apr_socket_timeout_set");
4657 net->out_ctx = NULL;
4658 net->client_socket = csd;
4660 ap_set_core_module_config(net->c->conn_config, csd);
4661 ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c);
4662 ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c);
4666 AP_DECLARE(int) ap_state_query(int query)
4669 case AP_SQ_MAIN_STATE:
4670 return ap_main_state;
4671 case AP_SQ_RUN_MODE:
4673 case AP_SQ_CONFIG_GEN:
4674 return ap_config_generation;
4676 return AP_SQ_NOT_SUPPORTED;
4680 static apr_random_t *rng = NULL;
4682 static apr_thread_mutex_t *rng_mutex = NULL;
4685 static void core_child_init(apr_pool_t *pchild, server_rec *s)
4690 if (ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm) == APR_SUCCESS
4693 apr_thread_mutex_create(&rng_mutex, APR_THREAD_MUTEX_DEFAULT, pchild);
4696 /* The MPMs use plain fork() and not apr_proc_fork(), so we have to call
4697 * apr_random_after_fork() manually in the child
4699 proc.pid = getpid();
4700 apr_random_after_fork(&proc);
4703 AP_CORE_DECLARE(void) ap_random_parent_after_fork(void)
4706 * To ensure that the RNG state in the parent changes after the fork, we
4707 * pull some data from the RNG and discard it. This ensures that the RNG
4708 * states in the children are different even after the pid wraps around.
4709 * As we only use apr_random for insecure random bytes, pulling 2 bytes
4711 * XXX: APR should probably have some dedicated API to do this, but it
4712 * XXX: currently doesn't.
4715 apr_random_insecure_bytes(rng, &data, sizeof(data));
4718 AP_CORE_DECLARE(void) ap_init_rng(apr_pool_t *p)
4720 unsigned char seed[8];
4722 rng = apr_random_standard_new(p);
4724 rv = apr_generate_random_bytes(seed, sizeof(seed));
4725 if (rv != APR_SUCCESS)
4727 apr_random_add_entropy(rng, seed, sizeof(seed));
4728 rv = apr_random_insecure_ready(rng);
4729 } while (rv == APR_ENOTENOUGHENTROPY);
4730 if (rv == APR_SUCCESS)
4733 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(00141)
4734 "Could not initialize random number generator");
4738 AP_DECLARE(void) ap_random_insecure_bytes(void *buf, apr_size_t size)
4742 apr_thread_mutex_lock(rng_mutex);
4744 /* apr_random_insecure_bytes can only fail with APR_ENOTENOUGHENTROPY,
4745 * and we have ruled that out during initialization. Therefore we don't
4746 * need to check the return code.
4748 apr_random_insecure_bytes(rng, buf, size);
4751 apr_thread_mutex_unlock(rng_mutex);
4756 * Finding a random number in a range.
4757 * n' = a + n(b-a+1)/(M+1)
4759 * n' = random number in range
4760 * a = low end of range
4761 * b = high end of range
4762 * n = random number of 0..M
4764 * Algorithm 'borrowed' from PHP's rand() function.
4766 #define RAND_RANGE(__n, __min, __max, __tmax) \
4767 (__n) = (__min) + (long) ((double) ((__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))
4768 AP_DECLARE(apr_uint32_t) ap_random_pick(apr_uint32_t min, apr_uint32_t max)
4770 apr_uint32_t number;
4771 #if (!__GNUC__ || __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \
4772 !__sparc__ || APR_SIZEOF_VOIDP != 8)
4773 /* This triggers a gcc bug on sparc/64bit with gcc < 4.8, PR 52900 */
4776 ap_random_insecure_bytes(&num16, sizeof(num16));
4777 RAND_RANGE(num16, min, max, APR_UINT16_MAX);
4783 ap_random_insecure_bytes(&number, sizeof(number));
4784 RAND_RANGE(number, min, max, APR_UINT32_MAX);
4789 static apr_status_t core_insert_network_bucket(conn_rec *c,
4790 apr_bucket_brigade *bb,
4791 apr_socket_t *socket)
4793 apr_bucket *e = apr_bucket_socket_create(socket, c->bucket_alloc);
4794 APR_BRIGADE_INSERT_TAIL(bb, e);
4798 static void core_dump_config(apr_pool_t *p, server_rec *s)
4800 core_server_config *sconf = ap_get_core_module_config(s->module_config);
4801 apr_file_t *out = NULL;
4803 const char **defines;
4805 if (!ap_exists_config_define("DUMP_RUN_CFG"))
4808 apr_file_open_stdout(&out, p);
4809 apr_file_printf(out, "ServerRoot: \"%s\"\n", ap_server_root);
4810 tmp = ap_server_root_relative(p, sconf->ap_document_root);
4811 apr_file_printf(out, "Main DocumentRoot: \"%s\"\n", tmp);
4812 if (s->error_fname[0] != '|' && strcmp(s->error_fname, "syslog") != 0)
4813 tmp = ap_server_root_relative(p, s->error_fname);
4815 tmp = s->error_fname;
4816 apr_file_printf(out, "Main ErrorLog: \"%s\"\n", tmp);
4817 if (ap_scoreboard_fname) {
4818 tmp = ap_server_root_relative(p, ap_scoreboard_fname);
4819 apr_file_printf(out, "ScoreBoardFile: \"%s\"\n", tmp);
4821 ap_dump_mutexes(p, s, out);
4822 ap_mpm_dump_pidfile(p, out);
4824 defines = (const char **)ap_server_config_defines->elts;
4825 for (i = 0; i < ap_server_config_defines->nelts; i++) {
4826 const char *name = defines[i];
4827 const char *val = NULL;
4828 if (server_config_defined_vars)
4829 val = apr_table_get(server_config_defined_vars, name);
4831 apr_file_printf(out, "Define: %s=%s\n", name, val);
4833 apr_file_printf(out, "Define: %s\n", name);
4837 static void register_hooks(apr_pool_t *p)
4839 errorlog_hash = apr_hash_make(p);
4840 ap_register_log_hooks(p);
4841 ap_register_config_hooks(p);
4844 /* create_connection and pre_connection should always be hooked
4845 * APR_HOOK_REALLY_LAST by core to give other modules the opportunity
4846 * to install alternate network transports and stop other functions
4849 ap_hook_create_connection(core_create_conn, NULL, NULL,
4850 APR_HOOK_REALLY_LAST);
4851 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4852 APR_HOOK_REALLY_LAST);
4854 ap_hook_pre_config(core_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
4855 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4856 ap_hook_check_config(core_check_config,NULL,NULL,APR_HOOK_FIRST);
4857 ap_hook_test_config(core_dump_config,NULL,NULL,APR_HOOK_FIRST);
4858 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4859 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4860 ap_hook_open_logs(ap_open_logs,NULL,NULL,APR_HOOK_REALLY_FIRST);
4861 ap_hook_child_init(core_child_init,NULL,NULL,APR_HOOK_REALLY_FIRST);
4862 ap_hook_child_init(ap_logs_child_init,NULL,NULL,APR_HOOK_MIDDLE);
4863 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4864 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4865 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4866 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4867 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4868 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4870 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4871 ap_hook_child_status(ap_core_child_status, NULL, NULL, APR_HOOK_MIDDLE);
4872 ap_hook_insert_network_bucket(core_insert_network_bucket, NULL, NULL,
4873 APR_HOOK_REALLY_LAST);
4875 /* register the core's insert_filter hook and register core-provided
4878 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4880 ap_core_input_filter_handle =
4881 ap_register_input_filter("CORE_IN", ap_core_input_filter,
4882 NULL, AP_FTYPE_NETWORK);
4883 ap_content_length_filter_handle =
4884 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4885 NULL, AP_FTYPE_PROTOCOL);
4886 ap_core_output_filter_handle =
4887 ap_register_output_filter("CORE", ap_core_output_filter,
4888 NULL, AP_FTYPE_NETWORK);
4889 ap_subreq_core_filter_handle =
4890 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4891 NULL, AP_FTYPE_CONTENT_SET);
4893 ap_register_output_filter("OLD_WRITE", ap_old_write_filter,
4894 NULL, AP_FTYPE_RESOURCE - 10);
4897 AP_DECLARE_MODULE(core) = {
4899 AP_PLATFORM_REWRITE_ARGS_HOOK, /* hook to run before apache parses args */
4900 create_core_dir_config, /* create per-directory config structure */
4901 merge_core_dir_configs, /* merge per-directory config structures */
4902 create_core_server_config, /* create per-server config structure */
4903 merge_core_server_configs, /* merge per-server config structures */
4904 core_cmds, /* command apr_table_t */
4905 register_hooks /* register hooks */