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 if (virt->http09_enable != AP_HTTP09_UNSET)
506 conf->http09_enable = virt->http09_enable;
508 /* no action for virt->accf_map, not allowed per-vhost */
511 conf->protocol = virt->protocol;
514 conf->gprof_dir = virt->gprof_dir;
516 if (virt->error_log_format)
517 conf->error_log_format = virt->error_log_format;
519 if (virt->error_log_conn)
520 conf->error_log_conn = virt->error_log_conn;
522 if (virt->error_log_req)
523 conf->error_log_req = virt->error_log_req;
528 /* Add per-directory configuration entry (for <directory> section);
529 * these are part of the core server config.
532 AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config)
534 core_server_config *sconf = ap_get_core_module_config(s->module_config);
535 void **new_space = (void **)apr_array_push(sconf->sec_dir);
537 *new_space = dir_config;
540 AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config)
542 core_server_config *sconf = ap_get_core_module_config(s->module_config);
543 void **new_space = (void **)apr_array_push(sconf->sec_url);
545 *new_space = url_config;
548 AP_CORE_DECLARE(void) ap_add_file_conf(apr_pool_t *p, core_dir_config *conf,
554 conf->sec_file = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
556 new_space = (void **)apr_array_push(conf->sec_file);
557 *new_space = url_config;
560 AP_CORE_DECLARE(const char *) ap_add_if_conf(apr_pool_t *p,
561 core_dir_config *conf,
565 core_dir_config *new = ap_get_module_config(if_config, &core_module);
568 conf->sec_if = apr_array_make(p, 2, sizeof(ap_conf_vector_t *));
570 if (new->condition_ifelse & AP_CONDITION_ELSE) {
572 if (conf->sec_if->nelts > 0) {
573 core_dir_config *last;
574 ap_conf_vector_t *lastelt = APR_ARRAY_IDX(conf->sec_if,
575 conf->sec_if->nelts - 1,
577 last = ap_get_module_config(lastelt, &core_module);
578 if (last->condition_ifelse & AP_CONDITION_IF)
582 return "<Else> or <ElseIf> section without previous <If> or "
583 "<ElseIf> section in same scope";
586 new_space = (void **)apr_array_push(conf->sec_if);
587 *new_space = if_config;
592 /* We need to do a stable sort, qsort isn't stable. So to make it stable
593 * we'll be maintaining the original index into the list, and using it
594 * as the minor key during sorting. The major key is the number of
595 * components (where the root component is zero).
597 struct reorder_sort_rec {
598 ap_conf_vector_t *elt;
602 static int reorder_sorter(const void *va, const void *vb)
604 const struct reorder_sort_rec *a = va;
605 const struct reorder_sort_rec *b = vb;
606 core_dir_config *core_a;
607 core_dir_config *core_b;
609 core_a = ap_get_core_module_config(a->elt);
610 core_b = ap_get_core_module_config(b->elt);
612 /* a regex always sorts after a non-regex
614 if (!core_a->r && core_b->r) {
617 else if (core_a->r && !core_b->r) {
621 /* we always sort next by the number of components
623 if (core_a->d_components < core_b->d_components) {
626 else if (core_a->d_components > core_b->d_components) {
630 /* They have the same number of components, we now have to compare
631 * the minor key to maintain the original order (from the config.)
633 return a->orig_index - b->orig_index;
636 void ap_core_reorder_directories(apr_pool_t *p, server_rec *s)
638 core_server_config *sconf;
639 apr_array_header_t *sec_dir;
640 struct reorder_sort_rec *sortbin;
642 ap_conf_vector_t **elts;
646 sconf = ap_get_core_module_config(s->module_config);
647 sec_dir = sconf->sec_dir;
648 nelts = sec_dir->nelts;
649 elts = (ap_conf_vector_t **)sec_dir->elts;
652 /* simple case of already being sorted... */
653 /* We're not checking this condition to be fast... we're checking
654 * it to avoid trying to palloc zero bytes, which can trigger some
655 * memory debuggers to barf
660 /* we have to allocate tmp space to do a stable sort */
661 apr_pool_create(&tmp, p);
662 sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin));
663 for (i = 0; i < nelts; ++i) {
664 sortbin[i].orig_index = i;
665 sortbin[i].elt = elts[i];
668 qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter);
670 /* and now copy back to the original array */
671 for (i = 0; i < nelts; ++i) {
672 elts[i] = sortbin[i].elt;
675 apr_pool_destroy(tmp);
678 /*****************************************************************
680 * There are some elements of the core config structures in which
681 * other modules have a legitimate interest (this is ugly, but necessary
682 * to preserve NCSA back-compatibility). So, we have a bunch of accessors
686 AP_DECLARE(int) ap_allow_options(request_rec *r)
688 core_dir_config *conf =
689 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
694 AP_DECLARE(int) ap_allow_overrides(request_rec *r)
696 core_dir_config *conf;
697 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
699 return conf->override;
703 * Optional function coming from mod_authn_core, used for
704 * retrieving the type of autorization
706 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_type) *authn_ap_auth_type;
708 AP_DECLARE(const char *) ap_auth_type(request_rec *r)
710 if (authn_ap_auth_type) {
711 return authn_ap_auth_type(r);
717 * Optional function coming from mod_authn_core, used for
718 * retrieving the authorization realm
720 static APR_OPTIONAL_FN_TYPE(authn_ap_auth_name) *authn_ap_auth_name;
722 AP_DECLARE(const char *) ap_auth_name(request_rec *r)
724 if (authn_ap_auth_name) {
725 return authn_ap_auth_name(r);
731 * Optional function coming from mod_access_compat, used to determine how
732 access control interacts with authentication/authorization
734 static APR_OPTIONAL_FN_TYPE(access_compat_ap_satisfies) *access_compat_ap_satisfies;
736 AP_DECLARE(int) ap_satisfies(request_rec *r)
738 if (access_compat_ap_satisfies) {
739 return access_compat_ap_satisfies(r);
741 return SATISFY_NOSPEC;
744 AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */
746 core_server_config *sconf;
747 core_request_config *rconf = ap_get_core_module_config(r->request_config);
748 if (rconf->document_root)
749 return rconf->document_root;
750 sconf = ap_get_core_module_config(r->server->module_config);
751 return sconf->ap_document_root;
754 AP_DECLARE(const char *) ap_context_prefix(request_rec *r)
756 core_request_config *conf = ap_get_core_module_config(r->request_config);
757 if (conf->context_prefix)
758 return conf->context_prefix;
763 AP_DECLARE(const char *) ap_context_document_root(request_rec *r)
765 core_request_config *conf = ap_get_core_module_config(r->request_config);
766 if (conf->context_document_root)
767 return conf->context_document_root;
769 return ap_document_root(r);
772 AP_DECLARE(void) ap_set_document_root(request_rec *r, const char *document_root)
774 core_request_config *conf = ap_get_core_module_config(r->request_config);
775 conf->document_root = document_root;
778 AP_DECLARE(void) ap_set_context_info(request_rec *r, const char *context_prefix,
779 const char *context_document_root)
781 core_request_config *conf = ap_get_core_module_config(r->request_config);
783 conf->context_prefix = context_prefix;
784 if (context_document_root)
785 conf->context_document_root = context_document_root;
788 /* Should probably just get rid of this... the only code that cares is
789 * part of the core anyway (and in fact, it isn't publicised to other
793 char *ap_response_code_string(request_rec *r, int error_index)
795 core_dir_config *dirconf;
796 core_request_config *reqconf = ap_get_core_module_config(r->request_config);
798 /* check for string registered via ap_custom_response() first */
799 if (reqconf->response_code_strings != NULL &&
800 reqconf->response_code_strings[error_index] != NULL) {
801 return reqconf->response_code_strings[error_index];
804 /* check for string specified via ErrorDocument */
805 dirconf = ap_get_core_module_config(r->per_dir_config);
807 if (dirconf->response_code_strings == NULL) {
811 if (dirconf->response_code_strings[error_index] == &errordocument_default) {
815 return dirconf->response_code_strings[error_index];
819 /* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
820 static APR_INLINE void do_double_reverse (conn_rec *conn)
825 if (conn->double_reverse) {
830 if (conn->remote_host == NULL || conn->remote_host[0] == '\0') {
831 /* single reverse failed, so don't bother */
832 conn->double_reverse = -1;
836 rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool);
837 if (rv == APR_SUCCESS) {
839 if (apr_sockaddr_equal(sa, conn->client_addr)) {
840 conn->double_reverse = 1;
848 conn->double_reverse = -1;
851 AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
852 int type, int *str_is_ip)
854 int hostname_lookups;
855 int ignored_str_is_ip;
857 if (!str_is_ip) { /* caller doesn't want to know */
858 str_is_ip = &ignored_str_is_ip;
862 /* If we haven't checked the host name, and we want to */
864 hostname_lookups = ((core_dir_config *)ap_get_core_module_config(dir_config))
867 if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) {
868 hostname_lookups = HOSTNAME_LOOKUP_OFF;
873 hostname_lookups = HOSTNAME_LOOKUP_OFF;
876 if (type != REMOTE_NOLOOKUP
877 && conn->remote_host == NULL
878 && (type == REMOTE_DOUBLE_REV
879 || hostname_lookups != HOSTNAME_LOOKUP_OFF)) {
881 if (apr_getnameinfo(&conn->remote_host, conn->client_addr, 0)
883 ap_str_tolower(conn->remote_host);
885 if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) {
886 do_double_reverse(conn);
887 if (conn->double_reverse != 1) {
888 conn->remote_host = NULL;
893 /* if failed, set it to the NULL string to indicate error */
894 if (conn->remote_host == NULL) {
895 conn->remote_host = "";
899 if (type == REMOTE_DOUBLE_REV) {
900 do_double_reverse(conn);
901 if (conn->double_reverse == -1) {
907 * Return the desired information; either the remote DNS name, if found,
908 * or either NULL (if the hostname was requested) or the IP address
909 * (if any identifier was requested).
911 if (conn->remote_host != NULL && conn->remote_host[0] != '\0') {
912 return conn->remote_host;
915 if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) {
920 return conn->client_ip;
926 * Optional function coming from mod_ident, used for looking up ident user
928 static APR_OPTIONAL_FN_TYPE(ap_ident_lookup) *ident_lookup;
930 AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r)
932 if (r->connection->remote_logname != NULL) {
933 return r->connection->remote_logname;
937 return ident_lookup(r);
943 /* There are two options regarding what the "name" of a server is. The
944 * "canonical" name as defined by ServerName and Port, or the "client's
945 * name" as supplied by a possible Host: header or full URI.
947 * The DNS option to UseCanonicalName causes this routine to do a
948 * reverse lookup on the local IP address of the connection and use
949 * that for the ServerName. This makes its value more reliable while
950 * at the same time allowing Demon's magic virtual hosting to work.
951 * The assumption is that DNS lookups are sufficiently quick...
954 AP_DECLARE(const char *) ap_get_server_name(request_rec *r)
956 conn_rec *conn = r->connection;
960 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
962 switch (d->use_canonical_name) {
963 case USE_CANONICAL_NAME_ON:
964 retval = r->server->server_hostname;
966 case USE_CANONICAL_NAME_DNS:
967 if (conn->local_host == NULL) {
968 if (apr_getnameinfo(&conn->local_host,
969 conn->local_addr, 0) != APR_SUCCESS)
970 conn->local_host = apr_pstrdup(conn->pool,
971 r->server->server_hostname);
973 ap_str_tolower(conn->local_host);
976 retval = conn->local_host;
978 case USE_CANONICAL_NAME_OFF:
979 case USE_CANONICAL_NAME_UNSET:
980 retval = r->hostname ? r->hostname : r->server->server_hostname;
983 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00109)
984 "ap_get_server_name: Invalid UCN Option somehow");
985 retval = "localhost";
992 * Get the current server name from the request for the purposes
993 * of using in a URL. If the server name is an IPv6 literal
994 * address, it will be returned in URL format (e.g., "[fe80::1]").
996 AP_DECLARE(const char *) ap_get_server_name_for_url(request_rec *r)
998 const char *plain_server_name = ap_get_server_name(r);
1001 if (ap_strchr_c(plain_server_name, ':')) { /* IPv6 literal? */
1002 return apr_pstrcat(r->pool, "[", plain_server_name, "]", NULL);
1005 return plain_server_name;
1008 AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r)
1011 core_dir_config *d =
1012 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1014 switch (d->use_canonical_name) {
1015 case USE_CANONICAL_NAME_OFF:
1016 case USE_CANONICAL_NAME_DNS:
1017 case USE_CANONICAL_NAME_UNSET:
1018 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1019 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1020 r->connection->local_addr->port ? r->connection->local_addr->port :
1021 r->server->port ? r->server->port :
1023 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1024 port = r->parsed_uri.port_str ? r->parsed_uri.port :
1025 r->server->port ? r->server->port :
1028 case USE_CANONICAL_NAME_ON:
1029 /* With UseCanonicalName on (and in all versions prior to 1.3)
1030 * Apache will use the hostname and port specified in the
1031 * ServerName directive to construct a canonical name for the
1032 * server. (If no port was specified in the ServerName
1033 * directive, Apache uses the port supplied by the client if
1034 * any is supplied, and finally the default port for the protocol
1037 if (d->use_canonical_phys_port == USE_CANONICAL_PHYS_PORT_ON)
1038 port = r->server->port ? r->server->port :
1039 r->connection->local_addr->port ? r->connection->local_addr->port :
1041 else /* USE_CANONICAL_PHYS_PORT_OFF or USE_CANONICAL_PHYS_PORT_UNSET */
1042 port = r->server->port ? r->server->port :
1046 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00110)
1047 "ap_get_server_port: Invalid UCN Option somehow");
1048 port = ap_default_port(r);
1055 AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri,
1058 unsigned port = ap_get_server_port(r);
1059 const char *host = ap_get_server_name_for_url(r);
1061 if (ap_is_default_port(port, r)) {
1062 return apr_pstrcat(p, ap_http_scheme(r), "://", host, uri, NULL);
1065 return apr_psprintf(p, "%s://%s:%u%s", ap_http_scheme(r), host, port, uri);
1068 AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r)
1070 core_dir_config *d =
1071 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
1073 if (d->limit_req_body == AP_LIMIT_REQ_BODY_UNSET) {
1074 return AP_DEFAULT_LIMIT_REQ_BODY;
1077 return d->limit_req_body;
1081 /*****************************************************************
1083 * Commands... this module handles almost all of the NCSA httpd.conf
1084 * commands, but most of the old srm.conf is in the the modules.
1088 /* returns a parent if it matches the given directive */
1089 static const ap_directive_t * find_parent(const ap_directive_t *dirp,
1092 while (dirp->parent != NULL) {
1093 dirp = dirp->parent;
1095 /* ### it would be nice to have atom-ized directives */
1096 if (strcasecmp(dirp->directive, what) == 0)
1103 AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd,
1106 const char *gt = (cmd->cmd->name[0] == '<'
1107 && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>')
1109 const ap_directive_t *found;
1111 if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
1112 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1113 " cannot occur within <VirtualHost> section", NULL);
1116 if ((forbidden & (NOT_IN_LIMIT | NOT_IN_DIR_LOC_FILE))
1117 && cmd->limited != -1) {
1118 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1119 " cannot occur within <Limit> or <LimitExcept> "
1123 if ((forbidden & NOT_IN_HTACCESS) && (cmd->pool == cmd->temp_pool)) {
1124 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1125 " cannot occur within htaccess files", NULL);
1128 if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE) {
1129 if (cmd->path != NULL) {
1130 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1131 " cannot occur within <Directory/Location/Files> "
1134 if (cmd->cmd->req_override & EXEC_ON_READ) {
1135 /* EXEC_ON_READ must be NOT_IN_DIR_LOC_FILE, if not, it will
1136 * (deliberately) segfault below in the individual tests...
1142 if (((forbidden & NOT_IN_DIRECTORY)
1143 && ((found = find_parent(cmd->directive, "<Directory"))
1144 || (found = find_parent(cmd->directive, "<DirectoryMatch"))))
1145 || ((forbidden & NOT_IN_LOCATION)
1146 && ((found = find_parent(cmd->directive, "<Location"))
1147 || (found = find_parent(cmd->directive, "<LocationMatch"))))
1148 || ((forbidden & NOT_IN_FILES)
1149 && ((found = find_parent(cmd->directive, "<Files"))
1150 || (found = find_parent(cmd->directive, "<FilesMatch"))
1151 || (found = find_parent(cmd->directive, "<If"))
1152 || (found = find_parent(cmd->directive, "<ElseIf"))
1153 || (found = find_parent(cmd->directive, "<Else"))))) {
1154 return apr_pstrcat(cmd->pool, cmd->cmd->name, gt,
1155 " cannot occur within ", found->directive,
1162 static const char *set_access_name(cmd_parms *cmd, void *dummy,
1165 void *sconf = cmd->server->module_config;
1166 core_server_config *conf = ap_get_core_module_config(sconf);
1168 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1173 conf->access_name = apr_pstrdup(cmd->pool, arg);
1177 AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
1179 # define SMALL_EXPANSION 5
1184 } *result, *current, sresult[SMALL_EXPANSION];
1186 const char *s, *e, *ep;
1190 s = ap_strchr_c(word, '$');
1195 /* well, actually something to do */
1196 ep = word + strlen(word);
1198 result = current = &(sresult[spc++]);
1199 current->next = NULL;
1200 current->string = word;
1201 current->len = s - word;
1202 outlen = current->len;
1205 /* prepare next entry */
1207 current->next = (spc < SMALL_EXPANSION)
1209 : (struct sll *)apr_palloc(p,
1210 sizeof(*current->next));
1211 current = current->next;
1212 current->next = NULL;
1217 if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
1218 char *name = apr_pstrndup(p, s+2, e-s-2);
1220 if (server_config_defined_vars)
1221 word = apr_table_get(server_config_defined_vars, name);
1223 word = getenv(name);
1225 current->string = word;
1226 current->len = strlen(word);
1227 outlen += current->len;
1230 if (ap_strchr(name, ':') == 0)
1231 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL, APLOGNO(00111)
1232 "Config variable ${%s} is not defined",
1234 current->string = s;
1235 current->len = e - s + 1;
1236 outlen += current->len;
1241 current->string = s++;
1248 s = ap_strchr_c(s, '$');
1249 current->string = word;
1250 current->len = s ? s - word : ep - word;
1251 outlen += current->len;
1255 /* assemble result */
1256 res_buf = cp = apr_palloc(p, outlen + 1);
1259 memcpy(cp, result->string, result->len);
1262 result = result->next;
1264 res_buf[outlen] = '\0';
1269 static int reset_config_defines(void *dummy)
1271 ap_server_config_defines = saved_server_config_defines;
1272 server_config_defined_vars = NULL;
1277 * Make sure we can revert the effects of Define/UnDefine when restarting.
1278 * This function must be called once per loading of the config, before
1279 * ap_server_config_defines is changed. This may be during reading of the
1280 * config, which is even before the pre_config hook is run (due to
1281 * EXEC_ON_READ for Define/UnDefine).
1283 static void init_config_defines(apr_pool_t *pconf)
1285 saved_server_config_defines = ap_server_config_defines;
1286 /* Use apr_array_copy instead of apr_array_copy_hdr because it does not
1287 * protect from the way unset_define removes entries.
1289 ap_server_config_defines = apr_array_copy(pconf, ap_server_config_defines);
1292 static const char *set_define(cmd_parms *cmd, void *dummy,
1293 const char *name, const char *value)
1295 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1298 if (ap_strchr_c(name, ':') != NULL)
1299 return "Variable name must not contain ':'";
1301 if (!saved_server_config_defines)
1302 init_config_defines(cmd->pool);
1303 if (!ap_exists_config_define(name)) {
1304 char **newv = (char **)apr_array_push(ap_server_config_defines);
1305 *newv = apr_pstrdup(cmd->pool, name);
1308 if (!server_config_defined_vars)
1309 server_config_defined_vars = apr_table_make(cmd->pool, 5);
1310 apr_table_setn(server_config_defined_vars, name, value);
1316 static const char *unset_define(cmd_parms *cmd, void *dummy,
1321 const char *err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS);
1324 if (ap_strchr_c(name, ':') != NULL)
1325 return "Variable name must not contain ':'";
1327 if (!saved_server_config_defines)
1328 init_config_defines(cmd->pool);
1330 defines = (char **)ap_server_config_defines->elts;
1331 for (i = 0; i < ap_server_config_defines->nelts; i++) {
1332 if (strcmp(defines[i], name) == 0) {
1333 defines[i] = apr_array_pop(ap_server_config_defines);
1338 if (server_config_defined_vars) {
1339 apr_table_unset(server_config_defined_vars, name);
1345 static const char *generate_error(cmd_parms *cmd, void *dummy,
1348 if (!arg || !*arg) {
1349 return "The Error directive was used with no message.";
1352 if (*arg == '"' || *arg == '\'') { /* strip off quotes */
1353 apr_size_t len = strlen(arg);
1354 char last = *(arg + len - 1);
1357 return apr_pstrndup(cmd->pool, arg + 1, len - 2);
1365 static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg)
1367 void *sconf = cmd->server->module_config;
1368 core_server_config *conf = ap_get_core_module_config(sconf);
1370 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1375 conf->gprof_dir = arg;
1380 static const char *set_add_default_charset(cmd_parms *cmd,
1381 void *d_, const char *arg)
1383 core_dir_config *d = d_;
1385 if (!strcasecmp(arg, "Off")) {
1386 d->add_default_charset = ADD_DEFAULT_CHARSET_OFF;
1388 else if (!strcasecmp(arg, "On")) {
1389 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1390 d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME;
1393 d->add_default_charset = ADD_DEFAULT_CHARSET_ON;
1394 d->add_default_charset_name = arg;
1400 static const char *set_document_root(cmd_parms *cmd, void *dummy,
1403 void *sconf = cmd->server->module_config;
1404 core_server_config *conf = ap_get_core_module_config(sconf);
1406 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
1411 /* When ap_document_root_check is false; skip all the stuff below */
1412 if (!ap_document_root_check) {
1413 conf->ap_document_root = arg;
1417 /* Make it absolute, relative to ServerRoot */
1418 arg = ap_server_root_relative(cmd->pool, arg);
1420 return "DocumentRoot must be a directory";
1423 /* TODO: ap_configtestonly */
1424 if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg,
1425 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS
1426 || !ap_is_directory(cmd->pool, arg)) {
1427 if (cmd->server->is_virtual) {
1428 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0,
1429 cmd->pool, APLOGNO(00112)
1430 "Warning: DocumentRoot [%s] does not exist",
1432 conf->ap_document_root = arg;
1435 return "DocumentRoot must be a directory";
1441 AP_DECLARE(void) ap_custom_response(request_rec *r, int status,
1444 core_request_config *conf = ap_get_core_module_config(r->request_config);
1447 if (conf->response_code_strings == NULL) {
1448 conf->response_code_strings =
1449 apr_pcalloc(r->pool,
1450 sizeof(*conf->response_code_strings) * RESPONSE_CODES);
1453 idx = ap_index_of_response(status);
1455 conf->response_code_strings[idx] =
1456 ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ?
1457 apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL);
1460 static const char *set_error_document(cmd_parms *cmd, void *conf_,
1461 const char *errno_str, const char *msg)
1463 core_dir_config *conf = conf_;
1464 int error_number, index_number, idx500;
1465 enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG;
1467 /* 1st parameter should be a 3 digit number, which we recognize;
1468 * convert it into an array index
1470 error_number = atoi(errno_str);
1471 idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR);
1473 if (error_number == HTTP_INTERNAL_SERVER_ERROR) {
1474 index_number = idx500;
1476 else if ((index_number = ap_index_of_response(error_number)) == idx500) {
1477 return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ",
1481 /* Heuristic to determine second argument. */
1482 if (ap_strchr_c(msg,' '))
1484 else if (msg[0] == '/')
1486 else if (ap_is_url(msg))
1491 /* The entry should be ignored if it is a full URL for a 401 error */
1493 if (error_number == 401 && what == REMOTE_PATH) {
1494 ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server, APLOGNO(00113)
1495 "cannot use a full URL in a 401 ErrorDocument "
1496 "directive --- ignoring!");
1498 else { /* Store it... */
1499 if (conf->response_code_strings == NULL) {
1500 conf->response_code_strings =
1501 apr_pcalloc(cmd->pool,
1502 sizeof(*conf->response_code_strings) *
1506 if (strcmp(msg, "default") == 0) {
1507 /* special case: ErrorDocument 404 default restores the
1508 * canned server error response
1510 conf->response_code_strings[index_number] = &errordocument_default;
1513 /* hack. Prefix a " if it is a msg; as that is what
1514 * http_protocol.c relies on to distinguish between
1515 * a msg and a (local) path.
1517 conf->response_code_strings[index_number] = (what == MSG) ?
1518 apr_pstrcat(cmd->pool, "\"", msg, NULL) :
1519 apr_pstrdup(cmd->pool, msg);
1526 static const char *set_allow_opts(cmd_parms *cmd, allow_options_t *opts,
1529 allow_options_t opt;
1532 char *w, *p = (char *) l;
1535 while ((w = apr_strtok(p, ",", &tok_state)) != NULL) {
1543 if (!strcasecmp(w, "Indexes")) {
1546 else if (!strcasecmp(w, "Includes")) {
1547 /* If Includes is permitted, both Includes and
1548 * IncludesNOEXEC may be changed. */
1549 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1551 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1554 else if (!strcasecmp(w, "FollowSymLinks")) {
1555 opt = OPT_SYM_LINKS;
1557 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1558 opt = OPT_SYM_OWNER;
1560 else if (!strcasecmp(w, "ExecCGI")) {
1563 else if (!strcasecmp(w, "MultiViews")) {
1566 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1567 opt = OPT_MULTI|OPT_EXECCGI;
1569 else if (!strcasecmp(w, "None")) {
1572 else if (!strcasecmp(w, "All")) {
1576 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1582 (*opts) &= (~OPT_UNSET);
1587 static const char *set_override(cmd_parms *cmd, void *d_, const char *l)
1589 core_dir_config *d = d_;
1594 /* Throw a warning if we're in <Location> or <Files> */
1595 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1596 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00114)
1597 "Useless use of AllowOverride in line %d of %s.",
1598 cmd->directive->line_num, cmd->directive->filename);
1600 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1603 d->override = OR_NONE;
1605 w = ap_getword_conf(cmd->temp_pool, &l);
1613 if (!strcasecmp(w, "Limit")) {
1614 d->override |= OR_LIMIT;
1616 else if (!strcasecmp(k, "Options")) {
1617 d->override |= OR_OPTIONS;
1619 set_allow_opts(cmd, &(d->override_opts), v);
1621 d->override_opts = OPT_ALL;
1623 else if (!strcasecmp(w, "FileInfo")) {
1624 d->override |= OR_FILEINFO;
1626 else if (!strcasecmp(w, "AuthConfig")) {
1627 d->override |= OR_AUTHCFG;
1629 else if (!strcasecmp(w, "Indexes")) {
1630 d->override |= OR_INDEXES;
1632 else if (!strcasecmp(w, "Nonfatal")) {
1633 if (!strcasecmp(v, "Override")) {
1634 d->override |= NONFATAL_OVERRIDE;
1636 else if (!strcasecmp(v, "Unknown")) {
1637 d->override |= NONFATAL_UNKNOWN;
1639 else if (!strcasecmp(v, "All")) {
1640 d->override |= NONFATAL_ALL;
1643 else if (!strcasecmp(w, "None")) {
1644 d->override = OR_NONE;
1646 else if (!strcasecmp(w, "All")) {
1647 d->override = OR_ALL;
1650 return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
1653 d->override &= ~OR_UNSET;
1659 static const char *set_override_list(cmd_parms *cmd, void *d_, int argc, char *const argv[])
1661 core_dir_config *d = d_;
1665 /* Throw a warning if we're in <Location> or <Files> */
1666 if (ap_check_cmd_context(cmd, NOT_IN_LOCATION | NOT_IN_FILES)) {
1667 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00115)
1668 "Useless use of AllowOverrideList at %s:%d",
1669 cmd->directive->filename, cmd->directive->line_num);
1671 if ((err = ap_check_cmd_context(cmd, NOT_IN_HTACCESS)) != NULL)
1674 d->override_list = apr_table_make(cmd->pool, argc);
1676 for (i=0;i<argc;i++){
1677 if (!strcasecmp(argv[i], "None")) {
1679 return "'None' not allowed with other directives in "
1680 "AllowOverrideList";
1685 const command_rec *result = NULL;
1686 module *mod = ap_top_module;
1687 result = ap_find_command_in_modules(argv[i], &mod);
1688 if (result == NULL) {
1689 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1690 APLOGNO(00116) "Discarding unrecognized "
1691 "directive `%s' in AllowOverrideList at %s:%d",
1692 argv[i], cmd->directive->filename,
1693 cmd->directive->line_num);
1696 else if ((result->req_override & (OR_ALL|ACCESS_CONF)) == 0) {
1697 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server,
1698 APLOGNO(02304) "Discarding directive `%s' not "
1699 "allowed in AllowOverrideList at %s:%d",
1700 argv[i], cmd->directive->filename,
1701 cmd->directive->line_num);
1705 apr_table_set(d->override_list, argv[i], "1");
1713 static const char *set_options(cmd_parms *cmd, void *d_, const char *l)
1715 core_dir_config *d = d_;
1716 allow_options_t opt;
1723 char *w = ap_getword_conf(cmd->temp_pool, &l);
1726 if (*w == '+' || *w == '-') {
1728 if (!merge && !first && !all_none) {
1729 return "Either all Options must start with + or -, or no Option may.";
1737 return "Either all Options must start with + or -, or no Option may.";
1740 if (!strcasecmp(w, "Indexes")) {
1743 else if (!strcasecmp(w, "Includes")) {
1744 opt = (OPT_INCLUDES | OPT_INC_WITH_EXEC);
1746 else if (!strcasecmp(w, "IncludesNOEXEC")) {
1749 else if (!strcasecmp(w, "FollowSymLinks")) {
1750 opt = OPT_SYM_LINKS;
1752 else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) {
1753 opt = OPT_SYM_OWNER;
1755 else if (!strcasecmp(w, "ExecCGI")) {
1758 else if (!strcasecmp(w, "MultiViews")) {
1761 else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */
1762 opt = OPT_MULTI|OPT_EXECCGI;
1764 else if (!strcasecmp(w, "None")) {
1766 return "'Options None' must be the first Option given.";
1768 else if (merge) { /* Only works since None may not follow any other option. */
1769 return "You may not use 'Options +None' or 'Options -None'.";
1774 else if (!strcasecmp(w, "All")) {
1776 return "'Options All' must be the first option given.";
1778 else if (merge) { /* Only works since All may not follow any other option. */
1779 return "You may not use 'Options +All' or 'Options -All'.";
1785 return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL);
1788 if ( (cmd->override_opts & opt) != opt ) {
1789 return apr_pstrcat(cmd->pool, "Option ", w, " not allowed here", NULL);
1791 else if (action == '-') {
1792 /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */
1793 d->opts_remove |= opt;
1794 d->opts_add &= ~opt;
1797 else if (action == '+') {
1799 d->opts_remove &= ~opt;
1812 static const char *set_default_type(cmd_parms *cmd, void *d_,
1815 if ((strcasecmp(arg, "off") != 0) && (strcasecmp(arg, "none") != 0)) {
1816 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, APLOGNO(00117)
1817 "Ignoring deprecated use of DefaultType in line %d of %s.",
1818 cmd->directive->line_num, cmd->directive->filename);
1825 * Note what data should be used when forming file ETag values.
1826 * It would be nicer to do this as an ITERATE, but then we couldn't
1827 * remember the +/- state properly.
1829 static const char *set_etag_bits(cmd_parms *cmd, void *mconfig,
1832 core_dir_config *cfg;
1833 etag_components_t bit;
1841 cfg = (core_dir_config *)mconfig;
1846 while (args[0] != '\0') {
1850 token = ap_getword_conf(cmd->temp_pool, &args);
1851 if ((*token == '+') || (*token == '-')) {
1857 * The occurrence of an absolute setting wipes
1858 * out any previous relative ones. The first such
1859 * occurrence forgets any inherited ones, too.
1862 cfg->etag_bits = ETAG_UNSET;
1863 cfg->etag_add = ETAG_UNSET;
1864 cfg->etag_remove = ETAG_UNSET;
1869 if (strcasecmp(token, "None") == 0) {
1870 if (action != '*') {
1874 cfg->etag_bits = bit = ETAG_NONE;
1878 else if (strcasecmp(token, "All") == 0) {
1879 if (action != '*') {
1884 cfg->etag_bits = bit = ETAG_ALL;
1887 else if (strcasecmp(token, "Size") == 0) {
1890 else if ((strcasecmp(token, "LMTime") == 0)
1891 || (strcasecmp(token, "MTime") == 0)
1892 || (strcasecmp(token, "LastModified") == 0)) {
1895 else if (strcasecmp(token, "INode") == 0) {
1899 return apr_pstrcat(cmd->pool, "Unknown keyword '",
1900 token, "' for ", cmd->cmd->name,
1901 " directive", NULL);
1905 return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '",
1906 token, "' cannot be used with '+' or '-'",
1910 if (action == '+') {
1912 * Make sure it's in the 'add' list and absent from the
1915 cfg->etag_add |= bit;
1916 cfg->etag_remove &= (~ bit);
1918 else if (action == '-') {
1919 cfg->etag_remove |= bit;
1920 cfg->etag_add &= (~ bit);
1924 * Non-relative values wipe out any + or - values
1925 * accumulated so far.
1927 cfg->etag_bits |= bit;
1928 cfg->etag_add = ETAG_UNSET;
1929 cfg->etag_remove = ETAG_UNSET;
1935 * Any setting at all will clear the 'None' and 'Unset' bits.
1938 if (cfg->etag_add != ETAG_UNSET) {
1939 cfg->etag_add &= (~ ETAG_UNSET);
1942 if (cfg->etag_remove != ETAG_UNSET) {
1943 cfg->etag_remove &= (~ ETAG_UNSET);
1947 cfg->etag_bits &= (~ ETAG_UNSET);
1949 if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) {
1950 cfg->etag_bits &= (~ ETAG_NONE);
1957 static const char *set_enable_mmap(cmd_parms *cmd, void *d_,
1960 core_dir_config *d = d_;
1962 if (strcasecmp(arg, "on") == 0) {
1963 d->enable_mmap = ENABLE_MMAP_ON;
1965 else if (strcasecmp(arg, "off") == 0) {
1966 d->enable_mmap = ENABLE_MMAP_OFF;
1969 return "parameter must be 'on' or 'off'";
1975 static const char *set_enable_sendfile(cmd_parms *cmd, void *d_,
1978 core_dir_config *d = d_;
1980 if (strcasecmp(arg, "on") == 0) {
1981 d->enable_sendfile = ENABLE_SENDFILE_ON;
1983 else if (strcasecmp(arg, "off") == 0) {
1984 d->enable_sendfile = ENABLE_SENDFILE_OFF;
1987 return "parameter must be 'on' or 'off'";
1995 * Report a missing-'>' syntax error.
1997 static char *unclosed_directive(cmd_parms *cmd)
1999 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2000 "> directive missing closing '>'", NULL);
2004 * Report a missing args in '<Foo >' syntax error.
2006 static char *missing_container_arg(cmd_parms *cmd)
2008 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2009 "> directive requires additional arguments", NULL);
2012 AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd,
2016 const char *endp = ap_strrchr_c(arg, '>');
2017 const char *limited_methods;
2018 void *tog = cmd->cmd->cmd_data;
2019 apr_int64_t limited = 0;
2020 apr_int64_t old_limited = cmd->limited;
2024 return unclosed_directive(cmd);
2027 limited_methods = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2029 if (!limited_methods[0]) {
2030 return missing_container_arg(cmd);
2033 while (limited_methods[0]) {
2034 char *method = ap_getword_conf(cmd->temp_pool, &limited_methods);
2037 /* check for builtin or module registered method number */
2038 methnum = ap_method_number_of(method);
2040 if (methnum == M_TRACE && !tog) {
2041 return "TRACE cannot be controlled by <Limit>, see TraceEnable";
2043 else if (methnum == M_INVALID) {
2044 /* method has not been registered yet, but resorce restriction
2045 * is always checked before method handling, so register it.
2047 methnum = ap_method_register(cmd->pool,
2048 apr_pstrdup(cmd->pool, method));
2051 limited |= (AP_METHOD_BIT << methnum);
2054 /* Killing two features with one function,
2055 * if (tog == NULL) <Limit>, else <LimitExcept>
2057 limited = tog ? ~limited : limited;
2059 if (!(old_limited & limited)) {
2060 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2061 "> directive excludes all methods", NULL);
2063 else if ((old_limited & limited) == old_limited) {
2064 return apr_pstrcat(cmd->pool, cmd->cmd->name,
2065 "> directive specifies methods already excluded",
2069 cmd->limited &= limited;
2071 errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context);
2073 cmd->limited = old_limited;
2078 /* XXX: Bogus - need to do this differently (at least OS2/Netware suffer
2079 * the same problem!!!
2080 * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that
2081 * people don't get bitten by wrong-cased regex matches
2085 #define USE_ICASE AP_REG_ICASE
2090 static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg)
2093 const char *endp = ap_strrchr_c(arg, '>');
2094 int old_overrides = cmd->override;
2095 char *old_path = cmd->path;
2096 core_dir_config *conf;
2097 ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool);
2098 ap_regex_t *r = NULL;
2099 const command_rec *thiscmd = cmd->cmd;
2101 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2107 return unclosed_directive(cmd);
2110 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2113 return missing_container_arg(cmd);
2116 cmd->path = ap_getword_conf(cmd->pool, &arg);
2117 cmd->override = OR_ALL|ACCESS_CONF;
2119 if (!strcmp(cmd->path, "~")) {
2120 cmd->path = ap_getword_conf(cmd->pool, &arg);
2122 return "<Directory ~ > block must specify a path";
2123 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2125 return "Regex could not be compiled";
2128 else if (thiscmd->cmd_data) { /* <DirectoryMatch> */
2129 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2131 return "Regex could not be compiled";
2134 else if (!strcmp(cmd->path, "/") == 0)
2139 * Ensure that the pathname is canonical, and append the trailing /
2141 apr_status_t rv = apr_filepath_merge(&newpath, NULL, cmd->path,
2142 APR_FILEPATH_TRUENAME, cmd->pool);
2143 if (rv != APR_SUCCESS && rv != APR_EPATHWILD) {
2144 return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path,
2145 "\"> path is invalid.", NULL);
2148 cmd->path = newpath;
2149 if (cmd->path[strlen(cmd->path) - 1] != '/')
2150 cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL);
2153 /* initialize our config and fetch it */
2154 conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path,
2155 &core_module, cmd->pool);
2157 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf);
2162 conf->d = cmd->path;
2163 conf->d_is_fnmatch = (apr_fnmatch_test(conf->d) != 0);
2165 /* Make this explicit - the "/" root has 0 elements, that is, we
2166 * will always merge it, and it will always sort and merge first.
2167 * All others are sorted and tested by the number of slashes.
2169 if (strcmp(conf->d, "/") == 0)
2170 conf->d_components = 0;
2172 conf->d_components = ap_count_dirs(conf->d);
2174 ap_add_per_dir_conf(cmd->server, new_dir_conf);
2177 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2178 "> arguments not (yet) supported.", NULL);
2181 cmd->path = old_path;
2182 cmd->override = old_overrides;
2187 static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg)
2190 const char *endp = ap_strrchr_c(arg, '>');
2191 int old_overrides = cmd->override;
2192 char *old_path = cmd->path;
2193 core_dir_config *conf;
2194 ap_regex_t *r = NULL;
2195 const command_rec *thiscmd = cmd->cmd;
2196 ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool);
2197 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2203 return unclosed_directive(cmd);
2206 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2209 return missing_container_arg(cmd);
2212 cmd->path = ap_getword_conf(cmd->pool, &arg);
2213 cmd->override = OR_ALL|ACCESS_CONF;
2215 if (thiscmd->cmd_data) { /* <LocationMatch> */
2216 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2218 return "Regex could not be compiled";
2221 else if (!strcmp(cmd->path, "~")) {
2222 cmd->path = ap_getword_conf(cmd->pool, &arg);
2223 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED);
2225 return "Regex could not be compiled";
2229 /* initialize our config and fetch it */
2230 conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path,
2231 &core_module, cmd->pool);
2233 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf);
2237 conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
2238 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2241 ap_add_per_url_conf(cmd->server, new_url_conf);
2244 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2245 "> arguments not (yet) supported.", NULL);
2248 cmd->path = old_path;
2249 cmd->override = old_overrides;
2254 static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg)
2257 const char *endp = ap_strrchr_c(arg, '>');
2258 int old_overrides = cmd->override;
2259 char *old_path = cmd->path;
2260 core_dir_config *conf;
2261 ap_regex_t *r = NULL;
2262 const command_rec *thiscmd = cmd->cmd;
2263 ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool);
2264 const char *err = ap_check_cmd_context(cmd,
2265 NOT_IN_LOCATION | NOT_IN_LIMIT);
2272 return unclosed_directive(cmd);
2275 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2278 return missing_container_arg(cmd);
2281 cmd->path = ap_getword_conf(cmd->pool, &arg);
2282 /* Only if not an .htaccess file */
2284 cmd->override = OR_ALL|ACCESS_CONF;
2287 if (thiscmd->cmd_data) { /* <FilesMatch> */
2288 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2290 return "Regex could not be compiled";
2293 else if (!strcmp(cmd->path, "~")) {
2294 cmd->path = ap_getword_conf(cmd->pool, &arg);
2295 r = ap_pregcomp(cmd->pool, cmd->path, AP_REG_EXTENDED|USE_ICASE);
2297 return "Regex could not be compiled";
2302 /* Ensure that the pathname is canonical, but we
2303 * can't test the case/aliases without a fixed path */
2304 if (apr_filepath_merge(&newpath, "", cmd->path,
2305 0, cmd->pool) != APR_SUCCESS)
2306 return apr_pstrcat(cmd->pool, "<Files \"", cmd->path,
2307 "\"> is invalid.", NULL);
2308 cmd->path = newpath;
2311 /* initialize our config and fetch it */
2312 conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path,
2313 &core_module, cmd->pool);
2315 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf);
2319 conf->d = cmd->path;
2320 conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0;
2323 ap_add_file_conf(cmd->pool, (core_dir_config *)mconfig, new_file_conf);
2326 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2327 "> arguments not (yet) supported.", NULL);
2330 cmd->path = old_path;
2331 cmd->override = old_overrides;
2336 #define COND_IF ((void *)1)
2337 #define COND_ELSE ((void *)2)
2338 #define COND_ELSEIF ((void *)3)
2340 static const char *ifsection(cmd_parms *cmd, void *mconfig, const char *arg)
2343 const char *endp = ap_strrchr_c(arg, '>');
2344 int old_overrides = cmd->override;
2345 char *old_path = cmd->path;
2346 core_dir_config *conf;
2347 const command_rec *thiscmd = cmd->cmd;
2348 ap_conf_vector_t *new_if_conf = ap_create_per_dir_config(cmd->pool);
2349 const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
2350 const char *condition;
2351 const char *expr_err;
2358 return unclosed_directive(cmd);
2361 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2364 * Set a dummy value so that other directives notice that they are inside
2368 /* Only if not an .htaccess file */
2370 cmd->override = OR_ALL|ACCESS_CONF;
2373 /* initialize our config and fetch it */
2374 conf = ap_set_config_vectors(cmd->server, new_if_conf, cmd->path,
2375 &core_module, cmd->pool);
2377 if (cmd->cmd->cmd_data == COND_IF)
2378 conf->condition_ifelse = AP_CONDITION_IF;
2379 else if (cmd->cmd->cmd_data == COND_ELSEIF)
2380 conf->condition_ifelse = AP_CONDITION_ELSEIF;
2381 else if (cmd->cmd->cmd_data == COND_ELSE)
2382 conf->condition_ifelse = AP_CONDITION_ELSE;
2386 if (conf->condition_ifelse == AP_CONDITION_ELSE) {
2388 return "<Else> does not take an argument";
2392 return missing_container_arg(cmd);
2393 condition = ap_getword_conf(cmd->pool, &arg);
2394 conf->condition = ap_expr_parse_cmd(cmd, condition, 0, &expr_err, NULL);
2396 return apr_psprintf(cmd->pool, "Cannot parse condition clause: %s",
2400 errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_if_conf);
2404 conf->d = cmd->path;
2405 conf->d_is_fnmatch = 0;
2408 errmsg = ap_add_if_conf(cmd->pool, (core_dir_config *)mconfig, new_if_conf);
2413 return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
2414 "> arguments not supported.", NULL);
2417 cmd->path = old_path;
2418 cmd->override = old_overrides;
2423 static module *find_module(server_rec *s, const char *name)
2425 module *found = ap_find_linked_module(name);
2427 /* search prelinked stuff */
2429 ap_module_symbol_t *current = ap_prelinked_module_symbols;
2431 for (; current->name; ++current) {
2432 if (!strcmp(current->name, name)) {
2433 found = current->modp;
2439 /* search dynamic stuff */
2441 APR_OPTIONAL_FN_TYPE(ap_find_loaded_module_symbol) *check_symbol =
2442 APR_RETRIEVE_OPTIONAL_FN(ap_find_loaded_module_symbol);
2446 * There are two phases where calling ap_find_loaded_module_symbol
2449 * During reading of the config, ap_server_conf is invalid but s
2450 * points to the main server config, if passed from cmd->server
2451 * of an EXEC_ON_READ directive.
2453 * During config parsing, s may be a virtual host that would cause
2454 * a segfault in mod_so if passed to ap_find_loaded_module_symbol,
2455 * because mod_so's server config for vhosts is initialized later.
2456 * But ap_server_conf is already set at this time.
2458 * Therefore we use s if it is not virtual and ap_server_conf if
2461 found = check_symbol(s->is_virtual ? ap_server_conf : s, name);
2469 static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg)
2471 const char *endp = ap_strrchr_c(arg, '>');
2472 int not = (arg[0] == '!');
2476 return unclosed_directive(cmd);
2479 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2486 return missing_container_arg(cmd);
2489 found = find_module(cmd->server, arg);
2491 if ((!not && found) || (not && !found)) {
2492 ap_directive_t *parent = NULL;
2493 ap_directive_t *current = NULL;
2496 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2497 ¤t, &parent, "<IfModule");
2498 *(ap_directive_t **)mconfig = current;
2502 *(ap_directive_t **)mconfig = NULL;
2503 return ap_soak_end_container(cmd, "<IfModule");
2507 AP_DECLARE(int) ap_exists_config_define(const char *name)
2512 defines = (char **)ap_server_config_defines->elts;
2513 for (i = 0; i < ap_server_config_defines->nelts; i++) {
2514 if (strcmp(defines[i], name) == 0) {
2522 static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg)
2528 endp = ap_strrchr_c(arg, '>');
2530 return unclosed_directive(cmd);
2533 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2535 if (arg[0] == '!') {
2541 return missing_container_arg(cmd);
2544 defined = ap_exists_config_define(arg);
2545 if ((!not && defined) || (not && !defined)) {
2546 ap_directive_t *parent = NULL;
2547 ap_directive_t *current = NULL;
2550 retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd,
2551 ¤t, &parent, "<IfDefine");
2552 *(ap_directive_t **)dummy = current;
2556 *(ap_directive_t **)dummy = NULL;
2557 return ap_soak_end_container(cmd, "<IfDefine");
2561 /* httpd.conf commands... beginning with the <VirtualHost> business */
2563 static const char *virtualhost_section(cmd_parms *cmd, void *dummy,
2566 server_rec *main_server = cmd->server, *s;
2568 const char *endp = ap_strrchr_c(arg, '>');
2569 apr_pool_t *p = cmd->pool;
2571 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2577 return unclosed_directive(cmd);
2580 arg = apr_pstrndup(cmd->temp_pool, arg, endp - arg);
2583 return missing_container_arg(cmd);
2586 /* FIXME: There's another feature waiting to happen here -- since you
2587 can now put multiple addresses/names on a single <VirtualHost>
2588 you might want to use it to group common definitions and then
2589 define other "subhosts" with their individual differences. But
2590 personally I'd rather just do it with a macro preprocessor. -djg */
2591 if (main_server->is_virtual) {
2592 return "<VirtualHost> doesn't nest!";
2595 errmsg = ap_init_virtual_host(p, arg, main_server, &s);
2600 s->next = main_server->next;
2601 main_server->next = s;
2603 s->defn_name = cmd->directive->filename;
2604 s->defn_line_number = cmd->directive->line_num;
2608 errmsg = ap_walk_config(cmd->directive->first_child, cmd,
2609 s->lookup_defaults);
2611 cmd->server = main_server;
2616 static const char *set_server_alias(cmd_parms *cmd, void *dummy,
2619 if (!cmd->server->names) {
2620 return "ServerAlias only used in <VirtualHost>";
2624 char **item, *name = ap_getword_conf(cmd->pool, &arg);
2626 if (ap_is_matchexp(name)) {
2627 item = (char **)apr_array_push(cmd->server->wild_names);
2630 item = (char **)apr_array_push(cmd->server->names);
2639 static const char *set_accf_map(cmd_parms *cmd, void *dummy,
2640 const char *iproto, const char* iaccf)
2642 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2643 core_server_config *conf =
2644 ap_get_core_module_config(cmd->server->module_config);
2651 proto = apr_pstrdup(cmd->pool, iproto);
2652 ap_str_tolower(proto);
2653 accf = apr_pstrdup(cmd->pool, iaccf);
2654 ap_str_tolower(accf);
2655 apr_table_setn(conf->accf_map, proto, accf);
2660 AP_DECLARE(const char*) ap_get_server_protocol(server_rec* s)
2662 core_server_config *conf = ap_get_core_module_config(s->module_config);
2663 return conf->protocol;
2666 AP_DECLARE(void) ap_set_server_protocol(server_rec* s, const char* proto)
2668 core_server_config *conf = ap_get_core_module_config(s->module_config);
2669 conf->protocol = proto;
2672 static const char *set_protocol(cmd_parms *cmd, void *dummy,
2675 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2676 core_server_config *conf =
2677 ap_get_core_module_config(cmd->server->module_config);
2684 proto = apr_pstrdup(cmd->pool, arg);
2685 ap_str_tolower(proto);
2686 conf->protocol = proto;
2691 static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
2694 /* This one's pretty generic... */
2696 int offset = (int)(long)cmd->info;
2697 char *struct_ptr = (char *)cmd->server;
2699 const char *err = ap_check_cmd_context(cmd,
2700 NOT_IN_DIR_LOC_FILE);
2705 *(const char **)(struct_ptr + offset) = arg;
2710 * The ServerName directive takes one argument with format
2711 * [scheme://]fully-qualified-domain-name[:port], for instance
2712 * ServerName www.example.com
2713 * ServerName www.example.com:80
2714 * ServerName https://www.example.com:443
2717 static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg)
2719 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2720 const char *portstr, *part;
2728 if (apr_fnmatch_test(arg))
2729 return apr_pstrcat(cmd->temp_pool, "Invalid ServerName \"", arg,
2730 "\" use ServerAlias to set multiple server names.", NULL);
2732 part = ap_strstr_c(arg, "://");
2735 scheme = apr_pstrndup(cmd->pool, arg, part - arg);
2736 ap_str_tolower(scheme);
2737 cmd->server->server_scheme = (const char *)scheme;
2743 portstr = ap_strchr_c(part, ':');
2745 cmd->server->server_hostname = apr_pstrndup(cmd->pool, part,
2748 port = atoi(portstr);
2749 if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
2750 return apr_pstrcat(cmd->temp_pool, "The port number \"", arg,
2751 "\" is outside the appropriate range "
2752 "(i.e., 1..65535).", NULL);
2756 cmd->server->server_hostname = apr_pstrdup(cmd->pool, part);
2760 cmd->server->port = port;
2764 static const char *set_signature_flag(cmd_parms *cmd, void *d_,
2767 core_dir_config *d = d_;
2769 if (strcasecmp(arg, "On") == 0) {
2770 d->server_signature = srv_sig_on;
2772 else if (strcasecmp(arg, "Off") == 0) {
2773 d->server_signature = srv_sig_off;
2775 else if (strcasecmp(arg, "EMail") == 0) {
2776 d->server_signature = srv_sig_withmail;
2779 return "ServerSignature: use one of: off | on | email";
2785 static const char *set_server_root(cmd_parms *cmd, void *dummy,
2788 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2794 if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg,
2795 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2796 || !ap_is_directory(cmd->temp_pool, ap_server_root)) {
2797 return "ServerRoot must be a valid directory";
2803 static const char *set_runtime_dir(cmd_parms *cmd, void *dummy, const char *arg)
2805 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
2811 if ((apr_filepath_merge((char**)&ap_runtime_dir, NULL,
2812 ap_server_root_relative(cmd->pool, arg),
2813 APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)
2814 || !ap_is_directory(cmd->temp_pool, ap_runtime_dir)) {
2815 return "DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot";
2821 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)
2823 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2829 cmd->server->timeout = apr_time_from_sec(atoi(arg));
2833 static const char *set_allow2f(cmd_parms *cmd, void *d_, const char *arg)
2835 core_dir_config *d = d_;
2837 if (0 == strcasecmp(arg, "on")) {
2838 d->allow_encoded_slashes = 1;
2839 d->decode_encoded_slashes = 1; /* for compatibility with 2.0 & 2.2 */
2840 } else if (0 == strcasecmp(arg, "off")) {
2841 d->allow_encoded_slashes = 0;
2842 d->decode_encoded_slashes = 0;
2843 } else if (0 == strcasecmp(arg, "nodecode")) {
2844 d->allow_encoded_slashes = 1;
2845 d->decode_encoded_slashes = 0;
2847 return apr_pstrcat(cmd->pool,
2848 cmd->cmd->name, " must be On, Off, or NoDecode",
2854 static const char *set_hostname_lookups(cmd_parms *cmd, void *d_,
2857 core_dir_config *d = d_;
2859 if (!strcasecmp(arg, "on")) {
2860 d->hostname_lookups = HOSTNAME_LOOKUP_ON;
2862 else if (!strcasecmp(arg, "off")) {
2863 d->hostname_lookups = HOSTNAME_LOOKUP_OFF;
2865 else if (!strcasecmp(arg, "double")) {
2866 d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE;
2869 return "parameter must be 'on', 'off', or 'double'";
2875 static const char *set_serverpath(cmd_parms *cmd, void *dummy,
2878 const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE);
2884 cmd->server->path = arg;
2885 cmd->server->pathlen = (int)strlen(arg);
2889 static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg)
2891 core_dir_config *d = d_;
2893 d->content_md5 = arg ? AP_CONTENT_MD5_ON : AP_CONTENT_MD5_OFF;
2897 static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg)
2899 core_dir_config *d = d_;
2901 if (strcasecmp(arg, "on") == 0) {
2902 d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO;
2904 else if (strcasecmp(arg, "off") == 0) {
2905 d->accept_path_info = AP_REQ_REJECT_PATH_INFO;
2907 else if (strcasecmp(arg, "default") == 0) {
2908 d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO;
2911 return "AcceptPathInfo must be set to on, off or default";
2917 static const char *set_use_canonical_name(cmd_parms *cmd, void *d_,
2920 core_dir_config *d = d_;
2922 if (strcasecmp(arg, "on") == 0) {
2923 d->use_canonical_name = USE_CANONICAL_NAME_ON;
2925 else if (strcasecmp(arg, "off") == 0) {
2926 d->use_canonical_name = USE_CANONICAL_NAME_OFF;
2928 else if (strcasecmp(arg, "dns") == 0) {
2929 d->use_canonical_name = USE_CANONICAL_NAME_DNS;
2932 return "parameter must be 'on', 'off', or 'dns'";
2938 static const char *set_use_canonical_phys_port(cmd_parms *cmd, void *d_,
2941 core_dir_config *d = d_;
2943 if (strcasecmp(arg, "on") == 0) {
2944 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_ON;
2946 else if (strcasecmp(arg, "off") == 0) {
2947 d->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_OFF;
2950 return "parameter must be 'on' or 'off'";
2956 static const char *include_config (cmd_parms *cmd, void *dummy,
2959 ap_directive_t *conftree = NULL;
2960 const char *conffile, *error;
2961 unsigned *recursion;
2962 int optional = cmd->cmd->cmd_data ? 1 : 0;
2965 apr_pool_userdata_get(&data, "ap_include_sentinel", cmd->pool);
2970 data = recursion = apr_palloc(cmd->pool, sizeof(*recursion));
2972 apr_pool_userdata_setn(data, "ap_include_sentinel", NULL, cmd->pool);
2975 if (++*recursion > AP_MAX_INCLUDE_DEPTH) {
2977 return apr_psprintf(cmd->pool, "Exceeded maximum include depth of %u, "
2978 "There appears to be a recursion.",
2979 AP_MAX_INCLUDE_DEPTH);
2982 conffile = ap_server_root_relative(cmd->pool, name);
2985 return apr_pstrcat(cmd->pool, "Invalid Include path ",
2989 error = ap_process_fnmatch_configs(cmd->server, conffile, &conftree,
2990 cmd->pool, cmd->temp_pool,
2997 *(ap_directive_t **)dummy = conftree;
2999 /* recursion level done */
3007 static const char *set_loglevel(cmd_parms *cmd, void *config_, const char *arg_)
3012 char *arg = apr_pstrdup(cmd->temp_pool, arg_);
3013 struct ap_logconf *log;
3017 core_dir_config *dconf = config_;
3019 dconf->log = ap_new_log_config(cmd->pool, NULL);
3024 log = &cmd->server->log;
3028 return "LogLevel requires level keyword or module loglevel specifier";
3030 level_str = ap_strrchr(arg, ':');
3032 if (level_str == NULL) {
3033 err = ap_parse_log_level(arg, &log->level);
3036 ap_reset_module_loglevels(log, APLOG_NO_MODULE);
3037 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3038 "Setting LogLevel for all modules to %s", arg);
3042 *level_str++ = '\0';
3044 return apr_psprintf(cmd->temp_pool, "Module specifier '%s' must be "
3045 "followed by a log level keyword", arg);
3048 err = ap_parse_log_level(level_str, &level);
3050 return apr_psprintf(cmd->temp_pool, "%s:%s: %s", arg, level_str, err);
3052 if ((module = find_module(cmd->server, arg)) == NULL) {
3053 char *name = apr_psprintf(cmd->temp_pool, "%s_module", arg);
3054 ap_log_error(APLOG_MARK, APLOG_TRACE6, 0, cmd->server,
3055 "Cannot find module '%s', trying '%s'", arg, name);
3056 module = find_module(cmd->server, name);
3059 if (module == NULL) {
3060 return apr_psprintf(cmd->temp_pool, "Cannot find module %s", arg);
3063 ap_set_module_loglevel(cmd->pool, log, module->module_index, level);
3064 ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, cmd->server,
3065 "Setting LogLevel for module %s to %s", module->name,
3071 AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r)
3074 core_dir_config *conf;
3076 conf = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
3077 if ((conf->server_signature == srv_sig_off)
3078 || (conf->server_signature == srv_sig_unset)) {
3082 apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
3084 if (conf->server_signature == srv_sig_withmail) {
3085 return apr_pstrcat(r->pool, prefix, "<address>",
3086 ap_get_server_banner(),
3087 " Server at <a href=\"",
3088 ap_is_url(r->server->server_admin) ? "" : "mailto:",
3089 ap_escape_html(r->pool, r->server->server_admin),
3091 ap_escape_html(r->pool, ap_get_server_name(r)),
3092 "</a> Port ", sport,
3093 "</address>\n", NULL);
3096 return apr_pstrcat(r->pool, prefix, "<address>", ap_get_server_banner(),
3098 ap_escape_html(r->pool, ap_get_server_name(r)),
3100 "</address>\n", NULL);
3104 * Handle a request to include the server's OS platform in the Server
3105 * response header field (the ServerTokens directive). Unfortunately
3106 * this requires a new global in order to communicate the setting back to
3107 * http_main so it can insert the information in the right place in the
3111 static char *server_banner = NULL;
3112 static int banner_locked = 0;
3113 static const char *server_description = NULL;
3115 enum server_token_type {
3116 SrvTk_MAJOR, /* eg: Apache/2 */
3117 SrvTk_MINOR, /* eg. Apache/2.0 */
3118 SrvTk_MINIMAL, /* eg: Apache/2.0.41 */
3119 SrvTk_OS, /* eg: Apache/2.0.41 (UNIX) */
3120 SrvTk_FULL, /* eg: Apache/2.0.41 (UNIX) PHP/4.2.2 FooBar/1.2b */
3121 SrvTk_PRODUCT_ONLY /* eg: Apache */
3123 static enum server_token_type ap_server_tokens = SrvTk_FULL;
3125 static apr_status_t reset_banner(void *dummy)
3128 ap_server_tokens = SrvTk_FULL;
3129 server_banner = NULL;
3130 server_description = NULL;
3134 AP_DECLARE(void) ap_get_server_revision(ap_version_t *version)
3136 version->major = AP_SERVER_MAJORVERSION_NUMBER;
3137 version->minor = AP_SERVER_MINORVERSION_NUMBER;
3138 version->patch = AP_SERVER_PATCHLEVEL_NUMBER;
3139 version->add_string = AP_SERVER_ADD_STRING;
3142 AP_DECLARE(const char *) ap_get_server_description(void)
3144 return server_description ? server_description :
3145 AP_SERVER_BASEVERSION " (" PLATFORM ")";
3148 AP_DECLARE(const char *) ap_get_server_banner(void)
3150 return server_banner ? server_banner : AP_SERVER_BASEVERSION;
3153 AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component)
3155 if (! banner_locked) {
3157 * If the version string is null, register our cleanup to reset the
3158 * pointer on pool destruction. We also know that, if NULL,
3159 * we are adding the original SERVER_BASEVERSION string.
3161 if (server_banner == NULL) {
3162 apr_pool_cleanup_register(pconf, NULL, reset_banner,
3163 apr_pool_cleanup_null);
3164 server_banner = apr_pstrdup(pconf, component);
3168 * Tack the given component identifier to the end of
3169 * the existing string.
3171 server_banner = apr_pstrcat(pconf, server_banner, " ",
3175 server_description = apr_pstrcat(pconf, server_description, " ",
3180 * This routine adds the real server base identity to the banner string,
3181 * and then locks out changes until the next reconfig.
3183 static void set_banner(apr_pool_t *pconf)
3185 if (ap_server_tokens == SrvTk_PRODUCT_ONLY) {
3186 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT);
3188 else if (ap_server_tokens == SrvTk_MINIMAL) {
3189 ap_add_version_component(pconf, AP_SERVER_BASEVERSION);
3191 else if (ap_server_tokens == SrvTk_MINOR) {
3192 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MINORREVISION);
3194 else if (ap_server_tokens == SrvTk_MAJOR) {
3195 ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MAJORVERSION);
3198 ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")");
3202 * Lock the server_banner string if we're not displaying
3203 * the full set of tokens
3205 if (ap_server_tokens != SrvTk_FULL) {
3208 server_description = AP_SERVER_BASEVERSION " (" PLATFORM ")";
3211 static const char *set_serv_tokens(cmd_parms *cmd, void *dummy,
3212 const char *arg1, const char *arg2)
3214 const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
3220 if (!strcasecmp(arg1, "OS")) {
3221 ap_server_tokens = SrvTk_OS;
3223 else if (!strcasecmp(arg1, "Min") || !strcasecmp(arg1, "Minimal")) {
3224 ap_server_tokens = SrvTk_MINIMAL;
3226 else if (!strcasecmp(arg1, "Major")) {
3227 ap_server_tokens = SrvTk_MAJOR;
3229 else if (!strcasecmp(arg1, "Minor") ) {
3230 ap_server_tokens = SrvTk_MINOR;
3232 else if (!strcasecmp(arg1, "Prod") || !strcasecmp(arg1, "ProductOnly")) {
3233 ap_server_tokens = SrvTk_PRODUCT_ONLY;
3236 ap_server_tokens = SrvTk_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 const char *set_http_protocol(cmd_parms *cmd, void *dummy,
3620 core_server_config *conf =
3621 ap_get_core_module_config(cmd->server->module_config);
3623 if (strcmp(arg1, "+0.9") == 0) {
3624 conf->http09_enable = AP_HTTP09_ENABLE;
3626 else if (strcmp(arg1, "-0.9") == 0) {
3627 conf->http09_enable = AP_HTTP09_DISABLE;
3630 return "HttpProtocol must be one of '+0.9' and '-0.9'";
3636 static apr_hash_t *errorlog_hash;
3638 static int log_constant_item(const ap_errorlog_info *info, const char *arg,
3639 char *buf, int buflen)
3641 char *end = apr_cpystrn(buf, arg, buflen);
3645 static char *parse_errorlog_misc_string(apr_pool_t *p,
3646 ap_errorlog_format_item *it,
3650 char scratch[MAX_STRING_LEN];
3653 * non-leading white space terminates this string to allow the next field
3654 * separator to be inserted
3658 it->func = log_constant_item;
3661 while (*s && *s != '%' && (*s != ' ' || at_start) && d < scratch + MAX_STRING_LEN) {
3684 /* handle end of string */
3688 /* copy next char verbatim */
3695 it->arg = apr_pstrdup(p, scratch);
3701 static char *parse_errorlog_item(apr_pool_t *p, ap_errorlog_format_item *it,
3704 const char *s = *sa;
3705 ap_errorlog_handler *handler;
3710 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3712 return parse_errorlog_misc_string(p, it, sa);
3718 /* percent-space (% ) is a field separator */
3719 it->flags |= AP_ERRORLOG_FLAG_FIELD_SEP;
3722 return parse_errorlog_item(p, it, sa);
3724 else if (*s == '%') {
3726 it->func = log_constant_item;
3735 it->arg = ap_getword(p, &s, '}');
3739 it->flags |= AP_ERRORLOG_FLAG_REQUIRED;
3743 it->flags |= AP_ERRORLOG_FLAG_NULL_AS_HYPHEN;
3756 while (apr_isdigit(*++s))
3757 i = i * 10 + (*s) - '0';
3758 it->min_loglevel = i;
3762 it->flags |= AP_ERRORLOG_FLAG_MESSAGE;
3766 handler = (ap_errorlog_handler *)apr_hash_get(errorlog_hash, s, 1);
3772 return apr_pstrcat(p, "Unrecognized error log format directive %",
3775 it->func = handler->func;
3781 return "Ran off end of error log format parsing args to some directive";
3784 static apr_array_header_t *parse_errorlog_string(apr_pool_t *p,
3789 apr_array_header_t *a = apr_array_make(p, 30,
3790 sizeof(ap_errorlog_format_item));
3792 int seen_msg_fmt = 0;
3795 ap_errorlog_format_item *item =
3796 (ap_errorlog_format_item *)apr_array_push(a);
3797 memset(item, 0, sizeof(*item));
3798 res = parse_errorlog_item(p, item, &s);
3803 if (item->flags & AP_ERRORLOG_FLAG_MESSAGE) {
3805 *err = "%M cannot be used in once-per-request or "
3806 "once-per-connection formats";
3811 if (is_main_fmt && item->flags & AP_ERRORLOG_FLAG_REQUIRED) {
3812 *err = "The '+' flag cannot be used in the main error log format";
3815 if (!is_main_fmt && item->min_loglevel) {
3816 *err = "The loglevel cannot be used as a condition in "
3817 "once-per-request or once-per-connection formats";
3820 if (item->min_loglevel > APLOG_TRACE8) {
3821 *err = "The specified loglevel modifier is out of range";
3826 if (is_main_fmt && !seen_msg_fmt) {
3827 *err = "main ErrorLogFormat must contain message format string '%M'";
3834 static const char *set_errorlog_format(cmd_parms *cmd, void *dummy,
3835 const char *arg1, const char *arg2)
3837 const char *err_string = NULL;
3838 core_server_config *conf =
3839 ap_get_core_module_config(cmd->server->module_config);
3842 conf->error_log_format = parse_errorlog_string(cmd->pool, arg1,
3845 else if (!strcasecmp(arg1, "connection")) {
3846 if (!conf->error_log_conn) {
3847 conf->error_log_conn = apr_array_make(cmd->pool, 5,
3848 sizeof(apr_array_header_t *));
3852 apr_array_header_t **e;
3853 e = (apr_array_header_t **) apr_array_push(conf->error_log_conn);
3854 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3857 else if (!strcasecmp(arg1, "request")) {
3858 if (!conf->error_log_req) {
3859 conf->error_log_req = apr_array_make(cmd->pool, 5,
3860 sizeof(apr_array_header_t *));
3864 apr_array_header_t **e;
3865 e = (apr_array_header_t **) apr_array_push(conf->error_log_req);
3866 *e = parse_errorlog_string(cmd->pool, arg2, &err_string, 0);
3870 err_string = "ErrorLogFormat type must be one of request, connection";
3876 AP_DECLARE(void) ap_register_errorlog_handler(apr_pool_t *p, char *tag,
3877 ap_errorlog_handler_fn_t *handler,
3880 ap_errorlog_handler *log_struct = apr_palloc(p, sizeof(*log_struct));
3881 log_struct->func = handler;
3882 log_struct->flags = flags;
3884 apr_hash_set(errorlog_hash, tag, 1, (const void *)log_struct);
3888 /* Note --- ErrorDocument will now work from .htaccess files.
3889 * The AllowOverride of Fileinfo allows webmasters to turn it off
3892 static const command_rec core_cmds[] = {
3894 /* Old access config file commands */
3896 AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF,
3897 "Container for directives affecting resources located in the specified "
3899 AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF,
3900 "Container for directives affecting resources accessed through the "
3901 "specified URL paths"),
3902 AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF,
3903 "Container to map directives to a particular virtual host, takes one or "
3904 "more host addresses"),
3905 AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL,
3906 "Container for directives affecting files matching specified patterns"),
3907 AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_LIMIT | OR_AUTHCFG,
3908 "Container for authentication directives when accessed using specified HTTP "
3910 AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1,
3911 OR_LIMIT | OR_AUTHCFG,
3912 "Container for authentication directives to be applied when any HTTP "
3913 "method other than those specified is used to access the resource"),
3914 AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL,
3915 "Container for directives based on existence of specified modules"),
3916 AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL,
3917 "Container for directives based on existence of command line defines"),
3918 AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF,
3919 "Container for directives affecting resources located in the "
3920 "specified directories"),
3921 AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF,
3922 "Container for directives affecting resources accessed through the "
3923 "specified URL paths"),
3924 AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL,
3925 "Container for directives affecting files matching specified patterns"),
3927 AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF,
3928 "Directory to plop gmon.out files"),
3930 AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO,
3931 "The name of the default charset to add to any Content-Type without one or 'Off' to disable"),
3932 AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO,
3933 "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"),
3934 AP_INIT_TAKE12("Define", set_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3935 "Define a variable, optionally to a value. Same as passing -D to the command line."),
3936 AP_INIT_TAKE1("UnDefine", unset_define, NULL, EXEC_ON_READ|ACCESS_CONF|RSRC_CONF,
3937 "Undefine the existence of a variable. Undo a Define."),
3938 AP_INIT_RAW_ARGS("Error", generate_error, NULL, OR_ALL,
3939 "Generate error message from within configuration"),
3940 AP_INIT_RAW_ARGS("<If", ifsection, COND_IF, OR_ALL,
3941 "Container for directives to be conditionally applied"),
3942 AP_INIT_RAW_ARGS("<ElseIf", ifsection, COND_ELSEIF, OR_ALL,
3943 "Container for directives to be conditionally applied"),
3944 AP_INIT_RAW_ARGS("<Else", ifsection, COND_ELSE, OR_ALL,
3945 "Container for directives to be conditionally applied"),
3947 /* Old resource config file commands */
3949 AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF,
3950 "Name(s) of per-directory config files (default: .htaccess)"),
3951 AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF,
3952 "Root directory of the document tree"),
3953 AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO,
3954 "Change responses for HTTP errors"),
3955 AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF,
3956 "Controls what groups of directives can be configured by per-directory "
3958 AP_INIT_TAKE_ARGV("AllowOverrideList", set_override_list, NULL, ACCESS_CONF,
3959 "Controls what individual directives can be configured by per-directory "
3961 AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS,
3962 "Set a number of attributes for a given directory"),
3963 AP_INIT_TAKE1("DefaultType", set_default_type, NULL, OR_FILEINFO,
3964 "the default media type for otherwise untyped files (DEPRECATED)"),
3965 AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO,
3966 "Specify components used to construct a file's ETag"),
3967 AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO,
3968 "Controls whether memory-mapping may be used to read files"),
3969 AP_INIT_TAKE1("EnableSendfile", set_enable_sendfile, NULL, OR_FILEINFO,
3970 "Controls whether sendfile may be used to transmit files"),
3972 /* Old server config file commands */
3974 AP_INIT_TAKE1("Protocol", set_protocol, NULL, RSRC_CONF,
3975 "Set the Protocol for httpd to use."),
3976 AP_INIT_TAKE2("AcceptFilter", set_accf_map, NULL, RSRC_CONF,
3977 "Set the Accept Filter to use for a protocol"),
3978 AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF,
3979 "Port was replaced with Listen in Apache 2.0"),
3980 AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL,
3981 ACCESS_CONF|RSRC_CONF,
3982 "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
3983 "enable double-reverse DNS lookups"),
3984 AP_INIT_TAKE1("ServerAdmin", set_server_string_slot,
3985 (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF,
3986 "The email address of the server administrator"),
3987 AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF,
3988 "The hostname and port of the server"),
3989 AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL,
3990 "En-/disable server signature (on|off|email)"),
3991 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
3992 "Common directory of server-related files (logs, confs, etc.)"),
3993 AP_INIT_TAKE1("DefaultRuntimeDir", set_runtime_dir, NULL, RSRC_CONF | EXEC_ON_READ,
3994 "Common directory for run-time files (shared memory, locks, etc.)"),
3995 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
3996 (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
3997 "The filename of the error log"),
3998 AP_INIT_TAKE12("ErrorLogFormat", set_errorlog_format, NULL, RSRC_CONF,
3999 "Format string for the ErrorLog"),
4000 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
4001 "A name or names alternately used to access the server"),
4002 AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF,
4003 "The pathname the server can be reached at"),
4004 AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF,
4005 "Timeout duration (sec)"),
4006 AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS,
4007 "whether or not to send a Content-MD5 header with each request"),
4008 AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL,
4009 RSRC_CONF|ACCESS_CONF,
4010 "How to work out the ServerName : Port when constructing URLs"),
4011 AP_INIT_TAKE1("UseCanonicalPhysicalPort", set_use_canonical_phys_port, NULL,
4012 RSRC_CONF|ACCESS_CONF,
4013 "Whether to use the physical Port when constructing URLs"),
4014 /* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
4015 /* TODO: ListenBacklog in MPM */
4016 AP_INIT_TAKE1("Include", include_config, NULL,
4017 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
4018 "Name(s) of the config file(s) to be included; fails if the wildcard does "
4019 "not match at least one file"),
4020 AP_INIT_TAKE1("IncludeOptional", include_config, (void*)1,
4021 (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ),
4022 "Name or pattern of the config file(s) to be included; ignored if the file "
4023 "does not exist or the pattern does not match any files"),
4024 AP_INIT_ITERATE("LogLevel", set_loglevel, NULL, RSRC_CONF|ACCESS_CONF,
4025 "Level of verbosity in error logging"),
4026 AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF,
4027 "A numeric IP address:port, or the name of a host"),
4028 AP_INIT_TAKE12("ServerTokens", set_serv_tokens, NULL, RSRC_CONF,
4029 "Determine tokens displayed in the Server: header - Min(imal), "
4030 "Major, Minor, Prod, OS or Full"),
4031 AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF,
4032 "Limit on maximum size of an HTTP request line"),
4033 AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL,
4035 "Limit on maximum size of an HTTP request header field"),
4036 AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF,
4037 "Limit (0 = unlimited) on max number of header fields in a request message"),
4038 AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body,
4039 (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL,
4040 "Limit (in bytes) on maximum size of request message body"),
4041 AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL,
4042 "Limit (in bytes) on maximum size of an XML-based request "
4044 AP_INIT_RAW_ARGS("Mutex", ap_set_mutex, NULL, RSRC_CONF,
4045 "mutex (or \"default\") and mechanism"),
4047 AP_INIT_TAKE1("MaxRanges", set_max_ranges, NULL, RSRC_CONF|ACCESS_CONF,
4048 "Maximum number of Ranges in a request before returning the entire "
4049 "resource, or 0 for unlimited"),
4050 AP_INIT_TAKE1("MaxRangeOverlaps", set_max_overlaps, NULL, RSRC_CONF|ACCESS_CONF,
4051 "Maximum number of overlaps in Ranges in a request before returning the entire "
4052 "resource, or 0 for unlimited"),
4053 AP_INIT_TAKE1("MaxRangeReversals", set_max_reversals, NULL, RSRC_CONF|ACCESS_CONF,
4054 "Maximum number of reversals in Ranges in a request before returning the entire "
4055 "resource, or 0 for unlimited"),
4056 /* System Resource Controls */
4058 AP_INIT_TAKE12("RLimitCPU", set_limit_cpu,
4059 (void*)APR_OFFSETOF(core_dir_config, limit_cpu),
4060 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4062 AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL,
4063 OR_ALL, "Soft/hard limits for max CPU usage in seconds"),
4065 #if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS)
4066 AP_INIT_TAKE12("RLimitMEM", set_limit_mem,
4067 (void*)APR_OFFSETOF(core_dir_config, limit_mem),
4068 OR_ALL, "Soft/hard limits for max memory usage per process"),
4070 AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL,
4071 OR_ALL, "Soft/hard limits for max memory usage per process"),
4074 AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc,
4075 (void*)APR_OFFSETOF(core_dir_config, limit_nproc),
4076 OR_ALL, "soft/hard limits for max number of processes per uid"),
4078 AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL,
4079 OR_ALL, "soft/hard limits for max number of processes per uid"),
4082 /* internal recursion stopper */
4083 AP_INIT_TAKE12("LimitInternalRecursion", set_recursion_limit, NULL, RSRC_CONF,
4084 "maximum recursion depth of internal redirects and subrequests"),
4086 AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower,
4087 (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO,
4088 "a mime type that overrides other configured type"),
4089 AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower,
4090 (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO,
4091 "a handler name that overrides any other configured handler"),
4092 AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot,
4093 (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO,
4094 "filter (or ; delimited list of filters) to be run on the request content"),
4095 AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot,
4096 (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO,
4097 "filter (or ; delimited list of filters) to be run on the request body"),
4098 AP_INIT_TAKE1("AllowEncodedSlashes", set_allow2f, NULL, RSRC_CONF,
4099 "Allow URLs containing '/' encoded as '%2F'"),
4101 /* scoreboard.c directives */
4102 AP_INIT_TAKE1("ScoreBoardFile", ap_set_scoreboard, NULL, RSRC_CONF,
4103 "A file for Apache to maintain runtime process management information"),
4104 AP_INIT_FLAG("ExtendedStatus", ap_set_extended_status, NULL, RSRC_CONF,
4105 "\"On\" to track extended status information, \"Off\" to disable"),
4106 AP_INIT_FLAG("SeeRequestTail", ap_set_reqtail, NULL, RSRC_CONF,
4107 "For extended status, \"On\" to see the last 63 chars of "
4108 "the request line, \"Off\" (default) to see the first 63"),
4111 * These are default configuration directives that mpms can/should
4113 * XXX These are not for all platforms, and even some Unix MPMs might not want
4116 AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF,
4117 "A file for logging the server process ID"),
4118 AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4119 "Maximum number of connections a particular child serves before "
4120 "dying. (DEPRECATED, use MaxConnectionsPerChild)"),
4121 AP_INIT_TAKE1("MaxConnectionsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF,
4122 "Maximum number of connections a particular child serves before dying."),
4123 AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF,
4124 "The location of the directory Apache changes to before dumping core"),
4125 AP_INIT_TAKE1("MaxMemFree", ap_mpm_set_max_mem_free, NULL, RSRC_CONF,
4126 "Maximum number of 1k blocks a particular child's allocator may hold."),
4127 AP_INIT_TAKE1("ThreadStackSize", ap_mpm_set_thread_stacksize, NULL, RSRC_CONF,
4128 "Size in bytes of stack used by threads handling client connections"),
4129 #if AP_ENABLE_EXCEPTION_HOOK
4130 AP_INIT_TAKE1("EnableExceptionHook", ap_mpm_set_exception_hook, NULL, RSRC_CONF,
4131 "Controls whether exception hook may be called after a crash"),
4133 AP_INIT_TAKE1("TraceEnable", set_trace_enable, NULL, RSRC_CONF,
4134 "'on' (default), 'off' or 'extended' to trace request body content"),
4135 AP_INIT_TAKE1("HttpProtocol", set_http_protocol, NULL, RSRC_CONF,
4136 "'+0.9' (default) or '-0.9' to allow/deny HTTP/0.9"),
4140 /*****************************************************************
4142 * Core handlers for various phases of server operation...
4145 AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r)
4150 /* XXX this seems too specific, this should probably become
4151 * some general-case test
4154 return HTTP_FORBIDDEN;
4156 if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) {
4157 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00126)
4158 "Invalid URI in request %s", r->the_request);
4159 return HTTP_BAD_REQUEST;
4163 && !strncmp(r->uri, r->server->path, r->server->pathlen)
4164 && (r->server->path[r->server->pathlen - 1] == '/'
4165 || r->uri[r->server->pathlen] == '/'
4166 || r->uri[r->server->pathlen] == '\0'))
4168 path = r->uri + r->server->pathlen;
4174 * Make sure that we do not mess up the translation by adding two
4175 * /'s in a row. This happens under windows when the document
4176 * root ends with a /
4178 /* skip all leading /'s (e.g. http://localhost///foo)
4179 * so we are looking at only the relative path.
4181 while (*path == '/') {
4184 if ((rv = apr_filepath_merge(&r->filename, ap_document_root(r), path,
4185 APR_FILEPATH_TRUENAME
4186 | APR_FILEPATH_SECUREROOT, r->pool))
4188 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(00127)
4189 "Cannot map %s to file", r->the_request);
4190 return HTTP_FORBIDDEN;
4192 r->canonical_filename = r->filename;
4197 /*****************************************************************
4199 * Test the filesystem name through directory_walk and file_walk
4201 static int core_map_to_storage(request_rec *r)
4205 if ((access_status = ap_directory_walk(r))) {
4206 return access_status;
4209 if ((access_status = ap_file_walk(r))) {
4210 return access_status;
4217 static int do_nothing(request_rec *r) { return OK; }
4220 static int core_override_type(request_rec *r)
4222 core_dir_config *conf =
4223 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4225 /* Check for overrides with ForceType / SetHandler
4227 if (conf->mime_type && strcmp(conf->mime_type, "none"))
4228 ap_set_content_type(r, (char*) conf->mime_type);
4230 if (conf->handler && strcmp(conf->handler, "none"))
4231 r->handler = conf->handler;
4233 /* Deal with the poor soul who is trying to force path_info to be
4234 * accepted within the core_handler, where they will let the subreq
4235 * address its contents. This is toggled by the user in the very
4236 * beginning of the fixup phase (here!), so modules should override the user's
4237 * discretion in their own module fixup phase. It is tristate, if
4238 * the user doesn't specify, the result is AP_REQ_DEFAULT_PATH_INFO.
4239 * (which the module may interpret to its own customary behavior.)
4240 * It won't be touched if the value is no longer AP_ACCEPT_PATHINFO_UNSET,
4241 * so any module changing the value prior to the fixup phase
4242 * OVERRIDES the user's choice.
4244 if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
4245 && (conf->accept_path_info != AP_ACCEPT_PATHINFO_UNSET)) {
4246 /* No module knew better, and the user coded AcceptPathInfo */
4247 r->used_path_info = conf->accept_path_info;
4253 static int default_handler(request_rec *r)
4255 conn_rec *c = r->connection;
4256 apr_bucket_brigade *bb;
4260 apr_file_t *fd = NULL;
4261 apr_status_t status;
4262 /* XXX if/when somebody writes a content-md5 filter we either need to
4263 * remove this support or coordinate when to use the filter vs.
4264 * when to use this code
4265 * The current choice of when to compute the md5 here matches the 1.3
4266 * support fairly closely (unlike 1.3, we don't handle computing md5
4267 * when the charset is translated).
4269 int bld_content_md5;
4271 d = (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
4272 bld_content_md5 = (d->content_md5 == AP_CONTENT_MD5_ON)
4273 && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE;
4275 ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1);
4277 /* If filters intend to consume the request body, they must
4278 * register an InputFilter to slurp the contents of the POST
4279 * data from the POST input stream. It no longer exists when
4280 * the output filters are invoked by the default handler.
4282 if ((errstatus = ap_discard_request_body(r)) != OK) {
4286 if (r->method_number == M_GET || r->method_number == M_POST) {
4287 if (r->finfo.filetype == APR_NOFILE) {
4288 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00128)
4289 "File does not exist: %s", r->filename);
4290 return HTTP_NOT_FOUND;
4293 /* Don't try to serve a dir. Some OSs do weird things with
4296 if (r->finfo.filetype == APR_DIR) {
4297 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00129)
4298 "Attempt to serve directory: %s", r->filename);
4299 return HTTP_NOT_FOUND;
4302 if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) &&
4303 r->path_info && *r->path_info)
4305 /* default to reject */
4306 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00130)
4307 "File does not exist: %s",
4308 apr_pstrcat(r->pool, r->filename, r->path_info, NULL));
4309 return HTTP_NOT_FOUND;
4312 /* We understood the (non-GET) method, but it might not be legal for
4313 this particular resource. Check to see if the 'deliver_script'
4314 flag is set. If so, then we go ahead and deliver the file since
4315 it isn't really content (only GET normally returns content).
4317 Note: based on logic further above, the only possible non-GET
4318 method at this point is POST. In the future, we should enable
4319 script delivery for all methods. */
4320 if (r->method_number != M_GET) {
4321 core_request_config *req_cfg;
4323 req_cfg = ap_get_core_module_config(r->request_config);
4324 if (!req_cfg->deliver_script) {
4325 /* The flag hasn't been set for this request. Punt. */
4326 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00131)
4327 "This resource does not accept the %s method.",
4329 return HTTP_METHOD_NOT_ALLOWED;
4334 if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY
4335 #if APR_HAS_SENDFILE
4336 | AP_SENDFILE_ENABLED(d->enable_sendfile)
4338 , 0, r->pool)) != APR_SUCCESS) {
4339 ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(00132)
4340 "file permissions deny server access: %s", r->filename);
4341 return HTTP_FORBIDDEN;
4344 ap_update_mtime(r, r->finfo.mtime);
4345 ap_set_last_modified(r);
4347 ap_set_accept_ranges(r);
4348 ap_set_content_length(r, r->finfo.size);
4349 if (bld_content_md5) {
4350 apr_table_setn(r->headers_out, "Content-MD5",
4351 ap_md5digest(r->pool, fd));
4354 bb = apr_brigade_create(r->pool, c->bucket_alloc);
4356 if ((errstatus = ap_meets_conditions(r)) != OK) {
4358 r->status = errstatus;
4361 e = apr_brigade_insert_file(bb, fd, 0, r->finfo.size, r->pool);
4364 if (d->enable_mmap == ENABLE_MMAP_OFF) {
4365 (void)apr_bucket_file_enable_mmap(e, 0);
4370 e = apr_bucket_eos_create(c->bucket_alloc);
4371 APR_BRIGADE_INSERT_TAIL(bb, e);
4373 status = ap_pass_brigade(r->output_filters, bb);
4374 if (status == APR_SUCCESS
4375 || r->status != HTTP_OK
4380 /* no way to know what type of error occurred */
4381 ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(00133)
4382 "default_handler: ap_pass_brigade returned %i",
4384 return HTTP_INTERNAL_SERVER_ERROR;
4387 else { /* unusual method (not GET or POST) */
4388 if (r->method_number == M_INVALID) {
4389 /* See if this looks like an undecrypted SSL handshake attempt.
4390 * It's safe to look a couple bytes into the_request if it exists, as it's
4391 * always allocated at least MIN_LINE_ALLOC (80) bytes.
4394 && r->the_request[0] == 0x16
4395 && (r->the_request[1] == 0x2 || r->the_request[1] == 0x3)) {
4396 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00134)
4397 "Invalid method in request %s - possible attempt to establish SSL connection on non-SSL port", r->the_request);
4399 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00135)
4400 "Invalid method in request %s", r->the_request);
4402 return HTTP_NOT_IMPLEMENTED;
4405 if (r->method_number == M_OPTIONS) {
4406 return ap_send_http_options(r);
4408 return HTTP_METHOD_NOT_ALLOWED;
4412 /* Optional function coming from mod_logio, used for logging of output
4415 APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *ap__logio_add_bytes_out;
4416 APR_OPTIONAL_FN_TYPE(authz_some_auth_required) *ap__authz_ap_some_auth_required;
4418 /* Insist that at least one module will undertake to provide system
4419 * security by dropping startup privileges.
4421 static int sys_privileges = 0;
4422 AP_DECLARE(int) ap_sys_privileges_handlers(int inc)
4424 sys_privileges += inc;
4425 return sys_privileges;
4428 static int check_errorlog_dir(apr_pool_t *p, server_rec *s)
4430 if (!s->error_fname || s->error_fname[0] == '|'
4431 || strcmp(s->error_fname, "syslog") == 0) {
4435 char *abs = ap_server_root_relative(p, s->error_fname);
4436 char *dir = ap_make_dirstr_parent(p, abs);
4438 apr_status_t rv = apr_stat(&finfo, dir, APR_FINFO_TYPE, p);
4439 if (rv == APR_SUCCESS && finfo.filetype != APR_DIR)
4441 if (rv != APR_SUCCESS) {
4442 const char *desc = "main error log";
4444 desc = apr_psprintf(p, "error log of vhost defined at %s:%d",
4445 s->defn_name, s->defn_line_number);
4446 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, rv,
4447 ap_server_conf, APLOGNO(02291)
4448 "Cannot access directory '%s' for %s", dir, desc);
4455 static int core_check_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4459 if (check_errorlog_dir(ptemp, s) != OK)
4467 static int core_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
4469 ap_mutex_init(pconf);
4471 if (!saved_server_config_defines)
4472 init_config_defines(pconf);
4473 apr_pool_cleanup_register(pconf, NULL, reset_config_defines,
4474 apr_pool_cleanup_null);
4476 mpm_common_pre_config(pconf);
4481 static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
4483 ap__logio_add_bytes_out = APR_RETRIEVE_OPTIONAL_FN(ap_logio_add_bytes_out);
4484 ident_lookup = APR_RETRIEVE_OPTIONAL_FN(ap_ident_lookup);
4485 ap__authz_ap_some_auth_required = APR_RETRIEVE_OPTIONAL_FN(authz_some_auth_required);
4486 authn_ap_auth_type = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_type);
4487 authn_ap_auth_name = APR_RETRIEVE_OPTIONAL_FN(authn_ap_auth_name);
4488 access_compat_ap_satisfies = APR_RETRIEVE_OPTIONAL_FN(access_compat_ap_satisfies);
4491 ap_setup_make_content_type(pconf);
4492 ap_setup_auth_internal(ptemp);
4493 if (!sys_privileges) {
4494 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL, APLOGNO(00136)
4495 "Server MUST relinquish startup privileges before "
4496 "accepting connections. Please ensure mod_unixd "
4497 "or other system security module is loaded.");
4500 apr_pool_cleanup_register(pconf, NULL, ap_mpm_end_gen_helper,
4501 apr_pool_cleanup_null);
4505 static void core_insert_filter(request_rec *r)
4507 core_dir_config *conf = (core_dir_config *)
4508 ap_get_core_module_config(r->per_dir_config);
4509 const char *filter, *filters = conf->output_filters;
4512 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4513 ap_add_output_filter(filter, NULL, r, r->connection);
4517 filters = conf->input_filters;
4519 while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) {
4520 ap_add_input_filter(filter, NULL, r, r->connection);
4525 static apr_size_t num_request_notes = AP_NUM_STD_NOTES;
4527 static apr_status_t reset_request_notes(void *dummy)
4529 num_request_notes = AP_NUM_STD_NOTES;
4533 AP_DECLARE(apr_size_t) ap_register_request_note(void)
4535 apr_pool_cleanup_register(apr_hook_global_pool, NULL, reset_request_notes,
4536 apr_pool_cleanup_null);
4537 return num_request_notes++;
4540 AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num)
4542 core_request_config *req_cfg;
4544 if (note_num >= num_request_notes) {
4548 req_cfg = (core_request_config *)
4549 ap_get_core_module_config(r->request_config);
4555 return &(req_cfg->notes[note_num]);
4558 AP_DECLARE(apr_socket_t *) ap_get_conn_socket(conn_rec *c)
4560 return ap_get_core_module_config(c->conn_config);
4563 static int core_create_req(request_rec *r)
4565 /* Alloc the config struct and the array of request notes in
4566 * a single block for efficiency
4568 core_request_config *req_cfg;
4570 req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) +
4571 sizeof(void *) * num_request_notes);
4572 req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config));
4574 /* ### temporarily enable script delivery as the default */
4575 req_cfg->deliver_script = 1;
4578 core_request_config *main_req_cfg = (core_request_config *)
4579 ap_get_core_module_config(r->main->request_config);
4580 req_cfg->bb = main_req_cfg->bb;
4583 req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
4586 ap_set_core_module_config(r->request_config, req_cfg);
4591 static int core_create_proxy_req(request_rec *r, request_rec *pr)
4593 return core_create_req(pr);
4596 static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server,
4597 apr_socket_t *csd, long id, void *sbh,
4598 apr_bucket_alloc_t *alloc)
4601 conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec));
4604 (void)ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *)NULL);
4606 /* Got a connection structure, so initialize what fields we can
4607 * (the rest are zeroed out by pcalloc).
4609 c->conn_config = ap_create_conn_config(ptrans);
4610 c->notes = apr_table_make(ptrans, 5);
4613 if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd))
4615 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00137)
4616 "apr_socket_addr_get(APR_LOCAL)");
4617 apr_socket_close(csd);
4621 apr_sockaddr_ip_get(&c->local_ip, c->local_addr);
4622 if ((rv = apr_socket_addr_get(&c->client_addr, APR_REMOTE, csd))
4624 ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, APLOGNO(00138)
4625 "apr_socket_addr_get(APR_REMOTE)");
4626 apr_socket_close(csd);
4630 apr_sockaddr_ip_get(&c->client_ip, c->client_addr);
4631 c->base_server = server;
4634 c->bucket_alloc = alloc;
4636 c->clogging_input_filters = 0;
4641 static int core_pre_connection(conn_rec *c, void *csd)
4643 core_net_rec *net = apr_palloc(c->pool, sizeof(*net));
4646 /* The Nagle algorithm says that we should delay sending partial
4647 * packets in hopes of getting more data. We don't want to do
4648 * this; we are not telnet. There are bad interactions between
4649 * persistent connections and Nagle's algorithm that have very severe
4650 * performance penalties. (Failing to disable Nagle is not much of a
4651 * problem with simple HTTP.)
4653 rv = apr_socket_opt_set(csd, APR_TCP_NODELAY, 1);
4654 if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) {
4655 /* expected cause is that the client disconnected already,
4656 * hence the debug level
4658 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00139)
4659 "apr_socket_opt_set(APR_TCP_NODELAY)");
4662 /* The core filter requires the timeout mode to be set, which
4663 * incidentally sets the socket to be nonblocking. If this
4664 * is not initialized correctly, Linux - for example - will
4665 * be initially blocking, while Solaris will be non blocking
4666 * and any initial read will fail.
4668 rv = apr_socket_timeout_set(csd, c->base_server->timeout);
4669 if (rv != APR_SUCCESS) {
4670 /* expected cause is that the client disconnected already */
4671 ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, APLOGNO(00140)
4672 "apr_socket_timeout_set");
4677 net->out_ctx = NULL;
4678 net->client_socket = csd;
4680 ap_set_core_module_config(net->c->conn_config, csd);
4681 ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c);
4682 ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c);
4686 AP_DECLARE(int) ap_state_query(int query)
4689 case AP_SQ_MAIN_STATE:
4690 return ap_main_state;
4691 case AP_SQ_RUN_MODE:
4693 case AP_SQ_CONFIG_GEN:
4694 return ap_config_generation;
4696 return AP_SQ_NOT_SUPPORTED;
4700 static apr_random_t *rng = NULL;
4702 static apr_thread_mutex_t *rng_mutex = NULL;
4705 static void core_child_init(apr_pool_t *pchild, server_rec *s)
4710 if (ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm) == APR_SUCCESS
4713 apr_thread_mutex_create(&rng_mutex, APR_THREAD_MUTEX_DEFAULT, pchild);
4716 /* The MPMs use plain fork() and not apr_proc_fork(), so we have to call
4717 * apr_random_after_fork() manually in the child
4719 proc.pid = getpid();
4720 apr_random_after_fork(&proc);
4723 AP_CORE_DECLARE(void) ap_random_parent_after_fork(void)
4726 * To ensure that the RNG state in the parent changes after the fork, we
4727 * pull some data from the RNG and discard it. This ensures that the RNG
4728 * states in the children are different even after the pid wraps around.
4729 * As we only use apr_random for insecure random bytes, pulling 2 bytes
4731 * XXX: APR should probably have some dedicated API to do this, but it
4732 * XXX: currently doesn't.
4735 apr_random_insecure_bytes(rng, &data, sizeof(data));
4738 AP_CORE_DECLARE(void) ap_init_rng(apr_pool_t *p)
4740 unsigned char seed[8];
4742 rng = apr_random_standard_new(p);
4744 rv = apr_generate_random_bytes(seed, sizeof(seed));
4745 if (rv != APR_SUCCESS)
4747 apr_random_add_entropy(rng, seed, sizeof(seed));
4748 rv = apr_random_insecure_ready(rng);
4749 } while (rv == APR_ENOTENOUGHENTROPY);
4750 if (rv == APR_SUCCESS)
4753 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(00141)
4754 "Could not initialize random number generator");
4758 AP_DECLARE(void) ap_random_insecure_bytes(void *buf, apr_size_t size)
4762 apr_thread_mutex_lock(rng_mutex);
4764 /* apr_random_insecure_bytes can only fail with APR_ENOTENOUGHENTROPY,
4765 * and we have ruled that out during initialization. Therefore we don't
4766 * need to check the return code.
4768 apr_random_insecure_bytes(rng, buf, size);
4771 apr_thread_mutex_unlock(rng_mutex);
4776 * Finding a random number in a range.
4777 * n' = a + n(b-a+1)/(M+1)
4779 * n' = random number in range
4780 * a = low end of range
4781 * b = high end of range
4782 * n = random number of 0..M
4784 * Algorithm 'borrowed' from PHP's rand() function.
4786 #define RAND_RANGE(__n, __min, __max, __tmax) \
4787 (__n) = (__min) + (long) ((double) ((__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))
4788 AP_DECLARE(apr_uint32_t) ap_random_pick(apr_uint32_t min, apr_uint32_t max)
4790 apr_uint32_t number;
4793 ap_random_insecure_bytes(&num16, sizeof(num16));
4794 RAND_RANGE(num16, min, max, APR_UINT16_MAX);
4798 ap_random_insecure_bytes(&number, sizeof(number));
4799 RAND_RANGE(number, min, max, APR_UINT32_MAX);
4804 static apr_status_t core_insert_network_bucket(conn_rec *c,
4805 apr_bucket_brigade *bb,
4806 apr_socket_t *socket)
4808 apr_bucket *e = apr_bucket_socket_create(socket, c->bucket_alloc);
4809 APR_BRIGADE_INSERT_TAIL(bb, e);
4813 static apr_status_t core_dirwalk_stat(apr_finfo_t *finfo, request_rec *r,
4816 return apr_stat(finfo, r->filename, wanted, r->pool);
4819 static void core_dump_config(apr_pool_t *p, server_rec *s)
4821 core_server_config *sconf = ap_get_core_module_config(s->module_config);
4822 apr_file_t *out = NULL;
4824 const char **defines;
4826 if (!ap_exists_config_define("DUMP_RUN_CFG"))
4829 apr_file_open_stdout(&out, p);
4830 apr_file_printf(out, "ServerRoot: \"%s\"\n", ap_server_root);
4831 tmp = ap_server_root_relative(p, sconf->ap_document_root);
4832 apr_file_printf(out, "Main DocumentRoot: \"%s\"\n", tmp);
4833 if (s->error_fname[0] != '|' && strcmp(s->error_fname, "syslog") != 0)
4834 tmp = ap_server_root_relative(p, s->error_fname);
4836 tmp = s->error_fname;
4837 apr_file_printf(out, "Main ErrorLog: \"%s\"\n", tmp);
4838 if (ap_scoreboard_fname) {
4839 tmp = ap_runtime_dir_relative(p, ap_scoreboard_fname);
4840 apr_file_printf(out, "ScoreBoardFile: \"%s\"\n", tmp);
4842 ap_dump_mutexes(p, s, out);
4843 ap_mpm_dump_pidfile(p, out);
4845 defines = (const char **)ap_server_config_defines->elts;
4846 for (i = 0; i < ap_server_config_defines->nelts; i++) {
4847 const char *name = defines[i];
4848 const char *val = NULL;
4849 if (server_config_defined_vars)
4850 val = apr_table_get(server_config_defined_vars, name);
4852 apr_file_printf(out, "Define: %s=%s\n", name, val);
4854 apr_file_printf(out, "Define: %s\n", name);
4858 static void register_hooks(apr_pool_t *p)
4860 errorlog_hash = apr_hash_make(p);
4861 ap_register_log_hooks(p);
4862 ap_register_config_hooks(p);
4865 /* create_connection and pre_connection should always be hooked
4866 * APR_HOOK_REALLY_LAST by core to give other modules the opportunity
4867 * to install alternate network transports and stop other functions
4870 ap_hook_create_connection(core_create_conn, NULL, NULL,
4871 APR_HOOK_REALLY_LAST);
4872 ap_hook_pre_connection(core_pre_connection, NULL, NULL,
4873 APR_HOOK_REALLY_LAST);
4875 ap_hook_pre_config(core_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
4876 ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
4877 ap_hook_check_config(core_check_config,NULL,NULL,APR_HOOK_FIRST);
4878 ap_hook_test_config(core_dump_config,NULL,NULL,APR_HOOK_FIRST);
4879 ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST);
4880 ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST);
4881 ap_hook_open_logs(ap_open_logs,NULL,NULL,APR_HOOK_REALLY_FIRST);
4882 ap_hook_child_init(core_child_init,NULL,NULL,APR_HOOK_REALLY_FIRST);
4883 ap_hook_child_init(ap_logs_child_init,NULL,NULL,APR_HOOK_MIDDLE);
4884 ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST);
4885 /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */
4886 ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
4887 ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST);
4888 ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
4889 APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL,
4891 ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
4892 ap_hook_child_status(ap_core_child_status, NULL, NULL, APR_HOOK_MIDDLE);
4893 ap_hook_insert_network_bucket(core_insert_network_bucket, NULL, NULL,
4894 APR_HOOK_REALLY_LAST);
4895 ap_hook_dirwalk_stat(core_dirwalk_stat, NULL, NULL, APR_HOOK_REALLY_LAST);
4897 /* register the core's insert_filter hook and register core-provided
4900 ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
4902 ap_core_input_filter_handle =
4903 ap_register_input_filter("CORE_IN", ap_core_input_filter,
4904 NULL, AP_FTYPE_NETWORK);
4905 ap_content_length_filter_handle =
4906 ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter,
4907 NULL, AP_FTYPE_PROTOCOL);
4908 ap_core_output_filter_handle =
4909 ap_register_output_filter("CORE", ap_core_output_filter,
4910 NULL, AP_FTYPE_NETWORK);
4911 ap_subreq_core_filter_handle =
4912 ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter,
4913 NULL, AP_FTYPE_CONTENT_SET);
4915 ap_register_output_filter("OLD_WRITE", ap_old_write_filter,
4916 NULL, AP_FTYPE_RESOURCE - 10);
4919 AP_DECLARE_MODULE(core) = {
4921 AP_PLATFORM_REWRITE_ARGS_HOOK, /* hook to run before apache parses args */
4922 create_core_dir_config, /* create per-directory config structure */
4923 merge_core_dir_configs, /* merge per-directory config structures */
4924 create_core_server_config, /* create per-server config structure */
4925 merge_core_server_configs, /* merge per-server config structures */
4926 core_cmds, /* command apr_table_t */
4927 register_hooks /* register hooks */