1 /* Copyright 1999-2004 The Apache Software Foundation
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 * http_config.c: once was auxillary functions for reading httpd's config
18 * file and converting filenames into a namespace
22 * Wall-to-wall rewrite for Apache... commands which are part of the
23 * server core can now be found next door in "http_core.c". Now contains
24 * general command loop, and functions which do bookkeeping for the new
25 * Apache config stuff (modules and configuration vectors).
32 #include "apr_strings.h"
33 #include "apr_portable.h"
34 #include "apr_file_io.h"
35 #include "apr_fnmatch.h"
37 #define APR_WANT_STDIO
38 #define APR_WANT_STRFUNC
43 #include "ap_config.h"
45 #include "http_config.h"
46 #include "http_protocol.h"
47 #include "http_core.h"
48 #include "http_log.h" /* for errors in parse_htaccess */
49 #include "http_request.h" /* for default_handler (see invoke_handler) */
50 #include "http_main.h"
51 #include "http_vhost.h"
52 #include "util_cfgtree.h"
56 AP_DECLARE_DATA const char *ap_server_argv0 = NULL;
58 AP_DECLARE_DATA const char *ap_server_root = NULL;
60 AP_DECLARE_DATA apr_array_header_t *ap_server_pre_read_config = NULL;
61 AP_DECLARE_DATA apr_array_header_t *ap_server_post_read_config = NULL;
62 AP_DECLARE_DATA apr_array_header_t *ap_server_config_defines = NULL;
64 AP_DECLARE_DATA ap_directive_t *ap_conftree = NULL;
67 APR_HOOK_LINK(header_parser)
68 APR_HOOK_LINK(pre_config)
69 APR_HOOK_LINK(post_config)
70 APR_HOOK_LINK(open_logs)
71 APR_HOOK_LINK(child_init)
72 APR_HOOK_LINK(handler)
73 APR_HOOK_LINK(quick_handler)
74 APR_HOOK_LINK(optional_fn_retrieve)
77 AP_IMPLEMENT_HOOK_RUN_ALL(int, header_parser,
78 (request_rec *r), (r), OK, DECLINED)
80 AP_IMPLEMENT_HOOK_RUN_ALL(int, pre_config,
81 (apr_pool_t *pconf, apr_pool_t *plog,
83 (pconf, plog, ptemp), OK, DECLINED)
85 AP_IMPLEMENT_HOOK_RUN_ALL(int, post_config,
86 (apr_pool_t *pconf, apr_pool_t *plog,
87 apr_pool_t *ptemp, server_rec *s),
88 (pconf, plog, ptemp, s), OK, DECLINED)
90 /* During the course of debugging I expanded this macro out, so
91 * rather than remove all the useful information there is in the
92 * following lines, I'm going to leave it here in case anyone
93 * else finds it useful.
95 * Ben has looked at it and thinks it correct :)
97 AP_DECLARE(int) ap_hook_post_config(ap_HOOK_post_config_t *pf,
98 const char * const *aszPre,
99 const char * const *aszSucc,
102 ap_LINK_post_config_t *pHook;
104 if (!_hooks.link_post_config) {
105 _hooks.link_post_config = apr_array_make(apr_hook_global_pool, 1,
106 sizeof(ap_LINK_post_config_t));
107 apr_hook_sort_register("post_config", &_hooks.link_post_config);
110 pHook = apr_array_push(_hooks.link_post_config);
112 pHook->aszPredecessors = aszPre;
113 pHook->aszSuccessors = aszSucc;
114 pHook->nOrder = nOrder;
115 pHook->szName = apr_hook_debug_current;
117 if (apr_hook_debug_enabled)
118 apr_hook_debug_show("post_config", aszPre, aszSucc);
121 AP_DECLARE(apr_array_header_t *) ap_hook_get_post_config(void) {
122 return _hooks.link_post_config;
125 AP_DECLARE(int) ap_run_post_config(apr_pool_t *pconf,
130 ap_LINK_post_config_t *pHook;
133 if(!_hooks.link_post_config)
136 pHook = (ap_LINK_post_config_t *)_hooks.link_post_config->elts;
137 for (n = 0; n < _hooks.link_post_config->nelts; ++n)
138 pHook[n].pFunc (pconf, plog, ptemp, s);
142 AP_IMPLEMENT_HOOK_RUN_ALL(int, open_logs,
143 (apr_pool_t *pconf, apr_pool_t *plog,
144 apr_pool_t *ptemp, server_rec *s),
145 (pconf, plog, ptemp, s), OK, DECLINED)
147 AP_IMPLEMENT_HOOK_VOID(child_init,
148 (apr_pool_t *pchild, server_rec *s),
151 AP_IMPLEMENT_HOOK_RUN_FIRST(int, handler, (request_rec *r),
154 AP_IMPLEMENT_HOOK_RUN_FIRST(int, quick_handler, (request_rec *r, int lookup),
155 (r, lookup), DECLINED)
157 AP_IMPLEMENT_HOOK_VOID(optional_fn_retrieve, (void), ())
159 /****************************************************************
161 * We begin with the functions which deal with the linked list
162 * of modules which control just about all of the server operation.
165 /* total_modules is the number of modules that have been linked
168 static int total_modules = 0;
170 /* dynamic_modules is the number of modules that have been added
171 * after the pre-loaded ones have been set up. It shouldn't be larger
172 * than DYNAMIC_MODULE_LIMIT.
174 static int dynamic_modules = 0;
176 AP_DECLARE_DATA module *ap_top_module = NULL;
177 AP_DECLARE_DATA module **ap_loaded_modules=NULL;
179 typedef int (*handler_func)(request_rec *);
180 typedef void *(*dir_maker_func)(apr_pool_t *, char *);
181 typedef void *(*merger_func)(apr_pool_t *, void *, void *);
183 /* maximum nesting level for config directories */
184 #ifndef AP_MAX_INCLUDE_DIR_DEPTH
185 #define AP_MAX_INCLUDE_DIR_DEPTH (128)
188 /* Dealing with config vectors. These are associated with per-directory,
189 * per-server, and per-request configuration, and have a void* pointer for
190 * each modules. The nature of the structure pointed to is private to the
191 * module in question... the core doesn't (and can't) know. However, there
192 * are defined interfaces which allow it to create instances of its private
193 * per-directory and per-server structures, and to merge the per-directory
194 * structures of a directory and its subdirectory (producing a new one in
195 * which the defaults applying to the base directory have been properly
199 static ap_conf_vector_t *create_empty_config(apr_pool_t *p)
201 void *conf_vector = apr_pcalloc(p, sizeof(void *) *
202 (total_modules + DYNAMIC_MODULE_LIMIT));
206 static ap_conf_vector_t *create_default_per_dir_config(apr_pool_t *p)
208 void **conf_vector = apr_pcalloc(p, sizeof(void *) *
209 (total_modules + DYNAMIC_MODULE_LIMIT));
212 for (modp = ap_top_module; modp; modp = modp->next) {
213 dir_maker_func df = modp->create_dir_config;
216 conf_vector[modp->module_index] = (*df)(p, NULL);
219 return (ap_conf_vector_t *)conf_vector;
222 AP_CORE_DECLARE(ap_conf_vector_t *) ap_merge_per_dir_configs(apr_pool_t *p,
223 ap_conf_vector_t *base,
224 ap_conf_vector_t *new_conf)
226 void **conf_vector = apr_palloc(p, sizeof(void *) * total_modules);
227 void **base_vector = (void **)base;
228 void **new_vector = (void **)new_conf;
231 for (modp = ap_top_module; modp; modp = modp->next) {
232 int i = modp->module_index;
234 if (!new_vector[i]) {
235 conf_vector[i] = base_vector[i];
238 merger_func df = modp->merge_dir_config;
239 if (df && base_vector[i]) {
240 conf_vector[i] = (*df)(p, base_vector[i], new_vector[i]);
243 conf_vector[i] = new_vector[i];
247 return (ap_conf_vector_t *)conf_vector;
250 static ap_conf_vector_t *create_server_config(apr_pool_t *p, server_rec *s)
252 void **conf_vector = apr_pcalloc(p, sizeof(void *) *
253 (total_modules + DYNAMIC_MODULE_LIMIT));
256 for (modp = ap_top_module; modp; modp = modp->next) {
257 if (modp->create_server_config)
258 conf_vector[modp->module_index] = (*modp->create_server_config)(p, s);
261 return (ap_conf_vector_t *)conf_vector;
264 static void merge_server_configs(apr_pool_t *p, ap_conf_vector_t *base,
265 ap_conf_vector_t *virt)
267 /* Can reuse the 'virt' vector for the spine of it, since we don't
268 * have to deal with the moral equivalent of .htaccess files here...
271 void **base_vector = (void **)base;
272 void **virt_vector = (void **)virt;
275 for (modp = ap_top_module; modp; modp = modp->next) {
276 merger_func df = modp->merge_server_config;
277 int i = modp->module_index;
280 virt_vector[i] = base_vector[i];
282 virt_vector[i] = (*df)(p, base_vector[i], virt_vector[i]);
286 AP_CORE_DECLARE(ap_conf_vector_t *) ap_create_request_config(apr_pool_t *p)
288 return create_empty_config(p);
291 AP_CORE_DECLARE(ap_conf_vector_t *) ap_create_conn_config(apr_pool_t *p)
293 return create_empty_config(p);
296 AP_CORE_DECLARE(ap_conf_vector_t *) ap_create_per_dir_config(apr_pool_t *p)
298 return create_empty_config(p);
301 static int ap_invoke_filter_init(ap_filter_t *filters)
304 if (filters->frec->filter_init_func) {
305 int result = filters->frec->filter_init_func(filters);
310 filters = filters->next;
315 AP_CORE_DECLARE(int) ap_invoke_handler(request_rec *r)
320 const char *old_handler = r->handler;
323 * The new insert_filter stage makes the most sense here. We only use
324 * it when we are going to run the request, so we must insert filters
325 * if any are available. Since the goal of this phase is to allow all
326 * modules to insert a filter if they want to, this filter returns
327 * void. I just can't see any way that this filter can reasonably
328 * fail, either your modules inserts something or it doesn't. rbb
330 ap_run_insert_filter(r);
332 /* Before continuing, allow each filter that is in the two chains to
333 * run their init function to let them do any magic before we could
334 * start generating data.
336 result = ap_invoke_filter_init(r->input_filters);
340 result = ap_invoke_filter_init(r->output_filters);
346 handler = r->content_type ? r->content_type : ap_default_type(r);
347 if ((p=ap_strchr_c(handler, ';')) != NULL) {
348 char *new_handler = (char *)apr_pmemdup(r->pool, handler,
350 char *p2 = new_handler + (p - handler);
351 handler = new_handler;
353 /* MIME type arguments */
354 while (p2 > handler && p2[-1] == ' ')
355 --p2; /* strip trailing spaces */
360 r->handler = handler;
363 result = ap_run_handler(r);
365 r->handler = old_handler;
367 if (result == DECLINED && r->handler && r->filename) {
368 ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r,
369 "handler \"%s\" not found for: %s", r->handler, r->filename);
372 return result == DECLINED ? HTTP_INTERNAL_SERVER_ERROR : result;
375 AP_DECLARE(int) ap_method_is_limited(cmd_parms *cmd, const char *method)
379 methnum = ap_method_number_of(method);
382 * A method number either hardcoded into apache or
383 * added by a module and registered.
385 if (methnum != M_INVALID) {
386 return (cmd->limited & (AP_METHOD_BIT << methnum)) ? 1 : 0;
389 return 0; /* not found */
392 AP_DECLARE(void) ap_register_hooks(module *m, apr_pool_t *p)
394 if (m->register_hooks) {
395 if (getenv("SHOW_HOOKS")) {
396 printf("Registering hooks for %s\n", m->name);
397 apr_hook_debug_enabled = 1;
400 apr_hook_debug_current = m->name;
401 m->register_hooks(p);
405 /* One-time setup for precompiled modules --- NOT to be done on restart */
407 AP_DECLARE(const char *) ap_add_module(module *m, apr_pool_t *p)
409 /* This could be called from a LoadModule httpd.conf command,
410 * after the file has been linked and the module structure within it
414 if (m->version != MODULE_MAGIC_NUMBER_MAJOR) {
415 return apr_psprintf(p, "Module \"%s\" is not compatible with this "
416 "version of Apache (found %d, need %d). Please "
417 "contact the vendor for the correct version.",
418 m->name, m->version, MODULE_MAGIC_NUMBER_MAJOR);
421 if (m->next == NULL) {
422 m->next = ap_top_module;
426 if (m->module_index == -1) {
427 m->module_index = total_modules++;
430 if (dynamic_modules > DYNAMIC_MODULE_LIMIT) {
431 return apr_psprintf(p, "Module \"%s\" could not be loaded, "
432 "because the dynamic module limit was "
433 "reached. Please increase "
434 "DYNAMIC_MODULE_LIMIT and recompile.", m->name);
438 /* Some C compilers put a complete path into __FILE__, but we want
439 * only the filename (e.g. mod_includes.c). So check for path
440 * components (Unix and DOS), and remove them.
443 if (ap_strrchr_c(m->name, '/'))
444 m->name = 1 + ap_strrchr_c(m->name, '/');
446 if (ap_strrchr_c(m->name, '\\'))
447 m->name = 1 + ap_strrchr_c(m->name, '\\');
451 * "*POSIX(/home/martin/apache/src/modules/standard/mod_info.c)"
454 /* We cannot fix the string in-place, because it's const */
455 if (m->name[strlen(m->name)-1] == ')') {
456 char *tmp = strdup(m->name); /* FIXME: memory leak, albeit a small one */
457 tmp[strlen(tmp)-1] = '\0';
460 #endif /*_OSD_POSIX*/
462 /* FIXME: is this the right place to call this?
463 * It doesn't appear to be
465 ap_register_hooks(m, p);
471 * remove_module undoes what add_module did. There are some caveats:
472 * when the module is removed, its slot is lost so all the current
473 * per-dir and per-server configurations are invalid. So we should
474 * only ever call this function when you are invalidating almost
475 * all our current data. I.e. when doing a restart.
478 AP_DECLARE(void) ap_remove_module(module *m)
482 modp = ap_top_module;
484 /* We are the top module, special case */
485 ap_top_module = modp->next;
489 /* Not the top module, find use. When found modp will
490 * point to the module _before_ us in the list
493 while (modp && modp->next != m) {
498 /* Uh-oh, this module doesn't exist */
499 ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
500 "Cannot remove module %s: not found in module list",
505 /* Eliminate us from the module list */
506 modp->next = modp->next->next;
509 m->module_index = -1; /* simulate being unloaded, should
515 AP_DECLARE(const char *) ap_add_loaded_module(module *mod, apr_pool_t *p)
521 * Add module pointer to top of chained module list
523 error = ap_add_module(mod, p);
529 * And module pointer to list of loaded modules
531 * Notes: 1. ap_add_module() would already complain if no more space
532 * exists for adding a dynamically loaded module
533 * 2. ap_add_module() accepts double inclusion, so we have
534 * to accept this, too.
536 for (m = ap_loaded_modules; *m != NULL; m++)
544 AP_DECLARE(void) ap_remove_loaded_module(module *mod)
551 * Remove module pointer from chained module list
553 ap_remove_module(mod);
556 * Remove module pointer from list of loaded modules
558 * Note: 1. We cannot determine if the module was successfully
559 * removed by ap_remove_module().
560 * 2. We have not to complain explicity when the module
561 * is not found because ap_remove_module() did it
564 for (m = m2 = ap_loaded_modules, done = 0; *m2 != NULL; m2++) {
565 if (*m2 == mod && done == 0)
574 AP_DECLARE(const char *) ap_setup_prelinked_modules(process_rec *process)
580 apr_hook_global_pool=process->pconf;
583 * Initialise total_modules variable and module indices
586 for (m = ap_preloaded_modules; *m != NULL; m++)
587 (*m)->module_index = total_modules++;
590 * Initialise list of loaded modules
592 ap_loaded_modules = (module **)apr_palloc(process->pool,
593 sizeof(module *) * (total_modules + DYNAMIC_MODULE_LIMIT + 1));
595 if (ap_loaded_modules == NULL) {
596 return "Ouch! Out of memory in ap_setup_prelinked_modules()!";
599 for (m = ap_preloaded_modules, m2 = ap_loaded_modules; *m != NULL; )
605 * Initialize chain of linked (=activate) modules
607 for (m = ap_prelinked_modules; *m != NULL; m++) {
608 error = ap_add_module(*m, process->pconf);
619 AP_DECLARE(const char *) ap_find_module_name(module *m)
624 AP_DECLARE(module *) ap_find_linked_module(const char *name)
628 for (modp = ap_top_module; modp; modp = modp->next) {
629 if (strcmp(modp->name, name) == 0)
636 /*****************************************************************
638 * Resource, access, and .htaccess config files now parsed by a common
641 * Let's begin with the basics; parsing the line and
642 * invoking the function...
645 static const char *invoke_cmd(const command_rec *cmd, cmd_parms *parms,
646 void *mconfig, const char *args)
649 const char *errmsg = NULL;
651 if ((parms->override & cmd->req_override) == 0)
652 return apr_pstrcat(parms->pool, cmd->name, " not allowed here", NULL);
654 parms->info = cmd->cmd_data;
657 switch (cmd->args_how) {
659 #ifdef RESOLVE_ENV_PER_TOKEN
660 args = ap_resolve_env(parms->pool,args);
662 return cmd->AP_RAW_ARGS(parms, mconfig, args);
666 return apr_pstrcat(parms->pool, cmd->name, " takes no arguments",
669 return cmd->AP_NO_ARGS(parms, mconfig);
672 w = ap_getword_conf(parms->pool, &args);
674 if (*w == '\0' || *args != 0)
675 return apr_pstrcat(parms->pool, cmd->name, " takes one argument",
676 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
678 return cmd->AP_TAKE1(parms, mconfig, w);
681 w = ap_getword_conf(parms->pool, &args);
682 w2 = ap_getword_conf(parms->pool, &args);
684 if (*w == '\0' || *w2 == '\0' || *args != 0)
685 return apr_pstrcat(parms->pool, cmd->name, " takes two arguments",
686 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
688 return cmd->AP_TAKE2(parms, mconfig, w, w2);
691 w = ap_getword_conf(parms->pool, &args);
692 w2 = ap_getword_conf(parms->pool, &args);
694 if (*w == '\0' || *args != 0)
695 return apr_pstrcat(parms->pool, cmd->name, " takes 1-2 arguments",
696 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
698 return cmd->AP_TAKE2(parms, mconfig, w, *w2 ? w2 : NULL);
701 w = ap_getword_conf(parms->pool, &args);
702 w2 = ap_getword_conf(parms->pool, &args);
703 w3 = ap_getword_conf(parms->pool, &args);
705 if (*w == '\0' || *w2 == '\0' || *w3 == '\0' || *args != 0)
706 return apr_pstrcat(parms->pool, cmd->name, " takes three arguments",
707 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
709 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
712 w = ap_getword_conf(parms->pool, &args);
713 w2 = ap_getword_conf(parms->pool, &args);
714 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
716 if (*w == '\0' || *w2 == '\0' || *args != 0)
717 return apr_pstrcat(parms->pool, cmd->name,
718 " takes two or three arguments",
719 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
721 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
724 w = ap_getword_conf(parms->pool, &args);
725 w2 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
726 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
728 if (*w == '\0' || *args != 0)
729 return apr_pstrcat(parms->pool, cmd->name,
730 " takes one, two or three arguments",
731 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
733 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
736 w = ap_getword_conf(parms->pool, &args);
737 w2 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
738 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
740 if (*w == '\0' || (w2 && *w2 && !w3) || *args != 0)
741 return apr_pstrcat(parms->pool, cmd->name,
742 " takes one or three arguments",
743 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
745 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
748 while (*(w = ap_getword_conf(parms->pool, &args)) != '\0') {
750 errmsg = cmd->AP_TAKE1(parms, mconfig, w);
752 if (errmsg && strcmp(errmsg, DECLINE_CMD) != 0)
759 w = ap_getword_conf(parms->pool, &args);
761 if (*w == '\0' || *args == 0)
762 return apr_pstrcat(parms->pool, cmd->name,
763 " requires at least two arguments",
764 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
766 while (*(w2 = ap_getword_conf(parms->pool, &args)) != '\0') {
768 errmsg = cmd->AP_TAKE2(parms, mconfig, w, w2);
770 if (errmsg && strcmp(errmsg, DECLINE_CMD) != 0)
777 w = ap_getword_conf(parms->pool, &args);
779 if (*w == '\0' || (strcasecmp(w, "on") && strcasecmp(w, "off")))
780 return apr_pstrcat(parms->pool, cmd->name, " must be On or Off",
783 return cmd->AP_FLAG(parms, mconfig, strcasecmp(w, "off") != 0);
786 return apr_pstrcat(parms->pool, cmd->name,
787 " is improperly configured internally (server bug)",
792 AP_CORE_DECLARE(const command_rec *) ap_find_command(const char *name,
793 const command_rec *cmds)
796 if (!strcasecmp(name, cmds->name))
805 AP_CORE_DECLARE(const command_rec *) ap_find_command_in_modules(
806 const char *cmd_name, module **mod)
808 const command_rec *cmdp;
811 for (modp = *mod; modp; modp = modp->next) {
812 if (modp->cmds && (cmdp = ap_find_command(cmd_name, modp->cmds))) {
821 AP_CORE_DECLARE(void *) ap_set_config_vectors(server_rec *server,
822 ap_conf_vector_t *section_vector,
824 module *mod, apr_pool_t *pconf)
826 void *section_config = ap_get_module_config(section_vector, mod);
827 void *server_config = ap_get_module_config(server->module_config, mod);
829 if (!section_config && mod->create_dir_config) {
830 /* ### need to fix the create_dir_config functions' prototype... */
831 section_config = (*mod->create_dir_config)(pconf, (char *)section);
832 ap_set_module_config(section_vector, mod, section_config);
835 if (!server_config && mod->create_server_config) {
836 server_config = (*mod->create_server_config)(pconf, server);
837 ap_set_module_config(server->module_config, mod, server_config);
840 return section_config;
843 static const char *execute_now(char *cmd_line, const char *args,
845 apr_pool_t *p, apr_pool_t *ptemp,
846 ap_directive_t **sub_tree,
847 ap_directive_t *parent);
849 static const char *ap_build_config_sub(apr_pool_t *p, apr_pool_t *temp_pool,
850 const char *l, cmd_parms *parms,
851 ap_directive_t **current,
852 ap_directive_t **curr_parent,
853 ap_directive_t **conftree)
855 const char *retval = NULL;
858 ap_directive_t *newdir;
859 module *mod = ap_top_module;
860 const command_rec *cmd;
862 if (*l == '#' || *l == '\0')
865 #if RESOLVE_ENV_PER_TOKEN
868 args = ap_resolve_env(temp_pool, l);
871 cmd_name = ap_getword_conf(p, &args);
872 if (*cmd_name == '\0') {
873 /* Note: this branch should not occur. An empty line should have
874 * triggered the exit further above.
879 if (cmd_name[1] != '/') {
880 char *lastc = cmd_name + strlen(cmd_name) - 1;
884 if (cmd_name[0] == '<' && *args == '\0') {
889 newdir = apr_pcalloc(p, sizeof(ap_directive_t));
890 newdir->filename = parms->config_file->name;
891 newdir->line_num = parms->config_file->line_number;
892 newdir->directive = cmd_name;
893 newdir->args = apr_pstrdup(p, args);
895 if ((cmd = ap_find_command_in_modules(cmd_name, &mod)) != NULL) {
896 if (cmd->req_override & EXEC_ON_READ) {
897 ap_directive_t *sub_tree = NULL;
899 parms->err_directive = newdir;
900 retval = execute_now(cmd_name, args, parms, p, temp_pool,
901 &sub_tree, *curr_parent);
903 (*current)->next = sub_tree;
908 (*curr_parent)->first_child = (*current);
911 (*current)->parent = (*curr_parent);
916 /* Before walking *current to the end of the list,
917 * set the head to *current.
919 *conftree = *current;
921 while ((*current)->next != NULL) {
922 (*current) = (*current)->next;
923 (*current)->parent = (*curr_parent);
930 if (cmd_name[0] == '<') {
931 if (cmd_name[1] != '/') {
932 (*current) = ap_add_node(curr_parent, *current, newdir, 1);
934 else if (*curr_parent == NULL) {
935 parms->err_directive = newdir;
936 return apr_pstrcat(p, cmd_name,
937 " without matching <", cmd_name + 2,
941 char *bracket = cmd_name + strlen(cmd_name) - 1;
943 if (*bracket != '>') {
944 parms->err_directive = newdir;
945 return apr_pstrcat(p, cmd_name,
946 "> directive missing closing '>'", NULL);
951 if (strcasecmp(cmd_name + 2,
952 (*curr_parent)->directive + 1) != 0) {
953 parms->err_directive = newdir;
954 return apr_pstrcat(p, "Expected </",
955 (*curr_parent)->directive + 1, "> but saw ",
956 cmd_name, ">", NULL);
961 /* done with this section; move up a level */
962 *current = *curr_parent;
963 *curr_parent = (*current)->parent;
967 *current = ap_add_node(curr_parent, *current, newdir, 0);
973 AP_DECLARE(const char *) ap_build_cont_config(apr_pool_t *p,
974 apr_pool_t *temp_pool,
976 ap_directive_t **current,
977 ap_directive_t **curr_parent,
978 char *orig_directive)
983 ap_directive_t *sub_tree = NULL;
985 /* Since this function can be called recursively, allocate
986 * the temporary 8k string buffer from the temp_pool rather
987 * than the stack to avoid over-running a fixed length stack.
989 l = apr_palloc(temp_pool, MAX_STRING_LEN);
991 bracket = apr_pstrcat(p, orig_directive + 1, ">", NULL);
992 while (!(ap_cfg_getline(l, MAX_STRING_LEN, parms->config_file))) {
993 if (!memcmp(l, "</", 2)
994 && (strcasecmp(l + 2, bracket) == 0)
995 && (*curr_parent == NULL)) {
998 retval = ap_build_config_sub(p, temp_pool, l, parms, current,
999 curr_parent, &sub_tree);
1003 if (sub_tree == NULL && curr_parent != NULL) {
1004 sub_tree = *curr_parent;
1007 if (sub_tree == NULL && current != NULL) {
1008 sub_tree = *current;
1012 *current = sub_tree;
1016 static const char *ap_walk_config_sub(const ap_directive_t *current,
1018 ap_conf_vector_t *section_vector)
1020 module *mod = ap_top_module;
1023 const command_rec *cmd;
1025 if (!(cmd = ap_find_command_in_modules(current->directive, &mod))) {
1026 parms->err_directive = current;
1027 return apr_pstrcat(parms->pool, "Invalid command '",
1029 "', perhaps mis-spelled or defined by a module "
1030 "not included in the server configuration",
1034 void *dir_config = ap_set_config_vectors(parms->server,
1041 /* Once was enough? */
1042 if (cmd->req_override & EXEC_ON_READ) {
1046 retval = invoke_cmd(cmd, parms, dir_config, current->args);
1047 if (retval == NULL) {
1051 if (strcmp(retval, DECLINE_CMD) != 0) {
1052 /* If the directive in error has already been set, don't
1053 * replace it. Otherwise, an error inside a container
1054 * will be reported as occuring on the first line of the
1057 if (!parms->err_directive) {
1058 parms->err_directive = current;
1064 mod = mod->next; /* Next time around, skip this one */
1070 AP_DECLARE(const char *) ap_walk_config(ap_directive_t *current,
1072 ap_conf_vector_t *section_vector)
1074 ap_conf_vector_t *oldconfig = parms->context;
1076 parms->context = section_vector;
1078 /* scan through all directives, executing each one */
1079 for (; current != NULL; current = current->next) {
1082 parms->directive = current;
1084 /* actually parse the command and execute the correct function */
1085 errmsg = ap_walk_config_sub(current, parms, section_vector);
1086 if (errmsg != NULL) {
1087 /* restore the context (just in case) */
1088 parms->context = oldconfig;
1093 parms->context = oldconfig;
1097 AP_DECLARE(const char *) ap_build_config(cmd_parms *parms,
1098 apr_pool_t *p, apr_pool_t *temp_pool,
1099 ap_directive_t **conftree)
1101 ap_directive_t *current = *conftree;
1102 ap_directive_t *curr_parent = NULL;
1103 char l[MAX_STRING_LEN];
1106 if (current != NULL) {
1107 while (current->next) {
1108 current = current->next;
1112 while (!(ap_cfg_getline(l, MAX_STRING_LEN, parms->config_file))) {
1113 errmsg = ap_build_config_sub(p, temp_pool, l, parms,
1114 ¤t, &curr_parent, conftree);
1118 if (*conftree == NULL && curr_parent != NULL) {
1119 *conftree = curr_parent;
1122 if (*conftree == NULL && current != NULL) {
1123 *conftree = current;
1127 if (curr_parent != NULL) {
1130 while (curr_parent != NULL) {
1131 errmsg = apr_psprintf(p, "%s%s%s:%u: %s> was not closed.",
1133 *errmsg == '\0' ? "" : APR_EOL_STR,
1134 curr_parent->filename,
1135 curr_parent->line_num,
1136 curr_parent->directive);
1138 parms->err_directive = curr_parent;
1139 curr_parent = curr_parent->parent;
1149 * Generic command functions...
1152 AP_DECLARE_NONSTD(const char *) ap_set_string_slot(cmd_parms *cmd,
1156 int offset = (int)(long)cmd->info;
1158 *(const char **)((char *)struct_ptr + offset) = arg;
1163 AP_DECLARE_NONSTD(const char *) ap_set_int_slot(cmd_parms *cmd,
1168 char *error_str = NULL;
1169 int offset = (int)(long)cmd->info;
1171 *(int *)((char*)struct_ptr + offset) = strtol(arg, &endptr, 10);
1173 if ((*arg == '\0') || (*endptr != '\0')) {
1174 error_str = apr_psprintf(cmd->pool,
1175 "Invalid value for directive %s, expected integer",
1176 cmd->directive->directive);
1182 AP_DECLARE_NONSTD(const char *) ap_set_string_slot_lower(cmd_parms *cmd,
1186 char *arg = apr_pstrdup(cmd->pool,arg_);
1187 int offset = (int)(long)cmd->info;
1189 ap_str_tolower(arg);
1190 *(char **)((char *)struct_ptr + offset) = arg;
1195 AP_DECLARE_NONSTD(const char *) ap_set_flag_slot(cmd_parms *cmd,
1196 void *struct_ptr_v, int arg)
1198 int offset = (int)(long)cmd->info;
1199 char *struct_ptr = (char *)struct_ptr_v;
1201 *(int *)(struct_ptr + offset) = arg ? 1 : 0;
1206 AP_DECLARE_NONSTD(const char *) ap_set_file_slot(cmd_parms *cmd, void *struct_ptr,
1209 /* Prepend server_root to relative arg.
1210 * This allows most args to be independent of server_root,
1211 * so the server can be moved or mirrored with less pain.
1214 int offset = (int)(long)cmd->info;
1216 path = ap_server_root_relative(cmd->pool, arg);
1219 return apr_pstrcat(cmd->pool, "Invalid file path ",
1223 *(const char **) ((char*)struct_ptr + offset) = path;
1228 AP_DECLARE_NONSTD(const char *) ap_set_deprecated(cmd_parms *cmd,
1232 return cmd->cmd->errmsg;
1235 /*****************************************************************
1237 * Reading whole config files...
1240 static cmd_parms default_parms =
1241 {NULL, 0, -1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
1243 AP_DECLARE(char *) ap_server_root_relative(apr_pool_t *p, const char *file)
1245 char *newpath = NULL;
1247 rv = apr_filepath_merge(&newpath, ap_server_root, file,
1248 APR_FILEPATH_TRUENAME, p);
1249 if (newpath && (rv == APR_SUCCESS || APR_STATUS_IS_EPATHWILD(rv)
1250 || APR_STATUS_IS_ENOENT(rv)
1251 || APR_STATUS_IS_ENOTDIR(rv))) {
1259 AP_DECLARE(const char *) ap_soak_end_container(cmd_parms *cmd, char *directive)
1261 char l[MAX_STRING_LEN];
1265 while(!(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
1266 #if RESOLVE_ENV_PER_TOKEN
1269 args = ap_resolve_env(cmd->temp_pool, l);
1272 cmd_name = ap_getword_conf(cmd->pool, &args);
1273 if (cmd_name[0] == '<') {
1274 if (cmd_name[1] == '/') {
1275 cmd_name[strlen(cmd_name) - 1] = '\0';
1277 if (strcasecmp(cmd_name + 2, directive + 1) != 0) {
1278 return apr_pstrcat(cmd->pool, "Expected </",
1279 directive + 1, "> but saw ",
1280 cmd_name, ">", NULL);
1283 return NULL; /* found end of container */
1288 if (*args == '\0' && cmd_name[strlen(cmd_name) - 1] == '>') {
1289 cmd_name[strlen(cmd_name) - 1] = '\0';
1292 if ((msg = ap_soak_end_container(cmd, cmd_name)) != NULL) {
1299 return apr_pstrcat(cmd->pool, "Expected </",
1300 directive + 1, "> before end of configuration",
1304 static const char *execute_now(char *cmd_line, const char *args,
1306 apr_pool_t *p, apr_pool_t *ptemp,
1307 ap_directive_t **sub_tree,
1308 ap_directive_t *parent)
1310 module *mod = ap_top_module;
1311 const command_rec *cmd;
1313 if (!(cmd = ap_find_command_in_modules(cmd_line, &mod))) {
1314 return apr_pstrcat(parms->pool, "Invalid command '",
1316 "', perhaps mis-spelled or defined by a module "
1317 "not included in the server configuration",
1321 return invoke_cmd(cmd, parms, sub_tree, args);
1325 /* This structure and the following functions are needed for the
1326 * table-based config file reading. They are passed to the
1327 * cfg_open_custom() routine.
1330 /* Structure to be passed to cfg_open_custom(): it contains an
1331 * index which is incremented from 0 to nelts on each call to
1332 * cfg_getline() (which in turn calls arr_elts_getstr())
1333 * and an apr_array_header_t pointer for the string array.
1336 apr_array_header_t *array;
1341 /* arr_elts_getstr() returns the next line from the string array. */
1342 static void *arr_elts_getstr(void *buf, size_t bufsiz, void *param)
1344 arr_elts_param_t *arr_param = (arr_elts_param_t *)param;
1346 /* End of array reached? */
1347 if (++arr_param->curr_idx > arr_param->array->nelts)
1350 /* return the line */
1352 ((char **)arr_param->array->elts)[arr_param->curr_idx - 1],
1359 /* arr_elts_close(): dummy close routine (makes sure no more lines can be read) */
1360 static int arr_elts_close(void *param)
1362 arr_elts_param_t *arr_param = (arr_elts_param_t *)param;
1364 arr_param->curr_idx = arr_param->array->nelts;
1369 static const char *process_command_config(server_rec *s,
1370 apr_array_header_t *arr,
1371 ap_directive_t **conftree,
1377 arr_elts_param_t arr_parms;
1379 arr_parms.curr_idx = 0;
1380 arr_parms.array = arr;
1382 parms = default_parms;
1384 parms.temp_pool = ptemp;
1386 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1388 parms.config_file = ap_pcfg_open_custom(p, "-c/-C directives",
1390 arr_elts_getstr, arr_elts_close);
1392 errmsg = ap_build_config(&parms, p, ptemp, conftree);
1393 ap_cfg_closefile(parms.config_file);
1396 return apr_pstrcat(p, "Syntax error in -C/-c directive: ", errmsg,
1407 static int fname_alphasort(const void *fn1, const void *fn2)
1409 const fnames *f1 = fn1;
1410 const fnames *f2 = fn2;
1412 return strcmp(f1->fname,f2->fname);
1415 static const char *process_resource_config_nofnmatch(server_rec *s,
1417 ap_directive_t **conftree,
1423 ap_configfile_t *cfp;
1426 if (ap_is_directory(p, fname)) {
1430 apr_array_header_t *candidates = NULL;
1433 char *path = apr_pstrdup(p, fname);
1435 if (++depth > AP_MAX_INCLUDE_DIR_DEPTH) {
1436 return apr_psprintf(p, "Directory %s exceeds the maximum include "
1437 "directory nesting level of %u. You have "
1438 "probably a recursion somewhere.", path,
1439 AP_MAX_INCLUDE_DIR_DEPTH);
1443 * first course of business is to grok all the directory
1444 * entries here and store 'em away. Recall we need full pathnames
1447 rv = apr_dir_open(&dirp, path, p);
1448 if (rv != APR_SUCCESS) {
1450 return apr_psprintf(p, "Could not open config directory %s: %s",
1451 path, apr_strerror(rv, errmsg, sizeof errmsg));
1454 candidates = apr_array_make(p, 1, sizeof(fnames));
1455 while (apr_dir_read(&dirent, APR_FINFO_DIRENT, dirp) == APR_SUCCESS) {
1456 /* strip out '.' and '..' */
1457 if (strcmp(dirent.name, ".")
1458 && strcmp(dirent.name, "..")) {
1459 fnew = (fnames *) apr_array_push(candidates);
1460 fnew->fname = ap_make_full_path(p, path, dirent.name);
1464 apr_dir_close(dirp);
1465 if (candidates->nelts != 0) {
1466 qsort((void *) candidates->elts, candidates->nelts,
1467 sizeof(fnames), fname_alphasort);
1470 * Now recurse these... we handle errors and subdirectories
1471 * via the recursion, which is nice
1473 for (current = 0; current < candidates->nelts; ++current) {
1474 fnew = &((fnames *) candidates->elts)[current];
1475 error = process_resource_config_nofnmatch(s, fnew->fname,
1487 /* GCC's initialization extensions are soooo nice here... */
1488 parms = default_parms;
1490 parms.temp_pool = ptemp;
1492 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1494 if (ap_pcfg_openfile(&cfp, p, fname) != APR_SUCCESS) {
1495 return apr_pstrcat(p, "Could not open document config file ",
1499 parms.config_file = cfp;
1500 error = ap_build_config(&parms, p, ptemp, conftree);
1501 ap_cfg_closefile(cfp);
1504 return apr_psprintf(p, "Syntax error on line %d of %s: %s",
1505 parms.err_directive->line_num,
1506 parms.err_directive->filename, error);
1512 AP_DECLARE(const char *) ap_process_resource_config(server_rec *s,
1514 ap_directive_t **conftree,
1518 /* XXX: lstat() won't work on the wildcard pattern...
1521 /* don't require conf/httpd.conf if we have a -C or -c switch */
1522 if ((ap_server_pre_read_config->nelts
1523 || ap_server_post_read_config->nelts)
1524 && !(strcmp(fname, ap_server_root_relative(p, SERVER_CONFIG_FILE)))) {
1527 if (apr_stat(&finfo, fname, APR_FINFO_LINK | APR_FINFO_TYPE, p) != APR_SUCCESS)
1531 if (!apr_fnmatch_test(fname)) {
1532 return process_resource_config_nofnmatch(s, fname, conftree, p, ptemp,
1539 apr_array_header_t *candidates = NULL;
1542 char *path = apr_pstrdup(p, fname), *pattern = NULL;
1544 pattern = ap_strrchr(path, '/');
1546 AP_DEBUG_ASSERT(pattern != NULL); /* path must be absolute. */
1550 if (apr_fnmatch_test(path)) {
1551 return apr_pstrcat(p, "Wildcard patterns not allowed in Include ",
1555 if (!ap_is_directory(p, path)){
1556 return apr_pstrcat(p, "Include directory '", path, "' not found",
1560 if (!apr_fnmatch_test(pattern)) {
1561 return apr_pstrcat(p, "Must include a wildcard pattern for "
1562 "Include ", fname, NULL);
1566 * first course of business is to grok all the directory
1567 * entries here and store 'em away. Recall we need full pathnames
1570 rv = apr_dir_open(&dirp, path, p);
1571 if (rv != APR_SUCCESS) {
1573 return apr_psprintf(p, "Could not open config directory %s: %s",
1574 path, apr_strerror(rv, errmsg, sizeof errmsg));
1577 candidates = apr_array_make(p, 1, sizeof(fnames));
1578 while (apr_dir_read(&dirent, APR_FINFO_DIRENT, dirp) == APR_SUCCESS) {
1579 /* strip out '.' and '..' */
1580 if (strcmp(dirent.name, ".")
1581 && strcmp(dirent.name, "..")
1582 && (apr_fnmatch(pattern, dirent.name,
1583 APR_FNM_PERIOD) == APR_SUCCESS)) {
1584 fnew = (fnames *) apr_array_push(candidates);
1585 fnew->fname = ap_make_full_path(p, path, dirent.name);
1589 apr_dir_close(dirp);
1590 if (candidates->nelts != 0) {
1593 qsort((void *) candidates->elts, candidates->nelts,
1594 sizeof(fnames), fname_alphasort);
1597 * Now recurse these... we handle errors and subdirectories
1598 * via the recursion, which is nice
1600 for (current = 0; current < candidates->nelts; ++current) {
1601 fnew = &((fnames *) candidates->elts)[current];
1602 error = process_resource_config_nofnmatch(s, fnew->fname,
1615 AP_DECLARE(int) ap_process_config_tree(server_rec *s,
1616 ap_directive_t *conftree,
1623 parms = default_parms;
1625 parms.temp_pool = ptemp;
1627 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1630 errmsg = ap_walk_config(conftree, &parms, s->lookup_defaults);
1632 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0, p,
1633 "Syntax error on line %d of %s:",
1634 parms.err_directive->line_num,
1635 parms.err_directive->filename);
1636 ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0, p,
1638 return HTTP_INTERNAL_SERVER_ERROR;
1644 AP_CORE_DECLARE(int) ap_parse_htaccess(ap_conf_vector_t **result,
1645 request_rec *r, int override,
1646 const char *d, const char *access_name)
1648 ap_configfile_t *f = NULL;
1650 char *filename = NULL;
1651 const struct htaccess_result *cache;
1652 struct htaccess_result *new;
1653 ap_conf_vector_t *dc = NULL;
1654 apr_status_t status;
1656 /* firstly, search cache */
1657 for (cache = r->htaccess; cache != NULL; cache = cache->next) {
1658 if (cache->override == override && strcmp(cache->dir, d) == 0) {
1659 *result = cache->htaccess;
1664 parms = default_parms;
1665 parms.override = override;
1666 parms.pool = r->pool;
1667 parms.temp_pool = r->pool;
1668 parms.server = r->server;
1669 parms.path = apr_pstrdup(r->pool, d);
1671 /* loop through the access names and find the first one */
1672 while (access_name[0]) {
1673 /* AFAICT; there is no use of the actual 'filename' against
1674 * any canonicalization, so we will simply take the given
1675 * name, ignoring case sensitivity and aliases
1677 filename = ap_make_full_path(r->pool, d,
1678 ap_getword_conf(r->pool, &access_name));
1679 status = ap_pcfg_openfile(&f, r->pool, filename);
1681 if (status == APR_SUCCESS) {
1683 ap_directive_t *temptree = NULL;
1685 dc = ap_create_per_dir_config(r->pool);
1687 parms.config_file = f;
1688 errmsg = ap_build_config(&parms, r->pool, r->pool, &temptree);
1690 errmsg = ap_walk_config(temptree, &parms, dc);
1692 ap_cfg_closefile(f);
1695 ap_log_rerror(APLOG_MARK, APLOG_ALERT, 0, r,
1696 "%s: %s", filename, errmsg);
1697 return HTTP_INTERNAL_SERVER_ERROR;
1704 if (!APR_STATUS_IS_ENOENT(status)
1705 && !APR_STATUS_IS_ENOTDIR(status)) {
1706 ap_log_rerror(APLOG_MARK, APLOG_CRIT, status, r,
1707 "%s pcfg_openfile: unable to check htaccess file, "
1708 "ensure it is readable",
1710 apr_table_setn(r->notes, "error-notes",
1711 "Server unable to read htaccess file, denying "
1712 "access to be safe");
1713 return HTTP_FORBIDDEN;
1719 new = apr_palloc(r->pool, sizeof(struct htaccess_result));
1720 new->dir = parms.path;
1721 new->override = override;
1724 /* add to head of list */
1725 new->next = r->htaccess;
1731 AP_CORE_DECLARE(const char *) ap_init_virtual_host(apr_pool_t *p,
1732 const char *hostname,
1733 server_rec *main_server,
1736 server_rec *s = (server_rec *) apr_pcalloc(p, sizeof(server_rec));
1738 /* TODO: this crap belongs in http_core */
1739 s->process = main_server->process;
1740 s->server_admin = NULL;
1741 s->server_hostname = NULL;
1742 s->error_fname = NULL;
1744 s->keep_alive_timeout = 0;
1746 s->keep_alive_max = -1;
1747 s->error_log = main_server->error_log;
1748 s->loglevel = main_server->loglevel;
1749 /* useful default, otherwise we get a port of 0 on redirects */
1750 s->port = main_server->port;
1754 s->names = apr_array_make(p, 4, sizeof(char **));
1755 s->wild_names = apr_array_make(p, 4, sizeof(char **));
1757 s->module_config = create_empty_config(p);
1758 s->lookup_defaults = ap_create_per_dir_config(p);
1760 s->limit_req_line = main_server->limit_req_line;
1761 s->limit_req_fieldsize = main_server->limit_req_fieldsize;
1762 s->limit_req_fields = main_server->limit_req_fields;
1766 return ap_parse_vhost_addrs(p, hostname, s);
1770 AP_DECLARE(void) ap_fixup_virtual_hosts(apr_pool_t *p, server_rec *main_server)
1774 for (virt = main_server->next; virt; virt = virt->next) {
1775 merge_server_configs(p, main_server->module_config,
1776 virt->module_config);
1778 virt->lookup_defaults =
1779 ap_merge_per_dir_configs(p, main_server->lookup_defaults,
1780 virt->lookup_defaults);
1782 if (virt->server_admin == NULL)
1783 virt->server_admin = main_server->server_admin;
1785 if (virt->timeout == 0)
1786 virt->timeout = main_server->timeout;
1788 if (virt->keep_alive_timeout == 0)
1789 virt->keep_alive_timeout = main_server->keep_alive_timeout;
1791 if (virt->keep_alive == -1)
1792 virt->keep_alive = main_server->keep_alive;
1794 if (virt->keep_alive_max == -1)
1795 virt->keep_alive_max = main_server->keep_alive_max;
1797 /* XXX: this is really something that should be dealt with by a
1798 * post-config api phase
1800 ap_core_reorder_directories(p, virt);
1803 ap_core_reorder_directories(p, main_server);
1806 /*****************************************************************
1808 * Getting *everything* configured...
1811 static void init_config_globals(apr_pool_t *p)
1813 /* Global virtual host hash bucket pointers. Init to null. */
1814 ap_init_vhost_config(p);
1817 static server_rec *init_server_config(process_rec *process, apr_pool_t *p)
1820 server_rec *s = (server_rec *) apr_pcalloc(p, sizeof(server_rec));
1822 apr_file_open_stderr(&s->error_log, p);
1823 s->process = process;
1825 s->server_admin = DEFAULT_ADMIN;
1826 s->server_hostname = NULL;
1827 s->error_fname = DEFAULT_ERRORLOG;
1828 s->loglevel = DEFAULT_LOGLEVEL;
1829 s->limit_req_line = DEFAULT_LIMIT_REQUEST_LINE;
1830 s->limit_req_fieldsize = DEFAULT_LIMIT_REQUEST_FIELDSIZE;
1831 s->limit_req_fields = DEFAULT_LIMIT_REQUEST_FIELDS;
1832 s->timeout = apr_time_from_sec(DEFAULT_TIMEOUT);
1833 s->keep_alive_timeout = apr_time_from_sec(DEFAULT_KEEPALIVE_TIMEOUT);
1834 s->keep_alive_max = DEFAULT_KEEPALIVE;
1837 s->addrs = apr_pcalloc(p, sizeof(server_addr_rec));
1839 /* NOT virtual host; don't match any real network interface */
1840 rv = apr_sockaddr_info_get(&s->addrs->host_addr,
1841 NULL, APR_INET, 0, 0, p);
1842 ap_assert(rv == APR_SUCCESS); /* otherwise: bug or no storage */
1844 s->addrs->host_port = 0; /* matches any port */
1845 s->addrs->virthost = ""; /* must be non-NULL */
1846 s->names = s->wild_names = NULL;
1848 s->module_config = create_server_config(p, s);
1849 s->lookup_defaults = create_default_per_dir_config(p);
1855 AP_DECLARE(server_rec*) ap_read_config(process_rec *process, apr_pool_t *ptemp,
1856 const char *filename,
1857 ap_directive_t **conftree)
1859 const char *confname, *error;
1860 apr_pool_t *p = process->pconf;
1861 server_rec *s = init_server_config(process, p);
1863 init_config_globals(p);
1865 /* All server-wide config files now have the SAME syntax... */
1866 error = process_command_config(s, ap_server_pre_read_config, conftree,
1869 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, 0, NULL, "%s: %s",
1870 ap_server_argv0, error);
1874 /* process_command_config may change the ServerRoot so
1875 * compute this config file name afterwards.
1877 confname = ap_server_root_relative(p, filename);
1880 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT,
1881 APR_EBADPATH, NULL, "Invalid config file path %s",
1886 error = ap_process_resource_config(s, confname, conftree, p, ptemp);
1888 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, 0, NULL,
1889 "%s: %s", ap_server_argv0, error);
1893 error = process_command_config(s, ap_server_post_read_config, conftree,
1897 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, 0, NULL, "%s: %s",
1898 ap_server_argv0, error);
1905 AP_DECLARE(void) ap_single_module_configure(apr_pool_t *p, server_rec *s,
1908 if (m->create_server_config)
1909 ap_set_module_config(s->module_config, m,
1910 (*m->create_server_config)(p, s));
1912 if (m->create_dir_config)
1913 ap_set_module_config(s->lookup_defaults, m,
1914 (*m->create_dir_config)(p, NULL));
1917 AP_DECLARE(void) ap_run_rewrite_args(process_rec *process)
1921 for (m = ap_top_module; m; m = m->next) {
1922 if (m->rewrite_args) {
1923 (*m->rewrite_args)(process);
1928 /********************************************************************
1929 * Configuration directives are restricted in terms of where they may
1930 * appear in the main configuration files and/or .htaccess files according
1931 * to the bitmask req_override in the command_rec structure.
1932 * If any of the overrides set in req_override are also allowed in the
1933 * context in which the command is read, then the command is allowed.
1934 * The context is determined as follows:
1936 * inside *.conf --> override = (RSRC_CONF|OR_ALL)&~(OR_AUTHCFG|OR_LIMIT);
1937 * within <Directory> or <Location> --> override = OR_ALL|ACCESS_CONF;
1938 * within .htaccess --> override = AllowOverride for current directory;
1940 * the result is, well, a rather confusing set of possibilities for when
1941 * a particular directive is allowed to be used. This procedure prints
1942 * in English where the given (pc) directive can be used.
1944 static void show_overrides(const command_rec *pc, module *pm)
1948 printf("\tAllowed in *.conf ");
1949 if ((pc->req_override & (OR_OPTIONS | OR_FILEINFO | OR_INDEXES))
1950 || ((pc->req_override & RSRC_CONF)
1951 && ((pc->req_override & (ACCESS_CONF | OR_AUTHCFG | OR_LIMIT))))) {
1954 else if (pc->req_override & RSRC_CONF) {
1955 printf("only outside <Directory>, <Files> or <Location>");
1958 printf("only inside <Directory>, <Files> or <Location>");
1961 /* Warn if the directive is allowed inside <Directory> or .htaccess
1962 * but module doesn't support per-dir configuration
1964 if ((pc->req_override & (OR_ALL | ACCESS_CONF)) && !pm->create_dir_config)
1965 printf(" [no per-dir config]");
1967 if (pc->req_override & OR_ALL) {
1968 printf(" and in .htaccess\n\twhen AllowOverride");
1970 if ((pc->req_override & OR_ALL) == OR_ALL) {
1971 printf(" isn't None");
1974 printf(" includes ");
1976 if (pc->req_override & OR_AUTHCFG) {
1980 printf("AuthConfig");
1983 if (pc->req_override & OR_LIMIT) {
1990 if (pc->req_override & OR_OPTIONS) {
1997 if (pc->req_override & OR_FILEINFO) {
2004 if (pc->req_override & OR_INDEXES) {
2016 /* Show the preloaded configuration directives, the help string explaining
2017 * the directive arguments, in what module they are handled, and in
2018 * what parts of the configuration they are allowed. Used for httpd -L.
2020 AP_DECLARE(void) ap_show_directives(void)
2022 const command_rec *pc;
2025 for (n = 0; ap_loaded_modules[n]; ++n) {
2026 for (pc = ap_loaded_modules[n]->cmds; pc && pc->name; ++pc) {
2027 printf("%s (%s)\n", pc->name, ap_loaded_modules[n]->name);
2030 printf("\t%s\n", pc->errmsg);
2032 show_overrides(pc, ap_loaded_modules[n]);
2037 /* Show the preloaded module names. Used for httpd -l. */
2038 AP_DECLARE(void) ap_show_modules(void)
2042 printf("Compiled in modules:\n");
2043 for (n = 0; ap_loaded_modules[n]; ++n)
2044 printf(" %s\n", ap_loaded_modules[n]->name);
2047 AP_DECLARE(const char *) ap_show_mpm(void)