1 /* ====================================================================
2 * The Apache Software License, Version 1.1
4 * Copyright (c) 2000-2001 The Apache Software Foundation. All rights
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * ====================================================================
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>.
54 * Portions of this software are based upon public domain software
55 * originally written at the National Center for Supercomputing Applications,
56 * University of Illinois, Urbana-Champaign.
60 * http_config.c: once was auxillary functions for reading httpd's config
61 * file and converting filenames into a namespace
65 * Wall-to-wall rewrite for Apache... commands which are part of the
66 * server core can now be found next door in "http_core.c". Now contains
67 * general command loop, and functions which do bookkeeping for the new
68 * Apache config stuff (modules and configuration vectors).
75 #include "apr_strings.h"
76 #include "apr_portable.h"
77 #include "apr_file_io.h"
79 #define APR_WANT_STDIO
80 #define APR_WANT_STRFUNC
85 #include "ap_config.h"
87 #include "http_config.h"
88 #include "http_protocol.h"
89 #include "http_core.h"
90 #include "http_log.h" /* for errors in parse_htaccess */
91 #include "http_request.h" /* for default_handler (see invoke_handler) */
92 #include "http_main.h"
93 #include "http_vhost.h"
94 #include "util_cfgtree.h"
97 AP_DECLARE_DATA const char *ap_server_argv0;
99 AP_DECLARE_DATA const char *ap_server_root;
101 AP_DECLARE_DATA apr_array_header_t *ap_server_pre_read_config;
102 AP_DECLARE_DATA apr_array_header_t *ap_server_post_read_config;
103 AP_DECLARE_DATA apr_array_header_t *ap_server_config_defines;
105 AP_DECLARE_DATA ap_directive_t *ap_conftree;
108 APR_HOOK_LINK(header_parser)
109 APR_HOOK_LINK(pre_config)
110 APR_HOOK_LINK(post_config)
111 APR_HOOK_LINK(open_logs)
112 APR_HOOK_LINK(child_init)
113 APR_HOOK_LINK(handler)
114 APR_HOOK_LINK(quick_handler)
115 APR_HOOK_LINK(optional_fn_retrieve)
118 AP_IMPLEMENT_HOOK_RUN_ALL(int,header_parser,
119 (request_rec *r),(r),OK,DECLINED)
120 AP_IMPLEMENT_HOOK_VOID(pre_config,
121 (apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp),
123 AP_IMPLEMENT_HOOK_VOID(post_config,
124 (apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp,
125 server_rec *s),(pconf,plog,ptemp,s))
126 AP_IMPLEMENT_HOOK_VOID(open_logs,
127 (apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp,
128 server_rec *s),(pconf,plog,ptemp,s))
129 AP_IMPLEMENT_HOOK_VOID(child_init,
130 (apr_pool_t *pchild, server_rec *s),(pchild,s))
132 AP_IMPLEMENT_HOOK_RUN_FIRST(int,handler,(request_rec *r),
134 AP_IMPLEMENT_HOOK_RUN_FIRST(int,quick_handler,(request_rec *r),
137 AP_IMPLEMENT_HOOK_VOID(optional_fn_retrieve,(void),())
139 /****************************************************************
141 * We begin with the functions which deal with the linked list
142 * of modules which control just about all of the server operation.
145 /* total_modules is the number of modules that have been linked
148 static int total_modules = 0;
149 /* dynamic_modules is the number of modules that have been added
150 * after the pre-loaded ones have been set up. It shouldn't be larger
151 * than DYNAMIC_MODULE_LIMIT.
153 static int dynamic_modules = 0;
154 AP_DECLARE_DATA module *ap_top_module = NULL;
155 AP_DECLARE_DATA module **ap_loaded_modules=NULL;
157 typedef int (*handler_func) (request_rec *);
158 typedef void *(*dir_maker_func) (apr_pool_t *, char *);
159 typedef void *(*merger_func) (apr_pool_t *, void *, void *);
161 /* Dealing with config vectors. These are associated with per-directory,
162 * per-server, and per-request configuration, and have a void* pointer for
163 * each modules. The nature of the structure pointed to is private to the
164 * module in question... the core doesn't (and can't) know. However, there
165 * are defined interfaces which allow it to create instances of its private
166 * per-directory and per-server structures, and to merge the per-directory
167 * structures of a directory and its subdirectory (producing a new one in
168 * which the defaults applying to the base directory have been properly
172 static ap_conf_vector_t *create_empty_config(apr_pool_t *p)
174 void *conf_vector = apr_pcalloc(p, sizeof(void *) *
175 (total_modules + DYNAMIC_MODULE_LIMIT));
179 static ap_conf_vector_t *create_default_per_dir_config(apr_pool_t *p)
181 void **conf_vector = apr_pcalloc(p, sizeof(void *) *
182 (total_modules + DYNAMIC_MODULE_LIMIT));
185 for (modp = ap_top_module; modp; modp = modp->next) {
186 dir_maker_func df = modp->create_dir_config;
189 conf_vector[modp->module_index] = (*df) (p, NULL);
192 return (ap_conf_vector_t *) conf_vector;
195 ap_conf_vector_t *ap_merge_per_dir_configs(apr_pool_t *p,
196 ap_conf_vector_t *base,
197 ap_conf_vector_t *new_conf)
199 void **conf_vector = apr_palloc(p, sizeof(void *) * total_modules);
200 void **base_vector = (void **) base;
201 void **new_vector = (void **) new_conf;
204 for (modp = ap_top_module; modp; modp = modp->next) {
205 merger_func df = modp->merge_dir_config;
206 int i = modp->module_index;
208 if (df && new_vector[i])
209 conf_vector[i] = (*df) (p, base_vector[i], new_vector[i]);
211 conf_vector[i] = new_vector[i] ? new_vector[i] : base_vector[i];
214 return (ap_conf_vector_t *) conf_vector;
217 static ap_conf_vector_t *create_server_config(apr_pool_t *p, server_rec *s)
219 void **conf_vector = apr_pcalloc(p, sizeof(void *) *
220 (total_modules + DYNAMIC_MODULE_LIMIT));
223 for (modp = ap_top_module; modp; modp = modp->next) {
224 if (modp->create_server_config)
225 conf_vector[modp->module_index] = (*modp->create_server_config) (p, s);
228 return (ap_conf_vector_t *) conf_vector;
231 static void merge_server_configs(apr_pool_t *p, ap_conf_vector_t *base,
232 ap_conf_vector_t *virt)
234 /* Can reuse the 'virt' vector for the spine of it, since we don't
235 * have to deal with the moral equivalent of .htaccess files here...
238 void **base_vector = (void **) base;
239 void **virt_vector = (void **) virt;
242 for (modp = ap_top_module; modp; modp = modp->next) {
243 merger_func df = modp->merge_server_config;
244 int i = modp->module_index;
247 virt_vector[i] = base_vector[i];
249 virt_vector[i] = (*df) (p, base_vector[i], virt_vector[i]);
253 ap_conf_vector_t *ap_create_request_config(apr_pool_t *p)
255 return create_empty_config(p);
258 ap_conf_vector_t *ap_create_conn_config(apr_pool_t *p)
260 return create_empty_config(p);
263 AP_CORE_DECLARE(ap_conf_vector_t *) ap_create_per_dir_config(apr_pool_t *p)
265 return create_empty_config(p);
268 int ap_invoke_handler(request_rec *r)
274 char hbuf[MAX_STRING_LEN];
275 const char *old_handler = r->handler;
278 handler = r->content_type ? r->content_type : ap_default_type(r);
279 if ((p=ap_strchr_c(handler, ';')) != NULL) {
280 apr_cpystrn(hbuf, handler, sizeof hbuf);
281 p2 = hbuf+(handler-p);
283 /* MIME type arguments */
284 while (p2 > handler && p2[-1] == ' ')
285 --p2; /* strip trailing spaces */
288 r->handler = handler;
291 result = ap_run_handler(r);
293 r->handler = old_handler;
295 if (result == DECLINED && r->handler && r->filename) {
296 ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_WARNING, 0, r,
297 "handler \"%s\" not found for: %s", r->handler, r->filename);
299 return result == DECLINED ? HTTP_INTERNAL_SERVER_ERROR : result;
302 AP_DECLARE(int) ap_method_is_limited(cmd_parms *cmd, const char *method) {
307 methnum = ap_method_number_of(method);
309 * The simple case: a method hard-coded into Apache.
311 if (methnum != M_INVALID) {
312 return (methnum & cmd->limited);
315 * Some extension method we don't know implicitly.
317 if ((cmd->limited_xmethods == NULL)
318 || (cmd->limited_xmethods->nelts == 0)) {
321 xmethod = (char **) cmd->limited_xmethods->elts;
322 for (i = 0; i < cmd->limited_xmethods->nelts; ++i) {
323 if (strcmp(method, xmethod[i]) == 0) {
330 AP_DECLARE(void) ap_register_hooks(module *m, apr_pool_t *p)
332 if(m->register_hooks)
334 if(getenv("SHOW_HOOKS"))
336 printf("Registering hooks for %s\n",m->name);
337 apr_debug_module_hooks=1;
339 apr_current_hooking_module=m->name;
340 m->register_hooks(p);
344 /* One-time setup for precompiled modules --- NOT to be done on restart */
346 AP_DECLARE(void) ap_add_module(module *m, apr_pool_t *p)
348 /* This could be called from an AddModule httpd.conf command,
349 * after the file has been linked and the module structure within it
353 if (m->version != MODULE_MAGIC_NUMBER_MAJOR) {
354 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
355 "%s: module \"%s\" is not compatible with this "
356 "version of Apache.", ap_server_argv0, m->name);
357 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL, "Please contact the vendor for the correct version.");
361 if (m->next == NULL) {
362 m->next = ap_top_module;
365 if (m->module_index == -1) {
366 m->module_index = total_modules++;
369 if (dynamic_modules > DYNAMIC_MODULE_LIMIT) {
370 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
371 "%s: module \"%s\" could not be loaded, because"
372 " the dynamic", ap_server_argv0, m->name);
373 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
374 "module limit was reached. Please increase "
375 "DYNAMIC_MODULE_LIMIT and recompile.");
380 /* Some C compilers put a complete path into __FILE__, but we want
381 * only the filename (e.g. mod_includes.c). So check for path
382 * components (Unix and DOS), and remove them.
385 if (ap_strrchr_c(m->name, '/'))
386 m->name = 1 + ap_strrchr_c(m->name, '/');
387 if (ap_strrchr_c(m->name, '\\'))
388 m->name = 1 + ap_strrchr_c(m->name, '\\');
390 #ifdef _OSD_POSIX /* __FILE__="*POSIX(/home/martin/apache/src/modules/standard/mod_info.c)" */
391 /* We cannot fix the string in-place, because it's const */
392 if (m->name[strlen(m->name)-1]==')') {
393 char *tmp = strdup(m->name); /* FIXME:memory leak, albeit a small one */
394 tmp[strlen(tmp)-1] = '\0';
397 #endif /*_OSD_POSIX*/
399 /* FIXME: is this the right place to call this?
400 * It doesn't appear to be
402 ap_register_hooks(m, p);
406 * remove_module undoes what add_module did. There are some caveats:
407 * when the module is removed, its slot is lost so all the current
408 * per-dir and per-server configurations are invalid. So we should
409 * only ever call this function when you are invalidating almost
410 * all our current data. I.e. when doing a restart.
413 AP_DECLARE(void) ap_remove_module(module *m)
417 modp = ap_top_module;
419 /* We are the top module, special case */
420 ap_top_module = modp->next;
424 /* Not the top module, find use. When found modp will
425 * point to the module _before_ us in the list
428 while (modp && modp->next != m) {
432 /* Uh-oh, this module doesn't exist */
433 ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, NULL,
434 "Cannot remove module %s: not found in module list",
438 /* Eliminate us from the module list */
439 modp->next = modp->next->next;
442 m->module_index = -1; /* simulate being unloaded, should
448 AP_DECLARE(void) ap_add_loaded_module(module *mod, apr_pool_t *p)
453 * Add module pointer to top of chained module list
455 ap_add_module(mod, p);
458 * And module pointer to list of loaded modules
460 * Notes: 1. ap_add_module() would already complain if no more space
461 * exists for adding a dynamically loaded module
462 * 2. ap_add_module() accepts double inclusion, so we have
463 * to accept this, too.
465 for (m = ap_loaded_modules; *m != NULL; m++)
471 AP_DECLARE(void) ap_remove_loaded_module(module *mod)
478 * Remove module pointer from chained module list
480 ap_remove_module(mod);
483 * Remove module pointer from list of loaded modules
485 * Note: 1. We cannot determine if the module was successfully
486 * removed by ap_remove_module().
487 * 2. We have not to complain explicity when the module
488 * is not found because ap_remove_module() did it
491 for (m = m2 = ap_loaded_modules, done = 0; *m2 != NULL; m2++) {
492 if (*m2 == mod && done == 0)
500 AP_DECLARE(void) ap_setup_prelinked_modules(process_rec *process)
505 apr_global_hook_pool=process->pconf;
508 * Initialise total_modules variable and module indices
511 for (m = ap_preloaded_modules; *m != NULL; m++)
512 (*m)->module_index = total_modules++;
515 * Initialise list of loaded modules
517 ap_loaded_modules = (module **)apr_palloc(process->pool,
518 sizeof(module *)*(total_modules+DYNAMIC_MODULE_LIMIT+1));
519 if (ap_loaded_modules == NULL) {
520 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
521 "Ouch! Out of memory in ap_setup_prelinked_modules()!");
523 for (m = ap_preloaded_modules, m2 = ap_loaded_modules; *m != NULL; )
528 * Initialize chain of linked (=activate) modules
530 for (m = ap_prelinked_modules; *m != NULL; m++)
531 ap_add_module(*m, process->pconf);
536 AP_DECLARE(const char *) ap_find_module_name(module *m)
541 AP_DECLARE(module *) ap_find_linked_module(const char *name)
545 for (modp = ap_top_module; modp; modp = modp->next) {
546 if (strcmp(modp->name, name) == 0)
552 /* Add a named module. Returns 1 if module found, 0 otherwise. */
553 AP_DECLARE(int) ap_add_named_module(const char *name, apr_pool_t *p)
558 for (modp = ap_loaded_modules[i]; modp; modp = ap_loaded_modules[++i]) {
559 if (strcmp(modp->name, name) == 0) {
560 /* Only add modules that are not already enabled. */
561 if (modp->next == NULL) {
562 ap_add_module(modp, p);
571 /*****************************************************************
573 * Resource, access, and .htaccess config files now parsed by a common
576 * Let's begin with the basics; parsing the line and
577 * invoking the function...
580 static const char *invoke_cmd(const command_rec *cmd, cmd_parms *parms,
581 void *mconfig, const char *args)
586 if ((parms->override & cmd->req_override) == 0)
587 return apr_pstrcat(parms->pool, cmd->name, " not allowed here", NULL);
589 parms->info = cmd->cmd_data;
592 switch (cmd->args_how) {
594 #ifdef RESOLVE_ENV_PER_TOKEN
595 args = ap_resolve_env(parms->pool,args);
597 return cmd->AP_RAW_ARGS(parms, mconfig, args);
601 return apr_pstrcat(parms->pool, cmd->name, " takes no arguments",
604 return cmd->AP_NO_ARGS(parms, mconfig);
607 w = ap_getword_conf(parms->pool, &args);
609 if (*w == '\0' || *args != 0)
610 return apr_pstrcat(parms->pool, cmd->name, " takes one argument",
611 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
613 return cmd->AP_TAKE1(parms, mconfig, w);
616 w = ap_getword_conf(parms->pool, &args);
617 w2 = ap_getword_conf(parms->pool, &args);
619 if (*w == '\0' || *w2 == '\0' || *args != 0)
620 return apr_pstrcat(parms->pool, cmd->name, " takes two arguments",
621 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
623 return cmd->AP_TAKE2(parms, mconfig, w, w2);
627 w = ap_getword_conf(parms->pool, &args);
628 w2 = ap_getword_conf(parms->pool, &args);
630 if (*w == '\0' || *args != 0)
631 return apr_pstrcat(parms->pool, cmd->name, " takes 1-2 arguments",
632 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
634 return cmd->AP_TAKE2(parms, mconfig, w, *w2 ? w2 : NULL);
638 w = ap_getword_conf(parms->pool, &args);
639 w2 = ap_getword_conf(parms->pool, &args);
640 w3 = ap_getword_conf(parms->pool, &args);
642 if (*w == '\0' || *w2 == '\0' || *w3 == '\0' || *args != 0)
643 return apr_pstrcat(parms->pool, cmd->name, " takes three arguments",
644 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
646 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
650 w = ap_getword_conf(parms->pool, &args);
651 w2 = ap_getword_conf(parms->pool, &args);
652 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
654 if (*w == '\0' || *w2 == '\0' || *args != 0)
655 return apr_pstrcat(parms->pool, cmd->name,
656 " takes two or three arguments",
657 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
659 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
663 w = ap_getword_conf(parms->pool, &args);
664 w2 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
665 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
667 if (*w == '\0' || *args != 0)
668 return apr_pstrcat(parms->pool, cmd->name,
669 " takes one, two or three arguments",
670 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
672 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
676 w = ap_getword_conf(parms->pool, &args);
677 w2 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
678 w3 = *args ? ap_getword_conf(parms->pool, &args) : NULL;
680 if (*w == '\0' || (w2 && *w2 && !w3) || *args != 0)
681 return apr_pstrcat(parms->pool, cmd->name,
682 " takes one or three arguments",
683 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
685 return cmd->AP_TAKE3(parms, mconfig, w, w2, w3);
689 while (*(w = ap_getword_conf(parms->pool, &args)) != '\0')
691 if ((errmsg = cmd->AP_TAKE1(parms, mconfig, w)))
699 w = ap_getword_conf(parms->pool, &args);
701 if (*w == '\0' || *args == 0)
702 return apr_pstrcat(parms->pool, cmd->name,
703 " requires at least two arguments",
704 cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
706 while (*(w2 = ap_getword_conf(parms->pool, &args)) != '\0')
708 if ((errmsg = cmd->AP_TAKE2(parms, mconfig, w, w2)))
716 w = ap_getword_conf(parms->pool, &args);
718 if (*w == '\0' || (strcasecmp(w, "on") && strcasecmp(w, "off")))
719 return apr_pstrcat(parms->pool, cmd->name, " must be On or Off",
722 return cmd->AP_FLAG(parms, mconfig, strcasecmp(w, "off") != 0);
726 return apr_pstrcat(parms->pool, cmd->name,
727 " is improperly configured internally (server bug)",
732 AP_CORE_DECLARE(const command_rec *) ap_find_command(const char *name, const command_rec *cmds)
735 if (!strcasecmp(name, cmds->name))
743 AP_CORE_DECLARE(const command_rec *) ap_find_command_in_modules(const char *cmd_name, module **mod)
745 const command_rec *cmdp;
748 for (modp = *mod; modp; modp = modp->next)
749 if (modp->cmds && (cmdp = ap_find_command(cmd_name, modp->cmds))) {
757 AP_CORE_DECLARE(void *) ap_set_config_vectors(server_rec *server,
758 ap_conf_vector_t *section_vector,
760 module *mod, apr_pool_t *pconf)
762 void *section_config = ap_get_module_config(section_vector, mod);
763 void *server_config = ap_get_module_config(server->module_config, mod);
765 if (!section_config && mod->create_dir_config) {
766 /* ### need to fix the create_dir_config functions' prototype... */
767 section_config = (*mod->create_dir_config) (pconf, (char *)section);
768 ap_set_module_config(section_vector, mod, section_config);
771 if (!server_config && mod->create_server_config) {
772 server_config = (*mod->create_server_config) (pconf, server);
773 ap_set_module_config(server->module_config, mod, server_config);
776 return section_config;
779 static const char *execute_now(char *cmd_line, const char *args, cmd_parms *parms,
780 apr_pool_t *p, apr_pool_t *ptemp,
781 ap_directive_t **sub_tree, ap_directive_t *parent);
783 static const char * ap_build_config_sub(apr_pool_t *p, apr_pool_t *temp_pool,
784 const char *l, cmd_parms *parms,
785 ap_directive_t **current,
786 ap_directive_t **curr_parent,
787 ap_directive_t **conftree)
791 ap_directive_t *newdir;
792 module *mod = ap_top_module;
793 const command_rec *cmd;
795 if (*l == '#' || *l == '\0')
798 #if RESOLVE_ENV_PER_TOKEN
801 args = ap_resolve_env(temp_pool, l);
803 cmd_name = ap_getword_conf(p, &args);
804 if (*cmd_name == '\0') {
805 /* Note: this branch should not occur. An empty line should have
806 * triggered the exit further above.
811 newdir = apr_pcalloc(p, sizeof(ap_directive_t));
812 newdir->filename = parms->config_file->name;
813 newdir->line_num = parms->config_file->line_number;
814 newdir->directive = cmd_name;
815 newdir->args = apr_pstrdup(p, args);
817 if ((cmd = ap_find_command_in_modules(cmd_name, &mod)) != NULL) {
818 if (cmd->req_override & EXEC_ON_READ) {
820 ap_directive_t *sub_tree = NULL;
822 parms->err_directive = newdir;
823 retval = execute_now(cmd_name, args, parms, p, temp_pool,
824 &sub_tree, *curr_parent);
826 (*current)->next = sub_tree;
829 (*current) = sub_tree;
831 (*curr_parent)->first_child = (*current);
834 (*current)->parent = (*curr_parent);
839 /* Before walking *current to the end of the list,
840 * set the head to *current.
842 *conftree = *current;
844 while ((*current)->next != NULL) {
845 (*current) = (*current)->next;
846 (*current)->parent = (*curr_parent);
853 if (cmd_name[0] == '<') {
854 if (cmd_name[1] != '/') {
855 (*current) = ap_add_node(curr_parent, *current, newdir, 1);
857 else if (*curr_parent == NULL) {
858 parms->err_directive = newdir;
859 return apr_pstrcat(p, cmd_name,
860 " without matching <", cmd_name + 2,
864 char *bracket = cmd_name + strlen(cmd_name) - 1;
866 if (*bracket != '>') {
867 return apr_pstrcat(p, cmd_name,
868 "> directive missing closing '>'", NULL);
871 if (strcasecmp(cmd_name + 2,
872 (*curr_parent)->directive + 1) != 0) {
873 return apr_pstrcat(p, "Expected </",
874 (*curr_parent)->directive + 1, "> but saw ",
875 cmd_name, ">", NULL);
879 /* done with this section; move up a level */
880 *current = *curr_parent;
881 *curr_parent = (*current)->parent;
885 *current = ap_add_node(curr_parent, *current, newdir, 0);
891 const char *ap_build_cont_config(apr_pool_t *p, apr_pool_t *temp_pool,
893 ap_directive_t **current,
894 ap_directive_t **curr_parent,
895 char *orig_directive)
897 char l[MAX_STRING_LEN];
900 ap_directive_t *sub_tree = NULL;
902 bracket = apr_pstrcat(p, orig_directive + 1, ">", NULL);
903 while (!(ap_cfg_getline(l, MAX_STRING_LEN, parms->config_file))) {
904 if (!memcmp(l, "</", 2) &&
905 (strcasecmp(l + 2, bracket) == 0) &&
906 (*curr_parent == NULL)) {
909 retval = ap_build_config_sub(p, temp_pool, l, parms, current,
910 curr_parent, &sub_tree);
913 if (sub_tree == NULL && curr_parent != NULL) {
914 sub_tree = *curr_parent;
916 if (sub_tree == NULL && current != NULL) {
924 static const char *ap_walk_config_sub(const ap_directive_t *current,
926 ap_conf_vector_t *section_vector)
928 module *mod = ap_top_module;
931 const command_rec *cmd;
933 if (!(cmd = ap_find_command_in_modules(current->directive, &mod))) {
934 parms->err_directive = current;
935 return apr_pstrcat(parms->pool, "Invalid command '",
937 "', perhaps mis-spelled or defined by a module "
938 "not included in the server configuration",
942 void *dir_config = ap_set_config_vectors(parms->server,
949 retval = invoke_cmd(cmd, parms, dir_config, current->args);
950 if (retval == NULL) {
953 if (strcmp(retval, DECLINE_CMD) != 0) {
954 /* If the directive in error has already been set, don't
955 * replace it. Otherwise, an error inside a container
956 * will be reported as occuring on the first line of the
959 if (!parms->err_directive) {
960 parms->err_directive = current;
965 mod = mod->next; /* Next time around, skip this one */
971 AP_DECLARE(const char *) ap_walk_config(ap_directive_t *current,
973 ap_conf_vector_t *section_vector)
975 ap_conf_vector_t *oldconfig = parms->context;
977 parms->context = section_vector;
979 /* scan through all directives, executing each one */
980 for (; current != NULL; current = current->next) {
983 parms->directive = current;
985 /* actually parse the command and execute the correct function */
986 errmsg = ap_walk_config_sub(current, parms, section_vector);
987 if (errmsg != NULL) {
988 /* restore the context (just in case) */
989 parms->context = oldconfig;
994 parms->context = oldconfig;
999 AP_DECLARE(const char *) ap_build_config(cmd_parms *parms,
1000 apr_pool_t *p, apr_pool_t *temp_pool,
1001 ap_directive_t **conftree)
1003 ap_directive_t *current = *conftree;
1004 ap_directive_t *curr_parent = NULL;
1005 char l[MAX_STRING_LEN];
1008 if (current != NULL) {
1009 while (current->next) {
1010 current = current->next;
1014 while (!(ap_cfg_getline(l, MAX_STRING_LEN, parms->config_file))) {
1016 errmsg = ap_build_config_sub(p, temp_pool, l, parms,
1017 ¤t, &curr_parent, conftree);
1021 if (*conftree == NULL && curr_parent != NULL) {
1022 *conftree = curr_parent;
1024 if (*conftree == NULL && current != NULL) {
1025 *conftree = current;
1029 if (curr_parent != NULL) {
1031 while (curr_parent != NULL) {
1032 errmsg = apr_psprintf(p, "%s%s%s:%u: %s> was not closed.",
1034 *errmsg == '\0' ? "" : APR_EOL_STR,
1035 curr_parent->filename,
1036 curr_parent->line_num,
1037 curr_parent->directive);
1038 curr_parent = curr_parent->parent;
1047 * Generic command functions...
1050 AP_DECLARE_NONSTD(const char *) ap_set_string_slot(cmd_parms *cmd,
1054 /* This one's pretty generic... */
1056 int offset = (int) (long) cmd->info;
1057 *(const char **) ((char *)struct_ptr + offset) = arg;
1061 AP_DECLARE_NONSTD(const char *) ap_set_string_slot_lower(cmd_parms *cmd,
1065 /* This one's pretty generic... */
1066 char *arg=apr_pstrdup(cmd->pool,arg_);
1068 int offset = (int) (long) cmd->info;
1069 ap_str_tolower(arg);
1070 *(char **) ((char *)struct_ptr + offset) = arg;
1074 AP_DECLARE_NONSTD(const char *) ap_set_flag_slot(cmd_parms *cmd,
1075 void *struct_ptr_v, int arg)
1077 /* This one's pretty generic too... */
1079 int offset = (int) (long) cmd->info;
1080 char *struct_ptr = (char *)struct_ptr_v;
1081 *(int *) (struct_ptr + offset) = arg ? 1 : 0;
1085 AP_DECLARE_NONSTD(const char *) ap_set_file_slot(cmd_parms *cmd, void *struct_ptr,
1088 /* Prepend server_root to relative arg.
1089 This allows .htaccess to be independent of server_root,
1090 so the server can be moved or mirrored with less pain. */
1092 int offset = (int) (long) cmd->info;
1094 arg = ap_os_canonical_filename(cmd->pool, arg);
1096 if (ap_os_is_path_absolute(arg))
1097 p = apr_pstrdup(cmd->pool, arg);
1099 p = ap_make_full_path(cmd->pool, ap_server_root, arg);
1100 *(char **) ((char*)struct_ptr + offset) = p;
1104 /*****************************************************************
1106 * Reading whole config files...
1109 static cmd_parms default_parms =
1110 {NULL, 0, -1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
1112 AP_DECLARE(const char *) ap_server_root_relative(apr_pool_t *p, const char *file)
1115 file = ap_os_canonical_filename(p, file);
1117 if(ap_os_is_path_absolute(file))
1119 return ap_make_full_path(p, ap_server_root, file);
1122 AP_DECLARE(const char *) ap_soak_end_container(cmd_parms *cmd, char *directive)
1124 char l[MAX_STRING_LEN];
1128 while(!(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
1129 #if RESOLVE_ENV_PER_TOKEN
1132 args = ap_resolve_env(cmd->temp_pool, l);
1134 cmd_name = ap_getword_conf(cmd->pool, &args);
1135 if (cmd_name[0] == '<') {
1136 if (cmd_name[1] == '/') {
1137 cmd_name[strlen(cmd_name) - 1] = '\0';
1138 if (strcasecmp(cmd_name + 2, directive + 1) != 0) {
1139 return apr_pstrcat(cmd->pool, "Expected </",
1140 directive + 1, "> but saw ",
1141 cmd_name, ">", NULL);
1143 return NULL; /* found end of container */
1148 if ((msg = ap_soak_end_container(cmd, cmd_name)) != NULL) {
1154 return apr_pstrcat(cmd->pool, "Expected </",
1155 directive + 1, "> before end of configuration",
1159 static const char *execute_now(char *cmd_line, const char *args, cmd_parms *parms,
1160 apr_pool_t *p, apr_pool_t *ptemp,
1161 ap_directive_t **sub_tree, ap_directive_t *parent)
1163 module *mod = ap_top_module;
1164 const command_rec *cmd;
1166 if (!(cmd = ap_find_command_in_modules(cmd_line, &mod))) {
1167 return apr_pstrcat(parms->pool, "Invalid command '",
1169 "', perhaps mis-spelled or defined by a module "
1170 "not included in the server configuration",
1174 return invoke_cmd(cmd, parms, sub_tree, args);
1178 /* This structure and the following functions are needed for the
1179 * table-based config file reading. They are passed to the
1180 * cfg_open_custom() routine.
1183 /* Structure to be passed to cfg_open_custom(): it contains an
1184 * index which is incremented from 0 to nelts on each call to
1185 * cfg_getline() (which in turn calls arr_elts_getstr())
1186 * and an apr_array_header_t pointer for the string array.
1189 apr_array_header_t *array;
1194 /* arr_elts_getstr() returns the next line from the string array. */
1195 static void *arr_elts_getstr(void *buf, size_t bufsiz, void *param)
1197 arr_elts_param_t *arr_param = (arr_elts_param_t *) param;
1199 /* End of array reached? */
1200 if (++arr_param->curr_idx > arr_param->array->nelts)
1203 /* return the line */
1204 apr_cpystrn(buf, ((char **) arr_param->array->elts)[arr_param->curr_idx - 1], bufsiz);
1210 /* arr_elts_close(): dummy close routine (makes sure no more lines can be read) */
1211 static int arr_elts_close(void *param)
1213 arr_elts_param_t *arr_param = (arr_elts_param_t *) param;
1214 arr_param->curr_idx = arr_param->array->nelts;
1218 static void process_command_config(server_rec *s, apr_array_header_t *arr,
1219 ap_directive_t **conftree, apr_pool_t *p,
1224 arr_elts_param_t arr_parms;
1226 arr_parms.curr_idx = 0;
1227 arr_parms.array = arr;
1229 parms = default_parms;
1231 parms.temp_pool = ptemp;
1233 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1235 parms.config_file = ap_pcfg_open_custom(p, "-c/-C directives",
1237 arr_elts_getstr, arr_elts_close);
1239 errmsg = ap_build_config(&parms, p, ptemp, conftree);
1241 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
1242 "Syntax error in -C/-c directive:" APR_EOL_STR "%s",
1247 ap_cfg_closefile(parms.config_file);
1254 static int fname_alphasort(const void *fn1, const void *fn2)
1256 const fnames *f1 = fn1;
1257 const fnames *f2 = fn2;
1259 return strcmp(f1->fname,f2->fname);
1262 void ap_process_resource_config(server_rec *s, const char *fname,
1263 ap_directive_t **conftree, apr_pool_t *p,
1269 ap_configfile_t *cfp;
1271 fname = ap_server_root_relative(p, fname);
1273 /* don't require conf/httpd.conf if we have a -C or -c switch */
1274 if ((ap_server_pre_read_config->nelts
1275 || ap_server_post_read_config->nelts)
1276 && !(strcmp(fname, ap_server_root_relative(p, SERVER_CONFIG_FILE)))) {
1277 if (apr_lstat(&finfo, fname, APR_FINFO_TYPE, p) != APR_SUCCESS)
1282 * here we want to check if the candidate file is really a
1283 * directory, and most definitely NOT a symlink (to prevent
1284 * horrible loops). If so, let's recurse and toss it back
1285 * into the function.
1287 if (ap_is_rdirectory(ptemp, fname)) {
1291 apr_array_header_t *candidates = NULL;
1297 * first course of business is to grok all the directory
1298 * entries here and store 'em away. Recall we need full pathnames
1301 fprintf(stderr, "Processing config directory: %s\n", fname);
1302 rv = apr_dir_open(&dirp, fname, p);
1303 if (rv != APR_SUCCESS) {
1304 fprintf(stderr, "%s: could not open config directory %s: %s\n",
1305 ap_server_argv0, fname,
1306 apr_strerror(rv, errmsg, sizeof errmsg));
1309 candidates = apr_array_make(p, 1, sizeof(fnames));
1310 while (apr_dir_read(&dirent, APR_FINFO_DIRENT, dirp) == APR_SUCCESS) {
1311 /* strip out '.' and '..' */
1312 if (strcmp(dirent.name, ".") &&
1313 strcmp(dirent.name, "..")) {
1314 fnew = (fnames *) apr_array_push(candidates);
1315 fnew->fname = ap_make_full_path(p, fname, dirent.name);
1318 apr_dir_close(dirp);
1319 if (candidates->nelts != 0) {
1320 qsort((void *) candidates->elts, candidates->nelts,
1321 sizeof(fnames), fname_alphasort);
1323 * Now recurse these... we handle errors and subdirectories
1324 * via the recursion, which is nice
1326 for (current = 0; current < candidates->nelts; ++current) {
1327 fnew = &((fnames *) candidates->elts)[current];
1328 fprintf(stderr, " Processing config file: %s\n", fnew->fname);
1329 ap_process_resource_config(s, fnew->fname, conftree, p, ptemp);
1335 /* GCC's initialization extensions are soooo nice here... */
1337 parms = default_parms;
1339 parms.temp_pool = ptemp;
1341 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1343 if (ap_pcfg_openfile(&cfp, p, fname) != APR_SUCCESS) {
1344 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
1345 "%s: could not open document config file %s",
1346 ap_server_argv0, fname);
1350 parms.config_file = cfp;
1352 errmsg = ap_build_config(&parms, p, ptemp, conftree);
1354 if (errmsg != NULL) {
1355 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
1356 "Syntax error on line %d of %s:",
1357 parms.err_directive->line_num,
1358 parms.err_directive->filename);
1359 ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
1364 ap_cfg_closefile(cfp);
1367 AP_DECLARE(void) ap_process_config_tree(server_rec *s,
1368 ap_directive_t *conftree,
1369 apr_pool_t *p, apr_pool_t *ptemp)
1374 parms = default_parms;
1376 parms.temp_pool = ptemp;
1378 parms.override = (RSRC_CONF | OR_ALL) & ~(OR_AUTHCFG | OR_LIMIT);
1381 errmsg = ap_walk_config(conftree, &parms, s->lookup_defaults);
1383 ap_log_perror(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, p,
1384 "Syntax error on line %d of %s:",
1385 parms.err_directive->line_num,
1386 parms.err_directive->filename);
1387 ap_log_perror(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, p,
1393 int ap_parse_htaccess(ap_conf_vector_t **result, request_rec *r, int override,
1394 const char *d, const char *access_name)
1396 ap_configfile_t *f = NULL;
1398 char *filename = NULL;
1399 const struct htaccess_result *cache;
1400 struct htaccess_result *new;
1401 ap_conf_vector_t *dc = NULL;
1402 apr_status_t status;
1404 /* firstly, search cache */
1405 for (cache = r->htaccess; cache != NULL; cache = cache->next)
1406 if (cache->override == override && strcmp(cache->dir, d) == 0) {
1407 if (cache->htaccess != NULL)
1408 *result = cache->htaccess;
1412 parms = default_parms;
1413 parms.override = override;
1414 parms.pool = r->pool;
1415 parms.temp_pool = r->pool;
1416 parms.server = r->server;
1417 parms.path = apr_pstrdup(r->pool, d);
1419 /* loop through the access names and find the first one */
1421 while (access_name[0]) {
1422 filename = ap_make_full_path(r->pool, d,
1423 ap_getword_conf(r->pool, &access_name));
1424 status = ap_pcfg_openfile(&f, r->pool, filename);
1426 if (status == APR_SUCCESS) {
1428 ap_directive_t *temptree = NULL;
1430 dc = ap_create_per_dir_config(r->pool);
1432 parms.config_file = f;
1433 errmsg = ap_build_config(&parms, r->pool, r->pool, &temptree);
1435 errmsg = ap_walk_config(temptree, &parms, dc);
1437 ap_cfg_closefile(f);
1440 ap_log_rerror(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO, 0, r,
1441 "%s: %s", filename, errmsg);
1442 return HTTP_INTERNAL_SERVER_ERROR;
1447 if (!APR_STATUS_IS_ENOENT(status)
1448 && !APR_STATUS_IS_ENOTDIR(status)) {
1449 ap_log_rerror(APLOG_MARK, APLOG_CRIT, status, r,
1450 "%s pcfg_openfile: unable to check htaccess file, "
1451 "ensure it is readable",
1453 apr_table_setn(r->notes, "error-notes",
1454 "Server unable to read htaccess file, denying "
1455 "access to be safe");
1456 return HTTP_FORBIDDEN;
1462 new = apr_palloc(r->pool, sizeof(struct htaccess_result));
1463 new->dir = parms.path;
1464 new->override = override;
1467 /* add to head of list */
1468 new->next = r->htaccess;
1474 AP_CORE_DECLARE(const char *) ap_init_virtual_host(apr_pool_t *p,
1475 const char *hostname,
1476 server_rec *main_server,
1479 server_rec *s = (server_rec *) apr_pcalloc(p, sizeof(server_rec));
1481 /* TODO: this crap belongs in http_core */
1482 s->process = main_server->process;
1483 s->server_admin = NULL;
1484 s->server_hostname = NULL;
1485 s->error_fname = NULL;
1487 s->keep_alive_timeout = 0;
1489 s->keep_alive_max = -1;
1490 s->error_log = main_server->error_log;
1491 s->loglevel = main_server->loglevel;
1492 /* useful default, otherwise we get a port of 0 on redirects */
1493 s->port = main_server->port;
1497 s->names = apr_array_make(p, 4, sizeof(char **));
1498 s->wild_names = apr_array_make(p, 4, sizeof(char **));
1500 s->module_config = create_empty_config(p);
1501 s->lookup_defaults = ap_create_per_dir_config(p);
1503 s->limit_req_line = main_server->limit_req_line;
1504 s->limit_req_fieldsize = main_server->limit_req_fieldsize;
1505 s->limit_req_fields = main_server->limit_req_fields;
1509 return ap_parse_vhost_addrs(p, hostname, s);
1513 AP_DECLARE(void) ap_fixup_virtual_hosts(apr_pool_t *p, server_rec *main_server)
1517 for (virt = main_server->next; virt; virt = virt->next) {
1518 merge_server_configs(p, main_server->module_config,
1519 virt->module_config);
1521 virt->lookup_defaults =
1522 ap_merge_per_dir_configs(p, main_server->lookup_defaults,
1523 virt->lookup_defaults);
1525 if (virt->server_admin == NULL)
1526 virt->server_admin = main_server->server_admin;
1528 if (virt->timeout == 0)
1529 virt->timeout = main_server->timeout;
1531 if (virt->keep_alive_timeout == 0)
1532 virt->keep_alive_timeout = main_server->keep_alive_timeout;
1534 if (virt->keep_alive == -1)
1535 virt->keep_alive = main_server->keep_alive;
1537 if (virt->keep_alive_max == -1)
1538 virt->keep_alive_max = main_server->keep_alive_max;
1540 /* XXX: this is really something that should be dealt with by a
1541 * post-config api phase */
1542 ap_core_reorder_directories(p, virt);
1544 ap_core_reorder_directories(p, main_server);
1547 /*****************************************************************
1549 * Getting *everything* configured...
1552 static void init_config_globals(apr_pool_t *p)
1554 /* Global virtual host hash bucket pointers. Init to null. */
1555 ap_init_vhost_config(p);
1558 static server_rec *init_server_config(process_rec *process, apr_pool_t *p)
1561 server_rec *s = (server_rec *) apr_pcalloc(p, sizeof(server_rec));
1563 apr_file_open_stderr(&s->error_log, p);
1564 s->process = process;
1566 s->server_admin = DEFAULT_ADMIN;
1567 s->server_hostname = NULL;
1568 s->error_fname = DEFAULT_ERRORLOG;
1569 s->loglevel = DEFAULT_LOGLEVEL;
1570 s->limit_req_line = DEFAULT_LIMIT_REQUEST_LINE;
1571 s->limit_req_fieldsize = DEFAULT_LIMIT_REQUEST_FIELDSIZE;
1572 s->limit_req_fields = DEFAULT_LIMIT_REQUEST_FIELDS;
1573 s->timeout = DEFAULT_TIMEOUT;
1574 s->keep_alive_timeout = DEFAULT_KEEPALIVE_TIMEOUT;
1575 s->keep_alive_max = DEFAULT_KEEPALIVE;
1578 s->addrs = apr_pcalloc(p, sizeof(server_addr_rec));
1579 /* NOT virtual host; don't match any real network interface */
1580 rv = apr_sockaddr_info_get(&s->addrs->host_addr,
1581 NULL, APR_INET, 0, 0, p);
1582 ap_assert(rv == APR_SUCCESS); /* otherwise: bug or no storage */
1583 s->addrs->host_port = 0; /* matches any port */
1584 s->addrs->virthost = ""; /* must be non-NULL */
1585 s->names = s->wild_names = NULL;
1587 s->module_config = create_server_config(p, s);
1588 s->lookup_defaults = create_default_per_dir_config(p);
1594 AP_DECLARE(server_rec*) ap_read_config(process_rec *process, apr_pool_t *ptemp,
1595 const char *confname,
1596 ap_directive_t **conftree)
1598 apr_pool_t *p = process->pconf;
1599 server_rec *s = init_server_config(process, p);
1601 init_config_globals(p);
1603 /* All server-wide config files now have the SAME syntax... */
1605 process_command_config(s, ap_server_pre_read_config, conftree,
1608 ap_process_resource_config(s, confname, conftree, p, ptemp);
1610 process_command_config(s, ap_server_post_read_config, conftree,
1616 AP_DECLARE(void) ap_single_module_configure(apr_pool_t *p, server_rec *s,
1619 if (m->create_server_config)
1620 ap_set_module_config(s->module_config, m,
1621 (*m->create_server_config)(p, s));
1622 if (m->create_dir_config)
1623 ap_set_module_config(s->lookup_defaults, m,
1624 (*m->create_dir_config)(p, NULL));
1627 AP_DECLARE(void) ap_run_rewrite_args(process_rec *process)
1631 for (m = ap_top_module; m; m = m->next)
1632 if (m->rewrite_args)
1633 (*m->rewrite_args) (process);
1636 /********************************************************************
1637 * Configuration directives are restricted in terms of where they may
1638 * appear in the main configuration files and/or .htaccess files according
1639 * to the bitmask req_override in the command_rec structure.
1640 * If any of the overrides set in req_override are also allowed in the
1641 * context in which the command is read, then the command is allowed.
1642 * The context is determined as follows:
1644 * inside *.conf --> override = (RSRC_CONF|OR_ALL)&~(OR_AUTHCFG|OR_LIMIT);
1645 * within <Directory> or <Location> --> override = OR_ALL|ACCESS_CONF;
1646 * within .htaccess --> override = AllowOverride for current directory;
1648 * the result is, well, a rather confusing set of possibilities for when
1649 * a particular directive is allowed to be used. This procedure prints
1650 * in English where the given (pc) directive can be used.
1652 static void show_overrides(const command_rec *pc, module *pm)
1656 printf("\tAllowed in *.conf ");
1657 if ((pc->req_override & (OR_OPTIONS | OR_FILEINFO | OR_INDEXES)) ||
1658 ((pc->req_override & RSRC_CONF) &&
1659 ((pc->req_override & (ACCESS_CONF | OR_AUTHCFG | OR_LIMIT)))))
1661 else if (pc->req_override & RSRC_CONF)
1662 printf("only outside <Directory>, <Files> or <Location>");
1664 printf("only inside <Directory>, <Files> or <Location>");
1666 /* Warn if the directive is allowed inside <Directory> or .htaccess
1667 * but module doesn't support per-dir configuration */
1669 if ((pc->req_override & (OR_ALL | ACCESS_CONF)) && !pm->create_dir_config)
1670 printf(" [no per-dir config]");
1672 if (pc->req_override & OR_ALL) {
1673 printf(" and in .htaccess\n\twhen AllowOverride");
1675 if ((pc->req_override & OR_ALL) == OR_ALL)
1676 printf(" isn't None");
1678 printf(" includes ");
1680 if (pc->req_override & OR_AUTHCFG) {
1683 printf("AuthConfig");
1685 if (pc->req_override & OR_LIMIT) {
1690 if (pc->req_override & OR_OPTIONS) {
1695 if (pc->req_override & OR_FILEINFO) {
1700 if (pc->req_override & OR_INDEXES) {
1710 /* Show the preloaded configuration directives, the help string explaining
1711 * the directive arguments, in what module they are handled, and in
1712 * what parts of the configuration they are allowed. Used for httpd -h.
1714 AP_DECLARE(void) ap_show_directives(void)
1716 const command_rec *pc;
1719 for (n = 0; ap_loaded_modules[n]; ++n)
1720 for (pc = ap_loaded_modules[n]->cmds; pc && pc->name; ++pc) {
1721 printf("%s (%s)\n", pc->name, ap_loaded_modules[n]->name);
1723 printf("\t%s\n", pc->errmsg);
1724 show_overrides(pc, ap_loaded_modules[n]);
1728 /* Show the preloaded module names. Used for httpd -l. */
1729 AP_DECLARE(void) ap_show_modules(void)
1733 printf("Compiled in modules:\n");
1734 for (n = 0; ap_loaded_modules[n]; ++n)
1735 printf(" %s\n", ap_loaded_modules[n]->name);