diff options
| author |   hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 03:10:21 -0500 |
|---|---|---|
| committer | hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 03:10:21 -0500 |
| commit | c0b7206652b2852bc574694e7ba07ba1c2acdc00 (patch) | |
| tree | 5cb95cb0e19e03610525903df46279df2c3b7eb1 /rubbos/app/httpd-2.0.64/server/core.c | |
| parent | b6d3d6e668b793220f2d3af1bc3e828553dc3fe6 (diff) | |
delete app
Change-Id: Id4c572809969ebe89e946e88063eaed262cff3f2
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/server/core.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/server/core.c | 4619 |
1 files changed, 0 insertions, 4619 deletions
diff --git a/rubbos/app/httpd-2.0.64/server/core.c b/rubbos/app/httpd-2.0.64/server/core.c deleted file mode 100644 index a6b1b4e6..00000000 --- a/rubbos/app/httpd-2.0.64/server/core.c +++ /dev/null @@ -1,4619 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "apr.h" -#include "apr_strings.h" -#include "apr_lib.h" -#include "apr_fnmatch.h" -#include "apr_hash.h" -#include "apr_thread_proc.h" /* for RLIMIT stuff */ -#include "apr_hooks.h" - -#define APR_WANT_IOVEC -#define APR_WANT_STRFUNC -#define APR_WANT_MEMFUNC -#include "apr_want.h" - -#define CORE_PRIVATE -#include "ap_config.h" -#include "httpd.h" -#include "http_config.h" -#include "http_core.h" -#include "http_protocol.h" /* For index_of_response(). Grump. */ -#include "http_request.h" -#include "http_vhost.h" -#include "http_main.h" /* For the default_handler below... */ -#include "http_log.h" -#include "rfc1413.h" -#include "util_md5.h" -#include "http_connection.h" -#include "apr_buckets.h" -#include "util_filter.h" -#include "util_ebcdic.h" -#include "mpm.h" -#include "mpm_common.h" -#include "scoreboard.h" -#include "mod_core.h" -#include "mod_proxy.h" -#include "ap_listen.h" - -/* LimitRequestBody handling */ -#define AP_LIMIT_REQ_BODY_UNSET ((apr_off_t) -1) -#define AP_DEFAULT_LIMIT_REQ_BODY ((apr_off_t) 0) - -/* LimitXMLRequestBody handling */ -#define AP_LIMIT_UNSET ((long) -1) -#define AP_DEFAULT_LIMIT_XML_BODY ((size_t)1000000) - -#define AP_MIN_SENDFILE_BYTES (256) - -/* maximum include nesting level */ -#ifndef AP_MAX_INCLUDE_DEPTH -#define AP_MAX_INCLUDE_DEPTH (128) -#endif - -APR_HOOK_STRUCT( - APR_HOOK_LINK(get_mgmt_items) -) - -AP_IMPLEMENT_HOOK_RUN_ALL(int, get_mgmt_items, - (apr_pool_t *p, const char *val, apr_hash_t *ht), - (p, val, ht), OK, DECLINED) - -/* Server core module... This module provides support for really basic - * server operations, including options and commands which control the - * operation of other modules. Consider this the bureaucracy module. - * - * The core module also defines handlers, etc., do handle just enough - * to allow a server with the core module ONLY to actually serve documents - * (though it slaps DefaultType on all of 'em); this was useful in testing, - * but may not be worth preserving. - * - * This file could almost be mod_core.c, except for the stuff which affects - * the http_conf_globals. - */ - -/* Handles for core filters */ -AP_DECLARE_DATA ap_filter_rec_t *ap_subreq_core_filter_handle; -AP_DECLARE_DATA ap_filter_rec_t *ap_core_output_filter_handle; -AP_DECLARE_DATA ap_filter_rec_t *ap_content_length_filter_handle; -AP_DECLARE_DATA ap_filter_rec_t *ap_net_time_filter_handle; -AP_DECLARE_DATA ap_filter_rec_t *ap_core_input_filter_handle; - -/* magic pointer for ErrorDocument xxx "default" */ -static char errordocument_default; - -static void *create_core_dir_config(apr_pool_t *a, char *dir) -{ - core_dir_config *conf; - int i; - - conf = (core_dir_config *)apr_pcalloc(a, sizeof(core_dir_config)); - - /* conf->r and conf->d[_*] are initialized by dirsection() or left NULL */ - - conf->opts = dir ? OPT_UNSET : OPT_UNSET|OPT_ALL; - conf->opts_add = conf->opts_remove = OPT_NONE; - conf->override = dir ? OR_UNSET : OR_UNSET|OR_ALL; - - conf->content_md5 = 2; - conf->accept_path_info = 3; - - conf->use_canonical_name = USE_CANONICAL_NAME_UNSET; - - conf->hostname_lookups = HOSTNAME_LOOKUP_UNSET; - conf->do_rfc1413 = DEFAULT_RFC1413 | 2; /* set bit 1 to indicate default */ - conf->satisfy = apr_palloc(a, sizeof(*conf->satisfy) * METHODS); - for (i = 0; i < METHODS; ++i) { - conf->satisfy[i] = SATISFY_NOSPEC; - } - -#ifdef RLIMIT_CPU - conf->limit_cpu = NULL; -#endif -#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS) - conf->limit_mem = NULL; -#endif -#ifdef RLIMIT_NPROC - conf->limit_nproc = NULL; -#endif - - conf->limit_req_body = AP_LIMIT_REQ_BODY_UNSET; - conf->limit_xml_body = AP_LIMIT_UNSET; - conf->sec_file = apr_array_make(a, 2, sizeof(ap_conf_vector_t *)); - - conf->server_signature = srv_sig_unset; - - conf->add_default_charset = ADD_DEFAULT_CHARSET_UNSET; - conf->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME; - - /* Overriding all negotiation - */ - conf->mime_type = NULL; - conf->handler = NULL; - conf->output_filters = NULL; - conf->input_filters = NULL; - - /* - * Flag for use of inodes in ETags. - */ - conf->etag_bits = ETAG_UNSET; - conf->etag_add = ETAG_UNSET; - conf->etag_remove = ETAG_UNSET; - - conf->enable_mmap = ENABLE_MMAP_UNSET; - conf->enable_sendfile = ENABLE_SENDFILE_UNSET; - conf->allow_encoded_slashes = 0; - - return (void *)conf; -} - -/* - * Overlay one hash table of ct_output_filters onto another - */ -static void *merge_ct_filters(apr_pool_t *p, - const void *key, - apr_ssize_t klen, - const void *overlay_val, - const void *base_val, - const void *data) -{ - ap_filter_rec_t *cur; - const ap_filter_rec_t *overlay_info = (const ap_filter_rec_t *)overlay_val; - const ap_filter_rec_t *base_info = (const ap_filter_rec_t *)base_val; - - cur = NULL; - - while (overlay_info) { - ap_filter_rec_t *new; - - new = apr_pcalloc(p, sizeof(ap_filter_rec_t)); - new->name = apr_pstrdup(p, overlay_info->name); - new->next = cur; - cur = new; - overlay_info = overlay_info->next; - } - - while (base_info) { - ap_filter_rec_t *f; - int found = 0; - - /* We can't have dups. */ - f = cur; - while (f) { - if (!strcasecmp(base_info->name, f->name)) { - found = 1; - break; - } - - f = f->next; - } - - if (!found) { - f = apr_pcalloc(p, sizeof(ap_filter_rec_t)); - f->name = apr_pstrdup(p, base_info->name); - f->next = cur; - cur = f; - } - - base_info = base_info->next; - } - - return cur; -} - -static void *merge_core_dir_configs(apr_pool_t *a, void *basev, void *newv) -{ - core_dir_config *base = (core_dir_config *)basev; - core_dir_config *new = (core_dir_config *)newv; - core_dir_config *conf; - int i; - - /* Create this conf by duplicating the base, replacing elements - * (or creating copies for merging) where new-> values exist. - */ - conf = (core_dir_config *)apr_palloc(a, sizeof(core_dir_config)); - memcpy(conf, base, sizeof(core_dir_config)); - - conf->d = new->d; - conf->d_is_fnmatch = new->d_is_fnmatch; - conf->d_components = new->d_components; - conf->r = new->r; - - if (new->opts & OPT_UNSET) { - /* there was no explicit setting of new->opts, so we merge - * preserve the invariant (opts_add & opts_remove) == 0 - */ - conf->opts_add = (conf->opts_add & ~new->opts_remove) | new->opts_add; - conf->opts_remove = (conf->opts_remove & ~new->opts_add) - | new->opts_remove; - conf->opts = (conf->opts & ~conf->opts_remove) | conf->opts_add; - if ((base->opts & OPT_INCNOEXEC) && (new->opts & OPT_INCLUDES)) { - conf->opts = (conf->opts & ~OPT_INCNOEXEC) | OPT_INCLUDES; - } - } - else { - /* otherwise we just copy, because an explicit opts setting - * overrides all earlier +/- modifiers - */ - conf->opts = new->opts; - conf->opts_add = new->opts_add; - conf->opts_remove = new->opts_remove; - } - - if (!(new->override & OR_UNSET)) { - conf->override = new->override; - } - - if (new->ap_default_type) { - conf->ap_default_type = new->ap_default_type; - } - - if (new->ap_auth_type) { - conf->ap_auth_type = new->ap_auth_type; - } - - if (new->ap_auth_name) { - conf->ap_auth_name = new->ap_auth_name; - } - - if (new->ap_requires) { - conf->ap_requires = new->ap_requires; - } - - if (conf->response_code_strings == NULL) { - conf->response_code_strings = new->response_code_strings; - } - else if (new->response_code_strings != NULL) { - /* If we merge, the merge-result must have it's own array - */ - conf->response_code_strings = apr_palloc(a, - sizeof(*conf->response_code_strings) * RESPONSE_CODES); - memcpy(conf->response_code_strings, base->response_code_strings, - sizeof(*conf->response_code_strings) * RESPONSE_CODES); - - for (i = 0; i < RESPONSE_CODES; ++i) { - if (new->response_code_strings[i] != NULL) { - conf->response_code_strings[i] = new->response_code_strings[i]; - } - } - } - /* Otherwise we simply use the base->response_code_strings array - */ - - if (new->hostname_lookups != HOSTNAME_LOOKUP_UNSET) { - conf->hostname_lookups = new->hostname_lookups; - } - - if ((new->do_rfc1413 & 2) == 0) { - conf->do_rfc1413 = new->do_rfc1413; - } - - if ((new->content_md5 & 2) == 0) { - conf->content_md5 = new->content_md5; - } - - if (new->accept_path_info != 3) { - conf->accept_path_info = new->accept_path_info; - } - - if (new->use_canonical_name != USE_CANONICAL_NAME_UNSET) { - conf->use_canonical_name = new->use_canonical_name; - } - -#ifdef RLIMIT_CPU - if (new->limit_cpu) { - conf->limit_cpu = new->limit_cpu; - } -#endif - -#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS) - if (new->limit_mem) { - conf->limit_mem = new->limit_mem; - } -#endif - -#ifdef RLIMIT_NPROC - if (new->limit_nproc) { - conf->limit_nproc = new->limit_nproc; - } -#endif - - if (new->limit_req_body != AP_LIMIT_REQ_BODY_UNSET) { - conf->limit_req_body = new->limit_req_body; - } - - if (new->limit_xml_body != AP_LIMIT_UNSET) - conf->limit_xml_body = new->limit_xml_body; - else - conf->limit_xml_body = base->limit_xml_body; - - if (!conf->sec_file) { - conf->sec_file = new->sec_file; - } - else if (new->sec_file) { - /* If we merge, the merge-result must have it's own array - */ - conf->sec_file = apr_array_append(a, base->sec_file, new->sec_file); - } - /* Otherwise we simply use the base->sec_file array - */ - - /* use a separate ->satisfy[] array either way */ - conf->satisfy = apr_palloc(a, sizeof(*conf->satisfy) * METHODS); - for (i = 0; i < METHODS; ++i) { - if (new->satisfy[i] != SATISFY_NOSPEC) { - conf->satisfy[i] = new->satisfy[i]; - } else { - conf->satisfy[i] = base->satisfy[i]; - } - } - - if (new->server_signature != srv_sig_unset) { - conf->server_signature = new->server_signature; - } - - if (new->add_default_charset != ADD_DEFAULT_CHARSET_UNSET) { - conf->add_default_charset = new->add_default_charset; - conf->add_default_charset_name = new->add_default_charset_name; - } - - /* Overriding all negotiation - */ - if (new->mime_type) { - conf->mime_type = new->mime_type; - } - - if (new->handler) { - conf->handler = new->handler; - } - - if (new->output_filters) { - conf->output_filters = new->output_filters; - } - - if (new->input_filters) { - conf->input_filters = new->input_filters; - } - - if (conf->ct_output_filters && new->ct_output_filters) { - conf->ct_output_filters = apr_hash_merge(a, - new->ct_output_filters, - conf->ct_output_filters, - merge_ct_filters, - NULL); - } - else if (new->ct_output_filters) { - conf->ct_output_filters = apr_hash_copy(a, new->ct_output_filters); - } - else if (conf->ct_output_filters) { - /* That memcpy above isn't enough. */ - conf->ct_output_filters = apr_hash_copy(a, base->ct_output_filters); - } - - /* - * Now merge the setting of the FileETag directive. - */ - if (new->etag_bits == ETAG_UNSET) { - conf->etag_add = - (conf->etag_add & (~ new->etag_remove)) | new->etag_add; - conf->etag_remove = - (conf->opts_remove & (~ new->etag_add)) | new->etag_remove; - conf->etag_bits = - (conf->etag_bits & (~ conf->etag_remove)) | conf->etag_add; - } - else { - conf->etag_bits = new->etag_bits; - conf->etag_add = new->etag_add; - conf->etag_remove = new->etag_remove; - } - - if (conf->etag_bits != ETAG_NONE) { - conf->etag_bits &= (~ ETAG_NONE); - } - - if (new->enable_mmap != ENABLE_MMAP_UNSET) { - conf->enable_mmap = new->enable_mmap; - } - - if (new->enable_sendfile != ENABLE_SENDFILE_UNSET) { - conf->enable_sendfile = new->enable_sendfile; - } - - conf->allow_encoded_slashes = new->allow_encoded_slashes; - - return (void*)conf; -} - -static void *create_core_server_config(apr_pool_t *a, server_rec *s) -{ - core_server_config *conf; - int is_virtual = s->is_virtual; - - conf = (core_server_config *)apr_pcalloc(a, sizeof(core_server_config)); - -#ifdef GPROF - conf->gprof_dir = NULL; -#endif - - conf->access_name = is_virtual ? NULL : DEFAULT_ACCESS_FNAME; - conf->ap_document_root = is_virtual ? NULL : DOCUMENT_LOCATION; - conf->sec_dir = apr_array_make(a, 40, sizeof(ap_conf_vector_t *)); - conf->sec_url = apr_array_make(a, 40, sizeof(ap_conf_vector_t *)); - - /* recursion stopper */ - conf->redirect_limit = 0; /* 0 == unset */ - conf->subreq_limit = 0; - - conf->trace_enable = AP_TRACE_UNSET; - - return (void *)conf; -} - -static void *merge_core_server_configs(apr_pool_t *p, void *basev, void *virtv) -{ - core_server_config *base = (core_server_config *)basev; - core_server_config *virt = (core_server_config *)virtv; - core_server_config *conf; - - conf = (core_server_config *)apr_palloc(p, sizeof(core_server_config)); - memcpy(conf, virt, sizeof(core_server_config)); - - if (!conf->access_name) { - conf->access_name = base->access_name; - } - - if (!conf->ap_document_root) { - conf->ap_document_root = base->ap_document_root; - } - - conf->sec_dir = apr_array_append(p, base->sec_dir, virt->sec_dir); - conf->sec_url = apr_array_append(p, base->sec_url, virt->sec_url); - - conf->redirect_limit = virt->redirect_limit - ? virt->redirect_limit - : base->redirect_limit; - - conf->subreq_limit = virt->subreq_limit - ? virt->subreq_limit - : base->subreq_limit; - - conf->trace_enable = (virt->trace_enable != AP_TRACE_UNSET) - ? virt->trace_enable - : base->trace_enable; - - return conf; -} - -/* Add per-directory configuration entry (for <directory> section); - * these are part of the core server config. - */ - -AP_CORE_DECLARE(void) ap_add_per_dir_conf(server_rec *s, void *dir_config) -{ - core_server_config *sconf = ap_get_module_config(s->module_config, - &core_module); - void **new_space = (void **)apr_array_push(sconf->sec_dir); - - *new_space = dir_config; -} - -AP_CORE_DECLARE(void) ap_add_per_url_conf(server_rec *s, void *url_config) -{ - core_server_config *sconf = ap_get_module_config(s->module_config, - &core_module); - void **new_space = (void **)apr_array_push(sconf->sec_url); - - *new_space = url_config; -} - -AP_CORE_DECLARE(void) ap_add_file_conf(core_dir_config *conf, void *url_config) -{ - void **new_space = (void **)apr_array_push(conf->sec_file); - - *new_space = url_config; -} - -/* We need to do a stable sort, qsort isn't stable. So to make it stable - * we'll be maintaining the original index into the list, and using it - * as the minor key during sorting. The major key is the number of - * components (where the root component is zero). - */ -struct reorder_sort_rec { - ap_conf_vector_t *elt; - int orig_index; -}; - -static int reorder_sorter(const void *va, const void *vb) -{ - const struct reorder_sort_rec *a = va; - const struct reorder_sort_rec *b = vb; - core_dir_config *core_a; - core_dir_config *core_b; - - core_a = ap_get_module_config(a->elt, &core_module); - core_b = ap_get_module_config(b->elt, &core_module); - - /* a regex always sorts after a non-regex - */ - if (!core_a->r && core_b->r) { - return -1; - } - else if (core_a->r && !core_b->r) { - return 1; - } - - /* we always sort next by the number of components - */ - if (core_a->d_components < core_b->d_components) { - return -1; - } - else if (core_a->d_components > core_b->d_components) { - return 1; - } - - /* They have the same number of components, we now have to compare - * the minor key to maintain the original order (from the config.) - */ - return a->orig_index - b->orig_index; -} - -void ap_core_reorder_directories(apr_pool_t *p, server_rec *s) -{ - core_server_config *sconf; - apr_array_header_t *sec_dir; - struct reorder_sort_rec *sortbin; - int nelts; - ap_conf_vector_t **elts; - int i; - apr_pool_t *tmp; - - sconf = ap_get_module_config(s->module_config, &core_module); - sec_dir = sconf->sec_dir; - nelts = sec_dir->nelts; - elts = (ap_conf_vector_t **)sec_dir->elts; - - if (!nelts) { - /* simple case of already being sorted... */ - /* We're not checking this condition to be fast... we're checking - * it to avoid trying to palloc zero bytes, which can trigger some - * memory debuggers to barf - */ - return; - } - - /* we have to allocate tmp space to do a stable sort */ - apr_pool_create(&tmp, p); - sortbin = apr_palloc(tmp, sec_dir->nelts * sizeof(*sortbin)); - for (i = 0; i < nelts; ++i) { - sortbin[i].orig_index = i; - sortbin[i].elt = elts[i]; - } - - qsort(sortbin, nelts, sizeof(*sortbin), reorder_sorter); - - /* and now copy back to the original array */ - for (i = 0; i < nelts; ++i) { - elts[i] = sortbin[i].elt; - } - - apr_pool_destroy(tmp); -} - -/***************************************************************** - * - * There are some elements of the core config structures in which - * other modules have a legitimate interest (this is ugly, but necessary - * to preserve NCSA back-compatibility). So, we have a bunch of accessors - * here... - */ - -AP_DECLARE(int) ap_allow_options(request_rec *r) -{ - core_dir_config *conf = - (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module); - - return conf->opts; -} - -AP_DECLARE(int) ap_allow_overrides(request_rec *r) -{ - core_dir_config *conf; - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->override; -} - -AP_DECLARE(const char *) ap_auth_type(request_rec *r) -{ - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->ap_auth_type; -} - -AP_DECLARE(const char *) ap_auth_name(request_rec *r) -{ - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->ap_auth_name; -} - -AP_DECLARE(const char *) ap_default_type(request_rec *r) -{ - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->ap_default_type - ? conf->ap_default_type - : DEFAULT_CONTENT_TYPE; -} - -AP_DECLARE(const char *) ap_document_root(request_rec *r) /* Don't use this! */ -{ - core_server_config *conf; - - conf = (core_server_config *)ap_get_module_config(r->server->module_config, - &core_module); - - return conf->ap_document_root; -} - -AP_DECLARE(const apr_array_header_t *) ap_requires(request_rec *r) -{ - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->ap_requires; -} - -AP_DECLARE(int) ap_satisfies(request_rec *r) -{ - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - return conf->satisfy[r->method_number]; -} - -/* Should probably just get rid of this... the only code that cares is - * part of the core anyway (and in fact, it isn't publicised to other - * modules). - */ - -char *ap_response_code_string(request_rec *r, int error_index) -{ - core_dir_config *dirconf; - core_request_config *reqconf; - - /* check for string registered via ap_custom_response() first */ - reqconf = (core_request_config *)ap_get_module_config(r->request_config, - &core_module); - if (reqconf->response_code_strings != NULL && - reqconf->response_code_strings[error_index] != NULL) { - return reqconf->response_code_strings[error_index]; - } - - /* check for string specified via ErrorDocument */ - dirconf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - if (dirconf->response_code_strings == NULL) { - return NULL; - } - - if (dirconf->response_code_strings[error_index] == &errordocument_default) { - return NULL; - } - - return dirconf->response_code_strings[error_index]; -} - - -/* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */ -static APR_INLINE void do_double_reverse (conn_rec *conn) -{ - apr_sockaddr_t *sa; - apr_status_t rv; - - if (conn->double_reverse) { - /* already done */ - return; - } - - if (conn->remote_host == NULL || conn->remote_host[0] == '\0') { - /* single reverse failed, so don't bother */ - conn->double_reverse = -1; - return; - } - - rv = apr_sockaddr_info_get(&sa, conn->remote_host, APR_UNSPEC, 0, 0, conn->pool); - if (rv == APR_SUCCESS) { - while (sa) { - if (apr_sockaddr_equal(sa, conn->remote_addr)) { - conn->double_reverse = 1; - return; - } - - sa = sa->next; - } - } - - conn->double_reverse = -1; -} - -AP_DECLARE(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config, - int type, int *str_is_ip) -{ - int hostname_lookups; - - if (str_is_ip) { /* if caller wants to know */ - *str_is_ip = 0; - } - - /* If we haven't checked the host name, and we want to */ - if (dir_config) { - hostname_lookups = - ((core_dir_config *)ap_get_module_config(dir_config, &core_module)) - ->hostname_lookups; - - if (hostname_lookups == HOSTNAME_LOOKUP_UNSET) { - hostname_lookups = HOSTNAME_LOOKUP_OFF; - } - } - else { - /* the default */ - hostname_lookups = HOSTNAME_LOOKUP_OFF; - } - - if (type != REMOTE_NOLOOKUP - && conn->remote_host == NULL - && (type == REMOTE_DOUBLE_REV - || hostname_lookups != HOSTNAME_LOOKUP_OFF)) { - - if (apr_getnameinfo(&conn->remote_host, conn->remote_addr, 0) - == APR_SUCCESS) { - ap_str_tolower(conn->remote_host); - - if (hostname_lookups == HOSTNAME_LOOKUP_DOUBLE) { - do_double_reverse(conn); - if (conn->double_reverse != 1) { - conn->remote_host = NULL; - } - } - } - - /* if failed, set it to the NULL string to indicate error */ - if (conn->remote_host == NULL) { - conn->remote_host = ""; - } - } - - if (type == REMOTE_DOUBLE_REV) { - do_double_reverse(conn); - if (conn->double_reverse == -1) { - return NULL; - } - } - - /* - * Return the desired information; either the remote DNS name, if found, - * or either NULL (if the hostname was requested) or the IP address - * (if any identifier was requested). - */ - if (conn->remote_host != NULL && conn->remote_host[0] != '\0') { - return conn->remote_host; - } - else { - if (type == REMOTE_HOST || type == REMOTE_DOUBLE_REV) { - return NULL; - } - else { - if (str_is_ip) { /* if caller wants to know */ - *str_is_ip = 1; - } - - return conn->remote_ip; - } - } -} - -AP_DECLARE(const char *) ap_get_remote_logname(request_rec *r) -{ - core_dir_config *dir_conf; - - if (r->connection->remote_logname != NULL) { - return r->connection->remote_logname; - } - - /* If we haven't checked the identity, and we want to */ - dir_conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - if (dir_conf->do_rfc1413 & 1) { - return ap_rfc1413(r->connection, r->server); - } - else { - return NULL; - } -} - -/* There are two options regarding what the "name" of a server is. The - * "canonical" name as defined by ServerName and Port, or the "client's - * name" as supplied by a possible Host: header or full URI. We never - * trust the port passed in the client's headers, we always use the - * port of the actual socket. - * - * The DNS option to UseCanonicalName causes this routine to do a - * reverse lookup on the local IP address of the connection and use - * that for the ServerName. This makes its value more reliable while - * at the same time allowing Demon's magic virtual hosting to work. - * The assumption is that DNS lookups are sufficiently quick... - * -- fanf 1998-10-03 - */ -AP_DECLARE(const char *) ap_get_server_name(request_rec *r) -{ - conn_rec *conn = r->connection; - core_dir_config *d; - - d = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - if (d->use_canonical_name == USE_CANONICAL_NAME_OFF) { - return r->hostname ? r->hostname : r->server->server_hostname; - } - - if (d->use_canonical_name == USE_CANONICAL_NAME_DNS) { - if (conn->local_host == NULL) { - if (apr_getnameinfo(&conn->local_host, - conn->local_addr, 0) != APR_SUCCESS) - conn->local_host = apr_pstrdup(conn->pool, - r->server->server_hostname); - else { - ap_str_tolower(conn->local_host); - } - } - - return conn->local_host; - } - - /* default */ - return r->server->server_hostname; -} - -/* - * Get the current server name from the request for the purposes - * of using in a URL. If the server name is an IPv6 literal - * address, it will be returned in URL format (e.g., "[fe80::1]"). - */ -static const char *get_server_name_for_url(request_rec *r) -{ - const char *plain_server_name = ap_get_server_name(r); - -#if APR_HAVE_IPV6 - if (ap_strchr_c(plain_server_name, ':')) { /* IPv6 literal? */ - return apr_psprintf(r->pool, "[%s]", plain_server_name); - } -#endif - return plain_server_name; -} - -AP_DECLARE(apr_port_t) ap_get_server_port(const request_rec *r) -{ - apr_port_t port; - core_dir_config *d = - (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module); - - if (d->use_canonical_name == USE_CANONICAL_NAME_OFF - || d->use_canonical_name == USE_CANONICAL_NAME_DNS) { - - /* With UseCanonicalName off Apache will form self-referential - * URLs using the hostname and port supplied by the client if - * any are supplied (otherwise it will use the canonical name). - */ - port = r->parsed_uri.port_str ? r->parsed_uri.port : - r->server->port ? r->server->port : - ap_default_port(r); - } - else { /* d->use_canonical_name == USE_CANONICAL_NAME_ON */ - - /* With UseCanonicalName on (and in all versions prior to 1.3) - * Apache will use the hostname and port specified in the - * ServerName directive to construct a canonical name for the - * server. (If no port was specified in the ServerName - * directive, Apache uses the port supplied by the client if - * any is supplied, and finally the default port for the protocol - * used. - */ - port = r->server->port ? r->server->port : - r->connection->local_addr->port ? r->connection->local_addr->port : - ap_default_port(r); - } - - /* default */ - return port; -} - -AP_DECLARE(char *) ap_construct_url(apr_pool_t *p, const char *uri, - request_rec *r) -{ - unsigned port = ap_get_server_port(r); - const char *host = get_server_name_for_url(r); - - if (ap_is_default_port(port, r)) { - return apr_pstrcat(p, ap_http_method(r), "://", host, uri, NULL); - } - - return apr_psprintf(p, "%s://%s:%u%s", ap_http_method(r), host, port, uri); -} - -AP_DECLARE(apr_off_t) ap_get_limit_req_body(const request_rec *r) -{ - core_dir_config *d = - (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module); - - if (d->limit_req_body == AP_LIMIT_REQ_BODY_UNSET) { - return AP_DEFAULT_LIMIT_REQ_BODY; - } - - return d->limit_req_body; -} - - -/***************************************************************** - * - * Commands... this module handles almost all of the NCSA httpd.conf - * commands, but most of the old srm.conf is in the the modules. - */ - - -/* returns a parent if it matches the given directive */ -static const ap_directive_t * find_parent(const ap_directive_t *dirp, - const char *what) -{ - while (dirp->parent != NULL) { - dirp = dirp->parent; - - /* ### it would be nice to have atom-ized directives */ - if (strcasecmp(dirp->directive, what) == 0) - return dirp; - } - - return NULL; -} - -AP_DECLARE(const char *) ap_check_cmd_context(cmd_parms *cmd, - unsigned forbidden) -{ - const char *gt = (cmd->cmd->name[0] == '<' - && cmd->cmd->name[strlen(cmd->cmd->name)-1] != '>') - ? ">" : ""; - const ap_directive_t *found; - - if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) { - return apr_pstrcat(cmd->pool, cmd->cmd->name, gt, - " cannot occur within <VirtualHost> section", NULL); - } - - if ((forbidden & NOT_IN_LIMIT) && cmd->limited != -1) { - return apr_pstrcat(cmd->pool, cmd->cmd->name, gt, - " cannot occur within <Limit> section", NULL); - } - - if ((forbidden & NOT_IN_DIR_LOC_FILE) == NOT_IN_DIR_LOC_FILE) { - if (cmd->path != NULL) { - return apr_pstrcat(cmd->pool, cmd->cmd->name, gt, - " cannot occur within <Directory/Location/Files> " - "section", NULL); - } - if (cmd->cmd->req_override & EXEC_ON_READ) { - /* EXEC_ON_READ must be NOT_IN_DIR_LOC_FILE, if not, it will - * (deliberately) segfault below in the individual tests... - */ - return NULL; - } - } - - if (((forbidden & NOT_IN_DIRECTORY) - && ((found = find_parent(cmd->directive, "<Directory")) - || (found = find_parent(cmd->directive, "<DirectoryMatch")))) - || ((forbidden & NOT_IN_LOCATION) - && ((found = find_parent(cmd->directive, "<Location")) - || (found = find_parent(cmd->directive, "<LocationMatch")))) - || ((forbidden & NOT_IN_FILES) - && ((found = find_parent(cmd->directive, "<Files")) - || (found = find_parent(cmd->directive, "<FilesMatch"))))) { - return apr_pstrcat(cmd->pool, cmd->cmd->name, gt, - " cannot occur within ", found->directive, - "> section", NULL); - } - - return NULL; -} - -static const char *set_access_name(cmd_parms *cmd, void *dummy, - const char *arg) -{ - void *sconf = cmd->server->module_config; - core_server_config *conf = ap_get_module_config(sconf, &core_module); - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - conf->access_name = apr_pstrdup(cmd->pool, arg); - return NULL; -} - -#ifdef GPROF -static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, const char *arg) -{ - void *sconf = cmd->server->module_config; - core_server_config *conf = ap_get_module_config(sconf, &core_module); - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - conf->gprof_dir = apr_pstrdup(cmd->pool, arg); - return NULL; -} -#endif /*GPROF*/ - -static const char *set_add_default_charset(cmd_parms *cmd, - void *d_, const char *arg) -{ - core_dir_config *d = d_; - - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - if (!strcasecmp(arg, "Off")) { - d->add_default_charset = ADD_DEFAULT_CHARSET_OFF; - } - else if (!strcasecmp(arg, "On")) { - d->add_default_charset = ADD_DEFAULT_CHARSET_ON; - d->add_default_charset_name = DEFAULT_ADD_DEFAULT_CHARSET_NAME; - } - else { - d->add_default_charset = ADD_DEFAULT_CHARSET_ON; - d->add_default_charset_name = arg; - } - - return NULL; -} - -static const char *set_document_root(cmd_parms *cmd, void *dummy, - const char *arg) -{ - void *sconf = cmd->server->module_config; - core_server_config *conf = ap_get_module_config(sconf, &core_module); - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - /* TODO: ap_configtestonly && ap_docrootcheck && */ - /* XXX Shouldn't this be relative to ServerRoot ??? */ - if (apr_filepath_merge((char**)&conf->ap_document_root, NULL, arg, - APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS - || !ap_is_directory(cmd->pool, arg)) { - if (cmd->server->is_virtual) { - ap_log_perror(APLOG_MARK, APLOG_STARTUP, 0, - cmd->pool, - "Warning: DocumentRoot [%s] does not exist", - arg); - conf->ap_document_root = arg; - } - else { - return "DocumentRoot must be a directory"; - } - } - return NULL; -} - -AP_DECLARE(void) ap_custom_response(request_rec *r, int status, - const char *string) -{ - core_request_config *conf = - ap_get_module_config(r->request_config, &core_module); - int idx; - - if (conf->response_code_strings == NULL) { - conf->response_code_strings = - apr_pcalloc(r->pool, - sizeof(*conf->response_code_strings) * RESPONSE_CODES); - } - - idx = ap_index_of_response(status); - - conf->response_code_strings[idx] = - ((ap_is_url(string) || (*string == '/')) && (*string != '"')) ? - apr_pstrdup(r->pool, string) : apr_pstrcat(r->pool, "\"", string, NULL); -} - -static const char *set_error_document(cmd_parms *cmd, void *conf_, - const char *errno_str, const char *msg) -{ - core_dir_config *conf = conf_; - int error_number, index_number, idx500; - enum { MSG, LOCAL_PATH, REMOTE_PATH } what = MSG; - - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - /* 1st parameter should be a 3 digit number, which we recognize; - * convert it into an array index - */ - error_number = atoi(errno_str); - idx500 = ap_index_of_response(HTTP_INTERNAL_SERVER_ERROR); - - if (error_number == HTTP_INTERNAL_SERVER_ERROR) { - index_number = idx500; - } - else if ((index_number = ap_index_of_response(error_number)) == idx500) { - return apr_pstrcat(cmd->pool, "Unsupported HTTP response code ", - errno_str, NULL); - } - - /* Heuristic to determine second argument. */ - if (ap_strchr_c(msg,' ')) - what = MSG; - else if (msg[0] == '/') - what = LOCAL_PATH; - else if (ap_is_url(msg)) - what = REMOTE_PATH; - else - what = MSG; - - /* The entry should be ignored if it is a full URL for a 401 error */ - - if (error_number == 401 && what == REMOTE_PATH) { - ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server, - "cannot use a full URL in a 401 ErrorDocument " - "directive --- ignoring!"); - } - else { /* Store it... */ - if (conf->response_code_strings == NULL) { - conf->response_code_strings = - apr_pcalloc(cmd->pool, - sizeof(*conf->response_code_strings) * - RESPONSE_CODES); - } - - if (strcmp(msg, "default") == 0) { - /* special case: ErrorDocument 404 default restores the - * canned server error response - */ - conf->response_code_strings[index_number] = &errordocument_default; - } - else { - /* hack. Prefix a " if it is a msg; as that is what - * http_protocol.c relies on to distinguish between - * a msg and a (local) path. - */ - conf->response_code_strings[index_number] = (what == MSG) ? - apr_pstrcat(cmd->pool, "\"",msg,NULL) : - apr_pstrdup(cmd->pool, msg); - } - } - - return NULL; -} - -static const char *set_override(cmd_parms *cmd, void *d_, const char *l) -{ - core_dir_config *d = d_; - char *w; - - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - d->override = OR_NONE; - while (l[0]) { - w = ap_getword_conf(cmd->pool, &l); - if (!strcasecmp(w, "Limit")) { - d->override |= OR_LIMIT; - } - else if (!strcasecmp(w, "Options")) { - d->override |= OR_OPTIONS; - } - else if (!strcasecmp(w, "FileInfo")) { - d->override |= OR_FILEINFO; - } - else if (!strcasecmp(w, "AuthConfig")) { - d->override |= OR_AUTHCFG; - } - else if (!strcasecmp(w, "Indexes")) { - d->override |= OR_INDEXES; - } - else if (!strcasecmp(w, "None")) { - d->override = OR_NONE; - } - else if (!strcasecmp(w, "All")) { - d->override = OR_ALL; - } - else { - return apr_pstrcat(cmd->pool, "Illegal override option ", w, NULL); - } - - d->override &= ~OR_UNSET; - } - - return NULL; -} - -static const char *set_options(cmd_parms *cmd, void *d_, const char *l) -{ - core_dir_config *d = d_; - allow_options_t opt; - int first = 1; - char action; - - while (l[0]) { - char *w = ap_getword_conf(cmd->pool, &l); - action = '\0'; - - if (*w == '+' || *w == '-') { - action = *(w++); - } - else if (first) { - d->opts = OPT_NONE; - first = 0; - } - - if (!strcasecmp(w, "Indexes")) { - opt = OPT_INDEXES; - } - else if (!strcasecmp(w, "Includes")) { - opt = OPT_INCLUDES; - } - else if (!strcasecmp(w, "IncludesNOEXEC")) { - opt = (OPT_INCLUDES | OPT_INCNOEXEC); - } - else if (!strcasecmp(w, "FollowSymLinks")) { - opt = OPT_SYM_LINKS; - } - else if (!strcasecmp(w, "SymLinksIfOwnerMatch")) { - opt = OPT_SYM_OWNER; - } - else if (!strcasecmp(w, "execCGI")) { - opt = OPT_EXECCGI; - } - else if (!strcasecmp(w, "MultiViews")) { - opt = OPT_MULTI; - } - else if (!strcasecmp(w, "RunScripts")) { /* AI backcompat. Yuck */ - opt = OPT_MULTI|OPT_EXECCGI; - } - else if (!strcasecmp(w, "None")) { - opt = OPT_NONE; - } - else if (!strcasecmp(w, "All")) { - opt = OPT_ALL; - } - else { - return apr_pstrcat(cmd->pool, "Illegal option ", w, NULL); - } - - /* we ensure the invariant (d->opts_add & d->opts_remove) == 0 */ - if (action == '-') { - d->opts_remove |= opt; - d->opts_add &= ~opt; - d->opts &= ~opt; - } - else if (action == '+') { - d->opts_add |= opt; - d->opts_remove &= ~opt; - d->opts |= opt; - } - else { - d->opts |= opt; - } - } - - return NULL; -} - -/* - * Note what data should be used when forming file ETag values. - * It would be nicer to do this as an ITERATE, but then we couldn't - * remember the +/- state properly. - */ -static const char *set_etag_bits(cmd_parms *cmd, void *mconfig, - const char *args_p) -{ - core_dir_config *cfg; - etag_components_t bit; - char action; - char *token; - const char *args; - int valid; - int first; - int explicit; - - cfg = (core_dir_config *)mconfig; - - args = args_p; - first = 1; - explicit = 0; - while (args[0] != '\0') { - action = '*'; - bit = ETAG_UNSET; - valid = 1; - token = ap_getword_conf(cmd->pool, &args); - if ((*token == '+') || (*token == '-')) { - action = *token; - token++; - } - else { - /* - * The occurrence of an absolute setting wipes - * out any previous relative ones. The first such - * occurrence forgets any inherited ones, too. - */ - if (first) { - cfg->etag_bits = ETAG_UNSET; - cfg->etag_add = ETAG_UNSET; - cfg->etag_remove = ETAG_UNSET; - first = 0; - } - } - - if (strcasecmp(token, "None") == 0) { - if (action != '*') { - valid = 0; - } - else { - cfg->etag_bits = bit = ETAG_NONE; - explicit = 1; - } - } - else if (strcasecmp(token, "All") == 0) { - if (action != '*') { - valid = 0; - } - else { - explicit = 1; - cfg->etag_bits = bit = ETAG_ALL; - } - } - else if (strcasecmp(token, "Size") == 0) { - bit = ETAG_SIZE; - } - else if ((strcasecmp(token, "LMTime") == 0) - || (strcasecmp(token, "MTime") == 0) - || (strcasecmp(token, "LastModified") == 0)) { - bit = ETAG_MTIME; - } - else if (strcasecmp(token, "INode") == 0) { - bit = ETAG_INODE; - } - else { - return apr_pstrcat(cmd->pool, "Unknown keyword '", - token, "' for ", cmd->cmd->name, - " directive", NULL); - } - - if (! valid) { - return apr_pstrcat(cmd->pool, cmd->cmd->name, " keyword '", - token, "' cannot be used with '+' or '-'", - NULL); - } - - if (action == '+') { - /* - * Make sure it's in the 'add' list and absent from the - * 'subtract' list. - */ - cfg->etag_add |= bit; - cfg->etag_remove &= (~ bit); - } - else if (action == '-') { - cfg->etag_remove |= bit; - cfg->etag_add &= (~ bit); - } - else { - /* - * Non-relative values wipe out any + or - values - * accumulated so far. - */ - cfg->etag_bits |= bit; - cfg->etag_add = ETAG_UNSET; - cfg->etag_remove = ETAG_UNSET; - explicit = 1; - } - } - - /* - * Any setting at all will clear the 'None' and 'Unset' bits. - */ - - if (cfg->etag_add != ETAG_UNSET) { - cfg->etag_add &= (~ ETAG_UNSET); - } - - if (cfg->etag_remove != ETAG_UNSET) { - cfg->etag_remove &= (~ ETAG_UNSET); - } - - if (explicit) { - cfg->etag_bits &= (~ ETAG_UNSET); - - if ((cfg->etag_bits & ETAG_NONE) != ETAG_NONE) { - cfg->etag_bits &= (~ ETAG_NONE); - } - } - - return NULL; -} - -static const char *set_enable_mmap(cmd_parms *cmd, void *d_, - const char *arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - if (strcasecmp(arg, "on") == 0) { - d->enable_mmap = ENABLE_MMAP_ON; - } - else if (strcasecmp(arg, "off") == 0) { - d->enable_mmap = ENABLE_MMAP_OFF; - } - else { - return "parameter must be 'on' or 'off'"; - } - - return NULL; -} - -static const char *set_enable_sendfile(cmd_parms *cmd, void *d_, - const char *arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - if (strcasecmp(arg, "on") == 0) { - d->enable_sendfile = ENABLE_SENDFILE_ON; - } - else if (strcasecmp(arg, "off") == 0) { - d->enable_sendfile = ENABLE_SENDFILE_OFF; - } - else { - return "parameter must be 'on' or 'off'"; - } - - return NULL; -} - -static const char *satisfy(cmd_parms *cmd, void *c_, const char *arg) -{ - core_dir_config *c = c_; - int satisfy = SATISFY_NOSPEC; - int i; - - if (!strcasecmp(arg, "all")) { - satisfy = SATISFY_ALL; - } - else if (!strcasecmp(arg, "any")) { - satisfy = SATISFY_ANY; - } - else { - return "Satisfy either 'any' or 'all'."; - } - - for (i = 0; i < METHODS; ++i) { - if (cmd->limited & (AP_METHOD_BIT << i)) { - c->satisfy[i] = satisfy; - } - } - - return NULL; -} - -static const char *require(cmd_parms *cmd, void *c_, const char *arg) -{ - require_line *r; - core_dir_config *c = c_; - - if (!c->ap_requires) { - c->ap_requires = apr_array_make(cmd->pool, 2, sizeof(require_line)); - } - - r = (require_line *)apr_array_push(c->ap_requires); - r->requirement = apr_pstrdup(cmd->pool, arg); - r->method_mask = cmd->limited; - - return NULL; -} - -AP_CORE_DECLARE_NONSTD(const char *) ap_limit_section(cmd_parms *cmd, - void *dummy, - const char *arg) -{ - const char *limited_methods = ap_getword(cmd->pool, &arg, '>'); - void *tog = cmd->cmd->cmd_data; - apr_int64_t limited = 0; - const char *errmsg; - - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - while (limited_methods[0]) { - char *method = ap_getword_conf(cmd->pool, &limited_methods); - int methnum; - - /* check for builtin or module registered method number */ - methnum = ap_method_number_of(method); - - if (methnum == M_TRACE && !tog) { - return "TRACE cannot be controlled by <Limit>, see TraceEnable"; - } - else if (methnum == M_INVALID) { - /* method has not been registered yet, but resorce restriction - * is always checked before method handling, so register it. - */ - methnum = ap_method_register(cmd->pool, method); - } - - limited |= (AP_METHOD_BIT << methnum); - } - - /* Killing two features with one function, - * if (tog == NULL) <Limit>, else <LimitExcept> - */ - cmd->limited = tog ? ~limited : limited; - - errmsg = ap_walk_config(cmd->directive->first_child, cmd, cmd->context); - - cmd->limited = -1; - - return errmsg; -} - -/* XXX: Bogus - need to do this differently (at least OS2/Netware suffer - * the same problem!!! - * We use this in <DirectoryMatch> and <FilesMatch>, to ensure that - * people don't get bitten by wrong-cased regex matches - */ - -#ifdef WIN32 -#define USE_ICASE REG_ICASE -#else -#define USE_ICASE 0 -#endif - -/* - * Report a missing-'>' syntax error. - */ -static char *unclosed_directive(cmd_parms *cmd) -{ - return apr_pstrcat(cmd->pool, cmd->cmd->name, - "> directive missing closing '>'", NULL); -} - -static const char *dirsection(cmd_parms *cmd, void *mconfig, const char *arg) -{ - const char *errmsg; - const char *endp = ap_strrchr_c(arg, '>'); - int old_overrides = cmd->override; - char *old_path = cmd->path; - core_dir_config *conf; - ap_conf_vector_t *new_dir_conf = ap_create_per_dir_config(cmd->pool); - regex_t *r = NULL; - const command_rec *thiscmd = cmd->cmd; - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - if (!arg) { - if (thiscmd->cmd_data) - return "<DirectoryMatch > block must specify a path"; - else - return "<Directory > block must specify a path"; - } - - cmd->path = ap_getword_conf(cmd->pool, &arg); - cmd->override = OR_ALL|ACCESS_CONF; - - if (!strcmp(cmd->path, "~")) { - cmd->path = ap_getword_conf(cmd->pool, &arg); - if (!cmd->path) - return "<Directory ~ > block must specify a path"; - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE); - if (!r) { - return "Regex could not be compiled"; - } - } - else if (thiscmd->cmd_data) { /* <DirectoryMatch> */ - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE); - if (!r) { - return "Regex could not be compiled"; - } - } - else if (!strcmp(cmd->path, "/") == 0) - { - char *newpath; - - /* - * Ensure that the pathname is canonical, and append the trailing / - */ - apr_status_t rv = apr_filepath_merge(&newpath, NULL, cmd->path, - APR_FILEPATH_TRUENAME, cmd->pool); - if (rv != APR_SUCCESS && rv != APR_EPATHWILD) { - return apr_pstrcat(cmd->pool, "<Directory \"", cmd->path, - "\"> path is invalid.", NULL); - } - - cmd->path = newpath; - if (cmd->path[strlen(cmd->path) - 1] != '/') - cmd->path = apr_pstrcat(cmd->pool, cmd->path, "/", NULL); - } - - /* initialize our config and fetch it */ - conf = ap_set_config_vectors(cmd->server, new_dir_conf, cmd->path, - &core_module, cmd->pool); - - errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_dir_conf); - if (errmsg != NULL) - return errmsg; - - conf->r = r; - conf->d = cmd->path; - conf->d_is_fnmatch = (apr_fnmatch_test(conf->d) != 0); - - /* Make this explicit - the "/" root has 0 elements, that is, we - * will always merge it, and it will always sort and merge first. - * All others are sorted and tested by the number of slashes. - */ - if (strcmp(conf->d, "/") == 0) - conf->d_components = 0; - else - conf->d_components = ap_count_dirs(conf->d); - - ap_add_per_dir_conf(cmd->server, new_dir_conf); - - if (*arg != '\0') { - return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name, - "> arguments not (yet) supported.", NULL); - } - - cmd->path = old_path; - cmd->override = old_overrides; - - return NULL; -} - -static const char *urlsection(cmd_parms *cmd, void *mconfig, const char *arg) -{ - const char *errmsg; - const char *endp = ap_strrchr_c(arg, '>'); - int old_overrides = cmd->override; - char *old_path = cmd->path; - core_dir_config *conf; - regex_t *r = NULL; - const command_rec *thiscmd = cmd->cmd; - ap_conf_vector_t *new_url_conf = ap_create_per_dir_config(cmd->pool); - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - cmd->path = ap_getword_conf(cmd->pool, &arg); - cmd->override = OR_ALL|ACCESS_CONF; - - if (thiscmd->cmd_data) { /* <LocationMatch> */ - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED); - if (!r) { - return "Regex could not be compiled"; - } - } - else if (!strcmp(cmd->path, "~")) { - cmd->path = ap_getword_conf(cmd->pool, &arg); - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED); - if (!r) { - return "Regex could not be compiled"; - } - } - - /* initialize our config and fetch it */ - conf = ap_set_config_vectors(cmd->server, new_url_conf, cmd->path, - &core_module, cmd->pool); - - errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_url_conf); - if (errmsg != NULL) - return errmsg; - - conf->d = apr_pstrdup(cmd->pool, cmd->path); /* No mangling, please */ - conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0; - conf->r = r; - - ap_add_per_url_conf(cmd->server, new_url_conf); - - if (*arg != '\0') { - return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name, - "> arguments not (yet) supported.", NULL); - } - - cmd->path = old_path; - cmd->override = old_overrides; - - return NULL; -} - -static const char *filesection(cmd_parms *cmd, void *mconfig, const char *arg) -{ - const char *errmsg; - const char *endp = ap_strrchr_c(arg, '>'); - int old_overrides = cmd->override; - char *old_path = cmd->path; - core_dir_config *conf; - regex_t *r = NULL; - const command_rec *thiscmd = cmd->cmd; - core_dir_config *c = mconfig; - ap_conf_vector_t *new_file_conf = ap_create_per_dir_config(cmd->pool); - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_LOCATION); - - if (err != NULL) { - return err; - } - - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - cmd->path = ap_getword_conf(cmd->pool, &arg); - /* Only if not an .htaccess file */ - if (!old_path) { - cmd->override = OR_ALL|ACCESS_CONF; - } - - if (thiscmd->cmd_data) { /* <FilesMatch> */ - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE); - if (!r) { - return "Regex could not be compiled"; - } - } - else if (!strcmp(cmd->path, "~")) { - cmd->path = ap_getword_conf(cmd->pool, &arg); - r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE); - if (!r) { - return "Regex could not be compiled"; - } - } - else { - char *newpath; - /* Ensure that the pathname is canonical, but we - * can't test the case/aliases without a fixed path */ - if (apr_filepath_merge(&newpath, "", cmd->path, - 0, cmd->pool) != APR_SUCCESS) - return apr_pstrcat(cmd->pool, "<Files \"", cmd->path, - "\"> is invalid.", NULL); - cmd->path = newpath; - } - - /* initialize our config and fetch it */ - conf = ap_set_config_vectors(cmd->server, new_file_conf, cmd->path, - &core_module, cmd->pool); - - errmsg = ap_walk_config(cmd->directive->first_child, cmd, new_file_conf); - if (errmsg != NULL) - return errmsg; - - conf->d = cmd->path; - conf->d_is_fnmatch = apr_fnmatch_test(conf->d) != 0; - conf->r = r; - - ap_add_file_conf(c, new_file_conf); - - if (*arg != '\0') { - return apr_pstrcat(cmd->pool, "Multiple ", thiscmd->name, - "> arguments not (yet) supported.", NULL); - } - - cmd->path = old_path; - cmd->override = old_overrides; - - return NULL; -} - -static const char *start_ifmod(cmd_parms *cmd, void *mconfig, const char *arg) -{ - const char *endp = ap_strrchr_c(arg, '>'); - int not = (arg[0] == '!'); - module *found; - - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - if (not) { - arg++; - } - - found = ap_find_linked_module(arg); - - if ((!not && found) || (not && !found)) { - ap_directive_t *parent = NULL; - ap_directive_t *current = NULL; - const char *retval; - - retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd, - ¤t, &parent, "<IfModule"); - *(ap_directive_t **)mconfig = current; - return retval; - } - else { - *(ap_directive_t **)mconfig = NULL; - return ap_soak_end_container(cmd, "<IfModule"); - } -} - -AP_DECLARE(int) ap_exists_config_define(const char *name) -{ - char **defines; - int i; - - defines = (char **)ap_server_config_defines->elts; - for (i = 0; i < ap_server_config_defines->nelts; i++) { - if (strcmp(defines[i], name) == 0) { - return 1; - } - } - - return 0; -} - -static const char *start_ifdefine(cmd_parms *cmd, void *dummy, const char *arg) -{ - const char *endp; - int defined; - int not = 0; - - endp = ap_strrchr_c(arg, '>'); - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - if (arg[0] == '!') { - not = 1; - arg++; - } - - defined = ap_exists_config_define(arg); - if ((!not && defined) || (not && !defined)) { - ap_directive_t *parent = NULL; - ap_directive_t *current = NULL; - const char *retval; - - retval = ap_build_cont_config(cmd->pool, cmd->temp_pool, cmd, - ¤t, &parent, "<IfDefine"); - *(ap_directive_t **)dummy = current; - return retval; - } - else { - *(ap_directive_t **)dummy = NULL; - return ap_soak_end_container(cmd, "<IfDefine"); - } -} - -/* httpd.conf commands... beginning with the <VirtualHost> business */ - -static const char *virtualhost_section(cmd_parms *cmd, void *dummy, - const char *arg) -{ - server_rec *main_server = cmd->server, *s; - const char *errmsg; - const char *endp = ap_strrchr_c(arg, '>'); - apr_pool_t *p = cmd->pool; - - const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); - if (err != NULL) { - return err; - } - - if (endp == NULL) { - return unclosed_directive(cmd); - } - - arg = apr_pstrndup(cmd->pool, arg, endp - arg); - - /* FIXME: There's another feature waiting to happen here -- since you - can now put multiple addresses/names on a single <VirtualHost> - you might want to use it to group common definitions and then - define other "subhosts" with their individual differences. But - personally I'd rather just do it with a macro preprocessor. -djg */ - if (main_server->is_virtual) { - return "<VirtualHost> doesn't nest!"; - } - - errmsg = ap_init_virtual_host(p, arg, main_server, &s); - if (errmsg) { - return errmsg; - } - - s->next = main_server->next; - main_server->next = s; - - s->defn_name = cmd->directive->filename; - s->defn_line_number = cmd->directive->line_num; - - cmd->server = s; - - errmsg = ap_walk_config(cmd->directive->first_child, cmd, - s->lookup_defaults); - - cmd->server = main_server; - - return errmsg; -} - -static const char *set_server_alias(cmd_parms *cmd, void *dummy, - const char *arg) -{ - if (!cmd->server->names) { - return "ServerAlias only used in <VirtualHost>"; - } - - while (*arg) { - char **item, *name = ap_getword_conf(cmd->pool, &arg); - - if (ap_is_matchexp(name)) { - item = (char **)apr_array_push(cmd->server->wild_names); - } - else { - item = (char **)apr_array_push(cmd->server->names); - } - - *item = name; - } - - return NULL; -} - -static const char *set_server_string_slot(cmd_parms *cmd, void *dummy, - const char *arg) -{ - /* This one's pretty generic... */ - - int offset = (int)(long)cmd->info; - char *struct_ptr = (char *)cmd->server; - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - *(const char **)(struct_ptr + offset) = arg; - return NULL; -} - -static const char *server_hostname_port(cmd_parms *cmd, void *dummy, const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - const char *portstr; - int port; - - if (err != NULL) { - return err; - } - - portstr = ap_strchr_c(arg, ':'); - if (portstr) { - cmd->server->server_hostname = apr_pstrndup(cmd->pool, arg, - portstr - arg); - portstr++; - port = atoi(portstr); - if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */ - return apr_pstrcat(cmd->temp_pool, "The port number \"", arg, - "\" is outside the appropriate range " - "(i.e., 1..65535).", NULL); - } - } - else { - cmd->server->server_hostname = apr_pstrdup(cmd->pool, arg); - port = 0; - } - - cmd->server->port = port; - return NULL; -} - -static const char *set_signature_flag(cmd_parms *cmd, void *d_, - const char *arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - if (strcasecmp(arg, "On") == 0) { - d->server_signature = srv_sig_on; - } - else if (strcasecmp(arg, "Off") == 0) { - d->server_signature = srv_sig_off; - } - else if (strcasecmp(arg, "EMail") == 0) { - d->server_signature = srv_sig_withmail; - } - else { - return "ServerSignature: use one of: off | on | email"; - } - - return NULL; -} - -static const char *set_server_root(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); - - if (err != NULL) { - return err; - } - - if ((apr_filepath_merge((char**)&ap_server_root, NULL, arg, - APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS) - || !ap_is_directory(cmd->pool, ap_server_root)) { - return "ServerRoot must be a valid directory"; - } - - return NULL; -} - -static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - cmd->server->timeout = apr_time_from_sec(atoi(arg)); - return NULL; -} - -static const char *set_idcheck(cmd_parms *cmd, void *d_, int arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - d->do_rfc1413 = arg != 0; - return NULL; -} - -static const char *set_allow2f(cmd_parms *cmd, void *d_, int arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - d->allow_encoded_slashes = arg != 0; - return NULL; -} - -static const char *set_hostname_lookups(cmd_parms *cmd, void *d_, - const char *arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - if (!strcasecmp(arg, "on")) { - d->hostname_lookups = HOSTNAME_LOOKUP_ON; - } - else if (!strcasecmp(arg, "off")) { - d->hostname_lookups = HOSTNAME_LOOKUP_OFF; - } - else if (!strcasecmp(arg, "double")) { - d->hostname_lookups = HOSTNAME_LOOKUP_DOUBLE; - } - else { - return "parameter must be 'on', 'off', or 'double'"; - } - - return NULL; -} - -static const char *set_serverpath(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - cmd->server->path = arg; - cmd->server->pathlen = strlen(arg); - return NULL; -} - -static const char *set_content_md5(cmd_parms *cmd, void *d_, int arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - d->content_md5 = arg != 0; - return NULL; -} - -static const char *set_accept_path_info(cmd_parms *cmd, void *d_, const char *arg) -{ - core_dir_config *d = d_; - - if (strcasecmp(arg, "on") == 0) { - d->accept_path_info = AP_REQ_ACCEPT_PATH_INFO; - } - else if (strcasecmp(arg, "off") == 0) { - d->accept_path_info = AP_REQ_REJECT_PATH_INFO; - } - else if (strcasecmp(arg, "default") == 0) { - d->accept_path_info = AP_REQ_DEFAULT_PATH_INFO; - } - else { - return "AcceptPathInfo must be set to on, off or default"; - } - - return NULL; -} - -static const char *set_use_canonical_name(cmd_parms *cmd, void *d_, - const char *arg) -{ - core_dir_config *d = d_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - if (strcasecmp(arg, "on") == 0) { - d->use_canonical_name = USE_CANONICAL_NAME_ON; - } - else if (strcasecmp(arg, "off") == 0) { - d->use_canonical_name = USE_CANONICAL_NAME_OFF; - } - else if (strcasecmp(arg, "dns") == 0) { - d->use_canonical_name = USE_CANONICAL_NAME_DNS; - } - else { - return "parameter must be 'on', 'off', or 'dns'"; - } - - return NULL; -} - - -static const char *include_config (cmd_parms *cmd, void *dummy, - const char *name) -{ - ap_directive_t *conftree = NULL; - const char* conffile; - unsigned *recursion; - void *data; - - apr_pool_userdata_get(&data, "ap_include_sentinel", cmd->pool); - if (data) { - recursion = data; - } - else { - data = recursion = apr_palloc(cmd->pool, sizeof(*recursion)); - *recursion = 0; - apr_pool_userdata_setn(data, "ap_include_sentinel", NULL, cmd->pool); - } - - if (++*recursion > AP_MAX_INCLUDE_DEPTH) { - *recursion = 0; - return apr_psprintf(cmd->pool, "Exceeded maximum include depth of %u. " - "You have probably a recursion somewhere.", - AP_MAX_INCLUDE_DEPTH); - } - - conffile = ap_server_root_relative(cmd->pool, name); - if (!conffile) { - *recursion = 0; - return apr_pstrcat(cmd->pool, "Invalid Include path ", - name, NULL); - } - - ap_process_resource_config(cmd->server, conffile, - &conftree, cmd->pool, cmd->temp_pool); - *(ap_directive_t **)dummy = conftree; - - /* recursion level done */ - if (*recursion) { - --*recursion; - } - - return NULL; -} - -static const char *set_loglevel(cmd_parms *cmd, void *dummy, const char *arg) -{ - char *str; - - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - if (err != NULL) { - return err; - } - - if ((str = ap_getword_conf(cmd->pool, &arg))) { - if (!strcasecmp(str, "emerg")) { - cmd->server->loglevel = APLOG_EMERG; - } - else if (!strcasecmp(str, "alert")) { - cmd->server->loglevel = APLOG_ALERT; - } - else if (!strcasecmp(str, "crit")) { - cmd->server->loglevel = APLOG_CRIT; - } - else if (!strcasecmp(str, "error")) { - cmd->server->loglevel = APLOG_ERR; - } - else if (!strcasecmp(str, "warn")) { - cmd->server->loglevel = APLOG_WARNING; - } - else if (!strcasecmp(str, "notice")) { - cmd->server->loglevel = APLOG_NOTICE; - } - else if (!strcasecmp(str, "info")) { - cmd->server->loglevel = APLOG_INFO; - } - else if (!strcasecmp(str, "debug")) { - cmd->server->loglevel = APLOG_DEBUG; - } - else { - return "LogLevel requires level keyword: one of " - "emerg/alert/crit/error/warn/notice/info/debug"; - } - } - else { - return "LogLevel requires level keyword"; - } - - return NULL; -} - -AP_DECLARE(const char *) ap_psignature(const char *prefix, request_rec *r) -{ - char sport[20]; - core_dir_config *conf; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - if ((conf->server_signature == srv_sig_off) - || (conf->server_signature == srv_sig_unset)) { - return ""; - } - - apr_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r)); - - if (conf->server_signature == srv_sig_withmail) { - return apr_pstrcat(r->pool, prefix, "<address>", - ap_get_server_version(), - " Server at <a href=\"", - ap_is_url(r->server->server_admin) ? "" : "mailto:", - ap_escape_html(r->pool, r->server->server_admin), - "\">", - ap_escape_html(r->pool, ap_get_server_name(r)), - "</a> Port ", sport, - "</address>\n", NULL); - } - - return apr_pstrcat(r->pool, prefix, "<address>", ap_get_server_version(), - " Server at ", - ap_escape_html(r->pool, ap_get_server_name(r)), - " Port ", sport, - "</address>\n", NULL); -} - -/* - * Load an authorisation realm into our location configuration, applying the - * usual rules that apply to realms. - */ -static const char *set_authname(cmd_parms *cmd, void *mconfig, - const char *word1) -{ - core_dir_config *aconfig = (core_dir_config *)mconfig; - - aconfig->ap_auth_name = ap_escape_quotes(cmd->pool, word1); - return NULL; -} - -#ifdef _OSD_POSIX /* BS2000 Logon Passwd file */ -static const char *set_bs2000_account(cmd_parms *cmd, void *dummy, char *name) -{ - const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); - if (err != NULL) { - return err; - } - - return os_set_account(cmd->pool, name); -} -#endif /*_OSD_POSIX*/ - -/* - * Handle a request to include the server's OS platform in the Server - * response header field (the ServerTokens directive). Unfortunately - * this requires a new global in order to communicate the setting back to - * http_main so it can insert the information in the right place in the - * string. - */ - -static char *server_version = NULL; -static int version_locked = 0; - -enum server_token_type { - SrvTk_MAJOR, /* eg: Apache/2 */ - SrvTk_MINOR, /* eg. Apache/2.0 */ - SrvTk_MINIMAL, /* eg: Apache/2.0.41 */ - SrvTk_OS, /* eg: Apache/2.0.41 (UNIX) */ - SrvTk_FULL, /* eg: Apache/2.0.41 (UNIX) PHP/4.2.2 FooBar/1.2b */ - SrvTk_PRODUCT_ONLY /* eg: Apache */ -}; -static enum server_token_type ap_server_tokens = SrvTk_FULL; - -static apr_status_t reset_version(void *dummy) -{ - version_locked = 0; - ap_server_tokens = SrvTk_FULL; - server_version = NULL; - return APR_SUCCESS; -} - -AP_DECLARE(void) ap_get_server_revision(ap_version_t *version) -{ - version->major = AP_SERVER_MAJORVERSION_NUMBER; - version->minor = AP_SERVER_MINORVERSION_NUMBER; - version->patch = AP_SERVER_PATCHLEVEL_NUMBER; - version->add_string = AP_SERVER_ADD_STRING; -} - -AP_DECLARE(const char *) ap_get_server_version(void) -{ - return (server_version ? server_version : AP_SERVER_BASEVERSION); -} - -AP_DECLARE(void) ap_add_version_component(apr_pool_t *pconf, const char *component) -{ - if (! version_locked) { - /* - * If the version string is null, register our cleanup to reset the - * pointer on pool destruction. We also know that, if NULL, - * we are adding the original SERVER_BASEVERSION string. - */ - if (server_version == NULL) { - apr_pool_cleanup_register(pconf, NULL, reset_version, - apr_pool_cleanup_null); - server_version = apr_pstrdup(pconf, component); - } - else { - /* - * Tack the given component identifier to the end of - * the existing string. - */ - server_version = apr_pstrcat(pconf, server_version, " ", - component, NULL); - } - } -} - -/* - * This routine adds the real server base identity to the version string, - * and then locks out changes until the next reconfig. - */ -static void ap_set_version(apr_pool_t *pconf) -{ - if (ap_server_tokens == SrvTk_PRODUCT_ONLY) { - ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT); - } - else if (ap_server_tokens == SrvTk_MINIMAL) { - ap_add_version_component(pconf, AP_SERVER_BASEVERSION); - } - else if (ap_server_tokens == SrvTk_MINOR) { - ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MINORREVISION); - } - else if (ap_server_tokens == SrvTk_MAJOR) { - ap_add_version_component(pconf, AP_SERVER_BASEPRODUCT "/" AP_SERVER_MAJORVERSION); - } - else { - ap_add_version_component(pconf, AP_SERVER_BASEVERSION " (" PLATFORM ")"); - } - - /* - * Lock the server_version string if we're not displaying - * the full set of tokens - */ - if (ap_server_tokens != SrvTk_FULL) { - version_locked++; - } -} - -static const char *set_serv_tokens(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); - - if (err != NULL) { - return err; - } - - if (!strcasecmp(arg, "OS")) { - ap_server_tokens = SrvTk_OS; - } - else if (!strcasecmp(arg, "Min") || !strcasecmp(arg, "Minimal")) { - ap_server_tokens = SrvTk_MINIMAL; - } - else if (!strcasecmp(arg, "Major")) { - ap_server_tokens = SrvTk_MAJOR; - } - else if (!strcasecmp(arg, "Minor") ) { - ap_server_tokens = SrvTk_MINOR; - } - else if (!strcasecmp(arg, "Prod") || !strcasecmp(arg, "ProductOnly")) { - ap_server_tokens = SrvTk_PRODUCT_ONLY; - } - else { - ap_server_tokens = SrvTk_FULL; - } - - return NULL; -} - -static const char *set_limit_req_line(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - int lim; - - if (err != NULL) { - return err; - } - - lim = atoi(arg); - if (lim < 0) { - return apr_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg, - "\" must be a non-negative integer", NULL); - } - - cmd->server->limit_req_line = lim; - return NULL; -} - -static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - int lim; - - if (err != NULL) { - return err; - } - - lim = atoi(arg); - if (lim < 0) { - return apr_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg, - "\" must be a non-negative integer", - NULL); - } - - cmd->server->limit_req_fieldsize = lim; - return NULL; -} - -static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy, - const char *arg) -{ - const char *err = ap_check_cmd_context(cmd, - NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT); - int lim; - - if (err != NULL) { - return err; - } - - lim = atoi(arg); - if (lim < 0) { - return apr_pstrcat(cmd->temp_pool, "LimitRequestFields \"", arg, - "\" must be a non-negative integer (0 = no limit)", - NULL); - } - - cmd->server->limit_req_fields = lim; - return NULL; -} - -static const char *set_limit_req_body(cmd_parms *cmd, void *conf_, - const char *arg) -{ - core_dir_config *conf = conf_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - char *errp; - - if (err != NULL) { - return err; - } - - /* WTF: If strtoul is not portable, then write a replacement. - * Instead we have an idiotic define in httpd.h that prevents - * it from being used even when it is available. Sheesh. - */ - conf->limit_req_body = (apr_off_t)strtol(arg, &errp, 10); - if (*errp != '\0') { - return "LimitRequestBody requires a non-negative integer."; - } - - return NULL; -} - -static const char *set_limit_xml_req_body(cmd_parms *cmd, void *conf_, - const char *arg) -{ - core_dir_config *conf = conf_; - const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT); - - if (err != NULL) { - return err; - } - - conf->limit_xml_body = atol(arg); - if (conf->limit_xml_body < 0) - return "LimitXMLRequestBody requires a non-negative integer."; - - return NULL; -} - -AP_DECLARE(size_t) ap_get_limit_xml_body(const request_rec *r) -{ - core_dir_config *conf; - - conf = ap_get_module_config(r->per_dir_config, &core_module); - if (conf->limit_xml_body == AP_LIMIT_UNSET) - return AP_DEFAULT_LIMIT_XML_BODY; - - return (size_t)conf->limit_xml_body; -} - -#if !defined (RLIMIT_CPU) || !(defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)) || !defined (RLIMIT_NPROC) -static const char *no_set_limit(cmd_parms *cmd, void *conf_, - const char *arg, const char *arg2) -{ - ap_log_error(APLOG_MARK, APLOG_ERR, 0, cmd->server, - "%s not supported on this platform", cmd->cmd->name); - - return NULL; -} -#endif - -#ifdef RLIMIT_CPU -static const char *set_limit_cpu(cmd_parms *cmd, void *conf_, - const char *arg, const char *arg2) -{ - core_dir_config *conf = conf_; - - unixd_set_rlimit(cmd, &conf->limit_cpu, arg, arg2, RLIMIT_CPU); - return NULL; -} -#endif - -#if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS) -static const char *set_limit_mem(cmd_parms *cmd, void *conf_, - const char *arg, const char * arg2) -{ - core_dir_config *conf = conf_; - -#if defined(RLIMIT_AS) - unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2 ,RLIMIT_AS); -#elif defined(RLIMIT_DATA) - unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_DATA); -#elif defined(RLIMIT_VMEM) - unixd_set_rlimit(cmd, &conf->limit_mem, arg, arg2, RLIMIT_VMEM); -#endif - - return NULL; -} -#endif - -#ifdef RLIMIT_NPROC -static const char *set_limit_nproc(cmd_parms *cmd, void *conf_, - const char *arg, const char * arg2) -{ - core_dir_config *conf = conf_; - - unixd_set_rlimit(cmd, &conf->limit_nproc, arg, arg2, RLIMIT_NPROC); - return NULL; -} -#endif - -static const char *set_recursion_limit(cmd_parms *cmd, void *dummy, - const char *arg1, const char *arg2) -{ - core_server_config *conf = ap_get_module_config(cmd->server->module_config, - &core_module); - int limit = atoi(arg1); - - if (limit <= 0) { - return "The recursion limit must be greater than zero."; - } - if (limit < 4) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, - "Limiting internal redirects to very low numbers may " - "cause normal requests to fail."); - } - - conf->redirect_limit = limit; - - if (arg2) { - limit = atoi(arg2); - - if (limit <= 0) { - return "The recursion limit must be greater than zero."; - } - if (limit < 4) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd->server, - "Limiting the subrequest depth to a very low level may" - " cause normal requests to fail."); - } - } - - conf->subreq_limit = limit; - - return NULL; -} - -static void log_backtrace(const request_rec *r) -{ - const request_rec *top = r; - - ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, - "r->uri = %s", r->uri ? r->uri : "(unexpectedly NULL)"); - - while (top && (top->prev || top->main)) { - if (top->prev) { - top = top->prev; - ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, - "redirected from r->uri = %s", - top->uri ? top->uri : "(unexpectedly NULL)"); - } - - if (!top->prev && top->main) { - top = top->main; - ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, - "subrequested from r->uri = %s", - top->uri ? top->uri : "(unexpectedly NULL)"); - } - } -} - -/* - * check whether redirect limit is reached - */ -AP_DECLARE(int) ap_is_recursion_limit_exceeded(const request_rec *r) -{ - core_server_config *conf = ap_get_module_config(r->server->module_config, - &core_module); - const request_rec *top = r; - int redirects = 0, subreqs = 0; - int rlimit = conf->redirect_limit - ? conf->redirect_limit - : AP_DEFAULT_MAX_INTERNAL_REDIRECTS; - int slimit = conf->subreq_limit - ? conf->subreq_limit - : AP_DEFAULT_MAX_SUBREQ_DEPTH; - - - while (top->prev || top->main) { - if (top->prev) { - if (++redirects >= rlimit) { - /* uuh, too much. */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "Request exceeded the limit of %d internal " - "redirects due to probable configuration error. " - "Use 'LimitInternalRecursion' to increase the " - "limit if necessary. Use 'LogLevel debug' to get " - "a backtrace.", rlimit); - - /* post backtrace */ - log_backtrace(r); - - /* return failure */ - return 1; - } - - top = top->prev; - } - - if (!top->prev && top->main) { - if (++subreqs >= slimit) { - /* uuh, too much. */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "Request exceeded the limit of %d subrequest " - "nesting levels due to probable confguration " - "error. Use 'LimitInternalRecursion' to increase " - "the limit if necessary. Use 'LogLevel debug' to " - "get a backtrace.", slimit); - - /* post backtrace */ - log_backtrace(r); - - /* return failure */ - return 1; - } - - top = top->main; - } - } - - /* recursion state: ok */ - return 0; -} - -static const char *add_ct_output_filters(cmd_parms *cmd, void *conf_, - const char *arg, const char *arg2) -{ - core_dir_config *conf = conf_; - ap_filter_rec_t *old, *new = NULL; - const char *filter_name; - - if (!conf->ct_output_filters) { - conf->ct_output_filters = apr_hash_make(cmd->pool); - old = NULL; - } - else { - old = (ap_filter_rec_t*) apr_hash_get(conf->ct_output_filters, arg2, - APR_HASH_KEY_STRING); - } - - while (*arg && - (filter_name = ap_getword(cmd->pool, &arg, ';')) && - strcmp(filter_name, "")) { - new = apr_pcalloc(cmd->pool, sizeof(ap_filter_rec_t)); - new->name = filter_name; - - /* We found something, so let's append it. */ - if (old) { - new->next = old; - } - old = new; - } - - if (!new) { - return "invalid filter name"; - } - - apr_hash_set(conf->ct_output_filters, arg2, APR_HASH_KEY_STRING, new); - - return NULL; -} -/* - * Insert filters requested by the AddOutputFilterByType - * configuration directive. We cannot add filters based - * on content-type until after the handler has started - * to run. Only then do we reliably know the content-type. - */ -void ap_add_output_filters_by_type(request_rec *r) -{ - core_dir_config *conf; - const char *ctype, *ctypes; - - conf = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - /* We can't do anything with proxy requests, no content-types or if - * we don't have a filter configured. - */ - if (r->proxyreq != PROXYREQ_NONE || !r->content_type || - !conf->ct_output_filters) { - return; - } - - ctypes = r->content_type; - - /* We must be able to handle decorated content-types. */ - while (*ctypes && (ctype = ap_getword(r->pool, &ctypes, ';'))) { - ap_filter_rec_t *ct_filter; - ct_filter = apr_hash_get(conf->ct_output_filters, ctype, - APR_HASH_KEY_STRING); - while (ct_filter) { - ap_add_output_filter(ct_filter->name, NULL, r, r->connection); - ct_filter = ct_filter->next; - } - } - - return; -} - -static apr_status_t writev_it_all(apr_socket_t *s, - struct iovec *vec, int nvec, - apr_size_t len, apr_size_t *nbytes) -{ - apr_size_t bytes_written = 0; - apr_status_t rv; - apr_size_t n = len; - int i = 0; - - *nbytes = 0; - - /* XXX handle checking for non-blocking socket */ - while (bytes_written != len) { - rv = apr_sendv(s, vec + i, nvec - i, &n); - bytes_written += n; - if (rv != APR_SUCCESS) - return rv; - - *nbytes += n; - - /* If the write did not complete, adjust the iovecs and issue - * apr_sendv again - */ - if (bytes_written < len) { - /* Skip over the vectors that have already been written */ - apr_size_t cnt = vec[i].iov_len; - while (n >= cnt && i + 1 < nvec) { - i++; - cnt += vec[i].iov_len; - } - - if (n < cnt) { - /* Handle partial write of vec i */ - vec[i].iov_base = (char *) vec[i].iov_base + - (vec[i].iov_len - (cnt - n)); - vec[i].iov_len = cnt -n; - } - } - - n = len - bytes_written; - } - - return APR_SUCCESS; -} - -/* sendfile_it_all() - * send the entire file using sendfile() - * handle partial writes - * return only when all bytes have been sent or an error is encountered. - */ - -#if APR_HAS_SENDFILE -static apr_status_t sendfile_it_all(core_net_rec *c, - apr_file_t *fd, - apr_hdtr_t *hdtr, - apr_off_t file_offset, - apr_size_t file_bytes_left, - apr_size_t total_bytes_left, - apr_size_t *bytes_sent, - apr_int32_t flags) -{ - apr_status_t rv; -#ifdef AP_DEBUG - apr_interval_time_t timeout = 0; -#endif - - AP_DEBUG_ASSERT((apr_socket_timeout_get(c->client_socket, &timeout) - == APR_SUCCESS) - && timeout > 0); /* socket must be in timeout mode */ - - /* Reset the bytes_sent field */ - *bytes_sent = 0; - - do { - apr_size_t tmplen = file_bytes_left; - - rv = apr_sendfile(c->client_socket, fd, hdtr, &file_offset, &tmplen, - flags); - *bytes_sent += tmplen; - total_bytes_left -= tmplen; - if (!total_bytes_left || rv != APR_SUCCESS) { - return rv; /* normal case & error exit */ - } - - AP_DEBUG_ASSERT(total_bytes_left > 0 && tmplen > 0); - - /* partial write, oooh noooo... - * Skip over any header data which was written - */ - while (tmplen && hdtr->numheaders) { - if (tmplen >= hdtr->headers[0].iov_len) { - tmplen -= hdtr->headers[0].iov_len; - --hdtr->numheaders; - ++hdtr->headers; - } - else { - char *iov_base = (char *)hdtr->headers[0].iov_base; - - hdtr->headers[0].iov_len -= tmplen; - iov_base += tmplen; - hdtr->headers[0].iov_base = iov_base; - tmplen = 0; - } - } - - /* Skip over any file data which was written */ - - if (tmplen <= file_bytes_left) { - file_offset += tmplen; - file_bytes_left -= tmplen; - continue; - } - - tmplen -= file_bytes_left; - file_bytes_left = 0; - file_offset = 0; - - /* Skip over any trailer data which was written */ - - while (tmplen && hdtr->numtrailers) { - if (tmplen >= hdtr->trailers[0].iov_len) { - tmplen -= hdtr->trailers[0].iov_len; - --hdtr->numtrailers; - ++hdtr->trailers; - } - else { - char *iov_base = (char *)hdtr->trailers[0].iov_base; - - hdtr->trailers[0].iov_len -= tmplen; - iov_base += tmplen; - hdtr->trailers[0].iov_base = iov_base; - tmplen = 0; - } - } - } while (1); -} -#endif - -/* - * emulate_sendfile() - * Sends the contents of file fd along with header/trailer bytes, if any, - * to the network. emulate_sendfile will return only when all the bytes have been - * sent (i.e., it handles partial writes) or on a network error condition. - */ -static apr_status_t emulate_sendfile(core_net_rec *c, apr_file_t *fd, - apr_hdtr_t *hdtr, apr_off_t offset, - apr_size_t length, apr_size_t *nbytes) -{ - apr_status_t rv = APR_SUCCESS; - apr_int32_t togo; /* Remaining number of bytes in the file to send */ - apr_size_t sendlen = 0; - apr_size_t bytes_sent; - apr_int32_t i; - apr_off_t o; /* Track the file offset for partial writes */ - char buffer[8192]; - - *nbytes = 0; - - /* Send the headers - * writev_it_all handles partial writes. - * XXX: optimization... if headers are less than MIN_WRITE_SIZE, copy - * them into buffer - */ - if (hdtr && hdtr->numheaders > 0 ) { - for (i = 0; i < hdtr->numheaders; i++) { - sendlen += hdtr->headers[i].iov_len; - } - - rv = writev_it_all(c->client_socket, hdtr->headers, hdtr->numheaders, - sendlen, &bytes_sent); - if (rv == APR_SUCCESS) - *nbytes += bytes_sent; /* track total bytes sent */ - } - - /* Seek the file to 'offset' */ - if (offset >= 0 && rv == APR_SUCCESS) { - rv = apr_file_seek(fd, APR_SET, &offset); - } - - /* Send the file, making sure to handle partial writes */ - togo = length; - while (rv == APR_SUCCESS && togo) { - sendlen = togo > sizeof(buffer) ? sizeof(buffer) : togo; - o = 0; - rv = apr_file_read(fd, buffer, &sendlen); - while (rv == APR_SUCCESS && sendlen) { - bytes_sent = sendlen; - rv = apr_send(c->client_socket, &buffer[o], &bytes_sent); - if (rv == APR_SUCCESS) { - sendlen -= bytes_sent; /* sendlen != bytes_sent ==> partial write */ - o += bytes_sent; /* o is where we are in the buffer */ - *nbytes += bytes_sent; - togo -= bytes_sent; /* track how much of the file we've sent */ - } - } - } - - /* Send the trailers - * XXX: optimization... if it will fit, send this on the last send in the - * loop above - */ - sendlen = 0; - if ( rv == APR_SUCCESS && hdtr && hdtr->numtrailers > 0 ) { - for (i = 0; i < hdtr->numtrailers; i++) { - sendlen += hdtr->trailers[i].iov_len; - } - rv = writev_it_all(c->client_socket, hdtr->trailers, hdtr->numtrailers, - sendlen, &bytes_sent); - if (rv == APR_SUCCESS) - *nbytes += bytes_sent; - } - - return rv; -} - -static const char *set_trace_enable(cmd_parms *cmd, void *dummy, - const char *arg1) -{ - core_server_config *conf = ap_get_module_config(cmd->server->module_config, - &core_module); - - if (strcasecmp(arg1, "on") == 0) { - conf->trace_enable = AP_TRACE_ENABLE; - } - else if (strcasecmp(arg1, "off") == 0) { - conf->trace_enable = AP_TRACE_DISABLE; - } - else if (strcasecmp(arg1, "extended") == 0) { - conf->trace_enable = AP_TRACE_EXTENDED; - } - else { - return "TraceEnable must be one of 'on', 'off', or 'extended'"; - } - - return NULL; -} - -/* Note --- ErrorDocument will now work from .htaccess files. - * The AllowOverride of Fileinfo allows webmasters to turn it off - */ - -static const command_rec core_cmds[] = { - -/* Old access config file commands */ - -AP_INIT_RAW_ARGS("<Directory", dirsection, NULL, RSRC_CONF, - "Container for directives affecting resources located in the specified " - "directories"), -AP_INIT_RAW_ARGS("<Location", urlsection, NULL, RSRC_CONF, - "Container for directives affecting resources accessed through the " - "specified URL paths"), -AP_INIT_RAW_ARGS("<VirtualHost", virtualhost_section, NULL, RSRC_CONF, - "Container to map directives to a particular virtual host, takes one or " - "more host addresses"), -AP_INIT_RAW_ARGS("<Files", filesection, NULL, OR_ALL, - "Container for directives affecting files matching specified patterns"), -AP_INIT_RAW_ARGS("<Limit", ap_limit_section, NULL, OR_ALL, - "Container for authentication directives when accessed using specified HTTP " - "methods"), -AP_INIT_RAW_ARGS("<LimitExcept", ap_limit_section, (void*)1, OR_ALL, - "Container for authentication directives to be applied when any HTTP " - "method other than those specified is used to access the resource"), -AP_INIT_TAKE1("<IfModule", start_ifmod, NULL, EXEC_ON_READ | OR_ALL, - "Container for directives based on existance of specified modules"), -AP_INIT_TAKE1("<IfDefine", start_ifdefine, NULL, EXEC_ON_READ | OR_ALL, - "Container for directives based on existance of command line defines"), -AP_INIT_RAW_ARGS("<DirectoryMatch", dirsection, (void*)1, RSRC_CONF, - "Container for directives affecting resources located in the " - "specified directories"), -AP_INIT_RAW_ARGS("<LocationMatch", urlsection, (void*)1, RSRC_CONF, - "Container for directives affecting resources accessed through the " - "specified URL paths"), -AP_INIT_RAW_ARGS("<FilesMatch", filesection, (void*)1, OR_ALL, - "Container for directives affecting files matching specified patterns"), -AP_INIT_TAKE1("AuthType", ap_set_string_slot, - (void*)APR_OFFSETOF(core_dir_config, ap_auth_type), OR_AUTHCFG, - "An HTTP authorization type (e.g., \"Basic\")"), -AP_INIT_TAKE1("AuthName", set_authname, NULL, OR_AUTHCFG, - "The authentication realm (e.g. \"Members Only\")"), -AP_INIT_RAW_ARGS("Require", require, NULL, OR_AUTHCFG, - "Selects which authenticated users or groups may access a protected space"), -AP_INIT_TAKE1("Satisfy", satisfy, NULL, OR_AUTHCFG, - "access policy if both allow and require used ('all' or 'any')"), -#ifdef GPROF -AP_INIT_TAKE1("GprofDir", set_gprof_dir, NULL, RSRC_CONF, - "Directory to plop gmon.out files"), -#endif -AP_INIT_TAKE1("AddDefaultCharset", set_add_default_charset, NULL, OR_FILEINFO, - "The name of the default charset to add to any Content-Type without one or 'Off' to disable"), -AP_INIT_TAKE1("AcceptPathInfo", set_accept_path_info, NULL, OR_FILEINFO, - "Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference"), - -/* Old resource config file commands */ - -AP_INIT_RAW_ARGS("AccessFileName", set_access_name, NULL, RSRC_CONF, - "Name(s) of per-directory config files (default: .htaccess)"), -AP_INIT_TAKE1("DocumentRoot", set_document_root, NULL, RSRC_CONF, - "Root directory of the document tree"), -AP_INIT_TAKE2("ErrorDocument", set_error_document, NULL, OR_FILEINFO, - "Change responses for HTTP errors"), -AP_INIT_RAW_ARGS("AllowOverride", set_override, NULL, ACCESS_CONF, - "Controls what groups of directives can be configured by per-directory " - "config files"), -AP_INIT_RAW_ARGS("Options", set_options, NULL, OR_OPTIONS, - "Set a number of attributes for a given directory"), -AP_INIT_TAKE1("DefaultType", ap_set_string_slot, - (void*)APR_OFFSETOF(core_dir_config, ap_default_type), - OR_FILEINFO, "the default MIME type for untypable files"), -AP_INIT_RAW_ARGS("FileETag", set_etag_bits, NULL, OR_FILEINFO, - "Specify components used to construct a file's ETag"), -AP_INIT_TAKE1("EnableMMAP", set_enable_mmap, NULL, OR_FILEINFO, - "Controls whether memory-mapping may be used to read files"), -AP_INIT_TAKE1("EnableSendfile", set_enable_sendfile, NULL, OR_FILEINFO, - "Controls whether sendfile may be used to transmit files"), - -/* Old server config file commands */ - -AP_INIT_TAKE1("Port", ap_set_deprecated, NULL, RSRC_CONF, - "Port was replaced with Listen in Apache 2.0"), -AP_INIT_TAKE1("HostnameLookups", set_hostname_lookups, NULL, - ACCESS_CONF|RSRC_CONF, - "\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to " - "enable double-reverse DNS lookups"), -AP_INIT_TAKE1("ServerAdmin", set_server_string_slot, - (void *)APR_OFFSETOF(server_rec, server_admin), RSRC_CONF, - "The email address of the server administrator"), -AP_INIT_TAKE1("ServerName", server_hostname_port, NULL, RSRC_CONF, - "The hostname and port of the server"), -AP_INIT_TAKE1("ServerSignature", set_signature_flag, NULL, OR_ALL, - "En-/disable server signature (on|off|email)"), -AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ, - "Common directory of server-related files (logs, confs, etc.)"), -AP_INIT_TAKE1("ErrorLog", set_server_string_slot, - (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF, - "The filename of the error log"), -AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF, - "A name or names alternately used to access the server"), -AP_INIT_TAKE1("ServerPath", set_serverpath, NULL, RSRC_CONF, - "The pathname the server can be reached at"), -AP_INIT_TAKE1("Timeout", set_timeout, NULL, RSRC_CONF, - "Timeout duration (sec)"), -AP_INIT_FLAG("IdentityCheck", set_idcheck, NULL, RSRC_CONF|ACCESS_CONF, - "Enable identd (RFC 1413) user lookups - SLOW"), -AP_INIT_FLAG("ContentDigest", set_content_md5, NULL, OR_OPTIONS, - "whether or not to send a Content-MD5 header with each request"), -AP_INIT_TAKE1("UseCanonicalName", set_use_canonical_name, NULL, - RSRC_CONF|ACCESS_CONF, - "How to work out the ServerName : Port when constructing URLs"), -/* TODO: RlimitFoo should all be part of mod_cgi, not in the core */ -/* TODO: ListenBacklog in MPM */ -AP_INIT_TAKE1("Include", include_config, NULL, - (RSRC_CONF | ACCESS_CONF | EXEC_ON_READ), - "Name of the config file to be included"), -AP_INIT_TAKE1("LogLevel", set_loglevel, NULL, RSRC_CONF, - "Level of verbosity in error logging"), -AP_INIT_TAKE1("NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF, - "A numeric IP address:port, or the name of a host"), -#ifdef _OSD_POSIX -AP_INIT_TAKE1("BS2000Account", set_bs2000_account, NULL, RSRC_CONF, - "Name of server User's bs2000 logon account name"), -#endif -AP_INIT_TAKE1("ServerTokens", set_serv_tokens, NULL, RSRC_CONF, - "Determine tokens displayed in the Server: header - Min(imal), OS or Full"), -AP_INIT_TAKE1("LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF, - "Limit on maximum size of an HTTP request line"), -AP_INIT_TAKE1("LimitRequestFieldsize", set_limit_req_fieldsize, NULL, - RSRC_CONF, - "Limit on maximum size of an HTTP request header field"), -AP_INIT_TAKE1("LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF, - "Limit (0 = unlimited) on max number of header fields in a request message"), -AP_INIT_TAKE1("LimitRequestBody", set_limit_req_body, - (void*)APR_OFFSETOF(core_dir_config, limit_req_body), OR_ALL, - "Limit (in bytes) on maximum size of request message body"), -AP_INIT_TAKE1("LimitXMLRequestBody", set_limit_xml_req_body, NULL, OR_ALL, - "Limit (in bytes) on maximum size of an XML-based request " - "body"), - -/* System Resource Controls */ -#ifdef RLIMIT_CPU -AP_INIT_TAKE12("RLimitCPU", set_limit_cpu, - (void*)APR_OFFSETOF(core_dir_config, limit_cpu), - OR_ALL, "Soft/hard limits for max CPU usage in seconds"), -#else -AP_INIT_TAKE12("RLimitCPU", no_set_limit, NULL, - OR_ALL, "Soft/hard limits for max CPU usage in seconds"), -#endif -#if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_AS) -AP_INIT_TAKE12("RLimitMEM", set_limit_mem, - (void*)APR_OFFSETOF(core_dir_config, limit_mem), - OR_ALL, "Soft/hard limits for max memory usage per process"), -#else -AP_INIT_TAKE12("RLimitMEM", no_set_limit, NULL, - OR_ALL, "Soft/hard limits for max memory usage per process"), -#endif -#ifdef RLIMIT_NPROC -AP_INIT_TAKE12("RLimitNPROC", set_limit_nproc, - (void*)APR_OFFSETOF(core_dir_config, limit_nproc), - OR_ALL, "soft/hard limits for max number of processes per uid"), -#else -AP_INIT_TAKE12("RLimitNPROC", no_set_limit, NULL, - OR_ALL, "soft/hard limits for max number of processes per uid"), -#endif - -/* internal recursion stopper */ -AP_INIT_TAKE12("LimitInternalRecursion", set_recursion_limit, NULL, RSRC_CONF, - "maximum recursion depth of internal redirects and subrequests"), - -AP_INIT_TAKE1("ForceType", ap_set_string_slot_lower, - (void *)APR_OFFSETOF(core_dir_config, mime_type), OR_FILEINFO, - "a mime type that overrides other configured type"), -AP_INIT_TAKE1("SetHandler", ap_set_string_slot_lower, - (void *)APR_OFFSETOF(core_dir_config, handler), OR_FILEINFO, - "a handler name that overrides any other configured handler"), -AP_INIT_TAKE1("SetOutputFilter", ap_set_string_slot, - (void *)APR_OFFSETOF(core_dir_config, output_filters), OR_FILEINFO, - "filter (or ; delimited list of filters) to be run on the request content"), -AP_INIT_TAKE1("SetInputFilter", ap_set_string_slot, - (void *)APR_OFFSETOF(core_dir_config, input_filters), OR_FILEINFO, - "filter (or ; delimited list of filters) to be run on the request body"), -AP_INIT_ITERATE2("AddOutputFilterByType", add_ct_output_filters, - (void *)APR_OFFSETOF(core_dir_config, ct_output_filters), OR_FILEINFO, - "output filter name followed by one or more content-types"), -AP_INIT_FLAG("AllowEncodedSlashes", set_allow2f, NULL, RSRC_CONF, - "Allow URLs containing '/' encoded as '%2F'"), - -/* - * These are default configuration directives that mpms can/should - * pay attention to. If an mpm wishes to use these, they should - * #defined them in mpm.h. - */ -#ifdef AP_MPM_WANT_SET_PIDFILE -AP_INIT_TAKE1("PidFile", ap_mpm_set_pidfile, NULL, RSRC_CONF, - "A file for logging the server process ID"), -#endif -#ifdef AP_MPM_WANT_SET_SCOREBOARD -AP_INIT_TAKE1("ScoreBoardFile", ap_mpm_set_scoreboard, NULL, RSRC_CONF, - "A file for Apache to maintain runtime process management information"), -#endif -#ifdef AP_MPM_WANT_SET_LOCKFILE -AP_INIT_TAKE1("LockFile", ap_mpm_set_lockfile, NULL, RSRC_CONF, - "The lockfile used when Apache needs to lock the accept() call"), -#endif -#ifdef AP_MPM_WANT_SET_MAX_REQUESTS -AP_INIT_TAKE1("MaxRequestsPerChild", ap_mpm_set_max_requests, NULL, RSRC_CONF, - "Maximum number of requests a particular child serves before dying."), -#endif -#ifdef AP_MPM_WANT_SET_COREDUMPDIR -AP_INIT_TAKE1("CoreDumpDirectory", ap_mpm_set_coredumpdir, NULL, RSRC_CONF, - "The location of the directory Apache changes to before dumping core"), -#endif -#ifdef AP_MPM_WANT_SET_ACCEPT_LOCK_MECH -AP_INIT_TAKE1("AcceptMutex", ap_mpm_set_accept_lock_mech, NULL, RSRC_CONF, - ap_valid_accept_mutex_string), -#endif -#ifdef AP_MPM_WANT_SET_MAX_MEM_FREE -AP_INIT_TAKE1("MaxMemFree", ap_mpm_set_max_mem_free, NULL, RSRC_CONF, - "Maximum number of 1k blocks a particular childs allocator may hold."), -#endif -#if AP_ENABLE_EXCEPTION_HOOK -AP_INIT_TAKE1("EnableExceptionHook", ap_mpm_set_exception_hook, NULL, RSRC_CONF, - "Controls whether exception hook may be called after a crash"), -#endif -AP_INIT_TAKE1("TraceEnable", set_trace_enable, NULL, RSRC_CONF, - "'on' (default), 'off' or 'extended' to trace request body content"), -{ NULL } -}; - -/***************************************************************** - * - * Core handlers for various phases of server operation... - */ - -AP_DECLARE_NONSTD(int) ap_core_translate(request_rec *r) -{ - void *sconf = r->server->module_config; - core_server_config *conf = ap_get_module_config(sconf, &core_module); - - /* XXX this seems too specific, this should probably become - * some general-case test - */ - if (r->proxyreq) { - return HTTP_FORBIDDEN; - } - if (!r->uri || ((r->uri[0] != '/') && strcmp(r->uri, "*"))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "Invalid URI in request %s", r->the_request); - return HTTP_BAD_REQUEST; - } - - if (r->server->path - && !strncmp(r->uri, r->server->path, r->server->pathlen) - && (r->server->path[r->server->pathlen - 1] == '/' - || r->uri[r->server->pathlen] == '/' - || r->uri[r->server->pathlen] == '\0')) - { - /* skip all leading /'s (e.g. http://localhost///foo) - * so we are looking at only the relative path. - */ - char *path = r->uri + r->server->pathlen; - while (*path == '/') { - ++path; - } - if (apr_filepath_merge(&r->filename, conf->ap_document_root, path, - APR_FILEPATH_TRUENAME - | APR_FILEPATH_SECUREROOT, r->pool) - != APR_SUCCESS) { - return HTTP_FORBIDDEN; - } - r->canonical_filename = r->filename; - } - else { - /* - * Make sure that we do not mess up the translation by adding two - * /'s in a row. This happens under windows when the document - * root ends with a / - */ - /* skip all leading /'s (e.g. http://localhost///foo) - * so we are looking at only the relative path. - */ - char *path = r->uri; - while (*path == '/') { - ++path; - } - if (apr_filepath_merge(&r->filename, conf->ap_document_root, path, - APR_FILEPATH_TRUENAME - | APR_FILEPATH_SECUREROOT, r->pool) - != APR_SUCCESS) { - return HTTP_FORBIDDEN; - } - r->canonical_filename = r->filename; - } - - return OK; -} - -/***************************************************************** - * - * Test the filesystem name through directory_walk and file_walk - */ -static int core_map_to_storage(request_rec *r) -{ - int access_status; - - if ((access_status = ap_directory_walk(r))) { - return access_status; - } - - if ((access_status = ap_file_walk(r))) { - return access_status; - } - - return OK; -} - - -static int do_nothing(request_rec *r) { return OK; } - - -static int core_override_type(request_rec *r) -{ - core_dir_config *conf = - (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - - /* Check for overrides with ForceType / SetHandler - */ - if (conf->mime_type && strcmp(conf->mime_type, "none")) - ap_set_content_type(r, (char*) conf->mime_type); - - if (conf->handler && strcmp(conf->handler, "none")) - r->handler = conf->handler; - - /* Deal with the poor soul who is trying to force path_info to be - * accepted within the core_handler, where they will let the subreq - * address its contents. This is toggled by the user in the very - * beginning of the fixup phase, so modules should override the user's - * discretion in their own module fixup phase. It is tristate, if - * the user doesn't specify, the result is 2 (which the module may - * interpret to its own customary behavior.) It won't be touched - * if the value is no longer undefined (2), so any module changing - * the value prior to the fixup phase OVERRIDES the user's choice. - */ - if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO) - && (conf->accept_path_info != 3)) { - r->used_path_info = conf->accept_path_info; - } - - return OK; -} - - - -static int default_handler(request_rec *r) -{ - conn_rec *c = r->connection; - apr_bucket_brigade *bb; - apr_bucket *e; - core_dir_config *d; - int errstatus; - apr_file_t *fd = NULL; - apr_status_t status; - /* XXX if/when somebody writes a content-md5 filter we either need to - * remove this support or coordinate when to use the filter vs. - * when to use this code - * The current choice of when to compute the md5 here matches the 1.3 - * support fairly closely (unlike 1.3, we don't handle computing md5 - * when the charset is translated). - */ - int bld_content_md5; - - d = (core_dir_config *)ap_get_module_config(r->per_dir_config, - &core_module); - bld_content_md5 = (d->content_md5 & 1) - && r->output_filters->frec->ftype != AP_FTYPE_RESOURCE; - - ap_allow_standard_methods(r, MERGE_ALLOW, M_GET, M_OPTIONS, M_POST, -1); - - /* If filters intend to consume the request body, they must - * register an InputFilter to slurp the contents of the POST - * data from the POST input stream. It no longer exists when - * the output filters are invoked by the default handler. - */ - if ((errstatus = ap_discard_request_body(r)) != OK) { - return errstatus; - } - - if (r->method_number == M_GET || r->method_number == M_POST) { - if (r->finfo.filetype == 0) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "File does not exist: %s", r->filename); - return HTTP_NOT_FOUND; - } - - /* Don't try to serve a dir. Some OSs do weird things with - * raw I/O on a dir. - */ - if (r->finfo.filetype == APR_DIR) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "Attempt to serve directory: %s", r->filename); - return HTTP_NOT_FOUND; - } - - if ((r->used_path_info != AP_REQ_ACCEPT_PATH_INFO) && - r->path_info && *r->path_info) - { - /* default to reject */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "File does not exist: %s", - apr_pstrcat(r->pool, r->filename, r->path_info, NULL)); - return HTTP_NOT_FOUND; - } - - /* We understood the (non-GET) method, but it might not be legal for - this particular resource. Check to see if the 'deliver_script' - flag is set. If so, then we go ahead and deliver the file since - it isn't really content (only GET normally returns content). - - Note: based on logic further above, the only possible non-GET - method at this point is POST. In the future, we should enable - script delivery for all methods. */ - if (r->method_number != M_GET) { - core_request_config *req_cfg; - - req_cfg = ap_get_module_config(r->request_config, &core_module); - if (!req_cfg->deliver_script) { - /* The flag hasn't been set for this request. Punt. */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "This resource does not accept the %s method.", - r->method); - return HTTP_METHOD_NOT_ALLOWED; - } - } - - - if ((status = apr_file_open(&fd, r->filename, APR_READ | APR_BINARY -#if APR_HAS_SENDFILE - | ((d->enable_sendfile == ENABLE_SENDFILE_OFF) - ? 0 : APR_SENDFILE_ENABLED) -#endif - , 0, r->pool)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, - "file permissions deny server access: %s", r->filename); - return HTTP_FORBIDDEN; - } - - ap_update_mtime(r, r->finfo.mtime); - ap_set_last_modified(r); - ap_set_etag(r); - apr_table_setn(r->headers_out, "Accept-Ranges", "bytes"); - ap_set_content_length(r, r->finfo.size); - if ((errstatus = ap_meets_conditions(r)) != OK) { - apr_file_close(fd); - return errstatus; - } - - if (bld_content_md5) { - apr_table_setn(r->headers_out, "Content-MD5", - ap_md5digest(r->pool, fd)); - } - - bb = apr_brigade_create(r->pool, c->bucket_alloc); - - /* For platforms where the size of the file may be larger than - * that which can be stored in a single bucket (whether the - * length field is an apr_size_t), split it into several - * buckets */ - if (sizeof(apr_off_t) > sizeof(apr_size_t) - && r->finfo.size > AP_MAX_SENDFILE) { - apr_off_t fsize = r->finfo.size; - e = apr_bucket_file_create(fd, 0, AP_MAX_SENDFILE, r->pool, - c->bucket_alloc); - while (fsize > AP_MAX_SENDFILE) { - apr_bucket *ce; - apr_bucket_copy(e, &ce); - APR_BRIGADE_INSERT_TAIL(bb, ce); - e->start += AP_MAX_SENDFILE; - fsize -= AP_MAX_SENDFILE; - } - e->length = (apr_size_t)fsize; /* Resize just the last bucket */ - } - else - e = apr_bucket_file_create(fd, 0, (apr_size_t)r->finfo.size, - r->pool, c->bucket_alloc); - -#if APR_HAS_MMAP - if (d->enable_mmap == ENABLE_MMAP_OFF) { - (void)apr_bucket_file_enable_mmap(e, 0); - } -#endif - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_eos_create(c->bucket_alloc); - APR_BRIGADE_INSERT_TAIL(bb, e); - - status = ap_pass_brigade(r->output_filters, bb); - if (status == APR_SUCCESS - || r->status != HTTP_OK - || c->aborted) { - return OK; /* r->status will be respected */ - } - else { - /* no way to know what type of error occurred */ - ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, - "default_handler: ap_pass_brigade returned %i", - status); - return HTTP_INTERNAL_SERVER_ERROR; - } - } - else { /* unusual method (not GET or POST) */ - if (r->method_number == M_INVALID) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, - "Invalid method in request %s", r->the_request); - return HTTP_NOT_IMPLEMENTED; - } - - if (r->method_number == M_OPTIONS) { - return ap_send_http_options(r); - } - return HTTP_METHOD_NOT_ALLOWED; - } -} - -typedef struct net_time_filter_ctx { - apr_socket_t *csd; - int first_line; -} net_time_filter_ctx_t; -static int net_time_filter(ap_filter_t *f, apr_bucket_brigade *b, - ap_input_mode_t mode, apr_read_type_e block, - apr_off_t readbytes) -{ - net_time_filter_ctx_t *ctx = f->ctx; - int keptalive = f->c->keepalive == AP_CONN_KEEPALIVE; - - if (!ctx) { - f->ctx = ctx = apr_palloc(f->r->pool, sizeof(*ctx)); - ctx->first_line = 1; - ctx->csd = ap_get_module_config(f->c->conn_config, &core_module); - } - - if (mode != AP_MODE_INIT && mode != AP_MODE_EATCRLF) { - if (keptalive && ctx->first_line) { - apr_socket_timeout_set(ctx->csd, - f->c->base_server->keep_alive_timeout); - ctx->first_line = 0; - } - else { - if (keptalive) { - apr_socket_timeout_set(ctx->csd, f->c->base_server->timeout); - } - } - } - return ap_get_brigade(f->next, b, mode, block, readbytes); -} - -/** - * Remove all zero length buckets from the brigade. - */ -#define BRIGADE_NORMALIZE(b) \ -do { \ - apr_bucket *e = APR_BRIGADE_FIRST(b); \ - do { \ - if (e->length == 0 && !APR_BUCKET_IS_METADATA(e)) { \ - apr_bucket *d; \ - d = APR_BUCKET_NEXT(e); \ - apr_bucket_delete(e); \ - e = d; \ - } \ - e = APR_BUCKET_NEXT(e); \ - } while (!APR_BRIGADE_EMPTY(b) && (e != APR_BRIGADE_SENTINEL(b))); \ -} while (0) - - -/** - * Split the contents of a brigade after bucket 'e' to an existing brigade - * - * XXXX: Should this function be added to APR-Util? - */ -static void brigade_move(apr_bucket_brigade *b, apr_bucket_brigade *a, - apr_bucket *e) -{ - apr_bucket *f; - - if (e != APR_BRIGADE_SENTINEL(b)) { - f = APR_RING_LAST(&b->list); - APR_RING_UNSPLICE(e, f, link); - APR_RING_SPLICE_HEAD(&a->list, e, f, apr_bucket, link); - } - - APR_BRIGADE_CHECK_CONSISTENCY(a); - APR_BRIGADE_CHECK_CONSISTENCY(b); -} - - -static int core_input_filter(ap_filter_t *f, apr_bucket_brigade *b, - ap_input_mode_t mode, apr_read_type_e block, - apr_off_t readbytes) -{ - apr_bucket *e; - apr_status_t rv; - core_net_rec *net = f->ctx; - core_ctx_t *ctx = net->in_ctx; - const char *str; - apr_size_t len; - - if (mode == AP_MODE_INIT) { - /* - * this mode is for filters that might need to 'initialize' - * a connection before reading request data from a client. - * NNTP over SSL for example needs to handshake before the - * server sends the welcome message. - * such filters would have changed the mode before this point - * is reached. however, protocol modules such as NNTP should - * not need to know anything about SSL. given the example, if - * SSL is not in the filter chain, AP_MODE_INIT is a noop. - */ - return APR_SUCCESS; - } - - if (!ctx) - { - ctx = apr_pcalloc(f->c->pool, sizeof(*ctx)); - ctx->b = apr_brigade_create(f->c->pool, f->c->bucket_alloc); - ctx->tmpbb = apr_brigade_create(ctx->b->p, ctx->b->bucket_alloc); - - /* seed the brigade with the client socket. */ - e = apr_bucket_socket_create(net->client_socket, f->c->bucket_alloc); - APR_BRIGADE_INSERT_TAIL(ctx->b, e); - net->in_ctx = ctx; - } - else if (APR_BRIGADE_EMPTY(ctx->b)) { - return APR_EOF; - } - - /* ### This is bad. */ - BRIGADE_NORMALIZE(ctx->b); - - /* check for empty brigade again *AFTER* BRIGADE_NORMALIZE() - * If we have lost our socket bucket (see above), we are EOF. - * - * Ideally, this should be returning SUCCESS with EOS bucket, but - * some higher-up APIs (spec. read_request_line via ap_rgetline) - * want an error code. */ - if (APR_BRIGADE_EMPTY(ctx->b)) { - return APR_EOF; - } - - if (mode == AP_MODE_GETLINE) { - /* we are reading a single LF line, e.g. the HTTP headers */ - rv = apr_brigade_split_line(b, ctx->b, block, HUGE_STRING_LEN); - /* We should treat EAGAIN here the same as we do for EOF (brigade is - * empty). We do this by returning whatever we have read. This may - * or may not be bogus, but is consistent (for now) with EOF logic. - */ - if (APR_STATUS_IS_EAGAIN(rv)) { - rv = APR_SUCCESS; - } - return rv; - } - - /* ### AP_MODE_PEEK is a horrific name for this mode because we also - * eat any CRLFs that we see. That's not the obvious intention of - * this mode. Determine whether anyone actually uses this or not. */ - if (mode == AP_MODE_EATCRLF) { - apr_bucket *e; - const char *c; - - /* The purpose of this loop is to ignore any CRLF (or LF) at the end - * of a request. Many browsers send extra lines at the end of POST - * requests. We use the PEEK method to determine if there is more - * data on the socket, so that we know if we should delay sending the - * end of one request until we have served the second request in a - * pipelined situation. We don't want to actually delay sending a - * response if the server finds a CRLF (or LF), becuause that doesn't - * mean that there is another request, just a blank line. - */ - while (1) { - if (APR_BRIGADE_EMPTY(ctx->b)) - return APR_EOF; - - e = APR_BRIGADE_FIRST(ctx->b); - - rv = apr_bucket_read(e, &str, &len, APR_NONBLOCK_READ); - - if (rv != APR_SUCCESS) - return rv; - - c = str; - while (c < str + len) { - if (*c == APR_ASCII_LF) - c++; - else if (*c == APR_ASCII_CR && *(c + 1) == APR_ASCII_LF) - c += 2; - else - return APR_SUCCESS; - } - - /* If we reach here, we were a bucket just full of CRLFs, so - * just toss the bucket. */ - /* FIXME: Is this the right thing to do in the core? */ - apr_bucket_delete(e); - } - return APR_SUCCESS; - } - - /* If mode is EXHAUSTIVE, we want to just read everything until the end - * of the brigade, which in this case means the end of the socket. - * To do this, we attach the brigade that has currently been setaside to - * the brigade that was passed down, and send that brigade back. - * - * NOTE: This is VERY dangerous to use, and should only be done with - * extreme caution. However, the Perchild MPM needs this feature - * if it is ever going to work correctly again. With this, the Perchild - * MPM can easily request the socket and all data that has been read, - * which means that it can pass it to the correct child process. - */ - if (mode == AP_MODE_EXHAUSTIVE) { - apr_bucket *e; - - /* Tack on any buckets that were set aside. */ - APR_BRIGADE_CONCAT(b, ctx->b); - - /* Since we've just added all potential buckets (which will most - * likely simply be the socket bucket) we know this is the end, - * so tack on an EOS too. */ - /* We have read until the brigade was empty, so we know that we - * must be EOS. */ - e = apr_bucket_eos_create(f->c->bucket_alloc); - APR_BRIGADE_INSERT_TAIL(b, e); - return APR_SUCCESS; - } - - /* read up to the amount they specified. */ - if (mode == AP_MODE_READBYTES || mode == AP_MODE_SPECULATIVE) { - apr_bucket *e; - - AP_DEBUG_ASSERT(readbytes > 0); - - e = APR_BRIGADE_FIRST(ctx->b); - rv = apr_bucket_read(e, &str, &len, block); - - if (APR_STATUS_IS_EAGAIN(rv)) { - return APR_SUCCESS; - } - else if (rv != APR_SUCCESS) { - return rv; - } - else if (block == APR_BLOCK_READ && len == 0) { - /* We wanted to read some bytes in blocking mode. We read - * 0 bytes. Hence, we now assume we are EOS. - * - * When we are in normal mode, return an EOS bucket to the - * caller. - * When we are in speculative mode, leave ctx->b empty, so - * that the next call returns an EOS bucket. - */ - apr_bucket_delete(e); - - if (mode == AP_MODE_READBYTES) { - e = apr_bucket_eos_create(f->c->bucket_alloc); - APR_BRIGADE_INSERT_TAIL(b, e); - } - return APR_SUCCESS; - } - - /* We can only return at most what we read. */ - if (len < readbytes) { - readbytes = len; - } - - rv = apr_brigade_partition(ctx->b, readbytes, &e); - if (rv != APR_SUCCESS) { - return rv; - } - - /* Must do move before CONCAT */ - brigade_move(ctx->b, ctx->tmpbb, e); - - if (mode == AP_MODE_READBYTES) { - APR_BRIGADE_CONCAT(b, ctx->b); - } - else if (mode == AP_MODE_SPECULATIVE) { - apr_bucket *copy_bucket; - APR_BRIGADE_FOREACH(e, ctx->b) { - rv = apr_bucket_copy(e, ©_bucket); - if (rv != APR_SUCCESS) { - return rv; - } - APR_BRIGADE_INSERT_TAIL(b, copy_bucket); - } - } - - /* Take what was originally there and place it back on ctx->b */ - APR_BRIGADE_CONCAT(ctx->b, ctx->tmpbb); - } - return APR_SUCCESS; -} - -/* Default filter. This filter should almost always be used. Its only job - * is to send the headers if they haven't already been sent, and then send - * the actual data. - */ -#define MAX_IOVEC_TO_WRITE 16 - -/* Optional function coming from mod_logio, used for logging of output - * traffic - */ -static APR_OPTIONAL_FN_TYPE(ap_logio_add_bytes_out) *logio_add_bytes_out; - -static apr_status_t core_output_filter(ap_filter_t *f, apr_bucket_brigade *b) -{ - apr_status_t rv; - apr_bucket_brigade *more; - conn_rec *c = f->c; - core_net_rec *net = f->ctx; - core_output_filter_ctx_t *ctx = net->out_ctx; - apr_read_type_e eblock = APR_NONBLOCK_READ; - apr_pool_t *input_pool = b->p; - - /* Fail quickly if the connection has already been aborted. */ - if (c->aborted) { - apr_brigade_cleanup(b); - return APR_ECONNABORTED; - } - - if (ctx == NULL) { - ctx = apr_pcalloc(c->pool, sizeof(*ctx)); - net->out_ctx = ctx; - } - - /* If we have a saved brigade, concatenate the new brigade to it */ - if (ctx->b) { - APR_BRIGADE_CONCAT(ctx->b, b); - b = ctx->b; - ctx->b = NULL; - } - - /* Perform multiple passes over the brigade, sending batches of output - to the connection. */ - while (b && !APR_BRIGADE_EMPTY(b)) { - apr_size_t nbytes = 0; - apr_bucket *last_e = NULL; /* initialized for debugging */ - apr_bucket *e; - - /* one group of iovecs per pass over the brigade */ - apr_size_t nvec = 0; - apr_size_t nvec_trailers = 0; - struct iovec vec[MAX_IOVEC_TO_WRITE]; - struct iovec vec_trailers[MAX_IOVEC_TO_WRITE]; - - /* one file per pass over the brigade */ - apr_file_t *fd = NULL; - apr_size_t flen = 0; - apr_off_t foffset = 0; - - /* keep track of buckets that we've concatenated - * to avoid small writes - */ - apr_bucket *last_merged_bucket = NULL; - - /* tail of brigade if we need another pass */ - more = NULL; - - /* Iterate over the brigade: collect iovecs and/or a file */ - APR_BRIGADE_FOREACH(e, b) { - /* keep track of the last bucket processed */ - last_e = e; - if (APR_BUCKET_IS_EOS(e) || AP_BUCKET_IS_EOC(e)) { - break; - } - else if (APR_BUCKET_IS_FLUSH(e)) { - if (e != APR_BRIGADE_LAST(b)) { - more = apr_brigade_split(b, APR_BUCKET_NEXT(e)); - } - break; - } - - /* It doesn't make any sense to use sendfile for a file bucket - * that represents 10 bytes. - */ - else if (APR_BUCKET_IS_FILE(e) - && (e->length >= AP_MIN_SENDFILE_BYTES)) { - apr_bucket_file *a = e->data; - - /* We can't handle more than one file bucket at a time - * so we split here and send the file we have already - * found. - */ - if (fd) { - more = apr_brigade_split(b, e); - break; - } - - fd = a->fd; - flen = e->length; - foffset = e->start; - } - else { - const char *str; - apr_size_t n; - - rv = apr_bucket_read(e, &str, &n, eblock); - if (APR_STATUS_IS_EAGAIN(rv)) { - /* send what we have so far since we shouldn't expect more - * output for a while... next time we read, block - */ - more = apr_brigade_split(b, e); - eblock = APR_BLOCK_READ; - break; - } - eblock = APR_NONBLOCK_READ; - if (n) { - if (!fd) { - if (nvec == MAX_IOVEC_TO_WRITE) { - /* woah! too many. buffer them up, for use later. */ - apr_bucket *temp, *next; - apr_bucket_brigade *temp_brig; - - if (nbytes >= AP_MIN_BYTES_TO_WRITE) { - /* We have enough data in the iovec - * to justify doing a writev - */ - more = apr_brigade_split(b, e); - break; - } - - /* Create a temporary brigade as a means - * of concatenating a bunch of buckets together - */ - if (last_merged_bucket) { - /* If we've concatenated together small - * buckets already in a previous pass, - * the initial buckets in this brigade - * are heap buckets that may have extra - * space left in them (because they - * were created by apr_brigade_write()). - * We can take advantage of this by - * building the new temp brigade out of - * these buckets, so that the content - * in them doesn't have to be copied again. - */ - apr_bucket_brigade *bb; - bb = apr_brigade_split(b, - APR_BUCKET_NEXT(last_merged_bucket)); - temp_brig = b; - b = bb; - } - else { - temp_brig = apr_brigade_create(f->c->pool, - f->c->bucket_alloc); - } - - temp = APR_BRIGADE_FIRST(b); - while (temp != e) { - apr_bucket *d; - rv = apr_bucket_read(temp, &str, &n, APR_BLOCK_READ); - apr_brigade_write(temp_brig, NULL, NULL, str, n); - d = temp; - temp = APR_BUCKET_NEXT(temp); - apr_bucket_delete(d); - } - - nvec = 0; - nbytes = 0; - temp = APR_BRIGADE_FIRST(temp_brig); - APR_BUCKET_REMOVE(temp); - APR_BRIGADE_INSERT_HEAD(b, temp); - apr_bucket_read(temp, &str, &n, APR_BLOCK_READ); - vec[nvec].iov_base = (char*) str; - vec[nvec].iov_len = n; - nvec++; - - /* Just in case the temporary brigade has - * multiple buckets, recover the rest of - * them and put them in the brigade that - * we're sending. - */ - for (next = APR_BRIGADE_FIRST(temp_brig); - next != APR_BRIGADE_SENTINEL(temp_brig); - next = APR_BRIGADE_FIRST(temp_brig)) { - APR_BUCKET_REMOVE(next); - APR_BUCKET_INSERT_AFTER(temp, next); - temp = next; - apr_bucket_read(next, &str, &n, - APR_BLOCK_READ); - vec[nvec].iov_base = (char*) str; - vec[nvec].iov_len = n; - nvec++; - } - - apr_brigade_destroy(temp_brig); - - last_merged_bucket = temp; - e = temp; - last_e = e; - } - else { - vec[nvec].iov_base = (char*) str; - vec[nvec].iov_len = n; - nvec++; - } - } - else { - /* The bucket is a trailer to a file bucket */ - - if (nvec_trailers == MAX_IOVEC_TO_WRITE) { - /* woah! too many. stop now. */ - more = apr_brigade_split(b, e); - break; - } - - vec_trailers[nvec_trailers].iov_base = (char*) str; - vec_trailers[nvec_trailers].iov_len = n; - nvec_trailers++; - } - - nbytes += n; - } - } - } - - - /* Completed iterating over the brigade, now determine if we want - * to buffer the brigade or send the brigade out on the network. - * - * Save if we haven't accumulated enough bytes to send, the connection - * is not about to be closed, and: - * - * 1) we didn't see a file, we don't have more passes over the - * brigade to perform, AND we didn't stop at a FLUSH bucket. - * (IOW, we will save plain old bytes such as HTTP headers) - * or - * 2) we hit the EOS and have a keep-alive connection - * (IOW, this response is a bit more complex, but we save it - * with the hope of concatenating with another response) - */ - if (nbytes + flen < AP_MIN_BYTES_TO_WRITE - && !AP_BUCKET_IS_EOC(last_e) - && ((!fd && !more && !APR_BUCKET_IS_FLUSH(last_e)) - || (APR_BUCKET_IS_EOS(last_e) - && c->keepalive == AP_CONN_KEEPALIVE))) { - - /* NEVER save an EOS in here. If we are saving a brigade with - * an EOS bucket, then we are doing keepalive connections, and - * we want to process to second request fully. - */ - if (APR_BUCKET_IS_EOS(last_e)) { - apr_bucket *bucket; - int file_bucket_saved = 0; - apr_bucket_delete(last_e); - for (bucket = APR_BRIGADE_FIRST(b); - bucket != APR_BRIGADE_SENTINEL(b); - bucket = APR_BUCKET_NEXT(bucket)) { - - /* Do a read on each bucket to pull in the - * data from pipe and socket buckets, so - * that we don't leave their file descriptors - * open indefinitely. Do the same for file - * buckets, with one exception: allow the - * first file bucket in the brigade to remain - * a file bucket, so that we don't end up - * doing an mmap+memcpy every time a client - * requests a <8KB file over a keepalive - * connection. - */ - if (APR_BUCKET_IS_FILE(bucket) && !file_bucket_saved) { - file_bucket_saved = 1; - } - else { - const char *buf; - apr_size_t len = 0; - rv = apr_bucket_read(bucket, &buf, &len, - APR_BLOCK_READ); - if (rv != APR_SUCCESS) { - ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, - c, "core_output_filter:" - " Error reading from bucket."); - return HTTP_INTERNAL_SERVER_ERROR; - } - } - } - } - if (!ctx->deferred_write_pool) { - apr_pool_create(&ctx->deferred_write_pool, c->pool); - apr_pool_tag(ctx->deferred_write_pool, "deferred_write"); - } - ap_save_brigade(f, &ctx->b, &b, ctx->deferred_write_pool); - - return APR_SUCCESS; - } - - if (fd) { - apr_hdtr_t hdtr; - apr_size_t bytes_sent; - -#if APR_HAS_SENDFILE - apr_int32_t flags = 0; -#endif - - memset(&hdtr, '\0', sizeof(hdtr)); - if (nvec) { - hdtr.numheaders = nvec; - hdtr.headers = vec; - } - - if (nvec_trailers) { - hdtr.numtrailers = nvec_trailers; - hdtr.trailers = vec_trailers; - } - -#if APR_HAS_SENDFILE - if (apr_file_flags_get(fd) & APR_SENDFILE_ENABLED) { - - if (c->keepalive == AP_CONN_CLOSE && APR_BUCKET_IS_EOS(last_e)) { - /* Prepare the socket to be reused */ - flags |= APR_SENDFILE_DISCONNECT_SOCKET; - } - - rv = sendfile_it_all(net, /* the network information */ - fd, /* the file to send */ - &hdtr, /* header and trailer iovecs */ - foffset, /* offset in the file to begin - sending from */ - flen, /* length of file */ - nbytes + flen, /* total length including - headers */ - &bytes_sent, /* how many bytes were - sent */ - flags); /* apr_sendfile flags */ - - if (logio_add_bytes_out && bytes_sent > 0) - logio_add_bytes_out(c, bytes_sent); - } - else -#endif - { - rv = emulate_sendfile(net, fd, &hdtr, foffset, flen, - &bytes_sent); - - if (logio_add_bytes_out && bytes_sent > 0) - logio_add_bytes_out(c, bytes_sent); - } - - fd = NULL; - } - else { - apr_size_t bytes_sent; - - rv = writev_it_all(net->client_socket, - vec, nvec, - nbytes, &bytes_sent); - - if (logio_add_bytes_out && bytes_sent > 0) - logio_add_bytes_out(c, bytes_sent); - } - - apr_brigade_destroy(b); - - /* drive cleanups for resources which were set aside - * this may occur before or after termination of the request which - * created the resource - */ - if (ctx->deferred_write_pool) { - if (more && more->p == ctx->deferred_write_pool) { - /* "more" belongs to the deferred_write_pool, - * which is about to be cleared. - */ - if (APR_BRIGADE_EMPTY(more)) { - more = NULL; - } - else { - /* uh oh... change more's lifetime - * to the input brigade's lifetime - */ - apr_bucket_brigade *tmp_more = more; - more = NULL; - ap_save_brigade(f, &more, &tmp_more, input_pool); - } - } - apr_pool_clear(ctx->deferred_write_pool); - } - - if (rv != APR_SUCCESS) { - ap_log_cerror(APLOG_MARK, APLOG_INFO, rv, c, - "core_output_filter: writing data to the network"); - - if (more) - apr_brigade_destroy(more); - - /* No need to check for SUCCESS, we did that above. */ - if (!APR_STATUS_IS_EAGAIN(rv)) { - c->aborted = 1; - return APR_ECONNABORTED; - } - - return APR_SUCCESS; - } - - b = more; - more = NULL; - } /* end while () */ - - return APR_SUCCESS; -} - -static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s) -{ - logio_add_bytes_out = APR_RETRIEVE_OPTIONAL_FN(ap_logio_add_bytes_out); - - ap_set_version(pconf); - ap_setup_make_content_type(pconf); - return OK; -} - -static void core_insert_filter(request_rec *r) -{ - core_dir_config *conf = (core_dir_config *) - ap_get_module_config(r->per_dir_config, - &core_module); - const char *filter, *filters = conf->output_filters; - - if (filters) { - while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) { - ap_add_output_filter(filter, NULL, r, r->connection); - } - } - - filters = conf->input_filters; - if (filters) { - while (*filters && (filter = ap_getword(r->pool, &filters, ';'))) { - ap_add_input_filter(filter, NULL, r, r->connection); - } - } -} - -static apr_size_t num_request_notes = AP_NUM_STD_NOTES; - -static apr_status_t reset_request_notes(void *dummy) -{ - num_request_notes = AP_NUM_STD_NOTES; - return APR_SUCCESS; -} - -AP_DECLARE(apr_size_t) ap_register_request_note(void) -{ - apr_pool_cleanup_register(apr_hook_global_pool, NULL, reset_request_notes, - apr_pool_cleanup_null); - return num_request_notes++; -} - -AP_DECLARE(void **) ap_get_request_note(request_rec *r, apr_size_t note_num) -{ - core_request_config *req_cfg; - - if (note_num >= num_request_notes) { - return NULL; - } - - req_cfg = (core_request_config *) - ap_get_module_config(r->request_config, &core_module); - - if (!req_cfg) { - return NULL; - } - - return &(req_cfg->notes[note_num]); -} - -static int core_create_req(request_rec *r) -{ - /* Alloc the config struct and the array of request notes in - * a single block for efficiency - */ - core_request_config *req_cfg; - - req_cfg = apr_pcalloc(r->pool, sizeof(core_request_config) + - sizeof(void *) * num_request_notes); - req_cfg->notes = (void **)((char *)req_cfg + sizeof(core_request_config)); - - /* ### temporarily enable script delivery as the default */ - req_cfg->deliver_script = 1; - - if (r->main) { - core_request_config *main_req_cfg = (core_request_config *) - ap_get_module_config(r->main->request_config, &core_module); - req_cfg->bb = main_req_cfg->bb; - } - else { - req_cfg->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc); - if (!r->prev) { - ap_add_input_filter_handle(ap_net_time_filter_handle, - NULL, r, r->connection); - } - } - - ap_set_module_config(r->request_config, &core_module, req_cfg); - - /* Begin by presuming any module can make its own path_info assumptions, - * until some module interjects and changes the value. - */ - r->used_path_info = AP_REQ_DEFAULT_PATH_INFO; - - return OK; -} - -static int core_create_proxy_req(request_rec *r, request_rec *pr) -{ - return core_create_req(pr); -} - -static conn_rec *core_create_conn(apr_pool_t *ptrans, server_rec *server, - apr_socket_t *csd, long id, void *sbh, - apr_bucket_alloc_t *alloc) -{ - apr_status_t rv; - conn_rec *c = (conn_rec *) apr_pcalloc(ptrans, sizeof(conn_rec)); - - c->sbh = sbh; - (void)ap_update_child_status(c->sbh, SERVER_BUSY_READ, (request_rec *)NULL); - - /* Got a connection structure, so initialize what fields we can - * (the rest are zeroed out by pcalloc). - */ - c->conn_config = ap_create_conn_config(ptrans); - c->notes = apr_table_make(ptrans, 5); - - c->pool = ptrans; - if ((rv = apr_socket_addr_get(&c->local_addr, APR_LOCAL, csd)) - != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, - "apr_socket_addr_get(APR_LOCAL)"); - apr_socket_close(csd); - return NULL; - } - - apr_sockaddr_ip_get(&c->local_ip, c->local_addr); - if ((rv = apr_socket_addr_get(&c->remote_addr, APR_REMOTE, csd)) - != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_INFO, rv, server, - "apr_socket_addr_get(APR_REMOTE)"); - apr_socket_close(csd); - return NULL; - } - - apr_sockaddr_ip_get(&c->remote_ip, c->remote_addr); - c->base_server = server; - - c->id = id; - c->bucket_alloc = alloc; - - return c; -} - -static int core_pre_connection(conn_rec *c, void *csd) -{ - core_net_rec *net = apr_palloc(c->pool, sizeof(*net)); - apr_status_t rv; - -#ifdef AP_MPM_DISABLE_NAGLE_ACCEPTED_SOCK - /* BillS says perhaps this should be moved to the MPMs. Some OSes - * allow listening socket attributes to be inherited by the - * accept sockets which means this call only needs to be made - * once on the listener - */ - /* The Nagle algorithm says that we should delay sending partial - * packets in hopes of getting more data. We don't want to do - * this; we are not telnet. There are bad interactions between - * persistent connections and Nagle's algorithm that have very severe - * performance penalties. (Failing to disable Nagle is not much of a - * problem with simple HTTP.) - */ - rv = apr_socket_opt_set(csd, APR_TCP_NODELAY, 1); - if (rv != APR_SUCCESS && rv != APR_ENOTIMPL) { - /* expected cause is that the client disconnected already, - * hence the debug level - */ - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, - "apr_socket_opt_set(APR_TCP_NODELAY)"); - } -#endif - - /* The core filter requires the timeout mode to be set, which - * incidentally sets the socket to be nonblocking. If this - * is not initialized correctly, Linux - for example - will - * be initially blocking, while Solaris will be non blocking - * and any initial read will fail. - */ - rv = apr_socket_timeout_set(csd, c->base_server->timeout); - if (rv != APR_SUCCESS) { - /* expected cause is that the client disconnected already */ - ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, c, - "apr_socket_timeout_set"); - } - - net->c = c; - net->in_ctx = NULL; - net->out_ctx = NULL; - net->client_socket = csd; - - ap_set_module_config(net->c->conn_config, &core_module, csd); - ap_add_input_filter_handle(ap_core_input_filter_handle, net, NULL, net->c); - ap_add_output_filter_handle(ap_core_output_filter_handle, net, NULL, net->c); - return DONE; -} - -static void register_hooks(apr_pool_t *p) -{ - /* create_connection and install_transport_filters are - * hooks that should always be APR_HOOK_REALLY_LAST to give other - * modules the opportunity to install alternate network transports - * and stop other functions from being run. - */ - ap_hook_create_connection(core_create_conn, NULL, NULL, - APR_HOOK_REALLY_LAST); - ap_hook_pre_connection(core_pre_connection, NULL, NULL, - APR_HOOK_REALLY_LAST); - - ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST); - ap_hook_translate_name(ap_core_translate,NULL,NULL,APR_HOOK_REALLY_LAST); - ap_hook_map_to_storage(core_map_to_storage,NULL,NULL,APR_HOOK_REALLY_LAST); - ap_hook_open_logs(ap_open_logs,NULL,NULL,APR_HOOK_REALLY_FIRST); - ap_hook_child_init(ap_logs_child_init,NULL,NULL,APR_HOOK_MIDDLE); - ap_hook_handler(default_handler,NULL,NULL,APR_HOOK_REALLY_LAST); - /* FIXME: I suspect we can eliminate the need for these do_nothings - Ben */ - ap_hook_type_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST); - ap_hook_fixups(core_override_type,NULL,NULL,APR_HOOK_REALLY_FIRST); - ap_hook_access_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST); - ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE); - APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL, - APR_HOOK_MIDDLE); - ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE); - - /* register the core's insert_filter hook and register core-provided - * filters - */ - ap_hook_insert_filter(core_insert_filter, NULL, NULL, APR_HOOK_MIDDLE); - - ap_core_input_filter_handle = - ap_register_input_filter("CORE_IN", core_input_filter, - NULL, AP_FTYPE_NETWORK); - ap_net_time_filter_handle = - ap_register_input_filter("NET_TIME", net_time_filter, - NULL, AP_FTYPE_PROTOCOL); - ap_content_length_filter_handle = - ap_register_output_filter("CONTENT_LENGTH", ap_content_length_filter, - NULL, AP_FTYPE_PROTOCOL); - ap_core_output_filter_handle = - ap_register_output_filter("CORE", core_output_filter, - NULL, AP_FTYPE_NETWORK); - ap_subreq_core_filter_handle = - ap_register_output_filter("SUBREQ_CORE", ap_sub_req_output_filter, - NULL, AP_FTYPE_CONTENT_SET); - ap_old_write_func = - ap_register_output_filter("OLD_WRITE", ap_old_write_filter, - NULL, AP_FTYPE_RESOURCE - 10); -} - -AP_DECLARE_DATA module core_module = { - STANDARD20_MODULE_STUFF, - create_core_dir_config, /* create per-directory config structure */ - merge_core_dir_configs, /* merge per-directory config structures */ - create_core_server_config, /* create per-server config structure */ - merge_core_server_configs, /* merge per-server config structures */ - core_cmds, /* command apr_table_t */ - register_hooks /* register hooks */ -}; - |