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apache / httpd / d8183c5574693c4c352a5daa75b32590d2f20fcf / . / modules / http / http_core.c
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/* ====================================================================
* Copyright (c) 1995-1999 The Apache Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Group and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
#define CORE_PRIVATE
#include "ap_config.h"
#include "apr_lib.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 "apr_fnmatch.h"
#include "http_connection.h"
/* Allow Apache to use ap_mmap */
#ifdef USE_MMAP_FILES
#include "apr_mmap.h"
/* mmap support for static files based on ideas from John Heidemann's
* patch against 1.0.5. See
* <http://www.isi.edu/~johnh/SOFTWARE/APACHE/index.html>.
*/
/* Files have to be at least this big before they're mmap()d. This is to deal
* with systems where the expense of doing an mmap() and an munmap() outweighs
* the benefit for small files. It shouldn't be set lower than 1.
*/
#ifndef MMAP_THRESHOLD
#ifdef SUNOS4
#define MMAP_THRESHOLD (8*1024)
#else
#define MMAP_THRESHOLD 1
#endif /* SUNOS4 */
#endif /* MMAP_THRESHOLD */
#ifndef MMAP_LIMIT
#define MMAP_LIMIT (4*1024*1024)
#endif
#endif /* USE_MMAP_FILES */
/* 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.
*/
static void *create_core_dir_config(ap_context_t *a, char *dir)
{
core_dir_config *conf;
conf = (core_dir_config *)ap_pcalloc(a, sizeof(core_dir_config));
if (!dir || dir[strlen(dir) - 1] == '/') {
conf->d = dir;
}
else if (strncmp(dir, "proxy:", 6) == 0) {
conf->d = ap_pstrdup(a, dir);
}
else {
conf->d = ap_pstrcat(a, dir, "/", NULL);
}
conf->d_is_fnmatch = conf->d ? (ap_is_fnmatch(conf->d) != 0) : 0;
conf->d_components = conf->d ? ap_count_dirs(conf->d) : 0;
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->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 = SATISFY_NOSPEC;
conf->limit_req_body = 0;
conf->sec = ap_make_array(a, 2, sizeof(void *));
#ifdef WIN32
conf->script_interpreter_source = INTERPRETER_SOURCE_UNSET;
#endif
conf->server_signature = srv_sig_unset;
return (void *)conf;
}
static void *merge_core_dir_configs(ap_context_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;
conf = (core_dir_config *)ap_palloc(a, sizeof(core_dir_config));
memcpy((char *)conf, (const char *)base, sizeof(core_dir_config));
if (base->response_code_strings) {
conf->response_code_strings =
ap_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);
}
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 (new->response_code_strings) {
if (conf->response_code_strings == NULL) {
conf->response_code_strings = ap_palloc(a,
sizeof(*conf->response_code_strings) * RESPONSE_CODES);
memcpy(conf->response_code_strings, new->response_code_strings,
sizeof(*conf->response_code_strings) * RESPONSE_CODES);
}
else {
for (i = 0; i < RESPONSE_CODES; ++i) {
if (new->response_code_strings[i] != NULL) {
conf->response_code_strings[i]
= new->response_code_strings[i];
}
}
}
}
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->use_canonical_name != USE_CANONICAL_NAME_UNSET) {
conf->use_canonical_name = new->use_canonical_name;
}
if (new->limit_req_body) {
conf->limit_req_body = new->limit_req_body;
}
conf->sec = ap_append_arrays(a, base->sec, new->sec);
if (new->satisfy != SATISFY_NOSPEC) {
conf->satisfy = new->satisfy;
}
#ifdef WIN32
if (new->script_interpreter_source != INTERPRETER_SOURCE_UNSET) {
conf->script_interpreter_source = new->script_interpreter_source;
}
#endif
if (new->server_signature != srv_sig_unset) {
conf->server_signature = new->server_signature;
}
return (void*)conf;
}
static void *create_core_server_config(ap_context_t *a, server_rec *s)
{
core_server_config *conf;
int is_virtual = s->is_virtual;
conf = (core_server_config *)ap_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 = ap_make_array(a, 40, sizeof(void *));
conf->sec_url = ap_make_array(a, 40, sizeof(void *));
return (void *)conf;
}
static void *merge_core_server_configs(ap_context_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 *)ap_pcalloc(p, sizeof(core_server_config));
*conf = *virt;
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 = ap_append_arrays(p, base->sec, virt->sec);
conf->sec_url = ap_append_arrays(p, base->sec_url, virt->sec_url);
return conf;
}
/* Add per-directory configuration entry (for <directory> section);
* these are part of the core server config.
*/
CORE_EXPORT(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 **)ap_push_array(sconf->sec);
*new_space = dir_config;
}
CORE_EXPORT(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 **)ap_push_array(sconf->sec_url);
*new_space = url_config;
}
CORE_EXPORT(void) ap_add_file_conf(core_dir_config *conf, void *url_config)
{
void **new_space = (void **)ap_push_array(conf->sec);
*new_space = url_config;
}
/* core_reorder_directories reorders the directory sections such that the
* 1-component sections come first, then the 2-component, and so on, finally
* followed by the "special" sections. A section is "special" if it's a regex,
* or if it doesn't start with / -- consider proxy: matching. All movements
* are in-order to preserve the ordering of the sections from the config files.
* See directory_walk().
*/
#ifdef HAVE_DRIVE_LETTERS
#define IS_SPECIAL(entry_core) \
((entry_core)->r != NULL \
|| ((entry_core)->d[0] != '/' && (entry_core)->d[1] != ':'))
#else
#define IS_SPECIAL(entry_core) \
((entry_core)->r != NULL || (entry_core)->d[0] != '/')
#endif
/* 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 a "special" section has infinite components).
*/
struct reorder_sort_rec {
void *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 = (core_dir_config *)ap_get_module_config(a->elt, &core_module);
core_b = (core_dir_config *)ap_get_module_config(b->elt, &core_module);
if (IS_SPECIAL(core_a)) {
if (!IS_SPECIAL(core_b)) {
return 1;
}
}
else if (IS_SPECIAL(core_b)) {
return -1;
}
else {
/* we know they're both not special */
if (core_a->d_components < core_b->d_components) {
return -1;
}
else if (core_a->d_components > core_b->d_components) {
return 1;
}
}
/* Either they're both special, or they're both not special and have the
* same number of components. In any event, we now have to compare
* the minor key. */
return a->orig_index - b->orig_index;
}
void ap_core_reorder_directories(ap_context_t *p, server_rec *s)
{
core_server_config *sconf;
ap_array_header_t *sec;
struct reorder_sort_rec *sortbin;
int nelts;
void **elts;
int i;
ap_context_t *tmp;
sconf = ap_get_module_config(s->module_config, &core_module);
sec = sconf->sec;
nelts = sec->nelts;
elts = (void **)sec->elts;
/* we have to allocate tmp space to do a stable sort */
ap_create_context(&tmp, p);
sortbin = ap_palloc(tmp, sec->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;
}
ap_destroy_pool(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...
*/
API_EXPORT(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;
}
API_EXPORT(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;
}
API_EXPORT(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;
}
API_EXPORT(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;
}
API_EXPORT(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;
}
API_EXPORT(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;
}
API_EXPORT(const ap_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;
}
API_EXPORT(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;
}
/* 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 *conf;
conf = (core_dir_config *)ap_get_module_config(r->per_dir_config,
&core_module);
if (conf->response_code_strings == NULL) {
return NULL;
}
return conf->response_code_strings[error_index];
}
/* Code from Harald Hanche-Olsen <hanche@imf.unit.no> */
static ap_inline void do_double_reverse (conn_rec *conn)
{
struct hostent *hptr;
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;
}
hptr = gethostbyname(conn->remote_host);
if (hptr) {
char **haddr;
for (haddr = hptr->h_addr_list; *haddr; haddr++) {
if (((struct in_addr *)(*haddr))->s_addr
== conn->remote_addr.sin_addr.s_addr) {
conn->double_reverse = 1;
return;
}
}
}
conn->double_reverse = -1;
}
API_EXPORT(const char *) ap_get_remote_host(conn_rec *conn, void *dir_config,
int type)
{
struct in_addr *iaddr;
struct hostent *hptr;
int hostname_lookups;
/* 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)) {
iaddr = &(conn->remote_addr.sin_addr);
hptr = gethostbyaddr((char *)iaddr, sizeof(struct in_addr), AF_INET);
if (hptr != NULL) {
conn->remote_host = ap_pstrdup(conn->pool, (void *)hptr->h_name);
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 {
return conn->remote_ip;
}
}
}
API_EXPORT(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 connectiona 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
*/
API_EXPORT(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) {
struct in_addr *iaddr;
struct hostent *hptr;
iaddr = &(conn->local_addr.sin_addr);
hptr = gethostbyaddr((char *)iaddr, sizeof(struct in_addr),
AF_INET);
if (hptr != NULL) {
conn->local_host = ap_pstrdup(conn->pool,
(void *)hptr->h_name);
ap_str_tolower(conn->local_host);
}
else {
conn->local_host = ap_pstrdup(conn->pool,
r->server->server_hostname);
}
}
return conn->local_host;
}
/* default */
return r->server->server_hostname;
}
API_EXPORT(unsigned) ap_get_server_port(const request_rec *r)
{
unsigned port;
core_dir_config *d =
(core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
port = r->server->port ? r->server->port : ap_default_port(r);
if (d->use_canonical_name == USE_CANONICAL_NAME_OFF
|| d->use_canonical_name == USE_CANONICAL_NAME_DNS) {
return r->hostname ? ntohs(r->connection->local_addr.sin_port)
: port;
}
/* default */
return port;
}
API_EXPORT(char *) ap_construct_url(ap_context_t *p, const char *uri,
request_rec *r)
{
unsigned port = ap_get_server_port(r);
const char *host = ap_get_server_name(r);
if (ap_is_default_port(port, r)) {
return ap_pstrcat(p, ap_http_method(r), "://", host, uri, NULL);
}
return ap_psprintf(p, "%s://%s:%u%s", ap_http_method(r), host, port, uri);
}
API_EXPORT(unsigned long) 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);
return d->limit_req_body;
}
#ifdef WIN32
static char* get_interpreter_from_win32_registry(ap_context_t *p, const char* ext)
{
char extension_path[] = "SOFTWARE\\Classes\\";
char executable_path[] = "\\SHELL\\OPEN\\COMMAND";
HKEY hkeyOpen;
DWORD type;
int size;
int result;
char *keyName;
char *buffer;
char *s;
if (!ext)
return NULL;
/*
* Future optimization:
* When the registry is successfully searched, store the interpreter
* string in a ap_table_t to make subsequent look-ups faster
*/
/* Open the key associated with the script extension */
keyName = ap_pstrcat(p, extension_path, ext, NULL);
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, KEY_QUERY_VALUE,
&hkeyOpen);
if (result != ERROR_SUCCESS)
return NULL;
/* Read to NULL buffer to find value size */
size = 0;
result = RegQueryValueEx(hkeyOpen, "", NULL, &type, NULL, &size);
if (result == ERROR_SUCCESS) {
buffer = ap_palloc(p, size);
result = RegQueryValueEx(hkeyOpen, "", NULL, &type, buffer, &size);
}
RegCloseKey(hkeyOpen);
if (result != ERROR_SUCCESS)
return NULL;
/* Open the key associated with the interpreter path */
keyName = ap_pstrcat(p, extension_path, buffer, executable_path, NULL);
result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, KEY_QUERY_VALUE,
&hkeyOpen);
if (result != ERROR_SUCCESS)
return NULL;
/* Read to NULL buffer to find value size */
size = 0;
result = RegQueryValueEx(hkeyOpen, "", 0, &type, NULL, &size);
if (result == ERROR_SUCCESS) {
buffer = ap_palloc(p, size);
result = RegQueryValueEx(hkeyOpen, "", 0, &type, buffer, &size);
}
RegCloseKey(hkeyOpen);
if (result != ERROR_SUCCESS)
return NULL;
/*
* The canonical way shell command entries are entered in the Win32
* registry is as follows:
* shell [options] "%1"
* where
* shell - full path name to interpreter or shell to run.
* E.g., c:\usr\local\ntreskit\perl\bin\perl.exe
* options - optional switches
* E.g., \C
* "%1" - Place holder for file to run the shell against.
* Typically quoted.
*
* If we find a %1 or a quoted %1, lop it off.
*/
if (buffer && *buffer) {
if ((s = strstr(buffer, "\"%1")))
*s = '\0';
else if ((s = strstr(buffer, "%1")))
*s = '\0';
}
return buffer;
}
API_EXPORT (file_type_e) ap_get_win32_interpreter(const request_rec *r,
char** interpreter )
{
HANDLE hFile;
DWORD nBytesRead;
BOOLEAN bResult;
char buffer[1024];
core_dir_config *d;
int i;
file_type_e fileType = eFileTypeUNKNOWN;
char *ext = NULL;
char *exename = NULL;
d = (core_dir_config *)ap_get_module_config(r->per_dir_config,
&core_module);
/* Find the file extension */
exename = strrchr(r->filename, '/');
if (!exename) {
exename = strrchr(r->filename, '\\');
}
if (!exename) {
exename = r->filename;
}
else {
exename++;
}
ext = strrchr(exename, '.');
if (ext && (!strcasecmp(ext,".bat") || !strcasecmp(ext,".cmd"))) {
return eFileTypeEXE32;
}
/* If the file has an extension and it is not .com and not .exe and
* we've been instructed to search the registry, then do it!
*/
if (ext && strcasecmp(ext,".exe") && strcasecmp(ext,".com") &&
d->script_interpreter_source == INTERPRETER_SOURCE_REGISTRY) {
/* Check the registry */
*interpreter = get_interpreter_from_win32_registry(r->pool, ext);
if (*interpreter)
return eFileTypeSCRIPT;
else {
ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_INFO, 0, r->server,
"ScriptInterpreterSource config directive set to \"registry\".\n\t"
"Registry was searched but interpreter not found. Trying the shebang line.");
}
}
/* Need to peek into the file figure out what it really is... */
hFile = CreateFile(r->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
return eFileTypeUNKNOWN;
}
bResult = ReadFile(hFile, (void*) &buffer, sizeof(buffer) - 1,
&nBytesRead, NULL);
if (!bResult || (nBytesRead == 0)) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, GetLastError(), r,
"ReadFile(%s) failed", r->filename);
CloseHandle(hFile);
return eFileTypeUNKNOWN;
}
CloseHandle(hFile);
buffer[nBytesRead] = '\0';
/* Script or executable, that is the question... */
if ((buffer[0] == '#') && (buffer[1] == '!')) {
/* Assuming file is a script since it starts with a shebang */
fileType = eFileTypeSCRIPT;
for (i = 2; i < sizeof(buffer); i++) {
if ((buffer[i] == '\r')
|| (buffer[i] == '\n')) {
break;
}
}
buffer[i] = '\0';
for (i = 2; buffer[i] == ' ' ; ++i)
;
*interpreter = ap_pstrdup(r->pool, buffer + i );
}
else {
/* Not a script, is it an executable? */
IMAGE_DOS_HEADER *hdr = (IMAGE_DOS_HEADER*)buffer;
if ((nBytesRead >= sizeof(IMAGE_DOS_HEADER)) && (hdr->e_magic == IMAGE_DOS_SIGNATURE)) {
if (hdr->e_lfarlc < 0x40)
fileType = eFileTypeEXE16;
else
fileType = eFileTypeEXE32;
}
else
fileType = eFileTypeUNKNOWN;
}
return fileType;
}
#endif
/*****************************************************************
*
* Commands... this module handles almost all of the NCSA httpd.conf
* commands, but most of the old srm.conf is in the the modules.
*/
static const char end_directory_section[] = "</Directory>";
static const char end_directorymatch_section[] = "</DirectoryMatch>";
static const char end_location_section[] = "</Location>";
static const char end_locationmatch_section[] = "</LocationMatch>";
static const char end_files_section[] = "</Files>";
static const char end_filesmatch_section[] = "</FilesMatch>";
static const char end_virtualhost_section[] = "</VirtualHost>";
static const char end_ifmodule_section[] = "</IfModule>";
static const char end_ifdefine_section[] = "</IfDefine>";
API_EXPORT(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] != '>')
? ">" : "";
if ((forbidden & NOT_IN_VIRTUALHOST) && cmd->server->is_virtual) {
return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
" cannot occur within <VirtualHost> section", NULL);
}
if ((forbidden & NOT_IN_LIMIT) && cmd->limited != -1) {
return ap_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
&& cmd->path != NULL) {
return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
" cannot occur within <Directory/Location/Files> "
"section", NULL);
}
if (((forbidden & NOT_IN_DIRECTORY)
&& (cmd->end_token == end_directory_section
|| cmd->end_token == end_directorymatch_section))
|| ((forbidden & NOT_IN_LOCATION)
&& (cmd->end_token == end_location_section
|| cmd->end_token == end_locationmatch_section))
|| ((forbidden & NOT_IN_FILES)
&& (cmd->end_token == end_files_section
|| cmd->end_token == end_filesmatch_section))) {
return ap_pstrcat(cmd->pool, cmd->cmd->name, gt,
" cannot occur within <", cmd->end_token+2,
" section", NULL);
}
return NULL;
}
static const char *set_access_name(cmd_parms *cmd, void *dummy, 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 = ap_pstrdup(cmd->pool, arg);
return NULL;
}
#ifdef GPROF
static const char *set_gprof_dir(cmd_parms *cmd, void *dummy, 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 = ap_pstrdup(cmd->pool, arg);
return NULL;
}
#endif /*GPROF*/
static const char *set_document_root(cmd_parms *cmd, void *dummy, 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;
}
arg = ap_os_canonical_filename(cmd->pool, arg);
if (/* TODO: ap_configtestonly && ap_docrootcheck && */ !ap_is_directory(arg)) {
if (cmd->server->is_virtual) {
ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,
"Warning: DocumentRoot [%s] does not exist",
arg);
}
else {
return "DocumentRoot must be a directory";
}
}
conf->ap_document_root = arg;
return NULL;
}
API_EXPORT(void) ap_custom_response(request_rec *r, int status, char *string)
{
core_dir_config *conf =
ap_get_module_config(r->per_dir_config, &core_module);
int idx;
if(conf->response_code_strings == NULL) {
conf->response_code_strings =
ap_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 != '"')) ?
ap_pstrdup(r->pool, string) : ap_pstrcat(r->pool, "\"", string, NULL);
}
static const char *set_error_document(cmd_parms *cmd, core_dir_config *conf,
char *line)
{
int error_number, index_number, idx500;
char *w;
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
*/
w = ap_getword_conf_nc(cmd->pool, &line);
error_number = atoi(w);
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 ap_pstrcat(cmd->pool, "Unsupported HTTP response code ",
w, NULL);
}
/* The entry should be ignored if it is a full URL for a 401 error */
if (error_number == 401 &&
line[0] != '/' && line[0] != '"') { /* Ignore it... */
ap_log_error(APLOG_MARK, APLOG_NOERRNO|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 =
ap_pcalloc(cmd->pool,
sizeof(*conf->response_code_strings) * RESPONSE_CODES);
}
conf->response_code_strings[index_number] = ap_pstrdup(cmd->pool, line);
}
return NULL;
}
/* access.conf commands...
*
* The *only* thing that can appear in access.conf at top level is a
* <Directory> section. NB we need to have a way to cut the srm_command_loop
* invoked by dirsection (i.e., <Directory>) short when </Directory> is seen.
* We do that by returning an error, which dirsection itself recognizes and
* discards as harmless. Cheesy, but it works.
*/
static const char *set_override(cmd_parms *cmd, core_dir_config *d,
const char *l)
{
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 ap_pstrcat(cmd->pool, "Illegal override option ", w, NULL);
}
d->override &= ~OR_UNSET;
}
return NULL;
}
static const char *set_options(cmd_parms *cmd, core_dir_config *d,
const char *l)
{
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 ap_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;
}
static const char *satisfy(cmd_parms *cmd, core_dir_config *c, char *arg)
{
if (!strcasecmp(arg, "all")) {
c->satisfy = SATISFY_ALL;
}
else if (!strcasecmp(arg, "any")) {
c->satisfy = SATISFY_ANY;
}
else {
return "Satisfy either 'any' or 'all'.";
}
return NULL;
}
static const char *require(cmd_parms *cmd, core_dir_config *c, char *arg)
{
require_line *r;
if (!c->ap_requires) {
c->ap_requires = ap_make_array(cmd->pool, 2, sizeof(require_line));
}
r = (require_line *)ap_push_array(c->ap_requires);
r->requirement = ap_pstrdup(cmd->pool, arg);
r->method_mask = cmd->limited;
return NULL;
}
CORE_EXPORT_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;
int limited = 0;
const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
if (err != NULL) {
return err;
}
/* XXX: NB: Currently, we have no way of checking
* whether <Limit> or <LimitExcept> sections are closed properly.
* (If we would add a srm_command_loop() here we might...)
*/
while (limited_methods[0]) {
char *method = ap_getword_conf(cmd->pool, &limited_methods);
int methnum = ap_method_number_of(method);
if (methnum == M_TRACE && !tog) {
return "TRACE cannot be controlled by <Limit>";
}
else if (methnum == M_INVALID) {
return ap_pstrcat(cmd->pool, "unknown method \"", method,
"\" in <Limit", tog ? "Except>" : ">", NULL);
}
else {
limited |= (1 << methnum);
}
}
/* Killing two features with one function,
* if (tog == NULL) <Limit>, else <LimitExcept>
*/
cmd->limited = tog ? ~limited : limited;
return NULL;
}
static const char *endlimit_section(cmd_parms *cmd, void *dummy, void *dummy2)
{
void *tog = cmd->cmd->cmd_data;
if (cmd->limited == -1) {
return tog ? "</LimitExcept> unexpected" : "</Limit> unexpected";
}
cmd->limited = -1;
return NULL;
}
/*
* When a section is not closed properly when end-of-file is reached,
* then an error message should be printed:
*/
static const char *missing_endsection(cmd_parms *cmd, int nest)
{
if (nest < 2) {
return ap_psprintf(cmd->pool, "Missing %s directive at end-of-file",
cmd->end_token);
}
return ap_psprintf(cmd->pool, "%d missing %s directives at end-of-file",
nest, cmd->end_token);
}
/* 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
static const char *end_nested_section(cmd_parms *cmd, void *dummy)
{
if (cmd->end_token == NULL) {
return ap_pstrcat(cmd->pool, cmd->cmd->name,
" without matching <", cmd->cmd->name + 2,
" section", NULL);
}
/*
* This '!=' may look weird on a string comparison, but it's correct --
* it's been set up so that checking for two pointers to the same datum
* is valid here. And faster.
*/
if (cmd->cmd->name != cmd->end_token) {
return ap_pstrcat(cmd->pool, "Expected ", cmd->end_token, " but saw ",
cmd->cmd->name, NULL);
}
return cmd->end_token;
}
/*
* Report a missing-'>' syntax error.
*/
static char *unclosed_directive(cmd_parms *cmd)
{
return ap_pstrcat(cmd->pool, cmd->cmd->name,
"> directive missing closing '>'", NULL);
}
static const char *dirsection(cmd_parms *cmd, void *dummy, const char *arg)
{
const char *errmsg;
char *endp = strrchr(arg, '>');
int old_overrides = cmd->override;
char *old_path = cmd->path;
core_dir_config *conf;
void *new_dir_conf = ap_create_per_dir_config(cmd->pool);
regex_t *r = NULL;
const char *old_end_token;
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);
}
*endp = '\0';
cmd->path = ap_getword_conf(cmd->pool, &arg);
cmd->override = OR_ALL|ACCESS_CONF;
if (thiscmd->cmd_data) { /* <DirectoryMatch> */
r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
}
else if (!strcmp(cmd->path, "~")) {
cmd->path = ap_getword_conf(cmd->pool, &arg);
r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
}
else {
/* Ensure that the pathname is canonical */
cmd->path = ap_os_canonical_filename(cmd->pool, cmd->path);
}
old_end_token = cmd->end_token;
cmd->end_token = thiscmd->cmd_data ? end_directorymatch_section : end_directory_section;
errmsg = ap_srm_command_loop(cmd, new_dir_conf);
if (errmsg == NULL) {
errmsg = missing_endsection(cmd, 1);
}
cmd->end_token = old_end_token;
if (errmsg != (thiscmd->cmd_data
? end_directorymatch_section
: end_directory_section)) {
return errmsg;
}
conf = (core_dir_config *)ap_get_module_config(new_dir_conf, &core_module);
conf->r = r;
ap_add_per_dir_conf(cmd->server, new_dir_conf);
if (*arg != '\0') {
return ap_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 *dummy, const char *arg)
{
const char *errmsg;
char *endp = strrchr(arg, '>');
int old_overrides = cmd->override;
char *old_path = cmd->path;
core_dir_config *conf;
regex_t *r = NULL;
const char *old_end_token;
const command_rec *thiscmd = cmd->cmd;
void *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);
}
*endp = '\0';
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);
}
else if (!strcmp(cmd->path, "~")) {
cmd->path = ap_getword_conf(cmd->pool, &arg);
r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED);
}
old_end_token = cmd->end_token;
cmd->end_token = thiscmd->cmd_data ? end_locationmatch_section
: end_location_section;
errmsg = ap_srm_command_loop(cmd, new_url_conf);
if (errmsg == NULL) {
errmsg = missing_endsection(cmd, 1);
}
cmd->end_token = old_end_token;
if (errmsg != (thiscmd->cmd_data
? end_locationmatch_section
: end_location_section)) {
return errmsg;
}
conf = (core_dir_config *)ap_get_module_config(new_url_conf, &core_module);
conf->d = ap_pstrdup(cmd->pool, cmd->path); /* No mangling, please */
conf->d_is_fnmatch = ap_is_fnmatch(conf->d) != 0;
conf->r = r;
ap_add_per_url_conf(cmd->server, new_url_conf);
if (*arg != '\0') {
return ap_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, core_dir_config *c,
const char *arg)
{
const char *errmsg;
char *endp = strrchr(arg, '>');
int old_overrides = cmd->override;
char *old_path = cmd->path;
core_dir_config *conf;
regex_t *r = NULL;
const char *old_end_token;
const command_rec *thiscmd = cmd->cmd;
void *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);
}
*endp = '\0';
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);
}
else if (!strcmp(cmd->path, "~")) {
cmd->path = ap_getword_conf(cmd->pool, &arg);
r = ap_pregcomp(cmd->pool, cmd->path, REG_EXTENDED|USE_ICASE);
}
else {
/* Ensure that the pathname is canonical */
cmd->path = ap_os_canonical_filename(cmd->pool, cmd->path);
}
old_end_token = cmd->end_token;
cmd->end_token = thiscmd->cmd_data ? end_filesmatch_section : end_files_section;
errmsg = ap_srm_command_loop(cmd, new_file_conf);
if (errmsg == NULL) {
errmsg = missing_endsection(cmd, 1);
}
cmd->end_token = old_end_token;
if (errmsg != (thiscmd->cmd_data
? end_filesmatch_section
: end_files_section)) {
return errmsg;
}
conf = (core_dir_config *)ap_get_module_config(new_file_conf,
&core_module);
conf->d = cmd->path;
conf->d_is_fnmatch = ap_is_fnmatch(conf->d) != 0;
conf->r = r;
ap_add_file_conf(c, new_file_conf);
if (*arg != '\0') {
return ap_pstrcat(cmd->pool, "Multiple ", thiscmd->name,
"> arguments not (yet) supported.", NULL);
}
cmd->path = old_path;
cmd->override = old_overrides;
return NULL;
}
/* XXX: NB: Currently, we have no way of checking
* whether <IfModule> sections are closed properly.
* Extra (redundant, unpaired) </IfModule> directives are
* simply silently ignored.
*/
static const char *end_ifmod(cmd_parms *cmd, void *dummy)
{
return NULL;
}
static const char *start_ifmod(cmd_parms *cmd, void *dummy, char *arg)
{
char *endp = strrchr(arg, '>');
char l[MAX_STRING_LEN];
int not = (arg[0] == '!');
module *found;
int nest = 1;
if (endp == NULL) {
return unclosed_directive(cmd);
}
*endp = '\0';
if (not) {
arg++;
}
found = ap_find_linked_module(arg);
if ((!not && found) || (not && !found)) {
return NULL;
}
while (nest && !(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
if (!strncasecmp(l, "<IfModule", 9)) {
nest++;
}
if (!strcasecmp(l, "</IfModule>")) {
nest--;
}
}
if (nest) {
cmd->end_token = end_ifmodule_section;
return missing_endsection(cmd, nest);
}
return NULL;
}
API_EXPORT(int) ap_exists_config_define(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 *end_ifdefine(cmd_parms *cmd, void *dummy)
{
return NULL;
}
static const char *start_ifdefine(cmd_parms *cmd, void *dummy, char *arg)
{
char *endp;
char l[MAX_STRING_LEN];
int defined;
int not = 0;
int nest = 1;
endp = strrchr(arg, '>');
if (endp == NULL) {
return unclosed_directive(cmd);
}
*endp = '\0';
if (arg[0] == '!') {
not = 1;
arg++;
}
defined = ap_exists_config_define(arg);
if ((!not && defined) || (not && !defined)) {
return NULL;
}
while (nest && !(ap_cfg_getline(l, MAX_STRING_LEN, cmd->config_file))) {
if (!strncasecmp(l, "<IfDefine", 9)) {
nest++;
}
if (!strcasecmp(l, "</IfDefine>")) {
nest--;
}
}
if (nest) {
cmd->end_token = end_ifdefine_section;
return missing_endsection(cmd, nest);
}
return NULL;
}
/* httpd.conf commands... beginning with the <VirtualHost> business */
static const char *virtualhost_section(cmd_parms *cmd, void *dummy, char *arg)
{
server_rec *main_server = cmd->server, *s;
const char *errmsg;
char *endp = strrchr(arg, '>');
ap_context_t *p = cmd->pool, *ptemp = cmd->temp_pool;
const char *old_end_token;
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
if (endp == NULL) {
return unclosed_directive(cmd);
}
*endp = '\0';
/* 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->config_file->name;
s->defn_line_number = cmd->config_file->line_number;
old_end_token = cmd->end_token;
cmd->end_token = end_virtualhost_section;
cmd->server = s;
errmsg = ap_srm_command_loop(cmd, s->lookup_defaults);
cmd->server = main_server;
if (errmsg == NULL) {
errmsg = missing_endsection(cmd, 1);
}
cmd->end_token = old_end_token;
if (s->srm_confname) {
ap_process_resource_config(s, s->srm_confname, p, ptemp);
}
if (s->access_confname) {
ap_process_resource_config(s, s->access_confname, p, ptemp);
}
if (errmsg == end_virtualhost_section) {
return NULL;
}
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 **)ap_push_array(cmd->server->wild_names);
}
else {
item = (char **)ap_push_array(cmd->server->names);
}
*item = name;
}
return NULL;
}
static const char *add_module_command(cmd_parms *cmd, void *dummy, char *arg)
{
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
if (!ap_add_named_module(arg)) {
return ap_pstrcat(cmd->pool, "Cannot add module via name '", arg,
"': not in list of loaded modules", NULL);
}
return NULL;
}
static const char *clear_module_list_command(cmd_parms *cmd, void *dummy)
{
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
ap_clear_module_list();
return NULL;
}
static const char *set_server_string_slot(cmd_parms *cmd, void *dummy,
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;
}
*(char **)(struct_ptr + offset) = arg;
return NULL;
}
static const char *server_port(cmd_parms *cmd, void *dummy, char *arg)
{
const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
int port;
if (err != NULL) {
return err;
}
port = atoi(arg);
if (port <= 0 || port >= 65536) { /* 65536 == 1<<16 */
return ap_pstrcat(cmd->temp_pool, "The port number \"", arg,
"\" is outside the appropriate range "
"(i.e., 1..65535).", NULL);
}
cmd->server->port = port;
return NULL;
}
static const char *set_signature_flag(cmd_parms *cmd, core_dir_config *d,
char *arg)
{
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, char *arg)
{
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
arg = ap_os_canonical_filename(cmd->pool, arg);
if (!ap_is_directory(arg)) {
return "ServerRoot must be a valid directory";
}
ap_server_root = arg;
return NULL;
}
static const char *set_timeout(cmd_parms *cmd, void *dummy, 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 = atoi(arg);
return NULL;
}
static const char *set_keep_alive_timeout(cmd_parms *cmd, void *dummy,
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->keep_alive_timeout = atoi(arg);
return NULL;
}
static const char *set_keep_alive(cmd_parms *cmd, void *dummy, char *arg)
{
const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
if (err != NULL) {
return err;
}
/* We've changed it to On/Off, but used to use numbers
* so we accept anything but "Off" or "0" as "On"
*/
if (!strcasecmp(arg, "off") || !strcmp(arg, "0")) {
cmd->server->keep_alive = 0;
}
else {
cmd->server->keep_alive = 1;
}
return NULL;
}
static const char *set_keep_alive_max(cmd_parms *cmd, void *dummy, 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->keep_alive_max = atoi(arg);
return NULL;
}
static const char *set_idcheck(cmd_parms *cmd, core_dir_config *d, int arg)
{
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_hostname_lookups(cmd_parms *cmd, core_dir_config *d,
char *arg)
{
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, 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, core_dir_config *d, int arg)
{
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_use_canonical_name(cmd_parms *cmd, core_dir_config *d,
char *arg)
{
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, char *name)
{
ap_process_resource_config(cmd->server,
ap_server_root_relative(cmd->pool, name),
cmd->pool, cmd->temp_pool);
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;
}
API_EXPORT(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 "";
}
ap_snprintf(sport, sizeof sport, "%u", (unsigned) ap_get_server_port(r));
if (conf->server_signature == srv_sig_withmail) {
return ap_pstrcat(r->pool, prefix, "<ADDRESS>" AP_SERVER_BASEVERSION
" Server at <A HREF=\"mailto:",
r->server->server_admin, "\">",
ap_get_server_name(r), "</A> Port ", sport,
"</ADDRESS>\n", NULL);
}
return ap_pstrcat(r->pool, prefix, "<ADDRESS>" AP_SERVER_BASEVERSION
" Server at ", 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, 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 const char *set_serv_tokens(cmd_parms *cmd, void *dummy, char *arg)
{
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
/* TODO: reimplement the server token stuff. */
#if 0
if (!strcasecmp(arg, "OS")) {
ap_server_tokens = SrvTk_OS;
}
else if (!strcasecmp(arg, "Min") || !strcasecmp(arg, "Minimal")) {
ap_server_tokens = SrvTk_MIN;
}
else {
ap_server_tokens = SrvTk_FULL;
}
#endif
return NULL;
}
static const char *set_limit_req_line(cmd_parms *cmd, void *dummy, 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 ap_pstrcat(cmd->temp_pool, "LimitRequestLine \"", arg,
"\" must be a non-negative integer", NULL);
}
if (lim > DEFAULT_LIMIT_REQUEST_LINE) {
return ap_psprintf(cmd->temp_pool, "LimitRequestLine \"%s\" "
"must not exceed the precompiled maximum of %d",
arg, DEFAULT_LIMIT_REQUEST_LINE);
}
cmd->server->limit_req_line = lim;
return NULL;
}
static const char *set_limit_req_fieldsize(cmd_parms *cmd, void *dummy,
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 ap_pstrcat(cmd->temp_pool, "LimitRequestFieldsize \"", arg,
"\" must be a non-negative integer (0 = no limit)",
NULL);
}
if (lim > DEFAULT_LIMIT_REQUEST_FIELDSIZE) {
return ap_psprintf(cmd->temp_pool, "LimitRequestFieldsize \"%s\" "
"must not exceed the precompiled maximum of %d",
arg, DEFAULT_LIMIT_REQUEST_FIELDSIZE);
}
cmd->server->limit_req_fieldsize = lim;
return NULL;
}
static const char *set_limit_req_fields(cmd_parms *cmd, void *dummy, 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 ap_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, core_dir_config *conf,
char *arg)
{
const char *err = ap_check_cmd_context(cmd, NOT_IN_LIMIT);
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 = (unsigned long)strtol(arg, (char **)NULL, 10);
return NULL;
}
#ifdef WIN32
static const char *set_interpreter_source(cmd_parms *cmd, core_dir_config *d,
char *arg)
{
if (!strcasecmp(arg, "registry")) {
d->script_interpreter_source = INTERPRETER_SOURCE_REGISTRY;
} else if (!strcasecmp(arg, "script")) {
d->script_interpreter_source = INTERPRETER_SOURCE_SHEBANG;
} else {
d->script_interpreter_source = INTERPRETER_SOURCE_SHEBANG;
}
return NULL;
}
#endif
/* 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 */
{ "<Directory", dirsection, NULL, RSRC_CONF, RAW_ARGS,
"Container for directives affecting resources located in the specified "
"directories" },
{ end_directory_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
"Marks end of <Directory>" },
{ "<Location", urlsection, NULL, RSRC_CONF, RAW_ARGS,
"Container for directives affecting resources accessed through the "
"specified URL paths" },
{ end_location_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
"Marks end of <Location>" },
{ "<VirtualHost", virtualhost_section, NULL, RSRC_CONF, RAW_ARGS,
"Container to map directives to a particular virtual host, takes one or "
"more host addresses" },
{ end_virtualhost_section, end_nested_section, NULL, RSRC_CONF, NO_ARGS,
"Marks end of <VirtualHost>" },
{ "<Files", filesection, NULL, OR_ALL, RAW_ARGS, "Container for directives "
"affecting files matching specified patterns" },
{ end_files_section, end_nested_section, NULL, OR_ALL, NO_ARGS,
"Marks end of <Files>" },
{ "<Limit", ap_limit_section, NULL, OR_ALL, RAW_ARGS, "Container for "
"authentication directives when accessed using specified HTTP methods" },
{ "</Limit>", endlimit_section, NULL, OR_ALL, NO_ARGS,
"Marks end of <Limit>" },
{ "<LimitExcept", ap_limit_section, (void*)1, OR_ALL, RAW_ARGS,
"Container for authentication directives to be applied when any HTTP "
"method other than those specified is used to access the resource" },
{ "</LimitExcept>", endlimit_section, (void*)1, OR_ALL, NO_ARGS,
"Marks end of <LimitExcept>" },
{ "<IfModule", start_ifmod, NULL, OR_ALL, TAKE1,
"Container for directives based on existance of specified modules" },
{ end_ifmodule_section, end_ifmod, NULL, OR_ALL, NO_ARGS,
"Marks end of <IfModule>" },
{ "<IfDefine", start_ifdefine, NULL, OR_ALL, TAKE1,
"Container for directives based on existance of command line defines" },
{ end_ifdefine_section, end_ifdefine, NULL, OR_ALL, NO_ARGS,
"Marks end of <IfDefine>" },
{ "<DirectoryMatch", dirsection, (void*)1, RSRC_CONF, RAW_ARGS,
"Container for directives affecting resources located in the "
"specified directories" },
{ end_directorymatch_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
"Marks end of <DirectoryMatch>" },
{ "<LocationMatch", urlsection, (void*)1, RSRC_CONF, RAW_ARGS,
"Container for directives affecting resources accessed through the "
"specified URL paths" },
{ end_locationmatch_section, end_nested_section, NULL, ACCESS_CONF, NO_ARGS,
"Marks end of <LocationMatch>" },
{ "<FilesMatch", filesection, (void*)1, OR_ALL, RAW_ARGS,
"Container for directives affecting files matching specified patterns" },
{ end_filesmatch_section, end_nested_section, NULL, OR_ALL, NO_ARGS,
"Marks end of <FilesMatch>" },
{ "AuthType", ap_set_string_slot,
(void*)XtOffsetOf(core_dir_config, ap_auth_type), OR_AUTHCFG, TAKE1,
"An HTTP authorization type (e.g., \"Basic\")" },
{ "AuthName", set_authname, NULL, OR_AUTHCFG, TAKE1,
"The authentication realm (e.g. \"Members Only\")" },
{ "Require", require, NULL, OR_AUTHCFG, RAW_ARGS,
"Selects which authenticated users or groups may access a protected space" },
{ "Satisfy", satisfy, NULL, OR_AUTHCFG, TAKE1,
"access policy if both allow and require used ('all' or 'any')" },
#ifdef GPROF
{ "GprofDir", set_gprof_dir, NULL, RSRC_CONF, TAKE1,
"Directory to plop gmon.out files" },
#endif
/* Old resource config file commands */
{ "AccessFileName", set_access_name, NULL, RSRC_CONF, RAW_ARGS,
"Name(s) of per-directory config files (default: .htaccess)" },
{ "DocumentRoot", set_document_root, NULL, RSRC_CONF, TAKE1,
"Root directory of the document tree" },
{ "ErrorDocument", set_error_document, NULL, OR_FILEINFO, RAW_ARGS,
"Change responses for HTTP errors" },
{ "AllowOverride", set_override, NULL, ACCESS_CONF, RAW_ARGS,
"Controls what groups of directives can be configured by per-directory "
"config files" },
{ "Options", set_options, NULL, OR_OPTIONS, RAW_ARGS,
"Set a number of attributes for a given directory" },
{ "DefaultType", ap_set_string_slot,
(void*)XtOffsetOf (core_dir_config, ap_default_type),
OR_FILEINFO, TAKE1, "the default MIME type for untypable files" },
/* Old server config file commands */
{ "Port", server_port, NULL, RSRC_CONF, TAKE1, "A TCP port number"},
{ "HostnameLookups", set_hostname_lookups, NULL, ACCESS_CONF|RSRC_CONF, TAKE1,
"\"on\" to enable, \"off\" to disable reverse DNS lookups, or \"double\" to "
"enable double-reverse DNS lookups" },
{ "ServerAdmin", set_server_string_slot,
(void *)XtOffsetOf (server_rec, server_admin), RSRC_CONF, TAKE1,
"The email address of the server administrator" },
{ "ServerName", set_server_string_slot,
(void *)XtOffsetOf (server_rec, server_hostname), RSRC_CONF, TAKE1,
"The hostname of the server" },
{ "ServerSignature", set_signature_flag, NULL, OR_ALL, TAKE1,
"En-/disable server signature (on|off|email)" },
{ "ServerRoot", set_server_root, NULL, RSRC_CONF, TAKE1,
"Common directory of server-related files (logs, confs, etc.)" },
{ "ErrorLog", set_server_string_slot,
(void *)XtOffsetOf (server_rec, error_fname), RSRC_CONF, TAKE1,
"The filename of the error log" },
{ "AccessConfig", set_server_string_slot,
(void *)XtOffsetOf (server_rec, access_confname), RSRC_CONF, TAKE1,
"The filename of the access config file" },
{ "ResourceConfig", set_server_string_slot,
(void *)XtOffsetOf (server_rec, srm_confname), RSRC_CONF, TAKE1,
"The filename of the resource config file" },
{ "ServerAlias", set_server_alias, NULL, RSRC_CONF, RAW_ARGS,
"A name or names alternately used to access the server" },
{ "ServerPath", set_serverpath, NULL, RSRC_CONF, TAKE1,
"The pathname the server can be reached at" },
{ "Timeout", set_timeout, NULL, RSRC_CONF, TAKE1, "Timeout duration (sec)" },
{ "KeepAliveTimeout", set_keep_alive_timeout, NULL, RSRC_CONF, TAKE1,
"Keep-Alive timeout duration (sec)"},
{ "MaxKeepAliveRequests", set_keep_alive_max, NULL, RSRC_CONF, TAKE1,
"Maximum number of Keep-Alive requests per connection, or 0 for infinite" },
{ "KeepAlive", set_keep_alive, NULL, RSRC_CONF, TAKE1,
"Whether persistent connections should be On or Off" },
{ "IdentityCheck", set_idcheck, NULL, RSRC_CONF|ACCESS_CONF, FLAG,
"Enable identd (RFC 1413) user lookups - SLOW" },
{ "ContentDigest", set_content_md5, NULL, OR_OPTIONS,
FLAG, "whether or not to send a Content-MD5 header with each request" },
{ "UseCanonicalName", set_use_canonical_name, NULL,
RSRC_CONF|ACCESS_CONF, TAKE1,
"How to work out the ServerName : Port when constructing URLs" },
/* TODOC: MaxServers is deprecated */
/* TODOC: ServersSafetyLimit is deprecated */
/* TODO: RlimitFoo should all be part of mod_cgi, not in the core */
/* TODOC: BindAddress deprecated */
{ "AddModule", add_module_command, NULL, RSRC_CONF, ITERATE,
"The name of a module" },
{ "ClearModuleList", clear_module_list_command, NULL, RSRC_CONF, NO_ARGS,
NULL },
/* TODO: ListenBacklog in MPM */
{ "Include", include_config, NULL, (RSRC_CONF | ACCESS_CONF), TAKE1,
"Name of the config file to be included" },
{ "LogLevel", set_loglevel, NULL, RSRC_CONF, TAKE1,
"Level of verbosity in error logging" },
{ "NameVirtualHost", ap_set_name_virtual_host, NULL, RSRC_CONF, TAKE1,
"A numeric IP address:port, or the name of a host" },
#ifdef _OSD_POSIX
{ "BS2000Account", set_bs2000_account, NULL, RSRC_CONF, TAKE1,
"Name of server User's bs2000 logon account name" },
#endif
#ifdef WIN32
{ "ScriptInterpreterSource", set_interpreter_source, NULL, OR_FILEINFO, TAKE1,
"Where to find interpreter to run Win32 scripts (Registry or script shebang line)" },
#endif
{ "ServerTokens", set_serv_tokens, NULL, RSRC_CONF, TAKE1,
"Determine tokens displayed in the Server: header - Min(imal), OS or Full" },
{ "LimitRequestLine", set_limit_req_line, NULL, RSRC_CONF, TAKE1,
"Limit on maximum size of an HTTP request line"},
{ "LimitRequestFieldsize", set_limit_req_fieldsize, NULL, RSRC_CONF, TAKE1,
"Limit on maximum size of an HTTP request header field"},
{ "LimitRequestFields", set_limit_req_fields, NULL, RSRC_CONF, TAKE1,
"Limit (0 = unlimited) on max number of header fields in a request message"},
{ "LimitRequestBody", set_limit_req_body,
(void*)XtOffsetOf(core_dir_config, limit_req_body),
OR_ALL, TAKE1,
"Limit (in bytes) on maximum size of request message body" },
{ NULL }
};
/*****************************************************************
*
* Core handlers for various phases of server operation...
*/
static int core_translate(request_rec *r)
{
void *sconf = r->server->module_config;
core_server_config *conf = ap_get_module_config(sconf, &core_module);
if (r->proxyreq) {
return HTTP_FORBIDDEN;
}
if ((r->uri[0] != '/') && strcmp(r->uri, "*")) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid URI in request %s", r->the_request);
return 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')) {
r->filename = ap_pstrcat(r->pool, conf->ap_document_root,
(r->uri + r->server->pathlen), NULL);
}
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 /
*/
if ((conf->ap_document_root[strlen(conf->ap_document_root)-1] == '/')
&& (*(r->uri) == '/')) {
r->filename = ap_pstrcat(r->pool, conf->ap_document_root, r->uri+1,
NULL);
}
else {
r->filename = ap_pstrcat(r->pool, conf->ap_document_root, r->uri,
NULL);
}
}
return OK;
}
static int do_nothing(request_rec *r) { return OK; }
/*
* Default handler for MIME types without other handlers. Only GET
* and OPTIONS at this point... anyone who wants to write a generic
* handler for PUT or POST is free to do so, but it seems unwise to provide
* any defaults yet... So, for now, we assume that this will always be
* the last handler called and return 405 or 501.
*/
static int default_handler(request_rec *r)
{
core_dir_config *d =
(core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
int rangestatus, errstatus;
ap_file_t *fd = NULL;
ap_status_t status;
#ifdef USE_MMAP_FILES
ap_mmap_t *mm = NULL;
#endif
#ifdef CHARSET_EBCDIC
/* To make serving of "raw ASCII text" files easy (they serve faster
* since they don't have to be converted from EBCDIC), a new
* "magic" type prefix was invented: text/x-ascii-{plain,html,...}
* If we detect one of these content types here, we simply correct
* the type to the real text/{plain,html,...} type. Otherwise, we
* set a flag that translation is required later on.
*/
int convert_flag = ap_checkconv(r);
#endif
/* This handler has no use for a request body (yet), but we still
* need to read and discard it if the client sent one.
*/
if ((errstatus = ap_discard_request_body(r)) != OK) {
return errstatus;
}
r->allowed |= (1 << M_GET) | (1 << M_OPTIONS);
if (r->method_number == M_INVALID) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid method in request %s", r->the_request);
return NOT_IMPLEMENTED;
}
if (r->method_number == M_OPTIONS) {
return ap_send_http_options(r);
}
if (r->method_number == M_PUT) {
return METHOD_NOT_ALLOWED;
}
if (r->finfo.protection == 0 || (r->path_info && *r->path_info)) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, r,
"File does not exist: %s",r->path_info ?
ap_pstrcat(r->pool, r->filename, r->path_info, NULL)
: r->filename);
return HTTP_NOT_FOUND;
}
if (r->method_number != M_GET) {
return METHOD_NOT_ALLOWED;
}
if ((status = ap_open(&fd, r->filename, APR_READ | APR_BINARY, 0, r->pool)) != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
"file permissions deny server access: %s", r->filename);
return FORBIDDEN;
}
ap_update_mtime(r, r->finfo.mtime);
ap_set_last_modified(r);
ap_set_etag(r);
ap_table_setn(r->headers_out, "Accept-Ranges", "bytes");
if (((errstatus = ap_meets_conditions(r)) != OK)
|| (errstatus = ap_set_content_length(r, r->finfo.size))) {
ap_close(fd);
return errstatus;
}
#ifdef USE_MMAP_FILES
if ((r->finfo.size >= MMAP_THRESHOLD)
&& (r->finfo.size < MMAP_LIMIT)
&& (!r->header_only || (d->content_md5 & 1))) {
/* we need to protect ourselves in case we die while we've got the
* file mmapped */
if (ap_mmap_create(&mm, fd, 0, r->finfo.size, r->pool) != APR_SUCCESS){
ap_log_rerror(APLOG_MARK, APLOG_CRIT, errno, r,
"default_handler: mmap failed: %s", r->filename);
mm = NULL;
}
}
else {
mm = NULL;
}
if (mm == NULL) {
#endif
#ifdef CHARSET_EBCDIC
if (d->content_md5 & 1) {
ap_table_setn(r->headers_out, "Content-MD5",
ap_md5digest(r->pool, fd, convert_flag));
}
#else
if (d->content_md5 & 1) {
ap_table_setn(r->headers_out, "Content-MD5",
ap_md5digest(r->pool, fd));
}
#endif /* CHARSET_EBCDIC */
rangestatus = ap_set_byterange(r);
ap_send_http_header(r);
if (!r->header_only) {
if (!rangestatus) {
ap_send_fd(fd, r);
}
else {
long length;
ap_off_t offset;
while (ap_each_byterange(r, &offset, &length)) {
if ((status = ap_seek(fd, APR_SET, &offset)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, status, r->server,
"error byteserving file: %s", r->filename);
ap_close(fd);
return HTTP_INTERNAL_SERVER_ERROR;
}
ap_send_fd_length(fd, r, length);
}
}
}
#ifdef USE_MMAP_FILES
}
else {
char *addr;
ap_mmap_offset((void**)&addr, mm ,0);
if (d->content_md5 & 1) {
AP_MD5_CTX context;
ap_MD5Init(&context);
ap_MD5Update(&context, addr, (unsigned int)r->finfo.size);
ap_table_setn(r->headers_out, "Content-MD5",
ap_md5contextTo64(r->pool, &context));
}
rangestatus = ap_set_byterange(r);
ap_send_http_header(r);
if (!r->header_only) {
if (!rangestatus) {
ap_send_mmap(mm, r, 0, r->finfo.size);
}
else {
ap_off_t offset;
long length;
while (ap_each_byterange(r, &offset, &length)) {
ap_send_mmap(mm, r, offset, length);
}
}
}
}
#endif
ap_close(fd);
return OK;
}
static const handler_rec core_handlers[] = {
{ "*/*", default_handler },
{ "default-handler", default_handler },
{ NULL, NULL }
};
static void core_open_logs(ap_context_t *pconf, ap_context_t *plog, ap_context_t *ptemp, server_rec *s)
{
ap_open_logs(s, pconf);
}
static const char *core_method(const request_rec *r)
{ return "http"; }
static unsigned short core_port(const request_rec *r)
{ return DEFAULT_HTTP_PORT; }
static void register_hooks(void)
{
ap_hook_translate_name(core_translate,NULL,NULL,HOOK_REALLY_LAST);
ap_hook_process_connection(ap_process_http_connection,NULL,NULL,
HOOK_REALLY_LAST);
ap_hook_http_method(core_method,NULL,NULL,HOOK_REALLY_LAST);
ap_hook_default_port(core_port,NULL,NULL,HOOK_REALLY_LAST);
ap_hook_open_logs(core_open_logs,NULL,NULL,HOOK_MIDDLE);
/* FIXME: I suspect we can eliminate the need for these - Ben */
ap_hook_type_checker(do_nothing,NULL,NULL,HOOK_REALLY_LAST);
ap_hook_access_checker(do_nothing,NULL,NULL,HOOK_REALLY_LAST);
}
API_VAR_EXPORT 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 ap_table_t */
core_handlers, /* handlers */
register_hooks /* register hooks */
};