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php-src/mod_php3.c
Zeev Suraski 4b98f345d1 php3_ini? What's that?
1999-04-10 17:39:08 +00:00

430 lines
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/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
| (with helpful hints from Dean Gaudet <dgaudet@arctic.org> |
| PHP4 patches by Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef THREAD_SAFE
#include "tls.h"
#include "php.h"
#else
#include "httpd.h"
#include "http_config.h"
#if MODULE_MAGIC_NUMBER > 19980712
#include "ap_compat.h"
#else
#if MODULE_MAGIC_NUMBER > 19980324
#include "compat.h"
#endif
#endif
#include "http_core.h"
#include "http_main.h"
#include "http_protocol.h"
#include "http_request.h"
#include "http_log.h"
#endif
/* These are taken out of php_ini.h
* they must be updated if php_ini.h changes!
*/
#define PHP_INI_USER (1<<0)
#define PHP_INI_PERDIR (1<<1)
#define PHP_INI_SYSTEM (1<<2)
#include "util_script.h"
#include "php_version.h"
#include "mod_php3.h"
#if HAVE_MOD_DAV
# include "mod_dav.h"
#endif
/* ### these should be defined in mod_php3.h or somewhere else */
#define USE_PATH 1
#define IGNORE_URL 2
module MODULE_VAR_EXPORT php3_module;
#ifndef THREAD_SAFE
int saved_umask;
#else
#define GLOBAL(a) php3_globals->a
#define STATIC GLOBAL
#define TLS_VARS \
php3_globals_struct *php3_globals; \
php3_globals = TlsGetValue(TlsIndex);
#endif
#ifndef TLS_VARS
#define TLS_VARS
#endif
#ifndef GLOBAL
#define GLOBAL(x) x
#endif
#if WIN32|WINNT
/* popenf isn't working on Windows, use open instead*/
# ifdef popenf
# undef popenf
# endif
# define popenf(p,n,f,m) open((n),(f),(m))
# ifdef pclosef
# undef pclosef
# endif
# define pclosef(p,f) close(f)
#else
# define php3i_popenf(p,n,f,m) popenf((p),(n),(f),(m))
#endif
php_apache_info_struct php_apache_info; /* active config */
int apache_php3_module_main(request_rec * r, int fd, int display_source_mode);
extern int php3_module_startup();
extern void php3_module_shutdown();
extern void php3_module_shutdown_for_exec();
extern int tls_create(void);
extern int tls_destroy(void);
extern int tls_startup(void);
extern int tls_shutdown(void);
#if WIN32|WINNT
/*
we will want to change this to the apache api
process and thread entry and exit functions
*/
BOOL WINAPI DllMain(HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved)
{
switch( ul_reason_for_call ) {
case DLL_PROCESS_ATTACH:
/*
I should be loading ini vars here
and doing whatever true global inits
need to be done
*/
if (!tls_startup())
return 0;
if (!tls_create())
return 0;
break;
case DLL_THREAD_ATTACH:
if (!tls_create())
return 0;
/* if (php3_module_startup()==FAILURE) {
return FAILURE;
}
*/ break;
case DLL_THREAD_DETACH:
if (!tls_destroy())
return 0;
/* if (initialized) {
php3_module_shutdown();
return SUCCESS;
} else {
return FAILURE;
}
*/ break;
case DLL_PROCESS_DETACH:
/*
close down anything down in process_attach
*/
if (!tls_destroy())
return 0;
if (!tls_shutdown())
return 0;
break;
}
return 1;
}
#endif
void php3_save_umask()
{
TLS_VARS;
GLOBAL(saved_umask) = umask(077);
umask(GLOBAL(saved_umask));
}
void php3_restore_umask()
{
TLS_VARS;
umask(GLOBAL(saved_umask));
}
int send_php3(request_rec *r, int display_source_mode, char *filename)
{
int fd, retval;
/* We don't accept OPTIONS requests, but take everything else */
if (r->method_number == M_OPTIONS) {
r->allowed |= (1 << METHODS) - 1;
return DECLINED;
}
/* Make sure file exists */
if (filename == NULL && r->finfo.st_mode == 0) {
return NOT_FOUND;
}
/* If PHP parser engine has been turned off with a "php3_engine off"
* directive, then decline to handle this request
*/
if (!php_apache_info.engine) {
r->content_type = "text/html";
r->allowed |= (1 << METHODS) - 1;
return DECLINED;
}
if (filename == NULL) {
filename = r->filename;
}
/* Open the file */
if ((fd = popenf(r->pool, filename, O_RDONLY, 0)) == -1) {
log_reason("file permissions deny server access", filename, r);
return FORBIDDEN;
}
/* Apache 1.2 has a more complex mechanism for reading POST data */
#if MODULE_MAGIC_NUMBER > 19961007
if ((retval = setup_client_block(r, REQUEST_CHUNKED_ERROR)))
return retval;
#endif
if (php_apache_info.last_modified) {
#if MODULE_MAGIC_NUMBER < 19970912
if ((retval = set_last_modified(r, r->finfo.st_mtime))) {
return retval;
}
#else
update_mtime (r, r->finfo.st_mtime);
set_last_modified(r);
set_etag(r);
#endif
}
/* Assume output will be HTML. Individual scripts may change this
further down the line */
r->content_type = "text/html";
/* Init timeout */
hard_timeout("send", r);
php3_save_umask();
chdir_file(filename);
add_common_vars(r);
add_cgi_vars(r);
apache_php3_module_main(r, fd, display_source_mode);
/* Done, restore umask, turn off timeout, close file and return */
php3_restore_umask();
kill_timeout(r);
pclosef(r->pool, fd);
return OK;
}
int send_parsed_php3(request_rec * r)
{
return send_php3(r, 0, NULL);
}
int send_parsed_php3_source(request_rec * r)
{
return send_php3(r, 0, NULL);
}
/*
* Create the per-directory config structure with defaults
*/
static void *php3_create_dir(pool * p, char *dummy)
{
php_apache_info_struct *new;
new = (php_apache_info_struct *) palloc(p, sizeof(php_apache_info_struct));
memcpy(new, &php_apache_info, sizeof(php_apache_info_struct));
return new;
}
#if MODULE_MAGIC_NUMBER > 19961007
#define CONST_PREFIX const
#else
#define CONST_PREFIX
#endif
CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php_apache_info_struct *conf, char *arg1, char *arg2)
{
php_alter_ini_entry(arg1, strlen(arg1)+1, arg2, strlen(arg2)+1, PHP_INI_PERDIR);
return NULL;
}
CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, php_apache_info_struct *conf, char *arg1, char *arg2)
{
char bool_val[2];
if (!strcmp(arg2, "On")) {
bool_val[0] = '1';
} else {
bool_val[0] = '0';
}
bool_val[1] = 0;
php_alter_ini_entry(arg1, strlen(arg1)+1, bool_val, 2, PHP_INI_PERDIR);
return NULL;
}
int php3_xbithack_handler(request_rec * r)
{
php_apache_info_struct *conf;
conf = (php_apache_info_struct *) get_module_config(r->per_dir_config, &php3_module);
if (!(r->finfo.st_mode & S_IXUSR)) {
r->allowed |= (1 << METHODS) - 1;
return DECLINED;
}
if (conf->xbithack == 0) {
r->allowed |= (1 << METHODS) - 1;
return DECLINED;
}
return send_parsed_php3(r);
}
void php3_init_handler(server_rec *s, pool *p)
{
register_cleanup(p, NULL, php3_module_shutdown, php3_module_shutdown_for_exec);
php3_module_startup();
#if MODULE_MAGIC_NUMBER >= 19980527
ap_add_version_component("PHP/" PHP_VERSION);
#endif
}
#if HAVE_MOD_DAV
extern int phpdav_mkcol_test_handler(request_rec *r);
extern int phpdav_mkcol_create_handler(request_rec *r);
/* conf is being read twice (both here and in send_php3()) */
int send_parsed_php3_dav_script(request_rec *r)
{
php_apache_info_struct *conf;
conf = (php_apache_info_struct *) get_module_config(r->per_dir_config,
&php3_module);
return send_php3(r, 0, 0, conf->dav_script);
}
static int php3_type_checker(request_rec *r)
{
php_apache_info_struct *conf;
conf = (php_apache_info_struct *)get_module_config(r->per_dir_config,
&php3_module);
/* If DAV support is enabled, use mod_dav's type checker. */
if (conf->dav_script) {
dav_api_set_request_handler(r, send_parsed_php3_dav_script);
dav_api_set_mkcol_handlers(r, phpdav_mkcol_test_handler,
phpdav_mkcol_create_handler);
/* leave the rest of the request to mod_dav */
return dav_api_type_checker(r);
}
return DECLINED;
}
#else /* HAVE_MOD_DAV */
# define php3_type_checker NULL
#endif /* HAVE_MOD_DAV */
handler_rec php3_handlers[] =
{
{"application/x-httpd-php3", send_parsed_php3},
{"application/x-httpd-php3-source", send_parsed_php3_source},
{"text/html", php3_xbithack_handler},
{NULL}
};
command_rec php3_commands[] =
{
{"php4_value", php_apache_value_handler, NULL, OR_OPTIONS, TAKE2, "PHP Value Modifier"},
{"php4_flag", php_apache_flag_handler, NULL, OR_OPTIONS, TAKE2, "PHP Flag Modifier"},
{NULL}
};
module MODULE_VAR_EXPORT php3_module =
{
STANDARD_MODULE_STUFF,
php3_init_handler, /* initializer */
php3_create_dir, /* per-directory config creator */
NULL, /* dir merger */
NULL, /* per-server config creator */
NULL, /* merge server config */
php3_commands, /* command table */
php3_handlers, /* handlers */
NULL, /* filename translation */
NULL, /* check_user_id */
NULL, /* check auth */
NULL, /* check access */
php3_type_checker, /* type_checker */
NULL, /* fixups */
NULL /* logger */
#if MODULE_MAGIC_NUMBER >= 19970103
,NULL /* header parser */
#endif
#if MODULE_MAGIC_NUMBER >= 19970719
,NULL /* child_init */
#endif
#if MODULE_MAGIC_NUMBER >= 19970728
,NULL /* child_exit */
#endif
#if MODULE_MAGIC_NUMBER >= 19970902
,NULL /* post read-request */
#endif
};
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
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