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php-src/mod_php3.c
Zeev Suraski e3d2234b80 A lot of php3_ini -> php_ini work
1999-04-10 13:32:47 +00:00

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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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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
extern php3_ini_structure php3_ini; /* active config */
extern php3_ini_structure php3_ini_master; /* master copy of 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;
php3_ini_structure *conf;
/* 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;
}
/* grab configuration settings */
conf = (php3_ini_structure *) get_module_config(r->per_dir_config,
&php3_module);
/* copy to active configuration */
memcpy(&php3_ini,conf,sizeof(php3_ini_structure));
/* If PHP parser engine has been turned off with a "php3_engine off"
* directive, then decline to handle this request
*/
if (!conf->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 (conf->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 from php3_ini_master
*/
static void *php3_create_dir(pool * p, char *dummy)
{
php3_ini_structure *new;
php3_module_startup(); /* php3_ini_master is set up here */
new = (php3_ini_structure *) palloc(p, sizeof(php3_ini_structure));
memcpy(new,&php3_ini_master,sizeof(php3_ini_structure));
return new;
}
/*
* Merge in per-directory .conf directives
*/
static void *php3_merge_dir(pool *p, void *basev, void *addv)
{
php3_ini_structure *new = (php3_ini_structure *) palloc(p, sizeof(php3_ini_structure));
php3_ini_structure *base = (php3_ini_structure *) basev;
php3_ini_structure *add = (php3_ini_structure *) addv;
php3_ini_structure orig = php3_ini_master;
/* Start with the base config */
memcpy(new,base,sizeof(php3_ini_structure));
/* Now, add any fields that have changed in *add compared to the master config */
if (add->smtp != orig.smtp) new->smtp = add->smtp;
if (add->sendmail_path != orig.sendmail_path) new->sendmail_path = add->sendmail_path;
if (add->sendmail_from != orig.sendmail_from) new->sendmail_from = add->sendmail_from;
if (add->errors != orig.errors) new->errors = add->errors;
if (add->doc_root != orig.doc_root) new->doc_root = add->doc_root;
if (add->user_dir != orig.user_dir) new->user_dir = add->user_dir;
if (add->track_vars != orig.track_vars) new->track_vars = add->track_vars;
if (add->cgi_ext != orig.cgi_ext) new->cgi_ext = add->cgi_ext;
if (add->isapi_ext != orig.isapi_ext) new->isapi_ext = add->isapi_ext;
if (add->nsapi_ext != orig.nsapi_ext) new->nsapi_ext = add->nsapi_ext;
if (add->include_path != orig.include_path) new->include_path = add->include_path;
if (add->upload_tmp_dir != orig.upload_tmp_dir) new->upload_tmp_dir = add->upload_tmp_dir;
if (add->upload_max_filesize != orig.upload_max_filesize) new->upload_max_filesize = add->upload_max_filesize;
if (add->extension_dir != orig.extension_dir) new->extension_dir = add->extension_dir;
if (add->error_log != orig.error_log) new->error_log = add->error_log;
/* skip the highlight stuff */
if (add->xbithack != orig.xbithack) new->xbithack = add->xbithack;
if (add->engine != orig.engine) new->engine = add->engine;
if (add->last_modified != orig.last_modified) new->last_modified = add->last_modified;
if (add->max_execution_time != orig.max_execution_time) new->max_execution_time = add->max_execution_time;
if (add->memory_limit != orig.memory_limit) new->memory_limit = add->memory_limit;
if (add->browscap != orig.browscap) new->browscap = add->browscap;
if (add->arg_separator != orig.arg_separator) new->arg_separator = add->arg_separator;
if (add->gpc_order != orig.gpc_order) new->gpc_order = add->gpc_order;
if (add->error_prepend_string != orig.error_prepend_string) new->error_prepend_string = add->error_prepend_string;
if (add->error_append_string != orig.error_append_string) new->error_append_string = add->error_append_string;
if (add->open_basedir != orig.open_basedir) new->open_basedir = add->open_basedir;
if (add->enable_dl != orig.enable_dl) new->enable_dl = add->enable_dl;
if (add->dav_script != orig.dav_script) new->dav_script = add->dav_script;
return new;
}
#if MODULE_MAGIC_NUMBER > 19961007
const char *php3flaghandler(cmd_parms * cmd, php3_ini_structure * conf, int val)
{
#else
char *php3flaghandler(cmd_parms * cmd, php3_ini_structure * conf, int val)
{
#endif
int c = (int) cmd->info;
switch (c) {
case 5:
conf->track_vars = val;
break;
case 7:
conf->engine = val;
break;
case 8:
conf->xbithack = val;
break;
case 9:
conf->last_modified = val;
break;
case 13:
conf->enable_dl = val;
break;
}
return NULL;
}
#if MODULE_MAGIC_NUMBER > 19961007
#define CONST_PREFIX const
#else
#define CONST_PREFIX
#endif
CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php3_ini_structure *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, php3_ini_structure *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;
}
#if MODULE_MAGIC_NUMBER > 19961007
const char *php3take1handler(cmd_parms * cmd, php3_ini_structure * conf, char *arg)
{
#else
char *php3take1handler(cmd_parms * cmd, php3_ini_structure * conf, char *arg)
{
#endif
int c = (int) cmd->info;
switch (c) {
case 0:
conf->errors = atoi(arg);
break;
case 1:
conf->doc_root = pstrdup(cmd->pool, arg);
break;
case 2:
conf->user_dir = pstrdup(cmd->pool, arg);
break;
case 4:
conf->include_path = pstrdup(cmd->pool, arg);
break;
case 7:
conf->upload_tmp_dir = pstrdup(cmd->pool, arg);
break;
case 8:
conf->extension_dir = pstrdup(cmd->pool, arg);
break;
case 9:
conf->error_log = pstrdup(cmd->pool, arg);
break;
case 10:
conf->arg_separator = pstrdup(cmd->pool, arg);
break;
case 11:
conf->max_execution_time = atoi(arg);
break;
case 12:
conf->memory_limit = atoi(arg);
break;
case 13:
conf->sendmail_path = pstrdup(cmd->pool, arg);
break;
case 14:
conf->browscap = pstrdup(cmd->pool, arg);
break;
case 15:
conf->gpc_order = pstrdup(cmd->pool, arg);
break;
case 16:
conf->error_prepend_string = pstrdup(cmd->pool, arg);
break;
case 17:
conf->error_append_string = pstrdup(cmd->pool, arg);
break;
case 18:
conf->open_basedir = pstrdup(cmd->pool, arg);
break;
case 19:
conf->upload_max_filesize = atol(arg);
break;
case 20:
conf->dav_script = pstrdup(cmd->pool, arg);
break;
}
return NULL;
}
int php3_xbithack_handler(request_rec * r)
{
php3_ini_structure *conf;
conf = (php3_ini_structure *) 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);
#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)
{
php3_ini_structure *conf;
conf = (php3_ini_structure *) 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)
{
php3_ini_structure *conf;
conf = (php3_ini_structure *)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_directive", php_apache_value_handler, NULL, OR_OPTIONS, TAKE2, "PHP Value Modifier"},
{"php4_flag", php_apache_flag_handler, NULL, OR_OPTIONS, TAKE2, "PHP Flag Modifier"},
{"php3_error_reporting", php3take1handler, (void *)0, OR_OPTIONS, TAKE1, "error reporting level"},
{"php3_doc_root", php3take1handler, (void *)1, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"}, /* not used yet */
{"php3_user_dir", php3take1handler, (void *)2, ACCESS_CONF|RSRC_CONF, TAKE1, "user directory"}, /* not used yet */
{"php3_include_path", php3take1handler, (void *)4, OR_OPTIONS, TAKE1, "colon-separated path"},
{"php3_auto_prepend_file", php3take1handler, (void *)5, OR_OPTIONS, TAKE1, "file name"},
{"php3_auto_append_file", php3take1handler, (void *)6, OR_OPTIONS, TAKE1, "file name"},
{"php3_upload_tmp_dir", php3take1handler, (void *)7, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"},
{"php3_extension_dir", php3take1handler, (void *)8, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"},
{"php3_error_log", php3take1handler, (void *)9, OR_OPTIONS, TAKE1, "error log file"},
{"php3_arg_separator", php3take1handler, (void *)10, OR_OPTIONS, TAKE1, "GET method arg separator"},
{"php3_max_execution_time", php3take1handler, (void *)11, OR_OPTIONS, TAKE1, "Max script run time in seconds"},
{"php3_memory_limit", php3take1handler, (void *)12, OR_OPTIONS, TAKE1, "Max memory in bytes a script may use"},
{"php3_sendmail_path", php3take1handler, (void *)13, OR_OPTIONS, TAKE1, "Full path to sendmail binary"},
{"php3_browscap", php3take1handler, (void *)14, OR_OPTIONS, TAKE1, "Full path to browscap file"},
{"php3_gpc_order", php3take1handler, (void *)15, OR_OPTIONS, TAKE1, "Set GET-COOKIE-POST order [default is GPC]"},
{"php3_error_prepend_string", php3take1handler, (void *)16, OR_OPTIONS, TAKE1, "String to add before an error message from PHP"},
{"php3_error_append_string", php3take1handler, (void *)17, OR_OPTIONS, TAKE1, "String to add after an error message from PHP"},
{"php3_open_basedir", php3take1handler, (void *)18, OR_OPTIONS|RSRC_CONF, TAKE1, "Limit opening of files to this directory"},
{"php3_upload_max_filesize", php3take1handler, (void *)19, OR_OPTIONS|RSRC_CONF, TAKE1, "Limit uploaded files to this many bytes"},
#if HAVE_MOD_DAV
{"php3_dav_script", php3take1handler, (void *)20, OR_OPTIONS|RSRC_CONF, TAKE1,
"Lets PHP handle DAV requests by parsing this script."},
#endif
{"php3_track_vars", php3flaghandler, (void *)5, OR_OPTIONS, FLAG, "on|off"},
{"php3_engine", php3flaghandler, (void *)7, RSRC_CONF|ACCESS_CONF, FLAG, "on|off"},
{"php3_xbithack", php3flaghandler, (void *)8, OR_OPTIONS, FLAG, "on|off"},
{"php3_last_modified", php3flaghandler, (void *)9, OR_OPTIONS, FLAG, "on|off"},
{"php3_enable_dl", php3flaghandler, (void *)13, RSRC_CONF|ACCESS_CONF, FLAG, "on|off"},
{NULL}
};
module MODULE_VAR_EXPORT php3_module =
{
STANDARD_MODULE_STUFF,
php3_init_handler, /* initializer */
php3_create_dir, /* per-directory config creator */
php3_merge_dir, /* 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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