php-src/main/main.c

/* 
   +----------------------------------------------------------------------+
   | PHP Version 4                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2002 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.02 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available at through the world-wide-web at                           |
   | http://www.php.net/license/2_02.txt.                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Rasmus Lerdorf <rasmus@lerdorf.on.ca>                       |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

/* {{{ includes
 */
#include <stdio.h>
#include "php.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#include "win32/signal.h"
#include <process.h>
#else
#include "build-defs.h"
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SETLOCALE
#include <locale.h>
#endif
#include "zend.h"
#include "zend_extensions.h"
#include "php_ini.h"
#include "php_globals.h"
#include "php_main.h"
#include "fopen_wrappers.h"
#include "ext/standard/php_standard.h"
#include "php_variables.h"
#include "ext/standard/credits.h"
#ifdef PHP_WIN32
#include <io.h>
#include <fcntl.h>
#include "win32/php_registry.h"
#endif
#include "php_syslog.h"

#if PHP_SIGCHILD
#include <sys/types.h>
#include <sys/wait.h>
#endif

#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_indent.h"
#include "zend_extensions.h"

#include "php_content_types.h"
#include "php_ticks.h"
#include "php_logos.h"
#include "php_streams.h"

#if defined(ZEND_MULTIBYTE) && defined(HAVE_MBSTRING)
#include "ext/mbstring/mbstring.h"
#endif /* defined(ZEND_MULTIBYTE) && defined(HAVE_MBSTRING) */

#include "SAPI.h"
#include "rfc1867.h"
/* }}} */

#ifndef ZTS
php_core_globals core_globals;
#else
PHPAPI int core_globals_id;
#endif

#define ERROR_BUF_LEN	1024

typedef struct {
	char buf[ERROR_BUF_LEN];
	char filename[ERROR_BUF_LEN];
	uint lineno;
} last_error_type;

static last_error_type last_error;

static void php_build_argv(char *s, zval *track_vars_array TSRMLS_DC);


static char *short_track_vars_names[] = {
	"_POST",
	"_GET",
	"_COOKIE",
	"_SERVER",
	"_ENV",
	"_FILES",
	NULL
};

static int short_track_vars_names_length[] = {
	sizeof("_POST"),
	sizeof("_GET"),
	sizeof("_COOKIE"),
	sizeof("_SERVER"),
	sizeof("_ENV"),
	sizeof("_FILES")
};

#define NUM_TRACK_VARS		(sizeof(short_track_vars_names_length)/sizeof(int))


#define SAFE_FILENAME(f) ((f)?(f):"-")

/* {{{ PHP_INI_MH
 */
static PHP_INI_MH(OnSetPrecision)
{
	EG(precision) = atoi(new_value);
	return SUCCESS;
}
/* }}} */

#if MEMORY_LIMIT
/* {{{ PHP_INI_MH
 */
static PHP_INI_MH(OnChangeMemoryLimit)
{
	int new_limit;

	if (new_value) {
		new_limit = zend_atoi(new_value, new_value_length);
	} else {
		new_limit = 1<<30;		/* effectively, no limit */
	}
	return zend_set_memory_limit(new_limit);
}
/* }}} */
#endif

/* {{{ PHP_INI_MH
 */
static PHP_INI_MH(OnUpdateErrorReporting)
{
	if (!new_value) {
		EG(error_reporting) = E_ALL & ~E_NOTICE;
	} else {
		EG(error_reporting) = atoi(new_value);
	}
	return SUCCESS;
}
/* }}} */

/* {{{ php_disable_functions
 */
static void php_disable_functions(TSRMLS_D)
{
	char *func;
	char *new_value_dup = strdup(INI_STR("disable_functions"));	/* This is an intentional leak,
																 * it's not a big deal as it's process-wide
																 */

	func = strtok(new_value_dup, ", ");
	while (func) {
		zend_disable_function(func, strlen(func) TSRMLS_CC);
		func = strtok(NULL, ", ");
	}
}
/* }}} */

/* {{{ PHP_INI_MH
 */
static PHP_INI_MH(OnUpdateTimeout)
{
	EG(timeout_seconds) = atoi(new_value);
	if (stage==PHP_INI_STAGE_STARTUP) {
		/* Don't set a timeout on startup, only per-request */
		return SUCCESS;
	}
	zend_unset_timeout(TSRMLS_C);
	zend_set_timeout(EG(timeout_seconds));
	return SUCCESS;
}
/* }}} */

/* Need to convert to strings and make use of:
 * PHP_SAFE_MODE
 *
 * Need to be read from the environment (?):
 * PHP_AUTO_PREPEND_FILE
 * PHP_AUTO_APPEND_FILE
 * PHP_DOCUMENT_ROOT
 * PHP_USER_DIR
 * PHP_INCLUDE_PATH
 */

#ifndef SAFE_MODE_EXEC_DIR
#	define SAFE_MODE_EXEC_DIR "/"
#endif

#ifdef PHP_PROG_SENDMAIL
#	define DEFAULT_SENDMAIL_PATH PHP_PROG_SENDMAIL " -t -i "
#else
#	define DEFAULT_SENDMAIL_PATH NULL
#endif
/* {{{ PHP_INI
 */
PHP_INI_BEGIN()
	PHP_INI_ENTRY_EX("define_syslog_variables",	"0",				PHP_INI_ALL,	NULL,			php_ini_boolean_displayer_cb)			
	PHP_INI_ENTRY_EX("highlight.bg",			HL_BG_COLOR,		PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)
	PHP_INI_ENTRY_EX("highlight.comment",		HL_COMMENT_COLOR,	PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)
	PHP_INI_ENTRY_EX("highlight.default",		HL_DEFAULT_COLOR,	PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)
	PHP_INI_ENTRY_EX("highlight.html",			HL_HTML_COLOR,		PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)
	PHP_INI_ENTRY_EX("highlight.keyword",		HL_KEYWORD_COLOR,	PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)
	PHP_INI_ENTRY_EX("highlight.string",		HL_STRING_COLOR,	PHP_INI_ALL,	NULL,			php_ini_color_displayer_cb)

	STD_PHP_INI_BOOLEAN("allow_call_time_pass_reference",	"1",	PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateBool,	allow_call_time_pass_reference,	zend_compiler_globals,	compiler_globals)
	STD_PHP_INI_BOOLEAN("asp_tags",				"0",		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateBool,			asp_tags,				zend_compiler_globals,	compiler_globals)
	STD_PHP_INI_BOOLEAN("display_errors",		"1",		PHP_INI_ALL,		OnUpdateBool,			display_errors,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("display_startup_errors",	"0",	PHP_INI_ALL,		OnUpdateBool,			display_startup_errors,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("enable_dl",			"1",		PHP_INI_SYSTEM,		OnUpdateBool,			enable_dl,				php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("expose_php",			"1",		PHP_INI_SYSTEM,		OnUpdateBool,			expose_php,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("docref_root", "http://www.php.net/", PHP_INI_ALL,		OnUpdateString,			docref_root,			php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("docref_ext",				"",			PHP_INI_ALL,		OnUpdateString,			docref_ext,				php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("html_errors",			"1",		PHP_INI_SYSTEM,		OnUpdateBool,			html_errors,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("xmlrpc_errors",		"0",		PHP_INI_SYSTEM,		OnUpdateBool,			xmlrpc_errors,			php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("xmlrpc_error_number",	"0",		PHP_INI_ALL,		OnUpdateInt,			xmlrpc_error_number,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("ignore_user_abort",	"0",		PHP_INI_ALL,		OnUpdateBool,			ignore_user_abort,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("implicit_flush",		"0",		PHP_INI_PERDIR|PHP_INI_SYSTEM,OnUpdateBool,	implicit_flush,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("log_errors",			"0",		PHP_INI_ALL,		OnUpdateBool,			log_errors,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("log_errors_max_len",	 "1024",		PHP_INI_ALL,		OnUpdateInt,			log_errors_max_len,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("ignore_repeated_errors",	"0",	PHP_INI_ALL,		OnUpdateBool,			ignore_repeated_errors,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("ignore_repeated_source",	"0",	PHP_INI_ALL,		OnUpdateBool,			ignore_repeated_source,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("report_memleaks",		"1",		PHP_INI_SYSTEM,		OnUpdateBool,			report_memleaks,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("magic_quotes_gpc",		"1",		PHP_INI_ALL,		OnUpdateBool,			magic_quotes_gpc,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("magic_quotes_runtime",	"0",		PHP_INI_ALL,		OnUpdateBool,			magic_quotes_runtime,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("magic_quotes_sybase",	"0",		PHP_INI_ALL,		OnUpdateBool,			magic_quotes_sybase,	php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("output_buffering",		"0",		PHP_INI_PERDIR|PHP_INI_SYSTEM,OnUpdateInt,	output_buffering,		php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("output_handler",			NULL,		PHP_INI_PERDIR|PHP_INI_SYSTEM,OnUpdateString,	output_handler,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("register_argc_argv",	"1",		PHP_INI_PERDIR|PHP_INI_SYSTEM,OnUpdateBool,	register_argc_argv,		php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("register_globals",		"0",		PHP_INI_PERDIR|PHP_INI_SYSTEM,OnUpdateBool,	register_globals,		php_core_globals,	core_globals)
#if PHP_SAFE_MODE
	STD_PHP_INI_BOOLEAN("safe_mode",			"1",		PHP_INI_SYSTEM,		OnUpdateBool,			safe_mode,				php_core_globals,	core_globals)
#else
	STD_PHP_INI_BOOLEAN("safe_mode",			"0",		PHP_INI_SYSTEM,		OnUpdateBool,			safe_mode,				php_core_globals,	core_globals)
#endif
	STD_PHP_INI_ENTRY("safe_mode_include_dir",	NULL,		PHP_INI_SYSTEM,		OnUpdateString,			safe_mode_include_dir,	php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("safe_mode_gid",			"0",		PHP_INI_SYSTEM,		OnUpdateBool,			safe_mode_gid,				php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("short_open_tag",DEFAULT_SHORT_OPEN_TAG,	PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateBool,			short_tags,				zend_compiler_globals,	compiler_globals)
	STD_PHP_INI_BOOLEAN("sql.safe_mode",		"0",		PHP_INI_SYSTEM,		OnUpdateBool,			sql_safe_mode,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("track_errors",			"0",		PHP_INI_ALL,		OnUpdateBool,			track_errors,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("y2k_compliance",		"0",		PHP_INI_ALL,		OnUpdateBool,			y2k_compliance,			php_core_globals,	core_globals)

	STD_PHP_INI_ENTRY("unserialize_callback_func",	NULL,		PHP_INI_ALL,		OnUpdateString,	unserialize_callback_func,	php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("arg_separator.output",	"&",		PHP_INI_ALL,		OnUpdateStringUnempty,	arg_separator.output,	php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("arg_separator.input",	"&",		PHP_INI_SYSTEM|PHP_INI_PERDIR,	OnUpdateStringUnempty,	arg_separator.input,	php_core_globals,	core_globals)

	STD_PHP_INI_ENTRY("auto_append_file",		NULL,		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateString,			auto_append_file,		php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("auto_prepend_file",		NULL,		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateString,			auto_prepend_file,		php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("doc_root",				NULL,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	doc_root,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("default_charset", SAPI_DEFAULT_CHARSET,	PHP_INI_ALL,	OnUpdateString,			default_charset,		sapi_globals_struct,sapi_globals)
	STD_PHP_INI_ENTRY("default_mimetype",SAPI_DEFAULT_MIMETYPE,	PHP_INI_ALL,	OnUpdateString,			default_mimetype,		sapi_globals_struct,sapi_globals)
	STD_PHP_INI_ENTRY("error_log",				NULL,		PHP_INI_ALL,		OnUpdateString,			error_log,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("extension_dir",			PHP_EXTENSION_DIR,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	extension_dir,			php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("gpc_order",				"GPC",		PHP_INI_ALL,		OnUpdateStringUnempty,	gpc_order,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("include_path",			PHP_INCLUDE_PATH,		PHP_INI_ALL,		OnUpdateStringUnempty,	include_path,			php_core_globals,	core_globals)
	PHP_INI_ENTRY("max_execution_time",			"30",		PHP_INI_ALL,			OnUpdateTimeout)
	STD_PHP_INI_ENTRY("open_basedir",			NULL,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	open_basedir,			php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("safe_mode_exec_dir",		"1",		PHP_INI_SYSTEM,		OnUpdateString,			safe_mode_exec_dir,		php_core_globals,	core_globals)

	STD_PHP_INI_BOOLEAN("file_uploads",			"1",		PHP_INI_SYSTEM,		OnUpdateBool,			file_uploads,			php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("upload_max_filesize",	"2M",		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateInt,			upload_max_filesize,	php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("post_max_size",			"8M",		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateInt,			post_max_size,			sapi_globals_struct,sapi_globals)
	STD_PHP_INI_ENTRY("upload_tmp_dir",			NULL,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	upload_tmp_dir,			php_core_globals,	core_globals)

	STD_PHP_INI_ENTRY("user_dir",				NULL,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	user_dir,				php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("variables_order",		NULL,		PHP_INI_ALL,		OnUpdateStringUnempty,	variables_order,		php_core_globals,	core_globals)

	STD_PHP_INI_ENTRY("error_append_string",	NULL,		PHP_INI_ALL,		OnUpdateStringUnempty,	error_append_string,	php_core_globals,	core_globals)
	STD_PHP_INI_ENTRY("error_prepend_string",	NULL,		PHP_INI_ALL,		OnUpdateStringUnempty,	error_prepend_string,	php_core_globals,	core_globals)

	PHP_INI_ENTRY("SMTP",						"localhost",PHP_INI_ALL,		NULL)
	PHP_INI_ENTRY("smtp_port",					"25",		PHP_INI_ALL,		NULL)
	PHP_INI_ENTRY("browscap",					NULL,		PHP_INI_SYSTEM,		NULL)
	PHP_INI_ENTRY("error_reporting",			NULL,		PHP_INI_ALL,		OnUpdateErrorReporting)
#if MEMORY_LIMIT
	PHP_INI_ENTRY("memory_limit",				"8M",		PHP_INI_ALL,		OnChangeMemoryLimit)
#endif
	PHP_INI_ENTRY("precision",					"14",		PHP_INI_ALL,		OnSetPrecision)
	PHP_INI_ENTRY("sendmail_from",				NULL,		PHP_INI_ALL,		NULL)
	PHP_INI_ENTRY("sendmail_path",	DEFAULT_SENDMAIL_PATH,	PHP_INI_SYSTEM,		NULL)
	PHP_INI_ENTRY("disable_functions",			"",			PHP_INI_SYSTEM,		NULL)

	STD_PHP_INI_BOOLEAN("allow_url_fopen",		"1",		PHP_INI_ALL,		OnUpdateBool,			allow_url_fopen,			php_core_globals,	core_globals)
	STD_PHP_INI_BOOLEAN("always_populate_raw_post_data",		"0",		PHP_INI_SYSTEM|PHP_INI_PERDIR,		OnUpdateBool,			always_populate_raw_post_data,			php_core_globals,	core_globals)

PHP_INI_END()
/* }}} */

/* True global (no need for thread safety */
static int module_initialized = 0;

/* {{{ php_log_err
 */
PHPAPI void php_log_err(char *log_message TSRMLS_DC)
{
	FILE *log_file;
	char error_time_str[128];
	struct tm tmbuf;
	time_t error_time;

	/* Try to use the specified logging location. */
	if (PG(error_log) != NULL) {
#ifdef HAVE_SYSLOG_H
		if (!strcmp(PG(error_log), "syslog")) {
			php_syslog(LOG_NOTICE, "%.500s", log_message);
			return;
		}
#endif
		log_file = VCWD_FOPEN(PG(error_log), "a");
		if (log_file != NULL) {
			time(&error_time);
			strftime(error_time_str, 128, "%d-%b-%Y %H:%M:%S", php_localtime_r(&error_time, &tmbuf)); 
			fprintf(log_file, "[%s] ", error_time_str);
			fprintf(log_file, "%s", log_message);
			fprintf(log_file, "\n");
			fclose(log_file);
			return;
		}
	}

	/* Otherwise fall back to the default logging location, if we have one */

	if (sapi_module.log_message) {
		sapi_module.log_message(log_message);
	}
}
/* }}} */

/* is 4K big enough? */
#define PRINTF_BUFFER_SIZE 1024*4

/* {{{ php_write
   wrapper for modules to use PHPWRITE */
PHPAPI int php_write(void *buf, uint size TSRMLS_DC)
{
	return PHPWRITE(buf, size);
}
/* }}} */

/* {{{ php_printf
 */
PHPAPI int php_printf(const char *format, ...)
{
	va_list args;
	int ret;
	char *buffer;
	int size;
	TSRMLS_FETCH();

	va_start(args, format);
	size = vspprintf(&buffer, 0, format, args);
	if (buffer) {
		ret = PHPWRITE(buffer, size);
		efree(buffer);
	} else {
		php_error(E_ERROR, "Out of memory");
		ret = 0;
	}
	va_end(args);
	
	return ret;
}
/* }}} */

/* {{{ php_verror */
PHPAPI void php_verror(const char *docref, const char *params, int type, const char *format, va_list args TSRMLS_DC)
{
	char *buffer = NULL, *docref_buf = NULL, *p;
	
	vspprintf(&buffer, 0, format, args);
	if (buffer) {
		if (!docref) {
			spprintf(&docref_buf, 0, "function.%s%s", get_active_function_name(TSRMLS_C), PG(docref_ext));
			if (docref_buf) {
				while((p=strchr(docref_buf, '_'))!=NULL) *p = '-';
				docref = docref_buf;
			}
		}
		if (docref) {
			if (PG(html_errors) && PG(docref_ext)) {
				php_error(type, "%s(%s) [<a href='%s%s'>%s</a>]: %s", get_active_function_name(TSRMLS_C), params, PG(docref_root), docref, docref, buffer);
			} else {
				php_error(type, "%s(%s) [%s%s]: %s", get_active_function_name(TSRMLS_C), params, PG(docref_root), docref, buffer);
			}
		} else {
			php_error(type, "%s(%s): %s", get_active_function_name(TSRMLS_C), params, buffer);
		}
		efree(buffer);
		if (docref_buf)
			efree(docref_buf);
	} else {
		php_error(E_ERROR, "%s(%s): Out of memory", get_active_function_name(TSRMLS_C), params);
	}
}
/* }}} */

/* {{{ php_error_docref */
PHPAPI void php_error_docref(const char *docref TSRMLS_DC, int type, const char *format, ...)
{
	va_list args;
	
	va_start(args, format);
	php_verror(docref, "", type, format, args TSRMLS_CC);
	va_end(args);
}
/* }}} */

/* {{{ php_error_docref1 */
PHPAPI void php_error_docref1(const char *docref TSRMLS_DC, const char *param1, int type, const char *format, ...)
{
	va_list args;
	
	va_start(args, format);
	php_verror(docref, param1, type, format, args TSRMLS_CC);
	va_end(args);
}
/* }}} */

/* {{{ php_error_docref2 */
PHPAPI void php_error_docref2(const char *docref TSRMLS_DC, const char *param1, const char *param2, int type, const char *format, ...)
{
	char *params;
	va_list args;
	
	spprintf(&params, 0, "%s,%s", param1, param2);
	va_start(args, format);
	php_verror(docref, params ? params : "...", type, format, args TSRMLS_CC);
	va_end(args);
	if (params)
		efree(params);
}
/* }}} */

/* {{{ php_html_puts */
PHPAPI void php_html_puts(const char *str, uint size TSRMLS_DC)
{
	zend_html_puts(str, size);
}
/* }}} */

/* {{{ php_error_cb
 extended error handling function */
static void php_error_cb(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args)
{
	char *buffer;
	int buffer_len, display;
	TSRMLS_FETCH();

	buffer_len = vspprintf(&buffer, PG(log_errors_max_len), format, args);
	if (PG(ignore_repeated_errors)) {
		if (strncmp(last_error.buf, buffer, sizeof(last_error.buf))
			|| (!PG(ignore_repeated_source)
				&& ((last_error.lineno != error_lineno)
					|| strncmp(last_error.filename, error_filename, sizeof(last_error.filename))))) {
			display = 1;
		} else {
			display = 0;
		}
	} else {
		display = 1;
	}
	strlcpy(last_error.buf, buffer, sizeof(last_error.buf));
	strlcpy(last_error.filename, error_filename, sizeof(last_error.filename));
	last_error.lineno = error_lineno;

	/* display/log the error if necessary */
	if (display && (EG(error_reporting) & type || (type & E_CORE))
		&& (PG(log_errors) || PG(display_errors) || (!module_initialized))) {
		char *error_type_str;

		switch (type) {
			case E_ERROR:
			case E_CORE_ERROR:
			case E_COMPILE_ERROR:
			case E_USER_ERROR:
				error_type_str = "Fatal error";
				break;
			case E_WARNING:
			case E_CORE_WARNING:
			case E_COMPILE_WARNING:
			case E_USER_WARNING:
				error_type_str = "Warning";
				break;
			case E_PARSE:
				error_type_str = "Parse error";
				break;
			case E_NOTICE:
			case E_USER_NOTICE:
				error_type_str = "Notice";
				break;
			default:
				error_type_str = "Unknown error";
				break;
		}

		if (!module_initialized || PG(log_errors)) {
			char *log_buffer;

#ifdef PHP_WIN32
			if (type==E_CORE_ERROR || type==E_CORE_WARNING) {
				MessageBox(NULL, buffer, error_type_str, MB_OK|ZEND_SERVICE_MB_STYLE);
			}
#endif
			spprintf(&log_buffer, 0, "PHP %s:  %s in %s on line %d", error_type_str, buffer, error_filename, error_lineno);
			php_log_err(log_buffer TSRMLS_CC);
			efree(log_buffer);
		}
		if (module_initialized && PG(display_errors)
			&& (!PG(during_request_startup) || PG(display_startup_errors))) {
			char *prepend_string = INI_STR("error_prepend_string");
			char *append_string = INI_STR("error_append_string");
			char *error_format;

			error_format = PG(html_errors) ?
				"<br />\n<b>%s</b>:  %s in <b>%s</b> on line <b>%d</b><br />\n"
				: "\n%s: %s in %s on line %d\n";
			if (PG(xmlrpc_errors)) {
				error_format = do_alloca(ERROR_BUF_LEN);
				snprintf(error_format, ERROR_BUF_LEN-1, "<?xml version=\"1.0\"?><methodResponse><fault><value><struct><member><name>faultCode</name><value><int>%ld</int></value></member><member><name>faultString</name><value><string>%%s:%%s in %%s on line %%d</string></value></member></struct></value></fault></methodResponse>", PG(xmlrpc_error_number));
			}

			if (prepend_string) {
				PUTS(prepend_string);
			}
			php_printf(error_format, error_type_str, buffer, error_filename, error_lineno);
			if (PG(xmlrpc_errors)) {
				free_alloca(error_format);
			}

			if (append_string) {
				PUTS(append_string);
			}
		}
#if ZEND_DEBUG
		{
			zend_bool trigger_break;

			switch (type) {
				case E_ERROR:
				case E_CORE_ERROR:
				case E_COMPILE_ERROR:
				case E_USER_ERROR:
					trigger_break=1;
					break;
				default:
					trigger_break=0;
					break;
			}
			zend_output_debug_string(trigger_break, "%s(%d) : %s - %s", error_filename, error_lineno, error_type_str, buffer);
		}
#endif
	}

	/* Bail out if we can't recover */
	switch (type) {
		case E_CORE_ERROR:
			if(!module_initialized) {
				/* bad error in module startup - no way we can live with this */
				exit(-2);
			}
		/* no break - intentionally */
		case E_ERROR:
		/*case E_PARSE: the parser would return 1 (failure), we can bail out nicely */
		case E_COMPILE_ERROR:
		case E_USER_ERROR:
			if (module_initialized) {
				zend_bailout();
				efree(buffer);
				return;
			}
			break;
	}

	/* Log if necessary */
	if (!display) {
		efree(buffer);
		return;
	}
	if (PG(track_errors) && EG(active_symbol_table)) {
		pval *tmp;

		ALLOC_ZVAL(tmp);
		INIT_PZVAL(tmp);
		Z_STRVAL_P(tmp) = (char *) estrndup(buffer, buffer_len);
		Z_STRLEN_P(tmp) = buffer_len;
		Z_TYPE_P(tmp) = IS_STRING;
		zend_hash_update(EG(active_symbol_table), "php_errormsg", sizeof("php_errormsg"), (void **) & tmp, sizeof(pval *), NULL);
	}
	efree(buffer);
}
/* }}} */

/* {{{ proto bool set_time_limit(int seconds)
   Sets the maximum time a script can run */
PHP_FUNCTION(set_time_limit)
{
	zval **new_timeout;

	if (PG(safe_mode)) {
		php_error(E_WARNING, "Cannot set time limit in safe mode");
		RETURN_FALSE;
	}

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &new_timeout) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	convert_to_string_ex(new_timeout);
	if (zend_alter_ini_entry("max_execution_time", sizeof("max_execution_time"), Z_STRVAL_PP(new_timeout), Z_STRLEN_PP(new_timeout), PHP_INI_USER, PHP_INI_STAGE_RUNTIME) == SUCCESS) {
		RETURN_TRUE;
	} else {
		RETURN_FALSE;
	}
}
/* }}} */

/* {{{ php_fopen_wrapper_for_zend
 */
static FILE *php_fopen_wrapper_for_zend(const char *filename, char **opened_path)
{
	TSRMLS_FETCH();

	return php_stream_open_wrapper_as_file((char *)filename, "rb", USE_PATH|IGNORE_URL_WIN|REPORT_ERRORS, opened_path);
}
/* }}} */

/* {{{ php_get_configuration_directive_for_zend
 */
static int php_get_configuration_directive_for_zend(char *name, uint name_length, zval *contents)
{
	zval *retval = cfg_get_entry(name, name_length);

	if (retval) {
		*contents = *retval;
		return SUCCESS;
	} else {
		return FAILURE;
	}
}
/* }}} */

/* {{{ php_message_handler_for_zend
 */
static void php_message_handler_for_zend(long message, void *data)
{
	switch (message) {
		case ZMSG_FAILED_INCLUDE_FOPEN: {
				TSRMLS_FETCH();

				php_error(E_WARNING, "Failed opening '%s' for inclusion (include_path='%s')", php_strip_url_passwd((char *) data), STR_PRINT(PG(include_path)));
			}
			break;
		case ZMSG_FAILED_REQUIRE_FOPEN: {
				TSRMLS_FETCH();

				php_error(E_COMPILE_ERROR, "Failed opening required '%s' (include_path='%s')", php_strip_url_passwd((char *) data), STR_PRINT(PG(include_path)));
			}
			break;
		case ZMSG_FAILED_HIGHLIGHT_FOPEN:
			php_error(E_WARNING, "Failed opening '%s' for highlighting", php_strip_url_passwd((char *) data));
			break;
		case ZMSG_MEMORY_LEAK_DETECTED:
		case ZMSG_MEMORY_LEAK_REPEATED: {
				TSRMLS_FETCH();

				if ((EG(error_reporting)&E_WARNING) && PG(report_memleaks)) {
#if ZEND_DEBUG
					char memory_leak_buf[512];

					if (message==ZMSG_MEMORY_LEAK_DETECTED) {
						zend_mem_header *t = (zend_mem_header *) data;
						void *ptr = (void *)((char *)t+sizeof(zend_mem_header)+MEM_HEADER_PADDING);

						snprintf(memory_leak_buf, 512, "%s(%d) :  Freeing 0x%.8lX (%d bytes), script=%s\n", t->filename, t->lineno, (unsigned long)ptr, t->size, SAFE_FILENAME(SG(request_info).path_translated));
						if (t->orig_filename) {
							char relay_buf[512];

							snprintf(relay_buf, 512, "%s(%d) : Actual location (location was relayed)\n", t->orig_filename, t->orig_lineno);
							strcat(memory_leak_buf, relay_buf);
						}
					} else {
						unsigned long leak_count = (unsigned long) data;

						snprintf(memory_leak_buf, 512, "Last leak repeated %ld time%s\n", leak_count, (leak_count>1?"s":""));
					}
#	if defined(PHP_WIN32)
					OutputDebugString(memory_leak_buf);
#	else
					fprintf(stderr, memory_leak_buf);
#	endif
#endif
				}
			}
			break;
		case ZMSG_LOG_SCRIPT_NAME: {
				struct tm *ta, tmbuf;
				time_t curtime;
				char *datetime_str, asctimebuf[52];
				TSRMLS_FETCH();

				time(&curtime);
				ta = php_localtime_r(&curtime, &tmbuf);
				datetime_str = php_asctime_r(ta, asctimebuf);
				datetime_str[strlen(datetime_str)-1]=0;	/* get rid of the trailing newline */
				fprintf(stderr, "[%s]  Script:  '%s'\n", datetime_str, SAFE_FILENAME(SG(request_info).path_translated));
			}
			break;
	}
}
/* }}} */

#if PHP_SIGCHILD
/* {{{ sigchld_handler
 */
static void sigchld_handler(int apar)
{
	while (waitpid(-1, NULL, WNOHANG) > 0);
	signal(SIGCHLD, sigchld_handler);
}
/* }}} */
#endif

static int php_hash_environment(TSRMLS_D);

/* {{{ php_request_startup
 */
int php_request_startup(TSRMLS_D)
{
	int retval = SUCCESS;

#if PHP_SIGCHILD
	signal(SIGCHLD, sigchld_handler);
#endif

	zend_try {
		PG(during_request_startup) = 1;
		
		php_output_activate(TSRMLS_C);

		/* initialize global variables */
		PG(modules_activated) = 0;
		PG(header_is_being_sent) = 0;
		PG(connection_status) = PHP_CONNECTION_NORMAL;
		
		zend_activate(TSRMLS_C);
		sapi_activate(TSRMLS_C);

		zend_set_timeout(EG(timeout_seconds));

		if (PG(expose_php)) {
			sapi_add_header(SAPI_PHP_VERSION_HEADER, sizeof(SAPI_PHP_VERSION_HEADER)-1, 1);
		}

		if (PG(output_handler) && PG(output_handler)[0]) {
			zval *output_handler;

			ALLOC_INIT_ZVAL(output_handler);
			Z_STRLEN_P(output_handler) = strlen(PG(output_handler));	/* this can be optimized */
			Z_STRVAL_P(output_handler) = estrndup(PG(output_handler), Z_STRLEN_P(output_handler));
			Z_TYPE_P(output_handler) = IS_STRING;
			php_start_ob_buffer(output_handler, 0, 1 TSRMLS_CC);
		}
		else if (PG(output_buffering)) {
			if (PG(output_buffering)>1) {
				php_start_ob_buffer(NULL, PG(output_buffering), 0 TSRMLS_CC);
			}
			else {
				php_start_ob_buffer(NULL, 0, 1 TSRMLS_CC);
			}
		}
		else if (PG(implicit_flush)) {
			php_start_implicit_flush(TSRMLS_C);
		}

		/* We turn this off in php_execute_script() */
		/* PG(during_request_startup) = 0; */

		php_hash_environment(TSRMLS_C);
		zend_activate_modules(TSRMLS_C);
		PG(modules_activated)=1;
	} zend_catch {
		retval = FAILURE;
	} zend_end_try();

	return retval;
}
/* }}} */

/* {{{ php_request_shutdown_for_exec
 */
void php_request_shutdown_for_exec(void *dummy)
{
	TSRMLS_FETCH();

	/* used to close fd's in the 3..255 range here, but it's problematic
	 */
	shutdown_memory_manager(1, 1 TSRMLS_CC);
}
/* }}} */

/* {{{ php_request_shutdown
 */
void php_request_shutdown(void *dummy)
{
	TSRMLS_FETCH();

	zend_try {
		php_end_ob_buffers((zend_bool)(SG(request_info).headers_only?0:1) TSRMLS_CC);
	} zend_end_try();

	zend_try {
		sapi_send_headers(TSRMLS_C);
	} zend_end_try();

	if (PG(modules_activated)) zend_try {
		php_call_shutdown_functions();
	} zend_end_try();
	
	if (PG(modules_activated)) {
		zend_deactivate_modules(TSRMLS_C);
	}

	zend_try {
		int i;

		for (i=0; i<NUM_TRACK_VARS; i++) {
			if (PG(http_globals)[i]) {
				zval_ptr_dtor(&PG(http_globals)[i]);
			}
		}
	} zend_end_try();

		
	zend_deactivate(TSRMLS_C);

	zend_try {
		sapi_deactivate(TSRMLS_C);
	} zend_end_try();

	zend_try { 
		shutdown_memory_manager(CG(unclean_shutdown), 0 TSRMLS_CC);
	} zend_end_try();

	zend_try { 
		zend_unset_timeout(TSRMLS_C);
	} zend_end_try();
}
/* }}} */


/* {{{ php_body_write_wrapper
 */
static int php_body_write_wrapper(const char *str, uint str_length)
{
	TSRMLS_FETCH();
	return php_body_write(str, str_length TSRMLS_CC);
}
/* }}} */

#ifdef ZTS
/* {{{ core_globals_ctor
 */
static void core_globals_ctor(php_core_globals *core_globals TSRMLS_DC)
{
	memset(core_globals, 0, sizeof(*core_globals));
}
/* }}} */
#endif

/* {{{ php_startup_extensions
 */
int php_startup_extensions(zend_module_entry **ptr, int count)
{
	zend_module_entry **end = ptr+count;

	while (ptr < end) {
		if (*ptr) {
			if (zend_startup_module(*ptr)==FAILURE) {
				return FAILURE;
			}
		}
		ptr++;
	}
	return SUCCESS;
}
/* }}} */


/* {{{ php_module_startup
 */
int php_module_startup(sapi_module_struct *sf)
{
	zend_utility_functions zuf;
	zend_utility_values zuv;
	int module_number=0;	/* for REGISTER_INI_ENTRIES() */
	char *php_os;
	int i;
#ifdef ZTS
	zend_executor_globals *executor_globals;
	void ***tsrm_ls;

	php_core_globals *core_globals;
	sapi_globals_struct *sapi_globals = ts_resource(sapi_globals_id);
#endif
#ifdef PHP_WIN32
	WORD wVersionRequested = MAKEWORD(2, 0);
	WSADATA wsaData;
#endif
#ifdef PHP_WIN32
	{
		DWORD dwVersion = GetVersion();

		/* Get build numbers for Windows NT or Win95 */
		if (dwVersion < 0x80000000){
			php_os="WINNT";
		} else {
			php_os="WIN32";
		}
	}
#else
	php_os=PHP_OS;
#endif

#ifdef ZTS
	tsrm_ls = ts_resource(0);
#endif

	sapi_initialize_empty_request(TSRMLS_C);
	sapi_activate(TSRMLS_C);

	if (module_initialized) {
		return SUCCESS;
	}

	sapi_module = *sf;

	php_output_startup();
	php_output_activate(TSRMLS_C);

	zuf.error_function = php_error_cb;
	zuf.printf_function = php_printf;
	zuf.write_function = php_body_write_wrapper;
	zuf.fopen_function = php_fopen_wrapper_for_zend;
	zuf.message_handler = php_message_handler_for_zend;
	zuf.block_interruptions = sapi_module.block_interruptions;
	zuf.unblock_interruptions = sapi_module.unblock_interruptions;
	zuf.get_configuration_directive = php_get_configuration_directive_for_zend;
	zuf.ticks_function = php_run_ticks;
	zend_startup(&zuf, NULL, 1);

#ifdef ZTS
	executor_globals = ts_resource(executor_globals_id);
	ts_allocate_id(&core_globals_id, sizeof(php_core_globals), (ts_allocate_ctor) core_globals_ctor, NULL);
	core_globals = ts_resource(core_globals_id);
#endif
	EG(bailout_set) = 0;
	EG(error_reporting) = E_ALL & ~E_NOTICE;
	
	PG(header_is_being_sent) = 0;
	SG(request_info).headers_only = 0;
	SG(request_info).argv0 = NULL;
	SG(request_info).argc=0;
	SG(request_info).argv=(char **)NULL;
	PG(connection_status) = PHP_CONNECTION_NORMAL;
	PG(during_request_startup) = 0;

#if HAVE_SETLOCALE
	setlocale(LC_CTYPE, "");
#endif

#ifdef PHP_WIN32
	/* start up winsock services */
	if (WSAStartup(wVersionRequested, &wsaData) != 0) {
		php_printf("\nwinsock.dll unusable. %d\n", WSAGetLastError());
		return FAILURE;
	}
#endif

	le_index_ptr = zend_register_list_destructors_ex(NULL, NULL, "index pointer", 0);


	/* this will read in php.ini, set up the configuration parameters,
	   load zend extensions and register php function extensions 
	   to be loaded later */
	if (php_init_config() == FAILURE) {
		return FAILURE;
	}

	REGISTER_INI_ENTRIES();

	/* initialize stream wrappers registry
	 * (this uses configuration parameters from php.ini)
	 */
	if (php_init_stream_wrappers(TSRMLS_C) == FAILURE)	{
		php_printf("PHP:  Unable to initialize stream url wrappers.\n");
		return FAILURE;
	}
	
	/* initialize registry for images to be used in phpinfo() 
	   (this uses configuration parameters from php.ini)
	 */
	if (php_init_info_logos() == FAILURE) {
		php_printf("PHP:  Unable to initialize info phpinfo logos.\n");
		return FAILURE;
	}

	zuv.import_use_extension = ".php";
	for (i=0; i<NUM_TRACK_VARS; i++) {
		zend_register_auto_global(short_track_vars_names[i], short_track_vars_names_length[i]-1 TSRMLS_CC);
	}
	zend_register_auto_global("_REQUEST", sizeof("_REQUEST")-1 TSRMLS_CC);
	zend_set_utility_values(&zuv);
	php_startup_sapi_content_types();

	REGISTER_MAIN_STRINGL_CONSTANT("PHP_VERSION", PHP_VERSION, sizeof(PHP_VERSION)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_OS", php_os, strlen(php_os), CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_SAPI", sapi_module.name, strlen(sapi_module.name), CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("DEFAULT_INCLUDE_PATH", PHP_INCLUDE_PATH, sizeof(PHP_INCLUDE_PATH)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PEAR_INSTALL_DIR", PEAR_INSTALLDIR, sizeof(PEAR_INSTALLDIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PEAR_EXTENSION_DIR", PHP_EXTENSION_DIR, sizeof(PHP_EXTENSION_DIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_EXTENSION_DIR", PHP_EXTENSION_DIR, sizeof(PHP_EXTENSION_DIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_PREFIX", PHP_PREFIX, sizeof(PHP_PREFIX)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_BINDIR", PHP_BINDIR, sizeof(PHP_BINDIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_LIBDIR", PHP_LIBDIR, sizeof(PHP_LIBDIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_DATADIR", PHP_DATADIR, sizeof(PHP_DATADIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_SYSCONFDIR", PHP_SYSCONFDIR, sizeof(PHP_SYSCONFDIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_LOCALSTATEDIR", PHP_LOCALSTATEDIR, sizeof(PHP_LOCALSTATEDIR)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_CONFIG_FILE_PATH", PHP_CONFIG_FILE_PATH, sizeof(PHP_CONFIG_FILE_PATH)-1, CONST_PERSISTENT | CONST_CS);
	REGISTER_MAIN_STRINGL_CONSTANT("PHP_SHLIB_SUFFIX", PHP_SHLIB_SUFFIX, sizeof(PHP_SHLIB_SUFFIX)-1, CONST_PERSISTENT | CONST_CS);
	php_output_register_constants(TSRMLS_C);
	php_rfc1867_register_constants(TSRMLS_C);

	if (php_startup_ticks(TSRMLS_C) == FAILURE) {
		php_printf("Unable to start PHP ticks\n");
		return FAILURE;
	}

	/* startup extensions staticly compiled in */
	if (php_startup_internal_extensions() == FAILURE) {
		php_printf("Unable to start builtin modules\n");
		return FAILURE;
	}

	/* load and startup extensions compiled as shared objects (aka DLLs)
	   as requested by php.ini entries
	   theese are loaded after initialization of internal extensions
	   as extensions *might* rely on things from ext/standard
	   which is always an internal extension and to be initialized
	   ahead of all other internals
	 */
	php_ini_delayed_modules_startup(TSRMLS_C);

	/* disable certain functions as requested by php.ini */
	php_disable_functions(TSRMLS_C);

	zend_startup_extensions();

	/* */
	module_initialized = 1;
	sapi_deactivate(TSRMLS_C);

	/* we're done */
	return SUCCESS;
}
/* }}} */

void php_module_shutdown_for_exec()
{
	/* used to close fd's in the range 3.255 here, but it's problematic */
}

/* {{{ php_module_shutdown_wrapper
 */
int php_module_shutdown_wrapper(sapi_module_struct *sapi_globals)
{
	TSRMLS_FETCH();
	php_module_shutdown(TSRMLS_C);
	return SUCCESS;
}
/* }}} */

/* {{{ php_module_shutdown
 */
void php_module_shutdown(TSRMLS_D)
{
	int module_number=0;	/* for UNREGISTER_INI_ENTRIES() */

	if (!module_initialized) {
		return;
	}

#ifdef PHP_WIN32
	/*close winsock */
	WSACleanup();
#endif

	php_shutdown_ticks(TSRMLS_C);
	sapi_flush(TSRMLS_C);

	zend_shutdown(TSRMLS_C);

	php_shutdown_stream_wrappers(TSRMLS_C);

	php_shutdown_info_logos();
	UNREGISTER_INI_ENTRIES();

	/* close down the ini config */
	php_shutdown_config();

#ifndef ZTS
	zend_ini_shutdown(TSRMLS_C);
	shutdown_memory_manager(CG(unclean_shutdown), 1 TSRMLS_CC);
#endif

	module_initialized = 0;
}
/* }}} */

/* {{{ php_register_server_variables
 */
static inline void php_register_server_variables(TSRMLS_D)
{
	zval *array_ptr=NULL;

	ALLOC_ZVAL(array_ptr);
	array_init(array_ptr);
	INIT_PZVAL(array_ptr);
	PG(http_globals)[TRACK_VARS_SERVER] = array_ptr;

	/* Server variables */
	if (sapi_module.register_server_variables) {
		sapi_module.register_server_variables(array_ptr TSRMLS_CC);
	}

	/* argv/argc support */
	if (PG(register_argc_argv)) {
		php_build_argv(SG(request_info).query_string, array_ptr TSRMLS_CC);
	}

	/* PHP Authentication support */
	if (SG(request_info).auth_user) {
		php_register_variable("PHP_AUTH_USER", SG(request_info).auth_user, array_ptr TSRMLS_CC);
	}
	if (SG(request_info).auth_password) {
		php_register_variable("PHP_AUTH_PW", SG(request_info).auth_password, array_ptr TSRMLS_CC);
	}
}
/* }}} */

/* {{{ php_hash_environment
 */
static int php_hash_environment(TSRMLS_D)
{
	char *p;
	unsigned char _gpc_flags[3] = {0, 0, 0};
	zend_bool have_variables_order;
	zval *dummy_track_vars_array = NULL;
	zend_bool initialized_dummy_track_vars_array=0;
	int i;
	char *variables_order;
	char *track_vars_names[] = {
		"HTTP_POST_VARS",
		"HTTP_GET_VARS",
		"HTTP_COOKIE_VARS",
		"HTTP_SERVER_VARS",
		"HTTP_ENV_VARS",
		"HTTP_POST_FILES",
		NULL
	};
	int track_vars_names_length[] = {
		sizeof("HTTP_POST_VARS"),
		sizeof("HTTP_GET_VARS"),
		sizeof("HTTP_COOKIE_VARS"),
		sizeof("HTTP_SERVER_VARS"),
		sizeof("HTTP_ENV_VARS"),
		sizeof("HTTP_POST_FILES")
	};


	for (i=0; i<NUM_TRACK_VARS; i++) {
		PG(http_globals)[i] = NULL;
	}

	if (PG(variables_order)) {
		variables_order = PG(variables_order);
		have_variables_order=1;
	} else {
		variables_order = PG(gpc_order);
		have_variables_order=0;
		ALLOC_ZVAL(PG(http_globals)[TRACK_VARS_ENV]);
		array_init(PG(http_globals)[TRACK_VARS_ENV]);
		INIT_PZVAL(PG(http_globals)[TRACK_VARS_ENV]);
		php_import_environment_variables(PG(http_globals)[TRACK_VARS_ENV] TSRMLS_CC);
	}

	for (p=variables_order; p && *p; p++) {
		switch(*p) {
			case 'p':
			case 'P':
				if (!_gpc_flags[0] && !SG(headers_sent) && SG(request_info).request_method && !strcasecmp(SG(request_info).request_method, "POST")) {
					sapi_module.treat_data(PARSE_POST, NULL, NULL TSRMLS_CC);	/* POST Data */
					_gpc_flags[0]=1;
				}
				break;
			case 'c':
			case 'C':
				if (!_gpc_flags[1]) {
					sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC);	/* Cookie Data */
					_gpc_flags[1]=1;
				}
				break;
			case 'g':
			case 'G':
				if (!_gpc_flags[2]) {
					sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC);	/* GET Data */
					_gpc_flags[2]=1;
				}
				break;
			case 'e':
			case 'E':
				if (have_variables_order) {
					ALLOC_ZVAL(PG(http_globals)[TRACK_VARS_ENV]);
					array_init(PG(http_globals)[TRACK_VARS_ENV]);
					INIT_PZVAL(PG(http_globals)[TRACK_VARS_ENV]);
					php_import_environment_variables(PG(http_globals)[TRACK_VARS_ENV] TSRMLS_CC);
				} else {
					php_error(E_WARNING, "Unsupported 'e' element (environment) used in gpc_order - use variables_order instead");
				}
				break;
			case 's':
			case 'S':
				php_register_server_variables(TSRMLS_C);
				break;
		}
	}

	if (!have_variables_order) {
		php_register_server_variables(TSRMLS_C);
	}

	for (i=0; i<NUM_TRACK_VARS; i++) {
		if (!PG(http_globals)[i]) {
			if (!initialized_dummy_track_vars_array) {
				ALLOC_ZVAL(dummy_track_vars_array);
				array_init(dummy_track_vars_array);
				INIT_PZVAL(dummy_track_vars_array);
				initialized_dummy_track_vars_array = 1;
			} else {
				dummy_track_vars_array->refcount++;
			}
			PG(http_globals)[i] = dummy_track_vars_array;
		}
		zend_hash_update(&EG(symbol_table), track_vars_names[i], track_vars_names_length[i], &PG(http_globals)[i], sizeof(zval *), NULL);
		PG(http_globals)[i]->refcount++;
		zend_hash_update(&EG(symbol_table), short_track_vars_names[i], short_track_vars_names_length[i], &PG(http_globals)[i], sizeof(zval *), NULL);
		PG(http_globals)[i]->refcount++;
	}

	{
		zval *form_variables;

		ALLOC_ZVAL(form_variables);
		array_init(form_variables);
		INIT_PZVAL(form_variables);

		for (p=variables_order; p && *p; p++) {
			switch (*p) {
				case 'g':
				case 'G':
					zend_hash_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]), (void (*)(void *pData)) zval_add_ref, NULL, sizeof(zval *), 1);
					break;
				case 'p':
				case 'P':
					zend_hash_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_POST]), (void (*)(void *pData)) zval_add_ref, NULL, sizeof(zval *), 1);
					zend_hash_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_FILES]), (void (*)(void *pData)) zval_add_ref, NULL, sizeof(zval *), 1);
					break;
				case 'c':
				case 'C':
					zend_hash_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]), (void (*)(void *pData)) zval_add_ref, NULL, sizeof(zval *), 1);
					break;
			}
		}

		zend_hash_update(&EG(symbol_table), "_REQUEST", sizeof("_REQUEST"), &form_variables, sizeof(zval *), NULL);
	}

	return SUCCESS;
}
/* }}} */

/* {{{ php_build_argv
 */
static void php_build_argv(char *s, zval *track_vars_array TSRMLS_DC)
{
	pval *arr, *argc, *tmp;
	int count = 0;
	char *ss, *space;
	
	ALLOC_ZVAL(arr);
	array_init(arr);
	INIT_PZVAL(arr);

	/* Prepare argv */
	if (SG(request_info).argc) { /* are we in cli sapi? */
		int i;
		for (i=0; i<SG(request_info).argc; i++) {
			ALLOC_ZVAL(tmp);
			Z_TYPE_P(tmp) = IS_STRING;
			Z_STRLEN_P(tmp) = strlen(SG(request_info).argv[i]);
			Z_STRVAL_P(tmp) = estrndup(SG(request_info).argv[i], Z_STRLEN_P(tmp));
			INIT_PZVAL(tmp);
			if (zend_hash_next_index_insert(Z_ARRVAL_P(arr), &tmp, sizeof(pval *), NULL)==FAILURE) {
				if (Z_TYPE_P(tmp) == IS_STRING) {
					efree(Z_STRVAL_P(tmp));
				}
			}
		}
	} else 	if (s && *s) {
		ss = s;
		while (ss) {
			space = strchr(ss, '+');
			if (space) {
				*space = '\0';
			}
			/* auto-type */
			ALLOC_ZVAL(tmp);
			Z_TYPE_P(tmp) = IS_STRING;
			Z_STRLEN_P(tmp) = strlen(ss);
			Z_STRVAL_P(tmp) = estrndup(ss, Z_STRLEN_P(tmp));
			INIT_PZVAL(tmp);
			count++;
			if (zend_hash_next_index_insert(Z_ARRVAL_P(arr), &tmp, sizeof(pval *), NULL)==FAILURE) {
				if (Z_TYPE_P(tmp) == IS_STRING) {
					efree(Z_STRVAL_P(tmp));
				}
			}
			if (space) {
				*space = '+';
				ss = space + 1;
			} else {
				ss = space;
			}
		}
	}

	/* prepare argc */
	ALLOC_ZVAL(argc);
	if (SG(request_info).argc) {
		Z_LVAL_P(argc) = SG(request_info).argc;
	} else {
		Z_LVAL_P(argc) = count;
	}
	Z_TYPE_P(argc) = IS_LONG;
	INIT_PZVAL(argc);

	if (PG(register_globals) || SG(request_info).argc) {
		arr->refcount++;
		argc->refcount++;
		zend_hash_update(&EG(symbol_table), "argv", sizeof("argv"), &arr, sizeof(zval *), NULL);
		zend_hash_add(&EG(symbol_table), "argc", sizeof("argc"), &argc, sizeof(zval *), NULL);
	}

	zend_hash_update(Z_ARRVAL_P(track_vars_array), "argv", sizeof("argv"), &arr, sizeof(pval *), NULL);
	zend_hash_update(Z_ARRVAL_P(track_vars_array), "argc", sizeof("argc"), &argc, sizeof(pval *), NULL);
}
/* }}} */

/* {{{ php_handle_special_queries
 */
PHPAPI int php_handle_special_queries(TSRMLS_D)
{
	if (SG(request_info).query_string && SG(request_info).query_string[0]=='=' 
			&& PG(expose_php)) {
		if (php_info_logos(SG(request_info).query_string+1 TSRMLS_CC)) {
			return 1;
		} else if (!strcmp(SG(request_info).query_string+1, PHP_CREDITS_GUID)) {
			php_print_credits(PHP_CREDITS_ALL);
			return 1;
		}
	}
	return 0;
}
/* }}} */

/* {{{ php_execute_script
 */
PHPAPI int php_execute_script(zend_file_handle *primary_file TSRMLS_DC)
{
	zend_file_handle *prepend_file_p, *append_file_p;
	zend_file_handle prepend_file, append_file;
	char *old_cwd;
	int retval = 0;

	EG(exit_status) = 0;
	if (php_handle_special_queries(TSRMLS_C)) {
		return 0;
	}
#define OLD_CWD_SIZE 4096
	old_cwd = do_alloca(OLD_CWD_SIZE);
	old_cwd[0] = '\0';

	zend_try {
#ifdef PHP_WIN32
		UpdateIniFromRegistry(primary_file->filename TSRMLS_CC);
#endif

		PG(during_request_startup) = 0;

		if (primary_file->type == ZEND_HANDLE_FILENAME 
				&& primary_file->filename) {
			VCWD_GETCWD(old_cwd, OLD_CWD_SIZE-1);
			VCWD_CHDIR_FILE(primary_file->filename);
		}

		if(primary_file->filename) {			
			char realfile[MAXPATHLEN];
			int dummy = 1;
			if(VCWD_REALPATH(primary_file->filename, realfile)) {
				zend_hash_add(&EG(included_files), realfile, strlen(realfile)+1, (void *)&dummy, sizeof(int), NULL);
			}
		}

		if (PG(auto_prepend_file) && PG(auto_prepend_file)[0]) {
			prepend_file.filename = PG(auto_prepend_file);
			prepend_file.opened_path = NULL;
			prepend_file.free_filename = 0;
			prepend_file.type = ZEND_HANDLE_FILENAME;
			prepend_file_p = &prepend_file;
		} else {
			prepend_file_p = NULL;
		}
		if (PG(auto_append_file) && PG(auto_append_file)[0]) {
			append_file.filename = PG(auto_append_file);
			append_file.opened_path = NULL;
			append_file.free_filename = 0;
			append_file.type = ZEND_HANDLE_FILENAME;
			append_file_p = &append_file;
		} else {
			append_file_p = NULL;
		}
#if defined(ZEND_MULTIBYTE) && defined(HAVE_MBSTRING)
		php_mbstring_set_zend_encoding(TSRMLS_C);
#endif /* ZEND_MULTIBYTE && HAVE_MBSTRING */
		retval = (zend_execute_scripts(ZEND_REQUIRE TSRMLS_CC, NULL, 3, prepend_file_p, primary_file, append_file_p) == SUCCESS);
	} zend_end_try();

	if (old_cwd[0] != '\0') {
		VCWD_CHDIR(old_cwd);
	}
	free_alloca(old_cwd);
	return retval;
}
/* }}} */

/* {{{ php_handle_aborted_connection
 */
PHPAPI void php_handle_aborted_connection(void)
{
	TSRMLS_FETCH();

	PG(connection_status) = PHP_CONNECTION_ABORTED;
	php_output_set_status(0 TSRMLS_CC);

	if (!PG(ignore_user_abort)) {
		zend_bailout();
	}
}
/* }}} */

/* {{{ php_handle_auth_data
 */
PHPAPI int php_handle_auth_data(const char *auth TSRMLS_DC)
{
	int ret = -1;

	if (auth && auth[0] != '\0'
			&& strncmp(auth, "Basic ", 6) == 0) {
		char *pass;
		char *user;

		user = php_base64_decode(auth + 6, strlen(auth) - 6, NULL);
		if (user) {
			pass = strchr(user, ':');
			if (pass) {
				*pass++ = '\0';
				SG(request_info).auth_user = user;
				SG(request_info).auth_password = estrdup(pass);
				ret = 0;
			} else {
				efree(user);
			}
		}
	}

	if (ret == -1)
		SG(request_info).auth_user = SG(request_info).auth_password = NULL;

	return ret;
}
/* }}} */

/* {{{ php_lint_script
 */
PHPAPI int php_lint_script(zend_file_handle *file TSRMLS_DC)
{
	zend_op_array *op_array;

	zend_try {
		op_array = zend_compile_file(file, ZEND_INCLUDE TSRMLS_CC);
		zend_destroy_file_handle(file TSRMLS_CC);

		if (op_array) {
			destroy_op_array(op_array);
			efree(op_array);
			return SUCCESS;
		} else {
			return FAILURE;
		}
	} zend_end_try();

	return FAILURE;
}
/* }}} */

#ifdef PHP_WIN32
/* {{{ dummy_indent
   just so that this symbol gets exported... */
PHPAPI void dummy_indent()
{
	zend_indent();
}
/* }}} */
#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */