/
main.c
1844 lines (1614 loc) · 53.5 KB
/
main.c
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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 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>
#elif defined(NETWARE)
#ifdef NEW_LIBC
#include <sys/timeval.h>
#else
#include "netware/time_nw.h"
#endif
/*#include "netware/signal_nw.h"*/
/*#include "netware/env.h"*/ /* Temporary */
/*#include <process.h>*/
#ifdef USE_WINSOCK
#include <novsock2.h>
#endif
#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 "win32/php_registry.h"
#endif
#if defined(HAVE_FCNTL_H)
#include <fcntl.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 "zend_ini.h"
#include "php_content_types.h"
#include "php_ticks.h"
#include "php_logos.h"
#include "php_streams.h"
#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 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)
{
if (new_value) {
PG(memory_limit) = zend_atoi(new_value, new_value_length);
} else {
PG(memory_limit) = 1<<30; /* effectively, no limit */
}
return zend_set_memory_limit(PG(memory_limit));
}
/* }}} */
#endif
/* {{{ php_disable_functions
*/
static void php_disable_functions(TSRMLS_D)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_functions"))) {
return;
}
/* Intentional one time memory leak on startup */
e = strdup(INI_STR("disable_functions"));
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_function(s, e-s TSRMLS_CC);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_function(s, e-s TSRMLS_CC);
}
}
/* }}} */
/* {{{ php_disable_classes
*/
static void php_disable_classes(TSRMLS_D)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_classes"))) {
return;
}
/* Intentional one time memory leak on startup */
e = strdup(INI_STR("disable_classes"));
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_class(s, e-s TSRMLS_CC);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_class(s, e-s TSRMLS_CC);
}
}
/* }}} */
/* {{{ 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 PHP_SAFE_MODE_EXEC_DIR
# define PHP_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", "", 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_ALL, 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_ENTRY("max_input_time", "-1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateInt, max_input_time, 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_ALL, 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_ALL, OnUpdateBool, report_memleaks, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("magic_quotes_gpc", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, 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", "1", 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("serialize_precision", "100", PHP_INI_ALL, OnUpdateInt, serialize_precision, 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, OnUpdateString, open_basedir, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("safe_mode_exec_dir", PHP_SAFE_MODE_EXEC_DIR, 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, OnUpdateString, 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, OnUpdateString, error_append_string, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("error_prepend_string", NULL, PHP_INI_ALL, OnUpdateString, 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)
#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)
PHP_INI_ENTRY("disable_classes", "", PHP_INI_SYSTEM, NULL)
STD_PHP_INI_BOOLEAN("allow_url_fopen", "1", PHP_INI_SYSTEM, 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, sizeof(error_time_str), "%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, "%s", PHP_EOL);
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);
}
}
/* }}} */
/* {{{ 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_docref(NULL TSRMLS_CC, E_ERROR, "Out of memory");
ret = 0;
}
va_end(args);
return ret;
}
/* }}} */
/* {{{ php_verror */
/* php_verror is called from php_error_docref<n> functions.
* Its purpose is to unify error messages and automatically generate clickable
* html error messages if correcponding ini setting (html_errors) is activated.
* See: CODING_STANDARDS for details.
*/
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, *ref = NULL, *target = NULL;
char *docref_target = "", *docref_root = "";
char *function, *p;
int buffer_len = 0;
buffer_len = vspprintf(&buffer, 0, format, args);
if (buffer) {
if (PG(html_errors)) {
int len;
char *replace = php_escape_html_entities(buffer, buffer_len, &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
efree(buffer);
buffer = replace;
buffer_len = len;
}
if (docref && docref[0] == '#') {
docref_target = strchr(docref, '#');
docref = NULL;
}
if (!docref) {
function = get_active_function_name(TSRMLS_C);
if (function) {
spprintf(&docref_buf, 0, "function.%s", function);
if (docref_buf) {
while((p=strchr(docref_buf, '_'))!=NULL) *p = '-';
docref = docref_buf;
}
}
}
if (docref) {
if (strncmp(docref, "http://", 7)) {
docref_root = PG(docref_root);
/* now check copy of extension */
ref = estrdup(docref);
if (ref) {
if (docref_buf) {
efree(docref_buf);
}
docref_buf = ref;
docref = docref_buf;
p = strrchr(ref, '#');
if (p) {
target = estrdup(p);
if (target) {
docref_target = target;
*p = '\0';
}
}
if ((!p || target) && PG(docref_ext) && strlen(PG(docref_ext))) {
spprintf(&docref_buf, 0, "%s%s", ref, PG(docref_ext));
if (docref_buf) {
efree(ref);
docref = docref_buf;
}
}
}
}
if (!PG(html_errors) || !strlen(PG(docref_root))) {
/* no docref and no html errors -> do not point to any documentation (e.g. production boxes) */
php_error(type, "%s(%s): %s", get_active_function_name(TSRMLS_C), params, buffer);
} else if (PG(html_errors)) {
php_error(type, "%s(%s) [<a href='%s%s%s'>%s</a>]: %s", get_active_function_name(TSRMLS_C), params, docref_root, docref, docref_target, docref, buffer);
} else {
php_error(type, "%s(%s) [%s%s%s]: %s", get_active_function_name(TSRMLS_C), params, docref_root, docref, docref_target, buffer);
}
if (target) {
efree(target);
}
} else {
docref = get_active_function_name(TSRMLS_C);
if (!docref)
docref = "Unknown";
php_error(type, "%s(%s): %s", docref, params, buffer);
}
if (PG(track_errors) && EG(active_symbol_table)) {
zval *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);
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 */
/* See: CODING_STANDARDS for details. */
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 */
/* See: CODING_STANDARDS for details. */
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 */
/* See: CODING_STANDARDS for details. */
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(¶ms, 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 TSRMLS_CC);
}
/* }}} */
/* {{{ 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 = PG(html_errors) ?
"%s<br />\n<b>%s</b>: %s in <b>%s</b> on line <b>%d</b><br />\n%s"
: "%s\n%s: %s in %s on line %d\n%s";
php_printf(error_format, STR_PRINT(prepend_string), error_type_str, buffer, error_filename, error_lineno, STR_PRINT(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:
EG(exit_status) = 255;
if (module_initialized) {
#if MEMORY_LIMIT
/* restore memory limit */
AG(memory_limit) = PG(memory_limit);
#endif
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_docref(NULL TSRMLS_CC, 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", ENFORCE_SAFE_MODE|USE_PATH|IGNORE_URL_WIN|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE, opened_path);
}
/* }}} */
/* {{{ php_open_wrapper_for_zend
*/
static zend_bool php_open_wrapper_for_zend(const char *filename, struct _zend_file_handle *fh)
{
TSRMLS_FETCH();
return php_stream_open_wrapper_as_file_handle((char *)filename, "rb", ENFORCE_SAFE_MODE|USE_PATH|IGNORE_URL_WIN|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE, fh);
}
/* }}} */
/* {{{ 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_docref("function.include" TSRMLS_CC, 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_docref("function.require" TSRMLS_CC, 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: {
TSRMLS_FETCH();
php_error_docref(NULL TSRMLS_CC, 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, "%s", 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;
}
}
/* }}} */
void php_on_timeout(int seconds TSRMLS_DC)
{
PG(connection_status) |= PHP_CONNECTION_TIMEOUT;
zend_set_timeout(EG(timeout_seconds));
}
#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;
#ifdef PHP_WIN32
CoInitialize(NULL);
#endif
#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);
if (PG(max_input_time) == -1) {
zend_set_timeout(EG(timeout_seconds));
} else {
zend_set_timeout(PG(max_input_time));
}
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]) {
php_start_ob_buffer_named(PG(output_handler), 0, 1 TSRMLS_CC);
} else if (PG(output_buffering)) {
if (PG(output_buffering)>1) {
php_start_ob_buffer(NULL, PG(output_buffering), 1 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();
/* EG(opline_ptr) points into nirvana and therefore cannot be safely accessed
inside zend_executor callback functions. */
EG(opline_ptr) = NULL;
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();