/
main.c
2644 lines (2306 loc) · 75.3 KB
/
main.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.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
*/
#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
#include "php.h"
#include <stdio.h>
#include <fcntl.h>
#ifdef PHP_WIN32
#include "win32/time.h"
#include "win32/signal.h"
#include "win32/php_win32_globals.h"
#include "win32/winutil.h"
#include <process.h>
#elif defined(NETWARE)
#include <sys/timeval.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_types.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 "ext/standard/php_string.h"
#include "ext/date/php_date.h"
#include "php_variables.h"
#include "ext/standard/credits.h"
#ifdef PHP_WIN32
#include <io.h>
#include "win32/php_registry.h"
#include "ext/standard/flock_compat.h"
#endif
#include "php_syslog.h"
#include "Zend/zend_exceptions.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_extensions.h"
#include "zend_ini.h"
#include "zend_dtrace.h"
#include "php_content_types.h"
#include "php_ticks.h"
#include "php_streams.h"
#include "php_open_temporary_file.h"
#include "SAPI.h"
#include "rfc1867.h"
#if HAVE_MMAP || defined(PHP_WIN32)
# if HAVE_UNISTD_H
# include <unistd.h>
# if defined(_SC_PAGESIZE)
# define REAL_PAGE_SIZE sysconf(_SC_PAGESIZE);
# elif defined(_SC_PAGE_SIZE)
# define REAL_PAGE_SIZE sysconf(_SC_PAGE_SIZE);
# endif
# endif
# if HAVE_SYS_MMAN_H
# include <sys/mman.h>
# endif
# ifndef REAL_PAGE_SIZE
# ifdef PAGE_SIZE
# define REAL_PAGE_SIZE PAGE_SIZE
# else
# define REAL_PAGE_SIZE 4096
# endif
# endif
#endif
/* }}} */
PHPAPI int (*php_register_internal_extensions_func)(void) = php_register_internal_extensions;
#ifndef ZTS
php_core_globals core_globals;
#else
PHPAPI int core_globals_id;
#endif
#define SAFE_FILENAME(f) ((f)?(f):"-")
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnSetPrecision)
{
zend_long i;
ZEND_ATOL(i, ZSTR_VAL(new_value));
if (i >= 0) {
EG(precision) = i;
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnChangeMemoryLimit)
{
if (new_value) {
PG(memory_limit) = zend_atol(ZSTR_VAL(new_value), (int)ZSTR_LEN(new_value));
} else {
PG(memory_limit) = 1<<30; /* effectively, no limit */
}
return zend_set_memory_limit(PG(memory_limit));
}
/* }}} */
/* {{{ php_disable_functions
*/
static void php_disable_functions(void)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_functions"))) {
return;
}
e = PG(disable_functions) = strdup(INI_STR("disable_functions"));
if (e == NULL) {
return;
}
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_function(s, e-s);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_function(s, e-s);
}
}
/* }}} */
/* {{{ php_disable_classes
*/
static void php_disable_classes(void)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_classes"))) {
return;
}
e = PG(disable_classes) = strdup(INI_STR("disable_classes"));
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_class(s, e-s);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_class(s, e-s);
}
}
/* }}} */
/* {{{ php_binary_init
*/
static void php_binary_init(void)
{
char *binary_location;
#ifdef PHP_WIN32
binary_location = (char *)malloc(MAXPATHLEN);
if (GetModuleFileName(0, binary_location, MAXPATHLEN) == 0) {
free(binary_location);
PG(php_binary) = NULL;
}
#else
if (sapi_module.executable_location) {
binary_location = (char *)malloc(MAXPATHLEN);
if (!strchr(sapi_module.executable_location, '/')) {
char *envpath, *path;
int found = 0;
if ((envpath = getenv("PATH")) != NULL) {
char *search_dir, search_path[MAXPATHLEN];
char *last = NULL;
zend_stat_t s;
path = estrdup(envpath);
search_dir = php_strtok_r(path, ":", &last);
while (search_dir) {
snprintf(search_path, MAXPATHLEN, "%s/%s", search_dir, sapi_module.executable_location);
if (VCWD_REALPATH(search_path, binary_location) && !VCWD_ACCESS(binary_location, X_OK) && VCWD_STAT(binary_location, &s) == 0 && S_ISREG(s.st_mode)) {
found = 1;
break;
}
search_dir = php_strtok_r(NULL, ":", &last);
}
efree(path);
}
if (!found) {
free(binary_location);
binary_location = NULL;
}
} else if (!VCWD_REALPATH(sapi_module.executable_location, binary_location) || VCWD_ACCESS(binary_location, X_OK)) {
free(binary_location);
binary_location = NULL;
}
} else {
binary_location = NULL;
}
#endif
PG(php_binary) = binary_location;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateTimeout)
{
if (stage==PHP_INI_STAGE_STARTUP) {
/* Don't set a timeout on startup, only per-request */
ZEND_ATOL(EG(timeout_seconds), ZSTR_VAL(new_value));
return SUCCESS;
}
zend_unset_timeout();
ZEND_ATOL(EG(timeout_seconds), ZSTR_VAL(new_value));
zend_set_timeout(EG(timeout_seconds), 0);
return SUCCESS;
}
/* }}} */
/* {{{ php_get_display_errors_mode() helper function
*/
static int php_get_display_errors_mode(char *value, int value_length)
{
int mode;
if (!value) {
return PHP_DISPLAY_ERRORS_STDOUT;
}
if (value_length == 2 && !strcasecmp("on", value)) {
mode = PHP_DISPLAY_ERRORS_STDOUT;
} else if (value_length == 3 && !strcasecmp("yes", value)) {
mode = PHP_DISPLAY_ERRORS_STDOUT;
} else if (value_length == 4 && !strcasecmp("true", value)) {
mode = PHP_DISPLAY_ERRORS_STDOUT;
} else if (value_length == 6 && !strcasecmp(value, "stderr")) {
mode = PHP_DISPLAY_ERRORS_STDERR;
} else if (value_length == 6 && !strcasecmp(value, "stdout")) {
mode = PHP_DISPLAY_ERRORS_STDOUT;
} else {
ZEND_ATOL(mode, value);
if (mode && mode != PHP_DISPLAY_ERRORS_STDOUT && mode != PHP_DISPLAY_ERRORS_STDERR) {
mode = PHP_DISPLAY_ERRORS_STDOUT;
}
}
return mode;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateDisplayErrors)
{
PG(display_errors) = (zend_bool) php_get_display_errors_mode(ZSTR_VAL(new_value), (int)ZSTR_LEN(new_value));
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_DISP
*/
static PHP_INI_DISP(display_errors_mode)
{
int mode, tmp_value_length, cgi_or_cli;
char *tmp_value;
if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
tmp_value = (ini_entry->orig_value ? ZSTR_VAL(ini_entry->orig_value) : NULL );
tmp_value_length = (int)(ini_entry->orig_value? ZSTR_LEN(ini_entry->orig_value) : 0);
} else if (ini_entry->value) {
tmp_value = ZSTR_VAL(ini_entry->value);
tmp_value_length = (int)ZSTR_LEN(ini_entry->value);
} else {
tmp_value = NULL;
tmp_value_length = 0;
}
mode = php_get_display_errors_mode(tmp_value, tmp_value_length);
/* Display 'On' for other SAPIs instead of STDOUT or STDERR */
cgi_or_cli = (!strcmp(sapi_module.name, "cli") || !strcmp(sapi_module.name, "cgi"));
switch (mode) {
case PHP_DISPLAY_ERRORS_STDERR:
if (cgi_or_cli ) {
PUTS("STDERR");
} else {
PUTS("On");
}
break;
case PHP_DISPLAY_ERRORS_STDOUT:
if (cgi_or_cli ) {
PUTS("STDOUT");
} else {
PUTS("On");
}
break;
default:
PUTS("Off");
break;
}
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateInternalEncoding)
{
if (new_value) {
OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateInputEncoding)
{
if (new_value) {
OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateOutputEncoding)
{
if (new_value) {
OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateErrorLog)
{
/* Only do the safemode/open_basedir check at runtime */
if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) && new_value && strcmp(ZSTR_VAL(new_value), "syslog")) {
if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) {
return FAILURE;
}
}
OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateMailLog)
{
/* Only do the safemode/open_basedir check at runtime */
if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) && new_value) {
if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) {
return FAILURE;
}
}
OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnChangeMailForceExtra)
{
/* Don't allow changing it in htaccess */
if (stage == PHP_INI_STAGE_HTACCESS) {
return FAILURE;
}
return SUCCESS;
}
/* }}} */
/* defined in browscap.c */
PHP_INI_MH(OnChangeBrowscap);
/* Need to be read from the environment (?):
* PHP_AUTO_PREPEND_FILE
* PHP_AUTO_APPEND_FILE
* PHP_DOCUMENT_ROOT
* PHP_USER_DIR
* PHP_INCLUDE_PATH
*/
/* Windows and Netware use the internal mail */
#if defined(PHP_WIN32) || defined(NETWARE)
# define DEFAULT_SENDMAIL_PATH NULL
#elif defined(PHP_PROG_SENDMAIL)
# define DEFAULT_SENDMAIL_PATH PHP_PROG_SENDMAIL " -t -i "
#else
# define DEFAULT_SENDMAIL_PATH "/usr/sbin/sendmail -t -i"
#endif
/* {{{ PHP_INI
*/
PHP_INI_BEGIN()
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_ENTRY_EX("display_errors", "1", PHP_INI_ALL, OnUpdateDisplayErrors, display_errors, php_core_globals, core_globals, display_errors_mode)
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, OnUpdateLong, xmlrpc_error_number, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("max_input_time", "-1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, 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, OnUpdateLong, 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("report_zend_debug", "1", PHP_INI_ALL, OnUpdateBool, report_zend_debug, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("output_buffering", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateLong, 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("auto_globals_jit", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, auto_globals_jit, 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_ENTRY("unserialize_callback_func", NULL, PHP_INI_ALL, OnUpdateString, unserialize_callback_func, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("serialize_precision", "17", PHP_INI_ALL, OnUpdateLongGEZero, 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", PHP_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("internal_encoding", NULL, PHP_INI_ALL, OnUpdateInternalEncoding, internal_encoding, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("input_encoding", NULL, PHP_INI_ALL, OnUpdateInputEncoding, input_encoding, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("output_encoding", NULL, PHP_INI_ALL, OnUpdateOutputEncoding, output_encoding, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("error_log", NULL, PHP_INI_ALL, OnUpdateErrorLog, 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("sys_temp_dir", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, sys_temp_dir, 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_ALL, OnUpdateBaseDir, open_basedir, 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, OnUpdateLong, upload_max_filesize, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("post_max_size", "8M", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, 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("max_input_nesting_level", "64", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLongGEZero, max_input_nesting_level, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("max_input_vars", "1000", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLongGEZero, max_input_vars, 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", "EGPCS", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateStringUnempty, variables_order, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("request_order", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, request_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)
STD_PHP_INI_BOOLEAN("mail.add_x_header", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, mail_x_header, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("mail.log", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateMailLog, mail_log, php_core_globals, core_globals)
PHP_INI_ENTRY("browscap", NULL, PHP_INI_SYSTEM, OnChangeBrowscap)
PHP_INI_ENTRY("memory_limit", "128M", PHP_INI_ALL, OnChangeMemoryLimit)
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("mail.force_extra_parameters",NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnChangeMailForceExtra)
PHP_INI_ENTRY("disable_functions", "", PHP_INI_SYSTEM, NULL)
PHP_INI_ENTRY("disable_classes", "", PHP_INI_SYSTEM, NULL)
PHP_INI_ENTRY("max_file_uploads", "20", PHP_INI_SYSTEM|PHP_INI_PERDIR, 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("allow_url_include", "0", PHP_INI_SYSTEM, OnUpdateBool, allow_url_include, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("enable_post_data_reading", "1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, enable_post_data_reading, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("realpath_cache_size", "16K", PHP_INI_SYSTEM, OnUpdateLong, realpath_cache_size_limit, virtual_cwd_globals, cwd_globals)
STD_PHP_INI_ENTRY("realpath_cache_ttl", "120", PHP_INI_SYSTEM, OnUpdateLong, realpath_cache_ttl, virtual_cwd_globals, cwd_globals)
STD_PHP_INI_ENTRY("user_ini.filename", ".user.ini", PHP_INI_SYSTEM, OnUpdateString, user_ini_filename, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("user_ini.cache_ttl", "300", PHP_INI_SYSTEM, OnUpdateLong, user_ini_cache_ttl, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("exit_on_timeout", "0", PHP_INI_ALL, OnUpdateBool, exit_on_timeout, php_core_globals, core_globals)
#ifdef PHP_WIN32
STD_PHP_INI_BOOLEAN("windows.show_crt_warning", "0", PHP_INI_ALL, OnUpdateBool, windows_show_crt_warning, php_core_globals, core_globals)
#endif
PHP_INI_END()
/* }}} */
/* True globals (no need for thread safety */
/* But don't make them a single int bitfield */
static int module_initialized = 0;
static int module_startup = 1;
static int module_shutdown = 0;
/* {{{ php_during_module_startup */
static int php_during_module_startup(void)
{
return module_startup;
}
/* }}} */
/* {{{ php_during_module_shutdown */
static int php_during_module_shutdown(void)
{
return module_shutdown;
}
/* }}} */
/* {{{ php_get_module_initialized
*/
PHPAPI int php_get_module_initialized(void)
{
return module_initialized;
}
/* }}} */
/* {{{ php_log_err
*/
PHPAPI ZEND_COLD void php_log_err(char *log_message)
{
int fd = -1;
time_t error_time;
if (PG(in_error_log)) {
/* prevent recursive invocation */
return;
}
PG(in_error_log) = 1;
/* 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, "%s", log_message);
PG(in_error_log) = 0;
return;
}
#endif
fd = VCWD_OPEN_MODE(PG(error_log), O_CREAT | O_APPEND | O_WRONLY, 0644);
if (fd != -1) {
char *tmp;
size_t len;
zend_string *error_time_str;
time(&error_time);
#ifdef ZTS
if (!php_during_module_startup()) {
error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 1);
} else {
error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 0);
}
#else
error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 1);
#endif
len = spprintf(&tmp, 0, "[%s] %s%s", ZSTR_VAL(error_time_str), log_message, PHP_EOL);
#ifdef PHP_WIN32
php_flock(fd, 2);
/* XXX should eventually write in a loop if len > UINT_MAX */
php_ignore_value(write(fd, tmp, (unsigned)len));
#else
php_ignore_value(write(fd, tmp, len));
#endif
efree(tmp);
zend_string_free(error_time_str);
close(fd);
PG(in_error_log) = 0;
return;
}
}
/* Otherwise fall back to the default logging location, if we have one */
if (sapi_module.log_message) {
sapi_module.log_message(log_message);
}
PG(in_error_log) = 0;
}
/* }}} */
/* {{{ php_write
wrapper for modules to use PHPWRITE */
PHPAPI size_t php_write(void *buf, size_t size)
{
return PHPWRITE(buf, size);
}
/* }}} */
/* {{{ php_printf
*/
PHPAPI size_t php_printf(const char *format, ...)
{
va_list args;
size_t ret;
char *buffer;
size_t size;
va_start(args, format);
size = vspprintf(&buffer, 0, format, args);
ret = PHPWRITE(buffer, size);
efree(buffer);
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 ZEND_COLD void php_verror(const char *docref, const char *params, int type, const char *format, va_list args)
{
zend_string *replace_buffer = NULL, *replace_origin = NULL;
char *buffer = NULL, *docref_buf = NULL, *target = NULL;
char *docref_target = "", *docref_root = "";
char *p;
int buffer_len = 0;
const char *space = "";
const char *class_name = "";
const char *function;
int origin_len;
char *origin;
char *message;
int is_function = 0;
/* get error text into buffer and escape for html if necessary */
buffer_len = (int)vspprintf(&buffer, 0, format, args);
if (PG(html_errors)) {
replace_buffer = php_escape_html_entities((unsigned char*)buffer, buffer_len, 0, ENT_COMPAT, NULL);
/* Retry with substituting invalid chars on fail. */
if (!replace_buffer || ZSTR_LEN(replace_buffer) < 1) {
replace_buffer = php_escape_html_entities((unsigned char*)buffer, buffer_len, 0, ENT_COMPAT | ENT_HTML_SUBSTITUTE_ERRORS, NULL);
}
efree(buffer);
if (replace_buffer) {
buffer = ZSTR_VAL(replace_buffer);
buffer_len = (int)ZSTR_LEN(replace_buffer);
} else {
buffer = "";
buffer_len = 0;
}
}
/* which function caused the problem if any at all */
if (php_during_module_startup()) {
function = "PHP Startup";
} else if (php_during_module_shutdown()) {
function = "PHP Shutdown";
} else if (EG(current_execute_data) &&
EG(current_execute_data)->func &&
ZEND_USER_CODE(EG(current_execute_data)->func->common.type) &&
EG(current_execute_data)->opline &&
EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL
) {
switch (EG(current_execute_data)->opline->extended_value) {
case ZEND_EVAL:
function = "eval";
is_function = 1;
break;
case ZEND_INCLUDE:
function = "include";
is_function = 1;
break;
case ZEND_INCLUDE_ONCE:
function = "include_once";
is_function = 1;
break;
case ZEND_REQUIRE:
function = "require";
is_function = 1;
break;
case ZEND_REQUIRE_ONCE:
function = "require_once";
is_function = 1;
break;
default:
function = "Unknown";
}
} else {
function = get_active_function_name();
if (!function || !strlen(function)) {
function = "Unknown";
} else {
is_function = 1;
class_name = get_active_class_name(&space);
}
}
/* if we still have memory then format the origin */
if (is_function) {
origin_len = (int)spprintf(&origin, 0, "%s%s%s(%s)", class_name, space, function, params);
} else {
origin_len = (int)spprintf(&origin, 0, "%s", function);
}
if (PG(html_errors)) {
replace_origin = php_escape_html_entities((unsigned char*)origin, origin_len, 0, ENT_COMPAT, NULL);
efree(origin);
origin = ZSTR_VAL(replace_origin);
}
/* origin and buffer available, so lets come up with the error message */
if (docref && docref[0] == '#') {
docref_target = strchr(docref, '#');
docref = NULL;
}
/* no docref given but function is known (the default) */
if (!docref && is_function) {
int doclen;
while (*function == '_') {
function++;
}
if (space[0] == '\0') {
doclen = (int)spprintf(&docref_buf, 0, "function.%s", function);
} else {
doclen = (int)spprintf(&docref_buf, 0, "%s.%s", class_name, function);
}
while((p = strchr(docref_buf, '_')) != NULL) {
*p = '-';
}
docref = php_strtolower(docref_buf, doclen);
}
/* we have a docref for a function AND
* - we show errors in html mode AND
* - the user wants to see the links
*/
if (docref && is_function && PG(html_errors) && strlen(PG(docref_root))) {
if (strncmp(docref, "http://", 7)) {
/* We don't have 'http://' so we use docref_root */
char *ref; /* temp copy for duplicated docref */
docref_root = PG(docref_root);
ref = estrdup(docref);
if (docref_buf) {
efree(docref_buf);
}
docref_buf = ref;
/* strip of the target if any */
p = strrchr(ref, '#');
if (p) {
target = estrdup(p);
if (target) {
docref_target = target;
*p = '\0';
}
}
/* add the extension if it is set in ini */
if (PG(docref_ext) && strlen(PG(docref_ext))) {
spprintf(&docref_buf, 0, "%s%s", ref, PG(docref_ext));
efree(ref);
}
docref = docref_buf;
}
/* display html formatted or only show the additional links */
if (PG(html_errors)) {
spprintf(&message, 0, "%s [<a href='%s%s%s'>%s</a>]: %s", origin, docref_root, docref, docref_target, docref, buffer);
} else {
spprintf(&message, 0, "%s [%s%s%s]: %s", origin, docref_root, docref, docref_target, buffer);
}
if (target) {
efree(target);
}
} else {
spprintf(&message, 0, "%s: %s", origin, buffer);
}
if (replace_origin) {
zend_string_free(replace_origin);
} else {
efree(origin);
}
if (docref_buf) {
efree(docref_buf);
}
if (PG(track_errors) && module_initialized && EG(valid_symbol_table) &&
(Z_TYPE(EG(user_error_handler)) == IS_UNDEF || !(EG(user_error_handler_error_reporting) & type))) {
zval tmp;
ZVAL_STRINGL(&tmp, buffer, buffer_len);
if (EG(current_execute_data)) {
if (zend_set_local_var_str("php_errormsg", sizeof("php_errormsg")-1, &tmp, 0) == FAILURE) {
zval_ptr_dtor(&tmp);
}
} else {
zend_hash_str_update_ind(&EG(symbol_table), "php_errormsg", sizeof("php_errormsg")-1, &tmp);
}
}
if (replace_buffer) {
zend_string_free(replace_buffer);
} else {
if (buffer_len > 0) {
efree(buffer);
}
}
php_error(type, "%s", message);
efree(message);
}
/* }}} */
/* {{{ php_error_docref0 */
/* See: CODING_STANDARDS for details. */
PHPAPI ZEND_COLD void php_error_docref0(const char *docref, int type, const char *format, ...)
{
va_list args;
va_start(args, format);
php_verror(docref, "", type, format, args);
va_end(args);
}
/* }}} */
/* {{{ php_error_docref1 */
/* See: CODING_STANDARDS for details. */
PHPAPI ZEND_COLD void php_error_docref1(const char *docref, const char *param1, int type, const char *format, ...)
{
va_list args;
va_start(args, format);
php_verror(docref, param1, type, format, args);
va_end(args);
}
/* }}} */
/* {{{ php_error_docref2 */
/* See: CODING_STANDARDS for details. */
PHPAPI ZEND_COLD void php_error_docref2(const char *docref, 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);
va_end(args);
if (params) {
efree(params);
}
}
/* }}} */
#ifdef PHP_WIN32
#define PHP_WIN32_ERROR_MSG_BUFFER_SIZE 512
PHPAPI ZEND_COLD void php_win32_docref2_from_error(DWORD error, const char *param1, const char *param2) {
if (error == 0) {
php_error_docref2(NULL, param1, param2, E_WARNING, "%s", strerror(errno));
} else {
char buf[PHP_WIN32_ERROR_MSG_BUFFER_SIZE + 1];
int buf_len;
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, error, 0, buf, PHP_WIN32_ERROR_MSG_BUFFER_SIZE, NULL);
buf_len = (int)strlen(buf);
if (buf_len >= 2) {
buf[buf_len - 1] = '\0';
buf[buf_len - 2] = '\0';
}
php_error_docref2(NULL, param1, param2, E_WARNING, "%s (code: %lu)", (char *)buf, error);
}
}
#undef PHP_WIN32_ERROR_MSG_BUFFER_SIZE
#endif
/* {{{ php_html_puts */
PHPAPI void php_html_puts(const char *str, size_t size)
{
zend_html_puts(str, size);
}
/* }}} */
/* {{{ php_error_cb
extended error handling function */
static ZEND_COLD 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;
buffer_len = (int)vspprintf(&buffer, PG(log_errors_max_len), format, args);
/* check for repeated errors to be ignored */
if (PG(ignore_repeated_errors) && PG(last_error_message)) {
/* no check for PG(last_error_file) is needed since it cannot
* be NULL if PG(last_error_message) is not NULL */
if (strcmp(PG(last_error_message), buffer)
|| (!PG(ignore_repeated_source)
&& ((PG(last_error_lineno) != (int)error_lineno)
|| strcmp(PG(last_error_file), error_filename)))) {
display = 1;
} else {
display = 0;
}
} else {
display = 1;
}
/* store the error if it has changed */
if (display) {
if (PG(last_error_message)) {
char *s = PG(last_error_message);
PG(last_error_message) = NULL;