/
main.c
2364 lines (2051 loc) · 69.6 KB
/
main.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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 <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_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 "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_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 "php_open_temporary_file.h"
#include "SAPI.h"
#include "rfc1867.h"
/* }}} */
#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)
{
int i = atoi(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(new_value, new_value_length);
} 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(TSRMLS_D)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_functions"))) {
return;
}
e = PG(disable_functions) = 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;
}
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 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), 0);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static ZEND_INI_MH(OnUpdateOutputEncoding)
{
if (new_value) {
if (zend_set_converter_encoding(&UG(output_encoding_conv), new_value) == FAILURE) {
zend_error(E_CORE_ERROR, "Unrecognized encoding '%s' used for %s", new_value ? new_value : "null", entry->name);
return FAILURE;
}
} else {
if (UG(output_encoding_conv)) {
ucnv_close(UG(output_encoding_conv));
}
UG(output_encoding_conv) = NULL;
}
if (UG(output_encoding_conv)) {
zend_set_converter_error_mode(UG(output_encoding_conv), ZEND_FROM_UNICODE, UG(from_error_mode));
zend_set_converter_subst_char(UG(output_encoding_conv), UG(from_subst_char));
if (stage == ZEND_INI_STAGE_RUNTIME) {
sapi_update_default_charset(TSRMLS_C);
}
}
return SUCCESS;
}
/* }}} */
#define PHP_INI_OPTION_HEADERS_SENT(option_name) \
if (SG(headers_sent)) { \
char *output_start_filename = php_output_get_start_filename(TSRMLS_C); \
int output_start_lineno = php_output_get_start_lineno(TSRMLS_C); \
if (output_start_filename) { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Option " #option_name " cannot be changed after headers have been sent (output started at %s:%d)", \
output_start_filename, output_start_lineno); \
} else { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Option " #option_name " cannot be changed after headers have been sent"); \
} \
return FAILURE; \
}
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateDefaultCharset)
{
if (stage == PHP_INI_STAGE_RUNTIME && !SG(request_info).no_headers) {
sapi_header_line ctr = {0};
int mimetype_len;
PHP_INI_OPTION_HEADERS_SENT(default_charset)
mimetype_len = SG(default_mimetype) ? strlen(SG(default_mimetype)) : 0;
if (new_value_length) {
ctr.line = emalloc( sizeof("Content-type: ")-1 + mimetype_len + sizeof("; charset=")-1 + new_value_length + 1);
memcpy(ctr.line, "Content-type: ", sizeof("Content-type: "));
memcpy(ctr.line + sizeof("Content-type: ")-1, SG(default_mimetype), mimetype_len);
memcpy(ctr.line + sizeof("Content-type: ")-1 + mimetype_len, "; charset=", sizeof("; charset="));
memcpy(ctr.line + sizeof("Content-type: ")-1 + mimetype_len + sizeof("; charset=")-1, new_value, new_value_length);
ctr.line_len = sizeof("Content-type: ")-1 + mimetype_len + sizeof("; charset=")-1 + new_value_length;
} else {
ctr.line = emalloc( sizeof("Content-type: ")-1 + mimetype_len + 1);
memcpy(ctr.line, "Content-type: ", sizeof("Content-type: "));
memcpy(ctr.line + sizeof("Content-type: ")-1, SG(default_mimetype), mimetype_len);
ctr.line_len = sizeof("Content-type: ")-1 + mimetype_len;
}
ctr.line[ctr.line_len] = 0;
sapi_header_op(SAPI_HEADER_REPLACE, &ctr TSRMLS_CC);
efree(ctr.line);
}
OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateDefaultMimetype)
{
if (stage == PHP_INI_STAGE_RUNTIME && !SG(request_info).no_headers) {
sapi_header_line ctr = {0};
int charset_len;
PHP_INI_OPTION_HEADERS_SENT(default_mimetype)
charset_len = SG(default_charset) ? strlen(SG(default_charset)) : 0;
if (charset_len) {
ctr.line = emalloc( sizeof("Content-type: ")-1 + new_value_length + sizeof("; charset=")-1 + charset_len + 1);
memcpy(ctr.line, "Content-type: ", sizeof("Content-type: "));
memcpy(ctr.line + sizeof("Content-type: ")-1, new_value, new_value_length);
memcpy(ctr.line + sizeof("Content-type: ")-1 + new_value_length, "; charset=", sizeof("; charset="));
memcpy(ctr.line + sizeof("Content-type: ")-1 + new_value_length + sizeof("; charset=")-1, SG(default_charset), charset_len);
ctr.line_len = sizeof("Content-type: ")-1 + new_value_length + sizeof("; charset=")-1 + new_value_length;
} else {
ctr.line = emalloc( sizeof("Content-type: ")-1 + new_value_length + 1);
memcpy(ctr.line, "Content-type: ", sizeof("Content-type: "));
memcpy(ctr.line + sizeof("Content-type: ")-1, new_value, new_value_length);
ctr.line_len = sizeof("Content-type: ")-1 + new_value_length;
}
ctr.line[ctr.line_len] = 0;
sapi_header_op(SAPI_HEADER_REPLACE, &ctr TSRMLS_CC);
efree(ctr.line);
}
OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
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 {
mode = atoi(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(new_value, new_value_length);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_DISP
*/
static PHP_INI_DISP(display_errors_mode)
{
int mode, tmp_value_length, cgi_or_cli;
char *tmp_value;
TSRMLS_FETCH();
if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
tmp_value = (ini_entry->orig_value ? ini_entry->orig_value : NULL );
tmp_value_length = ini_entry->orig_value_length;
} else if (ini_entry->value) {
tmp_value = ini_entry->value;
tmp_value_length = ini_entry->value_length;
} 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(OnUpdateErrorLog)
{
/* Only do the safemode/open_basedir check at runtime */
if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) &&
strcmp(new_value, "syslog")) {
if (PG(open_basedir) && php_check_open_basedir(new_value TSRMLS_CC)) {
return FAILURE;
}
}
OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
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;
}
/* }}} */
/*
* 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
#else
# define DEFAULT_SENDMAIL_PATH "/usr/sbin/sendmail -t -i"
#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.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("asp_tags", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, asp_tags, zend_compiler_globals, compiler_globals)
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("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_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, 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", SAPI_DEFAULT_CHARSET, PHP_INI_ALL, OnUpdateDefaultCharset, default_charset, sapi_globals_struct,sapi_globals)
STD_PHP_INI_ENTRY("default_mimetype", SAPI_DEFAULT_MIMETYPE, PHP_INI_ALL, OnUpdateDefaultMimetype, default_mimetype, sapi_globals_struct,sapi_globals)
ZEND_INI_ENTRY("unicode.output_encoding", NULL, ZEND_INI_ALL, OnUpdateOutputEncoding)
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("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("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)
PHP_INI_ENTRY("browscap", NULL, PHP_INI_SYSTEM, NULL)
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)
STD_PHP_INI_BOOLEAN("allow_url_fopen", "1", PHP_INI_ALL, OnUpdateAllowUrl, allow_url_fopen_list, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("allow_url_include", "0", PHP_INI_ALL, OnUpdateAllowUrl, allow_url_include_list, 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)
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)
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_log_err
*/
PHPAPI void php_log_err(char *log_message TSRMLS_DC)
{
int fd = -1;
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
fd = VCWD_OPEN_MODE(PG(error_log), O_CREAT | O_APPEND | O_WRONLY, 0644);
if (fd != -1) {
char *tmp;
int len;
time(&error_time);
strftime(error_time_str, sizeof(error_time_str), "%d-%b-%Y %H:%M:%S", php_localtime_r(&error_time, &tmbuf));
len = spprintf(&tmp, 0, "[%s] %s%s", error_time_str, log_message, PHP_EOL);
#ifdef PHP_WIN32
php_flock(fd, 2);
#endif
write(fd, tmp, len);
efree(tmp);
close(fd);
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);
ret = PHPWRITE(buffer, size);
efree(buffer);
va_end(args);
return ret;
}
/* }}} */
/* {{{ php_verror helpers */
/* {{{ 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_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, *target = NULL;
char *docref_target = "", *docref_root = "";
char *p;
int buffer_len = 0;
char *space;
zstr class_name = get_active_class_name(&space TSRMLS_CC);
int origin_len;
zstr function = NULL_ZSTR;
char *origin;
char *message;
char *stage = "Unknown";
int function_name_is_string = 1;
/* get error text into buffer and escape for html if necessary */
buffer_len = vspprintf(&buffer, 0, format, args);
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;
}
/* which function caused the problem if any at all */
if (php_during_module_startup()) {
stage = "PHP Startup";
} else if (php_during_module_shutdown()) {
stage = "PHP Shutdown";
} else if (EG(current_execute_data) &&
EG(current_execute_data)->opline &&
EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL
) {
switch (EG(current_execute_data)->opline->op2.u.constant.value.lval) {
case ZEND_EVAL:
function.s = "eval";
break;
case ZEND_INCLUDE:
function.s = "include";
break;
case ZEND_INCLUDE_ONCE:
function.s = "include_once";
break;
case ZEND_REQUIRE:
function.s = "require";
break;
case ZEND_REQUIRE_ONCE:
function.s = "require_once";
break;
default:
stage = "Unknown";
}
} else {
function_name_is_string = 0;
function = get_active_function_name(TSRMLS_C);
if (!function.v || !USTR_LEN(function)) {
stage = "Unknown";
function.v = NULL;
}
}
/* if we still have memory then format the origin */
if (function.v) {
if (function_name_is_string) {
origin_len = spprintf(&origin, 0, "%v%s%s(%s)", class_name, space, function.s, params);
} else {
origin_len = spprintf(&origin, 0, "%v%s%v(%s)", class_name, space, function, params);
}
} else {
origin_len = spprintf(&origin, 0, "%s", stage);
}
if (PG(html_errors)) {
int len;
char *replace = php_escape_html_entities(origin, origin_len, &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
efree(origin);
origin = replace;
}
/* 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 && function.v) {
int doclen;
if (space[0] == '\0') {
if (function_name_is_string) {
doclen = spprintf(&docref_buf, 0, "function.%s", function.s);
} else {
doclen = spprintf(&docref_buf, 0, "function.%v", function);
}
} else {
if (function_name_is_string) {
doclen = spprintf(&docref_buf, 0, "%v.%s", class_name, function.s);
} else {
doclen = spprintf(&docref_buf, 0, "%v.%v", 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 erroes in html mode OR
* - the user wants to see the links anyway
*/
if (docref && function.v && (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);
}
efree(origin);
if (docref_buf) {
efree(docref_buf);
}
php_error(type, "%s", message);
efree(message);
if (PG(track_errors) && module_initialized && EG(active_symbol_table) &&
(!EG(user_error_handler) || !(EG(user_error_handler_error_reporting) & type))) {
zval *tmp;
ALLOC_INIT_ZVAL(tmp);
ZVAL_RT_STRINGL(tmp, buffer, buffer_len, 1);
zend_ascii_hash_update(EG(active_symbol_table), "php_errormsg", sizeof("php_errormsg"), (void **) &tmp, sizeof(zval *), NULL);
}
efree(buffer);
}
/* }}} */
/* {{{ php_error_docref0 */
/* See: CODING_STANDARDS for details. */
PHPAPI void php_error_docref0(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);
/* 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) != 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)) {
free(PG(last_error_message));
}
if (PG(last_error_file)) {
free(PG(last_error_file));
}
PG(last_error_type) = type;
PG(last_error_message) = strdup(buffer);
PG(last_error_file) = strdup(error_filename);
PG(last_error_lineno) = error_lineno;
}
/* according to error handling mode, suppress error, throw exception or show it */
if (EG(error_handling) != EH_NORMAL) {
switch (type) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
case E_PARSE:
/* fatal errors are real errors and cannot be made exceptions */
break;
case E_STRICT:
case E_DEPRECATED:
case E_USER_DEPRECATED:
/* for the sake of BC to old damaged code */
break;
case E_NOTICE:
case E_USER_NOTICE:
/* notices are no errors and are not treated as such like E_WARNINGS */
break;
default:
/* throw an exception if we are in EH_THROW mode
* but DO NOT overwrite a pending exception
*/
if (EG(error_handling) == EH_THROW && !EG(exception)) {
zend_throw_error_exception(EG(exception_class), buffer, 0, type TSRMLS_CC);
}
efree(buffer);
return;
}
}
/* 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_RECOVERABLE_ERROR:
error_type_str = "Catchable 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;
case E_STRICT:
error_type_str = "Strict Standards";
break;
case E_DEPRECATED:
case E_USER_DEPRECATED:
error_type_str = "Deprecated";
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) && PG(display_startup_errors)) {
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);