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169 lines
8.2 KiB
C
169 lines
8.2 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2008 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Jani Lehtimäki <jkl@njet.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef PHP_VAR_H
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#define PHP_VAR_H
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#include "ext/standard/php_smart_str_public.h"
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PHP_FUNCTION(var_dump);
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PHP_FUNCTION(var_inspect);
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PHP_FUNCTION(var_export);
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PHP_FUNCTION(debug_zval_dump);
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PHP_FUNCTION(serialize);
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PHP_FUNCTION(unserialize);
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PHP_FUNCTION(memory_get_usage);
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PHP_FUNCTION(memory_get_peak_usage);
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PHPAPI void php_var_dump(zval **struc, int level, int verbose TSRMLS_DC);
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PHPAPI void php_var_export(zval **struc, int level TSRMLS_DC);
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PHPAPI void php_debug_zval_dump(zval **struc, int level, int verbose TSRMLS_DC);
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/* typdef HashTable php_serialize_data_t; */
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#define php_serialize_data_t HashTable
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struct php_unserialize_data {
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void *first;
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void *first_dtor;
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};
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typedef struct php_unserialize_data php_unserialize_data_t;
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PHPAPI void php_var_serialize(smart_str *buf, zval **struc, php_serialize_data_t *var_hash TSRMLS_DC);
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PHPAPI int php_var_unserialize(zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC);
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#define PHP_VAR_SERIALIZE_INIT(var_hash) \
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zend_hash_init(&(var_hash), 10, NULL, NULL, 0)
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#define PHP_VAR_SERIALIZE_DESTROY(var_hash) \
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zend_hash_destroy(&(var_hash))
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#define PHP_VAR_UNSERIALIZE_INIT(var_hash) \
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(var_hash).first = 0; \
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(var_hash).first_dtor = 0
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#define PHP_VAR_UNSERIALIZE_DESTROY(var_hash) \
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var_destroy(&(var_hash))
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PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval);
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PHPAPI void var_destroy(php_unserialize_data_t *var_hash);
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#define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \
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var_replace((var_hash), (ozval), &(nzval))
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PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len);
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static inline int php_varname_check_string(char * name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
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{
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if (name_len == sizeof("GLOBALS")-1 && !memcmp(name, "GLOBALS", sizeof("GLOBALS")-1)) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
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}
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return FAILURE;
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} else if (name[0] == '_' &&
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(
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(name_len == sizeof("_GET")-1 && !memcmp(name, "_GET", sizeof("_GET"))) ||
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(name_len == sizeof("_POST")-1 && !memcmp(name, "_POST", sizeof("_POST"))) ||
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(name_len == sizeof("_COOKIE")-1 && !memcmp(name, "_COOKIE", sizeof("_COOKIE"))) ||
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(name_len == sizeof("_ENV")-1 && !memcmp(name, "_ENV", sizeof("_ENV"))) ||
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(name_len == sizeof("_SERVER")-1 && !memcmp(name, "_SERVER", sizeof("_SERVER"))) ||
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(name_len == sizeof("_SESSION")-1 && !memcmp(name, "_SESSION", sizeof("_SESSION"))) ||
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(name_len == sizeof("_FILES")-1 && !memcmp(name, "_FILES", sizeof("_FILES"))) ||
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(name_len == sizeof("_REQUEST")-1 && !memcmp(name, "_REQUEST", sizeof("_REQUEST")))
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)
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) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name);
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}
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return FAILURE;
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} else if (name[0] == 'H' &&
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(
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(name_len == sizeof("HTTP_POST_VARS")-1 && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS"))) ||
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(name_len == sizeof("HTTP_GET_VARS")-1 && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS"))) ||
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(name_len == sizeof("HTTP_COOKIE_VARS")-1 && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS"))) ||
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(name_len == sizeof("HTTP_ENV_VARS")-1 && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS"))) ||
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(name_len == sizeof("HTTP_SESSION_VARS")-1 && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS"))) ||
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(name_len == sizeof("HTTP_SERVER_VARS")-1 && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"))) ||
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(name_len == sizeof("HTTP_RAW_POST_DATA")-1 && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA"))) ||
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(name_len == sizeof("HTTP_POST_VARS")-1 && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES")))
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)
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) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name);
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}
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return FAILURE;
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}
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return SUCCESS;
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}
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/* }}} */
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static inline int php_varname_check_unicode(UChar *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
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{
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if (name_len == sizeof("GLOBALS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "GLOBALS", sizeof("GLOBALS")-1)) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
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}
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return FAILURE;
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} else if (name[0] == 0x5f /* '_' */ &&
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(
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(name_len == sizeof("_GET")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_GET", sizeof("_GET")-1)) ||
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(name_len == sizeof("_POST")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_POST", sizeof("_POST")-1)) ||
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(name_len == sizeof("_COOKIE")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_COOKIE", sizeof("_COOKIE")-1)) ||
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(name_len == sizeof("_ENV")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_ENV", sizeof("_ENV")-1)) ||
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(name_len == sizeof("_SERVER")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_SERVER", sizeof("_SERVER")-1)) ||
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(name_len == sizeof("_SESSION")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_SESSION", sizeof("_SESSION")-1)) ||
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(name_len == sizeof("_FILES")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_FILES", sizeof("_FILES")-1)) ||
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(name_len == sizeof("_REQUEST")-1 && !zend_cmp_unicode_and_literal(name, name_len, "_REQUEST", sizeof("_REQUEST")-1))
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)
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) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%r) variable overwrite", name);
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}
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return FAILURE;
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} else if (name[0] == 0x48 /* 'H' */ &&
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(
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(name_len == sizeof("HTTP_POST_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS")-1)) ||
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(name_len == sizeof("HTTP_GET_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS")-1)) ||
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(name_len == sizeof("HTTP_COOKIE_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS")-1)) ||
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(name_len == sizeof("HTTP_ENV_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS")-1)) ||
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(name_len == sizeof("HTTP_SESSION_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS")-1)) ||
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(name_len == sizeof("HTTP_SERVER_VARS")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS")-1)) ||
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(name_len == sizeof("HTTP_RAW_POST_DATA")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA")-1)) ||
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(name_len == sizeof("HTTP_POST_FILES")-1 && !zend_cmp_unicode_and_literal(name, name_len, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES")-1))
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)
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) {
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if (!silent) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%r) overwrite", name);
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}
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return FAILURE;
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}
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return SUCCESS;
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}
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/* }}} */
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static inline int php_varname_check(zend_uchar type, zstr name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
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{
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if (type == IS_UNICODE) {
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return php_varname_check_unicode(name.u, name_len, silent TSRMLS_CC);
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}
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return php_varname_check_string(name.s, name_len, silent TSRMLS_CC);
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}
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/* }}} */
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#endif /* PHP_VAR_H */
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