Annotation of embedaddon/php/ext/standard/php_var.h, revision 1.1.1.2
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1997-2012 The PHP Group |
6: +----------------------------------------------------------------------+
7: | This source file is subject to version 3.01 of the PHP license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.php.net/license/3_01.txt |
11: | If you did not receive a copy of the PHP license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@php.net so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
1.1.1.2 ! misho 15: | Author: Jani Lehtimäki <jkl@njet.net> |
1.1 misho 16: +----------------------------------------------------------------------+
17: */
18:
1.1.1.2 ! misho 19: /* $Id$ */
1.1 misho 20:
21: #ifndef PHP_VAR_H
22: #define PHP_VAR_H
23:
1.1.1.2 ! misho 24: #include "ext/standard/basic_functions.h"
1.1 misho 25: #include "ext/standard/php_smart_str_public.h"
26:
27: PHP_FUNCTION(var_dump);
28: PHP_FUNCTION(var_export);
29: PHP_FUNCTION(debug_zval_dump);
30: PHP_FUNCTION(serialize);
31: PHP_FUNCTION(unserialize);
32: PHP_FUNCTION(memory_get_usage);
33: PHP_FUNCTION(memory_get_peak_usage);
34:
35: PHPAPI void php_var_dump(zval **struc, int level TSRMLS_DC);
36: PHPAPI void php_var_export(zval **struc, int level TSRMLS_DC);
37: PHPAPI void php_var_export_ex(zval **struc, int level, smart_str *buf TSRMLS_DC);
38:
39: PHPAPI void php_debug_zval_dump(zval **struc, int level TSRMLS_DC);
40:
1.1.1.2 ! misho 41: typedef HashTable* php_serialize_data_t;
1.1 misho 42:
43: struct php_unserialize_data {
44: void *first;
1.1.1.2 ! misho 45: void *last;
1.1 misho 46: void *first_dtor;
1.1.1.2 ! misho 47: void *last_dtor;
1.1 misho 48: };
49:
1.1.1.2 ! misho 50: typedef struct php_unserialize_data* php_unserialize_data_t;
1.1 misho 51:
52: PHPAPI void php_var_serialize(smart_str *buf, zval **struc, php_serialize_data_t *var_hash TSRMLS_DC);
53: PHPAPI int php_var_unserialize(zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC);
54:
1.1.1.2 ! misho 55: #define PHP_VAR_SERIALIZE_INIT(var_hash_ptr) \
! 56: do { \
! 57: /* fprintf(stderr, "SERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \
! 58: if (BG(serialize_lock) || !BG(serialize).level) { \
! 59: ALLOC_HASHTABLE(var_hash_ptr); \
! 60: zend_hash_init((var_hash_ptr), 10, NULL, NULL, 0); \
! 61: if (!BG(serialize_lock)) { \
! 62: BG(serialize).var_hash = (void *)(var_hash_ptr); \
! 63: BG(serialize).level = 1; \
! 64: } \
! 65: } else { \
! 66: (var_hash_ptr) = (php_serialize_data_t)BG(serialize).var_hash; \
! 67: ++BG(serialize).level; \
! 68: } \
! 69: } while(0)
! 70:
! 71: #define PHP_VAR_SERIALIZE_DESTROY(var_hash_ptr) \
! 72: do { \
! 73: /* fprintf(stderr, "SERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \
! 74: if (BG(serialize_lock) || !BG(serialize).level) { \
! 75: zend_hash_destroy((var_hash_ptr)); \
! 76: FREE_HASHTABLE(var_hash_ptr); \
! 77: } else { \
! 78: if (!--BG(serialize).level) { \
! 79: zend_hash_destroy((php_serialize_data_t)BG(serialize).var_hash); \
! 80: FREE_HASHTABLE((php_serialize_data_t)BG(serialize).var_hash); \
! 81: BG(serialize).var_hash = NULL; \
! 82: } \
! 83: } \
! 84: } while (0)
! 85:
! 86: #define PHP_VAR_UNSERIALIZE_INIT(var_hash_ptr) \
! 87: do { \
! 88: /* fprintf(stderr, "UNSERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \
! 89: if (BG(serialize_lock) || !BG(unserialize).level) { \
! 90: (var_hash_ptr) = (php_unserialize_data_t)ecalloc(1, sizeof(struct php_unserialize_data)); \
! 91: if (!BG(serialize_lock)) { \
! 92: BG(unserialize).var_hash = (void *)(var_hash_ptr); \
! 93: BG(unserialize).level = 1; \
! 94: } \
! 95: } else { \
! 96: (var_hash_ptr) = (php_unserialize_data_t)BG(unserialize).var_hash; \
! 97: ++BG(unserialize).level; \
! 98: } \
! 99: } while (0)
! 100:
! 101: #define PHP_VAR_UNSERIALIZE_DESTROY(var_hash_ptr) \
! 102: do { \
! 103: /* fprintf(stderr, "UNSERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \
! 104: if (BG(serialize_lock) || !BG(unserialize).level) { \
! 105: var_destroy(&(var_hash_ptr)); \
! 106: efree(var_hash_ptr); \
! 107: } else { \
! 108: if (!--BG(unserialize).level) { \
! 109: var_destroy(&(var_hash_ptr)); \
! 110: efree((var_hash_ptr)); \
! 111: BG(unserialize).var_hash = NULL; \
! 112: } \
! 113: } \
! 114: } while (0)
1.1 misho 115:
116: PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval);
117: PHPAPI void var_push_dtor(php_unserialize_data_t *var_hash, zval **val);
118: PHPAPI void var_destroy(php_unserialize_data_t *var_hash);
119:
120: #define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \
121: var_replace((var_hash), (ozval), &(nzval))
122:
123: PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len);
124:
125: static inline int php_varname_check(char *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
126: {
127: if (name_len == sizeof("GLOBALS") - 1 && !memcmp(name, "GLOBALS", sizeof("GLOBALS") - 1)) {
128: if (!silent) {
129: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
130: }
131: return FAILURE;
132: } else if (name[0] == '_' &&
133: (
134: (name_len == sizeof("_GET") - 1 && !memcmp(name, "_GET", sizeof("_GET") - 1)) ||
135: (name_len == sizeof("_POST") - 1 && !memcmp(name, "_POST", sizeof("_POST") - 1)) ||
136: (name_len == sizeof("_COOKIE") - 1 && !memcmp(name, "_COOKIE", sizeof("_COOKIE") - 1)) ||
137: (name_len == sizeof("_ENV") - 1 && !memcmp(name, "_ENV", sizeof("_ENV") - 1)) ||
138: (name_len == sizeof("_SERVER") - 1 && !memcmp(name, "_SERVER", sizeof("_SERVER") - 1)) ||
139: (name_len == sizeof("_SESSION") - 1 && !memcmp(name, "_SESSION", sizeof("_SESSION") - 1)) ||
140: (name_len == sizeof("_FILES") - 1 && !memcmp(name, "_FILES", sizeof("_FILES") - 1)) ||
141: (name_len == sizeof("_REQUEST") -1 && !memcmp(name, "_REQUEST", sizeof("_REQUEST") - 1))
142: )
143: ) {
144: if (!silent) {
145: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name);
146: }
147: return FAILURE;
148: } else if (name[0] == 'H' &&
149: (
150: (name_len == sizeof("HTTP_POST_VARS") - 1 && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS") - 1)) ||
151: (name_len == sizeof("HTTP_GET_VARS") - 1 && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS") - 1)) ||
152: (name_len == sizeof("HTTP_COOKIE_VARS") - 1 && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS") - 1)) ||
153: (name_len == sizeof("HTTP_ENV_VARS") - 1 && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS") - 1)) ||
154: (name_len == sizeof("HTTP_SERVER_VARS") - 1 && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS") - 1)) ||
155: (name_len == sizeof("HTTP_SESSION_VARS") - 1 && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS") - 1)) ||
156: (name_len == sizeof("HTTP_RAW_POST_DATA") - 1 && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA") - 1)) ||
157: (name_len == sizeof("HTTP_POST_FILES") - 1 && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES") - 1))
158: )
159: ) {
160: if (!silent) {
161: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name);
162: }
163: return FAILURE;
164: }
165: return SUCCESS;
166: }
167: /* }}} */
168:
169: #endif /* PHP_VAR_H */
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