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/*
+----------------------------------------------------------------------+
| See COPYING file for further copyright information |
+----------------------------------------------------------------------+
| Author: Oleg Grenrus <oleg.grenrus@dynamoid.com> |
| See CREDITS for contributors |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef PHP_WIN32
# include "ig_win32.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "zend_dynamic_array.h"
#include "zend_alloc.h"
#include "ext/standard/info.h"
#include "ext/standard/php_var.h"
#if HAVE_PHP_SESSION
# include "ext/session/php_session.h"
#endif /* HAVE_PHP_SESSION */
#include "ext/standard/php_incomplete_class.h"
#if defined(HAVE_APCU_SUPPORT)
# include "ext/apcu/apc_serializer.h"
#elif defined(HAVE_APC_SUPPORT)
# if USE_BUNDLED_APC
# include "apc_serializer.h"
# else
# include "ext/apc/apc_serializer.h"
# endif
#endif /* HAVE_APCU_SUPPORT || HAVE_APC_SUPPORT */
#include "php_igbinary.h"
#include "igbinary.h"
#include <assert.h>
#ifndef PHP_WIN32
# include <inttypes.h>
# include <stdbool.h>
# include <stdint.h>
#endif
#include <stddef.h>
#include "hash.h"
#if HAVE_PHP_SESSION
/** Session serializer function prototypes. */
PS_SERIALIZER_FUNCS(igbinary);
#endif /* HAVE_PHP_SESSION */
#if defined(HAVE_APC_SUPPORT) || defined(HAVE_APCU_SUPPORT)
/** Apc serializer function prototypes */
static int APC_SERIALIZER_NAME(igbinary) (APC_SERIALIZER_ARGS);
static int APC_UNSERIALIZER_NAME(igbinary) (APC_UNSERIALIZER_ARGS);
#endif
/* {{{ Types */
enum igbinary_type {
/* 00 */ igbinary_type_null, /**< Null. */
/* 01 */ igbinary_type_ref8, /**< Array reference. */
/* 02 */ igbinary_type_ref16, /**< Array reference. */
/* 03 */ igbinary_type_ref32, /**< Array reference. */
/* 04 */ igbinary_type_bool_false, /**< Boolean true. */
/* 05 */ igbinary_type_bool_true, /**< Boolean false. */
/* 06 */ igbinary_type_long8p, /**< Long 8bit positive. */
/* 07 */ igbinary_type_long8n, /**< Long 8bit negative. */
/* 08 */ igbinary_type_long16p, /**< Long 16bit positive. */
/* 09 */ igbinary_type_long16n, /**< Long 16bit negative. */
/* 0a */ igbinary_type_long32p, /**< Long 32bit positive. */
/* 0b */ igbinary_type_long32n, /**< Long 32bit negative. */
/* 0c */ igbinary_type_double, /**< Double. */
/* 0d */ igbinary_type_string_empty, /**< Empty string. */
/* 0e */ igbinary_type_string_id8, /**< String id. */
/* 0f */ igbinary_type_string_id16, /**< String id. */
/* 10 */ igbinary_type_string_id32, /**< String id. */
/* 11 */ igbinary_type_string8, /**< String. */
/* 12 */ igbinary_type_string16, /**< String. */
/* 13 */ igbinary_type_string32, /**< String. */
/* 14 */ igbinary_type_array8, /**< Array. */
/* 15 */ igbinary_type_array16, /**< Array. */
/* 16 */ igbinary_type_array32, /**< Array. */
/* 17 */ igbinary_type_object8, /**< Object. */
/* 18 */ igbinary_type_object16, /**< Object. */
/* 19 */ igbinary_type_object32, /**< Object. */
/* 1a */ igbinary_type_object_id8, /**< Object string id. */
/* 1b */ igbinary_type_object_id16, /**< Object string id. */
/* 1c */ igbinary_type_object_id32, /**< Object string id. */
/* 1d */ igbinary_type_object_ser8, /**< Object serialized data. */
/* 1e */ igbinary_type_object_ser16, /**< Object serialized data. */
/* 1f */ igbinary_type_object_ser32, /**< Object serialized data. */
/* 20 */ igbinary_type_long64p, /**< Long 64bit positive. */
/* 21 */ igbinary_type_long64n, /**< Long 64bit negative. */
/* 22 */ igbinary_type_objref8, /**< Object reference. */
/* 23 */ igbinary_type_objref16, /**< Object reference. */
/* 24 */ igbinary_type_objref32, /**< Object reference. */
/* 25 */ igbinary_type_ref, /**< Simple reference */
};
/** Serializer data.
* @author Oleg Grenrus <oleg.grenrus@dynamoid.com>
*/
struct igbinary_serialize_data {
uint8_t *buffer; /**< Buffer. */
size_t buffer_size; /**< Buffer size. */
size_t buffer_capacity; /**< Buffer capacity. */
bool scalar; /**< Serializing scalar. */
bool compact_strings; /**< Check for duplicate strings. */
struct hash_si strings; /**< Hash of already serialized strings. */
struct hash_si objects; /**< Hash of already serialized objects. */
int string_count; /**< Serialized string count, used for back referencing */
int error; /**< Error number. Not used. */
struct igbinary_memory_manager mm; /**< Memory management functions. */
};
/** String/len pair for the igbinary_unserializer_data.
* @author Oleg Grenrus <oleg.grenrus@dynamoid.com>
* @see igbinary_unserialize_data.
*/
struct igbinary_unserialize_string_pair {
char *data; /**< Data. */
size_t len; /**< Data length. */
};
/** Unserializer data.
* @author Oleg Grenrus <oleg.grenrus@dynamoid.com>
*/
struct igbinary_unserialize_data {
uint8_t *buffer; /**< Buffer. */
size_t buffer_size; /**< Buffer size. */
size_t buffer_offset; /**< Current read offset. */
struct igbinary_unserialize_string_pair *strings; /**< Unserialized strings. */
size_t strings_count; /**< Unserialized string count. */
size_t strings_capacity; /**< Unserialized string array capacity. */
void **references; /**< Unserialized Arrays/Objects. */
size_t references_count; /**< Unserialized array/objects count. */
size_t references_capacity; /**< Unserialized array/object array capacity. */
int error; /**< Error number. Not used. */
smart_str string0_buf; /**< Temporary buffer for strings */
};
/* }}} */
/* {{{ Memory allocator wrapper prototypes */
static inline void *igbinary_mm_wrapper_malloc(size_t size, void *context);
static inline void *igbinary_mm_wrapper_realloc(void *ptr, size_t size, void *context);
static inline void igbinary_mm_wrapper_free(void *ptr, void *context);
/* }}} */
/* {{{ Serializing functions prototypes */
inline static int igbinary_serialize_data_init(struct igbinary_serialize_data *igsd, bool scalar, struct igbinary_memory_manager *memory_manager TSRMLS_DC);
inline static void igbinary_serialize_data_deinit(struct igbinary_serialize_data *igsd, int free_buffer TSRMLS_DC);
inline static int igbinary_serialize_header(struct igbinary_serialize_data *igsd TSRMLS_DC);
inline static int igbinary_serialize8(struct igbinary_serialize_data *igsd, uint8_t i TSRMLS_DC);
inline static int igbinary_serialize16(struct igbinary_serialize_data *igsd, uint16_t i TSRMLS_DC);
inline static int igbinary_serialize32(struct igbinary_serialize_data *igsd, uint32_t i TSRMLS_DC);
inline static int igbinary_serialize64(struct igbinary_serialize_data *igsd, uint64_t i TSRMLS_DC);
inline static int igbinary_serialize_null(struct igbinary_serialize_data *igsd TSRMLS_DC);
inline static int igbinary_serialize_bool(struct igbinary_serialize_data *igsd, int b TSRMLS_DC);
inline static int igbinary_serialize_long(struct igbinary_serialize_data *igsd, long l TSRMLS_DC);
inline static int igbinary_serialize_double(struct igbinary_serialize_data *igsd, double d TSRMLS_DC);
inline static int igbinary_serialize_string(struct igbinary_serialize_data *igsd, char *s, size_t len TSRMLS_DC);
inline static int igbinary_serialize_chararray(struct igbinary_serialize_data *igsd, const char *s, size_t len TSRMLS_DC);
inline static int igbinary_serialize_array(struct igbinary_serialize_data *igsd, zval *z, bool object, bool incomplete_class TSRMLS_DC);
inline static int igbinary_serialize_array_ref(struct igbinary_serialize_data *igsd, zval *z, bool object TSRMLS_DC);
inline static int igbinary_serialize_array_sleep(struct igbinary_serialize_data *igsd, zval *z, HashTable *ht, zend_class_entry *ce, bool incomplete_class TSRMLS_DC);
inline static int igbinary_serialize_object_name(struct igbinary_serialize_data *igsd, const char *name, size_t name_len TSRMLS_DC);
inline static int igbinary_serialize_object(struct igbinary_serialize_data *igsd, zval *z TSRMLS_DC);
static int igbinary_serialize_zval(struct igbinary_serialize_data *igsd, zval *z TSRMLS_DC);
/* }}} */
/* {{{ Unserializing functions prototypes */
inline static int igbinary_unserialize_data_init(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static void igbinary_unserialize_data_deinit(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static int igbinary_unserialize_header(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static uint8_t igbinary_unserialize8(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static uint16_t igbinary_unserialize16(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static uint32_t igbinary_unserialize32(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static uint64_t igbinary_unserialize64(struct igbinary_unserialize_data *igsd TSRMLS_DC);
inline static int igbinary_unserialize_long(struct igbinary_unserialize_data *igsd, enum igbinary_type t, long *ret TSRMLS_DC);
inline static int igbinary_unserialize_double(struct igbinary_unserialize_data *igsd, enum igbinary_type t, double *ret TSRMLS_DC);
inline static int igbinary_unserialize_string(struct igbinary_unserialize_data *igsd, enum igbinary_type t, char **s, size_t *len TSRMLS_DC);
inline static int igbinary_unserialize_chararray(struct igbinary_unserialize_data *igsd, enum igbinary_type t, char **s, size_t *len TSRMLS_DC);
inline static int igbinary_unserialize_array(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z, int object TSRMLS_DC);
inline static int igbinary_unserialize_object(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z TSRMLS_DC);
inline static int igbinary_unserialize_object_ser(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z, zend_class_entry *ce TSRMLS_DC);
inline static int igbinary_unserialize_ref(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z TSRMLS_DC);
static int igbinary_unserialize_zval(struct igbinary_unserialize_data *igsd, zval **z TSRMLS_DC);
/* }}} */
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_igbinary_serialize, 0, 0, 1)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_igbinary_unserialize, 0, 0, 1)
ZEND_ARG_INFO(0, str)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ igbinary_functions[] */
/** Exported php functions. */
zend_function_entry igbinary_functions[] = {
PHP_FE(igbinary_serialize, arginfo_igbinary_serialize)
PHP_FE(igbinary_unserialize, arginfo_igbinary_unserialize)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ igbinary dependencies */
#if ZEND_MODULE_API_NO >= 20050922
static const zend_module_dep igbinary_module_deps[] = {
ZEND_MOD_REQUIRED("standard")
#ifdef HAVE_PHP_SESSION
ZEND_MOD_REQUIRED("session")
#endif
#if defined(HAVE_APCU_SUPPORT)
ZEND_MOD_OPTIONAL("apcu")
#elif defined(HAVE_APC_SUPPORT)
ZEND_MOD_OPTIONAL("apc")
#endif
{NULL, NULL, NULL}
};
#endif
/* }}} */
/* {{{ igbinary_module_entry */
zend_module_entry igbinary_module_entry = {
#if ZEND_MODULE_API_NO >= 20050922
STANDARD_MODULE_HEADER_EX, NULL,
igbinary_module_deps,
#elif ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"igbinary",
igbinary_functions,
PHP_MINIT(igbinary),
PHP_MSHUTDOWN(igbinary),
NULL,
NULL,
PHP_MINFO(igbinary),
#if ZEND_MODULE_API_NO >= 20010901
PHP_IGBINARY_VERSION, /* Replace with version number for your extension */
#endif
STANDARD_MODULE_PROPERTIES
};
/* }}} */
ZEND_DECLARE_MODULE_GLOBALS(igbinary)
/* {{{ ZEND_GET_MODULE */
#ifdef COMPILE_DL_IGBINARY
ZEND_GET_MODULE(igbinary)
#endif
/* }}} */
/* {{{ INI entries */
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("igbinary.compact_strings", "1", PHP_INI_ALL, OnUpdateBool, compact_strings, zend_igbinary_globals, igbinary_globals)
PHP_INI_END()
/* }}} */
/* {{{ php_igbinary_init_globals */
static void php_igbinary_init_globals(zend_igbinary_globals *igbinary_globals) {
igbinary_globals->compact_strings = 1;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(igbinary) {
(void) type;
(void) module_number;
ZEND_INIT_MODULE_GLOBALS(igbinary, php_igbinary_init_globals, NULL);
#if HAVE_PHP_SESSION
php_session_register_serializer("igbinary",
PS_SERIALIZER_ENCODE_NAME(igbinary),
PS_SERIALIZER_DECODE_NAME(igbinary));
#endif
#if defined(HAVE_APC_SUPPORT) || defined(HAVE_APCU_SUPPORT)
apc_register_serializer("igbinary",
APC_SERIALIZER_NAME(igbinary),
APC_UNSERIALIZER_NAME(igbinary),
NULL TSRMLS_CC);
#endif
REGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(igbinary) {
(void) type;
(void) module_number;
#ifdef ZTS
ts_free_id(igbinary_globals_id);
#endif
/*
* unregister serializer?
*/
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(igbinary) {
(void) zend_module;
php_info_print_table_start();
php_info_print_table_row(2, "igbinary support", "enabled");
php_info_print_table_row(2, "igbinary version", PHP_IGBINARY_VERSION);
#if defined(HAVE_APCU_SUPPORT)
php_info_print_table_row(2, "igbinary APCU serializer ABI", APC_SERIALIZER_ABI);
#elif defined(HAVE_APC_SUPPORT)
php_info_print_table_row(2, "igbinary APC serializer ABI", APC_SERIALIZER_ABI);
#else
php_info_print_table_row(2, "igbinary APC serializer ABI", "no");
#endif
#if HAVE_PHP_SESSION
php_info_print_table_row(2, "igbinary session support", "yes");
#else
php_info_print_table_row(2, "igbinary session support", "no");
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ Memory allocator wrappers */
static inline void *igbinary_mm_wrapper_malloc(size_t size, void *context)
{
return emalloc(size);
}
static inline void *igbinary_mm_wrapper_realloc(void *ptr, size_t size, void *context)
{
return erealloc(ptr, size);
}
static inline void igbinary_mm_wrapper_free(void *ptr, void *context)
{
return efree(ptr);
}
/* }}} */
/* {{{ int igbinary_serialize(uint8_t**, size_t*, zval*) */
IGBINARY_API int igbinary_serialize(uint8_t **ret, size_t *ret_len, zval *z TSRMLS_DC) {
return igbinary_serialize_ex(ret, ret_len, z, NULL TSRMLS_CC);
}
/* }}} */
/* {{{ int igbinary_serialize_ex(uint8_t**, size_t*, zval*, igbinary_memory_manager*) */
IGBINARY_API int igbinary_serialize_ex(uint8_t **ret, size_t *ret_len, zval *z, struct igbinary_memory_manager *memory_manager TSRMLS_DC) {
struct igbinary_serialize_data igsd;
uint8_t *tmpbuf;
if (igbinary_serialize_data_init(&igsd, Z_TYPE_P(z) != IS_OBJECT && Z_TYPE_P(z) != IS_ARRAY, memory_manager TSRMLS_CC)) {
zend_error(E_WARNING, "igbinary_serialize: cannot init igsd");
return 1;
}
if (igbinary_serialize_header(&igsd TSRMLS_CC) != 0) {
zend_error(E_WARNING, "igbinary_serialize: cannot write header");
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return 1;
}
if (igbinary_serialize_zval(&igsd, z TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return 1;
}
/* Explicit nul termination */
if (igbinary_serialize8(&igsd, 0 TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return 1;
}
/* shrink buffer to the real length, ignore errors */
tmpbuf = (uint8_t *) igsd.mm.realloc(igsd.buffer, igsd.buffer_size, igsd.mm.context);
if (tmpbuf != NULL) {
igsd.buffer = tmpbuf;
}
/* Set return values */
*ret_len = igsd.buffer_size - 1;
*ret = igsd.buffer;
igbinary_serialize_data_deinit(&igsd, 0 TSRMLS_CC);
return 0;
}
/* }}} */
/* {{{ int igbinary_unserialize(const uint8_t *, size_t, zval **) */
IGBINARY_API int igbinary_unserialize(const uint8_t *buf, size_t buf_len, zval **z TSRMLS_DC) {
struct igbinary_unserialize_data igsd;
igbinary_unserialize_data_init(&igsd TSRMLS_CC);
igsd.buffer = (uint8_t *) buf;
igsd.buffer_size = buf_len;
if (igbinary_unserialize_header(&igsd TSRMLS_CC)) {
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
return 1;
}
if (igbinary_unserialize_zval(&igsd, z TSRMLS_CC)) {
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
return 1;
}
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
return 0;
}
/* }}} */
/* {{{ proto string igbinary_unserialize(mixed value) */
PHP_FUNCTION(igbinary_unserialize) {
char *string;
int string_len;
(void) return_value_ptr;
(void) this_ptr;
(void) return_value_used;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &string, &string_len) == FAILURE) {
RETURN_NULL();
}
if (string_len <= 0) {
RETURN_FALSE;
}
if (igbinary_unserialize((uint8_t *) string, string_len, &return_value TSRMLS_CC) != 0) {
RETURN_NULL();
}
}
/* }}} */
/* {{{ proto mixed igbinary_serialize(string value) */
PHP_FUNCTION(igbinary_serialize) {
zval *z;
uint8_t *string;
size_t string_len;
(void) return_value_ptr;
(void) this_ptr;
(void) return_value_used;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &z) == FAILURE) {
RETURN_NULL();
}
if (igbinary_serialize(&string, &string_len, z TSRMLS_CC) != 0) {
RETURN_NULL();
}
RETVAL_STRINGL((char *)string, string_len, 0);
}
/* }}} */
#ifdef HAVE_PHP_SESSION
/* {{{ Serializer encode function */
PS_SERIALIZER_ENCODE_FUNC(igbinary)
{
struct igbinary_serialize_data igsd;
uint8_t *tmpbuf;
if (igbinary_serialize_data_init(&igsd, false, NULL TSRMLS_CC)) {
zend_error(E_WARNING, "igbinary_serialize: cannot init igsd");
return FAILURE;
}
if (igbinary_serialize_header(&igsd TSRMLS_CC) != 0) {
zend_error(E_WARNING, "igbinary_serialize: cannot write header");
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return FAILURE;
}
if (igbinary_serialize_array(&igsd, PS(http_session_vars), false, false TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return FAILURE;
}
if (igbinary_serialize8(&igsd, 0 TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd, 1 TSRMLS_CC);
return FAILURE;
}
/* shrink buffer to the real length, ignore errors */
tmpbuf = (uint8_t *)igsd.mm.realloc(igsd.buffer, igsd.buffer_size, igsd.mm.context);
if (tmpbuf != NULL) {
igsd.buffer = tmpbuf;
}
*newstr = (char *)igsd.buffer;
if (newlen) {
*newlen = igsd.buffer_size - 1;
}
igbinary_serialize_data_deinit(&igsd, 0 TSRMLS_CC);
return SUCCESS;
}
/* }}} */
/* {{{ Serializer decode function */
PS_SERIALIZER_DECODE_FUNC(igbinary) {
HashPosition tmp_hash_pos;
HashTable *tmp_hash;
char *key_str;
ulong key_long;
int tmp_int;
uint key_len;
zval *z;
zval **d;
struct igbinary_unserialize_data igsd;
if (!val || vallen==0)
return SUCCESS;
if (igbinary_unserialize_data_init(&igsd TSRMLS_CC) != 0) {
return FAILURE;
}
igsd.buffer = (uint8_t *)val;
igsd.buffer_size = vallen;
if (igbinary_unserialize_header(&igsd TSRMLS_CC)) {
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
return FAILURE;
}
ALLOC_INIT_ZVAL(z);
if (igbinary_unserialize_zval(&igsd, &z TSRMLS_CC)) {
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
zval_dtor(z);
FREE_ZVAL(z);
return FAILURE;
}
igbinary_unserialize_data_deinit(&igsd TSRMLS_CC);
tmp_hash = HASH_OF(z);
zend_hash_internal_pointer_reset_ex(tmp_hash, &tmp_hash_pos);
while (zend_hash_get_current_data_ex(tmp_hash, (void *) &d, &tmp_hash_pos) == SUCCESS) {
tmp_int = zend_hash_get_current_key_ex(tmp_hash, &key_str, &key_len, &key_long, 0, &tmp_hash_pos);
switch (tmp_int) {
case HASH_KEY_IS_LONG:
/* ??? */
break;
case HASH_KEY_IS_STRING:
php_set_session_var(key_str, key_len-1, *d, NULL TSRMLS_CC);
php_add_session_var(key_str, key_len-1 TSRMLS_CC);
break;
}
zend_hash_move_forward_ex(tmp_hash, &tmp_hash_pos);
}
zval_dtor(z);
FREE_ZVAL(z);
return SUCCESS;
}
/* }}} */
#endif /* HAVE_PHP_SESSION */
#if defined(HAVE_APC_SUPPORT) || defined(HAVE_APCU_SUPPORT)
/* {{{ apc_serialize function */
static int APC_SERIALIZER_NAME(igbinary) ( APC_SERIALIZER_ARGS ) {
(void)config;
if (igbinary_serialize(buf, buf_len, (zval *)value TSRMLS_CC) == 0) {
/* flipped semantics */
return 1;
}
return 0;
}
/* }}} */
/* {{{ apc_unserialize function */
static int APC_UNSERIALIZER_NAME(igbinary) ( APC_UNSERIALIZER_ARGS ) {
(void)config;
if (igbinary_unserialize(buf, buf_len, value TSRMLS_CC) == 0) {
/* flipped semantics */
return 1;
}
zval_dtor(*value);
(*value)->type = IS_NULL;
return 0;
}
/* }}} */
#endif
/* {{{ igbinary_serialize_data_init */
/** Inits igbinary_serialize_data. */
inline static int igbinary_serialize_data_init(struct igbinary_serialize_data *igsd, bool scalar, struct igbinary_memory_manager *memory_manager TSRMLS_DC) {
int r = 0;
if (memory_manager == NULL) {
igsd->mm.alloc = igbinary_mm_wrapper_malloc;
igsd->mm.realloc = igbinary_mm_wrapper_realloc;
igsd->mm.free = igbinary_mm_wrapper_free;
igsd->mm.context = NULL;
} else {
igsd->mm = *memory_manager;
}
igsd->buffer = NULL;
igsd->buffer_size = 0;
igsd->buffer_capacity = 32;
igsd->string_count = 0;
igsd->error = 0;
igsd->buffer = (uint8_t *) igsd->mm.alloc(igsd->buffer_capacity, igsd->mm.context);
if (igsd->buffer == NULL) {
return 1;
}
igsd->scalar = scalar;
if (!igsd->scalar) {
hash_si_init(&igsd->strings, 16);
hash_si_init(&igsd->objects, 16);
}
igsd->compact_strings = (bool)IGBINARY_G(compact_strings);
return r;
}
/* }}} */
/* {{{ igbinary_serialize_data_deinit */
/** Deinits igbinary_serialize_data. */
inline static void igbinary_serialize_data_deinit(struct igbinary_serialize_data *igsd, int free_buffer TSRMLS_DC) {
if (free_buffer && igsd->buffer) {
igsd->mm.free(igsd->buffer, igsd->mm.context);
}
if (!igsd->scalar) {
hash_si_deinit(&igsd->strings);
hash_si_deinit(&igsd->objects);
}
}
/* }}} */
/* {{{ igbinary_serialize_header */
/** Serializes header. */
inline static int igbinary_serialize_header(struct igbinary_serialize_data *igsd TSRMLS_DC) {
return igbinary_serialize32(igsd, IGBINARY_FORMAT_VERSION TSRMLS_CC); /* version */
}
/* }}} */
/* {{{ igbinary_serialize_resize */
/** Expands igbinary_serialize_data. */
inline static int igbinary_serialize_resize(struct igbinary_serialize_data *igsd, size_t size TSRMLS_DC) {
if (igsd->buffer_size + size < igsd->buffer_capacity) {
return 0;
}
while (igsd->buffer_size + size >= igsd->buffer_capacity) {
igsd->buffer_capacity *= 2;
}
igsd->buffer = (uint8_t *) igsd->mm.realloc(igsd->buffer, igsd->buffer_capacity, igsd->mm.context);
if (igsd->buffer == NULL)
return 1;
return 0;
}
/* }}} */
/* {{{ igbinary_serialize8 */
/** Serialize 8bit value. */
inline static int igbinary_serialize8(struct igbinary_serialize_data *igsd, uint8_t i TSRMLS_DC) {
if (igbinary_serialize_resize(igsd, 1 TSRMLS_CC)) {
return 1;
}
igsd->buffer[igsd->buffer_size++] = i;
return 0;
}
/* }}} */
/* {{{ igbinary_serialize16 */
/** Serialize 16bit value. */
inline static int igbinary_serialize16(struct igbinary_serialize_data *igsd, uint16_t i TSRMLS_DC) {
if (igbinary_serialize_resize(igsd, 2 TSRMLS_CC)) {
return 1;
}
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 8 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i & 0xff);
return 0;
}
/* }}} */
/* {{{ igbinary_serialize32 */
/** Serialize 32bit value. */
inline static int igbinary_serialize32(struct igbinary_serialize_data *igsd, uint32_t i TSRMLS_DC) {
if (igbinary_serialize_resize(igsd, 4 TSRMLS_CC)) {
return 1;
}
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 24 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 16 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 8 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i & 0xff);
return 0;
}
/* }}} */
/* {{{ igbinary_serialize64 */
/** Serialize 64bit value. */
inline static int igbinary_serialize64(struct igbinary_serialize_data *igsd, uint64_t i TSRMLS_DC) {
if (igbinary_serialize_resize(igsd, 8 TSRMLS_CC)) {
return 1;
}
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 56 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 48 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 40 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 32 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 24 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 16 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i >> 8 & 0xff);
igsd->buffer[igsd->buffer_size++] = (uint8_t) (i & 0xff);
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_null */
/** Serializes null. */
inline static int igbinary_serialize_null(struct igbinary_serialize_data *igsd TSRMLS_DC) {
return igbinary_serialize8(igsd, igbinary_type_null TSRMLS_CC);
}
/* }}} */
/* {{{ igbinary_serialize_bool */
/** Serializes bool. */
inline static int igbinary_serialize_bool(struct igbinary_serialize_data *igsd, int b TSRMLS_DC) {
return igbinary_serialize8(igsd, (uint8_t) (b ? igbinary_type_bool_true : igbinary_type_bool_false) TSRMLS_CC);
}
/* }}} */
/* {{{ igbinary_serialize_long */
/** Serializes long. */
inline static int igbinary_serialize_long(struct igbinary_serialize_data *igsd, long l TSRMLS_DC) {
long k = l >= 0 ? l : -l;
bool p = l >= 0 ? true : false;
/* -LONG_MIN is 0 otherwise. */
if (l == LONG_MIN) {
#if SIZEOF_LONG == 8
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_long64n TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize64(igsd, (uint64_t) 0x8000000000000000 TSRMLS_CC) != 0) {
return 1;
}
#elif SIZEOF_LONG == 4
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_long32n TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) 0x80000000 TSRMLS_CC) != 0) {
return 1;
}
#else
#error "Strange sizeof(long)."
#endif
return 0;
}
if (k <= 0xff) {
if (igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long8p : igbinary_type_long8n) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) k TSRMLS_CC) != 0) {
return 1;
}
} else if (k <= 0xffff) {
if (igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long16p : igbinary_type_long16n) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) k TSRMLS_CC) != 0) {
return 1;
}
#if SIZEOF_LONG == 8
} else if (k <= 0xffffffff) {
if (igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long32p : igbinary_type_long32n) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) k TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long64p : igbinary_type_long64n) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize64(igsd, (uint64_t) k TSRMLS_CC) != 0) {
return 1;
}
}
#elif SIZEOF_LONG == 4
} else {
if (igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long32p : igbinary_type_long32n) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) k TSRMLS_CC) != 0) {
return 1;
}
}
#else
#error "Strange sizeof(long)."
#endif
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_double */
/** Serializes double. */
inline static int igbinary_serialize_double(struct igbinary_serialize_data *igsd, double d TSRMLS_DC) {
union {
double d;
uint64_t u;
} u;
if (igbinary_serialize8(igsd, igbinary_type_double TSRMLS_CC) != 0) {
return 1;
}
u.d = d;
return igbinary_serialize64(igsd, u.u TSRMLS_CC);
}
/* }}} */
/* {{{ igbinary_serialize_string */
/** Serializes string.
* Serializes each string once, after first time uses pointers.
*/
inline static int igbinary_serialize_string(struct igbinary_serialize_data *igsd, char *s, size_t len TSRMLS_DC) {
uint32_t t;
uint32_t *i = &t;
if (len == 0) {
if (igbinary_serialize8(igsd, igbinary_type_string_empty TSRMLS_CC) != 0) {
return 1;
}
return 0;
}
if (igsd->scalar || !igsd->compact_strings || hash_si_find(&igsd->strings, s, len, i) == 1) {
if (!igsd->scalar && igsd->compact_strings) {
hash_si_insert(&igsd->strings, s, len, igsd->string_count);
}
igsd->string_count += 1;
if (igbinary_serialize_chararray(igsd, s, len TSRMLS_CC) != 0) {
return 1;
}
} else {
if (*i <= 0xff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else if (*i <= 0xffff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) *i TSRMLS_CC) != 0) {
return 1;
}
}
}
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_chararray */
/** Serializes string data. */
inline static int igbinary_serialize_chararray(struct igbinary_serialize_data *igsd, const char *s, size_t len TSRMLS_DC) {
if (len <= 0xff) {
if (igbinary_serialize8(igsd, igbinary_type_string8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, len TSRMLS_CC) != 0) {
return 1;
}
} else if (len <= 0xffff) {
if (igbinary_serialize8(igsd, igbinary_type_string16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, len TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, igbinary_type_string32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, len TSRMLS_CC) != 0) {
return 1;
}
}
if (igbinary_serialize_resize(igsd, len TSRMLS_CC)) {
return 1;
}
memcpy(igsd->buffer+igsd->buffer_size, s, len);
igsd->buffer_size += len;
return 0;
}
/* }}} */
/* {{{ igbinay_serialize_array */
/** Serializes array or objects inner properties. */
inline static int igbinary_serialize_array(struct igbinary_serialize_data *igsd, zval *z, bool object, bool incomplete_class TSRMLS_DC) {
HashTable *h;
HashPosition pos;
size_t n;
zval **d;
char *key;
uint key_len;
int key_type;
ulong key_index;
/* hash */
h = object ? Z_OBJPROP_P(z) : HASH_OF(z);
/* hash size */
n = h ? zend_hash_num_elements(h) : 0;
/* incomplete class magic member */
if (n > 0 && incomplete_class) {
--n;
}
if (!object && igbinary_serialize_array_ref(igsd, z, object TSRMLS_CC) == 0) {
return 0;
}
if (n <= 0xff) {
if (igbinary_serialize8(igsd, igbinary_type_array8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, n TSRMLS_CC) != 0) {
return 1;
}
} else if (n <= 0xffff) {
if (igbinary_serialize8(igsd, igbinary_type_array16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, n TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, igbinary_type_array32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, n TSRMLS_CC) != 0) {
return 1;
}
}
if (n == 0) {
return 0;
}
/* serialize properties. */
zend_hash_internal_pointer_reset_ex(h, &pos);
for (;; zend_hash_move_forward_ex(h, &pos)) {
key_type = zend_hash_get_current_key_ex(h, &key, &key_len, &key_index, 0, &pos);
/* last */
if (key_type == HASH_KEY_NON_EXISTANT) {
break;
}
/* skip magic member in incomplete classes */
if (incomplete_class && strcmp(key, MAGIC_MEMBER) == 0) {
continue;
}
switch (key_type) {
case HASH_KEY_IS_LONG:
if (igbinary_serialize_long(igsd, key_index TSRMLS_CC) != 0) {
return 1;
}
break;
case HASH_KEY_IS_STRING:
if (igbinary_serialize_string(igsd, key, key_len-1 TSRMLS_CC) != 0) {
return 1;
}
break;
default:
zend_error(E_ERROR, "igbinary_serialize_array: key is not string nor array");
/* not reached */
return 1;
}
/* we should still add element even if it's not OK,
* since we already wrote the length of the array before */
if (zend_hash_get_current_data_ex(h, (void *) &d, &pos) != SUCCESS || d == NULL) {
if (igbinary_serialize_null(igsd TSRMLS_CC)) {
return 1;
}
} else {
if (igbinary_serialize_zval(igsd, *d TSRMLS_CC)) {
return 1;
}
}
}
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_array_ref */
/** Serializes array reference. */
inline static int igbinary_serialize_array_ref(struct igbinary_serialize_data *igsd, zval *z, bool object TSRMLS_DC) {
uint32_t t = 0;
uint32_t *i = &t;
union {
zval *z;
struct {
zend_class_entry *ce;
zend_object_handle handle;
} obj;
} key = { 0 };
if (object && Z_TYPE_P(z) == IS_OBJECT && Z_OBJ_HT_P(z)->get_class_entry) {
key.obj.ce = Z_OBJCE_P(z);
key.obj.handle = Z_OBJ_HANDLE_P(z);
} else {
key.z = z;
}
if (hash_si_find(&igsd->objects, (char *)&key, sizeof(key), i) == 1) {
t = hash_si_size(&igsd->objects);
hash_si_insert(&igsd->objects, (char *)&key, sizeof(key), t);
return 1;
} else {
enum igbinary_type type;
if (*i <= 0xff) {
type = object ? igbinary_type_objref8 : igbinary_type_ref8;
if (igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else if (*i <= 0xffff) {
type = object ? igbinary_type_objref16 : igbinary_type_ref16;
if (igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else {
type = object ? igbinary_type_objref32 : igbinary_type_ref32;
if (igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) *i TSRMLS_CC) != 0) {
return 1;
}
}
return 0;
}
return 1;
}
/* }}} */
/* {{{ igbinary_serialize_array_sleep */
/** Serializes object's properties array with __sleep -function. */
inline static int igbinary_serialize_array_sleep(struct igbinary_serialize_data *igsd, zval *z, HashTable *h, zend_class_entry *ce, bool incomplete_class TSRMLS_DC) {
HashPosition pos;
size_t n = zend_hash_num_elements(h);
zval **d;
zval **v;
char *key;
uint key_len;
int key_type;
ulong key_index;
/* Decrease array size by one, because of magic member (with class name) */
if (n > 0 && incomplete_class) {
--n;
}
/* Serialize array id. */
if (n <= 0xff) {
if (igbinary_serialize8(igsd, igbinary_type_array8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, n TSRMLS_CC) != 0) {
return 1;
}
} else if (n <= 0xffff) {
if (igbinary_serialize8(igsd, igbinary_type_array16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, n TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, igbinary_type_array32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, n TSRMLS_CC) != 0) {
return 1;
}
}
if (n == 0) {
return 0;
}
zend_hash_internal_pointer_reset_ex(h, &pos);
for (;; zend_hash_move_forward_ex(h, &pos)) {
key_type = zend_hash_get_current_key_ex(h, &key, &key_len, &key_index, 0, &pos);
/* last */
if (key_type == HASH_KEY_NON_EXISTANT) {
break;
}
/* skip magic member in incomplete classes */
if (incomplete_class && strcmp(key, MAGIC_MEMBER) == 0) {
continue;
}
if (zend_hash_get_current_data_ex(h, (void *) &d, &pos) != SUCCESS || d == NULL || Z_TYPE_PP(d) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "__sleep should return an array only "
"containing the names of instance-variables to "
"serialize");
/* we should still add element even if it's not OK,
* since we already wrote the length of the array before
* serialize null as key-value pair */
if (igbinary_serialize_null(igsd TSRMLS_CC) != 0) {
return 1;
}
} else {
if (zend_hash_find(Z_OBJPROP_P(z), Z_STRVAL_PP(d), Z_STRLEN_PP(d) + 1, (void *) &v) == SUCCESS) {
if (igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize_zval(igsd, *v TSRMLS_CC) != 0) {
return 1;
}
} else if (ce) {
char *prot_name = NULL;
char *priv_name = NULL;
int prop_name_length;
do {
/* try private */
zend_mangle_property_name(&priv_name, &prop_name_length, ce->name, ce->name_length,
Z_STRVAL_PP(d), Z_STRLEN_PP(d), ce->type & ZEND_INTERNAL_CLASS);
if (zend_hash_find(Z_OBJPROP_P(z), priv_name, prop_name_length+1, (void *) &v) == SUCCESS) {
if (igbinary_serialize_string(igsd, priv_name, prop_name_length TSRMLS_CC) != 0) {
efree(priv_name);
return 1;
}
efree(priv_name);
if (igbinary_serialize_zval(igsd, *v TSRMLS_CC) != 0) {
return 1;
}
break;
}
efree(priv_name);
/* try protected */
zend_mangle_property_name(&prot_name, &prop_name_length, "*", 1,
Z_STRVAL_PP(d), Z_STRLEN_PP(d), ce->type & ZEND_INTERNAL_CLASS);
if (zend_hash_find(Z_OBJPROP_P(z), prot_name, prop_name_length+1, (void *) &v) == SUCCESS) {
if (igbinary_serialize_string(igsd, prot_name, prop_name_length TSRMLS_CC) != 0) {
efree(prot_name);
return 1;
}
efree(prot_name);
if (igbinary_serialize_zval(igsd, *v TSRMLS_CC) != 0) {
return 1;
}
break;
}
efree(prot_name);
/* no win */
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "\"%s\" returned as member variable from __sleep() but does not exist", Z_STRVAL_PP(d));
if (igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize_null(igsd TSRMLS_CC) != 0) {
return 1;
}
} while (0);
} else {
// if all else fails, just serialize the value in anyway.
if (igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize_zval(igsd, *v TSRMLS_CC) != 0) {
return 1;
}
}
}
}
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_object_name */
/** Serialize object name. */
inline static int igbinary_serialize_object_name(struct igbinary_serialize_data *igsd, const char *class_name, size_t name_len TSRMLS_DC) {
uint32_t t;
uint32_t *i = &t;
if (hash_si_find(&igsd->strings, class_name, name_len, i) == 1) {
hash_si_insert(&igsd->strings, class_name, name_len, igsd->string_count);
igsd->string_count += 1;
if (name_len <= 0xff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) name_len TSRMLS_CC) != 0) {
return 1;
}
} else if (name_len <= 0xffff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) name_len TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) name_len TSRMLS_CC) != 0) {
return 1;
}
}
if (igbinary_serialize_resize(igsd, name_len TSRMLS_CC)) {
return 1;
}
memcpy(igsd->buffer+igsd->buffer_size, class_name, name_len);
igsd->buffer_size += name_len;
} else {
/* already serialized string */
if (*i <= 0xff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_id8 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else if (*i <= 0xffff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_id16 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) *i TSRMLS_CC) != 0) {
return 1;
}
} else {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_id32 TSRMLS_CC) != 0) {
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) *i TSRMLS_CC) != 0) {
return 1;
}
}
}
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_object */
/** Serialize object.
* @see ext/standard/var.c
* */
inline static int igbinary_serialize_object(struct igbinary_serialize_data *igsd, zval *z TSRMLS_DC) {
zend_class_entry *ce;
zval f;
zval *h = NULL;
int r = 0;
unsigned char *serialized_data = NULL;
zend_uint serialized_len;
PHP_CLASS_ATTRIBUTES;
if (igbinary_serialize_array_ref(igsd, z, true TSRMLS_CC) == 0) {
return r;
}
ce = Z_OBJCE_P(z);
/* custom serializer */
if (ce && ce->serialize != NULL) {
if (ce->serialize(z, &serialized_data, &serialized_len, (zend_serialize_data *)NULL TSRMLS_CC) == SUCCESS && !EG(exception)) {
if (igbinary_serialize_object_name(igsd, ce->name, ce->name_length TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
if (serialized_len <= 0xff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_ser8 TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
if (igbinary_serialize8(igsd, (uint8_t) serialized_len TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
} else if (serialized_len <= 0xffff) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_ser16 TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
if (igbinary_serialize16(igsd, (uint16_t) serialized_len TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
} else {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_object_ser32 TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
if (igbinary_serialize32(igsd, (uint32_t) serialized_len TSRMLS_CC) != 0) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
}
if (igbinary_serialize_resize(igsd, serialized_len TSRMLS_CC)) {
if (serialized_data) {
efree(serialized_data);
}
return 1;
}
memcpy(igsd->buffer+igsd->buffer_size, serialized_data, serialized_len);
igsd->buffer_size += serialized_len;
} else if (EG(exception)) {
/* exception, return failure */
r = 1;
} else {
/* Serialization callback failed, assume null output */
r = igbinary_serialize_null(igsd TSRMLS_CC);
}
if (serialized_data) {
efree(serialized_data);
}
return r;
}
/* serialize class name */
PHP_SET_CLASS_ATTRIBUTES(z);
if (igbinary_serialize_object_name(igsd, class_name, name_len TSRMLS_CC) != 0) {
PHP_CLEANUP_CLASS_ATTRIBUTES();
return 1;
}
PHP_CLEANUP_CLASS_ATTRIBUTES();
if (ce && ce != PHP_IC_ENTRY && zend_hash_exists(&ce->function_table, "__sleep", sizeof("__sleep"))) {
/* function name string */
INIT_PZVAL(&f);
ZVAL_STRINGL(&f, "__sleep", sizeof("__sleep") - 1, 0);
/* calling z->__sleep */
r = call_user_function_ex(CG(function_table), &z, &f, &h, 0, 0, 1, NULL TSRMLS_CC);
if (r == SUCCESS && !EG(exception)) {
r = 0;
if (h) {
if (Z_TYPE_P(h) == IS_ARRAY) {
r = igbinary_serialize_array_sleep(igsd, z, HASH_OF(h), ce, incomplete_class TSRMLS_CC);
} else {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "__sleep should return an array only "
"containing the names of instance-variables to "
"serialize");
/* empty array */
r = igbinary_serialize8(igsd, igbinary_type_array8 TSRMLS_CC);
if (r == 0) {
r = igbinary_serialize8(igsd, 0 TSRMLS_CC);
}
}
}
} else {
r = 1;
}
/* cleanup */
if (h) {
zval_ptr_dtor(&h);
}
return r;
} else {
return igbinary_serialize_array(igsd, z, true, incomplete_class TSRMLS_CC);
}
}
/* }}} */
/* {{{ igbinary_serialize_zval */
/** Serialize zval. */
static int igbinary_serialize_zval(struct igbinary_serialize_data *igsd, zval *z TSRMLS_DC) {
if (Z_ISREF_P(z)) {
if (igbinary_serialize8(igsd, (uint8_t) igbinary_type_ref TSRMLS_CC) != 0) {
return 1;
}
/* Complex types serialize a reference, scalars do not... */
/* FIXME: Absolutely wrong level to check this. */
switch (Z_TYPE_P(z)) {
case IS_RESOURCE:
case IS_STRING:
case IS_LONG:
case IS_NULL:
case IS_BOOL:
case IS_DOUBLE:
/* Serialize a reference if zval already added */
if (igbinary_serialize_array_ref(igsd, z, false TSRMLS_CC) == 0) {
return 0;
}
/* otherwise fall through */
}
}
switch (Z_TYPE_P(z)) {
case IS_RESOURCE:
return igbinary_serialize_null(igsd TSRMLS_CC);
case IS_OBJECT:
return igbinary_serialize_object(igsd, z TSRMLS_CC);
case IS_ARRAY:
return igbinary_serialize_array(igsd, z, false, false TSRMLS_CC);
case IS_STRING:
return igbinary_serialize_string(igsd, Z_STRVAL_P(z), Z_STRLEN_P(z) TSRMLS_CC);
case IS_LONG:
return igbinary_serialize_long(igsd, Z_LVAL_P(z) TSRMLS_CC);
case IS_NULL:
return igbinary_serialize_null(igsd TSRMLS_CC);
case IS_BOOL:
return igbinary_serialize_bool(igsd, Z_LVAL_P(z) ? 1 : 0 TSRMLS_CC);
case IS_DOUBLE:
return igbinary_serialize_double(igsd, Z_DVAL_P(z) TSRMLS_CC);
default:
zend_error(E_ERROR, "igbinary_serialize_zval: zval has unknown type %d", (int)Z_TYPE_P(z));
/* not reached */
return 1;
}
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_data_init */
/** Inits igbinary_unserialize_data_init. */
inline static int igbinary_unserialize_data_init(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
smart_str empty_str = { 0 };
igsd->buffer = NULL;
igsd->buffer_size = 0;
igsd->buffer_offset = 0;
igsd->strings = NULL;
igsd->strings_count = 0;
igsd->strings_capacity = 4;
igsd->string0_buf = empty_str;
igsd->error = 0;
igsd->references = NULL;
igsd->references_count = 0;
igsd->references_capacity = 4;
igsd->references = (void **) emalloc(sizeof(void *) * igsd->references_capacity);
if (igsd->references == NULL) {
return 1;
}
igsd->strings = (struct igbinary_unserialize_string_pair *) emalloc(sizeof(struct igbinary_unserialize_string_pair) * igsd->strings_capacity);
if (igsd->strings == NULL) {
efree(igsd->references);
return 1;
}
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_data_deinit */
/** Deinits igbinary_unserialize_data_init. */
inline static void igbinary_unserialize_data_deinit(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
if (igsd->strings) {
efree(igsd->strings);
}
if (igsd->references) {
efree(igsd->references);
}
smart_str_free(&igsd->string0_buf);
return;
}
/* }}} */
/* {{{ igbinary_unserialize_header */
/** Unserialize header. Check for version. */
inline static int igbinary_unserialize_header(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
uint32_t version;
if (igsd->buffer_offset + 4 >= igsd->buffer_size) {
return 1;
}
version = igbinary_unserialize32(igsd TSRMLS_CC);
/* Support older version 1 and the current format 2 */
if (version == IGBINARY_FORMAT_VERSION || version == 0x00000001) {
return 0;
} else {
zend_error(E_WARNING, "igbinary_unserialize_header: unsupported version: %u, should be %u or %u", (unsigned int) version, 0x00000001, (unsigned int) IGBINARY_FORMAT_VERSION);
return 1;
}
}
/* }}} */
/* {{{ igbinary_unserialize8 */
/** Unserialize 8bit value. */
inline static uint8_t igbinary_unserialize8(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
uint8_t ret = 0;
ret = igsd->buffer[igsd->buffer_offset++];
return ret;
}
/* }}} */
/* {{{ igbinary_unserialize16 */
/** Unserialize 16bit value. */
inline static uint16_t igbinary_unserialize16(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
uint16_t ret = 0;
ret |= ((uint16_t) igsd->buffer[igsd->buffer_offset++] << 8);
ret |= ((uint16_t) igsd->buffer[igsd->buffer_offset++] << 0);
return ret;
}
/* }}} */
/* {{{ igbinary_unserialize32 */
/** Unserialize 32bit value. */
inline static uint32_t igbinary_unserialize32(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
uint32_t ret = 0;
ret |= ((uint32_t) igsd->buffer[igsd->buffer_offset++] << 24);
ret |= ((uint32_t) igsd->buffer[igsd->buffer_offset++] << 16);
ret |= ((uint32_t) igsd->buffer[igsd->buffer_offset++] << 8);
ret |= ((uint32_t) igsd->buffer[igsd->buffer_offset++] << 0);
return ret;
}
/* }}} */
/* {{{ igbinary_unserialize64 */
/** Unserialize 64bit value. */
inline static uint64_t igbinary_unserialize64(struct igbinary_unserialize_data *igsd TSRMLS_DC) {
uint64_t ret = 0;
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 56);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 48);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 40);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 32);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 24);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 16);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 8);
ret |= ((uint64_t) igsd->buffer[igsd->buffer_offset++] << 0);
return ret;
}
/* }}} */
/* {{{ igbinary_unserialize_long */
/** Unserializes long */
inline static int igbinary_unserialize_long(struct igbinary_unserialize_data *igsd, enum igbinary_type t, long *ret TSRMLS_DC) {
uint32_t tmp32;
#if SIZEOF_LONG == 8
uint64_t tmp64;
#endif
if (t == igbinary_type_long8p || t == igbinary_type_long8n) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_long: end-of-data");
return 1;
}
*ret = (long) (t == igbinary_type_long8n ? -1 : 1) * igbinary_unserialize8(igsd TSRMLS_CC);
} else if (t == igbinary_type_long16p || t == igbinary_type_long16n) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_long: end-of-data");
return 1;
}
*ret = (long) (t == igbinary_type_long16n ? -1 : 1) * igbinary_unserialize16(igsd TSRMLS_CC);
} else if (t == igbinary_type_long32p || t == igbinary_type_long32n) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_long: end-of-data");
return 1;
}
/* check for boundaries */
tmp32 = igbinary_unserialize32(igsd TSRMLS_CC);
#if SIZEOF_LONG == 4
if (tmp32 > 0x80000000 || (tmp32 == 0x80000000 && t == igbinary_type_long32p)) {
zend_error(E_WARNING, "igbinary_unserialize_long: 64bit long on 32bit platform?");
tmp32 = 0; /* t == igbinary_type_long32p ? LONG_MAX : LONG_MIN; */
}
#endif
*ret = (long) (t == igbinary_type_long32n ? -1 : 1) * tmp32;
} else if (t == igbinary_type_long64p || t == igbinary_type_long64n) {
#if SIZEOF_LONG == 8
if (igsd->buffer_offset + 8 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_long: end-of-data");
return 1;
}
/* check for boundaries */
tmp64 = igbinary_unserialize64(igsd TSRMLS_CC);
if (tmp64 > 0x8000000000000000 || (tmp64 == 0x8000000000000000 && t == igbinary_type_long64p)) {
zend_error(E_WARNING, "igbinary_unserialize_long: too big 64bit long.");
tmp64 = 0; /* t == igbinary_type_long64p ? LONG_MAX : LONG_MIN */;
}
*ret = (long) (t == igbinary_type_long64n ? -1 : 1) * tmp64;
#elif SIZEOF_LONG == 4
/* can't put 64bit long into 32bit one, placeholder zero */
*ret = 0;
igbinary_unserialize64(igsd TSRMLS_CC);
zend_error(E_WARNING, "igbinary_unserialize_long: 64bit long on 32bit platform");
#else
#error "Strange sizeof(long)."
#endif
} else {
*ret = 0;
zend_error(E_WARNING, "igbinary_unserialize_long: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_double */
/** Unserializes double. */
inline static int igbinary_unserialize_double(struct igbinary_unserialize_data *igsd, enum igbinary_type t, double *ret TSRMLS_DC) {
union {
double d;
uint64_t u;
} u;
(void) t;
if (igsd->buffer_offset + 8 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_double: end-of-data");
return 1;
}
u.u = igbinary_unserialize64(igsd TSRMLS_CC);
*ret = u.d;
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_string */
/** Unserializes string. Unserializes both actual string or by string id. */
inline static int igbinary_unserialize_string(struct igbinary_unserialize_data *igsd, enum igbinary_type t, char **s, size_t *len TSRMLS_DC) {
size_t i;
if (t == igbinary_type_string_id8 || t == igbinary_type_object_id8) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_string: end-of-data");
return 1;
}
i = igbinary_unserialize8(igsd TSRMLS_CC);
} else if (t == igbinary_type_string_id16 || t == igbinary_type_object_id16) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_string: end-of-data");
return 1;
}
i = igbinary_unserialize16(igsd TSRMLS_CC);
} else if (t == igbinary_type_string_id32 || t == igbinary_type_object_id32) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_string: end-of-data");
return 1;
}
i = igbinary_unserialize32(igsd TSRMLS_CC);
} else {
zend_error(E_WARNING, "igbinary_unserialize_string: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
if (i >= igsd->strings_count) {
zend_error(E_WARNING, "igbinary_unserialize_string: string index is out-of-bounds");
return 1;
}
*s = igsd->strings[i].data;
*len = igsd->strings[i].len;
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_chararray */
/** Unserializes chararray of string. */
inline static int igbinary_unserialize_chararray(struct igbinary_unserialize_data *igsd, enum igbinary_type t, char **s, size_t *len TSRMLS_DC) {
size_t l;
if (t == igbinary_type_string8 || t == igbinary_type_object8) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
l = igbinary_unserialize8(igsd TSRMLS_CC);
if (igsd->buffer_offset + l > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
} else if (t == igbinary_type_string16 || t == igbinary_type_object16) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
l = igbinary_unserialize16(igsd TSRMLS_CC);
if (igsd->buffer_offset + l > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
} else if (t == igbinary_type_string32 || t == igbinary_type_object32) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
l = igbinary_unserialize32(igsd TSRMLS_CC);
if (igsd->buffer_offset + l > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_chararray: end-of-data");
return 1;
}
} else {
zend_error(E_WARNING, "igbinary_unserialize_chararray: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
if (igsd->strings_count + 1 > igsd->strings_capacity) {
while (igsd->strings_count + 1 > igsd->strings_capacity) {
igsd->strings_capacity *= 2;
}
igsd->strings = (struct igbinary_unserialize_string_pair *) erealloc(igsd->strings, sizeof(struct igbinary_unserialize_string_pair) * igsd->strings_capacity);
if (igsd->strings == NULL) {
return 1;
}
}
igsd->strings[igsd->strings_count].data = (char *) (igsd->buffer + igsd->buffer_offset);
igsd->strings[igsd->strings_count].len = l;
igsd->buffer_offset += l;
if (igsd->strings[igsd->strings_count].data == NULL) {
return 1;
}
*len = igsd->strings[igsd->strings_count].len;
*s = igsd->strings[igsd->strings_count].data;
igsd->strings_count += 1;
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_array */
/** Unserializes array. */
inline static int igbinary_unserialize_array(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z, int object TSRMLS_DC) {
size_t n;
size_t i;
zval *v = NULL;
/* zval *old_v; */
char *key;
size_t key_len = 0;
long key_index = 0;
enum igbinary_type key_type;
HashTable *h;
if (t == igbinary_type_array8) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_array: end-of-data");
return 1;
}
n = igbinary_unserialize8(igsd TSRMLS_CC);
} else if (t == igbinary_type_array16) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_array: end-of-data");
return 1;
}
n = igbinary_unserialize16(igsd TSRMLS_CC);
} else if (t == igbinary_type_array32) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_array: end-of-data");
return 1;
}
n = igbinary_unserialize32(igsd TSRMLS_CC);
} else {
zend_error(E_WARNING, "igbinary_unserialize_array: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
// n cannot be larger than the number of minimum "objects" in the array
if (n > igsd->buffer_size - igsd->buffer_offset) {
zend_error(E_WARNING, "%s: data size %zu smaller that requested array length %zu.", "igbinary_unserialize_array", igsd->buffer_size - igsd->buffer_offset, n);
return 1;
}
if (!object) {
Z_TYPE_PP(z) = IS_ARRAY;
ALLOC_HASHTABLE(Z_ARRVAL_PP(z));
zend_hash_init(Z_ARRVAL_PP(z), n + 1, NULL, ZVAL_PTR_DTOR, 0);
/* references */
if (igsd->references_count + 1 >= igsd->references_capacity) {
while (igsd->references_count + 1 >= igsd->references_capacity) {
igsd->references_capacity *= 2;
}
igsd->references = (void **) erealloc(igsd->references, sizeof(void *) * igsd->references_capacity);
if (igsd->references == NULL)
return 1;
}
igsd->references[igsd->references_count++] = (void *) *z;
}
/* empty array */
if (n == 0) {
return 0;
}
h = HASH_OF(*z);
for (i = 0; i < n; i++) {
key = NULL;
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_array: end-of-data");
zval_dtor(*z);
ZVAL_NULL(*z);
return 1;
}
key_type = (enum igbinary_type) igbinary_unserialize8(igsd TSRMLS_CC);
switch (key_type) {
case igbinary_type_long8p:
case igbinary_type_long8n:
case igbinary_type_long16p:
case igbinary_type_long16n:
case igbinary_type_long32p:
case igbinary_type_long32n:
case igbinary_type_long64p:
case igbinary_type_long64n:
if (igbinary_unserialize_long(igsd, key_type, &key_index TSRMLS_CC)) {
zval_dtor(*z);
ZVAL_NULL(*z);
return 1;
}
break;
case igbinary_type_string_id8:
case igbinary_type_string_id16:
case igbinary_type_string_id32:
if (igbinary_unserialize_string(igsd, key_type, &key, &key_len TSRMLS_CC)) {
zval_dtor(*z);
ZVAL_NULL(*z);
return 1;
}
break;
case igbinary_type_string8:
case igbinary_type_string16:
case igbinary_type_string32:
if (igbinary_unserialize_chararray(igsd, key_type, &key, &key_len TSRMLS_CC)) {
zval_dtor(*z);
ZVAL_NULL(*z);
return 1;
}
break;
case igbinary_type_string_empty:
key = "";
key_len = 0;
break;
case igbinary_type_null:
continue;
default:
zend_error(E_WARNING, "igbinary_unserialize_array: unknown key type '%02x', position %zu", key_type, igsd->buffer_offset);
zval_dtor(*z);
ZVAL_NULL(*z);
return 1;
}
ALLOC_INIT_ZVAL(v);
if (igbinary_unserialize_zval(igsd, &v TSRMLS_CC)) {
zval_dtor(*z);
ZVAL_NULL(*z);
zval_ptr_dtor(&v);
return 1;
}
if (key) {
/* Keys must include a terminating null. */
/* Ensure buffer starts at the beginning. */
igsd->string0_buf.len = 0;
smart_str_appendl(&igsd->string0_buf, key, key_len);
smart_str_0(&igsd->string0_buf);
/*
if (zend_symtable_find(h, key, key_len + 1, (void **)&old_v) == SUCCESS) {
var_push_dtor(var_hash, old_v);
}
*/
zend_symtable_update(h, igsd->string0_buf.c, igsd->string0_buf.len + 1, &v, sizeof(v), NULL);
} else {
/*
if (zend_hash_index_find(h, key_index, (void **)&old_v) == SUCCESS) {
var_push_dtor(var_hash, old_v);
}
*/
zend_hash_index_update(h, key_index, &v, sizeof(v), NULL);
}
}
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_object_ser */
/** Unserializes object's property array of objects implementing Serializable -interface. */
inline static int igbinary_unserialize_object_ser(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z, zend_class_entry *ce TSRMLS_DC) {
size_t n;
int ret;
php_unserialize_data_t var_hash;
if (ce->unserialize == NULL) {
zend_error(E_WARNING, "Class %s has no unserializer", ce->name);
return 1;
}
if (t == igbinary_type_object_ser8) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_object_ser: end-of-data");
return 1;
}
n = igbinary_unserialize8(igsd TSRMLS_CC);
} else if (t == igbinary_type_object_ser16) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_object_ser: end-of-data");
return 1;
}
n = igbinary_unserialize16(igsd TSRMLS_CC);
} else if (t == igbinary_type_object_ser32) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_object_ser: end-of-data");
return 1;
}
n = igbinary_unserialize32(igsd TSRMLS_CC);
} else {
zend_error(E_WARNING, "igbinary_unserialize_object_ser: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
if (igsd->buffer_offset + n > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_object_ser: end-of-data");
return 1;
}
PHP_VAR_UNSERIALIZE_INIT(var_hash);
ret = ce->unserialize(z, ce,
(const unsigned char*)(igsd->buffer + igsd->buffer_offset), n,
(zend_unserialize_data *)&var_hash TSRMLS_CC);
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
if (ret != SUCCESS || EG(exception)) {
return 1;
}
igsd->buffer_offset += n;
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_object */
/** Unserialize object.
* @see ext/standard/var_unserializer.c
*/
inline static int igbinary_unserialize_object(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z TSRMLS_DC) {
zend_class_entry *ce;
zend_class_entry **pce;
zval *h = NULL;
zval f;
char *name = NULL;
size_t name_len = 0;
int r;
bool incomplete_class = false;
zval *user_func;
zval *retval_ptr;
zval **args[1];
zval *arg_func_name;
if (t == igbinary_type_object8 || t == igbinary_type_object16 || t == igbinary_type_object32) {
if (igbinary_unserialize_chararray(igsd, t, &name, &name_len TSRMLS_CC)) {
return 1;
}
} else if (t == igbinary_type_object_id8 || t == igbinary_type_object_id16 || t == igbinary_type_object_id32) {
if (igbinary_unserialize_string(igsd, t, &name, &name_len TSRMLS_CC)) {
return 1;
}
} else {
zend_error(E_WARNING, "igbinary_unserialize_object: unknown object type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
do {
/* Try to find class directly */
if (zend_lookup_class(name, name_len, &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
break;
}
/* Check for unserialize callback */
if ((PG(unserialize_callback_func) == NULL) || (PG(unserialize_callback_func)[0] == '\0')) {
incomplete_class = 1;
ce = PHP_IC_ENTRY;
break;
}
/* Call unserialize callback */
MAKE_STD_ZVAL(user_func);
ZVAL_STRING(user_func, PG(unserialize_callback_func), 1);
args[0] = &arg_func_name;
MAKE_STD_ZVAL(arg_func_name);
ZVAL_STRING(arg_func_name, name, 1);
if (call_user_function_ex(CG(function_table), NULL, user_func, &retval_ptr, 1, args, 0, NULL TSRMLS_CC) != SUCCESS) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "defined (%s) but not found", name);
incomplete_class = 1;
ce = PHP_IC_ENTRY;
zval_ptr_dtor(&user_func);
zval_ptr_dtor(&arg_func_name);
break;
}
if (retval_ptr) {
zval_ptr_dtor(&retval_ptr);
}
/* The callback function may have defined the class */
if (zend_lookup_class(name, name_len, &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Function %s() hasn't defined the class it was called for", name);
incomplete_class = true;
ce = PHP_IC_ENTRY;
}
zval_ptr_dtor(&user_func);
zval_ptr_dtor(&arg_func_name);
} while (0);
/* previous user function call may have raised an exception */
if (EG(exception)) {
return 1;
}
object_init_ex(*z, ce);
/* reference */
if (igsd->references_count + 1 >= igsd->references_capacity) {
while (igsd->references_count + 1 >= igsd->references_capacity) {
igsd->references_capacity *= 2;
}
igsd->references = (void **) erealloc(igsd->references, sizeof(void *) * igsd->references_capacity);
if (igsd->references == NULL)
return 1;
}
igsd->references[igsd->references_count++] = (void *) *z;
/* store incomplete class name */
if (incomplete_class) {
php_store_class_name(*z, name, name_len);
}
t = (enum igbinary_type) igbinary_unserialize8(igsd TSRMLS_CC);
switch (t) {
case igbinary_type_array8:
case igbinary_type_array16:
case igbinary_type_array32:
r = igbinary_unserialize_array(igsd, t, z, 1 TSRMLS_CC);
break;
case igbinary_type_object_ser8:
case igbinary_type_object_ser16:
case igbinary_type_object_ser32:
r = igbinary_unserialize_object_ser(igsd, t, z, ce TSRMLS_CC);
break;
default:
zend_error(E_WARNING, "igbinary_unserialize_object: unknown object inner type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
if (r) {
return r;
}
if (Z_OBJCE_PP(z) != PHP_IC_ENTRY && zend_hash_exists(&Z_OBJCE_PP(z)->function_table, "__wakeup", sizeof("__wakeup"))) {
INIT_PZVAL(&f);
ZVAL_STRINGL(&f, "__wakeup", sizeof("__wakeup") - 1, 0);
call_user_function_ex(CG(function_table), z, &f, &h, 0, 0, 1, NULL TSRMLS_CC);
if (h) {
zval_ptr_dtor(&h);
}
if (EG(exception)) {
r = 1;
}
}
return r;
}
/* }}} */
/* {{{ igbinary_unserialize_ref */
/** Unserializes array or object by reference. */
inline static int igbinary_unserialize_ref(struct igbinary_unserialize_data *igsd, enum igbinary_type t, zval **z TSRMLS_DC) {
size_t n;
if (t == igbinary_type_ref8 || t == igbinary_type_objref8) {
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_ref: end-of-data");
return 1;
}
n = igbinary_unserialize8(igsd TSRMLS_CC);
} else if (t == igbinary_type_ref16 || t == igbinary_type_objref16) {
if (igsd->buffer_offset + 2 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_ref: end-of-data");
return 1;
}
n = igbinary_unserialize16(igsd TSRMLS_CC);
} else if (t == igbinary_type_ref32 || t == igbinary_type_objref32) {
if (igsd->buffer_offset + 4 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_ref: end-of-data");
return 1;
}
n = igbinary_unserialize32(igsd TSRMLS_CC);
} else {
zend_error(E_WARNING, "igbinary_unserialize_ref: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
if (n >= igsd->references_count) {
zend_error(E_WARNING, "igbinary_unserialize_ref: invalid reference");
return 1;
}
if (*z != NULL) {
zval_ptr_dtor(z);
}
*z = igsd->references[n];
Z_ADDREF_PP(z);
if (t == igbinary_type_objref8 || t == igbinary_type_objref16 || t == igbinary_type_objref32) {
Z_SET_ISREF_TO_PP(z, false);
}
return 0;
}
/* }}} */
/* {{{ igbinary_unserialize_zval */
/** Unserialize zval. */
static int igbinary_unserialize_zval(struct igbinary_unserialize_data *igsd, zval **z TSRMLS_DC) {
enum igbinary_type t;
long tmp_long;
double tmp_double;
char *tmp_chararray;
size_t tmp_size_t;
if (igsd->buffer_offset + 1 > igsd->buffer_size) {
zend_error(E_WARNING, "igbinary_unserialize_zval: end-of-data");
return 1;
}
t = (enum igbinary_type) igbinary_unserialize8(igsd TSRMLS_CC);
switch (t) {
case igbinary_type_ref:
if (igbinary_unserialize_zval(igsd, z TSRMLS_CC)) {
return 1;
}
/* Scalar types should be added to the references hash */
/* unless they're already added */
/* in references list: marked as ref */
if (!Z_ISREF_PP(z)) switch (Z_TYPE_PP(z)) {
case IS_STRING:
case IS_LONG:
case IS_NULL:
case IS_DOUBLE:
case IS_BOOL:
/* reference */
if (igsd->references_count + 1 >= igsd->references_capacity) {
while (igsd->references_count + 1 >= igsd->references_capacity) {
igsd->references_capacity *= 2;
}
igsd->references = (void **) erealloc(igsd->references, sizeof(void *) * igsd->references_capacity);
if (igsd->references == NULL)
return 1;
}
igsd->references[igsd->references_count++] = (void *) *z;
}
Z_SET_ISREF_TO_PP(z, true);
break;
case igbinary_type_objref8:
case igbinary_type_objref16:
case igbinary_type_objref32:
case igbinary_type_ref8:
case igbinary_type_ref16:
case igbinary_type_ref32:
if (igbinary_unserialize_ref(igsd, t, z TSRMLS_CC)) {
return 1;
}
break;
case igbinary_type_object8:
case igbinary_type_object16:
case igbinary_type_object32:
case igbinary_type_object_id8:
case igbinary_type_object_id16:
case igbinary_type_object_id32:
if (igbinary_unserialize_object(igsd, t, z TSRMLS_CC)) {
return 1;
}
break;
case igbinary_type_array8:
case igbinary_type_array16:
case igbinary_type_array32:
if (igbinary_unserialize_array(igsd, t, z, 0 TSRMLS_CC)) {
return 1;
}
break;
case igbinary_type_string_empty:
ZVAL_EMPTY_STRING(*z);
break;
case igbinary_type_string_id8:
case igbinary_type_string_id16:
case igbinary_type_string_id32:
if (igbinary_unserialize_string(igsd, t, &tmp_chararray, &tmp_size_t TSRMLS_CC)) {
return 1;
}
ZVAL_STRINGL(*z, tmp_chararray, tmp_size_t, 1);
break;
case igbinary_type_string8:
case igbinary_type_string16:
case igbinary_type_string32:
if (igbinary_unserialize_chararray(igsd, t, &tmp_chararray, &tmp_size_t TSRMLS_CC)) {
return 1;
}
ZVAL_STRINGL(*z, tmp_chararray, tmp_size_t, 1);
break;
case igbinary_type_long8p:
case igbinary_type_long8n:
case igbinary_type_long16p:
case igbinary_type_long16n:
case igbinary_type_long32p:
case igbinary_type_long32n:
case igbinary_type_long64p:
case igbinary_type_long64n:
if (igbinary_unserialize_long(igsd, t, &tmp_long TSRMLS_CC)) {
return 1;
}
ZVAL_LONG(*z, tmp_long);
break;
case igbinary_type_null:
ZVAL_NULL(*z);
break;
case igbinary_type_bool_false:
ZVAL_BOOL(*z, 0);
break;
case igbinary_type_bool_true:
ZVAL_BOOL(*z, 1);
break;
case igbinary_type_double:
if (igbinary_unserialize_double(igsd, t, &tmp_double TSRMLS_CC)) {
return 1;
}
ZVAL_DOUBLE(*z, tmp_double);
break;
default:
zend_error(E_WARNING, "igbinary_unserialize_zval: unknown type '%02x', position %zu", t, igsd->buffer_offset);
return 1;
}
return 0;
}
/* }}} */
/*
* Local variables:
* tab-width: 2
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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