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igbinary.c
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igbinary.c
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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/session/php_session.h"
#include "ext/standard/php_incomplete_class.h"
#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"
/** Session serializer function prototypes. */
PS_SERIALIZER_FUNCS(igbinary);
/* {{{ 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. */
};
/** 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 */
};
/* }}} */
/* {{{ Serializing functions prototypes */
inline static int igbinary_serialize_data_init(struct igbinary_serialize_data *igsd, bool scalar TSRMLS_DC);
inline static void igbinary_serialize_data_deinit(struct igbinary_serialize_data *igsd 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_module_entry */
zend_module_entry igbinary_module_entry = {
#if 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
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
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", IGBINARY_VERSION);
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ int igbinary_serialize(uint8_t**, size_t*, zval*) */
int igbinary_serialize(uint8_t **ret, size_t *ret_len, zval *z TSRMLS_DC) {
struct igbinary_serialize_data igsd;
if (igbinary_serialize_data_init(&igsd, Z_TYPE_P(z) != IS_OBJECT && Z_TYPE_P(z) != IS_ARRAY TSRMLS_CC)) {
zend_error(E_WARNING, "igbinary_serialize: cannot init igsd");
return 1;
}
if (igbinary_serialize_header(&igsd TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd TSRMLS_CC);
return 1;
}
if (igbinary_serialize_zval(&igsd, z TSRMLS_CC) != 0) {
igbinary_serialize_data_deinit(&igsd TSRMLS_CC);
return 1;
}
*ret_len = igsd.buffer_size;
*ret = (uint8_t *) emalloc(igsd.buffer_size);
memcpy(*ret, igsd.buffer, igsd.buffer_size);
igbinary_serialize_data_deinit(&igsd TSRMLS_CC);
return 0;
}
/* }}} */
/* {{{ int igbinary_unserialize(const uint8_t *, size_t, zval **) */
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_NULL();
}
if (igbinary_unserialize((uint8_t *) string, string_len, &return_value TSRMLS_CC)) {
RETURN_NULL();
}
}
/* }}} */
/* {{{ proto mixed igbinary_serialize(string value) */
PHP_FUNCTION(igbinary_serialize) {
zval *z;
struct igbinary_serialize_data igsd;
(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_data_init(&igsd, Z_TYPE_P(z) != IS_OBJECT && Z_TYPE_P(z) != IS_ARRAY TSRMLS_CC)) {
zend_error(E_WARNING, "igbinary_serialize: cannot init igsd");
RETURN_NULL();
}
igbinary_serialize_header(&igsd TSRMLS_CC);
igbinary_serialize_zval(&igsd, z TSRMLS_CC);
RETVAL_STRINGL((char *)igsd.buffer, igsd.buffer_size, 1);
igbinary_serialize_data_deinit(&igsd TSRMLS_CC);
}
/* }}} */
/* {{{ Serializer encode function */
PS_SERIALIZER_ENCODE_FUNC(igbinary)
{
struct igbinary_serialize_data igsd;
if (igbinary_serialize_data_init(&igsd, false TSRMLS_CC)) {
zend_error(E_WARNING, "igbinary_serialize: cannot init igsd");
return FAILURE;
}
igbinary_serialize_header(&igsd TSRMLS_CC);
igbinary_serialize_array(&igsd, PS(http_session_vars), false, false TSRMLS_CC);
if (newlen)
*newlen = igsd.buffer_size;
*newstr = estrndup((char*)igsd.buffer, igsd.buffer_size);
if (newstr == NULL) {
return FAILURE;
}
igbinary_serialize_data_deinit(&igsd 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;
igbinary_unserialize_data_init(&igsd TSRMLS_CC);
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;
}
/* }}} */
/* {{{ igbinary_serialize_data_init */
/** Inits igbinary_serialize_data. */
inline static int igbinary_serialize_data_init(struct igbinary_serialize_data *igsd, bool scalar TSRMLS_DC) {
int r = 0;
igsd->buffer = NULL;
igsd->buffer_size = 0;
igsd->buffer_capacity = 32;
igsd->string_count = 0;
igsd->error = 0;
igsd->buffer = (uint8_t *) emalloc(igsd->buffer_capacity);
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 TSRMLS_DC) {
if (igsd->buffer) {
efree(igsd->buffer);
}
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) {
igbinary_serialize32(igsd, IGBINARY_FORMAT_VERSION TSRMLS_CC); /* version */
return 0;
}
/* }}} */
/* {{{ igbinary_serialize_resize */
/** Expandes 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 *) erealloc(igsd->buffer, igsd->buffer_capacity);
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
igbinary_serialize8(igsd, (uint8_t) igbinary_type_long64n TSRMLS_CC);
igbinary_serialize64(igsd, (uint64_t) 0x8000000000000000 TSRMLS_CC);
#elif SIZEOF_LONG == 4
igbinary_serialize8(igsd, (uint8_t) igbinary_type_long32n TSRMLS_CC);
igbinary_serialize32(igsd, (uint32_t) 0x80000000 TSRMLS_CC);
#else
#error "Strange sizeof(long)."
#endif
return 0;
}
if (k <= 0xff) {
igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long8p : igbinary_type_long8n) TSRMLS_CC);
igbinary_serialize8(igsd, (uint8_t) k TSRMLS_CC);
} else if (k <= 0xffff) {
igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long16p : igbinary_type_long16n) TSRMLS_CC);
igbinary_serialize16(igsd, (uint16_t) k TSRMLS_CC);
#if SIZEOF_LONG == 8
} else if (k <= 0xffffffff) {
igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long32p : igbinary_type_long32n) TSRMLS_CC);
igbinary_serialize32(igsd, (uint32_t) k TSRMLS_CC);
} else {
igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long64p : igbinary_type_long64n) TSRMLS_CC);
igbinary_serialize64(igsd, (uint64_t) k TSRMLS_CC);
}
#elif SIZEOF_LONG == 4
} else {
igbinary_serialize8(igsd, (uint8_t) (p ? igbinary_type_long32p : igbinary_type_long32n) TSRMLS_CC);
igbinary_serialize32(igsd, (uint32_t) k TSRMLS_CC);
}
#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;
igbinary_serialize8(igsd, igbinary_type_double TSRMLS_CC);
u.d = d;
igbinary_serialize64(igsd, u.u TSRMLS_CC);
return 0;
}
/* }}} */
/* {{{ 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) {
igbinary_serialize8(igsd, igbinary_type_string_empty TSRMLS_CC);
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) {
igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id8 TSRMLS_CC);
igbinary_serialize8(igsd, (uint8_t) *i TSRMLS_CC);
} else if (*i <= 0xffff) {
igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id16 TSRMLS_CC);
igbinary_serialize16(igsd, (uint16_t) *i TSRMLS_CC);
} else {
igbinary_serialize8(igsd, (uint8_t) igbinary_type_string_id32 TSRMLS_CC);
igbinary_serialize32(igsd, (uint32_t) *i TSRMLS_CC);
}
}
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) {
igbinary_serialize8(igsd, igbinary_type_string8 TSRMLS_CC);
igbinary_serialize8(igsd, len TSRMLS_CC);
} else if (len <= 0xffff) {
igbinary_serialize8(igsd, igbinary_type_string16 TSRMLS_CC);
igbinary_serialize16(igsd, len TSRMLS_CC);
} else {
igbinary_serialize8(igsd, igbinary_type_string32 TSRMLS_CC);
igbinary_serialize32(igsd, len TSRMLS_CC);
}
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) {
igbinary_serialize8(igsd, igbinary_type_array8 TSRMLS_CC);
igbinary_serialize8(igsd, n TSRMLS_CC);
} else if (n <= 0xffff) {
igbinary_serialize8(igsd, igbinary_type_array16 TSRMLS_CC);
igbinary_serialize16(igsd, n TSRMLS_CC);
} else {
igbinary_serialize8(igsd, igbinary_type_array32 TSRMLS_CC);
igbinary_serialize32(igsd, n TSRMLS_CC);
}
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:
igbinary_serialize_long(igsd, key_index TSRMLS_CC);
break;
case HASH_KEY_IS_STRING:
igbinary_serialize_string(igsd, key, key_len-1 TSRMLS_CC);
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;
igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC);
igbinary_serialize8(igsd, (uint8_t) *i TSRMLS_CC);
} else if (*i <= 0xffff) {
type = object ? igbinary_type_objref16 : igbinary_type_ref16;
igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC);
igbinary_serialize16(igsd, (uint16_t) *i TSRMLS_CC);
} else {
type = object ? igbinary_type_objref32 : igbinary_type_ref32;
igbinary_serialize8(igsd, (uint8_t) type TSRMLS_CC);
igbinary_serialize32(igsd, (uint32_t) *i TSRMLS_CC);
}
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) {
igbinary_serialize8(igsd, igbinary_type_array8 TSRMLS_CC);
igbinary_serialize8(igsd, n TSRMLS_CC);
} else if (n <= 0xffff) {
igbinary_serialize8(igsd, igbinary_type_array16 TSRMLS_CC);
igbinary_serialize16(igsd, n TSRMLS_CC);
} else {
igbinary_serialize8(igsd, igbinary_type_array32 TSRMLS_CC);
igbinary_serialize32(igsd, n TSRMLS_CC);
}
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 */
igbinary_serialize_null(igsd TSRMLS_CC);
} else {
if (zend_hash_find(Z_OBJPROP_P(z), Z_STRVAL_PP(d), Z_STRLEN_PP(d) + 1, (void *) &v) == SUCCESS) {
igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC);
igbinary_serialize_zval(igsd, *v TSRMLS_CC);
} 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) {
igbinary_serialize_string(igsd, priv_name, prop_name_length TSRMLS_CC);
efree(priv_name);
igbinary_serialize_zval(igsd, *v TSRMLS_CC);
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) {
igbinary_serialize_string(igsd, prot_name, prop_name_length TSRMLS_CC);
efree(prot_name);
igbinary_serialize_zval(igsd, *v TSRMLS_CC);
break;
}
efree(prot_name);
/* no win */
igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC);
igbinary_serialize_null(igsd TSRMLS_CC);
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "\"%s\" returned as member variable from __sleep() but does not exist", Z_STRVAL_PP(d));
} while (0);
} else {
// if all else fails, just serialize the value in anyway.
igbinary_serialize_string(igsd, Z_STRVAL_PP(d), Z_STRLEN_PP(d) TSRMLS_CC);
igbinary_serialize_zval(igsd, *v TSRMLS_CC);
}
}
}
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) {
igbinary_serialize8(igsd, (uint8_t) igbinary_type_object8 TSRMLS_CC);
igbinary_serialize8(igsd, (uint8_t) name_len TSRMLS_CC);
} else if (name_len <= 0xffff) {
igbinary_serialize8(igsd, (uint8_t) igbinary_type_object16 TSRMLS_CC);
igbinary_serialize16(igsd, (uint16_t) name_len TSRMLS_CC);
} else {