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|
#include "php.h"
#include "php_msgpack.h"
#include "msgpack_convert.h"
#include "msgpack_errors.h"
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 3)
# define Z_REFCOUNT_P(pz) ((pz)->refcount)
# define Z_SET_ISREF_P(pz) (pz)->is_ref = 1
# define Z_UNSET_ISREF_P(pz) (pz)->is_ref = 0
#endif
#define MSGPACK_CONVERT_COPY_ZVAL(_pz, _ppz) \
ALLOC_INIT_ZVAL(_pz); \
*(_pz) = **(_ppz); \
if (PZVAL_IS_REF(*(_ppz))) { \
if (Z_REFCOUNT_P(*(_ppz)) > 0) { \
zval_copy_ctor(_pz); \
} else { \
FREE_ZVAL(*(_ppz)); \
} \
INIT_PZVAL(_pz); \
Z_SET_ISREF_P(_pz); \
} else { \
zval_copy_ctor(_pz); \
INIT_PZVAL(_pz); \
}
#define MSGPACK_CONVERT_UPDATE_PROPERTY(_ht, _key, _key_len, _val, _var) \
if (zend_symtable_update( \
_ht, _key, _key_len, &_val, sizeof(_val), NULL) == SUCCESS) { \
zend_hash_add(_var, _key, _key_len, &_val, sizeof(_val), NULL); \
return SUCCESS; \
}
static inline int msgpack_convert_long_to_properties(
HashTable *ht, HashTable **properties, HashPosition *prop_pos,
uint key_index, zval *val, HashTable *var)
{
TSRMLS_FETCH();
if (*properties != NULL)
{
char *prop_key;
uint prop_key_len;
ulong prop_key_index;
zval **data = NULL;
zval *tplval = NULL;
zval **dataval = NULL;
for (;; zend_hash_move_forward_ex(*properties, prop_pos))
{
if (zend_hash_get_current_key_ex(
*properties, &prop_key, &prop_key_len,
&prop_key_index, 0, prop_pos) == HASH_KEY_IS_STRING)
{
if (var == NULL ||
!zend_hash_exists(var, prop_key, prop_key_len))
{
if (zend_hash_find(
ht, prop_key, prop_key_len,
(void **)&data) == SUCCESS)
{
switch (Z_TYPE_PP(data))
{
case IS_ARRAY:
{
HashTable *dataht;
dataht = HASH_OF(val);
if (zend_hash_index_find(
dataht, prop_key_index,
(void **)dataval) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) "
"can't get data value by index",
__FUNCTION__);
return FAILURE;
}
ALLOC_INIT_ZVAL(tplval);
if (msgpack_convert_array(
tplval, *data, dataval) == SUCCESS)
{
zend_hash_move_forward_ex(
*properties, prop_pos);
return zend_symtable_update(
ht, prop_key, prop_key_len,
&tplval, sizeof(tplval), NULL);
}
// TODO: de we need to call dtor?
return FAILURE;
break;
}
case IS_OBJECT:
{
ALLOC_INIT_ZVAL(tplval);
if (msgpack_convert_object(
tplval, *data, &val) == SUCCESS)
{
zend_hash_move_forward_ex(
*properties, prop_pos);
return zend_symtable_update(
ht, prop_key, prop_key_len,
&tplval, sizeof(tplval), NULL);
}
// TODO: de we need to call dtor?
return FAILURE;
break;
}
default:
zend_hash_move_forward_ex(*properties, prop_pos);
return zend_symtable_update(
ht, prop_key, prop_key_len,
&val, sizeof(val), NULL);
break;
}
}
}
}
else
{
break;
}
}
*properties = NULL;
}
return zend_hash_index_update(ht, key_index, &val, sizeof(val), NULL);
}
static inline int msgpack_convert_string_to_properties(
zval *object, char *key, uint key_len, zval *val, HashTable *var)
{
zval **data = NULL;
HashTable *ht;
zend_class_entry *ce;
char *prot_name, *priv_name;
int prop_name_len;
TSRMLS_FETCH();
ht = HASH_OF(object);
ce = zend_get_class_entry(object TSRMLS_CC);
/* private */
zend_mangle_property_name(
&priv_name, &prop_name_len, ce->name, ce->name_length, key, key_len - 1, 1);
if (zend_hash_find(
ht, priv_name, prop_name_len + 1, (void **)&data) == SUCCESS)
{
MSGPACK_CONVERT_UPDATE_PROPERTY(ht, priv_name, prop_name_len + 1, val, var);
}
/* protected */
zend_mangle_property_name(
&prot_name, &prop_name_len, "*", 1, key, key_len - 1, 1);
if (zend_hash_find(
ht, prot_name, prop_name_len + 1, (void **)&data) == SUCCESS)
{
MSGPACK_CONVERT_UPDATE_PROPERTY(ht, prot_name, prop_name_len + 1, val, var);
}
/* public */
MSGPACK_CONVERT_UPDATE_PROPERTY(ht, key, key_len, val, var);
return FAILURE;
}
int msgpack_convert_array(zval *return_value, zval *tpl, zval **value)
{
TSRMLS_FETCH();
if (Z_TYPE_P(tpl) == IS_ARRAY)
{
char *key;
uint key_len;
int key_type;
ulong key_index;
zval **data, **arydata;
HashPosition pos, valpos;
HashTable *ht, *htval;
int num;
ht = HASH_OF(tpl);
// TODO: maybe need to release memory?
array_init(return_value);
num = zend_hash_num_elements(ht);
if (num <= 0)
{
MSGPACK_WARNING(
"[msgpack] (%s) template array length is 0",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
/* string */
if (ht->nNumOfElements != ht->nNextFreeElement)
{
htval = HASH_OF(*value);
if (!htval)
{
MSGPACK_WARNING(
"[msgpack] (%s) input data is not array",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
zend_hash_internal_pointer_reset_ex(ht, &pos);
zend_hash_internal_pointer_reset_ex(htval, &valpos);
for (;; zend_hash_move_forward_ex(ht, &pos),
zend_hash_move_forward_ex(htval, &valpos))
{
key_type = zend_hash_get_current_key_ex(
ht, &key, &key_len, &key_index, 0, &pos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
break;
}
if (zend_hash_get_current_data_ex(
ht, (void *)&data, &pos) != SUCCESS)
{
continue;
}
if (key_type == HASH_KEY_IS_STRING)
{
int (*convert_function)(zval *, zval *, zval **) = NULL;
zval **dataval, *val;
switch (Z_TYPE_PP(data))
{
case IS_ARRAY:
convert_function = msgpack_convert_array;
break;
case IS_OBJECT:
// case IS_STRING:
convert_function = msgpack_convert_object;
break;
default:
break;
}
if (zend_hash_get_current_data_ex(
htval, (void *)&dataval, &valpos) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) can't get data",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
MSGPACK_CONVERT_COPY_ZVAL(val, dataval);
if (convert_function)
{
zval *rv;
ALLOC_INIT_ZVAL(rv);
if (convert_function(rv, *data, &val) != SUCCESS)
{
zval_ptr_dtor(&val);
return FAILURE;
}
add_assoc_zval_ex(return_value, key, key_len, rv);
}
else
{
add_assoc_zval_ex(return_value, key, key_len, val);
}
}
}
zval_ptr_dtor(value);
return SUCCESS;
}
else
{
/* index */
int (*convert_function)(zval *, zval *, zval **) = NULL;
if (Z_TYPE_PP(value) != IS_ARRAY)
{
MSGPACK_WARNING(
"[msgpack] (%s) unserialized data must be array.",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
zend_hash_internal_pointer_reset_ex(ht, &pos);
key_type = zend_hash_get_current_key_ex(
ht, &key, &key_len, &key_index, 0, &pos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
MSGPACK_WARNING(
"[msgpack] (%s) first element in template array is empty",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
if (zend_hash_get_current_data_ex(
ht, (void *)&data, &pos) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) invalid template: empty array?",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
switch (Z_TYPE_PP(data))
{
case IS_ARRAY:
convert_function = msgpack_convert_array;
break;
case IS_OBJECT:
case IS_STRING:
convert_function = msgpack_convert_object;
break;
default:
break;
}
htval = HASH_OF(*value);
num = zend_hash_num_elements(htval);
if (num <= 0)
{
MSGPACK_WARNING(
"[msgpack] (%s) array length is 0 in unserialized data",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
zend_hash_internal_pointer_reset_ex(htval, &valpos);
for (;; zend_hash_move_forward_ex(htval, &valpos))
{
key_type = zend_hash_get_current_key_ex(
htval, &key, &key_len, &key_index, 0, &valpos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
break;
}
if (zend_hash_get_current_data_ex(
htval, (void *)&arydata, &valpos) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) can't get next data in indexed array",
__FUNCTION__);
continue;
}
switch (key_type)
{
case HASH_KEY_IS_LONG:
{
zval *aryval, *rv;
ALLOC_INIT_ZVAL(rv);
MSGPACK_CONVERT_COPY_ZVAL(aryval, arydata);
if (convert_function)
{
if (convert_function(rv, *data, &aryval) != SUCCESS)
{
zval_ptr_dtor(&aryval);
MSGPACK_WARNING(
"[msgpack] (%s) "
"convert failure in HASH_KEY_IS_LONG "
"in indexed array",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
add_next_index_zval(return_value, rv);
}
else
{
add_next_index_zval(return_value, aryval);
}
break;
}
case HASH_KEY_IS_STRING:
MSGPACK_WARNING(
"[msgpack] (%s) key is string",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
default:
MSGPACK_WARNING(
"[msgpack] (%s) key is not string nor array",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
}
zval_ptr_dtor(value);
return SUCCESS;
}
}
else
{
// shouldn't reach
MSGPACK_WARNING(
"[msgpack] (%s) template is not array",
__FUNCTION__);
zval_ptr_dtor(value);
return FAILURE;
}
// shouldn't reach
zval_ptr_dtor(value);
return FAILURE;
}
int msgpack_convert_object(zval *return_value, zval *tpl, zval **value)
{
zend_class_entry *ce, **pce;
TSRMLS_FETCH();
switch (Z_TYPE_P(tpl))
{
case IS_STRING:
if (zend_lookup_class(
Z_STRVAL_P(tpl), Z_STRLEN_P(tpl),
&pce TSRMLS_CC) != SUCCESS)
{
MSGPACK_ERROR("[msgpack] (%s) Class '%s' not found",
__FUNCTION__, Z_STRVAL_P(tpl));
return FAILURE;
}
ce = *pce;
break;
case IS_OBJECT:
ce = zend_get_class_entry(tpl TSRMLS_CC);
break;
default:
MSGPACK_ERROR("[msgpack] (%s) object type is unsupported",
__FUNCTION__);
return FAILURE;
}
if (Z_TYPE_PP(value) == IS_OBJECT)
{
zend_class_entry *vce;
vce = zend_get_class_entry(*value TSRMLS_CC);
if (strcmp(ce->name, vce->name) == 0)
{
*return_value = **value;
zval_copy_ctor(return_value);
zval_ptr_dtor(value);
return SUCCESS;
}
}
object_init_ex(return_value, ce);
/* Run the constructor if there is one */
if (ce->constructor
&& (ce->constructor->common.fn_flags & ZEND_ACC_PUBLIC))
{
zval *retval_ptr = NULL;
zval ***params = NULL;
int num_args = 0;
zend_fcall_info fci;
zend_fcall_info_cache fcc;
#if ZEND_MODULE_API_NO >= 20090626
fci.size = sizeof(fci);
fci.function_table = EG(function_table);
fci.function_name = NULL;
fci.symbol_table = NULL;
fci.object_ptr = return_value;
fci.retval_ptr_ptr = &retval_ptr;
fci.param_count = num_args;
fci.params = params;
fci.no_separation = 1;
fcc.initialized = 1;
fcc.function_handler = ce->constructor;
fcc.calling_scope = EG(scope);
fcc.called_scope = Z_OBJCE_P(return_value);
fcc.object_ptr = return_value;
#else
fci.size = sizeof(fci);
fci.function_table = EG(function_table);
fci.function_name = NULL;
fci.symbol_table = NULL;
fci.object_pp = &return_value;
fci.retval_ptr_ptr = &retval_ptr;
fci.param_count = num_args;
fci.params = params;
fci.no_separation = 1;
fcc.initialized = 1;
fcc.function_handler = ce->constructor;
fcc.calling_scope = EG(scope);
fcc.object_pp = &return_value;
#endif
if (zend_call_function(&fci, &fcc TSRMLS_CC) == FAILURE)
{
if (params)
{
efree(params);
}
if (retval_ptr)
{
zval_ptr_dtor(&retval_ptr);
}
MSGPACK_WARNING(
"[msgpack] (%s) Invocation of %s's constructor failed",
__FUNCTION__, ce->name);
return FAILURE;
}
if (retval_ptr)
{
zval_ptr_dtor(&retval_ptr);
}
if (params)
{
efree(params);
}
}
switch (Z_TYPE_PP(value))
{
case IS_ARRAY:
{
char *key;
uint key_len;
int key_type;
ulong key_index;
zval **data;
HashPosition pos;
HashTable *ht, *ret;
HashTable *var = NULL;
int num;
ht = HASH_OF(*value);
ret = HASH_OF(return_value);
num = zend_hash_num_elements(ht);
if (num <= 0)
{
zval_ptr_dtor(value);
break;
}
/* string - php_only mode? */
if (ht->nNumOfElements != ht->nNextFreeElement
|| ht->nNumOfElements != ret->nNumOfElements)
{
HashTable *properties = NULL;
HashPosition prop_pos;
ALLOC_HASHTABLE(var);
zend_hash_init(var, num, NULL, NULL, 0);
zend_hash_internal_pointer_reset_ex(ht, &pos);
for (;; zend_hash_move_forward_ex(ht, &pos))
{
key_type = zend_hash_get_current_key_ex(
ht, &key, &key_len, &key_index, 0, &pos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
break;
}
if (zend_hash_get_current_data_ex(
ht, (void *)&data, &pos) != SUCCESS)
{
continue;
}
if (key_type == HASH_KEY_IS_STRING)
{
zval *val;
MSGPACK_CONVERT_COPY_ZVAL(val, data);
if (msgpack_convert_string_to_properties(
return_value, key, key_len, val, var) != SUCCESS)
{
zval_ptr_dtor(&val);
MSGPACK_WARNING(
"[msgpack] (%s) "
"illegal offset type, skip this decoding",
__FUNCTION__);
}
}
}
/* index */
properties = Z_OBJ_HT_P(return_value)->get_properties(
return_value TSRMLS_CC);
if (HASH_OF(tpl))
{
properties = HASH_OF(tpl);
}
zend_hash_internal_pointer_reset_ex(properties, &prop_pos);
zend_hash_internal_pointer_reset_ex(ht, &pos);
for (;; zend_hash_move_forward_ex(ht, &pos))
{
key_type = zend_hash_get_current_key_ex(
ht, &key, &key_len, &key_index, 0, &pos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
break;
}
if (zend_hash_get_current_data_ex(
ht, (void *)&data, &pos) != SUCCESS)
{
continue;
}
switch (key_type)
{
case HASH_KEY_IS_LONG:
{
zval *val;
MSGPACK_CONVERT_COPY_ZVAL(val, data);
if (msgpack_convert_long_to_properties(
ret, &properties, &prop_pos,
key_index, val, var) != SUCCESS)
{
zval_ptr_dtor(&val);
MSGPACK_WARNING(
"[msgpack] (%s) "
"illegal offset type, skip this decoding",
__FUNCTION__);
}
break;
}
case HASH_KEY_IS_STRING:
break;
default:
MSGPACK_WARNING(
"[msgpack] (%s) key is not string nor array",
__FUNCTION__);
break;
}
}
zend_hash_destroy(var);
FREE_HASHTABLE(var);
}
else
{
HashPosition valpos;
int (*convert_function)(zval *, zval *, zval **) = NULL;
zval **arydata, *aryval;
/* index */
zend_hash_internal_pointer_reset_ex(ret, &pos);
zend_hash_internal_pointer_reset_ex(ht, &valpos);
for (;; zend_hash_move_forward_ex(ret, &pos),
zend_hash_move_forward_ex(ht, &valpos))
{
key_type = zend_hash_get_current_key_ex(
ret, &key, &key_len, &key_index, 0, &pos);
if (key_type == HASH_KEY_NON_EXISTANT)
{
break;
}
if (zend_hash_get_current_data_ex(
ret, (void *)&data, &pos) != SUCCESS)
{
continue;
}
switch (Z_TYPE_PP(data))
{
case IS_ARRAY:
convert_function = msgpack_convert_array;
break;
case IS_OBJECT:
//case IS_STRING: -- may have default values of
// class members, so it's not wise to allow
convert_function = msgpack_convert_object;
break;
default:
break;
}
if (zend_hash_get_current_data_ex(
ht, (void *)&arydata, &valpos) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) can't get data value by index",
__FUNCTION__);
return FAILURE;
}
MSGPACK_CONVERT_COPY_ZVAL(aryval, arydata);
if (convert_function)
{
zval *rv;
ALLOC_INIT_ZVAL(rv);
if (convert_function(rv, *data, &aryval) != SUCCESS)
{
zval_ptr_dtor(&aryval);
MSGPACK_WARNING(
"[msgpack] (%s) "
"convert failure in convert_object",
__FUNCTION__);
return FAILURE;
}
zend_symtable_update(
ret, key, key_len, &rv, sizeof(rv), NULL);
}
else
{
zend_symtable_update(
ret, key, key_len, &aryval, sizeof(aryval), NULL);
}
}
}
zval_ptr_dtor(value);
break;
}
default:
{
HashTable *properties = NULL;
HashPosition prop_pos;
properties = Z_OBJ_HT_P(return_value)->get_properties(
return_value TSRMLS_CC);
zend_hash_internal_pointer_reset_ex(properties, &prop_pos);
if (msgpack_convert_long_to_properties(
HASH_OF(return_value), &properties, &prop_pos,
0, *value, NULL) != SUCCESS)
{
MSGPACK_WARNING(
"[msgpack] (%s) illegal offset type, skip this decoding",
__FUNCTION__);
}
break;
}
}
return SUCCESS;
}
int msgpack_convert_template(zval *return_value, zval *tpl, zval **value)
{
TSRMLS_FETCH();
switch (Z_TYPE_P(tpl))
{
case IS_ARRAY:
return msgpack_convert_array(return_value, tpl, value);
break;
case IS_STRING:
case IS_OBJECT:
return msgpack_convert_object(return_value, tpl, value);
break;
default:
MSGPACK_ERROR("[msgpack] (%s) Template type is unsupported",
__FUNCTION__);
return FAILURE;
}
// shouldn't reach
return FAILURE;
}
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