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php-src/Zend/zend_API.c

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| Andrei Zmievski <andrei@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_execute.h"
#include "zend_API.h"
#include "zend_modules.h"
#include "zend_constants.h"
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
/* these variables are true statics/globals, and have to be mutex'ed on every access */
static int module_count=0;
ZEND_API HashTable module_registry;
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters(int ht, int param_count, ...)
{
void **p;
int arg_count;
va_list ptr;
zval **param, *param_ptr;
TSRMLS_FETCH();
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
if (param_count>arg_count) {
return FAILURE;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval **);
param_ptr = *(p-arg_count);
if (!PZVAL_IS_REF(param_ptr) && param_ptr->refcount>1) {
zval *new_tmp;
ALLOC_ZVAL(new_tmp);
*new_tmp = *param_ptr;
zval_copy_ctor(new_tmp);
INIT_PZVAL(new_tmp);
param_ptr = new_tmp;
((zval *) *(p-arg_count))->refcount--;
*(p-arg_count) = param_ptr;
}
*param = param_ptr;
arg_count--;
}
va_end(ptr);
return SUCCESS;
}
ZEND_API int _zend_get_parameters_array(int ht, int param_count, zval **argument_array TSRMLS_DC)
{
void **p;
int arg_count;
zval *param_ptr;
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
if (param_count>arg_count) {
return FAILURE;
}
while (param_count-->0) {
param_ptr = *(p-arg_count);
if (!PZVAL_IS_REF(param_ptr) && param_ptr->refcount>1) {
zval *new_tmp;
ALLOC_ZVAL(new_tmp);
*new_tmp = *param_ptr;
zval_copy_ctor(new_tmp);
INIT_PZVAL(new_tmp);
param_ptr = new_tmp;
((zval *) *(p-arg_count))->refcount--;
*(p-arg_count) = param_ptr;
}
*(argument_array++) = param_ptr;
arg_count--;
}
return SUCCESS;
}
/* Zend-optimized Extended functions */
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters_ex(int param_count, ...)
{
void **p;
int arg_count;
va_list ptr;
zval ***param;
TSRMLS_FETCH();
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
if (param_count>arg_count) {
return FAILURE;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval ***);
*param = (zval **) p-(arg_count--);
}
va_end(ptr);
return SUCCESS;
}
ZEND_API int _zend_get_parameters_array_ex(int param_count, zval ***argument_array TSRMLS_DC)
{
void **p;
int arg_count;
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
if (param_count>arg_count) {
return FAILURE;
}
while (param_count-->0) {
*(argument_array++) = (zval **) p-(arg_count--);
}
return SUCCESS;
}
ZEND_API void zend_wrong_param_count(TSRMLS_D)
{
zend_error(E_WARNING, "Wrong parameter count for %s()", get_active_function_name(TSRMLS_C));
}
/* Argument parsing API -- andrei */
ZEND_API char *zend_zval_type_name(zval *arg)
{
switch (Z_TYPE_P(arg)) {
case IS_NULL:
return "null";
case IS_LONG:
return "integer";
case IS_DOUBLE:
return "double";
case IS_STRING:
return "string";
case IS_ARRAY:
return "array";
case IS_OBJECT:
return "object";
case IS_BOOL:
return "boolean";
case IS_RESOURCE:
return "resource";
default:
return "unknown";
}
}
ZEND_API zend_class_entry *zend_get_class_entry(zval *zobject TSRMLS_DC)
{
if (Z_OBJ_HT_P(zobject)->get_class_entry) {
return Z_OBJ_HT_P(zobject)->get_class_entry(zobject TSRMLS_CC);
} else {
zend_error(E_ERROR, "Class entry requested for an object without PHP class");
return NULL;
}
}
static char *zend_parse_arg_impl(zval **arg, va_list *va, char **spec TSRMLS_DC)
{
char *spec_walk = *spec;
char c = *spec_walk++;
int return_null = 0;
while (*spec_walk == '/' || *spec_walk == '!') {
if (*spec_walk == '/') {
SEPARATE_ZVAL_IF_NOT_REF(arg);
} else if (*spec_walk == '!' && Z_TYPE_PP(arg) == IS_NULL) {
return_null = 1;
}
spec_walk++;
}
switch (c) {
case 'l':
{
long *p = va_arg(*va, long *);
switch (Z_TYPE_PP(arg)) {
case IS_STRING:
{
double d;
int type;
if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), p, &d, 0)) == 0) {
return "long";
} else if (type == IS_DOUBLE) {
*p = (long) d;
}
}
break;
case IS_NULL:
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
convert_to_long_ex(arg);
*p = Z_LVAL_PP(arg);
break;
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
default:
return "long";
}
}
break;
case 'd':
{
double *p = va_arg(*va, double *);
switch (Z_TYPE_PP(arg)) {
case IS_STRING:
{
long l;
int type;
if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &l, p, 0)) == 0) {
return "double";
} else if (type == IS_LONG) {
*p = (double) l;
}
}
break;
case IS_NULL:
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
convert_to_double_ex(arg);
*p = Z_DVAL_PP(arg);
break;
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
default:
return "double";
}
}
break;
case 's':
{
char **p = va_arg(*va, char **);
int *pl = va_arg(*va, int *);
switch (Z_TYPE_PP(arg)) {
case IS_NULL:
if (return_null) {
*p = NULL;
*pl = 0;
break;
}
/* break omitted intentionally */
case IS_STRING:
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
convert_to_string_ex(arg);
*p = Z_STRVAL_PP(arg);
*pl = Z_STRLEN_PP(arg);
break;
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
default:
return "string";
}
}
break;
case 'b':
{
zend_bool *p = va_arg(*va, zend_bool *);
switch (Z_TYPE_PP(arg)) {
case IS_NULL:
case IS_STRING:
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
convert_to_boolean_ex(arg);
*p = Z_BVAL_PP(arg);
break;
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
default:
return "boolean";
}
}
break;
case 'r':
{
zval **p = va_arg(*va, zval **);
if (Z_TYPE_PP(arg) != IS_RESOURCE) {
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
return "resource";
}
} else
*p = *arg;
}
break;
case 'a':
{
zval **p = va_arg(*va, zval **);
if (Z_TYPE_PP(arg) != IS_ARRAY) {
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
return "array";
}
} else
*p = *arg;
}
break;
case 'o':
{
zval **p = va_arg(*va, zval **);
if (Z_TYPE_PP(arg) != IS_OBJECT) {
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
return "object";
}
} else
*p = *arg;
}
break;
case 'O':
{
zval **p = va_arg(*va, zval **);
zend_class_entry *ce = va_arg(*va, zend_class_entry *);
if (Z_TYPE_PP(arg) == IS_OBJECT &&
(!ce || instanceof_function(Z_OBJCE_PP(arg), ce TSRMLS_CC))) {
*p = *arg;
} else {
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
return ce->name;
}
}
}
break;
case 'z':
{
zval **p = va_arg(*va, zval **);
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
*p = *arg;
}
}
break;
case 'Z':
{
zval ***p = va_arg(*va, zval ***);
if (Z_TYPE_PP(arg) == IS_NULL && return_null) {
*p = NULL;
} else {
*p = arg;
}
}
break;
default:
return "unknown";
}
*spec = spec_walk;
return NULL;
}
static int zend_parse_arg(int arg_num, zval **arg, va_list *va, char **spec, int quiet TSRMLS_DC)
{
char *expected_type = NULL;
expected_type = zend_parse_arg_impl(arg, va, spec TSRMLS_CC);
if (expected_type) {
if (!quiet) {
zend_error(E_WARNING, "%s() expects parameter %d to be %s, %s given",
get_active_function_name(TSRMLS_C), arg_num, expected_type,
zend_zval_type_name(*arg));
}
return FAILURE;
}
return SUCCESS;
}
static int zend_parse_va_args(int num_args, char *type_spec, va_list *va, int flags TSRMLS_DC)
{
char *spec_walk;
int c, i;
int min_num_args = -1;
int max_num_args = 0;
zval **arg;
void **p;
int arg_count;
int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
for (spec_walk = type_spec; *spec_walk; spec_walk++) {
c = *spec_walk;
switch (c) {
case 'l': case 'd':
case 's': case 'b':
case 'r': case 'a':
case 'o': case 'O':
case 'z': case 'Z':
max_num_args++;
break;
case '|':
min_num_args = max_num_args;
break;
case '/':
case '!':
/* Pass */
break;
default:
if (!quiet) {
zend_function *active_function = EG(function_state_ptr)->function;
char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters",
class_name,
class_name[0] ? "::" : "",
get_active_function_name(TSRMLS_C));
}
return FAILURE;
}
}
if (min_num_args < 0) {
min_num_args = max_num_args;
}
if (num_args < min_num_args || num_args > max_num_args) {
if (!quiet) {
zend_function *active_function = EG(function_state_ptr)->function;
char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
class_name,
class_name[0] ? "::" : "",
get_active_function_name(TSRMLS_C),
min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
num_args < min_num_args ? min_num_args : max_num_args,
(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
num_args);
}
return FAILURE;
}
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
if (num_args > arg_count) {
zend_error(E_WARNING, "%s(): could not obtain parameters for parsing",
get_active_function_name(TSRMLS_C));
return FAILURE;
}
i = 0;
while (num_args-- > 0) {
arg = (zval **) p - (arg_count-i);
if (*type_spec == '|') {
type_spec++;
}
if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) {
return FAILURE;
}
i++;
}
return SUCCESS;
}
ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, char *type_spec, ...)
{
va_list va;
int retval;
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
va_end(va);
return retval;
}
ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, char *type_spec, ...)
{
va_list va;
int retval;
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
va_end(va);
return retval;
}
ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...)
{
va_list va;
int retval;
char *p = type_spec;
zval **object;
zend_class_entry *ce;
if (!this_ptr) {
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
va_end(va);
} else {
p++;
va_start(va, type_spec);
object = va_arg(va, zval **);
ce = va_arg(va, zend_class_entry *);
*object = this_ptr;
if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
}
retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC);
va_end(va);
}
return retval;
}
ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, zend_class_entry *ce, void **object, ...)
{
void **arg_stack = EG(argument_stack).top_element;
va_list va;
int retval;
int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
*object = this_ptr;
if (!*object) {
zval **parameter;
if (zend_get_parameters_ex(1, &parameter) != SUCCESS) {
if (!quiet) {
zend_error(E_WARNING, "%s() expects an object of class %s as first parameter, none was given",
get_active_function_name(TSRMLS_C), ce->name);
}
return FAILURE;
} else {
if (Z_TYPE_PP(parameter) == IS_OBJECT &&
instanceof_function(Z_OBJCE_PP(parameter), ce TSRMLS_CC)) {
*object = *parameter;
} else {
if (!quiet) {
zend_error(E_WARNING, "%s() expects parameter 1 to be %s, %s given",
get_active_function_name(TSRMLS_C), ce->name,
zend_zval_type_name(*parameter));
}
return FAILURE;
}
EG(argument_stack).top_element++;
}
}
va_start(va, object);
retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
va_end(va);
EG(argument_stack).top_element = arg_stack;
return retval;
}
/* Argument parsing API -- andrei */
ZEND_API int _array_init(zval *arg ZEND_FILE_LINE_DC)
{
ALLOC_HASHTABLE_REL(arg->value.ht);
_zend_hash_init(arg->value.ht, 0, NULL, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
arg->type = IS_ARRAY;
return SUCCESS;
}
ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC TSRMLS_DC)
{
zval *tmp;
zend_object *object;
if (!class_type->constants_updated) {
zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
zend_hash_apply_with_argument(class_type->static_members, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
class_type->constants_updated = 1;
}
arg->type = IS_OBJECT;
if (class_type->create_object == NULL) {
arg->value.obj = zend_objects_new(&object, class_type TSRMLS_CC);
if (properties) {
object->properties = properties;
} else {
ALLOC_HASHTABLE_REL(object->properties);
zend_hash_init(object->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(object->properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
}
} else {
arg->value.obj = class_type->create_object(class_type TSRMLS_CC);
}
return SUCCESS;
}
ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC TSRMLS_DC)
{
return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
}
ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC TSRMLS_DC)
{
return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
}
ZEND_API int add_assoc_function(zval *arg, char *key, void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS))
{
zend_error(E_WARNING, "add_assoc_function() is no longer supported");
return FAILURE;
}
ZEND_API int add_assoc_long_ex(zval *arg, char *key, uint key_len, long n)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_LONG(tmp, n);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_null_ex(zval *arg, char *key, uint key_len)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_NULL(tmp);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_bool_ex(zval *arg, char *key, uint key_len, int b)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_BOOL(tmp, b);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_resource_ex(zval *arg, char *key, uint key_len, int r)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_RESOURCE(tmp, r);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_double_ex(zval *arg, char *key, uint key_len, double d)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_DOUBLE(tmp, d);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_string_ex(zval *arg, char *key, uint key_len, char *str, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_stringl_ex(zval *arg, char *key, uint key_len, char *str, uint length, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_assoc_zval_ex(zval *arg, char *key, uint key_len, zval *value)
{
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL);
}
ZEND_API int add_index_long(zval *arg, uint index, long n)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_LONG(tmp, n);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_null(zval *arg, uint index)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_NULL(tmp);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_bool(zval *arg, uint index, int b)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_BOOL(tmp, b);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_resource(zval *arg, uint index, int r)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_RESOURCE(tmp, r);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_double(zval *arg, uint index, double d)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_DOUBLE(tmp, d);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_string(zval *arg, uint index, char *str, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_stringl(zval *arg, uint index, char *str, uint length, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_index_zval(zval *arg, uint index, zval *value)
{
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &value, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_long(zval *arg, long n)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_LONG(tmp, n);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_null(zval *arg)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_NULL(tmp);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_bool(zval *arg, int b)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_BOOL(tmp, b);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_resource(zval *arg, int r)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_RESOURCE(tmp, r);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_double(zval *arg, double d)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_DOUBLE(tmp, d);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_string(zval *arg, char *str, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_stringl(zval *arg, char *str, uint length, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
}
ZEND_API int add_next_index_zval(zval *arg, zval *value)
{
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &value, sizeof(zval *), NULL);
}
ZEND_API int add_get_assoc_string_ex(zval *arg, char *key, uint key_len, char *str, void **dest, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_get_assoc_stringl_ex(zval *arg, char *key, uint key_len, char *str, uint length, void **dest, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_get_index_long(zval *arg, uint index, long l, void **dest)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_LONG(tmp, l);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_get_index_double(zval *arg, uint index, double d, void **dest)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_DOUBLE(tmp, d);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_get_index_string(zval *arg, uint index, char *str, void **dest, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_get_index_stringl(zval *arg, uint index, char *str, uint length, void **dest, int duplicate)
{
zval *tmp;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
}
ZEND_API int add_property_long_ex(zval *arg, char *key, uint key_len, long n TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_LONG(tmp, n);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_bool_ex(zval *arg, char *key, uint key_len, int b TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_BOOL(tmp, b);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_null_ex(zval *arg, char *key, uint key_len TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_NULL(tmp);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_resource_ex(zval *arg, char *key, uint key_len, long n TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_RESOURCE(tmp, n);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_double_ex(zval *arg, char *key, uint key_len, double d TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_DOUBLE(tmp, d);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_string_ex(zval *arg, char *key, uint key_len, char *str, int duplicate TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_STRING(tmp, str, duplicate);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_stringl_ex(zval *arg, char *key, uint key_len, char *str, uint length, int duplicate TSRMLS_DC)
{
zval *tmp;
zval z_key;
MAKE_STD_ZVAL(tmp);
ZVAL_STRINGL(tmp, str, length, duplicate);
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
return SUCCESS;
}
ZEND_API int add_property_zval_ex(zval *arg, char *key, uint key_len, zval *value TSRMLS_DC)
{
zval z_key;
ZVAL_STRINGL(&z_key, key, key_len-1, 0);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value TSRMLS_CC);
return SUCCESS;
}
ZEND_API int zend_startup_module(zend_module_entry *module)
{
if (module) {
module->module_number = zend_next_free_module();
if (module->module_startup_func) {
TSRMLS_FETCH();
if (module->module_startup_func(MODULE_PERSISTENT, module->module_number TSRMLS_CC)==FAILURE) {
zend_error(E_CORE_ERROR,"Unable to start %s module", module->name);
return FAILURE;
}
}
module->type = MODULE_PERSISTENT;
zend_register_module(module);
}
return SUCCESS;
}
/* registers all functions in *library_functions in the function hash */
int zend_register_functions(zend_class_entry *scope, zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC)
{
zend_function_entry *ptr = functions;
zend_function function, *reg_function;
zend_internal_function *internal_function = (zend_internal_function *)&function;
int count=0, unload=0;
HashTable *target_function_table = function_table;
int error_type;
zend_function *ctor = NULL, *dtor = NULL, *clone = NULL;
char *lowercase_name;
int fname_len;
if (type==MODULE_PERSISTENT) {
error_type = E_CORE_WARNING;
} else {
error_type = E_WARNING;
}
if (!target_function_table) {
target_function_table = CG(function_table);
}
internal_function->type = ZEND_INTERNAL_FUNCTION;
while (ptr->fname) {
internal_function->handler = ptr->handler;
internal_function->function_name = ptr->fname;
internal_function->scope = scope;
internal_function->prototype = NULL;
if (ptr->arg_info) {
internal_function->arg_info = ptr->arg_info+1;
internal_function->num_args = ptr->num_args;
internal_function->pass_rest_by_reference = ptr->arg_info[0].pass_by_reference;
} else {
internal_function->arg_info = NULL;
internal_function->num_args = 0;
internal_function->pass_rest_by_reference = 0;
}
if (ptr->flags) {
if (!(ptr->flags & ZEND_ACC_PPP_MASK)) {
zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
}
internal_function->fn_flags = ptr->flags;
} else {
internal_function->fn_flags = ZEND_ACC_PUBLIC;
}
if (ptr->flags&ZEND_ACC_ABSTRACT) {
if (scope) {
scope->ce_flags |= ZEND_ACC_ABSTRACT;
}
} else {
if (!internal_function->handler) {
zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
return FAILURE;
}
}
fname_len = strlen(ptr->fname);
lowercase_name = do_alloca(fname_len+1);
zend_str_tolower_copy(lowercase_name, ptr->fname, fname_len);
if (zend_hash_add(target_function_table, lowercase_name, fname_len+1, &function, sizeof(zend_function), (void**)&reg_function) == FAILURE) {
unload=1;
free_alloca(lowercase_name);
break;
}
if (scope) {
/* Look for ctor, dtor, clone
* If it's an old-style constructor, store it only if we don't have
* a constructor already.
*/
if (!strcmp(ptr->fname, scope->name) && !ctor) {
ctor = reg_function;
} else if (!strcmp(ptr->fname, ZEND_CONSTRUCTOR_FUNC_NAME)) {
ctor = reg_function;
} else if (!strcmp(ptr->fname, ZEND_DESTRUCTOR_FUNC_NAME)) {
dtor = reg_function;
} else if (!strcmp(ptr->fname, ZEND_CLONE_FUNC_NAME)) {
clone = reg_function;
}
}
ptr++;
count++;
free_alloca(lowercase_name);
}
if (unload) { /* before unloading, display all remaining bad function in the module */
while (ptr->fname) {
if (zend_hash_exists(target_function_table, ptr->fname, strlen(ptr->fname)+1)) {
zend_error(error_type, "Function registration failed - duplicate name - %s", ptr->fname);
}
ptr++;
}
zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
return FAILURE;
}
if (scope) {
scope->constructor = ctor;
scope->destructor = dtor;
scope->clone = clone;
}
return SUCCESS;
}
/* count=-1 means erase all functions, otherwise,
* erase the first count functions
*/
void zend_unregister_functions(zend_function_entry *functions, int count, HashTable *function_table TSRMLS_DC)
{
zend_function_entry *ptr = functions;
int i=0;
HashTable *target_function_table = function_table;
if (!target_function_table) {
target_function_table = CG(function_table);
}
while (ptr->fname) {
if (count!=-1 && i>=count) {
break;
}
#if 0
zend_printf("Unregistering %s()\n", ptr->fname);
#endif
zend_hash_del(target_function_table, ptr->fname, strlen(ptr->fname)+1);
ptr++;
i++;
}
}
ZEND_API int zend_register_module(zend_module_entry *module)
{
TSRMLS_FETCH();
#if 0
zend_printf("%s: Registering module %d\n", module->name, module->module_number);
#endif
if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) {
zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
return FAILURE;
}
module->module_started=1;
return zend_hash_add(&module_registry, module->name, strlen(module->name)+1, (void *)module, sizeof(zend_module_entry), NULL);
}
void module_destructor(zend_module_entry *module)
{
TSRMLS_FETCH();
if (module->type == MODULE_TEMPORARY) {
zend_clean_module_rsrc_dtors(module->module_number TSRMLS_CC);
clean_module_constants(module->module_number TSRMLS_CC);
if (module->request_shutdown_func) {
module->request_shutdown_func(module->type, module->module_number TSRMLS_CC);
}
}
if (module->module_started && module->module_shutdown_func) {
#if 0
zend_printf("%s: Module shutdown\n", module->name);
#endif
module->module_shutdown_func(module->type, module->module_number TSRMLS_CC);
}
module->module_started=0;
if (module->functions) {
zend_unregister_functions(module->functions, -1, NULL TSRMLS_CC);
}
#if HAVE_LIBDL
if (module->handle) {
dlclose(module->handle);
}
#endif
}
/* call request startup for all modules */
int module_registry_request_startup(zend_module_entry *module TSRMLS_DC)
{
if (module->request_startup_func) {
#if 0
zend_printf("%s: Request startup\n", module->name);
#endif
if (module->request_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
exit(1);
}
}
return 0;
}
/* for persistent modules - call request shutdown and flag NOT to erase
* for temporary modules - do nothing, and flag to erase
*/
int module_registry_cleanup(zend_module_entry *module TSRMLS_DC)
{
switch (module->type) {
case MODULE_PERSISTENT:
if (module->request_shutdown_func) {
#if 0
zend_printf("%s: Request shutdown\n", module->name);
#endif
module->request_shutdown_func(module->type, module->module_number TSRMLS_CC);
}
return 0;
break;
case MODULE_TEMPORARY:
return 1;
break;
}
return 0;
}
/* return the next free module number */
int zend_next_free_module(void)
{
return ++module_count;
}
/* If parent_ce is not NULL then it inherits from parent_ce
* If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it
* If both parent_ce and parent_name are NULL it does a regular class registration
* If parent_name is specified but not found NULL is returned
*/
ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce, char *parent_name TSRMLS_DC)
{
zend_class_entry *register_class;
if (!parent_ce && parent_name) {
zend_class_entry **pce;
if (zend_hash_find(CG(class_table), parent_name, strlen(parent_name)+1, (void **) &pce)==FAILURE) {
return NULL;
} else {
parent_ce = *pce;
}
}
register_class = zend_register_internal_class(class_entry TSRMLS_CC);
if (parent_ce) {
zend_do_inheritance(register_class, parent_ce);
}
return register_class;
}
ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry TSRMLS_DC)
{
zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
char *lowercase_name = malloc(orig_class_entry->name_length + 1);
*class_entry = *orig_class_entry;
class_entry->type = ZEND_INTERNAL_CLASS;
zend_initialize_class_data(class_entry, 0 TSRMLS_CC);
if (class_entry->builtin_functions) {
zend_register_functions(class_entry, class_entry->builtin_functions, &class_entry->function_table, MODULE_PERSISTENT TSRMLS_CC);
}
zend_str_tolower_copy(lowercase_name, orig_class_entry->name, class_entry->name_length);
zend_hash_update(CG(class_table), lowercase_name, class_entry->name_length+1, &class_entry, sizeof(zend_class_entry *), NULL);
free(lowercase_name);
return class_entry;
}
ZEND_API int zend_set_hash_symbol(zval *symbol, char *name, int name_length,
zend_bool is_ref, int num_symbol_tables, ...)
{
HashTable *symbol_table;
va_list symbol_table_list;
if (num_symbol_tables <= 0) return FAILURE;
symbol->is_ref = is_ref;
va_start(symbol_table_list, num_symbol_tables);
while (num_symbol_tables-- > 0) {
symbol_table = va_arg(symbol_table_list, HashTable *);
zend_hash_update(symbol_table, name, name_length + 1, &symbol, sizeof(zval *), NULL);
zval_add_ref(&symbol);
}
va_end(symbol_table_list);
return SUCCESS;
}
/* Disabled functions support */
ZEND_API ZEND_FUNCTION(display_disabled_function)
{
zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name(TSRMLS_C));
}
static zend_function_entry disabled_function[] = {
ZEND_FE(display_disabled_function, NULL)
{ NULL, NULL, NULL }
};
ZEND_API int zend_disable_function(char *function_name, uint function_name_length TSRMLS_DC)
{
if (zend_hash_del(CG(function_table), function_name, function_name_length+1)==FAILURE) {
return FAILURE;
}
disabled_function[0].fname = function_name;
return zend_register_functions(NULL, disabled_function, CG(function_table), MODULE_PERSISTENT TSRMLS_CC);
}
static zend_object_value display_disabled_class(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
zend_object *intern;
retval = zend_objects_new(&intern, class_type TSRMLS_CC);
ALLOC_HASHTABLE(intern->properties);
zend_hash_init(intern->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_error(E_WARNING, "%s() has been disabled for security reasons", class_type->name);
return retval;
}
static zend_function_entry disabled_class_new[] = {
{ NULL, NULL, NULL }
};
ZEND_API int zend_disable_class(char *class_name, uint class_name_length TSRMLS_DC)
{
zend_class_entry *disabled_class;
disabled_class = (zend_class_entry *) emalloc(sizeof(zend_class_entry));
zend_str_tolower(class_name, class_name_length);
if (zend_hash_del(CG(class_table), class_name, class_name_length+1)==FAILURE) {
return FAILURE;
}
INIT_CLASS_ENTRY((*disabled_class), class_name, disabled_class_new);
disabled_class->create_object = display_disabled_class;
zend_register_internal_class(disabled_class TSRMLS_CC);
return 1;
}
zend_bool zend_is_callable(zval *callable, zend_bool syntax_only, char **callable_name)
{
char *lcname;
zend_bool retval = 0;
TSRMLS_FETCH();
switch (Z_TYPE_P(callable)) {
case IS_STRING:
if (callable_name)
*callable_name = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable));
if (syntax_only)
return 1;
lcname = zend_str_tolower_dup(Z_STRVAL_P(callable), Z_STRLEN_P(callable));
if (zend_hash_exists(EG(function_table), lcname, Z_STRLEN_P(callable)+1))
retval = 1;
efree(lcname);
break;
case IS_ARRAY:
{
zval **method;
zval **obj;
zend_class_entry *ce = NULL, **pce;
zend_uint callable_name_len;
if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2 &&
zend_hash_index_find(Z_ARRVAL_P(callable), 0, (void **) &obj) == SUCCESS &&
zend_hash_index_find(Z_ARRVAL_P(callable), 1, (void **) &method) == SUCCESS &&
(Z_TYPE_PP(obj) == IS_OBJECT || Z_TYPE_PP(obj) == IS_STRING) &&
Z_TYPE_PP(method) == IS_STRING) {
if (Z_TYPE_PP(obj) == IS_STRING) {
if (callable_name) {
char *ptr;
callable_name_len = Z_STRLEN_PP(obj) + Z_STRLEN_PP(method) + sizeof("::");
ptr = *callable_name = emalloc(callable_name_len);
memcpy(ptr, Z_STRVAL_PP(obj), Z_STRLEN_PP(obj));
ptr += Z_STRLEN_PP(obj);
memcpy(ptr, "::", sizeof("::") - 1);
ptr += sizeof("::") - 1;
memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
}
if (syntax_only)
return 1;
lcname = zend_str_tolower_dup(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj));
if (EG(active_op_array) && strcmp(lcname, "self") == 0) {
ce = EG(active_op_array)->scope;
} else if (strcmp(lcname, "parent") == 0 && EG(active_op_array) && EG(active_op_array)->scope) {
ce = EG(active_op_array)->scope->parent;
} else if (zend_lookup_class(lcname, Z_STRLEN_PP(obj), &pce TSRMLS_CC) == SUCCESS) {
ce = *pce;
}
efree(lcname);
} else {
ce = Z_OBJCE_PP(obj); /* ??? */
if (callable_name) {
char *ptr;
callable_name_len = ce->name_length + Z_STRLEN_PP(method) + sizeof("::");
ptr = *callable_name = emalloc(callable_name_len);
memcpy(ptr, ce->name, ce->name_length);
ptr += ce->name_length;
memcpy(ptr, "::", sizeof("::") - 1);
ptr += sizeof("::") - 1;
memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
}
if (syntax_only)
return 1;
}
if (ce) {
lcname = zend_str_tolower_dup(Z_STRVAL_PP(method), Z_STRLEN_PP(method));
if (zend_hash_exists(&ce->function_table, lcname, Z_STRLEN_PP(method)+1)) {
retval = 1;
}
/* check for __call too */
if (retval == 0 && ce->__call != 0) {
retval = 1;
}
efree(lcname);
}
} else if (callable_name) {
*callable_name = estrndup("Array", sizeof("Array")-1);
}
}
break;
default:
if (callable_name) {
zval expr_copy;
int use_copy;
zend_make_printable_zval(callable, &expr_copy, &use_copy);
*callable_name = estrndup(Z_STRVAL(expr_copy), Z_STRLEN(expr_copy));
zval_dtor(&expr_copy);
}
break;
}
return retval;
}
ZEND_API char *zend_get_module_version(char *module_name)
{
zend_module_entry *module;
if (zend_hash_find(&module_registry, module_name, strlen(module_name) + 1,
(void**)&module) == FAILURE) {
return NULL;
}
return module->version;
}
ZEND_API int zend_declare_property(zend_class_entry *ce, char *name, int name_length, zval *property, int access_type)
{
zend_property_info property_info;
HashTable *target_symbol_table;
if (!(access_type & ZEND_ACC_PPP_MASK)) {
access_type |= ZEND_ACC_PUBLIC;
}
if (access_type & ZEND_ACC_STATIC) {
target_symbol_table = ce->static_members;
} else {
target_symbol_table = &ce->default_properties;
}
switch (access_type & ZEND_ACC_PPP_MASK) {
case ZEND_ACC_PRIVATE: {
char *priv_name;
int priv_name_length;
mangle_property_name(&priv_name, &priv_name_length, ce->name, ce->name_length, name, name_length);
zend_hash_update(target_symbol_table, priv_name, priv_name_length+1, &property, sizeof(zval *), NULL);
property_info.name = priv_name;
property_info.name_length = priv_name_length;
}
break;
case ZEND_ACC_PROTECTED: {
char *prot_name;
int prot_name_length;
mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length);
zend_hash_update(target_symbol_table, prot_name, prot_name_length+1, &property, sizeof(zval *), NULL);
property_info.name = prot_name;
property_info.name_length = prot_name_length;
}
break;
case ZEND_ACC_PUBLIC:
zend_hash_update(target_symbol_table, name, name_length+1, &property, sizeof(zval *), NULL);
property_info.name = estrndup(name, name_length);
property_info.name_length = name_length;
break;
}
property_info.flags = access_type;
property_info.h = zend_get_hash_value(property_info.name, property_info.name_length+1);
zend_hash_update(&ce->properties_info, name, name_length + 1, &property_info, sizeof(zend_property_info), NULL);
return SUCCESS;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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