/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 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 | | Zeev Suraski | | Andrei Zmievski | | Dmitry Stogov | +----------------------------------------------------------------------+ */ #include "zend.h" #include "zend_execute.h" #include "zend_API.h" #include "zend_modules.h" #include "zend_extensions.h" #include "zend_constants.h" #include "zend_interfaces.h" #include "zend_exceptions.h" #include "zend_closures.h" #include "zend_inheritance.h" #include "zend_ini.h" #include /* these variables are true statics/globals, and have to be mutex'ed on every access */ ZEND_API HashTable module_registry; static zend_module_entry **module_request_startup_handlers; static zend_module_entry **module_request_shutdown_handlers; static zend_module_entry **module_post_deactivate_handlers; static zend_class_entry **class_cleanup_handlers; ZEND_API zend_result _zend_get_parameters_array_ex(uint32_t param_count, zval *argument_array) /* {{{ */ { zval *param_ptr; uint32_t arg_count; param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data)); if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { ZVAL_COPY_VALUE(argument_array, param_ptr); argument_array++; param_ptr++; } return SUCCESS; } /* }}} */ ZEND_API zend_result zend_copy_parameters_array(uint32_t param_count, zval *argument_array) /* {{{ */ { zval *param_ptr; uint32_t arg_count; param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data)); if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { Z_TRY_ADDREF_P(param_ptr); zend_hash_next_index_insert_new(Z_ARRVAL_P(argument_array), param_ptr); param_ptr++; } return SUCCESS; } /* }}} */ ZEND_API ZEND_COLD void zend_wrong_param_count(void) /* {{{ */ { const char *space; const char *class_name = get_active_class_name(&space); zend_argument_count_error("Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name()); } /* }}} */ /* Argument parsing API -- andrei */ ZEND_API const char *zend_get_type_by_const(int type) /* {{{ */ { switch(type) { case IS_FALSE: case IS_TRUE: case _IS_BOOL: return "bool"; case IS_LONG: return "int"; case IS_DOUBLE: return "float"; case IS_STRING: return "string"; case IS_OBJECT: return "object"; case IS_RESOURCE: return "resource"; case IS_NULL: return "null"; case IS_CALLABLE: return "callable"; case IS_ITERABLE: return "iterable"; case IS_ARRAY: return "array"; case IS_VOID: return "void"; case IS_MIXED: return "mixed"; case _IS_NUMBER: return "number"; EMPTY_SWITCH_DEFAULT_CASE() } } /* }}} */ ZEND_API const char *zend_zval_type_name(const zval *arg) /* {{{ */ { ZVAL_DEREF(arg); if (Z_ISUNDEF_P(arg)) { return "null"; } if (Z_TYPE_P(arg) == IS_OBJECT) { return ZSTR_VAL(Z_OBJCE_P(arg)->name); } return zend_get_type_by_const(Z_TYPE_P(arg)); } /* }}} */ /* This API exists *only* for use in gettype(). * For anything else, you likely want zend_zval_type_name(). */ ZEND_API zend_string *zend_zval_get_legacy_type(const zval *arg) /* {{{ */ { switch (Z_TYPE_P(arg)) { case IS_NULL: return ZSTR_KNOWN(ZEND_STR_NULL); case IS_FALSE: case IS_TRUE: return ZSTR_KNOWN(ZEND_STR_BOOLEAN); case IS_LONG: return ZSTR_KNOWN(ZEND_STR_INTEGER); case IS_DOUBLE: return ZSTR_KNOWN(ZEND_STR_DOUBLE); case IS_STRING: return ZSTR_KNOWN(ZEND_STR_STRING); case IS_ARRAY: return ZSTR_KNOWN(ZEND_STR_ARRAY); case IS_OBJECT: return ZSTR_KNOWN(ZEND_STR_OBJECT); case IS_RESOURCE: if (zend_rsrc_list_get_rsrc_type(Z_RES_P(arg))) { return ZSTR_KNOWN(ZEND_STR_RESOURCE); } else { return ZSTR_KNOWN(ZEND_STR_CLOSED_RESOURCE); } default: return NULL; } } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_none_error(void) /* {{{ */ { int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data)); zend_string *func_name = get_active_function_or_method_name(); zend_argument_count_error("%s() expects exactly 0 arguments, %d given", ZSTR_VAL(func_name), num_args); zend_string_release(func_name); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_count_error(uint32_t min_num_args, uint32_t max_num_args) /* {{{ */ { uint32_t num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data)); zend_string *func_name = get_active_function_or_method_name(); zend_argument_count_error( "%s() expects %s %d argument%s, %d given", ZSTR_VAL(func_name), 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 ); zend_string_release(func_name); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_error(int error_code, uint32_t num, char *name, zend_expected_type expected_type, zval *arg) /* {{{ */ { switch (error_code) { case ZPP_ERROR_WRONG_CALLBACK: zend_wrong_callback_error(num, name); break; case ZPP_ERROR_WRONG_CALLBACK_OR_NULL: zend_wrong_callback_or_null_error(num, name); break; case ZPP_ERROR_WRONG_CLASS: zend_wrong_parameter_class_error(num, name, arg); break; case ZPP_ERROR_WRONG_CLASS_OR_NULL: zend_wrong_parameter_class_or_null_error(num, name, arg); break; case ZPP_ERROR_WRONG_CLASS_OR_STRING: zend_wrong_parameter_class_or_string_error(num, name, arg); break; case ZPP_ERROR_WRONG_CLASS_OR_STRING_OR_NULL: zend_wrong_parameter_class_or_string_or_null_error(num, name, arg); break; case ZPP_ERROR_WRONG_CLASS_OR_LONG: zend_wrong_parameter_class_or_long_error(num, name, arg); break; case ZPP_ERROR_WRONG_CLASS_OR_LONG_OR_NULL: zend_wrong_parameter_class_or_long_or_null_error(num, name, arg); break; case ZPP_ERROR_WRONG_ARG: zend_wrong_parameter_type_error(num, expected_type, arg); break; case ZPP_ERROR_UNEXPECTED_EXTRA_NAMED: zend_unexpected_extra_named_error(); break; default: ZEND_ASSERT(error_code != ZPP_ERROR_OK); } } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_type_error(uint32_t num, zend_expected_type expected_type, zval *arg) /* {{{ */ { static const char * const expected_error[] = { Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR) NULL }; if (EG(exception)) { return; } if ((expected_type == Z_EXPECTED_PATH || expected_type == Z_EXPECTED_PATH_OR_NULL) && Z_TYPE_P(arg) == IS_STRING) { zend_argument_value_error(num, "must not contain any null bytes"); return; } zend_argument_type_error(num, "must be %s, %s given", expected_error[expected_type], zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type %s, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_or_null_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type ?%s, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_or_long_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type %s|int, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_or_long_or_null_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type %s|int|null, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_or_string_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type %s|string, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_or_string_or_null_error(uint32_t num, const char *name, zval *arg) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be of type %s|string|null, %s given", name, zend_zval_type_name(arg)); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_error(uint32_t num, char *error) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be a valid callback, %s", error); efree(error); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_or_null_error(uint32_t num, char *error) /* {{{ */ { if (EG(exception)) { return; } zend_argument_type_error(num, "must be a valid callback or null, %s", error); efree(error); } /* }}} */ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_unexpected_extra_named_error(void) { const char *space; const char *class_name = get_active_class_name(&space); zend_argument_count_error("%s%s%s() does not accept unknown named parameters", class_name, space, get_active_function_name()); } static ZEND_COLD void ZEND_FASTCALL zend_argument_error_variadic(zend_class_entry *error_ce, uint32_t arg_num, const char *format, va_list va) /* {{{ */ { zend_string *func_name; const char *arg_name; char *message = NULL; if (EG(exception)) { return; } func_name = get_active_function_or_method_name(); arg_name = get_active_function_arg_name(arg_num); zend_vspprintf(&message, 0, format, va); zend_throw_error(error_ce, "%s(): Argument #%d%s%s%s %s", ZSTR_VAL(func_name), arg_num, arg_name ? " ($" : "", arg_name ? arg_name : "", arg_name ? ")" : "", message ); efree(message); zend_string_release(func_name); } /* }}} */ ZEND_API ZEND_COLD void zend_argument_error(zend_class_entry *error_ce, uint32_t arg_num, const char *format, ...) /* {{{ */ { va_list va; va_start(va, format); zend_argument_error_variadic(error_ce, arg_num, format, va); va_end(va); } /* }}} */ ZEND_API ZEND_COLD void zend_argument_type_error(uint32_t arg_num, const char *format, ...) /* {{{ */ { va_list va; va_start(va, format); zend_argument_error_variadic(zend_ce_type_error, arg_num, format, va); va_end(va); } /* }}} */ ZEND_API ZEND_COLD void zend_argument_value_error(uint32_t arg_num, const char *format, ...) /* {{{ */ { va_list va; va_start(va, format); zend_argument_error_variadic(zend_ce_value_error, arg_num, format, va); va_end(va); } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_class(zval *arg, zend_class_entry **pce, uint32_t num, bool check_null) /* {{{ */ { zend_class_entry *ce_base = *pce; if (check_null && Z_TYPE_P(arg) == IS_NULL) { *pce = NULL; return 1; } if (!try_convert_to_string(arg)) { *pce = NULL; return 0; } *pce = zend_lookup_class(Z_STR_P(arg)); if (ce_base) { if ((!*pce || !instanceof_function(*pce, ce_base))) { zend_argument_type_error(num, "must be a class name derived from %s, %s given", ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg)); *pce = NULL; return 0; } } if (!*pce) { zend_argument_type_error(num, "must be a valid class name, %s given", Z_STRVAL_P(arg)); return 0; } return 1; } /* }}} */ static ZEND_COLD bool zend_null_arg_deprecated(const char *fallback_type, uint32_t arg_num) { zend_function *func = EG(current_execute_data)->func; ZEND_ASSERT(arg_num > 0); uint32_t arg_offset = arg_num - 1; if (arg_offset >= func->common.num_args) { ZEND_ASSERT(func->common.fn_flags & ZEND_ACC_VARIADIC); arg_offset = func->common.num_args; } zend_arg_info *arg_info = &func->common.arg_info[arg_offset]; zend_string *func_name = get_active_function_or_method_name(); const char *arg_name = get_active_function_arg_name(arg_num); /* If no type is specified in arginfo, use the specified fallback_type determined through * zend_parse_parameters instead. */ zend_string *type_str = zend_type_to_string(arg_info->type); const char *type = type_str ? ZSTR_VAL(type_str) : fallback_type; zend_error(E_DEPRECATED, "%s(): Passing null to parameter #%" PRIu32 "%s%s%s of type %s is deprecated", ZSTR_VAL(func_name), arg_num, arg_name ? " ($" : "", arg_name ? arg_name : "", arg_name ? ")" : "", type); zend_string_release(func_name); if (type_str) { zend_string_release(type_str); } return !EG(exception); } ZEND_API bool ZEND_FASTCALL zend_parse_arg_bool_weak(zval *arg, bool *dest, uint32_t arg_num) /* {{{ */ { if (EXPECTED(Z_TYPE_P(arg) <= IS_STRING)) { if (UNEXPECTED(Z_TYPE_P(arg) == IS_NULL) && !zend_null_arg_deprecated("bool", arg_num)) { return 0; } *dest = zend_is_true(arg); } else { return 0; } return 1; } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_bool_slow(zval *arg, bool *dest, uint32_t arg_num) /* {{{ */ { if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } return zend_parse_arg_bool_weak(arg, dest, arg_num); } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_long_weak(zval *arg, zend_long *dest, uint32_t arg_num) /* {{{ */ { if (EXPECTED(Z_TYPE_P(arg) == IS_DOUBLE)) { if (UNEXPECTED(zend_isnan(Z_DVAL_P(arg)))) { return 0; } if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(Z_DVAL_P(arg)))) { return 0; } else { *dest = zend_dval_to_lval(Z_DVAL_P(arg)); } } else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) { double d; zend_uchar type; if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), dest, &d)) != IS_LONG)) { if (EXPECTED(type != 0)) { if (UNEXPECTED(zend_isnan(d))) { return 0; } if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(d))) { return 0; } else { *dest = zend_dval_to_lval(d); } } else { return 0; } } if (UNEXPECTED(EG(exception))) { return 0; } } else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) { if (UNEXPECTED(Z_TYPE_P(arg) == IS_NULL) && !zend_null_arg_deprecated("int", arg_num)) { return 0; } *dest = 0; } else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) { *dest = 1; } else { return 0; } return 1; } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_long_slow(zval *arg, zend_long *dest, uint32_t arg_num) /* {{{ */ { if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } return zend_parse_arg_long_weak(arg, dest, arg_num); } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_double_weak(zval *arg, double *dest, uint32_t arg_num) /* {{{ */ { if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) { *dest = (double)Z_LVAL_P(arg); } else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) { zend_long l; zend_uchar type; if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), &l, dest)) != IS_DOUBLE)) { if (EXPECTED(type != 0)) { *dest = (double)(l); } else { return 0; } } if (UNEXPECTED(EG(exception))) { return 0; } } else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) { if (UNEXPECTED(Z_TYPE_P(arg) == IS_NULL) && !zend_null_arg_deprecated("float", arg_num)) { return 0; } *dest = 0.0; } else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) { *dest = 1.0; } else { return 0; } return 1; } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_double_slow(zval *arg, double *dest, uint32_t arg_num) /* {{{ */ { if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) { /* SSTH Exception: IS_LONG may be accepted instead as IS_DOUBLE */ *dest = (double)Z_LVAL_P(arg); } else if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } return zend_parse_arg_double_weak(arg, dest, arg_num); } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_number_slow(zval *arg, zval **dest, uint32_t arg_num) /* {{{ */ { if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } if (Z_TYPE_P(arg) == IS_STRING) { zend_string *str = Z_STR_P(arg); zend_long lval; double dval; zend_uchar type = is_numeric_str_function(str, &lval, &dval); if (type == IS_LONG) { ZVAL_LONG(arg, lval); } else if (type == IS_DOUBLE) { ZVAL_DOUBLE(arg, dval); } else { return 0; } zend_string_release(str); } else if (Z_TYPE_P(arg) < IS_TRUE) { if (UNEXPECTED(Z_TYPE_P(arg) == IS_NULL) && !zend_null_arg_deprecated("int|float", arg_num)) { return 0; } ZVAL_LONG(arg, 0); } else if (Z_TYPE_P(arg) == IS_TRUE) { ZVAL_LONG(arg, 1); } else { return 0; } *dest = arg; return 1; } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_str_weak(zval *arg, zend_string **dest, uint32_t arg_num) /* {{{ */ { if (EXPECTED(Z_TYPE_P(arg) < IS_STRING)) { if (UNEXPECTED(Z_TYPE_P(arg) == IS_NULL) && !zend_null_arg_deprecated("string", arg_num)) { return 0; } convert_to_string(arg); *dest = Z_STR_P(arg); } else if (UNEXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) { zend_object *zobj = Z_OBJ_P(arg); zval obj; if (zobj->handlers->cast_object(zobj, &obj, IS_STRING) == SUCCESS) { OBJ_RELEASE(zobj); ZVAL_COPY_VALUE(arg, &obj); *dest = Z_STR_P(arg); return 1; } return 0; } else { return 0; } return 1; } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_str_slow(zval *arg, zend_string **dest, uint32_t arg_num) /* {{{ */ { if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } return zend_parse_arg_str_weak(arg, dest, arg_num); } /* }}} */ ZEND_API bool ZEND_FASTCALL zend_parse_arg_str_or_long_slow(zval *arg, zend_string **dest_str, zend_long *dest_long, uint32_t arg_num) /* {{{ */ { if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) { return 0; } if (zend_parse_arg_long_weak(arg, dest_long, arg_num)) { *dest_str = NULL; return 1; } else if (zend_parse_arg_str_weak(arg, dest_str, arg_num)) { *dest_long = 0; return 1; } else { return 0; } } /* }}} */ static const char *zend_parse_arg_impl(zval *arg, va_list *va, const char **spec, char **error, uint32_t arg_num) /* {{{ */ { const char *spec_walk = *spec; char c = *spec_walk++; bool check_null = 0; bool separate = 0; zval *real_arg = arg; /* scan through modifiers */ ZVAL_DEREF(arg); while (1) { if (*spec_walk == '/') { SEPARATE_ZVAL_NOREF(arg); real_arg = arg; separate = 1; } else if (*spec_walk == '!') { check_null = 1; } else { break; } spec_walk++; } switch (c) { case 'l': { zend_long *p = va_arg(*va, zend_long *); bool *is_null = NULL; if (check_null) { is_null = va_arg(*va, bool *); } if (!zend_parse_arg_long(arg, p, is_null, check_null, arg_num)) { return check_null ? "?int" : "int"; } } break; case 'd': { double *p = va_arg(*va, double *); bool *is_null = NULL; if (check_null) { is_null = va_arg(*va, bool *); } if (!zend_parse_arg_double(arg, p, is_null, check_null, arg_num)) { return check_null ? "?float" : "float"; } } break; case 'n': { zval **p = va_arg(*va, zval **); if (!zend_parse_arg_number(arg, p, check_null, arg_num)) { return check_null ? "int|float|null" : "int|float"; } } break; case 's': { char **p = va_arg(*va, char **); size_t *pl = va_arg(*va, size_t *); if (!zend_parse_arg_string(arg, p, pl, check_null, arg_num)) { return check_null ? "?string" : "string"; } } break; case 'p': { char **p = va_arg(*va, char **); size_t *pl = va_arg(*va, size_t *); if (!zend_parse_arg_path(arg, p, pl, check_null, arg_num)) { if (Z_TYPE_P(arg) == IS_STRING) { zend_spprintf(error, 0, "must not contain any null bytes"); return ""; } else { return check_null ? "?string" : "string"; } } } break; case 'P': { zend_string **str = va_arg(*va, zend_string **); if (!zend_parse_arg_path_str(arg, str, check_null, arg_num)) { if (Z_TYPE_P(arg) == IS_STRING) { zend_spprintf(error, 0, "must not contain any null bytes"); return ""; } else { return check_null ? "?string" : "string"; } } } break; case 'S': { zend_string **str = va_arg(*va, zend_string **); if (!zend_parse_arg_str(arg, str, check_null, arg_num)) { return check_null ? "?string" : "string"; } } break; case 'b': { bool *p = va_arg(*va, bool *); bool *is_null = NULL; if (check_null) { is_null = va_arg(*va, bool *); } if (!zend_parse_arg_bool(arg, p, is_null, check_null, arg_num)) { return check_null ? "?bool" : "bool"; } } break; case 'r': { zval **p = va_arg(*va, zval **); if (!zend_parse_arg_resource(arg, p, check_null)) { return check_null ? "resource or null" : "resource"; } } break; case 'A': case 'a': { zval **p = va_arg(*va, zval **); if (!zend_parse_arg_array(arg, p, check_null, c == 'A')) { return check_null ? "?array" : "array"; } } break; case 'H': case 'h': { HashTable **p = va_arg(*va, HashTable **); if (!zend_parse_arg_array_ht(arg, p, check_null, c == 'H', separate)) { return check_null ? "?array" : "array"; } } break; case 'o': { zval **p = va_arg(*va, zval **); if (!zend_parse_arg_object(arg, p, NULL, check_null)) { return check_null ? "?object" : "object"; } } break; case 'O': { zval **p = va_arg(*va, zval **); zend_class_entry *ce = va_arg(*va, zend_class_entry *); if (!zend_parse_arg_object(arg, p, ce, check_null)) { if (ce) { if (check_null) { zend_spprintf(error, 0, "must be of type ?%s, %s given", ZSTR_VAL(ce->name), zend_zval_type_name(arg)); return ""; } else { return ZSTR_VAL(ce->name); } } else { return check_null ? "?object" : "object"; } } } break; case 'C': { zend_class_entry *lookup, **pce = va_arg(*va, zend_class_entry **); zend_class_entry *ce_base = *pce; if (check_null && Z_TYPE_P(arg) == IS_NULL) { *pce = NULL; break; } if (!try_convert_to_string(arg)) { *pce = NULL; return ""; /* try_convert_to_string() throws an exception */ } if ((lookup = zend_lookup_class(Z_STR_P(arg))) == NULL) { *pce = NULL; } else { *pce = lookup; } if (ce_base) { if ((!*pce || !instanceof_function(*pce, ce_base))) { zend_spprintf(error, 0, "must be a class name derived from %s%s, %s given", ZSTR_VAL(ce_base->name), check_null ? " or null" : "", Z_STRVAL_P(arg)); *pce = NULL; return ""; } } if (!*pce) { zend_spprintf(error, 0, "must be a valid class name%s, %s given", check_null ? " or null" : "", Z_STRVAL_P(arg)); return ""; } break; } break; case 'f': { zend_fcall_info *fci = va_arg(*va, zend_fcall_info *); zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *); char *is_callable_error = NULL; if (check_null && Z_TYPE_P(arg) == IS_NULL) { fci->size = 0; fcc->function_handler = 0; break; } if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error) == SUCCESS) { ZEND_ASSERT(!is_callable_error); /* Release call trampolines: The function may not get called, in which case * the trampoline will leak. Force it to be refetched during * zend_call_function instead. */ zend_release_fcall_info_cache(fcc); break; } if (is_callable_error) { zend_spprintf(error, 0, "must be a valid callback%s, %s", check_null ? " or null" : "", is_callable_error); efree(is_callable_error); return ""; } else { return check_null ? "a valid callback or null" : "a valid callback"; } } case 'z': { zval **p = va_arg(*va, zval **); zend_parse_arg_zval_deref(real_arg, p, check_null); } break; case 'Z': /* replace with 'z' */ case 'L': /* replace with 'l' */ ZEND_ASSERT(0 && "ZPP modifier no longer supported"); default: return "unknown"; } *spec = spec_walk; return NULL; } /* }}} */ static zend_result zend_parse_arg(uint32_t arg_num, zval *arg, va_list *va, const char **spec, int flags) /* {{{ */ { const char *expected_type = NULL; char *error = NULL; expected_type = zend_parse_arg_impl(arg, va, spec, &error, arg_num); if (expected_type) { if (EG(exception)) { return FAILURE; } if (!(flags & ZEND_PARSE_PARAMS_QUIET) && (*expected_type || error)) { if (error) { if (strcmp(error, "must not contain any null bytes") == 0) { zend_argument_value_error(arg_num, "%s", error); } else { zend_argument_type_error(arg_num, "%s", error); } efree(error); } else { zend_argument_type_error(arg_num, "must be of type %s, %s given", expected_type, zend_zval_type_name(arg)); } } else if (error) { efree(error); } return FAILURE; } return SUCCESS; } /* }}} */ ZEND_API zend_result zend_parse_parameter(int flags, uint32_t arg_num, zval *arg, const char *spec, ...) { va_list va; zend_result ret; va_start(va, spec); ret = zend_parse_arg(arg_num, arg, &va, &spec, flags); va_end(va); return ret; } static ZEND_COLD void zend_parse_parameters_debug_error(const char *msg) { zend_function *active_function = EG(current_execute_data)->func; const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : ""; zend_error_noreturn(E_CORE_ERROR, "%s%s%s(): %s", class_name, class_name[0] ? "::" : "", ZSTR_VAL(active_function->common.function_name), msg); } static zend_result zend_parse_va_args(uint32_t num_args, const char *type_spec, va_list *va, int flags) /* {{{ */ { const char *spec_walk; char c; uint32_t i; uint32_t min_num_args = 0; uint32_t max_num_args = 0; uint32_t post_varargs = 0; zval *arg; bool have_varargs = 0; bool have_optional_args = 0; zval **varargs = NULL; int *n_varargs = NULL; 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': case 'C': case 'h': case 'f': case 'A': case 'H': case 'p': case 'S': case 'P': case 'L': case 'n': max_num_args++; break; case '|': min_num_args = max_num_args; have_optional_args = 1; break; case '/': case '!': /* Pass */ break; case '*': case '+': if (have_varargs) { zend_parse_parameters_debug_error( "only one varargs specifier (* or +) is permitted"); return FAILURE; } have_varargs = 1; /* we expect at least one parameter in varargs */ if (c == '+') { max_num_args++; } /* mark the beginning of varargs */ post_varargs = max_num_args; if (ZEND_CALL_INFO(EG(current_execute_data)) & ZEND_CALL_HAS_EXTRA_NAMED_PARAMS) { zend_unexpected_extra_named_error(); return FAILURE; } break; default: zend_parse_parameters_debug_error("bad type specifier while parsing parameters"); return FAILURE; } } /* with no optional arguments the minimum number of arguments must be the same as the maximum */ if (!have_optional_args) { min_num_args = max_num_args; } if (have_varargs) { /* calculate how many required args are at the end of the specifier list */ post_varargs = max_num_args - post_varargs; max_num_args = UINT32_MAX; } if (num_args < min_num_args || num_args > max_num_args) { if (!(flags & ZEND_PARSE_PARAMS_QUIET)) { zend_string *func_name = get_active_function_or_method_name(); zend_argument_count_error("%s() expects %s %d argument%s, %d given", ZSTR_VAL(func_name), 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 ); zend_string_release(func_name); } return FAILURE; } if (num_args > ZEND_CALL_NUM_ARGS(EG(current_execute_data))) { zend_parse_parameters_debug_error("could not obtain parameters for parsing"); return FAILURE; } i = 0; while (num_args-- > 0) { if (*type_spec == '|') { type_spec++; } if (*type_spec == '*' || *type_spec == '+') { int num_varargs = num_args + 1 - post_varargs; /* eat up the passed in storage even if it won't be filled in with varargs */ varargs = va_arg(*va, zval **); n_varargs = va_arg(*va, int *); type_spec++; if (num_varargs > 0) { *n_varargs = num_varargs; *varargs = ZEND_CALL_ARG(EG(current_execute_data), i + 1); /* adjust how many args we have left and restart loop */ num_args += 1 - num_varargs; i += num_varargs; continue; } else { *varargs = NULL; *n_varargs = 0; } } arg = ZEND_CALL_ARG(EG(current_execute_data), i + 1); if (zend_parse_arg(i+1, arg, va, &type_spec, flags) == FAILURE) { /* clean up varargs array if it was used */ if (varargs && *varargs) { *varargs = NULL; } return FAILURE; } i++; } return SUCCESS; } /* }}} */ ZEND_API zend_result zend_parse_parameters_ex(int flags, uint32_t num_args, const char *type_spec, ...) /* {{{ */ { va_list va; zend_result retval; va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, flags); va_end(va); return retval; } /* }}} */ ZEND_API zend_result zend_parse_parameters(uint32_t num_args, const char *type_spec, ...) /* {{{ */ { va_list va; zend_result retval; int flags = 0; va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, flags); va_end(va); return retval; } /* }}} */ ZEND_API zend_result zend_parse_method_parameters(uint32_t num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */ { va_list va; zend_result retval; int flags = 0; const char *p = type_spec; zval **object; zend_class_entry *ce; /* Just checking this_ptr is not enough, because fcall_common_helper does not set * Z_OBJ(EG(This)) to NULL when calling an internal function with common.scope == NULL. * In that case EG(This) would still be the $this from the calling code and we'd take the * wrong branch here. */ bool is_method = EG(current_execute_data)->func->common.scope != NULL; if (!is_method || !this_ptr || Z_TYPE_P(this_ptr) != IS_OBJECT) { va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, flags); 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)) { zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s()", ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name(), ZSTR_VAL(ce->name), get_active_function_name()); } retval = zend_parse_va_args(num_args, p, &va, flags); va_end(va); } return retval; } /* }}} */ ZEND_API zend_result zend_parse_method_parameters_ex(int flags, uint32_t num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */ { va_list va; zend_result retval; const 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, flags); 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)) { if (!(flags & ZEND_PARSE_PARAMS_QUIET)) { zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s()", ZSTR_VAL(ce->name), get_active_function_name(), ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name()); } va_end(va); return FAILURE; } retval = zend_parse_va_args(num_args, p, &va, flags); va_end(va); } return retval; } /* }}} */ /* This function should be called after the constructor has been called * because it may call __set from the uninitialized object otherwise. */ ZEND_API void zend_merge_properties(zval *obj, HashTable *properties) /* {{{ */ { zend_object *zobj = Z_OBJ_P(obj); zend_object_write_property_t write_property = zobj->handlers->write_property; zend_class_entry *old_scope = EG(fake_scope); zend_string *key; zval *value; EG(fake_scope) = Z_OBJCE_P(obj); ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) { if (key) { write_property(zobj, key, value, NULL); } } ZEND_HASH_FOREACH_END(); EG(fake_scope) = old_scope; } /* }}} */ static zend_class_mutable_data *zend_allocate_mutable_data(zend_class_entry *class_type) /* {{{ */ { zend_class_mutable_data *mutable_data; ZEND_ASSERT(class_type->ce_flags & ZEND_ACC_IMMUTABLE); ZEND_ASSERT(ZEND_MAP_PTR(class_type->mutable_data) != NULL); ZEND_ASSERT(ZEND_MAP_PTR_GET_IMM(class_type->mutable_data) == NULL); mutable_data = zend_arena_alloc(&CG(arena), sizeof(zend_class_mutable_data)); memset(mutable_data, 0, sizeof(zend_class_mutable_data)); mutable_data->ce_flags = class_type->ce_flags; ZEND_MAP_PTR_SET_IMM(class_type->mutable_data, mutable_data); return mutable_data; } /* }}} */ ZEND_API HashTable *zend_separate_class_constants_table(zend_class_entry *class_type) /* {{{ */ { zend_class_mutable_data *mutable_data; HashTable *constants_table; zend_string *key; zend_class_constant *new_c, *c; constants_table = zend_arena_alloc(&CG(arena), sizeof(HashTable)); zend_hash_init(constants_table, zend_hash_num_elements(&class_type->constants_table), NULL, NULL, 0); zend_hash_extend(constants_table, zend_hash_num_elements(&class_type->constants_table), 0); ZEND_HASH_FOREACH_STR_KEY_PTR(&class_type->constants_table, key, c) { if (Z_TYPE(c->value) == IS_CONSTANT_AST) { new_c = zend_arena_alloc(&CG(arena), sizeof(zend_class_constant)); memcpy(new_c, c, sizeof(zend_class_constant)); c = new_c; } _zend_hash_append_ptr(constants_table, key, c); } ZEND_HASH_FOREACH_END(); ZEND_ASSERT(class_type->ce_flags & ZEND_ACC_IMMUTABLE); ZEND_ASSERT(ZEND_MAP_PTR(class_type->mutable_data) != NULL); mutable_data = ZEND_MAP_PTR_GET_IMM(class_type->mutable_data); if (!mutable_data) { mutable_data = zend_allocate_mutable_data(class_type); } mutable_data->constants_table = constants_table; return constants_table; } ZEND_API zend_result zend_update_class_constants(zend_class_entry *class_type) /* {{{ */ { zend_class_mutable_data *mutable_data = NULL; zval *default_properties_table = NULL; zval *static_members_table = NULL; zend_class_constant *c; zval *val; zend_property_info *prop_info; uint32_t ce_flags; ce_flags = class_type->ce_flags; if (ce_flags & ZEND_ACC_CONSTANTS_UPDATED) { return SUCCESS; } if (ce_flags & ZEND_ACC_IMMUTABLE) { mutable_data = ZEND_MAP_PTR_GET_IMM(class_type->mutable_data); if (mutable_data) { ce_flags = mutable_data->ce_flags; if (ce_flags & ZEND_ACC_CONSTANTS_UPDATED) { return SUCCESS; } } else { mutable_data = zend_allocate_mutable_data(class_type); } } if (class_type->parent) { if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) { return FAILURE; } } if (ce_flags & ZEND_ACC_HAS_AST_CONSTANTS) { HashTable *constants_table; if (ce_flags & ZEND_ACC_IMMUTABLE) { constants_table = mutable_data->constants_table; if (!constants_table) { constants_table = zend_separate_class_constants_table(class_type); } } else { constants_table = &class_type->constants_table; } ZEND_HASH_FOREACH_PTR(constants_table, c) { if (Z_TYPE(c->value) == IS_CONSTANT_AST) { val = &c->value; if (UNEXPECTED(zval_update_constant_ex(val, c->ce) != SUCCESS)) { return FAILURE; } } } ZEND_HASH_FOREACH_END(); } if (class_type->default_static_members_count) { static_members_table = CE_STATIC_MEMBERS(class_type); if (!static_members_table) { if (class_type->type == ZEND_INTERNAL_CLASS || (ce_flags & (ZEND_ACC_IMMUTABLE|ZEND_ACC_PRELOADED))) { zend_class_init_statics(class_type); static_members_table = CE_STATIC_MEMBERS(class_type); } } } default_properties_table = class_type->default_properties_table; if ((ce_flags & ZEND_ACC_IMMUTABLE) && (ce_flags & ZEND_ACC_HAS_AST_PROPERTIES)) { zval *src, *dst, *end; default_properties_table = mutable_data->default_properties_table; if (!default_properties_table) { default_properties_table = zend_arena_alloc(&CG(arena), sizeof(zval) * class_type->default_properties_count); src = class_type->default_properties_table; dst = default_properties_table; end = dst + class_type->default_properties_count; do { ZVAL_COPY_VALUE_PROP(dst, src); src++; dst++; } while (dst != end); mutable_data->default_properties_table = default_properties_table; } } if (ce_flags & (ZEND_ACC_HAS_AST_PROPERTIES|ZEND_ACC_HAS_AST_STATICS)) { ZEND_HASH_FOREACH_PTR(&class_type->properties_info, prop_info) { if (prop_info->flags & ZEND_ACC_STATIC) { val = static_members_table + prop_info->offset; } else { val = (zval*)((char*)default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0)); } if (Z_TYPE_P(val) == IS_CONSTANT_AST) { if (ZEND_TYPE_IS_SET(prop_info->type)) { zval tmp; ZVAL_COPY(&tmp, val); if (UNEXPECTED(zval_update_constant_ex(&tmp, prop_info->ce) != SUCCESS)) { zval_ptr_dtor(&tmp); return FAILURE; } /* property initializers must always be evaluated with strict types */; if (UNEXPECTED(!zend_verify_property_type(prop_info, &tmp, /* strict */ 1))) { zval_ptr_dtor(&tmp); return FAILURE; } zval_ptr_dtor(val); ZVAL_COPY_VALUE(val, &tmp); } else if (UNEXPECTED(zval_update_constant_ex(val, prop_info->ce) != SUCCESS)) { return FAILURE; } } } ZEND_HASH_FOREACH_END(); } ce_flags |= ZEND_ACC_CONSTANTS_UPDATED; ce_flags &= ~ZEND_ACC_HAS_AST_CONSTANTS; ce_flags &= ~ZEND_ACC_HAS_AST_PROPERTIES; if (class_type->ce_flags & ZEND_ACC_IMMUTABLE) { ce_flags &= ~ZEND_ACC_HAS_AST_STATICS; if (mutable_data) { mutable_data->ce_flags = ce_flags; } } else { if (!(ce_flags & ZEND_ACC_PRELOADED)) { ce_flags &= ~ZEND_ACC_HAS_AST_STATICS; } class_type->ce_flags = ce_flags; } return SUCCESS; } /* }}} */ static zend_always_inline void _object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */ { if (class_type->default_properties_count) { zval *src = CE_DEFAULT_PROPERTIES_TABLE(class_type); zval *dst = object->properties_table; zval *end = src + class_type->default_properties_count; if (UNEXPECTED(class_type->type == ZEND_INTERNAL_CLASS)) { do { ZVAL_COPY_OR_DUP_PROP(dst, src); src++; dst++; } while (src != end); } else { do { ZVAL_COPY_PROP(dst, src); src++; dst++; } while (src != end); } } } /* }}} */ ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */ { object->properties = NULL; _object_properties_init(object, class_type); } /* }}} */ ZEND_API void object_properties_init_ex(zend_object *object, HashTable *properties) /* {{{ */ { object->properties = properties; if (object->ce->default_properties_count) { zval *prop; zend_string *key; zend_property_info *property_info; ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, prop) { property_info = zend_get_property_info(object->ce, key, 1); if (property_info != ZEND_WRONG_PROPERTY_INFO && property_info && (property_info->flags & ZEND_ACC_STATIC) == 0) { zval *slot = OBJ_PROP(object, property_info->offset); if (UNEXPECTED(ZEND_TYPE_IS_SET(property_info->type))) { zval tmp; ZVAL_COPY_VALUE(&tmp, prop); if (UNEXPECTED(!zend_verify_property_type(property_info, &tmp, 0))) { continue; } ZVAL_COPY_VALUE(slot, &tmp); } else { ZVAL_COPY_VALUE(slot, prop); } ZVAL_INDIRECT(prop, slot); } } ZEND_HASH_FOREACH_END(); } } /* }}} */ ZEND_API void object_properties_load(zend_object *object, HashTable *properties) /* {{{ */ { zval *prop, tmp; zend_string *key; zend_long h; zend_property_info *property_info; ZEND_HASH_FOREACH_KEY_VAL(properties, h, key, prop) { if (key) { if (ZSTR_VAL(key)[0] == '\0') { const char *class_name, *prop_name; size_t prop_name_len; if (zend_unmangle_property_name_ex(key, &class_name, &prop_name, &prop_name_len) == SUCCESS) { zend_string *pname = zend_string_init(prop_name, prop_name_len, 0); zend_class_entry *prev_scope = EG(fake_scope); if (class_name && class_name[0] != '*') { zend_string *cname = zend_string_init(class_name, strlen(class_name), 0); EG(fake_scope) = zend_lookup_class(cname); zend_string_release_ex(cname, 0); } property_info = zend_get_property_info(object->ce, pname, 1); zend_string_release_ex(pname, 0); EG(fake_scope) = prev_scope; } else { property_info = ZEND_WRONG_PROPERTY_INFO; } } else { property_info = zend_get_property_info(object->ce, key, 1); } if (property_info != ZEND_WRONG_PROPERTY_INFO && property_info && (property_info->flags & ZEND_ACC_STATIC) == 0) { zval *slot = OBJ_PROP(object, property_info->offset); zval_ptr_dtor(slot); ZVAL_COPY_VALUE(slot, prop); zval_add_ref(slot); if (object->properties) { ZVAL_INDIRECT(&tmp, slot); zend_hash_update(object->properties, key, &tmp); } } else { if (!object->properties) { rebuild_object_properties(object); } prop = zend_hash_update(object->properties, key, prop); zval_add_ref(prop); } } else { if (!object->properties) { rebuild_object_properties(object); } prop = zend_hash_index_update(object->properties, h, prop); zval_add_ref(prop); } } ZEND_HASH_FOREACH_END(); } /* }}} */ /* This function requires 'properties' to contain all props declared in the * class and all props being public. If only a subset is given or the class * has protected members then you need to merge the properties separately by * calling zend_merge_properties(). */ static zend_always_inline zend_result _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties) /* {{{ */ { if (UNEXPECTED(class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_TRAIT|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS|ZEND_ACC_ENUM))) { if (class_type->ce_flags & ZEND_ACC_INTERFACE) { zend_throw_error(NULL, "Cannot instantiate interface %s", ZSTR_VAL(class_type->name)); } else if (class_type->ce_flags & ZEND_ACC_TRAIT) { zend_throw_error(NULL, "Cannot instantiate trait %s", ZSTR_VAL(class_type->name)); } else if (class_type->ce_flags & ZEND_ACC_ENUM) { zend_throw_error(NULL, "Cannot instantiate enum %s", ZSTR_VAL(class_type->name)); } else { zend_throw_error(NULL, "Cannot instantiate abstract class %s", ZSTR_VAL(class_type->name)); } ZVAL_NULL(arg); Z_OBJ_P(arg) = NULL; return FAILURE; } if (UNEXPECTED(!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) { if (UNEXPECTED(zend_update_class_constants(class_type) != SUCCESS)) { ZVAL_NULL(arg); Z_OBJ_P(arg) = NULL; return FAILURE; } } if (class_type->create_object == NULL) { zend_object *obj = zend_objects_new(class_type); ZVAL_OBJ(arg, obj); if (properties) { object_properties_init_ex(obj, properties); } else { _object_properties_init(obj, class_type); } } else { ZVAL_OBJ(arg, class_type->create_object(class_type)); } return SUCCESS; } /* }}} */ ZEND_API zend_result object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties) /* {{{ */ { return _object_and_properties_init(arg, class_type, properties); } /* }}} */ ZEND_API zend_result object_init_ex(zval *arg, zend_class_entry *class_type) /* {{{ */ { return _object_and_properties_init(arg, class_type, NULL); } /* }}} */ ZEND_API void object_init(zval *arg) /* {{{ */ { ZVAL_OBJ(arg, zend_objects_new(zend_standard_class_def)); } /* }}} */ ZEND_API void add_assoc_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_bool_ex(zval *arg, const char *key, size_t key_len, bool b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_array_ex(zval *arg, const char *key, size_t key_len, zend_array *arr) /* {{{ */ { zval tmp; ZVAL_ARR(&tmp, arr); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_object_ex(zval *arg, const char *key, size_t key_len, zend_object *obj) /* {{{ */ { zval tmp; ZVAL_OBJ(&tmp, obj); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_reference_ex(zval *arg, const char *key, size_t key_len, zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_REF(&tmp, ref); zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); } /* }}} */ ZEND_API void add_assoc_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */ { zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, value); } /* }}} */ ZEND_API void add_index_long(zval *arg, zend_ulong index, zend_long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_null(zval *arg, zend_ulong index) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_bool(zval *arg, zend_ulong index, bool b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_resource(zval *arg, zend_ulong index, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_double(zval *arg, zend_ulong index, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_array(zval *arg, zend_ulong index, zend_array *arr) /* {{{ */ { zval tmp; ZVAL_ARR(&tmp, arr); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_object(zval *arg, zend_ulong index, zend_object *obj) /* {{{ */ { zval tmp; ZVAL_OBJ(&tmp, obj); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API void add_index_reference(zval *arg, zend_ulong index, zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_REF(&tmp, ref); zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API zend_result add_next_index_long(zval *arg, zend_long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_null(zval *arg) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_bool(zval *arg, bool b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_resource(zval *arg, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_double(zval *arg, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_str(zval *arg, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_string(zval *arg, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_stringl(zval *arg, const char *str, size_t length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_array(zval *arg, zend_array *arr) /* {{{ */ { zval tmp; ZVAL_ARR(&tmp, arr); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_object(zval *arg, zend_object *obj) /* {{{ */ { zval tmp; ZVAL_OBJ(&tmp, obj); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result add_next_index_reference(zval *arg, zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_REF(&tmp, ref); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zend_result array_set_zval_key(HashTable *ht, zval *key, zval *value) /* {{{ */ { zval *result; switch (Z_TYPE_P(key)) { case IS_STRING: result = zend_symtable_update(ht, Z_STR_P(key), value); break; case IS_NULL: result = zend_hash_update(ht, ZSTR_EMPTY_ALLOC(), value); break; case IS_RESOURCE: zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(key), Z_RES_HANDLE_P(key)); result = zend_hash_index_update(ht, Z_RES_HANDLE_P(key), value); break; case IS_FALSE: result = zend_hash_index_update(ht, 0, value); break; case IS_TRUE: result = zend_hash_index_update(ht, 1, value); break; case IS_LONG: result = zend_hash_index_update(ht, Z_LVAL_P(key), value); break; case IS_DOUBLE: result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), value); break; default: zend_type_error("Illegal offset type"); result = NULL; } if (result) { Z_TRY_ADDREF_P(result); return SUCCESS; } else { return FAILURE; } } /* }}} */ ZEND_API void add_property_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); add_property_zval_ex(arg, key, key_len, &tmp); } /* }}} */ ZEND_API void add_property_bool_ex(zval *arg, const char *key, size_t key_len, zend_long b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); add_property_zval_ex(arg, key, key_len, &tmp); } /* }}} */ ZEND_API void add_property_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); add_property_zval_ex(arg, key, key_len, &tmp); } /* }}} */ ZEND_API void add_property_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); add_property_zval_ex(arg, key, key_len, &tmp); } /* }}} */ ZEND_API void add_property_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_array_ex(zval *arg, const char *key, size_t key_len, zend_array *arr) /* {{{ */ { zval tmp; ZVAL_ARR(&tmp, arr); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_object_ex(zval *arg, const char *key, size_t key_len, zend_object *obj) /* {{{ */ { zval tmp; ZVAL_OBJ(&tmp, obj); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_reference_ex(zval *arg, const char *key, size_t key_len, zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_REF(&tmp, ref); add_property_zval_ex(arg, key, key_len, &tmp); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ } /* }}} */ ZEND_API void add_property_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */ { zend_string *str; str = zend_string_init(key, key_len, 0); Z_OBJ_HANDLER_P(arg, write_property)(Z_OBJ_P(arg), str, value, NULL); zend_string_release_ex(str, 0); } /* }}} */ ZEND_API zend_result zend_startup_module_ex(zend_module_entry *module) /* {{{ */ { size_t name_len; zend_string *lcname; if (module->module_started) { return SUCCESS; } module->module_started = 1; /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_REQUIRED) { zend_module_entry *req_mod; name_len = strlen(dep->name); lcname = zend_string_alloc(name_len, 0); zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len); if ((req_mod = zend_hash_find_ptr(&module_registry, lcname)) == NULL || !req_mod->module_started) { zend_string_efree(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module \"%s\" because required module \"%s\" is not loaded", module->name, dep->name); module->module_started = 0; return FAILURE; } zend_string_efree(lcname); } ++dep; } } /* Initialize module globals */ if (module->globals_size) { #ifdef ZTS ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor); #else if (module->globals_ctor) { module->globals_ctor(module->globals_ptr); } #endif } if (module->module_startup_func) { EG(current_module) = module; if (module->module_startup_func(module->type, module->module_number)==FAILURE) { zend_error_noreturn(E_CORE_ERROR,"Unable to start %s module", module->name); EG(current_module) = NULL; return FAILURE; } EG(current_module) = NULL; } return SUCCESS; } /* }}} */ static int zend_startup_module_zval(zval *zv) /* {{{ */ { zend_module_entry *module = Z_PTR_P(zv); return (zend_startup_module_ex(module) == SUCCESS) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE; } /* }}} */ static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare, swap_func_t swp) /* {{{ */ { Bucket *b1 = base; Bucket *b2; Bucket *end = b1 + count; Bucket tmp; zend_module_entry *m, *r; while (b1 < end) { try_again: m = (zend_module_entry*)Z_PTR(b1->val); if (!m->module_started && m->deps) { const zend_module_dep *dep = m->deps; while (dep->name) { if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) { b2 = b1 + 1; while (b2 < end) { r = (zend_module_entry*)Z_PTR(b2->val); if (strcasecmp(dep->name, r->name) == 0) { tmp = *b1; *b1 = *b2; *b2 = tmp; goto try_again; } b2++; } } dep++; } } b1++; } } /* }}} */ ZEND_API void zend_collect_module_handlers(void) /* {{{ */ { zend_module_entry *module; int startup_count = 0; int shutdown_count = 0; int post_deactivate_count = 0; zend_class_entry *ce; int class_count = 0; /* Collect extensions with request startup/shutdown handlers */ ZEND_HASH_FOREACH_PTR(&module_registry, module) { if (module->request_startup_func) { startup_count++; } if (module->request_shutdown_func) { shutdown_count++; } if (module->post_deactivate_func) { post_deactivate_count++; } } ZEND_HASH_FOREACH_END(); module_request_startup_handlers = (zend_module_entry**)malloc( sizeof(zend_module_entry*) * (startup_count + 1 + shutdown_count + 1 + post_deactivate_count + 1)); module_request_startup_handlers[startup_count] = NULL; module_request_shutdown_handlers = module_request_startup_handlers + startup_count + 1; module_request_shutdown_handlers[shutdown_count] = NULL; module_post_deactivate_handlers = module_request_shutdown_handlers + shutdown_count + 1; module_post_deactivate_handlers[post_deactivate_count] = NULL; startup_count = 0; ZEND_HASH_FOREACH_PTR(&module_registry, module) { if (module->request_startup_func) { module_request_startup_handlers[startup_count++] = module; } if (module->request_shutdown_func) { module_request_shutdown_handlers[--shutdown_count] = module; } if (module->post_deactivate_func) { module_post_deactivate_handlers[--post_deactivate_count] = module; } } ZEND_HASH_FOREACH_END(); /* Collect internal classes with static members */ ZEND_HASH_FOREACH_PTR(CG(class_table), ce) { if (ce->type == ZEND_INTERNAL_CLASS && ce->default_static_members_count > 0) { class_count++; } } ZEND_HASH_FOREACH_END(); class_cleanup_handlers = (zend_class_entry**)malloc( sizeof(zend_class_entry*) * (class_count + 1)); class_cleanup_handlers[class_count] = NULL; if (class_count) { ZEND_HASH_FOREACH_PTR(CG(class_table), ce) { if (ce->type == ZEND_INTERNAL_CLASS && ce->default_static_members_count > 0) { class_cleanup_handlers[--class_count] = ce; } } ZEND_HASH_FOREACH_END(); } } /* }}} */ ZEND_API void zend_startup_modules(void) /* {{{ */ { zend_hash_sort_ex(&module_registry, zend_sort_modules, NULL, 0); zend_hash_apply(&module_registry, zend_startup_module_zval); } /* }}} */ ZEND_API void zend_destroy_modules(void) /* {{{ */ { free(class_cleanup_handlers); free(module_request_startup_handlers); zend_hash_graceful_reverse_destroy(&module_registry); } /* }}} */ ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module) /* {{{ */ { size_t name_len; zend_string *lcname; zend_module_entry *module_ptr; if (!module) { return NULL; } #if 0 zend_printf("%s: Registering module %d\n", module->name, module->module_number); #endif /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_CONFLICTS) { name_len = strlen(dep->name); lcname = zend_string_alloc(name_len, 0); zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len); if (zend_hash_exists(&module_registry, lcname) || zend_get_extension(dep->name)) { zend_string_efree(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module \"%s\" because conflicting module \"%s\" is already loaded", module->name, dep->name); return NULL; } zend_string_efree(lcname); } ++dep; } } name_len = strlen(module->name); lcname = zend_string_alloc(name_len, module->type == MODULE_PERSISTENT); zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len); lcname = zend_new_interned_string(lcname); if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) { zend_error(E_CORE_WARNING, "Module \"%s\" is already loaded", module->name); zend_string_release(lcname); return NULL; } module = module_ptr; EG(current_module) = module; if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type)==FAILURE) { zend_hash_del(&module_registry, lcname); zend_string_release(lcname); EG(current_module) = NULL; zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name); return NULL; } EG(current_module) = NULL; zend_string_release(lcname); return module; } /* }}} */ ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module) /* {{{ */ { module->module_number = zend_next_free_module(); module->type = MODULE_PERSISTENT; return zend_register_module_ex(module); } /* }}} */ static void zend_check_magic_method_args( uint32_t num_args, const zend_class_entry *ce, const zend_function *fptr, int error_type) { if (fptr->common.num_args != num_args) { if (num_args == 0) { zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } else if (num_args == 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } else { zend_error(error_type, "Method %s::%s() must take exactly %" PRIu32 " arguments", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name), num_args); } return; } for (uint32_t i = 0; i < num_args; i++) { if (QUICK_ARG_SHOULD_BE_SENT_BY_REF(fptr, i + 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); return; } } } static void zend_check_magic_method_arg_type(uint32_t arg_num, const zend_class_entry *ce, const zend_function *fptr, int error_type, int arg_type) { if ( ZEND_TYPE_IS_SET(fptr->common.arg_info[arg_num].type) && !(ZEND_TYPE_FULL_MASK(fptr->common.arg_info[arg_num].type) & arg_type) ) { zend_error(error_type, "%s::%s(): Parameter #%d ($%s) must be of type %s when declared", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name), arg_num + 1, ZSTR_VAL(fptr->common.arg_info[arg_num].name), ZSTR_VAL(zend_type_to_string((zend_type) ZEND_TYPE_INIT_MASK(arg_type)))); } } static void zend_check_magic_method_return_type(const zend_class_entry *ce, const zend_function *fptr, int error_type, int return_type) { if (!(fptr->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE)) { /* For backwards compatibility reasons, do not enforce the return type if it is not set. */ return; } bool has_class_type = ZEND_TYPE_HAS_CLASS(fptr->common.arg_info[-1].type); uint32_t extra_types = ZEND_TYPE_PURE_MASK(fptr->common.arg_info[-1].type) & ~return_type; if (extra_types & MAY_BE_STATIC) { extra_types &= ~MAY_BE_STATIC; has_class_type = 1; } if (extra_types || (has_class_type && return_type != MAY_BE_OBJECT)) { zend_error(error_type, "%s::%s(): Return type must be %s when declared", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name), ZSTR_VAL(zend_type_to_string((zend_type) ZEND_TYPE_INIT_MASK(return_type)))); } } static void zend_check_magic_method_non_static( const zend_class_entry *ce, const zend_function *fptr, int error_type) { if (fptr->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } } static void zend_check_magic_method_static( const zend_class_entry *ce, const zend_function *fptr, int error_type) { if (!(fptr->common.fn_flags & ZEND_ACC_STATIC)) { zend_error(error_type, "Method %s::%s() must be static", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } } static void zend_check_magic_method_public( const zend_class_entry *ce, const zend_function *fptr, int error_type) { // TODO: Remove this warning after adding proper visibility handling. if (!(fptr->common.fn_flags & ZEND_ACC_PUBLIC)) { zend_error(E_WARNING, "The magic method %s::%s() must have public visibility", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } } static void zend_check_magic_method_no_return_type( const zend_class_entry *ce, const zend_function *fptr, int error_type) { if (fptr->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE) { zend_error_noreturn(error_type, "Method %s::%s() cannot declare a return type", ZSTR_VAL(ce->name), ZSTR_VAL(fptr->common.function_name)); } } ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, zend_string *lcname, int error_type) /* {{{ */ { if (ZSTR_VAL(fptr->common.function_name)[0] != '_' || ZSTR_VAL(fptr->common.function_name)[1] != '_') { return; } if (zend_string_equals_literal(lcname, ZEND_CONSTRUCTOR_FUNC_NAME)) { zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_no_return_type(ce, fptr, error_type); } else if (zend_string_equals_literal(lcname, ZEND_DESTRUCTOR_FUNC_NAME)) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_no_return_type(ce, fptr, error_type); } else if (zend_string_equals_literal(lcname, ZEND_CLONE_FUNC_NAME)) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_VOID); } else if (zend_string_equals_literal(lcname, ZEND_GET_FUNC_NAME)) { zend_check_magic_method_args(1, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); } else if (zend_string_equals_literal(lcname, ZEND_SET_FUNC_NAME)) { zend_check_magic_method_args(2, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_VOID); } else if (zend_string_equals_literal(lcname, ZEND_UNSET_FUNC_NAME)) { zend_check_magic_method_args(1, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_VOID); } else if (zend_string_equals_literal(lcname, ZEND_ISSET_FUNC_NAME)) { zend_check_magic_method_args(1, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_BOOL); } else if (zend_string_equals_literal(lcname, ZEND_CALL_FUNC_NAME)) { zend_check_magic_method_args(2, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); zend_check_magic_method_arg_type(1, ce, fptr, error_type, MAY_BE_ARRAY); } else if (zend_string_equals_literal(lcname, ZEND_CALLSTATIC_FUNC_NAME)) { zend_check_magic_method_args(2, ce, fptr, error_type); zend_check_magic_method_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_STRING); zend_check_magic_method_arg_type(1, ce, fptr, error_type, MAY_BE_ARRAY); } else if (zend_string_equals_literal(lcname, ZEND_TOSTRING_FUNC_NAME)) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); } else if (zend_string_equals_literal(lcname, ZEND_DEBUGINFO_FUNC_NAME)) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_return_type(ce, fptr, error_type, (MAY_BE_ARRAY | MAY_BE_NULL)); } else if (zend_string_equals_literal(lcname, "__serialize")) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_ARRAY); } else if (zend_string_equals_literal(lcname, "__unserialize")) { zend_check_magic_method_args(1, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_ARRAY); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_VOID); } else if (zend_string_equals_literal(lcname, "__set_state")) { zend_check_magic_method_args(1, ce, fptr, error_type); zend_check_magic_method_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_arg_type(0, ce, fptr, error_type, MAY_BE_ARRAY); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_OBJECT); } else if (zend_string_equals_literal(lcname, "__invoke")) { zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); } else if (zend_string_equals_literal(lcname, "__sleep")) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_ARRAY); } else if (zend_string_equals_literal(lcname, "__wakeup")) { zend_check_magic_method_args(0, ce, fptr, error_type); zend_check_magic_method_non_static(ce, fptr, error_type); zend_check_magic_method_public(ce, fptr, error_type); zend_check_magic_method_return_type(ce, fptr, error_type, MAY_BE_VOID); } } /* }}} */ ZEND_API void zend_add_magic_method(zend_class_entry *ce, zend_function *fptr, zend_string *lcname) { if (ZSTR_VAL(lcname)[0] != '_' || ZSTR_VAL(lcname)[1] != '_') { /* pass */ } else if (zend_string_equals_literal(lcname, ZEND_CLONE_FUNC_NAME)) { ce->clone = fptr; } else if (zend_string_equals_literal(lcname, ZEND_CONSTRUCTOR_FUNC_NAME)) { ce->constructor = fptr; ce->constructor->common.fn_flags |= ZEND_ACC_CTOR; } else if (zend_string_equals_literal(lcname, ZEND_DESTRUCTOR_FUNC_NAME)) { ce->destructor = fptr; } else if (zend_string_equals_literal(lcname, ZEND_GET_FUNC_NAME)) { ce->__get = fptr; ce->ce_flags |= ZEND_ACC_USE_GUARDS; } else if (zend_string_equals_literal(lcname, ZEND_SET_FUNC_NAME)) { ce->__set = fptr; ce->ce_flags |= ZEND_ACC_USE_GUARDS; } else if (zend_string_equals_literal(lcname, ZEND_CALL_FUNC_NAME)) { ce->__call = fptr; } else if (zend_string_equals_literal(lcname, ZEND_UNSET_FUNC_NAME)) { ce->__unset = fptr; ce->ce_flags |= ZEND_ACC_USE_GUARDS; } else if (zend_string_equals_literal(lcname, ZEND_ISSET_FUNC_NAME)) { ce->__isset = fptr; ce->ce_flags |= ZEND_ACC_USE_GUARDS; } else if (zend_string_equals_literal(lcname, ZEND_CALLSTATIC_FUNC_NAME)) { ce->__callstatic = fptr; } else if (zend_string_equals_literal(lcname, ZEND_TOSTRING_FUNC_NAME)) { ce->__tostring = fptr; } else if (zend_string_equals_literal(lcname, ZEND_DEBUGINFO_FUNC_NAME)) { ce->__debugInfo = fptr; } else if (zend_string_equals_literal(lcname, "__serialize")) { ce->__serialize = fptr; } else if (zend_string_equals_literal(lcname, "__unserialize")) { ce->__unserialize = fptr; } } /* registers all functions in *library_functions in the function hash */ ZEND_API zend_result zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type) /* {{{ */ { const 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_string *lowercase_name; size_t 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; internal_function->module = EG(current_module); memset(internal_function->reserved, 0, ZEND_MAX_RESERVED_RESOURCES * sizeof(void*)); while (ptr->fname) { fname_len = strlen(ptr->fname); internal_function->handler = ptr->handler; internal_function->function_name = zend_string_init_interned(ptr->fname, fname_len, 1); internal_function->scope = scope; internal_function->prototype = NULL; internal_function->attributes = NULL; if (ptr->flags) { if (!(ptr->flags & ZEND_ACC_PPP_MASK)) { if (ptr->flags != ZEND_ACC_DEPRECATED && scope) { zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); } internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags; } else { internal_function->fn_flags = ptr->flags; } } else { internal_function->fn_flags = ZEND_ACC_PUBLIC; } if (ptr->arg_info) { zend_internal_function_info *info = (zend_internal_function_info*)ptr->arg_info; internal_function->arg_info = (zend_internal_arg_info*)ptr->arg_info+1; internal_function->num_args = ptr->num_args; /* Currently you cannot denote that the function can accept less arguments than num_args */ if (info->required_num_args == (zend_uintptr_t)-1) { internal_function->required_num_args = ptr->num_args; } else { internal_function->required_num_args = info->required_num_args; } if (ZEND_ARG_SEND_MODE(info)) { internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE; } if (ZEND_ARG_IS_VARIADIC(&ptr->arg_info[ptr->num_args])) { internal_function->fn_flags |= ZEND_ACC_VARIADIC; /* Don't count the variadic argument */ internal_function->num_args--; } if (ZEND_TYPE_IS_SET(info->type)) { if (ZEND_TYPE_HAS_NAME(info->type)) { const char *type_name = ZEND_TYPE_LITERAL_NAME(info->type); if (!scope && (!strcasecmp(type_name, "self") || !strcasecmp(type_name, "parent"))) { zend_error_noreturn(E_CORE_ERROR, "Cannot declare a return type of %s outside of a class scope", type_name); } } internal_function->fn_flags |= ZEND_ACC_HAS_RETURN_TYPE; } } else { zend_error(E_CORE_WARNING, "Missing arginfo for %s%s%s()", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); internal_function->arg_info = NULL; internal_function->num_args = 0; internal_function->required_num_args = 0; } zend_set_function_arg_flags((zend_function*)internal_function); if (ptr->flags & ZEND_ACC_ABSTRACT) { if (scope) { /* This is a class that must be abstract itself. Here we set the check info. */ scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS; if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) { /* Since the class is not an interface it needs to be declared as a abstract class. */ /* Since here we are handling internal functions only we can add the keyword flag. */ /* This time we set the flag for the keyword 'abstract'. */ scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } } if ((ptr->flags & ZEND_ACC_STATIC) && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) { zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); } } else { if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) { zend_error(error_type, "Interface %s cannot contain non abstract method %s()", ZSTR_VAL(scope->name), ptr->fname); return FAILURE; } if (!internal_function->handler) { zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); zend_unregister_functions(functions, count, target_function_table); return FAILURE; } } lowercase_name = zend_string_tolower_ex(internal_function->function_name, type == MODULE_PERSISTENT); lowercase_name = zend_new_interned_string(lowercase_name); reg_function = malloc(sizeof(zend_internal_function)); memcpy(reg_function, &function, sizeof(zend_internal_function)); if (zend_hash_add_ptr(target_function_table, lowercase_name, reg_function) == NULL) { unload=1; free(reg_function); zend_string_release(lowercase_name); break; } /* Get parameter count including variadic parameter. */ uint32_t num_args = reg_function->common.num_args; if (reg_function->common.fn_flags & ZEND_ACC_VARIADIC) { num_args++; } /* If types of arguments have to be checked */ if (reg_function->common.arg_info && num_args) { uint32_t i; for (i = 0; i < num_args; i++) { zend_internal_arg_info *arg_info = ®_function->internal_function.arg_info[i]; ZEND_ASSERT(arg_info->name && "Parameter must have a name"); if (ZEND_TYPE_IS_SET(arg_info->type)) { reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS; } #if ZEND_DEBUG for (uint32_t j = 0; j < i; j++) { if (!strcmp(arg_info->name, reg_function->internal_function.arg_info[j].name)) { zend_error_noreturn(E_CORE_ERROR, "Duplicate parameter name $%s for function %s%s%s()", arg_info->name, scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); } } #endif } } if (reg_function->common.arg_info && (reg_function->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))) { /* convert "const char*" class type names into "zend_string*" */ uint32_t i; zend_arg_info *arg_info = reg_function->common.arg_info - 1; zend_arg_info *new_arg_info; /* Treat return type as an extra argument */ num_args++; new_arg_info = malloc(sizeof(zend_arg_info) * num_args); memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args); reg_function->common.arg_info = new_arg_info + 1; for (i = 0; i < num_args; i++) { if (ZEND_TYPE_HAS_CLASS(new_arg_info[i].type)) { ZEND_ASSERT(ZEND_TYPE_HAS_NAME(new_arg_info[i].type) && "Should be stored as simple name"); const char *class_name = ZEND_TYPE_LITERAL_NAME(new_arg_info[i].type); size_t num_types = 1; const char *p = class_name; while ((p = strchr(p, '|'))) { num_types++; p++; } if (num_types == 1) { /* Simple class type */ ZEND_TYPE_SET_PTR(new_arg_info[i].type, zend_string_init_interned(class_name, strlen(class_name), 1)); } else { /* Union type */ zend_type_list *list = malloc(ZEND_TYPE_LIST_SIZE(num_types)); list->num_types = num_types; ZEND_TYPE_SET_LIST(new_arg_info[i].type, list); const char *start = class_name; uint32_t j = 0; while (true) { const char *end = strchr(start, '|'); zend_string *str = zend_string_init(start, end ? end - start : strlen(start), 1); list->types[j] = (zend_type) ZEND_TYPE_INIT_CLASS(str, 0, 0); if (!end) { break; } start = end + 1; j++; } } } } } if (scope) { zend_check_magic_method_implementation( scope, reg_function, lowercase_name, E_CORE_ERROR); zend_add_magic_method(scope, reg_function, lowercase_name); } ptr++; count++; zend_string_release(lowercase_name); } if (unload) { /* before unloading, display all remaining bad function in the module */ while (ptr->fname) { fname_len = strlen(ptr->fname); lowercase_name = zend_string_alloc(fname_len, 0); zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len); if (zend_hash_exists(target_function_table, lowercase_name)) { zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname); } zend_string_efree(lowercase_name); ptr++; } zend_unregister_functions(functions, count, target_function_table); return FAILURE; } return SUCCESS; } /* }}} */ /* count=-1 means erase all functions, otherwise, * erase the first count functions */ ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table) /* {{{ */ { const zend_function_entry *ptr = functions; int i=0; HashTable *target_function_table = function_table; zend_string *lowercase_name; size_t fname_len; if (!target_function_table) { target_function_table = CG(function_table); } while (ptr->fname) { if (count!=-1 && i>=count) { break; } fname_len = strlen(ptr->fname); lowercase_name = zend_string_alloc(fname_len, 0); zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len); zend_hash_del(target_function_table, lowercase_name); zend_string_efree(lowercase_name); ptr++; i++; } } /* }}} */ ZEND_API zend_result zend_startup_module(zend_module_entry *module) /* {{{ */ { if ((module = zend_register_internal_module(module)) != NULL && zend_startup_module_ex(module) == SUCCESS) { return SUCCESS; } return FAILURE; } /* }}} */ ZEND_API zend_result zend_get_module_started(const char *module_name) /* {{{ */ { zend_module_entry *module; module = zend_hash_str_find_ptr(&module_registry, module_name, strlen(module_name)); return (module && module->module_started) ? SUCCESS : FAILURE; } /* }}} */ static int clean_module_class(zval *el, void *arg) /* {{{ */ { zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el); int module_number = *(int *)arg; if (ce->type == ZEND_INTERNAL_CLASS && ce->info.internal.module->module_number == module_number) { return ZEND_HASH_APPLY_REMOVE; } else { return ZEND_HASH_APPLY_KEEP; } } /* }}} */ static void clean_module_classes(int module_number) /* {{{ */ { zend_hash_apply_with_argument(EG(class_table), clean_module_class, (void *) &module_number); } /* }}} */ void module_destructor(zend_module_entry *module) /* {{{ */ { if (module->type == MODULE_TEMPORARY) { zend_clean_module_rsrc_dtors(module->module_number); clean_module_constants(module->module_number); clean_module_classes(module->module_number); } 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); } if (module->module_started && !module->module_shutdown_func && module->type == MODULE_TEMPORARY) { zend_unregister_ini_entries(module->module_number); } /* Deinitilaise module globals */ if (module->globals_size) { #ifdef ZTS if (*module->globals_id_ptr) { ts_free_id(*module->globals_id_ptr); } #else if (module->globals_dtor) { module->globals_dtor(module->globals_ptr); } #endif } module->module_started=0; if (module->type == MODULE_TEMPORARY && module->functions) { zend_unregister_functions(module->functions, -1, NULL); } #if HAVE_LIBDL if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) { DL_UNLOAD(module->handle); } #endif } /* }}} */ ZEND_API void zend_activate_modules(void) /* {{{ */ { zend_module_entry **p = module_request_startup_handlers; while (*p) { zend_module_entry *module = *p; if (module->request_startup_func(module->type, module->module_number)==FAILURE) { zend_error(E_WARNING, "request_startup() for %s module failed", module->name); exit(1); } p++; } } /* }}} */ ZEND_API void zend_deactivate_modules(void) /* {{{ */ { EG(current_execute_data) = NULL; /* we're no longer executing anything */ zend_try { if (EG(full_tables_cleanup)) { zend_module_entry *module; ZEND_HASH_REVERSE_FOREACH_PTR(&module_registry, module) { 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); } } ZEND_HASH_FOREACH_END(); } else { zend_module_entry **p = module_request_shutdown_handlers; while (*p) { zend_module_entry *module = *p; module->request_shutdown_func(module->type, module->module_number); p++; } } } zend_end_try(); } /* }}} */ ZEND_API void zend_cleanup_internal_classes(void) /* {{{ */ { zend_class_entry **p = class_cleanup_handlers; while (*p) { zend_cleanup_internal_class_data(*p); p++; } } /* }}} */ ZEND_API void zend_post_deactivate_modules(void) /* {{{ */ { if (EG(full_tables_cleanup)) { zend_module_entry *module; zval *zv; zend_string *key; ZEND_HASH_FOREACH_PTR(&module_registry, module) { if (module->post_deactivate_func) { module->post_deactivate_func(); } } ZEND_HASH_FOREACH_END(); ZEND_HASH_REVERSE_FOREACH_STR_KEY_VAL(&module_registry, key, zv) { module = Z_PTR_P(zv); if (module->type != MODULE_TEMPORARY) { break; } module_destructor(module); free(module); zend_string_release_ex(key, 0); } ZEND_HASH_FOREACH_END_DEL(); } else { zend_module_entry **p = module_post_deactivate_handlers; while (*p) { zend_module_entry *module = *p; module->post_deactivate_func(); p++; } } } /* }}} */ /* return the next free module number */ ZEND_API int zend_next_free_module(void) /* {{{ */ { return zend_hash_num_elements(&module_registry) + 1; } /* }}} */ static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, uint32_t ce_flags) /* {{{ */ { zend_class_entry *class_entry = malloc(sizeof(zend_class_entry)); zend_string *lowercase_name; *class_entry = *orig_class_entry; class_entry->type = ZEND_INTERNAL_CLASS; zend_initialize_class_data(class_entry, 0); class_entry->ce_flags = orig_class_entry->ce_flags | ce_flags | ZEND_ACC_CONSTANTS_UPDATED | ZEND_ACC_LINKED | ZEND_ACC_RESOLVED_PARENT | ZEND_ACC_RESOLVED_INTERFACES; class_entry->info.internal.module = EG(current_module); if (class_entry->info.internal.builtin_functions) { zend_register_functions(class_entry, class_entry->info.internal.builtin_functions, &class_entry->function_table, EG(current_module)->type); } lowercase_name = zend_string_tolower_ex(orig_class_entry->name, EG(current_module)->type == MODULE_PERSISTENT); lowercase_name = zend_new_interned_string(lowercase_name); zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry); zend_string_release_ex(lowercase_name, 1); return class_entry; } /* }}} */ /* 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) /* {{{ */ { zend_class_entry *register_class; register_class = zend_register_internal_class(class_entry); if (parent_ce) { zend_do_inheritance(register_class, parent_ce); zend_build_properties_info_table(register_class); } return register_class; } /* }}} */ ZEND_API void zend_class_implements(zend_class_entry *class_entry, int num_interfaces, ...) /* {{{ */ { zend_class_entry *interface_entry; va_list interface_list; va_start(interface_list, num_interfaces); while (num_interfaces--) { interface_entry = va_arg(interface_list, zend_class_entry *); zend_do_implement_interface(class_entry, interface_entry); } va_end(interface_list); } /* }}} */ /* A class that contains at least one abstract method automatically becomes an abstract class. */ ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry) /* {{{ */ { return do_register_internal_class(orig_class_entry, 0); } /* }}} */ ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry) /* {{{ */ { return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE); } /* }}} */ ZEND_API zend_result zend_register_class_alias_ex(const char *name, size_t name_len, zend_class_entry *ce, bool persistent) /* {{{ */ { zend_string *lcname; zval zv, *ret; /* TODO: Move this out of here in 7.4. */ if (persistent && EG(current_module) && EG(current_module)->type == MODULE_TEMPORARY) { persistent = 0; } if (name[0] == '\\') { lcname = zend_string_alloc(name_len-1, persistent); zend_str_tolower_copy(ZSTR_VAL(lcname), name+1, name_len-1); } else { lcname = zend_string_alloc(name_len, persistent); zend_str_tolower_copy(ZSTR_VAL(lcname), name, name_len); } zend_assert_valid_class_name(lcname); lcname = zend_new_interned_string(lcname); ZVAL_ALIAS_PTR(&zv, ce); ret = zend_hash_add(CG(class_table), lcname, &zv); zend_string_release_ex(lcname, 0); if (ret) { if (!(ce->ce_flags & ZEND_ACC_IMMUTABLE)) { ce->refcount++; } return SUCCESS; } return FAILURE; } /* }}} */ // TODO num_symbol_tables as unsigned int? ZEND_API zend_result zend_set_hash_symbol(zval *symbol, const char *name, size_t name_length, bool is_ref, int num_symbol_tables, ...) /* {{{ */ { HashTable *symbol_table; va_list symbol_table_list; if (num_symbol_tables <= 0) return FAILURE; if (is_ref) { ZVAL_MAKE_REF(symbol); } va_start(symbol_table_list, num_symbol_tables); while (num_symbol_tables-- > 0) { symbol_table = va_arg(symbol_table_list, HashTable *); zend_hash_str_update(symbol_table, name, name_length, symbol); Z_TRY_ADDREF_P(symbol); } va_end(symbol_table_list); return SUCCESS; } /* }}} */ /* Disabled functions support */ static void zend_disable_function(const char *function_name, size_t function_name_length) { zend_hash_str_del(CG(function_table), function_name, function_name_length); } ZEND_API void zend_disable_functions(const char *function_list) /* {{{ */ { if (!function_list || !*function_list) { return; } const char *s = NULL, *e = function_list; while (*e) { switch (*e) { case ' ': case ',': if (s) { zend_disable_function(s, e - s); s = NULL; } break; default: if (!s) { s = e; } break; } e++; } if (s) { zend_disable_function(s, e - s); } /* Rehash the function table after deleting functions. This ensures that all internal * functions are contiguous, which means we don't need to perform full table cleanup * on shutdown. */ zend_hash_rehash(CG(function_table)); } /* }}} */ #ifdef ZEND_WIN32 #pragma optimize("", off) #endif static ZEND_COLD zend_object *display_disabled_class(zend_class_entry *class_type) /* {{{ */ { zend_object *intern; intern = zend_objects_new(class_type); /* Initialize default properties */ if (EXPECTED(class_type->default_properties_count != 0)) { zval *p = intern->properties_table; zval *end = p + class_type->default_properties_count; do { ZVAL_UNDEF(p); p++; } while (p != end); } zend_error(E_WARNING, "%s() has been disabled for security reasons", ZSTR_VAL(class_type->name)); return intern; } #ifdef ZEND_WIN32 #pragma optimize("", on) #endif /* }}} */ static const zend_function_entry disabled_class_new[] = { ZEND_FE_END }; ZEND_API zend_result zend_disable_class(const char *class_name, size_t class_name_length) /* {{{ */ { zend_class_entry *disabled_class; zend_string *key; zend_function *fn; key = zend_string_alloc(class_name_length, 0); zend_str_tolower_copy(ZSTR_VAL(key), class_name, class_name_length); disabled_class = zend_hash_find_ptr(CG(class_table), key); zend_string_release_ex(key, 0); if (!disabled_class) { return FAILURE; } INIT_CLASS_ENTRY_INIT_METHODS((*disabled_class), disabled_class_new); disabled_class->create_object = display_disabled_class; ZEND_HASH_FOREACH_PTR(&disabled_class->function_table, fn) { if ((fn->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS)) && fn->common.scope == disabled_class) { zend_free_internal_arg_info(&fn->internal_function); } } ZEND_HASH_FOREACH_END(); zend_hash_clean(&disabled_class->function_table); return SUCCESS; } /* }}} */ static zend_always_inline zend_class_entry *get_scope(zend_execute_data *frame) { return frame && frame->func ? frame->func->common.scope : NULL; } static bool zend_is_callable_check_class(zend_string *name, zend_class_entry *scope, zend_execute_data *frame, zend_fcall_info_cache *fcc, bool *strict_class, char **error) /* {{{ */ { bool ret = 0; zend_class_entry *ce; size_t name_len = ZSTR_LEN(name); zend_string *lcname; ALLOCA_FLAG(use_heap); ZSTR_ALLOCA_ALLOC(lcname, name_len, use_heap); zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(name), name_len); *strict_class = 0; if (zend_string_equals_literal(lcname, "self")) { if (!scope) { if (error) *error = estrdup("cannot access \"self\" when no class scope is active"); } else { fcc->called_scope = zend_get_called_scope(frame); fcc->calling_scope = scope; if (!fcc->object) { fcc->object = zend_get_this_object(frame); } ret = 1; } } else if (zend_string_equals_literal(lcname, "parent")) { if (!scope) { if (error) *error = estrdup("cannot access \"parent\" when no class scope is active"); } else if (!scope->parent) { if (error) *error = estrdup("cannot access \"parent\" when current class scope has no parent"); } else { fcc->called_scope = zend_get_called_scope(frame); fcc->calling_scope = scope->parent; if (!fcc->object) { fcc->object = zend_get_this_object(frame); } *strict_class = 1; ret = 1; } } else if (zend_string_equals_literal(lcname, "static")) { zend_class_entry *called_scope = zend_get_called_scope(frame); if (!called_scope) { if (error) *error = estrdup("cannot access \"static\" when no class scope is active"); } else { fcc->called_scope = called_scope; fcc->calling_scope = called_scope; if (!fcc->object) { fcc->object = zend_get_this_object(frame); } *strict_class = 1; ret = 1; } } else if ((ce = zend_lookup_class(name)) != NULL) { zend_class_entry *scope = get_scope(frame); fcc->calling_scope = ce; if (scope && !fcc->object) { zend_object *object = zend_get_this_object(frame); if (object && instanceof_function(object->ce, scope) && instanceof_function(scope, ce)) { fcc->object = object; fcc->called_scope = object->ce; } else { fcc->called_scope = ce; } } else { fcc->called_scope = fcc->object ? fcc->object->ce : ce; } *strict_class = 1; ret = 1; } else { if (error) zend_spprintf(error, 0, "class \"%.*s\" not found", (int)name_len, ZSTR_VAL(name)); } ZSTR_ALLOCA_FREE(lcname, use_heap); return ret; } /* }}} */ ZEND_API void zend_release_fcall_info_cache(zend_fcall_info_cache *fcc) { if (fcc->function_handler && (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) { if (fcc->function_handler->common.function_name) { zend_string_release_ex(fcc->function_handler->common.function_name, 0); } zend_free_trampoline(fcc->function_handler); fcc->function_handler = NULL; } } static zend_always_inline bool zend_is_callable_check_func(int check_flags, zval *callable, zend_execute_data *frame, zend_fcall_info_cache *fcc, bool strict_class, char **error) /* {{{ */ { zend_class_entry *ce_org = fcc->calling_scope; bool retval = 0; zend_string *mname, *cname; zend_string *lmname; const char *colon; size_t clen; HashTable *ftable; int call_via_handler = 0; zend_class_entry *scope; zval *zv; ALLOCA_FLAG(use_heap) fcc->calling_scope = NULL; if (!ce_org) { zend_function *func; zend_string *lmname; /* Check if function with given name exists. * This may be a compound name that includes namespace name */ if (UNEXPECTED(Z_STRVAL_P(callable)[0] == '\\')) { /* Skip leading \ */ ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable) - 1, use_heap); zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1); func = zend_fetch_function(lmname); ZSTR_ALLOCA_FREE(lmname, use_heap); } else { lmname = Z_STR_P(callable); func = zend_fetch_function(lmname); if (!func) { ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable), use_heap); zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable), Z_STRLEN_P(callable)); func = zend_fetch_function(lmname); ZSTR_ALLOCA_FREE(lmname, use_heap); } } if (EXPECTED(func != NULL)) { fcc->function_handler = func; return 1; } } /* Split name into class/namespace and method/function names */ if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL && colon > Z_STRVAL_P(callable) && *(colon-1) == ':' ) { size_t mlen; colon--; clen = colon - Z_STRVAL_P(callable); mlen = Z_STRLEN_P(callable) - clen - 2; if (colon == Z_STRVAL_P(callable)) { if (error) *error = estrdup("invalid function name"); return 0; } /* This is a compound name. * Try to fetch class and then find static method. */ if (ce_org) { scope = ce_org; } else { scope = get_scope(frame); } cname = zend_string_init(Z_STRVAL_P(callable), clen, 0); if (!zend_is_callable_check_class(cname, scope, frame, fcc, &strict_class, error)) { zend_string_release_ex(cname, 0); return 0; } zend_string_release_ex(cname, 0); ftable = &fcc->calling_scope->function_table; if (ce_org && !instanceof_function(ce_org, fcc->calling_scope)) { if (error) zend_spprintf(error, 0, "class %s is not a subclass of %s", ZSTR_VAL(ce_org->name), ZSTR_VAL(fcc->calling_scope->name)); return 0; } mname = zend_string_init(Z_STRVAL_P(callable) + clen + 2, mlen, 0); } else if (ce_org) { /* Try to fetch find static method of given class. */ mname = Z_STR_P(callable); zend_string_addref(mname); ftable = &ce_org->function_table; fcc->calling_scope = ce_org; } else { /* We already checked for plain function before. */ if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { zend_spprintf(error, 0, "function \"%s\" not found or invalid function name", Z_STRVAL_P(callable)); } return 0; } lmname = zend_string_tolower(mname); if (strict_class && fcc->calling_scope && zend_string_equals_literal(lmname, ZEND_CONSTRUCTOR_FUNC_NAME)) { fcc->function_handler = fcc->calling_scope->constructor; if (fcc->function_handler) { retval = 1; } } else if ((zv = zend_hash_find(ftable, lmname)) != NULL) { fcc->function_handler = Z_PTR_P(zv); retval = 1; if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) && !strict_class) { scope = get_scope(frame); if (scope && instanceof_function(fcc->function_handler->common.scope, scope)) { zv = zend_hash_find(&scope->function_table, lmname); if (zv != NULL) { zend_function *priv_fbc = Z_PTR_P(zv); if ((priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE) && priv_fbc->common.scope == scope) { fcc->function_handler = priv_fbc; } } } } if (!(fcc->function_handler->common.fn_flags & ZEND_ACC_PUBLIC) && (fcc->calling_scope && ((fcc->object && fcc->calling_scope->__call) || (!fcc->object && fcc->calling_scope->__callstatic)))) { scope = get_scope(frame); if (fcc->function_handler->common.scope != scope) { if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PRIVATE) || !zend_check_protected(zend_get_function_root_class(fcc->function_handler), scope)) { retval = 0; fcc->function_handler = NULL; goto get_function_via_handler; } } } } else { get_function_via_handler: if (fcc->object && fcc->calling_scope == ce_org) { if (strict_class && ce_org->__call) { fcc->function_handler = zend_get_call_trampoline_func(ce_org, mname, 0); call_via_handler = 1; retval = 1; } else { fcc->function_handler = fcc->object->handlers->get_method(&fcc->object, mname, NULL); if (fcc->function_handler) { if (strict_class && (!fcc->function_handler->common.scope || !instanceof_function(ce_org, fcc->function_handler->common.scope))) { zend_release_fcall_info_cache(fcc); } else { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0; } } } } else if (fcc->calling_scope) { if (fcc->calling_scope->get_static_method) { fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname); } else { fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, NULL); } if (fcc->function_handler) { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0; if (call_via_handler && !fcc->object) { zend_object *object = zend_get_this_object(frame); if (object && instanceof_function(object->ce, fcc->calling_scope)) { fcc->object = object; } } } } } if (retval) { if (fcc->calling_scope && !call_via_handler) { if (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT) { retval = 0; if (error) { zend_spprintf(error, 0, "cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name)); } } else if (!fcc->object && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) { retval = 0; if (error) { zend_spprintf(error, 0, "non-static method %s::%s() cannot be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name)); } } if (retval && !(fcc->function_handler->common.fn_flags & ZEND_ACC_PUBLIC)) { scope = get_scope(frame); if (fcc->function_handler->common.scope != scope) { if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PRIVATE) || (!zend_check_protected(zend_get_function_root_class(fcc->function_handler), scope))) { if (error) { if (*error) { efree(*error); } zend_spprintf(error, 0, "cannot access %s method %s::%s()", zend_visibility_string(fcc->function_handler->common.fn_flags), ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name)); } retval = 0; } } } } } else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { if (fcc->calling_scope) { if (error) zend_spprintf(error, 0, "class %s does not have a method \"%s\"", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(mname)); } else { if (error) zend_spprintf(error, 0, "function %s() does not exist", ZSTR_VAL(mname)); } } zend_string_release_ex(lmname, 0); zend_string_release_ex(mname, 0); if (fcc->object) { fcc->called_scope = fcc->object->ce; if (fcc->function_handler && (fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) { fcc->object = NULL; } } return retval; } /* }}} */ ZEND_API zend_string *zend_get_callable_name_ex(zval *callable, zend_object *object) /* {{{ */ { try_again: switch (Z_TYPE_P(callable)) { case IS_STRING: if (object) { return zend_create_member_string(object->ce->name, Z_STR_P(callable)); } return zend_string_copy(Z_STR_P(callable)); case IS_ARRAY: { zval *method = NULL; zval *obj = NULL; if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { obj = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 0); method = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 1); } if (obj == NULL || method == NULL || Z_TYPE_P(method) != IS_STRING) { return ZSTR_KNOWN(ZEND_STR_ARRAY_CAPITALIZED); } if (Z_TYPE_P(obj) == IS_STRING) { return zend_create_member_string(Z_STR_P(obj), Z_STR_P(method)); } else if (Z_TYPE_P(obj) == IS_OBJECT) { return zend_create_member_string(Z_OBJCE_P(obj)->name, Z_STR_P(method)); } else { return ZSTR_KNOWN(ZEND_STR_ARRAY_CAPITALIZED); } } case IS_OBJECT: { zend_class_entry *ce = Z_OBJCE_P(callable); return zend_string_concat2( ZSTR_VAL(ce->name), ZSTR_LEN(ce->name), "::__invoke", sizeof("::__invoke") - 1); } case IS_REFERENCE: callable = Z_REFVAL_P(callable); goto try_again; default: return zval_get_string_func(callable); } } /* }}} */ ZEND_API zend_string *zend_get_callable_name(zval *callable) /* {{{ */ { return zend_get_callable_name_ex(callable, NULL); } /* }}} */ ZEND_API bool zend_is_callable_at_frame( zval *callable, zend_object *object, zend_execute_data *frame, uint32_t check_flags, zend_fcall_info_cache *fcc, char **error) /* {{{ */ { bool ret; zend_fcall_info_cache fcc_local; bool strict_class = 0; if (fcc == NULL) { fcc = &fcc_local; } if (error) { *error = NULL; } fcc->calling_scope = NULL; fcc->called_scope = NULL; fcc->function_handler = NULL; fcc->object = NULL; again: switch (Z_TYPE_P(callable)) { case IS_STRING: if (object) { fcc->object = object; fcc->calling_scope = object->ce; } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { fcc->called_scope = fcc->calling_scope; return 1; } check_func: ret = zend_is_callable_check_func(check_flags, callable, frame, fcc, strict_class, error); if (fcc == &fcc_local) { zend_release_fcall_info_cache(fcc); } return ret; case IS_ARRAY: { zval *method = NULL; zval *obj = NULL; if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { obj = zend_hash_index_find(Z_ARRVAL_P(callable), 0); method = zend_hash_index_find(Z_ARRVAL_P(callable), 1); } do { if (obj == NULL || method == NULL) { break; } ZVAL_DEREF(method); if (Z_TYPE_P(method) != IS_STRING) { break; } ZVAL_DEREF(obj); if (Z_TYPE_P(obj) == IS_STRING) { if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { return 1; } if (!zend_is_callable_check_class(Z_STR_P(obj), get_scope(frame), frame, fcc, &strict_class, error)) { return 0; } } else if (Z_TYPE_P(obj) == IS_OBJECT) { fcc->calling_scope = Z_OBJCE_P(obj); /* TBFixed: what if it's overloaded? */ fcc->object = Z_OBJ_P(obj); if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { fcc->called_scope = fcc->calling_scope; return 1; } } else { break; } callable = method; goto check_func; } while (0); if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { if (!obj || (!Z_ISREF_P(obj)? (Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT) : (Z_TYPE_P(Z_REFVAL_P(obj)) != IS_STRING && Z_TYPE_P(Z_REFVAL_P(obj)) != IS_OBJECT))) { if (error) *error = estrdup("first array member is not a valid class name or object"); } else { if (error) *error = estrdup("second array member is not a valid method"); } } else { if (error) *error = estrdup("array must have exactly two members"); } } return 0; case IS_OBJECT: if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(Z_OBJ_P(callable), &fcc->calling_scope, &fcc->function_handler, &fcc->object, 1) == SUCCESS) { fcc->called_scope = fcc->calling_scope; if (fcc == &fcc_local) { zend_release_fcall_info_cache(fcc); } return 1; } if (error) *error = estrdup("no array or string given"); return 0; case IS_REFERENCE: callable = Z_REFVAL_P(callable); goto again; default: if (error) *error = estrdup("no array or string given"); return 0; } } /* }}} */ ZEND_API bool zend_is_callable_ex(zval *callable, zend_object *object, uint32_t check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error) /* {{{ */ { /* Determine callability at the first parent user frame. */ zend_execute_data *frame = EG(current_execute_data); while (frame && (!frame->func || !ZEND_USER_CODE(frame->func->type))) { frame = frame->prev_execute_data; } bool ret = zend_is_callable_at_frame(callable, object, frame, check_flags, fcc, error); if (callable_name) { *callable_name = zend_get_callable_name_ex(callable, object); } return ret; } ZEND_API bool zend_is_callable(zval *callable, uint32_t check_flags, zend_string **callable_name) /* {{{ */ { return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL); } /* }}} */ ZEND_API bool zend_make_callable(zval *callable, zend_string **callable_name) /* {{{ */ { zend_fcall_info_cache fcc; if (zend_is_callable_ex(callable, NULL, 0, callable_name, &fcc, NULL)) { if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) { zval_ptr_dtor_str(callable); array_init(callable); add_next_index_str(callable, zend_string_copy(fcc.calling_scope->name)); add_next_index_str(callable, zend_string_copy(fcc.function_handler->common.function_name)); } zend_release_fcall_info_cache(&fcc); return 1; } return 0; } /* }}} */ ZEND_API zend_result zend_fcall_info_init(zval *callable, uint32_t check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, zend_string **callable_name, char **error) /* {{{ */ { if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, fcc, error)) { return FAILURE; } fci->size = sizeof(*fci); fci->object = fcc->object; ZVAL_COPY_VALUE(&fci->function_name, callable); fci->retval = NULL; fci->param_count = 0; fci->params = NULL; fci->named_params = NULL; return SUCCESS; } /* }}} */ ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, bool free_mem) /* {{{ */ { if (fci->params) { zval *p = fci->params; zval *end = p + fci->param_count; while (p != end) { i_zval_ptr_dtor(p); p++; } if (free_mem) { efree(fci->params); fci->params = NULL; } } fci->param_count = 0; } /* }}} */ ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, uint32_t *param_count, zval **params) /* {{{ */ { *param_count = fci->param_count; *params = fci->params; fci->param_count = 0; fci->params = NULL; } /* }}} */ ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, uint32_t param_count, zval *params) /* {{{ */ { zend_fcall_info_args_clear(fci, 1); fci->param_count = param_count; fci->params = params; } /* }}} */ ZEND_API zend_result zend_fcall_info_args_ex(zend_fcall_info *fci, zend_function *func, zval *args) /* {{{ */ { zval *arg, *params; uint32_t n = 1; zend_fcall_info_args_clear(fci, !args); if (!args) { return SUCCESS; } if (Z_TYPE_P(args) != IS_ARRAY) { return FAILURE; } fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args)); fci->params = params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(args), arg) { if (func && !Z_ISREF_P(arg) && ARG_SHOULD_BE_SENT_BY_REF(func, n)) { ZVAL_NEW_REF(params, arg); Z_TRY_ADDREF_P(arg); } else { ZVAL_COPY(params, arg); } params++; n++; } ZEND_HASH_FOREACH_END(); return SUCCESS; } /* }}} */ ZEND_API zend_result zend_fcall_info_args(zend_fcall_info *fci, zval *args) /* {{{ */ { return zend_fcall_info_args_ex(fci, NULL, args); } /* }}} */ ZEND_API void zend_fcall_info_argp(zend_fcall_info *fci, uint32_t argc, zval *argv) /* {{{ */ { zend_fcall_info_args_clear(fci, !argc); if (argc) { fci->param_count = argc; fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); for (uint32_t i = 0; i < argc; ++i) { ZVAL_COPY(&fci->params[i], &argv[i]); } } } /* }}} */ ZEND_API void zend_fcall_info_argv(zend_fcall_info *fci, uint32_t argc, va_list *argv) /* {{{ */ { zend_fcall_info_args_clear(fci, !argc); if (argc) { zval *arg; fci->param_count = argc; fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); for (uint32_t i = 0; i < argc; ++i) { arg = va_arg(*argv, zval *); ZVAL_COPY(&fci->params[i], arg); } } } /* }}} */ ZEND_API void zend_fcall_info_argn(zend_fcall_info *fci, uint32_t argc, ...) /* {{{ */ { va_list argv; va_start(argv, argc); zend_fcall_info_argv(fci, argc, &argv); va_end(argv); } /* }}} */ ZEND_API zend_result zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval *retval_ptr, zval *args) /* {{{ */ { zval retval, *org_params = NULL; uint32_t org_count = 0; zend_result result; fci->retval = retval_ptr ? retval_ptr : &retval; if (args) { zend_fcall_info_args_save(fci, &org_count, &org_params); zend_fcall_info_args(fci, args); } result = zend_call_function(fci, fcc); if (!retval_ptr && Z_TYPE(retval) != IS_UNDEF) { zval_ptr_dtor(&retval); } if (args) { zend_fcall_info_args_restore(fci, org_count, org_params); } return result; } /* }}} */ ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */ { zend_string *lname; size_t name_len = strlen(module_name); zend_module_entry *module; lname = zend_string_alloc(name_len, 0); zend_str_tolower_copy(ZSTR_VAL(lname), module_name, name_len); module = zend_hash_find_ptr(&module_registry, lname); zend_string_efree(lname); return module ? module->version : NULL; } /* }}} */ static inline zend_string *zval_make_interned_string(zval *zv) /* {{{ */ { ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING); Z_STR_P(zv) = zend_new_interned_string(Z_STR_P(zv)); if (ZSTR_IS_INTERNED(Z_STR_P(zv))) { Z_TYPE_FLAGS_P(zv) = 0; } return Z_STR_P(zv); } static zend_always_inline bool is_persistent_class(zend_class_entry *ce) { return (ce->type & ZEND_INTERNAL_CLASS) && ce->info.internal.module->type == MODULE_PERSISTENT; } ZEND_API zend_property_info *zend_declare_typed_property(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment, zend_type type) /* {{{ */ { zend_property_info *property_info, *property_info_ptr; if (ZEND_TYPE_IS_SET(type)) { ce->ce_flags |= ZEND_ACC_HAS_TYPE_HINTS; } if (ce->type == ZEND_INTERNAL_CLASS) { property_info = pemalloc(sizeof(zend_property_info), 1); } else { property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info)); if (Z_TYPE_P(property) == IS_CONSTANT_AST) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; if (access_type & ZEND_ACC_STATIC) { ce->ce_flags |= ZEND_ACC_HAS_AST_STATICS; } else { ce->ce_flags |= ZEND_ACC_HAS_AST_PROPERTIES; } } } if (Z_TYPE_P(property) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(property))) { zval_make_interned_string(property); } if (!(access_type & ZEND_ACC_PPP_MASK)) { access_type |= ZEND_ACC_PUBLIC; } if (access_type & ZEND_ACC_STATIC) { if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL && (property_info_ptr->flags & ZEND_ACC_STATIC) != 0) { property_info->offset = property_info_ptr->offset; zval_ptr_dtor(&ce->default_static_members_table[property_info->offset]); zend_hash_del(&ce->properties_info, name); } else { property_info->offset = ce->default_static_members_count++; ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval) * ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS); } ZVAL_COPY_VALUE(&ce->default_static_members_table[property_info->offset], property); if (!ZEND_MAP_PTR(ce->static_members_table)) { ZEND_ASSERT(ce->type == ZEND_INTERNAL_CLASS); if (!EG(current_execute_data)) { ZEND_MAP_PTR_NEW(ce->static_members_table); } else { /* internal class loaded by dl() */ ZEND_MAP_PTR_INIT(ce->static_members_table, &ce->default_static_members_table); } } } else { zval *property_default_ptr; if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL && (property_info_ptr->flags & ZEND_ACC_STATIC) == 0) { property_info->offset = property_info_ptr->offset; zval_ptr_dtor(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)]); zend_hash_del(&ce->properties_info, name); ZEND_ASSERT(ce->type == ZEND_INTERNAL_CLASS); ZEND_ASSERT(ce->properties_info_table != NULL); ce->properties_info_table[OBJ_PROP_TO_NUM(property_info->offset)] = property_info; } else { property_info->offset = OBJ_PROP_TO_OFFSET(ce->default_properties_count); ce->default_properties_count++; ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS); /* For user classes this is handled during linking */ if (ce->type == ZEND_INTERNAL_CLASS) { ce->properties_info_table = perealloc(ce->properties_info_table, sizeof(zend_property_info *) * ce->default_properties_count, 1); ce->properties_info_table[ce->default_properties_count - 1] = property_info; } } property_default_ptr = &ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)]; ZVAL_COPY_VALUE(property_default_ptr, property); Z_PROP_FLAG_P(property_default_ptr) = Z_ISUNDEF_P(property) ? IS_PROP_UNINIT : 0; } if (ce->type & ZEND_INTERNAL_CLASS) { /* Must be interned to avoid ZTS data races */ if (is_persistent_class(ce)) { name = zend_new_interned_string(zend_string_copy(name)); } if (Z_REFCOUNTED_P(property)) { zend_error_noreturn(E_CORE_ERROR, "Internal zvals cannot be refcounted"); } } if (access_type & ZEND_ACC_PUBLIC) { property_info->name = zend_string_copy(name); } else if (access_type & ZEND_ACC_PRIVATE) { property_info->name = zend_mangle_property_name(ZSTR_VAL(ce->name), ZSTR_LEN(ce->name), ZSTR_VAL(name), ZSTR_LEN(name), is_persistent_class(ce)); } else { ZEND_ASSERT(access_type & ZEND_ACC_PROTECTED); property_info->name = zend_mangle_property_name("*", 1, ZSTR_VAL(name), ZSTR_LEN(name), is_persistent_class(ce)); } property_info->name = zend_new_interned_string(property_info->name); property_info->flags = access_type; property_info->doc_comment = doc_comment; property_info->attributes = NULL; property_info->ce = ce; property_info->type = type; zend_hash_update_ptr(&ce->properties_info, name, property_info); return property_info; } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_ex(zend_reference *ref, zval *val, bool strict) /* {{{ */ { if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, val, strict))) { zval_ptr_dtor(val); return FAILURE; } else { zval_ptr_dtor(&ref->val); ZVAL_COPY_VALUE(&ref->val, val); return SUCCESS; } } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref(zend_reference *ref, zval *val) /* {{{ */ { return zend_try_assign_typed_ref_ex(ref, val, ZEND_ARG_USES_STRICT_TYPES()); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_null(zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_bool(zend_reference *ref, bool val) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, val); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_long(zend_reference *ref, zend_long lval) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, lval); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_double(zend_reference *ref, double dval) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, dval); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_empty_string(zend_reference *ref) /* {{{ */ { zval tmp; ZVAL_EMPTY_STRING(&tmp); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_str(zend_reference *ref, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_string(zend_reference *ref, const char *string) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, string); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_stringl(zend_reference *ref, const char *string, size_t len) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, string, len); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_arr(zend_reference *ref, zend_array *arr) /* {{{ */ { zval tmp; ZVAL_ARR(&tmp, arr); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_res(zend_reference *ref, zend_resource *res) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, res); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_zval(zend_reference *ref, zval *zv) /* {{{ */ { zval tmp; ZVAL_COPY_VALUE(&tmp, zv); return zend_try_assign_typed_ref(ref, &tmp); } /* }}} */ ZEND_API zend_result zend_try_assign_typed_ref_zval_ex(zend_reference *ref, zval *zv, bool strict) /* {{{ */ { zval tmp; ZVAL_COPY_VALUE(&tmp, zv); return zend_try_assign_typed_ref_ex(ref, &tmp, strict); } /* }}} */ ZEND_API void zend_declare_property_ex(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment) /* {{{ */ { zend_declare_typed_property(ce, name, property, access_type, doc_comment, (zend_type) ZEND_TYPE_INIT_NONE(0)); } /* }}} */ ZEND_API void zend_declare_property(zend_class_entry *ce, const char *name, size_t name_length, zval *property, int access_type) /* {{{ */ { zend_string *key = zend_string_init(name, name_length, is_persistent_class(ce)); zend_declare_property_ex(ce, key, property, access_type, NULL); zend_string_release(key); } /* }}} */ ZEND_API void zend_declare_property_null(zend_class_entry *ce, const char *name, size_t name_length, int access_type) /* {{{ */ { zval property; ZVAL_NULL(&property); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API void zend_declare_property_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */ { zval property; ZVAL_BOOL(&property, value); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API void zend_declare_property_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */ { zval property; ZVAL_LONG(&property, value); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API void zend_declare_property_double(zend_class_entry *ce, const char *name, size_t name_length, double value, int access_type) /* {{{ */ { zval property; ZVAL_DOUBLE(&property, value); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API void zend_declare_property_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value, int access_type) /* {{{ */ { zval property; ZVAL_NEW_STR(&property, zend_string_init(value, strlen(value), ce->type & ZEND_INTERNAL_CLASS)); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API void zend_declare_property_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_len, int access_type) /* {{{ */ { zval property; ZVAL_NEW_STR(&property, zend_string_init(value, value_len, ce->type & ZEND_INTERNAL_CLASS)); zend_declare_property(ce, name, name_length, &property, access_type); } /* }}} */ ZEND_API zend_class_constant *zend_declare_class_constant_ex(zend_class_entry *ce, zend_string *name, zval *value, int access_type, zend_string *doc_comment) /* {{{ */ { zend_class_constant *c; if (ce->ce_flags & ZEND_ACC_INTERFACE) { if (access_type != ZEND_ACC_PUBLIC) { zend_error_noreturn(E_COMPILE_ERROR, "Access type for interface constant %s::%s must be public", ZSTR_VAL(ce->name), ZSTR_VAL(name)); } } if (zend_string_equals_literal_ci(name, "class")) { zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR, "A class constant must not be called 'class'; it is reserved for class name fetching"); } if (Z_TYPE_P(value) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(value))) { zval_make_interned_string(value); } if (ce->type == ZEND_INTERNAL_CLASS) { c = pemalloc(sizeof(zend_class_constant), 1); } else { c = zend_arena_alloc(&CG(arena), sizeof(zend_class_constant)); } ZVAL_COPY_VALUE(&c->value, value); Z_ACCESS_FLAGS(c->value) = access_type; c->doc_comment = doc_comment; c->attributes = NULL; c->ce = ce; if (Z_TYPE_P(value) == IS_CONSTANT_AST) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; ce->ce_flags |= ZEND_ACC_HAS_AST_CONSTANTS; } if (!zend_hash_add_ptr(&ce->constants_table, name, c)) { zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR, "Cannot redefine class constant %s::%s", ZSTR_VAL(ce->name), ZSTR_VAL(name)); } return c; } /* }}} */ ZEND_API void zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value) /* {{{ */ { zend_string *key; if (ce->type == ZEND_INTERNAL_CLASS) { key = zend_string_init_interned(name, name_length, 1); } else { key = zend_string_init(name, name_length, 0); } zend_declare_class_constant_ex(ce, key, value, ZEND_ACC_PUBLIC, NULL); zend_string_release(key); } /* }}} */ ZEND_API void zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length) /* {{{ */ { zval constant; ZVAL_NULL(&constant); zend_declare_class_constant(ce, name, name_length, &constant); } /* }}} */ ZEND_API void zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value) /* {{{ */ { zval constant; ZVAL_LONG(&constant, value); zend_declare_class_constant(ce, name, name_length, &constant); } /* }}} */ ZEND_API void zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, bool value) /* {{{ */ { zval constant; ZVAL_BOOL(&constant, value); zend_declare_class_constant(ce, name, name_length, &constant); } /* }}} */ ZEND_API void zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value) /* {{{ */ { zval constant; ZVAL_DOUBLE(&constant, value); zend_declare_class_constant(ce, name, name_length, &constant); } /* }}} */ ZEND_API void zend_declare_class_constant_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_length) /* {{{ */ { zval constant; ZVAL_NEW_STR(&constant, zend_string_init(value, value_length, ce->type & ZEND_INTERNAL_CLASS)); zend_declare_class_constant(ce, name, name_length, &constant); } /* }}} */ ZEND_API void zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value) /* {{{ */ { zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value)); } /* }}} */ ZEND_API void zend_update_property_ex(zend_class_entry *scope, zend_object *object, zend_string *name, zval *value) /* {{{ */ { zend_class_entry *old_scope = EG(fake_scope); EG(fake_scope) = scope; object->handlers->write_property(object, name, value, NULL); EG(fake_scope) = old_scope; } /* }}} */ ZEND_API void zend_update_property(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, zval *value) /* {{{ */ { zend_string *property; zend_class_entry *old_scope = EG(fake_scope); EG(fake_scope) = scope; property = zend_string_init(name, name_length, 0); object->handlers->write_property(object, property, value, NULL); zend_string_release_ex(property, 0); EG(fake_scope) = old_scope; } /* }}} */ ZEND_API void zend_update_property_null(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_unset_property(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length) /* {{{ */ { zend_string *property; zend_class_entry *old_scope = EG(fake_scope); EG(fake_scope) = scope; property = zend_string_init(name, name_length, 0); object->handlers->unset_property(object, property, 0); zend_string_release_ex(property, 0); EG(fake_scope) = old_scope; } /* }}} */ ZEND_API void zend_update_property_bool(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, zend_long value) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_update_property_long(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, zend_long value) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_update_property_double(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, double value) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_update_property_str(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, zend_string *value) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_update_property_string(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, const char *value) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, value); Z_SET_REFCOUNT(tmp, 0); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, value, value_len); Z_SET_REFCOUNT(tmp, 0); zend_update_property(scope, object, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_ex(zend_class_entry *scope, zend_string *name, zval *value) /* {{{ */ { zval *property, tmp; zend_property_info *prop_info; zend_class_entry *old_scope = EG(fake_scope); if (UNEXPECTED(!(scope->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) { if (UNEXPECTED(zend_update_class_constants(scope)) != SUCCESS) { return FAILURE; } } EG(fake_scope) = scope; property = zend_std_get_static_property_with_info(scope, name, BP_VAR_W, &prop_info); EG(fake_scope) = old_scope; if (!property) { return FAILURE; } ZEND_ASSERT(!Z_ISREF_P(value)); Z_TRY_ADDREF_P(value); if (ZEND_TYPE_IS_SET(prop_info->type)) { ZVAL_COPY_VALUE(&tmp, value); if (!zend_verify_property_type(prop_info, &tmp, /* strict */ 0)) { Z_TRY_DELREF_P(value); return FAILURE; } value = &tmp; } zend_assign_to_variable(property, value, IS_TMP_VAR, /* strict */ 0); return SUCCESS; } /* }}} */ ZEND_API zend_result zend_update_static_property(zend_class_entry *scope, const char *name, size_t name_length, zval *value) /* {{{ */ { zend_string *key = zend_string_init(name, name_length, 0); bool retval = zend_update_static_property_ex(scope, key, value); zend_string_efree(key); return retval; } /* }}} */ ZEND_API zend_result zend_update_static_property_null(zend_class_entry *scope, const char *name, size_t name_length) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_bool(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_long(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_double(zend_class_entry *scope, const char *name, size_t name_length, double value) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_string(zend_class_entry *scope, const char *name, size_t name_length, const char *value) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, value); Z_SET_REFCOUNT(tmp, 0); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zend_result zend_update_static_property_stringl(zend_class_entry *scope, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, value, value_len); Z_SET_REFCOUNT(tmp, 0); return zend_update_static_property(scope, name, name_length, &tmp); } /* }}} */ ZEND_API zval *zend_read_property_ex(zend_class_entry *scope, zend_object *object, zend_string *name, bool silent, zval *rv) /* {{{ */ { zval *value; zend_class_entry *old_scope = EG(fake_scope); EG(fake_scope) = scope; value = object->handlers->read_property(object, name, silent?BP_VAR_IS:BP_VAR_R, NULL, rv); EG(fake_scope) = old_scope; return value; } /* }}} */ ZEND_API zval *zend_read_property(zend_class_entry *scope, zend_object *object, const char *name, size_t name_length, bool silent, zval *rv) /* {{{ */ { zval *value; zend_string *str; str = zend_string_init(name, name_length, 0); value = zend_read_property_ex(scope, object, str, silent, rv); zend_string_release_ex(str, 0); return value; } /* }}} */ ZEND_API zval *zend_read_static_property_ex(zend_class_entry *scope, zend_string *name, bool silent) /* {{{ */ { zval *property; zend_class_entry *old_scope = EG(fake_scope); EG(fake_scope) = scope; property = zend_std_get_static_property(scope, name, silent ? BP_VAR_IS : BP_VAR_R); EG(fake_scope) = old_scope; return property; } /* }}} */ ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, size_t name_length, bool silent) /* {{{ */ { zend_string *key = zend_string_init(name, name_length, 0); zval *property = zend_read_static_property_ex(scope, key, silent); zend_string_efree(key); return property; } /* }}} */ ZEND_API void zend_save_error_handling(zend_error_handling *current) /* {{{ */ { current->handling = EG(error_handling); current->exception = EG(exception_class); } /* }}} */ ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current) /* {{{ */ { if (current) { zend_save_error_handling(current); } ZEND_ASSERT(error_handling == EH_THROW || exception_class == NULL); EG(error_handling) = error_handling; EG(exception_class) = exception_class; } /* }}} */ ZEND_API void zend_restore_error_handling(zend_error_handling *saved) /* {{{ */ { EG(error_handling) = saved->handling; EG(exception_class) = saved->exception; } /* }}} */ ZEND_API ZEND_COLD const char *zend_get_object_type(const zend_class_entry *ce) /* {{{ */ { if(ce->ce_flags & ZEND_ACC_TRAIT) { return "trait"; } else if (ce->ce_flags & ZEND_ACC_INTERFACE) { return "interface"; } else { return "class"; } } /* }}} */ ZEND_API bool zend_is_iterable(zval *iterable) /* {{{ */ { switch (Z_TYPE_P(iterable)) { case IS_ARRAY: return 1; case IS_OBJECT: return zend_class_implements_interface(Z_OBJCE_P(iterable), zend_ce_traversable); default: return 0; } } /* }}} */ ZEND_API bool zend_is_countable(zval *countable) /* {{{ */ { switch (Z_TYPE_P(countable)) { case IS_ARRAY: return 1; case IS_OBJECT: if (Z_OBJ_HT_P(countable)->count_elements) { return 1; } return zend_class_implements_interface(Z_OBJCE_P(countable), zend_ce_countable); default: return 0; } } /* }}} */ static zend_result get_default_via_ast(zval *default_value_zval, const char *default_value) { zend_ast *ast; zend_arena *ast_arena; zend_string *code = zend_string_concat3( "child[0]; zend_arena *original_ast_arena = CG(ast_arena); uint32_t original_compiler_options = CG(compiler_options); zend_file_context original_file_context; CG(ast_arena) = ast_arena; /* Disable constant substitution, to make getDefaultValueConstant() work. */ CG(compiler_options) |= ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION | ZEND_COMPILE_NO_PERSISTENT_CONSTANT_SUBSTITUTION; zend_file_context_begin(&original_file_context); zend_const_expr_to_zval(default_value_zval, const_expr_ast_ptr); CG(ast_arena) = original_ast_arena; CG(compiler_options) = original_compiler_options; zend_file_context_end(&original_file_context); zend_ast_destroy(ast); zend_arena_destroy(ast_arena); return SUCCESS; } static zend_string *try_parse_string(const char *str, size_t len, char quote) { if (len == 0) { return ZSTR_EMPTY_ALLOC(); } for (size_t i = 0; i < len; i++) { if (str[i] == '\\' || str[i] == quote) { return NULL; } } return zend_string_init(str, len, 0); } ZEND_API zend_result zend_get_default_from_internal_arg_info( zval *default_value_zval, zend_internal_arg_info *arg_info) { const char *default_value = arg_info->default_value; if (!default_value) { return FAILURE; } /* Avoid going through the full AST machinery for some simple and common cases. */ size_t default_value_len = strlen(default_value); zend_ulong lval; if (default_value_len == sizeof("null")-1 && !memcmp(default_value, "null", sizeof("null")-1)) { ZVAL_NULL(default_value_zval); return SUCCESS; } else if (default_value_len == sizeof("true")-1 && !memcmp(default_value, "true", sizeof("true")-1)) { ZVAL_TRUE(default_value_zval); return SUCCESS; } else if (default_value_len == sizeof("false")-1 && !memcmp(default_value, "false", sizeof("false")-1)) { ZVAL_FALSE(default_value_zval); return SUCCESS; } else if (default_value_len >= 2 && (default_value[0] == '\'' || default_value[0] == '"') && default_value[default_value_len - 1] == default_value[0]) { zend_string *str = try_parse_string( default_value + 1, default_value_len - 2, default_value[0]); if (str) { ZVAL_STR(default_value_zval, str); return SUCCESS; } } else if (default_value_len == sizeof("[]")-1 && !memcmp(default_value, "[]", sizeof("[]")-1)) { ZVAL_EMPTY_ARRAY(default_value_zval); return SUCCESS; } else if (ZEND_HANDLE_NUMERIC_STR(default_value, default_value_len, lval)) { ZVAL_LONG(default_value_zval, lval); return SUCCESS; } #if 0 fprintf(stderr, "Evaluating %s via AST\n", default_value); #endif return get_default_via_ast(default_value_zval, default_value); }