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php-src/Zend/zend_API.c
Nikita Popov 0bd64b50b8 Fixed bug #71617
2016-02-21 13:00:37 +01:00

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122 KiB
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| Andrei Zmievski <andrei@php.net> |
| Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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_exceptions.h"
#include "zend_closures.h"
#include "zend_inheritance.h"
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
/* 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;
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */
{
int arg_count;
va_list ptr;
zval **param, *param_ptr;
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;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval **);
if (!Z_ISREF_P(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
zval new_tmp;
ZVAL_DUP(&new_tmp, param_ptr);
Z_DELREF_P(param_ptr);
ZVAL_COPY_VALUE(param_ptr, &new_tmp);
}
*param = param_ptr;
param_ptr++;
}
va_end(ptr);
return SUCCESS;
}
/* }}} */
/* Zend-optimized Extended functions */
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */
{
int arg_count;
va_list ptr;
zval **param, *param_ptr;
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;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval **);
*param = param_ptr;
param_ptr++;
}
va_end(ptr);
return SUCCESS;
}
/* }}} */
ZEND_API int _zend_get_parameters_array_ex(int param_count, zval *argument_array) /* {{{ */
{
zval *param_ptr;
int 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 int zend_copy_parameters_array(int param_count, zval *argument_array) /* {{{ */
{
zval *param_ptr;
int 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) {
if (Z_REFCOUNTED_P(param_ptr)) {
Z_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_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name());
}
/* }}} */
/* Argument parsing API -- andrei */
ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
{
switch(type) {
case IS_FALSE:
case IS_TRUE:
case _IS_BOOL:
return "boolean";
case IS_LONG:
return "integer";
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_ARRAY:
return "array";
default:
return "unknown";
}
}
/* }}} */
ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
{
ZVAL_DEREF(arg);
return zend_get_type_by_const(Z_TYPE_P(arg));
}
/* }}} */
#ifdef FAST_ZPP
ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_paramers_count_error(int num_args, int min_num_args, int max_num_args) /* {{{ */
{
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_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects %s %d parameter%s, %d given",
class_name, \
class_name[0] ? "::" : "", \
ZSTR_VAL(active_function->common.function_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_API ZEND_COLD void ZEND_FASTCALL zend_wrong_paramer_type_error(int num, zend_expected_type expected_type, zval *arg) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space);
static const char * const expected_error[] = {
Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
NULL
};
zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(), num, expected_error[expected_type], zend_zval_type_name(arg));
}
/* }}} */
ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_paramer_class_error(int num, char *name, zval *arg) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space);
zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(), num, name, zend_zval_type_name(arg));
}
/* }}} */
ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_error(int severity, int num, char *error) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space);
if (severity == E_WARNING) {
zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid callback, %s",
class_name, space, get_active_function_name(), num, error);
} else if (severity == E_ERROR) {
zend_throw_error(zend_ce_type_error, "%s%s%s() expects parameter %d to be a valid callback, %s",
class_name, space, get_active_function_name(), num, error);
} else {
zend_error(severity, "%s%s%s() expects parameter %d to be a valid callback, %s",
class_name, space, get_active_function_name(), num, error);
}
efree(error);
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_class(zval *arg, zend_class_entry **pce, int num, int check_null) /* {{{ */
{
zend_class_entry *ce_base = *pce;
if (check_null && Z_TYPE_P(arg) == IS_NULL) {
*pce = NULL;
return 1;
}
convert_to_string_ex(arg);
*pce = zend_lookup_class(Z_STR_P(arg));
if (ce_base) {
if ((!*pce || !instanceof_function(*pce, ce_base))) {
const char *space;
const char *class_name = get_active_class_name(&space);
zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a class name derived from %s, '%s' given",
class_name, space, get_active_function_name(), num,
ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
*pce = NULL;
return 0;
}
}
if (!*pce) {
const char *space;
const char *class_name = get_active_class_name(&space);
zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid class name, '%s' given",
class_name, space, get_active_function_name(), num,
Z_STRVAL_P(arg));
return 0;
}
return 1;
}
/* }}} */
#endif
ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_weak(zval *arg, zend_bool *dest) /* {{{ */
{
if (EXPECTED(Z_TYPE_P(arg) <= IS_STRING)) {
*dest = zend_is_true(arg);
} else {
return 0;
}
return 1;
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_slow(zval *arg, zend_bool *dest) /* {{{ */
{
if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
return 0;
}
return zend_parse_arg_bool_weak(arg, dest);
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_long_weak(zval *arg, zend_long *dest) /* {{{ */
{
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;
int 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;
}
}
} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
*dest = 0;
} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
*dest = 1;
} else {
return 0;
}
return 1;
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_long_slow(zval *arg, zend_long *dest) /* {{{ */
{
if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
return 0;
}
return zend_parse_arg_long_weak(arg, dest);
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_weak(zval *arg, zend_long *dest) /* {{{ */
{
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)))) {
*dest = (Z_DVAL_P(arg) > 0) ? ZEND_LONG_MAX : ZEND_LONG_MIN;
} else {
*dest = zend_dval_to_lval(Z_DVAL_P(arg));
}
} else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
double d;
int 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))) {
*dest = (d > 0) ? ZEND_LONG_MAX : ZEND_LONG_MIN;
} else {
*dest = zend_dval_to_lval(d);
}
} else {
return 0;
}
}
} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
*dest = 0;
} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
*dest = 1;
} else {
return 0;
}
return 1;
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_slow(zval *arg, zend_long *dest) /* {{{ */
{
if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
return 0;
}
return zend_parse_arg_long_cap_weak(arg, dest);
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_double_weak(zval *arg, double *dest) /* {{{ */
{
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;
int 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;
}
}
} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
*dest = 0.0;
} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
*dest = 1.0;
} else {
return 0;
}
return 1;
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_double_slow(zval *arg, double *dest) /* {{{ */
{
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);
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_str_weak(zval *arg, zend_string **dest) /* {{{ */
{
if (EXPECTED(Z_TYPE_P(arg) < IS_STRING)) {
convert_to_string(arg);
*dest = Z_STR_P(arg);
} else if (UNEXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) {
if (Z_OBJ_HANDLER_P(arg, cast_object)) {
zval obj;
if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, IS_STRING) == SUCCESS) {
zval_ptr_dtor(arg);
ZVAL_COPY_VALUE(arg, &obj);
*dest = Z_STR_P(arg);
return 1;
}
} else if (Z_OBJ_HANDLER_P(arg, get)) {
zval rv;
zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv);
Z_ADDREF_P(z);
if (Z_TYPE_P(z) != IS_OBJECT) {
zval_dtor(arg);
ZVAL_NULL(arg);
if (!zend_make_printable_zval(z, arg)) {
ZVAL_COPY_VALUE(arg, z);
}
*dest = Z_STR_P(arg);
return 1;
}
zval_ptr_dtor(z);
}
return 0;
} else {
return 0;
}
return 1;
}
/* }}} */
ZEND_API int ZEND_FASTCALL zend_parse_arg_str_slow(zval *arg, zend_string **dest) /* {{{ */
{
if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
return 0;
}
return zend_parse_arg_str_weak(arg, dest);
}
/* }}} */
static const char *zend_parse_arg_impl(int arg_num, zval *arg, va_list *va, const char **spec, char **error, int *severity) /* {{{ */
{
const char *spec_walk = *spec;
char c = *spec_walk++;
int check_null = 0;
zval *real_arg = arg;
/* scan through modifiers */
ZVAL_DEREF(arg);
while (1) {
if (*spec_walk == '/') {
SEPARATE_ZVAL_NOREF(arg);
real_arg = arg;
} else if (*spec_walk == '!') {
check_null = 1;
} else {
break;
}
spec_walk++;
}
switch (c) {
case 'l':
case 'L':
{
zend_long *p = va_arg(*va, zend_long *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!zend_parse_arg_long(arg, p, is_null, check_null, c == 'L')) {
return "integer";
}
}
break;
case 'd':
{
double *p = va_arg(*va, double *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!zend_parse_arg_double(arg, p, is_null, check_null)) {
return "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)) {
return "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)) {
return "a valid path";
}
}
break;
case 'P':
{
zend_string **str = va_arg(*va, zend_string **);
if (!zend_parse_arg_path_str(arg, str, check_null)) {
return "a valid path";
}
}
break;
case 'S':
{
zend_string **str = va_arg(*va, zend_string **);
if (!zend_parse_arg_str(arg, str, check_null)) {
return "string";
}
}
break;
case 'b':
{
zend_bool *p = va_arg(*va, zend_bool *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!zend_parse_arg_bool(arg, p, is_null, check_null)) {
return "boolean";
}
}
break;
case 'r':
{
zval **p = va_arg(*va, zval **);
if (!zend_parse_arg_resource(arg, p, check_null)) {
return "resource";
}
}
break;
case 'A':
case 'a':
{
zval **p = va_arg(*va, zval **);
if (!zend_parse_arg_array(arg, p, check_null, c == 'A')) {
return "array";
}
}
break;
case 'H':
case 'h':
{
HashTable **p = va_arg(*va, HashTable **);
if (!zend_parse_arg_array_ht(arg, p, check_null, c == 'H')) {
return "array";
}
}
break;
case 'o':
{
zval **p = va_arg(*va, zval **);
if (!zend_parse_arg_object(arg, p, NULL, check_null)) {
return "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) {
return ZSTR_VAL(ce->name);
} else {
return "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;
}
convert_to_string_ex(arg);
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, "to be a class name derived from %s, '%s' given",
ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
*pce = NULL;
return "";
}
}
if (!*pce) {
zend_spprintf(error, 0, "to be a valid class name, '%s' given",
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->initialized = 0;
break;
}
if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error) == SUCCESS) {
if (is_callable_error) {
*severity = E_DEPRECATED;
zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
efree(is_callable_error);
*spec = spec_walk;
return "";
}
break;
} else {
if (is_callable_error) {
*severity = E_ERROR;
zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
efree(is_callable_error);
return "";
} else {
return "valid callback";
}
}
}
case 'z':
{
zval **p = va_arg(*va, zval **);
zend_parse_arg_zval_deref(real_arg, p, check_null);
}
break;
case 'Z':
/* 'Z' iz not supported anymore and should be replaced with 'z' */
ZEND_ASSERT(c != 'Z');
default:
return "unknown";
}
*spec = spec_walk;
return NULL;
}
/* }}} */
static int zend_parse_arg(int arg_num, zval *arg, va_list *va, const char **spec, int flags) /* {{{ */
{
const char *expected_type = NULL;
char *error = NULL;
int severity = 0;
expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity);
if (expected_type) {
if (!(flags & ZEND_PARSE_PARAMS_QUIET) && (*expected_type || error)) {
const char *space;
const char *class_name = get_active_class_name(&space);
zend_bool throw_exception =
ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);
if (error) {
zend_internal_type_error(throw_exception, "%s%s%s() expects parameter %d %s",
class_name, space, get_active_function_name(), arg_num, error);
efree(error);
} else {
zend_internal_type_error(throw_exception,
"%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(), arg_num, expected_type,
zend_zval_type_name(arg));
}
}
if (severity != E_DEPRECATED) {
return FAILURE;
}
}
return SUCCESS;
}
/* }}} */
ZEND_API int zend_parse_parameter(int flags, int arg_num, zval *arg, const char *spec, ...)
{
va_list va;
int 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 int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags) /* {{{ */
{
const char *spec_walk;
int c, i;
int min_num_args = -1;
int max_num_args = 0;
int post_varargs = 0;
zval *arg;
int arg_count;
zend_bool have_varargs = 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':
max_num_args++;
break;
case '|':
min_num_args = max_num_args;
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;
break;
default:
zend_parse_parameters_debug_error("bad type specifier while parsing parameters");
return FAILURE;
}
}
if (min_num_args < 0) {
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 = -1;
}
if (num_args < min_num_args || (num_args > max_num_args && max_num_args >= 0)) {
if (!(flags & ZEND_PARSE_PARAMS_QUIET)) {
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_bool throw_exception = ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);
zend_internal_type_error(throw_exception, "%s%s%s() expects %s %d parameter%s, %d given",
class_name,
class_name[0] ? "::" : "",
ZSTR_VAL(active_function->common.function_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);
}
return FAILURE;
}
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (num_args > arg_count) {
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 int zend_parse_parameters_ex(int flags, int num_args, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, flags);
va_end(va);
return retval;
}
/* }}} */
ZEND_API int zend_parse_parameters(int num_args, const char *type_spec, ...) /* {{{ */
{
va_list va;
int 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 int zend_parse_parameters_throw(int num_args, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
int flags = ZEND_PARSE_PARAMS_THROW;
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, flags);
va_end(va);
return retval;
}
/* }}} */
ZEND_API int zend_parse_method_parameters(int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
va_list va;
int 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. */
zend_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 int zend_parse_method_parameters_ex(int flags, int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
va_list va;
int 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;
}
/* }}} */
/* Argument parsing API -- andrei */
ZEND_API int _array_init(zval *arg, uint32_t size ZEND_FILE_LINE_DC) /* {{{ */
{
ZVAL_NEW_ARR(arg);
_zend_hash_init(Z_ARRVAL_P(arg), size, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
return SUCCESS;
}
/* }}} */
/* 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) /* {{{ */
{
const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
zend_class_entry *old_scope = EG(scope);
zend_string *key;
zval *value;
EG(scope) = Z_OBJCE_P(obj);
ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) {
if (key) {
zval member;
ZVAL_STR(&member, key);
obj_ht->write_property(obj, &member, value, NULL);
}
} ZEND_HASH_FOREACH_END();
EG(scope) = old_scope;
}
/* }}} */
ZEND_API int zend_update_class_constants(zend_class_entry *class_type) /* {{{ */
{
if (!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED)) {
class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED;
if (class_type->parent) {
if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) {
return FAILURE;
}
}
if (!CE_STATIC_MEMBERS(class_type) && class_type->default_static_members_count) {
/* initialize static members of internal class */
int i;
zval *p;
#if ZTS
CG(static_members_table)[(zend_intptr_t)(class_type->static_members_table)] = emalloc(sizeof(zval) * class_type->default_static_members_count);
#else
class_type->static_members_table = emalloc(sizeof(zval) * class_type->default_static_members_count);
#endif
for (i = 0; i < class_type->default_static_members_count; i++) {
p = &class_type->default_static_members_table[i];
if (Z_ISREF_P(p) &&
class_type->parent &&
i < class_type->parent->default_static_members_count &&
p == &class_type->parent->default_static_members_table[i] &&
Z_TYPE(CE_STATIC_MEMBERS(class_type->parent)[i]) != IS_UNDEF
) {
zval *q = &CE_STATIC_MEMBERS(class_type->parent)[i];
ZVAL_NEW_REF(q, q);
ZVAL_COPY_VALUE(&CE_STATIC_MEMBERS(class_type)[i], q);
Z_ADDREF_P(q);
} else {
ZVAL_DUP(&CE_STATIC_MEMBERS(class_type)[i], p);
}
}
} else {
zend_class_entry **scope = EG(current_execute_data) ? &EG(scope) : &CG(active_class_entry);
zend_class_entry *old_scope = *scope;
zend_class_entry *ce;
zval *val;
zend_property_info *prop_info;
*scope = class_type;
ZEND_HASH_FOREACH_VAL(&class_type->constants_table, val) {
ZVAL_DEREF(val);
if (Z_CONSTANT_P(val)) {
if (UNEXPECTED(zval_update_constant_ex(val, 1, class_type) != SUCCESS)) {
return FAILURE;
}
}
} ZEND_HASH_FOREACH_END();
ce = class_type;
while (ce) {
ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
if (prop_info->ce == ce) {
if (prop_info->flags & ZEND_ACC_STATIC) {
val = CE_STATIC_MEMBERS(class_type) + prop_info->offset;
} else {
val = (zval*)((char*)class_type->default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0));
}
ZVAL_DEREF(val);
if (Z_CONSTANT_P(val)) {
*scope = ce;
if (UNEXPECTED(zval_update_constant_ex(val, 1, NULL) != SUCCESS)) {
return FAILURE;
}
}
}
} ZEND_HASH_FOREACH_END();
ce = ce->parent;
}
*scope = old_scope;
}
}
return SUCCESS;
}
/* }}} */
ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */
{
if (class_type->default_properties_count) {
zval *src = class_type->default_properties_table;
zval *dst = object->properties_table;
zval *end = src + class_type->default_properties_count;
do {
#if ZTS
ZVAL_DUP(dst, src);
#else
ZVAL_COPY(dst, src);
#endif
src++;
dst++;
} while (src != end);
object->properties = NULL;
}
}
/* }}} */
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);
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(scope);
if (class_name && class_name[0] != '*') {
zend_string *cname = zend_string_init(class_name, strlen(class_name), 0);
EG(scope) = zend_lookup_class(cname);
zend_string_release(cname);
}
property_info = zend_get_property_info(object->ce, pname, 1);
zend_string_release(pname);
EG(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(). */
ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC) /* {{{ */
{
if (UNEXPECTED(class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_TRAIT|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) {
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 {
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) {
ZVAL_OBJ(arg, zend_objects_new(class_type));
if (properties) {
object_properties_init_ex(Z_OBJ_P(arg), properties);
} else {
object_properties_init(Z_OBJ_P(arg), class_type);
}
} else {
ZVAL_OBJ(arg, class_type->create_object(class_type));
}
return SUCCESS;
}
/* }}} */
ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC) /* {{{ */
{
return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC);
}
/* }}} */
ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC) /* {{{ */
{
return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC);
}
/* }}} */
ZEND_API int add_assoc_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
{
zval *ret, tmp;
ZVAL_LONG(&tmp, n);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
{
zval *ret, tmp;
ZVAL_NULL(&tmp);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, size_t key_len, int b) /* {{{ */
{
zval *ret, tmp;
ZVAL_BOOL(&tmp, b);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
{
zval *ret, tmp;
ZVAL_RES(&tmp, r);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
{
zval *ret, tmp;
ZVAL_DOUBLE(&tmp, d);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
{
zval *ret, tmp;
ZVAL_STR(&tmp, str);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_string_ex(zval *arg, const char *key, size_t key_len, char *str) /* {{{ */
{
zval *ret, tmp;
ZVAL_STRING(&tmp, str);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, size_t key_len, char *str, size_t length) /* {{{ */
{
zval *ret, tmp;
ZVAL_STRINGL(&tmp, str, length);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
{
zval *ret;
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, value);
return ret ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_long(zval *arg, zend_ulong index, zend_long n) /* {{{ */
{
zval tmp;
ZVAL_LONG(&tmp, n);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_null(zval *arg, zend_ulong index) /* {{{ */
{
zval tmp;
ZVAL_NULL(&tmp);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_bool(zval *arg, zend_ulong index, int b) /* {{{ */
{
zval tmp;
ZVAL_BOOL(&tmp, b);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_resource(zval *arg, zend_ulong index, zend_resource *r) /* {{{ */
{
zval tmp;
ZVAL_RES(&tmp, r);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
{
zval tmp;
ZVAL_DOUBLE(&tmp, d);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
{
zval tmp;
ZVAL_STR(&tmp, str);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
{
zval tmp;
ZVAL_STRING(&tmp, str);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
{
zval tmp;
ZVAL_STRINGL(&tmp, str, length);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int add_index_zval(zval *arg, zend_ulong index, zval *value) /* {{{ */
{
return zend_hash_index_update(Z_ARRVAL_P(arg), index, value) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int 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 int 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 int add_next_index_bool(zval *arg, int b) /* {{{ */
{
zval tmp;
ZVAL_BOOL(&tmp, b);
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int 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 int 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 int 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 int 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 int 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 int add_next_index_zval(zval *arg, zval *value) /* {{{ */
{
return zend_hash_next_index_insert(Z_ARRVAL_P(arg), value) ? SUCCESS : FAILURE;
}
/* }}} */
ZEND_API zval *add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str) /* {{{ */
{
zval tmp, *ret;
ZVAL_STRING(&tmp, str);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret;
}
/* }}} */
ZEND_API zval *add_get_assoc_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, size_t length) /* {{{ */
{
zval tmp, *ret;
ZVAL_STRINGL(&tmp, str, length);
ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
return ret;
}
/* }}} */
ZEND_API zval *add_get_index_long(zval *arg, zend_ulong index, zend_long l) /* {{{ */
{
zval tmp;
ZVAL_LONG(&tmp, l);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */
ZEND_API zval *add_get_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
{
zval tmp;
ZVAL_DOUBLE(&tmp, d);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */
ZEND_API zval *add_get_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
{
zval tmp;
ZVAL_STR(&tmp, str);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */
ZEND_API zval *add_get_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
{
zval tmp;
ZVAL_STRING(&tmp, str);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */
ZEND_API zval *add_get_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
{
zval tmp;
ZVAL_STRINGL(&tmp, str, length);
return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */
ZEND_API int 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_symtable_update(ht, ZSTR_EMPTY_ALLOC(), value);
break;
case IS_RESOURCE:
zend_error(E_NOTICE, "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_error(E_WARNING, "Illegal offset type");
result = NULL;
}
if (result) {
if (Z_REFCOUNTED_P(result)) {
Z_ADDREF_P(result);
}
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
ZEND_API int add_property_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_LONG(&tmp, n);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_bool_ex(zval *arg, const char *key, size_t key_len, zend_long b) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_BOOL(&tmp, b);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_NULL(&tmp);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_RES(&tmp, r);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_DOUBLE(&tmp, d);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_STR(&tmp, str);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_STRING(&tmp, str);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */
{
zval tmp;
zval z_key;
ZVAL_STRINGL(&tmp, str, length);
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int add_property_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
{
zval z_key;
ZVAL_STRINGL(&z_key, key, key_len);
Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value, NULL);
zval_ptr_dtor(&z_key);
return SUCCESS;
}
/* }}} */
ZEND_API int 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_free(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_free(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);
}
/* }}} */
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 int zend_startup_modules(void) /* {{{ */
{
zend_hash_sort_ex(&module_registry, zend_sort_modules, NULL, 0);
zend_hash_apply(&module_registry, zend_startup_module_zval);
return SUCCESS;
}
/* }}} */
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_free(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_free(lcname);
}
++dep;
}
}
name_len = strlen(module->name);
lcname = zend_string_alloc(name_len, 1);
zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len);
if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) {
zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
zend_string_release(lcname);
return NULL;
}
zend_string_release(lcname);
module = module_ptr;
EG(current_module) = module;
if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type)==FAILURE) {
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;
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);
}
/* }}} */
ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type) /* {{{ */
{
char lcname[16];
size_t name_len;
/* we don't care if the function name is longer, in fact lowercasing only
* the beginning of the name speeds up the check process */
name_len = ZSTR_LEN(fptr->common.function_name);
zend_str_tolower_copy(lcname, ZSTR_VAL(fptr->common.function_name), MIN(name_len, sizeof(lcname)-1));
lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */
if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DESTRUCTOR_FUNC_NAME);
} else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
zend_error(error_type, "Method %s::%s() cannot accept any arguments", ZSTR_VAL(ce->name), ZEND_CLONE_FUNC_NAME);
} else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) {
if (fptr->common.num_args != 1) {
zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
}
} else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) {
if (fptr->common.num_args != 2) {
zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
}
} else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) {
if (fptr->common.num_args != 1) {
zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
}
} else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) {
if (fptr->common.num_args != 1) {
zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
}
} else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) {
if (fptr->common.num_args != 2) {
zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
}
} else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
) {
if (fptr->common.num_args != 2) {
zend_error(error_type, "Method %s::__callStatic() must take exactly 2 arguments", ZSTR_VAL(ce->name));
} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
zend_error(error_type, "Method %s::__callStatic() cannot take arguments by reference", ZSTR_VAL(ce->name));
}
} else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
) {
zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_TOSTRING_FUNC_NAME);
} else if (name_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1 &&
!memcmp(lcname, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && fptr->common.num_args != 0) {
zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DEBUGINFO_FUNC_NAME);
}
}
/* }}} */
/* registers all functions in *library_functions in the function hash */
ZEND_API int 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_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL, *__debugInfo = NULL;
zend_string *lowercase_name;
size_t fname_len;
const char *lc_class_name = NULL;
size_t class_name_len = 0;
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*));
if (scope) {
class_name_len = ZSTR_LEN(scope->name);
if ((lc_class_name = zend_memrchr(ZSTR_VAL(scope->name), '\\', class_name_len))) {
++lc_class_name;
class_name_len -= (lc_class_name - ZSTR_VAL(scope->name));
lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
} else {
lc_class_name = zend_str_tolower_dup(ZSTR_VAL(scope->name), class_name_len);
}
}
while (ptr->fname) {
fname_len = strlen(ptr->fname);
internal_function->handler = ptr->handler;
internal_function->function_name = zend_new_interned_string(zend_string_init(ptr->fname, fname_len, 1));
internal_function->scope = scope;
internal_function->prototype = 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 (info->return_reference) {
internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE;
}
if (ptr->arg_info[ptr->num_args].is_variadic) {
internal_function->fn_flags |= ZEND_ACC_VARIADIC;
/* Don't count the variadic argument */
internal_function->num_args--;
}
if (info->type_hint) {
if (info->class_name) {
ZEND_ASSERT(info->type_hint == IS_OBJECT);
if (!scope && (!strcasecmp(info->class_name, "self") || !strcasecmp(info->class_name, "parent"))) {
zend_error_noreturn(E_CORE_ERROR, "Cannot declare a return type of %s outside of a class scope", info->class_name);
}
}
internal_function->fn_flags |= ZEND_ACC_HAS_RETURN_TYPE;
}
} else {
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)) {
efree((char*)lc_class_name);
zend_error(error_type, "Interface %s cannot contain non abstract method %s()", ZSTR_VAL(scope->name), ptr->fname);
return FAILURE;
}
if (!internal_function->handler) {
if (scope) {
efree((char*)lc_class_name);
}
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_alloc(fname_len, 1);
zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len);
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;
}
/* If types of arguments have to be checked */
if (reg_function->common.arg_info && reg_function->common.num_args) {
uint32_t i;
for (i = 0; i < reg_function->common.num_args; i++) {
if (reg_function->common.arg_info[i].class_name ||
reg_function->common.arg_info[i].type_hint) {
reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS;
break;
}
}
}
if (scope) {
/* Look for ctor, dtor, clone
* If it's an old-style constructor, store it only if we don't have
* a constructor already.
*/
if ((fname_len == class_name_len) && !ctor && !memcmp(ZSTR_VAL(lowercase_name), lc_class_name, class_name_len+1)) {
ctor = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME)) {
ctor = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME)) {
dtor = reg_function;
if (internal_function->num_args) {
zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(scope->name), ptr->fname);
}
} else if (zend_string_equals_literal(lowercase_name, ZEND_CLONE_FUNC_NAME)) {
clone = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_CALL_FUNC_NAME)) {
__call = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME)) {
__callstatic = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_TOSTRING_FUNC_NAME)) {
__tostring = reg_function;
} else if (zend_string_equals_literal(lowercase_name, ZEND_GET_FUNC_NAME)) {
__get = reg_function;
scope->ce_flags |= ZEND_ACC_USE_GUARDS;
} else if (zend_string_equals_literal(lowercase_name, ZEND_SET_FUNC_NAME)) {
__set = reg_function;
scope->ce_flags |= ZEND_ACC_USE_GUARDS;
} else if (zend_string_equals_literal(lowercase_name, ZEND_UNSET_FUNC_NAME)) {
__unset = reg_function;
scope->ce_flags |= ZEND_ACC_USE_GUARDS;
} else if (zend_string_equals_literal(lowercase_name, ZEND_ISSET_FUNC_NAME)) {
__isset = reg_function;
scope->ce_flags |= ZEND_ACC_USE_GUARDS;
} else if (zend_string_equals_literal(lowercase_name, ZEND_DEBUGINFO_FUNC_NAME)) {
__debugInfo = reg_function;
} else {
reg_function = NULL;
}
if (reg_function) {
zend_check_magic_method_implementation(scope, reg_function, error_type);
}
}
ptr++;
count++;
zend_string_release(lowercase_name);
}
if (unload) { /* before unloading, display all remaining bad function in the module */
if (scope) {
efree((char*)lc_class_name);
}
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_free(lowercase_name);
ptr++;
}
zend_unregister_functions(functions, count, target_function_table);
return FAILURE;
}
if (scope) {
scope->constructor = ctor;
scope->destructor = dtor;
scope->clone = clone;
scope->__call = __call;
scope->__callstatic = __callstatic;
scope->__tostring = __tostring;
scope->__get = __get;
scope->__set = __set;
scope->__unset = __unset;
scope->__isset = __isset;
scope->__debugInfo = __debugInfo;
if (ctor) {
ctor->common.fn_flags |= ZEND_ACC_CTOR;
if (ctor->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Constructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
}
ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (dtor) {
dtor->common.fn_flags |= ZEND_ACC_DTOR;
if (dtor->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Destructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
}
dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (clone) {
clone->common.fn_flags |= ZEND_ACC_CLONE;
if (clone->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Constructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
}
clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__call) {
if (__call->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__call->common.function_name));
}
__call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__callstatic) {
if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) {
zend_error(error_type, "Method %s::%s() must be static", ZSTR_VAL(scope->name), ZSTR_VAL(__callstatic->common.function_name));
}
__callstatic->common.fn_flags |= ZEND_ACC_STATIC;
}
if (__tostring) {
if (__tostring->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__tostring->common.function_name));
}
__tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__get) {
if (__get->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__get->common.function_name));
}
__get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__set) {
if (__set->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__set->common.function_name));
}
__set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__unset) {
if (__unset->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__unset->common.function_name));
}
__unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__isset) {
if (__isset->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__isset->common.function_name));
}
__isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
}
if (__debugInfo) {
if (__debugInfo->common.fn_flags & ZEND_ACC_STATIC) {
zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__debugInfo->common.function_name));
}
}
if (ctor && ctor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && ctor->common.fn_flags & ZEND_ACC_CTOR) {
zend_error_noreturn(E_CORE_ERROR, "Constructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
}
if (dtor && dtor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && dtor->common.fn_flags & ZEND_ACC_DTOR) {
zend_error_noreturn(E_CORE_ERROR, "Destructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
}
if (clone && clone->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && dtor->common.fn_flags & ZEND_ACC_DTOR) {
zend_error_noreturn(E_CORE_ERROR, "%s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
}
efree((char*)lc_class_name);
}
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_free(lowercase_name);
ptr++;
i++;
}
}
/* }}} */
ZEND_API int 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 int 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);
}
/* 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->functions) {
zend_unregister_functions(module->functions, -1, NULL);
}
#if HAVE_LIBDL
#if !(defined(NETWARE) && defined(APACHE_1_BUILD))
if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) {
DL_UNLOAD(module->handle);
}
#endif
#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++;
}
}
/* }}} */
/* call request shutdown for all modules */
static int module_registry_cleanup(zval *zv) /* {{{ */
{
zend_module_entry *module = Z_PTR_P(zv);
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);
}
return 0;
}
/* }}} */
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_hash_reverse_apply(&module_registry, module_registry_cleanup);
} 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++;
}
}
/* }}} */
int module_registry_unload_temp(const zend_module_entry *module) /* {{{ */
{
return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP;
}
/* }}} */
static int module_registry_unload_temp_wrapper(zval *el) /* {{{ */
{
zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
return module_registry_unload_temp((const zend_module_entry *)module);
}
/* }}} */
static int exec_done_cb(zval *el) /* {{{ */
{
zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
if (module->post_deactivate_func) {
module->post_deactivate_func();
}
return 0;
}
/* }}} */
ZEND_API void zend_post_deactivate_modules(void) /* {{{ */
{
if (EG(full_tables_cleanup)) {
zend_hash_apply(&module_registry, exec_done_cb);
zend_hash_reverse_apply(&module_registry, module_registry_unload_temp_wrapper);
} 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 = zend_string_alloc(ZSTR_LEN(orig_class_entry->name), 1);
*class_entry = *orig_class_entry;
class_entry->type = ZEND_INTERNAL_CLASS;
zend_initialize_class_data(class_entry, 0);
class_entry->ce_flags = ce_flags | ZEND_ACC_CONSTANTS_UPDATED;
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, MODULE_PERSISTENT);
}
zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ZSTR_VAL(orig_class_entry->name), ZSTR_LEN(class_entry->name));
lowercase_name = zend_new_interned_string(lowercase_name);
zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry);
zend_string_release(lowercase_name);
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);
}
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 int zend_register_class_alias_ex(const char *name, size_t name_len, zend_class_entry *ce) /* {{{ */
{
zend_string *lcname;
if (name[0] == '\\') {
lcname = zend_string_alloc(name_len-1, 1);
zend_str_tolower_copy(ZSTR_VAL(lcname), name+1, name_len-1);
} else {
lcname = zend_string_alloc(name_len, 1);
zend_str_tolower_copy(ZSTR_VAL(lcname), name, name_len);
}
zend_assert_valid_class_name(lcname);
ce = zend_hash_add_ptr(CG(class_table), lcname, ce);
zend_string_release(lcname);
if (ce) {
ce->refcount++;
return SUCCESS;
}
return FAILURE;
}
/* }}} */
ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */
{
HashTable *symbol_table;
va_list symbol_table_list;
if (num_symbol_tables <= 0) return FAILURE;
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);
if (Z_REFCOUNTED_P(symbol)) {
Z_ADDREF_P(symbol);
}
}
va_end(symbol_table_list);
return SUCCESS;
}
/* }}} */
/* Disabled functions support */
/* {{{ proto void display_disabled_function(void)
Dummy function which displays an error when a disabled function is called. */
ZEND_API ZEND_FUNCTION(display_disabled_function)
{
zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name());
}
/* }}} */
ZEND_API int zend_disable_function(char *function_name, size_t function_name_length) /* {{{ */
{
zend_internal_function *func;
if ((func = zend_hash_str_find_ptr(CG(function_table), function_name, function_name_length))) {
func->fn_flags &= ~(ZEND_ACC_VARIADIC | ZEND_ACC_HAS_TYPE_HINTS);
func->num_args = 0;
func->arg_info = NULL;
func->handler = ZEND_FN(display_disabled_function);
return SUCCESS;
}
return FAILURE;
}
/* }}} */
#ifdef ZEND_WIN32
#pragma optimize("", off)
#endif
static zend_object *display_disabled_class(zend_class_entry *class_type) /* {{{ */
{
zend_object *intern;
intern = zend_objects_new(class_type);
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 int zend_disable_class(char *class_name, size_t class_name_length) /* {{{ */
{
zend_class_entry *disabled_class;
zend_string *key;
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);
if (!disabled_class) {
return FAILURE;
}
INIT_CLASS_ENTRY_INIT_METHODS((*disabled_class), disabled_class_new, NULL, NULL, NULL, NULL, NULL);
disabled_class->create_object = display_disabled_class;
zend_hash_clean(&disabled_class->function_table);
return SUCCESS;
}
/* }}} */
static int zend_is_callable_check_class(zend_string *name, zend_fcall_info_cache *fcc, int *strict_class, char **error) /* {{{ */
{
int 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 (!EG(scope)) {
if (error) *error = estrdup("cannot access self:: when no class scope is active");
} else {
fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
fcc->calling_scope = EG(scope);
if (!fcc->object) {
fcc->object = zend_get_this_object(EG(current_execute_data));
}
ret = 1;
}
} else if (zend_string_equals_literal(lcname, "parent")) {
if (!EG(scope)) {
if (error) *error = estrdup("cannot access parent:: when no class scope is active");
} else if (!EG(scope)->parent) {
if (error) *error = estrdup("cannot access parent:: when current class scope has no parent");
} else {
fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
fcc->calling_scope = EG(scope)->parent;
if (!fcc->object) {
fcc->object = zend_get_this_object(EG(current_execute_data));
}
*strict_class = 1;
ret = 1;
}
} else if (zend_string_equals_literal(lcname, "static")) {
zend_class_entry *called_scope = zend_get_called_scope(EG(current_execute_data));
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(EG(current_execute_data));
}
*strict_class = 1;
ret = 1;
}
} else if ((ce = zend_lookup_class_ex(name, NULL, 1)) != NULL) {
zend_class_entry *scope;
zend_execute_data *ex = EG(current_execute_data);
while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
ex = ex->prev_execute_data;
}
scope = ex ? ex->func->common.scope : NULL;
fcc->calling_scope = ce;
if (scope && !fcc->object) {
zend_object *object = zend_get_this_object(EG(current_execute_data));
if (object &&
instanceof_function(object->ce, scope) &&
instanceof_function(scope, fcc->calling_scope)) {
fcc->object = object;
fcc->called_scope = object->ce;
} else {
fcc->called_scope = fcc->calling_scope;
}
} else {
fcc->called_scope = fcc->object ? fcc->object->ce : fcc->calling_scope;
}
*strict_class = 1;
ret = 1;
} else {
if (error) zend_spprintf(error, 0, "class '%.*s' not found", name_len, ZSTR_VAL(name));
}
ZSTR_ALLOCA_FREE(lcname, use_heap);
return ret;
}
/* }}} */
static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error) /* {{{ */
{
zend_class_entry *ce_org = fcc->calling_scope;
int retval = 0;
zend_string *mname, *cname;
zend_string *lmname;
const char *colon;
size_t clen, mlen;
zend_class_entry *last_scope;
HashTable *ftable;
int call_via_handler = 0;
ALLOCA_FLAG(use_heap)
if (error) {
*error = NULL;
}
fcc->calling_scope = NULL;
fcc->function_handler = NULL;
if (!ce_org) {
zend_string *lmname;
/* Skip leading \ */
if (UNEXPECTED(Z_STRVAL_P(callable)[0] == '\\')) {
ZSTR_ALLOCA_INIT(lmname, Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1, use_heap);
} else {
lmname = Z_STR_P(callable);
}
/* Check if function with given name exists.
* This may be a compound name that includes namespace name */
if (EXPECTED((fcc->function_handler = zend_hash_find_ptr(EG(function_table), lmname)) != NULL)) {
if (lmname != Z_STR_P(callable)) {
ZSTR_ALLOCA_FREE(lmname, use_heap);
}
fcc->initialized = 1;
return 1;
} else {
if (lmname == Z_STR_P(callable)) {
ZSTR_ALLOCA_INIT(lmname, Z_STRVAL_P(callable), Z_STRLEN_P(callable), use_heap);
} else {
zend_string_forget_hash_val(lmname);
}
zend_str_tolower(ZSTR_VAL(lmname), ZSTR_LEN(lmname));
if ((fcc->function_handler = zend_hash_find_ptr(EG(function_table), lmname)) != NULL) {
ZSTR_ALLOCA_FREE(lmname, use_heap);
fcc->initialized = 1;
return 1;
}
}
if (lmname != Z_STR_P(callable)) {
ZSTR_ALLOCA_FREE(lmname, use_heap);
}
}
/* 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) == ':'
) {
colon--;
clen = colon - Z_STRVAL_P(callable);
mlen = Z_STRLEN_P(callable) - clen - 2;
if (colon == Z_STRVAL_P(callable)) {
if (error) zend_spprintf(error, 0, "invalid function name");
return 0;
}
/* This is a compound name.
* Try to fetch class and then find static method. */
last_scope = EG(scope);
if (ce_org) {
EG(scope) = ce_org;
}
cname = zend_string_init(Z_STRVAL_P(callable), clen, 0);
if (!zend_is_callable_check_class(cname, fcc, &strict_class, error)) {
zend_string_release(cname);
EG(scope) = last_scope;
return 0;
}
zend_string_release(cname);
EG(scope) = last_scope;
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. */
mlen = Z_STRLEN_P(callable);
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 ((fcc->function_handler = zend_hash_find_ptr(ftable, lmname)) != NULL) {
retval = 1;
if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) &&
!strict_class && EG(scope) &&
instanceof_function(fcc->function_handler->common.scope, EG(scope))) {
zend_function *priv_fbc;
if ((priv_fbc = zend_hash_find_ptr(&EG(scope)->function_table, lmname)) != NULL
&& priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE
&& priv_fbc->common.scope == EG(scope)) {
fcc->function_handler = priv_fbc;
}
}
if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 &&
(fcc->calling_scope &&
((fcc->object && fcc->calling_scope->__call) ||
(!fcc->object && fcc->calling_scope->__callstatic)))) {
if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : EG(scope), lmname)) {
retval = 0;
fcc->function_handler = NULL;
goto get_function_via_handler;
}
} else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) {
if (!zend_check_protected(fcc->function_handler->common.scope, EG(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 if (fcc->object->handlers->get_method) {
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))) {
if (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) {
if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
}
} 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(EG(current_execute_data));
if (object &&
instanceof_function(object->ce, fcc->calling_scope)) {
fcc->object = object;
}
}
}
}
}
if (retval) {
if (fcc->calling_scope && !call_via_handler) {
if (!fcc->object && (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT)) {
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));
retval = 0;
} else {
zend_throw_error(NULL, "Cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
return 0;
}
} else if (!fcc->object && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) {
int severity;
char *verb;
if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) {
severity = E_DEPRECATED;
verb = "should not";
} else {
/* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */
severity = E_ERROR;
verb = "cannot";
}
if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) {
retval = 0;
}
if (error) {
zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
if (severity != E_DEPRECATED) {
retval = 0;
}
} else if (retval) {
if (severity == E_ERROR) {
zend_throw_error(NULL, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
} else {
zend_error(severity, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
}
}
}
if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) {
if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : EG(scope), lmname)) {
if (error) {
if (*error) {
efree(*error);
}
zend_spprintf(error, 0, "cannot access private method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
}
retval = 0;
}
} else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) {
if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) {
if (error) {
if (*error) {
efree(*error);
}
zend_spprintf(error, 0, "cannot access protected method %s::%s()", 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(lmname);
zend_string_release(mname);
if (fcc->object) {
fcc->called_scope = fcc->object->ce;
}
if (retval) {
fcc->initialized = 1;
}
return retval;
}
/* }}} */
ZEND_API zend_bool zend_is_callable_ex(zval *callable, zend_object *object, uint check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error) /* {{{ */
{
zend_bool ret;
zend_fcall_info_cache fcc_local;
if (callable_name) {
*callable_name = NULL;
}
if (fcc == NULL) {
fcc = &fcc_local;
}
if (error) {
*error = NULL;
}
fcc->initialized = 0;
fcc->calling_scope = NULL;
fcc->called_scope = NULL;
fcc->function_handler = NULL;
fcc->object = NULL;
if (object &&
(!EG(objects_store).object_buckets ||
!IS_OBJ_VALID(EG(objects_store).object_buckets[object->handle]))) {
return 0;
}
again:
switch (Z_TYPE_P(callable)) {
case IS_STRING:
if (object) {
fcc->object = object;
fcc->calling_scope = object->ce;
if (callable_name) {
char *ptr;
*callable_name = zend_string_alloc(ZSTR_LEN(fcc->calling_scope->name) + Z_STRLEN_P(callable) + sizeof("::") - 1, 0);
ptr = ZSTR_VAL(*callable_name);
memcpy(ptr, ZSTR_VAL(fcc->calling_scope->name), ZSTR_LEN(fcc->calling_scope->name));
ptr += ZSTR_LEN(fcc->calling_scope->name);
memcpy(ptr, "::", sizeof("::") - 1);
ptr += sizeof("::") - 1;
memcpy(ptr, Z_STRVAL_P(callable), Z_STRLEN_P(callable) + 1);
}
} else if (callable_name) {
*callable_name = zend_string_copy(Z_STR_P(callable));
}
if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
fcc->called_scope = fcc->calling_scope;
return 1;
}
ret = zend_is_callable_check_func(check_flags, callable, fcc, 0, error);
if (fcc == &fcc_local &&
fcc->function_handler &&
((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
}
return ret;
case IS_ARRAY:
{
zval *method = NULL;
zval *obj = NULL;
int strict_class = 0;
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 (callable_name) {
char *ptr;
*callable_name = zend_string_alloc(Z_STRLEN_P(obj) + Z_STRLEN_P(method) + sizeof("::") - 1, 0);
ptr = ZSTR_VAL(*callable_name);
memcpy(ptr, Z_STRVAL_P(obj), Z_STRLEN_P(obj));
ptr += Z_STRLEN_P(obj);
memcpy(ptr, "::", sizeof("::") - 1);
ptr += sizeof("::") - 1;
memcpy(ptr, Z_STRVAL_P(method), Z_STRLEN_P(method) + 1);
}
if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
return 1;
}
if (!zend_is_callable_check_class(Z_STR_P(obj), fcc, &strict_class, error)) {
return 0;
}
} else if (Z_TYPE_P(obj) == IS_OBJECT) {
if (!EG(objects_store).object_buckets ||
!IS_OBJ_VALID(EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(obj)])) {
return 0;
}
fcc->calling_scope = Z_OBJCE_P(obj); /* TBFixed: what if it's overloaded? */
fcc->object = Z_OBJ_P(obj);
if (callable_name) {
char *ptr;
*callable_name = zend_string_alloc(ZSTR_LEN(fcc->calling_scope->name) + Z_STRLEN_P(method) + sizeof("::") - 1, 0);
ptr = ZSTR_VAL(*callable_name);
memcpy(ptr, ZSTR_VAL(fcc->calling_scope->name), ZSTR_LEN(fcc->calling_scope->name));
ptr += ZSTR_LEN(fcc->calling_scope->name);
memcpy(ptr, "::", sizeof("::") - 1);
ptr += sizeof("::") - 1;
memcpy(ptr, Z_STRVAL_P(method), Z_STRLEN_P(method) + 1);
}
if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
fcc->called_scope = fcc->calling_scope;
return 1;
}
} else {
break;
}
ret = zend_is_callable_check_func(check_flags, method, fcc, strict_class, error);
if (fcc == &fcc_local &&
fcc->function_handler &&
((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
}
return ret;
} 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) zend_spprintf(error, 0, "first array member is not a valid class name or object");
} else {
if (error) zend_spprintf(error, 0, "second array member is not a valid method");
}
} else {
if (error) zend_spprintf(error, 0, "array must have exactly two members");
}
if (callable_name) {
*callable_name = zend_string_init("Array", sizeof("Array")-1, 0);
}
}
return 0;
case IS_OBJECT:
if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &fcc->calling_scope, &fcc->function_handler, &fcc->object) == SUCCESS) {
fcc->called_scope = fcc->calling_scope;
if (callable_name) {
zend_class_entry *ce = Z_OBJCE_P(callable); /* TBFixed: what if it's overloaded? */
*callable_name = zend_string_alloc(ZSTR_LEN(ce->name) + sizeof("::__invoke") - 1, 0);
memcpy(ZSTR_VAL(*callable_name), ZSTR_VAL(ce->name), ZSTR_LEN(ce->name));
memcpy(ZSTR_VAL(*callable_name) + ZSTR_LEN(ce->name), "::__invoke", sizeof("::__invoke"));
}
return 1;
}
if (callable_name) {
*callable_name = zval_get_string(callable);
}
if (error) zend_spprintf(error, 0, "no array or string given");
return 0;
case IS_REFERENCE:
callable = Z_REFVAL_P(callable);
goto again;
default:
if (callable_name) {
*callable_name = zval_get_string(callable);
}
if (error) zend_spprintf(error, 0, "no array or string given");
return 0;
}
}
/* }}} */
ZEND_API zend_bool zend_is_callable(zval *callable, uint check_flags, zend_string **callable_name) /* {{{ */
{
return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL);
}
/* }}} */
ZEND_API zend_bool zend_make_callable(zval *callable, zend_string **callable_name) /* {{{ */
{
zend_fcall_info_cache fcc;
if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, &fcc, NULL)) {
if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
zval_dtor(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));
}
if (fcc.function_handler &&
((fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) {
zend_string_release(fcc.function_handler->common.function_name);
}
zend_free_trampoline(fcc.function_handler);
}
return 1;
}
return 0;
}
/* }}} */
ZEND_API int zend_fcall_info_init(zval *callable, uint 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->function_table = fcc->calling_scope ? &fcc->calling_scope->function_table : EG(function_table);
fci->object = fcc->object;
ZVAL_COPY_VALUE(&fci->function_name, callable);
fci->retval = NULL;
fci->param_count = 0;
fci->params = NULL;
fci->no_separation = 1;
fci->symbol_table = NULL;
return SUCCESS;
}
/* }}} */
ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */
{
if (fci->params) {
zval *p = fci->params;
zval *end = p + fci->param_count;
while (p != end) {
i_zval_ptr_dtor(p ZEND_FILE_LINE_CC);
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, int *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, int param_count, zval *params) /* {{{ */
{
zend_fcall_info_args_clear(fci, 1);
fci->param_count = param_count;
fci->params = params;
}
/* }}} */
ZEND_API int 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);
if (Z_REFCOUNTED_P(arg)) {
Z_ADDREF_P(arg);
}
} else {
ZVAL_COPY(params, arg);
}
params++;
n++;
} ZEND_HASH_FOREACH_END();
return SUCCESS;
}
/* }}} */
ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args) /* {{{ */
{
return zend_fcall_info_args_ex(fci, NULL, args);
}
/* }}} */
ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci, int argc, zval *argv) /* {{{ */
{
int i;
if (argc < 0) {
return FAILURE;
}
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 (i = 0; i < argc; ++i) {
ZVAL_COPY(&fci->params[i], &argv[i]);
}
}
return SUCCESS;
}
/* }}} */
ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci, int argc, va_list *argv) /* {{{ */
{
int i;
zval *arg;
if (argc < 0) {
return FAILURE;
}
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 (i = 0; i < argc; ++i) {
arg = va_arg(*argv, zval *);
ZVAL_COPY(&fci->params[i], arg);
}
}
return SUCCESS;
}
/* }}} */
ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci, int argc, ...) /* {{{ */
{
int ret;
va_list argv;
va_start(argv, argc);
ret = zend_fcall_info_argv(fci, argc, &argv);
va_end(argv);
return ret;
}
/* }}} */
ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval *retval_ptr, zval *args) /* {{{ */
{
zval retval, *org_params = NULL;
int result, org_count = 0;
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_free(lname);
return module ? module->version : NULL;
}
/* }}} */
ZEND_API int zend_declare_property_ex(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment) /* {{{ */
{
zend_property_info *property_info, *property_info_ptr;
if (ce->type == ZEND_INTERNAL_CLASS) {
property_info = pemalloc(sizeof(zend_property_info), 1);
if ((access_type & ZEND_ACC_STATIC) || Z_CONSTANT_P(property)) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
}
} else {
property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info));
if (Z_CONSTANT_P(property)) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
}
}
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 (ce->type == ZEND_USER_CLASS) {
ce->static_members_table = ce->default_static_members_table;
}
} else {
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);
} 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);
}
ZVAL_COPY_VALUE(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)], property);
}
if (ce->type & ZEND_INTERNAL_CLASS) {
switch(Z_TYPE_P(property)) {
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
zend_error_noreturn(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
break;
default:
break;
}
}
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), ce->type & ZEND_INTERNAL_CLASS);
} else {
ZEND_ASSERT(access_type & ZEND_ACC_PROTECTED);
property_info->name = zend_mangle_property_name("*", 1, ZSTR_VAL(name), ZSTR_LEN(name), ce->type & ZEND_INTERNAL_CLASS);
}
property_info->name = zend_new_interned_string(property_info->name);
property_info->flags = access_type;
property_info->doc_comment = doc_comment;
property_info->ce = ce;
zend_hash_update_ptr(&ce->properties_info, name, property_info);
return SUCCESS;
}
/* }}} */
ZEND_API int 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, ce->type & ZEND_INTERNAL_CLASS);
int ret = zend_declare_property_ex(ce, key, property, access_type, NULL);
zend_string_release(key);
return ret;
}
/* }}} */
ZEND_API int zend_declare_property_null(zend_class_entry *ce, const char *name, size_t name_length, int access_type) /* {{{ */
{
zval property;
ZVAL_NULL(&property);
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int 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);
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int 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);
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int 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);
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int 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));
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int 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));
return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */
ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value) /* {{{ */
{
if (Z_CONSTANT_P(value)) {
ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
}
return zend_hash_str_update(&ce->constants_table, name, name_length, value) ?
SUCCESS : FAILURE;
}
/* }}} */
ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length) /* {{{ */
{
zval constant;
ZVAL_NULL(&constant);
return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */
ZEND_API int 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);
return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */
ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value) /* {{{ */
{
zval constant;
ZVAL_BOOL(&constant, value);
return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */
ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value) /* {{{ */
{
zval constant;
ZVAL_DOUBLE(&constant, value);
return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */
ZEND_API int 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));
return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */
ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value) /* {{{ */
{
return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value));
}
/* }}} */
ZEND_API void zend_update_property_ex(zend_class_entry *scope, zval *object, zend_string *name, zval *value) /* {{{ */
{
zval property;
zend_class_entry *old_scope = EG(scope);
EG(scope) = scope;
if (!Z_OBJ_HT_P(object)->write_property) {
zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
}
ZVAL_STR(&property, name);
Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);
EG(scope) = old_scope;
}
/* }}} */
ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zval *value) /* {{{ */
{
zval property;
zend_class_entry *old_scope = EG(scope);
EG(scope) = scope;
if (!Z_OBJ_HT_P(object)->write_property) {
zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
}
ZVAL_STRINGL(&property, name, name_length);
Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);
zval_ptr_dtor(&property);
EG(scope) = old_scope;
}
/* }}} */
ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *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_update_property_bool(zend_class_entry *scope, zval *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, zval *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, zval *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, zval *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, zval *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, zval *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 int zend_update_static_property(zend_class_entry *scope, const char *name, size_t name_length, zval *value) /* {{{ */
{
zval *property;
zend_class_entry *old_scope = EG(scope);
zend_string *key = zend_string_init(name, name_length, 0);
EG(scope) = scope;
property = zend_std_get_static_property(scope, key, 0);
EG(scope) = old_scope;
zend_string_free(key);
if (!property) {
return FAILURE;
} else {
if (property != value) {
if (Z_ISREF_P(property)) {
zval_dtor(property);
ZVAL_COPY_VALUE(property, value);
if (Z_REFCOUNTED_P(value) && Z_REFCOUNT_P(value) > 0) {
zval_opt_copy_ctor(property);
}
} else {
zval garbage;
ZVAL_COPY_VALUE(&garbage, property);
if (Z_REFCOUNTED_P(value)) {
Z_ADDREF_P(value);
if (Z_ISREF_P(value)) {
SEPARATE_ZVAL(value);
}
}
ZVAL_COPY_VALUE(property, value);
zval_ptr_dtor(&garbage);
}
}
return SUCCESS;
}
}
/* }}} */
ZEND_API int 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 int 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 int 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 int 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 int 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 int 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(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_bool silent, zval *rv) /* {{{ */
{
zval property, *value;
zend_class_entry *old_scope = EG(scope);
EG(scope) = scope;
if (!Z_OBJ_HT_P(object)->read_property) {
zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be read", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
}
ZVAL_STRINGL(&property, name, name_length);
value = Z_OBJ_HT_P(object)->read_property(object, &property, silent?BP_VAR_IS:BP_VAR_R, NULL, rv);
zval_ptr_dtor(&property);
EG(scope) = old_scope;
return value;
}
/* }}} */
ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, size_t name_length, zend_bool silent) /* {{{ */
{
zval *property;
zend_class_entry *old_scope = EG(scope);
zend_string *key = zend_string_init(name, name_length, 0);
EG(scope) = scope;
property = zend_std_get_static_property(scope, key, silent);
EG(scope) = old_scope;
zend_string_free(key);
return property;
}
/* }}} */
ZEND_API void zend_save_error_handling(zend_error_handling *current) /* {{{ */
{
current->handling = EG(error_handling);
current->exception = EG(exception_class);
ZVAL_COPY(&current->user_handler, &EG(user_error_handler));
}
/* }}} */
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);
if (error_handling != EH_NORMAL && Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
zval_ptr_dtor(&EG(user_error_handler));
ZVAL_UNDEF(&EG(user_error_handler));
}
}
EG(error_handling) = error_handling;
EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL;
}
/* }}} */
static int same_zval(zval *zv1, zval *zv2) /* {{{ */
{
if (Z_TYPE_P(zv1) != Z_TYPE_P(zv2)) {
return 0;
}
switch (Z_TYPE_P(zv1)) {
case IS_UNDEF:
case IS_NULL:
case IS_FALSE:
case IS_TRUE:
return 1;
case IS_LONG:
return Z_LVAL_P(zv1) == Z_LVAL_P(zv2);
case IS_DOUBLE:
return Z_LVAL_P(zv1) == Z_LVAL_P(zv2);
case IS_STRING:
case IS_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
return Z_COUNTED_P(zv1) == Z_COUNTED_P(zv2);
default:
return 0;
}
}
/* }}} */
ZEND_API void zend_restore_error_handling(zend_error_handling *saved) /* {{{ */
{
EG(error_handling) = saved->handling;
EG(exception_class) = saved->handling == EH_THROW ? saved->exception : NULL;
if (Z_TYPE(saved->user_handler) != IS_UNDEF
&& !same_zval(&saved->user_handler, &EG(user_error_handler))) {
zval_ptr_dtor(&EG(user_error_handler));
ZVAL_COPY_VALUE(&EG(user_error_handler), &saved->user_handler);
} else if (Z_TYPE(saved->user_handler)) {
zval_ptr_dtor(&saved->user_handler);
}
ZVAL_UNDEF(&saved->user_handler);
}
/* }}} */
ZEND_API zend_string* zend_find_alias_name(zend_class_entry *ce, zend_string *name) /* {{{ */
{
zend_trait_alias *alias, **alias_ptr;
if ((alias_ptr = ce->trait_aliases)) {
alias = *alias_ptr;
while (alias) {
if (alias->alias && zend_string_equals_ci(alias->alias, name)) {
return alias->alias;
}
alias_ptr++;
alias = *alias_ptr;
}
}
return name;
}
/* }}} */
ZEND_API zend_string *zend_resolve_method_name(zend_class_entry *ce, zend_function *f) /* {{{ */
{
zend_function *func;
HashTable *function_table;
zend_string *name;
if (f->common.type != ZEND_USER_FUNCTION ||
(f->op_array.refcount && *(f->op_array.refcount) < 2) ||
!f->common.scope ||
!f->common.scope->trait_aliases) {
return f->common.function_name;
}
function_table = &ce->function_table;
ZEND_HASH_FOREACH_STR_KEY_PTR(function_table, name, func) {
if (func == f) {
if (!name) {
return f->common.function_name;
}
if (ZSTR_LEN(name) == ZSTR_LEN(f->common.function_name) &&
!strncasecmp(ZSTR_VAL(name), ZSTR_VAL(f->common.function_name), ZSTR_LEN(f->common.function_name))) {
return f->common.function_name;
}
return zend_find_alias_name(f->common.scope, name);
}
} ZEND_HASH_FOREACH_END();
return f->common.function_name;
}
/* }}} */
ZEND_API 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";
}
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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