/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans | | Zeev Suraski | +----------------------------------------------------------------------+ */ /* $Id: zend_execute.c,v 1.652.2.22 2005/03/21 16:22:10 andi Exp $ */ #define ZEND_INTENSIVE_DEBUGGING 0 #include #include #include "zend.h" #include "zend_compile.h" #include "zend_execute.h" #include "zend_API.h" #include "zend_ptr_stack.h" #include "zend_constants.h" #include "zend_extensions.h" #include "zend_fast_cache.h" #include "zend_ini.h" #include "zend_exceptions.h" #define get_zval_ptr(node, Ts, should_free, type) _get_zval_ptr(node, Ts, should_free TSRMLS_CC) #define get_zval_ptr_ptr(node, Ts, type) _get_zval_ptr_ptr(node, Ts TSRMLS_CC) /* Prototypes */ static void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC); static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC); static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC); static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC); static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); #define RETURN_VALUE_USED(opline) (!((opline)->result.u.EA.type & EXT_TYPE_UNUSED)) #define EX_T(offset) (*(temp_variable *)((char *) EX(Ts) + offset)) #define T(offset) (*(temp_variable *)((char *) Ts + offset)) #define TEMP_VAR_STACK_LIMIT 2000 /* former zend_execute_locks.h */ static inline void zend_pzval_lock_func(zval *z) { z->refcount++; } static inline void zend_pzval_unlock_func(zval *z TSRMLS_DC) { z->refcount--; if (!z->refcount) { z->refcount = 1; z->is_ref = 0; EG(garbage)[EG(garbage_ptr)++] = z; } } static inline void zend_clean_garbage(TSRMLS_D) { while (EG(garbage_ptr)) { zval_ptr_dtor(&EG(garbage)[--EG(garbage_ptr)]); } } #define PZVAL_UNLOCK(z) zend_pzval_unlock_func(z TSRMLS_CC) #define PZVAL_LOCK(z) zend_pzval_lock_func(z) #define RETURN_VALUE_UNUSED(pzn) (((pzn)->u.EA.type & EXT_TYPE_UNUSED)) #define SELECTIVE_PZVAL_LOCK(pzv, pzn) if (!RETURN_VALUE_UNUSED(pzn)) { PZVAL_LOCK(pzv); } /* End of zend_execute_locks.h */ static inline zval *_get_zval_ptr(znode *node, temp_variable *Ts, zval **should_free TSRMLS_DC) { switch (node->op_type) { case IS_CONST: *should_free = 0; return &node->u.constant; break; case IS_TMP_VAR: return *should_free = &T(node->u.var).tmp_var; break; case IS_VAR: if (T(node->u.var).var.ptr) { PZVAL_UNLOCK(T(node->u.var).var.ptr); *should_free = 0; return T(node->u.var).var.ptr; } else { temp_variable *T = &T(node->u.var); zval *str = T->str_offset.str; /* string offset */ *should_free = &T(node->u.var).tmp_var; if (T->str_offset.str->type != IS_STRING || ((int)T->str_offset.offset<0) || (T->str_offset.str->value.str.len <= T->str_offset.offset)) { zend_error(E_NOTICE, "Uninitialized string offset: %d", T->str_offset.offset); T->tmp_var.value.str.val = empty_string; T->tmp_var.value.str.len = 0; } else { char c = str->value.str.val[T->str_offset.offset]; T->tmp_var.value.str.val = estrndup(&c, 1); T->tmp_var.value.str.len = 1; } PZVAL_UNLOCK(str); T->tmp_var.refcount=1; T->tmp_var.is_ref=1; T->tmp_var.type = IS_STRING; return &T->tmp_var; } break; case IS_UNUSED: *should_free = 0; return NULL; break; EMPTY_SWITCH_DEFAULT_CASE() } return NULL; } static inline zval **_get_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC) { if (node->op_type==IS_VAR) { if (T(node->u.var).var.ptr_ptr) { PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr); } else { /* string offset */ PZVAL_UNLOCK(T(node->u.var).str_offset.str); } return T(node->u.var).var.ptr_ptr; } else { return NULL; } } static inline void zend_fetch_property_address_inner(zval *object, znode *op2, znode *result, temp_variable *Ts, int type TSRMLS_DC) { zval *prop_ptr = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval tmp; switch (op2->op_type) { case IS_CONST: /* already a constant string */ break; case IS_VAR: tmp = *prop_ptr; zval_copy_ctor(&tmp); convert_to_string(&tmp); prop_ptr = &tmp; break; case IS_TMP_VAR: convert_to_string(prop_ptr); break; } if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) { zval **ptr_ptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, prop_ptr TSRMLS_CC); if(NULL == ptr_ptr) { if (Z_OBJ_HT_P(object)->read_property && (T(result->u.var).var.ptr = Z_OBJ_HT_P(object)->read_property(object, prop_ptr, BP_VAR_W TSRMLS_CC)) != NULL) { T(result->u.var).var.ptr_ptr = &T(result->u.var).var.ptr; } else { zend_error(E_ERROR, "Cannot access undefined property for object with overloaded property access"); } } else { T(result->u.var).var.ptr_ptr = ptr_ptr; } } else if (Z_OBJ_HT_P(object)->read_property) { T(result->u.var).var.ptr = Z_OBJ_HT_P(object)->read_property(object, prop_ptr, BP_VAR_W TSRMLS_CC); T(result->u.var).var.ptr_ptr = &T(result->u.var).var.ptr; } else { zend_error(E_WARNING, "This object doesn't support property references"); T(result->u.var).var.ptr_ptr = &EG(error_zval_ptr); } if (prop_ptr == &tmp) { zval_dtor(prop_ptr); } FREE_OP(Ts, op2, EG(free_op2)); } static inline void zend_switch_free(zend_op *opline, temp_variable *Ts TSRMLS_DC) { switch (opline->op1.op_type) { case IS_VAR: if (!T(opline->op1.u.var).var.ptr_ptr) { temp_variable *T = &T(opline->op1.u.var); /* perform the equivalent of equivalent of a * quick & silent get_zval_ptr, and FREE_OP */ PZVAL_UNLOCK(T->str_offset.str); } else { zval_ptr_dtor(&T(opline->op1.u.var).var.ptr); if (opline->extended_value) { /* foreach() free */ zval_ptr_dtor(&T(opline->op1.u.var).var.ptr); } } break; case IS_TMP_VAR: zendi_zval_dtor(T(opline->op1.u.var).tmp_var); break; EMPTY_SWITCH_DEFAULT_CASE() } } void zend_assign_to_variable_reference(znode *result, zval **variable_ptr_ptr, zval **value_ptr_ptr, temp_variable *Ts TSRMLS_DC) { zval *variable_ptr; zval *value_ptr; if (!value_ptr_ptr || !variable_ptr_ptr) { zend_error(E_ERROR, "Cannot create references to/from string offsets nor overloaded objects"); return; } variable_ptr = *variable_ptr_ptr; value_ptr = *value_ptr_ptr; if (variable_ptr == EG(error_zval_ptr) || value_ptr==EG(error_zval_ptr)) { variable_ptr_ptr = &EG(uninitialized_zval_ptr); } else if (variable_ptr != value_ptr) { variable_ptr->refcount--; if (variable_ptr->refcount==0) { zendi_zval_dtor(*variable_ptr); FREE_ZVAL(variable_ptr); } if (!PZVAL_IS_REF(value_ptr)) { /* break it away */ value_ptr->refcount--; if (value_ptr->refcount>0) { ALLOC_ZVAL(*value_ptr_ptr); **value_ptr_ptr = *value_ptr; value_ptr = *value_ptr_ptr; zendi_zval_copy_ctor(*value_ptr); } value_ptr->refcount = 1; value_ptr->is_ref = 1; } *variable_ptr_ptr = value_ptr; value_ptr->refcount++; } else if (!variable_ptr->is_ref) { if (variable_ptr_ptr == value_ptr_ptr) { SEPARATE_ZVAL(variable_ptr_ptr); } else if (variable_ptr==EG(uninitialized_zval_ptr) || variable_ptr->refcount>2) { /* we need to separate */ variable_ptr->refcount -= 2; ALLOC_ZVAL(*variable_ptr_ptr); **variable_ptr_ptr = *variable_ptr; zval_copy_ctor(*variable_ptr_ptr); *value_ptr_ptr = *variable_ptr_ptr; (*variable_ptr_ptr)->refcount = 2; } (*variable_ptr_ptr)->is_ref = 1; } if (result && !(result->u.EA.type & EXT_TYPE_UNUSED)) { T(result->u.var).var.ptr_ptr = variable_ptr_ptr; SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result); AI_USE_PTR(T(result->u.var).var); } } static inline void make_real_object(zval **object_ptr TSRMLS_DC) { /* this should modify object only if it's empty */ if ((*object_ptr)->type == IS_NULL || ((*object_ptr)->type == IS_BOOL && (*object_ptr)->value.lval==0) || ((*object_ptr)->type == IS_STRING && (*object_ptr)->value.str.len == 0)) { if (!PZVAL_IS_REF(*object_ptr)) { SEPARATE_ZVAL(object_ptr); } zend_error(E_STRICT, "Creating default object from empty value"); object_init(*object_ptr); } } static inline zval **get_obj_zval_ptr_ptr(znode *op, temp_variable *Ts, int type TSRMLS_DC) { if (op->op_type == IS_UNUSED) { if (EG(This)) { /* this should actually never be modified, _ptr_ptr is modified only when the object is empty */ return &EG(This); } else { zend_error(E_ERROR, "Using $this when not in object context"); } } return get_zval_ptr_ptr(op, Ts, type); } static inline zval *get_obj_zval_ptr(znode *op, temp_variable *Ts, zval **freeop, int type TSRMLS_DC) { if (op->op_type == IS_UNUSED) { if (EG(This)) { return EG(This); } else { zend_error(E_ERROR, "Using $this when not in object context"); } } return get_zval_ptr(op, Ts, freeop, type); } static inline void zend_verify_arg_type(zend_function *zf, zend_uint arg_num, zval *arg TSRMLS_DC) { zend_arg_info *cur_arg_info; if (!zf->common.arg_info || arg_num>zf->common.num_args) { return; } cur_arg_info = &zf->common.arg_info[arg_num-1]; if (cur_arg_info->class_name) { if (!arg) { zend_error(E_ERROR, "Argument %d must be an object of class %s", arg_num, cur_arg_info->class_name); } switch (Z_TYPE_P(arg)) { case IS_NULL: if (!cur_arg_info->allow_null) { zend_error(E_ERROR, "Argument %d must not be null", arg_num); } break; case IS_OBJECT: { zend_class_entry *ce = zend_fetch_class(cur_arg_info->class_name, cur_arg_info->class_name_len, ZEND_FETCH_CLASS_AUTO TSRMLS_CC); if (!instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC)) { char *error_msg; if (ce->ce_flags & ZEND_ACC_INTERFACE) { error_msg = "implement interface"; } else { error_msg = "be an instance of"; } zend_error(E_ERROR, "Argument %d must %s %s", arg_num, error_msg, ce->name); } } break; default: zend_error(E_ERROR, "Argument %d must be an object of class %s", arg_num, cur_arg_info->class_name); break; } } } static inline void zend_assign_to_object(znode *result, zval **object_ptr, znode *op2, znode *value_op, temp_variable *Ts, int opcode TSRMLS_DC) { zval *object; zval *property_name = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval *free_value; zval *value = get_zval_ptr(value_op, Ts, &free_value, BP_VAR_R); zval **retval = &T(result->u.var).var.ptr; make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */ object = *object_ptr; if (object->type != IS_OBJECT) { zend_error(E_WARNING, "Attempt to assign property of non-object"); FREE_OP(Ts, op2, EG(free_op2)); *retval = EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*retval, result); FREE_OP(Ts, value_op, free_value); return; } /* here we are sure we are dealing with an object */ /* separate our value if necessary */ if (EG(ze1_compatibility_mode) && Z_TYPE_P(value) == IS_OBJECT) { zval *orig_value = value; ALLOC_ZVAL(value); *value = *orig_value; value->is_ref = 0; value->refcount = 0; if (Z_OBJ_HANDLER_P(value, clone_obj) == NULL) { zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(orig_value)->name); } zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(orig_value)->name); value->value.obj = Z_OBJ_HANDLER_P(orig_value, clone_obj)(orig_value TSRMLS_CC); } else if (value_op->op_type == IS_TMP_VAR) { zval *orig_value = value; ALLOC_ZVAL(value); *value = *orig_value; value->is_ref = 0; value->refcount = 0; } else if (value_op->op_type == IS_CONST) { zval *orig_value = value; ALLOC_ZVAL(value); *value = *orig_value; value->is_ref = 0; value->refcount = 0; zval_copy_ctor(value); } value->refcount++; if (opcode == ZEND_ASSIGN_OBJ) { zval tmp; switch (op2->op_type) { case IS_CONST: /* already a constant string */ break; case IS_VAR: tmp = *property_name; zval_copy_ctor(&tmp); convert_to_string(&tmp); property_name = &tmp; break; case IS_TMP_VAR: convert_to_string(property_name); break; } Z_OBJ_HT_P(object)->write_property(object, property_name, value TSRMLS_CC); if (property_name == &tmp) { zval_dtor(property_name); } } else { /* Note: property_name in this case is really the array index! */ if (!Z_OBJ_HT_P(object)->write_dimension) { zend_error(E_ERROR, "Cannot use object as array"); } Z_OBJ_HT_P(object)->write_dimension(object, property_name, value TSRMLS_CC); } FREE_OP(Ts, op2, EG(free_op2)); if (result) { T(result->u.var).var.ptr = value; T(result->u.var).var.ptr_ptr = &T(result->u.var).var.ptr; /* this is so that we could use it in FETCH_DIM_R, etc. - see bug #27876 */ SELECTIVE_PZVAL_LOCK(value, result); } zval_ptr_dtor(&value); } static inline void zend_assign_to_variable(znode *result, znode *op1, znode *op2, zval *value, int type, temp_variable *Ts TSRMLS_DC) { zval **variable_ptr_ptr = get_zval_ptr_ptr(op1, Ts, BP_VAR_W); zval *variable_ptr; if (!variable_ptr_ptr) { temp_variable *T = &T(op1->u.var); if (T->str_offset.str->type == IS_STRING) do { zval tmp; zval *final_value = value; if (((int)T->str_offset.offset < 0)) { zend_error(E_WARNING, "Illegal string offset: %d", T->str_offset.offset); break; } if (T->str_offset.offset >= T->str_offset.str->value.str.len) { zend_uint i; if (T->str_offset.str->value.str.len==0) { STR_FREE(T->str_offset.str->value.str.val); T->str_offset.str->value.str.val = (char *) emalloc(T->str_offset.offset+1+1); } else { T->str_offset.str->value.str.val = (char *) erealloc(T->str_offset.str->value.str.val, T->str_offset.offset+1+1); } for (i=T->str_offset.str->value.str.len; istr_offset.offset; i++) { T->str_offset.str->value.str.val[i] = ' '; } T->str_offset.str->value.str.val[T->str_offset.offset+1] = 0; T->str_offset.str->value.str.len = T->str_offset.offset+1; } if (value->type!=IS_STRING) { tmp = *value; if (op2 && op2->op_type == IS_VAR) { zval_copy_ctor(&tmp); } convert_to_string(&tmp); final_value = &tmp; } T->str_offset.str->value.str.val[T->str_offset.offset] = final_value->value.str.val[0]; if (op2) { if (op2->op_type == IS_VAR) { if (value == &T(op2->u.var).tmp_var) { if (result->u.EA.type & EXT_TYPE_UNUSED) { /* We are not going to use return value, drop it */ STR_FREE(value->value.str.val); } else { /* We are going to use return value, make it real zval */ ALLOC_ZVAL(value); *value = T(op2->u.var).tmp_var; value->is_ref = 0; value->refcount = 0; /* LOCK will increase it */ } } } else { if (final_value == &T(op2->u.var).tmp_var) { /* we can safely free final_value here * because separation is done only * in case op2->op_type == IS_VAR */ STR_FREE(final_value->value.str.val); } } } if (final_value == &tmp) { zval_dtor(final_value); } /* * the value of an assignment to a string offset is undefined T(result->u.var).var = &T->str_offset.str; */ } while (0); /* zval_ptr_dtor(&T->str_offset.str); Nuke this line if it doesn't cause a leak */ T->tmp_var.type = IS_STRING; /* T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); */ T(result->u.var).var.ptr_ptr = &value; SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result); AI_USE_PTR(T(result->u.var).var); return; } variable_ptr = *variable_ptr_ptr; if (variable_ptr == EG(error_zval_ptr)) { if (result) { T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result); AI_USE_PTR(T(result->u.var).var); } if (type==IS_TMP_VAR) { zval_dtor(value); } return; } if(Z_TYPE_P(variable_ptr) == IS_OBJECT && Z_OBJ_HANDLER_P(variable_ptr, set)) { /* TODO? ze1_compatibility_mode support */ Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC); goto done_setting_var; } if (EG(ze1_compatibility_mode) && Z_TYPE_P(value) == IS_OBJECT) { if (Z_OBJ_HANDLER_P(value, clone_obj) == NULL) { zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(value)->name); } else if (PZVAL_IS_REF(variable_ptr)) { if (variable_ptr != value) { zend_uint refcount = variable_ptr->refcount; zval garbage; if (type != IS_TMP_VAR) { value->refcount++; } garbage = *variable_ptr; *variable_ptr = *value; variable_ptr->refcount = refcount; variable_ptr->is_ref = 1; zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(value)->name); variable_ptr->value.obj = Z_OBJ_HANDLER_P(value, clone_obj)(value TSRMLS_CC); if (type != IS_TMP_VAR) { value->refcount--; } zendi_zval_dtor(garbage); } } else { variable_ptr->refcount--; if (variable_ptr->refcount == 0) { zendi_zval_dtor(*variable_ptr); } else { ALLOC_ZVAL(variable_ptr); *variable_ptr_ptr = variable_ptr; } *variable_ptr = *value; INIT_PZVAL(variable_ptr); zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(value)->name); variable_ptr->value.obj = Z_OBJ_HANDLER_P(value, clone_obj)(value TSRMLS_CC); } } else if (PZVAL_IS_REF(variable_ptr)) { if (variable_ptr!=value) { zend_uint refcount = variable_ptr->refcount; zval garbage; if (type!=IS_TMP_VAR) { value->refcount++; } garbage = *variable_ptr; *variable_ptr = *value; variable_ptr->refcount = refcount; variable_ptr->is_ref = 1; if (type!=IS_TMP_VAR) { zendi_zval_copy_ctor(*variable_ptr); value->refcount--; } zendi_zval_dtor(garbage); } } else { variable_ptr->refcount--; if (variable_ptr->refcount==0) { switch (type) { case IS_VAR: /* break missing intentionally */ case IS_CONST: if (variable_ptr==value) { variable_ptr->refcount++; } else if (PZVAL_IS_REF(value)) { zval tmp; tmp = *value; zval_copy_ctor(&tmp); tmp.refcount=1; zendi_zval_dtor(*variable_ptr); *variable_ptr = tmp; } else { value->refcount++; zendi_zval_dtor(*variable_ptr); safe_free_zval_ptr(variable_ptr); *variable_ptr_ptr = value; } break; case IS_TMP_VAR: zendi_zval_dtor(*variable_ptr); value->refcount=1; *variable_ptr = *value; break; EMPTY_SWITCH_DEFAULT_CASE() } } else { /* we need to split */ switch (type) { case IS_VAR: /* break missing intentionally */ case IS_CONST: if (PZVAL_IS_REF(value) && value->refcount > 0) { ALLOC_ZVAL(variable_ptr); *variable_ptr_ptr = variable_ptr; *variable_ptr = *value; zval_copy_ctor(variable_ptr); variable_ptr->refcount=1; break; } *variable_ptr_ptr = value; value->refcount++; break; case IS_TMP_VAR: ALLOC_ZVAL(*variable_ptr_ptr); value->refcount=1; **variable_ptr_ptr = *value; break; EMPTY_SWITCH_DEFAULT_CASE() } } (*variable_ptr_ptr)->is_ref=0; } done_setting_var: if (result) { T(result->u.var).var.ptr_ptr = variable_ptr_ptr; SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result); AI_USE_PTR(T(result->u.var).var); } } /* Utility Functions for Extensions */ static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) { if (extension->statement_handler) { extension->statement_handler(op_array); } } static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) { if (extension->fcall_begin_handler) { extension->fcall_begin_handler(op_array); } } static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) { if (extension->fcall_end_handler) { extension->fcall_end_handler(op_array); } } static void print_refcount(zval *p, char *str) { print_refcount(NULL, NULL); } static inline HashTable *zend_get_target_symbol_table(zend_op *opline, temp_variable *Ts, int type, zval *variable TSRMLS_DC) { switch (opline->op2.u.EA.type) { case ZEND_FETCH_LOCAL: return EG(active_symbol_table); break; case ZEND_FETCH_GLOBAL: return &EG(symbol_table); break; case ZEND_FETCH_STATIC: if (!EG(active_op_array)->static_variables) { ALLOC_HASHTABLE(EG(active_op_array)->static_variables); zend_hash_init(EG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0); } return EG(active_op_array)->static_variables; break; EMPTY_SWITCH_DEFAULT_CASE() } return NULL; } static void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC) { zval *free_op1; zval *varname = get_zval_ptr(&opline->op1, Ts, &free_op1, BP_VAR_R); zval **retval; zval tmp_varname; HashTable *target_symbol_table; zend_bool free_tmp = 0; if (varname->type != IS_STRING) { tmp_varname = *varname; zval_copy_ctor(&tmp_varname); convert_to_string(&tmp_varname); varname = &tmp_varname; free_tmp = 1; } if (opline->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) { target_symbol_table = NULL; retval = zend_std_get_static_property(T(opline->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 0 TSRMLS_CC); } else { if (opline->op2.u.EA.type == ZEND_FETCH_GLOBAL && opline->op1.op_type == IS_VAR) { varname->refcount++; } target_symbol_table = zend_get_target_symbol_table(opline, Ts, type, varname TSRMLS_CC); if (!target_symbol_table) { return; } if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &retval) == FAILURE) { switch (type) { case BP_VAR_R: zend_error(E_NOTICE,"Undefined variable: %s", varname->value.str.val); /* break missing intentionally */ case BP_VAR_IS: retval = &EG(uninitialized_zval_ptr); break; case BP_VAR_RW: zend_error(E_NOTICE,"Undefined variable: %s", varname->value.str.val); /* break missing intentionally */ case BP_VAR_W: { zval *new_zval = &EG(uninitialized_zval); new_zval->refcount++; zend_hash_update(target_symbol_table, varname->value.str.val, varname->value.str.len+1, &new_zval, sizeof(zval *), (void **) &retval); } break; EMPTY_SWITCH_DEFAULT_CASE() } } switch (opline->op2.u.EA.type) { case ZEND_FETCH_LOCAL: FREE_OP(Ts, &opline->op1, free_op1); break; case ZEND_FETCH_STATIC: zval_update_constant(retval, (void*) 1 TSRMLS_CC); break; } } if (free_tmp) { zval_dtor(varname); } T(opline->result.u.var).var.ptr_ptr = retval; SELECTIVE_PZVAL_LOCK(*retval, &opline->result); } static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, znode *op2, temp_variable *Ts, int type TSRMLS_DC) { zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval **retval; char *offset_key; int offset_key_length; switch (dim->type) { case IS_NULL: offset_key = ""; offset_key_length = 0; goto fetch_string_dim; case IS_STRING: offset_key = dim->value.str.val; offset_key_length = dim->value.str.len; fetch_string_dim: if (zend_symtable_find(ht, offset_key, offset_key_length+1, (void **) &retval) == FAILURE) { switch (type) { case BP_VAR_R: zend_error(E_NOTICE, "Undefined index: %s", offset_key); /* break missing intentionally */ case BP_VAR_UNSET: case BP_VAR_IS: retval = &EG(uninitialized_zval_ptr); break; case BP_VAR_RW: zend_error(E_NOTICE,"Undefined index: %s", offset_key); /* break missing intentionally */ case BP_VAR_W: { zval *new_zval = &EG(uninitialized_zval); new_zval->refcount++; zend_symtable_update(ht, offset_key, offset_key_length+1, &new_zval, sizeof(zval *), (void **) &retval); } break; } } break; case IS_RESOURCE: zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", dim->value.lval, dim->value.lval); /* Fall Through */ case IS_DOUBLE: case IS_BOOL: case IS_LONG: { long index; if (dim->type == IS_DOUBLE) { index = (long)dim->value.dval; } else { index = dim->value.lval; } if (zend_hash_index_find(ht, index, (void **) &retval) == FAILURE) { switch (type) { case BP_VAR_R: zend_error(E_NOTICE,"Undefined offset: %ld", index); /* break missing intentionally */ case BP_VAR_UNSET: case BP_VAR_IS: retval = &EG(uninitialized_zval_ptr); break; case BP_VAR_RW: zend_error(E_NOTICE,"Undefined offset: %ld", index); /* break missing intentionally */ case BP_VAR_W: { zval *new_zval = &EG(uninitialized_zval); new_zval->refcount++; zend_hash_index_update(ht, index, &new_zval, sizeof(zval *), (void **) &retval); } break; } } } break; default: zend_error(E_WARNING, "Illegal offset type"); switch (type) { case BP_VAR_R: case BP_VAR_IS: case BP_VAR_UNSET: retval = &EG(uninitialized_zval_ptr); break; default: retval = &EG(error_zval_ptr); break; } break; } FREE_OP(Ts, op2, EG(free_op2)); return retval; } static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC) { zval **container_ptr = get_zval_ptr_ptr(op1, Ts, type); zval *container; zval ***retval = &T(result->u.var).var.ptr_ptr; if (!container_ptr) { zend_error(E_ERROR, "Cannot use string offset as an array"); } container = *container_ptr; if (container == EG(error_zval_ptr)) { *retval = &EG(error_zval_ptr); SELECTIVE_PZVAL_LOCK(**retval, result); return; } if (container->type==IS_NULL || (container->type==IS_BOOL && container->value.lval==0) || (container->type==IS_STRING && container->value.str.len==0)) { switch (type) { case BP_VAR_RW: case BP_VAR_W: if (!PZVAL_IS_REF(container)) { SEPARATE_ZVAL(container_ptr); container = *container_ptr; } array_init(container); break; } } switch (container->type) { case IS_ARRAY: if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) { SEPARATE_ZVAL(container_ptr); container = *container_ptr; } if (op2->op_type == IS_UNUSED) { zval *new_zval = &EG(uninitialized_zval); new_zval->refcount++; if (zend_hash_next_index_insert(container->value.ht, &new_zval, sizeof(zval *), (void **) retval) == FAILURE) { zend_error(E_WARNING, "Cannot add element to the array as the next element is already occupied"); *retval = &EG(uninitialized_zval_ptr); new_zval->refcount--; } } else { *retval = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, type TSRMLS_CC); } SELECTIVE_PZVAL_LOCK(**retval, result); break; case IS_NULL: /* for read-mode only */ get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); *retval = &EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(**retval, result); FREE_OP(Ts, op2, EG(free_op2)); if (type==BP_VAR_W || type==BP_VAR_RW) { zend_error(E_WARNING, "Cannot use a NULL value as an array"); } break; case IS_STRING: { zval *offset; zval tmp; if (op2->op_type==IS_UNUSED) { zend_error(E_ERROR, "[] operator not supported for strings"); } offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); if (offset->type != IS_LONG) { tmp = *offset; zval_copy_ctor(&tmp); convert_to_long(&tmp); offset = &tmp; } switch (type) { case BP_VAR_R: case BP_VAR_IS: case BP_VAR_UNSET: /* do nothing... */ break; default: SEPARATE_ZVAL_IF_NOT_REF(container_ptr); break; } container = *container_ptr; T(result->u.var).str_offset.str = container; PZVAL_LOCK(container); T(result->u.var).str_offset.offset = offset->value.lval; FREE_OP(Ts, op2, EG(free_op2)); *retval = NULL; return; } break; case IS_OBJECT: if (!Z_OBJ_HT_P(container)->read_dimension) { zend_error(E_ERROR, "Cannot use object as array"); } else { zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval *overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC); if (overloaded_result) { switch (type) { case BP_VAR_RW: case BP_VAR_W: if (overloaded_result->type != IS_OBJECT && !overloaded_result->is_ref) { zend_error(E_ERROR, "Objects used as arrays in post/pre increment/decrement must return values by reference"); } break; } *retval = &overloaded_result; } else { *retval = &EG(error_zval_ptr); } AI_USE_PTR(T(result->u.var).var); FREE_OP(Ts, op2, EG(free_op2)); SELECTIVE_PZVAL_LOCK(**retval, result); } break; default: { get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); switch (type) { case BP_VAR_UNSET: zend_error(E_WARNING, "Cannot unset offset in a non-array variable"); /* break missing intentionally */ case BP_VAR_R: case BP_VAR_IS: *retval = &EG(uninitialized_zval_ptr); break; default: *retval = &EG(error_zval_ptr); break; } FREE_OP(Ts, op2, EG(free_op2)); SELECTIVE_PZVAL_LOCK(**retval, result); if (type==BP_VAR_W || type==BP_VAR_RW) { zend_error(E_WARNING, "Cannot use a scalar value as an array"); } } break; } } static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC) { zval *free_op1; zval *container = get_zval_ptr(op1, Ts, &free_op1, BP_VAR_R); if (container->type != IS_ARRAY) { T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result); return; } T(result->u.var).var.ptr_ptr = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, BP_VAR_R TSRMLS_CC); SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result); } static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC) { zval **container_ptr = get_obj_zval_ptr_ptr(op1, Ts, type TSRMLS_CC); zval *container; zval ***retval = &T(result->u.var).var.ptr_ptr; container = *container_ptr; if (container == EG(error_zval_ptr)) { *retval = &EG(error_zval_ptr); SELECTIVE_PZVAL_LOCK(**retval, result); return; } /* this should modify object only if it's empty */ if (container->type == IS_NULL || (container->type == IS_BOOL && container->value.lval==0) || (container->type == IS_STRING && container->value.str.len == 0)) { switch (type) { case BP_VAR_RW: case BP_VAR_W: if (!PZVAL_IS_REF(container)) { SEPARATE_ZVAL(container_ptr); container = *container_ptr; } object_init(container); break; } } if (container->type != IS_OBJECT) { get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); FREE_OP(Ts, op2, EG(free_op2)); if (type == BP_VAR_R || type == BP_VAR_IS) { *retval = &EG(uninitialized_zval_ptr); } else { *retval = &EG(error_zval_ptr); } SELECTIVE_PZVAL_LOCK(**retval, result); return; } if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) { SEPARATE_ZVAL(container_ptr); container = *container_ptr; } zend_fetch_property_address_inner(container, op2, result, Ts, type TSRMLS_CC); SELECTIVE_PZVAL_LOCK(**retval, result); } static void zend_fetch_property_address_read(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC) { zval *container; zval **retval; retval = &T(result->u.var).var.ptr; T(result->u.var).var.ptr_ptr = retval; container = get_obj_zval_ptr(op1, Ts, &EG(free_op1), type TSRMLS_CC); if (container == EG(error_zval_ptr)) { *retval = EG(error_zval_ptr); SELECTIVE_PZVAL_LOCK(*retval, result); return; } if (container->type != IS_OBJECT) { zend_error(E_NOTICE, "Trying to get property of non-object"); if (type==BP_VAR_R || type==BP_VAR_IS) { *retval = EG(uninitialized_zval_ptr); } else { *retval = EG(error_zval_ptr); } } else { zval *offset; zval tmp; offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); switch (op2->op_type) { case IS_CONST: /* already a constant string */ break; case IS_VAR: tmp = *offset; zval_copy_ctor(&tmp); convert_to_string(&tmp); offset = &tmp; break; case IS_TMP_VAR: convert_to_string(offset); break; } /* here we are sure we are dealing with an object */ *retval = Z_OBJ_HT_P(container)->read_property(container, offset, type TSRMLS_CC); if (offset == &tmp) { zval_dtor(offset); } FREE_OP(Ts, op2, EG(free_op2)); if (RETURN_VALUE_UNUSED(result) && ((*retval)->refcount == 0)) { zval_dtor(*retval); FREE_ZVAL(*retval); return; /* no need for locking */ } } SELECTIVE_PZVAL_LOCK(*retval, result); } static void zend_pre_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC) { zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC); zval *object; zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval **retval = &T(result->u.var).var.ptr; int have_get_ptr = 0; make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */ object = *object_ptr; if (object->type != IS_OBJECT) { zend_error(E_WARNING, "Attempt to increment/decrement property of non-object"); FREE_OP(Ts, op2, EG(free_op2)); *retval = EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*retval, result); return; } /* here we are sure we are dealing with an object */ if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) { zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC); if (zptr != NULL) { /* NULL means no success in getting PTR */ SEPARATE_ZVAL_IF_NOT_REF(zptr); have_get_ptr = 1; incdec_op(*zptr); *retval = *zptr; SELECTIVE_PZVAL_LOCK(*retval, result); } } if (!have_get_ptr) { zval *z = Z_OBJ_HT_P(object)->read_property(object, property, BP_VAR_RW TSRMLS_CC); if (z->type == IS_OBJECT && Z_OBJ_HT_P(z)->get) { zval *value = Z_OBJ_HT_P(z)->get(z TSRMLS_CC); if (z->refcount == 0) { zval_dtor(z); FREE_ZVAL(z); } z = value; } z->refcount++; SEPARATE_ZVAL_IF_NOT_REF(&z); incdec_op(z); *retval = z; Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC); SELECTIVE_PZVAL_LOCK(*retval, result); zval_ptr_dtor(&z); } FREE_OP(Ts, op2, EG(free_op2)); } static void zend_post_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC) { zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC); zval *object; zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R); zval *retval = &T(result->u.var).tmp_var; int have_get_ptr = 0; make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */ object = *object_ptr; if (object->type != IS_OBJECT) { zend_error(E_WARNING, "Attempt to increment/decrement property of non-object"); FREE_OP(Ts, op2, EG(free_op2)); *retval = *EG(uninitialized_zval_ptr); return; } /* here we are sure we are dealing with an object */ if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) { zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC); if (zptr != NULL) { /* NULL means no success in getting PTR */ have_get_ptr = 1; SEPARATE_ZVAL_IF_NOT_REF(zptr); *retval = **zptr; zendi_zval_copy_ctor(*retval); incdec_op(*zptr); } } if (!have_get_ptr) { zval *z = Z_OBJ_HT_P(object)->read_property(object, property, BP_VAR_RW TSRMLS_CC); if (z->type == IS_OBJECT && Z_OBJ_HT_P(z)->get) { zval *value = Z_OBJ_HT_P(z)->get(z TSRMLS_CC); if (z->refcount == 0) { zval_dtor(z); FREE_ZVAL(z); } z = value; } *retval = *z; zendi_zval_copy_ctor(*retval); incdec_op(z); z->refcount++; Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC); zval_ptr_dtor(&z); } FREE_OP(Ts, op2, EG(free_op2)); } #if ZEND_INTENSIVE_DEBUGGING #define CHECK_SYMBOL_TABLES() \ zend_hash_apply(&EG(symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \ if (&EG(symbol_table)!=EG(active_symbol_table)) { \ zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \ } static int zend_check_symbol(zval **pz TSRMLS_DC) { if (Z_TYPE_PP(pz) > 9) { fprintf(stderr, "Warning! %x has invalid type!\n", *pz); } else if (Z_TYPE_PP(pz) == IS_ARRAY) { zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC); } else if (Z_TYPE_PP(pz) == IS_OBJECT) { /* OBJ-TBI - doesn't support new object model! */ zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC); } return 0; } #else #define CHECK_SYMBOL_TABLES() #endif #define NEXT_OPCODE() \ CHECK_SYMBOL_TABLES() \ EX(opline)++; \ return 0; /* CHECK_ME */ #define SET_OPCODE(new_op) \ CHECK_SYMBOL_TABLES() \ EX(opline) = new_op; #define INC_OPCODE() \ if (!EG(exception)) { \ CHECK_SYMBOL_TABLES() \ EX(opline)++; \ } #define RETURN_FROM_EXECUTE_LOOP(execute_data) \ if (EX(op_array)->T < TEMP_VAR_STACK_LIMIT) { \ free_alloca(EX(Ts)); \ } else { \ efree(EX(Ts)); \ } \ EG(in_execution) = EX(original_in_execution); \ EG(current_execute_data) = EX(prev_execute_data); \ return 1; /* CHECK_ME */ ZEND_API opcode_handler_t zend_opcode_handlers[512]; ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC) { ((zend_internal_function *) execute_data_ptr->function_state.function)->handler(execute_data_ptr->opline->extended_value, (*(temp_variable *)((char *) execute_data_ptr->Ts + execute_data_ptr->opline->result.u.var)).var.ptr, execute_data_ptr->object, return_value_used TSRMLS_CC); } ZEND_API void execute(zend_op_array *op_array TSRMLS_DC) { zend_execute_data execute_data; /* Initialize execute_data */ EX(fbc) = NULL; EX(object) = NULL; if (op_array->T < TEMP_VAR_STACK_LIMIT) { EX(Ts) = (temp_variable *) do_alloca(sizeof(temp_variable) * op_array->T); } else { EX(Ts) = (temp_variable *) safe_emalloc(sizeof(temp_variable), op_array->T, 0); } EX(op_array) = op_array; EX(original_in_execution) = EG(in_execution); EX(prev_execute_data) = EG(current_execute_data); EG(current_execute_data) = &execute_data; EG(in_execution) = 1; if (op_array->start_op) { SET_OPCODE(op_array->start_op); } else { SET_OPCODE(op_array->opcodes); } if (op_array->uses_this && EG(This)) { EG(This)->refcount++; /* For $this pointer */ if (zend_hash_add(EG(active_symbol_table), "this", sizeof("this"), &EG(This), sizeof(zval *), NULL)==FAILURE) { EG(This)->refcount--; } } EG(opline_ptr) = &EX(opline); EX(function_state).function = (zend_function *) op_array; EG(function_state_ptr) = &EX(function_state); #if ZEND_DEBUG /* function_state.function_symbol_table is saved as-is to a stack, * which is an intentional UMR. Shut it up if we're in DEBUG. */ EX(function_state).function_symbol_table = NULL; #endif while (1) { #ifdef ZEND_WIN32 if (EG(timed_out)) { zend_timeout(0); } #endif zend_clean_garbage(TSRMLS_C); if (EX(opline)->handler(&execute_data, EX(opline), op_array TSRMLS_CC)) { return; } } zend_error(E_ERROR, "Arrived at end of main loop which shouldn't happen"); } /* CHECK_ME */ #undef EX #define EX(element) execute_data->element int zend_add_handler(ZEND_OPCODE_HANDLER_ARGS) { add_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_sub_handler(ZEND_OPCODE_HANDLER_ARGS) { sub_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_mul_handler(ZEND_OPCODE_HANDLER_ARGS) { mul_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_div_handler(ZEND_OPCODE_HANDLER_ARGS) { div_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_mod_handler(ZEND_OPCODE_HANDLER_ARGS) { mod_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_sl_handler(ZEND_OPCODE_HANDLER_ARGS) { shift_left_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_sr_handler(ZEND_OPCODE_HANDLER_ARGS) { shift_right_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_concat_handler(ZEND_OPCODE_HANDLER_ARGS) { concat_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_identical_handler(ZEND_OPCODE_HANDLER_ARGS) { is_identical_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_not_identical_handler(ZEND_OPCODE_HANDLER_ARGS) { is_not_identical_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_equal_handler(ZEND_OPCODE_HANDLER_ARGS) { is_equal_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_not_equal_handler(ZEND_OPCODE_HANDLER_ARGS) { is_not_equal_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_smaller_handler(ZEND_OPCODE_HANDLER_ARGS) { is_smaller_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_is_smaller_or_equal_handler(ZEND_OPCODE_HANDLER_ARGS) { is_smaller_or_equal_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS) { bitwise_or_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS) { bitwise_and_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS) { bitwise_xor_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_bool_xor_handler(ZEND_OPCODE_HANDLER_ARGS) { boolean_xor_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_bw_not_handler(ZEND_OPCODE_HANDLER_ARGS) { bitwise_not_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } int zend_bool_not_handler(ZEND_OPCODE_HANDLER_ARGS) { boolean_not_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } static inline int zend_binary_assign_op_obj_helper(int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC), ZEND_OPCODE_HANDLER_ARGS) { zend_op *op_data = opline+1; zval **object_ptr = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W TSRMLS_CC); zval *object; zval *property = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); zval *free_value; zval *value = get_zval_ptr(&op_data->op1, EX(Ts), &free_value, BP_VAR_R); zval tmp; znode *result = &opline->result; zval **retval = &EX_T(result->u.var).var.ptr; int have_get_ptr = 0; EX_T(result->u.var).var.ptr_ptr = NULL; make_real_object(object_ptr TSRMLS_CC); object = *object_ptr; if (object->type != IS_OBJECT) { zend_error(E_WARNING, "Attempt to assign property of non-object"); FREE_OP(Ts, op2, EG(free_op2)); FREE_OP(Ts, value, free_value); *retval = EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*retval, result); } else { /* here we are sure we are dealing with an object */ switch (opline->op2.op_type) { case IS_CONST: /* already a constant string */ break; case IS_VAR: tmp = *property; zval_copy_ctor(&tmp); convert_to_string(&tmp); property = &tmp; break; case IS_TMP_VAR: convert_to_string(property); break; } /* here property is a string */ if (opline->extended_value == ZEND_ASSIGN_OBJ && Z_OBJ_HT_P(object)->get_property_ptr_ptr) { zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC); if (zptr != NULL) { /* NULL means no success in getting PTR */ SEPARATE_ZVAL_IF_NOT_REF(zptr); have_get_ptr = 1; binary_op(*zptr, *zptr, value TSRMLS_CC); *retval = *zptr; SELECTIVE_PZVAL_LOCK(*retval, result); } } if (!have_get_ptr) { zval *z; switch (opline->extended_value) { case ZEND_ASSIGN_OBJ: z = Z_OBJ_HT_P(object)->read_property(object, property, BP_VAR_RW TSRMLS_CC); break; case ZEND_ASSIGN_DIM: z = Z_OBJ_HT_P(object)->read_dimension(object, property, BP_VAR_RW TSRMLS_CC); break; } if (z->type == IS_OBJECT && Z_OBJ_HT_P(z)->get) { zval *value = Z_OBJ_HT_P(z)->get(z TSRMLS_CC); if (z->refcount == 0) { zval_dtor(z); FREE_ZVAL(z); } z = value; } z->refcount++; SEPARATE_ZVAL_IF_NOT_REF(&z); binary_op(z, z, value TSRMLS_CC); switch (opline->extended_value) { case ZEND_ASSIGN_OBJ: Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC); break; case ZEND_ASSIGN_DIM: Z_OBJ_HT_P(object)->write_dimension(object, property, z TSRMLS_CC); break; } *retval = z; SELECTIVE_PZVAL_LOCK(*retval, result); zval_ptr_dtor(&z); } if (property == &tmp) { zval_dtor(property); } FREE_OP(Ts, op2, EG(free_op2)); FREE_OP(Ts, value, free_value); } /* assign_obj has two opcodes! */ INC_OPCODE(); NEXT_OPCODE(); } static inline int zend_binary_assign_op_helper(int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC), ZEND_OPCODE_HANDLER_ARGS) { zval **var_ptr; zval *value; zend_bool increment_opline = 0; switch (opline->extended_value) { case ZEND_ASSIGN_OBJ: return zend_binary_assign_op_obj_helper(binary_op, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); break; case ZEND_ASSIGN_DIM: { zval **object_ptr = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W TSRMLS_CC); (*object_ptr)->refcount++; /* undo the effect of get_obj_zval_ptr_ptr() */ if ((*object_ptr)->type == IS_OBJECT) { return zend_binary_assign_op_obj_helper(binary_op, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } else { zend_op *op_data = opline+1; zend_fetch_dimension_address(&op_data->op2, &opline->op1, &opline->op2, EX(Ts), BP_VAR_RW TSRMLS_CC); value = get_zval_ptr(&op_data->op1, EX(Ts), &EG(free_op1), BP_VAR_R); var_ptr = get_zval_ptr_ptr(&op_data->op2, EX(Ts), BP_VAR_RW); EG(free_op2) = 0; increment_opline = 1; } } break; default: value = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); var_ptr = get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_RW); EG(free_op1) = 0; /* do nothing */ break; } if (!var_ptr) { zend_error(E_ERROR, "Cannot use assign-op operators with overloaded objects nor string offsets"); } if (*var_ptr == EG(error_zval_ptr)) { EX_T(opline->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*EX_T(opline->result.u.var).var.ptr_ptr, &opline->result); AI_USE_PTR(EX_T(opline->result.u.var).var); if (increment_opline) { INC_OPCODE(); } NEXT_OPCODE(); } SEPARATE_ZVAL_IF_NOT_REF(var_ptr); if(Z_TYPE_PP(var_ptr) == IS_OBJECT && Z_OBJ_HANDLER_PP(var_ptr, get) && Z_OBJ_HANDLER_PP(var_ptr, set)) { /* proxy object */ zval *objval = Z_OBJ_HANDLER_PP(var_ptr, get)(*var_ptr TSRMLS_CC); objval->refcount++; binary_op(objval, objval, value TSRMLS_CC); Z_OBJ_HANDLER_PP(var_ptr, set)(var_ptr, objval TSRMLS_CC); zval_ptr_dtor(&objval); } else { binary_op(*var_ptr, *var_ptr, value TSRMLS_CC); } EX_T(opline->result.u.var).var.ptr_ptr = var_ptr; SELECTIVE_PZVAL_LOCK(*var_ptr, &opline->result); FREE_OP(Ex(Ts), &opline->op1, EG(free_op1)); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); AI_USE_PTR(EX_T(opline->result.u.var).var); if (increment_opline) { INC_OPCODE(); } NEXT_OPCODE(); } int zend_assign_add_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(add_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_sub_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(sub_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_mul_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(mul_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_div_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(div_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_mod_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(mod_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_sl_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(shift_left_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_sr_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(shift_right_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_concat_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(concat_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(bitwise_or_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(bitwise_and_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_assign_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_binary_assign_op_helper(bitwise_xor_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_pre_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_pre_incdec_property(&opline->result, &opline->op1, &opline->op2, EX(Ts), increment_function TSRMLS_CC); NEXT_OPCODE(); } int zend_pre_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_pre_incdec_property(&opline->result, &opline->op1, &opline->op2, EX(Ts), decrement_function TSRMLS_CC); NEXT_OPCODE(); } int zend_post_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_post_incdec_property(&opline->result, &opline->op1, &opline->op2, EX(Ts), increment_function TSRMLS_CC); NEXT_OPCODE(); } int zend_post_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_post_incdec_property(&opline->result, &opline->op1, &opline->op2, EX(Ts), decrement_function TSRMLS_CC); NEXT_OPCODE(); } typedef int (*incdec_t)(zval *); static inline int zend_incdec_op_helper(incdec_t incdec_op_arg, ZEND_OPCODE_HANDLER_ARGS) { zval **var_ptr = get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_RW); int (*incdec_op)(zval *op1) = incdec_op_arg; if (!var_ptr) { zend_error(E_ERROR, "Cannot increment/decrement overloaded objects nor string offsets"); } if (*var_ptr == EG(error_zval_ptr)) { switch (opline->opcode) { case ZEND_PRE_INC: case ZEND_PRE_DEC: EX_T(opline->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); SELECTIVE_PZVAL_LOCK(*EX_T(opline->result.u.var).var.ptr_ptr, &opline->result); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); break; case ZEND_POST_INC: case ZEND_POST_DEC: EX_T(opline->result.u.var).tmp_var = *EG(uninitialized_zval_ptr); NEXT_OPCODE(); break; } } switch (opline->opcode) { case ZEND_POST_INC: case ZEND_POST_DEC: EX_T(opline->result.u.var).tmp_var = **var_ptr; zendi_zval_copy_ctor(EX_T(opline->result.u.var).tmp_var); break; } SEPARATE_ZVAL_IF_NOT_REF(var_ptr); if(Z_TYPE_PP(var_ptr) == IS_OBJECT && Z_OBJ_HANDLER_PP(var_ptr, get) && Z_OBJ_HANDLER_PP(var_ptr, set)) { /* proxy object */ zval *val = Z_OBJ_HANDLER_PP(var_ptr, get)(*var_ptr TSRMLS_CC); val->refcount++; incdec_op(val); Z_OBJ_HANDLER_PP(var_ptr, set)(var_ptr, val TSRMLS_CC); zval_ptr_dtor(&val); } else { incdec_op(*var_ptr); } switch (opline->opcode) { case ZEND_PRE_INC: case ZEND_PRE_DEC: EX_T(opline->result.u.var).var.ptr_ptr = var_ptr; SELECTIVE_PZVAL_LOCK(*var_ptr, &opline->result); AI_USE_PTR(EX_T(opline->result.u.var).var); break; } NEXT_OPCODE(); } int zend_pre_inc_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_pre_dec_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_post_inc_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_post_dec_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_echo_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *free_op1; zval z_copy; zval *z = get_zval_ptr(&opline->op1, EX(Ts), &free_op1, BP_VAR_R); if (Z_TYPE_P(z) == IS_OBJECT && Z_OBJ_HT_P(z)->get_method != NULL && zend_std_cast_object_tostring(z, &z_copy, IS_STRING, 0 TSRMLS_CC) == SUCCESS) { zend_print_variable(&z_copy); zval_dtor(&z_copy); } else { zend_print_variable(z); } FREE_OP(EX(Ts), &opline->op1, free_op1); NEXT_OPCODE(); } int zend_print_handler(ZEND_OPCODE_HANDLER_ARGS) { EX_T(opline->result.u.var).tmp_var.value.lval = 1; EX_T(opline->result.u.var).tmp_var.type = IS_LONG; return zend_echo_handler(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_fetch_r_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_var_address(opline, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_w_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_var_address(opline, EX(Ts), BP_VAR_W TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_rw_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_var_address(opline, EX(Ts), BP_VAR_RW TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS) { if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->extended_value)) { /* Behave like FETCH_W */ zend_fetch_var_address(opline, EX(Ts), BP_VAR_W TSRMLS_CC); } else { /* Behave like FETCH_R */ zend_fetch_var_address(opline, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); } NEXT_OPCODE(); } int zend_fetch_unset_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_var_address(opline, EX(Ts), BP_VAR_R TSRMLS_CC); PZVAL_UNLOCK(*EX_T(opline->result.u.var).var.ptr_ptr); if (EX_T(opline->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) { SEPARATE_ZVAL_IF_NOT_REF(EX_T(opline->result.u.var).var.ptr_ptr); } PZVAL_LOCK(*EX_T(opline->result.u.var).var.ptr_ptr); NEXT_OPCODE(); } int zend_fetch_is_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_var_address(opline, EX(Ts), BP_VAR_IS TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_dim_r_handler(ZEND_OPCODE_HANDLER_ARGS) { if (opline->extended_value == ZEND_FETCH_ADD_LOCK) { PZVAL_LOCK(*EX_T(opline->op1.u.var).var.ptr_ptr); } zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_dim_w_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_W TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_dim_rw_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_RW TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_dim_is_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_IS TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_dim_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS) { if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->extended_value)) { /* Behave like FETCH_DIM_W */ zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_W TSRMLS_CC); } else { /* Behave like FETCH_DIM_R, except for locking used for list() */ zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); } NEXT_OPCODE(); } int zend_fetch_dim_unset_handler(ZEND_OPCODE_HANDLER_ARGS) { /* Not needed in DIM_UNSET if (opline->extended_value == ZEND_FETCH_ADD_LOCK) { PZVAL_LOCK(*EX_T(opline->op1.u.var).var.ptr_ptr); } */ zend_fetch_dimension_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_UNSET TSRMLS_CC); if (EX_T(opline->result.u.var).var.ptr_ptr == NULL) { zend_error(E_ERROR, "Cannot unset string offsets"); } else { PZVAL_UNLOCK(*EX_T(opline->result.u.var).var.ptr_ptr); if (EX_T(opline->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) { SEPARATE_ZVAL_IF_NOT_REF(EX_T(opline->result.u.var).var.ptr_ptr); } PZVAL_LOCK(*EX_T(opline->result.u.var).var.ptr_ptr); } NEXT_OPCODE(); } int zend_fetch_obj_r_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_property_address_read(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_obj_w_handler(ZEND_OPCODE_HANDLER_ARGS) { if (opline->extended_value == ZEND_FETCH_ADD_LOCK) { PZVAL_LOCK(*EX_T(opline->op1.u.var).var.ptr_ptr); EX_T(opline->op1.u.var).var.ptr = *EX_T(opline->op1.u.var).var.ptr_ptr; } zend_fetch_property_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_W TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_obj_rw_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_property_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_RW TSRMLS_CC); NEXT_OPCODE(); } int zend_fetch_obj_is_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_property_address_read(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_IS TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_fetch_obj_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS) { if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->extended_value)) { /* Behave like FETCH_OBJ_W */ zend_fetch_property_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_W TSRMLS_CC); } else { zend_fetch_property_address_read(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_R TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); } NEXT_OPCODE(); } int zend_fetch_obj_unset_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_property_address(&opline->result, &opline->op1, &opline->op2, EX(Ts), BP_VAR_R TSRMLS_CC); PZVAL_UNLOCK(*EX_T(opline->result.u.var).var.ptr_ptr); if (EX_T(opline->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) { SEPARATE_ZVAL_IF_NOT_REF(EX_T(opline->result.u.var).var.ptr_ptr); } PZVAL_LOCK(*EX_T(opline->result.u.var).var.ptr_ptr); NEXT_OPCODE(); } int zend_fetch_dim_tmp_var_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_fetch_dimension_address_from_tmp_var(&opline->result, &opline->op1, &opline->op2, EX(Ts) TSRMLS_CC); AI_USE_PTR(EX_T(opline->result.u.var).var); NEXT_OPCODE(); } int zend_assign_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_op *op_data = opline+1; zval **object_ptr = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W TSRMLS_CC); zend_assign_to_object(&opline->result, object_ptr, &opline->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_OBJ TSRMLS_CC); /* assign_obj has two opcodes! */ INC_OPCODE(); NEXT_OPCODE(); } int zend_assign_dim_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_op *op_data = opline+1; zval **object_ptr; if (EX_T(opline->op1.u.var).var.ptr_ptr) { /* not an array offset */ object_ptr = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W TSRMLS_CC); } else { object_ptr = NULL; } if (object_ptr && (*object_ptr)->type == IS_OBJECT) { zend_assign_to_object(&opline->result, object_ptr, &opline->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_DIM TSRMLS_CC); } else { zval *value; if (object_ptr) { (*object_ptr)->refcount++; /* undo the effect of get_obj_zval_ptr_ptr() */ } zend_fetch_dimension_address(&op_data->op2, &opline->op1, &opline->op2, EX(Ts), BP_VAR_W TSRMLS_CC); value = get_zval_ptr(&op_data->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zend_assign_to_variable(&opline->result, &op_data->op2, &op_data->op1, value, (EG(free_op1)?IS_TMP_VAR:opline->op1.op_type), EX(Ts) TSRMLS_CC); } /* assign_dim has two opcodes! */ INC_OPCODE(); NEXT_OPCODE(); } int zend_assign_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *value; value = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); zend_assign_to_variable(&opline->result, &opline->op1, &opline->op2, value, (EG(free_op2)?IS_TMP_VAR:opline->op2.op_type), EX(Ts) TSRMLS_CC); /* zend_assign_to_variable() always takes care of op2, never free it! */ NEXT_OPCODE(); } int zend_assign_ref_handler(ZEND_OPCODE_HANDLER_ARGS) { zval **value_ptr_ptr = get_zval_ptr_ptr(&opline->op2, EX(Ts), BP_VAR_W); zend_assign_to_variable_reference(&opline->result, get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W), value_ptr_ptr, EX(Ts) TSRMLS_CC); NEXT_OPCODE(); } int zend_jmp_handler(ZEND_OPCODE_HANDLER_ARGS) { #if DEBUG_ZEND>=2 printf("Jumping to %d\n", opline->op1.u.opline_num); #endif SET_OPCODE(opline->op1.u.jmp_addr); return 0; /* CHECK_ME */ } int zend_jmpz_handler(ZEND_OPCODE_HANDLER_ARGS) { znode *op1 = &opline->op1; if (!i_zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) { #if DEBUG_ZEND>=2 printf("Conditional jmp to %d\n", opline->op2.u.opline_num); #endif SET_OPCODE(opline->op2.u.jmp_addr); FREE_OP(EX(Ts), op1, EG(free_op1)); return 0; /* CHECK_ME */ } FREE_OP(EX(Ts), op1, EG(free_op1)); NEXT_OPCODE(); } int zend_jmpnz_handler(ZEND_OPCODE_HANDLER_ARGS) { znode *op1 = &opline->op1; if (zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) { #if DEBUG_ZEND>=2 printf("Conditional jmp to %d\n", opline->op2.u.opline_num); #endif SET_OPCODE(opline->op2.u.jmp_addr); FREE_OP(EX(Ts), op1, EG(free_op1)); return 0; /* CHECK_ME */ } FREE_OP(EX(Ts), op1, EG(free_op1)); NEXT_OPCODE(); } int zend_jmpznz_handler(ZEND_OPCODE_HANDLER_ARGS) { znode *res = &opline->op1; if (zend_is_true(get_zval_ptr(res, EX(Ts), &EG(free_op1), BP_VAR_R))) { #if DEBUG_ZEND>=2 printf("Conditional jmp on true to %d\n", opline->extended_value); #endif SET_OPCODE(&op_array->opcodes[opline->extended_value]); } else { #if DEBUG_ZEND>=2 printf("Conditional jmp on false to %d\n", opline->op2.u.opline_num); #endif SET_OPCODE(&op_array->opcodes[opline->op2.u.opline_num]); } FREE_OP(EX(Ts), res, EG(free_op1)); return 0; /* CHECK_ME */ } int zend_jmpz_ex_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_op *original_opline = opline; int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R)); FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1)); EX_T(original_opline->result.u.var).tmp_var.value.lval = retval; EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL; if (!retval) { #if DEBUG_ZEND>=2 printf("Conditional jmp to %d\n", opline->op2.u.opline_num); #endif SET_OPCODE(opline->op2.u.jmp_addr); return 0; /* CHECK_ME */ } NEXT_OPCODE(); } int zend_jmpnz_ex_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_op *original_opline = opline; int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R)); FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1)); EX_T(original_opline->result.u.var).tmp_var.value.lval = retval; EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL; if (retval) { #if DEBUG_ZEND>=2 printf("Conditional jmp to %d\n", opline->op2.u.opline_num); #endif SET_OPCODE(opline->op2.u.jmp_addr); return 0; /* CHECK_ME */ } NEXT_OPCODE(); } int zend_free_handler(ZEND_OPCODE_HANDLER_ARGS) { zendi_zval_dtor(EX_T(opline->op1.u.var).tmp_var); NEXT_OPCODE(); } int zend_init_string_handler(ZEND_OPCODE_HANDLER_ARGS) { EX_T(opline->result.u.var).tmp_var.value.str.val = emalloc(1); EX_T(opline->result.u.var).tmp_var.value.str.val[0] = 0; EX_T(opline->result.u.var).tmp_var.value.str.len = 0; EX_T(opline->result.u.var).tmp_var.refcount = 1; EX_T(opline->result.u.var).tmp_var.type = IS_STRING; EX_T(opline->result.u.var).tmp_var.is_ref = 0; NEXT_OPCODE(); } int zend_add_char_handler(ZEND_OPCODE_HANDLER_ARGS) { add_char_to_string(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_NA), &opline->op2.u.constant); /* FREE_OP is missing intentionally here - we're always working on the same temporary variable */ NEXT_OPCODE(); } int zend_add_string_handler(ZEND_OPCODE_HANDLER_ARGS) { add_string_to_string(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_NA), &opline->op2.u.constant); /* FREE_OP is missing intentionally here - we're always working on the same temporary variable */ NEXT_OPCODE(); } int zend_add_var_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *var = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); zval var_copy; int use_copy; zend_make_printable_zval(var, &var_copy, &use_copy); if (use_copy) { var = &var_copy; } add_string_to_string( &EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_NA), var); if (use_copy) { zval_dtor(var); } /* original comment, possibly problematic: * FREE_OP is missing intentionally here - we're always working on the same temporary variable * (Zeev): I don't think it's problematic, we only use variables * which aren't affected by FREE_OP(Ts, )'s anyway, unless they're * string offsets or overloaded objects */ FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_fetch_class_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *class_name; if (opline->op2.op_type == IS_UNUSED) { EX_T(opline->result.u.var).class_entry = zend_fetch_class(NULL, ZEND_FETCH_CLASS_AUTO, opline->extended_value TSRMLS_CC); NEXT_OPCODE(); } class_name = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); switch (class_name->type) { case IS_OBJECT: EX_T(opline->result.u.var).class_entry = Z_OBJCE_P(class_name); break; case IS_STRING: EX_T(opline->result.u.var).class_entry = zend_fetch_class(Z_STRVAL_P(class_name), Z_STRLEN_P(class_name), ZEND_FETCH_CLASS_DEFAULT TSRMLS_CC); break; default: zend_error(E_ERROR, "Class name must be a valid object or a string"); break; } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_init_ctor_call_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope)); if (opline->op1.op_type == IS_VAR) { SELECTIVE_PZVAL_LOCK(*EX_T(opline->op1.u.var).var.ptr_ptr, &opline->op1); } /* We are not handling overloaded classes right now */ EX(object) = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); /* New always returns the object as is_ref=0, therefore, we can just increment the reference count */ EX(object)->refcount++; /* For $this pointer */ EX(fbc) = EX(fbc_constructor); if (EX(fbc)->type == ZEND_USER_FUNCTION) { /* HACK!! */ EX(calling_scope) = EX(fbc)->common.scope; } else { EX(calling_scope) = NULL; } NEXT_OPCODE(); } int zend_init_method_call_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *function_name; char *function_name_strval; int function_name_strlen; zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope)); function_name = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); if (Z_TYPE_P(function_name)!=IS_STRING) { zend_error(E_ERROR, "Method name must be a string"); } function_name_strval = function_name->value.str.val; function_name_strlen = function_name->value.str.len; EX(calling_scope) = EG(scope); EX(object) = get_obj_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R TSRMLS_CC); if (EX(object) && EX(object)->type == IS_OBJECT) { if (Z_OBJ_HT_P(EX(object))->get_method == NULL) { zend_error(E_ERROR, "Object does not support method calls"); } /* First, locate the function. */ EX(fbc) = Z_OBJ_HT_P(EX(object))->get_method(EX(object), function_name_strval, function_name_strlen TSRMLS_CC); if (!EX(fbc)) { zend_error(E_ERROR, "Call to undefined method %s::%s()", Z_OBJ_CLASS_NAME_P(EX(object)), function_name_strval); } } else { zend_error(E_ERROR, "Call to a member function %s() on a non-object", function_name_strval); } if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) { EX(object) = NULL; } else { if (!PZVAL_IS_REF(EX(object))) { EX(object)->refcount++; /* For $this pointer */ } else { zval *this_ptr; ALLOC_ZVAL(this_ptr); *this_ptr = *EX(object); INIT_PZVAL(this_ptr); zval_copy_ctor(this_ptr); EX(object) = this_ptr; } } if (EX(fbc)->type == ZEND_USER_FUNCTION) { EX(calling_scope) = EX(fbc)->common.scope; } else { EX(calling_scope) = NULL; } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_init_static_method_call_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *function_name; zend_class_entry *ce; zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope)); ce = EX_T(opline->op1.u.var).class_entry; if(opline->op2.op_type != IS_UNUSED) { char *function_name_strval; int function_name_strlen; zend_bool is_const = (opline->op2.op_type == IS_CONST); if (is_const) { function_name_strval = opline->op2.u.constant.value.str.val; function_name_strlen = opline->op2.u.constant.value.str.len; } else { function_name = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); if (Z_TYPE_P(function_name) != IS_STRING) { zend_error(E_ERROR, "Function name must be a string"); } function_name_strval = zend_str_tolower_dup(function_name->value.str.val, function_name->value.str.len); function_name_strlen = function_name->value.str.len; } EX(fbc) = zend_std_get_static_method(ce, function_name_strval, function_name_strlen TSRMLS_CC); if (!is_const) { efree(function_name_strval); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); } } else { if(!ce->constructor) { zend_error(E_ERROR, "Can not call constructor"); } EX(fbc) = ce->constructor; } EX(calling_scope) = EX(fbc)->common.scope; if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) { EX(object) = NULL; } else { if ((EX(object) = EG(This))) { EX(object)->refcount++; } } NEXT_OPCODE(); } int zend_init_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *function_name; zend_function *function; zend_bool is_const; char *function_name_strval, *lcname; int function_name_strlen; zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope)); is_const = (opline->op2.op_type == IS_CONST); if (is_const) { function_name_strval = opline->op2.u.constant.value.str.val; function_name_strlen = opline->op2.u.constant.value.str.len; } else { function_name = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); if (Z_TYPE_P(function_name) != IS_STRING) { zend_error(E_ERROR, "Function name must be a string"); } function_name_strval = function_name->value.str.val; function_name_strlen = function_name->value.str.len; } lcname = zend_str_tolower_dup(function_name_strval, function_name_strlen); if (zend_hash_find(EG(function_table), lcname, function_name_strlen+1, (void **) &function)==FAILURE) { efree(lcname); zend_error(E_ERROR, "Call to undefined function %s()", function_name_strval); } efree(lcname); if (!is_const) { FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); } EX(calling_scope) = function->common.scope; EX(object) = NULL; EX(fbc) = function; NEXT_OPCODE(); } int zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS) { zval **original_return_value; zend_class_entry *current_scope; zval *current_this; int return_value_used = RETURN_VALUE_USED(opline); zend_bool should_change_scope; if (EX(function_state).function->common.fn_flags & ZEND_ACC_ABSTRACT) { zend_error(E_ERROR, "Cannot call abstract method %s::%s()", EX(function_state).function->common.scope->name, EX(function_state).function->common.function_name); NEXT_OPCODE(); /* Never reached */ } zend_ptr_stack_n_push(&EG(argument_stack), 2, (void *) opline->extended_value, NULL); EX_T(opline->result.u.var).var.ptr_ptr = &EX_T(opline->result.u.var).var.ptr; if (EX(function_state).function->type == ZEND_USER_FUNCTION || EX(function_state).function->common.scope) { should_change_scope = 1; current_this = EG(This); EG(This) = EX(object); current_scope = EG(scope); EG(scope) = EX(calling_scope); } else { should_change_scope = 0; } EX_T(opline->result.u.var).var.fcall_returned_reference = 0; if (EX(function_state).function->common.scope) { if (!EG(This) && !(EX(function_state).function->common.fn_flags & ZEND_ACC_STATIC)) { int severity; char *severity_word; if (EX(function_state).function->common.fn_flags & ZEND_ACC_ALLOW_STATIC) { severity = E_STRICT; severity_word = "should not"; } else { severity = E_ERROR; severity_word = "cannot"; } zend_error(severity, "Non-static method %s::%s() %s be called statically", EX(function_state).function->common.scope->name, EX(function_state).function->common.function_name, severity_word); } } if (EX(function_state).function->type == ZEND_INTERNAL_FUNCTION) { ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); INIT_ZVAL(*(EX_T(opline->result.u.var).var.ptr)); if (EX(function_state).function->common.arg_info) { zend_uint i=0; zval **p; ulong arg_count; p = (zval **) EG(argument_stack).top_element-2; arg_count = (ulong) *p; while (arg_count>0) { zend_verify_arg_type(EX(function_state).function, ++i, *(p-arg_count) TSRMLS_CC); arg_count--; } } if (!zend_execute_internal) { /* saves one function call if zend_execute_internal is not used */ ((zend_internal_function *) EX(function_state).function)->handler(opline->extended_value, EX_T(opline->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC); } else { zend_execute_internal(execute_data, return_value_used TSRMLS_CC); } EG(current_execute_data) = execute_data; EX_T(opline->result.u.var).var.ptr->is_ref = 0; EX_T(opline->result.u.var).var.ptr->refcount = 1; if (!return_value_used) { zval_ptr_dtor(&EX_T(opline->result.u.var).var.ptr); } } else if (EX(function_state).function->type == ZEND_USER_FUNCTION) { HashTable *calling_symbol_table; EX_T(opline->result.u.var).var.ptr = NULL; if (EG(symtable_cache_ptr)>=EG(symtable_cache)) { /*printf("Cache hit! Reusing %x\n", symtable_cache[symtable_cache_ptr]);*/ EX(function_state).function_symbol_table = *(EG(symtable_cache_ptr)--); } else { ALLOC_HASHTABLE(EX(function_state).function_symbol_table); zend_hash_init(EX(function_state).function_symbol_table, 0, NULL, ZVAL_PTR_DTOR, 0); /*printf("Cache miss! Initialized %x\n", function_state.function_symbol_table);*/ } calling_symbol_table = EG(active_symbol_table); EG(active_symbol_table) = EX(function_state).function_symbol_table; original_return_value = EG(return_value_ptr_ptr); EG(return_value_ptr_ptr) = EX_T(opline->result.u.var).var.ptr_ptr; EG(active_op_array) = (zend_op_array *) EX(function_state).function; zend_execute(EG(active_op_array) TSRMLS_CC); EX_T(opline->result.u.var).var.fcall_returned_reference = EG(active_op_array)->return_reference; if (return_value_used && !EX_T(opline->result.u.var).var.ptr) { if (!EG(exception)) { ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); INIT_ZVAL(*EX_T(opline->result.u.var).var.ptr); } } else if (!return_value_used && EX_T(opline->result.u.var).var.ptr) { zval_ptr_dtor(&EX_T(opline->result.u.var).var.ptr); } EG(opline_ptr) = &EX(opline); EG(active_op_array) = op_array; EG(return_value_ptr_ptr)=original_return_value; if (EG(symtable_cache_ptr)>=EG(symtable_cache_limit)) { zend_hash_destroy(EX(function_state).function_symbol_table); FREE_HASHTABLE(EX(function_state).function_symbol_table); } else { /* clean before putting into the cache, since clean could call dtors, which could use cached hash */ zend_hash_clean(EX(function_state).function_symbol_table); *(++EG(symtable_cache_ptr)) = EX(function_state).function_symbol_table; } EG(active_symbol_table) = calling_symbol_table; } else { /* ZEND_OVERLOADED_FUNCTION */ ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); INIT_ZVAL(*(EX_T(opline->result.u.var).var.ptr)); /* Not sure what should be done here if it's a static method */ if (EX(object)) { Z_OBJ_HT_P(EX(object))->call_method(EX(fbc)->common.function_name, opline->extended_value, EX_T(opline->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC); } else { zend_error(E_ERROR, "Cannot call overloaded function for non-object"); } if (EX(function_state).function->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY) { efree(EX(function_state).function->common.function_name); } efree(EX(fbc)); if (!return_value_used) { zval_ptr_dtor(&EX_T(opline->result.u.var).var.ptr); } else { EX_T(opline->result.u.var).var.ptr->is_ref = 0; EX_T(opline->result.u.var).var.ptr->refcount = 1; } } if (EG(This)) { if (EG(exception) && EX(fbc) && EX(fbc)->common.fn_flags&ZEND_ACC_CTOR) { EG(This)->refcount--; if (EG(This)->refcount == 1) { zend_object_store_ctor_failed(EG(This) TSRMLS_CC); } zval_ptr_dtor(&EG(This)); } else if (should_change_scope) { zval_ptr_dtor(&EG(This)); } } if (should_change_scope) { EG(This) = current_this; EG(scope) = current_scope; } zend_ptr_stack_n_pop(&EG(arg_types_stack), 3, &EX(calling_scope), &EX(object), &EX(fbc)); EX(function_state).function = (zend_function *) op_array; EG(function_state_ptr) = &EX(function_state); zend_ptr_stack_clear_multiple(TSRMLS_C); if (EG(exception)) { zend_throw_exception_internal(NULL TSRMLS_CC); if (return_value_used && EX_T(opline->result.u.var).var.ptr) { zval_ptr_dtor(&EX_T(opline->result.u.var).var.ptr); } } NEXT_OPCODE(); } int zend_do_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS) { EX(function_state).function = EX(fbc); return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_do_fcall_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *fname = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope)); if (zend_hash_find(EG(function_table), fname->value.str.val, fname->value.str.len+1, (void **) &EX(function_state).function)==FAILURE) { zend_error(E_ERROR, "Unknown function: %s()\n", fname->value.str.val); } EX(object) = NULL; EX(calling_scope) = EX(function_state).function->common.scope; FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_return_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *retval_ptr; zval **retval_ptr_ptr; if (EG(active_op_array)->return_reference == ZEND_RETURN_REF) { if (opline->op1.op_type == IS_CONST || opline->op1.op_type == IS_TMP_VAR) { /* Not supposed to happen, but we'll allow it */ zend_error(E_STRICT, "Only variable references should be returned by reference"); goto return_by_value; } retval_ptr_ptr = get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W); if (!retval_ptr_ptr) { zend_error(E_ERROR, "Cannot return string offsets by reference"); } if (!(*retval_ptr_ptr)->is_ref) { if (EX_T(opline->op1.u.var).var.ptr_ptr == &EX_T(opline->op1.u.var).var.ptr || (opline->extended_value == ZEND_RETURNS_FUNCTION && !EX_T(opline->op1.u.var).var.fcall_returned_reference)) { zend_error(E_STRICT, "Only variable references should be returned by reference"); PZVAL_LOCK(*retval_ptr_ptr); /* undo the effect of get_zval_ptr_ptr() */ goto return_by_value; } } SEPARATE_ZVAL_TO_MAKE_IS_REF(retval_ptr_ptr); (*retval_ptr_ptr)->refcount++; (*EG(return_value_ptr_ptr)) = (*retval_ptr_ptr); } else { return_by_value: retval_ptr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (EG(ze1_compatibility_mode) && Z_TYPE_P(retval_ptr) == IS_OBJECT) { ALLOC_ZVAL(*(EG(return_value_ptr_ptr))); **EG(return_value_ptr_ptr) = *retval_ptr; INIT_PZVAL(*EG(return_value_ptr_ptr)); if (Z_OBJ_HT_P(retval_ptr)->clone_obj == NULL) { zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(retval_ptr)->name); } zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(retval_ptr)->name); (*EG(return_value_ptr_ptr))->value.obj = Z_OBJ_HT_P(retval_ptr)->clone_obj(retval_ptr TSRMLS_CC); } else if (!EG(free_op1)) { /* Not a temp var */ if (PZVAL_IS_REF(retval_ptr) && retval_ptr->refcount > 0) { ALLOC_ZVAL(*(EG(return_value_ptr_ptr))); **EG(return_value_ptr_ptr) = *retval_ptr; (*EG(return_value_ptr_ptr))->is_ref = 0; (*EG(return_value_ptr_ptr))->refcount = 1; zval_copy_ctor(*EG(return_value_ptr_ptr)); } else { *EG(return_value_ptr_ptr) = retval_ptr; retval_ptr->refcount++; } } else { ALLOC_ZVAL(*(EG(return_value_ptr_ptr))); **EG(return_value_ptr_ptr) = *retval_ptr; (*EG(return_value_ptr_ptr))->refcount = 1; (*EG(return_value_ptr_ptr))->is_ref = 0; } } RETURN_FROM_EXECUTE_LOOP(execute_data); } int zend_throw_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *value; zval *exception; value = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (value->type != IS_OBJECT) { zend_error(E_ERROR, "Can only throw objects"); } /* Not sure if a complete copy is what we want here */ MAKE_STD_ZVAL(exception); *exception = *value; if (!EG(free_op1)) { zval_copy_ctor(exception); } INIT_PZVAL(exception); zend_throw_exception_object(exception TSRMLS_CC); NEXT_OPCODE(); } int zend_catch_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_class_entry *ce; /* Check whether an exception has been thrown, if not, jump over code */ if (EG(exception) == NULL) { SET_OPCODE(&op_array->opcodes[opline->extended_value]); return 0; /* CHECK_ME */ } ce = Z_OBJCE_P(EG(exception)); if (ce != EX_T(opline->op1.u.var).class_entry) { if (!instanceof_function(ce, EX_T(opline->op1.u.var).class_entry TSRMLS_CC)) { if (opline->op1.u.EA.type) { zend_throw_exception_internal(NULL TSRMLS_CC); NEXT_OPCODE(); } SET_OPCODE(&op_array->opcodes[opline->extended_value]); return 0; /* CHECK_ME */ } } zend_hash_update(EG(active_symbol_table), opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, &EG(exception), sizeof(zval *), (void **) NULL); EG(exception) = NULL; NEXT_OPCODE(); } int zend_send_val_handler(ZEND_OPCODE_HANDLER_ARGS) { if (opline->extended_value==ZEND_DO_FCALL_BY_NAME && ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->op2.u.opline_num)) { zend_error(E_ERROR, "Cannot pass parameter %d by reference", opline->op2.u.opline_num); } { zval *valptr; zval *value; value = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); ALLOC_ZVAL(valptr); *valptr = *value; if (!EG(free_op1)) { zval_copy_ctor(valptr); } INIT_PZVAL(valptr); zend_ptr_stack_push(&EG(argument_stack), valptr); } NEXT_OPCODE(); } static inline int zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS) { zval *varptr; varptr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (varptr == &EG(uninitialized_zval)) { ALLOC_ZVAL(varptr); INIT_ZVAL(*varptr); varptr->refcount = 0; } else if (PZVAL_IS_REF(varptr)) { zval *original_var = varptr; ALLOC_ZVAL(varptr); *varptr = *original_var; varptr->is_ref = 0; varptr->refcount = 0; zval_copy_ctor(varptr); } varptr->refcount++; zend_ptr_stack_push(&EG(argument_stack), varptr); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); /* for string offsets */ NEXT_OPCODE(); } int zend_send_var_no_ref_handler(ZEND_OPCODE_HANDLER_ARGS) { if (opline->extended_value & ZEND_ARG_COMPILE_TIME_BOUND) { /* Had function_ptr at compile_time */ if (!(opline->extended_value & ZEND_ARG_SEND_BY_REF)) { return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } } else if (!ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->op2.u.opline_num)) { return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } { zval *varptr; varptr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (varptr != &EG(uninitialized_zval) && (PZVAL_IS_REF(varptr) || varptr->refcount == 1)) { varptr->is_ref = 1; varptr->refcount++; zend_ptr_stack_push(&EG(argument_stack), varptr); NEXT_OPCODE(); } zend_error(E_ERROR, "Only variables can be passed by reference"); } NEXT_OPCODE(); } int zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS) { zval **varptr_ptr; zval *varptr; varptr_ptr = get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_W); if (!varptr_ptr) { zend_error(E_ERROR, "Only variables can be passed by reference"); } SEPARATE_ZVAL_TO_MAKE_IS_REF(varptr_ptr); varptr = *varptr_ptr; varptr->refcount++; zend_ptr_stack_push(&EG(argument_stack), varptr); NEXT_OPCODE(); } int zend_send_var_handler(ZEND_OPCODE_HANDLER_ARGS) { if ((opline->extended_value == ZEND_DO_FCALL_BY_NAME) && ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), opline->op2.u.opline_num)) { return zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_recv_handler(ZEND_OPCODE_HANDLER_ARGS) { zval **param; zend_uint arg_num = opline->op1.u.constant.value.lval; if (zend_ptr_stack_get_arg(arg_num, (void **) ¶m TSRMLS_CC)==FAILURE) { char *space; char *class_name = get_active_class_name(&space TSRMLS_CC); zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, NULL TSRMLS_CC); zend_error(E_WARNING, "Missing argument %ld for %s%s%s()", opline->op1.u.constant.value.lval, class_name, space, get_active_function_name(TSRMLS_C)); if (opline->result.op_type == IS_VAR) { PZVAL_UNLOCK(*EX_T(opline->result.u.var).var.ptr_ptr); } } else { zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, *param TSRMLS_CC); if (PZVAL_IS_REF(*param)) { zend_assign_to_variable_reference(NULL, get_zval_ptr_ptr(&opline->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC); } else { zend_assign_to_variable(NULL, &opline->result, NULL, *param, IS_VAR, EX(Ts) TSRMLS_CC); } } NEXT_OPCODE(); } int zend_recv_init_handler(ZEND_OPCODE_HANDLER_ARGS) { zval **param, *assignment_value; zend_uint arg_num = opline->op1.u.constant.value.lval; if (zend_ptr_stack_get_arg(arg_num, (void **) ¶m TSRMLS_CC)==FAILURE) { if (opline->op2.u.constant.type == IS_CONSTANT || opline->op2.u.constant.type==IS_CONSTANT_ARRAY) { zval *default_value; ALLOC_ZVAL(default_value); *default_value = opline->op2.u.constant; if (opline->op2.u.constant.type==IS_CONSTANT_ARRAY) { zval_copy_ctor(default_value); } default_value->refcount=1; zval_update_constant(&default_value, 0 TSRMLS_CC); default_value->refcount=0; default_value->is_ref=0; param = &default_value; assignment_value = default_value; } else { param = NULL; assignment_value = &opline->op2.u.constant; } zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, assignment_value TSRMLS_CC); zend_assign_to_variable(NULL, &opline->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC); } else { assignment_value = *param; zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, assignment_value TSRMLS_CC); if (PZVAL_IS_REF(assignment_value)) { zend_assign_to_variable_reference(NULL, get_zval_ptr_ptr(&opline->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC); } else { zend_assign_to_variable(NULL, &opline->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC); } } NEXT_OPCODE(); } int zend_bool_handler(ZEND_OPCODE_HANDLER_ARGS) { /* PHP 3.0 returned "" for false and 1 for true, here we use 0 and 1 for now */ EX_T(opline->result.u.var).tmp_var.value.lval = zend_is_true(get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R)); EX_T(opline->result.u.var).tmp_var.type = IS_BOOL; FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } static inline int zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS) { zval *nest_levels_zval = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); zval tmp; int array_offset, nest_levels, original_nest_levels; zend_brk_cont_element *jmp_to; if (nest_levels_zval->type != IS_LONG) { tmp = *nest_levels_zval; zval_copy_ctor(&tmp); convert_to_long(&tmp); nest_levels = tmp.value.lval; } else { nest_levels = nest_levels_zval->value.lval; } original_nest_levels = nest_levels; array_offset = opline->op1.u.opline_num; do { if (array_offset==-1) { zend_error(E_ERROR, "Cannot break/continue %d level%s", original_nest_levels, (original_nest_levels == 1) ? "" : "s"); } jmp_to = &op_array->brk_cont_array[array_offset]; if (nest_levels>1) { zend_op *brk_opline = &op_array->opcodes[jmp_to->brk]; switch (brk_opline->opcode) { case ZEND_SWITCH_FREE: zend_switch_free(brk_opline, EX(Ts) TSRMLS_CC); break; case ZEND_FREE: zendi_zval_dtor(EX_T(brk_opline->op1.u.var).tmp_var); break; } } array_offset = jmp_to->parent; } while (--nest_levels > 0); if (opline->opcode == ZEND_BRK) { SET_OPCODE(op_array->opcodes+jmp_to->brk); } else { SET_OPCODE(op_array->opcodes+jmp_to->cont); } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); return 0; /* CHECK_ME */ } int zend_brk_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_cont_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_case_handler(ZEND_OPCODE_HANDLER_ARGS) { int switch_expr_is_overloaded=0; if (opline->op1.op_type==IS_VAR) { if (EX_T(opline->op1.u.var).var.ptr_ptr) { PZVAL_LOCK(EX_T(opline->op1.u.var).var.ptr); } else { switch_expr_is_overloaded = 1; EX_T(opline->op1.u.var).str_offset.str->refcount++; } } is_equal_function(&EX_T(opline->result.u.var).tmp_var, get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R), get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC); FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); if (switch_expr_is_overloaded) { /* We only free op1 if this is a string offset, * Since if it is a TMP_VAR, it'll be reused by * other CASE opcodes (whereas string offsets * are allocated at each get_zval_ptr()) */ FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); EX_T(opline->op1.u.var).var.ptr_ptr = NULL; AI_USE_PTR(EX_T(opline->op1.u.var).var); } NEXT_OPCODE(); } int zend_switch_free_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_switch_free(opline, EX(Ts) TSRMLS_CC); NEXT_OPCODE(); } int zend_new_handler(ZEND_OPCODE_HANDLER_ARGS) { if (EX_T(opline->op1.u.var).class_entry->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) { char *class_type; if (EX_T(opline->op1.u.var).class_entry->ce_flags & ZEND_ACC_INTERFACE) { class_type = "interface"; } else { class_type = "abstract class"; } zend_error(E_ERROR, "Cannot instantiate %s %s", class_type, EX_T(opline->op1.u.var).class_entry->name); } EX_T(opline->result.u.var).var.ptr_ptr = &EX_T(opline->result.u.var).var.ptr; ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); object_init_ex(EX_T(opline->result.u.var).var.ptr, EX_T(opline->op1.u.var).class_entry); EX_T(opline->result.u.var).var.ptr->refcount=1; EX_T(opline->result.u.var).var.ptr->is_ref=0; NEXT_OPCODE(); } int zend_clone_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *obj = get_obj_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R TSRMLS_CC); zend_class_entry *ce; zend_function *clone; zend_object_clone_obj_t clone_call; if (!obj || Z_TYPE_P(obj) != IS_OBJECT) { zend_error(E_WARNING, "__clone method called on non-object"); EX_T(opline->result.u.var).var.ptr = EG(error_zval_ptr); EX_T(opline->result.u.var).var.ptr->refcount++; NEXT_OPCODE(); } ce = Z_OBJCE_P(obj); clone = ce ? ce->clone : NULL; clone_call = Z_OBJ_HT_P(obj)->clone_obj; if (!clone_call) { zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", ce->name); EX_T(opline->result.u.var).var.ptr = EG(error_zval_ptr); EX_T(opline->result.u.var).var.ptr->refcount++; } if (ce && clone) { if (clone->op_array.fn_flags & ZEND_ACC_PRIVATE) { /* Ensure that if we're calling a private function, we're allowed to do so. */ if (ce != EG(scope)) { zend_error(E_ERROR, "Call to private %s::__clone() from context '%s'", ce->name, EG(scope) ? EG(scope)->name : ""); } } else if ((clone->common.fn_flags & ZEND_ACC_PROTECTED)) { /* Ensure that if we're calling a protected function, we're allowed to do so. */ if (!zend_check_protected(clone->common.scope, EG(scope))) { zend_error(E_ERROR, "Call to protected %s::__clone() from context '%s'", ce->name, EG(scope) ? EG(scope)->name : ""); } } } EX_T(opline->result.u.var).var.ptr_ptr = &EX_T(opline->result.u.var).var.ptr; ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); EX_T(opline->result.u.var).var.ptr->value.obj = clone_call(obj TSRMLS_CC); if (EG(exception)) { FREE_ZVAL(EX_T(opline->result.u.var).var.ptr); } else { EX_T(opline->result.u.var).var.ptr->type = IS_OBJECT; EX_T(opline->result.u.var).var.ptr->refcount=1; EX_T(opline->result.u.var).var.ptr->is_ref=1; } NEXT_OPCODE(); } int zend_fetch_constant_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_class_entry *ce = NULL; zval **value; if (opline->op1.op_type == IS_UNUSED) { /* This seems to be a reminant of namespaces if (EG(scope)) { ce = EG(scope); if (zend_hash_find(&ce->constants_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) { zval_update_constant(value, (void *) 1 TSRMLS_CC); EX_T(opline->result.u.var).tmp_var = **value; zval_copy_ctor(&EX_T(opline->result.u.var).tmp_var); NEXT_OPCODE(); } } */ if (!zend_get_constant(opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len, &EX_T(opline->result.u.var).tmp_var TSRMLS_CC)) { zend_error(E_NOTICE, "Use of undefined constant %s - assumed '%s'", opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.val); EX_T(opline->result.u.var).tmp_var = opline->op2.u.constant; zval_copy_ctor(&EX_T(opline->result.u.var).tmp_var); } NEXT_OPCODE(); } ce = EX_T(opline->op1.u.var).class_entry; if (zend_hash_find(&ce->constants_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) { zval_update_constant(value, (void *) 1 TSRMLS_CC); EX_T(opline->result.u.var).tmp_var = **value; zval_copy_ctor(&EX_T(opline->result.u.var).tmp_var); } else { zend_error(E_ERROR, "Undefined class constant '%s'", opline->op2.u.constant.value.str.val); } NEXT_OPCODE(); } static inline int zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS) { zval *array_ptr = &EX_T(opline->result.u.var).tmp_var; zval *expr_ptr, **expr_ptr_ptr = NULL; zval *offset=get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); if (opline->extended_value) { expr_ptr_ptr=get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_R); expr_ptr = *expr_ptr_ptr; } else { expr_ptr=get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); } if (opline->opcode == ZEND_INIT_ARRAY) { array_init(array_ptr); if (!expr_ptr) { NEXT_OPCODE(); } } if (!opline->extended_value && EG(free_op1)) { /* temporary variable */ zval *new_expr; ALLOC_ZVAL(new_expr); *new_expr = *expr_ptr; expr_ptr = new_expr; INIT_PZVAL(expr_ptr); } else { if (opline->extended_value) { SEPARATE_ZVAL_TO_MAKE_IS_REF(expr_ptr_ptr); expr_ptr = *expr_ptr_ptr; expr_ptr->refcount++; } else if (PZVAL_IS_REF(expr_ptr)) { zval *new_expr; ALLOC_ZVAL(new_expr); *new_expr = *expr_ptr; expr_ptr = new_expr; zendi_zval_copy_ctor(*expr_ptr); INIT_PZVAL(expr_ptr); } else { expr_ptr->refcount++; } } if (offset) { switch (offset->type) { case IS_DOUBLE: zend_hash_index_update(array_ptr->value.ht, (long) offset->value.dval, &expr_ptr, sizeof(zval *), NULL); break; case IS_LONG: case IS_BOOL: zend_hash_index_update(array_ptr->value.ht, offset->value.lval, &expr_ptr, sizeof(zval *), NULL); break; case IS_STRING: zend_symtable_update(array_ptr->value.ht, offset->value.str.val, offset->value.str.len+1, &expr_ptr, sizeof(zval *), NULL); break; case IS_NULL: zend_hash_update(array_ptr->value.ht, "", sizeof(""), &expr_ptr, sizeof(zval *), NULL); break; default: zend_error(E_WARNING, "Illegal offset type"); zval_ptr_dtor(&expr_ptr); /* do nothing */ break; } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); } else { zend_hash_next_index_insert(array_ptr->value.ht, &expr_ptr, sizeof(zval *), NULL); } NEXT_OPCODE(); } int zend_init_array_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_add_array_element_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_cast_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *expr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zval *result = &EX_T(opline->result.u.var).tmp_var; *result = *expr; if (!EG(free_op1)) { zendi_zval_copy_ctor(*result); } switch (opline->extended_value) { case IS_NULL: convert_to_null(result); break; case IS_BOOL: convert_to_boolean(result); break; case IS_LONG: convert_to_long(result); break; case IS_DOUBLE: convert_to_double(result); break; case IS_STRING: { zval var_copy; int use_copy; zend_make_printable_zval(result, &var_copy, &use_copy); if (use_copy) { zval_dtor(result); *result = var_copy; } break; } case IS_ARRAY: convert_to_array(result); break; case IS_OBJECT: convert_to_object(result); break; } NEXT_OPCODE(); } int zend_include_or_eval_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_op_array *new_op_array=NULL; zval **original_return_value = EG(return_value_ptr_ptr); int return_value_used; zval *inc_filename = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zval tmp_inc_filename; zend_bool failure_retval=0; if (inc_filename->type!=IS_STRING) { tmp_inc_filename = *inc_filename; zval_copy_ctor(&tmp_inc_filename); convert_to_string(&tmp_inc_filename); inc_filename = &tmp_inc_filename; } return_value_used = RETURN_VALUE_USED(opline); switch (opline->op2.u.constant.value.lval) { case ZEND_INCLUDE_ONCE: case ZEND_REQUIRE_ONCE: { int dummy = 1; zend_file_handle file_handle; if (SUCCESS == zend_stream_open(inc_filename->value.str.val, &file_handle TSRMLS_CC)) { if (!file_handle.opened_path) { file_handle.opened_path = estrndup(inc_filename->value.str.val, inc_filename->value.str.len); } if (zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL)==SUCCESS) { new_op_array = zend_compile_file(&file_handle, (opline->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE?ZEND_INCLUDE:ZEND_REQUIRE) TSRMLS_CC); zend_destroy_file_handle(&file_handle TSRMLS_CC); } else { zend_file_handle_dtor(&file_handle); failure_retval=1; } } else { if (opline->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE) { zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, inc_filename->value.str.val); } else { zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, inc_filename->value.str.val); } } break; } break; case ZEND_INCLUDE: case ZEND_REQUIRE: new_op_array = compile_filename(opline->op2.u.constant.value.lval, inc_filename TSRMLS_CC); break; case ZEND_EVAL: { char *eval_desc = zend_make_compiled_string_description("eval()'d code" TSRMLS_CC); new_op_array = compile_string(inc_filename, eval_desc TSRMLS_CC); efree(eval_desc); } break; EMPTY_SWITCH_DEFAULT_CASE() } if (inc_filename==&tmp_inc_filename) { zval_dtor(&tmp_inc_filename); } FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); EX_T(opline->result.u.var).var.ptr_ptr = &EX_T(opline->result.u.var).var.ptr; if (new_op_array) { zval *saved_object; zend_function *saved_function; EG(return_value_ptr_ptr) = EX_T(opline->result.u.var).var.ptr_ptr; EG(active_op_array) = new_op_array; EX_T(opline->result.u.var).var.ptr = NULL; saved_object = EX(object); saved_function = EX(function_state).function; EX(function_state).function = (zend_function *) new_op_array; EX(object) = NULL; zend_execute(new_op_array TSRMLS_CC); EX(function_state).function = saved_function; EX(object) = saved_object; if (!return_value_used) { if (EX_T(opline->result.u.var).var.ptr) { zval_ptr_dtor(&EX_T(opline->result.u.var).var.ptr); } } else { /* return value is used */ if (!EX_T(opline->result.u.var).var.ptr) { /* there was no return statement */ ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); INIT_PZVAL(EX_T(opline->result.u.var).var.ptr); EX_T(opline->result.u.var).var.ptr->value.lval = 1; EX_T(opline->result.u.var).var.ptr->type = IS_BOOL; } } EG(opline_ptr) = &EX(opline); EG(active_op_array) = op_array; EG(function_state_ptr) = &EX(function_state); destroy_op_array(new_op_array TSRMLS_CC); efree(new_op_array); if (EG(exception)) { zend_throw_exception_internal(NULL TSRMLS_CC); } } else { if (return_value_used) { ALLOC_ZVAL(EX_T(opline->result.u.var).var.ptr); INIT_ZVAL(*EX_T(opline->result.u.var).var.ptr); EX_T(opline->result.u.var).var.ptr->value.lval = failure_retval; EX_T(opline->result.u.var).var.ptr->type = IS_BOOL; } } EG(return_value_ptr_ptr) = original_return_value; NEXT_OPCODE(); } int zend_unset_var_handler(ZEND_OPCODE_HANDLER_ARGS) { zval tmp, *varname; HashTable *target_symbol_table; varname = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (varname->type != IS_STRING) { tmp = *varname; zval_copy_ctor(&tmp); convert_to_string(&tmp); varname = &tmp; } if (opline->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) { zend_std_unset_static_property(EX_T(opline->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname) TSRMLS_CC); } else { target_symbol_table = zend_get_target_symbol_table(opline, EX(Ts), BP_VAR_IS, varname TSRMLS_CC); zend_hash_del(target_symbol_table, varname->value.str.val, varname->value.str.len+1); } if (varname == &tmp) { zval_dtor(&tmp); } FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } int zend_unset_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { zval **container = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_R TSRMLS_CC); zval *offset = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); long index; if (container) { HashTable *ht; if (opline->extended_value == ZEND_UNSET_DIM) { switch (Z_TYPE_PP(container)) { case IS_ARRAY: ht = Z_ARRVAL_PP(container); break; case IS_OBJECT: ht = NULL; if (!Z_OBJ_HT_P(*container)->unset_dimension) { zend_error(E_ERROR, "Cannot use object as array"); } Z_OBJ_HT_P(*container)->unset_dimension(*container, offset TSRMLS_CC); break; case IS_STRING: zend_error(E_ERROR, "Cannot unset string offsets"); return 0; /* bailed out before */ default: ht = NULL; break; } } else { /* ZEND_UNSET_OBJ */ ht = NULL; if (Z_TYPE_PP(container) == IS_OBJECT) { Z_OBJ_HT_P(*container)->unset_property(*container, offset TSRMLS_CC); } } if (ht) { switch (offset->type) { case IS_DOUBLE: case IS_RESOURCE: case IS_BOOL: case IS_LONG: if (offset->type == IS_DOUBLE) { index = (long) offset->value.dval; } else { index = offset->value.lval; } zend_hash_index_del(ht, index); break; case IS_STRING: zend_symtable_del(ht, offset->value.str.val, offset->value.str.len+1); break; case IS_NULL: zend_hash_del(ht, "", sizeof("")); break; default: zend_error(E_WARNING, "Illegal offset type in unset"); break; } } } else { /* overloaded element */ } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_fe_reset_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *array_ptr, **array_ptr_ptr; HashTable *fe_ht; zend_object_iterator *iter = NULL; zend_class_entry *ce = NULL; if (opline->extended_value) { array_ptr_ptr = get_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_R); if (array_ptr_ptr == NULL) { ALLOC_INIT_ZVAL(array_ptr); } else if (Z_TYPE_PP(array_ptr_ptr) == IS_OBJECT) { ce = Z_OBJCE_PP(array_ptr_ptr); if (!ce || ce->get_iterator == NULL) { SEPARATE_ZVAL_IF_NOT_REF(array_ptr_ptr); (*array_ptr_ptr)->refcount++; } array_ptr = *array_ptr_ptr; } else { SEPARATE_ZVAL_IF_NOT_REF(array_ptr_ptr); array_ptr = *array_ptr_ptr; array_ptr->refcount++; } } else { array_ptr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (EG(free_op1)) { /* IS_TMP_VAR */ zval *tmp; ALLOC_ZVAL(tmp); *tmp = *array_ptr; INIT_PZVAL(tmp); array_ptr = tmp; } else if (Z_TYPE_P(array_ptr) == IS_OBJECT) { ce = Z_OBJCE_P(array_ptr); } else { array_ptr->refcount++; } } if (ce && ce->get_iterator) { iter = ce->get_iterator(ce, array_ptr TSRMLS_CC); if (iter && !EG(exception)) { array_ptr = zend_iterator_wrap(iter TSRMLS_CC); } else { zval_ptr_dtor(&array_ptr); FREE_OP(Ts, op1, EG(free_op1)); if (!EG(exception)) { zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "Object of type %s did not create an Iterator", ce->name); } zend_throw_exception_internal(NULL TSRMLS_CC); NEXT_OPCODE(); return 0; } } PZVAL_LOCK(array_ptr); EX_T(opline->result.u.var).var.ptr = array_ptr; EX_T(opline->result.u.var).var.ptr_ptr = &EX_T(opline->result.u.var).var.ptr; if (iter) { iter->index = 0; if (iter->funcs->rewind) { iter->funcs->rewind(iter TSRMLS_CC); } } else if ((fe_ht = HASH_OF(array_ptr)) != NULL) { /* probably redundant */ zend_hash_internal_pointer_reset(fe_ht); } else { zend_error(E_WARNING, "Invalid argument supplied for foreach()"); opline++; SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; } NEXT_OPCODE(); } int zend_fe_fetch_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *array = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zval *result = &EX_T(opline->result.u.var).tmp_var; zval **value, *key; char *str_key; uint str_key_len; ulong int_key; HashTable *fe_ht; zend_object_iterator *iter = NULL; int key_type; PZVAL_LOCK(array); switch (zend_iterator_unwrap(array, &iter TSRMLS_CC)) { default: case ZEND_ITER_INVALID: zend_error(E_WARNING, "Invalid argument supplied for foreach()"); SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; /* CHECK_ME */ case ZEND_ITER_PLAIN_OBJECT: { char *class_name, *prop_name; zend_object *zobj = zend_objects_get_address(array TSRMLS_CC); fe_ht = HASH_OF(array); do { if (zend_hash_get_current_data(fe_ht, (void **) &value)==FAILURE) { /* reached end of iteration */ SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; /* CHECK_ME */ } key_type = zend_hash_get_current_key_ex(fe_ht, &str_key, &str_key_len, &int_key, 0, NULL); zend_hash_move_forward(fe_ht); } while (key_type != HASH_KEY_IS_STRING || zend_check_property_access(zobj, str_key TSRMLS_CC) != SUCCESS); zend_unmangle_property_name(str_key, &class_name, &prop_name); str_key_len = strlen(prop_name); str_key = estrndup(prop_name, str_key_len); str_key_len++; break; } case ZEND_ITER_PLAIN_ARRAY: fe_ht = HASH_OF(array); if (zend_hash_get_current_data(fe_ht, (void **) &value)==FAILURE) { /* reached end of iteration */ SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; /* CHECK_ME */ } key_type = zend_hash_get_current_key_ex(fe_ht, &str_key, &str_key_len, &int_key, 1, NULL); zend_hash_move_forward(fe_ht); break; case ZEND_ITER_OBJECT: /* !iter happens from exception */ if (iter && iter->index++) { /* This could cause an endless loop if index becomes zero again. * In case that ever happens we need an additional flag. */ iter->funcs->move_forward(iter TSRMLS_CC); } if (!iter || iter->funcs->valid(iter TSRMLS_CC) == FAILURE) { /* reached end of iteration */ SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; /* CHECK_ME */ } iter->funcs->get_current_data(iter, &value TSRMLS_CC); if (!value) { /* failure in get_current_data */ SET_OPCODE(op_array->opcodes+opline->op2.u.opline_num); return 0; /* CHECK_ME */ } if (iter->funcs->get_current_key) { key_type = iter->funcs->get_current_key(iter, &str_key, &str_key_len, &int_key TSRMLS_CC); } else { key_type = HASH_KEY_IS_LONG; int_key = iter->index; } break; } array_init(result); if (opline->extended_value) { SEPARATE_ZVAL_IF_NOT_REF(value); (*value)->is_ref = 1; } (*value)->refcount++; zend_hash_index_update(result->value.ht, 0, value, sizeof(zval *), NULL); ALLOC_ZVAL(key); INIT_PZVAL(key); switch (key_type) { case HASH_KEY_IS_STRING: key->value.str.val = str_key; key->value.str.len = str_key_len-1; key->type = IS_STRING; break; case HASH_KEY_IS_LONG: key->value.lval = int_key; key->type = IS_LONG; break; EMPTY_SWITCH_DEFAULT_CASE() } zend_hash_index_update(result->value.ht, 1, &key, sizeof(zval *), NULL); NEXT_OPCODE(); } int zend_jmp_no_ctor_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *object_zval; zend_function *constructor; if (opline->op1.op_type == IS_VAR) { PZVAL_LOCK(*EX_T(opline->op1.u.var).var.ptr_ptr); } object_zval = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); constructor = Z_OBJ_HT_P(object_zval)->get_constructor(object_zval TSRMLS_CC); EX(fbc_constructor) = NULL; if (constructor == NULL) { if(opline->op1.u.EA.type & EXT_TYPE_UNUSED) { zval_ptr_dtor(EX_T(opline->op1.u.var).var.ptr_ptr); } SET_OPCODE(op_array->opcodes + opline->op2.u.opline_num); return 0; /* CHECK_ME */ } else { EX(fbc_constructor) = constructor; } NEXT_OPCODE(); } int zend_isset_isempty_var_handler(ZEND_OPCODE_HANDLER_ARGS) { zval tmp, *varname = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zval **value; zend_bool isset = 1; HashTable *target_symbol_table; if (varname->type != IS_STRING) { tmp = *varname; zval_copy_ctor(&tmp); convert_to_string(&tmp); varname = &tmp; } if (opline->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) { value = zend_std_get_static_property(EX_T(opline->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 1 TSRMLS_CC); if (!value) { isset = 0; } } else { target_symbol_table = zend_get_target_symbol_table(opline, EX(Ts), BP_VAR_IS, varname TSRMLS_CC); if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &value) == FAILURE) { isset = 0; } } EX_T(opline->result.u.var).tmp_var.type = IS_BOOL; switch (opline->extended_value) { case ZEND_ISSET: if (isset && Z_TYPE_PP(value) == IS_NULL) { EX_T(opline->result.u.var).tmp_var.value.lval = 0; } else { EX_T(opline->result.u.var).tmp_var.value.lval = isset; } break; case ZEND_ISEMPTY: if (!isset || !zend_is_true(*value)) { EX_T(opline->result.u.var).tmp_var.value.lval = 1; } else { EX_T(opline->result.u.var).tmp_var.value.lval = 0; } break; } if (varname == &tmp) { zval_dtor(&tmp); } FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } static int zend_isset_isempty_dim_prop_obj_handler(int prop_dim, ZEND_OPCODE_HANDLER_ARGS) { zval **container = get_obj_zval_ptr_ptr(&opline->op1, EX(Ts), BP_VAR_R TSRMLS_CC); zval *offset = get_zval_ptr(&opline->op2, EX(Ts), &EG(free_op2), BP_VAR_R); zval **value = NULL; int result = 0; long index; if (container) { if ((*container)->type == IS_ARRAY) { HashTable *ht; int isset = 0; ht = (*container)->value.ht; switch (offset->type) { case IS_DOUBLE: case IS_RESOURCE: case IS_BOOL: case IS_LONG: if (offset->type == IS_DOUBLE) { index = (long) offset->value.dval; } else { index = offset->value.lval; } if (zend_hash_index_find(ht, index, (void **) &value) == SUCCESS) { isset = 1; } break; case IS_STRING: if (zend_symtable_find(ht, offset->value.str.val, offset->value.str.len+1, (void **) &value) == SUCCESS) { isset = 1; } break; case IS_NULL: if (zend_hash_find(ht, "", sizeof(""), (void **) &value) == SUCCESS) { isset = 1; } break; default: zend_error(E_WARNING, "Illegal offset type in unset"); break; } switch (opline->extended_value) { case ZEND_ISSET: if (isset && Z_TYPE_PP(value) == IS_NULL) { result = 0; } else { result = isset; } break; case ZEND_ISEMPTY: if (!isset || !zend_is_true(*value)) { result = 0; } else { result = 1; } break; } } else if ((*container)->type == IS_OBJECT) { if (prop_dim) { result = Z_OBJ_HT_P(*container)->has_property(*container, offset, (opline->extended_value == ZEND_ISEMPTY) TSRMLS_CC); } else { result = Z_OBJ_HT_P(*container)->has_dimension(*container, offset, (opline->extended_value == ZEND_ISEMPTY) TSRMLS_CC); } } else if ((*container)->type == IS_STRING && !prop_dim) { /* string offsets */ zval tmp; if (offset->type != IS_LONG) { tmp = *offset; zval_copy_ctor(&tmp); convert_to_long(&tmp); offset = &tmp; } switch (opline->extended_value) { case ZEND_ISSET: if (offset->value.lval >= 0 && offset->value.lval < Z_STRLEN_PP(container)) { result = 1; } break; case ZEND_ISEMPTY: if (offset->value.lval >= 0 && offset->value.lval < Z_STRLEN_PP(container) && Z_STRVAL_PP(container)[offset->value.lval] != '0') { result = 1; } break; } } } EX_T(opline->result.u.var).tmp_var.type = IS_BOOL; switch (opline->extended_value) { case ZEND_ISSET: EX_T(opline->result.u.var).tmp_var.value.lval = result; break; case ZEND_ISEMPTY: EX_T(opline->result.u.var).tmp_var.value.lval = !result; break; } FREE_OP(EX(Ts), &opline->op2, EG(free_op2)); NEXT_OPCODE(); } int zend_isset_isempty_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_isset_isempty_dim_prop_obj_handler(0, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_isset_isempty_prop_obj_handler(ZEND_OPCODE_HANDLER_ARGS) { return zend_isset_isempty_dim_prop_obj_handler(1, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU); } int zend_exit_handler(ZEND_OPCODE_HANDLER_ARGS) { if (opline->op1.op_type != IS_UNUSED) { zval *ptr; ptr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); if (Z_TYPE_P(ptr) == IS_LONG) { EG(exit_status) = Z_LVAL_P(ptr); } else { zend_print_variable(ptr); } FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); } zend_bailout(); NEXT_OPCODE(); } int zend_begin_silence_handler(ZEND_OPCODE_HANDLER_ARGS) { EX_T(opline->result.u.var).tmp_var.value.lval = EG(error_reporting); EX_T(opline->result.u.var).tmp_var.type = IS_LONG; /* shouldn't be necessary */ zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), "0", 1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); NEXT_OPCODE(); } int zend_raise_abstract_error_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_error(E_ERROR, "Cannot call abstract method %s::%s()", EG(scope)->name, op_array->function_name); NEXT_OPCODE(); /* Never reached */ } int zend_end_silence_handler(ZEND_OPCODE_HANDLER_ARGS) { zval restored_error_reporting; if (!EG(error_reporting)) { restored_error_reporting.type = IS_LONG; restored_error_reporting.value.lval = EX_T(opline->op1.u.var).tmp_var.value.lval; convert_to_string(&restored_error_reporting); zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), Z_STRVAL(restored_error_reporting), Z_STRLEN(restored_error_reporting), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); zendi_zval_dtor(restored_error_reporting); } NEXT_OPCODE(); } int zend_qm_assign_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *value = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); EX_T(opline->result.u.var).tmp_var = *value; if (!EG(free_op1)) { zval_copy_ctor(&EX_T(opline->result.u.var).tmp_var); } NEXT_OPCODE(); } int zend_ext_stmt_handler(ZEND_OPCODE_HANDLER_ARGS) { if (!EG(no_extensions)) { zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_statement_handler, op_array TSRMLS_CC); } NEXT_OPCODE(); } int zend_ext_fcall_begin_handler(ZEND_OPCODE_HANDLER_ARGS) { if (!EG(no_extensions)) { zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_begin_handler, op_array TSRMLS_CC); } NEXT_OPCODE(); } int zend_ext_fcall_end_handler(ZEND_OPCODE_HANDLER_ARGS) { if (!EG(no_extensions)) { zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_end_handler, op_array TSRMLS_CC); } NEXT_OPCODE(); } int zend_declare_class_handler(ZEND_OPCODE_HANDLER_ARGS) { EX_T(opline->result.u.var).class_entry = do_bind_class(opline, EG(class_table), 0 TSRMLS_CC); NEXT_OPCODE(); } int zend_declare_inherited_class_handler(ZEND_OPCODE_HANDLER_ARGS) { EX_T(opline->result.u.var).class_entry = do_bind_inherited_class(opline, EG(class_table), EX_T(opline->extended_value).class_entry, 0 TSRMLS_CC); NEXT_OPCODE(); } int zend_declare_function_handler(ZEND_OPCODE_HANDLER_ARGS) { do_bind_function(opline, EG(function_table), 0); NEXT_OPCODE(); } int zend_ticks_handler(ZEND_OPCODE_HANDLER_ARGS) { if (++EG(ticks_count)>=opline->op1.u.constant.value.lval) { EG(ticks_count)=0; if (zend_ticks_function) { zend_ticks_function(opline->op1.u.constant.value.lval); } } NEXT_OPCODE(); } int zend_instanceof_handler(ZEND_OPCODE_HANDLER_ARGS) { zval *expr = get_zval_ptr(&opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R); zend_bool result; if (Z_TYPE_P(expr) == IS_OBJECT) { result = instanceof_function(Z_OBJCE_P(expr), EX_T(opline->op2.u.var).class_entry TSRMLS_CC); } else { result = 0; } ZVAL_BOOL(&EX_T(opline->result.u.var).tmp_var, result); FREE_OP(EX(Ts), &opline->op1, EG(free_op1)); NEXT_OPCODE(); } int zend_ext_nop_handler(ZEND_OPCODE_HANDLER_ARGS) { NEXT_OPCODE(); } int zend_nop_handler(ZEND_OPCODE_HANDLER_ARGS) { NEXT_OPCODE(); } int zend_add_interface_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_class_entry *ce = EX_T(opline->op1.u.var).class_entry; zend_class_entry *iface = EX_T(opline->op2.u.var).class_entry; if (!(iface->ce_flags & ZEND_ACC_INTERFACE)) { zend_error(E_ERROR, "%s cannot implement %s - it is not an interface", ce->name, iface->name); } ce->interfaces[opline->extended_value] = iface; zend_do_implement_interface(ce, iface TSRMLS_CC); NEXT_OPCODE(); } int zend_handle_exception_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_uint op_num = EG(opline_before_exception)-EG(active_op_array)->opcodes; int i; int encapsulating_block=-1; zval **stack_zval_pp; stack_zval_pp = (zval **) EG(argument_stack).top_element - 1; while (*stack_zval_pp != NULL) { zval_ptr_dtor(stack_zval_pp); EG(argument_stack).top_element--; stack_zval_pp--; } for (i=0; ilast_try_catch; i++) { if (EG(active_op_array)->try_catch_array[i].try_op > op_num) { /* further blocks will not be relevant... */ break; } if (op_num >= EG(active_op_array)->try_catch_array[i].try_op && op_num < EG(active_op_array)->try_catch_array[i].catch_op) { encapsulating_block = i; } } if (encapsulating_block == -1) { RETURN_FROM_EXECUTE_LOOP(execute_data); } else { SET_OPCODE(&op_array->opcodes[EG(active_op_array)->try_catch_array[encapsulating_block].catch_op]); return 0; } } int zend_verify_abstract_class_handler(ZEND_OPCODE_HANDLER_ARGS) { zend_verify_abstract_class(EX_T(opline->op1.u.var).class_entry TSRMLS_CC); NEXT_OPCODE(); } void zend_init_opcodes_handlers() { memset(zend_opcode_handlers, 0, sizeof(zend_opcode_handlers)); zend_opcode_handlers[ZEND_NOP] = zend_nop_handler; zend_opcode_handlers[ZEND_ADD] = zend_add_handler; zend_opcode_handlers[ZEND_SUB] = zend_sub_handler; zend_opcode_handlers[ZEND_MUL] = zend_mul_handler; zend_opcode_handlers[ZEND_DIV] = zend_div_handler; zend_opcode_handlers[ZEND_MOD] = zend_mod_handler; zend_opcode_handlers[ZEND_SL] = zend_sl_handler; zend_opcode_handlers[ZEND_SR] = zend_sr_handler; zend_opcode_handlers[ZEND_CONCAT] = zend_concat_handler; zend_opcode_handlers[ZEND_BW_OR] = zend_bw_or_handler; zend_opcode_handlers[ZEND_BW_AND] = zend_bw_and_handler; zend_opcode_handlers[ZEND_BW_XOR] = zend_bw_xor_handler; zend_opcode_handlers[ZEND_BW_NOT] = zend_bw_not_handler; zend_opcode_handlers[ZEND_BOOL_NOT] = zend_bool_not_handler; zend_opcode_handlers[ZEND_BOOL_XOR] = zend_bool_xor_handler; zend_opcode_handlers[ZEND_IS_IDENTICAL] = zend_is_identical_handler; zend_opcode_handlers[ZEND_IS_NOT_IDENTICAL] = zend_is_not_identical_handler; zend_opcode_handlers[ZEND_IS_EQUAL] = zend_is_equal_handler; zend_opcode_handlers[ZEND_IS_NOT_EQUAL] = zend_is_not_equal_handler; zend_opcode_handlers[ZEND_IS_SMALLER] = zend_is_smaller_handler; zend_opcode_handlers[ZEND_IS_SMALLER_OR_EQUAL] = zend_is_smaller_or_equal_handler; zend_opcode_handlers[ZEND_CAST] = zend_cast_handler; zend_opcode_handlers[ZEND_QM_ASSIGN] = zend_qm_assign_handler; zend_opcode_handlers[ZEND_ASSIGN_ADD] = zend_assign_add_handler; zend_opcode_handlers[ZEND_ASSIGN_SUB] = zend_assign_sub_handler; zend_opcode_handlers[ZEND_ASSIGN_MUL] = zend_assign_mul_handler; zend_opcode_handlers[ZEND_ASSIGN_DIV] = zend_assign_div_handler; zend_opcode_handlers[ZEND_ASSIGN_MOD] = zend_assign_mod_handler; zend_opcode_handlers[ZEND_ASSIGN_SL] = zend_assign_sl_handler; zend_opcode_handlers[ZEND_ASSIGN_SR] = zend_assign_sr_handler; zend_opcode_handlers[ZEND_ASSIGN_CONCAT] = zend_assign_concat_handler; zend_opcode_handlers[ZEND_ASSIGN_BW_OR] = zend_assign_bw_or_handler; zend_opcode_handlers[ZEND_ASSIGN_BW_AND] = zend_assign_bw_and_handler; zend_opcode_handlers[ZEND_ASSIGN_BW_XOR] = zend_assign_bw_xor_handler; zend_opcode_handlers[ZEND_PRE_INC] = zend_pre_inc_handler; zend_opcode_handlers[ZEND_PRE_DEC] = zend_pre_dec_handler; zend_opcode_handlers[ZEND_POST_INC] = zend_post_inc_handler; zend_opcode_handlers[ZEND_POST_DEC] = zend_post_dec_handler; zend_opcode_handlers[ZEND_ASSIGN] = zend_assign_handler; zend_opcode_handlers[ZEND_ASSIGN_REF] = zend_assign_ref_handler; zend_opcode_handlers[ZEND_ECHO] = zend_echo_handler; zend_opcode_handlers[ZEND_PRINT] = zend_print_handler; zend_opcode_handlers[ZEND_JMP] = zend_jmp_handler; zend_opcode_handlers[ZEND_JMPZ] = zend_jmpz_handler; zend_opcode_handlers[ZEND_JMPNZ] = zend_jmpnz_handler; zend_opcode_handlers[ZEND_JMPZNZ] = zend_jmpznz_handler; zend_opcode_handlers[ZEND_JMPZ_EX] = zend_jmpz_ex_handler; zend_opcode_handlers[ZEND_JMPNZ_EX] = zend_jmpnz_ex_handler; zend_opcode_handlers[ZEND_CASE] = zend_case_handler; zend_opcode_handlers[ZEND_SWITCH_FREE] = zend_switch_free_handler; zend_opcode_handlers[ZEND_BRK] = zend_brk_handler; zend_opcode_handlers[ZEND_CONT] = zend_cont_handler; zend_opcode_handlers[ZEND_BOOL] = zend_bool_handler; zend_opcode_handlers[ZEND_INIT_STRING] = zend_init_string_handler; zend_opcode_handlers[ZEND_ADD_CHAR] = zend_add_char_handler; zend_opcode_handlers[ZEND_ADD_STRING] = zend_add_string_handler; zend_opcode_handlers[ZEND_ADD_VAR] = zend_add_var_handler; zend_opcode_handlers[ZEND_BEGIN_SILENCE] = zend_begin_silence_handler; zend_opcode_handlers[ZEND_END_SILENCE] = zend_end_silence_handler; zend_opcode_handlers[ZEND_INIT_FCALL_BY_NAME] = zend_init_fcall_by_name_handler; zend_opcode_handlers[ZEND_DO_FCALL] = zend_do_fcall_handler; zend_opcode_handlers[ZEND_DO_FCALL_BY_NAME] = zend_do_fcall_by_name_handler; zend_opcode_handlers[ZEND_RETURN] = zend_return_handler; zend_opcode_handlers[ZEND_RECV] = zend_recv_handler; zend_opcode_handlers[ZEND_RECV_INIT] = zend_recv_init_handler; zend_opcode_handlers[ZEND_SEND_VAL] = zend_send_val_handler; zend_opcode_handlers[ZEND_SEND_VAR] = zend_send_var_handler; zend_opcode_handlers[ZEND_SEND_REF] = zend_send_ref_handler; zend_opcode_handlers[ZEND_NEW] = zend_new_handler; zend_opcode_handlers[ZEND_JMP_NO_CTOR] = zend_jmp_no_ctor_handler; zend_opcode_handlers[ZEND_FREE] = zend_free_handler; zend_opcode_handlers[ZEND_INIT_ARRAY] = zend_init_array_handler; zend_opcode_handlers[ZEND_ADD_ARRAY_ELEMENT] = zend_add_array_element_handler; zend_opcode_handlers[ZEND_INCLUDE_OR_EVAL] = zend_include_or_eval_handler; zend_opcode_handlers[ZEND_UNSET_VAR] = zend_unset_var_handler; zend_opcode_handlers[ZEND_UNSET_DIM_OBJ] = zend_unset_dim_obj_handler; zend_opcode_handlers[ZEND_FE_RESET] = zend_fe_reset_handler; zend_opcode_handlers[ZEND_FE_FETCH] = zend_fe_fetch_handler; zend_opcode_handlers[ZEND_EXIT] = zend_exit_handler; zend_opcode_handlers[ZEND_FETCH_R] = zend_fetch_r_handler; zend_opcode_handlers[ZEND_FETCH_DIM_R] = zend_fetch_dim_r_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_R] = zend_fetch_obj_r_handler; zend_opcode_handlers[ZEND_FETCH_W] = zend_fetch_w_handler; zend_opcode_handlers[ZEND_FETCH_DIM_W] = zend_fetch_dim_w_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_W] = zend_fetch_obj_w_handler; zend_opcode_handlers[ZEND_FETCH_RW] = zend_fetch_rw_handler; zend_opcode_handlers[ZEND_FETCH_DIM_RW] = zend_fetch_dim_rw_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_RW] = zend_fetch_obj_rw_handler; zend_opcode_handlers[ZEND_FETCH_IS] = zend_fetch_is_handler; zend_opcode_handlers[ZEND_FETCH_DIM_IS] = zend_fetch_dim_is_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_IS] = zend_fetch_obj_is_handler; zend_opcode_handlers[ZEND_FETCH_FUNC_ARG] = zend_fetch_func_arg_handler; zend_opcode_handlers[ZEND_FETCH_DIM_FUNC_ARG] = zend_fetch_dim_func_arg_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_FUNC_ARG] = zend_fetch_obj_func_arg_handler; zend_opcode_handlers[ZEND_FETCH_UNSET] = zend_fetch_unset_handler; zend_opcode_handlers[ZEND_FETCH_DIM_UNSET] = zend_fetch_dim_unset_handler; zend_opcode_handlers[ZEND_FETCH_OBJ_UNSET] = zend_fetch_obj_unset_handler; zend_opcode_handlers[ZEND_FETCH_DIM_TMP_VAR] = zend_fetch_dim_tmp_var_handler; zend_opcode_handlers[ZEND_FETCH_CONSTANT] = zend_fetch_constant_handler; zend_opcode_handlers[ZEND_EXT_STMT] = zend_ext_stmt_handler; zend_opcode_handlers[ZEND_EXT_FCALL_BEGIN] = zend_ext_fcall_begin_handler; zend_opcode_handlers[ZEND_EXT_FCALL_END] = zend_ext_fcall_end_handler; zend_opcode_handlers[ZEND_EXT_NOP] = zend_ext_nop_handler; zend_opcode_handlers[ZEND_TICKS] = zend_ticks_handler; zend_opcode_handlers[ZEND_SEND_VAR_NO_REF] = zend_send_var_no_ref_handler; zend_opcode_handlers[ZEND_CATCH] = zend_catch_handler; zend_opcode_handlers[ZEND_THROW] = zend_throw_handler; zend_opcode_handlers[ZEND_FETCH_CLASS] = zend_fetch_class_handler; zend_opcode_handlers[ZEND_CLONE] = zend_clone_handler; zend_opcode_handlers[ZEND_INIT_CTOR_CALL] = zend_init_ctor_call_handler; zend_opcode_handlers[ZEND_INIT_METHOD_CALL] = zend_init_method_call_handler; zend_opcode_handlers[ZEND_INIT_STATIC_METHOD_CALL] = zend_init_static_method_call_handler; zend_opcode_handlers[ZEND_ISSET_ISEMPTY_VAR] = zend_isset_isempty_var_handler; zend_opcode_handlers[ZEND_ISSET_ISEMPTY_DIM_OBJ] = zend_isset_isempty_dim_obj_handler; zend_opcode_handlers[ZEND_ISSET_ISEMPTY_PROP_OBJ] = zend_isset_isempty_prop_obj_handler; zend_opcode_handlers[ZEND_PRE_INC_OBJ] = zend_pre_inc_obj_handler; zend_opcode_handlers[ZEND_PRE_DEC_OBJ] = zend_pre_dec_obj_handler; zend_opcode_handlers[ZEND_POST_INC_OBJ] = zend_post_inc_obj_handler; zend_opcode_handlers[ZEND_POST_DEC_OBJ] = zend_post_dec_obj_handler; zend_opcode_handlers[ZEND_ASSIGN_OBJ] = zend_assign_obj_handler; zend_opcode_handlers[ZEND_OP_DATA] = NULL; zend_opcode_handlers[ZEND_INSTANCEOF] = zend_instanceof_handler; zend_opcode_handlers[ZEND_DECLARE_CLASS] = zend_declare_class_handler; zend_opcode_handlers[ZEND_DECLARE_INHERITED_CLASS] = zend_declare_inherited_class_handler; zend_opcode_handlers[ZEND_DECLARE_FUNCTION] = zend_declare_function_handler; zend_opcode_handlers[ZEND_RAISE_ABSTRACT_ERROR] = zend_raise_abstract_error_handler; zend_opcode_handlers[ZEND_ADD_INTERFACE] = zend_add_interface_handler; zend_opcode_handlers[ZEND_VERIFY_ABSTRACT_CLASS] = zend_verify_abstract_class_handler; zend_opcode_handlers[ZEND_ASSIGN_DIM] = zend_assign_dim_handler; zend_opcode_handlers[ZEND_HANDLE_EXCEPTION] = zend_handle_exception_handler; } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */