/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans | | Zeev Suraski | | Andrei Zmievski | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "zend.h" #include "zend_execute.h" #include "zend_API.h" #include "zend_modules.h" #include "zend_constants.h" #include "zend_exceptions.h" #include "zend_closures.h" #ifdef HAVE_STDARG_H #include #endif /* these variables are true statics/globals, and have to be mutex'ed on every access */ ZEND_API HashTable module_registry; static zend_module_entry **module_request_startup_handlers; static zend_module_entry **module_request_shutdown_handlers; static zend_module_entry **module_post_deactivate_handlers; static zend_class_entry **class_cleanup_handlers; /* this function doesn't check for too many parameters */ ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */ { int arg_count; va_list ptr; zval **param, *param_ptr; TSRMLS_FETCH(); param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = EG(current_execute_data)->num_args; if (param_count>arg_count) { return FAILURE; } va_start(ptr, param_count); while (param_count-->0) { param = va_arg(ptr, zval **); if (!Z_ISREF_P(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) { zval new_tmp; ZVAL_DUP(&new_tmp, param_ptr); Z_DELREF_P(param_ptr); ZVAL_COPY_VALUE(param_ptr, &new_tmp); } *param = param_ptr; param_ptr++; } va_end(ptr); return SUCCESS; } /* }}} */ /* Zend-optimized Extended functions */ /* this function doesn't check for too many parameters */ ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */ { int arg_count; va_list ptr; zval **param, *param_ptr; TSRMLS_FETCH(); param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = EG(current_execute_data)->num_args; if (param_count>arg_count) { return FAILURE; } va_start(ptr, param_count); while (param_count-->0) { param = va_arg(ptr, zval **); *param = param_ptr; param_ptr++; } va_end(ptr); return SUCCESS; } /* }}} */ ZEND_API int _zend_get_parameters_array_ex(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */ { zval *param_ptr; int arg_count; param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = EG(current_execute_data)->num_args; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { ZVAL_COPY_VALUE(argument_array, param_ptr); argument_array++; param_ptr++; } return SUCCESS; } /* }}} */ ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */ { zval *param_ptr; int arg_count; param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1); arg_count = EG(current_execute_data)->num_args; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { if (Z_REFCOUNTED_P(param_ptr)) { Z_ADDREF_P(param_ptr); } zend_hash_next_index_insert_new(Z_ARRVAL_P(argument_array), param_ptr); param_ptr++; } return SUCCESS; } /* }}} */ ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */ { const char *space; const char *class_name = get_active_class_name(&space TSRMLS_CC); zend_error(E_WARNING, "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name(TSRMLS_C)); } /* }}} */ /* Argument parsing API -- andrei */ ZEND_API char *zend_get_type_by_const(int type) /* {{{ */ { switch(type) { case IS_FALSE: case IS_TRUE: return "boolean"; case IS_LONG: return "integer"; case IS_DOUBLE: return "double"; case IS_STRING: return "string"; case IS_OBJECT: return "object"; case IS_RESOURCE: return "resource"; case IS_NULL: return "null"; case IS_CALLABLE: return "callable"; case IS_ARRAY: return "array"; default: return "unknown"; } } /* }}} */ ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */ { ZVAL_DEREF(arg); return zend_get_type_by_const(Z_TYPE_P(arg)); } /* }}} */ ZEND_API zend_class_entry *zend_get_class_entry(const zend_object *zobject TSRMLS_DC) /* {{{ */ { if (zobject->handlers->get_class_entry) { return zobject->handlers->get_class_entry(zobject TSRMLS_CC); } else { zend_error(E_ERROR, "Class entry requested for an object without PHP class"); return NULL; } } /* }}} */ /* returns 1 if you need to copy result, 0 if it's already a copy */ ZEND_API zend_string *zend_get_object_classname(const zend_object *object TSRMLS_DC) /* {{{ */ { zend_string *ret; if (object->handlers->get_class_name != NULL) { ret = object->handlers->get_class_name(object, 0 TSRMLS_CC); if (ret) { return ret; } } return zend_get_class_entry(object TSRMLS_CC)->name; } /* }}} */ static int parse_arg_object_to_string(zval *arg, char **p, int *pl, int type TSRMLS_DC) /* {{{ */ { if (Z_OBJ_HANDLER_P(arg, cast_object)) { zval obj; if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, type TSRMLS_CC) == SUCCESS) { zval_ptr_dtor(arg); ZVAL_COPY_VALUE(arg, &obj); *pl = Z_STRLEN_P(arg); *p = Z_STRVAL_P(arg); return SUCCESS; } } /* Standard PHP objects */ if (Z_OBJ_HT_P(arg) == &std_object_handlers || !Z_OBJ_HANDLER_P(arg, cast_object)) { SEPARATE_ZVAL_NOREF(arg); if (zend_std_cast_object_tostring(arg, arg, type TSRMLS_CC) == SUCCESS) { *pl = Z_STRLEN_P(arg); *p = Z_STRVAL_P(arg); return SUCCESS; } } if (!Z_OBJ_HANDLER_P(arg, cast_object) && Z_OBJ_HANDLER_P(arg, get)) { int use_copy; zval rv; zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv TSRMLS_CC); Z_ADDREF_P(z); if(Z_TYPE_P(z) != IS_OBJECT) { zval_dtor(arg); ZVAL_NULL(arg); zend_make_printable_zval(z, arg, &use_copy); if (!use_copy) { ZVAL_ZVAL(arg, z, 1, 1); } *pl = Z_STRLEN_P(arg); *p = Z_STRVAL_P(arg); return SUCCESS; } zval_ptr_dtor(z); } return FAILURE; } /* }}} */ static int parse_arg_object_to_str(zval *arg, zend_string **str, int type TSRMLS_DC) /* {{{ */ { if (Z_OBJ_HANDLER_P(arg, cast_object)) { zval obj; if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, type TSRMLS_CC) == SUCCESS) { zval_ptr_dtor(arg); ZVAL_COPY_VALUE(arg, &obj); *str = Z_STR_P(arg); return SUCCESS; } } /* Standard PHP objects */ if (Z_OBJ_HT_P(arg) == &std_object_handlers || !Z_OBJ_HANDLER_P(arg, cast_object)) { SEPARATE_ZVAL_NOREF(arg); if (zend_std_cast_object_tostring(arg, arg, type TSRMLS_CC) == SUCCESS) { *str = Z_STR_P(arg); return SUCCESS; } } if (!Z_OBJ_HANDLER_P(arg, cast_object) && Z_OBJ_HANDLER_P(arg, get)) { int use_copy; zval rv; zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv TSRMLS_CC); Z_ADDREF_P(z); if(Z_TYPE_P(z) != IS_OBJECT) { zval_dtor(arg); ZVAL_NULL(arg); zend_make_printable_zval(z, arg, &use_copy); if (!use_copy) { ZVAL_ZVAL(arg, z, 1, 1); } *str = Z_STR_P(arg); return SUCCESS; } zval_ptr_dtor(z); } return FAILURE; } /* }}} */ static const char *zend_parse_arg_impl(int arg_num, zval *arg, va_list *va, const char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */ { const char *spec_walk = *spec; char c = *spec_walk++; int check_null = 0; zval *real_arg = arg; /* scan through modifiers */ ZVAL_DEREF(arg); while (1) { if (*spec_walk == '/') { SEPARATE_ZVAL(arg); real_arg = arg; } else if (*spec_walk == '!') { check_null = 1; } else { break; } spec_walk++; } switch (c) { case 'l': case 'L': { long *p = va_arg(*va, long *); if (check_null) { zend_bool *p = va_arg(*va, zend_bool *); *p = (Z_TYPE_P(arg) == IS_NULL); } switch (Z_TYPE_P(arg)) { case IS_STRING: { double d; int type; if ((type = is_numeric_string(Z_STRVAL_P(arg), Z_STRLEN_P(arg), p, &d, -1)) == 0) { return "long"; } else if (type == IS_DOUBLE) { if (c == 'L') { if (d > LONG_MAX) { *p = LONG_MAX; break; } else if (d < LONG_MIN) { *p = LONG_MIN; break; } } *p = zend_dval_to_lval(d); } } break; case IS_DOUBLE: if (c == 'L') { if (Z_DVAL_P(arg) > LONG_MAX) { *p = LONG_MAX; break; } else if (Z_DVAL_P(arg) < LONG_MIN) { *p = LONG_MIN; break; } } case IS_NULL: case IS_FALSE: case IS_TRUE: case IS_LONG: convert_to_long_ex(arg); *p = Z_LVAL_P(arg); break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "long"; } } break; case 'd': { double *p = va_arg(*va, double *); if (check_null) { zend_bool *p = va_arg(*va, zend_bool *); *p = (Z_TYPE_P(arg) == IS_NULL); } switch (Z_TYPE_P(arg)) { case IS_STRING: { long l; int type; if ((type = is_numeric_string(Z_STRVAL_P(arg), Z_STRLEN_P(arg), &l, p, -1)) == 0) { return "double"; } else if (type == IS_LONG) { *p = (double) l; } } break; case IS_NULL: case IS_FALSE: case IS_TRUE: case IS_LONG: case IS_DOUBLE: convert_to_double_ex(arg); *p = Z_DVAL_P(arg); break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "double"; } } break; case 'p': case 's': { char **p = va_arg(*va, char **); int *pl = va_arg(*va, int *); switch (Z_TYPE_P(arg)) { case IS_NULL: if (check_null) { *p = NULL; *pl = 0; break; } /* break omitted intentionally */ case IS_LONG: case IS_DOUBLE: case IS_FALSE: case IS_TRUE: convert_to_string_ex(arg); case IS_STRING: *p = Z_STRVAL_P(arg); *pl = Z_STRLEN_P(arg); if (c == 'p' && CHECK_ZVAL_NULL_PATH(arg)) { return "a valid path"; } break; case IS_OBJECT: if (parse_arg_object_to_string(arg, p, pl, IS_STRING TSRMLS_CC) == SUCCESS) { if (c == 'p' && CHECK_ZVAL_NULL_PATH(arg)) { return "a valid path"; } break; } case IS_ARRAY: case IS_RESOURCE: default: return c == 's' ? "string" : "a valid path"; } } break; case 'P': case 'S': { zend_string **str = va_arg(*va, zend_string **); switch (Z_TYPE_P(arg)) { case IS_NULL: if (check_null) { *str = NULL; break; } /* break omitted intentionally */ case IS_LONG: case IS_DOUBLE: case IS_FALSE: case IS_TRUE: convert_to_string_ex(arg); case IS_STRING: *str = Z_STR_P(arg); if (c == 'P' && CHECK_ZVAL_NULL_PATH(arg)) { return "a valid path"; } break; case IS_OBJECT: { if (parse_arg_object_to_str(arg, str, IS_STRING TSRMLS_CC) == SUCCESS) { if (c == 'P' && CHECK_ZVAL_NULL_PATH(arg)) { return "a valid path"; } break; } } case IS_ARRAY: case IS_RESOURCE: default: return c == 'S' ? "string" : "a valid path"; } } break; case 'b': { zend_bool *p = va_arg(*va, zend_bool *); if (check_null) { zend_bool *p = va_arg(*va, zend_bool *); *p = (Z_TYPE_P(arg) == IS_NULL); } switch (Z_TYPE_P(arg)) { case IS_NULL: case IS_STRING: case IS_LONG: case IS_DOUBLE: case IS_FALSE: case IS_TRUE: convert_to_boolean_ex(arg); *p = Z_TYPE_P(arg) == IS_TRUE; break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "boolean"; } } break; case 'r': { zval **p = va_arg(*va, zval **); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; break; } if (Z_TYPE_P(arg) == IS_RESOURCE) { *p = arg; } else { return "resource"; } } break; case 'A': case 'a': { zval **p = va_arg(*va, zval **); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; break; } if (Z_TYPE_P(arg) == IS_ARRAY || (c == 'A' && Z_TYPE_P(arg) == IS_OBJECT)) { *p = arg; } else { return "array"; } } break; case 'H': case 'h': { HashTable **p = va_arg(*va, HashTable **); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; break; } if (Z_TYPE_P(arg) == IS_ARRAY) { *p = Z_ARRVAL_P(arg); } else if(c == 'H' && Z_TYPE_P(arg) == IS_OBJECT) { *p = HASH_OF(arg); if(*p == NULL) { return "array"; } } else { return "array"; } } break; case 'o': { zval **p = va_arg(*va, zval **); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; break; } if (Z_TYPE_P(arg) == IS_OBJECT) { *p = arg; } else { return "object"; } } break; case 'O': { zval **p = va_arg(*va, zval **); zend_class_entry *ce = va_arg(*va, zend_class_entry *); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; break; } if (Z_TYPE_P(arg) == IS_OBJECT && (!ce || instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC))) { *p = arg; } else { if (ce) { return ce->name->val; } else { return "object"; } } } break; case 'C': { zend_class_entry *lookup, **pce = va_arg(*va, zend_class_entry **); zend_class_entry *ce_base = *pce; if (check_null && Z_TYPE_P(arg) == IS_NULL) { *pce = NULL; break; } convert_to_string_ex(arg); if ((lookup = zend_lookup_class(Z_STR_P(arg) TSRMLS_CC)) == NULL) { *pce = NULL; } else { *pce = lookup; } if (ce_base) { if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) { zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given", ce_base->name->val, Z_STRVAL_P(arg)); *pce = NULL; return ""; } } if (!*pce) { zend_spprintf(error, 0, "to be a valid class name, '%s' given", Z_STRVAL_P(arg)); return ""; } break; } break; case 'f': { zend_fcall_info *fci = va_arg(*va, zend_fcall_info *); zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *); char *is_callable_error = NULL; if (check_null && Z_TYPE_P(arg) == IS_NULL) { fci->size = 0; fcc->initialized = 0; break; } if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error TSRMLS_CC) == SUCCESS) { if (is_callable_error) { *severity = E_STRICT; zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error); efree(is_callable_error); *spec = spec_walk; return ""; } break; } else { if (is_callable_error) { *severity = E_WARNING; zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error); efree(is_callable_error); return ""; } else { return "valid callback"; } } } case 'z': { zval **p = va_arg(*va, zval **); if (check_null && Z_TYPE_P(arg) == IS_NULL) { *p = NULL; } else { *p = real_arg; } } break; case 'Z': /* 'Z' iz not supported anymore and should be replaced with 'z' */ ZEND_ASSERT(c != 'Z'); default: return "unknown"; } *spec = spec_walk; return NULL; } /* }}} */ static int zend_parse_arg(int arg_num, zval *arg, va_list *va, const char **spec, int quiet TSRMLS_DC) /* {{{ */ { const char *expected_type = NULL; char *error = NULL; int severity = E_WARNING; expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity TSRMLS_CC); if (expected_type) { if (!quiet && (*expected_type || error)) { const char *space; const char *class_name = get_active_class_name(&space TSRMLS_CC); if (error) { zend_error(severity, "%s%s%s() expects parameter %d %s", class_name, space, get_active_function_name(TSRMLS_C), arg_num, error); efree(error); } else { zend_error(severity, "%s%s%s() expects parameter %d to be %s, %s given", class_name, space, get_active_function_name(TSRMLS_C), arg_num, expected_type, zend_zval_type_name(arg)); } } if (severity != E_STRICT) { return FAILURE; } } return SUCCESS; } /* }}} */ ZEND_API int zend_parse_parameter(int flags, int arg_num TSRMLS_DC, zval *arg, const char *spec, ...) { va_list va; int ret; int quiet = flags & ZEND_PARSE_PARAMS_QUIET; va_start(va, spec); ret = zend_parse_arg(arg_num, arg, &va, &spec, quiet TSRMLS_CC); va_end(va); return ret; } static int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */ { const char *spec_walk; int c, i; int min_num_args = -1; int max_num_args = 0; int post_varargs = 0; zval *arg; int arg_count; int quiet = flags & ZEND_PARSE_PARAMS_QUIET; zend_bool have_varargs = 0; zval **varargs = NULL; int *n_varargs = NULL; for (spec_walk = type_spec; *spec_walk; spec_walk++) { c = *spec_walk; switch (c) { case 'l': case 'd': case 's': case 'b': case 'r': case 'a': case 'o': case 'O': case 'z': case 'Z': case 'C': case 'h': case 'f': case 'A': case 'H': case 'p': case 'S': case 'P': max_num_args++; break; case '|': min_num_args = max_num_args; break; case '/': case '!': /* Pass */ break; case '*': case '+': if (have_varargs) { if (!quiet) { zend_function *active_function = EG(current_execute_data)->func; const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : ""; zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted", class_name, class_name[0] ? "::" : "", active_function->common.function_name->val); } return FAILURE; } have_varargs = 1; /* we expect at least one parameter in varargs */ if (c == '+') { max_num_args++; } /* mark the beginning of varargs */ post_varargs = max_num_args; break; default: if (!quiet) { zend_function *active_function = EG(current_execute_data)->func; const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : ""; zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters", class_name, class_name[0] ? "::" : "", active_function->common.function_name->val); } return FAILURE; } } if (min_num_args < 0) { min_num_args = max_num_args; } if (have_varargs) { /* calculate how many required args are at the end of the specifier list */ post_varargs = max_num_args - post_varargs; max_num_args = -1; } if (num_args < min_num_args || (num_args > max_num_args && max_num_args > 0)) { if (!quiet) { zend_function *active_function = EG(current_execute_data)->func; const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : ""; zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given", class_name, class_name[0] ? "::" : "", active_function->common.function_name->val, min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most", num_args < min_num_args ? min_num_args : max_num_args, (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s", num_args); } return FAILURE; } arg_count = EG(current_execute_data)->num_args; if (num_args > arg_count) { zend_error(E_WARNING, "%s(): could not obtain parameters for parsing", get_active_function_name(TSRMLS_C)); return FAILURE; } i = 0; while (num_args-- > 0) { if (*type_spec == '|') { type_spec++; } if (*type_spec == '*' || *type_spec == '+') { int num_varargs = num_args + 1 - post_varargs; /* eat up the passed in storage even if it won't be filled in with varargs */ varargs = va_arg(*va, zval **); n_varargs = va_arg(*va, int *); type_spec++; if (num_varargs > 0) { *n_varargs = num_varargs; *varargs = ZEND_CALL_ARG(EG(current_execute_data), i + 1); /* adjust how many args we have left and restart loop */ num_args += 1 - num_varargs; i += num_varargs; continue; } else { *varargs = NULL; *n_varargs = 0; } } arg = ZEND_CALL_ARG(EG(current_execute_data), i + 1); if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) { /* clean up varargs array if it was used */ if (varargs && *varargs) { *varargs = NULL; } return FAILURE; } i++; } return SUCCESS; } /* }}} */ #define RETURN_IF_ZERO_ARGS(num_args, type_spec, quiet) { \ int __num_args = (num_args); \ \ if (0 == (type_spec)[0] && 0 != __num_args && !(quiet)) { \ const char *__space; \ const char * __class_name = get_active_class_name(&__space TSRMLS_CC); \ zend_error(E_WARNING, "%s%s%s() expects exactly 0 parameters, %d given", \ __class_name, __space, \ get_active_function_name(TSRMLS_C), __num_args); \ return FAILURE; \ }\ } ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */ { va_list va; int retval; RETURN_IF_ZERO_ARGS(num_args, type_spec, flags & ZEND_PARSE_PARAMS_QUIET); va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC); va_end(va); return retval; } /* }}} */ ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */ { va_list va; int retval; RETURN_IF_ZERO_ARGS(num_args, type_spec, 0); va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC); va_end(va); return retval; } /* }}} */ ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */ { va_list va; int retval; const char *p = type_spec; zval **object; zend_class_entry *ce; /* Just checking this_ptr is not enough, because fcall_common_helper does not set * Z_OBJ(EG(This)) to NULL when calling an internal function with common.scope == NULL. * In that case EG(This) would still be the $this from the calling code and we'd take the * wrong branch here. */ zend_bool is_method = EG(current_execute_data)->func->common.scope != NULL; if (!is_method || !this_ptr || Z_TYPE_P(this_ptr) != IS_OBJECT) { RETURN_IF_ZERO_ARGS(num_args, p, 0); va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC); va_end(va); } else { p++; RETURN_IF_ZERO_ARGS(num_args, p, 0); va_start(va, type_spec); object = va_arg(va, zval **); ce = va_arg(va, zend_class_entry *); *object = this_ptr; if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) { zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s", Z_OBJCE_P(this_ptr)->name->val, get_active_function_name(TSRMLS_C), ce->name->val, get_active_function_name(TSRMLS_C)); } retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC); va_end(va); } return retval; } /* }}} */ ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */ { va_list va; int retval; const char *p = type_spec; zval **object; zend_class_entry *ce; int quiet = flags & ZEND_PARSE_PARAMS_QUIET; if (!this_ptr) { RETURN_IF_ZERO_ARGS(num_args, p, quiet); va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC); va_end(va); } else { p++; RETURN_IF_ZERO_ARGS(num_args, p, quiet); va_start(va, type_spec); object = va_arg(va, zval **); ce = va_arg(va, zend_class_entry *); *object = this_ptr; if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) { if (!quiet) { zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s", ce->name->val, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name->val, get_active_function_name(TSRMLS_C)); } va_end(va); return FAILURE; } retval = zend_parse_va_args(num_args, p, &va, flags TSRMLS_CC); va_end(va); } return retval; } /* }}} */ /* Argument parsing API -- andrei */ ZEND_API int _array_init(zval *arg, uint size ZEND_FILE_LINE_DC) /* {{{ */ { ZVAL_NEW_ARR(arg); _zend_hash_init(Z_ARRVAL_P(arg), size, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC); return SUCCESS; } /* }}} */ /* This function should be called after the constructor has been called * because it may call __set from the uninitialized object otherwise. */ ZEND_API void zend_merge_properties(zval *obj, HashTable *properties TSRMLS_DC) /* {{{ */ { const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj); zend_class_entry *old_scope = EG(scope); zend_string *key; zval *value; EG(scope) = Z_OBJCE_P(obj); ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) { if (key) { zval member; ZVAL_STR(&member, STR_COPY(key)); obj_ht->write_property(obj, &member, value, -1 TSRMLS_CC); zval_ptr_dtor(&member); } } ZEND_HASH_FOREACH_END(); EG(scope) = old_scope; } /* }}} */ static int zval_update_class_constant(zval *pp, int is_static, int offset TSRMLS_DC) /* {{{ */ { ZVAL_DEREF(pp); if (Z_CONSTANT_P(pp)) { zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry); if ((*scope)->parent) { zend_class_entry *ce = *scope; zend_property_info *prop_info; do { ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) { if (is_static == ((prop_info->flags & ZEND_ACC_STATIC) != 0) && offset == prop_info->offset) { int ret; zend_class_entry *old_scope = *scope; *scope = prop_info->ce; ret = zval_update_constant(pp, 1 TSRMLS_CC); *scope = old_scope; return ret; } } ZEND_HASH_FOREACH_END(); ce = ce->parent; } while (ce); } return zval_update_constant(pp, 1 TSRMLS_CC); } return 0; } /* }}} */ ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC) /* {{{ */ { int i; /* initialize static members of internal class */ if (!CE_STATIC_MEMBERS(class_type) && class_type->default_static_members_count) { zval *p; if (class_type->parent) { zend_update_class_constants(class_type->parent TSRMLS_CC); } #if ZTS CG(static_members_table)[(zend_intptr_t)(class_type->static_members_table)] = emalloc(sizeof(zval*) * class_type->default_static_members_count); #else class_type->static_members_table = emalloc(sizeof(zval*) * class_type->default_static_members_count); #endif for (i = 0; i < class_type->default_static_members_count; i++) { p = &class_type->default_static_members_table[i]; if (Z_ISREF_P(p) && class_type->parent && i < class_type->parent->default_static_members_count && p == &class_type->parent->default_static_members_table[i] && Z_TYPE(CE_STATIC_MEMBERS(class_type->parent)[i]) != IS_UNDEF ) { zval *q = &CE_STATIC_MEMBERS(class_type->parent)[i]; ZVAL_NEW_REF(q, q); ZVAL_COPY_VALUE(&CE_STATIC_MEMBERS(class_type)[i], q); Z_ADDREF_P(q); } else { ZVAL_DUP(&CE_STATIC_MEMBERS(class_type)[i], p); } } } if ((class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED) == 0) { zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry); zend_class_entry *old_scope = *scope; zval *val; *scope = class_type; ZEND_HASH_FOREACH_VAL(&class_type->constants_table, val) { zval_update_constant(val, 1 TSRMLS_CC); } ZEND_HASH_FOREACH_END(); for (i = 0; i < class_type->default_properties_count; i++) { if (Z_TYPE(class_type->default_properties_table[i]) != IS_UNDEF) { zval_update_class_constant(&class_type->default_properties_table[i], 0, i TSRMLS_CC); } } for (i = 0; i < class_type->default_static_members_count; i++) { zval_update_class_constant(&CE_STATIC_MEMBERS(class_type)[i], 1, i TSRMLS_CC); } *scope = old_scope; class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED; } } /* }}} */ ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */ { int i; if (class_type->default_properties_count) { for (i = 0; i < class_type->default_properties_count; i++) { #if ZTS ZVAL_DUP(&object->properties_table[i], &class_type->default_properties_table[i]); #else ZVAL_COPY(&object->properties_table[i], &class_type->default_properties_table[i]); #endif } object->properties = NULL; } } /* }}} */ ZEND_API void object_properties_init_ex(zend_object *object, HashTable *properties TSRMLS_DC) /* {{{ */ { object->properties = properties; if (object->ce->default_properties_count) { zval *prop, tmp; zend_string *key; zend_property_info *property_info; ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, prop) { ZVAL_STR(&tmp, key); property_info = zend_get_property_info(object->ce, &tmp, 1 TSRMLS_CC); if (property_info && (property_info->flags & ZEND_ACC_STATIC) == 0 && property_info->offset >= 0) { ZVAL_COPY_VALUE(&object->properties_table[property_info->offset], prop); ZVAL_INDIRECT(prop, &object->properties_table[property_info->offset]); } } ZEND_HASH_FOREACH_END(); } } /* }}} */ ZEND_API void object_properties_load(zend_object *object, HashTable *properties TSRMLS_DC) /* {{{ */ { zval *prop, tmp; zend_string *key; zend_property_info *property_info; ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, prop) { ZVAL_STR(&tmp, key); property_info = zend_get_property_info(object->ce, &tmp, 1 TSRMLS_CC); if (property_info && (property_info->flags & ZEND_ACC_STATIC) == 0 && property_info->offset >= 0) { zval_ptr_dtor(&object->properties_table[property_info->offset]); ZVAL_COPY_VALUE(&object->properties_table[property_info->offset], prop); zval_add_ref(&object->properties_table[property_info->offset]); if (object->properties) { ZVAL_INDIRECT(&tmp, &object->properties_table[property_info->offset]); prop = zend_hash_update(object->properties, key, &tmp); } } else { if (!object->properties) { rebuild_object_properties(object); } prop = zend_hash_update(object->properties, key, prop); zval_add_ref(prop); } } ZEND_HASH_FOREACH_END(); } /* }}} */ /* This function requires 'properties' to contain all props declared in the * class and all props being public. If only a subset is given or the class * has protected members then you need to merge the properties separately by * calling zend_merge_properties(). */ ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */ { if (class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) { char *what = (class_type->ce_flags & ZEND_ACC_INTERFACE) ? "interface" :((class_type->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) ? "trait" : "abstract class"; zend_error(E_ERROR, "Cannot instantiate %s %s", what, class_type->name->val); } zend_update_class_constants(class_type TSRMLS_CC); if (class_type->create_object == NULL) { ZVAL_OBJ(arg, zend_objects_new(class_type TSRMLS_CC)); if (properties) { object_properties_init_ex(Z_OBJ_P(arg), properties TSRMLS_CC); } else { object_properties_init(Z_OBJ_P(arg), class_type); } } else { ZVAL_OBJ(arg, class_type->create_object(class_type TSRMLS_CC)); } return SUCCESS; } /* }}} */ ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */ { return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC TSRMLS_CC); } /* }}} */ ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */ { return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC TSRMLS_CC); } /* }}} */ ZEND_API int add_assoc_function(zval *arg, const char *key, void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS)) /* {{{ */ { zend_error(E_WARNING, "add_assoc_function() is no longer supported"); return FAILURE; } /* }}} */ ZEND_API int add_assoc_long_ex(zval *arg, const char *key, uint key_len, long n) /* {{{ */ { zval *ret, tmp; ZVAL_LONG(&tmp, n); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_null_ex(zval *arg, const char *key, uint key_len) /* {{{ */ { zval *ret, tmp; ZVAL_NULL(&tmp); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, uint key_len, int b) /* {{{ */ { zval *ret, tmp; ZVAL_BOOL(&tmp, b); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, uint key_len, zend_resource *r) /* {{{ */ { zval *ret, tmp; ZVAL_RES(&tmp, r); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_double_ex(zval *arg, const char *key, uint key_len, double d) /* {{{ */ { zval *ret, tmp; ZVAL_DOUBLE(&tmp, d); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_str_ex(zval *arg, const char *key, uint key_len, zend_string *str) /* {{{ */ { zval *ret, tmp; ZVAL_STR(&tmp, str); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_string_ex(zval *arg, const char *key, uint key_len, char *str) /* {{{ */ { zval *ret, tmp; ZVAL_STRING(&tmp, str); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length) /* {{{ */ { zval *ret, tmp; ZVAL_STRINGL(&tmp, str, length); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, uint key_len, zval *value) /* {{{ */ { zval *ret; ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, value); return ret ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_long(zval *arg, ulong index, long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_null(zval *arg, ulong index) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_bool(zval *arg, ulong index, int b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_resource(zval *arg, ulong index, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_double(zval *arg, ulong index, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_str(zval *arg, ulong index, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_string(zval *arg, ulong index, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_stringl(zval *arg, ulong index, const char *str, uint length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_index_zval(zval *arg, ulong index, zval *value) /* {{{ */ { return zend_hash_index_update(Z_ARRVAL_P(arg), index, value) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_long(zval *arg, long n) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, n); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_null(zval *arg) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, b); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_resource(zval *arg, zend_resource *r) /* {{{ */ { zval tmp; ZVAL_RES(&tmp, r); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_str(zval *arg, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_string(zval *arg, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_stringl(zval *arg, const char *str, uint length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */ { return zend_hash_next_index_insert(Z_ARRVAL_P(arg), value) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API zval *add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str) /* {{{ */ { zval tmp, *ret; ZVAL_STRING(&tmp, str); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret; } /* }}} */ ZEND_API zval *add_get_assoc_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length) /* {{{ */ { zval tmp, *ret; ZVAL_STRINGL(&tmp, str, length); ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp); return ret; } /* }}} */ ZEND_API zval *add_get_index_long(zval *arg, ulong index, long l) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, l); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API zval *add_get_index_double(zval *arg, ulong index, double d) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, d); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API zval *add_get_index_str(zval *arg, ulong index, zend_string *str) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, str); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API zval *add_get_index_string(zval *arg, ulong index, const char *str) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, str); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API zval *add_get_index_stringl(zval *arg, ulong index, const char *str, uint length) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, str, length); return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp); } /* }}} */ ZEND_API int array_set_zval_key(HashTable *ht, zval *key, zval *value TSRMLS_DC) /* {{{ */ { zval *result; switch (Z_TYPE_P(key)) { case IS_STRING: result = zend_symtable_update(ht, Z_STR_P(key), value); break; case IS_NULL: result = zend_symtable_update(ht, STR_EMPTY_ALLOC(), value); break; case IS_RESOURCE: zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", Z_RES_HANDLE_P(key), Z_RES_HANDLE_P(key)); result = zend_hash_index_update(ht, Z_RES_HANDLE_P(key), value); break; case IS_FALSE: result = zend_hash_index_update(ht, 0, value); break; case IS_TRUE: result = zend_hash_index_update(ht, 1, value); break; case IS_LONG: result = zend_hash_index_update(ht, Z_LVAL_P(key), value); break; case IS_DOUBLE: result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), value); break; default: zend_error(E_WARNING, "Illegal offset type"); result = NULL; } if (result) { if (Z_REFCOUNTED_P(result)) { Z_ADDREF_P(result); } return SUCCESS; } else { return FAILURE; } } /* }}} */ ZEND_API int add_property_long_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_LONG(&tmp, n); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_bool_ex(zval *arg, const char *key, uint key_len, int b TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_BOOL(&tmp, b); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_null_ex(zval *arg, const char *key, uint key_len TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_NULL(&tmp); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_resource_ex(zval *arg, const char *key, uint key_len, zend_resource *r TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_RES(&tmp, r); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_double_ex(zval *arg, const char *key, uint key_len, double d TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_DOUBLE(&tmp, d); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_str_ex(zval *arg, const char *key, uint key_len, zend_string *str TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_STR(&tmp, str); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_string_ex(zval *arg, const char *key, uint key_len, const char *str TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_STRING(&tmp, str); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length TSRMLS_DC) /* {{{ */ { zval tmp; zval z_key; ZVAL_STRINGL(&tmp, str, length); ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, -1 TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int add_property_zval_ex(zval *arg, const char *key, uint key_len, zval *value TSRMLS_DC) /* {{{ */ { zval z_key; ZVAL_STRINGL(&z_key, key, key_len); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value, -1 TSRMLS_CC); zval_ptr_dtor(&z_key); return SUCCESS; } /* }}} */ ZEND_API int zend_startup_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */ { int name_len; zend_string *lcname; if (module->module_started) { return SUCCESS; } module->module_started = 1; /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_REQUIRED) { zend_module_entry *req_mod; name_len = strlen(dep->name); lcname = STR_ALLOC(name_len, 0); zend_str_tolower_copy(lcname->val, dep->name, name_len); if ((req_mod = zend_hash_find_ptr(&module_registry, lcname)) == NULL || !req_mod->module_started) { STR_FREE(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name); module->module_started = 0; return FAILURE; } STR_FREE(lcname); } ++dep; } } /* Initialize module globals */ if (module->globals_size) { #ifdef ZTS ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor); #else if (module->globals_ctor) { module->globals_ctor(module->globals_ptr TSRMLS_CC); } #endif } if (module->module_startup_func) { EG(current_module) = module; if (module->module_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) { zend_error(E_CORE_ERROR,"Unable to start %s module", module->name); EG(current_module) = NULL; return FAILURE; } EG(current_module) = NULL; } return SUCCESS; } /* }}} */ static int zend_startup_module_zval(zval *zv TSRMLS_DC) /* {{{ */ { zend_module_entry *module = Z_PTR_P(zv); return zend_startup_module_ex(module TSRMLS_CC); } /* }}} */ static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare TSRMLS_DC) /* {{{ */ { Bucket *b1 = base; Bucket *b2; Bucket *end = b1 + count; Bucket tmp; zend_module_entry *m, *r; while (b1 < end) { try_again: m = (zend_module_entry*)Z_PTR(b1->val); if (!m->module_started && m->deps) { const zend_module_dep *dep = m->deps; while (dep->name) { if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) { b2 = b1 + 1; while (b2 < end) { r = (zend_module_entry*)Z_PTR(b2->val); if (strcasecmp(dep->name, r->name) == 0) { tmp = *b1; *b1 = *b2; *b2 = tmp; goto try_again; } b2++; } } dep++; } } b1++; } } /* }}} */ ZEND_API void zend_collect_module_handlers(TSRMLS_D) /* {{{ */ { zend_module_entry *module; int startup_count = 0; int shutdown_count = 0; int post_deactivate_count = 0; zend_class_entry *ce; int class_count = 0; /* Collect extensions with request startup/shutdown handlers */ ZEND_HASH_FOREACH_PTR(&module_registry, module) { if (module->request_startup_func) { startup_count++; } if (module->request_shutdown_func) { shutdown_count++; } if (module->post_deactivate_func) { post_deactivate_count++; } } ZEND_HASH_FOREACH_END(); module_request_startup_handlers = (zend_module_entry**)malloc( sizeof(zend_module_entry*) * (startup_count + 1 + shutdown_count + 1 + post_deactivate_count + 1)); module_request_startup_handlers[startup_count] = NULL; module_request_shutdown_handlers = module_request_startup_handlers + startup_count + 1; module_request_shutdown_handlers[shutdown_count] = NULL; module_post_deactivate_handlers = module_request_shutdown_handlers + shutdown_count + 1; module_post_deactivate_handlers[post_deactivate_count] = NULL; startup_count = 0; ZEND_HASH_FOREACH_PTR(&module_registry, module) { if (module->request_startup_func) { module_request_startup_handlers[startup_count++] = module; } if (module->request_shutdown_func) { module_request_shutdown_handlers[--shutdown_count] = module; } if (module->post_deactivate_func) { module_post_deactivate_handlers[--post_deactivate_count] = module; } } ZEND_HASH_FOREACH_END(); /* Collect internal classes with static members */ ZEND_HASH_FOREACH_PTR(CG(class_table), ce) { if (ce->type == ZEND_INTERNAL_CLASS && ce->default_static_members_count > 0) { class_count++; } } ZEND_HASH_FOREACH_END(); class_cleanup_handlers = (zend_class_entry**)malloc( sizeof(zend_class_entry*) * (class_count + 1)); class_cleanup_handlers[class_count] = NULL; if (class_count) { ZEND_HASH_FOREACH_PTR(CG(class_table), ce) { if (ce->type == ZEND_INTERNAL_CLASS && ce->default_static_members_count > 0) { class_cleanup_handlers[--class_count] = ce; } } ZEND_HASH_FOREACH_END(); } } /* }}} */ ZEND_API int zend_startup_modules(TSRMLS_D) /* {{{ */ { zend_hash_sort(&module_registry, zend_sort_modules, NULL, 0 TSRMLS_CC); zend_hash_apply(&module_registry, zend_startup_module_zval TSRMLS_CC); return SUCCESS; } /* }}} */ ZEND_API void zend_destroy_modules(void) /* {{{ */ { free(class_cleanup_handlers); free(module_request_startup_handlers); zend_hash_graceful_reverse_destroy(&module_registry); } /* }}} */ ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */ { int name_len; zend_string *lcname; zend_module_entry *module_ptr; if (!module) { return NULL; } #if 0 zend_printf("%s: Registering module %d\n", module->name, module->module_number); #endif /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_CONFLICTS) { name_len = strlen(dep->name); lcname = STR_ALLOC(name_len, 0); zend_str_tolower_copy(lcname->val, dep->name, name_len); if (zend_hash_exists(&module_registry, lcname)) { STR_FREE(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name); return NULL; } STR_FREE(lcname); } ++dep; } } name_len = strlen(module->name); lcname = STR_ALLOC(name_len, 1); zend_str_tolower_copy(lcname->val, module->name, name_len); if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) { zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name); STR_RELEASE(lcname); return NULL; } STR_RELEASE(lcname); module = module_ptr; EG(current_module) = module; if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) { EG(current_module) = NULL; zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name); return NULL; } EG(current_module) = NULL; return module; } /* }}} */ ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module TSRMLS_DC) /* {{{ */ { module->module_number = zend_next_free_module(); module->type = MODULE_PERSISTENT; return zend_register_module_ex(module TSRMLS_CC); } /* }}} */ ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type TSRMLS_DC) /* {{{ */ { char lcname[16]; int name_len; /* we don't care if the function name is longer, in fact lowercasing only * the beginning of the name speeds up the check process */ name_len = fptr->common.function_name->len; zend_str_tolower_copy(lcname, fptr->common.function_name->val, MIN(name_len, sizeof(lcname)-1)); lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */ if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1) && fptr->common.num_args != 0) { zend_error(error_type, "Destructor %s::%s() cannot take arguments", ce->name->val, ZEND_DESTRUCTOR_FUNC_NAME); } else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1) && fptr->common.num_args != 0) { zend_error(error_type, "Method %s::%s() cannot accept any arguments", ce->name->val, ZEND_CLONE_FUNC_NAME); } else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name->val, ZEND_GET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_GET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name->val, ZEND_SET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_SET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name->val, ZEND_UNSET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_UNSET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name->val, ZEND_ISSET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_ISSET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name->val, ZEND_CALL_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_CALL_FUNC_NAME); } } else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) ) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name->val, ZEND_CALLSTATIC_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name->val, ZEND_CALLSTATIC_FUNC_NAME); } } else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0 ) { zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name->val, ZEND_TOSTRING_FUNC_NAME); } else if (name_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && fptr->common.num_args != 0) { zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name->val, ZEND_DEBUGINFO_FUNC_NAME); } } /* }}} */ /* registers all functions in *library_functions in the function hash */ ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC) /* {{{ */ { const zend_function_entry *ptr = functions; zend_function function, *reg_function; zend_internal_function *internal_function = (zend_internal_function *)&function; int count=0, unload=0; HashTable *target_function_table = function_table; int error_type; zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL, *__debugInfo = NULL; zend_string *lowercase_name; int fname_len; const char *lc_class_name = NULL; int class_name_len = 0; if (type==MODULE_PERSISTENT) { error_type = E_CORE_WARNING; } else { error_type = E_WARNING; } if (!target_function_table) { target_function_table = CG(function_table); } internal_function->type = ZEND_INTERNAL_FUNCTION; internal_function->module = EG(current_module); if (scope) { class_name_len = scope->name->len; if ((lc_class_name = zend_memrchr(scope->name->val, '\\', class_name_len))) { ++lc_class_name; class_name_len -= (lc_class_name - scope->name->val); lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len); } else { lc_class_name = zend_str_tolower_dup(scope->name->val, class_name_len); } } while (ptr->fname) { fname_len = strlen(ptr->fname); internal_function->handler = ptr->handler; internal_function->function_name = zend_new_interned_string(STR_INIT(ptr->fname, fname_len, 1) TSRMLS_CC); internal_function->scope = scope; internal_function->prototype = NULL; if (ptr->flags) { if (!(ptr->flags & ZEND_ACC_PPP_MASK)) { if (ptr->flags != ZEND_ACC_DEPRECATED || scope) { zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? scope->name->val : "", scope ? "::" : "", ptr->fname); } internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags; } else { internal_function->fn_flags = ptr->flags; } } else { internal_function->fn_flags = ZEND_ACC_PUBLIC; } if (ptr->arg_info) { zend_internal_function_info *info = (zend_internal_function_info*)ptr->arg_info; internal_function->arg_info = (zend_arg_info*)ptr->arg_info+1; internal_function->num_args = ptr->num_args; /* Currently you cannot denote that the function can accept less arguments than num_args */ if (info->required_num_args == -1) { internal_function->required_num_args = ptr->num_args; } else { internal_function->required_num_args = info->required_num_args; } if (info->return_reference) { internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE; } if (ptr->arg_info[ptr->num_args].is_variadic) { internal_function->fn_flags |= ZEND_ACC_VARIADIC; } } else { internal_function->arg_info = NULL; internal_function->num_args = 0; internal_function->required_num_args = 0; } if (ptr->flags & ZEND_ACC_ABSTRACT) { if (scope) { /* This is a class that must be abstract itself. Here we set the check info. */ scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS; if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) { /* Since the class is not an interface it needs to be declared as a abstract class. */ /* Since here we are handling internal functions only we can add the keyword flag. */ /* This time we set the flag for the keyword 'abstract'. */ scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } } if (ptr->flags & ZEND_ACC_STATIC && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) { zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? scope->name->val : "", scope ? "::" : "", ptr->fname); } } else { if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) { efree((char*)lc_class_name); zend_error(error_type, "Interface %s cannot contain non abstract method %s()", scope->name->val, ptr->fname); return FAILURE; } if (!internal_function->handler) { if (scope) { efree((char*)lc_class_name); } zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? scope->name->val : "", scope ? "::" : "", ptr->fname); zend_unregister_functions(functions, count, target_function_table TSRMLS_CC); return FAILURE; } } lowercase_name = STR_ALLOC(fname_len, 1); zend_str_tolower_copy(lowercase_name->val, ptr->fname, fname_len); lowercase_name = zend_new_interned_string(lowercase_name TSRMLS_CC); reg_function = malloc(sizeof(zend_internal_function)); memcpy(reg_function, &function, sizeof(zend_internal_function)); if (zend_hash_add_ptr(target_function_table, lowercase_name, reg_function) == NULL) { unload=1; free(reg_function); STR_RELEASE(lowercase_name); break; } /* If types of arguments have to be checked */ if (reg_function->common.arg_info && reg_function->common.num_args) { int i; for (i = 0; i < reg_function->common.num_args; i++) { if (reg_function->common.arg_info[i].class_name || reg_function->common.arg_info[i].type_hint) { reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS; break; } } } if (scope) { /* Look for ctor, dtor, clone * If it's an old-style constructor, store it only if we don't have * a constructor already. */ if ((fname_len == class_name_len) && !ctor && !memcmp(lowercase_name->val, lc_class_name, class_name_len+1)) { ctor = reg_function; } else if ((fname_len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME) - 1)) { ctor = reg_function; } else if ((fname_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1)) { dtor = reg_function; if (internal_function->num_args) { zend_error(error_type, "Destructor %s::%s() cannot take arguments", scope->name->val, ptr->fname); } } else if ((fname_len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1)) { clone = reg_function; } else if ((fname_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) { __call = reg_function; } else if ((fname_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1)) { __callstatic = reg_function; } else if ((fname_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME) - 1)) { __tostring = reg_function; } else if ((fname_len == sizeof(ZEND_GET_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) { __get = reg_function; } else if ((fname_len == sizeof(ZEND_SET_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) { __set = reg_function; } else if ((fname_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) { __unset = reg_function; } else if ((fname_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) { __isset = reg_function; } else if ((fname_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && !memcmp(lowercase_name->val, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1)) { __debugInfo = reg_function; } else { reg_function = NULL; } if (reg_function) { zend_check_magic_method_implementation(scope, reg_function, error_type TSRMLS_CC); } } ptr++; count++; STR_RELEASE(lowercase_name); } if (unload) { /* before unloading, display all remaining bad function in the module */ if (scope) { efree((char*)lc_class_name); } while (ptr->fname) { fname_len = strlen(ptr->fname); lowercase_name = STR_ALLOC(fname_len, 0); zend_str_tolower_copy(lowercase_name->val, ptr->fname, fname_len); if (zend_hash_exists(target_function_table, lowercase_name)) { zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? scope->name->val : "", scope ? "::" : "", ptr->fname); } STR_FREE(lowercase_name); ptr++; } zend_unregister_functions(functions, count, target_function_table TSRMLS_CC); return FAILURE; } if (scope) { scope->constructor = ctor; scope->destructor = dtor; scope->clone = clone; scope->__call = __call; scope->__callstatic = __callstatic; scope->__tostring = __tostring; scope->__get = __get; scope->__set = __set; scope->__unset = __unset; scope->__isset = __isset; scope->__debugInfo = __debugInfo; if (ctor) { ctor->common.fn_flags |= ZEND_ACC_CTOR; if (ctor->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name->val, ctor->common.function_name->val); } ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (dtor) { dtor->common.fn_flags |= ZEND_ACC_DTOR; if (dtor->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Destructor %s::%s() cannot be static", scope->name->val, dtor->common.function_name->val); } dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (clone) { clone->common.fn_flags |= ZEND_ACC_CLONE; if (clone->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name->val, clone->common.function_name->val); } clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__call) { if (__call->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __call->common.function_name->val); } __call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__callstatic) { if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) { zend_error(error_type, "Method %s::%s() must be static", scope->name->val, __callstatic->common.function_name->val); } __callstatic->common.fn_flags |= ZEND_ACC_STATIC; } if (__tostring) { if (__tostring->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __tostring->common.function_name->val); } __tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__get) { if (__get->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __get->common.function_name->val); } __get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__set) { if (__set->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __set->common.function_name->val); } __set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__unset) { if (__unset->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __unset->common.function_name->val); } __unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__isset) { if (__isset->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __isset->common.function_name->val); } __isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__debugInfo) { if (__debugInfo->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name->val, __debugInfo->common.function_name->val); } } efree((char*)lc_class_name); } return SUCCESS; } /* }}} */ /* count=-1 means erase all functions, otherwise, * erase the first count functions */ ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table TSRMLS_DC) /* {{{ */ { const zend_function_entry *ptr = functions; int i=0; HashTable *target_function_table = function_table; zend_string *lowercase_name; int fname_len; if (!target_function_table) { target_function_table = CG(function_table); } while (ptr->fname) { if (count!=-1 && i>=count) { break; } fname_len = strlen(ptr->fname); lowercase_name = STR_ALLOC(fname_len, 0); zend_str_tolower_copy(lowercase_name->val, ptr->fname, fname_len); zend_hash_del(target_function_table, lowercase_name); STR_FREE(lowercase_name); ptr++; i++; } } /* }}} */ ZEND_API int zend_startup_module(zend_module_entry *module TSRMLS_DC) /* {{{ */ { if ((module = zend_register_internal_module(module TSRMLS_CC)) != NULL && zend_startup_module_ex(module TSRMLS_CC) == SUCCESS) { return SUCCESS; } return FAILURE; } /* }}} */ ZEND_API int zend_get_module_started(const char *module_name) /* {{{ */ { zend_module_entry *module; module = zend_hash_str_find_ptr(&module_registry, module_name, strlen(module_name)); return (module && module->module_started) ? SUCCESS : FAILURE; } /* }}} */ static int clean_module_class(zval *el, void *arg TSRMLS_DC) /* {{{ */ { zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el); int module_number = *(int *)arg; if (ce->type == ZEND_INTERNAL_CLASS && ce->info.internal.module->module_number == module_number) { return ZEND_HASH_APPLY_REMOVE; } else { return ZEND_HASH_APPLY_KEEP; } } /* }}} */ static void clean_module_classes(int module_number TSRMLS_DC) /* {{{ */ { zend_hash_apply_with_argument(EG(class_table), clean_module_class, (void *) &module_number TSRMLS_CC); } /* }}} */ void module_destructor(zend_module_entry *module) /* {{{ */ { TSRMLS_FETCH(); if (module->type == MODULE_TEMPORARY) { zend_clean_module_rsrc_dtors(module->module_number TSRMLS_CC); clean_module_constants(module->module_number TSRMLS_CC); clean_module_classes(module->module_number TSRMLS_CC); } if (module->module_started && module->module_shutdown_func) { #if 0 zend_printf("%s: Module shutdown\n", module->name); #endif module->module_shutdown_func(module->type, module->module_number TSRMLS_CC); } /* Deinitilaise module globals */ if (module->globals_size) { #ifdef ZTS if (*module->globals_id_ptr) { ts_free_id(*module->globals_id_ptr); } #else if (module->globals_dtor) { module->globals_dtor(module->globals_ptr TSRMLS_CC); } #endif } module->module_started=0; if (module->functions) { zend_unregister_functions(module->functions, -1, NULL TSRMLS_CC); } #if HAVE_LIBDL #if !(defined(NETWARE) && defined(APACHE_1_BUILD)) if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) { DL_UNLOAD(module->handle); } #endif #endif } /* }}} */ ZEND_API void zend_activate_modules(TSRMLS_D) /* {{{ */ { zend_module_entry **p = module_request_startup_handlers; while (*p) { zend_module_entry *module = *p; if (module->request_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) { zend_error(E_WARNING, "request_startup() for %s module failed", module->name); exit(1); } p++; } } /* }}} */ /* call request shutdown for all modules */ static int module_registry_cleanup(zval *zv TSRMLS_DC) /* {{{ */ { zend_module_entry *module = Z_PTR_P(zv); if (module->request_shutdown_func) { #if 0 zend_printf("%s: Request shutdown\n", module->name); #endif module->request_shutdown_func(module->type, module->module_number TSRMLS_CC); } return 0; } /* }}} */ ZEND_API void zend_deactivate_modules(TSRMLS_D) /* {{{ */ { EG(current_execute_data) = NULL; /* we're no longer executing anything */ zend_try { if (EG(full_tables_cleanup)) { zend_hash_reverse_apply(&module_registry, module_registry_cleanup TSRMLS_CC); } else { zend_module_entry **p = module_request_shutdown_handlers; while (*p) { zend_module_entry *module = *p; module->request_shutdown_func(module->type, module->module_number TSRMLS_CC); p++; } } } zend_end_try(); } /* }}} */ ZEND_API void zend_cleanup_internal_classes(TSRMLS_D) /* {{{ */ { zend_class_entry **p = class_cleanup_handlers; while (*p) { zend_cleanup_internal_class_data(*p TSRMLS_CC); p++; } } /* }}} */ int module_registry_unload_temp(const zend_module_entry *module TSRMLS_DC) /* {{{ */ { return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP; } /* }}} */ static int module_registry_unload_temp_wrapper(zval *el TSRMLS_DC) /* {{{ */ { zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el); return module_registry_unload_temp((const zend_module_entry *)module TSRMLS_CC); } /* }}} */ static int exec_done_cb(zval *el TSRMLS_DC) /* {{{ */ { zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el); if (module->post_deactivate_func) { module->post_deactivate_func(); } return 0; } /* }}} */ ZEND_API void zend_post_deactivate_modules(TSRMLS_D) /* {{{ */ { if (EG(full_tables_cleanup)) { zend_hash_apply(&module_registry, exec_done_cb TSRMLS_CC); zend_hash_reverse_apply(&module_registry, module_registry_unload_temp_wrapper TSRMLS_CC); } else { zend_module_entry **p = module_post_deactivate_handlers; while (*p) { zend_module_entry *module = *p; module->post_deactivate_func(); p++; } } } /* }}} */ /* return the next free module number */ int zend_next_free_module(void) /* {{{ */ { return zend_hash_num_elements(&module_registry) + 1; } /* }}} */ static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, zend_uint ce_flags TSRMLS_DC) /* {{{ */ { zend_class_entry *class_entry = malloc(sizeof(zend_class_entry)); zend_string *lowercase_name = STR_ALLOC(orig_class_entry->name->len, 1); *class_entry = *orig_class_entry; class_entry->type = ZEND_INTERNAL_CLASS; zend_initialize_class_data(class_entry, 0 TSRMLS_CC); class_entry->ce_flags = ce_flags | ZEND_ACC_CONSTANTS_UPDATED; class_entry->info.internal.module = EG(current_module); if (class_entry->info.internal.builtin_functions) { zend_register_functions(class_entry, class_entry->info.internal.builtin_functions, &class_entry->function_table, MODULE_PERSISTENT TSRMLS_CC); } zend_str_tolower_copy(lowercase_name->val, orig_class_entry->name->val, class_entry->name->len); lowercase_name = zend_new_interned_string(lowercase_name TSRMLS_CC); zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry); STR_RELEASE(lowercase_name); return class_entry; } /* }}} */ /* If parent_ce is not NULL then it inherits from parent_ce * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it * If both parent_ce and parent_name are NULL it does a regular class registration * If parent_name is specified but not found NULL is returned */ ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce TSRMLS_DC) /* {{{ */ { zend_class_entry *register_class; register_class = zend_register_internal_class(class_entry TSRMLS_CC); if (parent_ce) { zend_do_inheritance(register_class, parent_ce TSRMLS_CC); } return register_class; } /* }}} */ ZEND_API void zend_class_implements(zend_class_entry *class_entry TSRMLS_DC, int num_interfaces, ...) /* {{{ */ { zend_class_entry *interface_entry; va_list interface_list; va_start(interface_list, num_interfaces); while (num_interfaces--) { interface_entry = va_arg(interface_list, zend_class_entry *); zend_do_implement_interface(class_entry, interface_entry TSRMLS_CC); } va_end(interface_list); } /* }}} */ /* A class that contains at least one abstract method automatically becomes an abstract class. */ ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */ { return do_register_internal_class(orig_class_entry, 0 TSRMLS_CC); } /* }}} */ ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */ { return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE TSRMLS_CC); } /* }}} */ ZEND_API int zend_register_class_alias_ex(const char *name, int name_len, zend_class_entry *ce TSRMLS_DC) /* {{{ */ { zend_string *lcname; if (name[0] == '\\') { lcname = STR_ALLOC(name_len-1, 1); zend_str_tolower_copy(lcname->val, name+1, name_len-1); } else { lcname = STR_ALLOC(name_len, 1); zend_str_tolower_copy(lcname->val, name, name_len); } ce = zend_hash_add_ptr(CG(class_table), lcname, ce); STR_RELEASE(lcname); if (ce) { ce->refcount++; return SUCCESS; } return FAILURE; } /* }}} */ ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */ { HashTable *symbol_table; va_list symbol_table_list; if (num_symbol_tables <= 0) return FAILURE; if (is_ref) { ZVAL_MAKE_REF(symbol); } va_start(symbol_table_list, num_symbol_tables); while (num_symbol_tables-- > 0) { symbol_table = va_arg(symbol_table_list, HashTable *); zend_hash_str_update(symbol_table, name, name_length, symbol); if (Z_REFCOUNTED_P(symbol)) { Z_ADDREF_P(symbol); } } va_end(symbol_table_list); return SUCCESS; } /* }}} */ /* Disabled functions support */ /* {{{ proto void display_disabled_function(void) Dummy function which displays an error when a disabled function is called. */ ZEND_API ZEND_FUNCTION(display_disabled_function) { zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name(TSRMLS_C)); } /* }}} */ static zend_function_entry disabled_function[] = { ZEND_FE(display_disabled_function, NULL) ZEND_FE_END }; ZEND_API int zend_disable_function(char *function_name, uint function_name_length TSRMLS_DC) /* {{{ */ { int ret; ret = zend_hash_str_del(CG(function_table), function_name, function_name_length); if (ret == FAILURE) { return FAILURE; } disabled_function[0].fname = function_name; return zend_register_functions(NULL, disabled_function, CG(function_table), MODULE_PERSISTENT TSRMLS_CC); } /* }}} */ #ifdef ZEND_WIN32 #pragma optimize("", off) #endif static zend_object *display_disabled_class(zend_class_entry *class_type TSRMLS_DC) /* {{{ */ { zend_object *intern; intern = zend_objects_new(class_type TSRMLS_CC); zend_error(E_WARNING, "%s() has been disabled for security reasons", class_type->name->val); return intern; } #ifdef ZEND_WIN32 #pragma optimize("", on) #endif /* }}} */ static const zend_function_entry disabled_class_new[] = { ZEND_FE_END }; ZEND_API int zend_disable_class(char *class_name, uint class_name_length TSRMLS_DC) /* {{{ */ { zend_class_entry *disabled_class; zend_string *key; key = STR_ALLOC(class_name_length, 0); zend_str_tolower_copy(key->val, class_name, class_name_length); disabled_class = zend_hash_find_ptr(CG(class_table), key); if (!disabled_class) { return FAILURE; } INIT_CLASS_ENTRY_INIT_METHODS((*disabled_class), disabled_class_new, NULL, NULL, NULL, NULL, NULL); disabled_class->create_object = display_disabled_class; zend_hash_clean(&disabled_class->function_table); return SUCCESS; } /* }}} */ static int zend_is_callable_check_class(zend_string *name, zend_fcall_info_cache *fcc, int *strict_class, char **error TSRMLS_DC) /* {{{ */ { int ret = 0; zend_class_entry *ce; int name_len = name->len; zend_string *lcname; ALLOCA_FLAG(use_heap); STR_ALLOCA_ALLOC(lcname, name_len, use_heap); zend_str_tolower_copy(lcname->val, name->val, name_len + 1); *strict_class = 0; if (name_len == sizeof("self") - 1 && !memcmp(lcname->val, "self", sizeof("self") - 1)) { if (!EG(scope)) { if (error) *error = estrdup("cannot access self:: when no class scope is active"); } else { fcc->called_scope = EG(called_scope); fcc->calling_scope = EG(scope); if (!fcc->object && Z_OBJ(EG(This))) { fcc->object = Z_OBJ(EG(This)); } ret = 1; } } else if (name_len == sizeof("parent") - 1 && !memcmp(lcname->val, "parent", sizeof("parent") - 1)) { if (!EG(scope)) { if (error) *error = estrdup("cannot access parent:: when no class scope is active"); } else if (!EG(scope)->parent) { if (error) *error = estrdup("cannot access parent:: when current class scope has no parent"); } else { fcc->called_scope = EG(called_scope); fcc->calling_scope = EG(scope)->parent; if (!fcc->object && Z_OBJ(EG(This))) { fcc->object = Z_OBJ(EG(This)); } *strict_class = 1; ret = 1; } } else if (name_len == sizeof("static") - 1 && !memcmp(lcname->val, "static", sizeof("static") - 1)) { if (!EG(called_scope)) { if (error) *error = estrdup("cannot access static:: when no class scope is active"); } else { fcc->called_scope = EG(called_scope); fcc->calling_scope = EG(called_scope); if (!fcc->object && Z_OBJ(EG(This))) { fcc->object = Z_OBJ(EG(This)); } *strict_class = 1; ret = 1; } } else if ((ce = zend_lookup_class_ex(name, NULL, 1 TSRMLS_CC)) != NULL) { zend_class_entry *scope; zend_execute_data *ex = EG(current_execute_data); while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) { ex = ex->prev_execute_data; } scope = ex ? ex->func->common.scope : NULL; fcc->calling_scope = ce; if (scope && !fcc->object && Z_OBJ(EG(This)) && instanceof_function(Z_OBJCE(EG(This)), scope TSRMLS_CC) && instanceof_function(scope, fcc->calling_scope TSRMLS_CC)) { fcc->object = Z_OBJ(EG(This)); fcc->called_scope = Z_OBJCE(EG(This)); } else { fcc->called_scope = fcc->object ? zend_get_class_entry(fcc->object TSRMLS_CC) : fcc->calling_scope; } *strict_class = 1; ret = 1; } else { if (error) zend_spprintf(error, 0, "class '%.*s' not found", name_len, name->val); } STR_ALLOCA_FREE(lcname, use_heap); return ret; } /* }}} */ static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error TSRMLS_DC) /* {{{ */ { zend_class_entry *ce_org = fcc->calling_scope; int retval = 0; zend_string *mname, *cname; zend_string *lmname; const char *colon; int clen, mlen; zend_class_entry *last_scope; HashTable *ftable; int call_via_handler = 0; ALLOCA_FLAG(use_heap) if (error) { *error = NULL; } fcc->calling_scope = NULL; fcc->function_handler = NULL; if (!ce_org) { zend_string *lmname; /* Skip leading \ */ if (UNEXPECTED(Z_STRVAL_P(callable)[0] == '\\')) { STR_ALLOCA_INIT(lmname, Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1, use_heap); } else { lmname = Z_STR_P(callable); } /* Check if function with given name exists. * This may be a compound name that includes namespace name */ if (EXPECTED((fcc->function_handler = zend_hash_find_ptr(EG(function_table), lmname)) != NULL)) { if (lmname != Z_STR_P(callable)) { STR_ALLOCA_FREE(lmname, use_heap); } return 1; } else { if (lmname == Z_STR_P(callable)) { STR_ALLOCA_INIT(lmname, Z_STRVAL_P(callable), Z_STRLEN_P(callable), use_heap); } else { STR_FORGET_HASH_VAL(lmname); } zend_str_tolower(lmname->val, lmname->len); if ((fcc->function_handler = zend_hash_find_ptr(EG(function_table), lmname)) != NULL) { STR_ALLOCA_FREE(lmname, use_heap); return 1; } } if (lmname != Z_STR_P(callable)) { STR_ALLOCA_FREE(lmname, use_heap); } } /* Split name into class/namespace and method/function names */ if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL && colon > Z_STRVAL_P(callable) && *(colon-1) == ':' ) { colon--; clen = colon - Z_STRVAL_P(callable); mlen = Z_STRLEN_P(callable) - clen - 2; if (colon == Z_STRVAL_P(callable)) { if (error) zend_spprintf(error, 0, "invalid function name"); return 0; } /* This is a compound name. * Try to fetch class and then find static method. */ last_scope = EG(scope); if (ce_org) { EG(scope) = ce_org; } cname = STR_INIT(Z_STRVAL_P(callable), clen, 0); if (!zend_is_callable_check_class(cname, fcc, &strict_class, error TSRMLS_CC)) { STR_RELEASE(cname); EG(scope) = last_scope; return 0; } STR_RELEASE(cname); EG(scope) = last_scope; ftable = &fcc->calling_scope->function_table; if (ce_org && !instanceof_function(ce_org, fcc->calling_scope TSRMLS_CC)) { if (error) zend_spprintf(error, 0, "class '%s' is not a subclass of '%s'", ce_org->name->val, fcc->calling_scope->name->val); return 0; } mname = STR_INIT(Z_STRVAL_P(callable) + clen + 2, mlen, 0); } else if (ce_org) { /* Try to fetch find static method of given class. */ mlen = Z_STRLEN_P(callable); mname = Z_STR_P(callable); STR_ADDREF(mname); ftable = &ce_org->function_table; fcc->calling_scope = ce_org; } else { /* We already checked for plain function before. */ if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable)); } return 0; } lmname = STR_ALLOC(mlen, 0); zend_str_tolower_copy(lmname->val, mname->val, mlen); if (strict_class && fcc->calling_scope && mlen == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1 && !memcmp(lmname->val, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME) - 1)) { fcc->function_handler = fcc->calling_scope->constructor; if (fcc->function_handler) { retval = 1; } } else if ((fcc->function_handler = zend_hash_find_ptr(ftable, lmname)) != NULL) { retval = 1; if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) && !strict_class && EG(scope) && instanceof_function(fcc->function_handler->common.scope, EG(scope) TSRMLS_CC)) { zend_function *priv_fbc; if ((priv_fbc = zend_hash_find_ptr(&EG(scope)->function_table, lmname)) != NULL && priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE && priv_fbc->common.scope == EG(scope)) { fcc->function_handler = priv_fbc; } } if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 && (fcc->calling_scope && ((fcc->object && fcc->calling_scope->__call) || (!fcc->object && fcc->calling_scope->__callstatic)))) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, fcc->object ? zend_get_class_entry(fcc->object TSRMLS_CC) : EG(scope), lmname TSRMLS_CC)) { retval = 0; fcc->function_handler = NULL; goto get_function_via_handler; } } else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) { if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) { retval = 0; fcc->function_handler = NULL; goto get_function_via_handler; } } } } else { get_function_via_handler: if (fcc->object && fcc->calling_scope == ce_org) { if (strict_class && ce_org->__call) { fcc->function_handler = emalloc(sizeof(zend_internal_function)); fcc->function_handler->internal_function.type = ZEND_INTERNAL_FUNCTION; fcc->function_handler->internal_function.module = (ce_org->type == ZEND_INTERNAL_CLASS) ? ce_org->info.internal.module : NULL; fcc->function_handler->internal_function.handler = zend_std_call_user_call; fcc->function_handler->internal_function.arg_info = NULL; fcc->function_handler->internal_function.num_args = 0; fcc->function_handler->internal_function.scope = ce_org; fcc->function_handler->internal_function.fn_flags = ZEND_ACC_CALL_VIA_HANDLER; fcc->function_handler->internal_function.function_name = mname; STR_ADDREF(mname); call_via_handler = 1; retval = 1; } else if (fcc->object->handlers->get_method) { fcc->function_handler = fcc->object->handlers->get_method(&fcc->object, mname, NULL TSRMLS_CC); if (fcc->function_handler) { if (strict_class && (!fcc->function_handler->common.scope || !instanceof_function(ce_org, fcc->function_handler->common.scope TSRMLS_CC))) { if ((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0) { if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) { STR_RELEASE(fcc->function_handler->common.function_name); } efree(fcc->function_handler); } } else { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0; } } } } else if (fcc->calling_scope) { if (fcc->calling_scope->get_static_method) { fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname TSRMLS_CC); } else { fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, NULL TSRMLS_CC); } if (fcc->function_handler) { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0; if (call_via_handler && !fcc->object && Z_OBJ(EG(This)) && Z_OBJ_HT(EG(This))->get_class_entry && instanceof_function(Z_OBJCE(EG(This)), fcc->calling_scope TSRMLS_CC)) { fcc->object = Z_OBJ(EG(This)); } } } } if (retval) { if (fcc->calling_scope && !call_via_handler) { if (!fcc->object && (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT)) { if (error) { zend_spprintf(error, 0, "cannot call abstract method %s::%s()", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val); retval = 0; } else { zend_error(E_ERROR, "Cannot call abstract method %s::%s()", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val); } } else if (!fcc->object && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) { int severity; char *verb; if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) { severity = E_STRICT; verb = "should not"; } else { /* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */ severity = E_ERROR; verb = "cannot"; } if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) { retval = 0; } if (Z_OBJ(EG(This)) && instanceof_function(Z_OBJCE(EG(This)), fcc->calling_scope TSRMLS_CC)) { fcc->object = Z_OBJ(EG(This)); if (error) { zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically, assuming $this from compatible context %s", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val, verb, Z_OBJCE(EG(This))->name->val); if (severity == E_ERROR) { retval = 0; } } else if (retval) { zend_error(severity, "Non-static method %s::%s() %s be called statically, assuming $this from compatible context %s", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val, verb, Z_OBJCE(EG(This))->name->val); } } else { if (error) { zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val, verb); if (severity == E_ERROR) { retval = 0; } } else if (retval) { zend_error(severity, "Non-static method %s::%s() %s be called statically", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val, verb); } } } if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, fcc->object ? zend_get_class_entry(fcc->object TSRMLS_CC) : EG(scope), lmname TSRMLS_CC)) { if (error) { if (*error) { efree(*error); } zend_spprintf(error, 0, "cannot access private method %s::%s()", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val); } retval = 0; } } else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) { if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) { if (error) { if (*error) { efree(*error); } zend_spprintf(error, 0, "cannot access protected method %s::%s()", fcc->calling_scope->name->val, fcc->function_handler->common.function_name->val); } retval = 0; } } } } } else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { if (fcc->calling_scope) { if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", fcc->calling_scope->name->val, mname->val); } else { if (error) zend_spprintf(error, 0, "function '%s' does not exist", mname->val); } } STR_FREE(lmname); STR_RELEASE(mname); if (fcc->object) { fcc->called_scope = zend_get_class_entry(fcc->object TSRMLS_CC); } if (retval) { fcc->initialized = 1; } return retval; } /* }}} */ ZEND_API zend_bool zend_is_callable_ex(zval *callable, zend_object *object, uint check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error TSRMLS_DC) /* {{{ */ { zend_bool ret; zend_fcall_info_cache fcc_local; if (callable_name) { *callable_name = NULL; } if (fcc == NULL) { fcc = &fcc_local; } if (error) { *error = NULL; } fcc->initialized = 0; fcc->calling_scope = NULL; fcc->called_scope = NULL; fcc->function_handler = NULL; fcc->calling_scope = NULL; fcc->object = NULL; if (object && (!EG(objects_store).object_buckets || !IS_OBJ_VALID(EG(objects_store).object_buckets[object->handle]))) { return 0; } switch (Z_TYPE_P(callable)) { case IS_STRING: if (object) { fcc->object = object; fcc->calling_scope = zend_get_class_entry(object TSRMLS_CC); if (callable_name) { char *ptr; *callable_name = STR_ALLOC(fcc->calling_scope->name->len + Z_STRLEN_P(callable) + sizeof("::") - 1, 0); ptr = (*callable_name)->val; memcpy(ptr, fcc->calling_scope->name->val, fcc->calling_scope->name->len); ptr += fcc->calling_scope->name->len; memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_P(callable), Z_STRLEN_P(callable) + 1); } } else if (callable_name) { *callable_name = STR_COPY(Z_STR_P(callable)); } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { fcc->called_scope = fcc->calling_scope; return 1; } ret = zend_is_callable_check_func(check_flags, callable, fcc, 0, error TSRMLS_CC); if (fcc == &fcc_local && fcc->function_handler && ((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION && (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) || fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY || fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) { if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) { STR_RELEASE(fcc->function_handler->common.function_name); } efree(fcc->function_handler); } return ret; case IS_ARRAY: { zval *method = NULL; zval *obj = NULL; int strict_class = 0; if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { obj = zend_hash_index_find(Z_ARRVAL_P(callable), 0); method = zend_hash_index_find(Z_ARRVAL_P(callable), 1); } do { if (obj == NULL || method == NULL) { break; } ZVAL_DEREF(method); if (Z_TYPE_P(method) != IS_STRING) { break; } ZVAL_DEREF(obj); if (Z_TYPE_P(obj) == IS_STRING) { if (callable_name) { char *ptr; *callable_name = STR_ALLOC(Z_STRLEN_P(obj) + Z_STRLEN_P(method) + sizeof("::") - 1, 0); ptr = (*callable_name)->val; memcpy(ptr, Z_STRVAL_P(obj), Z_STRLEN_P(obj)); ptr += Z_STRLEN_P(obj); memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_P(method), Z_STRLEN_P(method) + 1); } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { return 1; } if (!zend_is_callable_check_class(Z_STR_P(obj), fcc, &strict_class, error TSRMLS_CC)) { return 0; } } else if (Z_TYPE_P(obj) == IS_OBJECT) { if (!EG(objects_store).object_buckets || !IS_OBJ_VALID(EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(obj)])) { return 0; } fcc->calling_scope = Z_OBJCE_P(obj); /* TBFixed: what if it's overloaded? */ fcc->object = Z_OBJ_P(obj); if (callable_name) { char *ptr; *callable_name = STR_ALLOC(fcc->calling_scope->name->len + Z_STRLEN_P(method) + sizeof("::") - 1, 0); ptr = (*callable_name)->val; memcpy(ptr, fcc->calling_scope->name->val, fcc->calling_scope->name->len); ptr += fcc->calling_scope->name->len; memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_P(method), Z_STRLEN_P(method) + 1); } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { fcc->called_scope = fcc->calling_scope; return 1; } } else { break; } ret = zend_is_callable_check_func(check_flags, method, fcc, strict_class, error TSRMLS_CC); if (fcc == &fcc_local && fcc->function_handler && ((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION && (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) || fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY || fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) { if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) { STR_RELEASE(fcc->function_handler->common.function_name); } efree(fcc->function_handler); } return ret; } while (0); if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { if (!obj || (!Z_ISREF_P(obj)? (Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT) : (Z_TYPE_P(Z_REFVAL_P(obj)) != IS_STRING && Z_TYPE_P(Z_REFVAL_P(obj)) != IS_OBJECT))) { if (error) zend_spprintf(error, 0, "first array member is not a valid class name or object"); } else { if (error) zend_spprintf(error, 0, "second array member is not a valid method"); } } else { if (error) zend_spprintf(error, 0, "array must have exactly two members"); } if (callable_name) { *callable_name = STR_INIT("Array", sizeof("Array")-1, 0); } } return 0; case IS_OBJECT: if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &fcc->calling_scope, &fcc->function_handler, &fcc->object TSRMLS_CC) == SUCCESS) { fcc->called_scope = fcc->calling_scope; if (callable_name) { zend_class_entry *ce = Z_OBJCE_P(callable); /* TBFixed: what if it's overloaded? */ *callable_name = STR_ALLOC(ce->name->len + sizeof("::__invoke") - 1, 0); memcpy((*callable_name)->val, ce->name->val, ce->name->len); memcpy((*callable_name)->val + ce->name->len, "::__invoke", sizeof("::__invoke")); } return 1; } /* break missing intentionally */ default: if (callable_name) { *callable_name = zval_get_string(callable); } if (error) zend_spprintf(error, 0, "no array or string given"); return 0; } } /* }}} */ ZEND_API zend_bool zend_is_callable(zval *callable, uint check_flags, zend_string **callable_name TSRMLS_DC) /* {{{ */ { return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL TSRMLS_CC); } /* }}} */ ZEND_API zend_bool zend_make_callable(zval *callable, zend_string **callable_name TSRMLS_DC) /* {{{ */ { zend_fcall_info_cache fcc; if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, &fcc, NULL TSRMLS_CC)) { if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) { zval_dtor(callable); array_init(callable); add_next_index_str(callable, STR_COPY(fcc.calling_scope->name)); add_next_index_str(callable, STR_COPY(fcc.function_handler->common.function_name)); } if (fcc.function_handler && ((fcc.function_handler->type == ZEND_INTERNAL_FUNCTION && (fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) || fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY || fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) { if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) { STR_RELEASE(fcc.function_handler->common.function_name); } efree(fcc.function_handler); } return 1; } return 0; } /* }}} */ ZEND_API int zend_fcall_info_init(zval *callable, uint check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, zend_string **callable_name, char **error TSRMLS_DC) /* {{{ */ { if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, fcc, error TSRMLS_CC)) { return FAILURE; } fci->size = sizeof(*fci); fci->function_table = fcc->calling_scope ? &fcc->calling_scope->function_table : EG(function_table); fci->object = fcc->object; ZVAL_COPY_VALUE(&fci->function_name, callable); fci->retval = NULL; fci->param_count = 0; fci->params = NULL; fci->no_separation = 1; fci->symbol_table = NULL; return SUCCESS; } /* }}} */ ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */ { if (fci->params) { int i; for (i = 0; i < fci->param_count; i++) { zval_ptr_dtor(&fci->params[i]); } if (free_mem) { efree(fci->params); fci->params = NULL; } } fci->param_count = 0; } /* }}} */ ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, int *param_count, zval **params) /* {{{ */ { *param_count = fci->param_count; *params = fci->params; fci->param_count = 0; fci->params = NULL; } /* }}} */ ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, int param_count, zval *params) /* {{{ */ { zend_fcall_info_args_clear(fci, 1); fci->param_count = param_count; fci->params = params; } /* }}} */ ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args TSRMLS_DC) /* {{{ */ { zval *arg, *params; zend_fcall_info_args_clear(fci, !args); if (!args) { return SUCCESS; } if (Z_TYPE_P(args) != IS_ARRAY) { return FAILURE; } fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args)); fci->params = params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(args), arg) { ZVAL_COPY(params, arg); params++; } ZEND_HASH_FOREACH_END(); return SUCCESS; } /* }}} */ ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci TSRMLS_DC, int argc, zval *argv) /* {{{ */ { int i; if (argc < 0) { return FAILURE; } zend_fcall_info_args_clear(fci, !argc); if (argc) { fci->param_count = argc; fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); for (i = 0; i < argc; ++i) { ZVAL_COPY_VALUE(&fci->params[i], &argv[i]); } } return SUCCESS; } /* }}} */ ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci TSRMLS_DC, int argc, va_list *argv) /* {{{ */ { int i; zval *arg; if (argc < 0) { return FAILURE; } zend_fcall_info_args_clear(fci, !argc); if (argc) { fci->param_count = argc; fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval)); for (i = 0; i < argc; ++i) { arg = va_arg(*argv, zval *); ZVAL_COPY_VALUE(&fci->params[i], arg); } } return SUCCESS; } /* }}} */ ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci TSRMLS_DC, int argc, ...) /* {{{ */ { int ret; va_list argv; va_start(argv, argc); ret = zend_fcall_info_argv(fci TSRMLS_CC, argc, &argv); va_end(argv); return ret; } /* }}} */ ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval *retval_ptr, zval *args TSRMLS_DC) /* {{{ */ { zval retval, *org_params = NULL; int result, org_count = 0; fci->retval = retval_ptr ? retval_ptr : &retval; if (args) { zend_fcall_info_args_save(fci, &org_count, &org_params); zend_fcall_info_args(fci, args TSRMLS_CC); } result = zend_call_function(fci, fcc TSRMLS_CC); if (!retval_ptr && Z_TYPE(retval) != IS_UNDEF) { zval_ptr_dtor(&retval); } if (args) { zend_fcall_info_args_restore(fci, org_count, org_params); } return result; } /* }}} */ ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */ { zend_string *lname; int name_len = strlen(module_name); zend_module_entry *module; lname = STR_ALLOC(name_len, 0); zend_str_tolower_copy(lname->val, module_name, name_len); module = zend_hash_find_ptr(&module_registry, lname); STR_FREE(lname); return module ? module->version : NULL; } /* }}} */ ZEND_API int zend_declare_property_ex(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment TSRMLS_DC) /* {{{ */ { zend_property_info *property_info, *property_info_ptr; if (ce->type == ZEND_INTERNAL_CLASS) { property_info = pemalloc(sizeof(zend_property_info), 1); } else { property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info)); } if (Z_CONSTANT_P(property)) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; } if (!(access_type & ZEND_ACC_PPP_MASK)) { access_type |= ZEND_ACC_PUBLIC; } if (access_type & ZEND_ACC_STATIC) { if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL && (property_info_ptr->flags & ZEND_ACC_STATIC) != 0) { property_info->offset = property_info_ptr->offset; zval_ptr_dtor(&ce->default_static_members_table[property_info->offset]); zend_hash_del(&ce->properties_info, name); } else { property_info->offset = ce->default_static_members_count++; ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval) * ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS); } ZVAL_COPY_VALUE(&ce->default_static_members_table[property_info->offset], property); if (ce->type == ZEND_USER_CLASS) { ce->static_members_table = ce->default_static_members_table; } } else { if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL && (property_info_ptr->flags & ZEND_ACC_STATIC) == 0) { property_info->offset = property_info_ptr->offset; zval_ptr_dtor(&ce->default_properties_table[property_info->offset]); zend_hash_del(&ce->properties_info, name); } else { property_info->offset = ce->default_properties_count++; ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS); } ZVAL_COPY_VALUE(&ce->default_properties_table[property_info->offset], property); } if (ce->type & ZEND_INTERNAL_CLASS) { switch(Z_TYPE_P(property)) { case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources"); break; default: break; } } switch (access_type & ZEND_ACC_PPP_MASK) { case ZEND_ACC_PRIVATE: { property_info->name = zend_mangle_property_name(ce->name->val, ce->name->len, name->val, name->len, ce->type & ZEND_INTERNAL_CLASS); } break; case ZEND_ACC_PROTECTED: { property_info->name = zend_mangle_property_name("*", 1, name->val, name->len, ce->type & ZEND_INTERNAL_CLASS); } break; case ZEND_ACC_PUBLIC: property_info->name = STR_COPY(name); break; } property_info->name = zend_new_interned_string(property_info->name TSRMLS_CC); property_info->flags = access_type; property_info->doc_comment = doc_comment; property_info->ce = ce; zend_hash_update_ptr(&ce->properties_info, name, property_info); return SUCCESS; } /* }}} */ ZEND_API int zend_declare_property(zend_class_entry *ce, const char *name, int name_length, zval *property, int access_type TSRMLS_DC) /* {{{ */ { zend_string *key = STR_INIT(name, name_length, ce->type & ZEND_INTERNAL_CLASS); int ret = zend_declare_property_ex(ce, key, property, access_type, NULL TSRMLS_CC); STR_RELEASE(key); return ret; } /* }}} */ ZEND_API int zend_declare_property_null(zend_class_entry *ce, const char *name, int name_length, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_NULL(&property); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_bool(zend_class_entry *ce, const char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_BOOL(&property, value); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_long(zend_class_entry *ce, const char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_LONG(&property, value); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_double(zend_class_entry *ce, const char *name, int name_length, double value, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_DOUBLE(&property, value); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_string(zend_class_entry *ce, const char *name, int name_length, const char *value, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_NEW_STR(&property, STR_INIT(value, strlen(value), ce->type & ZEND_INTERNAL_CLASS)); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, const char *name, int name_length, const char *value, int value_len, int access_type TSRMLS_DC) /* {{{ */ { zval property; ZVAL_NEW_STR(&property, STR_INIT(value, value_len, ce->type & ZEND_INTERNAL_CLASS)); return zend_declare_property(ce, name, name_length, &property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value TSRMLS_DC) /* {{{ */ { if (Z_CONSTANT_P(value)) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; } return zend_hash_str_update(&ce->constants_table, name, name_length, value) ? SUCCESS : FAILURE; } /* }}} */ ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length TSRMLS_DC) /* {{{ */ { zval constant; ZVAL_NULL(&constant); return zend_declare_class_constant(ce, name, name_length, &constant TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, long value TSRMLS_DC) /* {{{ */ { zval constant; ZVAL_LONG(&constant, value); return zend_declare_class_constant(ce, name, name_length, &constant TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value TSRMLS_DC) /* {{{ */ { zval constant; ZVAL_BOOL(&constant, value); return zend_declare_class_constant(ce, name, name_length, &constant TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value TSRMLS_DC) /* {{{ */ { zval constant; ZVAL_DOUBLE(&constant, value); return zend_declare_class_constant(ce, name, name_length, &constant TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_length TSRMLS_DC) /* {{{ */ { zval constant; ZVAL_NEW_STR(&constant, STR_INIT(value, value_length, ce->type & ZEND_INTERNAL_CLASS)); return zend_declare_class_constant(ce, name, name_length, &constant TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value TSRMLS_DC) /* {{{ */ { return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value) TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, const char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */ { zval property; zend_class_entry *old_scope = EG(scope); EG(scope) = scope; if (!Z_OBJ_HT_P(object)->write_property) { zend_string *class_name = zend_get_object_classname(Z_OBJ_P(object) TSRMLS_CC); zend_error(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, class_name->val); } ZVAL_STRINGL(&property, name, name_length); Z_OBJ_HT_P(object)->write_property(object, &property, value, -1 TSRMLS_CC); zval_ptr_dtor(&property); EG(scope) = old_scope; } /* }}} */ ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, const char *name, int name_length TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_bool(zend_class_entry *scope, zval *object, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_long(zend_class_entry *scope, zval *object, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_double(zend_class_entry *scope, zval *object, const char *name, int name_length, double value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_str(zend_class_entry *scope, zval *object, const char *name, int name_length, zend_string *value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_STR(&tmp, value); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_string(zend_class_entry *scope, zval *object, const char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, value); Z_SET_REFCOUNT(tmp, 0); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, const char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, value, value_len); Z_SET_REFCOUNT(tmp, 0); zend_update_property(scope, object, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property(zend_class_entry *scope, const char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */ { zval *property; zend_class_entry *old_scope = EG(scope); zend_string *key = STR_INIT(name, name_length, 0); EG(scope) = scope; property = zend_std_get_static_property(scope, key, 0, -1 TSRMLS_CC); EG(scope) = old_scope; STR_FREE(key); if (!property) { return FAILURE; } else { if (property != value) { if (Z_ISREF_P(property)) { zval_dtor(property); ZVAL_COPY_VALUE(property, value); if (Z_REFCOUNT_P(value) > 0) { zval_opt_copy_ctor(property); } } else { zval garbage; ZVAL_COPY_VALUE(&garbage, property); Z_ADDREF_P(value); if (Z_ISREF_P(value)) { SEPARATE_ZVAL(value); } ZVAL_COPY_VALUE(property, value); zval_ptr_dtor(&garbage); } } return SUCCESS; } } /* }}} */ ZEND_API int zend_update_static_property_null(zend_class_entry *scope, const char *name, int name_length TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_NULL(&tmp); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_bool(zend_class_entry *scope, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_BOOL(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_long(zend_class_entry *scope, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_LONG(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_double(zend_class_entry *scope, const char *name, int name_length, double value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_DOUBLE(&tmp, value); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_string(zend_class_entry *scope, const char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_STRING(&tmp, value); Z_SET_REFCOUNT(tmp, 0); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, const char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */ { zval tmp; ZVAL_STRINGL(&tmp, value, value_len); Z_SET_REFCOUNT(tmp, 0); return zend_update_static_property(scope, name, name_length, &tmp TSRMLS_CC); } /* }}} */ ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, const char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */ { zval property, *value; zend_class_entry *old_scope = EG(scope); zval rv; EG(scope) = scope; if (!Z_OBJ_HT_P(object)->read_property) { zend_string *class_name = zend_get_object_classname(Z_OBJ_P(object) TSRMLS_CC); zend_error(E_CORE_ERROR, "Property %s of class %s cannot be read", name, class_name->val); } ZVAL_STRINGL(&property, name, name_length); value = Z_OBJ_HT_P(object)->read_property(object, &property, silent?BP_VAR_IS:BP_VAR_R, -1, &rv TSRMLS_CC); zval_ptr_dtor(&property); EG(scope) = old_scope; return value; } /* }}} */ ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */ { zval *property; zend_class_entry *old_scope = EG(scope); zend_string *key = STR_INIT(name, name_length, 0); EG(scope) = scope; property = zend_std_get_static_property(scope, key, silent, -1 TSRMLS_CC); EG(scope) = old_scope; STR_FREE(key); return property; } /* }}} */ ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC) /* {{{ */ { current->handling = EG(error_handling); current->exception = EG(exception_class); ZVAL_COPY(¤t->user_handler, &EG(user_error_handler)); } /* }}} */ ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC) /* {{{ */ { if (current) { zend_save_error_handling(current TSRMLS_CC); if (error_handling != EH_NORMAL && Z_TYPE(EG(user_error_handler)) != IS_UNDEF) { zval_ptr_dtor(&EG(user_error_handler)); ZVAL_UNDEF(&EG(user_error_handler)); } } EG(error_handling) = error_handling; EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL; } /* }}} */ static int same_zval(zval *zv1, zval *zv2) /* {{{ */ { if (Z_TYPE_P(zv1) != Z_TYPE_P(zv2)) { return 0; } switch (Z_TYPE_P(zv1)) { case IS_UNDEF: case IS_NULL: case IS_FALSE: case IS_TRUE: return 1; case IS_LONG: return Z_LVAL_P(zv1) == Z_LVAL_P(zv2); case IS_DOUBLE: return Z_LVAL_P(zv1) == Z_LVAL_P(zv2); case IS_STRING: case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: return Z_COUNTED_P(zv1) == Z_COUNTED_P(zv2); default: return 0; } } /* }}} */ ZEND_API void zend_restore_error_handling(zend_error_handling *saved TSRMLS_DC) /* {{{ */ { EG(error_handling) = saved->handling; EG(exception_class) = saved->handling == EH_THROW ? saved->exception : NULL; if (Z_TYPE(saved->user_handler) != IS_UNDEF && !same_zval(&saved->user_handler, &EG(user_error_handler))) { zval_ptr_dtor(&EG(user_error_handler)); ZVAL_COPY_VALUE(&EG(user_error_handler), &saved->user_handler); } else if (Z_TYPE(saved->user_handler)) { zval_ptr_dtor(&saved->user_handler); } ZVAL_UNDEF(&saved->user_handler); } /* }}} */ ZEND_API zend_string* zend_find_alias_name(zend_class_entry *ce, zend_string *name) /* {{{ */ { zend_trait_alias *alias, **alias_ptr; if ((alias_ptr = ce->trait_aliases)) { alias = *alias_ptr; while (alias) { if (alias->alias->len == name->len && !strncasecmp(name->val, alias->alias->val, alias->alias->len)) { return alias->alias; } alias_ptr++; alias = *alias_ptr; } } return name; } /* }}} */ ZEND_API zend_string *zend_resolve_method_name(zend_class_entry *ce, zend_function *f) /* {{{ */ { zend_function *func; HashTable *function_table; zend_string *name; if (f->common.type != ZEND_USER_FUNCTION || *(f->op_array.refcount) < 2 || !f->common.scope || !f->common.scope->trait_aliases) { return f->common.function_name; } function_table = &ce->function_table; ZEND_HASH_FOREACH_STR_KEY_PTR(function_table, name, func) { if (func == f) { if (!name) { return f->common.function_name; } if (name->len == f->common.function_name->len && !strncasecmp(name->val, f->common.function_name->val, f->common.function_name->len)) { return f->common.function_name; } return zend_find_alias_name(f->common.scope, name); } } ZEND_HASH_FOREACH_END(); return f->common.function_name; } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */