/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2009 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 */ static int module_count=0; ZEND_API HashTable module_registry; /* this function doesn't check for too many parameters */ ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */ { void **p; int arg_count; va_list ptr; zval **param, *param_ptr; TSRMLS_FETCH(); p = zend_vm_stack_top(TSRMLS_C) - 1; arg_count = (int)(zend_uintptr_t) *p; if (param_count>arg_count) { return FAILURE; } va_start(ptr, param_count); while (param_count-->0) { param = va_arg(ptr, zval **); param_ptr = *(p-arg_count); if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) { zval *new_tmp; ALLOC_ZVAL(new_tmp); *new_tmp = *param_ptr; zval_copy_ctor(new_tmp); INIT_PZVAL(new_tmp); param_ptr = new_tmp; Z_DELREF_P((zval *) *(p-arg_count)); *(p-arg_count) = param_ptr; } *param = param_ptr; arg_count--; } va_end(ptr); return SUCCESS; } /* }}} */ ZEND_API int _zend_get_parameters_array(int ht, int param_count, zval **argument_array TSRMLS_DC) /* {{{ */ { void **p; int arg_count; zval *param_ptr; p = zend_vm_stack_top(TSRMLS_C) - 1; arg_count = (int)(zend_uintptr_t) *p; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { param_ptr = *(p-arg_count); if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) { zval *new_tmp; ALLOC_ZVAL(new_tmp); *new_tmp = *param_ptr; zval_copy_ctor(new_tmp); INIT_PZVAL(new_tmp); param_ptr = new_tmp; Z_DELREF_P((zval *) *(p-arg_count)); *(p-arg_count) = param_ptr; } *(argument_array++) = param_ptr; arg_count--; } return SUCCESS; } /* }}} */ /* Zend-optimized Extended functions */ /* this function doesn't check for too many parameters */ ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */ { void **p; int arg_count; va_list ptr; zval ***param; TSRMLS_FETCH(); p = zend_vm_stack_top(TSRMLS_C) - 1; arg_count = (int)(zend_uintptr_t) *p; if (param_count>arg_count) { return FAILURE; } va_start(ptr, param_count); while (param_count-->0) { param = va_arg(ptr, zval ***); *param = (zval **) p-(arg_count--); } va_end(ptr); return SUCCESS; } /* }}} */ ZEND_API int _zend_get_parameters_array_ex(int param_count, zval ***argument_array TSRMLS_DC) /* {{{ */ { void **p; int arg_count; p = zend_vm_stack_top(TSRMLS_C) - 1; arg_count = (int)(zend_uintptr_t) *p; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { zval **value = (zval**)(p-arg_count); *(argument_array++) = value; arg_count--; } return SUCCESS; } /* }}} */ ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */ { void **p; int arg_count; p = zend_vm_stack_top(TSRMLS_C) - 1; arg_count = (int)(zend_uintptr_t) *p; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { zval **param = (zval **) p-(arg_count--); zval_add_ref(param); add_next_index_zval(argument_array, *param); } return SUCCESS; } /* }}} */ ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */ { char *space; 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_BOOL: 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_ARRAY: return "array"; default: return "unknown"; } } /* }}} */ ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */ { return zend_get_type_by_const(Z_TYPE_P(arg)); } /* }}} */ ZEND_API zend_class_entry *zend_get_class_entry(const zval *zobject TSRMLS_DC) /* {{{ */ { if (Z_OBJ_HT_P(zobject)->get_class_entry) { return Z_OBJ_HT_P(zobject)->get_class_entry(zobject TSRMLS_CC); } else { zend_error(E_ERROR, "Class entry requested for an object without PHP class"); return NULL; } } /* }}} */ /* returns 1 if you need to copy result, 0 if it's already a copy */ ZEND_API int zend_get_object_classname(const zval *object, char **class_name, zend_uint *class_name_len TSRMLS_DC) /* {{{ */ { if (Z_OBJ_HT_P(object)->get_class_name == NULL || Z_OBJ_HT_P(object)->get_class_name(object, class_name, class_name_len, 0 TSRMLS_CC) != SUCCESS) { zend_class_entry *ce = Z_OBJCE_P(object); *class_name = ce->name; *class_name_len = ce->name_length; return 1; } return 0; } /* }}} */ static int parse_arg_object_to_string(zval **arg, char **p, int *pl, int type TSRMLS_DC) /* {{{ */ { if (Z_OBJ_HANDLER_PP(arg, cast_object)) { SEPARATE_ZVAL_IF_NOT_REF(arg); if (Z_OBJ_HANDLER_PP(arg, cast_object)(*arg, *arg, type TSRMLS_CC) == SUCCESS) { *pl = Z_STRLEN_PP(arg); *p = Z_STRVAL_PP(arg); return SUCCESS; } } /* Standard PHP objects */ if (Z_OBJ_HT_PP(arg) == &std_object_handlers || !Z_OBJ_HANDLER_PP(arg, cast_object)) { SEPARATE_ZVAL_IF_NOT_REF(arg); if (zend_std_cast_object_tostring(*arg, *arg, type TSRMLS_CC) == SUCCESS) { *pl = Z_STRLEN_PP(arg); *p = Z_STRVAL_PP(arg); return SUCCESS; } } if (!Z_OBJ_HANDLER_PP(arg, cast_object) && Z_OBJ_HANDLER_PP(arg, get)) { int use_copy; zval *z = Z_OBJ_HANDLER_PP(arg, get)(*arg TSRMLS_CC); Z_ADDREF_P(z); if(Z_TYPE_P(z) != IS_OBJECT) { zval_dtor(*arg); Z_TYPE_P(*arg) = IS_NULL; zend_make_printable_zval(z, *arg, &use_copy); if (!use_copy) { ZVAL_ZVAL(*arg, z, 1, 1); } *pl = Z_STRLEN_PP(arg); *p = Z_STRVAL_PP(arg); return SUCCESS; } zval_ptr_dtor(&z); } return FAILURE; } /* }}} */ static char *zend_parse_arg_impl(int arg_num, zval **arg, va_list *va, char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */ { char *spec_walk = *spec; char c = *spec_walk++; int return_null = 0; /* scan through modifiers */ while (1) { if (*spec_walk == '/') { SEPARATE_ZVAL_IF_NOT_REF(arg); } else if (*spec_walk == '!') { if (Z_TYPE_PP(arg) == IS_NULL) { return_null = 1; } } else { break; } spec_walk++; } switch (c) { case 'l': case 'L': { long *p = va_arg(*va, long *); switch (Z_TYPE_PP(arg)) { case IS_STRING: { double d; int type; if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), p, &d, -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_PP(arg) > LONG_MAX) { *p = LONG_MAX; break; } else if (Z_DVAL_PP(arg) < LONG_MIN) { *p = LONG_MIN; break; } } case IS_NULL: case IS_LONG: case IS_BOOL: convert_to_long_ex(arg); *p = Z_LVAL_PP(arg); break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "long"; } } break; case 'd': { double *p = va_arg(*va, double *); switch (Z_TYPE_PP(arg)) { case IS_STRING: { long l; int type; if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &l, p, -1)) == 0) { return "double"; } else if (type == IS_LONG) { *p = (double) l; } } break; case IS_NULL: case IS_LONG: case IS_DOUBLE: case IS_BOOL: convert_to_double_ex(arg); *p = Z_DVAL_PP(arg); break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "double"; } } break; case 's': { char **p = va_arg(*va, char **); int *pl = va_arg(*va, int *); switch (Z_TYPE_PP(arg)) { case IS_NULL: if (return_null) { *p = NULL; *pl = 0; break; } /* break omitted intentionally */ case IS_STRING: case IS_LONG: case IS_DOUBLE: case IS_BOOL: convert_to_string_ex(arg); *p = Z_STRVAL_PP(arg); *pl = Z_STRLEN_PP(arg); break; case IS_OBJECT: if (parse_arg_object_to_string(arg, p, pl, IS_STRING TSRMLS_CC) == SUCCESS) { break; } case IS_ARRAY: case IS_RESOURCE: default: return "string"; } } break; case 'b': { zend_bool *p = va_arg(*va, zend_bool *); switch (Z_TYPE_PP(arg)) { case IS_NULL: case IS_STRING: case IS_LONG: case IS_DOUBLE: case IS_BOOL: convert_to_boolean_ex(arg); *p = Z_BVAL_PP(arg); break; case IS_ARRAY: case IS_OBJECT: case IS_RESOURCE: default: return "boolean"; } } break; case 'r': { zval **p = va_arg(*va, zval **); if (return_null) { *p = NULL; break; } if (Z_TYPE_PP(arg) == IS_RESOURCE) { *p = *arg; } else { return "resource"; } } break; case 'A': case 'a': { zval **p = va_arg(*va, zval **); if (return_null) { *p = NULL; break; } if (Z_TYPE_PP(arg) == IS_ARRAY || (c == 'A' && Z_TYPE_PP(arg) == IS_OBJECT)) { *p = *arg; } else { return "array"; } } break; case 'H': case 'h': { HashTable **p = va_arg(*va, HashTable **); if (return_null) { *p = NULL; break; } if (Z_TYPE_PP(arg) == IS_ARRAY) { *p = Z_ARRVAL_PP(arg); } else if(c == 'H' && Z_TYPE_PP(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 (return_null) { *p = NULL; break; } if (Z_TYPE_PP(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 (return_null) { *p = NULL; break; } if (Z_TYPE_PP(arg) == IS_OBJECT && (!ce || instanceof_function(Z_OBJCE_PP(arg), ce TSRMLS_CC))) { *p = *arg; } else { if (ce) { return ce->name; } else { return "object"; } } } break; case 'C': { zend_class_entry **lookup, **pce = va_arg(*va, zend_class_entry **); zend_class_entry *ce_base = *pce; if (return_null) { *pce = NULL; break; } convert_to_string_ex(arg); if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &lookup TSRMLS_CC) == FAILURE) { *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, Z_STRVAL_PP(arg)); *pce = NULL; return ""; } } if (!*pce) { zend_spprintf(error, 0, "to be a valid class name, '%s' given", Z_STRVAL_PP(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 (return_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 (return_null) { *p = NULL; } else { *p = *arg; } } break; case 'Z': { zval ***p = va_arg(*va, zval ***); if (return_null) { *p = NULL; } else { *p = arg; } } break; default: return "unknown"; } *spec = spec_walk; return NULL; } /* }}} */ static int zend_parse_arg(int arg_num, zval **arg, va_list *va, char **spec, int quiet TSRMLS_DC) /* {{{ */ { char *expected_type = NULL, *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)) { char *space; 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; } /* }}} */ static int zend_parse_va_args(int num_args, char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */ { char *spec_walk; int c, i; int min_num_args = -1; int max_num_args = 0; 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': 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)->function_state.function; char *class_name = active_function->common.scope ? active_function->common.scope->name : ""; zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted", class_name, class_name[0] ? "::" : "", get_active_function_name(TSRMLS_C)); } 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)->function_state.function; char *class_name = active_function->common.scope ? active_function->common.scope->name : ""; zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters", class_name, class_name[0] ? "::" : "", get_active_function_name(TSRMLS_C)); } return FAILURE; } } if (min_num_args < 0) { min_num_args = max_num_args; } if (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)->function_state.function; char *class_name = active_function->common.scope ? active_function->common.scope->name : ""; zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given", class_name, class_name[0] ? "::" : "", get_active_function_name(TSRMLS_C), min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most", num_args < min_num_args ? min_num_args : max_num_args, (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s", num_args); } return FAILURE; } arg_count = (int)(zend_uintptr_t) *(zend_vm_stack_top(TSRMLS_C) - 1); 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) { int iv = 0; zval **p = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - i)); *n_varargs = num_varargs; /* allocate space for array and store args */ *varargs = safe_emalloc(num_varargs, sizeof(zval **), 0); while (num_varargs-- > 0) { (*varargs)[iv++] = p++; } /* adjust how many args we have left and restart loop */ num_args = num_args + 1 - iv; i += iv; continue; } else { *varargs = NULL; *n_varargs = 0; } } arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count-i)); 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) { efree(*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)) { \ char *__space; \ 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, 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, 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, char *type_spec, ...) /* {{{ */ { va_list va; int retval; char *p = type_spec; zval **object; zend_class_entry *ce; if (!this_ptr) { 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", ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C)); } retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC); va_end(va); } return retval; } /* }}} */ ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...) /* {{{ */ { va_list va; int retval; 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, 0 TSRMLS_CC); va_end(va); } else { p++; RETURN_IF_ZERO_ARGS(num_args-1, 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, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C)); } 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) /* {{{ */ { ALLOC_HASHTABLE_REL(Z_ARRVAL_P(arg)); _zend_hash_init(Z_ARRVAL_P(arg), size, NULL, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC); Z_TYPE_P(arg) = IS_ARRAY; return SUCCESS; } /* }}} */ static int zend_merge_property(zval **value TSRMLS_DC, int num_args, va_list args, const zend_hash_key *hash_key) /* {{{ */ { /* which name should a numeric property have ? */ if (hash_key->nKeyLength) { zval *obj = va_arg(args, zval *); zend_object_handlers *obj_ht = va_arg(args, zend_object_handlers *); zval *member; MAKE_STD_ZVAL(member); ZVAL_STRINGL(member, hash_key->arKey, hash_key->nKeyLength-1, 1); obj_ht->write_property(obj, member, *value TSRMLS_CC); zval_ptr_dtor(&member); } return ZEND_HASH_APPLY_KEEP; } /* }}} */ /* 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, int destroy_ht TSRMLS_DC) /* {{{ */ { zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj); zend_class_entry *old_scope = EG(scope); EG(scope) = Z_OBJCE_P(obj); zend_hash_apply_with_arguments(properties TSRMLS_CC, (apply_func_args_t)zend_merge_property, 2, obj, obj_ht); EG(scope) = old_scope; if (destroy_ht) { zend_hash_destroy(properties); FREE_HASHTABLE(properties); } } /* }}} */ ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC) /* {{{ */ { if (!class_type->constants_updated || !CE_STATIC_MEMBERS(class_type)) { zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry); zend_class_entry *old_scope = *scope; *scope = class_type; zend_hash_apply_with_argument(&class_type->constants_table, (apply_func_arg_t) zval_update_constant, (void*)1 TSRMLS_CC); zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC); if (!CE_STATIC_MEMBERS(class_type)) { HashPosition pos; zval **p; if (class_type->parent) { zend_update_class_constants(class_type->parent TSRMLS_CC); } #if ZTS ALLOC_HASHTABLE(CG(static_members)[(zend_intptr_t)(class_type->static_members)]); #else ALLOC_HASHTABLE(class_type->static_members); #endif zend_hash_init(CE_STATIC_MEMBERS(class_type), zend_hash_num_elements(&class_type->default_static_members), NULL, ZVAL_PTR_DTOR, 0); zend_hash_internal_pointer_reset_ex(&class_type->default_static_members, &pos); while (zend_hash_get_current_data_ex(&class_type->default_static_members, (void**)&p, &pos) == SUCCESS) { char *str_index; uint str_length; ulong num_index; zval **q; zend_hash_get_current_key_ex(&class_type->default_static_members, &str_index, &str_length, &num_index, 0, &pos); if (Z_ISREF_PP(p) && class_type->parent && zend_hash_find(&class_type->parent->default_static_members, str_index, str_length, (void**)&q) == SUCCESS && *p == *q && zend_hash_find(CE_STATIC_MEMBERS(class_type->parent), str_index, str_length, (void**)&q) == SUCCESS ) { Z_ADDREF_PP(q); Z_SET_ISREF_PP(q); zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)q, sizeof(zval*), NULL); } else { zval *q; ALLOC_ZVAL(q); *q = **p; INIT_PZVAL(q); zval_copy_ctor(q); zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)&q, sizeof(zval*), NULL); } zend_hash_move_forward_ex(&class_type->default_static_members, &pos); } } zend_hash_apply_with_argument(CE_STATIC_MEMBERS(class_type), (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC); *scope = old_scope; class_type->constants_updated = 1; } } /* }}} */ /* 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 seperately 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) /* {{{ */ { zval *tmp; zend_object *object; 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" : "abstract class"; zend_error(E_ERROR, "Cannot instantiate %s %s", what, class_type->name); } zend_update_class_constants(class_type TSRMLS_CC); Z_TYPE_P(arg) = IS_OBJECT; if (class_type->create_object == NULL) { Z_OBJVAL_P(arg) = zend_objects_new(&object, class_type TSRMLS_CC); if (properties) { object->properties = properties; } else { ALLOC_HASHTABLE_REL(object->properties); zend_hash_init(object->properties, zend_hash_num_elements(&class_type->default_properties), NULL, ZVAL_PTR_DTOR, 0); zend_hash_copy(object->properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); } } else { Z_OBJVAL_P(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 *tmp; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_null_ex(zval *arg, const char *key, uint key_len) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, uint key_len, int b) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, uint key_len, int r) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, r); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_double_ex(zval *arg, const char *key, uint key_len, double d) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, uint key_len, zval *value) /* {{{ */ { return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_long(zval *arg, ulong index, long n) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_null(zval *arg, ulong index) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_bool(zval *arg, ulong index, int b) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_resource(zval *arg, ulong index, int r) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, r); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_double(zval *arg, ulong index, double d) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_string(zval *arg, ulong index, const char *str, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_stringl(zval *arg, ulong index, const char *str, uint length, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_index_zval(zval *arg, ulong index, zval *value) /* {{{ */ { return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &value, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_long(zval *arg, long n) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_null(zval *arg) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_resource(zval *arg, int r) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, r); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_string(zval *arg, const char *str, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_stringl(zval *arg, const char *str, uint length, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */ { return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &value, sizeof(zval *), NULL); } /* }}} */ ZEND_API int add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str, void **dest, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_get_assoc_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length, void **dest, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_get_index_long(zval *arg, ulong index, long l, void **dest) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, l); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_get_index_double(zval *arg, ulong index, double d, void **dest) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_get_index_string(zval *arg, ulong index, const char *str, void **dest, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_get_index_stringl(zval *arg, ulong index, const char *str, uint length, void **dest, int duplicate) /* {{{ */ { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest); } /* }}} */ ZEND_API int add_property_long_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */ { zval *tmp; zval *z_key; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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, long n TSRMLS_DC) /* {{{ */ { zval *tmp; zval *z_key; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, n); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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, char *str, int duplicate TSRMLS_DC) /* {{{ */ { zval *tmp; zval *z_key; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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, char *str, uint length, int duplicate TSRMLS_DC) /* {{{ */ { zval *tmp; zval *z_key; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp 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; MAKE_STD_ZVAL(z_key); ZVAL_STRINGL(z_key, key, key_len-1, 1); Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, value 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; char *lcname; if (module->module_started) { return SUCCESS; } module->module_started = 1; /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_REQUIRED) { zend_module_entry *req_mod; name_len = strlen(dep->name); lcname = zend_str_tolower_dup(dep->name, name_len); if (zend_hash_find(&module_registry, lcname, name_len+1, (void**)&req_mod) == FAILURE || !req_mod->module_started) { efree(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name); module->module_started = 0; return FAILURE; } efree(lcname); } ++dep; } } /* Initialize module globals */ if (module->globals_size) { #ifdef ZTS ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor); #else if (module->globals_ctor) { module->globals_ctor(module->globals_ptr 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 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*)(*b1)->pData; 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*)(*b2)->pData; if (strcasecmp(dep->name, r->name) == 0) { tmp = *b1; *b1 = *b2; *b2 = tmp; goto try_again; } b2++; } } dep++; } } b1++; } } /* }}} */ 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, (apply_func_t)zend_startup_module_ex TSRMLS_CC); return SUCCESS; } /* }}} */ ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */ { int name_len; char *lcname; zend_module_entry *module_ptr; if (!module) { return NULL; } #if 0 zend_printf("%s: Registering module %d\n", module->name, module->module_number); #endif /* Check module dependencies */ if (module->deps) { const zend_module_dep *dep = module->deps; while (dep->name) { if (dep->type == MODULE_DEP_CONFLICTS) { name_len = strlen(dep->name); lcname = zend_str_tolower_dup(dep->name, name_len); if (zend_hash_exists(&module_registry, lcname, name_len+1)) { efree(lcname); /* TODO: Check version relationship */ zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name); return NULL; } efree(lcname); } ++dep; } } name_len = strlen(module->name); lcname = zend_str_tolower_dup(module->name, name_len); if (zend_hash_add(&module_registry, lcname, name_len+1, (void *)module, sizeof(zend_module_entry), (void**)&module_ptr)==FAILURE) { zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name); efree(lcname); return NULL; } efree(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 = strlen(fptr->common.function_name); zend_str_tolower_copy(lcname, fptr->common.function_name, MIN(name_len, sizeof(lcname)-1)); lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */ if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME)) && fptr->common.num_args != 0) { zend_error(error_type, "Destructor %s::%s() cannot take arguments", ce->name, ZEND_DESTRUCTOR_FUNC_NAME); } else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)) && fptr->common.num_args != 0) { zend_error(error_type, "Method %s::%s() cannot accept any arguments", ce->name, ZEND_CLONE_FUNC_NAME); } else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME))) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_GET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_GET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME))) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_SET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_SET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME))) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_UNSET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_UNSET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME))) { if (fptr->common.num_args != 1) { zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_ISSET_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_ISSET_FUNC_NAME); } } else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME))) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALL_FUNC_NAME); } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) { zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALL_FUNC_NAME); } } else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) ) { if (fptr->common.num_args != 2) { zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, 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, 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, ZEND_TOSTRING_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; char *lowercase_name; int fname_len; 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 = strlen(scope->name); if ((lc_class_name = zend_memrchr(scope->name, '\\', class_name_len))) { ++lc_class_name; class_name_len -= (lc_class_name - scope->name); lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len); } else { lc_class_name = zend_str_tolower_dup(scope->name, class_name_len); } } while (ptr->fname) { internal_function->handler = ptr->handler; internal_function->function_name = (char*)ptr->fname; internal_function->scope = scope; internal_function->prototype = NULL; if (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 (ptr->arg_info[0].required_num_args == -1) { internal_function->required_num_args = ptr->num_args; } else { internal_function->required_num_args = ptr->arg_info[0].required_num_args; } internal_function->pass_rest_by_reference = ptr->arg_info[0].pass_by_reference; internal_function->return_reference = ptr->arg_info[0].return_reference; } else { internal_function->arg_info = NULL; internal_function->num_args = 0; internal_function->required_num_args = 0; internal_function->pass_rest_by_reference = 0; internal_function->return_reference = 0; } 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 : "", 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->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 : "", scope ? "::" : "", ptr->fname); } } else { if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) { efree(lc_class_name); zend_error(error_type, "Interface %s cannot contain non abstract method %s()", scope->name, ptr->fname); return FAILURE; } if (!internal_function->handler) { if (scope) { efree(lc_class_name); } zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? scope->name : "", scope ? "::" : "", ptr->fname); zend_unregister_functions(functions, count, target_function_table TSRMLS_CC); return FAILURE; } } fname_len = strlen(ptr->fname); lowercase_name = zend_str_tolower_dup(ptr->fname, fname_len); if (zend_hash_add(target_function_table, lowercase_name, fname_len+1, &function, sizeof(zend_function), (void**)®_function) == FAILURE) { unload=1; efree(lowercase_name); break; } if (scope) { /* Look for ctor, dtor, clone * If it's an old-style constructor, store it only if we don't have * a constructor already. */ if ((fname_len == class_name_len) && !memcmp(lowercase_name, lc_class_name, class_name_len+1) && !ctor) { ctor = reg_function; } else if ((fname_len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME))) { ctor = reg_function; } else if ((fname_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME))) { dtor = reg_function; if (internal_function->num_args) { zend_error(error_type, "Destructor %s::%s() cannot take arguments", scope->name, ptr->fname); } } else if ((fname_len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME))) { clone = reg_function; } else if ((fname_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME))) { __call = reg_function; } else if ((fname_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME))) { __callstatic = reg_function; } else if ((fname_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME))) { __tostring = reg_function; } else if ((fname_len == sizeof(ZEND_GET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME))) { __get = reg_function; } else if ((fname_len == sizeof(ZEND_SET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME))) { __set = reg_function; } else if ((fname_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME))) { __unset = reg_function; } else if ((fname_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME))) { __isset = reg_function; } else { reg_function = NULL; } if (reg_function) { zend_check_magic_method_implementation(scope, reg_function, error_type TSRMLS_CC); } } ptr++; count++; efree(lowercase_name); } if (unload) { /* before unloading, display all remaining bad function in the module */ if (scope) { efree(lc_class_name); } while (ptr->fname) { fname_len = strlen(ptr->fname); lowercase_name = zend_str_tolower_dup(ptr->fname, fname_len); if (zend_hash_exists(target_function_table, lowercase_name, fname_len+1)) { zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? scope->name : "", scope ? "::" : "", ptr->fname); } efree(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; 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, ctor->common.function_name); } ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (dtor) { dtor->common.fn_flags |= ZEND_ACC_DTOR; if (dtor->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Destructor %s::%s() cannot be static", scope->name, dtor->common.function_name); } dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (clone) { clone->common.fn_flags |= ZEND_ACC_CLONE; if (clone->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name, clone->common.function_name); } clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__call) { if (__call->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __call->common.function_name); } __call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__callstatic) { if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) { zend_error(error_type, "Method %s::%s() must be static", scope->name, __callstatic->common.function_name); } __callstatic->common.fn_flags |= ZEND_ACC_STATIC; } if (__tostring) { if (__tostring->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __tostring->common.function_name); } __tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__get) { if (__get->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __get->common.function_name); } __get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__set) { if (__set->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __set->common.function_name); } __set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__unset) { if (__unset->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __unset->common.function_name); } __unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } if (__isset) { if (__isset->common.fn_flags & ZEND_ACC_STATIC) { zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __isset->common.function_name); } __isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC; } efree(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; if (!target_function_table) { target_function_table = CG(function_table); } while (ptr->fname) { if (count!=-1 && i>=count) { break; } #if 0 zend_printf("Unregistering %s()\n", ptr->fname); #endif zend_hash_del(target_function_table, ptr->fname, strlen(ptr->fname)+1); ptr++; i++; } } /* }}} */ ZEND_API int zend_startup_module(zend_module_entry *module) /* {{{ */ { TSRMLS_FETCH(); 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; return (zend_hash_find(&module_registry, module_name, strlen(module_name)+1, (void**)&module) == SUCCESS && module->module_started) ? SUCCESS : FAILURE; } /* }}} */ void module_destructor(zend_module_entry *module) /* {{{ */ { TSRMLS_FETCH(); if (module->type == MODULE_TEMPORARY) { zend_clean_module_rsrc_dtors(module->module_number TSRMLS_CC); clean_module_constants(module->module_number TSRMLS_CC); } if (module->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 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 || defined(HAVE_MACH_O_DYLD_H) #if !(defined(NETWARE) && defined(APACHE_1_BUILD)) if (module->handle) { DL_UNLOAD(module->handle); } #endif #endif } /* }}} */ /* call request startup for all modules */ int module_registry_request_startup(zend_module_entry *module TSRMLS_DC) /* {{{ */ { if (module->request_startup_func) { #if 0 zend_printf("%s: Request startup\n", module->name); #endif if (module->request_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) { zend_error(E_WARNING, "request_startup() for %s module failed", module->name); exit(1); } } return 0; } /* }}} */ /* call request shutdown for all modules */ int module_registry_cleanup(zend_module_entry *module TSRMLS_DC) /* {{{ */ { 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; } /* }}} */ 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; } /* }}} */ /* return the next free module number */ int zend_next_free_module(void) /* {{{ */ { return ++module_count; } /* }}} */ 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)); char *lowercase_name = malloc(orig_class_entry->name_length + 1); *class_entry = *orig_class_entry; class_entry->type = ZEND_INTERNAL_CLASS; zend_initialize_class_data(class_entry, 0 TSRMLS_CC); class_entry->ce_flags = ce_flags; class_entry->module = EG(current_module); if (class_entry->builtin_functions) { zend_register_functions(class_entry, class_entry->builtin_functions, &class_entry->function_table, MODULE_PERSISTENT TSRMLS_CC); } zend_str_tolower_copy(lowercase_name, orig_class_entry->name, class_entry->name_length); zend_hash_update(CG(class_table), lowercase_name, class_entry->name_length+1, &class_entry, sizeof(zend_class_entry *), NULL); free(lowercase_name); return class_entry; } /* }}} */ /* If parent_ce is not NULL then it inherits from parent_ce * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it * If both parent_ce and parent_name are NULL it does a regular class registration * If parent_name is specified but not found NULL is returned */ ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce, char *parent_name TSRMLS_DC) /* {{{ */ { zend_class_entry *register_class; if (!parent_ce && parent_name) { zend_class_entry **pce; if (zend_hash_find(CG(class_table), parent_name, strlen(parent_name)+1, (void **) &pce)==FAILURE) { return NULL; } else { parent_ce = *pce; } } register_class = zend_register_internal_class(class_entry TSRMLS_CC); if (parent_ce) { zend_do_inheritance(register_class, parent_ce 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) /* {{{ */ { char *lcname = zend_str_tolower_dup(name, name_len); int ret; ret = zend_hash_add(CG(class_table), lcname, name_len+1, &ce, sizeof(zend_class_entry *), NULL); efree(lcname); if (ret == SUCCESS) { ce->refcount++; } return ret; } /* }}} */ 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; Z_SET_ISREF_TO_P(symbol, is_ref); va_start(symbol_table_list, num_symbol_tables); while (num_symbol_tables-- > 0) { symbol_table = va_arg(symbol_table_list, HashTable *); zend_hash_update(symbol_table, name, name_length + 1, &symbol, sizeof(zval *), NULL); zval_add_ref(&symbol); } va_end(symbol_table_list); return SUCCESS; } /* }}} */ /* Disabled functions support */ /* {{{ 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) { NULL, NULL, NULL } }; ZEND_API int zend_disable_function(char *function_name, uint function_name_length TSRMLS_DC) /* {{{ */ { if (zend_hash_del(CG(function_table), function_name, function_name_length+1)==FAILURE) { return FAILURE; } disabled_function[0].fname = function_name; return zend_register_functions(NULL, disabled_function, CG(function_table), MODULE_PERSISTENT TSRMLS_CC); } /* }}} */ static zend_object_value display_disabled_class(zend_class_entry *class_type TSRMLS_DC) /* {{{ */ { zend_object_value retval; zend_object *intern; retval = zend_objects_new(&intern, class_type TSRMLS_CC); ALLOC_HASHTABLE(intern->properties); zend_hash_init(intern->properties, 0, NULL, ZVAL_PTR_DTOR, 0); zend_error(E_WARNING, "%s() has been disabled for security reasons", class_type->name); return retval; } /* }}} */ static const zend_function_entry disabled_class_new[] = { { NULL, NULL, NULL } }; ZEND_API int zend_disable_class(char *class_name, uint class_name_length TSRMLS_DC) /* {{{ */ { zend_class_entry disabled_class; zend_str_tolower(class_name, class_name_length); if (zend_hash_del(CG(class_table), class_name, class_name_length+1)==FAILURE) { return FAILURE; } INIT_OVERLOADED_CLASS_ENTRY_EX(disabled_class, class_name, class_name_length, disabled_class_new, NULL, NULL, NULL, NULL, NULL); disabled_class.create_object = display_disabled_class; disabled_class.name_length = class_name_length; zend_register_internal_class(&disabled_class TSRMLS_CC); return SUCCESS; } /* }}} */ static int zend_is_callable_check_class(const char *name, int name_len, zend_fcall_info_cache *fcc, char **error TSRMLS_DC) /* {{{ */ { int ret = 0; zend_class_entry **pce; char *lcname = zend_str_tolower_dup(name, name_len); if (name_len == sizeof("self") - 1 && !memcmp(lcname, "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_ptr) { fcc->object_ptr = EG(This); } ret = 1; } } else if (name_len == sizeof("parent") - 1 && !memcmp(lcname, "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_ptr) { fcc->object_ptr = EG(This); } ret = 1; } } else if (name_len == sizeof("static") - 1 && !memcmp(lcname, "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_ptr) { fcc->object_ptr = EG(This); } ret = 1; } } else if (zend_lookup_class_ex(name, name_len, 1, &pce TSRMLS_CC) == SUCCESS) { zend_class_entry *scope = EG(active_op_array) ? EG(active_op_array)->scope : NULL; fcc->calling_scope = *pce; if (scope && !fcc->object_ptr && EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), scope TSRMLS_CC) && instanceof_function(scope, fcc->calling_scope TSRMLS_CC)) { fcc->object_ptr = EG(This); fcc->called_scope = Z_OBJCE_P(fcc->object_ptr); } else { fcc->called_scope = fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : fcc->calling_scope; } ret = 1; } else { if (error) zend_spprintf(error, 0, "class '%.*s' not found", name_len, name); } efree(lcname); return ret; } /* }}} */ static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, char **error TSRMLS_DC) /* {{{ */ { zend_class_entry *ce_org = fcc->calling_scope; int retval = 0; char *mname, *lmname, *colon; int clen, mlen; zend_class_entry *last_scope; HashTable *ftable; int call_via_handler = 0; if (error) { *error = NULL; } fcc->calling_scope = NULL; fcc->function_handler = NULL; if (!ce_org) { /* Skip leading \ */ if (Z_STRVAL_P(callable)[0] == '\\') { mlen = Z_STRLEN_P(callable) - 1; mname = Z_STRVAL_P(callable) + 1; lmname = zend_str_tolower_dup(Z_STRVAL_P(callable) + 1, mlen); } else { mlen = Z_STRLEN_P(callable); mname = Z_STRVAL_P(callable); lmname = zend_str_tolower_dup(Z_STRVAL_P(callable), mlen); } /* Check if function with given name exists. * This may be a compound name that includes namespace name */ if (zend_hash_find(EG(function_table), lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) { efree(lmname); return 1; } efree(lmname); } /* 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; } if (!zend_is_callable_check_class(Z_STRVAL_P(callable), clen, fcc, error TSRMLS_CC)) { EG(scope) = last_scope; return 0; } 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, fcc->calling_scope->name); return 0; } mname = Z_STRVAL_P(callable) + clen + 2; } else if (ce_org) { /* Try to fetch find static method of given class. */ mlen = Z_STRLEN_P(callable); mname = Z_STRVAL_P(callable); ftable = &ce_org->function_table; fcc->calling_scope = ce_org; } else { /* We already checked for plain function before. */ if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable)); } return 0; } lmname = zend_str_tolower_dup(mname, mlen); if (zend_hash_find(ftable, lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) { retval = 1; if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) && EG(scope) && instanceof_function(fcc->function_handler->common.scope, EG(scope) TSRMLS_CC)) { zend_function *priv_fbc; if (zend_hash_find(&EG(scope)->function_table, lmname, mlen+1, (void **) &priv_fbc)==SUCCESS && 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->calling_scope->__call || fcc->calling_scope->__callstatic))) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen 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_ptr) { if (Z_OBJ_HT_P(fcc->object_ptr)->get_method) { fcc->function_handler = Z_OBJ_HT_P(fcc->object_ptr)->get_method(&fcc->object_ptr, mname, mlen TSRMLS_CC); if (fcc->function_handler) { 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, mlen TSRMLS_CC); } else { fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, mlen TSRMLS_CC); } if (fcc->function_handler) { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0; } } } if (retval) { if (fcc->calling_scope && !call_via_handler) { if (!fcc->object_ptr && !(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 (EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), fcc->calling_scope TSRMLS_CC)) { fcc->object_ptr = 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, fcc->function_handler->common.function_name, verb, Z_OBJCE_P(EG(This))->name); 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, fcc->function_handler->common.function_name, verb, Z_OBJCE_P(EG(This))->name); } } else { if (error) { zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", fcc->calling_scope->name, fcc->function_handler->common.function_name, 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, fcc->function_handler->common.function_name, verb); } } } if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen TSRMLS_CC)) { if (error) { if (*error) { efree(*error); } zend_spprintf(error, 0, "cannot access private method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); } retval = 0; } } else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) { if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) { if (error) { if (*error) { efree(*error); } zend_spprintf(error, 0, "cannot access protected method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); } retval = 0; } } } } } else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { if (fcc->calling_scope) { if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", fcc->calling_scope->name, mname); } else { if (error) zend_spprintf(error, 0, "function '%s' does not exist", mname); } } efree(lmname); if (fcc->object_ptr) { fcc->called_scope = Z_OBJCE_P(fcc->object_ptr); } if (retval) { fcc->initialized = 1; } return retval; } /* }}} */ ZEND_API zend_bool zend_is_callable_ex(zval *callable, zval *object_ptr, uint check_flags, char **callable_name, int *callable_name_len, zend_fcall_info_cache *fcc, char **error TSRMLS_DC) /* {{{ */ { zend_bool ret; int callable_name_len_local; zend_fcall_info_cache fcc_local; if (callable_name) { *callable_name = NULL; } if (callable_name_len == NULL) { callable_name_len = &callable_name_len_local; } 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_ptr = NULL; if (object_ptr && Z_TYPE_P(object_ptr) != IS_OBJECT) { object_ptr = NULL; } if (object_ptr && (!EG(objects_store).object_buckets || !EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(object_ptr)].valid)) { return 0; } switch (Z_TYPE_P(callable)) { case IS_STRING: if (object_ptr) { fcc->object_ptr = object_ptr; fcc->calling_scope = Z_OBJCE_P(object_ptr); if (callable_name) { char *ptr; *callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_P(callable) + sizeof("::") - 1; ptr = *callable_name = emalloc(*callable_name_len + 1); memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length); ptr += fcc->calling_scope->name_length; memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_P(callable), Z_STRLEN_P(callable) + 1); } } else if (callable_name) { *callable_name = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable)); *callable_name_len = Z_STRLEN_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, 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) { efree(fcc->function_handler->common.function_name); } efree(fcc->function_handler); } return ret; case IS_ARRAY: { zval **method = NULL; zval **obj = NULL; if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { zend_hash_index_find(Z_ARRVAL_P(callable), 0, (void **) &obj); zend_hash_index_find(Z_ARRVAL_P(callable), 1, (void **) &method); } if (obj && method && (Z_TYPE_PP(obj) == IS_OBJECT || Z_TYPE_PP(obj) == IS_STRING) && Z_TYPE_PP(method) == IS_STRING) { if (Z_TYPE_PP(obj) == IS_STRING) { if (callable_name) { char *ptr; *callable_name_len = Z_STRLEN_PP(obj) + Z_STRLEN_PP(method) + sizeof("::") - 1; ptr = *callable_name = emalloc(*callable_name_len + 1); memcpy(ptr, Z_STRVAL_PP(obj), Z_STRLEN_PP(obj)); ptr += Z_STRLEN_PP(obj); memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1); } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { return 1; } if (!zend_is_callable_check_class(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj), fcc, error TSRMLS_CC)) { return 0; } } else { if (!EG(objects_store).object_buckets || !EG(objects_store).object_buckets[Z_OBJ_HANDLE_PP(obj)].valid) { return 0; } fcc->calling_scope = Z_OBJCE_PP(obj); /* TBFixed: what if it's overloaded? */ fcc->object_ptr = *obj; if (callable_name) { char *ptr; *callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_PP(method) + sizeof("::") - 1; ptr = *callable_name = emalloc(*callable_name_len + 1); memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length); ptr += fcc->calling_scope->name_length; memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1); } if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) { fcc->called_scope = fcc->calling_scope; return 1; } } ret = zend_is_callable_check_func(check_flags, *method, fcc, 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) { efree(fcc->function_handler->common.function_name); } efree(fcc->function_handler); } return ret; } else { if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) { if (!obj || (Z_TYPE_PP(obj) != IS_STRING && Z_TYPE_PP(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 = estrndup("Array", sizeof("Array")-1); *callable_name_len = sizeof("Array") - 1; } } } 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_ptr 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_len = ce->name_length + sizeof("::__invoke") - 1; *callable_name = emalloc(*callable_name_len + 1); memcpy(*callable_name, ce->name, ce->name_length); memcpy((*callable_name) + ce->name_length, "::__invoke", sizeof("::__invoke")); } return 1; } /* break missing intentionally */ default: if (callable_name) { zval expr_copy; int use_copy; zend_make_printable_zval(callable, &expr_copy, &use_copy); *callable_name = estrndup(Z_STRVAL(expr_copy), Z_STRLEN(expr_copy)); *callable_name_len = Z_STRLEN(expr_copy); zval_dtor(&expr_copy); } 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, char **callable_name TSRMLS_DC) /* {{{ */ { return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL, NULL TSRMLS_CC); } /* }}} */ ZEND_API zend_bool zend_make_callable(zval *callable, char **callable_name TSRMLS_DC) /* {{{ */ { zend_fcall_info_cache fcc; if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, NULL, &fcc, NULL TSRMLS_CC)) { if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) { zval_dtor(callable); array_init(callable); add_next_index_string(callable, fcc.calling_scope->name, 1); add_next_index_string(callable, fcc.function_handler->common.function_name, 1); } 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) { efree(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, char **callable_name, char **error TSRMLS_DC) /* {{{ */ { if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, 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_ptr = fcc->object_ptr; fci->function_name = callable; fci->retval_ptr_ptr = 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) { 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) /* {{{ */ { HashPosition pos; 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_internal_pointer_reset_ex(Z_ARRVAL_P(args), &pos); while (zend_hash_get_current_data_ex(Z_ARRVAL_P(args), (void *) &arg, &pos) == SUCCESS) { *params++ = arg; zend_hash_move_forward_ex(Z_ARRVAL_P(args), &pos); } 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) { 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 **); 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_ptr, zval *args TSRMLS_DC) /* {{{ */ { zval *retval, ***org_params = NULL; int result, org_count = 0; fci->retval_ptr_ptr = retval_ptr_ptr ? retval_ptr_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_ptr && retval) { 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) /* {{{ */ { char *lname; int name_len = strlen(module_name); zend_module_entry *module; lname = zend_str_tolower_dup(module_name, name_len); if (zend_hash_find(&module_registry, lname, name_len + 1, (void**)&module) == FAILURE) { efree(lname); return NULL; } efree(lname); return module->version; } /* }}} */ ZEND_API int zend_declare_property_ex(zend_class_entry *ce, const char *name, int name_length, zval *property, int access_type, char *doc_comment, int doc_comment_len TSRMLS_DC) /* {{{ */ { zend_property_info property_info; HashTable *target_symbol_table; if (!(access_type & ZEND_ACC_PPP_MASK)) { access_type |= ZEND_ACC_PUBLIC; } if (access_type & ZEND_ACC_STATIC) { target_symbol_table = &ce->default_static_members; } else { target_symbol_table = &ce->default_properties; } if (ce->type & ZEND_INTERNAL_CLASS) { switch(Z_TYPE_P(property)) { case IS_ARRAY: case IS_CONSTANT_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: { char *priv_name; int priv_name_length; zend_mangle_property_name(&priv_name, &priv_name_length, ce->name, ce->name_length, name, name_length, ce->type & ZEND_INTERNAL_CLASS); zend_hash_update(target_symbol_table, priv_name, priv_name_length+1, &property, sizeof(zval *), NULL); property_info.name = priv_name; property_info.name_length = priv_name_length; } break; case ZEND_ACC_PROTECTED: { char *prot_name; int prot_name_length; zend_mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length, ce->type & ZEND_INTERNAL_CLASS); zend_hash_update(target_symbol_table, prot_name, prot_name_length+1, &property, sizeof(zval *), NULL); property_info.name = prot_name; property_info.name_length = prot_name_length; } break; case ZEND_ACC_PUBLIC: if (ce->parent) { char *prot_name; int prot_name_length; zend_mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length, ce->type & ZEND_INTERNAL_CLASS); zend_hash_del(target_symbol_table, prot_name, prot_name_length+1); pefree(prot_name, ce->type & ZEND_INTERNAL_CLASS); } zend_hash_update(target_symbol_table, name, name_length+1, &property, sizeof(zval *), NULL); property_info.name = ce->type & ZEND_INTERNAL_CLASS ? zend_strndup(name, name_length) : estrndup(name, name_length); property_info.name_length = name_length; break; } property_info.flags = access_type; property_info.h = zend_get_hash_value(property_info.name, property_info.name_length+1); property_info.doc_comment = doc_comment; property_info.doc_comment_len = doc_comment_len; property_info.ce = ce; zend_hash_update(&ce->properties_info, name, name_length + 1, &property_info, sizeof(zend_property_info), NULL); return SUCCESS; } /* }}} */ ZEND_API int zend_declare_property(zend_class_entry *ce, char *name, int name_length, zval *property, int access_type TSRMLS_DC) /* {{{ */ { return zend_declare_property_ex(ce, name, name_length, property, access_type, NULL, 0 TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_null(zend_class_entry *ce, char *name, int name_length, int access_type TSRMLS_DC) /* {{{ */ { zval *property; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); } else { ALLOC_ZVAL(property); } INIT_ZVAL(*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, char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */ { zval *property; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); } else { ALLOC_ZVAL(property); } INIT_PZVAL(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, char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */ { zval *property; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); } else { ALLOC_ZVAL(property); } INIT_PZVAL(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, char *name, int name_length, double value, int access_type TSRMLS_DC) /* {{{ */ { zval *property; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); } else { ALLOC_ZVAL(property); } INIT_PZVAL(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, char *name, int name_length, char *value, int access_type TSRMLS_DC) /* {{{ */ { zval *property; int len = strlen(value); if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); ZVAL_STRINGL(property, zend_strndup(value, len), len, 0); } else { ALLOC_ZVAL(property); ZVAL_STRINGL(property, value, len, 1); } INIT_PZVAL(property); return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC); } /* }}} */ ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, char *name, int name_length, char *value, int value_len, int access_type TSRMLS_DC) /* {{{ */ { zval *property; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(property); ZVAL_STRINGL(property, zend_strndup(value, value_len), value_len, 0); } else { ALLOC_ZVAL(property); ZVAL_STRINGL(property, value, value_len, 1); } INIT_PZVAL(property); 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) /* {{{ */ { return zend_hash_update(&ce->constants_table, name, name_length+1, &value, sizeof(zval *), NULL); } /* }}} */ ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length TSRMLS_DC) /* {{{ */ { zval *constant; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(constant); } else { ALLOC_ZVAL(constant); } ZVAL_NULL(constant); INIT_PZVAL(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; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(constant); } else { ALLOC_ZVAL(constant); } ZVAL_LONG(constant, value); INIT_PZVAL(constant); 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; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(constant); } else { ALLOC_ZVAL(constant); } ZVAL_BOOL(constant, value); INIT_PZVAL(constant); 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; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(constant); } else { ALLOC_ZVAL(constant); } ZVAL_DOUBLE(constant, value); INIT_PZVAL(constant); 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; if (ce->type & ZEND_INTERNAL_CLASS) { ALLOC_PERMANENT_ZVAL(constant); ZVAL_STRINGL(constant, zend_strndup(value, value_length), value_length, 0); } else { ALLOC_ZVAL(constant); ZVAL_STRINGL(constant, value, value_length, 1); } INIT_PZVAL(constant); 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, 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) { char *class_name; zend_uint class_name_len; zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC); zend_error(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, class_name); } MAKE_STD_ZVAL(property); ZVAL_STRINGL(property, name, name_length, 1); Z_OBJ_HT_P(object)->write_property(object, property, value TSRMLS_CC); zval_ptr_dtor(&property); EG(scope) = old_scope; } /* }}} */ ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, char *name, int name_length TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, double value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); ZVAL_DOUBLE(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, char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); ZVAL_STRING(tmp, value, 1); zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC); } /* }}} */ ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); ZVAL_STRINGL(tmp, value, value_len, 1); zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property(zend_class_entry *scope, char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */ { zval **property; zend_class_entry *old_scope = EG(scope); EG(scope) = scope; property = zend_std_get_static_property(scope, name, name_length, 0 TSRMLS_CC); EG(scope) = old_scope; if (!property) { return FAILURE; } else { if (*property != value) { if (PZVAL_IS_REF(*property)) { zval_dtor(*property); Z_TYPE_PP(property) = Z_TYPE_P(value); (*property)->value = value->value; if (Z_REFCOUNT_P(value) > 0) { zval_copy_ctor(*property); } } else { zval *garbage = *property; Z_ADDREF_P(value); if (PZVAL_IS_REF(value)) { SEPARATE_ZVAL(&value); } *property = value; zval_ptr_dtor(&garbage); } } return SUCCESS; } } /* }}} */ ZEND_API int zend_update_static_property_null(zend_class_entry *scope, char *name, int name_length TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, long value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, double value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); 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, char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); ZVAL_STRING(tmp, value, 1); return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC); } /* }}} */ ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */ { zval *tmp; ALLOC_ZVAL(tmp); Z_UNSET_ISREF_P(tmp); Z_SET_REFCOUNT_P(tmp, 0); ZVAL_STRINGL(tmp, value, value_len, 1); return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC); } /* }}} */ ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */ { zval *property, *value; zend_class_entry *old_scope = EG(scope); EG(scope) = scope; if (!Z_OBJ_HT_P(object)->read_property) { char *class_name; zend_uint class_name_len; zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC); zend_error(E_CORE_ERROR, "Property %s of class %s cannot be read", name, class_name); } MAKE_STD_ZVAL(property); ZVAL_STRINGL(property, name, name_length, 1); value = Z_OBJ_HT_P(object)->read_property(object, property, silent?BP_VAR_IS:BP_VAR_R TSRMLS_CC); zval_ptr_dtor(&property); EG(scope) = old_scope; return value; } /* }}} */ ZEND_API zval *zend_read_static_property(zend_class_entry *scope, char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */ { zval **property; zend_class_entry *old_scope = EG(scope); EG(scope) = scope; property = zend_std_get_static_property(scope, name, name_length, silent TSRMLS_CC); EG(scope) = old_scope; return property?*property:NULL; } /* }}} */ ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC) /* {{{ */ { current->handling = EG(error_handling); current->exception = EG(exception_class); current->user_handler = EG(user_error_handler); if (current->user_handler) { Z_ADDREF_P(current->user_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 && EG(user_error_handler)) { zval_ptr_dtor(&EG(user_error_handler)); EG(user_error_handler) = NULL; } } EG(error_handling) = error_handling; EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL; } /* }}} */ 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 (saved->user_handler && saved->user_handler != EG(user_error_handler)) { if (EG(user_error_handler)) { zval_ptr_dtor(&EG(user_error_handler)); } EG(user_error_handler) = saved->user_handler; } else if (saved->user_handler) { zval_ptr_dtor(&saved->user_handler); } saved->user_handler = NULL; } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */