/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2003 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 at through the world-wide-web at | | 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" #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 = EG(argument_stack).top_element-2; arg_count = (ulong) *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) && param_ptr->refcount>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; ((zval *) *(p-arg_count))->refcount--; *(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 = EG(argument_stack).top_element-2; arg_count = (ulong) *p; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { param_ptr = *(p-arg_count); if (!PZVAL_IS_REF(param_ptr) && param_ptr->refcount>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; ((zval *) *(p-arg_count))->refcount--; *(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 = EG(argument_stack).top_element-2; arg_count = (ulong) *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 = EG(argument_stack).top_element-2; arg_count = (ulong) *p; if (param_count>arg_count) { return FAILURE; } while (param_count-->0) { *(argument_array++) = (zval **) p-(arg_count--); } return SUCCESS; } ZEND_API void zend_wrong_param_count(TSRMLS_D) { zend_error(E_WARNING, "Wrong parameter count for %s()", get_active_function_name(TSRMLS_C)); } /* Argument parsing API -- andrei */ ZEND_API char *zend_zval_type_name(zval *arg) { switch (Z_TYPE_P(arg)) { case IS_NULL: return "null"; case IS_LONG: return "integer"; case IS_DOUBLE: return "double"; case IS_STRING: return "string"; case IS_ARRAY: return "array"; case IS_OBJECT: return "object"; case IS_BOOL: return "boolean"; case IS_RESOURCE: return "resource"; default: return "unknown"; } } ZEND_API zend_class_entry *zend_get_class_entry(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; } } static int zend_check_class(zval *obj, zend_class_entry *expected_ce TSRMLS_DC) { zend_class_entry *ce; if (Z_TYPE_P(obj) != IS_OBJECT) { return 0; } for (ce = Z_OBJCE_P(obj); ce != NULL; ce = ce->parent) { if (ce == expected_ce) { return 1; } } return 0; } static char *zend_parse_arg_impl(zval **arg, va_list *va, char **spec TSRMLS_DC) { char *spec_walk = *spec; char c = *spec_walk++; int return_null = 0; while (*spec_walk == '/' || *spec_walk == '!') { if (*spec_walk == '/') { SEPARATE_ZVAL_IF_NOT_REF(arg); } else if (*spec_walk == '!' && Z_TYPE_PP(arg) == IS_NULL) { return_null = 1; } spec_walk++; } switch (c) { 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, 0)) == 0) { return "long"; } else if (type == IS_DOUBLE) { *p = (long) d; } } break; case IS_NULL: case IS_LONG: case IS_DOUBLE: 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, 0)) == 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_ARRAY: case IS_OBJECT: 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 (Z_TYPE_PP(arg) != IS_RESOURCE) { if (Z_TYPE_PP(arg) == IS_NULL && return_null) { *p = NULL; } else { return "resource"; } } else *p = *arg; } break; case 'a': { zval **p = va_arg(*va, zval **); if (Z_TYPE_PP(arg) != IS_ARRAY) { if (Z_TYPE_PP(arg) == IS_NULL && return_null) { *p = NULL; } else { return "array"; } } else *p = *arg; } break; case 'o': { zval **p = va_arg(*va, zval **); if (Z_TYPE_PP(arg) != IS_OBJECT) { if (Z_TYPE_PP(arg) == IS_NULL && return_null) { *p = NULL; } else { return "object"; } } else *p = *arg; } break; case 'O': { zval **p = va_arg(*va, zval **); zend_class_entry *ce = va_arg(*va, zend_class_entry *); if (!zend_check_class(*arg, ce TSRMLS_CC)) { if (Z_TYPE_PP(arg) == IS_NULL && return_null) { *p = NULL; } else { return ce->name; } } else *p = *arg; } break; case 'z': { zval **p = va_arg(*va, zval **); if (Z_TYPE_PP(arg) == IS_NULL && 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; expected_type = zend_parse_arg_impl(arg, va, spec TSRMLS_CC); if (expected_type) { if (!quiet) { zend_error(E_WARNING, "%s() expects parameter %d to be %s, %s given", get_active_function_name(TSRMLS_C), arg_num, expected_type, zend_zval_type_name(*arg)); } 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; char buf[1024]; int c, i; int min_num_args = -1; int max_num_args = 0; zval **arg; void **p; int arg_count; int quiet = flags & ZEND_PARSE_PARAMS_QUIET; 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': max_num_args++; break; case '|': min_num_args = max_num_args; break; case '/': case '!': /* Pass */ break; default: if (!quiet) { zend_error(E_WARNING, "%s(): bad type specifier while parsing parameters", get_active_function_name(TSRMLS_C)); } return FAILURE; } } if (min_num_args < 0) { min_num_args = max_num_args; } if (num_args < min_num_args || num_args > max_num_args) { if (!quiet) { sprintf(buf, "%s() expects %s %d parameter%s, %d given", 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); zend_error(E_WARNING, buf); } return FAILURE; } p = EG(argument_stack).top_element-2; arg_count = (ulong) *p; 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) { arg = (zval **) p - (arg_count-i); if (*type_spec == '|') { type_spec++; } if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) { return FAILURE; } i++; } return SUCCESS; } ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, char *type_spec, ...) { va_list va; int retval; 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; 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) { va_start(va, type_spec); retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC); va_end(va); } else { p++; va_start(va, type_spec); object = va_arg(va, zval **); ce = va_arg(va, zend_class_entry *); *object = this_ptr; 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, zend_class_entry *ce, void **object, ...) { void **arg_stack = EG(argument_stack).top_element; va_list va; int retval; int quiet = flags & ZEND_PARSE_PARAMS_QUIET; *object = this_ptr; if (!*object) { zval **parameter; if (zend_get_parameters_ex(1, ¶meter) != SUCCESS) { if (!quiet) { zend_error(E_WARNING, "%s() expects an object of class %s as first parameter, none was given", get_active_function_name(TSRMLS_C), ce->name); } return FAILURE; } else { if (!zend_check_class(*parameter, ce TSRMLS_CC)) { if (!quiet) { zend_error(E_WARNING, "%s() expects parameter 1 to be %s, %s given", get_active_function_name(TSRMLS_C), ce->name, zend_zval_type_name(*parameter)); } return FAILURE; } else { *object = *parameter; } EG(argument_stack).top_element++; } } va_start(va, object); retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC); va_end(va); EG(argument_stack).top_element = arg_stack; return retval; } /* Argument parsing API -- andrei */ ZEND_API int _array_init(zval *arg ZEND_FILE_LINE_DC) { ALLOC_HASHTABLE_REL(arg->value.ht); zend_hash_init(arg->value.ht, 0, NULL, ZVAL_PTR_DTOR, 0); arg->type = IS_ARRAY; return SUCCESS; } 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->constants_updated) { zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC); zend_hash_apply_with_argument(class_type->static_members, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC); class_type->constants_updated = 1; } arg->type = IS_OBJECT; if (class_type->create_object == NULL) { arg->value.obj = zend_objects_new(&object, class_type TSRMLS_CC); if (properties) { object->properties = properties; } else { ALLOC_HASHTABLE_REL(object->properties); zend_hash_init(object->properties, 0, 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 { arg->value.obj = 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, 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, char *key, uint key_len, long n) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_null_ex(zval *arg, char *key, uint key_len) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_bool_ex(zval *arg, char *key, uint key_len, int b) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_resource_ex(zval *arg, char *key, uint key_len, int r) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, r); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_double_ex(zval *arg, char *key, uint key_len, double d) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_string_ex(zval *arg, char *key, uint key_len, char *str, int duplicate) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_stringl_ex(zval *arg, 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_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL); } ZEND_API int add_assoc_zval_ex(zval *arg, char *key, uint key_len, zval *value) { return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL); } ZEND_API int add_index_long(zval *arg, uint 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, uint 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, uint 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, uint 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, uint 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, uint index, 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, uint index, 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, uint 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, 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, 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, char *key, uint key_len, char *str, void **dest, int duplicate) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRING(tmp, str, duplicate); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest); } ZEND_API int add_get_assoc_stringl_ex(zval *arg, char *key, uint key_len, char *str, uint length, void **dest, int duplicate) { zval *tmp; MAKE_STD_ZVAL(tmp); ZVAL_STRINGL(tmp, str, length, duplicate); return zend_hash_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest); } ZEND_API int add_get_index_long(zval *arg, uint 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, uint 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, uint index, 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, uint index, 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, char *key, uint key_len, long n TSRMLS_DC) { zval *tmp; zval z_key; MAKE_STD_ZVAL(tmp); ZVAL_LONG(tmp, n); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_bool_ex(zval *arg, char *key, uint key_len, int b TSRMLS_DC) { zval *tmp; zval z_key; MAKE_STD_ZVAL(tmp); ZVAL_BOOL(tmp, b); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_null_ex(zval *arg, char *key, uint key_len TSRMLS_DC) { zval *tmp; zval z_key; MAKE_STD_ZVAL(tmp); ZVAL_NULL(tmp); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_resource_ex(zval *arg, char *key, uint key_len, long n TSRMLS_DC) { zval *tmp; zval z_key; MAKE_STD_ZVAL(tmp); ZVAL_RESOURCE(tmp, n); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_double_ex(zval *arg, char *key, uint key_len, double d TSRMLS_DC) { zval *tmp; zval z_key; MAKE_STD_ZVAL(tmp); ZVAL_DOUBLE(tmp, d); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_string_ex(zval *arg, 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); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_stringl_ex(zval *arg, 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); ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, tmp TSRMLS_CC); zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */ return SUCCESS; } ZEND_API int add_property_zval_ex(zval *arg, char *key, uint key_len, zval *value TSRMLS_DC) { zval z_key; ZVAL_STRINGL(&z_key, key, key_len-1, 0); Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value TSRMLS_CC); return SUCCESS; } ZEND_API int zend_startup_module(zend_module_entry *module) { if (module) { module->module_number = zend_next_free_module(); if (module->module_startup_func) { TSRMLS_FETCH(); if (module->module_startup_func(MODULE_PERSISTENT, module->module_number TSRMLS_CC)==FAILURE) { zend_error(E_CORE_ERROR,"Unable to start %s module", module->name); return FAILURE; } } module->type = MODULE_PERSISTENT; zend_register_module(module); } return SUCCESS; } /* registers all functions in *library_functions in the function hash */ int zend_register_functions(zend_class_entry *scope, zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC) { 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; char *lowercase_name; int fname_len; zend_namespace *scope_namespace; 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; if(scope) { scope_namespace = scope->ns; } else { scope_namespace = EG(active_namespace); } while (ptr->fname) { internal_function->handler = ptr->handler; internal_function->arg_types = ptr->func_arg_types; internal_function->function_name = ptr->fname; internal_function->scope = scope; internal_function->fn_flags = ZEND_ACC_PUBLIC; internal_function->ns = scope_namespace; internal_function->prototype = NULL; if (!internal_function->handler) { zend_error(error_type, "Null function defined as active function"); zend_unregister_functions(functions, count, target_function_table TSRMLS_CC); return FAILURE; } fname_len = strlen(ptr->fname); lowercase_name = do_alloca(fname_len+1); memcpy(lowercase_name, ptr->fname, fname_len+1); zend_str_tolower(lowercase_name, fname_len); if (zend_hash_add(target_function_table, lowercase_name, fname_len+1, &function, sizeof(zend_function), (void**)®_function) == FAILURE) { unload=1; free_alloca(lowercase_name); break; } if (scope) { /* * If it's an old-style constructor, store it only if we don't have * a constructor already. */ if (!strcmp(ptr->fname, scope->name) && !ctor) { ctor = reg_function; } else if (!strcmp(ptr->fname, ZEND_CONSTRUCTOR_FUNC_NAME)) { ctor = reg_function; } else if (!strcmp(ptr->fname, ZEND_DESTRUCTOR_FUNC_NAME)) { dtor = reg_function; } else if (!strcmp(ptr->fname, ZEND_CLONE_FUNC_NAME)) { clone = reg_function; } } ptr++; count++; free_alloca(lowercase_name); } if (unload) { /* before unloading, display all remaining bad function in the module */ while (ptr->fname) { if (zend_hash_exists(target_function_table, ptr->fname, strlen(ptr->fname)+1)) { zend_error(error_type, "Function registration failed - duplicate name - %s", ptr->fname); } ptr++; } zend_unregister_functions(functions, count, target_function_table TSRMLS_CC); return FAILURE; } if (scope) { scope->constructor = ctor; scope->destructor = dtor; scope->clone = clone; } return SUCCESS; } /* count=-1 means erase all functions, otherwise, * erase the first count functions */ void zend_unregister_functions(zend_function_entry *functions, int count, HashTable *function_table TSRMLS_DC) { 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_register_module(zend_module_entry *module) { TSRMLS_FETCH(); #if 0 zend_printf("%s: Registering module %d\n", module->name, module->module_number); #endif if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) { zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name); return FAILURE; } module->module_started=1; return zend_hash_add(&module_registry, module->name, strlen(module->name)+1, (void *)module, sizeof(zend_module_entry), NULL); } 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->request_shutdown_func) module->request_shutdown_func(module->type, 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); } module->module_started=0; if (module->functions) { zend_unregister_functions(module->functions, -1, NULL TSRMLS_CC); } #if HAVE_LIBDL if (module->handle) { dlclose(module->handle); } #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; } /* for persistent modules - call request shutdown and flag NOT to erase * for temporary modules - do nothing, and flag to erase */ int module_registry_cleanup(zend_module_entry *module TSRMLS_DC) { switch (module->type) { case MODULE_PERSISTENT: 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; break; case MODULE_TEMPORARY: return 1; break; } return 0; } /* return the next free module number */ int zend_next_free_module(void) { return ++module_count; } /* 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); } return register_class; } ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry TSRMLS_DC) { zend_class_entry *class_entry = malloc(sizeof(zend_class_entry)); char *lowercase_name = zend_strndup(orig_class_entry->name, orig_class_entry->name_length); *class_entry = *orig_class_entry; class_entry->type = ZEND_INTERNAL_CLASS; zend_initialize_class_data(class_entry, 0 TSRMLS_CC); 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(lowercase_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; } ZEND_API zend_class_entry *zend_register_internal_ns_class(zend_class_entry *class_entry, zend_class_entry *parent_ce, zend_namespace *ns, char *ns_name TSRMLS_DC) { zend_class_entry *register_class; zend_namespace *orig_namespace = NULL; HashTable *orig_class_table = NULL; int restore_orig = 0; if (!ns && ns_name) { zend_namespace **pns; size_t ns_name_length = strlen(ns_name); char *lowercase_name = zend_strndup(ns_name, ns_name_length); zend_str_tolower(lowercase_name, ns_name_length); if (zend_hash_find(&CG(global_namespace).class_table, lowercase_name, ns_name_length+1, (void **)&pns) == FAILURE) { free(lowercase_name); return NULL; } else { ns = *pns; } free(lowercase_name); } if (EG(active_namespace) != ns) { restore_orig = 1; orig_namespace = EG(active_namespace); EG(active_namespace) = ns; orig_class_table = CG(class_table); CG(class_table) = &ns->class_table; } class_entry->ns = ns; register_class = zend_register_internal_class_ex(class_entry, parent_ce, NULL TSRMLS_CC); if (restore_orig) { EG(active_namespace) = orig_namespace; CG(class_table) = orig_class_table; } return register_class; } ZEND_API zend_namespace *zend_register_internal_namespace(zend_namespace *orig_ns TSRMLS_DC) { zend_namespace *ns = malloc(sizeof(zend_namespace)); char *lowercase_name = zend_strndup(orig_ns->name, orig_ns->name_length); *ns = *orig_ns; ns->type = ZEND_INTERNAL_NAMESPACE; zend_init_namespace(ns TSRMLS_CC); zend_str_tolower(lowercase_name, ns->name_length); zend_hash_update(&CG(global_namespace).class_table, lowercase_name, ns->name_length+1, &ns, sizeof(zend_namespace *), NULL); free(lowercase_name); return ns; } ZEND_API int zend_set_hash_symbol(zval *symbol, 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; symbol->is_ref = 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 */ 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 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; disabled_class = (zend_class_entry *) emalloc(sizeof(zend_class_entry)); 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_CLASS_ENTRY((*disabled_class), class_name, disabled_class_new); disabled_class->create_object = display_disabled_class; zend_register_internal_class(disabled_class TSRMLS_CC); return 1; } zend_bool zend_is_callable(zval *callable, zend_bool syntax_only, char **callable_name) { char *lcname; zend_bool retval = 0; TSRMLS_FETCH(); switch (Z_TYPE_P(callable)) { case IS_STRING: if (callable_name) *callable_name = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable)); if (syntax_only) return 1; lcname = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable)); zend_str_tolower(lcname, Z_STRLEN_P(callable)); if (zend_hash_exists(EG(function_table), lcname, Z_STRLEN_P(callable)+1)) retval = 1; efree(lcname); break; case IS_ARRAY: { zval **method; zval **obj; zend_class_entry *ce = NULL, **pce; zend_uint callable_name_len; if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2 && zend_hash_index_find(Z_ARRVAL_P(callable), 0, (void **) &obj) == SUCCESS && zend_hash_index_find(Z_ARRVAL_P(callable), 1, (void **) &method) == SUCCESS && (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("::"); ptr = *callable_name = emalloc(callable_name_len); 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 (syntax_only) return 1; lcname = estrndup(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj)); zend_str_tolower(lcname, Z_STRLEN_PP(obj)); if (zend_lookup_class(lcname, Z_STRLEN_PP(obj), &pce TSRMLS_CC) == SUCCESS) { ce = *pce; } efree(lcname); } else { ce = Z_OBJCE_PP(obj); /* ??? */ if (callable_name) { char *ptr; callable_name_len = ce->name_length + Z_STRLEN_PP(method) + sizeof("::"); ptr = *callable_name = emalloc(callable_name_len); memcpy(ptr, ce->name, ce->name_length); ptr += ce->name_length; memcpy(ptr, "::", sizeof("::") - 1); ptr += sizeof("::") - 1; memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1); } if (syntax_only) return 1; } if (ce) { lcname = estrndup(Z_STRVAL_PP(method), Z_STRLEN_PP(method)); zend_str_tolower(lcname, Z_STRLEN_PP(method)); if (zend_hash_exists(&ce->function_table, lcname, Z_STRLEN_PP(method)+1)) retval = 1; efree(lcname); } } else if (callable_name) *callable_name = estrndup("Array", sizeof("Array")-1); } break; 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)); zval_dtor(&expr_copy); } break; } return retval; } ZEND_API char *zend_get_module_version(char *module_name) { zend_module_entry *module; if (zend_hash_find(&module_registry, module_name, strlen(module_name) + 1, (void**)&module) == FAILURE) { return NULL; } return module->version; } ZEND_API void zend_make_full_classname(zend_class_entry *ce, char **name, zend_uint *name_len) { int len = ce->name_length; char *full_name; if(ce->ns && ce->ns->name) { len += ce->ns->name_length + 2; } *name = full_name = emalloc(len+1); *name_len = len; if(ce->ns && ce->ns->name) { memcpy(full_name, ce->ns->name, ce->ns->name_length); full_name += ce->ns->name_length; *(full_name++) = ':'; *(full_name++) = ':'; } memcpy(full_name, ce->name, ce->name_length); full_name[ce->name_length] = '\0'; } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */