diff options
Diffstat (limited to 'dbus/dbus-marshal-validate.h')
| -rw-r--r-- | dbus/dbus-marshal-validate.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/dbus/dbus-marshal-validate.h b/dbus/dbus-marshal-validate.h index 86cbf7ea..8f4e7ef6 100644 --- a/dbus/dbus-marshal-validate.h +++ b/dbus/dbus-marshal-validate.h @@ -31,5 +31,133 @@ #error "config.h not included here" #endif +/** + * This is primarily used in unit testing, so we can verify that each + * invalid message is invalid for the expected reasons. Thus we really + * want a distinct enum value for every codepath leaving the validator + * functions. Enum values are specified manually for ease of debugging + * (so you can see the enum value given a printf) + */ +typedef enum +{ + DBUS_VALID = 0, + DBUS_INVALID_UNKNOWN_TYPECODE = 1, + DBUS_INVALID_MISSING_ARRAY_ELEMENT_TYPE = 2, + DBUS_INVALID_SIGNATURE_TOO_LONG = 3, + DBUS_INVALID_EXCEEDED_MAXIMUM_ARRAY_RECURSION = 4, + DBUS_INVALID_EXCEEDED_MAXIMUM_STRUCT_RECURSION = 5, + DBUS_INVALID_STRUCT_ENDED_BUT_NOT_STARTED = 6, + DBUS_INVALID_STRUCT_STARTED_BUT_NOT_ENDED = 7, + DBUS_INVALID_STRUCT_HAS_NO_FIELDS = 8, + DBUS_INVALID_ALIGNMENT_PADDING_NOT_NUL = 9, + DBUS_INVALID_BOOLEAN_NOT_ZERO_OR_ONE = 10, + DBUS_INVALID_NOT_ENOUGH_DATA = 11, + DBUS_INVALID_TOO_MUCH_DATA = 12, + DBUS_INVALID_BAD_BYTE_ORDER = 13, + DBUS_INVALID_BAD_PROTOCOL_VERSION = 14, + DBUS_INVALID_BAD_MESSAGE_TYPE = 15, + DBUS_INVALID_BAD_SERIAL = 16, + DBUS_INVALID_INSANE_FIELDS_ARRAY_LENGTH = 17, + DBUS_INVALID_INSANE_BODY_LENGTH = 18, + DBUS_INVALID_MESSAGE_TOO_LONG = 19, + DBUS_INVALID_HEADER_FIELD_CODE = 20, + DBUS_INVALID_HEADER_FIELD_HAS_WRONG_TYPE = 21, + DBUS_INVALID_USES_LOCAL_INTERFACE = 22, + DBUS_INVALID_USES_LOCAL_PATH = 23, + DBUS_INVALID_HEADER_FIELD_APPEARS_TWICE = 24, + DBUS_INVALID_BAD_DESTINATION = 25, + DBUS_INVALID_BAD_INTERFACE = 26, + DBUS_INVALID_BAD_MEMBER = 27, + DBUS_INVALID_BAD_ERROR_NAME = 28, + DBUS_INVALID_BAD_SENDER = 29, + DBUS_INVALID_MISSING_PATH = 30, + DBUS_INVALID_MISSING_INTERFACE = 31, + DBUS_INVALID_MISSING_MEMBER = 32, + DBUS_INVALID_MISSING_ERROR_NAME = 33, + DBUS_INVALID_MISSING_REPLY_SERIAL = 34, + DBUS_INVALID_STRING_LENGTH_OUT_OF_BOUNDS = 35, + DBUS_INVALID_ARRAY_LENGTH_OUT_OF_BOUNDS = 36, + DBUS_INVALID_ARRAY_LENGTH_EXCEEDS_MAXIMUM = 37, + DBUS_INVALID_BAD_PATH = 38, + DBUS_INVALID_SIGNATURE_LENGTH_OUT_OF_BOUNDS = 39, + DBUS_INVALID_BAD_SIGNATURE = 40, + DBUS_INVALID_BAD_UTF8_IN_STRING = 41, + DBUS_INVALID_ARRAY_LENGTH_INCORRECT = 42, + DBUS_INVALID_VARIANT_SIGNATURE_LENGTH_OUT_OF_BOUNDS = 43, + DBUS_INVALID_VARIANT_SIGNATURE_BAD = 44, + DBUS_INVALID_VARIANT_SIGNATURE_EMPTY = 45, + DBUS_INVALID_VARIANT_SIGNATURE_SPECIFIES_MULTIPLE_VALUES = 46, + DBUS_INVALID_VARIANT_SIGNATURE_MISSING_NUL = 47, + DBUS_INVALID_STRING_MISSING_NUL = 48, + DBUS_INVALID_SIGNATURE_MISSING_NUL = 49, +} DBusValidity; + +DBusValidity _dbus_validate_signature_with_reason (const DBusString *type_str, + int type_pos, + int len); +DBusValidity _dbus_validate_body_with_reason (const DBusString *expected_signature, + int expected_signature_start, + int byte_order, + int *bytes_remaining, + const DBusString *value_str, + int value_pos, + int len); + +dbus_bool_t _dbus_validate_path (const DBusString *str, + int start, + int len); +dbus_bool_t _dbus_validate_interface (const DBusString *str, + int start, + int len); +dbus_bool_t _dbus_validate_member (const DBusString *str, + int start, + int len); +dbus_bool_t _dbus_validate_error_name (const DBusString *str, + int start, + int len); +dbus_bool_t _dbus_validate_service (const DBusString *str, + int start, + int len); +dbus_bool_t _dbus_validate_signature (const DBusString *str, + int start, + int len); + +#ifdef DBUS_DISABLE_CHECKS + +/* Be sure they don't exist, since we don't want to use them outside of checks + * and so we want the compile failure. + */ +#define DECLARE_DBUS_NAME_CHECK(what) +#define DEFINE_DBUS_NAME_CHECK(what) + +#else /* !DBUS_DISABLE_CHECKS */ + +/* A name check is used in _dbus_return_if_fail(), it's not suitable + * for validating untrusted data. use _dbus_validate_##what for that. + */ +#define DECLARE_DBUS_NAME_CHECK(what) \ +dbus_bool_t _dbus_check_is_valid_##what (const char *name) + +#define DEFINE_DBUS_NAME_CHECK(what) \ +dbus_bool_t \ +_dbus_check_is_valid_##what (const char *name) \ +{ \ + DBusString str; \ + \ + if (name == NULL) \ + return FALSE; \ + \ + _dbus_string_init_const (&str, name); \ + return _dbus_validate_##what (&str, 0, \ + _dbus_string_get_length (&str)); \ +} +#endif /* !DBUS_DISABLE_CHECKS */ + +DECLARE_DBUS_NAME_CHECK(path); +DECLARE_DBUS_NAME_CHECK(interface); +DECLARE_DBUS_NAME_CHECK(member); +DECLARE_DBUS_NAME_CHECK(error_name); +DECLARE_DBUS_NAME_CHECK(service); +DECLARE_DBUS_NAME_CHECK(signature); #endif /* DBUS_MARSHAL_VALIDATE_H */ |