diff options
Diffstat (limited to 'dbus/dbus-marshal-basic.c')
| -rw-r--r-- | dbus/dbus-marshal-basic.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/dbus/dbus-marshal-basic.c b/dbus/dbus-marshal-basic.c index b63761e9..b1398539 100644 --- a/dbus/dbus-marshal-basic.c +++ b/dbus/dbus-marshal-basic.c @@ -1267,6 +1267,44 @@ _dbus_type_get_alignment (int typecode) } } + +/** + * Return #TRUE if the typecode is a valid typecode. + * #DBUS_TYPE_INVALID surprisingly enough is not considered valid, and + * random unknown bytes aren't either. This function is safe with + * untrusted data. + * + * @returns #TRUE if valid + */ +dbus_bool_t +_dbus_type_is_valid (int typecode) +{ + switch (typecode) + { + case DBUS_TYPE_BYTE: + case DBUS_TYPE_BOOLEAN: + case DBUS_TYPE_INT16: + case DBUS_TYPE_UINT16: + case DBUS_TYPE_INT32: + case DBUS_TYPE_UINT32: + case DBUS_TYPE_INT64: + case DBUS_TYPE_UINT64: + case DBUS_TYPE_DOUBLE: + case DBUS_TYPE_STRING: + case DBUS_TYPE_OBJECT_PATH: + case DBUS_TYPE_SIGNATURE: + case DBUS_TYPE_ARRAY: + case DBUS_TYPE_STRUCT: + case DBUS_TYPE_DICT_ENTRY: + case DBUS_TYPE_VARIANT: + case DBUS_TYPE_UNIX_FD: + return TRUE; + + default: + return FALSE; + } +} + /** * Returns a string describing the given type. * |