2009-08-09 12:44:16 +02:00
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%%%-------------------------------------------------------------------
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%%% File : stun.hrl
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%%% Author : Evgeniy Khramtsov <ekhramtsov@process-one.net>
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%%% Description : STUN values
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%%% Created : 8 Aug 2009 by Evgeniy Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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2010-01-12 17:11:32 +01:00
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%%% ejabberd, Copyright (C) 2002-2010 ProcessOne
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2009-08-09 12:44:16 +02:00
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%-------------------------------------------------------------------
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-define(STUN_MAGIC, 16#2112a442).
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%% I know, this is terrible. Refer to 'STUN Message Structure' of
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%% RFC5389 to understand this.
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-define(STUN_METHOD(Type),
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((Type band 16#3e00) bsr 2) bor
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((Type band 16#e0) bsr 1) bor (Type band 16#f)).
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-define(STUN_CLASS(Type),
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((Type band 16#100) bsr 7) bor
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((Type band 16#10) bsr 4)).
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-define(STUN_TYPE(C, M),
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(((M band 16#f80) bsl 2)
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bor ((M band 16#70) bsl 1)
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bor (M band 16#f) )
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bor (((C band 16#2) bsl 7) bor ((C band 16#1) bsl 4))).
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-define(is_required(A), (A =< 16#7fff)).
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-define(STUN_METHOD_BINDING, 16#001).
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%% Comprehension-required range (0x0000-0x7FFF)
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-define(STUN_ATTR_MAPPED_ADDRESS, 16#0001).
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-define(STUN_ATTR_USERNAME, 16#0006).
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-define(STUN_ATTR_MESSAGE_INTEGRITY, 16#0008).
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-define(STUN_ATTR_ERROR_CODE, 16#0009).
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-define(STUN_ATTR_UNKNOWN_ATTRIBUTES, 16#000a).
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-define(STUN_ATTR_REALM, 16#0014).
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-define(STUN_ATTR_NONCE, 16#0015).
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-define(STUN_ATTR_XOR_MAPPED_ADDRESS, 16#0020).
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%% Comprehension-optional range (0x8000-0xFFFF)
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-define(STUN_ATTR_SOFTWARE, 16#8022).
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-define(STUN_ATTR_ALTERNATE_SERVER, 16#8023).
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-define(STUN_ATTR_FINGERPRINT, 16#8028).
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-record(stun, {class,
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method,
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magic = ?STUN_MAGIC,
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trid,
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unsupported = [],
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'SOFTWARE',
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'ALTERNATE-SERVER',
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'MAPPED-ADDRESS',
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'XOR-MAPPED-ADDRESS',
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'USERNAME',
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'REALM',
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'NONCE',
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'MESSAGE-INTEGRITY',
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'ERROR-CODE',
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'UNKNOWN-ATTRIBUTES' = []}).
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%% Workarounds.
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%%-define(NO_PADDING, true).
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