1*27b03b36SApple OSS Distributions /* 2*27b03b36SApple OSS Distributions * Copyright (c) 2018 Apple Inc. All rights reserved. 3*27b03b36SApple OSS Distributions * 4*27b03b36SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*27b03b36SApple OSS Distributions * 6*27b03b36SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*27b03b36SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*27b03b36SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*27b03b36SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*27b03b36SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*27b03b36SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*27b03b36SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*27b03b36SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*27b03b36SApple OSS Distributions * 15*27b03b36SApple OSS Distributions * Please obtain a copy of the License at 16*27b03b36SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*27b03b36SApple OSS Distributions * 18*27b03b36SApple OSS Distributions * The Original Code and all software distributed under the License are 19*27b03b36SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*27b03b36SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*27b03b36SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*27b03b36SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*27b03b36SApple OSS Distributions * Please see the License for the specific language governing rights and 24*27b03b36SApple OSS Distributions * limitations under the License. 25*27b03b36SApple OSS Distributions * 26*27b03b36SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*27b03b36SApple OSS Distributions */ 28*27b03b36SApple OSS Distributions 29*27b03b36SApple OSS Distributions /* 30*27b03b36SApple OSS Distributions * RFC 2408 Internet Security Association and Key Management Protocol 31*27b03b36SApple OSS Distributions */ 32*27b03b36SApple OSS Distributions 33*27b03b36SApple OSS Distributions #ifndef _NETINET_ISAKMP_H_ 34*27b03b36SApple OSS Distributions #define _NETINET_ISAKMP_H_ 35*27b03b36SApple OSS Distributions 36*27b03b36SApple OSS Distributions typedef u_char cookie_t[8]; 37*27b03b36SApple OSS Distributions typedef u_char msgid_t[4]; 38*27b03b36SApple OSS Distributions 39*27b03b36SApple OSS Distributions /* 3.1 ISAKMP Header Format (IKEv1 and IKEv2) 40*27b03b36SApple OSS Distributions * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 41*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 42*27b03b36SApple OSS Distributions * ! Initiator ! 43*27b03b36SApple OSS Distributions * ! Cookie ! 44*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 45*27b03b36SApple OSS Distributions * ! Responder ! 46*27b03b36SApple OSS Distributions * ! Cookie ! 47*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 48*27b03b36SApple OSS Distributions * ! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags ! 49*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 50*27b03b36SApple OSS Distributions * ! Message ID ! 51*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 52*27b03b36SApple OSS Distributions * ! Length ! 53*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 54*27b03b36SApple OSS Distributions */ 55*27b03b36SApple OSS Distributions struct isakmp { 56*27b03b36SApple OSS Distributions cookie_t i_ck; /* Initiator Cookie */ 57*27b03b36SApple OSS Distributions cookie_t r_ck; /* Responder Cookie */ 58*27b03b36SApple OSS Distributions uint8_t np; /* Next Payload Type */ 59*27b03b36SApple OSS Distributions uint8_t vers; 60*27b03b36SApple OSS Distributions #define ISAKMP_VERS_MAJOR 0xf0 61*27b03b36SApple OSS Distributions #define ISAKMP_VERS_MAJOR_SHIFT 4 62*27b03b36SApple OSS Distributions #define ISAKMP_VERS_MINOR 0x0f 63*27b03b36SApple OSS Distributions #define ISAKMP_VERS_MINOR_SHIFT 0 64*27b03b36SApple OSS Distributions uint8_t etype; /* Exchange Type */ 65*27b03b36SApple OSS Distributions uint8_t flags; /* Flags */ 66*27b03b36SApple OSS Distributions msgid_t msgid; 67*27b03b36SApple OSS Distributions uint32_t len; /* Length */ 68*27b03b36SApple OSS Distributions }; 69*27b03b36SApple OSS Distributions 70*27b03b36SApple OSS Distributions /* 3.2 Payload Generic Header 71*27b03b36SApple OSS Distributions * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 72*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 73*27b03b36SApple OSS Distributions * ! Next Payload ! RESERVED ! Payload Length ! 74*27b03b36SApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 75*27b03b36SApple OSS Distributions */ 76*27b03b36SApple OSS Distributions struct isakmp_gen { 77*27b03b36SApple OSS Distributions uint8_t np; /* Next Payload */ 78*27b03b36SApple OSS Distributions uint8_t critical; /* bit 7 - critical, rest is RESERVED */ 79*27b03b36SApple OSS Distributions uint16_t len; /* Payload Length */ 80*27b03b36SApple OSS Distributions }; 81*27b03b36SApple OSS Distributions 82*27b03b36SApple OSS Distributions #endif /* _NETINET_ISAKMP_H_ */ 83