1*fdd8201dSApple OSS Distributions /* 2*fdd8201dSApple OSS Distributions * Copyright (c) 2018 Apple Inc. All rights reserved. 3*fdd8201dSApple OSS Distributions * 4*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*fdd8201dSApple OSS Distributions * 6*fdd8201dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*fdd8201dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*fdd8201dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*fdd8201dSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*fdd8201dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*fdd8201dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*fdd8201dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*fdd8201dSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*fdd8201dSApple OSS Distributions * 15*fdd8201dSApple OSS Distributions * Please obtain a copy of the License at 16*fdd8201dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*fdd8201dSApple OSS Distributions * 18*fdd8201dSApple OSS Distributions * The Original Code and all software distributed under the License are 19*fdd8201dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*fdd8201dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*fdd8201dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*fdd8201dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*fdd8201dSApple OSS Distributions * Please see the License for the specific language governing rights and 24*fdd8201dSApple OSS Distributions * limitations under the License. 25*fdd8201dSApple OSS Distributions * 26*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*fdd8201dSApple OSS Distributions */ 28*fdd8201dSApple OSS Distributions 29*fdd8201dSApple OSS Distributions /* 30*fdd8201dSApple OSS Distributions * RFC 2408 Internet Security Association and Key Management Protocol 31*fdd8201dSApple OSS Distributions */ 32*fdd8201dSApple OSS Distributions 33*fdd8201dSApple OSS Distributions #ifndef _NETINET_ISAKMP_H_ 34*fdd8201dSApple OSS Distributions #define _NETINET_ISAKMP_H_ 35*fdd8201dSApple OSS Distributions 36*fdd8201dSApple OSS Distributions typedef u_char cookie_t[8]; 37*fdd8201dSApple OSS Distributions typedef u_char msgid_t[4]; 38*fdd8201dSApple OSS Distributions 39*fdd8201dSApple OSS Distributions /* 3.1 ISAKMP Header Format (IKEv1 and IKEv2) 40*fdd8201dSApple 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*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 42*fdd8201dSApple OSS Distributions * ! Initiator ! 43*fdd8201dSApple OSS Distributions * ! Cookie ! 44*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 45*fdd8201dSApple OSS Distributions * ! Responder ! 46*fdd8201dSApple OSS Distributions * ! Cookie ! 47*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 48*fdd8201dSApple OSS Distributions * ! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags ! 49*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 50*fdd8201dSApple OSS Distributions * ! Message ID ! 51*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 52*fdd8201dSApple OSS Distributions * ! Length ! 53*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 54*fdd8201dSApple OSS Distributions */ 55*fdd8201dSApple OSS Distributions struct isakmp { 56*fdd8201dSApple OSS Distributions cookie_t i_ck; /* Initiator Cookie */ 57*fdd8201dSApple OSS Distributions cookie_t r_ck; /* Responder Cookie */ 58*fdd8201dSApple OSS Distributions uint8_t np; /* Next Payload Type */ 59*fdd8201dSApple OSS Distributions uint8_t vers; 60*fdd8201dSApple OSS Distributions #define ISAKMP_VERS_MAJOR 0xf0 61*fdd8201dSApple OSS Distributions #define ISAKMP_VERS_MAJOR_SHIFT 4 62*fdd8201dSApple OSS Distributions #define ISAKMP_VERS_MINOR 0x0f 63*fdd8201dSApple OSS Distributions #define ISAKMP_VERS_MINOR_SHIFT 0 64*fdd8201dSApple OSS Distributions uint8_t etype; /* Exchange Type */ 65*fdd8201dSApple OSS Distributions uint8_t flags; /* Flags */ 66*fdd8201dSApple OSS Distributions msgid_t msgid; 67*fdd8201dSApple OSS Distributions uint32_t len; /* Length */ 68*fdd8201dSApple OSS Distributions }; 69*fdd8201dSApple OSS Distributions 70*fdd8201dSApple OSS Distributions /* 3.2 Payload Generic Header 71*fdd8201dSApple 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*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 73*fdd8201dSApple OSS Distributions * ! Next Payload ! RESERVED ! Payload Length ! 74*fdd8201dSApple OSS Distributions +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 75*fdd8201dSApple OSS Distributions */ 76*fdd8201dSApple OSS Distributions struct isakmp_gen { 77*fdd8201dSApple OSS Distributions uint8_t np; /* Next Payload */ 78*fdd8201dSApple OSS Distributions uint8_t critical; /* bit 7 - critical, rest is RESERVED */ 79*fdd8201dSApple OSS Distributions uint16_t len; /* Payload Length */ 80*fdd8201dSApple OSS Distributions }; 81*fdd8201dSApple OSS Distributions 82*fdd8201dSApple OSS Distributions #endif /* _NETINET_ISAKMP_H_ */ 83