projects / apple / xnu.git / blame
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|---|---|---|
| d9a64523 A |
1 | /* |
| 2 | * Copyright (c) 2018 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 28 | ||
| 29 | /* | |
| 30 | * RFC 2408 Internet Security Association and Key Management Protocol | |
| 31 | */ | |
| 32 | ||
| 33 | #ifndef _NETINET_ISAKMP_H_ | |
| 34 | #define _NETINET_ISAKMP_H_ | |
| 35 | ||
| 36 | typedef u_char cookie_t[8]; | |
| 37 | typedef u_char msgid_t[4]; | |
| 38 | ||
| 39 | /* 3.1 ISAKMP Header Format (IKEv1 and IKEv2) | |
| 40 | 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 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 42 | ! Initiator ! | |
| 43 | ! Cookie ! | |
| 44 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 45 | ! Responder ! | |
| 46 | ! Cookie ! | |
| 47 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 48 | ! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags ! | |
| 49 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 50 | ! Message ID ! | |
| 51 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 52 | ! Length ! | |
| 53 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 54 | */ | |
| 55 | struct isakmp { | |
| 56 | cookie_t i_ck; /* Initiator Cookie */ | |
| 57 | cookie_t r_ck; /* Responder Cookie */ | |
| 58 | uint8_t np; /* Next Payload Type */ | |
| 59 | uint8_t vers; | |
| 60 | #define ISAKMP_VERS_MAJOR 0xf0 | |
| 61 | #define ISAKMP_VERS_MAJOR_SHIFT 4 | |
| 62 | #define ISAKMP_VERS_MINOR 0x0f | |
| 63 | #define ISAKMP_VERS_MINOR_SHIFT 0 | |
| 64 | uint8_t etype; /* Exchange Type */ | |
| 65 | uint8_t flags; /* Flags */ | |
| 66 | msgid_t msgid; | |
| 67 | uint32_t len; /* Length */ | |
| 68 | }; | |
| 69 | ||
| 70 | /* 3.2 Payload Generic Header | |
| 71 | 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 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 73 | ! Next Payload ! RESERVED ! Payload Length ! | |
| 74 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 75 | */ | |
| 76 | struct isakmp_gen { | |
| 77 | uint8_t np; /* Next Payload */ | |
| 78 | uint8_t critical; /* bit 7 - critical, rest is RESERVED */ | |
| 79 | uint16_t len; /* Payload Length */ | |
| 80 | }; | |
| 81 | ||
| 82 | #endif /* _NETINET_ISAKMP_H_ */ |