| 1 | /*␊ |
| 2 | * Copyright (c) 2000 Apple Computer, 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 | * Bootstrap Protocol (BOOTP). RFC 951.␊ |
| 30 | */␊ |
| 31 | /*␊ |
| 32 | * HISTORY␊ |
| 33 | *␊ |
| 34 | * 14 May 1992 ? at NeXT␊ |
| 35 | *␉Added correct padding to struct nextvend. This is␊ |
| 36 | *␉needed for the i386 due to alignment differences wrt␊ |
| 37 | *␉the m68k. Also adjusted the size of the array fields␊ |
| 38 | *␉because the NeXT vendor area was overflowing the bootp␊ |
| 39 | *␉packet.␊ |
| 40 | */␊ |
| 41 | ␊ |
| 42 | #include <netinet/udp.h>␊ |
| 43 | ␊ |
| 44 | #define iaddr_t struct in_addr␊ |
| 45 | ␊ |
| 46 | struct bootp {␊ |
| 47 | ␉u_char␉bp_op;␉␉/* packet opcode type */␊ |
| 48 | #define␉BOOTREQUEST␉1␊ |
| 49 | #define␉BOOTREPLY␉2␊ |
| 50 | ␉u_char␉bp_htype;␉/* hardware addr type */␊ |
| 51 | ␉u_char␉bp_hlen;␉/* hardware addr length */␊ |
| 52 | ␉u_char␉bp_hops;␉/* gateway hops */␊ |
| 53 | ␉u_int32_t bp_xid;␉/* transaction ID */␊ |
| 54 | ␉u_short␉bp_secs;␉/* seconds since boot began */␉␊ |
| 55 | ␉u_short␉bp_unused;␊ |
| 56 | ␉iaddr_t␉bp_ciaddr;␉/* client IP address */␊ |
| 57 | ␉iaddr_t␉bp_yiaddr;␉/* 'your' IP address */␊ |
| 58 | ␉iaddr_t␉bp_siaddr;␉/* server IP address */␊ |
| 59 | ␉iaddr_t␉bp_giaddr;␉/* gateway IP address */␊ |
| 60 | ␉u_char␉bp_chaddr[16];␉/* client hardware address */␊ |
| 61 | ␉u_char␉bp_sname[64];␉/* server host name */␊ |
| 62 | ␉u_char␉bp_file[128];␉/* boot file name */␊ |
| 63 | ␉u_char␉bp_vend[64];␉/* vendor-specific area */␊ |
| 64 | };␊ |
| 65 | ␊ |
| 66 | /*␊ |
| 67 | * UDP port numbers, server and client.␊ |
| 68 | */␊ |
| 69 | #define␉IPPORT_BOOTPS␉␉67␊ |
| 70 | #define␉IPPORT_BOOTPC␉␉68␊ |
| 71 | ␊ |
| 72 | /*␊ |
| 73 | * "vendor" data permitted for Stanford boot clients.␊ |
| 74 | */␊ |
| 75 | struct vend {␊ |
| 76 | ␉u_char␉v_magic[4];␉/* magic number */␊ |
| 77 | ␉u_int32_t v_flags;␉/* flags/opcodes, etc. */␊ |
| 78 | ␉u_char␉v_unused[56];␉/* currently unused */␊ |
| 79 | };␊ |
| 80 | #define␉VM_STANFORD␉"STAN"␉/* v_magic for Stanford */␊ |
| 81 | ␊ |
| 82 | /* v_flags values */␊ |
| 83 | #define␉VF_PCBOOT␉1␉/* an IBMPC or Mac wants environment info */␊ |
| 84 | #define␉VF_HELP␉␉2␉/* help me, I'm not registered */␊ |
| 85 | ␊ |
| 86 | #define␉NVMAXTEXT␉55␉/* don't change this, it just fits RFC951 */␊ |
| 87 | struct nextvend {␊ |
| 88 | ␉u_char nv_magic[4];␉/* Magic number for vendor specificity */␊ |
| 89 | ␉u_char nv_version;␉/* NeXT protocol version */␊ |
| 90 | ␉/*␊ |
| 91 | ␉ * Round the beginning␊ |
| 92 | ␉ * of the union to a 16␊ |
| 93 | ␉ * bit boundary due to␊ |
| 94 | ␉ * struct/union alignment␊ |
| 95 | ␉ * on the m68k.␊ |
| 96 | ␉ */␊ |
| 97 | ␉unsigned short␉:0;␉␊ |
| 98 | ␉union {␊ |
| 99 | ␉␉u_char NV0[58];␊ |
| 100 | ␉␉struct {␊ |
| 101 | ␉␉␉u_char NV1_opcode;␉/* opcode - Version 1 */␊ |
| 102 | ␉␉␉u_char NV1_xid;␉/* transcation id */␊ |
| 103 | ␉␉␉u_char NV1_text[NVMAXTEXT];␉/* text */␊ |
| 104 | ␉␉␉u_char NV1_null;␉/* null terminator */␊ |
| 105 | ␉␉} NV1;␊ |
| 106 | ␉} nv_U;␊ |
| 107 | };␊ |
| 108 | #define␉nv_unused␉nv_U.NV0␊ |
| 109 | #define␉nv_opcode␉nv_U.NV1.NV1_opcode␊ |
| 110 | #define␉nv_xid␉␉nv_U.NV1.NV1_xid␊ |
| 111 | #define␉nv_text␉␉nv_U.NV1.NV1_text␊ |
| 112 | #define nv_null␉␉nv_U.NV1.NV1_null␊ |
| 113 | ␊ |
| 114 | /* Magic number */␊ |
| 115 | #define VM_NEXT␉␉"NeXT"␉/* v_magic for NeXT, Inc. */␊ |
| 116 | ␊ |
| 117 | /* Opcodes */␊ |
| 118 | #define␉BPOP_OK␉␉0␊ |
| 119 | #define BPOP_QUERY␉1␊ |
| 120 | #define␉BPOP_QUERY_NE␉2␊ |
| 121 | #define␉BPOP_ERROR␉3␊ |
| 122 | ␊ |
| 123 | struct bootp_packet {␊ |
| 124 | struct ip bp_ip;␊ |
| 125 | struct udphdr bp_udp;␊ |
| 126 | struct bootp bp_bootp;␊ |
| 127 | };␊ |
| 128 | ␊ |
| 129 | #define␉BOOTP_PKTSIZE (sizeof (struct bootp_packet))␊ |
| 130 | ␊ |
| 131 | /* backoffs must be masks */␊ |
| 132 | #define␉BOOTP_MIN_BACKOFF␉0x7ff␉␉/* 2.048 sec */␊ |
| 133 | #define␉BOOTP_MAX_BACKOFF␉0xffff␉␉/* 65.535 sec */␊ |
| 134 | #define␉BOOTP_RETRY␉␉6␉␉/* # retries */␊ |
| 135 | ␊ |
| 136 | |
