1 /* $NetBSD: bootp.h,v 1.2 1994/10/26 05:44:39 cgd Exp $ */ 2 3 /* 4 * Bootstrap Protocol (BOOTP). RFC951 and RFC1048. 5 * 6 * This file specifies the "implementation-independent" BOOTP protocol 7 * information which is common to both client and server. 8 * 9 * Copyright 1988 by Carnegie Mellon. 10 * 11 * Permission to use, copy, modify, and distribute this program for any 12 * purpose and without fee is hereby granted, provided that this copyright 13 * and permission notice appear on all copies and supporting documentation, 14 * the name of Carnegie Mellon not be used in advertising or publicity 15 * pertaining to distribution of the program without specific prior 16 * permission, and notice be given in supporting documentation that copying 17 * and distribution is by permission of Carnegie Mellon and Stanford 18 * University. Carnegie Mellon makes no representations about the 19 * suitability of this software for any purpose. It is provided "as is" 20 * without express or implied warranty. 21 */ 22 23 24 struct bootp { 25 unsigned char bp_op; /* packet opcode type */ 26 unsigned char bp_htype; /* hardware addr type */ 27 unsigned char bp_hlen; /* hardware addr length */ 28 unsigned char bp_hops; /* gateway hops */ 29 unsigned long bp_xid; /* transaction ID */ 30 unsigned short bp_secs; /* seconds since boot began */ 31 unsigned short bp_unused; 32 struct in_addr bp_ciaddr; /* client IP address */ 33 struct in_addr bp_yiaddr; /* 'your' IP address */ 34 struct in_addr bp_siaddr; /* server IP address */ 35 struct in_addr bp_giaddr; /* gateway IP address */ 36 unsigned char bp_chaddr[16]; /* client hardware address */ 37 unsigned char bp_sname[64]; /* server host name */ 38 unsigned char bp_file[128]; /* boot file name */ 39 unsigned char bp_vend[64]; /* vendor-specific area */ 40 }; 41 42 /* 43 * UDP port numbers, server and client. 44 */ 45 #define IPPORT_BOOTPS 67 46 #define IPPORT_BOOTPC 68 47 48 #define BOOTREPLY 2 49 #define BOOTREQUEST 1 50 51 52 /* 53 * Vendor magic cookie (v_magic) for CMU 54 */ 55 #define VM_CMU "CMU" 56 57 /* 58 * Vendor magic cookie (v_magic) for RFC1048 59 */ 60 #define VM_RFC1048 { 99, 130, 83, 99 } 61 62 63 64 /* 65 * RFC1048 tag values used to specify what information is being supplied in 66 * the vendor field of the packet. 67 */ 68 69 #define TAG_PAD ((unsigned char) 0) 70 #define TAG_SUBNET_MASK ((unsigned char) 1) 71 #define TAG_TIME_OFFSET ((unsigned char) 2) 72 #define TAG_GATEWAY ((unsigned char) 3) 73 #define TAG_TIME_SERVER ((unsigned char) 4) 74 #define TAG_NAME_SERVER ((unsigned char) 5) 75 #define TAG_DOMAIN_SERVER ((unsigned char) 6) 76 #define TAG_LOG_SERVER ((unsigned char) 7) 77 #define TAG_COOKIE_SERVER ((unsigned char) 8) 78 #define TAG_LPR_SERVER ((unsigned char) 9) 79 #define TAG_IMPRESS_SERVER ((unsigned char) 10) 80 #define TAG_RLP_SERVER ((unsigned char) 11) 81 #define TAG_HOSTNAME ((unsigned char) 12) 82 #define TAG_BOOTSIZE ((unsigned char) 13) 83 #define TAG_DUMPFILE ((unsigned char) 14) 84 #define TAG_DOMAINNAME ((unsigned char) 15) 85 #define TAG_SWAPSERVER ((unsigned char) 16) 86 #define TAG_ROOTPATH ((unsigned char) 17) 87 #define TAG_END ((unsigned char) 255) 88 89 90 91 /* 92 * "vendor" data permitted for CMU bootp clients. 93 */ 94 95 struct cmu_vend { 96 unsigned char v_magic[4]; /* magic number */ 97 unsigned long v_flags; /* flags/opcodes, etc. */ 98 struct in_addr v_smask; /* Subnet mask */ 99 struct in_addr v_dgate; /* Default gateway */ 100 struct in_addr v_dns1, v_dns2; /* Domain name servers */ 101 struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */ 102 struct in_addr v_ts1, v_ts2; /* Time servers */ 103 unsigned char v_unused[25]; /* currently unused */ 104 }; 105 106 107 /* v_flags values */ 108 #define VF_SMASK 1 /* Subnet mask field contains valid data */ 109