/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Bootstrap Protocol (BOOTP). RFC 951. */ /* * HISTORY * * 14 May 1992 ? at NeXT * Added correct padding to struct nextvend. This is * needed for the i386 due to alignment differences wrt * the m68k. Also adjusted the size of the array fields * because the NeXT vendor area was overflowing the bootp * packet. */ #include <netinet/udp.h> #define iaddr_t struct in_addr struct bootp { u_char bp_op; /* packet opcode type */ #define BOOTREQUEST 1 #define BOOTREPLY 2 u_char bp_htype; /* hardware addr type */ u_char bp_hlen; /* hardware addr length */ u_char bp_hops; /* gateway hops */ u_int32_t bp_xid; /* transaction ID */ u_short bp_secs; /* seconds since boot began */ u_short bp_unused; iaddr_t bp_ciaddr; /* client IP address */ iaddr_t bp_yiaddr; /* 'your' IP address */ iaddr_t bp_siaddr; /* server IP address */ iaddr_t bp_giaddr; /* gateway IP address */ u_char bp_chaddr[16]; /* client hardware address */ u_char bp_sname[64]; /* server host name */ u_char bp_file[128]; /* boot file name */ u_char bp_vend[64]; /* vendor-specific area */ }; /* * UDP port numbers, server and client. */ #define IPPORT_BOOTPS 67 #define IPPORT_BOOTPC 68 /* * "vendor" data permitted for Stanford boot clients. */ struct vend { u_char v_magic[4]; /* magic number */ u_int32_t v_flags; /* flags/opcodes, etc. */ u_char v_unused[56]; /* currently unused */ }; #define VM_STANFORD "STAN" /* v_magic for Stanford */ /* v_flags values */ #define VF_PCBOOT 1 /* an IBMPC or Mac wants environment info */ #define VF_HELP 2 /* help me, I'm not registered */ #define NVMAXTEXT 55 /* don't change this, it just fits RFC951 */ struct nextvend { u_char nv_magic[4]; /* Magic number for vendor specificity */ u_char nv_version; /* NeXT protocol version */ /* * Round the beginning * of the union to a 16 * bit boundary due to * struct/union alignment * on the m68k. */ unsigned short :0; union { u_char NV0[58]; struct { u_char NV1_opcode; /* opcode - Version 1 */ u_char NV1_xid; /* transcation id */ u_char NV1_text[NVMAXTEXT]; /* text */ u_char NV1_null; /* null terminator */ } NV1; } nv_U; }; #define nv_unused nv_U.NV0 #define nv_opcode nv_U.NV1.NV1_opcode #define nv_xid nv_U.NV1.NV1_xid #define nv_text nv_U.NV1.NV1_text #define nv_null nv_U.NV1.NV1_null /* Magic number */ #define VM_NEXT "NeXT" /* v_magic for NeXT, Inc. */ /* Opcodes */ #define BPOP_OK 0 #define BPOP_QUERY 1 #define BPOP_QUERY_NE 2 #define BPOP_ERROR 3 struct bootp_packet { struct ip bp_ip; struct udphdr bp_udp; struct bootp bp_bootp; }; #define BOOTP_PKTSIZE (sizeof (struct bootp_packet)) /* backoffs must be masks */ #define BOOTP_MIN_BACKOFF 0x7ff /* 2.048 sec */ #define BOOTP_MAX_BACKOFF 0xffff /* 65.535 sec */ #define BOOTP_RETRY 6 /* # retries */