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110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
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/* @(#) $Header: bootp.h,v 1.7 95/05/04 17:52:46 mccanne Exp $ (LBL) */
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/*
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* Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
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*
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* This file specifies the "implementation-independent" BOOTP protocol
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* information which is common to both client and server.
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*
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* Copyright 1988 by Carnegie Mellon.
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*
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* Permission to use, copy, modify, and distribute this program for any
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* purpose and without fee is hereby granted, provided that this copyright
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* and permission notice appear on all copies and supporting documentation,
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* the name of Carnegie Mellon not be used in advertising or publicity
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* pertaining to distribution of the program without specific prior
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* permission, and notice be given in supporting documentation that copying
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* and distribution is by permission of Carnegie Mellon and Stanford
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* University. Carnegie Mellon makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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struct bootp {
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unsigned char bp_op; /* packet opcode type */
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unsigned char bp_htype; /* hardware addr type */
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unsigned char bp_hlen; /* hardware addr length */
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unsigned char bp_hops; /* gateway hops */
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u_int32_t bp_xid; /* transaction ID */
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unsigned short bp_secs; /* seconds since boot began */
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unsigned short bp_unused;
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struct in_addr bp_ciaddr; /* client IP address */
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struct in_addr bp_yiaddr; /* 'your' IP address */
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struct in_addr bp_siaddr; /* server IP address */
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struct in_addr bp_giaddr; /* gateway IP address */
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unsigned char bp_chaddr[16]; /* client hardware address */
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unsigned char bp_sname[64]; /* server host name */
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unsigned char bp_file[128]; /* boot file name */
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unsigned char bp_vend[64]; /* vendor-specific area */
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};
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/*
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* UDP port numbers, server and client.
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*/
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#define IPPORT_BOOTPS 67
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#define IPPORT_BOOTPC 68
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#define BOOTREPLY 2
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#define BOOTREQUEST 1
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/*
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* Vendor magic cookie (v_magic) for CMU
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*/
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#define VM_CMU "CMU"
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/*
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* Vendor magic cookie (v_magic) for RFC1048
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*/
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#define VM_RFC1048 { 99, 130, 83, 99 }
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/*
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* RFC1048 tag values used to specify what information is being supplied in
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* the vendor field of the packet.
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*/
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#define TAG_PAD ((unsigned char) 0)
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#define TAG_SUBNET_MASK ((unsigned char) 1)
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#define TAG_TIME_OFFSET ((unsigned char) 2)
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#define TAG_GATEWAY ((unsigned char) 3)
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#define TAG_TIME_SERVER ((unsigned char) 4)
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#define TAG_NAME_SERVER ((unsigned char) 5)
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#define TAG_DOMAIN_SERVER ((unsigned char) 6)
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#define TAG_LOG_SERVER ((unsigned char) 7)
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#define TAG_COOKIE_SERVER ((unsigned char) 8)
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#define TAG_LPR_SERVER ((unsigned char) 9)
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#define TAG_IMPRESS_SERVER ((unsigned char) 10)
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#define TAG_RLP_SERVER ((unsigned char) 11)
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#define TAG_HOSTNAME ((unsigned char) 12)
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#define TAG_BOOTSIZE ((unsigned char) 13)
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#define TAG_END ((unsigned char) 255)
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/* RFC1497 tags */
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#define TAG_DUMPPATH ((unsigned char) 14)
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#define TAG_DOMAINNAME ((unsigned char) 15)
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#define TAG_SWAP_SERVER ((unsigned char) 16)
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#define TAG_ROOTPATH ((unsigned char) 17)
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#define TAG_EXTPATH ((unsigned char) 18)
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/*
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* "vendor" data permitted for CMU bootp clients.
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*/
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struct cmu_vend {
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unsigned char v_magic[4]; /* magic number */
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u_int32_t v_flags; /* flags/opcodes, etc. */
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struct in_addr v_smask; /* Subnet mask */
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struct in_addr v_dgate; /* Default gateway */
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struct in_addr v_dns1, v_dns2; /* Domain name servers */
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struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
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struct in_addr v_ts1, v_ts2; /* Time servers */
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unsigned char v_unused[24]; /* currently unused */
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};
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/* v_flags values */
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#define VF_SMASK 1 /* Subnet mask field contains valid data */
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