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bootp.h revision 1.1 
      1 /* @(#) $Header: /tank/opengrok/rsync2/NetBSD/src/sys/lib/libsa/bootp.h,v 1.1 1994/05/08 16:11:18 brezak Exp $ (LBL) */
      2 /*
      3  * Bootstrap Protocol (BOOTP).  RFC951 and RFC1048.
      4  *
      5  * This file specifies the "implementation-independent" BOOTP protocol
      6  * information which is common to both client and server.
      7  *
      8  * Copyright 1988 by Carnegie Mellon.
      9  *
     10  * Permission to use, copy, modify, and distribute this program for any
     11  * purpose and without fee is hereby granted, provided that this copyright
     12  * and permission notice appear on all copies and supporting documentation,
     13  * the name of Carnegie Mellon not be used in advertising or publicity
     14  * pertaining to distribution of the program without specific prior
     15  * permission, and notice be given in supporting documentation that copying
     16  * and distribution is by permission of Carnegie Mellon and Stanford
     17  * University.  Carnegie Mellon makes no representations about the
     18  * suitability of this software for any purpose.  It is provided "as is"
     19  * without express or implied warranty.
     20  */
     21 
     22 
     23 struct bootp {
     24 	unsigned char	bp_op;		/* packet opcode type */
     25 	unsigned char	bp_htype;	/* hardware addr type */
     26 	unsigned char	bp_hlen;	/* hardware addr length */
     27 	unsigned char	bp_hops;	/* gateway hops */
     28 	unsigned long	bp_xid;		/* transaction ID */
     29 	unsigned short	bp_secs;	/* seconds since boot began */
     30 	unsigned short	bp_unused;
     31 	struct in_addr	bp_ciaddr;	/* client IP address */
     32 	struct in_addr	bp_yiaddr;	/* 'your' IP address */
     33 	struct in_addr	bp_siaddr;	/* server IP address */
     34 	struct in_addr	bp_giaddr;	/* gateway IP address */
     35 	unsigned char	bp_chaddr[16];	/* client hardware address */
     36 	unsigned char	bp_sname[64];	/* server host name */
     37 	unsigned char	bp_file[128];	/* boot file name */
     38 	unsigned char	bp_vend[64];	/* vendor-specific area */
     39 };
     40 
     41 /*
     42  * UDP port numbers, server and client.
     43  */
     44 #define	IPPORT_BOOTPS		67
     45 #define	IPPORT_BOOTPC		68
     46 
     47 #define BOOTREPLY		2
     48 #define BOOTREQUEST		1
     49 
     50 
     51 /*
     52  * Vendor magic cookie (v_magic) for CMU
     53  */
     54 #define VM_CMU		"CMU"
     55 
     56 /*
     57  * Vendor magic cookie (v_magic) for RFC1048
     58  */
     59 #define VM_RFC1048	{ 99, 130, 83, 99 }
     60 
     61 
     62 
     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