sys/lib/libsa/bootp.h

   1 /*      $NetBSD: bootp.h,v 1.9 2009/01/17 14:00:36 tsutsui 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 int    bp_xid;         /* transaction ID */
  30         unsigned short  bp_secs;        /* seconds since boot began */
  31         unsigned short  bp_flags;
  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 #ifdef SUPPORT_DHCP
  40 #define BOOTP_VENDSIZE 312
  41 #else
  42 #define BOOTP_VENDSIZE 64
  43 #endif
  44         unsigned char   bp_vend[BOOTP_VENDSIZE]; /* vendor-specific area */
  45 };
  46
  47 /*
  48  * UDP port numbers, server and client.
  49  */
  50 #define IPPORT_BOOTPS           67
  51 #define IPPORT_BOOTPC           68
  52
  53 #define BOOTREPLY               2
  54 #define BOOTREQUEST             1
  55
  56
  57 /*
  58  * Vendor magic cookie (v_magic) for CMU
  59  */
  60 #define VM_CMU          "CMU"
  61
  62 /*
  63  * Vendor magic cookie (v_magic) for RFC1048
  64  */
  65 #define VM_RFC1048      { 99, 130, 83, 99 }
  66
  67
  68 /*
  69  * RFC1048 tag values used to specify what information is being supplied in
  70  * the vendor field of the packet.
  71  */
  72
  73 #define TAG_PAD                 ((unsigned char)   0)
  74 #define TAG_SUBNET_MASK         ((unsigned char)   1)
  75 #define TAG_TIME_OFFSET         ((unsigned char)   2)
  76 #define TAG_GATEWAY             ((unsigned char)   3)
  77 #define TAG_TIME_SERVER         ((unsigned char)   4)
  78 #define TAG_NAME_SERVER         ((unsigned char)   5)
  79 #define TAG_DOMAIN_SERVER       ((unsigned char)   6)
  80 #define TAG_LOG_SERVER          ((unsigned char)   7)
  81 #define TAG_COOKIE_SERVER       ((unsigned char)   8)
  82 #define TAG_LPR_SERVER          ((unsigned char)   9)
  83 #define TAG_IMPRESS_SERVER      ((unsigned char)  10)
  84 #define TAG_RLP_SERVER          ((unsigned char)  11)
  85 #define TAG_HOSTNAME            ((unsigned char)  12)
  86 #define TAG_BOOTSIZE            ((unsigned char)  13)
  87 #define TAG_DUMPFILE            ((unsigned char)  14)
  88 #define TAG_DOMAINNAME          ((unsigned char)  15)
  89 #define TAG_SWAPSERVER          ((unsigned char)  16)
  90 #define TAG_ROOTPATH            ((unsigned char)  17)
  91
  92 #ifdef SUPPORT_DHCP
  93 #define TAG_REQ_ADDR            ((unsigned char)  50)
  94 #define TAG_LEASETIME           ((unsigned char)  51)
  95 #define TAG_OVERLOAD            ((unsigned char)  52)
  96 #define TAG_DHCP_MSGTYPE        ((unsigned char)  53)
  97 #define TAG_SERVERID            ((unsigned char)  54)
  98 #define TAG_PARAM_REQ           ((unsigned char)  55)
  99 #define TAG_MSG                 ((unsigned char)  56)
 100 #define TAG_MAXSIZE             ((unsigned char)  57)
 101 #define TAG_T1                  ((unsigned char)  58)
 102 #define TAG_T2                  ((unsigned char)  59)
 103 #define TAG_CLASSID             ((unsigned char)  60)
 104 #define TAG_CLIENTID            ((unsigned char)  61)
 105 #endif
 106
 107 #define TAG_END                 ((unsigned char) 255)
 108
 109 #ifdef SUPPORT_DHCP
 110 #define DHCPDISCOVER    1
 111 #define DHCPOFFER       2
 112 #define DHCPREQUEST     3
 113 #define DHCPDECLINE     4
 114 #define DHCPACK         5
 115 #define DHCPNAK         6
 116 #define DHCPRELEASE     7
 117 #endif
 118
 119 /*
 120  * "vendor" data permitted for CMU bootp clients.
 121  */
 122
 123 struct cmu_vend {
 124         unsigned char   v_magic[4];     /* magic number */
 125         unsigned int    v_flags;        /* flags/opcodes, etc. */
 126         struct in_addr  v_smask;        /* Subnet mask */
 127         struct in_addr  v_dgate;        /* Default gateway */
 128         struct in_addr  v_dns1, v_dns2; /* Domain name servers */
 129         struct in_addr  v_ins1, v_ins2; /* IEN-116 name servers */
 130         struct in_addr  v_ts1, v_ts2;   /* Time servers */
 131         unsigned char   v_unused[25];   /* currently unused */
 132 };
 133
 134
 135 /* v_flags values */
 136 #define VF_SMASK        1       /* Subnet mask field contains valid data */
 137
 138 extern void     bootp(int);