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Annotation of sys/lib/libsa/bootp.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: bootp.h,v 1.5 2003/08/11 06:23:09 deraadt Exp $       */
                      2: /*     $NetBSD: bootp.h,v 1.3 1996/09/26 23:22:01 cgd Exp $    */
                      3:
                      4: /*
                      5:  * Bootstrap Protocol (BOOTP).  RFC951 and RFC1048.
                      6:  *
                      7:  * This file specifies the "implementation-independent" BOOTP protocol
                      8:  * information which is common to both client and server.
                      9:  *
                     10:  * Copyright 1988 by Carnegie Mellon.
                     11:  *
                     12:  * Permission to use, copy, modify, and distribute this program for any
                     13:  * purpose and without fee is hereby granted, provided that this copyright
                     14:  * and permission notice appear on all copies and supporting documentation,
                     15:  * the name of Carnegie Mellon not be used in advertising or publicity
                     16:  * pertaining to distribution of the program without specific prior
                     17:  * permission, and notice be given in supporting documentation that copying
                     18:  * and distribution is by permission of Carnegie Mellon and Stanford
                     19:  * University.  Carnegie Mellon makes no representations about the
                     20:  * suitability of this software for any purpose.  It is provided "as is"
                     21:  * without express or implied warranty.
                     22:  */
                     23:
                     24: #define BP_CHADDR_LEN  16
                     25: #define BP_SNAME_LEN   64
                     26: #define BP_FILE_LEN    128
                     27: #define BP_VEND_LEN    64
                     28: #define BP_MINPKTSZ    300     /* to check sizeof(struct bootp) */
                     29:
                     30:
                     31: struct bootp {
                     32:        u_char          bp_op;                  /* packet opcode type */
                     33:        u_char          bp_htype;               /* hardware addr type */
                     34:        u_char          bp_hlen;                /* hardware addr length */
                     35:        u_char          bp_hops;                /* gateway hops */
                     36:        u_int           bp_xid;                 /* transaction ID */
                     37:        u_short         bp_secs;                /* seconds since boot began */
                     38:        u_short         bp_flags;               /* RFC1532 broadcast, etc. */
                     39:        struct in_addr  bp_ciaddr;              /* client IP address */
                     40:        struct in_addr  bp_yiaddr;              /* 'your' IP address */
                     41:        struct in_addr  bp_siaddr;              /* server IP address */
                     42:        struct in_addr  bp_giaddr;              /* gateway IP address */
                     43:        u_char          bp_chaddr[BP_CHADDR_LEN];/* client hardware address */
                     44:        u_char          bp_sname[BP_SNAME_LEN]; /* server host name */
                     45:        u_char          bp_file[BP_FILE_LEN];   /* boot file name */
                     46:        u_char          bp_vend[BP_VEND_LEN];   /* vendor-specific area */
                     47: };
                     48:
                     49: /*
                     50:  * UDP port numbers, server and client.
                     51:  */
                     52: #define        IPPORT_BOOTPS           67
                     53: #define        IPPORT_BOOTPC           68
                     54:
                     55: #define BOOTREPLY              2
                     56: #define BOOTREQUEST            1
                     57:
                     58: /*
                     59:  * Hardware types from Assigned Numbers RFC.
                     60:  */
                     61: #define HTYPE_ETHERNET         1
                     62: #define HTYPE_EXP_ETHERNET     2
                     63: #define HTYPE_AX25             3
                     64: #define HTYPE_PRONET           4
                     65: #define HTYPE_CHAOS            5
                     66: #define HTYPE_IEEE802          6
                     67: #define HTYPE_ARCNET           7
                     68:
                     69: /*
                     70:  * Vendor magic cookie (v_magic) for CMU
                     71:  */
                     72: #define VM_CMU         "CMU"
                     73:
                     74: /*
                     75:  * Vendor magic cookie (v_magic) for RFC1048
                     76:  */
                     77: #define VM_RFC1048     { 99, 130, 83, 99 }
                     78:
                     79: 
                     80:
                     81: /*
                     82:  * RFC1048 tag values used to specify what information is being supplied in
                     83:  * the vendor field of the packet.
                     84:  */
                     85:
                     86: #define TAG_PAD                        ((unsigned char)   0)
                     87: #define TAG_SUBNET_MASK                ((unsigned char)   1)
                     88: #define TAG_TIME_OFFSET                ((unsigned char)   2)
                     89: #define TAG_GATEWAY            ((unsigned char)   3)
                     90: #define TAG_TIME_SERVER                ((unsigned char)   4)
                     91: #define TAG_NAME_SERVER                ((unsigned char)   5)
                     92: #define TAG_DOMAIN_SERVER      ((unsigned char)   6)
                     93: #define TAG_LOG_SERVER         ((unsigned char)   7)
                     94: #define TAG_COOKIE_SERVER      ((unsigned char)   8)
                     95: #define TAG_LPR_SERVER         ((unsigned char)   9)
                     96: #define TAG_IMPRESS_SERVER     ((unsigned char)  10)
                     97: #define TAG_RLP_SERVER         ((unsigned char)  11)
                     98: #define TAG_HOSTNAME           ((unsigned char)  12)
                     99: #define TAG_BOOTSIZE           ((unsigned char)  13)
                    100: #define TAG_DUMPFILE           ((unsigned char)  14)
                    101: #define TAG_DOMAINNAME         ((unsigned char)  15)
                    102: #define TAG_SWAPSERVER         ((unsigned char)  16)
                    103: #define TAG_ROOTPATH           ((unsigned char)  17)
                    104: #define TAG_EXTEN_FILE         ((unsigned char)  18)
                    105: #define TAG_NIS_DOMAIN         ((unsigned char)  40)
                    106: #define TAG_NIS_SERVER         ((unsigned char)  41)
                    107: #define TAG_NTP_SERVER         ((unsigned char)  42)
                    108: #define TAG_MAX_MSGSZ          ((unsigned char)  57)
                    109: #define TAG_END                        ((unsigned char) 255)
                    110:
                    111:
                    112:
                    113: /*
                    114:  * "vendor" data permitted for CMU bootp clients.
                    115:  */
                    116:
                    117: struct cmu_vend {
                    118:        unsigned char   v_magic[4];     /* magic number */
                    119:        unsigned int    v_flags;        /* flags/opcodes, etc. */
                    120:        struct in_addr  v_smask;        /* Subnet mask */
                    121:        struct in_addr  v_dgate;        /* Default gateway */
                    122:        struct in_addr  v_dns1, v_dns2; /* Domain name servers */
                    123:        struct in_addr  v_ins1, v_ins2; /* IEN-116 name servers */
                    124:        struct in_addr  v_ts1, v_ts2;   /* Time servers */
                    125:        unsigned char   v_unused[25];   /* currently unused */
                    126: };
                    127:
                    128: /* v_flags values */
                    129: #define VF_SMASK       1       /* Subnet mask field contains valid data */
                    130:
                    131: void   bootp(int);