sys/netsmb/netbios.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (c) 2000-2001 Boris Popov
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28 #ifndef _NETSMB_NETBIOS_H_
  29 #define _NETSMB_NETBIOS_H_
  30
  31 /*
  32  * make this file dirty...
  33  */
  34 #ifndef _NETINET_IN_H_
  35 #include <netinet/in.h>
  36 #endif
  37
  38 #define NMB_TCP_PORT    137
  39
  40 #define NBPROTO_TCPSSN  1               /* NETBIOS session over TCP */
  41 #define NBPROTO_IPXSSN  11              /* NETBIOS over IPX */
  42
  43 #define NB_NAMELEN      16
  44 #define NB_ENCNAMELEN   NB_NAMELEN * 2
  45 #define NB_MAXLABLEN    63
  46
  47 #define NB_MINSALEN     (sizeof(struct sockaddr_nb))
  48
  49 /*
  50  * name types
  51  */
  52 #define NBT_WKSTA               0x00
  53 #define NBT_MESSENGER           0x03
  54 #define NBT_RAS_SERVER          0x06
  55 #define NBT_DOMAIN_MASTER_BROWSER       0x1B
  56 #define NBT_DOMAIN_CONTROLLER   0x1C
  57 #define NBT_MASTER_BROWSER      0x1D
  58 #define NBT_NETDDE              0x1F
  59 #define NBT_SERVER              0x20
  60 #define NBT_RAS_CLIENT          0x21
  61
  62 /*
  63  * Session packet types
  64  */
  65 #define NB_SSN_MESSAGE          0x0
  66 #define NB_SSN_REQUEST          0x81
  67 #define NB_SSN_POSRESP          0x82
  68 #define NB_SSN_NEGRESP          0x83
  69 #define NB_SSN_RTGRESP          0x84
  70 #define NB_SSN_KEEPALIVE        0x85
  71
  72 /*
  73  * resolver: Opcodes
  74  */
  75 #define NBNS_OPCODE_QUERY       0x00
  76 #define NBNS_OPCODE_REGISTER    0x05
  77 #define NBNS_OPCODE_RELEASE     0x06
  78 #define NBNS_OPCODE_WACK        0x07
  79 #define NBNS_OPCODE_REFRESH     0x08
  80 #define NBNS_OPCODE_RESPONSE    0x10    /* or'ed with other opcodes */
  81
  82 /*
  83  * resolver: NM_FLAGS
  84  */
  85 #define NBNS_NMFLAG_BCAST       0x01
  86 #define NBNS_NMFLAG_RA          0x08    /* recursion available */
  87 #define NBNS_NMFLAG_RD          0x10    /* recursion desired */
  88 #define NBNS_NMFLAG_TC          0x20    /* truncation occurred */
  89 #define NBNS_NMFLAG_AA          0x40    /* authoritative answer */
  90
  91 /*
  92  * resolver: Question types
  93  */
  94 #define NBNS_QUESTION_TYPE_NB           0x0020
  95 #define NBNS_QUESTION_TYPE_NBSTAT       0x0021
  96
  97 /*
  98  * resolver: Question class
  99  */
 100 #define NBNS_QUESTION_CLASS_IN  0x0001
 101
 102 /*
 103  * resolver: Limits
 104  */
 105 #define NBNS_MAXREDIRECTS       3       /* maximum number of accepted redirects */
 106 #define NBDG_MAXSIZE            576     /* maximum nbns datagram size */
 107
 108 /*
 109  * NETBIOS addressing
 110  */
 111 union nb_tran {
 112         struct sockaddr_in      x_in;
 113         /* struct sockaddr_ipx was here. */
 114 };
 115
 116 struct nb_name {
 117         u_int           nn_type;
 118         u_char          nn_name[NB_NAMELEN + 1];
 119         u_char *        nn_scope;
 120 };
 121
 122 /*
 123  * Socket address
 124  */
 125 struct sockaddr_nb {
 126         u_char          snb_len;
 127         u_char          snb_family;
 128         union nb_tran   snb_tran;               /* transport */
 129         u_char          snb_name[1 + NB_ENCNAMELEN + 1];        /* encoded */
 130 };
 131
 132 #define snb_addrin      snb_tran.x_in
 133
 134 #endif /* !_NETSMB_NETBIOS_H_ */