The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netsmb/netbios.h

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    1 /*-
    2  * Copyright (c) 2000-2001 Boris Popov
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/11.2/sys/netsmb/netbios.h 263140 2014-03-14 02:58:48Z glebius $
   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_ */

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