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 */
111union nb_tran {
112 struct sockaddr_in x_in;
113 /* struct sockaddr_ipx was here. */
114};
115
116struct 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 */
125struct 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_ */