xref: /freebsd/sys/netsmb/netbios.h (revision 445ed7b40948c160f2f7d363d2d0ae1ffac4aabd)
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  * $FreeBSD$
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_ */
135