xref: /freebsd/sys/netsmb/netbios.h (revision cc16dea626cf2fc80cde667ac4798065108e596c)
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 #ifndef _NETIPX_IPX_H_
39 #include <netipx/ipx.h>
40 #endif
41 
42 #define	NMB_TCP_PORT	137
43 
44 #define	NBPROTO_TCPSSN	1		/* NETBIOS session over TCP */
45 #define	NBPROTO_IPXSSN	11		/* NETBIOS over IPX */
46 
47 #define NB_NAMELEN	16
48 #define	NB_ENCNAMELEN	NB_NAMELEN * 2
49 #define	NB_MAXLABLEN	63
50 
51 #define	NB_MINSALEN	(sizeof(struct sockaddr_nb))
52 
53 /*
54  * name types
55  */
56 #define	NBT_WKSTA		0x00
57 #define	NBT_MESSENGER		0x03
58 #define	NBT_RAS_SERVER		0x06
59 #define	NBT_DOMAIN_MASTER_BROWSER	0x1B
60 #define	NBT_DOMAIN_CONTROLLER	0x1C
61 #define	NBT_MASTER_BROWSER	0x1D
62 #define	NBT_NETDDE		0x1F
63 #define	NBT_SERVER		0x20
64 #define	NBT_RAS_CLIENT		0x21
65 
66 /*
67  * Session packet types
68  */
69 #define	NB_SSN_MESSAGE		0x0
70 #define	NB_SSN_REQUEST		0x81
71 #define	NB_SSN_POSRESP		0x82
72 #define	NB_SSN_NEGRESP		0x83
73 #define	NB_SSN_RTGRESP		0x84
74 #define	NB_SSN_KEEPALIVE	0x85
75 
76 /*
77  * resolver: Opcodes
78  */
79 #define	NBNS_OPCODE_QUERY	0x00
80 #define	NBNS_OPCODE_REGISTER	0x05
81 #define	NBNS_OPCODE_RELEASE	0x06
82 #define	NBNS_OPCODE_WACK	0x07
83 #define	NBNS_OPCODE_REFRESH	0x08
84 #define	NBNS_OPCODE_RESPONSE	0x10	/* or'ed with other opcodes */
85 
86 /*
87  * resolver: NM_FLAGS
88  */
89 #define	NBNS_NMFLAG_BCAST	0x01
90 #define	NBNS_NMFLAG_RA		0x08	/* recursion available */
91 #define	NBNS_NMFLAG_RD		0x10	/* recursion desired */
92 #define	NBNS_NMFLAG_TC		0x20	/* truncation occurred */
93 #define	NBNS_NMFLAG_AA		0x40	/* authoritative answer */
94 
95 /*
96  * resolver: Question types
97  */
98 #define	NBNS_QUESTION_TYPE_NB		0x0020
99 #define NBNS_QUESTION_TYPE_NBSTAT	0x0021
100 
101 /*
102  * resolver: Question class
103  */
104 #define NBNS_QUESTION_CLASS_IN	0x0001
105 
106 /*
107  * resolver: Limits
108  */
109 #define	NBNS_MAXREDIRECTS	3	/* maximum number of accepted redirects */
110 #define	NBDG_MAXSIZE		576	/* maximum nbns datagram size */
111 
112 /*
113  * NETBIOS addressing
114  */
115 union nb_tran {
116 	struct sockaddr_in	x_in;
117 	struct sockaddr_ipx	x_ipx;
118 };
119 
120 struct nb_name {
121 	u_int		nn_type;
122 	u_char		nn_name[NB_NAMELEN + 1];
123 	u_char *	nn_scope;
124 };
125 
126 /*
127  * Socket address
128  */
129 struct sockaddr_nb {
130 	u_char		snb_len;
131 	u_char		snb_family;
132 	union nb_tran	snb_tran;		/* transport */
133 	u_char		snb_name[1 + NB_ENCNAMELEN + 1];	/* encoded */
134 };
135 
136 #define	snb_addrin	snb_tran.x_in
137 
138 #endif /* !_NETSMB_NETBIOS_H_ */
139