xref: /freebsd/sys/netsmb/netbios.h (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 #ifndef _NETSMB_NETBIOS_H_
35 #define	_NETSMB_NETBIOS_H_
36 
37 /*
38  * make this file dirty...
39  */
40 #ifndef _NETINET_IN_H_
41 #include <netinet/in.h>
42 #endif
43 
44 #ifndef _NETIPX_IPX_H_
45 #include <netipx/ipx.h>
46 #endif
47 
48 #define	NMB_TCP_PORT	137
49 
50 #define	NBPROTO_TCPSSN	1		/* NETBIOS session over TCP */
51 #define	NBPROTO_IPXSSN	11		/* NETBIOS over IPX */
52 
53 #define NB_NAMELEN	16
54 #define	NB_ENCNAMELEN	NB_NAMELEN * 2
55 #define	NB_MAXLABLEN	63
56 
57 #define	NB_MINSALEN	(sizeof(struct sockaddr_nb))
58 
59 /*
60  * name types
61  */
62 #define	NBT_WKSTA		0x00
63 #define	NBT_MESSENGER		0x03
64 #define	NBT_RAS_SERVER		0x06
65 #define	NBT_DOMAIN_MASTER_BROWSER	0x1B
66 #define	NBT_DOMAIN_CONTROLLER	0x1C
67 #define	NBT_MASTER_BROWSER	0x1D
68 #define	NBT_NETDDE		0x1F
69 #define	NBT_SERVER		0x20
70 #define	NBT_RAS_CLIENT		0x21
71 
72 /*
73  * Session packet types
74  */
75 #define	NB_SSN_MESSAGE		0x0
76 #define	NB_SSN_REQUEST		0x81
77 #define	NB_SSN_POSRESP		0x82
78 #define	NB_SSN_NEGRESP		0x83
79 #define	NB_SSN_RTGRESP		0x84
80 #define	NB_SSN_KEEPALIVE	0x85
81 
82 /*
83  * resolver: Opcodes
84  */
85 #define	NBNS_OPCODE_QUERY	0x00
86 #define	NBNS_OPCODE_REGISTER	0x05
87 #define	NBNS_OPCODE_RELEASE	0x06
88 #define	NBNS_OPCODE_WACK	0x07
89 #define	NBNS_OPCODE_REFRESH	0x08
90 #define	NBNS_OPCODE_RESPONSE	0x10	/* or'ed with other opcodes */
91 
92 /*
93  * resolver: NM_FLAGS
94  */
95 #define	NBNS_NMFLAG_BCAST	0x01
96 #define	NBNS_NMFLAG_RA		0x08	/* recursion available */
97 #define	NBNS_NMFLAG_RD		0x10	/* recursion desired */
98 #define	NBNS_NMFLAG_TC		0x20	/* truncation occurred */
99 #define	NBNS_NMFLAG_AA		0x40	/* authoritative answer */
100 
101 /*
102  * resolver: Question types
103  */
104 #define	NBNS_QUESTION_TYPE_NB		0x0020
105 #define NBNS_QUESTION_TYPE_NBSTAT	0x0021
106 
107 /*
108  * resolver: Question class
109  */
110 #define NBNS_QUESTION_CLASS_IN	0x0001
111 
112 /*
113  * resolver: Limits
114  */
115 #define	NBNS_MAXREDIRECTS	3	/* maximum number of accepted redirects */
116 #define	NBDG_MAXSIZE		576	/* maximum nbns datagram size */
117 
118 /*
119  * NETBIOS addressing
120  */
121 union nb_tran {
122 	struct sockaddr_in	x_in;
123 	struct sockaddr_ipx	x_ipx;
124 };
125 
126 struct nb_name {
127 	u_int		nn_type;
128 	u_char		nn_name[NB_NAMELEN + 1];
129 	u_char *	nn_scope;
130 };
131 
132 /*
133  * Socket address
134  */
135 struct sockaddr_nb {
136 	u_char		snb_len;
137 	u_char		snb_family;
138 	union nb_tran	snb_tran;		/* transport */
139 	u_char		snb_name[1 + NB_ENCNAMELEN + 1];	/* encoded */
140 };
141 
142 #define	snb_addrin	snb_tran.x_in
143 
144 #endif /* !_NETSMB_NETBIOS_H_ */
145