xref: /freebsd/contrib/smbfs/include/netsmb/nb_lib.h (revision a03411e84728e9b267056fd31c7d1d9d1dc1b01e)
1 /*
2  * Copyright (c) 2000, 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  * $Id: nb_lib.h,v 1.2 2000/07/17 01:49:27 bp Exp $
33  * $FreeBSD$
34  */
35 #ifndef _NETSMB_NB_LIB_H_
36 #define	_NETSMB_NB_LIB_H_
37 
38 /*
39  * Error codes
40  */
41 #define NBERR_INVALIDFORMAT	0x0001
42 #define NBERR_SRVFAILURE	0x0002
43 #define NBERR_NAMENOTFOUND	0x0003
44 #define NBERR_IMP		0x0004
45 #define NBERR_REFUSED		0x0005
46 #define NBERR_ACTIVE		0x0006
47 #define NBERR_HOSTNOTFOUND	0x0101
48 #define NBERR_TOOMANYREDIRECTS	0x0102
49 #define NBERR_INVALIDRESPONSE	0x0103
50 #define NBERR_NAMETOOLONG	0x0104
51 #define	NBERR_NOBCASTIFS	0x0105
52 #define NBERR_MAX		0x0106
53 #define NBERROR(e)		((e) |  SMB_NB_ERROR)
54 
55 #define	NBCF_RESOLVED	0x0001
56 
57 /*
58  * nb environment
59  */
60 struct nb_ctx {
61 	int		nb_flags;
62 	int		nb_timo;
63 	char *		nb_scope;	/* NetBIOS scope */
64 	char *		nb_nsname;	/* name server */
65 	struct sockaddr_in	nb_ns;	/* ip addr of name server */
66 	struct sockaddr_in	nb_lastns;
67 	long		nb_nmbtcpport;	/* default: NMB_TCP_PORT = 137 */
68 	long		nb_smbtcpport;	/* default: SMB_TCP_PORT = 139 */
69 };
70 
71 /*
72  * resource record
73  */
74 struct nbns_rr {
75 	u_char *	rr_name;	/* compressed NETBIOS name */
76 	u_int16_t	rr_type;
77 	u_int16_t	rr_class;
78 	u_int32_t	rr_ttl;
79 	u_int16_t	rr_rdlength;
80 	u_char *	rr_data;
81 };
82 
83 #define NBRQF_BROADCAST		0x0001
84 /*
85  * nbns request
86  */
87 struct nbns_rq {
88 	int		nr_opcode;
89 	int		nr_nmflags;
90 	int		nr_rcode;
91 	int		nr_qdcount;
92 	int		nr_ancount;
93 	int		nr_nscount;
94 	int		nr_arcount;
95 	struct nb_name*	nr_qdname;
96 	u_int16_t	nr_qdtype;
97 	u_int16_t	nr_qdclass;
98 	struct sockaddr_in nr_dest;	/* receiver of query */
99 	struct sockaddr_in nr_sender;	/* sender of response */
100 	int		nr_rpnmflags;
101 	int		nr_rprcode;
102 	u_int16_t	nr_rpancount;
103 	u_int16_t	nr_rpnscount;
104 	u_int16_t	nr_rparcount;
105 	u_int16_t	nr_trnid;
106 	struct nb_ctx *	nr_nbd;
107 	struct mbdata	nr_rq;
108 	struct mbdata	nr_rp;
109 	struct nb_ifdesc *nr_if;
110 	int		nr_flags;
111 	int		nr_fd;
112 };
113 
114 struct nb_ifdesc {
115 	int		id_flags;
116 	struct in_addr	id_addr;
117 	struct in_addr	id_mask;
118 	char		id_name[16];	/* actually IFNAMSIZ */
119 	struct nb_ifdesc * id_next;
120 };
121 
122 struct sockaddr;
123 
124 __BEGIN_DECLS
125 
126 int nb_name_len(struct nb_name *);
127 int nb_name_encode(struct nb_name *, u_char *);
128 int nb_encname_len(const char *);
129 
130 int  nb_snballoc(int namelen, struct sockaddr_nb **);
131 void nb_snbfree(struct sockaddr*);
132 int  nb_sockaddr(struct sockaddr *, struct nb_name *, struct sockaddr_nb **);
133 
134 int  nb_resolvehost_in(const char *, struct sockaddr **, long);
135 int  nbns_resolvename(const char *, struct nb_ctx *, struct sockaddr **);
136 int  nb_getlocalname(char *name);
137 int  nb_enum_if(struct nb_ifdesc **, int);
138 
139 const char *nb_strerror(int error);
140 
141 int  nb_ctx_create(struct nb_ctx **);
142 void nb_ctx_done(struct nb_ctx *);
143 int  nb_ctx_setns(struct nb_ctx *, const char *);
144 int  nb_ctx_setscope(struct nb_ctx *, const char *);
145 int  nb_ctx_resolve(struct nb_ctx *);
146 int  nb_ctx_readrcsection(struct rcfile *, struct nb_ctx *, const char *, int);
147 
148 __END_DECLS
149 
150 #endif /* !_NETSMB_NB_LIB_H_ */
151