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