2 * Copyright (c) 2000, 2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 * $Id: nb.c,v 1.4 2001/04/16 04:33:01 bp Exp $
34 #include <sys/param.h>
35 #include <sys/socket.h>
47 #include <netsmb/netbios.h>
48 #include <netsmb/smb_lib.h>
49 #include <netsmb/nb_lib.h>
52 nb_ctx_create(struct nb_ctx **ctxpp)
56 ctx = malloc(sizeof(struct nb_ctx));
59 bzero(ctx, sizeof(struct nb_ctx));
65 nb_ctx_done(struct nb_ctx *ctx)
74 nb_ctx_setns(struct nb_ctx *ctx, const char *addr)
76 if (addr == NULL || addr[0] == 0)
80 if ((ctx->nb_nsname = strdup(addr)) == NULL)
86 nb_ctx_setscope(struct nb_ctx *ctx, const char *scope)
88 size_t slen = strlen(scope);
91 smb_error("scope '%s' is too long", 0, scope);
96 ctx->nb_scope = malloc(slen + 1);
97 if (ctx->nb_scope == NULL)
99 nls_str_upper(ctx->nb_scope, scope);
104 nb_ctx_resolve(struct nb_ctx *ctx)
106 struct sockaddr *sap;
109 ctx->nb_flags &= ~NBCF_RESOLVED;
111 if (ctx->nb_nsname == NULL) {
112 ctx->nb_ns.sin_addr.s_addr = htonl(INADDR_BROADCAST);
114 error = nb_resolvehost_in(ctx->nb_nsname, &sap);
116 smb_error("can't resolve %s", error, ctx->nb_nsname);
119 if (sap->sa_family != AF_INET) {
120 smb_error("unsupported address family %d", 0, sap->sa_family);
123 bcopy(sap, &ctx->nb_ns, sizeof(ctx->nb_ns));
126 ctx->nb_ns.sin_port = htons(137);
127 ctx->nb_ns.sin_family = AF_INET;
128 ctx->nb_ns.sin_len = sizeof(ctx->nb_ns);
129 ctx->nb_flags |= NBCF_RESOLVED;
139 nb_ctx_readrcsection(struct rcfile *rcfile, struct nb_ctx *ctx,
140 const char *sname, int level)
147 rc_getint(rcfile, sname, "nbtimeout", &ctx->nb_timo);
148 rc_getstringptr(rcfile, sname, "nbns", &p);
150 error = nb_ctx_setns(ctx, p);
152 smb_error("invalid address specified in the section %s", 0, sname);
156 rc_getstringptr(rcfile, sname, "nbscope", &p);
158 nb_ctx_setscope(ctx, p);
162 static const char *nb_err_rcode[] = {
163 "bad request/response format",
164 "NBNS server failure",
166 "unsupported request",
168 "name already registered"
171 static const char *nb_err[] = {
173 "too many redirects",
175 "NETBIOS name too long",
176 "no interface to broadcast on and no NBNS server specified"
180 nb_strerror(int error)
184 if (error <= NBERR_ACTIVE)
185 return nb_err_rcode[error - 1];
186 else if (error >= NBERR_HOSTNOTFOUND && error < NBERR_MAX)
187 return nb_err[error - NBERR_HOSTNOTFOUND];