smbclnt/smbutil/lookup.c

/*
 * Copyright (c) 2000, Boris Popov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Boris Popov.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: lookup.c,v 1.1.1.1 2001/06/09 00:28:13 zarzycki Exp $
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <sys/param.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <stdio.h>
#include <err.h>
#include <unistd.h>
#include <strings.h>
#include <stdlib.h>
#include <sysexits.h>
#include <libintl.h>

#include <netinet/in.h>
#include <arpa/inet.h>

#include <cflib.h>

#include <netsmb/netbios.h>
#include <netsmb/smb_lib.h>
#include <netsmb/nb_lib.h>

#include "common.h"


int
cmd_lookup(int argc, char *argv[])
{
    struct nb_ctx *ctx;
    struct sockaddr *sap;
    char *hostname;
    int error, opt;

    if (argc < 2)
        lookup_usage();
    error = nb_ctx_create(&ctx);
    if (error) {
        smb_error(gettext("unable to create nbcontext"), error);
        exit(1);
    }
    if (smb_open_rcfile(NULL) == 0) {
        if (nb_ctx_readrcsection(NULL, ctx, "default", 0) != 0)
            exit(1);
        smb_close_rcfile();
    }
    if ((ctx->nb_flags & NBCF_NS_ENABLE) == 0) {
        fprintf(stderr,
            gettext("nbns_enable=false, cannot do lookup\n"));
        exit(1);
    }
    while ((opt = getopt(argc, argv, "w:")) != EOF) {
        switch (opt) {
        case 'w':
            nb_ctx_setns(ctx, optarg);
            break;
        default:
            lookup_usage();
            /*NOTREACHED*/
        }
    }
    if (optind >= argc)
        lookup_usage();
    if (nb_ctx_resolve(ctx) != 0)
        exit(1);
    hostname = argv[argc - 1];
    error = nbns_resolvename(hostname, ctx, &sap);
    if (error) {
        smb_error(gettext("unable to resolve %s"), error, hostname);
        exit(1);
    }
    printf(gettext("Got response from %s\n"),
        inet_ntoa(ctx->nb_lastns.sin_addr));
    printf(gettext("IP address of %s: %s\n"), hostname,
        inet_ntoa(((struct sockaddr_in *)sap)->sin_addr));
    return (0);
}


void
lookup_usage(void)
{
    printf(gettext("usage: smbutil lookup [-w host] name\n"));
    exit(1);
}