/*
 * 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: view.c,v 1.9 2004/12/13 00:25:39 lindak Exp $
 */

/*
 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
 */

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

#include <netsmb/smb.h>
#include <netsmb/smb_lib.h>
#include "common.h"

void
view_usage(void)
{
        printf(gettext("usage: smbutil view [connection options] //"
            "[workgroup;][user[:password]@]server\n"));
        exit(1);
}

int
cmd_view(int argc, char *argv[])
{
        struct smb_ctx *ctx;
        int error, err2, opt;

        if (argc < 2)
                view_usage();

        error = smb_ctx_alloc(&ctx);
        if (error)
                return (error);

        error = smb_ctx_scan_argv(ctx, argc, argv,
            SMBL_SERVER, SMBL_SERVER, USE_WILDCARD);
        if (error)
                goto out;

        error = smb_ctx_readrc(ctx);
        if (error)
                goto out;

        while ((opt = getopt(argc, argv, STDPARAM_OPT)) != EOF) {
                if (opt == '?')
                        view_usage();
                error = smb_ctx_opt(ctx, opt, optarg);
                if (error)
                        goto out;
        }

        smb_ctx_setshare(ctx, "IPC$", USE_IPC);

        /*
         * Resolve the server address,
         * setup derived defaults.
         */
        error = smb_ctx_resolve(ctx);
        if (error)
                goto out;

        /*
         * Have server, share, etc. from above:
         * smb_ctx_scan_argv, option settings.
         * Get the session and tree.
         */
again:
        error = smb_ctx_get_ssn(ctx);
        if (error == EAUTH) {
                err2 = smb_get_authentication(ctx);
                if (err2 == 0)
                        goto again;
        }
        if (error) {
                smb_error(gettext("//%s: login failed"),
                    error, ctx->ct_fullserver);
                goto out;
        }

        error = smb_ctx_get_tree(ctx);
        if (error) {
                smb_error(gettext("//%s/%s: tree connect failed"),
                    error, ctx->ct_fullserver, ctx->ct_origshare);
                goto out;
        }

        /*
         * Have IPC$ tcon, now list shares.
         */
        error = share_enum_rpc(ctx, ctx->ct_fullserver);

out:
        smb_ctx_free(ctx);
        return (error);
}

#ifdef I18N     /* not defined, put here so xgettext(1) can find strings */
static char *shtype[] = {
        gettext("disk"),
        gettext("printer"),
        gettext("device"),      /* Communications device */
        gettext("IPC"),         /* Inter process communication */
        gettext("unknown")
};
#else
static char *shtype[] = {
        "disk",
        "printer",
        "device",               /* Communications device */
        "IPC",                  /* IPC Inter process communication */
        "unknown"
};
#endif

/*
 * Print one line of the share list, or
 * if SHARE is null, print the header line.
 */
void
view_print_share(char *share, int type, char *comment)
{
        char *stname;
        int stindex;

        if (share == NULL) {
                printf(gettext("Share        Type       Comment\n"));
                printf("-------------------------------\n");
                return;
        }

        stindex = type & STYPE_MASK;
        if (stindex > STYPE_UNKNOWN)
                stindex = STYPE_UNKNOWN;
        stname = gettext(shtype[stindex]);

        if (comment == NULL)
                comment = "";

        printf("%-12s %-10s %s\n", share, stname, comment);
}