tsol/getzonepath/getzonepath.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 *  Name:       getzonepath.c
 *
 *  Description:    Get the zone pathname associated with a label.
 *
 *  Usage:      getzonepath sensitivity_label
 */

#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <tsol/label.h>

static char *prog;

static void
label_error(const char *label, const int err)
{
    if (errno == EINVAL) {
        switch (err) {
        case M_BAD_STRING:
            (void) fprintf(stderr,
                gettext("%s: bad string %s\n"), prog, label);
        break;
        case M_BAD_LABEL:
            (void) fprintf(stderr,
                gettext("%s: bad previous label\n"), prog);
        break;
        default:
            (void) fprintf(stderr,
                gettext("%s: parsing error found in "
                "\"%s\" at position %d\n"), prog, label, err);
        break;
        }
    } else {
        perror(prog);
    }
    exit(1);
}

int
main(int argc, char **argv)
{
    int     err = 0;
    m_label_t   *label = NULL;
    char        *zone_root;

    (void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)   /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"  /* Use this only if it were'nt */
#endif
    (void) textdomain(TEXT_DOMAIN);

    if ((prog = strrchr(argv[0], '/')) == NULL)
        prog = argv[0];
    else
        prog++;

    if (argc != 2) {
        (void) fprintf(stderr, gettext(
            "Usage: %s label\n"), prog);
        return (1);
    }

    if (str_to_label(argv[1], &label, MAC_LABEL, L_NO_CORRECTION,
        &err) == -1) {
        label_error(argv[1], err);
    }

    if ((zone_root = getzonerootbylabel(label)) == NULL) {
        (void) fprintf(stderr,
            gettext("%s: cannot get path for label: %s.\n"), prog,
            strerror(errno));
        return (3);
    }

    (void) printf("%s\n", zone_root);

    return (0);
} /* end main() */