tsol/getlabel/getlabel.c

	getlabel.c revision f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01
/*
 * 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"

/*
 *  getlabel - gets file label.
 *
 */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <locale.h>
#include <tsol/label.h>

#define s_flag  0x04
#define S_flag  0x08


static int
get_label(char *filename, uint_t opt_flag)
{
    m_label_t *fl;
    char    *label;

    if ((fl = m_label_alloc(MAC_LABEL)) == NULL) {
        perror("m_label_alloc");
        return (1);
    } else if (getlabel(filename, fl) != 0) {
        perror(filename);
        m_label_free(fl);
        return (1);
    }

    (void) printf("%s:\t", filename);
    switch (opt_flag)  {
    case S_flag:
        if (label_to_str(fl, &label, M_LABEL, LONG_NAMES) != 0) {
            perror(gettext("%s:unable to translate "
                "Sensitivity label"));
            m_label_free(fl);
            return (2);
        }
        break;
    case s_flag:
        if (label_to_str(fl, &label, M_LABEL, SHORT_NAMES) != 0) {
            perror(gettext("unable to translate "
                "Sensitivity label"));
            m_label_free(fl);
            return (2);
        }
        break;
    default:
        if (label_to_str(fl, &label, M_LABEL, DEF_NAMES) != 0) {
            perror(gettext("unable to translate "
                "Sensitivity label"));
            m_label_free(fl);
            return (2);
        }
        break;
    }
    (void) printf("%s\n", label);

    free(label);
    m_label_free(fl);
    return (0);
}

void
usage(char *prog)
{
    (void) fprintf(stderr, gettext("Usage: \n"));
    (void) fprintf(stderr, gettext("\t%s [-S | -s] filename ...\n"),
        prog);
    exit(1);
}


int
main(int argc, char **argv)
{
    uint_t  opt_flag = 0;
    int rc = 0;
    int opt;
    char    *prog;

    (void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)   /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"  /* Use this only if it weren't */
#endif
    (void) textdomain(TEXT_DOMAIN);

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

    if (argc < 2) {
        usage(prog);
    }

    while ((opt = getopt(argc, argv, ":sS")) != EOF) {
        switch (opt) {
        case 's':
            if (opt_flag != 0)
                usage(prog);
            opt_flag = s_flag;
            break;
        case 'S':
            if (opt_flag != 0)
                usage(prog);
            opt_flag = S_flag;
            break;
        default:
            usage(prog);
        }
    }
    if ((argc -= optind) < 1) {
        usage(prog);
    }
    argv += optind;
    while (argc-- > 0) {
        if (get_label(*argv++, opt_flag) != 0)
            rc = 2;
    }
    return (rc);
}