usr/src/cmd/tsol/getlabel/getlabel.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 /*
  30  *      getlabel - gets file label.
  31  *
  32  */
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <fcntl.h>
  37 #include <string.h>
  38 #include <locale.h>
  39 #include <tsol/label.h>
  40
  41 #define s_flag  0x04
  42 #define S_flag  0x08
  43
  44
  45 static int
  46 get_label(char *filename, uint_t opt_flag)
  47 {
  48         m_label_t *fl;
  49         char    *label;
  50
  51         if ((fl = m_label_alloc(MAC_LABEL)) == NULL) {
  52                 perror("m_label_alloc");
  53                 return (1);
  54         } else if (getlabel(filename, fl) != 0) {
  55                 perror(filename);
  56                 m_label_free(fl);
  57                 return (1);
  58         }
  59
  60         (void) printf("%s:\t", filename);
  61         switch (opt_flag)  {
  62         case S_flag:
  63                 if (label_to_str(fl, &label, M_LABEL, LONG_NAMES) != 0) {
  64                         perror(gettext("%s:unable to translate "
  65                             "Sensitivity label"));
  66                         m_label_free(fl);
  67                         return (2);
  68                 }
  69                 break;
  70         case s_flag:
  71                 if (label_to_str(fl, &label, M_LABEL, SHORT_NAMES) != 0) {
  72                         perror(gettext("unable to translate "
  73                             "Sensitivity label"));
  74                         m_label_free(fl);
  75                         return (2);
  76                 }
  77                 break;
  78         default:
  79                 if (label_to_str(fl, &label, M_LABEL, DEF_NAMES) != 0) {
  80                         perror(gettext("unable to translate "
  81                             "Sensitivity label"));
  82                         m_label_free(fl);
  83                         return (2);
  84                 }
  85                 break;
  86         }
  87         (void) printf("%s\n", label);
  88
  89         free(label);
  90         m_label_free(fl);
  91         return (0);
  92 }
  93
  94 void
  95 usage(char *prog)
  96 {
  97         (void) fprintf(stderr, gettext("Usage: \n"));
  98         (void) fprintf(stderr, gettext("\t%s [-S | -s] filename ...\n"),
  99             prog);
 100         exit(1);
 101 }
 102
 103
 104 int
 105 main(int argc, char **argv)
 106 {
 107         uint_t  opt_flag = 0;
 108         int     rc = 0;
 109         int     opt;
 110         char    *prog;
 111
 112         (void) setlocale(LC_ALL, "");
 113 #if !defined(TEXT_DOMAIN)       /* Should be defined by cc -D */
 114 #define TEXT_DOMAIN     "SYS_TEST"      /* Use this only if it weren't */
 115 #endif
 116         (void) textdomain(TEXT_DOMAIN);
 117
 118         if ((prog = strrchr(argv[0], '/')) == NULL)
 119                 prog = argv[0];
 120         else
 121                 prog++;
 122
 123         if (argc < 2) {
 124                 usage(prog);
 125         }
 126
 127         while ((opt = getopt(argc, argv, ":sS")) != EOF) {
 128                 switch (opt) {
 129                 case 's':
 130                         if (opt_flag != 0)
 131                                 usage(prog);
 132                         opt_flag = s_flag;
 133                         break;
 134                 case 'S':
 135                         if (opt_flag != 0)
 136                                 usage(prog);
 137                         opt_flag = S_flag;
 138                         break;
 139                 default:
 140                         usage(prog);
 141                 }
 142         }
 143         if ((argc -= optind) < 1) {
 144                 usage(prog);
 145         }
 146         argv += optind;
 147         while (argc-- > 0) {
 148                 if (get_label(*argv++, opt_flag) != 0)
 149                         rc = 2;
 150         }
 151         return (rc);
 152 }