hextoalabel.c revision 50981ffc7e4c5048d14890df805afee6ec113991
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* hextoalabel - Convert an internal label to its human readable
* equivalent.
*/
#include <errno.h>
#include <libintl.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stropts.h>
#include <sys/param.h>
#include <tsol/label.h>
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif /* !defined(TEXT_DOMAIN) */
static void
label_error(const char *hex, const int err)
{
if (errno == EINVAL) {
switch (err) {
case M_BAD_STRING:
(void) fprintf(stderr,
gettext("hextoalabel: bad string %s\n"), hex);
break;
case M_BAD_LABEL:
(void) fprintf(stderr,
gettext("hextoalabel: bad previous label\n"));
break;
default:
(void) fprintf(stderr,
gettext("hextoalabel: parsing error found in "
"\"%s\" at position %d\n"), hex, err);
break;
}
} else {
perror("hextoalabel");
}
exit(1);
/*NOTREACHED*/
}
int
main(int argc, char **argv)
{
int cflg = 0; /* true if Clearance only */
int errflg = 0; /* true if arg error */
m_label_t *label = NULL;
char hex[PIPE_BUF]; /* internal label */
char *ascii = NULL; /* human readable label to print */
int err = 0; /* label error */
int c;
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
opterr = 0;
while ((c = getopt(argc, argv, "c")) != EOF) {
switch (c) {
case 'c':
cflg++;
break;
default:
errflg++;
break;
}
}
argc -= optind - 1;
if (errflg || argc > 2) {
(void) fprintf(stderr,
gettext("usage: %s [-c] [hexadecimal label]\n"), argv[0]);
exit(1);
/*NOTREACHED*/
}
if (argc == 2) {
/* use label on command line */
(void) strlcpy(hex, argv[optind], sizeof (hex));
} else {
/* read label from standard input */
if ((c = read(STDIN_FILENO, hex, sizeof (hex))) <= 0) {
perror(gettext("reading hexadecimal label"));
exit(1);
/*NOTREACHED*/
}
/*
* replace '\n' or (end of buffer) with end of string.
*/
hex[c-1] = '\0';
/*
* flush any remaining input past the size of the buffer.
*/
(void) ioctl(STDIN_FILENO, I_FLUSH, FLUSHR);
}
if (cflg) {
if (str_to_label(hex, &label, USER_CLEAR, L_NO_CORRECTION,
&err) == -1) {
label_error(hex, err);
}
if (label_to_str(label, &ascii, M_LABEL, DEF_NAMES) != 0) {
perror("label_to_str");
exit(1);
}
(void) printf("%s\n", ascii);
m_label_free(label);
free(ascii);
} else {
if (str_to_label(hex, &label, MAC_LABEL, L_NO_CORRECTION,
&err) == -1) {
label_error(hex, err);
}
if (label_to_str(label, &ascii, M_LABEL, DEF_NAMES) != 0) {
perror("label_to_str");
exit(1);
}
(void) printf("%s\n", ascii);
m_label_free(label);
free(ascii);
}
return (0); /* really exit(0); */
}