f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica/*
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * CDDL HEADER START
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica *
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * The contents of this file are subject to the terms of the
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * Common Development and Distribution License (the "License").
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * You may not use this file except in compliance with the License.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica *
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * or http://www.opensolaris.org/os/licensing.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * See the License for the specific language governing permissions
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * and limitations under the License.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica *
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * When distributing Covered Code, include this CDDL HEADER in each
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * If applicable, add the following below this CDDL HEADER, with the
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * fields enclosed by brackets "[]" replaced with your own identifying
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * information: Portions Copyright [yyyy] [name of copyright owner]
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica *
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * CDDL HEADER END
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica/*
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * Use is subject to license terms.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica/*
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * lslabels - Display all labels dominating the specified label.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <errno.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <libintl.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <locale.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <stdio.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <stdlib.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <string.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <unistd.h>
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen#include <stropts.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <sys/param.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <tsol/label.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <sys/tsol/label_macro.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#include <iso/limits_iso.h>
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#if !defined(TEXT_DOMAIN)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define TEXT_DOMAIN "SYS_TEST"
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#endif /* !defined(TEXT_DOMAIN) */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricaint hflg = 0; /* true if hex output */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica/*
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica * Compartment mask macros.
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricatypedef uint32_t comp_chunk_t;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define __NBWRD (CHAR_BIT * sizeof (comp_chunk_t))
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define COMP_BITS (CHAR_BIT * sizeof (Compartments_t))
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define compmask(n) (1 << ((__NBWRD - 1) - ((n) % __NBWRD)))
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define compword(n) ((n)/__NBWRD)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define COMP_ADDSET(a, p) ((comp_chunk_t *)(a))[compword(p)] |= \
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica compmask(p)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define COMP_DELSET(a, p) ((comp_chunk_t *)(a))[compword(p)] &= \
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica ~compmask(p)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica#define COMP_ISMEMBER(a, p) ((((comp_chunk_t *)(a))[compword(p)] & \
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica compmask(p)) != 0)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica/* Need functions to test if bit is on */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricavoid
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricabitfinder(m_label_t label, int next_bit) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica char *labelstr = NULL;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica Compartments_t *comps = &label.compartments;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica while (next_bit < COMP_BITS) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (COMP_ISMEMBER(comps, next_bit)) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica bitfinder(label, next_bit + 1);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica COMP_DELSET(comps, next_bit);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (label_to_str(&label, &labelstr, M_LABEL,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica LONG_NAMES) == 0) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica m_label_t *label2 = NULL;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica int err;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (str_to_label(labelstr, &label2, MAC_LABEL,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica L_NO_CORRECTION, &err) == 0) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (!hflg) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) printf("%s\n", labelstr);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica } else {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica free(labelstr);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) label_to_str(&label,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica &labelstr, M_INTERNAL, 0);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) printf("%s\n", labelstr);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica m_label_free(label2);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica free(labelstr);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica bitfinder(label, next_bit + 1);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica next_bit++;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica}
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricastatic void
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricalabel_error(const char *ascii, const int err)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica{
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (errno == EINVAL) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica switch (err) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica case M_BAD_STRING:
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) fprintf(stderr,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica gettext("lslabels: bad string %s\n"), ascii);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica case M_BAD_LABEL:
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) fprintf(stderr,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica gettext("lslabels: bad previous label\n"));
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica default:
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) fprintf(stderr,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica gettext("lslabels: parsing error found in "
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica "\"%s\" at position %d\n"), ascii, err);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica } else {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica perror("lslabels");
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica exit(1);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica /*NOTREACHED*/
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica}
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricaint
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01ricamain(int argc, char **argv)
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica{
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica int errflg = 0; /* true if arg error */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica m_label_t *label = NULL; /* binary labels */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica char ascii[PIPE_BUF]; /* human readable label */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica char *labelstr = NULL; /* external label to start from */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica int err = 0; /* label error */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica int c;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica int mode = M_LABEL;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica _Classification *level;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) setlocale(LC_ALL, "");
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) textdomain(TEXT_DOMAIN);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica opterr = 0;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica while ((c = getopt(argc, argv, "h")) != EOF) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica switch (c) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica case 'h':
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica hflg++;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica mode = M_INTERNAL;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica default:
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica errflg++;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica break;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica argc -= optind - 1;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (errflg || argc > 2) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) fprintf(stderr,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica gettext("usage: %s [-h] [label]\n"),
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica argv[0]);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica exit(1);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica /*NOTREACHED*/
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (argc == 2) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica /* use label on command line */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) strlcpy(ascii, argv[optind], sizeof (ascii));
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica } else {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica /* read label from standard input */
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen if ((c = read(STDIN_FILENO, ascii, sizeof (ascii))) <= 0) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica perror(gettext("reading ASCII coded label"));
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica exit(1);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica /*NOTREACHED*/
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen /*
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen * replace '\n' or (end of buffer) with end of string.
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen */
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen ascii[c-1] = '\0';
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen /*
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen * flush any remaining input past the size of the buffer.
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen */
50981ffc7e4c5048d14890df805afee6ec113991Tony Nguyen (void) ioctl(STDIN_FILENO, I_FLUSH, FLUSHR);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (str_to_label(ascii, &label, MAC_LABEL, L_NO_CORRECTION,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica &err) == -1) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica label_error(ascii, err);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica if (label_to_str(label, &labelstr, mode,
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica DEF_NAMES) == 0) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica (void) printf("%s\n", labelstr);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica level = &label->classification.class_u.class_chunk;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica while (*level > 0) {
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica bitfinder(*label, 0);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica *level -= 1;
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica }
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica m_label_free(label);
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica return (0); /* really exit(0); */
f875b4ebb1dd9fdbeb043557cab38ab3bf7f6e01rica}