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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2002, 2004 Networks Associates Technology, Inc.
- * All rights reserved.
- *
- * This software was developed for the FreeBSD Project by NAI Labs, the
- * Security Research Division of Network Associates, Inc. under
- * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
- * CHATS research program.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include <sys/param.h>
- #include <sys/errno.h>
- #include <sys/mount.h>
- #include <sys/time.h>
- #include <sys/sysctl.h>
- #include <security/mac_bsdextended/mac_bsdextended.h>
- #include <err.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <ugidfw.h>
- void add_rule(int argc, char *argv[]);
- void list_rules(void);
- void remove_rule(int argc, char *argv[]);
- void set_rule(int argc, char *argv[]);
- void usage(void);
- void
- usage(void)
- {
- fprintf(stderr, "usage: ugidfw add [subject [not] [uid uid] [gid gid]]"
- " [object [not] [uid uid] \\\n");
- fprintf(stderr, " [gid gid]] mode arswxn\n");
- fprintf(stderr, " ugidfw list\n");
- fprintf(stderr, " ugidfw set rulenum [subject [not] [uid uid] [gid gid]]"
- " [object [not] \\\n");
- fprintf(stderr, " [uid uid] [gid gid]] mode arswxn\n");
- fprintf(stderr, " ugidfw remove rulenum\n");
- exit(1);
- }
- void
- add_rule(int argc, char *argv[])
- {
- char errstr[BUFSIZ], charstr[BUFSIZ];
- struct mac_bsdextended_rule rule;
- int error, rulenum;
- error = bsde_parse_rule(argc, argv, &rule, BUFSIZ, errstr);
- if (error) {
- warnx("%s", errstr);
- return;
- }
- error = bsde_add_rule(&rulenum, &rule, BUFSIZ, errstr);
- if (error) {
- warnx("%s", errstr);
- return;
- }
- if (bsde_rule_to_string(&rule, charstr, BUFSIZ) == -1)
- warnx("Added rule, but unable to print string.");
- else
- printf("%d %s\n", rulenum, charstr);
- }
- void
- list_rules(void)
- {
- char errstr[BUFSIZ], charstr[BUFSIZ];
- struct mac_bsdextended_rule rule;
- int error, i, rule_count, rule_slots;
- rule_slots = bsde_get_rule_slots(BUFSIZ, errstr);
- if (rule_slots == -1) {
- warnx("unable to get rule slots; mac_bsdextended.ko "
- "may not be loaded");
- errx(1, "bsde_get_rule_slots: %s", errstr);
- }
- rule_count = bsde_get_rule_count(BUFSIZ, errstr);
- if (rule_count == -1)
- errx(1, "bsde_get_rule_count: %s", errstr);
- printf("%d slots, %d rules\n", rule_slots, rule_count);
- for (i = 0; i < rule_slots; i++) {
- error = bsde_get_rule(i, &rule, BUFSIZ, errstr);
- switch (error) {
- case -2:
- continue;
- case -1:
- warnx("rule %d: %s", i, errstr);
- continue;
- case 0:
- break;
- }
- if (bsde_rule_to_string(&rule, charstr, BUFSIZ) == -1)
- warnx("unable to translate rule %d to string", i);
- else
- printf("%d %s\n", i, charstr);
- }
- }
- void
- set_rule(int argc, char *argv[])
- {
- char errstr[BUFSIZ];
- struct mac_bsdextended_rule rule;
- long value;
- int error, rulenum;
- char *endp;
- if (argc < 1)
- usage();
- value = strtol(argv[0], &endp, 10);
- if (*endp != '\0')
- usage();
- if ((long) value != (int) value || value < 0)
- usage();
- rulenum = value;
- error = bsde_parse_rule(argc - 1, argv + 1, &rule, BUFSIZ, errstr);
- if (error) {
- warnx("%s", errstr);
- return;
- }
- error = bsde_set_rule(rulenum, &rule, BUFSIZ, errstr);
- if (error) {
- warnx("%s", errstr);
- return;
- }
- }
- void
- remove_rule(int argc, char *argv[])
- {
- char errstr[BUFSIZ];
- long value;
- int error, rulenum;
- char *endp;
- if (argc != 1)
- usage();
- value = strtol(argv[0], &endp, 10);
- if (*endp != '\0')
- usage();
- if ((long) value != (int) value || value < 0)
- usage();
- rulenum = value;
- error = bsde_delete_rule(rulenum, BUFSIZ, errstr);
- if (error)
- warnx("%s", errstr);
- }
- int
- main(int argc, char *argv[])
- {
- if (argc < 2)
- usage();
- if (strcmp("add", argv[1]) == 0) {
- add_rule(argc-2, argv+2);
- } else if (strcmp("list", argv[1]) == 0) {
- if (argc != 2)
- usage();
- list_rules();
- } else if (strcmp("set", argv[1]) == 0) {
- set_rule(argc-2, argv+2);
- } else if (strcmp("remove", argv[1]) == 0) {
- remove_rule(argc-2, argv+2);
- } else
- usage();
- return (0);
- }
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