/*-
* 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/cdefs.h>
#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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