1 /*- 2 * Copyright (c) 2002 Networks Associates Technology, Inc. 3 * All rights reserved. 4 * 5 * This software was developed for the FreeBSD Project by NAI Labs, the 6 * Security Research Division of Network Associates, Inc. under 7 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 8 * CHATS research program. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The names of the authors may not be used to endorse or promote 19 * products derived from this software without specific prior written 20 * permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 #include <sys/param.h> 37 #include <sys/errno.h> 38 #include <sys/time.h> 39 #include <sys/sysctl.h> 40 #include <sys/vnode.h> 41 42 #include <security/mac_bsdextended/mac_bsdextended.h> 43 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <ugidfw.h> 48 49 void 50 usage(void) 51 { 52 53 fprintf(stderr, "ugidfw list\n"); 54 fprintf(stderr, "ugidfw set rulenum [subject [not] [uid uid] [gid gid]]" 55 " [object [not] \\\n"); 56 fprintf(stderr, " [uid uid] [gid gid]] mode arswxn\n"); 57 fprintf(stderr, "ugidfw remove rulenum\n"); 58 59 exit(-1); 60 } 61 62 void 63 list_rules(void) 64 { 65 char errstr[BUFSIZ], charstr[BUFSIZ]; 66 struct mac_bsdextended_rule rule; 67 int error, i, rule_count, rule_slots; 68 69 rule_slots = bsde_get_rule_slots(BUFSIZ, errstr); 70 if (rule_slots == -1) { 71 fprintf(stderr, "Unable to get rule slots; mac_bsdextended.ko " 72 "may not be loaded.\n"); 73 fprintf(stderr, "bsde_get_rule_slots: %s\n", errstr); 74 exit (-1); 75 } 76 77 rule_count = bsde_get_rule_count(BUFSIZ, errstr); 78 if (rule_count == -1) { 79 fprintf(stderr, "bsde_get_rule_count: %s\n", errstr); 80 exit (-1); 81 } 82 83 printf("%d slots, %d rules\n", rule_slots, rule_count); 84 85 for (i = 0; i <= rule_slots; i++) { 86 error = bsde_get_rule(i, &rule, BUFSIZ, errstr); 87 switch (error) { 88 case -2: 89 continue; 90 case -1: 91 fprintf(stderr, "rule %d: %s\n", i, errstr); 92 continue; 93 case 0: 94 break; 95 } 96 97 if (bsde_rule_to_string(&rule, charstr, BUFSIZ) == -1) 98 fprintf(stderr, 99 "Unable to translate rule %d to string\n", i); 100 else 101 printf("%d %s\n", i, charstr); 102 } 103 } 104 105 void 106 set_rule(int argc, char *argv[]) 107 { 108 char errstr[BUFSIZ]; 109 struct mac_bsdextended_rule rule; 110 long value; 111 int error, rulenum; 112 char *endp; 113 114 if (argc < 1) 115 usage(); 116 117 value = strtol(argv[0], &endp, 10); 118 if (*endp != '\0') 119 usage(); 120 121 if ((long) value != (int) value || value < 0) 122 usage(); 123 124 rulenum = value; 125 126 error = bsde_parse_rule(argc - 1, argv + 1, &rule, BUFSIZ, errstr); 127 if (error) { 128 fprintf(stderr, "%s\n", errstr); 129 return; 130 } 131 132 error = bsde_set_rule(rulenum, &rule, BUFSIZ, errstr); 133 if (error) { 134 fprintf(stderr, "%s\n", errstr); 135 return; 136 } 137 } 138 139 void 140 remove_rule(int argc, char *argv[]) 141 { 142 char errstr[BUFSIZ]; 143 long value; 144 int error, rulenum; 145 char *endp; 146 147 if (argc != 1) 148 usage(); 149 150 value = strtol(argv[0], &endp, 10); 151 if (*endp != '\0') 152 usage(); 153 154 if ((long) value != (int) value || value < 0) 155 usage(); 156 157 rulenum = value; 158 159 error = bsde_delete_rule(rulenum, BUFSIZ, errstr); 160 if (error) 161 fprintf(stderr, "%s\n", errstr); 162 } 163 164 int 165 main(int argc, char *argv[]) 166 { 167 168 if (argc < 2) 169 usage(); 170 171 if (strcmp("list", argv[1]) == 0) { 172 if (argc != 2) 173 usage(); 174 list_rules(); 175 } else if (strcmp("set", argv[1]) == 0) { 176 set_rule(argc-2, argv+2); 177 } else if (strcmp("remove", argv[1]) == 0) { 178 remove_rule(argc-2, argv+2); 179 } else 180 usage(); 181 182 return (0); 183 } 184