1 /*- 2 * Copyright (c) 2002, 2004 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 #include <sys/param.h> 34 #include <sys/errno.h> 35 #include <sys/time.h> 36 #include <sys/sysctl.h> 37 #include <sys/vnode.h> 38 39 #include <security/mac_bsdextended/mac_bsdextended.h> 40 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <ugidfw.h> 45 46 void 47 usage(void) 48 { 49 50 fprintf(stderr, "ugidfw add [subject [not] [uid uid] [gid gid]]" 51 " [object [not] [uid uid] \\\n"); 52 fprintf(stderr, " [gid gid]] mode arswxn\n"); 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 add_rule(int argc, char *argv[]) 64 { 65 char errstr[BUFSIZ]; 66 struct mac_bsdextended_rule rule; 67 long value; 68 int error, rulenum; 69 char *endp; 70 71 error = bsde_parse_rule(argc, argv, &rule, BUFSIZ, errstr); 72 if (error) { 73 fprintf(stderr, "%s\n", errstr); 74 return; 75 } 76 77 error = bsde_add_rule(&rulenum, &rule, BUFSIZ, errstr); 78 if (error) { 79 fprintf(stderr, "%s\n", errstr); 80 return; 81 } 82 printf("Added rule %d\n", rulenum); 83 } 84 85 void 86 list_rules(void) 87 { 88 char errstr[BUFSIZ], charstr[BUFSIZ]; 89 struct mac_bsdextended_rule rule; 90 int error, i, rule_count, rule_slots; 91 92 rule_slots = bsde_get_rule_slots(BUFSIZ, errstr); 93 if (rule_slots == -1) { 94 fprintf(stderr, "Unable to get rule slots; mac_bsdextended.ko " 95 "may not be loaded.\n"); 96 fprintf(stderr, "bsde_get_rule_slots: %s\n", errstr); 97 exit (-1); 98 } 99 100 rule_count = bsde_get_rule_count(BUFSIZ, errstr); 101 if (rule_count == -1) { 102 fprintf(stderr, "bsde_get_rule_count: %s\n", errstr); 103 exit (-1); 104 } 105 106 printf("%d slots, %d rules\n", rule_slots, rule_count); 107 108 for (i = 0; i <= rule_slots; i++) { 109 error = bsde_get_rule(i, &rule, BUFSIZ, errstr); 110 switch (error) { 111 case -2: 112 continue; 113 case -1: 114 fprintf(stderr, "rule %d: %s\n", i, errstr); 115 continue; 116 case 0: 117 break; 118 } 119 120 if (bsde_rule_to_string(&rule, charstr, BUFSIZ) == -1) 121 fprintf(stderr, 122 "Unable to translate rule %d to string\n", i); 123 else 124 printf("%d %s\n", i, charstr); 125 } 126 } 127 128 void 129 set_rule(int argc, char *argv[]) 130 { 131 char errstr[BUFSIZ]; 132 struct mac_bsdextended_rule rule; 133 long value; 134 int error, rulenum; 135 char *endp; 136 137 if (argc < 1) 138 usage(); 139 140 value = strtol(argv[0], &endp, 10); 141 if (*endp != '\0') 142 usage(); 143 144 if ((long) value != (int) value || value < 0) 145 usage(); 146 147 rulenum = value; 148 149 error = bsde_parse_rule(argc - 1, argv + 1, &rule, BUFSIZ, errstr); 150 if (error) { 151 fprintf(stderr, "%s\n", errstr); 152 return; 153 } 154 155 error = bsde_set_rule(rulenum, &rule, BUFSIZ, errstr); 156 if (error) { 157 fprintf(stderr, "%s\n", errstr); 158 return; 159 } 160 } 161 162 void 163 remove_rule(int argc, char *argv[]) 164 { 165 char errstr[BUFSIZ]; 166 long value; 167 int error, rulenum; 168 char *endp; 169 170 if (argc != 1) 171 usage(); 172 173 value = strtol(argv[0], &endp, 10); 174 if (*endp != '\0') 175 usage(); 176 177 if ((long) value != (int) value || value < 0) 178 usage(); 179 180 rulenum = value; 181 182 error = bsde_delete_rule(rulenum, BUFSIZ, errstr); 183 if (error) 184 fprintf(stderr, "%s\n", errstr); 185 } 186 187 int 188 main(int argc, char *argv[]) 189 { 190 191 if (argc < 2) 192 usage(); 193 194 if (strcmp("add", argv[1]) == 0) { 195 add_rule(argc-2, argv+2); 196 } else if (strcmp("list", argv[1]) == 0) { 197 if (argc != 2) 198 usage(); 199 list_rules(); 200 } else if (strcmp("set", argv[1]) == 0) { 201 set_rule(argc-2, argv+2); 202 } else if (strcmp("remove", argv[1]) == 0) { 203 remove_rule(argc-2, argv+2); 204 } else 205 usage(); 206 207 return (0); 208 } 209