1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2002 Networks Associates Technology, Inc. 5 * All rights reserved. 6 * 7 * This software was developed for the FreeBSD Project by Network 8 * Associates Laboratories, the Security Research Division of Network 9 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 10 * ("CBOSS"), as part of the DARPA CHATS research program. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The names of the authors may not be used to endorse or promote 21 * products derived from this software without specific prior written 22 * permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 #include <sys/types.h> 37 #include <sys/mac.h> 38 39 #include <err.h> 40 #include <paths.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <sysexits.h> 45 #include <unistd.h> 46 47 #define MAXELEMENTS 32 48 49 static void 50 usage(void) 51 { 52 53 fprintf(stderr, "getpmac [-l list,of,labels] [-p pid]\n"); 54 exit (EX_USAGE); 55 } 56 57 int 58 main(int argc, char *argv[]) 59 { 60 char *labellist, *string; 61 mac_t label; 62 pid_t pid; 63 int ch, error, pid_set; 64 65 pid_set = 0; 66 pid = 0; 67 labellist = NULL; 68 while ((ch = getopt(argc, argv, "l:p:")) != -1) { 69 switch (ch) { 70 case 'l': 71 if (labellist != NULL) 72 usage(); 73 labellist = argv[optind - 1]; 74 break; 75 case 'p': 76 if (pid_set) 77 usage(); 78 pid = atoi(argv[optind - 1]); 79 pid_set = 1; 80 break; 81 default: 82 usage(); 83 } 84 85 } 86 87 argc -= optind; 88 argv += optind; 89 90 if (argc != 0) 91 usage(); 92 93 if (labellist != NULL) 94 error = mac_prepare(&label, labellist); 95 else 96 error = mac_prepare_process_label(&label); 97 if (error != 0) { 98 perror("mac_prepare"); 99 return (-1); 100 } 101 102 if (pid_set) { 103 error = mac_get_pid(pid, label); 104 if (error) 105 perror("mac_get_pid"); 106 } else { 107 error = mac_get_proc(label); 108 if (error) 109 perror("mac_get_proc"); 110 } 111 if (error) { 112 mac_free(label); 113 exit (-1); 114 } 115 error = mac_to_text(label, &string); 116 if (error != 0) { 117 perror("mac_to_text"); 118 exit(EX_DATAERR); 119 } 120 121 if (strlen(string) > 0) 122 printf("%s\n", string); 123 124 mac_free(label); 125 free(string); 126 exit(EX_OK); 127 } 128