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, "setpmac [label] [command] [args ...]\n"); 54 exit (EX_USAGE); 55 } 56 57 int 58 main(int argc, char *argv[]) 59 { 60 const char *shell; 61 mac_t label; 62 int error; 63 64 65 if (argc < 3) 66 usage(); 67 68 error = mac_from_text(&label, argv[1]); 69 if (error != 0) { 70 perror("mac_from_text"); 71 return (-1); 72 } 73 74 error = mac_set_proc(label); 75 if (error != 0) { 76 perror(argv[1]); 77 return (-1); 78 } 79 80 mac_free(label); 81 82 if (argc >= 3) { 83 execvp(argv[2], argv + 2); 84 err(1, "%s", argv[2]); 85 } else { 86 if (!(shell = getenv("SHELL"))) 87 shell = _PATH_BSHELL; 88 execlp(shell, shell, "-i", (char *)NULL); 89 err(1, "%s", shell); 90 } 91 /* NOTREACHED */ 92 } 93