1 /* $OpenBSD: main.c,v 1.6 2009/10/27 23:59:27 deraadt Exp $ */ 2 /* $NetBSD: main.c,v 1.3 1995/04/22 10:37:01 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include "extern.h" 34 #include <fcntl.h> 35 #include <unistd.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <err.h> 39 40 /*ARGSUSED*/ 41 int 42 main(argc, argv) 43 int argc; 44 char **argv; 45 { 46 char *p; 47 int i; 48 int fd; 49 50 gid = getgid(); 51 egid = getegid(); 52 setegid(gid); 53 54 fd = open("/dev/null", O_RDONLY); 55 if (fd < 3) 56 exit(1); 57 close(fd); 58 59 srandomdev(); 60 if ((p = strrchr(*argv, '/'))) 61 p++; 62 else 63 p = *argv; 64 if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0) 65 mode = MODE_DRIVER; 66 else if (strcmp(p, "sail.log") == 0) 67 mode = MODE_LOGGER; 68 else 69 mode = MODE_PLAYER; 70 while ((p = *++argv) && *p == '-') 71 switch (p[1]) { 72 case 'd': 73 mode = MODE_DRIVER; 74 break; 75 case 's': 76 mode = MODE_LOGGER; 77 break; 78 case 'D': 79 debug++; 80 break; 81 case 'x': 82 randomize++; 83 break; 84 case 'l': 85 longfmt++; 86 break; 87 case 'b': 88 nobells++; 89 break; 90 default: 91 errx(1, "unknown flag %s", p); 92 } 93 if (*argv) 94 game = atoi(*argv); 95 else 96 game = -1; 97 if ((i = setjmp(restart))) 98 mode = i; 99 switch (mode) { 100 case MODE_PLAYER: 101 return pl_main(); 102 case MODE_DRIVER: 103 return dr_main(); 104 case MODE_LOGGER: 105 return lo_main(); 106 default: 107 warnx("Unknown mode %d", mode); 108 abort(); 109 } 110 /*NOTREACHED*/ 111 } 112