1 /* $OpenBSD: main.c,v 1.11 2016/01/08 20:26:33 mestre 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 <err.h> 34 #include <fcntl.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <unistd.h> 38 39 #include "extern.h" 40 41 int 42 main(int argc, char **argv) 43 { 44 extern char *__progname; 45 char *p; 46 int i; 47 int fd; 48 49 gid = getgid(); 50 egid = getegid(); 51 setegid(gid); 52 53 fd = open("/dev/null", O_RDONLY); 54 if (fd < 3) 55 return 1; 56 close(fd); 57 58 p = __progname; 59 if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0) 60 mode = MODE_DRIVER; 61 else if (strcmp(p, "sail.log") == 0) 62 mode = MODE_LOGGER; 63 else 64 mode = MODE_PLAYER; 65 while ((p = *++argv) && *p == '-') 66 switch (p[1]) { 67 case 'd': 68 mode = MODE_DRIVER; 69 break; 70 case 's': 71 mode = MODE_LOGGER; 72 break; 73 case 'D': 74 debug++; 75 break; 76 case 'x': 77 randomize++; 78 break; 79 case 'l': 80 longfmt++; 81 break; 82 case 'b': 83 nobells++; 84 break; 85 default: 86 errx(1, "unknown flag %s", p); 87 } 88 if (*argv) 89 game = atoi(*argv); 90 else 91 game = -1; 92 if ((i = setjmp(restart))) 93 mode = i; 94 switch (mode) { 95 case MODE_PLAYER: 96 pl_main(); 97 case MODE_DRIVER: 98 return dr_main(); 99 case MODE_LOGGER: 100 return lo_main(); 101 default: 102 warnx("Unknown mode %d", mode); 103 abort(); 104 } 105 } 106