1 /* $NetBSD: cfscores.c,v 1.14 2008/01/28 02:37:50 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 35 The Regents of the University of California. All rights reserved.\n"); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)cfscores.c 8.1 (Berkeley) 5/31/93"; 41 #else 42 __RCSID("$NetBSD: cfscores.c,v 1.14 2008/01/28 02:37:50 dholland Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/types.h> 47 #include <err.h> 48 #include <fcntl.h> 49 #include <pwd.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 #include "pathnames.h" 55 56 struct betinfo { 57 long hand; /* cost of dealing hand */ 58 long inspection; /* cost of inspecting hand */ 59 long game; /* cost of buying game */ 60 long runs; /* cost of running through hands */ 61 long information; /* cost of information */ 62 long thinktime; /* cost of thinking time */ 63 long wins; /* total winnings */ 64 long worth; /* net worth after costs */ 65 }; 66 67 int dbfd; 68 69 void printuser(const struct passwd *, int); 70 71 int 72 main(int argc, char *argv[]) 73 { 74 struct passwd *pw; 75 uid_t uid; 76 77 /* Revoke setgid privileges */ 78 setgid(getgid()); 79 80 if (argc > 2) { 81 printf("Usage: cfscores [user]\n"); 82 exit(1); 83 } 84 dbfd = open(_PATH_SCORE, O_RDONLY); 85 if (dbfd < 0) 86 err(2, "open %s", _PATH_SCORE); 87 setpwent(); 88 if (argc == 1) { 89 uid = getuid(); 90 pw = getpwuid(uid); 91 if (pw == 0) { 92 printf("You are not listed in the password file?!?\n"); 93 exit(2); 94 } 95 printuser(pw, 1); 96 exit(0); 97 } 98 if (strcmp(argv[1], "-a") == 0) { 99 while ((pw = getpwent()) != 0) 100 printuser(pw, 0); 101 exit(0); 102 } 103 pw = getpwnam(argv[1]); 104 if (pw == 0) { 105 printf("User %s unknown\n", argv[1]); 106 exit(3); 107 } 108 printuser(pw, 1); 109 exit(0); 110 } 111 112 /* 113 * print out info for specified password entry 114 */ 115 void 116 printuser(const struct passwd *pw, int printfail) 117 { 118 struct betinfo total; 119 off_t pos; 120 int i; 121 122 pos = pw->pw_uid * (off_t)sizeof(struct betinfo); 123 /* test pos, not pw_uid; uid_t can be unsigned, which makes gcc warn */ 124 if (pos < 0) { 125 printf("Bad uid %d\n", (int)pw->pw_uid); 126 return; 127 } 128 i = lseek(dbfd, pos, SEEK_SET); 129 if (i < 0) 130 warn("lseek %s", _PATH_SCORE); 131 i = read(dbfd, (char *)&total, sizeof(total)); 132 if (i < 0) 133 warn("read %s", _PATH_SCORE); 134 if (i == 0 || total.hand == 0) { 135 if (printfail) 136 printf("%s has never played canfield.\n", pw->pw_name); 137 return; 138 } 139 printf("*----------------------*\n"); 140 if (total.worth >= 0) 141 printf("* Winnings for %-8s*\n", pw->pw_name); 142 else 143 printf("* Losses for %-10s*\n", pw->pw_name); 144 printf("*======================*\n"); 145 printf("|Costs Total |\n"); 146 printf("| Hands %8ld |\n", total.hand); 147 printf("| Inspections %8ld |\n", total.inspection); 148 printf("| Games %8ld |\n", total.game); 149 printf("| Runs %8ld |\n", total.runs); 150 printf("| Information %8ld |\n", total.information); 151 printf("| Think time %8ld |\n", total.thinktime); 152 printf("|Total Costs %8ld |\n", total.wins - total.worth); 153 printf("|Winnings %8ld |\n", total.wins); 154 printf("|Net Worth %8ld |\n", total.worth); 155 printf("*----------------------*\n\n"); 156 } 157