canfield/cfscores/cfscores.c

   1 /*      $NetBSD: cfscores.c,v 1.9 2000/05/08 07:56:03 mycroft 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
  39         The Regents of the University of California.  All rights reserved.\n");
  40 #endif /* not lint */
  41
  42 #ifndef lint
  43 #if 0
  44 static char sccsid[] = "@(#)cfscores.c  8.1 (Berkeley) 5/31/93";
  45 #else
  46 __RCSID("$NetBSD: cfscores.c,v 1.9 2000/05/08 07:56:03 mycroft Exp $");
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <sys/types.h>
  51 #include <err.h>
  52 #include <fcntl.h>
  53 #include <pwd.h>
  54 #include <stdio.h>
  55 #include <unistd.h>
  56 #include "pathnames.h"
  57
  58 struct betinfo {
  59         long    hand;           /* cost of dealing hand */
  60         long    inspection;     /* cost of inspecting hand */
  61         long    game;           /* cost of buying game */
  62         long    runs;           /* cost of running through hands */
  63         long    information;    /* cost of information */
  64         long    thinktime;      /* cost of thinking time */
  65         long    wins;           /* total winnings */
  66         long    worth;          /* net worth after costs */
  67 };
  68
  69 int dbfd;
  70
  71 int     main __P((int, char *[]));
  72 void    printuser __P((const struct passwd *, int));
  73
  74 int
  75 main(argc, argv)
  76         int argc;
  77         char *argv[];
  78 {
  79         struct passwd *pw;
  80         int uid;
  81
  82         /* Revoke setgid privileges */
  83         setgid(getgid());
  84
  85         if (argc > 2) {
  86                 printf("Usage: cfscores [user]\n");
  87                 exit(1);
  88         }
  89         dbfd = open(_PATH_SCORE, O_RDONLY);
  90         if (dbfd < 0)
  91                 err(2, "open %s", _PATH_SCORE);
  92         setpwent();
  93         if (argc == 1) {
  94                 uid = getuid();
  95                 pw = getpwuid(uid);
  96                 if (pw == 0) {
  97                         printf("You are not listed in the password file?!?\n");
  98                         exit(2);
  99                 }
 100                 printuser(pw, 1);
 101                 exit(0);
 102         }
 103         if (strcmp(argv[1], "-a") == 0) {
 104                 while ((pw = getpwent()) != 0)
 105                         printuser(pw, 0);
 106                 exit(0);
 107         }
 108         pw = getpwnam(argv[1]);
 109         if (pw == 0) {
 110                 printf("User %s unknown\n", argv[1]);
 111                 exit(3);
 112         }
 113         printuser(pw, 1);
 114         exit(0);
 115 }
 116
 117 /*
 118  * print out info for specified password entry
 119  */
 120 void
 121 printuser(pw, printfail)
 122         const struct passwd *pw;
 123         int printfail;
 124 {
 125         struct betinfo total;
 126         int i;
 127
 128         if (pw->pw_uid < 0) {
 129                 printf("Bad uid %d\n", pw->pw_uid);
 130                 return;
 131         }
 132         i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), SEEK_SET);
 133         if (i < 0)
 134                 warn("lseek %s", _PATH_SCORE);
 135         i = read(dbfd, (char *)&total, sizeof(total));
 136         if (i < 0)
 137                 warn("read %s", _PATH_SCORE);
 138         if (i == 0 || total.hand == 0) {
 139                 if (printfail)
 140                         printf("%s has never played canfield.\n", pw->pw_name);
 141                 return;
 142         }
 143         printf("*----------------------*\n");
 144         if (total.worth >= 0)
 145                 printf("* Winnings for %-8s*\n", pw->pw_name);
 146         else
 147                 printf("* Losses for %-10s*\n", pw->pw_name);
 148         printf("*======================*\n");
 149         printf("|Costs           Total |\n");
 150         printf("| Hands       %8ld |\n", total.hand);
 151         printf("| Inspections %8ld |\n", total.inspection);
 152         printf("| Games       %8ld |\n", total.game);
 153         printf("| Runs        %8ld |\n", total.runs);
 154         printf("| Information %8ld |\n", total.information);
 155         printf("| Think time  %8ld |\n", total.thinktime);
 156         printf("|Total Costs  %8ld |\n", total.wins - total.worth);
 157         printf("|Winnings     %8ld |\n", total.wins);
 158         printf("|Net Worth    %8ld |\n", total.worth);
 159         printf("*----------------------*\n\n");
 160 }