canfield/cfscores/cfscores.c

   1 /*      $NetBSD: cfscores.c,v 1.10 2000/07/03 03:57:40 matt 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 1.10 2000/07/03 03:57:40 matt 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 <stdlib.h>
  56 #include <string.h>
  57 #include <unistd.h>
  58 #include "pathnames.h"
  59
  60 struct betinfo {
  61         long    hand;           /* cost of dealing hand */
  62         long    inspection;     /* cost of inspecting hand */
  63         long    game;           /* cost of buying game */
  64         long    runs;           /* cost of running through hands */
  65         long    information;    /* cost of information */
  66         long    thinktime;      /* cost of thinking time */
  67         long    wins;           /* total winnings */
  68         long    worth;          /* net worth after costs */
  69 };
  70
  71 int dbfd;
  72
  73 int     main __P((int, char *[]));
  74 void    printuser __P((const struct passwd *, int));
  75
  76 int
  77 main(argc, argv)
  78         int argc;
  79         char *argv[];
  80 {
  81         struct passwd *pw;
  82         int uid;
  83
  84         /* Revoke setgid privileges */
  85         setgid(getgid());
  86
  87         if (argc > 2) {
  88                 printf("Usage: cfscores [user]\n");
  89                 exit(1);
  90         }
  91         dbfd = open(_PATH_SCORE, O_RDONLY);
  92         if (dbfd < 0)
  93                 err(2, "open %s", _PATH_SCORE);
  94         setpwent();
  95         if (argc == 1) {
  96                 uid = getuid();
  97                 pw = getpwuid(uid);
  98                 if (pw == 0) {
  99                         printf("You are not listed in the password file?!?\n");
 100                         exit(2);
 101                 }
 102                 printuser(pw, 1);
 103                 exit(0);
 104         }
 105         if (strcmp(argv[1], "-a") == 0) {
 106                 while ((pw = getpwent()) != 0)
 107                         printuser(pw, 0);
 108                 exit(0);
 109         }
 110         pw = getpwnam(argv[1]);
 111         if (pw == 0) {
 112                 printf("User %s unknown\n", argv[1]);
 113                 exit(3);
 114         }
 115         printuser(pw, 1);
 116         exit(0);
 117 }
 118
 119 /*
 120  * print out info for specified password entry
 121  */
 122 void
 123 printuser(pw, printfail)
 124         const struct passwd *pw;
 125         int printfail;
 126 {
 127         struct betinfo total;
 128         int i;
 129
 130         if (pw->pw_uid < 0) {
 131                 printf("Bad uid %d\n", pw->pw_uid);
 132                 return;
 133         }
 134         i = lseek(dbfd, pw->pw_uid * sizeof(struct betinfo), SEEK_SET);
 135         if (i < 0)
 136                 warn("lseek %s", _PATH_SCORE);
 137         i = read(dbfd, (char *)&total, sizeof(total));
 138         if (i < 0)
 139                 warn("read %s", _PATH_SCORE);
 140         if (i == 0 || total.hand == 0) {
 141                 if (printfail)
 142                         printf("%s has never played canfield.\n", pw->pw_name);
 143                 return;
 144         }
 145         printf("*----------------------*\n");
 146         if (total.worth >= 0)
 147                 printf("* Winnings for %-8s*\n", pw->pw_name);
 148         else
 149                 printf("* Losses for %-10s*\n", pw->pw_name);
 150         printf("*======================*\n");
 151         printf("|Costs           Total |\n");
 152         printf("| Hands       %8ld |\n", total.hand);
 153         printf("| Inspections %8ld |\n", total.inspection);
 154         printf("| Games       %8ld |\n", total.game);
 155         printf("| Runs        %8ld |\n", total.runs);
 156         printf("| Information %8ld |\n", total.information);
 157         printf("| Think time  %8ld |\n", total.thinktime);
 158         printf("|Total Costs  %8ld |\n", total.wins - total.worth);
 159         printf("|Winnings     %8ld |\n", total.wins);
 160         printf("|Net Worth    %8ld |\n", total.worth);
 161         printf("*----------------------*\n\n");
 162 }