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/* $NetBSD: cfscores.c,v 1.17 2010/01/01 06:16:36 dholland Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)cfscores.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: cfscores.c,v 1.17 2010/01/01 06:16:36 dholland Exp $");
#endif
#endif /* not lint */
#include <sys/types.h>
#include <err.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "pathnames.h"
struct betinfo {
long hand; /* cost of dealing hand */
long inspection; /* cost of inspecting hand */
long game; /* cost of buying game */
long runs; /* cost of running through hands */
long information; /* cost of information */
long thinktime; /* cost of thinking time */
long wins; /* total winnings */
long worth; /* net worth after costs */
};
static int dbfd;
static void printuser(const struct passwd *, int);
int
main(int argc, char *argv[])
{
struct passwd *pw;
uid_t uid;
/* Revoke setgid privileges */
setgid(getgid());
if (argc > 2) {
printf("Usage: cfscores -a | cfscores [user]\n");
exit(1);
}
dbfd = open(_PATH_SCORE, O_RDONLY);
if (dbfd < 0)
err(2, "open %s", _PATH_SCORE);
setpwent();
if (argc == 1) {
uid = getuid();
pw = getpwuid(uid);
if (pw == 0) {
printf("You are not listed in the password file?!?\n");
exit(2);
}
printuser(pw, 1);
exit(0);
}
if (strcmp(argv[1], "-a") == 0) {
while ((pw = getpwent()) != 0)
printuser(pw, 0);
exit(0);
}
pw = getpwnam(argv[1]);
if (pw == 0) {
printf("User %s unknown\n", argv[1]);
exit(3);
}
printuser(pw, 1);
exit(0);
}
/*
* print out info for specified password entry
*/
static void
printuser(const struct passwd *pw, int printfail)
{
struct betinfo total;
off_t pos;
int i;
pos = pw->pw_uid * (off_t)sizeof(struct betinfo);
/* test pos, not pw_uid; uid_t can be unsigned, which makes gcc warn */
if (pos < 0) {
printf("Bad uid %d\n", (int)pw->pw_uid);
return;
}
i = lseek(dbfd, pos, SEEK_SET);
if (i < 0)
warn("lseek %s", _PATH_SCORE);
i = read(dbfd, (char *)&total, sizeof(total));
if (i < 0)
warn("read %s", _PATH_SCORE);
if (i == 0 || total.hand == 0) {
if (printfail)
printf("%s has never played canfield.\n", pw->pw_name);
return;
}
printf("*----------------------*\n");
if (total.worth >= 0)
printf("* Winnings for %-8s*\n", pw->pw_name);
else
printf("* Losses for %-10s*\n", pw->pw_name);
printf("*======================*\n");
printf("|Costs Total |\n");
printf("| Hands %8ld |\n", total.hand);
printf("| Inspections %8ld |\n", total.inspection);
printf("| Games %8ld |\n", total.game);
printf("| Runs %8ld |\n", total.runs);
printf("| Information %8ld |\n", total.information);
printf("| Think time %8ld |\n", total.thinktime);
printf("|Total Costs %8ld |\n", total.wins - total.worth);
printf("|Winnings %8ld |\n", total.wins);
printf("|Net Worth %8ld |\n", total.worth);
printf("*----------------------*\n\n");
}
|
