1/*	$NetBSD: cfscores.c,v 1.20 2010/01/01 06:37:16 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\
35 The Regents of the University of California.  All rights reserved.");
36#endif /* not lint */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)cfscores.c	8.1 (Berkeley) 5/31/93";
41#else
42__RCSID("$NetBSD: cfscores.c,v 1.20 2010/01/01 06:37:16 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 "betinfo.h"
55#include "pathnames.h"
56
57static int dbfd;
58
59static void printuser(const struct passwd *, int);
60
61int
62main(int argc, char *argv[])
63{
64	struct passwd *pw;
65	uid_t uid;
66
67	/* Revoke setgid privileges */
68	setgid(getgid());
69
70	if (argc > 2) {
71		fprintf(stderr, "Usage: %s -a | %s [user]\n",
72			getprogname(), getprogname());
73		exit(1);
74	}
75	dbfd = open(_PATH_SCORE, O_RDONLY);
76	if (dbfd < 0)
77		err(2, "open %s", _PATH_SCORE);
78	setpwent();
79	if (argc == 1) {
80		uid = getuid();
81		pw = getpwuid(uid);
82		if (pw == NULL) {
83			errx(2, "You are not listed in the password file?!?");
84		}
85		printuser(pw, 1);
86		exit(0);
87	}
88	if (strcmp(argv[1], "-a") == 0) {
89		while ((pw = getpwent()) != NULL)
90			printuser(pw, 0);
91		exit(0);
92	}
93	pw = getpwnam(argv[1]);
94	if (pw == NULL) {
95		errx(3, "User %s unknown", argv[1]);
96	}
97	printuser(pw, 1);
98	exit(0);
99}
100
101/*
102 * print out info for specified password entry
103 */
104static void
105printuser(const struct passwd *pw, int printfail)
106{
107	struct betinfo total;
108	off_t pos;
109	int i;
110
111	pos = pw->pw_uid * (off_t)sizeof(struct betinfo);
112	/* test pos, not pw_uid; uid_t can be unsigned, which makes gcc warn */
113	if (pos < 0) {
114		warnx("Bad uid %d", (int)pw->pw_uid);
115		return;
116	}
117	i = lseek(dbfd, pos, SEEK_SET);
118	if (i < 0)
119		warn("lseek %s", _PATH_SCORE);
120	i = read(dbfd, &total, sizeof(total));
121	if (i < 0)
122		warn("read %s", _PATH_SCORE);
123	if (i == 0 || total.hand == 0) {
124		if (printfail)
125			printf("%s has never played canfield.\n", pw->pw_name);
126		return;
127	}
128	printf("*----------------------*\n");
129	if (total.worth >= 0)
130		printf("* Winnings for %-8s*\n", pw->pw_name);
131	else
132		printf("* Losses for %-10s*\n", pw->pw_name);
133	printf("*======================*\n");
134	printf("|Costs           Total |\n");
135	printf("| Hands       %8ld |\n", total.hand);
136	printf("| Inspections %8ld |\n", total.inspection);
137	printf("| Games       %8ld |\n", total.game);
138	printf("| Runs        %8ld |\n", total.runs);
139	printf("| Information %8ld |\n", total.information);
140	printf("| Think time  %8ld |\n", total.thinktime);
141	printf("|Total Costs  %8ld |\n", total.wins - total.worth);
142	printf("|Winnings     %8ld |\n", total.wins);
143	printf("|Net Worth    %8ld |\n", total.worth);
144	printf("*----------------------*\n\n");
145}
146