xref: /openbsd/games/canfield/cfscores/cfscores.c (revision db3296cf)
1 /*	$OpenBSD: cfscores.c,v 1.11 2003/07/10 00:03:01 david Exp $	*/
2 /*	$NetBSD: cfscores.c,v 1.3 1995/03/21 15:08:37 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef lint
34 static char copyright[] =
35 "@(#) Copyright (c) 1983, 1993\n\
36 	The Regents of the University of California.  All rights reserved.\n";
37 #endif /* not lint */
38 
39 #ifndef lint
40 #if 0
41 static char sccsid[] = "@(#)cfscores.c	8.1 (Berkeley) 5/31/93";
42 #else
43 static char rcsid[] = "$OpenBSD: cfscores.c,v 1.11 2003/07/10 00:03:01 david Exp $";
44 #endif
45 #endif /* not lint */
46 
47 #include <sys/types.h>
48 #include <err.h>
49 #include <fcntl.h>
50 #include <pwd.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <unistd.h>
55 #include "pathnames.h"
56 
57 struct betinfo {
58 	long	hand;		/* cost of dealing hand */
59 	long	inspection;	/* cost of inspecting hand */
60 	long	game;		/* cost of buying game */
61 	long	runs;		/* cost of running through hands */
62 	long	information;	/* cost of information */
63 	long	thinktime;	/* cost of thinking time */
64 	long	wins;		/* total winnings */
65 	long	worth;		/* net worth after costs */
66 };
67 
68 int dbfd;
69 
70 void	printuser(const struct passwd *, int);
71 
72 int
73 main(argc, argv)
74 	int argc;
75 	char *argv[];
76 {
77 	struct passwd *pw;
78 	int uid;
79 
80 	if (argc > 2) {
81 		fprintf(stderr, "Usage: cfscores [user]\n");
82 		exit(1);
83 	}
84 	dbfd = open(_PATH_SCORE, O_RDONLY);
85 	if (dbfd < 0)
86 		err(2, "%s", _PATH_SCORE);
87 
88 	/* revoke privs */
89 	setegid(getgid());
90 	setgid(getgid());
91 
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 %u\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 		return;
136 	}
137 	i = read(dbfd, (char *)&total, sizeof(total));
138 	if (i < 0) {
139 		warn("lseek %s", _PATH_SCORE);
140 		return;
141 	}
142 	if (i == 0 || total.hand == 0) {
143 		if (printfail)
144 			printf("%s has never played canfield.\n", pw->pw_name);
145 		return;
146 	}
147 	i = strlen(pw->pw_name);
148 	printf("*----------------------*\n");
149 	if (total.worth >= 0) {
150 		if (i <= 8)
151 			printf("* Winnings for %-8s*\n", pw->pw_name);
152 		else {
153 			printf("*     Winnings for     *\n");
154 			if (i <= 20)
155 				printf("* %20s *\n", pw->pw_name);
156 			else
157 				printf("%s\n", pw->pw_name);
158 		}
159 	} else {
160 		if (i <= 10)
161 			printf("* Losses for %-10s*\n", pw->pw_name);
162 		else {
163 			printf("*      Losses for      *\n");
164 			if (i <= 20)
165 				printf("* %20s *\n", pw->pw_name);
166 			else
167 				printf("%s\n", pw->pw_name);
168 		}
169 	}
170 	printf("*======================*\n");
171 	printf("|Costs           Total |\n");
172 	printf("| Hands       %8ld |\n", total.hand);
173 	printf("| Inspections %8ld |\n", total.inspection);
174 	printf("| Games       %8ld |\n", total.game);
175 	printf("| Runs        %8ld |\n", total.runs);
176 	printf("| Information %8ld |\n", total.information);
177 	printf("| Think time  %8ld |\n", total.thinktime);
178 	printf("|Total Costs  %8ld |\n", total.wins - total.worth);
179 	printf("|Winnings     %8ld |\n", total.wins);
180 	printf("|Net Worth    %8ld |\n", total.worth);
181 	printf("*----------------------*\n\n");
182 }
183