xref: /openbsd-src/usr.bin/finger/sprint.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: sprint.c,v 1.6 2001/01/31 20:11:30 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 1989 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  */
38 
39 #ifndef lint
40 /*static char sccsid[] = "from: @(#)sprint.c	5.8 (Berkeley) 12/4/90";*/
41 static char rcsid[] = "$OpenBSD: sprint.c,v 1.6 2001/01/31 20:11:30 deraadt Exp $";
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 #include <sys/time.h>
46 #include <tzfile.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <err.h>
50 #include "finger.h"
51 #include "extern.h"
52 
53 void
54 sflag_print()
55 {
56 	PERSON *pn;
57 	WHERE *w;
58 	int cnt;
59 	char *p;
60 	PERSON **list;
61 
62 	list = sort();
63 	/*
64 	 * short format --
65 	 *	login name
66 	 *	real name
67 	 *	terminal name (the XX of ttyXX)
68 	 *	if terminal writeable (add an '*' to the terminal name
69 	 *		if not)
70 	 *	if logged in show idle time and day logged in, else
71 	 *		show last login date and time.  If > 6 months,
72 	 *		show year instead of time.  If < 6 days,
73 	 *		show day name instead of month & day.
74 	 *	if -h given
75 	 *		remote host
76 	 *	else if -o given (overriding -h) (default)
77 	 *		office location
78 	 *		office phone
79 	 */
80 #define NAME_WIDTH	8
81 #define	MAXREALNAME	20
82 #define	MAXHOSTNAME	20
83 	(void)printf("%-*.*s %-*s %s %s\n",
84 	    NAME_WIDTH, UT_NAMESIZE, "Login", MAXREALNAME,
85 	    "Name", "Tty  Idle  Login Time  ",
86 	    (oflag) ? "Office     Office Phone" : "Where");
87 	for (cnt = 0; cnt < entries; ++cnt) {
88 		pn = list[cnt];
89 		for (w = pn->whead; w != NULL; w = w->next) {
90 			(void)printf("%-*.*s %-*.*s ",
91 			    NAME_WIDTH, UT_NAMESIZE, vs(pn->name),
92 			    MAXREALNAME, MAXREALNAME,
93 			    pn->realname ? vs(pn->realname) : "");
94 			if (!w->loginat) {
95 				(void)printf("  *     *  No logins   ");
96 				goto office;
97 			}
98 			(void)putchar(w->info == LOGGEDIN && !w->writable ?
99 			    '*' : ' ');
100 			if (*w->tty)
101 				(void)printf("%-2.2s ",
102 				    w->tty[0] != 't' || w->tty[1] != 't' ||
103 				    w->tty[2] != 'y' ? w->tty : w->tty + 3);
104 			else
105 				(void)printf("   ");
106 			if (w->info == LOGGEDIN) {
107 				stimeprint(w);
108 				(void)printf("  ");
109 			} else
110 				(void)printf("    *  ");
111 			p = ctime(&w->loginat);
112 			if (now - w->loginat < SECSPERDAY * (DAYSPERWEEK - 1))
113 				(void)printf("   %.3s", p);
114 			else
115 				(void)printf("%.6s", p + 4);
116 			if (now - w->loginat >= SECSPERDAY * DAYSPERNYEAR / 2)
117 				(void)printf(" %.4s ", p + 20);
118 			else
119 				(void)printf(" %.5s", p + 11);
120 office:
121 			putchar(' ');
122 			if (oflag) {
123 				if (pn->office)
124 					(void)printf("%-10.10s",
125 					    vs(pn->office));
126 				else if (pn->officephone)
127 					(void)printf("%-10.10s", " ");
128 				if (pn->officephone)
129 					(void)printf(" %-.15s",
130 					    vs(prphone(pn->officephone)));
131 			} else
132 				(void)printf("%.*s", MAXHOSTNAME, w->host);
133 			putchar('\n');
134 		}
135 	}
136 }
137 
138 PERSON **
139 sort()
140 {
141 	PERSON *pn, **lp;
142 	PERSON **list;
143 
144 	if (!(list = (PERSON **)malloc((u_int)(entries * sizeof(PERSON *)))))
145 		err(1, "malloc");
146 	for (lp = list, pn = phead; pn != NULL; pn = pn->next)
147 		*lp++ = pn;
148 	(void)qsort(list, entries, sizeof(PERSON *), psort);
149 	return(list);
150 }
151 
152 int
153 psort(p, t)
154 	const void *p, *t;
155 {
156 	return(strcmp((*(PERSON **)p)->name, (*(PERSON **)t)->name));
157 }
158 
159 void
160 stimeprint(w)
161 	WHERE *w;
162 {
163 	struct tm *delta;
164 
165 	delta = gmtime(&w->idletime);
166 	if (!delta->tm_yday)
167 		if (!delta->tm_hour)
168 			if (!delta->tm_min)
169 				(void)printf("    -");
170 			else
171 				(void)printf("%5d", delta->tm_min);
172 		else
173 			(void)printf("%2d:%02d",
174 			    delta->tm_hour, delta->tm_min);
175 	else
176 		(void)printf("%4dd", delta->tm_yday);
177 }
178