xref: /openbsd/usr.bin/finger/sprint.c (revision cfff592f)
1 /*	$OpenBSD: sprint.c,v 1.16 2015/08/20 22:32:41 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. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/types.h>
36 #include <sys/time.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <err.h>
41 #include "finger.h"
42 #include "extern.h"
43 
44 void
sflag_print(void)45 sflag_print(void)
46 {
47 	PERSON *pn;
48 	WHERE *w;
49 	int cnt;
50 	char *p;
51 	PERSON **list;
52 
53 	list = sort();
54 	/*
55 	 * short format --
56 	 *	login name
57 	 *	real name
58 	 *	terminal name (the XX of ttyXX)
59 	 *	if terminal writeable (add an '*' to the terminal name
60 	 *		if not)
61 	 *	if logged in show idle time and day logged in, else
62 	 *		show last login date and time.  If > 6 months,
63 	 *		show year instead of time.  If < 6 days,
64 	 *		show day name instead of month & day.
65 	 *	if -h given
66 	 *		remote host
67 	 *	else if -o given (overriding -h) (default)
68 	 *		office location
69 	 *		office phone
70 	 */
71 #define NAME_WIDTH	8
72 #define	MAXREALNAME	20
73 #define	MAXHOSTNAME	20
74 	(void)printf("%-*.*s %-*s %s %s\n",
75 	    NAME_WIDTH, UT_NAMESIZE, "Login", MAXREALNAME,
76 	    "Name", "Tty  Idle  Login Time  ",
77 	    (oflag) ? "Office     Office Phone" : "Where");
78 	for (cnt = 0; cnt < entries; ++cnt) {
79 		pn = list[cnt];
80 		for (w = pn->whead; w != NULL; w = w->next) {
81 			(void)printf("%-*.*s %-*.*s ",
82 			    NAME_WIDTH, UT_NAMESIZE, pn->name,
83 			    MAXREALNAME, MAXREALNAME,
84 			    pn->realname ? pn->realname : "");
85 			if (!w->loginat) {
86 				(void)printf("  *     *  No logins   ");
87 				goto office;
88 			}
89 			(void)putchar(w->info == LOGGEDIN && !w->writable ?
90 			    '*' : ' ');
91 			if (*w->tty)
92 				(void)printf("%-2.2s ",
93 				    w->tty[0] != 't' || w->tty[1] != 't' ||
94 				    w->tty[2] != 'y' ? w->tty : w->tty + 3);
95 			else
96 				(void)printf("   ");
97 			if (w->info == LOGGEDIN) {
98 				stimeprint(w);
99 				(void)printf("  ");
100 			} else
101 				(void)printf("    *  ");
102 			p = ctime(&w->loginat);
103 
104 			if (now - w->loginat < SECSPERDAY * 6)
105 				(void)printf("   %.3s", p);
106 			else
107 				(void)printf("%.6s", p + 4);
108 			if (now - w->loginat >= SIXMONTHS)
109 				(void)printf(" %.4s ", p + 20);
110 			else
111 				(void)printf(" %.5s", p + 11);
112 office:
113 			putchar(' ');
114 			if (oflag) {
115 				if (pn->office)
116 					(void)printf("%-10.10s", pn->office);
117 				else if (pn->officephone)
118 					(void)printf("%-10.10s", " ");
119 				if (pn->officephone)
120 					(void)printf(" %-.15s",
121 					    prphone(pn->officephone));
122 			} else
123 				(void)printf("%.*s", MAXHOSTNAME, w->host);
124 			putchar('\n');
125 		}
126 	}
127 }
128 
129 PERSON **
sort(void)130 sort(void)
131 {
132 	PERSON *pn, **lp;
133 	PERSON **list;
134 
135 	if (!(list = calloc((u_int)entries, sizeof(PERSON *))))
136 		err(1, "malloc");
137 	for (lp = list, pn = phead; pn != NULL; pn = pn->next)
138 		*lp++ = pn;
139 	(void)qsort(list, entries, sizeof(PERSON *), psort);
140 	return (list);
141 }
142 
143 int
psort(const void * p,const void * t)144 psort(const void *p, const void *t)
145 {
146 	return (strcmp((*(PERSON **)p)->name, (*(PERSON **)t)->name));
147 }
148 
149 void
stimeprint(WHERE * w)150 stimeprint(WHERE *w)
151 {
152 	struct tm *delta;
153 
154 	delta = gmtime(&w->idletime);
155 	if (!delta->tm_yday) {
156 		if (!delta->tm_hour) {
157 			if (!delta->tm_min)
158 				(void)printf("    -");
159 			else
160 				(void)printf("%5d", delta->tm_min);
161 		 } else {
162 			(void)printf("%2d:%02d",
163 			    delta->tm_hour, delta->tm_min);
164 		 }
165 	} else
166 		(void)printf("%4dd", delta->tm_yday);
167 }
168