xref: /freebsd/usr.bin/finger/sprint.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  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/param.h>
36 #include <sys/types.h>
37 #include <sys/socket.h>
38 #include <db.h>
39 #include <err.h>
40 #include <langinfo.h>
41 #include <pwd.h>
42 #include <stdio.h>
43 #include <string.h>
44 #include <time.h>
45 #include <utmpx.h>
46 #include "finger.h"
47 
48 static void	  stimeprint(WHERE *);
49 
50 void
51 sflag_print(void)
52 {
53 	PERSON *pn;
54 	WHERE *w;
55 	int sflag, r, namelen;
56 	char p[80];
57 	PERSON *tmp;
58 	DBT data, key;
59 	struct tm *lc;
60 
61 	if (d_first < 0)
62 		d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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.
72 	 *		If > 6 months, show year instead of time.
73 	 *	if (-o)
74 	 *		office location
75 	 *		office phone
76 	 *	else
77 	 *		remote host
78 	 */
79 #define	MAXREALNAME	16
80 #define MAXHOSTNAME     17      /* in reality, hosts are never longer than 16 */
81 	(void)printf("%-*s %-*s%s %s\n", MAXLOGNAME, "Login", MAXREALNAME,
82 	    "Name", " TTY      Idle  Login  Time  ", (gflag) ? "" :
83 	    oflag ? "Office  Phone" : "Where");
84 
85 	for (sflag = R_FIRST;; sflag = R_NEXT) {
86 		r = (*db->seq)(db, &key, &data, sflag);
87 		if (r == -1)
88 			err(1, "db seq");
89 		if (r == 1)
90 			break;
91 		memmove(&tmp, data.data, sizeof tmp);
92 		pn = tmp;
93 
94 		for (w = pn->whead; w != NULL; w = w->next) {
95 			namelen = MAXREALNAME;
96 			if (w->info == LOGGEDIN && !w->writable)
97 				--namelen;	/* leave space before `*' */
98 			(void)printf("%-*.*s %-*.*s", MAXLOGNAME, MAXLOGNAME,
99 				pn->name, MAXREALNAME, namelen,
100 				pn->realname ? pn->realname : "");
101 			if (!w->loginat) {
102 				(void)printf("  *     *   No logins   ");
103 				goto office;
104 			}
105 			(void)putchar(w->info == LOGGEDIN && !w->writable ?
106 			    '*' : ' ');
107 			if (*w->tty)
108 				(void)printf("%-7.7s ",
109 					     (strncmp(w->tty, "tty", 3)
110 					      && strncmp(w->tty, "cua", 3))
111 					     ? w->tty : w->tty + 3);
112 			else
113 				(void)printf("        ");
114 			if (w->info == LOGGEDIN) {
115 				stimeprint(w);
116 				(void)printf("  ");
117 			} else
118 				(void)printf("    *  ");
119 			lc = localtime(&w->loginat);
120 #define SECSPERDAY 86400
121 #define DAYSPERWEEK 7
122 #define DAYSPERNYEAR 365
123 			if (now - w->loginat < SECSPERDAY * (DAYSPERWEEK - 1)) {
124 				(void)strftime(p, sizeof(p), "%a", lc);
125 			} else {
126 				(void)strftime(p, sizeof(p),
127 					     d_first ? "%e %b" : "%b %e", lc);
128 			}
129 			(void)printf("%-6.6s", p);
130 			if (now - w->loginat >= SECSPERDAY * DAYSPERNYEAR / 2) {
131 				(void)strftime(p, sizeof(p), "%Y", lc);
132 			} else {
133 				(void)strftime(p, sizeof(p), "%R", lc);
134 			}
135 			(void)printf(" %-5.5s", p);
136 office:
137 			if (gflag)
138 				goto no_gecos;
139 			if (oflag) {
140 				if (pn->office)
141 					(void)printf(" %-7.7s", pn->office);
142 				else if (pn->officephone)
143 					(void)printf(" %-7.7s", " ");
144 				if (pn->officephone)
145 					(void)printf(" %-.15s",
146 					    prphone(pn->officephone));
147 			} else
148 				(void)printf(" %.*s", MAXHOSTNAME, w->host);
149 no_gecos:
150 			putchar('\n');
151 		}
152 	}
153 }
154 
155 static void
156 stimeprint(WHERE *w)
157 {
158 	struct tm *delta;
159 
160 	if (w->idletime == -1) {
161 		(void)printf("     ");
162 		return;
163 	}
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