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
48static void	  stimeprint(WHERE *);
49
50void
51sflag_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);
136office:
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);
149no_gecos:
150			putchar('\n');
151		}
152	}
153}
154
155static void
156stimeprint(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