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#if 0
36#ifndef lint
37static char sccsid[] = "@(#)lprint.c	8.3 (Berkeley) 4/28/95";
38#endif
39#endif
40
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD$");
43
44#include <sys/types.h>
45#include <sys/socket.h>
46#include <sys/stat.h>
47#include <sys/time.h>
48#include <ctype.h>
49#include <db.h>
50#include <err.h>
51#include <fcntl.h>
52#include <langinfo.h>
53#include <paths.h>
54#include <pwd.h>
55#include <stdio.h>
56#include <string.h>
57#include <unistd.h>
58#include <utmpx.h>
59#include "finger.h"
60#include "pathnames.h"
61
62#define	LINE_LEN	80
63#define	TAB_LEN		8		/* 8 spaces between tabs */
64
65static int	demi_print(char *, int);
66static void	lprint(PERSON *);
67static void     vputc(unsigned char);
68
69void
70lflag_print(void)
71{
72	PERSON *pn;
73	int sflag, r;
74	PERSON *tmp;
75	DBT data, key;
76
77	for (sflag = R_FIRST;; sflag = R_NEXT) {
78		r = (*db->seq)(db, &key, &data, sflag);
79		if (r == -1)
80			err(1, "db seq");
81		if (r == 1)
82			break;
83		memmove(&tmp, data.data, sizeof tmp);
84		pn = tmp;
85		if (sflag != R_FIRST)
86			putchar('\n');
87		lprint(pn);
88		if (!pplan) {
89			(void)show_text(pn->dir,
90			    _PATH_FORWARD, "Mail forwarded to");
91			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
92			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
93				(void)printf("No Plan.\n");
94			(void)show_text(pn->dir,
95			    _PATH_PUBKEY, "Public key");
96		}
97	}
98}
99
100static void
101lprint(PERSON *pn)
102{
103	struct tm *delta;
104	WHERE *w;
105	int cpr, len, maxlen;
106	struct tm *tp;
107	int oddfield;
108	char t[80];
109
110	if (d_first < 0)
111		d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
112	/*
113	 * long format --
114	 *	login name
115	 *	real name
116	 *	home directory
117	 *	shell
118	 *	office, office phone, home phone if available
119	 *	mail status
120	 */
121	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
122	    pn->name, pn->realname, pn->dir);
123	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
124
125	if (gflag)
126		goto no_gecos;
127	/*
128	 * try and print office, office phone, and home phone on one line;
129	 * if that fails, do line filling so it looks nice.
130	 */
131#define	OFFICE_TAG		"Office"
132#define	OFFICE_PHONE_TAG	"Office Phone"
133	oddfield = 0;
134	if (pn->office && pn->officephone &&
135	    strlen(pn->office) + strlen(pn->officephone) +
136	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
137		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
138		    OFFICE_TAG, pn->office, prphone(pn->officephone));
139		oddfield = demi_print(tbuf, oddfield);
140	} else {
141		if (pn->office) {
142			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
143			    OFFICE_TAG, pn->office);
144			oddfield = demi_print(tbuf, oddfield);
145		}
146		if (pn->officephone) {
147			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
148			    OFFICE_PHONE_TAG, prphone(pn->officephone));
149			oddfield = demi_print(tbuf, oddfield);
150		}
151	}
152	if (pn->homephone) {
153		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
154		    prphone(pn->homephone));
155		oddfield = demi_print(tbuf, oddfield);
156	}
157	if (oddfield)
158		putchar('\n');
159
160no_gecos:
161	/*
162	 * long format con't:
163	 * if logged in
164	 *	terminal
165	 *	idle time
166	 *	if messages allowed
167	 *	where logged in from
168	 * if not logged in
169	 *	when last logged in
170	 */
171	/* find out longest device name for this user for formatting */
172	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
173		if ((len = strlen(w->tty)) > maxlen)
174			maxlen = len;
175	/* find rest of entries for user */
176	for (w = pn->whead; w != NULL; w = w->next) {
177		if (w->info == LOGGEDIN) {
178			tp = localtime(&w->loginat);
179			strftime(t, sizeof(t),
180			    d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)",
181			    tp);
182			cpr = printf("On since %s on %s", t, w->tty);
183			/*
184			 * idle time is tough; if have one, print a comma,
185			 * then spaces to pad out the device name, then the
186			 * idle time.  Follow with a comma if a remote login.
187			 */
188			delta = gmtime(&w->idletime);
189			if (w->idletime != -1 && (delta->tm_yday ||
190			    delta->tm_hour || delta->tm_min)) {
191				cpr += printf("%-*s idle ",
192				    maxlen - (int)strlen(w->tty) + 1, ",");
193				if (delta->tm_yday > 0) {
194					cpr += printf("%d day%s ",
195					   delta->tm_yday,
196					   delta->tm_yday == 1 ? "" : "s");
197				}
198				cpr += printf("%d:%02d",
199				    delta->tm_hour, delta->tm_min);
200				if (*w->host) {
201					putchar(',');
202					++cpr;
203				}
204			}
205			if (!w->writable)
206				cpr += printf(" (messages off)");
207		} else if (w->loginat == 0) {
208			cpr = printf("Never logged in.");
209		} else {
210			tp = localtime(&w->loginat);
211			if (now - w->loginat > 86400 * 365 / 2) {
212				strftime(t, sizeof(t),
213					 d_first ? "%a %e %b %R %Y (%Z)" :
214						   "%a %b %e %R %Y (%Z)",
215					 tp);
216			} else {
217				strftime(t, sizeof(t),
218					 d_first ? "%a %e %b %R (%Z)" :
219						   "%a %b %e %R (%Z)",
220					 tp);
221			}
222			cpr = printf("Last login %s on %s", t, w->tty);
223		}
224		if (*w->host) {
225			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
226				(void)printf("\n   ");
227			(void)printf(" from %s", w->host);
228		}
229		putchar('\n');
230	}
231	if (pn->mailrecv == -1)
232		printf("No Mail.\n");
233	else if (pn->mailrecv > pn->mailread) {
234		tp = localtime(&pn->mailrecv);
235		strftime(t, sizeof(t),
236			 d_first ? "%a %e %b %R %Y (%Z)" :
237				   "%a %b %e %R %Y (%Z)",
238			 tp);
239		printf("New mail received %s\n", t);
240		tp = localtime(&pn->mailread);
241		strftime(t, sizeof(t),
242			 d_first ? "%a %e %b %R %Y (%Z)" :
243				   "%a %b %e %R %Y (%Z)",
244			 tp);
245		printf("     Unread since %s\n", t);
246	} else {
247		tp = localtime(&pn->mailread);
248		strftime(t, sizeof(t),
249			 d_first ? "%a %e %b %R %Y (%Z)" :
250				   "%a %b %e %R %Y (%Z)",
251			 tp);
252		printf("Mail last read %s\n", t);
253	}
254}
255
256static int
257demi_print(char *str, int oddfield)
258{
259	static int lenlast;
260	int lenthis, maxlen;
261
262	lenthis = strlen(str);
263	if (oddfield) {
264		/*
265		 * We left off on an odd number of fields.  If we haven't
266		 * crossed the midpoint of the screen, and we have room for
267		 * the next field, print it on the same line; otherwise,
268		 * print it on a new line.
269		 *
270		 * Note: we insist on having the right hand fields start
271		 * no less than 5 tabs out.
272		 */
273		maxlen = 5 * TAB_LEN;
274		if (maxlen < lenlast)
275			maxlen = lenlast;
276		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
277		    lenthis) <= LINE_LEN) {
278			while(lenlast < (4 * TAB_LEN)) {
279				putchar('\t');
280				lenlast += TAB_LEN;
281			}
282			(void)printf("\t%s\n", str);	/* force one tab */
283		} else {
284			(void)printf("\n%s", str);	/* go to next line */
285			oddfield = !oddfield;	/* this'll be undone below */
286		}
287	} else
288		(void)printf("%s", str);
289	oddfield = !oddfield;			/* toggle odd/even marker */
290	lenlast = lenthis;
291	return(oddfield);
292}
293
294int
295show_text(const char *directory, const char *file_name, const char *header)
296{
297	struct stat sb;
298	FILE *fp;
299	int ch, cnt;
300	char *p, lastc;
301	int fd, nr;
302
303	lastc = '\0';
304
305	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
306	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
307	    sb.st_size == 0)
308		return(0);
309
310	/* If short enough, and no newlines, show it on a single line.*/
311	if (sb.st_size <= (off_t)(LINE_LEN - strlen(header) - 5)) {
312		nr = read(fd, tbuf, sizeof(tbuf));
313		if (nr <= 0) {
314			(void)close(fd);
315			return(0);
316		}
317		for (p = tbuf, cnt = nr; cnt--; ++p)
318			if (*p == '\n')
319				break;
320		if (cnt <= 1) {
321			if (*header != '\0')
322				(void)printf("%s: ", header);
323			for (p = tbuf, cnt = nr; cnt--; ++p)
324				if (*p != '\r')
325					vputc(lastc = *p);
326			if (lastc != '\n')
327				(void)putchar('\n');
328			(void)close(fd);
329			return(1);
330		}
331		else
332			(void)lseek(fd, 0L, SEEK_SET);
333	}
334	if ((fp = fdopen(fd, "r")) == NULL)
335		return(0);
336	if (*header != '\0')
337		(void)printf("%s:\n", header);
338	while ((ch = getc(fp)) != EOF)
339		if (ch != '\r')
340			vputc(lastc = ch);
341	if (lastc != '\n')
342		(void)putchar('\n');
343	(void)fclose(fp);
344	return(1);
345}
346
347static void
348vputc(unsigned char ch)
349{
350	int meta;
351
352	if (!isprint(ch) && !isascii(ch)) {
353		(void)putchar('M');
354		(void)putchar('-');
355		ch = toascii(ch);
356		meta = 1;
357	} else
358		meta = 0;
359	if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n')))
360		(void)putchar(ch);
361	else {
362		(void)putchar('^');
363		(void)putchar(ch == '\177' ? '?' : ch | 0100);
364	}
365}
366