lprint.c revision 72109 
1/*
2 * Copyright (c) 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38#if 0
39static char sccsid[] = "@(#)lprint.c	8.3 (Berkeley) 4/28/95";
40#endif
41static const char rcsid[] =
42  "$FreeBSD: head/usr.bin/finger/lprint.c 72109 2001-02-06 20:13:48Z charnier $";
43#endif /* not lint */
44
45#include <sys/stat.h>
46#include <ctype.h>
47#include <db.h>
48#include <err.h>
49#include <fcntl.h>
50#include <paths.h>
51#include <pwd.h>
52#include <stdio.h>
53#include <string.h>
54#include <unistd.h>
55#include <utmp.h>
56#include "finger.h"
57#include "pathnames.h"
58#include "extern.h"
59
60#define	LINE_LEN	80
61#define	TAB_LEN		8		/* 8 spaces between tabs */
62
63static int	demi_print __P((char *, int));
64static void	lprint __P((PERSON *));
65static void     vputc __P((unsigned char));
66
67void
68lflag_print()
69{
70	extern int pplan;
71	register PERSON *pn;
72	register int sflag, r;
73	PERSON *tmp;
74	DBT data, key;
75
76	for (sflag = R_FIRST;; sflag = R_NEXT) {
77		r = (*db->seq)(db, &key, &data, sflag);
78		if (r == -1)
79			err(1, "db seq");
80		if (r == 1)
81			break;
82		memmove(&tmp, data.data, sizeof tmp);
83		pn = tmp;
84		if (sflag != R_FIRST)
85			putchar('\n');
86		lprint(pn);
87		if (!pplan) {
88			(void)show_text(pn->dir,
89			    _PATH_FORWARD, "Mail forwarded to");
90			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
91			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
92				(void)printf("No Plan.\n");
93			(void)show_text(pn->dir,
94			    _PATH_PUBKEY, "Public key");
95		}
96	}
97}
98
99static void
100lprint(pn)
101	register PERSON *pn;
102{
103	extern time_t now;
104	register struct tm *delta;
105	register WHERE *w;
106	register int cpr, len, maxlen;
107	struct tm *tp;
108	int oddfield;
109	char *tzn;
110	char t[80];
111
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	/*
126	 * try and print office, office phone, and home phone on one line;
127	 * if that fails, do line filling so it looks nice.
128	 */
129#define	OFFICE_TAG		"Office"
130#define	OFFICE_PHONE_TAG	"Office Phone"
131	oddfield = 0;
132	if (pn->office && pn->officephone &&
133	    strlen(pn->office) + strlen(pn->officephone) +
134	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
135		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
136		    OFFICE_TAG, pn->office, prphone(pn->officephone));
137		oddfield = demi_print(tbuf, oddfield);
138	} else {
139		if (pn->office) {
140			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
141			    OFFICE_TAG, pn->office);
142			oddfield = demi_print(tbuf, oddfield);
143		}
144		if (pn->officephone) {
145			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
146			    OFFICE_PHONE_TAG, prphone(pn->officephone));
147			oddfield = demi_print(tbuf, oddfield);
148		}
149	}
150	if (pn->homephone) {
151		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
152		    prphone(pn->homephone));
153		oddfield = demi_print(tbuf, oddfield);
154	}
155	if (oddfield)
156		putchar('\n');
157
158	/*
159	 * long format con't:
160	 * if logged in
161	 *	terminal
162	 *	idle time
163	 *	if messages allowed
164	 *	where logged in from
165	 * if not logged in
166	 *	when last logged in
167	 */
168	/* find out longest device name for this user for formatting */
169	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
170		if ((len = strlen(w->tty)) > maxlen)
171			maxlen = len;
172	/* find rest of entries for user */
173	for (w = pn->whead; w != NULL; w = w->next) {
174		if (w->info == LOGGEDIN) {
175			tp = localtime(&w->loginat);
176			strftime(t, sizeof(t), "%c", tp);
177			tzn = tp->tm_zone;
178			cpr = printf("On since %.16s (%s) on %s",
179			    t, tzn, w->tty);
180			/*
181			 * idle time is tough; if have one, print a comma,
182			 * then spaces to pad out the device name, then the
183			 * idle time.  Follow with a comma if a remote login.
184			 */
185			delta = gmtime(&w->idletime);
186			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
187				cpr += printf("%-*s idle ",
188				    maxlen - strlen(w->tty) + 1, ",");
189				if (delta->tm_yday > 0) {
190					cpr += printf("%d day%s ",
191					   delta->tm_yday,
192					   delta->tm_yday == 1 ? "" : "s");
193				}
194				cpr += printf("%d:%02d",
195				    delta->tm_hour, delta->tm_min);
196				if (*w->host) {
197					putchar(',');
198					++cpr;
199				}
200			}
201			if (!w->writable)
202				cpr += printf(" (messages off)");
203		} else if (w->loginat == 0) {
204			cpr = printf("Never logged in.");
205		} else {
206			tp = localtime(&w->loginat);
207			strftime(t, sizeof(t), "%c", tp);
208			tzn = tp->tm_zone;
209			if (now - w->loginat > 86400 * 365 / 2)
210				cpr =
211				    printf("Last login %.16s %.4s (%s) on %s",
212				    t, t + 20, tzn, w->tty);
213			else
214				cpr = printf("Last login %.16s (%s) on %s",
215				    t, tzn, w->tty);
216		}
217		if (*w->host) {
218			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
219				(void)printf("\n   ");
220			(void)printf(" from %s", w->host);
221		}
222		putchar('\n');
223	}
224	if (pn->mailrecv == -1)
225		printf("No Mail.\n");
226	else if (pn->mailrecv > pn->mailread) {
227		tp = localtime(&pn->mailrecv);
228		strftime(t, sizeof(t), "%c", tp);
229		tzn = tp->tm_zone;
230		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
231		tp = localtime(&pn->mailread);
232		strftime(t, sizeof(t), "%c", tp);
233		tzn = tp->tm_zone;
234		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
235	} else {
236		tp = localtime(&pn->mailread);
237		strftime(t, sizeof(t), "%c", tp);
238		tzn = tp->tm_zone;
239		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
240	}
241}
242
243static int
244demi_print(str, oddfield)
245	char *str;
246	int oddfield;
247{
248	static int lenlast;
249	int lenthis, maxlen;
250
251	lenthis = strlen(str);
252	if (oddfield) {
253		/*
254		 * We left off on an odd number of fields.  If we haven't
255		 * crossed the midpoint of the screen, and we have room for
256		 * the next field, print it on the same line; otherwise,
257		 * print it on a new line.
258		 *
259		 * Note: we insist on having the right hand fields start
260		 * no less than 5 tabs out.
261		 */
262		maxlen = 5 * TAB_LEN;
263		if (maxlen < lenlast)
264			maxlen = lenlast;
265		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
266		    lenthis) <= LINE_LEN) {
267			while(lenlast < (4 * TAB_LEN)) {
268				putchar('\t');
269				lenlast += TAB_LEN;
270			}
271			(void)printf("\t%s\n", str);	/* force one tab */
272		} else {
273			(void)printf("\n%s", str);	/* go to next line */
274			oddfield = !oddfield;	/* this'll be undone below */
275		}
276	} else
277		(void)printf("%s", str);
278	oddfield = !oddfield;			/* toggle odd/even marker */
279	lenlast = lenthis;
280	return(oddfield);
281}
282
283int
284show_text(directory, file_name, header)
285	char *directory, *file_name, *header;
286{
287	struct stat sb;
288	register FILE *fp;
289	register int ch, cnt;
290	register char *p, lastc;
291	int fd, nr;
292
293	lastc = '\0';
294
295	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
296	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
297	    sb.st_size == 0)
298		return(0);
299
300	/* If short enough, and no newlines, show it on a single line.*/
301	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
302		nr = read(fd, tbuf, sizeof(tbuf));
303		if (nr <= 0) {
304			(void)close(fd);
305			return(0);
306		}
307		for (p = tbuf, cnt = nr; cnt--; ++p)
308			if (*p == '\n')
309				break;
310		if (cnt <= 1) {
311			if (*header != '\0')
312				(void)printf("%s: ", header);
313			for (p = tbuf, cnt = nr; cnt--; ++p)
314				if (*p != '\r')
315					vputc(lastc = *p);
316			if (lastc != '\n')
317				(void)putchar('\n');
318			(void)close(fd);
319			return(1);
320		}
321		else
322			(void)lseek(fd, 0L, SEEK_SET);
323	}
324	if ((fp = fdopen(fd, "r")) == NULL)
325		return(0);
326	if (*header != '\0')
327		(void)printf("%s:\n", header);
328	while ((ch = getc(fp)) != EOF)
329		if (ch != '\r')
330			vputc(lastc = ch);
331	if (lastc != '\n')
332		(void)putchar('\n');
333	(void)fclose(fp);
334	return(1);
335}
336
337static void
338vputc(ch)
339	register unsigned char ch;
340{
341	int meta;
342
343	if (!isprint(ch) && !isascii(ch)) {
344		(void)putchar('M');
345		(void)putchar('-');
346		ch = toascii(ch);
347		meta = 1;
348	} else
349		meta = 0;
350	if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n')))
351		(void)putchar(ch);
352	else {
353		(void)putchar('^');
354		(void)putchar(ch == '\177' ? '?' : ch | 0100);
355	}
356}
357