lprint.c revision 27169 
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#else
41static const char rcsid[] =
42	"$Id$";
43#endif
44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <sys/time.h>
49#include <fcntl.h>
50#include <time.h>
51#include <db.h>
52#include <err.h>
53#include <pwd.h>
54#include <utmp.h>
55#include <errno.h>
56#include <unistd.h>
57#include <stdio.h>
58#include <ctype.h>
59#include <string.h>
60#include <paths.h>
61#include "finger.h"
62
63#define	LINE_LEN	80
64#define	TAB_LEN		8		/* 8 spaces between tabs */
65#define	_PATH_FORWARD	".forward"
66#define	_PATH_PLAN	".plan"
67#define	_PATH_PROJECT	".project"
68
69static int	demi_print __P((char *, int));
70static void	lprint __P((PERSON *));
71static int	show_text __P((char *, char *, char *));
72static void	vputc __P((int));
73
74void
75lflag_print()
76{
77	extern int pplan;
78	register PERSON *pn;
79	register int sflag, r;
80	PERSON *tmp;
81	DBT data, key;
82
83	for (sflag = R_FIRST;; sflag = R_NEXT) {
84		r = (*db->seq)(db, &key, &data, sflag);
85		if (r == -1)
86			err(1, "db seq");
87		if (r == 1)
88			break;
89		memmove(&tmp, data.data, sizeof tmp);
90		pn = tmp;
91		if (sflag != R_FIRST)
92			putchar('\n');
93		lprint(pn);
94		if (!pplan) {
95			(void)show_text(pn->dir,
96			    _PATH_FORWARD, "Mail forwarded to");
97			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
98			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
99				(void)printf("No Plan.\n");
100		}
101	}
102}
103
104static void
105lprint(pn)
106	register PERSON *pn;
107{
108	extern time_t now;
109	register struct tm *delta;
110	register WHERE *w;
111	register int cpr, len, maxlen;
112	struct tm *tp;
113	int oddfield;
114	char *tzn;
115	char t[80];
116
117	/*
118	 * long format --
119	 *	login name
120	 *	real name
121	 *	home directory
122	 *	shell
123	 *	office, office phone, home phone if available
124	 *	mail status
125	 */
126	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
127	    pn->name, pn->realname, pn->dir);
128	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
129
130	/*
131	 * try and print office, office phone, and home phone on one line;
132	 * if that fails, do line filling so it looks nice.
133	 */
134#define	OFFICE_TAG		"Office"
135#define	OFFICE_PHONE_TAG	"Office Phone"
136	oddfield = 0;
137	if (pn->office && pn->officephone &&
138	    strlen(pn->office) + strlen(pn->officephone) +
139	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
140		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
141		    OFFICE_TAG, pn->office, prphone(pn->officephone));
142		oddfield = demi_print(tbuf, oddfield);
143	} else {
144		if (pn->office) {
145			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
146			    OFFICE_TAG, pn->office);
147			oddfield = demi_print(tbuf, oddfield);
148		}
149		if (pn->officephone) {
150			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
151			    OFFICE_PHONE_TAG, prphone(pn->officephone));
152			oddfield = demi_print(tbuf, oddfield);
153		}
154	}
155	if (pn->homephone) {
156		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
157		    prphone(pn->homephone));
158		oddfield = demi_print(tbuf, oddfield);
159	}
160	if (oddfield)
161		putchar('\n');
162
163	/*
164	 * long format con't:
165	 * if logged in
166	 *	terminal
167	 *	idle time
168	 *	if messages allowed
169	 *	where logged in from
170	 * if not logged in
171	 *	when last logged in
172	 */
173	/* find out longest device name for this user for formatting */
174	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
175		if ((len = strlen(w->tty)) > maxlen)
176			maxlen = len;
177	/* find rest of entries for user */
178	for (w = pn->whead; w != NULL; w = w->next) {
179		switch (w->info) {
180		case LOGGEDIN:
181			tp = localtime(&w->loginat);
182			strftime(t, sizeof(t), "%c", tp);
183			tzn = tp->tm_zone;
184			cpr = printf("On since %.16s (%s) on %s",
185			    t, tzn, w->tty);
186			/*
187			 * idle time is tough; if have one, print a comma,
188			 * then spaces to pad out the device name, then the
189			 * idle time.  Follow with a comma if a remote login.
190			 */
191			delta = gmtime(&w->idletime);
192			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
193				cpr += printf("%-*s idle ",
194				    maxlen - strlen(w->tty) + 1, ",");
195				if (delta->tm_yday > 0) {
196					cpr += printf("%d day%s ",
197					   delta->tm_yday,
198					   delta->tm_yday == 1 ? "" : "s");
199				}
200				cpr += printf("%d:%02d",
201				    delta->tm_hour, delta->tm_min);
202				if (*w->host) {
203					putchar(',');
204					++cpr;
205				}
206			}
207			if (!w->writable)
208				cpr += printf(" (messages off)");
209			break;
210		case LASTLOG:
211			if (w->loginat == 0) {
212				(void)printf("Never logged in.");
213				break;
214			}
215			tp = localtime(&w->loginat);
216			strftime(t, sizeof(t), "%c", tp);
217			tzn = tp->tm_zone;
218			if (now - w->loginat > 86400 * 365 / 2)
219				cpr =
220				    printf("Last login %.16s %.4s (%s) on %s",
221				    t, t + 20, tzn, w->tty);
222			else
223				cpr = printf("Last login %.16s (%s) on %s",
224				    t, tzn, w->tty);
225			break;
226		}
227		if (*w->host) {
228			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
229				(void)printf("\n   ");
230			(void)printf(" from %s", w->host);
231		}
232		putchar('\n');
233	}
234	if (pn->mailrecv == -1)
235		printf("No Mail.\n");
236	else if (pn->mailrecv > pn->mailread) {
237		tp = localtime(&pn->mailrecv);
238		strftime(t, sizeof(t), "%c", tp);
239		tzn = tp->tm_zone;
240		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
241		tp = localtime(&pn->mailread);
242		strftime(t, sizeof(t), "%c", tp);
243		tzn = tp->tm_zone;
244		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
245	} else {
246		tp = localtime(&pn->mailread);
247		strftime(t, sizeof(t), "%c", tp);
248		tzn = tp->tm_zone;
249		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
250	}
251}
252
253static int
254demi_print(str, oddfield)
255	char *str;
256	int oddfield;
257{
258	static int lenlast;
259	int lenthis, maxlen;
260
261	lenthis = strlen(str);
262	if (oddfield) {
263		/*
264		 * We left off on an odd number of fields.  If we haven't
265		 * crossed the midpoint of the screen, and we have room for
266		 * the next field, print it on the same line; otherwise,
267		 * print it on a new line.
268		 *
269		 * Note: we insist on having the right hand fields start
270		 * no less than 5 tabs out.
271		 */
272		maxlen = 5 * TAB_LEN;
273		if (maxlen < lenlast)
274			maxlen = lenlast;
275		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
276		    lenthis) <= LINE_LEN) {
277			while(lenlast < (4 * TAB_LEN)) {
278				putchar('\t');
279				lenlast += TAB_LEN;
280			}
281			(void)printf("\t%s\n", str);	/* force one tab */
282		} else {
283			(void)printf("\n%s", str);	/* go to next line */
284			oddfield = !oddfield;	/* this'll be undone below */
285		}
286	} else
287		(void)printf("%s", str);
288	oddfield = !oddfield;			/* toggle odd/even marker */
289	lenlast = lenthis;
290	return(oddfield);
291}
292
293static int
294show_text(directory, file_name, header)
295	char *directory, *file_name, *header;
296{
297	struct stat sb;
298	register FILE *fp;
299	register int ch, cnt, lastc;
300	register char *p;
301	int fd, nr;
302
303	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
304	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
305	    sb.st_size == 0)
306		return(0);
307
308	/* If short enough, and no newlines, show it on a single line.*/
309	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
310		nr = read(fd, tbuf, sizeof(tbuf));
311		if (nr <= 0) {
312			(void)close(fd);
313			return(0);
314		}
315		for (p = tbuf, cnt = nr; cnt--; ++p)
316			if (*p == '\n')
317				break;
318		if (cnt <= 1) {
319			(void)printf("%s: ", header);
320			for (p = tbuf, cnt = nr; cnt--; ++p)
321				if (*p != '\r')
322					vputc(lastc = *p);
323			if (lastc != '\n')
324				(void)putchar('\n');
325			(void)close(fd);
326			return(1);
327		}
328		else
329			(void)lseek(fd, 0L, SEEK_SET);
330	}
331	if ((fp = fdopen(fd, "r")) == NULL)
332		return(0);
333	(void)printf("%s:\n", header);
334	while ((ch = getc(fp)) != EOF)
335		if (ch != '\r')
336			vputc(lastc = ch);
337	if (lastc != '\n')
338		(void)putchar('\n');
339	(void)fclose(fp);
340	return(1);
341}
342
343static void
344vputc(ch)
345	register int ch;
346{
347	int meta;
348
349	if (!isprint(ch) && !isascii(ch)) {
350		(void)putchar('M');
351		(void)putchar('-');
352		ch = toascii(ch);
353		meta = 1;
354	} else
355		meta = 0;
356	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
357		(void)putchar(ch);
358	else {
359		(void)putchar('^');
360		(void)putchar(ch == '\177' ? '?' : ch | 0100);
361	}
362}
363