lprint.c revision 23971 
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
38static char sccsid[] = "@(#)lprint.c	8.3 (Berkeley) 4/28/95";
39#endif /* not lint */
40
41#include <sys/types.h>
42#include <sys/stat.h>
43#include <sys/time.h>
44#include <fcntl.h>
45#include <time.h>
46#include <db.h>
47#include <err.h>
48#include <pwd.h>
49#include <utmp.h>
50#include <errno.h>
51#include <unistd.h>
52#include <stdio.h>
53#include <ctype.h>
54#include <string.h>
55#include <paths.h>
56#include "finger.h"
57
58#define	LINE_LEN	80
59#define	TAB_LEN		8		/* 8 spaces between tabs */
60#define	_PATH_FORWARD	".forward"
61#define	_PATH_PLAN	".plan"
62#define	_PATH_PROJECT	".project"
63
64static int	demi_print __P((char *, int));
65static void	lprint __P((PERSON *));
66static int	show_text __P((char *, char *, char *));
67static void	vputc __P((int));
68
69void
70lflag_print()
71{
72	extern int pplan;
73	register PERSON *pn;
74	register int sflag, r;
75	PERSON *tmp;
76	DBT data, key;
77
78	for (sflag = R_FIRST;; sflag = R_NEXT) {
79		r = (*db->seq)(db, &key, &data, sflag);
80		if (r == -1)
81			err(1, "db seq");
82		if (r == 1)
83			break;
84		memmove(&tmp, data.data, sizeof tmp);
85		pn = tmp;
86		if (sflag != R_FIRST)
87			putchar('\n');
88		lprint(pn);
89		if (!pplan) {
90			(void)show_text(pn->dir,
91			    _PATH_FORWARD, "Mail forwarded to");
92			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
93			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
94				(void)printf("No Plan.\n");
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		switch (w->info) {
175		case LOGGEDIN:
176			tp = localtime(&w->loginat);
177			strftime(t, sizeof(t), "%c", tp);
178			tzn = tp->tm_zone;
179			cpr = printf("On since %.16s (%s) on %s",
180			    t, tzn, w->tty);
181			/*
182			 * idle time is tough; if have one, print a comma,
183			 * then spaces to pad out the device name, then the
184			 * idle time.  Follow with a comma if a remote login.
185			 */
186			delta = gmtime(&w->idletime);
187			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
188				cpr += printf("%-*s idle ",
189				    maxlen - strlen(w->tty) + 1, ",");
190				if (delta->tm_yday > 0) {
191					cpr += printf("%d day%s ",
192					   delta->tm_yday,
193					   delta->tm_yday == 1 ? "" : "s");
194				}
195				cpr += printf("%d:%02d",
196				    delta->tm_hour, delta->tm_min);
197				if (*w->host) {
198					putchar(',');
199					++cpr;
200				}
201			}
202			if (!w->writable)
203				cpr += printf(" (messages off)");
204			break;
205		case LASTLOG:
206			if (w->loginat == 0) {
207				(void)printf("Never logged in.");
208				break;
209			}
210			tp = localtime(&w->loginat);
211			strftime(t, sizeof(t), "%c", tp);
212			tzn = tp->tm_zone;
213			if (now - w->loginat > 86400 * 365 / 2)
214				cpr =
215				    printf("Last login %.16s %.4s (%s) on %s",
216				    t, t + 20, tzn, w->tty);
217			else
218				cpr = printf("Last login %.16s (%s) on %s",
219				    t, tzn, w->tty);
220			break;
221		}
222		if (*w->host) {
223			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
224				(void)printf("\n   ");
225			(void)printf(" from %s", w->host);
226		}
227		putchar('\n');
228	}
229	if (pn->mailrecv == -1)
230		printf("No Mail.\n");
231	else if (pn->mailrecv > pn->mailread) {
232		tp = localtime(&pn->mailrecv);
233		strftime(t, sizeof(t), "%c", tp);
234		tzn = tp->tm_zone;
235		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
236		tp = localtime(&pn->mailread);
237		strftime(t, sizeof(t), "%c", tp);
238		tzn = tp->tm_zone;
239		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
240	} else {
241		tp = localtime(&pn->mailread);
242		strftime(t, sizeof(t), "%c", tp);
243		tzn = tp->tm_zone;
244		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
245	}
246}
247
248static int
249demi_print(str, oddfield)
250	char *str;
251	int oddfield;
252{
253	static int lenlast;
254	int lenthis, maxlen;
255
256	lenthis = strlen(str);
257	if (oddfield) {
258		/*
259		 * We left off on an odd number of fields.  If we haven't
260		 * crossed the midpoint of the screen, and we have room for
261		 * the next field, print it on the same line; otherwise,
262		 * print it on a new line.
263		 *
264		 * Note: we insist on having the right hand fields start
265		 * no less than 5 tabs out.
266		 */
267		maxlen = 5 * TAB_LEN;
268		if (maxlen < lenlast)
269			maxlen = lenlast;
270		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
271		    lenthis) <= LINE_LEN) {
272			while(lenlast < (4 * TAB_LEN)) {
273				putchar('\t');
274				lenlast += TAB_LEN;
275			}
276			(void)printf("\t%s\n", str);	/* force one tab */
277		} else {
278			(void)printf("\n%s", str);	/* go to next line */
279			oddfield = !oddfield;	/* this'll be undone below */
280		}
281	} else
282		(void)printf("%s", str);
283	oddfield = !oddfield;			/* toggle odd/even marker */
284	lenlast = lenthis;
285	return(oddfield);
286}
287
288static int
289show_text(directory, file_name, header)
290	char *directory, *file_name, *header;
291{
292	struct stat sb;
293	register FILE *fp;
294	register int ch, cnt, lastc;
295	register char *p;
296	int fd, nr;
297
298	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
299	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
300	    sb.st_size == 0)
301		return(0);
302
303	/* If short enough, and no newlines, show it on a single line.*/
304	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
305		nr = read(fd, tbuf, sizeof(tbuf));
306		if (nr <= 0) {
307			(void)close(fd);
308			return(0);
309		}
310		for (p = tbuf, cnt = nr; cnt--; ++p)
311			if (*p == '\n')
312				break;
313		if (cnt <= 1) {
314			(void)printf("%s: ", header);
315			for (p = tbuf, cnt = nr; cnt--; ++p)
316				if (*p != '\r')
317					vputc(lastc = *p);
318			if (lastc != '\n')
319				(void)putchar('\n');
320			(void)close(fd);
321			return(1);
322		}
323		else
324			(void)lseek(fd, 0L, SEEK_SET);
325	}
326	if ((fp = fdopen(fd, "r")) == NULL)
327		return(0);
328	(void)printf("%s:\n", header);
329	while ((ch = getc(fp)) != EOF)
330		if (ch != '\r')
331			vputc(lastc = ch);
332	if (lastc != '\n')
333		(void)putchar('\n');
334	(void)fclose(fp);
335	return(1);
336}
337
338static void
339vputc(ch)
340	register int ch;
341{
342	int meta;
343
344	if (!isprint(ch) && !isascii(ch)) {
345		(void)putchar('M');
346		(void)putchar('-');
347		ch = toascii(ch);
348		meta = 1;
349	} else
350		meta = 0;
351	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
352		(void)putchar(ch);
353	else {
354		(void)putchar('^');
355		(void)putchar(ch == '\177' ? '?' : ch | 0100);
356	}
357}
358