lprint.c revision 9993 
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	8.1 (Berkeley) 6/6/93";
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 <pwd.h>
48#include <utmp.h>
49#include <errno.h>
50#include <unistd.h>
51#include <stdio.h>
52#include <ctype.h>
53#include <string.h>
54#include <paths.h>
55#include "finger.h"
56
57#define	LINE_LEN	80
58#define	TAB_LEN		8		/* 8 spaces between tabs */
59#define	_PATH_FORWARD	".forward"
60#define	_PATH_PLAN	".plan"
61#define	_PATH_PROJECT	".project"
62
63static int	demi_print __P((char *, int));
64static void	lprint __P((PERSON *));
65static int	show_text __P((char *, char *, char *));
66static void	vputc __P((int));
67
68void
69lflag_print()
70{
71	extern int pplan;
72	register PERSON *pn;
73	register int sflag, r;
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("db seq: %s", strerror(errno));
80		if (r == 1)
81			break;
82		pn = *(PERSON **)data.data;
83		if (sflag != R_FIRST)
84			putchar('\n');
85		lprint(pn);
86		if (!pplan) {
87			(void)show_text(pn->dir,
88			    _PATH_FORWARD, "Mail forwarded to");
89			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
90			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
91				(void)printf("No Plan.\n");
92		}
93	}
94}
95
96static void
97lprint(pn)
98	register PERSON *pn;
99{
100	extern time_t now;
101	register struct tm *delta;
102	register WHERE *w;
103	register int cpr, len, maxlen;
104	struct tm *tp;
105	int oddfield;
106	char *tzn;
107	char t[80];
108
109	/*
110	 * long format --
111	 *	login name
112	 *	real name
113	 *	home directory
114	 *	shell
115	 *	office, office phone, home phone if available
116	 *	mail status
117	 */
118	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
119	    pn->name, pn->realname, pn->dir);
120	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
121
122	/*
123	 * try and print office, office phone, and home phone on one line;
124	 * if that fails, do line filling so it looks nice.
125	 */
126#define	OFFICE_TAG		"Office"
127#define	OFFICE_PHONE_TAG	"Office Phone"
128	oddfield = 0;
129	if (pn->office && pn->officephone &&
130	    strlen(pn->office) + strlen(pn->officephone) +
131	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
132		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
133		    OFFICE_TAG, pn->office, prphone(pn->officephone));
134		oddfield = demi_print(tbuf, oddfield);
135	} else {
136		if (pn->office) {
137			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
138			    OFFICE_TAG, pn->office);
139			oddfield = demi_print(tbuf, oddfield);
140		}
141		if (pn->officephone) {
142			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
143			    OFFICE_PHONE_TAG, prphone(pn->officephone));
144			oddfield = demi_print(tbuf, oddfield);
145		}
146	}
147	if (pn->homephone) {
148		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
149		    prphone(pn->homephone));
150		oddfield = demi_print(tbuf, oddfield);
151	}
152	if (oddfield)
153		putchar('\n');
154
155	/*
156	 * long format con't:
157	 * if logged in
158	 *	terminal
159	 *	idle time
160	 *	if messages allowed
161	 *	where logged in from
162	 * if not logged in
163	 *	when last logged in
164	 */
165	/* find out longest device name for this user for formatting */
166	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
167		if ((len = strlen(w->tty)) > maxlen)
168			maxlen = len;
169	/* find rest of entries for user */
170	for (w = pn->whead; w != NULL; w = w->next) {
171		switch (w->info) {
172		case LOGGEDIN:
173			tp = localtime(&w->loginat);
174			strftime(t, sizeof(t), "%c", tp);
175			tzn = tp->tm_zone;
176			cpr = printf("On since %.16s (%s) on %s",
177			    t, tzn, w->tty);
178			/*
179			 * idle time is tough; if have one, print a comma,
180			 * then spaces to pad out the device name, then the
181			 * idle time.  Follow with a comma if a remote login.
182			 */
183			delta = gmtime(&w->idletime);
184			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
185				cpr += printf("%-*s idle ",
186				    maxlen - strlen(w->tty) + 1, ",");
187				if (delta->tm_yday > 0) {
188					cpr += printf("%d day%s ",
189					   delta->tm_yday,
190					   delta->tm_yday == 1 ? "" : "s");
191				}
192				cpr += printf("%d:%02d",
193				    delta->tm_hour, delta->tm_min);
194				if (*w->host) {
195					putchar(',');
196					++cpr;
197				}
198			}
199			if (!w->writable)
200				cpr += printf(" (messages off)");
201			break;
202		case LASTLOG:
203			if (w->loginat == 0) {
204				(void)printf("Never logged in.");
205				break;
206			}
207			tp = localtime(&w->loginat);
208			strftime(t, sizeof(t), "%c", tp);
209			tzn = tp->tm_zone;
210			if (now - w->loginat > 86400 * 365 / 2)
211				cpr =
212				    printf("Last login %.16s %.4s (%s) on %s",
213				    t, t + 20, tzn, w->tty);
214			else
215				cpr = printf("Last login %.16s (%s) on %s",
216				    t, tzn, w->tty);
217			break;
218		}
219		if (*w->host) {
220			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
221				(void)printf("\n   ");
222			(void)printf(" from %s", w->host);
223		}
224		putchar('\n');
225	}
226	if (pn->mailrecv == -1)
227		printf("No Mail.\n");
228	else if (pn->mailrecv > pn->mailread) {
229		tp = localtime(&pn->mailrecv);
230		strftime(t, sizeof(t), "%c", tp);
231		tzn = tp->tm_zone;
232		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
233		tp = localtime(&pn->mailread);
234		strftime(t, sizeof(t), "%c", tp);
235		tzn = tp->tm_zone;
236		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
237	} else {
238		tp = localtime(&pn->mailread);
239		strftime(t, sizeof(t), "%c", tp);
240		tzn = tp->tm_zone;
241		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
242	}
243}
244
245static int
246demi_print(str, oddfield)
247	char *str;
248	int oddfield;
249{
250	static int lenlast;
251	int lenthis, maxlen;
252
253	lenthis = strlen(str);
254	if (oddfield) {
255		/*
256		 * We left off on an odd number of fields.  If we haven't
257		 * crossed the midpoint of the screen, and we have room for
258		 * the next field, print it on the same line; otherwise,
259		 * print it on a new line.
260		 *
261		 * Note: we insist on having the right hand fields start
262		 * no less than 5 tabs out.
263		 */
264		maxlen = 5 * TAB_LEN;
265		if (maxlen < lenlast)
266			maxlen = lenlast;
267		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
268		    lenthis) <= LINE_LEN) {
269			while(lenlast < (4 * TAB_LEN)) {
270				putchar('\t');
271				lenlast += TAB_LEN;
272			}
273			(void)printf("\t%s\n", str);	/* force one tab */
274		} else {
275			(void)printf("\n%s", str);	/* go to next line */
276			oddfield = !oddfield;	/* this'll be undone below */
277		}
278	} else
279		(void)printf("%s", str);
280	oddfield = !oddfield;			/* toggle odd/even marker */
281	lenlast = lenthis;
282	return(oddfield);
283}
284
285static int
286show_text(directory, file_name, header)
287	char *directory, *file_name, *header;
288{
289	struct stat sb;
290	register FILE *fp;
291	register int ch, cnt, lastc;
292	register char *p;
293	int fd, nr;
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			(void)printf("%s: ", header);
312			for (p = tbuf, cnt = nr; cnt--; ++p)
313				vputc(lastc = *p);
314			if (lastc != '\n')
315				(void)putchar('\n');
316			(void)close(fd);
317			return(1);
318		}
319		else
320			(void)lseek(fd, 0L, SEEK_SET);
321	}
322	if ((fp = fdopen(fd, "r")) == NULL)
323		return(0);
324	(void)printf("%s:\n", header);
325	while ((ch = getc(fp)) != EOF)
326		vputc(lastc = ch);
327	if (lastc != '\n')
328		(void)putchar('\n');
329	(void)fclose(fp);
330	return(1);
331}
332
333static void
334vputc(ch)
335	register int ch;
336{
337	int meta;
338
339	if (!isascii(ch)) {
340		(void)putchar('M');
341		(void)putchar('-');
342		ch = toascii(ch);
343		meta = 1;
344	} else
345		meta = 0;
346	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
347		(void)putchar(ch);
348	else {
349		(void)putchar('^');
350		(void)putchar(ch == '\177' ? '?' : ch | 0100);
351	}
352}
353