lprint.c revision 9987 
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 *t, *tzn;
107
108	/*
109	 * long format --
110	 *	login name
111	 *	real name
112	 *	home directory
113	 *	shell
114	 *	office, office phone, home phone if available
115	 *	mail status
116	 */
117	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
118	    pn->name, pn->realname, pn->dir);
119	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
120
121	/*
122	 * try and print office, office phone, and home phone on one line;
123	 * if that fails, do line filling so it looks nice.
124	 */
125#define	OFFICE_TAG		"Office"
126#define	OFFICE_PHONE_TAG	"Office Phone"
127	oddfield = 0;
128	if (pn->office && pn->officephone &&
129	    strlen(pn->office) + strlen(pn->officephone) +
130	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
131		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
132		    OFFICE_TAG, pn->office, prphone(pn->officephone));
133		oddfield = demi_print(tbuf, oddfield);
134	} else {
135		if (pn->office) {
136			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
137			    OFFICE_TAG, pn->office);
138			oddfield = demi_print(tbuf, oddfield);
139		}
140		if (pn->officephone) {
141			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
142			    OFFICE_PHONE_TAG, prphone(pn->officephone));
143			oddfield = demi_print(tbuf, oddfield);
144		}
145	}
146	if (pn->homephone) {
147		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
148		    prphone(pn->homephone));
149		oddfield = demi_print(tbuf, oddfield);
150	}
151	if (oddfield)
152		putchar('\n');
153
154	/*
155	 * long format con't:
156	 * if logged in
157	 *	terminal
158	 *	idle time
159	 *	if messages allowed
160	 *	where logged in from
161	 * if not logged in
162	 *	when last logged in
163	 */
164	/* find out longest device name for this user for formatting */
165	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
166		if ((len = strlen(w->tty)) > maxlen)
167			maxlen = len;
168	/* find rest of entries for user */
169	for (w = pn->whead; w != NULL; w = w->next) {
170		switch (w->info) {
171		case LOGGEDIN:
172			tp = localtime(&w->loginat);
173			t = asctime(tp);
174			tzn = tp->tm_zone;
175			cpr = printf("On since %.16s (%s) on %s",
176			    t, tzn, w->tty);
177			/*
178			 * idle time is tough; if have one, print a comma,
179			 * then spaces to pad out the device name, then the
180			 * idle time.  Follow with a comma if a remote login.
181			 */
182			delta = gmtime(&w->idletime);
183			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
184				cpr += printf("%-*s idle ",
185				    maxlen - strlen(w->tty) + 1, ",");
186				if (delta->tm_yday > 0) {
187					cpr += printf("%d day%s ",
188					   delta->tm_yday,
189					   delta->tm_yday == 1 ? "" : "s");
190				}
191				cpr += printf("%d:%02d",
192				    delta->tm_hour, delta->tm_min);
193				if (*w->host) {
194					putchar(',');
195					++cpr;
196				}
197			}
198			if (!w->writable)
199				cpr += printf(" (messages off)");
200			break;
201		case LASTLOG:
202			if (w->loginat == 0) {
203				(void)printf("Never logged in.");
204				break;
205			}
206			tp = localtime(&w->loginat);
207			t = asctime(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			break;
217		}
218		if (*w->host) {
219			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
220				(void)printf("\n   ");
221			(void)printf(" from %s", w->host);
222		}
223		putchar('\n');
224	}
225	if (pn->mailrecv == -1)
226		printf("No Mail.\n");
227	else if (pn->mailrecv > pn->mailread) {
228		tp = localtime(&pn->mailrecv);
229		t = asctime(tp);
230		tzn = tp->tm_zone;
231		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
232		tp = localtime(&pn->mailread);
233		t = asctime(tp);
234		tzn = tp->tm_zone;
235		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
236	} else {
237		tp = localtime(&pn->mailread);
238		t = asctime(tp);
239		tzn = tp->tm_zone;
240		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
241	}
242}
243
244static int
245demi_print(str, oddfield)
246	char *str;
247	int oddfield;
248{
249	static int lenlast;
250	int lenthis, maxlen;
251
252	lenthis = strlen(str);
253	if (oddfield) {
254		/*
255		 * We left off on an odd number of fields.  If we haven't
256		 * crossed the midpoint of the screen, and we have room for
257		 * the next field, print it on the same line; otherwise,
258		 * print it on a new line.
259		 *
260		 * Note: we insist on having the right hand fields start
261		 * no less than 5 tabs out.
262		 */
263		maxlen = 5 * TAB_LEN;
264		if (maxlen < lenlast)
265			maxlen = lenlast;
266		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
267		    lenthis) <= LINE_LEN) {
268			while(lenlast < (4 * TAB_LEN)) {
269				putchar('\t');
270				lenlast += TAB_LEN;
271			}
272			(void)printf("\t%s\n", str);	/* force one tab */
273		} else {
274			(void)printf("\n%s", str);	/* go to next line */
275			oddfield = !oddfield;	/* this'll be undone below */
276		}
277	} else
278		(void)printf("%s", str);
279	oddfield = !oddfield;			/* toggle odd/even marker */
280	lenlast = lenthis;
281	return(oddfield);
282}
283
284static int
285show_text(directory, file_name, header)
286	char *directory, *file_name, *header;
287{
288	struct stat sb;
289	register FILE *fp;
290	register int ch, cnt, lastc;
291	register char *p;
292	int fd, nr;
293
294	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
295	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
296	    sb.st_size == 0)
297		return(0);
298
299	/* If short enough, and no newlines, show it on a single line.*/
300	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
301		nr = read(fd, tbuf, sizeof(tbuf));
302		if (nr <= 0) {
303			(void)close(fd);
304			return(0);
305		}
306		for (p = tbuf, cnt = nr; cnt--; ++p)
307			if (*p == '\n')
308				break;
309		if (cnt <= 1) {
310			(void)printf("%s: ", header);
311			for (p = tbuf, cnt = nr; cnt--; ++p)
312				vputc(lastc = *p);
313			if (lastc != '\n')
314				(void)putchar('\n');
315			(void)close(fd);
316			return(1);
317		}
318		else
319			(void)lseek(fd, 0L, SEEK_SET);
320	}
321	if ((fp = fdopen(fd, "r")) == NULL)
322		return(0);
323	(void)printf("%s:\n", header);
324	while ((ch = getc(fp)) != EOF)
325		vputc(lastc = ch);
326	if (lastc != '\n')
327		(void)putchar('\n');
328	(void)fclose(fp);
329	return(1);
330}
331
332static void
333vputc(ch)
334	register int ch;
335{
336	int meta;
337
338	if (!isascii(ch)) {
339		(void)putchar('M');
340		(void)putchar('-');
341		ch = toascii(ch);
342		meta = 1;
343	} else
344		meta = 0;
345	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
346		(void)putchar(ch);
347	else {
348		(void)putchar('^');
349		(void)putchar(ch == '\177' ? '?' : ch | 0100);
350	}
351}
352