lprint.c revision 70474 
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  "$FreeBSD: head/usr.bin/finger/lprint.c 70474 2000-12-29 11:39:25Z des $";
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#include "pathnames.h"
63#include "extern.h"
64
65#define	LINE_LEN	80
66#define	TAB_LEN		8		/* 8 spaces between tabs */
67
68static int	demi_print __P((char *, int));
69static void	lprint __P((PERSON *));
70static void     vputc __P((unsigned char));
71
72void
73lflag_print()
74{
75	extern int pplan;
76	register PERSON *pn;
77	register int sflag, r;
78	PERSON *tmp;
79	DBT data, key;
80
81	for (sflag = R_FIRST;; sflag = R_NEXT) {
82		r = (*db->seq)(db, &key, &data, sflag);
83		if (r == -1)
84			err(1, "db seq");
85		if (r == 1)
86			break;
87		memmove(&tmp, data.data, sizeof tmp);
88		pn = tmp;
89		if (sflag != R_FIRST)
90			putchar('\n');
91		lprint(pn);
92		if (!pplan) {
93			(void)show_text(pn->dir,
94			    _PATH_FORWARD, "Mail forwarded to");
95			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
96			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
97				(void)printf("No Plan.\n");
98			(void)show_text(pn->dir,
99			    _PATH_PUBLICKEY, "Public key");
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		if (w->info == LOGGEDIN) {
180			tp = localtime(&w->loginat);
181			strftime(t, sizeof(t), "%c", tp);
182			tzn = tp->tm_zone;
183			cpr = printf("On since %.16s (%s) on %s",
184			    t, tzn, w->tty);
185			/*
186			 * idle time is tough; if have one, print a comma,
187			 * then spaces to pad out the device name, then the
188			 * idle time.  Follow with a comma if a remote login.
189			 */
190			delta = gmtime(&w->idletime);
191			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
192				cpr += printf("%-*s idle ",
193				    maxlen - strlen(w->tty) + 1, ",");
194				if (delta->tm_yday > 0) {
195					cpr += printf("%d day%s ",
196					   delta->tm_yday,
197					   delta->tm_yday == 1 ? "" : "s");
198				}
199				cpr += printf("%d:%02d",
200				    delta->tm_hour, delta->tm_min);
201				if (*w->host) {
202					putchar(',');
203					++cpr;
204				}
205			}
206			if (!w->writable)
207				cpr += printf(" (messages off)");
208		} else if (w->loginat == 0) {
209			cpr = printf("Never logged in.");
210		} else {
211			tp = localtime(&w->loginat);
212			strftime(t, sizeof(t), "%c", tp);
213			tzn = tp->tm_zone;
214			if (now - w->loginat > 86400 * 365 / 2)
215				cpr =
216				    printf("Last login %.16s %.4s (%s) on %s",
217				    t, t + 20, tzn, w->tty);
218			else
219				cpr = printf("Last login %.16s (%s) on %s",
220				    t, tzn, w->tty);
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
288int
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;
295	register char *p, lastc;
296	int fd, nr;
297
298	lastc = '\0';
299
300	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
301	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
302	    sb.st_size == 0)
303		return(0);
304
305	/* If short enough, and no newlines, show it on a single line.*/
306	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
307		nr = read(fd, tbuf, sizeof(tbuf));
308		if (nr <= 0) {
309			(void)close(fd);
310			return(0);
311		}
312		for (p = tbuf, cnt = nr; cnt--; ++p)
313			if (*p == '\n')
314				break;
315		if (cnt <= 1) {
316			if (*header != '\0')
317				(void)printf("%s: ", header);
318			for (p = tbuf, cnt = nr; cnt--; ++p)
319				if (*p != '\r')
320					vputc(lastc = *p);
321			if (lastc != '\n')
322				(void)putchar('\n');
323			(void)close(fd);
324			return(1);
325		}
326		else
327			(void)lseek(fd, 0L, SEEK_SET);
328	}
329	if ((fp = fdopen(fd, "r")) == NULL)
330		return(0);
331	if (*header != '\0')
332		(void)printf("%s:\n", header);
333	while ((ch = getc(fp)) != EOF)
334		if (ch != '\r')
335			vputc(lastc = ch);
336	if (lastc != '\n')
337		(void)putchar('\n');
338	(void)fclose(fp);
339	return(1);
340}
341
342static void
343vputc(ch)
344	register unsigned char ch;
345{
346	int meta;
347
348	if (!isprint(ch) && !isascii(ch)) {
349		(void)putchar('M');
350		(void)putchar('-');
351		ch = toascii(ch);
352		meta = 1;
353	} else
354		meta = 0;
355	if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n')))
356		(void)putchar(ch);
357	else {
358		(void)putchar('^');
359		(void)putchar(ch == '\177' ? '?' : ch | 0100);
360	}
361}
362