lprint.c revision 92920 
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#if 0
38#ifndef lint
39static char sccsid[] = "@(#)lprint.c	8.3 (Berkeley) 4/28/95";
40#endif
41#endif
42
43#include <sys/cdefs.h>
44__FBSDID("$FreeBSD: head/usr.bin/finger/lprint.c 92920 2002-03-22 01:22:50Z imp $");
45
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <sys/time.h>
49#include <ctype.h>
50#include <db.h>
51#include <err.h>
52#include <fcntl.h>
53#include <langinfo.h>
54#include <paths.h>
55#include <pwd.h>
56#include <stdio.h>
57#include <string.h>
58#include <unistd.h>
59#include <utmp.h>
60#include "finger.h"
61#include "pathnames.h"
62#include "extern.h"
63
64#define	LINE_LEN	80
65#define	TAB_LEN		8		/* 8 spaces between tabs */
66
67static int	demi_print(char *, int);
68static void	lprint(PERSON *);
69static void     vputc(unsigned char);
70
71void
72lflag_print()
73{
74	extern int pplan;
75	PERSON *pn;
76	int sflag, r;
77	PERSON *tmp;
78	DBT data, key;
79
80	for (sflag = R_FIRST;; sflag = R_NEXT) {
81		r = (*db->seq)(db, &key, &data, sflag);
82		if (r == -1)
83			err(1, "db seq");
84		if (r == 1)
85			break;
86		memmove(&tmp, data.data, sizeof tmp);
87		pn = tmp;
88		if (sflag != R_FIRST)
89			putchar('\n');
90		lprint(pn);
91		if (!pplan) {
92			(void)show_text(pn->dir,
93			    _PATH_FORWARD, "Mail forwarded to");
94			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
95			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
96				(void)printf("No Plan.\n");
97			(void)show_text(pn->dir,
98			    _PATH_PUBKEY, "Public key");
99		}
100	}
101}
102
103static void
104lprint(pn)
105	PERSON *pn;
106{
107	extern time_t now;
108	struct tm *delta;
109	WHERE *w;
110	int cpr, len, maxlen;
111	struct tm *tp;
112	int oddfield;
113	char t[80];
114
115	if (d_first < 0)
116		d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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),
182			    d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)",
183			    tp);
184			cpr = printf("On since %s on %s", t, 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 - (int)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			if (now - w->loginat > 86400 * 365 / 2) {
213				strftime(t, sizeof(t),
214					 d_first ? "%a %e %b %R %Y (%Z)" :
215						   "%a %b %e %R %Y (%Z)",
216					 tp);
217			} else {
218				strftime(t, sizeof(t),
219					 d_first ? "%a %e %b %R (%Z)" :
220						   "%a %b %e %R (%Z)",
221					 tp);
222			}
223			cpr = printf("Last login %s on %s", t, w->tty);
224		}
225		if (*w->host) {
226			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
227				(void)printf("\n   ");
228			(void)printf(" from %s", w->host);
229		}
230		putchar('\n');
231	}
232	if (pn->mailrecv == -1)
233		printf("No Mail.\n");
234	else if (pn->mailrecv > pn->mailread) {
235		tp = localtime(&pn->mailrecv);
236		strftime(t, sizeof(t),
237			 d_first ? "%a %e %b %R %Y (%Z)" :
238				   "%a %b %e %R %Y (%Z)",
239			 tp);
240		printf("New mail received %s\n", t);
241		tp = localtime(&pn->mailread);
242		strftime(t, sizeof(t),
243			 d_first ? "%a %e %b %R %Y (%Z)" :
244				   "%a %b %e %R %Y (%Z)",
245			 tp);
246		printf("     Unread since %s\n", t);
247	} else {
248		tp = localtime(&pn->mailread);
249		strftime(t, sizeof(t),
250			 d_first ? "%a %e %b %R %Y (%Z)" :
251				   "%a %b %e %R %Y (%Z)",
252			 tp);
253		printf("Mail last read %s\n", t);
254	}
255}
256
257static int
258demi_print(str, oddfield)
259	char *str;
260	int oddfield;
261{
262	static int lenlast;
263	int lenthis, maxlen;
264
265	lenthis = strlen(str);
266	if (oddfield) {
267		/*
268		 * We left off on an odd number of fields.  If we haven't
269		 * crossed the midpoint of the screen, and we have room for
270		 * the next field, print it on the same line; otherwise,
271		 * print it on a new line.
272		 *
273		 * Note: we insist on having the right hand fields start
274		 * no less than 5 tabs out.
275		 */
276		maxlen = 5 * TAB_LEN;
277		if (maxlen < lenlast)
278			maxlen = lenlast;
279		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
280		    lenthis) <= LINE_LEN) {
281			while(lenlast < (4 * TAB_LEN)) {
282				putchar('\t');
283				lenlast += TAB_LEN;
284			}
285			(void)printf("\t%s\n", str);	/* force one tab */
286		} else {
287			(void)printf("\n%s", str);	/* go to next line */
288			oddfield = !oddfield;	/* this'll be undone below */
289		}
290	} else
291		(void)printf("%s", str);
292	oddfield = !oddfield;			/* toggle odd/even marker */
293	lenlast = lenthis;
294	return(oddfield);
295}
296
297int
298show_text(directory, file_name, header)
299	const char *directory, *file_name, *header;
300{
301	struct stat sb;
302	FILE *fp;
303	int ch, cnt;
304	char *p, lastc;
305	int fd, nr;
306
307	lastc = '\0';
308
309	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
310	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
311	    sb.st_size == 0)
312		return(0);
313
314	/* If short enough, and no newlines, show it on a single line.*/
315	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
316		nr = read(fd, tbuf, sizeof(tbuf));
317		if (nr <= 0) {
318			(void)close(fd);
319			return(0);
320		}
321		for (p = tbuf, cnt = nr; cnt--; ++p)
322			if (*p == '\n')
323				break;
324		if (cnt <= 1) {
325			if (*header != '\0')
326				(void)printf("%s: ", header);
327			for (p = tbuf, cnt = nr; cnt--; ++p)
328				if (*p != '\r')
329					vputc(lastc = *p);
330			if (lastc != '\n')
331				(void)putchar('\n');
332			(void)close(fd);
333			return(1);
334		}
335		else
336			(void)lseek(fd, 0L, SEEK_SET);
337	}
338	if ((fp = fdopen(fd, "r")) == NULL)
339		return(0);
340	if (*header != '\0')
341		(void)printf("%s:\n", header);
342	while ((ch = getc(fp)) != EOF)
343		if (ch != '\r')
344			vputc(lastc = ch);
345	if (lastc != '\n')
346		(void)putchar('\n');
347	(void)fclose(fp);
348	return(1);
349}
350
351static void
352vputc(ch)
353	unsigned char ch;
354{
355	int meta;
356
357	if (!isprint(ch) && !isascii(ch)) {
358		(void)putchar('M');
359		(void)putchar('-');
360		ch = toascii(ch);
361		meta = 1;
362	} else
363		meta = 0;
364	if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n')))
365		(void)putchar(ch);
366	else {
367		(void)putchar('^');
368		(void)putchar(ch == '\177' ? '?' : ch | 0100);
369	}
370}
371