xref: /freebsd/usr.bin/finger/util.c (revision df3f5d9dd51fa82a604ec559a75d3791a7b80ed5)
19b50d902SRodney W. Grimes /*
29b50d902SRodney W. Grimes  * Copyright (c) 1989, 1993
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * This code is derived from software contributed to Berkeley by
69b50d902SRodney W. Grimes  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
79b50d902SRodney W. Grimes  *
89b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
99b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
109b50d902SRodney W. Grimes  * are met:
119b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
129b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
139b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
149b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
159b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
169b50d902SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
179b50d902SRodney W. Grimes  *    must display the following acknowledgement:
189b50d902SRodney W. Grimes  *	This product includes software developed by the University of
199b50d902SRodney W. Grimes  *	California, Berkeley and its contributors.
209b50d902SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
219b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
229b50d902SRodney W. Grimes  *    without specific prior written permission.
239b50d902SRodney W. Grimes  *
249b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
259b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
269b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
279b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
289b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
299b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
309b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
319b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
329b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
339b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
349b50d902SRodney W. Grimes  * SUCH DAMAGE.
359b50d902SRodney W. Grimes  */
369b50d902SRodney W. Grimes 
379b50d902SRodney W. Grimes #ifndef lint
38df3f5d9dSPeter Wemm static char sccsid[] = "@(#)util.c	8.3 (Berkeley) 4/28/95";
399b50d902SRodney W. Grimes #endif /* not lint */
409b50d902SRodney W. Grimes 
419b50d902SRodney W. Grimes #include <sys/param.h>
429b50d902SRodney W. Grimes #include <sys/stat.h>
439b50d902SRodney W. Grimes #include <fcntl.h>
449b50d902SRodney W. Grimes #include <db.h>
45df3f5d9dSPeter Wemm #include <err.h>
469b50d902SRodney W. Grimes #include <pwd.h>
479b50d902SRodney W. Grimes #include <utmp.h>
489b50d902SRodney W. Grimes #include <errno.h>
499b50d902SRodney W. Grimes #include <unistd.h>
509b50d902SRodney W. Grimes #include <stdio.h>
519b50d902SRodney W. Grimes #include <ctype.h>
529b50d902SRodney W. Grimes #include <stdlib.h>
539b50d902SRodney W. Grimes #include <string.h>
549b50d902SRodney W. Grimes #include <paths.h>
5586641d8fSPaul Traina #include <errno.h>
569b50d902SRodney W. Grimes #include "finger.h"
579b50d902SRodney W. Grimes 
589b50d902SRodney W. Grimes static void	 find_idle_and_ttywrite __P((WHERE *));
599b50d902SRodney W. Grimes static void	 userinfo __P((PERSON *, struct passwd *));
609b50d902SRodney W. Grimes static WHERE	*walloc __P((PERSON *));
619b50d902SRodney W. Grimes 
629b50d902SRodney W. Grimes int
639b50d902SRodney W. Grimes match(pw, user)
649b50d902SRodney W. Grimes 	struct passwd *pw;
659b50d902SRodney W. Grimes 	char *user;
669b50d902SRodney W. Grimes {
679b50d902SRodney W. Grimes 	register char *p, *t;
689b50d902SRodney W. Grimes 	char name[1024];
699b50d902SRodney W. Grimes 
709b50d902SRodney W. Grimes 	if (!strcasecmp(pw->pw_name, user))
719b50d902SRodney W. Grimes 		return(1);
729b50d902SRodney W. Grimes 
739b50d902SRodney W. Grimes 	/*
749b50d902SRodney W. Grimes 	 * XXX
759b50d902SRodney W. Grimes 	 * Why do we skip asterisks!?!?
769b50d902SRodney W. Grimes 	 */
779b50d902SRodney W. Grimes 	(void)strcpy(p = tbuf, pw->pw_gecos);
789b50d902SRodney W. Grimes 	if (*p == '*')
799b50d902SRodney W. Grimes 		++p;
809b50d902SRodney W. Grimes 
819b50d902SRodney W. Grimes 	/* Ampersands get replaced by the login name. */
829b50d902SRodney W. Grimes 	if ((p = strtok(p, ",")) == NULL)
839b50d902SRodney W. Grimes 		return(0);
849b50d902SRodney W. Grimes 
85df3f5d9dSPeter Wemm 	for (t = name; (*t = *p) != '\0'; ++p)
869b50d902SRodney W. Grimes 		if (*t == '&') {
879b50d902SRodney W. Grimes 			(void)strcpy(t, pw->pw_name);
889b50d902SRodney W. Grimes 			while (*++t);
899b50d902SRodney W. Grimes 		}
909b50d902SRodney W. Grimes 		else
919b50d902SRodney W. Grimes 			++t;
92df3f5d9dSPeter Wemm 	for (t = name; (p = strtok(t, "\t ")) != NULL; t = NULL)
939b50d902SRodney W. Grimes 		if (!strcasecmp(p, user))
949b50d902SRodney W. Grimes 			return(1);
959b50d902SRodney W. Grimes 	return(0);
969b50d902SRodney W. Grimes }
979b50d902SRodney W. Grimes 
989b50d902SRodney W. Grimes void
999b50d902SRodney W. Grimes enter_lastlog(pn)
1009b50d902SRodney W. Grimes 	register PERSON *pn;
1019b50d902SRodney W. Grimes {
1029b50d902SRodney W. Grimes 	register WHERE *w;
1039b50d902SRodney W. Grimes 	static int opened, fd;
1049b50d902SRodney W. Grimes 	struct lastlog ll;
1059b50d902SRodney W. Grimes 	char doit = 0;
1069b50d902SRodney W. Grimes 
1079b50d902SRodney W. Grimes 	/* some systems may not maintain lastlog, don't report errors. */
1089b50d902SRodney W. Grimes 	if (!opened) {
1099b50d902SRodney W. Grimes 		fd = open(_PATH_LASTLOG, O_RDONLY, 0);
1109b50d902SRodney W. Grimes 		opened = 1;
1119b50d902SRodney W. Grimes 	}
1129b50d902SRodney W. Grimes 	if (fd == -1 ||
1139b50d902SRodney W. Grimes 	    lseek(fd, (long)pn->uid * sizeof(ll), SEEK_SET) !=
1149b50d902SRodney W. Grimes 	    (long)pn->uid * sizeof(ll) ||
1159b50d902SRodney W. Grimes 	    read(fd, (char *)&ll, sizeof(ll)) != sizeof(ll)) {
1169b50d902SRodney W. Grimes 			/* as if never logged in */
1179b50d902SRodney W. Grimes 			ll.ll_line[0] = ll.ll_host[0] = NULL;
1189b50d902SRodney W. Grimes 			ll.ll_time = 0;
1199b50d902SRodney W. Grimes 		}
1209b50d902SRodney W. Grimes 	if ((w = pn->whead) == NULL)
1219b50d902SRodney W. Grimes 		doit = 1;
1229b50d902SRodney W. Grimes 	else if (ll.ll_time != 0) {
1239b50d902SRodney W. Grimes 		/* if last login is earlier than some current login */
1249b50d902SRodney W. Grimes 		for (; !doit && w != NULL; w = w->next)
1259b50d902SRodney W. Grimes 			if (w->info == LOGGEDIN && w->loginat < ll.ll_time)
1269b50d902SRodney W. Grimes 				doit = 1;
1279b50d902SRodney W. Grimes 		/*
1289b50d902SRodney W. Grimes 		 * and if it's not any of the current logins
1299b50d902SRodney W. Grimes 		 * can't use time comparison because there may be a small
1309b50d902SRodney W. Grimes 		 * discrepency since login calls time() twice
1319b50d902SRodney W. Grimes 		 */
1329b50d902SRodney W. Grimes 		for (w = pn->whead; doit && w != NULL; w = w->next)
1339b50d902SRodney W. Grimes 			if (w->info == LOGGEDIN &&
1349b50d902SRodney W. Grimes 			    strncmp(w->tty, ll.ll_line, UT_LINESIZE) == 0)
1359b50d902SRodney W. Grimes 				doit = 0;
1369b50d902SRodney W. Grimes 	}
1379b50d902SRodney W. Grimes 	if (doit) {
1389b50d902SRodney W. Grimes 		w = walloc(pn);
1399b50d902SRodney W. Grimes 		w->info = LASTLOG;
1409b50d902SRodney W. Grimes 		bcopy(ll.ll_line, w->tty, UT_LINESIZE);
1419b50d902SRodney W. Grimes 		w->tty[UT_LINESIZE] = 0;
1429b50d902SRodney W. Grimes 		bcopy(ll.ll_host, w->host, UT_HOSTSIZE);
1439b50d902SRodney W. Grimes 		w->host[UT_HOSTSIZE] = 0;
1449b50d902SRodney W. Grimes 		w->loginat = ll.ll_time;
1459b50d902SRodney W. Grimes 	}
1469b50d902SRodney W. Grimes }
1479b50d902SRodney W. Grimes 
1489b50d902SRodney W. Grimes void
1499b50d902SRodney W. Grimes enter_where(ut, pn)
1509b50d902SRodney W. Grimes 	struct utmp *ut;
1519b50d902SRodney W. Grimes 	PERSON *pn;
1529b50d902SRodney W. Grimes {
1539b50d902SRodney W. Grimes 	register WHERE *w;
1549b50d902SRodney W. Grimes 
1559b50d902SRodney W. Grimes 	w = walloc(pn);
1569b50d902SRodney W. Grimes 	w->info = LOGGEDIN;
1579b50d902SRodney W. Grimes 	bcopy(ut->ut_line, w->tty, UT_LINESIZE);
1589b50d902SRodney W. Grimes 	w->tty[UT_LINESIZE] = 0;
1599b50d902SRodney W. Grimes 	bcopy(ut->ut_host, w->host, UT_HOSTSIZE);
1609b50d902SRodney W. Grimes 	w->host[UT_HOSTSIZE] = 0;
1619b50d902SRodney W. Grimes 	w->loginat = (time_t)ut->ut_time;
1629b50d902SRodney W. Grimes 	find_idle_and_ttywrite(w);
1639b50d902SRodney W. Grimes }
1649b50d902SRodney W. Grimes 
1659b50d902SRodney W. Grimes PERSON *
1669b50d902SRodney W. Grimes enter_person(pw)
1679b50d902SRodney W. Grimes 	register struct passwd *pw;
1689b50d902SRodney W. Grimes {
1699b50d902SRodney W. Grimes 	DBT data, key;
1709b50d902SRodney W. Grimes 	PERSON *pn;
1719b50d902SRodney W. Grimes 
1729b50d902SRodney W. Grimes 	if (db == NULL &&
1739b50d902SRodney W. Grimes 	    (db = dbopen(NULL, O_RDWR, 0, DB_BTREE, NULL)) == NULL)
174df3f5d9dSPeter Wemm 		err(1, NULL);
1759b50d902SRodney W. Grimes 
1769b50d902SRodney W. Grimes 	key.data = pw->pw_name;
1779b50d902SRodney W. Grimes 	key.size = strlen(pw->pw_name);
1789b50d902SRodney W. Grimes 
1799b50d902SRodney W. Grimes 	switch ((*db->get)(db, &key, &data, 0)) {
1809b50d902SRodney W. Grimes 	case 0:
181df3f5d9dSPeter Wemm 		memmove(&pn, data.data, sizeof pn);
182df3f5d9dSPeter Wemm 		return (pn);
1839b50d902SRodney W. Grimes 	default:
1849b50d902SRodney W. Grimes 	case -1:
185df3f5d9dSPeter Wemm 		err(1, "db get");
1869b50d902SRodney W. Grimes 		/* NOTREACHED */
1879b50d902SRodney W. Grimes 	case 1:
1889b50d902SRodney W. Grimes 		++entries;
1899b50d902SRodney W. Grimes 		pn = palloc();
1909b50d902SRodney W. Grimes 		userinfo(pn, pw);
1919b50d902SRodney W. Grimes 		pn->whead = NULL;
1929b50d902SRodney W. Grimes 
1939b50d902SRodney W. Grimes 		data.size = sizeof(PERSON *);
1949b50d902SRodney W. Grimes 		data.data = &pn;
1959b50d902SRodney W. Grimes 		if ((*db->put)(db, &key, &data, 0))
196df3f5d9dSPeter Wemm 			err(1, "db put");
1979b50d902SRodney W. Grimes 		return (pn);
1989b50d902SRodney W. Grimes 	}
1999b50d902SRodney W. Grimes }
2009b50d902SRodney W. Grimes 
2019b50d902SRodney W. Grimes PERSON *
2029b50d902SRodney W. Grimes find_person(name)
2039b50d902SRodney W. Grimes 	char *name;
2049b50d902SRodney W. Grimes {
2058829c73eSJordan K. Hubbard 	struct passwd *pw;
2068829c73eSJordan K. Hubbard 
2079b50d902SRodney W. Grimes 	register int cnt;
2089b50d902SRodney W. Grimes 	DBT data, key;
209df3f5d9dSPeter Wemm 	PERSON *p;
2109b50d902SRodney W. Grimes 	char buf[UT_NAMESIZE + 1];
2119b50d902SRodney W. Grimes 
2129b50d902SRodney W. Grimes 	if (!db)
2139b50d902SRodney W. Grimes 		return(NULL);
2149b50d902SRodney W. Grimes 
2158829c73eSJordan K. Hubbard 	if ((pw = getpwnam(name)) && hide(pw))
2168829c73eSJordan K. Hubbard 		return(NULL);
2178829c73eSJordan K. Hubbard 
2189b50d902SRodney W. Grimes 	/* Name may be only UT_NAMESIZE long and not NUL terminated. */
2199b50d902SRodney W. Grimes 	for (cnt = 0; cnt < UT_NAMESIZE && *name; ++name, ++cnt)
2209b50d902SRodney W. Grimes 		buf[cnt] = *name;
2219b50d902SRodney W. Grimes 	buf[cnt] = '\0';
2229b50d902SRodney W. Grimes 	key.data = buf;
2239b50d902SRodney W. Grimes 	key.size = cnt;
2249b50d902SRodney W. Grimes 
225df3f5d9dSPeter Wemm 	if ((*db->get)(db, &key, &data, 0))
226df3f5d9dSPeter Wemm 		return (NULL);
227df3f5d9dSPeter Wemm 	memmove(&p, data.data, sizeof p);
228df3f5d9dSPeter Wemm 	return (p);
2299b50d902SRodney W. Grimes }
2309b50d902SRodney W. Grimes 
2319b50d902SRodney W. Grimes PERSON *
2329b50d902SRodney W. Grimes palloc()
2339b50d902SRodney W. Grimes {
2349b50d902SRodney W. Grimes 	PERSON *p;
2359b50d902SRodney W. Grimes 
2369b50d902SRodney W. Grimes 	if ((p = malloc((u_int) sizeof(PERSON))) == NULL)
237df3f5d9dSPeter Wemm 		err(1, NULL);
2389b50d902SRodney W. Grimes 	return(p);
2399b50d902SRodney W. Grimes }
2409b50d902SRodney W. Grimes 
2419b50d902SRodney W. Grimes static WHERE *
2429b50d902SRodney W. Grimes walloc(pn)
2439b50d902SRodney W. Grimes 	register PERSON *pn;
2449b50d902SRodney W. Grimes {
2459b50d902SRodney W. Grimes 	register WHERE *w;
2469b50d902SRodney W. Grimes 
2479b50d902SRodney W. Grimes 	if ((w = malloc((u_int) sizeof(WHERE))) == NULL)
248df3f5d9dSPeter Wemm 		err(1, NULL);
2499b50d902SRodney W. Grimes 	if (pn->whead == NULL)
2509b50d902SRodney W. Grimes 		pn->whead = pn->wtail = w;
2519b50d902SRodney W. Grimes 	else {
2529b50d902SRodney W. Grimes 		pn->wtail->next = w;
2539b50d902SRodney W. Grimes 		pn->wtail = w;
2549b50d902SRodney W. Grimes 	}
2559b50d902SRodney W. Grimes 	w->next = NULL;
2569b50d902SRodney W. Grimes 	return(w);
2579b50d902SRodney W. Grimes }
2589b50d902SRodney W. Grimes 
2599b50d902SRodney W. Grimes char *
2609b50d902SRodney W. Grimes prphone(num)
2619b50d902SRodney W. Grimes 	char *num;
2629b50d902SRodney W. Grimes {
2639b50d902SRodney W. Grimes 	register char *p;
2649b50d902SRodney W. Grimes 	int len;
2659b50d902SRodney W. Grimes 	static char pbuf[15];
2669b50d902SRodney W. Grimes 
2679b50d902SRodney W. Grimes 	/* don't touch anything if the user has their own formatting */
2689b50d902SRodney W. Grimes 	for (p = num; *p; ++p)
2699b50d902SRodney W. Grimes 		if (!isdigit(*p))
2709b50d902SRodney W. Grimes 			return(num);
2719b50d902SRodney W. Grimes 	len = p - num;
2729b50d902SRodney W. Grimes 	p = pbuf;
2739b50d902SRodney W. Grimes 	switch(len) {
2749b50d902SRodney W. Grimes 	case 11:			/* +0-123-456-7890 */
2759b50d902SRodney W. Grimes 		*p++ = '+';
2769b50d902SRodney W. Grimes 		*p++ = *num++;
2779b50d902SRodney W. Grimes 		*p++ = '-';
2789b50d902SRodney W. Grimes 		/* FALLTHROUGH */
2799b50d902SRodney W. Grimes 	case 10:			/* 012-345-6789 */
2809b50d902SRodney W. Grimes 		*p++ = *num++;
2819b50d902SRodney W. Grimes 		*p++ = *num++;
2829b50d902SRodney W. Grimes 		*p++ = *num++;
2839b50d902SRodney W. Grimes 		*p++ = '-';
2849b50d902SRodney W. Grimes 		/* FALLTHROUGH */
2859b50d902SRodney W. Grimes 	case 7:				/* 012-3456 */
2869b50d902SRodney W. Grimes 		*p++ = *num++;
2879b50d902SRodney W. Grimes 		*p++ = *num++;
2889b50d902SRodney W. Grimes 		*p++ = *num++;
2899b50d902SRodney W. Grimes 		break;
2909b50d902SRodney W. Grimes 	case 5:				/* x0-1234 */
29186641d8fSPaul Traina 	case 4:				/* x1234 */
2929b50d902SRodney W. Grimes 		*p++ = 'x';
2939b50d902SRodney W. Grimes 		*p++ = *num++;
2949b50d902SRodney W. Grimes 		break;
2959b50d902SRodney W. Grimes 	default:
2969b50d902SRodney W. Grimes 		return(num);
2979b50d902SRodney W. Grimes 	}
29886641d8fSPaul Traina 	if (len != 4) {
2999b50d902SRodney W. Grimes 	    *p++ = '-';
3009b50d902SRodney W. Grimes 	    *p++ = *num++;
30186641d8fSPaul Traina 	}
3029b50d902SRodney W. Grimes 	*p++ = *num++;
3039b50d902SRodney W. Grimes 	*p++ = *num++;
3049b50d902SRodney W. Grimes 	*p++ = *num++;
3059b50d902SRodney W. Grimes 	*p = '\0';
3069b50d902SRodney W. Grimes 	return(pbuf);
3079b50d902SRodney W. Grimes }
3089b50d902SRodney W. Grimes 
3099b50d902SRodney W. Grimes static void
3109b50d902SRodney W. Grimes find_idle_and_ttywrite(w)
3119b50d902SRodney W. Grimes 	register WHERE *w;
3129b50d902SRodney W. Grimes {
3139b50d902SRodney W. Grimes 	extern time_t now;
3149b50d902SRodney W. Grimes 	struct stat sb;
3159b50d902SRodney W. Grimes 
3169b50d902SRodney W. Grimes 	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", _PATH_DEV, w->tty);
3179b50d902SRodney W. Grimes 	if (stat(tbuf, &sb) < 0) {
318df3f5d9dSPeter Wemm 		warn(tbuf);
3199b50d902SRodney W. Grimes 		return;
3209b50d902SRodney W. Grimes 	}
3219b50d902SRodney W. Grimes 	w->idletime = now < sb.st_atime ? 0 : now - sb.st_atime;
3229b50d902SRodney W. Grimes 
3239b50d902SRodney W. Grimes #define	TALKABLE	0220		/* tty is writable if 220 mode */
3249b50d902SRodney W. Grimes 	w->writable = ((sb.st_mode & TALKABLE) == TALKABLE);
3259b50d902SRodney W. Grimes }
3269b50d902SRodney W. Grimes 
3279b50d902SRodney W. Grimes static void
3289b50d902SRodney W. Grimes userinfo(pn, pw)
3299b50d902SRodney W. Grimes 	register PERSON *pn;
3309b50d902SRodney W. Grimes 	register struct passwd *pw;
3319b50d902SRodney W. Grimes {
3329b50d902SRodney W. Grimes 	register char *p, *t;
3339b50d902SRodney W. Grimes 	char *bp, name[1024];
33486641d8fSPaul Traina 	struct stat sb;
3359b50d902SRodney W. Grimes 
3369b50d902SRodney W. Grimes 	pn->realname = pn->office = pn->officephone = pn->homephone = NULL;
3379b50d902SRodney W. Grimes 
3389b50d902SRodney W. Grimes 	pn->uid = pw->pw_uid;
3399b50d902SRodney W. Grimes 	pn->name = strdup(pw->pw_name);
3409b50d902SRodney W. Grimes 	pn->dir = strdup(pw->pw_dir);
3419b50d902SRodney W. Grimes 	pn->shell = strdup(pw->pw_shell);
3429b50d902SRodney W. Grimes 
3439b50d902SRodney W. Grimes 	/* why do we skip asterisks!?!? */
3449b50d902SRodney W. Grimes 	(void)strcpy(bp = tbuf, pw->pw_gecos);
3459b50d902SRodney W. Grimes 	if (*bp == '*')
3469b50d902SRodney W. Grimes 		++bp;
3479b50d902SRodney W. Grimes 
3489b50d902SRodney W. Grimes 	/* ampersands get replaced by the login name */
3499b50d902SRodney W. Grimes 	if (!(p = strsep(&bp, ",")))
3509b50d902SRodney W. Grimes 		return;
351df3f5d9dSPeter Wemm 	for (t = name; (*t = *p) != '\0'; ++p)
3529b50d902SRodney W. Grimes 		if (*t == '&') {
3539b50d902SRodney W. Grimes 			(void)strcpy(t, pw->pw_name);
3549b50d902SRodney W. Grimes 			if (islower(*t))
3559b50d902SRodney W. Grimes 				*t = toupper(*t);
3569b50d902SRodney W. Grimes 			while (*++t);
3579b50d902SRodney W. Grimes 		}
3589b50d902SRodney W. Grimes 		else
3599b50d902SRodney W. Grimes 			++t;
3609b50d902SRodney W. Grimes 	pn->realname = strdup(name);
3619b50d902SRodney W. Grimes 	pn->office = ((p = strsep(&bp, ",")) && *p) ?
3629b50d902SRodney W. Grimes 	    strdup(p) : NULL;
3639b50d902SRodney W. Grimes 	pn->officephone = ((p = strsep(&bp, ",")) && *p) ?
3649b50d902SRodney W. Grimes 	    strdup(p) : NULL;
3659b50d902SRodney W. Grimes 	pn->homephone = ((p = strsep(&bp, ",")) && *p) ?
3669b50d902SRodney W. Grimes 	    strdup(p) : NULL;
36786641d8fSPaul Traina 	(void)sprintf(tbuf,"%s/%s", _PATH_MAILDIR, pw->pw_name);
36886641d8fSPaul Traina 	pn->mailrecv = -1;		/* -1 == not_valid */
36986641d8fSPaul Traina 	if (stat(tbuf, &sb) < 0) {
37086641d8fSPaul Traina 		if (errno != ENOENT) {
37186641d8fSPaul Traina 			(void)fprintf(stderr,
37286641d8fSPaul Traina 			    "finger: %s: %s\n", tbuf, strerror(errno));
37386641d8fSPaul Traina 			return;
37486641d8fSPaul Traina 		}
37586641d8fSPaul Traina 	} else if (sb.st_size != 0) {
37686641d8fSPaul Traina 		pn->mailrecv = sb.st_mtime;
37786641d8fSPaul Traina 		pn->mailread = sb.st_atime;
37886641d8fSPaul Traina 	}
3799b50d902SRodney W. Grimes }
3809b50d902SRodney W. Grimes 
3818829c73eSJordan K. Hubbard /*
3828829c73eSJordan K. Hubbard  * Is this user hiding from finger?
3838829c73eSJordan K. Hubbard  * If ~<user>/.nofinger exists, return 1 (hide), else return 0 (nohide).
3848829c73eSJordan K. Hubbard  */
3858829c73eSJordan K. Hubbard 
3868829c73eSJordan K. Hubbard int
3878829c73eSJordan K. Hubbard hide(pw)
3888829c73eSJordan K. Hubbard 	struct passwd *pw;
3898829c73eSJordan K. Hubbard {
3908829c73eSJordan K. Hubbard 	int fd;
3918829c73eSJordan K. Hubbard 	char buf[MAXPATHLEN+1];
3928829c73eSJordan K. Hubbard 
3938829c73eSJordan K. Hubbard 	if (!pw->pw_dir)
3948829c73eSJordan K. Hubbard 		return 0;
3958829c73eSJordan K. Hubbard 
3968829c73eSJordan K. Hubbard 	sprintf (buf, "%s/.nofinger", pw->pw_dir);
3978829c73eSJordan K. Hubbard 
3988829c73eSJordan K. Hubbard 	if (access (buf, F_OK) == 0)
3998829c73eSJordan K. Hubbard 		return 1;
4008829c73eSJordan K. Hubbard 
4018829c73eSJordan K. Hubbard 	return 0;
4028829c73eSJordan K. Hubbard }
403