xref: /freebsd/usr.bin/finger/util.c (revision f4ac32def255b5968bdd8150057b9c0d14595689)
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 
379f5b04e9SDavid Malone #if 0
389b50d902SRodney W. Grimes #ifndef lint
399f5b04e9SDavid Malone static char sccsid[] = "@(#)util.c	8.3 (Berkeley) 4/28/95";
404c86f3adSPhilippe Charnier #endif
419f5b04e9SDavid Malone #endif
429f5b04e9SDavid Malone 
439f5b04e9SDavid Malone #include <sys/cdefs.h>
449f5b04e9SDavid Malone __FBSDID("$FreeBSD$");
459b50d902SRodney W. Grimes 
469b50d902SRodney W. Grimes #include <sys/param.h>
47f4ac32deSDavid Malone #include <sys/socket.h>
489b50d902SRodney W. Grimes #include <sys/stat.h>
494c86f3adSPhilippe Charnier #include <ctype.h>
509b50d902SRodney W. Grimes #include <db.h>
51df3f5d9dSPeter Wemm #include <err.h>
529b50d902SRodney W. Grimes #include <errno.h>
534c86f3adSPhilippe Charnier #include <fcntl.h>
544c86f3adSPhilippe Charnier #include <paths.h>
554c86f3adSPhilippe Charnier #include <pwd.h>
569b50d902SRodney W. Grimes #include <stdio.h>
579b50d902SRodney W. Grimes #include <stdlib.h>
589b50d902SRodney W. Grimes #include <string.h>
594c86f3adSPhilippe Charnier #include <unistd.h>
604c86f3adSPhilippe Charnier #include <utmp.h>
619b50d902SRodney W. Grimes #include "finger.h"
62b95dbabaSYaroslav Tykhiy #include "pathnames.h"
639b50d902SRodney W. Grimes 
64f1bb2cd2SWarner Losh static void	 find_idle_and_ttywrite(WHERE *);
65f1bb2cd2SWarner Losh static void	 userinfo(PERSON *, struct passwd *);
66f1bb2cd2SWarner Losh static WHERE	*walloc(PERSON *);
679b50d902SRodney W. Grimes 
689b50d902SRodney W. Grimes int
69f4ac32deSDavid Malone match(struct passwd *pw, const char *user)
709b50d902SRodney W. Grimes {
714e030ba6SMark Murray 	char *p, *t;
729b50d902SRodney W. Grimes 	char name[1024];
739b50d902SRodney W. Grimes 
749b50d902SRodney W. Grimes 	if (!strcasecmp(pw->pw_name, user))
759b50d902SRodney W. Grimes 		return(1);
769b50d902SRodney W. Grimes 
779b50d902SRodney W. Grimes 	/*
789b50d902SRodney W. Grimes 	 * XXX
799b50d902SRodney W. Grimes 	 * Why do we skip asterisks!?!?
809b50d902SRodney W. Grimes 	 */
81e0d8eea1SWarner Losh 	(void)strncpy(p = tbuf, pw->pw_gecos, sizeof(tbuf));
82b59bb23bSWarner Losh 	tbuf[sizeof(tbuf) - 1] = '\0';
839b50d902SRodney W. Grimes 	if (*p == '*')
849b50d902SRodney W. Grimes 		++p;
859b50d902SRodney W. Grimes 
869b50d902SRodney W. Grimes 	/* Ampersands get replaced by the login name. */
879b50d902SRodney W. Grimes 	if ((p = strtok(p, ",")) == NULL)
889b50d902SRodney W. Grimes 		return(0);
899b50d902SRodney W. Grimes 
90b59bb23bSWarner Losh 	for (t = name; t < &name[sizeof(name) - 1] && (*t = *p) != '\0'; ++p) {
919b50d902SRodney W. Grimes 		if (*t == '&') {
92e0d8eea1SWarner Losh 			(void)strncpy(t, pw->pw_name,
93e0d8eea1SWarner Losh 			    sizeof(name) - (t - name));
94e0d8eea1SWarner Losh 			name[sizeof(name) - 1] = '\0';
95b59bb23bSWarner Losh 			while (t < &name[sizeof(name) - 1] && *++t)
96b59bb23bSWarner Losh 				continue;
97e0d8eea1SWarner Losh 		} else {
989b50d902SRodney W. Grimes 			++t;
99e0d8eea1SWarner Losh 		}
100e0d8eea1SWarner Losh 	}
101e0d8eea1SWarner Losh 	*t = '\0';
102df3f5d9dSPeter Wemm 	for (t = name; (p = strtok(t, "\t ")) != NULL; t = NULL)
1039b50d902SRodney W. Grimes 		if (!strcasecmp(p, user))
1049b50d902SRodney W. Grimes 			return(1);
1059b50d902SRodney W. Grimes 	return(0);
1069b50d902SRodney W. Grimes }
1079b50d902SRodney W. Grimes 
1089b50d902SRodney W. Grimes void
109f4ac32deSDavid Malone enter_lastlog(PERSON *pn)
1109b50d902SRodney W. Grimes {
1114e030ba6SMark Murray 	WHERE *w;
1129b50d902SRodney W. Grimes 	static int opened, fd;
1139b50d902SRodney W. Grimes 	struct lastlog ll;
1149b50d902SRodney W. Grimes 	char doit = 0;
1159b50d902SRodney W. Grimes 
1169b50d902SRodney W. Grimes 	/* some systems may not maintain lastlog, don't report errors. */
1179b50d902SRodney W. Grimes 	if (!opened) {
1189b50d902SRodney W. Grimes 		fd = open(_PATH_LASTLOG, O_RDONLY, 0);
1199b50d902SRodney W. Grimes 		opened = 1;
1209b50d902SRodney W. Grimes 	}
1219b50d902SRodney W. Grimes 	if (fd == -1 ||
1229b50d902SRodney W. Grimes 	    lseek(fd, (long)pn->uid * sizeof(ll), SEEK_SET) !=
1239b50d902SRodney W. Grimes 	    (long)pn->uid * sizeof(ll) ||
1249b50d902SRodney W. Grimes 	    read(fd, (char *)&ll, sizeof(ll)) != sizeof(ll)) {
1259b50d902SRodney W. Grimes 			/* as if never logged in */
126b14d8277SPhilippe Charnier 			ll.ll_line[0] = ll.ll_host[0] = '\0';
1279b50d902SRodney W. Grimes 			ll.ll_time = 0;
1289b50d902SRodney W. Grimes 		}
1299b50d902SRodney W. Grimes 	if ((w = pn->whead) == NULL)
1309b50d902SRodney W. Grimes 		doit = 1;
1319b50d902SRodney W. Grimes 	else if (ll.ll_time != 0) {
1329b50d902SRodney W. Grimes 		/* if last login is earlier than some current login */
1339b50d902SRodney W. Grimes 		for (; !doit && w != NULL; w = w->next)
1349b50d902SRodney W. Grimes 			if (w->info == LOGGEDIN && w->loginat < ll.ll_time)
1359b50d902SRodney W. Grimes 				doit = 1;
1369b50d902SRodney W. Grimes 		/*
1379b50d902SRodney W. Grimes 		 * and if it's not any of the current logins
1389b50d902SRodney W. Grimes 		 * can't use time comparison because there may be a small
1394c86f3adSPhilippe Charnier 		 * discrepancy since login calls time() twice
1409b50d902SRodney W. Grimes 		 */
1419b50d902SRodney W. Grimes 		for (w = pn->whead; doit && w != NULL; w = w->next)
1429b50d902SRodney W. Grimes 			if (w->info == LOGGEDIN &&
1439b50d902SRodney W. Grimes 			    strncmp(w->tty, ll.ll_line, UT_LINESIZE) == 0)
1449b50d902SRodney W. Grimes 				doit = 0;
1459b50d902SRodney W. Grimes 	}
1469b50d902SRodney W. Grimes 	if (doit) {
1479b50d902SRodney W. Grimes 		w = walloc(pn);
1489b50d902SRodney W. Grimes 		w->info = LASTLOG;
1499b50d902SRodney W. Grimes 		bcopy(ll.ll_line, w->tty, UT_LINESIZE);
1509b50d902SRodney W. Grimes 		w->tty[UT_LINESIZE] = 0;
1519b50d902SRodney W. Grimes 		bcopy(ll.ll_host, w->host, UT_HOSTSIZE);
1529b50d902SRodney W. Grimes 		w->host[UT_HOSTSIZE] = 0;
1539b50d902SRodney W. Grimes 		w->loginat = ll.ll_time;
1549b50d902SRodney W. Grimes 	}
1559b50d902SRodney W. Grimes }
1569b50d902SRodney W. Grimes 
1579b50d902SRodney W. Grimes void
158f4ac32deSDavid Malone enter_where(struct utmp *ut, PERSON *pn)
1599b50d902SRodney W. Grimes {
1604e030ba6SMark Murray 	WHERE *w;
1619b50d902SRodney W. Grimes 
1629b50d902SRodney W. Grimes 	w = walloc(pn);
1639b50d902SRodney W. Grimes 	w->info = LOGGEDIN;
1649b50d902SRodney W. Grimes 	bcopy(ut->ut_line, w->tty, UT_LINESIZE);
1659b50d902SRodney W. Grimes 	w->tty[UT_LINESIZE] = 0;
1669b50d902SRodney W. Grimes 	bcopy(ut->ut_host, w->host, UT_HOSTSIZE);
1679b50d902SRodney W. Grimes 	w->host[UT_HOSTSIZE] = 0;
1689b50d902SRodney W. Grimes 	w->loginat = (time_t)ut->ut_time;
1699b50d902SRodney W. Grimes 	find_idle_and_ttywrite(w);
1709b50d902SRodney W. Grimes }
1719b50d902SRodney W. Grimes 
1729b50d902SRodney W. Grimes PERSON *
173f4ac32deSDavid Malone enter_person(struct passwd *pw)
1749b50d902SRodney W. Grimes {
1759b50d902SRodney W. Grimes 	DBT data, key;
1769b50d902SRodney W. Grimes 	PERSON *pn;
1779b50d902SRodney W. Grimes 
1789b50d902SRodney W. Grimes 	if (db == NULL &&
1799b50d902SRodney W. Grimes 	    (db = dbopen(NULL, O_RDWR, 0, DB_BTREE, NULL)) == NULL)
180df3f5d9dSPeter Wemm 		err(1, NULL);
1819b50d902SRodney W. Grimes 
1829b50d902SRodney W. Grimes 	key.data = pw->pw_name;
1839b50d902SRodney W. Grimes 	key.size = strlen(pw->pw_name);
1849b50d902SRodney W. Grimes 
1859b50d902SRodney W. Grimes 	switch ((*db->get)(db, &key, &data, 0)) {
1869b50d902SRodney W. Grimes 	case 0:
187df3f5d9dSPeter Wemm 		memmove(&pn, data.data, sizeof pn);
188df3f5d9dSPeter Wemm 		return (pn);
1899b50d902SRodney W. Grimes 	default:
1909b50d902SRodney W. Grimes 	case -1:
191df3f5d9dSPeter Wemm 		err(1, "db get");
1929b50d902SRodney W. Grimes 		/* NOTREACHED */
1939b50d902SRodney W. Grimes 	case 1:
1949b50d902SRodney W. Grimes 		++entries;
1959b50d902SRodney W. Grimes 		pn = palloc();
1969b50d902SRodney W. Grimes 		userinfo(pn, pw);
1979b50d902SRodney W. Grimes 		pn->whead = NULL;
1989b50d902SRodney W. Grimes 
1999b50d902SRodney W. Grimes 		data.size = sizeof(PERSON *);
2009b50d902SRodney W. Grimes 		data.data = &pn;
2019b50d902SRodney W. Grimes 		if ((*db->put)(db, &key, &data, 0))
202df3f5d9dSPeter Wemm 			err(1, "db put");
2039b50d902SRodney W. Grimes 		return (pn);
2049b50d902SRodney W. Grimes 	}
2059b50d902SRodney W. Grimes }
2069b50d902SRodney W. Grimes 
2079b50d902SRodney W. Grimes PERSON *
208f4ac32deSDavid Malone find_person(const char *name)
2099b50d902SRodney W. Grimes {
2108829c73eSJordan K. Hubbard 	struct passwd *pw;
2118829c73eSJordan K. Hubbard 
2124e030ba6SMark Murray 	int cnt;
2139b50d902SRodney W. Grimes 	DBT data, key;
214df3f5d9dSPeter Wemm 	PERSON *p;
2159b50d902SRodney W. Grimes 	char buf[UT_NAMESIZE + 1];
2169b50d902SRodney W. Grimes 
2179b50d902SRodney W. Grimes 	if (!db)
2189b50d902SRodney W. Grimes 		return(NULL);
2199b50d902SRodney W. Grimes 
2208829c73eSJordan K. Hubbard 	if ((pw = getpwnam(name)) && hide(pw))
2218829c73eSJordan K. Hubbard 		return(NULL);
2228829c73eSJordan K. Hubbard 
2239b50d902SRodney W. Grimes 	/* Name may be only UT_NAMESIZE long and not NUL terminated. */
2249b50d902SRodney W. Grimes 	for (cnt = 0; cnt < UT_NAMESIZE && *name; ++name, ++cnt)
2259b50d902SRodney W. Grimes 		buf[cnt] = *name;
2269b50d902SRodney W. Grimes 	buf[cnt] = '\0';
2279b50d902SRodney W. Grimes 	key.data = buf;
2289b50d902SRodney W. Grimes 	key.size = cnt;
2299b50d902SRodney W. Grimes 
230df3f5d9dSPeter Wemm 	if ((*db->get)(db, &key, &data, 0))
231df3f5d9dSPeter Wemm 		return (NULL);
232df3f5d9dSPeter Wemm 	memmove(&p, data.data, sizeof p);
233df3f5d9dSPeter Wemm 	return (p);
2349b50d902SRodney W. Grimes }
2359b50d902SRodney W. Grimes 
2369b50d902SRodney W. Grimes PERSON *
237f4ac32deSDavid Malone palloc(void)
2389b50d902SRodney W. Grimes {
2399b50d902SRodney W. Grimes 	PERSON *p;
2409b50d902SRodney W. Grimes 
24147bca8b0SJuli Mallett 	if ((p = malloc(sizeof(PERSON))) == NULL)
242df3f5d9dSPeter Wemm 		err(1, NULL);
2439b50d902SRodney W. Grimes 	return(p);
2449b50d902SRodney W. Grimes }
2459b50d902SRodney W. Grimes 
2469b50d902SRodney W. Grimes static WHERE *
247f4ac32deSDavid Malone walloc(PERSON *pn)
2489b50d902SRodney W. Grimes {
2494e030ba6SMark Murray 	WHERE *w;
2509b50d902SRodney W. Grimes 
25147bca8b0SJuli Mallett 	if ((w = malloc(sizeof(WHERE))) == NULL)
252df3f5d9dSPeter Wemm 		err(1, NULL);
2539b50d902SRodney W. Grimes 	if (pn->whead == NULL)
2549b50d902SRodney W. Grimes 		pn->whead = pn->wtail = w;
2559b50d902SRodney W. Grimes 	else {
2569b50d902SRodney W. Grimes 		pn->wtail->next = w;
2579b50d902SRodney W. Grimes 		pn->wtail = w;
2589b50d902SRodney W. Grimes 	}
2599b50d902SRodney W. Grimes 	w->next = NULL;
2609b50d902SRodney W. Grimes 	return(w);
2619b50d902SRodney W. Grimes }
2629b50d902SRodney W. Grimes 
2639b50d902SRodney W. Grimes char *
264f4ac32deSDavid Malone prphone(char *num)
2659b50d902SRodney W. Grimes {
2664e030ba6SMark Murray 	char *p;
2679b50d902SRodney W. Grimes 	int len;
268e0d8eea1SWarner Losh 	static char pbuf[20];
2699b50d902SRodney W. Grimes 
2709b50d902SRodney W. Grimes 	/* don't touch anything if the user has their own formatting */
2719b50d902SRodney W. Grimes 	for (p = num; *p; ++p)
2729b50d902SRodney W. Grimes 		if (!isdigit(*p))
2739b50d902SRodney W. Grimes 			return(num);
2749b50d902SRodney W. Grimes 	len = p - num;
2759b50d902SRodney W. Grimes 	p = pbuf;
2769b50d902SRodney W. Grimes 	switch(len) {
2779b50d902SRodney W. Grimes 	case 11:			/* +0-123-456-7890 */
2789b50d902SRodney W. Grimes 		*p++ = '+';
2799b50d902SRodney W. Grimes 		*p++ = *num++;
2809b50d902SRodney W. Grimes 		*p++ = '-';
2819b50d902SRodney W. Grimes 		/* FALLTHROUGH */
2829b50d902SRodney W. Grimes 	case 10:			/* 012-345-6789 */
2839b50d902SRodney W. Grimes 		*p++ = *num++;
2849b50d902SRodney W. Grimes 		*p++ = *num++;
2859b50d902SRodney W. Grimes 		*p++ = *num++;
2869b50d902SRodney W. Grimes 		*p++ = '-';
2879b50d902SRodney W. Grimes 		/* FALLTHROUGH */
2889b50d902SRodney W. Grimes 	case 7:				/* 012-3456 */
2899b50d902SRodney W. Grimes 		*p++ = *num++;
2909b50d902SRodney W. Grimes 		*p++ = *num++;
2919b50d902SRodney W. Grimes 		*p++ = *num++;
2929b50d902SRodney W. Grimes 		break;
2939b50d902SRodney W. Grimes 	case 5:				/* x0-1234 */
29486641d8fSPaul Traina 	case 4:				/* x1234 */
2959b50d902SRodney W. Grimes 		*p++ = 'x';
2969b50d902SRodney W. Grimes 		*p++ = *num++;
2979b50d902SRodney W. Grimes 		break;
2989b50d902SRodney W. Grimes 	default:
2999b50d902SRodney W. Grimes 		return(num);
3009b50d902SRodney W. Grimes 	}
30186641d8fSPaul Traina 	if (len != 4) {
3029b50d902SRodney W. Grimes 	    *p++ = '-';
3039b50d902SRodney W. Grimes 	    *p++ = *num++;
30486641d8fSPaul Traina 	}
3059b50d902SRodney W. Grimes 	*p++ = *num++;
3069b50d902SRodney W. Grimes 	*p++ = *num++;
3079b50d902SRodney W. Grimes 	*p++ = *num++;
3089b50d902SRodney W. Grimes 	*p = '\0';
3099b50d902SRodney W. Grimes 	return(pbuf);
3109b50d902SRodney W. Grimes }
3119b50d902SRodney W. Grimes 
3129b50d902SRodney W. Grimes static void
313f4ac32deSDavid Malone find_idle_and_ttywrite(WHERE *w)
3149b50d902SRodney W. Grimes {
3159b50d902SRodney W. Grimes 	struct stat sb;
3163bebe991SBrian Somers 	time_t touched;
3179b50d902SRodney W. Grimes 
3189b50d902SRodney W. Grimes 	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", _PATH_DEV, w->tty);
3199b50d902SRodney W. Grimes 	if (stat(tbuf, &sb) < 0) {
320084c79f6SKris Kennaway 		warn("%s", tbuf);
3219b50d902SRodney W. Grimes 		return;
3229b50d902SRodney W. Grimes 	}
3233bebe991SBrian Somers 	touched = sb.st_atime;
3243bebe991SBrian Somers 	if (touched < w->loginat) {
3253bebe991SBrian Somers 		/* tty untouched since before login */
3263bebe991SBrian Somers 		touched = w->loginat;
3273bebe991SBrian Somers 	}
3283bebe991SBrian Somers 	w->idletime = now < touched ? 0 : now - touched;
3299b50d902SRodney W. Grimes 
3309b50d902SRodney W. Grimes #define	TALKABLE	0220		/* tty is writable if 220 mode */
3319b50d902SRodney W. Grimes 	w->writable = ((sb.st_mode & TALKABLE) == TALKABLE);
3329b50d902SRodney W. Grimes }
3339b50d902SRodney W. Grimes 
3349b50d902SRodney W. Grimes static void
335f4ac32deSDavid Malone userinfo(PERSON *pn, struct passwd *pw)
3369b50d902SRodney W. Grimes {
3374e030ba6SMark Murray 	char *p, *t;
3389b50d902SRodney W. Grimes 	char *bp, name[1024];
33986641d8fSPaul Traina 	struct stat sb;
3409b50d902SRodney W. Grimes 
3419b50d902SRodney W. Grimes 	pn->realname = pn->office = pn->officephone = pn->homephone = NULL;
3429b50d902SRodney W. Grimes 
3439b50d902SRodney W. Grimes 	pn->uid = pw->pw_uid;
3448728c621SChris D. Faulhaber 	if ((pn->name = strdup(pw->pw_name)) == NULL)
3458728c621SChris D. Faulhaber 		err(1, "strdup failed");
3468728c621SChris D. Faulhaber 	if ((pn->dir = strdup(pw->pw_dir)) == NULL)
3478728c621SChris D. Faulhaber 		err(1, "strdup failed");
3488728c621SChris D. Faulhaber 	if ((pn->shell = strdup(pw->pw_shell)) == NULL)
3498728c621SChris D. Faulhaber 		err(1, "strdup failed");
3509b50d902SRodney W. Grimes 
3519b50d902SRodney W. Grimes 	/* why do we skip asterisks!?!? */
352e0d8eea1SWarner Losh 	(void)strncpy(bp = tbuf, pw->pw_gecos, sizeof(tbuf));
353b59bb23bSWarner Losh 	tbuf[sizeof(tbuf) - 1] = '\0';
3549b50d902SRodney W. Grimes 	if (*bp == '*')
3559b50d902SRodney W. Grimes 		++bp;
3569b50d902SRodney W. Grimes 
3579b50d902SRodney W. Grimes 	/* ampersands get replaced by the login name */
3589b50d902SRodney W. Grimes 	if (!(p = strsep(&bp, ",")))
3599b50d902SRodney W. Grimes 		return;
360b59bb23bSWarner Losh 	for (t = name; t < &name[sizeof(name) - 1] && (*t = *p) != '\0'; ++p) {
3619b50d902SRodney W. Grimes 		if (*t == '&') {
362e0d8eea1SWarner Losh 			(void)strncpy(t, pw->pw_name,
363e0d8eea1SWarner Losh 			    sizeof(name) - (t - name));
364e0d8eea1SWarner Losh 			name[sizeof(name) - 1] = '\0';
3659b50d902SRodney W. Grimes 			if (islower(*t))
3669b50d902SRodney W. Grimes 				*t = toupper(*t);
367b59bb23bSWarner Losh 			while (t < &name[sizeof(name) - 1] && *++t)
368b59bb23bSWarner Losh 				continue;
369e0d8eea1SWarner Losh 		} else {
3709b50d902SRodney W. Grimes 			++t;
371e0d8eea1SWarner Losh 		}
372e0d8eea1SWarner Losh 	}
373e0d8eea1SWarner Losh 	*t = '\0';
3748728c621SChris D. Faulhaber 	if ((pn->realname = strdup(name)) == NULL)
3758728c621SChris D. Faulhaber 		err(1, "strdup failed");
3769b50d902SRodney W. Grimes 	pn->office = ((p = strsep(&bp, ",")) && *p) ?
3779b50d902SRodney W. Grimes 	    strdup(p) : NULL;
3789b50d902SRodney W. Grimes 	pn->officephone = ((p = strsep(&bp, ",")) && *p) ?
3799b50d902SRodney W. Grimes 	    strdup(p) : NULL;
3809b50d902SRodney W. Grimes 	pn->homephone = ((p = strsep(&bp, ",")) && *p) ?
3819b50d902SRodney W. Grimes 	    strdup(p) : NULL;
382e0d8eea1SWarner Losh 	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", _PATH_MAILDIR, pw->pw_name);
38386641d8fSPaul Traina 	pn->mailrecv = -1;		/* -1 == not_valid */
38486641d8fSPaul Traina 	if (stat(tbuf, &sb) < 0) {
38586641d8fSPaul Traina 		if (errno != ENOENT) {
386b14d8277SPhilippe Charnier 			warn("%s", tbuf);
38786641d8fSPaul Traina 			return;
38886641d8fSPaul Traina 		}
38986641d8fSPaul Traina 	} else if (sb.st_size != 0) {
39086641d8fSPaul Traina 		pn->mailrecv = sb.st_mtime;
39186641d8fSPaul Traina 		pn->mailread = sb.st_atime;
39286641d8fSPaul Traina 	}
3939b50d902SRodney W. Grimes }
3949b50d902SRodney W. Grimes 
3958829c73eSJordan K. Hubbard /*
3968829c73eSJordan K. Hubbard  * Is this user hiding from finger?
3978829c73eSJordan K. Hubbard  * If ~<user>/.nofinger exists, return 1 (hide), else return 0 (nohide).
3988829c73eSJordan K. Hubbard  */
3998829c73eSJordan K. Hubbard 
4008829c73eSJordan K. Hubbard int
401f4ac32deSDavid Malone hide(struct passwd *pw)
4028829c73eSJordan K. Hubbard {
403d691b79fSYaroslav Tykhiy 	struct stat st;
404167ea27bSWarner Losh 	char buf[MAXPATHLEN];
4058829c73eSJordan K. Hubbard 
4068829c73eSJordan K. Hubbard 	if (!pw->pw_dir)
4078829c73eSJordan K. Hubbard 		return 0;
4088829c73eSJordan K. Hubbard 
409b95dbabaSYaroslav Tykhiy 	snprintf(buf, sizeof(buf), "%s/%s", pw->pw_dir, _PATH_NOFINGER);
4108829c73eSJordan K. Hubbard 
411d691b79fSYaroslav Tykhiy 	if (stat(buf, &st) == 0)
4128829c73eSJordan K. Hubbard 		return 1;
4138829c73eSJordan K. Hubbard 
4148829c73eSJordan K. Hubbard 	return 0;
4158829c73eSJordan K. Hubbard }
416