xref: /freebsd/usr.bin/finger/finger.c (revision 1acb5329c86305bcc28e19af29e056cb16f6d10a)
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 
3786641d8fSPaul Traina /*
3886641d8fSPaul Traina  * Luke Mewburn <lm@rmit.edu.au> added the following on 940622:
3986641d8fSPaul Traina  *    - mail status ("No Mail", "Mail read:...", or "New Mail ...,
4086641d8fSPaul Traina  *	Unread since ...".)
4186641d8fSPaul Traina  *    - 4 digit phone extensions (3210 is printed as x3210.)
4286641d8fSPaul Traina  *    - host/office toggling in short format with -h & -o.
4386641d8fSPaul Traina  *    - short day names (`Tue' printed instead of `Jun 21' if the
4486641d8fSPaul Traina  *	login time is < 6 days.
4586641d8fSPaul Traina  */
4686641d8fSPaul Traina 
479b50d902SRodney W. Grimes #ifndef lint
481e832bf8SRuslan Ermilov static const char copyright[] =
499b50d902SRodney W. Grimes "@(#) Copyright (c) 1989, 1993\n\
509b50d902SRodney W. Grimes 	The Regents of the University of California.  All rights reserved.\n";
519b50d902SRodney W. Grimes #endif /* not lint */
529b50d902SRodney W. Grimes 
539f5b04e9SDavid Malone #if 0
549b50d902SRodney W. Grimes #ifndef lint
559f5b04e9SDavid Malone static char sccsid[] = "@(#)finger.c	8.5 (Berkeley) 5/4/95";
564c86f3adSPhilippe Charnier #endif
579f5b04e9SDavid Malone #endif
589f5b04e9SDavid Malone 
599f5b04e9SDavid Malone #include <sys/cdefs.h>
609f5b04e9SDavid Malone __FBSDID("$FreeBSD$");
619b50d902SRodney W. Grimes 
629b50d902SRodney W. Grimes /*
639b50d902SRodney W. Grimes  * Finger prints out information about users.  It is not portable since
649b50d902SRodney W. Grimes  * certain fields (e.g. the full user name, office, and phone numbers) are
659b50d902SRodney W. Grimes  * extracted from the gecos field of the passwd file which other UNIXes
669b50d902SRodney W. Grimes  * may not have or may use for other things.
679b50d902SRodney W. Grimes  *
689b50d902SRodney W. Grimes  * There are currently two output formats; the short format is one line
699b50d902SRodney W. Grimes  * per user and displays login name, tty, login time, real name, idle time,
7086641d8fSPaul Traina  * and either remote host information (default) or office location/phone
7186641d8fSPaul Traina  * number, depending on if -h or -o is used respectively.
7286641d8fSPaul Traina  * The long format gives the same information (in a more legible format) as
7386641d8fSPaul Traina  * well as home directory, shell, mail info, and .plan/.project files.
749b50d902SRodney W. Grimes  */
759b50d902SRodney W. Grimes 
763daa8471SHajimu UMEMOTO #include <sys/types.h>
773daa8471SHajimu UMEMOTO #include <sys/socket.h>
78df3f5d9dSPeter Wemm #include <db.h>
79df3f5d9dSPeter Wemm #include <err.h>
80df3f5d9dSPeter Wemm #include <pwd.h>
819b50d902SRodney W. Grimes #include <stdio.h>
829b50d902SRodney W. Grimes #include <stdlib.h>
839b50d902SRodney W. Grimes #include <string.h>
84df3f5d9dSPeter Wemm #include <time.h>
85df3f5d9dSPeter Wemm #include <unistd.h>
86df3f5d9dSPeter Wemm #include <utmp.h>
87dc675fc2SAndrey A. Chernov #include <locale.h>
88df3f5d9dSPeter Wemm 
899b50d902SRodney W. Grimes #include "finger.h"
90098c6e87SBrian Somers #include "pathnames.h"
919b50d902SRodney W. Grimes 
929b50d902SRodney W. Grimes DB *db;
939b50d902SRodney W. Grimes time_t now;
940830bd13SJonathan Mini int entries, gflag, lflag, mflag, pplan, sflag, oflag, Tflag;
951acb5329SMaxim Sobolev sa_family_t family = PF_UNSPEC;
96f4d292b7SAndrey A. Chernov int d_first = -1;
979b50d902SRodney W. Grimes char tbuf[1024];
989b50d902SRodney W. Grimes 
99f1bb2cd2SWarner Losh static void loginlist(void);
100f1bb2cd2SWarner Losh static int option(int, char **);
101f1bb2cd2SWarner Losh static void usage(void);
102f1bb2cd2SWarner Losh static void userlist(int, char **);
1039b50d902SRodney W. Grimes 
1044e030ba6SMark Murray static int
105f4ac32deSDavid Malone option(int argc, char **argv)
1069b50d902SRodney W. Grimes {
1079b50d902SRodney W. Grimes 	int ch;
1089b50d902SRodney W. Grimes 
10959be6088SPaul Traina 	optind = 1;		/* reset getopt */
11086641d8fSPaul Traina 
1113daa8471SHajimu UMEMOTO 	while ((ch = getopt(argc, argv, "46glmpshoT")) != -1)
1129b50d902SRodney W. Grimes 		switch(ch) {
1133daa8471SHajimu UMEMOTO 		case '4':
1143daa8471SHajimu UMEMOTO 			family = AF_INET;
1153daa8471SHajimu UMEMOTO 			break;
1163daa8471SHajimu UMEMOTO 		case '6':
1173daa8471SHajimu UMEMOTO 			family = AF_INET6;
1183daa8471SHajimu UMEMOTO 			break;
1190830bd13SJonathan Mini 		case 'g':
1200830bd13SJonathan Mini 			gflag = 1;
1210830bd13SJonathan Mini 			break;
1229b50d902SRodney W. Grimes 		case 'l':
1239b50d902SRodney W. Grimes 			lflag = 1;		/* long format */
1249b50d902SRodney W. Grimes 			break;
1259b50d902SRodney W. Grimes 		case 'm':
1269b50d902SRodney W. Grimes 			mflag = 1;		/* force exact match of names */
1279b50d902SRodney W. Grimes 			break;
1289b50d902SRodney W. Grimes 		case 'p':
1299b50d902SRodney W. Grimes 			pplan = 1;		/* don't show .plan/.project */
1309b50d902SRodney W. Grimes 			break;
1319b50d902SRodney W. Grimes 		case 's':
1329b50d902SRodney W. Grimes 			sflag = 1;		/* short format */
1339b50d902SRodney W. Grimes 			break;
13486641d8fSPaul Traina 		case 'h':
13586641d8fSPaul Traina 			oflag = 0;		/* remote host info */
13686641d8fSPaul Traina 			break;
13786641d8fSPaul Traina 		case 'o':
13886641d8fSPaul Traina 			oflag = 1;		/* office info */
13986641d8fSPaul Traina 			break;
14003801815SAndras Olah 		case 'T':
14103801815SAndras Olah 			Tflag = 1;		/* disable T/TCP */
14203801815SAndras Olah 			break;
1439b50d902SRodney W. Grimes 		case '?':
1449b50d902SRodney W. Grimes 		default:
145b14d8277SPhilippe Charnier 			usage();
1469b50d902SRodney W. Grimes 		}
14759be6088SPaul Traina 
14859be6088SPaul Traina 	return optind;
14959be6088SPaul Traina }
15059be6088SPaul Traina 
151b14d8277SPhilippe Charnier static void
152f4ac32deSDavid Malone usage(void)
153b14d8277SPhilippe Charnier {
1543daa8471SHajimu UMEMOTO 	(void)fprintf(stderr, "usage: finger [-46lmpshoT] [login ...]\n");
155b14d8277SPhilippe Charnier 	exit(1);
156b14d8277SPhilippe Charnier }
157b14d8277SPhilippe Charnier 
158b14d8277SPhilippe Charnier int
159f4ac32deSDavid Malone main(int argc, char **argv)
16059be6088SPaul Traina {
161b14d8277SPhilippe Charnier 	int envargc, argcnt;
16259be6088SPaul Traina 	char *envargv[3];
163dd5288f3SDavid E. O'Brien 	struct passwd *pw;
1644e030ba6SMark Murray 	static char myname[] = "finger";
165dd5288f3SDavid E. O'Brien 
166dd5288f3SDavid E. O'Brien 	if (getuid() == 0 || geteuid() == 0) {
167dd5288f3SDavid E. O'Brien 		if ((pw = getpwnam(UNPRIV_NAME)) && pw->pw_uid > 0) {
168dd5288f3SDavid E. O'Brien 			 setgid(pw->pw_gid);
169dd5288f3SDavid E. O'Brien 			 setuid(pw->pw_uid);
170dd5288f3SDavid E. O'Brien 		} else {
171dd5288f3SDavid E. O'Brien 			 setgid(UNPRIV_UGID);
172dd5288f3SDavid E. O'Brien 			 setuid(UNPRIV_UGID);
173dd5288f3SDavid E. O'Brien 		}
174dd5288f3SDavid E. O'Brien 	}
17559be6088SPaul Traina 
176d1b2ad1aSAndrey A. Chernov 	(void) setlocale(LC_ALL, "");
177dc675fc2SAndrey A. Chernov 
17859be6088SPaul Traina 				/* remove this line to get remote host */
17959be6088SPaul Traina 	oflag = 1;		/* default to old "office" behavior */
18059be6088SPaul Traina 
18159be6088SPaul Traina 	/*
18259be6088SPaul Traina 	 * Process environment variables followed by command line arguments.
18359be6088SPaul Traina 	 */
18459be6088SPaul Traina 	if ((envargv[1] = getenv("FINGER"))) {
18559be6088SPaul Traina 		envargc = 2;
1864e030ba6SMark Murray 		envargv[0] = myname;
18759be6088SPaul Traina 		envargv[2] = NULL;
18859be6088SPaul Traina 		(void) option(envargc, envargv);
18959be6088SPaul Traina 	}
19059be6088SPaul Traina 
19159be6088SPaul Traina 	argcnt = option(argc, argv);
19259be6088SPaul Traina 	argc -= argcnt;
19359be6088SPaul Traina 	argv += argcnt;
1949b50d902SRodney W. Grimes 
1959b50d902SRodney W. Grimes 	(void)time(&now);
1969b50d902SRodney W. Grimes 	setpassent(1);
1979b50d902SRodney W. Grimes 	if (!*argv) {
1989b50d902SRodney W. Grimes 		/*
1999b50d902SRodney W. Grimes 		 * Assign explicit "small" format if no names given and -l
2009b50d902SRodney W. Grimes 		 * not selected.  Force the -s BEFORE we get names so proper
2019b50d902SRodney W. Grimes 		 * screening will be done.
2029b50d902SRodney W. Grimes 		 */
2039b50d902SRodney W. Grimes 		if (!lflag)
2049b50d902SRodney W. Grimes 			sflag = 1;	/* if -l not explicit, force -s */
2059b50d902SRodney W. Grimes 		loginlist();
2069b50d902SRodney W. Grimes 		if (entries == 0)
2079b50d902SRodney W. Grimes 			(void)printf("No one logged on.\n");
2089b50d902SRodney W. Grimes 	} else {
2099b50d902SRodney W. Grimes 		userlist(argc, argv);
2109b50d902SRodney W. Grimes 		/*
2119b50d902SRodney W. Grimes 		 * Assign explicit "large" format if names given and -s not
2129b50d902SRodney W. Grimes 		 * explicitly stated.  Force the -l AFTER we get names so any
2139b50d902SRodney W. Grimes 		 * remote finger attempts specified won't be mishandled.
2149b50d902SRodney W. Grimes 		 */
2159b50d902SRodney W. Grimes 		if (!sflag)
2169b50d902SRodney W. Grimes 			lflag = 1;	/* if -s not explicit, force -l */
2179b50d902SRodney W. Grimes 	}
2189ef5c48bSBill Fumerola 	if (entries) {
2199b50d902SRodney W. Grimes 		if (lflag)
2209b50d902SRodney W. Grimes 			lflag_print();
2219b50d902SRodney W. Grimes 		else
2229b50d902SRodney W. Grimes 			sflag_print();
2239ef5c48bSBill Fumerola 	}
224df3f5d9dSPeter Wemm 	return (0);
2259b50d902SRodney W. Grimes }
2269b50d902SRodney W. Grimes 
2279b50d902SRodney W. Grimes static void
228f4ac32deSDavid Malone loginlist(void)
2299b50d902SRodney W. Grimes {
2304e030ba6SMark Murray 	PERSON *pn;
2319b50d902SRodney W. Grimes 	DBT data, key;
2329b50d902SRodney W. Grimes 	struct passwd *pw;
2339b50d902SRodney W. Grimes 	struct utmp user;
2344e030ba6SMark Murray 	int r, sflag1;
2359b50d902SRodney W. Grimes 	char name[UT_NAMESIZE + 1];
2369b50d902SRodney W. Grimes 
2379b50d902SRodney W. Grimes 	if (!freopen(_PATH_UTMP, "r", stdin))
238df3f5d9dSPeter Wemm 		err(1, "%s", _PATH_UTMP);
239b14d8277SPhilippe Charnier 	name[UT_NAMESIZE] = '\0';
2409b50d902SRodney W. Grimes 	while (fread((char *)&user, sizeof(user), 1, stdin) == 1) {
2419b50d902SRodney W. Grimes 		if (!user.ut_name[0])
2429b50d902SRodney W. Grimes 			continue;
2439b50d902SRodney W. Grimes 		if ((pn = find_person(user.ut_name)) == NULL) {
2449b50d902SRodney W. Grimes 			bcopy(user.ut_name, name, UT_NAMESIZE);
2459b50d902SRodney W. Grimes 			if ((pw = getpwnam(name)) == NULL)
2469b50d902SRodney W. Grimes 				continue;
2478829c73eSJordan K. Hubbard 			if (hide(pw))
2488829c73eSJordan K. Hubbard 				continue;
2499b50d902SRodney W. Grimes 			pn = enter_person(pw);
2509b50d902SRodney W. Grimes 		}
2519b50d902SRodney W. Grimes 		enter_where(&user, pn);
2529b50d902SRodney W. Grimes 	}
2539b50d902SRodney W. Grimes 	if (db && lflag)
2544e030ba6SMark Murray 		for (sflag1 = R_FIRST;; sflag1 = R_NEXT) {
255df3f5d9dSPeter Wemm 			PERSON *tmp;
256df3f5d9dSPeter Wemm 
2574e030ba6SMark Murray 			r = (*db->seq)(db, &key, &data, sflag1);
2589b50d902SRodney W. Grimes 			if (r == -1)
259df3f5d9dSPeter Wemm 				err(1, "db seq");
2609b50d902SRodney W. Grimes 			if (r == 1)
2619b50d902SRodney W. Grimes 				break;
262df3f5d9dSPeter Wemm 			memmove(&tmp, data.data, sizeof tmp);
263df3f5d9dSPeter Wemm 			enter_lastlog(tmp);
2649b50d902SRodney W. Grimes 		}
2659b50d902SRodney W. Grimes }
2669b50d902SRodney W. Grimes 
2679b50d902SRodney W. Grimes static void
268f4ac32deSDavid Malone userlist(int argc, char **argv)
2699b50d902SRodney W. Grimes {
2704e030ba6SMark Murray 	PERSON *pn;
2719b50d902SRodney W. Grimes 	DBT data, key;
2729b50d902SRodney W. Grimes 	struct utmp user;
2739b50d902SRodney W. Grimes 	struct passwd *pw;
2744e030ba6SMark Murray 	int r, sflag1, *used, *ip;
2759b50d902SRodney W. Grimes 	char **ap, **nargv, **np, **p;
276098c6e87SBrian Somers 	FILE *conf_fp;
277098c6e87SBrian Somers 	char conf_alias[LINE_MAX];
278098c6e87SBrian Somers 	char *conf_realname;
279098c6e87SBrian Somers 	int conf_length;
2809b50d902SRodney W. Grimes 
2819b50d902SRodney W. Grimes 	if ((nargv = malloc((argc+1) * sizeof(char *))) == NULL ||
2829b50d902SRodney W. Grimes 	    (used = calloc(argc, sizeof(int))) == NULL)
283df3f5d9dSPeter Wemm 		err(1, NULL);
2849b50d902SRodney W. Grimes 
2859b50d902SRodney W. Grimes 	/* Pull out all network requests. */
2869b50d902SRodney W. Grimes 	for (ap = p = argv, np = nargv; *p; ++p)
2879b50d902SRodney W. Grimes 		if (index(*p, '@'))
2889b50d902SRodney W. Grimes 			*np++ = *p;
2899b50d902SRodney W. Grimes 		else
2909b50d902SRodney W. Grimes 			*ap++ = *p;
2919b50d902SRodney W. Grimes 
2929b50d902SRodney W. Grimes 	*np++ = NULL;
2939b50d902SRodney W. Grimes 	*ap++ = NULL;
2949b50d902SRodney W. Grimes 
2959b50d902SRodney W. Grimes 	if (!*argv)
2969b50d902SRodney W. Grimes 		goto net;
2979b50d902SRodney W. Grimes 
2989b50d902SRodney W. Grimes 	/*
2997ce8924aSBrian Somers 	 * Mark any arguments beginning with '/' as invalid so that we
3007ce8924aSBrian Somers 	 * don't accidently confuse them with expansions from finger.conf
3017ce8924aSBrian Somers 	 */
3027ce8924aSBrian Somers 	for (p = argv, ip = used; *p; ++p, ++ip)
3037ce8924aSBrian Somers 	    if (**p == '/') {
3047ce8924aSBrian Somers 		*ip = 1;
3057ce8924aSBrian Somers 		warnx("%s: no such user", *p);
3067ce8924aSBrian Somers 	    }
3077ce8924aSBrian Somers 
3087ce8924aSBrian Somers 	/*
309098c6e87SBrian Somers 	 * Traverse the finger alias configuration file of the form
310098c6e87SBrian Somers 	 * alias:(user|alias), ignoring comment lines beginning '#'.
311098c6e87SBrian Somers 	 */
312098c6e87SBrian Somers 	if ((conf_fp = fopen(_PATH_FINGERCONF, "r")) != NULL) {
313098c6e87SBrian Somers 	    while(fgets(conf_alias, sizeof(conf_alias), conf_fp) != NULL) {
314098c6e87SBrian Somers 		conf_length = strlen(conf_alias);
315098c6e87SBrian Somers 		if (*conf_alias == '#' || conf_alias[--conf_length] != '\n')
316098c6e87SBrian Somers 		    continue;
317098c6e87SBrian Somers 		conf_alias[conf_length] = '\0';      /* Remove trailing LF */
318098c6e87SBrian Somers 		if ((conf_realname = strchr(conf_alias, ':')) == NULL)
319098c6e87SBrian Somers 		    continue;
320098c6e87SBrian Somers 		*conf_realname = '\0';               /* Replace : with NUL */
321098c6e87SBrian Somers 		for (p = argv; *p; ++p) {
322098c6e87SBrian Somers 		    if (strcmp(*p, conf_alias) == NULL) {
323098c6e87SBrian Somers 			if ((*p = strdup(conf_realname+1)) == NULL) {
324098c6e87SBrian Somers 			    err(1, NULL);
325098c6e87SBrian Somers 			}
326098c6e87SBrian Somers 		    }
327098c6e87SBrian Somers 		}
328098c6e87SBrian Somers 	    }
329098c6e87SBrian Somers 	    (void)fclose(conf_fp);
330098c6e87SBrian Somers 	}
331098c6e87SBrian Somers 
332098c6e87SBrian Somers 	/*
3339b50d902SRodney W. Grimes 	 * Traverse the list of possible login names and check the login name
334040864acSBrian Somers 	 * and real name against the name specified by the user. If the name
335040864acSBrian Somers 	 * begins with a '/', try to read the file of that name instead of
336040864acSBrian Somers 	 * gathering the traditional finger information.
3379b50d902SRodney W. Grimes 	 */
3389b50d902SRodney W. Grimes 	if (mflag)
3390272ef9bSRuslan Ermilov 		for (p = argv, ip = used; *p; ++p, ++ip) {
3400272ef9bSRuslan Ermilov 			if (**p != '/' || *ip == 1 || !show_text("", *p, "")) {
341df3f5d9dSPeter Wemm 				if (((pw = getpwnam(*p)) != NULL) && !hide(pw))
3429b50d902SRodney W. Grimes 					enter_person(pw);
3430272ef9bSRuslan Ermilov 				else if (!*ip)
344b14d8277SPhilippe Charnier 					warnx("%s: no such user", *p);
345040864acSBrian Somers 			}
346040864acSBrian Somers 		}
3479b50d902SRodney W. Grimes 	else {
3481b57e365SBrian Somers 		while ((pw = getpwent()) != NULL) {
3499b50d902SRodney W. Grimes 			for (p = argv, ip = used; *p; ++p, ++ip)
350040864acSBrian Somers 				if (**p == '/' && *ip != 1
3511b57e365SBrian Somers 				    && show_text("", *p, ""))
352040864acSBrian Somers 					*ip = 1;
3531b57e365SBrian Somers 				else if (match(pw, *p) && !hide(pw)) {
3549b50d902SRodney W. Grimes 					enter_person(pw);
3559b50d902SRodney W. Grimes 					*ip = 1;
3569b50d902SRodney W. Grimes 				}
3578829c73eSJordan K. Hubbard 		}
3589b50d902SRodney W. Grimes 		for (p = argv, ip = used; *p; ++p, ++ip)
3599b50d902SRodney W. Grimes 			if (!*ip)
360b14d8277SPhilippe Charnier 				warnx("%s: no such user", *p);
3619b50d902SRodney W. Grimes 	}
3629b50d902SRodney W. Grimes 
3639b50d902SRodney W. Grimes 	/* Handle network requests. */
364a5af661eSPaul Traina net:	for (p = nargv; *p;) {
3659b50d902SRodney W. Grimes 		netfinger(*p++);
366a5af661eSPaul Traina 		if (*p || entries)
367a5af661eSPaul Traina 		    printf("\n");
368a5af661eSPaul Traina 	}
3699b50d902SRodney W. Grimes 
3709b50d902SRodney W. Grimes 	if (entries == 0)
3719b50d902SRodney W. Grimes 		return;
3729b50d902SRodney W. Grimes 
3739b50d902SRodney W. Grimes 	/*
3749b50d902SRodney W. Grimes 	 * Scan thru the list of users currently logged in, saving
3759b50d902SRodney W. Grimes 	 * appropriate data whenever a match occurs.
3769b50d902SRodney W. Grimes 	 */
3779b50d902SRodney W. Grimes 	if (!freopen(_PATH_UTMP, "r", stdin))
378df3f5d9dSPeter Wemm 		err(1, "%s", _PATH_UTMP);
3799b50d902SRodney W. Grimes 	while (fread((char *)&user, sizeof(user), 1, stdin) == 1) {
3809b50d902SRodney W. Grimes 		if (!user.ut_name[0])
3819b50d902SRodney W. Grimes 			continue;
3829b50d902SRodney W. Grimes 		if ((pn = find_person(user.ut_name)) == NULL)
3839b50d902SRodney W. Grimes 			continue;
3849b50d902SRodney W. Grimes 		enter_where(&user, pn);
3859b50d902SRodney W. Grimes 	}
3869b50d902SRodney W. Grimes 	if (db)
3874e030ba6SMark Murray 		for (sflag1 = R_FIRST;; sflag1 = R_NEXT) {
388df3f5d9dSPeter Wemm 			PERSON *tmp;
389df3f5d9dSPeter Wemm 
3904e030ba6SMark Murray 			r = (*db->seq)(db, &key, &data, sflag1);
3919b50d902SRodney W. Grimes 			if (r == -1)
392df3f5d9dSPeter Wemm 				err(1, "db seq");
3939b50d902SRodney W. Grimes 			if (r == 1)
3949b50d902SRodney W. Grimes 				break;
395df3f5d9dSPeter Wemm 			memmove(&tmp, data.data, sizeof tmp);
396df3f5d9dSPeter Wemm 			enter_lastlog(tmp);
3979b50d902SRodney W. Grimes 		}
3989b50d902SRodney W. Grimes }
399