[apple/network_cmds.git] / rwho.tproj / rwho.c

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */


#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1983, 1993\n\
	The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#include <sys/param.h>
#include <sys/dir.h>
#include <sys/file.h>
#include <protocols/rwhod.h>
#include <stdio.h>

DIR	*dirp;

struct	whod wd;
int	utmpcmp();
#define	NUSERS	1000
struct	myutmp {
	char	myhost[MAXHOSTNAMELEN];
	int	myidle;
	struct	outmp myutmp;
} myutmp[NUSERS];
int	nusers;

#define	WHDRSIZE	(sizeof (wd) - sizeof (wd.wd_we))
/* 
 * this macro should be shared with ruptime.
 */
#define	down(w,now)	((now) - (w)->wd_recvtime > 11 * 60)

char	*ctime(), *strcpy();
time_t	now;
int	aflg;

main(argc, argv)
	int argc;
	char **argv;
{
	extern char *optarg;
	extern int optind;
	int ch;
	struct direct *dp;
	int cc, width;
	register struct whod *w = &wd;
	register struct whoent *we;
	register struct myutmp *mp;
	int f, n, i;
	time_t time();

	while ((ch = getopt(argc, argv, "a")) != EOF)
		switch((char)ch) {
		case 'a':
			aflg = 1;
			break;
		case '?':
		default:
			fprintf(stderr, "usage: rwho [-a]\n");
			exit(1);
		}
	if (chdir(_PATH_RWHODIR) || (dirp = opendir(".")) == NULL) {
		perror(_PATH_RWHODIR);
		exit(1);
	}
	mp = myutmp;
	(void)time(&now);
	while (dp = readdir(dirp)) {
		if (dp->d_ino == 0 || strncmp(dp->d_name, "whod.", 5))
			continue;
		f = open(dp->d_name, O_RDONLY);
		if (f < 0)
			continue;
		cc = read(f, (char *)&wd, sizeof (struct whod));
		if (cc < WHDRSIZE) {
			(void) close(f);
			continue;
		}
		if (down(w,now)) {
			(void) close(f);
			continue;
		}
		cc -= WHDRSIZE;
		we = w->wd_we;
		for (n = cc / sizeof (struct whoent); n > 0; n--) {
			if (aflg == 0 && we->we_idle >= 60*60) {
				we++;
				continue;
			}
			if (nusers >= NUSERS) {
				printf("too many users\n");
				exit(1);
			}
			mp->myutmp = we->we_utmp; mp->myidle = we->we_idle;
			(void) strcpy(mp->myhost, w->wd_hostname);
			nusers++; we++; mp++;
		}
		(void) close(f);
	}
	qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp);
	mp = myutmp;
	width = 0;
	for (i = 0; i < nusers; i++) {
		int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line);
		if (j > width)
			width = j;
		mp++;
	}
	mp = myutmp;
	for (i = 0; i < nusers; i++) {
		char buf[BUFSIZ];
		(void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line);
		printf("%-8.8s %-*s %.12s",
		   mp->myutmp.out_name,
		   width,
		   buf,
		   ctime((time_t *)&mp->myutmp.out_time)+4);
		mp->myidle /= 60;
		if (mp->myidle) {
			if (aflg) {
				if (mp->myidle >= 100*60)
					mp->myidle = 100*60 - 1;
				if (mp->myidle >= 60)
					printf(" %2d", mp->myidle / 60);
				else
					printf("   ");
			} else
				printf(" ");
			printf(":%02d", mp->myidle % 60);
		}
		printf("\n");
		mp++;
	}
	exit(0);
}

utmpcmp(u1, u2)
	struct myutmp *u1, *u2;
{
	int rc;

	rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8);
	if (rc)
		return (rc);
	rc = strncmp(u1->myhost, u2->myhost, 8);
	if (rc)
		return (rc);
	return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8));
}
Commit	Line	Data
b7080c8e A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
921c0aec A	6	* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.0 (the 'License'). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
b7080c8e A	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
921c0aec A	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License."
b7080c8e A	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*
	25	* Copyright (c) 1983, 1993
	26	* The Regents of the University of California. All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that the following conditions
	30	* are met:
	31	* 1. Redistributions of source code must retain the above copyright
	32	* notice, this list of conditions and the following disclaimer.
	33	* 2. Redistributions in binary form must reproduce the above copyright
	34	* notice, this list of conditions and the following disclaimer in the
	35	* documentation and/or other materials provided with the distribution.
	36	* 3. All advertising materials mentioning features or use of this software
	37	* must display the following acknowledgement:
	38	* This product includes software developed by the University of
	39	* California, Berkeley and its contributors.
	40	* 4. Neither the name of the University nor the names of its contributors
	41	* may be used to endorse or promote products derived from this software
	42	* without specific prior written permission.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	45	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	47	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	50	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	51	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	52	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	53	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*/
	56
	57
	58	#ifndef lint
	59	static char copyright[] =
	60	"@(#) Copyright (c) 1983, 1993\n\
	61	The Regents of the University of California. All rights reserved.\n";
	62	#endif /* not lint */
	63
	64	#include <sys/param.h>
	65	#include <sys/dir.h>
	66	#include <sys/file.h>
	67	#include <protocols/rwhod.h>
	68	#include <stdio.h>
	69
	70	DIR *dirp;
	71
	72	struct whod wd;
	73	int utmpcmp();
	74	#define NUSERS 1000
	75	struct myutmp {
	76	char myhost[MAXHOSTNAMELEN];
	77	int myidle;
	78	struct outmp myutmp;
	79	} myutmp[NUSERS];
	80	int nusers;
	81
	82	#define WHDRSIZE (sizeof (wd) - sizeof (wd.wd_we))
	83	/*
	84	* this macro should be shared with ruptime.
85	*/
86	#define down(w,now) ((now) - (w)->wd_recvtime > 11 * 60)
87
88	char ctime(), strcpy();
89	time_t now;
90	int aflg;
91
92	main(argc, argv)
93	int argc;
94	char **argv;
95	{
96	extern char *optarg;
97	extern int optind;
98	int ch;
99	struct direct *dp;
100	int cc, width;
101	register struct whod *w = &wd;
102	register struct whoent *we;
103	register struct myutmp *mp;
104	int f, n, i;
105	time_t time();
106
107	while ((ch = getopt(argc, argv, "a")) != EOF)
108	switch((char)ch) {
109	case 'a':
110	aflg = 1;
111	break;
112	case '?':
113	default:
114	fprintf(stderr, "usage: rwho [-a]\n");
115	exit(1);
116	}
117	if (chdir(_PATH_RWHODIR) \|\| (dirp = opendir(".")) == NULL) {
118	perror(_PATH_RWHODIR);
119	exit(1);
120	}
121	mp = myutmp;
122	(void)time(&now);
123	while (dp = readdir(dirp)) {
124	if (dp->d_ino == 0 \|\| strncmp(dp->d_name, "whod.", 5))
125	continue;
126	f = open(dp->d_name, O_RDONLY);
127	if (f < 0)
128	continue;
129	cc = read(f, (char *)&wd, sizeof (struct whod));
130	if (cc < WHDRSIZE) {
131	(void) close(f);
132	continue;
133	}
134	if (down(w,now)) {
135	(void) close(f);
136	continue;
137	}
138	cc -= WHDRSIZE;
139	we = w->wd_we;
140	for (n = cc / sizeof (struct whoent); n > 0; n--) {
141	if (aflg == 0 && we->we_idle >= 60*60) {
142	we++;
143	continue;
144	}
145	if (nusers >= NUSERS) {
146	printf("too many users\n");
147	exit(1);
148	}
149	mp->myutmp = we->we_utmp; mp->myidle = we->we_idle;
150	(void) strcpy(mp->myhost, w->wd_hostname);
151	nusers++; we++; mp++;
152	}
153	(void) close(f);
154	}
155	qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp);
156	mp = myutmp;
157	width = 0;
158	for (i = 0; i < nusers; i++) {
159	int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line);
160	if (j > width)
161	width = j;
162	mp++;
163	}
164	mp = myutmp;
165	for (i = 0; i < nusers; i++) {
166	char buf[BUFSIZ];
167	(void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line);
168	printf("%-8.8s %-*s %.12s",
169	mp->myutmp.out_name,
170	width,
171	buf,
172	ctime((time_t *)&mp->myutmp.out_time)+4);
173	mp->myidle /= 60;
174	if (mp->myidle) {
175	if (aflg) {
176	if (mp->myidle >= 100*60)
177	mp->myidle = 100*60 - 1;
178	if (mp->myidle >= 60)
179	printf(" %2d", mp->myidle / 60);
180	else
181	printf(" ");
182	} else
183	printf(" ");
184	printf(":%02d", mp->myidle % 60);
185	}
186	printf("\n");
187	mp++;
188	}
189	exit(0);
190	}
191
192	utmpcmp(u1, u2)
193	struct myutmp u1, u2;
194	{
195	int rc;
196
197	rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8);
198	if (rc)
199	return (rc);
200	rc = strncmp(u1->myhost, u2->myhost, 8);
201	if (rc)
202	return (rc);
203	return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8));
204	}