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

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 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 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ 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, QUIET ENJOYMENT 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	*
07f47057 A	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
b7080c8e A	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
07f47057 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
b7080c8e A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (c) 1983, 1993
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*/
	57
	58
	59	#ifndef lint
	60	static char copyright[] =
	61	"@(#) Copyright (c) 1983, 1993\n\
	62	The Regents of the University of California. All rights reserved.\n";
	63	#endif /* not lint */
	64
	65	#include <sys/param.h>
	66	#include <sys/dir.h>
	67	#include <sys/file.h>
	68	#include <protocols/rwhod.h>
	69	#include <stdio.h>
	70
	71	DIR *dirp;
	72
	73	struct whod wd;
	74	int utmpcmp();
	75	#define NUSERS 1000
	76	struct myutmp {
	77	char myhost[MAXHOSTNAMELEN];
	78	int myidle;
	79	struct outmp myutmp;
	80	} myutmp[NUSERS];
	81	int nusers;
	82
	83	#define WHDRSIZE (sizeof (wd) - sizeof (wd.wd_we))
	84	/*
	85	* this macro should be shared with ruptime.
86	*/
87	#define down(w,now) ((now) - (w)->wd_recvtime > 11 * 60)
88
89	char ctime(), strcpy();
90	time_t now;
91	int aflg;
92
93	main(argc, argv)
94	int argc;
95	char **argv;
96	{
97	extern char *optarg;
98	extern int optind;
99	int ch;
100	struct direct *dp;
101	int cc, width;
102	register struct whod *w = &wd;
103	register struct whoent *we;
104	register struct myutmp *mp;
105	int f, n, i;
106	time_t time();
107
108	while ((ch = getopt(argc, argv, "a")) != EOF)
109	switch((char)ch) {
110	case 'a':
111	aflg = 1;
112	break;
113	case '?':
114	default:
115	fprintf(stderr, "usage: rwho [-a]\n");
116	exit(1);
117	}
118	if (chdir(_PATH_RWHODIR) \|\| (dirp = opendir(".")) == NULL) {
119	perror(_PATH_RWHODIR);
120	exit(1);
121	}
122	mp = myutmp;
123	(void)time(&now);
124	while (dp = readdir(dirp)) {
125	if (dp->d_ino == 0 \|\| strncmp(dp->d_name, "whod.", 5))
126	continue;
127	f = open(dp->d_name, O_RDONLY);
128	if (f < 0)
129	continue;
130	cc = read(f, (char *)&wd, sizeof (struct whod));
131	if (cc < WHDRSIZE) {
132	(void) close(f);
133	continue;
134	}
135	if (down(w,now)) {
136	(void) close(f);
137	continue;
138	}
139	cc -= WHDRSIZE;
140	we = w->wd_we;
141	for (n = cc / sizeof (struct whoent); n > 0; n--) {
142	if (aflg == 0 && we->we_idle >= 60*60) {
143	we++;
144	continue;
145	}
146	if (nusers >= NUSERS) {
147	printf("too many users\n");
148	exit(1);
149	}
150	mp->myutmp = we->we_utmp; mp->myidle = we->we_idle;
151	(void) strcpy(mp->myhost, w->wd_hostname);
152	nusers++; we++; mp++;
153	}
154	(void) close(f);
155	}
156	qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp);
157	mp = myutmp;
158	width = 0;
159	for (i = 0; i < nusers; i++) {
160	int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line);
161	if (j > width)
162	width = j;
163	mp++;
164	}
165	mp = myutmp;
166	for (i = 0; i < nusers; i++) {
167	char buf[BUFSIZ];
168	(void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line);
169	printf("%-8.8s %-*s %.12s",
170	mp->myutmp.out_name,
171	width,
172	buf,
173	ctime((time_t *)&mp->myutmp.out_time)+4);
174	mp->myidle /= 60;
175	if (mp->myidle) {
176	if (aflg) {
177	if (mp->myidle >= 100*60)
178	mp->myidle = 100*60 - 1;
179	if (mp->myidle >= 60)
180	printf(" %2d", mp->myidle / 60);
181	else
182	printf(" ");
183	} else
184	printf(" ");
185	printf(":%02d", mp->myidle % 60);
186	}
187	printf("\n");
188	mp++;
189	}
190	exit(0);
191	}
192
193	utmpcmp(u1, u2)
194	struct myutmp u1, u2;
195	{
196	int rc;
197
198	rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8);
199	if (rc)
200	return (rc);
201	rc = strncmp(u1->myhost, u2->myhost, 8);
202	if (rc)
203	return (rc);
204	return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8));
205	}