[unix-history] / libexec / rpc.rusersd / rusers_proc.c

/*-
 * Copyright (c) 1993, John Brezak
 * 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 rcsid[] = "$Id: rusers_proc.c,v 1.1 1993/09/16 00:34:46 jtc Exp $";
#endif /* not lint */

#include <signal.h>
#include <sys/types.h>
#include <sys/time.h>
#include <utmp.h>
#include <stdio.h>
#include <syslog.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/param.h>
#include <sys/stat.h>
#ifdef XIDLE
#include <setjmp.h>
#include <X11/Xlib.h>
#include <X11/extensions/xidle.h>
#endif
#define utmp rutmp
#include <rpcsvc/rnusers.h>
#undef utmp

#define	IGNOREUSER	"sleeper"

#ifdef OSF
#define _PATH_UTMP UTMP_FILE
#endif

#ifndef _PATH_UTMP
#define _PATH_UTMP "/etc/utmp"
#endif

#ifndef _PATH_DEV
#define _PATH_DEV "/dev"
#endif

#ifndef UT_LINESIZE
#define UT_LINESIZE sizeof(((struct utmp *)0)->ut_line)
#endif
#ifndef UT_NAMESIZE
#define UT_NAMESIZE sizeof(((struct utmp *)0)->ut_name)
#endif
#ifndef UT_HOSTSIZE
#define UT_HOSTSIZE sizeof(((struct utmp *)0)->ut_host)
#endif

typedef char ut_line_t[UT_LINESIZE+1];
typedef char ut_name_t[UT_NAMESIZE+1];
typedef char ut_host_t[UT_HOSTSIZE+1];

utmpidle utmp_idle[MAXUSERS];
rutmp old_utmp[MAXUSERS];
ut_line_t line[MAXUSERS];
ut_name_t name[MAXUSERS];
ut_host_t host[MAXUSERS];

extern int from_inetd;

FILE *ufp;

#ifdef XIDLE
Display *dpy;

static jmp_buf openAbort;

static void
abortOpen ()
{
    longjmp (openAbort, 1);
}

XqueryIdle(char *display)
{
        int first_event, first_error;
        Time IdleTime;

        (void) signal (SIGALRM, abortOpen);
        (void) alarm ((unsigned) 10);
        if (!setjmp (openAbort)) {
                if (!(dpy= XOpenDisplay(display))) {
                        syslog(LOG_ERR, "Cannot open display %s", display);
                        return(-1);
                }
                if (XidleQueryExtension(dpy, &first_event, &first_error)) {
                        if (!XGetIdleTime(dpy, &IdleTime)) {
                                syslog(LOG_ERR, "%s: Unable to get idle time.", display);
                                return(-1);
                        }
                }
                else {
                        syslog(LOG_ERR, "%s: Xidle extension not loaded.", display);
                        return(-1);
                }
                XCloseDisplay(dpy);
        }
        else {
                syslog(LOG_ERR, "%s: Server grabbed for over 10 seconds.", display);
                return(-1);
        }
        (void) signal (SIGALRM, SIG_DFL);
        (void) alarm ((unsigned) 0);

        IdleTime /= 1000;
        return((IdleTime + 30) / 60);
}
#endif

static u_int
getidle(char *tty, char *display)
{
        struct stat st;
        char devname[PATH_MAX];
        time_t now;
        u_long idle;
        
        /*
         * If this is an X terminal or console, then try the
         * XIdle extension
         */
#ifdef XIDLE
        if (display && *display && (idle = XqueryIdle(display)) >= 0)
                return(idle);
#endif
        idle = 0;
        if (*tty == 'X') {
                u_long kbd_idle, mouse_idle;
#if	!defined(__386BSD__)
                kbd_idle = getidle("kbd", NULL);
#else
                kbd_idle = getidle("vga", NULL);
#endif
                mouse_idle = getidle("mouse", NULL);
                idle = (kbd_idle < mouse_idle)?kbd_idle:mouse_idle;
        }
        else {
                sprintf(devname, "%s/%s", _PATH_DEV, tty);
                if (stat(devname, &st) < 0) {
#ifdef DEBUG
                        printf("%s: %s\n", devname, strerror(errno));
#endif
                        return(-1);
                }
                time(&now);
#ifdef DEBUG
                printf("%s: now=%d atime=%d\n", devname, now,
                       st.st_atime);
#endif
                idle = now - st.st_atime;
                idle = (idle + 30) / 60; /* secs->mins */
        }
        if (idle < 0) idle = 0;

        return(idle);
}
        
static utmpidlearr *
do_names_2(int all)
{
        static utmpidlearr ut;
	struct utmp usr;
        int nusers = 0;
        
        bzero((char *)&ut, sizeof(ut));
        ut.utmpidlearr_val = &utmp_idle[0];
        
	ufp = fopen(_PATH_UTMP, "r");
        if (!ufp) {
                syslog(LOG_ERR, "%m");
                return(&ut);
        }

        /* only entries with both name and line fields */
        while (fread((char *)&usr, sizeof(usr), 1, ufp) == 1 &&
               nusers < MAXUSERS)
                if (*usr.ut_name && *usr.ut_line &&
		    strncmp(usr.ut_name, IGNOREUSER,
                            sizeof(usr.ut_name))
#ifdef OSF
                    && usr.ut_type == USER_PROCESS
#endif
                    ) {
                        utmp_idle[nusers].ui_utmp.ut_time =
                                usr.ut_time;
                        utmp_idle[nusers].ui_idle =
                                getidle(usr.ut_line, usr.ut_host);
                        utmp_idle[nusers].ui_utmp.ut_line = line[nusers];
                        strncpy(line[nusers], usr.ut_line, UT_LINESIZE);
                        utmp_idle[nusers].ui_utmp.ut_name = name[nusers];
                        strncpy(name[nusers], usr.ut_name, UT_NAMESIZE);
                        utmp_idle[nusers].ui_utmp.ut_host = host[nusers];
                        strncpy(host[nusers], usr.ut_host, UT_HOSTSIZE);
			
			/* Make sure entries are NUL terminated */
			line[nusers][UT_LINESIZE] = 
			name[nusers][UT_NAMESIZE] = 
			host[nusers][UT_HOSTSIZE] = '\0';
                        nusers++;
                }

        ut.utmpidlearr_len = nusers;
        fclose(ufp);
        return(&ut);
}

int *
rusers_num()
{
        int num_users = 0;
	struct utmp usr;

        ufp = fopen(_PATH_UTMP, "r");
        if (!ufp) {
                syslog(LOG_ERR, "%m");
                return(0);
        }

        /* only entries with both name and line fields */
        while (fread((char *)&usr, sizeof(usr), 1, ufp) == 1)
                if (*usr.ut_name && *usr.ut_line &&
		    strncmp(usr.ut_name, IGNOREUSER,
                            sizeof(usr.ut_name))
#ifdef OSF
                    && usr.ut_type == USER_PROCESS
#endif
                    ) {
                        num_users++;
                }

        fclose(ufp);
        return(&num_users);
}

static utmparr *
do_names_1(int all)
{
        utmpidlearr *utidle;
        utmparr ut;
        int i;
        
        bzero((char *)&ut, sizeof(ut));
        
        utidle = do_names_2(all);
        if (utidle) {
                ut.utmparr_len = utidle->utmpidlearr_len;
                ut.utmparr_val = &old_utmp[0];
                for (i = 0; i < ut.utmparr_len; i++)
                        bcopy(&utmp_idle[i].ui_utmp, &old_utmp[i],
                              sizeof(old_utmp[0]));
                
        }
        
        return(&ut);
}

utmpidlearr *
rusersproc_names_2()
{
        return(do_names_2(0));
}

utmpidlearr *
rusersproc_allnames_2()
{
        return(do_names_2(1));
}

utmparr *
rusersproc_names_1()
{
        return(do_names_1(0));
}

utmparr *
rusersproc_allnames_1()
{
        return(do_names_1(1));
}

void
rusers_service(rqstp, transp)
	struct svc_req *rqstp;
	SVCXPRT *transp;
{
	union {
		int fill;
	} argument;
	char *result;
	bool_t (*xdr_argument)(), (*xdr_result)();
	char *(*local)();

	switch (rqstp->rq_proc) {
	case NULLPROC:
		(void)svc_sendreply(transp, xdr_void, (char *)NULL);
		goto leave;

	case RUSERSPROC_NUM:
		xdr_argument = xdr_void;
		xdr_result = xdr_int;
                local = (char *(*)()) rusers_num;
		break;

	case RUSERSPROC_NAMES:
		xdr_argument = xdr_void;
		xdr_result = xdr_utmpidlearr;
                switch (rqstp->rq_vers) {
                case RUSERSVERS_ORIG:
                        local = (char *(*)()) rusersproc_names_1;
                        break;
                case RUSERSVERS_IDLE:
                        local = (char *(*)()) rusersproc_names_2;
                        break;
                default:
                        svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
                        goto leave;
                        /*NOTREACHED*/
                }
		break;

	case RUSERSPROC_ALLNAMES:
		xdr_argument = xdr_void;
		xdr_result = xdr_utmpidlearr;
                switch (rqstp->rq_vers) {
                case RUSERSVERS_ORIG:
                        local = (char *(*)()) rusersproc_allnames_1;
                        break;
                case RUSERSVERS_IDLE:
                        local = (char *(*)()) rusersproc_allnames_2;
                        break;
                default:
                        svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
                        goto leave;
                        /*NOTREACHED*/
                }
		break;

	default:
		svcerr_noproc(transp);
		goto leave;
	}
	bzero((char *)&argument, sizeof(argument));
	if (!svc_getargs(transp, xdr_argument, &argument)) {
		svcerr_decode(transp);
		goto leave;
	}
	result = (*local)(&argument, rqstp);
	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
		svcerr_systemerr(transp);
	}
	if (!svc_freeargs(transp, xdr_argument, &argument)) {
		(void)fprintf(stderr, "unable to free arguments\n");
		exit(1);
	}
leave:
        if (from_inetd)
                exit(0);
}
Commit	Line	Data
69582008 C	1	/*-
	2	* Copyright (c) 1993, John Brezak
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*/
	33
	34	#ifndef lint
79a14d86	35	static char rcsid[] = "$Id: rusers_proc.c,v 1.1 1993/09/16 00:34:46 jtc Exp $";
69582008 C	36	#endif /* not lint */
	37
	38	#include <signal.h>
	39	#include <sys/types.h>
	40	#include <sys/time.h>
	41	#include <utmp.h>
	42	#include <stdio.h>
	43	#include <syslog.h>
	44	#include <rpc/rpc.h>
	45	#include <sys/socket.h>
	46	#include <sys/param.h>
	47	#include <sys/stat.h>
	48	#ifdef XIDLE
	49	#include <setjmp.h>
	50	#include <X11/Xlib.h>
	51	#include <X11/extensions/xidle.h>
	52	#endif
	53	#define utmp rutmp
	54	#include <rpcsvc/rnusers.h>
	55	#undef utmp
	56
	57	#define IGNOREUSER "sleeper"
	58
	59	#ifdef OSF
	60	#define _PATH_UTMP UTMP_FILE
	61	#endif
	62
	63	#ifndef _PATH_UTMP
	64	#define _PATH_UTMP "/etc/utmp"
	65	#endif
	66
	67	#ifndef _PATH_DEV
	68	#define _PATH_DEV "/dev"
	69	#endif
	70
	71	#ifndef UT_LINESIZE
	72	#define UT_LINESIZE sizeof(((struct utmp *)0)->ut_line)
	73	#endif
	74	#ifndef UT_NAMESIZE
	75	#define UT_NAMESIZE sizeof(((struct utmp *)0)->ut_name)
	76	#endif
	77	#ifndef UT_HOSTSIZE
	78	#define UT_HOSTSIZE sizeof(((struct utmp *)0)->ut_host)
	79	#endif
	80
79a14d86 JH	81	typedef char ut_line_t[UT_LINESIZE+1];
	82	typedef char ut_name_t[UT_NAMESIZE+1];
	83	typedef char ut_host_t[UT_HOSTSIZE+1];
69582008 C	84
	85	utmpidle utmp_idle[MAXUSERS];
	86	rutmp old_utmp[MAXUSERS];
	87	ut_line_t line[MAXUSERS];
	88	ut_name_t name[MAXUSERS];
	89	ut_host_t host[MAXUSERS];
	90
	91	extern int from_inetd;
	92
	93	FILE *ufp;
	94
	95	#ifdef XIDLE
	96	Display *dpy;
	97
	98	static jmp_buf openAbort;
	99
	100	static void
	101	abortOpen ()
	102	{
	103	longjmp (openAbort, 1);
	104	}
	105
	106	XqueryIdle(char *display)
	107	{
	108	int first_event, first_error;
	109	Time IdleTime;
	110
	111	(void) signal (SIGALRM, abortOpen);
	112	(void) alarm ((unsigned) 10);
	113	if (!setjmp (openAbort)) {
	114	if (!(dpy= XOpenDisplay(display))) {
	115	syslog(LOG_ERR, "Cannot open display %s", display);
	116	return(-1);
	117	}
	118	if (XidleQueryExtension(dpy, &first_event, &first_error)) {
	119	if (!XGetIdleTime(dpy, &IdleTime)) {
	120	syslog(LOG_ERR, "%s: Unable to get idle time.", display);
	121	return(-1);
	122	}
	123	}
	124	else {
	125	syslog(LOG_ERR, "%s: Xidle extension not loaded.", display);
	126	return(-1);
	127	}
	128	XCloseDisplay(dpy);
	129	}
	130	else {
	131	syslog(LOG_ERR, "%s: Server grabbed for over 10 seconds.", display);
	132	return(-1);
	133	}
	134	(void) signal (SIGALRM, SIG_DFL);
	135	(void) alarm ((unsigned) 0);
	136
	137	IdleTime /= 1000;
	138	return((IdleTime + 30) / 60);
	139	}
	140	#endif
	141
	142	static u_int
	143	getidle(char tty, char display)
	144	{
	145	struct stat st;
	146	char devname[PATH_MAX];
	147	time_t now;
148	u_long idle;
149
150	/*
151	* If this is an X terminal or console, then try the
152	* XIdle extension
153	*/
154	#ifdef XIDLE
155	if (display && *display && (idle = XqueryIdle(display)) >= 0)
156	return(idle);
157	#endif
158	idle = 0;
159	if (*tty == 'X') {
160	u_long kbd_idle, mouse_idle;
161	#if !defined(__386BSD__)
162	kbd_idle = getidle("kbd", NULL);
163	#else
164	kbd_idle = getidle("vga", NULL);
165	#endif
166	mouse_idle = getidle("mouse", NULL);
167	idle = (kbd_idle < mouse_idle)?kbd_idle:mouse_idle;
168	}
169	else {
170	sprintf(devname, "%s/%s", _PATH_DEV, tty);
171	if (stat(devname, &st) < 0) {
172	#ifdef DEBUG
173	printf("%s: %s\n", devname, strerror(errno));
174	#endif
175	return(-1);
176	}
177	time(&now);
178	#ifdef DEBUG
179	printf("%s: now=%d atime=%d\n", devname, now,
180	st.st_atime);
181	#endif
182	idle = now - st.st_atime;
183	idle = (idle + 30) / 60; /* secs->mins */
184	}
185	if (idle < 0) idle = 0;
186
187	return(idle);
188	}
189
190	static utmpidlearr *
191	do_names_2(int all)
192	{
193	static utmpidlearr ut;
194	struct utmp usr;
195	int nusers = 0;
196
197	bzero((char *)&ut, sizeof(ut));
198	ut.utmpidlearr_val = &utmp_idle[0];
199
200	ufp = fopen(_PATH_UTMP, "r");
201	if (!ufp) {
202	syslog(LOG_ERR, "%m");
203	return(&ut);
204	}
205
206	/* only entries with both name and line fields */
207	while (fread((char *)&usr, sizeof(usr), 1, ufp) == 1 &&
208	nusers < MAXUSERS)
209	if (usr.ut_name && usr.ut_line &&
210	strncmp(usr.ut_name, IGNOREUSER,
211	sizeof(usr.ut_name))
212	#ifdef OSF
213	&& usr.ut_type == USER_PROCESS
214	#endif
215	) {
216	utmp_idle[nusers].ui_utmp.ut_time =
217	usr.ut_time;
218	utmp_idle[nusers].ui_idle =
219	getidle(usr.ut_line, usr.ut_host);
220	utmp_idle[nusers].ui_utmp.ut_line = line[nusers];
79a14d86	221	strncpy(line[nusers], usr.ut_line, UT_LINESIZE);
69582008	222	utmp_idle[nusers].ui_utmp.ut_name = name[nusers];
79a14d86	223	strncpy(name[nusers], usr.ut_name, UT_NAMESIZE);
69582008	224	utmp_idle[nusers].ui_utmp.ut_host = host[nusers];
79a14d86 JH	225	strncpy(host[nusers], usr.ut_host, UT_HOSTSIZE);
	226
	227	/* Make sure entries are NUL terminated */
	228	line[nusers][UT_LINESIZE] =
	229	name[nusers][UT_NAMESIZE] =
	230	host[nusers][UT_HOSTSIZE] = '\0';
69582008 C	231	nusers++;
	232	}
	233
	234	ut.utmpidlearr_len = nusers;
	235	fclose(ufp);
	236	return(&ut);
	237	}
	238
	239	int *
	240	rusers_num()
	241	{
	242	int num_users = 0;
	243	struct utmp usr;
	244
	245	ufp = fopen(_PATH_UTMP, "r");
	246	if (!ufp) {
	247	syslog(LOG_ERR, "%m");
	248	return(0);
	249	}
	250
	251	/* only entries with both name and line fields */
	252	while (fread((char *)&usr, sizeof(usr), 1, ufp) == 1)
	253	if (usr.ut_name && usr.ut_line &&
	254	strncmp(usr.ut_name, IGNOREUSER,
	255	sizeof(usr.ut_name))
	256	#ifdef OSF
	257	&& usr.ut_type == USER_PROCESS
	258	#endif
	259	) {
	260	num_users++;
	261	}
	262
	263	fclose(ufp);
	264	return(&num_users);
	265	}
	266
	267	static utmparr *
	268	do_names_1(int all)
	269	{
	270	utmpidlearr *utidle;
	271	utmparr ut;
	272	int i;
	273
	274	bzero((char *)&ut, sizeof(ut));
	275
	276	utidle = do_names_2(all);
	277	if (utidle) {
	278	ut.utmparr_len = utidle->utmpidlearr_len;
	279	ut.utmparr_val = &old_utmp[0];
	280	for (i = 0; i < ut.utmparr_len; i++)
	281	bcopy(&utmp_idle[i].ui_utmp, &old_utmp[i],
	282	sizeof(old_utmp[0]));
	283
	284	}
	285
	286	return(&ut);
	287	}
	288
	289	utmpidlearr *
	290	rusersproc_names_2()
	291	{
	292	return(do_names_2(0));
	293	}
	294
295	utmpidlearr *
296	rusersproc_allnames_2()
297	{
298	return(do_names_2(1));
299	}
300
301	utmparr *
302	rusersproc_names_1()
303	{
304	return(do_names_1(0));
305	}
306
307	utmparr *
308	rusersproc_allnames_1()
309	{
310	return(do_names_1(1));
311	}
312
313	void
314	rusers_service(rqstp, transp)
315	struct svc_req *rqstp;
316	SVCXPRT *transp;
317	{
318	union {
319	int fill;
320	} argument;
321	char *result;
322	bool_t (xdr_argument)(), (xdr_result)();
323	char (local)();
324
325	switch (rqstp->rq_proc) {
326	case NULLPROC:
327	(void)svc_sendreply(transp, xdr_void, (char *)NULL);
328	goto leave;
329
330	case RUSERSPROC_NUM:
331	xdr_argument = xdr_void;
332	xdr_result = xdr_int;
333	local = (char ()()) rusers_num;
334	break;
335
336	case RUSERSPROC_NAMES:
337	xdr_argument = xdr_void;
338	xdr_result = xdr_utmpidlearr;
339	switch (rqstp->rq_vers) {
340	case RUSERSVERS_ORIG:
341	local = (char ()()) rusersproc_names_1;
342	break;
343	case RUSERSVERS_IDLE:
344	local = (char ()()) rusersproc_names_2;
345	break;
346	default:
347	svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
348	goto leave;
349	/NOTREACHED/
350	}
351	break;
352
353	case RUSERSPROC_ALLNAMES:
354	xdr_argument = xdr_void;
355	xdr_result = xdr_utmpidlearr;
356	switch (rqstp->rq_vers) {
357	case RUSERSVERS_ORIG:
358	local = (char ()()) rusersproc_allnames_1;
359	break;
360	case RUSERSVERS_IDLE:
361	local = (char ()()) rusersproc_allnames_2;
362	break;
363	default:
364	svcerr_progvers(transp, RUSERSVERS_ORIG, RUSERSVERS_IDLE);
365	goto leave;
366	/NOTREACHED/
367	}
368	break;
369
370	default:
371	svcerr_noproc(transp);
372	goto leave;
373	}
374	bzero((char *)&argument, sizeof(argument));
375	if (!svc_getargs(transp, xdr_argument, &argument)) {
376	svcerr_decode(transp);
377	goto leave;
378	}
379	result = (*local)(&argument, rqstp);
380	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
381	svcerr_systemerr(transp);
382	}
383	if (!svc_freeargs(transp, xdr_argument, &argument)) {
384	(void)fprintf(stderr, "unable to free arguments\n");
385	exit(1);
386	}
387	leave:
388	if (from_inetd)
389	exit(0);
390	}