rusers_simple.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* rusers_simple.c
* These are the "easy to use" interfaces to rusers.
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <string.h>
#include <rpc/rpc.h>
#include <rpcsvc/rusers.h>
#include <stdlib.h>
int
rusers3(host, uap)
char *host;
utmp_array *uap;
{
struct utmpidlearr up;
if (rpc_call(host, RUSERSPROG, RUSERSVERS_3, RUSERSPROC_NAMES,
xdr_void, (char *) NULL,
xdr_utmp_array, (char *) uap, (char *) NULL) != 0) {
/*
* If version 3 isn't available, try version 2. We'll have to
* convert a utmpidlearr structure into a utmp_array.
*/
up.uia_cnt = 0;
up.uia_arr = NULL;
if (rusers(host, &up) != 0)
return (-1);
else {
int i;
struct ru_utmp forsize;
rusers_utmp *rutp;
uap->utmp_array_val = (rusers_utmp *)malloc(up.uia_cnt
* sizeof (rusers_utmp));
if (uap->utmp_array_val == NULL) {
xdr_free(xdr_utmpidlearr, (char *)&up);
return (-1);
}
uap->utmp_array_len = up.uia_cnt;
for (rutp = uap->utmp_array_val, i = 0;
i < up.uia_cnt; rutp++, i++) {
rutp->ut_line = (char *)malloc(sizeof
(forsize.ut_line)+1);
rutp->ut_user = (char *)malloc(sizeof
(forsize.ut_name)+1);
rutp->ut_host = (char *)malloc(sizeof
(forsize.ut_host)+1);
if (rutp->ut_line == NULL ||
rutp->ut_user == NULL ||
rutp->ut_host == NULL) {
while (--rutp >= uap->utmp_array_val) {
free(rutp->ut_line);
free(rutp->ut_user);
free(rutp->ut_host);
}
free(uap->utmp_array_val);
xdr_free(xdr_utmpidlearr, (char *)&up);
return (-1);
}
strncpy(rutp->ut_line,
up.uia_arr[i]->ui_utmp.ut_line,
sizeof (forsize.ut_line)+1);
strncpy(rutp->ut_user,
up.uia_arr[i]->ui_utmp.ut_name,
sizeof (forsize.ut_name)+1);
strncpy(rutp->ut_host,
up.uia_arr[i]->ui_utmp.ut_host,
sizeof (forsize.ut_host)+1);
rutp->ut_idle = up.uia_arr[i]->ui_idle;
rutp->ut_time = up.uia_arr[i]->ui_utmp.ut_time;
rutp->ut_type = RUSERS_USER_PROCESS;
/* assume this */
}
xdr_free(xdr_utmpidlearr, (char *)&up);
}
}
return (0);
}
int
rnusers(host)
char *host;
{
int nusers;
if (rpc_call(host, RUSERSPROG, RUSERSVERS_3, RUSERSPROC_NUM,
xdr_void, (char *) NULL,
xdr_u_int, (char *) &nusers, (char *) NULL) != 0) {
if (rpc_call(host, RUSERSPROG, RUSERSVERS_IDLE, RUSERSPROC_NUM,
xdr_void, (char *) NULL,
xdr_u_int, (char *) &nusers, (char *) NULL) != 0)
return (-1);
}
return (nusers);
}
enum clnt_stat
rusers(host, up)
char *host;
struct utmpidlearr *up;
{
return (rpc_call(host, RUSERSPROG, RUSERSVERS_IDLE, RUSERSPROC_NAMES,
xdr_void, (char *) NULL,
xdr_utmpidlearr, (char *) up, (char *) NULL));
}