2 * Copyright (c) 1993, John Brezak
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * $FreeBSD: src/usr.bin/rusers/rusers.c,v 1.8.2.1 2001/07/02 23:43:05 mikeh Exp $
34 * $DragonFly: src/usr.bin/rusers/rusers.c,v 1.3 2004/07/17 21:10:42 hmp Exp $
37 #include <sys/types.h>
38 #include <sys/socket.h>
40 #include <rpc/pmap_clnt.h>
41 #include <rpcsvc/rnusers.h>
42 #include <arpa/inet.h>
50 #define MAX_INT 0x7fffffff
58 struct host_list
*next
;
63 search_host(struct in_addr addr
)
70 for (hp
= hosts
; hp
!= NULL
; hp
= hp
->next
) {
71 if (hp
->addr
.s_addr
== addr
.s_addr
)
78 remember_host(struct in_addr addr
)
82 if ((hp
= (struct host_list
*)malloc(sizeof(struct host_list
))) == NULL
)
84 hp
->addr
.s_addr
= addr
.s_addr
;
90 rusers_reply(char *replyp
, struct sockaddr_in
*raddrp
)
93 char date
[32], idle_time
[64], remote
[64];
97 int days
, hours
, minutes
, seconds
;
99 if (search_host(raddrp
->sin_addr
))
102 if (!allopt
&& up
->utmpidlearr_len
== 0)
105 hp
= gethostbyaddr((char *)&raddrp
->sin_addr
.s_addr
,
106 sizeof(struct in_addr
), AF_INET
);
110 host
= inet_ntoa(raddrp
->sin_addr
);
113 printf("%-*s ", HOST_WIDTH
, host
);
115 for (x
= 0; x
< up
->utmpidlearr_len
; x
++) {
117 &(ctime((time_t *)&(up
->utmpidlearr_val
[x
].ui_utmp
.ut_time
))[4]),
120 idle
= up
->utmpidlearr_val
[x
].ui_idle
;
121 sprintf(idle_time
, " :%02d", idle
);
123 strcpy(idle_time
, "??");
125 strcpy(idle_time
, "");
128 days
= seconds
/ (60 * 60 * 24);
129 seconds
%= (60 * 60 * 24);
130 hours
= seconds
/ (60 * 60);
131 seconds
%= (60 * 60);
132 minutes
= seconds
/ 60;
135 sprintf(idle_time
, "%d:%02d", minutes
, seconds
);
136 if (idle
>= (60 * 60))
137 sprintf(idle_time
, "%d:%02d:%02d",
138 hours
, minutes
, seconds
);
139 if (idle
>= (24 * 60 * 60))
140 sprintf(idle_time
, "%d days, %d:%02d:%02d",
141 days
, hours
, minutes
, seconds
);
144 strncpy(remote
, up
->utmpidlearr_val
[x
].ui_utmp
.ut_host
,
146 if (strlen(remote
) != 0)
147 sprintf(remote
, "(%.16s)",
148 up
->utmpidlearr_val
[x
].ui_utmp
.ut_host
);
151 printf("%-8.8s %*s:%-*.*s %-12.12s %6s %.18s\n",
152 up
->utmpidlearr_val
[x
].ui_utmp
.ut_name
,
153 HOST_WIDTH
, host
, LINE_WIDTH
, LINE_WIDTH
,
154 up
->utmpidlearr_val
[x
].ui_utmp
.ut_line
, date
,
158 up
->utmpidlearr_val
[x
].ui_utmp
.ut_name
);
163 remember_host(raddrp
->sin_addr
);
172 struct sockaddr_in addr
;
176 hp
= gethostbyname(host
);
178 errx(1, "unknown host \"%s\"", host
);
180 rusers_clnt
= clnt_create(host
, RUSERSPROG
, RUSERSVERS_IDLE
, "udp");
181 if (rusers_clnt
== NULL
)
182 errx(1, "%s", clnt_spcreateerror(""));
184 bzero((char *)&up
, sizeof(up
));
185 tv
.tv_sec
= 15; /* XXX ?? */
187 if (clnt_call(rusers_clnt
, RUSERSPROC_NAMES
, xdr_void
, NULL
,
188 xdr_utmpidlearr
, &up
, tv
) != RPC_SUCCESS
)
189 errx(1, "%s", clnt_sperror(rusers_clnt
, ""));
190 memcpy(&addr
.sin_addr
.s_addr
, hp
->h_addr
, sizeof(addr
.sin_addr
.s_addr
));
191 rusers_reply((char *)&up
, &addr
);
192 clnt_destroy(rusers_clnt
);
199 enum clnt_stat clnt_stat
;
201 bzero((char *)&up
, sizeof(up
));
202 clnt_stat
= clnt_broadcast(RUSERSPROG
, RUSERSVERS_IDLE
,
203 RUSERSPROC_NAMES
, xdr_void
, NULL
, xdr_utmpidlearr
, (char *)&up
,
205 if (clnt_stat
!= RPC_SUCCESS
&& clnt_stat
!= RPC_TIMEDOUT
)
206 errx(1, "%s", clnt_sperrno(clnt_stat
));
213 fprintf(stderr
, "usage: rusers [-la] [hosts ...]\n");
218 main(int argc
, char *argv
[])
222 while ((ch
= getopt(argc
, argv
, "al")) != -1)
239 for (; optind
< argc
; optind
++)
240 (void)onehost(argv
[optind
]);