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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $FreeBSD: src/usr.bin/rusers/rusers.c,v 1.17 2005/05/21 09:55:08 ru Exp $
30 * $DragonFly: src/usr.bin/rusers/rusers.c,v 1.4 2008/10/16 01:52:33 swildner Exp $
33 #include <sys/types.h>
34 #include <sys/socket.h>
37 #include <rpc/pmap_clnt.h>
38 #include <rpcsvc/rnusers.h>
40 #include <arpa/inet.h>
49 #define MAX_INT 0x7fffffff
57 struct host_list
*next
;
62 search_host(struct in_addr addr
)
69 for (hp
= hosts
; hp
!= NULL
; hp
= hp
->next
) {
70 if (hp
->addr
.s_addr
== addr
.s_addr
)
77 remember_host(struct in_addr addr
)
81 if ((hp
= (struct host_list
*)malloc(sizeof(struct host_list
))) == NULL
)
83 hp
->addr
.s_addr
= addr
.s_addr
;
89 rusers_reply(caddr_t replyp
, struct sockaddr_in
*raddrp
)
93 char date
[32], idle_time
[64], remote
[64];
97 int days
, hours
, minutes
, seconds
;
100 memcpy(up
, replyp
, sizeof(*up
));
101 if (search_host(raddrp
->sin_addr
))
104 if (!allopt
&& up
->utmpidlearr_len
== 0)
107 hp
= gethostbyaddr(&raddrp
->sin_addr
.s_addr
, sizeof(struct in_addr
),
112 host
= inet_ntoa(raddrp
->sin_addr
);
115 printf("%-*s ", HOST_WIDTH
, host
);
117 for (x
= 0; x
< up
->utmpidlearr_len
; x
++) {
119 &(ctime((time_t *)&(up
->utmpidlearr_val
[x
].ui_utmp
.ut_time
))[4]),
122 idle
= up
->utmpidlearr_val
[x
].ui_idle
;
123 sprintf(idle_time
, " :%02d", idle
);
125 strcpy(idle_time
, "??");
127 strcpy(idle_time
, "");
130 days
= seconds
/ (60 * 60 * 24);
131 seconds
%= (60 * 60 * 24);
132 hours
= seconds
/ (60 * 60);
133 seconds
%= (60 * 60);
134 minutes
= seconds
/ 60;
137 sprintf(idle_time
, "%d:%02d", minutes
, seconds
);
138 if (idle
>= (60 * 60))
139 sprintf(idle_time
, "%d:%02d:%02d",
140 hours
, minutes
, seconds
);
141 if (idle
>= (24 * 60 * 60))
142 sprintf(idle_time
, "%d days, %d:%02d:%02d",
143 days
, hours
, minutes
, seconds
);
146 strncpy(remote
, up
->utmpidlearr_val
[x
].ui_utmp
.ut_host
,
148 if (strlen(remote
) != 0)
149 sprintf(remote
, "(%.16s)",
150 up
->utmpidlearr_val
[x
].ui_utmp
.ut_host
);
153 printf("%-8.8s %*s:%-*.*s %-12.12s %6s %.18s\n",
154 up
->utmpidlearr_val
[x
].ui_utmp
.ut_name
,
155 HOST_WIDTH
, host
, LINE_WIDTH
, LINE_WIDTH
,
156 up
->utmpidlearr_val
[x
].ui_utmp
.ut_line
, date
,
160 up
->utmpidlearr_val
[x
].ui_utmp
.ut_name
);
165 remember_host(raddrp
->sin_addr
);
174 struct sockaddr_in addr
;
178 hp
= gethostbyname(host
);
180 errx(1, "unknown host \"%s\"", host
);
182 rusers_clnt
= clnt_create(host
, RUSERSPROG
, RUSERSVERS_IDLE
, "udp");
183 if (rusers_clnt
== NULL
)
184 errx(1, "%s", clnt_spcreateerror(""));
186 bzero((char *)&up
, sizeof(up
));
187 tv
.tv_sec
= 15; /* XXX ?? */
189 if (clnt_call(rusers_clnt
, RUSERSPROC_NAMES
, (xdrproc_t
)xdr_void
, NULL
,
190 (xdrproc_t
)xdr_utmpidlearr
, &up
, tv
) != RPC_SUCCESS
)
191 errx(1, "%s", clnt_sperror(rusers_clnt
, ""));
192 memcpy(&addr
.sin_addr
.s_addr
, hp
->h_addr
, sizeof(addr
.sin_addr
.s_addr
));
193 rusers_reply((caddr_t
)&up
, &addr
);
194 clnt_destroy(rusers_clnt
);
201 enum clnt_stat clnt_stat
;
203 bzero((char *)&up
, sizeof(up
));
204 clnt_stat
= clnt_broadcast(RUSERSPROG
, RUSERSVERS_IDLE
,
205 RUSERSPROC_NAMES
, (xdrproc_t
)xdr_void
, NULL
,
206 (xdrproc_t
)xdr_utmpidlearr
, (char *)&up
,
207 (resultproc_t
)rusers_reply
);
208 if (clnt_stat
!= RPC_SUCCESS
&& clnt_stat
!= RPC_TIMEDOUT
)
209 errx(1, "%s", clnt_sperrno(clnt_stat
));
216 fprintf(stderr
, "usage: rusers [-al] [host ...]\n");
221 main(int argc
, char *argv
[])
225 while ((ch
= getopt(argc
, argv
, "al")) != -1)
242 for (; optind
< argc
; optind
++)
243 onehost(argv
[optind
]);