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
34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/types.h>
39 #include <sys/socket.h>
42 #include <rpc/pmap_clnt.h>
43 #include <rpcsvc/rnusers.h>
45 #include <arpa/inet.h>
55 #define MAX_INT 0x7fffffff
62 static struct host_list {
63 struct host_list *next;
68 search_host(struct in_addr addr)
75 for (hp = hosts; hp != NULL; hp = hp->next) {
76 if (hp->addr.s_addr == addr.s_addr)
83 remember_host(struct in_addr addr)
87 if ((hp = (struct host_list *)malloc(sizeof(struct host_list))) == NULL)
89 hp->addr.s_addr = addr.s_addr;
95 rusers_reply(caddr_t replyp, struct sockaddr_in *raddrp)
99 char date[32], idle_time[64], remote[64];
103 int days, hours, minutes, seconds;
106 memcpy(up, replyp, sizeof(*up));
107 if (search_host(raddrp->sin_addr))
110 if (!allopt && up->utmpidlearr_len == 0)
113 hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
114 sizeof(struct in_addr), AF_INET);
118 host = inet_ntoa(raddrp->sin_addr);
121 printf("%-*s ", HOST_WIDTH, host);
123 for (x = 0; x < up->utmpidlearr_len; x++) {
124 time_t t = _int_to_time(up->utmpidlearr_val[x].ui_utmp.ut_time);
125 strncpy(date, &(ctime(&t)[4]), sizeof(date) - 1);
127 idle = up->utmpidlearr_val[x].ui_idle;
128 sprintf(idle_time, " :%02d", idle);
130 strcpy(idle_time, "??");
132 strcpy(idle_time, "");
135 days = seconds / (60 * 60 * 24);
136 seconds %= (60 * 60 * 24);
137 hours = seconds / (60 * 60);
138 seconds %= (60 * 60);
139 minutes = seconds / 60;
142 sprintf(idle_time, "%d:%02d", minutes, seconds);
143 if (idle >= (60 * 60))
144 sprintf(idle_time, "%d:%02d:%02d",
145 hours, minutes, seconds);
146 if (idle >= (24 * 60 * 60))
147 sprintf(idle_time, "%d days, %d:%02d:%02d",
148 days, hours, minutes, seconds);
151 strncpy(remote, up->utmpidlearr_val[x].ui_utmp.ut_host,
153 if (strlen(remote) != 0)
154 sprintf(remote, "(%.16s)",
155 up->utmpidlearr_val[x].ui_utmp.ut_host);
158 printf("%-8.8s %*s:%-*.*s %-12.12s %6s %.18s\n",
159 up->utmpidlearr_val[x].ui_utmp.ut_name,
160 HOST_WIDTH, host, LINE_WIDTH, LINE_WIDTH,
161 up->utmpidlearr_val[x].ui_utmp.ut_line, date,
165 up->utmpidlearr_val[x].ui_utmp.ut_name);
170 remember_host(raddrp->sin_addr);
179 struct sockaddr_in addr;
183 hp = gethostbyname(host);
185 errx(1, "unknown host \"%s\"", host);
187 rusers_clnt = clnt_create(host, RUSERSPROG, RUSERSVERS_IDLE, "udp");
188 if (rusers_clnt == NULL)
189 errx(1, "%s", clnt_spcreateerror(""));
191 bzero((char *)&up, sizeof(up));
192 tv.tv_sec = 15; /* XXX ?? */
194 if (clnt_call(rusers_clnt, RUSERSPROC_NAMES, (xdrproc_t)xdr_void, NULL,
195 (xdrproc_t)xdr_utmpidlearr, &up, tv) != RPC_SUCCESS)
196 errx(1, "%s", clnt_sperror(rusers_clnt, ""));
197 memcpy(&addr.sin_addr.s_addr, hp->h_addr, sizeof(addr.sin_addr.s_addr));
198 rusers_reply((caddr_t)&up, &addr);
199 clnt_destroy(rusers_clnt);
206 enum clnt_stat clnt_stat;
208 bzero((char *)&up, sizeof(up));
209 clnt_stat = clnt_broadcast(RUSERSPROG, RUSERSVERS_IDLE,
210 RUSERSPROC_NAMES, (xdrproc_t)xdr_void, NULL,
211 (xdrproc_t)xdr_utmpidlearr, (char *)&up,
212 (resultproc_t)rusers_reply);
213 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
214 errx(1, "%s", clnt_sperrno(clnt_stat));
221 fprintf(stderr, "usage: rusers [-al] [host ...]\n");
226 main(int argc, char *argv[])
230 while ((ch = getopt(argc, argv, "al")) != -1)
247 for (; optind < argc; optind++)
248 (void)onehost(argv[optind]);