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]);