1/*-
2 * Copyright (c) 1993, John Brezak
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1993, John Brezak
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char rcsid[] =
|
37#endif /* not lint */
38
39#include <sys/types.h>
40#include <sys/socket.h>
41#include <rpc/rpc.h>
42#include <rpc/pmap_clnt.h>
43#include <rpcsvc/rnusers.h>
44#include <arpa/inet.h>
45#include <err.h>
46#include <netdb.h>
47#include <stdio.h>
48#include <stdlib.h>
49#include <strings.h>
50#include <unistd.h>
51
52#define MAX_INT 0x7fffffff
53#define HOST_WIDTH 20
54#define LINE_WIDTH 15
55
56int longopt;
57int allopt;
58
59struct host_list {
60 struct host_list *next;
61 struct in_addr addr;
62} *hosts;
63
64int
65search_host(struct in_addr addr)
66{
67 struct host_list *hp;
68
69 if (hosts == NULL)
70 return (0);
71
72 for (hp = hosts; hp != NULL; hp = hp->next) {
73 if (hp->addr.s_addr == addr.s_addr)
74 return (1);
75 }
76 return (0);
77}
78
79void
80remember_host(struct in_addr addr)
81{
82 struct host_list *hp;
83
84 if ((hp = (struct host_list *)malloc(sizeof(struct host_list))) == NULL)
85 errx(1, "no memory");
86 hp->addr.s_addr = addr.s_addr;
87 hp->next = hosts;
88 hosts = hp;
89}
90
91int
92rusers_reply(caddr_t replyp, struct sockaddr_in *raddrp)
93{
94 int x, idle;
95 char date[32], idle_time[64], remote[64];
96 struct hostent *hp;
97 utmpidlearr *up = (utmpidlearr *)replyp;
98 char *host;
99 int days, hours, minutes, seconds;
100
101 if (search_host(raddrp->sin_addr))
102 return (0);
103
104 if (!allopt && up->utmpidlearr_len == 0)
105 return (0);
106
107 hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
108 sizeof(struct in_addr), AF_INET);
109 if (hp != NULL)
110 host = hp->h_name;
111 else
112 host = inet_ntoa(raddrp->sin_addr);
113
114 if (!longopt)
115 printf("%-*s ", HOST_WIDTH, host);
116
117 for (x = 0; x < up->utmpidlearr_len; x++) {
118 strncpy(date,
119 &(ctime((time_t *)&(up->utmpidlearr_val[x].ui_utmp.ut_time))[4]),
120 sizeof(date) - 1);
121
122 idle = up->utmpidlearr_val[x].ui_idle;
123 sprintf(idle_time, " :%02d", idle);
124 if (idle == MAX_INT)
125 strcpy(idle_time, "??");
126 else if (idle == 0)
127 strcpy(idle_time, "");
128 else {
129 seconds = idle;
130 days = seconds / (60 * 60 * 24);
131 seconds %= (60 * 60 * 24);
132 hours = seconds / (60 * 60);
133 seconds %= (60 * 60);
134 minutes = seconds / 60;
135 seconds %= 60;
136 if (idle > 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);
144 }
145
146 strncpy(remote, up->utmpidlearr_val[x].ui_utmp.ut_host,
147 sizeof(remote) - 1);
148 if (strlen(remote) != 0)
149 sprintf(remote, "(%.16s)",
150 up->utmpidlearr_val[x].ui_utmp.ut_host);
151
152 if (longopt)
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,
157 idle_time, remote );
158 else
159 printf("%s ",
160 up->utmpidlearr_val[x].ui_utmp.ut_name);
161 }
162 if (!longopt)
163 putchar('\n');
164
165 remember_host(raddrp->sin_addr);
166 return (0);
167}
168
169void
170onehost(char *host)
171{
172 utmpidlearr up;
173 CLIENT *rusers_clnt;
174 struct sockaddr_in addr;
175 struct hostent *hp;
176 struct timeval tv;
177
178 hp = gethostbyname(host);
179 if (hp == NULL)
180 errx(1, "unknown host \"%s\"", host);
181
182 rusers_clnt = clnt_create(host, RUSERSPROG, RUSERSVERS_IDLE, "udp");
183 if (rusers_clnt == NULL)
184 errx(1, "%s", clnt_spcreateerror(""));
185
186 bzero((char *)&up, sizeof(up));
187 tv.tv_sec = 15; /* XXX ?? */
188 tv.tv_usec = 0;
189 if (clnt_call(rusers_clnt, RUSERSPROC_NAMES, xdr_void, NULL,
190 xdr_utmpidlearr, &up, tv) != RPC_SUCCESS)
191 errx(1, "%s", clnt_sperror(rusers_clnt, ""));
192 addr.sin_addr.s_addr = *(int *)hp->h_addr;
193 rusers_reply((caddr_t)&up, &addr);
| 37#endif /* not lint */
38
39#include <sys/types.h>
40#include <sys/socket.h>
41#include <rpc/rpc.h>
42#include <rpc/pmap_clnt.h>
43#include <rpcsvc/rnusers.h>
44#include <arpa/inet.h>
45#include <err.h>
46#include <netdb.h>
47#include <stdio.h>
48#include <stdlib.h>
49#include <strings.h>
50#include <unistd.h>
51
52#define MAX_INT 0x7fffffff
53#define HOST_WIDTH 20
54#define LINE_WIDTH 15
55
56int longopt;
57int allopt;
58
59struct host_list {
60 struct host_list *next;
61 struct in_addr addr;
62} *hosts;
63
64int
65search_host(struct in_addr addr)
66{
67 struct host_list *hp;
68
69 if (hosts == NULL)
70 return (0);
71
72 for (hp = hosts; hp != NULL; hp = hp->next) {
73 if (hp->addr.s_addr == addr.s_addr)
74 return (1);
75 }
76 return (0);
77}
78
79void
80remember_host(struct in_addr addr)
81{
82 struct host_list *hp;
83
84 if ((hp = (struct host_list *)malloc(sizeof(struct host_list))) == NULL)
85 errx(1, "no memory");
86 hp->addr.s_addr = addr.s_addr;
87 hp->next = hosts;
88 hosts = hp;
89}
90
91int
92rusers_reply(caddr_t replyp, struct sockaddr_in *raddrp)
93{
94 int x, idle;
95 char date[32], idle_time[64], remote[64];
96 struct hostent *hp;
97 utmpidlearr *up = (utmpidlearr *)replyp;
98 char *host;
99 int days, hours, minutes, seconds;
100
101 if (search_host(raddrp->sin_addr))
102 return (0);
103
104 if (!allopt && up->utmpidlearr_len == 0)
105 return (0);
106
107 hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
108 sizeof(struct in_addr), AF_INET);
109 if (hp != NULL)
110 host = hp->h_name;
111 else
112 host = inet_ntoa(raddrp->sin_addr);
113
114 if (!longopt)
115 printf("%-*s ", HOST_WIDTH, host);
116
117 for (x = 0; x < up->utmpidlearr_len; x++) {
118 strncpy(date,
119 &(ctime((time_t *)&(up->utmpidlearr_val[x].ui_utmp.ut_time))[4]),
120 sizeof(date) - 1);
121
122 idle = up->utmpidlearr_val[x].ui_idle;
123 sprintf(idle_time, " :%02d", idle);
124 if (idle == MAX_INT)
125 strcpy(idle_time, "??");
126 else if (idle == 0)
127 strcpy(idle_time, "");
128 else {
129 seconds = idle;
130 days = seconds / (60 * 60 * 24);
131 seconds %= (60 * 60 * 24);
132 hours = seconds / (60 * 60);
133 seconds %= (60 * 60);
134 minutes = seconds / 60;
135 seconds %= 60;
136 if (idle > 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);
144 }
145
146 strncpy(remote, up->utmpidlearr_val[x].ui_utmp.ut_host,
147 sizeof(remote) - 1);
148 if (strlen(remote) != 0)
149 sprintf(remote, "(%.16s)",
150 up->utmpidlearr_val[x].ui_utmp.ut_host);
151
152 if (longopt)
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,
157 idle_time, remote );
158 else
159 printf("%s ",
160 up->utmpidlearr_val[x].ui_utmp.ut_name);
161 }
162 if (!longopt)
163 putchar('\n');
164
165 remember_host(raddrp->sin_addr);
166 return (0);
167}
168
169void
170onehost(char *host)
171{
172 utmpidlearr up;
173 CLIENT *rusers_clnt;
174 struct sockaddr_in addr;
175 struct hostent *hp;
176 struct timeval tv;
177
178 hp = gethostbyname(host);
179 if (hp == NULL)
180 errx(1, "unknown host \"%s\"", host);
181
182 rusers_clnt = clnt_create(host, RUSERSPROG, RUSERSVERS_IDLE, "udp");
183 if (rusers_clnt == NULL)
184 errx(1, "%s", clnt_spcreateerror(""));
185
186 bzero((char *)&up, sizeof(up));
187 tv.tv_sec = 15; /* XXX ?? */
188 tv.tv_usec = 0;
189 if (clnt_call(rusers_clnt, RUSERSPROC_NAMES, xdr_void, NULL,
190 xdr_utmpidlearr, &up, tv) != RPC_SUCCESS)
191 errx(1, "%s", clnt_sperror(rusers_clnt, ""));
192 addr.sin_addr.s_addr = *(int *)hp->h_addr;
193 rusers_reply((caddr_t)&up, &addr);
|
194}
195
196void
197allhosts()
198{
199 utmpidlearr up;
200 enum clnt_stat clnt_stat;
201
202 bzero((char *)&up, sizeof(up));
203 clnt_stat = clnt_broadcast(RUSERSPROG, RUSERSVERS_IDLE,
204 RUSERSPROC_NAMES, xdr_void, NULL, xdr_utmpidlearr, (char *)&up,
205 rusers_reply);
206 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
207 errx(1, "%s", clnt_sperrno(clnt_stat));
208}
209
210static void
211usage()
212{
213
214 fprintf(stderr, "usage: rusers [-la] [hosts ...]\n");
215 exit(1);
216}
217
218int
219main(int argc, char *argv[])
220{
221 int ch;
222
223 while ((ch = getopt(argc, argv, "al")) != -1)
224 switch (ch) {
225 case 'a':
226 allopt++;
227 break;
228 case 'l':
229 longopt++;
230 break;
231 default:
232 usage();
233 /* NOTREACHED */
234 }
235
236 setlinebuf(stdout);
237 if (argc == optind)
238 allhosts();
239 else {
240 for (; optind < argc; optind++)
241 (void)onehost(argv[optind]);
242 }
243 exit(0);
244}
| 195}
196
197void
198allhosts()
199{
200 utmpidlearr up;
201 enum clnt_stat clnt_stat;
202
203 bzero((char *)&up, sizeof(up));
204 clnt_stat = clnt_broadcast(RUSERSPROG, RUSERSVERS_IDLE,
205 RUSERSPROC_NAMES, xdr_void, NULL, xdr_utmpidlearr, (char *)&up,
206 rusers_reply);
207 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
208 errx(1, "%s", clnt_sperrno(clnt_stat));
209}
210
211static void
212usage()
213{
214
215 fprintf(stderr, "usage: rusers [-la] [hosts ...]\n");
216 exit(1);
217}
218
219int
220main(int argc, char *argv[])
221{
222 int ch;
223
224 while ((ch = getopt(argc, argv, "al")) != -1)
225 switch (ch) {
226 case 'a':
227 allopt++;
228 break;
229 case 'l':
230 longopt++;
231 break;
232 default:
233 usage();
234 /* NOTREACHED */
235 }
236
237 setlinebuf(stdout);
238 if (argc == optind)
239 allhosts();
240 else {
241 for (; optind < argc; optind++)
242 (void)onehost(argv[optind]);
243 }
244 exit(0);
245}
|