1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * discard inetd service - both stream and dgram based.
31*0Sstevel@tonic-gate */
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate #include <sys/types.h>
34*0Sstevel@tonic-gate #include <sys/socket.h>
35*0Sstevel@tonic-gate #include <unistd.h>
36*0Sstevel@tonic-gate #include <stdio.h>
37*0Sstevel@tonic-gate #include <stdlib.h>
38*0Sstevel@tonic-gate #include <netinet/in.h>
39*0Sstevel@tonic-gate #include <inetsvc.h>
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate static void
discard_stream(int s,char * argv[])43*0Sstevel@tonic-gate discard_stream(int s, char *argv[])
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate char buffer[BUFSIZ];
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate setproctitle("discard", s, argv);
48*0Sstevel@tonic-gate while (read(s, buffer, sizeof (buffer)) > 0)
49*0Sstevel@tonic-gate ;
50*0Sstevel@tonic-gate }
51*0Sstevel@tonic-gate
52*0Sstevel@tonic-gate /* ARGSUSED0 */
53*0Sstevel@tonic-gate static void
noop(int s,const struct sockaddr * sap,int sa_size,const void * buf,size_t sz)54*0Sstevel@tonic-gate noop(int s, const struct sockaddr *sap, int sa_size, const void *buf, size_t sz)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate int
main(int argc,char * argv[])59*0Sstevel@tonic-gate main(int argc, char *argv[])
60*0Sstevel@tonic-gate {
61*0Sstevel@tonic-gate opterr = 0; /* disable getopt error msgs */
62*0Sstevel@tonic-gate switch (getopt(argc, argv, "ds")) {
63*0Sstevel@tonic-gate case 'd':
64*0Sstevel@tonic-gate /*
65*0Sstevel@tonic-gate * We don't need to do any work since dg_template consumes the
66*0Sstevel@tonic-gate * datagrams for us, and we just ignore them.
67*0Sstevel@tonic-gate */
68*0Sstevel@tonic-gate dg_template(noop, STDIN_FILENO, NULL, 0);
69*0Sstevel@tonic-gate break;
70*0Sstevel@tonic-gate case 's':
71*0Sstevel@tonic-gate discard_stream(STDIN_FILENO, argv);
72*0Sstevel@tonic-gate break;
73*0Sstevel@tonic-gate default:
74*0Sstevel@tonic-gate return (1);
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate return (0);
78*0Sstevel@tonic-gate }
79