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 1989 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
27*0Sstevel@tonic-gate 
28*0Sstevel@tonic-gate #include <sys/types.h>
29*0Sstevel@tonic-gate #include <sys/socket.h>
30*0Sstevel@tonic-gate #include <netinet/in.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate /* multicast setsockopts */
33*0Sstevel@tonic-gate #define	SUNOS4X_IP_MULTICAST_IF		2
34*0Sstevel@tonic-gate #define	SUNOS4X_IP_MULTICAST_TTL	3
35*0Sstevel@tonic-gate #define	SUNOS4X_IP_MULTICAST_LOOP	4
36*0Sstevel@tonic-gate #define	SUNOS4X_IP_ADD_MEMBERSHIP	5
37*0Sstevel@tonic-gate #define	SUNOS4X_IP_DROP_MEMBERSHIP	6
38*0Sstevel@tonic-gate #define	SUNOS5X_IP_MULTICAST_IF		0x10
39*0Sstevel@tonic-gate #define	SUNOS5X_IP_MULTICAST_TTL	0x11
40*0Sstevel@tonic-gate #define	SUNOS5X_IP_MULTICAST_LOOP	0x12
41*0Sstevel@tonic-gate #define	SUNOS5X_IP_ADD_MEMBERSHIP	0x13
42*0Sstevel@tonic-gate #define	SUNOS5X_IP_DROP_MEMBERSHIP	0x14
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate extern int	errno;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate setsockopt(s, level, optname, optval, optlen)
47*0Sstevel@tonic-gate register int	s;
48*0Sstevel@tonic-gate register int	level;
49*0Sstevel@tonic-gate register int	optname;
50*0Sstevel@tonic-gate register char	*optval;
51*0Sstevel@tonic-gate register int	optlen;
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate 	int	a;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if (level == SOL_SOCKET)
56*0Sstevel@tonic-gate 		switch (optname) {
57*0Sstevel@tonic-gate 		case SO_DONTLINGER: {
58*0Sstevel@tonic-gate 			struct linger ling;
59*0Sstevel@tonic-gate 			ling.l_onoff = 0;
60*0Sstevel@tonic-gate 			if ((a = _setsockopt(s, level, SO_LINGER, &ling,
61*0Sstevel@tonic-gate 			    sizeof (struct linger))) == -1)
62*0Sstevel@tonic-gate 				maperror(errno);
63*0Sstevel@tonic-gate 			return (a);
64*0Sstevel@tonic-gate 		}
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 		case SO_LINGER:
67*0Sstevel@tonic-gate 			if  (optlen == sizeof (int)) {
68*0Sstevel@tonic-gate 				struct linger ling;
69*0Sstevel@tonic-gate 				ling.l_onoff = 1;
70*0Sstevel@tonic-gate 				ling.l_linger = (int)*optval;
71*0Sstevel@tonic-gate 				if ((a = _setsockopt(s, level, SO_LINGER, &ling,
72*0Sstevel@tonic-gate 				    sizeof (struct linger))) == -1)
73*0Sstevel@tonic-gate 					maperror(errno);
74*0Sstevel@tonic-gate 				return (a);
75*0Sstevel@tonic-gate 			}
76*0Sstevel@tonic-gate 		case SO_DEBUG:
77*0Sstevel@tonic-gate 		case SO_KEEPALIVE:
78*0Sstevel@tonic-gate 		case SO_DONTROUTE:
79*0Sstevel@tonic-gate 		case SO_USELOOPBACK:
80*0Sstevel@tonic-gate 		case SO_REUSEADDR:
81*0Sstevel@tonic-gate 			if (!optval) {
82*0Sstevel@tonic-gate 				int val = 1;
83*0Sstevel@tonic-gate 				if ((a = _setsockopt(s, level, optname, &val,
84*0Sstevel@tonic-gate 				    sizeof (int))) == -1)
85*0Sstevel@tonic-gate 					maperror(errno);
86*0Sstevel@tonic-gate 				return (a);
87*0Sstevel@tonic-gate 			}
88*0Sstevel@tonic-gate 		}
89*0Sstevel@tonic-gate 	if (level == IPPROTO_IP)
90*0Sstevel@tonic-gate 		switch (optname) {
91*0Sstevel@tonic-gate 		case SUNOS4X_IP_MULTICAST_IF:
92*0Sstevel@tonic-gate 			optname = SUNOS5X_IP_MULTICAST_IF;
93*0Sstevel@tonic-gate 			break;
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 		case SUNOS4X_IP_MULTICAST_TTL:
96*0Sstevel@tonic-gate 			optname = SUNOS5X_IP_MULTICAST_TTL;
97*0Sstevel@tonic-gate 			break;
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate 		case SUNOS4X_IP_MULTICAST_LOOP:
100*0Sstevel@tonic-gate 			optname = SUNOS5X_IP_MULTICAST_LOOP;
101*0Sstevel@tonic-gate 			break;
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate 		case SUNOS4X_IP_ADD_MEMBERSHIP:
104*0Sstevel@tonic-gate 			optname = SUNOS5X_IP_ADD_MEMBERSHIP;
105*0Sstevel@tonic-gate 			break;
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate 		case SUNOS4X_IP_DROP_MEMBERSHIP:
108*0Sstevel@tonic-gate 			optname = SUNOS5X_IP_DROP_MEMBERSHIP;
109*0Sstevel@tonic-gate 			break;
110*0Sstevel@tonic-gate 		}
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate 	if ((a = _setsockopt(s, level, optname, optval, optlen)) == -1)
113*0Sstevel@tonic-gate 		maperror(errno);
114*0Sstevel@tonic-gate 	return(a);
115*0Sstevel@tonic-gate }
116