1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1989 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <errno.h>
32
33 /* multicast setsockopts */
34 #define SUNOS4X_IP_MULTICAST_IF 2
35 #define SUNOS4X_IP_MULTICAST_TTL 3
36 #define SUNOS4X_IP_MULTICAST_LOOP 4
37 #define SUNOS4X_IP_ADD_MEMBERSHIP 5
38 #define SUNOS4X_IP_DROP_MEMBERSHIP 6
39 #define SUNOS5X_IP_MULTICAST_IF 0x10
40 #define SUNOS5X_IP_MULTICAST_TTL 0x11
41 #define SUNOS5X_IP_MULTICAST_LOOP 0x12
42 #define SUNOS5X_IP_ADD_MEMBERSHIP 0x13
43 #define SUNOS5X_IP_DROP_MEMBERSHIP 0x14
44
45
46 int
setsockopt(int s,int level,int optname,char * optval,int optlen)47 setsockopt(int s, int level, int optname, char *optval, int optlen)
48 {
49 int a;
50
51 if (level == SOL_SOCKET)
52 switch (optname) {
53 case SO_DONTLINGER: {
54 struct linger ling;
55 ling.l_onoff = 0;
56 if ((a = _setsockopt(s, level, SO_LINGER, &ling,
57 sizeof (struct linger))) == -1)
58 maperror(errno);
59 return (a);
60 }
61
62 case SO_LINGER:
63 if (optlen == sizeof (int)) {
64 struct linger ling;
65 ling.l_onoff = 1;
66 ling.l_linger = (int)*optval;
67 if ((a = _setsockopt(s, level, SO_LINGER, &ling,
68 sizeof (struct linger))) == -1)
69 maperror(errno);
70 return (a);
71 }
72 case SO_DEBUG:
73 case SO_KEEPALIVE:
74 case SO_DONTROUTE:
75 case SO_USELOOPBACK:
76 case SO_REUSEADDR:
77 if (!optval) {
78 int val = 1;
79 if ((a = _setsockopt(s, level, optname, &val,
80 sizeof (int))) == -1)
81 maperror(errno);
82 return (a);
83 }
84 }
85 if (level == IPPROTO_IP)
86 switch (optname) {
87 case SUNOS4X_IP_MULTICAST_IF:
88 optname = SUNOS5X_IP_MULTICAST_IF;
89 break;
90
91 case SUNOS4X_IP_MULTICAST_TTL:
92 optname = SUNOS5X_IP_MULTICAST_TTL;
93 break;
94
95 case SUNOS4X_IP_MULTICAST_LOOP:
96 optname = SUNOS5X_IP_MULTICAST_LOOP;
97 break;
98
99 case SUNOS4X_IP_ADD_MEMBERSHIP:
100 optname = SUNOS5X_IP_ADD_MEMBERSHIP;
101 break;
102
103 case SUNOS4X_IP_DROP_MEMBERSHIP:
104 optname = SUNOS5X_IP_DROP_MEMBERSHIP;
105 break;
106 }
107
108 if ((a = _setsockopt(s, level, optname, optval, optlen)) == -1)
109 maperror(errno);
110 return (a);
111 }
112