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 (c) 2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/types.h>
30#include <sys/socket.h>
31#include <netinet/tcp.h>
32#include <errno.h>
33#include <dlfcn.h>
34#include <rpcsvc/nis.h>
35
36#include "ldap_util.h"
37
38#include "nis_parse_ldap_conf.h"
39
40/*
41 * Interpose socket(3SOCKET), so that we can set the connect timeout.
42 * Obviously, this will affect every socket in the application. However,
43 * NIS+ (or, rather, RPC) uses TLI, not sockets, so the only sockets
44 * should be those used by libldap.
45 */
46int
47socket(int domain, int type, int protocol) {
48	int		ret;
49	static int	(*fptr)() = 0;
50	int		timeout = 1000 * proxyInfo.bind_timeout.tv_sec +
51					proxyInfo.bind_timeout.tv_usec / 1000;
52
53	if (fptr == 0) {
54		fptr = (int (*)())dlsym(RTLD_NEXT, "socket");
55		if (fptr == 0) {
56			logmsg(MSG_NOTIMECHECK, LOG_ERR,
57				"socket: load error: %s",
58				dlerror());
59			return (-1);
60		}
61	}
62
63	ret = (*fptr) (domain, type, protocol);
64
65	if (ret >= 0 && timeout > 0) {
66		if (setsockopt(ret, IPPROTO_TCP, TCP_CONN_ABORT_THRESHOLD,
67				&timeout, sizeof (timeout)) != 0)
68			logmsg(MSG_NOTIMECHECK, LOG_ERR,
69	"setsockopt(IPPROTO_TCP/TCP_CONN_ABORT_THRESHOLD, %d) => errno = %d",
70				timeout, errno);
71	}
72
73	return (ret);
74}
75