xref: /onnv-gate/usr/src/lib/libnisdb/ldap_cto.c (revision 0:68f95e015346)
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 (c) 2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
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 #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/socket.h>
31*0Sstevel@tonic-gate #include <netinet/tcp.h>
32*0Sstevel@tonic-gate #include <errno.h>
33*0Sstevel@tonic-gate #include <dlfcn.h>
34*0Sstevel@tonic-gate #include <rpcsvc/nis.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include "ldap_util.h"
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #include "nis_parse_ldap_conf.h"
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /*
41*0Sstevel@tonic-gate  * Interpose socket(3SOCKET), so that we can set the connect timeout.
42*0Sstevel@tonic-gate  * Obviously, this will affect every socket in the application. However,
43*0Sstevel@tonic-gate  * NIS+ (or, rather, RPC) uses TLI, not sockets, so the only sockets
44*0Sstevel@tonic-gate  * should be those used by libldap.
45*0Sstevel@tonic-gate  */
46*0Sstevel@tonic-gate int
socket(int domain,int type,int protocol)47*0Sstevel@tonic-gate socket(int domain, int type, int protocol) {
48*0Sstevel@tonic-gate 	int		ret;
49*0Sstevel@tonic-gate 	static int	(*fptr)() = 0;
50*0Sstevel@tonic-gate 	int		timeout = 1000 * proxyInfo.bind_timeout.tv_sec +
51*0Sstevel@tonic-gate 					proxyInfo.bind_timeout.tv_usec / 1000;
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate 	if (fptr == 0) {
54*0Sstevel@tonic-gate 		fptr = (int (*)())dlsym(RTLD_NEXT, "socket");
55*0Sstevel@tonic-gate 		if (fptr == 0) {
56*0Sstevel@tonic-gate 			logmsg(MSG_NOTIMECHECK, LOG_ERR,
57*0Sstevel@tonic-gate 				"socket: load error: %s",
58*0Sstevel@tonic-gate 				dlerror());
59*0Sstevel@tonic-gate 			return (-1);
60*0Sstevel@tonic-gate 		}
61*0Sstevel@tonic-gate 	}
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 	ret = (*fptr) (domain, type, protocol);
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	if (ret >= 0 && timeout > 0) {
66*0Sstevel@tonic-gate 		if (setsockopt(ret, IPPROTO_TCP, TCP_CONN_ABORT_THRESHOLD,
67*0Sstevel@tonic-gate 				&timeout, sizeof (timeout)) != 0)
68*0Sstevel@tonic-gate 			logmsg(MSG_NOTIMECHECK, LOG_ERR,
69*0Sstevel@tonic-gate 	"setsockopt(IPPROTO_TCP/TCP_CONN_ABORT_THRESHOLD, %d) => errno = %d",
70*0Sstevel@tonic-gate 				timeout, errno);
71*0Sstevel@tonic-gate 	}
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 	return (ret);
74*0Sstevel@tonic-gate }
75