newvc.c revision 10023:71bf38dba3d6 
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Create a new VC given a list of addresses.
29 */
30
31#include <errno.h>
32#include <stdio.h>
33#include <string.h>
34#include <strings.h>
35#include <stdlib.h>
36#include <unistd.h>
37#include <netdb.h>
38#include <libintl.h>
39#include <xti.h>
40#include <assert.h>
41
42#include <sys/types.h>
43#include <sys/time.h>
44#include <sys/byteorder.h>
45#include <sys/socket.h>
46#include <sys/fcntl.h>
47
48#include <netinet/in.h>
49#include <netinet/tcp.h>
50#include <arpa/inet.h>
51
52#include <netsmb/smb.h>
53#include <netsmb/smb_lib.h>
54#include <netsmb/netbios.h>
55#include <netsmb/nb_lib.h>
56#include <netsmb/smb_dev.h>
57
58#include "charsets.h"
59#include "private.h"
60
61/*
62 * Ask the IOD to create a VC with this IP address.
63 */
64static int
65newvc(struct smb_ctx *ctx, struct addrinfo *ai)
66{
67	smbioc_ossn_t *ssn = &ctx->ct_ssn;
68
69	/*
70	 * Copy the passed address into ssn_srvaddr,
71	 * but first sanity-check lengths.  Also,
72	 * zero it first to avoid trailing junk.
73	 */
74	if (ai->ai_addrlen > sizeof (ssn->ssn_srvaddr))
75		return (EINVAL);
76	bzero(&ssn->ssn_srvaddr, sizeof (ssn->ssn_srvaddr));
77	bcopy(ai->ai_addr, &ssn->ssn_srvaddr, ai->ai_addrlen);
78
79	return (smb_iod_cl_newvc(ctx));
80}
81
82/*
83 * Setup a new VC via the IOD.
84 * Similar to findvc.c
85 */
86int
87smb_ctx_newvc(struct smb_ctx *ctx)
88{
89	struct addrinfo *ai;
90	int err = ENOENT;
91
92	/* Should already have the address list. */
93	if ((ctx->ct_flags & SMBCF_RESOLVED) == 0)
94		return (EINVAL);
95
96	for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) {
97
98		switch (ai->ai_family) {
99
100		case AF_INET:
101		case AF_INET6:
102		case AF_NETBIOS:
103			err = newvc(ctx, ai);
104			break;
105
106		default:
107			DPRINT("skipped family %d", ai->ai_family);
108			break;
109		}
110
111		if (err == 0) {
112			ctx->ct_flags |= SMBCF_SSNACTIVE;
113			return (0);
114		}
115	}
116
117	return (err);
118}
119