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 * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
27 */
28
29/*
30 * Create a new VC given a list of addresses.
31 */
32
33#include <errno.h>
34#include <stdio.h>
35#include <string.h>
36#include <strings.h>
37#include <stdlib.h>
38#include <unistd.h>
39#include <netdb.h>
40#include <libintl.h>
41#include <xti.h>
42#include <assert.h>
43
44#include <sys/types.h>
45#include <sys/time.h>
46#include <sys/byteorder.h>
47#include <sys/socket.h>
48#include <sys/fcntl.h>
49
50#include <netinet/in.h>
51#include <netinet/tcp.h>
52#include <arpa/inet.h>
53
54#include <netsmb/smb.h>
55#include <netsmb/smb_lib.h>
56#include <netsmb/netbios.h>
57#include <netsmb/nb_lib.h>
58#include <netsmb/smb_dev.h>
59
60#include "smb/charsets.h"
61#include "smb/private.h"
62
63/*
64 * Ask the IOD to create a VC with this IP address.
65 */
66static int
67fknewvc(struct smb_ctx *ctx, struct addrinfo *ai)
68{
69	char host[256];
70	char svc[32];
71	smbioc_ossn_t *ssn = &ctx->ct_ssn;
72	int err;
73
74	if (smb_debug) {
75		err = getnameinfo(ai->ai_addr, ai->ai_addrlen,
76		    host, sizeof (host), svc, sizeof (svc),
77		    AI_NUMERICHOST);
78		if (err != 0) {
79			strlcpy(host, "(?)", sizeof (host));
80			strlcpy(svc, "?", sizeof (host));
81		}
82		printf("fknewvc: Try AF=%d %s:%s\n",
83		    ai->ai_family, host, svc);
84	}
85
86	/*
87	 * Copy the passed address into ssn_srvaddr,
88	 * but first sanity-check lengths.  Also,
89	 * zero it first to avoid trailing junk.
90	 */
91	if (ai->ai_addrlen > sizeof (ssn->ssn_srvaddr))
92		return (EINVAL);
93	bzero(&ssn->ssn_srvaddr, sizeof (ssn->ssn_srvaddr));
94	bcopy(ai->ai_addr, &ssn->ssn_srvaddr, ai->ai_addrlen);
95
96	/* Ask the IOD to connect using the info in ctx. */
97	err = smb_iod_cl_newvc(ctx);
98	if (smb_debug) {
99		printf("fknewvc: iod_cl_newvc err=%d\n", err);
100	}
101
102	return (err);
103}
104
105/*
106 * Setup a new VC via the IOD.
107 * Similar to findvc.c
108 */
109int
110smb_ctx_newvc(struct smb_ctx *ctx)
111{
112	struct addrinfo *ai;
113	int err;
114
115	/* Should already have the address list. */
116	if ((ctx->ct_flags & SMBCF_RESOLVED) == 0)
117		return (EINVAL);
118
119	err = EPROTONOSUPPORT;  /* in case no AF match */
120	for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) {
121
122		switch (ai->ai_family) {
123
124		case AF_INET:
125		case AF_INET6:
126		case AF_NETBIOS:
127			err = fknewvc(ctx, ai);
128			if (err == 0)
129				return (0);
130			break;
131
132		default:
133			break;
134		}
135	}
136
137	/*
138	 * In the error case, the caller may try again
139	 * with new auth. info, so keep the door open.
140	 * Error return will close in smb_ctx_done.
141	 */
142	return (err);
143}
144