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 */
64 static int
newvc(struct smb_ctx * ctx,struct addrinfo * ai)65 newvc(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 */
86 int
smb_ctx_newvc(struct smb_ctx * ctx)87 smb_ctx_newvc(struct smb_ctx *ctx)
88 {
89 struct addrinfo *ai;
90 int err;
91
92 /* Should already have the address list. */
93 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0)
94 return (EINVAL);
95
96 /*
97 * Get a door handle to the smbiod if we
98 * don't have one already. This also
99 * starts the smbiod if necessary.
100 */
101 if (ctx->ct_door_fd < 0) {
102 err = smb_iod_start(ctx);
103 if (err != 0)
104 return (err);
105 }
106
107 err = EPROTONOSUPPORT; /* in case no AF match */
108 for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) {
109
110 switch (ai->ai_family) {
111
112 case AF_INET:
113 case AF_INET6:
114 case AF_NETBIOS:
115 err = newvc(ctx, ai);
116 if (err == 0)
117 goto OK;
118 break;
119
120 default:
121 DPRINT("skipped family %d", ai->ai_family);
122 break;
123 }
124 }
125
126 /*
127 * In the error case, the caller may try again
128 * with new auth. info, so keep the door open.
129 * Error return will close in smb_ctx_done.
130 */
131 return (err);
132
133 OK:
134 /* Done with the door handle. */
135 close(ctx->ct_door_fd);
136 ctx->ct_door_fd = -1;
137 return (0);
138 }
139