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 * Find existing an 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>
59 #include "private.h"
60
61 /*
62 * Ask the driver if it has a VC with this IP address.
63 */
64 static int
65 findvc(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 if (ioctl(ctx->ct_dev_fd, SMBIOC_SSN_FIND, ssn) == -1)
80 return (errno);
81
82 return (0);
83 }
84
85 /*
86 * Find (and reuse) an existing VC.
87 * See also: newvc.c
88 */
89 int
90 smb_ctx_findvc(struct smb_ctx *ctx)
91 {
92 struct addrinfo *ai;
93 int err;
94
95 /* Should already have the address list. */
96 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0)
97 return (EINVAL);
98
99 for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) {
100
101 switch (ai->ai_family) {
102
103 case AF_INET:
104 case AF_INET6:
105 case AF_NETBIOS:
106 err = findvc(ctx, ai);
107 break;
108
109 default:
110 DPRINT("skipped family %d", ai->ai_family);
111 err = EPROTONOSUPPORT;
112 break;
113 }
114
115 if (err == 0) {
116 /* re-use an existing VC */
117 ctx->ct_flags |= SMBCF_SSNACTIVE;
118 return (0);
119 }
120 }
121
122 return (ENOENT);
123 }
124
125 /*
126 * Forcibly disconnect the current session, even if
127 * there are others using it! This is used by the
128 * SMB server netlogon when it wants to setup a new
129 * logon session and does not want any re-use.
130 */
131 int
132 smb_ctx_kill(struct smb_ctx *ctx)
133 {
134
135 if (ioctl(ctx->ct_dev_fd, SMBIOC_SSN_KILL, NULL) == -1)
136 return (errno);
137
138 return (0);
139 }
|
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 2018 Nexenta Systems, Inc. All rights reserved.
27 */
28
29 /*
30 * Find existing an 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>
61 #include "private.h"
62
63 /*
64 * Ask the driver if it has a VC with this IP address.
65 */
66 static int
67 findvc(struct smb_ctx *ctx, struct addrinfo *ai)
68 {
69 smbioc_ossn_t *ssn = &ctx->ct_ssn;
70
71 /*
72 * Copy the passed address into ssn_srvaddr,
73 * but first sanity-check lengths. Also,
74 * zero it first to avoid trailing junk.
75 */
76 if (ai->ai_addrlen > sizeof (ssn->ssn_srvaddr))
77 return (EINVAL);
78 bzero(&ssn->ssn_srvaddr, sizeof (ssn->ssn_srvaddr));
79 bcopy(ai->ai_addr, &ssn->ssn_srvaddr, ai->ai_addrlen);
80
81 if (nsmb_ioctl(ctx->ct_dev_fd, SMBIOC_SSN_FIND, ssn) == -1)
82 return (errno);
83
84 return (0);
85 }
86
87 /*
88 * Find (and reuse) an existing VC.
89 * See also: newvc.c
90 */
91 int
92 smb_ctx_findvc(struct smb_ctx *ctx)
93 {
94 struct addrinfo *ai;
95 int err;
96
97 /* Should already have the address list. */
98 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0)
99 return (EINVAL);
100
101 if (ctx->ct_dev_fd < 0) {
102 if ((err = smb_ctx_gethandle(ctx)))
103 return (err);
104 }
105
106 for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) {
107
108 switch (ai->ai_family) {
109
110 case AF_INET:
111 case AF_INET6:
112 case AF_NETBIOS:
113 err = findvc(ctx, ai);
114 break;
115
116 default:
117 DPRINT("skipped family %d", ai->ai_family);
118 err = EPROTONOSUPPORT;
119 break;
120 }
121
122 if (err == 0) {
123 /* re-use an existing VC */
124 return (0);
125 }
126 }
127
128 return (ENOENT);
129 }
130
131 /*
132 * Forcibly disconnect the current session, even if
133 * there are others using it! This is used by the
134 * SMB server netlogon when it wants to setup a new
135 * logon session and does not want any re-use.
136 */
137 int
138 smb_ctx_kill(struct smb_ctx *ctx)
139 {
140
141 if (nsmb_ioctl(ctx->ct_dev_fd, SMBIOC_SSN_KILL, NULL) == -1)
142 return (errno);
143
144 return (0);
145 }
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