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DEFINITIONS
This source file includes following definitions.
- smb2_tree_init
- smb2_tree_connect_send
- smb2_tree_connect_recv
- smb2_tree_connect
1 /*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client tree handling
5
6 Copyright (C) Andrew Tridgell 2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "libcli/smb2/smb2.h"
24 #include "libcli/smb2/smb2_calls.h"
25
26 /*
27 initialise a smb2_session structure
28 */
29 struct smb2_tree *smb2_tree_init(struct smb2_session *session,
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30 TALLOC_CTX *parent_ctx, bool primary)
31 {
32 struct smb2_tree *tree;
33
34 tree = talloc_zero(parent_ctx, struct smb2_tree);
35 if (!session) {
36 return NULL;
37 }
38 if (primary) {
39 tree->session = talloc_steal(tree, session);
40 } else {
41 tree->session = talloc_reference(tree, session);
42 }
43 return tree;
44 }
45
46 /*
47 send a tree connect
48 */
49 struct smb2_request *smb2_tree_connect_send(struct smb2_tree *tree,
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50 struct smb2_tree_connect *io)
51 {
52 struct smb2_request *req;
53 NTSTATUS status;
54
55 req = smb2_request_init(tree->session->transport, SMB2_OP_TCON,
56 0x08, true, 0);
57 if (req == NULL) return NULL;
58
59 SBVAL(req->out.hdr, SMB2_HDR_SESSION_ID, tree->session->uid);
60 req->session = tree->session;
61
62 SSVAL(req->out.body, 0x02, io->in.reserved);
63 status = smb2_push_o16s16_string(&req->out, 0x04, io->in.path);
64 if (!NT_STATUS_IS_OK(status)) {
65 talloc_free(req);
66 return NULL;
67 }
68
69 smb2_transport_send(req);
70
71 return req;
72 }
73
74
75 /*
76 recv a tree connect reply
77 */
78 NTSTATUS smb2_tree_connect_recv(struct smb2_request *req, struct smb2_tree_connect *io)
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79 {
80 if (!smb2_request_receive(req) ||
81 smb2_request_is_error(req)) {
82 return smb2_request_destroy(req);
83 }
84
85 SMB2_CHECK_PACKET_RECV(req, 0x10, false);
86
87 io->out.tid = IVAL(req->in.hdr, SMB2_HDR_TID);
88
89 io->out.share_type = CVAL(req->in.body, 0x02);
90 io->out.reserved = CVAL(req->in.body, 0x03);
91 io->out.flags = IVAL(req->in.body, 0x04);
92 io->out.capabilities= IVAL(req->in.body, 0x08);
93 io->out.access_mask = IVAL(req->in.body, 0x0C);
94
95 if (io->out.capabilities & ~SMB2_CAP_ALL) {
96 DEBUG(0,("Unknown capabilities mask 0x%x\n", io->out.capabilities));
97 }
98 if (io->out.flags & ~SMB2_SHAREFLAG_ALL) {
99 DEBUG(0,("Unknown tcon shareflag 0x%x\n", io->out.flags));
100 }
101
102 return smb2_request_destroy(req);
103 }
104
105 /*
106 sync tree connect request
107 */
108 NTSTATUS smb2_tree_connect(struct smb2_tree *tree, struct smb2_tree_connect *io)
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109 {
110 struct smb2_request *req = smb2_tree_connect_send(tree, io);
111 return smb2_tree_connect_recv(req, io);
112 }