summaryrefslogtreecommitdiff
path: root/source4/smb_server/smb2/tcon.c
blob: 9fb2a03ce33363f1da25956c58dda6ce246c2197 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/* 
   Unix SMB2 implementation.
   
   Copyright (C) Stefan Metzmacher	2005
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "smb_server/smb_server.h"
#include "smb_server/smb2/smb2_server.h"

static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, struct smb2_tree_connect *io)
{
	struct smbsrv_tcon *tcon;

	tcon = smbsrv_smb2_tcon_new(req->session);
	NT_STATUS_HAVE_NO_MEMORY(tcon);

	/* TODO: do real tree connect */

	io->out.unknown1	= 0;
	io->out.unknown2	= 0;
	io->out.unknown3	= 0;
	io->out.access_mask	= 0;

	io->out.tid		= tcon->tid;

	req->tcon = tcon;
	return NT_STATUS_OK;
}

static void smb2srv_tcon_send(struct smb2srv_request *req, struct smb2_tree_connect *io)
{
	NTSTATUS status;

	if (NT_STATUS_IS_ERR(req->status)) {
		smb2srv_send_error(req, req->status);
		return;
	}

	status = smb2srv_setup_reply(req, 0x10, 0);
	if (!NT_STATUS_IS_OK(status)) {
		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
		talloc_free(req);
		return;
	}

	SBVAL(req->out.hdr, SMB2_HDR_TID,    io->out.tid);

	SSVAL(req->out.body, 0x02, io->out.unknown1);
	SIVAL(req->out.body, 0x04, io->out.unknown2);
	SIVAL(req->out.body, 0x08, io->out.unknown3);
	SIVAL(req->out.body, 0x0C, io->out.access_mask);

	smb2srv_send_reply(req);
}

void smb2srv_tcon_recv(struct smb2srv_request *req)
{
	struct smb2_tree_connect *io;
	NTSTATUS status;

	if (req->in.body_size < 0x08) {
		smb2srv_send_error(req,  NT_STATUS_FOOBAR);
		return;
	}

	io = talloc(req, struct smb2_tree_connect);
	if (!io) {
		smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
		talloc_free(req);
		return;
	}

	io->in.unknown1 = SVAL(req->in.body, 0x02);
	status = smb2_pull_o16s16_string(&req->in, io, req->in.body+0x04, &io->in.path);
	if (!NT_STATUS_IS_OK(status)) {
		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
		talloc_free(req);
		return;
	}

	req->status = smb2srv_tcon_backend(req, io);

	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
		talloc_free(req);
		return;
	}
	smb2srv_tcon_send(req, io);
}

static NTSTATUS smb2srv_tdis_backend(struct smb2srv_request *req)
{
	/* TODO: call ntvfs backends to close file of this tcon */
	talloc_free(req->tcon);
	req->tcon = NULL;
	return NT_STATUS_OK;
}

static void smb2srv_tdis_send(struct smb2srv_request *req)
{
	NTSTATUS status;

	if (NT_STATUS_IS_ERR(req->status)) {
		smb2srv_send_error(req, req->status);
		return;
	}

	status = smb2srv_setup_reply(req, 0x04, 0);
	if (!NT_STATUS_IS_OK(status)) {
		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
		talloc_free(req);
		return;
	}

	SSVAL(req->out.body, 0x02, 0);

	smb2srv_send_reply(req);
}

void smb2srv_tdis_recv(struct smb2srv_request *req)
{
	uint16_t _pad;

	if (req->in.body_size < 0x04) {
		smb2srv_send_error(req,  NT_STATUS_FOOBAR);
		return;
	}

	_pad	= SVAL(req->in.body, 0x02);

	req->status = smb2srv_tdis_backend(req);

	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
		talloc_free(req);
		return;
	}
	smb2srv_tdis_send(req);
}