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
|
/*
Unix SMB/CIFS implementation.
SMB2 client negprot handling
Copyright (C) Andrew Tridgell 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/raw/libcliraw.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
/*
send a negprot request
*/
struct smb2_request *smb2_negprot_send(struct smb2_transport *transport,
struct smb2_negprot *io)
{
struct smb2_request *req;
req = smb2_request_init(transport, SMB2_OP_NEGPROT, 0x26);
if (req == NULL) return NULL;
SIVAL(req->out.body, 0x00, io->in.unknown1);
SSVAL(req->out.body, 0x04, io->in.unknown2);
memcpy(req->out.body+0x06, io->in.unknown3, 32);
smb2_transport_send(req);
return req;
}
/*
recv a negprot reply
*/
NTSTATUS smb2_negprot_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
struct smb2_negprot *io)
{
uint16_t blobsize;
if (!smb2_request_receive(req) ||
smb2_request_is_error(req)) {
return smb2_request_destroy(req);
}
if (req->in.body_size < 0x40) {
return NT_STATUS_BUFFER_TOO_SMALL;
}
SMB2_CHECK_BUFFER_CODE(req, 0x41);
io->out._pad = SVAL(req->in.body, 0x02);
io->out.unknown2 = IVAL(req->in.body, 0x04);
memcpy(io->out.sessid, req->in.body + 0x08, 16);
io->out.unknown3 = IVAL(req->in.body, 0x18);
io->out.unknown4 = SVAL(req->in.body, 0x1C);
io->out.unknown5 = IVAL(req->in.body, 0x1E);
io->out.unknown6 = IVAL(req->in.body, 0x22);
io->out.unknown7 = SVAL(req->in.body, 0x26);
io->out.current_time = smbcli_pull_nttime(req->in.body, 0x28);
io->out.boot_time = smbcli_pull_nttime(req->in.body, 0x30);
io->out.unknown8 = SVAL(req->in.body, 0x38);
blobsize = SVAL(req->in.body, 0x3A);
io->out.unknown9 = IVAL(req->in.body, 0x3C);
io->out.secblob = smb2_pull_blob(&req->in, mem_ctx, req->in.body+0x40, blobsize);
return smb2_request_destroy(req);
}
/*
sync negprot request
*/
NTSTATUS smb2_negprot(struct smb2_transport *transport,
TALLOC_CTX *mem_ctx, struct smb2_negprot *io)
{
struct smb2_request *req = smb2_negprot_send(transport, io);
return smb2_negprot_recv(req, mem_ctx, io);
}
|
