2 Unix SMB/CIFS implementation.
4 SMB2 client negprot handling
6 Copyright (C) Andrew Tridgell 2005
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 2 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/raw/libcliraw.h"
25 #include "libcli/smb2/smb2.h"
26 #include "libcli/smb2/smb2_calls.h"
29 send a negprot request
31 struct smb2_request *smb2_negprot_send(struct smb2_transport *transport,
32 struct smb2_negprot *io)
34 struct smb2_request *req;
36 req = smb2_request_init(transport, SMB2_OP_NEGPROT, 0x26, False, 0);
37 if (req == NULL) return NULL;
39 /* this seems to be a bug, they use 0x24 but the length is 0x26 */
40 SSVAL(req->out.body, 0x00, 0x24);
42 SSVAL(req->out.body, 0x02, io->in.unknown1);
43 memcpy(req->out.body+0x04, io->in.unknown2, 32);
44 SSVAL(req->out.body, 0x24, io->in.unknown3);
46 smb2_transport_send(req);
54 NTSTATUS smb2_negprot_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
55 struct smb2_negprot *io)
59 if (!smb2_request_receive(req) ||
60 smb2_request_is_error(req)) {
61 return smb2_request_destroy(req);
64 SMB2_CHECK_PACKET_RECV(req, 0x40, True);
66 io->out._pad = SVAL(req->in.body, 0x02);
67 io->out.unknown2 = IVAL(req->in.body, 0x04);
68 memcpy(io->out.sessid, req->in.body + 0x08, 16);
69 io->out.unknown3 = IVAL(req->in.body, 0x18);
70 io->out.unknown4 = SVAL(req->in.body, 0x1C);
71 io->out.unknown5 = IVAL(req->in.body, 0x1E);
72 io->out.unknown6 = IVAL(req->in.body, 0x22);
73 io->out.unknown7 = SVAL(req->in.body, 0x26);
74 io->out.current_time = smbcli_pull_nttime(req->in.body, 0x28);
75 io->out.boot_time = smbcli_pull_nttime(req->in.body, 0x30);
77 status = smb2_pull_o16s16_blob(&req->in, mem_ctx, req->in.body+0x38, &io->out.secblob);
78 if (!NT_STATUS_IS_OK(status)) {
79 smb2_request_destroy(req);
83 io->out.unknown9 = IVAL(req->in.body, 0x3C);
85 return smb2_request_destroy(req);
91 NTSTATUS smb2_negprot(struct smb2_transport *transport,
92 TALLOC_CTX *mem_ctx, struct smb2_negprot *io)
94 struct smb2_request *req = smb2_negprot_send(transport, io);
95 return smb2_negprot_recv(req, mem_ctx, io);