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 3 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, see <http://www.gnu.org/licenses/>.
23 #include "libcli/raw/libcliraw.h"
24 #include "libcli/smb2/smb2.h"
25 #include "libcli/smb2/smb2_calls.h"
28 send a negprot request
30 struct smb2_request *smb2_negprot_send(struct smb2_transport *transport,
31 struct smb2_negprot *io)
33 struct smb2_request *req;
35 req = smb2_request_init(transport, SMB2_OP_NEGPROT, 0x26, False, 0);
36 if (req == NULL) return NULL;
38 /* this seems to be a bug, they use 0x24 but the length is 0x26 */
39 SSVAL(req->out.body, 0x00, 0x24);
41 SSVAL(req->out.body, 0x02, io->in.unknown1);
42 memcpy(req->out.body+0x04, io->in.unknown2, 32);
43 SSVAL(req->out.body, 0x24, io->in.unknown3);
45 smb2_transport_send(req);
53 NTSTATUS smb2_negprot_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
54 struct smb2_negprot *io)
58 if (!smb2_request_receive(req) ||
59 smb2_request_is_error(req)) {
60 return smb2_request_destroy(req);
63 SMB2_CHECK_PACKET_RECV(req, 0x40, True);
65 io->out._pad = SVAL(req->in.body, 0x02);
66 io->out.unknown2 = IVAL(req->in.body, 0x04);
67 memcpy(io->out.sessid, req->in.body + 0x08, 16);
68 io->out.unknown3 = IVAL(req->in.body, 0x18);
69 io->out.unknown4 = SVAL(req->in.body, 0x1C);
70 io->out.unknown5 = IVAL(req->in.body, 0x1E);
71 io->out.unknown6 = IVAL(req->in.body, 0x22);
72 io->out.unknown7 = SVAL(req->in.body, 0x26);
73 io->out.current_time = smbcli_pull_nttime(req->in.body, 0x28);
74 io->out.boot_time = smbcli_pull_nttime(req->in.body, 0x30);
76 status = smb2_pull_o16s16_blob(&req->in, mem_ctx, req->in.body+0x38, &io->out.secblob);
77 if (!NT_STATUS_IS_OK(status)) {
78 smb2_request_destroy(req);
82 io->out.unknown9 = IVAL(req->in.body, 0x3C);
84 return smb2_request_destroy(req);
90 NTSTATUS smb2_negprot(struct smb2_transport *transport,
91 TALLOC_CTX *mem_ctx, struct smb2_negprot *io)
93 struct smb2_request *req = smb2_negprot_send(transport, io);
94 return smb2_negprot_recv(req, mem_ctx, io);