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https://github.com/samba-team/samba.git
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beaa01e403
This doessn't work against Windows yet, and I've submitted a WSPP
request for clarification of the docs to try and find out
why. Meanwhile this is no worse than what we had, as it only gets used
when the server demands signing, and we didn't work then anyway.
(This used to be commit b788096add)
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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SMB2 client notify calls
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Copyright (C) Stefan Metzmacher 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libcli/raw/libcliraw.h"
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#include "libcli/smb2/smb2.h"
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#include "libcli/smb2/smb2_calls.h"
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/*
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send a cancel request
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*/
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NTSTATUS smb2_cancel(struct smb2_request *r)
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{
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NTSTATUS status;
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struct smb2_request *c;
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uint32_t old_timeout;
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uint64_t old_seqnum;
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/*
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* if we don't get a pending id yet, we just
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* mark the request for pending, so that we directly
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* send the cancel after getting the pending id
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*/
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if (!r->cancel.can_cancel) {
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r->cancel.do_cancel++;
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return NT_STATUS_OK;
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}
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/* we don't want a seqmun for a SMB2 Cancel */
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old_seqnum = r->transport->seqnum;
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c = smb2_request_init(r->transport, SMB2_OP_CANCEL, 0x04, false, 0);
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r->transport->seqnum = old_seqnum;
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NT_STATUS_HAVE_NO_MEMORY(c);
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c->seqnum = 0;
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SIVAL(c->out.hdr, SMB2_HDR_FLAGS, 0x00000002);
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SSVAL(c->out.hdr, SMB2_HDR_CREDIT, 0x0030);
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SIVAL(c->out.hdr, SMB2_HDR_PID, r->cancel.pending_id);
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SBVAL(c->out.hdr, SMB2_HDR_MESSAGE_ID, c->seqnum);
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if (r->session) {
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SBVAL(c->out.hdr, SMB2_HDR_SESSION_ID, r->session->uid);
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}
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SSVAL(c->out.body, 0x02, 0);
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old_timeout = c->transport->options.request_timeout;
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c->transport->options.request_timeout = 0;
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smb2_transport_send(c);
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c->transport->options.request_timeout = old_timeout;
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if (c->state == SMB2_REQUEST_ERROR) {
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status = c->status;
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} else {
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status = NT_STATUS_OK;
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}
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talloc_free(c);
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return status;
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}
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