diff options
Diffstat (limited to 'source4/libcli/smb2/cancel.c')
| -rw-r--r-- | source4/libcli/smb2/cancel.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/source4/libcli/smb2/cancel.c b/source4/libcli/smb2/cancel.c new file mode 100644 index 0000000000..bf48af7b00 --- /dev/null +++ b/source4/libcli/smb2/cancel.c @@ -0,0 +1,78 @@ +/* + Unix SMB/CIFS implementation. + + SMB2 client notify calls + + Copyright (C) Stefan Metzmacher 2006 + + 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 cancel request +*/ +NTSTATUS smb2_cancel(struct smb2_request *r) +{ + NTSTATUS status; + struct smb2_request *c; + uint32_t old_timeout; + uint64_t old_seqnum; + + /* + * if we don't get a pending id yet, we just + * mark the request for pending, so that we directly + * send the cancel after getting the pending id + */ + if (!r->cancel.can_cancel) { + r->cancel.do_cancel++; + return NT_STATUS_OK; + } + + /* we don't want a seqmun for a SMB2 Cancel */ + old_seqnum = r->transport->seqnum; + c = smb2_request_init(r->transport, SMB2_OP_CANCEL, 0x04, False, 0); + r->transport->seqnum = old_seqnum; + NT_STATUS_HAVE_NO_MEMORY(c); + c->seqnum = 0; + + SIVAL(c->out.hdr, SMB2_HDR_FLAGS, 0x00000002); + SSVAL(c->out.hdr, SMB2_HDR_UNKNOWN1, 0x0030); + SIVAL(c->out.hdr, SMB2_HDR_PID, r->cancel.pending_id); + SBVAL(c->out.hdr, SMB2_HDR_SEQNUM, c->seqnum); + if (r->session) { + SBVAL(c->out.hdr, SMB2_HDR_UID, r->session->uid); + } + + SSVAL(c->out.body, 0x02, 0); + + old_timeout = c->transport->options.timeout; + c->transport->options.timeout = 0; + smb2_transport_send(c); + c->transport->options.timeout = old_timeout; + + if (c->state == SMB2_REQUEST_ERROR) { + status = c->status; + } else { + status = NT_STATUS_OK; + } + + talloc_free(c); + return status; +} |