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e6fa76b651
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13863 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
117 lines
3.1 KiB
C
117 lines
3.1 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/raw/raw_proto.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 notify request
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*/
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struct smb2_request *smb2_notify_send(struct smb2_tree *tree, struct smb2_notify *io)
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{
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struct smb2_request *req;
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uint32_t old_timeout;
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req = smb2_request_init_tree(tree, SMB2_OP_NOTIFY, 0x20, false, 0);
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if (req == NULL) return NULL;
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SSVAL(req->out.hdr, SMB2_HDR_CREDIT, 0x0030);
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SSVAL(req->out.body, 0x02, io->in.recursive);
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SIVAL(req->out.body, 0x04, io->in.buffer_size);
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smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
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SIVAL(req->out.body, 0x18, io->in.completion_filter);
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SIVAL(req->out.body, 0x1C, io->in.unknown);
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req->credit_charge = (MAX(io->in.buffer_size, 1) - 1)/ 65536 + 1;
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old_timeout = req->transport->options.request_timeout;
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req->transport->options.request_timeout = 0;
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smb2_transport_send(req);
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req->transport->options.request_timeout = old_timeout;
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return req;
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}
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/*
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recv a notify reply
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*/
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NTSTATUS smb2_notify_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
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struct smb2_notify *io)
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{
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NTSTATUS status;
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DATA_BLOB blob;
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uint32_t ofs, i;
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if (!smb2_request_receive(req) ||
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!smb2_request_is_ok(req)) {
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return smb2_request_destroy(req);
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}
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SMB2_CHECK_PACKET_RECV(req, 0x08, true);
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status = smb2_pull_o16s32_blob(&req->in, mem_ctx, req->in.body+0x02, &blob);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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io->out.changes = NULL;
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io->out.num_changes = 0;
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/* count them */
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for (ofs=0; blob.length - ofs > 12; ) {
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uint32_t next = IVAL(blob.data, ofs);
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io->out.num_changes++;
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if (next == 0 || (ofs + next) >= blob.length) break;
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ofs += next;
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}
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/* allocate array */
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io->out.changes = talloc_array(mem_ctx, struct notify_changes, io->out.num_changes);
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if (!io->out.changes) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=ofs=0; i<io->out.num_changes; i++) {
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io->out.changes[i].action = IVAL(blob.data, ofs+4);
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smbcli_blob_pull_string(NULL, mem_ctx, &blob,
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&io->out.changes[i].name,
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ofs+8, ofs+12, STR_UNICODE);
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ofs += IVAL(blob.data, ofs);
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}
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return smb2_request_destroy(req);
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}
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/*
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sync notify request
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*/
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NTSTATUS smb2_notify(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
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struct smb2_notify *io)
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{
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struct smb2_request *req = smb2_notify_send(tree, io);
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return smb2_notify_recv(req, mem_ctx, io);
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}
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