Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 122 insertions, 0 deletions

diff --git a/source4/libcli/raw/rawnotify.c b/source4/libcli/raw/rawnotify.c
new file mode 100644
index 0000000..dcb979b
--- /dev/null
+++ b/source4/libcli/raw/rawnotify.c
@@ -0,0 +1,122 @@
+/* 
+   Unix SMB/CIFS implementation.
+   client change notify operations
+   Copyright (C) Andrew Tridgell 2003
+   
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include <tevent.h>
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+
+/****************************************************************************
+change notify (async send)
+****************************************************************************/
+_PUBLIC_ struct smbcli_request *smb_raw_changenotify_send(struct smbcli_tree *tree, union smb_notify *parms)
+{
+	struct smb_nttrans nt;
+	uint8_t setup[8];
+
+	if (parms->nttrans.level != RAW_NOTIFY_NTTRANS) {
+		return NULL;
+	}
+
+	nt.in.max_setup = 0;
+	nt.in.max_param = parms->nttrans.in.buffer_size;
+	nt.in.max_data = 0;
+	nt.in.setup_count = 4;
+	nt.in.setup = setup;
+	SIVAL(setup, 0, parms->nttrans.in.completion_filter);
+	SSVAL(setup, 4, parms->nttrans.in.file.fnum);
+	SSVAL(setup, 6, parms->nttrans.in.recursive);	
+	nt.in.function = NT_TRANSACT_NOTIFY_CHANGE;
+	nt.in.params = data_blob(NULL, 0);
+	nt.in.data = data_blob(NULL, 0);
+
+	return smb_raw_nttrans_send(tree, &nt);
+}
+
+/****************************************************************************
+change notify (async recv)
+****************************************************************************/
+_PUBLIC_ NTSTATUS smb_raw_changenotify_recv(struct smbcli_request *req, 
+				   TALLOC_CTX *mem_ctx, union smb_notify *parms)
+{
+	struct smb_nttrans nt;
+	NTSTATUS status;
+	uint32_t ofs, i;
+	struct smbcli_session *session = req?req->session:NULL;
+
+	if (parms->nttrans.level != RAW_NOTIFY_NTTRANS) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	status = smb_raw_nttrans_recv(req, mem_ctx, &nt);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	parms->nttrans.out.changes = NULL;
+	parms->nttrans.out.num_changes = 0;
+
+	/* count them */
+	for (ofs=0; nt.out.params.length - ofs > 12; ) {
+		uint32_t next = IVAL(nt.out.params.data, ofs);
+		if (next % 4 != 0)
+			return NT_STATUS_INVALID_NETWORK_RESPONSE;
+		parms->nttrans.out.num_changes++;
+		if (next == 0 ||
+		    ofs + next >= nt.out.params.length) break;
+		ofs += next;
+	}
+
+	/* allocate array */
+	parms->nttrans.out.changes = talloc_array(mem_ctx, struct notify_changes, parms->nttrans.out.num_changes);
+	if (!parms->nttrans.out.changes) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=ofs=0; i<parms->nttrans.out.num_changes; i++) {
+		parms->nttrans.out.changes[i].action = IVAL(nt.out.params.data, ofs+4);
+		smbcli_blob_pull_string(session, mem_ctx, &nt.out.params, 
+					&parms->nttrans.out.changes[i].name, 
+					ofs+8, ofs+12, STR_UNICODE);
+		ofs += IVAL(nt.out.params.data, ofs);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Send a NT Cancel request - used to hurry along a pending request. Usually
+ used to cancel a pending change notify request
+ note that this request does not expect a response!
+****************************************************************************/
+NTSTATUS smb_raw_ntcancel(struct smbcli_request *oldreq)
+{
+	bool ok;
+
+	if (oldreq->subreqs[0] == NULL) {
+		return NT_STATUS_OK;
+	}
+
+	ok = tevent_req_cancel(oldreq->subreqs[0]);
+	if (!ok) {
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	return NT_STATUS_OK;
+}