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, 116 insertions, 0 deletions

diff --git a/source4/libcli/smb2/notify.c b/source4/libcli/smb2/notify.c
new file mode 100644
index 0000000..6786a70
--- /dev/null
+++ b/source4/libcli/smb2/notify.c
@@ -0,0 +1,116 @@
+/* 
+   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 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 "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+
+/*
+  send a notify request
+*/
+struct smb2_request *smb2_notify_send(struct smb2_tree *tree, struct smb2_notify *io)
+{
+	struct smb2_request *req;
+	uint32_t old_timeout;
+
+	req = smb2_request_init_tree(tree, SMB2_OP_NOTIFY, 0x20, false, 0);
+	if (req == NULL) return NULL;
+
+	SSVAL(req->out.hdr,  SMB2_HDR_CREDIT,	0x0030);
+
+	SSVAL(req->out.body, 0x02, io->in.recursive);
+	SIVAL(req->out.body, 0x04, io->in.buffer_size);
+	smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
+	SIVAL(req->out.body, 0x18, io->in.completion_filter);
+	SIVAL(req->out.body, 0x1C, io->in.unknown);
+
+	req->credit_charge = (MAX(io->in.buffer_size, 1) - 1)/ 65536 + 1;
+
+	old_timeout = req->transport->options.request_timeout;
+	req->transport->options.request_timeout = 0;
+	smb2_transport_send(req);
+	req->transport->options.request_timeout = old_timeout;
+
+	return req;
+}
+
+
+/*
+  recv a notify reply
+*/
+NTSTATUS smb2_notify_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
+			  struct smb2_notify *io)
+{
+	NTSTATUS status;
+	DATA_BLOB blob;
+	uint32_t ofs, i;
+
+	if (!smb2_request_receive(req) || 
+	    !smb2_request_is_ok(req)) {
+		return smb2_request_destroy(req);
+	}
+
+	SMB2_CHECK_PACKET_RECV(req, 0x08, true);
+
+	status = smb2_pull_o16s32_blob(&req->in, mem_ctx, req->in.body+0x02, &blob);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	io->out.changes = NULL;
+	io->out.num_changes = 0;
+
+	/* count them */
+	for (ofs=0; blob.length - ofs > 12; ) {
+		uint32_t next = IVAL(blob.data, ofs);
+		io->out.num_changes++;
+		if (next == 0 || (ofs + next) >= blob.length) break;
+		ofs += next;
+	}
+
+	/* allocate array */
+	io->out.changes = talloc_array(mem_ctx, struct notify_changes, io->out.num_changes);
+	if (!io->out.changes) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=ofs=0; i<io->out.num_changes; i++) {
+		io->out.changes[i].action = IVAL(blob.data, ofs+4);
+		smbcli_blob_pull_string(NULL, mem_ctx, &blob,
+					&io->out.changes[i].name,
+					ofs+8, ofs+12, STR_UNICODE);
+		ofs += IVAL(blob.data, ofs);
+	}
+
+	return smb2_request_destroy(req);
+}
+
+/*
+  sync notify request
+*/
+NTSTATUS smb2_notify(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
+		     struct smb2_notify *io)
+{
+	struct smb2_request *req = smb2_notify_send(tree, io);
+	return smb2_notify_recv(req, mem_ctx, io);
+}