started adding SMB2 composite functions that emulate common SMB calls

(such as unlink)
(This used to be commit 433038f3fea60087bdca07dcc856d0be4a4753f3)

1 files changed, 122 insertions, 0 deletions

diff --git a/source4/libcli/smb_composite/smb2.c b/source4/libcli/smb_composite/smb2.c
new file mode 100644
index 0000000000..7bce65fb27
--- /dev/null
+++ b/source4/libcli/smb_composite/smb2.c
@@ -0,0 +1,122 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Andrew Tridgell 2008
+   
+   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/>.
+*/
+/*
+  a composite API for making SMB-like calls using SMB2. This is useful
+  as SMB2 often requires more than one requests where a single SMB
+  request would do. In converting code that uses SMB to use SMB2,
+  these routines make life a lot easier
+*/
+
+
+#include "includes.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "libcli/composite/composite.h"
+#include "libcli/smb_composite/smb_composite.h"
+#include "param/param.h"
+#include "libcli/smb2/smb2_calls.h"
+
+/*
+  continue after a SMB2 close
+ */
+static void continue_close(struct smb2_request *req)
+{
+	struct composite_context *ctx = talloc_get_type(req->async.private_data, 
+							struct composite_context);
+	NTSTATUS status;
+	struct smb2_close close_parm;
+
+	status = smb2_close_recv(req, &close_parm);
+	composite_error(ctx, status);	
+}
+
+/*
+  continue after the create in a composite unlink
+ */
+static void continue_unlink(struct smb2_request *req)
+{
+	struct composite_context *ctx = talloc_get_type(req->async.private_data, 
+							struct composite_context);
+	struct smb2_tree *tree = req->tree;
+	struct smb2_create create_parm;
+	struct smb2_close close_parm;
+	NTSTATUS status;
+
+	status = smb2_create_recv(req, ctx, &create_parm);
+	if (!NT_STATUS_IS_OK(status)) {
+		composite_error(ctx, status);
+		return;
+	}
+
+	ZERO_STRUCT(close_parm);
+	close_parm.in.file.handle = create_parm.out.file.handle;
+	
+	req = smb2_close_send(tree, &close_parm);
+	composite_continue_smb2(ctx, req, continue_close, ctx);
+}
+
+/*
+  composite SMB2 unlink call
+*/
+struct composite_context *smb2_composite_unlink_send(struct smb2_tree *tree, 
+						     union smb_unlink *io)
+{
+	struct composite_context *ctx;
+	struct smb2_create create_parm;
+	struct smb2_request *req;
+
+	ctx = composite_create(tree, tree->session->transport->socket->event.ctx);
+	if (ctx == NULL) return NULL;
+
+	/* check for wildcards - we could support these with a
+	   search, but for now they aren't necessary */
+	if (strpbrk(io->unlink.in.pattern, "*?<>") != NULL) {
+		composite_error(ctx, NT_STATUS_NOT_SUPPORTED);
+		return ctx;
+	}
+
+	ZERO_STRUCT(create_parm);
+	create_parm.in.desired_access     = SEC_STD_DELETE;
+	create_parm.in.create_disposition = NTCREATEX_DISP_OPEN;
+	create_parm.in.share_access = 
+		NTCREATEX_SHARE_ACCESS_DELETE|
+		NTCREATEX_SHARE_ACCESS_READ|
+		NTCREATEX_SHARE_ACCESS_WRITE;
+	create_parm.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE;
+	create_parm.in.fname = io->unlink.in.pattern;
+	if (create_parm.in.fname[0] == '\\') {
+		create_parm.in.fname++;
+	}
+
+	req = smb2_create_send(tree, &create_parm);
+
+	composite_continue_smb2(ctx, req, continue_unlink, ctx);
+	return ctx;
+}
+
+
+/*
+  composite unlink call - sync interface
+*/
+NTSTATUS smb2_composite_unlink(struct smb2_tree *tree, union smb_unlink *io)
+{
+	struct composite_context *c = smb2_composite_unlink_send(tree, io);
+	return composite_wait_free(c);
+}
+