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/*
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);
}
/*
continue after the create in a composite mkdir
*/
static void continue_mkdir(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 mkdir call
*/
struct composite_context *smb2_composite_mkdir_send(struct smb2_tree *tree,
union smb_mkdir *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;
ZERO_STRUCT(create_parm);
create_parm.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED;
create_parm.in.share_access =
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
create_parm.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
create_parm.in.create_disposition = NTCREATEX_DISP_CREATE;
create_parm.in.fname = io->mkdir.in.path;
if (create_parm.in.fname[0] == '\\') {
create_parm.in.fname++;
}
req = smb2_create_send(tree, &create_parm);
composite_continue_smb2(ctx, req, continue_mkdir, ctx);
return ctx;
}
/*
composite mkdir call - sync interface
*/
NTSTATUS smb2_composite_mkdir(struct smb2_tree *tree, union smb_mkdir *io)
{
struct composite_context *c = smb2_composite_mkdir_send(tree, io);
return composite_wait_free(c);
}
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