first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 687 insertions, 0 deletions

diff --git a/source4/libcli/raw/rawfile.c b/source4/libcli/raw/rawfile.c
new file mode 100644
index 0000000000..279dfcf0c1
--- /dev/null
+++ b/source4/libcli/raw/rawfile.c
@@ -0,0 +1,687 @@
+/* 
+   Unix SMB/CIFS implementation.
+   client file operations
+   Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) Jeremy Allison 2001-2002
+   Copyright (C) James Myers 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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#define SETUP_REQUEST(cmd, wct, buflen) do { \
+	req = cli_request_setup(tree, cmd, wct, buflen); \
+	if (!req) return NULL; \
+} while (0)
+
+
+/****************************************************************************
+ Rename a file - async interface
+****************************************************************************/
+struct cli_request *smb_raw_rename_send(struct cli_tree *tree,
+					struct smb_rename *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBmv, 1, 0);
+	
+	SSVAL(req->out.vwv, VWV(0), parms->in.attrib);
+	
+	cli_req_append_ascii4(req, parms->in.pattern1, STR_TERMINATE);
+	cli_req_append_ascii4(req, parms->in.pattern2, STR_TERMINATE);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Rename a file - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_rename(struct cli_tree *tree,
+			struct smb_rename *parms)
+{
+	struct cli_request *req = smb_raw_rename_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+/****************************************************************************
+ Delete a file - async interface
+****************************************************************************/
+struct cli_request *smb_raw_unlink_send(struct cli_tree *tree,
+					struct smb_unlink *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBunlink, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), parms->in.attrib);
+	cli_req_append_ascii4(req, parms->in.pattern, STR_TERMINATE);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+	return req;
+}
+
+/*
+  delete a file - sync interface
+*/
+NTSTATUS smb_raw_unlink(struct cli_tree *tree,
+			struct smb_unlink *parms)
+{
+	struct cli_request *req = smb_raw_unlink_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+/****************************************************************************
+ create a directory  using TRANSACT2_MKDIR - async interface
+****************************************************************************/
+static struct cli_request *smb_raw_t2mkdir_send(struct cli_tree *tree, 
+						union smb_mkdir *parms)
+{
+	struct smb_trans2 t2;
+	uint16 setup = TRANSACT2_MKDIR;
+	TALLOC_CTX *mem_ctx;
+	struct cli_request *req;
+	uint16 data_total;
+
+	mem_ctx = talloc_init("t2mkdir");
+
+	data_total = ea_list_size(parms->t2mkdir.in.num_eas, parms->t2mkdir.in.eas);
+
+	t2.in.max_param = 0;
+	t2.in.max_data = 0;
+	t2.in.max_setup = 0;
+	t2.in.flags = 0;
+	t2.in.timeout = 0;
+	t2.in.setup_count = 1;
+	t2.in.setup = &setup;
+	t2.in.params = data_blob_talloc(mem_ctx, NULL, 4);
+	t2.in.data = data_blob_talloc(mem_ctx, NULL, data_total);
+
+	SIVAL(t2.in.params.data, VWV(0), 0); /* reserved */
+
+	cli_blob_append_string(tree->session, mem_ctx, 
+			       &t2.in.params, parms->t2mkdir.in.path, 0);
+
+	ea_put_list(t2.in.data.data, parms->t2mkdir.in.num_eas, parms->t2mkdir.in.eas);
+
+	req = smb_raw_trans2_send(tree, &t2);
+
+	talloc_destroy(mem_ctx);
+
+	return req;
+}
+
+/****************************************************************************
+ Create a directory - async interface
+****************************************************************************/
+struct cli_request *smb_raw_mkdir_send(struct cli_tree *tree,
+				       union smb_mkdir *parms)
+{
+	struct cli_request *req; 
+
+	if (parms->generic.level == RAW_MKDIR_T2MKDIR) {
+		return smb_raw_t2mkdir_send(tree, parms);
+	}
+
+	if (parms->generic.level != RAW_MKDIR_MKDIR) {
+		return NULL;
+	}
+
+	SETUP_REQUEST(SMBmkdir, 0, 0);
+	
+	cli_req_append_ascii4(req, parms->mkdir.in.path, STR_TERMINATE);
+
+	if (!cli_request_send(req)) {
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Create a directory - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_mkdir(struct cli_tree *tree,
+		       union smb_mkdir *parms)
+{
+	struct cli_request *req = smb_raw_mkdir_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+/****************************************************************************
+ Remove a directory - async interface
+****************************************************************************/
+struct cli_request *smb_raw_rmdir_send(struct cli_tree *tree,
+				       struct smb_rmdir *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBrmdir, 0, 0);
+	
+	cli_req_append_ascii4(req, parms->in.path, STR_TERMINATE);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Remove a directory - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_rmdir(struct cli_tree *tree,
+		       struct smb_rmdir *parms)
+{
+	struct cli_request *req = smb_raw_rmdir_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+/****************************************************************************
+ Open a file using TRANSACT2_OPEN - async send 
+****************************************************************************/
+static struct cli_request *smb_raw_t2open_send(struct cli_tree *tree, 
+					       union smb_open *parms)
+{
+	struct smb_trans2 t2;
+	uint16 setup = TRANSACT2_OPEN;
+	TALLOC_CTX *mem_ctx = talloc_init("smb_raw_t2open");
+	struct cli_request *req;
+	uint16 list_size;
+
+	list_size = ea_list_size(parms->t2open.in.num_eas, parms->t2open.in.eas);
+
+	t2.in.max_param = 30;
+	t2.in.max_data = 0;
+	t2.in.max_setup = 0;
+	t2.in.flags = 0;
+	t2.in.timeout = 0;
+	t2.in.setup_count = 1;
+	t2.in.setup = &setup;
+	t2.in.params = data_blob_talloc(mem_ctx, NULL, 28);
+	t2.in.data = data_blob_talloc(mem_ctx, NULL, list_size);
+
+	SSVAL(t2.in.params.data, VWV(0), parms->t2open.in.flags);
+	SSVAL(t2.in.params.data, VWV(1), parms->t2open.in.open_mode);
+	SSVAL(t2.in.params.data, VWV(2), 0); /* reserved */
+	SSVAL(t2.in.params.data, VWV(3), parms->t2open.in.file_attrs);
+	put_dos_date(t2.in.params.data, VWV(4), parms->t2open.in.write_time);
+	SSVAL(t2.in.params.data, VWV(6), parms->t2open.in.open_func);
+	SIVAL(t2.in.params.data, VWV(7), parms->t2open.in.size);
+	SIVAL(t2.in.params.data, VWV(9), parms->t2open.in.timeout);
+	SIVAL(t2.in.params.data, VWV(11), 0);
+	SSVAL(t2.in.params.data, VWV(13), 0);
+
+	cli_blob_append_string(tree->session, mem_ctx, 
+			       &t2.in.params, parms->t2open.in.fname, 
+			       STR_TERMINATE);
+
+	ea_put_list(t2.in.data.data, parms->t2open.in.num_eas, parms->t2open.in.eas);
+
+	req = smb_raw_trans2_send(tree, &t2);
+
+	talloc_destroy(mem_ctx);
+
+	return req;
+}
+
+
+/****************************************************************************
+ Open a file using TRANSACT2_OPEN - async recv
+****************************************************************************/
+static NTSTATUS smb_raw_t2open_recv(struct cli_request *req, TALLOC_CTX *mem_ctx, union smb_open *parms)
+{
+	struct smb_trans2 t2;
+	NTSTATUS status;
+
+	status = smb_raw_trans2_recv(req, mem_ctx, &t2);
+	if (!NT_STATUS_IS_OK(status)) return status;
+
+	if (t2.out.params.length < 30) {
+		return NT_STATUS_INFO_LENGTH_MISMATCH;
+	}
+
+	parms->t2open.out.fnum =        SVAL(t2.out.params.data, VWV(0));
+	parms->t2open.out.attrib =      SVAL(t2.out.params.data, VWV(1));
+	parms->t2open.out.write_time = make_unix_date3(t2.out.params.data + VWV(2));
+	parms->t2open.out.size =        IVAL(t2.out.params.data, VWV(4));
+	parms->t2open.out.access =      SVAL(t2.out.params.data, VWV(6));
+	parms->t2open.out.ftype =       SVAL(t2.out.params.data, VWV(7));
+	parms->t2open.out.devstate =    SVAL(t2.out.params.data, VWV(8));
+	parms->t2open.out.action =      SVAL(t2.out.params.data, VWV(9));
+	parms->t2open.out.unknown =     SVAL(t2.out.params.data, VWV(10));
+
+	return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Open a file - async send
+****************************************************************************/
+struct cli_request *smb_raw_open_send(struct cli_tree *tree, union smb_open *parms)
+{
+	int len;
+	struct cli_request *req = NULL; 
+
+	switch (parms->open.level) {
+	case RAW_OPEN_T2OPEN:
+		return smb_raw_t2open_send(tree, parms);
+
+	case RAW_OPEN_OPEN:
+		SETUP_REQUEST(SMBopen, 2, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->open.in.flags);
+		SSVAL(req->out.vwv, VWV(1), parms->open.in.search_attrs);
+		cli_req_append_ascii4(req, parms->open.in.fname, STR_TERMINATE);
+		break;
+		
+	case RAW_OPEN_OPENX:
+		SETUP_REQUEST(SMBopenX, 15, 0);
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), parms->openx.in.flags);
+		SSVAL(req->out.vwv, VWV(3), parms->openx.in.open_mode);
+		SSVAL(req->out.vwv, VWV(4), parms->openx.in.search_attrs);
+		SSVAL(req->out.vwv, VWV(5), parms->openx.in.file_attrs);
+		put_dos_date3(req->out.vwv, VWV(6), parms->openx.in.write_time);
+		SSVAL(req->out.vwv, VWV(8), parms->openx.in.open_func);
+		SIVAL(req->out.vwv, VWV(9), parms->openx.in.size);
+		SIVAL(req->out.vwv, VWV(11),parms->openx.in.timeout);
+		SIVAL(req->out.vwv, VWV(13),0); /* reserved */
+		cli_req_append_string(req, parms->openx.in.fname, STR_TERMINATE);
+		break;
+		
+	case RAW_OPEN_MKNEW:
+		SETUP_REQUEST(SMBmknew, 3, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->mknew.in.attrib);
+		put_dos_date3(req->out.vwv, VWV(1), parms->mknew.in.write_time);
+		cli_req_append_ascii4(req, parms->mknew.in.fname, STR_TERMINATE);
+		break;
+		
+	case RAW_OPEN_CTEMP:
+		SETUP_REQUEST(SMBctemp, 3, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->ctemp.in.attrib);
+		put_dos_date3(req->out.vwv, VWV(1), parms->ctemp.in.write_time);
+		cli_req_append_ascii4(req, parms->ctemp.in.directory, STR_TERMINATE);
+		break;
+		
+	case RAW_OPEN_SPLOPEN:
+		SETUP_REQUEST(SMBsplopen, 2, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->splopen.in.setup_length);
+		SSVAL(req->out.vwv, VWV(1), parms->splopen.in.mode);
+		break;
+		
+	case RAW_OPEN_NTCREATEX:
+		SETUP_REQUEST(SMBntcreateX, 24, 0);
+		SSVAL(req->out.vwv, VWV(0),SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1),0);
+		SCVAL(req->out.vwv, VWV(2),0); /* padding */
+		SIVAL(req->out.vwv,  7, parms->ntcreatex.in.flags);
+		SIVAL(req->out.vwv, 11, parms->ntcreatex.in.root_fid);
+		SIVAL(req->out.vwv, 15, parms->ntcreatex.in.access_mask);
+		SBVAL(req->out.vwv, 19, parms->ntcreatex.in.alloc_size);
+		SIVAL(req->out.vwv, 27, parms->ntcreatex.in.file_attr);
+		SIVAL(req->out.vwv, 31, parms->ntcreatex.in.share_access);
+		SIVAL(req->out.vwv, 35, parms->ntcreatex.in.open_disposition);
+		SIVAL(req->out.vwv, 39, parms->ntcreatex.in.create_options);
+		SIVAL(req->out.vwv, 43, parms->ntcreatex.in.impersonation);
+		SCVAL(req->out.vwv, 47, parms->ntcreatex.in.security_flags);
+		
+		cli_req_append_string_len(req, parms->ntcreatex.in.fname, STR_TERMINATE, &len);
+		SSVAL(req->out.vwv, 5, len);
+		break;
+	}
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Open a file - async recv
+****************************************************************************/
+NTSTATUS smb_raw_open_recv(struct cli_request *req, TALLOC_CTX *mem_ctx, union smb_open *parms)
+{
+	if (!cli_request_receive(req) ||
+	    cli_request_is_error(req)) {
+		goto failed;
+	}
+
+	switch (parms->open.level) {
+	case RAW_OPEN_T2OPEN:
+		return smb_raw_t2open_recv(req, mem_ctx, parms);
+
+	case RAW_OPEN_OPEN:
+		CLI_CHECK_WCT(req, 7);
+		parms->open.out.fnum = SVAL(req->in.vwv, VWV(0));
+		parms->open.out.attrib = SVAL(req->in.vwv, VWV(1));
+		parms->open.out.write_time = make_unix_date3(req->in.vwv + VWV(2));
+		parms->open.out.size = IVAL(req->in.vwv, VWV(4));
+		parms->open.out.rmode = SVAL(req->in.vwv, VWV(6));
+		break;
+
+	case RAW_OPEN_OPENX:
+		CLI_CHECK_MIN_WCT(req, 15);
+		parms->openx.out.fnum = SVAL(req->in.vwv, VWV(2));
+		parms->openx.out.attrib = SVAL(req->in.vwv, VWV(3));
+		parms->openx.out.write_time = make_unix_date3(req->in.vwv + VWV(4));
+		parms->openx.out.size = IVAL(req->in.vwv, VWV(6));
+		parms->openx.out.access = SVAL(req->in.vwv, VWV(8));
+		parms->openx.out.ftype = SVAL(req->in.vwv, VWV(9));
+		parms->openx.out.devstate = SVAL(req->in.vwv, VWV(10));
+		parms->openx.out.action = SVAL(req->in.vwv, VWV(11));
+		parms->openx.out.unique_fid = IVAL(req->in.vwv, VWV(12));
+		if (req->in.wct >= 19) {
+			parms->openx.out.access_mask = IVAL(req->in.vwv, VWV(15));
+			parms->openx.out.unknown =     IVAL(req->in.vwv, VWV(17));
+		} else {
+			parms->openx.out.access_mask = 0;
+			parms->openx.out.unknown = 0;
+		}
+		break;
+
+	case RAW_OPEN_MKNEW:
+		CLI_CHECK_WCT(req, 1);
+		parms->mknew.out.fnum = SVAL(req->in.vwv, VWV(0));
+		break;
+
+	case RAW_OPEN_CTEMP:
+		CLI_CHECK_WCT(req, 1);
+		parms->ctemp.out.fnum = SVAL(req->in.vwv, VWV(0));
+		cli_req_pull_string(req, mem_ctx, &parms->ctemp.out.name, req->in.data, -1, STR_TERMINATE | STR_ASCII);
+		break;
+
+	case RAW_OPEN_SPLOPEN:
+		CLI_CHECK_WCT(req, 1);
+		parms->splopen.out.fnum = SVAL(req->in.vwv, VWV(0));
+		break;
+
+	case RAW_OPEN_NTCREATEX:
+		CLI_CHECK_MIN_WCT(req, 34);
+		parms->ntcreatex.out.oplock_level =              CVAL(req->in.vwv, 4);
+		parms->ntcreatex.out.fnum =                      SVAL(req->in.vwv, 5);
+		parms->ntcreatex.out.create_action =             IVAL(req->in.vwv, 7);
+		parms->ntcreatex.out.create_time =   cli_pull_nttime(req->in.vwv, 11);
+		parms->ntcreatex.out.access_time =   cli_pull_nttime(req->in.vwv, 19);
+		parms->ntcreatex.out.write_time =    cli_pull_nttime(req->in.vwv, 27);
+		parms->ntcreatex.out.change_time =   cli_pull_nttime(req->in.vwv, 35);
+		parms->ntcreatex.out.attrib =                   IVAL(req->in.vwv, 43);
+		parms->ntcreatex.out.alloc_size =               BVAL(req->in.vwv, 47);
+		parms->ntcreatex.out.size =                     BVAL(req->in.vwv, 55);
+		parms->ntcreatex.out.file_type =                SVAL(req->in.vwv, 63);
+		parms->ntcreatex.out.ipc_state =                SVAL(req->in.vwv, 65);
+		parms->ntcreatex.out.is_directory =             CVAL(req->in.vwv, 67);
+		break;
+	}
+
+failed:
+	return cli_request_destroy(req);
+}
+
+
+/****************************************************************************
+ Open a file - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_open(struct cli_tree *tree, TALLOC_CTX *mem_ctx, union smb_open *parms)
+{
+	struct cli_request *req = smb_raw_open_send(tree, parms);
+	return smb_raw_open_recv(req, mem_ctx, parms);
+}
+
+
+/****************************************************************************
+ Close a file - async send
+****************************************************************************/
+struct cli_request *smb_raw_close_send(struct cli_tree *tree, union smb_close *parms)
+{
+	struct cli_request *req; 
+
+	switch (parms->generic.level) {
+	case RAW_CLOSE_GENERIC:
+		return NULL;
+
+	case RAW_CLOSE_CLOSE:
+		SETUP_REQUEST(SMBclose, 3, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->close.in.fnum);
+		put_dos_date3(req->out.vwv, VWV(1), parms->close.in.write_time);
+		break;
+
+	case RAW_CLOSE_SPLCLOSE:
+		SETUP_REQUEST(SMBsplclose, 3, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->splclose.in.fnum);
+		SIVAL(req->out.vwv, VWV(1), 0); /* reserved */
+		break;
+	}
+
+	if (!req) return NULL;
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+
+/****************************************************************************
+ Close a file - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_close(struct cli_tree *tree, union smb_close *parms)
+{
+	struct cli_request *req = smb_raw_close_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+/****************************************************************************
+ Locking calls - async interface
+****************************************************************************/
+struct cli_request *smb_raw_lock_send(struct cli_tree *tree, union smb_lock *parms)
+{
+	struct cli_request *req; 
+
+	switch (parms->generic.level) {
+	case RAW_LOCK_GENERIC:
+		return NULL;
+
+	case RAW_LOCK_LOCK:
+		SETUP_REQUEST(SMBlock, 5, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->lock.in.fnum);
+		SIVAL(req->out.vwv, VWV(1), parms->lock.in.count);
+		SIVAL(req->out.vwv, VWV(3), parms->lock.in.offset);
+		break;
+		
+	case RAW_LOCK_UNLOCK:
+		SETUP_REQUEST(SMBunlock, 5, 0);
+		SSVAL(req->out.vwv, VWV(0), parms->unlock.in.fnum);
+		SIVAL(req->out.vwv, VWV(1), parms->unlock.in.count);
+		SIVAL(req->out.vwv, VWV(3), parms->unlock.in.offset);
+		break;
+		
+	case RAW_LOCK_LOCKX: {
+		struct smb_lock_entry *lockp;
+		uint_t lck_size = (parms->lockx.in.mode & LOCKING_ANDX_LARGE_FILES)? 20 : 10;
+		uint_t lock_count = parms->lockx.in.ulock_cnt + parms->lockx.in.lock_cnt;
+		int i;
+
+		SETUP_REQUEST(SMBlockingX, 8, lck_size * lock_count);
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), parms->lockx.in.fnum);
+		SSVAL(req->out.vwv, VWV(3), parms->lockx.in.mode);
+		SIVAL(req->out.vwv, VWV(4), parms->lockx.in.timeout);
+		SSVAL(req->out.vwv, VWV(6), parms->lockx.in.ulock_cnt);
+		SSVAL(req->out.vwv, VWV(7), parms->lockx.in.lock_cnt);
+		
+		/* copy in all the locks */
+		lockp = &parms->lockx.in.locks[0];
+		for (i = 0; i < lock_count; i++) {
+			char *p = req->out.data + lck_size * i;
+			SSVAL(p, 0, lockp[i].pid);
+			if (parms->lockx.in.mode & LOCKING_ANDX_LARGE_FILES) {
+				SSVAL(p,  2, 0); /* reserved */
+				SIVAL(p,  4, lockp[i].offset>>32);
+				SIVAL(p,  8, lockp[i].offset);
+				SIVAL(p, 12, lockp[i].count>>32);
+				SIVAL(p, 16, lockp[i].count);
+			} else {
+				SIVAL(p, 2, lockp[i].offset);
+				SIVAL(p, 6, lockp[i].count);
+			}
+		}	
+	}
+	}
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Locking calls - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_lock(struct cli_tree *tree, union smb_lock *parms)
+{
+	struct cli_request *req = smb_raw_lock_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+	
+
+/****************************************************************************
+ Check for existence of a dir - async send
+****************************************************************************/
+struct cli_request *smb_raw_chkpath_send(struct cli_tree *tree, struct smb_chkpath *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBchkpth, 0, 0);
+
+	cli_req_append_ascii4(req, parms->in.path, STR_TERMINATE);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Check for existence of a dir - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_chkpath(struct cli_tree *tree, struct smb_chkpath *parms)
+{
+	struct cli_request *req = smb_raw_chkpath_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+
+
+/****************************************************************************
+ flush a file - async send
+ a flush to fnum 0xFFFF will flush all files
+****************************************************************************/
+struct cli_request *smb_raw_flush_send(struct cli_tree *tree, struct smb_flush *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBflush, 1, 0);
+	SSVAL(req->out.vwv, VWV(0), parms->in.fnum);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+
+/****************************************************************************
+ flush a file - sync interface
+****************************************************************************/
+NTSTATUS smb_raw_flush(struct cli_tree *tree, struct smb_flush *parms)
+{
+	struct cli_request *req = smb_raw_flush_send(tree, parms);
+	return cli_request_simple_recv(req);
+}
+
+
+/****************************************************************************
+ seek a file - async send
+****************************************************************************/
+struct cli_request *smb_raw_seek_send(struct cli_tree *tree,
+				      struct smb_seek *parms)
+{
+	struct cli_request *req; 
+
+	SETUP_REQUEST(SMBlseek, 4, 0);
+
+	SSVAL(req->out.vwv, VWV(0), parms->in.fnum);
+	SSVAL(req->out.vwv, VWV(1), parms->in.mode);
+	SIVALS(req->out.vwv, VWV(2), parms->in.offset);
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+	return req;
+}
+
+/****************************************************************************
+ seek a file - async receive
+****************************************************************************/
+NTSTATUS smb_raw_seek_recv(struct cli_request *req,
+				      struct smb_seek *parms)
+{
+	if (!cli_request_receive(req) ||
+	    cli_request_is_error(req)) {
+		return cli_request_destroy(req);
+	}
+
+	CLI_CHECK_WCT(req, 2);	
+	parms->out.offset = IVAL(req->in.vwv, VWV(0));
+
+failed:	
+	return cli_request_destroy(req);
+}
+
+/*
+  seek a file - sync interface
+*/
+NTSTATUS smb_raw_seek(struct cli_tree *tree,
+		      struct smb_seek *parms)
+{
+	struct cli_request *req = smb_raw_seek_send(tree, parms);
+	return smb_raw_seek_recv(req, parms);
+}