/* 
   Unix SMB/CIFS implementation.
   RAW_SFILEINFO_* calls
   Copyright (C) James Myers 2003
   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 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"

/****************************************************************************
 Handle setfileinfo/setpathinfo trans2 backend.
****************************************************************************/
static BOOL smb_raw_setinfo_backend(struct cli_tree *tree,
				    TALLOC_CTX *mem_ctx,
				    union smb_setfileinfo *parms, 
				    DATA_BLOB *blob)
{	
	uint_t len;

#define NEED_BLOB(n) do { \
	  *blob = data_blob_talloc(mem_ctx, NULL, n); \
	  if (blob->data == NULL) return False; \
        } while (0)

	switch (parms->generic.level) {
	case RAW_SFILEINFO_GENERIC:
	case RAW_SFILEINFO_SETATTR:
	case RAW_SFILEINFO_SETATTRE:
		/* not handled here */
		return False;

	case RAW_SFILEINFO_STANDARD:
		NEED_BLOB(12);
		raw_push_dos_date2(tree->session->transport, 
				  blob->data, 0, parms->standard.in.create_time);
		raw_push_dos_date2(tree->session->transport, 
				  blob->data, 4, parms->standard.in.access_time);
		raw_push_dos_date2(tree->session->transport, 
				  blob->data, 8, parms->standard.in.write_time);
		return True;

	case RAW_SFILEINFO_EA_SET:
		NEED_BLOB(ea_list_size(1, &parms->ea_set.in.ea));
		ea_put_list(blob->data, 1, &parms->ea_set.in.ea);
		return True;

	case RAW_SFILEINFO_BASIC_INFO:
	case RAW_SFILEINFO_BASIC_INFORMATION:
		NEED_BLOB(40);
		cli_push_nttime(blob->data,  0, parms->basic_info.in.create_time);
		cli_push_nttime(blob->data,  8, parms->basic_info.in.access_time);
		cli_push_nttime(blob->data, 16, parms->basic_info.in.write_time);
		cli_push_nttime(blob->data, 24, parms->basic_info.in.change_time);
		SIVAL(blob->data,           32, parms->basic_info.in.attrib);
		SIVAL(blob->data,           36, 0); /* padding */
		return True;

	case RAW_SFILEINFO_UNIX_BASIC:
		NEED_BLOB(92);
		SBVAL(blob->data, 0, parms->unix_basic.in.end_of_file);
		SBVAL(blob->data, 8, parms->unix_basic.in.num_bytes);
		cli_push_nttime(blob->data, 16, parms->unix_basic.in.status_change_time);
		cli_push_nttime(blob->data, 24, parms->unix_basic.in.access_time);
		cli_push_nttime(blob->data, 32, parms->unix_basic.in.change_time);
		SBVAL(blob->data, 40, parms->unix_basic.in.uid);
		SBVAL(blob->data, 48, parms->unix_basic.in.gid);
		SIVAL(blob->data, 56, parms->unix_basic.in.file_type);
		SBVAL(blob->data, 60, parms->unix_basic.in.dev_major);
		SBVAL(blob->data, 68, parms->unix_basic.in.dev_minor);
		SBVAL(blob->data, 76, parms->unix_basic.in.unique_id);
		SBVAL(blob->data, 84, parms->unix_basic.in.nlink);
		return True;

	case RAW_SFILEINFO_DISPOSITION_INFO:
	case RAW_SFILEINFO_DISPOSITION_INFORMATION:
		NEED_BLOB(4);
		SIVAL(blob->data, 0, parms->disposition_info.in.delete_on_close);
		return True;

	case RAW_SFILEINFO_ALLOCATION_INFO:
	case RAW_SFILEINFO_ALLOCATION_INFORMATION:
		NEED_BLOB(8);
		SBVAL(blob->data, 0, parms->allocation_info.in.alloc_size);
		return True;

	case RAW_SFILEINFO_END_OF_FILE_INFO:
	case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
		NEED_BLOB(8);
		SBVAL(blob->data, 0, parms->end_of_file_info.in.size);
		return True;

	case RAW_SFILEINFO_RENAME_INFORMATION:
		NEED_BLOB(12);
		SIVAL(blob->data, 0, parms->rename_information.in.overwrite);
		SIVAL(blob->data, 4, parms->rename_information.in.root_fid);
		len = cli_blob_append_string(tree->session, mem_ctx, blob,
					     parms->rename_information.in.new_name, 
					     STR_UNICODE|STR_TERMINATE);
		SIVAL(blob->data, 8, len - 2);
		return True;

	case RAW_SFILEINFO_POSITION_INFORMATION:
		NEED_BLOB(8);
		SBVAL(blob->data, 0, parms->position_information.in.position);
		return True;

	case RAW_SFILEINFO_MODE_INFORMATION:
		NEED_BLOB(4);
		SIVAL(blob->data, 0, parms->mode_information.in.mode);
		return True;
	}

	return False;
}

/****************************************************************************
 Very raw set file info - takes data blob (async send)
****************************************************************************/
static struct cli_request *smb_raw_setfileinfo_blob_send(struct cli_tree *tree,
							 TALLOC_CTX *mem_ctx,
							 uint16 fnum,
							 uint16 info_level,
							 DATA_BLOB *blob)
{
	struct smb_trans2 tp;
	uint16 setup = TRANSACT2_SETFILEINFO;
	
	tp.in.max_setup = 0;
	tp.in.flags = 0; 
	tp.in.timeout = 0;
	tp.in.setup_count = 1;
	tp.in.max_param = 2;
	tp.in.max_data = 0;
	tp.in.setup = &setup;
	
	tp.in.params = data_blob_talloc(mem_ctx, NULL, 6);
	if (!tp.in.params.data) {
		return NULL;
	}
	SSVAL(tp.in.params.data, 0, fnum);
	SSVAL(tp.in.params.data, 2, info_level);
	SSVAL(tp.in.params.data, 4, 0); /* reserved */

	tp.in.data = *blob;

	return smb_raw_trans2_send(tree, &tp);
}

/****************************************************************************
 Very raw set path info - takes data blob
****************************************************************************/
static struct cli_request *smb_raw_setpathinfo_blob_send(struct cli_tree *tree,
							 TALLOC_CTX *mem_ctx,
							 const char *fname,
							 uint16 info_level,
							 DATA_BLOB *blob)
{
	struct smb_trans2 tp;
	uint16 setup = TRANSACT2_SETPATHINFO;
	
	tp.in.max_setup = 0;
	tp.in.flags = 0; 
	tp.in.timeout = 0;
	tp.in.setup_count = 1;
	tp.in.max_param = 2;
	tp.in.max_data = 0;
	tp.in.setup = &setup;
	
	tp.in.params = data_blob_talloc(mem_ctx, NULL, 4);
	if (!tp.in.params.data) {
		return NULL;
	}
	SSVAL(tp.in.params.data, 0, info_level);
	SSVAL(tp.in.params.data, 2, 0);
	cli_blob_append_string(tree->session, mem_ctx, 
			       &tp.in.params,
			       fname, STR_TERMINATE);

	tp.in.data = *blob;

	return smb_raw_trans2_send(tree, &tp);
}
		
/****************************************************************************
 Handle setattr (async send)
****************************************************************************/
static struct cli_request *smb_raw_setattr_send(struct cli_tree *tree,
						union smb_setfileinfo *parms)
{
	struct cli_request *req;

	req = cli_request_setup(tree, SMBsetatr, 8, 0);
	if (!req) return NULL;
	
	SSVAL(req->out.vwv,         VWV(0), parms->setattr.in.attrib);
	raw_push_dos_date3(tree->session->transport, 
			  req->out.vwv, VWV(1), parms->setattr.in.write_time);
	memset(req->out.vwv + VWV(3), 0, 10); /* reserved */
	cli_req_append_ascii4(req, parms->setattr.file.fname, STR_TERMINATE);
	cli_req_append_ascii4(req, "", STR_TERMINATE);
	
	if (!cli_request_send(req)) {
		cli_request_destroy(req);
		return NULL;
	}

	return req;
}
		
/****************************************************************************
 Handle setattrE. (async send)
****************************************************************************/
static struct cli_request *smb_raw_setattrE_send(struct cli_tree *tree,
						 union smb_setfileinfo *parms)
{
	struct cli_request *req;

	req = cli_request_setup(tree, SMBsetattrE, 7, 0);
	if (!req) return NULL;
	
	SSVAL(req->out.vwv,         VWV(0), parms->setattre.file.fnum);
	raw_push_dos_date2(tree->session->transport, 
			  req->out.vwv, VWV(1), parms->setattre.in.create_time);
	raw_push_dos_date2(tree->session->transport, 
			  req->out.vwv, VWV(3), parms->setattre.in.access_time);
	raw_push_dos_date2(tree->session->transport, 
			  req->out.vwv, VWV(5), parms->setattre.in.write_time);

	if (!cli_request_send(req)) {
		cli_request_destroy(req);
		return NULL;
	}

	return req;
}

/****************************************************************************
 Set file info (async send)
****************************************************************************/
struct cli_request *smb_raw_setfileinfo_send(struct cli_tree *tree,
					     union smb_setfileinfo *parms)
{
	DATA_BLOB blob;
	TALLOC_CTX *mem_ctx;
	struct cli_request *req;

	if (parms->generic.level == RAW_SFILEINFO_SETATTRE) {
		return smb_raw_setattrE_send(tree, parms);
	}
	if (parms->generic.level >= RAW_SFILEINFO_GENERIC) {
		return NULL;
	}

	mem_ctx = talloc_init("setpathinfo");
	if (!mem_ctx) return NULL;

	if (!smb_raw_setinfo_backend(tree, mem_ctx, parms, &blob)) {
		talloc_destroy(mem_ctx);
		return NULL;
	}
	
	/* send request and process the output */
	req = smb_raw_setfileinfo_blob_send(tree, 
					    mem_ctx,
					    parms->generic.file.fnum, 
					    parms->generic.level, 
					    &blob);

	talloc_destroy(mem_ctx);
	return req;
}

/****************************************************************************
 Set file info (async send)
****************************************************************************/
NTSTATUS smb_raw_setfileinfo(struct cli_tree *tree,
			     union smb_setfileinfo *parms)
{
	struct cli_request *req = smb_raw_setfileinfo_send(tree, parms);
	return cli_request_simple_recv(req);
}


/****************************************************************************
 Set path info (async send)
****************************************************************************/
struct cli_request *smb_raw_setpathinfo_send(struct cli_tree *tree,
					     union smb_setfileinfo *parms)
{
	DATA_BLOB blob;
	TALLOC_CTX *mem_ctx;
	struct cli_request *req;

	if (parms->generic.level == RAW_SFILEINFO_SETATTR) {
		return smb_raw_setattr_send(tree, parms);
	}
	if (parms->generic.level >= RAW_SFILEINFO_GENERIC) {
		return NULL;
	}

	mem_ctx = talloc_init("setpathinfo");
	if (!mem_ctx) return NULL;

	if (!smb_raw_setinfo_backend(tree, mem_ctx, parms, &blob)) {
		talloc_destroy(mem_ctx);
		return NULL;
	}

	/* send request and process the output */
	req = smb_raw_setpathinfo_blob_send(tree, 
					    mem_ctx,
					    parms->generic.file.fname, 
					    parms->generic.level,
					    &blob);

	talloc_destroy(mem_ctx);
	return req;
}

/****************************************************************************
 Set path info (sync interface)
****************************************************************************/
NTSTATUS smb_raw_setpathinfo(struct cli_tree *tree,
			     union smb_setfileinfo *parms)
{
	struct cli_request *req = smb_raw_setpathinfo_send(tree, parms);
	return cli_request_simple_recv(req);
}