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/* jcifs smb client library in Java
* Copyright (C) 2000 "Michael B. Allen"
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.smb;
import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.util.Hexdump;
class SmbComNTCreateAndX extends AndXServerMessageBlock {
// share access specified in SmbFile
// create disposition
/*
* Creates a new file or supersedes the existing one
*/
static final int FILE_SUPERSEDE = 0x0;
/*
* Open the file or fail if it does not exist
* aka OPEN_EXISTING
*/
static final int FILE_OPEN = 0x1;
/*
* Create the file or fail if it does not exist
* aka CREATE_NEW
*/
static final int FILE_CREATE = 0x2;
/*
* Open the file or create it if it does not exist
* aka OPEN_ALWAYS
*/
static final int FILE_OPEN_IF = 0x3;
/*
* Open the file and overwrite it's contents or fail if it does not exist
* aka TRUNCATE_EXISTING
*/
static final int FILE_OVERWRITE = 0x4;
/*
* Open the file and overwrite it's contents or create it if it does not exist
* aka CREATE_ALWAYS (according to the wire when calling CreateFile)
*/
static final int FILE_OVERWRITE_IF = 0x5;
// create options
static final int FILE_WRITE_THROUGH = 0x00000002;
static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;
// security flags
static final int SECURITY_CONTEXT_TRACKING = 0x01;
static final int SECURITY_EFFECTIVE_ONLY = 0x02;
private int rootDirectoryFid, extFileAttributes, shareAccess, createDisposition, createOptions, impersonationLevel;
private long allocationSize;
private byte securityFlags;
private int namelen_index;
int flags0, desiredAccess;
SmbComNTCreateAndX ( Configuration config, String name, int flags, int access, int shareAccess, int extFileAttributes, int createOptions,
ServerMessageBlock andx ) {
super(config, andx);
this.path = name;
this.command = SMB_COM_NT_CREATE_ANDX;
this.desiredAccess = access;
this.desiredAccess |= SmbConstants.FILE_READ_DATA | SmbConstants.FILE_READ_EA | SmbConstants.FILE_READ_ATTRIBUTES;
// extFileAttributes
this.extFileAttributes = extFileAttributes;
// shareAccess
this.shareAccess = shareAccess;
// createDisposition
if ( ( flags & SmbFile.O_TRUNC ) == SmbFile.O_TRUNC ) {
// truncate the file
if ( ( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
// create it if necessary
this.createDisposition = FILE_OVERWRITE_IF;
}
else {
this.createDisposition = FILE_OVERWRITE;
}
}
else {
// don't truncate the file
if ( ( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
// create it if necessary
if ( ( flags & SmbFile.O_EXCL ) == SmbFile.O_EXCL ) {
// fail if already exists
this.createDisposition = FILE_CREATE;
}
else {
this.createDisposition = FILE_OPEN_IF;
}
}
else {
this.createDisposition = FILE_OPEN;
}
}
if ( ( createOptions & 0x0001 ) == 0 ) {
this.createOptions = createOptions | 0x0040;
}
else {
this.createOptions = createOptions;
}
this.impersonationLevel = 0x02; // As seen on NT :~)
this.securityFlags = (byte) 0x03; // SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY
}
@Override
int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
int start = dstIndex;
dst[ dstIndex++ ] = (byte) 0x00;
// name length without counting null termination
this.namelen_index = dstIndex;
dstIndex += 2;
SMBUtil.writeInt4(this.flags0, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.rootDirectoryFid, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt8(this.allocationSize, dst, dstIndex);
dstIndex += 8;
SMBUtil.writeInt4(this.extFileAttributes, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.shareAccess, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.createDisposition, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.createOptions, dst, dstIndex);
dstIndex += 4;
SMBUtil.writeInt4(this.impersonationLevel, dst, dstIndex);
dstIndex += 4;
dst[ dstIndex++ ] = this.securityFlags;
return dstIndex - start;
}
@Override
int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
int n;
n = writeString(this.path, dst, dstIndex);
SMBUtil.writeInt2( ( this.useUnicode ? this.path.length() * 2 : n ), dst, this.namelen_index);
return n;
}
@Override
int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
return 0;
}
@Override
public String toString () {
return new String(
"SmbComNTCreateAndX[" + super.toString() + ",flags=0x" + Hexdump.toHexString(this.flags0, 2) + ",rootDirectoryFid="
+ this.rootDirectoryFid + ",desiredAccess=0x" + Hexdump.toHexString(this.desiredAccess, 4) + ",allocationSize="
+ this.allocationSize + ",extFileAttributes=0x" + Hexdump.toHexString(this.extFileAttributes, 4) + ",shareAccess=0x"
+ Hexdump.toHexString(this.shareAccess, 4) + ",createDisposition=0x" + Hexdump.toHexString(this.createDisposition, 4)
+ ",createOptions=0x" + Hexdump.toHexString(this.createOptions, 8) + ",impersonationLevel=0x"
+ Hexdump.toHexString(this.impersonationLevel, 4) + ",securityFlags=0x" + Hexdump.toHexString(this.securityFlags, 2) + ",name="
+ this.path + "]");
}
}
