public static bool WriteStringToFile(string filePath, string str, File_Attributes flags = 0)
{
IntPtr hStream = CreateFileFromApp(filePath,
GENERIC_WRITE, 0, IntPtr.Zero, CREATE_ALWAYS, (uint)(File_Attributes.BackupSemantics | flags), IntPtr.Zero);
if (hStream.ToInt64() == -1)
{
return(false);
}
byte[] buff = Encoding.UTF8.GetBytes(str);
int dwBytesWritten;
unsafe
{
fixed(byte *pBuff = buff)
{
WriteFile(hStream, pBuff, buff.Length, &dwBytesWritten, IntPtr.Zero);
}
}
CloseHandle(hStream);
return(true);
}
public Smb2CreateResponsePacket CreateCreateResponse(
Smb2Endpoint endpoint,
ulong messageId,
OplockLevel_Values oplockLevel,
CreateAction_Values createAction,
_FILETIME creationTime,
_FILETIME lastAccessTime,
_FILETIME lastWriteTime,
_FILETIME changeTime,
ulong allocationSize,
ulong endofFile,
File_Attributes fileAttributes,
FILEID fileId,
params CREATE_CONTEXT_Values[] createContexts
)
{
Smb2CreateResponsePacket packet = new Smb2CreateResponsePacket();
SetHeader(packet, endpoint, messageId);
packet.PayLoad.StructureSize = CREATE_Response_StructureSize_Values.V1;
packet.PayLoad.OplockLevel = oplockLevel;
packet.PayLoad.Reserved = 0;
packet.PayLoad.CreateAction = createAction;
packet.PayLoad.CreationTime = creationTime;
packet.PayLoad.LastAccessTime = lastAccessTime;
packet.PayLoad.LastWriteTime = lastWriteTime;
packet.PayLoad.ChangeTime = changeTime;
packet.PayLoad.AllocationSize = allocationSize;
packet.PayLoad.EndofFile = endofFile;
packet.PayLoad.FileAttributes = fileAttributes;
packet.PayLoad.Reserved2 = 0;
packet.PayLoad.FileId = fileId;
if (createContexts == null)
{
packet.PayLoad.CreateContextsOffset = 0;
packet.PayLoad.CreateContextsLength = 0;
packet.PayLoad.Buffer = new byte[0];
}
else
{
packet.PayLoad.CreateContextsOffset = Smb2Consts.CreateContextOffsetInCreateResponse;
using (MemoryStream ms = new MemoryStream())
{
for (int i = 0; i < createContexts.Length; i++)
{
byte[] createContext = TypeMarshal.ToBytes(createContexts[i]);
if (i != (createContexts.Length - 1))
{
int alignedLen = Smb2Utility.AlignBy8Bytes(createContext.Length);
byte[] nextValue = BitConverter.GetBytes(alignedLen);
Array.Copy(nextValue, createContext, nextValue.Length);
ms.Write(createContext, 0, createContext.Length);
//write the padding 0;
for (int j = 0; j < (alignedLen - createContext.Length); j++)
{
ms.WriteByte(0);
}
}
else
{
ms.Write(createContext, 0, createContext.Length);
}
}
packet.PayLoad.Buffer = ms.ToArray();
packet.PayLoad.CreateContextsLength = (uint)packet.PayLoad.Buffer.Length;
}
}
packet.Sign();
return packet;
}
public Smb2CreateResponsePacket CreateCreateResponseAsync(
Smb2Endpoint endpoint,
ulong asyncId,
ulong messageId,
OplockLevel_Values oplockLevel,
CreateAction_Values createAction,
_FILETIME creationTime,
_FILETIME lastAccessTime,
_FILETIME lastWriteTime,
_FILETIME changeTime,
ulong allocationSize,
ulong endofFile,
File_Attributes fileAttributes,
FILEID fileId,
params CREATE_CONTEXT_Values[] contexts
)
{
Smb2CreateResponsePacket packet = CreateCreateResponse(endpoint, messageId, oplockLevel,
createAction, creationTime, lastAccessTime, lastWriteTime, changeTime, allocationSize,
endofFile, fileAttributes, fileId, contexts);
ModifyAsyncHeader(packet, endpoint, asyncId);
packet.Sign();
return packet;
}
public Smb2CloseResponsePacket CreateCloseResponse(
Smb2Endpoint endpoint,
ulong messageId,
CLOSE_Response_Flags_Values flags,
_FILETIME creationTime,
_FILETIME lastAccessTime,
_FILETIME lastWriteTime,
_FILETIME changeTime,
ulong allocationSize,
ulong endofFile,
File_Attributes fileAttributes
)
{
Smb2CloseResponsePacket packet = new Smb2CloseResponsePacket();
SetHeader(packet, endpoint, messageId);
packet.PayLoad.AllocationSize = allocationSize;
packet.PayLoad.ChangeTime = changeTime;
packet.PayLoad.CreationTime = creationTime;
packet.PayLoad.EndofFile = endofFile;
packet.PayLoad.FileAttributes = fileAttributes;
if (fileAttributes == File_Attributes.NONE)
{
packet.PayLoad.Flags = CLOSE_Response_Flags_Values.NONE;
}
else
{
packet.PayLoad.Flags = CLOSE_Response_Flags_Values.V1;
}
packet.PayLoad.LastAccessTime = lastAccessTime;
packet.PayLoad.LastWriteTime = lastWriteTime;
packet.PayLoad.Reserved = CLOSE_Response_Reserved_Values.V1;
packet.PayLoad.StructureSize = CLOSE_Response_StructureSize_Values.V1;
packet.Sign();
return packet;
}
