/// <summary>
/// find the nt transaction packets
/// </summary>
/// <param name="command">the command of nt transaction</param>
/// <param name="setup">the setup contains the sub command</param>
/// <returns>the target nt transaction packet</returns>
private static SmbPacket FindTheNtTransPacket(NtTransSubCommand command, byte[] setup)
{
SmbPacket smbPacket = null;
switch (command)
{
case NtTransSubCommand.NT_TRANSACT_CREATE:
smbPacket = new SmbNtTransactCreateRequestPacket();
break;
case NtTransSubCommand.NT_TRANSACT_RENAME:
smbPacket = new SmbNtTransRenameRequestPacket();
break;
case NtTransSubCommand.NT_TRANSACT_IOCTL:
NT_TRANSACT_IOCTL_SETUP subCommand = CifsMessageUtils.ToStuct <NT_TRANSACT_IOCTL_SETUP>(setup);
switch ((NtTransFunctionCode)subCommand.FunctionCode)
{
case NtTransFunctionCode.FSCTL_SRV_ENUMERATE_SNAPSHOTS:
smbPacket = new SmbNtTransFsctlSrvEnumerateSnapshotsRequestPacket();
break;
case NtTransFunctionCode.FSCTL_SRV_REQUEST_RESUME_KEY:
smbPacket = new SmbNtTransFsctlSrvRequestResumeKeyRequestPacket();
break;
case NtTransFunctionCode.FSCTL_SRV_COPYCHUNK:
smbPacket = new SmbNtTransFsctlSrvCopyChunkRequestPacket();
break;
default:
smbPacket = new SmbNtTransactIoctlRequestPacket();
break;
}
break;
default:
switch ((SmbNtTransSubCommand)command)
{
case SmbNtTransSubCommand.NT_TRANSACT_QUERY_QUOTA:
smbPacket = new SmbNtTransQueryQuotaRequestPacket();
break;
case SmbNtTransSubCommand.NT_TRANSACT_SET_QUOTA:
smbPacket = new SmbNtTransSetQuotaRequestPacket();
break;
}
break;
}
return(smbPacket);
}
/// <summary>
/// Do IO control on remote server
/// </summary>
/// <param name="ctlCode">The control code</param>
/// <param name="isFsCtl">Indicate if the control code is a file system control code</param>
/// <param name="input">The input data of io control</param>
/// <param name="output">The output data of io control</param>
/// <returns>
/// a uint value that specifies the status of response packet.
/// </returns>
/// <exception cref="System.InvalidOperationException">Thrown when meet an transport error</exception>
private uint InternalIoControl(uint ctlCode, bool isFsCtl, byte[] input, out byte[] output)
{
SmbNtTransactIoctlRequestPacket request =
smbClient.CreateNTTransIOCtlRequest(this.fid, isFsCtl, 0x00, ctlCode, input);
if (this.isSignRequired)
{
request.Sign(this.NextSequenceNumber, this.sessionKey);
}
uint status = 0;
SmbNtTransactIoctlResponsePacket response =
this.SendAndExpectSmbPacket(request, internalTimeout, out status) as SmbNtTransactIoctlResponsePacket;
output = null;
if (response != null)
{
output = response.NtTransData.Data;
}
return(SmbMessageUtils.CheckStatus(status));
}