802 lines
22 KiB
ObjectPascal
802 lines
22 KiB
ObjectPascal
Program BinkPoll;
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// Need to include point and multi zones (same with tosser)
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{$I M_OPS.PAS}
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Uses
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DOS,
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m_Crypt,
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m_DateTime,
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m_FileIO,
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m_Strings,
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m_IO_Sockets,
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m_Protocol_Queue,
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bbs_Common;
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Var
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bbsConfig : RecConfig;
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TempPath : String;
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Const
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M_NUL = 0;
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M_ADR = 1;
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M_PWD = 2;
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M_FILE = 3;
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M_OK = 4;
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M_EOB = 5;
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M_GOT = 6;
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M_ERR = 7;
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M_BSY = 8;
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M_GET = 9;
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M_SKIP = 10;
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M_DATA = 255;
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BinkPMaxBufferSize = 30 * 1024;
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TempFileTime = 1363944820;
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Const
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BinkCmdStr : Array[0..10] of String[4] = (
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'NUL ',
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'ADR ',
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'PWD ',
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'FILE',
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'OK ',
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'EOB ',
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'GOT ',
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'ERR ',
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'BSY ',
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'GET ',
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'SKIP'
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);
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Type
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TBinkAuthState = (
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SendChallenge,
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SendWelcome,
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SendAddress,
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SendPassword,
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WaitAddress,
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WaitPassword,
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WaitPwdOK,
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AuthOK,
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AuthFailed
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);
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TBinkRxState = (
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RxNone,
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RxWaitFile,
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RxGetData,
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RxDone
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);
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TBinkTxState = (
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TxNone,
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TxNextFile,
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TxSendData,
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TxGetEOF,
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TxDone
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);
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TBinkFrameType = (
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Command,
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Data
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);
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TBinkP = Class
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SetPassword : String;
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SetBlockSize : Word;
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SetTimeOut : Word;
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SetOutPath : String;
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Client : TIOSocket;
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IsClient : Boolean;
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UseMD5 : Boolean;
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ForceMD5 : Boolean;
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AuthState : TBinkAuthState;
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TimeOut : LongInt;
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TxState : TBinkTxState;
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RxState : TBinkRxState;
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RxFrameType : TBinkFrameType;
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RxCommand : Byte;
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RxBuffer : Array[1..BinkPMaxBufferSize] of Char;
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RxBufSize : LongInt;
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HaveHeader : Boolean;
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NeedHeader : Boolean;
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MD5Challenge : String;
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FileList : TProtocolQueue;
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Constructor Create (Var C: TIOSocket; Var FL: TProtocolQueue; IsCli: Boolean; TOV: Word);
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Destructor Destroy; Override;
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Procedure RemoveFilesFromFLO (FN: String);
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Function GetDataStr : String;
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Procedure SendFrame (CmdType: Byte; CmdData: String);
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Procedure SendDataFrame (Var Buf; BufSize: Word);
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Procedure DoFrameCheck;
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Function DoAuthentication : Boolean;
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Procedure DoTransfers;
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End;
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Function GetStateStr (S: TBinkAuthState) : String;
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Begin
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Case S of
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SendChallenge : Result := 'SendChallenge';
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SendWelcome : Result := 'SendWelcome';
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SendAddress : Result := 'SendAddress';
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SendPassword : Result := 'SendPassword';
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WaitAddress : Result := 'WaitAddress';
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WaitPassword : Result := 'WaitPassword';
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WaitPwdOK : Result := 'WaitPwdOK';
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AuthOK : Result := 'AuthOK';
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AuthFailed : Result := 'AuthFailed';
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Else
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Result := 'Unknown';
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End;
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End;
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Constructor TBinkP.Create (Var C: TIOSocket; Var FL: TProtocolQueue; IsCli: Boolean; TOV: Word);
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Begin
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Inherited Create;
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SetTimeOut := TOV;
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Client := C;
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FileList := FL;
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IsClient := IsCli;
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UseMD5 := False;
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ForceMD5 := False;
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RxBufSize := 0;
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RxState := RxNone;
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TxState := TxNone;
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TimeOut := TimerSet(SetTimeout);
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NeedHeader := True;
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HaveHeader := False;
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MD5Challenge := '';
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AuthState := SendWelcome;
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If Not IsClient and UseMD5 Then
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AuthState := SendChallenge;
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End;
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Destructor TBinkP.Destroy;
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Begin
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Inherited Destroy;
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End;
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Procedure TBinkP.RemoveFilesFromFLO (FN: String);
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Var
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Str : String;
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DirInfo : SearchRec;
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OrigFile : Text;
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NewFile : Text;
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Matched : Boolean;
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Begin
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// Scan all FLO files in outbound directory, and PRUNE them all.
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FindFirst (SetOutPath + '*.?lo', AnyFile, DirInfo);
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While DosError = 0 Do Begin
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FileRename (SetOutPath + DirInfo.Name, TempPath + DirInfo.Name);
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Assign (NewFile, SetOutPath + DirInfo.Name);
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ReWrite (NewFile);
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Append (NewFile);
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Assign (OrigFile, TempPath + DirInfo.Name);
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Reset (OrigFile);
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While Not Eof (OrigFile) Do Begin
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ReadLn (OrigFile, Str);
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If (Str = '') or (Str[1] = '!') Then
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WriteLn (NewFile, Str)
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Else Begin
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Case Str[1] of
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'~',
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'#',
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'^' : Matched := strUpper(FN) = strUpper(Copy(Str, 2, 255));
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Else
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Matched := (strUpper(FN) = strUpper(Str));
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End;
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If Not Matched Then
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WriteLn (NewFile, Str);
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End;
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End;
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Close (NewFile);
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Close (OrigFile);
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Erase (OrigFile);
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If FileByteSize(SetOutPath + DirInfo.Name) = 0 Then
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FileErase(SetOutPath + DirInfo.Name);
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FindNext (DirInfo);
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End;
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FindClose (DirInfo);
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End;
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Function TBinkP.GetDataStr : String;
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Var
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SZ : Byte;
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Begin
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If RxBufSize > 255 Then
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SZ := 255
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Else
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SZ := RxBufSize;
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Move (RxBuffer[1], Result[1], SZ);
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Result[0] := Char(SZ);
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End;
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Procedure TBinkP.SendFrame (CmdType: Byte; CmdData: String);
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Var
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DataSize : Word;
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Begin
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DataSize := (Length(CmdData) + 2) OR $8000;
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Client.BufWriteStr(Char(Hi(DataSize)) + Char(Lo(DataSize)) + Char(CmdType) + CmdData + #0);
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Client.BufFlush;
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WriteLn (' S ' + BinkCmdStr[CmdType] + ' ' + CmdData);
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//WriteLn ('Put Command Frame (', BinkCmdStr[CmdType], ') Data: ', CmdData);
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End;
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Procedure TBinkP.SendDataFrame (Var Buf; BufSize: Word);
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Var
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SendData : Array[1.. BinkPMaxBufferSize] of Char Absolute Buf;
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HiChar : Char;
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LoChar : Char;
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Begin
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HiChar := Char(Hi(BufSize));
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LoChar := Char(Lo(BufSize));
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Client.BufFlush;
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Client.WriteBuf (HiChar, 1);
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Client.WriteBuf (LoChar, 1);
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Client.WriteBuf (SendData[1], BufSize);
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TimeOut := TimerSet(SetTimeOut);
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// WriteLn ('Put Data Frame (', BufSize, ')');
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End;
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Procedure TBinkP.DoFrameCheck;
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Var
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CharHi : Char;
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CharLo : Char;
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InPos : LongInt;
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Begin
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If NeedHeader And Not HaveHeader And Client.DataWaiting Then Begin
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Client.ReadBuf (CharHi, 1);
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Client.ReadBuf (CharLo, 1);
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RxBufSize := (Word(CharHi) SHL 8) + Word(CharLo);
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If Byte(CharHi) AND $80 = 0 Then Begin
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RxCommand := M_DATA;
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RxFrameType := Data;
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End Else Begin
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RxBufSize := (RxBufSize AND ($8000 - 1)) - 1;
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RxFrameType := Command;
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Client.ReadBuf (RxCommand, 1);
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End;
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If RxBufSize > 0 Then
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For InPos := 1 to RxBufSize Do
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Client.ReadBuf(RxBuffer[InPos], 1);
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If Client.Connected Then Begin
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TimeOut := TimerSet(SetTimeOut);
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NeedHeader := False;
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HaveHeader := True;
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End;
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Case RxFrameType of
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// Command : If (RxCommand = M_NUL) or (RxCommand = M_ERR) Then
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// WriteLn (' R ', BinkCmdStr[RxCommand], ' ', GetDataStr);
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Command : WriteLn (' R ', BinkCmdStr[RxCommand], ' ', GetDataStr);
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// Data : WriteLn ('Got Data Frame (Read ', InPos, ' of ', RxBufSize, ')');
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End;
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End;
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End;
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Function TBinkP.DoAuthentication;
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Var
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Str : String;
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Count : LongInt;
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Begin
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//WriteLn ('Begin Authentication');
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Repeat
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DoFrameCheck;
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If Not Client.Connected or (TimerUp(TimeOut)) Then
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AuthState := AuthFailed
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Else
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If HaveHeader and (RxCommand = M_NUL) Then Begin
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// Eat MNUL and get another header but steal MD5 challenge
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// and anything else we want to parse from OPTs, etc
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NeedHeader := True;
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HaveHeader := False;
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Str := GetDataStr;
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Count := Pos('MD5-', Str);
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If Count > 0 Then
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MD5Challenge := Copy(Str, Count + 4, 255);
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End;
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// WriteLn ('AuthState: ', GetStateStr(AuthState), ', HasHeader: ', HaveHeader, ' Data: ', GetDataStr);
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Case AuthState of
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SendChallenge : Begin // Send MD5 digest
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End;
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SendWelcome : Begin
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SendFrame (M_NUL, 'SYS ' + bbsConfig.BBSName);
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SendFrame (M_NUL, 'ZYZ ' + bbsConfig.SysopName);
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// SendFrame (M_NUL, 'LOC Philadelphia, PA');
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SendFrame (M_NUL, 'VER Mystic/' + Copy(mysVersion, 1, 4) + ' binkp/1.0');
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If IsClient Then
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AuthState := SendAddress
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Else
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AuthState := WaitAddress;
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End;
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SendAddress : Begin
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Str := '';
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For Count := 1 to 30 Do
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If strAddr2Str(bbsConfig.NetAddress[Count]) <> '0:0/0' Then Begin
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If Str <> '' Then Str := Str + ' ';
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Str := Str + strAddr2Str(bbsConfig.NetAddress[Count]);
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If bbsConfig.NetDomain[Count] <> '' Then
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Str := Str + '@' + bbsConfig.NetDomain[Count];
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End;
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SendFrame (M_ADR, Str);
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AuthState := SendPassword;
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End;
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SendPassword : If HaveHeader Then Begin // wait for header to see if we support CRAMMD5
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If UseMD5 And (MD5Challenge <> '') Then Begin
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MD5Challenge := Digest2String(HMAC_MD5(String2Digest(MD5Challenge), SetPassword));
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SendFrame (M_PWD, 'CRAM-MD5-' + MD5Challenge);
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End Else
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If ForceMD5 Then Begin
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SendFrame (M_ERR, 'Required CRAM-MD5 authentication');
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AuthState := AuthFailed;
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End Else
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SendFrame (M_PWD, SetPassword);
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Client.BufFlush;
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HaveHeader := False;
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NeedHeader := True;
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If AuthState <> AuthFailed Then
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AuthState := WaitPwdOK;
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End;
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WaitAddress : Begin
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// get address
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AuthState := WaitPassword;
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End;
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WaitPassword : ;
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WaitPwdOK : If HaveHeader Then Begin
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If RxCommand <> M_OK Then
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AuthState := AuthFailed
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Else
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AuthState := AuthOK;
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End;
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End;
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Until (AuthState = AuthOK) or (AuthState = AuthFailed);
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Result := AuthState = AuthOK;
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End;
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Procedure TBinkP.DoTransfers;
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Var
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InFile : File;
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OutFile : File;
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OutSize : LongInt;
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OutBuf : Array[1..BinkPMaxBufferSize] of Byte;
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Str : String;
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InFN : String;
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InSize : Cardinal;
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InPos : Cardinal;
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InTime : Cardinal;
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FSize : Cardinal;
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Begin
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//WriteLn ('Begin File Transfers');
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RxState := RxWaitFile;
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TxState := TxNextFile;
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TimeOut := TimerSet(SetTimeOut);
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NeedHeader := True;
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HaveHeader := False;
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Repeat
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DoFrameCheck;
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// need to update states to handle getting FILE during an xfer
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// and what to do if the file frame goes past file size (fail/quit), etc
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// waitms(100);
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// writeln ('rxstate=', ord(rxstate), ' txstate=', ord(txstate), ' have header ', haveheader, ' need header ', needheader);
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Case RxState of
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RxWaitFile : If HaveHeader Then Begin
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If RxFrameType = Data Then Begin
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HaveHeader := False;
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NeedHeader := True;
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Continue;
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End;
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If RxCommand = M_FILE Then Begin
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HaveHeader := False;
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NeedHeader := True;
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// translate filename, fix up file times
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Str := GetDataStr;
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InFN := strWordGet(1, Str, ' ');
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InSize := strS2I(strWordGet(2, Str, ' '));
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InTime := strS2I(strWordGet(3, Str, ' '));
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InPos := strS2I(strWordGet(4, Str, ' '));
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If FileExist(bbsConfig.InBoundPath + InFN) Then Begin
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FSize := FileByteSize(bbsConfig.InBoundPath + InFN);
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// fix timestamp and escape filen
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If FSize >= InSize Then Begin
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SendFrame (M_SKIP, InFN + ' ' + strI2S(FSize) + ' ' + strI2S(InTime));
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Continue;
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End Else Begin
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SendFrame (M_GET, InFN + ' ' + strI2S(FSize) + ' ' + strI2S(InTime));
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InPos := FSize;
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End;
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End;
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Assign (InFile, bbsConfig.InBoundPath + InFN);
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Reset (InFile, 1);
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If IoResult <> 0 Then ReWrite (InFile, 1);
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Seek (InFile, InPos);
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RxState := RxGetData;
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End Else
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If RxCommand = M_EOB Then Begin
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NeedHeader := True;
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HaveHeader := False;
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RxState := RxDone;
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End;
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End;
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RxGetData : If HaveHeader And (RxFrameType = Data) Then Begin
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BlockWrite (InFile, RxBuffer[1], RxBufSize);
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Inc (InPos, RxBufSize);
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HaveHeader := False;
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NeedHeader := True;
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If InPos = InSize Then Begin
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// fix time, escape filename
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Close (InFile);
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SendFrame (M_GOT, InFN + ' ' + strI2S(InSize) + ' ' + strI2S(InTime));
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RxState := RxWaitFile;
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End;
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End;
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End;
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// DoFrameCheck;
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Case TxState of
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TxGetEOF : Begin
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If HaveHeader Then
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If RxCommand = M_GOT Then Begin
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FileList.QData[FileList.QPos].Status := QueueSuccess;
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FileErase (FileList.QData[FileList.QPos].FilePath + FileList.QData[FileList.QPos].FileName);
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RemoveFilesFromFLO (FileList.QData[FileList.QPos].FilePath + FileList.QData[FileList.QPos].FileName);
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HaveHeader := False;
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NeedHeader := True;
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TxState := TxNextFile;
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End;
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End;
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TxNextFile : If FileList.Next Then Begin
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Assign (OutFile, FileList.QData[FileList.QPos].FilePath + FileList.QData[FileList.QPos].FileName);
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Reset (OutFile, 1);
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If IoResult <> 0 Then Continue;
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// need to escape filename here and fix file time
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SendFrame (M_FILE, FileList.QData[FileList.QPos].FileName + ' ' + strI2S(FileList.QData[FileList.QPos].FileSize) + ' ' + strI2S(TempFileTime) + ' 0');
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TxState := TxSendData;
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End Else Begin
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SendFrame (M_EOB, '');
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TxState := TxDone;
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End;
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TxSendData : Begin
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If HaveHeader And (RxCommand = M_GET) Then Begin
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Str := strWordGet(4, GetDataStr, ' ');
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Seek (OutFile, strS2I(Str));
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// fix file time and escape filename
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SendFrame (M_FILE, FileList.QData[FileList.QPos].FileName + ' ' + Str + ' ' + strI2S(TempFileTime) + ' 0');
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HaveHeader := False;
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NeedHeader := True;
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Continue;
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End;
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BlockRead (OutFile, OutBuf, SizeOf(OutBuf), OutSize);
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SendDataFrame (OutBuf, OutSize);
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If OutSize < SizeOf(OutBuf) Then Begin
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Close (OutFile);
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TxState := TxGetEOF;
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HaveHeader := False;
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NeedHeader := True;
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End;
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End;
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End;
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Until ((RxState = RxDone) and (TxState = TxDone)) or (Not Client.Connected) or (TimerUp(TimeOut));
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If Client.Connected Then Client.BufFlush;
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End;
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Function IsFTNPrimary (EchoNode: RecEchoMailNode) : Boolean;
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Var
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Count : Byte;
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Begin
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For Count := 1 to 30 Do
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If (strUpper(EchoNode.Domain) = strUpper(bbsConfig.NetDomain[Count])) and
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(EchoNode.Address.Zone = bbsConfig.NetAddress[Count].Zone) and
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(bbsConfig.NetPrimary[Count]) Then Begin
|
|
Result := True;
|
|
|
|
Exit;
|
|
End;
|
|
|
|
Result := False;
|
|
End;
|
|
|
|
Function GetFTNOutPath (EchoNode: RecEchoMailNode) : String;
|
|
Begin;
|
|
If IsFTNPrimary(EchoNode) Then
|
|
Result := bbsConfig.OutboundPath
|
|
Else
|
|
Result := DirLast(bbsConfig.OutboundPath) + strLower(EchoNode.Domain + '.' + strPadL(strI2H(EchoNode.Address.Zone, 3), 3, '0')) + PathChar;
|
|
End;
|
|
|
|
Function GetFTNFlowName (Dest: RecEchoMailAddr) : String;
|
|
Begin
|
|
Result := strI2H((Dest.Net SHL 16) OR Dest.Node, 8);
|
|
End;
|
|
|
|
Procedure PollNode (Var Queue: TProtocolQueue; Var EchoNode: RecEchoMailNode);
|
|
Var
|
|
BinkP : TBinkP;
|
|
Client : TIOSocket;
|
|
Port : Word;
|
|
Begin
|
|
Client := TIOSocket.Create;
|
|
|
|
Client.FTelnetClient := False;
|
|
Client.FTelnetServer := False;
|
|
|
|
Write ('- Connecting to ', EchoNode.binkHost, ': ');
|
|
|
|
Port := strS2I(strWordGet(2, EchoNode.binkHost, ':'));
|
|
|
|
If Port = 0 Then Port := 24554;
|
|
|
|
If Not Client.Connect (strWordGet(1, EchoNode.binkHost, ':'), Port) Then Begin
|
|
WriteLn ('UNABLE TO CONNECT');
|
|
|
|
Client.Free;
|
|
|
|
Exit;
|
|
End;
|
|
|
|
WriteLn ('CONNECTED!');
|
|
|
|
BinkP := TBinkP.Create(Client, Queue, True, EchoNode.binkTimeOut * 100);
|
|
|
|
BinkP.SetOutPath := GetFTNOutPath(EchoNode);
|
|
BinkP.SetPassword := EchoNode.binkPass;
|
|
BinkP.SetBlockSize := EchoNode.binkBlock;
|
|
BinkP.UseMD5 := EchoNode.binkMD5 > 0;
|
|
BinkP.ForceMD5 := EchoNode.binkMD5 = 2;
|
|
|
|
If BinkP.DoAuthentication Then
|
|
BinkP.DoTransfers
|
|
Else
|
|
WriteLn ('- Unable to authenticate');
|
|
|
|
BinkP.Free;
|
|
Client.Free;
|
|
End;
|
|
|
|
Procedure QueueByNode (Var Queue: TProtocolQueue; EchoNode: RecEchoMailNode);
|
|
Var
|
|
DirInfo : SearchRec;
|
|
FLOFile : Text;
|
|
Str : String;
|
|
FN : String;
|
|
Path : String;
|
|
OutPath : String;
|
|
Begin
|
|
OutPath := GetFTNOutPath(EchoNode);
|
|
|
|
FindFirst (OutPath + '*.?lo', AnyFile, DirInfo);
|
|
|
|
While DosError = 0 Do Begin
|
|
Write ('- Found ', DirInfo.Name, ' -> Send Type: ');
|
|
|
|
Case UpCase(JustFileExt(DirInfo.Name)[1]) of
|
|
'C' : WriteLn ('Crash');
|
|
'D' : WriteLn ('Direct');
|
|
'H' : Begin
|
|
WriteLn ('Hold - SKIPPING');
|
|
|
|
FindNext (DirInfo);
|
|
|
|
Continue;
|
|
End;
|
|
Else
|
|
WriteLn ('Normal');
|
|
End;
|
|
|
|
If Not ((strUpper(JustFileName(DirInfo.Name)) = strUpper(GetFTNFlowName(EchoNode.Address))) and EchoNode.Active and (EchoNode.ProtType = 0)) Then Begin
|
|
FindNext (DirInfo);
|
|
|
|
Continue;
|
|
End;
|
|
|
|
Assign (FLOFile, OutPath + DirInfo.Name);
|
|
Reset (FLOFile);
|
|
|
|
While Not Eof(FLOFile) Do Begin
|
|
ReadLn (FLOFile, Str);
|
|
|
|
If (Str = '') or (Str[1] = '!') Then Continue;
|
|
|
|
Str := strStripB(Copy(Str, 2, 255), ' ');
|
|
FN := JustFile(Str);
|
|
Path := JustPath(Str);
|
|
|
|
Queue.Add (Path, FN);
|
|
End;
|
|
|
|
Close (FLOFile);
|
|
|
|
WriteLn('- Queued ', Queue.QSize, ' files (', Queue.QFSize, ' bytes) to ', strAddr2Str(EchoNode.Address));
|
|
|
|
FindNext (DirInfo);
|
|
End;
|
|
End;
|
|
|
|
Procedure PollAll (OnlyNew: Boolean);
|
|
Var
|
|
Queue : TProtocolQueue;
|
|
EchoFile : File of RecEchoMailNode;
|
|
EchoNode : RecEchoMailNode;
|
|
Total : LongInt;
|
|
Begin
|
|
WriteLn ('Polling BINKP nodes...');
|
|
WriteLn;
|
|
|
|
Total := 0;
|
|
Queue := TProtocolQueue.Create;
|
|
|
|
Assign (EchoFile, bbsConfig.DataPath + 'echonode.dat');
|
|
{$I-} Reset (EchoFile); {$I+}
|
|
|
|
If IoResult <> 0 Then Exit;
|
|
|
|
While Not Eof(EchoFile) Do Begin
|
|
Read (EchoFile, EchoNode);
|
|
|
|
If Not (EchoNode.Active and (EchoNode.ProtType = 0)) Then Continue;
|
|
|
|
Queue.Clear;
|
|
|
|
QueueByNode (Queue, EchoNode);
|
|
|
|
If OnlyNew and (Queue.QSize = 0) Then Continue;
|
|
|
|
Inc (Total);
|
|
|
|
WriteLn ('- Polling node ' + strAddr2Str(EchoNode.Address) + ' (Queued ', Queue.QSize, ' files, ', Queue.QFSize, ' bytes)');
|
|
PollNode (Queue, EchoNode);
|
|
End;
|
|
|
|
Close (EchoFile);
|
|
|
|
Queue.Free;
|
|
|
|
If Total > 0 Then WriteLn;
|
|
|
|
WriteLn ('Polled ', Total, ' nodes');
|
|
End;
|
|
|
|
Procedure DoServer;
|
|
Begin
|
|
End;
|
|
|
|
Var
|
|
CF : File of RecConfig;
|
|
Str : String;
|
|
Begin
|
|
FileMode := 66;
|
|
|
|
WriteLn;
|
|
WriteLn ('BINKPOLL Version ' + mysVersion);
|
|
WriteLn;
|
|
|
|
Assign (CF, 'mystic.dat');
|
|
|
|
If Not ioReset (CF, SizeOf(RecConfig), fmRWDN) Then Begin
|
|
WriteLn ('Unable to read MYSTIC.DAT');
|
|
Halt(1);
|
|
End;
|
|
|
|
Read (CF, bbsConfig);
|
|
Close (CF);
|
|
|
|
If bbsConfig.DataChanged <> mysDataChanged Then Begin
|
|
WriteLn ('Mystic VERSION mismatch');
|
|
Halt(1);
|
|
End;
|
|
|
|
If ParamCount = 0 Then Begin
|
|
WriteLn ('BINKPOLL SEND - Only send/poll if node has new outbound messages');
|
|
WriteLn ('BINKPOLL FORCED - Poll/send to all configured/active BINKP nodes');
|
|
WriteLn ('BINKPOLL SERVER - Start in BINKP server mode (not implmented yet)');
|
|
|
|
Halt(1);
|
|
End;
|
|
|
|
TempPath := bbsConfig.SystemPath + 'tempftn' + PathChar;
|
|
|
|
{$I-}
|
|
MkDir (TempPath);
|
|
{$I+}
|
|
|
|
If IoResult <> 0 Then;
|
|
|
|
Str := strUpper(strStripB(ParamStr(1), ' '));
|
|
|
|
If (Str = 'SEND') or (Str = 'FORCED') Then
|
|
PollAll (Str = 'SEND')
|
|
Else
|
|
If (Str = 'SERVER') Then
|
|
DoServer
|
|
Else
|
|
WriteLn ('Invalid command line');
|
|
End.
|