windows-nt/Source/XPSP1/NT/enduser/netmeeting/ui/msconfft/osshelp.cpp
2020-09-26 16:20:57 +08:00

1639 lines
62 KiB
C++

/* file: ossHelp.cpp */
#include "mbftpch.h"
#include "mbftper.h"
#include "osshelp.hpp"
#include "strutil.h"
#include <imcsapp.h>
static int nInvalidNameCount = 0;
static char szProshareError[] = "ProshareError#"; /*Localization OK*/
static char szNonStandardCompression[] = "NonStandardCompression"; /*Localization OK*/
LONG CreateFileHeader(LPSTR pFileHeader, WORD pduType, ASNMBFTPDU* GenericPDUStruct);
typedef struct
{
unsigned Second : 5;
unsigned Minute : 6;
unsigned Hour : 5;
} _DOS_Time;
typedef struct
{
unsigned Day : 5;
unsigned Month : 4;
unsigned Year : 7;
} _DOS_Date;
void GenericPDU::FreeMCSBuffer ()
{
if (m_lpEncodedBuffer != NULL)
{
m_pAppletSession->FreeSendDataBuffer((void *) m_lpEncodedBuffer);
m_lpEncodedBuffer = NULL;
}
}
GenericPDU::~GenericPDU()
{
if (m_pAppletSession != NULL)
{
FreeMCSBuffer();
}
else
{
delete m_lpEncodedBuffer;
m_lpEncodedBuffer = NULL;
}
}
FileOfferPDU::FileOfferPDU(LPCSTR lpszFileName, MBFTFILEHANDLE iFileHandle,
LONG FileSize,time_t FileDateTime,
ChannelID wChannelID,BOOL bAcknowledge,int RosterInstance,
unsigned CompressionFlags,
LPCSTR lpszCompressionFormat,
int v42bisP1,
int v42bisP2) : GenericPDU()
{
if(lpszFileName)
{
lstrcpyn(m_szFileName,lpszFileName,sizeof(m_szFileName));
}
else
{
lstrcpy(m_szFileName,"");
}
m_FileHandle = iFileHandle;
m_FileSize = FileSize;
m_FileDateTime = FileDateTime;
m_DataChannelID = wChannelID;
m_bAcknowledge = bAcknowledge;
m_RosterInstance = RosterInstance;
m_CompressionFlags = CompressionFlags;
m_v42bisP1 = v42bisP1;
m_v42bisP2 = v42bisP2;
if(lpszCompressionFormat)
{
lstrcpyn(m_szCompressionFormat,lpszCompressionFormat,sizeof(m_szCompressionFormat));
}
else
{
lstrcpy(m_szCompressionFormat,"");
}
}
unsigned long DecodeTimeDate(GeneralizedTime & ASNDateTime)
{
_DOS_Time DecodeTime;
_DOS_Date DecodeDate;
if(ASNDateTime.utc)
{
//GMDateTime.tm_year = ASNDateTime.year;
DecodeDate.Year = ASNDateTime.year - 80;
}
else
{
}
DecodeDate.Month = ASNDateTime.month;
DecodeDate.Day = ASNDateTime.day;
DecodeTime.Hour = ASNDateTime.hour;
DecodeTime.Minute = ASNDateTime.minute;
DecodeTime.Second = ASNDateTime.second / 2;
//DecodeTime.tm_isdst = -1; //Make best guess about daylight savings...
unsigned * Time, * Date;
Time = (unsigned *)&DecodeTime;
Date = (unsigned *)&DecodeDate;
return(MAKELONG(*Time,*Date));
}
BOOL FileOfferPDU::Encode(void)
{
ASNMBFTPDU GenericPDUStruct;
ASNFilename_Attribute_ FileName;
BOOL bReturn = FALSE;
//struct tm * lpGMDateTime;
ClearStruct(&GenericPDUStruct);
ClearStruct(&FileName);
GenericPDUStruct.choice = ASNfile_OfferPDU_chosen;
FileName.value = m_szFileName;
//lpGMDateTime = localtime(&m_FileDateTime);
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNfilesize = m_FileSize;
unsigned Date = HIWORD(m_FileDateTime);
unsigned Time = LOWORD(m_FileDateTime);
_DOS_Date * lpDate = (_DOS_Date *)&Date;
_DOS_Time * lpTime = (_DOS_Time *)&Time;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.year = lpDate->Year + 80;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.month = lpDate->Month;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.day = lpDate->Day;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.hour = lpTime->Hour;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.minute = lpTime->Minute;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.second = lpTime->Second * 2;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNdate_and_time_of_creation.utc = TRUE;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.bit_mask |= ASNfilename_present;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.bit_mask |= ASNdate_and_time_of_creation_present;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.bit_mask |= ASNfilesize_present;
GenericPDUStruct.u.ASNfile_OfferPDU.file_header.ASNfilename = &FileName;
GenericPDUStruct.u.ASNfile_OfferPDU.file_handle = (ASNHandle)m_FileHandle;
GenericPDUStruct.u.ASNfile_OfferPDU.data_channel_id = m_DataChannelID;
GenericPDUStruct.u.ASNfile_OfferPDU.ack_flag = (ossBoolean)m_bAcknowledge;
if(m_CompressionFlags & _MBFT_FILE_COMPRESSED)
{
if(m_CompressionFlags & _MBFT_STANDARD_COMPRESSSION)
{
GenericPDUStruct.u.ASNfile_OfferPDU.bit_mask |= ASNFile_OfferPDU_compression_specifier_present;
GenericPDUStruct.u.ASNfile_OfferPDU.ASNFile_OfferPDU_compression_specifier.choice = ASNv42bis_parameters_chosen;
GenericPDUStruct.u.ASNfile_OfferPDU.ASNFile_OfferPDU_compression_specifier.u.ASNv42bis_parameters.p1 = (unsigned short)m_v42bisP1;
GenericPDUStruct.u.ASNfile_OfferPDU.ASNFile_OfferPDU_compression_specifier.u.ASNv42bis_parameters.p2 = (unsigned short)m_v42bisP2;
}
}
//Specifying a non standard compression format is simply too complex and not worth the effort
if(m_RosterInstance)
{
GenericPDUStruct.u.ASNfile_OfferPDU.bit_mask |= ASNroster_instance_present;
GenericPDUStruct.u.ASNfile_OfferPDU.ASNroster_instance = (unsigned short)m_RosterInstance;
}
// Get the needed size for the fileHeader
LONG fileOfferPDUSize = CreateFileHeader(NULL, T127_FILE_OFFER << 8, &GenericPDUStruct);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[fileOfferPDUSize];
if(m_lpEncodedBuffer)
{
m_lEncodedDataLength = CreateFileHeader(m_lpEncodedBuffer, (T127_FILE_OFFER << 8 | ASNroster_instance_present << 2), &GenericPDUStruct);
bReturn = TRUE;
}
return(bReturn);
}
FileAcceptPDU::FileAcceptPDU(MBFTFILEHANDLE iFileHandle) : GenericPDU()
{
m_FileHandle = iFileHandle;
}
BOOL FileAcceptPDU::Encode(void)
{
m_lEncodedDataLength = sizeof(T127_FILE_PDU_HEADER);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_PDU_HEADER* pBuff = (T127_FILE_PDU_HEADER*)m_lpEncodedBuffer;
pBuff->pduType = T127_FILE_ACCEPT;
pBuff->fileHandle = SWAPWORD(m_FileHandle);
return TRUE;
}
return FALSE;
}
FileRejectPDU::FileRejectPDU(MBFTFILEHANDLE iFileHandle) : GenericPDU()
{
m_FileHandle = iFileHandle;
}
BOOL FileRejectPDU::Encode(void)
{
m_lEncodedDataLength = sizeof(T127_FILE_ERROR_HEADER);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)m_lpEncodedBuffer;
pBuff->PDUHeader.pduType = T127_FILE_REJECT;
pBuff->PDUHeader.fileHandle = SWAPWORD(m_FileHandle);
pBuff->errorCode = (ASNfile_not_required << 4);
return(TRUE);
}
return FALSE;
}
FileAbortPDU::FileAbortPDU(ChannelID wDataChannelID,
ChannelID wTransmitterID,
MBFTFILEHANDLE iFileHandle) : GenericPDU()
{
m_DataChannelID = wDataChannelID;
m_TransmitterID = wTransmitterID;
m_FileHandle = iFileHandle;
}
BOOL FileAbortPDU::Encode(void)
{
m_lEncodedDataLength = sizeof(T127_FILE_ABORT_PDU);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_ABORT_PDU* pBuff = (T127_FILE_ABORT_PDU*)m_lpEncodedBuffer;
pBuff->pduType_PresentFields = T127_FILE_ABORT |
(WORD)((ASNdata_channel_id_present |
ASNtransmitter_user_id_present |
ASNFile_AbortPDU_file_handle_present |
ASNreason_unspecified) << 10) ;
pBuff->dataChannel = SWAPWORD(m_DataChannelID - 1);
pBuff->transmitterUserId = SWAPWORD(m_TransmitterID - MIN_ASNDynamicChannelID);
pBuff->fileHandle = SWAPWORD(m_FileHandle);
return(TRUE);
}
return FALSE;
}
FileStartPDU::FileStartPDU(
LPCSTR lpszEncodedDataBuffer,
LPCSTR lpszFileName, MBFTFILEHANDLE iFileHandle,
LONG FileSize,time_t FileDateTime,
LPCSTR lpszDataBuffer,int iDataLength,
BOOL bIsEOF,
unsigned CompressionFlags,
LPCSTR lpszCompressionFormat,
int v42bisP1,
int v42bisP2,
IT120AppletSession *pAppletSession)
:
GenericPDU()
{
m_pAppletSession = pAppletSession;
if(lpszFileName)
{
lstrcpyn(m_szFileName,lpszFileName,sizeof(m_szFileName));
}
else
{
lstrcpy(m_szFileName,"");
}
m_FileHandle = iFileHandle;
m_FileSize = FileSize;
m_FileDateTime = FileDateTime;
m_lpszDataBuffer= lpszDataBuffer;
m_bIsEOF = bIsEOF;
m_DataLength = iDataLength;
m_lpEncodedBuffer = (LPSTR)lpszEncodedDataBuffer;
m_CompressionFlags = CompressionFlags;
if(lpszCompressionFormat)
{
lstrcpyn(m_szCompressionFormat,lpszCompressionFormat,sizeof(m_szCompressionFormat));
}
else
{
lstrcpy(m_szCompressionFormat,"");
}
m_v42bisP1 = v42bisP1;
m_v42bisP2 = v42bisP2;
}
BOOL FileStartPDU::Encode(void)
{
ASNMBFTPDU GenericPDUStruct;
ASNFilename_Attribute_ FileName;
BOOL bReturn = FALSE;
ClearStruct(&GenericPDUStruct);
ClearStruct(&FileName);
GenericPDUStruct.choice = ASNfile_StartPDU_chosen;
FileName.value = m_szFileName;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNfilesize = m_FileSize;
//struct tm * lpGMDateTime = localtime(&m_FileDateTime);
unsigned Date = HIWORD(m_FileDateTime);
unsigned Time = LOWORD(m_FileDateTime);
_DOS_Date * lpDate = (_DOS_Date *)&Date;
_DOS_Time * lpTime = (_DOS_Time *)&Time;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.year = lpDate->Year + 80;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.month = lpDate->Month;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.day = lpDate->Day;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.hour = lpTime->Hour;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.minute = lpTime->Minute;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.second = lpTime->Second * 2;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNdate_and_time_of_creation.utc = TRUE;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.bit_mask |= ASNfilename_present;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.bit_mask |= ASNdate_and_time_of_creation_present;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.bit_mask |= ASNfilesize_present;
GenericPDUStruct.u.ASNfile_StartPDU.file_header.ASNfilename = &FileName;
GenericPDUStruct.u.ASNfile_StartPDU.file_handle = (ASNHandle)m_FileHandle;
GenericPDUStruct.u.ASNfile_StartPDU.eof_flag = (ossBoolean)m_bIsEOF;
GenericPDUStruct.u.ASNfile_StartPDU.data.length = (unsigned)m_DataLength;
GenericPDUStruct.u.ASNfile_StartPDU.data.value = (unsigned char FAR *)m_lpszDataBuffer;
if(m_CompressionFlags & _MBFT_FILE_COMPRESSED)
{
if(m_CompressionFlags & _MBFT_STANDARD_COMPRESSSION)
{
GenericPDUStruct.u.ASNfile_StartPDU.bit_mask |= ASNFile_StartPDU_compression_specifier_present;
GenericPDUStruct.u.ASNfile_StartPDU.ASNFile_StartPDU_compression_specifier.choice = ASNv42bis_parameters_chosen;
GenericPDUStruct.u.ASNfile_StartPDU.ASNFile_StartPDU_compression_specifier.u.ASNv42bis_parameters.p1 = (unsigned short)m_v42bisP1;
GenericPDUStruct.u.ASNfile_StartPDU.ASNFile_StartPDU_compression_specifier.u.ASNv42bis_parameters.p2 = (unsigned short)m_v42bisP2;
}
}
//Specifying a non standard compression format is simply too complex!!!
LPSTR pBuff = (LPSTR)GetDataBuffer();
m_lpEncodedBuffer = pBuff;
m_lEncodedDataLength = CreateFileHeader(pBuff, T127_FILE_START << 8, &GenericPDUStruct);
pBuff += m_lEncodedDataLength;
m_lEncodedDataLength += m_DataLength + sizeof(T127_FILE_START_DATA_BLOCK_HEADER);
((T127_FILE_START_DATA_BLOCK_HEADER*)pBuff)->EOFFlag = m_bIsEOF << 7;
((T127_FILE_START_DATA_BLOCK_HEADER*)pBuff)->CompressionFormat = 1;
((T127_FILE_START_DATA_BLOCK_HEADER*)pBuff)->FileDataSize = SWAPWORD((unsigned)m_DataLength); // File size in bytes
bReturn = TRUE;
return(bReturn);
}
FileDataPDU::FileDataPDU(
LPCSTR lpszEncodedDataBuffer,
MBFTFILEHANDLE iFileHandle,LPCSTR lpszDataBuffer,
int iDataLength,
BOOL bIsEOF,BOOL bAbort,
IT120AppletSession *pAppletSession)
:
GenericPDU(pAppletSession, (LPSTR)lpszEncodedDataBuffer),
m_FileHandle (iFileHandle),
m_lpszDataBuffer (lpszDataBuffer),
m_bIsEOF (bIsEOF),
m_DataLength (iDataLength),
m_bAbort (bAbort)
{
}
BOOL FileDataPDU::Encode(void)
{
m_lpEncodedBuffer = (LPSTR)GetDataBuffer();
if(m_lpEncodedBuffer)
{ T127_FILE_DATA_HEADER* pBuff = (T127_FILE_DATA_HEADER*)m_lpEncodedBuffer;
pBuff->PDUHeader.pduType = T127_FILE_DATA;
pBuff->PDUHeader.fileHandle = SWAPWORD(m_FileHandle);
pBuff->DataHeader.EOFFlag = (m_bIsEOF << 7) | (m_bAbort << 6);
pBuff->DataHeader.FileDataSize = SWAPWORD((unsigned)m_DataLength);
}
m_lEncodedDataLength = m_DataLength + sizeof(T127_FILE_DATA_HEADER);
return (TRUE);
}
PrivateChannelInvitePDU::PrivateChannelInvitePDU(ChannelID wControlChannelID,
ChannelID wDataChannelID,
BOOL bIsBroadcast) : GenericPDU()
{
m_ControlChannelID = wControlChannelID;
m_DataChannelID = wDataChannelID;
m_bIsBroadcast = bIsBroadcast;
}
BOOL PrivateChannelInvitePDU::Encode(void)
{
BOOL bReturn = FALSE;
if(m_ControlChannelID >= MIN_ASNDynamicChannelID &&
m_ControlChannelID <= MAX_ASNDynamicChannelID &&
m_DataChannelID >= MIN_ASNDynamicChannelID &&
m_DataChannelID <= MAX_ASNDynamicChannelID)
{
m_lEncodedDataLength = sizeof(T127_PRIVATE_CHANNEL_INVITE);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_PRIVATE_CHANNEL_INVITE * pBuff = (T127_PRIVATE_CHANNEL_INVITE *)&m_lpEncodedBuffer[0];
pBuff->pduType = T127_PRIVATE_CHANNEL_JOIN_INVITE;
pBuff->ControlChannel = SWAPWORD(m_ControlChannelID - MIN_ASNDynamicChannelID);
pBuff->DataChannel = SWAPWORD(m_DataChannelID - MIN_ASNDynamicChannelID);
pBuff->EncodingMode = 0; // Encoding for acknowledge mode (FALSE) = 0
// Encoding for broadcast mode (TRUE) = 0x80 10000000b
bReturn = TRUE;
}
}
return(bReturn);
}
PrivateChannelResponsePDU::PrivateChannelResponsePDU(ChannelID wControlChannelID,
BOOL bJoinedChannel) : GenericPDU()
{
m_ControlChannelID = wControlChannelID;
m_bJoinedChannel = bJoinedChannel;
}
BOOL PrivateChannelResponsePDU::Encode(void)
{
m_lEncodedDataLength = sizeof(T127_FILE_ERROR_HEADER);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)m_lpEncodedBuffer;
pBuff->PDUHeader.pduType = T127_FILE_REJECT;
pBuff->PDUHeader.fileHandle = SWAPWORD(m_ControlChannelID - MIN_ASNDynamicChannelID);
pBuff->errorCode = m_bJoinedChannel ?
static_cast<BYTE>(ASNPrivate_Channel_Join_ResponsePDU_result_successful << 5) :
static_cast<BYTE>(ASNinvitation_rejected << 5);
return(TRUE);
}
return FALSE;
}
NonStandardPDU::NonStandardPDU(LPCSTR lpszEncodedDataBuffer,
LPCSTR lpszKey,LPVOID lpBuffer,
unsigned BufferLength,
IT120AppletSession *pAppletSession)
:
GenericPDU()
{
m_pAppletSession = pAppletSession;
m_lpEncodedBuffer = (LPSTR)lpszEncodedDataBuffer;
m_szKey = lpszKey;
m_lpBuffer = lpBuffer;
m_BufferLength = BufferLength;
}
BOOL NonStandardPDU::Encode(void)
{
BOOL bReturn = FALSE;
BYTE nonStandardPDUlenght = lstrlen(m_szKey) + 1;
m_lEncodedDataLength = nonStandardPDUlenght + m_BufferLength + 4;
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
LPSTR pBuff = m_lpEncodedBuffer;
if(m_lpEncodedBuffer)
{
*pBuff++ = T127_MBFT_NONSTANDARD | ASNh221NonStandard_chosen;
*pBuff++ = (BYTE)((nonStandardPDUlenght - 4) << 1);
memcpy(pBuff,m_szKey,nonStandardPDUlenght);
pBuff += nonStandardPDUlenght;
if(m_BufferLength > 0x7F)
{
*pBuff++ = LOBYTE(m_BufferLength) & 0x80; // List of fields
}
*pBuff++ = (m_BufferLength &0x7F);
memcpy(pBuff,m_lpBuffer,m_BufferLength);
bReturn = TRUE;
}
}
return(bReturn);
}
FileErrorPDU::FileErrorPDU(unsigned iFileHandle,int ErrorType,int ErrorCode)
{
m_FileHandle = iFileHandle;
m_ErrorType = ErrorType;
m_ErrorCode = ErrorCode;
}
BOOL FileErrorPDU::Encode(void)
{
BYTE sizeOfErrorID = GetLengthFieldSize(m_ErrorCode);
m_lEncodedDataLength = sizeof(T127_FILE_ERROR_HEADER) + sizeOfErrorID;
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)m_lpEncodedBuffer;
pBuff->PDUHeader.pduType = T127_FILE_ERROR |(ASNFile_ErrorPDU_file_handle_present >> 6);
pBuff->PDUHeader.fileHandle = SWAPWORD(m_FileHandle);
pBuff->errorCode = ((m_ErrorType == MBFT_INFORMATIVE_ERROR) ?
ASNinformative :
(m_ErrorType == MBFT_PERMANENT_ERROR) ?
ASNpermanent_error : ASNtransient_error) << 5;
return(TRUE);
}
return FALSE;
}
MBFTPDUType GenericPDU::DecodePDU
(
LPSTR lpEncodedBuffer,
LONG lBufferSize,
class GenericPDU **lplpGenericPDU,
LPCSTR *lpDecodedPDU,
UserID MBFTUserID,
IT120AppletSession *pAppletSession
)
{
MBFTPDUType ReturnPDUType = EnumUnknownPDU;
int PDUNumber = ASNMBFTPDU_PDU;
LPSTR lpDecodedBuffer = NULL;
*lplpGenericPDU = NULL;
// Filter the pdu, they are allways in 8 increments 0x0,0x8,0x10....
if(lpEncodedBuffer)
{
switch((BYTE)*lpEncodedBuffer & 0xF8)
{
case T127_FILE_DATA:
{
TRACE("DecodePDU: T127_FILE_DATA");
T127_FILE_DATA_HEADER* pBuff = (T127_FILE_DATA_HEADER*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileDataPDU( lpEncodedBuffer,
SWAPWORD(pBuff->PDUHeader.fileHandle),
(LPCSTR)lpEncodedBuffer + sizeof(T127_FILE_DATA_HEADER),
SWAPWORD(pBuff->DataHeader.FileDataSize),
pBuff->DataHeader.EOFFlag & 0x80 ? TRUE : FALSE,
pBuff->DataHeader.EOFFlag & 0x40 ? TRUE : FALSE,
pAppletSession);
ReturnPDUType = EnumFileDataPDU;
}
break;
case T127_FILE_ACCEPT:
{
TRACE("DecodePDU: T127_FILE_ACCEPT");
T127_FILE_PDU_HEADER* pBuff = (T127_FILE_PDU_HEADER*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileAcceptPDU(SWAPWORD(pBuff->fileHandle));
ReturnPDUType = EnumFileAcceptPDU;
}
break;
case T127_FILE_REJECT:
{
TRACE("DecodePDU: T127_FILE_REJECT");
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileRejectPDU(SWAPWORD(pBuff->PDUHeader.fileHandle));
ReturnPDUType = EnumFileRejectPDU;
}
break;
case T127_FILE_DENY:
{
TRACE("DecodePDU: T127_FILE_DENY");
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileDenyPDU(SWAPWORD(pBuff->PDUHeader.fileHandle), pBuff->errorCode >> 4);
ReturnPDUType = EnumFileDenyPDU;
}
break;
case T127_FILE_ERROR:
{
TRACE("DecodePDU: T127_FILE_ERROR");
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)lpEncodedBuffer;
int ErrorType = (pBuff->errorCode >> 5 == ASNpermanent_error) ?
MBFT_PERMANENT_ERROR :
(pBuff->errorCode >> 5 == ASNtransient_error) ?
MBFT_TRANSIENT_ERROR : MBFT_INFORMATIVE_ERROR;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileErrorPDU(SWAPWORD(pBuff->PDUHeader.fileHandle), ErrorType, NULL);
ReturnPDUType = EnumFileErrorPDU;
}
break;
case T127_FILE_ABORT:
{
TRACE("DecodePDU: T127_FILE_ABORT");
T127_FILE_ABORT_PDU* pBuff = (T127_FILE_ABORT_PDU*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileAbortPDU(SWAPWORD(pBuff->dataChannel) + 1,
SWAPWORD(pBuff->transmitterUserId)+ MIN_ASNDynamicChannelID,
SWAPWORD(pBuff->fileHandle));
ReturnPDUType = EnumFileAbortPDU;
}
break;
case T127_MBFT_NONSTANDARD:
{
TRACE("DecodePDU: T127_MBFT_NONSTANDARD");
LPSTR pBuff = lpEncodedBuffer + 1;
unsigned int KeyLength = (((BYTE)*pBuff++) >> 1) + 4;
LPCSTR lpszKey = pBuff;
pBuff += KeyLength;
unsigned int Length = 0;
if((BYTE)*pBuff & 0x80)
{
Length = (*pBuff++ & 0x7F) << 8; // List of fields
}
Length += *pBuff++;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new NonStandardPDU(lpEncodedBuffer,lpszKey,pBuff,Length, pAppletSession);
ReturnPDUType = EnumNonStandardPDU;
}
break;
case T127_FILE_OFFER:
{
TRACE("DecodePDU: T127_FILE_OFFER");
BYTE lpszFileName[2*MAX_PATH];
LONG FileSize = 0;
unsigned long FileDateTime = (unsigned long)-1;
T127_FILE_OFFER_PDU * pFileOfferPDU = (T127_FILE_OFFER_PDU * )GetFileInfo(lpEncodedBuffer, &lpszFileName[0], &FileSize, &FileDateTime);
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileOfferPDU( (LPCSTR)lpszFileName,
SWAPWORD(pFileOfferPDU->FileHandle),
FileSize,
FileDateTime,
SWAPWORD(pFileOfferPDU->ChannelID) + 1,
pFileOfferPDU->AckFlag ? TRUE : FALSE,
SWAPWORD(pFileOfferPDU->RosterInstance),
0, // CompressionFlags,
NULL,// lpszCompressionFormat,
0, // v42bisP1,
0); // v42bisP2
ReturnPDUType = EnumFileOfferPDU;
}
break;
case T127_FILE_START:
{
TRACE("DecodePDU: T127_FILE_START");
BYTE lpszFileName[2*MAX_PATH];
LONG FileSize = 0;
unsigned long FileDateTime = (unsigned long)-1;
BYTE * pBuff = GetFileInfo(lpEncodedBuffer, &lpszFileName[0], &FileSize, &FileDateTime);
T127_FILE_START_PDU * pFileStartPDU = (T127_FILE_START_PDU * ) pBuff;
T127_FILE_START_DATA_BLOCK_HEADER *pFileDataHeader = (T127_FILE_START_DATA_BLOCK_HEADER*)(pBuff + sizeof(T127_FILE_START_PDU));
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileStartPDU(lpEncodedBuffer,
(LPCSTR)lpszFileName,
SWAPWORD(pFileStartPDU->FileHandle),
FileSize,
FileDateTime,
(LPCSTR)pBuff + sizeof(T127_FILE_START_PDU)+sizeof(T127_FILE_START_DATA_BLOCK_HEADER),
SWAPWORD(pFileDataHeader->FileDataSize),
pFileDataHeader->EOFFlag ? TRUE : FALSE,
0, // CompressionFlags,
NULL,// lpszCompressionFormat,
0, // v42bisP1,
0,
pAppletSession); // v42bisP2
ReturnPDUType = EnumFileStartPDU;
}
break;
case T127_FILE_REQUEST:
{
TRACE("DecodePDU: T127_FILE_REQUEST");
BYTE lpszFileName[2*MAX_PATH];
LONG FileSize = 0;
unsigned long FileDateTime = (unsigned long)-1;
BYTE * pBuff = GetFileInfo(lpEncodedBuffer, &lpszFileName[0], &FileSize, &FileDateTime);
T127_FILE_OFFER_PDU * pFileRequestPDU = (T127_FILE_OFFER_PDU * ) pBuff;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new FileRequestPDU(NULL,
SWAPWORD(pFileRequestPDU->ChannelID) + 1,
SWAPWORD(pFileRequestPDU->FileHandle));
ReturnPDUType = EnumFileRequestPDU;
}
break;
case T127_DIRECTORY_REQUEST:
{
TRACE("DecodePDU: T127_FILE_REQUEST");
LPCSTR lpszPathName = NULL;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new DirectoryRequestPDU(lpszPathName);
ReturnPDUType = EnumDirectoryRequestPDU;
}
break;
case T127_MBFT_PRIVILEGE_ASSIGN:
{
TRACE("DecodePDU: T127_MBFT_PRIVILEGE_ASSIGN");
T127_PRIVILEGE_REQUEST_PDU *pBuff = (T127_PRIVILEGE_REQUEST_PDU*)lpEncodedBuffer;
unsigned PrivilegeWord = 0;
int Index;
for(Index = 0;Index < pBuff->nPrivileges; Index++)
{
if(!(Index & 0x01))
{
PrivilegeWord <<=4;
PrivilegeWord |= ((pBuff->privileges[Index >> 1] & 0xF0) >> 4);
}
else
{
PrivilegeWord |= (pBuff->privileges[Index >> 1] & 0x0F);
}
}
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new PrivilegeAssignPDU(PrivilegeWord);
ReturnPDUType = EnumPrivilegeAssignPDU;
}
break;
case T127_PRIVATE_CHANNEL_JOIN_INVITE:
{
TRACE("DecodePDU: T127_PRIVATE_CHANNEL_JOIN_INVITE");
T127_PRIVATE_CHANNEL_INVITE * pBuff = (T127_PRIVATE_CHANNEL_INVITE *)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new PrivateChannelInvitePDU( SWAPWORD(pBuff->ControlChannel) + MIN_ASNDynamicChannelID,
SWAPWORD(pBuff->DataChannel) + MIN_ASNDynamicChannelID,
pBuff->EncodingMode);
ReturnPDUType = EnumPrivateChannelInvitePDU;
}
break;
case T127_PRIVATE_CHANNEL_JOIN_RESPONSE:
{
TRACE("DecodePDU: T127_PRIVATE_CHANNEL_JOIN_RESPONSE");
T127_PRIVATE_CHANNEL_RESPONSE* pBuff = (T127_PRIVATE_CHANNEL_RESPONSE*)lpEncodedBuffer;
DBG_SAVE_FILE_LINE
*lplpGenericPDU = new PrivateChannelResponsePDU(SWAPWORD(pBuff->ControlChannel) + MIN_ASNDynamicChannelID,
pBuff->Response >> 5 == ASNPrivate_Channel_Join_ResponsePDU_result_successful);
ReturnPDUType = EnumPrivateChannelResponsePDU;
}
break;
case T127_DIRECTORY_RESPONSE:
case T127_MBFT_PRIVILEGE_REQUEST:
default:
TRACE("WARNING DecodePDU: Unknown PDU");
break;
}
}
return(ReturnPDUType);
}
BOOL FileErrorPDU::ExtractErrorCode(LPCSTR lpszString,
int iLength,
int * lpAPIErrorCode)
{
BOOL bCodeExtracted = FALSE;
if(iLength > sizeof(szProshareError))
{
if(!_fmemcmp(lpszString,szProshareError,sizeof(szProshareError) - 1))
{
bCodeExtracted = TRUE;
*lpAPIErrorCode = (int) DecimalStringToUINT(&lpszString[sizeof(szProshareError) - 1]);
}
}
return(bCodeExtracted);
}
BOOL FileErrorPDU::XlatErrorCode(int * lpAPIErrorCode,int * lpMBFTErrorCode,
BOOL bXlatToAPI)
{
BOOL bMatchFound = FALSE;
static struct
{
ASNErrorID iMBFTErrorCode;
MBFT_ERROR_CODE iAPIErrorCode;
} ErrorXlat[] = {
/*{ASNno_reason, iMBFT_UNKNOWN_ERROR},*/
{ASNresponder_error, iMBFT_UNKNOWN_ERROR},
{ASNsystem_shutdown, iMBFT_UNKNOWN_ERROR},
{ASNbft_management_problem, iMBFT_UNKNOWN_ERROR},
{ASNbft_management_bad_account, iMBFT_UNKNOWN_ERROR},
{ASNbft_management_security_not_passed, iMBFT_UNKNOWN_ERROR},
{ASNdelay_may_be_encountered, iMBFT_UNKNOWN_ERROR},
{ASNinitiator_error, iMBFT_UNKNOWN_ERROR},
{ASNsubsequent_error, iMBFT_UNKNOWN_ERROR},
{ASNtemporal_insufficiency_of_resources, iMBFT_UNKNOWN_ERROR},
{ASNaccess_request_violates_VFS_security, iMBFT_UNKNOWN_ERROR},
{ASNaccess_request_violates_local_security, iMBFT_UNKNOWN_ERROR},
{ASNconflicting_parameter_values, iMBFT_UNKNOWN_ERROR},
{ASNunsupported_parameter_values, iMBFT_UNKNOWN_ERROR},
{ASNmandatory_parameter_not_set, iMBFT_UNKNOWN_ERROR},
{ASNunsupported_parameter, iMBFT_UNKNOWN_ERROR},
{ASNduplicated_parameter, iMBFT_UNKNOWN_ERROR},
{ASNillegal_parameter_type, iMBFT_UNKNOWN_ERROR},
{ASNunsupported_parameter_types, iMBFT_UNKNOWN_ERROR},
{ASNbft_protocol_error, iMBFT_UNKNOWN_ERROR},
{ASNbft_protocol_error_procedure_error, iMBFT_UNKNOWN_ERROR},
/*{ASNbft_protocol_error_functional_unit_err, iMBFT_UNKNOWN_ERROR},*/
{ASNbft_protocol_error_corruption_error, iMBFT_UNKNOWN_ERROR},
{ASNlower_layer_failure, iMBFT_UNKNOWN_ERROR},
{ASNtimeout, iMBFT_UNKNOWN_ERROR},
{ASNbad_account, iMBFT_UNKNOWN_ERROR},
{ASNinvalid_filestore_password, iMBFT_UNKNOWN_ERROR},
{ASNfilename_not_found, iMBFT_UNKNOWN_ERROR},
{ASNinitial_attributes_not_possible, iMBFT_UNKNOWN_ERROR},
{ASNbad_attribute_name, iMBFT_UNKNOWN_ERROR},
{ASNnon_existent_file, iMBFT_UNKNOWN_ERROR},
{ASNfile_already_exists, iMBFT_UNKNOWN_ERROR},
{ASNfile_cannot_be_created, iMBFT_FILE_ACCESS_DENIED},
{ASNfile_busy, iMBFT_FILE_SHARING_VIOLATION},
{ASNfile_not_available, iMBFT_FILE_SHARING_VIOLATION},
{ASNfilename_truncated, iMBFT_UNKNOWN_ERROR},
{ASNinitial_attributes_altered, iMBFT_UNKNOWN_ERROR},
{ASNambiguous_file_specification, iMBFT_UNKNOWN_ERROR},
{ASNattribute_non_existent, iMBFT_UNKNOWN_ERROR},
{ASNattribute_not_supported, iMBFT_UNKNOWN_ERROR},
{ASNbad_attribute_value, iMBFT_UNKNOWN_ERROR},
{ASNattribute_partially_supported, iMBFT_UNKNOWN_ERROR},
{ASNbad_data_element_type, iMBFT_UNKNOWN_ERROR},
{ASNoperation_not_available, iMBFT_UNKNOWN_ERROR},
{ASNoperation_not_supported, iMBFT_UNKNOWN_ERROR},
{ASNoperation_inconsistent, iMBFT_UNKNOWN_ERROR},
{ASNbad_write, iMBFT_FILE_IO_ERROR},
{ASNbad_read, iMBFT_FILE_IO_ERROR},
{ASNlocal_failure, iMBFT_UNKNOWN_ERROR},
{ASNlocal_failure_filespace_exhausted, iMBFT_INSUFFICIENT_DISK_SPACE},
{ASNlocal_failure_data_corrupted, iMBFT_UNKNOWN_ERROR},
{ASNlocal_failure_device_failure, iMBFT_UNKNOWN_ERROR},
{ASNfuture_filesize_increased, iMBFT_UNKNOWN_ERROR}};
int Index;
for(Index = 0;Index < (sizeof(ErrorXlat) / sizeof(ErrorXlat[0]));Index++)
{
if(bXlatToAPI)
{
if(ErrorXlat[Index].iMBFTErrorCode == *lpMBFTErrorCode)
{
*lpAPIErrorCode = ErrorXlat[Index].iAPIErrorCode;
bMatchFound = TRUE;
}
}
else
{
if(ErrorXlat[Index].iAPIErrorCode == *lpAPIErrorCode)
{
*lpMBFTErrorCode = ErrorXlat[Index].iMBFTErrorCode;
bMatchFound = TRUE;
}
}
if(bMatchFound)
{
break;
}
}
if(!bMatchFound)
{
if(!bXlatToAPI)
{
*lpMBFTErrorCode = ASNno_reason;
}
}
return(bMatchFound);
}
FileRequestPDU::FileRequestPDU(LPCSTR lpszFileName,ChannelID wDataChannelID,
unsigned uRequestHandle)
{
if(lpszFileName)
{
lstrcpyn(m_szFileName,lpszFileName,sizeof(m_szFileName));
}
else
{
lstrcpy(m_szFileName,"");
}
m_DataChannelID = wDataChannelID;
m_uRequestHandle = uRequestHandle;
}
BOOL FileRequestPDU::Encode(void)
{
TRACE("*** WARNING (OSSHELP): Attempt to call unimplemented FileRequestPDU::Encode***\n");
return(FALSE);
}
FileDenyPDU::FileDenyPDU(unsigned uRequestHandle,unsigned uReason)
{
m_uRequestHandle = uRequestHandle;
m_uReason = uReason;
}
BOOL FileDenyPDU::Encode(void)
{
m_lEncodedDataLength = sizeof(T127_FILE_ERROR_HEADER);
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
T127_FILE_ERROR_HEADER* pBuff = (T127_FILE_ERROR_HEADER*)m_lpEncodedBuffer;
pBuff->PDUHeader.pduType = T127_FILE_REJECT;
pBuff->PDUHeader.fileHandle = SWAPWORD(m_uRequestHandle);
pBuff->errorCode = m_uReason ?
static_cast<BYTE>((ASN_enum2)m_uReason << 4) :
static_cast<BYTE>(ASNFile_DenyPDU_reason_unspecified << 4);
return(TRUE);
}
return FALSE;
}
DirectoryRequestPDU::DirectoryRequestPDU(LPCSTR lpszPathName)
{
if(lpszPathName)
{
lstrcpyn(m_szPathName,lpszPathName,sizeof(m_szPathName));
}
else
{
lstrcpy(m_szPathName,"");
}
}
BOOL DirectoryRequestPDU::Encode(void)
{
TRACE("*** WARNING (OSSHELP): Attempt to call unimplemented DirectoryRequestPDU::Encode***\n");
return(FALSE);
}
DirectoryResponsePDU::DirectoryResponsePDU(unsigned uResult)
{
m_uResult = uResult;
}
BOOL DirectoryResponsePDU::Encode(void)
{
m_lEncodedDataLength = sizeof(BYTE)*2;
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[m_lEncodedDataLength];
if (NULL != m_lpEncodedBuffer)
{
m_lpEncodedBuffer[0] = T127_DIRECTORY_RESPONSE;
m_lpEncodedBuffer[1] = m_uResult << 6;
return(TRUE);
}
return FALSE;
}
PrivilegeRequestPDU::PrivilegeRequestPDU(unsigned wPrivilege)
{
m_PrivilegeWord = wPrivilege;
}
BOOL PrivilegeRequestPDU::Encode(void)
{
struct
{
MBFTPrivilege iMBFTPrivilege;
ASNMBFTPrivilege iASNPrivilege;
} static PrivilegeArray[] = {{EnumFileTransfer,ASNfile_transmit_privilege},
{EnumFileRequest,ASNfile_request_privilege},
{EnumPrivateChannel,ASNcreate_private_privilege},
{EnumPriority,ASNmedium_priority_privilege},
{EnumAbort,ASNabort_privilege},
{EnumNonStandard,ASNnonstandard_privilege}};
int Index;
BYTE nPrivileges = 0;
T127_PRIVILEGE_REQUEST_PDU * pBuff;
BYTE privilege;
DBG_SAVE_FILE_LINE
m_lpEncodedBuffer = new char[sizeof(T127_PRIVILEGE_REQUEST_PDU)];
if (NULL != m_lpEncodedBuffer)
{
pBuff = (T127_PRIVILEGE_REQUEST_PDU*)m_lpEncodedBuffer;
for(Index = 0;Index < sizeof(PrivilegeArray) / sizeof(PrivilegeArray[0]);
Index++)
{
if(m_PrivilegeWord & PrivilegeArray[Index].iMBFTPrivilege)
{
privilege = PrivilegeArray[Index].iASNPrivilege;
if(!(nPrivileges & 0x01))
{
pBuff->privileges[nPrivileges >> 1] = 0;
privilege <<=4;
}
pBuff->privileges[(nPrivileges >> 1)] |= privilege;
nPrivileges++;
}
}
pBuff->pduType = T127_MBFT_PRIVILEGE_REQUEST;
pBuff->nPrivileges = nPrivileges;
m_lEncodedDataLength = (LONG)(2 * sizeof(BYTE) +
((nPrivileges >> 1) * sizeof(BYTE)) +
((nPrivileges & 0x1) ? 1 : 0));
return(TRUE);
}
return FALSE;
}
PrivilegeAssignPDU::PrivilegeAssignPDU(unsigned wPrivilege,UserID MBFTUserID)
{
m_PrivilegeWord = wPrivilege;
m_MBFTUserID = MBFTUserID;
}
BOOL PrivilegeAssignPDU::Encode(void)
{
TRACE("*** WARNING (OSSHELP): Attempt to call unimplemented PrivilegeRequestPDU::Encode***\n");
return(FALSE);
}
BOOL PrivilegeAssignPDU::XlatPrivilegeCode(unsigned iPrivilegeCode,unsigned * lpMBFTCode)
{
BOOL bReturn = FALSE;
struct
{
MBFTPrivilege iMBFTPrivilege;
ASNMBFTPrivilege iASNPrivilege;
} static PrivilegeArray[] = {{EnumFileTransfer,ASNfile_transmit_privilege},
{EnumFileRequest,ASNfile_request_privilege},
{EnumPrivateChannel,ASNcreate_private_privilege},
{EnumPriority,ASNmedium_priority_privilege},
{EnumAbort,ASNabort_privilege},
{EnumNonStandard,ASNnonstandard_privilege}};
int Index;
for(Index = 0;Index < sizeof(PrivilegeArray) / sizeof(PrivilegeArray[0]);
Index++)
{
if((unsigned)PrivilegeArray[Index].iASNPrivilege == iPrivilegeCode)
{
*lpMBFTCode = PrivilegeArray[Index].iMBFTPrivilege;
bReturn = TRUE;
break;
}
}
return(bReturn);
}
unsigned PrivilegeAssignPDU::ConstructPrivilegeWord(LPVOID lpPrivilegeStruct,
ChannelID MBFTUserID)
{
struct ASNMBFT_Privilege_AssignPDU::ASN_setof5 * lpNextSet = (struct ASNMBFT_Privilege_AssignPDU::ASN_setof5 *)lpPrivilegeStruct;
struct ASNMBFT_Privilege_AssignPDU::ASN_setof5::temptag::ASN_setof4 * lpNextPrivilege;
unsigned Temp,wPrivilegeWord;
wPrivilegeWord = 0;
while(lpNextSet)
{
if(lpNextSet->value.mbftID == MBFTUserID)
{
lpNextPrivilege = lpNextSet->value.mbft_privilege;
while(lpNextPrivilege)
{
Temp = 0;
XlatPrivilegeCode(lpNextPrivilege->value,&Temp);
wPrivilegeWord |= Temp;
lpNextPrivilege = lpNextPrivilege->next;
}
break;
}
lpNextSet = lpNextSet->next;
}
return(wPrivilegeWord);
}
FileEndAcknowledgePDU::FileEndAcknowledgePDU(int iFileHandle)
{
m_FileHandle = iFileHandle;
}
BOOL FileEndAcknowledgePDU::Encode(void)
{
TRACE("OSSHELP: Invalid attempt to encode FileEndAcknowledgePDU\n");
return(FALSE);
}
ChannelLeavePDU::ChannelLeavePDU(ChannelID wControlChannelID,int iErrorCode)
{
m_ChannelID = wControlChannelID;
m_ErrorCode = iErrorCode;
}
BOOL ChannelLeavePDU::Encode(void)
{
TRACE("OSSHELP:Invalid attempt to encode ChannelLeavePDU\n");
return(FALSE);
}
BYTE GetLengthFieldSize (ULONG length)
{
BYTE size = 0;
BOOL bLastBitSet = FALSE;
do
{
bLastBitSet = ((BYTE)length & 0x80 ? TRUE : FALSE);
size++;
}while(length >>=8);
if(bLastBitSet)
{
size++;
}
return (size);
}
BYTE * GetFirstField (BYTE * pBuff, WORD * bufferLength)
{
BYTE * pFirstField = NULL;
WORD fieldSize;
BYTE * pBuffStart = pBuff;
BYTE numberOfItems = *pBuff++;
while(numberOfItems --)
{
fieldSize = *pBuff++;
if(fieldSize & 0x80)
{
fieldSize = ((fieldSize & 0x7F) << 8) + *pBuff++;
}
if(!pFirstField)
{
pFirstField = pBuff;
}
pBuff += fieldSize;
}
*bufferLength = (WORD)(pBuff - pBuffStart);
return ( pFirstField);
}
VOID SetLengthField(BYTE * pBuff, BYTE sizeOfLength, ULONG lengthOfField)
{
*pBuff = sizeOfLength;
pBuff += sizeOfLength;
while(sizeOfLength--)
{
*pBuff-- = LOBYTE(lengthOfField);
lengthOfField >>=8;
}
}
VOID GetFileHeaderSize (FILE_HEADER_INFO* fileHeader)
{
// File Size
fileHeader->nBytesForFileSize = GetLengthFieldSize(fileHeader->fileSize);
// File Name
fileHeader->fileNameSize = lstrlen(fileHeader->fileName);
// Pdu Size
fileHeader->pduSize = 1 + // PDU type
4 + // File Header bitmask
((fileHeader->fileNameSize) > 0x7F ? 2 : 1) + // Number of bytes needed to express the size of the file name
1 + // File name size, if the file name is size is > 0x80, use the first four bits of the previous byte
fileHeader->fileNameSize +
1 + // Size of data time info
15 + // yyyymmddhhmmss[utc]
1 + // number of bytes to hold filesize
fileHeader->nBytesForFileSize + // file size
(fileHeader->pduType == T127_FILE_START ? sizeof(T127_FILE_START_PDU) : sizeof(T127_FILE_OFFER_PDU) );
}
#define DEFAULT_LOCALE_LANGAUGE (MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US))
BOOL IsEnglishLocale(void)
{
TCHAR szTemp[16];
TCHAR szLang[16];
::LoadString(g_hDllInst, IDS_LANGNAME, szLang, 16);
if (GetLocaleInfo(LOCALE_SYSTEM_DEFAULT,
LOCALE_ILANGUAGE, szTemp, 16))
{
// Compare with Englist language
return (!_StrCmpN(szLang, szTemp, 4));
}
return FALSE;
}
BOOL HasDBCSCharacter(LPSTR pszStr)
{
while (*pszStr)
{
if (IsDBCSLeadByte((BYTE)*pszStr))
return TRUE;
pszStr = ::CharNext(pszStr);
}
return FALSE;
}
BYTE* GetFileInfo (LPSTR lpEncodedBuffer, BYTE * lpszFileName, LONG * FileSize, ULONG* FileDateTime )
{
WORD fieldSize;
BYTE * pFields;
DWORD presentFields;
T127_FILE_OFFER_PRESENT_FIELDS * ppresentFields;
pFields = (BYTE*)(lpEncodedBuffer + 1);
// Present fields
presentFields = *pFields++ << 24;
presentFields |= *pFields++ << 16;
presentFields |= *pFields++ << 8;
presentFields |= *pFields++;
if(*lpEncodedBuffer == T127_FILE_START)
{
presentFields >>=4;
}
ppresentFields = (T127_FILE_OFFER_PRESENT_FIELDS *)&presentFields;
// Skip version
if ((*ppresentFields).wASNprotocol_version_present)
{
pFields += 2;
}
// Get the File Name
if ((*ppresentFields).wASNfilename_present)
{
BYTE * pOldField = pFields;
BYTE * pFileName = GetFirstField(pFields, &fieldSize);
BYTE fileNameSize = fieldSize - (BYTE)(pFileName - pOldField);
memcpy (lpszFileName, pFileName, fileNameSize);
lpszFileName[fileNameSize] = 0;
pFields += fieldSize;
}
// Skip actions
if ((*ppresentFields).wASNpermitted_actions_present)
{
pFields += 2;
}
// Skip contents
if ((*ppresentFields).wASNcontents_type_present)
{
pFields += 4;
}
// Get time of Creation
if ((*ppresentFields).wASNdate_and_time_of_creation_present)
{
GeneralizedTime ASNDateTime;
BYTE dateTime [SIZE_OF_DATE_TIME_STRING + 1];
memcpy(dateTime,pFields, SIZE_OF_DATE_TIME_STRING + 1);
// Get UTC
fieldSize = *pFields;
if(fieldSize == SIZE_OF_DATE_TIME_STRING + 1)
{
ASNDateTime.utc = TRUE;
dateTime[fieldSize] = 0;
}
// Null terminate the date,time
ASNDateTime.second = (short)DecimalStringToUINT((LPCTSTR)&dateTime[13]);
dateTime[13] = 0;
ASNDateTime.minute = (short)DecimalStringToUINT((LPCTSTR)&dateTime[11]);
dateTime[11] = 0;
ASNDateTime.hour = (short)DecimalStringToUINT((LPCTSTR)&dateTime[9]);
dateTime[9] = 0;
ASNDateTime.day = (short)DecimalStringToUINT((LPCTSTR)&dateTime[7]);
dateTime[7] = 0;
ASNDateTime.month = (short)DecimalStringToUINT((LPCTSTR)&dateTime[5]);
dateTime[5] = 0;
ASNDateTime.year = (short)DecimalStringToUINT((LPCTSTR)&dateTime[1]);
*FileDateTime = DecodeTimeDate(ASNDateTime);
pFields += fieldSize + 1;
}
// Skip time of last modification
if ((*ppresentFields).wASNdate_and_time_of_last_modification_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Skip time of last read access
if ((*ppresentFields).wASNdate_and_time_of_last_read_access_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Get File Size
if((*ppresentFields).wASNfilesize_present)
{
fieldSize = *pFields++;
while(fieldSize--)
{
*FileSize <<= 8;
*FileSize += LOBYTE(*pFields++);
}
}
// Skip Future File Size
if((*ppresentFields).wASNfuture_filesize_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Skip ASNaccess_control_present
if((*ppresentFields).wASNaccess_control_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip private use itemns
if((*ppresentFields).wASNprivate_use_present)
{
if(*pFields & ASNdirect_reference_present)
{ pFields++;
pFields += *pFields + 1;
}
if(*pFields & ASNindirect_reference_present)
{ pFields++;
pFields += *pFields + 1;
}
}
// Skip ASNstructure_present
if((*ppresentFields).wASNstructure_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Skip ASNapplication_reference_present
if((*ppresentFields).wASNapplication_reference_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip ASNmachine_present
if((*ppresentFields).wASNmachine_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip ASNoperating_system_present
if((*ppresentFields).wASNoperating_system_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Skip ASNrecipient_present
if((*ppresentFields).wASNrecipient_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip ASNcharacter_set_present
if((*ppresentFields).wASNcharacter_set_present)
{
fieldSize = *pFields++;
pFields += fieldSize;
}
// Skip ASNcompression_present
if((*ppresentFields).wASNcompression_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip ASNenvironment_present
if((*ppresentFields).wASNenvironment_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip pathname
if((*ppresentFields).wASNFileHeader_pathname_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
// Skip ASNuser_visible_string_present
if((*ppresentFields).wASNuser_visible_string_present)
{
GetFirstField(pFields, &fieldSize);
pFields += fieldSize;
}
return pFields;
}
LONG CreateFileHeader(LPSTR pFileHeader, WORD pduType, ASNMBFTPDU* GenericPDUStruct)
{
FILE_HEADER_INFO fileHeaderInfo;
fileHeaderInfo.fileName = (((((*GenericPDUStruct).u).ASNfile_StartPDU).file_header).ASNfilename)->value;
fileHeaderInfo.fileSize = ((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNfilesize;
fileHeaderInfo.pduType = HIBYTE(pduType);
GetFileHeaderSize(&fileHeaderInfo);
//
// If we don't have a pointer to return the header, just return the size
//
if(pFileHeader == NULL)
{
return(fileHeaderInfo.pduSize);
}
MBFT_ERROR_CODE iErrorCode = iMBFT_OK;
MBFT_ERROR_TYPES iErrorType = MBFT_TRANSIENT_ERROR;
LPSTR pFileOfferPDU = pFileHeader;
// PDU Type
*pFileOfferPDU++ = HIBYTE(pduType);
DWORD fieldsInHeader = filename_present|date_and_time_of_creation_present|filesize_present;
if(HIBYTE(pduType) == T127_FILE_START)
{
fieldsInHeader <<=4;
}
// Swap Dword
fieldsInHeader = ((fieldsInHeader & 0xFF000000) >> 24) +
((fieldsInHeader & 0x00FF0000) >> 8) +
((fieldsInHeader & 0x0000FF00) << 8) +
((fieldsInHeader & 0x000000FF) << 24) |
LOBYTE(pduType);
// Present Fields in file header
((T127_FILE_HEADER*)pFileOfferPDU)->presentFields = fieldsInHeader;
pFileOfferPDU +=sizeof(DWORD);
// File Name
*pFileOfferPDU++ = 0x01;
if(fileHeaderInfo.fileNameSize > 0x7F)
{
*pFileOfferPDU++ = 0x80 | HIBYTE(fileHeaderInfo.fileNameSize);
*pFileOfferPDU++ = LOBYTE(fileHeaderInfo.fileNameSize);
}
else
{
*pFileOfferPDU++ = (BYTE)fileHeaderInfo.fileNameSize;
}
lstrcpy((CHAR*)pFileOfferPDU, fileHeaderInfo.fileName);
pFileOfferPDU += fileHeaderInfo.fileNameSize;
// Date and time
*pFileOfferPDU++ = SIZE_OF_DATE_TIME_STRING + 1;
wsprintf((CHAR*)pFileOfferPDU, "%04d%02d%02d%02d%02d%02d",
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.year,
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.month,
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.day,
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.hour,
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.minute,
((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_header).ASNdate_and_time_of_creation.second);
ASSERT(SIZE_OF_DATE_TIME_STRING == lstrlen(pFileOfferPDU));
pFileOfferPDU += SIZE_OF_DATE_TIME_STRING;
*pFileOfferPDU++ = 90; // Base year
// File size
SetLengthField((BYTE*)pFileOfferPDU, fileHeaderInfo.nBytesForFileSize, fileHeaderInfo.fileSize);
pFileOfferPDU += fileHeaderInfo.nBytesForFileSize + sizeof(BYTE);
if(HIBYTE(pduType) == T127_FILE_START)
{
((T127_FILE_START_PDU*)pFileOfferPDU)->FileHandle = SWAPWORD((((*GenericPDUStruct).u).ASNfile_StartPDU).file_handle);
}
else
{
((T127_FILE_OFFER_PDU*)pFileOfferPDU)->RosterInstance = SWAPWORD((((*GenericPDUStruct).u).ASNfile_OfferPDU).ASNroster_instance);
((T127_FILE_OFFER_PDU*)pFileOfferPDU)->ChannelID = SWAPWORD((((*GenericPDUStruct).u).ASNfile_OfferPDU).data_channel_id - 1);
((T127_FILE_OFFER_PDU*)pFileOfferPDU)->FileHandle = SWAPWORD((((*GenericPDUStruct).u).ASNfile_OfferPDU).file_handle);
((T127_FILE_OFFER_PDU*)pFileOfferPDU)->AckFlag = 0x80;
}
return(fileHeaderInfo.pduSize);
}