SmbComTransactionpublic abstract class SmbComTransaction extends ServerMessageBlock implements Enumeration
| Fields Summary |
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| private static final int | DEFAULT_MAX_DATA_COUNT | | private static final int | PRIMARY_SETUP_OFFSET | | private static final int | SECONDARY_PARAMETER_OFFSET | | private static final int | DISCONNECT_TID | | private static final int | ONE_WAY_TRANSACTION | | private static final int | PADDING_SIZE | | private int | flags | | private int | fid | | private int | pad | | private int | pad1 | | private boolean | hasMore | | private boolean | isPrimary | | private int | bufParameterOffset | | private int | bufDataOffset | | static final int | TRANSACTION_BUF_SIZE | | static final byte | TRANS2_FIND_FIRST2 | | static final byte | TRANS2_FIND_NEXT2 | | static final byte | TRANS2_QUERY_FS_INFORMATION | | static final byte | TRANS2_QUERY_PATH_INFORMATION | | static final byte | TRANS2_GET_DFS_REFERRAL | | static final byte | TRANS2_SET_FILE_INFORMATION | | static final int | NET_SHARE_ENUM | | static final int | NET_SERVER_ENUM2 | | static final int | NET_SERVER_ENUM3 | | static final byte | TRANS_PEEK_NAMED_PIPE | | static final byte | TRANS_WAIT_NAMED_PIPE | | static final byte | TRANS_CALL_NAMED_PIPE | | static final byte | TRANS_TRANSACT_NAMED_PIPE | | protected int | primarySetupOffset | | protected int | secondaryParameterOffset | | protected int | parameterCount | | protected int | parameterOffset | | protected int | parameterDisplacement | | protected int | dataCount | | protected int | dataOffset | | protected int | dataDisplacement | | int | totalParameterCount | | int | totalDataCount | | int | maxParameterCount | | int | maxDataCount | | byte | maxSetupCount | | int | timeout | | int | setupCount | | byte | subCommand | | String | name | | int | maxBufferSize | | byte[] | txn_buf |
| Constructors Summary |
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SmbComTransaction()
maxParameterCount = 1024;
primarySetupOffset = PRIMARY_SETUP_OFFSET;
secondaryParameterOffset = SECONDARY_PARAMETER_OFFSET;
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| Methods Summary |
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| public boolean | hasMoreElements()
return hasMore;
| | public java.lang.Object | nextElement()
if( isPrimary ) {
isPrimary = false;
parameterOffset = primarySetupOffset + ( setupCount * 2 ) + 2;
if (command != SMB_COM_NT_TRANSACT) {
if( command == SMB_COM_TRANSACTION && isResponse() == false ) {
parameterOffset += stringWireLength( name, parameterOffset );
}
} else if (command == SMB_COM_NT_TRANSACT) {
parameterOffset += 2;
}
pad = parameterOffset % PADDING_SIZE;
pad = pad == 0 ? 0 : PADDING_SIZE - pad;
parameterOffset += pad;
totalParameterCount = writeParametersWireFormat( txn_buf, bufParameterOffset );
bufDataOffset = totalParameterCount; // data comes right after data
int available = maxBufferSize - parameterOffset;
parameterCount = Math.min( totalParameterCount, available );
available -= parameterCount;
dataOffset = parameterOffset + parameterCount;
pad1 = dataOffset % PADDING_SIZE;
pad1 = pad1 == 0 ? 0 : PADDING_SIZE - pad1;
dataOffset += pad1;
totalDataCount = writeDataWireFormat( txn_buf, bufDataOffset );
dataCount = Math.min( totalDataCount, available );
} else {
if (command != SMB_COM_NT_TRANSACT) {
command = SMB_COM_TRANSACTION_SECONDARY;
} else {
command = SMB_COM_NT_TRANSACT_SECONDARY;
}
// totalParameterCount and totalDataCount are set ok from primary
parameterOffset = SECONDARY_PARAMETER_OFFSET;
if(( totalParameterCount - parameterDisplacement ) > 0 ) {
pad = parameterOffset % PADDING_SIZE;
pad = pad == 0 ? 0 : PADDING_SIZE - pad;
parameterOffset += pad;
}
// caclulate parameterDisplacement before calculating new parameterCount
parameterDisplacement += parameterCount;
int available = maxBufferSize - parameterOffset - pad;
parameterCount = Math.min( totalParameterCount - parameterDisplacement, available);
available -= parameterCount;
dataOffset = parameterOffset + parameterCount;
pad1 = dataOffset % PADDING_SIZE;
pad1 = pad1 == 0 ? 0 : PADDING_SIZE - pad1;
dataOffset += pad1;
dataDisplacement += dataCount;
available -= pad1;
dataCount = Math.min( totalDataCount - dataDisplacement, available );
}
if(( parameterDisplacement + parameterCount ) >= totalParameterCount &&
( dataDisplacement + dataCount ) >= totalDataCount ) {
hasMore = false;
}
return this;
| | int | readBytesWireFormat(byte[] buffer, int bufferIndex)
return 0;
| | abstract int | readDataWireFormat(byte[] buffer, int bufferIndex, int len)
| | int | readParameterWordsWireFormat(byte[] buffer, int bufferIndex)
return 0;
| | abstract int | readParametersWireFormat(byte[] buffer, int bufferIndex, int len)
| | abstract int | readSetupWireFormat(byte[] buffer, int bufferIndex, int len)
| | void | reset()
super.reset();
isPrimary = hasMore = true;
| | void | reset(int key, java.lang.String lastName)
reset();
| | public java.lang.String | toString()
return new String( super.toString() +
",totalParameterCount=" + totalParameterCount +
",totalDataCount=" + totalDataCount +
",maxParameterCount=" + maxParameterCount +
",maxDataCount=" + maxDataCount +
",maxSetupCount=" + (int)maxSetupCount +
",flags=0x" + Hexdump.toHexString( flags, 2 ) +
",timeout=" + timeout +
",parameterCount=" + parameterCount +
",parameterOffset=" + parameterOffset +
",parameterDisplacement=" + parameterDisplacement +
",dataCount=" + dataCount +
",dataOffset=" + dataOffset +
",dataDisplacement=" + dataDisplacement +
",setupCount=" + setupCount +
",pad=" + pad +
",pad1=" + pad1 );
| | int | writeBytesWireFormat(byte[] dst, int dstIndex)
int start = dstIndex;
int p = pad;
if( command == SMB_COM_TRANSACTION && isResponse() == false ) {
dstIndex += writeString( name, dst, dstIndex );
}
if( parameterCount > 0 ) {
while( p-- > 0 ) {
dst[dstIndex++] = (byte)0x00; // Pad
}
System.arraycopy( txn_buf, bufParameterOffset, dst, dstIndex, parameterCount );
dstIndex += parameterCount;
}
if( dataCount > 0 ) {
p = pad1;
while( p-- > 0 ) {
dst[dstIndex++] = (byte)0x00; // Pad1
}
System.arraycopy( txn_buf, bufDataOffset, dst, dstIndex, dataCount );
bufDataOffset += dataCount;
dstIndex += dataCount;
}
return dstIndex - start;
| | abstract int | writeDataWireFormat(byte[] dst, int dstIndex)
| | int | writeParameterWordsWireFormat(byte[] dst, int dstIndex)
int start = dstIndex;
writeInt2( totalParameterCount, dst, dstIndex );
dstIndex += 2;
writeInt2( totalDataCount, dst, dstIndex );
dstIndex += 2;
if( command != SMB_COM_TRANSACTION_SECONDARY ) {
writeInt2( maxParameterCount, dst, dstIndex );
dstIndex += 2;
writeInt2( maxDataCount, dst, dstIndex );
dstIndex += 2;
dst[dstIndex++] = maxSetupCount;
dst[dstIndex++] = (byte)0x00; // Reserved1
writeInt2( flags, dst, dstIndex );
dstIndex += 2;
writeInt4( timeout, dst, dstIndex );
dstIndex += 4;
dst[dstIndex++] = (byte)0x00; // Reserved2
dst[dstIndex++] = (byte)0x00;
}
writeInt2( parameterCount, dst, dstIndex );
dstIndex += 2;
// writeInt2(( parameterCount == 0 ? 0 : parameterOffset ), dst, dstIndex );
writeInt2(parameterOffset, dst, dstIndex );
dstIndex += 2;
if( command == SMB_COM_TRANSACTION_SECONDARY ) {
writeInt2( parameterDisplacement, dst, dstIndex );
dstIndex += 2;
}
writeInt2( dataCount, dst, dstIndex );
dstIndex += 2;
writeInt2(( dataCount == 0 ? 0 : dataOffset ), dst, dstIndex );
dstIndex += 2;
if( command == SMB_COM_TRANSACTION_SECONDARY ) {
writeInt2( dataDisplacement, dst, dstIndex );
dstIndex += 2;
} else {
dst[dstIndex++] = (byte)setupCount;
dst[dstIndex++] = (byte)0x00; // Reserved3
dstIndex += writeSetupWireFormat( dst, dstIndex );
}
return dstIndex - start;
| | abstract int | writeParametersWireFormat(byte[] dst, int dstIndex)
| | abstract int | writeSetupWireFormat(byte[] dst, int dstIndex)
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