//-----------------------------------------------------------------------
// Class methods
//-----------------------------------------------------------------------
/// <summary>Returns password hash of the specified user, in specified format</summary>
/// <param name="system">System to be connected to</param>
/// <param name="userName">User name</param>
/// <param name="hashType">Predefined password hash type (see documentation for details)</param>
/// <returns>Password hash as a hex string</returns>
public string GetEncryptedPassword(string userName, int hashType)
{
/*
* http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=%2Fapis%2Fqsyrupwd.htm
*
* Required Parameter Group:
*
* 1 Receiver variable Output Char(*) - 2000B
* 2 Length of receiver variable Input Binary(4)
* 3 Format Input Char(8) - "UPWD0100"
* 4 User profile name Input Char(10) - userName
* 5 Error code I/O Char(*)
*/
ProgramCallParameters qsyrupwdCallParameters =
new ProgramCallParameters(5)
{
[0] = new ProgramCallParameter(
ProgramCallParameter.ParameterTypeOutput,
null,
2000),
[1] = new ProgramCallParameter(
ProgramCallParameter.ParameterTypeInput,
Converters.UInt32ToBigEndian(2000)),
[2] = new ProgramCallParameter(
ProgramCallParameter.ParameterTypeInput,
Converters.AsciiToEbcdic("UPWD0100")),
[3] = new ProgramCallParameter(
ProgramCallParameter.ParameterTypeInput,
Converters.AsciiToEbcdic(userName.ToUpper().PadRight(10))),
[4] = new ProgramCallParameter(
ProgramCallParameter.ParameterTypeInputOutput,
null,
500)
};
CallMessages qsyrupwdCallMessages = new CallMessages();
if (CallProgram("QSYRUPWD", "QSYS", ref qsyrupwdCallParameters, ref qsyrupwdCallMessages) != 0)
{
foreach (CallMessage outputMessage in qsyrupwdCallMessages)
{
Debug.WriteLine(outputMessage.MessageText);
}
throw new System.InvalidOperationException("The method GetEncryptedPassword failed. Check debug information.");
}
switch (hashType)
{
case PASSWORD_HASH_ALLDATA: // All data
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 1, 269));
case PASSWORD_HASH_UNKNOWNHASH: // Unknown (hash?) data
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 78, 192));
case PASSWORD_HASH_HMACSHA1MC: // HMAC-SHA1 password (mixed case)
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 35, 20));
case PASSWORD_HASH_HMACSHA1UC: // HMAC-SHA1 password (uppercase)
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 55, 20));
case PASSWORD_HASH_LMHASH: // LM hash
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 17, 16));
case PASSWORD_HASH_DES: // Composed DES hash (PW_TOKENa XOR PW_TOKENb):
return(Converters.BigEndianToHexString(Converters.UInt64ToBigEndian(Converters.BigEndianToUInt64(qsyrupwdCallParameters[0].ParameterValue, 1, 8) ^ Converters.BigEndianToUInt64(qsyrupwdCallParameters[0].ParameterValue, 9, 8))));
case PASSWORD_HASH_SECONDDES: // Second DES password token (PW_TOKENb)
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 9, 8));
case PASSWORD_HASH_FIRSTDES: // First DES password (PW_TOKENa)
default:
return(Converters.BigEndianToHexString(qsyrupwdCallParameters[0].ParameterValue, 1, 8));
}
}