157 lines
5.0 KiB
C#
157 lines
5.0 KiB
C#
using System;
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using System.Collections;
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using System.Text;
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using System.Threading;
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using sscs.verbs;
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using sscs.common;
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using sscs.cache;
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using sscs.constants;
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namespace sscs.verbs
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{
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/*
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* This class is implementation of IsSecretPersistent call.
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* There will be one instance existing for every call made by the client.
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*/
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class IsSecretPersistent : SSVerb
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{
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private ushort msgId = 0;
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private uint inMsgLen = 0;
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private uint outMsgLen = 0;
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private uint keyChainIdLen = 0;
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private uint secretIdLen = 0;
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private int ssFlags = 0;
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private int retCode = 0;
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private string keyChainId;
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private string secretId;
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private byte[] inBuf;
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private byte[] outBuf;
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/*
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* This method sets the class member with the byte array received.
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*/
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public void SetMessageContent(byte[] ipcBytes)
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{
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CSSSLogger.ExecutionTrace(this);
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inBuf = ipcBytes;
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}
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/*
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* This method does the actual implementation of IsSecretPersistent
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*
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*/
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public byte[] ProcessRequest(UserIdentifier userId)
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{
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CSSSLogger.ExecutionTrace(this);
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// Message Format decipher - Start
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msgId = BitConverter.ToUInt16(inBuf,0);
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inMsgLen = BitConverter.ToUInt32(inBuf,2);
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ssFlags = BitConverter.ToInt32(inBuf,6);
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if( inMsgLen != inBuf.Length )
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throw new FormatException(" MsgLen sent does not match the length of the message received.");
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if(ssFlags == 0)
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{
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keyChainIdLen = BitConverter.ToUInt32(inBuf,10);
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byte[] keyChainIdArr = new byte[keyChainIdLen];
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Array.Copy(inBuf,14,keyChainIdArr,0,keyChainIdLen);
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keyChainId = Encoding.UTF8.GetString(keyChainIdArr);
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secretIdLen = BitConverter.ToUInt32(inBuf,
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(14 + (int)keyChainIdLen ));
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byte[] secretIdArr = new byte[secretIdLen];
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Array.Copy(inBuf,(14+keyChainIdLen+4),secretIdArr,0,secretIdLen);
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secretId = Encoding.UTF8.GetString(secretIdArr);
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}
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try
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{
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KeyChain keyChain = null;
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SecretStore ssStore = SessionManager.GetUserSecretStore(userId);
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if(ssFlags != 0)
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{
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if(ssStore.IsStorePersistent())
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retCode = IPCRetCodes.SSCS_STORE_IS_PERSISTENT;
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else
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retCode = IPCRetCodes.SSCS_STORE_IS_NOT_PERSISTENT;
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}
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else
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{
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if( ssStore.CheckIfKeyChainExists(keyChainId) )
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{
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keyChain = ssStore.GetKeyChain(keyChainId);
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if( keyChain.CheckIfSecretExists(secretId) == false)
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{
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if(ssStore.IsStorePersistent())
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retCode = IPCRetCodes.SSCS_SECRET_IS_PERSISTENT;
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else
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retCode = IPCRetCodes.SSCS_SECRET_IS_NOT_PERSISTENT;
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}
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else
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{
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retCode = IPCRetCodes.SSCS_E_SECRETID_DOES_NOT_EXIST;
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}
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}
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else
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{
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retCode = IPCRetCodes.SSCS_E_KEYCHAIN_DOES_NOT_EXIST;
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}
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}
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}
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catch(UserNotInSessionException)
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{
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CSSSLogger.DbgLog("In " + CSSSLogger.GetExecutionPath(this) + " Unable to get user's secretstore" );
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retCode = IPCRetCodes.SSCS_E_SYSTEM_ERROR;
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}
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catch(Exception e )
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{
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CSSSLogger.ExpLog(e.ToString());
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retCode = IPCRetCodes.SSCS_E_SYSTEM_ERROR;
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}
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try
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{
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msgId = 19;
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outMsgLen = 10;
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outBuf = new byte[10];
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byte[] t = new byte[10];
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t = BitConverter.GetBytes((ushort)msgId);
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Array.Copy(t,0,outBuf,0,2);
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t = BitConverter.GetBytes((uint)outMsgLen);
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Array.Copy(t,0,outBuf,2,4);
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t = BitConverter.GetBytes(retCode);
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Array.Copy(t,0,outBuf,6,4);
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}
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catch(Exception e)
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{
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CSSSLogger.ExpLog(e.ToString());
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throw new FormatException("Unable to form the response " + e.ToString());
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}
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return outBuf;
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}
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/*
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* Gives the name of operation performed. Will be used in case
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* of error.
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*/
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public string GetVerbName()
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{
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CSSSLogger.ExecutionTrace(this);
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return this.ToString();
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}
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}
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}
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