98 lines
3.5 KiB
C#
98 lines
3.5 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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/*
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* After the bytes format is finalized for Windows this class might need to
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* be modified..
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* Depending upon impact either a new method can be invoked after platfrom
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* check or a Factory pattern can be used to redesign this class.
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*/
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/*
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* Namespaces used inside SSCS(main) will be of the following format "sscs.*"
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* The NameSpaces available are....
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* sscs.common [session, RequestParser]
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* sscs.authentication
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* sscs.verbs;[ssVerb, .......]
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* sscs.cache [secretstore, keychain, secret]
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* sscs.lss;
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* sscs.synchronization;
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* sscs.crypto
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*/
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namespace sscs.common
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{
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/* This class will be used to convert raw bytes to one of the SecretStore
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* Verbs. Although there is no need to have many instances,
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* this class will NOT be singleton class since we
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* do not want a hit on performance (synchronization, obtaining locks,
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* releasing locks...etc )
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* Making it singleton is not giving us any advantage versus performance.
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*/
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internal class RequestParser
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{
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Hashtable msgIdMap = new Hashtable();
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internal RequestParser()
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{
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msgIdMap.Add(1,"sscs.verbs.OpenSecretStore");
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msgIdMap.Add(2,"sscs.verbs.CloseSecretStore");
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msgIdMap.Add(3,"sscs.verbs.RemoveSecretStore");
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msgIdMap.Add(4,"sscs.verbs.EnumerateKeyChainIds");
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msgIdMap.Add(5,"sscs.verbs.AddKeyChain");
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msgIdMap.Add(6,"sscs.verbs.RemoveKeyChain");
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msgIdMap.Add(7,"sscs.verbs.EnumerateSecretIds");
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msgIdMap.Add(8,"sscs.verbs.ReadSecret");
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msgIdMap.Add(9,"sscs.verbs.WriteSecret");
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msgIdMap.Add(10,"sscs.verbs.RemoveSecret");
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msgIdMap.Add(11,"sscs.verbs.GetSecretStoreInfo");
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msgIdMap.Add(12,"sscs.verbs.GetKeyChainInfo");
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msgIdMap.Add(13,"sscs.verbs.LockCache");
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msgIdMap.Add(14,"sscs.verbs.UnLockCache");
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msgIdMap.Add(15,"sscs.verbs.SetMasterPasscode");
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msgIdMap.Add(16,"sscs.verbs.ReadKey");
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msgIdMap.Add(17,"sscs.verbs.WriteKey");
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msgIdMap.Add(18,"sscs.verbs.SetMasterPassword");
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msgIdMap.Add(19,"sscs.verbs.IsSecretPersistent");
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msgIdMap.Add(20,"sscs.verbs.ObjectSerialization");
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}
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/* Processes the request and returns the corrrect SSverb.
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* This interface works on the class member rawbytes and
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* returns the result.
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*/
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internal SSVerb ParseRequest(byte[] rawbytes)
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{
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if (rawbytes == null)
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throw new FormatException("Message format incorrect");
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String className = GetClassName(rawbytes);
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SSVerb theVerb = (SSVerb)Activator.CreateInstance(null, className ).Unwrap();
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theVerb.SetMessageContent(rawbytes);
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/*
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* TBD: We can send the activation params in the same call.
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*/
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//SSVerb theVerb = (SSVerb)Activator.CreateInstance(Type.GetType(className)).Unwrap();
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return theVerb;
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}
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private string GetClassName(byte[] ipcbytes)
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{
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/*
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* Read first two bytes and get ushort
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* Look up table and send class name
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*/
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ushort msgId = BitConverter.ToUInt16(ipcbytes,0);
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return ((String)(msgIdMap[(int)msgId]));
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}
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}
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}
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