private static void DecodeKey(G2Header child, SettingsPacket settings)
{
G2Header key = new G2Header(child.Data);
RSAParameters rsa = new RSAParameters();
while (G2Protocol.ReadNextChild(child, key) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(key))
{
continue;
}
switch (key.Name)
{
case Key_D:
rsa.D = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_DP:
rsa.DP = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_DQ:
rsa.DQ = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Exponent:
rsa.Exponent = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_InverseQ:
rsa.InverseQ = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Modulus:
rsa.Modulus = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_P:
rsa.P = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Q:
rsa.Q = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
}
}
settings.KeyPair.ImportParameters(rsa);
settings.KeyPublic = rsa.Modulus;
}
private static void DecodeKey(G2Header child, SettingsPacket settings)
{
G2Header key = new G2Header(child.Data);
RSAParameters rsa = new RSAParameters();
while (G2Protocol.ReadNextChild(child, key) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(key))
continue;
switch (key.Name)
{
case Key_D:
rsa.D = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_DP:
rsa.DP = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_DQ:
rsa.DQ = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Exponent:
rsa.Exponent = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_InverseQ:
rsa.InverseQ = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Modulus:
rsa.Modulus = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_P:
rsa.P = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
case Key_Q:
rsa.Q = Utilities.ExtractBytes(key.Data, key.PayloadPos, key.PayloadSize);
break;
}
}
settings.KeyPair.ImportParameters(rsa);
settings.KeyPublic = rsa.Modulus;
}
public static SettingsPacket Decode(G2Header root)
{
SettingsPacket settings = new SettingsPacket();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (child.Name == Packet_KeyPair)
{
DecodeKey(child, settings);
continue;
}
if (child.Name == Packet_GlobalIM)
{
settings.GlobalIM = true;
continue;
}
if (child.Name == Packet_Invisible)
{
settings.Invisible = true;
continue;
}
if (!G2Protocol.ReadPayload(child))
continue;
switch (child.Name)
{
case Packet_Operation:
settings.Operation = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_UserName:
settings.UserName = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_TcpPort:
settings.TcpPort = BitConverter.ToUInt16(child.Data, child.PayloadPos);
break;
case Packet_UdpPort:
settings.UdpPort = BitConverter.ToUInt16(child.Data, child.PayloadPos);
break;
case Packet_OpKey:
settings.OpKey = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
byte[] pubID = new MD5CryptoServiceProvider().ComputeHash(settings.OpKey);
settings.PublicOpID = Utilities.ExtractBytes(pubID, 0, 8);
break;
case Packet_FileKey:
settings.FileKey = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_OpAccess:
settings.OpAccess = (AccessType)child.Data[child.PayloadPos];
break;
case Packet_SecurityLevel:
settings.Security = (SecurityLevel)BitConverter.ToInt32(child.Data, child.PayloadPos);
break;
case Packet_Location:
settings.Location = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_AwayMsg:
settings.AwayMessage = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
return settings;
}
public void Load(LoadModeType loadMode)
{
RijndaelManaged Password = new RijndaelManaged();
Password.Key = PasswordKey;
byte[] iv = new byte[16];
byte[] salt = new byte[4];
OpCore lookup = null;
if (Core != null)
lookup = Core.Context.Lookup;
try
{
using (TaggedStream file = new TaggedStream(ProfilePath, Protocol, ProcessSplash)) // tagged with splash
{
// first 16 bytes IV, next 4 bytes is salt
file.Read(iv, 0, 16);
file.Read(salt, 0, 4);
Password.IV = iv;
using (CryptoStream crypto = new CryptoStream(file, Password.CreateDecryptor(), CryptoStreamMode.Read))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (loadMode == LoadModeType.Settings)
{
if (root.Name == IdentityPacket.OperationSettings)
Settings = SettingsPacket.Decode(root);
if (root.Name == IdentityPacket.UserInfo && Core != null &&
(Core.Sim == null || !Core.Sim.Internet.FreshStart))
Core.IndexInfo(UserInfo.Decode(root));
// save icon to identity file because only root node saves icon/splash to link file
// to minimize link file size, but allow user to set custom icon/splash if there are not overrides
if (root.Name == IdentityPacket.Icon)
OpIcon = IconPacket.Decode(root).OpIcon;
}
if (lookup != null && (loadMode == LoadModeType.AllCaches || loadMode == LoadModeType.LookupCache))
{
if (root.Name == IdentityPacket.LookupCachedIP)
lookup.Network.Cache.AddSavedContact(CachedIP.Decode(root));
if (root.Name == IdentityPacket.LookupCachedWeb)
lookup.Network.Cache.AddWebCache(WebCache.Decode(root));
}
if (loadMode == LoadModeType.AllCaches)
{
if (root.Name == IdentityPacket.OpCachedIP)
Core.Network.Cache.AddSavedContact(CachedIP.Decode(root));
if (root.Name == IdentityPacket.OpCachedWeb)
Core.Network.Cache.AddWebCache(WebCache.Decode(root));
}
}
}
}
}
catch(Exception ex)
{
throw ex;
}
}
public static SettingsPacket Decode(G2Header root)
{
SettingsPacket settings = new SettingsPacket();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (child.Name == Packet_KeyPair)
{
DecodeKey(child, settings);
continue;
}
if (child.Name == Packet_GlobalIM)
{
settings.GlobalIM = true;
continue;
}
if (child.Name == Packet_Invisible)
{
settings.Invisible = true;
continue;
}
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Operation:
settings.Operation = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_UserName:
settings.UserName = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_TcpPort:
settings.TcpPort = BitConverter.ToUInt16(child.Data, child.PayloadPos);
break;
case Packet_UdpPort:
settings.UdpPort = BitConverter.ToUInt16(child.Data, child.PayloadPos);
break;
case Packet_OpKey:
settings.OpKey = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
byte[] pubID = new MD5CryptoServiceProvider().ComputeHash(settings.OpKey);
settings.PublicOpID = Utilities.ExtractBytes(pubID, 0, 8);
break;
case Packet_FileKey:
settings.FileKey = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_OpAccess:
settings.OpAccess = (AccessType)child.Data[child.PayloadPos];
break;
case Packet_SecurityLevel:
settings.Security = (SecurityLevel)BitConverter.ToInt32(child.Data, child.PayloadPos);
break;
case Packet_Location:
settings.Location = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_AwayMsg:
settings.AwayMessage = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
return(settings);
}
public void Load(LoadModeType loadMode)
{
RijndaelManaged Password = new RijndaelManaged();
Password.Key = PasswordKey;
byte[] iv = new byte[16];
byte[] salt = new byte[4];
OpCore lookup = null;
if (Core != null)
{
lookup = Core.Context.Lookup;
}
try
{
using (TaggedStream file = new TaggedStream(ProfilePath, Protocol, ProcessSplash)) // tagged with splash
{
// first 16 bytes IV, next 4 bytes is salt
file.Read(iv, 0, 16);
file.Read(salt, 0, 4);
Password.IV = iv;
using (CryptoStream crypto = new CryptoStream(file, Password.CreateDecryptor(), CryptoStreamMode.Read))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (loadMode == LoadModeType.Settings)
{
if (root.Name == IdentityPacket.OperationSettings)
{
Settings = SettingsPacket.Decode(root);
}
if (root.Name == IdentityPacket.UserInfo && Core != null &&
(Core.Sim == null || !Core.Sim.Internet.FreshStart))
{
Core.IndexInfo(UserInfo.Decode(root));
}
// save icon to identity file because only root node saves icon/splash to link file
// to minimize link file size, but allow user to set custom icon/splash if there are not overrides
if (root.Name == IdentityPacket.Icon)
{
OpIcon = IconPacket.Decode(root).OpIcon;
}
}
if (lookup != null && (loadMode == LoadModeType.AllCaches || loadMode == LoadModeType.LookupCache))
{
if (root.Name == IdentityPacket.LookupCachedIP)
{
lookup.Network.Cache.AddSavedContact(CachedIP.Decode(root));
}
if (root.Name == IdentityPacket.LookupCachedWeb)
{
lookup.Network.Cache.AddWebCache(WebCache.Decode(root));
}
}
if (loadMode == LoadModeType.AllCaches)
{
if (root.Name == IdentityPacket.OpCachedIP)
{
Core.Network.Cache.AddSavedContact(CachedIP.Decode(root));
}
if (root.Name == IdentityPacket.OpCachedWeb)
{
Core.Network.Cache.AddWebCache(WebCache.Decode(root));
}
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
