public static OutgoingAuthenticationPacket BuildAuthenticationLogOnChallengeFailure(AuthenticationResult result, bool immediateDisconnect = false)
{
Contract.Requires(result != AuthenticationResult.Success && result != AuthenticationResult.SuccessSurvey);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationLogOnChallenge);
packet.Write(immediateDisconnect);
packet.Write((byte)result);
return packet;
}
public static OutgoingAuthenticationPacket BuildTransferData(short chunkLength, byte[] data)
{
Contract.Requires(chunkLength >= 0);
Contract.Requires(data != null);
Contract.Requires(data.Length == chunkLength);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.TransferData);
packet.Write(chunkLength);
packet.Write(data);
return packet;
}
public static OutgoingAuthenticationPacket BuildTransferInitiate(long fileLength, byte[] fileHash, bool patch = true)
{
Contract.Requires(fileLength >= 0);
Contract.Requires(fileHash != null);
Contract.Requires(fileHash.Length == 16);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.TransferInitiate);
packet.WriteP8String(patch ? "Patch" : "Survey");
packet.Write(fileLength);
packet.Write(fileHash);
return packet;
}
public static OutgoingAuthenticationPacket BuildAuthenticationLogOnProofSuccess(BigInteger serverSessionKeyProof, bool doHardwareSurvery = false)
{
Contract.Requires(serverSessionKeyProof != null);
Contract.Requires(serverSessionKeyProof.ByteLength == 20);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationLogOnProof);
packet.Write((byte)AuthenticationResult.Success);
packet.Write(serverSessionKeyProof, Password.SHA1Length);
// Game account flags. Only These are checked:
// 0x1 = ?
// 0x8 = Trial Account
// 0x800000 = ?
packet.Write(0x00800000);
packet.Write(doHardwareSurvery.AsConvertible().ToInt32(null));
// If 1, client will fire EVENT_ACCOUNT_MESSAGES_AVAILABLE.
packet.Write((short)0);
return packet;
}
public static OutgoingAuthenticationPacket BuildAuthenticationLogOnProofFailure(AuthenticationResult result)
{
Contract.Requires(result != AuthenticationResult.Success && result != AuthenticationResult.SuccessSurvey);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationLogOnProof);
packet.Write((byte)result);
if (result == AuthenticationResult.FailedUnknownAccount)
packet.Write((short)0); // Unknown value.
return packet;
}
public static OutgoingAuthenticationPacket BuildReconnectProofFailure(AuthenticationResult result)
{
Contract.Requires(result != AuthenticationResult.Success && result != AuthenticationResult.SuccessSurvey);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationReconnectProof);
packet.Write((byte)result);
return packet;
}
public static OutgoingAuthenticationPacket BuildReconnectProofSuccess()
{
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationReconnectProof);
packet.Write((byte)AuthenticationResult.Success);
packet.Write((short)0); // Unknown value.
return packet;
}
public static OutgoingAuthenticationPacket BuildAuthenticationLogOnChallengeSuccess(BigInteger srpPublicB, BigInteger srpGenerator, BigInteger srpModulus,
BigInteger srpSalt, ExtraSecurityFlags extraFlags = ExtraSecurityFlags.None, bool immediateDisconnect = false)
{
Contract.Requires(srpPublicB != null);
Contract.Requires(srpPublicB.ByteLength == WowAuthenticationParameters.KeySize);
Contract.Requires(srpGenerator != null);
Contract.Requires(srpGenerator.ByteLength == WowAuthenticationParameters.GeneratorSize);
Contract.Requires(srpModulus != null);
Contract.Requires(srpModulus.ByteLength == WowAuthenticationParameters.KeySize);
Contract.Requires(srpSalt != null);
Contract.Requires(srpSalt.ByteLength == WowAuthenticationParameters.KeySize);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationLogOnChallenge);
packet.Write(immediateDisconnect);
packet.Write((byte)AuthenticationResult.Success);
packet.Write(srpPublicB, WowAuthenticationParameters.KeySize);
packet.Write(srpGenerator, WowAuthenticationParameters.GeneratorSize, true);
packet.Write(srpModulus, WowAuthenticationParameters.KeySize, true);
packet.Write(srpSalt, WowAuthenticationParameters.KeySize);
packet.Write(new byte[Password.MD5Length]); // HMAC seed for client file verification.
packet.Write((byte)extraFlags);
if (extraFlags.HasFlag(ExtraSecurityFlags.Pin))
{
packet.Write(0); // Factor for determining PIN order.
packet.Write(new byte[Password.MD5Length]);
}
if (extraFlags.HasFlag(ExtraSecurityFlags.Matrix))
{
packet.Write((byte)0); // Matrix height.
packet.Write((byte)0); // Matrix width.
packet.Write((byte)0); // Minimum digits.
packet.Write((byte)0); // Maximum digits.
packet.Write((long)0); // MD5 seed.
// Let S = MD5(seed, sessionKey). Client uses S for the seed to a HMAC SHA-1 and an ARC4. It
// then captures key presses, and for every press, processes the entered value with the ARC4.
// The HMAC SHA-1 is then updated with the resulting value.
}
if (extraFlags.HasFlag(ExtraSecurityFlags.Token))
packet.Write((byte)0); // Not sure what this is...
return packet;
}
public static OutgoingAuthenticationPacket BuildReconnectChallengeSuccess(BigInteger reconnectProof,
AuthenticationResult result = AuthenticationResult.Success)
{
Contract.Requires(reconnectProof != null);
Contract.Requires(reconnectProof.ByteLength == Password.MD5Length);
Contract.Requires(result == AuthenticationResult.Success || result == AuthenticationResult.SuccessSurvey);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.AuthenticationReconnectChallenge);
packet.Write((byte)result);
packet.Write(reconnectProof, Password.MD5Length);
packet.Write(new byte[Password.MD5Length]); // HMAC seed for client file verification.
return packet;
}
public static OutgoingAuthenticationPacket BuildRealmList(IEnumerable<Realm> realms)
{
Contract.Requires(realms != null);
Contract.Ensures(Contract.Result<OutgoingAuthenticationPacket>() != null);
var packet = new OutgoingAuthenticationPacket(GruntOpCode.RealmList);
packet.Pad(0, sizeof(short)); // Packet body length.
packet.Write(0); // Unknown value.
packet.Write((short)realms.Count());
foreach (var realm in realms)
{
packet.Write((byte)realm.Type);
packet.Write((byte)realm.Status);
packet.Write((byte)realm.Flags);
packet.WriteCString(realm.Name);
packet.WriteCString(realm.Location.ToString());
packet.Write(realm.PopulationLevel);
packet.Write(0); // Number of characters the client has on this realm.
packet.Write((byte)realm.Category);
packet.Write((byte)0x2c); // Probably site ID.
if (!realm.Flags.HasFlag(RealmFlags.SpecifyBuild))
continue;
packet.Write((byte)realm.ClientVersion.Major);
packet.Write((byte)realm.ClientVersion.Minor);
packet.Write((byte)realm.ClientVersion.Build);
packet.Write((short)realm.ClientVersion.Revision);
}
packet.Write((short)0x1000); // No idea what this is...
// Write the packet length.
packet.Position = 0;
packet.Write((short)(packet.Length - packet.HeaderLength - sizeof(short)));
return packet;
}