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fix protocol detection when ipv6 fails

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This commit is contained in:
creeper123123321 2023-07-09 09:31:11 -03:00
parent f09da91810
commit d5931ccb7c
5 changed files with 13 additions and 10 deletions
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4
src/main/kotlin/com/viaversion/aas/VIAaaS.kt
View File

@ -53,6 +53,8 @@ private fun printSplash() {
println("VIAaaS ${AspirinServer.version}")
}
val autoProtocolId = -2
private fun initVia() {
AspirinPlatform.initVia {
AspirinRewind().init()
@ -61,7 +63,7 @@ private fun initVia() {
AspirinLegacy().init()
}
ProtocolVersion.register(-2, "AUTO")
ProtocolVersion.register(autoProtocolId, "AUTO")
registerAspirinProtocols()
}

1
src/main/kotlin/com/viaversion/aas/handler/ConnectionData.kt
View File

@ -12,6 +12,7 @@ class ConnectionData(
var state: ConnectionState = HandshakeState(),
var frontVer: Int? = null,
var backServerVer: Int? = null,
var autoDetectProtocol: Boolean = false
) {
val frontHandler get() = frontChannel.pipeline()[MinecraftHandler::class.java]
val backHandler get() = backChannel?.pipeline()?.get(MinecraftHandler::class.java)

4
src/main/kotlin/com/viaversion/aas/handler/state/HandshakeState.kt
View File

@ -8,6 +8,7 @@ import com.viaversion.aas.codec.packet.Packet
import com.viaversion.aas.codec.packet.handshake.Handshake
import com.viaversion.aas.config.VIAaaSConfig
import com.viaversion.aas.handler.MinecraftHandler
import com.viaversion.aas.autoProtocolId
import com.viaversion.aas.mcLogger
import com.viaversion.aas.util.AddressParser
import com.viaversion.aas.util.StacklessException
@ -72,7 +73,7 @@ class HandshakeState : ConnectionState {
}
}
val backProto = parsed.protocol ?: -2
val backProto = parsed.protocol ?: autoProtocolId
val backAddress = parsed.serverAddress!!
val port = parsed.port ?: VIAaaSConfig.defaultBackendPort ?: virtualPort
@ -83,6 +84,7 @@ class HandshakeState : ConnectionState {
val addressFromWeb = VIAaaSConfig.hostName.any { parsed.serverAddress.equals(it, ignoreCase = true) }
handler.data.backServerVer = backProto
if (backProto == autoProtocolId) handler.data.autoDetectProtocol = true
(handler.data.state as? LoginState)?.also {
it.frontOnline = frontOnline
it.backName = parsed.username

1
src/main/kotlin/com/viaversion/aas/handler/state/LoginState.kt
View File

@ -266,6 +266,7 @@ class LoginState : ConnectionState {
val info = AspirinServer.viaWebServer.requestAddressInfo(frontName).await()
backAddress = info.backHostAndPort
handler.data.backServerVer = info.backVersion
if (info.backVersion == autoProtocolId) handler.data.autoDetectProtocol = true
frontOnline = info.frontOnline
info.backName?.also { backName = info.backName }
}

13
src/main/kotlin/com/viaversion/aas/handler/state/Util.kt
View File

@ -59,7 +59,7 @@ private suspend fun createBackChannel(
mcLogger.debug("+ {} {} -> {}", state.name[0], handler.endRemoteAddress, socketAddr)
}
handler.data.backChannel = channel as SocketChannel
val packet = Handshake()
packet.nextState = state
packet.protocolId = handler.data.frontVer!!
@ -74,7 +74,7 @@ private suspend fun createBackChannel(
}
private suspend fun autoDetectVersion(handler: MinecraftHandler, socketAddr: InetSocketAddress) {
if (handler.data.backServerVer == -2) { // Auto
if (handler.data.autoDetectProtocol) { // Auto
var detectedProtocol: ProtocolVersion? = null
try {
detectedProtocol = withTimeout(10_000) {
@ -85,14 +85,10 @@ private suspend fun autoDetectVersion(handler: MinecraftHandler, socketAddr: Ine
mcLogger.debug("Stacktrace: ", e)
}
if (detectedProtocol != null
handler.data.backServerVer = if (detectedProtocol != null
&& detectedProtocol.version !in arrayOf(-1, -2)
&& ProtocolVersion.isRegistered(detectedProtocol.version)
) {
handler.data.backServerVer = detectedProtocol.version
} else {
handler.data.backServerVer = 47 // fallback 1.8
}
) detectedProtocol.version else 47 // fallback 1.8
}
}
@ -136,6 +132,7 @@ private suspend fun resolveBackendAddresses(hostAndPort: HostAndPort): List<Inet
return when {
removedEndDot.endsWith(".onion", ignoreCase = true) ->
listOf(InetSocketAddress.createUnresolved(removedEndDot, srvResolved.port))
else -> AspirinServer.dnsResolver
.resolveAll(srvResolved.host)
.suspendAwait()