iptproxy.patch

diff --git a/IPtProxy.go/IPtProxy.go b/IPtProxy.go/IPtProxy.go
index d9c3c25..0cb8e03 100644
--- a/IPtProxy.go/IPtProxy.go
+++ b/IPtProxy.go/IPtProxy.go
@@ -2,12 +2,6 @@ package IPtProxy
 
 import (
 	"errors"
-	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/lyrebird/cmd/lyrebird"
-	snowflakeclient "gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/client"
-	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/event"
-	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/safelog"
-	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/version"
-	sfp "gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/proxy/lib"
 	"io"
 	"io/fs"
 	"log"
@@ -15,67 +9,13 @@ import (
 	"os"
 	"strconv"
 	"time"
-)
-
-var meekPort = 47000
-
-// MeekPort - Port where Lyrebird will provide its Meek service.
-// Only use this after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func MeekPort() int {
-	return meekPort
-}
-
-var obfs2Port = 47100
-
-// Obfs2Port - Port where Lyrebird will provide its Obfs2 service.
-// Only use this property after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func Obfs2Port() int {
-	return obfs2Port
-}
-
-var obfs3Port = 47200
-
-// Obfs3Port - Port where Lyrebird will provide its Obfs3 service.
-// Only use this property after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func Obfs3Port() int {
-	return obfs3Port
-}
-
-var obfs4Port = 47300
-
-// Obfs4Port - Port where Lyrebird will provide its Obfs4 service.
-// Only use this property after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func Obfs4Port() int {
-	return obfs4Port
-}
-
-var scramblesuitPort = 47400
-
-// ScramblesuitPort - Port where Lyrebird will provide its Scramblesuit service.
-// Only use this property after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func ScramblesuitPort() int {
-	return scramblesuitPort
-}
-
-var webtunnelPort = 47500
 
-// WebtunnelPort - Port where Lyrebird will provide its Webtunnel service.
-// Only use this property after calling StartLyrebird! It might have changed after that!
-//
-//goland:noinspection GoUnusedExportedFunction
-func WebtunnelPort() int {
-	return webtunnelPort
-}
+	snowflakeclient "gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/client"
+	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/event"
+	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/safelog"
+	"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/version"
+	sfp "gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/proxy/lib"
+)
 
 var snowflakePort = 52000
 
@@ -87,20 +27,12 @@ func SnowflakePort() int {
 	return snowflakePort
 }
 
-var lyrebirdRunning = false
 var snowflakeRunning = false
 var snowflakeProxy *sfp.SnowflakeProxy
 
 // StateLocation - Sets TOR_PT_STATE_LOCATION
 var StateLocation string
 
-// LyrebirdVersion - The version of Lyrebird bundled with IPtProxy.
-//
-//goland:noinspection GoUnusedExportedFunction
-func LyrebirdVersion() string {
-	return lyrebird.LyrebirdVersion
-}
-
 // SnowflakeVersion - The version of Snowflake bundled with IPtProxy.
 //
 //goland:noinspection GoUnusedExportedFunction
@@ -108,110 +40,6 @@ func SnowflakeVersion() string {
 	return version.GetVersion()
 }
 
-// LyrebirdLogFile - The log file name used by Lyrebird.
-//
-// The Lyrebird log file can be found at `filepath.Join(StateLocation, LyrebirdLogFile())`.
-//
-//goland:noinspection GoUnusedExportedFunction
-func LyrebirdLogFile() string {
-	return lyrebird.LyrebirdLogFile
-}
-
-// StartLyrebird - Start Lyrebird.
-//
-// This will test, if the default ports are available. If not, it will increment them until there is.
-// Only use the port properties after calling this, they might have been changed!
-//
-// @param logLevel Log level (ERROR/WARN/INFO/DEBUG). Defaults to ERROR if empty string.
-//
-// @param enableLogging Log to TOR_PT_STATE_LOCATION/lyrebird.log.
-//
-// @param unsafeLogging Disable the address scrubber.
-//
-// @param proxy HTTP, SOCKS4 or SOCKS5 proxy to be used behind Lyrebird. E.g. "socks5://127.0.0.1:12345"
-//
-// @return Port number where Lyrebird will listen on for Obfs4(!), if no error happens during start up.
-//
-//	If you need the other ports, check MeekPort, Obfs2Port, Obfs3Port, ScramblesuitPort and WebtunnelPort properties!
-//
-//goland:noinspection GoUnusedExportedFunction
-func StartLyrebird(logLevel string, enableLogging, unsafeLogging bool, proxy string) int {
-	if lyrebirdRunning {
-		return obfs4Port
-	}
-
-	lyrebirdRunning = true
-
-	for !IsPortAvailable(meekPort) {
-		meekPort++
-	}
-
-	if meekPort >= obfs2Port {
-		obfs2Port = meekPort + 1
-	}
-
-	for !IsPortAvailable(obfs2Port) {
-		obfs2Port++
-	}
-
-	if obfs2Port >= obfs3Port {
-		obfs3Port = obfs2Port + 1
-	}
-
-	for !IsPortAvailable(obfs3Port) {
-		obfs3Port++
-	}
-
-	if obfs3Port >= obfs4Port {
-		obfs4Port = obfs3Port + 1
-	}
-
-	for !IsPortAvailable(obfs4Port) {
-		obfs4Port++
-	}
-
-	if obfs4Port >= scramblesuitPort {
-		scramblesuitPort = obfs4Port + 1
-	}
-
-	for !IsPortAvailable(scramblesuitPort) {
-		scramblesuitPort++
-	}
-
-	if scramblesuitPort >= webtunnelPort {
-		webtunnelPort = scramblesuitPort + 1
-	}
-
-	for !IsPortAvailable(webtunnelPort) {
-		webtunnelPort++
-	}
-
-	fixEnv()
-
-	if len(proxy) > 0 {
-		_ = os.Setenv("TOR_PT_PROXY", proxy)
-	} else {
-		_ = os.Unsetenv("TOR_PT_PROXY")
-	}
-
-	go lyrebird.Start(&meekPort, &obfs2Port, &obfs3Port, &obfs4Port, &scramblesuitPort, &webtunnelPort, &logLevel, &enableLogging, &unsafeLogging)
-
-	return obfs4Port
-}
-
-// StopLyrebird - Stop Lyrebird.
-//
-//goland:noinspection GoUnusedExportedFunction
-func StopLyrebird() {
-	if !lyrebirdRunning {
-		return
-	}
-
-	go lyrebird.Stop()
-
-	lyrebirdRunning = false
-}
-
 // StartSnowflake - Start the Snowflake client.
 //
 // @param ice Comma-separated list of ICE servers.
@@ -449,7 +277,7 @@ func fixEnv() {
 			"  Use a non-temporary directory to allow reuse of potentially stored state.")
 	}
 
-	_ = os.Setenv("TOR_PT_CLIENT_TRANSPORTS", "meek_lite,obfs2,obfs3,obfs4,scramblesuit,webtunnel,snowflake")
+	_ = os.Setenv("TOR_PT_CLIENT_TRANSPORTS", "snowflake")
 	_ = os.Setenv("TOR_PT_MANAGED_TRANSPORT_VER", "1")
 	_ = os.Setenv("TOR_PT_STATE_LOCATION", StateLocation)
 }