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https://github.com/MetaCubeX/ClashMetaForAndroid.git
synced 2024-11-25 06:46:09 +03:00
add ipv6 support for tun
This commit is contained in:
wwqgtxx
parent
b661d94278
commit
9edf35c4bc
@ -1,8 +1,11 @@
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package tun
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import (
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"encoding/json"
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"io"
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"net"
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"net/netip"
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"strings"
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C "github.com/metacubex/mihomo/constant"
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LC "github.com/metacubex/mihomo/listener/config"
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@ -14,16 +17,49 @@ import (
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func Start(fd int, gateway, portal, dns string) (io.Closer, error) {
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log.Debugln("TUN: fd = %d, gateway = %s, portal = %s, dns = %s", fd, gateway, portal, dns)
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var prefix4 []netip.Prefix
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var prefix6 []netip.Prefix
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for _, gatewayStr := range strings.Split(gateway, ",") { // "172.19.0.1/30" or "172.19.0.1/30,fdfe:dcba:9876::1/126"
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gatewayStr = strings.TrimSpace(gatewayStr)
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if len(gatewayStr) == 0 {
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continue
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}
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prefix, err := netip.ParsePrefix(gatewayStr)
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if err != nil {
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log.Errorln("TUN:", err)
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return nil, err
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}
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if prefix.Addr().Is4() {
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prefix4 = append(prefix4, prefix)
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} else {
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prefix6 = append(prefix6, prefix)
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}
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}
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var dnsHijack []string
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for _, dnsStr := range strings.Split(dns, ",") { // "172.19.0.2" or "0.0.0.0"
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dnsStr = strings.TrimSpace(dnsStr)
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if len(dnsStr) == 0 {
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continue
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}
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dnsHijack = append(dnsHijack, net.JoinHostPort(dnsStr, "53"))
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}
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options := LC.Tun{
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Enable: true,
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Device: sing_tun.InterfaceName,
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Stack: C.TunSystem,
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DNSHijack: []string{dns + ":53"}, // "172.19.0.2" or "0.0.0.0"
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Inet4Address: []netip.Prefix{netip.MustParsePrefix(gateway)}, // "172.19.0.1/30"
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DNSHijack: dnsHijack,
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Inet4Address: prefix4,
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Inet6Address: prefix6,
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MTU: 9000, // private const val TUN_MTU = 9000 in TunService.kt
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FileDescriptor: fd,
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}
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tunOptions, _ := json.Marshal(options)
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log.Debugln(string(tunOptions))
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listener, err := sing_tun.New(options, tunnel.Tunnel)
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if err != nil {
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log.Errorln("TUN:", err)
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@ -77,6 +77,13 @@ class NetworkSettingsDesign(
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configure = vpnDependencies::add,
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)
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switch(
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value = srvStore::allowIpv6,
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title = R.string.allow_ipv6,
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summary = R.string.allow_ipv6_summary,
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configure = vpnDependencies::add,
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)
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if (Build.VERSION.SDK_INT >= 29) {
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switch(
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value = srvStore::systemProxy,
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@ -217,6 +217,8 @@
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<string name="geoip_fallback_code">GeoIP Fallback 区域代码</string>
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<string name="allow_bypass">允许应用绕过</string>
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<string name="allow_bypass_summary">允许其他应用绕过 VPN</string>
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<string name="allow_ipv6">允许Ipv6</string>
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<string name="allow_ipv6_summary">通过 VpnService 代理Ipv6流量</string>
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<string name="clash_meta_wiki">Clash Meta Wiki</string>
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<string name="meta_features">Meta Features</string>
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<string name="unified_delay">Unified Delay</string>
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@ -122,6 +122,8 @@
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<string name="block_loopback_summary">Block loopback connections</string>
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<string name="allow_bypass">Allow Bypass</string>
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<string name="allow_bypass_summary">Allows all apps to bypass this VPN connection</string>
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<string name="allow_ipv6">Allow Ipv6</string>
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<string name="allow_ipv6_summary">Allows ipv6 traffic via VpnService</string>
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<string name="system_proxy">System Proxy</string>
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<string name="system_proxy_summary">Attach http proxy to VpnService</string>
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<string name="access_control_mode">Access Control Mode</string>
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@ -132,17 +132,31 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
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val device = with(Builder()) {
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// Interface address
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addAddress(TUN_GATEWAY, TUN_SUBNET_PREFIX)
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if (store.allowIpv6) {
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addAddress(TUN_GATEWAY6, TUN_SUBNET_PREFIX6)
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}
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// Route
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if (store.bypassPrivateNetwork) {
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resources.getStringArray(R.array.bypass_private_route).map(::parseCIDR).forEach {
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addRoute(it.ip, it.prefix)
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}
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if (store.allowIpv6) {
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resources.getStringArray(R.array.bypass_private_route6).map(::parseCIDR).forEach {
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addRoute(it.ip, it.prefix)
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}
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}
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// Route of virtual DNS
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addRoute(TUN_DNS, 32)
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if (store.allowIpv6) {
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addRoute(TUN_DNS6, 128)
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}
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} else {
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addRoute(NET_ANY, 0)
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if (store.allowIpv6) {
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addRoute(NET_ANY6, 0)
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}
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}
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// Access Control
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@ -171,6 +185,9 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
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// Virtual Dns Server
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addDnsServer(TUN_DNS)
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if (store.allowIpv6) {
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addDnsServer(TUN_DNS6)
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}
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// Open MainActivity
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setConfigureIntent(
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@ -207,9 +224,9 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
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TunModule.TunDevice(
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fd = establish()?.detachFd()
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?: throw NullPointerException("Establish VPN rejected by system"),
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gateway = "$TUN_GATEWAY/$TUN_SUBNET_PREFIX",
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portal = TUN_PORTAL,
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dns = if (store.dnsHijacking) NET_ANY else TUN_DNS,
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gateway = "$TUN_GATEWAY/$TUN_SUBNET_PREFIX" + if (store.allowIpv6) ",$TUN_GATEWAY6/$TUN_SUBNET_PREFIX6" else "",
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portal = TUN_PORTAL + if (store.allowIpv6) ",$TUN_PORTAL6" else "",
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dns = if (store.dnsHijacking) NET_ANY else (TUN_DNS + if (store.allowIpv6) ",$TUN_DNS6" else ""),
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)
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}
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@ -220,9 +237,14 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
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private const val TUN_MTU = 9000
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private const val TUN_SUBNET_PREFIX = 30
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private const val TUN_GATEWAY = "172.19.0.1"
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private const val TUN_SUBNET_PREFIX6 = 126
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private const val TUN_GATEWAY6 = "fdfe:dcba:9876::1"
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private const val TUN_PORTAL = "172.19.0.2"
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private const val TUN_PORTAL6 = "fdfe:dcba:9876::2"
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private const val TUN_DNS = TUN_PORTAL
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private const val TUN_DNS6 = TUN_PORTAL6
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private const val NET_ANY = "0.0.0.0"
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private const val NET_ANY6 = "::"
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private val HTTP_PROXY_LOCAL_LIST: List<String> = listOf(
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"localhost",
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@ -51,6 +51,11 @@ class ServiceStore(context: Context) {
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defaultValue = true
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)
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var allowIpv6 by store.boolean(
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key = "allow_ipv6",
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defaultValue = false
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)
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var dynamicNotification by store.boolean(
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key = "dynamic_notification",
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defaultValue = true
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@ -77,4 +77,15 @@
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<item>255.255.255.252/31</item>
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<item>255.255.255.254/32</item>
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</string-array>
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<!-- exclude fc00::/7, fe80::/10, ff00::/8 -->
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<string-array name="bypass_private_route6" translatable="false">
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<item>::/1</item>
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<item>8000::/2</item>
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<item>c000::/3</item>
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<item>e000::/4</item>
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<item>f000::/5</item>
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<item>f800::/6</item>
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<item>fe00::/9</item>
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<item>fec0::/10</item>
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</string-array>
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</resources>
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