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Feature: add block loopback connections

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This commit is contained in:
Kr328
2021-05-28 11:32:21 +08:00
parent a222e90d1f
commit 5917b90837
14 changed files with 76 additions and 33 deletions
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8
service/src/main/java/com/github/kr328/clash/service/TunService.kt
View File

@@ -216,11 +216,16 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
}
}
val blocking = mutableListOf("$TUN_GATEWAY/$TUN_SUBNET_PREFIX")
if (store.blockLoopback) {
blocking.add(NET_SUBNET_LOOPBACK)
}
TunModule.TunDevice(
fd = establish()?.detachFd()
?: throw NullPointerException("Establish VPN rejected by system"),
mtu = TUN_MTU,
gateway = "$TUN_GATEWAY/$TUN_SUBNET_PREFIX",
blocking = blocking.joinToString(";"),
dns = if (store.dnsHijacking) NET_ANY else TUN_DNS,
)
}
@@ -234,5 +239,6 @@ class TunService : VpnService(), CoroutineScope by CoroutineScope(Dispatchers.De
private const val TUN_GATEWAY = "172.19.0.1"
private const val TUN_DNS = "172.19.0.2"
private const val NET_ANY = "0.0.0.0"
private const val NET_SUBNET_LOOPBACK = "127.0.0.0/8"
}
}

4
service/src/main/java/com/github/kr328/clash/service/clash/module/TunModule.kt
View File

@@ -16,7 +16,7 @@ class TunModule(private val vpn: VpnService) : Module<Unit>(vpn) {
data class TunDevice(
val fd: Int,
val mtu: Int,
val gateway: String,
val blocking: String,
val dns: String,
)
@@ -57,8 +57,8 @@ class TunModule(private val vpn: VpnService) : Module<Unit>(vpn) {
Clash.startTun(
fd = device.fd,
mtu = device.mtu,
gateway = device.gateway,
dns = device.dns,
blocking = device.blocking,
markSocket = vpn::protect,
querySocketUid = this::queryUid
)

5
service/src/main/java/com/github/kr328/clash/service/store/ServiceStore.kt
View File

@@ -46,6 +46,11 @@ class ServiceStore(context: Context) {
defaultValue = false
)
var blockLoopback by store.boolean(
key = "block_loopback",
defaultValue = true
)
var dynamicNotification by store.boolean(
key = "dynamic_notification",
defaultValue = true