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Add Support for IPV6 and Arbitrary Server Address

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Add IPV6 support for Apple Devices
Note: Works in GUI not CLI
Adds Support for Arbitrary Server Address
This commit is contained in:
Jett Chen 2024-02-02 14:48:13 +08:00 • committed by Conrad Kramer
parent cca5999214
commit cade672806
20 changed files with 276 additions and 56 deletions
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4
Apple/NetworkExtension/DataTypes.swift
View file

@ -31,7 +31,7 @@ struct BurrowStartRequest: Codable {
let no_pi: Bool
let tun_excl: Bool
let tun_retrieve: Bool
let address: String?
let address: [String]
}
struct StartOptions: Codable {
let tun: TunOptions
@ -51,7 +51,7 @@ struct BurrowResult<T>: Codable where T: Codable {
struct ServerConfigData: Codable {
struct InternalConfig: Codable {
let address: String?
let address: [String]
let name: String?
let mtu: Int32?
}

21
Apple/NetworkExtension/PacketTunnelProvider.swift
View file

@ -31,7 +31,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
command: BurrowStartRequest(
Start: BurrowStartRequest.StartOptions(
tun: BurrowStartRequest.TunOptions(
name: nil, no_pi: false, tun_excl: false, tun_retrieve: true, address: nil
name: nil, no_pi: false, tun_excl: false, tun_retrieve: true, address: []
)
)
)
@ -46,12 +46,21 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
private func generateTunSettings(from: ServerConfigData) -> NETunnelNetworkSettings? {
let cfig = from.ServerConfig
guard let addr = cfig.address else {
return nil
}
// Using a makeshift remote tunnel address
let nst = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: "1.1.1.1")
nst.ipv4Settings = NEIPv4Settings(addresses: [addr], subnetMasks: ["255.255.255.0"])
var v4Addresses = [String]()
var v6Addresses = [String]()
for addr in cfig.address {
if IPv4Address(addr) != nil {
v6Addresses.append(addr)
}
if IPv6Address(addr) != nil {
v4Addresses.append(addr)
}
}
nst.ipv4Settings = NEIPv4Settings(addresses: v4Addresses, subnetMasks: v4Addresses.map { _ in
"255.255.255.0"
})
nst.ipv6Settings = NEIPv6Settings(addresses: v6Addresses, networkPrefixLengths: v6Addresses.map { _ in 64 })
logger.log("Initialized ipv4 settings: \(nst.ipv4Settings)")
return nst
}