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fix(connlib): use 120 prefix for macos address (#5853)

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Otherwise with full route when we try to create the default route for
ipv6 it just removes the previous default route and never adds ours,
completely breaking ipv6 [this seems to be the
reason](2fec12a6e1/Sources/WireGuardKit/PacketTunnelSettingsGenerator.swift (L137-L141))
This commit is contained in:
Gabi
2024-07-16 00:24:04 -03:00
committed by GitHub
parent 7acba5a3e9
commit 8a76f2b870
1 changed files with 3 additions and 1 deletions
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4
swift/apple/FirezoneNetworkExtension/NetworkSettings.swift
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@@ -38,7 +38,9 @@ class NetworkSettings {
// Set tunnel addresses and routes
let ipv4Settings = NEIPv4Settings(addresses: [tunnelAddressIPv4!], subnetMasks: ["255.255.255.255"])
let ipv6Settings = NEIPv6Settings(addresses: [tunnelAddressIPv6!], networkPrefixLengths: [128])
// This is a hack since macos routing table ignores, for full route, any prefix smaller than 120.
// Without this, adding a full route, remove the previous default route and leaves the system with none, breaking completely IPv6 on the user's system.
let ipv6Settings = NEIPv6Settings(addresses: [tunnelAddressIPv6!], networkPrefixLengths: [120])
let dnsSettings = NEDNSSettings(servers: dnsAddresses)
ipv4Settings.includedRoutes = routes4
ipv6Settings.includedRoutes = routes6