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Fix AWG/WG on Linux - IPv6 gateway address is ULA now (#701)

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alexeyq2 2024-03-21 22:03:00 +07:00 • committed by GitHub
parent 14f132e127
commit 784c6cf585
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1 changed files with 8 additions and 4 deletions
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12
client/mozilla/localsocketcontroller.cpp
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@ -124,10 +124,14 @@ void LocalSocketController::activate(const QJsonObject &rawConfig) {
// json.insert("hopindex", QJsonValue((double)hop.m_hopindex));
json.insert("privateKey", wgConfig.value(amnezia::config_key::client_priv_key));
json.insert("deviceIpv4Address", wgConfig.value(amnezia::config_key::client_ip));
// todo review wg ipv6
#ifdef Q_OS_MACOS
json.insert("deviceIpv6Address", "dead::1");
#endif
// set up IPv6 unique-local-address, ULA, with "fd00::/8" prefix, not globally routable.
// this will be default IPv6 gateway, OS recognizes that IPv6 link is local and switches to IPv4.
// Otherwise some OSes (Linux) try IPv6 forever and hang.
// https://en.wikipedia.org/wiki/Unique_local_address (RFC 4193)
// https://man7.org/linux/man-pages/man5/gai.conf.5.html
json.insert("deviceIpv6Address", "fd58:baa6:dead::1"); // simply "dead::1" is globally-routable, don't use it
json.insert("serverPublicKey", wgConfig.value(amnezia::config_key::server_pub_key));
json.insert("serverPskKey", wgConfig.value(amnezia::config_key::psk_key));
json.insert("serverIpv4AddrIn", wgConfig.value(amnezia::config_key::hostName));