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Setup MTU for WG/AWG protocol (#576)

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Setup MTU for AWG/WG protocol
This commit is contained in:
Mykola Baibuz
2024-03-18 12:41:53 +02:00
committed by GitHub
parent 9f82b4c21f
commit e646b85e56
29 changed files with 512 additions and 56 deletions
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13
client/daemon/daemon.cpp
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@@ -251,6 +251,19 @@ bool Daemon::parseConfig(const QJsonObject& obj, InterfaceConfig& config) {
GETVALUE("serverPskKey", config.m_serverPskKey, String);
GETVALUE("serverPort", config.m_serverPort, Double);
if (!obj.contains("deviceMTU") || obj.value("deviceMTU").toString().toInt() == 0)
{
config.m_deviceMTU = 1420;
} else {
config.m_deviceMTU = obj.value("deviceMTU").toString().toInt();
#ifdef Q_OS_WINDOWS
// For Windows min MTU value is 1280 (the smallest MTU legal with IPv6).
if (config.m_deviceMTU < 1280) {
config.m_deviceMTU = 1280;
}
#endif
}
config.m_deviceIpv4Address = obj.value("deviceIpv4Address").toString();
config.m_deviceIpv6Address = obj.value("deviceIpv6Address").toString();
if (config.m_deviceIpv4Address.isNull() &&

6
client/daemon/interfaceconfig.cpp
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@@ -23,6 +23,7 @@ QJsonObject InterfaceConfig::toJson() const {
json.insert("serverIpv4AddrIn", QJsonValue(m_serverIpv4AddrIn));
json.insert("serverIpv6AddrIn", QJsonValue(m_serverIpv6AddrIn));
json.insert("serverPort", QJsonValue((double)m_serverPort));
json.insert("deviceMTU", QJsonValue(m_deviceMTU));
if ((m_hopType == InterfaceConfig::MultiHopExit) ||
(m_hopType == InterfaceConfig::SingleHop)) {
json.insert("serverIpv4Gateway", QJsonValue(m_serverIpv4Gateway));
@@ -85,8 +86,13 @@ QString InterfaceConfig::toWgConf(const QMap<QString, QString>& extra) const {
if (addresses.isEmpty()) {
return "";
}
out << "Address = " << addresses.join(", ") << "\n";
if (m_deviceMTU) {
out << "MTU = " << m_deviceMTU << "\n";
}
if (!m_dnsServer.isNull()) {
QStringList dnsServers(m_dnsServer);
// If the DNS is not the Gateway, it's a user defined DNS

1
client/daemon/interfaceconfig.h
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@@ -33,6 +33,7 @@ class InterfaceConfig {
QString m_serverIpv6AddrIn;
QString m_dnsServer;
int m_serverPort = 0;
int m_deviceMTU = 1420;
QList<IPAddress> m_allowedIPAddressRanges;
QStringList m_excludedAddresses;
QStringList m_vpnDisabledApps;