amnezia-client/client/core/controllers/serverController.cpp
2025-06-24 20:13:41 +02:00

887 lines
40 KiB
C++

#include "serverController.h"
#include <QCryptographicHash>
#include <QDir>
#include <QEventLoop>
#include <QFile>
#include <QFileInfo>
#include <QJsonDocument>
#include <QJsonObject>
#include <QLoggingCategory>
#include <QPointer>
#include <QTemporaryFile>
#include <QThread>
#include <QTimer>
#include <QtConcurrent>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <sys/stat.h>
#include <chrono>
#include <thread>
#include "containers/containers_defs.h"
#include "core/networkUtilities.h"
#include "core/scripts_registry.h"
#include "core/server_defs.h"
#include "logger.h"
#include "settings.h"
#include "utilities.h"
#include "vpnConfigurationController.h"
namespace
{
Logger logger("ServerController");
}
ServerController::ServerController(std::shared_ptr<Settings> settings, QObject *parent) : m_settings(settings)
{
}
ServerController::~ServerController()
{
m_sshClient.disconnectFromHost();
}
ErrorCode ServerController::runScript(const ServerCredentials &credentials, QString script,
const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdOut,
const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdErr)
{
auto error = m_sshClient.connectToHost(credentials);
if (error != ErrorCode::NoError) {
return error;
}
script.replace("\r", "");
qDebug() << "ServerController::Run script";
QString totalLine;
const QStringList &lines = script.split("\n", Qt::SkipEmptyParts);
for (int i = 0; i < lines.count(); i++) {
QString currentLine = lines.at(i);
if (totalLine.isEmpty()) {
totalLine = currentLine;
} else {
totalLine = totalLine + "\n" + currentLine;
}
QString lineToExec;
if (currentLine.endsWith("\\")) {
continue;
} else {
lineToExec = totalLine;
totalLine.clear();
}
if (lineToExec.startsWith("#")) {
continue;
}
qDebug().noquote() << lineToExec;
error = m_sshClient.executeCommand(lineToExec, cbReadStdOut, cbReadStdErr);
if (error != ErrorCode::NoError) {
return error;
}
}
qDebug().noquote() << "ServerController::runScript finished\n";
return ErrorCode::NoError;
}
ErrorCode ServerController::runContainerScript(const ServerCredentials &credentials, DockerContainer container, QString script,
const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdOut,
const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdErr)
{
QString fileName = "/opt/amnezia/" + Utils::getRandomString(16) + ".sh";
ErrorCode e = uploadTextFileToContainer(container, credentials, script, fileName);
if (e)
return e;
QString runner =
QString("sudo docker exec -i $CONTAINER_NAME %2 %1 ").arg(fileName, (container == DockerContainer::Socks5Proxy ? "sh" : "bash"));
e = runScript(credentials, replaceVars(runner, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
QString remover = QString("sudo docker exec -i $CONTAINER_NAME rm %1 ").arg(fileName);
runScript(credentials, replaceVars(remover, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
return e;
}
ErrorCode ServerController::uploadTextFileToContainer(DockerContainer container, const ServerCredentials &credentials, const QString &file,
const QString &path, libssh::ScpOverwriteMode overwriteMode)
{
ErrorCode e = ErrorCode::NoError;
QString tmpFileName = QString("/tmp/%1.tmp").arg(Utils::getRandomString(16));
e = uploadFileToHost(credentials, file.toUtf8(), tmpFileName);
if (e)
return e;
QString stdOut;
auto cbReadStd = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
// mkdir
QString mkdir = QString("sudo docker exec -i $CONTAINER_NAME mkdir -p \"$(dirname %1)\"").arg(path);
e = runScript(credentials, replaceVars(mkdir, genVarsForScript(credentials, container)));
if (e)
return e;
if (overwriteMode == libssh::ScpOverwriteMode::ScpOverwriteExisting) {
e = runScript(credentials,
replaceVars(QStringLiteral("sudo docker cp %1 $CONTAINER_NAME:/%2").arg(tmpFileName, path),
genVarsForScript(credentials, container)),
cbReadStd, cbReadStd);
if (e)
return e;
} else if (overwriteMode == libssh::ScpOverwriteMode::ScpAppendToExisting) {
e = runScript(credentials,
replaceVars(QStringLiteral("sudo docker cp %1 $CONTAINER_NAME:/%2").arg(tmpFileName, tmpFileName),
genVarsForScript(credentials, container)),
cbReadStd, cbReadStd);
if (e)
return e;
e = runScript(credentials,
replaceVars(QStringLiteral("sudo docker exec -i $CONTAINER_NAME sh -c \"cat %1 >> %2\"").arg(tmpFileName, path),
genVarsForScript(credentials, container)),
cbReadStd, cbReadStd);
if (e)
return e;
} else
return ErrorCode::NotImplementedError;
if (stdOut.contains("Error") && stdOut.contains("No such container")) {
return ErrorCode::ServerContainerMissingError;
}
runScript(credentials, replaceVars(QString("sudo shred -u %1").arg(tmpFileName), genVarsForScript(credentials, container)));
return e;
}
QByteArray ServerController::getTextFileFromContainer(DockerContainer container, const ServerCredentials &credentials, const QString &path,
ErrorCode &errorCode)
{
errorCode = ErrorCode::NoError;
QString script = QStringLiteral("sudo docker exec -i %1 sh -c \"xxd -p '%2'\"").arg(ContainerProps::containerToString(container), path);
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data;
return ErrorCode::NoError;
};
errorCode = runScript(credentials, script, cbReadStdOut);
return QByteArray::fromHex(stdOut.toUtf8());
}
ErrorCode ServerController::uploadFileToHost(const ServerCredentials &credentials, const QByteArray &data, const QString &remotePath,
libssh::ScpOverwriteMode overwriteMode)
{
auto error = m_sshClient.connectToHost(credentials);
if (error != ErrorCode::NoError) {
return error;
}
QTemporaryFile localFile;
localFile.open();
localFile.write(data);
localFile.close();
error = m_sshClient.scpFileCopy(overwriteMode, localFile.fileName(), remotePath, "non_desc");
if (error != ErrorCode::NoError) {
return error;
}
return ErrorCode::NoError;
}
ErrorCode ServerController::rebootServer(const ServerCredentials &credentials)
{
QString script = QString("sudo reboot");
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data;
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
return runScript(credentials, script, cbReadStdOut, cbReadStdErr);
}
ErrorCode ServerController::removeAllContainers(const ServerCredentials &credentials)
{
return runScript(credentials, amnezia::scriptData(SharedScriptType::remove_all_containers));
}
ErrorCode ServerController::removeContainer(const ServerCredentials &credentials, DockerContainer container)
{
return runScript(credentials,
replaceVars(amnezia::scriptData(SharedScriptType::remove_container), genVarsForScript(credentials, container)));
}
ErrorCode ServerController::setupContainer(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config, bool isUpdate)
{
qDebug().noquote() << "ServerController::setupContainer" << ContainerProps::containerToString(container);
ErrorCode e = ErrorCode::NoError;
e = isUserInSudo(credentials, container);
if (e)
return e;
e = isServerDpkgBusy(credentials, container);
if (e)
return e;
e = installDockerWorker(credentials, container);
if (e)
return e;
qDebug().noquote() << "ServerController::setupContainer installDockerWorker finished";
if (!isUpdate) {
e = isServerPortBusy(credentials, container, config);
if (e)
return e;
}
if (!isUpdate) {
e = isServerPortBusy(credentials, container, config);
if (e)
return e;
}
e = prepareHostWorker(credentials, container, config);
if (e)
return e;
qDebug().noquote() << "ServerController::setupContainer prepareHostWorker finished";
removeContainer(credentials, container);
qDebug().noquote() << "ServerController::setupContainer removeContainer finished";
qDebug().noquote() << "buildContainerWorker start";
e = buildContainerWorker(credentials, container, config);
if (e)
return e;
qDebug().noquote() << "ServerController::setupContainer buildContainerWorker finished";
e = runContainerWorker(credentials, container, config);
if (e)
return e;
qDebug().noquote() << "ServerController::setupContainer runContainerWorker finished";
e = configureContainerWorker(credentials, container, config);
if (e)
return e;
qDebug().noquote() << "ServerController::setupContainer configureContainerWorker finished";
setupServerFirewall(credentials);
qDebug().noquote() << "ServerController::setupContainer setupServerFirewall finished";
return startupContainerWorker(credentials, container, config);
}
ErrorCode ServerController::updateContainer(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &oldConfig,
QJsonObject &newConfig)
{
bool reinstallRequired = isReinstallContainerRequired(container, oldConfig, newConfig);
qDebug() << "ServerController::updateContainer for container" << container << "reinstall required is" << reinstallRequired;
if (reinstallRequired) {
return setupContainer(credentials, container, newConfig, true);
} else {
ErrorCode e = configureContainerWorker(credentials, container, newConfig);
if (e)
return e;
return startupContainerWorker(credentials, container, newConfig);
}
}
bool ServerController::isReinstallContainerRequired(DockerContainer container, const QJsonObject &oldConfig, const QJsonObject &newConfig)
{
Proto mainProto = ContainerProps::defaultProtocol(container);
const QJsonObject &oldProtoConfig = oldConfig.value(ProtocolProps::protoToString(mainProto)).toObject();
const QJsonObject &newProtoConfig = newConfig.value(ProtocolProps::protoToString(mainProto)).toObject();
if (container == DockerContainer::OpenVpn) {
if (oldProtoConfig.value(config_key::transport_proto).toString(protocols::openvpn::defaultTransportProto)
!= newProtoConfig.value(config_key::transport_proto).toString(protocols::openvpn::defaultTransportProto))
return true;
if (oldProtoConfig.value(config_key::port).toString(protocols::openvpn::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::openvpn::defaultPort))
return true;
}
if (container == DockerContainer::Cloak) {
if (oldProtoConfig.value(config_key::port).toString(protocols::cloak::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::cloak::defaultPort))
return true;
}
if (container == DockerContainer::ShadowSocks) {
if (oldProtoConfig.value(config_key::port).toString(protocols::shadowsocks::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::shadowsocks::defaultPort))
return true;
}
if (container == DockerContainer::Awg) {
if ((oldProtoConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress)
!= newProtoConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress))
|| (oldProtoConfig.value(config_key::port).toString(protocols::awg::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::awg::defaultPort))
|| (oldProtoConfig.value(config_key::junkPacketCount).toString(protocols::awg::defaultJunkPacketCount)
!= newProtoConfig.value(config_key::junkPacketCount).toString(protocols::awg::defaultJunkPacketCount))
|| (oldProtoConfig.value(config_key::junkPacketMinSize).toString(protocols::awg::defaultJunkPacketMinSize)
!= newProtoConfig.value(config_key::junkPacketMinSize).toString(protocols::awg::defaultJunkPacketMinSize))
|| (oldProtoConfig.value(config_key::junkPacketMaxSize).toString(protocols::awg::defaultJunkPacketMaxSize)
!= newProtoConfig.value(config_key::junkPacketMaxSize).toString(protocols::awg::defaultJunkPacketMaxSize))
|| (oldProtoConfig.value(config_key::initPacketJunkSize).toString(protocols::awg::defaultInitPacketJunkSize)
!= newProtoConfig.value(config_key::initPacketJunkSize).toString(protocols::awg::defaultInitPacketJunkSize))
|| (oldProtoConfig.value(config_key::responsePacketJunkSize).toString(protocols::awg::defaultResponsePacketJunkSize)
!= newProtoConfig.value(config_key::responsePacketJunkSize).toString(protocols::awg::defaultResponsePacketJunkSize))
|| (oldProtoConfig.value(config_key::initPacketMagicHeader).toString(protocols::awg::defaultInitPacketMagicHeader)
!= newProtoConfig.value(config_key::initPacketMagicHeader).toString(protocols::awg::defaultInitPacketMagicHeader))
|| (oldProtoConfig.value(config_key::responsePacketMagicHeader).toString(protocols::awg::defaultResponsePacketMagicHeader)
!= newProtoConfig.value(config_key::responsePacketMagicHeader).toString(protocols::awg::defaultResponsePacketMagicHeader))
|| (oldProtoConfig.value(config_key::underloadPacketMagicHeader).toString(protocols::awg::defaultUnderloadPacketMagicHeader)
!= newProtoConfig.value(config_key::underloadPacketMagicHeader).toString(protocols::awg::defaultUnderloadPacketMagicHeader))
|| (oldProtoConfig.value(config_key::transportPacketMagicHeader).toString(protocols::awg::defaultTransportPacketMagicHeader))
!= newProtoConfig.value(config_key::transportPacketMagicHeader).toString(protocols::awg::defaultTransportPacketMagicHeader))
// || (oldProtoConfig.value(config_key::specialJunk1).toString(protocols::awg::defaultSpecialJunk1))
// != newProtoConfig.value(config_key::specialJunk1).toString(protocols::awg::defaultSpecialJunk1)
// || (oldProtoConfig.value(config_key::specialJunk2).toString(protocols::awg::defaultSpecialJunk2))
// != newProtoConfig.value(config_key::specialJunk2).toString(protocols::awg::defaultSpecialJunk2)
// || (oldProtoConfig.value(config_key::specialJunk3).toString(protocols::awg::defaultSpecialJunk3))
// != newProtoConfig.value(config_key::specialJunk3).toString(protocols::awg::defaultSpecialJunk3)
// || (oldProtoConfig.value(config_key::specialJunk4).toString(protocols::awg::defaultSpecialJunk4))
// != newProtoConfig.value(config_key::specialJunk4).toString(protocols::awg::defaultSpecialJunk4)
// || (oldProtoConfig.value(config_key::specialJunk5).toString(protocols::awg::defaultSpecialJunk5))
// != newProtoConfig.value(config_key::specialJunk5).toString(protocols::awg::defaultSpecialJunk5)
// || (oldProtoConfig.value(config_key::controlledJunk1).toString(protocols::awg::defaultControlledJunk1))
// != newProtoConfig.value(config_key::controlledJunk1).toString(protocols::awg::defaultControlledJunk1)
// || (oldProtoConfig.value(config_key::controlledJunk2).toString(protocols::awg::defaultControlledJunk2))
// != newProtoConfig.value(config_key::controlledJunk2).toString(protocols::awg::defaultControlledJunk2)
// || (oldProtoConfig.value(config_key::controlledJunk3).toString(protocols::awg::defaultControlledJunk3))
// != newProtoConfig.value(config_key::controlledJunk3).toString(protocols::awg::defaultControlledJunk3)
// || (oldProtoConfig.value(config_key::specialHandshakeTimeout).toString(protocols::awg::defaultSpecialHandshakeTimeout))
// != newProtoConfig.value(config_key::specialHandshakeTimeout).toString(protocols::awg::defaultSpecialHandshakeTimeout))
return true;
}
if (container == DockerContainer::WireGuard) {
if ((oldProtoConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress)
!= newProtoConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress))
|| (oldProtoConfig.value(config_key::port).toString(protocols::wireguard::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::wireguard::defaultPort)))
return true;
}
if (container == DockerContainer::Socks5Proxy) {
return true;
}
if (container == DockerContainer::Xray) {
if (oldProtoConfig.value(config_key::port).toString(protocols::xray::defaultPort)
!= newProtoConfig.value(config_key::port).toString(protocols::xray::defaultPort)) {
return true;
}
}
return false;
}
ErrorCode ServerController::installDockerWorker(const ServerCredentials &credentials, DockerContainer container)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &client) {
stdOut += data + "\n";
if (data.contains("Automatically restart Docker daemon?")) {
return client.writeResponse("yes");
}
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
ErrorCode error =
runScript(credentials, replaceVars(amnezia::scriptData(SharedScriptType::install_docker), genVarsForScript(credentials)),
cbReadStdOut, cbReadStdErr);
qDebug().noquote() << "ServerController::installDockerWorker" << stdOut;
if (stdOut.contains("lock"))
return ErrorCode::ServerPacketManagerError;
if (stdOut.contains("command not found"))
return ErrorCode::ServerDockerFailedError;
return error;
}
ErrorCode ServerController::prepareHostWorker(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
{
// create folder on host
return runScript(credentials, replaceVars(amnezia::scriptData(SharedScriptType::prepare_host), genVarsForScript(credentials, container)));
}
ErrorCode ServerController::buildContainerWorker(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
{
QString dockerFilePath = amnezia::server::getDockerfileFolder(container) + "/Dockerfile";
QString scriptString = QString("sudo rm %1").arg(dockerFilePath);
ErrorCode errorCode = runScript(credentials, replaceVars(scriptString, genVarsForScript(credentials, container)));
if (errorCode)
return errorCode;
errorCode = uploadFileToHost(credentials, amnezia::scriptData(ProtocolScriptType::dockerfile, container).toUtf8(), dockerFilePath);
if (errorCode)
return errorCode;
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
ErrorCode error =
runScript(credentials,
replaceVars(amnezia::scriptData(SharedScriptType::build_container), genVarsForScript(credentials, container, config)),
cbReadStdOut, cbReadStdErr);
if (stdOut.contains("doesn't work on cgroups v2"))
return ErrorCode::ServerDockerOnCgroupsV2;
if (stdOut.contains("cgroup mountpoint does not exist"))
return ErrorCode::ServerCgroupMountpoint;
return error;
}
ErrorCode ServerController::runContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
ErrorCode e = runScript(credentials,
replaceVars(amnezia::scriptData(ProtocolScriptType::run_container, container),
genVarsForScript(credentials, container, config)),
cbReadStdOut);
if (stdOut.contains("address already in use"))
return ErrorCode::ServerPortAlreadyAllocatedError;
if (stdOut.contains("is already in use by container"))
return ErrorCode::ServerPortAlreadyAllocatedError;
if (stdOut.contains("invalid publish"))
return ErrorCode::ServerDockerFailedError;
return e;
}
ErrorCode ServerController::configureContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
ErrorCode e = runContainerScript(credentials, container,
replaceVars(amnezia::scriptData(ProtocolScriptType::configure_container, container),
genVarsForScript(credentials, container, config)),
cbReadStdOut, cbReadStdErr);
VpnConfigurationsController::updateContainerConfigAfterInstallation(container, config, stdOut);
return e;
}
ErrorCode ServerController::startupContainerWorker(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
{
QString script = amnezia::scriptData(ProtocolScriptType::container_startup, container);
if (script.isEmpty()) {
return ErrorCode::NoError;
}
ErrorCode e = uploadTextFileToContainer(container, credentials, replaceVars(script, genVarsForScript(credentials, container, config)),
"/opt/amnezia/start.sh");
if (e)
return e;
return runScript(credentials,
replaceVars("sudo docker exec -d $CONTAINER_NAME sh -c \"chmod a+x /opt/amnezia/start.sh && "
"/opt/amnezia/start.sh\"",
genVarsForScript(credentials, container, config)));
}
ServerController::Vars ServerController::genVarsForScript(const ServerCredentials &credentials, DockerContainer container,
const QJsonObject &config)
{
const QJsonObject &openvpnConfig = config.value(ProtocolProps::protoToString(Proto::OpenVpn)).toObject();
const QJsonObject &cloakConfig = config.value(ProtocolProps::protoToString(Proto::Cloak)).toObject();
const QJsonObject &ssConfig = config.value(ProtocolProps::protoToString(Proto::ShadowSocks)).toObject();
const QJsonObject &wireguarConfig = config.value(ProtocolProps::protoToString(Proto::WireGuard)).toObject();
const QJsonObject &amneziaWireguarConfig = config.value(ProtocolProps::protoToString(Proto::Awg)).toObject();
const QJsonObject &xrayConfig = config.value(ProtocolProps::protoToString(Proto::Xray)).toObject();
const QJsonObject &sftpConfig = config.value(ProtocolProps::protoToString(Proto::Sftp)).toObject();
const QJsonObject &socks5ProxyConfig = config.value(ProtocolProps::protoToString(Proto::Socks5Proxy)).toObject();
Vars vars;
vars.append({ { "$REMOTE_HOST", credentials.hostName } });
// OpenVPN vars
vars.append({ { "$OPENVPN_SUBNET_IP",
openvpnConfig.value(config_key::subnet_address).toString(protocols::openvpn::defaultSubnetAddress) } });
vars.append({ { "$OPENVPN_SUBNET_CIDR", openvpnConfig.value(config_key::subnet_cidr).toString(protocols::openvpn::defaultSubnetCidr) } });
vars.append({ { "$OPENVPN_SUBNET_MASK", openvpnConfig.value(config_key::subnet_mask).toString(protocols::openvpn::defaultSubnetMask) } });
vars.append({ { "$OPENVPN_PORT", openvpnConfig.value(config_key::port).toString(protocols::openvpn::defaultPort) } });
vars.append({ { "$OPENVPN_TRANSPORT_PROTO",
openvpnConfig.value(config_key::transport_proto).toString(protocols::openvpn::defaultTransportProto) } });
bool isNcpDisabled = openvpnConfig.value(config_key::ncp_disable).toBool(protocols::openvpn::defaultNcpDisable);
vars.append({ { "$OPENVPN_NCP_DISABLE", isNcpDisabled ? protocols::openvpn::ncpDisableString : "" } });
vars.append({ { "$OPENVPN_CIPHER", openvpnConfig.value(config_key::cipher).toString(protocols::openvpn::defaultCipher) } });
vars.append({ { "$OPENVPN_HASH", openvpnConfig.value(config_key::hash).toString(protocols::openvpn::defaultHash) } });
bool isTlsAuth = openvpnConfig.value(config_key::tls_auth).toBool(protocols::openvpn::defaultTlsAuth);
vars.append({ { "$OPENVPN_TLS_AUTH", isTlsAuth ? protocols::openvpn::tlsAuthString : "" } });
if (!isTlsAuth) {
// erase $OPENVPN_TA_KEY, so it will not set in OpenVpnConfigurator::genOpenVpnConfig
vars.append({ { "$OPENVPN_TA_KEY", "" } });
}
vars.append({ { "$OPENVPN_ADDITIONAL_CLIENT_CONFIG",
openvpnConfig.value(config_key::additional_client_config).toString(protocols::openvpn::defaultAdditionalClientConfig) } });
vars.append({ { "$OPENVPN_ADDITIONAL_SERVER_CONFIG",
openvpnConfig.value(config_key::additional_server_config).toString(protocols::openvpn::defaultAdditionalServerConfig) } });
// ShadowSocks vars
vars.append({ { "$SHADOWSOCKS_SERVER_PORT", ssConfig.value(config_key::port).toString(protocols::shadowsocks::defaultPort) } });
vars.append({ { "$SHADOWSOCKS_LOCAL_PORT",
ssConfig.value(config_key::local_port).toString(protocols::shadowsocks::defaultLocalProxyPort) } });
vars.append({ { "$SHADOWSOCKS_CIPHER", ssConfig.value(config_key::cipher).toString(protocols::shadowsocks::defaultCipher) } });
vars.append({ { "$CONTAINER_NAME", ContainerProps::containerToString(container) } });
vars.append({ { "$DOCKERFILE_FOLDER", "/opt/amnezia/" + ContainerProps::containerToString(container) } });
// Cloak vars
vars.append({ { "$CLOAK_SERVER_PORT", cloakConfig.value(config_key::port).toString(protocols::cloak::defaultPort) } });
vars.append({ { "$FAKE_WEB_SITE_ADDRESS", cloakConfig.value(config_key::site).toString(protocols::cloak::defaultRedirSite) } });
// Xray vars
vars.append({ { "$XRAY_SITE_NAME", xrayConfig.value(config_key::site).toString(protocols::xray::defaultSite) } });
vars.append({ { "$XRAY_SERVER_PORT", xrayConfig.value(config_key::port).toString(protocols::xray::defaultPort) } });
// Wireguard vars
vars.append({ { "$WIREGUARD_SUBNET_IP",
wireguarConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress) } });
vars.append({ { "$WIREGUARD_SUBNET_CIDR",
wireguarConfig.value(config_key::subnet_cidr).toString(protocols::wireguard::defaultSubnetCidr) } });
vars.append({ { "$WIREGUARD_SUBNET_MASK",
wireguarConfig.value(config_key::subnet_mask).toString(protocols::wireguard::defaultSubnetMask) } });
vars.append({ { "$WIREGUARD_SERVER_PORT", wireguarConfig.value(config_key::port).toString(protocols::wireguard::defaultPort) } });
// IPsec vars
vars.append({ { "$IPSEC_VPN_L2TP_NET", "192.168.42.0/24" } });
vars.append({ { "$IPSEC_VPN_L2TP_POOL", "192.168.42.10-192.168.42.250" } });
vars.append({ { "$IPSEC_VPN_L2TP_LOCAL", "192.168.42.1" } });
vars.append({ { "$IPSEC_VPN_XAUTH_NET", "192.168.43.0/24" } });
vars.append({ { "$IPSEC_VPN_XAUTH_POOL", "192.168.43.10-192.168.43.250" } });
vars.append({ { "$IPSEC_VPN_SHA2_TRUNCBUG", "yes" } });
vars.append({ { "$IPSEC_VPN_VPN_ANDROID_MTU_FIX", "yes" } });
vars.append({ { "$IPSEC_VPN_DISABLE_IKEV2", "no" } });
vars.append({ { "$IPSEC_VPN_DISABLE_L2TP", "no" } });
vars.append({ { "$IPSEC_VPN_DISABLE_XAUTH", "no" } });
vars.append({ { "$IPSEC_VPN_C2C_TRAFFIC", "no" } });
vars.append({ { "$PRIMARY_SERVER_DNS", m_settings->primaryDns() } });
vars.append({ { "$SECONDARY_SERVER_DNS", m_settings->secondaryDns() } });
// Sftp vars
vars.append({ { "$SFTP_PORT", sftpConfig.value(config_key::port).toString(QString::number(ProtocolProps::defaultPort(Proto::Sftp))) } });
vars.append({ { "$SFTP_USER", sftpConfig.value(config_key::userName).toString() } });
vars.append({ { "$SFTP_PASSWORD", sftpConfig.value(config_key::password).toString() } });
// Amnezia wireguard vars
vars.append({ { "$AWG_SUBNET_IP",
amneziaWireguarConfig.value(config_key::subnet_address).toString(protocols::wireguard::defaultSubnetAddress) } });
vars.append({ { "$AWG_SERVER_PORT", amneziaWireguarConfig.value(config_key::port).toString(protocols::awg::defaultPort) } });
vars.append({ { "$JUNK_PACKET_COUNT", amneziaWireguarConfig.value(config_key::junkPacketCount).toString() } });
vars.append({ { "$JUNK_PACKET_MIN_SIZE", amneziaWireguarConfig.value(config_key::junkPacketMinSize).toString() } });
vars.append({ { "$JUNK_PACKET_MAX_SIZE", amneziaWireguarConfig.value(config_key::junkPacketMaxSize).toString() } });
vars.append({ { "$INIT_PACKET_JUNK_SIZE", amneziaWireguarConfig.value(config_key::initPacketJunkSize).toString() } });
vars.append({ { "$RESPONSE_PACKET_JUNK_SIZE", amneziaWireguarConfig.value(config_key::responsePacketJunkSize).toString() } });
vars.append({ { "$INIT_PACKET_MAGIC_HEADER", amneziaWireguarConfig.value(config_key::initPacketMagicHeader).toString() } });
vars.append({ { "$RESPONSE_PACKET_MAGIC_HEADER", amneziaWireguarConfig.value(config_key::responsePacketMagicHeader).toString() } });
vars.append({ { "$UNDERLOAD_PACKET_MAGIC_HEADER", amneziaWireguarConfig.value(config_key::underloadPacketMagicHeader).toString() } });
vars.append({ { "$TRANSPORT_PACKET_MAGIC_HEADER", amneziaWireguarConfig.value(config_key::transportPacketMagicHeader).toString() } });
// vars.append({ { "$SPECIAL_JUNK_1", amneziaWireguarConfig.value(config_key::specialJunk1).toString() } });
// vars.append({ { "$SPECIAL_JUNK_2", amneziaWireguarConfig.value(config_key::specialJunk2).toString() } });
// vars.append({ { "$SPECIAL_JUNK_3", amneziaWireguarConfig.value(config_key::specialJunk3).toString() } });
// vars.append({ { "$SPECIAL_JUNK_4", amneziaWireguarConfig.value(config_key::specialJunk4).toString() } });
// vars.append({ { "$SPECIAL_JUNK_5", amneziaWireguarConfig.value(config_key::specialJunk5).toString() } });
// vars.append({ { "$CONTROLLED_JUNK_1", amneziaWireguarConfig.value(config_key::controlledJunk1).toString() } });
// vars.append({ { "$CONTROLLED_JUNK_2", amneziaWireguarConfig.value(config_key::controlledJunk2).toString() } });
// vars.append({ { "$CONTROLLED_JUNK_3", amneziaWireguarConfig.value(config_key::controlledJunk3).toString() } });
// vars.append({ { "$SPECIAL_HANDSHAKE_TIMEOUT", amneziaWireguarConfig.value(config_key::specialHandshakeTimeout).toString() } });
// Socks5 proxy vars
vars.append({ { "$SOCKS5_PROXY_PORT", socks5ProxyConfig.value(config_key::port).toString(protocols::socks5Proxy::defaultPort) } });
auto username = socks5ProxyConfig.value(config_key::userName).toString();
auto password = socks5ProxyConfig.value(config_key::password).toString();
QString socks5user = (!username.isEmpty() && !password.isEmpty()) ? QString("users %1:CL:%2").arg(username, password) : "";
vars.append({ { "$SOCKS5_USER", socks5user } });
vars.append({ { "$SOCKS5_AUTH_TYPE", socks5user.isEmpty() ? "none" : "strong" } });
QString serverIp = (container != DockerContainer::Awg && container != DockerContainer::WireGuard && container != DockerContainer::Xray)
? NetworkUtilities::getIPAddress(credentials.hostName)
: credentials.hostName;
if (!serverIp.isEmpty()) {
vars.append({ { "$SERVER_IP_ADDRESS", serverIp } });
} else {
qWarning() << "ServerController::genVarsForScript unable to resolve address for credentials.hostName";
}
return vars;
}
QString ServerController::checkSshConnection(const ServerCredentials &credentials, ErrorCode &errorCode)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
errorCode = runScript(credentials, amnezia::scriptData(SharedScriptType::check_connection), cbReadStdOut, cbReadStdErr);
return stdOut;
}
void ServerController::cancelInstallation()
{
m_cancelInstallation = true;
}
ErrorCode ServerController::setupServerFirewall(const ServerCredentials &credentials)
{
return runScript(credentials, replaceVars(amnezia::scriptData(SharedScriptType::setup_host_firewall), genVarsForScript(credentials)));
}
QString ServerController::replaceVars(const QString &script, const Vars &vars)
{
QString s = script;
for (const QPair<QString, QString> &var : vars) {
s.replace(var.first, var.second);
}
return s;
}
ErrorCode ServerController::isServerPortBusy(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
{
if (container == DockerContainer::Dns) {
return ErrorCode::NoError;
}
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
const Proto protocol = ContainerProps::defaultProtocol(container);
const QString containerString = ProtocolProps::protoToString(protocol);
const QJsonObject containerConfig = config.value(containerString).toObject();
QStringList fixedPorts = ContainerProps::fixedPortsForContainer(container);
QString defaultPort("%1");
QString port = containerConfig.value(config_key::port).toString(defaultPort.arg(ProtocolProps::defaultPort(protocol)));
QString defaultTransportProto = ProtocolProps::transportProtoToString(ProtocolProps::defaultTransportProto(protocol), protocol);
QString transportProto = containerConfig.value(config_key::transport_proto).toString(defaultTransportProto);
// TODO reimplement with netstat
QString script = QString("which lsof > /dev/null 2>&1 || true && sudo lsof -i -P -n 2>/dev/null | grep -E ':%1 ").arg(port);
for (auto &port : fixedPorts) {
script = script.append("|:%1").arg(port);
}
if (transportProto == "tcpandudp") {
QString tcpProtoScript = script;
QString udpProtoScript = script;
tcpProtoScript.append("' | grep -i tcp");
udpProtoScript.append("' | grep -i udp");
tcpProtoScript.append(" | grep LISTEN");
ErrorCode errorCode =
runScript(credentials, replaceVars(tcpProtoScript, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
if (errorCode != ErrorCode::NoError) {
return errorCode;
}
errorCode = runScript(credentials, replaceVars(udpProtoScript, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
if (errorCode != ErrorCode::NoError) {
return errorCode;
}
if (!stdOut.isEmpty()) {
return ErrorCode::ServerPortAlreadyAllocatedError;
}
return ErrorCode::NoError;
}
script = script.append("' | grep -i %1").arg(transportProto);
if (transportProto == "tcp") {
script = script.append(" | grep LISTEN");
}
ErrorCode errorCode = runScript(credentials, replaceVars(script, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
if (errorCode != ErrorCode::NoError) {
return errorCode;
}
if (!stdOut.isEmpty()) {
return ErrorCode::ServerPortAlreadyAllocatedError;
}
return ErrorCode::NoError;
}
ErrorCode ServerController::isUserInSudo(const ServerCredentials &credentials, DockerContainer container)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
const QString scriptData = amnezia::scriptData(SharedScriptType::check_user_in_sudo);
ErrorCode error = runScript(credentials, replaceVars(scriptData, genVarsForScript(credentials)), cbReadStdOut, cbReadStdErr);
if (credentials.userName != "root" && stdOut.contains("sudo:") && !stdOut.contains("uname:") && stdOut.contains("not found"))
return ErrorCode::ServerSudoPackageIsNotPreinstalled;
if (credentials.userName != "root" && !stdOut.contains("sudo") && !stdOut.contains("wheel"))
return ErrorCode::ServerUserNotInSudo;
if (stdOut.contains("can't cd to") || stdOut.contains("Permission denied") || stdOut.contains("No such file or directory"))
return ErrorCode::ServerUserDirectoryNotAccessible;
if (stdOut.contains("sudoers") || stdOut.contains("is not allowed to run sudo on"))
return ErrorCode::ServerUserNotAllowedInSudoers;
if (stdOut.contains("password is required"))
return ErrorCode::ServerUserPasswordRequired;
return error;
}
ErrorCode ServerController::isServerDpkgBusy(const ServerCredentials &credentials, DockerContainer container)
{
m_cancelInstallation = false;
QString stdOut;
auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
auto cbReadStdErr = [&](const QString &data, libssh::Client &) {
stdOut += data + "\n";
return ErrorCode::NoError;
};
QFutureWatcher<ErrorCode> watcher;
QFuture<ErrorCode> future = QtConcurrent::run([this, &stdOut, &cbReadStdOut, &cbReadStdErr, &credentials]() {
// max 100 attempts
for (int i = 0; i < 30; ++i) {
if (m_cancelInstallation) {
return ErrorCode::ServerCancelInstallation;
}
stdOut.clear();
runScript(credentials, replaceVars(amnezia::scriptData(SharedScriptType::check_server_is_busy), genVarsForScript(credentials)),
cbReadStdOut, cbReadStdErr);
if (stdOut.contains("Packet manager not found"))
return ErrorCode::ServerPacketManagerError;
if (stdOut.contains("fuser not installed"))
return ErrorCode::NoError;
if (stdOut.isEmpty()) {
return ErrorCode::NoError;
} else {
#ifdef MZ_DEBUG
qDebug().noquote() << stdOut;
#endif
emit serverIsBusy(true);
QThread::msleep(10000);
}
}
return ErrorCode::ServerPacketManagerError;
});
QEventLoop wait;
QObject::connect(&watcher, &QFutureWatcher<ErrorCode>::finished, &wait, &QEventLoop::quit);
watcher.setFuture(future);
wait.exec();
emit serverIsBusy(false);
return future.result();
}
ErrorCode ServerController::getDecryptedPrivateKey(const ServerCredentials &credentials, QString &decryptedPrivateKey,
const std::function<QString()> &callback)
{
auto error = m_sshClient.getDecryptedPrivateKey(credentials, decryptedPrivateKey, callback);
return error;
}