amnezia-client/client/core/servercontroller.cpp
2022-11-30 14:26:44 +01:00

821 lines
32 KiB
C++

#include "servercontroller.h"
#include <QCryptographicHash>
#include <QDir>
#include <QFile>
#include <QEventLoop>
#include <QLoggingCategory>
#include <QPointer>
#include <QTimer>
#include <QJsonObject>
#include <QJsonDocument>
#include <QApplication>
#include <QTemporaryFile>
#include <QFileInfo>
#include "sftpchannel.h"
#include "sshconnectionmanager.h"
#include "containers/containers_defs.h"
#include "server_defs.h"
#include "settings.h"
#include "scripts_registry.h"
#include "utilities.h"
#include <configurators/vpn_configurator.h>
using namespace QSsh;
ServerController::ServerController(std::shared_ptr<Settings> settings, QObject *parent) :
m_settings(settings)
{
}
ErrorCode ServerController::runScript(const ServerCredentials &credentials, QString script,
const std::function<void(const QString &, QSharedPointer<SshRemoteProcess>)> &cbReadStdOut,
const std::function<void(const QString &, QSharedPointer<SshRemoteProcess>)> &cbReadStdErr)
{
SshConnection *client = connectToHost(sshParams(credentials));
if (client->state() == SshConnection::State::Connecting) {
qDebug() << "ServerController::runScript aborted, connectToHost in progress";
return ErrorCode::SshTimeoutError;
}
else if (client->state() != SshConnection::State::Connected) {
qDebug() << "ServerController::runScript connectToHost error: " << fromSshConnectionErrorCode(client->errorState());
return fromSshConnectionErrorCode(client->errorState());
}
script.replace("\r", "");
qDebug() << "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);
QString nextLine;
if (i + 1 < lines.count()) nextLine = lines.at(i+1);
if (totalLine.isEmpty()) {
totalLine = currentLine;
}
else {
totalLine = totalLine + "\n" + currentLine;
}
QString lineToExec;
if (currentLine.endsWith("\\")) {
continue;
}
else {
lineToExec = totalLine;
totalLine.clear();
}
// Run collected line
if (totalLine.startsWith("#")) {
continue;
}
qDebug().noquote() << "EXEC" << lineToExec;
Debug::appendSshLog("Run command:" + lineToExec);
QSharedPointer<SshRemoteProcess> proc = client->createRemoteProcess(lineToExec.toUtf8());
if (!proc) {
qCritical() << "Failed to create SshRemoteProcess, breaking.";
return ErrorCode::SshRemoteProcessCreationError;
}
QEventLoop wait;
int exitStatus = -1;
// QObject::connect(proc.data(), &SshRemoteProcess::started, &wait, [](){
// qDebug() << "Command started";
// });
QObject::connect(proc.data(), &SshRemoteProcess::closed, &wait, [&](int status){
exitStatus = status;
//qDebug() << "Remote process exited with status" << status;
wait.quit();
});
QObject::connect(proc.data(), &SshRemoteProcess::readyReadStandardOutput, &wait, [proc, cbReadStdOut](){
QString s = proc->readAllStandardOutput();
if (s != "." && !s.isEmpty()) {
Debug::appendSshLog("Output: " + s);
qDebug().noquote() << "stdout" << s;
}
if (cbReadStdOut) cbReadStdOut(s, proc);
});
QObject::connect(proc.data(), &SshRemoteProcess::readyReadStandardError, &wait, [proc, cbReadStdErr](){
QString s = proc->readAllStandardError();
if (s != "." && !s.isEmpty()) {
Debug::appendSshLog("Output: " + s);
qDebug().noquote() << "stderr" << s;
}
if (cbReadStdErr) cbReadStdErr(s, proc);
});
proc->start();
if (i < lines.count() && exitStatus < 0) {
wait.exec();
}
if (SshRemoteProcess::ExitStatus(exitStatus) != QSsh::SshRemoteProcess::ExitStatus::NormalExit) {
return fromSshProcessExitStatus(exitStatus);
}
}
qDebug() << "ServerController::runScript finished\n";
return ErrorCode::NoError;
}
ErrorCode ServerController::runContainerScript(const ServerCredentials &credentials,
DockerContainer container, QString script,
const std::function<void (const QString &, QSharedPointer<QSsh::SshRemoteProcess>)> &cbReadStdOut,
const std::function<void (const QString &, QSharedPointer<QSsh::SshRemoteProcess>)> &cbReadStdErr)
{
QString fileName = "/opt/amnezia/" + Utils::getRandomString(16) + ".sh";
Debug::appendSshLog("Run container script for " + ContainerProps::containerToString(container) + ":\n" + script);
ErrorCode e = uploadTextFileToContainer(container, credentials, script, fileName);
if (e) return e;
QString runner = QString("sudo docker exec -i $CONTAINER_NAME bash %1 ").arg(fileName);
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)));
return e;
}
ErrorCode ServerController::uploadTextFileToContainer(DockerContainer container,
const ServerCredentials &credentials, const QString &file, const QString &path,
QSsh::SftpOverwriteMode 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, QSharedPointer<QSsh::SshRemoteProcess> ) {
stdOut += data + "\n";
};
// 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 == QSsh::SftpOverwriteMode::SftpOverwriteExisting) {
e = runScript(credentials,
replaceVars(QString("sudo docker cp %1 $CONTAINER_NAME:/%2").arg(tmpFileName).arg(path),
genVarsForScript(credentials, container)), cbReadStd, cbReadStd);
if (e) return e;
}
else if (overwriteMode == QSsh::SftpOverwriteMode::SftpAppendToExisting) {
e = runScript(credentials,
replaceVars(QString("sudo docker cp %1 $CONTAINER_NAME:/%2").arg(tmpFileName).arg(tmpFileName),
genVarsForScript(credentials, container)), cbReadStd, cbReadStd);
if (e) return e;
e = runScript(credentials,
replaceVars(QString("sudo docker exec -i $CONTAINER_NAME sh -c \"cat %1 >> %2\"").arg(tmpFileName).arg(path),
genVarsForScript(credentials, container)), cbReadStd, cbReadStd);
if (e) return e;
}
else return ErrorCode::NotImplementedError;
if (stdOut.contains("Error: No such container:")) {
return ErrorCode::ServerContainerMissingError;
}
runScript(credentials,
replaceVars(QString("sudo shred %1").arg(tmpFileName),
genVarsForScript(credentials, container)));
runScript(credentials,
replaceVars(QString("sudo rm %1").arg(tmpFileName),
genVarsForScript(credentials, container)));
return e;
}
QByteArray ServerController::getTextFileFromContainer(DockerContainer container,
const ServerCredentials &credentials, const QString &path, ErrorCode *errorCode)
{
if (errorCode) *errorCode = ErrorCode::NoError;
QString script = QString("sudo docker exec -i %1 sh -c \"xxd -p \'%2\'\"").
arg(ContainerProps::containerToString(container)).arg(path);
qDebug().noquote() << "Copy file from container\n" << script;
SshConnection *client = connectToHost(sshParams(credentials));
if (client->state() != SshConnection::State::Connected) {
if (errorCode) *errorCode = fromSshConnectionErrorCode(client->errorState());
return {};
}
QSharedPointer<SshRemoteProcess> proc = client->createRemoteProcess(script.toUtf8());
if (!proc) {
qCritical() << "Failed to create SshRemoteProcess, breaking.";
if (errorCode) *errorCode = ErrorCode::SshRemoteProcessCreationError;
return {};
}
QEventLoop wait;
int exitStatus = 0;
QObject::connect(proc.data(), &SshRemoteProcess::closed, &wait, [&](int status){
exitStatus = status;
wait.quit();
});
QObject::connect(proc.data(), &SshRemoteProcess::started, &wait, [&](){
qDebug() << "ServerController::getTextFileFromContainer proc started";
exitStatus = -1;
});
proc->start();
wait.exec();
// if (exitStatus < 0) {
// wait.exec();
// }
if (SshRemoteProcess::ExitStatus(exitStatus) != QSsh::SshRemoteProcess::ExitStatus::NormalExit) {
if (errorCode) *errorCode = fromSshProcessExitStatus(exitStatus);
}
if (errorCode) *errorCode = ErrorCode::NoError;
return QByteArray::fromHex(proc->readAllStandardOutput());
}
ErrorCode ServerController::checkOpenVpnServer(DockerContainer container, const ServerCredentials &credentials)
{
QString caCert = ServerController::getTextFileFromContainer(container,
credentials, protocols::openvpn::caCertPath);
QString taKey = ServerController::getTextFileFromContainer(container,
credentials, protocols::openvpn::taKeyPath);
if (!caCert.isEmpty() && !taKey.isEmpty()) {
return ErrorCode::NoError;
}
else {
return ErrorCode::ServerCheckFailed;
}
}
ErrorCode ServerController::uploadFileToHost(const ServerCredentials &credentials, const QByteArray &data, const QString &remotePath,
QSsh::SftpOverwriteMode overwriteMode)
{
SshConnection *client = connectToHost(sshParams(credentials));
if (client->state() != SshConnection::State::Connected) {
return fromSshConnectionErrorCode(client->errorState());
}
bool err = false;
QEventLoop wait;
QTimer timer;
timer.setSingleShot(true);
timer.start(3000);
QSharedPointer<SftpChannel> sftp = client->createSftpChannel();
sftp->initialize();
QObject::connect(sftp.data(), &SftpChannel::initialized, &wait, [&](){
timer.stop();
wait.quit();
});
QObject::connect(&timer, &QTimer::timeout, &wait, [&](){
err= true;
wait.quit();
});
wait.exec();
if (!sftp) {
qCritical() << "Failed to create SftpChannel, breaking.";
return ErrorCode::SshRemoteProcessCreationError;
}
QTemporaryFile localFile;
localFile.open();
localFile.write(data);
localFile.close();
auto job = sftp->uploadFile(localFile.fileName(), remotePath, QSsh::SftpOverwriteMode::SftpOverwriteExisting);
QObject::connect(sftp.data(), &SftpChannel::finished, &wait, [&](QSsh::SftpJobId j, const SftpError errorType = SftpError::NoError, const QString &error = QString()){
if (job == j) {
qDebug() << "Sftp finished with status" << error;
wait.quit();
}
});
QObject::connect(sftp.data(), &SftpChannel::channelError, &wait, [&](const QString &reason){
qDebug() << "Sftp finished with error" << reason;
err= true;
wait.quit();
});
wait.exec();
if (err) {
return ErrorCode::SshSftpError;
}
else {
return ErrorCode::NoError;
}
}
ErrorCode ServerController::fromSshConnectionErrorCode(SshError error)
{
switch (error) {
case(SshNoError): return ErrorCode::NoError;
case(QSsh::SshSocketError): return ErrorCode::SshSocketError;
case(QSsh::SshTimeoutError): return ErrorCode::SshTimeoutError;
case(QSsh::SshProtocolError): return ErrorCode::SshProtocolError;
case(QSsh::SshHostKeyError): return ErrorCode::SshHostKeyError;
case(QSsh::SshKeyFileError): return ErrorCode::SshKeyFileError;
case(QSsh::SshAuthenticationError): return ErrorCode::SshAuthenticationError;
case(QSsh::SshClosedByServerError): return ErrorCode::SshClosedByServerError;
case(QSsh::SshInternalError): return ErrorCode::SshInternalError;
default: return ErrorCode::SshInternalError;
}
}
ErrorCode ServerController::fromSshProcessExitStatus(int exitStatus)
{
qDebug() << exitStatus;
switch (SshRemoteProcess::ExitStatus(exitStatus)) {
case(SshRemoteProcess::ExitStatus::NormalExit): return ErrorCode::NoError;
case(SshRemoteProcess::ExitStatus::FailedToStart): return ErrorCode::FailedToStartRemoteProcessError;
case(SshRemoteProcess::ExitStatus::CrashExit): return ErrorCode::RemoteProcessCrashError;
default: return ErrorCode::SshInternalError;
}
}
SshConnectionParameters ServerController::sshParams(const ServerCredentials &credentials)
{
QSsh::SshConnectionParameters sshParams;
if (credentials.password.contains("BEGIN") && credentials.password.contains("PRIVATE KEY")) {
sshParams.authenticationType = QSsh::SshConnectionParameters::AuthenticationTypePublicKey;
sshParams.privateKeyFile = credentials.password;
}
else {
sshParams.authenticationType = QSsh::SshConnectionParameters::AuthenticationTypePassword;
sshParams.setPassword(credentials.password);
}
sshParams.setHost(credentials.hostName);
sshParams.setUserName(credentials.userName);
sshParams.timeout = 10;
sshParams.setPort(credentials.port);
sshParams.hostKeyCheckingMode = QSsh::SshHostKeyCheckingMode::SshHostKeyCheckingNone;
sshParams.options = SshIgnoreDefaultProxy;
return sshParams;
}
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)
{
qDebug().noquote() << "ServerController::setupContainer" << ContainerProps::containerToString(container);
//qDebug().noquote() << QJsonDocument(config).toJson();
ErrorCode e = ErrorCode::NoError;
e = installDockerWorker(credentials, container);
if (e) return e;
qDebug().noquote() << "ServerController::setupContainer installDockerWorker finished";
e = prepareHostWorker(credentials, container, config);
if (e) return e;
qDebug().noquote() << "ServerController::setupContainer prepareHostWorker finished";
removeContainer(credentials, container);
qDebug().noquote() << "ServerController::setupContainer removeContainer finished";
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 reinstallRequred = isReinstallContainerRequred(container, oldConfig, newConfig);
qDebug() << "ServerController::updateContainer for container" << container << "reinstall required is" << reinstallRequred;
if (reinstallRequred) {
return setupContainer(credentials, container, newConfig);
}
else {
ErrorCode e = configureContainerWorker(credentials, container, newConfig);
if (e) return e;
return startupContainerWorker(credentials, container, newConfig);
}
}
QJsonObject ServerController::createContainerInitialConfig(DockerContainer container, int port, TransportProto tp)
{
Proto mainProto = ContainerProps::defaultProtocol(container);
QJsonObject config {
{ config_key::container, ContainerProps::containerToString(container) }
};
QJsonObject protoConfig;
protoConfig.insert(config_key::port, QString::number(port));
protoConfig.insert(config_key::transport_proto, ProtocolProps::transportProtoToString(tp, mainProto));
if (container == DockerContainer::Sftp) {
protoConfig.insert(config_key::userName, protocols::sftp::defaultUserName);
protoConfig.insert(config_key::password, Utils::getRandomString(10));
}
config.insert(ProtocolProps::protoToString(mainProto), protoConfig);
return config;
}
bool ServerController::isReinstallContainerRequred(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;
}
return false;
}
ErrorCode ServerController::installDockerWorker(const ServerCredentials &credentials, DockerContainer container)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
if (data.contains("Automatically restart Docker daemon?")) {
proc->write("yes\n");
}
};
auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> ) {
stdOut += data + "\n";
};
ErrorCode e = runScript(credentials,
replaceVars(amnezia::scriptData(SharedScriptType::install_docker),
genVarsForScript(credentials)),
cbReadStdOut, cbReadStdErr);
if (stdOut.contains("command not found")) return ErrorCode::ServerDockerFailedError;
return e;
}
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)
{
ErrorCode e = uploadFileToHost(credentials, amnezia::scriptData(ProtocolScriptType::dockerfile, container).toUtf8(),
amnezia::server::getDockerfileFolder(container) + "/Dockerfile");
if (e) return e;
// QString stdOut;
// auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
// stdOut += data + "\n";
// };
// auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
// stdOut += data + "\n";
// };
return runScript(credentials,
replaceVars(amnezia::scriptData(SharedScriptType::build_container),
genVarsForScript(credentials, container, config)));
}
ErrorCode ServerController::runContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
ErrorCode e = runScript(credentials,
replaceVars(amnezia::scriptData(ProtocolScriptType::run_container, container),
genVarsForScript(credentials, container, config)),
cbReadStdOut, cbReadStdErr);
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, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
ErrorCode e = runContainerScript(credentials, container,
replaceVars(amnezia::scriptData(ProtocolScriptType::configure_container, container),
genVarsForScript(credentials, container, config)),
cbReadStdOut, cbReadStdErr);
m_configurator->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 $CONTAINER_NAME sh -c \"chmod a+x /opt/amnezia/start.sh && /opt/amnezia/start.sh\"",
genVarsForScript(credentials, container, config)));
}
ServerController::Vars ServerController::genVarsForScript(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
{
const QJsonObject &openvpnConfig = config.value(ProtocolProps::protoToString(Proto::OpenVpn)).toObject();
const QJsonObject &cloakConfig = config.value(ProtocolProps::protoToString(Proto::Cloak)).toObject();
const QJsonObject &ssConfig = config.value(ProtocolProps::protoToString(Proto::ShadowSocks)).toObject();
const QJsonObject &wireguarConfig = config.value(ProtocolProps::protoToString(Proto::WireGuard)).toObject();
const QJsonObject &sftpConfig = config.value(ProtocolProps::protoToString(Proto::Sftp)).toObject();
//
Vars vars;
vars.append({{"$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({{"$FAKE_WEB_SITE_ADDRESS", cloakConfig.value(config_key::site).toString(protocols::cloak::defaultRedirSite) }});
// Wireguard vars
vars.append({{"$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({{"$SFTP_PASSWORD", sftpConfig.value(config_key::password).toString() }});
QString serverIp = Utils::getIPAddress(credentials.hostName);
if (!serverIp.isEmpty()) {
vars.append({{"$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, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> ) {
stdOut += data + "\n";
};
ErrorCode e = runScript(credentials,
amnezia::scriptData(SharedScriptType::check_connection), cbReadStdOut, cbReadStdErr);
if (errorCode) *errorCode = e;
return stdOut;
}
SshConnection *ServerController::connectToHost(const SshConnectionParameters &sshParams)
{
SshConnection *client = acquireConnection(sshParams);
if (!client) return nullptr;
QEventLoop waitssh;
QObject::connect(client, &SshConnection::connected, &waitssh, [&]() {
qDebug() << "Server connected by ssh";
waitssh.quit();
});
QObject::connect(client, &SshConnection::disconnected, &waitssh, [&]() {
qDebug() << "Server disconnected by ssh";
waitssh.quit();
});
QObject::connect(client, &SshConnection::error, &waitssh, [&](QSsh::SshError error) {
qCritical() << "Ssh error:" << error << client->errorString();
waitssh.quit();
});
// QObject::connect(client, &SshConnection::dataAvailable, [&](const QString &message) {
// qCritical() << "Ssh message:" << message;
// });
//qDebug() << "Connection state" << client->state();
if (client->state() == SshConnection::State::Unconnected) {
client->connectToHost();
waitssh.exec();
}
// QObject::connect(&client, &SshClient::sshDataReceived, [&](){
// qDebug().noquote() << "Data received";
// });
// if(client.sshState() != SshClient::SshState::Ready) {
// qCritical() << "Can't connect to server";
// return false;
// }
// else {
// qDebug() << "SSh connection established";
// }
// QObject::connect(proc, &SshProcess::finished, &wait, &QEventLoop::quit);
// QObject::connect(proc, &SshProcess::failed, &wait, &QEventLoop::quit);
return client;
}
void ServerController::disconnectFromHost(const ServerCredentials &credentials)
{
SshConnection *client = acquireConnection(sshParams(credentials));
if (client) client->disconnectFromHost();
}
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) {
//qDebug() << "Replacing" << var.first << var.second;
s.replace(var.first, var.second);
}
//qDebug().noquote() << script;
return s;
}