smw/deskflow
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(ipc): Error handling for missing version in IPC handshake

Browse source
This commit is contained in:
Nick Bolton 2026-04-07 12:30:33 +01:00
parent 77bee2ddf3
commit 7c30add2a1
2 changed files with 21 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/lib/deskflow/ipc/IpcServer.cpp
View file

@ -112,12 +112,23 @@ void IpcServer::processMessage(QLocalSocket *clientSocket, const QString &messag
}
if (const auto &command = parts.at(0); command == "hello") {
if (parts.size() < 2) {
LOG_ERR("%s ipc client hello missing version", m_typeName.constData());
writeToClientSocket(clientSocket, "error=missing version");
clientSocket->flush();
clientSocket->disconnectFromServer();
return;
}
const auto versionId = QStringLiteral("%1+%2").arg(kVersion, kVersionGitSha);
const auto clientVersion = parts.size() >= 2 ? parts.at(1) : QString();
const auto clientVersion = parts.at(1);
LOG_DEBUG("%s ipc server got hello message (version: %s)", m_typeName.constData(), versionId.toUtf8().constData());
if (clientVersion != versionId) {
LOG_ERR("%s ipc client version mismatch (server: %s)", m_typeName.constData(), versionId.toUtf8().constData());
LOG_ERR(
"%s ipc client version mismatch (client: %s, server: %s)", m_typeName.constData(),
clientVersion.toUtf8().constData(), versionId.toUtf8().constData()
);
writeToClientSocket(clientSocket, QStringLiteral("error=version mismatch, expected: %1").arg(versionId));
clientSocket->flush();
clientSocket->disconnectFromServer();

9
src/lib/gui/ipc/IpcClient.cpp
View file

@ -175,8 +175,15 @@ void IpcClient::handleHandshakeMessage(const QStringList &parts)
return;
}
if (parts.size() < 2) {
qCritical().noquote() << QStringLiteral("%1 ipc server hello missing version").arg(m_typeName);
disconnectFromServer();
Q_EMIT connectionFailed();
return;
}
const auto versionId = QStringLiteral("%1+%2").arg(kVersion, kVersionGitSha);
const auto serverVersion = parts.size() >= 2 ? parts.at(1) : QString();
const auto serverVersion = parts.at(1);
if (serverVersion != versionId) {
qCritical().noquote(
) << QStringLiteral("%1 ipc version mismatch (client: %2 , server: %3)").arg(m_typeName, versionId, serverVersion);