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Sentry: use locked contexts to send data to avoid races

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This commit is contained in:
Lion Kortlepel 2021-08-10 12:28:06 +02:00 committed by Lion
parent 51e662fdda
commit 1409d4ef80
5 changed files with 9 additions and 1 deletions
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1
include/TSentry.h
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@ -24,6 +24,7 @@ public:
void AddErrorBreadcrumb(const std::string& msg, const std::string& file, const std::string& line);
// cleared when Logged
void SetTransaction(const std::string& id);
[[nodiscard]] std::unique_lock<std::mutex> CreateExclusiveContext();
private:
bool mValid { true };

1
src/THeartbeatThread.cpp
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@ -48,6 +48,7 @@ void THeartbeatThread::operator()() {
debug("server returned \"" + T + "\"");
if (T.size() > std::string("YOU_SHALL_NOT_PASS").size()
&& Application::Settings.Key.size() == 36) {
auto Lock = Sentry.CreateExclusiveContext();
Sentry.AddExtra("response-body", T);
Sentry.AddExtra("request-body", Body);
Sentry.SetTransaction(Application::GetBackendHostname() + Target);

1
src/TNetwork.cpp
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@ -297,6 +297,7 @@ void TNetwork::Authentication(SOCKET TCPSock) {
if (!AuthResponse.IsObject() && Rc != "0") {
ClientKick(*Client, "Backend returned invalid auth response format.");
error("Backend returned invalid auth response format. This should never happen.");
auto Lock = Sentry.CreateExclusiveContext();
Sentry.AddExtra("response-body", Rc);
Sentry.AddExtra("key", RequestString);
Sentry.SetTransaction(Application::GetBackendUrlForAuth() + Target);

6
src/TSentry.cpp
View File

@ -47,7 +47,7 @@ void TSentry::Log(sentry_level_t level, const std::string& logger, const std::st
void TSentry::LogDebug(const std::string& text, const std::string& file, const std::string& line) {
SetTransaction(file + ":" + line);
Log(SENTRY_LEVEL_DEBUG, "default", file + ": " + text);
Log(SENTRY_LEVEL_DEBUG, "default", file + ": " + text);
}
void TSentry::AddExtra(const std::string& key, const sentry_value_t& value) {
@ -86,3 +86,7 @@ void TSentry::SetTransaction(const std::string& id) {
}
sentry_set_transaction(id.c_str());
}
std::unique_lock<std::mutex> TSentry::CreateExclusiveContext() {
return std::unique_lock<std::mutex>(mMutex);
}

1
src/TServer.cpp
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@ -323,6 +323,7 @@ void TServer::Apply(TClient& c, int VID, const std::string& pckt) {
std::string VD = c.GetCarData(VID);
if (VD.empty()) {
error("Tried to apply change to vehicle that does not exist");
auto Lock = Sentry.CreateExclusiveContext();
Sentry.AddExtra("packet", Packet);
Sentry.AddExtra("vehicle-id", std::to_string(VID));
Sentry.AddExtra("client-car-count", std::to_string(c.GetCarCount()));