Mar 13th 2023 update

This commit is contained in:
Ned Wright
2023-03-13 19:02:52 +00:00
parent 03f4d6bf39
commit a9f917d638
40 changed files with 587 additions and 532 deletions

View File

@@ -27,6 +27,35 @@ USE_DEBUG_FLAG(D_WAAP);
using namespace std;
const static string default_host = "open-appsec-tuning-svc";
void
WaapTelemetryBase::sendLog(const LogRest &metric_client_rest) const
{
OrchestrationMode mode = Singleton::Consume<I_AgentDetails>::by<GenericMetric>()->getOrchestrationMode();
if (mode == OrchestrationMode::ONLINE) {
GenericMetric::sendLog(metric_client_rest);
return;
}
auto svc_host = getConfigurationWithDefault(default_host, "Logging", "K8sSvc Log host");
Flags<MessageConnConfig> conn_flags;
conn_flags.setFlag(MessageConnConfig::EXTERNAL);
string fog_metric_uri = getConfigurationWithDefault<string>("/api/v1/agents/events", "metric", "fogMetricUri");
std::string tenant_header = "X-Tenant-Id: " +
Singleton::Consume<I_AgentDetails>::by<GenericMetric>()->getTenantId();
Singleton::Consume<I_Messaging>::by<GenericMetric>()->sendNoReplyObject(
metric_client_rest,
I_Messaging::Method::POST,
svc_host,
80,
conn_flags,
fog_metric_uri,
tenant_header,
nullptr,
MessageTypeTag::METRIC);
}
void
WaapTelemetrics::initMetrics()
{
@@ -172,7 +201,7 @@ WaapMetricWrapper::upon(const WaapTelemetryEvent &event)
"WAAP telemetry",
ReportIS::AudienceTeam::WAAP,
ReportIS::IssuingEngine::AGENT_CORE,
chrono::minutes(10),
chrono::minutes(LOGGING_INTERVAL_IN_MINUTES),
true,
ReportIS::Audience::SECURITY
);
@@ -204,7 +233,7 @@ WaapMetricWrapper::upon(const WaapTelemetryEvent &event)
"WAAP attack type telemetry",
ReportIS::AudienceTeam::WAAP,
ReportIS::IssuingEngine::AGENT_CORE,
chrono::minutes(10),
chrono::minutes(LOGGING_INTERVAL_IN_MINUTES),
true,
ReportIS::Audience::SECURITY
);
@@ -255,7 +284,7 @@ WaapMetricWrapper::upon(const WaapTelemetryEvent &event)
"Waap Metrics",
ReportIS::AudienceTeam::WAAP,
ReportIS::IssuingEngine::AGENT_CORE,
chrono::minutes(10),
chrono::minutes(LOGGING_INTERVAL_IN_MINUTES),
true,
ReportIS::Audience::INTERNAL
);
@@ -267,7 +296,7 @@ WaapMetricWrapper::upon(const WaapTelemetryEvent &event)
"WAAP Attack Type Metrics",
ReportIS::AudienceTeam::WAAP,
ReportIS::IssuingEngine::AGENT_CORE,
chrono::minutes(10),
chrono::minutes(LOGGING_INTERVAL_IN_MINUTES),
true,
ReportIS::Audience::INTERNAL
);

View File

@@ -260,7 +260,6 @@ void TrustedSourcesConfidenceCalculator::log(Key key, Val value, Source source)
<< " from the source: "
<< source;
m_logger[key][value].insert(source);
saveData();
}
void TrustedSourcesConfidenceCalculator::reset()

View File

@@ -16,11 +16,17 @@
#include "i_serialize.h"
#include "waap.h"
static const std::string BASE_URI = "/storage/waap/";
using namespace std;
static const string defaultSharedStorageHost = "appsec-shared-storage-svc";
#define SHARED_STORAGE_HOST_ENV_NAME "SHARED_STORAGE_HOST"
USE_DEBUG_FLAG(D_WAAP);
TuningDecision::TuningDecision(const std::string& remotePath) :
m_remotePath(remotePath + "/tuning")
TuningDecision::TuningDecision(const string& remotePath)
:
m_remotePath(remotePath + "/tuning"),
m_baseUri()
{
if (remotePath == "")
{
@@ -28,7 +34,7 @@ TuningDecision::TuningDecision(const std::string& remotePath) :
}
Singleton::Consume<I_MainLoop>::by<WaapComponent>()->addRecurringRoutine(
I_MainLoop::RoutineType::System,
std::chrono::minutes(10),
chrono::minutes(10),
[&]() { updateDecisions(); },
"Get tuning updates"
);
@@ -48,9 +54,9 @@ struct TuningEvent
ar(cereal::make_nvp("eventType", eventType));
ar(cereal::make_nvp("eventTitle", eventTitle));
}
std::string decision;
std::string eventType;
std::string eventTitle;
string decision;
string eventType;
string eventTitle;
};
class TuningEvents : public RestGetFile
@@ -61,16 +67,16 @@ public:
}
Maybe<std::vector<TuningEvent>> getTuningEvents()
Maybe<vector<TuningEvent>> getTuningEvents()
{
return decisions.get();
}
private:
S2C_PARAM(std::vector<TuningEvent>, decisions);
S2C_PARAM(vector<TuningEvent>, decisions);
};
TuningDecisionEnum TuningDecision::convertDecision(std::string decisionStr)
TuningDecisionEnum TuningDecision::convertDecision(string decisionStr)
{
if (decisionStr == "benign")
{
@@ -87,7 +93,7 @@ TuningDecisionEnum TuningDecision::convertDecision(std::string decisionStr)
return NO_DECISION;
}
TuningDecisionType TuningDecision::convertDecisionType(std::string decisionTypeStr)
TuningDecisionType TuningDecision::convertDecisionType(string decisionTypeStr)
{
if (decisionTypeStr == "source")
{
@@ -112,9 +118,18 @@ void TuningDecision::updateDecisions()
{
TuningEvents tuningEvents;
RemoteFilesList tuningDecisionFiles;
if (m_baseUri == "") {
I_AgentDetails *agentDetails = Singleton::Consume<I_AgentDetails>::by<WaapComponent>();
if (agentDetails->getOrchestrationMode() != OrchestrationMode::ONLINE) {
m_baseUri = "/api/";
} else {
m_baseUri = "/storage/waap/";
}
dbgTrace(D_WAAP) << "URI prefix: " << m_baseUri;
}
bool isSuccessful = sendObject(tuningDecisionFiles,
I_Messaging::Method::GET,
BASE_URI + "?list-type=2&prefix=" + m_remotePath);
m_baseUri + "?list-type=2&prefix=" + m_remotePath);
if (!isSuccessful || tuningDecisionFiles.getFilesList().empty())
{
@@ -124,12 +139,12 @@ void TuningDecision::updateDecisions()
if (!sendObject(tuningEvents,
I_Messaging::Method::GET,
BASE_URI + tuningDecisionFiles.getFilesList()[0]))
m_baseUri + tuningDecisionFiles.getFilesList()[0]))
{
return;
}
m_decisions.clear();
Maybe<std::vector<TuningEvent>> events = tuningEvents.getTuningEvents();
Maybe<vector<TuningEvent>> events = tuningEvents.getTuningEvents();
if (!events.ok())
{
dbgDebug(D_WAAP) << "failed to parse events";
@@ -142,7 +157,7 @@ void TuningDecision::updateDecisions()
}
}
TuningDecisionEnum TuningDecision::getDecision(std::string tuningValue, TuningDecisionType tuningType)
TuningDecisionEnum TuningDecision::getDecision(string tuningValue, TuningDecisionType tuningType)
{
const auto& typeDecisionsItr = m_decisions.find(tuningType);
if (typeDecisionsItr == m_decisions.cend())
@@ -156,3 +171,20 @@ TuningDecisionEnum TuningDecision::getDecision(std::string tuningValue, TuningDe
}
return decisionItr->second;
}
string
TuningDecision::getSharedStorageHost()
{
static string shared_storage_host;
if (!shared_storage_host.empty()) {
return shared_storage_host;
}
char* sharedStorageHost = getenv(SHARED_STORAGE_HOST_ENV_NAME);
if (sharedStorageHost != NULL) {
shared_storage_host = string(sharedStorageHost);
dbgInfo(D_WAAP) << "shared storage host is set to " << shared_storage_host;
return shared_storage_host;
}
dbgWarning(D_WAAP) << "shared storage host is not set. using default: " << defaultSharedStorageHost;
return defaultSharedStorageHost;
}

View File

@@ -49,7 +49,7 @@ private:
void updateDecisions();
TuningDecisionType convertDecisionType(std::string decisionTypeStr);
TuningDecisionEnum convertDecision(std::string decisionStr);
std::string getSharedStorageHost();
template<typename T>
bool sendObject(T &obj, I_Messaging::Method method, std::string uri)
@@ -64,7 +64,7 @@ private:
return messaging->sendObject(
obj,
method,
"fog-msrv-appsec-shared-files-svc",
getSharedStorageHost(),
80,
conn_flags,
uri,
@@ -83,6 +83,7 @@ private:
}
std::string m_remotePath;
std::string m_baseUri;
std::map<TuningDecisionType, std::map<std::string, TuningDecisionEnum>> m_decisions;
};

View File

@@ -24,6 +24,7 @@ bool checkUrlEncoded(const char *buf, size_t len)
dbgFlow(D_WAAP);
size_t i = 0;
int hex_characters_to_follow = 0;
bool has_encoded_value = false;
for (; i < len; i++) {
char ch = buf[i];
@@ -38,6 +39,7 @@ bool checkUrlEncoded(const char *buf, size_t len)
}
return false;
} else if (ch == '%') {
has_encoded_value = true;
hex_characters_to_follow = 2;
continue;
}
@@ -75,7 +77,7 @@ bool checkUrlEncoded(const char *buf, size_t len)
}
}
return true;
return has_encoded_value;
}
ValueStatsAnalyzer::ValueStatsAnalyzer(const std::string &cur_val)
@@ -139,6 +141,10 @@ ValueStatsAnalyzer::ValueStatsAnalyzer(const std::string &cur_val)
break;
}
if (isspace(ch)) {
hasSpace = true;
}
// The index will be 0 for even, and 1 for odd offsets
int index = i % 2;
@@ -225,40 +231,6 @@ ValueStatsAnalyzer::ValueStatsAnalyzer(const std::string &cur_val)
if (longestZerosSeq[0] <= 2 && longestZerosSeq[1] <= 2) {
isUTF16 = false;
}
// Detect URLEncode value
size_t ofs = 0;
for (size_t i = 0 ; i < cur_val.size(); ++i) {
char ch = cur_val[i];
if (isspace(ch)) {
hasSpace = true;
isUrlEncoded = false;
break;
}
if (ofs == 0) {
if (ch == '%') {
ofs++;
}
}
else if (ofs <= 2) {
if (!isHexDigit(ch)) {
isUrlEncoded = false;
break; // at least one broken URLEncode sequence detected
}
if (ofs == 2) {
isUrlEncoded = true; // complete '%hh' sequence
ofs = 0; // search for next '%' character
}
else {
ofs++;
}
}
}
// Cancel url decoding if partial match after '%' is found, or if potential specific utf8 evasion is suspected
if (ofs != 0) {
isUrlEncoded = false;
}
isUrlEncoded = checkUrlEncoded(cur_val.data(), cur_val.size());
}