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Security Analytics 2.7 Backports #938

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merged 7 commits into from
Mar 19, 2024
Merged

Security Analytics 2.7 Backports #938

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a94d9c4
Version bump to 2.7.1
goyamegh Mar 14, 2024
c9bb3fd
fix detector writeTo() method missing fields (#695)
eirsep Oct 26, 2023
8dbd4f6
fix null query filter conversion from sigma to query string query (#722)
eirsep Nov 29, 2023
f2ab3e8
* #709 Return empty response for empty mappings and no applied aliases
goyamegh Nov 30, 2023
4b2206a
fixing build failures for previous cherry-pick PR for SAP2.7 (to be s…
toepkerd-zz Mar 18, 2024
2ed96e7
Pass rule field names in doc level queries during monitor/creation. R…
eirsep Mar 6, 2024
e12f6fb
fixing an import
toepkerd-zz Mar 19, 2024
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2 changes: 1 addition & 1 deletion build.gradle
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Expand Up @@ -6,7 +6,7 @@ import org.opensearch.gradle.test.RestIntegTestTask

buildscript {
ext {
opensearch_version = System.getProperty("opensearch.version", "2.7.0-SNAPSHOT")
opensearch_version = System.getProperty("opensearch.version", "2.7.1-SNAPSHOT")
isSnapshot = "true" == System.getProperty("build.snapshot", "true")
buildVersionQualifier = System.getProperty("build.version_qualifier", "")
version_tokens = opensearch_version.tokenize('-')
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6 changes: 5 additions & 1 deletion src/main/java/org/opensearch/securityanalytics/mapper/MapperService.java
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Expand Up @@ -72,9 +72,11 @@
// since you can't update documents in non-write indices
String index = indexName;
boolean shouldUpsertIndexTemplate = IndexUtils.isConcreteIndex(indexName, this.clusterService.state()) == false;
if (IndexUtils.isDataStream(indexName, this.clusterService.state())) {
if (IndexUtils.isDataStream(indexName, this.clusterService.state()) || IndexUtils.isAlias(indexName, this.clusterService.state())) {
log.debug("{} is an alias or datastream. Fetching write index for create mapping action.", indexName);

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String writeIndex = IndexUtils.getWriteIndex(indexName, this.clusterService.state());
if (writeIndex != null) {
log.debug("Write index for {} is {}", indexName, writeIndex);

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index = writeIndex;
}
}
Expand All @@ -86,6 +88,7 @@
applyAliasMappings(getMappingsResponse.getMappings(), ruleTopic, aliasMappings, partial, new ActionListener<>() {
@Override
public void onResponse(Collection<CreateMappingResult> createMappingResponse) {
log.debug("Completed create mappings for {}", indexName);

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// We will return ack==false if one of the requests returned that
// else return ack==true
Optional<AcknowledgedResponse> notAckd = createMappingResponse.stream()
Expand All @@ -104,6 +107,7 @@

@Override
public void onFailure(Exception e) {
log.debug("Failed to create mappings for {}", indexName );

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actionListener.onFailure(e);
}
});
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12 changes: 4 additions & 8 deletions src/main/java/org/opensearch/securityanalytics/mapper/MapperUtils.java
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Expand Up @@ -5,19 +5,16 @@

package org.opensearch.securityanalytics.mapper;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import org.apache.commons.lang3.tuple.Pair;
import org.opensearch.cluster.metadata.MappingMetadata;
import org.opensearch.common.collect.ImmutableOpenMap;

import org.opensearch.securityanalytics.util.SecurityAnalyticsException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.opensearch.securityanalytics.util.SecurityAnalyticsException;

public class MapperUtils {

Expand Down Expand Up @@ -249,7 +246,6 @@ public void onError(String error) {
}
});
mappingsTraverser.traverse();

return presentPathsMappings;
}
}
20 changes: 12 additions & 8 deletions src/main/java/org/opensearch/securityanalytics/model/Detector.java
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Expand Up @@ -158,12 +158,12 @@ public Detector(StreamInput sin) throws IOException {
sin.readList(DetectorInput::readFrom),
sin.readList(DetectorTrigger::readFrom),
sin.readStringList(),
sin.readString(),
sin.readString(),
sin.readString(),
sin.readString(),
sin.readString(),
sin.readString(),
sin.readOptionalString(),
sin.readOptionalString(),
sin.readOptionalString(),
sin.readOptionalString(),
sin.readOptionalString(),
sin.readOptionalString(),
sin.readMap(StreamInput::readString, StreamInput::readString)
);
}
Expand Down Expand Up @@ -196,8 +196,12 @@ public void writeTo(StreamOutput out) throws IOException {
it.writeTo(out);
}
out.writeStringCollection(monitorIds);
out.writeString(ruleIndex);

out.writeOptionalString(ruleIndex);
out.writeOptionalString(alertsIndex);
out.writeOptionalString(alertsHistoryIndex);
out.writeOptionalString(alertsHistoryIndexPattern);
out.writeOptionalString(findingsIndex);
out.writeOptionalString(findingsIndexPattern);
out.writeMap(ruleIdMonitorIdMap, StreamOutput::writeString, StreamOutput::writeString);
}

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7 changes: 5 additions & 2 deletions src/main/java/org/opensearch/securityanalytics/rules/backend/OSQueryBackend.java
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Expand Up @@ -131,7 +131,7 @@ public OSQueryBackend(String ruleCategory, boolean collectErrors, boolean enable
this.reEscapeChar = "\\";
this.reExpression = "%s: /%s/";
this.cidrExpression = "%s: \"%s\"";
this.fieldNullExpression = "%s: null";
this.fieldNullExpression = "%s: (NOT [* TO *])";
this.unboundValueStrExpression = "\"%s\"";
this.unboundValueNumExpression = "\"%s\"";
this.unboundWildcardExpression = "%s";
Expand Down Expand Up @@ -331,9 +331,12 @@ public Object convertConditionFieldEqValQueryExpr(ConditionFieldEqualsValueExpre

@Override
public Object convertConditionValStr(ConditionValueExpression condition) throws SigmaValueError {
String field = getFinalValueField();
ruleQueryFields.put(field, Map.of("type", "text", "analyzer", "rule_analyzer"));
SigmaString value = (SigmaString) condition.getValue();
boolean containsWildcard = value.containsWildcard();
return String.format(Locale.getDefault(), (containsWildcard? this.unboundWildcardExpression: this.unboundValueStrExpression), this.convertValueStr((SigmaString) condition.getValue()));
return String.format(Locale.getDefault(), (containsWildcard? this.unboundWildcardExpression: this.unboundValueStrExpression),
this.convertValueStr((SigmaString) condition.getValue()));
}

@Override
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