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evo-inflector: Initial integration #10700

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Jul 18, 2023
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24 changes: 24 additions & 0 deletions projects/evo-inflector/Dockerfile
Original file line number Diff line number Diff line change
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# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##########################################################################
FROM gcr.io/oss-fuzz-base/base-builder-jvm
RUN curl -L https://archive.apache.org/dist/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip \
-o maven.zip && \
unzip maven.zip -d $SRC/maven && \
rm maven.zip
ENV MVN $SRC/maven/apache-maven-3.6.3/bin/mvn
RUN git clone --depth 1 https://github.com/atteo/evo-inflector evo-inflector
COPY *.sh *.java $SRC/
WORKDIR $SRC/evo-inflector
39 changes: 39 additions & 0 deletions projects/evo-inflector/EnglishFuzzer.java
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import org.atteo.evo.inflector.English;

// Generated with https://github.com/ossf/fuzz-introspector/tree/main/tools/auto-fuzz
// Minor modifications to beautify code and ensure exception is caught.
// jvm-autofuzz-heuristics-1
// Heuristic name: jvm-autofuzz-heuristics-1
// Target method: [org.atteo.evo.inflector.English] public static java.lang.String
// plural(java.lang.String)
public class EnglishFuzzer {
private static English.MODE[] mode = {
English.MODE.ENGLISH_ANGLICIZED, English.MODE.ENGLISH_CLASSICAL};

public static void fuzzerTestOneInput(FuzzedDataProvider data) {
English.setMode(data.pickValue(mode));
Boolean choice = data.consumeBoolean();
if (choice) {
English.plural(data.consumeRemainingAsString());
} else {
Integer int1 = data.consumeInt();
English.plural(data.consumeRemainingAsString(), int1);
}
}
}
62 changes: 62 additions & 0 deletions projects/evo-inflector/build.sh
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#!/bin/bash -eu
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##########################################################################
find ./ -name pom.xml -exec sed -i 's/source>1.6</source>1.8</g' {} \;
find ./ -name pom.xml -exec sed -i 's/target>1.6</target>1.8</g' {} \;

$MVN clean package -Dmaven.javadoc.skip=true -DskipTests=true -Dpmd.skip=true \
-Dencoding=UTF-8 -Dmaven.antrun.skip=true -Dcheckstyle.skip=true \
-Denforcer.fail=false org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade
CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
-Dexpression=project.version -q -DforceStdout)

cp "target/evo-inflector-$CURRENT_VERSION.jar" $OUT/evo-inflector.jar

ALL_JARS="evo-inflector.jar"

# The classpath at build-time includes the project jars in $OUT as well as the
# Jazzer API.
BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH

# All .jar and .class files lie in the same directory as the fuzzer at runtime.
RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir

for fuzzer in $(find $SRC -name '*Fuzzer.java')
do
fuzzer_basename=$(basename -s .java $fuzzer)
javac -cp $BUILD_CLASSPATH $fuzzer
cp $SRC/$fuzzer_basename.class $OUT/

# Create an execution wrapper that executes Jazzer with the correct arguments.
echo "#!/bin/bash
# LLVMFuzzerTestOneInput for fuzzer detection.
this_dir=\$(dirname "\$0")
if [[ "\$@" =~ (^| )-runs=[0-9]+($| ) ]]
then
mem_settings='-Xmx1900m:-Xss900k'
else
mem_settings='-Xmx2048m:-Xss1024k'
fi
LD_LIBRARY_PATH="$JVM_LD_LIBRARY_PATH":\$this_dir \
\$this_dir/jazzer_driver \
--agent_path=\$this_dir/jazzer_agent_deploy.jar \
--cp=$RUNTIME_CLASSPATH \
--target_class=$fuzzer_basename \
--jvm_args="\$mem_settings" \
\$@" > $OUT/$fuzzer_basename

chmod u+x $OUT/$fuzzer_basename
done
11 changes: 11 additions & 0 deletions projects/evo-inflector/project.yaml
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homepage: https://github.com/atteo/evo-inflector
main_repo: https://github.com/atteo/evo-inflector
language: jvm
fuzzing_engines:
- libfuzzer
sanitizers:
- address
vendor_ccs:
- [email protected]
- [email protected]
- [email protected]
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