[jackson-dataformat-xml] Initial integration (#5551)

projects/jackson-dataformat-xml/Dockerfile

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+# Copyright 2021 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
+
+RUN curl -L https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip -o maven.zip && \
+    unzip maven.zip -d $SRC/maven && \
+    rm -rf maven.zip
+
+ENV MVN $SRC/maven/apache-maven-3.6.3/bin/mvn
+
+RUN git clone --depth 1 https://github.com/google/fuzzing && \
+    mv fuzzing/dictionaries/xml.dict $SRC/XmlFuzzer.dict && \
+    rm -rf fuzzing
+
+RUN git clone --depth 1 https://github.com/dvyukov/go-fuzz-corpus && \
+    zip -j $SRC/XmlFuzzer_seed_corpus.zip go-fuzz-corpus/xml/corpus/* && \
+    rm -rf go-fuzz-corpus
+
+ENV JACKSON_BRANCH=2.13
+
+RUN git clone --depth 1 --branch=$JACKSON_BRANCH https://github.com/FasterXML/jackson-dataformat-xml
+
+COPY build.sh $SRC/
+COPY XmlFuzzer.java $SRC/
+WORKDIR $SRC/jackson-dataformat-xml

projects/jackson-dataformat-xml/XmlFuzzer.java

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+// Copyright 2021 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.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import java.io.IOException;
+
+public class XmlFuzzer {
+  public static void fuzzerTestOneInput(byte[] input) {
+    ObjectMapper mapper = new XmlMapper();
+    try {
+      mapper.readTree(input);
+    } catch (IOException ignored) {
+    }
+  }
+}

projects/jackson-dataformat-xml/build.sh

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+#!/bin/bash -eu
+# Copyright 2021 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.
+#
+################################################################################
+
+# Move seed corpus and dictionary.
+mv $SRC/{*.zip,*.dict} $OUT
+
+MAVEN_ARGS="-P!java14+ -Dmaven.test.skip=true -Djavac.src.version=15 -Djavac.target.version=15"
+$MVN package org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade $MAVEN_ARGS
+CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
+ -Dexpression=project.version -q -DforceStdout)
+cp "target/jackson-dataformat-xml-$CURRENT_VERSION.jar" $OUT/jackson-dataformat-xml.jar
+
+ALL_JARS="jackson-dataformat-xml.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 $OUT/
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/sh
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+LD_LIBRARY_PATH=\"$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=\"-Xmx2048m\" \
+\$@" > $OUT/$fuzzer_basename
+  chmod u+x $OUT/$fuzzer_basename
+done

projects/jackson-dataformat-xml/project.yaml

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+homepage: "https://github.com/FasterXML/jackson-dataformat-xml"
+language: jvm
+primary_contact: "tatu@fasterxml.com"
+auto_ccs:
+  - "meumertzheim@code-intelligence.com"
+fuzzing_engines:
+  - libfuzzer
+main_repo: "https://github.com/FasterXML/jackson-dataformat-xml"
+sanitizers:
+  - address