[jackson-core] Initial integration (#5396)

4 files changed, 143 insertions, 0 deletions

diff --git a/projects/jackson-core/Dockerfile b/projects/jackson-core/Dockerfile
new file mode 100644
index 000000000..942dc4420
--- /dev/null
+++ b/projects/jackson-core/Dockerfile
@@ -0,0 +1,35 @@
+
+# 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 apt-get update && apt-get install -y maven
+
+RUN git clone --depth 1 https://github.com/google/fuzzing
+RUN cat fuzzing/dictionaries/json.dict > $OUT/DenylistFuzzer.dict
+
+RUN git clone --depth 1 https://github.com/dvyukov/go-fuzz-corpus && \
+    zip -j $OUT/JsonFuzzer_seed_corpus.zip go-fuzz-corpus/json/corpus/*
+
+ENV JACKSON_BRANCH=2.13
+
+RUN git clone --depth 1 --branch=$JACKSON_BRANCH https://github.com/FasterXML/jackson-core
+RUN git clone --depth 1 --branch=$JACKSON_BRANCH https://github.com/FasterXML/jackson-databind
+RUN git clone --depth 1 --branch=$JACKSON_BRANCH https://github.com/FasterXML/jackson-annotations
+
+COPY build.sh $SRC/
+COPY JsonFuzzer.java $SRC/
+WORKDIR $SRC/
diff --git a/projects/jackson-core/JsonFuzzer.java b/projects/jackson-core/JsonFuzzer.java
new file mode 100644
index 000000000..05c0bb365
--- /dev/null
+++ b/projects/jackson-core/JsonFuzzer.java
@@ -0,0 +1,44 @@
+// 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.code_intelligence.jazzer.api.FuzzedDataProvider;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+
+public class JsonFuzzer {
+  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+    ObjectMapper mapper = new ObjectMapper();
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.ALLOW_COMMENTS);
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.ALLOW_SINGLE_QUOTES);
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES);
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.ALLOW_YAML_COMMENTS);
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.IGNORE_UNDEFINED);
+    if (data.consumeBoolean())
+      mapper.enable(JsonParser.Feature.STRICT_DUPLICATE_DETECTION);
+
+    try {
+      mapper.readTree(data.consumeRemainingAsBytes());
+    } catch (IOException ignored) {
+    }
+  }
+}
diff --git a/projects/jackson-core/build.sh b/projects/jackson-core/build.sh
new file mode 100644
index 000000000..4603810de
--- /dev/null
+++ b/projects/jackson-core/build.sh
@@ -0,0 +1,54 @@
+#!/bin/bash -eu
+# Copyright 2021 Google Inc.
+#
+# 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.
+#
+################################################################################
+
+MAVEN_ARGS="-P!java14+ -Dmaven.test.skip=true -Djavac.src.version=15 -Djavac.target.version=15"
+
+DEPENDENCIES="jackson-core jackson-databind jackson-annotations"
+for dependency in $DEPENDENCIES; do
+  cd $SRC/$dependency
+  mvn package $MAVEN_ARGS
+  current_version=$(mvn org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
+  -Dexpression=project.version -q -DforceStdout)
+  cp "target/$dependency-$current_version.jar" $OUT/$dependency.jar
+done
+
+ALL_JARS=$(echo $DEPENDENCIES | xargs printf -- "%s.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
diff --git a/projects/jackson-core/project.yaml b/projects/jackson-core/project.yaml
new file mode 100644
index 000000000..90c85c585
--- /dev/null
+++ b/projects/jackson-core/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://github.com/FasterXML/jackson-core"
+language: jvm
+primary_contact: "tatu@fasterxml.com"
+auto_ccs:
+  - "meumertzheim@code-intelligence.com"
+fuzzing_engines:
+  - libfuzzer
+main_repo: "https://github.com/FasterXML/jackson-core"
+sanitizers:
+  - address