ijson: initial integration (#9113)

Signed-off-by: David Korczynski <david@adalogics.com>

Signed-off-by: David Korczynski <david@adalogics.com>

projects/ijson/Dockerfile

@@ -0,0 +1,19 @@
+#!/usr/bin/python3
+# Copyright 2022 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-python
+RUN git clone https://github.com/ICRAR/ijson ijson
+RUN python3 -m pip install --upgrade pip && pip install pysecsan
+COPY *.sh *py $SRC/
+WORKDIR $SRC/ijson

projects/ijson/build.sh

@@ -0,0 +1,22 @@
+#!/bin/bash -eu
+# Copyright 2022 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.
+#
+################################################################################
+pip3 install .
+
+# Build fuzzers in $OUT.
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  compile_python_fuzzer $fuzzer
+done

projects/ijson/fuzz_parser.py

@@ -0,0 +1,45 @@
+#!/usr/bin/python3
+# Copyright 2022 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 io
+import sys
+import json
+import ijson
+import atheris
+
+import pysecsan
+pysecsan.add_hooks()
+
+
+def TestOneInput(data):
+  try:
+    parse_items = ijson.parse(io.BytesIO(data))
+    for obj in ijson.items(parse_items, 'item'):
+      pass
+  except (
+    ijson.common.JSONError,
+    json.JSONDecodeError
+  ):
+    pass
+
+
+def main():
+  atheris.instrument_all()
+  atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+  atheris.Fuzz()
+
+
+if __name__ == "__main__":
+  main()

projects/ijson/project.yaml

@@ -0,0 +1,10 @@
+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/ICRAR/ijson
+language: python
+main_repo: https://github.com/ICRAR/ijson
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com