json5format initial integration (#5354)

* json5format initial integration

* Updated the dockerfile for json5format.

projects/json5format/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 git clone --depth 1 https://github.com/google/json5format
+WORKDIR $SRC
+
+COPY build.sh $SRC/
+COPY fuzz $SRC/json5format/fuzz

projects/json5format/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.
+#
+################################################################################
+
+cd $SRC/json5format
+cargo fuzz build -O
+ls -la ./fuzz
+ls -la ./fuzz/target
+cp ./fuzz/target/x86_64-unknown-linux-gnu/release/fuzz_parse $OUT/fuzz_parse

projects/json5format/fuzz/.gitignore

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+
+target
+corpus
+artifacts

projects/json5format/fuzz/Cargo.toml

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+
+[package]
+name = "json5format-fuzz"
+version = "0.0.0"
+authors = ["David Korczynski <david@adalogics.com>"]
+publish = false
+edition = "2018"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.3"
+
+[dependencies.json5format]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "fuzz_parse"
+path = "fuzz_targets/fuzz_parse.rs"

projects/json5format/fuzz/fuzz_targets/fuzz_parse.rs

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+#![no_main]
+use libfuzzer_sys::fuzz_target;
+use json5format::*;
+use std::str;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(utf8) = str::from_utf8(data) {
+        ParsedDocument::from_str(utf8, None);
+    }
+});

projects/json5format/project.yaml

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+homepage: "https://crates.io/crates/json5format"
+main_repo: "https://github.com/google/json5format"
+primary_contact: "richkadel@google.com"
+sanitizers:
+  - address
+fuzzing_engines:
+  - libfuzzer
+language: rust
+auto_ccs:
+  - "david@adalogics.com"