[golang-protobuf] Add Dockerfile and build.sh. (#2942)

projects/golang-protobuf/Dockerfile

@@ -0,0 +1,26 @@
+# Copyright 2019 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER dneil@google.com
+
+ENV GO111MODULE="on"
+ENV GOFUZZ111MODULE="on"
+
+RUN go get google.golang.org/protobuf/proto
+RUN git clone https://go.googlesource.com/protobuf $SRC/protobuf
+COPY build.sh $SRC/
+WORKDIR $SRC/protobuf

projects/golang-protobuf/build.sh

@@ -0,0 +1,17 @@
+function compile_fuzzer {
+  path=$1
+  function=$2
+  fuzzer=$3
+
+   # Instrument all Go files relevant to this fuzzer
+  go-fuzz-build -libfuzzer -func $function -o $fuzzer.a $path
+
+   # Instrumented, compiled Go ($fuzzer.a) + fuzzing engine = fuzzer binary
+  $CXX $CXXFLAGS $LIB_FUZZING_ENGINE $fuzzer.a -lpthread -o $OUT/$fuzzer
+}
+
+for x in internal/fuzz/*; do
+  if [ -d $x ]; then
+    compile_fuzzer ./$x Fuzz $(basename $x)_fuzzer
+  fi
+done