| #!/bin/bash -eu |
| # 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. |
| # |
| ################################################################################ |
| |
| # Instrument mruby |
| ( |
| cd $SRC/mruby |
| export LD=clang |
| export LDFLAGS="$CFLAGS" |
| ./minirake clean && ./minirake -j$(nproc) all |
| |
| # build fuzzers |
| FUZZ_TARGET=$SRC/mruby/oss-fuzz/mruby_fuzzer.c |
| name=$(basename $FUZZ_TARGET .c) |
| $CC -c $CFLAGS -Iinclude \ |
| ${FUZZ_TARGET} -o $OUT/${name}.o |
| $CXX $CXXFLAGS $OUT/${name}.o $LIB_FUZZING_ENGINE -lm \ |
| $SRC/mruby/build/host/lib/libmruby.a -o $OUT/${name} |
| rm -f $OUT/${name}.o |
| ) |
| |
| # Build proto fuzzer: ASan and UBSan |
| if [[ $CFLAGS != *sanitize=memory* ]]; then |
| PROTO_FUZZ_TARGET=$SRC/mruby/oss-fuzz/mruby_proto_fuzzer.cpp |
| PROTO_CONVERTER=$SRC/mruby/oss-fuzz/proto_to_ruby.cpp |
| rm -rf genfiles |
| mkdir genfiles |
| LPM/external.protobuf/bin/protoc --proto_path=mruby/oss-fuzz ruby.proto --cpp_out=genfiles |
| $CXX $CXXFLAGS $PROTO_FUZZ_TARGET genfiles/ruby.pb.cc $PROTO_CONVERTER \ |
| -I genfiles -I mruby/oss-fuzz -I libprotobuf-mutator/ -I . \ |
| -I LPM/external.protobuf/include \ |
| -I mruby/include -lz -lm \ |
| LPM/src/libfuzzer/libprotobuf-mutator-libfuzzer.a \ |
| LPM/src/libprotobuf-mutator.a \ |
| LPM/external.protobuf/lib/libprotobuf.a \ |
| mruby/build/host/lib/libmruby.a \ |
| $LIB_FUZZING_ENGINE \ |
| -o $OUT/mruby_proto_fuzzer |
| |
| # Copy config |
| cp $SRC/mruby/oss-fuzz/config/mruby_proto_fuzzer.options $OUT |
| fi |
| |
| # dict and config |
| cp $SRC/mruby/oss-fuzz/config/mruby.dict $OUT |
| cp $SRC/mruby/oss-fuzz/config/mruby_fuzzer.options $OUT |
| |
| # seeds |
| zip -rq $OUT/mruby_fuzzer_seed_corpus $SRC/mruby_seeds |