| #!/bin/bash -eu |
| # Copyright 2017 Glenn Randers-Pehrson |
| # Copyright 2016 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. |
| # |
| # Last changed in libpng 1.6.33 [September 28, 2017] |
| # |
| # Revisions by Glenn Randers-Pehson, 2017: |
| # 1. Build only the library, not the tools (changed "make -j$(nproc) all" to |
| # "make -j$(nproc) libpng16.la"). |
| # 2. Disabled WARNING and WRITE options in pnglibconf.dfa. |
| ################################################################################ |
| |
| # Disable logging via library build configuration control. |
| cat scripts/pnglibconf.dfa | \ |
| sed -e "s/option STDIO/option STDIO disabled/" \ |
| -e "s/option WARNING /option WARNING disabled/" \ |
| -e "s/option WRITE enables WRITE_INT_FUNCTIONS/option WRITE disabled/" \ |
| > scripts/pnglibconf.dfa.temp |
| mv scripts/pnglibconf.dfa.temp scripts/pnglibconf.dfa |
| |
| # build the library. |
| autoreconf -f -i |
| ./configure |
| make -j$(nproc) clean |
| make -j$(nproc) libpng16.la |
| |
| # build libpng_read_fuzzer. |
| $CXX $CXXFLAGS -std=c++11 -I. \ |
| $SRC/libpng/contrib/oss-fuzz/libpng_read_fuzzer.cc \ |
| -o $OUT/libpng_read_fuzzer \ |
| -lFuzzingEngine .libs/libpng16.a -lz |
| |
| # add seed corpus. |
| find $SRC/libpng -name "*.png" | grep -v crashers | \ |
| xargs zip $OUT/libpng_read_fuzzer_seed_corpus.zip |
| |
| cp $SRC/libpng/contrib/oss-fuzz/*.dict \ |
| $SRC/libpng/contrib/oss-fuzz/*.options $OUT/ |