Cosmin Truta cd5e582fd6 Revert "oss-fuzz: Transfer to an external repo and remove from this repo"
This reverts commit b7276eca0182bb6ad174ef044bb5f6f0504451af.

Although the brand new pngfuzz repo is coming up next, it turned out
that the deletion of contrib/oss-fuzz/ from the 'libpng16' branch was
premature. (Oopsie!)

Signed-off-by: Cosmin Truta <ctruta@gmail.com>
2024-09-19 21:26:25 +03:00

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#!/usr/bin/env bash
set -eu
# Copyright 2024 Cosmin Truta
# 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.
#
################################################################################
# Disable logging via library build configuration control.
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 >scripts/pnglibconf.dfa.tmp
mv -f scripts/pnglibconf.dfa.tmp scripts/pnglibconf.dfa
# Build the libpng library ("libpng16.la"), excluding the auxiliary tools.
autoreconf -f -i
./configure --with-libpng-prefix=OSS_FUZZ_
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/