mirror of https://github.com/google/oss-fuzz.git
127 lines
3.6 KiB
Bash
Executable File
127 lines
3.6 KiB
Bash
Executable File
#!/bin/bash -eu
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# Copyright 2019 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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# Case-sensitive names of internal Firefox fuzzing targets. Edit to add more.
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FUZZ_TARGETS=(
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# WebRTC
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SdpParser
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StunParser
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# IPC
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ContentParentIPC
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CompositorManagerParentIPC
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ContentSecurityPolicyParser
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FeaturePolicyParser
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# Image
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ImageGIF
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ImageICO
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ImageBMP
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# Demuxing
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MediaADTS
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MediaFlac
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MediaMP3
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MediaOgg
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MediaWebM
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# MediaWAV disabled due to frequent OOMs
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)
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# Firefox object (build) directory and configuration file.
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export MOZ_OBJDIR=$WORK/obj-fuzz
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export MOZCONFIG=$SRC/mozconfig.$SANITIZER
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# Install remaining dependencies.
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export SHELL=/bin/bash
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./mach bootstrap --no-interactive --application-choice browser
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# Skip patches for now
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rm tools/fuzzing/libfuzzer/patches/*.patch
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touch tools/fuzzing/libfuzzer/patches/dummy.patch
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# Update internal libFuzzer.
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(cd tools/fuzzing/libfuzzer && ./clone_libfuzzer.sh HEAD)
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# Build!
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./mach build
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./mach gtest buildbutdontrun
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# Packages Firefox only to immediately extract the archive. Some files are
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# replaced with gtest-variants, which is required by the fuzzing interface.
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# Weighs in shy of 1GB afterwards. About double for coverage builds.
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./mach package
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tar -xf $MOZ_OBJDIR/dist/firefox*bz2 -C $OUT
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cp -L $MOZ_OBJDIR/dist/bin/gtest/libxul.so $OUT/firefox
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cp $OUT/firefox/dependentlibs.list $OUT/firefox/dependentlibs.list.gtest
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# Get absolute paths of the required system libraries.
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LIBRARIES=$({
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xargs -I{} ldd $OUT/firefox/{} | gawk '/=> [/]/ {print $3}' | sort -u
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} < $OUT/firefox/dependentlibs.list)
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# Copy libraries. Less than 50MB total.
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mkdir -p $OUT/lib
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for LIBRARY in $LIBRARIES; do cp -L $LIBRARY $OUT/lib; done
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# Build a wrapper binary for each target to set environment variables.
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for FUZZ_TARGET in ${FUZZ_TARGETS[@]}
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do
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$CC $CFLAGS -O0 \
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-DFUZZ_TARGET=$FUZZ_TARGET \
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$SRC/target.c -o $OUT/$FUZZ_TARGET
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done
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cp $SRC/*.options $OUT
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# SdpParser
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find media/webrtc -iname "*.sdp" \
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-type f -exec zip -qu $OUT/SdpParser_seed_corpus.zip "{}" \;
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cp $SRC/fuzzdata/dicts/sdp.dict $OUT/SdpParser.dict
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# StunParser
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find media/webrtc -iname "*.stun" \
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-type f -exec zip -qu $OUT/StunParser_seed_corpus.zip "{}" \;
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cp $SRC/fuzzdata/dicts/stun.dict $OUT/StunParser.dict
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# ContentParentIPC
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cp $SRC/fuzzdata/settings/ipc/libfuzzer.content.blacklist.txt $OUT/firefox
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# ImageGIF
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zip -rj $OUT/ImageGIF_seed_corpus.zip $SRC/fuzzdata/samples/gif
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cp $SRC/fuzzdata/dicts/gif.dict $OUT/ImageGIF.dict
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# ImageICO
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zip -rj $OUT/ImageICO_seed_corpus.zip $SRC/fuzzdata/samples/ico
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# ImageBMP
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zip -rj $OUT/ImageBMP_seed_corpus.zip $SRC/fuzzdata/samples/bmp
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# MediaADTS
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zip -rj $OUT/MediaADTS_seed_corpus.zip $SRC/fuzzdata/samples/aac
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# MediaFlac
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zip -rj $OUT/MediaFlac_seed_corpus.zip $SRC/fuzzdata/samples/flac
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# MediaMP3
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zip -rj $OUT/MediaMP3_seed_corpus.zip $SRC/fuzzdata/samples/mp3
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# MediaOgg
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zip -rj $OUT/MediaOgg_seed_corpus.zip $SRC/fuzzdata/samples/ogg
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# MediaWebM
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zip -rj $OUT/MediaWebM_seed_corpus.zip $SRC/fuzzdata/samples/webm
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# MediaWAV
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# zip -rj $OUT/MediaWAV_seed_corpus.zip $SRC/fuzzdata/samples/wav
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