bin/oss-fuzz-build.sh

   1 #!/usr/bin/env bash
   2
   3 set -e
   4
   5 if [ -z "${OUT}" ] || [ -z "${SRC}" ] || [ -z "${WORK}" ]; then
   6     echo "OUT, SRC or WORK not set - script expects to be called inside oss-fuzz build env"
   7     exit 1
   8 fi
   9
  10 echo start at `date -u`
  11
  12 #shuffle CXXFLAGS -stdlib=libc++ arg into CXX as well because we use
  13 #the CXX as the linker and need to pass -stdlib=libc++ to build
  14 export CXX="$CXX -stdlib=libc++ -fsanitize-blacklist=$SRC/libreoffice/bin/sanitize-excludelist.txt"
  15 export CC="$CC -fsanitize-blacklist=$SRC/libreoffice/bin/sanitize-excludelist.txt"
  16 #similarly force the -fsanitize etc args in as well as pthread to get
  17 #things to link successfully during the build
  18 export LDFLAGS="$CFLAGS -Wl,--compress-debug-sections,zlib -lpthread"
  19
  20 df -h $OUT $WORK
  21
  22 cd $WORK
  23 $SRC/libreoffice/autogen.sh --with-distro=LibreOfficeOssFuzz --with-external-tar=$SRC
  24
  25 make clean
  26
  27 #build-time rsc tool leaks a titch
  28 export ASAN_OPTIONS="detect_leaks=0"
  29
  30 make fuzzers
  31
  32 pushd instdir/program
  33 head -c -14 services.rdb  > templateservices.rdb
  34 tail -c +85 ./services/services.rdb >> templateservices.rdb
  35 for a in *fuzzer; do
  36     #some minimal fonts required
  37     mv $a $OUT
  38     mkdir -p $OUT/$a.fonts
  39     tar -x -C $OUT/$a.fonts --strip-components=1 --wildcards --no-anchored '*.ttf' -f $SRC/liberation-fonts-ttf*
  40     cp $SRC/*opens___.ttf $OUT/$a.fonts
  41     #minimal runtime requirements
  42     cp templateservices.rdb $OUT/$a.services.rdb
  43     cp types.rdb $OUT/$a.types.rdb
  44     cp types/offapi.rdb $OUT/$a.moretypes.rdb
  45     cat > $OUT/$a.unorc << EOF
  46 [Bootstrap]
  47 URE_INTERNAL_LIB_DIR=\${ORIGIN}
  48 UNO_TYPES=\${ORIGIN}/$a.types.rdb \${ORIGIN}/$a.moretypes.rdb
  49 UNO_SERVICES=\${ORIGIN}/$a.services.rdb
  50 EOF
  51 done
  52 popd
  53
  54 df -h $OUT $WORK
  55
  56 #starting corpuses
  57 for zip_file in $SRC/*_seed_corpus.zip; do
  58     cp $zip_file $OUT
  59 done
  60 #fuzzing dictionaries
  61 cp $SRC/*.dict $OUT
  62 #options files
  63 cp $SRC/libreoffice/vcl/workben/*.options $OUT
  64
  65 echo end at `date -u`