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 print_stamp()
  11 {
  12     local do_df="$1"; shift
  13     echo "[[" `date -u` "]]" "build -" "$@"
  14     if [ "$do_df" != "0" ]; then
  15         df -h $OUT $WORK
  16     fi
  17 }
  18
  19 print_stamp 1 start
  20 echo git: `git -C $SRC/libreoffice log -1 --pretty=reference`
  21
  22 #shuffle CXXFLAGS -stdlib=libc++ arg into CXX as well because we use
  23 #the CXX as the linker and need to pass -stdlib=libc++ to build
  24 export CXX="$CXX -stdlib=libc++ -fsanitize-blacklist=$SRC/libreoffice/bin/sanitize-excludelist.txt"
  25 export CXX_FOR_BUILD="$CXX"
  26 export CC="$CC -fsanitize-blacklist=$SRC/libreoffice/bin/sanitize-excludelist.txt"
  27 export CC_FOR_BUILD="$CC"
  28 #similarly force the -fsanitize etc args in as well as pthread to get
  29 #things to link successfully during the build
  30 export LDFLAGS="$CFLAGS -Wl,--compress-debug-sections,zlib -lpthread"
  31 #build-time concat-deps tool leaks a titch
  32 export ASAN_OPTIONS="detect_leaks=0"
  33
  34 cd $WORK
  35 if [ -f Makefile ]; then
  36     print_stamp 0 clean
  37     make clean
  38 fi
  39
  40 print_stamp 0 autogen.sh
  41 $SRC/libreoffice/autogen.sh --with-distro=LibreOfficeOssFuzz --with-external-tar=$SRC/external-tar
  42
  43 print_stamp 1 make
  44 make
  45
  46 print_stamp 1 prepare '$OUT'
  47
  48 pushd instdir/program
  49 # skip last 14 bytes of 1st, and first 85 of 2nd to just skip the
  50 # xml tags to merge these into a single xml file
  51 head -c -14 services.rdb  > templateservices.rdb
  52 tail -c +85 ./services/services.rdb >> templateservices.rdb
  53 for a in *fuzzer; do
  54     #some minimal fonts required
  55     mv $a $OUT
  56     mkdir -p $OUT/$a.fonts
  57     tar -x -C $OUT/$a.fonts --strip-components=1 --wildcards --no-anchored '*.ttf' -f $SRC/external-tar/liberation-fonts-ttf*
  58     cp $SRC/external-tar/*opens___.ttf $OUT/$a.fonts
  59     #minimal runtime requirements
  60     cp templateservices.rdb $OUT/$a.services.rdb
  61     cp types.rdb $OUT/$a.types.rdb
  62     cp types/offapi.rdb $OUT/$a.moretypes.rdb
  63     cat > $OUT/$a.unorc << EOF
  64 [Bootstrap]
  65 URE_INTERNAL_LIB_DIR=\${ORIGIN}
  66 UNO_TYPES=\${ORIGIN}/$a.types.rdb \${ORIGIN}/$a.moretypes.rdb
  67 UNO_SERVICES=\${ORIGIN}/$a.services.rdb
  68 EOF
  69 done
  70 popd
  71
  72 #starting corpuses
  73 for zip_file in $SRC/*_seed_corpus.zip; do
  74     cp $zip_file $OUT
  75 done
  76
  77 #fuzzing dictionaries
  78 cp $SRC/*.dict $OUT
  79
  80 #options files
  81 cp $SRC/libreoffice/vcl/workben/*.options $OUT
  82
  83 print_stamp 1 end