// setup clears out previous fuzzing sessions and builds the executable we need to run afl-fuzz.
// The binary is then copied to the working directory as "dm_afl_Release".
func setup() (string, error) {
if err := ClearBinaryGenerator(); err != nil {
return "", err
}
// build afl
if err := common.BuildAflDM("Release"); err != nil {
return "", fmt.Errorf("Failed to build dm using afl-fuzz %s", err)
}
// copy to working directory
executable := filepath.Join(config.Generator.WorkingPath, common.TEST_HARNESS_NAME+"_afl_Release")
if err := fileutil.CopyExecutable(filepath.Join(config.Generator.SkiaRoot, "out", "Release", common.TEST_HARNESS_NAME), executable); err != nil {
return "", err
}
return executable, nil
}
// analyzeSkp is an analysisPackage for analyzing skp files.
// Setup cleans out the work space, makes a copy of the Debug and Release parseskp executable.
// Analyze simply invokes performBinaryAnalysis using parse_skp on the files that are passed in.
var analyzeSkp = AnalysisPackage{
Setup: func(workingDirPath string) error {
// Delete all previous binaries to get a clean start
if err := os.RemoveAll(workingDirPath); err != nil && !os.IsNotExist(err) {
return err
}
if err := os.MkdirAll(workingDirPath, 0755); err != nil {
return err
}
// make a copy of the debug and release executables
basePath := filepath.Join(config.Generator.SkiaRoot, "out")
if err := fileutil.CopyExecutable(filepath.Join(basePath, "Debug", common.TEST_HARNESS_NAME), filepath.Join(workingDirPath, common.TEST_HARNESS_NAME+"_debug")); err != nil {
return err
}
if err := fileutil.CopyExecutable(filepath.Join(basePath, "Release", common.TEST_HARNESS_NAME), filepath.Join(workingDirPath, common.TEST_HARNESS_NAME+"_release")); err != nil {
return err
}
return nil
},
Analyze: func(workingDirPath, skpFileName string) (uploadPackage, error) {
upload := uploadPackage{
Name: skpFileName,
FileType: "skp",
FuzzType: BAD_FUZZ,
FilePath: filepath.Join(config.Aggregator.BinaryFuzzPath, skpFileName),
}