Esempio n. 1
0
func (s *SandboxDecoder) Init(config interface{}) (err error) {
	s.sbc = config.(*SandboxConfig)
	s.sbc.ScriptFilename = pipeline.PrependShareDir(s.sbc.ScriptFilename)

	s.tz = time.UTC
	if tz, ok := s.sbc.Config["tz"]; ok {
		s.tz, err = time.LoadLocation(tz.(string))
		if err != nil {
			return
		}
	}

	data_dir := pipeline.PrependBaseDir(DATA_DIR)
	if !fileExists(data_dir) {
		err = os.MkdirAll(data_dir, 0700)
		if err != nil {
			return
		}
	}

	switch s.sbc.ScriptType {
	case "lua":
	default:
		return fmt.Errorf("unsupported script type: %s", s.sbc.ScriptType)
	}

	s.sample = true
	return
}
Esempio n. 2
0
// Determines the script type and creates interpreter
func (this *SandboxFilter) Init(config interface{}) (err error) {
	if this.sb != nil {
		return nil // no-op already initialized
	}
	this.sbc = config.(*SandboxConfig)
	this.sbc.ScriptFilename = pipeline.PrependShareDir(this.sbc.ScriptFilename)

	data_dir := pipeline.PrependBaseDir(DATA_DIR)
	if !fileExists(data_dir) {
		err = os.MkdirAll(data_dir, 0700)
		if err != nil {
			return
		}
	}

	switch this.sbc.ScriptType {
	case "lua":
		this.sb, err = lua.CreateLuaSandbox(this.sbc)
		if err != nil {
			return
		}
	default:
		return fmt.Errorf("unsupported script type: %s", this.sbc.ScriptType)
	}

	this.preservationFile = filepath.Join(data_dir, this.name+DATA_EXT)
	if this.sbc.PreserveData && fileExists(this.preservationFile) {
		err = this.sb.Init(this.preservationFile, "filter")
	} else {
		err = this.sb.Init("", "filter")
	}

	return
}
Esempio n. 3
0
func (s *SandboxEncoder) Init(config interface{}) (err error) {
	conf := config.(*SandboxEncoderConfig)
	s.sbc = &sandbox.SandboxConfig{
		ScriptType:       conf.ScriptType,
		ScriptFilename:   conf.ScriptFilename,
		ModuleDirectory:  conf.ModuleDirectory,
		PreserveData:     conf.PreserveData,
		MemoryLimit:      conf.MemoryLimit,
		InstructionLimit: conf.InstructionLimit,
		OutputLimit:      conf.OutputLimit,
		Profile:          conf.Profile,
		Config:           conf.Config,
	}
	s.sbc.ScriptFilename = pipeline.PrependShareDir(s.sbc.ScriptFilename)
	s.sampleDenominator = pipeline.Globals().SampleDenominator

	s.tz = time.UTC
	if tz, ok := s.sbc.Config["tz"]; ok {
		if s.tz, err = time.LoadLocation(tz.(string)); err != nil {
			return
		}
	}

	dataDir := pipeline.PrependBaseDir(sandbox.DATA_DIR)
	if !fileExists(dataDir) {
		if err = os.MkdirAll(dataDir, 0700); err != nil {
			return
		}
	}

	switch s.sbc.ScriptType {
	case "lua":
		s.sb, err = lua.CreateLuaSandbox(s.sbc)
	default:
		return fmt.Errorf("Unsupported script type: %s", s.sbc.ScriptType)
	}

	if err != nil {
		return fmt.Errorf("Sandbox creation failed: '%s'", err)
	}

	s.preservationFile = filepath.Join(dataDir, s.name+sandbox.DATA_EXT)
	if s.sbc.PreserveData && fileExists(s.preservationFile) {
		err = s.sb.Init(s.preservationFile, "encoder")
	} else {
		err = s.sb.Init("", "encoder")
	}
	if err != nil {
		return fmt.Errorf("Sandbox initialization failed: %s", err)
	}

	s.sb.InjectMessage(func(payload, payload_type, payload_name string) int {
		s.injected = true
		s.output = []byte(payload)
		return 0
	})
	s.sample = true
	s.cEncoder = client.NewProtobufEncoder(nil)
	return
}
Esempio n. 4
0
func NewSandboxConfig() interface{} {
	return &SandboxConfig{
		ModuleDirectory:  pipeline.PrependShareDir("lua_modules"),
		MemoryLimit:      8 * 1024 * 1024,
		InstructionLimit: 1e6,
		OutputLimit:      63 * 1024,
	}
}
Esempio n. 5
0
func (s *SandboxEncoder) ConfigStruct() interface{} {
	return &SandboxEncoderConfig{
		ModuleDirectory:  pipeline.PrependShareDir("lua_modules"),
		MemoryLimit:      8 * 1024 * 1024,
		InstructionLimit: 1e6,
		OutputLimit:      63 * 1024,
		ScriptType:       "lua",
	}
}
// Creates the working directory to store the submitted scripts,
// configurations, and data preservation files.
func (this *SandboxManagerFilter) Init(config interface{}) (err error) {
	conf := config.(*SandboxManagerFilterConfig)
	this.maxFilters = conf.MaxFilters
	this.workingDirectory = pipeline.PrependBaseDir(conf.WorkingDirectory)
	this.moduleDirectory = pipeline.PrependShareDir(conf.ModuleDirectory)
	this.memoryLimit = conf.MemoryLimit
	this.instructionLimit = conf.InstructionLimit
	this.outputLimit = conf.OutputLimit
	err = os.MkdirAll(this.workingDirectory, 0700)
	return
}