Exemple #1
0
func (e *clEngine) Compile(cvdDir string) error {
	e.mtx.Lock()
	defer e.mtx.Unlock()

	if e.IsCompiled() {
		return ErrAlreadyCompiled
	}

	// Create new engine
	e.engine = C.cl_engine_new()
	if e.engine == nil {
		return errors.New("failed to create new clamav engine")
	}

	// Load signatures
	var ret C.int
	var sigs C.uint = 0
	ret = C.cl_load(C.CString(cvdDir), e.engine, &sigs, C.CL_DB_STDOPT)
	if ret != C.CL_SUCCESS {
		return fmt.Errorf("could not load vcds: %s", C.GoString(C.cl_strerror(ret)))
	}

	// Compile engine
	ret = C.cl_engine_compile(e.engine)
	if ret != C.CL_SUCCESS {
		return fmt.Errorf("could not compile engine: %s", C.GoString(C.cl_strerror(ret)))
	}

	atomic.StoreInt32(&e.compiled, 1)

	return nil
}
Exemple #2
0
func (e *clEngine) Scan(file *os.File) error {
	e.mtx.Lock()
	defer e.mtx.Unlock()

	var ret C.int
	var fd C.int = C.int(file.Fd())
	var virname *C.char
	var size C.ulong = 0

	// Scan file
	var virName string
	ret = C.cl_scandesc(fd, &virname, &size, e.engine, C.CL_SCAN_STDOPT)
	if ret == C.CL_VIRUS {
		virName = C.GoString(virname)
	} else if ret == C.CL_CLEAN {
		// do nothing
	} else {
		return fmt.Errorf("error scanning file: %s", C.GoString(C.cl_strerror(ret)))
	}
	if len(virName) > 0 {
		return &VirusError{
			VirusName:    virName,
			BytesScanned: uint64(size * C.CL_COUNT_PRECISION),
		}
	}
	return nil
}
Exemple #3
0
func init() {
	// Prepare libclamav
	var ret C.int
	ret = C.cl_init(C.CL_INIT_DEFAULT)
	if ret != C.CL_SUCCESS {
		panic("cannot initialize clamav:" + C.GoString(C.cl_strerror(ret)))
	}
}
Exemple #4
0
// String converts the error code to human readable format
func (e ErrorCode) String() string {
	return C.GoString(C.cl_strerror(C.int(e)))
}
Exemple #5
0
// Strerror converts LibClam error codes to human readable format
func StrError(errno ErrorCode) string {
	return C.GoString(C.cl_strerror(C.int(errno)))
}