Add option for it get cve detail from cve.sqlite3.

It is an error in go-cve-dictionary API when result of scan is many.

config/config.go

@@ -46,6 +46,7 @@ type Config struct {
 
 	HTTPProxy string `valid:"url"`
 	DBPath    string
+	CveDBPath string
 	//  CpeNames      []string
 	//  SummaryMode          bool
 	UseYumPluginSecurity  bool
@@ -63,6 +64,13 @@ func (c Config) Validate() bool {
 		}
 	}
 
+	if len(c.CveDBPath) != 0 {
+		if ok, _ := valid.IsFilePath(c.CveDBPath); !ok {
+			errs = append(errs, fmt.Errorf(
+				"SQLite3 DB(Cve Doctionary) path must be a *Absolute* file path. dbpath: %s", c.CveDBPath))
+		}
+	}
+
 	_, err := valid.ValidateStruct(c)
 	if err != nil {
 		errs = append(errs, err)