Continue scanning even when some hosts have tech issues

see #264

scan/unknownDistro.go

@@ -0,0 +1,43 @@
+/* Vuls - Vulnerability Scanner
+Copyright (C) 2016  Future Architect, Inc. Japan.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package scan
+
+// inherit OsTypeInterface
+type unknown struct {
+	base
+}
+
+func (o *unknown) checkIfSudoNoPasswd() error {
+	return nil
+}
+
+func (o unknown) checkDependencies() error {
+	return nil
+}
+
+func (o *unknown) install() error {
+	return nil
+}
+
+func (o *unknown) checkRequiredPackagesInstalled() error {
+	return nil
+}
+
+func (o *unknown) scanPackages() error {
+	return nil
+}