Add pseudo server type for non-ssh scanning (only cpe scan) #512 (#531)

* Add pseudo server type for non-ssh scanning (only cpe scan) #512

* Don't check hostname for pseudo type

* Update README.md

scan/pseudo.go

@@ -0,0 +1,66 @@
+/* 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
+
+import (
+	"github.com/future-architect/vuls/config"
+	"github.com/future-architect/vuls/models"
+	"github.com/future-architect/vuls/util"
+)
+
+// inherit OsTypeInterface
+type pseudo struct {
+	base
+}
+
+func detectPseudo(c config.ServerInfo) (itsMe bool, pseudo osTypeInterface, err error) {
+	p := newPseudo(c)
+	p.setDistro(config.ServerTypePseudo, "")
+	return c.Type == config.ServerTypePseudo, p, nil
+}
+
+func newPseudo(c config.ServerInfo) *pseudo {
+	d := &pseudo{
+		base: base{
+			osPackages: osPackages{
+				Packages:  models.Packages{},
+				VulnInfos: models.VulnInfos{},
+			},
+		},
+	}
+	d.log = util.NewCustomLogger(c)
+	d.setServerInfo(c)
+	return d
+}
+
+func (o *pseudo) checkIfSudoNoPasswd() error {
+	return nil
+}
+
+func (o *pseudo) checkDependencies() error {
+	return nil
+}
+
+func (o *pseudo) scanPackages() error {
+	return nil
+}
+
+func (o *pseudo) detectPlatform() {
+	o.setPlatform(models.Platform{Name: "other"})
+	return
+}