Support SUSE Enterprise Linux (#487)

* Support SUSE Enterprise Linux

* Implement Reboot Required detection on SLES

* Fix query OVAL because SUSE provides OVAL data each major.minor version

* Update README

* Support SUSE Enterprise 11

scan/utils.go

@@ -0,0 +1,69 @@
+/* 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 (
+	"fmt"
+	"strings"
+
+	"github.com/future-architect/vuls/config"
+	"github.com/future-architect/vuls/models"
+	"github.com/future-architect/vuls/util"
+)
+
+func isRunningKernel(pack models.Package, family string, kernel models.Kernel) (isKernel, running bool) {
+	switch family {
+	case config.SUSEEnterpriseServer:
+		if pack.Name == "kernel-default" {
+			// Remove the last period and later because uname don't show that.
+			ss := strings.Split(pack.Release, ".")
+			rel := strings.Join(ss[0:len(ss)-1], ".")
+			ver := fmt.Sprintf("%s-%s-default", pack.Version, rel)
+			return true, kernel.Release == ver
+		}
+		return false, false
+
+	case config.RedHat, config.Oracle, config.CentOS, config.Amazon:
+		if pack.Name == "kernel" {
+			ver := fmt.Sprintf("%s-%s.%s", pack.Version, pack.Release, pack.Arch)
+			return true, kernel.Release == ver
+		}
+		return false, false
+
+	default:
+		util.Log.Warnf("Reboot required is not implemented yet: %s, %s", family, kernel)
+	}
+	return false, false
+}
+
+func rpmQa(distro config.Distro) string {
+	const old = "rpm -qa --queryformat '%{NAME} %{EPOCH} %{VERSION} %{RELEASE} %{ARCH}\n'"
+	const new = "rpm -qa --queryformat '%{NAME} %{EPOCHNUM} %{VERSION} %{RELEASE} %{ARCH}\n'"
+	switch distro.Family {
+	case config.SUSEEnterpriseServer:
+		if v, _ := distro.MajorVersion(); v < 12 {
+			return old
+		}
+		return new
+	default:
+		if v, _ := distro.MajorVersion(); v < 6 {
+			return old
+		}
+		return new
+	}
+}