/
linux.go
134 lines (112 loc) · 3.32 KB
/
linux.go
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/* 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"
"sort"
"github.com/Sirupsen/logrus"
"github.com/future-architect/vuls/config"
"github.com/future-architect/vuls/cveapi"
"github.com/future-architect/vuls/models"
)
type linux struct {
ServerInfo config.ServerInfo
Family string
Release string
osPackages
log *logrus.Entry
}
func (l *linux) ssh(cmd string, sudo bool) sshResult {
return sshExec(l.ServerInfo, cmd, sudo, l.log)
}
func (l *linux) setServerInfo(c config.ServerInfo) {
l.ServerInfo = c
}
func (l *linux) getServerInfo() config.ServerInfo {
return l.ServerInfo
}
func (l *linux) setDistributionInfo(fam, rel string) {
l.Family = fam
l.Release = rel
}
func (l *linux) getDistributionInfo() string {
return fmt.Sprintf("%s %s", l.Family, l.Release)
}
func (l *linux) convertToModel() (models.ScanResult, error) {
var cves, unknownScoreCves []models.CveInfo
for _, p := range l.UnsecurePackages {
if p.CveDetail.CvssScore(config.Conf.Lang) < 0 {
unknownScoreCves = append(unknownScoreCves, models.CveInfo{
CveDetail: p.CveDetail,
Packages: p.Packs,
DistroAdvisories: p.DistroAdvisories, // only Amazon Linux
})
continue
}
cpenames := []models.CpeName{}
for _, cpename := range p.CpeNames {
cpenames = append(cpenames,
models.CpeName{Name: cpename})
}
cve := models.CveInfo{
CveDetail: p.CveDetail,
Packages: p.Packs,
DistroAdvisories: p.DistroAdvisories, // only Amazon Linux
CpeNames: cpenames,
}
cves = append(cves, cve)
}
return models.ScanResult{
ServerName: l.ServerInfo.ServerName,
Family: l.Family,
Release: l.Release,
KnownCves: cves,
UnknownCves: unknownScoreCves,
}, nil
}
// scanVulnByCpeName search vulnerabilities that specified in config file.
func (l *linux) scanVulnByCpeName() error {
unsecurePacks := CvePacksList{}
serverInfo := l.getServerInfo()
cpeNames := serverInfo.CpeNames
// remove duplicate
set := map[string]CvePacksInfo{}
for _, name := range cpeNames {
details, err := cveapi.CveClient.FetchCveDetailsByCpeName(name)
if err != nil {
return err
}
for _, detail := range details {
if val, ok := set[detail.CveID]; ok {
names := val.CpeNames
names = append(names, name)
val.CpeNames = names
set[detail.CveID] = val
} else {
set[detail.CveID] = CvePacksInfo{
CveID: detail.CveID,
CveDetail: detail,
CpeNames: []string{name},
}
}
}
}
for key := range set {
unsecurePacks = append(unsecurePacks, set[key])
}
unsecurePacks = append(unsecurePacks, l.UnsecurePackages...)
sort.Sort(CvePacksList(unsecurePacks))
l.setUnsecurePackages(unsecurePacks)
return nil
}