/
redhat.go
55 lines (47 loc) · 1.55 KB
/
redhat.go
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package redhat
import (
"strings"
"github.com/knqyf263/fanal/analyzer"
version "github.com/knqyf263/go-rpm-version"
"github.com/knqyf263/trivy/pkg/log"
"github.com/knqyf263/trivy/pkg/scanner/utils"
"github.com/knqyf263/trivy/pkg/vulnsrc/redhat"
"github.com/knqyf263/trivy/pkg/vulnsrc/vulnerability"
"golang.org/x/xerrors"
)
type Scanner struct{}
func NewScanner() *Scanner {
return &Scanner{}
}
func (s *Scanner) Detect(osVer string, pkgs []analyzer.Package) ([]vulnerability.DetectedVulnerability, error) {
log.Logger.Info("Detecting RHEL/CentOS vulnerabilities...")
if strings.Count(osVer, ".") > 0 {
osVer = osVer[:strings.Index(osVer, ".")]
}
log.Logger.Debugf("redhat: os version: %s", osVer)
log.Logger.Debugf("redhat: the number of packages: %d", len(pkgs))
var vulns []vulnerability.DetectedVulnerability
for _, pkg := range pkgs {
advisories, err := redhat.Get(osVer, pkg.SrcName)
if err != nil {
return nil, xerrors.Errorf("failed to get Red Hat advisories: %w", err)
}
installed := utils.FormatSrcVersion(pkg)
installedVersion := version.NewVersion(installed)
for _, adv := range advisories {
fixedVersion := version.NewVersion(adv.FixedVersion)
vuln := vulnerability.DetectedVulnerability{
VulnerabilityID: adv.VulnerabilityID,
PkgName: pkg.Name,
InstalledVersion: installed,
}
if installedVersion.LessThan(fixedVersion) {
vuln.FixedVersion = adv.FixedVersion
vulns = append(vulns, vuln)
} else if adv.FixedVersion == "" {
vulns = append(vulns, vuln)
}
}
}
return vulns, nil
}