feat(vex): support non-root components for products in OpenVEX

integration/testdata/conda-spdx.json.golden

@@ -14,7 +14,7 @@
   "packages": [
     {
       "name": "openssl",
-      "SPDXID": "SPDXRef-Package-32b6b37a6fa2e57f",
+      "SPDXID": "SPDXRef-Package-22a178da112ac20a",
       "versionInfo": "1.1.1q",
       "supplier": "NOASSERTION",
       "downloadLocation": "NONE",
@@ -38,7 +38,7 @@
     },
     {
       "name": "pip",
-      "SPDXID": "SPDXRef-Package-e260029d0b6fd07b",
+      "SPDXID": "SPDXRef-Package-c22b9ee9a601ba6",
       "versionInfo": "22.2.2",
       "supplier": "NOASSERTION",
       "downloadLocation": "NONE",
@@ -103,21 +103,21 @@
     },
     {
       "spdxElementId": "SPDXRef-Filesystem-2e2426fd0f2580ef",
-      "relatedSpdxElement": "SPDXRef-Package-32b6b37a6fa2e57f",
+      "relatedSpdxElement": "SPDXRef-Package-22a178da112ac20a",
       "relationshipType": "CONTAINS"
     },
     {
       "spdxElementId": "SPDXRef-Filesystem-2e2426fd0f2580ef",
-      "relatedSpdxElement": "SPDXRef-Package-e260029d0b6fd07b",
+      "relatedSpdxElement": "SPDXRef-Package-c22b9ee9a601ba6",
       "relationshipType": "CONTAINS"
     },
     {
-      "spdxElementId": "SPDXRef-Package-32b6b37a6fa2e57f",
+      "spdxElementId": "SPDXRef-Package-22a178da112ac20a",
       "relatedSpdxElement": "SPDXRef-File-600e5e0110a84891",
       "relationshipType": "CONTAINS"
     },
     {
-      "spdxElementId": "SPDXRef-Package-e260029d0b6fd07b",
+      "spdxElementId": "SPDXRef-Package-c22b9ee9a601ba6",
       "relatedSpdxElement": "SPDXRef-File-7eb62e2a3edddc0a",
       "relationshipType": "CONTAINS"
     }

integration/testdata/julia-spdx.json.golden

@@ -25,7 +25,7 @@
     },
     {
       "name": "A",
-      "SPDXID": "SPDXRef-Package-2a46714189f3b9de",
+      "SPDXID": "SPDXRef-Package-7784b00da0cb0cb0",
       "versionInfo": "1.9.0",
       "supplier": "NOASSERTION",
       "downloadLocation": "NONE",
@@ -48,7 +48,7 @@
     },
     {
       "name": "B",
-      "SPDXID": "SPDXRef-Package-4a8e351c4c9b7318",
+      "SPDXID": "SPDXRef-Package-960543ac5c5f7e10",
       "versionInfo": "1.9.0",
       "supplier": "NOASSERTION",
       "downloadLocation": "NONE",
@@ -60,18 +60,18 @@
         {
           "referenceCategory": "PACKAGE-MANAGER",
           "referenceType": "purl",
-          "referenceLocator": "pkg:julia/B@1.9.0?uuid=edca9bc6-334e-11e9-3554-9595dbb4349c"
+          "referenceLocator": "pkg:julia/B@1.9.0?uuid=f41f7b98-334e-11e9-1257-49272045fb24"
         }
       ],
       "attributionTexts": [
-        "PkgID: edca9bc6-334e-11e9-3554-9595dbb4349c",
+        "PkgID: f41f7b98-334e-11e9-1257-49272045fb24",
         "PkgType: julia"
       ],
       "primaryPackagePurpose": "LIBRARY"
     },
     {
       "name": "B",
-      "SPDXID": "SPDXRef-Package-d10d5e4a30a43fff",
+      "SPDXID": "SPDXRef-Package-a4705eb108e4f15c",
       "versionInfo": "1.9.0",
       "supplier": "NOASSERTION",
       "downloadLocation": "NONE",
@@ -83,11 +83,11 @@
         {
           "referenceCategory": "PACKAGE-MANAGER",
           "referenceType": "purl",
-          "referenceLocator": "pkg:julia/B@1.9.0?uuid=f41f7b98-334e-11e9-1257-49272045fb24"
+          "referenceLocator": "pkg:julia/B@1.9.0?uuid=edca9bc6-334e-11e9-3554-9595dbb4349c"
         }
       ],
       "attributionTexts": [
-        "PkgID: f41f7b98-334e-11e9-1257-49272045fb24",
+        "PkgID: edca9bc6-334e-11e9-3554-9595dbb4349c",
         "PkgType: julia"
       ],
       "primaryPackagePurpose": "LIBRARY"
@@ -106,17 +106,17 @@
   "relationships": [
     {
       "spdxElementId": "SPDXRef-Application-18fc3597717a3e56",
-      "relatedSpdxElement": "SPDXRef-Package-2a46714189f3b9de",
+      "relatedSpdxElement": "SPDXRef-Package-7784b00da0cb0cb0",
       "relationshipType": "CONTAINS"
     },
     {
       "spdxElementId": "SPDXRef-Application-18fc3597717a3e56",
-      "relatedSpdxElement": "SPDXRef-Package-4a8e351c4c9b7318",
+      "relatedSpdxElement": "SPDXRef-Package-960543ac5c5f7e10",
       "relationshipType": "CONTAINS"
     },
     {
       "spdxElementId": "SPDXRef-Application-18fc3597717a3e56",
-      "relatedSpdxElement": "SPDXRef-Package-d10d5e4a30a43fff",
+      "relatedSpdxElement": "SPDXRef-Package-a4705eb108e4f15c",
       "relationshipType": "CONTAINS"
     },
     {
@@ -130,8 +130,8 @@
       "relationshipType": "CONTAINS"
     },
     {
-      "spdxElementId": "SPDXRef-Package-2a46714189f3b9de",
-      "relatedSpdxElement": "SPDXRef-Package-d10d5e4a30a43fff",
+      "spdxElementId": "SPDXRef-Package-7784b00da0cb0cb0",
+      "relatedSpdxElement": "SPDXRef-Package-960543ac5c5f7e10",
       "relationshipType": "DEPENDS_ON"
     }
   ]

pkg/fanal/applier/applier_test.go

@@ -1,10 +1,10 @@
 package applier_test
 
 import (
-	"github.com/package-url/packageurl-go"
 	"sort"
 	"testing"
 
+	"github.com/package-url/packageurl-go"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 

pkg/result/filter.go

@@ -89,7 +89,7 @@ func filterByVEX(report types.Report, opt FilterOption) error {
 		return nil
 	}
 
-	bom, err := sbomio.NewEncoder(core.Options{}).Encode(report)
+	bom, err := sbomio.NewEncoder(core.Options{Parents: true}).Encode(report)
 	if err != nil {
 		return xerrors.Errorf("unable to encode the SBOM: %w", err)
 	}

pkg/result/filter_test.go

@@ -2,6 +2,7 @@ package result_test
 
 import (
 	"context"
+	"github.com/aquasecurity/trivy/pkg/fanal/artifact"
 	"github.com/package-url/packageurl-go"
 	"testing"
 	"time"
@@ -18,36 +19,42 @@ import (
 
 func TestFilter(t *testing.T) {
 	var (
-		vuln1 = types.DetectedVulnerability{
-			VulnerabilityID: "CVE-2019-0001",
-			PkgName:         "foo",
-			PkgIdentifier: ftypes.PkgIdentifier{
+		pkg1 = ftypes.Package{
+			ID:      "foo@1.2.3",
+			Name:    "foo",
+			Version: "1.2.3",
+			Identifier: ftypes.PkgIdentifier{
+				UID: "01",
 				PURL: &packageurl.PackageURL{
 					Type:      packageurl.TypeGolang,
 					Namespace: "github.com/aquasecurity",
 					Name:      "foo",
 					Version:   "1.2.3",
 				},
 			},
-			InstalledVersion: "1.2.3",
+		}
+		vuln1 = types.DetectedVulnerability{
+			VulnerabilityID:  "CVE-2019-0001",
+			PkgName:          pkg1.Name,
+			InstalledVersion: pkg1.Version,
 			FixedVersion:     "1.2.4",
+			PkgIdentifier: ftypes.PkgIdentifier{
+				UID:  pkg1.Identifier.UID,
+				PURL: pkg1.Identifier.PURL,
+			},
 			Vulnerability: dbTypes.Vulnerability{
 				Severity: dbTypes.SeverityLow.String(),
 			},
 		}
 		vuln2 = types.DetectedVulnerability{
-			VulnerabilityID: "CVE-2019-0002",
-			PkgName:         "foo",
+			VulnerabilityID:  "CVE-2019-0002",
+			PkgName:          pkg1.Name,
+			InstalledVersion: pkg1.Version,
+			FixedVersion:     "1.2.4",
 			PkgIdentifier: ftypes.PkgIdentifier{
-				PURL: &packageurl.PackageURL{
-					Type:      packageurl.TypeGolang,
-					Namespace: "github.com/aquasecurity",
-					Name:      "foo",
-					Version:   "4.5.6",
-				},
+				UID:  pkg1.Identifier.UID,
+				PURL: pkg1.Identifier.PURL,
 			},
-			InstalledVersion: "1.2.3",
-			FixedVersion:     "1.2.4",
 			Vulnerability: dbTypes.Vulnerability{
 				Severity: dbTypes.SeverityCritical.String(),
 			},
@@ -243,8 +250,14 @@ func TestFilter(t *testing.T) {
 			name: "filter by VEX",
 			args: args{
 				report: types.Report{
+					ArtifactName: ".",
+					ArtifactType: artifact.TypeFilesystem,
 					Results: types.Results{
 						types.Result{
+							Target:   "gobinary",
+							Class:    types.ClassLangPkg,
+							Type:     ftypes.GoBinary,
+							Packages: []ftypes.Package{pkg1},
 							Vulnerabilities: []types.DetectedVulnerability{
 								vuln1,
 								vuln2,
@@ -262,8 +275,14 @@ func TestFilter(t *testing.T) {
 				vexPath: "testdata/openvex.json",
 			},
 			want: types.Report{
+				ArtifactName: ".",
+				ArtifactType: artifact.TypeFilesystem,
 				Results: types.Results{
 					types.Result{
+						Target:   "gobinary",
+						Class:    types.ClassLangPkg,
+						Type:     ftypes.GoBinary,
+						Packages: []ftypes.Package{pkg1},
 						Vulnerabilities: []types.DetectedVulnerability{
 							vuln2,
 						},
@@ -658,7 +677,10 @@ func TestFilter(t *testing.T) {
 						},
 					},
 				},
-				severities: []dbTypes.Severity{dbTypes.SeverityLow, dbTypes.SeverityHigh},
+				severities: []dbTypes.Severity{
+					dbTypes.SeverityLow,
+					dbTypes.SeverityHigh,
+				},
 				policyFile: "./testdata/test-ignore-policy-licenses-and-secrets.rego",
 			},
 			want: types.Report{
@@ -671,7 +693,7 @@ func TestFilter(t *testing.T) {
 							secret1,
 						},
 						ModifiedFindings: []types.ModifiedFinding{
-							 {
+							{
 								Type:      types.FindingTypeSecret,
 								Status:    types.FindingStatusIgnored,
 								Statement: "Filtered by Rego",

pkg/sbom/core/bom.go

@@ -70,6 +70,10 @@ type BOM struct {
 	// This is used to ensure that each package URL is only represented once in the BOM.
 	purls map[string][]uuid.UUID
 
+	// parents is a map of parent components to their children
+	// This field is populated when Options.Parents is set to true.
+	parents map[uuid.UUID][]uuid.UUID
+
 	// opts is a set of options for the BOM.
 	opts Options
 }
@@ -199,7 +203,8 @@ type Vulnerability struct {
 }
 
 type Options struct {
-	GenerateBOMRef bool
+	GenerateBOMRef bool // Generate BOMRef for CycloneDX
+	Parents        bool // Hold parent maps
 }
 
 func NewBOM(opts Options) *BOM {
@@ -208,6 +213,7 @@ func NewBOM(opts Options) *BOM {
 		relationships:   make(map[uuid.UUID][]Relationship),
 		vulnerabilities: make(map[uuid.UUID][]Vulnerability),
 		purls:           make(map[string][]uuid.UUID),
+		parents:         make(map[uuid.UUID][]uuid.UUID),
 		opts:            opts,
 	}
 }
@@ -257,6 +263,10 @@ func (b *BOM) AddRelationship(parent, child *Component, relationshipType Relatio
 		Type:       relationshipType,
 		Dependency: child.id,
 	})
+
+	if b.opts.Parents {
+		b.parents[child.id] = append(b.parents[child.id], parent.id)
+	}
 }
 
 func (b *BOM) AddVulnerabilities(c *Component, vulns []Vulnerability) {
@@ -298,8 +308,8 @@ func (b *BOM) Vulnerabilities() map[uuid.UUID][]Vulnerability {
 	return b.vulnerabilities
 }
 
-func (b *BOM) NumComponents() int {
-	return len(b.components) + 1 // +1 for the root component
+func (b *BOM) Parents() map[uuid.UUID][]uuid.UUID {
+	return b.parents
 }
 
 // bomRef returns BOMRef for CycloneDX

pkg/sbom/cyclonedx/marshal.go

@@ -60,7 +60,7 @@ func (m *Marshaler) MarshalReport(ctx context.Context, report types.Report) (*cd
 // Marshal converts the Trivy component to the CycloneDX format
 func (m *Marshaler) Marshal(ctx context.Context, bom *core.BOM) (*cdx.BOM, error) {
 	m.bom = bom
-	m.componentIDs = make(map[uuid.UUID]string, m.bom.NumComponents())
+	m.componentIDs = make(map[uuid.UUID]string, len(m.bom.Components()))
 
 	cdxBOM := cdx.NewBOM()
 	cdxBOM.SerialNumber = uuid.New().URN()

pkg/sbom/io/encode.go

@@ -348,6 +348,7 @@ func (*Encoder) component(result types.Result, pkg ftypes.Package) *core.Compone
 		SrcVersion: utils.FormatSrcVersion(pkg),
 		SrcFile:    srcFile,
 		PkgIdentifier: ftypes.PkgIdentifier{
+			UID:  pkg.Identifier.UID,
 			PURL: pkg.Identifier.PURL,
 		},
 		Supplier:   pkg.Maintainer,

pkg/vex/csaf.go

@@ -1,7 +1,7 @@
 package vex
 
 import (
-	csaf "github.com/csaf-poc/csaf_distribution/v3/csaf"
+	"github.com/csaf-poc/csaf_distribution/v3/csaf"
 	"github.com/package-url/packageurl-go"
 	"github.com/samber/lo"