Add JVM cataloger (#3217)

* add jvm cataloger Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * simplify version selection Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * CPEs from JVM cataloger should be declared Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * ensure package overlap is enabled for sensitive use cases Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * more permissive glob Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> --------- Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
2026-11-05 08:56:41 +01:00 · 2024-09-23 17:21:38 -04:00
parent 7815d8e4d9
commit 01de99b253
25 changed files with 4271 additions and 81 deletions
@@ -43,3 +43,9 @@ func NewGradleLockfileCataloger() pkg.Cataloger {
 	return generic.NewCataloger("java-gradle-lockfile-cataloger").
 		WithParserByGlobs(parseGradleLockfile, gradleLockfileGlob)
 }
+
+// NewJvmDistributionCataloger returns packages representing JDK/JRE installations (of multiple distribution types).
+func NewJvmDistributionCataloger() pkg.Cataloger {
+	return generic.NewCataloger("java-jvm-cataloger").
+		WithParserByGlobs(parseJVMRelease, jvmReleaseGlob)
+}
@@ -4,6 +4,9 @@ import (
 	"testing"

 	"github.com/anchore/syft/syft/cataloging"
+	"github.com/anchore/syft/syft/cpe"
+	"github.com/anchore/syft/syft/file"
+	"github.com/anchore/syft/syft/pkg"
 	"github.com/anchore/syft/syft/pkg/cataloger/internal/pkgtest"
 )

@@ -102,3 +105,113 @@ func Test_POMCataloger_Globs(t *testing.T) {
 		})
 	}
 }
+
+func TestJvmDistributionCataloger(t *testing.T) {
+
+	cases := []struct {
+		name     string
+		fixture  string
+		expected pkg.Package
+	}{
+		{
+			name:    "valid 1.8.0",
+			fixture: "test-fixtures/jvm-installs/oracle-jdk-se-8",
+			expected: pkg.Package{
+				Name:      "jdk",
+				Version:   "1.8.0_411-b25",
+				FoundBy:   "java-jvm-cataloger",
+				Locations: file.NewLocationSet(file.NewLocation("usr/lib/jvm/jdk-1.8-oracle-x64/release")),
+				Licenses:  pkg.NewLicenseSet(),
+				Type:      pkg.BinaryPkg,
+				CPEs: []cpe.CPE{
+					cpe.Must("cpe:2.3:a:oracle:java_se:1.8.0:update411:*:*:*:*:*:*", cpe.DeclaredSource),
+					cpe.Must("cpe:2.3:a:oracle:jre:1.8.0:update411:*:*:*:*:*:*", cpe.DeclaredSource),
+					cpe.Must("cpe:2.3:a:oracle:jdk:1.8.0:update411:*:*:*:*:*:*", cpe.DeclaredSource),
+				},
+				PURL: "pkg:generic/oracle/jdk@1.8.0_411-b25",
+				Metadata: pkg.JavaVMInstallation{
+					Release: pkg.JavaVMRelease{
+						JavaRuntimeVersion: "1.8.0_411-b25",
+						JavaVersion:        "1.8.0_411",
+						OsArch:             "amd64",
+						OsName:             "Linux",
+						OsVersion:          "2.6",
+						Source:             ".:git:71ec2089cf8c+",
+						BuildType:          "commercial",
+					},
+					Files: []string{
+						"usr/lib/jvm/jdk-1.8-oracle-x64/bin/javac",
+						"usr/lib/jvm/jdk-1.8-oracle-x64/release",
+					},
+				},
+			},
+		},
+		{
+			name:    "valid post-jep223",
+			fixture: "test-fixtures/jvm-installs/valid-post-jep223",
+			expected: pkg.Package{
+				Name:      "openjdk",
+				Version:   "21.0.4+7-LTS",
+				FoundBy:   "java-jvm-cataloger",
+				Locations: file.NewLocationSet(file.NewLocation("jvm/openjdk/release")),
+				Licenses:  pkg.NewLicenseSet(),
+				Type:      pkg.BinaryPkg,
+				CPEs:      []cpe.CPE{cpe.Must("cpe:2.3:a:oracle:openjdk:21.0.4:*:*:*:*:*:*:*", cpe.DeclaredSource)},
+				PURL:      "pkg:generic/oracle/openjdk@21.0.4%2B7-LTS?repository_url=https://github.com/adoptium/jdk21u.git",
+				Metadata: pkg.JavaVMInstallation{
+					Release: pkg.JavaVMRelease{
+						Implementor:        "Eclipse Adoptium",
+						ImplementorVersion: "Temurin-21.0.4+7",
+						JavaRuntimeVersion: "21.0.4+7-LTS",
+						JavaVersion:        "21.0.4",
+						JavaVersionDate:    "2024-07-16",
+						Libc:               "gnu",
+						Modules: []string{
+							"java.base", "java.compiler", "java.datatransfer", "java.xml", "java.prefs",
+							"java.desktop", "java.instrument", "java.logging", "java.management",
+							"java.security.sasl", "java.naming", "java.rmi", "java.management.rmi",
+							"java.net.http", "java.scripting", "java.security.jgss",
+							"java.transaction.xa", "java.sql", "java.sql.rowset", "java.xml.crypto", "java.se",
+							"java.smartcardio", "jdk.accessibility", "jdk.internal.jvmstat", "jdk.attach",
+							"jdk.charsets", "jdk.internal.opt", "jdk.zipfs", "jdk.compiler", "jdk.crypto.ec",
+							"jdk.crypto.cryptoki", "jdk.dynalink", "jdk.internal.ed", "jdk.editpad", "jdk.hotspot.agent",
+							"jdk.httpserver", "jdk.incubator.vector", "jdk.internal.le", "jdk.internal.vm.ci",
+							"jdk.internal.vm.compiler", "jdk.internal.vm.compiler.management", "jdk.jartool",
+							"jdk.javadoc", "jdk.jcmd", "jdk.management", "jdk.management.agent", "jdk.jconsole",
+							"jdk.jdeps", "jdk.jdwp.agent", "jdk.jdi", "jdk.jfr", "jdk.jlink", "jdk.jpackage", "jdk.jshell",
+							"jdk.jsobject", "jdk.jstatd", "jdk.localedata", "jdk.management.jfr", "jdk.naming.dns",
+							"jdk.naming.rmi", "jdk.net", "jdk.nio.mapmode", "jdk.random", "jdk.sctp", "jdk.security.auth",
+							"jdk.security.jgss", "jdk.unsupported", "jdk.unsupported.desktop", "jdk.xml.dom",
+						},
+						OsArch:          "aarch64",
+						OsName:          "Linux",
+						Source:          ".:git:13710926b798",
+						BuildSource:     "git:1271f10a26c47e1489a814dd2731f936a588d621",
+						BuildSourceRepo: "https://github.com/adoptium/temurin-build.git",
+						SourceRepo:      "https://github.com/adoptium/jdk21u.git",
+						FullVersion:     "21.0.4+7-LTS",
+						SemanticVersion: "21.0.4+7",
+						BuildInfo:       "OS: Linux Version: 5.4.0-150-generic",
+						JvmVariant:      "Hotspot",
+						JvmVersion:      "21.0.4+7-LTS",
+						ImageType:       "JDK",
+					},
+					Files: []string{
+						"jvm/openjdk/release",
+						"jvm/openjdk/sibling/child/file1.txt",
+					},
+				},
+			},
+		},
+	}
+
+	for _, tt := range cases {
+		t.Run(tt.name, func(t *testing.T) {
+			p := tt.expected
+			p.SetID()
+
+			pkgtest.TestCataloger(t, tt.fixture, NewJvmDistributionCataloger(), []pkg.Package{p}, nil)
+		})
+	}
+
+}
@@ -0,0 +1,423 @@
+package java
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"io"
+	"path"
+	"sort"
+	"strings"
+
+	"github.com/mitchellh/mapstructure"
+
+	"github.com/anchore/packageurl-go"
+	stereoFile "github.com/anchore/stereoscope/pkg/file"
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft/artifact"
+	"github.com/anchore/syft/syft/cpe"
+	"github.com/anchore/syft/syft/file"
+	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/pkg/cataloger/generic"
+)
+
+const (
+	// this is a very permissive glob that will match more than just the JVM release file.
+	// we started with "**/{java,jvm}/*/release", but this prevents scanning JVM archive contents (e.g. jdk8u402.zip).
+	// this approach lets us check more files for JVM release info, but be rather silent about errors.
+	jvmReleaseGlob = "**/release"
+	oracleVendor   = "oracle"
+	openJdkProduct = "openjdk"
+	jre            = "jre"
+	jdk            = "jdk"
+)
+
+// the /opt/java/openjdk/release file (and similar paths) is a file that is present in the multiple OpenJDK distributions
+// here's an example of the contents of the file:
+//
+// IMPLEMENTOR="Eclipse Adoptium"
+// IMPLEMENTOR_VERSION="Temurin-21.0.4+7"
+// JAVA_RUNTIME_VERSION="21.0.4+7-LTS"
+// JAVA_VERSION="21.0.4"
+// JAVA_VERSION_DATE="2024-07-16"
+// LIBC="gnu"
+// MODULES="java.base java.compiler java.datatransfer java.xml java.prefs java.desktop java.instrument java.logging java.management java.security.sasl java.naming java.rmi java.management.rmi java.net.http java.scripting java.security.jgss java.transaction.xa java.sql java.sql.rowset java.xml.crypto java.se java.smartcardio jdk.accessibility jdk.internal.jvmstat jdk.attach jdk.charsets jdk.internal.opt jdk.zipfs jdk.compiler jdk.crypto.ec jdk.crypto.cryptoki jdk.dynalink jdk.internal.ed jdk.editpad jdk.hotspot.agent jdk.httpserver jdk.incubator.vector jdk.internal.le jdk.internal.vm.ci jdk.internal.vm.compiler jdk.internal.vm.compiler.management jdk.jartool jdk.javadoc jdk.jcmd jdk.management jdk.management.agent jdk.jconsole jdk.jdeps jdk.jdwp.agent jdk.jdi jdk.jfr jdk.jlink jdk.jpackage jdk.jshell jdk.jsobject jdk.jstatd jdk.localedata jdk.management.jfr jdk.naming.dns jdk.naming.rmi jdk.net jdk.nio.mapmode jdk.random jdk.sctp jdk.security.auth jdk.security.jgss jdk.unsupported jdk.unsupported.desktop jdk.xml.dom"
+// OS_ARCH="aarch64"
+// OS_NAME="Linux"
+// SOURCE=".:git:13710926b798"
+// BUILD_SOURCE="git:1271f10a26c47e1489a814dd2731f936a588d621"
+// BUILD_SOURCE_REPO="https://github.com/adoptium/temurin-build.git"
+// SOURCE_REPO="https://github.com/adoptium/jdk21u.git"
+// FULL_VERSION="21.0.4+7-LTS"
+// SEMANTIC_VERSION="21.0.4+7"
+// BUILD_INFO="OS: Linux Version: 5.4.0-150-generic"
+// JVM_VARIANT="Hotspot"
+// JVM_VERSION="21.0.4+7-LTS"
+// IMAGE_TYPE="JDK"
+//
+// In terms of the temurin flavor, these are controlled by:
+// - config: https://github.com/adoptium/temurin-build/blob/v2023.01.03/sbin/common/config_init.sh
+// - build script: https://github.com/adoptium/temurin-build/blob/v2023.01.03/sbin/build.sh#L1584-L1796
+
+type jvmCpeInfo struct {
+	vendor, product, version string
+}
+
+func parseJVMRelease(_ context.Context, resolver file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+	ri, err := parseJvmReleaseInfo(reader)
+	if err != nil {
+		return nil, nil, fmt.Errorf("unable to parse JVM release info %q: %w", reader.Path(), err)
+	}
+
+	if ri == nil {
+		// TODO: known-unknown: expected JDK installation package
+		return nil, nil, nil
+	}
+
+	version := jvmPackageVersion(ri)
+	// TODO: detect old and new version format from multiple fields
+
+	licenses := jvmLicenses(resolver, ri)
+
+	locations := file.NewLocationSet(reader.Location)
+
+	for _, lic := range licenses.ToSlice() {
+		locations.Add(lic.Locations.ToSlice()...)
+	}
+
+	installDir := path.Dir(reader.Path())
+	files, hasJdk := findJvmFiles(resolver, installDir)
+
+	vendor, product := jvmPrimaryVendorProduct(ri.Implementor, reader.Path(), ri.ImageType, hasJdk)
+
+	p := pkg.Package{
+		Name:      product,
+		Locations: locations,
+		Version:   version,
+		CPEs:      jvmCpes(version, vendor, product, ri.ImageType, hasJdk),
+		PURL:      jvmPurl(*ri, version, vendor, product),
+		Licenses:  licenses,
+		Type:      pkg.BinaryPkg,
+		Metadata: pkg.JavaVMInstallation{
+			Release: *ri,
+			Files:   files,
+		},
+	}
+	p.SetID()
+
+	return []pkg.Package{p}, nil, nil
+}
+
+func jvmLicenses(_ file.Resolver, _ *pkg.JavaVMRelease) pkg.LicenseSet {
+	// TODO: get this from the dir(<RELEASE>)/legal/**/LICENSE files when we start cataloging license content
+	// see https://github.com/anchore/syft/issues/656
+	return pkg.NewLicenseSet()
+}
+
+func findJvmFiles(resolver file.Resolver, installDir string) ([]string, bool) {
+	ownedLocations, err := resolver.FilesByGlob(installDir + "/**")
+	if err != nil {
+		// TODO: known-unknowns
+		log.WithFields("path", installDir, "error", err).Trace("unable to find installed JVM files")
+	}
+
+	var results []string
+	var hasJdk bool
+	for _, loc := range ownedLocations {
+		p := loc.Path()
+		results = append(results, p)
+		if !hasJdk && strings.HasSuffix(p, "bin/javac") {
+			hasJdk = true
+		}
+	}
+
+	sort.Strings(results)
+
+	return results, hasJdk
+}
+
+func jvmPurl(ri pkg.JavaVMRelease, version, vendor, product string) string {
+	var qualifiers []packageurl.Qualifier
+	if ri.SourceRepo != "" {
+		qualifiers = append(qualifiers, packageurl.Qualifier{
+			Key:   "repository_url",
+			Value: ri.SourceRepo,
+		})
+	} else if ri.BuildSourceRepo != "" {
+		qualifiers = append(qualifiers, packageurl.Qualifier{
+			Key:   "repository_url",
+			Value: ri.BuildSourceRepo,
+		})
+	}
+
+	pURL := packageurl.NewPackageURL(
+		packageurl.TypeGeneric,
+		vendor,
+		product,
+		version,
+		qualifiers,
+		"")
+	return pURL.ToString()
+}
+
+func jvmPrimaryVendorProduct(implementor, path, imageType string, hasJdk bool) (string, string) {
+	implementor = strings.ReplaceAll(strings.ToLower(implementor), " ", "")
+
+	pickProduct := func() string {
+		if hasJdk || jvmProjectByType(imageType) == jdk {
+			return jdk
+		}
+		return jre
+	}
+
+	switch {
+	case strings.Contains(implementor, "azul") || strings.Contains(path, "zulu"):
+		return "azul", "zulu"
+
+	case strings.Contains(implementor, "sun"):
+		return "sun", pickProduct()
+
+	case strings.Contains(implementor, "oracle") || strings.Contains(path, "oracle"):
+		return oracleVendor, pickProduct()
+	}
+	return oracleVendor, openJdkProduct
+}
+
+func jvmCpes(version, primaryVendor, primaryProduct, imageType string, hasJdk bool) []cpe.CPE {
+	// see https://github.com/anchore/syft/issues/2422 for more context
+
+	var candidates []jvmCpeInfo
+
+	newCandidate := func(ven, prod, ver string) {
+		candidates = append(candidates, jvmCpeInfo{
+			vendor:  ven,
+			product: prod,
+			version: ver,
+		})
+	}
+
+	newEnterpriseCandidate := func(ven, ver string) {
+		newCandidate(ven, jre, ver)
+		if hasJdk || jvmProjectByType(imageType) == jdk {
+			newCandidate(ven, jdk, ver)
+		}
+	}
+
+	switch {
+	case primaryVendor == "azul":
+		newCandidate(primaryVendor, "zulu", version)
+		newCandidate(oracleVendor, openJdkProduct, version)
+
+	case primaryVendor == "sun":
+		newEnterpriseCandidate(primaryVendor, version)
+
+	case primaryVendor == oracleVendor && primaryProduct != openJdkProduct:
+		newCandidate(primaryVendor, "java_se", version)
+		newEnterpriseCandidate(primaryVendor, version)
+	default:
+		newCandidate(primaryVendor, primaryProduct, version)
+	}
+
+	var cpes []cpe.CPE
+	for _, candidate := range candidates {
+		c := newJvmCpe(candidate)
+		if c == nil {
+			continue
+		}
+		cpes = append(cpes, *c)
+	}
+
+	return cpes
+}
+
+func getJVMVersionAndUpdate(version string) (string, string) {
+	hasPlus := strings.Contains(version, "+")
+	hasUnderscore := strings.Contains(version, "_")
+
+	switch {
+	case hasUnderscore:
+		// assume legacy version strings are provided
+		// example: 1.8.0_302-b08
+		fields := strings.Split(version, "_")
+		if len(fields) == 2 {
+			shortVer := fields[0]
+			fields = strings.Split(fields[1], "-")
+			return shortVer, fields[0]
+		}
+	case hasPlus:
+		// assume JEP 223 version strings are provided
+		// example: 9.0.1+20
+		fields := strings.Split(version, "+")
+		return fields[0], ""
+	}
+
+	// this could be a legacy or modern string that does not have an update
+	return version, ""
+}
+
+func newJvmCpe(candidate jvmCpeInfo) *cpe.CPE {
+	if candidate.vendor == "" || candidate.product == "" || candidate.version == "" {
+		return nil
+	}
+
+	shortVer, update := getJVMVersionAndUpdate(candidate.version)
+
+	if shortVer == "" {
+		return nil
+	}
+
+	if update != "" && !strings.Contains(strings.ToLower(update), "update") {
+		update = "update" + trim0sFromLeft(update)
+	}
+
+	return &cpe.CPE{
+		Attributes: cpe.Attributes{
+			Part:    "a",
+			Vendor:  candidate.vendor,
+			Product: candidate.product,
+			Version: shortVer,
+			Update:  update,
+		},
+		// note: we must use a declared source here. Though we are not directly raising up raw CPEs from cataloged material,
+		// these are vastly more reliable and accurate than what would be generated from the cpe generator logic.
+		// We want these CPEs to override any generated CPEs (and in fact prevent the generation of CPEs for these packages altogether).
+		Source: cpe.DeclaredSource,
+	}
+}
+
+func jvmProjectByType(ty string) string {
+	if strings.Contains(strings.ToLower(ty), jre) {
+		return jre
+	}
+	return jdk
+}
+
+// jvmPackageVersion attempts to extract the correct version value for the JVM given a platter of version strings to choose
+// from, and makes special consideration to what a valid version is relative to JEP 223.
+//
+// example version values (openjdk >8):
+//
+//	IMPLEMENTOR_VERSION   "Temurin-21.0.4+7"
+//	JAVA_RUNTIME_VERSION  "21.0.4+7-LTS"
+//	FULL_VERSION          "21.0.4+7-LTS"
+//	SEMANTIC_VERSION      "21.0.4+7"
+//	JAVA_VERSION          "21.0.4"
+//
+// example version values (openjdk 8):
+//
+//	JAVA_VERSION       "1.8.0_422"
+//	FULL_VERSION       "1.8.0_422-b05"
+//	SEMANTIC_VERSION   "8.0.422+5"
+//
+// example version values (openjdk 8, but older):
+//
+//	JAVA_VERSION       "1.8.0_302"
+//	FULL_VERSION       "1.8.0_302-b08"
+//	SEMANTIC_VERSION   "8.0.302+8"
+//
+// example version values (oracle):
+//
+//	IMPLEMENTOR_VERSION   (missing)
+//	JAVA_RUNTIME_VERSION  "22.0.2+9-70"
+//	JAVA_VERSION          "22.0.2"
+//
+// example version values (mariner):
+//
+//	IMPLEMENTOR_VERSION   "Microsoft-9889599"
+//	JAVA_RUNTIME_VERSION  "17.0.12+7-LTS"
+//	JAVA_VERSION          "17.0.12"
+//
+// example version values (amazon):
+//
+//	IMPLEMENTOR_VERSION    "Corretto-17.0.12.7.1"
+//	JAVA_RUNTIME_VERSION   "17.0.12+7-LTS"
+//	JAVA_VERSION           "17.0.12"
+//
+// JEP 223 changes to JVM version string in the following way:
+//
+//	                     Pre JEP 223             Post JEP 223
+//	Release Type    long           short    long           short
+//	------------    --------------------    --------------------
+//	Early Access    1.9.0-ea-b19    9-ea    9-ea+19        9-ea
+//	Major           1.9.0-b100      9       9+100          9
+//	Security #1     1.9.0_5-b20     9u5     9.0.1+20       9.0.1
+//	Security #2     1.9.0_11-b12    9u11    9.0.2+12       9.0.2
+//	Minor #1        1.9.0_20-b62    9u20    9.1.2+62       9.1.2
+//	Security #3     1.9.0_25-b15    9u25    9.1.3+15       9.1.3
+//	Security #4     1.9.0_31-b08    9u31    9.1.4+8        9.1.4
+//	Minor #2        1.9.0_40-b45    9u40    9.2.4+45       9.2.4
+//
+// What does this mean for us? In terms of the version selected, use semver-compliant strings when available.
+//
+// In terms of where to get the version:
+//
+//	SEMANTIC_VERSION      Reasonably prevalent, but most accurate in terms of comparable versions
+//	JAVA_RUNTIME_VERSION  Reasonable prevalent, but difficult to distinguish pre-release info vs aux info (jep 223 sensitive)
+//	FULL_VERSION          Reasonable prevalent, but difficult to distinguish pre-release info vs aux info (jep 223 sensitive)
+//	JAVA_VERSION          Most prevalent, but least specific (jep 223 sensitive)
+//	IMPLEMENTOR_VERSION   Unusable or missing in some cases
+func jvmPackageVersion(ri *pkg.JavaVMRelease) string {
+	var version string
+	switch {
+	case ri.JavaRuntimeVersion != "":
+		return ri.JavaRuntimeVersion
+	case ri.FullVersion != "":
+		// if the full version major version matches the java version major version, then use the full version
+		fullMajor := strings.Split(ri.FullVersion, ".")[0]
+		javaMajor := strings.Split(ri.JavaVersion, ".")[0]
+		if fullMajor == javaMajor {
+			return ri.FullVersion
+		}
+		fallthrough
+	case ri.JavaVersion != "":
+		return ri.JavaVersion
+	}
+
+	return version
+}
+
+func trim0sFromLeft(v string) string {
+	if v == "0" {
+		return v
+	}
+	return strings.TrimLeft(v, "0")
+}
+
+func parseJvmReleaseInfo(r io.ReadCloser) (*pkg.JavaVMRelease, error) {
+	defer r.Close()
+
+	data := make(map[string]any)
+	scanner := bufio.NewScanner(io.LimitReader(r, 500*stereoFile.KB))
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		parts := strings.SplitN(line, "=", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := parts[0]
+		value := strings.Trim(parts[1], `"`)
+
+		if key == "MODULES" {
+			data[key] = strings.Split(value, " ")
+		} else {
+			data[key] = value
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+
+	// if we're missing key fields, then we don't have a JVM release file
+	if data["JAVA_VERSION"] == nil && data["JAVA_RUNTIME_VERSION"] == nil {
+		return nil, nil
+	}
+
+	var ri pkg.JavaVMRelease
+	if err := mapstructure.Decode(data, &ri); err != nil {
+		return nil, err
+	}
+
+	return &ri, nil
+}
@@ -0,0 +1,438 @@
+package java
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/anchore/syft/syft/cpe"
+	"github.com/anchore/syft/syft/pkg"
+)
+
+func TestJvmCpes(t *testing.T) {
+	tests := []struct {
+		name           string
+		pkgVersion     string
+		primaryVendor  string
+		primaryProduct string
+		imageType      string
+		hasJdk         bool
+		expected       []cpe.CPE
+	}{
+		{
+			name:           "zulu release",
+			pkgVersion:     "9.0.1+20",
+			primaryVendor:  "azul",
+			primaryProduct: "zulu",
+			imageType:      "jdk",
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "azul",
+						Product: "zulu",
+						Version: "9.0.1",
+						Update:  "",
+					},
+					Source: cpe.DeclaredSource,
+				},
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "openjdk",
+						Version: "9.0.1",
+						Update:  "",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "sun release",
+			pkgVersion:     "1.6.0_322-b002",
+			primaryVendor:  "sun",
+			primaryProduct: "jre",
+			imageType:      "jre",
+			hasJdk:         true,
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "sun",
+						Product: "jre",
+						Version: "1.6.0",
+						Update:  "update322",
+					},
+					Source: cpe.DeclaredSource,
+				},
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "sun",
+						Product: "jdk",
+						Version: "1.6.0",
+						Update:  "update322",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "oracle se release",
+			pkgVersion:     "1.8.0_322-b02",
+			primaryVendor:  "oracle",
+			primaryProduct: "java_se",
+			imageType:      "jdk",
+			hasJdk:         true,
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "java_se",
+						Version: "1.8.0",
+						Update:  "update322",
+					},
+					Source: cpe.DeclaredSource,
+				},
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "jre",
+						Version: "1.8.0",
+						Update:  "update322",
+					},
+					Source: cpe.DeclaredSource,
+				},
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "jdk",
+						Version: "1.8.0",
+						Update:  "update322",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "JEP 223 version with build info",
+			pkgVersion:     "9.0.1+20",
+			primaryVendor:  "oracle",
+			primaryProduct: "openjdk",
+			imageType:      "openjdk",
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "openjdk",
+						Version: "9.0.1",
+						Update:  "",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "JEP 223 version without build info",
+			pkgVersion:     "11.0.9",
+			primaryVendor:  "oracle",
+			primaryProduct: "openjdk",
+			imageType:      "openjdk",
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "openjdk",
+						Version: "11.0.9",
+						Update:  "",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "no plus sign in version string",
+			pkgVersion:     "1.8.0",
+			primaryVendor:  "oracle",
+			primaryProduct: "openjdk",
+			imageType:      "openjdk",
+			expected: []cpe.CPE{
+				{
+					Attributes: cpe.Attributes{
+						Part:    "a",
+						Vendor:  "oracle",
+						Product: "openjdk",
+						Version: "1.8.0",
+						Update:  "",
+					},
+					Source: cpe.DeclaredSource,
+				},
+			},
+		},
+		{
+			name:           "empty version string",
+			pkgVersion:     "",
+			primaryVendor:  "oracle",
+			primaryProduct: "",
+			imageType:      "",
+			expected:       nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := jvmCpes(tt.pkgVersion, tt.primaryVendor, tt.primaryProduct, tt.imageType, tt.hasJdk)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestJvmVersion(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    *pkg.JavaVMRelease
+		expected string
+	}{
+
+		{
+			name: "JavaRuntimeVersion fallback",
+			input: &pkg.JavaVMRelease{
+				JavaRuntimeVersion: "21.0.4+7-LTS",
+				JavaVersion:        "bogus",
+				FullVersion:        "bogus",
+				SemanticVersion:    "bogus",
+			},
+			expected: "21.0.4+7-LTS",
+		},
+		{
+			name: "JavaVersion fallback",
+			input: &pkg.JavaVMRelease{
+				JavaVersion:     "21.0.4",
+				FullVersion:     "bogus",
+				SemanticVersion: "bogus",
+			},
+			expected: "21.0.4",
+		},
+		{
+			// there is an example of this in eclipse-temurin:8u312-b07-jdk
+			name: "FullVersion is more accurate",
+			input: &pkg.JavaVMRelease{
+				JavaVersion: "1.8.0_131",
+				FullVersion: "1.8.0_131+b08",
+			},
+			expected: "1.8.0_131+b08",
+		},
+		{
+			name:     "empty input fields",
+			input:    &pkg.JavaVMRelease{},
+			expected: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := jvmPackageVersion(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestGetJVMVersionAndUpdate(t *testing.T) {
+	tests := []struct {
+		name           string
+		version        string
+		expectedVer    string
+		expectedUpdate string
+	}{
+		{
+			name:           "legacy version with underscore and build",
+			version:        "1.8.0_302-b08",
+			expectedVer:    "1.8.0",
+			expectedUpdate: "302",
+		},
+		{
+			name:           "legacy version with underscore but no build",
+			version:        "1.8.0_302",
+			expectedVer:    "1.8.0",
+			expectedUpdate: "302",
+		},
+		{
+			name:           "JEP 223 version with plus sign",
+			version:        "9.0.1+20",
+			expectedVer:    "9.0.1",
+			expectedUpdate: "",
+		},
+		{
+			name:           "JEP 223 version with plus but no update",
+			version:        "11.0.9+",
+			expectedVer:    "11.0.9",
+			expectedUpdate: "",
+		},
+		{
+			name:           "modern version without plus or underscore",
+			version:        "11.0.9",
+			expectedVer:    "11.0.9",
+			expectedUpdate: "",
+		},
+		{
+			name:           "legacy version without underscore or plus",
+			version:        "1.7.0",
+			expectedVer:    "1.7.0",
+			expectedUpdate: "",
+		},
+		{
+			name:           "empty version string",
+			version:        "",
+			expectedVer:    "",
+			expectedUpdate: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ver, update := getJVMVersionAndUpdate(tt.version)
+			assert.Equal(t, tt.expectedVer, ver)
+			assert.Equal(t, tt.expectedUpdate, update)
+		})
+	}
+}
+
+func TestJvmPrimaryVendorProduct(t *testing.T) {
+	tests := []struct {
+		name            string
+		implementor     string
+		path            string
+		imageType       string
+		hasJdk          bool
+		expectedVendor  string
+		expectedProduct string
+	}{
+		{
+			name:            "Azul implementor with Zulu in path",
+			implementor:     "Azul Systems",
+			path:            "/usr/lib/jvm/zulu-11-amd64/release",
+			imageType:       "JDK",
+			hasJdk:          true,
+			expectedVendor:  "azul",
+			expectedProduct: "zulu",
+		},
+		{
+			name:            "Sun implementor with JDK",
+			implementor:     "Sun Microsystems",
+			path:            "/usr/lib/jvm/jdk-1.8-sun-amd64/release",
+			imageType:       "JDK",
+			hasJdk:          true,
+			expectedVendor:  "sun",
+			expectedProduct: "jdk",
+		},
+		{
+			name:            "Oracle implementor with JRE",
+			implementor:     "Oracle Corporation",
+			path:            "/usr/lib/jvm/jdk-1.8-oracle-x64/release",
+			imageType:       "JRE",
+			hasJdk:          false,
+			expectedVendor:  "oracle",
+			expectedProduct: "jre",
+		},
+		{
+			name:            "Oracle vendor with JDK in path",
+			implementor:     "",
+			path:            "/usr/lib/jvm/jdk-1.8-oracle-x64/release",
+			imageType:       "JDK",
+			hasJdk:          true,
+			expectedVendor:  "oracle",
+			expectedProduct: "jdk",
+		},
+		{
+			name:            "OpenJDK with JDK",
+			implementor:     "OpenJDK",
+			path:            "/opt/java/openjdk/release",
+			imageType:       "JDK",
+			hasJdk:          true,
+			expectedVendor:  "oracle", // like temurin
+			expectedProduct: "openjdk",
+		},
+		{
+			name:            "Amazon Corretto with JDK",
+			implementor:     "Amazon Corretto",
+			path:            "/usr/lib/jvm/java-17-amazon-corretto/release",
+			imageType:       "JDK",
+			hasJdk:          true,
+			expectedVendor:  "oracle", // corretto upstream is oracle openjdk
+			expectedProduct: "openjdk",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			vendor, product := jvmPrimaryVendorProduct(tt.implementor, tt.path, tt.imageType, tt.hasJdk)
+			assert.Equal(t, tt.expectedVendor, vendor)
+			assert.Equal(t, tt.expectedProduct, product)
+		})
+	}
+}
+
+func TestJvmPurl(t *testing.T) {
+	tests := []struct {
+		name         string
+		ri           pkg.JavaVMRelease
+		version      string
+		vendor       string
+		product      string
+		expectedPURL string
+	}{
+		{
+			name: "build source repo provided",
+			ri: pkg.JavaVMRelease{
+				BuildSourceRepo: "https://github.com/adoptium/temurin-build.git",
+			},
+			version:      "21.0.4",
+			vendor:       "oracle",
+			product:      "jdk",
+			expectedPURL: "pkg:generic/oracle/jdk@21.0.4?repository_url=https://github.com/adoptium/temurin-build.git",
+		},
+		{
+			name: "source repo provided, no build source repo",
+			ri: pkg.JavaVMRelease{
+				SourceRepo: "https://github.com/adoptium/jdk21u.git",
+			},
+			version:      "21.0.4",
+			vendor:       "azul",
+			product:      "zulu",
+			expectedPURL: "pkg:generic/azul/zulu@21.0.4?repository_url=https://github.com/adoptium/jdk21u.git",
+		},
+		{
+			name: "no repository URLs provided",
+			ri:   pkg.JavaVMRelease{
+				// No repository URLs provided
+			},
+			version:      "17.0.2",
+			vendor:       "oracle",
+			product:      "jdk",
+			expectedPURL: "pkg:generic/oracle/jdk@17.0.2",
+		},
+		{
+			name: "JRE with source repo",
+			ri: pkg.JavaVMRelease{
+				SourceRepo: "https://github.com/adoptium/jre-repo.git",
+			},
+			version:      "1.8.0_302",
+			vendor:       "oracle",
+			product:      "jre",
+			expectedPURL: "pkg:generic/oracle/jre@1.8.0_302?repository_url=https://github.com/adoptium/jre-repo.git",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			actualPURL := jvmPurl(tt.ri, tt.version, tt.vendor, tt.product)
+			assert.Equal(t, tt.expectedPURL, actualPURL)
+		})
+	}
+}
@@ -0,0 +1 @@
+!/jdk-1.8-oracle-x64/bin
@@ -0,0 +1 @@
+compiler!
@@ -0,0 +1,7 @@
+JAVA_VERSION="1.8.0_411"
+JAVA_RUNTIME_VERSION="1.8.0_411-b25"
+OS_NAME="Linux"
+OS_VERSION="2.6"
+OS_ARCH="amd64"
+SOURCE=".:git:71ec2089cf8c+"
+BUILD_TYPE="commercial"
@@ -0,0 +1,19 @@
+IMPLEMENTOR="Eclipse Adoptium"
+IMPLEMENTOR_VERSION="Temurin-21.0.4+7"
+JAVA_RUNTIME_VERSION="21.0.4+7-LTS"
+JAVA_VERSION="21.0.4"
+JAVA_VERSION_DATE="2024-07-16"
+LIBC="gnu"
+MODULES="java.base java.compiler java.datatransfer java.xml java.prefs java.desktop java.instrument java.logging java.management java.security.sasl java.naming java.rmi java.management.rmi java.net.http java.scripting java.security.jgss java.transaction.xa java.sql java.sql.rowset java.xml.crypto java.se java.smartcardio jdk.accessibility jdk.internal.jvmstat jdk.attach jdk.charsets jdk.internal.opt jdk.zipfs jdk.compiler jdk.crypto.ec jdk.crypto.cryptoki jdk.dynalink jdk.internal.ed jdk.editpad jdk.hotspot.agent jdk.httpserver jdk.incubator.vector jdk.internal.le jdk.internal.vm.ci jdk.internal.vm.compiler jdk.internal.vm.compiler.management jdk.jartool jdk.javadoc jdk.jcmd jdk.management jdk.management.agent jdk.jconsole jdk.jdeps jdk.jdwp.agent jdk.jdi jdk.jfr jdk.jlink jdk.jpackage jdk.jshell jdk.jsobject jdk.jstatd jdk.localedata jdk.management.jfr jdk.naming.dns jdk.naming.rmi jdk.net jdk.nio.mapmode jdk.random jdk.sctp jdk.security.auth jdk.security.jgss jdk.unsupported jdk.unsupported.desktop jdk.xml.dom"
+OS_ARCH="aarch64"
+OS_NAME="Linux"
+SOURCE=".:git:13710926b798"
+BUILD_SOURCE="git:1271f10a26c47e1489a814dd2731f936a588d621"
+BUILD_SOURCE_REPO="https://github.com/adoptium/temurin-build.git"
+SOURCE_REPO="https://github.com/adoptium/jdk21u.git"
+FULL_VERSION="21.0.4+7-LTS"
+SEMANTIC_VERSION="21.0.4+7"
+BUILD_INFO="OS: Linux Version: 5.4.0-150-generic"
+JVM_VARIANT="Hotspot"
+JVM_VERSION="21.0.4+7-LTS"
+IMAGE_TYPE="JDK"
@@ -0,0 +1 @@
+content!