feat: classifier for util-linux (#2933)

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>

syft/pkg/cataloger/binary/classifier_cataloger_test.go

@@ -616,6 +616,16 @@ func Test_Cataloger_PositiveCases(t *testing.T) {
 				Metadata:  metadata("busybox-binary", "[", "busybox"),
 			},
 		},
+		{
+			logicalFixture: `util-linux/2.37.4/linux-amd64`,
+			expected: pkg.Package{
+				Name:      "util-linux",
+				Version:   "2.37.4",
+				PURL:      "pkg:generic/util-linux@2.37.4",
+				Locations: locations("getopt"),
+				Metadata:  metadata("util-linux-binary"),
+			},
+		},
 		{
 			logicalFixture: "java-jre-openjdk/1.8.0_352-b08/linux-amd64",
 			expected: pkg.Package{

syft/pkg/cataloger/binary/classifiers.go

@@ -173,6 +173,15 @@ func DefaultClassifiers() []Classifier {
 			PURL:    mustPURL("pkg:generic/busybox@version"),
 			CPEs:    singleCPE("cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*"),
 		},
+		{
+			Class:    "util-linux-binary",
+			FileGlob: "**/getopt",
+			EvidenceMatcher: FileContentsVersionMatcher(
+				`\x00util-linux\s(?P<version>[0-9]+\.[0-9]+\.[0-9]+)\x00`),
+			Package: "util-linux",
+			PURL:    mustPURL("pkg:generic/util-linux@version"),
+			CPEs:    singleCPE("cpe:2.3:a:kernel:util-linux:*:*:*:*:*:*:*:*"),
+		},
 		{
 			Class:    "haproxy-binary",
 			FileGlob: "**/haproxy",

syft/pkg/cataloger/binary/test-fixtures/config.yaml

@@ -17,6 +17,14 @@ from-images:
     paths:
       - /bin/[
 
+  - name: util-linux
+    version: 2.37.4
+    images:
+      - ref: cirros:0.6.2@sha256:7ba1f5bc57923f65c99677e53758d386320ed699b621d9630b1f2bd7ceb3a878
+        platform: linux/amd64
+    paths:
+      - /usr/bin/getopt
+
   - version: 5.1.16
     images:
       - ref: bash:5.1.16@sha256:c7a903a541d8f5fe693cbe7f5ece18a1b6a03734c76092d2b153d7e98a964927