Add redis binary classifier (#1438)

Signed-off-by: Benji Visser <benji@093b.org>

syft/pkg/cataloger/binary/cataloger_test.go

@@ -17,6 +17,76 @@ func TestClassifierCataloger_DefaultClassifiers_PositiveCases(t *testing.T) {
 		fixtureDir string
 		expected   pkg.Package
 	}{
+		{
+			name:       "positive-redis-2.8.23",
+			fixtureDir: "test-fixtures/classifiers/positive/redis-server-2.8.23",
+			expected: pkg.Package{
+				Name:      "redis",
+				Version:   "2.8.23",
+				Type:      "binary",
+				PURL:      "pkg:generic/redis@2.8.23",
+				Locations: singleLocation("redis-server"),
+				Metadata: pkg.BinaryMetadata{
+					Classifier: "redis-binary",
+				},
+			},
+		},
+		{
+			name:       "positive-redis-4.0.11",
+			fixtureDir: "test-fixtures/classifiers/positive/redis-server-4.0.11",
+			expected: pkg.Package{
+				Name:      "redis",
+				Version:   "4.0.11",
+				Type:      "binary",
+				PURL:      "pkg:generic/redis@4.0.11",
+				Locations: singleLocation("redis-server"),
+				Metadata: pkg.BinaryMetadata{
+					Classifier: "redis-binary",
+				},
+			},
+		},
+		{
+			name:       "positive-redis-5.0.0",
+			fixtureDir: "test-fixtures/classifiers/positive/redis-server-5.0.0",
+			expected: pkg.Package{
+				Name:      "redis",
+				Version:   "5.0.0",
+				Type:      "binary",
+				PURL:      "pkg:generic/redis@5.0.0",
+				Locations: singleLocation("redis-server"),
+				Metadata: pkg.BinaryMetadata{
+					Classifier: "redis-binary",
+				},
+			},
+		},
+		{
+			name:       "positive-redis-6.0.16",
+			fixtureDir: "test-fixtures/classifiers/positive/redis-server-6.0.16",
+			expected: pkg.Package{
+				Name:      "redis",
+				Version:   "6.0.16",
+				Type:      "binary",
+				PURL:      "pkg:generic/redis@6.0.16",
+				Locations: singleLocation("redis-server"),
+				Metadata: pkg.BinaryMetadata{
+					Classifier: "redis-binary",
+				},
+			},
+		},
+		{
+			name:       "positive-redis-7.0.0",
+			fixtureDir: "test-fixtures/classifiers/positive/redis-server-7.0.0",
+			expected: pkg.Package{
+				Name:      "redis",
+				Version:   "7.0.0",
+				Type:      "binary",
+				PURL:      "pkg:generic/redis@7.0.0",
+				Locations: singleLocation("redis-server"),
+				Metadata: pkg.BinaryMetadata{
+					Classifier: "redis-binary",
+				},
+			},
+		},
 		{
 			name:       "positive-libpython3.7.so",
 			fixtureDir: "test-fixtures/classifiers/positive",

syft/pkg/cataloger/binary/default_classifiers.go

@@ -38,6 +38,15 @@ var defaultClassifiers = []classifier{
 		PURL:    mustPURL("pkg:generic/go@version"),
 		CPEs:    singleCPE("cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"),
 	},
+	{
+		Class:    "redis-binary",
+		FileGlob: "**/redis-server",
+		EvidenceMatcher: fileContentsVersionMatcher(
+			`(?s)payload %5.*(?P<version>\d.\d\.\d\d*?)[a-z0-9]{12}-[0-9]{19}`),
+		Package: "redis",
+		PURL:    mustPURL("pkg:generic/redis@version"),
+		CPEs:    singleCPE("cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:*"),
+	},
 	{
 		Class:    "java-binary-openjdk",
 		FileGlob: "**/java",