Create consul binary classifier (#1738)

* Create consul binary classifier

Closes #1590

Signed-off-by: Shane Dell <shanedell100@gmail.com>

* Create test for consul binary classifier

Signed-off-by: Shane Dell <shanedell100@gmail.com>

* Update version for consul. Add note that about consul version matcher is brittle

Signed-off-by: Shane Dell <shanedell100@gmail.com>

---------

Signed-off-by: Shane Dell <shanedell100@gmail.com>

syft/pkg/cataloger/binary/cataloger_test.go

@@ -714,6 +714,18 @@ func Test_Cataloger_DefaultClassifiers_PositiveCases(t *testing.T) {
 				Metadata:  metadata("ruby-binary"),
 			},
 		},
+		{
+			name:       "positive-consul-1.15.2",
+			fixtureDir: "test-fixtures/classifiers/dynamic/consul-1.15.2",
+			expected: pkg.Package{
+				Name:      "consul",
+				Version:   "1.15.2",
+				Type:      "binary",
+				PURL:      "pkg:golang/github.com/hashicorp/consul@1.15.2",
+				Locations: locations("consul"),
+				Metadata:  metadata("consul-binary"),
+			},
+		},
 	}
 
 	for _, test := range tests {

syft/pkg/cataloger/binary/default_classifiers.go

@@ -270,6 +270,17 @@ var defaultClassifiers = []classifier{
 		PURL:    mustPURL("pkg:generic/ruby@version"),
 		CPEs:    singleCPE("cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*"),
 	},
+	{
+		Class:    "consul-binary",
+		FileGlob: "**/consul",
+		EvidenceMatcher: fileContentsVersionMatcher(
+			// NOTE: This is brittle and may not work for past or future versions
+			`CONSUL_VERSION: (?P<version>\d+\.\d+\.\d+)`,
+		),
+		Package: "consul",
+		PURL:    mustPURL("pkg:golang/github.com/hashicorp/consul@version"),
+		CPEs:    singleCPE("cpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*"),
+	},
 }
 
 // in both binaries and shared libraries, the version pattern is [NUL]3.11.2[NUL]

syft/pkg/cataloger/binary/test-fixtures/Makefile

@@ -15,7 +15,9 @@ all: \
 	classifiers/dynamic/kubectl-1.25.7 \
 	classifiers/dynamic/kubectl-1.26.2 \
 	classifiers/dynamic/kustomize-4.5.7 \
-	classifiers/dynamic/kustomize-5.0.0
+	classifiers/dynamic/kustomize-5.0.0 \
+	classifiers/dynamic/consul-1.15.2
+
 
 
 classifiers/dynamic/python-binary-shared-lib-3.11:
@@ -141,6 +143,12 @@ classifiers/dynamic/kustomize-5.0.0:
 		/usr/local/bin/kustomize \
 		$@/kustomize
 
+classifiers/dynamic/consul-1.15.2:
+	$(eval $@_image := "hashicorp/consul:1.15.2@sha256:c2169f3bb18dd947ae8eb5f6766896695c71fb439f050a3343e0007d895615b8")
+	./get-image-file.sh $($@_image) \
+		/bin/consul \
+		$@/consul
+
 .PHONY: clean
 clean:
 	rm -rf classifiers/dynamic