support msrc types

Signed-off-by: Alfredo Deza <adeza@anchore.com>

syft/distro/type.go

@@ -18,6 +18,7 @@ const (
 	ArchLinux         Type = "archlinux"
 	OpenSuseLeap      Type = "opensuseleap"
 	Photon            Type = "photon"
+	Windows           Type = "windows"
 )
 
 // All contains all Linux distribution options
@@ -34,6 +35,7 @@ var All = []Type{
 	ArchLinux,
 	OpenSuseLeap,
 	Photon,
+	Windows,
 }
 
 // IDMapping connects a distro ID like "ubuntu" to a Distro type
@@ -50,6 +52,7 @@ var IDMapping = map[string]Type{
 	"arch":          ArchLinux,
 	"opensuse-leap": OpenSuseLeap,
 	"photon":        Photon,
+	"windows":       Windows,
 }
 
 // String returns the string representation of the given Linux distribution.

syft/pkg/kb_package_metadata.go

@@ -0,0 +1,11 @@
+package pkg
+
+// KbPackageMetadata is slightly odd in how it is expected to map onto data.
+// This is critical to grasp because there is no MSRC cataloger. The `ProductID`
+// field is expected to be the MSRC Product ID, for example:
+// "Windows 10 Version 1703 for 32-bit Systems".
+// `Kb` is expected to be the actual KB number, for example "5001028"
+type KbPackageMetadata struct {
+	ProductID string `toml:"product_id" json:"product_id"`
+	Kb        string `toml:"kb" json:"kb"`
+}

syft/pkg/metadata.go

@@ -14,4 +14,5 @@ const (
 	RpmdbMetadataType            MetadataType = "RpmdbMetadata"
 	PythonPackageMetadataType    MetadataType = "PythonPackageMetadata"
 	RustCargoPackageMetadataType MetadataType = "RustCargoPackageMetadata"
+	KbPackageMetadataType        MetadataType = "KbPackageMetadata"
 )

syft/pkg/type.go

@@ -18,6 +18,7 @@ const (
 	JenkinsPluginPkg Type = "jenkins-plugin"
 	GoModulePkg      Type = "go-module"
 	RustPkg          Type = "rust-crate"
+	KbPkg            Type = "msrc-kb"
 )
 
 // AllPkgs represents all supported package types
@@ -32,6 +33,7 @@ var AllPkgs = []Type{
 	JenkinsPluginPkg,
 	GoModulePkg,
 	RustPkg,
+	KbPkg,
 }
 
 // PackageURLType returns the PURL package type for the current package.