Add support for storing RDP licenses from Windows Desktops

.github/workflows/dependency-review.yaml

@@ -18,13 +18,21 @@ jobs:
       allow-ghsas: 'GHSA-6xf3-5hp7-xqqg'
       # IronRDP uses MIT/Apache-2.0 but slashes are not recognized by dependency review action
       allow-dependencies-licenses: >-
+        pkg:cargo/ironrdp-cliprdr,
         pkg:cargo/ironrdp-core,
         pkg:cargo/ironrdp-async,
         pkg:cargo/ironrdp-connector,
+        pkg:cargo/ironrdp-displaycontrol,
+        pkg:cargo/ironrdp-dvc,
+        pkg:cargo/ironrdp-error,
+        pkg:cargo/ironrdp-graphics,
         pkg:cargo/ironrdp-pdu,
+        pkg:cargo/ironrdp-rdpdr,
+        pkg:cargo/ironrdp-rdpsnd,
         pkg:cargo/ironrdp-session,
         pkg:cargo/ironrdp-svc,
         pkg:cargo/ironrdp-tokio,
+        pkg:cargo/ironrdp-tls,
         pkg:cargo/asn1-rs,
         pkg:cargo/asn1-rs-derive,
         pkg:cargo/asn1-rs-impl,

Cargo.toml

@@ -21,18 +21,18 @@ lto = "thin"
 [workspace.dependencies]
 # Note: To use a local IronRDP repository as a crate (for example, ironrdp-cliprdr), define the dependency as follows:
 # ironrdp-cliprdr = { path = "/path/to/local/IronRDP/crates/ironrdp-cliprdr" }
-ironrdp-cliprdr = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-connector = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-core = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-displaycontrol = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-dvc = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-graphics = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-pdu = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-rdpdr = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-rdpsnd = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-session = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-svc = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
-ironrdp-tls = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73", features = [
+ironrdp-cliprdr = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-connector = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-core = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-displaycontrol = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-dvc = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-graphics = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-pdu = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-rdpdr = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-rdpsnd = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-session = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-svc = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }
+ironrdp-tls = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2", features = [
     "rustls",
 ] }
-ironrdp-tokio = { git = "https://github.com/Devolutions/IronRDP", rev = "2f57fd2de320f58fe240d88a83519255ba94cb73" }
+ironrdp-tokio = { git = "https://github.com/Devolutions/IronRDP", rev = "dd221bf22401c4635798ec012724cba7e6d503b2" }

api/types/desktop.go

@@ -543,3 +543,11 @@ func checkNameAndScreenSize(name string, screenSize *Resolution) error {
 	}
 	return nil
 }
+
+// RDPLicenseKey is struct for retrieving licenses from backend cache, used only internally
+type RDPLicenseKey struct {
+	Version   uint32 // e.g. 0x000a0002
+	Issuer    string // e.g. example.com
+	Company   string // e.g. Example Corporation
+	ProductID string // e.g. A02
+}

lib/auth/storage/storage.go

@@ -27,7 +27,9 @@ package storage
 import (
 	"context"
 	"encoding/json"
+	"strconv"
 	"strings"
+	"time"
 
 	"github.com/coreos/go-semver/semver"
 	"github.com/gravitational/trace"
@@ -233,6 +235,42 @@ func (p *ProcessStorage) WriteTeleportVersion(ctx context.Context, version *semv
 	return nil
 }
 
+func rdpLicenseKey(key *types.RDPLicenseKey) backend.Key {
+	return backend.NewKey("rdplicense", key.Issuer, strconv.Itoa(int(key.Version)), key.Company, key.ProductID)
+}
+
+type rdpLicense struct {
+	Data []byte `json:"data"`
+}
+
+// WriteRDPLicense writes an RDP license to local storage.
+func (p *ProcessStorage) WriteRDPLicense(ctx context.Context, key *types.RDPLicenseKey, license []byte) error {
+	value, err := json.Marshal(rdpLicense{Data: license})
+	if err != nil {
+		return trace.Wrap(err)
+	}
+	item := backend.Item{
+		Key:     rdpLicenseKey(key),
+		Value:   value,
+		Expires: p.BackendStorage.Clock().Now().Add(28 * 24 * time.Hour),
+	}
+	_, err = p.stateStorage.Put(ctx, item)
+	return trace.Wrap(err)
+}
+
+// ReadRDPLicense reads a previously obtained license from storage.
+func (p *ProcessStorage) ReadRDPLicense(ctx context.Context, key *types.RDPLicenseKey) ([]byte, error) {
+	item, err := p.stateStorage.Get(ctx, rdpLicenseKey(key))
+	if err != nil {
+		return nil, trace.Wrap(err)
+	}
+	license := rdpLicense{}
+	if err := json.Unmarshal(item.Value, &license); err != nil {
+		return nil, trace.Wrap(err)
+	}
+	return license.Data, nil
+}
+
 // ReadLocalIdentity reads, parses and returns the given pub/pri key + cert from the
 // key storage (dataDir).
 func ReadLocalIdentity(dataDir string, id state.IdentityID) (*state.Identity, error) {

lib/auth/storage/storage_test.go

@@ -0,0 +1,72 @@
+// Teleport
+// Copyright (C) 2025 Gravitational, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package storage
+
+import (
+	"context"
+	"testing"
+
+	"github.com/gravitational/trace"
+	"github.com/stretchr/testify/require"
+
+	"github.com/gravitational/teleport/api/types"
+	"github.com/gravitational/teleport/lib/backend/memory"
+)
+
+func TestRDPLicense(t *testing.T) {
+	ctx := context.Background()
+	mem, err := memory.New(memory.Config{})
+	require.NoError(t, err)
+	storage := ProcessStorage{
+		BackendStorage: mem,
+		stateStorage:   mem,
+	}
+
+	_, err = storage.ReadRDPLicense(ctx, &types.RDPLicenseKey{
+		Version:   1,
+		Issuer:    "issuer",
+		Company:   "company",
+		ProductID: "productID",
+	})
+	require.True(t, trace.IsNotFound(err))
+
+	licenseData := []byte{1, 2, 3}
+	err = storage.WriteRDPLicense(ctx, &types.RDPLicenseKey{
+		Version:   1,
+		Issuer:    "issuer",
+		Company:   "company",
+		ProductID: "productID",
+	}, licenseData)
+	require.NoError(t, err)
+
+	_, err = storage.ReadRDPLicense(ctx, &types.RDPLicenseKey{
+		Version:   2,
+		Issuer:    "issuer",
+		Company:   "company",
+		ProductID: "productID",
+	})
+	require.True(t, trace.IsNotFound(err))
+
+	license, err := storage.ReadRDPLicense(ctx, &types.RDPLicenseKey{
+		Version:   1,
+		Issuer:    "issuer",
+		Company:   "company",
+		ProductID: "productID",
+	})
+	require.NoError(t, err)
+	require.Equal(t, licenseData, license)
+}

lib/service/desktop.go

@@ -210,6 +210,7 @@ func (process *TeleportProcess) initWindowsDesktopServiceRegistered(logger *slog
 
 	srv, err := desktop.NewWindowsService(desktop.WindowsServiceConfig{
 		DataDir:      process.Config.DataDir,
+		LicenseStore: process.storage,
 		Logger:       process.logger.With(teleport.ComponentKey, teleport.Component(teleport.ComponentWindowsDesktop, process.id)),
 		Clock:        process.Clock,
 		Authorizer:   authorizer,