package vault_test import ( "fmt" "io/ioutil" "os" "path/filepath" "testing" "time" "github.com/go-test/deep" "github.com/hashicorp/vault/api" "github.com/hashicorp/vault/builtin/plugin" "github.com/hashicorp/vault/helper/namespace" "github.com/hashicorp/vault/helper/pluginutil" vaulthttp "github.com/hashicorp/vault/http" "github.com/hashicorp/vault/logical" lplugin "github.com/hashicorp/vault/logical/plugin" "github.com/hashicorp/vault/logical/plugin/mock" "github.com/hashicorp/vault/vault" ) const ( expectedEnvKey = "FOO" expectedEnvValue = "BAR" ) func TestSystemBackend_Plugin_secret(t *testing.T) { cluster := testSystemBackendMock(t, 1, 1, logical.TypeLogical) defer cluster.Cleanup() core := cluster.Cores[0] // Make a request to lazy load the plugin req := logical.TestRequest(t, logical.ReadOperation, "mock-0/internal") req.ClientToken = core.Client.Token() resp, err := core.HandleRequest(namespace.RootContext(nil), req) if err != nil { t.Fatalf("err: %v", err) } if resp == nil { t.Fatalf("bad: response should not be nil") } // Seal the cluster cluster.EnsureCoresSealed(t) // Unseal the cluster barrierKeys := cluster.BarrierKeys for _, core := range cluster.Cores { for _, key := range barrierKeys { _, err := core.Unseal(vault.TestKeyCopy(key)) if err != nil { t.Fatal(err) } } if core.Sealed() { t.Fatal("should not be sealed") } // Wait for active so post-unseal takes place // If it fails, it means unseal process failed vault.TestWaitActive(t, core.Core) } } func TestSystemBackend_Plugin_auth(t *testing.T) { cluster := testSystemBackendMock(t, 1, 1, logical.TypeCredential) defer cluster.Cleanup() core := cluster.Cores[0] // Make a request to lazy load the plugin req := logical.TestRequest(t, logical.ReadOperation, "auth/mock-0/internal") req.ClientToken = core.Client.Token() resp, err := core.HandleRequest(namespace.RootContext(nil), req) if err != nil { t.Fatalf("err: %v", err) } if resp == nil { t.Fatalf("bad: response should not be nil") } // Seal the cluster cluster.EnsureCoresSealed(t) // Unseal the cluster barrierKeys := cluster.BarrierKeys for _, core := range cluster.Cores { for _, key := range barrierKeys { _, err := core.Unseal(vault.TestKeyCopy(key)) if err != nil { t.Fatal(err) } } if core.Sealed() { t.Fatal("should not be sealed") } // Wait for active so post-unseal takes place // If it fails, it means unseal process failed vault.TestWaitActive(t, core.Core) } } func TestSystemBackend_Plugin_MismatchType(t *testing.T) { cluster := testSystemBackendMock(t, 1, 1, logical.TypeLogical) defer cluster.Cleanup() core := cluster.Cores[0] // Replace the plugin with a credential backend vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainCredentials", []string{}, "") // Make a request to lazy load the now-credential plugin // and expect an error req := logical.TestRequest(t, logical.ReadOperation, "mock-0/internal") req.ClientToken = core.Client.Token() _, err := core.HandleRequest(namespace.RootContext(nil), req) if err == nil { t.Fatalf("expected error due to mismatch on error type: %s", err) } // Sleep a bit before cleanup is called time.Sleep(1 * time.Second) } func TestSystemBackend_Plugin_CatalogRemoved(t *testing.T) { t.Run("secret", func(t *testing.T) { testPlugin_CatalogRemoved(t, logical.TypeLogical, false) }) t.Run("auth", func(t *testing.T) { testPlugin_CatalogRemoved(t, logical.TypeCredential, false) }) t.Run("secret-mount-existing", func(t *testing.T) { testPlugin_CatalogRemoved(t, logical.TypeLogical, true) }) t.Run("auth-mount-existing", func(t *testing.T) { testPlugin_CatalogRemoved(t, logical.TypeCredential, true) }) } func testPlugin_CatalogRemoved(t *testing.T, btype logical.BackendType, testMount bool) { cluster := testSystemBackendMock(t, 1, 1, btype) defer cluster.Cleanup() core := cluster.Cores[0] // Remove the plugin from the catalog req := logical.TestRequest(t, logical.DeleteOperation, "sys/plugins/catalog/mock-plugin") req.ClientToken = core.Client.Token() resp, err := core.HandleRequest(namespace.RootContext(nil), req) if err != nil || (resp != nil && resp.IsError()) { t.Fatalf("err:%v resp:%#v", err, resp) } // Seal the cluster cluster.EnsureCoresSealed(t) // Unseal the cluster barrierKeys := cluster.BarrierKeys for _, core := range cluster.Cores { for _, key := range barrierKeys { _, err := core.Unseal(vault.TestKeyCopy(key)) if err != nil { t.Fatal(err) } } if core.Sealed() { t.Fatal("should not be sealed") } } // Wait for active so post-unseal takes place // If it fails, it means unseal process failed vault.TestWaitActive(t, core.Core) if testMount { // Mount the plugin at the same path after plugin is re-added to the catalog // and expect an error due to existing path. var err error switch btype { case logical.TypeLogical: // Add plugin back to the catalog vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainLogical", []string{}, "") _, err = core.Client.Logical().Write("sys/mounts/mock-0", map[string]interface{}{ "type": "plugin", "config": map[string]interface{}{ "plugin_name": "mock-plugin", }, }) case logical.TypeCredential: // Add plugin back to the catalog vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainCredentials", []string{}, "") _, err = core.Client.Logical().Write("sys/auth/mock-0", map[string]interface{}{ "type": "plugin", "plugin_name": "mock-plugin", }) } if err == nil { t.Fatal("expected error when mounting on existing path") } } } func TestSystemBackend_Plugin_continueOnError(t *testing.T) { t.Run("secret", func(t *testing.T) { t.Run("sha256_mismatch", func(t *testing.T) { testPlugin_continueOnError(t, logical.TypeLogical, true) }) t.Run("missing_plugin", func(t *testing.T) { testPlugin_continueOnError(t, logical.TypeLogical, false) }) }) t.Run("auth", func(t *testing.T) { t.Run("sha256_mismatch", func(t *testing.T) { testPlugin_continueOnError(t, logical.TypeCredential, true) }) t.Run("missing_plugin", func(t *testing.T) { testPlugin_continueOnError(t, logical.TypeCredential, false) }) }) } func testPlugin_continueOnError(t *testing.T, btype logical.BackendType, mismatch bool) { cluster := testSystemBackendMock(t, 1, 1, btype) defer cluster.Cleanup() core := cluster.Cores[0] // Get the registered plugin req := logical.TestRequest(t, logical.ReadOperation, "sys/plugins/catalog/mock-plugin") req.ClientToken = core.Client.Token() resp, err := core.HandleRequest(namespace.RootContext(nil), req) if err != nil || resp == nil || (resp != nil && resp.IsError()) { t.Fatalf("err:%v resp:%#v", err, resp) } command, ok := resp.Data["command"].(string) if !ok || command == "" { t.Fatal("invalid command") } // Trigger a sha256 mismatch or missing plugin error if mismatch { req = logical.TestRequest(t, logical.UpdateOperation, "sys/plugins/catalog/mock-plugin") req.Data = map[string]interface{}{ "sha256": "d17bd7334758e53e6fbab15745d2520765c06e296f2ce8e25b7919effa0ac216", "command": filepath.Base(command), } req.ClientToken = core.Client.Token() resp, err = core.HandleRequest(namespace.RootContext(nil), req) if err != nil || (resp != nil && resp.IsError()) { t.Fatalf("err:%v resp:%#v", err, resp) } } else { err := os.Remove(filepath.Join(cluster.TempDir, filepath.Base(command))) if err != nil { t.Fatal(err) } } // Seal the cluster cluster.EnsureCoresSealed(t) // Unseal the cluster barrierKeys := cluster.BarrierKeys for _, core := range cluster.Cores { for _, key := range barrierKeys { _, err := core.Unseal(vault.TestKeyCopy(key)) if err != nil { t.Fatal(err) } } if core.Sealed() { t.Fatal("should not be sealed") } } // Wait for active so post-unseal takes place // If it fails, it means unseal process failed vault.TestWaitActive(t, core.Core) // Re-add the plugin to the catalog switch btype { case logical.TypeLogical: vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainLogical", []string{}, cluster.TempDir) case logical.TypeCredential: vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainCredentials", []string{}, cluster.TempDir) } // Reload the plugin req = logical.TestRequest(t, logical.UpdateOperation, "sys/plugins/reload/backend") req.Data = map[string]interface{}{ "plugin": "mock-plugin", } req.ClientToken = core.Client.Token() resp, err = core.HandleRequest(namespace.RootContext(nil), req) if err != nil || (resp != nil && resp.IsError()) { t.Fatalf("err:%v resp:%#v", err, resp) } // Make a request to lazy load the plugin var reqPath string switch btype { case logical.TypeLogical: reqPath = "mock-0/internal" case logical.TypeCredential: reqPath = "auth/mock-0/internal" } req = logical.TestRequest(t, logical.ReadOperation, reqPath) req.ClientToken = core.Client.Token() resp, err = core.HandleRequest(namespace.RootContext(nil), req) if err != nil { t.Fatalf("err: %v", err) } if resp == nil { t.Fatalf("bad: response should not be nil") } } func TestSystemBackend_Plugin_autoReload(t *testing.T) { cluster := testSystemBackendMock(t, 1, 1, logical.TypeLogical) defer cluster.Cleanup() core := cluster.Cores[0] // Update internal value req := logical.TestRequest(t, logical.UpdateOperation, "mock-0/internal") req.ClientToken = core.Client.Token() req.Data["value"] = "baz" resp, err := core.HandleRequest(namespace.RootContext(nil), req) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } // Call errors/rpc endpoint to trigger reload req = logical.TestRequest(t, logical.ReadOperation, "mock-0/errors/rpc") req.ClientToken = core.Client.Token() resp, err = core.HandleRequest(namespace.RootContext(nil), req) if err == nil { t.Fatalf("expected error from error/rpc request") } // Check internal value to make sure it's reset req = logical.TestRequest(t, logical.ReadOperation, "mock-0/internal") req.ClientToken = core.Client.Token() resp, err = core.HandleRequest(namespace.RootContext(nil), req) if err != nil { t.Fatalf("err: %v", err) } if resp == nil { t.Fatalf("bad: response should not be nil") } if resp.Data["value"].(string) == "baz" { t.Fatal("did not expect backend internal value to be 'baz'") } } func TestSystemBackend_Plugin_SealUnseal(t *testing.T) { cluster := testSystemBackendMock(t, 1, 1, logical.TypeLogical) defer cluster.Cleanup() // Seal the cluster cluster.EnsureCoresSealed(t) // Unseal the cluster barrierKeys := cluster.BarrierKeys for _, core := range cluster.Cores { for _, key := range barrierKeys { _, err := core.Unseal(vault.TestKeyCopy(key)) if err != nil { t.Fatal(err) } } if core.Sealed() { t.Fatal("should not be sealed") } } // Wait for active so post-unseal takes place // If it fails, it means unseal process failed vault.TestWaitActive(t, cluster.Cores[0].Core) } func TestSystemBackend_Plugin_reload(t *testing.T) { data := map[string]interface{}{ "plugin": "mock-plugin", } t.Run("plugin", func(t *testing.T) { testSystemBackend_PluginReload(t, data) }) data = map[string]interface{}{ "mounts": "mock-0/,mock-1/", } t.Run("mounts", func(t *testing.T) { testSystemBackend_PluginReload(t, data) }) } // Helper func to test different reload methods on plugin reload endpoint func testSystemBackend_PluginReload(t *testing.T, reqData map[string]interface{}) { cluster := testSystemBackendMock(t, 1, 2, logical.TypeLogical) defer cluster.Cleanup() core := cluster.Cores[0] client := core.Client for i := 0; i < 2; i++ { // Update internal value in the backend resp, err := client.Logical().Write(fmt.Sprintf("mock-%d/internal", i), map[string]interface{}{ "value": "baz", }) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } } // Perform plugin reload resp, err := client.Logical().Write("sys/plugins/reload/backend", reqData) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } for i := 0; i < 2; i++ { // Ensure internal backed value is reset resp, err := client.Logical().Read(fmt.Sprintf("mock-%d/internal", i)) if err != nil { t.Fatalf("err: %v", err) } if resp == nil { t.Fatalf("bad: response should not be nil") } if resp.Data["value"].(string) == "baz" { t.Fatal("did not expect backend internal value to be 'baz'") } } } // testSystemBackendMock returns a systemBackend with the desired number // of mounted mock plugin backends. numMounts alternates between different // ways of providing the plugin_name. // // The mounts are mounted at sys/mounts/mock-[numMounts] or sys/auth/mock-[numMounts] func testSystemBackendMock(t *testing.T, numCores, numMounts int, backendType logical.BackendType) *vault.TestCluster { coreConfig := &vault.CoreConfig{ LogicalBackends: map[string]logical.Factory{ "plugin": plugin.Factory, }, CredentialBackends: map[string]logical.Factory{ "plugin": plugin.Factory, }, } // Create a tempdir, cluster.Cleanup will clean up this directory tempDir, err := ioutil.TempDir("", "vault-test-cluster") if err != nil { t.Fatal(err) } cluster := vault.NewTestCluster(t, coreConfig, &vault.TestClusterOptions{ HandlerFunc: vaulthttp.Handler, KeepStandbysSealed: true, NumCores: numCores, TempDir: tempDir, }) cluster.Start() core := cluster.Cores[0] vault.TestWaitActive(t, core.Core) client := core.Client os.Setenv(pluginutil.PluginCACertPEMEnv, cluster.CACertPEMFile) switch backendType { case logical.TypeLogical: vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainLogical", []string{}, tempDir) for i := 0; i < numMounts; i++ { // Alternate input styles for plugin_name on every other mount options := map[string]interface{}{ "type": "plugin", } if (i+1)%2 == 0 { options["config"] = map[string]interface{}{ "plugin_name": "mock-plugin", } } else { options["plugin_name"] = "mock-plugin" } resp, err := client.Logical().Write(fmt.Sprintf("sys/mounts/mock-%d", i), options) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } } case logical.TypeCredential: vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainCredentials", []string{}, tempDir) for i := 0; i < numMounts; i++ { // Alternate input styles for plugin_name on every other mount options := map[string]interface{}{ "type": "plugin", } if (i+1)%2 == 0 { options["config"] = map[string]interface{}{ "plugin_name": "mock-plugin", } } else { options["plugin_name"] = "mock-plugin" } resp, err := client.Logical().Write(fmt.Sprintf("sys/auth/mock-%d", i), options) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } } default: t.Fatal("unknown backend type provided") } return cluster } func TestSystemBackend_Plugin_Env(t *testing.T) { kvPair := fmt.Sprintf("%s=%s", expectedEnvKey, expectedEnvValue) cluster := testSystemBackend_SingleCluster_Env(t, []string{kvPair}) defer cluster.Cleanup() } // testSystemBackend_SingleCluster_Env is a helper func that returns a single // cluster and a single mounted plugin logical backend. func testSystemBackend_SingleCluster_Env(t *testing.T, env []string) *vault.TestCluster { coreConfig := &vault.CoreConfig{ LogicalBackends: map[string]logical.Factory{ "plugin": plugin.Factory, }, } // Create a tempdir, cluster.Cleanup will clean up this directory tempDir, err := ioutil.TempDir("", "vault-test-cluster") if err != nil { t.Fatal(err) } cluster := vault.NewTestCluster(t, coreConfig, &vault.TestClusterOptions{ HandlerFunc: vaulthttp.Handler, KeepStandbysSealed: true, NumCores: 1, TempDir: tempDir, }) cluster.Start() core := cluster.Cores[0] vault.TestWaitActive(t, core.Core) client := core.Client os.Setenv(pluginutil.PluginCACertPEMEnv, cluster.CACertPEMFile) vault.TestAddTestPlugin(t, core.Core, "mock-plugin", "TestBackend_PluginMainEnv", env, tempDir) options := map[string]interface{}{ "type": "plugin", "plugin_name": "mock-plugin", } resp, err := client.Logical().Write("sys/mounts/mock", options) if err != nil { t.Fatalf("err: %v", err) } if resp != nil { t.Fatalf("bad: %v", resp) } return cluster } func TestBackend_PluginMainLogical(t *testing.T) { args := []string{} if os.Getenv(pluginutil.PluginUnwrapTokenEnv) == "" && os.Getenv(pluginutil.PluginMetadataModeEnv) != "true" { return } caPEM := os.Getenv(pluginutil.PluginCACertPEMEnv) if caPEM == "" { t.Fatal("CA cert not passed in") } args = append(args, fmt.Sprintf("--ca-cert=%s", caPEM)) apiClientMeta := &pluginutil.APIClientMeta{} flags := apiClientMeta.FlagSet() flags.Parse(args) tlsConfig := apiClientMeta.GetTLSConfig() tlsProviderFunc := pluginutil.VaultPluginTLSProvider(tlsConfig) factoryFunc := mock.FactoryType(logical.TypeLogical) err := lplugin.Serve(&lplugin.ServeOpts{ BackendFactoryFunc: factoryFunc, TLSProviderFunc: tlsProviderFunc, }) if err != nil { t.Fatal(err) } } func TestBackend_PluginMainCredentials(t *testing.T) { args := []string{} if os.Getenv(pluginutil.PluginUnwrapTokenEnv) == "" && os.Getenv(pluginutil.PluginMetadataModeEnv) != "true" { return } caPEM := os.Getenv(pluginutil.PluginCACertPEMEnv) if caPEM == "" { t.Fatal("CA cert not passed in") } args = append(args, fmt.Sprintf("--ca-cert=%s", caPEM)) apiClientMeta := &pluginutil.APIClientMeta{} flags := apiClientMeta.FlagSet() flags.Parse(args) tlsConfig := apiClientMeta.GetTLSConfig() tlsProviderFunc := pluginutil.VaultPluginTLSProvider(tlsConfig) factoryFunc := mock.FactoryType(logical.TypeCredential) err := lplugin.Serve(&lplugin.ServeOpts{ BackendFactoryFunc: factoryFunc, TLSProviderFunc: tlsProviderFunc, }) if err != nil { t.Fatal(err) } } // TestBackend_PluginMainEnv is a mock plugin that simply checks for the existence of FOO env var. func TestBackend_PluginMainEnv(t *testing.T) { args := []string{} if os.Getenv(pluginutil.PluginUnwrapTokenEnv) == "" && os.Getenv(pluginutil.PluginMetadataModeEnv) != "true" { return } // Check on actual vs expected env var actual := os.Getenv(expectedEnvKey) if actual != expectedEnvValue { t.Fatalf("expected: %q, got: %q", expectedEnvValue, actual) } caPEM := os.Getenv(pluginutil.PluginCACertPEMEnv) if caPEM == "" { t.Fatal("CA cert not passed in") } args = append(args, fmt.Sprintf("--ca-cert=%s", caPEM)) apiClientMeta := &pluginutil.APIClientMeta{} flags := apiClientMeta.FlagSet() flags.Parse(args) tlsConfig := apiClientMeta.GetTLSConfig() tlsProviderFunc := pluginutil.VaultPluginTLSProvider(tlsConfig) factoryFunc := mock.FactoryType(logical.TypeLogical) err := lplugin.Serve(&lplugin.ServeOpts{ BackendFactoryFunc: factoryFunc, TLSProviderFunc: tlsProviderFunc, }) if err != nil { t.Fatal(err) } } func TestSystemBackend_InternalUIResultantACL(t *testing.T) { cluster := vault.NewTestCluster(t, nil, &vault.TestClusterOptions{ HandlerFunc: vaulthttp.Handler, }) cluster.Start() defer cluster.Cleanup() client := cluster.Cores[0].Client resp, err := client.Auth().Token().Create(&api.TokenCreateRequest{ Policies: []string{"default"}, }) if err != nil { t.Fatal(err) } if resp == nil { t.Fatal("nil response") } if resp.Auth == nil { t.Fatal("nil auth") } if resp.Auth.ClientToken == "" { t.Fatal("empty client token") } client.SetToken(resp.Auth.ClientToken) resp, err = client.Logical().Read("sys/internal/ui/resultant-acl") if err != nil { t.Fatal(err) } if resp == nil { t.Fatal("nil response") } if resp.Data == nil { t.Fatal("nil data") } exp := map[string]interface{}{ "exact_paths": map[string]interface{}{ "auth/token/lookup-self": map[string]interface{}{ "capabilities": []interface{}{ "read", }, }, "auth/token/renew-self": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "auth/token/revoke-self": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/capabilities-self": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/control-group/request": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/internal/ui/resultant-acl": map[string]interface{}{ "capabilities": []interface{}{ "read", }, }, "sys/leases/lookup": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/leases/renew": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/renew": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/tools/hash": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/tools/random": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/wrapping/lookup": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/wrapping/unwrap": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/wrapping/wrap": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, }, "glob_paths": map[string]interface{}{ "cubbyhole/": map[string]interface{}{ "capabilities": []interface{}{ "create", "delete", "list", "read", "update", }, }, "sys/tools/hash/": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, "sys/tools/random/": map[string]interface{}{ "capabilities": []interface{}{ "update", }, }, }, "root": false, } if diff := deep.Equal(resp.Data, exp); diff != nil { t.Fatal(diff) } }