Active directory checks for deactivated user

Signed-off-by: Margo Crawford <margaretc@vmware.com>
2021-11-05 11:53:07 -07:00 · 2021-11-05 11:53:07 -07:00 · f62e9a2d33
parent da9b4620b3
commit f62e9a2d33
5 changed files with 166 additions and 16 deletions
--- a/internal/controller/supervisorconfig/activedirectoryupstreamwatcher/active_directory_upstream_watcher.go
+++ b/internal/controller/supervisorconfig/activedirectoryupstreamwatcher/active_directory_upstream_watcher.go
@ -317,7 +317,7 @@ func (c *activeDirectoryWatcherController) validateUpstream(ctx context.Context,
 		},
 		Dialer:                       c.ldapDialer,
 		UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-		RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+		RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 	}

 	if spec.GroupSearch.Attributes.GroupName == "" {
--- a/internal/controller/supervisorconfig/activedirectoryupstreamwatcher/active_directory_upstream_watcher_test.go
+++ b/internal/controller/supervisorconfig/activedirectoryupstreamwatcher/active_directory_upstream_watcher_test.go
@ -221,7 +221,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 			GroupNameAttribute: testGroupNameAttrName,
 		},
 		UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-		RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+		RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 	}

 	// Make a copy with targeted changes.
@ -538,7 +538,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -595,7 +595,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: "sAMAccountName",
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -655,7 +655,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -715,7 +715,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantErr: controllerlib.ErrSyntheticRequeue.Error(),
@ -774,7 +774,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -904,7 +904,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1029,7 +1029,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1081,7 +1081,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1282,7 +1282,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 					},
 					UIDAttributeParsingOverrides:   map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
 					GroupAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"sAMAccountName": upstreamldap.GroupSAMAccountNameWithDomainSuffix},
-					RefreshAttributeChecks:         map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:         map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1335,7 +1335,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1392,7 +1392,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1443,7 +1443,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
@ -1640,7 +1640,7 @@ func TestActiveDirectoryUpstreamWatcherControllerSync(t *testing.T) {
 						GroupNameAttribute: testGroupNameAttrName,
 					},
 					UIDAttributeParsingOverrides: map[string]func(*ldap.Entry) (string, error){"objectGUID": upstreamldap.MicrosoftUUIDFromBinary("objectGUID")},
-					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin},
+					RefreshAttributeChecks:       map[string]func(*ldap.Entry, provider.StoredRefreshAttributes) error{"pwdLastSet": upstreamldap.PwdUnchangedSinceLogin, "userAccountControl": upstreamldap.ValidUserAccountControl},
 				},
 			},
 			wantResultingUpstreams: []v1alpha1.ActiveDirectoryIdentityProvider{{
--- a/internal/upstreamldap/upstreamldap.go
+++ b/internal/upstreamldap/upstreamldap.go
@ -42,6 +42,7 @@ const (
 	defaultLDAPSPort                        = uint16(636)
 	sAMAccountNameAttribute                 = "sAMAccountName"
 	pwdLastSetAttribute                     = "pwdLastSet"
+	userAccountControlAttribute             = "userAccountControl"
 )

 // Conn abstracts the upstream LDAP communication protocol (mostly for testing).
@ -895,3 +896,16 @@ func win32timestampToTime(win32timestamp string) (*time.Time, error) {
 	convertedTime := time.Unix(unixsec, unixns).UTC()
 	return &convertedTime, nil
 }
+
+func ValidUserAccountControl(entry *ldap.Entry, _ provider.StoredRefreshAttributes) error {
+	userAccountControl, err := strconv.Atoi(entry.GetAttributeValue(userAccountControlAttribute))
+	if err != nil {
+		return err
+	}
+
+	deactivated := userAccountControl & 2 // bitwise and.
+	if deactivated != 0 {
+		return fmt.Errorf("user has been deactivated")
+	}
+	return nil
+}
--- a/internal/upstreamldap/upstreamldap_test.go
+++ b/internal/upstreamldap/upstreamldap_test.go
@ -2092,3 +2092,63 @@ func TestWin32TimestampToTime(t *testing.T) {
 		})
 	}
 }
+
+func TestValidUserAccountControl(t *testing.T) {
+	tests := []struct {
+		name    string
+		entry   *ldap.Entry
+		wantErr string
+	}{
+		{
+			name: "happy normal user",
+			entry: &ldap.Entry{
+				DN: "some-dn",
+				Attributes: []*ldap.EntryAttribute{
+					{
+						Name:   "userAccountControl",
+						Values: []string{"512"},
+					},
+				},
+			},
+		},
+		{
+			name: "happy user whose password doesn't expire",
+			entry: &ldap.Entry{
+				DN: "some-dn",
+				Attributes: []*ldap.EntryAttribute{
+					{
+						Name:   "userAccountControl",
+						Values: []string{"65536"},
+					},
+				},
+			},
+		},
+		{
+			name: "deactivated user",
+			entry: &ldap.Entry{
+				DN: "some-dn",
+				Attributes: []*ldap.EntryAttribute{
+					{
+						Name:   "userAccountControl",
+						Values: []string{"514"},
+					},
+				},
+			},
+			wantErr: "user has been deactivated",
+		},
+	}
+
+	for _, test := range tests {
+		tt := test
+		t.Run(tt.name, func(t *testing.T) {
+			err := ValidUserAccountControl(tt.entry, provider2.StoredRefreshAttributes{})
+
+			if tt.wantErr != "" {
+				require.Error(t, err)
+				require.Equal(t, tt.wantErr, err.Error())
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}
--- a/test/integration/supervisor_login_test.go
+++ b/test/integration/supervisor_login_test.go
@ -952,7 +952,69 @@ func TestSupervisorLogin(t *testing.T) {
 				)
 			},
 			breakRefreshSessionData: func(t *testing.T, sessionData *psession.PinnipedSession, _, username string) {
-				changeADTestUserPassword(t, env, username) // this will fail for now
+				changeADTestUserPassword(t, env, username)
+			},
+			// we can't know the subject ahead of time because we created a new user and don't know their uid,
+			// so skip wantDownstreamIDTokenSubjectToMatch
+			// the ID token Username should have been pulled from the requested UserSearch.Attributes.Username attribute
+			wantDownstreamIDTokenUsernameToMatch: func(username string) string {
+				return "^" + regexp.QuoteMeta(username+"@"+env.SupervisorUpstreamActiveDirectory.Domain) + "$"
+			},
+			wantDownstreamIDTokenGroups: []string{}, // none for now.
+		},
+		{
+			name: "active directory login fails after the user is deactivated",
+			maybeSkip: func(t *testing.T) {
+				t.Helper()
+				if len(env.ToolsNamespace) == 0 && !env.HasCapability(testlib.CanReachInternetLDAPPorts) {
+					t.Skip("LDAP integration test requires connectivity to an LDAP server")
+				}
+				if env.SupervisorUpstreamActiveDirectory.Host == "" {
+					t.Skip("Active Directory hostname not specified")
+				}
+			},
+			createIDP: func(t *testing.T) string {
+				t.Helper()
+				secret := testlib.CreateTestSecret(t, env.SupervisorNamespace, "ad-service-account", v1.SecretTypeBasicAuth,
+					map[string]string{
+						v1.BasicAuthUsernameKey: env.SupervisorUpstreamActiveDirectory.BindUsername,
+						v1.BasicAuthPasswordKey: env.SupervisorUpstreamActiveDirectory.BindPassword,
+					},
+				)
+				adIDP := testlib.CreateTestActiveDirectoryIdentityProvider(t, idpv1alpha1.ActiveDirectoryIdentityProviderSpec{
+					Host: env.SupervisorUpstreamActiveDirectory.Host,
+					TLS: &idpv1alpha1.TLSSpec{
+						CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(env.SupervisorUpstreamActiveDirectory.CABundle)),
+					},
+					Bind: idpv1alpha1.ActiveDirectoryIdentityProviderBind{
+						SecretName: secret.Name,
+					},
+				}, idpv1alpha1.ActiveDirectoryPhaseReady)
+				expectedMsg := fmt.Sprintf(
+					`successfully able to connect to "%s" and bind as user "%s" [validated with Secret "%s" at version "%s"]`,
+					env.SupervisorUpstreamActiveDirectory.Host, env.SupervisorUpstreamActiveDirectory.BindUsername,
+					secret.Name, secret.ResourceVersion,
+				)
+				requireSuccessfulActiveDirectoryIdentityProviderConditions(t, adIDP, expectedMsg)
+				return adIDP.Name
+			},
+			createTestUser: func(t *testing.T) (string, string) {
+				return createFreshADTestUser(t, env)
+			},
+			deleteTestUser: func(t *testing.T, username string) {
+				deleteTestADUser(t, env, username)
+			},
+			requestAuthorization: func(t *testing.T, downstreamAuthorizeURL, _, testUserName, testUserPassword string, httpClient *http.Client) {
+				requestAuthorizationUsingCLIPasswordFlow(t,
+					downstreamAuthorizeURL,
+					testUserName,     // username to present to server during login
+					testUserPassword, // password to present to server during login
+					httpClient,
+					false,
+				)
+			},
+			breakRefreshSessionData: func(t *testing.T, sessionData *psession.PinnipedSession, _, username string) {
+				deactivateADTestUser(t, env, username)
 			},
 			// we can't know the subject ahead of time because we created a new user and don't know their uid,
 			// so skip wantDownstreamIDTokenSubjectToMatch
@ -1729,6 +1791,20 @@ func createFreshADTestUser(t *testing.T, env *testlib.TestEnv) (string, string)
 	return testUserName, testUserPassword
 }

+// deactivate the test user's password
+func deactivateADTestUser(t *testing.T, env *testlib.TestEnv, testUserName string) {
+	conn := dialTLS(t, env)
+	// bind
+	err := conn.Bind(env.SupervisorUpstreamActiveDirectory.BindUsername, env.SupervisorUpstreamActiveDirectory.BindPassword)
+	require.NoError(t, err)
+
+	userDN := fmt.Sprintf("CN=%s,OU=test-users,%s", testUserName, env.SupervisorUpstreamActiveDirectory.UserSearchBase)
+	m := ldap.NewModifyRequest(userDN, []ldap.Control{})
+	m.Replace("userAccountControl", []string{"514"}) // normal user, account disabled
+	err = conn.Modify(m)
+	require.NoError(t, err)
+}
+
 // change the user's password to a new one.
 func changeADTestUserPassword(t *testing.T, env *testlib.TestEnv, testUserName string) {
 	conn := dialTLS(t, env)