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/*
*
* Copyright (c) 2022 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// module headers
#import <Matter/Matter.h>
#import "MTRErrorTestUtils.h"
#import "MTRTestKeys.h"
#import "MTRTestResetCommissioneeHelper.h"
#import "MTRTestStorage.h"
// system dependencies
#import <XCTest/XCTest.h>
static const uint16_t kPairingTimeoutInSeconds = 10;
static const uint16_t kTimeoutInSeconds = 3;
static const uint64_t kDeviceId = 0x12341234;
static const uint64_t kControllerId = 0x56788765;
static NSString * kOnboardingPayload = @"MT:-24J0AFN00KA0648G00";
static const uint16_t kLocalPort = 5541;
static const uint16_t kTestVendorId = 0xFFF1u;
static MTRBaseDevice * sConnectedDevice;
// Singleton controller we use.
static MTRDeviceController * sController = nil;
@interface MTRCertificateValidityTestControllerDelegate : NSObject <MTRDeviceControllerDelegate>
@property (nonatomic, readonly) XCTestExpectation * expectation;
@property (nonatomic, readonly) NSNumber * commissioneeNodeID;
@end
@implementation MTRCertificateValidityTestControllerDelegate
- (id)initWithExpectation:(XCTestExpectation *)expectation commissioneeNodeID:(NSNumber *)nodeID
{
self = [super init];
if (self) {
_expectation = expectation;
_commissioneeNodeID = nodeID;
}
return self;
}
- (void)controller:(MTRDeviceController *)controller commissioningSessionEstablishmentDone:(NSError * _Nullable)error
{
XCTAssertEqual(error.code, 0);
NSError * commissionError = nil;
[sController commissionNodeWithID:self.commissioneeNodeID
commissioningParams:[[MTRCommissioningParameters alloc] init]
error:&commissionError];
XCTAssertNil(commissionError);
// Keep waiting for onCommissioningComplete
}
- (void)controller:(MTRDeviceController *)controller commissioningComplete:(NSError *)error
{
XCTAssertEqual(error.code, 0);
[_expectation fulfill];
_expectation = nil;
}
@end
@interface MTRTestCertificateIssuer : NSObject <MTROperationalCertificateIssuer>
@property (nonatomic, readonly) MTRTestKeys * rootKey;
@property (nonatomic, copy, readonly) MTRCertificateDERBytes rootCertificate;
@property (nonatomic, copy, readonly) NSDateInterval * validityPeriod;
@property (nonatomic, copy, readonly) NSNumber * fabricID;
@property (nonatomic, readonly) BOOL shouldSkipAttestationCertificateValidation;
- (nullable instancetype)initWithRootKey:(MTRTestKeys *)key
fabricID:(NSNumber *)fabricID
validityPeriod:(NSDateInterval *)validityPeriod;
- (nullable MTRCertificateDERBytes)issueOperationalCertificateForNode:(NSNumber *)nodeID
operationalPublicKey:(SecKeyRef)operationalPublicKey;
- (void)issueOperationalCertificateForRequest:(MTROperationalCSRInfo *)csrInfo
attestationInfo:(MTRDeviceAttestationInfo *)attestationInfo
controller:(MTRDeviceController *)controller
completion:(void (^)(MTROperationalCertificateChain * _Nullable info,
NSError * _Nullable error))completion;
@end
@implementation MTRTestCertificateIssuer
- (nullable instancetype)initWithRootKey:(MTRTestKeys *)key
fabricID:(NSNumber *)fabricID
validityPeriod:(NSDateInterval *)validityPeriod
{
if (!(self = [super init])) {
return nil;
}
NSError * error;
__auto_type * rootCertificate = [MTRCertificates createRootCertificate:key
issuerID:nil
fabricID:fabricID
validityPeriod:validityPeriod
error:&error];
XCTAssertNil(error);
XCTAssertNotNil(rootCertificate);
if (rootCertificate == nil) {
return nil;
}
_validityPeriod = validityPeriod;
_rootCertificate = rootCertificate;
_rootKey = key;
_fabricID = fabricID;
_shouldSkipAttestationCertificateValidation = NO;
return self;
}
- (nullable MTRCertificateDERBytes)issueOperationalCertificateForNode:(NSNumber *)nodeID
operationalPublicKey:(SecKeyRef)operationalPublicKey
{
return [MTRCertificates createOperationalCertificate:self.rootKey
signingCertificate:self.rootCertificate
operationalPublicKey:operationalPublicKey
fabricID:self.fabricID
nodeID:nodeID
caseAuthenticatedTags:nil
validityPeriod:self.validityPeriod
error:nil];
}
- (void)issueOperationalCertificateForRequest:(MTROperationalCSRInfo *)csrInfo
attestationInfo:(MTRDeviceAttestationInfo *)attestationInfo
controller:(MTRDeviceController *)controller
completion:(void (^)(MTROperationalCertificateChain * _Nullable info,
NSError * _Nullable error))completion
{
NSError * error;
__auto_type * publicKey = [MTRCertificates publicKeyFromCSR:csrInfo.csr error:&error];
XCTAssertNil(error);
XCTAssertNotNil(publicKey);
NSDictionary * attributes =
@{ (id) kSecAttrKeyType : (id) kSecAttrKeyTypeECSECPrimeRandom, (id) kSecAttrKeyClass : (id) kSecAttrKeyClassPublic };
CFErrorRef keyCreationError = NULL;
SecKeyRef operationalPublicKey
= SecKeyCreateWithData((__bridge CFDataRef) publicKey, (__bridge CFDictionaryRef) attributes, &keyCreationError);
XCTAssertNotNil((__bridge id) operationalPublicKey);
XCTAssertNil((__bridge id) keyCreationError);
__auto_type * operationalCertificate = [self issueOperationalCertificateForNode:@(kDeviceId)
operationalPublicKey:operationalPublicKey];
XCTAssertNotNil(operationalCertificate);
__auto_type * certChain = [[MTROperationalCertificateChain alloc] initWithOperationalCertificate:operationalCertificate
intermediateCertificate:nil
rootCertificate:self.rootCertificate
adminSubject:nil];
XCTAssertNotNil(certChain);
completion(certChain, nil);
}
@end
@interface MTRTestExpiredCertificateIssuer : MTRTestCertificateIssuer
- (nullable instancetype)initWithRootKey:(MTRTestKeys *)key fabricID:(NSNumber *)fabricID;
@end
@implementation MTRTestExpiredCertificateIssuer
- (nullable instancetype)initWithRootKey:(MTRTestKeys *)key fabricID:(NSNumber *)fabricID
{
// Ensure oldDate is before newDate and both are in the past.
__auto_type * oldDate = [NSDate dateWithTimeIntervalSinceNow:-5];
__auto_type * newDate = [NSDate dateWithTimeIntervalSinceNow:-2];
__auto_type * validityPeriod = [[NSDateInterval alloc] initWithStartDate:oldDate endDate:newDate];
return [super initWithRootKey:key fabricID:fabricID validityPeriod:validityPeriod];
}
@end
@interface MTRCertificateValidityTests : XCTestCase
@end
static BOOL sNeedsStackShutdown = YES;
@implementation MTRCertificateValidityTests
+ (void)tearDown
{
// Global teardown, runs once
if (sNeedsStackShutdown) {
// We don't need to worry about ResetCommissionee. If we get here,
// we're running only one of our test methods (using
// -only-testing:MatterTests/MTROTAProviderTests/testMethodName), since
// we did not run test999_TearDown.
[self shutdownStack];
}
}
- (void)setUp
{
// Per-test setup, runs before each test.
[super setUp];
[self setContinueAfterFailure:NO];
}
- (MTRBaseDevice *)commissionDeviceWithPayload:(NSString *)payloadString nodeID:(NSNumber *)nodeID
{
XCTestExpectation * expectation =
[self expectationWithDescription:[NSString stringWithFormat:@"Commissioning Complete for %@", nodeID]];
__auto_type * deviceControllerDelegate = [[MTRCertificateValidityTestControllerDelegate alloc] initWithExpectation:expectation
commissioneeNodeID:nodeID];
dispatch_queue_t callbackQueue = dispatch_queue_create("com.chip.device_controller_delegate", DISPATCH_QUEUE_SERIAL);
[sController setDeviceControllerDelegate:deviceControllerDelegate queue:callbackQueue];
NSError * error;
__auto_type * payload = [MTRSetupPayload setupPayloadWithOnboardingPayload:payloadString error:&error];
XCTAssertNotNil(payload);
XCTAssertNil(error);
[sController setupCommissioningSessionWithPayload:payload newNodeID:nodeID error:&error];
XCTAssertNil(error);
[self waitForExpectations:@[ expectation ] timeout:kPairingTimeoutInSeconds];
return [MTRBaseDevice deviceWithNodeID:nodeID controller:sController];
}
- (void)initStack:(MTRTestCertificateIssuer *)certificateIssuer
{
__auto_type * factory = [MTRDeviceControllerFactory sharedInstance];
XCTAssertNotNil(factory);
__auto_type * storage = [[MTRTestStorage alloc] init];
__auto_type * factoryParams = [[MTRDeviceControllerFactoryParams alloc] initWithStorage:storage];
factoryParams.port = @(kLocalPort);
BOOL ok = [factory startControllerFactory:factoryParams error:nil];
XCTAssertTrue(ok);
__auto_type * controllerOperationalKeys = [[MTRTestKeys alloc] init];
XCTAssertNotNil(controllerOperationalKeys);
__auto_type * controllerOperationalCert =
[certificateIssuer issueOperationalCertificateForNode:@(kControllerId)
operationalPublicKey:controllerOperationalKeys.publicKey];
XCTAssertNotNil(controllerOperationalCert);
__auto_type * params = [[MTRDeviceControllerStartupParams alloc] initWithIPK:certificateIssuer.rootKey.ipk
operationalKeypair:controllerOperationalKeys
operationalCertificate:controllerOperationalCert
intermediateCertificate:nil
rootCertificate:certificateIssuer.rootCertificate];
XCTAssertNotNil(params);
params.vendorID = @(kTestVendorId);
params.operationalCertificateIssuer = certificateIssuer;
params.operationalCertificateIssuerQueue = dispatch_get_main_queue();
MTRDeviceController * controller = [factory createControllerOnNewFabric:params error:nil];
XCTAssertNotNil(controller);
sController = controller;
sConnectedDevice = [self commissionDeviceWithPayload:kOnboardingPayload nodeID:@(kDeviceId)];
}
+ (void)shutdownStack
{
sNeedsStackShutdown = NO;
MTRDeviceController * controller = sController;
[controller shutdown];
XCTAssertFalse([controller isRunning]);
[[MTRDeviceControllerFactory sharedInstance] stopControllerFactory];
}
- (void)test001_TestExpiredCertificates
{
__auto_type * testKeys = [[MTRTestKeys alloc] init];
XCTAssertNotNil(testKeys);
__auto_type * certificateIssuer = [[MTRTestExpiredCertificateIssuer alloc] initWithRootKey:testKeys fabricID:@(1)];
XCTAssertNotNil(certificateIssuer);
[self initStack:certificateIssuer];
XCTestExpectation * toggleExpectation = [self expectationWithDescription:@"Toggle command executed"];
__auto_type * onOffCluster = [[MTRBaseClusterOnOff alloc] initWithDevice:sConnectedDevice
endpointID:@(1)
queue:dispatch_get_main_queue()];
[onOffCluster toggleWithCompletion:^(NSError * _Nullable error) {
XCTAssertNil(error);
[toggleExpectation fulfill];
}];
[self waitForExpectations:@[ toggleExpectation ] timeout:kTimeoutInSeconds];
ResetCommissionee(sConnectedDevice, dispatch_get_main_queue(), self, kTimeoutInSeconds);
[[self class] shutdownStack];
}
@end