Adding tests for trusting derived certificates.

Tests/AFNetworking Tests.xcodeproj/project.pbxproj

@@ -27,6 +27,10 @@
 		29A9CE2217456336002360C8 /* AFJSONRequestOperationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 29A9CE2017456336002360C8 /* AFJSONRequestOperationTests.m */; };
 		A70F4A96175A529400386DF5 /* root_certificate.cer in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A95175A529400386DF5 /* root_certificate.cer */; };
 		A70F4A97175A529400386DF5 /* root_certificate.cer in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A95175A529400386DF5 /* root_certificate.cer */; };
+		A70F4A9E175A726B00386DF5 /* ca.cer in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A9C175A726B00386DF5 /* ca.cer */; };
+		A70F4A9F175A726B00386DF5 /* ca.cer in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A9C175A726B00386DF5 /* ca.cer */; };
+		A70F4AA0175A726B00386DF5 /* derived.cert in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A9D175A726B00386DF5 /* derived.cert */; };
+		A70F4AA1175A726B00386DF5 /* derived.cert in Resources */ = {isa = PBXBuildFile; fileRef = A70F4A9D175A726B00386DF5 /* derived.cert */; };
 		A7DC62A617592E4200EBEC2F /* AFTestURLProtocol.m in Sources */ = {isa = PBXBuildFile; fileRef = A7DC62A517592E4200EBEC2F /* AFTestURLProtocol.m */; };
 		A7DC62A717592E4200EBEC2F /* AFTestURLProtocol.m in Sources */ = {isa = PBXBuildFile; fileRef = A7DC62A517592E4200EBEC2F /* AFTestURLProtocol.m */; };
 		A7DC62A917592E4800EBEC2F /* AFURLConnectionOperationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = A7DC62A817592E4800EBEC2F /* AFURLConnectionOperationTests.m */; };
@@ -81,6 +85,8 @@
 		55E73C267F33406A9F92476C /* libPods-ios.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-ios.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		96A923755B00464187DEDBAF /* libPods-osx.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-osx.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		A70F4A95175A529400386DF5 /* root_certificate.cer */ = {isa = PBXFileReference; lastKnownFileType = file; name = root_certificate.cer; path = Resources/root_certificate.cer; sourceTree = "<group>"; };
+		A70F4A9C175A726B00386DF5 /* ca.cer */ = {isa = PBXFileReference; lastKnownFileType = file; name = ca.cer; path = Resources/ca.cer; sourceTree = "<group>"; };
+		A70F4A9D175A726B00386DF5 /* derived.cert */ = {isa = PBXFileReference; lastKnownFileType = file; name = derived.cert; path = Resources/derived.cert; sourceTree = "<group>"; };
 		A7DC62A417592E4200EBEC2F /* AFTestURLProtocol.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AFTestURLProtocol.h; sourceTree = "<group>"; };
 		A7DC62A517592E4200EBEC2F /* AFTestURLProtocol.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AFTestURLProtocol.m; sourceTree = "<group>"; };
 		A7DC62A817592E4800EBEC2F /* AFURLConnectionOperationTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AFURLConnectionOperationTests.m; sourceTree = "<group>"; };
@@ -222,6 +228,8 @@
 		A70F4A91175A4E0000386DF5 /* Certificates */ = {
 			isa = PBXGroup;
 			children = (
+				A70F4A9C175A726B00386DF5 /* ca.cer */,
+				A70F4A9D175A726B00386DF5 /* derived.cert */,
 				A70F4A95175A529400386DF5 /* root_certificate.cer */,
 			);
 			name = Certificates;
@@ -300,6 +308,8 @@
 			files = (
 				F8C6F282174D2C6200B154D5 /* Icon.png in Resources */,
 				A70F4A96175A529400386DF5 /* root_certificate.cer in Resources */,
+				A70F4A9E175A726B00386DF5 /* ca.cer in Resources */,
+				A70F4AA0175A726B00386DF5 /* derived.cert in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -309,6 +319,8 @@
 			files = (
 				F8C6F283174D2C6200B154D5 /* Icon.png in Resources */,
 				A70F4A97175A529400386DF5 /* root_certificate.cer in Resources */,
+				A70F4A9F175A726B00386DF5 /* ca.cer in Resources */,
+				A70F4AA1175A726B00386DF5 /* derived.cert in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Tests/AFURLConnectionOperationTests.m

@@ -180,4 +180,130 @@
     expect(useCredentialInvoked).will.beTruthy();
 }
 
+- (void)testThatAFURLConnectionOperationTrustsPublicKeysOfDerivedCertificates {
+    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"/path" relativeToURL:self.baseURL]];
+    AFURLConnectionOperation *operation = [[AFURLConnectionOperation alloc] initWithRequest:request];
+    operation.SSLPinningMode = AFSSLPinningModePublicKey;
+    
+    __block BOOL useCredentialInvoked = NO;
+    
+    NSURLProtectionSpace *protectionSpace = [[NSURLProtectionSpace alloc] initWithHost:request.URL.host port:request.URL.port.integerValue protocol:request.URL.scheme realm:nil authenticationMethod:NSURLAuthenticationMethodServerTrust];
+    
+    NSData *caCertificateData = [NSData dataWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"ca" ofType:@"cer"]];
+    NSParameterAssert(caCertificateData);
+    
+    SecCertificateRef caCertificate = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)caCertificateData);
+    NSParameterAssert(caCertificate);
+    
+    NSData *hostCertificateData = [NSData dataWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"derived" ofType:@"cert"]];
+    NSParameterAssert(hostCertificateData);
+    
+    SecCertificateRef hostCertificate = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)caCertificateData);
+    NSParameterAssert(hostCertificate);
+    
+    SecCertificateRef allowedCertificates[] = {caCertificate, hostCertificate};
+    CFArrayRef certificates = CFArrayCreate(NULL, (const void **)allowedCertificates, 2, NULL);
+    
+    SecPolicyRef policy = SecPolicyCreateBasicX509();
+    SecTrustRef trust = NULL;
+    OSStatus status = SecTrustCreateWithCertificates(certificates, policy, &trust);
+    NSAssert(status == errSecSuccess, @"SecTrustCreateWithCertificates error: %ld", (long int)status);
+    
+    SecTrustResultType result;
+    status = SecTrustEvaluate(trust, &result);
+    NSAssert(status == errSecSuccess, @"SecTrustEvaluate error: %ld", (long int)status);
+    
+    id mockedProtectionSpace = [OCMockObject partialMockForObject:protectionSpace];
+    
+    [[[mockedProtectionSpace stub] andDo:^(NSInvocation *invocation) {
+        [invocation setReturnValue:(void *)&trust];
+    }] serverTrust];
+    
+    AFTestURLProtocol *protocol = [[AFTestURLProtocol alloc] initWithRequest:request cachedResponse:nil client:nil];
+    id mockedProtocol = [OCMockObject partialMockForObject:protocol];
+    
+    void(^useCredential)(NSInvocation *invocation) = ^(NSInvocation *invocation) {
+        useCredentialInvoked = YES;
+    };
+    
+    [[[mockedProtocol stub] andDo:useCredential] useCredential:OCMOCK_ANY forAuthenticationChallenge:OCMOCK_ANY];
+    
+    NSURLCredential *credential = [[NSURLCredential alloc] initWithTrust:trust];
+    NSURLAuthenticationChallenge *authenticationChallenge = [[NSURLAuthenticationChallenge alloc] initWithProtectionSpace:protectionSpace proposedCredential:credential previousFailureCount:0 failureResponse:nil error:nil sender:mockedProtocol];
+    [protocol.client URLProtocol:mockedProtocol didReceiveAuthenticationChallenge:authenticationChallenge];
+    
+    [operation connection:nil willSendRequestForAuthenticationChallenge:authenticationChallenge];
+    
+    CFRelease(trust);
+    CFRelease(policy);
+    CFRelease(certificates);
+    CFRelease(caCertificate);
+    CFRelease(hostCertificate);
+    
+    expect(useCredentialInvoked).will.beTruthy();
+}
+
+- (void)testThatAFURLConnectionOperationTrustsDerivedCertificates {
+    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"/path" relativeToURL:self.baseURL]];
+    AFURLConnectionOperation *operation = [[AFURLConnectionOperation alloc] initWithRequest:request];
+    operation.SSLPinningMode = AFSSLPinningModeCertificate;
+    
+    __block BOOL useCredentialInvoked = NO;
+    
+    NSURLProtectionSpace *protectionSpace = [[NSURLProtectionSpace alloc] initWithHost:request.URL.host port:request.URL.port.integerValue protocol:request.URL.scheme realm:nil authenticationMethod:NSURLAuthenticationMethodServerTrust];
+    
+    NSData *caCertificateData = [NSData dataWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"ca" ofType:@"cer"]];
+    NSParameterAssert(caCertificateData);
+    
+    SecCertificateRef caCertificate = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)caCertificateData);
+    NSParameterAssert(caCertificate);
+    
+    NSData *hostCertificateData = [NSData dataWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForResource:@"derived" ofType:@"cert"]];
+    NSParameterAssert(hostCertificateData);
+    
+    SecCertificateRef hostCertificate = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)caCertificateData);
+    NSParameterAssert(hostCertificate);
+    
+    SecCertificateRef allowedCertificates[] = {caCertificate, hostCertificate};
+    CFArrayRef certificates = CFArrayCreate(NULL, (const void **)allowedCertificates, 2, NULL);
+    
+    SecPolicyRef policy = SecPolicyCreateBasicX509();
+    SecTrustRef trust = NULL;
+    OSStatus status = SecTrustCreateWithCertificates(certificates, policy, &trust);
+    NSAssert(status == errSecSuccess, @"SecTrustCreateWithCertificates error: %ld", (long int)status);
+    
+    SecTrustResultType result;
+    status = SecTrustEvaluate(trust, &result);
+    NSAssert(status == errSecSuccess, @"SecTrustEvaluate error: %ld", (long int)status);
+    
+    id mockedProtectionSpace = [OCMockObject partialMockForObject:protectionSpace];
+    
+    [[[mockedProtectionSpace stub] andDo:^(NSInvocation *invocation) {
+        [invocation setReturnValue:(void *)&trust];
+    }] serverTrust];
+    
+    AFTestURLProtocol *protocol = [[AFTestURLProtocol alloc] initWithRequest:request cachedResponse:nil client:nil];
+    id mockedProtocol = [OCMockObject partialMockForObject:protocol];
+    
+    void(^useCredential)(NSInvocation *invocation) = ^(NSInvocation *invocation) {
+        useCredentialInvoked = YES;
+    };
+    
+    [[[mockedProtocol stub] andDo:useCredential] useCredential:OCMOCK_ANY forAuthenticationChallenge:OCMOCK_ANY];
+    
+    NSURLCredential *credential = [[NSURLCredential alloc] initWithTrust:trust];
+    NSURLAuthenticationChallenge *authenticationChallenge = [[NSURLAuthenticationChallenge alloc] initWithProtectionSpace:protectionSpace proposedCredential:credential previousFailureCount:0 failureResponse:nil error:nil sender:mockedProtocol];
+    [protocol.client URLProtocol:mockedProtocol didReceiveAuthenticationChallenge:authenticationChallenge];
+    
+    [operation connection:nil willSendRequestForAuthenticationChallenge:authenticationChallenge];
+    
+    CFRelease(trust);
+    CFRelease(policy);
+    CFRelease(certificates);
+    CFRelease(caCertificate);
+    CFRelease(hostCertificate);
+    
+    expect(useCredentialInvoked).will.beTruthy();
+}
+
 @end