/// <summary>
/// Creates the objects used to validate the user identity tokens supported by the server.
/// </summary>
private void CreateUserIdentityValidators(ApplicationConfiguration configuration)
{
foreach (UserTokenPolicy policy in configuration.ServerConfiguration.UserTokenPolicies)
{
// create a validator for a certificate token policy
if (policy.TokenType == UserTokenType.Certificate)
{
// check if user certificate trust lists are specified in configuration
SecurityConfiguration securityConfiguration = configuration.SecurityConfiguration;
if (securityConfiguration.TrustedUserCertificates != null &&
securityConfiguration.UserIssuerCertificates != null)
{
CertificateValidator validator = new CertificateValidator();
validator.Update(securityConfiguration).Wait();
validator.Update(
securityConfiguration.UserIssuerCertificates,
securityConfiguration.TrustedUserCertificates,
securityConfiguration.RejectedCertificateStore);
// set custom validator for user certificates
certificateValidator = validator.GetChannelValidator();
}
}
}
}
/// <summary>
/// Creates the objects used to validate the user identity tokens supported by the server.
/// </summary>
private void CreateUserIdentityValidators(ApplicationConfiguration configuration)
{
for (int ii = 0; ii < configuration.ServerConfiguration.UserTokenPolicies.Count; ii++)
{
UserTokenPolicy policy = configuration.ServerConfiguration.UserTokenPolicies[ii];
// create a validator for a certificate token policy.
if (policy.TokenType == UserTokenType.Certificate)
{
// check if user certificate trust lists are specified in configuration.
if (configuration.SecurityConfiguration.TrustedUserCertificates != null &&
configuration.SecurityConfiguration.UserIssuerCertificates != null)
{
CertificateValidator certificateValidator = new CertificateValidator();
certificateValidator.Update(configuration.SecurityConfiguration).Wait();
certificateValidator.Update(configuration.SecurityConfiguration.UserIssuerCertificates,
configuration.SecurityConfiguration.TrustedUserCertificates,
configuration.SecurityConfiguration.RejectedCertificateStore);
// set custom validator for user certificates.
m_certificateValidator = certificateValidator.GetChannelValidator();
}
}
}
}
public static void VerifyApplicationCertIntegrity(
X509Certificate2 newCert,
byte[] privateKey,
string privateKeyPassword,
string privateKeyFormat,
X509Certificate2Collection issuerCertificates)
{
Assert.NotNull(newCert);
if (privateKey != null)
{
X509Certificate2 newPrivateKeyCert = null;
if (privateKeyFormat == "PFX")
{
newPrivateKeyCert = CertificateFactory.CreateCertificateFromPKCS12(privateKey, privateKeyPassword);
}
else if (privateKeyFormat == "PEM")
{
newPrivateKeyCert = CertificateFactory.CreateCertificateWithPEMPrivateKey(newCert, privateKey, privateKeyPassword);
}
else
{
Assert.True(false, "Invalid private key format");
}
Assert.NotNull(newPrivateKeyCert);
// verify the public cert matches the private key
Assert.True(CertificateFactory.VerifyRSAKeyPair(newCert, newPrivateKeyCert, true));
Assert.True(CertificateFactory.VerifyRSAKeyPair(newPrivateKeyCert, newPrivateKeyCert, true));
}
CertificateIdentifierCollection issuerCertIdCollection = new CertificateIdentifierCollection();
foreach (var issuerCert in issuerCertificates)
{
issuerCertIdCollection.Add(new CertificateIdentifier(issuerCert));
}
// verify cert with issuer chain
CertificateValidator certValidator = new CertificateValidator();
CertificateTrustList issuerStore = new CertificateTrustList();
CertificateTrustList trustedStore = new CertificateTrustList();
trustedStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(trustedStore, issuerStore, null);
Assert.Throws <Opc.Ua.ServiceResultException>(() =>
{
certValidator.Validate(newCert);
});
issuerStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(issuerStore, trustedStore, null);
certValidator.Validate(newCert);
}
public OpcUaClient()
{
#region 初始化
var application = new ApplicationInstance();
application.ApplicationType = ApplicationType.Client;
application.ConfigSectionName = Path.GetFileName(Assembly.GetExecutingAssembly().Location);
var certificateValidator = new CertificateValidator();
certificateValidator.CertificateValidation += new CertificateValidationEventHandler(CertificateValidator_CertificateValidation);
SecurityConfiguration securityConfiguration = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
//RejectSHA1SignedCertificates = false,
//MinimumCertificateKeySize = 1024,
};
certificateValidator.Update(securityConfiguration);
application.ApplicationConfiguration = new ApplicationConfiguration
{
ApplicationName = application.ConfigSectionName,
ApplicationType = ApplicationType.Client,
CertificateValidator = certificateValidator,
ServerConfiguration = new ServerConfiguration
{
MaxSubscriptionCount = 100000,
MaxMessageQueueSize = 1000000,
MaxNotificationQueueSize = 1000000,
MaxPublishRequestCount = 10000000,
},
SecurityConfiguration = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
//RejectSHA1SignedCertificates = false,
//MinimumCertificateKeySize = 1024,
},
TransportQuotas = new TransportQuotas
{
OperationTimeout = 6000000,
MaxStringLength = int.MaxValue,
MaxByteStringLength = int.MaxValue,
MaxArrayLength = 65535,
MaxMessageSize = 419430400,
MaxBufferSize = 65535,
ChannelLifetime = -1,
SecurityTokenLifetime = -1
},
ClientConfiguration = new ClientConfiguration
{
DefaultSessionTimeout = -1,
MinSubscriptionLifetime = -1,
},
DisableHiResClock = true
};
m_configuration = application.ApplicationConfiguration;
#endregion
}
public static void VerifyApplicationCertIntegrity(byte[] certificate, byte[] privateKey, string privateKeyPassword, string privateKeyFormat, byte[][] issuerCertificates)
{
X509Certificate2 newCert = new X509Certificate2(certificate);
Assert.IsNotNull(newCert);
X509Certificate2 newPrivateKeyCert = null;
if (privateKeyFormat == "PFX")
{
newPrivateKeyCert = X509Utils.CreateCertificateFromPKCS12(privateKey, privateKeyPassword);
}
else if (privateKeyFormat == "PEM")
{
newPrivateKeyCert = CertificateFactory.CreateCertificateWithPEMPrivateKey(newCert, privateKey, privateKeyPassword);
}
else
{
Assert.Fail("Invalid private key format");
}
Assert.IsNotNull(newPrivateKeyCert);
// verify the public cert matches the private key
Assert.IsTrue(X509Utils.VerifyRSAKeyPair(newCert, newPrivateKeyCert, true));
Assert.IsTrue(X509Utils.VerifyRSAKeyPair(newPrivateKeyCert, newPrivateKeyCert, true));
CertificateIdentifierCollection issuerCertIdCollection = new CertificateIdentifierCollection();
foreach (var issuer in issuerCertificates)
{
var issuerCert = new X509Certificate2(issuer);
Assert.IsNotNull(issuerCert);
issuerCertIdCollection.Add(new CertificateIdentifier(issuerCert));
}
// verify cert with issuer chain
CertificateValidator certValidator = new CertificateValidator();
CertificateTrustList issuerStore = new CertificateTrustList();
CertificateTrustList trustedStore = new CertificateTrustList();
trustedStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(trustedStore, issuerStore, null);
Assert.That(() => {
certValidator.Validate(newCert);
}, Throws.Exception);
issuerStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(issuerStore, trustedStore, null);
certValidator.Validate(newCert);
}
public static void VerifyApplicationCertIntegrity(
X509Certificate2 newCert,
Key privateKey,
X509Certificate2Collection issuerCertificates)
{
Assert.NotNull(newCert);
Assert.True(privateKey.HasPrivateKey());
if (privateKey != null)
{
using (var newPrivateKeyCert = new X509Certificate2(newCert.RawData)
{
PrivateKey = privateKey.ToRSA()
}) {
Assert.True(newPrivateKeyCert.HasPrivateKey);
Assert.NotNull(newPrivateKeyCert);
Assert.True(newPrivateKeyCert.HasPrivateKey);
// verify the public cert matches the private key
Assert.True(CertificateFactory.VerifyRSAKeyPair(newCert, newPrivateKeyCert, true));
Assert.True(CertificateFactory.VerifyRSAKeyPair(newPrivateKeyCert, newPrivateKeyCert, true));
}
}
var issuerCertIdCollection = new CertificateIdentifierCollection();
foreach (var issuerCert in issuerCertificates)
{
issuerCertIdCollection.Add(new CertificateIdentifier(issuerCert));
}
// verify cert with issuer chain
var certValidator = new CertificateValidator();
var issuerStore = new CertificateTrustList();
var trustedStore = new CertificateTrustList {
TrustedCertificates = issuerCertIdCollection
};
certValidator.Update(trustedStore, issuerStore, null);
Assert.Throws <ServiceResultException>(() => certValidator.Validate(newCert));
issuerStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(issuerStore, trustedStore, null);
certValidator.Validate(newCert);
}
private void CreateUserIdentityValidators(ApplicationConfiguration configuration)
{
for (int ii = 0; ii < configuration.ServerConfiguration.UserTokenPolicies.Count; ii++)
{
UserTokenPolicy policy = configuration.ServerConfiguration.UserTokenPolicies[ii];
if (policy.TokenType == UserTokenType.Certificate)
{
if (configuration.SecurityConfiguration.TrustedUserCertificates != null &&
configuration.SecurityConfiguration.UserIssuerCertificates != null)
{
CertificateValidator certificateValidator = new CertificateValidator();
certificateValidator.Update(configuration.SecurityConfiguration).Wait();
certificateValidator.Update(configuration.SecurityConfiguration.UserIssuerCertificates,
configuration.SecurityConfiguration.TrustedUserCertificates,
configuration.SecurityConfiguration.RejectedCertificateStore);
m_userCertificateValidator = certificateValidator.GetChannelValidator();
}
}
}
}
private CertificateValidator InitValidatorWithStores()
{
CertificateValidator certValidator = new CertificateValidator();
CertificateTrustList issuerTrustList = new CertificateTrustList();
issuerTrustList.StoreType = "Directory";
issuerTrustList.StorePath = _issuerStore.Directory.FullName;
CertificateTrustList trustedTrustList = new CertificateTrustList();
trustedTrustList.StoreType = "Directory";
trustedTrustList.StorePath = _trustedStore.Directory.FullName;
certValidator.Update(issuerTrustList, trustedTrustList, null);
return(certValidator);
}
private CertificateValidator InitValidatorWithStores()
{
var certValidator = new CertificateValidator();
var issuerTrustList = new CertificateTrustList {
StoreType = "Directory",
StorePath = m_issuerStore.Directory.FullName
};
var trustedTrustList = new CertificateTrustList {
StoreType = "Directory",
StorePath = m_trustedStore.Directory.FullName
};
certValidator.Update(issuerTrustList, trustedTrustList, null);
return(certValidator);
}
/// <summary>
/// Creates the objects used to validate the user identity tokens supported by the server.
/// </summary>
private void CreateUserIdentityValidators(ApplicationConfiguration configuration)
{
foreach (UserTokenPolicy policy in configuration.ServerConfiguration.UserTokenPolicies)
{
// create a validator for a certificate token policy.
if (policy.TokenType != UserTokenType.Certificate)
{
continue;
}
// check if user certificate trust lists are specified in configuration.
if (configuration.SecurityConfiguration.TrustedUserCertificates == null ||
configuration.SecurityConfiguration.UserIssuerCertificates == null)
{
continue;
}
CertificateValidator certificateValidator = new CertificateValidator();
certificateValidator.Update(configuration.SecurityConfiguration).Wait();
certificateValidator.Update(configuration.SecurityConfiguration.UserIssuerCertificates,
configuration.SecurityConfiguration.TrustedUserCertificates,
configuration.SecurityConfiguration.RejectedCertificateStore);
// set custom validator for user certificates.
_certificateValidator = certificateValidator.GetChannelValidator();
}
}
internal static async Task <CertificateValidator> CreateValidatorAsync(TrustListModel trustList)
{
var storePath = "%LocalApplicationData%/OPCVaultTest/pki/";
DeleteDirectory(storePath);
// verify cert with issuer chain
var certValidator = new CertificateValidator();
var issuerTrustList = await CreateTrustListAsync(
storePath + "issuer",
trustList.IssuerCertificates.ToStackModel(),
trustList.IssuerCrls.ToStackModel()
);
var trustedTrustList = await CreateTrustListAsync(
storePath + "trusted",
trustList.TrustedCertificates.ToStackModel(),
trustList.TrustedCrls.ToStackModel()
);
certValidator.Update(issuerTrustList, trustedTrustList, null);
return(certValidator);
}
/// <summary>
/// Creates the validator using the issuer and trusted store.
/// </summary>
public CertificateValidator Update()
{
var certValidator = new CertificateValidator();
var issuerTrustList = new CertificateTrustList {
StoreType = "Directory",
StorePath = m_issuerStore.Directory.FullName
};
var trustedTrustList = new CertificateTrustList {
StoreType = "Directory",
StorePath = m_trustedStore.Directory.FullName
};
CertificateStoreIdentifier rejectedList = null;
if (m_rejectedStore != null)
{
rejectedList = new CertificateStoreIdentifier {
StoreType = "Directory",
StorePath = m_rejectedStore.Directory.FullName
};
}
certValidator.Update(issuerTrustList, trustedTrustList, rejectedList);
m_certificateValidator = certValidator;
return(certValidator);
}
public static void VerifySignedApplicationCert(ApplicationTestData testApp,
X509Certificate2 signedCert, X509Certificate2Collection issuerCerts)
{
var issuerCert = issuerCerts[0];
var signedCertO = signedCert.ToCertificate();
Assert.NotNull(signedCertO);
Assert.False(signedCert.HasPrivateKey);
Assert.True(Utils.CompareDistinguishedName(testApp.Subject, signedCert.Subject));
Assert.False(Utils.CompareDistinguishedName(signedCert.Issuer, signedCert.Subject));
Assert.True(Utils.CompareDistinguishedName(signedCert.Issuer, issuerCert.Subject));
// test basic constraints
var constraints = signedCertO.GetBasicConstraintsExtension();
Assert.NotNull(constraints);
Assert.True(constraints.Critical);
Assert.False(constraints.CertificateAuthority);
Assert.False(constraints.HasPathLengthConstraint);
// key usage
var keyUsage = signedCertO.GetKeyUsageExtension();
Assert.NotNull(keyUsage);
Assert.True(keyUsage.Critical);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.CrlSign) == 0);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.DataEncipherment) == X509KeyUsageFlags.DataEncipherment);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.DecipherOnly) == 0);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.DigitalSignature) == X509KeyUsageFlags.DigitalSignature);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.EncipherOnly) == 0);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.KeyAgreement) == 0);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.KeyCertSign) == 0);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.KeyEncipherment) == X509KeyUsageFlags.KeyEncipherment);
Assert.True((keyUsage.KeyUsages & X509KeyUsageFlags.NonRepudiation) == X509KeyUsageFlags.NonRepudiation);
// enhanced key usage
var enhancedKeyUsage = signedCertO.GetEnhancedKeyUsageExtension();
Assert.NotNull(enhancedKeyUsage);
Assert.True(enhancedKeyUsage.Critical);
// test for authority key
var authority = signedCertO.GetAuthorityKeyIdentifierExtension();
Assert.NotNull(authority);
Assert.NotNull(authority.SerialNumber);
Assert.NotNull(authority.KeyId);
Assert.NotNull(authority.AuthorityNames);
// verify authority key in signed cert
var subjectKeyId = signedCertO.GetSubjectKeyIdentifierExtension();
Assert.Equal(subjectKeyId.SubjectKeyIdentifier, authority.KeyId);
Assert.Equal(issuerCert.SerialNumber, authority.SerialNumber.ToString());
var subjectAlternateName = signedCertO.GetSubjectAltNameExtension();
Assert.NotNull(subjectAlternateName);
Assert.False(subjectAlternateName.Critical);
var domainNames = Utils.GetDomainsFromCertficate(signedCert);
foreach (var domainName in testApp.DomainNames)
{
Assert.Contains(domainName, domainNames, StringComparer.OrdinalIgnoreCase);
}
Assert.True(subjectAlternateName.Uris.Count == 1);
var applicationUri = Utils.GetApplicationUriFromCertificate(signedCert);
Assert.True(testApp.ApplicationRecord.ApplicationUri == applicationUri);
var issuerCertIdCollection = new CertificateIdentifierCollection();
foreach (var cert in issuerCerts)
{
issuerCertIdCollection.Add(new CertificateIdentifier(cert));
}
// verify cert with issuer chain
var certValidator = new CertificateValidator();
var issuerStore = new CertificateTrustList();
var trustedStore = new CertificateTrustList {
TrustedCertificates = issuerCertIdCollection
};
certValidator.Update(trustedStore, issuerStore, null);
Assert.Throws <ServiceResultException>(() => certValidator.Validate(signedCert));
issuerStore.TrustedCertificates = issuerCertIdCollection;
certValidator.Update(issuerStore, trustedStore, null);
certValidator.Validate(signedCert);
}
/// <summary>
/// 默认的构造函数，实例化一个新的OPC UA类
/// </summary>
public OpcUaClient( )
{
dic_subscriptions = new Dictionary <string, Subscription>( );
var certificateValidator = new CertificateValidator( );
certificateValidator.CertificateValidation += (sender, eventArgs) =>
{
if (ServiceResult.IsGood(eventArgs.Error))
{
eventArgs.Accept = true;
}
else if (eventArgs.Error.StatusCode.Code == StatusCodes.BadCertificateUntrusted)
{
eventArgs.Accept = true;
}
else
{
throw new Exception(string.Format("Failed to validate certificate with error code {0}: {1}", eventArgs.Error.Code, eventArgs.Error.AdditionalInfo));
}
};
SecurityConfiguration securityConfigurationcv = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
RejectSHA1SignedCertificates = false,
MinimumCertificateKeySize = 1024,
};
certificateValidator.Update(securityConfigurationcv);
// Build the application configuration
application = new ApplicationInstance
{
ApplicationType = ApplicationType.Client,
ConfigSectionName = OpcUaName,
ApplicationConfiguration = new ApplicationConfiguration
{
ApplicationName = OpcUaName,
ApplicationType = ApplicationType.Client,
CertificateValidator = certificateValidator,
ServerConfiguration = new ServerConfiguration
{
MaxSubscriptionCount = 100000,
MaxMessageQueueSize = 1000000,
MaxNotificationQueueSize = 1000000,
MaxPublishRequestCount = 10000000,
},
SecurityConfiguration = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
RejectSHA1SignedCertificates = false,
MinimumCertificateKeySize = 1024,
},
TransportQuotas = new TransportQuotas
{
OperationTimeout = 6000000,
MaxStringLength = int.MaxValue,
MaxByteStringLength = int.MaxValue,
MaxArrayLength = 65535,
MaxMessageSize = 419430400,
MaxBufferSize = 65535,
ChannelLifetime = -1,
SecurityTokenLifetime = -1
},
ClientConfiguration = new ClientConfiguration
{
DefaultSessionTimeout = -1,
MinSubscriptionLifetime = -1,
},
DisableHiResClock = true
}
};
// Assign a application certificate (when specified)
// if (ApplicationCertificate != null)
// application.ApplicationConfiguration.SecurityConfiguration.ApplicationCertificate = new CertificateIdentifier(_options.ApplicationCertificate);
m_configuration = application.ApplicationConfiguration;
}
private ServiceResult UpdateCertificate(
ISystemContext context,
MethodState method,
NodeId objectId,
NodeId certificateGroupId,
NodeId certificateTypeId,
byte[] certificate,
byte[][] issuerCertificates,
string privateKeyFormat,
byte[] privateKey,
ref bool applyChangesRequired)
{
HasApplicationSecureAdminAccess(context);
if (certificate == null)
{
throw new ArgumentNullException(nameof(certificate));
}
privateKeyFormat = privateKeyFormat?.ToUpper();
if (!(String.IsNullOrEmpty(privateKeyFormat) || privateKeyFormat == "PEM" || privateKeyFormat == "PFX"))
{
throw new ServiceResultException(StatusCodes.BadNotSupported, "The private key format is not supported.");
}
ServerCertificateGroup certificateGroup = VerifyGroupAndTypeId(certificateGroupId, certificateTypeId);
certificateGroup.UpdateCertificate = null;
X509Certificate2Collection newIssuerCollection = new X509Certificate2Collection();
X509Certificate2 newCert;
try
{
// build issuer chain
if (issuerCertificates != null)
{
foreach (byte[] issuerRawCert in issuerCertificates)
{
var newIssuerCert = new X509Certificate2(issuerRawCert);
newIssuerCollection.Add(newIssuerCert);
}
}
newCert = new X509Certificate2(certificate);
}
catch
{
throw new ServiceResultException(StatusCodes.BadCertificateInvalid, "Certificate data is invalid.");
}
// validate new subject matches the previous subject
if (!X509Utils.CompareDistinguishedName(certificateGroup.ApplicationCertificate.SubjectName, newCert.SubjectName.Name))
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Subject Name of new certificate doesn't match the application.");
}
// self signed
bool selfSigned = X509Utils.CompareDistinguishedName(newCert.Subject, newCert.Issuer);
if (selfSigned && newIssuerCollection.Count != 0)
{
throw new ServiceResultException(StatusCodes.BadCertificateInvalid, "Issuer list not empty for self signed certificate.");
}
if (!selfSigned)
{
try
{
// verify cert with issuer chain
CertificateValidator certValidator = new CertificateValidator();
CertificateTrustList issuerStore = new CertificateTrustList();
CertificateIdentifierCollection issuerCollection = new CertificateIdentifierCollection();
foreach (var issuerCert in newIssuerCollection)
{
issuerCollection.Add(new CertificateIdentifier(issuerCert));
}
issuerStore.TrustedCertificates = issuerCollection;
certValidator.Update(issuerStore, issuerStore, null);
certValidator.Validate(newCert);
}
catch
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Failed to verify integrity of the new certificate and the issuer list.");
}
}
var updateCertificate = new UpdateCertificateData();
try
{
var passwordProvider = m_configuration.SecurityConfiguration.CertificatePasswordProvider;
switch (privateKeyFormat)
{
case null:
case "":
{
X509Certificate2 certWithPrivateKey = certificateGroup.ApplicationCertificate.LoadPrivateKeyEx(passwordProvider).Result;
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPrivateKey(newCert, certWithPrivateKey);
break;
}
case "PFX":
{
X509Certificate2 certWithPrivateKey = X509Utils.CreateCertificateFromPKCS12(privateKey, passwordProvider?.GetPassword(certificateGroup.ApplicationCertificate));
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPrivateKey(newCert, certWithPrivateKey);
break;
}
case "PEM":
{
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPEMPrivateKey(newCert, privateKey, passwordProvider?.GetPassword(certificateGroup.ApplicationCertificate));
break;
}
}
updateCertificate.IssuerCollection = newIssuerCollection;
updateCertificate.SessionId = context.SessionId;
}
catch
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Failed to verify integrity of the new certificate and the private key.");
}
certificateGroup.UpdateCertificate = updateCertificate;
applyChangesRequired = true;
if (updateCertificate != null)
{
try
{
using (ICertificateStore appStore = certificateGroup.ApplicationCertificate.OpenStore())
{
Utils.LogCertificate(Utils.TraceMasks.Security, "Delete application certificate: ", certificateGroup.ApplicationCertificate.Certificate);
appStore.Delete(certificateGroup.ApplicationCertificate.Thumbprint).Wait();
Utils.LogCertificate(Utils.TraceMasks.Security, "Add new application certificate: ", updateCertificate.CertificateWithPrivateKey);
var passwordProvider = m_configuration.SecurityConfiguration.CertificatePasswordProvider;
appStore.Add(updateCertificate.CertificateWithPrivateKey, passwordProvider?.GetPassword(certificateGroup.ApplicationCertificate)).Wait();
// keep only track of cert without private key
var certOnly = new X509Certificate2(updateCertificate.CertificateWithPrivateKey.RawData);
updateCertificate.CertificateWithPrivateKey.Dispose();
updateCertificate.CertificateWithPrivateKey = certOnly;
}
using (ICertificateStore issuerStore = CertificateStoreIdentifier.OpenStore(certificateGroup.IssuerStorePath))
{
foreach (var issuer in updateCertificate.IssuerCollection)
{
try
{
Utils.LogCertificate(Utils.TraceMasks.Security, "Add new issuer certificate: ", issuer);
issuerStore.Add(issuer).Wait();
}
catch (ArgumentException)
{
// ignore error if issuer cert already exists
}
}
}
}
catch (Exception ex)
{
Utils.LogError(Utils.TraceMasks.Security, ServiceResult.BuildExceptionTrace(ex));
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Failed to update certificate.", ex);
}
}
return(ServiceResult.Good);
}
/// <summary>
/// 默认的构造函数，实例化一个新的OPC UA类
/// </summary>
public OpcUaClient()
{
var certificateValidator = new CertificateValidator();
certificateValidator.CertificateValidation += (sender, eventArgs) =>
{
if (ServiceResult.IsGood(eventArgs.Error))
{
eventArgs.Accept = true;
}
else if (eventArgs.Error.StatusCode.Code == StatusCodes.BadCertificateUntrusted)
{
eventArgs.Accept = true;
}
else
{
LoggerService.Service.Warn("OpcClient", string.Format("Failed to validate certificate with error code {0}: {1}", eventArgs.Error.Code, eventArgs.Error.AdditionalInfo));
}
};
SecurityConfiguration securityConfigurationcv = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
RejectSHA1SignedCertificates = false,
MinimumCertificateKeySize = 1024,
};
certificateValidator.Update(securityConfigurationcv);
// Build the application configuration
var configuration = new ApplicationConfiguration
{
ApplicationName = OpcUaName,
ApplicationType = ApplicationType.Client,
CertificateValidator = certificateValidator,
ApplicationUri = "urn:SpiderOpcClient", //Kepp this syntax
ProductUri = "SpiderOpcClient",
ServerConfiguration = new ServerConfiguration
{
MaxSubscriptionCount = 100000,
MaxMessageQueueSize = 1000000,
MaxNotificationQueueSize = 1000000,
MaxPublishRequestCount = 10000000,
},
SecurityConfiguration = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = true,
RejectSHA1SignedCertificates = false,
MinimumCertificateKeySize = 1024,
SuppressNonceValidationErrors = true,
ApplicationCertificate = new CertificateIdentifier
{
StoreType = CertificateStoreType.X509Store,
StorePath = "CurrentUser\\My",
SubjectName = OpcUaName,
},
TrustedIssuerCertificates = new CertificateTrustList
{
StoreType = CertificateStoreType.X509Store,
StorePath = "CurrentUser\\Root",
},
TrustedPeerCertificates = new CertificateTrustList
{
StoreType = CertificateStoreType.X509Store,
StorePath = "CurrentUser\\Root",
}
},
TransportQuotas = new TransportQuotas
{
OperationTimeout = 6000000,
MaxStringLength = int.MaxValue,
MaxByteStringLength = int.MaxValue,
MaxArrayLength = 65535,
MaxMessageSize = 419430400,
MaxBufferSize = 65535,
ChannelLifetime = -1,
SecurityTokenLifetime = -1
},
ClientConfiguration = new ClientConfiguration
{
DefaultSessionTimeout = -1,
MinSubscriptionLifetime = -1,
},
DisableHiResClock = true
};
configuration.Validate(ApplicationType.Client);
m_configuration = configuration;
}
private ServiceResult UpdateCertificate(
ISystemContext context,
MethodState method,
NodeId objectId,
NodeId certificateGroupId,
NodeId certificateTypeId,
byte[] certificate,
byte[][] issuerCertificates,
string privateKeyFormat,
byte[] privateKey,
ref bool applyChangesRequired)
{
HasApplicationSecureAdminAccess(context);
if (certificate == null)
{
throw new ArgumentNullException(nameof(certificate));
}
privateKeyFormat = privateKeyFormat?.ToUpper();
if (!(String.IsNullOrEmpty(privateKeyFormat) || privateKeyFormat == "PEM" || privateKeyFormat == "PFX"))
{
throw new ServiceResultException(StatusCodes.BadNotSupported, "The private key format is not supported.");
}
ServerCertificateGroup certificateGroup = VerifyGroupAndTypeId(certificateGroupId, certificateTypeId);
certificateGroup.UpdateCertificate = null;
X509Certificate2Collection newIssuerCollection = new X509Certificate2Collection();
X509Certificate2 newCert;
try
{
// build issuer chain
if (issuerCertificates != null)
{
foreach (byte[] issuerRawCert in issuerCertificates)
{
var newIssuerCert = new X509Certificate2(issuerRawCert);
newIssuerCollection.Add(newIssuerCert);
}
}
newCert = new X509Certificate2(certificate);
}
catch
{
throw new ServiceResultException(StatusCodes.BadCertificateInvalid, "Certificate data is invalid.");
}
// load existing application cert and private key
if (!Utils.CompareDistinguishedName(certificateGroup.ApplicationCertificate.SubjectName, newCert.SubjectName.Name))
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Subject Name of new certificate doesn't match the application.");
}
// self signed
bool selfSigned = Utils.CompareDistinguishedName(newCert.Subject, newCert.Issuer);
if (selfSigned && newIssuerCollection.Count != 0)
{
throw new ServiceResultException(StatusCodes.BadCertificateInvalid, "Issuer list not empty for self signed certificate.");
}
if (!selfSigned)
{
try
{
// verify cert with issuer chain
CertificateValidator certValidator = new CertificateValidator();
CertificateTrustList issuerStore = new CertificateTrustList();
CertificateIdentifierCollection issuerCollection = new CertificateIdentifierCollection();
foreach (var issuerCert in newIssuerCollection)
{
issuerCollection.Add(new CertificateIdentifier(issuerCert));
}
issuerStore.TrustedCertificates = issuerCollection;
certValidator.Update(issuerStore, issuerStore, null);
certValidator.Validate(newCert);
}
catch
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Failed to verify integrity of the new certificate and the issuer list.");
}
}
var updateCertificate = new UpdateCertificateData();
try
{
string password = String.Empty;
switch (privateKeyFormat)
{
case null:
case "":
{
X509Certificate2 certWithPrivateKey = certificateGroup.ApplicationCertificate.LoadPrivateKey(password).Result;
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPrivateKey(newCert, certWithPrivateKey);
break;
}
case "PFX":
{
X509Certificate2 certWithPrivateKey = CertificateFactory.CreateCertificateFromPKCS12(privateKey, password);
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPrivateKey(newCert, certWithPrivateKey);
break;
}
case "PEM":
{
updateCertificate.CertificateWithPrivateKey = CertificateFactory.CreateCertificateWithPEMPrivateKey(newCert, privateKey, password);
break;
}
}
updateCertificate.IssuerCollection = newIssuerCollection;
updateCertificate.SessionId = context.SessionId;
}
catch
{
throw new ServiceResultException(StatusCodes.BadSecurityChecksFailed, "Failed to verify integrity of the new certificate and the private key.");
}
certificateGroup.UpdateCertificate = updateCertificate;
applyChangesRequired = true;
return(ServiceResult.Good);
}
/// <summary>
/// Validates a certificate and adds it to the trust list.
/// </summary>
private void ValidateAndImport(CertificateStoreIdentifier store, X509Certificate2 certificate)
{
if (store == null || certificate == null)
{
return;
}
// validate the certificate using the trust lists for the certificate tool.
try
{
CertificateValidator validator = new CertificateValidator();
validator.Update(m_configuration);
validator.Validate(certificate);
}
catch (ServiceResultException exception)
{
if (!HandleValidationError(certificate, exception))
{
return;
}
}
// confirm import.
StringBuilder buffer = new StringBuilder();
buffer.Append("You are adding this certificate to a trust list that may be shared with other applications.");
buffer.Append("\r\n");
buffer.Append("\r\n");
buffer.Append("Would you still like to accept the certificate?\r\n");
buffer.Append("\r\n");
buffer.Append("Target Trust List = ");
buffer.Append(store.ToString());
buffer.Append("\r\n");
buffer.Append("Certificate to Add = ");
buffer.Append(certificate.Subject);
DialogResult result = new YesNoDlg().ShowDialog(buffer.ToString(), "Import Certificate to Trust List");
if (result != DialogResult.Yes)
{
return;
}
// update store.
ICertificateStore physicalStore = store.OpenStore();
if (physicalStore.FindByThumbprint(certificate.Thumbprint) == null)
{
physicalStore.Add(new X509Certificate2(certificate.RawData));
}
}
