private static bool IsWhitelistedInCertBundle(SslSocket.BundleInfo bundleInfo, string uri, byte[] publicKey)
{
byte[] numArray = SHA256.Create().ComputeHash(publicKey);
for (int i = 0; i < bundleInfo.bundleKeyHashs.Count; i++)
{
if (numArray.SequenceEqual <byte>(bundleInfo.bundleKeyHashs[i]) && bundleInfo.bundleUris[i].Equals(uri))
{
return(true);
}
}
return(false);
}
private static bool GetBundleInfo(byte[] unsignedBundleBytes, out SslSocket.BundleInfo info)
{
info.bundleKeyHashs = new List <byte[]>();
info.bundleUris = new List <string>();
info.bundleCerts = new List <X509Certificate2>();
string text = null;
string @string = Encoding.ASCII.GetString(unsignedBundleBytes);
try
{
JsonNode jsonNode = Json.Deserialize(@string) as JsonNode;
JsonList jsonList = jsonNode["PublicKeys"] as JsonList;
foreach (object obj in jsonList)
{
JsonNode jsonNode2 = (JsonNode)obj;
string item = (string)jsonNode2["Uri"];
string hex = (string)jsonNode2["ShaHashPublicKeyInfo"];
byte[] item2 = null;
SslSocket.HexStrToBytesError hexStrToBytesError = SslSocket.HexStrToBytes(hex, out item2);
if (hexStrToBytesError != SslSocket.HexStrToBytesError.OK)
{
text = EnumUtils.GetString <SslSocket.HexStrToBytesError>(hexStrToBytesError);
break;
}
info.bundleKeyHashs.Add(item2);
info.bundleUris.Add(item);
}
JsonList jsonList2 = jsonNode["SigningCertificates"] as JsonList;
foreach (object obj2 in jsonList2)
{
JsonNode jsonNode3 = (JsonNode)obj2;
string s = (string)jsonNode3["RawData"];
byte[] bytes = Encoding.ASCII.GetBytes(s);
X509Certificate2 item3 = new X509Certificate2(bytes);
info.bundleCerts.Add(item3);
}
}
catch (Exception ex)
{
text = ex.ToString();
}
if (text != null)
{
SslSocket.s_log.LogWarning("Exception while trying to parse certificate bundle. {0}", new object[]
{
text
});
return(false);
}
return(true);
}
private static bool GetBundleInfo(byte[] unsignedBundleBytes, out SslSocket.BundleInfo info)
{
info = new SslSocket.BundleInfo();
info.bundleKeyHashs = new List <byte[]>();
info.bundleUris = new List <string>();
info.bundleCerts = new List <X509Certificate2>();
string str = null;
string str1 = Encoding.ASCII.GetString(unsignedBundleBytes);
try
{
JsonNode jsonNode = Json.Deserialize(str1) as JsonNode;
foreach (JsonNode item in jsonNode["PublicKeys"] as JsonList)
{
string item1 = (string)item["Uri"];
string item2 = (string)item["ShaHashPublicKeyInfo"];
byte[] numArray = null;
SslSocket.HexStrToBytesError bytes = SslSocket.HexStrToBytes(item2, out numArray);
if (bytes == SslSocket.HexStrToBytesError.OK)
{
info.bundleKeyHashs.Add(numArray);
info.bundleUris.Add(item1);
}
else
{
str = EnumUtils.GetString <SslSocket.HexStrToBytesError>(bytes);
break;
}
}
foreach (JsonNode jsonNode1 in jsonNode["SigningCertificates"] as JsonList)
{
string str2 = (string)jsonNode1["RawData"];
X509Certificate2 x509Certificate2 = new X509Certificate2(Encoding.ASCII.GetBytes(str2));
info.bundleCerts.Add(x509Certificate2);
}
}
catch (Exception exception)
{
str = exception.ToString();
}
if (str == null)
{
return(true);
}
SslSocket.s_log.LogWarning("Exception while trying to parse certificate bundle. {0}", new object[] { str });
return(false);
}
private static bool IsWhitelistedInCertBundle(SslSocket.BundleInfo bundleInfo, string uri, byte[] publicKey)
{
SHA256 sha = SHA256.Create();
byte[] first = sha.ComputeHash(publicKey);
for (int i = 0; i < bundleInfo.bundleKeyHashs.Count; i++)
{
byte[] second = bundleInfo.bundleKeyHashs[i];
if (first.SequenceEqual(second))
{
string text = bundleInfo.bundleUris[i];
if (text.Equals(uri))
{
return(true);
}
}
}
return(false);
}
private static SslSocket.CertValidationResult IsServerCertificateValid(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
SslStream key = (SslStream)sender;
SslSocket.SslStreamValidateContext sslStreamValidateContext = SslSocket.s_streamValidationContexts[key];
SslSocket sslSocket = sslStreamValidateContext.m_sslSocket;
SslCertBundleSettings bundleSettings = sslSocket.m_bundleSettings;
if (bundleSettings.bundle == null || !bundleSettings.bundle.IsUsingCertBundle)
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
List <string> commonNamesFromCertSubject = SslSocket.GetCommonNamesFromCertSubject(certificate.Subject);
SslSocket.BundleInfo bundleInfo = default(SslSocket.BundleInfo);
byte[] unsignedBundleBytes = bundleSettings.bundle.CertBundleBytes;
if (bundleSettings.bundle.isCertBundleSigned)
{
if (!SslSocket.VerifyBundleSignature(bundleSettings.bundle.CertBundleBytes))
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
unsignedBundleBytes = SslSocket.GetUnsignedBundleBytes(bundleSettings.bundle.CertBundleBytes);
}
if (!SslSocket.GetBundleInfo(unsignedBundleBytes, out bundleInfo))
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
bool flag = false;
byte[] publicKey = certificate.GetPublicKey();
foreach (string uri in commonNamesFromCertSubject)
{
if (SslSocket.IsWhitelistedInCertBundle(bundleInfo, uri, publicKey))
{
flag = true;
break;
}
}
if (!flag)
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
bool flag2 = SslSocket.IsCertSignedByBlizzard(certificate);
bool flag3 = BattleNet.Client().GetRuntimeEnvironment() == constants.RuntimeEnvironment.Mono;
bool flag4 = !flag2 && flag3 && chain.ChainElements.Count == 1;
try
{
if (sslPolicyErrors != SslPolicyErrors.None)
{
SslPolicyErrors sslPolicyErrors2 = (!flag2 && !flag4) ? SslPolicyErrors.None : (SslPolicyErrors.RemoteCertificateChainErrors | SslPolicyErrors.RemoteCertificateNotAvailable);
if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateNameMismatch) != SslPolicyErrors.None && sslSocket.m_connection.MatchSslCertName(commonNamesFromCertSubject))
{
sslPolicyErrors2 |= SslPolicyErrors.RemoteCertificateNameMismatch;
}
if ((sslPolicyErrors & ~(sslPolicyErrors2 != SslPolicyErrors.None)) != SslPolicyErrors.None)
{
SslSocket.s_log.LogWarning("Failed policy check. sslPolicyErrors: {0}, expectedPolicyErrors: {1}", new object[]
{
sslPolicyErrors,
sslPolicyErrors2
});
return(SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE);
}
}
if (chain.ChainElements == null)
{
SslSocket.s_log.LogWarning("ChainElements is null");
return(SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE);
}
foreach (X509ChainElement x509ChainElement in chain.ChainElements)
{
SslSocket.s_log.LogDebug("Certificate Thumbprint: {0}", new object[]
{
x509ChainElement.Certificate.Thumbprint
});
foreach (X509ChainStatus x509ChainStatus in x509ChainElement.ChainElementStatus)
{
SslSocket.s_log.LogDebug(" Certificate Status: {0}", new object[]
{
x509ChainStatus.Status
});
}
}
bool flag5 = false;
if (flag2)
{
if (chain.ChainElements.Count == 1)
{
chain.ChainPolicy.ExtraStore.Add(SslSocket.s_rootCertificate);
chain.Build(new X509Certificate2(certificate));
flag5 = true;
}
}
else if (flag4 && bundleInfo.bundleCerts != null)
{
foreach (X509Certificate2 certificate2 in bundleInfo.bundleCerts)
{
chain.ChainPolicy.ExtraStore.Add(certificate2);
}
chain.Build(new X509Certificate2(certificate));
flag5 = true;
}
for (int j = 0; j < chain.ChainElements.Count; j++)
{
if (chain.ChainElements[j] == null)
{
SslSocket.s_log.LogWarning("ChainElements[" + j + "] is null");
return((!flag5) ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
}
if (flag2)
{
string text;
if (BattleNet.Client().GetMobileEnvironment() == constants.MobileEnv.PRODUCTION)
{
text = "673D9D1072B625CAD95CB47BF0F0F512233E39FD";
}
else
{
text = "C0805E3CF51F1A56CE9E6E35CB4F4901B68128B7";
}
if (chain.ChainElements[1].Certificate.Thumbprint != text)
{
SslSocket.s_log.LogWarning("Root certificate thumb print check failure");
SslSocket.s_log.LogWarning(" expected: {0}", new object[]
{
text
});
SslSocket.s_log.LogWarning(" received: {0}", new object[]
{
chain.ChainElements[1].Certificate.Thumbprint
});
return((!flag5) ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
}
for (int k = 0; k < chain.ChainElements.Count; k++)
{
if (DateTime.Now > chain.ChainElements[k].Certificate.NotAfter)
{
SslSocket.s_log.LogWarning("ChainElements[" + k + "] certificate is expired.");
return((!flag5) ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
}
foreach (X509ChainElement x509ChainElement2 in chain.ChainElements)
{
foreach (X509ChainStatus x509ChainStatus2 in x509ChainElement2.ChainElementStatus)
{
if ((!flag2 && !flag5) || x509ChainStatus2.Status != X509ChainStatusFlags.UntrustedRoot)
{
SslSocket.s_log.LogWarning("Found unexpected chain error={0}.", new object[]
{
x509ChainStatus2.Status
});
return((!flag5) ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
}
}
X509Certificate2 x509Certificate = new X509Certificate2(chain.ChainElements[0].Certificate);
SslSocket.s_log.LogDebug("Received valid certificate from FRONT >");
SslSocket.s_log.LogDebug(" Subject: {0}", new object[]
{
x509Certificate.Subject
});
SslSocket.s_log.LogDebug(" Issuer: {0}", new object[]
{
x509Certificate.Issuer
});
SslSocket.s_log.LogDebug(" Version: {0}", new object[]
{
x509Certificate.Version
});
SslSocket.s_log.LogDebug(" Valid Date: {0}", new object[]
{
x509Certificate.NotBefore
});
SslSocket.s_log.LogDebug(" Expiry Date: {0}", new object[]
{
x509Certificate.NotAfter
});
SslSocket.s_log.LogDebug(" Thumbprint: {0}", new object[]
{
x509Certificate.Thumbprint
});
SslSocket.s_log.LogDebug(" Serial Number: {0}", new object[]
{
x509Certificate.SerialNumber
});
SslSocket.s_log.LogDebug(" Friendly Name: {0}", new object[]
{
x509Certificate.FriendlyName
});
SslSocket.s_log.LogDebug(" Public Key Format: {0}", new object[]
{
x509Certificate.PublicKey.EncodedKeyValue.Format(true)
});
SslSocket.s_log.LogDebug(" Raw Data Length: {0}", new object[]
{
x509Certificate.RawData.Length
});
SslSocket.s_log.LogDebug(" CN: {0}", new object[]
{
x509Certificate.GetNameInfo(X509NameType.DnsName, false)
});
}
catch (Exception ex)
{
SslSocket.s_log.LogWarning("Exception while trying to validate certificate. {0}", new object[]
{
ex
});
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
return(SslSocket.CertValidationResult.OK);
}
private static SslSocket.CertValidationResult IsServerCertificateValid(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
SslSocket.CertValidationResult certValidationResult;
string str;
SslStream sslStream = (SslStream)sender;
SslSocket mSslSocket = SslSocket.s_streamValidationContexts[sslStream].m_sslSocket;
SslCertBundleSettings mBundleSettings = mSslSocket.m_bundleSettings;
if (mBundleSettings.bundle == null || !mBundleSettings.bundle.IsUsingCertBundle)
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
List <string> commonNamesFromCertSubject = SslSocket.GetCommonNamesFromCertSubject(certificate.Subject);
SslSocket.BundleInfo bundleInfo = new SslSocket.BundleInfo();
byte[] certBundleBytes = mBundleSettings.bundle.CertBundleBytes;
if (mBundleSettings.bundle.isCertBundleSigned)
{
if (!SslSocket.VerifyBundleSignature(mBundleSettings.bundle.CertBundleBytes))
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
certBundleBytes = SslSocket.GetUnsignedBundleBytes(mBundleSettings.bundle.CertBundleBytes);
}
if (!SslSocket.GetBundleInfo(certBundleBytes, out bundleInfo))
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
bool flag = false;
byte[] publicKey = certificate.GetPublicKey();
foreach (string str1 in commonNamesFromCertSubject)
{
if (!SslSocket.IsWhitelistedInCertBundle(bundleInfo, str1, publicKey))
{
continue;
}
flag = true;
break;
}
if (!flag)
{
return(SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
}
bool flag1 = SslSocket.IsCertSignedByBlizzard(certificate);
bool runtimeEnvironment = BattleNet.Client().GetRuntimeEnvironment() == constants.RuntimeEnvironment.Mono;
bool flag2 = (flag1 || !runtimeEnvironment ? false : chain.ChainElements.Count == 1);
try
{
if (sslPolicyErrors != SslPolicyErrors.None)
{
SslPolicyErrors sslPolicyError = (flag1 || flag2 ? SslPolicyErrors.RemoteCertificateNotAvailable | SslPolicyErrors.RemoteCertificateChainErrors : SslPolicyErrors.None);
if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateNameMismatch) != SslPolicyErrors.None && mSslSocket.m_connection.MatchSslCertName(commonNamesFromCertSubject))
{
sslPolicyError |= SslPolicyErrors.RemoteCertificateNameMismatch;
}
if ((sslPolicyErrors & ~sslPolicyError) != SslPolicyErrors.None)
{
SslSocket.s_log.LogWarning("Failed policy check. sslPolicyErrors: {0}, expectedPolicyErrors: {1}", new object[] { sslPolicyErrors, sslPolicyError });
certValidationResult = SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE;
return(certValidationResult);
}
}
if (chain.ChainElements != null)
{
X509ChainElementEnumerator enumerator = chain.ChainElements.GetEnumerator();
while (enumerator.MoveNext())
{
X509ChainElement current = enumerator.Current;
SslSocket.s_log.LogDebug("Certificate Thumbprint: {0}", new object[] { current.Certificate.Thumbprint });
X509ChainStatus[] chainElementStatus = current.ChainElementStatus;
for (int i = 0; i < (int)chainElementStatus.Length; i++)
{
X509ChainStatus x509ChainStatu = chainElementStatus[i];
SslSocket.s_log.LogDebug(" Certificate Status: {0}", new object[] { x509ChainStatu.Status });
}
}
bool flag3 = false;
if (flag1)
{
if (chain.ChainElements.Count == 1)
{
chain.ChainPolicy.ExtraStore.Add(SslSocket.s_rootCertificate);
chain.Build(new X509Certificate2(certificate));
flag3 = true;
}
}
else if (flag2 && bundleInfo.bundleCerts != null)
{
foreach (X509Certificate2 bundleCert in bundleInfo.bundleCerts)
{
chain.ChainPolicy.ExtraStore.Add(bundleCert);
}
chain.Build(new X509Certificate2(certificate));
flag3 = true;
}
int num = 0;
while (num < chain.ChainElements.Count)
{
if (chain.ChainElements[num] != null)
{
num++;
}
else
{
SslSocket.s_log.LogWarning(string.Concat("ChainElements[", num, "] is null"));
certValidationResult = (!flag3 ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
return(certValidationResult);
}
}
if (flag1)
{
str = (BattleNet.Client().GetMobileEnvironment() != constants.MobileEnv.PRODUCTION ? "C0805E3CF51F1A56CE9E6E35CB4F4901B68128B7" : "673D9D1072B625CAD95CB47BF0F0F512233E39FD");
if (chain.ChainElements[1].Certificate.Thumbprint != str)
{
SslSocket.s_log.LogWarning("Root certificate thumb print check failure");
SslSocket.s_log.LogWarning(" expected: {0}", new object[] { str });
SslSocket.s_log.LogWarning(" received: {0}", new object[] { chain.ChainElements[1].Certificate.Thumbprint });
certValidationResult = (!flag3 ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
return(certValidationResult);
}
}
int num1 = 0;
while (num1 < chain.ChainElements.Count)
{
if (DateTime.Now <= chain.ChainElements[num1].Certificate.NotAfter)
{
num1++;
}
else
{
SslSocket.s_log.LogWarning(string.Concat("ChainElements[", num1, "] certificate is expired."));
certValidationResult = (!flag3 ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
return(certValidationResult);
}
}
X509ChainElementEnumerator x509ChainElementEnumerator = chain.ChainElements.GetEnumerator();
while (x509ChainElementEnumerator.MoveNext())
{
X509ChainStatus[] x509ChainStatusArray = x509ChainElementEnumerator.Current.ChainElementStatus;
int num2 = 0;
while (num2 < (int)x509ChainStatusArray.Length)
{
X509ChainStatus x509ChainStatu1 = x509ChainStatusArray[num2];
if ((flag1 || flag3) && x509ChainStatu1.Status == X509ChainStatusFlags.UntrustedRoot)
{
num2++;
}
else
{
SslSocket.s_log.LogWarning("Found unexpected chain error={0}.", new object[] { x509ChainStatu1.Status });
certValidationResult = (!flag3 ? SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE : SslSocket.CertValidationResult.FAILED_CERT_BUNDLE);
return(certValidationResult);
}
}
}
X509Certificate2 x509Certificate2 = new X509Certificate2(chain.ChainElements[0].Certificate);
SslSocket.s_log.LogDebug("Received valid certificate from FRONT >");
SslSocket.s_log.LogDebug(" Subject: {0}", new object[] { x509Certificate2.Subject });
SslSocket.s_log.LogDebug(" Issuer: {0}", new object[] { x509Certificate2.Issuer });
SslSocket.s_log.LogDebug(" Version: {0}", new object[] { x509Certificate2.Version });
SslSocket.s_log.LogDebug(" Valid Date: {0}", new object[] { x509Certificate2.NotBefore });
SslSocket.s_log.LogDebug(" Expiry Date: {0}", new object[] { x509Certificate2.NotAfter });
SslSocket.s_log.LogDebug(" Thumbprint: {0}", new object[] { x509Certificate2.Thumbprint });
SslSocket.s_log.LogDebug(" Serial Number: {0}", new object[] { x509Certificate2.SerialNumber });
SslSocket.s_log.LogDebug(" Friendly Name: {0}", new object[] { x509Certificate2.FriendlyName });
SslSocket.s_log.LogDebug(" Public Key Format: {0}", new object[] { x509Certificate2.PublicKey.EncodedKeyValue.Format(true) });
SslSocket.s_log.LogDebug(" Raw Data Length: {0}", new object[] { (int)x509Certificate2.RawData.Length });
SslSocket.s_log.LogDebug(" CN: {0}", new object[] { x509Certificate2.GetNameInfo(X509NameType.DnsName, false) });
return(SslSocket.CertValidationResult.OK);
}
else
{
SslSocket.s_log.LogWarning("ChainElements is null");
certValidationResult = SslSocket.CertValidationResult.FAILED_SERVER_RESPONSE;
}
}
catch (Exception exception)
{
SslSocket.s_log.LogWarning("Exception while trying to validate certificate. {0}", new object[] { exception });
certValidationResult = SslSocket.CertValidationResult.FAILED_CERT_BUNDLE;
}
return(certValidationResult);
}
