private static unsafe int FindTemplateNameCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
IntPtr zero = IntPtr.Zero;
IntPtr ptr = IntPtr.Zero;
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT *)safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO)Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
zero = CAPISafe.CertFindExtension("1.3.6.1.4.1.311.20.2", cert_info.cExtension, cert_info.rgExtension);
ptr = CAPISafe.CertFindExtension("1.3.6.1.4.1.311.21.7", cert_info.cExtension, cert_info.rgExtension);
if ((zero != IntPtr.Zero) || (ptr != IntPtr.Zero))
{
if (zero != IntPtr.Zero)
{
CAPIBase.CERT_EXTENSION cert_extension = (CAPIBase.CERT_EXTENSION)Marshal.PtrToStructure(zero, typeof(CAPIBase.CERT_EXTENSION));
byte[] destination = new byte[cert_extension.Value.cbData];
Marshal.Copy(cert_extension.Value.pbData, destination, 0, destination.Length);
uint cbDecodedValue = 0;
SafeLocalAllocHandle decodedValue = null;
if (CAPI.DecodeObject(new IntPtr(0x18L), destination, out decodedValue, out cbDecodedValue))
{
CAPIBase.CERT_NAME_VALUE cert_name_value = (CAPIBase.CERT_NAME_VALUE)Marshal.PtrToStructure(decodedValue.DangerousGetHandle(), typeof(CAPIBase.CERT_NAME_VALUE));
if (string.Compare(Marshal.PtrToStringUni(cert_name_value.Value.pbData), (string)pvCallbackData, StringComparison.OrdinalIgnoreCase) == 0)
{
return(0);
}
}
}
if (ptr != IntPtr.Zero)
{
CAPIBase.CERT_EXTENSION cert_extension2 = (CAPIBase.CERT_EXTENSION)Marshal.PtrToStructure(ptr, typeof(CAPIBase.CERT_EXTENSION));
byte[] buffer2 = new byte[cert_extension2.Value.cbData];
Marshal.Copy(cert_extension2.Value.pbData, buffer2, 0, buffer2.Length);
uint num2 = 0;
SafeLocalAllocHandle handle2 = null;
if (CAPI.DecodeObject(new IntPtr(0x40L), buffer2, out handle2, out num2))
{
CAPIBase.CERT_TEMPLATE_EXT cert_template_ext = (CAPIBase.CERT_TEMPLATE_EXT)Marshal.PtrToStructure(handle2.DangerousGetHandle(), typeof(CAPIBase.CERT_TEMPLATE_EXT));
string strB = System.Security.Cryptography.X509Certificates.X509Utils.FindOidInfo(2, (string)pvCallbackData, System.Security.Cryptography.OidGroup.Template);
if (strB == null)
{
strB = (string)pvCallbackData;
}
if (string.Compare(cert_template_ext.pszObjId, strB, StringComparison.OrdinalIgnoreCase) == 0)
{
return(0);
}
}
}
}
return(1);
}
public unsafe string GetNameInfo(X509NameType nameType, bool forIssuer)
{
uint dwFlags = forIssuer ? 1 : 0;
uint dwDisplayType = System.Security.Cryptography.X509Certificates.X509Utils.MapNameType(nameType);
switch (dwDisplayType)
{
case 1:
return(CAPI.GetCertNameInfo(this.m_safeCertContext, dwFlags, dwDisplayType));
case 4:
return(CAPI.GetCertNameInfo(this.m_safeCertContext, dwFlags, dwDisplayType));
}
string str = string.Empty;
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT *) this.m_safeCertContext.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO)Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
IntPtr[] ptrArray = new IntPtr[] { CAPISafe.CertFindExtension(forIssuer ? "2.5.29.8" : "2.5.29.7", cert_info.cExtension, cert_info.rgExtension), CAPISafe.CertFindExtension(forIssuer ? "2.5.29.18" : "2.5.29.17", cert_info.cExtension, cert_info.rgExtension) };
for (int i = 0; i < ptrArray.Length; i++)
{
if (ptrArray[i] != IntPtr.Zero)
{
CAPIBase.CERT_EXTENSION cert_extension = (CAPIBase.CERT_EXTENSION)Marshal.PtrToStructure(ptrArray[i], typeof(CAPIBase.CERT_EXTENSION));
byte[] destination = new byte[cert_extension.Value.cbData];
Marshal.Copy(cert_extension.Value.pbData, destination, 0, destination.Length);
uint cbDecodedValue = 0;
SafeLocalAllocHandle decodedValue = null;
SafeLocalAllocHandle handle2 = System.Security.Cryptography.X509Certificates.X509Utils.StringToAnsiPtr(cert_extension.pszObjId);
bool flag = CAPI.DecodeObject(handle2.DangerousGetHandle(), destination, out decodedValue, out cbDecodedValue);
handle2.Dispose();
if (flag)
{
CAPIBase.CERT_ALT_NAME_INFO cert_alt_name_info = (CAPIBase.CERT_ALT_NAME_INFO)Marshal.PtrToStructure(decodedValue.DangerousGetHandle(), typeof(CAPIBase.CERT_ALT_NAME_INFO));
for (int j = 0; j < cert_alt_name_info.cAltEntry; j++)
{
IntPtr ptr = new IntPtr(((long)cert_alt_name_info.rgAltEntry) + (j * Marshal.SizeOf(typeof(CAPIBase.CERT_ALT_NAME_ENTRY))));
CAPIBase.CERT_ALT_NAME_ENTRY cert_alt_name_entry = (CAPIBase.CERT_ALT_NAME_ENTRY)Marshal.PtrToStructure(ptr, typeof(CAPIBase.CERT_ALT_NAME_ENTRY));
switch (dwDisplayType)
{
case 6:
if (cert_alt_name_entry.dwAltNameChoice == 3)
{
str = Marshal.PtrToStringUni(cert_alt_name_entry.Value.pwszDNSName);
}
break;
case 7:
if (cert_alt_name_entry.dwAltNameChoice == 7)
{
str = Marshal.PtrToStringUni(cert_alt_name_entry.Value.pwszURL);
}
break;
case 8:
if (cert_alt_name_entry.dwAltNameChoice == 1)
{
CAPIBase.CERT_OTHER_NAME cert_other_name = (CAPIBase.CERT_OTHER_NAME)Marshal.PtrToStructure(cert_alt_name_entry.Value.pOtherName, typeof(CAPIBase.CERT_OTHER_NAME));
if (cert_other_name.pszObjId == "1.3.6.1.4.1.311.20.2.3")
{
uint num6 = 0;
SafeLocalAllocHandle handle3 = null;
if (CAPI.DecodeObject(new IntPtr(0x18L), System.Security.Cryptography.X509Certificates.X509Utils.PtrToByte(cert_other_name.Value.pbData, cert_other_name.Value.cbData), out handle3, out num6))
{
CAPIBase.CERT_NAME_VALUE cert_name_value = (CAPIBase.CERT_NAME_VALUE)Marshal.PtrToStructure(handle3.DangerousGetHandle(), typeof(CAPIBase.CERT_NAME_VALUE));
if (System.Security.Cryptography.X509Certificates.X509Utils.IsCertRdnCharString(cert_name_value.dwValueType))
{
str = Marshal.PtrToStringUni(cert_name_value.Value.pbData);
}
handle3.Dispose();
}
}
}
break;
}
}
decodedValue.Dispose();
}
}
}
if ((nameType != X509NameType.DnsName) || ((str != null) && (str.Length != 0)))
{
return(str);
}
return(CAPI.GetCertNameInfo(this.m_safeCertContext, dwFlags, 3));
}