internal static unsafe int BuildChain(IntPtr hChainEngine, System.Security.Cryptography.SafeCertContextHandle pCertContext, X509Certificate2Collection extraStore, OidCollection applicationPolicy, OidCollection certificatePolicy, X509RevocationMode revocationMode, X509RevocationFlag revocationFlag, DateTime verificationTime, TimeSpan timeout, ref SafeCertChainHandle ppChainContext)
{
if (pCertContext == null || pCertContext.IsInvalid)
throw new ArgumentException(SecurityResources.GetResourceString("Cryptography_InvalidContextHandle"), "pCertContext");
SafeCertStoreHandle hAdditionalStore = SafeCertStoreHandle.InvalidHandle;
if (extraStore != null && extraStore.Count > 0)
hAdditionalStore = X509Utils.ExportToMemoryStore(extraStore);
CAPI.CERT_CHAIN_PARA pChainPara = new CAPI.CERT_CHAIN_PARA();
pChainPara.cbSize = (uint)Marshal.SizeOf((object)pChainPara);
SafeLocalAllocHandle localAllocHandle1 = SafeLocalAllocHandle.InvalidHandle;
if (applicationPolicy != null && applicationPolicy.Count > 0)
{
pChainPara.RequestedUsage.dwType = 0U;
pChainPara.RequestedUsage.Usage.cUsageIdentifier = (uint)applicationPolicy.Count;
localAllocHandle1 = X509Utils.CopyOidsToUnmanagedMemory(applicationPolicy);
pChainPara.RequestedUsage.Usage.rgpszUsageIdentifier = localAllocHandle1.DangerousGetHandle();
}
SafeLocalAllocHandle localAllocHandle2 = SafeLocalAllocHandle.InvalidHandle;
if (certificatePolicy != null && certificatePolicy.Count > 0)
{
pChainPara.RequestedIssuancePolicy.dwType = 0U;
pChainPara.RequestedIssuancePolicy.Usage.cUsageIdentifier = (uint)certificatePolicy.Count;
localAllocHandle2 = X509Utils.CopyOidsToUnmanagedMemory(certificatePolicy);
pChainPara.RequestedIssuancePolicy.Usage.rgpszUsageIdentifier = localAllocHandle2.DangerousGetHandle();
}
pChainPara.dwUrlRetrievalTimeout = (uint)timeout.Milliseconds;
System.Runtime.InteropServices.ComTypes.FILETIME pTime = new System.Runtime.InteropServices.ComTypes.FILETIME();
*(long*)&pTime = verificationTime.ToFileTime();
uint dwFlags = X509Utils.MapRevocationFlags(revocationMode, revocationFlag);
if (!CAPI.CAPISafe.CertGetCertificateChain(hChainEngine, pCertContext, ref pTime, hAdditionalStore, ref pChainPara, dwFlags, IntPtr.Zero, out ppChainContext))
return Marshal.GetHRForLastWin32Error();
localAllocHandle1.Dispose();
localAllocHandle2.Dispose();
return 0;
}
internal static unsafe int BuildChain(IntPtr hChainEngine, System.Security.Cryptography.SafeCertContextHandle pCertContext, X509Certificate2Collection extraStore, OidCollection applicationPolicy, OidCollection certificatePolicy, X509RevocationMode revocationMode, X509RevocationFlag revocationFlag, DateTime verificationTime, TimeSpan timeout, ref SafeCertChainHandle ppChainContext)
{
if (pCertContext == null || pCertContext.IsInvalid)
{
throw new ArgumentException(SecurityResources.GetResourceString("Cryptography_InvalidContextHandle"), "pCertContext");
}
SafeCertStoreHandle hAdditionalStore = SafeCertStoreHandle.InvalidHandle;
if (extraStore != null && extraStore.Count > 0)
{
hAdditionalStore = X509Utils.ExportToMemoryStore(extraStore);
}
CAPI.CERT_CHAIN_PARA pChainPara = new CAPI.CERT_CHAIN_PARA();
pChainPara.cbSize = (uint)Marshal.SizeOf((object)pChainPara);
SafeLocalAllocHandle localAllocHandle1 = SafeLocalAllocHandle.InvalidHandle;
if (applicationPolicy != null && applicationPolicy.Count > 0)
{
pChainPara.RequestedUsage.dwType = 0U;
pChainPara.RequestedUsage.Usage.cUsageIdentifier = (uint)applicationPolicy.Count;
localAllocHandle1 = X509Utils.CopyOidsToUnmanagedMemory(applicationPolicy);
pChainPara.RequestedUsage.Usage.rgpszUsageIdentifier = localAllocHandle1.DangerousGetHandle();
}
SafeLocalAllocHandle localAllocHandle2 = SafeLocalAllocHandle.InvalidHandle;
if (certificatePolicy != null && certificatePolicy.Count > 0)
{
pChainPara.RequestedIssuancePolicy.dwType = 0U;
pChainPara.RequestedIssuancePolicy.Usage.cUsageIdentifier = (uint)certificatePolicy.Count;
localAllocHandle2 = X509Utils.CopyOidsToUnmanagedMemory(certificatePolicy);
pChainPara.RequestedIssuancePolicy.Usage.rgpszUsageIdentifier = localAllocHandle2.DangerousGetHandle();
}
pChainPara.dwUrlRetrievalTimeout = (uint)timeout.Milliseconds;
System.Runtime.InteropServices.ComTypes.FILETIME pTime = new System.Runtime.InteropServices.ComTypes.FILETIME();
*(long *)&pTime = verificationTime.ToFileTime();
uint dwFlags = X509Utils.MapRevocationFlags(revocationMode, revocationFlag);
if (!CAPI.CAPISafe.CertGetCertificateChain(hChainEngine, pCertContext, ref pTime, hAdditionalStore, ref pChainPara, dwFlags, IntPtr.Zero, out ppChainContext))
{
return(Marshal.GetHRForLastWin32Error());
}
localAllocHandle1.Dispose();
localAllocHandle2.Dispose();
return(0);
}
//
// Builds a certificate chain.
//
internal static unsafe int BuildChain(IntPtr hChainEngine,
SafeCertContextHandle pCertContext,
X509Certificate2Collection extraStore,
OidCollection applicationPolicy,
OidCollection certificatePolicy,
X509RevocationMode revocationMode,
X509RevocationFlag revocationFlag,
DateTime verificationTime,
TimeSpan timeout,
ref SafeCertChainHandle ppChainContext)
{
if (pCertContext == null || pCertContext.IsInvalid)
{
throw new ArgumentException(SR.GetString(SR.Cryptography_InvalidContextHandle), "pCertContext");
}
SafeCertStoreHandle hCertStore = SafeCertStoreHandle.InvalidHandle;
if (extraStore != null && extraStore.Count > 0)
{
hCertStore = X509Utils.ExportToMemoryStore(extraStore);
}
CAPI.CERT_CHAIN_PARA ChainPara = new CAPI.CERT_CHAIN_PARA();
// Initialize the structure size.
ChainPara.cbSize = (uint)Marshal.SizeOf(ChainPara);
SafeLocalAllocHandle applicationPolicyHandle = SafeLocalAllocHandle.InvalidHandle;
SafeLocalAllocHandle certificatePolicyHandle = SafeLocalAllocHandle.InvalidHandle;
try {
// Application policy
if (applicationPolicy != null && applicationPolicy.Count > 0)
{
ChainPara.RequestedUsage.dwType = CAPI.USAGE_MATCH_TYPE_AND;
ChainPara.RequestedUsage.Usage.cUsageIdentifier = (uint)applicationPolicy.Count;
applicationPolicyHandle = X509Utils.CopyOidsToUnmanagedMemory(applicationPolicy);
ChainPara.RequestedUsage.Usage.rgpszUsageIdentifier = applicationPolicyHandle.DangerousGetHandle();
}
// Certificate policy
if (certificatePolicy != null && certificatePolicy.Count > 0)
{
ChainPara.RequestedIssuancePolicy.dwType = CAPI.USAGE_MATCH_TYPE_AND;
ChainPara.RequestedIssuancePolicy.Usage.cUsageIdentifier = (uint)certificatePolicy.Count;
certificatePolicyHandle = X509Utils.CopyOidsToUnmanagedMemory(certificatePolicy);
ChainPara.RequestedIssuancePolicy.Usage.rgpszUsageIdentifier = certificatePolicyHandle.DangerousGetHandle();
}
ChainPara.dwUrlRetrievalTimeout = (uint)Math.Floor(timeout.TotalMilliseconds);
_FILETIME ft = new _FILETIME();
*((long *)&ft) = verificationTime.ToFileTime();
uint flags = X509Utils.MapRevocationFlags(revocationMode, revocationFlag);
// Build the chain.
if (!CAPI.CertGetCertificateChain(hChainEngine,
pCertContext,
ref ft,
hCertStore,
ref ChainPara,
flags,
IntPtr.Zero,
ref ppChainContext))
{
return(Marshal.GetHRForLastWin32Error());
}
}
finally {
applicationPolicyHandle.Dispose();
certificatePolicyHandle.Dispose();
}
return(CAPI.S_OK);
}
static unsafe void BuildChain(IntPtr hChainEngine,
IntPtr pCertContext,
X509Certificate2Collection extraStore,
OidCollection applicationPolicy,
OidCollection certificatePolicy,
X509RevocationMode revocationMode,
X509RevocationFlag revocationFlag,
DateTime verificationTime,
TimeSpan timeout,
out SafeCertChainHandle ppChainContext)
{
SafeCertStoreHandle hCertStore = ExportToMemoryStore(extraStore, pCertContext);
CAPI.CERT_CHAIN_PARA ChainPara = new CAPI.CERT_CHAIN_PARA();
ChainPara.cbSize = (uint)Marshal.SizeOf(typeof(CAPI.CERT_CHAIN_PARA));
// Application policy
SafeHGlobalHandle applicationPolicyHandle = SafeHGlobalHandle.InvalidHandle;
SafeHGlobalHandle certificatePolicyHandle = SafeHGlobalHandle.InvalidHandle;
try
{
if (applicationPolicy != null && applicationPolicy.Count > 0)
{
ChainPara.RequestedUsage.dwType = CAPI.USAGE_MATCH_TYPE_AND;
ChainPara.RequestedUsage.Usage.cUsageIdentifier = (uint)applicationPolicy.Count;
applicationPolicyHandle = CopyOidsToUnmanagedMemory(applicationPolicy);
ChainPara.RequestedUsage.Usage.rgpszUsageIdentifier = applicationPolicyHandle.DangerousGetHandle();
}
// Certificate policy
if (certificatePolicy != null && certificatePolicy.Count > 0)
{
ChainPara.RequestedIssuancePolicy.dwType = CAPI.USAGE_MATCH_TYPE_AND;
ChainPara.RequestedIssuancePolicy.Usage.cUsageIdentifier = (uint)certificatePolicy.Count;
certificatePolicyHandle = CopyOidsToUnmanagedMemory(certificatePolicy);
ChainPara.RequestedIssuancePolicy.Usage.rgpszUsageIdentifier = certificatePolicyHandle.DangerousGetHandle();
}
ChainPara.dwUrlRetrievalTimeout = (uint)timeout.Milliseconds;
FILETIME ft = new FILETIME();
*((long *)&ft) = verificationTime.ToFileTime();
uint flags = MapRevocationFlags(revocationMode, revocationFlag);
// Build the chain.
if (!CAPI.CertGetCertificateChain(hChainEngine,
pCertContext,
ref ft,
hCertStore,
ref ChainPara,
flags,
IntPtr.Zero,
out ppChainContext))
{
int error = Marshal.GetLastWin32Error();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CryptographicException(error));
}
}
finally
{
if (applicationPolicyHandle != null)
{
applicationPolicyHandle.Dispose();
}
if (certificatePolicyHandle != null)
{
certificatePolicyHandle.Dispose();
}
hCertStore.Close();
}
}
