Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Tools / WSATConfig / Configuration / CertificateManager.cs / 1305376 / CertificateManager.cs
//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.Tools.ServiceModel.WsatConfig
{
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography;
static class CertificateManager
{
static string certificateStore = @"Software\Microsoft\SystemCertificates\My";
// Throw if cannot open a valid store handle
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static SafeCertificateStore GetCertificateStorePointer(string machineName)
{
SafeCertificateStore storeHandle;
RegistryExceptionHelper registryExceptionHelper = new RegistryExceptionHelper(machineName, RegistryHive.LocalMachine, certificateStore);
if (Utilities.IsLocalMachineName(machineName))
{
SafeRegistryKey hive = new SafeRegistryKey(new IntPtr((int)Microsoft.Win32.RegistryHive.LocalMachine), false);
SafeRegistryKey regKey = null;
try
{
int ret = SafeNativeMethods.RegOpenKeyEx(
hive,
certificateStore,
0,
SafeNativeMethods.KEY_READ,
out regKey);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
storeHandle = SafeNativeMethods.CertOpenStore_ptr(
SafeNativeMethods.CERT_STORE_PROV_REG,
0,
0,
SafeNativeMethods.CERT_STORE_OPEN_EXISTING_FLAG |
SafeNativeMethods.CERT_STORE_READONLY_FLAG,
regKey);
if (storeHandle.IsInvalid)
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, Marshal.GetLastWin32Error()));
}
return storeHandle;
}
finally
{
if (regKey != null)
{
regKey.Close();
}
hive.Close();
}
}
#if WSAT_UI
else
{
SafeRegistryKey remoteBase = null;
SafeRegistryKey finalKey = null;
try
{
int ret = SafeNativeMethods.RegConnectRegistry(
machineName,
new SafeRegistryKey(new IntPtr((int)Microsoft.Win32.RegistryHive.LocalMachine), false),
out remoteBase);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
ret = SafeNativeMethods.RegOpenKeyEx(
remoteBase,
certificateStore,
0,
SafeNativeMethods.KEY_READ,
out finalKey);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
storeHandle = SafeNativeMethods.CertOpenStore_ptr(
SafeNativeMethods.CERT_STORE_PROV_REG,
0, 0,
SafeNativeMethods.CERT_REGISTRY_STORE_REMOTE_FLAG |
SafeNativeMethods.CERT_STORE_READONLY_FLAG |
SafeNativeMethods.CERT_STORE_OPEN_EXISTING_FLAG,
finalKey);
if(storeHandle.IsInvalid)
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, Marshal.GetLastWin32Error()));
}
return storeHandle;
}
finally
{
if (remoteBase != null)
{
remoteBase.Close();
}
if (finalKey != null)
{
finalKey.Close();
}
}
}
#else
else
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, 0));
}
#endif
}
#if WSAT_CMDLINE
// Input: "Issuer\SubjectName". Issuer and SubjectName can be wildcard character '*'
// This one is not required to support remote machine operation so we could rely on the NDP certificate API
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static X509Certificate2 GetCertificateFromIssuerAndSubjectName(string constraint)
{
if (string.IsNullOrEmpty(constraint) || constraint.Length < 3)
{
return null;
}
int separatorIndex = constraint.IndexOf('\\');
if(separatorIndex <= 0) // issuer can't be empty but can be '*'
{
return null;
}
string issuer, subjectName;
issuer = constraint.Substring(0, separatorIndex);
subjectName = constraint.Substring(separatorIndex+1, constraint.Length-separatorIndex-1);
if (Utilities.SafeCompare(subjectName, "{EMPTY}"))
{
subjectName = string.Empty;
}
X509Store store = null;
try
{
store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
X509Certificate2Collection certs = store.Certificates;
if (certs == null || certs.Count == 0)
{
return null;
}
if (!Utilities.SafeCompare(issuer, "*"))
{
certs = certs.Find(X509FindType.FindByIssuerDistinguishedName, issuer, false);
}
if (certs.Count > 0 && !Utilities.SafeCompare(subjectName, "*"))
{
certs = certs.Find(X509FindType.FindBySubjectDistinguishedName, subjectName, false);
}
if (certs.Count == 1)
{
return certs[0];
}
}
catch (ArgumentException)
{
// does nothing
}
catch (SecurityException)
{
// does nothing
}
catch (CryptographicException)
{
// does nothing
}
finally
{
if (store != null)
{
store.Close();
}
}
return null;
}
#endif
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static X509Certificate2 GetCertificateFromThumbprint(string thumbprint, string machineName)
{
if (String.IsNullOrEmpty(thumbprint))
{
return null;
}
X509Certificate2 cert = null;
SafeCertificateStore storeHandle = CertificateManager.GetCertificateStorePointer(machineName);
SafeCertificateContext prev = new SafeCertificateContext();
SafeCertificateContext current = new SafeCertificateContext();
bool foundThumbprint = false;
do
{
// the CertFindCertificateInStore function frees the SafeHandleCertificateContext
// referenced by non-null values of "prev"
#pragma warning suppress 56523
current = SafeNativeMethods.CertFindCertificateInStore(
storeHandle,
SafeNativeMethods.X509_ASN_ENCODING,
0,
SafeNativeMethods.CERT_FIND_ANY,
IntPtr.Zero,
prev);
prev = current;
if (!current.IsInvalid)
{
cert = current.GetNewX509Certificate();
if (Utilities.SafeCompare(cert.Thumbprint, thumbprint))
{
foundThumbprint = true;
}
}
} while (!current.IsInvalid && !foundThumbprint);
storeHandle.Close();
prev.Close();
if (!current.IsInvalid)
{
current.Close();
return cert;
}
else
{
return null;
}
}
#if WSAT_CMDLINE
internal static X509Certificate2 GetMachineIdentityCertificate()
{
X509Store store = null;
try
{
store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
string hostName = System.Net.Dns.GetHostEntry(string.Empty).HostName;
X509Certificate2 result = null;
int count = 0;
// The best way to find the Issued-to-machine certificate is to walk through each one and compare the DnsName
foreach (X509Certificate2 cert in store.Certificates)
{
if (Utilities.SafeCompare(cert.GetNameInfo(X509NameType.DnsName, false), hostName))
{
try
{
WsatConfiguration.ValidateIdentityCertificateThrow(cert, false);
if (++count > 1)
{
break;
}
result = cert;
}
catch(WsatAdminException)
{
// Explicitly ignore
}
}
}
// We only use the cert if we found one and only one
return (count == 1) ? result : null;
}
catch (ArgumentException)
{
return null;
}
catch (SecurityException)
{
return null;
}
catch (CryptographicException)
{
return null;
}
finally
{
if (store != null)
{
store.Close();
}
}
}
#endif
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.Tools.ServiceModel.WsatConfig
{
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography;
static class CertificateManager
{
static string certificateStore = @"Software\Microsoft\SystemCertificates\My";
// Throw if cannot open a valid store handle
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static SafeCertificateStore GetCertificateStorePointer(string machineName)
{
SafeCertificateStore storeHandle;
RegistryExceptionHelper registryExceptionHelper = new RegistryExceptionHelper(machineName, RegistryHive.LocalMachine, certificateStore);
if (Utilities.IsLocalMachineName(machineName))
{
SafeRegistryKey hive = new SafeRegistryKey(new IntPtr((int)Microsoft.Win32.RegistryHive.LocalMachine), false);
SafeRegistryKey regKey = null;
try
{
int ret = SafeNativeMethods.RegOpenKeyEx(
hive,
certificateStore,
0,
SafeNativeMethods.KEY_READ,
out regKey);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
storeHandle = SafeNativeMethods.CertOpenStore_ptr(
SafeNativeMethods.CERT_STORE_PROV_REG,
0,
0,
SafeNativeMethods.CERT_STORE_OPEN_EXISTING_FLAG |
SafeNativeMethods.CERT_STORE_READONLY_FLAG,
regKey);
if (storeHandle.IsInvalid)
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, Marshal.GetLastWin32Error()));
}
return storeHandle;
}
finally
{
if (regKey != null)
{
regKey.Close();
}
hive.Close();
}
}
#if WSAT_UI
else
{
SafeRegistryKey remoteBase = null;
SafeRegistryKey finalKey = null;
try
{
int ret = SafeNativeMethods.RegConnectRegistry(
machineName,
new SafeRegistryKey(new IntPtr((int)Microsoft.Win32.RegistryHive.LocalMachine), false),
out remoteBase);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
ret = SafeNativeMethods.RegOpenKeyEx(
remoteBase,
certificateStore,
0,
SafeNativeMethods.KEY_READ,
out finalKey);
if (ret != SafeNativeMethods.ERROR_SUCCESS)
{
throw registryExceptionHelper.CreateRegistryAccessException(ret);
}
storeHandle = SafeNativeMethods.CertOpenStore_ptr(
SafeNativeMethods.CERT_STORE_PROV_REG,
0, 0,
SafeNativeMethods.CERT_REGISTRY_STORE_REMOTE_FLAG |
SafeNativeMethods.CERT_STORE_READONLY_FLAG |
SafeNativeMethods.CERT_STORE_OPEN_EXISTING_FLAG,
finalKey);
if(storeHandle.IsInvalid)
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, Marshal.GetLastWin32Error()));
}
return storeHandle;
}
finally
{
if (remoteBase != null)
{
remoteBase.Close();
}
if (finalKey != null)
{
finalKey.Close();
}
}
}
#else
else
{
throw new WsatAdminException(WsatAdminErrorCode.CERT_STORE_ACCESS, SR.GetString(SR.ErrorAccessCertStore, 0));
}
#endif
}
#if WSAT_CMDLINE
// Input: "Issuer\SubjectName". Issuer and SubjectName can be wildcard character '*'
// This one is not required to support remote machine operation so we could rely on the NDP certificate API
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static X509Certificate2 GetCertificateFromIssuerAndSubjectName(string constraint)
{
if (string.IsNullOrEmpty(constraint) || constraint.Length < 3)
{
return null;
}
int separatorIndex = constraint.IndexOf('\\');
if(separatorIndex <= 0) // issuer can't be empty but can be '*'
{
return null;
}
string issuer, subjectName;
issuer = constraint.Substring(0, separatorIndex);
subjectName = constraint.Substring(separatorIndex+1, constraint.Length-separatorIndex-1);
if (Utilities.SafeCompare(subjectName, "{EMPTY}"))
{
subjectName = string.Empty;
}
X509Store store = null;
try
{
store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
X509Certificate2Collection certs = store.Certificates;
if (certs == null || certs.Count == 0)
{
return null;
}
if (!Utilities.SafeCompare(issuer, "*"))
{
certs = certs.Find(X509FindType.FindByIssuerDistinguishedName, issuer, false);
}
if (certs.Count > 0 && !Utilities.SafeCompare(subjectName, "*"))
{
certs = certs.Find(X509FindType.FindBySubjectDistinguishedName, subjectName, false);
}
if (certs.Count == 1)
{
return certs[0];
}
}
catch (ArgumentException)
{
// does nothing
}
catch (SecurityException)
{
// does nothing
}
catch (CryptographicException)
{
// does nothing
}
finally
{
if (store != null)
{
store.Close();
}
}
return null;
}
#endif
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
internal static X509Certificate2 GetCertificateFromThumbprint(string thumbprint, string machineName)
{
if (String.IsNullOrEmpty(thumbprint))
{
return null;
}
X509Certificate2 cert = null;
SafeCertificateStore storeHandle = CertificateManager.GetCertificateStorePointer(machineName);
SafeCertificateContext prev = new SafeCertificateContext();
SafeCertificateContext current = new SafeCertificateContext();
bool foundThumbprint = false;
do
{
// the CertFindCertificateInStore function frees the SafeHandleCertificateContext
// referenced by non-null values of "prev"
#pragma warning suppress 56523
current = SafeNativeMethods.CertFindCertificateInStore(
storeHandle,
SafeNativeMethods.X509_ASN_ENCODING,
0,
SafeNativeMethods.CERT_FIND_ANY,
IntPtr.Zero,
prev);
prev = current;
if (!current.IsInvalid)
{
cert = current.GetNewX509Certificate();
if (Utilities.SafeCompare(cert.Thumbprint, thumbprint))
{
foundThumbprint = true;
}
}
} while (!current.IsInvalid && !foundThumbprint);
storeHandle.Close();
prev.Close();
if (!current.IsInvalid)
{
current.Close();
return cert;
}
else
{
return null;
}
}
#if WSAT_CMDLINE
internal static X509Certificate2 GetMachineIdentityCertificate()
{
X509Store store = null;
try
{
store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
string hostName = System.Net.Dns.GetHostEntry(string.Empty).HostName;
X509Certificate2 result = null;
int count = 0;
// The best way to find the Issued-to-machine certificate is to walk through each one and compare the DnsName
foreach (X509Certificate2 cert in store.Certificates)
{
if (Utilities.SafeCompare(cert.GetNameInfo(X509NameType.DnsName, false), hostName))
{
try
{
WsatConfiguration.ValidateIdentityCertificateThrow(cert, false);
if (++count > 1)
{
break;
}
result = cert;
}
catch(WsatAdminException)
{
// Explicitly ignore
}
}
}
// We only use the cert if we found one and only one
return (count == 1) ? result : null;
}
catch (ArgumentException)
{
return null;
}
catch (SecurityException)
{
return null;
}
catch (CryptographicException)
{
return null;
}
finally
{
if (store != null)
{
store.Close();
}
}
}
#endif
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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