internal System.Data.ProviderBase.DbConnectionPool GetConnectionPool(System.Data.ProviderBase.DbConnectionFactory connectionFactory)
{
object obj2 = null;
if (this._poolGroupOptions != null)
{
System.Data.ProviderBase.DbConnectionPoolIdentity noIdentity = System.Data.ProviderBase.DbConnectionPoolIdentity.NoIdentity;
if (this._poolGroupOptions.PoolByIdentity)
{
noIdentity = System.Data.ProviderBase.DbConnectionPoolIdentity.GetCurrent();
if (noIdentity.IsRestricted)
{
noIdentity = null;
}
}
if (noIdentity != null)
{
obj2 = this._poolCollection[noIdentity];
if (obj2 == null)
{
System.Data.ProviderBase.DbConnectionPoolProviderInfo connectionPoolProviderInfo = connectionFactory.CreateConnectionPoolProviderInfo(this.ConnectionOptions);
System.Data.ProviderBase.DbConnectionPool pool = new System.Data.ProviderBase.DbConnectionPool(connectionFactory, this, noIdentity, connectionPoolProviderInfo);
lock (this)
{
HybridDictionary dictionary = this._poolCollection;
obj2 = dictionary[noIdentity];
if ((obj2 == null) && this.MarkPoolGroupAsActive())
{
pool.Startup();
HybridDictionary dictionary2 = new HybridDictionary(1 + dictionary.Count, false);
foreach (DictionaryEntry entry in dictionary)
{
dictionary2.Add(entry.Key, entry.Value);
}
dictionary2.Add(noIdentity, pool);
connectionFactory.PerformanceCounters.NumberOfActiveConnectionPools.Increment();
this._poolCollection = dictionary2;
this._poolCount = dictionary2.Count;
obj2 = pool;
pool = null;
}
}
if (pool != null)
{
pool.Shutdown();
}
}
}
}
if (obj2 == null)
{
lock (this)
{
this.MarkPoolGroupAsActive();
}
}
return((System.Data.ProviderBase.DbConnectionPool)obj2);
}
public override bool Equals(object value)
{
bool flag = (this == NoIdentity) || (this == value);
if (!flag && (value != null))
{
System.Data.ProviderBase.DbConnectionPoolIdentity identity = (System.Data.ProviderBase.DbConnectionPoolIdentity)value;
flag = ((this._sidString == identity._sidString) && (this._isRestricted == identity._isRestricted)) && (this._isNetwork == identity._isNetwork);
}
return(flag);
}
internal static System.Data.ProviderBase.DbConnectionPoolIdentity GetCurrent()
{
if (!System.Data.Common.ADP.IsWindowsNT)
{
return(NoIdentity);
}
WindowsIdentity currentWindowsIdentity = GetCurrentWindowsIdentity();
IntPtr windowsIdentityToken = GetWindowsIdentityToken(currentWindowsIdentity);
uint tokenInformationLength = 0x800;
uint tokenString = 0;
IntPtr zero = IntPtr.Zero;
IntPtr stringSid = IntPtr.Zero;
System.Data.Common.UnsafeNativeMethods.SetLastError(0);
bool isRestricted = System.Data.Common.UnsafeNativeMethods.IsTokenRestricted(windowsIdentityToken);
if (Marshal.GetLastWin32Error() != 0)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
System.Data.ProviderBase.DbConnectionPoolIdentity identity = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
bool flag;
if (!System.Data.Common.UnsafeNativeMethods.CheckTokenMembership(windowsIdentityToken, NetworkSid, out flag))
{
IntegratedSecurityError(1);
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
zero = System.Data.Common.SafeNativeMethods.LocalAlloc(0, (IntPtr)tokenInformationLength);
}
if (IntPtr.Zero == zero)
{
throw new OutOfMemoryException();
}
if (!System.Data.Common.UnsafeNativeMethods.GetTokenInformation(windowsIdentityToken, 1, zero, tokenInformationLength, ref tokenString))
{
if (tokenString > tokenInformationLength)
{
tokenInformationLength = tokenString;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
System.Data.Common.SafeNativeMethods.LocalFree(zero);
zero = IntPtr.Zero;
zero = System.Data.Common.SafeNativeMethods.LocalAlloc(0, (IntPtr)tokenInformationLength);
}
if (IntPtr.Zero == zero)
{
throw new OutOfMemoryException();
}
if (!System.Data.Common.UnsafeNativeMethods.GetTokenInformation(windowsIdentityToken, 1, zero, tokenInformationLength, ref tokenString))
{
IntegratedSecurityError(2);
}
}
else
{
IntegratedSecurityError(3);
}
}
currentWindowsIdentity.Dispose();
if (!System.Data.Common.UnsafeNativeMethods.ConvertSidToStringSidW(Marshal.ReadIntPtr(zero, 0), out stringSid))
{
IntegratedSecurityError(4);
}
if (IntPtr.Zero == stringSid)
{
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.ConvertSidToStringSidWReturnedNull);
}
identity = new System.Data.ProviderBase.DbConnectionPoolIdentity(Marshal.PtrToStringUni(stringSid), isRestricted, flag);
}
finally
{
if (IntPtr.Zero != zero)
{
System.Data.Common.SafeNativeMethods.LocalFree(zero);
zero = IntPtr.Zero;
}
if (IntPtr.Zero != stringSid)
{
System.Data.Common.SafeNativeMethods.LocalFree(stringSid);
stringSid = IntPtr.Zero;
}
}
return(identity);
}
internal static System.Data.ProviderBase.DbConnectionPoolIdentity GetCurrent()
{
if (!System.Data.Common.ADP.IsWindowsNT)
{
return NoIdentity;
}
WindowsIdentity currentWindowsIdentity = GetCurrentWindowsIdentity();
IntPtr windowsIdentityToken = GetWindowsIdentityToken(currentWindowsIdentity);
uint tokenInformationLength = 0x800;
uint tokenString = 0;
IntPtr zero = IntPtr.Zero;
IntPtr stringSid = IntPtr.Zero;
System.Data.Common.UnsafeNativeMethods.SetLastError(0);
bool isRestricted = System.Data.Common.UnsafeNativeMethods.IsTokenRestricted(windowsIdentityToken);
if (Marshal.GetLastWin32Error() != 0)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
System.Data.ProviderBase.DbConnectionPoolIdentity identity = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
bool flag;
if (!System.Data.Common.UnsafeNativeMethods.CheckTokenMembership(windowsIdentityToken, NetworkSid, out flag))
{
IntegratedSecurityError(1);
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
zero = System.Data.Common.SafeNativeMethods.LocalAlloc(0, (IntPtr) tokenInformationLength);
}
if (IntPtr.Zero == zero)
{
throw new OutOfMemoryException();
}
if (!System.Data.Common.UnsafeNativeMethods.GetTokenInformation(windowsIdentityToken, 1, zero, tokenInformationLength, ref tokenString))
{
if (tokenString > tokenInformationLength)
{
tokenInformationLength = tokenString;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
System.Data.Common.SafeNativeMethods.LocalFree(zero);
zero = IntPtr.Zero;
zero = System.Data.Common.SafeNativeMethods.LocalAlloc(0, (IntPtr) tokenInformationLength);
}
if (IntPtr.Zero == zero)
{
throw new OutOfMemoryException();
}
if (!System.Data.Common.UnsafeNativeMethods.GetTokenInformation(windowsIdentityToken, 1, zero, tokenInformationLength, ref tokenString))
{
IntegratedSecurityError(2);
}
}
else
{
IntegratedSecurityError(3);
}
}
currentWindowsIdentity.Dispose();
if (!System.Data.Common.UnsafeNativeMethods.ConvertSidToStringSidW(Marshal.ReadIntPtr(zero, 0), out stringSid))
{
IntegratedSecurityError(4);
}
if (IntPtr.Zero == stringSid)
{
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.ConvertSidToStringSidWReturnedNull);
}
identity = new System.Data.ProviderBase.DbConnectionPoolIdentity(Marshal.PtrToStringUni(stringSid), isRestricted, flag);
}
finally
{
if (IntPtr.Zero != zero)
{
System.Data.Common.SafeNativeMethods.LocalFree(zero);
zero = IntPtr.Zero;
}
if (IntPtr.Zero != stringSid)
{
System.Data.Common.SafeNativeMethods.LocalFree(stringSid);
stringSid = IntPtr.Zero;
}
}
return identity;
}
