public PrincipalContext GetContext(string name, NetCred credentials, ContextOptions contextOptions)
{
string nT4UserName;
PrincipalContext target;
PrincipalContext principalContext;
ContextType contextType;
string userName;
string password;
Hashtable hashtables;
Hashtable hashtables1;
string domainName = name;
bool flag = false;
if (credentials == null || credentials.UserName == null)
{
nT4UserName = Utils.GetNT4UserName();
}
else
{
if (credentials.Domain == null)
{
nT4UserName = credentials.UserName;
}
else
{
nT4UserName = string.Concat(credentials.Domain, "\\", credentials.UserName);
}
flag = true;
}
if (!this.isSAM)
{
int num = 0x40000110;
UnsafeNativeMethods.DomainControllerInfo dcName = Utils.GetDcName(null, domainName, null, num);
domainName = dcName.DomainName;
}
ManualResetEvent manualResetEvent = null;
while (true)
{
Hashtable hashtables2 = null;
if (manualResetEvent != null)
{
manualResetEvent.WaitOne();
}
manualResetEvent = null;
lock (this.tableLock)
{
SDSCache.CredHolder item = (SDSCache.CredHolder)this.table[domainName];
if (item != null)
{
if (flag)
{
hashtables1 = item.explicitCreds;
}
else
{
hashtables1 = item.defaultCreds;
}
hashtables2 = hashtables1;
object obj = hashtables2[nT4UserName];
if (obj as SDSCache.Placeholder == null)
{
WeakReference weakReference = obj as WeakReference;
if (weakReference != null)
{
target = (PrincipalContext)weakReference.Target;
if (target == null || target.Disposed)
{
hashtables2.Remove(nT4UserName);
}
else
{
principalContext = target;
break;
}
}
}
else
{
manualResetEvent = ((SDSCache.Placeholder)obj).contextReadyEvent;
continue;
}
}
if (item == null)
{
item = new SDSCache.CredHolder();
this.table[domainName] = item;
if (flag)
{
hashtables = item.explicitCreds;
}
else
{
hashtables = item.defaultCreds;
}
hashtables2 = hashtables;
}
hashtables2[nT4UserName] = new SDSCache.Placeholder();
if (this.isSAM)
{
contextType = ContextType.Machine;
}
else
{
contextType = ContextType.Domain;
}
string str = domainName;
object obj1 = null;
ContextOptions contextOption = contextOptions;
if (credentials != null)
{
userName = credentials.UserName;
}
else
{
userName = null;
}
if (credentials != null)
{
password = credentials.Password;
}
else
{
password = null;
}
target = new PrincipalContext(contextType, str, obj1, contextOption, userName, password);
lock (this.tableLock)
{
SDSCache.Placeholder placeholder = (SDSCache.Placeholder)hashtables2[nT4UserName];
hashtables2[nT4UserName] = new WeakReference(target);
placeholder.contextReadyEvent.Set();
}
return target;
}
}
return principalContext;
}
public PrincipalContext GetContext(string name, NetCred credentials, ContextOptions contextOptions)
{
string nT4UserName;
PrincipalContext target;
PrincipalContext principalContext;
ContextType contextType;
string userName;
string password;
Hashtable hashtables;
Hashtable hashtables1;
string domainName = name;
bool flag = false;
if (credentials == null || credentials.UserName == null)
{
nT4UserName = Utils.GetNT4UserName();
}
else
{
if (credentials.Domain == null)
{
nT4UserName = credentials.UserName;
}
else
{
nT4UserName = string.Concat(credentials.Domain, "\\", credentials.UserName);
}
flag = true;
}
if (!this.isSAM)
{
int num = 0x40000110;
UnsafeNativeMethods.DomainControllerInfo dcName = Utils.GetDcName(null, domainName, null, num);
domainName = dcName.DomainName;
}
ManualResetEvent manualResetEvent = null;
while (true)
{
Hashtable hashtables2 = null;
if (manualResetEvent != null)
{
manualResetEvent.WaitOne();
}
manualResetEvent = null;
lock (this.tableLock)
{
SDSCache.CredHolder item = (SDSCache.CredHolder) this.table[domainName];
if (item != null)
{
if (flag)
{
hashtables1 = item.explicitCreds;
}
else
{
hashtables1 = item.defaultCreds;
}
hashtables2 = hashtables1;
object obj = hashtables2[nT4UserName];
if (obj as SDSCache.Placeholder == null)
{
WeakReference weakReference = obj as WeakReference;
if (weakReference != null)
{
target = (PrincipalContext)weakReference.Target;
if (target == null || target.Disposed)
{
hashtables2.Remove(nT4UserName);
}
else
{
principalContext = target;
break;
}
}
}
else
{
manualResetEvent = ((SDSCache.Placeholder)obj).contextReadyEvent;
continue;
}
}
if (item == null)
{
item = new SDSCache.CredHolder();
this.table[domainName] = item;
if (flag)
{
hashtables = item.explicitCreds;
}
else
{
hashtables = item.defaultCreds;
}
hashtables2 = hashtables;
}
hashtables2[nT4UserName] = new SDSCache.Placeholder();
if (this.isSAM)
{
contextType = ContextType.Machine;
}
else
{
contextType = ContextType.Domain;
}
string str = domainName;
object obj1 = null;
ContextOptions contextOption = contextOptions;
if (credentials != null)
{
userName = credentials.UserName;
}
else
{
userName = null;
}
if (credentials != null)
{
password = credentials.Password;
}
else
{
password = null;
}
target = new PrincipalContext(contextType, str, obj1, contextOption, userName, password);
lock (this.tableLock)
{
SDSCache.Placeholder placeholder = (SDSCache.Placeholder)hashtables2[nT4UserName];
hashtables2[nT4UserName] = new WeakReference(target);
placeholder.contextReadyEvent.Set();
}
return(target);
}
}
return(principalContext);
}