private void GetDomainControllerInfo()
{
int errorCode = 0;
int dcCount = 0;
IntPtr zero = IntPtr.Zero;
int infoLevel = 0;
bool flag = false;
this.GetDSHandle();
IntPtr procAddress = System.DirectoryServices.ActiveDirectory.UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsGetDomainControllerInfoW");
if (procAddress == IntPtr.Zero)
{
throw System.DirectoryServices.ActiveDirectory.ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
System.DirectoryServices.ActiveDirectory.NativeMethods.DsGetDomainControllerInfo delegateForFunctionPointer = (System.DirectoryServices.ActiveDirectory.NativeMethods.DsGetDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(procAddress, typeof(System.DirectoryServices.ActiveDirectory.NativeMethods.DsGetDomainControllerInfo));
infoLevel = 3;
errorCode = delegateForFunctionPointer(this.dsHandle, this.Domain.Name, infoLevel, out dcCount, out zero);
if (errorCode != 0)
{
infoLevel = 2;
errorCode = delegateForFunctionPointer(this.dsHandle, this.Domain.Name, infoLevel, out dcCount, out zero);
}
if (errorCode != 0)
{
throw System.DirectoryServices.ActiveDirectory.ExceptionHelper.GetExceptionFromErrorCode(errorCode, base.Name);
}
try
{
IntPtr ptr = zero;
for (int i = 0; i < dcCount; i++)
{
if (infoLevel == 3)
{
DsDomainControllerInfo3 structure = new DsDomainControllerInfo3();
Marshal.PtrToStructure(ptr, structure);
if ((structure != null) && (Utils.Compare(structure.dnsHostName, base.replicaName) == 0))
{
flag = true;
base.cachedSiteName = structure.siteName;
base.cachedSiteObjectName = structure.siteObjectName;
this.cachedComputerObjectName = structure.computerObjectName;
base.cachedServerObjectName = structure.serverObjectName;
base.cachedNtdsaObjectName = structure.ntdsaObjectName;
base.cachedNtdsaObjectGuid = structure.ntdsDsaObjectGuid;
}
ptr = (IntPtr)(((long)ptr) + Marshal.SizeOf(structure));
}
else
{
DsDomainControllerInfo2 info3 = new DsDomainControllerInfo2();
Marshal.PtrToStructure(ptr, info3);
if ((info3 != null) && (Utils.Compare(info3.dnsHostName, base.replicaName) == 0))
{
flag = true;
base.cachedSiteName = info3.siteName;
base.cachedSiteObjectName = info3.siteObjectName;
this.cachedComputerObjectName = info3.computerObjectName;
base.cachedServerObjectName = info3.serverObjectName;
base.cachedNtdsaObjectName = info3.ntdsaObjectName;
base.cachedNtdsaObjectGuid = info3.ntdsDsaObjectGuid;
}
ptr = (IntPtr)(((long)ptr) + Marshal.SizeOf(info3));
}
}
}
finally
{
if (zero != IntPtr.Zero)
{
procAddress = System.DirectoryServices.ActiveDirectory.UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsFreeDomainControllerInfoW");
if (procAddress == IntPtr.Zero)
{
throw System.DirectoryServices.ActiveDirectory.ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
System.DirectoryServices.ActiveDirectory.NativeMethods.DsFreeDomainControllerInfo info4 = (System.DirectoryServices.ActiveDirectory.NativeMethods.DsFreeDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(procAddress, typeof(System.DirectoryServices.ActiveDirectory.NativeMethods.DsFreeDomainControllerInfo));
info4(infoLevel, dcCount, zero);
}
}
if (!flag)
{
throw new ActiveDirectoryOperationException(Res.GetString("DCInfoNotFound"));
}
this.dcInfoInitialized = true;
base.siteInfoModified = false;
}
private void GetDomainControllerInfo()
{
int result = 0;
int dcCount = 0;
IntPtr dcInfoPtr = IntPtr.Zero;
int dcInfoLevel = 0;
bool initialized = false;
// get the handle
GetDSHandle();
// call DsGetDomainControllerInfo
IntPtr functionPtr = UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsGetDomainControllerInfoW");
if (functionPtr == (IntPtr)0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
NativeMethods.DsGetDomainControllerInfo dsGetDomainControllerInfo = (NativeMethods.DsGetDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(NativeMethods.DsGetDomainControllerInfo));
// try DsDomainControllerInfoLevel3 first which supports Read only DC (RODC)
dcInfoLevel = NativeMethods.DsDomainControllerInfoLevel3;
result = dsGetDomainControllerInfo(_dsHandle, Domain.Name, dcInfoLevel, out dcCount, out dcInfoPtr);
if (result != 0)
{
// fallback to DsDomainControllerInfoLevel2
dcInfoLevel = NativeMethods.DsDomainControllerInfoLevel2;
result = dsGetDomainControllerInfo(_dsHandle, Domain.Name, dcInfoLevel, out dcCount, out dcInfoPtr);
}
if (result == 0)
{
try
{
IntPtr currentDc = dcInfoPtr;
for (int i = 0; i < dcCount; i++)
{
if (dcInfoLevel == NativeMethods.DsDomainControllerInfoLevel3)
{
DsDomainControllerInfo3 domainControllerInfo3 = new DsDomainControllerInfo3();
Marshal.PtrToStructure(currentDc, domainControllerInfo3);
// check if this is the same as "this" DC
if (domainControllerInfo3 != null)
{
if (Utils.Compare(domainControllerInfo3.dnsHostName, replicaName) == 0)
{
initialized = true;
// update all the fields
cachedSiteName = domainControllerInfo3.siteName;
cachedSiteObjectName = domainControllerInfo3.siteObjectName;
_cachedComputerObjectName = domainControllerInfo3.computerObjectName;
cachedServerObjectName = domainControllerInfo3.serverObjectName;
cachedNtdsaObjectName = domainControllerInfo3.ntdsaObjectName;
cachedNtdsaObjectGuid = domainControllerInfo3.ntdsDsaObjectGuid;
}
}
currentDc = IntPtr.Add(currentDc, Marshal.SizeOf(domainControllerInfo3));
}
else
{ //NativeMethods.DsDomainControllerInfoLevel2
DsDomainControllerInfo2 domainControllerInfo2 = new DsDomainControllerInfo2();
Marshal.PtrToStructure(currentDc, domainControllerInfo2);
// check if this is the same as "this" DC
if (domainControllerInfo2 != null)
{
if (Utils.Compare(domainControllerInfo2.dnsHostName, replicaName) == 0)
{
initialized = true;
// update all the fields
cachedSiteName = domainControllerInfo2.siteName;
cachedSiteObjectName = domainControllerInfo2.siteObjectName;
_cachedComputerObjectName = domainControllerInfo2.computerObjectName;
cachedServerObjectName = domainControllerInfo2.serverObjectName;
cachedNtdsaObjectName = domainControllerInfo2.ntdsaObjectName;
cachedNtdsaObjectGuid = domainControllerInfo2.ntdsDsaObjectGuid;
}
}
currentDc = IntPtr.Add(currentDc, Marshal.SizeOf(domainControllerInfo2));
}
}
}
finally
{
// free the domain controller info structure
if (dcInfoPtr != IntPtr.Zero)
{
// call DsFreeDomainControllerInfo
functionPtr = UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsFreeDomainControllerInfoW");
if (functionPtr == (IntPtr)0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
NativeMethods.DsFreeDomainControllerInfo dsFreeDomainControllerInfo = (NativeMethods.DsFreeDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(NativeMethods.DsFreeDomainControllerInfo));
dsFreeDomainControllerInfo(dcInfoLevel, dcCount, dcInfoPtr);
}
}
// if we couldn't get this DC's info, throw an exception
if (!initialized)
{
throw new ActiveDirectoryOperationException(Res.GetString(Res.DCInfoNotFound));
}
_dcInfoInitialized = true;
siteInfoModified = false;
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(result, Name);
}
}
private void GetDomainControllerInfo()
{
int num = 0;
IntPtr zero = IntPtr.Zero;
bool flag = false;
this.GetDSHandle();
IntPtr procAddress = UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsGetDomainControllerInfoW");
if (procAddress != (IntPtr)0)
{
NativeMethods.DsGetDomainControllerInfo delegateForFunctionPointer = (NativeMethods.DsGetDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(procAddress, typeof(NativeMethods.DsGetDomainControllerInfo));
int num1 = 3;
int name = delegateForFunctionPointer(this.dsHandle, this.Domain.Name, num1, out num, out zero);
if (name != 0)
{
num1 = 2;
name = delegateForFunctionPointer(this.dsHandle, this.Domain.Name, num1, out num, out zero);
}
if (name != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(name, base.Name);
}
else
{
try
{
IntPtr intPtr = zero;
for (int i = 0; i < num; i++)
{
if (num1 != 3)
{
DsDomainControllerInfo2 dsDomainControllerInfo2 = new DsDomainControllerInfo2();
Marshal.PtrToStructure(intPtr, dsDomainControllerInfo2);
if (dsDomainControllerInfo2 != null && Utils.Compare(dsDomainControllerInfo2.dnsHostName, this.replicaName) == 0)
{
flag = true;
this.cachedSiteName = dsDomainControllerInfo2.siteName;
this.cachedSiteObjectName = dsDomainControllerInfo2.siteObjectName;
this.cachedComputerObjectName = dsDomainControllerInfo2.computerObjectName;
this.cachedServerObjectName = dsDomainControllerInfo2.serverObjectName;
this.cachedNtdsaObjectName = dsDomainControllerInfo2.ntdsaObjectName;
this.cachedNtdsaObjectGuid = dsDomainControllerInfo2.ntdsDsaObjectGuid;
}
intPtr = (IntPtr)((long)intPtr + (long)Marshal.SizeOf(dsDomainControllerInfo2));
}
else
{
DsDomainControllerInfo3 dsDomainControllerInfo3 = new DsDomainControllerInfo3();
Marshal.PtrToStructure(intPtr, dsDomainControllerInfo3);
if (dsDomainControllerInfo3 != null && Utils.Compare(dsDomainControllerInfo3.dnsHostName, this.replicaName) == 0)
{
flag = true;
this.cachedSiteName = dsDomainControllerInfo3.siteName;
this.cachedSiteObjectName = dsDomainControllerInfo3.siteObjectName;
this.cachedComputerObjectName = dsDomainControllerInfo3.computerObjectName;
this.cachedServerObjectName = dsDomainControllerInfo3.serverObjectName;
this.cachedNtdsaObjectName = dsDomainControllerInfo3.ntdsaObjectName;
this.cachedNtdsaObjectGuid = dsDomainControllerInfo3.ntdsDsaObjectGuid;
}
intPtr = (IntPtr)((long)intPtr + (long)Marshal.SizeOf(dsDomainControllerInfo3));
}
}
}
finally
{
if (zero != IntPtr.Zero)
{
procAddress = UnsafeNativeMethods.GetProcAddress(DirectoryContext.ADHandle, "DsFreeDomainControllerInfoW");
if (procAddress != (IntPtr)0)
{
NativeMethods.DsFreeDomainControllerInfo dsFreeDomainControllerInfo = (NativeMethods.DsFreeDomainControllerInfo)Marshal.GetDelegateForFunctionPointer(procAddress, typeof(NativeMethods.DsFreeDomainControllerInfo));
dsFreeDomainControllerInfo(num1, num, zero);
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
}
}
if (flag)
{
this.dcInfoInitialized = true;
this.siteInfoModified = false;
return;
}
else
{
throw new ActiveDirectoryOperationException(Res.GetString("DCInfoNotFound"));
}
}
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
}
