private static IdentityReferenceCollection TranslateToSids(IdentityReferenceCollection sourceAccounts, out bool someFailed)
{
if (sourceAccounts == null)
{
throw new ArgumentNullException(nameof(sourceAccounts));
}
if (sourceAccounts.Count == 0)
{
throw new ArgumentException(SR.Arg_EmptyCollection, nameof(sourceAccounts));
}
SafeLsaPolicyHandle LsaHandle = SafeLsaPolicyHandle.InvalidHandle;
SafeLsaMemoryHandle ReferencedDomainsPtr = SafeLsaMemoryHandle.InvalidHandle;
SafeLsaMemoryHandle SidsPtr = SafeLsaMemoryHandle.InvalidHandle;
try
{
//
// Construct an array of unicode strings
//
Interop.UNICODE_STRING[] Names = new Interop.UNICODE_STRING[sourceAccounts.Count];
int currentName = 0;
foreach (IdentityReference id in sourceAccounts)
{
NTAccount nta = id as NTAccount;
if (nta == null)
{
throw new ArgumentException(SR.Argument_ImproperType, nameof(sourceAccounts));
}
Names[currentName].Buffer = nta.ToString();
if (Names[currentName].Buffer.Length * 2 + 2 > ushort.MaxValue)
{
// this should never happen since we are already validating account name length in constructor and
// it is less than this limit
Debug.Assert(false, "NTAccount::TranslateToSids - source account name is too long.");
throw new InvalidOperationException();
}
Names[currentName].Length = (ushort)(Names[currentName].Buffer.Length * 2);
Names[currentName].MaximumLength = (ushort)(Names[currentName].Length + 2);
currentName++;
}
//
// Open LSA policy (for lookup requires it)
//
LsaHandle = Win32.LsaOpenPolicy(null, PolicyRights.POLICY_LOOKUP_NAMES);
//
// Now perform the actual lookup
//
someFailed = false;
uint ReturnCode;
ReturnCode = Interop.Advapi32.LsaLookupNames2(LsaHandle, 0, sourceAccounts.Count, Names, ref ReferencedDomainsPtr, ref SidsPtr);
//
// Make a decision regarding whether it makes sense to proceed
// based on the return code and the value of the forceSuccess argument
//
if (ReturnCode == Interop.StatusOptions.STATUS_NO_MEMORY ||
ReturnCode == Interop.StatusOptions.STATUS_INSUFFICIENT_RESOURCES)
{
throw new OutOfMemoryException();
}
else if (ReturnCode == Interop.StatusOptions.STATUS_ACCESS_DENIED)
{
throw new UnauthorizedAccessException();
}
else if (ReturnCode == Interop.StatusOptions.STATUS_NONE_MAPPED ||
ReturnCode == Interop.StatusOptions.STATUS_SOME_NOT_MAPPED)
{
someFailed = true;
}
else if (ReturnCode != 0)
{
uint win32ErrorCode = Interop.Advapi32.LsaNtStatusToWinError(ReturnCode);
if (unchecked ((int)win32ErrorCode) != Interop.Errors.ERROR_TRUSTED_RELATIONSHIP_FAILURE)
{
Debug.Assert(false, string.Format(CultureInfo.InvariantCulture, "Interop.LsaLookupNames(2) returned unrecognized error {0}", win32ErrorCode));
}
throw new Win32Exception(unchecked ((int)win32ErrorCode));
}
//
// Interpret the results and generate SID objects
//
IdentityReferenceCollection Result = new IdentityReferenceCollection(sourceAccounts.Count);
if (ReturnCode == 0 || ReturnCode == Interop.StatusOptions.STATUS_SOME_NOT_MAPPED)
{
SidsPtr.Initialize((uint)sourceAccounts.Count, (uint)Marshal.SizeOf <Interop.LSA_TRANSLATED_SID2>());
Win32.InitializeReferencedDomainsPointer(ReferencedDomainsPtr);
Interop.LSA_TRANSLATED_SID2[] translatedSids = new Interop.LSA_TRANSLATED_SID2[sourceAccounts.Count];
SidsPtr.ReadArray(0, translatedSids, 0, translatedSids.Length);
for (int i = 0; i < sourceAccounts.Count; i++)
{
Interop.LSA_TRANSLATED_SID2 Lts = translatedSids[i];
//
// Only some names are recognized as NTAccount objects
//
switch ((SidNameUse)Lts.Use)
{
case SidNameUse.User:
case SidNameUse.Group:
case SidNameUse.Alias:
case SidNameUse.Computer:
case SidNameUse.WellKnownGroup:
Result.Add(new SecurityIdentifier(Lts.Sid, true));
break;
default:
someFailed = true;
Result.Add(sourceAccounts[i]);
break;
}
}
}
else
{
for (int i = 0; i < sourceAccounts.Count; i++)
{
Result.Add(sourceAccounts[i]);
}
}
return(Result);
}
finally
{
LsaHandle.Dispose();
ReferencedDomainsPtr.Dispose();
SidsPtr.Dispose();
}
}
private static IdentityReferenceCollection TranslateToNTAccounts(IdentityReferenceCollection sourceSids, out bool someFailed)
{
if (sourceSids == null)
{
throw new ArgumentNullException(nameof(sourceSids));
}
if (sourceSids.Count == 0)
{
throw new ArgumentException(SR.Arg_EmptyCollection, nameof(sourceSids));
}
Contract.EndContractBlock();
IntPtr[] SidArrayPtr = new IntPtr[sourceSids.Count];
GCHandle[] HandleArray = new GCHandle[sourceSids.Count];
SafeLsaPolicyHandle LsaHandle = SafeLsaPolicyHandle.InvalidHandle;
SafeLsaMemoryHandle ReferencedDomainsPtr = SafeLsaMemoryHandle.InvalidHandle;
SafeLsaMemoryHandle NamesPtr = SafeLsaMemoryHandle.InvalidHandle;
try
{
//
// Pin all elements in the array of SIDs
//
int currentSid = 0;
foreach (IdentityReference id in sourceSids)
{
SecurityIdentifier sid = id as SecurityIdentifier;
if (sid == null)
{
throw new ArgumentException(SR.Argument_ImproperType, nameof(sourceSids));
}
HandleArray[currentSid] = GCHandle.Alloc(sid.BinaryForm, GCHandleType.Pinned);
SidArrayPtr[currentSid] = HandleArray[currentSid].AddrOfPinnedObject();
currentSid++;
}
//
// Open LSA policy (for lookup requires it)
//
LsaHandle = Win32.LsaOpenPolicy(null, PolicyRights.POLICY_LOOKUP_NAMES);
//
// Perform the actual lookup
//
someFailed = false;
uint ReturnCode;
ReturnCode = Interop.Advapi32.LsaLookupSids(LsaHandle, sourceSids.Count, SidArrayPtr, ref ReferencedDomainsPtr, ref NamesPtr);
//
// Make a decision regarding whether it makes sense to proceed
// based on the return code and the value of the forceSuccess argument
//
if (ReturnCode == Interop.StatusOptions.STATUS_NO_MEMORY ||
ReturnCode == Interop.StatusOptions.STATUS_INSUFFICIENT_RESOURCES)
{
throw new OutOfMemoryException();
}
else if (ReturnCode == Interop.StatusOptions.STATUS_ACCESS_DENIED)
{
throw new UnauthorizedAccessException();
}
else if (ReturnCode == Interop.StatusOptions.STATUS_NONE_MAPPED ||
ReturnCode == Interop.StatusOptions.STATUS_SOME_NOT_MAPPED)
{
someFailed = true;
}
else if (ReturnCode != 0)
{
uint win32ErrorCode = Interop.Advapi32.LsaNtStatusToWinError(ReturnCode);
Debug.Assert(false, string.Format(CultureInfo.InvariantCulture, "Interop.LsaLookupSids returned {0}", win32ErrorCode));
throw new Win32Exception(unchecked ((int)win32ErrorCode));
}
NamesPtr.Initialize((uint)sourceSids.Count, (uint)Marshal.SizeOf <Interop.LSA_TRANSLATED_NAME>());
Win32.InitializeReferencedDomainsPointer(ReferencedDomainsPtr);
//
// Interpret the results and generate NTAccount objects
//
IdentityReferenceCollection Result = new IdentityReferenceCollection(sourceSids.Count);
if (ReturnCode == 0 || ReturnCode == Interop.StatusOptions.STATUS_SOME_NOT_MAPPED)
{
//
// Interpret the results and generate NT Account objects
//
Interop.LSA_REFERENCED_DOMAIN_LIST rdl = ReferencedDomainsPtr.Read <Interop.LSA_REFERENCED_DOMAIN_LIST>(0);
string[] ReferencedDomains = new string[rdl.Entries];
for (int i = 0; i < rdl.Entries; i++)
{
Interop.LSA_TRUST_INFORMATION ti = (Interop.LSA_TRUST_INFORMATION)Marshal.PtrToStructure <Interop.LSA_TRUST_INFORMATION>(new IntPtr((long)rdl.Domains + i * Marshal.SizeOf <Interop.LSA_TRUST_INFORMATION>()));
ReferencedDomains[i] = Marshal.PtrToStringUni(ti.Name.Buffer, ti.Name.Length / sizeof(char));
}
Interop.LSA_TRANSLATED_NAME[] translatedNames = new Interop.LSA_TRANSLATED_NAME[sourceSids.Count];
NamesPtr.ReadArray(0, translatedNames, 0, translatedNames.Length);
for (int i = 0; i < sourceSids.Count; i++)
{
Interop.LSA_TRANSLATED_NAME Ltn = translatedNames[i];
switch ((SidNameUse)Ltn.Use)
{
case SidNameUse.User:
case SidNameUse.Group:
case SidNameUse.Alias:
case SidNameUse.Computer:
case SidNameUse.WellKnownGroup:
string account = Marshal.PtrToStringUni(Ltn.Name.Buffer, Ltn.Name.Length / sizeof(char));;
string domain = ReferencedDomains[Ltn.DomainIndex];
Result.Add(new NTAccount(domain, account));
break;
default:
someFailed = true;
Result.Add(sourceSids[i]);
break;
}
}
}
else
{
for (int i = 0; i < sourceSids.Count; i++)
{
Result.Add(sourceSids[i]);
}
}
return(Result);
}
finally
{
for (int i = 0; i < sourceSids.Count; i++)
{
if (HandleArray[i].IsAllocated)
{
HandleArray[i].Free();
}
}
LsaHandle.Dispose();
ReferencedDomainsPtr.Dispose();
NamesPtr.Dispose();
}
}
private void TranslateSids(string target, IntPtr[] pSids)
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "AuthZSet", "SidList: processing {0} SIDs", pSids.Length);
// if there are no SIDs to translate return
if (pSids.Length == 0)
{
return;
}
// Build the list of SIDs to resolve
int sidCount = pSids.Length;
// Translate the SIDs in bulk
SafeLsaPolicyHandle policyHandle = null;
SafeLsaMemoryHandle domainsHandle = null;
SafeLsaMemoryHandle namesHandle = null;
try
{
//
// Get the policy handle
//
Interop.OBJECT_ATTRIBUTES oa = default;
uint err = Interop.Advapi32.LsaOpenPolicy(
target,
ref oa,
(int)Interop.Advapi32.PolicyRights.POLICY_LOOKUP_NAMES,
out policyHandle);
if (err != 0)
{
policyHandle.Dispose();
GlobalDebug.WriteLineIf(GlobalDebug.Warn, "AuthZSet", "SidList: couldn't get policy handle, err={0}", err);
throw new PrincipalOperationException(SR.Format(
SR.AuthZErrorEnumeratingGroups,
Interop.Advapi32.LsaNtStatusToWinError(err)));
}
Debug.Assert(!policyHandle.IsInvalid);
//
// Translate the SIDs
//
err = Interop.Advapi32.LsaLookupSids(
policyHandle,
sidCount,
pSids,
out domainsHandle,
out namesHandle);
// Ignore error STATUS_SOME_NOT_MAPPED and STATUS_NONE_MAPPED
if (err != Interop.StatusOptions.STATUS_SUCCESS &&
err != Interop.StatusOptions.STATUS_SOME_NOT_MAPPED &&
err != Interop.StatusOptions.STATUS_NONE_MAPPED)
{
domainsHandle.Dispose();
namesHandle.Dispose();
GlobalDebug.WriteLineIf(GlobalDebug.Warn, "AuthZSet", "SidList: LsaLookupSids failed, err={0}", err);
throw new PrincipalOperationException(SR.Format(
SR.AuthZErrorEnumeratingGroups,
Interop.Advapi32.LsaNtStatusToWinError(err)));
}
//
// Get the group names in managed form
//
namesHandle.Initialize((uint)sidCount, (uint)Marshal.SizeOf <Interop.LSA_TRANSLATED_NAME>());
Interop.LSA_TRANSLATED_NAME[] names = new Interop.LSA_TRANSLATED_NAME[sidCount];
namesHandle.ReadArray(0, names, 0, names.Length);
//
// Get the domain names in managed form
//
domainsHandle.InitializeReferencedDomainsList();
Interop.LSA_REFERENCED_DOMAIN_LIST domainList = domainsHandle.Read <Interop.LSA_REFERENCED_DOMAIN_LIST>(0);
// Extract LSA_REFERENCED_DOMAIN_LIST.Entries
int domainCount = domainList.Entries;
// Extract LSA_REFERENCED_DOMAIN_LIST.Domains, by iterating over the array and marshalling
// each native LSA_TRUST_INFORMATION into a managed LSA_TRUST_INFORMATION.
Interop.LSA_TRUST_INFORMATION[] domains = new Interop.LSA_TRUST_INFORMATION[domainCount];
IntPtr pCurrentDomain = domainList.Domains;
for (int i = 0; i < domainCount; i++)
{
domains[i] = (Interop.LSA_TRUST_INFORMATION)Marshal.PtrToStructure(pCurrentDomain, typeof(Interop.LSA_TRUST_INFORMATION));
pCurrentDomain = new IntPtr(pCurrentDomain.ToInt64() + Marshal.SizeOf(typeof(Interop.LSA_TRUST_INFORMATION)));
}
GlobalDebug.WriteLineIf(GlobalDebug.Info, "AuthZSet", "SidList: got {0} groups in {1} domains", sidCount, domainCount);
//
// Build the list of entries
//
Debug.Assert(names.Length == sidCount);
for (int i = 0; i < names.Length; i++)
{
Interop.LSA_TRANSLATED_NAME name = names[i];
// Build an entry. Note that LSA_UNICODE_STRING.length is in bytes,
// while PtrToStringUni expects a length in characters.
SidListEntry entry = new SidListEntry();
Debug.Assert(name.Name.Length % 2 == 0);
entry.name = Marshal.PtrToStringUni(name.Name.Buffer, name.Name.Length / 2);
// Get the domain associated with this name
Debug.Assert(name.DomainIndex < domains.Length);
if (name.DomainIndex >= 0)
{
Interop.LSA_TRUST_INFORMATION domain = domains[name.DomainIndex];
Debug.Assert(domain.Name.Length % 2 == 0);
entry.sidIssuerName = Marshal.PtrToStringUni(domain.Name.Buffer, domain.Name.Length / 2);
}
entry.pSid = pSids[i];
_entries.Add(entry);
}
// Sort the list so they are oriented by the issuer name.
// this.entries.Sort( new SidListComparer());
}
finally
{
domainsHandle?.Dispose();
namesHandle?.Dispose();
policyHandle?.Dispose();
}
}
public static extern uint LsaGetAppliedCAPIDs(
[In, MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LsaUnicodeStringMarshaler))] string systemName,
out SafeLsaMemoryHandle CAPIDs, out uint CAPIDCount);
private static IdentityReferenceCollection TranslateToSids(IdentityReferenceCollection sourceAccounts, out bool someFailed)
{
if (sourceAccounts == null)
{
throw new ArgumentNullException("sourceAccounts");
}
if (sourceAccounts.Count == 0)
{
throw new ArgumentException(Environment.GetResourceString("Arg_EmptyCollection"), "sourceAccounts");
}
SafeLsaPolicyHandle safeLsaPolicyHandle = SafeLsaPolicyHandle.InvalidHandle;
SafeLsaMemoryHandle invalidHandle = SafeLsaMemoryHandle.InvalidHandle;
SafeLsaMemoryHandle invalidHandle2 = SafeLsaMemoryHandle.InvalidHandle;
IdentityReferenceCollection result;
try
{
Win32Native.UNICODE_STRING[] array = new Win32Native.UNICODE_STRING[sourceAccounts.Count];
int num = 0;
foreach (IdentityReference identityReference in sourceAccounts)
{
NTAccount ntaccount = identityReference as NTAccount;
if (ntaccount == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_ImproperType"), "sourceAccounts");
}
array[num].Buffer = ntaccount.ToString();
if (array[num].Buffer.Length * 2 + 2 > 65535)
{
throw new SystemException();
}
array[num].Length = (ushort)(array[num].Buffer.Length * 2);
array[num].MaximumLength = array[num].Length + 2;
num++;
}
safeLsaPolicyHandle = Win32.LsaOpenPolicy(null, PolicyRights.POLICY_LOOKUP_NAMES);
someFailed = false;
uint num2;
if (Win32.LsaLookupNames2Supported)
{
num2 = Win32Native.LsaLookupNames2(safeLsaPolicyHandle, 0, sourceAccounts.Count, array, ref invalidHandle, ref invalidHandle2);
}
else
{
num2 = Win32Native.LsaLookupNames(safeLsaPolicyHandle, sourceAccounts.Count, array, ref invalidHandle, ref invalidHandle2);
}
if (num2 == 3221225495U || num2 == 3221225626U)
{
throw new OutOfMemoryException();
}
if (num2 == 3221225506U)
{
throw new UnauthorizedAccessException();
}
if (num2 == 3221225587U || num2 == 263U)
{
someFailed = true;
}
else if (num2 != 0U)
{
int errorCode = Win32Native.LsaNtStatusToWinError((int)num2);
throw new SystemException(Win32Native.GetMessage(errorCode));
}
IdentityReferenceCollection identityReferenceCollection = new IdentityReferenceCollection(sourceAccounts.Count);
if (num2 == 0U || num2 == 263U)
{
if (Win32.LsaLookupNames2Supported)
{
invalidHandle2.Initialize((uint)sourceAccounts.Count, (uint)Marshal.SizeOf(typeof(Win32Native.LSA_TRANSLATED_SID2)));
Win32.InitializeReferencedDomainsPointer(invalidHandle);
Win32Native.LSA_TRANSLATED_SID2[] array2 = new Win32Native.LSA_TRANSLATED_SID2[sourceAccounts.Count];
invalidHandle2.ReadArray <Win32Native.LSA_TRANSLATED_SID2>(0UL, array2, 0, array2.Length);
int i = 0;
while (i < sourceAccounts.Count)
{
Win32Native.LSA_TRANSLATED_SID2 lsa_TRANSLATED_SID = array2[i];
switch (lsa_TRANSLATED_SID.Use)
{
case 1:
case 2:
case 4:
case 5:
case 9:
identityReferenceCollection.Add(new SecurityIdentifier(lsa_TRANSLATED_SID.Sid, true));
break;
case 3:
case 6:
case 7:
case 8:
goto IL_282;
default:
goto IL_282;
}
IL_294:
i++;
continue;
IL_282:
someFailed = true;
identityReferenceCollection.Add(sourceAccounts[i]);
goto IL_294;
}
}
else
{
invalidHandle2.Initialize((uint)sourceAccounts.Count, (uint)Marshal.SizeOf(typeof(Win32Native.LSA_TRANSLATED_SID)));
Win32.InitializeReferencedDomainsPointer(invalidHandle);
Win32Native.LSA_REFERENCED_DOMAIN_LIST lsa_REFERENCED_DOMAIN_LIST = invalidHandle.Read <Win32Native.LSA_REFERENCED_DOMAIN_LIST>(0UL);
SecurityIdentifier[] array3 = new SecurityIdentifier[lsa_REFERENCED_DOMAIN_LIST.Entries];
for (int j = 0; j < lsa_REFERENCED_DOMAIN_LIST.Entries; j++)
{
Win32Native.LSA_TRUST_INFORMATION lsa_TRUST_INFORMATION = (Win32Native.LSA_TRUST_INFORMATION)Marshal.PtrToStructure(new IntPtr((long)lsa_REFERENCED_DOMAIN_LIST.Domains + (long)(j * Marshal.SizeOf(typeof(Win32Native.LSA_TRUST_INFORMATION)))), typeof(Win32Native.LSA_TRUST_INFORMATION));
array3[j] = new SecurityIdentifier(lsa_TRUST_INFORMATION.Sid, true);
}
Win32Native.LSA_TRANSLATED_SID[] array4 = new Win32Native.LSA_TRANSLATED_SID[sourceAccounts.Count];
invalidHandle2.ReadArray <Win32Native.LSA_TRANSLATED_SID>(0UL, array4, 0, array4.Length);
int k = 0;
while (k < sourceAccounts.Count)
{
Win32Native.LSA_TRANSLATED_SID lsa_TRANSLATED_SID2 = array4[k];
switch (lsa_TRANSLATED_SID2.Use)
{
case 1:
case 2:
case 4:
case 5:
case 9:
identityReferenceCollection.Add(new SecurityIdentifier(array3[lsa_TRANSLATED_SID2.DomainIndex], lsa_TRANSLATED_SID2.Rid));
break;
case 3:
case 6:
case 7:
case 8:
goto IL_3C8;
default:
goto IL_3C8;
}
IL_3DA:
k++;
continue;
IL_3C8:
someFailed = true;
identityReferenceCollection.Add(sourceAccounts[k]);
goto IL_3DA;
}
}
}
else
{
for (int l = 0; l < sourceAccounts.Count; l++)
{
identityReferenceCollection.Add(sourceAccounts[l]);
}
}
result = identityReferenceCollection;
}
finally
{
safeLsaPolicyHandle.Dispose();
invalidHandle.Dispose();
invalidHandle2.Dispose();
}
return(result);
}
