/* $Id$
*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * PURPOSE: Security manager
- * FILE: kernel/se/token.c
- * PROGRAMER: David Welch <welch@cwcom.net>
- * REVISION HISTORY:
- * 26/07/98: Added stubs for security functions
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * FILE: ntoskrnl/se/token.c
+ * PURPOSE: Security manager
+ *
+ * PROGRAMMERS: David Welch <welch@cwcom.net>
*/
/* INCLUDES *****************************************************************/
/* GLOBALS *******************************************************************/
POBJECT_TYPE SepTokenObjectType = NULL;
+ERESOURCE SepTokenLock;
static GENERIC_MAPPING SepTokenMapping = {TOKEN_READ,
TOKEN_WRITE,
TOKEN_EXECUTE,
TOKEN_ALL_ACCESS};
+static const INFORMATION_CLASS_INFO SeTokenInformationClass[] = {
+
+ /* Class 0 not used, blame M$! */
+ ICI_SQ_SAME( 0, 0, 0),
+
+ /* TokenUser */
+ ICI_SQ_SAME( sizeof(TOKEN_USER), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenGroups */
+ ICI_SQ_SAME( sizeof(TOKEN_GROUPS), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenPrivileges */
+ ICI_SQ_SAME( sizeof(TOKEN_PRIVILEGES), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenOwner */
+ ICI_SQ_SAME( sizeof(TOKEN_OWNER), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenPrimaryGroup */
+ ICI_SQ_SAME( sizeof(TOKEN_PRIMARY_GROUP), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenDefaultDacl */
+ ICI_SQ_SAME( sizeof(TOKEN_DEFAULT_DACL), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenSource */
+ ICI_SQ_SAME( sizeof(TOKEN_SOURCE), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenType */
+ ICI_SQ_SAME( sizeof(TOKEN_TYPE), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenImpersonationLevel */
+ ICI_SQ_SAME( sizeof(SECURITY_IMPERSONATION_LEVEL), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenStatistics */
+ ICI_SQ_SAME( sizeof(TOKEN_STATISTICS), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE | ICIF_SET | ICIF_SET_SIZE_VARIABLE ),
+ /* TokenRestrictedSids */
+ ICI_SQ_SAME( sizeof(TOKEN_GROUPS), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenSessionId */
+ ICI_SQ_SAME( sizeof(ULONG), sizeof(ULONG), ICIF_QUERY | ICIF_SET ),
+ /* TokenGroupsAndPrivileges */
+ ICI_SQ_SAME( sizeof(TOKEN_GROUPS_AND_PRIVILEGES), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenSessionReference */
+ ICI_SQ_SAME( /* FIXME */0, sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenSandBoxInert */
+ ICI_SQ_SAME( sizeof(ULONG), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenAuditPolicy */
+ ICI_SQ_SAME( /* FIXME */0, sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+ /* TokenOrigin */
+ ICI_SQ_SAME( sizeof(TOKEN_ORIGIN), sizeof(ULONG), ICIF_QUERY | ICIF_QUERY_SIZE_VARIABLE ),
+};
+
/* FUNCTIONS *****************************************************************/
-VOID SepFreeProxyData(PVOID ProxyData)
+VOID
+NTAPI
+SepFreeProxyData(PVOID ProxyData)
{
UNIMPLEMENTED;
}
-NTSTATUS SepCopyProxyData(PVOID* Dest, PVOID Src)
+NTSTATUS
+NTAPI
+SepCopyProxyData(PVOID* Dest, PVOID Src)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}
-NTSTATUS SeExchangePrimaryToken(PEPROCESS Process,
- PACCESS_TOKEN NewTokenP,
- PACCESS_TOKEN* OldTokenP)
+NTSTATUS
+NTAPI
+SeExchangePrimaryToken(PEPROCESS Process,
+ PACCESS_TOKEN NewTokenP,
+ PACCESS_TOKEN* OldTokenP)
{
- PTOKEN OldToken;
- PTOKEN NewToken = (PTOKEN)NewTokenP;
-
- if (NewToken->TokenType != TokenPrimary)
- {
- return(STATUS_UNSUCCESSFUL);
- }
- if (NewToken->TokenInUse != 0)
- {
- return(STATUS_UNSUCCESSFUL);
- }
- OldToken = Process->Token;
- Process->Token = NewToken;
- NewToken->TokenInUse = 1;
- ObReferenceObjectByPointer(NewToken,
- TOKEN_ALL_ACCESS,
- SepTokenObjectType,
- KernelMode);
- OldToken->TokenInUse = 0;
- *OldTokenP = (PACCESS_TOKEN)OldToken;
- return(STATUS_SUCCESS);
+ PTOKEN OldToken;
+ PTOKEN NewToken = (PTOKEN)NewTokenP;
+
+ PAGED_CODE();
+
+ if (NewToken->TokenType != TokenPrimary) return(STATUS_BAD_TOKEN_TYPE);
+ if (NewToken->TokenInUse) return(STATUS_TOKEN_ALREADY_IN_USE);
+
+ /* Mark new token in use */
+ NewToken->TokenInUse = 1;
+
+ /* Reference the New Token */
+ ObReferenceObject(NewToken);
+
+ /* Replace the old with the new */
+ OldToken = ObFastReplaceObject(&Process->Token, NewToken);
+
+ /* Mark the Old Token as free */
+ OldToken->TokenInUse = 0;
+
+ *OldTokenP = (PACCESS_TOKEN)OldToken;
+ return STATUS_SUCCESS;
+}
+
+VOID
+NTAPI
+SeDeassignPrimaryToken(PEPROCESS Process)
+{
+ PTOKEN OldToken;
+
+ /* Remove the Token */
+ OldToken = ObFastReplaceObject(&Process->Token, NULL);
+
+ /* Mark the Old Token as free */
+ OldToken->TokenInUse = 0;
}
static ULONG
ULONG i;
ULONG uLength;
+ PAGED_CODE();
+
uLength = Count * sizeof(SID_AND_ATTRIBUTES);
for (i = 0; i < Count; i++)
uLength += RtlLengthSid(Src[i].Sid);
NTSTATUS
+NTAPI
SepFindPrimaryGroupAndDefaultOwner(PTOKEN Token,
PSID PrimaryGroup,
PSID DefaultOwner)
NTSTATUS
+STDCALL
SepDuplicateToken(PTOKEN Token,
POBJECT_ATTRIBUTES ObjectAttributes,
BOOLEAN EffectiveOnly,
KPROCESSOR_MODE PreviousMode,
PTOKEN* NewAccessToken)
{
- NTSTATUS Status;
ULONG uLength;
ULONG i;
-
PVOID EndMem;
-
PTOKEN AccessToken;
+ NTSTATUS Status;
+
+ PAGED_CODE();
Status = ObCreateObject(PreviousMode,
SepTokenObjectType,
return(Status);
}
+ AccessToken->TokenLock = &SepTokenLock;
+
AccessToken->TokenInUse = 0;
AccessToken->TokenType = TokenType;
AccessToken->ImpersonationLevel = Level;
for (i = 0; i < Token->UserAndGroupCount; i++)
uLength += RtlLengthSid(Token->UserAndGroups[i].Sid);
- AccessToken->UserAndGroups =
- (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ AccessToken->UserAndGroups =
+ (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uLength,
TAG('T', 'O', 'K', 'u'));
uLength = AccessToken->PrivilegeCount * sizeof(LUID_AND_ATTRIBUTES);
AccessToken->Privileges =
- (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uLength,
TAG('T', 'O', 'K', 'p'));
{
RtlCopyLuid(&AccessToken->Privileges[i].Luid,
&Token->Privileges[i].Luid);
- AccessToken->Privileges[i].Attributes =
+ AccessToken->Privileges[i].Attributes =
Token->Privileges[i].Attributes;
}
if ( Token->DefaultDacl )
{
AccessToken->DefaultDacl =
- (PACL) ExAllocatePoolWithTag(NonPagedPool,
+ (PACL) ExAllocatePoolWithTag(PagedPool,
Token->DefaultDacl->AclSize,
TAG('T', 'O', 'K', 'd'));
memcpy(AccessToken->DefaultDacl,
return(Status);
}
-
-NTSTATUS
-SepInitializeNewProcess(struct _EPROCESS* NewProcess,
- struct _EPROCESS* ParentProcess)
-{
- NTSTATUS Status;
- PTOKEN pNewToken;
- PTOKEN pParentToken;
-
- OBJECT_ATTRIBUTES ObjectAttributes;
-
- pParentToken = (PACCESS_TOKEN) ParentProcess->Token;
-
- InitializeObjectAttributes(&ObjectAttributes,
- NULL,
- 0,
- NULL,
- NULL);
-
- Status = SepDuplicateToken(pParentToken,
- &ObjectAttributes,
- FALSE,
- TokenPrimary,
- pParentToken->ImpersonationLevel,
- KernelMode,
- &pNewToken);
- if ( ! NT_SUCCESS(Status) )
- return Status;
-
- NewProcess->Token = pNewToken;
- return(STATUS_SUCCESS);
-}
-
/*
* @unimplemented
*/
{
NTSTATUS Status;
OBJECT_ATTRIBUTES ObjectAttributes;
-
+
+ PAGED_CODE();
+
InitializeObjectAttributes(&ObjectAttributes,
NULL,
0,
TokenImpersonation,
Level,
PreviousMode,
- (PTOKEN*)&NewToken);
-
+ (PTOKEN*)NewToken);
+
return(Status);
}
PACCESS_TOKEN Token;
ULONG g;
PACCESS_TOKEN NewToken;
-
+
+ PAGED_CODE();
+
Token = PsReferenceEffectiveToken(Thread,
&TokenType,
&b,
ClientContext->DirectAccessEffectiveOnly = FALSE;
}
}
-
+
if (Qos->ContextTrackingMode == 0)
{
ClientContext->DirectlyAccessClientToken = FALSE;
IN PETHREAD ServerThread OPTIONAL)
{
UCHAR b;
-
+
+ PAGED_CODE();
+
if (ClientContext->DirectlyAccessClientToken == FALSE)
{
b = ClientContext->SecurityQos.EffectiveOnly;
}
-VOID INIT_FUNCTION
+VOID
+INIT_FUNCTION
+NTAPI
SepInitializeTokenImplementation(VOID)
{
- SepTokenObjectType = ExAllocatePool(NonPagedPool, sizeof(OBJECT_TYPE));
-
- SepTokenObjectType->Tag = TAG('T', 'O', 'K', 'T');
- SepTokenObjectType->PeakObjects = 0;
- SepTokenObjectType->PeakHandles = 0;
- SepTokenObjectType->TotalObjects = 0;
- SepTokenObjectType->TotalHandles = 0;
- SepTokenObjectType->PagedPoolCharge = 0;
- SepTokenObjectType->NonpagedPoolCharge = sizeof(TOKEN);
- SepTokenObjectType->Mapping = &SepTokenMapping;
- SepTokenObjectType->Dump = NULL;
- SepTokenObjectType->Open = NULL;
- SepTokenObjectType->Close = NULL;
- SepTokenObjectType->Delete = SepDeleteToken;
- SepTokenObjectType->Parse = NULL;
- SepTokenObjectType->Security = NULL;
- SepTokenObjectType->QueryName = NULL;
- SepTokenObjectType->OkayToClose = NULL;
- SepTokenObjectType->Create = NULL;
- SepTokenObjectType->DuplicationNotify = NULL;
-
- RtlCreateUnicodeString(&SepTokenObjectType->TypeName,
- L"Token");
- ObpCreateTypeObject (SepTokenObjectType);
+ UNICODE_STRING Name;
+ OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
+
+ ExInitializeResource(&SepTokenLock);
+
+ DPRINT("Creating Token Object Type\n");
+
+ /* Initialize the Token type */
+ RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
+ RtlInitUnicodeString(&Name, L"Token");
+ ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
+ ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(TOKEN);
+ ObjectTypeInitializer.GenericMapping = SepTokenMapping;
+ ObjectTypeInitializer.PoolType = PagedPool;
+ ObjectTypeInitializer.ValidAccessMask = TOKEN_ALL_ACCESS;
+ ObjectTypeInitializer.UseDefaultObject = TRUE;
+ ObjectTypeInitializer.DeleteProcedure = SepDeleteToken;
+ ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &SepTokenObjectType);
}
IN ULONG TokenInformationLength,
OUT PULONG ReturnLength)
{
- NTSTATUS Status, LengthStatus;
- PVOID UnusedInfo;
- PVOID EndMem;
+ union
+ {
+ PVOID Ptr;
+ ULONG Ulong;
+ } Unused;
PTOKEN Token;
- ULONG Length;
- PTOKEN_GROUPS PtrTokenGroups;
- PTOKEN_DEFAULT_DACL PtrDefaultDacl;
- PTOKEN_STATISTICS PtrTokenStatistics;
+ ULONG RequiredLength;
+ KPROCESSOR_MODE PreviousMode;
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ PAGED_CODE();
+
+ PreviousMode = ExGetPreviousMode();
+
+ /* Check buffers and class validity */
+ Status = DefaultQueryInfoBufferCheck(TokenInformationClass,
+ SeTokenInformationClass,
+ sizeof(SeTokenInformationClass) / sizeof(SeTokenInformationClass[0]),
+ TokenInformation,
+ TokenInformationLength,
+ ReturnLength,
+ PreviousMode);
+
+ if(!NT_SUCCESS(Status))
+ {
+ DPRINT("NtQueryInformationToken() failed, Status: 0x%x\n", Status);
+ return Status;
+ }
Status = ObReferenceObjectByHandle(TokenHandle,
(TokenInformationClass == TokenSource) ? TOKEN_QUERY_SOURCE : TOKEN_QUERY,
SepTokenObjectType,
- UserMode,
+ PreviousMode,
(PVOID*)&Token,
NULL);
- if (!NT_SUCCESS(Status))
- {
- return(Status);
- }
-
- switch (TokenInformationClass)
+ if (NT_SUCCESS(Status))
+ {
+ switch (TokenInformationClass)
{
case TokenUser:
- DPRINT("NtQueryInformationToken(TokenUser)\n");
- Length = RtlLengthSidAndAttributes(1, Token->UserAndGroups);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = RtlCopySidAndAttributesArray(1,
- Token->UserAndGroups,
- TokenInformationLength,
- TokenInformation,
- (char*)TokenInformation + 8,
- &UnusedInfo,
- &Length);
- if (NT_SUCCESS(Status))
- {
- Length = TokenInformationLength - Length;
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- }
- }
- break;
-
+ {
+ PTOKEN_USER tu = (PTOKEN_USER)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenUser)\n");
+ RequiredLength = sizeof(TOKEN_USER) +
+ RtlLengthSid(Token->UserAndGroups[0].Sid);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ Status = RtlCopySidAndAttributesArray(1,
+ &Token->UserAndGroups[0],
+ RequiredLength - sizeof(TOKEN_USER),
+ &tu->User,
+ (PSID)(tu + 1),
+ &Unused.Ptr,
+ &Unused.Ulong);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
+
case TokenGroups:
- DPRINT("NtQueryInformationToken(TokenGroups)\n");
- Length = RtlLengthSidAndAttributes(Token->UserAndGroupCount - 1, &Token->UserAndGroups[1]) + sizeof(ULONG);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- EndMem = (char*)TokenInformation + Token->UserAndGroupCount * sizeof(SID_AND_ATTRIBUTES);
- PtrTokenGroups = (PTOKEN_GROUPS)TokenInformation;
- PtrTokenGroups->GroupCount = Token->UserAndGroupCount - 1;
- Status = RtlCopySidAndAttributesArray(Token->UserAndGroupCount - 1,
- &Token->UserAndGroups[1],
- TokenInformationLength,
- PtrTokenGroups->Groups,
- EndMem,
- &UnusedInfo,
- &Length);
- if (NT_SUCCESS(Status))
- {
- Length = TokenInformationLength - Length;
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- }
- }
+ {
+ PTOKEN_GROUPS tg = (PTOKEN_GROUPS)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenGroups)\n");
+ RequiredLength = sizeof(tg->GroupCount) +
+ RtlLengthSidAndAttributes(Token->UserAndGroupCount - 1, &Token->UserAndGroups[1]);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ ULONG SidLen = RequiredLength - sizeof(tg->GroupCount) -
+ ((Token->UserAndGroupCount - 1) * sizeof(SID_AND_ATTRIBUTES));
+ PSID_AND_ATTRIBUTES Sid = (PSID_AND_ATTRIBUTES)((ULONG_PTR)TokenInformation + sizeof(tg->GroupCount) +
+ ((Token->UserAndGroupCount - 1) * sizeof(SID_AND_ATTRIBUTES)));
+
+ tg->GroupCount = Token->UserAndGroupCount - 1;
+ Status = RtlCopySidAndAttributesArray(Token->UserAndGroupCount - 1,
+ &Token->UserAndGroups[1],
+ SidLen,
+ &tg->Groups[0],
+ (PSID)Sid,
+ &Unused.Ptr,
+ &Unused.Ulong);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
break;
+ }
case TokenPrivileges:
- DPRINT("NtQueryInformationToken(TokenPrivileges)\n");
- Length = sizeof(ULONG) + Token->PrivilegeCount * sizeof(LUID_AND_ATTRIBUTES);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- ULONG i;
- TOKEN_PRIVILEGES* pPriv = (TOKEN_PRIVILEGES*)TokenInformation;
-
- pPriv->PrivilegeCount = Token->PrivilegeCount;
- for (i = 0; i < Token->PrivilegeCount; i++)
- {
- RtlCopyLuid(&pPriv->Privileges[i].Luid, &Token->Privileges[i].Luid);
- pPriv->Privileges[i].Attributes = Token->Privileges[i].Attributes;
- }
- Status = STATUS_SUCCESS;
- }
- break;
+ {
+ PTOKEN_PRIVILEGES tp = (PTOKEN_PRIVILEGES)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenPrivileges)\n");
+ RequiredLength = sizeof(tp->PrivilegeCount) +
+ (Token->PrivilegeCount * sizeof(LUID_AND_ATTRIBUTES));
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ tp->PrivilegeCount = Token->PrivilegeCount;
+ RtlCopyLuidAndAttributesArray(Token->PrivilegeCount,
+ Token->Privileges,
+ &tp->Privileges[0]);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenOwner:
- DPRINT("NtQueryInformationToken(TokenOwner)\n");
- Length = RtlLengthSid(Token->UserAndGroups[Token->DefaultOwnerIndex].Sid) + sizeof(TOKEN_OWNER);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- ((PTOKEN_OWNER)TokenInformation)->Owner =
- (PSID)(((PTOKEN_OWNER)TokenInformation) + 1);
- RtlCopySid(TokenInformationLength - sizeof(TOKEN_OWNER),
- ((PTOKEN_OWNER)TokenInformation)->Owner,
- Token->UserAndGroups[Token->DefaultOwnerIndex].Sid);
- Status = STATUS_SUCCESS;
- }
- break;
+ {
+ ULONG SidLen;
+ PTOKEN_OWNER to = (PTOKEN_OWNER)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenOwner)\n");
+ SidLen = RtlLengthSid(Token->UserAndGroups[Token->DefaultOwnerIndex].Sid);
+ RequiredLength = sizeof(TOKEN_OWNER) + SidLen;
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ to->Owner = (PSID)(to + 1);
+ Status = RtlCopySid(SidLen,
+ to->Owner,
+ Token->UserAndGroups[Token->DefaultOwnerIndex].Sid);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenPrimaryGroup:
- DPRINT("NtQueryInformationToken(TokenPrimaryGroup),"
- "Token->PrimaryGroup = 0x%08x\n", Token->PrimaryGroup);
- Length = RtlLengthSid(Token->PrimaryGroup) + sizeof(TOKEN_PRIMARY_GROUP);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- ((PTOKEN_PRIMARY_GROUP)TokenInformation)->PrimaryGroup =
- (PSID)(((PTOKEN_PRIMARY_GROUP)TokenInformation) + 1);
- RtlCopySid(TokenInformationLength - sizeof(TOKEN_PRIMARY_GROUP),
- ((PTOKEN_PRIMARY_GROUP)TokenInformation)->PrimaryGroup,
- Token->PrimaryGroup);
- Status = STATUS_SUCCESS;
- }
- break;
+ {
+ ULONG SidLen;
+ PTOKEN_PRIMARY_GROUP tpg = (PTOKEN_PRIMARY_GROUP)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenPrimaryGroup)\n");
+ SidLen = RtlLengthSid(Token->PrimaryGroup);
+ RequiredLength = sizeof(TOKEN_PRIMARY_GROUP) + SidLen;
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ tpg->PrimaryGroup = (PSID)(tpg + 1);
+ Status = RtlCopySid(SidLen,
+ tpg->PrimaryGroup,
+ Token->PrimaryGroup);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenDefaultDacl:
- DPRINT("NtQueryInformationToken(TokenDefaultDacl)\n");
- PtrDefaultDacl = (PTOKEN_DEFAULT_DACL) TokenInformation;
- Length = (Token->DefaultDacl ? Token->DefaultDacl->AclSize : 0) + sizeof(TOKEN_DEFAULT_DACL);
- if (TokenInformationLength < Length)
- {
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else if (!Token->DefaultDacl)
- {
- PtrDefaultDacl->DefaultDacl = 0;
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- }
- else
- {
- PtrDefaultDacl->DefaultDacl = (PACL) (PtrDefaultDacl + 1);
- memmove(PtrDefaultDacl->DefaultDacl,
- Token->DefaultDacl,
- Token->DefaultDacl->AclSize);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- }
- break;
+ {
+ PTOKEN_DEFAULT_DACL tdd = (PTOKEN_DEFAULT_DACL)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenDefaultDacl)\n");
+ RequiredLength = sizeof(TOKEN_DEFAULT_DACL);
+
+ if(Token->DefaultDacl != NULL)
+ {
+ RequiredLength += Token->DefaultDacl->AclSize;
+ }
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ if(Token->DefaultDacl != NULL)
+ {
+ tdd->DefaultDacl = (PACL)(tdd + 1);
+ RtlCopyMemory(tdd->DefaultDacl,
+ Token->DefaultDacl,
+ Token->DefaultDacl->AclSize);
+ }
+ else
+ {
+ tdd->DefaultDacl = NULL;
+ }
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenSource:
- DPRINT("NtQueryInformationToken(TokenSource)\n");
- if (TokenInformationLength < sizeof(TOKEN_SOURCE))
- {
- Length = sizeof(TOKEN_SOURCE);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = MmCopyToCaller(TokenInformation, &Token->TokenSource, sizeof(TOKEN_SOURCE));
- }
- break;
+ {
+ PTOKEN_SOURCE ts = (PTOKEN_SOURCE)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenSource)\n");
+ RequiredLength = sizeof(TOKEN_SOURCE);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ *ts = Token->TokenSource;
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenType:
- DPRINT("NtQueryInformationToken(TokenType)\n");
- if (TokenInformationLength < sizeof(TOKEN_TYPE))
- {
- Length = sizeof(TOKEN_TYPE);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = MmCopyToCaller(TokenInformation, &Token->TokenType, sizeof(TOKEN_TYPE));
- }
- break;
+ {
+ PTOKEN_TYPE tt = (PTOKEN_TYPE)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenType)\n");
+ RequiredLength = sizeof(TOKEN_TYPE);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ *tt = Token->TokenType;
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenImpersonationLevel:
- DPRINT("NtQueryInformationToken(TokenImpersonationLevel)\n");
- if (TokenInformationLength < sizeof(SECURITY_IMPERSONATION_LEVEL))
- {
- Length = sizeof(SECURITY_IMPERSONATION_LEVEL);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = MmCopyToCaller(TokenInformation, &Token->ImpersonationLevel, sizeof(SECURITY_IMPERSONATION_LEVEL));
- }
- break;
+ {
+ PSECURITY_IMPERSONATION_LEVEL sil = (PSECURITY_IMPERSONATION_LEVEL)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenImpersonationLevel)\n");
+ RequiredLength = sizeof(SECURITY_IMPERSONATION_LEVEL);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ *sil = Token->ImpersonationLevel;
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenStatistics:
- DPRINT("NtQueryInformationToken(TokenStatistics)\n");
- if (TokenInformationLength < sizeof(TOKEN_STATISTICS))
- {
- Length = sizeof(TOKEN_STATISTICS);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- PtrTokenStatistics = (PTOKEN_STATISTICS)TokenInformation;
- PtrTokenStatistics->TokenId = Token->TokenId;
- PtrTokenStatistics->AuthenticationId = Token->AuthenticationId;
- PtrTokenStatistics->ExpirationTime = Token->ExpirationTime;
- PtrTokenStatistics->TokenType = Token->TokenType;
- PtrTokenStatistics->ImpersonationLevel = Token->ImpersonationLevel;
- PtrTokenStatistics->DynamicCharged = Token->DynamicCharged;
- PtrTokenStatistics->DynamicAvailable = Token->DynamicAvailable;
- PtrTokenStatistics->GroupCount = Token->UserAndGroupCount - 1;
- PtrTokenStatistics->PrivilegeCount = Token->PrivilegeCount;
- PtrTokenStatistics->ModifiedId = Token->ModifiedId;
-
- Status = STATUS_SUCCESS;
- }
- break;
+ {
+ PTOKEN_STATISTICS ts = (PTOKEN_STATISTICS)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenStatistics)\n");
+ RequiredLength = sizeof(TOKEN_STATISTICS);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ ts->TokenId = Token->TokenId;
+ ts->AuthenticationId = Token->AuthenticationId;
+ ts->ExpirationTime = Token->ExpirationTime;
+ ts->TokenType = Token->TokenType;
+ ts->ImpersonationLevel = Token->ImpersonationLevel;
+ ts->DynamicCharged = Token->DynamicCharged;
+ ts->DynamicAvailable = Token->DynamicAvailable;
+ ts->GroupCount = Token->UserAndGroupCount - 1;
+ ts->PrivilegeCount = Token->PrivilegeCount;
+ ts->ModifiedId = Token->ModifiedId;
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenOrigin:
- DPRINT("NtQueryInformationToken(TokenOrigin)\n");
- if (TokenInformationLength < sizeof(TOKEN_ORIGIN))
- {
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = MmCopyToCaller(&((PTOKEN_ORIGIN)TokenInformation)->OriginatingLogonSession,
- &Token->AuthenticationId, sizeof(LUID));
- }
- Length = sizeof(TOKEN_ORIGIN);
- LengthStatus = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- {
- Status = LengthStatus;
- }
- break;
+ {
+ PTOKEN_ORIGIN to = (PTOKEN_ORIGIN)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenOrigin)\n");
+ RequiredLength = sizeof(TOKEN_ORIGIN);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ RtlCopyLuid(&to->OriginatingLogonSession,
+ &Token->AuthenticationId);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ break;
+ }
case TokenGroupsAndPrivileges:
DPRINT1("NtQueryInformationToken(TokenGroupsAndPrivileges) not implemented\n");
break;
case TokenRestrictedSids:
- DPRINT1("NtQueryInformationToken(TokenRestrictedSids) not implemented\n");
- Status = STATUS_NOT_IMPLEMENTED;
+ {
+ PTOKEN_GROUPS tg = (PTOKEN_GROUPS)TokenInformation;
+
+ DPRINT("NtQueryInformationToken(TokenRestrictedSids)\n");
+ RequiredLength = sizeof(tg->GroupCount) +
+ RtlLengthSidAndAttributes(Token->RestrictedSidCount, Token->RestrictedSids);
+
+ _SEH_TRY
+ {
+ if(TokenInformationLength >= RequiredLength)
+ {
+ ULONG SidLen = RequiredLength - sizeof(tg->GroupCount) -
+ (Token->RestrictedSidCount * sizeof(SID_AND_ATTRIBUTES));
+ PSID_AND_ATTRIBUTES Sid = (PSID_AND_ATTRIBUTES)((ULONG_PTR)TokenInformation + sizeof(tg->GroupCount) +
+ (Token->RestrictedSidCount * sizeof(SID_AND_ATTRIBUTES)));
+
+ tg->GroupCount = Token->RestrictedSidCount;
+ Status = RtlCopySidAndAttributesArray(Token->RestrictedSidCount,
+ Token->RestrictedSids,
+ SidLen,
+ &tg->Groups[0],
+ (PSID)Sid,
+ &Unused.Ptr,
+ &Unused.Ulong);
+ }
+ else
+ {
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = RequiredLength;
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
break;
+ }
case TokenSandBoxInert:
DPRINT1("NtQueryInformationToken(TokenSandboxInert) not implemented\n");
break;
case TokenSessionId:
- DPRINT("NtQueryInformationToken(TokenSessionId)\n");
- if (TokenInformationLength < sizeof(ULONG))
- {
- Length = sizeof(ULONG);
- Status = MmCopyToCaller(ReturnLength, &Length, sizeof(ULONG));
- if (NT_SUCCESS(Status))
- Status = STATUS_BUFFER_TOO_SMALL;
- }
- else
- {
- Status = MmCopyToCaller(TokenInformation, &Token->SessionId, sizeof(ULONG));
- }
- break;
+ {
+ ULONG SessionId = 0;
+
+ DPRINT("NtQueryInformationToken(TokenSessionId)\n");
+
+ Status = SeQuerySessionIdToken(Token,
+ &SessionId);
+
+ if(NT_SUCCESS(Status))
+ {
+ _SEH_TRY
+ {
+ /* buffer size was already verified, no need to check here again */
+ *(PULONG)TokenInformation = SessionId;
+
+ if(ReturnLength != NULL)
+ {
+ *ReturnLength = sizeof(ULONG);
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+
+ break;
+ }
default:
- DPRINT1("NtQueryInformationToken(%d) invalid parameter\n");
- Status = STATUS_INVALID_PARAMETER;
+ DPRINT1("NtQueryInformationToken(%d) invalid information class\n", TokenInformationClass);
+ Status = STATUS_INVALID_INFO_CLASS;
break;
}
- ObDereferenceObject(Token);
+ ObDereferenceObject(Token);
+ }
return(Status);
}
}
/*
- * @unimplemented
+ * @implemented
*/
NTSTATUS
STDCALL
IN PULONG pSessionId
)
{
- UNIMPLEMENTED;
- return STATUS_NOT_IMPLEMENTED;
+ *pSessionId = ((PTOKEN)Token)->SessionId;
+ return STATUS_SUCCESS;
}
/*
* NtSetTokenInformation: Partly implemented.
* Unimplemented:
- * TokenOrigin, TokenDefaultDacl, TokenSessionId
+ * TokenOrigin, TokenDefaultDacl
*/
NTSTATUS STDCALL
OUT PVOID TokenInformation,
IN ULONG TokenInformationLength)
{
- NTSTATUS Status;
PTOKEN Token;
- TOKEN_OWNER TokenOwnerSet = { 0 };
- TOKEN_PRIMARY_GROUP TokenPrimaryGroupSet = { 0 };
- DWORD NeededAccess = 0;
+ KPROCESSOR_MODE PreviousMode;
+ ULONG NeededAccess = TOKEN_ADJUST_DEFAULT;
+ NTSTATUS Status = STATUS_SUCCESS;
- switch (TokenInformationClass)
- {
- case TokenOwner:
- case TokenPrimaryGroup:
- NeededAccess = TOKEN_ADJUST_DEFAULT;
- break;
+ PAGED_CODE();
- case TokenDefaultDacl:
- if (TokenInformationLength < sizeof(TOKEN_DEFAULT_DACL))
- return STATUS_BUFFER_TOO_SMALL;
- NeededAccess = TOKEN_ADJUST_DEFAULT;
- break;
+ PreviousMode = ExGetPreviousMode();
- default:
- DPRINT1("NtSetInformationToken: lying about success (stub) - %x\n", TokenInformationClass);
- return STATUS_SUCCESS;
+ Status = DefaultSetInfoBufferCheck(TokenInformationClass,
+ SeTokenInformationClass,
+ sizeof(SeTokenInformationClass) / sizeof(SeTokenInformationClass[0]),
+ TokenInformation,
+ TokenInformationLength,
+ PreviousMode);
- }
+ if(!NT_SUCCESS(Status))
+ {
+ /* Invalid buffers */
+ DPRINT("NtSetInformationToken() failed, Status: 0x%x\n", Status);
+ return Status;
+ }
+
+ if(TokenInformationClass == TokenSessionId)
+ {
+ NeededAccess |= TOKEN_ADJUST_SESSIONID;
+ }
Status = ObReferenceObjectByHandle(TokenHandle,
NeededAccess,
SepTokenObjectType,
- UserMode,
+ PreviousMode,
(PVOID*)&Token,
NULL);
- if (!NT_SUCCESS(Status))
+ if (NT_SUCCESS(Status))
+ {
+ switch (TokenInformationClass)
{
- return(Status);
- }
+ case TokenOwner:
+ {
+ if(TokenInformationLength >= sizeof(TOKEN_OWNER))
+ {
+ PTOKEN_OWNER to = (PTOKEN_OWNER)TokenInformation;
+ PSID InputSid = NULL;
- switch (TokenInformationClass)
- {
- case TokenOwner:
- MmCopyFromCaller( &TokenOwnerSet, TokenInformation,
- min(sizeof(TokenOwnerSet),TokenInformationLength) );
- RtlCopySid(TokenInformationLength - sizeof(TOKEN_OWNER),
- Token->UserAndGroups[Token->DefaultOwnerIndex].Sid,
- TokenOwnerSet.Owner);
- Status = STATUS_SUCCESS;
- DPRINT("NtSetInformationToken(TokenOwner)\n");
- break;
-
- case TokenPrimaryGroup:
- MmCopyFromCaller( &TokenPrimaryGroupSet, TokenInformation,
- min(sizeof(TokenPrimaryGroupSet),
- TokenInformationLength) );
- RtlCopySid(TokenInformationLength - sizeof(TOKEN_PRIMARY_GROUP),
- Token->PrimaryGroup,
- TokenPrimaryGroupSet.PrimaryGroup);
- Status = STATUS_SUCCESS;
- DPRINT("NtSetInformationToken(TokenPrimaryGroup),"
- "Token->PrimaryGroup = 0x%08x\n", Token->PrimaryGroup);
- break;
+ _SEH_TRY
+ {
+ InputSid = to->Owner;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if(NT_SUCCESS(Status))
+ {
+ PSID CapturedSid;
+
+ Status = SepCaptureSid(InputSid,
+ PreviousMode,
+ PagedPool,
+ FALSE,
+ &CapturedSid);
+ if(NT_SUCCESS(Status))
+ {
+ RtlCopySid(RtlLengthSid(CapturedSid),
+ Token->UserAndGroups[Token->DefaultOwnerIndex].Sid,
+ CapturedSid);
+ SepReleaseSid(CapturedSid,
+ PreviousMode,
+ FALSE);
+ }
+ }
+ }
+ else
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ }
+ break;
+ }
- case TokenDefaultDacl:
+ case TokenPrimaryGroup:
{
- TOKEN_DEFAULT_DACL TokenDefaultDacl = { 0 };
- ACL OldAcl;
- PACL NewAcl;
+ if(TokenInformationLength >= sizeof(TOKEN_PRIMARY_GROUP))
+ {
+ PTOKEN_PRIMARY_GROUP tpg = (PTOKEN_PRIMARY_GROUP)TokenInformation;
+ PSID InputSid = NULL;
- Status = MmCopyFromCaller( &TokenDefaultDacl, TokenInformation,
- sizeof(TOKEN_DEFAULT_DACL) );
- if (!NT_SUCCESS(Status))
+ _SEH_TRY
{
- Status = STATUS_INVALID_PARAMETER;
- break;
+ InputSid = tpg->PrimaryGroup;
}
-
- Status = MmCopyFromCaller( &OldAcl, TokenDefaultDacl.DefaultDacl,
- sizeof(ACL) );
- if (!NT_SUCCESS(Status))
+ _SEH_HANDLE
{
- Status = STATUS_INVALID_PARAMETER;
- break;
+ Status = _SEH_GetExceptionCode();
}
+ _SEH_END;
- NewAcl = ExAllocatePool(NonPagedPool, sizeof(ACL));
- if (NewAcl == NULL)
+ if(NT_SUCCESS(Status))
{
- Status = STATUS_INSUFFICIENT_RESOURCES;
- break;
+ PSID CapturedSid;
+
+ Status = SepCaptureSid(InputSid,
+ PreviousMode,
+ PagedPool,
+ FALSE,
+ &CapturedSid);
+ if(NT_SUCCESS(Status))
+ {
+ RtlCopySid(RtlLengthSid(CapturedSid),
+ Token->PrimaryGroup,
+ CapturedSid);
+ SepReleaseSid(CapturedSid,
+ PreviousMode,
+ FALSE);
+ }
}
+ }
+ else
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ }
+ break;
+ }
+
+ case TokenDefaultDacl:
+ {
+ if(TokenInformationLength >= sizeof(TOKEN_DEFAULT_DACL))
+ {
+ PTOKEN_DEFAULT_DACL tdd = (PTOKEN_DEFAULT_DACL)TokenInformation;
+ PACL InputAcl = NULL;
- Status = MmCopyFromCaller( NewAcl, TokenDefaultDacl.DefaultDacl,
- OldAcl.AclSize );
- if (!NT_SUCCESS(Status))
+ _SEH_TRY
{
- Status = STATUS_INVALID_PARAMETER;
- ExFreePool(NewAcl);
- break;
+ InputAcl = tdd->DefaultDacl;
}
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
- if (Token->DefaultDacl)
+ if(NT_SUCCESS(Status))
{
- ExFreePool(Token->DefaultDacl);
+ if(InputAcl != NULL)
+ {
+ PACL CapturedAcl;
+
+ /* capture and copy the dacl */
+ Status = SepCaptureAcl(InputAcl,
+ PreviousMode,
+ PagedPool,
+ TRUE,
+ &CapturedAcl);
+ if(NT_SUCCESS(Status))
+ {
+ /* free the previous dacl if present */
+ if(Token->DefaultDacl != NULL)
+ {
+ ExFreePool(Token->DefaultDacl);
+ }
+
+ /* set the new dacl */
+ Token->DefaultDacl = CapturedAcl;
+ }
+ }
+ else
+ {
+ /* clear and free the default dacl if present */
+ if(Token->DefaultDacl != NULL)
+ {
+ ExFreePool(Token->DefaultDacl);
+ Token->DefaultDacl = NULL;
+ }
+ }
}
+ }
+ else
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ }
+ break;
+ }
+
+ case TokenSessionId:
+ {
+ ULONG SessionId = 0;
+
+ _SEH_TRY
+ {
+ /* buffer size was already verified, no need to check here again */
+ SessionId = *(PULONG)TokenInformation;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
- Token->DefaultDacl = NewAcl;
+ if(NT_SUCCESS(Status))
+ {
+ if(!SeSinglePrivilegeCheck(SeTcbPrivilege,
+ PreviousMode))
+ {
+ Status = STATUS_PRIVILEGE_NOT_HELD;
+ break;
+ }
- Status = STATUS_SUCCESS;
+ Token->SessionId = SessionId;
+ }
break;
}
- default:
- Status = STATUS_NOT_IMPLEMENTED;
- break;
+ default:
+ {
+ Status = STATUS_NOT_IMPLEMENTED;
+ break;
+ }
}
- ObDereferenceObject(Token);
+ ObDereferenceObject(Token);
+ }
return(Status);
}
*/
NTSTATUS STDCALL
NtDuplicateToken(IN HANDLE ExistingTokenHandle,
- IN ACCESS_MASK DesiredAccess,
- IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL /*is it really optional?*/,
- IN BOOLEAN EffectiveOnly,
- IN TOKEN_TYPE TokenType,
- OUT PHANDLE NewTokenHandle)
+ IN ACCESS_MASK DesiredAccess,
+ IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
+ IN BOOLEAN EffectiveOnly,
+ IN TOKEN_TYPE TokenType,
+ OUT PHANDLE NewTokenHandle)
{
KPROCESSOR_MODE PreviousMode;
+ HANDLE hToken;
PTOKEN Token;
PTOKEN NewToken;
- NTSTATUS Status;
+ PSECURITY_QUALITY_OF_SERVICE CapturedSecurityQualityOfService;
+ BOOLEAN QoSPresent;
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ PAGED_CODE();
PreviousMode = KeGetPreviousMode();
+
+ if(PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForWriteHandle(NewTokenHandle);
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if(!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+ }
+
+ Status = SepCaptureSecurityQualityOfService(ObjectAttributes,
+ PreviousMode,
+ PagedPool,
+ FALSE,
+ &CapturedSecurityQualityOfService,
+ &QoSPresent);
+ if(!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtDuplicateToken() failed to capture QoS! Status: 0x%x\n", Status);
+ return Status;
+ }
+
Status = ObReferenceObjectByHandle(ExistingTokenHandle,
TOKEN_DUPLICATE,
SepTokenObjectType,
PreviousMode,
(PVOID*)&Token,
NULL);
- if (!NT_SUCCESS(Status))
+ if (NT_SUCCESS(Status))
+ {
+ Status = SepDuplicateToken(Token,
+ ObjectAttributes,
+ EffectiveOnly,
+ TokenType,
+ (QoSPresent ? CapturedSecurityQualityOfService->ImpersonationLevel : SecurityAnonymous),
+ PreviousMode,
+ &NewToken);
+
+ ObDereferenceObject(Token);
+
+ if (NT_SUCCESS(Status))
{
- DPRINT1("Failed to reference token (Status %lx)\n", Status);
- return Status;
- }
-
- Status = SepDuplicateToken(Token,
- ObjectAttributes,
- EffectiveOnly,
- TokenType,
- ObjectAttributes->SecurityQualityOfService ?
- ((PSECURITY_QUALITY_OF_SERVICE)(ObjectAttributes->SecurityQualityOfService))->ImpersonationLevel :
- 0 /*SecurityAnonymous*/,
- PreviousMode,
- &NewToken);
+ Status = ObInsertObject((PVOID)NewToken,
+ NULL,
+ DesiredAccess,
+ 0,
+ NULL,
+ &hToken);
- ObDereferenceObject(Token);
+ ObDereferenceObject(NewToken);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Failed to duplicate token (Status %lx)\n", Status);
- return Status;
+ if (NT_SUCCESS(Status))
+ {
+ _SEH_TRY
+ {
+ *NewTokenHandle = hToken;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
}
+ }
- Status = ObInsertObject((PVOID)NewToken,
- NULL,
- DesiredAccess,
- 0,
- NULL,
- NewTokenHandle);
-
- ObDereferenceObject(NewToken);
-
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Failed to create token handle (Status %lx)\n");
- return Status;
- }
+ /* free the captured structure */
+ SepReleaseSecurityQualityOfService(CapturedSecurityQualityOfService,
+ PreviousMode,
+ FALSE);
- return STATUS_SUCCESS;
+ return Status;
}
ULONG a;
ULONG b;
ULONG c;
-
+
+ PAGED_CODE();
+
Status = ObReferenceObjectByHandle(TokenHandle,
?,
SepTokenObjectType,
UserMode,
(PVOID*)&Token,
NULL);
-
-
+
+
SepAdjustGroups(Token,
0,
ResetToDefault,
{
// PLUID_AND_ATTRIBUTES Privileges;
KPROCESSOR_MODE PreviousMode;
-// ULONG PrivilegeCount;
+ ULONG PrivilegeCount;
PTOKEN Token;
// ULONG Length;
ULONG i;
#endif
NTSTATUS Status;
+ PAGED_CODE();
+
DPRINT ("NtAdjustPrivilegesToken() called\n");
// PrivilegeCount = NewState->PrivilegeCount;
// &Length);
Status = ObReferenceObjectByHandle (TokenHandle,
- TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
+ TOKEN_ADJUST_PRIVILEGES | (PreviousState != NULL ? TOKEN_QUERY : 0),
SepTokenObjectType,
PreviousMode,
(PVOID*)&Token,
&c);
#endif
+ PrivilegeCount = (BufferLength - FIELD_OFFSET(TOKEN_PRIVILEGES, Privileges)) /
+ sizeof(LUID_AND_ATTRIBUTES);
+
+ if (PreviousState != NULL)
+ PreviousState->PrivilegeCount = 0;
+
k = 0;
if (DisableAllPrivileges == TRUE)
{
DPRINT ("Attributes differ\n");
/* Save current privilege */
- if (PreviousState != NULL && k < PreviousState->PrivilegeCount)
+ if (PreviousState != NULL)
{
- PreviousState->Privileges[k].Luid = Token->Privileges[i].Luid;
- PreviousState->Privileges[k].Attributes = Token->Privileges[i].Attributes;
- k++;
+ if (k < PrivilegeCount)
+ {
+ PreviousState->PrivilegeCount++;
+ PreviousState->Privileges[k].Luid = Token->Privileges[i].Luid;
+ PreviousState->Privileges[k].Attributes = Token->Privileges[i].Attributes;
+ }
+ else
+ {
+ /* FIXME: Should revert all the changes, calculate how
+ * much space would be needed, set ResultLength
+ * accordingly and fail.
+ */
+ }
+ k++;
}
/* Update current privlege */
NewState->Privileges[j].Attributes);
/* Save current privilege */
- if (PreviousState != NULL && k < PreviousState->PrivilegeCount)
+ if (PreviousState != NULL)
{
- PreviousState->Privileges[k].Luid = Token->Privileges[i].Luid;
- PreviousState->Privileges[k].Attributes = Token->Privileges[i].Attributes;
- k++;
+ if (k < PrivilegeCount)
+ {
+ PreviousState->PrivilegeCount++;
+ PreviousState->Privileges[k].Luid = Token->Privileges[i].Luid;
+ PreviousState->Privileges[k].Attributes = Token->Privileges[i].Attributes;
+ }
+ else
+ {
+ /* FIXME: Should revert all the changes, calculate how
+ * much space would be needed, set ResultLength
+ * accordingly and fail.
+ */
+ }
+ k++;
}
/* Update current privlege */
Token->Privileges[i].Attributes &= ~SE_PRIVILEGE_ENABLED;
- Token->Privileges[i].Attributes |=
+ Token->Privileges[i].Attributes |=
(NewState->Privileges[j].Attributes & SE_PRIVILEGE_ENABLED);
DPRINT ("New attributes %lx\n",
Token->Privileges[i].Attributes);
return Status;
}
-
-NTSTATUS
-SepCreateSystemProcessToken(struct _EPROCESS* Process)
+PTOKEN
+STDCALL
+SepCreateSystemProcessToken(VOID)
{
NTSTATUS Status;
ULONG uSize;
ULONG i;
-
- ULONG uLocalSystemLength = RtlLengthSid(SeLocalSystemSid);
- ULONG uWorldLength = RtlLengthSid(SeWorldSid);
- ULONG uAuthUserLength = RtlLengthSid(SeAuthenticatedUserSid);
- ULONG uAdminsLength = RtlLengthSid(SeAliasAdminsSid);
-
+ ULONG uLocalSystemLength;
+ ULONG uWorldLength;
+ ULONG uAuthUserLength;
+ ULONG uAdminsLength;
PTOKEN AccessToken;
-
PVOID SidArea;
+ PAGED_CODE();
+
+ uLocalSystemLength = RtlLengthSid(SeLocalSystemSid);
+ uWorldLength = RtlLengthSid(SeWorldSid);
+ uAuthUserLength = RtlLengthSid(SeAuthenticatedUserSid);
+ uAdminsLength = RtlLengthSid(SeAliasAdminsSid);
+
/*
* Initialize the token
*/
(PVOID*)&AccessToken);
if (!NT_SUCCESS(Status))
{
- return(Status);
+ return NULL;
}
-
- Status = NtAllocateLocallyUniqueId(&AccessToken->TokenId);
+ Status = ObInsertObject(AccessToken,
+ NULL,
+ TOKEN_ALL_ACCESS,
+ 0,
+ NULL,
+ NULL);
+
+ Status = ExpAllocateLocallyUniqueId(&AccessToken->TokenId);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(AccessToken);
- return(Status);
+ return NULL;
}
- Status = NtAllocateLocallyUniqueId(&AccessToken->ModifiedId);
+ Status = ExpAllocateLocallyUniqueId(&AccessToken->ModifiedId);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(AccessToken);
- return(Status);
+ return NULL;
}
- Status = NtAllocateLocallyUniqueId(&AccessToken->AuthenticationId);
+ Status = ExpAllocateLocallyUniqueId(&AccessToken->AuthenticationId);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(AccessToken);
- return Status;
+ return NULL;
}
+ AccessToken->TokenLock = &SepTokenLock;
+
AccessToken->TokenType = TokenPrimary;
AccessToken->ImpersonationLevel = SecurityDelegation;
AccessToken->TokenSource.SourceIdentifier.LowPart = 0;
uSize += uAuthUserLength;
uSize += uAdminsLength;
- AccessToken->UserAndGroups =
- (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ AccessToken->UserAndGroups =
+ (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uSize,
TAG('T', 'O', 'K', 'u'));
SidArea = &AccessToken->UserAndGroups[AccessToken->UserAndGroupCount];
uSize = AccessToken->PrivilegeCount * sizeof(LUID_AND_ATTRIBUTES);
AccessToken->Privileges =
- (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uSize,
TAG('T', 'O', 'K', 'p'));
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeTakeOwnershipPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeCreatePagefilePrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeLockMemoryPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeAssignPrimaryTokenPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeIncreaseQuotaPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeIncreaseBasePriorityPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeCreatePermanentPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeDebugPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeAuditPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeSecurityPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeSystemEnvironmentPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeChangeNotifyPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeBackupPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeRestorePrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeShutdownPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeLoadDriverPrivilege;
-
+
AccessToken->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED;
AccessToken->Privileges[i++].Luid = SeProfileSingleProcessPrivilege;
-
+
AccessToken->Privileges[i].Attributes = 0;
AccessToken->Privileges[i++].Luid = SeSystemtimePrivilege;
#if 0
uSize += sizeof(ACE) + uAdminsLength;
uSize = (uSize & (~3)) + 8;
AccessToken->DefaultDacl =
- (PACL) ExAllocatePoolWithTag(NonPagedPool,
+ (PACL) ExAllocatePoolWithTag(PagedPool,
uSize,
TAG('T', 'O', 'K', 'd'));
Status = RtlCreateAcl(AccessToken->DefaultDacl, uSize, ACL_REVISION);
if ( ! NT_SUCCESS(Status) )
{
ObDereferenceObject(AccessToken);
- return Status;
+ return NULL;
}
- Process->Token = AccessToken;
- return(STATUS_SUCCESS);
+ return AccessToken;
}
NTSTATUS STDCALL
-NtCreateToken(OUT PHANDLE UnsafeTokenHandle,
+NtCreateToken(OUT PHANDLE TokenHandle,
IN ACCESS_MASK DesiredAccess,
- IN POBJECT_ATTRIBUTES UnsafeObjectAttributes,
+ IN POBJECT_ATTRIBUTES ObjectAttributes,
IN TOKEN_TYPE TokenType,
IN PLUID AuthenticationId,
IN PLARGE_INTEGER ExpirationTime,
IN PTOKEN_DEFAULT_DACL TokenDefaultDacl,
IN PTOKEN_SOURCE TokenSource)
{
- HANDLE TokenHandle;
+ HANDLE hToken;
PTOKEN AccessToken;
- NTSTATUS Status;
- OBJECT_ATTRIBUTES SafeObjectAttributes;
- POBJECT_ATTRIBUTES ObjectAttributes;
LUID TokenId;
LUID ModifiedId;
PVOID EndMem;
ULONG uLength;
ULONG i;
+ ULONG nTokenPrivileges = 0;
+ LARGE_INTEGER LocalExpirationTime = {};
+ KPROCESSOR_MODE PreviousMode;
+ NTSTATUS Status = STATUS_SUCCESS;
- Status = MmCopyFromCaller(&SafeObjectAttributes,
- UnsafeObjectAttributes,
- sizeof(OBJECT_ATTRIBUTES));
- if (!NT_SUCCESS(Status))
- return(Status);
+ PAGED_CODE();
+
+ PreviousMode = ExGetPreviousMode();
+
+ if(PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForWriteHandle(TokenHandle);
+ ProbeForRead(AuthenticationId,
+ sizeof(LUID),
+ sizeof(ULONG));
+ LocalExpirationTime = ProbeForReadLargeInteger(ExpirationTime);
+ ProbeForRead(TokenUser,
+ sizeof(TOKEN_USER),
+ sizeof(ULONG));
+ ProbeForRead(TokenGroups,
+ sizeof(TOKEN_GROUPS),
+ sizeof(ULONG));
+ ProbeForRead(TokenPrivileges,
+ sizeof(TOKEN_PRIVILEGES),
+ sizeof(ULONG));
+ ProbeForRead(TokenOwner,
+ sizeof(TOKEN_OWNER),
+ sizeof(ULONG));
+ ProbeForRead(TokenPrimaryGroup,
+ sizeof(TOKEN_PRIMARY_GROUP),
+ sizeof(ULONG));
+ ProbeForRead(TokenDefaultDacl,
+ sizeof(TOKEN_DEFAULT_DACL),
+ sizeof(ULONG));
+ ProbeForRead(TokenSource,
+ sizeof(TOKEN_SOURCE),
+ sizeof(ULONG));
+ nTokenPrivileges = TokenPrivileges->PrivilegeCount;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
- ObjectAttributes = &SafeObjectAttributes;
+ if(!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+ }
+ else
+ {
+ nTokenPrivileges = TokenPrivileges->PrivilegeCount;
+ LocalExpirationTime = *ExpirationTime;
+ }
Status = ZwAllocateLocallyUniqueId(&TokenId);
if (!NT_SUCCESS(Status))
if (!NT_SUCCESS(Status))
return(Status);
- Status = ObCreateObject(ExGetPreviousMode(),
+ Status = ObCreateObject(PreviousMode,
SepTokenObjectType,
ObjectAttributes,
- ExGetPreviousMode(),
+ PreviousMode,
NULL,
sizeof(TOKEN),
0,
return(Status);
}
- Status = ObInsertObject ((PVOID)AccessToken,
- NULL,
- DesiredAccess,
- 0,
- NULL,
- &TokenHandle);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ObInsertObject() failed (Status %lx)\n");
- ObDereferenceObject (AccessToken);
- return Status;
- }
+ AccessToken->TokenLock = &SepTokenLock;
RtlCopyLuid(&AccessToken->TokenSource.SourceIdentifier,
&TokenSource->SourceIdentifier);
for (i = 0; i < TokenGroups->GroupCount; i++)
uLength += RtlLengthSid(TokenGroups->Groups[i].Sid);
- AccessToken->UserAndGroups =
- (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ AccessToken->UserAndGroups =
+ (PSID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uLength,
TAG('T', 'O', 'K', 'u'));
if (NT_SUCCESS(Status))
{
Status = SepFindPrimaryGroupAndDefaultOwner(
- AccessToken,
+ AccessToken,
TokenPrimaryGroup->PrimaryGroup,
TokenOwner->Owner);
}
{
uLength = TokenPrivileges->PrivilegeCount * sizeof(LUID_AND_ATTRIBUTES);
AccessToken->Privileges =
- (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(NonPagedPool,
+ (PLUID_AND_ATTRIBUTES)ExAllocatePoolWithTag(PagedPool,
uLength,
TAG('T', 'O', 'K', 'p'));
- for (i = 0; i < TokenPrivileges->PrivilegeCount; i++)
- {
- Status = MmCopyFromCaller(&AccessToken->Privileges[i],
- &TokenPrivileges->Privileges[i],
- sizeof(LUID_AND_ATTRIBUTES));
- if (!NT_SUCCESS(Status))
- break;
- }
+ if (PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ RtlCopyMemory(AccessToken->Privileges,
+ TokenPrivileges->Privileges,
+ nTokenPrivileges * sizeof(LUID_AND_ATTRIBUTES));
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+ else
+ {
+ RtlCopyMemory(AccessToken->Privileges,
+ TokenPrivileges->Privileges,
+ nTokenPrivileges * sizeof(LUID_AND_ATTRIBUTES));
+ }
}
if (NT_SUCCESS(Status))
{
AccessToken->DefaultDacl =
- (PACL) ExAllocatePoolWithTag(NonPagedPool,
+ (PACL) ExAllocatePoolWithTag(PagedPool,
TokenDefaultDacl->DefaultDacl->AclSize,
TAG('T', 'O', 'K', 'd'));
memcpy(AccessToken->DefaultDacl,
TokenDefaultDacl->DefaultDacl->AclSize);
}
- ObDereferenceObject(AccessToken);
-
- if (NT_SUCCESS(Status))
+ Status = ObInsertObject ((PVOID)AccessToken,
+ NULL,
+ DesiredAccess,
+ 0,
+ NULL,
+ &hToken);
+ if (!NT_SUCCESS(Status))
{
- Status = MmCopyToCaller(UnsafeTokenHandle,
- &TokenHandle,
- sizeof(HANDLE));
+ DPRINT1("ObInsertObject() failed (Status %lx)\n", Status);
}
- if (!NT_SUCCESS(Status))
+ ObDereferenceObject(AccessToken);
+
+ if (NT_SUCCESS(Status))
{
- ZwClose(TokenHandle);
- return(Status);
+ _SEH_TRY
+ {
+ *TokenHandle = hToken;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
}
- return(STATUS_SUCCESS);
+ return Status;
}
SeQueryAuthenticationIdToken(IN PACCESS_TOKEN Token,
OUT PLUID LogonId)
{
+ PAGED_CODE();
+
*LogonId = ((PTOKEN)Token)->AuthenticationId;
return STATUS_SUCCESS;
STDCALL
SeTokenImpersonationLevel(IN PACCESS_TOKEN Token)
{
+ PAGED_CODE();
+
return ((PTOKEN)Token)->ImpersonationLevel;
}
TOKEN_TYPE STDCALL
SeTokenType(IN PACCESS_TOKEN Token)
{
+ PAGED_CODE();
+
return ((PTOKEN)Token)->TokenType;
}
OUT PHANDLE TokenHandle)
{
PETHREAD Thread;
+ HANDLE hToken;
PTOKEN Token, NewToken, PrimaryToken;
BOOLEAN CopyOnOpen, EffectiveOnly;
SECURITY_IMPERSONATION_LEVEL ImpersonationLevel;
OBJECT_ATTRIBUTES ObjectAttributes;
SECURITY_DESCRIPTOR SecurityDescriptor;
PACL Dacl = NULL;
- NTSTATUS Status;
+ KPROCESSOR_MODE PreviousMode;
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ PAGED_CODE();
+
+ PreviousMode = ExGetPreviousMode();
+
+ if(PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForWriteHandle(TokenHandle);
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if(!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+ }
/*
* At first open the thread token for information access and verify
*/
Status = ObReferenceObjectByHandle(ThreadHandle, THREAD_QUERY_INFORMATION,
- PsThreadType, UserMode, (PVOID*)&Thread,
+ PsThreadType, PreviousMode, (PVOID*)&Thread,
NULL);
if (!NT_SUCCESS(Status))
{
if (CopyOnOpen)
{
Status = ObReferenceObjectByHandle(ThreadHandle, THREAD_ALL_ACCESS,
- PsThreadType, UserMode,
+ PsThreadType, PreviousMode,
(PVOID*)&Thread, NULL);
if (!NT_SUCCESS(Status))
{
}
return Status;
}
-
+
PrimaryToken = PsReferencePrimaryToken(Thread->ThreadsProcess);
Status = SepCreateImpersonationTokenDacl(Token, PrimaryToken, &Dacl);
ObfDereferenceObject(PrimaryToken);
}
return Status;
}
-
+
RtlCreateSecurityDescriptor(&SecurityDescriptor,
SECURITY_DESCRIPTOR_REVISION);
RtlSetDaclSecurityDescriptor(&SecurityDescriptor, TRUE, Dacl,
}
Status = ObInsertObject(NewToken, NULL, DesiredAccess, 0, NULL,
- TokenHandle);
+ &hToken);
ObfDereferenceObject(NewToken);
}
{
Status = ObOpenObjectByPointer(Token, HandleAttributes,
NULL, DesiredAccess, SepTokenObjectType,
- ExGetPreviousMode(), TokenHandle);
+ PreviousMode, &hToken);
}
ObfDereferenceObject(Token);
PsRestoreImpersonation(PsGetCurrentThread(), &ImpersonationState);
}
+ if(NT_SUCCESS(Status))
+ {
+ _SEH_TRY
+ {
+ *TokenHandle = hToken;
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+
return Status;
}
projects / reactos.git / blobdiff