mirror of
https://github.com/reactos/reactos.git
synced 2024-08-30 23:28:58 +00:00
405 lines
12 KiB
C
405 lines
12 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/se/semgr.c
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* PURPOSE: Security manager
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*
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* PROGRAMMERS: No programmer listed.
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*/
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/* INCLUDES *******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS ********************************************************************/
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PSE_EXPORTS SeExports = NULL;
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SE_EXPORTS SepExports;
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ULONG SidInTokenCalls = 0;
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extern ULONG ExpInitializationPhase;
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extern ERESOURCE SepSubjectContextLock;
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/* PRIVATE FUNCTIONS **********************************************************/
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static BOOLEAN
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INIT_FUNCTION
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SepInitExports(VOID)
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{
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SepExports.SeCreateTokenPrivilege = SeCreateTokenPrivilege;
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SepExports.SeAssignPrimaryTokenPrivilege = SeAssignPrimaryTokenPrivilege;
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SepExports.SeLockMemoryPrivilege = SeLockMemoryPrivilege;
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SepExports.SeIncreaseQuotaPrivilege = SeIncreaseQuotaPrivilege;
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SepExports.SeUnsolicitedInputPrivilege = SeUnsolicitedInputPrivilege;
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SepExports.SeTcbPrivilege = SeTcbPrivilege;
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SepExports.SeSecurityPrivilege = SeSecurityPrivilege;
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SepExports.SeTakeOwnershipPrivilege = SeTakeOwnershipPrivilege;
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SepExports.SeLoadDriverPrivilege = SeLoadDriverPrivilege;
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SepExports.SeCreatePagefilePrivilege = SeCreatePagefilePrivilege;
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SepExports.SeIncreaseBasePriorityPrivilege = SeIncreaseBasePriorityPrivilege;
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SepExports.SeSystemProfilePrivilege = SeSystemProfilePrivilege;
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SepExports.SeSystemtimePrivilege = SeSystemtimePrivilege;
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SepExports.SeProfileSingleProcessPrivilege = SeProfileSingleProcessPrivilege;
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SepExports.SeCreatePermanentPrivilege = SeCreatePermanentPrivilege;
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SepExports.SeBackupPrivilege = SeBackupPrivilege;
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SepExports.SeRestorePrivilege = SeRestorePrivilege;
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SepExports.SeShutdownPrivilege = SeShutdownPrivilege;
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SepExports.SeDebugPrivilege = SeDebugPrivilege;
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SepExports.SeAuditPrivilege = SeAuditPrivilege;
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SepExports.SeSystemEnvironmentPrivilege = SeSystemEnvironmentPrivilege;
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SepExports.SeChangeNotifyPrivilege = SeChangeNotifyPrivilege;
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SepExports.SeRemoteShutdownPrivilege = SeRemoteShutdownPrivilege;
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SepExports.SeNullSid = SeNullSid;
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SepExports.SeWorldSid = SeWorldSid;
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SepExports.SeLocalSid = SeLocalSid;
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SepExports.SeCreatorOwnerSid = SeCreatorOwnerSid;
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SepExports.SeCreatorGroupSid = SeCreatorGroupSid;
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SepExports.SeNtAuthoritySid = SeNtAuthoritySid;
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SepExports.SeDialupSid = SeDialupSid;
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SepExports.SeNetworkSid = SeNetworkSid;
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SepExports.SeBatchSid = SeBatchSid;
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SepExports.SeInteractiveSid = SeInteractiveSid;
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SepExports.SeLocalSystemSid = SeLocalSystemSid;
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SepExports.SeAliasAdminsSid = SeAliasAdminsSid;
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SepExports.SeAliasUsersSid = SeAliasUsersSid;
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SepExports.SeAliasGuestsSid = SeAliasGuestsSid;
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SepExports.SeAliasPowerUsersSid = SeAliasPowerUsersSid;
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SepExports.SeAliasAccountOpsSid = SeAliasAccountOpsSid;
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SepExports.SeAliasSystemOpsSid = SeAliasSystemOpsSid;
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SepExports.SeAliasPrintOpsSid = SeAliasPrintOpsSid;
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SepExports.SeAliasBackupOpsSid = SeAliasBackupOpsSid;
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SepExports.SeAuthenticatedUsersSid = SeAuthenticatedUsersSid;
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SepExports.SeRestrictedSid = SeRestrictedSid;
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SepExports.SeAnonymousLogonSid = SeAnonymousLogonSid;
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SepExports.SeLocalServiceSid = SeLocalServiceSid;
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SepExports.SeNetworkServiceSid = SeNetworkServiceSid;
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SepExports.SeUndockPrivilege = SeUndockPrivilege;
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SepExports.SeSyncAgentPrivilege = SeSyncAgentPrivilege;
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SepExports.SeEnableDelegationPrivilege = SeEnableDelegationPrivilege;
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SepExports.SeManageVolumePrivilege = SeManageVolumePrivilege;
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SepExports.SeImpersonatePrivilege = SeImpersonatePrivilege;
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SepExports.SeCreateGlobalPrivilege = SeCreateGlobalPrivilege;
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SeExports = &SepExports;
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return TRUE;
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}
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BOOLEAN
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NTAPI
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INIT_FUNCTION
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SepInitializationPhase0(VOID)
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{
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PAGED_CODE();
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ExpInitLuid();
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if (!SepInitSecurityIDs()) return FALSE;
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if (!SepInitDACLs()) return FALSE;
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if (!SepInitSDs()) return FALSE;
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SepInitPrivileges();
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if (!SepInitExports()) return FALSE;
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/* Initialize the subject context lock */
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ExInitializeResource(&SepSubjectContextLock);
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/* Initialize token objects */
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SepInitializeTokenImplementation();
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/* Initialize logon sessions */
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if (!SeRmInitPhase0()) return FALSE;
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/* Clear impersonation info for the idle thread */
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PsGetCurrentThread()->ImpersonationInfo = NULL;
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PspClearCrossThreadFlag(PsGetCurrentThread(),
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CT_ACTIVE_IMPERSONATION_INFO_BIT);
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/* Initialize the boot token */
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ObInitializeFastReference(&PsGetCurrentProcess()->Token, NULL);
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ObInitializeFastReference(&PsGetCurrentProcess()->Token,
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SepCreateSystemProcessToken());
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return TRUE;
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}
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BOOLEAN
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NTAPI
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INIT_FUNCTION
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SepInitializationPhase1(VOID)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING Name;
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HANDLE SecurityHandle;
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HANDLE EventHandle;
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NTSTATUS Status;
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PAGED_CODE();
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/* Insert the system token into the tree */
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Status = ObInsertObject((PVOID)(PsGetCurrentProcess()->Token.Value &
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~MAX_FAST_REFS),
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NULL,
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0,
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0,
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NULL,
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NULL);
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ASSERT(NT_SUCCESS(Status));
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/* TODO: Create a security desscriptor for the directory */
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/* Create '\Security' directory */
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RtlInitUnicodeString(&Name, L"\\Security");
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InitializeObjectAttributes(&ObjectAttributes,
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&Name,
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OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
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0,
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NULL);
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Status = ZwCreateDirectoryObject(&SecurityHandle,
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DIRECTORY_ALL_ACCESS,
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&ObjectAttributes);
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ASSERT(NT_SUCCESS(Status));
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/* Create 'LSA_AUTHENTICATION_INITIALIZED' event */
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RtlInitUnicodeString(&Name, L"LSA_AUTHENTICATION_INITIALIZED");
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InitializeObjectAttributes(&ObjectAttributes,
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&Name,
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OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
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SecurityHandle,
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SePublicDefaultSd);
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Status = ZwCreateEvent(&EventHandle,
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GENERIC_WRITE,
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&ObjectAttributes,
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NotificationEvent,
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FALSE);
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ASSERT(NT_SUCCESS(Status));
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Status = ZwClose(EventHandle);
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ASSERT(NT_SUCCESS(Status));
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Status = ZwClose(SecurityHandle);
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ASSERT(NT_SUCCESS(Status));
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return TRUE;
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}
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BOOLEAN
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NTAPI
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INIT_FUNCTION
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SeInitSystem(VOID)
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{
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/* Check the initialization phase */
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switch (ExpInitializationPhase)
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{
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case 0:
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/* Do Phase 0 */
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return SepInitializationPhase0();
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case 1:
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/* Do Phase 1 */
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return SepInitializationPhase1();
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default:
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/* Don't know any other phase! Bugcheck! */
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KeBugCheckEx(UNEXPECTED_INITIALIZATION_CALL,
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0,
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ExpInitializationPhase,
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0,
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0);
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return FALSE;
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}
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}
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NTSTATUS
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NTAPI
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SeDefaultObjectMethod(IN PVOID Object,
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IN SECURITY_OPERATION_CODE OperationType,
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IN PSECURITY_INFORMATION SecurityInformation,
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IN OUT PSECURITY_DESCRIPTOR SecurityDescriptor,
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IN OUT PULONG ReturnLength OPTIONAL,
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IN OUT PSECURITY_DESCRIPTOR *OldSecurityDescriptor,
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IN POOL_TYPE PoolType,
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IN PGENERIC_MAPPING GenericMapping)
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{
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PAGED_CODE();
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/* Select the operation type */
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switch (OperationType)
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{
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/* Setting a new descriptor */
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case SetSecurityDescriptor:
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/* Sanity check */
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ASSERT((PoolType == PagedPool) || (PoolType == NonPagedPool));
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/* Set the information */
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return ObSetSecurityDescriptorInfo(Object,
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SecurityInformation,
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SecurityDescriptor,
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OldSecurityDescriptor,
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PoolType,
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GenericMapping);
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case QuerySecurityDescriptor:
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/* Query the information */
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return ObQuerySecurityDescriptorInfo(Object,
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SecurityInformation,
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SecurityDescriptor,
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ReturnLength,
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OldSecurityDescriptor);
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case DeleteSecurityDescriptor:
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/* De-assign it */
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return ObDeassignSecurity(OldSecurityDescriptor);
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case AssignSecurityDescriptor:
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/* Assign it */
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ObAssignObjectSecurityDescriptor(Object, SecurityDescriptor, PoolType);
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return STATUS_SUCCESS;
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default:
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/* Bug check */
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KeBugCheckEx(SECURITY_SYSTEM, 0, STATUS_INVALID_PARAMETER, 0, 0);
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}
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/* Should never reach here */
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ASSERT(FALSE);
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return STATUS_SUCCESS;
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}
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VOID
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NTAPI
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SeQuerySecurityAccessMask(IN SECURITY_INFORMATION SecurityInformation,
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OUT PACCESS_MASK DesiredAccess)
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{
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*DesiredAccess = 0;
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if (SecurityInformation & (OWNER_SECURITY_INFORMATION |
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GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION))
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{
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*DesiredAccess |= READ_CONTROL;
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}
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if (SecurityInformation & SACL_SECURITY_INFORMATION)
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{
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*DesiredAccess |= ACCESS_SYSTEM_SECURITY;
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}
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}
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VOID
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NTAPI
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SeSetSecurityAccessMask(IN SECURITY_INFORMATION SecurityInformation,
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OUT PACCESS_MASK DesiredAccess)
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{
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*DesiredAccess = 0;
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if (SecurityInformation & (OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION))
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{
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*DesiredAccess |= WRITE_OWNER;
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}
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if (SecurityInformation & DACL_SECURITY_INFORMATION)
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{
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*DesiredAccess |= WRITE_DAC;
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}
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if (SecurityInformation & SACL_SECURITY_INFORMATION)
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{
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*DesiredAccess |= ACCESS_SYSTEM_SECURITY;
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}
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}
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NTSTATUS
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NTAPI
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SeReportSecurityEvent(
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_In_ ULONG Flags,
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_In_ PUNICODE_STRING SourceName,
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_In_opt_ PSID UserSid,
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_In_ PSE_ADT_PARAMETER_ARRAY AuditParameters)
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{
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SECURITY_SUBJECT_CONTEXT SubjectContext;
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PTOKEN EffectiveToken;
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PISID Sid;
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NTSTATUS Status;
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/* Validate parameters */
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if ((Flags != 0) ||
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(SourceName == NULL) ||
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(SourceName->Buffer == NULL) ||
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(SourceName->Length == 0) ||
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(AuditParameters == NULL) ||
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(AuditParameters->ParameterCount > SE_MAX_AUDIT_PARAMETERS - 4))
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{
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return STATUS_INVALID_PARAMETER;
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}
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/* Validate the source name */
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Status = RtlValidateUnicodeString(0, SourceName);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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/* Check if we have a user SID */
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if (UserSid != NULL)
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{
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/* Validate it */
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if (!RtlValidSid(UserSid))
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{
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return STATUS_INVALID_PARAMETER;
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}
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/* Use the user SID */
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Sid = UserSid;
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}
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else
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{
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/* No user SID, capture the security subject context */
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SeCaptureSubjectContext(&SubjectContext);
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/* Extract the effective token */
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EffectiveToken = SubjectContext.ClientToken ?
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SubjectContext.ClientToken : SubjectContext.PrimaryToken;
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/* Use the user-and-groups SID */
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Sid = EffectiveToken->UserAndGroups->Sid;
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}
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UNIMPLEMENTED;
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/* Check if we captured the subject context */
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if (Sid != UserSid)
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{
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/* Release it */
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SeReleaseSubjectContext(&SubjectContext);
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}
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/* Return success */
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return STATUS_SUCCESS;
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}
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_Const_
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NTSTATUS
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NTAPI
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SeSetAuditParameter(
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_Inout_ PSE_ADT_PARAMETER_ARRAY AuditParameters,
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_In_ SE_ADT_PARAMETER_TYPE Type,
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_In_range_(<, SE_MAX_AUDIT_PARAMETERS) ULONG Index,
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_In_reads_(_Inexpressible_("depends on SE_ADT_PARAMETER_TYPE")) PVOID Data)
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{
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UNIMPLEMENTED;
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return STATUS_SUCCESS;
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}
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/* EOF */
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