;
LIBRARY advapi32.dll
EXPORTS
+A_SHAFinal@8
+A_SHAInit@4
+A_SHAUpdate@12
AbortSystemShutdownA@4
AbortSystemShutdownW@4
AccessCheck@32
+AccessCheckByType@44
+AccessCheckByTypeAndAuditAlarmA@64
+AccessCheckByTypeAndAuditAlarmW@64
+AccessCheckByTypeResultList@44
+AccessCheckByTypeResultListAndAuditAlarmA@64
+AccessCheckByTypeResultListAndAuditAlarmByHandleA@68
+AccessCheckByTypeResultListAndAuditAlarmByHandleW@68
+AccessCheckByTypeResultListAndAuditAlarmW@64
AccessCheckAndAuditAlarmA@44
AccessCheckAndAuditAlarmW@44
AddAccessAllowedAce@16
+AddAccessAllowedAceEx@20
+AddAccessAllowedObjectAce@28
AddAccessDeniedAce@16
+AddAccessDeniedAceEx@20
+AddAccessDeniedObjectAce@28
AddAce@20
AddAuditAccessAce@24
+AddAuditAccessAceEx@28
+AddAuditAccessObjectAce@36
+;@AddUsersToEncryptedFile
AdjustTokenGroups@24
AdjustTokenPrivileges@24
AllocateAndInitializeSid@44
AreAnyAccessesGranted@8
BackupEventLogA@8
BackupEventLogW@8
-BuildAccessRequestA@12
-BuildAccessRequestW@12
BuildExplicitAccessWithNameA@20
BuildExplicitAccessWithNameW@20
BuildImpersonateExplicitAccessWithNameA@24
BuildSecurityDescriptorW@36
BuildTrusteeWithNameA@8
BuildTrusteeWithNameW@8
+BuildTrusteeWithObjectsAndNameA@24
+BuildTrusteeWithObjectsAndNameW@24
+BuildTrusteeWithObjectsAndSidA@20
+BuildTrusteeWithObjectsAndSidW@20
BuildTrusteeWithSidA@8
BuildTrusteeWithSidW@8
+;CancelOverlappedAccess
ChangeServiceConfigA@44
ChangeServiceConfigW@44
+ChangeServiceConfig2A@12
+ChangeServiceConfig2W@12
+CheckTokenMembership@12
ClearEventLogA@8
ClearEventLogW@8
-ClearEventLogA@8
+;CloseCodeAuthzLevel
+CloseEncryptedFileRaw@4
+CloseEventLog@4
CloseServiceHandle@4
+;@CloseTrace
+;@CommandLineFromMsiDescriptor
+;ComputeAccessTokenFromCodeAuthzLevel
+;@ControlTraceA
+;@ControlTraceW
ControlService@12
+;ConvertAccessToSecurityDescriptorA
+;ConvertAccessToSecurityDescriptorW
+;ConvertSDToStringSDRootDomainA
+;ConvertSDToStringSDRootDomainW
+;ConvertSecurityDescriptorToAccessA
+;ConvertSecurityDescriptorToAccessNamedA
+;ConvertSecurityDescriptorToAccessNamedW
+;ConvertSecurityDescriptorToAccessW
+;@ConvertSecurityDescriptorToStringSecurityDescriptorA
+;@ConvertSecurityDescriptorToStringSecurityDescriptorW
+;@ConvertSidToStringSidA
+;@ConvertSidToStringSidW
+;ConvertStringSDToSDDomainA
+;ConvertStringSDToSDDomainW
+;ConvertStringSDToSDRootDomainA
+;ConvertStringSDToSDRootDomainW
+;@ConvertStringSecurityDescriptorToSecurityDescriptorA
+;@ConvertStringSecurityDescriptorToSecurityDescriptorW
+;@ConvertStringSidToSidA
+;@ConvertStringSidToSidW
+ConvertToAutoInheritPrivateObjectSecurity@24
CopySid@12
+;CreateCodeAuthzLevel
CreatePrivateObjectSecurity@24
+CreatePrivateObjectSecurityEx@32
+CreatePrivateObjectSecurityWithMultipleInheritance@36
CreateProcessAsUserA@44
CreateProcessAsUserW@44
+CreateProcessWithLogonW@44
+CreateRestrictedToken@36
CreateServiceA@52
CreateServiceW@52
+;@CreateTraceInstanceId
+CreateWellKnownSid@16
+;@CredDeleteA
+;@CredDeleteW
+;@CredEnumerateA
+;@CredEnumerateW
+;@CredFree
+;@CredGetSessionTypes
+;@CredGetTargetInfoA
+;@CredGetTargetInfoW
+;@CredIsMarshaledCredentialA
+;@CredIsMarshaledCredentialW
+;@CredMarshalCredentialA
+;@CredMarshalCredentialW
+;CredProfileLoaded
+;@CredReadA
+;@CredReadDomainCredentialsA
+;@CredReadDomainCredentialsW
+;@CredReadW
+;@CredRenameA
+;@CredRenameW
+;@CredUnmarshalCredentialA
+;@CredUnmarshalCredentialW
+;@CredWriteA
+;@CredWriteDomainCredentialsA
+;@CredWriteDomainCredentialsW
+;@CredWriteW
+;CredpConvertCredential
+;CredpConvertTargetInfo
+;CredpDecodeCredential
+;CredpEncodeCredential
CryptAcquireContextA@20
CryptAcquireContextW@20
+CryptContextAddRef@12
CryptCreateHash@20
CryptDecrypt@24
CryptDeriveKey@20
CryptDestroyHash@4
CryptDestroyKey@4
+CryptDuplicateHash@16
+CryptDuplicateKey@16
CryptEncrypt@28
+CryptEnumProviderTypesA@24
+CryptEnumProviderTypesW@24
+CryptEnumProvidersA@24
+CryptEnumProvidersW@24
CryptExportKey@24
CryptGenKey@16
CryptGenRandom@12
+CryptGetDefaultProviderA@20
+CryptGetDefaultProviderW@20
CryptGetHashParam@20
CryptGetKeyParam@20
CryptGetProvParam@20
CryptSetProvParam@16
CryptSetProviderA@8
CryptSetProviderW@8
+CryptSetProviderExA@16
+CryptSetProviderExW@16
CryptSignHashA@24
CryptSignHashW@24
CryptVerifySignatureA@24
CryptVerifySignatureW@24
+DecryptFileA@8
+DecryptFileW@8
DeleteAce@8
DeleteService@4
-DenyAccessRightsA
-DenyAccessRightsW
DeregisterEventSource@4
DestroyPrivateObjectSecurity@4
+;@DuplicateEncryptionInfoFile
DuplicateToken@12
DuplicateTokenEx@24
-ElfBackupEventLogFileA@8
-ElfBackupEventLogFileW@8
-ElfChangeNotify@8
-ElfClearEventLogFileA@8
-ElfClearEventLogFileW@8
-ElfCloseEventLog@4
-ElfDeregisterEventSource@4
-ElfNumberOfRecords@8
-ElfOldestRecord@8
-ElfOpenBackupEventLogA@12
-ElfOpenBackupEventLogW@12
-ElfOpenEventLogA@12
-ElfOpenEventLogW@12
-ElfReadEventLogA@28
-ElfReadEventLogW@28
-ElfRegisterEventSourceA@12
-ElfRegisterEventSourceW@12
-ElfReportEventA@48
-ElfReportEventW@48
+;ElfBackupEventLogFileA@8
+;ElfBackupEventLogFileW@8
+;ElfChangeNotify@8
+;ElfClearEventLogFileA@8
+;ElfClearEventLogFileW@8
+;ElfCloseEventLog@4
+;ElfDeregisterEventSource@4
+;ElfNumberOfRecords@8
+;ElfOldestRecord@8
+;ElfOpenBackupEventLogA@12
+;ElfOpenBackupEventLogW@12
+;ElfOpenEventLogA@12
+;ElfOpenEventLogW@12
+;ElfReadEventLogA@28
+;ElfReadEventLogW@28
+;ElfRegisterEventSourceA@12
+;ElfRegisterEventSourceW@12
+;ElfReportEventA@48
+;ElfReportEventW@48
+;@EnableTrace
+EncryptFileA@4
+EncryptFileW@4
+;EncryptedFileKeyInfo
+;@EncryptionDisable
EnumDependentServicesA@24
EnumDependentServicesW@24
EnumServiceGroupW@36
EnumServicesStatusA@32
+EnumServicesStatusExA@40
+EnumServicesStatusExW@40
EnumServicesStatusW@32
+;@EnumerateTraceGuids
+EqualDomainSid@12
EqualPrefixSid@8
EqualSid@8
+FileEncryptionStatusA@8
+FileEncryptionStatusW@8
FindFirstFreeAce@8
+;@FlushTraceA
+;@FlushTraceW
+;FreeEncryptedFileKeyInfo
+;@FreeEncryptionCertificateHashList
+FreeInheritedFromArray@12
FreeSid@4
+;GetAccessPermissionsForObjectA
+;GetAccessPermissionsForObjectW
GetAce@12
GetAclInformation@16
GetAuditedPermissionsFromAclA@16
GetAuditedPermissionsFromAclW@16
-GetAuditedPermissionsFromSDA@16
-GetAuditedPermissionsFromSDW@16
GetCurrentHwProfileA@4
GetCurrentHwProfileW@4
-GetEffectiveAccessRightsA@16
-GetEffectiveAccessRightsW@16
GetEffectiveRightsFromAclA@12
GetEffectiveRightsFromAclW@12
-GetEffectiveRightsFromSDA@12
-GetEffectiveRightsFromSDW@12
-GetExplicitAccessRightsA@16
-GetExplicitAccessRightsW@16
+GetEventLogInformation@20
GetExplicitEntriesFromAclA@12
GetExplicitEntriesFromAclW@12
GetFileSecurityA@20
GetFileSecurityW@20
+;GetInformationCodeAuthzLevelW
+;GetInformationCodeAuthzPolicyW
+GetInheritanceSourceA@40
+GetInheritanceSourceW@40
GetKernelObjectSecurity@20
GetLengthSid@4
+;@GetLocalManagedApplicationData
+;@GetLocalManagedApplications
+;@GetManagedApplicationCategories
+;@GetManagedApplications
GetMultipleTrusteeA@4
GetMultipleTrusteeOperationA@4
GetMultipleTrusteeOperationW@4
GetMultipleTrusteeW@4
GetNamedSecurityInfoA@32
+;GetNamedSecurityInfoExA
+;GetNamedSecurityInfoExW
GetNamedSecurityInfoW@32
GetNumberOfEventLogRecords@8
GetOldestEventLogRecord@8
+;GetOverlappedAccessResults
GetPrivateObjectSecurity@20
GetSecurityDescriptorControl@12
GetSecurityDescriptorDacl@16
GetSecurityDescriptorGroup@12
GetSecurityDescriptorLength@4
GetSecurityDescriptorOwner@12
+GetSecurityDescriptorRMControl@8
GetSecurityDescriptorSacl@16
GetSecurityInfo@32
+GetSecurityInfoExA@36
+GetSecurityInfoExW@36
GetServiceDisplayNameA@16
GetServiceDisplayNameW@16
GetServiceKeyNameA@16
GetSidSubAuthority@8
GetSidSubAuthorityCount@4
GetTokenInformation@20
-GetTrusteeForm@4
+;@GetTraceEnableFlags
+;@GetTraceEnableLevel
+;@GetTraceLoggerHandle
+GetTrusteeFormA@4
+GetTrusteeFormW@4
GetTrusteeNameA@4
GetTrusteeNameW@4
GetTrusteeTypeA@4
GetTrusteeTypeW@4
GetUserNameA@8
GetUserNameW@8
+GetWindowsAccountDomainSid@12
GrantAccessRightsA@16
GrantAccessRightsW@16
-I_ScGetCurrentGroupStateW@12
-I_ScSetServiceBitsA@20
-I_ScSetServiceBitsW@20
+;I_ScGetCurrentGroupStateW@12
+;I_ScIsSecurityProcess
+;I_ScPnPGetServiceName
+;I_ScSendTSMessage
+;I_ScSetServiceBitsA@20
+;I_ScSetServiceBitsW@20
+;IdentifyCodeAuthzLevelW
+ImpersonateAnonymousToken@4
ImpersonateLoggedOnUser@4
ImpersonateNamedPipeClient@4
ImpersonateSelf@4
InitializeSecurityDescriptor@8
InitializeSid@12
InitiateSystemShutdownA@20
+InitiateSystemShutdownExA@24
+InitiateSystemShutdownExW@24
InitiateSystemShutdownW@20
+;@InstallApplication
IsAccessPermittedA@20
IsAccessPermittedW@20
IsTextUnicode@12
+IsTokenRestricted@4
+IsTokenUntrusted@4
+IsWellKnownSid@8
IsValidAcl@4
IsValidSecurityDescriptor@4
IsValidSid@4
LockServiceDatabase@4
LogonUserA@24
+LogonUserExA@40
+LogonUserExW@40
LogonUserW@24
LookupAccountNameA@28
LookupAccountNameW@28
LookupSecurityDescriptorPartsA@28
LookupSecurityDescriptorPartsW@28
LsaAddAccountRights@16
-LsaAddPrivilegesToAccount@8
-LsaClearAuditLog@4
+;LsaAddPrivilegesToAccount@8
+;LsaClearAuditLog@4
LsaClose@4
-LsaCreateAccount@16
-LsaCreateSecret@16
-LsaCreateTrustedDomain@16
-LsaDelete@4
+;LsaCreateAccount@16
+;LsaCreateSecret@16
+;LsaCreateTrustedDomain@16
+LsaCreateTrustedDomainEx@20
+;LsaDelete@4
LsaDeleteTrustedDomain@8
LsaEnumerateAccountRights@16
-LsaEnumerateAccounts@20
+;LsaEnumerateAccounts@20
LsaEnumerateAccountsWithUserRight@16
-LsaEnumeratePrivileges@20
-LsaEnumeratePrivilegesOfAccount@8
+;LsaEnumeratePrivileges@20
+;LsaEnumeratePrivilegesOfAccount@8
LsaEnumerateTrustedDomains@20
+LsaEnumerateTrustedDomainsEx@20
LsaFreeMemory@4
-LsaGetQuotasForAccount@8
-LsaGetSystemAccessAccount@8
-LsaGetUserName@8
-LsaICLookupNames@32
-LsaICLookupSids@32
+;LsaGetQuotasForAccount@8
+;LsaGetRemoteUserName
+;LsaGetSystemAccessAccount@8
+;LsaGetUserName@8
+;LsaICLookupNames@32
+;LsaICLookupNamesWithCreds
+;LsaICLookupSids@32
+;LsaICLookupSidsWithCreds
LsaLookupNames@20
-LsaLookupPrivilegeDisplayName@16
-LsaLookupPrivilegeName@12
-LsaLookupPrivilegeValue@12
+LsaLookupNames2@24
+;LsaLookupPrivilegeDisplayName@16
+;LsaLookupPrivilegeName@12
+;LsaLookupPrivilegeValue@12
LsaLookupSids@20
LsaNtStatusToWinError@4
-LsaOpenAccount@16
+;LsaOpenAccount@16
LsaOpenPolicy@16
-LsaOpenSecret@16
-LsaOpenTrustedDomain@16
+;LsaOpenPolicySce
+;LsaOpenSecret@16
+;LsaOpenTrustedDomain@16
+LsaOpenTrustedDomainByName@16
+LsaQueryDomainInformationPolicy@12
+LsaQueryForestTrustInformation@12
LsaQueryInformationPolicy@12
-LsaQueryInfoTrustedDomain@12
-LsaQuerySecret@20
-LsaQuerySecurityObject@12
-LsaQueryTrustedDomainInfo@20
+;LsaQueryInfoTrustedDomain@12
+LsaQueryTrustedDomainInfoByName@16
+;LsaQuerySecret@20
+;LsaQuerySecurityObject@12
+LsaQueryTrustedDomainInfo@16
LsaRemoveAccountRights@20
-LsaRemovePrivilegesFromAccount@12
-LsaRetrievePrivateData@12
+;LsaRemovePrivilegesFromAccount@12
+;LsaRetrievePrivateData@12
+LsaSetDomainInformationPolicy@12
LsaSetInformationPolicy@12
-LsaSetInformationTrustedDomain@12
-LsaSetQuotasForAccount@8
-LsaSetSecret@12
-LsaSetSecurityObject@12
-LsaSetSystemAccessAccount@8
+;LsaSetInformationTrustedDomain@12
+LsaSetForestTrustInformation@20
+LsaSetTrustedDomainInfoByName@16
+;LsaSetQuotasForAccount@8
+;LsaSetSecret@12
+;LsaSetSecurityObject@12
+;LsaSetSystemAccessAccount@8
LsaSetTrustedDomainInformation@16
LsaStorePrivateData@12
MakeAbsoluteSD@44
MakeSelfRelativeSD@12
MapGenericMask@8
+MD4Final@4
+MD4Init@4
+MD4Update@12
+MD5Final@4
+MD5Init@4
+MD5Update@12
+;@MSChapSrvChangePassword
+;@MSChapSrvChangePassword2
+MakeAbsoluteSD2@8
NTAccessMaskToProvAccessRights@12
NotifyBootConfigStatus@4
NotifyChangeEventLog@8
ObjectPrivilegeAuditAlarmW@24
OpenBackupEventLogA@8
OpenBackupEventLogW@8
+OpenEncryptedFileRawA@12
+OpenEncryptedFileRawW@12
OpenEventLogA@8
OpenEventLogW@8
OpenProcessToken@12
OpenServiceA@12
OpenServiceW@12
OpenThreadToken@16
+;@OpenTraceA
+;@OpenTraceW
PrivilegeCheck@12
PrivilegedServiceAuditAlarmA@20
PrivilegedServiceAuditAlarmW@20
-ProvAccessRightsToNTAccessMask@8
+;ProcessIdleTasks
+;@ProcessTrace
+;@QueryAllTracesA
+;@QueryAllTracesW
+;@QueryRecoveryAgentsOnEncryptedFile
QueryServiceConfigA@16
QueryServiceConfigW@16
+QueryServiceConfig2A@20
+QueryServiceConfig2W@20
QueryServiceLockStatusA@16
QueryServiceLockStatusW@16
QueryServiceObjectSecurity@20
QueryServiceStatus@8
+QueryServiceStatusEx@20
+;@QueryTraceA
+;@QueryTraceW
+;@QueryUsersOnEncryptedFile
QueryWindows31FilesMigration@4
+ReadEncryptedFileRaw@12
ReadEventLogA@28
ReadEventLogW@28
RegCloseKey@4
RegDeleteKeyW@8
RegDeleteValueA@8
RegDeleteValueW@8
+RegDisablePredefinedCache@0
RegEnumKeyA@16
RegEnumKeyExA@32
RegEnumKeyExW@32
RegLoadKeyA@12
RegLoadKeyW@12
RegNotifyChangeKeyValue@20
+RegOpenCurrentUser@8
RegOpenKeyA@12
RegOpenKeyExA@20
RegOpenKeyExW@20
RegOpenKeyW@12
+RegOpenUserClassesRoot@16
+RegOverridePredefKey@8
RegQueryInfoKeyA@48
RegQueryInfoKeyW@48
RegQueryMultipleValuesA@20
RegRestoreKeyA@12
RegRestoreKeyW@12
RegSaveKeyA@12
+RegSaveKeyExA@16
+RegSaveKeyExW@16
RegSaveKeyW@12
RegSetKeySecurity@12
RegSetValueA@20
RegUnLoadKeyW@8
RegisterEventSourceA@8
RegisterEventSourceW@8
+;RegisterIdleTask
RegisterServiceCtrlHandlerA@8
+RegisterServiceCtrlHandlerExA@12
+RegisterServiceCtrlHandlerExW@12
RegisterServiceCtrlHandlerW@8
-ReplaceAllAccessRightsA
-ReplaceAllAccessRightsW
+;@RegisterTraceGuidsA
+;@RegisterTraceGuidsW
+;@RemoveTraceCallback
+;@RemoveUsersFromEncryptedFile
ReportEventA@36
ReportEventW@36
RevertToSelf@0
RevokeExplicitAccessRightsA@16
RevokeExplicitAccessRightsW@16
+;@SaferCloseLevel
+;@SaferComputeTokenFromLevel
+;@SaferCreateLevel
+;@SaferGetLevelInformation
+;@SaferGetPolicyInformation
+;@SaferIdentifyLevel
+;@SaferRecordEventLogEntry
+;@SaferSetLevelInformation
+;@SaferSetPolicyInformation
+;SaferiChangeRegistryScope
+;SaferiCompareTokenLevels
+;@SaferiIsExecutableFileType
+;SaferiPopulateDefaultsInRegistry
+;SaferiRecordEventLogEntry
+;SaferiReplaceProcessThreadTokens
+;SaferiSearchMatchingHashRules
SetAccessRightsA@16
SetAccessRightsW@16
SetAclInformation@16
+;SetEntriesInAccessListA
+;SetEntriesInAccessListW
SetEntriesInAclA@16
-SetEntriesInAclA@16
+SetEntriesInAclW@16
+;SetEntriesInAuditListA
+;SetEntriesInAuditListW
SetFileSecurityA@12
SetFileSecurityW@12
SetKernelObjectSecurity@12
+;SetInformationCodeAuthzLevelW
+;SetInformationCodeAuthzPolicyW
SetNamedSecurityInfoA@28
+;SetNamedSecurityInfoExA
+;SetNamedSecurityInfoExW
SetNamedSecurityInfoW@28
SetPrivateObjectSecurity@20
+SetPrivateObjectSecurityEx@24
+SetSecurityDescriptorControl@12
SetSecurityDescriptorDacl@16
SetSecurityDescriptorGroup@12
SetSecurityDescriptorOwner@12
+SetSecurityDescriptorRMControl@8
SetSecurityDescriptorSacl@16
SetSecurityInfo@28
+;SetSecurityInfoExA
+;SetSecurityInfoExW
SetServiceBits@16
SetServiceObjectSecurity@12
SetServiceStatus@8
SetThreadToken@8
SetTokenInformation@16
+;@SetTraceCallback
+;@SetUserFileEncryptionKey
StartServiceA@12
StartServiceCtrlDispatcherA@4
StartServiceCtrlDispatcherW@4
StartServiceW@12
-SynchronizeWindows31FilesAndWindowsNTRegistry@16
+;@StartTraceA
+;@StartTraceW
+;@StopTraceA
+;@StopTraceW
+;SynchronizeWindows31FilesAndWindowsNTRegistry@16
SystemFunction001@12
SystemFunction002@12
SystemFunction003@8
SystemFunction031@8
SystemFunction032@8
SystemFunction033@8
+SystemFunction034@8
+SystemFunction035@8
+;SystemFunction036
+;SystemFunction040
+;SystemFunction041
+;@TraceEvent
+;@TraceEventInstance
+;@TraceMessage
+;@TraceMessageVa
+TreeResetNamedSecurityInfoA@44
+TreeResetNamedSecurityInfoW@44
+;TrusteeAccessToObjectA
+;TrusteeAccessToObjectW
+;@UninstallApplication
UnlockServiceDatabase@4
-WinLoadTrustProvider@4
-WinSubmitCertificate@4
-WinVerifyTrust@12
-; EOF
+;UnregisterIdleTask
+;@UnregisterTraceGuids
+;@UpdateTraceA
+;@UpdateTraceW
+;WdmWmiServiceMain
+;WmiCloseBlock
+;WmiCloseTraceWithCursor
+;WmiConvertTimestamp
+;WmiDevInstToInstanceNameA
+;WmiDevInstToInstanceNameW
+;WmiEnumerateGuids
+;WmiExecuteMethodA
+;WmiExecuteMethodW
+;WmiFileHandleToInstanceNameA
+;WmiFileHandleToInstanceNameW
+;WmiFreeBuffer
+;WmiGetFirstTraceOffset
+;WmiGetNextEvent
+;WmiGetTraceHeader
+;WmiMofEnumerateResourcesA
+;WmiMofEnumerateResourcesW
+;WmiNotificationRegistrationA
+;WmiNotificationRegistrationW
+;WmiOpenBlock
+;WmiOpenTraceWithCursor
+;WmiParseTraceEvent
+;WmiQueryAllDataA
+;WmiQueryAllDataMultipleA
+;WmiQueryAllDataMultipleW
+;WmiQueryAllDataW
+;WmiQueryGuidInformation
+;WmiQuerySingleInstanceA
+;WmiQuerySingleInstanceMultipleA
+;WmiQuerySingleInstanceMultipleW
+;WmiQuerySingleInstanceW
+;WmiReceiveNotificationsA
+;WmiReceiveNotificationsW
+;WmiSetSingleInstanceA
+;WmiSetSingleInstanceW
+;WmiSetSingleItemA
+;WmiSetSingleItemW
+Wow64Win32ApiEntry@12
+WriteEncryptedFileRaw@12
git://git.jankratochvil.net / reactos.git / blobdiff