diff --git a/vendor/golang.org/x/sys/windows/security_windows.go b/vendor/golang.org/x/sys/windows/security_windows.go
new file mode 100644
index 0000000..c605ee6
--- /dev/null
+++ b/vendor/golang.org/x/sys/windows/security_windows.go
@@ -0,0 +1,1396 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package windows
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+const (
+	NameUnknown          = 0
+	NameFullyQualifiedDN = 1
+	NameSamCompatible    = 2
+	NameDisplay          = 3
+	NameUniqueId         = 6
+	NameCanonical        = 7
+	NameUserPrincipal    = 8
+	NameCanonicalEx      = 9
+	NameServicePrincipal = 10
+	NameDnsDomain        = 12
+)
+
+// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
+// http://blogs.msdn.com/b/drnick/archive/2007/12/19/windows-and-upn-format-credentials.aspx
+//sys	TranslateName(accName *uint16, accNameFormat uint32, desiredNameFormat uint32, translatedName *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.TranslateNameW
+//sys	GetUserNameEx(nameFormat uint32, nameBuffre *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.GetUserNameExW
+
+// TranslateAccountName converts a directory service
+// object name from one format to another.
+func TranslateAccountName(username string, from, to uint32, initSize int) (string, error) {
+	u, e := UTF16PtrFromString(username)
+	if e != nil {
+		return "", e
+	}
+	n := uint32(50)
+	for {
+		b := make([]uint16, n)
+		e = TranslateName(u, from, to, &b[0], &n)
+		if e == nil {
+			return UTF16ToString(b[:n]), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", e
+		}
+		if n <= uint32(len(b)) {
+			return "", e
+		}
+	}
+}
+
+const (
+	// do not reorder
+	NetSetupUnknownStatus = iota
+	NetSetupUnjoined
+	NetSetupWorkgroupName
+	NetSetupDomainName
+)
+
+type UserInfo10 struct {
+	Name       *uint16
+	Comment    *uint16
+	UsrComment *uint16
+	FullName   *uint16
+}
+
+//sys	NetUserGetInfo(serverName *uint16, userName *uint16, level uint32, buf **byte) (neterr error) = netapi32.NetUserGetInfo
+//sys	NetGetJoinInformation(server *uint16, name **uint16, bufType *uint32) (neterr error) = netapi32.NetGetJoinInformation
+//sys	NetApiBufferFree(buf *byte) (neterr error) = netapi32.NetApiBufferFree
+
+const (
+	// do not reorder
+	SidTypeUser = 1 + iota
+	SidTypeGroup
+	SidTypeDomain
+	SidTypeAlias
+	SidTypeWellKnownGroup
+	SidTypeDeletedAccount
+	SidTypeInvalid
+	SidTypeUnknown
+	SidTypeComputer
+	SidTypeLabel
+)
+
+type SidIdentifierAuthority struct {
+	Value [6]byte
+}
+
+var (
+	SECURITY_NULL_SID_AUTHORITY        = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 0}}
+	SECURITY_WORLD_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 1}}
+	SECURITY_LOCAL_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 2}}
+	SECURITY_CREATOR_SID_AUTHORITY     = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 3}}
+	SECURITY_NON_UNIQUE_AUTHORITY      = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 4}}
+	SECURITY_NT_AUTHORITY              = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 5}}
+	SECURITY_MANDATORY_LABEL_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 16}}
+)
+
+const (
+	SECURITY_NULL_RID                   = 0
+	SECURITY_WORLD_RID                  = 0
+	SECURITY_LOCAL_RID                  = 0
+	SECURITY_CREATOR_OWNER_RID          = 0
+	SECURITY_CREATOR_GROUP_RID          = 1
+	SECURITY_DIALUP_RID                 = 1
+	SECURITY_NETWORK_RID                = 2
+	SECURITY_BATCH_RID                  = 3
+	SECURITY_INTERACTIVE_RID            = 4
+	SECURITY_LOGON_IDS_RID              = 5
+	SECURITY_SERVICE_RID                = 6
+	SECURITY_LOCAL_SYSTEM_RID           = 18
+	SECURITY_BUILTIN_DOMAIN_RID         = 32
+	SECURITY_PRINCIPAL_SELF_RID         = 10
+	SECURITY_CREATOR_OWNER_SERVER_RID   = 0x2
+	SECURITY_CREATOR_GROUP_SERVER_RID   = 0x3
+	SECURITY_LOGON_IDS_RID_COUNT        = 0x3
+	SECURITY_ANONYMOUS_LOGON_RID        = 0x7
+	SECURITY_PROXY_RID                  = 0x8
+	SECURITY_ENTERPRISE_CONTROLLERS_RID = 0x9
+	SECURITY_SERVER_LOGON_RID           = SECURITY_ENTERPRISE_CONTROLLERS_RID
+	SECURITY_AUTHENTICATED_USER_RID     = 0xb
+	SECURITY_RESTRICTED_CODE_RID        = 0xc
+	SECURITY_NT_NON_UNIQUE_RID          = 0x15
+)
+
+// Predefined domain-relative RIDs for local groups.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa379649(v=vs.85).aspx
+const (
+	DOMAIN_ALIAS_RID_ADMINS                         = 0x220
+	DOMAIN_ALIAS_RID_USERS                          = 0x221
+	DOMAIN_ALIAS_RID_GUESTS                         = 0x222
+	DOMAIN_ALIAS_RID_POWER_USERS                    = 0x223
+	DOMAIN_ALIAS_RID_ACCOUNT_OPS                    = 0x224
+	DOMAIN_ALIAS_RID_SYSTEM_OPS                     = 0x225
+	DOMAIN_ALIAS_RID_PRINT_OPS                      = 0x226
+	DOMAIN_ALIAS_RID_BACKUP_OPS                     = 0x227
+	DOMAIN_ALIAS_RID_REPLICATOR                     = 0x228
+	DOMAIN_ALIAS_RID_RAS_SERVERS                    = 0x229
+	DOMAIN_ALIAS_RID_PREW2KCOMPACCESS               = 0x22a
+	DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS           = 0x22b
+	DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS      = 0x22c
+	DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d
+	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0x22e
+	DOMAIN_ALIAS_RID_LOGGING_USERS                  = 0x22f
+	DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS            = 0x230
+	DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS             = 0x231
+	DOMAIN_ALIAS_RID_DCOM_USERS                     = 0x232
+	DOMAIN_ALIAS_RID_IUSERS                         = 0x238
+	DOMAIN_ALIAS_RID_CRYPTO_OPERATORS               = 0x239
+	DOMAIN_ALIAS_RID_CACHEABLE_PRINCIPALS_GROUP     = 0x23b
+	DOMAIN_ALIAS_RID_NON_CACHEABLE_PRINCIPALS_GROUP = 0x23c
+	DOMAIN_ALIAS_RID_EVENT_LOG_READERS_GROUP        = 0x23d
+	DOMAIN_ALIAS_RID_CERTSVC_DCOM_ACCESS_GROUP      = 0x23e
+)
+
+//sys	LookupAccountSid(systemName *uint16, sid *SID, name *uint16, nameLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountSidW
+//sys	LookupAccountName(systemName *uint16, accountName *uint16, sid *SID, sidLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountNameW
+//sys	ConvertSidToStringSid(sid *SID, stringSid **uint16) (err error) = advapi32.ConvertSidToStringSidW
+//sys	ConvertStringSidToSid(stringSid *uint16, sid **SID) (err error) = advapi32.ConvertStringSidToSidW
+//sys	GetLengthSid(sid *SID) (len uint32) = advapi32.GetLengthSid
+//sys	CopySid(destSidLen uint32, destSid *SID, srcSid *SID) (err error) = advapi32.CopySid
+//sys	AllocateAndInitializeSid(identAuth *SidIdentifierAuthority, subAuth byte, subAuth0 uint32, subAuth1 uint32, subAuth2 uint32, subAuth3 uint32, subAuth4 uint32, subAuth5 uint32, subAuth6 uint32, subAuth7 uint32, sid **SID) (err error) = advapi32.AllocateAndInitializeSid
+//sys	createWellKnownSid(sidType WELL_KNOWN_SID_TYPE, domainSid *SID, sid *SID, sizeSid *uint32) (err error) = advapi32.CreateWellKnownSid
+//sys	isWellKnownSid(sid *SID, sidType WELL_KNOWN_SID_TYPE) (isWellKnown bool) = advapi32.IsWellKnownSid
+//sys	FreeSid(sid *SID) (err error) [failretval!=0] = advapi32.FreeSid
+//sys	EqualSid(sid1 *SID, sid2 *SID) (isEqual bool) = advapi32.EqualSid
+//sys	getSidIdentifierAuthority(sid *SID) (authority *SidIdentifierAuthority) = advapi32.GetSidIdentifierAuthority
+//sys	getSidSubAuthorityCount(sid *SID) (count *uint8) = advapi32.GetSidSubAuthorityCount
+//sys	getSidSubAuthority(sid *SID, index uint32) (subAuthority *uint32) = advapi32.GetSidSubAuthority
+//sys	isValidSid(sid *SID) (isValid bool) = advapi32.IsValidSid
+
+// The security identifier (SID) structure is a variable-length
+// structure used to uniquely identify users or groups.
+type SID struct{}
+
+// StringToSid converts a string-format security identifier
+// SID into a valid, functional SID.
+func StringToSid(s string) (*SID, error) {
+	var sid *SID
+	p, e := UTF16PtrFromString(s)
+	if e != nil {
+		return nil, e
+	}
+	e = ConvertStringSidToSid(p, &sid)
+	if e != nil {
+		return nil, e
+	}
+	defer LocalFree((Handle)(unsafe.Pointer(sid)))
+	return sid.Copy()
+}
+
+// LookupSID retrieves a security identifier SID for the account
+// and the name of the domain on which the account was found.
+// System specify target computer to search.
+func LookupSID(system, account string) (sid *SID, domain string, accType uint32, err error) {
+	if len(account) == 0 {
+		return nil, "", 0, syscall.EINVAL
+	}
+	acc, e := UTF16PtrFromString(account)
+	if e != nil {
+		return nil, "", 0, e
+	}
+	var sys *uint16
+	if len(system) > 0 {
+		sys, e = UTF16PtrFromString(system)
+		if e != nil {
+			return nil, "", 0, e
+		}
+	}
+	n := uint32(50)
+	dn := uint32(50)
+	for {
+		b := make([]byte, n)
+		db := make([]uint16, dn)
+		sid = (*SID)(unsafe.Pointer(&b[0]))
+		e = LookupAccountName(sys, acc, sid, &n, &db[0], &dn, &accType)
+		if e == nil {
+			return sid, UTF16ToString(db), accType, nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return nil, "", 0, e
+		}
+		if n <= uint32(len(b)) {
+			return nil, "", 0, e
+		}
+	}
+}
+
+// String converts SID to a string format suitable for display, storage, or transmission.
+func (sid *SID) String() string {
+	var s *uint16
+	e := ConvertSidToStringSid(sid, &s)
+	if e != nil {
+		return ""
+	}
+	defer LocalFree((Handle)(unsafe.Pointer(s)))
+	return UTF16ToString((*[(1 << 30) - 1]uint16)(unsafe.Pointer(s))[:])
+}
+
+// Len returns the length, in bytes, of a valid security identifier SID.
+func (sid *SID) Len() int {
+	return int(GetLengthSid(sid))
+}
+
+// Copy creates a duplicate of security identifier SID.
+func (sid *SID) Copy() (*SID, error) {
+	b := make([]byte, sid.Len())
+	sid2 := (*SID)(unsafe.Pointer(&b[0]))
+	e := CopySid(uint32(len(b)), sid2, sid)
+	if e != nil {
+		return nil, e
+	}
+	return sid2, nil
+}
+
+// IdentifierAuthority returns the identifier authority of the SID.
+func (sid *SID) IdentifierAuthority() SidIdentifierAuthority {
+	return *getSidIdentifierAuthority(sid)
+}
+
+// SubAuthorityCount returns the number of sub-authorities in the SID.
+func (sid *SID) SubAuthorityCount() uint8 {
+	return *getSidSubAuthorityCount(sid)
+}
+
+// SubAuthority returns the sub-authority of the SID as specified by
+// the index, which must be less than sid.SubAuthorityCount().
+func (sid *SID) SubAuthority(idx uint32) uint32 {
+	if idx >= uint32(sid.SubAuthorityCount()) {
+		panic("sub-authority index out of range")
+	}
+	return *getSidSubAuthority(sid, idx)
+}
+
+// IsValid returns whether the SID has a valid revision and length.
+func (sid *SID) IsValid() bool {
+	return isValidSid(sid)
+}
+
+// Equals compares two SIDs for equality.
+func (sid *SID) Equals(sid2 *SID) bool {
+	return EqualSid(sid, sid2)
+}
+
+// IsWellKnown determines whether the SID matches the well-known sidType.
+func (sid *SID) IsWellKnown(sidType WELL_KNOWN_SID_TYPE) bool {
+	return isWellKnownSid(sid, sidType)
+}
+
+// LookupAccount retrieves the name of the account for this SID
+// and the name of the first domain on which this SID is found.
+// System specify target computer to search for.
+func (sid *SID) LookupAccount(system string) (account, domain string, accType uint32, err error) {
+	var sys *uint16
+	if len(system) > 0 {
+		sys, err = UTF16PtrFromString(system)
+		if err != nil {
+			return "", "", 0, err
+		}
+	}
+	n := uint32(50)
+	dn := uint32(50)
+	for {
+		b := make([]uint16, n)
+		db := make([]uint16, dn)
+		e := LookupAccountSid(sys, sid, &b[0], &n, &db[0], &dn, &accType)
+		if e == nil {
+			return UTF16ToString(b), UTF16ToString(db), accType, nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", "", 0, e
+		}
+		if n <= uint32(len(b)) {
+			return "", "", 0, e
+		}
+	}
+}
+
+// Various types of pre-specified SIDs that can be synthesized and compared at runtime.
+type WELL_KNOWN_SID_TYPE uint32
+
+const (
+	WinNullSid                                    = 0
+	WinWorldSid                                   = 1
+	WinLocalSid                                   = 2
+	WinCreatorOwnerSid                            = 3
+	WinCreatorGroupSid                            = 4
+	WinCreatorOwnerServerSid                      = 5
+	WinCreatorGroupServerSid                      = 6
+	WinNtAuthoritySid                             = 7
+	WinDialupSid                                  = 8
+	WinNetworkSid                                 = 9
+	WinBatchSid                                   = 10
+	WinInteractiveSid                             = 11
+	WinServiceSid                                 = 12
+	WinAnonymousSid                               = 13
+	WinProxySid                                   = 14
+	WinEnterpriseControllersSid                   = 15
+	WinSelfSid                                    = 16
+	WinAuthenticatedUserSid                       = 17
+	WinRestrictedCodeSid                          = 18
+	WinTerminalServerSid                          = 19
+	WinRemoteLogonIdSid                           = 20
+	WinLogonIdsSid                                = 21
+	WinLocalSystemSid                             = 22
+	WinLocalServiceSid                            = 23
+	WinNetworkServiceSid                          = 24
+	WinBuiltinDomainSid                           = 25
+	WinBuiltinAdministratorsSid                   = 26
+	WinBuiltinUsersSid                            = 27
+	WinBuiltinGuestsSid                           = 28
+	WinBuiltinPowerUsersSid                       = 29
+	WinBuiltinAccountOperatorsSid                 = 30
+	WinBuiltinSystemOperatorsSid                  = 31
+	WinBuiltinPrintOperatorsSid                   = 32
+	WinBuiltinBackupOperatorsSid                  = 33
+	WinBuiltinReplicatorSid                       = 34
+	WinBuiltinPreWindows2000CompatibleAccessSid   = 35
+	WinBuiltinRemoteDesktopUsersSid               = 36
+	WinBuiltinNetworkConfigurationOperatorsSid    = 37
+	WinAccountAdministratorSid                    = 38
+	WinAccountGuestSid                            = 39
+	WinAccountKrbtgtSid                           = 40
+	WinAccountDomainAdminsSid                     = 41
+	WinAccountDomainUsersSid                      = 42
+	WinAccountDomainGuestsSid                     = 43
+	WinAccountComputersSid                        = 44
+	WinAccountControllersSid                      = 45
+	WinAccountCertAdminsSid                       = 46
+	WinAccountSchemaAdminsSid                     = 47
+	WinAccountEnterpriseAdminsSid                 = 48
+	WinAccountPolicyAdminsSid                     = 49
+	WinAccountRasAndIasServersSid                 = 50
+	WinNTLMAuthenticationSid                      = 51
+	WinDigestAuthenticationSid                    = 52
+	WinSChannelAuthenticationSid                  = 53
+	WinThisOrganizationSid                        = 54
+	WinOtherOrganizationSid                       = 55
+	WinBuiltinIncomingForestTrustBuildersSid      = 56
+	WinBuiltinPerfMonitoringUsersSid              = 57
+	WinBuiltinPerfLoggingUsersSid                 = 58
+	WinBuiltinAuthorizationAccessSid              = 59
+	WinBuiltinTerminalServerLicenseServersSid     = 60
+	WinBuiltinDCOMUsersSid                        = 61
+	WinBuiltinIUsersSid                           = 62
+	WinIUserSid                                   = 63
+	WinBuiltinCryptoOperatorsSid                  = 64
+	WinUntrustedLabelSid                          = 65
+	WinLowLabelSid                                = 66
+	WinMediumLabelSid                             = 67
+	WinHighLabelSid                               = 68
+	WinSystemLabelSid                             = 69
+	WinWriteRestrictedCodeSid                     = 70
+	WinCreatorOwnerRightsSid                      = 71
+	WinCacheablePrincipalsGroupSid                = 72
+	WinNonCacheablePrincipalsGroupSid             = 73
+	WinEnterpriseReadonlyControllersSid           = 74
+	WinAccountReadonlyControllersSid              = 75
+	WinBuiltinEventLogReadersGroup                = 76
+	WinNewEnterpriseReadonlyControllersSid        = 77
+	WinBuiltinCertSvcDComAccessGroup              = 78
+	WinMediumPlusLabelSid                         = 79
+	WinLocalLogonSid                              = 80
+	WinConsoleLogonSid                            = 81
+	WinThisOrganizationCertificateSid             = 82
+	WinApplicationPackageAuthoritySid             = 83
+	WinBuiltinAnyPackageSid                       = 84
+	WinCapabilityInternetClientSid                = 85
+	WinCapabilityInternetClientServerSid          = 86
+	WinCapabilityPrivateNetworkClientServerSid    = 87
+	WinCapabilityPicturesLibrarySid               = 88
+	WinCapabilityVideosLibrarySid                 = 89
+	WinCapabilityMusicLibrarySid                  = 90
+	WinCapabilityDocumentsLibrarySid              = 91
+	WinCapabilitySharedUserCertificatesSid        = 92
+	WinCapabilityEnterpriseAuthenticationSid      = 93
+	WinCapabilityRemovableStorageSid              = 94
+	WinBuiltinRDSRemoteAccessServersSid           = 95
+	WinBuiltinRDSEndpointServersSid               = 96
+	WinBuiltinRDSManagementServersSid             = 97
+	WinUserModeDriversSid                         = 98
+	WinBuiltinHyperVAdminsSid                     = 99
+	WinAccountCloneableControllersSid             = 100
+	WinBuiltinAccessControlAssistanceOperatorsSid = 101
+	WinBuiltinRemoteManagementUsersSid            = 102
+	WinAuthenticationAuthorityAssertedSid         = 103
+	WinAuthenticationServiceAssertedSid           = 104
+	WinLocalAccountSid                            = 105
+	WinLocalAccountAndAdministratorSid            = 106
+	WinAccountProtectedUsersSid                   = 107
+	WinCapabilityAppointmentsSid                  = 108
+	WinCapabilityContactsSid                      = 109
+	WinAccountDefaultSystemManagedSid             = 110
+	WinBuiltinDefaultSystemManagedGroupSid        = 111
+	WinBuiltinStorageReplicaAdminsSid             = 112
+	WinAccountKeyAdminsSid                        = 113
+	WinAccountEnterpriseKeyAdminsSid              = 114
+	WinAuthenticationKeyTrustSid                  = 115
+	WinAuthenticationKeyPropertyMFASid            = 116
+	WinAuthenticationKeyPropertyAttestationSid    = 117
+	WinAuthenticationFreshKeyAuthSid              = 118
+	WinBuiltinDeviceOwnersSid                     = 119
+)
+
+// Creates a SID for a well-known predefined alias, generally using the constants of the form
+// Win*Sid, for the local machine.
+func CreateWellKnownSid(sidType WELL_KNOWN_SID_TYPE) (*SID, error) {
+	return CreateWellKnownDomainSid(sidType, nil)
+}
+
+// Creates a SID for a well-known predefined alias, generally using the constants of the form
+// Win*Sid, for the domain specified by the domainSid parameter.
+func CreateWellKnownDomainSid(sidType WELL_KNOWN_SID_TYPE, domainSid *SID) (*SID, error) {
+	n := uint32(50)
+	for {
+		b := make([]byte, n)
+		sid := (*SID)(unsafe.Pointer(&b[0]))
+		err := createWellKnownSid(sidType, domainSid, sid, &n)
+		if err == nil {
+			return sid, nil
+		}
+		if err != ERROR_INSUFFICIENT_BUFFER {
+			return nil, err
+		}
+		if n <= uint32(len(b)) {
+			return nil, err
+		}
+	}
+}
+
+const (
+	// do not reorder
+	TOKEN_ASSIGN_PRIMARY = 1 << iota
+	TOKEN_DUPLICATE
+	TOKEN_IMPERSONATE
+	TOKEN_QUERY
+	TOKEN_QUERY_SOURCE
+	TOKEN_ADJUST_PRIVILEGES
+	TOKEN_ADJUST_GROUPS
+	TOKEN_ADJUST_DEFAULT
+	TOKEN_ADJUST_SESSIONID
+
+	TOKEN_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
+		TOKEN_ASSIGN_PRIMARY |
+		TOKEN_DUPLICATE |
+		TOKEN_IMPERSONATE |
+		TOKEN_QUERY |
+		TOKEN_QUERY_SOURCE |
+		TOKEN_ADJUST_PRIVILEGES |
+		TOKEN_ADJUST_GROUPS |
+		TOKEN_ADJUST_DEFAULT |
+		TOKEN_ADJUST_SESSIONID
+	TOKEN_READ  = STANDARD_RIGHTS_READ | TOKEN_QUERY
+	TOKEN_WRITE = STANDARD_RIGHTS_WRITE |
+		TOKEN_ADJUST_PRIVILEGES |
+		TOKEN_ADJUST_GROUPS |
+		TOKEN_ADJUST_DEFAULT
+	TOKEN_EXECUTE = STANDARD_RIGHTS_EXECUTE
+)
+
+const (
+	// do not reorder
+	TokenUser = 1 + iota
+	TokenGroups
+	TokenPrivileges
+	TokenOwner
+	TokenPrimaryGroup
+	TokenDefaultDacl
+	TokenSource
+	TokenType
+	TokenImpersonationLevel
+	TokenStatistics
+	TokenRestrictedSids
+	TokenSessionId
+	TokenGroupsAndPrivileges
+	TokenSessionReference
+	TokenSandBoxInert
+	TokenAuditPolicy
+	TokenOrigin
+	TokenElevationType
+	TokenLinkedToken
+	TokenElevation
+	TokenHasRestrictions
+	TokenAccessInformation
+	TokenVirtualizationAllowed
+	TokenVirtualizationEnabled
+	TokenIntegrityLevel
+	TokenUIAccess
+	TokenMandatoryPolicy
+	TokenLogonSid
+	MaxTokenInfoClass
+)
+
+// Group attributes inside of Tokengroups.Groups[i].Attributes
+const (
+	SE_GROUP_MANDATORY          = 0x00000001
+	SE_GROUP_ENABLED_BY_DEFAULT = 0x00000002
+	SE_GROUP_ENABLED            = 0x00000004
+	SE_GROUP_OWNER              = 0x00000008
+	SE_GROUP_USE_FOR_DENY_ONLY  = 0x00000010
+	SE_GROUP_INTEGRITY          = 0x00000020
+	SE_GROUP_INTEGRITY_ENABLED  = 0x00000040
+	SE_GROUP_LOGON_ID           = 0xC0000000
+	SE_GROUP_RESOURCE           = 0x20000000
+	SE_GROUP_VALID_ATTRIBUTES   = SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED | SE_GROUP_OWNER | SE_GROUP_USE_FOR_DENY_ONLY | SE_GROUP_LOGON_ID | SE_GROUP_RESOURCE | SE_GROUP_INTEGRITY | SE_GROUP_INTEGRITY_ENABLED
+)
+
+// Privilege attributes
+const (
+	SE_PRIVILEGE_ENABLED_BY_DEFAULT = 0x00000001
+	SE_PRIVILEGE_ENABLED            = 0x00000002
+	SE_PRIVILEGE_REMOVED            = 0x00000004
+	SE_PRIVILEGE_USED_FOR_ACCESS    = 0x80000000
+	SE_PRIVILEGE_VALID_ATTRIBUTES   = SE_PRIVILEGE_ENABLED_BY_DEFAULT | SE_PRIVILEGE_ENABLED | SE_PRIVILEGE_REMOVED | SE_PRIVILEGE_USED_FOR_ACCESS
+)
+
+// Token types
+const (
+	TokenPrimary       = 1
+	TokenImpersonation = 2
+)
+
+// Impersonation levels
+const (
+	SecurityAnonymous      = 0
+	SecurityIdentification = 1
+	SecurityImpersonation  = 2
+	SecurityDelegation     = 3
+)
+
+type LUID struct {
+	LowPart  uint32
+	HighPart int32
+}
+
+type LUIDAndAttributes struct {
+	Luid       LUID
+	Attributes uint32
+}
+
+type SIDAndAttributes struct {
+	Sid        *SID
+	Attributes uint32
+}
+
+type Tokenuser struct {
+	User SIDAndAttributes
+}
+
+type Tokenprimarygroup struct {
+	PrimaryGroup *SID
+}
+
+type Tokengroups struct {
+	GroupCount uint32
+	Groups     [1]SIDAndAttributes // Use AllGroups() for iterating.
+}
+
+// AllGroups returns a slice that can be used to iterate over the groups in g.
+func (g *Tokengroups) AllGroups() []SIDAndAttributes {
+	return (*[(1 << 28) - 1]SIDAndAttributes)(unsafe.Pointer(&g.Groups[0]))[:g.GroupCount:g.GroupCount]
+}
+
+type Tokenprivileges struct {
+	PrivilegeCount uint32
+	Privileges     [1]LUIDAndAttributes // Use AllPrivileges() for iterating.
+}
+
+// AllPrivileges returns a slice that can be used to iterate over the privileges in p.
+func (p *Tokenprivileges) AllPrivileges() []LUIDAndAttributes {
+	return (*[(1 << 27) - 1]LUIDAndAttributes)(unsafe.Pointer(&p.Privileges[0]))[:p.PrivilegeCount:p.PrivilegeCount]
+}
+
+type Tokenmandatorylabel struct {
+	Label SIDAndAttributes
+}
+
+func (tml *Tokenmandatorylabel) Size() uint32 {
+	return uint32(unsafe.Sizeof(Tokenmandatorylabel{})) + GetLengthSid(tml.Label.Sid)
+}
+
+// Authorization Functions
+//sys	checkTokenMembership(tokenHandle Token, sidToCheck *SID, isMember *int32) (err error) = advapi32.CheckTokenMembership
+//sys	OpenProcessToken(process Handle, access uint32, token *Token) (err error) = advapi32.OpenProcessToken
+//sys	OpenThreadToken(thread Handle, access uint32, openAsSelf bool, token *Token) (err error) = advapi32.OpenThreadToken
+//sys	ImpersonateSelf(impersonationlevel uint32) (err error) = advapi32.ImpersonateSelf
+//sys	RevertToSelf() (err error) = advapi32.RevertToSelf
+//sys	SetThreadToken(thread *Handle, token Token) (err error) = advapi32.SetThreadToken
+//sys	LookupPrivilegeValue(systemname *uint16, name *uint16, luid *LUID) (err error) = advapi32.LookupPrivilegeValueW
+//sys	AdjustTokenPrivileges(token Token, disableAllPrivileges bool, newstate *Tokenprivileges, buflen uint32, prevstate *Tokenprivileges, returnlen *uint32) (err error) = advapi32.AdjustTokenPrivileges
+//sys	AdjustTokenGroups(token Token, resetToDefault bool, newstate *Tokengroups, buflen uint32, prevstate *Tokengroups, returnlen *uint32) (err error) = advapi32.AdjustTokenGroups
+//sys	GetTokenInformation(token Token, infoClass uint32, info *byte, infoLen uint32, returnedLen *uint32) (err error) = advapi32.GetTokenInformation
+//sys	SetTokenInformation(token Token, infoClass uint32, info *byte, infoLen uint32) (err error) = advapi32.SetTokenInformation
+//sys	DuplicateTokenEx(existingToken Token, desiredAccess uint32, tokenAttributes *SecurityAttributes, impersonationLevel uint32, tokenType uint32, newToken *Token) (err error) = advapi32.DuplicateTokenEx
+//sys	GetUserProfileDirectory(t Token, dir *uint16, dirLen *uint32) (err error) = userenv.GetUserProfileDirectoryW
+//sys	getSystemDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetSystemDirectoryW
+//sys	getWindowsDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetWindowsDirectoryW
+//sys	getSystemWindowsDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetSystemWindowsDirectoryW
+
+// An access token contains the security information for a logon session.
+// The system creates an access token when a user logs on, and every
+// process executed on behalf of the user has a copy of the token.
+// The token identifies the user, the user's groups, and the user's
+// privileges. The system uses the token to control access to securable
+// objects and to control the ability of the user to perform various
+// system-related operations on the local computer.
+type Token Handle
+
+// OpenCurrentProcessToken opens an access token associated with current
+// process with TOKEN_QUERY access. It is a real token that needs to be closed.
+//
+// Deprecated: Explicitly call OpenProcessToken(CurrentProcess(), ...)
+// with the desired access instead, or use GetCurrentProcessToken for a
+// TOKEN_QUERY token.
+func OpenCurrentProcessToken() (Token, error) {
+	var token Token
+	err := OpenProcessToken(CurrentProcess(), TOKEN_QUERY, &token)
+	return token, err
+}
+
+// GetCurrentProcessToken returns the access token associated with
+// the current process. It is a pseudo token that does not need
+// to be closed.
+func GetCurrentProcessToken() Token {
+	return Token(^uintptr(4 - 1))
+}
+
+// GetCurrentThreadToken return the access token associated with
+// the current thread. It is a pseudo token that does not need
+// to be closed.
+func GetCurrentThreadToken() Token {
+	return Token(^uintptr(5 - 1))
+}
+
+// GetCurrentThreadEffectiveToken returns the effective access token
+// associated with the current thread. It is a pseudo token that does
+// not need to be closed.
+func GetCurrentThreadEffectiveToken() Token {
+	return Token(^uintptr(6 - 1))
+}
+
+// Close releases access to access token.
+func (t Token) Close() error {
+	return CloseHandle(Handle(t))
+}
+
+// getInfo retrieves a specified type of information about an access token.
+func (t Token) getInfo(class uint32, initSize int) (unsafe.Pointer, error) {
+	n := uint32(initSize)
+	for {
+		b := make([]byte, n)
+		e := GetTokenInformation(t, class, &b[0], uint32(len(b)), &n)
+		if e == nil {
+			return unsafe.Pointer(&b[0]), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return nil, e
+		}
+		if n <= uint32(len(b)) {
+			return nil, e
+		}
+	}
+}
+
+// GetTokenUser retrieves access token t user account information.
+func (t Token) GetTokenUser() (*Tokenuser, error) {
+	i, e := t.getInfo(TokenUser, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokenuser)(i), nil
+}
+
+// GetTokenGroups retrieves group accounts associated with access token t.
+func (t Token) GetTokenGroups() (*Tokengroups, error) {
+	i, e := t.getInfo(TokenGroups, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokengroups)(i), nil
+}
+
+// GetTokenPrimaryGroup retrieves access token t primary group information.
+// A pointer to a SID structure representing a group that will become
+// the primary group of any objects created by a process using this access token.
+func (t Token) GetTokenPrimaryGroup() (*Tokenprimarygroup, error) {
+	i, e := t.getInfo(TokenPrimaryGroup, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokenprimarygroup)(i), nil
+}
+
+// GetUserProfileDirectory retrieves path to the
+// root directory of the access token t user's profile.
+func (t Token) GetUserProfileDirectory() (string, error) {
+	n := uint32(100)
+	for {
+		b := make([]uint16, n)
+		e := GetUserProfileDirectory(t, &b[0], &n)
+		if e == nil {
+			return UTF16ToString(b), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", e
+		}
+		if n <= uint32(len(b)) {
+			return "", e
+		}
+	}
+}
+
+// IsElevated returns whether the current token is elevated from a UAC perspective.
+func (token Token) IsElevated() bool {
+	var isElevated uint32
+	var outLen uint32
+	err := GetTokenInformation(token, TokenElevation, (*byte)(unsafe.Pointer(&isElevated)), uint32(unsafe.Sizeof(isElevated)), &outLen)
+	if err != nil {
+		return false
+	}
+	return outLen == uint32(unsafe.Sizeof(isElevated)) && isElevated != 0
+}
+
+// GetLinkedToken returns the linked token, which may be an elevated UAC token.
+func (token Token) GetLinkedToken() (Token, error) {
+	var linkedToken Token
+	var outLen uint32
+	err := GetTokenInformation(token, TokenLinkedToken, (*byte)(unsafe.Pointer(&linkedToken)), uint32(unsafe.Sizeof(linkedToken)), &outLen)
+	if err != nil {
+		return Token(0), err
+	}
+	return linkedToken, nil
+}
+
+// GetSystemDirectory retrieves the path to current location of the system
+// directory, which is typically, though not always, `C:\Windows\System32`.
+func GetSystemDirectory() (string, error) {
+	n := uint32(MAX_PATH)
+	for {
+		b := make([]uint16, n)
+		l, e := getSystemDirectory(&b[0], n)
+		if e != nil {
+			return "", e
+		}
+		if l <= n {
+			return UTF16ToString(b[:l]), nil
+		}
+		n = l
+	}
+}
+
+// GetWindowsDirectory retrieves the path to current location of the Windows
+// directory, which is typically, though not always, `C:\Windows`. This may
+// be a private user directory in the case that the application is running
+// under a terminal server.
+func GetWindowsDirectory() (string, error) {
+	n := uint32(MAX_PATH)
+	for {
+		b := make([]uint16, n)
+		l, e := getWindowsDirectory(&b[0], n)
+		if e != nil {
+			return "", e
+		}
+		if l <= n {
+			return UTF16ToString(b[:l]), nil
+		}
+		n = l
+	}
+}
+
+// GetSystemWindowsDirectory retrieves the path to current location of the
+// Windows directory, which is typically, though not always, `C:\Windows`.
+func GetSystemWindowsDirectory() (string, error) {
+	n := uint32(MAX_PATH)
+	for {
+		b := make([]uint16, n)
+		l, e := getSystemWindowsDirectory(&b[0], n)
+		if e != nil {
+			return "", e
+		}
+		if l <= n {
+			return UTF16ToString(b[:l]), nil
+		}
+		n = l
+	}
+}
+
+// IsMember reports whether the access token t is a member of the provided SID.
+func (t Token) IsMember(sid *SID) (bool, error) {
+	var b int32
+	if e := checkTokenMembership(t, sid, &b); e != nil {
+		return false, e
+	}
+	return b != 0, nil
+}
+
+const (
+	WTS_CONSOLE_CONNECT        = 0x1
+	WTS_CONSOLE_DISCONNECT     = 0x2
+	WTS_REMOTE_CONNECT         = 0x3
+	WTS_REMOTE_DISCONNECT      = 0x4
+	WTS_SESSION_LOGON          = 0x5
+	WTS_SESSION_LOGOFF         = 0x6
+	WTS_SESSION_LOCK           = 0x7
+	WTS_SESSION_UNLOCK         = 0x8
+	WTS_SESSION_REMOTE_CONTROL = 0x9
+	WTS_SESSION_CREATE         = 0xa
+	WTS_SESSION_TERMINATE      = 0xb
+)
+
+const (
+	WTSActive       = 0
+	WTSConnected    = 1
+	WTSConnectQuery = 2
+	WTSShadow       = 3
+	WTSDisconnected = 4
+	WTSIdle         = 5
+	WTSListen       = 6
+	WTSReset        = 7
+	WTSDown         = 8
+	WTSInit         = 9
+)
+
+type WTSSESSION_NOTIFICATION struct {
+	Size      uint32
+	SessionID uint32
+}
+
+type WTS_SESSION_INFO struct {
+	SessionID         uint32
+	WindowStationName *uint16
+	State             uint32
+}
+
+//sys WTSQueryUserToken(session uint32, token *Token) (err error) = wtsapi32.WTSQueryUserToken
+//sys WTSEnumerateSessions(handle Handle, reserved uint32, version uint32, sessions **WTS_SESSION_INFO, count *uint32) (err error) = wtsapi32.WTSEnumerateSessionsW
+//sys WTSFreeMemory(ptr uintptr) = wtsapi32.WTSFreeMemory
+
+type ACL struct {
+	aclRevision byte
+	sbz1        byte
+	aclSize     uint16
+	aceCount    uint16
+	sbz2        uint16
+}
+
+type SECURITY_DESCRIPTOR struct {
+	revision byte
+	sbz1     byte
+	control  SECURITY_DESCRIPTOR_CONTROL
+	owner    *SID
+	group    *SID
+	sacl     *ACL
+	dacl     *ACL
+}
+
+type SecurityAttributes struct {
+	Length             uint32
+	SecurityDescriptor *SECURITY_DESCRIPTOR
+	InheritHandle      uint32
+}
+
+type SE_OBJECT_TYPE uint32
+
+// Constants for type SE_OBJECT_TYPE
+const (
+	SE_UNKNOWN_OBJECT_TYPE     = 0
+	SE_FILE_OBJECT             = 1
+	SE_SERVICE                 = 2
+	SE_PRINTER                 = 3
+	SE_REGISTRY_KEY            = 4
+	SE_LMSHARE                 = 5
+	SE_KERNEL_OBJECT           = 6
+	SE_WINDOW_OBJECT           = 7
+	SE_DS_OBJECT               = 8
+	SE_DS_OBJECT_ALL           = 9
+	SE_PROVIDER_DEFINED_OBJECT = 10
+	SE_WMIGUID_OBJECT          = 11
+	SE_REGISTRY_WOW64_32KEY    = 12
+	SE_REGISTRY_WOW64_64KEY    = 13
+)
+
+type SECURITY_INFORMATION uint32
+
+// Constants for type SECURITY_INFORMATION
+const (
+	OWNER_SECURITY_INFORMATION            = 0x00000001
+	GROUP_SECURITY_INFORMATION            = 0x00000002
+	DACL_SECURITY_INFORMATION             = 0x00000004
+	SACL_SECURITY_INFORMATION             = 0x00000008
+	LABEL_SECURITY_INFORMATION            = 0x00000010
+	ATTRIBUTE_SECURITY_INFORMATION        = 0x00000020
+	SCOPE_SECURITY_INFORMATION            = 0x00000040
+	BACKUP_SECURITY_INFORMATION           = 0x00010000
+	PROTECTED_DACL_SECURITY_INFORMATION   = 0x80000000
+	PROTECTED_SACL_SECURITY_INFORMATION   = 0x40000000
+	UNPROTECTED_DACL_SECURITY_INFORMATION = 0x20000000
+	UNPROTECTED_SACL_SECURITY_INFORMATION = 0x10000000
+)
+
+type SECURITY_DESCRIPTOR_CONTROL uint16
+
+// Constants for type SECURITY_DESCRIPTOR_CONTROL
+const (
+	SE_OWNER_DEFAULTED       = 0x0001
+	SE_GROUP_DEFAULTED       = 0x0002
+	SE_DACL_PRESENT          = 0x0004
+	SE_DACL_DEFAULTED        = 0x0008
+	SE_SACL_PRESENT          = 0x0010
+	SE_SACL_DEFAULTED        = 0x0020
+	SE_DACL_AUTO_INHERIT_REQ = 0x0100
+	SE_SACL_AUTO_INHERIT_REQ = 0x0200
+	SE_DACL_AUTO_INHERITED   = 0x0400
+	SE_SACL_AUTO_INHERITED   = 0x0800
+	SE_DACL_PROTECTED        = 0x1000
+	SE_SACL_PROTECTED        = 0x2000
+	SE_RM_CONTROL_VALID      = 0x4000
+	SE_SELF_RELATIVE         = 0x8000
+)
+
+type ACCESS_MASK uint32
+
+// Constants for type ACCESS_MASK
+const (
+	DELETE                   = 0x00010000
+	READ_CONTROL             = 0x00020000
+	WRITE_DAC                = 0x00040000
+	WRITE_OWNER              = 0x00080000
+	SYNCHRONIZE              = 0x00100000
+	STANDARD_RIGHTS_REQUIRED = 0x000F0000
+	STANDARD_RIGHTS_READ     = READ_CONTROL
+	STANDARD_RIGHTS_WRITE    = READ_CONTROL
+	STANDARD_RIGHTS_EXECUTE  = READ_CONTROL
+	STANDARD_RIGHTS_ALL      = 0x001F0000
+	SPECIFIC_RIGHTS_ALL      = 0x0000FFFF
+	ACCESS_SYSTEM_SECURITY   = 0x01000000
+	MAXIMUM_ALLOWED          = 0x02000000
+	GENERIC_READ             = 0x80000000
+	GENERIC_WRITE            = 0x40000000
+	GENERIC_EXECUTE          = 0x20000000
+	GENERIC_ALL              = 0x10000000
+)
+
+type ACCESS_MODE uint32
+
+// Constants for type ACCESS_MODE
+const (
+	NOT_USED_ACCESS   = 0
+	GRANT_ACCESS      = 1
+	SET_ACCESS        = 2
+	DENY_ACCESS       = 3
+	REVOKE_ACCESS     = 4
+	SET_AUDIT_SUCCESS = 5
+	SET_AUDIT_FAILURE = 6
+)
+
+// Constants for AceFlags and Inheritance fields
+const (
+	NO_INHERITANCE                     = 0x0
+	SUB_OBJECTS_ONLY_INHERIT           = 0x1
+	SUB_CONTAINERS_ONLY_INHERIT        = 0x2
+	SUB_CONTAINERS_AND_OBJECTS_INHERIT = 0x3
+	INHERIT_NO_PROPAGATE               = 0x4
+	INHERIT_ONLY                       = 0x8
+	INHERITED_ACCESS_ENTRY             = 0x10
+	INHERITED_PARENT                   = 0x10000000
+	INHERITED_GRANDPARENT              = 0x20000000
+	OBJECT_INHERIT_ACE                 = 0x1
+	CONTAINER_INHERIT_ACE              = 0x2
+	NO_PROPAGATE_INHERIT_ACE           = 0x4
+	INHERIT_ONLY_ACE                   = 0x8
+	INHERITED_ACE                      = 0x10
+	VALID_INHERIT_FLAGS                = 0x1F
+)
+
+type MULTIPLE_TRUSTEE_OPERATION uint32
+
+// Constants for MULTIPLE_TRUSTEE_OPERATION
+const (
+	NO_MULTIPLE_TRUSTEE    = 0
+	TRUSTEE_IS_IMPERSONATE = 1
+)
+
+type TRUSTEE_FORM uint32
+
+// Constants for TRUSTEE_FORM
+const (
+	TRUSTEE_IS_SID              = 0
+	TRUSTEE_IS_NAME             = 1
+	TRUSTEE_BAD_FORM            = 2
+	TRUSTEE_IS_OBJECTS_AND_SID  = 3
+	TRUSTEE_IS_OBJECTS_AND_NAME = 4
+)
+
+type TRUSTEE_TYPE uint32
+
+// Constants for TRUSTEE_TYPE
+const (
+	TRUSTEE_IS_UNKNOWN          = 0
+	TRUSTEE_IS_USER             = 1
+	TRUSTEE_IS_GROUP            = 2
+	TRUSTEE_IS_DOMAIN           = 3
+	TRUSTEE_IS_ALIAS            = 4
+	TRUSTEE_IS_WELL_KNOWN_GROUP = 5
+	TRUSTEE_IS_DELETED          = 6
+	TRUSTEE_IS_INVALID          = 7
+	TRUSTEE_IS_COMPUTER         = 8
+)
+
+// Constants for ObjectsPresent field
+const (
+	ACE_OBJECT_TYPE_PRESENT           = 0x1
+	ACE_INHERITED_OBJECT_TYPE_PRESENT = 0x2
+)
+
+type EXPLICIT_ACCESS struct {
+	AccessPermissions ACCESS_MASK
+	AccessMode        ACCESS_MODE
+	Inheritance       uint32
+	Trustee           TRUSTEE
+}
+
+// This type is the union inside of TRUSTEE and must be created using one of the TrusteeValueFrom* functions.
+type TrusteeValue uintptr
+
+func TrusteeValueFromString(str string) TrusteeValue {
+	return TrusteeValue(unsafe.Pointer(StringToUTF16Ptr(str)))
+}
+func TrusteeValueFromSID(sid *SID) TrusteeValue {
+	return TrusteeValue(unsafe.Pointer(sid))
+}
+func TrusteeValueFromObjectsAndSid(objectsAndSid *OBJECTS_AND_SID) TrusteeValue {
+	return TrusteeValue(unsafe.Pointer(objectsAndSid))
+}
+func TrusteeValueFromObjectsAndName(objectsAndName *OBJECTS_AND_NAME) TrusteeValue {
+	return TrusteeValue(unsafe.Pointer(objectsAndName))
+}
+
+type TRUSTEE struct {
+	MultipleTrustee          *TRUSTEE
+	MultipleTrusteeOperation MULTIPLE_TRUSTEE_OPERATION
+	TrusteeForm              TRUSTEE_FORM
+	TrusteeType              TRUSTEE_TYPE
+	TrusteeValue             TrusteeValue
+}
+
+type OBJECTS_AND_SID struct {
+	ObjectsPresent          uint32
+	ObjectTypeGuid          GUID
+	InheritedObjectTypeGuid GUID
+	Sid                     *SID
+}
+
+type OBJECTS_AND_NAME struct {
+	ObjectsPresent          uint32
+	ObjectType              SE_OBJECT_TYPE
+	ObjectTypeName          *uint16
+	InheritedObjectTypeName *uint16
+	Name                    *uint16
+}
+
+//sys	getSecurityInfo(handle Handle, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner **SID, group **SID, dacl **ACL, sacl **ACL, sd **SECURITY_DESCRIPTOR) (ret error) = advapi32.GetSecurityInfo
+//sys	SetSecurityInfo(handle Handle, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner *SID, group *SID, dacl *ACL, sacl *ACL) = advapi32.SetSecurityInfo
+//sys	getNamedSecurityInfo(objectName string, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner **SID, group **SID, dacl **ACL, sacl **ACL, sd **SECURITY_DESCRIPTOR) (ret error) = advapi32.GetNamedSecurityInfoW
+//sys	SetNamedSecurityInfo(objectName string, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner *SID, group *SID, dacl *ACL, sacl *ACL) (ret error) = advapi32.SetNamedSecurityInfoW
+
+//sys	buildSecurityDescriptor(owner *TRUSTEE, group *TRUSTEE, countAccessEntries uint32, accessEntries *EXPLICIT_ACCESS, countAuditEntries uint32, auditEntries *EXPLICIT_ACCESS, oldSecurityDescriptor *SECURITY_DESCRIPTOR, sizeNewSecurityDescriptor *uint32, newSecurityDescriptor **SECURITY_DESCRIPTOR) (ret error) = advapi32.BuildSecurityDescriptorW
+//sys	initializeSecurityDescriptor(absoluteSD *SECURITY_DESCRIPTOR, revision uint32) (err error) = advapi32.InitializeSecurityDescriptor
+
+//sys	getSecurityDescriptorControl(sd *SECURITY_DESCRIPTOR, control *SECURITY_DESCRIPTOR_CONTROL, revision *uint32) (err error) = advapi32.GetSecurityDescriptorControl
+//sys	getSecurityDescriptorDacl(sd *SECURITY_DESCRIPTOR, daclPresent *bool, dacl **ACL, daclDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorDacl
+//sys	getSecurityDescriptorSacl(sd *SECURITY_DESCRIPTOR, saclPresent *bool, sacl **ACL, saclDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorSacl
+//sys	getSecurityDescriptorOwner(sd *SECURITY_DESCRIPTOR, owner **SID, ownerDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorOwner
+//sys	getSecurityDescriptorGroup(sd *SECURITY_DESCRIPTOR, group **SID, groupDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorGroup
+//sys	getSecurityDescriptorLength(sd *SECURITY_DESCRIPTOR) (len uint32) = advapi32.GetSecurityDescriptorLength
+//sys	getSecurityDescriptorRMControl(sd *SECURITY_DESCRIPTOR, rmControl *uint8) (ret error) [failretval!=0] = advapi32.GetSecurityDescriptorRMControl
+//sys	isValidSecurityDescriptor(sd *SECURITY_DESCRIPTOR) (isValid bool) = advapi32.IsValidSecurityDescriptor
+
+//sys	setSecurityDescriptorControl(sd *SECURITY_DESCRIPTOR, controlBitsOfInterest SECURITY_DESCRIPTOR_CONTROL, controlBitsToSet SECURITY_DESCRIPTOR_CONTROL) (err error) = advapi32.SetSecurityDescriptorControl
+//sys	setSecurityDescriptorDacl(sd *SECURITY_DESCRIPTOR, daclPresent bool, dacl *ACL, daclDefaulted bool) (err error) = advapi32.SetSecurityDescriptorDacl
+//sys	setSecurityDescriptorSacl(sd *SECURITY_DESCRIPTOR, saclPresent bool, sacl *ACL, saclDefaulted bool) (err error) = advapi32.SetSecurityDescriptorSacl
+//sys	setSecurityDescriptorOwner(sd *SECURITY_DESCRIPTOR, owner *SID, ownerDefaulted bool) (err error) = advapi32.SetSecurityDescriptorOwner
+//sys	setSecurityDescriptorGroup(sd *SECURITY_DESCRIPTOR, group *SID, groupDefaulted bool) (err error) = advapi32.SetSecurityDescriptorGroup
+//sys	setSecurityDescriptorRMControl(sd *SECURITY_DESCRIPTOR, rmControl *uint8) = advapi32.SetSecurityDescriptorRMControl
+
+//sys	convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd **SECURITY_DESCRIPTOR, size *uint32) (err error) = advapi32.ConvertStringSecurityDescriptorToSecurityDescriptorW
+//sys	convertSecurityDescriptorToStringSecurityDescriptor(sd *SECURITY_DESCRIPTOR, revision uint32, securityInformation SECURITY_INFORMATION, str **uint16, strLen *uint32) (err error) = advapi32.ConvertSecurityDescriptorToStringSecurityDescriptorW
+
+//sys	makeAbsoluteSD(selfRelativeSD *SECURITY_DESCRIPTOR, absoluteSD *SECURITY_DESCRIPTOR, absoluteSDSize *uint32, dacl *ACL, daclSize *uint32, sacl *ACL, saclSize *uint32, owner *SID, ownerSize *uint32, group *SID, groupSize *uint32) (err error) = advapi32.MakeAbsoluteSD
+//sys	makeSelfRelativeSD(absoluteSD *SECURITY_DESCRIPTOR, selfRelativeSD *SECURITY_DESCRIPTOR, selfRelativeSDSize *uint32) (err error) = advapi32.MakeSelfRelativeSD
+
+//sys	setEntriesInAcl(countExplicitEntries uint32, explicitEntries *EXPLICIT_ACCESS, oldACL *ACL, newACL **ACL) (ret error) = advapi32.SetEntriesInAclW
+
+// Control returns the security descriptor control bits.
+func (sd *SECURITY_DESCRIPTOR) Control() (control SECURITY_DESCRIPTOR_CONTROL, revision uint32, err error) {
+	err = getSecurityDescriptorControl(sd, &control, &revision)
+	return
+}
+
+// SetControl sets the security descriptor control bits.
+func (sd *SECURITY_DESCRIPTOR) SetControl(controlBitsOfInterest SECURITY_DESCRIPTOR_CONTROL, controlBitsToSet SECURITY_DESCRIPTOR_CONTROL) error {
+	return setSecurityDescriptorControl(sd, controlBitsOfInterest, controlBitsToSet)
+}
+
+// RMControl returns the security descriptor resource manager control bits.
+func (sd *SECURITY_DESCRIPTOR) RMControl() (control uint8, err error) {
+	err = getSecurityDescriptorRMControl(sd, &control)
+	return
+}
+
+// SetRMControl sets the security descriptor resource manager control bits.
+func (sd *SECURITY_DESCRIPTOR) SetRMControl(rmControl uint8) {
+	setSecurityDescriptorRMControl(sd, &rmControl)
+}
+
+// DACL returns the security descriptor DACL and whether it was defaulted. The dacl return value may be nil
+// if a DACL exists but is an "empty DACL", meaning fully permissive. If the DACL does not exist, err returns
+// ERROR_OBJECT_NOT_FOUND.
+func (sd *SECURITY_DESCRIPTOR) DACL() (dacl *ACL, defaulted bool, err error) {
+	var present bool
+	err = getSecurityDescriptorDacl(sd, &present, &dacl, &defaulted)
+	if !present {
+		err = ERROR_OBJECT_NOT_FOUND
+	}
+	return
+}
+
+// SetDACL sets the absolute security descriptor DACL.
+func (absoluteSD *SECURITY_DESCRIPTOR) SetDACL(dacl *ACL, present, defaulted bool) error {
+	return setSecurityDescriptorDacl(absoluteSD, present, dacl, defaulted)
+}
+
+// SACL returns the security descriptor SACL and whether it was defaulted. The sacl return value may be nil
+// if a SACL exists but is an "empty SACL", meaning fully permissive. If the SACL does not exist, err returns
+// ERROR_OBJECT_NOT_FOUND.
+func (sd *SECURITY_DESCRIPTOR) SACL() (sacl *ACL, defaulted bool, err error) {
+	var present bool
+	err = getSecurityDescriptorSacl(sd, &present, &sacl, &defaulted)
+	if !present {
+		err = ERROR_OBJECT_NOT_FOUND
+	}
+	return
+}
+
+// SetSACL sets the absolute security descriptor SACL.
+func (absoluteSD *SECURITY_DESCRIPTOR) SetSACL(sacl *ACL, present, defaulted bool) error {
+	return setSecurityDescriptorSacl(absoluteSD, present, sacl, defaulted)
+}
+
+// Owner returns the security descriptor owner and whether it was defaulted.
+func (sd *SECURITY_DESCRIPTOR) Owner() (owner *SID, defaulted bool, err error) {
+	err = getSecurityDescriptorOwner(sd, &owner, &defaulted)
+	return
+}
+
+// SetOwner sets the absolute security descriptor owner.
+func (absoluteSD *SECURITY_DESCRIPTOR) SetOwner(owner *SID, defaulted bool) error {
+	return setSecurityDescriptorOwner(absoluteSD, owner, defaulted)
+}
+
+// Group returns the security descriptor group and whether it was defaulted.
+func (sd *SECURITY_DESCRIPTOR) Group() (group *SID, defaulted bool, err error) {
+	err = getSecurityDescriptorGroup(sd, &group, &defaulted)
+	return
+}
+
+// SetGroup sets the absolute security descriptor owner.
+func (absoluteSD *SECURITY_DESCRIPTOR) SetGroup(group *SID, defaulted bool) error {
+	return setSecurityDescriptorGroup(absoluteSD, group, defaulted)
+}
+
+// Length returns the length of the security descriptor.
+func (sd *SECURITY_DESCRIPTOR) Length() uint32 {
+	return getSecurityDescriptorLength(sd)
+}
+
+// IsValid returns whether the security descriptor is valid.
+func (sd *SECURITY_DESCRIPTOR) IsValid() bool {
+	return isValidSecurityDescriptor(sd)
+}
+
+// String returns the SDDL form of the security descriptor, with a function signature that can be
+// used with %v formatting directives.
+func (sd *SECURITY_DESCRIPTOR) String() string {
+	var sddl *uint16
+	err := convertSecurityDescriptorToStringSecurityDescriptor(sd, 1, 0xff, &sddl, nil)
+	if err != nil {
+		return ""
+	}
+	defer LocalFree(Handle(unsafe.Pointer(sddl)))
+	return UTF16ToString((*[(1 << 30) - 1]uint16)(unsafe.Pointer(sddl))[:])
+}
+
+// ToAbsolute converts a self-relative security descriptor into an absolute one.
+func (selfRelativeSD *SECURITY_DESCRIPTOR) ToAbsolute() (absoluteSD *SECURITY_DESCRIPTOR, err error) {
+	control, _, err := selfRelativeSD.Control()
+	if err != nil {
+		return
+	}
+	if control&SE_SELF_RELATIVE == 0 {
+		err = ERROR_INVALID_PARAMETER
+		return
+	}
+	var absoluteSDSize, daclSize, saclSize, ownerSize, groupSize uint32
+	err = makeAbsoluteSD(selfRelativeSD, nil, &absoluteSDSize,
+		nil, &daclSize, nil, &saclSize, nil, &ownerSize, nil, &groupSize)
+	switch err {
+	case ERROR_INSUFFICIENT_BUFFER:
+	case nil:
+		// makeAbsoluteSD is expected to fail, but it succeeds.
+		return nil, ERROR_INTERNAL_ERROR
+	default:
+		return nil, err
+	}
+	if absoluteSDSize > 0 {
+		absoluteSD = (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&make([]byte, absoluteSDSize)[0]))
+	}
+	var (
+		dacl  *ACL
+		sacl  *ACL
+		owner *SID
+		group *SID
+	)
+	if daclSize > 0 {
+		dacl = (*ACL)(unsafe.Pointer(&make([]byte, daclSize)[0]))
+	}
+	if saclSize > 0 {
+		sacl = (*ACL)(unsafe.Pointer(&make([]byte, saclSize)[0]))
+	}
+	if ownerSize > 0 {
+		owner = (*SID)(unsafe.Pointer(&make([]byte, ownerSize)[0]))
+	}
+	if groupSize > 0 {
+		group = (*SID)(unsafe.Pointer(&make([]byte, groupSize)[0]))
+	}
+	err = makeAbsoluteSD(selfRelativeSD, absoluteSD, &absoluteSDSize,
+		dacl, &daclSize, sacl, &saclSize, owner, &ownerSize, group, &groupSize)
+	return
+}
+
+// ToSelfRelative converts an absolute security descriptor into a self-relative one.
+func (absoluteSD *SECURITY_DESCRIPTOR) ToSelfRelative() (selfRelativeSD *SECURITY_DESCRIPTOR, err error) {
+	control, _, err := absoluteSD.Control()
+	if err != nil {
+		return
+	}
+	if control&SE_SELF_RELATIVE != 0 {
+		err = ERROR_INVALID_PARAMETER
+		return
+	}
+	var selfRelativeSDSize uint32
+	err = makeSelfRelativeSD(absoluteSD, nil, &selfRelativeSDSize)
+	switch err {
+	case ERROR_INSUFFICIENT_BUFFER:
+	case nil:
+		// makeSelfRelativeSD is expected to fail, but it succeeds.
+		return nil, ERROR_INTERNAL_ERROR
+	default:
+		return nil, err
+	}
+	if selfRelativeSDSize > 0 {
+		selfRelativeSD = (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&make([]byte, selfRelativeSDSize)[0]))
+	}
+	err = makeSelfRelativeSD(absoluteSD, selfRelativeSD, &selfRelativeSDSize)
+	return
+}
+
+func (selfRelativeSD *SECURITY_DESCRIPTOR) copySelfRelativeSecurityDescriptor() *SECURITY_DESCRIPTOR {
+	sdBytes := make([]byte, selfRelativeSD.Length())
+	copy(sdBytes, (*[(1 << 31) - 1]byte)(unsafe.Pointer(selfRelativeSD))[:len(sdBytes)])
+	return (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&sdBytes[0]))
+}
+
+// SecurityDescriptorFromString converts an SDDL string describing a security descriptor into a
+// self-relative security descriptor object allocated on the Go heap.
+func SecurityDescriptorFromString(sddl string) (sd *SECURITY_DESCRIPTOR, err error) {
+	var winHeapSD *SECURITY_DESCRIPTOR
+	err = convertStringSecurityDescriptorToSecurityDescriptor(sddl, 1, &winHeapSD, nil)
+	if err != nil {
+		return
+	}
+	defer LocalFree(Handle(unsafe.Pointer(winHeapSD)))
+	return winHeapSD.copySelfRelativeSecurityDescriptor(), nil
+}
+
+// GetSecurityInfo queries the security information for a given handle and returns the self-relative security
+// descriptor result on the Go heap.
+func GetSecurityInfo(handle Handle, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION) (sd *SECURITY_DESCRIPTOR, err error) {
+	var winHeapSD *SECURITY_DESCRIPTOR
+	err = getSecurityInfo(handle, objectType, securityInformation, nil, nil, nil, nil, &winHeapSD)
+	if err != nil {
+		return
+	}
+	defer LocalFree(Handle(unsafe.Pointer(winHeapSD)))
+	return winHeapSD.copySelfRelativeSecurityDescriptor(), nil
+}
+
+// GetNamedSecurityInfo queries the security information for a given named object and returns the self-relative security
+// descriptor result on the Go heap.
+func GetNamedSecurityInfo(objectName string, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION) (sd *SECURITY_DESCRIPTOR, err error) {
+	var winHeapSD *SECURITY_DESCRIPTOR
+	err = getNamedSecurityInfo(objectName, objectType, securityInformation, nil, nil, nil, nil, &winHeapSD)
+	if err != nil {
+		return
+	}
+	defer LocalFree(Handle(unsafe.Pointer(winHeapSD)))
+	return winHeapSD.copySelfRelativeSecurityDescriptor(), nil
+}
+
+// BuildSecurityDescriptor makes a new security descriptor using the input trustees, explicit access lists, and
+// prior security descriptor to be merged, any of which can be nil, returning the self-relative security descriptor
+// result on the Go heap.
+func BuildSecurityDescriptor(owner *TRUSTEE, group *TRUSTEE, accessEntries []EXPLICIT_ACCESS, auditEntries []EXPLICIT_ACCESS, mergedSecurityDescriptor *SECURITY_DESCRIPTOR) (sd *SECURITY_DESCRIPTOR, err error) {
+	var winHeapSD *SECURITY_DESCRIPTOR
+	var winHeapSDSize uint32
+	var firstAccessEntry *EXPLICIT_ACCESS
+	if len(accessEntries) > 0 {
+		firstAccessEntry = &accessEntries[0]
+	}
+	var firstAuditEntry *EXPLICIT_ACCESS
+	if len(auditEntries) > 0 {
+		firstAuditEntry = &auditEntries[0]
+	}
+	err = buildSecurityDescriptor(owner, group, uint32(len(accessEntries)), firstAccessEntry, uint32(len(auditEntries)), firstAuditEntry, mergedSecurityDescriptor, &winHeapSDSize, &winHeapSD)
+	if err != nil {
+		return
+	}
+	defer LocalFree(Handle(unsafe.Pointer(winHeapSD)))
+	return winHeapSD.copySelfRelativeSecurityDescriptor(), nil
+}
+
+// NewSecurityDescriptor creates and initializes a new absolute security descriptor.
+func NewSecurityDescriptor() (absoluteSD *SECURITY_DESCRIPTOR, err error) {
+	absoluteSD = &SECURITY_DESCRIPTOR{}
+	err = initializeSecurityDescriptor(absoluteSD, 1)
+	return
+}
+
+// ACLFromEntries returns a new ACL on the Go heap containing a list of explicit entries as well as those of another ACL.
+// Both explicitEntries and mergedACL are optional and can be nil.
+func ACLFromEntries(explicitEntries []EXPLICIT_ACCESS, mergedACL *ACL) (acl *ACL, err error) {
+	var firstExplicitEntry *EXPLICIT_ACCESS
+	if len(explicitEntries) > 0 {
+		firstExplicitEntry = &explicitEntries[0]
+	}
+	var winHeapACL *ACL
+	err = setEntriesInAcl(uint32(len(explicitEntries)), firstExplicitEntry, mergedACL, &winHeapACL)
+	if err != nil {
+		return
+	}
+	defer LocalFree(Handle(unsafe.Pointer(winHeapACL)))
+	aclBytes := make([]byte, winHeapACL.aclSize)
+	copy(aclBytes, (*[(1 << 31) - 1]byte)(unsafe.Pointer(winHeapACL))[:len(aclBytes)])
+	return (*ACL)(unsafe.Pointer(&aclBytes[0])), nil
+}