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security_windows.go
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// 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
//sys NetUserEnum(serverName *uint16, level uint32, filter uint32, buf **byte, prefMaxLen uint32, entriesRead *uint32, totalEntries *uint32, resumeHandle *uint32) (neterr error) = netapi32.NetUserEnum
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((*[256]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 isTokenRestricted(tokenHandle Token) (ret bool, err error) [!failretval] = advapi32.IsTokenRestricted
//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
}
// IsRestricted reports whether the access token t is a restricted token.
func (t Token) IsRestricted() (isRestricted bool, err error) {
isRestricted, err = isTokenRestricted(t)
if !isRestricted && err == syscall.EINVAL {
// If err is EINVAL, this returned ERROR_SUCCESS indicating a non-restricted token.
err = nil
}
return
}
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
//sys WTSGetActiveConsoleSessionId() (sessionID uint32)
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 SECURITY_QUALITY_OF_SERVICE struct {
Length uint32
ImpersonationLevel uint32
ContextTrackingMode byte
EffectiveOnly byte
}
// Constants for the ContextTrackingMode field of SECURITY_QUALITY_OF_SERVICE.
const (
SECURITY_STATIC_TRACKING = 0
SECURITY_DYNAMIC_TRACKING = 1
)
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