1// Copyright 2012 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package windows 6 7import ( 8 "syscall" 9 "unsafe" 10 11 "golang.org/x/sys/internal/unsafeheader" 12) 13 14const ( 15 NameUnknown = 0 16 NameFullyQualifiedDN = 1 17 NameSamCompatible = 2 18 NameDisplay = 3 19 NameUniqueId = 6 20 NameCanonical = 7 21 NameUserPrincipal = 8 22 NameCanonicalEx = 9 23 NameServicePrincipal = 10 24 NameDnsDomain = 12 25) 26 27// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL. 28// http://blogs.msdn.com/b/drnick/archive/2007/12/19/windows-and-upn-format-credentials.aspx 29//sys TranslateName(accName *uint16, accNameFormat uint32, desiredNameFormat uint32, translatedName *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.TranslateNameW 30//sys GetUserNameEx(nameFormat uint32, nameBuffre *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.GetUserNameExW 31 32// TranslateAccountName converts a directory service 33// object name from one format to another. 34func TranslateAccountName(username string, from, to uint32, initSize int) (string, error) { 35 u, e := UTF16PtrFromString(username) 36 if e != nil { 37 return "", e 38 } 39 n := uint32(50) 40 for { 41 b := make([]uint16, n) 42 e = TranslateName(u, from, to, &b[0], &n) 43 if e == nil { 44 return UTF16ToString(b[:n]), nil 45 } 46 if e != ERROR_INSUFFICIENT_BUFFER { 47 return "", e 48 } 49 if n <= uint32(len(b)) { 50 return "", e 51 } 52 } 53} 54 55const ( 56 // do not reorder 57 NetSetupUnknownStatus = iota 58 NetSetupUnjoined 59 NetSetupWorkgroupName 60 NetSetupDomainName 61) 62 63type UserInfo10 struct { 64 Name *uint16 65 Comment *uint16 66 UsrComment *uint16 67 FullName *uint16 68} 69 70//sys NetUserGetInfo(serverName *uint16, userName *uint16, level uint32, buf **byte) (neterr error) = netapi32.NetUserGetInfo 71//sys NetGetJoinInformation(server *uint16, name **uint16, bufType *uint32) (neterr error) = netapi32.NetGetJoinInformation 72//sys NetApiBufferFree(buf *byte) (neterr error) = netapi32.NetApiBufferFree 73 74const ( 75 // do not reorder 76 SidTypeUser = 1 + iota 77 SidTypeGroup 78 SidTypeDomain 79 SidTypeAlias 80 SidTypeWellKnownGroup 81 SidTypeDeletedAccount 82 SidTypeInvalid 83 SidTypeUnknown 84 SidTypeComputer 85 SidTypeLabel 86) 87 88type SidIdentifierAuthority struct { 89 Value [6]byte 90} 91 92var ( 93 SECURITY_NULL_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 0}} 94 SECURITY_WORLD_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 1}} 95 SECURITY_LOCAL_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 2}} 96 SECURITY_CREATOR_SID_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 3}} 97 SECURITY_NON_UNIQUE_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 4}} 98 SECURITY_NT_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 5}} 99 SECURITY_MANDATORY_LABEL_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 16}} 100) 101 102const ( 103 SECURITY_NULL_RID = 0 104 SECURITY_WORLD_RID = 0 105 SECURITY_LOCAL_RID = 0 106 SECURITY_CREATOR_OWNER_RID = 0 107 SECURITY_CREATOR_GROUP_RID = 1 108 SECURITY_DIALUP_RID = 1 109 SECURITY_NETWORK_RID = 2 110 SECURITY_BATCH_RID = 3 111 SECURITY_INTERACTIVE_RID = 4 112 SECURITY_LOGON_IDS_RID = 5 113 SECURITY_SERVICE_RID = 6 114 SECURITY_LOCAL_SYSTEM_RID = 18 115 SECURITY_BUILTIN_DOMAIN_RID = 32 116 SECURITY_PRINCIPAL_SELF_RID = 10 117 SECURITY_CREATOR_OWNER_SERVER_RID = 0x2 118 SECURITY_CREATOR_GROUP_SERVER_RID = 0x3 119 SECURITY_LOGON_IDS_RID_COUNT = 0x3 120 SECURITY_ANONYMOUS_LOGON_RID = 0x7 121 SECURITY_PROXY_RID = 0x8 122 SECURITY_ENTERPRISE_CONTROLLERS_RID = 0x9 123 SECURITY_SERVER_LOGON_RID = SECURITY_ENTERPRISE_CONTROLLERS_RID 124 SECURITY_AUTHENTICATED_USER_RID = 0xb 125 SECURITY_RESTRICTED_CODE_RID = 0xc 126 SECURITY_NT_NON_UNIQUE_RID = 0x15 127) 128 129// Predefined domain-relative RIDs for local groups. 130// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa379649(v=vs.85).aspx 131const ( 132 DOMAIN_ALIAS_RID_ADMINS = 0x220 133 DOMAIN_ALIAS_RID_USERS = 0x221 134 DOMAIN_ALIAS_RID_GUESTS = 0x222 135 DOMAIN_ALIAS_RID_POWER_USERS = 0x223 136 DOMAIN_ALIAS_RID_ACCOUNT_OPS = 0x224 137 DOMAIN_ALIAS_RID_SYSTEM_OPS = 0x225 138 DOMAIN_ALIAS_RID_PRINT_OPS = 0x226 139 DOMAIN_ALIAS_RID_BACKUP_OPS = 0x227 140 DOMAIN_ALIAS_RID_REPLICATOR = 0x228 141 DOMAIN_ALIAS_RID_RAS_SERVERS = 0x229 142 DOMAIN_ALIAS_RID_PREW2KCOMPACCESS = 0x22a 143 DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS = 0x22b 144 DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS = 0x22c 145 DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d 146 DOMAIN_ALIAS_RID_MONITORING_USERS = 0x22e 147 DOMAIN_ALIAS_RID_LOGGING_USERS = 0x22f 148 DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS = 0x230 149 DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS = 0x231 150 DOMAIN_ALIAS_RID_DCOM_USERS = 0x232 151 DOMAIN_ALIAS_RID_IUSERS = 0x238 152 DOMAIN_ALIAS_RID_CRYPTO_OPERATORS = 0x239 153 DOMAIN_ALIAS_RID_CACHEABLE_PRINCIPALS_GROUP = 0x23b 154 DOMAIN_ALIAS_RID_NON_CACHEABLE_PRINCIPALS_GROUP = 0x23c 155 DOMAIN_ALIAS_RID_EVENT_LOG_READERS_GROUP = 0x23d 156 DOMAIN_ALIAS_RID_CERTSVC_DCOM_ACCESS_GROUP = 0x23e 157) 158 159//sys LookupAccountSid(systemName *uint16, sid *SID, name *uint16, nameLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountSidW 160//sys LookupAccountName(systemName *uint16, accountName *uint16, sid *SID, sidLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountNameW 161//sys ConvertSidToStringSid(sid *SID, stringSid **uint16) (err error) = advapi32.ConvertSidToStringSidW 162//sys ConvertStringSidToSid(stringSid *uint16, sid **SID) (err error) = advapi32.ConvertStringSidToSidW 163//sys GetLengthSid(sid *SID) (len uint32) = advapi32.GetLengthSid 164//sys CopySid(destSidLen uint32, destSid *SID, srcSid *SID) (err error) = advapi32.CopySid 165//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 166//sys createWellKnownSid(sidType WELL_KNOWN_SID_TYPE, domainSid *SID, sid *SID, sizeSid *uint32) (err error) = advapi32.CreateWellKnownSid 167//sys isWellKnownSid(sid *SID, sidType WELL_KNOWN_SID_TYPE) (isWellKnown bool) = advapi32.IsWellKnownSid 168//sys FreeSid(sid *SID) (err error) [failretval!=0] = advapi32.FreeSid 169//sys EqualSid(sid1 *SID, sid2 *SID) (isEqual bool) = advapi32.EqualSid 170//sys getSidIdentifierAuthority(sid *SID) (authority *SidIdentifierAuthority) = advapi32.GetSidIdentifierAuthority 171//sys getSidSubAuthorityCount(sid *SID) (count *uint8) = advapi32.GetSidSubAuthorityCount 172//sys getSidSubAuthority(sid *SID, index uint32) (subAuthority *uint32) = advapi32.GetSidSubAuthority 173//sys isValidSid(sid *SID) (isValid bool) = advapi32.IsValidSid 174 175// The security identifier (SID) structure is a variable-length 176// structure used to uniquely identify users or groups. 177type SID struct{} 178 179// StringToSid converts a string-format security identifier 180// SID into a valid, functional SID. 181func StringToSid(s string) (*SID, error) { 182 var sid *SID 183 p, e := UTF16PtrFromString(s) 184 if e != nil { 185 return nil, e 186 } 187 e = ConvertStringSidToSid(p, &sid) 188 if e != nil { 189 return nil, e 190 } 191 defer LocalFree((Handle)(unsafe.Pointer(sid))) 192 return sid.Copy() 193} 194 195// LookupSID retrieves a security identifier SID for the account 196// and the name of the domain on which the account was found. 197// System specify target computer to search. 198func LookupSID(system, account string) (sid *SID, domain string, accType uint32, err error) { 199 if len(account) == 0 { 200 return nil, "", 0, syscall.EINVAL 201 } 202 acc, e := UTF16PtrFromString(account) 203 if e != nil { 204 return nil, "", 0, e 205 } 206 var sys *uint16 207 if len(system) > 0 { 208 sys, e = UTF16PtrFromString(system) 209 if e != nil { 210 return nil, "", 0, e 211 } 212 } 213 n := uint32(50) 214 dn := uint32(50) 215 for { 216 b := make([]byte, n) 217 db := make([]uint16, dn) 218 sid = (*SID)(unsafe.Pointer(&b[0])) 219 e = LookupAccountName(sys, acc, sid, &n, &db[0], &dn, &accType) 220 if e == nil { 221 return sid, UTF16ToString(db), accType, nil 222 } 223 if e != ERROR_INSUFFICIENT_BUFFER { 224 return nil, "", 0, e 225 } 226 if n <= uint32(len(b)) { 227 return nil, "", 0, e 228 } 229 } 230} 231 232// String converts SID to a string format suitable for display, storage, or transmission. 233func (sid *SID) String() string { 234 var s *uint16 235 e := ConvertSidToStringSid(sid, &s) 236 if e != nil { 237 return "" 238 } 239 defer LocalFree((Handle)(unsafe.Pointer(s))) 240 return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:]) 241} 242 243// Len returns the length, in bytes, of a valid security identifier SID. 244func (sid *SID) Len() int { 245 return int(GetLengthSid(sid)) 246} 247 248// Copy creates a duplicate of security identifier SID. 249func (sid *SID) Copy() (*SID, error) { 250 b := make([]byte, sid.Len()) 251 sid2 := (*SID)(unsafe.Pointer(&b[0])) 252 e := CopySid(uint32(len(b)), sid2, sid) 253 if e != nil { 254 return nil, e 255 } 256 return sid2, nil 257} 258 259// IdentifierAuthority returns the identifier authority of the SID. 260func (sid *SID) IdentifierAuthority() SidIdentifierAuthority { 261 return *getSidIdentifierAuthority(sid) 262} 263 264// SubAuthorityCount returns the number of sub-authorities in the SID. 265func (sid *SID) SubAuthorityCount() uint8 { 266 return *getSidSubAuthorityCount(sid) 267} 268 269// SubAuthority returns the sub-authority of the SID as specified by 270// the index, which must be less than sid.SubAuthorityCount(). 271func (sid *SID) SubAuthority(idx uint32) uint32 { 272 if idx >= uint32(sid.SubAuthorityCount()) { 273 panic("sub-authority index out of range") 274 } 275 return *getSidSubAuthority(sid, idx) 276} 277 278// IsValid returns whether the SID has a valid revision and length. 279func (sid *SID) IsValid() bool { 280 return isValidSid(sid) 281} 282 283// Equals compares two SIDs for equality. 284func (sid *SID) Equals(sid2 *SID) bool { 285 return EqualSid(sid, sid2) 286} 287 288// IsWellKnown determines whether the SID matches the well-known sidType. 289func (sid *SID) IsWellKnown(sidType WELL_KNOWN_SID_TYPE) bool { 290 return isWellKnownSid(sid, sidType) 291} 292 293// LookupAccount retrieves the name of the account for this SID 294// and the name of the first domain on which this SID is found. 295// System specify target computer to search for. 296func (sid *SID) LookupAccount(system string) (account, domain string, accType uint32, err error) { 297 var sys *uint16 298 if len(system) > 0 { 299 sys, err = UTF16PtrFromString(system) 300 if err != nil { 301 return "", "", 0, err 302 } 303 } 304 n := uint32(50) 305 dn := uint32(50) 306 for { 307 b := make([]uint16, n) 308 db := make([]uint16, dn) 309 e := LookupAccountSid(sys, sid, &b[0], &n, &db[0], &dn, &accType) 310 if e == nil { 311 return UTF16ToString(b), UTF16ToString(db), accType, nil 312 } 313 if e != ERROR_INSUFFICIENT_BUFFER { 314 return "", "", 0, e 315 } 316 if n <= uint32(len(b)) { 317 return "", "", 0, e 318 } 319 } 320} 321 322// Various types of pre-specified SIDs that can be synthesized and compared at runtime. 323type WELL_KNOWN_SID_TYPE uint32 324 325const ( 326 WinNullSid = 0 327 WinWorldSid = 1 328 WinLocalSid = 2 329 WinCreatorOwnerSid = 3 330 WinCreatorGroupSid = 4 331 WinCreatorOwnerServerSid = 5 332 WinCreatorGroupServerSid = 6 333 WinNtAuthoritySid = 7 334 WinDialupSid = 8 335 WinNetworkSid = 9 336 WinBatchSid = 10 337 WinInteractiveSid = 11 338 WinServiceSid = 12 339 WinAnonymousSid = 13 340 WinProxySid = 14 341 WinEnterpriseControllersSid = 15 342 WinSelfSid = 16 343 WinAuthenticatedUserSid = 17 344 WinRestrictedCodeSid = 18 345 WinTerminalServerSid = 19 346 WinRemoteLogonIdSid = 20 347 WinLogonIdsSid = 21 348 WinLocalSystemSid = 22 349 WinLocalServiceSid = 23 350 WinNetworkServiceSid = 24 351 WinBuiltinDomainSid = 25 352 WinBuiltinAdministratorsSid = 26 353 WinBuiltinUsersSid = 27 354 WinBuiltinGuestsSid = 28 355 WinBuiltinPowerUsersSid = 29 356 WinBuiltinAccountOperatorsSid = 30 357 WinBuiltinSystemOperatorsSid = 31 358 WinBuiltinPrintOperatorsSid = 32 359 WinBuiltinBackupOperatorsSid = 33 360 WinBuiltinReplicatorSid = 34 361 WinBuiltinPreWindows2000CompatibleAccessSid = 35 362 WinBuiltinRemoteDesktopUsersSid = 36 363 WinBuiltinNetworkConfigurationOperatorsSid = 37 364 WinAccountAdministratorSid = 38 365 WinAccountGuestSid = 39 366 WinAccountKrbtgtSid = 40 367 WinAccountDomainAdminsSid = 41 368 WinAccountDomainUsersSid = 42 369 WinAccountDomainGuestsSid = 43 370 WinAccountComputersSid = 44 371 WinAccountControllersSid = 45 372 WinAccountCertAdminsSid = 46 373 WinAccountSchemaAdminsSid = 47 374 WinAccountEnterpriseAdminsSid = 48 375 WinAccountPolicyAdminsSid = 49 376 WinAccountRasAndIasServersSid = 50 377 WinNTLMAuthenticationSid = 51 378 WinDigestAuthenticationSid = 52 379 WinSChannelAuthenticationSid = 53 380 WinThisOrganizationSid = 54 381 WinOtherOrganizationSid = 55 382 WinBuiltinIncomingForestTrustBuildersSid = 56 383 WinBuiltinPerfMonitoringUsersSid = 57 384 WinBuiltinPerfLoggingUsersSid = 58 385 WinBuiltinAuthorizationAccessSid = 59 386 WinBuiltinTerminalServerLicenseServersSid = 60 387 WinBuiltinDCOMUsersSid = 61 388 WinBuiltinIUsersSid = 62 389 WinIUserSid = 63 390 WinBuiltinCryptoOperatorsSid = 64 391 WinUntrustedLabelSid = 65 392 WinLowLabelSid = 66 393 WinMediumLabelSid = 67 394 WinHighLabelSid = 68 395 WinSystemLabelSid = 69 396 WinWriteRestrictedCodeSid = 70 397 WinCreatorOwnerRightsSid = 71 398 WinCacheablePrincipalsGroupSid = 72 399 WinNonCacheablePrincipalsGroupSid = 73 400 WinEnterpriseReadonlyControllersSid = 74 401 WinAccountReadonlyControllersSid = 75 402 WinBuiltinEventLogReadersGroup = 76 403 WinNewEnterpriseReadonlyControllersSid = 77 404 WinBuiltinCertSvcDComAccessGroup = 78 405 WinMediumPlusLabelSid = 79 406 WinLocalLogonSid = 80 407 WinConsoleLogonSid = 81 408 WinThisOrganizationCertificateSid = 82 409 WinApplicationPackageAuthoritySid = 83 410 WinBuiltinAnyPackageSid = 84 411 WinCapabilityInternetClientSid = 85 412 WinCapabilityInternetClientServerSid = 86 413 WinCapabilityPrivateNetworkClientServerSid = 87 414 WinCapabilityPicturesLibrarySid = 88 415 WinCapabilityVideosLibrarySid = 89 416 WinCapabilityMusicLibrarySid = 90 417 WinCapabilityDocumentsLibrarySid = 91 418 WinCapabilitySharedUserCertificatesSid = 92 419 WinCapabilityEnterpriseAuthenticationSid = 93 420 WinCapabilityRemovableStorageSid = 94 421 WinBuiltinRDSRemoteAccessServersSid = 95 422 WinBuiltinRDSEndpointServersSid = 96 423 WinBuiltinRDSManagementServersSid = 97 424 WinUserModeDriversSid = 98 425 WinBuiltinHyperVAdminsSid = 99 426 WinAccountCloneableControllersSid = 100 427 WinBuiltinAccessControlAssistanceOperatorsSid = 101 428 WinBuiltinRemoteManagementUsersSid = 102 429 WinAuthenticationAuthorityAssertedSid = 103 430 WinAuthenticationServiceAssertedSid = 104 431 WinLocalAccountSid = 105 432 WinLocalAccountAndAdministratorSid = 106 433 WinAccountProtectedUsersSid = 107 434 WinCapabilityAppointmentsSid = 108 435 WinCapabilityContactsSid = 109 436 WinAccountDefaultSystemManagedSid = 110 437 WinBuiltinDefaultSystemManagedGroupSid = 111 438 WinBuiltinStorageReplicaAdminsSid = 112 439 WinAccountKeyAdminsSid = 113 440 WinAccountEnterpriseKeyAdminsSid = 114 441 WinAuthenticationKeyTrustSid = 115 442 WinAuthenticationKeyPropertyMFASid = 116 443 WinAuthenticationKeyPropertyAttestationSid = 117 444 WinAuthenticationFreshKeyAuthSid = 118 445 WinBuiltinDeviceOwnersSid = 119 446) 447 448// Creates a SID for a well-known predefined alias, generally using the constants of the form 449// Win*Sid, for the local machine. 450func CreateWellKnownSid(sidType WELL_KNOWN_SID_TYPE) (*SID, error) { 451 return CreateWellKnownDomainSid(sidType, nil) 452} 453 454// Creates a SID for a well-known predefined alias, generally using the constants of the form 455// Win*Sid, for the domain specified by the domainSid parameter. 456func CreateWellKnownDomainSid(sidType WELL_KNOWN_SID_TYPE, domainSid *SID) (*SID, error) { 457 n := uint32(50) 458 for { 459 b := make([]byte, n) 460 sid := (*SID)(unsafe.Pointer(&b[0])) 461 err := createWellKnownSid(sidType, domainSid, sid, &n) 462 if err == nil { 463 return sid, nil 464 } 465 if err != ERROR_INSUFFICIENT_BUFFER { 466 return nil, err 467 } 468 if n <= uint32(len(b)) { 469 return nil, err 470 } 471 } 472} 473 474const ( 475 // do not reorder 476 TOKEN_ASSIGN_PRIMARY = 1 << iota 477 TOKEN_DUPLICATE 478 TOKEN_IMPERSONATE 479 TOKEN_QUERY 480 TOKEN_QUERY_SOURCE 481 TOKEN_ADJUST_PRIVILEGES 482 TOKEN_ADJUST_GROUPS 483 TOKEN_ADJUST_DEFAULT 484 TOKEN_ADJUST_SESSIONID 485 486 TOKEN_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED | 487 TOKEN_ASSIGN_PRIMARY | 488 TOKEN_DUPLICATE | 489 TOKEN_IMPERSONATE | 490 TOKEN_QUERY | 491 TOKEN_QUERY_SOURCE | 492 TOKEN_ADJUST_PRIVILEGES | 493 TOKEN_ADJUST_GROUPS | 494 TOKEN_ADJUST_DEFAULT | 495 TOKEN_ADJUST_SESSIONID 496 TOKEN_READ = STANDARD_RIGHTS_READ | TOKEN_QUERY 497 TOKEN_WRITE = STANDARD_RIGHTS_WRITE | 498 TOKEN_ADJUST_PRIVILEGES | 499 TOKEN_ADJUST_GROUPS | 500 TOKEN_ADJUST_DEFAULT 501 TOKEN_EXECUTE = STANDARD_RIGHTS_EXECUTE 502) 503 504const ( 505 // do not reorder 506 TokenUser = 1 + iota 507 TokenGroups 508 TokenPrivileges 509 TokenOwner 510 TokenPrimaryGroup 511 TokenDefaultDacl 512 TokenSource 513 TokenType 514 TokenImpersonationLevel 515 TokenStatistics 516 TokenRestrictedSids 517 TokenSessionId 518 TokenGroupsAndPrivileges 519 TokenSessionReference 520 TokenSandBoxInert 521 TokenAuditPolicy 522 TokenOrigin 523 TokenElevationType 524 TokenLinkedToken 525 TokenElevation 526 TokenHasRestrictions 527 TokenAccessInformation 528 TokenVirtualizationAllowed 529 TokenVirtualizationEnabled 530 TokenIntegrityLevel 531 TokenUIAccess 532 TokenMandatoryPolicy 533 TokenLogonSid 534 MaxTokenInfoClass 535) 536 537// Group attributes inside of Tokengroups.Groups[i].Attributes 538const ( 539 SE_GROUP_MANDATORY = 0x00000001 540 SE_GROUP_ENABLED_BY_DEFAULT = 0x00000002 541 SE_GROUP_ENABLED = 0x00000004 542 SE_GROUP_OWNER = 0x00000008 543 SE_GROUP_USE_FOR_DENY_ONLY = 0x00000010 544 SE_GROUP_INTEGRITY = 0x00000020 545 SE_GROUP_INTEGRITY_ENABLED = 0x00000040 546 SE_GROUP_LOGON_ID = 0xC0000000 547 SE_GROUP_RESOURCE = 0x20000000 548 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 549) 550 551// Privilege attributes 552const ( 553 SE_PRIVILEGE_ENABLED_BY_DEFAULT = 0x00000001 554 SE_PRIVILEGE_ENABLED = 0x00000002 555 SE_PRIVILEGE_REMOVED = 0x00000004 556 SE_PRIVILEGE_USED_FOR_ACCESS = 0x80000000 557 SE_PRIVILEGE_VALID_ATTRIBUTES = SE_PRIVILEGE_ENABLED_BY_DEFAULT | SE_PRIVILEGE_ENABLED | SE_PRIVILEGE_REMOVED | SE_PRIVILEGE_USED_FOR_ACCESS 558) 559 560// Token types 561const ( 562 TokenPrimary = 1 563 TokenImpersonation = 2 564) 565 566// Impersonation levels 567const ( 568 SecurityAnonymous = 0 569 SecurityIdentification = 1 570 SecurityImpersonation = 2 571 SecurityDelegation = 3 572) 573 574type LUID struct { 575 LowPart uint32 576 HighPart int32 577} 578 579type LUIDAndAttributes struct { 580 Luid LUID 581 Attributes uint32 582} 583 584type SIDAndAttributes struct { 585 Sid *SID 586 Attributes uint32 587} 588 589type Tokenuser struct { 590 User SIDAndAttributes 591} 592 593type Tokenprimarygroup struct { 594 PrimaryGroup *SID 595} 596 597type Tokengroups struct { 598 GroupCount uint32 599 Groups [1]SIDAndAttributes // Use AllGroups() for iterating. 600} 601 602// AllGroups returns a slice that can be used to iterate over the groups in g. 603func (g *Tokengroups) AllGroups() []SIDAndAttributes { 604 return (*[(1 << 28) - 1]SIDAndAttributes)(unsafe.Pointer(&g.Groups[0]))[:g.GroupCount:g.GroupCount] 605} 606 607type Tokenprivileges struct { 608 PrivilegeCount uint32 609 Privileges [1]LUIDAndAttributes // Use AllPrivileges() for iterating. 610} 611 612// AllPrivileges returns a slice that can be used to iterate over the privileges in p. 613func (p *Tokenprivileges) AllPrivileges() []LUIDAndAttributes { 614 return (*[(1 << 27) - 1]LUIDAndAttributes)(unsafe.Pointer(&p.Privileges[0]))[:p.PrivilegeCount:p.PrivilegeCount] 615} 616 617type Tokenmandatorylabel struct { 618 Label SIDAndAttributes 619} 620 621func (tml *Tokenmandatorylabel) Size() uint32 { 622 return uint32(unsafe.Sizeof(Tokenmandatorylabel{})) + GetLengthSid(tml.Label.Sid) 623} 624 625// Authorization Functions 626//sys checkTokenMembership(tokenHandle Token, sidToCheck *SID, isMember *int32) (err error) = advapi32.CheckTokenMembership 627//sys OpenProcessToken(process Handle, access uint32, token *Token) (err error) = advapi32.OpenProcessToken 628//sys OpenThreadToken(thread Handle, access uint32, openAsSelf bool, token *Token) (err error) = advapi32.OpenThreadToken 629//sys ImpersonateSelf(impersonationlevel uint32) (err error) = advapi32.ImpersonateSelf 630//sys RevertToSelf() (err error) = advapi32.RevertToSelf 631//sys SetThreadToken(thread *Handle, token Token) (err error) = advapi32.SetThreadToken 632//sys LookupPrivilegeValue(systemname *uint16, name *uint16, luid *LUID) (err error) = advapi32.LookupPrivilegeValueW 633//sys AdjustTokenPrivileges(token Token, disableAllPrivileges bool, newstate *Tokenprivileges, buflen uint32, prevstate *Tokenprivileges, returnlen *uint32) (err error) = advapi32.AdjustTokenPrivileges 634//sys AdjustTokenGroups(token Token, resetToDefault bool, newstate *Tokengroups, buflen uint32, prevstate *Tokengroups, returnlen *uint32) (err error) = advapi32.AdjustTokenGroups 635//sys GetTokenInformation(token Token, infoClass uint32, info *byte, infoLen uint32, returnedLen *uint32) (err error) = advapi32.GetTokenInformation 636//sys SetTokenInformation(token Token, infoClass uint32, info *byte, infoLen uint32) (err error) = advapi32.SetTokenInformation 637//sys DuplicateTokenEx(existingToken Token, desiredAccess uint32, tokenAttributes *SecurityAttributes, impersonationLevel uint32, tokenType uint32, newToken *Token) (err error) = advapi32.DuplicateTokenEx 638//sys GetUserProfileDirectory(t Token, dir *uint16, dirLen *uint32) (err error) = userenv.GetUserProfileDirectoryW 639//sys getSystemDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetSystemDirectoryW 640//sys getWindowsDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetWindowsDirectoryW 641//sys getSystemWindowsDirectory(dir *uint16, dirLen uint32) (len uint32, err error) = kernel32.GetSystemWindowsDirectoryW 642 643// An access token contains the security information for a logon session. 644// The system creates an access token when a user logs on, and every 645// process executed on behalf of the user has a copy of the token. 646// The token identifies the user, the user's groups, and the user's 647// privileges. The system uses the token to control access to securable 648// objects and to control the ability of the user to perform various 649// system-related operations on the local computer. 650type Token Handle 651 652// OpenCurrentProcessToken opens an access token associated with current 653// process with TOKEN_QUERY access. It is a real token that needs to be closed. 654// 655// Deprecated: Explicitly call OpenProcessToken(CurrentProcess(), ...) 656// with the desired access instead, or use GetCurrentProcessToken for a 657// TOKEN_QUERY token. 658func OpenCurrentProcessToken() (Token, error) { 659 var token Token 660 err := OpenProcessToken(CurrentProcess(), TOKEN_QUERY, &token) 661 return token, err 662} 663 664// GetCurrentProcessToken returns the access token associated with 665// the current process. It is a pseudo token that does not need 666// to be closed. 667func GetCurrentProcessToken() Token { 668 return Token(^uintptr(4 - 1)) 669} 670 671// GetCurrentThreadToken return the access token associated with 672// the current thread. It is a pseudo token that does not need 673// to be closed. 674func GetCurrentThreadToken() Token { 675 return Token(^uintptr(5 - 1)) 676} 677 678// GetCurrentThreadEffectiveToken returns the effective access token 679// associated with the current thread. It is a pseudo token that does 680// not need to be closed. 681func GetCurrentThreadEffectiveToken() Token { 682 return Token(^uintptr(6 - 1)) 683} 684 685// Close releases access to access token. 686func (t Token) Close() error { 687 return CloseHandle(Handle(t)) 688} 689 690// getInfo retrieves a specified type of information about an access token. 691func (t Token) getInfo(class uint32, initSize int) (unsafe.Pointer, error) { 692 n := uint32(initSize) 693 for { 694 b := make([]byte, n) 695 e := GetTokenInformation(t, class, &b[0], uint32(len(b)), &n) 696 if e == nil { 697 return unsafe.Pointer(&b[0]), nil 698 } 699 if e != ERROR_INSUFFICIENT_BUFFER { 700 return nil, e 701 } 702 if n <= uint32(len(b)) { 703 return nil, e 704 } 705 } 706} 707 708// GetTokenUser retrieves access token t user account information. 709func (t Token) GetTokenUser() (*Tokenuser, error) { 710 i, e := t.getInfo(TokenUser, 50) 711 if e != nil { 712 return nil, e 713 } 714 return (*Tokenuser)(i), nil 715} 716 717// GetTokenGroups retrieves group accounts associated with access token t. 718func (t Token) GetTokenGroups() (*Tokengroups, error) { 719 i, e := t.getInfo(TokenGroups, 50) 720 if e != nil { 721 return nil, e 722 } 723 return (*Tokengroups)(i), nil 724} 725 726// GetTokenPrimaryGroup retrieves access token t primary group information. 727// A pointer to a SID structure representing a group that will become 728// the primary group of any objects created by a process using this access token. 729func (t Token) GetTokenPrimaryGroup() (*Tokenprimarygroup, error) { 730 i, e := t.getInfo(TokenPrimaryGroup, 50) 731 if e != nil { 732 return nil, e 733 } 734 return (*Tokenprimarygroup)(i), nil 735} 736 737// GetUserProfileDirectory retrieves path to the 738// root directory of the access token t user's profile. 739func (t Token) GetUserProfileDirectory() (string, error) { 740 n := uint32(100) 741 for { 742 b := make([]uint16, n) 743 e := GetUserProfileDirectory(t, &b[0], &n) 744 if e == nil { 745 return UTF16ToString(b), nil 746 } 747 if e != ERROR_INSUFFICIENT_BUFFER { 748 return "", e 749 } 750 if n <= uint32(len(b)) { 751 return "", e 752 } 753 } 754} 755 756// IsElevated returns whether the current token is elevated from a UAC perspective. 757func (token Token) IsElevated() bool { 758 var isElevated uint32 759 var outLen uint32 760 err := GetTokenInformation(token, TokenElevation, (*byte)(unsafe.Pointer(&isElevated)), uint32(unsafe.Sizeof(isElevated)), &outLen) 761 if err != nil { 762 return false 763 } 764 return outLen == uint32(unsafe.Sizeof(isElevated)) && isElevated != 0 765} 766 767// GetLinkedToken returns the linked token, which may be an elevated UAC token. 768func (token Token) GetLinkedToken() (Token, error) { 769 var linkedToken Token 770 var outLen uint32 771 err := GetTokenInformation(token, TokenLinkedToken, (*byte)(unsafe.Pointer(&linkedToken)), uint32(unsafe.Sizeof(linkedToken)), &outLen) 772 if err != nil { 773 return Token(0), err 774 } 775 return linkedToken, nil 776} 777 778// GetSystemDirectory retrieves the path to current location of the system 779// directory, which is typically, though not always, `C:\Windows\System32`. 780func GetSystemDirectory() (string, error) { 781 n := uint32(MAX_PATH) 782 for { 783 b := make([]uint16, n) 784 l, e := getSystemDirectory(&b[0], n) 785 if e != nil { 786 return "", e 787 } 788 if l <= n { 789 return UTF16ToString(b[:l]), nil 790 } 791 n = l 792 } 793} 794 795// GetWindowsDirectory retrieves the path to current location of the Windows 796// directory, which is typically, though not always, `C:\Windows`. This may 797// be a private user directory in the case that the application is running 798// under a terminal server. 799func GetWindowsDirectory() (string, error) { 800 n := uint32(MAX_PATH) 801 for { 802 b := make([]uint16, n) 803 l, e := getWindowsDirectory(&b[0], n) 804 if e != nil { 805 return "", e 806 } 807 if l <= n { 808 return UTF16ToString(b[:l]), nil 809 } 810 n = l 811 } 812} 813 814// GetSystemWindowsDirectory retrieves the path to current location of the 815// Windows directory, which is typically, though not always, `C:\Windows`. 816func GetSystemWindowsDirectory() (string, error) { 817 n := uint32(MAX_PATH) 818 for { 819 b := make([]uint16, n) 820 l, e := getSystemWindowsDirectory(&b[0], n) 821 if e != nil { 822 return "", e 823 } 824 if l <= n { 825 return UTF16ToString(b[:l]), nil 826 } 827 n = l 828 } 829} 830 831// IsMember reports whether the access token t is a member of the provided SID. 832func (t Token) IsMember(sid *SID) (bool, error) { 833 var b int32 834 if e := checkTokenMembership(t, sid, &b); e != nil { 835 return false, e 836 } 837 return b != 0, nil 838} 839 840const ( 841 WTS_CONSOLE_CONNECT = 0x1 842 WTS_CONSOLE_DISCONNECT = 0x2 843 WTS_REMOTE_CONNECT = 0x3 844 WTS_REMOTE_DISCONNECT = 0x4 845 WTS_SESSION_LOGON = 0x5 846 WTS_SESSION_LOGOFF = 0x6 847 WTS_SESSION_LOCK = 0x7 848 WTS_SESSION_UNLOCK = 0x8 849 WTS_SESSION_REMOTE_CONTROL = 0x9 850 WTS_SESSION_CREATE = 0xa 851 WTS_SESSION_TERMINATE = 0xb 852) 853 854const ( 855 WTSActive = 0 856 WTSConnected = 1 857 WTSConnectQuery = 2 858 WTSShadow = 3 859 WTSDisconnected = 4 860 WTSIdle = 5 861 WTSListen = 6 862 WTSReset = 7 863 WTSDown = 8 864 WTSInit = 9 865) 866 867type WTSSESSION_NOTIFICATION struct { 868 Size uint32 869 SessionID uint32 870} 871 872type WTS_SESSION_INFO struct { 873 SessionID uint32 874 WindowStationName *uint16 875 State uint32 876} 877 878//sys WTSQueryUserToken(session uint32, token *Token) (err error) = wtsapi32.WTSQueryUserToken 879//sys WTSEnumerateSessions(handle Handle, reserved uint32, version uint32, sessions **WTS_SESSION_INFO, count *uint32) (err error) = wtsapi32.WTSEnumerateSessionsW 880//sys WTSFreeMemory(ptr uintptr) = wtsapi32.WTSFreeMemory 881 882type ACL struct { 883 aclRevision byte 884 sbz1 byte 885 aclSize uint16 886 aceCount uint16 887 sbz2 uint16 888} 889 890type SECURITY_DESCRIPTOR struct { 891 revision byte 892 sbz1 byte 893 control SECURITY_DESCRIPTOR_CONTROL 894 owner *SID 895 group *SID 896 sacl *ACL 897 dacl *ACL 898} 899 900type SecurityAttributes struct { 901 Length uint32 902 SecurityDescriptor *SECURITY_DESCRIPTOR 903 InheritHandle uint32 904} 905 906type SE_OBJECT_TYPE uint32 907 908// Constants for type SE_OBJECT_TYPE 909const ( 910 SE_UNKNOWN_OBJECT_TYPE = 0 911 SE_FILE_OBJECT = 1 912 SE_SERVICE = 2 913 SE_PRINTER = 3 914 SE_REGISTRY_KEY = 4 915 SE_LMSHARE = 5 916 SE_KERNEL_OBJECT = 6 917 SE_WINDOW_OBJECT = 7 918 SE_DS_OBJECT = 8 919 SE_DS_OBJECT_ALL = 9 920 SE_PROVIDER_DEFINED_OBJECT = 10 921 SE_WMIGUID_OBJECT = 11 922 SE_REGISTRY_WOW64_32KEY = 12 923 SE_REGISTRY_WOW64_64KEY = 13 924) 925 926type SECURITY_INFORMATION uint32 927 928// Constants for type SECURITY_INFORMATION 929const ( 930 OWNER_SECURITY_INFORMATION = 0x00000001 931 GROUP_SECURITY_INFORMATION = 0x00000002 932 DACL_SECURITY_INFORMATION = 0x00000004 933 SACL_SECURITY_INFORMATION = 0x00000008 934 LABEL_SECURITY_INFORMATION = 0x00000010 935 ATTRIBUTE_SECURITY_INFORMATION = 0x00000020 936 SCOPE_SECURITY_INFORMATION = 0x00000040 937 BACKUP_SECURITY_INFORMATION = 0x00010000 938 PROTECTED_DACL_SECURITY_INFORMATION = 0x80000000 939 PROTECTED_SACL_SECURITY_INFORMATION = 0x40000000 940 UNPROTECTED_DACL_SECURITY_INFORMATION = 0x20000000 941 UNPROTECTED_SACL_SECURITY_INFORMATION = 0x10000000 942) 943 944type SECURITY_DESCRIPTOR_CONTROL uint16 945 946// Constants for type SECURITY_DESCRIPTOR_CONTROL 947const ( 948 SE_OWNER_DEFAULTED = 0x0001 949 SE_GROUP_DEFAULTED = 0x0002 950 SE_DACL_PRESENT = 0x0004 951 SE_DACL_DEFAULTED = 0x0008 952 SE_SACL_PRESENT = 0x0010 953 SE_SACL_DEFAULTED = 0x0020 954 SE_DACL_AUTO_INHERIT_REQ = 0x0100 955 SE_SACL_AUTO_INHERIT_REQ = 0x0200 956 SE_DACL_AUTO_INHERITED = 0x0400 957 SE_SACL_AUTO_INHERITED = 0x0800 958 SE_DACL_PROTECTED = 0x1000 959 SE_SACL_PROTECTED = 0x2000 960 SE_RM_CONTROL_VALID = 0x4000 961 SE_SELF_RELATIVE = 0x8000 962) 963 964type ACCESS_MASK uint32 965 966// Constants for type ACCESS_MASK 967const ( 968 DELETE = 0x00010000 969 READ_CONTROL = 0x00020000 970 WRITE_DAC = 0x00040000 971 WRITE_OWNER = 0x00080000 972 SYNCHRONIZE = 0x00100000 973 STANDARD_RIGHTS_REQUIRED = 0x000F0000 974 STANDARD_RIGHTS_READ = READ_CONTROL 975 STANDARD_RIGHTS_WRITE = READ_CONTROL 976 STANDARD_RIGHTS_EXECUTE = READ_CONTROL 977 STANDARD_RIGHTS_ALL = 0x001F0000 978 SPECIFIC_RIGHTS_ALL = 0x0000FFFF 979 ACCESS_SYSTEM_SECURITY = 0x01000000 980 MAXIMUM_ALLOWED = 0x02000000 981 GENERIC_READ = 0x80000000 982 GENERIC_WRITE = 0x40000000 983 GENERIC_EXECUTE = 0x20000000 984 GENERIC_ALL = 0x10000000 985) 986 987type ACCESS_MODE uint32 988 989// Constants for type ACCESS_MODE 990const ( 991 NOT_USED_ACCESS = 0 992 GRANT_ACCESS = 1 993 SET_ACCESS = 2 994 DENY_ACCESS = 3 995 REVOKE_ACCESS = 4 996 SET_AUDIT_SUCCESS = 5 997 SET_AUDIT_FAILURE = 6 998) 999 1000// Constants for AceFlags and Inheritance fields 1001const ( 1002 NO_INHERITANCE = 0x0 1003 SUB_OBJECTS_ONLY_INHERIT = 0x1 1004 SUB_CONTAINERS_ONLY_INHERIT = 0x2 1005 SUB_CONTAINERS_AND_OBJECTS_INHERIT = 0x3 1006 INHERIT_NO_PROPAGATE = 0x4 1007 INHERIT_ONLY = 0x8 1008 INHERITED_ACCESS_ENTRY = 0x10 1009 INHERITED_PARENT = 0x10000000 1010 INHERITED_GRANDPARENT = 0x20000000 1011 OBJECT_INHERIT_ACE = 0x1 1012 CONTAINER_INHERIT_ACE = 0x2 1013 NO_PROPAGATE_INHERIT_ACE = 0x4 1014 INHERIT_ONLY_ACE = 0x8 1015 INHERITED_ACE = 0x10 1016 VALID_INHERIT_FLAGS = 0x1F 1017) 1018 1019type MULTIPLE_TRUSTEE_OPERATION uint32 1020 1021// Constants for MULTIPLE_TRUSTEE_OPERATION 1022const ( 1023 NO_MULTIPLE_TRUSTEE = 0 1024 TRUSTEE_IS_IMPERSONATE = 1 1025) 1026 1027type TRUSTEE_FORM uint32 1028 1029// Constants for TRUSTEE_FORM 1030const ( 1031 TRUSTEE_IS_SID = 0 1032 TRUSTEE_IS_NAME = 1 1033 TRUSTEE_BAD_FORM = 2 1034 TRUSTEE_IS_OBJECTS_AND_SID = 3 1035 TRUSTEE_IS_OBJECTS_AND_NAME = 4 1036) 1037 1038type TRUSTEE_TYPE uint32 1039 1040// Constants for TRUSTEE_TYPE 1041const ( 1042 TRUSTEE_IS_UNKNOWN = 0 1043 TRUSTEE_IS_USER = 1 1044 TRUSTEE_IS_GROUP = 2 1045 TRUSTEE_IS_DOMAIN = 3 1046 TRUSTEE_IS_ALIAS = 4 1047 TRUSTEE_IS_WELL_KNOWN_GROUP = 5 1048 TRUSTEE_IS_DELETED = 6 1049 TRUSTEE_IS_INVALID = 7 1050 TRUSTEE_IS_COMPUTER = 8 1051) 1052 1053// Constants for ObjectsPresent field 1054const ( 1055 ACE_OBJECT_TYPE_PRESENT = 0x1 1056 ACE_INHERITED_OBJECT_TYPE_PRESENT = 0x2 1057) 1058 1059type EXPLICIT_ACCESS struct { 1060 AccessPermissions ACCESS_MASK 1061 AccessMode ACCESS_MODE 1062 Inheritance uint32 1063 Trustee TRUSTEE 1064} 1065 1066// This type is the union inside of TRUSTEE and must be created using one of the TrusteeValueFrom* functions. 1067type TrusteeValue uintptr 1068 1069func TrusteeValueFromString(str string) TrusteeValue { 1070 return TrusteeValue(unsafe.Pointer(StringToUTF16Ptr(str))) 1071} 1072func TrusteeValueFromSID(sid *SID) TrusteeValue { 1073 return TrusteeValue(unsafe.Pointer(sid)) 1074} 1075func TrusteeValueFromObjectsAndSid(objectsAndSid *OBJECTS_AND_SID) TrusteeValue { 1076 return TrusteeValue(unsafe.Pointer(objectsAndSid)) 1077} 1078func TrusteeValueFromObjectsAndName(objectsAndName *OBJECTS_AND_NAME) TrusteeValue { 1079 return TrusteeValue(unsafe.Pointer(objectsAndName)) 1080} 1081 1082type TRUSTEE struct { 1083 MultipleTrustee *TRUSTEE 1084 MultipleTrusteeOperation MULTIPLE_TRUSTEE_OPERATION 1085 TrusteeForm TRUSTEE_FORM 1086 TrusteeType TRUSTEE_TYPE 1087 TrusteeValue TrusteeValue 1088} 1089 1090type OBJECTS_AND_SID struct { 1091 ObjectsPresent uint32 1092 ObjectTypeGuid GUID 1093 InheritedObjectTypeGuid GUID 1094 Sid *SID 1095} 1096 1097type OBJECTS_AND_NAME struct { 1098 ObjectsPresent uint32 1099 ObjectType SE_OBJECT_TYPE 1100 ObjectTypeName *uint16 1101 InheritedObjectTypeName *uint16 1102 Name *uint16 1103} 1104 1105//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 1106//sys SetSecurityInfo(handle Handle, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner *SID, group *SID, dacl *ACL, sacl *ACL) = advapi32.SetSecurityInfo 1107//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 1108//sys SetNamedSecurityInfo(objectName string, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION, owner *SID, group *SID, dacl *ACL, sacl *ACL) (ret error) = advapi32.SetNamedSecurityInfoW 1109 1110//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 1111//sys initializeSecurityDescriptor(absoluteSD *SECURITY_DESCRIPTOR, revision uint32) (err error) = advapi32.InitializeSecurityDescriptor 1112 1113//sys getSecurityDescriptorControl(sd *SECURITY_DESCRIPTOR, control *SECURITY_DESCRIPTOR_CONTROL, revision *uint32) (err error) = advapi32.GetSecurityDescriptorControl 1114//sys getSecurityDescriptorDacl(sd *SECURITY_DESCRIPTOR, daclPresent *bool, dacl **ACL, daclDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorDacl 1115//sys getSecurityDescriptorSacl(sd *SECURITY_DESCRIPTOR, saclPresent *bool, sacl **ACL, saclDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorSacl 1116//sys getSecurityDescriptorOwner(sd *SECURITY_DESCRIPTOR, owner **SID, ownerDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorOwner 1117//sys getSecurityDescriptorGroup(sd *SECURITY_DESCRIPTOR, group **SID, groupDefaulted *bool) (err error) = advapi32.GetSecurityDescriptorGroup 1118//sys getSecurityDescriptorLength(sd *SECURITY_DESCRIPTOR) (len uint32) = advapi32.GetSecurityDescriptorLength 1119//sys getSecurityDescriptorRMControl(sd *SECURITY_DESCRIPTOR, rmControl *uint8) (ret error) [failretval!=0] = advapi32.GetSecurityDescriptorRMControl 1120//sys isValidSecurityDescriptor(sd *SECURITY_DESCRIPTOR) (isValid bool) = advapi32.IsValidSecurityDescriptor 1121 1122//sys setSecurityDescriptorControl(sd *SECURITY_DESCRIPTOR, controlBitsOfInterest SECURITY_DESCRIPTOR_CONTROL, controlBitsToSet SECURITY_DESCRIPTOR_CONTROL) (err error) = advapi32.SetSecurityDescriptorControl 1123//sys setSecurityDescriptorDacl(sd *SECURITY_DESCRIPTOR, daclPresent bool, dacl *ACL, daclDefaulted bool) (err error) = advapi32.SetSecurityDescriptorDacl 1124//sys setSecurityDescriptorSacl(sd *SECURITY_DESCRIPTOR, saclPresent bool, sacl *ACL, saclDefaulted bool) (err error) = advapi32.SetSecurityDescriptorSacl 1125//sys setSecurityDescriptorOwner(sd *SECURITY_DESCRIPTOR, owner *SID, ownerDefaulted bool) (err error) = advapi32.SetSecurityDescriptorOwner 1126//sys setSecurityDescriptorGroup(sd *SECURITY_DESCRIPTOR, group *SID, groupDefaulted bool) (err error) = advapi32.SetSecurityDescriptorGroup 1127//sys setSecurityDescriptorRMControl(sd *SECURITY_DESCRIPTOR, rmControl *uint8) = advapi32.SetSecurityDescriptorRMControl 1128 1129//sys convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd **SECURITY_DESCRIPTOR, size *uint32) (err error) = advapi32.ConvertStringSecurityDescriptorToSecurityDescriptorW 1130//sys convertSecurityDescriptorToStringSecurityDescriptor(sd *SECURITY_DESCRIPTOR, revision uint32, securityInformation SECURITY_INFORMATION, str **uint16, strLen *uint32) (err error) = advapi32.ConvertSecurityDescriptorToStringSecurityDescriptorW 1131 1132//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 1133//sys makeSelfRelativeSD(absoluteSD *SECURITY_DESCRIPTOR, selfRelativeSD *SECURITY_DESCRIPTOR, selfRelativeSDSize *uint32) (err error) = advapi32.MakeSelfRelativeSD 1134 1135//sys setEntriesInAcl(countExplicitEntries uint32, explicitEntries *EXPLICIT_ACCESS, oldACL *ACL, newACL **ACL) (ret error) = advapi32.SetEntriesInAclW 1136 1137// Control returns the security descriptor control bits. 1138func (sd *SECURITY_DESCRIPTOR) Control() (control SECURITY_DESCRIPTOR_CONTROL, revision uint32, err error) { 1139 err = getSecurityDescriptorControl(sd, &control, &revision) 1140 return 1141} 1142 1143// SetControl sets the security descriptor control bits. 1144func (sd *SECURITY_DESCRIPTOR) SetControl(controlBitsOfInterest SECURITY_DESCRIPTOR_CONTROL, controlBitsToSet SECURITY_DESCRIPTOR_CONTROL) error { 1145 return setSecurityDescriptorControl(sd, controlBitsOfInterest, controlBitsToSet) 1146} 1147 1148// RMControl returns the security descriptor resource manager control bits. 1149func (sd *SECURITY_DESCRIPTOR) RMControl() (control uint8, err error) { 1150 err = getSecurityDescriptorRMControl(sd, &control) 1151 return 1152} 1153 1154// SetRMControl sets the security descriptor resource manager control bits. 1155func (sd *SECURITY_DESCRIPTOR) SetRMControl(rmControl uint8) { 1156 setSecurityDescriptorRMControl(sd, &rmControl) 1157} 1158 1159// DACL returns the security descriptor DACL and whether it was defaulted. The dacl return value may be nil 1160// if a DACL exists but is an "empty DACL", meaning fully permissive. If the DACL does not exist, err returns 1161// ERROR_OBJECT_NOT_FOUND. 1162func (sd *SECURITY_DESCRIPTOR) DACL() (dacl *ACL, defaulted bool, err error) { 1163 var present bool 1164 err = getSecurityDescriptorDacl(sd, &present, &dacl, &defaulted) 1165 if !present { 1166 err = ERROR_OBJECT_NOT_FOUND 1167 } 1168 return 1169} 1170 1171// SetDACL sets the absolute security descriptor DACL. 1172func (absoluteSD *SECURITY_DESCRIPTOR) SetDACL(dacl *ACL, present, defaulted bool) error { 1173 return setSecurityDescriptorDacl(absoluteSD, present, dacl, defaulted) 1174} 1175 1176// SACL returns the security descriptor SACL and whether it was defaulted. The sacl return value may be nil 1177// if a SACL exists but is an "empty SACL", meaning fully permissive. If the SACL does not exist, err returns 1178// ERROR_OBJECT_NOT_FOUND. 1179func (sd *SECURITY_DESCRIPTOR) SACL() (sacl *ACL, defaulted bool, err error) { 1180 var present bool 1181 err = getSecurityDescriptorSacl(sd, &present, &sacl, &defaulted) 1182 if !present { 1183 err = ERROR_OBJECT_NOT_FOUND 1184 } 1185 return 1186} 1187 1188// SetSACL sets the absolute security descriptor SACL. 1189func (absoluteSD *SECURITY_DESCRIPTOR) SetSACL(sacl *ACL, present, defaulted bool) error { 1190 return setSecurityDescriptorSacl(absoluteSD, present, sacl, defaulted) 1191} 1192 1193// Owner returns the security descriptor owner and whether it was defaulted. 1194func (sd *SECURITY_DESCRIPTOR) Owner() (owner *SID, defaulted bool, err error) { 1195 err = getSecurityDescriptorOwner(sd, &owner, &defaulted) 1196 return 1197} 1198 1199// SetOwner sets the absolute security descriptor owner. 1200func (absoluteSD *SECURITY_DESCRIPTOR) SetOwner(owner *SID, defaulted bool) error { 1201 return setSecurityDescriptorOwner(absoluteSD, owner, defaulted) 1202} 1203 1204// Group returns the security descriptor group and whether it was defaulted. 1205func (sd *SECURITY_DESCRIPTOR) Group() (group *SID, defaulted bool, err error) { 1206 err = getSecurityDescriptorGroup(sd, &group, &defaulted) 1207 return 1208} 1209 1210// SetGroup sets the absolute security descriptor owner. 1211func (absoluteSD *SECURITY_DESCRIPTOR) SetGroup(group *SID, defaulted bool) error { 1212 return setSecurityDescriptorGroup(absoluteSD, group, defaulted) 1213} 1214 1215// Length returns the length of the security descriptor. 1216func (sd *SECURITY_DESCRIPTOR) Length() uint32 { 1217 return getSecurityDescriptorLength(sd) 1218} 1219 1220// IsValid returns whether the security descriptor is valid. 1221func (sd *SECURITY_DESCRIPTOR) IsValid() bool { 1222 return isValidSecurityDescriptor(sd) 1223} 1224 1225// String returns the SDDL form of the security descriptor, with a function signature that can be 1226// used with %v formatting directives. 1227func (sd *SECURITY_DESCRIPTOR) String() string { 1228 var sddl *uint16 1229 err := convertSecurityDescriptorToStringSecurityDescriptor(sd, 1, 0xff, &sddl, nil) 1230 if err != nil { 1231 return "" 1232 } 1233 defer LocalFree(Handle(unsafe.Pointer(sddl))) 1234 return UTF16PtrToString(sddl) 1235} 1236 1237// ToAbsolute converts a self-relative security descriptor into an absolute one. 1238func (selfRelativeSD *SECURITY_DESCRIPTOR) ToAbsolute() (absoluteSD *SECURITY_DESCRIPTOR, err error) { 1239 control, _, err := selfRelativeSD.Control() 1240 if err != nil { 1241 return 1242 } 1243 if control&SE_SELF_RELATIVE == 0 { 1244 err = ERROR_INVALID_PARAMETER 1245 return 1246 } 1247 var absoluteSDSize, daclSize, saclSize, ownerSize, groupSize uint32 1248 err = makeAbsoluteSD(selfRelativeSD, nil, &absoluteSDSize, 1249 nil, &daclSize, nil, &saclSize, nil, &ownerSize, nil, &groupSize) 1250 switch err { 1251 case ERROR_INSUFFICIENT_BUFFER: 1252 case nil: 1253 // makeAbsoluteSD is expected to fail, but it succeeds. 1254 return nil, ERROR_INTERNAL_ERROR 1255 default: 1256 return nil, err 1257 } 1258 if absoluteSDSize > 0 { 1259 absoluteSD = (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&make([]byte, absoluteSDSize)[0])) 1260 } 1261 var ( 1262 dacl *ACL 1263 sacl *ACL 1264 owner *SID 1265 group *SID 1266 ) 1267 if daclSize > 0 { 1268 dacl = (*ACL)(unsafe.Pointer(&make([]byte, daclSize)[0])) 1269 } 1270 if saclSize > 0 { 1271 sacl = (*ACL)(unsafe.Pointer(&make([]byte, saclSize)[0])) 1272 } 1273 if ownerSize > 0 { 1274 owner = (*SID)(unsafe.Pointer(&make([]byte, ownerSize)[0])) 1275 } 1276 if groupSize > 0 { 1277 group = (*SID)(unsafe.Pointer(&make([]byte, groupSize)[0])) 1278 } 1279 err = makeAbsoluteSD(selfRelativeSD, absoluteSD, &absoluteSDSize, 1280 dacl, &daclSize, sacl, &saclSize, owner, &ownerSize, group, &groupSize) 1281 return 1282} 1283 1284// ToSelfRelative converts an absolute security descriptor into a self-relative one. 1285func (absoluteSD *SECURITY_DESCRIPTOR) ToSelfRelative() (selfRelativeSD *SECURITY_DESCRIPTOR, err error) { 1286 control, _, err := absoluteSD.Control() 1287 if err != nil { 1288 return 1289 } 1290 if control&SE_SELF_RELATIVE != 0 { 1291 err = ERROR_INVALID_PARAMETER 1292 return 1293 } 1294 var selfRelativeSDSize uint32 1295 err = makeSelfRelativeSD(absoluteSD, nil, &selfRelativeSDSize) 1296 switch err { 1297 case ERROR_INSUFFICIENT_BUFFER: 1298 case nil: 1299 // makeSelfRelativeSD is expected to fail, but it succeeds. 1300 return nil, ERROR_INTERNAL_ERROR 1301 default: 1302 return nil, err 1303 } 1304 if selfRelativeSDSize > 0 { 1305 selfRelativeSD = (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&make([]byte, selfRelativeSDSize)[0])) 1306 } 1307 err = makeSelfRelativeSD(absoluteSD, selfRelativeSD, &selfRelativeSDSize) 1308 return 1309} 1310 1311func (selfRelativeSD *SECURITY_DESCRIPTOR) copySelfRelativeSecurityDescriptor() *SECURITY_DESCRIPTOR { 1312 sdLen := (int)(selfRelativeSD.Length()) 1313 1314 var src []byte 1315 h := (*unsafeheader.Slice)(unsafe.Pointer(&src)) 1316 h.Data = unsafe.Pointer(selfRelativeSD) 1317 h.Len = sdLen 1318 h.Cap = sdLen 1319 1320 dst := make([]byte, sdLen) 1321 copy(dst, src) 1322 return (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&dst[0])) 1323} 1324 1325// SecurityDescriptorFromString converts an SDDL string describing a security descriptor into a 1326// self-relative security descriptor object allocated on the Go heap. 1327func SecurityDescriptorFromString(sddl string) (sd *SECURITY_DESCRIPTOR, err error) { 1328 var winHeapSD *SECURITY_DESCRIPTOR 1329 err = convertStringSecurityDescriptorToSecurityDescriptor(sddl, 1, &winHeapSD, nil) 1330 if err != nil { 1331 return 1332 } 1333 defer LocalFree(Handle(unsafe.Pointer(winHeapSD))) 1334 return winHeapSD.copySelfRelativeSecurityDescriptor(), nil 1335} 1336 1337// GetSecurityInfo queries the security information for a given handle and returns the self-relative security 1338// descriptor result on the Go heap. 1339func GetSecurityInfo(handle Handle, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION) (sd *SECURITY_DESCRIPTOR, err error) { 1340 var winHeapSD *SECURITY_DESCRIPTOR 1341 err = getSecurityInfo(handle, objectType, securityInformation, nil, nil, nil, nil, &winHeapSD) 1342 if err != nil { 1343 return 1344 } 1345 defer LocalFree(Handle(unsafe.Pointer(winHeapSD))) 1346 return winHeapSD.copySelfRelativeSecurityDescriptor(), nil 1347} 1348 1349// GetNamedSecurityInfo queries the security information for a given named object and returns the self-relative security 1350// descriptor result on the Go heap. 1351func GetNamedSecurityInfo(objectName string, objectType SE_OBJECT_TYPE, securityInformation SECURITY_INFORMATION) (sd *SECURITY_DESCRIPTOR, err error) { 1352 var winHeapSD *SECURITY_DESCRIPTOR 1353 err = getNamedSecurityInfo(objectName, objectType, securityInformation, nil, nil, nil, nil, &winHeapSD) 1354 if err != nil { 1355 return 1356 } 1357 defer LocalFree(Handle(unsafe.Pointer(winHeapSD))) 1358 return winHeapSD.copySelfRelativeSecurityDescriptor(), nil 1359} 1360 1361// BuildSecurityDescriptor makes a new security descriptor using the input trustees, explicit access lists, and 1362// prior security descriptor to be merged, any of which can be nil, returning the self-relative security descriptor 1363// result on the Go heap. 1364func BuildSecurityDescriptor(owner *TRUSTEE, group *TRUSTEE, accessEntries []EXPLICIT_ACCESS, auditEntries []EXPLICIT_ACCESS, mergedSecurityDescriptor *SECURITY_DESCRIPTOR) (sd *SECURITY_DESCRIPTOR, err error) { 1365 var winHeapSD *SECURITY_DESCRIPTOR 1366 var winHeapSDSize uint32 1367 var firstAccessEntry *EXPLICIT_ACCESS 1368 if len(accessEntries) > 0 { 1369 firstAccessEntry = &accessEntries[0] 1370 } 1371 var firstAuditEntry *EXPLICIT_ACCESS 1372 if len(auditEntries) > 0 { 1373 firstAuditEntry = &auditEntries[0] 1374 } 1375 err = buildSecurityDescriptor(owner, group, uint32(len(accessEntries)), firstAccessEntry, uint32(len(auditEntries)), firstAuditEntry, mergedSecurityDescriptor, &winHeapSDSize, &winHeapSD) 1376 if err != nil { 1377 return 1378 } 1379 defer LocalFree(Handle(unsafe.Pointer(winHeapSD))) 1380 return winHeapSD.copySelfRelativeSecurityDescriptor(), nil 1381} 1382 1383// NewSecurityDescriptor creates and initializes a new absolute security descriptor. 1384func NewSecurityDescriptor() (absoluteSD *SECURITY_DESCRIPTOR, err error) { 1385 absoluteSD = &SECURITY_DESCRIPTOR{} 1386 err = initializeSecurityDescriptor(absoluteSD, 1) 1387 return 1388} 1389 1390// ACLFromEntries returns a new ACL on the Go heap containing a list of explicit entries as well as those of another ACL. 1391// Both explicitEntries and mergedACL are optional and can be nil. 1392func ACLFromEntries(explicitEntries []EXPLICIT_ACCESS, mergedACL *ACL) (acl *ACL, err error) { 1393 var firstExplicitEntry *EXPLICIT_ACCESS 1394 if len(explicitEntries) > 0 { 1395 firstExplicitEntry = &explicitEntries[0] 1396 } 1397 var winHeapACL *ACL 1398 err = setEntriesInAcl(uint32(len(explicitEntries)), firstExplicitEntry, mergedACL, &winHeapACL) 1399 if err != nil { 1400 return 1401 } 1402 defer LocalFree(Handle(unsafe.Pointer(winHeapACL))) 1403 aclBytes := make([]byte, winHeapACL.aclSize) 1404 copy(aclBytes, (*[(1 << 31) - 1]byte)(unsafe.Pointer(winHeapACL))[:len(aclBytes):len(aclBytes)]) 1405 return (*ACL)(unsafe.Pointer(&aclBytes[0])), nil 1406} 1407