diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/security_windows.go')
| -rw-r--r-- | vendor/golang.org/x/sys/windows/security_windows.go | 872 |
1 files changed, 833 insertions, 39 deletions
diff --git a/vendor/golang.org/x/sys/windows/security_windows.go b/vendor/golang.org/x/sys/windows/security_windows.go index da06406..111c10d 100644 --- a/vendor/golang.org/x/sys/windows/security_windows.go +++ b/vendor/golang.org/x/sys/windows/security_windows.go @@ -7,14 +7,8 @@ package windows import ( "syscall" "unsafe" -) -const ( - STANDARD_RIGHTS_REQUIRED = 0xf0000 - STANDARD_RIGHTS_READ = 0x20000 - STANDARD_RIGHTS_WRITE = 0x20000 - STANDARD_RIGHTS_EXECUTE = 0x20000 - STANDARD_RIGHTS_ALL = 0x1F0000 + "golang.org/x/sys/internal/unsafeheader" ) const ( @@ -170,15 +164,20 @@ const ( //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. +// SID into a valid, functional SID. func StringToSid(s string) (*SID, error) { var sid *SID p, e := UTF16PtrFromString(s) @@ -193,7 +192,7 @@ func StringToSid(s string) (*SID, error) { return sid.Copy() } -// LookupSID retrieves a security identifier sid for the account +// 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) { @@ -230,24 +229,23 @@ func LookupSID(system, account string) (sid *SID, domain string, accType uint32, } } -// String converts sid to a string format -// suitable for display, storage, or transmission. -func (sid *SID) String() (string, error) { +// 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 "", e + return "" } defer LocalFree((Handle)(unsafe.Pointer(s))) - return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:]), nil + return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:]) } -// Len returns the length, in bytes, of a valid security identifier sid. +// 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. +// 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])) @@ -258,8 +256,42 @@ func (sid *SID) Copy() (*SID, error) { return sid2, nil } -// LookupAccount retrieves the name of the account for this sid -// and the name of the first domain on which this sid is found. +// 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 @@ -287,7 +319,7 @@ func (sid *SID) LookupAccount(system string) (account, domain string, accType ui } } -// Various types of pre-specified sids that can be synthesized at runtime. +// Various types of pre-specified SIDs that can be synthesized and compared at runtime. type WELL_KNOWN_SID_TYPE uint32 const ( @@ -413,13 +445,13 @@ const ( WinBuiltinDeviceOwnersSid = 119 ) -// Creates a sid for a well-known predefined alias, generally using the constants of the form +// 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 +// 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) @@ -502,6 +534,53 @@ const ( 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 @@ -517,15 +596,50 @@ type Tokenprimarygroup struct { type Tokengroups struct { GroupCount uint32 - Groups [1]SIDAndAttributes + 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(h Handle, access uint32, token *Token) (err error) = advapi32.OpenProcessToken -//sys GetTokenInformation(t Token, infoClass uint32, info *byte, infoLen uint32, returnedLen *uint32) (err error) = advapi32.GetTokenInformation +//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 @@ -536,19 +650,37 @@ type Tokengroups struct { // system-related operations on the local computer. type Token Handle -// OpenCurrentProcessToken opens the access token -// associated with current process. +// 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) { - p, e := GetCurrentProcess() - if e != nil { - return 0, e - } - var t Token - e = OpenProcessToken(p, TOKEN_QUERY, &t) - if e != nil { - return 0, e - } - return t, nil + 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. @@ -622,8 +754,30 @@ func (t Token) GetUserProfileDirectory() (string, error) { } } -// GetSystemDirectory retrieves path to current location of the system -// directory, which is typically, though not always, C:\Windows\System32. +// 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 { @@ -639,6 +793,42 @@ func GetSystemDirectory() (string, error) { } } +// 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 @@ -647,3 +837,607 @@ func (t Token) IsMember(sid *SID) (bool, error) { } 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 + +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 + 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) (ret error) = 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 SetKernelObjectSecurity(handle Handle, securityInformation SECURITY_INFORMATION, securityDescriptor *SECURITY_DESCRIPTOR) (err error) = advapi32.SetKernelObjectSecurity + +//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 UTF16PtrToString(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 { + sdLen := int(selfRelativeSD.Length()) + const min = int(unsafe.Sizeof(SECURITY_DESCRIPTOR{})) + if sdLen < min { + sdLen = min + } + + var src []byte + h := (*unsafeheader.Slice)(unsafe.Pointer(&src)) + h.Data = unsafe.Pointer(selfRelativeSD) + h.Len = sdLen + h.Cap = sdLen + + const psize = int(unsafe.Sizeof(uintptr(0))) + + var dst []byte + h = (*unsafeheader.Slice)(unsafe.Pointer(&dst)) + alloc := make([]uintptr, (sdLen+psize-1)/psize) + h.Data = (*unsafeheader.Slice)(unsafe.Pointer(&alloc)).Data + h.Len = sdLen + h.Cap = sdLen + + copy(dst, src) + return (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&dst[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):len(aclBytes)]) + return (*ACL)(unsafe.Pointer(&aclBytes[0])), nil +} |