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path: root/vendor/golang.org/x/sys/windows/types_windows.go
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// Copyright 2011 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"

const (
    // Windows errors.
    ERROR_FILE_NOT_FOUND         syscall.Errno = 2
    ERROR_PATH_NOT_FOUND         syscall.Errno = 3
    ERROR_ACCESS_DENIED          syscall.Errno = 5
    ERROR_NO_MORE_FILES          syscall.Errno = 18
    ERROR_HANDLE_EOF             syscall.Errno = 38
    ERROR_NETNAME_DELETED        syscall.Errno = 64
    ERROR_FILE_EXISTS            syscall.Errno = 80
    ERROR_BROKEN_PIPE            syscall.Errno = 109
    ERROR_BUFFER_OVERFLOW        syscall.Errno = 111
    ERROR_INSUFFICIENT_BUFFER    syscall.Errno = 122
    ERROR_MOD_NOT_FOUND          syscall.Errno = 126
    ERROR_PROC_NOT_FOUND         syscall.Errno = 127
    ERROR_ALREADY_EXISTS         syscall.Errno = 183
    ERROR_ENVVAR_NOT_FOUND       syscall.Errno = 203
    ERROR_MORE_DATA              syscall.Errno = 234
    ERROR_OPERATION_ABORTED      syscall.Errno = 995
    ERROR_IO_PENDING             syscall.Errno = 997
    ERROR_SERVICE_SPECIFIC_ERROR syscall.Errno = 1066
    ERROR_NOT_FOUND              syscall.Errno = 1168
    ERROR_PRIVILEGE_NOT_HELD     syscall.Errno = 1314
    WSAEACCES                    syscall.Errno = 10013
    WSAEMSGSIZE                  syscall.Errno = 10040
    WSAECONNRESET                syscall.Errno = 10054
)

const (
    // Invented values to support what package os expects.
    O_RDONLY   = 0x00000
    O_WRONLY   = 0x00001
    O_RDWR     = 0x00002
    O_CREAT    = 0x00040
    O_EXCL     = 0x00080
    O_NOCTTY   = 0x00100
    O_TRUNC    = 0x00200
    O_NONBLOCK = 0x00800
    O_APPEND   = 0x00400
    O_SYNC     = 0x01000
    O_ASYNC    = 0x02000
    O_CLOEXEC  = 0x80000
)

const (
    // More invented values for signals
    SIGHUP  = Signal(0x1)
    SIGINT  = Signal(0x2)
    SIGQUIT = Signal(0x3)
    SIGILL  = Signal(0x4)
    SIGTRAP = Signal(0x5)
    SIGABRT = Signal(0x6)
    SIGBUS  = Signal(0x7)
    SIGFPE  = Signal(0x8)
    SIGKILL = Signal(0x9)
    SIGSEGV = Signal(0xb)
    SIGPIPE = Signal(0xd)
    SIGALRM = Signal(0xe)
    SIGTERM = Signal(0xf)
)

var signals = [...]string{
    1:  "hangup",
    2:  "interrupt",
    3:  "quit",
    4:  "illegal instruction",
    5:  "trace/breakpoint trap",
    6:  "aborted",
    7:  "bus error",
    8:  "floating point exception",
    9:  "killed",
    10: "user defined signal 1",
    11: "segmentation fault",
    12: "user defined signal 2",
    13: "broken pipe",
    14: "alarm clock",
    15: "terminated",
}

const (
    GENERIC_READ    = 0x80000000
    GENERIC_WRITE   = 0x40000000
    GENERIC_EXECUTE = 0x20000000
    GENERIC_ALL     = 0x10000000

    FILE_LIST_DIRECTORY   = 0x00000001
    FILE_APPEND_DATA      = 0x00000004
    FILE_WRITE_ATTRIBUTES = 0x00000100

    FILE_SHARE_READ              = 0x00000001
    FILE_SHARE_WRITE             = 0x00000002
    FILE_SHARE_DELETE            = 0x00000004
    FILE_ATTRIBUTE_READONLY      = 0x00000001
    FILE_ATTRIBUTE_HIDDEN        = 0x00000002
    FILE_ATTRIBUTE_SYSTEM        = 0x00000004
    FILE_ATTRIBUTE_DIRECTORY     = 0x00000010
    FILE_ATTRIBUTE_ARCHIVE       = 0x00000020
    FILE_ATTRIBUTE_NORMAL        = 0x00000080
    FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400

    INVALID_FILE_ATTRIBUTES = 0xffffffff

    CREATE_NEW        = 1
    CREATE_ALWAYS     = 2
    OPEN_EXISTING     = 3
    OPEN_ALWAYS       = 4
    TRUNCATE_EXISTING = 5

    FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000
    FILE_FLAG_BACKUP_SEMANTICS   = 0x02000000
    FILE_FLAG_OVERLAPPED         = 0x40000000

    HANDLE_FLAG_INHERIT    = 0x00000001
    STARTF_USESTDHANDLES   = 0x00000100
    STARTF_USESHOWWINDOW   = 0x00000001
    DUPLICATE_CLOSE_SOURCE = 0x00000001
    DUPLICATE_SAME_ACCESS  = 0x00000002

    STD_INPUT_HANDLE  = -10 & (1<<32 - 1)
    STD_OUTPUT_HANDLE = -11 & (1<<32 - 1)
    STD_ERROR_HANDLE  = -12 & (1<<32 - 1)

    FILE_BEGIN   = 0
    FILE_CURRENT = 1
    FILE_END     = 2

    LANG_ENGLISH       = 0x09
    SUBLANG_ENGLISH_US = 0x01

    FORMAT_MESSAGE_ALLOCATE_BUFFER = 256
    FORMAT_MESSAGE_IGNORE_INSERTS  = 512
    FORMAT_MESSAGE_FROM_STRING     = 1024
    FORMAT_MESSAGE_FROM_HMODULE    = 2048
    FORMAT_MESSAGE_FROM_SYSTEM     = 4096
    FORMAT_MESSAGE_ARGUMENT_ARRAY  = 8192
    FORMAT_MESSAGE_MAX_WIDTH_MASK  = 255

    MAX_PATH      = 260
    MAX_LONG_PATH = 32768

    MAX_COMPUTERNAME_LENGTH = 15

    TIME_ZONE_ID_UNKNOWN  = 0
    TIME_ZONE_ID_STANDARD = 1

    TIME_ZONE_ID_DAYLIGHT = 2
    IGNORE                = 0
    INFINITE              = 0xffffffff

    WAIT_TIMEOUT   = 258
    WAIT_ABANDONED = 0x00000080
    WAIT_OBJECT_0  = 0x00000000
    WAIT_FAILED    = 0xFFFFFFFF

    CREATE_NEW_PROCESS_GROUP   = 0x00000200
    CREATE_UNICODE_ENVIRONMENT = 0x00000400

    PROCESS_TERMINATE         = 1
    PROCESS_QUERY_INFORMATION = 0x00000400
    SYNCHRONIZE               = 0x00100000

    FILE_MAP_COPY    = 0x01
    FILE_MAP_WRITE   = 0x02
    FILE_MAP_READ    = 0x04
    FILE_MAP_EXECUTE = 0x20

    CTRL_C_EVENT     = 0
    CTRL_BREAK_EVENT = 1

    // Windows reserves errors >= 1<<29 for application use.
    APPLICATION_ERROR = 1 << 29
)

const (
    // flags for CreateToolhelp32Snapshot
    TH32CS_SNAPHEAPLIST = 0x01
    TH32CS_SNAPPROCESS  = 0x02
    TH32CS_SNAPTHREAD   = 0x04
    TH32CS_SNAPMODULE   = 0x08
    TH32CS_SNAPMODULE32 = 0x10
    TH32CS_SNAPALL      = TH32CS_SNAPHEAPLIST | TH32CS_SNAPMODULE | TH32CS_SNAPPROCESS | TH32CS_SNAPTHREAD
    TH32CS_INHERIT      = 0x80000000
)

const (
    // filters for ReadDirectoryChangesW
    FILE_NOTIFY_CHANGE_FILE_NAME   = 0x001
    FILE_NOTIFY_CHANGE_DIR_NAME    = 0x002
    FILE_NOTIFY_CHANGE_ATTRIBUTES  = 0x004
    FILE_NOTIFY_CHANGE_SIZE        = 0x008
    FILE_NOTIFY_CHANGE_LAST_WRITE  = 0x010
    FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x020
    FILE_NOTIFY_CHANGE_CREATION    = 0x040
    FILE_NOTIFY_CHANGE_SECURITY    = 0x100
)

const (
    // do not reorder
    FILE_ACTION_ADDED = iota + 1
    FILE_ACTION_REMOVED
    FILE_ACTION_MODIFIED
    FILE_ACTION_RENAMED_OLD_NAME
    FILE_ACTION_RENAMED_NEW_NAME
)

const (
    // wincrypt.h
    PROV_RSA_FULL                    = 1
    PROV_RSA_SIG                     = 2
    PROV_DSS                         = 3
    PROV_FORTEZZA                    = 4
    PROV_MS_EXCHANGE                 = 5
    PROV_SSL                         = 6
    PROV_RSA_SCHANNEL                = 12
    PROV_DSS_DH                      = 13
    PROV_EC_ECDSA_SIG                = 14
    PROV_EC_ECNRA_SIG                = 15
    PROV_EC_ECDSA_FULL               = 16
    PROV_EC_ECNRA_FULL               = 17
    PROV_DH_SCHANNEL                 = 18
    PROV_SPYRUS_LYNKS                = 20
    PROV_RNG                         = 21
    PROV_INTEL_SEC                   = 22
    PROV_REPLACE_OWF                 = 23
    PROV_RSA_AES                     = 24
    CRYPT_VERIFYCONTEXT              = 0xF0000000
    CRYPT_NEWKEYSET                  = 0x00000008
    CRYPT_DELETEKEYSET               = 0x00000010
    CRYPT_MACHINE_KEYSET             = 0x00000020
    CRYPT_SILENT                     = 0x00000040
    CRYPT_DEFAULT_CONTAINER_OPTIONAL = 0x00000080

    USAGE_MATCH_TYPE_AND = 0
    USAGE_MATCH_TYPE_OR  = 1

    X509_ASN_ENCODING   = 0x00000001
    PKCS_7_ASN_ENCODING = 0x00010000

    CERT_STORE_PROV_MEMORY = 2

    CERT_STORE_ADD_ALWAYS = 4

    CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG = 0x00000004

    CERT_TRUST_NO_ERROR                          = 0x00000000
    CERT_TRUST_IS_NOT_TIME_VALID                 = 0x00000001
    CERT_TRUST_IS_REVOKED                        = 0x00000004
    CERT_TRUST_IS_NOT_SIGNATURE_VALID            = 0x00000008
    CERT_TRUST_IS_NOT_VALID_FOR_USAGE            = 0x00000010
    CERT_TRUST_IS_UNTRUSTED_ROOT                 = 0x00000020
    CERT_TRUST_REVOCATION_STATUS_UNKNOWN         = 0x00000040
    CERT_TRUST_IS_CYCLIC                         = 0x00000080
    CERT_TRUST_INVALID_EXTENSION                 = 0x00000100
    CERT_TRUST_INVALID_POLICY_CONSTRAINTS        = 0x00000200
    CERT_TRUST_INVALID_BASIC_CONSTRAINTS         = 0x00000400
    CERT_TRUST_INVALID_NAME_CONSTRAINTS          = 0x00000800
    CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT = 0x00001000
    CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT   = 0x00002000
    CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT = 0x00004000
    CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT      = 0x00008000
    CERT_TRUST_IS_OFFLINE_REVOCATION             = 0x01000000
    CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY          = 0x02000000
    CERT_TRUST_IS_EXPLICIT_DISTRUST              = 0x04000000
    CERT_TRUST_HAS_NOT_SUPPORTED_CRITICAL_EXT    = 0x08000000

    CERT_CHAIN_POLICY_BASE              = 1
    CERT_CHAIN_POLICY_AUTHENTICODE      = 2
    CERT_CHAIN_POLICY_AUTHENTICODE_TS   = 3
    CERT_CHAIN_POLICY_SSL               = 4
    CERT_CHAIN_POLICY_BASIC_CONSTRAINTS = 5
    CERT_CHAIN_POLICY_NT_AUTH           = 6
    CERT_CHAIN_POLICY_MICROSOFT_ROOT    = 7
    CERT_CHAIN_POLICY_EV                = 8

    CERT_E_EXPIRED       = 0x800B0101
    CERT_E_ROLE          = 0x800B0103
    CERT_E_PURPOSE       = 0x800B0106
    CERT_E_UNTRUSTEDROOT = 0x800B0109
    CERT_E_CN_NO_MATCH   = 0x800B010F

    AUTHTYPE_CLIENT = 1
    AUTHTYPE_SERVER = 2
)

var (
    OID_PKIX_KP_SERVER_AUTH = []byte("1.3.6.1.5.5.7.3.1\x00")
    OID_SERVER_GATED_CRYPTO = []byte("1.3.6.1.4.1.311.10.3.3\x00")
    OID_SGC_NETSCAPE        = []byte("2.16.840.1.113730.4.1\x00")
)

// Invented values to support what package os expects.
type Timeval struct {
    Sec  int32
    Usec int32
}

func (tv *Timeval) Nanoseconds() int64 {
    return (int64(tv.Sec)*1e6 + int64(tv.Usec)) * 1e3
}

func NsecToTimeval(nsec int64) (tv Timeval) {
    tv.Sec = int32(nsec / 1e9)
    tv.Usec = int32(nsec % 1e9 / 1e3)
    return
}

type SecurityAttributes struct {
    Length             uint32
    SecurityDescriptor uintptr
    InheritHandle      uint32
}

type Overlapped struct {
    Internal     uintptr
    InternalHigh uintptr
    Offset       uint32
    OffsetHigh   uint32
    HEvent       Handle
}

type FileNotifyInformation struct {
    NextEntryOffset uint32
    Action          uint32
    FileNameLength  uint32
    FileName        uint16
}

type Filetime struct {
    LowDateTime  uint32
    HighDateTime uint32
}

// Nanoseconds returns Filetime ft in nanoseconds
// since Epoch (00:00:00 UTC, January 1, 1970).
func (ft *Filetime) Nanoseconds() int64 {
    // 100-nanosecond intervals since January 1, 1601
    nsec := int64(ft.HighDateTime)<<32 + int64(ft.LowDateTime)
    // change starting time to the Epoch (00:00:00 UTC, January 1, 1970)
    nsec -= 116444736000000000
    // convert into nanoseconds
    nsec *= 100
    return nsec
}

func NsecToFiletime(nsec int64) (ft Filetime) {
    // convert into 100-nanosecond
    nsec /= 100
    // change starting time to January 1, 1601
    nsec += 116444736000000000
    // split into high / low
    ft.LowDateTime = uint32(nsec & 0xffffffff)
    ft.HighDateTime = uint32(nsec >> 32 & 0xffffffff)
    return ft
}

type Win32finddata struct {
    FileAttributes    uint32
    CreationTime      Filetime
    LastAccessTime    Filetime
    LastWriteTime     Filetime
    FileSizeHigh      uint32
    FileSizeLow       uint32
    Reserved0         uint32
    Reserved1         uint32
    FileName          [MAX_PATH - 1]uint16
    AlternateFileName [13]uint16
}

// This is the actual system call structure.
// Win32finddata is what we committed to in Go 1.
type win32finddata1 struct {
    FileAttributes    uint32
    CreationTime      Filetime
    LastAccessTime    Filetime
    LastWriteTime     Filetime
    FileSizeHigh      uint32
    FileSizeLow       uint32
    Reserved0         uint32
    Reserved1         uint32
    FileName          [MAX_PATH]uint16
    AlternateFileName [14]uint16
}

func copyFindData(dst *Win32finddata, src *win32finddata1) {
    dst.FileAttributes = src.FileAttributes
    dst.CreationTime = src.CreationTime
    dst.LastAccessTime = src.LastAccessTime
    dst.LastWriteTime = src.LastWriteTime
    dst.FileSizeHigh = src.FileSizeHigh
    dst.FileSizeLow = src.FileSizeLow
    dst.Reserved0 = src.Reserved0
    dst.Reserved1 = src.Reserved1

    // The src is 1 element bigger than dst, but it must be NUL.
    copy(dst.FileName[:], src.FileName[:])
    copy(dst.AlternateFileName[:], src.AlternateFileName[:])
}

type ByHandleFileInformation struct {
    FileAttributes     uint32
    CreationTime       Filetime
    LastAccessTime     Filetime
    LastWriteTime      Filetime
    VolumeSerialNumber uint32
    FileSizeHigh       uint32
    FileSizeLow        uint32
    NumberOfLinks      uint32
    FileIndexHigh      uint32
    FileIndexLow       uint32
}

const (
    GetFileExInfoStandard = 0
    GetFileExMaxInfoLevel = 1
)

type Win32FileAttributeData struct {
    FileAttributes uint32
    CreationTime   Filetime
    LastAccessTime Filetime
    LastWriteTime  Filetime
    FileSizeHigh   uint32
    FileSizeLow    uint32
}

// ShowWindow constants
const (
    // winuser.h
    SW_HIDE            = 0
    SW_NORMAL          = 1
    SW_SHOWNORMAL      = 1
    SW_SHOWMINIMIZED   = 2
    SW_SHOWMAXIMIZED   = 3
    SW_MAXIMIZE        = 3
    SW_SHOWNOACTIVATE  = 4
    SW_SHOW            = 5
    SW_MINIMIZE        = 6
    SW_SHOWMINNOACTIVE = 7
    SW_SHOWNA          = 8
    SW_RESTORE         = 9
    SW_SHOWDEFAULT     = 10
    SW_FORCEMINIMIZE   = 11
)

type StartupInfo struct {
    Cb            uint32
    _             *uint16
    Desktop       *uint16
    Title         *uint16
    X             uint32
    Y             uint32
    XSize         uint32
    YSize         uint32
    XCountChars   uint32
    YCountChars   uint32
    FillAttribute uint32
    Flags         uint32
    ShowWindow    uint16
    _             uint16
    _             *byte
    StdInput      Handle
    StdOutput     Handle
    StdErr        Handle
}

type ProcessInformation struct {
    Process   Handle
    Thread    Handle
    ProcessId uint32
    ThreadId  uint32
}

type ProcessEntry32 struct {
    Size            uint32
    Usage           uint32
    ProcessID       uint32
    DefaultHeapID   uintptr
    ModuleID        uint32
    Threads         uint32
    ParentProcessID uint32
    PriClassBase    int32
    Flags           uint32
    ExeFile         [MAX_PATH]uint16
}

type Systemtime struct {
    Year         uint16
    Month        uint16
    DayOfWeek    uint16
    Day          uint16
    Hour         uint16
    Minute       uint16
    Second       uint16
    Milliseconds uint16
}

type Timezoneinformation struct {
    Bias         int32
    StandardName [32]uint16
    StandardDate Systemtime
    StandardBias int32
    DaylightName [32]uint16
    DaylightDate Systemtime
    DaylightBias int32
}

// Socket related.

const (
    AF_UNSPEC  = 0
    AF_UNIX    = 1
    AF_INET    = 2
    AF_INET6   = 23
    AF_NETBIOS = 17

    SOCK_STREAM    = 1
    SOCK_DGRAM     = 2
    SOCK_RAW       = 3
    SOCK_SEQPACKET = 5

    IPPROTO_IP   = 0
    IPPROTO_IPV6 = 0x29
    IPPROTO_TCP  = 6
    IPPROTO_UDP  = 17

    SOL_SOCKET                = 0xffff
    SO_REUSEADDR              = 4
    SO_KEEPALIVE              = 8
    SO_DONTROUTE              = 16
    SO_BROADCAST              = 32
    SO_LINGER                 = 128
    SO_RCVBUF                 = 0x1002
    SO_SNDBUF                 = 0x1001
    SO_UPDATE_ACCEPT_CONTEXT  = 0x700b
    SO_UPDATE_CONNECT_CONTEXT = 0x7010

    IOC_OUT                            = 0x40000000
    IOC_IN                             = 0x80000000
    IOC_VENDOR                         = 0x18000000
    IOC_INOUT                          = IOC_IN | IOC_OUT
    IOC_WS2                            = 0x08000000
    SIO_GET_EXTENSION_FUNCTION_POINTER = IOC_INOUT | IOC_WS2 | 6
    SIO_KEEPALIVE_VALS                 = IOC_IN | IOC_VENDOR | 4
    SIO_UDP_CONNRESET                  = IOC_IN | IOC_VENDOR | 12

    // cf. http://support.microsoft.com/default.aspx?scid=kb;en-us;257460

    IP_TOS             = 0x3
    IP_TTL             = 0x4
    IP_MULTICAST_IF    = 0x9
    IP_MULTICAST_TTL   = 0xa
    IP_MULTICAST_LOOP  = 0xb
    IP_ADD_MEMBERSHIP  = 0xc
    IP_DROP_MEMBERSHIP = 0xd

    IPV6_V6ONLY         = 0x1b
    IPV6_UNICAST_HOPS   = 0x4
    IPV6_MULTICAST_IF   = 0x9
    IPV6_MULTICAST_HOPS = 0xa
    IPV6_MULTICAST_LOOP = 0xb
    IPV6_JOIN_GROUP     = 0xc
    IPV6_LEAVE_GROUP    = 0xd

    MSG_OOB       = 0x1
    MSG_PEEK      = 0x2
    MSG_DONTROUTE = 0x4
    MSG_WAITALL   = 0x8

    MSG_TRUNC  = 0x0100
    MSG_CTRUNC = 0x0200
    MSG_BCAST  = 0x0400
    MSG_MCAST  = 0x0800

    SOMAXCONN = 0x7fffffff

    TCP_NODELAY = 1

    SHUT_RD   = 0
    SHUT_WR   = 1
    SHUT_RDWR = 2

    WSADESCRIPTION_LEN = 256
    WSASYS_STATUS_LEN  = 128
)

type WSABuf struct {
    Len uint32
    Buf *byte
}

type WSAMsg struct {
    Name        *syscall.RawSockaddrAny
    Namelen     int32
    Buffers     *WSABuf
    BufferCount uint32
    Control     WSABuf
    Flags       uint32
}

// Invented values to support what package os expects.
const (
    S_IFMT   = 0x1f000
    S_IFIFO  = 0x1000
    S_IFCHR  = 0x2000
    S_IFDIR  = 0x4000
    S_IFBLK  = 0x6000
    S_IFREG  = 0x8000
    S_IFLNK  = 0xa000
    S_IFSOCK = 0xc000
    S_ISUID  = 0x800
    S_ISGID  = 0x400
    S_ISVTX  = 0x200
    S_IRUSR  = 0x100
    S_IWRITE = 0x80
    S_IWUSR  = 0x80
    S_IXUSR  = 0x40
)

const (
    FILE_TYPE_CHAR    = 0x0002
    FILE_TYPE_DISK    = 0x0001
    FILE_TYPE_PIPE    = 0x0003
    FILE_TYPE_REMOTE  = 0x8000
    FILE_TYPE_UNKNOWN = 0x0000
)

type Hostent struct {
    Name     *byte
    Aliases  **byte
    AddrType uint16
    Length   uint16
    AddrList **byte
}

type Protoent struct {
    Name    *byte
    Aliases **byte
    Proto   uint16
}

const (
    DNS_TYPE_A       = 0x0001
    DNS_TYPE_NS      = 0x0002
    DNS_TYPE_MD      = 0x0003
    DNS_TYPE_MF      = 0x0004
    DNS_TYPE_CNAME   = 0x0005
    DNS_TYPE_SOA     = 0x0006
    DNS_TYPE_MB      = 0x0007
    DNS_TYPE_MG      = 0x0008
    DNS_TYPE_MR      = 0x0009
    DNS_TYPE_NULL    = 0x000a
    DNS_TYPE_WKS     = 0x000b
    DNS_TYPE_PTR     = 0x000c
    DNS_TYPE_HINFO   = 0x000d
    DNS_TYPE_MINFO   = 0x000e
    DNS_TYPE_MX      = 0x000f
    DNS_TYPE_TEXT    = 0x0010
    DNS_TYPE_RP      = 0x0011
    DNS_TYPE_AFSDB   = 0x0012
    DNS_TYPE_X25     = 0x0013
    DNS_TYPE_ISDN    = 0x0014
    DNS_TYPE_RT      = 0x0015
    DNS_TYPE_NSAP    = 0x0016
    DNS_TYPE_NSAPPTR = 0x0017
    DNS_TYPE_SIG     = 0x0018
    DNS_TYPE_KEY     = 0x0019
    DNS_TYPE_PX      = 0x001a
    DNS_TYPE_GPOS    = 0x001b
    DNS_TYPE_AAAA    = 0x001c
    DNS_TYPE_LOC     = 0x001d
    DNS_TYPE_NXT     = 0x001e
    DNS_TYPE_EID     = 0x001f
    DNS_TYPE_NIMLOC  = 0x0020
    DNS_TYPE_SRV     = 0x0021
    DNS_TYPE_ATMA    = 0x0022
    DNS_TYPE_NAPTR   = 0x0023
    DNS_TYPE_KX      = 0x0024
    DNS_TYPE_CERT    = 0x0025
    DNS_TYPE_A6      = 0x0026
    DNS_TYPE_DNAME   = 0x0027
    DNS_TYPE_SINK    = 0x0028
    DNS_TYPE_OPT     = 0x0029
    DNS_TYPE_DS      = 0x002B
    DNS_TYPE_RRSIG   = 0x002E
    DNS_TYPE_NSEC    = 0x002F
    DNS_TYPE_DNSKEY  = 0x0030
    DNS_TYPE_DHCID   = 0x0031
    DNS_TYPE_UINFO   = 0x0064
    DNS_TYPE_UID     = 0x0065
    DNS_TYPE_GID     = 0x0066
    DNS_TYPE_UNSPEC  = 0x0067
    DNS_TYPE_ADDRS   = 0x00f8
    DNS_TYPE_TKEY    = 0x00f9
    DNS_TYPE_TSIG    = 0x00fa
    DNS_TYPE_IXFR    = 0x00fb
    DNS_TYPE_AXFR    = 0x00fc
    DNS_TYPE_MAILB   = 0x00fd
    DNS_TYPE_MAILA   = 0x00fe
    DNS_TYPE_ALL     = 0x00ff
    DNS_TYPE_ANY     = 0x00ff
    DNS_TYPE_WINS    = 0xff01
    DNS_TYPE_WINSR   = 0xff02
    DNS_TYPE_NBSTAT  = 0xff01
)

const (
    DNS_INFO_NO_RECORDS = 0x251D
)

const (
    // flags inside DNSRecord.Dw
    DnsSectionQuestion   = 0x0000
    DnsSectionAnswer     = 0x0001
    DnsSectionAuthority  = 0x0002
    DnsSectionAdditional = 0x0003
)

type DNSSRVData struct {
    Target   *uint16
    Priority uint16
    Weight   uint16
    Port     uint16
    Pad      uint16
}

type DNSPTRData struct {
    Host *uint16
}

type DNSMXData struct {
    NameExchange *uint16
    Preference   uint16
    Pad          uint16
}

type DNSTXTData struct {
    StringCount uint16
    StringArray [1]*uint16
}

type DNSRecord struct {
    Next     *DNSRecord
    Name     *uint16
    Type     uint16
    Length   uint16
    Dw       uint32
    Ttl      uint32
    Reserved uint32
    Data     [40]byte
}

const (
    TF_DISCONNECT         = 1
    TF_REUSE_SOCKET       = 2
    TF_WRITE_BEHIND       = 4
    TF_USE_DEFAULT_WORKER = 0
    TF_USE_SYSTEM_THREAD  = 16
    TF_USE_KERNEL_APC     = 32
)

type TransmitFileBuffers struct {
    Head       uintptr
    HeadLength uint32
    Tail       uintptr
    TailLength uint32
}

const (
    IFF_UP           = 1
    IFF_BROADCAST    = 2
    IFF_LOOPBACK     = 4
    IFF_POINTTOPOINT = 8
    IFF_MULTICAST    = 16
)

const SIO_GET_INTERFACE_LIST = 0x4004747F

// TODO(mattn): SockaddrGen is union of sockaddr/sockaddr_in/sockaddr_in6_old.
// will be fixed to change variable type as suitable.

type SockaddrGen [24]byte

type InterfaceInfo struct {
    Flags            uint32
    Address          SockaddrGen
    BroadcastAddress SockaddrGen
    Netmask          SockaddrGen
}

type IpAddressString struct {
    String [16]byte
}

type IpMaskString IpAddressString

type IpAddrString struct {
    Next      *IpAddrString
    IpAddress IpAddressString
    IpMask    IpMaskString
    Context   uint32
}

const MAX_ADAPTER_NAME_LENGTH = 256
const MAX_ADAPTER_DESCRIPTION_LENGTH = 128
const MAX_ADAPTER_ADDRESS_LENGTH = 8

type IpAdapterInfo struct {
    Next                *IpAdapterInfo
    ComboIndex          uint32
    AdapterName         [MAX_ADAPTER_NAME_LENGTH + 4]byte
    Description         [MAX_ADAPTER_DESCRIPTION_LENGTH + 4]byte
    AddressLength       uint32
    Address             [MAX_ADAPTER_ADDRESS_LENGTH]byte
    Index               uint32
    Type                uint32
    DhcpEnabled         uint32
    CurrentIpAddress    *IpAddrString
    IpAddressList       IpAddrString
    GatewayList         IpAddrString
    DhcpServer          IpAddrString
    HaveWins            bool
    PrimaryWinsServer   IpAddrString
    SecondaryWinsServer IpAddrString
    LeaseObtained       int64
    LeaseExpires        int64
}

const MAXLEN_PHYSADDR = 8
const MAX_INTERFACE_NAME_LEN = 256
const MAXLEN_IFDESCR = 256

type MibIfRow struct {
    Name            [MAX_INTERFACE_NAME_LEN]uint16
    Index           uint32
    Type            uint32
    Mtu             uint32
    Speed           uint32
    PhysAddrLen     uint32
    PhysAddr        [MAXLEN_PHYSADDR]byte
    AdminStatus     uint32
    OperStatus      uint32
    LastChange      uint32
    InOctets        uint32
    InUcastPkts     uint32
    InNUcastPkts    uint32
    InDiscards      uint32
    InErrors        uint32
    InUnknownProtos uint32
    OutOctets       uint32
    OutUcastPkts    uint32
    OutNUcastPkts   uint32
    OutDiscards     uint32
    OutErrors       uint32
    OutQLen         uint32
    DescrLen        uint32
    Descr           [MAXLEN_IFDESCR]byte
}

type CertContext struct {
    EncodingType uint32
    EncodedCert  *byte
    Length       uint32
    CertInfo     uintptr
    Store        Handle
}

type CertChainContext struct {
    Size                       uint32
    TrustStatus                CertTrustStatus
    ChainCount                 uint32
    Chains                     **CertSimpleChain
    LowerQualityChainCount     uint32
    LowerQualityChains         **CertChainContext
    HasRevocationFreshnessTime uint32
    RevocationFreshnessTime    uint32
}

type CertSimpleChain struct {
    Size                       uint32
    TrustStatus                CertTrustStatus
    NumElements                uint32
    Elements                   **CertChainElement
    TrustListInfo              uintptr
    HasRevocationFreshnessTime uint32
    RevocationFreshnessTime    uint32
}

type CertChainElement struct {
    Size              uint32
    CertContext       *CertContext
    TrustStatus       CertTrustStatus
    RevocationInfo    *CertRevocationInfo
    IssuanceUsage     *CertEnhKeyUsage
    ApplicationUsage  *CertEnhKeyUsage
    ExtendedErrorInfo *uint16
}

type CertRevocationInfo struct {
    Size             uint32
    RevocationResult uint32
    RevocationOid    *byte
    OidSpecificInfo  uintptr
    HasFreshnessTime uint32
    FreshnessTime    uint32
    CrlInfo          uintptr // *CertRevocationCrlInfo
}

type CertTrustStatus struct {
    ErrorStatus uint32
    InfoStatus  uint32
}

type CertUsageMatch struct {
    Type  uint32
    Usage CertEnhKeyUsage
}

type CertEnhKeyUsage struct {
    Length           uint32
    UsageIdentifiers **byte
}

type CertChainPara struct {
    Size                         uint32
    RequestedUsage               CertUsageMatch
    RequstedIssuancePolicy       CertUsageMatch
    URLRetrievalTimeout          uint32
    CheckRevocationFreshnessTime uint32
    RevocationFreshnessTime      uint32
    CacheResync                  *Filetime
}

type CertChainPolicyPara struct {
    Size            uint32
    Flags           uint32
    ExtraPolicyPara uintptr
}

type SSLExtraCertChainPolicyPara struct {
    Size       uint32
    AuthType   uint32
    Checks     uint32
    ServerName *uint16
}

type CertChainPolicyStatus struct {
    Size              uint32
    Error             uint32
    ChainIndex        uint32
    ElementIndex      uint32
    ExtraPolicyStatus uintptr
}

const (
    // do not reorder
    HKEY_CLASSES_ROOT = 0x80000000 + iota
    HKEY_CURRENT_USER
    HKEY_LOCAL_MACHINE
    HKEY_USERS
    HKEY_PERFORMANCE_DATA
    HKEY_CURRENT_CONFIG
    HKEY_DYN_DATA

    KEY_QUERY_VALUE        = 1
    KEY_SET_VALUE          = 2
    KEY_CREATE_SUB_KEY     = 4
    KEY_ENUMERATE_SUB_KEYS = 8
    KEY_NOTIFY             = 16
    KEY_CREATE_LINK        = 32
    KEY_WRITE              = 0x20006
    KEY_EXECUTE            = 0x20019
    KEY_READ               = 0x20019
    KEY_WOW64_64KEY        = 0x0100
    KEY_WOW64_32KEY        = 0x0200
    KEY_ALL_ACCESS         = 0xf003f
)

const (
    // do not reorder
    REG_NONE = iota
    REG_SZ
    REG_EXPAND_SZ
    REG_BINARY
    REG_DWORD_LITTLE_ENDIAN
    REG_DWORD_BIG_ENDIAN
    REG_LINK
    REG_MULTI_SZ
    REG_RESOURCE_LIST
    REG_FULL_RESOURCE_DESCRIPTOR
    REG_RESOURCE_REQUIREMENTS_LIST
    REG_QWORD_LITTLE_ENDIAN
    REG_DWORD = REG_DWORD_LITTLE_ENDIAN
    REG_QWORD = REG_QWORD_LITTLE_ENDIAN
)

type AddrinfoW struct {
    Flags     int32
    Family    int32
    Socktype  int32
    Protocol  int32
    Addrlen   uintptr
    Canonname *uint16
    Addr      uintptr
    Next      *AddrinfoW
}

const (
    AI_PASSIVE     = 1
    AI_CANONNAME   = 2
    AI_NUMERICHOST = 4
)

type GUID struct {
    Data1 uint32
    Data2 uint16
    Data3 uint16
    Data4 [8]byte
}

var WSAID_CONNECTEX = GUID{
    0x25a207b9,
    0xddf3,
    0x4660,
    [8]byte{0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e},
}

var WSAID_WSASENDMSG = GUID{
    0xa441e712,
    0x754f,
    0x43ca,
    [8]byte{0x84, 0xa7, 0x0d, 0xee, 0x44, 0xcf, 0x60, 0x6d},
}

var WSAID_WSARECVMSG = GUID{
    0xf689d7c8,
    0x6f1f,
    0x436b,
    [8]byte{0x8a, 0x53, 0xe5, 0x4f, 0xe3, 0x51, 0xc3, 0x22},
}

const (
    FILE_SKIP_COMPLETION_PORT_ON_SUCCESS = 1
    FILE_SKIP_SET_EVENT_ON_HANDLE        = 2
)

const (
    WSAPROTOCOL_LEN    = 255
    MAX_PROTOCOL_CHAIN = 7
    BASE_PROTOCOL      = 1
    LAYERED_PROTOCOL   = 0

    XP1_CONNECTIONLESS           = 0x00000001
    XP1_GUARANTEED_DELIVERY      = 0x00000002
    XP1_GUARANTEED_ORDER         = 0x00000004
    XP1_MESSAGE_ORIENTED         = 0x00000008
    XP1_PSEUDO_STREAM            = 0x00000010
    XP1_GRACEFUL_CLOSE           = 0x00000020
    XP1_EXPEDITED_DATA           = 0x00000040
    XP1_CONNECT_DATA             = 0x00000080
    XP1_DISCONNECT_DATA          = 0x00000100
    XP1_SUPPORT_BROADCAST        = 0x00000200
    XP1_SUPPORT_MULTIPOINT       = 0x00000400
    XP1_MULTIPOINT_CONTROL_PLANE = 0x00000800
    XP1_MULTIPOINT_DATA_PLANE    = 0x00001000
    XP1_QOS_SUPPORTED            = 0x00002000
    XP1_UNI_SEND                 = 0x00008000
    XP1_UNI_RECV                 = 0x00010000
    XP1_IFS_HANDLES              = 0x00020000
    XP1_PARTIAL_MESSAGE          = 0x00040000
    XP1_SAN_SUPPORT_SDP          = 0x00080000

    PFL_MULTIPLE_PROTO_ENTRIES  = 0x00000001
    PFL_RECOMMENDED_PROTO_ENTRY = 0x00000002
    PFL_HIDDEN                  = 0x00000004
    PFL_MATCHES_PROTOCOL_ZERO   = 0x00000008
    PFL_NETWORKDIRECT_PROVIDER  = 0x00000010
)

type WSAProtocolInfo struct {
    ServiceFlags1     uint32
    ServiceFlags2     uint32
    ServiceFlags3     uint32
    ServiceFlags4     uint32
    ProviderFlags     uint32
    ProviderId        GUID
    CatalogEntryId    uint32
    ProtocolChain     WSAProtocolChain
    Version           int32
    AddressFamily     int32
    MaxSockAddr       int32
    MinSockAddr       int32
    SocketType        int32
    Protocol          int32
    ProtocolMaxOffset int32
    NetworkByteOrder  int32
    SecurityScheme    int32
    MessageSize       uint32
    ProviderReserved  uint32
    ProtocolName      [WSAPROTOCOL_LEN + 1]uint16
}

type WSAProtocolChain struct {
    ChainLen     int32
    ChainEntries [MAX_PROTOCOL_CHAIN]uint32
}

type TCPKeepalive struct {
    OnOff    uint32
    Time     uint32
    Interval uint32
}

type symbolicLinkReparseBuffer struct {
    SubstituteNameOffset uint16
    SubstituteNameLength uint16
    PrintNameOffset      uint16
    PrintNameLength      uint16
    Flags                uint32
    PathBuffer           [1]uint16
}

type mountPointReparseBuffer struct {
    SubstituteNameOffset uint16
    SubstituteNameLength uint16
    PrintNameOffset      uint16
    PrintNameLength      uint16
    PathBuffer           [1]uint16
}

type reparseDataBuffer struct {
    ReparseTag        uint32
    ReparseDataLength uint16
    Reserved          uint16

    // GenericReparseBuffer
    reparseBuffer byte
}

const (
    FSCTL_GET_REPARSE_POINT          = 0x900A8
    MAXIMUM_REPARSE_DATA_BUFFER_SIZE = 16 * 1024
    IO_REPARSE_TAG_MOUNT_POINT       = 0xA0000003
    IO_REPARSE_TAG_SYMLINK           = 0xA000000C
    SYMBOLIC_LINK_FLAG_DIRECTORY     = 0x1
)

const (
    ComputerNameNetBIOS                   = 0
    ComputerNameDnsHostname               = 1
    ComputerNameDnsDomain                 = 2
    ComputerNameDnsFullyQualified         = 3
    ComputerNamePhysicalNetBIOS           = 4
    ComputerNamePhysicalDnsHostname       = 5
    ComputerNamePhysicalDnsDomain         = 6
    ComputerNamePhysicalDnsFullyQualified = 7
    ComputerNameMax                       = 8
)

const (
    MOVEFILE_REPLACE_EXISTING      = 0x1
    MOVEFILE_COPY_ALLOWED          = 0x2
    MOVEFILE_DELAY_UNTIL_REBOOT    = 0x4
    MOVEFILE_WRITE_THROUGH         = 0x8
    MOVEFILE_CREATE_HARDLINK       = 0x10
    MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20
)

const GAA_FLAG_INCLUDE_PREFIX = 0x00000010

const (
    IF_TYPE_OTHER              = 1
    IF_TYPE_ETHERNET_CSMACD    = 6
    IF_TYPE_ISO88025_TOKENRING = 9
    IF_TYPE_PPP                = 23
    IF_TYPE_SOFTWARE_LOOPBACK  = 24
    IF_TYPE_ATM                = 37
    IF_TYPE_IEEE80211          = 71
    IF_TYPE_TUNNEL             = 131
    IF_TYPE_IEEE1394           = 144
)

type SocketAddress struct {
    Sockaddr       *syscall.RawSockaddrAny
    SockaddrLength int32
}

type IpAdapterUnicastAddress struct {
    Length             uint32
    Flags              uint32
    Next               *IpAdapterUnicastAddress
    Address            SocketAddress
    PrefixOrigin       int32
    SuffixOrigin       int32
    DadState           int32
    ValidLifetime      uint32
    PreferredLifetime  uint32
    LeaseLifetime      uint32
    OnLinkPrefixLength uint8
}

type IpAdapterAnycastAddress struct {
    Length  uint32
    Flags   uint32
    Next    *IpAdapterAnycastAddress
    Address SocketAddress
}

type IpAdapterMulticastAddress struct {
    Length  uint32
    Flags   uint32
    Next    *IpAdapterMulticastAddress
    Address SocketAddress
}

type IpAdapterDnsServerAdapter struct {
    Length   uint32
    Reserved uint32
    Next     *IpAdapterDnsServerAdapter
    Address  SocketAddress
}

type IpAdapterPrefix struct {
    Length       uint32
    Flags        uint32
    Next         *IpAdapterPrefix
    Address      SocketAddress
    PrefixLength uint32
}

type IpAdapterAddresses struct {
    Length                uint32
    IfIndex               uint32
    Next                  *IpAdapterAddresses
    AdapterName           *byte
    FirstUnicastAddress   *IpAdapterUnicastAddress
    FirstAnycastAddress   *IpAdapterAnycastAddress
    FirstMulticastAddress *IpAdapterMulticastAddress
    FirstDnsServerAddress *IpAdapterDnsServerAdapter
    DnsSuffix             *uint16
    Description           *uint16
    FriendlyName          *uint16
    PhysicalAddress       [syscall.MAX_ADAPTER_ADDRESS_LENGTH]byte
    PhysicalAddressLength uint32
    Flags                 uint32
    Mtu                   uint32
    IfType                uint32
    OperStatus            uint32
    Ipv6IfIndex           uint32
    ZoneIndices           [16]uint32
    FirstPrefix           *IpAdapterPrefix
    /* more fields might be present here. */
}

const (
    IfOperStatusUp             = 1
    IfOperStatusDown           = 2
    IfOperStatusTesting        = 3
    IfOperStatusUnknown        = 4
    IfOperStatusDormant        = 5
    IfOperStatusNotPresent     = 6
    IfOperStatusLowerLayerDown = 7
)

// Console related constants used for the mode parameter to SetConsoleMode. See
// https://docs.microsoft.com/en-us/windows/console/setconsolemode for details.

const (
    ENABLE_PROCESSED_INPUT        = 0x1
    ENABLE_LINE_INPUT             = 0x2
    ENABLE_ECHO_INPUT             = 0x4
    ENABLE_WINDOW_INPUT           = 0x8
    ENABLE_MOUSE_INPUT            = 0x10
    ENABLE_INSERT_MODE            = 0x20
    ENABLE_QUICK_EDIT_MODE        = 0x40
    ENABLE_EXTENDED_FLAGS         = 0x80
    ENABLE_AUTO_POSITION          = 0x100
    ENABLE_VIRTUAL_TERMINAL_INPUT = 0x200

    ENABLE_PROCESSED_OUTPUT            = 0x1
    ENABLE_WRAP_AT_EOL_OUTPUT          = 0x2
    ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
    DISABLE_NEWLINE_AUTO_RETURN        = 0x8
    ENABLE_LVB_GRID_WORLDWIDE          = 0x10
)

type Coord struct {
    X int16
    Y int16
}

type SmallRect struct {
    Left   int16
    Top    int16
    Right  int16
    Bottom int16
}

// Used with GetConsoleScreenBuffer to retreive information about a console
// screen buffer. See
// https://docs.microsoft.com/en-us/windows/console/console-screen-buffer-info-str
// for details.

type ConsoleScreenBufferInfo struct {
    Size              Coord
    CursorPosition    Coord
    Attributes        uint16
    Window            SmallRect
    MaximumWindowSize Coord
}