// 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 (

	"net"

	"syscall"

	"unsafe"

)

// NTStatus corresponds with NTSTATUS, error values returned by ntdll.dll and

// other native functions.

type NTStatus uint32

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 (

	FILE_READ_DATA        = 0x00000001

	FILE_READ_ATTRIBUTES  = 0x00000080

	FILE_READ_EA          = 0x00000008

	FILE_WRITE_DATA       = 0x00000002

	FILE_WRITE_ATTRIBUTES = 0x00000100

	FILE_WRITE_EA         = 0x00000010

	FILE_APPEND_DATA      = 0x00000004

	FILE_EXECUTE          = 0x00000020

	FILE_GENERIC_READ    = STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE

	FILE_GENERIC_WRITE   = STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE

	FILE_GENERIC_EXECUTE = STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE

	FILE_LIST_DIRECTORY = 0x00000001

	FILE_TRAVERSE       = 0x00000020

	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_DEVICE                = 0x00000040

	FILE_ATTRIBUTE_NORMAL                = 0x00000080

	FILE_ATTRIBUTE_TEMPORARY             = 0x00000100

	FILE_ATTRIBUTE_SPARSE_FILE           = 0x00000200

	FILE_ATTRIBUTE_REPARSE_POINT         = 0x00000400

	FILE_ATTRIBUTE_COMPRESSED            = 0x00000800

	FILE_ATTRIBUTE_OFFLINE               = 0x00001000

	FILE_ATTRIBUTE_NOT_CONTENT_INDEXED   = 0x00002000

	FILE_ATTRIBUTE_ENCRYPTED             = 0x00004000

	FILE_ATTRIBUTE_INTEGRITY_STREAM      = 0x00008000

	FILE_ATTRIBUTE_VIRTUAL               = 0x00010000

	FILE_ATTRIBUTE_NO_SCRUB_DATA         = 0x00020000

	FILE_ATTRIBUTE_RECALL_ON_OPEN        = 0x00040000

	FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS = 0x00400000

	INVALID_FILE_ATTRIBUTES = 0xffffffff

	CREATE_NEW        = 1

	CREATE_ALWAYS     = 2

	OPEN_EXISTING     = 3

	OPEN_ALWAYS       = 4

	TRUNCATE_EXISTING = 5

	FILE_FLAG_OPEN_REQUIRING_OPLOCK = 0x00040000

	FILE_FLAG_FIRST_PIPE_INSTANCE   = 0x00080000

	FILE_FLAG_OPEN_NO_RECALL        = 0x00100000

	FILE_FLAG_OPEN_REPARSE_POINT    = 0x00200000

	FILE_FLAG_SESSION_AWARE         = 0x00800000

	FILE_FLAG_POSIX_SEMANTICS       = 0x01000000

	FILE_FLAG_BACKUP_SEMANTICS      = 0x02000000

	FILE_FLAG_DELETE_ON_CLOSE       = 0x04000000

	FILE_FLAG_SEQUENTIAL_SCAN       = 0x08000000

	FILE_FLAG_RANDOM_ACCESS         = 0x10000000

	FILE_FLAG_NO_BUFFERING          = 0x20000000

	FILE_FLAG_OVERLAPPED            = 0x40000000

	FILE_FLAG_WRITE_THROUGH         = 0x80000000

	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_MODULE_NAME32 = 255

	MAX_COMPUTERNAME_LENGTH = 15

	MAX_DHCPV6_DUID_LENGTH = 130

	MAX_DNS_SUFFIX_STRING_LENGTH = 256

	TIME_ZONE_ID_UNKNOWN  = 0

	TIME_ZONE_ID_STANDARD = 1

	TIME_ZONE_ID_DAYLIGHT = 2

	IGNORE                = 0

	INFINITE              = 0xffffffff

	WAIT_ABANDONED = 0x00000080

	WAIT_OBJECT_0  = 0x00000000

	WAIT_FAILED    = 0xFFFFFFFF

	// Access rights for process.

	PROCESS_CREATE_PROCESS            = 0x0080

	PROCESS_CREATE_THREAD             = 0x0002

	PROCESS_DUP_HANDLE                = 0x0040

	PROCESS_QUERY_INFORMATION         = 0x0400

	PROCESS_QUERY_LIMITED_INFORMATION = 0x1000

	PROCESS_SET_INFORMATION           = 0x0200

	PROCESS_SET_QUOTA                 = 0x0100

	PROCESS_SUSPEND_RESUME            = 0x0800

	PROCESS_TERMINATE                 = 0x0001

	PROCESS_VM_OPERATION              = 0x0008

	PROCESS_VM_READ                   = 0x0010

	PROCESS_VM_WRITE                  = 0x0020

	// Access rights for thread.

	THREAD_DIRECT_IMPERSONATION      = 0x0200

	THREAD_GET_CONTEXT               = 0x0008

	THREAD_IMPERSONATE               = 0x0100

	THREAD_QUERY_INFORMATION         = 0x0040

	THREAD_QUERY_LIMITED_INFORMATION = 0x0800

	THREAD_SET_CONTEXT               = 0x0010

	THREAD_SET_INFORMATION           = 0x0020

	THREAD_SET_LIMITED_INFORMATION   = 0x0400

	THREAD_SET_THREAD_TOKEN          = 0x0080

	THREAD_SUSPEND_RESUME            = 0x0002

	THREAD_TERMINATE                 = 0x0001

	FILE_MAP_COPY    = 0x01

	FILE_MAP_WRITE   = 0x02

	FILE_MAP_READ    = 0x04

	FILE_MAP_EXECUTE = 0x20

	CTRL_C_EVENT        = 0

	CTRL_BREAK_EVENT    = 1

	CTRL_CLOSE_EVENT    = 2

	CTRL_LOGOFF_EVENT   = 5

	CTRL_SHUTDOWN_EVENT = 6

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

	APPLICATION_ERROR = 1 << 29

)

const (

	// Process creation flags.

	CREATE_BREAKAWAY_FROM_JOB        = 0x01000000

	CREATE_DEFAULT_ERROR_MODE        = 0x04000000

	CREATE_NEW_CONSOLE               = 0x00000010

	CREATE_NEW_PROCESS_GROUP         = 0x00000200

	CREATE_NO_WINDOW                 = 0x08000000

	CREATE_PROTECTED_PROCESS         = 0x00040000

	CREATE_PRESERVE_CODE_AUTHZ_LEVEL = 0x02000000

	CREATE_SEPARATE_WOW_VDM          = 0x00000800

	CREATE_SHARED_WOW_VDM            = 0x00001000

	CREATE_SUSPENDED                 = 0x00000004

	CREATE_UNICODE_ENVIRONMENT       = 0x00000400

	DEBUG_ONLY_THIS_PROCESS          = 0x00000002

	DEBUG_PROCESS                    = 0x00000001

	DETACHED_PROCESS                 = 0x00000008

	EXTENDED_STARTUPINFO_PRESENT     = 0x00080000

	INHERIT_PARENT_AFFINITY          = 0x00010000

)

const (

	// attributes for ProcThreadAttributeList

	PROC_THREAD_ATTRIBUTE_PARENT_PROCESS    = 0x00020000

	PROC_THREAD_ATTRIBUTE_HANDLE_LIST       = 0x00020002

	PROC_THREAD_ATTRIBUTE_GROUP_AFFINITY    = 0x00030003

	PROC_THREAD_ATTRIBUTE_PREFERRED_NODE    = 0x00020004

	PROC_THREAD_ATTRIBUTE_IDEAL_PROCESSOR   = 0x00030005

	PROC_THREAD_ATTRIBUTE_MITIGATION_POLICY = 0x00020007

	PROC_THREAD_ATTRIBUTE_UMS_THREAD        = 0x00030006

	PROC_THREAD_ATTRIBUTE_PROTECTION_LEVEL  = 0x0002000b

)

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 (

	// flags for EnumProcessModulesEx

	LIST_MODULES_32BIT   = 0x01

	LIST_MODULES_64BIT   = 0x02

	LIST_MODULES_ALL     = 0x03

	LIST_MODULES_DEFAULT = 0x00

)

const (

	// filters for ReadDirectoryChangesW and FindFirstChangeNotificationW

	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

	/* certenrolld_begin -- PROV_RSA_*/

	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

	/* dwFlags definitions for CryptAcquireContext */

	CRYPT_VERIFYCONTEXT              = 0xF0000000

	CRYPT_NEWKEYSET                  = 0x00000008

	CRYPT_DELETEKEYSET               = 0x00000010

	CRYPT_MACHINE_KEYSET             = 0x00000020

	CRYPT_SILENT                     = 0x00000040

	CRYPT_DEFAULT_CONTAINER_OPTIONAL = 0x00000080

	/* Flags for PFXImportCertStore */

	CRYPT_EXPORTABLE                   = 0x00000001

	CRYPT_USER_PROTECTED               = 0x00000002

	CRYPT_USER_KEYSET                  = 0x00001000

	PKCS12_PREFER_CNG_KSP              = 0x00000100

	PKCS12_ALWAYS_CNG_KSP              = 0x00000200

	PKCS12_ALLOW_OVERWRITE_KEY         = 0x00004000

	PKCS12_NO_PERSIST_KEY              = 0x00008000

	PKCS12_INCLUDE_EXTENDED_PROPERTIES = 0x00000010

	/* Flags for CryptAcquireCertificatePrivateKey */

	CRYPT_ACQUIRE_CACHE_FLAG             = 0x00000001

	CRYPT_ACQUIRE_USE_PROV_INFO_FLAG     = 0x00000002

	CRYPT_ACQUIRE_COMPARE_KEY_FLAG       = 0x00000004

	CRYPT_ACQUIRE_NO_HEALING             = 0x00000008

	CRYPT_ACQUIRE_SILENT_FLAG            = 0x00000040

	CRYPT_ACQUIRE_WINDOW_HANDLE_FLAG     = 0x00000080

	CRYPT_ACQUIRE_NCRYPT_KEY_FLAGS_MASK  = 0x00070000

	CRYPT_ACQUIRE_ALLOW_NCRYPT_KEY_FLAG  = 0x00010000

	CRYPT_ACQUIRE_PREFER_NCRYPT_KEY_FLAG = 0x00020000

	CRYPT_ACQUIRE_ONLY_NCRYPT_KEY_FLAG   = 0x00040000

	/* pdwKeySpec for CryptAcquireCertificatePrivateKey */

	AT_KEYEXCHANGE       = 1

	AT_SIGNATURE         = 2

	CERT_NCRYPT_KEY_SPEC = 0xFFFFFFFF

	/* Default usage match type is AND with value zero */

	USAGE_MATCH_TYPE_AND = 0

	USAGE_MATCH_TYPE_OR  = 1

	/* msgAndCertEncodingType values for CertOpenStore function */

	X509_ASN_ENCODING   = 0x00000001

	PKCS_7_ASN_ENCODING = 0x00010000

	/* storeProvider values for CertOpenStore function */

	CERT_STORE_PROV_MSG               = 1

	CERT_STORE_PROV_MEMORY            = 2

	CERT_STORE_PROV_FILE              = 3

	CERT_STORE_PROV_REG               = 4

	CERT_STORE_PROV_PKCS7             = 5

	CERT_STORE_PROV_SERIALIZED        = 6

	CERT_STORE_PROV_FILENAME_A        = 7

	CERT_STORE_PROV_FILENAME_W        = 8

	CERT_STORE_PROV_FILENAME          = CERT_STORE_PROV_FILENAME_W

	CERT_STORE_PROV_SYSTEM_A          = 9

	CERT_STORE_PROV_SYSTEM_W          = 10

	CERT_STORE_PROV_SYSTEM            = CERT_STORE_PROV_SYSTEM_W

	CERT_STORE_PROV_COLLECTION        = 11

	CERT_STORE_PROV_SYSTEM_REGISTRY_A = 12

	CERT_STORE_PROV_SYSTEM_REGISTRY_W = 13

	CERT_STORE_PROV_SYSTEM_REGISTRY   = CERT_STORE_PROV_SYSTEM_REGISTRY_W

	CERT_STORE_PROV_PHYSICAL_W        = 14

	CERT_STORE_PROV_PHYSICAL          = CERT_STORE_PROV_PHYSICAL_W

	CERT_STORE_PROV_SMART_CARD_W      = 15

	CERT_STORE_PROV_SMART_CARD        = CERT_STORE_PROV_SMART_CARD_W

	CERT_STORE_PROV_LDAP_W            = 16

	CERT_STORE_PROV_LDAP              = CERT_STORE_PROV_LDAP_W

	CERT_STORE_PROV_PKCS12            = 17

	/* store characteristics (low WORD of flag) for CertOpenStore function */

	CERT_STORE_NO_CRYPT_RELEASE_FLAG            = 0x00000001

	CERT_STORE_SET_LOCALIZED_NAME_FLAG          = 0x00000002

	CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG = 0x00000004

	CERT_STORE_DELETE_FLAG                      = 0x00000010

	CERT_STORE_UNSAFE_PHYSICAL_FLAG             = 0x00000020

	CERT_STORE_SHARE_STORE_FLAG                 = 0x00000040

	CERT_STORE_SHARE_CONTEXT_FLAG               = 0x00000080

	CERT_STORE_MANIFOLD_FLAG                    = 0x00000100

	CERT_STORE_ENUM_ARCHIVED_FLAG               = 0x00000200

	CERT_STORE_UPDATE_KEYID_FLAG                = 0x00000400

	CERT_STORE_BACKUP_RESTORE_FLAG              = 0x00000800

	CERT_STORE_MAXIMUM_ALLOWED_FLAG             = 0x00001000

	CERT_STORE_CREATE_NEW_FLAG                  = 0x00002000

	CERT_STORE_OPEN_EXISTING_FLAG               = 0x00004000

	CERT_STORE_READONLY_FLAG                    = 0x00008000

	/* store locations (high WORD of flag) for CertOpenStore function */

	CERT_SYSTEM_STORE_CURRENT_USER               = 0x00010000

	CERT_SYSTEM_STORE_LOCAL_MACHINE              = 0x00020000

	CERT_SYSTEM_STORE_CURRENT_SERVICE            = 0x00040000

	CERT_SYSTEM_STORE_SERVICES                   = 0x00050000

	CERT_SYSTEM_STORE_USERS                      = 0x00060000

	CERT_SYSTEM_STORE_CURRENT_USER_GROUP_POLICY  = 0x00070000

	CERT_SYSTEM_STORE_LOCAL_MACHINE_GROUP_POLICY = 0x00080000

	CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE   = 0x00090000

	CERT_SYSTEM_STORE_UNPROTECTED_FLAG           = 0x40000000

	CERT_SYSTEM_STORE_RELOCATE_FLAG              = 0x80000000

	/* Miscellaneous high-WORD flags for CertOpenStore function */

	CERT_REGISTRY_STORE_REMOTE_FLAG      = 0x00010000

	CERT_REGISTRY_STORE_SERIALIZED_FLAG  = 0x00020000

	CERT_REGISTRY_STORE_ROAMING_FLAG     = 0x00040000

	CERT_REGISTRY_STORE_MY_IE_DIRTY_FLAG = 0x00080000

	CERT_REGISTRY_STORE_LM_GPT_FLAG      = 0x01000000

	CERT_REGISTRY_STORE_CLIENT_GPT_FLAG  = 0x80000000

	CERT_FILE_STORE_COMMIT_ENABLE_FLAG   = 0x00010000

	CERT_LDAP_STORE_SIGN_FLAG            = 0x00010000

	CERT_LDAP_STORE_AREC_EXCLUSIVE_FLAG  = 0x00020000

	CERT_LDAP_STORE_OPENED_FLAG          = 0x00040000

	CERT_LDAP_STORE_UNBIND_FLAG          = 0x00080000

	/* addDisposition values for CertAddCertificateContextToStore function */

	CERT_STORE_ADD_NEW                                 = 1

	CERT_STORE_ADD_USE_EXISTING                        = 2

	CERT_STORE_ADD_REPLACE_EXISTING                    = 3

	CERT_STORE_ADD_ALWAYS                              = 4

	CERT_STORE_ADD_REPLACE_EXISTING_INHERIT_PROPERTIES = 5

	CERT_STORE_ADD_NEWER                               = 6

	CERT_STORE_ADD_NEWER_INHERIT_PROPERTIES            = 7

	/* ErrorStatus values for CertTrustStatus struct */

	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