mercurial/win32.py
author Raphaël Gomès <rgomes@octobus.net>
Thu, 01 Sep 2022 16:51:26 +0200
changeset 49473 f59e49f6bee4
parent 49305 53e9422a9b45
child 49810 a9faacdc5943
permissions -rw-r--r--
branching: merge stable into default
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# win32.py - utility functions that use win32 API
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#
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# Copyright 2005-2009 Olivia Mackall <olivia@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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import ctypes
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import ctypes.wintypes as wintypes
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import errno
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import msvcrt
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import os
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import random
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import subprocess
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from . import (
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    encoding,
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    pycompat,
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)
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# pytype: disable=module-attr
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_kernel32 = ctypes.windll.kernel32
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_advapi32 = ctypes.windll.advapi32
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_user32 = ctypes.windll.user32
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_crypt32 = ctypes.windll.crypt32
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# pytype: enable=module-attr
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_BOOL = ctypes.c_long
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_WORD = ctypes.c_ushort
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_DWORD = ctypes.c_ulong
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_UINT = ctypes.c_uint
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_LONG = ctypes.c_long
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_LPCSTR = _LPSTR = ctypes.c_char_p
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_HANDLE = ctypes.c_void_p
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_HWND = _HANDLE
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_PCCERT_CONTEXT = ctypes.c_void_p
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_MAX_PATH = wintypes.MAX_PATH
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_INVALID_HANDLE_VALUE = _HANDLE(-1).value
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# GetLastError
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_ERROR_SUCCESS = 0
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_ERROR_NO_MORE_FILES = 18
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_ERROR_INVALID_PARAMETER = 87
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_ERROR_BROKEN_PIPE = 109
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_ERROR_INSUFFICIENT_BUFFER = 122
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_ERROR_NO_DATA = 232
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# WPARAM is defined as UINT_PTR (unsigned type)
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# LPARAM is defined as LONG_PTR (signed type)
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if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
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    _WPARAM = ctypes.c_ulong
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    _LPARAM = ctypes.c_long
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elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
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    _WPARAM = ctypes.c_ulonglong
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    _LPARAM = ctypes.c_longlong
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class _FILETIME(ctypes.Structure):
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    _fields_ = [('dwLowDateTime', _DWORD), ('dwHighDateTime', _DWORD)]
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class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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    _fields_ = [
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        ('dwFileAttributes', _DWORD),
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        ('ftCreationTime', _FILETIME),
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        ('ftLastAccessTime', _FILETIME),
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        ('ftLastWriteTime', _FILETIME),
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        ('dwVolumeSerialNumber', _DWORD),
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        ('nFileSizeHigh', _DWORD),
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        ('nFileSizeLow', _DWORD),
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        ('nNumberOfLinks', _DWORD),
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        ('nFileIndexHigh', _DWORD),
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        ('nFileIndexLow', _DWORD),
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    ]
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# CreateFile
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_FILE_SHARE_READ = 0x00000001
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_FILE_SHARE_WRITE = 0x00000002
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_FILE_SHARE_DELETE = 0x00000004
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_OPEN_EXISTING = 3
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_FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
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# SetFileAttributes
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_FILE_ATTRIBUTE_NORMAL = 0x80
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_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000
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# Process Security and Access Rights
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_PROCESS_QUERY_INFORMATION = 0x0400
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# GetExitCodeProcess
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_STILL_ACTIVE = 259
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class _STARTUPINFO(ctypes.Structure):
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    _fields_ = [
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        ('cb', _DWORD),
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        ('lpReserved', _LPSTR),
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        ('lpDesktop', _LPSTR),
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        ('lpTitle', _LPSTR),
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        ('dwX', _DWORD),
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        ('dwY', _DWORD),
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        ('dwXSize', _DWORD),
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        ('dwYSize', _DWORD),
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        ('dwXCountChars', _DWORD),
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        ('dwYCountChars', _DWORD),
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        ('dwFillAttribute', _DWORD),
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        ('dwFlags', _DWORD),
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        ('wShowWindow', _WORD),
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        ('cbReserved2', _WORD),
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        ('lpReserved2', ctypes.c_char_p),
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        ('hStdInput', _HANDLE),
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        ('hStdOutput', _HANDLE),
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        ('hStdError', _HANDLE),
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    ]
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class _PROCESS_INFORMATION(ctypes.Structure):
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    _fields_ = [
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        ('hProcess', _HANDLE),
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        ('hThread', _HANDLE),
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        ('dwProcessId', _DWORD),
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        ('dwThreadId', _DWORD),
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    ]
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_CREATE_NO_WINDOW = 0x08000000
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_SW_HIDE = 0
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class _COORD(ctypes.Structure):
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    _fields_ = [('X', ctypes.c_short), ('Y', ctypes.c_short)]
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class _SMALL_RECT(ctypes.Structure):
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    _fields_ = [
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        ('Left', ctypes.c_short),
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        ('Top', ctypes.c_short),
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        ('Right', ctypes.c_short),
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        ('Bottom', ctypes.c_short),
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    ]
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class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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    _fields_ = [
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        ('dwSize', _COORD),
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        ('dwCursorPosition', _COORD),
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        ('wAttributes', _WORD),
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        ('srWindow', _SMALL_RECT),
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        ('dwMaximumWindowSize', _COORD),
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    ]
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_STD_OUTPUT_HANDLE = _DWORD(-11).value
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_STD_ERROR_HANDLE = _DWORD(-12).value
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# CERT_TRUST_STATUS dwErrorStatus
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CERT_TRUST_IS_PARTIAL_CHAIN = 0x10000
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# CertCreateCertificateContext encodings
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X509_ASN_ENCODING = 0x00000001
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PKCS_7_ASN_ENCODING = 0x00010000
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# These structs are only complete enough to achieve what we need.
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class CERT_CHAIN_CONTEXT(ctypes.Structure):
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    _fields_ = (
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        ("cbSize", _DWORD),
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        # CERT_TRUST_STATUS struct
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        ("dwErrorStatus", _DWORD),
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        ("dwInfoStatus", _DWORD),
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        ("cChain", _DWORD),
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        ("rgpChain", ctypes.c_void_p),
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        ("cLowerQualityChainContext", _DWORD),
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        ("rgpLowerQualityChainContext", ctypes.c_void_p),
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        ("fHasRevocationFreshnessTime", _BOOL),
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        ("dwRevocationFreshnessTime", _DWORD),
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    )
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class CERT_USAGE_MATCH(ctypes.Structure):
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    _fields_ = (
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        ("dwType", _DWORD),
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        # CERT_ENHKEY_USAGE struct
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        ("cUsageIdentifier", _DWORD),
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        ("rgpszUsageIdentifier", ctypes.c_void_p),  # LPSTR *
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    )
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class CERT_CHAIN_PARA(ctypes.Structure):
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    _fields_ = (
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        ("cbSize", _DWORD),
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        ("RequestedUsage", CERT_USAGE_MATCH),
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        ("RequestedIssuancePolicy", CERT_USAGE_MATCH),
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        ("dwUrlRetrievalTimeout", _DWORD),
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        ("fCheckRevocationFreshnessTime", _BOOL),
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        ("dwRevocationFreshnessTime", _DWORD),
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        ("pftCacheResync", ctypes.c_void_p),  # LPFILETIME
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        ("pStrongSignPara", ctypes.c_void_p),  # PCCERT_STRONG_SIGN_PARA
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        ("dwStrongSignFlags", _DWORD),
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    )
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# types of parameters of C functions used (required by pypy)
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_crypt32.CertCreateCertificateContext.argtypes = [
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    _DWORD,  # cert encoding
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    ctypes.c_char_p,  # cert
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    _DWORD,
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]  # cert size
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_crypt32.CertCreateCertificateContext.restype = _PCCERT_CONTEXT
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_crypt32.CertGetCertificateChain.argtypes = [
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    ctypes.c_void_p,  # HCERTCHAINENGINE
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    _PCCERT_CONTEXT,
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    ctypes.c_void_p,  # LPFILETIME
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    ctypes.c_void_p,  # HCERTSTORE
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    ctypes.c_void_p,  # PCERT_CHAIN_PARA
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    _DWORD,
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    ctypes.c_void_p,  # LPVOID
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    ctypes.c_void_p,  # PCCERT_CHAIN_CONTEXT *
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]
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_crypt32.CertGetCertificateChain.restype = _BOOL
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_crypt32.CertFreeCertificateContext.argtypes = [_PCCERT_CONTEXT]
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_crypt32.CertFreeCertificateContext.restype = _BOOL
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_kernel32.CreateFileA.argtypes = [
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    _LPCSTR,
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    _DWORD,
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    _DWORD,
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    ctypes.c_void_p,
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    _DWORD,
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    _DWORD,
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    _HANDLE,
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]
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_kernel32.CreateFileA.restype = _HANDLE
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_kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetFileInformationByHandle.restype = _BOOL
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_kernel32.CloseHandle.argtypes = [_HANDLE]
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_kernel32.CloseHandle.restype = _BOOL
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try:
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    _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p]
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    _kernel32.CreateHardLinkA.restype = _BOOL
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except AttributeError:
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    pass
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_kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD]
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_kernel32.SetFileAttributesA.restype = _BOOL
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_DRIVE_UNKNOWN = 0
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_DRIVE_NO_ROOT_DIR = 1
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_DRIVE_REMOVABLE = 2
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_DRIVE_FIXED = 3
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_DRIVE_REMOTE = 4
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_DRIVE_CDROM = 5
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_DRIVE_RAMDISK = 6
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_kernel32.GetDriveTypeA.argtypes = [_LPCSTR]
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_kernel32.GetDriveTypeA.restype = _UINT
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_kernel32.GetVolumeInformationA.argtypes = [
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    _LPCSTR,
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    ctypes.c_void_p,
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    _DWORD,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    _DWORD,
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]
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_kernel32.GetVolumeInformationA.restype = _BOOL
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_kernel32.GetVolumePathNameA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD]
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_kernel32.GetVolumePathNameA.restype = _BOOL
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_kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD]
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_kernel32.OpenProcess.restype = _HANDLE
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_kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetExitCodeProcess.restype = _BOOL
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_kernel32.GetLastError.argtypes = []
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_kernel32.GetLastError.restype = _DWORD
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_kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD]
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_kernel32.GetModuleFileNameA.restype = _DWORD
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_kernel32.CreateProcessA.argtypes = [
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    _LPCSTR,
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    _LPCSTR,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    _BOOL,
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    _DWORD,
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    ctypes.c_void_p,
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    _LPCSTR,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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]
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_kernel32.CreateProcessA.restype = _BOOL
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_kernel32.ExitProcess.argtypes = [_UINT]
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_kernel32.ExitProcess.restype = None
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_kernel32.GetCurrentProcessId.argtypes = []
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_kernel32.GetCurrentProcessId.restype = _DWORD
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# pytype: disable=module-attr
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_SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
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# pytype: enable=module-attr
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_kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL]
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_kernel32.SetConsoleCtrlHandler.restype = _BOOL
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_kernel32.SetConsoleMode.argtypes = [_HANDLE, _DWORD]
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_kernel32.SetConsoleMode.restype = _BOOL
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_kernel32.GetConsoleMode.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetConsoleMode.restype = _BOOL
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_kernel32.GetStdHandle.argtypes = [_DWORD]
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_kernel32.GetStdHandle.restype = _HANDLE
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_kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetConsoleScreenBufferInfo.restype = _BOOL
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_advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
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_advapi32.GetUserNameA.restype = _BOOL
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_user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p]
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_user32.GetWindowThreadProcessId.restype = _DWORD
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_user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int]
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_user32.ShowWindow.restype = _BOOL
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# pytype: disable=module-attr
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_WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
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# pytype: enable=module-attr
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_user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM]
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_user32.EnumWindows.restype = _BOOL
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_kernel32.PeekNamedPipe.argtypes = [
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    _HANDLE,
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    ctypes.c_void_p,
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    _DWORD,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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]
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_kernel32.PeekNamedPipe.restype = _BOOL
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def _raiseoserror(name):
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    # Force the code to a signed int to avoid an 'int too large' error.
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    # See https://bugs.python.org/issue28474
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    code = _kernel32.GetLastError()
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    if code > 0x7FFFFFFF:
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        code -= 2 ** 32
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    err = ctypes.WinError(code=code)  # pytype: disable=module-attr
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    raise OSError(
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        err.errno, '%s: %s' % (encoding.strfromlocal(name), err.strerror)
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    )
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def _getfileinfo(name):
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    fh = _kernel32.CreateFileA(
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        name,
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        0,
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        _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
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        None,
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        _OPEN_EXISTING,
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        _FILE_FLAG_BACKUP_SEMANTICS,
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        None,
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parents: 40928
diff changeset
   380
    )
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   381
    if fh == _INVALID_HANDLE_VALUE:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   382
        _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   383
    try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   384
        fi = _BY_HANDLE_FILE_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   385
        if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   386
            _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   387
        return fi
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   388
    finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   389
        _kernel32.CloseHandle(fh)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   390
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   391
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   392
def checkcertificatechain(cert, build=True):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   393
    """Tests the given certificate to see if there is a complete chain to a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   394
    trusted root certificate.  As a side effect, missing certificates are
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   395
    downloaded and installed unless ``build=False``.  True is returned if a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   396
    chain to a trusted root exists (even if built on the fly), otherwise
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   397
    False.  NB: A chain to a trusted root does NOT imply that the certificate
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   398
    is valid.
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   399
    """
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   400
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   401
    chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   402
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   403
    pchainctx = chainctxptr()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   404
    chainpara = CERT_CHAIN_PARA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   405
        cbSize=ctypes.sizeof(CERT_CHAIN_PARA), RequestedUsage=CERT_USAGE_MATCH()
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   406
    )
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   407
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   408
    certctx = _crypt32.CertCreateCertificateContext(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   409
        X509_ASN_ENCODING, cert, len(cert)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   410
    )
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   411
    if certctx is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   412
        _raiseoserror(b'CertCreateCertificateContext')
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   413
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   414
    flags = 0
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   415
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   416
    if not build:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   417
        flags |= 0x100  # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   418
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   419
    try:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   420
        # Building the certificate chain will update root certs as necessary.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   421
        if not _crypt32.CertGetCertificateChain(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   422
            None,  # hChainEngine
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   423
            certctx,  # pCertContext
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   424
            None,  # pTime
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   425
            None,  # hAdditionalStore
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   426
            ctypes.byref(chainpara),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   427
            flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   428
            None,  # pvReserved
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   429
            ctypes.byref(pchainctx),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   430
        ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   431
            _raiseoserror(b'CertGetCertificateChain')
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   432
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   433
        chainctx = pchainctx.contents
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   434
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   435
        return chainctx.dwErrorStatus & CERT_TRUST_IS_PARTIAL_CHAIN == 0
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   436
    finally:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   437
        if pchainctx:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   438
            _crypt32.CertFreeCertificateChain(pchainctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   439
        _crypt32.CertFreeCertificateContext(certctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   440
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   441
14235
b9e1b041744f rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14230
diff changeset
   442
def oslink(src, dst):
13976
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   443
    try:
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   444
        if not _kernel32.CreateHardLinkA(dst, src, None):
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   445
            _raiseoserror(src)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   446
    except AttributeError:  # Wine doesn't support this function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   447
        _raiseoserror(src)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   448
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   449
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   450
def nlinks(name):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   451
    '''return number of hardlinks for the given file'''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   452
    return _getfileinfo(name).nNumberOfLinks
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   453
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   454
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   455
def samefile(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   456
    '''Returns whether path1 and path2 refer to the same file or directory.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   457
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   458
    res2 = _getfileinfo(path2)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   459
    return (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   460
        res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   461
        and res1.nFileIndexHigh == res2.nFileIndexHigh
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   462
        and res1.nFileIndexLow == res2.nFileIndexLow
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   463
    )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   464
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   465
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   466
def samedevice(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   467
    '''Returns whether path1 and path2 are on the same device.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   468
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   469
    res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   470
    return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   471
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   472
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   473
def peekpipe(pipe):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   474
    handle = msvcrt.get_osfhandle(pipe.fileno())  # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   475
    avail = _DWORD()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   476
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   477
    if not _kernel32.PeekNamedPipe(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   478
        handle, None, 0, None, ctypes.byref(avail), None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   479
    ):
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   480
        err = _kernel32.GetLastError()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   481
        if err == _ERROR_BROKEN_PIPE:
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   482
            return 0
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   483
        raise ctypes.WinError(err)  # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   484
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   485
    return avail.value
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   486
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   487
38533
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   488
def lasterrorwaspipeerror(err):
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   489
    if err.errno != errno.EINVAL:
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   490
        return False
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   491
    err = _kernel32.GetLastError()
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   492
    return err == _ERROR_BROKEN_PIPE or err == _ERROR_NO_DATA
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   493
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   494
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   495
def testpid(pid):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   496
    """return True if pid is still running or unable to
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   497
    determine, False otherwise"""
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   498
    h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   499
    if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   500
        try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   501
            status = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   502
            if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   503
                return status.value == _STILL_ACTIVE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   504
        finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   505
            _kernel32.CloseHandle(h)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   506
    return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   507
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   508
14236
e949a008999d rename util.executable_path to executablepath
Adrian Buehlmann <adrian@cadifra.com>
parents: 14235
diff changeset
   509
def executablepath():
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   510
    '''return full path of hg.exe'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   511
    size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   512
    buf = ctypes.create_string_buffer(size + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   513
    len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   514
    # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   515
    if len == 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   516
        raise ctypes.WinError()  # Note: WinError is a function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   517
    elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   518
        raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   519
    # pytype: enable=module-attr
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   520
    return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   521
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   522
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   523
def getvolumename(path):
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   524
    """Get the mount point of the filesystem from a directory or file
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   525
    (best-effort)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   526
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   527
    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   528
    """
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   529
    # realpath() calls GetFullPathName()
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   530
    realpath = os.path.realpath(path)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   531
35550
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   532
    # allocate at least MAX_PATH long since GetVolumePathName('c:\\', buf, 4)
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   533
    # somehow fails on Windows XP
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   534
    size = max(len(realpath), _MAX_PATH) + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   535
    buf = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   536
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   537
    if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   538
        # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   539
        raise ctypes.WinError()  # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   540
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   541
    return buf.value
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   542
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   543
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   544
def getfstype(path):
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   545
    """Get the filesystem type name from a directory or file (best-effort)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   546
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   547
    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   548
    """
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   549
    volume = getvolumename(path)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   550
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   551
    t = _kernel32.GetDriveTypeA(volume)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   552
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   553
    if t == _DRIVE_REMOTE:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   554
        return b'cifs'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   555
    elif t not in (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   556
        _DRIVE_REMOVABLE,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   557
        _DRIVE_FIXED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   558
        _DRIVE_CDROM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   559
        _DRIVE_RAMDISK,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   560
    ):
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   561
        return None
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   562
35549
94a127152e25 win32: allocate buffer of maximum length for GetVolumeInformation()
Yuya Nishihara <yuya@tcha.org>
parents: 35512
diff changeset
   563
    size = _MAX_PATH + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   564
    name = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   565
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   566
    if not _kernel32.GetVolumeInformationA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   567
        volume, None, 0, None, None, None, ctypes.byref(name), size
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   568
    ):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   569
        # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   570
        raise ctypes.WinError()  # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   571
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   572
    return name.value
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   573
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   574
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
   575
def getuser():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
   576
    '''return name of current user'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   577
    size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   578
    buf = ctypes.create_string_buffer(size.value + 1)
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   579
    if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   580
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   581
    return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   582
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   583
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   584
_signalhandler = []
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   585
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   586
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   587
def setsignalhandler():
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   588
    """Register a termination handler for console events including
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   589
    CTRL+C. python signal handlers do not work well with socket
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   590
    operations.
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   591
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   592
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   593
    def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   594
        _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   595
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   596
    if _signalhandler:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   597
        return  # already registered
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   598
    h = _SIGNAL_HANDLER(handler)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   599
    _signalhandler.append(h)  # needed to prevent garbage collection
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   600
    if not _kernel32.SetConsoleCtrlHandler(h, True):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   601
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   602
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   603
10240
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
   604
def hidewindow():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   605
    def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   606
        wpid = _DWORD()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   607
        _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   608
        if pid == wpid.value:
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   609
            _user32.ShowWindow(hwnd, _SW_HIDE)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   610
            return False  # stop enumerating windows
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   611
        return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   612
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   613
    pid = _kernel32.GetCurrentProcessId()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   614
    _user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
   615
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   616
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   617
def termsize():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   618
    # cmd.exe does not handle CR like a unix console, the CR is
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   619
    # counted in the line length. On 80 columns consoles, if 80
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   620
    # characters are written, the following CR won't apply on the
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   621
    # current line but on the new one. Keep room for it.
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
   622
    width = 80 - 1
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   623
    height = 25
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   624
    # Query stderr to avoid problems with redirections
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   625
    screenbuf = _kernel32.GetStdHandle(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   626
        _STD_ERROR_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   627
    )  # don't close the handle returned
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   628
    if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE:
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   629
        return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   630
    csbi = _CONSOLE_SCREEN_BUFFER_INFO()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   631
    if not _kernel32.GetConsoleScreenBufferInfo(screenbuf, ctypes.byref(csbi)):
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   632
        return width, height
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
   633
    width = csbi.srWindow.Right - csbi.srWindow.Left  # don't '+ 1'
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   634
    height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   635
    return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   636
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   637
32664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   638
def enablevtmode():
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   639
    """Enable virtual terminal mode for the associated console.  Return True if
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   640
    enabled, else False."""
32664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   641
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   642
    ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   643
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   644
    handle = _kernel32.GetStdHandle(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   645
        _STD_OUTPUT_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   646
    )  # don't close the handle
32664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   647
    if handle == _INVALID_HANDLE_VALUE:
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   648
        return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   649
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   650
    mode = _DWORD(0)
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   651
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   652
    if not _kernel32.GetConsoleMode(handle, ctypes.byref(mode)):
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   653
        return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   654
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   655
    if (mode.value & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0:
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   656
        mode.value |= ENABLE_VIRTUAL_TERMINAL_PROCESSING
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   657
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   658
        if not _kernel32.SetConsoleMode(handle, mode):
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   659
            return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   660
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   661
    return True
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   662
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   663
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   664
def spawndetached(args):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   665
    # No standard library function really spawns a fully detached
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   666
    # process under win32 because they allocate pipes or other objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   667
    # to handle standard streams communications. Passing these objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   668
    # to the child process requires handle inheritance to be enabled
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   669
    # which makes really detached processes impossible.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   670
    si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   671
    si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   672
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   673
    pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   674
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   675
    env = b''
30637
344e68882cd3 py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30314
diff changeset
   676
    for k in encoding.environ:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   677
        env += b"%s=%s\0" % (k, encoding.environ[k])
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   678
    if not env:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   679
        env = b'\0'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   680
    env += b'\0'
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   681
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
   682
    args = subprocess.list2cmdline(pycompat.rapply(encoding.strfromlocal, args))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   683
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
   684
    # TODO: CreateProcessW on py3?
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   685
    res = _kernel32.CreateProcessA(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   686
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   687
        encoding.strtolocal(args),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   688
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   689
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   690
        False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   691
        _CREATE_NO_WINDOW,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   692
        env,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   693
        encoding.getcwd(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   694
        ctypes.byref(si),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   695
        ctypes.byref(pi),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   696
    )
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   697
    if not res:
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   698
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   699
40928
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   700
    _kernel32.CloseHandle(pi.hProcess)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   701
    _kernel32.CloseHandle(pi.hThread)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   702
32676
4c3d9ee87382 win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents: 32664
diff changeset
   703
    return pi.dwProcessId
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   704
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   705
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   706
def unlink(f):
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   707
    '''try to implement POSIX' unlink semantics on Windows'''
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   708
21226
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   709
    if os.path.isdir(f):
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   710
        # use EPERM because it is POSIX prescribed value, even though
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   711
        # unlink(2) on directories returns EISDIR on Linux
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   712
        raise IOError(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   713
            errno.EPERM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   714
            r"Unlinking directory not permitted: '%s'"
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   715
            % encoding.strfromlocal(f),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   716
        )
19159
1b329f8c7b24 windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18959
diff changeset
   717
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   718
    # POSIX allows to unlink and rename open files. Windows has serious
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   719
    # problems with doing that:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   720
    # - Calling os.unlink (or os.rename) on a file f fails if f or any
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   721
    #   hardlinked copy of f has been opened with Python's open(). There is no
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   722
    #   way such a file can be deleted or renamed on Windows (other than
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   723
    #   scheduling the delete or rename for the next reboot).
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   724
    # - Calling os.unlink on a file that has been opened with Mercurial's
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   725
    #   posixfile (or comparable methods) will delay the actual deletion of
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   726
    #   the file for as long as the file is held open. The filename is blocked
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   727
    #   during that time and cannot be used for recreating a new file under
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   728
    #   that same name ("zombie file"). Directories containing such zombie files
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   729
    #   cannot be removed or moved.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   730
    # A file that has been opened with posixfile can be renamed, so we rename
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   731
    # f to a random temporary name before calling os.unlink on it. This allows
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   732
    # callers to recreate f immediately while having other readers do their
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   733
    # implicit zombie filename blocking on a temporary name.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   734
49284
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 48875
diff changeset
   735
    for tries in range(10):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   736
        temp = b'%s-%08x' % (f, random.randint(0, 0xFFFFFFFF))
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   737
        try:
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   738
            os.rename(f, temp)
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   739
            break
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   740
        except FileExistsError:
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   741
            pass
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   742
    else:
43503
313e3a279828 cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents: 43077
diff changeset
   743
        raise IOError(errno.EEXIST, "No usable temporary filename found")
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   744
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   745
    try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   746
        os.unlink(temp)
13776
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   747
    except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   748
        # The unlink might have failed because the READONLY attribute may heave
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   749
        # been set on the original file. Rename works fine with READONLY set,
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   750
        # but not os.unlink. Reset all attributes and try again.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   751
        _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   752
        try:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   753
            os.unlink(temp)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   754
        except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   755
            # The unlink might have failed due to some very rude AV-Scanners.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   756
            # Leaking a tempfile is the lesser evil than aborting here and
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   757
            # leaving some potentially serious inconsistencies.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   758
            pass
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   759
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   760
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   761
def makedir(path, notindexed):
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   762
    os.mkdir(path)
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   763
    if notindexed:
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   764
        _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)