File size: 5,496 Bytes
71687cf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | # Copyright (C) 2012 Anaconda, Inc
# SPDX-License-Identifier: BSD-3-Clause
from enum import IntEnum
from logging import getLogger
from ..compat import ensure_binary, on_win
log = getLogger(__name__)
if on_win:
from ctypes import (
POINTER,
Structure,
WinError,
byref,
c_char_p,
c_int,
c_ulong,
c_ulonglong,
c_void_p,
c_wchar_p,
pointer,
sizeof,
windll,
)
from ctypes.wintypes import BOOL, DWORD, HANDLE, HINSTANCE, HKEY, HWND
PHANDLE = POINTER(HANDLE)
PDWORD = POINTER(DWORD)
SEE_MASK_NOCLOSEPROCESS = 0x00000040
INFINITE = -1
WaitForSingleObject = windll.kernel32.WaitForSingleObject
WaitForSingleObject.argtypes = (HANDLE, DWORD)
WaitForSingleObject.restype = DWORD
CloseHandle = windll.kernel32.CloseHandle
CloseHandle.argtypes = (HANDLE,)
CloseHandle.restype = BOOL
class ShellExecuteInfo(Structure):
"""
https://docs.microsoft.com/en-us/windows/desktop/api/shellapi/nf-shellapi-shellexecuteexa
https://docs.microsoft.com/en-us/windows/desktop/api/shellapi/ns-shellapi-_shellexecuteinfoa
"""
_fields_ = [
("cbSize", DWORD),
("fMask", c_ulong),
("hwnd", HWND),
("lpVerb", c_char_p),
("lpFile", c_char_p),
("lpParameters", c_char_p),
("lpDirectory", c_char_p),
("nShow", c_int),
("hInstApp", HINSTANCE),
("lpIDList", c_void_p),
("lpClass", c_char_p),
("hKeyClass", HKEY),
("dwHotKey", DWORD),
("hIcon", HANDLE),
("hProcess", HANDLE),
]
def __init__(self, **kwargs):
Structure.__init__(self)
self.cbSize = sizeof(self)
for field_name, field_value in kwargs.items():
if isinstance(field_value, str):
field_value = ensure_binary(field_value)
setattr(self, field_name, field_value)
PShellExecuteInfo = POINTER(ShellExecuteInfo)
ShellExecuteEx = windll.Shell32.ShellExecuteExA
ShellExecuteEx.argtypes = (PShellExecuteInfo,)
ShellExecuteEx.restype = BOOL
class SW(IntEnum):
HIDE = 0
MAXIMIZE = 3
MINIMIZE = 6
RESTORE = 9
SHOW = 5
SHOWDEFAULT = 10
SHOWMAXIMIZED = 3
SHOWMINIMIZED = 2
SHOWMINNOACTIVE = 7
SHOWNA = 8
SHOWNOACTIVATE = 4
SHOWNORMAL = 1
class ERROR(IntEnum):
ZERO = 0
FILE_NOT_FOUND = 2
PATH_NOT_FOUND = 3
BAD_FORMAT = 11
ACCESS_DENIED = 5
ASSOC_INCOMPLETE = 27
DDE_BUSY = 30
DDE_FAIL = 29
DDE_TIMEOUT = 28
DLL_NOT_FOUND = 32
NO_ASSOC = 31
OOM = 8
SHARE = 26
def get_free_space_on_windows(dir_name):
result = None
free_bytes = c_ulonglong(0)
try:
windll.kernel32.GetDiskFreeSpaceExW(
c_wchar_p(dir_name),
None,
None,
pointer(free_bytes),
)
result = free_bytes.value
except Exception as e:
log.info("%r", e)
return result
def is_admin_on_windows(): # pragma: unix no cover
# http://stackoverflow.com/a/1026626/2127762
result = False
try:
result = windll.shell32.IsUserAnAdmin() != 0
except Exception as e: # pragma: no cover
log.info("%r", e)
# result = 'unknown'
return result
def _wait_and_close_handle(process_handle):
"""Waits until spawned process finishes and closes the handle for it."""
try:
WaitForSingleObject(process_handle, INFINITE)
CloseHandle(process_handle)
except Exception as e:
log.info("%r", e)
def run_as_admin(args, wait=True):
"""
Run command line argument list (`args`) with elevated privileges.
If `wait` is True, the process will block until completion.
NOTES:
- no stdin / stdout / stderr pipe support
- does not automatically quote arguments (i.e. for paths that may contain spaces)
See:
- http://stackoverflow.com/a/19719292/1170370 on 20160407 MCS.
- msdn.microsoft.com/en-us/library/windows/desktop/bb762153(v=vs.85).aspx
- https://github.com/ContinuumIO/menuinst/blob/master/menuinst/windows/win_elevate.py
- https://github.com/saltstack/salt-windows-install/blob/master/deps/salt/python/App/Lib/site-packages/win32/Demos/pipes/runproc.py # NOQA
- https://github.com/twonds/twisted/blob/master/twisted/internet/_dumbwin32proc.py
- https://stackoverflow.com/a/19982092/2127762
- https://www.codeproject.com/Articles/19165/Vista-UAC-The-Definitive-Guide
- https://github.com/JustAMan/pyWinClobber/blob/master/win32elevate.py
"""
arg0 = args[0]
param_str = " ".join(args[1:] if len(args) > 1 else ())
hprocess = None
error_code = None
try:
execute_info = ShellExecuteInfo(
fMask=SEE_MASK_NOCLOSEPROCESS,
hwnd=None,
lpVerb="runas",
lpFile=arg0,
lpParameters=param_str,
lpDirectory=None,
nShow=SW.HIDE,
)
successful = ShellExecuteEx(byref(execute_info))
hprocess = execute_info.hProcess
except Exception as e:
successful = False
error_code = e
log.info("%r", e)
if not successful:
error_code = WinError()
elif wait:
_wait_and_close_handle(execute_info.hProcess)
return hprocess, error_code
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