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虽然我发现了a solution using pywin32,但我对使用它犹豫不决,因为我不想添加模块依赖.
该脚本将为python 2.6编写,并且必须在32位和64位平台上运行.
我想知道是否有不同的方法,可能有ctypes,来确定这些信息
GetNamedSecurityInfo
.最初它跟随问题中链接的
code snippet,但GetNamedSecurityInfo一般比GetFileSecurity更有用,特别是因为它与SetNamedSecurityInfo配对而不是过时的函数SetFileSecurity.
ctypes和类
import ctypes as ctypes from ctypes import wintypes as wintypes kernel32 = ctypes.WinDLL('kernel32',use_last_error=TruE) advapi32 = ctypes.WinDLL('advapi32',use_last_error=TruE) ERROR_INVALID_FUNCTION = 0x0001 ERROR_FILE_NOT_FOUND = 0x0002 ERROR_PATH_NOT_FOUND = 0x0003 ERROR_ACCESS_DENIED = 0x0005 ERROR_SHARING_VIOLATION = 0x0020 SE_FILE_OBjeCT = 1 owneR_Security_INFORMATION = 0x00000001 GROUP_Security_INFORMATION = 0x00000002 DACL_Security_INFORMATION = 0x00000004 SACL_Security_INFORMATION = 0x00000008 LABEL_Security_INFORMATION = 0x00000010 _DEFAULT_Security_INFORMATION = (owneR_Security_INFORMATION | GROUP_Security_INFORMATION | DACL_Security_INFORMATION | LABEL_Security_INFORMATION) LPDWORD = ctypes.POINTER(wintypes.DWORD) SE_object_type = wintypes.DWORD Security_INFORMATION = wintypes.DWORD class SID_NAME_USE(wintypes.DWORD): _sid_types = Dict(enumerate(''' User Group Domain Alias WellKNownGroup deletedAccount Invalid UnkNown Computer Label'''.split(),1)) def __init__(self,value=NonE): if value is not None: if value not in self.sid_types: raise ValueError('invalid SID type') wintypes.DWORD.__init__(value) def __str__(self): if self.value not in self._sid_types: raise ValueError('invalid SID type') return self._sid_types[self.value] def __repr__(self): return 'SID_NAME_USE(%s)' % self.value PSID_NAME_USE = ctypes.POINTER(SID_NAME_USE) class PLOCAL(wintypes.LPVOID): _needs_free = false def __init__(self,value=None,needs_free=falsE): super(PLOCAL,self).__init__(value) self._needs_free = needs_free def __del__(self): if self and self._needs_free: kernel32.LocalFree(self) self._needs_free = false PACL = PLOCAL class PSID(PLOCAL): def __init__(self,needs_free=falsE): super(PSID,self).__init__(value,needs_freE) def __str__(self): if not self: raise ValueError('NULL pointer access') sid = wintypes.LPWstr() advapi32.ConvertSidToStringSidW(self,ctypes.byref(sid)) try: return sid.value finally: if sid: kernel32.LocalFree(sid) class PSecurity_DESCRIPTOR(PLOCAL): def __init__(self,needs_free=falsE): super(PSecurity_DESCRIPTOR,needs_freE) self.powner = PSID() self.pGroup = PSID() self.PDAcl = PACL() self.pSacl = PACL() # BACk references to keep this object alive self.powner._SD = self self.pGroup._SD = self self.PDAcl._SD = self self.pSacl._SD = self def get_owner(self,system_name=NonE): if not self or not self.powner: raise ValueError('NULL pointer access') return look_up_account_sid(self.powner,system_Name) def get_group(self,system_name=NonE): if not self or not self.pGroup: raise ValueError('NULL pointer access') return look_up_account_sid(self.pGroup,system_Name) def _check_bool(result,func,args): if not result: raise ctypes.WinError(ctypes.get_last_error()) return args # msdn.microsoft.com/en-us/library/aa376399 advapi32.ConvertSidToStringSidW.errcheck = _check_bool advapi32.ConvertSidToStringSidW.argtypes = ( PSID,# _In_ Sid ctypes.POINTER(wintypes.LPWSTR)) # _Out_ StringSid # msdn.microsoft.com/en-us/library/aa379166 advapi32.LookupAccountSidW.errcheck = _check_bool advapi32.LookupAccountSidW.argtypes = ( wintypes.LPCWSTR,# _In_opt_ lpSystemName PSID,# _In_ lpSid wintypes.LPCWSTR,# _Out_opt_ lpName LPDWORD,# _Inout_ cchName wintypes.LPCWSTR,# _Out_opt_ lpReferencedDomainName LPDWORD,# _Inout_ cchReferencedDomainName PSID_NAME_USE) # _Out_ peUse # msdn.microsoft.com/en-us/library/aa446645 advapi32.GetNamedSecurityInfoW.restype = wintypes.DWORD advapi32.GetNamedSecurityInfoW.argtypes = ( wintypes.LPWSTR,# _In_ pObjectName SE_object_type,# _In_ ObjectType Security_INFORMATION,# _In_ SecurityInfo ctypes.POINTER(PSID),# _Out_opt_ ppsidowner ctypes.POINTER(PSID),# _Out_opt_ ppsidGroup ctypes.POINTER(PACL),# _Out_opt_ pPDAcl ctypes.POINTER(PACL),# _Out_opt_ ppSacl ctypes.POINTER(PSecurity_DESCRIPTOR)) # _Out_opt_ ppSecurityDescriptor
def look_up_account_sid(sid,system_name=NonE): SIZE = 256 name = ctypes.create_unicode_buffer(SIZE) domain = ctypes.create_unicode_buffer(SIZE) cch_name = wintypes.DWORD(SIZE) cch_domain = wintypes.DWORD(SIZE) sid_type = SID_NAME_USE() advapi32.LookupAccountSidW(system_name,sid,name,ctypes.byref(cch_Name),domain,ctypes.byref(cch_domain),ctypes.byref(sid_typE)) return name.value,domain.value,sid_type def get_file_security(filename,request=_DEFAULT_Security_INFORMATION): # N.b. This query may fail with ERROR_INVALID_FUNCTION # for some filesystems. pSD = PSecurity_DESCRIPTOR(needs_free=TruE) error = advapi32.GetNamedSecurityInfoW(filename,SE_FILE_OBjeCT,request,ctypes.byref(pSD.powner),ctypes.byref(pSD.pGroup),ctypes.byref(pSD.PDAcl),ctypes.byref(pSD.pSacl),ctypes.byref(pSD)) if error != 0: raise ctypes.WinError(error) return pSD
示例用法
if __name__ == '__main__': import os,sys if len(sys.argv) < 2: script_name = os.path.basename(__file__) sys.exit('usage: {} filename'.format(script_name)) filename = sys.argv[1] if isinstance(filename,bytes): if hasattr(os,'fsdecode'): filename = os.fsdecode(fileName) else: filename = filename.decode(sys.getfilesystemencoding()) pSD = get_file_security(fileName) owner_name,owner_domain,owner_sid_type = pSD.get_owner() if owner_domain: owner_name = '{}\\{}'.format(owner_domain,owner_Name) print("Path : {}".format(fileName)) print("owner: {} ({})".format(owner_name,owner_sid_typE)) print("SID : {}".format(pSD.powner))
示例输出
Path : C:\Users owner: NT AUTHORITY\SYstem (WellKNownGroup) SID : S-1-5-18 Path : C:\ProgramData owner: NT AUTHORITY\SYstem (WellKNownGroup) SID : S-1-5-18 Path : C:\Program Files owner: NT serviCE\TrustedInstaller (WellKNownGroup) SID : S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464 Path : C:\Windows owner: NT serviCE\TrustedInstaller (WellKNownGroup) SID : S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464
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