def GetUncPathOf(filePath):
buf = create_string_buffer(1024)
dwBufSize = DWORD(1024)
err = WNetGetUniversalName(filePath, UNIVERSAL_NAME_INFO_LEVEL, buf,
byref(dwBufSize))
if err == 0:
return cast(buf, POINTER(UNIVERSAL_NAME_INFO)).contents.lpUniversalName
elif err == ERROR_NOT_CONNECTED:
pass
else:
print "GetUncPathOf Error:", err, FormatError(err)
return filePath
def IsAdmin():
"""
Find out if the user (the owner of the current process) is a member of
the administrators group on the local computer (not on the domain!).
"""
# First we must open a handle to the access token for this thread.
hThread = HANDLE()
if not OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, 0, byref(hThread)):
err = GetLastError()
if err == ERROR_NO_TOKEN:
# If the thread does not have an access token, we'll examine the
# access token associated with the process.
if not OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY,
byref(hThread)):
raise WinError()
else:
raise WinError(err)
# Then we must query the size of the group information associated with
# the token. Note that we expect a FALSE result from GetTokenInformation
# because we've given it a NULL buffer. On exit cbTokenGroups will tell
# the size of the group information.
cbTokenGroups = DWORD()
if GetTokenInformation(hThread, TokenGroups, None, 0,
byref(cbTokenGroups)):
raise WinError()
# Here we verify that GetTokenInformation failed for lack of a large
# enough buffer.
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
# Now we allocate a buffer for the group information.
ptg = create_string_buffer(cbTokenGroups.value)
# Now we ask for the group information again.
# This may fail if an administrator has added this account to an additional
# group between our first call to GetTokenInformation and this one.
if not GetTokenInformation(hThread, TokenGroups, ptg, cbTokenGroups,
byref(cbTokenGroups)):
raise WinError()
# Now we must create a System Identifier for the Admin group.
systemSidAuthority = SID_IDENTIFIER_AUTHORITY()
systemSidAuthority.Value[5] = SECURITY_NT_AUTHORITY
psidAdmin = PSID()
if not AllocateAndInitializeSid(
byref(systemSidAuthority), 2, SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, byref(psidAdmin)):
raise WinError()
# Finally we'll iterate through the list of groups for this access
# token looking for a match against the SID we created above.
ptg = cast(ptg, POINTER(TOKEN_GROUPS))
groups = cast(ptg.contents.Groups, POINTER(SID_AND_ATTRIBUTES))
isAdmin = False
for i in range(ptg.contents.GroupCount):
if EqualSid(groups[i].Sid, psidAdmin.value):
isAdmin = True
break
# Before we exit we must explicitly deallocate the SID we created.
FreeSid(psidAdmin)
return isAdmin