py-kms/py-kms/pykms_Base.py
2021-10-13 12:55:16 +02:00

268 lines
14 KiB
Python

#!/usr/bin/env python3
import binascii
import logging
import time
import uuid
import socket
from pykms_Structure import Structure
from pykms_DB2Dict import kmsDB2Dict
from pykms_PidGenerator import epidGenerator
from pykms_Filetimes import filetime_to_dt
from pykms_Sql import sql_initialize, sql_update, sql_update_epid
from pykms_Format import justify, byterize, enco, deco, pretty_printer
#--------------------------------------------------------------------------------------------------------------------------------------------------------
loggersrv = logging.getLogger('logsrv')
class UUID(Structure):
commonHdr = ()
structure = (
('raw', '16s'),
)
def get(self):
return uuid.UUID(bytes_le = enco(str(self), 'latin-1'))
class kmsBase:
def __init__(self, data, srv_config):
self.data = data
self.srv_config = srv_config
class kmsRequestStruct(Structure):
commonHdr = ()
structure = (
('versionMinor', '<H'),
('versionMajor', '<H'),
('isClientVm', '<I'),
('licenseStatus', '<I'),
('graceTime', '<I'),
('applicationId', ':', UUID),
('skuId', ':', UUID),
('kmsCountedId' , ':', UUID),
('clientMachineId', ':', UUID),
('requiredClientCount', '<I'),
('requestTime', '<Q'),
('previousClientMachineId', ':', UUID),
('machineName', 'u'),
('_mnPad', '_-mnPad', '126-len(machineName)'),
('mnPad', ':'),
)
def getMachineName(self):
return self['machineName'].decode('utf-16le')
def getLicenseStatus(self):
return kmsBase.licenseStates[self['licenseStatus']] or "Unknown"
class kmsResponseStruct(Structure):
commonHdr = ()
structure = (
('versionMinor', '<H'),
('versionMajor', '<H'),
('epidLen', '<I=len(kmsEpid)+2'),
('kmsEpid', 'u'),
('clientMachineId', ':', UUID),
('responseTime', '<Q'),
('currentClientCount', '<I'),
('vLActivationInterval', '<I'),
('vLRenewalInterval', '<I'),
)
class GenericRequestHeader(Structure):
commonHdr = ()
structure = (
('bodyLength1', '<I'),
('bodyLength2', '<I'),
('versionMinor', '<H'),
('versionMajor', '<H'),
('remainder', '_'),
)
licenseStates = {
0 : "Unlicensed",
1 : "Activated",
2 : "Grace Period",
3 : "Out-of-Tolerance Grace Period",
4 : "Non-Genuine Grace Period",
5 : "Notifications Mode",
6 : "Extended Grace Period",
}
licenseStatesEnum = {
'unlicensed' : 0,
'licensed' : 1,
'oobGrace' : 2,
'ootGrace' : 3,
'nonGenuineGrace' : 4,
'notification' : 5,
'extendedGrace' : 6
}
def getPadding(self, bodyLength):
## https://forums.mydigitallife.info/threads/71213-Source-C-KMS-Server-from-Microsoft-Toolkit?p=1277542&viewfull=1#post1277542
return 4 + (((~bodyLength & 3) + 1) & 3)
def serverLogic(self, kmsRequest):
pretty_printer(num_text = 15, where = "srv")
kmsRequest = byterize(kmsRequest)
loggersrv.debug("KMS Request Bytes: \n%s\n" % justify(deco(binascii.b2a_hex(enco(str(kmsRequest), 'latin-1')), 'latin-1')))
loggersrv.debug("KMS Request: \n%s\n" % justify(kmsRequest.dump(print_to_stdout = False)))
clientMachineId = kmsRequest['clientMachineId'].get()
applicationId = kmsRequest['applicationId'].get()
skuId = kmsRequest['skuId'].get()
requestDatetime = filetime_to_dt(kmsRequest['requestTime'])
# Localize the request time, if module "tzlocal" is available.
try:
from datetime import datetime
from tzlocal import get_localzone
from pytz.exceptions import UnknownTimeZoneError
try:
local_dt = datetime.fromisoformat(str(requestDatetime)).astimezone(get_localzone())
except UnknownTimeZoneError:
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Unknown time zone ! Request time not localized.{end}")
local_dt = requestDatetime
except ImportError:
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Module 'tzlocal' or 'pytz' not available ! Request time not localized.{end}")
local_dt = requestDatetime
except Exception as e:
# Just in case something else goes wrong
loggersrv.warning('Okay, something went horribly wrong while localizing the request time (proceeding anyways): ' + str(e))
local_dt = requestDatetime
pass
# Activation threshold.
# https://docs.microsoft.com/en-us/windows/deployment/volume-activation/activate-windows-10-clients-vamt
MinClients = kmsRequest['requiredClientCount']
RequiredClients = MinClients * 2
if self.srv_config["clientcount"] != None:
if 0 < self.srv_config["clientcount"] < MinClients:
# fixed to 6 (product server) or 26 (product desktop)
currentClientCount = MinClients + 1
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Not enough clients ! Fixed with %s, but activated client \
could be detected as not genuine !{end}" %currentClientCount)
elif MinClients <= self.srv_config["clientcount"] < RequiredClients:
currentClientCount = self.srv_config["clientcount"]
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}With count = %s, activated client could be detected as not genuine !{end}" %currentClientCount)
elif self.srv_config["clientcount"] >= RequiredClients:
# fixed to 10 (product server) or 50 (product desktop)
currentClientCount = RequiredClients
if self.srv_config["clientcount"] > RequiredClients:
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Too many clients ! Fixed with %s{end}" %currentClientCount)
else:
# fixed to 10 (product server) or 50 (product desktop)
currentClientCount = RequiredClients
# Get a name for SkuId, AppId.
kmsdb = kmsDB2Dict()
appName, skuName = str(applicationId), str(skuId)
appitems = kmsdb[2]
for appitem in appitems:
kmsitems = appitem['KmsItems']
for kmsitem in kmsitems:
skuitems = kmsitem['SkuItems']
for skuitem in skuitems:
try:
if uuid.UUID(skuitem['Id']) == skuId:
skuName = skuitem['DisplayName']
break
except:
skuName = skuId
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Can't find a name for this product !{end}")
try:
if uuid.UUID(appitem['Id']) == applicationId:
appName = appitem['DisplayName']
except:
appName = applicationId
pretty_printer(log_obj = loggersrv.warning,
put_text = "{reverse}{yellow}{bold}Can't find a name for this application group !{end}")
infoDict = {
"machineName" : kmsRequest.getMachineName(),
"clientMachineId" : str(clientMachineId),
"appId" : appName,
"skuId" : skuName,
"licenseStatus" : kmsRequest.getLicenseStatus(),
"requestTime" : int(time.time()),
"kmsEpid" : None
}
loggersrv.info("Machine Name: %s" % infoDict["machineName"])
loggersrv.info("Client Machine ID: %s" % infoDict["clientMachineId"])
loggersrv.info("Application ID: %s" % infoDict["appId"])
loggersrv.info("SKU ID: %s" % infoDict["skuId"])
loggersrv.info("License Status: %s" % infoDict["licenseStatus"])
loggersrv.info("Request Time: %s" % local_dt.strftime('%Y-%m-%d %H:%M:%S %Z (UTC%z)'))
if self.srv_config['loglevel'] == 'MININFO':
loggersrv.mininfo("", extra = {'host': str(self.srv_config['raddr']),
'status' : infoDict["licenseStatus"],
'product' : infoDict["skuId"]})
# Create database.
if self.srv_config['sqlite']:
sql_initialize(self.srv_config['sqlite'])
sql_update(self.srv_config['sqlite'], infoDict)
return self.createKmsResponse(kmsRequest, currentClientCount, appName)
def createKmsResponse(self, kmsRequest, currentClientCount, appName):
response = self.kmsResponseStruct()
response['versionMinor'] = kmsRequest['versionMinor']
response['versionMajor'] = kmsRequest['versionMajor']
if not self.srv_config["epid"]:
response["kmsEpid"] = epidGenerator(kmsRequest['kmsCountedId'].get(), kmsRequest['versionMajor'],
self.srv_config["lcid"]).encode('utf-16le')
else:
response["kmsEpid"] = self.srv_config["epid"].encode('utf-16le')
response['clientMachineId'] = kmsRequest['clientMachineId']
# rule: timeserver - 4h <= timeclient <= timeserver + 4h, check if is satisfied (TODO).
response['responseTime'] = kmsRequest['requestTime']
response['currentClientCount'] = currentClientCount
response['vLActivationInterval'] = self.srv_config["activation"]
response['vLRenewalInterval'] = self.srv_config["renewal"]
# Update database epid.
if self.srv_config['sqlite']:
sql_update_epid(self.srv_config['sqlite'], kmsRequest, response, appName)
loggersrv.info("Server ePID: %s" % response["kmsEpid"].decode('utf-16le'))
return response
import pykms_RequestV4, pykms_RequestV5, pykms_RequestV6, pykms_RequestUnknown
def generateKmsResponseData(data, srv_config):
version = kmsBase.GenericRequestHeader(data)['versionMajor']
currentDate = time.strftime("%a %b %d %H:%M:%S %Y")
if version == 4:
loggersrv.info("Received V%d request on %s." % (version, currentDate))
messagehandler = pykms_RequestV4.kmsRequestV4(data, srv_config)
elif version == 5:
loggersrv.info("Received V%d request on %s." % (version, currentDate))
messagehandler = pykms_RequestV5.kmsRequestV5(data, srv_config)
elif version == 6:
loggersrv.info("Received V%d request on %s." % (version, currentDate))
messagehandler = pykms_RequestV6.kmsRequestV6(data, srv_config)
else:
loggersrv.info("Unhandled KMS version V%d." % version)
messagehandler = pykms_RequestUnknown.kmsRequestUnknown(data, srv_config)
return messagehandler.executeRequestLogic()