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Merge pull request #22 from Alsum/set-time

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adding set-time func
This commit is contained in:
Fanani M. Ihsan 2018-10-30 08:30:45 +07:00 committed by GitHub
commit 7a8a847ae0
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1 changed files with 57 additions and 2 deletions
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59
zk/base.py
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@ -10,17 +10,17 @@ from zk.user import User
class ZK(object):
is_connect = False
__data_recv = None
__sesion_id = 0
__reply_id = 0
def __init__(self, ip, port=4370, timeout=60):
def __init__(self, ip, port=4370, timeout=60,password=0):
self.__address = (ip, port)
self.__sock = socket(AF_INET, SOCK_DGRAM)
self.__sock.settimeout(timeout)
self.__password = password
def __create_header(self, command, command_string, checksum, session_id, reply_id):
'''
@ -146,6 +146,11 @@ class ZK(object):
response_size = 8
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
self.__sesion_id = unpack('HHHH', self.__data_recv[:8])[2]
if cmd_response.get('code') == const.CMD_ACK_UNAUTH:
command_string = make_commkey(self.__password, self.__sesion_id)
cmd_response = self.__send_command(const.CMD_AUTH, command_string, checksum, self.__sesion_id,
self.__reply_id, response_size)
if cmd_response.get('status'):
self.is_connect = True
# set the session id
@ -514,3 +519,53 @@ class ZK(object):
return True
else:
raise ZKErrorResponse("Invalid response")
def set_time(self, time):
"""Set the time on the machine"""
command = const.CMD_SET_TIME
command_string = ''
response_size = 8
chksum = 0
session_id = self.__sesion_id
reply_id = self.__reply_id
cmd_response = self.__send_command(command,command_string, chksum, session_id, reply_id, response_size)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("Invalid response")
def make_commkey(key, session_id, ticks=50):
"""take a password and session_id and scramble them to send to the time
clock.
copied from commpro.c - MakeKey"""
key = int(key)
session_id = int(session_id)
k = 0
for i in range(32):
if (key & (1 << i)):
k = (k << 1 | 1)
else:
k = k << 1
k += session_id
k = pack(b'I', k)
k = unpack(b'BBBB', k)
k = pack(
b'BBBB',
k[0] ^ ord('Z'),
k[1] ^ ord('K'),
k[2] ^ ord('S'),
k[3] ^ ord('O'))
k = unpack(b'HH', k)
k = pack(b'HH', k[1], k[0])
B = 0xff & ticks
k = unpack(b'BBBB', k)
k = pack(
b'BBBB',
k[0] ^ B,
k[1] ^ B,
B,
k[3] ^ B)
return k