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from struct import pack, unpack
from .zkconst import *
def getSizeUser(self):
"""Checks a returned packet to see if it returned CMD_PREPARE_DATA,
indicating that data packets are to be sent
Returns the amount of bytes that are going to be sent"""
command = unpack('HHHH', self.data_recv[:8])[0]
if command == CMD_PREPARE_DATA:
size = unpack('I', self.data_recv[8:12])[0]
return size
else:
return False
def zksetuser(self, uid, userid, name, password, role):
"""Start a connection with the time clock"""
command = CMD_SET_USER
command_string = pack('sxs8s28ss7sx8s16s', chr( uid ), chr(role), password, name, chr(1), '', userid, '' )
chksum = 0
session_id = self.session_id
reply_id = unpack('HHHH', self.data_recv[:8])[3]
buf = self.createHeader(command, chksum, session_id,
reply_id, command_string)
self.zkclient.sendto(buf, self.address)
#print buf.encode("hex")
try:
self.data_recv, addr = self.zkclient.recvfrom(1024)
self.session_id = unpack('HHHH', self.data_recv[:8])[2]
return self.data_recv[8:]
except:
return False
def zkgetuser(self):
"""Start a connection with the time clock"""
command = CMD_USERTEMP_RRQ
command_string = '\x05'
chksum = 0
session_id = self.session_id
reply_id = unpack('HHHH', self.data_recv[:8])[3]
buf = self.createHeader(command, chksum, session_id,
reply_id, command_string)
self.zkclient.sendto(buf, self.address)
#print buf.encode("hex")
try:
self.data_recv, addr = self.zkclient.recvfrom(1024)
if getSizeUser(self):
bytes = getSizeUser(self)
while bytes > 0:
data_recv, addr = self.zkclient.recvfrom(1032)
self.userdata.append(data_recv)
bytes -= 1024
self.session_id = unpack('HHHH', self.data_recv[:8])[2]
data_recv = self.zkclient.recvfrom(8)
users = {}
if len(self.userdata) > 0:
# The first 4 bytes don't seem to be related to the user
for x in range(len(self.userdata)):
if x > 0:
self.userdata[x] = self.userdata[x][8:]
userdata = ''.join( self.userdata )
userdata = userdata[11:]
while len(userdata) > 72:
uid, role, password, name, userid = unpack( '2s2s8s28sx31s', userdata.ljust(72)[:72] )
uid = int( uid.encode("hex"), 16)
# Clean up some messy characters from the user name
password = password.split('\x00', 1)[0]
password = unicode(password.strip('\x00|\x01\x10x'), errors='ignore')
#uid = uid.split('\x00', 1)[0]
userid = unicode(userid.strip('\x00|\x01\x10x'), errors='ignore')
name = name.split('\x00', 1)[0]
if name.strip() == "":
name = uid
users[uid] = (userid, name, int( role.encode("hex"), 16 ), password)
#print("%d, %s, %s, %s, %s" % (uid, userid, name, int( role.encode("hex"), 16 ), password))
userdata = userdata[72:]
return users
except:
return False
def zkclearuser(self):
"""Start a connection with the time clock"""
command = CMD_CLEAR_DATA
command_string = ''
chksum = 0
session_id = self.session_id
reply_id = unpack('HHHH', self.data_recv[:8])[3]
buf = self.createHeader(command, chksum, session_id,
reply_id, command_string)
self.zkclient.sendto(buf, self.address)
#print buf.encode("hex")
try:
self.data_recv, addr = self.zkclient.recvfrom(1024)
self.session_id = unpack('HHHH', self.data_recv[:8])[2]
return self.data_recv[8:]
except:
return False
def zkclearadmin(self):
"""Start a connection with the time clock"""
command = CMD_CLEAR_ADMIN
command_string = ''
chksum = 0
session_id = self.session_id
reply_id = unpack('HHHH', self.data_recv[:8])[3]
buf = self.createHeader(command, chksum, session_id,
reply_id, command_string)
self.zkclient.sendto(buf, self.address)
#print buf.encode("hex")
try:
self.data_recv, addr = self.zkclient.recvfrom(1024)
self.session_id = unpack('HHHH', self.data_recv[:8])[2]
return self.data_recv[8:]
except:
return False