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- #!/usr/bin/env python
- # -*- coding: utf-8 -*-
- import socket, struct, time
- from hashlib import md5
- import sys
- import os
- import random
- # CONFIG
- server = "192.168.100.150"
- username = ""
- password = ""
- host_name = "LIYUANYUAN"
- host_os = "8089D"
- host_ip = "10.30.22.17"
- PRIMARY_DNS = "114.114.114.114"
- dhcp_server = "0.0.0.0"
- mac = 0xb888e3051680
- CONTROLCHECKSTATUS = '\x20'
- ADAPTERNUM = '\x01'
- KEEP_ALIVE_VERSION = '\xdc\x02'
- AUTH_VERSION = '\x0a\x00'
- IPDOG = '\x01'
- # CONFIG_END
- nic_name = '' #Indicate your nic, e.g. 'eth0.2'.nic_name
- bind_ip = '0.0.0.0'
- class ChallengeException (Exception):
- def __init__(self):
- pass
- class LoginException (Exception):
- def __init__(self):
- pass
- def bind_nic():
- try:
- import fcntl
- def get_ip_address(ifname):
- s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
- return socket.inet_ntoa(fcntl.ioctl(
- s.fileno(),
- 0x8915, # SIOCGIFADDR
- struct.pack('256s', ifname[:15])
- )[20:24])
- return get_ip_address(nic_name)
- except ImportError as e:
- print('Indicate nic feature need to be run under Unix based system.')
- return '0.0.0.0'
- except IOError as e:
- print(nic_name + 'is unacceptable !')
- return '0.0.0.0'
- finally:
- return '0.0.0.0'
- if nic_name != '':
- bind_ip = bind_nic()
- s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
- # s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
- s.bind((bind_ip, 61440))
- s.settimeout(3)
- SALT = ''
- IS_TEST = True
- # specified fields based on version
- CONF = "/etc/drcom.conf"
- UNLIMITED_RETRY = True
- EXCEPTION = False
- DEBUG = False #log saves to file
- LOG_PATH = '/var/log/drcom_client.log'
- if IS_TEST:
- DEBUG = True
- LOG_PATH = 'drcom_client.log'
- def log(*args, **kwargs):
- s = ' '.join(args)
- print s
- if DEBUG:
- with open(LOG_PATH,'a') as f:
- f.write(s + '\n')
- def challenge(svr,ran):
- while True:
- t = struct.pack("<H", int(ran)%(0xFFFF))
- s.sendto("\x01\x02"+t+"\x09"+"\x00"*15, (svr, 61440))
- try:
- data, address = s.recvfrom(1024)
- log('[challenge] recv',data.encode('hex'))
- except:
- log('[challenge] timeout, retrying...')
- continue
- if address == (svr, 61440):
- break
- else:
- continue
- log('[DEBUG] challenge:\n' + data.encode('hex'))
- if data[0] != '\x02':
- raise ChallengeException
- log('[challenge] challenge packet sent.')
- return data[4:8]
- def md5sum(s):
- m = md5()
- m.update(s)
- return m.digest()
- def dump(n):
- s = '%x' % n
- if len(s) & 1:
- s = '0' + s
- return s.decode('hex')
- def ror(md5, pwd):
- ret = ''
- for i in range(len(pwd)):
- x = ord(md5[i]) ^ ord(pwd[i])
- ret += chr(((x<<3)&0xFF) + (x>>5))
- return ret
- def keep_alive_package_builder(number,random,tail,type=1,first=False):
- data = '\x07'+ chr(number) + '\x28\x00\x0b' + chr(type)
- if first :
- data += '\x0f\x27'
- else:
- data += KEEP_ALIVE_VERSION
- data += '\x2f\x12' + '\x00' * 6
- data += tail
- data += '\x00' * 4
- #data += struct.pack("!H",0xdc02)
- if type == 3:
- foo = ''.join([chr(int(i)) for i in host_ip.split('.')]) # host_ip
- #CRC
- # edited on 2014/5/12, filled zeros to checksum
- # crc = packet_CRC(data+foo)
- crc = '\x00' * 4
- #data += struct.pack("!I",crc) + foo + '\x00' * 8
- data += crc + foo + '\x00' * 8
- else: #packet type = 1
- data += '\x00' * 16
- return data
- # def packet_CRC(s):
- # ret = 0
- # for i in re.findall('..', s):
- # ret ^= struct.unpack('>h', i)[0]
- # ret &= 0xFFFF
- # ret = ret * 0x2c7
- # return ret
- def keep_alive2(*args):
- #first keep_alive:
- #number = number (mod 7)
- #status = 1: first packet user sended
- # 2: first packet user recieved
- # 3: 2nd packet user sended
- # 4: 2nd packet user recieved
- # Codes for test
- tail = ''
- packet = ''
- svr = server
- ran = random.randint(0,0xFFFF)
- ran += random.randint(1,10)
- # 2014/10/15 add by latyas, maybe svr sends back a file packet
- svr_num = 0
- packet = keep_alive_package_builder(svr_num,dump(ran),'\x00'*4,1,True)
- while True:
- log('[keep-alive2] send1',packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- data, address = s.recvfrom(1024)
- log('[keep-alive2] recv1',data.encode('hex'))
- if data.startswith('\x07\x00\x28\x00') or data.startswith('\x07' + chr(svr_num) + '\x28\x00'):
- break
- elif data[0] == '\x07' and data[2] == '\x10':
- log('[keep-alive2] recv file, resending..')
- svr_num = svr_num + 1
- packet = keep_alive_package_builder(svr_num,dump(ran),'\x00'*4,1, False)
- else:
- log('[keep-alive2] recv1/unexpected',data.encode('hex'))
- #log('[keep-alive2] recv1',data.encode('hex'))
- ran += random.randint(1,10)
- packet = keep_alive_package_builder(svr_num, dump(ran),'\x00'*4,1,False)
- log('[keep-alive2] send2',packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- while True:
- data, address = s.recvfrom(1024)
- if data[0] == '\x07':
- svr_num = svr_num + 1
- break
- else:
- log('[keep-alive2] recv2/unexpected',data.encode('hex'))
- log('[keep-alive2] recv2',data.encode('hex'))
- tail = data[16:20]
- ran += random.randint(1,10)
- packet = keep_alive_package_builder(svr_num,dump(ran),tail,3,False)
- log('[keep-alive2] send3',packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- while True:
- data, address = s.recvfrom(1024)
- if data[0] == '\x07':
- svr_num = svr_num + 1
- break
- else:
- log('[keep-alive2] recv3/unexpected',data.encode('hex'))
- log('[keep-alive2] recv3',data.encode('hex'))
- tail = data[16:20]
- log("[keep-alive2] keep-alive2 loop was in daemon.")
- i = svr_num
- while True:
- try:
- ran += random.randint(1,10)
- packet = keep_alive_package_builder(i,dump(ran),tail,1,False)
- #log('DEBUG: keep_alive2,packet 4\n',packet.encode('hex'))
- log('[keep_alive2] send',str(i),packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- data, address = s.recvfrom(1024)
- log('[keep_alive2] recv',data.encode('hex'))
- tail = data[16:20]
- #log('DEBUG: keep_alive2,packet 4 return\n',data.encode('hex'))
- ran += random.randint(1,10)
- packet = keep_alive_package_builder(i+1,dump(ran),tail,3,False)
- #log('DEBUG: keep_alive2,packet 5\n',packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- log('[keep_alive2] send',str(i+1),packet.encode('hex'))
- data, address = s.recvfrom(1024)
- log('[keep_alive2] recv',data.encode('hex'))
- tail = data[16:20]
- #log('DEBUG: keep_alive2,packet 5 return\n',data.encode('hex'))
- i = (i+2) % 0xFF
- time.sleep(20)
- keep_alive1(*args)
- except:
- pass
- import re
- def checksum(s):
- ret = 1234
- for i in re.findall('....', s):
- ret ^= int(i[::-1].encode('hex'), 16)
- ret = (1968 * ret) & 0xffffffff
- return struct.pack('<I', ret)
- def mkpkt(salt, usr, pwd, mac):
- data = '\x03\x01\x00'+chr(len(usr)+20)
- data += md5sum('\x03\x01'+salt+pwd)
- data += usr.ljust(36, '\x00')
- data += CONTROLCHECKSTATUS
- data += ADAPTERNUM
- data += dump(int(data[4:10].encode('hex'),16)^mac).rjust(6,'\x00') #mac xor md51
- data += md5sum("\x01" + pwd + salt + '\x00'*4) #md52
- data += '\x01' # number of ip
- data += ''.join([chr(int(i)) for i in host_ip.split('.')]) # x.x.x.x ->
- data += ''.join([chr(int(i)) for i in '192.168.211.1'.split('.')]) # your ipaddress 2
- data += ''.join([chr(int(i)) for i in '192.168.191.1'.split('.')]) # your ipaddress 3
- data += ''.join([chr(int(i)) for i in '192.168.92.1'.split('.')]) # your ipaddress 4
- data += md5sum(data + '\x14\x00\x07\x0b')[:8] #md53
- data += IPDOG
- data += '\x00'*4 # delimeter
- data += host_name.ljust(32, '\x00')
- data += ''.join([chr(int(i)) for i in PRIMARY_DNS.split('.')]) # primary dns
- data += ''.join([chr(int(i)) for i in dhcp_server.split('.')]) # DHCP server
- data += ''.join([chr(int(i)) for i in '202.100.192.68'.split('.')]) # secondary dns:0.0.0.0
- data += '\x00' * 8 # delimeter
- data += '\x94\x00\x00\x00' # OS Version InfoSize
- data += '\x06\x00\x00\x00' # OS major
- data += '\x02\x00\x00\x00' # OS minor
- data += '\xf0\x23\x00\x00' # OS build
- data += '\x02\x00\x00\x00' # Platform ID
- data += '\x44\x72\x43\x4f\x4d\x00\xcf\x07\x26'
- data += '\x00' * 55
- data += '\x64\x63\x35\x65\x66\x32\x30\x37\x61\x62\x65\x65\x65\x65\x30\x33\x30\x35\x36\x31\x32\x38\x30\x63\x61\x31\x66\x31\x35\x61\x39\x62\x39\x38\x30\x37\x35\x63\x39\x63'
- data += '\x00' * 24
- data += AUTH_VERSION
- data += '\x00' + chr(len(pwd))
- data += ror(md5sum('\x03\x01' + salt + pwd), pwd)
- data += '\x02\x0c'
- data += checksum(data + '\x01\x26\x07\x11\x00\x00' + dump(mac))
- data += '\x00\x00' # delimeter
- data += dump(mac)
- data += '\x00' # auto logout / default: False
- data += '\x00' # broadcast mode / default : False
- data += '\xe4\xc7' # unknown, filled numbers randomly =w=
- log('[mkpkt]',data.encode('hex'))
- return data
- def login(usr, pwd, svr):
- import random
- global SALT
- i = 0
- while True:
- salt = challenge(svr,time.time()+random.randint(0xF,0xFF))
- SALT = salt
- packet = mkpkt(salt, usr, pwd, mac)
- log('[login] send',packet.encode('hex'))
- s.sendto(packet, (svr, 61440))
- data, address = s.recvfrom(1024)
- log('[login] recv',data.encode('hex'))
- log('[login] packet sent.')
- if address == (svr, 61440):
- if data[0] == '\x04':
- log('[login] loged in')
- break
- else:
- log('[login] login failed.')
- if IS_TEST:
- time.sleep(3)
- else:
- time.sleep(30)
- continue
- else:
- if i >= 5 and UNLIMITED_RETRY == False :
- log('[login] exception occured.')
- sys.exit(1)
- else:
- continue
- log('[login] login sent')
- #0.8 changed:
- return data[23:39]
- #return data[-22:-6]
- def keep_alive1(salt,tail,pwd,svr):
- foo = struct.pack('!H',int(time.time())%0xFFFF)
- data = '\xff' + md5sum('\x03\x01'+salt+pwd) + '\x00\x00\x00'
- data += tail
- data += foo + '\x00\x00\x00\x00'
- log('[keep_alive1] send',data.encode('hex'))
- s.sendto(data, (svr, 61440))
- while True:
- data, address = s.recvfrom(1024)
- if data[0] == '\x07':
- break
- else:
- log('[keep-alive1]recv/not expected',data.encode('hex'))
- log('[keep-alive1] recv',data.encode('hex'))
- def empty_socket_buffer():
- #empty buffer for some fucking schools
- log('starting to empty socket buffer')
- try:
- while True:
- data, address = s.recvfrom(1024)
- log('recived sth unexpected',data.encode('hex'))
- if s == '':
- break
- except:
- # get exception means it has done.
- log('exception in empty_socket_buffer')
- pass
- log('emptyed')
- def daemon():
- with open('/var/run/jludrcom.pid','w') as f:
- f.write(str(os.getpid()))
- def main():
- if not IS_TEST:
- daemon()
- execfile(CONF, globals())
- log("auth svr:"+server+"\nusername:"+username+"\npassword:"+password+"\nmac:"+str(hex(mac)))
- log(bind_ip)
- while True:
- try:
- package_tail = login(username, password, server)
- except LoginException:
- continue
- log('package_tail',package_tail.encode('hex'))
- #keep_alive1 is fucking bullshit!
- empty_socket_buffer()
- keep_alive1(SALT,package_tail,password,server)
- keep_alive2(SALT,package_tail,password,server)
- if __name__ == "__main__":
- main()
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