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slingbox_server.py
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slingbox_server.py
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import sys
try:
assert sys.version_info >= (3,5)
except:
print('This program requires Python version 3.4 or higher.')
exit(100)
import os
import socket
import sys
import time
import select
import queue
import re
from threading import Thread, get_ident
import platform
import datetime
import traceback
import ipaddress
from struct import pack, unpack, calcsize
from configparser import ConfigParser
from ctypes import *
version='3.08d'
def encipher(v, k):
y = c_uint32(v[0])
z = c_uint32(v[1])
sum = c_uint32(0)
delta = 0x61C88647
n = 32
w = [0,0]
while(n>0):
sum.value -= delta
y.value += ( z.value << 4 ) + k[0] ^ z.value + sum.value ^ ( z.value >> 5 ) + k[1]
z.value += ( y.value << 4 ) + k[2] ^ y.value + sum.value ^ ( y.value >> 5 ) + k[3]
n -= 1
w[0] = y.value
w[1] = z.value
return w
def decipher(v, k):
y = c_uint32(v[0])
z = c_uint32(v[1])
sum = c_uint32(0xc6ef3720)
delta = 0x9e3779b9
n = 32
w = [0,0]
while(n>0):
z.value -= ( y.value << 4 ) + k[2] ^ y.value + sum.value ^ ( y.value >> 5 ) + k[3]
y.value -= ( z.value << 4 ) + k[0] ^ z.value + sum.value ^ ( z.value >> 5 ) + k[1]
sum.value -= delta
n -= 1
w[0] = y.value
w[1] = z.value
return w
def Crypt( data, key ):
bytes = b''
info = [int.from_bytes(data[i:i+4],byteorder='little') for i in range(0, len(data), 4)]
for i in range(0, len(info), 2):
chunk = [info[i], info[i+1]]
ciphertext = encipher(chunk, key)
bytes = bytes + ciphertext[0].to_bytes(4, byteorder='little') + ciphertext[1].to_bytes(4, byteorder='little')
return bytes
def Decrypt( data, key ):
bytes = b''
info = [int.from_bytes(data[i:i+4],byteorder='little') for i in range(0, len(data), 4)]
for i in range(0, len(info), 2):
chunk = [info[i], info[i+1]]
cleartext = decipher(chunk, key)
bytes = bytes + cleartext[0].to_bytes(4, byteorder='little') + cleartext[1].to_bytes(4, byteorder='little')
return bytes
def ts():
return '%s ' % datetime.datetime.now().strftime("%m/%d/%Y, %H:%M:%S.%f").rstrip('0')[:-3]
def pbuf(s):
s = ''.join('{:02x} '.format(x) for x in s).upper()
cnt = 0
out = ''
for i in range(0, len(s), 48):
ss = s[i:i+48].strip()
# print( "%06d" % (cnt,), ss )
out = out + "%06d " % (cnt,) + ss + '\r\n'
cnt += 16
return out
def find_slingbox_info(name):
import netifaces
def ip4_addresses():
ips = []
interfaces = netifaces.interfaces()
for interface in interfaces:
addresses = netifaces.ifaddresses(interface)
for address in addresses:
info = addresses[address][0]
if 'broadcast' in info:
ips.append((info['addr'],info['broadcast']))
return ips
boxes = []
query = [0x01, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
ip = ''
port = 0
boxes = []
print(name, 'No valid slingbox ip info found in config.ini')
for local_ip, broadcast in ip4_addresses():
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
s.settimeout(2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
print('Finding Slingbox on local network. My IP Info = ', local_ip)
try:
s.bind((local_ip, 0))
except Exception as e:
print('Error binding socket to send broadcast', e )
return []
s.sendto( bytearray(query), (broadcast, 5004 ))
while True:
try:
msg, source = s.recvfrom(128)
# print('MSG', len(msg), source, pbuf(msg))
if len(msg) == 124 :
port = msg[121] * 256 + msg[120]
name = ''
for char in msg[ 56:120]:
if char != 0: name = name + chr(char)
finderid = ''.join('{:02x}'.format(x) for x in msg[40:56])
print('Slingbox Found', source[0], port, '"',name, '"',
'FinderID', finderid.upper())
boxes.append((source[0], port, name))
except Exception as e:
# print(e, traceback.print_exc())
break
return boxes
def closeconn( s ):
if s :
# print('Closing Connection')
try:
s.shutdown(socket.SHUT_RDWR)
except: pass
s.close()
return None
def register_slingboxes():
global finderids
def ping(addr):
try:
# print('Pinging', addr)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(addr)
s.sendall(b'PINGER')
# print('Good PING', addr)
return True
except Exception as e:
print(ts(), 'PING failure', addr, e)
return False
def get_external_ip():
my_ip = ''
while not my_ip: # wait for an IPADDRESS
print('Getting external IP address')
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(10)
s.connect(redirector)
s.sendall(b'IPADDRESS')
my_ip = s.recv(512).decode("utf-8")
s.close()
except:
print('Register: Error Getting External IP Address, Retrying in 10 minutes')
s.close()
time.sleep(600)
my_ip = ''
print('Redirector, my external IP address', my_ip)
return my_ip
###############################################
redirector = ('sbfinder.dazoo.net', 54321 )
fail_count = 0
while True:
print(ts(), 'Registering Slingboxes', finderids)
my_ip = get_external_ip()
message = ''
good_ping_addr = ''
for id,port in finderids.items():
pingaddr = (my_ip, port)
if ping(pingaddr):
good_ping_addr = pingaddr
message = message + id + ':' + str(port) + '\r\n'
if message :
try:
print('Registering', message )
message = 'REGISTER\r\n' + message
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(10)
s.connect(redirector)
s.sendall( bytes(message, 'utf-8'))
resp = s.recv(512)
s.close()
except:
print('Error connecting to cloud server retrying in 10 minutes', redirector)
s.close()
time.sleep(600)
continue
else:
print('No working external portmaps. Not registering slingboxes')
fail_count = fail_count + 1
if fail_count > 3 :
print('''!!!!!! No open ports or bad port maps on router or missing firewall rules !!!!!
No external access is possible. Giving up''')
return
print('Retry', fail_count, 'in 10 minutes')
time.sleep(600)
continue
if resp != b'OK' :
print('Not OK, pausing 10 minutes')
time.sleep(600)
continue
else:
print('Register Successful')
## Starting pinging every minute until failure (External IP address change or could be a messed up Portmap on the router.
fail_count = 0
while fail_count < 3:
if good_ping_addr :
if ping(good_ping_addr):
fail_count = 0
else :
fail_count = fail_count + 1
good_ping_addr = ''
time.sleep(60)
else:
print('Finding a good ping port')
for port in finderids.values(): # Find a working port
pingaddr = (my_ip, port)
if ping(pingaddr):
good_ping_addr = pingaddr
print('Pinger, Found good port', good_ping_addr)
break
if good_ping_addr :
time.sleep(60)
continue
else: break
if not good_ping_addr :
print('Ping failed on all ports. External IP address changed?')
new_ip = get_external_ip()
if new_ip == my_ip :
print('''!!!!!! No open ports or bad port maps on router or missing firewall rules !!!!!
No external access is possible. Giving up''')
return
def find_max_buffer_size( opt ):
size = 1024*1024*8
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
while size > 0 :
try:
# print( 'trying', size )
sock.setsockopt(socket.SOL_SOCKET, opt, size )
break
except :
size = size - (1024*1024)
continue
if size < 1024*1024*8 :
print('Warning TCP buffering might not be sufficent for reliable streaming')
return size
def streamer(maxstreams, config_fn, section_name, box_name, streamer_q, server_port):
global streamer_qs, stati, num_streams
smode = 0x2000 # basic cipher mode,
sid = 0
seq = 0
tbd = 0
dco = b''
bco = 0
bts = 0
s_ctl = None
stream = None
dbuf = None
skey = None
stat = 0
rccode = 0
streams = []
stream_header = None
max_recv_tcp_buffer = find_max_buffer_size(socket.SO_RCVBUF)
def new_key( sid, rand, challange ):
def bits2bytes(bits):
def abyte( b ):
n = 0
for abit in b[::-1]:
n = (n << 1) + abit
return n
ba = bytearray()
for i in range(0,len(bits), 8 ):
ba.append(abyte(bits[i:i+8]))
return ba
def xor( b1, b2 ):
br = bytearray()
l = len(b2)
for i in range(0,l):
br.append( b1[i] ^ b2[i])
return br + b1[l:]
def dynk( rand, sid, a, b ): # hash function for dynamic key
def p(ba): # make string from bits
z = ord('0')
out = ''
for b in ba : out = out + chr(z+b)
return out
def bytes2bits( buf ):
t = ''
for b in buf:
t = t + '{:08b}'.format(b)[::-1]
ba = bytearray()
for c in t:
ba.append( ord(c) & 1 )
return ba
#******************************
t = bytes2bits(rand)
s = bytes2bits(pack('H', sid ))
td = [a, b]
v = bytearray()
for i in range(1,17):
r = i * td[((sid >> (i - 1)) & 1)]
z = t[r:] + t[0:r]
t = xor(z,s)
v = xor(t, v)
return v
# rand = bytearray.fromhex('feedfacedeadbeef1111222233334444')
# c = bytearray.fromhex( challange )
my_key = xor( dynk(rand, sid, 2, 3), dynk(challange, sid, -1, -4))
# print( 'SKEY', pbuf(bits2bytes(my_key)) )
return list(unpack('IIII', bits2bytes(my_key)))
def futf16(in_str):
out_str = ''
for c in in_str: out_str = out_str + c + chr(0)
return bytes(out_str, 'utf-8')
def sling_cmd( opcode, data, msg_type=0x0101 ):
nonlocal sid, seq, s_ctl, dbuf, skey, stat, smode
parity = 0
if smode == 0x8000 :
for x in data:
parity ^= x
# print( 'Sending to Slingbox ', hex(opcode), hex(parity), '\r\n')
seq += 1
try:
cmd = pack("<HHHHH 6x HH 4x H 6x", msg_type, sid, opcode, 0, seq, len(data), smode, parity) + Crypt(data, skey)
s_ctl.sendall( cmd )
except Exception as e:
print('EXCEPTION', e, hex(msg_type), sid, hex(opcode), 0, seq, len(data), hex(smode), hex(parity))
exit(1)
if opcode == 0x66 : return
response = s_ctl.recv(32)
sid, stat, dlen = unpack("2x H 8x H 2x H", response[0:18] ) # "x2 v x8 v x2 v", $hbuf);
# print( 'Sent to Slingbox ', hex(opcode), hex(parity), hex(len(data)))
# print( 'Received from Slingbox', sid, hex(stat), dlen )
# print('RESP', pbuf(response))
if opcode == 0x68 : return # ignore logout errors
if stat & stat != 0x0d & stat != 0x13 :
print( "cmd:", hex(opcode), "err:", hex(stat), dlen )
if dlen > 0 :
in_buf = s_ctl.recv( 512 )
dbuf = Decrypt(in_buf, skey)
# print('DBUF', hex(opcode), pbuf(dbuf))
def sling_open(addr, connection_type):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, max_recv_tcp_buffer)
print('Connecting...', addr, connection_type )
s.connect(addr)
s.sendall(str.encode('GET /stream.asf HTTP/1.1\r\nAccept: */*\r\nPragma: Sling-Connection-Type=%s, Session-Id=%d\r\n\r\n' % (connection_type, sid)))
return s
def SetVideoParameters(resolution, FrameRate, VideoBandwidth, VideoSmoothness, IframeRate, AudioBitRate ):
rand = bytearray.fromhex('feedfacedeadbeef1111222233334444') # 'random' challenge
print('VideoParameters: Resolution=',resolution, 'FrameRate=', FrameRate,
'VideoBandwidth=', VideoBandwidth, 'VideoSmoothness=', VideoSmoothness,
'IframeRate=', IframeRate, 'AudioBitRate=', AudioBitRate)
try:
sling_cmd(0xb5, pack("11I 16s 2I 92x",
0xff,
0xff,
resolution, # Screen Size
1,
(IframeRate << 24 ) + (FrameRate << 16) + VideoBandwidth,
0x10001 + (VideoSmoothness << 8), #Video Smoothness
3, #fixed
1, #fixed
AudioBitRate,
# 3,
0x4f,
1,
rand,
0x1012020,
1)); # set stream params
except:
print('Slingbox returned error trying to set video parameters')
print('Please validate parameters.')
return False
return True
def start_slingbox_session(streams):
nonlocal stream_header, sid, seq, s_ctl, dbuf, skey, stat, smode
global stati, num_streams
skey = [0xBCDEAAAA,0x87FBBBBA,0x7CCCCFFA,0xDDDDAABC]
# print('skey', skey )
smode = 0x2000 # basic cipher mode,
sid = seq = 0 # no session ID, seq 0
# print(name, 'Opening Control stream', hex(smode), sid, seq)
s_ctl = sling_open(sling_net_address, 'Control') # open control connection to SB
sling_cmd(0x67, pack('I 32s 32s 132x', 0, futf16('admin'), futf16(password))) # log in to SB
rand = bytearray.fromhex('feedfacedeadbeef1111222233334444') # 'random' challenge
try:
sling_cmd(0xc6, pack('I 16s 36x', 1, rand)) # setup dynamic key on SB
except:
print(name,'Error Starting Session. Check your admin password in config.ini file!')
return s_ctl, None
skey = new_key(sid, rand, dbuf[0:16])
# print('New Key ', skey)
smode = 0x8000 # use dynamic key from now on
try:
sling_cmd(0x7e, pack("I I", 1, 0)) # stream control
except:
print(name,'Error with new encryption keys.')
return (s_ctl,None)
while stat:
print(name,'Box in use! Kicking off other user.' )
stati[server_port] = name + ' Slingbox in Use! Cannot start session, kicking off other user..'
sling_cmd(0x93, pack('32s 32s 8x', futf16('admin'), futf16(password)))
time.sleep(1)
sling_cmd(0x6a, pack("I 172x", 1)); # unk fn
sling_cmd(0x7e, pack("I I", 1, 0)) # stream control
## Select input
if VideoSource :
print(name,'Selecting Video Source', VideoSource)
source = int(VideoSource)
try:
sling_cmd(0x85, pack('4h', source, 0, 0, 0 ))
except:
print('Error trying to set VideoSource. Please make sure the supplied value is valid for your slingbox model')
return ( s_ctl, None )
sling_cmd( 0x86, pack("h 254x", 0x0400 + source )) # Get Key Codes
if len(dbuf) > 1 :
i = 1
codes = []
while dbuf[i] != 0 and i < len(dbuf):
codes.append(dbuf[i])
i += 1
codes.sort()
print('Keycodes=', codes)
sling_cmd(0xa6, pack("10h 76x", 0x1cf, 0, 0x40, 0x10, 0x5000, 0x180, 1, 0x1e, 0, 0x3d))
if not SetVideoParameters(resolution, FrameRate, VideoBandwidth, VideoSmoothness, IframeRate, AudioBitRate ) :
return (s_ctl,None)
stream = sling_open(sling_net_address, 'Stream')
first_buffer = bytearray(stream.recv(pksize, socket.MSG_PEEK))
# print( 'FIRST', type(first_buffer), pbuf(first_buffer))
h264_header = b'\x36\x26\xb2\x75\x8e\x66\xcf\x11\xa6\xd9\x00\xaa\x00\x62\xce\x6c'
h264_header_pos = first_buffer.find( h264_header ) + 50
# print( 'h246_header_pos', h264_header_pos, len( first_buffer ))
if Solo:
tbd = 0
audio_header = b'\x91\x07\xDC\xB7\xB7\xA9\xCF\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65\x72'
audio_header_pos = first_buffer.find( audio_header ) + 0x60 # find audio hdr
first_buffer[audio_header_pos:audio_header_pos+10] = pack("H 8x", 0x9012)
if SB240:
tbd = 0
audio_header = b'\xA1\xDC\xAB\x8C\x47\xA9\xCF\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65\x68'
audio_header_pos = first_buffer.find( audio_header ) + 0x60 # find audio hdr
first_buffer[audio_header_pos:audio_header_pos+10] = pack("H 8x", 0x9012)
stream_header = first_buffer[0:h264_header_pos]
#print( 'SH', type(stream_header), pbuf(stream_header))
print(name,'Stream started at', ts(), len(stream_header), len(first_buffer[h264_header_pos:]))
for s in streams :
try:
s.sendall(stream_header)
except:
print(name, 'ERROR: Media Player closed connection immediately after receiving 200 OK')
return (s_ctl, None )
# flush header from socket
stream.recv(h264_header_pos)
return s_ctl, stream
def parse_cmd(msg):
# print('Q',msg)
if msg[0] == 0x00 :
return msg[1:].decode('utf-8').split('=')
else:
return 'IR', msg
def start_new_stream(sock):
time.sleep(1)
streams.append(sock)
def check_ip( sling_net_address ):
print('Checking for slingbox at', sling_net_address)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(2)
try:
s.connect(sling_net_address)
print(sling_net_address, 'OK')
s.close()
return True
except:
print('Error connecting to ', sling_net_address)
s.close()
return False
def public_ip(ip):
if ip == '' : return False
if ip.startswith('192.168.'): return False
if ip.startswith('10.'): return False
if ip.startswith('127.0.'): return False
if ip.startswith('172.') :
second_octet = int(ip.split('.')[1])
if second_octet > 15 and second_octet < 33 : return False
return True
def start_streaming_connection(ip):
global num_streams
if public_ip(ip) :
if num_streams == maxstreams :
print( 'Max remote streams', maxstreams, 'reached. Ignoring new streaming request')
return False
num_streams = num_streams + 1
print('Starting remote stream', num_streams )
return True
def close_streaming_connection(s):
global num_streams
if s :
if public_ip(stream_clients[s]) :
num_streams = num_streams - 1
print( num_streams, 'active remote connections')
del stream_clients[s]
streams.remove(s)
return closeconn(s)
return None
def closecontrol(s):
if s :
print( name, 'Logging Out')
if Solo: sling_cmd( 0x68, b'')
return closeconn(s)
################## START of Streamer Execution
print('Streamer Running: ', maxstreams, config_fn, section_name, box_name, server_port, max_recv_tcp_buffer)
OK = b'HTTP/1.0 200 OK\r\nContent-type: application/octet-stream\r\nCache-Control: no-cache\r\nConnection: keep-alive\r\n\r\n'
ERROR =b'HTTP/1.0 503 ERROR\r\nContent-type: application/octet-stream\r\nCache-Control: no-cache\r\nConnection: close\r\n\r\n'
stream_clients = {}
cp = ConfigParser()
cp.read(config_fn)
slinginfo = cp[section_name]
slingip = slinginfo.get('ipaddress', '' )
slingport = int(slinginfo.get('port', '5201'))
name = slinginfo.get('name', box_name )
finderid = slinginfo.get('finderid', '' )
if finderid :
# sanity checks
finderid = finderid.strip().upper().split(':')
ext_port = -1
if len(finderid) == 2:
try:
ext_port = int(finderid[1], 10)
if ext_port > 65535: raise
except:
print(name, 'ERROR: Finderid External Port must be between 0-65535')
ext_port = -1
else:
ext_port = server_port
if ext_port != -1:
try:
if (len(finderid[0]) == 32) and int(finderid[0],16):
finderids[ finderid[0]] = ext_port
else : print(name, 'ERROR: Invalid Finderid length. Must be 32 characters', finderid)
except: print(name, 'ERROR: Finderid must only contain hexadecimal characters', finderid)
bts = bco = runt = 0
sling_net_address = (slingip, slingport)
if not slingip == '' :
if not check_ip(sling_net_address): slingip = ''
if not slingip and not public_ip(sling_net_address[0]):
time.sleep(1)
boxes = find_slingbox_info(name)
if len(boxes):
if len(boxes)>1:
print("""Found more than one slingbox on the local network.
Please select the one you want to use and update the config.ini accordingly.
\n%s Giving up. Sorry..""" % name)
return
slingip = boxes[0][0]
slingport = boxes[0][1]
sling_net_address = (slingip, slingport)
if not slingip:
msg = "Can't find a slingbox on network. Please make sure it's plugged in and connected. Check config.ini"
for port in stati.keys():
stati[port] = msg
print(msg)
time.sleep(5)
print( name, 'Giving up. Sorry...')
return
def readnbytes(sock, n):
# print( 'Reading', n )
buff = b''
try:
while n > 0:
b = sock.recv(n)
buff += b
if len(b) == 0:
return b # peer socket has received a SH_WR shutdown
n -= len(b)
except:
print('Error Reading video stream')
buff = b''
return buff
def process_solo_msg( msg, sock ):
def cs( mybuf ):
sum = 0
for byte in mybuf:
sum = sum + byte
return sum
nonlocal tbd, dco, bco, pc, bts, stream_header
# print('MSG', pbuf(msg[0:16]))
msg = bytearray( msg )
pmode = unpack(">I", msg[0:4])[0]
pad, pktt, pcnt = unpack("<x I I 2x B", msg[4:16])
header = b''
# print('pmode..', pc, hex(pmode), pad, pktt, pcnt)
if ( pmode & 0xFFFFFFFE ) != 0x82000018 :
magic = bytes(u'Slingbox'.encode('utf-16le'))
# print('MAGIC', magic)
if magic in msg:
print(ts(), name, 'Solo/ProHD Stream Restarted, Resyncing')
tbd = bts = bco = runt = 0
dco = b''
h264_header = b'\x36\x26\xb2\x75\x8e\x66\xcf\x11\xa6\xd9\x00\xaa\x00\x62\xce\x6c'
h264_header_pos = msg.find( h264_header ) + 50
# print( 'h246_header_pos', h264_header_pos, len( msg ))
audio_header = b'\x91\x07\xDC\xB7\xB7\xA9\xCF\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65\x72'
audio_header_pos = msg.find( audio_header ) + 0x60 # find audio hdr
msg[audio_header_pos:audio_header_pos+10] = pack("H 8x", 0x9012)
header = msg[0:h264_header_pos]
stream_header = header
rest = readnbytes(sock, h264_header_pos)
msg = msg[h264_header_pos:] + bytearray(rest)
print( name, 'Synced')
off = 16
if pmode == 0x82000018 :
off = 15
pcnt = 1
p = 0
while p < (pcnt & 63) :
# print( "loop", p, off, pcnt & 63);
fmt = "<B x I x I 4x H"
size = calcsize(fmt)
if off > 3000 - size : break
sn, objoff, objsiz, length = unpack(fmt, msg[off:off+size]);
# print( 'info', off, sn, objoff, objsiz, length )
off += 17
if not pmode & 1 :
off -= 2
length = 2970 - pad
if ( sn == 0x82 or (sn & 63 == 1 )) :
if objoff == 0 : tbd = objsiz & ~15
bts = (bco + length ) & 15
cbd = (bco + length) & ~15
if (cbd):
# print( 'SN', sn, off, tbd, bts, objsiz, objoff, cbd, bco )
if (bco):
# print('Decrypting', bco, off, cbd)
buf = Decrypt(dco + msg[off:off + (cbd - bco)], skey);
dco = buf[0:bco] # fix data carried over
msg[off:off+(cbd - bco)] = buf[bco:] # fix current packet
bco = 0;
else:
# print('DEcrypting', off, cbd, len(msg), pbuf(msg[off:off+cbd]))
buf = Decrypt(msg[off:off+cbd], skey) # decrypt
# print('DEcrypted', pbuf(buf))
msg[off:off+cbd] = buf
tbd -= cbd
if tbd == 0 : bts = 0
if sn == 0x82 and objoff == 0:
break
off += length
p += 1
# print $out $dco if $dco ne '';
msg = dco + msg
bco = bts
if bco > 0 :
dco = msg[-bts:]
msg = msg[0:-bts]
# print('DCO', bts, pbuf(dco)[7:-2])
else:
dco = b''
return header + msg
def SendKeycode( key, rccode ):
print('sending key', key, rccode )
if '.' in key:
code,chan,subchan = key.split('.')
cmd = bytearray(8)
cmd[0] = int(code)
cmd[1] = 0
cmd[2] = 0
cmd[3] = 0
cmd[4] = int(chan)
cmd[5] = 0
cmd[6] = int(subchan)
cmd[7] = 0
sling_cmd(0x89, cmd + pack('8x'), msg_type=0x0101)
else:
cmd = bytearray(4)
cmd[0] = int(key)
cmd[1] = 0
cmd[2] = 0
cmd[3] = rccode
sling_cmd(0x87, cmd + pack('467x 4h', cmd[3], 0, 0, 0), msg_type=0x0101)
def send_start_channel( channel, rccode ):
if channel :
if channel != '0':
print(ts(), name, 'Sending Start Channel', channel)
if '+' in channel:
for keycode in channel.split('+'): SendKeycode(keycode, rccode)
elif '.' in channel:
SendKeycode( '2.' + channel, 0 )
else:
digits2buttons = ['18','9','10','11','12','13','14','15','16','17']
for digit in channel:
if digit in '0123456789' :
SendKeycode( digits2buttons[int(digit)], rccode)
return None
def parse_stream( header ):
bits = header.split(':')
return ( bits[0]+':'+bits[1], bits[2] )
def RemoteLocked(sender_ip):
if RemoteLock and sender_ip != 'Server' and (sender_ip != primary_stream_client):
print(name, 'Ignoring IR request from', sender_ip, 'Remote Locked by', primary_stream_client )
return True
else: return False
print(name, 'Using slingbox at ', sling_net_address)
while True:
stream_header = None
streams = []
# Wait for first stream request to arrive
cp = ConfigParser()
cp.read(config_fn)
slinginfo = cp[section_name]
name = slinginfo.get('name', box_name).strip()
my_num_streams = 0
my_max_streams = int(slinginfo.get('maxstreams', '10'))
print('Streamer: ', name, 'Waiting for first stream, flushing any IR requests that arrive while not connected to slingbox')
stati[box_name] = 'Waiting for first client. Slingbox at ' + str(sling_net_address)
while True:
cmd, value = parse_cmd(streamer_q.get())
if cmd == 'STREAM': break
client_addr, channel = parse_stream(value)
client_socket = (streamer_q.get()) ## Get the socket to stream on
if not start_streaming_connection(client_addr):
client_socket = closeconn(client_socket)
continue
my_num_streams = 1
cp.read(config_fn)
slinginfo = cp[section_name]
sbtype = slinginfo.get('sbtype', "350/500").strip()
Solo = 'Solo' in sbtype
SB240 = '240' in sbtype
password = slinginfo['password'].strip()
name = slinginfo.get('name', box_name).strip()
resolution = int(slinginfo.get('Resolution', 12 ))
if resolution == 0 or resolution > 16 :
print(name, 'Invalid Resolution', resolution, 'Defaulting to 640x480')
resolution = 5;
FrameRate = int(slinginfo.get('FrameRate', 30 ))
VideoBandwidth = int(slinginfo.get('VideoBandwidth', 2000 ))
VideoSmoothness = int(slinginfo.get('VideoSmoothness', 63 ))
IframeRate = int(slinginfo.get('IframeRate', 5 ))
AudioBitRate = int(slinginfo.get('AudioBitRate', 64 ))
VideoSource = slinginfo.get('VideoSource', '' )
if channel == '0': StartChannel = slinginfo.get('StartChannel', '' )
else: StartChannel = channel
RemoteLock = slinginfo.get('RemoteLock', '')
if box_name in remotes.keys():
rccode = remotes[box_name][2]
pksize = 3072
if Solo : pksize = 3000
print( '\r\nSlinginfo ', sbtype, resolution, FrameRate, slingip, slingport, pksize, my_max_streams )
print(name, 'Starting Stream for ', client_addr)
stream_clients[client_socket] = client_addr
primary_stream_client = client_addr.split(':')[0]
streams.append(client_socket)
try:
client_socket.sendall(OK)
s_ctl, stream = start_slingbox_session(streams)
except Exception as e:
print(name, 'Badness starting slingbox session ', e, traceback.print_exc())
continue
if s_ctl and stream :
pc = 0
stream.settimeout(10)
tick = lasttick = laststatus = lastkeepalive = last_remote_command_time = startchanneltime = time.time()
if not Solo : StartChannel = send_start_channel(StartChannel, rccode)
while streams:
msg = readnbytes(stream, pksize)
if Solo and len(msg) > 0:
try:
msg = process_solo_msg( msg, stream )
except Exception as e:
print(name, 'Error Processing Solo Message. Stopping', e, traceback.print_exc())
break
if len(msg) == 0 :
print(ts(), name, 'Bad or Corrupted Solo message')
break
if len(msg) == 0 :
print(ts(), name, 'Stream Stopped Unexpectly. Kicked Off?')
break
pc += 1
for stream_socket in streams:
try:
sent = stream_socket.send(msg)
except Exception as e:
if stream_socket in stream_clients.keys():
print(ts(), name, 'Stream Terminated for ', stream_clients[stream_socket], e)
else:
print(ts(), name, 'Stream Terminated', e)
close_streaming_connection(stream_socket)
my_num_streams = my_num_streams - 1
continue
msg = b''
curtime = time.time()
if curtime - tick > 0.5: # Only check stuff every
tick = curtime
if (not streamer_q.empty()):
cmd, data = parse_cmd(streamer_q.get())
print( name, 'Got Streamer Control Message', cmd )
if cmd == 'STREAM' :
new_stream = streamer_q.get()
if my_num_streams == my_max_streams :
print( name, 'Max streams', my_max_streams, 'for this slingbox has been reached. Not starting connection')
new_stream.sendall(ERROR)
new_stream = closeconn(new_stream)
elif not start_streaming_connection(data) :
new_stream.sendall(ERROR)
closeconn(new_stream)
else:
my_num_streams = my_num_streams + 1
new_stream.sendall(OK)
stream_clients[new_stream], channel = parse_stream(data)
new_stream.sendall(stream_header)
print( name, 'New Stream Starting', channel)
if channel != '0':
if not RemoteLock : StartChannel = channel
else: print( name, 'RemoteLocked, ignoring channel request')
Thread(target=start_new_stream, args=(new_stream,)).start()
elif cmd == 'ProHD':
channel, sender_ip = data.split(':')
print(ts(), 'got ProHD', channel, sender_ip)
stream_ip = primary_stream_client
if not RemoteLocked(sender_ip):
SendKeycode( channel, rccode)
elif cmd == 'IR':
print('IR', data)
for key in data:
sender_ip = key[1:].decode('utf-8')
stream_ip = primary_stream_client
if not RemoteLocked( sender_ip ):
print(ts(), name,'Sending IR keycode', key[0], rccode, 'for', sender_ip)
SendKeycode(str(key[0]), rccode )
if curtime - lasttick > 10.0:
# print('.', end='')
stati[section_name] = name + ' Slingbox Streaming %d clients. Resolution=%d Packets=%d' % (len(streams), resolution, pc)
lasttick = curtime
sys.stdout.flush()
if curtime - laststatus > 90.0 :
print( ts(), name, '%d Clients.' % len(streams), end='')
for c in stream_clients.values(): print( c, end=' ')
print('')
laststatus = curtime
sys.stdout.flush()
if curtime - lastkeepalive > 10.0 :
# print('Sending Keep Alive' )
sling_cmd(0x66, '') # send a keepalive
lastkeepalive = curtime
socket_ready, _, _ = select.select([s_ctl], [], [], 0.0 )
if socket_ready : s_ctl.recv(8192)
if StartChannel :
if curtime - startchanneltime > 10.0 :
StartChannel = send_start_channel(StartChannel, rccode)
### No More Streams OR input stream stopped
print(name, 'Shutting down connections')
s_ctl = closecontrol(s_ctl)
for s in streams : close_streaming_connection(s)
streams = []
stream_clients = {}
my_num_streams = 0
else:
print(name,'ERROR: Slingbox session startup failed.')
if s_ctl : s_ctl = closecontrol(s_ctl)
if stream :
stream = close_streaming_connection(stream, stream_clients[stream])
client_socket.sendall(ERROR)
client_socket = closeconn(client_socket)
my_num_streams = 0
print(name, 'Streamer Exiting.. should never get here')
s_ctl = closecontrol(s_ctl)
stream = close_streaming_connection(stream)
client_socket = closeconn(client_socket)
def remote_control_stream( connection, client, request, server_port):
def fix_host(request):
start_host = request.find('Host:')
start_port = request.find(':', start_host + 5 )+1
end_port = request.find('\r\n', start_host)
# print('Fixing', start_port, end_port, request[0:start_port] + str(server_port) + request[end_port:])
return bytes(request[0:start_port] + str(server_port) + '\r\nFrom:%s'%client[0] + request[end_port:], 'utf-8')
http_port = server_port + 1
print('\r\nStarting remote control stream handler for ', str(client), 'to port', http_port)
remote_control_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote_control_socket.connect(('127.0.0.1', http_port )) ## Send Packets to Flask
print('Remote Control Connected')
# print('GOT', request )
request = fix_host(request)
remote_control_socket.sendall(request)
sockets = [remote_control_socket, connection]
POST = 'POST'.encode('utf-8')
GET = 'GET'.encode('utf-8')
while True:
# print('Waiting for data')
read_sockets, _, _ = select.select(sockets, [], [])
for sock in read_sockets:
try: data = sock.recv(32768)