/usr/share/pyshared/scapy/modules/voip.py is in python-scapy 2.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | ## This file is part of Scapy
## See http://www.secdev.org/projects/scapy for more informations
## Copyright (C) Philippe Biondi <phil@secdev.org>
## This program is published under a GPLv2 license
"""
VoIP (Voice over IP) related functions
"""
import os
###################
## Testing stuff ##
###################
from fcntl import fcntl
from scapy.sendrecv import sniff
from scapy.packet import Raw
from scapy.layers.inet import IP,UDP
from scapy.layers.rtp import RTP
from scapy.utils import get_temp_file
def merge(x,y,sample_size=2):
if len(x) > len(y):
y += "\x00"*(len(x)-len(y))
elif len(x) < len(y):
x += "\x00"*(len(y)-len(x))
m = ""
ss=sample_size
for i in range(len(x)/ss):
m += x[ss*i:ss*(i+1)]+y[ss*i:ss*(i+1)]
return m
# return "".join(map(str.__add__, x, y))
def voip_play(s1,list=None,**kargs):
FIFO=get_temp_file()
FIFO1=FIFO % 1
FIFO2=FIFO % 2
os.mkfifo(FIFO1)
os.mkfifo(FIFO2)
try:
os.system("soxmix -t .ul %s -t .ul %s -t ossdsp /dev/dsp &" % (FIFO1,FIFO2))
c1=open(FIFO1,"w", 4096)
c2=open(FIFO2,"w", 4096)
fcntl.fcntl(c1.fileno(),fcntl.F_SETFL, os.O_NONBLOCK)
fcntl.fcntl(c2.fileno(),fcntl.F_SETFL, os.O_NONBLOCK)
# dsp,rd = os.popen2("sox -t .ul -c 2 - -t ossdsp /dev/dsp")
def play(pkt,last=[]):
if not pkt:
return
if not pkt.haslayer(UDP):
return
ip=pkt.getlayer(IP)
if s1 in [ip.src, ip.dst]:
if not last:
last.append(pkt)
return
load=last.pop()
# x1 = load.load[12:]
c1.write(load.load[12:])
if load.getlayer(IP).src == ip.src:
# x2 = ""
c2.write("\x00"*len(load.load[12:]))
last.append(pkt)
else:
# x2 = pkt.load[:12]
c2.write(pkt.load[12:])
# dsp.write(merge(x1,x2))
if list is None:
sniff(store=0, prn=play, **kargs)
else:
for p in list:
play(p)
finally:
os.unlink(FIFO1)
os.unlink(FIFO2)
def voip_play1(s1,list=None,**kargs):
dsp,rd = os.popen2("sox -t .ul - -t ossdsp /dev/dsp")
def play(pkt):
if not pkt:
return
if not pkt.haslayer(UDP):
return
ip=pkt.getlayer(IP)
if s1 in [ip.src, ip.dst]:
dsp.write(pkt.getlayer(Raw).load[12:])
try:
if list is None:
sniff(store=0, prn=play, **kargs)
else:
for p in list:
play(p)
finally:
dsp.close()
rd.close()
def voip_play2(s1,**kargs):
dsp,rd = os.popen2("sox -t .ul -c 2 - -t ossdsp /dev/dsp")
def play(pkt,last=[]):
if not pkt:
return
if not pkt.haslayer(UDP):
return
ip=pkt.getlayer(IP)
if s1 in [ip.src, ip.dst]:
if not last:
last.append(pkt)
return
load=last.pop()
x1 = load.load[12:]
# c1.write(load.load[12:])
if load.getlayer(IP).src == ip.src:
x2 = ""
# c2.write("\x00"*len(load.load[12:]))
last.append(pkt)
else:
x2 = pkt.load[:12]
# c2.write(pkt.load[12:])
dsp.write(merge(x1,x2))
sniff(store=0, prn=play, **kargs)
def voip_play3(lst=None,**kargs):
dsp,rd = os.popen2("sox -t .ul - -t ossdsp /dev/dsp")
try:
def play(pkt, dsp=dsp):
if pkt and pkt.haslayer(UDP) and pkt.haslayer(Raw):
dsp.write(pkt.getlayer(RTP).load)
if lst is None:
sniff(store=0, prn=play, **kargs)
else:
for p in lst:
play(p)
finally:
try:
dsp.close()
rd.close()
except:
pass
|