This file is indexed.

/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