I use sniff() function in scapy for sniff packets on several interfaces. I used this function in the same way as it is written in the documentation:
inet_faces=['ens33', 'ens38']
sniff(iface=int_faces)
This code is equivalent to this code, as it is written in the documentation
sniff(['ens33', 'ens38'])
But instead of it working, I get these errors:
> Exception in thread Thread-1:
> Traceback (most recent call last):
> File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
> self.run()
> File "/usr/lib/python3.6/threading.py", line 864, in run
> self._target(*self._args, **self._kwargs)
> File "/home/user/Desktop/crs_wrk/z2/switch.py", line 124, in sniff_packets
> sniff(iface=['ens33', 'ens38'])
> File "/usr/local/lib/python3.6/dist-packages/scapy/sendrecv.py", line 1263, in sniff
> sniffer._run(*args, **kwargs)
> File "/usr/local/lib/python3.6/dist-packages/scapy/sendrecv.py", line 1128, in _run
> **karg)] = iface
> File "/usr/local/lib/python3.6/dist-packages/scapy/arch/linux.py", line 501, in __init__
> set_promisc(self.ins, self.iface)
> File "/usr/local/lib/python3.6/dist-packages/scapy/arch/linux.py", line 181, in set_promisc
> mreq = struct.pack("IHH8s", get_if_index(iff), PACKET_MR_PROMISC, 0, b"")
> File "/usr/local/lib/python3.6/dist-packages/scapy/arch/linux.py", line 401, in get_if_index
> return int(struct.unpack("I", get_if(iff, SIOCGIFINDEX)[16:20])[0])
> File "/usr/local/lib/python3.6/dist-packages/scapy/arch/common.py", line 65, in get_if
> return ioctl(sck, cmd, struct.pack("16s16x", iff.encode("utf8")))
>AttributeError: 'list' object has no attribute 'encode'
Аmong all these lines, the key lines is this:
>File "/home/user/Desktop/crs_wrk/z2/switch.py", line 124, in sniff_packets
> sniff(iface=['ens33', 'ens38'])
> AttributeError: 'list' object has no attribute 'encode'
So, this code causes the same errors:
sniff(iface=['ens33'])
But this code works correct:
sniff(iface='ens33')
The error lies in the fact that I am passing a list, although the documentation says that this can be done. Please help me.
