Cython libpcap, read/write/merge/capture
- GIthub repo: https://github.com/caizhengxin/python-libpcap
- Documentation: https://python-libpcap.readthedocs.io
- Free software: BSD lincense
- Read pcap file
- Write pcap file
- Merge pcap file
- Multi-file quick merge
- Get first iface
- Get iface list
- Send raw packet
- Capture data
To install python-libpcap, run this command in your terminal:
$ sudo apt-get install libpcap-dev
$ pip3 install Cython
$ pip3 install python-libpcap
Console:
# Multi-file quick merge
$ mpcap -i pcap/ -o pcap.pcap port 502
# Capture data packet
$ sudo capture -i enp2s0 -v
Read pcap:
from pylibpcap.pcap import rpcap
for len, t, pkt in rpcap("tests/dns.pcap"):
print("Buf length:", len)
print("Time:", t)
print("Buf:", pkt)
Write pcap:
from pylibpcap import wpcap
buf = b'\x00\xc0\x9f2A\x8c\x00\xe0\x18\xb1\x0c\xad\x08\x00E\x00\x008' \
b'\x00\x00@\x00@\x11eG\xc0\xa8\xaa\x08\xc0\xa8\xaa\x14\x80\x1b' \
b'\x005\x00$\x85\xed\x102\x01\x00\x00\x01\x00\x00\x00\x00\x00' \
b'\x00\x06google\x03com\x00\x00\x10\x00\x01'
wpcap(buf, "pcap.pcap")
wpcap([buf, buf], "pcap.pcap)
from pylibpcap import OpenPcap
with OpenPcap("pcap.pcap", "a") as f:
f.write(buf)
Merge pcap:
from pylibpcap.pcap import mpcap
mpcap("demo.pcap", "demo2.pcap")
mpcap("pcap/", "output.pcap", "port 502")
Get first iface:
from pylibpcap.pcap import get_first_iface
print(get_first_iface())
Get iface list:
from pylibpcap import get_iface_list
print(get_iface_list())
Send raw packet:
from pylibpcap import send_packet
send_packet("enp2s0", b"")
Capture data:
from pylibpcap.pcap import sniff
for plen, t, buf in sniff("enp2s0", filters="port 53", count=3, promisc=1, out_file="pcap.pcap"):
print("[+]: Payload len=", plen)
print("[+]: Time", t)
print("[+]: Payload", buf)
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