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How to use ethernet_packet method in autotest

Best Python code snippet using autotest_python

benchmark_pcap.py

Source:benchmark_pcap.py

1#!/usr/bin/python2# -*- coding: utf-8 -*-3"""4===== 5Benchmark PCAP Creaion6===== 78Benchmark the creation and parsing of a biug pcap file9"""10__author__ = "Diarmuid Collins"11__copyright__ = "Copyright 2018"12__version__ = "0.0.1"13__maintainer__ = "Diarmuid Collins"14__email__ = "dcollins@curtisswright.com"15__status__ = "Production"161718import sys19sys.path.append("..")2021import time22import struct23import AcraNetwork.IENA as iena24import AcraNetwork.iNetX as inetx25import AcraNetwork.Pcap as pcap26import AcraNetwork.SimpleEthernet as SimpleEthernet27import argparse282930parser = argparse.ArgumentParser(description='Benchmark the creation of pcap files containing packets')31parser.add_argument('--type',  required=True, type=str,choices=["udp","iena","inetx"],  help='The type of _payload, udp iena or inetx')32parser.add_argument('--ignoretime',required=False, action='store_true', default=False)33args = parser.parse_args()3435# constants36PCAP_FNAME = "output_test.pcap"37PACKETS_TO_WRITE = 5000038PAYLOAD_SIZE = 1300 # size of the _payload in bytes39HEADER_SIZE = {'udp': 58, 'inetx':86,'iena':74}4041# Write out a pcapfile with each inetx and iena packet generated42mypcap = pcap.Pcap(PCAP_FNAME, mode='w')43mypcap.write_global_header()44ethernet_packet = SimpleEthernet.Ethernet()45ethernet_packet.srcmac = 0x00112233445546ethernet_packet.dstmac = 0x55443322110047ethernet_packet.type = SimpleEthernet.Ethernet.TYPE_IP48ip_packet = SimpleEthernet.IP()49ip_packet.dstip = "235.0.0.2"50ip_packet.srcip = "127.0.0.1"51udp_packet = SimpleEthernet.UDP()52udp_packet.dstport = 4422535455# Fixed _payload for both56payload = (struct.pack(">B",5) * PAYLOAD_SIZE)5758if args.type == "inetx":59    # Create an inetx packet60    avionics_packet = inetx.iNetX()61    avionics_packet.inetxcontrol = inetx.iNetX.DEF_CONTROL_WORD62    avionics_packet.pif = 063    avionics_packet.streamid = 0xdc64    avionics_packet.sequence = 065    avionics_packet.payload = payload66else:67    # Create an iena packet68    avionics_packet = iena.IENA()69    avionics_packet.key = 0xdc70    avionics_packet.keystatus = 071    avionics_packet.endfield = 0xbeef72    avionics_packet.sequence = 073    avionics_packet.payload = payload74    avionics_packet.status = 07576packets_written = 07778start_time = time.time()79while packets_written < PACKETS_TO_WRITE:8081    if args.type == "udp":82        udp_packet.srcport = 499983        udp_packet.payload = payload84    else:85        if args.ignoretime:86            currenttime = 087        else:88            currenttime = int(time.time())89        if args.type == "iena":90            avionics_packet.sequence = (avionics_packet.sequence + 1) % 6553691            udp_packet.srcport = 500092        else:93            avionics_packet.sequence = (avionics_packet.sequence + 1) % 0x10000000094            udp_packet.srcport = 50019596        avionics_packet.setPacketTime(currenttime)97        udp_packet.payload = avionics_packet.pack()9899    ip_packet.payload = udp_packet.pack()100    ethernet_packet.payload = ip_packet.pack()101    record = pcap.PcapRecord()102    if args.ignoretime:103        record.usec = 0104        record.sec = 0105    else:106        record.setCurrentTime()107    record.packet = ethernet_packet.pack()108    mypcap.write(record)109110    packets_written += 1111112mypcap.close()113end_time = time.time()114print("INFO: Wrote {} packets of type {} with _payload of {} bytes in {} seconds".format(PACKETS_TO_WRITE,args.type,PAYLOAD_SIZE,end_time-start_time))115print("INFO: Wrote {} bytes in {}".format((HEADER_SIZE[args.type]+PAYLOAD_SIZE)*PACKETS_TO_WRITE,end_time-start_time))116print("INFO: Wrote {} packets per second".format(PACKETS_TO_WRITE/(end_time-start_time)))
...

flow-gen.py

Source:flow-gen.py

1from socket import *2def sendeth(ethernet_packet, payload, interface = "eth0"):3  """Send raw Ethernet packet on interface."""4  s = socket(AF_PACKET, SOCK_RAW)5  # From the docs: "For raw packet6  # sockets the address is a tuple (ifname, proto [,pkttype [,hatype]])"7  s.bind((interface, 0))8  return s.send(ethernet_packet + payload)9def pack(byte_sequence):10  """Convert list of bytes to byte string."""11  return b"".join(map(chr, byte_sequence))12if __name__ == "__main__":13      # Note that this example contains HARDCODED packets, meaning that14      # it will ONLY work on the system it was designed for.15      # I got these values by sending a ping while running Wireshark.16      # You can do so yourself.  Another way to construct these manually is to use17      # the impacket library (sudo pip install impacket)18      # src=fe:ed:fa:ce:be:ef, dst=52:54:00:12:35:02, type=0x0800 (IP)19      # src=00:3a:9c:07:4d:87, dst=00:3a:9c:03:b8:c720      ethernet_packet = [0x00, 0x3a, 0x9c, 0x03, 0xb8, 0xc7, 0x00, 0x3a, 0x9c,21                         0x07, 0x4d, 0x87, 0x08, 0x00]22      ethernet_packet = [0x52, 0x54, 0x00, 0x12, 0x35, 0x02, 0xfe, 0xed, 0xfa,23                         0xce, 0xbe, 0xef, 0x08, 0x00]24      # src=10.0.2.15, dst=195.88.54.16 (vg.no), checksum, etc.25      # src=2.2.2.2, dst=2.2.2.1 (vg.no), checksum, etc.26      ipv4_header = [0x45, 0x00, 0x00, 0x54, 0x05, 0x9f, 0x40, 0x00, 0x40, 0x01,27                     0x2f, 0x93, 0x0a, 0x00, 0x02, 0x0f, 0xc3, 0x58, 0x36, 0x10]28      # echo (ping) request, checksum 2b45, etc29      icmp_ping = [0x08, 0x00, 0x2b, 0x45, 0x11, 0x22, 0x00, 0x02, 0xa9, 0xf4, 0x5c,30                   0x53, 0x00, 0x00, 0x00, 0x00, 0xf5, 0x7b, 0x01, 0x00, 0x00, 0x00,31                   0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,32                   0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,33                   0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e,34                   0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37]35      payload = "".join(map(chr, ipv4_header + icmp_ping))36      # Construct Ethernet packet with an IPv4 ICMP PING request as payload37      r = sendeth(pack(ethernet_packet),38                  pack(ipv4_header + icmp_ping), "Eth1-49")...

week12.py

Source:week12.py

1# Using dpkt for parsing2import dpkt3import socket4import tabulate5# Global data structure for storing the dns6dns_db = {}7# function to modulize reading from the the pcap8def read_from_pcap(open_pcap):9    counter = 110    for _, packet in open_pcap:11        ethernet_packet = dpkt.ethernet.Ethernet(packet)12        if isinstance(ethernet_packet.data, dpkt.ip.IP):13            if isinstance(ethernet_packet.data.data, dpkt.udp.UDP):14                udp = ethernet_packet.data.data15                if udp.sport == 53 or udp.dport == 53:16                    dns = dpkt.dns.DNS(udp.data)17                    if dns.opcode == dpkt.dns.DNS_QUERY and dns.qr == dpkt.dns.DNS_R:18                        query_list = []19                        answer_list = []20                        for query in dns.qd:21                            if query.type == dpkt.dns.DNS_A:22                                query_list.append(query.name)23                        for answer in dns.an:24                            if answer.type == dpkt.dns.DNS_A:25                                answer_list.append(socket.inet_ntoa(answer.ip))26                        if query_list and answer_list:27                            dns_db[counter] = {}28                            dns_db[counter]['Query'] = query_list29                            dns_db[counter][ 'Answer'] = answer_list30        counter += 131def create_data():32    result_list = []33    for k, v in dns_db.items():34        loop_result = []35        loop_result.append(k) 36        loop_result.append(v [ 'Query']) 37        loop_result.append(v[ 'Answer'])38        result_list.append(loop_result)39    40    return result_list41def display(result_list):42    print(tabulate.tabulate(result_list, headers=['Packet ID', 'Query', 'Answers']))43def main():44    pcap = r'assets\week11_dns.pcap'45    # Read file from source 46    open_pcap = dpkt.pcap.Reader(open(pcap, 'rb'))47    read_from_pcap(open_pcap)48    data = create_data()49    display(data)50if __name__ == "__main__":...

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