def _send(self): if self._icmp_echo.sequence > 0: time.sleep(1) self._icmp_echo.sequence += 1 addr = (self.args.destip, 0) self._icmp_echo.timestamp = int(time.time()*1000) & 0xffffffff self._icmp_echo.header.checksum = 0 self._icmp_echo.header.checksum = socket.ntohs(checksum(self._icmp_echo.dump())) self._sock.sendto(self._icmp_echo.dump(), addr) try: timeout = 2 start_timestamp = time.time() while timeout > 0: self._sock.settimeout(timeout) data, raddr = self._sock.recvfrom(1024) recv_timestamp= int(time.time()*1000) & 0xffffffff if raddr == addr: iphdr = IpHeader() iphdr.load(data) icmp_data = data[iphdr.ihl*4:] icmp_echo_reply = IcmpEcho() icmp_echo_reply.load(icmp_data) if icmp_echo_reply.header.type == ICMP_ECHOREPLY \ and icmp_echo_reply.id == self._icmp_echo.id \ and icmp_echo_reply.sequence == self._icmp_echo.sequence: print('{0} bytes from {1}: icmp_req={2} ttl={3} time={4} ms'.format( len(icmp_data), addr[0], self._icmp_echo.sequence, iphdr.ttl, abs(recv_timestamp-self._icmp_echo.timestamp))) break timeout -= time.time() - start_timestamp if timeout < 0: raise socket.timeout() except socket.timeout: print('timeout')
def _get_raw_data(self): iphdr = IpHeader() iphdr.protocol = self._protocol if self.args.srcip: iphdr.saddr = self.args.srcip iphdr.daddr = self.args.destip data = self._get_data() iphdr.ihl = iphdr.length >> 2 return iphdr.dump() + data
def _send(self): if self._icmp_echo.sequence > 0: time.sleep(1) self._icmp_echo.sequence += 1 addr = (self.args.destip, 0) self._icmp_echo.timestamp = int(time.time() * 1000) & 0xffffffff self._icmp_echo.header.checksum = 0 self._icmp_echo.header.checksum = socket.ntohs( checksum(self._icmp_echo.dump())) self._sock.sendto(self._icmp_echo.dump(), addr) try: timeout = 2 start_timestamp = time.time() while timeout > 0: self._sock.settimeout(timeout) data, raddr = self._sock.recvfrom(1024) recv_timestamp = int(time.time() * 1000) & 0xffffffff if raddr == addr: iphdr = IpHeader() iphdr.load(data) icmp_data = data[iphdr.ihl * 4:] icmp_echo_reply = IcmpEcho() icmp_echo_reply.load(icmp_data) if icmp_echo_reply.header.type == ICMP_ECHOREPLY \ and icmp_echo_reply.id == self._icmp_echo.id \ and icmp_echo_reply.sequence == self._icmp_echo.sequence: print( '{0} bytes from {1}: icmp_req={2} ttl={3} time={4} ms' .format( len(icmp_data), addr[0], self._icmp_echo.sequence, iphdr.ttl, abs(recv_timestamp - self._icmp_echo.timestamp))) break timeout -= time.time() - start_timestamp if timeout < 0: raise socket.timeout() except socket.timeout: print('timeout')
def _get_raw_data(self): data = self._get_data() iphdr = IpHeader() iphdr.protocol = socket.IPPROTO_UDP if self.args.srcip: iphdr.saddr = self.args.srcip iphdr.daddr = self.args.destip iphdr.ihl = iphdr.length >> 2 udphdr = UdpHeader() udphdr.uh_sport = self.args.srcport if self.args.srcport else random.randint( 30000, 40000) udphdr.uh_dport = self.args.destport udphdr.uh_ulen = len(data) + udphdr.length udphdr.uh_sum = 0 return iphdr.dump() + udphdr.dump() + data
def _get_raw_data(self): data = self._get_data() iphdr = IpHeader() iphdr.protocol = socket.IPPROTO_UDP if self.args.srcip: iphdr.saddr = self.args.srcip iphdr.daddr = self.args.destip iphdr.ihl = iphdr.length >> 2 udphdr = UdpHeader() udphdr.uh_sport = self.args.srcport if self.args.srcport else random.randint(30000,40000) udphdr.uh_dport = self.args.destport udphdr.uh_ulen = len(data) + udphdr.length udphdr.uh_sum = 0 return iphdr.dump() + udphdr.dump() + data