# -*- Python -*-

import re
import sys
import string

if len(sys.argv) > 1:
    f = open (sys.argv[1])
else:
    f = sys.stdin

timestamp = None
hex_data = []
ascii_data = []

# 66.207.14.225
# capture:
# tcpdump -s 1500 -w /tmp/capture.bin -i lo0 port 5555
# dump as hex:
# tcpdump -r /tmp/capture.bin -X 

# [changed to support a new? tcpdump output format Apr 2005]

def un_hex (s):
    l = []
    for i in range(len(s)/2):
        x = 2 * i
        n = string.atoi (s[x:x+2], 16)
        l.append (chr(n))
    return ''.join (l)

data_bytes = 0

while 1:
    line = f.readline()
    if not line:
        break
    else:
        if line[2] == ':':
            # how many bytes to come?
            # 14:37:06.876108 10.1.1.70.5555 > 10.1.1.70.1239: P 6:18(12) ack 18 win 57920 <nop,nop,timestamp 97791492 97791492> (DF)
            # re.search (, part)
            # start a new line
            # 1) print old line
            if hex_data and data_bytes:
                if data_bytes:
                    print timestamp
                    hex_data = ''.join (hex_data).strip()
                    un_hex_data = un_hex (hex_data)[-data_bytes:]
                    print repr(un_hex_data)
            timestamp = line
            m = re.search ('\([0-9]+\)', line.split()[6])
            if m:
                data_bytes = int (m.group(0)[1:-1])
            else:
                data_bytes = 0
            hex_data = []
            ascii_data = []
        elif line[:3] == '\t0x':
            for j in range (8):
                p = 10 + (j*5)
                hex_data.append (line[p:p+4])
            ascii_data.append (line[57:-1])
        else:
            print 'huh?'