cowrie/bin/playlog

136 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright (C) 2003-2011 Upi Tamminen <desaster@dragonlight.fi>
#
import getopt
import os
import struct
import sys
import time
OP_OPEN, OP_CLOSE, OP_WRITE, OP_EXEC = 1, 2, 3, 4
TYPE_INPUT, TYPE_OUTPUT, TYPE_INTERACT = 1, 2, 3
def playlog(fd, settings):
ssize = struct.calcsize('<iLiiLL')
currtty, prevtime, prefdir = 0, 0, 0
color = None
if sys.version_info >= (3,):
stdout = sys.stdout.buffer
else:
stdout = sys.stdout
while 1:
try:
(op, tty, length, dir, sec, usec) = \
struct.unpack('<iLiiLL', fd.read(ssize))
data = fd.read(length)
except struct.error:
if settings['tail']:
prevtime = 0
time.sleep(0.1)
settings['maxdelay'] = 0
continue
break
if currtty == 0: currtty = tty
if str(tty) == str(currtty) and op == OP_WRITE:
# the first stream seen is considered 'output'
if prefdir == 0:
prefdir = dir
# use the other direction
if settings['input_only']:
prefdir = TYPE_INPUT
if dir == TYPE_INPUT: prefdir = TYPE_OUTPUT
if dir == TYPE_INTERACT:
color = b'\033[36m'
elif dir == TYPE_INPUT:
color = b'\033[33m'
if dir == prefdir or settings['both_dirs']:
curtime = float(sec) + float(usec) / 1000000
if prevtime != 0:
sleeptime = curtime - prevtime
if sleeptime > settings['maxdelay']:
sleeptime = settings['maxdelay']
if settings['maxdelay'] > 0:
time.sleep(sleeptime)
prevtime = curtime
if settings['colorify'] and color:
stdout.write(color)
stdout.write(data)
if settings['colorify'] and color:
stdout.write(b'\033[0m')
color = None
sys.stdout.flush()
elif str(tty) == str(currtty) and op == OP_CLOSE:
break
def help(brief=0):
print('Usage: %s [-bfhi] [-m secs] [-w file] <tty-log-file> <tty-log-file>...\n' % \
os.path.basename(sys.argv[0]))
if not brief:
print(' -f keep trying to read the log until it\'s closed')
print(' -m <seconds> maximum delay in seconds, to avoid' + \
' boredom or fast-forward\n' + \
' to the end. (default is 3.0)')
print(' -i show the input stream instead of output')
print(' -b show both input and output streams')
print(' -c colorify the output stream based on what streams are being received')
print(' -h display this help\n')
sys.exit(1)
if __name__ == '__main__':
settings = {
'tail': 0,
'maxdelay': 3.0,
'input_only': 0,
'both_dirs': 0,
'colorify': 0,
}
try:
optlist, args = getopt.getopt(sys.argv[1:], 'fhibcm:w:', ['help'])
except getopt.GetoptError as error:
print('Error: %s\n' % error)
help()
options = [x[0] for x in optlist]
if '-b' in options and '-i' in options:
print("Error: -i and -b cannot be used together. Please select only one flag")
sys.exit(1)
for o, a in optlist:
if o == '-f':
settings['tail'] = 1
elif o == '-m':
settings['maxdelay'] = float(a) # takes decimals
elif o == '-i':
settings['input_only'] = 1
elif o == '-b':
settings['both_dirs'] = 1
elif o in ['-h', '--help']:
help()
elif o == '-c':
settings['colorify'] = 1
if len(args) < 1:
help()
try:
for logfile in args:
logfd = open(logfile, 'rb')
playlog(logfd, settings)
except IOError:
print("\n\n[!] Couldn't open log file (%s)!" % logfile)
sys.exit(2)