m3console_extract_v2.py

#!/usr/bin/python

# Balong MCU Console Dump Extractor

import sys
import os

lastaddr = 0x0

if __name__ == "__main__":
  if len(sys.argv) != 2:
    print " [!] usage: %s capfile"
    sys.exit(0)
  else:
    f = open(sys.argv[1])
    d = f.readlines()
    f.close()
    line_mode = False
    lastline = ""
    for line_no in range(0,len(d)):
      if "exc: d(" in d[line_no]:
        fname = "%s-%s-%s.bin" % (os.path.basename(sys.argv[1]),d[line_no][17:17+8], d[line_no][27:27+8])
        f_out = open(fname,"wb")
        line_mode = True
        lines = 0
      elif line_mode is True:
        l_ = d[line_no].rstrip()
        if len(l_) == 58:
          addr = int(l_.split("][")[1][0:10],16)
          if lastaddr == addr or addr < lastaddr:
            print "skipping line: lastaddr was %x, addr is %x" % (lastaddr,addr)
            continue
          else:
            addr = lastaddr
          lastline = l_
          newline = ""
          new_bits = l_.split("]")[2].split(" ")
          for chunk in new_bits:
            newline += chunk[6:8] + chunk[4:6] + chunk[2:4] + chunk[0:2]
        else:
          line_mode = False
          print " [>] last line dumped: %s" % lastline
          f_out.close()
          continue
        f_out.write(newline.decode('hex'))
        lines += 1
        if line_mode is False:
          print " [>] data dumped to %s, %d lines parsed" % (fname,lines)
          f_out.close()