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Diffstat (limited to 'scripts/jungo-image.py')
| -rw-r--r-- | scripts/jungo-image.py | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/scripts/jungo-image.py b/scripts/jungo-image.py new file mode 100644 index 0000000000..a99253dd49 --- /dev/null +++ b/scripts/jungo-image.py @@ -0,0 +1,223 @@ +#!/usr/bin/env python +# +# Copyright 2008 (C) Jose Vasconcellos <jvasco@verizon.net> +# +# A script that can communicate with jungo-based routers +# (such as MI424-WR, USR8200 and WRV54G to backup the installed +# firmware and replace the boot loader. +# +# Tested with Python 2.5 on Linux and Windows +# +"""Usage: %s [options] <IP_address> [redboot.bin] +Valid options: +\t-h | --help: usage statement +\t-d | --no-dump: don't create a flash dump +\t-f | --file: use <filename> to store dump contents +\t-u | --user: provide username (default admin) +\t-p | --pass: provide password (default password1) +\t-P | --proto: set transfer protocol (default tftp) +\t-s | --server: IP address of tftp server +\t-w | --write: initiate loading of redboot (default no modification to flash) +\t-v | --verbose: display additional information +\t-V | --version: display version information +""" + +import os +import sys +import getopt +import getpass +import telnetlib +import string +import binascii +import socket +import thread +import SocketServer +import SimpleHTTPServer + +server = "" +HOST = "192.168.1.1" +PORT = 8080 +user = "admin" +#password = getpass.getpass() +password = "password1" +proto = "http" +imagefile = "redboot.bin" +dumpfile = "" +verbose = 0 +no_dump = 0 +dumplen = 0x10000 +write_image = 0 +flashsize=8*1024*1024 + +#################### + +def start_server(): + httpd = SocketServer.TCPServer((server,PORT),SimpleHTTPServer.SimpleHTTPRequestHandler) + thread.start_new_thread(httpd.serve_forever,()) + +#################### + +def get_flash_size(): + tn.write("cat /proc/mtd\n") + # wait for prompt + buf = tn.read_until("Returned 0", 3) + if buf: + i = buf.find('mtd0:') + if i > 0: + flashsize = int(buf[i+6:].split()[0],16) + +def image_dump(tn, dumpfile): + if not dumpfile: + tn.write("ver\n"); + buf = tn.read_until("Returned 0") + i = buf.find("Platform:") + if i < 0: + platform="jungo" + else: + platform=buf[i+9:].split()[0] + + tn.write("ifconfig br0\n"); + buf = tn.read_until("Returned 0") + + i = buf.find("MAC=") + if i < 0: + print "No MAC address found! (use -f option)" + sys.exit(1) + dumpfile = "%s-%s.bin" % (platform, buf[i+4:i+21].replace(':','')) + else: + tn.write("\n") + + print "Dumping flash contents (%dMB) to %s\n" % (flashsize/1048576, dumpfile) + f = open(dumpfile, "wb") + + for addr in range(flashsize/dumplen): + if verbose: + sys.stdout.write('.') + sys.stdout.flush() + + tn.write("flash_dump -r 0x%x -l %d -4\n" % (addr*dumplen, dumplen)) + tn.read_until("\n") + + count = addr*dumplen + while 1: + buf = tn.read_until("\n") + if buf.strip() == "Returned 0": + break + s = buf.split() + if s and s[0][-1] == ':': + a=int(s[0][:-1],16) + if a != count: + print "Format error: %x != %x"%(a,count) + sys.exit(2) + count += 16 + f.write(binascii.a2b_hex(string.join(s[1:],''))) + tn.read_until(">",1) + + f.close() + +def telnet_option(sock,cmd,option): + #print "Option: %d %d" % (ord(cmd), ord(option)) + if cmd == telnetlib.DO: + c=telnetlib.WILL + elif cmd == telnetlib.WILL: + c=telnetlib.DO + sock.sendall(telnetlib.IAC + c + option) + +def telnet_timeout(): + print "Fatal error: telnet timeout!" + sys.exit(1) + +def usage(): + print __doc__ % os.path.basename(sys.argv[0]) + +#################### + +try: + opts, args = getopt.getopt(sys.argv[1:], "hdf:u:p:P:s:vVw", \ + ["help", "dump", "file=", "user=", "pass=", "proto=","server=", "verbose", "version", "write"]) +except getopt.GetoptError: + # print help information and exit: + usage() + sys.exit(1) + +for o, a in opts: + if o in ("-h", "--help"): + usage() + sys.exit(1) + if o in ("-V", "--version"): + print "%s: 0.6" % sys.argv[0] + sys.exit(1) + if o in ("-d", "--no-dump"): + no_dump = 1 + if o in ("-f", "--file"): + dumpfile = a + if o in ("-s", "--server"): + server = a + if o in ("-u", "--user"): + user = a + if o in ("-p", "--pass"): + password = a + if o in ("-P", "--proto"): + proto = a + if o in ("-w", "--write"): + write_image = 1 + if o in ("-v", "--verbose"): + verbose = 1 + +# make sure we have enough arguments +if len(args) > 0: + HOST = args[0] + +if len(args) == 2: + imagefile = args[1] + +#################### +# create a telnet session to the router +try: + tn = telnetlib.Telnet(HOST) +except socket.error, msg: + print "Unable to establish telnet session to %s: %s" % (HOST, msg) + sys.exit(1) + +tn.set_option_negotiation_callback(telnet_option) + +buf = tn.read_until("Username: ", 3) +if not buf: + telnet_timeout() +tn.write(user+"\n") +if password: + buf = tn.read_until("Password: ", 3) + if not buf: + telnet_timeout() + tn.write(password+"\n") + +# wait for prompt +buf = tn.read_until("> ", 3) +if not buf: + telnet_timeout() + +get_flash_size() + +if not no_dump: + image_dump(tn, dumpfile) + +# write image file image +if not server: + server = tn.get_socket().getsockname()[0] +if proto == "http": + cmd = "load -u %s://%s:%d/%s -r 0\n" % (proto, server, PORT, imagefile) +else: + cmd = "load -u %s://%s/%s -r 0\n" % (proto, server, imagefile) +print cmd +if write_image: + if proto == "http": + start_server() + + tn.write("unlock 0 0x%x\n" % flashsize) + buf = tn.read_until("Returned 0") + + tn.write(cmd) + buf = tn.read_until("Returned 0") + +tn.write("exit\n") +tn.close() |