getpartbin.py

import os
from struct import *

def mbr():
    global offset, partitions
    os.popen("adb shell su -c 'dd if=/dev/block/mmcblk0 of=/cache/partition0.bin bs=512 count=1'").close()
    os.popen("adb shell su -c 'cp /cache/partition0.bin /sdcard/partition0.bin'").close()
    os.popen("adb pull /sdcard/partition0.bin .").close()
    f =  open("partition0.bin", 'rb')
    data = f.read()
    f.close()
    partitions = [ ]
    n=0
    while True:
        buf = data[446+(16*n):446+(16*(n+1))]
        partition = dict(zip(('boot', 'id', 'start', 'size'), unpack('4I', buf)))
        partition['type'] = "MBR"
        n += 1
        partition['no'] = n
        partitions.append(partition)
        if partition['id'] == 5:
            offset = partition['start']
            break

def ebr():
    global offset, partitions
    n = 0
    while True:
        a = 0
        os.popen("adb shell su -c 'dd if=/dev/block/mmcblk0 of=/cache/ebr bs=512 count=1 skip=" + str(offset+n) + "\'").close()
        n += 1
        os.popen("adb shell su -c 'dd if=/cache/ebr of=/cache/partition0.bin bs=512 count=1 seek=" + str(n) + "'").close()
        os.popen("adb shell su -c 'cp /cache/ebr /sdcard/partition0.bin'").close()
        os.popen("adb pull /sdcard/partition0.bin .").close()
        f = open("partition0.bin", 'rb')
        data = f.read()
        f.close()
        while True:
            buf = data[446+16*a:446+16*(a+1)]
            partition = dict(zip(('boot', 'id', 'start', 'size'), unpack('4I', buf)))
            if partition['id'] == 5:
                break
            if partition['id'] == 0:
                return
            partition['type'] = "EBR"
            partition['no'] = n
            partition['start'] += n-1+offset
            partitions.append(partition)
            a += 1


if __name__ == "__main__":
    mbr()
    ebr()
    os.popen("adb shell su -c 'cp /cache/partition0.bin /sdcard/partition0.bin'").close()
    os.popen("adb pull /sdcard/partition0.bin .").close()
    for part in partitions:
        print "%s %2i, Boot: 0x%02X, Id: 0x%02X, Start: 0x%08X (%8i), Size: 0x%08X (%8i, %8i KB)" % (part['type'], part['no'], part['boot'], part['id'], part['start'], part['start'], part['size'], part['size'], part['size']/2)