[unpack] little endian으로 문자열 unpack

코드

from struct import unpack
 
ul32 = lambda x: unpack("<L", x)[0]
ul64 = lambda x: unpack("<Q", x)[0]
 
def padding(s, bit=32):
    s_len = len(s)
    align = bit/8
    pad_len = align - (s_len % align)
 
    return s + '\x00'*pad_len
 
def print_x86(s):
    for i in xrange(0, len(s), 4):
        print '0x%08x' % ul32(s[i:i+4])
 
def print_x64(s):
    for i in xrange(0, len(s), 8):
        print '0x%016x' % ul64(s[i:i+8])
 
if __name__ == '__main__':
    BIT = 32    # 64
 
    a = 'urlmon.dll'
    a = padding(a, BIT)
 
    if BIT == 32:
        print_x86(a)
    else:
        print_x64(a)