path: root/sploit/mem.py

class Symtbl:
    def __init__(self, **kwargs):
        self.__dict__ = {**kwargs}

    def adjust(self, off):
        self.__dict__ = {k:v+off for k,v in self.__dict__.items()}

    def rebase(self, sym):
        self.adjust(-sym)

    def __str__(self):
        return __str__(self,self.__dict__)

class Memmap:
    def __init__(self, tbl, sym, addr):
        self.__tbl__ = tbl
        self.base = addr - sym

    def __getattribute__(self, sym):
        if(sym in ['__tbl__','base']):
            return object.__getattribute__(self, sym)
        a = getattr(self.__tbl__, sym)
        return self.base + a

    def __setattr__(self, sym, addr):
        if(sym in ['__tbl__','base']):
            return object.__setattr__(self,sym,addr)

    def __str__(self):
        s = __str__(self,self.__tbl__.__dict__)
        pos = -1
        for i in range(2):
            pos = s.find('\n',pos+1)
        s = s[:pos] + __tbl_format__.format(hex(self.base),'base') + s[pos:]
        return s

__tbl_format__ = '\n{:<20} {:<20}'
def __str__(self,tbl):
    s = 'symbols: ' + str(len(tbl))
    s += __tbl_format__.format('ADDRESS', 'SYMBOL')
    for sym,off in sorted(tbl.items(),key=lambda x:x[1]):
        s += __tbl_format__.format(hex(getattr(self,sym)),sym)
    return s