Exemplo n.º 1
0
def reverseInstances(dumpname):
  from haystack.reverse import context
  log.debug ('[+] Loading the memory dump ')
  ctx = context.get_context(dumpname)
  try:
    if not os.access(Config.getStructsCacheDir(ctx.dumpname), os.F_OK):    
      os.mkdir(Config.getStructsCacheDir(ctx.dumpname))
    
    # we use common allocators to find structures.
    #log.debug('Reversing malloc')
    #mallocRev = MallocReverser()
    #ctx = mallocRev.reverse(ctx)
    #mallocRev.check_inuse(ctx)

    # try to find some logical constructs.
    log.debug('Reversing DoubleLinkedListReverser')
    doublelink = DoubleLinkedListReverser()
    ctx = doublelink.reverse(ctx)

    # decode bytes contents to find basic types.
    log.debug('Reversing Fields')
    fr = FieldReverser()
    ctx = fr.reverse(ctx)

    # identify pointer relation between structures
    log.debug('Reversing PointerFields')
    pfr = PointerFieldReverser()
    ctx = pfr.reverse(ctx)

    # graph pointer relations between structures
    log.debug('Reversing PointerGraph')
    ptrgraph = PointerGraphReverser()
    ctx = ptrgraph.reverse(ctx)
    ptrgraph._saveStructures(ctx)

    #save to file 
    save_headers(ctx)
    #fr._saveStructures(ctx)
    ##libRev = KnowStructReverser('libQt')
    ##ctx = libRev.reverse(ctx)
    # we have more enriched context
    
    
    # etc
  except KeyboardInterrupt,e:
    #except IOError,e:
    log.warning(e)
    log.info('[+] %d structs extracted'%(  context.structuresCount()) )
    raise e
    pass
Exemplo n.º 2
0
def reverseInstances(dumpname):
    from haystack.reverse import context
    log.debug('[+] Loading the memory dump ')
    ctx = context.get_context(dumpname)
    try:
        if not os.access(Config.getStructsCacheDir(ctx.dumpname), os.F_OK):
            os.mkdir(Config.getStructsCacheDir(ctx.dumpname))

        # we use common allocators to find structures.
        #log.debug('Reversing malloc')
        #mallocRev = MallocReverser()
        #ctx = mallocRev.reverse(ctx)
        #mallocRev.check_inuse(ctx)

        # try to find some logical constructs.
        log.debug('Reversing DoubleLinkedListReverser')
        doublelink = DoubleLinkedListReverser()
        ctx = doublelink.reverse(ctx)

        # decode bytes contents to find basic types.
        log.debug('Reversing Fields')
        fr = FieldReverser()
        ctx = fr.reverse(ctx)

        # identify pointer relation between structures
        log.debug('Reversing PointerFields')
        pfr = PointerFieldReverser()
        ctx = pfr.reverse(ctx)

        # graph pointer relations between structures
        log.debug('Reversing PointerGraph')
        ptrgraph = PointerGraphReverser()
        ctx = ptrgraph.reverse(ctx)
        ptrgraph._saveStructures(ctx)

        #save to file
        save_headers(ctx)
        #fr._saveStructures(ctx)
        ##libRev = KnowStructReverser('libQt')
        ##ctx = libRev.reverse(ctx)
        # we have more enriched context

        # etc
    except KeyboardInterrupt, e:
        #except IOError,e:
        log.warning(e)
        log.info('[+] %d structs extracted' % (context.structuresCount()))
        raise e
        pass
Exemplo n.º 3
0
 def saveme(self):
   if not self._dirty:
     return
   sdir = Config.getStructsCacheDir(self._context.dumpname)
   if not os.path.isdir(sdir):
     os.mkdir(sdir)
   fname = makeFilename(self._context, self)
   try:
     # FIXME : loops create pickle loops
     #print self.__dict__.keys()
     pickle.dump(self, file(fname,'w'))
   except RuntimeError,e:
     log.error(e)
     print self.toString()
Exemplo n.º 4
0
 def saveme(self):
     if not self._dirty:
         return
     sdir = Config.getStructsCacheDir(self._context.dumpname)
     if not os.path.isdir(sdir):
         os.mkdir(sdir)
     fname = makeFilename(self._context, self)
     try:
         # FIXME : loops create pickle loops
         #print self.__dict__.keys()
         pickle.dump(self, file(fname, 'w'))
     except RuntimeError, e:
         log.error(e)
         print self.toString()
Exemplo n.º 5
0
 def saveme(self):
     if not self._dirty:
         return
     sdir = Config.getStructsCacheDir(self._context.dumpname)
     if not os.path.isdir(sdir):
         os.mkdir(sdir)
     fname = makeFilename(self._context, self)
     try:
         pickle.dump(self, file(fname, 'w'))
     except KeyboardInterrupt, e:
         # clean it, its stale
         os.remove(fname)
         log.warning('removing %s' % (fname))
         import sys
         ex = sys.exc_info()
         raise ex[1], None, ex[2]
Exemplo n.º 6
0
 def saveme(self):
   if not self._dirty:
     return
   sdir = Config.getStructsCacheDir(self._context.dumpname)
   if not os.path.isdir(sdir):
     os.mkdir(sdir)
   fname = makeFilename(self._context, self)
   try:
     pickle.dump(self, file(fname,'w'))
   except KeyboardInterrupt, e:
     # clean it, its stale
     os.remove(fname)
     log.warning('removing %s'%(fname))
     import sys
     ex = sys.exc_info()
     raise ex[1], None, ex[2]
Exemplo n.º 7
0
def makeFilename(context, st):
  sdir = Config.getStructsCacheDir(context.dumpname)
  if not os.path.isdir(sdir):
    os.mkdir(sdir)
  return os.path.sep.join([sdir, str(st)])
Exemplo n.º 8
0
def makeFilename(context, st):
    sdir = Config.getStructsCacheDir(context.dumpname)
    if not os.path.isdir(sdir):
        os.mkdir(sdir)
    return os.path.sep.join([sdir, str(st)])