Python tempfile.mkstemp() Examples

def bindiff_export(self, sample, is_64_bit = True, timeout = None):
        """
        Load a sample into IDA Pro, perform autoanalysis and export a BinDiff database.
        :param sample: The sample's path
        :param is_64_bit: If the sample needs to be analyzed by the 64 bit version of IDA
        :param timeout: Timeout for the analysis in seconds
        :return: The file name of the exported bindiff database. The file needs
        to be deleted by the caller. Returns None on error.
        """

        data_to_send = {
            "timeout": timeout,
            "is_64_bit": is_64_bit}
        url = "%s/binexport" % next(self._urls)
        log.debug("curl -XPOST --data '%s' '%s'", json.dumps(data_to_send), url)
        response = requests.post(url, data = data_to_send, files = {os.path.basename(sample): open(sample, "rb")})
        if response.status_code == 200:
            handle, output = tempfile.mkstemp(suffix = ".BinExport")
            with os.fdopen(handle, "wb") as f:
                map(f.write, response.iter_content(1024))
            return output
        else:
            log.error("Bindiff server responded with status code %d: %s", response.status_code, response.content)
            return None 

def get_num_triggering_samples(signature, samples):
    """
        Get number of samples triggering ClamAV signature _signature_.
        :param signature: A dictionary with keys 'type' for the signature type
            and 'signature' for the signature string.
        :param samples: A list of sample paths to scan.
        :returns: The number of samples triggering this signature.
    """
    handle, temp_sig = tempfile.mkstemp(suffix = "." + signature["type"])
    try:
        with os.fdopen(handle, "w") as f:
            f.write(signature["signature"])
        proc_clamscan = subprocess.Popen(["clamscan", 
                                          "-d", temp_sig,
                                          "--no-summary", "--infected"] + samples, 
                                         stdout = subprocess.PIPE,
                                         stderr = subprocess.PIPE)
        stdout, stderr = proc_clamscan.communicate()
        if not stdout:
            return 0
        else:
            return len(stdout.strip().split("\n"))
    finally:
        os.unlink(temp_sig) 

def whitelist_add():
    log.info("whitelist_add called")
    try:
        file_ = request.files["file"]
        handle, filename = tempfile.mkstemp()
        os.close(handle)
        file_.save(filename)
        data = request.get_json()
        if data and "functions" in data:
            functions = data["functions"]
        else:
            functions = None
        bass.whitelist_add(filename, functions)
        os.unlink(filename)
    except KeyError:
        log.exception("")
        return make_response(jsonify(message = "Sample file 'file' missing in POST request"), 400)

    return jsonify(message = "OK") 

def _symbolize(target, output, tool, exp_opt):
    fd, tmp_log = tempfile.mkstemp(prefix="%s_log" % tool, suffix=".txt", dir=".")
    try:
        os.write(fd, output)
    finally:
        os.close(fd)
    try:
        result = _common.run([TOOL_GDB, "-batch", "-nx",
                                        "-ex", "set python print-stack full",
                                        "-ex", "py import exploitable",
                                        "-ex", "exploitable -m %s %s" % (exp_opt, tmp_log),
                                        "-ex", "quit", target], timeout=180)
    finally:
        _common.delete(tmp_log)
    if result.classification == _common.TIMEOUT:
        raise RuntimeError("Timed out while processing %s output:\n%s" % (tool, output))
    result.backtrace, result.classification = _process_gdb_output(result.text)
    result.text = _common._limit_output_length(result.text)
    if result.classification == _common.NOT_AN_EXCEPTION:
        raise RuntimeError("Failed to process %s output:\n%s" % (tool, output))
    return result 

def test_setmtime(self):
        import tempfile
        import time
        try:
            fd, name = tempfile.mkstemp()
            os.close(fd)
        except AttributeError:
            name = tempfile.mktemp()
            open(name, 'w').close()
        try:
            mtime = int(time.time())-100
            path = local(name)
            assert path.mtime() != mtime
            path.setmtime(mtime)
            assert path.mtime() == mtime
            path.setmtime()
            assert path.mtime() != mtime
        finally:
            os.remove(name) 

def download_to_file(path, ext):
    # Is it worth to have the same name?
    # ppath = urlparse(path).path.split("/")
    # ppath = ppath[-1] if len(ppath) > 0 else None
    _, file_name = tempfile.mkstemp("." + ext)
    r = requests.get(path, stream=True)
    total_length = r.headers.get('content-length')
    dl = 0
    with open(file_name, 'wb') as f:
        if total_length is None:
            f.write(r.content)
        else:
            total_length = int(total_length)
            pbar = ProgressBar(maxval=total_length).start()
            for chunk in r.iter_content(chunk_size=1024):
                if chunk:  # filter out keep-alive new chunks
                    pbar.update(dl * len(chunk))
                    dl += 1
                    f.write(chunk)
                    f.flush()
            pbar.finish()
    return file_name 

def pickle_export(self, sample, is_64_bit = True, timeout = None):
        """
        Load a sample into IDA Pro, perform autoanalysis and export a pickle file. 
        :param sample: The sample's path
        :param is_64_bit: If the sample needs to be analyzed by the 64 bit version of IDA
        :param timeout: Timeout for the analysis in seconds
        :return: The file name of the exported pickle database. The file needs
        to be deleted by the caller. Returns None on error.
        """

        data_to_send = {
            "timeout": timeout,
            "is_64_bit": is_64_bit}
        url = "%s/pickle" % next(self._urls)
        log.debug("curl -XPOST --data '%s' '%s'", json.dumps(data_to_send), url)
        response = requests.post(url, data = data_to_send, files = {os.path.basename(sample): open(sample, "rb")})
        if response.status_code == 200:
            handle, output = tempfile.mkstemp(suffix = ".pickle")
            with os.fdopen(handle, "wb") as f:
                map(f.write, response.iter_content(1024))
            return output
        else:
            log.error("Bindiff server responded with status code %d: %s", response.status_code, response.content)
            return None 

def compare(self, primary, secondary, timeout = None):
        """
        Run BinDiff on the two BinDiff databases.
        :param primary: The first BinExport database
        :param secondary: The second BinExport database
        :param timeout: Timeout for the command in seconds
        :returns: The directory name of the directory with the generated data on the shared volume
        """

        url = "%s/compare" % next(self._urls)
        log.debug("curl -XPOST --form 'timeout=%s' --form 'primary=@%s' --form 'secondary=@%s' '%s'", str(timeout), primary, secondary, url)
        response = requests.post(url, data = {"timeout": timeout}, \
                files = {"primary": open(primary, "rb"), "secondary": open(secondary, "rb")})

        if response.status_code == 200:
            handle, path = tempfile.mkstemp(suffix = ".bindiff.sqlite3")
            with os.fdopen(handle, "wb") as f:
                map(f.write, response.iter_content(1024))
            return path
        else:
            log.error("Bindiff server responded with status code %d: %s", response.status_code, response.content)
            return None 

def testGenerateFiles(self):
    tmp_dir = self.get_temp_dir()
    (_, tmp_file_path) = tempfile.mkstemp(dir=tmp_dir)
    tmp_file_name = os.path.basename(tmp_file_path)

    # Generate a trivial file and assert the file exists.
    def test_generator():
      yield {"inputs": [1], "target": [1]}

    filenames = generator_utils.train_data_filenames(tmp_file_name, tmp_dir, 1)
    generator_utils.generate_files(test_generator(), filenames)
    self.assertTrue(tf.gfile.Exists(tmp_file_path + "-train-00000-of-00001"))

    # Clean up.
    os.remove(tmp_file_path + "-train-00000-of-00001")
    os.remove(tmp_file_path) 

def testGunzipFile(self):
    tmp_dir = self.get_temp_dir()
    (_, tmp_file_path) = tempfile.mkstemp(dir=tmp_dir)

    # Create a test zip file and unzip it.
    with gzip.open(tmp_file_path + ".gz", "wb") as gz_file:
      gz_file.write(bytes("test line", "utf-8"))
    generator_utils.gunzip_file(tmp_file_path + ".gz", tmp_file_path + ".txt")

    # Check that the unzipped result is as expected.
    lines = []
    for line in io.open(tmp_file_path + ".txt", "rb"):
      lines.append(line.decode("utf-8").strip())
    self.assertEqual(len(lines), 1)
    self.assertEqual(lines[0], "test line")

    # Clean up.
    os.remove(tmp_file_path + ".gz")
    os.remove(tmp_file_path + ".txt")
    os.remove(tmp_file_path) 

def open_media(scr, epub, src):
    sfx = os.path.splitext(src)[1]
    fd, path = tempfile.mkstemp(suffix=sfx)
    try:
        with os.fdopen(fd, "wb") as tmp:
            tmp.write(epub.file.read(src))
        # run(VWR +" "+ path, shell=True)
        subprocess.call(
            VWR + [path],
            # shell=True,
            stdout=subprocess.DEVNULL,
            stderr=subprocess.DEVNULL
        )
        k = scr.getch()
    finally:
        os.remove(path)
    return k 

def download(directory, filename):
  """Download (and unzip) a file from the MNIST dataset if not already done."""
  filepath = os.path.join(directory, filename)
  if tf.gfile.Exists(filepath):
    return filepath
  if not tf.gfile.Exists(directory):
    tf.gfile.MakeDirs(directory)
  # CVDF mirror of http://yann.lecun.com/exdb/mnist/
  url = 'https://storage.googleapis.com/cvdf-datasets/mnist/' + filename + '.gz'
  _, zipped_filepath = tempfile.mkstemp(suffix='.gz')
  print('Downloading %s to %s' % (url, zipped_filepath))
  urllib.request.urlretrieve(url, zipped_filepath)
  with gzip.open(zipped_filepath, 'rb') as f_in, \
      tf.gfile.Open(filepath, 'wb') as f_out:
    shutil.copyfileobj(f_in, f_out)
  os.remove(zipped_filepath)
  return filepath 

def download(directory, filename):
  """Download (and unzip) a file from the MNIST dataset if not already done."""
  filepath = os.path.join(directory, filename)
  if tf.gfile.Exists(filepath):
    return filepath
  if not tf.gfile.Exists(directory):
    tf.gfile.MakeDirs(directory)
  # CVDF mirror of http://yann.lecun.com/exdb/mnist/
  url = 'https://storage.googleapis.com/cvdf-datasets/mnist/' + filename + '.gz'
  _, zipped_filepath = tempfile.mkstemp(suffix='.gz')
  print('Downloading %s to %s' % (url, zipped_filepath))
  urllib.request.urlretrieve(url, zipped_filepath)
  with gzip.open(zipped_filepath, 'rb') as f_in, \
      tf.gfile.Open(filepath, 'wb') as f_out:
    shutil.copyfileobj(f_in, f_out)
  os.remove(zipped_filepath)
  return filepath 

def set(self, key, value, timeout=None):
        if timeout is None:
            timeout = self.default_timeout
        filename = self._get_filename(key)
        self._prune()
        try:
            fd, tmp = tempfile.mkstemp(suffix=self._fs_transaction_suffix,
                                       dir=self._path)
            f = os.fdopen(fd, 'wb')
            try:
                pickle.dump(int(time() + timeout), f, 1)
                pickle.dump(value, f, pickle.HIGHEST_PROTOCOL)
            finally:
                f.close()
            rename(tmp, filename)
            os.chmod(filename, self._mode)
        except (IOError, OSError):
            pass 

def put(self, key, sync_object, callback=None):
        path = os.path.join(self.path, key)
        self.ensure_path(path)

        BUFFER_SIZE = 4096
        fd, temp_path = tempfile.mkstemp()

        try:
            with open(temp_path, "wb") as fp_1:
                while True:
                    data = sync_object.fp.read(BUFFER_SIZE)
                    fp_1.write(data)
                    if callback is not None:
                        callback(len(data))
                    if len(data) < BUFFER_SIZE:
                        break
            shutil.move(temp_path, path)
        except Exception:
            os.remove(temp_path)
            raise
        finally:
            os.close(fd)

        self.set_remote_timestamp(key, sync_object.timestamp) 

def cache_to_tempfile(cls, sequence, delete_on_gc=True):
        """
        Write the given sequence to a temporary file as a pickle
        corpus; and then return a ``PickleCorpusView`` view for that
        temporary corpus file.

        :param delete_on_gc: If true, then the temporary file will be
            deleted whenever this object gets garbage-collected.
        """
        try:
            fd, output_file_name = tempfile.mkstemp('.pcv', 'nltk-')
            output_file = os.fdopen(fd, 'wb')
            cls.write(sequence, output_file)
            output_file.close()
            return PickleCorpusView(output_file_name, delete_on_gc)
        except (OSError, IOError) as e:
            raise ValueError('Error while creating temp file: %s' % e)



######################################################################
#{ Block Readers
###################################################################### 

def dump(self, filename=None):
        """
        Save a pickle dump of the crashing object on filename.
        If filename is None, the crash dump is saved on a file created by
        the tempfile module.
        Return the filename.
        """
        if filename is None:
            # This 'temporary file' should actually stay 'forever', i.e. until
            # deleted by the user.
            (fd, filename)=_tempfile.mkstemp(suffix=".pic", prefix="MDPcrash_")
            fl = _os.fdopen(fd, 'w+b', -1)
        else:
            fl = open(filename, 'w+b', -1)
        _cPickle.dump(self.crashing_obj, fl)
        fl.close()
        return filename 

def showTempPDF(pdfData, cfgGl, mainFrame):
    try:
        try:
            util.removeTempFiles(misc.tmpPrefix)

            fd, filename = tempfile.mkstemp(prefix = misc.tmpPrefix,
                                            suffix = ".pdf")

            try:
                os.write(fd, pdfData)
            finally:
                os.close(fd)

            util.showPDF(filename, cfgGl, mainFrame)

        except IOError, (errno, strerror):
            raise MiscError("IOError: %s" % strerror)

    except TrelbyError, e:
        wx.MessageBox("Error writing temporary PDF file: %s" % e,
                      "Error", wx.OK, mainFrame) 

def __deserialize_file(self, response):
        """Deserializes body to file

        Saves response body into a file in a temporary folder,
        using the filename from the `Content-Disposition` header if provided.

        :param response:  RESTResponse.
        :return: file path.
        """
        fd, path = tempfile.mkstemp(dir=self.configuration.temp_folder_path)
        os.close(fd)
        os.remove(path)

        content_disposition = response.getheader("Content-Disposition")
        if content_disposition:
            filename = re.search(r'filename=[\'"]?([^\'"\s]+)[\'"]?',
                                 content_disposition).group(1)
            path = os.path.join(os.path.dirname(path), filename)

        with open(path, "wb") as f:
            f.write(response.data)

        return path 

def _compile_module_file(template, text, filename, outputpath, module_writer):
    source, lexer = _compile(
        template, text, filename, generate_magic_comment=True
    )

    if isinstance(source, compat.text_type):
        source = source.encode(lexer.encoding or "ascii")

    if module_writer:
        module_writer(source, outputpath)
    else:
        # make tempfiles in the same location as the ultimate
        # location.   this ensures they're on the same filesystem,
        # avoiding synchronization issues.
        (dest, name) = tempfile.mkstemp(dir=os.path.dirname(outputpath))

        os.write(dest, source)
        os.close(dest)
        shutil.move(name, outputpath) 

def _compile_module_file(template, text, filename, outputpath, module_writer):
    source, lexer = _compile(
        template, text, filename, generate_magic_comment=True
    )

    if isinstance(source, compat.text_type):
        source = source.encode(lexer.encoding or "ascii")

    if module_writer:
        module_writer(source, outputpath)
    else:
        # make tempfiles in the same location as the ultimate
        # location.   this ensures they're on the same filesystem,
        # avoiding synchronization issues.
        (dest, name) = tempfile.mkstemp(dir=os.path.dirname(outputpath))

        os.write(dest, source)
        os.close(dest)
        shutil.move(name, outputpath) 

def run_py(executable, *code):
    """Run the given python code with the given executable."""
    if os.name == 'nt' and len(code) > 1:
        # Windows can't do newlines in arguments...
        oshandle, filename = tempfile.mkstemp()
        with os.fdopen(oshandle, 'w') as f:
            f.write('\n'.join(code))
        cmd = [executable, filename]
        try:
            ret = subprocess.run(cmd, universal_newlines=True, check=True,
                                 stdout=subprocess.PIPE).stdout
        finally:
            os.remove(filename)
    else:
        cmd = [executable, '-c', '\n'.join(code)]
        ret = subprocess.run(cmd, universal_newlines=True, check=True,
                             stdout=subprocess.PIPE).stdout
    return ret.rstrip() 

def bindiff_pickle_export(self, sample, is_64_bit = True, timeout = None):
        """
        Load a sample into IDA Pro, perform autoanalysis and export a pickle file. 
        :param sample: The sample's path
        :param is_64_bit: If the sample needs to be analyzed by the 64 bit version of IDA
        :param timeout: Timeout for the analysis in seconds
        :return: The file name of the exported pickle database. The file needs
        to be deleted by the caller. Returns None on error.
        """

        data_to_send = {
            "timeout": timeout,
            "is_64_bit": is_64_bit}
        url = "%s/binexport_pickle" % next(self._urls)
        log.debug("curl -XPOST --data '%s' '%s'", json.dumps(data_to_send), url)
        response = requests.post(url, data = data_to_send, files = {os.path.basename(sample): open(sample, "rb")})
        if response.status_code == 200:
            handle_tar, path_tar = tempfile.mkstemp(suffix = ".tar.gz")
            with os.fdopen(handle_tar, "wb") as f:
                map(f.write, response.iter_content(1024))
            directory = tempfile.mkdtemp()
            subprocess.check_call(["tar", "xf", path_tar], cwd = directory)

            handle_bindiff, output_bindiff = tempfile.mkstemp(suffix = ".BinExport")
            with os.fdopen(handle_bindiff, "wb") as f:
                with open(os.path.join(directory, "output.BinExport"), "rb") as f2:
                    shutil.copyfileobj(f2, f)
            handle_pickle, output_pickle = tempfile.mkstemp(suffix = ".pickle")
            with os.fdopen(handle_pickle, "wb") as f:
                with open(os.path.join(directory, "output.pickle"), "rb") as f2:
                    shutil.copyfileobj(f2, f)
            os.unlink(path_tar)
            shutil.rmtree(directory)
            return output_bindiff, output_pickle
        else:
            log.error("Bindiff server responded with status code %d: %s", response.status_code, response.content)
            return None 

def test_fuzz_file(self):
        f = RadamsaFuzzer()
        f_d, f_n = tempfile.mkstemp()
        test_case = "Fuzztron 2000 ALF <test> (12x123x1234)"
        with os.fdopen(f_d, "wb") as fp:
            fp.write(test_case)
        for _ in range(10):
            f.fuzz_file(f_n, "tmp_fuzz_radamsa")
            with open("tmp_fuzz_radamsa", "rb") as fp:
                self.assertNotEqual(fp.read(), test_case)
        os.remove(f_n)
        os.remove("tmp_fuzz_radamsa") 

def usocket_path():
    fd, path = tempfile.mkstemp('cp_test.sock')
    os.close(fd)
    os.remove(path)
    return path 

def create_temp_ini(self, options={}):
        ini = ConfigParser.RawConfigParser()
        # iterate over sections
        for section, tokens in options.iteritems():
            ini.add_section(section)
            for key, value in tokens.iteritems():
                ini.set(section, key, value)

        fd, path = tempfile.mkstemp(suffix=".ini")
        with os.fdopen(fd, 'w') as f:
            ini.write(f)
        return path 

def create_payload_tar(self):
        tar_path = tempfile.mkstemp(suffix=".tar.gz")[1]
        ssh_key = self._ssh_pubkey_data
        with tarfile.open(tar_path, "w:gz") as tar:
            tar.add('payload/', arcname='payload')

            ssh_key_str = StringIO.StringIO(ssh_key)

            info = tarfile.TarInfo(name="payload/id_rsa.pub")
            info.size=len(ssh_key)

            tar.addfile(tarinfo=info, fileobj=StringIO.StringIO(ssh_key))
        return tar_path 

def test_handler_uploads_queue_contents_to_bucket(self):
        self._send_messages_to_the_queue(1)
        b = self.environment.get_create_bucket()
        self.assertEqual(0, sum(1 for _ in b.objects.all()))
        _, temp_filepath = tempfile.mkstemp()
        os.environ.update({
            'QUEUE_NAME': self.environment._queue_name,
            'BUCKET_NAME': self.environment._bucket_name,
            'TEMP_FILE_PATH': temp_filepath
        })
        handler(None, None)
        self.assertEqual(1, sum(1 for _ in b.objects.all())) 

def writeTempFile(data):
    """
    Write data to a temporary file and return path to that file.
    """
    fd, path = tempfile.mkstemp()
    os.write(fd, data)
    os.close(fd)
    return path 

def test_read_yaml_file():
    fd, path = tempfile.mkstemp()
    os.close(fd)

    with open(path, "w") as output:
        output.write("value: 42\n")

    result = pdosq.read_yaml_file(path)
    assert result['value'] == 42

    pdosq.safe_remove(path)
    assert pdosq.read_yaml_file(path, default=None) is None
    assert pdosq.read_yaml_file(path, default={}) == {}