def safe_string(s):
out = b('')
for c in s:
i = byte_ord(c)
if 32 <= i <= 127:
out += byte_chr(i)
else:
out += b('%%%02X' % i)
return out
def __call__(self):
"""Increament the counter and return the new value"""
i = self.blocksize - 1
while i > -1:
c = self.value[i] = byte_chr((byte_ord(self.value[i]) + 1) % 256)
if c != zero_byte:
return self.value.tostring()
i -= 1
# counter reset
x = deflate_long(self.overflow, add_sign_padding=False)
self.value = array.array('c', zero_byte * (self.blocksize - len(x)) + x)
return self.value.tostring()
Useful functions used by the rest of paramiko. """ from __future__ import generators import array import errno import sys import struct import traceback import threading import logging from dumputils.py3compat import PY2, long, byte_ord, b, byte_chr zero_byte = byte_chr(0) one_byte = byte_chr(1) four_byte = byte_chr(4) max_byte = byte_chr(0xff) cr_byte = byte_chr(13) linefeed_byte = byte_chr(10) crlf = cr_byte + linefeed_byte xffffffff = long(0xffffffff) DEBUG = logging.DEBUG INFO = logging.INFO WARNING = logging.WARNING ERROR = logging.ERROR CRITICAL = logging.CRITICAL def inflate_long(s, always_positive=False):
