mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-21 17:16:35 +03:00
315 lines
8.8 KiB
Python
315 lines
8.8 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
|
|
See the file 'LICENSE' for copying permission
|
|
"""
|
|
|
|
from __future__ import division
|
|
|
|
import binascii
|
|
import functools
|
|
import math
|
|
import os
|
|
import random
|
|
import re
|
|
import sys
|
|
import time
|
|
import uuid
|
|
|
|
class WichmannHill(random.Random):
|
|
"""
|
|
Reference: https://svn.python.org/projects/python/trunk/Lib/random.py
|
|
"""
|
|
|
|
VERSION = 1 # used by getstate/setstate
|
|
|
|
def seed(self, a=None):
|
|
"""Initialize internal state from hashable object.
|
|
|
|
None or no argument seeds from current time or from an operating
|
|
system specific randomness source if available.
|
|
|
|
If a is not None or an int or long, hash(a) is used instead.
|
|
|
|
If a is an int or long, a is used directly. Distinct values between
|
|
0 and 27814431486575L inclusive are guaranteed to yield distinct
|
|
internal states (this guarantee is specific to the default
|
|
Wichmann-Hill generator).
|
|
"""
|
|
|
|
if a is None:
|
|
try:
|
|
a = int(binascii.hexlify(os.urandom(16)), 16)
|
|
except NotImplementedError:
|
|
a = int(time.time() * 256) # use fractional seconds
|
|
|
|
if not isinstance(a, int):
|
|
a = hash(a)
|
|
|
|
a, x = divmod(a, 30268)
|
|
a, y = divmod(a, 30306)
|
|
a, z = divmod(a, 30322)
|
|
self._seed = int(x) + 1, int(y) + 1, int(z) + 1
|
|
|
|
self.gauss_next = None
|
|
|
|
def random(self):
|
|
"""Get the next random number in the range [0.0, 1.0)."""
|
|
|
|
# Wichman-Hill random number generator.
|
|
#
|
|
# Wichmann, B. A. & Hill, I. D. (1982)
|
|
# Algorithm AS 183:
|
|
# An efficient and portable pseudo-random number generator
|
|
# Applied Statistics 31 (1982) 188-190
|
|
#
|
|
# see also:
|
|
# Correction to Algorithm AS 183
|
|
# Applied Statistics 33 (1984) 123
|
|
#
|
|
# McLeod, A. I. (1985)
|
|
# A remark on Algorithm AS 183
|
|
# Applied Statistics 34 (1985),198-200
|
|
|
|
# This part is thread-unsafe:
|
|
# BEGIN CRITICAL SECTION
|
|
x, y, z = self._seed
|
|
x = (171 * x) % 30269
|
|
y = (172 * y) % 30307
|
|
z = (170 * z) % 30323
|
|
self._seed = x, y, z
|
|
# END CRITICAL SECTION
|
|
|
|
# Note: on a platform using IEEE-754 double arithmetic, this can
|
|
# never return 0.0 (asserted by Tim; proof too long for a comment).
|
|
return (x / 30269.0 + y / 30307.0 + z / 30323.0) % 1.0
|
|
|
|
def getstate(self):
|
|
"""Return internal state; can be passed to setstate() later."""
|
|
return self.VERSION, self._seed, self.gauss_next
|
|
|
|
def setstate(self, state):
|
|
"""Restore internal state from object returned by getstate()."""
|
|
version = state[0]
|
|
if version == 1:
|
|
version, self._seed, self.gauss_next = state
|
|
else:
|
|
raise ValueError("state with version %s passed to "
|
|
"Random.setstate() of version %s" %
|
|
(version, self.VERSION))
|
|
|
|
def jumpahead(self, n):
|
|
"""Act as if n calls to random() were made, but quickly.
|
|
|
|
n is an int, greater than or equal to 0.
|
|
|
|
Example use: If you have 2 threads and know that each will
|
|
consume no more than a million random numbers, create two Random
|
|
objects r1 and r2, then do
|
|
r2.setstate(r1.getstate())
|
|
r2.jumpahead(1000000)
|
|
Then r1 and r2 will use guaranteed-disjoint segments of the full
|
|
period.
|
|
"""
|
|
|
|
if n < 0:
|
|
raise ValueError("n must be >= 0")
|
|
x, y, z = self._seed
|
|
x = int(x * pow(171, n, 30269)) % 30269
|
|
y = int(y * pow(172, n, 30307)) % 30307
|
|
z = int(z * pow(170, n, 30323)) % 30323
|
|
self._seed = x, y, z
|
|
|
|
def __whseed(self, x=0, y=0, z=0):
|
|
"""Set the Wichmann-Hill seed from (x, y, z).
|
|
|
|
These must be integers in the range [0, 256).
|
|
"""
|
|
|
|
if not type(x) == type(y) == type(z) == int:
|
|
raise TypeError('seeds must be integers')
|
|
if not (0 <= x < 256 and 0 <= y < 256 and 0 <= z < 256):
|
|
raise ValueError('seeds must be in range(0, 256)')
|
|
if 0 == x == y == z:
|
|
# Initialize from current time
|
|
t = int(time.time() * 256)
|
|
t = int((t & 0xffffff) ^ (t >> 24))
|
|
t, x = divmod(t, 256)
|
|
t, y = divmod(t, 256)
|
|
t, z = divmod(t, 256)
|
|
# Zero is a poor seed, so substitute 1
|
|
self._seed = (x or 1, y or 1, z or 1)
|
|
|
|
self.gauss_next = None
|
|
|
|
def whseed(self, a=None):
|
|
"""Seed from hashable object's hash code.
|
|
|
|
None or no argument seeds from current time. It is not guaranteed
|
|
that objects with distinct hash codes lead to distinct internal
|
|
states.
|
|
|
|
This is obsolete, provided for compatibility with the seed routine
|
|
used prior to Python 2.1. Use the .seed() method instead.
|
|
"""
|
|
|
|
if a is None:
|
|
self.__whseed()
|
|
return
|
|
a = hash(a)
|
|
a, x = divmod(a, 256)
|
|
a, y = divmod(a, 256)
|
|
a, z = divmod(a, 256)
|
|
x = (x + a) % 256 or 1
|
|
y = (y + a) % 256 or 1
|
|
z = (z + a) % 256 or 1
|
|
self.__whseed(x, y, z)
|
|
|
|
def patchHeaders(headers):
|
|
if headers is not None and not hasattr(headers, "headers"):
|
|
if isinstance(headers, dict):
|
|
class _(dict):
|
|
def __getitem__(self, key):
|
|
for key_ in self:
|
|
if key_.lower() == key.lower():
|
|
return super(_, self).__getitem__(key_)
|
|
|
|
raise KeyError(key)
|
|
|
|
def get(self, key, default=None):
|
|
try:
|
|
return self[key]
|
|
except KeyError:
|
|
return default
|
|
|
|
headers = _(headers)
|
|
|
|
headers.headers = ["%s: %s\r\n" % (header, headers[header]) for header in headers]
|
|
|
|
return headers
|
|
|
|
def cmp(a, b):
|
|
"""
|
|
>>> cmp("a", "b")
|
|
-1
|
|
>>> cmp(2, 1)
|
|
1
|
|
"""
|
|
|
|
if a < b:
|
|
return -1
|
|
elif a > b:
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
# Reference: https://github.com/urllib3/urllib3/blob/master/src/urllib3/filepost.py
|
|
def choose_boundary():
|
|
"""
|
|
>>> len(choose_boundary()) == 32
|
|
True
|
|
"""
|
|
|
|
retval = ""
|
|
|
|
try:
|
|
retval = uuid.uuid4().hex
|
|
except AttributeError:
|
|
retval = "".join(random.sample("0123456789abcdef", 1)[0] for _ in xrange(32))
|
|
|
|
return retval
|
|
|
|
# Reference: http://python3porting.com/differences.html
|
|
def round(x, d=0):
|
|
"""
|
|
>>> round(2.0)
|
|
2.0
|
|
>>> round(2.5)
|
|
3.0
|
|
"""
|
|
|
|
p = 10 ** d
|
|
if x > 0:
|
|
return float(math.floor((x * p) + 0.5)) / p
|
|
else:
|
|
return float(math.ceil((x * p) - 0.5)) / p
|
|
|
|
# Reference: https://code.activestate.com/recipes/576653-convert-a-cmp-function-to-a-key-function/
|
|
def cmp_to_key(mycmp):
|
|
"""Convert a cmp= function into a key= function"""
|
|
class K(object):
|
|
__slots__ = ['obj']
|
|
|
|
def __init__(self, obj, *args):
|
|
self.obj = obj
|
|
|
|
def __lt__(self, other):
|
|
return mycmp(self.obj, other.obj) < 0
|
|
|
|
def __gt__(self, other):
|
|
return mycmp(self.obj, other.obj) > 0
|
|
|
|
def __eq__(self, other):
|
|
return mycmp(self.obj, other.obj) == 0
|
|
|
|
def __le__(self, other):
|
|
return mycmp(self.obj, other.obj) <= 0
|
|
|
|
def __ge__(self, other):
|
|
return mycmp(self.obj, other.obj) >= 0
|
|
|
|
def __ne__(self, other):
|
|
return mycmp(self.obj, other.obj) != 0
|
|
|
|
def __hash__(self):
|
|
raise TypeError('hash not implemented')
|
|
|
|
return K
|
|
|
|
# Note: patch for Python 2.6
|
|
if not hasattr(functools, "cmp_to_key"):
|
|
functools.cmp_to_key = cmp_to_key
|
|
|
|
if sys.version_info >= (3, 0):
|
|
xrange = range
|
|
buffer = memoryview
|
|
else:
|
|
xrange = xrange
|
|
buffer = buffer
|
|
|
|
def LooseVersion(version):
|
|
"""
|
|
>>> LooseVersion("1.0") == LooseVersion("1.0")
|
|
True
|
|
>>> LooseVersion("1.0.1") > LooseVersion("1.0")
|
|
True
|
|
>>> LooseVersion("1.0.1-") == LooseVersion("1.0.1")
|
|
True
|
|
>>> LooseVersion("1.0.11") < LooseVersion("1.0.111")
|
|
True
|
|
>>> LooseVersion("foobar") > LooseVersion("1.0")
|
|
False
|
|
>>> LooseVersion("1.0") > LooseVersion("foobar")
|
|
False
|
|
>>> LooseVersion("3.22-mysql") == LooseVersion("3.22-mysql-ubuntu0.3")
|
|
True
|
|
>>> LooseVersion("8.0.22-0ubuntu0.20.04.2")
|
|
8.000022
|
|
"""
|
|
|
|
match = re.search(r"\A(\d[\d.]*)", version or "")
|
|
|
|
if match:
|
|
result = 0
|
|
value = match.group(1)
|
|
weight = 1.0
|
|
for part in value.strip('.').split('.'):
|
|
if part.isdigit():
|
|
result += int(part) * weight
|
|
weight *= 1e-3
|
|
else:
|
|
result = float("NaN")
|
|
|
|
return result
|