Fixes #3555

lib/core/compat.py

@@ -0,0 +1,161 @@
+#!/usr/bin/env python2
+
+"""
+Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+import binascii
+import os
+import random
+
+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:
+                import time
+                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 not 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
+            import 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)

lib/core/settings.py

@@ -17,7 +17,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.3.58"
+VERSION = "1.3.3.59"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)