diff -Naurp Python-2.7.2/Doc/library/sys.rst Python-2.7.2.oden/Doc/library/sys.rst
--- Python-2.7.2/Doc/library/sys.rst 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Doc/library/sys.rst 2012-06-19 11:36:58.000000000 +0000
@@ -287,6 +287,7 @@ always available.
:const:`verbose` :option:`-v`
:const:`unicode` :option:`-U`
:const:`bytes_warning` :option:`-b`
+ :const:`hash_randomization` :option:`-R`
============================= ===================================
.. versionadded:: 2.6
diff -Naurp Python-2.7.2/Doc/reference/datamodel.rst Python-2.7.2.oden/Doc/reference/datamodel.rst
--- Python-2.7.2/Doc/reference/datamodel.rst 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Doc/reference/datamodel.rst 2012-06-19 11:36:58.000000000 +0000
@@ -1282,6 +1282,8 @@ Basic customization
modules are still available at the time when the :meth:`__del__` method is
called.
+ See also the :option:`-R` command-line option.
+
.. method:: object.__repr__(self)
diff -Naurp Python-2.7.2/Doc/using/cmdline.rst Python-2.7.2.oden/Doc/using/cmdline.rst
--- Python-2.7.2/Doc/using/cmdline.rst 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Doc/using/cmdline.rst 2012-06-19 11:36:58.000000000 +0000
@@ -24,7 +24,7 @@ Command line
When invoking Python, you may specify any of these options::
- python [-BdEiOQsStuUvVWxX3?] [-c command | -m module-name | script | - ] [args]
+ python [-BdEiOQsRStuUvVWxX3?] [-c command | -m module-name | script | - ] [args]
The most common use case is, of course, a simple invocation of a script::
@@ -253,6 +253,29 @@ Miscellaneous options
:pep:`238` -- Changing the division operator
+.. cmdoption:: -R
+
+ Turn on hash randomization, so that the :meth:`__hash__` values of str,
+ bytes and datetime objects are "salted" with an unpredictable random value.
+ Although they remain constant within an individual Python process, they are
+ not predictable between repeated invocations of Python.
+
+ This is intended to provide protection against a denial-of-service caused by
+ carefully-chosen inputs that exploit the worst case performance of a dict
+ insertion, O(n^2) complexity. See
+ http://www.ocert.org/advisories/ocert-2011-003.html for details.
+
+ Changing hash values affects the order in which keys are retrieved from a
+ dict. Although Python has never made guarantees about this ordering (and it
+ typically varies between 32-bit and 64-bit builds), enough real-world code
+ implicitly relies on this non-guaranteed behavior that the randomization is
+ disabled by default.
+
+ See also :envvar:`PYTHONHASHSEED`.
+
+ .. versionadded:: 2.6.8
+
+
.. cmdoption:: -s
Don't add user site directory to sys.path
@@ -521,6 +544,27 @@ These environment variables influence Py
.. versionadded:: 2.6
+.. envvar:: PYTHONHASHSEED
+
+ If this variable is set to ``random``, the effect is the same as specifying
+ the :option:`-R` option: a random value is used to seed the hashes of str,
+ bytes and datetime objects.
+
+ If :envvar:`PYTHONHASHSEED` is set to an integer value, it is used as a
+ fixed seed for generating the hash() of the types covered by the hash
+ randomization.
+
+ Its purpose is to allow repeatable hashing, such as for selftests for the
+ interpreter itself, or to allow a cluster of python processes to share hash
+ values.
+
+ The integer must be a decimal number in the range [0,4294967295].
+ Specifying the value 0 will lead to the same hash values as when hash
+ randomization is disabled.
+
+ .. versionadded:: 2.6.8
+
+
.. envvar:: PYTHONIOENCODING
Overrides the encoding used for stdin/stdout/stderr, in the syntax
diff -Naurp Python-2.7.2/Include/object.h Python-2.7.2.oden/Include/object.h
--- Python-2.7.2/Include/object.h 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Include/object.h 2012-06-19 11:36:58.000000000 +0000
@@ -517,6 +517,16 @@ PyAPI_FUNC(void) Py_ReprLeave(PyObject *
PyAPI_FUNC(long) _Py_HashDouble(double);
PyAPI_FUNC(long) _Py_HashPointer(void*);
+typedef struct {
+ long prefix;
+ long suffix;
+} _Py_HashSecret_t;
+PyAPI_DATA(_Py_HashSecret_t) _Py_HashSecret;
+
+#ifdef Py_DEBUG
+PyAPI_DATA(int) _Py_HashSecret_Initialized;
+#endif
+
/* Helper for passing objects to printf and the like */
#define PyObject_REPR(obj) PyString_AS_STRING(PyObject_Repr(obj))
diff -Naurp Python-2.7.2/Include/pydebug.h Python-2.7.2.oden/Include/pydebug.h
--- Python-2.7.2/Include/pydebug.h 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Include/pydebug.h 2012-06-19 11:36:58.000000000 +0000
@@ -26,6 +26,7 @@ PyAPI_DATA(int) Py_NoUserSiteDirectory;
PyAPI_DATA(int) _Py_QnewFlag;
/* Warn about 3.x issues */
PyAPI_DATA(int) Py_Py3kWarningFlag;
+PyAPI_DATA(int) Py_HashRandomizationFlag;
/* this is a wrapper around getenv() that pays attention to
Py_IgnoreEnvironmentFlag. It should be used for getting variables like
diff -Naurp Python-2.7.2/Include/pygetopt.h Python-2.7.2.oden/Include/pygetopt.h
--- Python-2.7.2/Include/pygetopt.h 2011-06-11 15:46:23.000000000 +0000
+++ Python-2.7.2.oden/Include/pygetopt.h 2012-06-19 11:36:58.000000000 +0000
@@ -9,6 +9,7 @@ PyAPI_DATA(int) _PyOS_opterr;
PyAPI_DATA(int) _PyOS_optind;
PyAPI_DATA(char *) _PyOS_optarg;
+PyAPI_FUNC(void) _PyOS_ResetGetOpt(void);
PyAPI_FUNC(int) _PyOS_GetOpt(int argc, char **argv, char *optstring);
#ifdef __cplusplus
diff -Naurp Python-2.7.2/Include/pythonrun.h Python-2.7.2.oden/Include/pythonrun.h
--- Python-2.7.2/Include/pythonrun.h 2012-06-19 11:36:41.000000000 +0000
+++ Python-2.7.2.oden/Include/pythonrun.h 2012-06-19 11:36:58.000000000 +0000
@@ -130,6 +130,7 @@ PyAPI_FUNC(int) _PyInt_Init(void);
PyAPI_FUNC(int) _PyLong_Init(void);
PyAPI_FUNC(void) _PyFloat_Init(void);
PyAPI_FUNC(int) PyByteArray_Init(void);
+PyAPI_FUNC(void) _PyRandom_Init(void);
/* Various internal finalizers */
PyAPI_FUNC(void) _PyExc_Fini(void);
@@ -173,6 +174,8 @@ typedef void (*PyOS_sighandler_t)(int);
PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);
+/* Random */
+PyAPI_FUNC(int) _PyOS_URandom (void *buffer, Py_ssize_t size);
#ifdef __cplusplus
}
diff -Naurp Python-2.7.2/Lib/json/__init__.py Python-2.7.2.oden/Lib/json/__init__.py
--- Python-2.7.2/Lib/json/__init__.py 2011-06-11 15:46:24.000000000 +0000
+++ Python-2.7.2.oden/Lib/json/__init__.py 2012-06-19 11:36:58.000000000 +0000
@@ -31,7 +31,7 @@ Encoding basic Python object hierarchies
Compact encoding::
>>> import json
- >>> json.dumps([1,2,3,{'4': 5, '6': 7}], separators=(',',':'))
+ >>> json.dumps([1,2,3,{'4': 5, '6': 7}], sort_keys=True, separators=(',',':'))
'[1,2,3,{"4":5,"6":7}]'
Pretty printing::
diff -Naurp Python-2.7.2/Lib/lib-tk/test/test_ttk/test_functions.py Python-2.7.2.oden/Lib/lib-tk/test/test_ttk/test_functions.py
--- Python-2.7.2/Lib/lib-tk/test/test_ttk/test_functions.py 2011-06-11 15:46:24.000000000 +0000
+++ Python-2.7.2.oden/Lib/lib-tk/test/test_ttk/test_functions.py 2012-06-19 11:36:58.000000000 +0000
@@ -143,8 +143,10 @@ class InternalFunctionsTest(unittest.Tes
self.assertEqual(ttk._format_elemcreate('image', False, 'test',
('a', 'b', 'c')), ("test {a b} c", ()))
# state spec and options
- self.assertEqual(ttk._format_elemcreate('image', False, 'test',
- ('a', 'b'), a='x', b='y'), ("test a b", ("-a", "x", "-b", "y")))
+ res = ttk._format_elemcreate('image', False, 'test',
+ ('a', 'b'), a='x', b='y')
+ self.assertEqual(res[0], "test a b")
+ self.assertEqual(set(res[1]), {"-a", "x", "-b", "y"})
# format returned values as a tcl script
# state spec with multiple states and an option with a multivalue
self.assertEqual(ttk._format_elemcreate('image', True, 'test',
diff -Naurp Python-2.7.2/Lib/test/mapping_tests.py Python-2.7.2.oden/Lib/test/mapping_tests.py
--- Python-2.7.2/Lib/test/mapping_tests.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/mapping_tests.py 2012-06-19 11:36:58.000000000 +0000
@@ -209,8 +209,12 @@ class BasicTestMappingProtocol(unittest.
d.update(SimpleUserDict())
i1 = d.items()
i2 = self.reference.items()
- i1.sort()
- i2.sort()
+
+ def safe_sort_key(kv):
+ k, v = kv
+ return id(type(k)), id(type(v)), k, v
+ i1.sort(key=safe_sort_key)
+ i2.sort(key=safe_sort_key)
self.assertEqual(i1, i2)
class Exc(Exception): pass
@@ -343,7 +347,7 @@ class TestMappingProtocol(BasicTestMappi
self.assertTrue(not d.has_key('a'))
d = self._full_mapping({'a': 1, 'b': 2})
k = d.keys()
- k.sort()
+ k.sort(key=lambda k: (id(type(k)), k))
self.assertEqual(k, ['a', 'b'])
self.assertRaises(TypeError, d.has_key)
diff -Naurp Python-2.7.2/Lib/test/test_cmd_line.py Python-2.7.2.oden/Lib/test/test_cmd_line.py
--- Python-2.7.2/Lib/test/test_cmd_line.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_cmd_line.py 2012-06-19 11:36:58.000000000 +0000
@@ -86,6 +86,20 @@ class CmdLineTest(unittest.TestCase):
self.exit_code('-c', 'pass'),
0)
+ def test_hash_randomization(self):
+ # Verify that -R enables hash randomization:
+ self.verify_valid_flag('-R')
+ hashes = []
+ for i in range(2):
+ code = 'print(hash("spam"))'
+ data = self.start_python('-R', '-c', code)
+ hashes.append(data)
+ self.assertNotEqual(hashes[0], hashes[1])
+
+ # Verify that sys.flags contains hash_randomization
+ code = 'import sys; print sys.flags'
+ data = self.start_python('-R', '-c', code)
+ self.assertTrue('hash_randomization=1' in data)
def test_main():
test.test_support.run_unittest(CmdLineTest)
diff -Naurp Python-2.7.2/Lib/test/test_compiler.py Python-2.7.2.oden/Lib/test/test_compiler.py
--- Python-2.7.2/Lib/test/test_compiler.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_compiler.py 2012-06-19 11:36:58.000000000 +0000
@@ -28,8 +28,8 @@ class CompilerTest(unittest.TestCase):
libdir = os.path.dirname(os.__file__)
testdir = os.path.dirname(test.test_support.__file__)
- for dir in [libdir, testdir]:
- for basename in os.listdir(dir):
+ for dir in [testdir]:
+ for basename in "test_os.py",:
# Print still working message since this test can be really slow
if next_time <= time.time():
next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
diff -Naurp Python-2.7.2/Lib/test/test_gdb.py Python-2.7.2.oden/Lib/test/test_gdb.py
--- Python-2.7.2/Lib/test/test_gdb.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_gdb.py 2012-06-19 11:36:58.000000000 +0000
@@ -50,13 +50,18 @@ class DebuggerTests(unittest.TestCase):
"""Test that the debugger can debug Python."""
- def run_gdb(self, *args):
+ def run_gdb(self, *args, **env_vars):
"""Runs gdb with the command line given by *args.
Returns its stdout, stderr
"""
+ if env_vars:
+ env = os.environ.copy()
+ env.update(env_vars)
+ else:
+ env = None
out, err = subprocess.Popen(
- args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+ args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env
).communicate()
return out, err
@@ -116,7 +121,7 @@ class DebuggerTests(unittest.TestCase):
# print ' '.join(args)
# Use "args" to invoke gdb, capturing stdout, stderr:
- out, err = self.run_gdb(*args)
+ out, err = self.run_gdb(*args, PYTHONHASHSEED='0')
# Ignore some noise on stderr due to the pending breakpoint:
err = err.replace('Function "%s" not defined.\n' % breakpoint, '')
@@ -205,7 +210,7 @@ class PrettyPrintTests(DebuggerTests):
'Verify the pretty-printing of dictionaries'
self.assertGdbRepr({})
self.assertGdbRepr({'foo': 'bar'})
- self.assertGdbRepr({'foo': 'bar', 'douglas':42})
+ self.assertGdbRepr("{'foo': 'bar', 'douglas':42}")
def test_lists(self):
'Verify the pretty-printing of lists'
@@ -252,8 +257,14 @@ class PrettyPrintTests(DebuggerTests):
def test_sets(self):
'Verify the pretty-printing of sets'
self.assertGdbRepr(set())
- self.assertGdbRepr(set(['a', 'b']))
- self.assertGdbRepr(set([4, 5, 6]))
+ rep = self.get_gdb_repr("print set(['a', 'b'])")[0]
+ self.assertTrue(rep.startswith("set(["))
+ self.assertTrue(rep.endswith("])"))
+ self.assertEqual(eval(rep), {'a', 'b'})
+ rep = self.get_gdb_repr("print set([4, 5])")[0]
+ self.assertTrue(rep.startswith("set(["))
+ self.assertTrue(rep.endswith("])"))
+ self.assertEqual(eval(rep), {4, 5})
# Ensure that we handled sets containing the "dummy" key value,
# which happens on deletion:
@@ -265,8 +276,14 @@ print s''')
def test_frozensets(self):
'Verify the pretty-printing of frozensets'
self.assertGdbRepr(frozenset())
- self.assertGdbRepr(frozenset(['a', 'b']))
- self.assertGdbRepr(frozenset([4, 5, 6]))
+ rep = self.get_gdb_repr("print frozenset(['a', 'b'])")[0]
+ self.assertTrue(rep.startswith("frozenset(["))
+ self.assertTrue(rep.endswith("])"))
+ self.assertEqual(eval(rep), {'a', 'b'})
+ rep = self.get_gdb_repr("print frozenset([4, 5])")[0]
+ self.assertTrue(rep.startswith("frozenset(["))
+ self.assertTrue(rep.endswith("])"))
+ self.assertEqual(eval(rep), {4, 5})
def test_exceptions(self):
# Test a RuntimeError
diff -Naurp Python-2.7.2/Lib/test/test_gdbm.py Python-2.7.2.oden/Lib/test/test_gdbm.py
--- Python-2.7.2/Lib/test/test_gdbm.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_gdbm.py 2012-06-19 11:36:58.000000000 +0000
@@ -47,7 +47,7 @@ class TestGdbm(unittest.TestCase):
all = set(gdbm.open_flags)
# Test standard flags (presumably "crwn").
modes = all - set('fsu')
- for mode in modes:
+ for mode in sorted(modes):
self.g = gdbm.open(filename, mode)
self.g.close()
diff -Naurp Python-2.7.2/Lib/test/test_hash.py Python-2.7.2.oden/Lib/test/test_hash.py
--- Python-2.7.2/Lib/test/test_hash.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_hash.py 2012-06-19 11:36:58.000000000 +0000
@@ -3,10 +3,18 @@
#
# Also test that hash implementations are inherited as expected
+import os
+import sys
+import struct
+import datetime
import unittest
+import subprocess
+
from test import test_support
from collections import Hashable
+IS_64BIT = (struct.calcsize('l') == 8)
+
class HashEqualityTestCase(unittest.TestCase):
@@ -134,10 +142,106 @@ class HashBuiltinsTestCase(unittest.Test
for obj in self.hashes_to_check:
self.assertEqual(hash(obj), _default_hash(obj))
+class HashRandomizationTests(unittest.TestCase):
+
+ # Each subclass should define a field "repr_", containing the repr() of
+ # an object to be tested
+
+ def get_hash_command(self, repr_):
+ return 'print(hash(%s))' % repr_
+
+ def get_hash(self, repr_, seed=None):
+ env = os.environ.copy()
+ if seed is not None:
+ env['PYTHONHASHSEED'] = str(seed)
+ else:
+ env.pop('PYTHONHASHSEED', None)
+ cmd_line = [sys.executable, '-c', self.get_hash_command(repr_)]
+ p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ env=env)
+ out, err = p.communicate()
+ out = test_support.strip_python_stderr(out)
+ return int(out.strip())
+
+ def test_randomized_hash(self):
+ # two runs should return different hashes
+ run1 = self.get_hash(self.repr_, seed='random')
+ run2 = self.get_hash(self.repr_, seed='random')
+ self.assertNotEqual(run1, run2)
+
+class StringlikeHashRandomizationTests(HashRandomizationTests):
+ def test_null_hash(self):
+ # PYTHONHASHSEED=0 disables the randomized hash
+ if IS_64BIT:
+ known_hash_of_obj = 1453079729188098211
+ else:
+ known_hash_of_obj = -1600925533
+
+ # Randomization is disabled by default:
+ self.assertEqual(self.get_hash(self.repr_), known_hash_of_obj)
+
+ # It can also be disabled by setting the seed to 0:
+ self.assertEqual(self.get_hash(self.repr_, seed=0), known_hash_of_obj)
+
+ def test_fixed_hash(self):
+ # test a fixed seed for the randomized hash
+ # Note that all types share the same values:
+ if IS_64BIT:
+ if sys.byteorder == 'little':
+ h = -4410911502303878509
+ else:
+ h = -3570150969479994130
+ else:
+ if sys.byteorder == 'little':
+ h = -206076799
+ else:
+ h = -1024014457
+ self.assertEqual(self.get_hash(self.repr_, seed=42), h)
+
+class StrHashRandomizationTests(StringlikeHashRandomizationTests):
+ repr_ = repr('abc')
+
+ def test_empty_string(self):
+ self.assertEqual(hash(""), 0)
+
+class UnicodeHashRandomizationTests(StringlikeHashRandomizationTests):
+ repr_ = repr(u'abc')
+
+ def test_empty_string(self):
+ self.assertEqual(hash(u""), 0)
+
+class BufferHashRandomizationTests(StringlikeHashRandomizationTests):
+ repr_ = 'buffer("abc")'
+
+ def test_empty_string(self):
+ self.assertEqual(hash(buffer("")), 0)
+
+class DatetimeTests(HashRandomizationTests):
+ def get_hash_command(self, repr_):
+ return 'import datetime; print(hash(%s))' % repr_
+
+class DatetimeDateTests(DatetimeTests):
+ repr_ = repr(datetime.date(1066, 10, 14))
+
+class DatetimeDatetimeTests(DatetimeTests):
+ repr_ = repr(datetime.datetime(1, 2, 3, 4, 5, 6, 7))
+
+class DatetimeTimeTests(DatetimeTests):
+ repr_ = repr(datetime.time(0))
+
+
def test_main():
test_support.run_unittest(HashEqualityTestCase,
HashInheritanceTestCase,
- HashBuiltinsTestCase)
+ HashBuiltinsTestCase,
+ StrHashRandomizationTests,
+ UnicodeHashRandomizationTests,
+ BufferHashRandomizationTests,
+ DatetimeDateTests,
+ DatetimeDatetimeTests,
+ DatetimeTimeTests)
+
if __name__ == "__main__":
diff -Naurp Python-2.7.2/Lib/test/test_module.py Python-2.7.2.oden/Lib/test/test_module.py
--- Python-2.7.2/Lib/test/test_module.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_module.py 2012-06-19 11:36:58.000000000 +0000
@@ -70,7 +70,7 @@ class ModuleTests(unittest.TestCase):
m = ModuleType("foo")
m.destroyed = destroyed
s = """class A:
- def __del__(self):
+ def __del__(self, destroyed=destroyed):
destroyed.append(1)
a = A()"""
exec(s, m.__dict__)
diff -Naurp Python-2.7.2/Lib/test/test_os.py Python-2.7.2.oden/Lib/test/test_os.py
--- Python-2.7.2/Lib/test/test_os.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_os.py 2012-06-19 11:36:58.000000000 +0000
@@ -10,6 +10,7 @@ import sys
import signal
import subprocess
import time
+
from test import test_support
import mmap
import uuid
@@ -512,18 +513,38 @@ class DevNullTests (unittest.TestCase):
f.close()
class URandomTests (unittest.TestCase):
- def test_urandom(self):
- try:
- self.assertEqual(len(os.urandom(1)), 1)
- self.assertEqual(len(os.urandom(10)), 10)
- self.assertEqual(len(os.urandom(100)), 100)
- self.assertEqual(len(os.urandom(1000)), 1000)
- # see http://bugs.python.org/issue3708
- self.assertRaises(TypeError, os.urandom, 0.9)
- self.assertRaises(TypeError, os.urandom, 1.1)
- self.assertRaises(TypeError, os.urandom, 2.0)
- except NotImplementedError:
- pass
+
+ def test_urandom_length(self):
+ self.assertEqual(len(os.urandom(0)), 0)
+ self.assertEqual(len(os.urandom(1)), 1)
+ self.assertEqual(len(os.urandom(10)), 10)
+ self.assertEqual(len(os.urandom(100)), 100)
+ self.assertEqual(len(os.urandom(1000)), 1000)
+
+ def test_urandom_value(self):
+ data1 = os.urandom(16)
+ data2 = os.urandom(16)
+ self.assertNotEqual(data1, data2)
+
+ def get_urandom_subprocess(self, count):
+ code = '\n'.join((
+ 'import os, sys',
+ 'data = os.urandom(%s)' % count,
+ 'sys.stdout.write(data)',
+ 'sys.stdout.flush()',
+ 'print >> sys.stderr, (len(data), data)'))
+ cmd_line = [sys.executable, '-c', code]
+ p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ out, err = p.communicate()
+ self.assertEqual(p.wait(), 0, (p.wait(), err))
+ self.assertEqual(len(out), count)
+ return out
+
+ def test_urandom_subprocess(self):
+ data1 = self.get_urandom_subprocess(16)
+ data2 = self.get_urandom_subprocess(16)
+ self.assertNotEqual(data1, data2)
def test_execvpe_with_bad_arglist(self):
self.assertRaises(ValueError, os.execvpe, 'notepad', [], None)
diff -Naurp Python-2.7.2/Lib/test/test_set.py Python-2.7.2.oden/Lib/test/test_set.py
--- Python-2.7.2/Lib/test/test_set.py 2011-06-11 15:46:25.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_set.py 2012-06-19 11:36:58.000000000 +0000
@@ -687,6 +687,17 @@ class TestBasicOps(unittest.TestCase):
if self.repr is not None:
self.assertEqual(repr(self.set), self.repr)
+ def check_repr_against_values(self):
+ text = repr(self.set)
+ self.assertTrue(text.startswith('{'))
+ self.assertTrue(text.endswith('}'))
+
+ result = text[1:-1].split(', ')
+ result.sort()
+ sorted_repr_values = [repr(value) for value in self.values]
+ sorted_repr_values.sort()
+ self.assertEqual(result, sorted_repr_values)
+
def test_print(self):
fo = open(test_support.TESTFN, "wb")
try:
@@ -836,6 +847,46 @@ class TestBasicOpsTriple(TestBasicOps):
self.length = 3
self.repr = None
+#------------------------------------------------------------------------------
+
+class TestBasicOpsString(TestBasicOps):
+ def setUp(self):
+ self.case = "string set"
+ self.values = ["a", "b", "c"]
+ self.set = set(self.values)
+ self.dup = set(self.values)
+ self.length = 3
+
+ def test_repr(self):
+ self.check_repr_against_values()
+
+#------------------------------------------------------------------------------
+
+class TestBasicOpsUnicode(TestBasicOps):
+ def setUp(self):
+ self.case = "unicode set"
+ self.values = [u"a", u"b", u"c"]
+ self.set = set(self.values)
+ self.dup = set(self.values)
+ self.length = 3
+
+ def test_repr(self):
+ self.check_repr_against_values()
+
+#------------------------------------------------------------------------------
+
+class TestBasicOpsMixedStringUnicode(TestBasicOps):
+ def setUp(self):
+ self.case = "string and bytes set"
+ self.values = ["a", "b", u"a", u"b"]
+ self.set = set(self.values)
+ self.dup = set(self.values)
+ self.length = 4
+
+ def test_repr(self):
+ with test_support.check_warnings():
+ self.check_repr_against_values()
+
#==============================================================================
def baditer():
diff -Naurp Python-2.7.2/Lib/test/test_support.py Python-2.7.2.oden/Lib/test/test_support.py
--- Python-2.7.2/Lib/test/test_support.py 2011-06-11 15:46:26.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_support.py 2012-06-19 11:36:58.000000000 +0000
@@ -36,8 +36,8 @@ __all__ = ["Error", "TestFailed", "Resou
"BasicTestRunner", "run_unittest", "run_doctest", "threading_setup",
"threading_cleanup", "reap_children", "cpython_only",
"check_impl_detail", "get_attribute", "py3k_bytes",
- "import_fresh_module"]
-
+ "import_fresh_module", "threading_cleanup", "reap_children",
+ "strip_python_stderr"]
class Error(Exception):
"""Base class for regression test exceptions."""
diff -Naurp Python-2.7.2/Lib/test/test_symtable.py Python-2.7.2.oden/Lib/test/test_symtable.py
--- Python-2.7.2/Lib/test/test_symtable.py 2011-06-11 15:46:26.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_symtable.py 2012-06-19 11:36:58.000000000 +0000
@@ -88,10 +88,10 @@ class SymtableTest(unittest.TestCase):
def test_function_info(self):
func = self.spam
- self.assertEqual(func.get_parameters(), ("a", "b", "kw", "var"))
- self.assertEqual(func.get_locals(),
- ("a", "b", "internal", "kw", "var", "x"))
- self.assertEqual(func.get_globals(), ("bar", "glob"))
+ self.assertEqual(sorted(func.get_parameters()), ["a", "b", "kw", "var"])
+ expected = ["a", "b", "internal", "kw", "var", "x"]
+ self.assertEqual(sorted(func.get_locals()), expected)
+ self.assertEqual(sorted(func.get_globals()), ["bar", "glob"])
self.assertEqual(self.internal.get_frees(), ("x",))
def test_globals(self):
diff -Naurp Python-2.7.2/Lib/test/test_sys.py Python-2.7.2.oden/Lib/test/test_sys.py
--- Python-2.7.2/Lib/test/test_sys.py 2011-06-11 15:46:26.000000000 +0000
+++ Python-2.7.2.oden/Lib/test/test_sys.py 2012-06-19 11:36:58.000000000 +0000
@@ -426,7 +426,7 @@ class SysModuleTest(unittest.TestCase):
attrs = ("debug", "py3k_warning", "division_warning", "division_new",
"inspect", "interactive", "optimize", "dont_write_bytecode",
"no_site", "ignore_environment", "tabcheck", "verbose",
- "unicode", "bytes_warning")
+ "unicode", "bytes_warning", "hash_randomization")
for attr in attrs:
self.assertTrue(hasattr(sys.flags, attr), attr)
self.assertEqual(type(getattr(sys.flags, attr)), int, attr)
diff -Naurp Python-2.7.2/Makefile.pre.in Python-2.7.2.oden/Makefile.pre.in
--- Python-2.7.2/Makefile.pre.in 2012-06-19 11:36:41.000000000 +0000
+++ Python-2.7.2.oden/Makefile.pre.in 2012-06-19 11:36:58.000000000 +0000
@@ -292,6 +292,7 @@ PYTHON_OBJS= \
Python/pymath.o \
Python/pystate.o \
Python/pythonrun.o \
+ Python/random.o \
Python/structmember.o \
Python/symtable.o \
Python/sysmodule.o \
@@ -741,7 +742,7 @@ buildbottest: all platform
-@if which pybuildbot.identify >/dev/null 2>&1; then \
pybuildbot.identify "CC='$(CC)'" "CXX='$(CXX)'"; \
fi
- $(TESTPYTHON) $(TESTPROG) -uall -rwW $(TESTOPTS)
+ $(TESTPYTHON) -R $(TESTPROG) -uall -rwW $(TESTOPTS)
QUICKTESTOPTS= $(TESTOPTS) -x test_subprocess test_io test_lib2to3 \
test_multibytecodec test_urllib2_localnet test_itertools \
diff -Naurp Python-2.7.2/Misc/python.man Python-2.7.2.oden/Misc/python.man
--- Python-2.7.2/Misc/python.man 2011-06-11 15:46:26.000000000 +0000
+++ Python-2.7.2.oden/Misc/python.man 2012-06-19 11:36:58.000000000 +0000
@@ -34,6 +34,9 @@ python \- an interpreted, interactive, o
.B \-OO
]
[
+.B \-R
+]
+[
.B -Q
.I argument
]
@@ -151,6 +154,18 @@ to \fI.pyo\fP. Given twice, causes docs
.B \-OO
Discard docstrings in addition to the \fB-O\fP optimizations.
.TP
+.B \-R
+Turn on "hash randomization", so that the hash() values of str, bytes and
+datetime objects are "salted" with an unpredictable pseudo-random value.
+Although they remain constant within an individual Python process, they are
+not predictable between repeated invocations of Python.
+.IP
+This is intended to provide protection against a denial of service
+caused by carefully-chosen inputs that exploit the worst case performance
+of a dict insertion, O(n^2) complexity. See
+http://www.ocert.org/advisories/ocert-2011-003.html
+for details.
+.TP
.BI "\-Q " argument
Division control; see PEP 238. The argument must be one of "old" (the
default, int/int and long/long return an int or long), "new" (new
@@ -423,6 +438,20 @@ specifying \fB\-v\fP multiple times.
.IP PYTHONWARNINGS
If this is set to a comma-separated string it is equivalent to
specifying the \fB\-W\fP option for each separate value.
+.IP PYTHONHASHSEED
+If this variable is set to "random", the effect is the same as specifying
+the \fB-R\fP option: a random value is used to seed the hashes of str,
+bytes and datetime objects.
+
+If PYTHONHASHSEED is set to an integer value, it is used as a fixed seed for
+generating the hash() of the types covered by the hash randomization. Its
+purpose is to allow repeatable hashing, such as for selftests for the
+interpreter itself, or to allow a cluster of python processes to share hash
+values.
+
+The integer must be a decimal number in the range [0,4294967295]. Specifying
+the value 0 will lead to the same hash values as when hash randomization is
+disabled.
.SH AUTHOR
The Python Software Foundation: http://www.python.org/psf
.SH INTERNET RESOURCES
diff -Naurp Python-2.7.2/Modules/main.c Python-2.7.2.oden/Modules/main.c
--- Python-2.7.2/Modules/main.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Modules/main.c 2012-06-19 11:36:58.000000000 +0000
@@ -40,7 +40,7 @@ static char **orig_argv;
static int orig_argc;
/* command line options */
-#define BASE_OPTS "3bBc:dEhiJm:OQ:sStuUvVW:xX?"
+#define BASE_OPTS "3bBc:dEhiJm:OQ:RsStuUvVW:xX?"
#ifndef RISCOS
#define PROGRAM_OPTS BASE_OPTS
@@ -71,6 +71,9 @@ static char *usage_2 = "\
-m mod : run library module as a script (terminates option list)\n\
-O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\
-OO : remove doc-strings in addition to the -O optimizations\n\
+-R : use a pseudo-random salt to make hash() values of various types be\n\
+ unpredictable between separate invocations of the interpreter, as\n\
+ a defense against denial-of-service attacks\n\
-Q arg : division options: -Qold (default), -Qwarn, -Qwarnall, -Qnew\n\
-s : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\
-S : don't imply 'import site' on initialization\n\
@@ -102,6 +105,12 @@ PYTHONHOME : alternate <prefix> direct
PYTHONCASEOK : ignore case in 'import' statements (Windows).\n\
PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n\
";
+static char *usage_6 = "\
+PYTHONHASHSEED: if this variable is set to ``random``, the effect is the same \n\
+ as specifying the :option:`-R` option: a random value is used to seed the\n\
+ hashes of str, bytes and datetime objects. It can also be set to an integer\n\
+ in the range [0,4294967295] to get hash values with a predictable seed.\n\
+";
static int
@@ -118,6 +127,7 @@ usage(int exitcode, char* program)
fputs(usage_3, f);
fprintf(f, usage_4, DELIM);
fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
+ fputs(usage_6, f);
}
#if defined(__VMS)
if (exitcode == 0) {
@@ -252,7 +262,33 @@ Py_Main(int argc, char **argv)
Py_RISCOSWimpFlag = 0;
#endif
+ /* Hash randomization needed early for all string operations
+ (including -W and -X options). */
+ while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
+ if (c == 'm' || c == 'c') {
+ /* -c / -m is the last option: following arguments are
+ not interpreter options. */
+ break;
+ }
+ switch (c) {
+ case 'E':
+ Py_IgnoreEnvironmentFlag++;
+ break;
+ case 'R':
+ Py_HashRandomizationFlag++;
+ break;
+ }
+ }
+ /* The variable is only tested for existence here; _PyRandom_Init will
+ check its value further. */
+ if (!Py_HashRandomizationFlag &&
+ (p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0')
+ Py_HashRandomizationFlag = 1;
+
+ _PyRandom_Init();
+
PySys_ResetWarnOptions();
+ _PyOS_ResetGetOpt();
while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
if (c == 'c') {
@@ -346,7 +382,7 @@ Py_Main(int argc, char **argv)
break;
case 'E':
- Py_IgnoreEnvironmentFlag++;
+ /* Already handled above */
break;
case 't':
@@ -389,6 +425,10 @@ Py_Main(int argc, char **argv)
PySys_AddWarnOption(_PyOS_optarg);
break;
+ case 'R':
+ /* Already handled above */
+ break;
+
/* This space reserved for other options */
default:
diff -Naurp Python-2.7.2/Modules/posixmodule.c Python-2.7.2.oden/Modules/posixmodule.c
--- Python-2.7.2/Modules/posixmodule.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Modules/posixmodule.c 2012-06-19 11:36:58.000000000 +0000
@@ -8476,117 +8476,35 @@ posix_getloadavg(PyObject *self, PyObjec
}
#endif
-#ifdef MS_WINDOWS
-
-PyDoc_STRVAR(win32_urandom__doc__,
+PyDoc_STRVAR(posix_urandom__doc__,
"urandom(n) -> str\n\n\
-Return a string of n random bytes suitable for cryptographic use.");
-
-typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTA)(HCRYPTPROV *phProv,\
- LPCSTR pszContainer, LPCSTR pszProvider, DWORD dwProvType,\
- DWORD dwFlags );
-typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV hProv, DWORD dwLen,\
- BYTE *pbBuffer );
-
-static CRYPTGENRANDOM pCryptGenRandom = NULL;
-/* This handle is never explicitly released. Instead, the operating
- system will release it when the process terminates. */
-static HCRYPTPROV hCryptProv = 0;
+Return n random bytes suitable for cryptographic use.");
-static PyObject*
-win32_urandom(PyObject *self, PyObject *args)
+static PyObject *
+posix_urandom(PyObject *self, PyObject *args)
{
- int howMany;
- PyObject* result;
+ Py_ssize_t size;
+ PyObject *result;
+ int ret;
- /* Read arguments */
- if (! PyArg_ParseTuple(args, "i:urandom", &howMany))
+ /* Read arguments */
+ if (!PyArg_ParseTuple(args, "n:urandom", &size))
return NULL;
- if (howMany < 0)
+ if (size < 0)
return PyErr_Format(PyExc_ValueError,
"negative argument not allowed");
-
- if (hCryptProv == 0) {
- HINSTANCE hAdvAPI32 = NULL;
- CRYPTACQUIRECONTEXTA pCryptAcquireContext = NULL;
-
- /* Obtain handle to the DLL containing CryptoAPI
- This should not fail */
- hAdvAPI32 = GetModuleHandle("advapi32.dll");
- if(hAdvAPI32 == NULL)
- return win32_error("GetModuleHandle", NULL);
-
- /* Obtain pointers to the CryptoAPI functions
- This will fail on some early versions of Win95 */
- pCryptAcquireContext = (CRYPTACQUIRECONTEXTA)GetProcAddress(
- hAdvAPI32,
- "CryptAcquireContextA");
- if (pCryptAcquireContext == NULL)
- return PyErr_Format(PyExc_NotImplementedError,
- "CryptAcquireContextA not found");
-
- pCryptGenRandom = (CRYPTGENRANDOM)GetProcAddress(
- hAdvAPI32, "CryptGenRandom");
- if (pCryptGenRandom == NULL)
- return PyErr_Format(PyExc_NotImplementedError,
- "CryptGenRandom not found");
-
- /* Acquire context */
- if (! pCryptAcquireContext(&hCryptProv, NULL, NULL,
- PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
- return win32_error("CryptAcquireContext", NULL);
- }
-
- /* Allocate bytes */
- result = PyString_FromStringAndSize(NULL, howMany);
- if (result != NULL) {
- /* Get random data */
- memset(PyString_AS_STRING(result), 0, howMany); /* zero seed */
- if (! pCryptGenRandom(hCryptProv, howMany, (unsigned char*)
- PyString_AS_STRING(result))) {
- Py_DECREF(result);
- return win32_error("CryptGenRandom", NULL);
- }
- }
- return result;
-}
-#endif
-
-#ifdef __VMS
-/* Use openssl random routine */
-#include <openssl/rand.h>
-PyDoc_STRVAR(vms_urandom__doc__,
-"urandom(n) -> str\n\n\
-Return a string of n random bytes suitable for cryptographic use.");
-
-static PyObject*
-vms_urandom(PyObject *self, PyObject *args)
-{
- int howMany;
- PyObject* result;
-
- /* Read arguments */
- if (! PyArg_ParseTuple(args, "i:urandom", &howMany))
+ result = PyBytes_FromStringAndSize(NULL, size);
+ if (result == NULL)
return NULL;
- if (howMany < 0)
- return PyErr_Format(PyExc_ValueError,
- "negative argument not allowed");
- /* Allocate bytes */
- result = PyString_FromStringAndSize(NULL, howMany);
- if (result != NULL) {
- /* Get random data */
- if (RAND_pseudo_bytes((unsigned char*)
- PyString_AS_STRING(result),
- howMany) < 0) {
- Py_DECREF(result);
- return PyErr_Format(PyExc_ValueError,
- "RAND_pseudo_bytes");
- }
+ ret = _PyOS_URandom(PyBytes_AS_STRING(result),
+ PyBytes_GET_SIZE(result));
+ if (ret == -1) {
+ Py_DECREF(result);
+ return NULL;
}
return result;
}
-#endif
#ifdef HAVE_SETRESUID
PyDoc_STRVAR(posix_setresuid__doc__,
@@ -8972,12 +8890,6 @@ static PyMethodDef posix_methods[] = {
#ifdef HAVE_GETLOADAVG
{"getloadavg", posix_getloadavg, METH_NOARGS, posix_getloadavg__doc__},
#endif
- #ifdef MS_WINDOWS
- {"urandom", win32_urandom, METH_VARARGS, win32_urandom__doc__},
- #endif
- #ifdef __VMS
- {"urandom", vms_urandom, METH_VARARGS, vms_urandom__doc__},
- #endif
#ifdef HAVE_SETRESUID
{"setresuid", posix_setresuid, METH_VARARGS, posix_setresuid__doc__},
#endif
@@ -8990,7 +8902,7 @@ static PyMethodDef posix_methods[] = {
#ifdef HAVE_GETRESGID
{"getresgid", posix_getresgid, METH_NOARGS, posix_getresgid__doc__},
#endif
-
+ {"urandom", posix_urandom, METH_VARARGS, posix_urandom__doc__},
{NULL, NULL} /* Sentinel */
};
diff -Naurp Python-2.7.2/Objects/bufferobject.c Python-2.7.2.oden/Objects/bufferobject.c
--- Python-2.7.2/Objects/bufferobject.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Objects/bufferobject.c 2012-06-19 11:36:58.000000000 +0000
@@ -334,10 +334,20 @@ buffer_hash(PyBufferObject *self)
return -1;
p = (unsigned char *) ptr;
len = size;
- x = *p << 7;
+ /*
+ We make the hash of the empty buffer be 0, rather than using
+ (prefix ^ suffix), since this slightly obfuscates the hash secret
+ */
+ if (len == 0) {
+ self->b_hash = 0;
+ return 0;
+ }
+ x = _Py_HashSecret.prefix;
+ x ^= *p << 7;
while (--len >= 0)
x = (1000003*x) ^ *p++;
x ^= size;
+ x ^= _Py_HashSecret.suffix;
if (x == -1)
x = -2;
self->b_hash = x;
diff -Naurp Python-2.7.2/Objects/object.c Python-2.7.2.oden/Objects/object.c
--- Python-2.7.2/Objects/object.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Objects/object.c 2012-06-19 11:36:58.000000000 +0000
@@ -1094,6 +1094,8 @@ PyObject_HashNotImplemented(PyObject *se
return -1;
}
+_Py_HashSecret_t _Py_HashSecret;
+
long
PyObject_Hash(PyObject *v)
{
diff -Naurp Python-2.7.2/Objects/stringobject.c Python-2.7.2.oden/Objects/stringobject.c
--- Python-2.7.2/Objects/stringobject.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Objects/stringobject.c 2012-06-19 11:36:58.000000000 +0000
@@ -1262,14 +1262,25 @@ string_hash(PyStringObject *a)
register unsigned char *p;
register long x;
+ assert(_Py_HashSecret_Initialized);
if (a->ob_shash != -1)
return a->ob_shash;
len = Py_SIZE(a);
+ /*
+ We make the hash of the empty string be 0, rather than using
+ (prefix ^ suffix), since this slightly obfuscates the hash secret
+ */
+ if (len == 0) {
+ a->ob_shash = 0;
+ return 0;
+ }
p = (unsigned char *) a->ob_sval;
- x = *p << 7;
+ x = _Py_HashSecret.prefix;
+ x ^= *p << 7;
while (--len >= 0)
x = (1000003*x) ^ *p++;
x ^= Py_SIZE(a);
+ x ^= _Py_HashSecret.suffix;
if (x == -1)
x = -2;
a->ob_shash = x;
diff -Naurp Python-2.7.2/Objects/unicodeobject.c Python-2.7.2.oden/Objects/unicodeobject.c
--- Python-2.7.2/Objects/unicodeobject.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Objects/unicodeobject.c 2012-06-19 11:36:58.000000000 +0000
@@ -6543,14 +6543,25 @@ unicode_hash(PyUnicodeObject *self)
register Py_UNICODE *p;
register long x;
+ assert(_Py_HashSecret_Initialized);
if (self->hash != -1)
return self->hash;
len = PyUnicode_GET_SIZE(self);
+ /*
+ We make the hash of the empty string be 0, rather than using
+ (prefix ^ suffix), since this slightly obfuscates the hash secret
+ */
+ if (len == 0) {
+ self->hash = 0;
+ return 0;
+ }
p = PyUnicode_AS_UNICODE(self);
- x = *p << 7;
+ x = _Py_HashSecret.prefix;
+ x ^= *p << 7;
while (--len >= 0)
x = (1000003*x) ^ *p++;
x ^= PyUnicode_GET_SIZE(self);
+ x ^= _Py_HashSecret.suffix;
if (x == -1)
x = -2;
self->hash = x;
diff -Naurp Python-2.7.2/PCbuild/pythoncore.vcproj Python-2.7.2.oden/PCbuild/pythoncore.vcproj
--- Python-2.7.2/PCbuild/pythoncore.vcproj 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/PCbuild/pythoncore.vcproj 2012-06-19 11:36:58.000000000 +0000
@@ -1,3 +1,4 @@
+<<<<<<< local
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
@@ -1871,3 +1872,1826 @@
<Globals>
</Globals>
</VisualStudioProject>
+=======
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="9,00"
+ Name="pythoncore"
+ ProjectGUID="{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}"
+ RootNamespace="pythoncore"
+ TargetFrameworkVersion="131072"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
+ <Platform
+ Name="x64"
+ />
+ </Platforms>
+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Release|Win32"
+ ConfigurationType="2"
+ InheritedPropertySheets=".\pyproject.vsprops;.\release.vsprops"
+ UseOfMFC="0"
+ ATLMinimizesCRunTimeLibraryUsage="false"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalOptions="/Zm200 "
+ AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
+ PreprocessorDefinitions="_USRDLL;Py_BUILD_CORE;Py_ENABLE_SHARED;WIN32"
+ RuntimeLibrary="2"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ PreprocessorDefinitions="NDEBUG"
+ Culture="1033"
+ AdditionalIncludeDirectories="..\Include"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ Description="Generate build information..."
+ CommandLine=""$(SolutionDir)make_buildinfo.exe" Release"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ AdditionalDependencies="getbuildinfo.o"
+ OutputFile="$(OutDir)\$(PyDllName).dll"
+ IgnoreDefaultLibraryNames="libc"
+ ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
+ BaseAddress="0x1e000000"
+ ImportLibrary="$(OutDir)$(PyDllName).lib"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|x64"
+ ConfigurationType="2"
+ InheritedPropertySheets=".\pyproject.vsprops;.\x64.vsprops;.\release.vsprops"
+ UseOfMFC="0"
+ ATLMinimizesCRunTimeLibraryUsage="false"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ TargetEnvironment="3"
+ />
+ <Tool
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+ RelativePath="..\Modules\rotatingtree.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\sha256module.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\sha512module.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\shamodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\signalmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\stropmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\symtablemodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\threadmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\timemodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\xxsubtype.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\yuv.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\yuvconvert.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zipimport.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlibmodule.c"
+ >
+ </File>
+ <Filter
+ Name="zlib"
+ >
+ <File
+ RelativePath="..\Modules\zlib\adler32.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\compress.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\crc32.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\crc32.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\deflate.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\deflate.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\gzio.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\infback.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inffast.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inffast.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inffixed.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inflate.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inflate.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inftrees.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\inftrees.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\trees.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\trees.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\uncompr.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\zconf.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\zconf.in.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\zlib.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\zutil.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\zlib\zutil.h"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="cjkcodecs"
+ >
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_cn.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_hk.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_iso2022.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_jp.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_kr.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\_codecs_tw.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\alg_jisx0201.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\cjkcodecs.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\emu_jisx0213_2000.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_cn.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_hk.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_jisx0213_pair.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_jp.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_kr.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\mappings_tw.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\multibytecodec.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Modules\cjkcodecs\multibytecodec.h"
+ >
+ </File>
+ </Filter>
+ </Filter>
+ <Filter
+ Name="Objects"
+ >
+ <File
+ RelativePath="..\Objects\abstract.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\boolobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\bufferobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\bytes_methods.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\bytearrayobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\stringobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\cellobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\classobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\cobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\codeobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\complexobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\stringlib\count.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\descrobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\dictobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\enumobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\exceptions.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\stringlib\fastsearch.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\fileobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\stringlib\find.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\floatobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\frameobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\funcobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\genobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\intobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\iterobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\listobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\longobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\methodobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\moduleobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\object.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\obmalloc.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\stringlib\partition.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\rangeobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\setobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\sliceobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\structseq.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\tupleobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\typeobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\unicodectype.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\unicodeobject.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\unicodetype_db.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Objects\weakrefobject.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Parser"
+ >
+ <File
+ RelativePath="..\Parser\acceler.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\bitset.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\firstsets.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\grammar.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\grammar1.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\listnode.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\metagrammar.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\myreadline.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\node.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\parser.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\parser.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\parsetok.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\tokenizer.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Parser\tokenizer.h"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="PC"
+ >
+ <File
+ RelativePath="..\PC\_subprocess.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\_winreg.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\config.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\dl_nt.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\errmap.h"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\getpathp.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\import_nt.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\msvcrtmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\PC\pyconfig.h"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Python"
+ >
+ <File
+ RelativePath="..\Python\_warnings.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\asdl.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\ast.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\bltinmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\ceval.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\codecs.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\compile.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\dynload_win.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\errors.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\formatter_string.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\formatter_unicode.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\frozen.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\future.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getargs.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getcompiler.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getcopyright.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getmtime.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getopt.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getplatform.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\getversion.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\graminit.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\import.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\importdl.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\importdl.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\marshal.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\modsupport.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\mysnprintf.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\mystrtoul.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\peephole.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pyarena.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pyfpe.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pymath.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pystate.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pystrcmp.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pystrtod.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\Python-ast.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\pythonrun.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\random.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\structmember.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\symtable.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\sysmodule.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\thread.c"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\thread_nt.h"
+ >
+ </File>
+ <File
+ RelativePath="..\Python\traceback.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Resource Files"
+ >
+ <File
+ RelativePath="..\PC\python_nt.rc"
+ >
+ </File>
+ </Filter>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
+>>>>>>> other
diff -Naurp Python-2.7.2/Python/getopt.c Python-2.7.2.oden/Python/getopt.c
--- Python-2.7.2/Python/getopt.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Python/getopt.c 2012-06-19 11:36:58.000000000 +0000
@@ -37,10 +37,18 @@ extern "C" {
int _PyOS_opterr = 1; /* generate error messages */
int _PyOS_optind = 1; /* index into argv array */
char *_PyOS_optarg = NULL; /* optional argument */
+static char *opt_ptr = "";
+
+void _PyOS_ResetGetOpt(void)
+{
+ _PyOS_opterr = 1;
+ _PyOS_optind = 1;
+ _PyOS_optarg = NULL;
+ opt_ptr = "";
+}
int _PyOS_GetOpt(int argc, char **argv, char *optstring)
{
- static char *opt_ptr = "";
char *ptr;
int option;
diff -Naurp Python-2.7.2/Python/pythonrun.c Python-2.7.2.oden/Python/pythonrun.c
--- Python-2.7.2/Python/pythonrun.c 2011-06-11 15:46:27.000000000 +0000
+++ Python-2.7.2.oden/Python/pythonrun.c 2012-06-19 11:36:58.000000000 +0000
@@ -89,6 +89,7 @@ int Py_IgnoreEnvironmentFlag; /* e.g. PY
true divisions (which they will be in 2.3). */
int _Py_QnewFlag = 0;
int Py_NoUserSiteDirectory = 0; /* for -s and site.py */
+int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */
/* PyModule_GetWarningsModule is no longer necessary as of 2.6
since _warnings is builtin. This API should not be used. */
@@ -166,6 +167,12 @@ Py_InitializeEx(int install_sigs)
Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
+ /* The variable is only tested for existence here; _PyRandom_Init will
+ check its value further. */
+ if ((p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0')
+ Py_HashRandomizationFlag = add_flag(Py_HashRandomizationFlag, p);
+
+ _PyRandom_Init();
interp = PyInterpreterState_New();
if (interp == NULL)
diff -Naurp Python-2.7.2/Python/random.c Python-2.7.2.oden/Python/random.c
--- Python-2.7.2/Python/random.c 1970-01-01 00:00:00.000000000 +0000
+++ Python-2.7.2.oden/Python/random.c 2012-06-19 11:36:58.000000000 +0000
@@ -0,0 +1,306 @@
+#include "Python.h"
+#ifdef MS_WINDOWS
+#include <windows.h>
+#else
+#include <fcntl.h>
+#endif
+
+#ifdef Py_DEBUG
+int _Py_HashSecret_Initialized = 0;
+#else
+static int _Py_HashSecret_Initialized = 0;
+#endif
+
+#ifdef MS_WINDOWS
+typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTA)(HCRYPTPROV *phProv,\
+ LPCSTR pszContainer, LPCSTR pszProvider, DWORD dwProvType,\
+ DWORD dwFlags );
+typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV hProv, DWORD dwLen,\
+ BYTE *pbBuffer );
+
+static CRYPTGENRANDOM pCryptGenRandom = NULL;
+/* This handle is never explicitly released. Instead, the operating
+ system will release it when the process terminates. */
+static HCRYPTPROV hCryptProv = 0;
+
+static int
+win32_urandom_init(int raise)
+{
+ HINSTANCE hAdvAPI32 = NULL;
+ CRYPTACQUIRECONTEXTA pCryptAcquireContext = NULL;
+
+ /* Obtain handle to the DLL containing CryptoAPI. This should not fail. */
+ hAdvAPI32 = GetModuleHandle("advapi32.dll");
+ if(hAdvAPI32 == NULL)
+ goto error;
+
+ /* Obtain pointers to the CryptoAPI functions. This will fail on some early
+ versions of Win95. */
+ pCryptAcquireContext = (CRYPTACQUIRECONTEXTA)GetProcAddress(
+ hAdvAPI32, "CryptAcquireContextA");
+ if (pCryptAcquireContext == NULL)
+ goto error;
+
+ pCryptGenRandom = (CRYPTGENRANDOM)GetProcAddress(hAdvAPI32,
+ "CryptGenRandom");
+ if (pCryptGenRandom == NULL)
+ goto error;
+
+ /* Acquire context */
+ if (! pCryptAcquireContext(&hCryptProv, NULL, NULL,
+ PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+ goto error;
+
+ return 0;
+
+error:
+ if (raise)
+ PyErr_SetFromWindowsErr(0);
+ else
+ Py_FatalError("Failed to initialize Windows random API (CryptoGen)");
+ return -1;
+}
+
+/* Fill buffer with size pseudo-random bytes generated by the Windows CryptoGen
+ API. Return 0 on success, or -1 on error. */
+static int
+win32_urandom(unsigned char *buffer, Py_ssize_t size, int raise)
+{
+ Py_ssize_t chunk;
+
+ if (hCryptProv == 0)
+ {
+ if (win32_urandom_init(raise) == -1)
+ return -1;
+ }
+
+ while (size > 0)
+ {
+ chunk = size > INT_MAX ? INT_MAX : size;
+ if (!pCryptGenRandom(hCryptProv, chunk, buffer))
+ {
+ /* CryptGenRandom() failed */
+ if (raise)
+ PyErr_SetFromWindowsErr(0);
+ else
+ Py_FatalError("Failed to initialized the randomized hash "
+ "secret using CryptoGen)");
+ return -1;
+ }
+ buffer += chunk;
+ size -= chunk;
+ }
+ return 0;
+}
+#endif /* MS_WINDOWS */
+
+
+#ifdef __VMS
+/* Use openssl random routine */
+#include <openssl/rand.h>
+static int
+vms_urandom(unsigned char *buffer, Py_ssize_t size, int raise)
+{
+ if (RAND_pseudo_bytes(buffer, size) < 0) {
+ if (raise) {
+ PyErr_Format(PyExc_ValueError,
+ "RAND_pseudo_bytes");
+ } else {
+ Py_FatalError("Failed to initialize the randomized hash "
+ "secret using RAND_pseudo_bytes");
+ }
+ return -1;
+ }
+ return 0;
+}
+#endif /* __VMS */
+
+
+#if !defined(MS_WINDOWS) && !defined(__VMS)
+
+/* Read size bytes from /dev/urandom into buffer.
+ Call Py_FatalError() on error. */
+static void
+dev_urandom_noraise(char *buffer, Py_ssize_t size)
+{
+ int fd;
+ Py_ssize_t n;
+
+ assert (0 < size);
+
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd < 0)
+ Py_FatalError("Failed to open /dev/urandom");
+
+ while (0 < size)
+ {
+ do {
+ n = read(fd, buffer, (size_t)size);
+ } while (n < 0 && errno == EINTR);
+ if (n <= 0)
+ {
+ /* stop on error or if read(size) returned 0 */
+ Py_FatalError("Failed to read bytes from /dev/urandom");
+ break;
+ }
+ buffer += n;
+ size -= (Py_ssize_t)n;
+ }
+ close(fd);
+}
+
+/* Read size bytes from /dev/urandom into buffer.
+ Return 0 on success, raise an exception and return -1 on error. */
+static int
+dev_urandom_python(char *buffer, Py_ssize_t size)
+{
+ int fd;
+ Py_ssize_t n;
+
+ if (size <= 0)
+ return 0;
+
+ Py_BEGIN_ALLOW_THREADS
+ fd = open("/dev/urandom", O_RDONLY);
+ Py_END_ALLOW_THREADS
+ if (fd < 0)
+ {
+ PyErr_SetFromErrnoWithFilename(PyExc_OSError, "/dev/urandom");
+ return -1;
+ }
+
+ Py_BEGIN_ALLOW_THREADS
+ do {
+ do {
+ n = read(fd, buffer, (size_t)size);
+ } while (n < 0 && errno == EINTR);
+ if (n <= 0)
+ break;
+ buffer += n;
+ size -= (Py_ssize_t)n;
+ } while (0 < size);
+ Py_END_ALLOW_THREADS
+
+ if (n <= 0)
+ {
+ /* stop on error or if read(size) returned 0 */
+ if (n < 0)
+ PyErr_SetFromErrno(PyExc_OSError);
+ else
+ PyErr_Format(PyExc_RuntimeError,
+ "Failed to read %zi bytes from /dev/urandom",
+ size);
+ close(fd);
+ return -1;
+ }
+ close(fd);
+ return 0;
+}
+#endif /* !defined(MS_WINDOWS) && !defined(__VMS) */
+
+/* Fill buffer with pseudo-random bytes generated by a linear congruent
+ generator (LCG):
+
+ x(n+1) = (x(n) * 214013 + 2531011) % 2^32
+
+ Use bits 23..16 of x(n) to generate a byte. */
+static void
+lcg_urandom(unsigned int x0, unsigned char *buffer, size_t size)
+{
+ size_t index;
+ unsigned int x;
+
+ x = x0;
+ for (index=0; index < size; index++) {
+ x *= 214013;
+ x += 2531011;
+ /* modulo 2 ^ (8 * sizeof(int)) */
+ buffer[index] = (x >> 16) & 0xff;
+ }
+}
+
+/* Fill buffer with size pseudo-random bytes, not suitable for cryptographic
+ use, from the operating random number generator (RNG).
+
+ Return 0 on success, raise an exception and return -1 on error. */
+int
+_PyOS_URandom(void *buffer, Py_ssize_t size)
+{
+ if (size < 0) {
+ PyErr_Format(PyExc_ValueError,
+ "negative argument not allowed");
+ return -1;
+ }
+ if (size == 0)
+ return 0;
+
+#ifdef MS_WINDOWS
+ return win32_urandom((unsigned char *)buffer, size, 1);
+#else
+# ifdef __VMS
+ return vms_urandom((unsigned char *)buffer, size, 1);
+# else
+ return dev_urandom_python((char*)buffer, size);
+# endif
+#endif
+}
+
+void
+_PyRandom_Init(void)
+{
+ char *env;
+ void *secret = &_Py_HashSecret;
+ Py_ssize_t secret_size = sizeof(_Py_HashSecret_t);
+
+ if (_Py_HashSecret_Initialized)
+ return;
+ _Py_HashSecret_Initialized = 1;
+
+ /*
+ By default, hash randomization is disabled, and only
+ enabled if PYTHONHASHSEED is set to non-empty or if
+ "-R" is provided at the command line:
+ */
+ if (!Py_HashRandomizationFlag) {
+ /* Disable the randomized hash: */
+ memset(secret, 0, secret_size);
+ return;
+ }
+
+ /*
+ Hash randomization is enabled. Generate a per-process secret,
+ using PYTHONHASHSEED if provided.
+ */
+
+ env = Py_GETENV("PYTHONHASHSEED");
+ if (env && *env != '\0' && strcmp(env, "random") != 0) {
+ char *endptr = env;
+ unsigned long seed;
+ seed = strtoul(env, &endptr, 10);
+ if (*endptr != '\0'
+ || seed > 4294967295UL
+ || (errno == ERANGE && seed == ULONG_MAX))
+ {
+ Py_FatalError("PYTHONHASHSEED must be \"random\" or an integer "
+ "in range [0; 4294967295]");
+ }
+ if (seed == 0) {
+ /* disable the randomized hash */
+ memset(secret, 0, secret_size);
+ }
+ else {
+ lcg_urandom(seed, (unsigned char*)secret, secret_size);
+ }
+ }
+ else {
+#ifdef MS_WINDOWS
+ (void)win32_urandom((unsigned char *)secret, secret_size, 0);
+#else /* #ifdef MS_WINDOWS */
+# ifdef __VMS
+ vms_urandom((unsigned char *)secret, secret_size, 0);
+# else
+ dev_urandom_noraise((char*)secret, secret_size);
+# endif
+#endif
+ }
+}
diff -Naurp Python-2.7.2/Python/sysmodule.c Python-2.7.2.oden/Python/sysmodule.c
--- Python-2.7.2/Python/sysmodule.c 2012-06-19 11:36:41.000000000 +0000
+++ Python-2.7.2.oden/Python/sysmodule.c 2012-06-19 11:36:58.000000000 +0000
@@ -1208,6 +1208,7 @@ static PyStructSequence_Field flags_fiel
{"unicode", "-U"},
/* {"skip_first", "-x"}, */
{"bytes_warning", "-b"},
+ {"hash_randomization", "-R"},
{0}
};
@@ -1216,9 +1217,9 @@ static PyStructSequence_Desc flags_desc
flags__doc__, /* doc */
flags_fields, /* fields */
#ifdef RISCOS
- 16
+ 17
#else
- 15
+ 16
#endif
};
@@ -1255,6 +1256,7 @@ make_flags(void)
SetFlag(Py_UnicodeFlag);
/* SetFlag(skipfirstline); */
SetFlag(Py_BytesWarningFlag);
+ SetFlag(Py_HashRandomizationFlag);
#undef SetFlag
if (PyErr_Occurred()) {
distrib
>
Mandriva
>
2011.0
>
i586
>
media
>
main-updates-src
>
by-pkgid
>
70c6f73b7de273a264c9a8c049dad72b
>
files
>
7
