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import python39-3.9.2-1.module+el8.4.0+10237+bdc77aac

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CentOS Sources 2021-03-06 06:30:59 +00:00 committed by Andrew Lukoshko
parent 653ba393fa
commit 2d44d33028
6 changed files with 24 additions and 211 deletions
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2
.gitignore vendored
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@ -1 +1 @@
SOURCES/Python-3.9.1.tar.xz
SOURCES/Python-3.9.2.tar.xz

2
.python39.metadata
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@ -1 +1 @@
77f4105846f6740297e50d7535a42c02d6b8e7db SOURCES/Python-3.9.1.tar.xz
110ca5bca7989f9558a54ee6762e6774a4b9644a SOURCES/Python-3.9.2.tar.xz

184
SOURCES/00357-bpo-42938-replace-snprintf-with-python-unicode-formatting-in-ctypes-param-reprs-gh-24247.patch
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@ -1,184 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
<31488909+miss-islington@users.noreply.github.com>
Date: Mon, 18 Jan 2021 13:29:31 -0800
Subject: [PATCH] 00357: bpo-42938: Replace snprintf with Python unicode
formatting in ctypes param reprs. (GH-24247)
(cherry picked from commit 916610ef90a0d0761f08747f7b0905541f0977c7)
Co-authored-by: Benjamin Peterson <benjamin@python.org>
---
Lib/ctypes/test/test_parameters.py | 43 ++++++++++++++++
.../2021-01-18-09-27-31.bpo-42938.4Zn4Mp.rst | 2 +
Modules/_ctypes/callproc.c | 51 +++++++------------
3 files changed, 64 insertions(+), 32 deletions(-)
create mode 100644 Misc/NEWS.d/next/Security/2021-01-18-09-27-31.bpo-42938.4Zn4Mp.rst
diff --git a/Lib/ctypes/test/test_parameters.py b/Lib/ctypes/test/test_parameters.py
index e4c25fd880..531894fdec 100644
--- a/Lib/ctypes/test/test_parameters.py
+++ b/Lib/ctypes/test/test_parameters.py
@@ -201,6 +201,49 @@ class SimpleTypesTestCase(unittest.TestCase):
with self.assertRaises(ZeroDivisionError):
WorseStruct().__setstate__({}, b'foo')
+ def test_parameter_repr(self):
+ from ctypes import (
+ c_bool,
+ c_char,
+ c_wchar,
+ c_byte,
+ c_ubyte,
+ c_short,
+ c_ushort,
+ c_int,
+ c_uint,
+ c_long,
+ c_ulong,
+ c_longlong,
+ c_ulonglong,
+ c_float,
+ c_double,
+ c_longdouble,
+ c_char_p,
+ c_wchar_p,
+ c_void_p,
+ )
+ self.assertRegex(repr(c_bool.from_param(True)), r"^<cparam '\?' at 0x[A-Fa-f0-9]+>$")
+ self.assertEqual(repr(c_char.from_param(97)), "<cparam 'c' ('a')>")
+ self.assertRegex(repr(c_wchar.from_param('a')), r"^<cparam 'u' at 0x[A-Fa-f0-9]+>$")
+ self.assertEqual(repr(c_byte.from_param(98)), "<cparam 'b' (98)>")
+ self.assertEqual(repr(c_ubyte.from_param(98)), "<cparam 'B' (98)>")
+ self.assertEqual(repr(c_short.from_param(511)), "<cparam 'h' (511)>")
+ self.assertEqual(repr(c_ushort.from_param(511)), "<cparam 'H' (511)>")
+ self.assertRegex(repr(c_int.from_param(20000)), r"^<cparam '[li]' \(20000\)>$")
+ self.assertRegex(repr(c_uint.from_param(20000)), r"^<cparam '[LI]' \(20000\)>$")
+ self.assertRegex(repr(c_long.from_param(20000)), r"^<cparam '[li]' \(20000\)>$")
+ self.assertRegex(repr(c_ulong.from_param(20000)), r"^<cparam '[LI]' \(20000\)>$")
+ self.assertRegex(repr(c_longlong.from_param(20000)), r"^<cparam '[liq]' \(20000\)>$")
+ self.assertRegex(repr(c_ulonglong.from_param(20000)), r"^<cparam '[LIQ]' \(20000\)>$")
+ self.assertEqual(repr(c_float.from_param(1.5)), "<cparam 'f' (1.5)>")
+ self.assertEqual(repr(c_double.from_param(1.5)), "<cparam 'd' (1.5)>")
+ self.assertEqual(repr(c_double.from_param(1e300)), "<cparam 'd' (1e+300)>")
+ self.assertRegex(repr(c_longdouble.from_param(1.5)), r"^<cparam ('d' \(1.5\)|'g' at 0x[A-Fa-f0-9]+)>$")
+ self.assertRegex(repr(c_char_p.from_param(b'hihi')), "^<cparam 'z' \(0x[A-Fa-f0-9]+\)>$")
+ self.assertRegex(repr(c_wchar_p.from_param('hihi')), "^<cparam 'Z' \(0x[A-Fa-f0-9]+\)>$")
+ self.assertRegex(repr(c_void_p.from_param(0x12)), r"^<cparam 'P' \(0x0*12\)>$")
+
################################################################
if __name__ == '__main__':
diff --git a/Misc/NEWS.d/next/Security/2021-01-18-09-27-31.bpo-42938.4Zn4Mp.rst b/Misc/NEWS.d/next/Security/2021-01-18-09-27-31.bpo-42938.4Zn4Mp.rst
new file mode 100644
index 0000000000..7df65a156f
--- /dev/null
+++ b/Misc/NEWS.d/next/Security/2021-01-18-09-27-31.bpo-42938.4Zn4Mp.rst
@@ -0,0 +1,2 @@
+Avoid static buffers when computing the repr of :class:`ctypes.c_double` and
+:class:`ctypes.c_longdouble` values.
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index b0a36a3024..f2506de544 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -489,58 +489,47 @@ is_literal_char(unsigned char c)
static PyObject *
PyCArg_repr(PyCArgObject *self)
{
- char buffer[256];
switch(self->tag) {
case 'b':
case 'B':
- sprintf(buffer, "<cparam '%c' (%d)>",
+ return PyUnicode_FromFormat("<cparam '%c' (%d)>",
self->tag, self->value.b);
- break;
case 'h':
case 'H':
- sprintf(buffer, "<cparam '%c' (%d)>",
+ return PyUnicode_FromFormat("<cparam '%c' (%d)>",
self->tag, self->value.h);
- break;
case 'i':
case 'I':
- sprintf(buffer, "<cparam '%c' (%d)>",
+ return PyUnicode_FromFormat("<cparam '%c' (%d)>",
self->tag, self->value.i);
- break;
case 'l':
case 'L':
- sprintf(buffer, "<cparam '%c' (%ld)>",
+ return PyUnicode_FromFormat("<cparam '%c' (%ld)>",
self->tag, self->value.l);
- break;
case 'q':
case 'Q':
- sprintf(buffer,
-#ifdef MS_WIN32
- "<cparam '%c' (%I64d)>",
-#else
- "<cparam '%c' (%lld)>",
-#endif
+ return PyUnicode_FromFormat("<cparam '%c' (%lld)>",
self->tag, self->value.q);
- break;
case 'd':
- sprintf(buffer, "<cparam '%c' (%f)>",
- self->tag, self->value.d);
- break;
- case 'f':
- sprintf(buffer, "<cparam '%c' (%f)>",
- self->tag, self->value.f);
- break;
-
+ case 'f': {
+ PyObject *f = PyFloat_FromDouble((self->tag == 'f') ? self->value.f : self->value.d);
+ if (f == NULL) {
+ return NULL;
+ }
+ PyObject *result = PyUnicode_FromFormat("<cparam '%c' (%R)>", self->tag, f);
+ Py_DECREF(f);
+ return result;
+ }
case 'c':
if (is_literal_char((unsigned char)self->value.c)) {
- sprintf(buffer, "<cparam '%c' ('%c')>",
+ return PyUnicode_FromFormat("<cparam '%c' ('%c')>",
self->tag, self->value.c);
}
else {
- sprintf(buffer, "<cparam '%c' ('\\x%02x')>",
+ return PyUnicode_FromFormat("<cparam '%c' ('\\x%02x')>",
self->tag, (unsigned char)self->value.c);
}
- break;
/* Hm, are these 'z' and 'Z' codes useful at all?
Shouldn't they be replaced by the functionality of c_string
@@ -549,22 +538,20 @@ PyCArg_repr(PyCArgObject *self)
case 'z':
case 'Z':
case 'P':
- sprintf(buffer, "<cparam '%c' (%p)>",
+ return PyUnicode_FromFormat("<cparam '%c' (%p)>",
self->tag, self->value.p);
break;
default:
if (is_literal_char((unsigned char)self->tag)) {
- sprintf(buffer, "<cparam '%c' at %p>",
+ return PyUnicode_FromFormat("<cparam '%c' at %p>",
(unsigned char)self->tag, (void *)self);
}
else {
- sprintf(buffer, "<cparam 0x%02x at %p>",
+ return PyUnicode_FromFormat("<cparam 0x%02x at %p>",
(unsigned char)self->tag, (void *)self);
}
- break;
}
- return PyUnicode_FromString(buffer);
}
static PyMemberDef PyCArgType_members[] = {

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SOURCES/Python-3.9.1.tar.xz.asc
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SOURCES/Python-3.9.2.tar.xz.asc Normal file
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SPECS/python39.spec
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@ -13,11 +13,11 @@ URL: https://www.python.org/
# WARNING When rebasing to a new Python version,
# remember to update the python3-docs package as well
%global general_version %{pybasever}.1
%global general_version %{pybasever}.2
#global prerel ...
%global upstream_version %{general_version}%{?prerel}
Version: %{general_version}%{?prerel:~%{prerel}}
Release: 5%{?dist}
Release: 1%{?dist}
License: Python
# Exclude i686 arch. Due to a modularity issue it's being added to the
@ -383,12 +383,6 @@ Patch329: 00329-fips.patch
# a nightmare because it's basically a binary file.
Patch353: 00353-architecture-names-upstream-downstream.patch
# 00357 # 4501d419207a7209831ae7e98b60c93df24d6519
# Fixes CVE-2021-3177
# Resolves: rhbz#1918168
# bpo-42938: Replace snprintf with Python unicode formatting in ctypes param reprs. (GH-24247)
Patch357: 00357-bpo-42938-replace-snprintf-with-python-unicode-formatting-in-ctypes-param-reprs-gh-24247.patch
# (New patches go here ^^^)
#
# When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@ -777,7 +771,6 @@ rm Lib/ensurepip/_bundled/*.whl
%apply_patch -q %{PATCH328}
%apply_patch -q %{PATCH329}
%apply_patch -q %{PATCH353}
%apply_patch -q %{PATCH357}
# Remove all exe files to ensure we are not shipping prebuilt binaries
# note that those are only used to create Microsoft Windows installers
@ -1941,6 +1934,10 @@ fi
# ======================================================
%changelog
* Wed Mar 03 2021 Lumír Balhar <lbalhar@redhat.com> - 3.9.2-1
- Update to 3.9.2 to fix CVE-2021-23336
Resolves: rhbz#1928904
* Wed Feb 10 2021 Charalampos Stratakis <cstratak@redhat.com> - 3.9.1-5
- Compile the debug build with -O0 instead of -Og
Resolves: rhbz#1926283