c8-stream-3.9
imports/c8-stream-3.9/python39-3.9.19-7.module+el8.10.0+22237+51382d7a
MSVSphere Packaging Team
3 weeks ago
parent
4e8bb6147e
commit
7bc21b3560
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From f647bd8884bc89767914a5e0dea9ae099a8b50b5 Mon Sep 17 00:00:00 2001
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From: Petr Viktorin <encukou@gmail.com>
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Date: Tue, 7 May 2024 11:57:58 +0200
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Subject: [PATCH] gh-113171: gh-65056: Fix "private" (non-global) IP address
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ranges (GH-113179) (GH-113186) (GH-118177) (GH-118472)
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The _private_networks variables, used by various is_private
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implementations, were missing some ranges and at the same time had
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overly strict ranges (where there are more specific ranges considered
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globally reachable by the IANA registries).
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This patch updates the ranges with what was missing or otherwise
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incorrect.
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100.64.0.0/10 is left alone, for now, as it's been made special in [1].
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The _address_exclude_many() call returns 8 networks for IPv4, 121
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networks for IPv6.
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[1] https://github.com/python/cpython/issues/61602
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In 3.10 and below, is_private checks whether the network and broadcast
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address are both private.
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In later versions (where the test wss backported from), it checks
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whether they both are in the same private network.
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For 0.0.0.0/0, both 0.0.0.0 and 255.225.255.255 are private,
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but one is in 0.0.0.0/8 ("This network") and the other in
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255.255.255.255/32 ("Limited broadcast").
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---------
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Co-authored-by: Jakub Stasiak <jakub@stasiak.at>
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---
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Doc/library/ipaddress.rst | 43 ++++++++-
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Doc/tools/susp-ignored.csv | 8 ++
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Doc/whatsnew/3.9.rst | 9 ++
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Lib/ipaddress.py | 95 +++++++++++++++----
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Lib/test/test_ipaddress.py | 52 ++++++++++
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...-03-14-01-38-44.gh-issue-113171.VFnObz.rst | 9 ++
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6 files changed, 195 insertions(+), 21 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Library/2024-03-14-01-38-44.gh-issue-113171.VFnObz.rst
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diff --git a/Doc/library/ipaddress.rst b/Doc/library/ipaddress.rst
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index 9c2dff5..f9c1ebf 100644
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--- a/Doc/library/ipaddress.rst
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+++ b/Doc/library/ipaddress.rst
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@@ -188,18 +188,53 @@ write code that handles both IP versions correctly. Address objects are
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.. attribute:: is_private
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- ``True`` if the address is allocated for private networks. See
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+ ``True`` if the address is defined as not globally reachable by
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iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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- (for IPv6).
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+ (for IPv6) with the following exceptions:
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+
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+ * ``is_private`` is ``False`` for the shared address space (``100.64.0.0/10``)
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+ * For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_private == address.ipv4_mapped.is_private
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+
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+ ``is_private`` has value opposite to :attr:`is_global`, except for the shared address space
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+ (``100.64.0.0/10`` range) where they are both ``False``.
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+
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+ .. versionchanged:: 3.9.20
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+
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+ Fixed some false positives and false negatives.
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+
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+ * ``192.0.0.0/24`` is considered private with the exception of ``192.0.0.9/32`` and
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+ ``192.0.0.10/32`` (previously: only the ``192.0.0.0/29`` sub-range was considered private).
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+ * ``64:ff9b:1::/48`` is considered private.
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+ * ``2002::/16`` is considered private.
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+ * There are exceptions within ``2001::/23`` (otherwise considered private): ``2001:1::1/128``,
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+ ``2001:1::2/128``, ``2001:3::/32``, ``2001:4:112::/48``, ``2001:20::/28``, ``2001:30::/28``.
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+ The exceptions are not considered private.
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.. attribute:: is_global
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- ``True`` if the address is allocated for public networks. See
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+ ``True`` if the address is defined as globally reachable by
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iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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- (for IPv6).
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+ (for IPv6) with the following exception:
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+
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+ For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_global == address.ipv4_mapped.is_global
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+
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+ ``is_global`` has value opposite to :attr:`is_private`, except for the shared address space
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+ (``100.64.0.0/10`` range) where they are both ``False``.
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.. versionadded:: 3.4
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+ .. versionchanged:: 3.9.20
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+
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+ Fixed some false positives and false negatives, see :attr:`is_private` for details.
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+
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.. attribute:: is_unspecified
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``True`` if the address is unspecified. See :RFC:`5735` (for IPv4)
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diff --git a/Doc/tools/susp-ignored.csv b/Doc/tools/susp-ignored.csv
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index 3eb3d79..de91a50 100644
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--- a/Doc/tools/susp-ignored.csv
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+++ b/Doc/tools/susp-ignored.csv
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@@ -169,6 +169,14 @@ library/ipaddress,,:db00,2001:db00::0/24
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library/ipaddress,,::,2001:db00::0/24
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library/ipaddress,,:db00,2001:db00::0/ffff:ff00::
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library/ipaddress,,::,2001:db00::0/ffff:ff00::
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+library/ipaddress,,:ff9b,64:ff9b:1::/48
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+library/ipaddress,,::,64:ff9b:1::/48
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+library/ipaddress,,::,2001::
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+library/ipaddress,,::,2001:1::
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+library/ipaddress,,::,2001:3::
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+library/ipaddress,,::,2001:4:112::
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+library/ipaddress,,::,2001:20::
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+library/ipaddress,,::,2001:30::
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library/itertools,,:step,elements from seq[start:stop:step]
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library/itertools,,:stop,elements from seq[start:stop:step]
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library/itertools,,::,kernel = tuple(kernel)[::-1]
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diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
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index 0064e07..1756a37 100644
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--- a/Doc/whatsnew/3.9.rst
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+++ b/Doc/whatsnew/3.9.rst
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@@ -1616,3 +1616,12 @@ tarfile
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:exc:`DeprecationWarning`.
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In Python 3.14, the default will switch to ``'data'``.
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(Contributed by Petr Viktorin in :pep:`706`.)
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+
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+Notable changes in 3.9.20
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+=========================
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+
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+ipaddress
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+---------
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+
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+* Fixed ``is_global`` and ``is_private`` behavior in ``IPv4Address``,
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+ ``IPv6Address``, ``IPv4Network`` and ``IPv6Network``.
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diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
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index 25f373a..9b35340 100644
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--- a/Lib/ipaddress.py
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+++ b/Lib/ipaddress.py
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@@ -1322,18 +1322,41 @@ class IPv4Address(_BaseV4, _BaseAddress):
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@property
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@functools.lru_cache()
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def is_private(self):
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- """Test if this address is allocated for private networks.
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+ """``True`` if the address is defined as not globally reachable by
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+ iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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+ (for IPv6) with the following exceptions:
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- Returns:
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- A boolean, True if the address is reserved per
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- iana-ipv4-special-registry.
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+ * ``is_private`` is ``False`` for ``100.64.0.0/10``
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+ * For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_private == address.ipv4_mapped.is_private
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+ ``is_private`` has value opposite to :attr:`is_global`, except for the ``100.64.0.0/10``
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+ IPv4 range where they are both ``False``.
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"""
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- return any(self in net for net in self._constants._private_networks)
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+ return (
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+ any(self in net for net in self._constants._private_networks)
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+ and all(self not in net for net in self._constants._private_networks_exceptions)
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+ )
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@property
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@functools.lru_cache()
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def is_global(self):
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+ """``True`` if the address is defined as globally reachable by
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+ iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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+ (for IPv6) with the following exception:
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+
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+ For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_global == address.ipv4_mapped.is_global
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+
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+ ``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10``
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+ IPv4 range where they are both ``False``.
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+ """
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return self not in self._constants._public_network and not self.is_private
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@property
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@@ -1537,13 +1560,15 @@ class _IPv4Constants:
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_public_network = IPv4Network('100.64.0.0/10')
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+ # Not globally reachable address blocks listed on
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+ # https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
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_private_networks = [
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IPv4Network('0.0.0.0/8'),
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IPv4Network('10.0.0.0/8'),
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IPv4Network('127.0.0.0/8'),
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IPv4Network('169.254.0.0/16'),
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IPv4Network('172.16.0.0/12'),
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- IPv4Network('192.0.0.0/29'),
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+ IPv4Network('192.0.0.0/24'),
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IPv4Network('192.0.0.170/31'),
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IPv4Network('192.0.2.0/24'),
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IPv4Network('192.168.0.0/16'),
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@@ -1554,6 +1579,11 @@ class _IPv4Constants:
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IPv4Network('255.255.255.255/32'),
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]
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+ _private_networks_exceptions = [
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+ IPv4Network('192.0.0.9/32'),
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+ IPv4Network('192.0.0.10/32'),
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+ ]
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+
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_reserved_network = IPv4Network('240.0.0.0/4')
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_unspecified_address = IPv4Address('0.0.0.0')
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@@ -1995,23 +2025,42 @@ class IPv6Address(_BaseV6, _BaseAddress):
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@property
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@functools.lru_cache()
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def is_private(self):
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- """Test if this address is allocated for private networks.
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+ """``True`` if the address is defined as not globally reachable by
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+ iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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+ (for IPv6) with the following exceptions:
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- Returns:
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- A boolean, True if the address is reserved per
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- iana-ipv6-special-registry.
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+ * ``is_private`` is ``False`` for ``100.64.0.0/10``
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+ * For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_private == address.ipv4_mapped.is_private
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+ ``is_private`` has value opposite to :attr:`is_global`, except for the ``100.64.0.0/10``
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+ IPv4 range where they are both ``False``.
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"""
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- return any(self in net for net in self._constants._private_networks)
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+ ipv4_mapped = self.ipv4_mapped
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+ if ipv4_mapped is not None:
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+ return ipv4_mapped.is_private
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+ return (
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+ any(self in net for net in self._constants._private_networks)
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+ and all(self not in net for net in self._constants._private_networks_exceptions)
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+ )
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@property
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def is_global(self):
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- """Test if this address is allocated for public networks.
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+ """``True`` if the address is defined as globally reachable by
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+ iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
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+ (for IPv6) with the following exception:
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- Returns:
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- A boolean, true if the address is not reserved per
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- iana-ipv6-special-registry.
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+ For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
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+ semantics of the underlying IPv4 addresses and the following condition holds
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+ (see :attr:`IPv6Address.ipv4_mapped`)::
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+
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+ address.is_global == address.ipv4_mapped.is_global
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|
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+ ``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10``
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+ IPv4 range where they are both ``False``.
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"""
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return not self.is_private
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@@ -2252,19 +2301,31 @@ class _IPv6Constants:
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_multicast_network = IPv6Network('ff00::/8')
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|
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+ # Not globally reachable address blocks listed on
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+ # https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
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_private_networks = [
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IPv6Network('::1/128'),
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IPv6Network('::/128'),
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IPv6Network('::ffff:0:0/96'),
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+ IPv6Network('64:ff9b:1::/48'),
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IPv6Network('100::/64'),
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IPv6Network('2001::/23'),
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- IPv6Network('2001:2::/48'),
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IPv6Network('2001:db8::/32'),
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- IPv6Network('2001:10::/28'),
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+ # IANA says N/A, let's consider it not globally reachable to be safe
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+ IPv6Network('2002::/16'),
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IPv6Network('fc00::/7'),
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IPv6Network('fe80::/10'),
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]
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|
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+ _private_networks_exceptions = [
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+ IPv6Network('2001:1::1/128'),
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+ IPv6Network('2001:1::2/128'),
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+ IPv6Network('2001:3::/32'),
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+ IPv6Network('2001:4:112::/48'),
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+ IPv6Network('2001:20::/28'),
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+ IPv6Network('2001:30::/28'),
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+ ]
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+
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_reserved_networks = [
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IPv6Network('::/8'), IPv6Network('100::/8'),
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IPv6Network('200::/7'), IPv6Network('400::/6'),
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diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py
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index 90897f6..bd14f04 100644
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|
--- a/Lib/test/test_ipaddress.py
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+++ b/Lib/test/test_ipaddress.py
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|
@@ -2263,6 +2263,10 @@ class IpaddrUnitTest(unittest.TestCase):
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|
self.assertEqual(True, ipaddress.ip_address(
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|
'172.31.255.255').is_private)
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self.assertEqual(False, ipaddress.ip_address('172.32.0.0').is_private)
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+ self.assertFalse(ipaddress.ip_address('192.0.0.0').is_global)
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+ self.assertTrue(ipaddress.ip_address('192.0.0.9').is_global)
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+ self.assertTrue(ipaddress.ip_address('192.0.0.10').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('192.0.0.255').is_global)
|
||||||
|
|
||||||
|
self.assertEqual(True,
|
||||||
|
ipaddress.ip_address('169.254.100.200').is_link_local)
|
||||||
|
@@ -2278,6 +2282,40 @@ class IpaddrUnitTest(unittest.TestCase):
|
||||||
|
self.assertEqual(False, ipaddress.ip_address('128.0.0.0').is_loopback)
|
||||||
|
self.assertEqual(True, ipaddress.ip_network('0.0.0.0').is_unspecified)
|
||||||
|
|
||||||
|
+ def testPrivateNetworks(self):
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("0.0.0.0/0").is_private)
|
||||||
|
+ self.assertEqual(False, ipaddress.ip_network("1.0.0.0/8").is_private)
|
||||||
|
+
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("0.0.0.0/8").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("10.0.0.0/8").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("127.0.0.0/8").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("169.254.0.0/16").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("172.16.0.0/12").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("192.0.0.0/29").is_private)
|
||||||
|
+ self.assertEqual(False, ipaddress.ip_network("192.0.0.9/32").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("192.0.0.170/31").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("192.0.2.0/24").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("192.168.0.0/16").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("198.18.0.0/15").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("198.51.100.0/24").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("203.0.113.0/24").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("240.0.0.0/4").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("255.255.255.255/32").is_private)
|
||||||
|
+
|
||||||
|
+ self.assertEqual(False, ipaddress.ip_network("::/0").is_private)
|
||||||
|
+ self.assertEqual(False, ipaddress.ip_network("::ff/128").is_private)
|
||||||
|
+
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("::1/128").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("::/128").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("::ffff:0:0/96").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("100::/64").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("2001:2::/48").is_private)
|
||||||
|
+ self.assertEqual(False, ipaddress.ip_network("2001:3::/48").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("2001:db8::/32").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("2001:10::/28").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("fc00::/7").is_private)
|
||||||
|
+ self.assertEqual(True, ipaddress.ip_network("fe80::/10").is_private)
|
||||||
|
+
|
||||||
|
def testReservedIpv6(self):
|
||||||
|
|
||||||
|
self.assertEqual(True, ipaddress.ip_network('ffff::').is_multicast)
|
||||||
|
@@ -2351,6 +2389,20 @@ class IpaddrUnitTest(unittest.TestCase):
|
||||||
|
self.assertEqual(True, ipaddress.ip_address('0::0').is_unspecified)
|
||||||
|
self.assertEqual(False, ipaddress.ip_address('::1').is_unspecified)
|
||||||
|
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('64:ff9b:1::').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2001::').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:1::1').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:1::2').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2001:2::').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:3::').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2001:4::').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:4:112::').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2001:10::').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:20::').is_global)
|
||||||
|
+ self.assertTrue(ipaddress.ip_address('2001:30::').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2001:40::').is_global)
|
||||||
|
+ self.assertFalse(ipaddress.ip_address('2002::').is_global)
|
||||||
|
+
|
||||||
|
# some generic IETF reserved addresses
|
||||||
|
self.assertEqual(True, ipaddress.ip_address('100::').is_reserved)
|
||||||
|
self.assertEqual(True, ipaddress.ip_network('4000::1/128').is_reserved)
|
||||||
|
diff --git a/Misc/NEWS.d/next/Library/2024-03-14-01-38-44.gh-issue-113171.VFnObz.rst b/Misc/NEWS.d/next/Library/2024-03-14-01-38-44.gh-issue-113171.VFnObz.rst
|
||||||
|
new file mode 100644
|
||||||
|
index 0000000..f9a7247
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/Misc/NEWS.d/next/Library/2024-03-14-01-38-44.gh-issue-113171.VFnObz.rst
|
||||||
|
@@ -0,0 +1,9 @@
|
||||||
|
+Fixed various false positives and false negatives in
|
||||||
|
+
|
||||||
|
+* :attr:`ipaddress.IPv4Address.is_private` (see these docs for details)
|
||||||
|
+* :attr:`ipaddress.IPv4Address.is_global`
|
||||||
|
+* :attr:`ipaddress.IPv6Address.is_private`
|
||||||
|
+* :attr:`ipaddress.IPv6Address.is_global`
|
||||||
|
+
|
||||||
|
+Also in the corresponding :class:`ipaddress.IPv4Network` and :class:`ipaddress.IPv6Network`
|
||||||
|
+attributes.
|
||||||
|
--
|
||||||
|
2.45.2
|
||||||
|
|
||||||
@ -0,0 +1,128 @@
|
|||||||
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||||||
|
From: "Jason R. Coombs" <jaraco@jaraco.com>
|
||||||
|
Date: Mon, 19 Aug 2024 19:28:20 -0400
|
||||||
|
Subject: [PATCH] 00436: [CVE-2024-8088] gh-122905: Sanitize names in
|
||||||
|
zipfile.Path.
|
||||||
|
|
||||||
|
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
|
||||||
|
---
|
||||||
|
Lib/test/test_zipfile.py | 17 ++++++
|
||||||
|
Lib/zipfile.py | 61 ++++++++++++++++++-
|
||||||
|
...-08-11-14-08-04.gh-issue-122905.7tDsxA.rst | 1 +
|
||||||
|
3 files changed, 78 insertions(+), 1 deletion(-)
|
||||||
|
create mode 100644 Misc/NEWS.d/next/Library/2024-08-11-14-08-04.gh-issue-122905.7tDsxA.rst
|
||||||
|
|
||||||
|
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
|
||||||
|
index 17e95eb862..9a72152357 100644
|
||||||
|
--- a/Lib/test/test_zipfile.py
|
||||||
|
+++ b/Lib/test/test_zipfile.py
|
||||||
|
@@ -3054,6 +3054,23 @@ class TestPath(unittest.TestCase):
|
||||||
|
data = ['/'.join(string.ascii_lowercase + str(n)) for n in range(10000)]
|
||||||
|
zipfile.CompleteDirs._implied_dirs(data)
|
||||||
|
|
||||||
|
+ def test_malformed_paths(self):
|
||||||
|
+ """
|
||||||
|
+ Path should handle malformed paths.
|
||||||
|
+ """
|
||||||
|
+ data = io.BytesIO()
|
||||||
|
+ zf = zipfile.ZipFile(data, "w")
|
||||||
|
+ zf.writestr("/one-slash.txt", b"content")
|
||||||
|
+ zf.writestr("//two-slash.txt", b"content")
|
||||||
|
+ zf.writestr("../parent.txt", b"content")
|
||||||
|
+ zf.filename = ''
|
||||||
|
+ root = zipfile.Path(zf)
|
||||||
|
+ assert list(map(str, root.iterdir())) == [
|
||||||
|
+ 'one-slash.txt',
|
||||||
|
+ 'two-slash.txt',
|
||||||
|
+ 'parent.txt',
|
||||||
|
+ ]
|
||||||
|
+
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
unittest.main()
|
||||||
|
diff --git a/Lib/zipfile.py b/Lib/zipfile.py
|
||||||
|
index 95f95ee112..2e9b2868cd 100644
|
||||||
|
--- a/Lib/zipfile.py
|
||||||
|
+++ b/Lib/zipfile.py
|
||||||
|
@@ -9,6 +9,7 @@ import io
|
||||||
|
import itertools
|
||||||
|
import os
|
||||||
|
import posixpath
|
||||||
|
+import re
|
||||||
|
import shutil
|
||||||
|
import stat
|
||||||
|
import struct
|
||||||
|
@@ -2177,7 +2178,65 @@ def _difference(minuend, subtrahend):
|
||||||
|
return itertools.filterfalse(set(subtrahend).__contains__, minuend)
|
||||||
|
|
||||||
|
|
||||||
|
-class CompleteDirs(ZipFile):
|
||||||
|
+class SanitizedNames:
|
||||||
|
+ """
|
||||||
|
+ ZipFile mix-in to ensure names are sanitized.
|
||||||
|
+ """
|
||||||
|
+
|
||||||
|
+ def namelist(self):
|
||||||
|
+ return list(map(self._sanitize, super().namelist()))
|
||||||
|
+
|
||||||
|
+ @staticmethod
|
||||||
|
+ def _sanitize(name):
|
||||||
|
+ r"""
|
||||||
|
+ Ensure a relative path with posix separators and no dot names.
|
||||||
|
+ Modeled after
|
||||||
|
+ https://github.com/python/cpython/blob/bcc1be39cb1d04ad9fc0bd1b9193d3972835a57c/Lib/zipfile/__init__.py#L1799-L1813
|
||||||
|
+ but provides consistent cross-platform behavior.
|
||||||
|
+ >>> san = SanitizedNames._sanitize
|
||||||
|
+ >>> san('/foo/bar')
|
||||||
|
+ 'foo/bar'
|
||||||
|
+ >>> san('//foo.txt')
|
||||||
|
+ 'foo.txt'
|
||||||
|
+ >>> san('foo/.././bar.txt')
|
||||||
|
+ 'foo/bar.txt'
|
||||||
|
+ >>> san('foo../.bar.txt')
|
||||||
|
+ 'foo../.bar.txt'
|
||||||
|
+ >>> san('\\foo\\bar.txt')
|
||||||
|
+ 'foo/bar.txt'
|
||||||
|
+ >>> san('D:\\foo.txt')
|
||||||
|
+ 'D/foo.txt'
|
||||||
|
+ >>> san('\\\\server\\share\\file.txt')
|
||||||
|
+ 'server/share/file.txt'
|
||||||
|
+ >>> san('\\\\?\\GLOBALROOT\\Volume3')
|
||||||
|
+ '?/GLOBALROOT/Volume3'
|
||||||
|
+ >>> san('\\\\.\\PhysicalDrive1\\root')
|
||||||
|
+ 'PhysicalDrive1/root'
|
||||||
|
+ Retain any trailing slash.
|
||||||
|
+ >>> san('abc/')
|
||||||
|
+ 'abc/'
|
||||||
|
+ Raises a ValueError if the result is empty.
|
||||||
|
+ >>> san('../..')
|
||||||
|
+ Traceback (most recent call last):
|
||||||
|
+ ...
|
||||||
|
+ ValueError: Empty filename
|
||||||
|
+ """
|
||||||
|
+
|
||||||
|
+ def allowed(part):
|
||||||
|
+ return part and part not in {'..', '.'}
|
||||||
|
+
|
||||||
|
+ # Remove the drive letter.
|
||||||
|
+ # Don't use ntpath.splitdrive, because that also strips UNC paths
|
||||||
|
+ bare = re.sub('^([A-Z]):', r'\1', name, flags=re.IGNORECASE)
|
||||||
|
+ clean = bare.replace('\\', '/')
|
||||||
|
+ parts = clean.split('/')
|
||||||
|
+ joined = '/'.join(filter(allowed, parts))
|
||||||
|
+ if not joined:
|
||||||
|
+ raise ValueError("Empty filename")
|
||||||
|
+ return joined + '/' * name.endswith('/')
|
||||||
|
+
|
||||||
|
+
|
||||||
|
+class CompleteDirs(SanitizedNames, ZipFile):
|
||||||
|
"""
|
||||||
|
A ZipFile subclass that ensures that implied directories
|
||||||
|
are always included in the namelist.
|
||||||
|
diff --git a/Misc/NEWS.d/next/Library/2024-08-11-14-08-04.gh-issue-122905.7tDsxA.rst b/Misc/NEWS.d/next/Library/2024-08-11-14-08-04.gh-issue-122905.7tDsxA.rst
|
||||||
|
new file mode 100644
|
||||||
|
index 0000000000..1be44c906c
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/Misc/NEWS.d/next/Library/2024-08-11-14-08-04.gh-issue-122905.7tDsxA.rst
|
||||||
|
@@ -0,0 +1 @@
|
||||||
|
+:class:`zipfile.Path` objects now sanitize names from the zipfile.
|
||||||
Loading…
Reference in new issue