commit:     f2a53a94f3b6b6395ef4541051a02d80c61442d0
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Mon Feb 15 23:48:16 2021 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Feb 16 00:12:55 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f2a53a94

dev-lang/python: Backport CVE-2021-23336 fix to 2.7

Bug: https://bugs.gentoo.org/770853
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 dev-lang/python/Manifest                |   1 +
 dev-lang/python/python-2.7.18_p7.ebuild | 358 ++++++++++++++++++++++++++++++++
 2 files changed, 359 insertions(+)

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index 2cca4dd0a81..c34a27c72c1 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -17,6 +17,7 @@ DIST Python-3.9.1.tar.xz 18897104 BLAKE2B 
bcbce176510e8e7c6ba6070588bedc52121c21
 DIST Python-3.9.1.tar.xz.asc 833 BLAKE2B 
dc445ed9797668c5f0777259ea83330815ee516dafc752e6a0d903bae5355e76360afa5ed318ce09bbbcfb4df6269b06b6fb6b7d9c074678b612bb1ea9e3148a
 SHA512 
400259f499820e0499290402f095ee5454168907f539de705cad4f0e5586b1c67a0ac45b89bf099701be55146a5eed73dbc9e2cb15562fef34da2813ac82f342
 DIST python-gentoo-patches-2.7.18-r4.tar.xz 21352 BLAKE2B 
d322f5afd63813d7c9280c75f942bde75ee19793e121d0406c4f229ead53324bf3996342eed9a6c1aa474894afe7f2dd70aec38aee8042993a5274abc288fd31
 SHA512 
1cb0be8e79d0c6c55fcbe3f3dabf8b760aea0e60d888ea39d3e69de03b55738c50b2cca06586c1cd2896956f5764eefd6d3f9fbf2de0d0ddfd8aab86837976b6
 DIST python-gentoo-patches-2.7.18-r6.tar.xz 22740 BLAKE2B 
1727fcab273dfe5e5739c7ce1cd7fb3c6bd13c2bda25a2e4e0609a2e727a69318a46b7c2173ea7746f8a124e778b276408adc9968ed2025b8643e660bb3d3ea3
 SHA512 
975fe72c5b2f4577563e8e972c70b7eec7203790a500e6f051fab1f66c71e5ae46fcb3c571a9e6346bf3a0d1dd48594a61bf2751007e4f5e3d19f8db6146c99d
+DIST python-gentoo-patches-2.7.18_p7.tar.xz 26392 BLAKE2B 
94a6312698789810af835a2ac8d87c34dc8d435a1ff4d5c9b7ae9175b92da6a4b204feabf9bb6db498fc6dcc17bb1b042b2b0b17ddc781587589b1ab0905396d
 SHA512 
a3cd34f38a717183d9a8d6b91817a6ac989fb8ae4275f35cba4be810813a4c9c45f4e72d16aee33904eddaee77c4719b516392d629d2c4627c840e4ecc6bc121
 DIST python-gentoo-patches-3.10.0a3-r1.tar.xz 10068 BLAKE2B 
8b305a31cf0aab4da9e27e671b4fd48be6224ff8508ed1831ad4149761bb263cd9a694e90d52335390643a537dee2d6cab4e086bd521c99217e81845b4f9bcf1
 SHA512 
69c52c61dd2f1ca097fafe13c27cd1979280675bef6af8e8e300f3791d7eb50368311e3d055075f4bca01ce02d9e97a94fcd2662c78f14cfb6a37d77c39a158f
 DIST python-gentoo-patches-3.10.0a5.tar.xz 8972 BLAKE2B 
b407e501037f2732ec0844ab033fcd6226ff96731f5e752b5a807c69aa57e678e9f170aab5dd3f69bd9d2951c82ecca4664354c11aca88a4a742281ab5d28887
 SHA512 
4dceba9adc33b06196f326dbeacb8b17eaeffebee98f0025d4faef8f047be9c20a153a8eb89a2b64f9248cbd8810ae4a5ebfc2534770a940825a5d8a4a02e068
 DIST python-gentoo-patches-3.10.0a5_p1.tar.xz 14336 BLAKE2B 
953d77e59460bbd53bf41bc57e48957f6a6d08dc9f8a1adb4ad3c64a0a1281a15142952e6733c1dd9a5eadd6d81332db54dc4eb906e73ccfd35e0d18a8363962
 SHA512 
2c0f01c39e530a612e1ce64298d3f019f7313258b2dc75964b6ebdfcd98139d46fc5f673ee2e509602a2f825de23e3a6d96c234745098e1da83b6779dbbeb1fb

diff --git a/dev-lang/python/python-2.7.18_p7.ebuild 
b/dev-lang/python/python-2.7.18_p7.ebuild
new file mode 100644
index 00000000000..65446e2f1ae
--- /dev/null
+++ b/dev-lang/python/python-2.7.18_p7.ebuild
@@ -0,0 +1,358 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+WANT_LIBTOOL="none"
+
+inherit autotools flag-o-matic pax-utils \
+       python-utils-r1 toolchain-funcs verify-sig
+
+MY_P="Python-${PV%_p*}"
+PYVER=$(ver_cut 1-2)
+PATCHSET="python-gentoo-patches-${PV}"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="https://www.python.org/";
+SRC_URI="https://www.python.org/ftp/python/${PV%_*}/${MY_P}.tar.xz
+       https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz
+       verify-sig? (
+               https://www.python.org/ftp/python/${PV%_*}/${MY_P}.tar.xz.asc
+       )"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="PSF-2"
+SLOT="${PYVER}"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 
~sparc ~x86"
+IUSE="-berkdb bluetooth build elibc_uclibc examples gdbm hardened ipv6 
libressl +ncurses +readline sqlite +ssl +threads tk +wide-unicode wininst +xml"
+
+# Do not add a dependency on dev-lang/python to this ebuild.
+# If you need to apply a patch which requires python for bootstrapping, please
+# run the bootstrap code on your dev box and include the results in the
+# patchset. See bug 447752.
+
+RDEPEND="app-arch/bzip2:=
+       dev-libs/libffi:=
+       >=sys-libs/zlib-1.1.3:=
+       virtual/libcrypt:=
+       virtual/libintl
+       berkdb? ( || (
+               sys-libs/db:5.3
+               sys-libs/db:5.1
+               sys-libs/db:4.8
+               sys-libs/db:4.7
+               sys-libs/db:4.6
+               sys-libs/db:4.5
+               sys-libs/db:4.4
+               sys-libs/db:4.3
+               sys-libs/db:4.2
+       ) )
+       gdbm? ( sys-libs/gdbm:=[berkdb] )
+       ncurses? ( >=sys-libs/ncurses-5.2:= )
+       readline? ( >=sys-libs/readline-4.1:= )
+       sqlite? ( >=dev-db/sqlite-3.3.8:3= )
+       ssl? (
+               !libressl? ( dev-libs/openssl:= )
+               libressl? ( dev-libs/libressl:= )
+       )
+       tk? (
+               >=dev-lang/tcl-8.0:=
+               >=dev-lang/tk-8.0:=
+               dev-tcltk/blt:=
+               dev-tcltk/tix
+       )
+       xml? ( >=dev-libs/expat-2.1:= )"
+# bluetooth requires headers from bluez
+DEPEND="${RDEPEND}
+       bluetooth? ( net-wireless/bluez )"
+BDEPEND="
+       virtual/pkgconfig
+       verify-sig? ( app-crypt/openpgp-keys-python )
+       !sys-devel/gcc[libffi(-)]"
+PDEPEND="app-eselect/eselect-python"
+RDEPEND+="
+       !build? ( app-misc/mime-types )
+       !<=dev-lang/python-exec-2.4.6-r1"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/python.org.asc
+
+pkg_setup() {
+       if use berkdb; then
+               ewarn "'bsddb' module is out-of-date and no longer maintained 
inside"
+               ewarn "dev-lang/python. 'bsddb' and 'dbhash' modules have been 
additionally"
+               ewarn "removed in Python 3. A maintained alternative of 
'bsddb3' module"
+               ewarn "is provided by dev-python/bsddb3."
+       else
+               if has_version "=${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"; then
+                       ewarn "You are migrating from 
=${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"
+                       ewarn "to =${CATEGORY}/${PN}-${PV%%.*}*[-berkdb]."
+                       ewarn "You might need to migrate your databases."
+               fi
+       fi
+}
+
+src_unpack() {
+       if use verify-sig; then
+               verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.asc}
+       fi
+       default
+}
+
+src_prepare() {
+       # Ensure that internal copies of expat, libffi and zlib are not used.
+       rm -fr Modules/expat || die
+       rm -fr Modules/_ctypes/libffi* || die
+       rm -fr Modules/zlib || die
+
+       local PATCHES=(
+               "${WORKDIR}/${PATCHSET}"
+       )
+
+       default
+
+       sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+               Lib/distutils/command/install.py \
+               Lib/distutils/sysconfig.py \
+               Lib/site.py \
+               Lib/sysconfig.py \
+               Lib/test/test_site.py \
+               Makefile.pre.in \
+               Modules/Setup.dist \
+               Modules/getpath.c \
+               setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+       eautoreconf
+}
+
+src_configure() {
+       # dbm module can be linked against berkdb or gdbm.
+       # Defaults to gdbm when both are enabled, #204343.
+       local disable
+       use berkdb    || use gdbm || disable+=" dbm"
+       use berkdb    || disable+=" _bsddb"
+       # disable automagic bluetooth headers detection
+       use bluetooth || export ac_cv_header_bluetooth_bluetooth_h=no
+       use gdbm      || disable+=" gdbm"
+       use ncurses   || disable+=" _curses _curses_panel"
+       use readline  || disable+=" readline"
+       use sqlite    || disable+=" _sqlite3"
+       use ssl       || export PYTHON_DISABLE_SSL="1"
+       use tk        || disable+=" _tkinter"
+       use xml       || disable+=" _elementtree pyexpat" # _elementtree uses 
pyexpat.
+       export PYTHON_DISABLE_MODULES="${disable}"
+
+       if ! use xml; then
+               ewarn "You have configured Python without XML support."
+               ewarn "This is NOT a recommended configuration as you"
+               ewarn "may face problems parsing any XML documents."
+       fi
+
+       if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+               einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+       fi
+
+       if [[ "$(gcc-major-version)" -ge 4 ]]; then
+               append-flags -fwrapv
+       fi
+
+       filter-flags -malign-double
+
+       # https://bugs.gentoo.org/show_bug.cgi?id=50309
+       if is-flagq -O3; then
+               is-flagq -fstack-protector-all && replace-flags -O3 -O2
+               use hardened && replace-flags -O3 -O2
+       fi
+
+       if tc-is-cross-compiler; then
+               # Force some tests that try to poke fs paths.
+               export ac_cv_file__dev_ptc=no
+               export ac_cv_file__dev_ptmx=yes
+       fi
+
+       # Export CXX so it ends up in /usr/lib/python2.X/config/Makefile.
+       tc-export CXX
+       # The configure script fails to use pkg-config correctly.
+       # http://bugs.python.org/issue15506
+       export ac_cv_path_PKG_CONFIG=$(tc-getPKG_CONFIG)
+
+       local dbmliborder
+       if use gdbm; then
+               dbmliborder+="${dbmliborder:+:}gdbm"
+       fi
+       if use berkdb; then
+               dbmliborder+="${dbmliborder:+:}bdb"
+       fi
+
+       local myeconfargs=(
+               # The check is broken on clang, and gives false positive:
+               # https://bugs.gentoo.org/596798
+               # (upstream dropped this flag in 3.2a4 anyway)
+               ac_cv_opt_olimit_ok=no
+               # glibc-2.30 removes it; since we can't cleanly force-rebuild
+               # Python on glibc upgrade, remove it proactively to give
+               # a chance for users rebuilding python before glibc
+               ac_cv_header_stropts_h=no
+
+               --with-fpectl
+               --enable-shared
+               $(use_enable ipv6)
+               $(use_with threads)
+               $(use wide-unicode && echo "--enable-unicode=ucs4" || echo 
"--enable-unicode=ucs2")
+               --infodir='${prefix}/share/info'
+               --mandir='${prefix}/share/man'
+               --with-computed-gotos
+               --with-dbmliborder="${dbmliborder}"
+               --with-libc=
+               --enable-loadable-sqlite-extensions
+               --with-system-expat
+               --with-system-ffi
+               --without-ensurepip
+       )
+
+       OPT="" econf "${myeconfargs[@]}"
+
+       if use threads && grep -q "#define POSIX_SEMAPHORES_NOT_ENABLED 1" 
pyconfig.h; then
+               eerror "configure has detected that the sem_open function is 
broken."
+               eerror "Please ensure that /dev/shm is mounted as a tmpfs with 
mode 1777."
+               die "Broken sem_open function (bug 496328)"
+       fi
+}
+
+src_compile() {
+       # Ensure sed works as expected
+       # https://bugs.gentoo.org/594768
+       local -x LC_ALL=C
+
+       # Avoid invoking pgen for cross-compiles.
+       touch Include/graminit.h Python/graminit.c
+
+       emake
+
+       # Work around bug 329499. See also bug 413751 and 457194.
+       if has_version dev-libs/libffi[pax_kernel]; then
+               pax-mark E python
+       else
+               pax-mark m python
+       fi
+}
+
+src_test() {
+       # Tests will not work when cross compiling.
+       if tc-is-cross-compiler; then
+               elog "Disabling tests due to crosscompiling."
+               return
+       fi
+
+       # Skip failing tests.
+       local skipped_tests="distutils gdb"
+
+       for test in ${skipped_tests}; do
+               mv "${S}"/Lib/test/test_${test}.py "${T}"
+       done
+
+       # bug 660358
+       local -x COLUMNS=80
+
+       # Daylight saving time problem
+       # https://bugs.python.org/issue22067
+       # https://bugs.gentoo.org/610628
+       local -x TZ=UTC
+
+       # Rerun failed tests in verbose mode (regrtest -w).
+       emake test EXTRATESTOPTS="-w" < /dev/tty
+       local result="$?"
+
+       for test in ${skipped_tests}; do
+               mv "${T}/test_${test}.py" "${S}"/Lib/test
+       done
+
+       elog "The following tests have been skipped:"
+       for test in ${skipped_tests}; do
+               elog "test_${test}.py"
+       done
+
+       elog "If you would like to run them, you may:"
+       elog "cd '${EPREFIX}/usr/$(get_libdir)/python${PYVER}/test'"
+       elog "and run the tests separately."
+
+       if [[ ${result} -ne 0 ]]; then
+               die "emake test failed"
+       fi
+}
+
+src_install() {
+       local libdir=${ED}/usr/$(get_libdir)/python${PYVER}
+
+       emake DESTDIR="${D}" altinstall
+
+       sed -e "s/\(LDFLAGS=\).*/\1/" -i "${libdir}/config/Makefile" || die
+
+       # Fix collisions between different slots of Python.
+       mv "${ED}/usr/bin/2to3" "${ED}/usr/bin/2to3-${PYVER}" || die
+       mv "${ED}/usr/bin/pydoc" "${ED}/usr/bin/pydoc${PYVER}" || die
+       mv "${ED}/usr/bin/idle" "${ED}/usr/bin/idle${PYVER}" || die
+       rm "${ED}/usr/bin/smtpd.py" || die
+
+       use berkdb || rm -r "${libdir}/"{bsddb,dbhash.py*,test/test_bsddb*} || 
die
+       use sqlite || rm -r "${libdir}/"{sqlite3,test/test_sqlite*} || die
+       use tk || rm -r "${ED}/usr/bin/idle${PYVER}" 
"${libdir}/"{idlelib,lib-tk} || die
+       use elibc_uclibc && rm -fr "${libdir}/"{bsddb/test,test}
+
+       use threads || rm -r "${libdir}/multiprocessing" || die
+       use wininst || rm "${libdir}/distutils/command/"wininst-*.exe || die
+
+       dodoc Misc/{ACKS,HISTORY,NEWS}
+
+       if use examples; then
+               docinto examples
+               dodoc -r Tools
+       fi
+       insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
+       local libname=$(printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' 
| \
+               emake --no-print-directory -s -f - 2>/dev/null)
+       newins "${S}"/Tools/gdb/libpython.py "${libname}"-gdb.py
+
+       newconfd "${FILESDIR}/pydoc.conf" pydoc-${PYVER}
+       newinitd "${FILESDIR}/pydoc.init" pydoc-${PYVER}
+       sed \
+               -e "s:@PYDOC_PORT_VARIABLE@:PYDOC${PYVER/./_}_PORT:" \
+               -e "s:@PYDOC@:pydoc${PYVER}:" \
+               -i "${ED}/etc/conf.d/pydoc-${PYVER}" \
+               "${ED}/etc/init.d/pydoc-${PYVER}" || die "sed failed"
+
+       local -x EPYTHON=python${PYVER}
+       # if not using a cross-compiler, use the fresh binary
+       if ! tc-is-cross-compiler; then
+               local -x PYTHON=./python
+               local -x 
LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}${PWD}
+       else
+               local -x PYTHON=${EPREFIX}/usr/bin/${EPYTHON}
+       fi
+
+       echo "EPYTHON='${EPYTHON}'" > epython.py || die
+       python_domodule epython.py
+
+       # python-exec wrapping support
+       local scriptdir=${D}$(python_get_scriptdir)
+       mkdir -p "${scriptdir}" || die
+       # python
+       ln -s "../../../bin/python${PYVER}" \
+               "${scriptdir}/python" || die
+       # python-config
+       ln -s "../../../bin/python${PYVER}-config" \
+               "${scriptdir}/python-config" || die
+       # 2to3, pydoc, pyvenv
+       ln -s "../../../bin/2to3-${PYVER}" \
+               "${scriptdir}/2to3" || die
+       ln -s "../../../bin/pydoc${PYVER}" \
+               "${scriptdir}/pydoc" || die
+       # idle
+       if use tk; then
+               ln -s "../../../bin/idle${PYVER}" \
+                       "${scriptdir}/idle" || die
+       fi
+
+       # python2* is no longer wrapped, so just symlink it
+       local pymajor=${PYVER%.*}
+       dosym "python${PYVER}" "/usr/bin/python${pymajor}"
+       dosym "python${PYVER}-config" "/usr/bin/python${pymajor}-config"
+}

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