dev-lang/python: Backport two more secfixes from 3.6 to 2.7.18

Bug: https://bugs.gentoo.org/741502
Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 367 insertions, 0 deletions

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index 76cb3c765998..cb94a5e0ee44 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -7,6 +7,7 @@ DIST Python-3.8.4.tar.xz 18020412 BLAKE2B cfcfb293c413b25fc3ca48116cf8ffaba7bee1
 DIST Python-3.8.5.tar.xz 18019640 BLAKE2B bb3e0566afe28759e4ab129ad0986a0fc5103514f2e2b22ff4aa3973c3173ebdd24d4267fbaf903841814a611fd9ea122673e5a1918934366e5c0efaef9d7517 SHA512 460cee65d7df7150694590575502d7f22e548ebfc99c8f8b363eef8bf30ee72e58d8ffacb1d607824f877f880eb9fd6775a508388029583e1e1df3380f3f9587
 DIST Python-3.9.0rc1.tar.xz 18798364 BLAKE2B 2ebf669720bcc057f7e1056aca6ff42686a8e567a5ea10304f19e53ae80ba6ba60b9157ae401427be4afa1ec296d97bb81a2b55c60a4df3dba39ae545484e0fc SHA512 8fddf940600bdd4096c0144f689fb9e803bdc7a1ee00f46ccfde3566342ed465c7ac6806613e4f61440fb65f8f83057204bd0dc432ac379759cd4d410c151eef
 DIST python-gentoo-patches-2.7.18-r1.tar.xz 15500 BLAKE2B 7008b29827dbbd80d4ab8f010ccf9efced99c6b4b9109e4430c0ba269ce53529cb6fedd832502c8d2d3aa21938749cc3591c2545b21c0a59a6e60f8598e84ccc SHA512 e656ab07281fd932b92165674619bbf55ecf410d2937ae4ae771d490b4532540498cc731d30d19c1e8aafd1f64df8a406bbfbb46ea985b3dcd8edb89a0b7f20f
+DIST python-gentoo-patches-2.7.18-r2.tar.xz 18820 BLAKE2B 0855ca0d76b0027caab7a1655f7e13117eabd24bcb308419624d39265b1cbfb24783571bd64eccac88345bb5b6c98470de74564924a62d66124bca0f0405f211 SHA512 ce478125602b2c9a2142469de6b434e4e4be0fefcea685a9618dd8129a9f1cfea1a4244bec5991aedc0f73b5d5379cfae62241819af9bbd97e8d0439b97bb04a
 DIST python-gentoo-patches-3.6.11-r3.tar.xz 14064 BLAKE2B 416780c15ee12cfc06bfd1397d510dd42fea61abcaafd9cf54f27d843342debf0caa93c9700686feb14f04239ad4ea8f20ce8736029638abe7d7b9c57b9d659d SHA512 de6a4a5bec89e6149b85b383991c99bd9460a8f59f52a700d54edd0154557727ccc79daaa90336dff434b222657c3f28dda1228d2d474002d0a28f31c9ed0b10
 DIST python-gentoo-patches-3.6.12.tar.xz 11448 BLAKE2B a7fb7153ca6fd353649f9dc23f2d777e84ff144d67984d8c3d292619a4f671e3a71d8022bcc334b55f9f1f416ceeca113fb116da805e4bc45d8a67cbc098ead8 SHA512 7efb97abd3e058e4532b89205c99794836ba094079de2a6d7846fd2673ea8cc31e68573b83fd9f82453151653fb0ed9bc40b7961b41efdfe703b64cbed2576bf
 DIST python-gentoo-patches-3.7.8-r3.tar.xz 13232 BLAKE2B 9df47b1f61d08f62a80221bc48d73ec27cd74a9ade8219912c5b02eaea919b70d91b1154837cd03c0129a5839186e9c970167ca3398129c044c25c7853f1f920 SHA512 e1477d425cb6125ca2286d816f4aa4e9e3c789d6a4f4907bd7b78549598356cae5766f642e2cad9e7c3abe2e82c12cf3cb7db3513be68aa213cb64cc0abc678a
diff --git a/dev-lang/python/python-2.7.18-r2.ebuild b/dev-lang/python/python-2.7.18-r2.ebuild
new file mode 100644
index 000000000000..918fc1895442
--- /dev/null
+++ b/dev-lang/python/python-2.7.18-r2.ebuild
@@ -0,0 +1,366 @@
+# Copyright 1999-2020 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
+
+MY_P="Python-${PV}"
+PYVER=$(ver_cut 1-2)
+PATCHSET="python-gentoo-patches-2.7.18-r2"
+
+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/${PATCHSET}.tar.xz"
+S="${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="${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	virtual/pkgconfig
+	!sys-devel/gcc[libffi(-)]"
+RDEPEND+=" !build? ( app-misc/mime-types )"
+PDEPEND=">=app-eselect/eselect-python-20140125-r1"
+
+pkg_setup() {
+	if use berkdb; then
+		ewarn "'bsddb' module is out-of-date and no longer maintained inside"
+		ewarn "dev-lang/python. 'bsddb' and 'dbhash' modules have been additionally"
+		ewarn "removed in Python 3. A maintained alternative of 'bsddb3' module"
+		ewarn "is provided by dev-python/bsddb3."
+	else
+		if has_version "=${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_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=$(tc-getPKG_CONFIG)
+
+	# Set LDFLAGS so we link modules with -lpython2.7 correctly.
+	# Needed on FreeBSD unless Python 2.7 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${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 pymajor=${PYVER%.*}
+	local scriptdir=${D}$(python_get_scriptdir)
+	mkdir -p "${scriptdir}" || die
+	# python and pythonX
+	ln -s "../../../bin/python${PYVER}" \
+		"${scriptdir}/python${pymajor}" || die
+	ln -s "python${pymajor}" "${scriptdir}/python" || die
+	# python-config and pythonX-config
+	ln -s "../../../bin/python${PYVER}-config" \
+		"${scriptdir}/python${pymajor}-config" || die
+	ln -s "python${pymajor}-config" \
+		"${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
+}
+
+eselect_python_update() {
+	if [[ -z "$(eselect python show)" || \
+			! -f "${EROOT}/usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || \
+			! -f "${EROOT}/usr/bin/$(eselect python show --python${PV%%.*})" ]]
+	then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+}
+
+pkg_postrm() {
+	eselect_python_update
+}