games-arcade/supertux: Fix CVE-2022-30292

For 0.6.3 we need to patch the bundled squirrel copy, in next upstream
versions it should be possible to finally build it against system copy.

Bug: https://bugs.gentoo.org/843008
Signed-off-by: Pacho Ramos <pacho@gentoo.org>

2 files changed, 84 insertions, 0 deletions

diff --git a/games-arcade/supertux/files/supertux-0.6.3-squirrel-CVE-2022-30292.patch b/games-arcade/supertux/files/supertux-0.6.3-squirrel-CVE-2022-30292.patch
new file mode 100644
index 000000000000..0a605616d606
--- /dev/null
+++ b/games-arcade/supertux/files/supertux-0.6.3-squirrel-CVE-2022-30292.patch
@@ -0,0 +1,21 @@
+From a6413aa690e0bdfef648c68693349a7b878fe60d Mon Sep 17 00:00:00 2001
+From: Alberto Demichelis <albertodemichelis@hotmail.com>
+Date: Mon, 2 May 2022 12:04:58 +0200
+Subject: [PATCH] fix in thread.call
+
+---
+ squirrel/sqbaselib.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/external/squirrel/squirrel/sqbaselib.cpp b/external/squirrel/squirrel/sqbaselib.cpp
+index 8eff97c..5055f18 100644
+--- a/external/squirrel/squirrel/sqbaselib.cpp
++++ b/external/squirrel/squirrel/sqbaselib.cpp
+@@ -1149,6 +1149,7 @@ static SQInteger thread_call(HSQUIRRELVM v)
+     SQObjectPtr o = stack_get(v,1);
+     if(sq_type(o) == OT_THREAD) {
+         SQInteger nparams = sq_gettop(v);
++        sq_reservestack(_thread(o), nparams + 3);
+         _thread(o)->Push(_thread(o)->_roottable);
+         for(SQInteger i = 2; i<(nparams+1); i++)
+             sq_move(_thread(o),v,i);
diff --git a/games-arcade/supertux/supertux-0.6.3-r1.ebuild b/games-arcade/supertux/supertux-0.6.3-r1.ebuild
new file mode 100644
index 000000000000..e670bfd6f25a
--- /dev/null
+++ b/games-arcade/supertux/supertux-0.6.3-r1.ebuild
@@ -0,0 +1,63 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+#: ${CMAKE_MAKEFILE_GENERATOR:=emake}
+inherit cmake
+
+MY_PV="${PV/_rc/-rc.}"
+MY_P="SuperTux-v${MY_PV}-Source"
+
+DESCRIPTION="A game similar to Super Mario Bros"
+HOMEPAGE="https://www.supertux.org"
+SRC_URI="https://github.com/SuperTux/${PN}/releases/download/v${MY_PV}/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="GPL-2+ GPL-3+ ZLIB MIT CC-BY-SA-2.0 CC-BY-SA-3.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="debug"
+
+# =media-libs/libsdl2-2.0.14-r0 can cause supertux binary to move entire
+# content of ${HOME} to ${HOME}/.local/share/supertux2/
+# DO NOT REMOVE THIS BLOCKER!!! See bug #764959
+RDEPEND="
+	!=media-libs/libsdl2-2.0.14-r0
+	>=dev-games/physfs-3.0
+	dev-libs/boost:=[nls]
+	media-libs/freetype
+	media-libs/glew:=
+	media-libs/libpng:0=
+	>=media-libs/libsdl2-2.0.1[joystick,video]
+	media-libs/libvorbis
+	media-libs/openal
+	>=media-libs/sdl2-image-2.0.0[png,jpeg]
+	>=net-misc/curl-7.21.7
+	virtual/opengl
+"
+DEPEND="${RDEPEND}
+	media-libs/glm"
+BDEPEND="
+	virtual/pkgconfig
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.5.0-tinygettext.patch
+	"${FILESDIR}"/${PN}-0.6.0-{license,icon,obstack}.patch
+	"${FILESDIR}"/${PN}-0.6.3-missing-include.patch
+	"${FILESDIR}"/${PN}-0.6.3-squirrel-CVE-2022-30292.patch
+)
+
+src_configure() {
+	local mycmakeargs=(
+		-DWERROR=OFF
+		-DINSTALL_SUBDIR_BIN=bin
+		-DINSTALL_SUBDIR_DOC=share/doc/${PF}
+		-DINSTALL_SUBDIR_SHARE=share/${PN}2
+		-DENABLE_SQDBG="$(usex debug)"
+		-DUSE_SYSTEM_PHYSFS=ON
+		-DIS_SUPERTUX_RELEASE=ON
+	)
+	cmake_src_configure
+}