140 lines
7.8 KiB
Plaintext
140 lines
7.8 KiB
Plaintext
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#!/sbin/runscript
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# Copyright 1999-2014 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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# enable automatic i386/ARM/M68K/MIPS/SPARC/PPC/s390 program execution by the kernel
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# Defaulting to OC should be safe because it comes down to:
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# - do we trust the interp itself to not be malicious? yes; we built it.
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# - do we trust the programs we're running? ish; same permission as native
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# binaries apply. so if user can do bad stuff natively, cross isn't worse.
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: ${QEMU_BINFMT_FLAGS:=OC}
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depend() {
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after procfs
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}
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start() {
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ebegin "Registering qemu-user binaries (flags: ${QEMU_BINFMT_FLAGS})"
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if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
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modprobe -q binfmt_misc
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fi
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if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
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eend $? "You need support for 'misc binaries' in your kernel!" || return
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fi
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if [ ! -f /proc/sys/fs/binfmt_misc/register ] ; then
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mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc >/dev/null 2>&1
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eend $? || return
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fi
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# probe cpu type
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cpu=`uname -m`
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case "$cpu" in
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i386|i486|i586|i686|i86pc|BePC|x86_64)
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cpu="i386"
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;;
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m68k)
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cpu="m68k"
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;;
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mips*)
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cpu="mips"
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;;
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"Power Macintosh"|ppc|ppc64)
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cpu="ppc"
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;;
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armv[4-9]*)
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cpu="arm"
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;;
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sparc*)
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cpu="sparc"
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;;
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esac
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# register the interpreter for each cpu except for the native one
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if [ $cpu != "i386" -a -x "/usr/bin/qemu-i386" ] ; then
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echo ':i386:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-i386:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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echo ':i486:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-i386:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "alpha" -a -x "/usr/bin/qemu-alpha" ] ; then
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echo ':alpha:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-alpha:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "arm" -a -x "/usr/bin/qemu-arm" ] ; then
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echo ':arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x00\xff\xfe\xff\xff\xff:/usr/bin/qemu-arm:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "arm" -a -x "/usr/bin/qemu-armeb" ] ; then
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echo ':armeb:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-armeb:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "aarch64" -a -x "/usr/bin/qemu-aarch64" ] ; then
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echo ':aarch64:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-aarch64:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "sparc" -a -x "/usr/bin/qemu-sparc" ] ; then
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echo ':sparc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-sparc:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "ppc" -a -x "/usr/bin/qemu-ppc" ] ; then
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echo ':ppc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-ppc:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "m68k" -a -x "/usr/bin/qemu-m68k" ] ; then
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#echo 'Please check cpu value and header information for m68k!'
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echo ':m68k:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-m68k:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mips" ] ; then
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# FIXME: We could use the other endianness on a MIPS host.
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echo ':mips:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-mips:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mipsel" ] ; then
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echo ':mipsel:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-mipsel:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mipsn32" ] ; then
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echo ':mipsn32:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-mipsn32:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mipsn32el" ] ; then
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echo ':mipsn32el:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-mipsn32el:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mips64" ] ; then
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echo ':mips64:M::\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-mips64:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "mips" -a -x "/usr/bin/qemu-mips64el" ] ; then
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echo ':mips64el:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-mips64el:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "sh" -a -x "/usr/bin/qemu-sh4" ] ; then
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echo ':sh4:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-sh4:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "sh" -a -x "/usr/bin/qemu-sh4eb" ] ; then
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echo ':sh4eb:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-sh4eb:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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if [ $cpu != "s390x" -a -x "/usr/bin/qemu-s390x" ] ; then
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echo ':s390x:M::\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x16:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/bin/qemu-s390x:'"${QEMU_BINFMT_FLAGS}" > /proc/sys/fs/binfmt_misc/register
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fi
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eend $?
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}
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stop() {
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ebegin "Unregistering qemu-user binaries"
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local arches
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arches="${arches} i386 i486"
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arches="${arches} alpha"
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arches="${arches} arm armeb"
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arches="${arches} aarch64"
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arches="${arches} sparc"
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arches="${arches} ppc"
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arches="${arches} m68k"
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arches="${arches} mips mipsel mipsn32 mipsn32el mips64 mips64el"
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arches="${arches} sh4 sh4eb"
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arches="${arches} s390x"
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for a in ${arches}; do
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if [ -f /proc/sys/fs/binfmt_misc/$a ] ; then
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echo '-1' > /proc/sys/fs/binfmt_misc/$a
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fi
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done
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eend $?
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}
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# vim: ts=4 :
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