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#!/bin/sh
#@PydevCodeAnalysisIgnore
find_ld_linux() {
arch=$(uname -m)
if [ $arch = "x86_64" ]; then
LD_LINUX='/lib64/ld-linux-x86-64.so.2'
elif [ $arch = "i386" ]; then
LD_LINUX='/lib/ld-linux.so.2'
elif [ $arch = "i486" ]; then
LD_LINUX='/lib/ld-linux.so.2'
elif [ $arch = "i586" ]; then
LD_LINUX='/lib/ld-linux.so.2'
elif [ $arch = "i686" ]; then
LD_LINUX='/lib/ld-linux.so.2'
elif [ $arch = "armel" ]; then
LD_LINUX='/lib/ld-linux.so.3'
elif [ $arch = "armhfp" ]; then
LD_LINUX='/lib/ld-linux.so.3'
elif [ $arch = "armhf" ]; then
LD_LINUX='/lib/ld-linux-armhf.so.3'
elif [ $arch = "ppc64" ]; then
LD_LINUX='/lib64/ld64.so.1'
elif [ $arch = "s390x" ]; then
LD_LINUX='/lib64/ld64.so.1'
else
#suitable for: powerpc/ppc, mips/mipsel, s390 and others:
LD_LINUX='/lib/ld.so.1'
fi
if [ ! -x "$LD_LINUX" ]; then
# Musl C / Alpine Linux
ldmusl=$(ls /lib | grep ^ld-musl)
if [ -n "$ldmusl" ]; then
LD_LINUX="/lib/$ldmusl"
else
LD_LINUX=''
echo "could not determine ld path for $arch, please file an xpra bug"
fi
fi
}
if [ -x "/usr/libexec/Xorg" ]; then
#Fedora 22+ workaround where /usr/bin/Xorg is not suid
#because it is a script, which calls /usr/libexec/Xorg.wrap
#which is setuid, and which eventually calls this one:
XORG_BIN="/usr/libexec/Xorg"
elif [ -x "/usr/libexec/Xorg.bin" ]; then
#Fedora 21 workaround where /usr/bin/Xorg is not suid
#because it is a script, which calls /usr/libexec/Xorg.wrap
#which is setuid, and which eventually calls this one:
XORG_BIN="/usr/libexec/Xorg.bin"
elif [ -x "/usr/lib/xorg-server/Xorg" ]; then
#Arch Linux:
exec "/usr/lib/xorg-server/Xorg" "$@"
elif [ -x "/usr/lib/Xorg" ]; then
#Arch Linux (new 2019):
exec "/usr/lib/Xorg" "$@"
elif [ -x "/usr/lib/xorg/Xorg" ]; then
#Ubuntu 16.10:
exec "/usr/lib/xorg/Xorg" "$@"
else
XORG_BIN=$(which Xorg)
fi
if [ ! -x "$XORG_BIN" ]; then
echo "failed to locate Xorg binary to run"
exit 1
fi
if [ -u "$XORG_BIN" ]; then
# setuid is set, we need to do magic
find_ld_linux
if [ -n "$LD_LINUX" ]; then
if [ -n "$BASH" ]; then
#running in bash, can show a more helpful command name:
exec -a "Xorg-nosuid" "$LD_LINUX" "$XORG_BIN" "$@"
else
exec "$LD_LINUX" "$XORG_BIN" "$@"
fi
else
#fallback to making a copy of the binary:
DOTXPRA_DIR="$HOME/.xpra"
if [ ! -d "$DOTXPRA_DIR" ]; then
mkdir "$DOTXPRA_DIR"
chmod 700 "$DOTXPRA_DIR"
fi
NOSUID_XORG="$DOTXPRA_DIR/Xorg-nosuid"
cp -f "$XORG_BIN" "$NOSUID_XORG"
exec "$NOSUID_XORG" "$@"
fi
else
# setuid is not set on xorg_bin
exec "$XORG_BIN" "$@"
fi
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