#!/bin/sh
#
# This is just a sample implementation of a slightly less primitive
# interface than xinit. It looks for user .xinitrc and .xserverrc
# files, then system xinitrc and xserverrc files, else lets xinit choose
# its default. The system xinitrc should probably do things like check
# for .Xresources files and merge them in, start up a window manager,
# and pop a clock and several xterms.
#
# Site administrators are STRONGLY urged to write nicer versions.
#
unset DBUS_SESSION_BUS_ADDRESS
unset SESSION_MANAGER
userclientrc=$HOME/.xinitrc
sysclientrc=/etc/X11/xinit/xinitrc
userserverrc=$HOME/.xserverrc
sysserverrc=/etc/X11/xinit/xserverrc
defaultclient=/usr/bin/xterm
defaultserver=/usr/bin/X
defaultclientargs=""
defaultserverargs=""
defaultdisplay=""
clientargs=""
serverargs=""
vtarg=""
enable_xauth=1
# Automatically determine an unused $DISPLAY
d=0
while true ; do
[ -e "/tmp/.X$d-lock" -o -S "/tmp/.X11-unix/X$d" ] || break
d=$(($d + 1))
done
defaultdisplay=":$d"
unset d
whoseargs="client"
while [ x"$1" != x ]; do
case "$1" in
# '' required to prevent cpp from treating "/*" as a C comment.
/''*|\./''*)
if [ "$whoseargs" = "client" ]; then
if [ x"$client" = x ] && [ x"$clientargs" = x ]; then
client="$1"
else
clientargs="$clientargs $1"
fi
else
if [ x"$server" = x ] && [ x"$serverargs" = x ]; then
server="$1"
else
serverargs="$serverargs $1"
fi
fi
;;
--)
whoseargs="server"
;;
*)
if [ "$whoseargs" = "client" ]; then
clientargs="$clientargs $1"
else
# display must be the FIRST server argument
if [ x"$serverargs" = x ] && \
expr "$1" : ':[0-9][0-9]*$' > /dev/null 2>&1; then
display="$1"
else
serverargs="$serverargs $1"
fi
fi
;;
esac
shift
done
# process client arguments
if [ x"$client" = x ]; then
client=$defaultclient
# For compatibility reasons, only use startxrc if there were no client command line arguments
if [ x"$clientargs" = x ]; then
if [ -f "$userclientrc" ]; then
client=$userclientrc
elif [ -f "$sysclientrc" ]; then
client=$sysclientrc
fi
fi
fi
# if no client arguments, use defaults
if [ x"$clientargs" = x ]; then
clientargs=$defaultclientargs
fi
# process server arguments
if [ x"$server" = x ]; then
server=$defaultserver
# When starting the defaultserver start X on the current tty to avoid
# the startx session being seen as inactive:
# "https://bugzilla.redhat.com/show_bug.cgi?id=806491"
tty=$(tty)
if expr "$tty" : '/dev/tty[0-9][0-9]*$' > /dev/null; then
tty_num=$(echo "$tty" | grep -oE '[0-9]+$')
vtarg="vt$tty_num -keeptty"
fi
# For compatibility reasons, only use xserverrc if there were no server command line arguments
if [ x"$serverargs" = x -a x"$display" = x ]; then
if [ -f "$userserverrc" ]; then
server=$userserverrc
elif [ -f "$sysserverrc" ]; then
server=$sysserverrc
fi
fi
fi
# if no server arguments, use defaults
if [ x"$serverargs" = x ]; then
serverargs=$defaultserverargs
fi
# if no vt is specified add vtarg (which may be empty)
have_vtarg="no"
for i in $serverargs; do
if expr "$i" : 'vt[0-9][0-9]*$' > /dev/null; then
have_vtarg="yes"
fi
done
if [ "$have_vtarg" = "no" ]; then
serverargs="$serverargs $vtarg"
fi
# if no display, use default
if [ x"$display" = x ]; then
display=$defaultdisplay
fi
if [ x"$enable_xauth" = x1 ] ; then
if [ x"$XAUTHORITY" = x ]; then
XAUTHORITY=$HOME/.Xauthority
export XAUTHORITY
fi
removelist=
# set up default Xauth info for this machine
# check for GNU hostname
if hostname --version > /dev/null 2>&1; then
if [ -z "`hostname --version 2>&1 | grep GNU`" ]; then
hostname=`hostname -f`
fi
fi
if [ -z "$hostname" ]; then
hostname=`hostname`
fi
authdisplay=${display:-:0}
mcookie=`/usr/bin/mcookie`
if test x"$mcookie" = x; then
echo "Couldn't create cookie"
exit 1
fi
dummy=0
# create a file with auth information for the server. ':0' is a dummy.
xserverauthfile=`mktemp --tmpdir serverauth.XXXXXXXXXX`
trap "rm -f '$xserverauthfile'" HUP INT QUIT ILL TRAP KILL BUS TERM
xauth -q -f "$xserverauthfile" << EOF
add :$dummy . $mcookie
EOF
serverargs=${serverargs}" -auth "${xserverauthfile}
# now add the same credentials to the client authority file
# if '$displayname' already exists do not overwrite it as another
# server may need it. Add them to the '$xserverauthfile' instead.
for displayname in $authdisplay $hostname$authdisplay; do
authcookie=`xauth list "$displayname" \
| sed -n "s/.*$displayname[[:space:]*].*[[:space:]*]//p"` 2>/dev/null;
if [ "z${authcookie}" = "z" ] ; then
xauth -q << EOF
add $displayname . $mcookie
EOF
removelist="$displayname $removelist"
else
dummy=$(($dummy+1));
xauth -q -f "$xserverauthfile" << EOF
add :$dummy . $authcookie
EOF
fi
done
fi
xinit "$client" $clientargs -- "$server" $display $serverargs
retval=$?
if [ x"$enable_xauth" = x1 ] ; then
if [ x"$removelist" != x ]; then
xauth remove $removelist
fi
if [ x"$xserverauthfile" != x ]; then
rm -f "$xserverauthfile"
fi
fi
if command -v deallocvt > /dev/null 2>&1; then
deallocvt
fi
exit $retval
Mini Shell