123 lines
2.7 KiB
Bash
Executable File
123 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# /etc/init.d/x11-common: set up the X server and ICE socket directories
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### BEGIN INIT INFO
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# Provides: x11-common
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# Required-Start: $remote_fs
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# Required-Stop: $remote_fs
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# Default-Start: S
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# Default-Stop:
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# Short-Description: set up the X server and ICE socket directories
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### END INIT INFO
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set -e
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PATH=/usr/bin:/usr/sbin:/bin:/sbin
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SOCKET_DIR=.X11-unix
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ICE_DIR=.ICE-unix
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. /lib/lsb/init-functions
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if [ -f /etc/default/rcS ]; then
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. /etc/default/rcS
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fi
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do_restorecon () {
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# Restore file security context (SELinux).
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if which restorecon >/dev/null 2>&1; then
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restorecon "$1"
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fi
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}
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# create a directory in /tmp.
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# assumes /tmp has a sticky bit set (or is only writeable by root)
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set_up_dir () {
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DIR="/tmp/$1"
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if [ "$VERBOSE" != no ]; then
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log_progress_msg "$DIR"
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fi
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# if $DIR exists and isn't a directory, move it aside
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if [ -e $DIR ] && ! [ -d $DIR ] || [ -h $DIR ]; then
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mv "$DIR" "$(mktemp -d $DIR.XXXXXX)"
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fi
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error=0
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while :; do
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if [ $error -ne 0 ] ; then
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# an error means the file-system is readonly or an attacker
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# is doing evil things, distinguish by creating a temporary file,
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# but give up after a while.
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if [ $error -gt 5 ]; then
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log_failure_msg "failed to set up $DIR"
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return 1
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fi
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fn="$(mktemp /tmp/testwriteable.XXXXXXXXXX)" || return 1
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rm "$fn"
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fi
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mkdir -p -m 01777 "$DIR" || { rm "$DIR" || error=$((error + 1)) ; continue ; }
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case "$(LC_ALL=C stat -c '%u %g %a %F' "$DIR")" in
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"0 0 1777 directory")
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# everything as it is supposed to be
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break
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;;
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"0 0 "*" directory")
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# as it is owned by root, cannot be replaced with a symlink:
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chmod 01777 "$DIR"
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break
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;;
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*" directory")
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# if the chown succeeds, the next step can change it savely
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chown -h root:root "$DIR" || error=$((error + 1))
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continue
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;;
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*)
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log_failure_msg "failed to set up $DIR"
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return 1
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;;
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esac
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done
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do_restorecon "$DIR"
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return 0
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}
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do_status () {
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if [ -d "/tmp/$ICE_DIR" ] && [ -d "/tmp/$SOCKET_DIR" ]; then
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return 0
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else
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return 4
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fi
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}
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case "$1" in
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start)
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if [ "$VERBOSE" != no ]; then
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log_begin_msg "Setting up X socket directories..."
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fi
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set_up_dir "$SOCKET_DIR"
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set_up_dir "$ICE_DIR"
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if [ "$VERBOSE" != no ]; then
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log_end_msg 0
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fi
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;;
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restart|reload|force-reload)
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/etc/init.d/x11-common start
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;;
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stop)
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:
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;;
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status)
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do_status
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;;
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*)
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log_success_msg "Usage: /etc/init.d/x11-common {start|stop|status|restart|reload|force-reload}"
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exit 1
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;;
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esac
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exit 0
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# vim:set ai et sts=2 sw=2 tw=0:
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