etc/rc.d/perusertmp

   1 #!/bin/sh
   2 #
   3 # $NetBSD: perusertmp,v 1.6 2007/02/15 13:27:35 tron Exp $
   4 #
   5
   6 # PROVIDE: perusertmp
   7 # REQUIRE: mountall
   8 # BEFORE:  cleartmp
   9
  10 $_rc_subr_loaded . /etc/rc.subr
  11
  12 name="perusertmp"
  13 rcvar="per_user_tmp"
  14 start_cmd="perusertmp_start"
  15 stop_cmd=":"
  16
  17 perusertmp_start()
  18 {
  19         echo "Preparing per-user /tmp."
  20
  21         # If /tmp is a mount point, we can't do anything.
  22         if [ -d "/tmp" ]; then
  23                 local mount_point
  24
  25                 mount_point=$(cd /tmp && /bin/df . | /usr/bin/tail -1 | /usr/bin/awk '{print $6}')
  26                 if [ "${mount_point}" = "/tmp" ]; then
  27                         echo "WARNING: /tmp is mounted."
  28                         exit 1
  29                 fi
  30         fi
  31
  32         # Enable magic symlinks.
  33         /sbin/sysctl -qw vfs.generic.magiclinks=1
  34
  35         # Fixup real temporary directory.
  36         if [ ! -d ${per_user_tmp_dir} ]; then
  37                 /bin/mkdir -p ${per_user_tmp_dir}
  38         fi
  39         /usr/sbin/chown root:wheel ${per_user_tmp_dir}
  40         /bin/chmod 0555 ${per_user_tmp_dir}
  41
  42         # Create magic link for /tmp.
  43         if [ "$(/usr/bin/readlink /tmp)" != ${per_user_tmp_dir}/@ruid ]; then
  44                 /bin/rm -rf /tmp
  45                 /bin/ln -s ${per_user_tmp_dir}/@ruid /tmp
  46         fi
  47 }
  48
  49 load_rc_config $name
  50 run_rc_command "$1"