etc/rc.d/encswap

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: disks
   7 # REQUIRE: initrandom
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11
  12 name="gbde_swap"
  13 start_cmd="gbde_swap_attach"
  14 stop_cmd="gbde_swap_detach"
  15
  16 gbde_swap_attach()
  17 {
  18         while read device mountpoint type options rest ; do
  19                 case ":${device}:${type}:${options}" in
  20                 :#*)
  21                         continue
  22                         ;;
  23                 *.bde:swap:sw)
  24                         ;;
  25                 *)
  26                         continue
  27                         ;;
  28                 esac
  29                 passphrase=`dd if=/dev/random count=1 2>/dev/null | md5 -q`
  30                 device="${device%.bde}"
  31                 gbde init "${device}" -P "${passphrase}" || return 1
  32                 gbde attach "${device}" -p "${passphrase}" || return 1
  33         done < /etc/fstab
  34 }
  35
  36 gbde_swap_detach()
  37 {
  38         while read device mountpoint type options rest ; do
  39                 case ":${device}:${type}:${options}" in
  40                 :#*)
  41                         continue
  42                         ;;
  43                 *.bde:swap:sw)
  44                         ;;
  45                 *)
  46                         continue
  47                         ;;
  48                 esac
  49                 device="${device%.bde}"
  50                 gbde detach "${device}"
  51         done < /etc/fstab
  52 }
  53
  54 load_rc_config $name
  55 run_rc_command "$1"