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="encswap"
  13 start_cmd="encswap_attach"
  14 stop_cmd="encswap_detach"
  15
  16 encswap_attach()
  17 {
  18         while read device mountpoint type options rest ; do
  19                 case ":${device}:${type}:${options}" in
  20                 :#*)
  21                         continue
  22                         ;;
  23                 *.bde:swap:sw)
  24                         passphrase=`dd if=/dev/random count=1 2>/dev/null | md5 -q`
  25                         device="${device%.bde}"
  26                         gbde init "${device}" -P "${passphrase}" || return 1
  27                         gbde attach "${device}" -p "${passphrase}" || return 1
  28                         ;;
  29                 *.eli:swap:sw)
  30                         device="${device%.eli}"
  31                         geli onetime ${geli_swap_flags} "${device}" || return 1
  32                         ;;
  33                 esac
  34         done < /etc/fstab
  35 }
  36
  37 encswap_detach()
  38 {
  39         while read device mountpoint type options rest ; do
  40                 case ":${device}:${type}:${options}" in
  41                 :#*)
  42                         continue
  43                         ;;
  44                 *.bde:swap:sw)
  45                         device="${device%.bde}"
  46                         gbde detach "${device}"
  47                         ;;
  48                 *.eli:swap:sw)
  49                         # Nothing here, because geli swap devices should be
  50                         # created with the auto-detach-on-last-close option.
  51                         ;;
  52                 esac
  53         done < /etc/fstab
  54 }
  55
  56 load_rc_config $name
  57 run_rc_command "$1"