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Text File  |  2009-10-05  |  1.8 KB  |  60 lines
  1. #!/bin/bash
  2.  
  3. # Copyright (C) 2005 W. Michael Petullo <mike@flyn.org>
  4. # Copyright (C) 2006 David Zeuthen <davidz@redhat.com>
  5. # 
  6. # This program is free software; you can redistribute it and/or modify
  7. # it under the terms of the GNU General Public License version 2.
  8.  
  9. . hal-functions
  10.  
  11. locked_out() {
  12.     echo "org.freedesktop.Hal.Device.InterfaceLocked" >&2
  13.     echo "Enclosing drive/volume is locked" >&2
  14.     exit 1
  15. }
  16.  
  17. unknown_error() {
  18.         echo "org.freedesktop.Hal.Device.UnknownError" >&2
  19.         echo "Missing or empty environment variable(s)." >&2
  20.         echo "This script should be started by hald." >&2
  21.         exit 1
  22. }
  23.  
  24. # Check for environment variables
  25. if [ -z "$HAL_PROP_BLOCK_DEVICE" ] || [ -z "$HAL_PROP_INFO_UDI" ] || [ -z "$HAL_PROP_VOLUME_UUID" ] ; then
  26.     unknown_error
  27. fi
  28.  
  29. # Respect the same locks as Mount()/Unmount() etc.
  30. if [ -n "$HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME" ] ; then
  31.     hal-is-caller-locked-out --udi $HAL_PROP_INFO_UDI \
  32.         --interface org.freedesktop.Hal.Device.Volume \
  33.         --caller "$HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME"
  34.     RET=$?
  35.     if [ "$RET" != "0" ] ; then
  36.         locked_out
  37.     fi
  38.     hal-is-caller-locked-out --udi $HAL_PROP_BLOCK_STORAGE_DEVICE \
  39.         --interface org.freedesktop.Hal.Device.Storage \
  40.         --caller "$HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME"
  41.     RET=$?
  42.     if [ "$RET" != "0" ] ; then
  43.         locked_out
  44.     fi
  45. fi
  46.  
  47. # TODO: this is a little sketchy; we should check for hal-storage-crypto-teardown-others?
  48. #
  49. IS_HOTPLUGGABLE=`hal-get-property --udi $HAL_PROP_BLOCK_STORAGE_DEVICE --key storage.hotpluggable`
  50. if [ "$IS_HOTPLUGGABLE" == "true" ] ; then
  51.     ACTION="org.freedesktop.hal.storage.crypto-setup-removable"
  52. elif [ "$IS_HOTPLUGGABLE" == "false" ] ; then
  53.     ACTION="org.freedesktop.hal.storage.crypto-setup-fixed"
  54. else
  55.     unknown_error
  56. fi
  57.  
  58. hal_check_priv $ACTION
  59. hal_exec_backend
  60.