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Text File  |  2010-05-09  |  2KB  |  51 lines
  1. # -*-Shell-script-*-
  2. #
  3. # hal-functions         This file contains functions to be used by most or all
  4. #                       hal shell scripts
  5.  
  6. hal_check_priv() {
  7.     if [ "$HAVE_POLKIT" = "1" -a -n $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME ]; then
  8.         local ACTION
  9.         local PK_RESULT
  10.         local RET
  11.         ACTION=$1
  12.         PK_RESULT=`hal-is-caller-privileged --udi $UDI --action $ACTION \
  13.             --caller $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME`
  14.         RET=$?
  15.         if [ "$RET" != "0" ]; then
  16.             echo "org.freedesktop.Hal.Device.Error" >&2
  17.             echo "Cannot determine if caller is privileged" >&2
  18.             exit 1
  19.         fi
  20.         if [ "$PK_RESULT" != "yes" ] ;then
  21.             echo "org.freedesktop.Hal.Device.PermissionDeniedByPolicy" >&2
  22.             echo "$ACTION $PK_RESULT <-- (action, result)" >&2
  23.             exit 1
  24.         fi
  25.     fi
  26. }
  27.  
  28. hal_call_backend() {
  29.     local PROGRAM
  30.     PROGRAM=$(basename $0)
  31.     if [ -n "$HALD_UNAME_S" -a -x ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S ]; then
  32.         ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S $@
  33.     else
  34.         echo "org.freedesktop.Hal.Device.UnknownError" >&2
  35.         echo "No back-end for your operating system" >&2
  36.         exit 1
  37.     fi
  38. }
  39.  
  40. hal_exec_backend() {
  41.     local PROGRAM
  42.     PROGRAM=$(basename $0)
  43.     if [ -n "$HALD_UNAME_S" -a -x ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S ]; then
  44.         exec ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S $@
  45.     else
  46.         echo "org.freedesktop.Hal.Device.UnknownError" >&2
  47.         echo "No back-end for your operating system" >&2
  48.         exit 1
  49.     fi
  50. }
  51.