usr/src/cmd/hal/tools/hal-functions.sh

   1 # -*-Shell-script-*-
   2 #
   3 # hal-functions.sh:     This file contains functions to be used by most or all
   4 #                       hal shell scripts
   5 # hal-system-lcd-get-brightness.sh
   6 #
   7 # Licensed under the Academic Free License version 2.1
   8 #
   9
  10 hal_check_priv() {
  11     if [ "$HAVE_POLKIT" = "1" -a -n $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME ]; then
  12         ACTION=$1
  13         PK_RESULT=`hal-is-caller-privileged --udi $UDI --action $ACTION \
  14             --caller $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME`
  15         RET=$?
  16         if [ "$RET" != "0" ]; then
  17             echo "org.freedesktop.Hal.Device.Error" >&2
  18             echo "Cannot determine if caller is privileged" >&2
  19             exit 1
  20         fi
  21         if [ "$PK_RESULT" != "yes" ] ;then
  22             echo "org.freedesktop.Hal.Device.PermissionDeniedByPolicy" >&2
  23             echo "$ACTION $PK_RESULT <-- (action, result)" >&2
  24             exit 1
  25         fi
  26     fi
  27 }
  28
  29 hal_call_backend() {
  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     PROGRAM=`basename $0`
  42     if [ -n "$HALD_UNAME_S" -a -x ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S ]; then
  43         exec ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S $@
  44     else
  45         echo "org.freedesktop.Hal.Device.UnknownError" >&2
  46         echo "No back-end for your operating system" >&2
  47         exit 1
  48     fi
  49 }