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# -*-Shell-script-*-
#
# hal-functions.sh: This file contains functions to be used by most or all
# hal shell scripts
# hal-system-lcd-get-brightness.sh
#
# Licensed under the Academic Free License version 2.1
#
hal_check_priv() {
if [ "$HAVE_POLKIT" = "1" -a -n $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME ]; then
ACTION=$1
PK_RESULT=`hal-is-caller-privileged --udi $UDI --action $ACTION \
--caller $HAL_METHOD_INVOKED_BY_SYSTEMBUS_CONNECTION_NAME`
RET=$?
if [ "$RET" != "0" ]; then
echo "org.freedesktop.Hal.Device.Error" >&2
echo "Cannot determine if caller is privileged" >&2
exit 1
fi
if [ "$PK_RESULT" != "yes" ] ;then
echo "org.freedesktop.Hal.Device.PermissionDeniedByPolicy" >&2
echo "$ACTION $PK_RESULT <-- (action, result)" >&2
exit 1
fi
fi
}
hal_call_backend() {
PROGRAM=`basename $0`
if [ -n "$HALD_UNAME_S" -a -x ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S ]; then
./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S $@
else
echo "org.freedesktop.Hal.Device.UnknownError" >&2
echo "No back-end for your operating system" >&2
exit 1
fi
}
hal_exec_backend() {
PROGRAM=`basename $0`
if [ -n "$HALD_UNAME_S" -a -x ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S ]; then
exec ./$HALD_UNAME_S/$PROGRAM-$HALD_UNAME_S $@
else
echo "org.freedesktop.Hal.Device.UnknownError" >&2
echo "No back-end for your operating system" >&2
exit 1
fi
}
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