1#!/bin/sh
2#
3# Copyright (c) 2019 Intel Corporation
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#    http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Run socat in a loop. This way we can restart pppd and do not need
18# to manually restart socat.
19
20STOPPED=0
21trap ctrl_c INT TERM
22
23ctrl_c() {
24    STOPPED=1
25}
26
27# If this file entry already exists, socat may complain
28rm -f /tmp/ppp
29
30while [ $STOPPED -eq 0 ]; do
31    socat $* PTY,link=/tmp/ppp.dev UNIX-LISTEN:/tmp/ppp
32    sleep 2
33done
34