174 lines
6.2 KiB
C
174 lines
6.2 KiB
C
/****************************************************************************
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* apps/wireless/ieee802154/i8sak/i8sak_acceptassoc.c
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* IEEE 802.15.4 Swiss Army Knife
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*
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* Copyright (C) 2017 Verge Inc. All rights reserved.
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* Author: Anthony Merlino <anthony@vergeaero.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <nuttx/fs/ioctl.h>
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#include "i8sak.h"
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#include <nuttx/wireless/ieee802154/ieee802154_ioctl.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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#include "wireless/ieee802154.h"
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void acceptassoc_eventcb(FAR struct ieee802154_notif_s *notif, FAR void *arg);
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name : i8_acceptassoc
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*
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* Description :
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* Start accepting association requests.
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****************************************************************************/
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void i8sak_acceptassoc_cmd(FAR struct i8sak_s *i8sak, int argc, FAR char *argv[])
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{
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struct wpanlistener_eventfilter_s filter;
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bool acceptall = true; /* start off assuming we are going to allow all connections */
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int option, optcnt;
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optcnt = 0;
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while ((option = getopt(argc, argv, ":he:")) != ERROR)
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{
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optcnt++;
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switch (option)
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{
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case 'h':
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fprintf(stderr, "Starts accepting association requests\n"
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"Usage: %s [-h|e <extended address>]\n"
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" -h = this help menu\n"
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" -e = only accept requests from eaddr\n"
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"Note: No option accepts all requests\n"
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, argv[0]);
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/* Must manually reset optind if we are going to exit early */
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optind = -1;
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return;
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case 'e': /* Accept only this extended address */
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i8sak_str2eaddr(optarg, &i8sak->ep.eaddr[0]);
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acceptall = false;
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break;
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case ':':
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fprintf(stderr, "ERROR: missing argument\n");
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/* Must manually reset optind if we are going to exit early */
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optind = -1;
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i8sak_cmd_error(i8sak); /* This exits for us */
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case '?':
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fprintf(stderr, "ERROR: invalid argument\n");
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/* Must manually reset optind if we are going to exit early */
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optind = -1;
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i8sak_cmd_error(i8sak); /* This exits for us */
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}
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}
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if (!optcnt)
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{
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i8sak->acceptall = acceptall;
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printf("i8sak: accepting all assoc requests\n");
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}
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/* Register new callback for receiving the association notifications */
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memset(&filter, 0, sizeof(struct wpanlistener_eventfilter_s));
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filter.indevents.assoc = true;
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wpanlistener_add_eventreceiver(&i8sak->wpanlistener, acceptassoc_eventcb,
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&filter, (FAR void *)i8sak, !i8sak->acceptall);
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}
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static void acceptassoc_eventcb(FAR struct ieee802154_notif_s *notif, FAR void *arg)
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{
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FAR struct i8sak_s *i8sak = (FAR struct i8sak_s *)arg;
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struct ieee802154_assoc_resp_s assocresp;
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printf("i8sak: a device is trying to associate\n");
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/* If the address matches our device, accept the association.
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* Otherwise, reject the assocation.
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*/
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if (memcmp(¬if->u.assocind.devaddr[0], &i8sak->ep.eaddr[0],
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IEEE802154_EADDR_LEN) == 0)
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{
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/* Send a ASSOC.resp primtive to the MAC. Copy the association
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* indication address into the association response primitive
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*/
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memcpy(&assocresp.devaddr[0], ¬if->u.assocind.devaddr[0],
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IEEE802154_EADDR_LEN);
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assocresp.assocsaddr = i8sak->next_saddr;
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assocresp.status = IEEE802154_STATUS_SUCCESS;
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printf("i8sak: accepting association request\n");
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}
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else
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{
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/* Send a ASSOC.resp primtive to the MAC. Copy the association
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* indication address into the association response primitive
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*/
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memcpy(&assocresp.devaddr[0], ¬if->u.assocind.devaddr[0],
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IEEE802154_EADDR_LEN);
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assocresp.status = IEEE802154_STATUS_DENIED;
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printf("i8sak: rejecting association request\n");
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}
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ieee802154_assoc_resp(i8sak->fd, &assocresp);
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} |