102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
/**
|
|
* @file smp_null.c
|
|
* Security Manager Protocol stub
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2015-2016 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr.h>
|
|
#include <errno.h>
|
|
#include <sys/atomic.h>
|
|
#include <sys/util.h>
|
|
|
|
#include <bluetooth/bluetooth.h>
|
|
#include <bluetooth/conn.h>
|
|
#include <bluetooth/buf.h>
|
|
|
|
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_CORE)
|
|
#define LOG_MODULE_NAME bt_smp
|
|
#include "common/log.h"
|
|
|
|
#include "hci_core.h"
|
|
#include "conn_internal.h"
|
|
#include "l2cap_internal.h"
|
|
#include "smp.h"
|
|
|
|
static struct bt_l2cap_le_chan bt_smp_pool[CONFIG_BT_MAX_CONN];
|
|
|
|
int bt_smp_sign_verify(struct bt_conn *conn, struct net_buf *buf)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
int bt_smp_sign(struct bt_conn *conn, struct net_buf *buf)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
static int bt_smp_recv(struct bt_l2cap_chan *chan, struct net_buf *buf)
|
|
{
|
|
struct bt_conn *conn = chan->conn;
|
|
struct bt_smp_pairing_fail *rsp;
|
|
struct bt_smp_hdr *hdr;
|
|
|
|
/* If a device does not support pairing then it shall respond with
|
|
* a Pairing Failed command with the reason set to "Pairing Not
|
|
* Supported" when any command is received.
|
|
* Core Specification Vol. 3, Part H, 3.3
|
|
*/
|
|
|
|
buf = bt_l2cap_create_pdu(NULL, 0);
|
|
/* NULL is not a possible return due to K_FOREVER */
|
|
|
|
hdr = net_buf_add(buf, sizeof(*hdr));
|
|
hdr->code = BT_SMP_CMD_PAIRING_FAIL;
|
|
|
|
rsp = net_buf_add(buf, sizeof(*rsp));
|
|
rsp->reason = BT_SMP_ERR_PAIRING_NOTSUPP;
|
|
|
|
bt_l2cap_send(conn, BT_L2CAP_CID_SMP, buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bt_smp_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan)
|
|
{
|
|
int i;
|
|
static const struct bt_l2cap_chan_ops ops = {
|
|
.recv = bt_smp_recv,
|
|
};
|
|
|
|
BT_DBG("conn %p handle %u", conn, conn->handle);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(bt_smp_pool); i++) {
|
|
struct bt_l2cap_le_chan *smp = &bt_smp_pool[i];
|
|
|
|
if (smp->chan.conn) {
|
|
continue;
|
|
}
|
|
|
|
smp->chan.ops = &ops;
|
|
|
|
*chan = &smp->chan;
|
|
|
|
return 0;
|
|
}
|
|
|
|
BT_ERR("No available SMP context for conn %p", conn);
|
|
|
|
return -ENOMEM;
|
|
}
|
|
|
|
BT_L2CAP_CHANNEL_DEFINE(smp_fixed_chan, BT_L2CAP_CID_SMP, bt_smp_accept, NULL);
|
|
|
|
int bt_smp_init(void)
|
|
{
|
|
return 0;
|
|
}
|