component/bt: add bluedroid 1st version
1. add bluedroid 1st version 2. alarm adapter 3. task semaphore lock 4. other bugs resolved
This commit is contained in:
Tian Hao
Executable
+642
@@ -0,0 +1,642 @@
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/******************************************************************************
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*
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* Copyright (C) 1999-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This file contains functions for the Bluetooth Device Manager
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*
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******************************************************************************/
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#include <stdlib.h>
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#include <string.h>
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//#include <stdio.h>
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#include <stddef.h>
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#include "bt_types.h"
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#include "controller.h"
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#include "gki.h"
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#include "hcimsgs.h"
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#include "btu.h"
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#include "btm_api.h"
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#include "btm_int.h"
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#include "hcidefs.h"
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#include "l2c_api.h"
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static tBTM_SEC_DEV_REC *btm_find_oldest_dev (void);
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/*******************************************************************************
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**
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** Function BTM_SecAddDevice
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**
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** Description Add/modify device. This function will be normally called
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** during host startup to restore all required information
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** stored in the NVRAM.
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**
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** Parameters: bd_addr - BD address of the peer
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** dev_class - Device Class
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** bd_name - Name of the peer device. NULL if unknown.
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** features - Remote device's features (up to 3 pages). NULL if not known
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** trusted_mask - Bitwise OR of services that do not
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** require authorization. (array of UINT32)
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** link_key - Connection link key. NULL if unknown.
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**
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** Returns TRUE if added OK, else FALSE
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**
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*******************************************************************************/
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BOOLEAN BTM_SecAddDevice (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NAME bd_name,
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UINT8 *features, UINT32 trusted_mask[],
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LINK_KEY link_key, UINT8 key_type, tBTM_IO_CAP io_cap,
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UINT8 pin_length)
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{
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tBTM_SEC_DEV_REC *p_dev_rec;
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int i, j;
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BOOLEAN found = FALSE;
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BTM_TRACE_API("%s, link key type:%x", __FUNCTION__,key_type);
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p_dev_rec = btm_find_dev (bd_addr);
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if (!p_dev_rec)
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{
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/* There is no device record, allocate one.
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* If we can not find an empty spot for this one, let it fail. */
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for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++)
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{
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if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE))
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{
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p_dev_rec = &btm_cb.sec_dev_rec[i];
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/* Mark this record as in use and initialize */
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memset (p_dev_rec, 0, sizeof (tBTM_SEC_DEV_REC));
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p_dev_rec->sec_flags = BTM_SEC_IN_USE;
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memcpy (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN);
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p_dev_rec->hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_BR_EDR);
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#if BLE_INCLUDED == TRUE
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/* use default value for background connection params */
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/* update conn params, use default value for background connection params */
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memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS));
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#endif
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break;
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}
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}
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if (!p_dev_rec)
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return(FALSE);
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}
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p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; /* Default value */
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p_dev_rec->timestamp = btm_cb.dev_rec_count++;
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if (dev_class)
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memcpy (p_dev_rec->dev_class, dev_class, DEV_CLASS_LEN);
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memset(p_dev_rec->sec_bd_name, 0, sizeof(tBTM_BD_NAME));
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if (bd_name && bd_name[0])
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{
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p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN;
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BCM_STRNCPY_S ((char *)p_dev_rec->sec_bd_name, sizeof (p_dev_rec->sec_bd_name),
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(char *)bd_name, BTM_MAX_REM_BD_NAME_LEN);
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}
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p_dev_rec->num_read_pages = 0;
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if (features)
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{
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memcpy (p_dev_rec->features, features, sizeof (p_dev_rec->features));
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for (i = HCI_EXT_FEATURES_PAGE_MAX; i >= 0; i--)
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{
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for (j = 0; j < HCI_FEATURE_BYTES_PER_PAGE; j++)
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{
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if (p_dev_rec->features[i][j] != 0)
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{
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found = TRUE;
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break;
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}
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}
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if (found)
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{
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p_dev_rec->num_read_pages = i + 1;
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break;
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}
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}
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}
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else
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memset (p_dev_rec->features, 0, sizeof (p_dev_rec->features));
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BTM_SEC_COPY_TRUSTED_DEVICE(trusted_mask, p_dev_rec->trusted_mask);
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if (link_key)
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{
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BTM_TRACE_EVENT ("BTM_SecAddDevice() BDA: %02x:%02x:%02x:%02x:%02x:%02x",
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bd_addr[0], bd_addr[1], bd_addr[2],
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bd_addr[3], bd_addr[4], bd_addr[5]);
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p_dev_rec->sec_flags |= BTM_SEC_LINK_KEY_KNOWN;
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memcpy (p_dev_rec->link_key, link_key, LINK_KEY_LEN);
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p_dev_rec->link_key_type = key_type;
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p_dev_rec->pin_code_length = pin_length;
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if (pin_length >= 16 ||
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key_type == BTM_LKEY_TYPE_AUTH_COMB ||
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key_type == BTM_LKEY_TYPE_AUTH_COMB_P_256) {
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// Set the fiag if the link key was made by using either a 16 digit
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// pin or MITM.
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p_dev_rec->sec_flags |= BTM_SEC_16_DIGIT_PIN_AUTHED;
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}
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}
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#if defined(BTIF_MIXED_MODE_INCLUDED) && (BTIF_MIXED_MODE_INCLUDED == TRUE)
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if (key_type < BTM_MAX_PRE_SM4_LKEY_TYPE)
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p_dev_rec->sm4 = BTM_SM4_KNOWN;
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else
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p_dev_rec->sm4 = BTM_SM4_TRUE;
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#endif
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p_dev_rec->rmt_io_caps = io_cap;
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p_dev_rec->device_type |= BT_DEVICE_TYPE_BREDR;
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return(TRUE);
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}
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/*******************************************************************************
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**
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** Function BTM_SecDeleteDevice
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**
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** Description Free resources associated with the device.
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**
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** Parameters: bd_addr - BD address of the peer
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**
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** Returns TRUE if removed OK, FALSE if not found or ACL link is active
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**
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*******************************************************************************/
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BOOLEAN BTM_SecDeleteDevice (BD_ADDR bd_addr)
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{
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tBTM_SEC_DEV_REC *p_dev_rec;
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if (BTM_IsAclConnectionUp(bd_addr, BT_TRANSPORT_LE) ||
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BTM_IsAclConnectionUp(bd_addr, BT_TRANSPORT_BR_EDR))
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{
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BTM_TRACE_WARNING("%s FAILED: Cannot Delete when connection is active", __func__);
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return FALSE;
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}
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if ((p_dev_rec = btm_find_dev(bd_addr)) != NULL)
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{
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btm_sec_free_dev(p_dev_rec);
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/* Tell controller to get rid of the link key, if it has one stored */
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BTM_DeleteStoredLinkKey (p_dev_rec->bd_addr, NULL);
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}
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return TRUE;
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}
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/*******************************************************************************
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**
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** Function BTM_SecReadDevName
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**
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** Description Looks for the device name in the security database for the
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** specified BD address.
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**
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** Returns Pointer to the name or NULL
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**
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*******************************************************************************/
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char *BTM_SecReadDevName (BD_ADDR bd_addr)
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{
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char *p_name = NULL;
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tBTM_SEC_DEV_REC *p_srec;
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if ((p_srec = btm_find_dev(bd_addr)) != NULL)
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p_name = (char *)p_srec->sec_bd_name;
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return(p_name);
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}
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/*******************************************************************************
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**
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** Function btm_sec_alloc_dev
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**
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** Description Look for the record in the device database for the record
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** with specified address
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**
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** Returns Pointer to the record or NULL
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**
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*******************************************************************************/
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tBTM_SEC_DEV_REC *btm_sec_alloc_dev (BD_ADDR bd_addr)
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{
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tBTM_SEC_DEV_REC *p_dev_rec = NULL;
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tBTM_INQ_INFO *p_inq_info;
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int i;
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DEV_CLASS old_cod;
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int i_new_entry = BTM_SEC_MAX_DEVICE_RECORDS;
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int i_old_entry = BTM_SEC_MAX_DEVICE_RECORDS;
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BTM_TRACE_EVENT ("btm_sec_alloc_dev");
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for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++)
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{
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/* look for old entry where device details are present */
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if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE) &&
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(!memcmp (btm_cb.sec_dev_rec[i].bd_addr, bd_addr, BD_ADDR_LEN)))
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{
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i_old_entry = i;
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BTM_TRACE_EVENT ("btm_sec_alloc_dev old device found");
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break;
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}
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}
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for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++)
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{
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if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE))
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{
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i_new_entry = i;
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break;
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}
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}
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if (i_new_entry == BTM_SEC_MAX_DEVICE_RECORDS) {
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p_dev_rec = btm_find_oldest_dev();
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}
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else {
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/* if the old device entry not present go with
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new entry */
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if(i_old_entry == BTM_SEC_MAX_DEVICE_RECORDS) {
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p_dev_rec = &btm_cb.sec_dev_rec[i_new_entry];
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}
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else {
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p_dev_rec = &btm_cb.sec_dev_rec[i_old_entry];
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memcpy (old_cod, p_dev_rec->dev_class, DEV_CLASS_LEN);
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}
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}
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memset (p_dev_rec, 0, sizeof (tBTM_SEC_DEV_REC));
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/* Retain the old COD for device */
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if(i_old_entry != BTM_SEC_MAX_DEVICE_RECORDS) {
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BTM_TRACE_EVENT ("btm_sec_alloc_dev restoring cod ");
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memcpy (p_dev_rec->dev_class, old_cod, DEV_CLASS_LEN);
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}
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p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; /* Default value */
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p_dev_rec->sec_flags = BTM_SEC_IN_USE;
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/* Check with the BT manager if details about remote device are known */
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/* outgoing connection */
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if ((p_inq_info = BTM_InqDbRead(bd_addr)) != NULL)
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{
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memcpy (p_dev_rec->dev_class, p_inq_info->results.dev_class, DEV_CLASS_LEN);
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#if BLE_INCLUDED == TRUE
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p_dev_rec->device_type = p_inq_info->results.device_type;
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p_dev_rec->ble.ble_addr_type = p_inq_info->results.ble_addr_type;
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/* update conn params, use default value for background connection params */
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memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS));
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#endif
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}
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else
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{
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#if BLE_INCLUDED == TRUE
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/* update conn params, use default value for background connection params */
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memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS));
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#endif
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if (!memcmp (bd_addr, btm_cb.connecting_bda, BD_ADDR_LEN))
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memcpy (p_dev_rec->dev_class, btm_cb.connecting_dc, DEV_CLASS_LEN);
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}
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memcpy (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN);
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#if BLE_INCLUDED == TRUE
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p_dev_rec->ble_hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_LE);
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#endif
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p_dev_rec->hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_BR_EDR);
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p_dev_rec->timestamp = btm_cb.dev_rec_count++;
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return(p_dev_rec);
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}
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/*******************************************************************************
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**
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** Function btm_sec_free_dev
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**
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** Description Mark device record as not used
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**
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*******************************************************************************/
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void btm_sec_free_dev (tBTM_SEC_DEV_REC *p_dev_rec)
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{
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p_dev_rec->bond_type = BOND_TYPE_UNKNOWN;
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p_dev_rec->sec_flags = 0;
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#if BLE_INCLUDED == TRUE
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/* Clear out any saved BLE keys */
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btm_sec_clear_ble_keys (p_dev_rec);
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#endif
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}
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/*******************************************************************************
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**
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** Function btm_dev_support_switch
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**
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** Description This function is called by the L2CAP to check if remote
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** device supports role switch
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**
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** Parameters: bd_addr - Address of the peer device
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**
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** Returns TRUE if device is known and role switch is supported
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**
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*******************************************************************************/
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BOOLEAN btm_dev_support_switch (BD_ADDR bd_addr)
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{
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tBTM_SEC_DEV_REC *p_dev_rec;
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UINT8 xx;
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BOOLEAN feature_empty = TRUE;
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#if BTM_SCO_INCLUDED == TRUE
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/* Role switch is not allowed if a SCO is up */
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if (btm_is_sco_active_by_bdaddr(bd_addr))
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return(FALSE);
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#endif
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p_dev_rec = btm_find_dev (bd_addr);
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if (p_dev_rec && controller_get_interface()->supports_master_slave_role_switch())
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{
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if (HCI_SWITCH_SUPPORTED(p_dev_rec->features[HCI_EXT_FEATURES_PAGE_0]))
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{
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BTM_TRACE_DEBUG("btm_dev_support_switch return TRUE (feature found)");
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return (TRUE);
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}
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/* If the feature field is all zero, we never received them */
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for (xx = 0 ; xx < BD_FEATURES_LEN ; xx++)
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{
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if (p_dev_rec->features[HCI_EXT_FEATURES_PAGE_0][xx] != 0x00)
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{
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feature_empty = FALSE; /* at least one is != 0 */
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break;
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}
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}
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/* If we don't know peer's capabilities, assume it supports Role-switch */
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if (feature_empty)
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{
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BTM_TRACE_DEBUG("btm_dev_support_switch return TRUE (feature empty)");
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return (TRUE);
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}
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}
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BTM_TRACE_DEBUG("btm_dev_support_switch return FALSE");
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return(FALSE);
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}
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/*******************************************************************************
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**
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** Function btm_find_dev_by_handle
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**
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** Description Look for the record in the device database for the record
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** with specified handle
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**
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** Returns Pointer to the record or NULL
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**
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*******************************************************************************/
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tBTM_SEC_DEV_REC *btm_find_dev_by_handle (UINT16 handle)
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{
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tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0];
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int i;
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for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++)
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{
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if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE)
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&& ((p_dev_rec->hci_handle == handle)
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#if BLE_INCLUDED == TRUE
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||(p_dev_rec->ble_hci_handle == handle)
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#endif
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))
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return(p_dev_rec);
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}
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return(NULL);
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}
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||||
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||||
/*******************************************************************************
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**
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** Function btm_find_dev
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||||
**
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||||
** Description Look for the record in the device database for the record
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||||
** with specified BD address
|
||||
**
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||||
** Returns Pointer to the record or NULL
|
||||
**
|
||||
*******************************************************************************/
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||||
tBTM_SEC_DEV_REC *btm_find_dev(BD_ADDR bd_addr)
|
||||
{
|
||||
tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0];
|
||||
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||||
if (bd_addr)
|
||||
{
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||||
for (uint8_t i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++)
|
||||
{
|
||||
if (p_dev_rec->sec_flags & BTM_SEC_IN_USE)
|
||||
{
|
||||
if (!memcmp (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN))
|
||||
return(p_dev_rec);
|
||||
|
||||
#if BLE_INCLUDED == TRUE
|
||||
// If a LE random address is looking for device record
|
||||
if (!memcmp(p_dev_rec->ble.pseudo_addr, bd_addr, BD_ADDR_LEN))
|
||||
return (p_dev_rec);
|
||||
|
||||
if (btm_ble_addr_resolvable(bd_addr, p_dev_rec))
|
||||
return(p_dev_rec);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
** Function btm_consolidate_dev
|
||||
**
|
||||
** Description combine security records if identified as same peer
|
||||
**
|
||||
** Returns none
|
||||
**
|
||||
*******************************************************************************/
|
||||
void btm_consolidate_dev(tBTM_SEC_DEV_REC *p_target_rec)
|
||||
{
|
||||
#if BLE_INCLUDED == TRUE
|
||||
tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0];
|
||||
tBTM_SEC_DEV_REC temp_rec = *p_target_rec;
|
||||
BD_ADDR dummy_bda = {0};
|
||||
|
||||
BTM_TRACE_DEBUG("%s", __func__);
|
||||
|
||||
for (uint8_t i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++)
|
||||
{
|
||||
if (p_target_rec!= p_dev_rec && p_dev_rec->sec_flags & BTM_SEC_IN_USE)
|
||||
{
|
||||
if (!memcmp (p_dev_rec->bd_addr, p_target_rec->bd_addr, BD_ADDR_LEN))
|
||||
{
|
||||
memcpy(p_target_rec, p_dev_rec, sizeof(tBTM_SEC_DEV_REC));
|
||||
p_target_rec->ble = temp_rec.ble;
|
||||
p_target_rec->ble_hci_handle = temp_rec.ble_hci_handle;
|
||||
p_target_rec->enc_key_size = temp_rec.enc_key_size;
|
||||
p_target_rec->conn_params = temp_rec.conn_params;
|
||||
p_target_rec->device_type |= temp_rec.device_type;
|
||||
p_target_rec->sec_flags |= temp_rec.sec_flags;
|
||||
|
||||
p_target_rec->new_encryption_key_is_p256 = temp_rec.new_encryption_key_is_p256;
|
||||
p_target_rec->no_smp_on_br = temp_rec.no_smp_on_br;
|
||||
p_target_rec->bond_type = temp_rec.bond_type;
|
||||
/* mark the combined record as unused */
|
||||
p_dev_rec->sec_flags &= ~BTM_SEC_IN_USE;
|
||||
p_dev_rec->bond_type = BOND_TYPE_UNKNOWN;
|
||||
break;
|
||||
}
|
||||
|
||||
/* an RPA device entry is a duplicate of the target record */
|
||||
if (btm_ble_addr_resolvable(p_dev_rec->bd_addr, p_target_rec))
|
||||
{
|
||||
if (memcmp(p_target_rec->ble.pseudo_addr, p_dev_rec->bd_addr, BD_ADDR_LEN) == 0)
|
||||
{
|
||||
p_target_rec->ble.ble_addr_type = p_dev_rec->ble.ble_addr_type;
|
||||
p_target_rec->device_type |= p_dev_rec->device_type;
|
||||
p_dev_rec->sec_flags &= ~BTM_SEC_IN_USE;
|
||||
p_dev_rec->bond_type = BOND_TYPE_UNKNOWN;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
** Function btm_find_or_alloc_dev
|
||||
**
|
||||
** Description Look for the record in the device database for the record
|
||||
** with specified BD address
|
||||
**
|
||||
** Returns Pointer to the record or NULL
|
||||
**
|
||||
*******************************************************************************/
|
||||
tBTM_SEC_DEV_REC *btm_find_or_alloc_dev (BD_ADDR bd_addr)
|
||||
{
|
||||
tBTM_SEC_DEV_REC *p_dev_rec;
|
||||
BTM_TRACE_EVENT ("btm_find_or_alloc_dev");
|
||||
if ((p_dev_rec = btm_find_dev (bd_addr)) == NULL)
|
||||
{
|
||||
|
||||
/* Allocate a new device record or reuse the oldest one */
|
||||
p_dev_rec = btm_sec_alloc_dev (bd_addr);
|
||||
}
|
||||
return(p_dev_rec);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
** Function btm_find_oldest_dev
|
||||
**
|
||||
** Description Locates the oldest device in use. It first looks for
|
||||
** the oldest non-paired device. If all devices are paired it
|
||||
** deletes the oldest paired device.
|
||||
**
|
||||
** Returns Pointer to the record or NULL
|
||||
**
|
||||
*******************************************************************************/
|
||||
tBTM_SEC_DEV_REC *btm_find_oldest_dev (void)
|
||||
{
|
||||
tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0];
|
||||
tBTM_SEC_DEV_REC *p_oldest = p_dev_rec;
|
||||
UINT32 ot = 0xFFFFFFFF;
|
||||
int i;
|
||||
|
||||
/* First look for the non-paired devices for the oldest entry */
|
||||
for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++)
|
||||
{
|
||||
if (((p_dev_rec->sec_flags & BTM_SEC_IN_USE) == 0)
|
||||
|| ((p_dev_rec->sec_flags & (BTM_SEC_LINK_KEY_KNOWN |BTM_SEC_LE_LINK_KEY_KNOWN)) != 0))
|
||||
continue; /* Device is paired so skip it */
|
||||
|
||||
if (p_dev_rec->timestamp < ot)
|
||||
{
|
||||
p_oldest = p_dev_rec;
|
||||
ot = p_dev_rec->timestamp;
|
||||
}
|
||||
}
|
||||
|
||||
if (ot != 0xFFFFFFFF)
|
||||
return(p_oldest);
|
||||
|
||||
/* All devices are paired; find the oldest */
|
||||
p_dev_rec = &btm_cb.sec_dev_rec[0];
|
||||
for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++)
|
||||
{
|
||||
if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE) == 0)
|
||||
continue;
|
||||
|
||||
if (p_dev_rec->timestamp < ot)
|
||||
{
|
||||
p_oldest = p_dev_rec;
|
||||
ot = p_dev_rec->timestamp;
|
||||
}
|
||||
}
|
||||
return(p_oldest);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
** Function btm_get_bond_type_dev
|
||||
**
|
||||
** Description Get the bond type for a device in the device database
|
||||
** with specified BD address
|
||||
**
|
||||
** Returns The device bond type if known, otherwise BOND_TYPE_UNKNOWN
|
||||
**
|
||||
*******************************************************************************/
|
||||
tBTM_BOND_TYPE btm_get_bond_type_dev(BD_ADDR bd_addr)
|
||||
{
|
||||
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(bd_addr);
|
||||
|
||||
if (p_dev_rec == NULL)
|
||||
return BOND_TYPE_UNKNOWN;
|
||||
|
||||
return p_dev_rec->bond_type;
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
** Function btm_set_bond_type_dev
|
||||
**
|
||||
** Description Set the bond type for a device in the device database
|
||||
** with specified BD address
|
||||
**
|
||||
** Returns TRUE on success, otherwise FALSE
|
||||
**
|
||||
*******************************************************************************/
|
||||
BOOLEAN btm_set_bond_type_dev(BD_ADDR bd_addr, tBTM_BOND_TYPE bond_type)
|
||||
{
|
||||
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(bd_addr);
|
||||
|
||||
if (p_dev_rec == NULL)
|
||||
return FALSE;
|
||||
|
||||
p_dev_rec->bond_type = bond_type;
|
||||
return TRUE;
|
||||
}
|
||||
Reference in New Issue
Block a user