kopia lustrzana https://github.com/espressif/esp-idf
bluedroid: support GATT services database hash calculate
chenjianhua
rodzic
a1ffb2580d
commit
3565b74fa5
|
|
@ -299,6 +299,7 @@ if(CONFIG_BT_ENABLED)
|
|||
"host/bluedroid/stack/gatt/gatt_db.c"
|
||||
"host/bluedroid/stack/gatt/gatt_main.c"
|
||||
"host/bluedroid/stack/gatt/gatt_sr.c"
|
||||
"host/bluedroid/stack/gatt/gatt_sr_hash.c"
|
||||
"host/bluedroid/stack/gatt/gatt_utils.c"
|
||||
"host/bluedroid/stack/hcic/hciblecmds.c"
|
||||
"host/bluedroid/stack/hcic/hcicmds.c"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,171 @@
|
|||
#include "common/bt_target.h"
|
||||
#include "osi/allocator.h"
|
||||
|
||||
#include <string.h>
|
||||
#include "gatt_int.h"
|
||||
#include "stack/l2c_api.h"
|
||||
#include "l2c_int.h"
|
||||
#include "smp_int.h"
|
||||
|
||||
#if (BLE_INCLUDED == TRUE && GATTS_INCLUDED == TRUE)
|
||||
static void attr_uuid_to_bt_uuid(void *p_attr, tBT_UUID *p_uuid)
|
||||
{
|
||||
tGATT_ATTR16 *p_attr16 = (tGATT_ATTR16 *)p_attr;
|
||||
|
||||
if (p_attr16->uuid_type == GATT_ATTR_UUID_TYPE_16) {
|
||||
p_uuid->len = LEN_UUID_16;
|
||||
p_uuid->uu.uuid16 = p_attr16->uuid;
|
||||
} else if (p_attr16->uuid_type == GATT_ATTR_UUID_TYPE_32) {
|
||||
tGATT_ATTR32 *p_attr32 = (tGATT_ATTR32 *)p_attr;
|
||||
p_uuid->len = LEN_UUID_32;
|
||||
p_uuid->uu.uuid32 = p_attr32->uuid;
|
||||
} else if (p_attr16->uuid_type == GATT_ATTR_UUID_TYPE_128) {
|
||||
tGATT_ATTR128 *p_attr128 = (tGATT_ATTR128 *)p_attr;
|
||||
p_uuid->len = LEN_UUID_128;
|
||||
memcpy(p_uuid->uu.uuid128, p_attr128->uuid, LEN_UUID_128);
|
||||
}
|
||||
}
|
||||
|
||||
static size_t calculate_database_info_size(void)
|
||||
{
|
||||
UINT8 i;
|
||||
tGATT_SVC_DB *p_db;
|
||||
tGATT_ATTR16 *p_attr;
|
||||
size_t len = 0;
|
||||
|
||||
for (i = 0; i < GATT_MAX_SR_PROFILES; i++) {
|
||||
p_db = gatt_cb.sr_reg[i].p_db;
|
||||
if (p_db && p_db->p_attr_list) {
|
||||
p_attr = (tGATT_ATTR16 *)p_db->p_attr_list;
|
||||
while (p_attr) {
|
||||
if (p_attr->uuid == GATT_UUID_PRI_SERVICE ||
|
||||
p_attr->uuid == GATT_UUID_SEC_SERVICE) {
|
||||
// Service declaration
|
||||
len += 4 + p_attr->p_value->uuid.len;
|
||||
} else if (p_attr->uuid == GATT_UUID_INCLUDE_SERVICE) {
|
||||
// Included service declaration
|
||||
len += 8 + p_attr->p_value->incl_handle.service_type.len;
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_DECLARE) {
|
||||
tBT_UUID char_uuid;
|
||||
// Characteristic declaration
|
||||
p_attr = (tGATT_ATTR16 *)p_attr->p_next;
|
||||
attr_uuid_to_bt_uuid((void *)p_attr, &char_uuid);
|
||||
// Increment 1 to fetch characteristic uuid from value declaration attribute
|
||||
len += 7 + char_uuid.len;
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_DESCRIPTION ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_CLIENT_CONFIG ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_SRVR_CONFIG ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_PRESENT_FORMAT ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_AGG_FORMAT) {
|
||||
// Descriptor
|
||||
len += 4;
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_EXT_PROP) {
|
||||
// Descriptor
|
||||
len += 6;
|
||||
}
|
||||
p_attr = (tGATT_ATTR16 *) p_attr->p_next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static void fill_database_info(UINT8 *p_data)
|
||||
{
|
||||
UINT8 i;
|
||||
tGATT_SVC_DB *p_db;
|
||||
tGATT_ATTR16 *p_attr;
|
||||
|
||||
for (i = 0; i < GATT_MAX_SR_PROFILES; i++) {
|
||||
p_db = gatt_cb.sr_reg[i].p_db;
|
||||
if (p_db && p_db->p_attr_list) {
|
||||
p_attr = (tGATT_ATTR16 *)p_db->p_attr_list;
|
||||
while (p_attr) {
|
||||
if (p_attr->uuid == GATT_UUID_PRI_SERVICE ||
|
||||
p_attr->uuid == GATT_UUID_SEC_SERVICE) {
|
||||
// Service declaration
|
||||
UINT16_TO_STREAM(p_data, p_attr->handle);
|
||||
UINT16_TO_STREAM(p_data, p_attr->uuid);
|
||||
gatt_build_uuid_to_stream(&p_data, p_attr->p_value->uuid);
|
||||
} else if (p_attr->uuid == GATT_UUID_INCLUDE_SERVICE) {
|
||||
// Included service declaration
|
||||
UINT16_TO_STREAM(p_data, p_attr->handle);
|
||||
UINT16_TO_STREAM(p_data, GATT_UUID_INCLUDE_SERVICE);
|
||||
UINT16_TO_STREAM(p_data, p_attr->p_value->incl_handle.s_handle);
|
||||
UINT16_TO_STREAM(p_data, p_attr->p_value->incl_handle.e_handle);
|
||||
gatt_build_uuid_to_stream(&p_data, p_attr->p_value->incl_handle.service_type);
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_DECLARE) {
|
||||
tBT_UUID char_uuid;
|
||||
// Characteristic declaration
|
||||
UINT16_TO_STREAM(p_data, p_attr->handle);
|
||||
UINT16_TO_STREAM(p_data, GATT_UUID_CHAR_DECLARE);
|
||||
UINT8_TO_STREAM(p_data, p_attr->p_value->char_decl.property);
|
||||
UINT16_TO_STREAM(p_data, p_attr->p_value->char_decl.char_val_handle);
|
||||
p_attr = (tGATT_ATTR16 *)p_attr->p_next;
|
||||
attr_uuid_to_bt_uuid((void *)p_attr, &char_uuid);
|
||||
// Increment 1 to fetch characteristic uuid from value declaration attribute
|
||||
gatt_build_uuid_to_stream(&p_data, char_uuid);
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_DESCRIPTION ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_CLIENT_CONFIG ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_SRVR_CONFIG ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_PRESENT_FORMAT ||
|
||||
p_attr->uuid == GATT_UUID_CHAR_AGG_FORMAT) {
|
||||
// Descriptor
|
||||
UINT16_TO_STREAM(p_data, p_attr->handle);
|
||||
UINT16_TO_STREAM(p_data, p_attr->uuid);
|
||||
} else if (p_attr->uuid == GATT_UUID_CHAR_EXT_PROP) {
|
||||
// Descriptor
|
||||
UINT16_TO_STREAM(p_data, p_attr->handle);
|
||||
UINT16_TO_STREAM(p_data, p_attr->uuid);
|
||||
// TODO: process extended properties descriptor
|
||||
if (p_attr->p_value->attr_val.attr_len == 2) {
|
||||
memcpy(p_data, p_attr->p_value->attr_val.attr_val, 2);
|
||||
} else {
|
||||
UINT16_TO_STREAM(p_data, 0x0000);
|
||||
}
|
||||
}
|
||||
p_attr = (tGATT_ATTR16 *) p_attr->p_next;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
tGATT_STATUS gatts_calculate_datebase_hash(BT_OCTET16 hash)
|
||||
{
|
||||
UINT8 tmp;
|
||||
UINT16 i;
|
||||
UINT16 j;
|
||||
size_t len;
|
||||
UINT8 *data_buf = NULL;
|
||||
|
||||
len = calculate_database_info_size();
|
||||
|
||||
data_buf = (UINT8 *)osi_malloc(len);
|
||||
if (data_buf == NULL) {
|
||||
GATT_TRACE_ERROR ("%s failed to allocate buffer (%u)\n", __func__, len);
|
||||
return GATT_NO_RESOURCES;
|
||||
}
|
||||
|
||||
fill_database_info(data_buf);
|
||||
|
||||
// reverse database info
|
||||
for (i = 0, j = len-1; i < j; i++, j--) {
|
||||
tmp = data_buf[i];
|
||||
data_buf[i] = data_buf[j];
|
||||
data_buf[j] = tmp;
|
||||
}
|
||||
|
||||
#if SMP_INCLUDED == TRUE
|
||||
BT_OCTET16 key = {0};
|
||||
aes_cipher_msg_auth_code(key, data_buf, len, 16, hash);
|
||||
//ESP_LOG_BUFFER_HEX("db hash", hash, BT_OCTET16_LEN);
|
||||
#else
|
||||
// TODO
|
||||
GATT_TRACE_ERROR("%s SMP disabled", __func__);
|
||||
#endif
|
||||
|
||||
osi_free(data_buf);
|
||||
return GATT_SUCCESS;
|
||||
}
|
||||
#endif /* BLE_INCLUDED == TRUE && GATTS_INCLUDED == TRUE */
|
||||
Ładowanie…
Reference in New Issue