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#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)
const char *const gatt_attr_name[] = {
"primary service",
"secondary service",
"included service",
"characteristic",
};
const char *const gatt_char_desc_name[] = {
"characteristic extended properties",
"characteristic user description",
"client characteristic configuration",
"server characteristic configuration",
"characteristic presentation format",
"characteristic aggregate format",
};
static const char *gatt_get_attr_name(UINT16 uuid)
{
if (uuid >= GATT_UUID_PRI_SERVICE && uuid <= GATT_UUID_CHAR_DECLARE) {
return gatt_attr_name[uuid - GATT_UUID_PRI_SERVICE];
}
if (uuid >= GATT_UUID_CHAR_EXT_PROP && uuid <= GATT_UUID_CHAR_AGG_FORMAT) {
return gatt_char_desc_name[uuid - GATT_UUID_CHAR_EXT_PROP];
}
return "Unknown Attribute";
}
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 = {0};
// 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 = {0};
// 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);
#endif
osi_free(data_buf);
return GATT_SUCCESS;
}
void gatts_show_local_database(void)
{
UINT8 i;
tGATT_SVC_DB *p_db;
tGATT_ATTR16 *p_attr;
printf("\n================= GATTS DATABASE DUMP START =================\n");
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) {
switch (p_attr->uuid) {
case GATT_UUID_PRI_SERVICE:
case GATT_UUID_SEC_SERVICE:
// Service declaration
printf("%s\n", gatt_get_attr_name(p_attr->uuid));
printf("\tuuid %s\n", gatt_uuid_to_str(&p_attr->p_value->uuid));
printf("\thandle %d\n", p_attr->handle);
printf("\tend_handle %d\n",p_db->end_handle-1);
break;
case GATT_UUID_INCLUDE_SERVICE:
// Included service declaration
printf("%s\n", gatt_get_attr_name(p_attr->uuid));
printf("\tuuid %s\t", gatt_uuid_to_str(&p_attr->p_value->incl_handle.service_type));
printf("\thandle %d\n", p_attr->p_value->incl_handle.s_handle);
printf("\tend_handle %d\n", p_attr->p_value->incl_handle.e_handle);
break;
case GATT_UUID_CHAR_DECLARE: {
tBT_UUID char_uuid = {0};
tGATT_ATTR16 *p_char_val;
p_char_val = (tGATT_ATTR16 *)p_attr->p_next;
attr_uuid_to_bt_uuid((void *)p_char_val, &char_uuid);
printf("%s\n", gatt_get_attr_name(p_attr->uuid));
printf("\tuuid %s\n", gatt_uuid_to_str(&char_uuid));
printf("\tdef_handle %d\n", p_attr->handle);
printf("\tval_handle %d\n", p_attr->p_value->char_decl.char_val_handle);
printf("\tperm 0x%04x, prop 0x%02x\n", p_char_val->permission, p_attr->p_value->char_decl.property);
break;
}
case GATT_UUID_CHAR_EXT_PROP:
case GATT_UUID_CHAR_DESCRIPTION:
case GATT_UUID_CHAR_CLIENT_CONFIG:
case GATT_UUID_CHAR_SRVR_CONFIG:
case GATT_UUID_CHAR_PRESENT_FORMAT:
case GATT_UUID_CHAR_AGG_FORMAT:
printf("%s\n", gatt_get_attr_name(p_attr->uuid));
printf("\thandle %d\n", p_attr->handle);
break;
}
p_attr = (tGATT_ATTR16 *) p_attr->p_next;
}
}
}
printf("================= GATTS DATABASE DUMP END =================\n");
}
#endif /* BLE_INCLUDED == TRUE && GATTS_INCLUDED == TRUE */
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