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test signed att write without gatt client

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This commit is contained in:
Matthias Ringwald 2015-08-20 21:37:34 +02:00
parent c84488c5b7
commit 3ef33525a3
1 changed files with 28 additions and 5 deletions
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33
test/pts/ble_central_test.c
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@ -121,7 +121,10 @@ static int reconnection_address_set = 0;
static bd_addr_t our_private_address;
static uint16_t pts_signed_write_characteristic_uuid = 0xb00d;
static uint8_t signed_write_value = 0;
static uint16_t pts_signed_write_characteristic_handle = 0x0100;
static uint8_t signed_write_value[] = { 0x12 };
static int le_device_db_index;
static sm_key_t signing_csrk;
static central_state_t central_state = CENTRAL_IDLE;
static le_characteristic_t gap_name_characteristic;
@ -302,10 +305,11 @@ void app_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet,
break;
case SM_IDENTITY_RESOLVING_SUCCEEDED:
// skip already detected pts
if (memcmp( ((sm_event_t*) packet)->address, current_pts_address, 6) == 0) break;
memcpy(current_pts_address, ((sm_event_t*) packet)->address, 6);
current_pts_address_type = ((sm_event_t*) packet)->addr_type;
le_device_db_index = ((sm_event_t*) packet)->le_device_db_index;
// skip already detected pts
if (memcmp( ((sm_event_t*) packet)->address, current_pts_address, 6) == 0) break;
printf("Address resolving succeeded: resolvable address %s, addr type %u\n",
bd_addr_to_str(current_pts_address), current_pts_address_type);
break;
@ -380,7 +384,7 @@ void handle_gatt_client_event(le_event_t * event){
break;
case CENTRAL_W4_SIGNED_WRITE_QUERY_COMPLETE:
printf("Signed write on Characteristic with UUID 0x%04x\n", pts_signed_write_characteristic_uuid);
gatt_client_signed_write_without_response(gc_id, handle, signed_write_characteristic.value_handle, 1, &signed_write_value);
gatt_client_signed_write_without_response(gc_id, handle, signed_write_characteristic.value_handle, sizeof(signed_write_value), signed_write_value);
break;
default:
@ -462,7 +466,8 @@ void show_usage(void){
printf("t - terminate connection, stop connecting\n");
printf("p - auto connect to PTS\n");
printf("P - direct connect to PTS\n");
printf("w - signed write on Privacy Flag\n");
printf("w - signed write on characteristic with UUID %04x\n", pts_signed_write_characteristic_uuid);
printf("W - signed write on attribute with handle 0x%04x and value 0x12\n", pts_signed_write_characteristic_handle);
printf("z - Update L2CAP Connection Parameters\n");
printf("---\n");
printf("4 - IO_CAPABILITY_DISPLAY_ONLY\n");
@ -490,6 +495,18 @@ void update_auth_req(void){
sm_set_authentication_requirements(auth_req);
}
static void att_signed_write_handle_cmac_result(uint8_t hash[8]){
int value_length = sizeof(signed_write_value);
l2cap_reserve_packet_buffer();
uint8_t * request = l2cap_get_outgoing_buffer();
request[0] = ATT_SIGNED_WRITE_COMMAND;
bt_store_16(request, 1, pts_signed_write_characteristic_handle);
memcpy(&request[3], signed_write_value, value_length);
bt_store_32(request, 3 + value_length, 0);
swap64(hash, &request[3 + value_length + 4]);
l2cap_send_prepared_connectionless(handle, L2CAP_CID_ATTRIBUTE_PROTOCOL, 3 + value_length + 12);
}
int stdin_process(struct data_source *ds){
char buffer;
read(ds->fd, &buffer, 1);
@ -649,6 +666,12 @@ int stdin_process(struct data_source *ds){
central_state = CENTRAL_W4_SIGNED_WRITE_QUERY_COMPLETE;
gatt_client_discover_characteristics_for_handle_range_by_uuid16(gc_id, handle, 1, 0xffff, pts_signed_write_characteristic_uuid);
break;
case 'W':
// fetch csrk
le_device_db_csrk_get(le_device_db_index, signing_csrk);
// calc signature
sm_cmac_start(signing_csrk, ATT_SIGNED_WRITE_COMMAND, pts_signed_write_characteristic_handle, sizeof(signed_write_value), signed_write_value, 0, att_signed_write_handle_cmac_result);
break;
case 'x':
sm_min_key_size = 7;
sm_set_encryption_key_size_range(7, 16);