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get security properties on encryption change

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This commit is contained in:
matthias.ringwald@gmail.com 2014-01-06 15:53:46 +00:00
parent 270d89073e
commit 04bc2c1776
1 changed files with 13 additions and 6 deletions
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19
ble/att_server.c
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@ -72,6 +72,8 @@ typedef enum {
static att_connection_t att_connection;
static att_server_state_t att_server_state;
static uint8_t att_client_addr_type;
static bd_addr_t att_client_address;
static uint16_t att_request_handle = 0;
static uint16_t att_request_size = 0;
static uint8_t att_request_buffer[28];
@ -79,8 +81,6 @@ static uint8_t att_request_buffer[28];
static int att_ir_central_device_db_index = -1;
static int att_ir_lookup_active = 0;
static int att_connection_encrypted;
static btstack_packet_handler_t att_client_packet_handler = NULL;
static void att_event_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
@ -97,9 +97,15 @@ static void att_event_packet_handler (uint8_t packet_type, uint16_t channel, uin
case HCI_EVENT_LE_META:
switch (packet[2]) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
// reset connection MTU
// store address
att_client_addr_type = packet[7];
bt_flip_addr(att_client_address, &packet[8]);
// reset connection properties
att_connection.mtu = 23;
att_connection_encrypted = 0;
att_connection.encryption_key_size = 0;
att_connection.authenticated = 0;
att_connection.authorized = 0;
break;
default:
@ -110,7 +116,9 @@ static void att_event_packet_handler (uint8_t packet_type, uint16_t channel, uin
case HCI_EVENT_ENCRYPTION_CHANGE:
// check handle
if (att_request_handle != READ_BT_16(packet, 3)) break;
att_connection_encrypted = packet[5];
att_connection.encryption_key_size = sm_encryption_key_size(att_client_addr_type, att_client_address);
att_connection.authenticated = sm_authenticated(att_client_addr_type, att_client_address);
att_connection.authorized = 0;
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
@ -118,7 +126,6 @@ static void att_event_packet_handler (uint8_t packet_type, uint16_t channel, uin
// -> avoid sending advertise enable a second time before command complete was received
att_server_state = ATT_SERVER_IDLE;
att_request_handle = 0;
att_connection_encrypted = 0;
break;
case SM_IDENTITY_RESOLVING_STARTED: