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sm: use IRK prefix for address resolution state

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This commit is contained in:
Matthias Ringwald 2015-08-19 15:03:15 +02:00
parent 9f9b1721e1
commit 7b8f2e5c7a
2 changed files with 17 additions and 17 deletions
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20
ble/sm.c
View File

@ -918,7 +918,7 @@ static void sm_address_resolution_handle_event(address_resolution_event_t event)
sm_connection = (sm_connection_t *) context;
switch (event){
case ADDRESS_RESOLUTION_SUCEEDED:
sm_connection->sm_csrk_lookup_state = CSRK_LOOKUP_SUCCEEDED;
sm_connection->sm_irk_lookup_state = IRK_LOOKUP_SUCCEEDED;
sm_connection->sm_le_db_index = matched_device_id;
log_info("ADDRESS_RESOLUTION_SUCEEDED, index %d", sm_connection->sm_le_db_index);
if (sm_connection->sm_role) break;
@ -933,7 +933,7 @@ static void sm_address_resolution_handle_event(address_resolution_event_t event)
}
break;
case ADDRESS_RESOLUTION_FAILED:
sm_connection->sm_csrk_lookup_state = CSRK_LOOKUP_FAILED;
sm_connection->sm_irk_lookup_state = IRK_LOOKUP_FAILED;
if (sm_connection->sm_role) break;
if (!sm_connection->sm_bonding_requested && !sm_connection->sm_security_request_received) break;
sm_connection->sm_security_request_received = 0;
@ -1040,10 +1040,10 @@ static void sm_run(void){
while(linked_list_iterator_has_next(&it)){
hci_connection_t * hci_connection = (hci_connection_t *) linked_list_iterator_next(&it);
sm_connection_t * sm_connection = &hci_connection->sm_connection;
if (sm_connection->sm_csrk_lookup_state == CSRK_LOOKUP_W4_READY){
if (sm_connection->sm_irk_lookup_state == IRK_LOOKUP_W4_READY){
// and start lookup
sm_address_resolution_start_lookup(sm_connection->sm_peer_addr_type, sm_connection->sm_peer_address, ADDRESS_RESOLUTION_FOR_CONNECTION, sm_connection);
sm_connection->sm_csrk_lookup_state = CSRK_LOOKUP_STARTED;
sm_connection->sm_irk_lookup_state = IRK_LOOKUP_STARTED;
break;
}
}
@ -1746,7 +1746,7 @@ static void sm_event_packet_handler (uint8_t packet_type, uint16_t channel, uint
sm_conn->sm_le_db_index = -1;
// prepare CSRK lookup (does not involve setup)
sm_conn->sm_csrk_lookup_state = CSRK_LOOKUP_W4_READY;
sm_conn->sm_irk_lookup_state = IRK_LOOKUP_W4_READY;
// just connected -> everything else happens in sm_run()
if (sm_conn->sm_role){
@ -1956,11 +1956,11 @@ static void sm_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *pac
sm_pdu_received_in_wrong_state(sm_conn);
break;
}
if (sm_conn->sm_csrk_lookup_state == CSRK_LOOKUP_FAILED){
if (sm_conn->sm_irk_lookup_state == IRK_LOOKUP_FAILED){
sm_conn->sm_engine_state = SM_INITIATOR_PH1_W2_SEND_PAIRING_REQUEST;
break;
}
if (sm_conn->sm_csrk_lookup_state == CSRK_LOOKUP_SUCCEEDED){
if (sm_conn->sm_irk_lookup_state == IRK_LOOKUP_SUCCEEDED){
uint16_t ediv;
le_device_db_encryption_get(sm_conn->sm_le_db_index, &ediv, NULL, NULL, NULL, NULL, NULL);
if (ediv){
@ -2342,11 +2342,11 @@ void sm_request_authorization(uint8_t addr_type, bd_addr_t address){
// used as a trigger to start central/master/initiator security procedures
uint16_t ediv;
if (sm_conn->sm_engine_state == SM_INITIATOR_CONNECTED){
switch (sm_conn->sm_csrk_lookup_state){
case CSRK_LOOKUP_FAILED:
switch (sm_conn->sm_irk_lookup_state){
case IRK_LOOKUP_FAILED:
sm_conn->sm_engine_state = SM_INITIATOR_PH1_W2_SEND_PAIRING_REQUEST;
break;
case CSRK_LOOKUP_SUCCEEDED:
case IRK_LOOKUP_SUCCEEDED:
le_device_db_encryption_get(sm_conn->sm_le_db_index, &ediv, NULL, NULL, NULL, NULL, NULL);
if (ediv){
log_info("sm: Setting up previous ltk/ediv/rand for device index %u", sm_conn->sm_le_db_index);

14
src/hci.h
View File

@ -435,12 +435,12 @@ typedef enum {
} security_manager_state_t;
typedef enum {
CSRK_LOOKUP_IDLE,
CSRK_LOOKUP_W4_READY,
CSRK_LOOKUP_STARTED,
CSRK_LOOKUP_SUCCEEDED,
CSRK_LOOKUP_FAILED
} csrk_lookup_state_t;
IRK_LOOKUP_IDLE,
IRK_LOOKUP_W4_READY,
IRK_LOOKUP_STARTED,
IRK_LOOKUP_SUCCEEDED,
IRK_LOOKUP_FAILED
} irk_lookup_state_t;
// Authorization state
typedef enum {
@ -469,7 +469,7 @@ typedef struct sm_connection {
uint8_t sm_peer_addr_type;
bd_addr_t sm_peer_address;
security_manager_state_t sm_engine_state;
csrk_lookup_state_t sm_csrk_lookup_state;
irk_lookup_state_t sm_irk_lookup_state;
uint8_t sm_connection_encrypted;
uint8_t sm_connection_authenticated; // [0..1]
uint8_t sm_actual_encryption_key_size;