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sm: allow to simulate pairing failures for testing (requires ENABLE_TESTING_SUPPORT)

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This commit is contained in:
Matthias Ringwald 2018-03-27 14:40:31 +02:00
parent fb34235af3
commit 192365fe94
2 changed files with 40 additions and 0 deletions
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36
src/ble/sm.c
View File

@ -197,6 +197,10 @@ typedef uint8_t sm_key256_t[32];
static uint8_t test_use_fixed_local_csrk;
#ifdef ENABLE_TESTING_SUPPORT
static uint8_t test_pairing_failure;
#endif
// configuration
static uint8_t sm_accepted_stk_generation_methods;
static uint8_t sm_max_encryption_key_size;
@ -2105,6 +2109,13 @@ static void sm_run(void){
// recover pairing request
memcpy(&setup->sm_m_preq, &sm_connection->sm_m_preq, sizeof(sm_pairing_packet_t));
err = sm_stk_generation_init(sm_connection);
#ifdef ENABLE_TESTING_SUPPORT
if (test_pairing_failure < SM_REASON_DHKEY_CHECK_FAILED){
log_info("testing_support: respond with pairing failure %u", test_pairing_failure);
err = test_pairing_failure;
}
#endif
if (err){
setup->sm_pairing_failed_reason = err;
sm_connection->sm_engine_state = SM_GENERAL_SEND_PAIRING_FAILED;
@ -3545,6 +3556,13 @@ static void sm_pdu_handler(uint8_t packet_type, hci_con_handle_t con_handle, uin
// store s_confirm
reverse_128(&packet[1], setup->sm_peer_confirm);
#ifdef ENABLE_TESTING_SUPPORT
if (test_pairing_failure == SM_REASON_CONFIRM_VALUE_FAILED){
log_info("testing_support: reset confirm value");
memset(setup->sm_peer_confirm, 0, 16);
}
#endif
sm_conn->sm_engine_state = SM_PH2_SEND_PAIRING_RANDOM;
break;
@ -3660,6 +3678,12 @@ static void sm_pdu_handler(uint8_t packet_type, hci_con_handle_t con_handle, uin
// received confirm value
reverse_128(&packet[1], setup->sm_peer_confirm);
#ifdef ENABLE_TESTING_SUPPORT
if (test_pairing_failure == SM_REASON_CONFIRM_VALUE_FAILED){
log_info("testing_support: reset confirm value");
memset(setup->sm_peer_confirm, 0, 16);
}
#endif
if (IS_RESPONDER(sm_conn->sm_role)){
// responder
if (sm_passkey_used(setup->sm_stk_generation_method)){
@ -3735,6 +3759,12 @@ static void sm_pdu_handler(uint8_t packet_type, hci_con_handle_t con_handle, uin
// received confirm value
reverse_128(&packet[1], setup->sm_peer_confirm);
#ifdef ENABLE_TESTING_SUPPORT
if (test_pairing_failure == SM_REASON_CONFIRM_VALUE_FAILED){
log_info("testing_support: reset confirm value");
memset(setup->sm_peer_confirm, 0, 16);
}
#endif
// notify client to hide shown passkey
if (setup->sm_stk_generation_method == PK_INIT_INPUT){
sm_notify_client_base(SM_EVENT_PASSKEY_DISPLAY_CANCEL, sm_conn->sm_handle, sm_conn->sm_peer_addr_type, sm_conn->sm_peer_address);
@ -3890,6 +3920,12 @@ void sm_test_use_fixed_local_csrk(void){
test_use_fixed_local_csrk = 1;
}
#ifdef ENABLE_TESTING_SUPPORT
void sm_test_set_pairing_failure(int reason){
test_pairing_failure = reason;
}
#endif
void sm_init(void){
// set some (BTstack default) ER and IR
int i;

4
src/ble/sm.h
View File

@ -249,6 +249,10 @@ void sm_test_set_irk(sm_key_t irk);
void sm_test_use_fixed_local_csrk(void);
void sm_test_use_fixed_ec_keypair(void);
#ifdef ENABLE_TESTING_SUPPORT
void sm_test_set_pairing_failure(int reason);
#endif
#if defined __cplusplus
}
#endif