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extract sm_address_resolution_succeeded and _failed

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This commit is contained in:
Matthias Ringwald 2015-08-03 17:43:34 +02:00
parent 6bcbafa869
commit 53544995a3
1 changed files with 44 additions and 35 deletions
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79
ble/sm.c
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@ -852,6 +852,44 @@ static int sm_stk_generation_init(sm_connection_t * sm_conn){
return 0;
}
static void sm_address_resolution_succeeded(void){
sm_connection_t * sm_csrk_connection = (sm_connection_t *) sm_address_resolution_context;
// if context given, we're resolving an active connection
if (sm_csrk_connection){
// re-use stored LTK/EDIV/RAND if requested & we're master
// TODO: replace global with flag in sm_connection_t
if (sm_authenticate_outgoing_connections && sm_csrk_connection->sm_role == 0){
sm_csrk_connection->sm_engine_state = SM_INITIATOR_PH0_HAS_LTK;
log_info("sm: Setting up previous ltk/ediv/rand");
}
// ready for other requests
sm_csrk_connection->sm_csrk_lookup_state = CSRK_LOOKUP_IDLE;
}
sm_address_resolution_context = NULL;
sm_address_resolution_matched = sm_address_resolution_test;
sm_address_resolution_test = -1;
sm_notify_client(SM_IDENTITY_RESOLVING_SUCCEEDED, sm_address_resolution_addr_type, sm_address_resolution_address, 0, sm_address_resolution_matched);
}
static void sm_address_resolution_failed(void){
log_info("LE Device Lookup: not found");
sm_connection_t * sm_csrk_connection = (sm_connection_t *) sm_address_resolution_context;
// if context given, we're resolving an active connection
if (sm_csrk_connection) {
sm_csrk_connection->sm_csrk_lookup_state = CSRK_LOOKUP_IDLE;
}
sm_address_resolution_context = NULL;
sm_address_resolution_test = -1;
sm_notify_client(SM_IDENTITY_RESOLVING_FAILED, sm_address_resolution_addr_type, sm_address_resolution_address, 0, 0);
}
static void sm_run(void){
linked_list_iterator_t it;
@ -946,7 +984,7 @@ static void sm_run(void){
}
// -- Continue with CSRK device lookup by public or resolvable private address
if (sm_address_resolution_test >= 0){
if (!sm_address_resolution_idle()){
log_info("LE Device Lookup: device %u/%u", sm_address_resolution_test, le_device_db_count());
while (sm_address_resolution_test < le_device_db_count()){
int addr_type;
@ -957,24 +995,7 @@ static void sm_run(void){
if (sm_address_resolution_addr_type == addr_type && memcmp(addr, sm_address_resolution_address, 6) == 0){
log_info("LE Device Lookup: found CSRK by { addr_type, address} ");
sm_connection_t * sm_csrk_connection = (sm_connection_t *) sm_address_resolution_context;
sm_address_resolution_context = NULL;
sm_address_resolution_matched = sm_address_resolution_test;
sm_address_resolution_test = -1;
sm_notify_client(SM_IDENTITY_RESOLVING_SUCCEEDED, sm_address_resolution_addr_type, sm_address_resolution_address, 0, sm_address_resolution_matched);
// if context given, we're resolving an active connection
if (!sm_csrk_connection) break;
// re-use stored LTK/EDIV/RAND if requested & we're master
// TODO: replace global with flag in sm_connection_t
if (sm_authenticate_outgoing_connections && sm_csrk_connection->sm_role == 0){
sm_csrk_connection->sm_engine_state = SM_INITIATOR_PH0_HAS_LTK;
log_info("sm: Setting up previous ltk/ediv/rand");
}
// ready for other requests
sm_csrk_connection->sm_csrk_lookup_state = CSRK_LOOKUP_IDLE;
sm_address_resolution_succeeded();
break;
}
@ -997,14 +1018,7 @@ static void sm_run(void){
if (sm_address_resolution_test >= le_device_db_count()){
log_info("LE Device Lookup: not found");
sm_connection_t * sm_csrk_connection = (sm_connection_t *) sm_address_resolution_context;
sm_address_resolution_context = NULL;
sm_address_resolution_test = -1;
sm_notify_client(SM_IDENTITY_RESOLVING_FAILED, sm_address_resolution_addr_type, sm_address_resolution_address, 0, 0);
if (sm_address_resolution_context) {
sm_csrk_connection->sm_csrk_lookup_state = CSRK_LOOKUP_IDLE;
}
sm_address_resolution_failed();
}
}
@ -1365,20 +1379,15 @@ static void sm_handle_encryption_result(uint8_t * data){
uint8_t hash[3];
swap24(data, hash);
if (memcmp(&sm_address_resolution_address[3], hash, 3) == 0){
// found
sm_address_resolution_matched = sm_address_resolution_test;
sm_address_resolution_test = -1;
sm_connection_t * sm_csrk_connection = (sm_connection_t *) sm_address_resolution_context;
sm_address_resolution_context = NULL;
sm_csrk_connection->sm_csrk_lookup_state = CSRK_LOOKUP_IDLE;
sm_notify_client(SM_IDENTITY_RESOLVING_SUCCEEDED, sm_address_resolution_addr_type, sm_address_resolution_address, 0, sm_address_resolution_matched);
log_info("LE Device Lookup: matched resolvable private address");
sm_address_resolution_succeeded();
return;
}
// no match
// no match, try next
sm_address_resolution_test++;
return;
}
switch (dkg_state){
case DKG_W4_IRK:
swap128(data, sm_persistent_irk);