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l2cap: send ecbm pending if authentication possible

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This commit is contained in:
Matthias Ringwald 2023-06-23 15:07:16 +02:00
parent 6499cee051
commit b16d0b9c83
1 changed files with 23 additions and 5 deletions
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28
src/l2cap.c
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@ -202,6 +202,7 @@ static void l2cap_ertm_monitor_timeout_callback(btstack_timer_source_t * ts);
static void l2cap_ertm_retransmission_timeout_callback(btstack_timer_source_t * ts);
#endif
#ifdef ENABLE_L2CAP_ENHANCED_CREDIT_BASED_FLOW_CONTROL_MODE
static void l2cap_ecbm_handle_security_level_incoming(l2cap_channel_t *channel);
static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16_t signaling_cid, uint8_t * command, uint8_t sig_id);
static void l2cap_run_trigger_callback(void * context);
#endif
@ -3858,12 +3859,15 @@ static uint8_t l2cap_ecbm_security_status_for_connection_request(hci_con_handle_
return security_status;
}
static void l2cap_ecbm_handle_security_level_incoming_sufficient(l2cap_channel_t * channel){
static void l2cap_ecbm_handle_security_level_incoming(l2cap_channel_t * channel){
// count number of l2cap_channels in state L2CAP_STATE_WAIT_INCOMING_SECURITY_LEVEL_UPDATE with same remote_sig_id
uint8_t sig_id = channel->remote_sig_id;
hci_con_handle_t con_handle = channel->con_handle;
uint8_t num_channels;
uint8_t security_status = l2cap_ecbm_security_status_for_connection_request(channel->con_handle, channel->required_security_level);
bool security_sufficient = security_status == L2CAP_ECBM_CONNECTION_RESULT_ALL_SUCCESS;
uint8_t num_channels = 0;
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &l2cap_channels);
while (btstack_linked_list_iterator_has_next(&it)) {
@ -3872,11 +3876,25 @@ static void l2cap_ecbm_handle_security_level_incoming_sufficient(l2cap_channel_t
if (channel->con_handle != con_handle) continue;
if (channel->remote_sig_id != sig_id) continue;
if (channel->state != L2CAP_STATE_WAIT_INCOMING_SECURITY_LEVEL_UPDATE) continue;
channel->state = L2CAP_STATE_WAIT_CLIENT_ACCEPT_OR_REJECT;
num_channels++;
if (security_sufficient){
channel->state = L2CAP_STATE_WAIT_CLIENT_ACCEPT_OR_REJECT;
} else {
btstack_linked_list_iterator_remove(&it);
btstack_memory_l2cap_channel_free(channel);
}
}
l2cap_ecbm_emit_incoming_connection(channel, num_channels);
if (security_sufficient){
l2cap_ecbm_emit_incoming_connection(channel, num_channels);
} else {
// combine signaling cid and number channels for l2cap_register_signaling_response
uint16_t signaling_cid = L2CAP_CID_SIGNALING;
uint16_t num_channels_and_signaling_cid = (num_channels << 8) | signaling_cid;
l2cap_register_signaling_response(con_handle, L2CAP_CREDIT_BASED_CONNECTION_REQUEST, sig_id,
num_channels_and_signaling_cid, security_status);
}
}
static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16_t signaling_cid, uint8_t *command,
@ -4021,7 +4039,7 @@ static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16
l2cap_register_signaling_response(handle, L2CAP_CREDIT_BASED_CONNECTION_REQUEST, sig_id,
num_channels_and_signaling_cid, L2CAP_ECBM_CONNECTION_RESULT_ALL_PENDING_AUTHENTICATION);
} else {
l2cap_ecbm_handle_security_level_incoming_sufficient(a_channel);
l2cap_ecbm_handle_security_level_incoming(a_channel);
}
} else {