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apps: bttester: reject L2CAP connections basing on PSM only

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PSM on which Lower Tester requests connection fully defines
what are requirements for request to be accepted. That means
that `response` parameter should not be used to return errors
from `tester_l2cap_event`, and is not needed.
This commit is contained in:
Krzysztof Kopyściński
2023-06-19 16:14:06 +02:00
committed by Szymon Janc
parent 20a82a5de3
commit 841fa4c7e6
1 changed files with 7 additions and 52 deletions
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apps/bttester/src/l2cap.c
+7 -52
View File
@@ -261,7 +261,6 @@ static int
tester_l2cap_event(struct ble_l2cap_event *event, void *arg)
{
struct ble_l2cap_chan_info chan_info;
int accept_response;
struct ble_gap_conn_desc conn;
switch (event->type) {
@@ -321,11 +320,12 @@ tester_l2cap_event(struct ble_l2cap_event *event, void *arg)
if (conn.sec_state.key_size < 16) {
return BLE_HS_EENCRYPT_KEY_SZ;
}
}
accept_response = POINTER_TO_INT(arg);
if (accept_response) {
return accept_response;
} else if (chan_info.psm == 0x00F5) {
/* TSPX_psm_encryption_required */
ble_gap_conn_find(event->accept.conn_handle, &conn);
if (conn.sec_state.key_size == 0) {
return BLE_HS_EENCRYPT;
}
}
console_printf(
@@ -563,52 +563,11 @@ fail:
BTP_STATUS_FAILED);
}
static int
l2cap_coc_err2hs_err(uint16_t coc_err)
{
switch (coc_err) {
case BLE_L2CAP_COC_ERR_UNKNOWN_LE_PSM:
return BLE_HS_ENOTSUP;
case BLE_L2CAP_COC_ERR_NO_RESOURCES:
return BLE_HS_ENOMEM;
case BLE_L2CAP_COC_ERR_INSUFFICIENT_AUTHEN:
return BLE_HS_EAUTHEN;
case BLE_L2CAP_COC_ERR_INSUFFICIENT_AUTHOR:
return BLE_HS_EAUTHOR;
case BLE_L2CAP_COC_ERR_INSUFFICIENT_ENC:
return BLE_HS_EENCRYPT;
case BLE_L2CAP_COC_ERR_INSUFFICIENT_KEY_SZ:
return BLE_HS_EENCRYPT_KEY_SZ;
case BLE_L2CAP_COC_ERR_UNACCEPTABLE_PARAMETERS:
return BLE_HS_EINVAL;
default:
return 0;
}
}
static int
l2cap_btp_listen_err2coc_err(uint16_t coc_err)
{
switch (coc_err) {
case 0x01:
return BLE_L2CAP_COC_ERR_INSUFFICIENT_AUTHEN;
case 0x02:
return BLE_L2CAP_COC_ERR_INSUFFICIENT_AUTHOR;
case 0x03:
return BLE_L2CAP_COC_ERR_INSUFFICIENT_KEY_SZ;
case 0x04:
return BLE_L2CAP_COC_ERR_INSUFFICIENT_ENC;
default:
return 0;
}
}
static void
listen(const uint8_t *data, uint16_t len)
{
const struct l2cap_listen_cmd *cmd = (void *) data;
uint16_t mtu = htole16(cmd->mtu);
uint16_t rsp = htole16(cmd->response);
int rc;
SYS_LOG_DBG("");
@@ -617,12 +576,8 @@ listen(const uint8_t *data, uint16_t len)
mtu = TESTER_COC_MTU;
}
rsp = l2cap_btp_listen_err2coc_err(rsp);
rsp = l2cap_coc_err2hs_err(rsp);
/* TODO: Handle cmd->transport flag */
rc = ble_l2cap_create_server(cmd->psm, mtu, tester_l2cap_event,
INT_TO_POINTER(rsp));
rc = ble_l2cap_create_server(cmd->psm, mtu, tester_l2cap_event, NULL);
if (rc) {
goto fail;
}