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Multiple bug fixes to pass HID tests.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos 2022-09-22 19:23:39 +02:00
parent d2e54b04db
commit e29521fcf6
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GPG key ID: C0095B7870A4CCD3
1 changed files with 30 additions and 11 deletions
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41
src/usb/hid/hid.c
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@ -125,6 +125,7 @@ void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t rep
usb_rx(buffer, bufsize);
}
uint32_t last_cmd_time = 0, last_packet_time = 0;
int ctap_error(uint8_t error) {
ctap_resp = (CTAPHID_FRAME *)usb_get_tx();
memset(ctap_resp, 0, sizeof(CTAPHID_FRAME));
@ -134,6 +135,7 @@ int ctap_error(uint8_t error) {
ctap_resp->init.data[0] = error;
hid_write(64);
usb_clear_rx();
last_packet_time = 0;
return 0;
}
@ -145,10 +147,9 @@ uint32_t lock = 0;
uint8_t thread_type = 0; //1 is APDU, 2 is CBOR
extern void cbor_thread();
extern void init_fido();
uint32_t last_cmd_time = 0, last_packet_time = 0;
int driver_process_usb_nopacket() {
if (last_packet_time+500 < board_millis()) {
if (last_packet_time > 0 && last_packet_time+500 < board_millis()) {
ctap_error(CTAP1_ERR_MSG_TIMEOUT);
last_packet_time = 0;
msg_packet.len = msg_packet.current_len = 0;
@ -165,14 +166,18 @@ int driver_process_usb_packet(uint16_t read) {
memset(ctap_resp, 0, sizeof(CTAPHID_FRAME));
if (ctap_req->cid == 0x0 || (ctap_req->cid == CID_BROADCAST && ctap_req->init.cmd != CTAPHID_INIT))
return ctap_error(CTAP1_ERR_INVALID_CHANNEL);
if (board_millis() < lock && ctap_req->cid != last_req.cid && last_cmd_time+1000 > board_millis())
if (board_millis() < lock && ctap_req->cid != last_req.cid && last_cmd_time+100 > board_millis())
return ctap_error(CTAP1_ERR_CHANNEL_BUSY);
if (FRAME_TYPE(ctap_req) == TYPE_INIT)
{
if (MSG_LEN(ctap_req) > CTAP_MAX_PACKET_SIZE)
return ctap_error(CTAP1_ERR_INVALID_LEN);
if (msg_packet.len > 0 && last_req.cid != ctap_req->cid && last_cmd_time+1000 > board_millis()) //We are in a transaction
return ctap_error(CTAP1_ERR_CHANNEL_BUSY);
if (msg_packet.len > 0 && last_cmd_time+100 > board_millis() && ctap_req->init.cmd != CTAPHID_INIT) {
if (last_req.cid != ctap_req->cid) //We are in a transaction
return ctap_error(CTAP1_ERR_CHANNEL_BUSY);
else
return ctap_error(CTAP1_ERR_INVALID_SEQ);
}
printf("command %x\n", FRAME_CMD(ctap_req));
printf("len %d\n", MSG_LEN(ctap_req));
msg_packet.len = msg_packet.current_len = 0;
@ -196,9 +201,11 @@ int driver_process_usb_packet(uint16_t read) {
memcpy(msg_packet.data + msg_packet.current_len, ctap_req->cont.data, MIN(64 - 5, msg_packet.len - msg_packet.current_len));
msg_packet.current_len += MIN(64 - 5, msg_packet.len - msg_packet.current_len);
memcpy(&last_req, ctap_req, sizeof(CTAPHID_FRAME));
last_seq++;
}
//else // Received a cont from another channel. Silently discard
last_seq++;
else if (last_cmd_time+100 > board_millis())
return ctap_error(CTAP1_ERR_CHANNEL_BUSY);
}
if (ctap_req->init.cmd == CTAPHID_INIT) {
@ -219,7 +226,8 @@ int driver_process_usb_packet(uint16_t read) {
ctap_resp->init.bcntl = 17;
ctap_resp->init.bcnth = 0;
driver_exec_finished(17);
printf("OK\n");
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
}
else if (ctap_req->init.cmd == CTAPHID_WINK) {
if (MSG_LEN(ctap_req) != 0) {
@ -229,6 +237,8 @@ int driver_process_usb_packet(uint16_t read) {
memcpy(ctap_resp, ctap_req, sizeof(CTAPHID_FRAME));
sleep_ms(1000); //For blinking the device during 1 seg
hid_write(64);
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
}
else if ((last_cmd == CTAPHID_PING || last_cmd == CTAPHID_SYNC) && (msg_packet.len == 0 || (msg_packet.len == msg_packet.current_len && msg_packet.len > 0))) {
ctap_resp = (CTAPHID_FRAME *)usb_get_tx();
@ -241,6 +251,7 @@ int driver_process_usb_packet(uint16_t read) {
driver_exec_finished(MSG_LEN(ctap_req));
}
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
}
else if (ctap_req->init.cmd == CTAPHID_LOCK) {
if (MSG_LEN(ctap_req) != 1)
@ -253,6 +264,8 @@ int driver_process_usb_packet(uint16_t read) {
ctap_resp->cid = ctap_req->cid;
ctap_resp->init.cmd = ctap_req->init.cmd;
hid_write(64);
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
}
else if (last_cmd == CTAPHID_MSG && (msg_packet.len == 0 || (msg_packet.len == msg_packet.current_len && msg_packet.len > 0))) {
@ -266,7 +279,8 @@ int driver_process_usb_packet(uint16_t read) {
else
apdu_sent = apdu_process(ctap_req->init.data, MSG_LEN(ctap_req));
DEBUG_PAYLOAD(apdu.data, (int)apdu.nc);
msg_packet.len = msg_packet.current_len = 0; //Reset the transaction
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
}
else if (last_cmd == CTAPHID_CBOR && (msg_packet.len == 0 || (msg_packet.len == msg_packet.current_len && msg_packet.len > 0))) {
@ -277,7 +291,8 @@ int driver_process_usb_packet(uint16_t read) {
apdu_sent = cbor_process(msg_packet.data, msg_packet.len);
else
apdu_sent = cbor_process(ctap_req->init.data, MSG_LEN(ctap_req));
msg_packet.len = msg_packet.current_len = 0; //Reset the transaction
msg_packet.len = msg_packet.current_len = 0;
last_packet_time = 0;
if (apdu_sent < 0)
return ctap_error(-apdu_sent);
}
@ -293,7 +308,7 @@ int driver_process_usb_packet(uint16_t read) {
return apdu_sent;
}
void driver_exec_timeout() {
void send_keepalive() {
ctap_resp = (CTAPHID_FRAME *)usb_get_tx();
memset(ctap_resp, 0, sizeof(CTAPHID_FRAME));
ctap_resp->cid = ctap_req->cid;
@ -305,6 +320,10 @@ void driver_exec_timeout() {
ctap_resp->init.data[0] = bck;
}
void driver_exec_timeout() {
send_keepalive();
}
uint8_t *driver_prepare_response() {
ctap_resp = (CTAPHID_FRAME *)usb_get_tx();
apdu.rdata = ctap_resp->init.data;