void fsm_msgEstimateTxSize(EstimateTxSize *msg)
{
RESP_INIT(TxSize);
resp->has_tx_size = true;
resp->tx_size = transactionEstimateSize(msg->inputs_count, msg->outputs_count);
msg_write(MessageType_MessageType_TxSize, resp);
}
void fsm_msgGetAddress(GetAddress *msg)
{
RESP_INIT(Address);
HDNode *node = fsm_getRootNode();
if (!node) return;
const CoinType *coin = coinByName(msg->coin_name);
if (!coin) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid coin name");
layoutHome();
return;
}
fsm_deriveKey(node, msg->address_n, msg->address_n_count);
ecdsa_get_address(node->public_key, coin->address_type, resp->address);
if (msg->has_show_display && msg->show_display) {
layoutAddress(resp->address);
if (!protectButton(ButtonRequestType_ButtonRequest_Address, true)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
layoutHome();
return;
}
}
msg_write(MessageType_MessageType_Address, resp);
layoutHome();
}
/*---------------------------------------------------------------------------*/
static int on_request(struct xio_session *session, struct xio_msg *req,
int more_in_batch, void *cb_user_context)
{
struct xio_msg *rsp;
/* process request */
process_request(req);
/* alloc transaction */
rsp = msg_pool_get(pool);
rsp->request = req;
rsp->more_in_batch = 0;
/* fill response */
msg_write(&msg_params, rsp,
test_config.hdr_len,
1, test_config.data_len);
if (xio_send_response(rsp) == -1) {
printf("**** [%p] Error - xio_send_msg failed. %s\n",
session, xio_strerror(xio_errno()));
msg_pool_put(pool, rsp);
}
return 0;
}
void next_word(void) {
word_pos = word_order[word_index];
if (word_pos == 0) {
const char * const *wl = mnemonic_wordlist();
strlcpy(fake_word, wl[random_uniform(2048)], sizeof(fake_word));
layoutDialogSwipe(DIALOG_ICON_INFO, NULL, NULL, NULL, "Please enter the word", NULL, fake_word, NULL, "on your computer", NULL);
} else {
fake_word[0] = 0;
char desc[] = "##th word";
if (word_pos < 10) {
desc[0] = ' ';
} else {
desc[0] = '0' + word_pos / 10;
}
desc[1] = '0' + word_pos % 10;
if (word_pos == 1 || word_pos == 21) {
desc[2] = 's'; desc[3] = 't';
} else
if (word_pos == 2 || word_pos == 22) {
desc[2] = 'n'; desc[3] = 'd';
} else
if (word_pos == 3 || word_pos == 23) {
desc[2] = 'r'; desc[3] = 'd';
}
layoutDialogSwipe(DIALOG_ICON_INFO, NULL, NULL, NULL, "Please enter the", NULL, (word_pos < 10 ? desc + 1 : desc), NULL, "of your mnemonic", NULL);
}
WordRequest resp;
memset(&resp, 0, sizeof(WordRequest));
msg_write(MessageType_MessageType_WordRequest, &resp);
}
/*---------------------------------------------------------------------------*/
static int on_request(struct xio_session *session,
struct xio_msg *req,
int more_in_batch,
void *cb_prv_data)
{
struct xio_msg *rsp;
if (req->status)
printf("**** request completed with error. [%s]\n",
xio_strerror(req->status));
/* process request */
process_request(req);
/* alloc transaction */
rsp = msg_pool_get(pool);
rsp->request = req;
rsp->more_in_batch = 0;
/* fill response */
msg_write(rsp, "hello world response header", test_config.hdr_len,
"hello world response data", test_config.data_len);
if (xio_send_response(rsp) == -1) {
printf("**** [%p] Error - xio_send_msg failed. %s\n",
session, xio_strerror(xio_errno()));
msg_pool_put(pool, req);
}
return 0;
}
void fsm_msgInitialize(Initialize *msg)
{
(void)msg;
recovery_abort();
signing_abort();
RESP_INIT(Features);
resp->has_vendor = true; strlcpy(resp->vendor, "bitcointrezor.com", sizeof(resp->vendor));
resp->has_major_version = true; resp->major_version = VERSION_MAJOR;
resp->has_minor_version = true; resp->minor_version = VERSION_MINOR;
resp->has_patch_version = true; resp->patch_version = VERSION_PATCH;
resp->has_device_id = true; strlcpy(resp->device_id, storage_uuid_str, sizeof(resp->device_id));
resp->has_pin_protection = true; resp->pin_protection = storage.has_pin;
resp->has_passphrase_protection = true; resp->passphrase_protection = storage.has_passphrase_protection && storage.passphrase_protection;
#ifdef SCM_REVISION
int len = sizeof(SCM_REVISION) - 1;
resp->has_revision = true; memcpy(resp->revision.bytes, SCM_REVISION, len); resp->revision.size = len;
#endif
resp->has_bootloader_hash = true; resp->bootloader_hash.size = memory_bootloader_hash(resp->bootloader_hash.bytes);
if (storage.has_language) {
resp->has_language = true;
strlcpy(resp->language, storage.language, sizeof(resp->language));
}
if (storage.has_label) {
resp->has_label = true;
strlcpy(resp->label, storage.label, sizeof(resp->label));
}
resp->coins_count = COINS_COUNT;
memcpy(resp->coins, coins, COINS_COUNT * sizeof(CoinType));
resp->has_initialized = true; resp->initialized = storage_isInitialized();
resp->has_imported = true; resp->imported = storage.has_imported && storage.imported;
msg_write(MessageType_MessageType_Features, resp);
}
const char *requestPin(PinMatrixRequestType type, const char *text)
{
PinMatrixRequest resp;
memset(&resp, 0, sizeof(PinMatrixRequest));
resp.has_type = true;
resp.type = type;
usbTiny(1);
msg_write(MessageType_MessageType_PinMatrixRequest, &resp);
pinmatrix_start(text);
for (;;) {
usbPoll();
if (msg_tiny_id == MessageType_MessageType_PinMatrixAck) {
msg_tiny_id = 0xFFFF;
PinMatrixAck *pma = (PinMatrixAck *)msg_tiny;
pinmatrix_done(pma->pin); // convert via pinmatrix
usbTiny(0);
return pma->pin;
}
if (msg_tiny_id == MessageType_MessageType_Cancel || msg_tiny_id == MessageType_MessageType_Initialize) {
pinmatrix_done(0);
if (msg_tiny_id == MessageType_MessageType_Initialize) {
protectAbortedByInitialize = true;
}
msg_tiny_id = 0xFFFF;
usbTiny(0);
return 0;
}
#if DEBUG_LINK
if (msg_tiny_id == MessageType_MessageType_DebugLinkGetState) {
msg_tiny_id = 0xFFFF;
fsm_msgDebugLinkGetState((DebugLinkGetState *)msg_tiny);
}
#endif
}
}
void fsm_msgSignMessage(SignMessage *msg)
{
RESP_INIT(MessageSignature);
layoutSignMessage(msg->message.bytes, msg->message.size);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Sign message cancelled");
layoutHome();
return;
}
if (!protectPin(true)) {
layoutHome();
return;
}
const CoinType *coin = fsm_getCoin(msg->coin_name);
if (!coin) return;
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if (!node) return;
layoutProgressSwipe("Signing", 0);
if (cryptoMessageSign(msg->message.bytes, msg->message.size, node->private_key, resp->signature.bytes) == 0) {
resp->has_address = true;
uint8_t addr_raw[21];
ecdsa_get_address_raw(node->public_key, coin->address_type, addr_raw);
base58_encode_check(addr_raw, 21, resp->address, sizeof(resp->address));
resp->has_signature = true;
resp->signature.size = 65;
msg_write(MessageType_MessageType_MessageSignature, resp);
} else {
fsm_sendFailure(FailureType_Failure_Other, "Error signing message");
}
layoutHome();
}
void fsm_msgPing(Ping *msg)
{
RESP_INIT(Success);
if (msg->has_button_protection && msg->button_protection) {
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm", NULL, "Do you really want to", "answer to ping?", NULL, NULL, NULL, NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Ping cancelled");
layoutHome();
return;
}
}
if (msg->has_pin_protection && msg->pin_protection) {
if (!protectPin(true)) {
layoutHome();
return;
}
}
if (msg->has_passphrase_protection && msg->passphrase_protection) {
if (!protectPassphrase()) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Ping cancelled");
return;
}
}
if (msg->has_message) {
resp->has_message = true;
memcpy(&(resp->message), &(msg->message), sizeof(resp->message));
}
msg_write(MessageType_MessageType_Success, resp);
layoutHome();
}
void fsm_msgGetPublicKey(GetPublicKey *msg)
{
RESP_INIT(PublicKey);
if (!storage_is_initialized())
{
fsm_sendFailure(FailureType_Failure_NotInitialized, "Device not initialized");
return;
}
if(!pin_protect_cached())
{
go_home();
return;
}
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if(!node) { return; }
uint8_t public_key[33]; // copy public key to temporary buffer
memcpy(public_key, node->public_key, sizeof(public_key));
if(msg->has_ecdsa_curve_name)
{
const ecdsa_curve *curve = get_curve_by_name(msg->ecdsa_curve_name);
if(curve)
{
// correct public key (since fsm_getDerivedNode uses secp256k1 curve)
ecdsa_get_public_key33(curve, node->private_key, public_key);
}
}
resp->node.depth = node->depth;
resp->node.fingerprint = node->fingerprint;
resp->node.child_num = node->child_num;
resp->node.chain_code.size = 32;
memcpy(resp->node.chain_code.bytes, node->chain_code, 32);
resp->node.has_private_key = false;
resp->node.has_public_key = true;
resp->node.public_key.size = 33;
memcpy(resp->node.public_key.bytes, public_key, 33);
resp->has_xpub = true;
hdnode_serialize_public(node, resp->xpub, sizeof(resp->xpub));
if(msg->has_show_display && msg->show_display)
{
if(!confirm_xpub(resp->xpub))
{
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show extended public key cancelled");
go_home();
return;
}
}
msg_write(MessageType_MessageType_PublicKey, resp);
go_home();
}
void fsm_msgGetAddress(GetAddress *msg)
{
RESP_INIT(Address);
if (!protectPin(true)) {
layoutHome();
return;
}
const CoinType *coin = fsm_getCoin(msg->coin_name);
if (!coin) return;
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if (!node) return;
if (msg->has_multisig) {
layoutProgressSwipe("Preparing", 0);
if (cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0) {
fsm_sendFailure(FailureType_Failure_Other, "Pubkey not found in multisig script");
layoutHome();
return;
}
uint8_t buf[32];
if (compile_script_multisig_hash(&(msg->multisig), buf) == 0) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
layoutHome();
return;
}
ripemd160(buf, 32, buf + 1);
buf[0] = coin->address_type_p2sh; // multisig cointype
base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
} else {
ecdsa_get_address(node->public_key, coin->address_type, resp->address, sizeof(resp->address));
}
if (msg->has_show_display && msg->show_display) {
char desc[16];
if (msg->has_multisig) {
strlcpy(desc, "Msig __ of __:", sizeof(desc));
const uint32_t m = msg->multisig.m;
const uint32_t n = msg->multisig.pubkeys_count;
desc[5] = (m < 10) ? ' ': ('0' + (m / 10));
desc[6] = '0' + (m % 10);
desc[11] = (n < 10) ? ' ': ('0' + (n / 10));
desc[12] = '0' + (n % 10);
} else {
strlcpy(desc, "Address:", sizeof(desc));
}
layoutAddress(resp->address, desc);
if (!protectButton(ButtonRequestType_ButtonRequest_Address, true)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
layoutHome();
return;
}
}
msg_write(MessageType_MessageType_Address, resp);
layoutHome();
}
/*---------------------------------------------------------------------------*/
static int on_message_delivered(struct xio_session *session,
struct xio_msg *msg,
int last_in_rxq,
void *cb_user_context)
{
struct ow_test_params *ow_params =
(struct ow_test_params *)cb_user_context;
struct xio_msg *new_msg;
process_tx_message(ow_params, msg);
ow_params->ndelivered++;
/* can be safely returned to pool */
msg_pool_put(ow_params->pool, msg);
if (ow_params->finite_run) {
if (ow_params->ndelivered == ow_params->disconnect_nr) {
xio_disconnect(ow_params->conn);
return 0;
}
if (ow_params->nsent == ow_params->disconnect_nr)
return 0;
}
/* peek message from the pool */
new_msg = msg_pool_get(ow_params->pool);
if (new_msg == NULL) {
printf("pool is empty\n");
return 0;
}
/* assign buffers to the message */
msg_write(&ow_params->msg_params, new_msg,
test_config.hdr_len,
1, test_config.data_len);
/*
* ask for receipt since we need to put the message back
* to pool
*/
new_msg->flags = XIO_MSG_FLAG_REQUEST_READ_RECEIPT;
/* send it */
if (xio_send_msg(ow_params->conn, new_msg) == -1) {
if (xio_errno() != EAGAIN)
printf("**** [%p] Error - xio_send_msg " \
"failed. %s\n",
session,
xio_strerror(xio_errno()));
msg_pool_put(ow_params->pool, new_msg);
xio_assert(0);
}
ow_params->nsent++;
return 0;
}
void fsm_sendSuccess(const char *text)
{
RESP_INIT(Success);
if (text) {
resp->has_message = true;
strlcpy(resp->message, text, sizeof(resp->message));
}
msg_write(MessageType_MessageType_Success, resp);
}
void fsm_msgCipherKeyValue(CipherKeyValue *msg)
{
if (!msg->has_key) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No key provided");
return;
}
if (!msg->has_value) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No value provided");
return;
}
if (msg->value.size % 16) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "Value length must be a multiple of 16");
return;
}
if (!protectPin(true)) {
layoutHome();
return;
}
HDNode *node = fsm_getRootNode();
if (!node) return;
fsm_deriveKey(node, msg->address_n, msg->address_n_count);
bool encrypt = msg->has_encrypt && msg->encrypt;
bool ask_on_encrypt = msg->has_ask_on_encrypt && msg->ask_on_encrypt;
bool ask_on_decrypt = msg->has_ask_on_decrypt && msg->ask_on_decrypt;
if ((encrypt && ask_on_encrypt) || (!encrypt && ask_on_decrypt)) {
layoutCipherKeyValue(encrypt, msg->key);
if (!protectButton(ButtonRequestType_ButtonRequest_Other, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "CipherKeyValue cancelled");
layoutHome();
return;
}
}
uint8_t data[256 + 4];
strlcpy((char *)data, msg->key, sizeof(data));
strlcat((char *)data, ask_on_encrypt ? "E1" : "E0", sizeof(data));
strlcat((char *)data, ask_on_decrypt ? "D1" : "D0", sizeof(data));
hmac_sha512(node->private_key, 32, data, strlen((char *)data), data);
RESP_INIT(Success);
if (encrypt) {
aes_encrypt_ctx ctx;
aes_encrypt_key256(data, &ctx);
aes_cbc_encrypt(msg->value.bytes, resp->payload.bytes, msg->value.size, data + 32, &ctx);
} else {
aes_decrypt_ctx ctx;
aes_decrypt_key256(data, &ctx);
aes_cbc_decrypt(msg->value.bytes, resp->payload.bytes, msg->value.size, data + 32, &ctx);
}
resp->has_payload = true;
resp->payload.size = msg->value.size;
msg_write(MessageType_MessageType_Success, resp);
layoutHome();
}
void send_req_5_output(void)
{
signing_stage = STAGE_REQUEST_5_OUTPUT;
resp.has_request_type = true;
resp.request_type = RequestType_TXOUTPUT;
resp.has_details = true;
resp.details.has_request_index = true;
resp.details.request_index = idx1;
msg_write(MessageType_MessageType_TxRequest, &resp);
}
void fsm_msgEncryptMessage(EncryptMessage *msg)
{
if (!msg->has_pubkey) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No public key provided");
return;
}
if (!msg->has_message) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No message provided");
return;
}
curve_point pubkey;
if (msg->pubkey.size != 33 || ecdsa_read_pubkey(&secp256k1, msg->pubkey.bytes, &pubkey) == 0) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "Invalid public key provided");
return;
}
bool display_only = msg->has_display_only && msg->display_only;
bool signing = msg->address_n_count > 0;
RESP_INIT(EncryptedMessage);
const CoinType *coin = 0;
const HDNode *node = 0;
uint8_t address_raw[21];
if (signing) {
coin = coinByName(msg->coin_name);
if (!coin) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid coin name");
return;
}
if (!protectPin(true)) {
layoutHome();
return;
}
node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if (!node) return;
uint8_t public_key[33];
ecdsa_get_public_key33(&secp256k1, node->private_key, public_key);
ecdsa_get_address_raw(public_key, coin->address_type, address_raw);
}
layoutEncryptMessage(msg->message.bytes, msg->message.size, signing);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Encrypt message cancelled");
layoutHome();
return;
}
layoutProgressSwipe("Encrypting", 0);
if (cryptoMessageEncrypt(&pubkey, msg->message.bytes, msg->message.size, display_only, resp->nonce.bytes, &(resp->nonce.size), resp->message.bytes, &(resp->message.size), resp->hmac.bytes, &(resp->hmac.size), signing ? node->private_key : 0, signing ? address_raw : 0) != 0) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Error encrypting message");
layoutHome();
return;
}
resp->has_nonce = true;
resp->has_message = true;
resp->has_hmac = true;
msg_write(MessageType_MessageType_EncryptedMessage, resp);
layoutHome();
}
void send_req_2_prev_meta(void)
{
signing_stage = STAGE_REQUEST_2_PREV_META;
resp.has_request_type = true;
resp.request_type = RequestType_TXMETA;
resp.has_details = true;
resp.details.has_tx_hash = true;
resp.details.tx_hash.size = input.prev_hash.size;
memcpy(resp.details.tx_hash.bytes, input.prev_hash.bytes, input.prev_hash.size);
msg_write(MessageType_MessageType_TxRequest, &resp);
}
/*---------------------------------------------------------------------------*/
static int on_response(struct xio_session *session, struct xio_msg *rsp,
int more_in_batch, void *cb_user_context)
{
struct xio_iovec_ex *sglist;
process_response(rsp);
/* message is no longer needed */
xio_release_response(rsp);
nrecv++;
if (test_config.finite_run) {
if (nrecv == disconnect_nr) {
xio_disconnect(conn);
return 0;
}
if (nrecv > disconnect_nr || nsent == disconnect_nr)
return 0;
}
/* reset message */
rsp->in.header.iov_base = NULL;
rsp->in.header.iov_len = 0;
sglist = vmsg_sglist(&rsp->in);
vmsg_sglist_set_nents(&rsp->in, 1);
sglist[0].iov_base = NULL;
sglist[0].iov_len = ONE_MB;
sglist[0].mr = NULL;
rsp->sn = 0;
rsp->more_in_batch = 0;
do {
/* recycle the message and fill new request */
msg_write(&msg_params, rsp,
test_config.hdr_len,
1, test_config.data_len);
/* try to send it */
if (xio_send_request(conn, rsp) == -1) {
if (xio_errno() != EAGAIN)
printf("**** [%p] Error - xio_send_msg " \
"failed %s\n",
session,
xio_strerror(xio_errno()));
msg_pool_put(pool, rsp);
xio_assert(0);
}
nsent++;
} while (0);
return 0;
}
void fsm_msgDecryptMessage(DecryptMessage *msg)
{
if (!msg->has_nonce) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No nonce provided");
return;
}
if (!msg->has_message) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No message provided");
return;
}
if (!msg->has_hmac) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "No message hmac provided");
return;
}
curve_point nonce_pubkey;
if (msg->nonce.size != 33 || ecdsa_read_pubkey(&secp256k1, msg->nonce.bytes, &nonce_pubkey) == 0) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "Invalid nonce provided");
return;
}
if (!protectPin(true)) {
layoutHome();
return;
}
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if (!node) return;
layoutProgressSwipe("Decrypting", 0);
RESP_INIT(DecryptedMessage);
bool display_only = false;
bool signing = false;
uint8_t address_raw[21];
if (cryptoMessageDecrypt(&nonce_pubkey, msg->message.bytes, msg->message.size, msg->hmac.bytes, msg->hmac.size, node->private_key, resp->message.bytes, &(resp->message.size), &display_only, &signing, address_raw) != 0) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Error decrypting message");
layoutHome();
return;
}
if (signing) {
base58_encode_check(address_raw, 21, resp->address, sizeof(resp->address));
}
layoutDecryptMessage(resp->message.bytes, resp->message.size, signing ? resp->address : 0);
protectButton(ButtonRequestType_ButtonRequest_Other, true);
if (display_only) {
resp->has_address = false;
resp->has_message = false;
memset(resp->address, 0, sizeof(resp->address));
memset(&(resp->message), 0, sizeof(resp->message));
} else {
resp->has_address = signing;
resp->has_message = true;
}
msg_write(MessageType_MessageType_DecryptedMessage, resp);
layoutHome();
}
void send_req_2_prev_output(void)
{
signing_stage = STAGE_REQUEST_2_PREV_OUTPUT;
resp.has_request_type = true;
resp.request_type = RequestType_TXOUTPUT;
resp.has_details = true;
resp.details.has_request_index = true;
resp.details.request_index = idx2;
resp.details.has_tx_hash = true;
resp.details.tx_hash.size = input.prev_hash.size;
memcpy(resp.details.tx_hash.bytes, input.prev_hash.bytes, resp.details.tx_hash.size);
msg_write(MessageType_MessageType_TxRequest, &resp);
}
static int msg_write_buf32(msg_t *m, void *buf, uint32_t len) {
int r;
r = msg_write_u32(m, len);
if (r)
return r;
r = msg_write(m, buf, len);
if (r)
return r;
return 0;
}
void fsm_msgSignMessage(SignMessage *msg)
{
RESP_INIT(MessageSignature);
if (!storage_is_initialized())
{
fsm_sendFailure(FailureType_Failure_NotInitialized, "Device not initialized");
return;
}
if(!confirm(ButtonRequestType_ButtonRequest_SignMessage, "Sign Message",
(char *)msg->message.bytes))
{
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Sign message cancelled");
go_home();
return;
}
if(!pin_protect_cached())
{
go_home();
return;
}
const CoinType *coin = fsm_getCoin(msg->coin_name);
if(!coin) { return; }
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if(!node) { return; }
if(cryptoMessageSign(coin, msg->message.bytes, msg->message.size, node->private_key,
resp->signature.bytes) == 0)
{
resp->has_address = true;
uint8_t addr_raw[21];
ecdsa_get_address_raw(node->public_key, coin->address_type, addr_raw);
base58_encode_check(addr_raw, 21, resp->address, sizeof(resp->address));
resp->has_signature = true;
resp->signature.size = 65;
msg_write(MessageType_MessageType_MessageSignature, resp);
}
else
{
fsm_sendFailure(FailureType_Failure_Other, "Error signing message");
}
go_home();
}
/*---------------------------------------------------------------------------*/
static int on_response(struct xio_session *session,
struct xio_msg *msg,
int more_in_batch,
void *cb_user_context)
{
process_response(msg);
if (msg->status)
printf("**** message completed with error. [%s]\n",
xio_strerror(msg->status));
/* message is no longer needed */
xio_release_response(msg);
/* reset message */
msg->in.header.iov_base = NULL;
msg->in.header.iov_len = 0;
msg->in.data_iovlen = 1;
msg->in.data_iov[0].iov_base = NULL;
msg->in.data_iov[0].iov_len = ONE_MB;
msg->in.data_iov[0].mr = NULL;
msg->sn = 0;
msg->more_in_batch = 0;
do {
/* recycle the message and fill new request */
msg_write(msg,
"hello world request header",
test_config.hdr_len,
"hello world request data",
test_config.data_len);
/* try to send it */
if (xio_send_request(conn, msg) == -1) {
if (xio_errno() != EAGAIN)
printf("**** [%p] Error - xio_send_msg " \
"failed %s\n",
session,
xio_strerror(xio_errno()));
msg_pool_put(pool, msg);
return 0;
}
} while (0);
return 0;
}
/*---------------------------------------------------------------------------*/
static int on_new_session(struct xio_session *session,
struct xio_new_session_req *req,
void *cb_user_context)
{
int i = 0;
struct ow_test_params *ow_params = cb_user_context;
struct xio_msg *msg;
printf("**** [%p] on_new_session :%s:%d\n", session,
get_ip((struct sockaddr *)&req->src_addr),
get_port((struct sockaddr *)&req->src_addr));
xio_accept(session, NULL, 0, NULL, 0);
if (ow_params->connection == NULL)
ow_params->connection = xio_get_connection(session,
ow_params->ctx);
for (i = 0; i < MAX_OUTSTANDING_REQS; i++) {
/* pick message from the pool */
msg = msg_pool_get(ow_params->pool);
if (msg == NULL)
break;
/* assign buffers to the message */
msg_write(&ow_params->msg_params, msg,
NULL, test_config.hdr_len,
NULL, test_config.data_len);
/* ask for read receipt since the message needed to be
* recycled to the pool */
msg->flags = XIO_MSG_FLAG_REQUEST_READ_RECEIPT;
/* send the message */
if (xio_send_msg(ow_params->connection, msg) == -1) {
printf("**** sent %d messages\n", i);
if (xio_errno() != EAGAIN)
printf("**** [%p] Error - xio_send_msg " \
"failed. %s\n",
session,
xio_strerror(xio_errno()));
msg_pool_put(ow_params->pool, msg);
return 0;
}
ow_params->nsent++;
}
return 0;
}
void fsm_sendFailure(FailureType code, const char *text)
{
if (protectAbortedByInitialize) {
fsm_msgInitialize((Initialize *)0);
protectAbortedByInitialize = false;
return;
}
RESP_INIT(Failure);
resp->has_code = true;
resp->code = code;
if (text) {
resp->has_message = true;
strlcpy(resp->message, text, sizeof(resp->message));
}
msg_write(MessageType_MessageType_Failure, resp);
}
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection,
bool pin_protection, const char *language, const char *label)
{
if(_strength != 128 && _strength != 192 && _strength != 256)
{
fsm_sendFailure(FailureType_Failure_SyntaxError,
"Invalid strength (has to be 128, 192 or 256 bits)");
go_home();
return;
}
strength = _strength;
random_buffer(int_entropy, 32);
char ent_str[4][17];
data2hex(int_entropy , 8, ent_str[0]);
data2hex(int_entropy + 8, 8, ent_str[1]);
data2hex(int_entropy + 16, 8, ent_str[2]);
data2hex(int_entropy + 24, 8, ent_str[3]);
if(display_random)
{
if(!confirm(ButtonRequestType_ButtonRequest_ResetDevice,
"Internal Entropy", "%s %s %s %s", ent_str[0], ent_str[1], ent_str[2], ent_str[3]))
{
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Reset cancelled");
go_home();
return;
}
}
if(pin_protection && !change_pin())
{
go_home();
return;
}
storage_set_passphrase_protected(passphrase_protection);
storage_set_language(language);
storage_set_label(label);
EntropyRequest resp;
memset(&resp, 0, sizeof(EntropyRequest));
msg_write(MessageType_MessageType_EntropyRequest, &resp);
awaiting_entropy = true;
}
void fsm_msgGetEntropy(GetEntropy *msg)
{
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm", NULL, "Do you really want to", "send entropy?", NULL, NULL, NULL, NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Entropy cancelled");
layoutHome();
return;
}
RESP_INIT(Entropy);
uint32_t len = msg->size;
if (len > 1024) {
len = 1024;
}
resp->entropy.size = len;
random_buffer(resp->entropy.bytes, len);
msg_write(MessageType_MessageType_Entropy, resp);
layoutHome();
}
/*---------------------------------------------------------------------------*/
static int on_message_delivered(struct xio_session *session,
struct xio_msg *msg,
int more_in_batch,
void *cb_user_context)
{
struct xio_msg *new_msg;
struct ow_test_params *ow_params = cb_user_context;
ow_params->ndelivered++;
/* can be safely freed */
msg_pool_put(ow_params->pool, msg);
#if TEST_DISCONNECT
if (ow_params->ndelivered == DISCONNECT_NR) {
xio_disconnect(ow_params->connection);
return 0;
}
if (ow_params->nsent == DISCONNECT_NR)
return 0;
#endif
/* peek new message from the pool */
new_msg = msg_pool_get(ow_params->pool);
new_msg->more_in_batch = 0;
/* fill response */
msg_write(&ow_params->msg_params, new_msg,
NULL, test_config.hdr_len,
NULL, test_config.data_len);
new_msg->flags = XIO_MSG_FLAG_REQUEST_READ_RECEIPT;
if (xio_send_msg(ow_params->connection, new_msg) == -1) {
printf("**** [%p] Error - xio_send_msg failed. %s\n",
session, xio_strerror(xio_errno()));
msg_pool_put(ow_params->pool, new_msg);
}
ow_params->nsent++;
return 0;
}
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection, bool pin_protection, const char *language, const char *label)
{
if (_strength != 128 && _strength != 192 && _strength != 256) {
fsm_sendFailure(FailureType_Failure_SyntaxError, "Invalid strength (has to be 128, 192 or 256 bits)");
layoutHome();
return;
}
strength = _strength;
random_buffer(int_entropy, 32);
char ent_str[4][17];
data2hex(int_entropy , 8, ent_str[0]);
data2hex(int_entropy + 8, 8, ent_str[1]);
data2hex(int_entropy + 16, 8, ent_str[2]);
data2hex(int_entropy + 24, 8, ent_str[3]);
if (display_random) {
layoutDialogSwipe(DIALOG_ICON_INFO, "Cancel", "Continue", NULL, "Internal entropy:", ent_str[0], ent_str[1], ent_str[2], ent_str[3], NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_ResetDevice, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Reset cancelled");
layoutHome();
return;
}
}
if (pin_protection && !protectChangePin()) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "PIN change failed");
layoutHome();
return;
}
storage.has_passphrase_protection = true;
storage.passphrase_protection = passphrase_protection;
storage_setLanguage(language);
storage_setLabel(label);
EntropyRequest resp;
memset(&resp, 0, sizeof(EntropyRequest));
msg_write(MessageType_MessageType_EntropyRequest, &resp);
awaiting_entropy = true;
}
/*---------------------------------------------------------------------------*/
static int on_message_delivered(struct xio_session *session,
struct xio_msg *msg,
int more_in_batch,
void *cb_user_context)
{
struct xio_msg *new_msg;
process_tx_message(msg);
/* can be safely returned to pool */
msg_pool_put(pool, msg);
/* peek message from the pool */
new_msg = msg_pool_get(pool);
if (new_msg == NULL) {
printf("pool is empty\n");
return 0;
}
/* assign buffers to the message */
msg_write(new_msg,
NULL, test_config.hdr_len,
NULL, test_config.data_len);
/*
* ask for receipt since we need to put the message back
* to pool
*/
new_msg->flags = XIO_MSG_FLAG_REQUEST_READ_RECEIPT;
/* send it */
if (xio_send_msg(conn, new_msg) == -1) {
if (xio_errno() != EAGAIN)
printf("**** [%p] Error - xio_send_msg " \
"failed. %s\n",
session,
xio_strerror(xio_errno()));
msg_pool_put(pool, new_msg);
return 0;
}
return 0;
}
