feat(legacy): Implement DoPreauthorized.

legacy/firmware/fsm.c

@@ -68,6 +68,9 @@
 
 static uint8_t msg_resp[MSG_OUT_DECODED_SIZE] __attribute__((aligned));
 
+// Authorization message type triggered by DoPreauthorized.
+static MessageType authorization_type = 0;
+
 #define RESP_INIT(TYPE)                                                    \
   TYPE *resp = (TYPE *)(void *)msg_resp;                                   \
   _Static_assert(sizeof(msg_resp) >= sizeof(TYPE), #TYPE " is too large"); \
@@ -403,6 +406,7 @@ void fsm_msgRebootToBootloader(void) {
 void fsm_abortWorkflows(void) {
   recovery_abort();
   signing_abort();
+  authorization_type = 0;
 #if !BITCOIN_ONLY
   ethereum_signing_abort();
   stellar_signingAbort();

legacy/firmware/fsm.h

@@ -87,6 +87,7 @@ void fsm_msgGetOwnershipId(const GetOwnershipId *msg);
 void fsm_msgGetOwnershipProof(const GetOwnershipProof *msg);
 void fsm_msgAuthorizeCoinJoin(const AuthorizeCoinJoin *msg);
 void fsm_msgCancelAuthorization(const CancelAuthorization *msg);
+void fsm_msgDoPreauthorized(const DoPreauthorized *msg);
 
 // crypto
 void fsm_msgCipherKeyValue(const CipherKeyValue *msg);

legacy/firmware/fsm_msg_coin.h

@@ -700,4 +700,23 @@ void fsm_msgCancelAuthorization(const CancelAuthorization *msg) {
 
   fsm_sendSuccess(_("Authorization cancelled"));
   layoutHome();
-}
+}
+
+void fsm_msgDoPreauthorized(const DoPreauthorized *msg) {
+  (void)msg;
+
+  RESP_INIT(PreauthorizedRequest);
+
+  CHECK_INITIALIZED
+
+  authorization_type = config_getAuthorizationType();
+  if (authorization_type == 0) {
+    fsm_sendFailure(FailureType_Failure_ProcessError,
+                    _("No preauthorized operation"));
+    layoutHome();
+    return;
+  }
+
+  msg_write(MessageType_MessageType_PreauthorizedRequest, resp);
+  layoutHome();
+}

legacy/firmware/protob/Makefile

@@ -4,7 +4,7 @@ endif
 
 SKIPPED_MESSAGES := Binance Cardano DebugMonero Eos Monero Ontology Ripple SdProtect Tezos WebAuthn \
 	DebugLinkRecordScreen DebugLinkEraseSdCard DebugLinkWatchLayout \
-	DoPreauthorized DebugLinkLayout GetNonce SetBusy UnlockPath \
+	DebugLinkLayout GetNonce SetBusy UnlockPath \
 	TxAckInput TxAckOutput TxAckPrev TxAckPaymentRequest \
 	EthereumSignTypedData EthereumTypedDataStructRequest EthereumTypedDataStructAck \
 	EthereumTypedDataValueRequest EthereumTypedDataValueAck