82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
#include "shared_context.h"
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#include "apdu_constants.h"
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#include "ui_flow.h"
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#include "feature_signTx.h"
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void handleSign(uint8_t p1,
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uint8_t p2,
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uint8_t *workBuffer,
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uint16_t dataLength,
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unsigned int *flags,
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unsigned int *tx) {
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UNUSED(tx);
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parserStatus_e txResult;
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uint32_t i;
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if (p1 == P1_FIRST) {
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if (dataLength < 1) {
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PRINTF("Invalid data\n");
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THROW(0x6a80);
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}
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if (appState != APP_STATE_IDLE) {
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reset_app_context();
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}
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appState = APP_STATE_SIGNING_TX;
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tmpCtx.transactionContext.pathLength = workBuffer[0];
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if ((tmpCtx.transactionContext.pathLength < 0x01) ||
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(tmpCtx.transactionContext.pathLength > MAX_BIP32_PATH)) {
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PRINTF("Invalid path\n");
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THROW(0x6a80);
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}
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workBuffer++;
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dataLength--;
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for (i = 0; i < tmpCtx.transactionContext.pathLength; i++) {
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if (dataLength < 4) {
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PRINTF("Invalid data\n");
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THROW(0x6a80);
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}
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tmpCtx.transactionContext.bip32Path[i] = U4BE(workBuffer, 0);
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workBuffer += 4;
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dataLength -= 4;
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}
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dataPresent = false;
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dataContext.tokenContext.pluginAvailable = 0;
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initTx(&txContext, &global_sha3, &tmpContent.txContent, customProcessor, NULL);
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} else if (p1 != P1_MORE) {
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THROW(0x6B00);
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}
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if (p2 != 0) {
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THROW(0x6B00);
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}
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if ((p1 == P1_MORE) && (appState != APP_STATE_SIGNING_TX)) {
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PRINTF("Signature not initialized\n");
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THROW(0x6985);
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}
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if (txContext.currentField == TX_RLP_NONE) {
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PRINTF("Parser not initialized\n");
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THROW(0x6985);
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}
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txResult = processTx(&txContext,
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workBuffer,
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dataLength,
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(chainConfig->kind == CHAIN_KIND_WANCHAIN ? TX_FLAG_TYPE : 0));
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switch (txResult) {
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case USTREAM_SUSPENDED:
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break;
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case USTREAM_FINISHED:
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break;
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case USTREAM_PROCESSING:
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THROW(0x9000);
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case USTREAM_FAULT:
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THROW(0x6A80);
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default:
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PRINTF("Unexpected parser status\n");
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THROW(0x6A80);
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}
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if (txResult == USTREAM_FINISHED) {
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finalizeParsing(false);
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}
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*flags |= IO_ASYNCH_REPLY;
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}
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