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398 lines
11 KiB
398 lines
11 KiB
/*
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* This file is part of the TREZOR project.
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*
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* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <string.h>
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#include <ctype.h>
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#include "layout2.h"
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#include "storage.h"
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#include "oled.h"
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#include "bitmaps.h"
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#include "string.h"
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#include "util.h"
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#include "qr_encode.h"
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#include "timer.h"
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void *layoutLast = layoutHome;
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void layoutDialogSwipe(const BITMAP *icon, const char *btnNo, const char *btnYes, const char *desc, const char *line1, const char *line2, const char *line3, const char *line4, const char *line5, const char *line6)
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{
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layoutLast = layoutDialogSwipe;
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oledSwipeLeft();
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layoutDialog(icon, btnNo, btnYes, desc, line1, line2, line3, line4, line5, line6);
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}
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void layoutProgressSwipe(const char *desc, int permil)
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{
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if (layoutLast == layoutProgressSwipe) {
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oledClear();
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} else {
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layoutLast = layoutProgressSwipe;
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oledSwipeLeft();
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}
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layoutProgress(desc, permil);
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}
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void layoutScreensaver(void)
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{
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layoutLast = layoutScreensaver;
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oledClear();
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oledRefresh();
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}
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void layoutHome(void)
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{
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if (layoutLast == layoutHome || layoutLast == layoutScreensaver) {
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oledClear();
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} else {
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oledSwipeLeft();
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}
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layoutLast = layoutHome;
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const char *label = storage_isInitialized() ? storage_getLabel() : "Go to mytrezor.com";
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const uint8_t *homescreen = storage_getHomescreen();
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if (homescreen) {
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BITMAP b;
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b.width = 128;
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b.height = 64;
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b.data = homescreen;
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oledDrawBitmap(0, 0, &b);
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} else {
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if (label && strlen(label) > 0) {
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oledDrawBitmap(44, 4, &bmp_logo48);
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oledDrawStringCenter(OLED_HEIGHT - 8, label);
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} else {
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oledDrawBitmap(40, 0, &bmp_logo64);
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}
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}
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oledRefresh();
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// Reset lock screen timeout
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system_millis_lock_start = system_millis;
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}
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const char *str_amount(uint64_t amnt, const char *abbr, char *buf, int len)
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{
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memset(buf, 0, len);
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uint64_t a = amnt, b = 1;
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int i;
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for (i = 0; i < 8; i++) {
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buf[16 - i] = '0' + (a / b) % 10;
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b *= 10;
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}
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buf[8] = '.';
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for (i = 0; i < 8; i++) {
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buf[7 - i] = '0' + (a / b) % 10;
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b *= 10;
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}
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i = 17;
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while (i > 10 && buf[i - 1] == '0') { // drop trailing zeroes
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i--;
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}
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if (abbr) {
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buf[i] = ' ';
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strlcpy(buf + i + 1, abbr, len - i - 1);
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} else {
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buf[i] = 0;
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}
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const char *r = buf;
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while (*r == '0' && *(r + 1) != '.') r++; // drop leading zeroes
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return r;
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}
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static char buf_out[32], buf_fee[32];
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void layoutConfirmOutput(const CoinType *coin, const TxOutputType *out)
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{
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static char first_half[17 + 1];
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strlcpy(first_half, out->address, sizeof(first_half));
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const char *str_out = str_amount(out->amount, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
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layoutDialogSwipe(&bmp_icon_question,
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"Cancel",
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"Confirm",
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NULL,
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"Confirm sending",
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str_out,
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"to",
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first_half,
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out->address + 17,
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NULL
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);
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}
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void layoutConfirmTx(const CoinType *coin, uint64_t amount_out, uint64_t amount_fee)
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{
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const char *str_out = str_amount(amount_out, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
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const char *str_fee = str_amount(amount_fee, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_fee, sizeof(buf_fee));
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layoutDialogSwipe(&bmp_icon_question,
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"Cancel",
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"Confirm",
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NULL,
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"Really send",
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str_out,
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"from your wallet?",
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"Fee included:",
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str_fee,
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NULL
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);
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}
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void layoutFeeOverThreshold(const CoinType *coin, uint64_t fee, uint32_t kb)
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{
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(void)kb;
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const char *str_out = str_amount(fee, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
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layoutDialogSwipe(&bmp_icon_question,
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"Cancel",
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"Confirm",
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NULL,
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"Fee",
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str_out,
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"is unexpectedly high.",
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NULL,
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"Send anyway?",
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NULL
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);
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}
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// split longer string into 4 rows, rowlen chars each
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const char **split_message(const uint8_t *msg, uint32_t len, uint32_t rowlen)
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{
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static char str[4][32 + 1];
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if (rowlen > 32) {
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rowlen = 32;
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}
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memset(str, 0, sizeof(str));
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strlcpy(str[0], (char *)msg, rowlen + 1);
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if (len > rowlen) {
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strlcpy(str[1], (char *)msg + rowlen, rowlen + 1);
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}
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if (len > rowlen * 2) {
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strlcpy(str[2], (char *)msg + rowlen * 2, rowlen + 1);
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}
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if (len > rowlen * 3) {
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strlcpy(str[3], (char *)msg + rowlen * 3, rowlen + 1);
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}
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static const char *ret[4] = { str[0], str[1], str[2], str[3] };
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return ret;
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}
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void layoutSignMessage(const uint8_t *msg, uint32_t len)
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{
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const char **str = split_message(msg, len, 16);
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layoutDialogSwipe(&bmp_icon_question, "Cancel", "Confirm",
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"Sign message?",
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str[0], str[1], str[2], str[3], NULL, NULL);
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}
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void layoutVerifyAddress(const char *address)
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{
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const char **str = split_message((const uint8_t *)address, strlen(address), 17);
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layoutDialogSwipe(&bmp_icon_info, "Cancel", "Confirm",
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"Confirm address?",
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"Message signed by:",
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NULL, str[0], str[1], str[2], NULL);
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}
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void layoutVerifyMessage(const uint8_t *msg, uint32_t len)
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{
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const char **str = split_message(msg, len, 16);
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layoutDialogSwipe(&bmp_icon_info, "Cancel", "Confirm",
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"Verified message",
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str[0], str[1], str[2], str[3], NULL, NULL);
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}
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void layoutCipherKeyValue(bool encrypt, const char *key)
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{
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const char **str = split_message((const uint8_t *)key, strlen(key), 16);
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layoutDialogSwipe(&bmp_icon_question, "Cancel", "Confirm",
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encrypt ? "Encode value of this key?" : "Decode value of this key?",
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str[0], str[1], str[2], str[3], NULL, NULL);
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}
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void layoutEncryptMessage(const uint8_t *msg, uint32_t len, bool signing)
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{
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const char **str = split_message(msg, len, 16);
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layoutDialogSwipe(&bmp_icon_question, "Cancel", "Confirm",
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signing ? "Encrypt+Sign message?" : "Encrypt message?",
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str[0], str[1], str[2], str[3], NULL, NULL);
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}
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void layoutDecryptMessage(const uint8_t *msg, uint32_t len, const char *address)
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{
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const char **str = split_message(msg, len, 16);
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layoutDialogSwipe(&bmp_icon_info, NULL, "OK",
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address ? "Decrypted signed message" : "Decrypted message",
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str[0], str[1], str[2], str[3], NULL, NULL);
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}
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void layoutAddress(const char *address, const char *desc)
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{
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oledSwipeLeft();
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layoutLast = layoutAddress;
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static unsigned char bitdata[QR_MAX_BITDATA];
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int a, i, j;
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int side = qr_encode(QR_LEVEL_M, 0, address, 0, bitdata);
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if (side > 0 && side <= 29) {
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oledInvert(0, 0, (side + 2) * 2, (side + 2) * 2);
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for (i = 0; i < side; i++) {
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for (j = 0; j< side; j++) {
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a = j * side + i;
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if (bitdata[a / 8] & (1 << (7 - a % 8))) {
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oledClearPixel(2 + i * 2, 2 + j * 2);
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oledClearPixel(3 + i * 2, 2 + j * 2);
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oledClearPixel(2 + i * 2, 3 + j * 2);
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oledClearPixel(3 + i * 2, 3 + j * 2);
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}
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}
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}
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}
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uint32_t addrlen = strlen(address);
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uint32_t rowlen = addrlen / 4;
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if (addrlen % 4) {
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rowlen++;
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}
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const char **str = split_message((const uint8_t *)address, addrlen, rowlen);
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if (desc) {
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oledDrawString(68, 0 * 9, desc);
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}
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oledDrawString(68, 1 * 9 + 4, str[0]);
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oledDrawString(68, 2 * 9 + 4, str[1]);
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oledDrawString(68, 3 * 9 + 4, str[2]);
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oledDrawString(68, 4 * 9 + 4, str[3]);
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static const char *btnYes = "Continue";
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oledDrawString(OLED_WIDTH - fontCharWidth('\x06') - 1, OLED_HEIGHT - 8, "\x06");
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oledDrawString(OLED_WIDTH - oledStringWidth(btnYes) - fontCharWidth('\x06') - 3, OLED_HEIGHT - 8, btnYes);
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oledInvert(OLED_WIDTH - oledStringWidth(btnYes) - fontCharWidth('\x06') - 4, OLED_HEIGHT - 9, OLED_WIDTH - 1, OLED_HEIGHT - 1);
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oledRefresh();
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}
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void layoutPublicKey(const uint8_t *pubkey)
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{
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char hex[32*2+1], desc[16];
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strlcpy(desc, "Public Key: 00", sizeof(desc));
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data2hex(pubkey, 1, desc + 12);
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data2hex(pubkey + 1, 32, hex);
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const char **str = split_message((const uint8_t *)hex, 32*2, 16);
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layoutDialogSwipe(&bmp_icon_question, NULL, "Continue", NULL,
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desc, str[0], str[1], str[2], str[3], NULL);
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}
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void layoutSignIdentity(const IdentityType *identity, const char *challenge)
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{
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char row_proto[8 + 11 + 1];
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char row_hostport[64 + 6 + 1];
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char row_user[64 + 8 + 1];
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if (identity->has_proto && identity->proto[0]) {
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if (strcmp(identity->proto, "https") == 0) {
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strlcpy(row_proto, "Web sign in to:", sizeof(row_proto));
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} else if (strcmp(identity->proto, "gpg") == 0) {
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strlcpy(row_proto, "GPG sign for:", sizeof(row_proto));
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} else {
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strlcpy(row_proto, identity->proto, sizeof(row_proto));
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char *p = row_proto;
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while (*p) { *p = toupper((int)*p); p++; }
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strlcat(row_proto, " login to:", sizeof(row_proto));
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}
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} else {
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strlcpy(row_proto, "Login to:", sizeof(row_proto));
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}
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if (identity->has_host && identity->host[0]) {
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strlcpy(row_hostport, identity->host, sizeof(row_hostport));
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if (identity->has_port && identity->port[0]) {
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strlcat(row_hostport, ":", sizeof(row_hostport));
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strlcat(row_hostport, identity->port, sizeof(row_hostport));
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}
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} else {
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row_hostport[0] = 0;
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}
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if (identity->has_user && identity->user[0]) {
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strlcpy(row_user, "user: ", sizeof(row_user));
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strlcat(row_user, identity->user, sizeof(row_user));
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} else {
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row_user[0] = 0;
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}
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layoutDialogSwipe(&bmp_icon_question, "Cancel", "Confirm",
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"Do you want to sign in?",
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row_proto[0] ? row_proto : NULL,
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row_hostport[0] ? row_hostport : NULL,
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row_user[0] ? row_user : NULL,
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challenge,
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NULL,
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NULL);
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}
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void layoutDecryptIdentity(const IdentityType *identity)
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{
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char row_proto[8 + 11 + 1];
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char row_hostport[64 + 6 + 1];
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char row_user[64 + 8 + 1];
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if (identity->has_proto && identity->proto[0]) {
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strlcpy(row_proto, identity->proto, sizeof(row_proto));
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char *p = row_proto;
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while (*p) { *p = toupper((int)*p); p++; }
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strlcat(row_proto, " decrypt for:", sizeof(row_proto));
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} else {
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strlcpy(row_proto, "Decrypt for:", sizeof(row_proto));
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}
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if (identity->has_host && identity->host[0]) {
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strlcpy(row_hostport, identity->host, sizeof(row_hostport));
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if (identity->has_port && identity->port[0]) {
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strlcat(row_hostport, ":", sizeof(row_hostport));
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strlcat(row_hostport, identity->port, sizeof(row_hostport));
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}
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} else {
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row_hostport[0] = 0;
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}
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if (identity->has_user && identity->user[0]) {
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strlcpy(row_user, "user: ", sizeof(row_user));
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strlcat(row_user, identity->user, sizeof(row_user));
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} else {
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row_user[0] = 0;
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}
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layoutDialogSwipe(&bmp_icon_question, "Cancel", "Confirm",
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"Do you want to decrypt?",
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row_proto[0] ? row_proto : NULL,
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row_hostport[0] ? row_hostport : NULL,
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row_user[0] ? row_user : NULL,
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NULL,
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NULL,
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NULL);
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}
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void layoutU2FDialog(const char *verb, const char *appname, const BITMAP *appicon) {
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if (!appicon) {
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appicon = &bmp_icon_question;
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}
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layoutDialog(appicon, NULL, verb, NULL, verb, "U2F security key?", NULL, appname, NULL, NULL);
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}
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