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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-24 15:28:10 +00:00
trezor-firmware/firmware/layout2.c
2016-04-25 23:46:36 +02:00

338 lines
9.3 KiB
C

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