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bootloader: cleanup ui code

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This commit is contained in:
Pavol Rusnak 2017-12-15 15:26:36 +01:00
parent 5e476b856e
commit 1a32e46e5d
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
2 changed files with 54 additions and 53 deletions
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103
embed/bootloader/main.c
View File

@ -25,7 +25,7 @@
#define ICON_UPDATE 1
#define ICON_WIPE 2
void display_header(int icon, const char *text)
static void display_header(int icon, const char *text)
{
display_bar(0, 0, DISPLAY_RESX, 32, COLOR_BL_ORANGE);
switch (icon) {
@ -42,37 +42,33 @@ void display_header(int icon, const char *text)
display_text(8 + 24 + 8, 23, text, -1, FONT_BOLD, COLOR_BLACK, COLOR_BL_ORANGE);
}
void display_footer(const char *text, uint16_t color)
static void display_footer(const char *text, uint16_t color, int bottom)
{
display_bar(0, 184, DISPLAY_RESX, 56, COLOR_BLACK);
display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 20, text, -1, FONT_BOLD, color, COLOR_BLACK);
display_bar(0, DISPLAY_RESY - bottom - 24, DISPLAY_RESX, bottom + 24, COLOR_BLACK);
display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - bottom, text, -1, FONT_BOLD, color, COLOR_BLACK);
}
void display_done(int restart)
static void display_done(int restart)
{
if (restart == 0 || restart == 3) {
display_loader(1000, 0, COLOR_BL_GREEN, COLOR_BLACK, toi_icon_tick, sizeof(toi_icon_tick), COLOR_WHITE);
}
if (restart == 3) {
display_footer("Done! Restarting in 3s", COLOR_BL_GREEN);
} else
if (restart == 2) {
display_footer("Done! Restarting in 2s", COLOR_BL_GREEN);
} else
if (restart == 1) {
display_footer("Done! Restarting in 1s", COLOR_BL_GREEN);
if (restart <= 3 && restart >= 1) {
char count_str[24];
mini_snprintf(count_str, sizeof(count_str), "Done! Restarting in %ds", restart);
display_footer(count_str, COLOR_BL_GREEN, 20);
} else {
display_footer("Done! Unplug the device", COLOR_BL_GREEN);
display_footer("Done! Unplug the device", COLOR_BL_GREEN, 20);
}
}
void display_error(void)
static void display_error(void)
{
display_loader(1000, 0, COLOR_BL_RED, COLOR_BLACK, toi_icon_cross, sizeof(toi_icon_cross), COLOR_WHITE);
display_footer("Error! Unplug the device", COLOR_BL_RED);
display_footer("Error! Unplug the device", COLOR_BL_RED, 20);
}
void display_welcome(secbool firmware_present)
static void display_welcome(secbool firmware_present)
{
display_clear();
if (secfalse == firmware_present) {
@ -89,7 +85,7 @@ void display_welcome(secbool firmware_present)
#define VENDOR_IMAGE_RESX 120
#define VENDOR_IMAGE_RESY 120
void display_vendor(const uint8_t *vimg, const char *vstr, uint32_t vstr_len, uint32_t fw_version, char red_background)
static void display_vendor(const uint8_t *vimg, const char *vstr, uint32_t vstr_len, uint32_t fw_version, char red_background)
{
if (red_background) {
display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_BL_RED);
@ -132,7 +128,7 @@ static const uint8_t * const BOOTLOADER_KEYS[] = {
#endif
};
void usb_init_all(void) {
static void usb_init_all(void) {
static const usb_dev_info_t dev_info = {
.vendor_id = 0x1209,
.product_id = 0x53C0,
@ -178,7 +174,7 @@ void usb_init_all(void) {
usb_start();
}
secbool bootloader_loop(secbool firmware_present)
static secbool bootloader_loop(secbool firmware_present)
{
usb_init_all();
@ -209,7 +205,7 @@ secbool bootloader_loop(secbool firmware_present)
display_fade(BACKLIGHT_NORMAL, 0, 100);
display_clear();
display_header(ICON_WIPE, "Wiping Device");
display_footer("Please wait ...", COLOR_WHITE);
display_footer("Please wait ...", COLOR_WHITE, 20);
display_fade(0, BACKLIGHT_NORMAL, 100);
r = process_msg_WipeDevice(USB_IFACE_NUM, msg_size, buf);
if (r < 0) { // error
@ -228,7 +224,7 @@ secbool bootloader_loop(secbool firmware_present)
display_fade(BACKLIGHT_NORMAL, 0, 100);
display_clear();
display_header(ICON_UPDATE, "Updating Firmware");
display_footer("Please wait ...", COLOR_WHITE);
display_footer("Please wait ...", COLOR_WHITE, 20);
display_fade(0, BACKLIGHT_NORMAL, 100);
process_msg_FirmwareErase(USB_IFACE_NUM, msg_size, buf);
break;
@ -257,11 +253,31 @@ secbool bootloader_loop(secbool firmware_present)
}
}
secbool load_vendor_header_keys(const uint8_t * const data, vendor_header * const vhdr)
{
return load_vendor_header(data, BOOTLOADER_KEY_M, BOOTLOADER_KEY_N, BOOTLOADER_KEYS, vhdr);
}
#define OTP_BLOCK_VENDOR_KEYS_LOCK 2
static secbool check_vendor_keys_lock(const vendor_header * const vhdr) {
uint8_t lock[FLASH_OTP_BLOCK_SIZE];
ensure(flash_otp_read(OTP_BLOCK_VENDOR_KEYS_LOCK, 0, lock, FLASH_OTP_BLOCK_SIZE), NULL);
if (0 == memcmp(lock, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", FLASH_OTP_BLOCK_SIZE)) {
return sectrue;
}
uint8_t hash[32];
vendor_keys_hash(vhdr, hash);
return sectrue * (0 == memcmp(lock, hash, 32));
}
// protection against bootloader downgrade
#if PRODUCTION
#define OTP_BLOCK_BOOTLOADER_VERSION 1
void check_bootloader_version(void)
static void check_bootloader_version(void)
{
uint8_t bits[FLASH_OTP_BLOCK_SIZE];
for (int i = 0; i < FLASH_OTP_BLOCK_SIZE * 8; i++) {
@ -279,23 +295,7 @@ void check_bootloader_version(void)
ensure(sectrue * (0 == memcmp(bits, bits2, FLASH_OTP_BLOCK_SIZE)), "Bootloader downgraded");
}
secbool load_vendor_header_keys(const uint8_t * const data, vendor_header * const vhdr)
{
return load_vendor_header(data, BOOTLOADER_KEY_M, BOOTLOADER_KEY_N, BOOTLOADER_KEYS, vhdr);
}
#define OTP_BLOCK_VENDOR_KEYS_LOCK 2
secbool check_vendor_keys_lock(const vendor_header * const vhdr) {
uint8_t lock[FLASH_OTP_BLOCK_SIZE];
ensure(flash_otp_read(OTP_BLOCK_VENDOR_KEYS_LOCK, 0, lock, FLASH_OTP_BLOCK_SIZE), NULL);
if (0 == memcmp(lock, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", FLASH_OTP_BLOCK_SIZE)) {
return sectrue;
}
uint8_t hash[32];
vendor_keys_hash(vhdr, hash);
return sectrue * (0 == memcmp(lock, hash, 32));
}
#endif
int main(void)
{
@ -358,23 +358,20 @@ int main(void)
check_image_contents(&hdr, IMAGE_HEADER_SIZE + vhdr.hdrlen, sectors, 13),
"invalid firmware hash");
display_vendor(vhdr.vimg, (const char *)vhdr.vstr, vhdr.vstr_len, hdr.version, (vhdr.vtrust & 0x0010) == 0);
display_vendor(vhdr.vimg, (const char *)vhdr.vstr, vhdr.vstr_len, hdr.version, (vhdr.vtrust & VTRUST_RED) == 0);
display_fade(0, BACKLIGHT_NORMAL, 1000);
if ((vhdr.vtrust & 0x0001) == 0) {
int start_delay = (vhdr.vtrust & VTRUST_WAIT) ^ VTRUST_WAIT;
while (start_delay > 0) {
char wait_str[16];
mini_snprintf(wait_str, sizeof(wait_str), "waiting for %ds", start_delay);
display_footer(wait_str, COLOR_GRAY64, 2);
hal_delay(1000);
start_delay--;
}
if ((vhdr.vtrust & 0x0002) == 0) {
hal_delay(2000);
}
if ((vhdr.vtrust & 0x0004) == 0) {
hal_delay(4000);
}
if ((vhdr.vtrust & 0x0008) == 0) {
hal_delay(8000);
}
if ((vhdr.vtrust & 0x0020) == 0) {
display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 2, "click to continue ...", -1, FONT_BOLD, COLOR_GRAY64, COLOR_BLACK);
if ((vhdr.vtrust & VTRUST_CLICK) == 0) {
display_footer("click to continue ...", COLOR_GRAY64, 2);
touch_click();
}

4
embed/trezorhal/image.h
View File

@ -35,6 +35,10 @@ typedef struct {
#define MAX_VENDOR_PUBLIC_KEYS 8
#define VTRUST_WAIT 0x000F
#define VTRUST_RED 0x0010
#define VTRUST_CLICK 0x0020
typedef struct {
uint32_t magic;
uint32_t hdrlen;