/*! \fn displayCurrentSearchLoginTexts(char* text)
* \brief Display current search login text
* \param text Text to be displayed
* \param resultsarray Pointer to the array in which to store the addresses
* \return Number of matching parents we displayed
*/
uint8_t displayCurrentSearchLoginTexts(char* text, uint16_t* resultsarray)
{
uint16_t tempNodeAddr;
pNode temp_pnode;
uint8_t i;
// Set font for search text
oledSetFont(FONT_PROFONT_18);
// Clear current text
oledFillXY(100, 14, 50, 24, 0x00);
// Display new search text
oledPutstrXY(148, 14, OLED_RIGHT, text);
// Set default font
oledSetFont(FONT_DEFAULT);
// Find the address of the first match
tempNodeAddr = searchForServiceName((uint8_t*)text, COMPARE_MODE_COMPARE, SERVICE_CRED_TYPE);
if (tempNodeAddr != last_matching_parent_addr)
{
last_matching_parent_addr = tempNodeAddr;
for (i = 0; i < 4; i++)
{
oledFillXY((i&1)*175, 6+(i&2)*19, 81, 14, 0x00);
}
// Print the next 4 services
i = 0;
while ((tempNodeAddr != NODE_ADDR_NULL) && (i != 4))
{
resultsarray[i] = tempNodeAddr;
readParentNode(&temp_pnode, tempNodeAddr);
displayServiceAtGivenSlot(i, (const char*)temp_pnode.service);
tempNodeAddr = temp_pnode.nextParentAddress;
i++;
}
// Store and return number of children
last_matching_parent_number = i;
}
return last_matching_parent_number;
}
/*! \fn guiGetPinFromUser(volatile uint16_t* pin_code, uint8_t stringID)
* \brief Ask the user to enter a PIN
* \param pin_code Pointer to where to store the pin code
* \param stringID String ID
* \return If the user approved the request
*/
RET_TYPE guiGetPinFromUser(volatile uint16_t* pin_code, uint8_t stringID)
{
// If we don't need a pin code, send default one
#if defined(NO_PIN_CODE_REQUIRED) || defined(HARDWARE_V1) || defined(V2_DEVELOPERS_BOTPCB_BOOTLOADER_SETUP)
*pin_code = SMARTCARD_DEFAULT_PIN;
return RETURN_OK;
#endif
RET_TYPE ret_val = RETURN_NOK;
uint8_t selected_digit = 0;
uint8_t finished = FALSE;
uint8_t current_pin[4];
RET_TYPE temp_rettype;
int8_t temp_int8;
// Set current pin to 0000
memset((void*)current_pin, 0, 4);
// Draw pin entering bitmap
oledClear();
oledBitmapDrawFlash(0, 0, BITMAP_YES_NO, 0);
oledBitmapDrawFlash(83, 51, BITMAP_PIN_LINES, 0);
oledBitmapDrawFlash(238, 23, BITMAP_RIGHT_ARROW, 0);
oledPutstrXY(0, 0, OLED_CENTRE, readStoredStringToBuffer(stringID));
oledDisplayOtherBuffer();
oledSetFont(FONT_PROFONT_24);
oledWriteActiveBuffer();
// Display current pin on screen
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
// While the user hasn't entered his pin
while(!finished)
{
// Still process the USB commands
usbProcessIncoming(USB_CALLER_PIN);
// Detect key touches
temp_rettype = touchDetectionRoutine(0);
// Send it to the touch wheel interface logic
temp_int8 = touchWheelIntefaceLogic(temp_rettype);
// Position increment / decrement
if (temp_int8 != 0)
{
if ((current_pin[selected_digit] == 0x0F) && (temp_int8 == 1))
{
current_pin[selected_digit] = 0xFF;
}
else if ((current_pin[selected_digit] == 0) && (temp_int8 == -1))
{
current_pin[selected_digit] = 0x10;
}
current_pin[selected_digit] += temp_int8;
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
}
if ((isSmartCardAbsent() == RETURN_OK) || (hasTimerExpired(TIMER_USERINT, TRUE) == TIMER_EXPIRED))
{
// Smartcard removed, no reason to continue
ret_val = RETURN_NOK;
finished = TRUE;
}
if (temp_rettype & RETURN_LEFT_PRESSED)
{
if (selected_digit == 1)
{
oledFillXY(0, 23, 18, 18, 0x00);
oledBitmapDrawFlash(0, 24, BITMAP_CROSS, 0);
}
if (selected_digit > 0)
{
// When going back set pin digit to 0
current_pin[selected_digit] = 0;
current_pin[--selected_digit] = 0;
}
else
{
ret_val = RETURN_NOK;
finished = TRUE;
}
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
oledBitmapDrawFlash(238, 23, BITMAP_RIGHT_ARROW, 0);
}
else if (temp_rettype & RETURN_RIGHT_PRESSED)
{
if (selected_digit == 2)
{
oledFillXY(238, 23, 18, 18, 0x00);
oledBitmapDrawFlash(240, 24, BITMAP_TICK, 0);
}
if (selected_digit < 3)
{
selected_digit++;
}
else
{
ret_val = RETURN_OK;
finished = TRUE;
}
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
oledBitmapDrawFlash(0, 23, BITMAP_LEFT_ARROW, 0);
}
}
// Reset default font
oledSetFont(FONT_DEFAULT);
oledWriteInactiveBuffer();
// Store the pin
*pin_code = (uint16_t)(((uint16_t)(current_pin[0]) << 12) | (((uint16_t)current_pin[1]) << 8) | (current_pin[2] << 4) | current_pin[3]);
// Set current pin to 0000
memset((void*)current_pin, 0, 4);
// Prevent touches until the user lifts his finger
touchInhibitUntilRelease();
// Return success status
return ret_val;
}
/*! \fn displayCurrentSearchLoginTexts(char* text)
* \brief Display current search login text
* \param text Text to be displayed
* \param resultsarray Pointer to the array in which to store the addresses
* \param search_index Current search index (aka strlen(text))
* \return Number of matching parents we displayed
*/
static inline uint8_t displayCurrentSearchLoginTexts(char* text, uint16_t* resultsarray, uint8_t search_index)
{
uint16_t tempNodeAddr;
pNode temp_pnode;
uint8_t i, j;
// Set font for search text
oledSetFont(FONT_PROFONT_18);
// Clear current text
oledFillXY(100, 18, 50, 23, 0x00);
// Display new search text
oledPutstrXY(148, 17, OLED_RIGHT, text);
// Set default font
oledSetFont(FONT_DEFAULT);
// Find the address of the first match
tempNodeAddr = searchForServiceName((uint8_t*)text, COMPARE_MODE_COMPARE, SERVICE_CRED_TYPE);
// Only change display if the first displayed service changed
if (tempNodeAddr != last_matching_parent_addr)
{
last_matching_parent_addr = tempNodeAddr;
for (i = 0; i < 4; i++)
{
oledFillXY((i&1)*170, 2+(i&2)*23, 84, 14, 0x00);
}
// Print the next 4 services (loop is until 5 for additional checks)
i = 0;
uint8_t temp_bool = TRUE;
while ((temp_bool != FALSE) && (i != 5))
{
resultsarray[i] = tempNodeAddr;
readParentNode(&temp_pnode, tempNodeAddr);
// Display only first 4 services
if (i < 4)
{
displayCredentialAtSlot(i, (char*)temp_pnode.service, INDEX_TRUNCATE_SERVICE_SEARCH);
}
// Loop around
if (temp_pnode.nextParentAddress == NODE_ADDR_NULL)
{
tempNodeAddr = getStartingParentAddress();
}
else
{
tempNodeAddr = temp_pnode.nextParentAddress;
}
i++;
// Check that we haven't already displayed the next node
for (j = 0; j < i; j++)
{
if (resultsarray[j] == tempNodeAddr)
{
temp_bool = FALSE;
}
}
}
// Check if we could read 5 services after the given search text to know if we need to show the right arrow
if (i == 5)
{
// Compare our text with the last service text and see if they match
if (strncmp(text, (char*)temp_pnode.service, search_index + 1) == 0)
{
// show arrow
oledBitmapDrawFlash(176, 24, BITMAP_LOGIN_RARROW, 0);
}
else
{
// hide arrow
oledFillXY(176, 24, 16, 16, 0);
i = 4;
}
}
// Store and return number of children
last_matching_parent_number = i;
}
// If the text is 4 chars long no need to display right arrow
if ((search_index == SEARCHTEXT_MAX_LENGTH - 1) && (last_matching_parent_number > 4))
{
// hide arrow
last_matching_parent_number = 4;
oledFillXY(176, 24, 16, 16, 0);
}
return last_matching_parent_number;
}
/*! \fn usbProcessIncoming(uint8_t* incomingData)
* \brief Process the incoming USB packet
* \param incomingData Pointer to the packet (can be overwritten!)
*/
void usbProcessIncoming(uint8_t* incomingData)
{
// Temp plugin return value
uint8_t plugin_return_value = PLUGIN_BYTE_ERROR;
// Use message structure
usbMsg_t* msg = (usbMsg_t*)incomingData;
// Get data len
uint8_t datalen = msg->len;
// Get data cmd
uint8_t datacmd = msg->cmd;
#ifdef USB_FEATURE_PLUGIN_COMMS
// Temp ret_type
RET_TYPE temp_rettype;
#endif
#ifdef DEV_PLUGIN_COMMS
char stack_str[10];
#endif
// Debug comms
// USBDEBUGPRINTF_P(PSTR("usb: rx cmd 0x%02x len %u\n"), datacmd, datalen);
switch(datacmd)
{
// ping command
case CMD_PING :
{
usbSendMessage(0, 6, msg);
return;
}
// version command
case CMD_VERSION :
{
msg->len = 3; // len + cmd + FLASH_CHIP
msg->cmd = CMD_VERSION;
msg->body.data[0] = FLASH_CHIP;
msg->len += getVersion((char*)&msg->body.data[1], sizeof(msg->body.data) - 1);
usbSendMessage(0, msg->len, msg);
return;
}
#ifdef USB_FEATURE_PLUGIN_COMMS
// context command
case CMD_CONTEXT :
{
if (checkTextField(msg->body.data, datalen, NODE_PARENT_SIZE_OF_SERVICE) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("setCtx: len %d too big\n"), datalen);
}
else if (getSmartCardInsertedUnlocked() != TRUE)
{
plugin_return_value = PLUGIN_BYTE_NOCARD;
USBPARSERDEBUGPRINTF_P(PSTR("set context: no card\n"));
}
else if (setCurrentContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set context: \"%s\" ok\n"), msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set context: \"%s\" failed\n"), msg->body.data);
}
break;
}
// get login
case CMD_GET_LOGIN :
{
if (getLoginForContext((char*)incomingData) == RETURN_OK)
{
// Use the buffer to store the login...
usbSendMessage(CMD_GET_LOGIN, strlen((char*)incomingData)+1, incomingData);
USBPARSERDEBUGPRINTF_P(PSTR("get login: \"%s\"\n"),(char *)incomingData);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("get login: failed\n"));
}
break;
}
// get password
case CMD_GET_PASSWORD :
{
if (getPasswordForContext((char*)incomingData) == RETURN_OK)
{
usbSendMessage(CMD_GET_PASSWORD, strlen((char*)incomingData)+1, incomingData);
USBPARSERDEBUGPRINTF_P(PSTR("get pass: \"%s\"\n"),(char *)incomingData);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("get pass: failed\n"));
}
break;
}
// set login
case CMD_SET_LOGIN :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_LOGIN) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" checkTextField failed\n"),msg->body.data);
}
else if (setLoginForContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" ok\n"),msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" failed\n"),msg->body.data);
}
break;
}
// set password
case CMD_SET_PASSWORD :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_PASSWORD) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: len %d invalid\n"), datalen);
}
else if (setPasswordForContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: \"%s\" ok\n"),msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: failed\n"));
}
break;
}
// check password
case CMD_CHECK_PASSWORD :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_PASSWORD) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
break;
}
temp_rettype = checkPasswordForContext(msg->body.data, datalen);
if (temp_rettype == RETURN_PASS_CHECK_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
else if(temp_rettype == RETURN_PASS_CHECK_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_NA;
}
break;
}
// set password
case CMD_ADD_CONTEXT :
{
if (checkTextField(msg->body.data, datalen, NODE_PARENT_SIZE_OF_SERVICE) == RETURN_NOK)
{
// Check field
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set context: len %d invalid\n"), datalen);
}
else if (addNewContext(msg->body.data, datalen) == RETURN_OK)
{
// We managed to add a new context
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("add context: \"%s\" ok\n"),msg->body.data);
}
else
{
// Couldn't add a new context
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("add context: \"%s\" failed\n"),msg->body.data);
}
break;
}
#endif
#ifdef FLASH_BLOCK_IMPORT_EXPORT
// flash export start
case CMD_EXPORT_FLASH_START :
{
approveImportExportMemoryOperation(CMD_EXPORT_FLASH_START, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// export flash contents
case CMD_EXPORT_FLASH :
{
uint8_t size = PACKET_EXPORT_SIZE;
// Check that the user approved
if (currentFlashOpUid != CMD_EXPORT_FLASH_START)
{
return;
}
//flashOpCurAddr1 is the page
//flashOpCurAddr2 is the offset
// Check if the export address is correct
if (flashOpCurAddr1 >= PAGE_COUNT)
{
usbSendMessage(CMD_EXPORT_FLASH_END, 0, NULL);
USBPARSERDEBUGPRINTF_P(PSTR("export: end\n"));
currentFlashOpUid = 0;
return;
}
// Check how much data we need in case we're close to the page end
if ((BYTES_PER_PAGE - flashOpCurAddr2) < PACKET_EXPORT_SIZE)
{
size = (uint8_t)(BYTES_PER_PAGE - flashOpCurAddr2);
}
// Get a block of data and send it, increment counter
readDataFromFlash(flashOpCurAddr1, flashOpCurAddr2, size, (void*)incomingData);
usbSendMessage(CMD_EXPORT_FLASH, size, incomingData);
//usbSendMessageWithRetries(CMD_EXPORT_FLASH, size, (char*)incomingData, 255);
flashOpCurAddr2 += size;
if (flashOpCurAddr2 == BYTES_PER_PAGE)
{
flashOpCurAddr2 = 0;
flashOpCurAddr1++;
}
// Skip over the graphics address if we're in that case
if (flashOpCurAddr1 == GRAPHIC_ZONE_PAGE_START)
{
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_END;
}
return;
}
// flash export end
case CMD_EXPORT_FLASH_END :
{
currentFlashOpUid = 0;
return;
}
// flash export start
case CMD_EXPORT_EEPROM_START :
{
approveImportExportMemoryOperation(CMD_EXPORT_EEPROM_START, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// export eeprom contents
case CMD_EXPORT_EEPROM :
{
uint8_t size = PACKET_EXPORT_SIZE;
// Check that the user approved
if (currentFlashOpUid != CMD_EXPORT_EEPROM_START)
{
return;
}
//flashOpCurAddr1 is the current eeprom address
// Check if the export address is correct
if (flashOpCurAddr1 >= EEPROM_SIZE)
{
usbSendMessage(CMD_EXPORT_EEPROM_END, 0, NULL);
USBPARSERDEBUGPRINTF_P(PSTR("export: end\n"));
currentFlashOpUid = 0;
return;
}
// Check how much data we need
if ((EEPROM_SIZE - flashOpCurAddr1) < PACKET_EXPORT_SIZE)
{
size = (uint8_t)(EEPROM_SIZE - flashOpCurAddr1);
}
// Get a block of data and send it, increment counter
eeprom_read_block(incomingData, (void*)flashOpCurAddr1, size);
usbSendMessage(CMD_EXPORT_EEPROM, size, (char*)incomingData);
//usbSendMessageWithRetries(CMD_EXPORT_EEPROM, size, (char*)incomingData, 255);
flashOpCurAddr1 += size;
return;
}
// end eeprom export
case CMD_EXPORT_EEPROM_END :
{
currentFlashOpUid = 0;
return;
}
// import flash contents
case CMD_IMPORT_FLASH_BEGIN :
{
// Check datalen for arg
if (datalen != 1)
{
USBPARSERDEBUGPRINTF_P(PSTR("import: no param\n"));
return;
}
// Ask user approval
approveImportExportMemoryOperation(CMD_IMPORT_FLASH_BEGIN, &plugin_return_value);
//flashOpCurAddr1 is the page
//flashOpCurAddr2 is the offset
// Check what we want to write
if (msg->body.data[0] == 0x00)
{
flashOpCurAddr1 = 0x0000;
flash_import_user_space = TRUE;
}
else
{
flash_import_user_space = FALSE;
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_START;
}
// Get back to normal screen
guiGetBackToCurrentScreen();
break;
}
// import flash contents
case CMD_IMPORT_FLASH :
{
// Check if we actually approved the import, haven't gone over the flash boundaries, if we're correctly aligned page size wise
if ((currentFlashOpUid != CMD_IMPORT_FLASH_BEGIN) || (flashOpCurAddr1 >= PAGE_COUNT) || (flashOpCurAddr2 + datalen > BYTES_PER_PAGE) || ((flash_import_user_space == FALSE) && (flashOpCurAddr1 >= GRAPHIC_ZONE_PAGE_END)))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
currentFlashOpUid = 0;
}
else
{
flashWriteBuffer(msg->body.data, flashOpCurAddr2, datalen);
flashOpCurAddr2+= datalen;
// If we just filled a page, flush it to the page
if (flashOpCurAddr2 == BYTES_PER_PAGE)
{
flashWriteBufferToPage(flashOpCurAddr1);
flashOpCurAddr2 = 0;
flashOpCurAddr1++;
// If we are importing user contents, skip the graphics zone
if ((flash_import_user_space == TRUE) && (flashOpCurAddr1 == GRAPHIC_ZONE_PAGE_START))
{
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_END;
}
}
plugin_return_value = PLUGIN_BYTE_OK;
}
break;
}
// end flash import
case CMD_IMPORT_FLASH_END :
{
if ((currentFlashOpUid == CMD_IMPORT_FLASH_BEGIN) && (flashOpCurAddr2 != 0))
{
flashWriteBufferToPage(flashOpCurAddr1);
}
plugin_return_value = PLUGIN_BYTE_OK;
currentFlashOpUid = 0;
break;
}
// import flash contents
case CMD_IMPORT_EEPROM_BEGIN :
{
// Ask for user confirmation
approveImportExportMemoryOperation(CMD_IMPORT_EEPROM_BEGIN, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// import flash contents
case CMD_IMPORT_EEPROM :
{
// flashOpCurAddr1 is the current eeprom address
if ((currentFlashOpUid != CMD_IMPORT_EEPROM_BEGIN) || ((flashOpCurAddr1 + datalen) >= EEPROM_SIZE))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
currentFlashOpUid = 0;
}
else
{
eeprom_write_block((void*)msg->body.data, (void*)flashOpCurAddr1, datalen);
flashOpCurAddr1+= datalen;
plugin_return_value = PLUGIN_BYTE_OK;
}
break;
}
// end eeprom import
case CMD_IMPORT_EEPROM_END :
{
plugin_return_value = PLUGIN_BYTE_OK;
currentFlashOpUid = 0;
break;
}
#endif
// set password bootkey
case CMD_SET_BOOTLOADER_PWD :
{
if ((eeprom_read_byte((uint8_t*)EEP_BOOT_PWD_SET) != BOOTLOADER_PWDOK_KEY) && (datalen == PACKET_EXPORT_SIZE))
{
eeprom_write_block((void*)msg->body.data, (void*)EEP_BOOT_PWD, PACKET_EXPORT_SIZE);
eeprom_write_byte((uint8_t*)EEP_BOOT_PWD_SET, BOOTLOADER_PWDOK_KEY);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Jump to bootloader
case CMD_JUMP_TO_BOOTLOADER :
{
#ifndef DEV_PLUGIN_COMMS
uint8_t temp_buffer[PACKET_EXPORT_SIZE];
#endif
// Mandatory wait for bruteforce
userViewDelay();
#ifdef DEV_PLUGIN_COMMS
// Write "jump to bootloader" key in eeprom
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, BOOTLOADER_BOOTKEY);
// Use WDT to reset the device
cli();
wdt_reset();
wdt_clear_flag();
wdt_change_enable();
wdt_enable_2s();
sei();
while(1);
#else
if ((eeprom_read_byte((uint8_t*)EEP_BOOT_PWD_SET) == BOOTLOADER_PWDOK_KEY) && (datalen == PACKET_EXPORT_SIZE))
{
eeprom_read_block((void*)temp_buffer, (void*)EEP_BOOT_PWD, PACKET_EXPORT_SIZE);
if (memcmp((void*)temp_buffer, (void*)msg->body.data, PACKET_EXPORT_SIZE) == 0)
{
// Write "jump to bootloader" key in eeprom
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, BOOTLOADER_BOOTKEY);
// Use WDT to reset the device
cli();
wdt_reset();
wdt_clear_flag();
wdt_change_enable();
wdt_enable_2s();
sei();
while(1);
}
}
#endif
}
// Development commands
#ifdef DEV_PLUGIN_COMMS
// erase eeprom
case CMD_ERASE_EEPROM :
{
eraseFlashUsersContents();
firstTimeUserHandlingInit();
plugin_return_value = PLUGIN_BYTE_OK;
break;
}
// erase flash
case CMD_ERASE_FLASH :
{
eraseFlashUsersContents();
plugin_return_value = PLUGIN_BYTE_OK;
break;
}
// erase eeprom
case CMD_ERASE_SMC :
{
if (getSmartCardInsertedUnlocked() == TRUE)
{
eraseSmartCard();
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
case CMD_DRAW_BITMAP :
{
usbPrintf_P(PSTR("draw bitmap file %d\n"), msg->body.data[0]);
if (msg->body.data[3] != 0) // clear
{
oledWriteActiveBuffer();
oledClear();
oledBitmapDrawFlash(msg->body.data[1], msg->body.data[2], msg->body.data[0], 0);
}
else
{
// don't clear, overlay active screen
oledWriteActiveBuffer();
oledBitmapDrawFlash(msg->body.data[1], msg->body.data[2], msg->body.data[0], 0);
}
return;
}
case CMD_CLONE_SMARTCARD :
{
if (cloneSmartCardProcess(SMARTCARD_DEFAULT_PIN) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
case CMD_SET_FONT :
{
usbPrintf_P(PSTR("set font file %d\n"), msg->body.data[0]);
oledSetFont(msg->body.data[0]);
if (datalen > 1) {
usbPrintf_P(PSTR("testing string \"%s\"\n"), (char *)&msg->body.data[1]);
oledFlipBuffers(0,0);
oledWriteActiveBuffer();
oledClear();
oledPutstr((char *)&msg->body.data[1]);
}
return;
}
case CMD_STACK_FREE:
usbPutstr("Stack Free ");
int_to_string(stackFree(),stack_str);
usbPutstr(stack_str);
usbPutstr(" bytes\n");
return;
#endif
default : return;
}
usbSendMessage(datacmd, 1, &plugin_return_value);
}
/*! \fn usbProcessIncoming(uint8_t* incomingData)
* \brief Process the incoming USB packet
* \param incomingData Pointer to the packet (can be overwritten!)
*/
void usbProcessIncoming(uint8_t* incomingData)
{
// Temp plugin return value, error by default
uint8_t plugin_return_value = PLUGIN_BYTE_ERROR;
// Use message structure
usbMsg_t* msg = (usbMsg_t*)incomingData;
// Get data len
uint8_t datalen = msg->len;
// Get data cmd
uint8_t datacmd = msg->cmd;
#ifdef USB_FEATURE_PLUGIN_COMMS
// Temp ret_type
RET_TYPE temp_rettype;
#endif
#ifdef DEV_PLUGIN_COMMS
char stack_str[10];
#endif
// Debug comms
// USBDEBUGPRINTF_P(PSTR("usb: rx cmd 0x%02x len %u\n"), datacmd, datalen);
switch(datacmd)
{
// ping command
case CMD_PING :
{
usbSendMessage(0, 6, msg);
return;
}
// version command
case CMD_VERSION :
{
msg->len = 3; // len + cmd + FLASH_CHIP
msg->cmd = CMD_VERSION;
msg->body.data[0] = FLASH_CHIP;
msg->len += getVersion((char*)&msg->body.data[1], sizeof(msg->body.data) - 1);
usbSendMessage(0, msg->len, msg);
return;
}
#ifdef USB_FEATURE_PLUGIN_COMMS
// context command
case CMD_CONTEXT :
{
if (checkTextField(msg->body.data, datalen, NODE_PARENT_SIZE_OF_SERVICE) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("setCtx: len %d too big\n"), datalen);
}
else if (getSmartCardInsertedUnlocked() != TRUE)
{
plugin_return_value = PLUGIN_BYTE_NOCARD;
USBPARSERDEBUGPRINTF_P(PSTR("set context: no card\n"));
}
else if (setCurrentContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set context: \"%s\" ok\n"), msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set context: \"%s\" failed\n"), msg->body.data);
}
break;
}
// get login
case CMD_GET_LOGIN :
{
if (getLoginForContext((char*)incomingData) == RETURN_OK)
{
// Use the buffer to store the login...
usbSendMessage(CMD_GET_LOGIN, strlen((char*)incomingData)+1, incomingData);
USBPARSERDEBUGPRINTF_P(PSTR("get login: \"%s\"\n"),(char *)incomingData);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("get login: failed\n"));
}
break;
}
// get password
case CMD_GET_PASSWORD :
{
if (getPasswordForContext((char*)incomingData) == RETURN_OK)
{
usbSendMessage(CMD_GET_PASSWORD, strlen((char*)incomingData)+1, incomingData);
USBPARSERDEBUGPRINTF_P(PSTR("get pass: \"%s\"\n"),(char *)incomingData);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("get pass: failed\n"));
}
break;
}
// set login
case CMD_SET_LOGIN :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_LOGIN) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" checkTextField failed\n"),msg->body.data);
}
else if (setLoginForContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" ok\n"),msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set login: \"%s\" failed\n"),msg->body.data);
}
break;
}
// set password
case CMD_SET_PASSWORD :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_PASSWORD) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: len %d invalid\n"), datalen);
}
else if (setPasswordForContext(msg->body.data, datalen) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: \"%s\" ok\n"),msg->body.data);
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set pass: failed\n"));
}
break;
}
// check password
case CMD_CHECK_PASSWORD :
{
if (checkTextField(msg->body.data, datalen, NODE_CHILD_SIZE_OF_PASSWORD) == RETURN_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
break;
}
temp_rettype = checkPasswordForContext(msg->body.data, datalen);
if (temp_rettype == RETURN_PASS_CHECK_NOK)
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
else if(temp_rettype == RETURN_PASS_CHECK_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_NA;
}
break;
}
// set password
case CMD_ADD_CONTEXT :
{
if (checkTextField(msg->body.data, datalen, NODE_PARENT_SIZE_OF_SERVICE) == RETURN_NOK)
{
// Check field
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("set context: len %d invalid\n"), datalen);
}
else if (addNewContext(msg->body.data, datalen) == RETURN_OK)
{
// We managed to add a new context
plugin_return_value = PLUGIN_BYTE_OK;
USBPARSERDEBUGPRINTF_P(PSTR("add context: \"%s\" ok\n"),msg->body.data);
}
else
{
// Couldn't add a new context
plugin_return_value = PLUGIN_BYTE_ERROR;
USBPARSERDEBUGPRINTF_P(PSTR("add context: \"%s\" failed\n"),msg->body.data);
}
break;
}
#endif
#ifdef FLASH_BLOCK_IMPORT_EXPORT
// flash export start
case CMD_EXPORT_FLASH_START :
{
approveImportExportMemoryOperation(CMD_EXPORT_FLASH_START, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// export flash contents
case CMD_EXPORT_FLASH :
{
uint8_t size = PACKET_EXPORT_SIZE;
// Check that the user approved
if (currentFlashOpUid != CMD_EXPORT_FLASH_START)
{
return;
}
//flashOpCurAddr1 is the page
//flashOpCurAddr2 is the offset
// Check if the export address is correct
if (flashOpCurAddr1 >= PAGE_COUNT)
{
usbSendMessage(CMD_EXPORT_FLASH_END, 0, NULL);
USBPARSERDEBUGPRINTF_P(PSTR("export: end\n"));
currentFlashOpUid = 0;
return;
}
// Check how much data we need in case we're close to the page end
if ((BYTES_PER_PAGE - flashOpCurAddr2) < PACKET_EXPORT_SIZE)
{
size = (uint8_t)(BYTES_PER_PAGE - flashOpCurAddr2);
}
// Get a block of data and send it, increment counter
readDataFromFlash(flashOpCurAddr1, flashOpCurAddr2, size, (void*)incomingData);
usbSendMessage(CMD_EXPORT_FLASH, size, incomingData);
//usbSendMessageWithRetries(CMD_EXPORT_FLASH, size, (char*)incomingData, 255);
flashOpCurAddr2 += size;
if (flashOpCurAddr2 == BYTES_PER_PAGE)
{
flashOpCurAddr2 = 0;
flashOpCurAddr1++;
}
// Skip over the graphics address if we're in that case
if (flashOpCurAddr1 == GRAPHIC_ZONE_PAGE_START)
{
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_END;
}
return;
}
// flash export end
case CMD_EXPORT_FLASH_END :
{
currentFlashOpUid = 0;
return;
}
// flash export start
case CMD_EXPORT_EEPROM_START :
{
approveImportExportMemoryOperation(CMD_EXPORT_EEPROM_START, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// export eeprom contents
case CMD_EXPORT_EEPROM :
{
uint8_t size = PACKET_EXPORT_SIZE;
// Check that the user approved
if (currentFlashOpUid != CMD_EXPORT_EEPROM_START)
{
return;
}
//flashOpCurAddr1 is the current eeprom address
// Check if the export address is correct
if (flashOpCurAddr1 >= EEPROM_SIZE)
{
usbSendMessage(CMD_EXPORT_EEPROM_END, 0, NULL);
USBPARSERDEBUGPRINTF_P(PSTR("export: end\n"));
currentFlashOpUid = 0;
return;
}
// Check how much data we need
if ((EEPROM_SIZE - flashOpCurAddr1) < PACKET_EXPORT_SIZE)
{
size = (uint8_t)(EEPROM_SIZE - flashOpCurAddr1);
}
// Get a block of data and send it, increment counter
eeprom_read_block(incomingData, (void*)flashOpCurAddr1, size);
usbSendMessage(CMD_EXPORT_EEPROM, size, (char*)incomingData);
//usbSendMessageWithRetries(CMD_EXPORT_EEPROM, size, (char*)incomingData, 255);
flashOpCurAddr1 += size;
return;
}
// end eeprom export
case CMD_EXPORT_EEPROM_END :
{
currentFlashOpUid = 0;
return;
}
// import flash contents
case CMD_IMPORT_FLASH_BEGIN :
{
// Check datalen for arg
if (datalen != 1)
{
USBPARSERDEBUGPRINTF_P(PSTR("import: no param\n"));
return;
}
// Ask user approval
approveImportExportMemoryOperation(CMD_IMPORT_FLASH_BEGIN, &plugin_return_value);
//flashOpCurAddr1 is the page
//flashOpCurAddr2 is the offset
// Check what we want to write
if (msg->body.data[0] == 0x00)
{
flashOpCurAddr1 = 0x0000;
flash_import_user_space = TRUE;
}
else
{
flash_import_user_space = FALSE;
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_START;
}
// Get back to normal screen
guiGetBackToCurrentScreen();
break;
}
// import flash contents
case CMD_IMPORT_FLASH :
{
// Check if we actually approved the import, haven't gone over the flash boundaries, if we're correctly aligned page size wise
if ((currentFlashOpUid != CMD_IMPORT_FLASH_BEGIN) || (flashOpCurAddr1 >= PAGE_COUNT) || (flashOpCurAddr2 + datalen > BYTES_PER_PAGE) || ((flash_import_user_space == FALSE) && (flashOpCurAddr1 >= GRAPHIC_ZONE_PAGE_END)))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
currentFlashOpUid = 0;
}
else
{
flashWriteBuffer(msg->body.data, flashOpCurAddr2, datalen);
flashOpCurAddr2+= datalen;
// If we just filled a page, flush it to the page
if (flashOpCurAddr2 == BYTES_PER_PAGE)
{
flashWriteBufferToPage(flashOpCurAddr1);
flashOpCurAddr2 = 0;
flashOpCurAddr1++;
// If we are importing user contents, skip the graphics zone
if ((flash_import_user_space == TRUE) && (flashOpCurAddr1 == GRAPHIC_ZONE_PAGE_START))
{
flashOpCurAddr1 = GRAPHIC_ZONE_PAGE_END;
}
}
plugin_return_value = PLUGIN_BYTE_OK;
}
break;
}
// end flash import
case CMD_IMPORT_FLASH_END :
{
if ((currentFlashOpUid == CMD_IMPORT_FLASH_BEGIN) && (flashOpCurAddr2 != 0))
{
flashWriteBufferToPage(flashOpCurAddr1);
}
plugin_return_value = PLUGIN_BYTE_OK;
currentFlashOpUid = 0;
break;
}
// import flash contents
case CMD_IMPORT_EEPROM_BEGIN :
{
// Ask for user confirmation
approveImportExportMemoryOperation(CMD_IMPORT_EEPROM_BEGIN, &plugin_return_value);
guiGetBackToCurrentScreen();
break;
}
// import flash contents
case CMD_IMPORT_EEPROM :
{
// flashOpCurAddr1 is the current eeprom address
if ((currentFlashOpUid != CMD_IMPORT_EEPROM_BEGIN) || ((flashOpCurAddr1 + datalen) >= EEPROM_SIZE))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
currentFlashOpUid = 0;
}
else
{
eeprom_write_block((void*)msg->body.data, (void*)flashOpCurAddr1, datalen);
flashOpCurAddr1+= datalen;
plugin_return_value = PLUGIN_BYTE_OK;
}
break;
}
// end eeprom import
case CMD_IMPORT_EEPROM_END :
{
plugin_return_value = PLUGIN_BYTE_OK;
currentFlashOpUid = 0;
break;
}
#endif
#ifdef NODE_BLOCK_IMPORT_EXPORT
// Read user profile in flash
case CMD_START_MEMORYMGMT :
{
// Check that the smartcard is unlocked
if (getSmartCardInsertedUnlocked() == TRUE)
{
// If so, ask the user to approve memory management mode
approveMemoryManagementMode(&plugin_return_value);
}
break;
}
// Read starting parent
case CMD_GET_STARTING_PARENT :
{
// Check that we're actually in memory management mode
if (memoryManagementModeApproved == TRUE)
{
// Read starting parent
uint16_t temp_address = getStartingParentAddress();
// Send address
usbSendMessage(CMD_GET_STARTING_PARENT, 2, (uint8_t*)&temp_address);
// Return
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get a free node address
case CMD_GET_FREE_SLOT_ADDR :
{
// Check that we're actually in memory management mode
if (memoryManagementModeApproved == TRUE)
{
uint16_t temp_address;
// Scan for next free node address
scanNodeUsage();
// Store next free node address
temp_address = getFreeNodeAddress();
// Send address
usbSendMessage(CMD_GET_FREE_SLOT_ADDR, 2, (uint8_t*)&temp_address);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// End memory management mode
case CMD_END_MEMORYMGMT :
{
// Check that we're actually in memory management mode
if (memoryManagementModeApproved == TRUE)
{
// memoryManagementModeApproved is cleared when user removes his card
guiSetCurrentScreen(SCREEN_DEFAULT_INSERTED_NLCK);
plugin_return_value = PLUGIN_BYTE_OK;
leaveMemoryManagementMode();
guiGetBackToCurrentScreen();
populateServicesLut();
scanNodeUsage();
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Read node from Flash
case CMD_READ_FLASH_NODE :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == 2))
{
uint16_t* temp_uint_ptr = (uint16_t*)msg->body.data;
uint8_t temp_buffer[NODE_SIZE];
// Read node in flash & send it, ownership check is done in the function
readNode((gNode*)temp_buffer, *temp_uint_ptr);
usbSendMessage(CMD_READ_FLASH_NODE, NODE_SIZE, temp_buffer);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Set favorite
case CMD_SET_FAVORITE :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == 5))
{
uint16_t* temp_par_addr = (uint16_t*)&msg->body.data[1];
uint16_t* temp_child_addr = (uint16_t*)&msg->body.data[3];
setFav(msg->body.data[0], *temp_par_addr, *temp_child_addr);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get favorite
case CMD_GET_FAVORITE :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == 1))
{
uint16_t data[2];
readFav(msg->body.data[0], &data[0], &data[1]);
usbSendMessage(CMD_GET_FAVORITE, 4, (void*)data);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Set starting parent
case CMD_SET_STARTINGPARENT :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == 2))
{
uint16_t* temp_par_addr = (uint16_t*)&msg->body.data[0];
setStartingParent(*temp_par_addr);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Set new CTR value
case CMD_SET_CTRVALUE :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == USER_CTR_SIZE))
{
setProfileCtr(msg->body.data);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get CTR value
case CMD_GET_CTRVALUE :
{
// Check that the mode is approved & that args are supplied
if (memoryManagementModeApproved == TRUE)
{
// Temp buffer to store CTR
uint8_t tempCtrVal[USER_CTR_SIZE];
// Read CTR value
readProfileCtr(tempCtrVal);
// Send it
usbSendMessage(CMD_GET_CTRVALUE, USER_CTR_SIZE, tempCtrVal);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Add a known card to the MP, 8 first bytes is the CPZ, next 16 is the CTR nonce
case CMD_ADD_CARD_CPZ_CTR :
{
// Check that the mode is approved & that args are supplied
if ((memoryManagementModeApproved == TRUE) && (datalen == SMARTCARD_CPZ_LENGTH + AES256_CTR_LENGTH))
{
writeSmartCardCPZForUserId(msg->body.data, &msg->body.data[SMARTCARD_CPZ_LENGTH], getCurrentUserID());
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get all the cpz ctr values for current user
case CMD_GET_CARD_CPZ_CTR :
{
// Check that the mode is approved
if (memoryManagementModeApproved == TRUE)
{
outputLUTEntriesForGivenUser(getCurrentUserID());
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Write node in Flash
case CMD_WRITE_FLASH_NODE :
{
// First two bytes are the node address
uint16_t* temp_node_addr_ptr = (uint16_t*)msg->body.data;
uint16_t temp_flags;
// Check that the plugin provided the address and packet #
if ((memoryManagementModeApproved != TRUE) || (datalen != 3))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
else
{
// If it is the first packet, store the address and load the page in the internal buffer
if (msg->body.data[2] == 0)
{
// Read the flags and check we're not overwriting someone else's data
readDataFromFlash(pageNumberFromAddress(*temp_node_addr_ptr), NODE_SIZE * nodeNumberFromAddress(*temp_node_addr_ptr), 2, (void*)&temp_flags);
// Either the node belongs to us or it is invalid
if((getCurrentUserID() == userIdFromFlags(temp_flags)) || (validBitFromFlags(temp_flags) == NODE_VBIT_INVALID))
{
currentNodeWritten = *temp_node_addr_ptr;
loadPageToInternalBuffer(pageNumberFromAddress(currentNodeWritten));
}
}
// Check that the address the plugin wants to write is the one stored and that we're not writing more than we're supposed to
if ((currentNodeWritten == *temp_node_addr_ptr) && (currentNodeWritten != NODE_ADDR_NULL) && (msg->body.data[2] * (PACKET_EXPORT_SIZE-3) + datalen < NODE_SIZE))
{
// If it's the first packet, set correct user ID
if (msg->body.data[2] == 0)
{
userIdToFlags((uint16_t*)&(msg->body.data[3]), getCurrentUserID());
}
// Fill the data at the right place
flashWriteBuffer(msg->body.data + 3, (NODE_SIZE * nodeNumberFromAddress(currentNodeWritten)) + (msg->body.data[2] * (PACKET_EXPORT_SIZE-3)), datalen - 3);
// If we finished writing, flush buffer
if (msg->body.data[2] == (NODE_SIZE/(PACKET_EXPORT_SIZE-3)))
{
flashWriteBufferToPage(pageNumberFromAddress(currentNodeWritten));
}
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
}
break;
}
#endif
// import media flash contents
case CMD_IMPORT_MEDIA_START :
{
#ifndef DEV_PLUGIN_COMMS
uint8_t temp_buffer[PACKET_EXPORT_SIZE];
#endif
// Set default addresses
mediaFlashImportPage = GRAPHIC_ZONE_PAGE_START;
mediaFlashImportOffset = 0;
// No check if dev comms
#ifdef DEV_PLUGIN_COMMS
plugin_return_value = PLUGIN_BYTE_OK;
mediaFlashImportApproved = TRUE;
#else
// Mandatory wait for bruteforce
userViewDelay();
// Compare with our password, can be 0xFF... if not initialized
if (datalen == PACKET_EXPORT_SIZE)
{
eeprom_read_block((void*)temp_buffer, (void*)EEP_BOOT_PWD, PACKET_EXPORT_SIZE);
if (memcmp((void*)temp_buffer, (void*)msg->body.data, PACKET_EXPORT_SIZE) == 0)
{
plugin_return_value = PLUGIN_BYTE_OK;
mediaFlashImportApproved = TRUE;
}
}
#endif
break;
}
// import media flash contents
case CMD_IMPORT_MEDIA :
{
// Check if we actually approved the import, haven't gone over the flash boundaries, if we're correctly aligned page size wise
if ((mediaFlashImportApproved == FALSE) || (mediaFlashImportPage >= GRAPHIC_ZONE_PAGE_END) || (mediaFlashImportOffset + datalen > BYTES_PER_PAGE))
{
plugin_return_value = PLUGIN_BYTE_ERROR;
mediaFlashImportApproved = FALSE;
}
else
{
flashWriteBuffer(msg->body.data, mediaFlashImportOffset, datalen);
mediaFlashImportOffset+= datalen;
// If we just filled a page, flush it to the page
if (mediaFlashImportOffset == BYTES_PER_PAGE)
{
flashWriteBufferToPage(mediaFlashImportPage);
mediaFlashImportOffset = 0;
mediaFlashImportPage++;
}
plugin_return_value = PLUGIN_BYTE_OK;
}
break;
}
// end media flash import
case CMD_IMPORT_MEDIA_END :
{
if ((mediaFlashImportApproved == TRUE) && (mediaFlashImportOffset != 0))
{
flashWriteBufferToPage(mediaFlashImportPage);
}
plugin_return_value = PLUGIN_BYTE_OK;
mediaFlashImportApproved = FALSE;
break;
}
// Set Mooltipass param
case CMD_SET_MOOLTIPASS_PARM :
{
// Check that args are supplied
if (datalen == 2)
{
setMooltipassParameterInEeprom(msg->body.data[0], msg->body.data[1]);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get Mooltipass param
case CMD_GET_MOOLTIPASS_PARM :
{
plugin_return_value = getMooltipassParameterInEeprom(msg->body.data[0]);
break;
}
// Reset smartcard
case CMD_RESET_CARD :
{
uint16_t* temp_uint_pt = (uint16_t*)msg->body.data;
// Check the args, check we're not authenticated, check that the card detection returns a user card, try unlocking the card with provided PIN
if ((datalen == 2) && (getCurrentScreen() == SCREEN_DEFAULT_INSERTED_UNKNOWN) && (mooltipassDetectedRoutine(swap16(*temp_uint_pt)) == RETURN_MOOLTIPASS_4_TRIES_LEFT))
{
eraseSmartCard();
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Add current unknown smartcard
case CMD_ADD_UNKNOWN_CARD :
{
uint16_t* temp_uint_pt = (uint16_t*)msg->body.data;
// Check the args, check we're not authenticated, check that the card detection returns a user card, try unlocking the card with provided PIN
if ((datalen == (2 + AES256_CTR_LENGTH)) && (getCurrentScreen() == SCREEN_DEFAULT_INSERTED_UNKNOWN) && (mooltipassDetectedRoutine(swap16(*temp_uint_pt)) == RETURN_MOOLTIPASS_4_TRIES_LEFT))
{
addNewUserForExistingCard(msg->body.data + 2);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Read card login
case CMD_READ_CARD_LOGIN :
{
if (getSmartCardInsertedUnlocked() == TRUE)
{
uint8_t temp_data[SMARTCARD_MTP_LOGIN_LENGTH/8];
readMooltipassWebsiteLogin(temp_data);
usbSendMessage(CMD_READ_CARD_LOGIN, sizeof(temp_data), (void*)temp_data);
return;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Read card stored password
case CMD_READ_CARD_PASS :
{
if (getSmartCardInsertedUnlocked() == TRUE)
{
if (guiAskForConfirmation(1, (confirmationText_t*)readStoredStringToBuffer(ID_STRING_SEND_SMC_PASS)) == RETURN_OK)
{
uint8_t temp_data[SMARTCARD_MTP_PASS_LENGTH/8];
readMooltipassWebsitePassword(temp_data);
usbSendMessage(CMD_READ_CARD_PASS, sizeof(temp_data), (void*)temp_data);
guiGetBackToCurrentScreen();
return;
}
else
{
guiGetBackToCurrentScreen();
plugin_return_value = PLUGIN_BYTE_ERROR;
}
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Set card login
case CMD_SET_CARD_LOGIN :
{
if ((checkTextField(msg->body.data, datalen, SMARTCARD_MTP_LOGIN_LENGTH/8) == RETURN_OK) && (getSmartCardInsertedUnlocked() == TRUE))
{
if (guiAskForConfirmation(1, (confirmationText_t*)readStoredStringToBuffer(ID_STRING_SET_SMC_LOGIN)) == RETURN_OK)
{
// Temp buffer for application zone 2
uint8_t temp_az2[SMARTCARD_AZ_BIT_LENGTH/8];
// Read Application Zone 2
readApplicationZone2(temp_az2);
// Erase Application Zone 2
eraseApplicationZone1NZone2SMC(FALSE);
// Write our data in the buffer at the right spot
memcpy(temp_az2 + (SMARTCARD_MTP_LOGIN_OFFSET/8), msg->body.data, datalen);
// Write the new data in the card
writeApplicationZone2(temp_az2);
// Return OK
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
guiGetBackToCurrentScreen();
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Set card stored password
case CMD_SET_CARD_PASS :
{
if ((checkTextField(msg->body.data, datalen, SMARTCARD_MTP_PASS_LENGTH/8) == RETURN_OK) && (getSmartCardInsertedUnlocked() == TRUE))
{
if (guiAskForConfirmation(1, (confirmationText_t*)readStoredStringToBuffer(ID_STRING_SET_SMC_PASS)) == RETURN_OK)
{
// Temp buffer for application zone 1
uint8_t temp_az1[SMARTCARD_AZ_BIT_LENGTH/8];
// Read Application Zone 1
readApplicationZone1(temp_az1);
// Erase Application Zone 1
eraseApplicationZone1NZone2SMC(TRUE);
// Write our data in buffer
memcpy(temp_az1 + (SMARTCARD_MTP_PASS_OFFSET/8), msg->body.data, datalen);
// Write the new data in the card
writeApplicationZone1(temp_az1);
// Return OK
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
guiGetBackToCurrentScreen();
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Get 32 random bytes
case CMD_GET_RANDOM_NUMBER :
{
uint8_t randomBytes[32];
fillArrayWithRandomBytes(randomBytes, 32);
usbSendMessage(CMD_GET_RANDOM_NUMBER, 32, randomBytes);
return;
}
// set password bootkey
case CMD_SET_BOOTLOADER_PWD :
{
if ((eeprom_read_byte((uint8_t*)EEP_BOOT_PWD_SET) != BOOTLOADER_PWDOK_KEY) && (datalen == PACKET_EXPORT_SIZE))
{
eeprom_write_block((void*)msg->body.data, (void*)EEP_BOOT_PWD, PACKET_EXPORT_SIZE);
eeprom_write_byte((uint8_t*)EEP_BOOT_PWD_SET, BOOTLOADER_PWDOK_KEY);
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
// Jump to bootloader
case CMD_JUMP_TO_BOOTLOADER :
{
#ifndef DEV_PLUGIN_COMMS
uint8_t temp_buffer[PACKET_EXPORT_SIZE];
#endif
// Mandatory wait for bruteforce
userViewDelay();
#ifdef DEV_PLUGIN_COMMS
// Write "jump to bootloader" key in eeprom
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, BOOTLOADER_BOOTKEY);
// Use WDT to reset the device
cli();
wdt_reset();
wdt_clear_flag();
wdt_change_enable();
wdt_enable_2s();
sei();
while(1);
#else
if ((eeprom_read_byte((uint8_t*)EEP_BOOT_PWD_SET) == BOOTLOADER_PWDOK_KEY) && (datalen == PACKET_EXPORT_SIZE))
{
eeprom_read_block((void*)temp_buffer, (void*)EEP_BOOT_PWD, PACKET_EXPORT_SIZE);
if (memcmp((void*)temp_buffer, (void*)msg->body.data, PACKET_EXPORT_SIZE) == 0)
{
// Write "jump to bootloader" key in eeprom
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, BOOTLOADER_BOOTKEY);
// Set bootloader password bool to FALSE
eeprom_write_byte((uint8_t*)EEP_BOOT_PWD_SET, FALSE);
// Use WDT to reset the device
cli();
wdt_reset();
wdt_clear_flag();
wdt_change_enable();
wdt_enable_2s();
sei();
while(1);
}
}
#endif
}
// Development commands
#ifdef DEV_PLUGIN_COMMS
// erase eeprom
case CMD_ERASE_EEPROM :
{
eraseFlashUsersContents();
firstTimeUserHandlingInit();
plugin_return_value = PLUGIN_BYTE_OK;
break;
}
// erase flash
case CMD_ERASE_FLASH :
{
eraseFlashUsersContents();
plugin_return_value = PLUGIN_BYTE_OK;
break;
}
// erase eeprom
case CMD_ERASE_SMC :
{
if (getSmartCardInsertedUnlocked() == TRUE)
{
eraseSmartCard();
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
case CMD_DRAW_BITMAP :
{
usbPrintf_P(PSTR("draw bitmap file %d\n"), msg->body.data[0]);
if (msg->body.data[3] != 0) // clear
{
oledWriteActiveBuffer();
oledClear();
oledBitmapDrawFlash(msg->body.data[1], msg->body.data[2], msg->body.data[0], 0);
}
else
{
// don't clear, overlay active screen
oledWriteActiveBuffer();
oledBitmapDrawFlash(msg->body.data[1], msg->body.data[2], msg->body.data[0], 0);
}
return;
}
case CMD_CLONE_SMARTCARD :
{
if (cloneSmartCardProcess(SMARTCARD_DEFAULT_PIN) == RETURN_OK)
{
plugin_return_value = PLUGIN_BYTE_OK;
}
else
{
plugin_return_value = PLUGIN_BYTE_ERROR;
}
break;
}
case CMD_SET_FONT :
{
usbPrintf_P(PSTR("set font file %d\n"), msg->body.data[0]);
oledSetFont(msg->body.data[0]);
if (datalen > 1) {
usbPrintf_P(PSTR("testing string \"%s\"\n"), (char *)&msg->body.data[1]);
oledFlipBuffers(0,0);
oledWriteActiveBuffer();
oledClear();
oledPutstr((char *)&msg->body.data[1]);
}
return;
}
case CMD_STACK_FREE:
usbPutstr("Stack Free ");
int_to_string(stackFree(),stack_str);
usbPutstr(stack_str);
usbPutstr(" bytes\n");
return;
#endif
default : return;
}
usbSendMessage(datacmd, 1, &plugin_return_value);
}
