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TegraRcmGUI/kourou/kourou.cpp
2020-12-11 12:46:53 +01:00

519 lines
13 KiB
C++

/*
* Copyright (c) 2020 eliboa
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "kourou.h"
#include <iostream>
#include <fstream>
using namespace std;
Kourou::Kourou()
{
}
bool Kourou::initDevice(KLST_DEVINFO_HANDLE deviceInfo)
{
m_rcm_ready = RcmDevice::initDevice(deviceInfo);
m_ariane_ready = false;
// If RCM device is not ready, check if Ariane is already loaded
if (!m_rcm_ready && getStatus() == CONNECTED)
{
m_ariane_ready = arianeIsReady_sync();
return m_ariane_ready;
}
return m_rcm_ready;
}
int Kourou::hack(const char* payload_path)
{
if (!arianeIsReady())
return RcmDevice::hack(payload_path);
ifstream userPayload(payload_path, ios::in | ios::binary | ios::ate);
if (!userPayload.is_open())
return OPEN_FILE_FAILED;
const auto userPayloadSize = int(userPayload.tellg());
if (userPayloadSize > PAYLOAD_MAX_SIZE)
return PAYLOAD_TOO_LARGE;
userPayload.seekg(0, ios::beg);
char *userPayloadBuffer = new char[userPayloadSize];
userPayload.read(&userPayloadBuffer[0], userPayloadSize);
bool error = !(userPayload) || int(userPayload.tellg()) != userPayloadSize;
userPayload.close();
if (error)
{
delete[] userPayloadBuffer;
return OPEN_FILE_FAILED;
}
int res = hack((u8*)userPayloadBuffer, (u32)userPayloadSize);
delete[] userPayloadBuffer;
return res;
}
int Kourou::hack(u8 *payload_buff, u32 buff_size)
{
if (!arianeIsReady())
return RcmDevice::hack(payload_buff, buff_size);
UC_EXEC uc;
uc.command = PUSH_PAYLOAD;
uc.bin_size = buff_size;
if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return USB_WRITE_FAILED;
// Get response
bool response = false;
if (!readResponse(&response, sizeof(bool)) && !response)
return USB_WRITE_FAILED;
if (sendBinPackets((char*)payload_buff, buff_size) != buff_size)
return USB_WRITE_FAILED;
m_ariane_ready = false;
return SUCCESS;
}
void Kourou::disconnect()
{
RcmDevice::disconnect();
m_rcm_ready = false;
m_ariane_ready = false;
memset(&m_di, 0, sizeof(UC_DeviceInfo));
m_di_set = false;
}
bool Kourou::sdmmc_isDir(const char* path)
{
if (path == nullptr)
return false;
UC_SDIO uc;
uc.command = ISDIR_SD;
strcpy_s(uc.path, array_countof(uc.path), path);
if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return false;
u32 res = 0;
if (!readResponse(&res, sizeof(u32)))
return false;
return res == SUCCESS ? true : false;
}
bool Kourou::sdmmc_mkDir(const char* path)
{
if (path == nullptr)
return false;
UC_SDIO uc;
uc.command = MKDIR_SD;
strcpy_s(uc.path, array_countof(uc.path), path);
if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return false;
u32 res = 0;
if (!readResponse(&res, sizeof(u32)))
return false;
return res == SUCCESS ? true : false;
}
bool Kourou::sdmmc_mkPath(const char* path)
{
if (path == nullptr)
return false;
UC_SDIO uc;
uc.command = MKPATH_SD;
strcpy_s(uc.path, array_countof(uc.path), path);
if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return false;
u32 res = 0;
if (!readResponse(&res, sizeof(u32)))
return false;
return res == SUCCESS ? true : false;
}
u32 Kourou::sdmmc_fileSize(const char* path)
{
if (path == nullptr)
return 0;
UC_SDIO uc;
uc.command = SIZE_SD_FILE;
strcpy_s(uc.path, array_countof(uc.path), path);
int bytesSent = write((const u8*)&uc, sizeof(uc));
if (bytesSent != sizeof(uc))
return 0;
u32 size = 0;
if (!readResponse(&size, sizeof(u32)))
return 0;
return size;
}
int Kourou::sdmmc_readFile(const char* path, Bytes *dest, u32 *bytesRead)
{
if (path == nullptr)
return BAD_ARGUMENT;
UC_SDIO uc;
if (strlen(path) > array_countof(uc.path)-1)
return PATH_TOO_LONG;
if (dest->size())
dest->clear();
uc.command = READ_SD_FILE;
strcpy_s(uc.path, array_countof(uc.path), path);
// Send command to device
int bytesSent = write((const u8*)&uc, sizeof(uc));
if (bytesSent != sizeof(uc))
return SEND_COMMAND_FAILED;
u32 file_size = 0;
if (!readResponse(&file_size, sizeof(u32)))
return USB_WRITE_FAILED;
if (!file_size)
return OPEN_FILE_FAILED;
u8 usb_buffer[USB_BUFFER_LENGTH];
UC_BlockHeader *bh = (UC_BlockHeader*)&usb_buffer[0];
u32 offset = 0;
while (offset < file_size)
{
memset(&usb_buffer[0], 0, USB_BUFFER_LENGTH);
if (read(usb_buffer, USB_BUFFER_LENGTH) != USB_BUFFER_LENGTH)
return USB_READ_FAILED;
if (bh->signature != BIN_PACKET || !bh->block_size)
return USB_READ_FAILED;
dest->insert(dest->end(), &usb_buffer[32], &usb_buffer[32] + bh->block_size);
offset += bh->block_size;
bool res = true;
sendResponse(&res, sizeof(res));
}
if (nullptr != bytesRead)
*bytesRead = offset;
return offset == file_size ? SUCCESS : USB_READ_FAILED;
}
int Kourou::sdmmc_readFile(const char* path, u8 *buffer, u32 size, u32 *bytesRead)
{
if (path == nullptr || !size)
return BAD_ARGUMENT;
UC_SDIO uc;
if (strlen(path) > array_countof(uc.path)-1)
return PATH_TOO_LONG;
uc.command = READ_SD_FILE;
strcpy_s(uc.path, array_countof(uc.path), path);
// Send command to device
int bytesSent = write((const u8*)&uc, sizeof(uc));
if (bytesSent != sizeof(uc))
return SEND_COMMAND_FAILED;
u32 file_size = 0;
if (!readResponse(&file_size, sizeof(u32)))
return USB_WRITE_FAILED;
if (!file_size)
return OPEN_FILE_FAILED;
if (file_size > size)
return BUFFER_TOO_SMALL;
u8 usb_buffer[USB_BUFFER_LENGTH];
u32 offset = 0;
UC_BlockHeader *bh = (UC_BlockHeader*)&usb_buffer[0];
while (offset < file_size)
{
memset(&usb_buffer[0], 0, USB_BUFFER_LENGTH);
if (read(usb_buffer, USB_BUFFER_LENGTH) != USB_BUFFER_LENGTH)
return USB_READ_FAILED;
if (bh->signature != BIN_PACKET || !bh->block_size)
return USB_READ_FAILED;
memcpy(&buffer[offset], &usb_buffer[32], bh->block_size);
offset += bh->block_size;
bool res = true;
sendResponse(&res, sizeof(res));
}
if (nullptr != bytesRead)
*bytesRead = offset;
bool res = USB_READ_FAILED;
readResponse(&res, sizeof(bool));
return res ? SUCCESS : USB_READ_FAILED;
}
int Kourou::
sdmmc_writeFile(Bytes *in_bytes, const char *out_path, bool create_always)
{
UC_SDIO uc;
if (strlen(out_path) > array_countof(uc.path)-1)
return PATH_TOO_LONG;
if (!in_bytes->size())
return OPEN_FILE_FAILED;
if (in_bytes->size() > MAX_FILE_SIZE)
return FILE_TOO_LARGE;
uc.command = WRITE_SD_FILE;
memset(uc.path, 0, array_countof(uc.path));
uc.create_always = create_always;
strcpy_s(uc.path, array_countof(uc.path), out_path);
uc.file_size = in_bytes->size();
// Send command to device
int bytesSent = write((const u8*)&uc, sizeof(uc));
if (bytesSent != sizeof(uc))
return SEND_COMMAND_FAILED;
return sendBinPackets((char*)in_bytes->data(), uc.file_size);
}
int Kourou::sdmmc_writeFile(const char* in_path, const char* out_path, bool create_always)
{
char* fileMemBlock = nullptr;
ifstream file(in_path, ios::in | ios::binary | ios::ate);
UC_SDIO uc;
auto end = [&] (int rc) {
if(file.is_open()) file.close();
if (fileMemBlock != nullptr) delete[] fileMemBlock;
return rc;
};
if (strlen(out_path) > array_countof(uc.path)-1)
return PATH_TOO_LONG;
if (!file.is_open())
return OPEN_FILE_FAILED;
// Check file size
if (file.tellg() > MAX_FILE_SIZE) // 100MB max
return end(FILE_TOO_LARGE);
// Create command
uc.command = WRITE_SD_FILE;
memset(uc.path, 0, array_countof(uc.path));
uc.create_always = create_always;
strcpy_s(uc.path, array_countof(uc.path), out_path);
uc.file_size = file.tellg();
file.seekg(0, ios::beg);
// Allocate memory for file
fileMemBlock = new char[uc.file_size];
file.read(fileMemBlock, uc.file_size);
// Send command to device
int bytesSent = write((const u8*)&uc, sizeof(uc));
if (bytesSent != sizeof(uc))
return end(SEND_COMMAND_FAILED);
//Sleep(100); // Make sure Ariane has enough time to open file
return end(sendBinPackets(fileMemBlock, uc.file_size));
}
int Kourou::sendBinPackets(char* buffer, u32 len)
{
u32 curOffset = 0, bytesRemaining = len;
u8 buf[USB_BUFFER_LENGTH];
u32 dataBufSize = USB_BUFFER_LENGTH - 32;
while(bytesRemaining > 0)
{
memset(buf, 0, USB_BUFFER_LENGTH);
UC_BlockHeader bh;
bh.block_size = bytesRemaining > dataBufSize ? dataBufSize : bytesRemaining;
bh.block_full_size = 0; // no compression
memcpy_s(&buf[0], sizeof(UC_BlockHeader), &bh, sizeof(UC_BlockHeader));
memcpy_s(&buf[32], bh.block_size, &buffer[curOffset], bh.block_size);
u32 fbs = bh.block_size + 32;
//if (write((const u8*)&buf[0], fbs) != int(fbs))
int res = write((const u8*)&buf[0], USB_BUFFER_LENGTH);
if (res != USB_BUFFER_LENGTH)
return USB_WRITE_FAILED;
// Get confirmation
u32 bytesReceived = 0;
if (!readResponse(&bytesReceived, sizeof(u32)))
return USB_WRITE_FAILED;
if (bytesReceived != bh.block_size)
return USB_WRITE_FAILED;
bytesRemaining -= bh.block_size;
curOffset += bh.block_size;
}
return int(len - bytesRemaining);
}
bool Kourou::readResponse(void* buffer, u32 size)
{
u32 res_size = RESPONSE_MAX_SIZE - sizeof(u16);
u8 tmp_buffer[RESPONSE_MAX_SIZE - sizeof(u16)];
if (size > res_size)
return false;
else res_size = size + sizeof(u16);
if (read(tmp_buffer, res_size) != int(res_size))
return false;
u16* signature = (u16*)tmp_buffer;
if (*signature != RESPONSE)
return false;
memcpy(buffer, &tmp_buffer[sizeof(u16)], size);
return true;
}
bool Kourou::sendResponse(void* buffer, u32 size)
{
u32 res_size = RESPONSE_MAX_SIZE - sizeof(u16);
u8 tmp_buffer[RESPONSE_MAX_SIZE];
if (size > res_size)
return false;
else res_size = size + sizeof(u16);
u16* signature = (u16*)tmp_buffer;
*signature = RESPONSE;
memcpy(&tmp_buffer[sizeof(u16)], buffer, size);
return write(tmp_buffer, res_size) == int(res_size);
}
bool Kourou::arianeIsReady_sync(bool skip_rcm)
{
auto end = [&](bool ready) {
m_ariane_ready = ready;
return ready;
};
if (!skip_rcm)
{
if (RcmDevice::deviceIsReady())
{
m_rcm_ready = true;
return end(false);
}
else m_rcm_ready = false;
}
u8 buff[0x10];
static const char READY_INDICATOR[] = "READY.\n";
int bytesRead = 0;
flushPipe(READ_PIPE_ID);
UC_Header uc;
uc.command = GET_STATUS;
if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return end(false);
if ((bytesRead = read(&buff[0], 0x10)) > 0 && memcmp(&buff[0], READY_INDICATOR, array_countof(READY_INDICATOR) - 1) == 0)
return end(true);
return end(false);
}
int Kourou::getDeviceInfo(UC_DeviceInfo* di)
{
if (di != nullptr) memset(di, 0, sizeof(UC_DeviceInfo));
UC_Header uc;
uc.command = GET_DEVICE_INFO;
if(write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
return SEND_COMMAND_FAILED;
int res = read((u8*)(di != nullptr ? di : &m_di), sizeof(UC_DeviceInfo));
if(res != sizeof(UC_DeviceInfo))
return RECEIVE_COMMAND_FAILED;
if (di->signature != DEVINFO)
return RECEIVE_COMMAND_FAILED;
// Save device info
if (di != nullptr) memcpy(&m_di, di, sizeof(UC_DeviceInfo));
m_di_set = true;
return SUCCESS;
}
bool Kourou::rebootToRcm()
{
if (!arianeIsReady_sync())
return false;
UC_Header uc;
uc.command = REBOOT_RCM;
// Send command
write((const u8*)&uc, sizeof(uc));
// Get response
bool response = false;
if (!readResponse(&response, sizeof(bool)))
return false;
return response;
}
bool Kourou::setAutoRcmEnabled(bool state)
{
if (!arianeIsReady_sync())
return false;
UC_Header uc;
uc.command = state ? SET_AUTORCM_ON : SET_AUTORCM_OFF;
// Send command
write((const u8*)&uc, sizeof(uc));
// Get response
bool response = false;
if (!readResponse(&response, sizeof(bool)))
return false;
return response;
}