mirror of
https://github.com/eliboa/TegraRcmGUI.git
synced 2024-11-08 19:52:07 +00:00
519 lines
13 KiB
C++
519 lines
13 KiB
C++
/*
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* Copyright (c) 2020 eliboa
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "kourou.h"
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#include <iostream>
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#include <fstream>
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using namespace std;
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Kourou::Kourou()
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{
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}
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bool Kourou::initDevice(KLST_DEVINFO_HANDLE deviceInfo)
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{
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m_rcm_ready = RcmDevice::initDevice(deviceInfo);
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m_ariane_ready = false;
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// If RCM device is not ready, check if Ariane is already loaded
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if (!m_rcm_ready && getStatus() == CONNECTED)
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{
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m_ariane_ready = arianeIsReady_sync();
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return m_ariane_ready;
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}
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return m_rcm_ready;
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}
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int Kourou::hack(const char* payload_path)
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{
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if (!arianeIsReady())
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return RcmDevice::hack(payload_path);
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ifstream userPayload(payload_path, ios::in | ios::binary | ios::ate);
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if (!userPayload.is_open())
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return OPEN_FILE_FAILED;
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const auto userPayloadSize = int(userPayload.tellg());
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if (userPayloadSize > PAYLOAD_MAX_SIZE)
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return PAYLOAD_TOO_LARGE;
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userPayload.seekg(0, ios::beg);
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char *userPayloadBuffer = new char[userPayloadSize];
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userPayload.read(&userPayloadBuffer[0], userPayloadSize);
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bool error = !(userPayload) || int(userPayload.tellg()) != userPayloadSize;
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userPayload.close();
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if (error)
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{
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delete[] userPayloadBuffer;
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return OPEN_FILE_FAILED;
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}
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int res = hack((u8*)userPayloadBuffer, (u32)userPayloadSize);
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delete[] userPayloadBuffer;
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return res;
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}
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int Kourou::hack(u8 *payload_buff, u32 buff_size)
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{
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if (!arianeIsReady())
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return RcmDevice::hack(payload_buff, buff_size);
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UC_EXEC uc;
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uc.command = PUSH_PAYLOAD;
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uc.bin_size = buff_size;
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if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return USB_WRITE_FAILED;
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// Get response
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bool response = false;
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if (!readResponse(&response, sizeof(bool)) && !response)
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return USB_WRITE_FAILED;
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if (sendBinPackets((char*)payload_buff, buff_size) != buff_size)
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return USB_WRITE_FAILED;
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m_ariane_ready = false;
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return SUCCESS;
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}
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void Kourou::disconnect()
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{
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RcmDevice::disconnect();
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m_rcm_ready = false;
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m_ariane_ready = false;
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memset(&m_di, 0, sizeof(UC_DeviceInfo));
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m_di_set = false;
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}
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bool Kourou::sdmmc_isDir(const char* path)
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{
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if (path == nullptr)
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return false;
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UC_SDIO uc;
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uc.command = ISDIR_SD;
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strcpy_s(uc.path, array_countof(uc.path), path);
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if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return false;
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u32 res = 0;
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if (!readResponse(&res, sizeof(u32)))
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return false;
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return res == SUCCESS ? true : false;
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}
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bool Kourou::sdmmc_mkDir(const char* path)
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{
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if (path == nullptr)
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return false;
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UC_SDIO uc;
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uc.command = MKDIR_SD;
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strcpy_s(uc.path, array_countof(uc.path), path);
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if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return false;
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u32 res = 0;
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if (!readResponse(&res, sizeof(u32)))
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return false;
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return res == SUCCESS ? true : false;
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}
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bool Kourou::sdmmc_mkPath(const char* path)
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{
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if (path == nullptr)
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return false;
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UC_SDIO uc;
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uc.command = MKPATH_SD;
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strcpy_s(uc.path, array_countof(uc.path), path);
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if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return false;
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u32 res = 0;
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if (!readResponse(&res, sizeof(u32)))
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return false;
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return res == SUCCESS ? true : false;
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}
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u32 Kourou::sdmmc_fileSize(const char* path)
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{
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if (path == nullptr)
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return 0;
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UC_SDIO uc;
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uc.command = SIZE_SD_FILE;
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strcpy_s(uc.path, array_countof(uc.path), path);
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int bytesSent = write((const u8*)&uc, sizeof(uc));
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if (bytesSent != sizeof(uc))
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return 0;
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u32 size = 0;
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if (!readResponse(&size, sizeof(u32)))
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return 0;
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return size;
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}
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int Kourou::sdmmc_readFile(const char* path, Bytes *dest, u32 *bytesRead)
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{
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if (path == nullptr)
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return BAD_ARGUMENT;
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UC_SDIO uc;
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if (strlen(path) > array_countof(uc.path)-1)
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return PATH_TOO_LONG;
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if (dest->size())
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dest->clear();
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uc.command = READ_SD_FILE;
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strcpy_s(uc.path, array_countof(uc.path), path);
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// Send command to device
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int bytesSent = write((const u8*)&uc, sizeof(uc));
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if (bytesSent != sizeof(uc))
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return SEND_COMMAND_FAILED;
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u32 file_size = 0;
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if (!readResponse(&file_size, sizeof(u32)))
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return USB_WRITE_FAILED;
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if (!file_size)
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return OPEN_FILE_FAILED;
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u8 usb_buffer[USB_BUFFER_LENGTH];
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UC_BlockHeader *bh = (UC_BlockHeader*)&usb_buffer[0];
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u32 offset = 0;
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while (offset < file_size)
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{
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memset(&usb_buffer[0], 0, USB_BUFFER_LENGTH);
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if (read(usb_buffer, USB_BUFFER_LENGTH) != USB_BUFFER_LENGTH)
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return USB_READ_FAILED;
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if (bh->signature != BIN_PACKET || !bh->block_size)
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return USB_READ_FAILED;
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dest->insert(dest->end(), &usb_buffer[32], &usb_buffer[32] + bh->block_size);
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offset += bh->block_size;
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bool res = true;
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sendResponse(&res, sizeof(res));
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}
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if (nullptr != bytesRead)
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*bytesRead = offset;
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return offset == file_size ? SUCCESS : USB_READ_FAILED;
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}
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int Kourou::sdmmc_readFile(const char* path, u8 *buffer, u32 size, u32 *bytesRead)
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{
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if (path == nullptr || !size)
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return BAD_ARGUMENT;
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UC_SDIO uc;
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if (strlen(path) > array_countof(uc.path)-1)
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return PATH_TOO_LONG;
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uc.command = READ_SD_FILE;
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strcpy_s(uc.path, array_countof(uc.path), path);
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// Send command to device
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int bytesSent = write((const u8*)&uc, sizeof(uc));
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if (bytesSent != sizeof(uc))
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return SEND_COMMAND_FAILED;
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u32 file_size = 0;
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if (!readResponse(&file_size, sizeof(u32)))
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return USB_WRITE_FAILED;
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if (!file_size)
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return OPEN_FILE_FAILED;
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if (file_size > size)
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return BUFFER_TOO_SMALL;
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u8 usb_buffer[USB_BUFFER_LENGTH];
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u32 offset = 0;
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UC_BlockHeader *bh = (UC_BlockHeader*)&usb_buffer[0];
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while (offset < file_size)
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{
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memset(&usb_buffer[0], 0, USB_BUFFER_LENGTH);
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if (read(usb_buffer, USB_BUFFER_LENGTH) != USB_BUFFER_LENGTH)
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return USB_READ_FAILED;
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if (bh->signature != BIN_PACKET || !bh->block_size)
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return USB_READ_FAILED;
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memcpy(&buffer[offset], &usb_buffer[32], bh->block_size);
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offset += bh->block_size;
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bool res = true;
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sendResponse(&res, sizeof(res));
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}
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if (nullptr != bytesRead)
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*bytesRead = offset;
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bool res = USB_READ_FAILED;
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readResponse(&res, sizeof(bool));
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return res ? SUCCESS : USB_READ_FAILED;
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}
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int Kourou::
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sdmmc_writeFile(Bytes *in_bytes, const char *out_path, bool create_always)
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{
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UC_SDIO uc;
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if (strlen(out_path) > array_countof(uc.path)-1)
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return PATH_TOO_LONG;
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if (!in_bytes->size())
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return OPEN_FILE_FAILED;
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if (in_bytes->size() > MAX_FILE_SIZE)
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return FILE_TOO_LARGE;
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uc.command = WRITE_SD_FILE;
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memset(uc.path, 0, array_countof(uc.path));
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uc.create_always = create_always;
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strcpy_s(uc.path, array_countof(uc.path), out_path);
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uc.file_size = in_bytes->size();
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// Send command to device
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int bytesSent = write((const u8*)&uc, sizeof(uc));
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if (bytesSent != sizeof(uc))
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return SEND_COMMAND_FAILED;
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return sendBinPackets((char*)in_bytes->data(), uc.file_size);
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}
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int Kourou::sdmmc_writeFile(const char* in_path, const char* out_path, bool create_always)
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{
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char* fileMemBlock = nullptr;
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ifstream file(in_path, ios::in | ios::binary | ios::ate);
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UC_SDIO uc;
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auto end = [&] (int rc) {
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if(file.is_open()) file.close();
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if (fileMemBlock != nullptr) delete[] fileMemBlock;
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return rc;
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};
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if (strlen(out_path) > array_countof(uc.path)-1)
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return PATH_TOO_LONG;
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if (!file.is_open())
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return OPEN_FILE_FAILED;
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// Check file size
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if (file.tellg() > MAX_FILE_SIZE) // 100MB max
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return end(FILE_TOO_LARGE);
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// Create command
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uc.command = WRITE_SD_FILE;
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memset(uc.path, 0, array_countof(uc.path));
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uc.create_always = create_always;
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strcpy_s(uc.path, array_countof(uc.path), out_path);
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uc.file_size = file.tellg();
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file.seekg(0, ios::beg);
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// Allocate memory for file
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fileMemBlock = new char[uc.file_size];
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file.read(fileMemBlock, uc.file_size);
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// Send command to device
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int bytesSent = write((const u8*)&uc, sizeof(uc));
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if (bytesSent != sizeof(uc))
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return end(SEND_COMMAND_FAILED);
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//Sleep(100); // Make sure Ariane has enough time to open file
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return end(sendBinPackets(fileMemBlock, uc.file_size));
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}
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int Kourou::sendBinPackets(char* buffer, u32 len)
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{
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u32 curOffset = 0, bytesRemaining = len;
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u8 buf[USB_BUFFER_LENGTH];
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u32 dataBufSize = USB_BUFFER_LENGTH - 32;
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while(bytesRemaining > 0)
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{
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memset(buf, 0, USB_BUFFER_LENGTH);
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UC_BlockHeader bh;
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bh.block_size = bytesRemaining > dataBufSize ? dataBufSize : bytesRemaining;
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bh.block_full_size = 0; // no compression
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memcpy_s(&buf[0], sizeof(UC_BlockHeader), &bh, sizeof(UC_BlockHeader));
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memcpy_s(&buf[32], bh.block_size, &buffer[curOffset], bh.block_size);
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u32 fbs = bh.block_size + 32;
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//if (write((const u8*)&buf[0], fbs) != int(fbs))
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int res = write((const u8*)&buf[0], USB_BUFFER_LENGTH);
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if (res != USB_BUFFER_LENGTH)
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return USB_WRITE_FAILED;
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// Get confirmation
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u32 bytesReceived = 0;
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if (!readResponse(&bytesReceived, sizeof(u32)))
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return USB_WRITE_FAILED;
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if (bytesReceived != bh.block_size)
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return USB_WRITE_FAILED;
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bytesRemaining -= bh.block_size;
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curOffset += bh.block_size;
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}
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return int(len - bytesRemaining);
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}
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bool Kourou::readResponse(void* buffer, u32 size)
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{
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u32 res_size = RESPONSE_MAX_SIZE - sizeof(u16);
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u8 tmp_buffer[RESPONSE_MAX_SIZE - sizeof(u16)];
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if (size > res_size)
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return false;
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else res_size = size + sizeof(u16);
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if (read(tmp_buffer, res_size) != int(res_size))
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return false;
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u16* signature = (u16*)tmp_buffer;
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if (*signature != RESPONSE)
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return false;
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memcpy(buffer, &tmp_buffer[sizeof(u16)], size);
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return true;
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}
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bool Kourou::sendResponse(void* buffer, u32 size)
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{
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u32 res_size = RESPONSE_MAX_SIZE - sizeof(u16);
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u8 tmp_buffer[RESPONSE_MAX_SIZE];
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if (size > res_size)
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return false;
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else res_size = size + sizeof(u16);
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u16* signature = (u16*)tmp_buffer;
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*signature = RESPONSE;
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memcpy(&tmp_buffer[sizeof(u16)], buffer, size);
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return write(tmp_buffer, res_size) == int(res_size);
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}
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bool Kourou::arianeIsReady_sync(bool skip_rcm)
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{
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auto end = [&](bool ready) {
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m_ariane_ready = ready;
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return ready;
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};
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if (!skip_rcm)
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{
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if (RcmDevice::deviceIsReady())
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{
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m_rcm_ready = true;
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return end(false);
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}
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else m_rcm_ready = false;
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}
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u8 buff[0x10];
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static const char READY_INDICATOR[] = "READY.\n";
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int bytesRead = 0;
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flushPipe(READ_PIPE_ID);
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UC_Header uc;
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uc.command = GET_STATUS;
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if (write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return end(false);
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if ((bytesRead = read(&buff[0], 0x10)) > 0 && memcmp(&buff[0], READY_INDICATOR, array_countof(READY_INDICATOR) - 1) == 0)
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return end(true);
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return end(false);
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}
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int Kourou::getDeviceInfo(UC_DeviceInfo* di)
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{
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if (di != nullptr) memset(di, 0, sizeof(UC_DeviceInfo));
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UC_Header uc;
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uc.command = GET_DEVICE_INFO;
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if(write((const u8*)&uc, sizeof(uc)) != sizeof(uc))
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return SEND_COMMAND_FAILED;
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int res = read((u8*)(di != nullptr ? di : &m_di), sizeof(UC_DeviceInfo));
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if(res != sizeof(UC_DeviceInfo))
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return RECEIVE_COMMAND_FAILED;
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if (di->signature != DEVINFO)
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return RECEIVE_COMMAND_FAILED;
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// Save device info
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if (di != nullptr) memcpy(&m_di, di, sizeof(UC_DeviceInfo));
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m_di_set = true;
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return SUCCESS;
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}
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bool Kourou::rebootToRcm()
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{
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if (!arianeIsReady_sync())
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return false;
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UC_Header uc;
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uc.command = REBOOT_RCM;
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// Send command
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write((const u8*)&uc, sizeof(uc));
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// Get response
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bool response = false;
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if (!readResponse(&response, sizeof(bool)))
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return false;
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return response;
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}
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bool Kourou::setAutoRcmEnabled(bool state)
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{
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if (!arianeIsReady_sync())
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return false;
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UC_Header uc;
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uc.command = state ? SET_AUTORCM_ON : SET_AUTORCM_OFF;
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// Send command
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write((const u8*)&uc, sizeof(uc));
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// Get response
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bool response = false;
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if (!readResponse(&response, sizeof(bool)))
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return false;
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return response;
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}
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