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nxdumptool/code_templates/threaded_usb_bktr_dumper.c
2020-07-30 17:43:50 -04:00

523 lines
16 KiB
C

/*
* main.c
*
* Copyright (c) 2020, DarkMatterCore <pabloacurielz@gmail.com>.
*
* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
*
* nxdumptool 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.
*
* nxdumptool 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 "utils.h"
#include "bktr.h"
#include "gamecard.h"
#include "usb.h"
#include "title.h"
#define TEST_BUF_SIZE 0x800000
static Mutex g_fileMutex = 0;
static CondVar g_readCondvar = 0, g_writeCondvar = 0;
typedef struct
{
//FILE *fileobj;
BktrContext *bktr_ctx;
void *data;
size_t data_size;
size_t data_written;
size_t total_size;
bool read_error;
bool write_error;
bool transfer_cancelled;
} ThreadSharedData;
static void consolePrint(const char *text, ...)
{
va_list v;
va_start(v, text);
vfprintf(stdout, text, v);
va_end(v);
consoleUpdate(NULL);
}
static int read_thread_func(void *arg)
{
ThreadSharedData *shared_data = (ThreadSharedData*)arg;
if (!shared_data || !shared_data->data || !shared_data->total_size)
{
shared_data->read_error = true;
return -1;
}
u8 *buf = malloc(TEST_BUF_SIZE);
if (!buf)
{
shared_data->read_error = true;
return -2;
}
u64 file_table_offset = 0;
RomFileSystemFileEntry *file_entry = NULL;
char path[FS_MAX_PATH] = {0};
while(file_table_offset < shared_data->bktr_ctx->patch_romfs_ctx.file_table_size)
{
/* Check if the transfer has been cancelled by the user */
if (shared_data->transfer_cancelled)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Retrieve RomFS file entry information */
shared_data->read_error = (!(file_entry = bktrGetFileEntryByOffset(shared_data->bktr_ctx, file_table_offset)) || \
!bktrGeneratePathFromFileEntry(shared_data->bktr_ctx, file_entry, path, FS_MAX_PATH, RomFileSystemPathIllegalCharReplaceType_IllegalFsChars));
if (shared_data->read_error)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Wait until the previous file data chunk has been written */
mutexLock(&g_fileMutex);
if (shared_data->data_size && !shared_data->write_error) condvarWait(&g_readCondvar, &g_fileMutex);
mutexUnlock(&g_fileMutex);
if (shared_data->write_error) break;
/* Send current file properties */
shared_data->read_error = !usbSendFileProperties(file_entry->size, path);
if (shared_data->read_error)
{
condvarWakeAll(&g_writeCondvar);
break;
}
for(u64 offset = 0, blksize = TEST_BUF_SIZE; offset < file_entry->size; offset += blksize)
{
if (blksize > (file_entry->size - offset)) blksize = (file_entry->size - offset);
/* Check if the transfer has been cancelled by the user */
if (shared_data->transfer_cancelled)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Read current file data chunk */
shared_data->read_error = !bktrReadFileEntryData(shared_data->bktr_ctx, file_entry, buf, blksize, offset);
if (shared_data->read_error)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Wait until the previous file data chunk has been written */
mutexLock(&g_fileMutex);
if (shared_data->data_size && !shared_data->write_error) condvarWait(&g_readCondvar, &g_fileMutex);
if (shared_data->write_error)
{
mutexUnlock(&g_fileMutex);
break;
}
/* Copy current file data chunk to the shared buffer */
memcpy(shared_data->data, buf, blksize);
shared_data->data_size = blksize;
/* Wake up the write thread to continue writing data */
mutexUnlock(&g_fileMutex);
condvarWakeAll(&g_writeCondvar);
}
if (shared_data->read_error || shared_data->write_error || shared_data->transfer_cancelled) break;
file_table_offset += ALIGN_UP(sizeof(RomFileSystemFileEntry) + file_entry->name_length, 4);
}
free(buf);
return (shared_data->read_error ? -3 : 0);
}
static int write_thread_func(void *arg)
{
ThreadSharedData *shared_data = (ThreadSharedData*)arg;
if (!shared_data || !shared_data->data)
{
shared_data->write_error = true;
return -1;
}
while(shared_data->data_written < shared_data->total_size)
{
/* Wait until the current file data chunk has been read */
mutexLock(&g_fileMutex);
if (!shared_data->data_size && !shared_data->read_error) condvarWait(&g_writeCondvar, &g_fileMutex);
if (shared_data->read_error || shared_data->transfer_cancelled)
{
mutexUnlock(&g_fileMutex);
break;
}
//shared_data->write_error = (fwrite(shared_data->data, 1, shared_data->data_size, shared_data->fileobj) != shared_data->data_size);
/* Write current file data chunk */
shared_data->write_error = !usbSendFileData(shared_data->data, shared_data->data_size);
if (!shared_data->write_error)
{
shared_data->data_written += shared_data->data_size;
shared_data->data_size = 0;
}
/* Wake up the read thread to continue reading data */
mutexUnlock(&g_fileMutex);
condvarWakeAll(&g_readCondvar);
if (shared_data->write_error) break;
}
return 0;
}
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
int ret = 0;
LOGFILE(APP_TITLE " starting.");
consoleInit(NULL);
consolePrint("initializing...\n");
if (!utilsInitializeResources())
{
ret = -1;
goto out;
}
u32 app_count = 0;
TitleApplicationMetadata **app_metadata = NULL;
TitleUserApplicationData user_app_data = {0};
u32 selected_idx = 0, page_size = 30, cur_page = 0;
bool exit_prompt = true;
u8 *buf = NULL;
NcaContext *base_nca_ctx = NULL, *update_nca_ctx = NULL;
Ticket base_tik = {0}, update_tik = {0};
BktrContext bktr_ctx = {0};
ThreadSharedData shared_data = {0};
thrd_t read_thread, write_thread;
app_metadata = titleGetApplicationMetadataEntries(false, &app_count);
if (!app_metadata || !app_count)
{
consolePrint("app metadata failed\n");
goto out2;
}
consolePrint("app metadata succeeded\n");
buf = usbAllocatePageAlignedBuffer(TEST_BUF_SIZE);
if (!buf)
{
consolePrint("buf failed\n");
goto out2;
}
consolePrint("buf succeeded\n");
base_nca_ctx = calloc(1, sizeof(NcaContext));
if (!base_nca_ctx)
{
consolePrint("base nca ctx buf failed\n");
goto out2;
}
consolePrint("base nca ctx buf succeeded\n");
update_nca_ctx = calloc(1, sizeof(NcaContext));
if (!update_nca_ctx)
{
consolePrint("update nca ctx buf failed\n");
goto out2;
}
consolePrint("update nca ctx buf succeeded\n");
utilsSleep(1);
while(true)
{
consoleClear();
printf("select a base title with an available update.\nthe updated romfs will be dumped via usb.\npress b to exit.\n\n");
for(u32 i = cur_page; i < app_count; i++)
{
if (i >= (cur_page + page_size)) break;
printf("%s%s (%016lX)\n", i == selected_idx ? " -> " : " ", app_metadata[i]->lang_entry.name, app_metadata[i]->title_id);
}
printf("\n");
consoleUpdate(NULL);
u64 btn_down = 0, btn_held = 0;
while(true)
{
hidScanInput();
btn_down = utilsHidKeysAllDown();
btn_held = utilsHidKeysAllHeld();
if (btn_down || btn_held) break;
if (titleIsGameCardInfoUpdated())
{
free(app_metadata);
app_metadata = titleGetApplicationMetadataEntries(false, &app_count);
if (!app_metadata)
{
consolePrint("\napp metadata failed\n");
goto out2;
}
selected_idx = cur_page = 0;
break;
}
}
if (btn_down & KEY_A)
{
if (!titleGetUserApplicationData(app_metadata[selected_idx]->title_id, &user_app_data) || !user_app_data.app_info || !user_app_data.patch_info)
{
consolePrint("\nthe selected title either doesn't have available base content or update content.\n");
utilsSleep(3);
continue;
}
break;
} else
if ((btn_down & KEY_DDOWN) || (btn_held & (KEY_LSTICK_DOWN | KEY_RSTICK_DOWN)))
{
selected_idx++;
if (selected_idx >= app_count)
{
if (btn_down & KEY_DDOWN)
{
selected_idx = cur_page = 0;
} else {
selected_idx = (app_count - 1);
}
} else
if (selected_idx >= (cur_page + page_size))
{
cur_page += page_size;
}
} else
if ((btn_down & KEY_DUP) || (btn_held & (KEY_LSTICK_UP | KEY_RSTICK_UP)))
{
selected_idx--;
if (selected_idx == UINT32_MAX)
{
if (btn_down & KEY_DUP)
{
selected_idx = (app_count - 1);
cur_page = (app_count - (app_count % page_size));
} else {
selected_idx = 0;
}
} else
if (selected_idx < cur_page)
{
cur_page -= page_size;
}
} else
if (btn_down & KEY_B)
{
exit_prompt = false;
goto out2;
}
if (btn_held & (KEY_LSTICK_DOWN | KEY_RSTICK_DOWN | KEY_LSTICK_UP | KEY_RSTICK_UP)) svcSleepThread(50000000); // 50 ms
}
consoleClear();
consolePrint("selected title:\n%s (%016lX)\n\n", app_metadata[selected_idx]->lang_entry.name, app_metadata[selected_idx]->title_id);
if (!ncaInitializeContext(base_nca_ctx, user_app_data.app_info->storage_id, (user_app_data.app_info->storage_id == NcmStorageId_GameCard ? GameCardHashFileSystemPartitionType_Secure : 0), \
titleGetContentInfoByTypeAndIdOffset(user_app_data.app_info, NcmContentType_Program, 0), &base_tik))
{
consolePrint("nca initialize base ctx failed\n");
goto out2;
}
if (!ncaInitializeContext(update_nca_ctx, user_app_data.patch_info->storage_id, (user_app_data.patch_info->storage_id == NcmStorageId_GameCard ? GameCardHashFileSystemPartitionType_Secure : 0), \
titleGetContentInfoByTypeAndIdOffset(user_app_data.patch_info, NcmContentType_Program, 0), &update_tik))
{
consolePrint("nca initialize update ctx failed\n");
goto out2;
}
if (!bktrInitializeContext(&bktr_ctx, &(base_nca_ctx->fs_contexts[1]), &(update_nca_ctx->fs_contexts[1])))
{
consolePrint("bktr initialize ctx failed\n");
goto out2;
}
consolePrint("bktr initialize ctx succeeded\n");
shared_data.bktr_ctx = &bktr_ctx;
shared_data.data = buf;
shared_data.data_size = 0;
shared_data.data_written = 0;
bktrGetTotalDataSize(&bktr_ctx, &(shared_data.total_size));
consolePrint("waiting for usb connection... ");
time_t start = time(NULL);
bool usb_conn = false;
while(true)
{
time_t now = time(NULL);
if ((now - start) >= 10) break;
consolePrint("%lu ", now - start);
if ((usb_conn = usbIsReady())) break;
utilsSleep(1);
}
consolePrint("\n");
if (!usb_conn)
{
consolePrint("usb connection failed\n");
goto out2;
}
consolePrint("creating threads\n");
thrd_create(&read_thread, read_thread_func, &shared_data);
thrd_create(&write_thread, write_thread_func, &shared_data);
u8 prev_time = 0;
u64 prev_size = 0;
u8 percent = 0;
time_t btn_cancel_start_tmr = 0, btn_cancel_end_tmr = 0;
bool btn_cancel_cur_state = false, btn_cancel_prev_state = false;
consolePrint("hold b to cancel\n\n");
start = time(NULL);
while(shared_data.data_written < shared_data.total_size)
{
if (shared_data.read_error || shared_data.write_error) break;
time_t now = time(NULL);
struct tm *ts = localtime(&now);
size_t size = shared_data.data_written;
hidScanInput();
btn_cancel_cur_state = (utilsHidKeysAllDown() & KEY_B);
if (btn_cancel_cur_state && btn_cancel_cur_state != btn_cancel_prev_state)
{
btn_cancel_start_tmr = now;
} else
if (btn_cancel_cur_state && btn_cancel_cur_state == btn_cancel_prev_state)
{
btn_cancel_end_tmr = now;
if ((btn_cancel_end_tmr - btn_cancel_start_tmr) >= 3)
{
mutexLock(&g_fileMutex);
shared_data.transfer_cancelled = true;
mutexUnlock(&g_fileMutex);
break;
}
} else {
btn_cancel_start_tmr = btn_cancel_end_tmr = 0;
}
btn_cancel_prev_state = btn_cancel_cur_state;
if (prev_time == ts->tm_sec || prev_size == size) continue;
percent = (u8)((size * 100) / shared_data.total_size);
prev_time = ts->tm_sec;
prev_size = size;
printf("%lu / %lu (%u%%) | Time elapsed: %lu\n", size, shared_data.total_size, percent, (now - start));
consoleUpdate(NULL);
}
start = (time(NULL) - start);
consolePrint("\nwaiting for threads to join\n");
thrd_join(read_thread, NULL);
consolePrint("read_thread done: %lu\n", time(NULL));
thrd_join(write_thread, NULL);
consolePrint("write_thread done: %lu\n", time(NULL));
if (shared_data.read_error || shared_data.write_error)
{
consolePrint("usb transfer error\n");
goto out2;
}
if (shared_data.transfer_cancelled)
{
consolePrint("process cancelled\n");
goto out2;
}
consolePrint("process completed in %lu seconds\n", start);
out2:
if (exit_prompt)
{
consolePrint("press any button to exit\n");
utilsWaitForButtonPress(KEY_NONE);
}
bktrFreeContext(&bktr_ctx);
if (update_nca_ctx) free(update_nca_ctx);
if (base_nca_ctx) free(base_nca_ctx);
if (buf) free(buf);
if (app_metadata) free(app_metadata);
out:
utilsCloseResources();
consoleExit(NULL);
return ret;
}