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nxdumptool/source/main.c
Pablo Curiel 76b19aed96 Threaded I/O test.
Takes roughly 15 minutes to dump SSBU's data.arc - basically a whole GiB per minute. Which is real nice, considering all the crypto layers we're dealing with.
2020-05-03 10:55:13 -04:00

370 lines
9.6 KiB
C

/*
* Copyright (c) 2020 DarkMatterCore
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <switch.h>
#include <dirent.h>
#include <threads.h>
#include <stdarg.h>
//#include "lvgl_helper.h"
#include "utils.h"
#include "bktr.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;
RomFileSystemFileEntry *bktr_file_entry;
void *data;
size_t data_size;
size_t data_written;
size_t total_size;
} 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->bktr_ctx || !shared_data->bktr_file_entry || !shared_data->data) return -1;
u8 *buf = malloc(TEST_BUF_SIZE);
if (!buf) return -2;
for(u64 offset = 0, blksize = TEST_BUF_SIZE; offset < shared_data->total_size; offset += blksize)
{
if (blksize > (shared_data->total_size - offset)) blksize = (shared_data->total_size - offset);
if (!bktrReadFileEntryData(shared_data->bktr_ctx, shared_data->bktr_file_entry, buf, blksize, offset)) break;
mutexLock(&g_fileMutex);
if (shared_data->data_size) condvarWait(&g_readCondvar, &g_fileMutex);
memcpy(shared_data->data, buf, blksize);
shared_data->data_size = blksize;
mutexUnlock(&g_fileMutex);
condvarWakeAll(&g_writeCondvar);
}
free(buf);
return 0;
}
static int write_thread_func(void *arg)
{
ThreadSharedData *shared_data = (ThreadSharedData*)arg;
if (!shared_data || !shared_data->fileobj || !shared_data->data) return -1;
while(shared_data->data_written < shared_data->total_size)
{
mutexLock(&g_fileMutex);
if (!shared_data->data_size) condvarWait(&g_writeCondvar, &g_fileMutex);
fwrite(shared_data->data, 1, shared_data->data_size, shared_data->fileobj);
shared_data->data_written += shared_data->data_size;
shared_data->data_size = 0;
mutexUnlock(&g_fileMutex);
condvarWakeAll(&g_readCondvar);
}
return 0;
}
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
int ret = 0;
LOGFILE("nxdumptool starting.");
consoleInit(NULL);
consolePrint("initializing...\n");
if (!utilsInitializeResources())
{
ret = -1;
goto out;
}
/*lv_test();
while(appletMainLoop())
{
lv_task_handler();
if (lvglHelperGetExitFlag()) break;
}*/
u8 *buf = NULL;
FILE *tmp_file = NULL;
Ticket base_tik = {0}, update_tik = {0};
NcaContext *base_nca_ctx = NULL, *update_nca_ctx = NULL;
NcmContentStorage ncm_storage = {0};
BktrContext bktr_ctx = {0};
RomFileSystemFileEntry *bktr_file_entry = NULL;
Result rc = 0;
mkdir("sdmc:/nxdt_test", 0744);
// SSBU's Base Program NCA
NcmContentInfo base_program_content_info = {
.content_id = {
.c = { 0x48, 0xBB, 0xEA, 0xB6, 0x3E, 0x73, 0x88, 0x69, 0x8D, 0xE4, 0x74, 0x43, 0x49, 0x00, 0xE1, 0x04 }
},
.size = {
0x00, 0x40, 0x24, 0x62, 0x03, 0x00
},
.content_type = NcmContentType_Program,
.id_offset = 0
};
// SSBU's Update Program NCA
NcmContentInfo update_program_content_info = {
.content_id = {
.c = { 0x83, 0x7A, 0xD9, 0x78, 0x3E, 0xB2, 0x3A, 0xFA, 0xB0, 0x4B, 0xF5, 0x71, 0x55, 0x43, 0x6E, 0x5D }
},
.size = {
0x00, 0x6E, 0xE9, 0x84, 0x00, 0x00
},
.content_type = NcmContentType_Program,
.id_offset = 0
};
buf = malloc(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");
rc = ncmOpenContentStorage(&ncm_storage, NcmStorageId_SdCard);
if (R_FAILED(rc))
{
consolePrint("ncm open storage failed\n");
goto out2;
}
consolePrint("ncm open storage succeeded\n");
if (!ncaInitializeContext(base_nca_ctx, NcmStorageId_SdCard, &ncm_storage, 0, &base_program_content_info, &base_tik))
{
consolePrint("base nca initialize ctx failed\n");
goto out2;
}
tmp_file = fopen("sdmc:/nxdt_test/base_nca_ctx.bin", "wb");
if (tmp_file)
{
fwrite(base_nca_ctx, 1, sizeof(NcaContext), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
consolePrint("base nca ctx saved\n");
} else {
consolePrint("base nca ctx not saved\n");
}
if (!ncaInitializeContext(update_nca_ctx, NcmStorageId_SdCard, &ncm_storage, 0, &update_program_content_info, &update_tik))
{
consolePrint("update nca initialize ctx failed\n");
goto out2;
}
tmp_file = fopen("sdmc:/nxdt_test/update_nca_ctx.bin", "wb");
if (tmp_file)
{
fwrite(update_nca_ctx, 1, sizeof(NcaContext), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
consolePrint("update nca ctx saved\n");
} else {
consolePrint("update nca ctx not saved\n");
}
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");
tmp_file = fopen("sdmc:/nxdt_test/bktr_ctx.bin", "wb");
if (tmp_file)
{
fwrite(&bktr_ctx, 1, sizeof(BktrContext), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
consolePrint("bktr ctx saved\n");
} else {
consolePrint("bktr ctx not saved\n");
}
bktr_file_entry = bktrGetFileEntryByPath(&bktr_ctx, "/data.arc");
if (!bktr_file_entry)
{
consolePrint("bktr get file entry by path failed\n");
goto out2;
}
consolePrint("bktr get file entry by path success: %.*s | 0x%lX\n", bktr_file_entry->name_length, bktr_file_entry->name, bktr_file_entry->size);
if (!utilsCreateConcatenationFile("sdmc:/nxdt_test/data.arc"))
{
consolePrint("create concatenationfile failed\n");
goto out2;
}
consolePrint("create concatenationfile success\n");
tmp_file = fopen("sdmc:/nxdt_test/data.arc", "wb");
if (!tmp_file)
{
consolePrint("open concatenationfile failed\n");
goto out2;
}
consolePrint("open concatenationfile success\n");
ThreadSharedData shared_data = {0};
shared_data.fileobj = tmp_file;
shared_data.bktr_ctx = &bktr_ctx;
shared_data.bktr_file_entry = bktr_file_entry;
shared_data.data = buf;
shared_data.data_size = 0;
shared_data.data_written = 0;
shared_data.total_size = bktr_file_entry->size;
thrd_t read_thread, write_thread;
consolePrint("creating threads\n\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 start = time(NULL);
while(shared_data.data_written < shared_data.total_size)
{
time_t now = time(NULL);
struct tm *ts = localtime(&now);
size_t size = shared_data.data_written;
if (prev_time == ts->tm_sec || prev_size == size) continue;
percent = (u8)((size * 100) / shared_data.total_size) + 1;
prev_time = ts->tm_sec;
prev_size = size;
printf("%lu / %lu (%u%%) | Time elapsed: %lu\n", size, shared_data.total_size, percent, (time(NULL) - start));
consoleUpdate(NULL);
}
fclose(tmp_file);
tmp_file = NULL;
consolePrint("\n\nprocess completed in %lu seconds\n", (time(NULL) - start));
consolePrint("waiting for threads to join\n");
thrd_join(read_thread, NULL);
thrd_join(write_thread, NULL);
out2:
utilsWaitForButtonPress();
if (tmp_file) fclose(tmp_file);
bktrFreeContext(&bktr_ctx);
if (serviceIsActive(&(ncm_storage.s))) ncmContentStorageClose(&ncm_storage);
if (update_nca_ctx) free(update_nca_ctx);
if (base_nca_ctx) free(base_nca_ctx);
if (buf) free(buf);
out:
utilsCloseResources();
consoleExit(NULL);
return ret;
}