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nxdumptool/source/main.c
2020-05-11 08:11:06 -04:00

549 lines
15 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 "utils.h"
#include "bktr.h"
#include "gamecard.h"
#include "usb.h"
#define TEST_BUF_SIZE 0x800000
alignas(16) u8 __nx_exception_stack[0x1000];
u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
void __libnx_exception_handler(ThreadExceptionDump *ctx)
{
LOGFILE("Exception triggered!");
FILE *logfile = fopen(LOGFILE_PATH, "a+");
if (!logfile) return;
fprintf(logfile, "\r\n error_desc: 0x%x ", ctx->error_desc);
switch(ctx->error_desc)
{
case ThreadExceptionDesc_InstructionAbort:
fprintf(logfile, "(InstructionAbort)");
break;
case ThreadExceptionDesc_MisalignedPC:
fprintf(logfile, "(MisalignedPC)");
break;
case ThreadExceptionDesc_MisalignedSP:
fprintf(logfile, "(MisalignedSP)");
break;
case ThreadExceptionDesc_SError:
fprintf(logfile, "(SError)");
break;
case ThreadExceptionDesc_BadSVC:
fprintf(logfile, "(BadSVC)");
break;
case ThreadExceptionDesc_Trap:
fprintf(logfile, "(Trap)");
break;
case ThreadExceptionDesc_Other:
fprintf(logfile, "(Other)");
break;
default:
fprintf(logfile, "(Unknown)");
break;
}
fprintf(logfile, "\r\n\r\n");
if (threadExceptionIsAArch64(ctx))
{
for(u32 i = 0; i < 29; i++) fprintf(logfile, " [X%d]: 0x%lx\r\n", i, ctx->cpu_gprs[i].x);
fprintf(logfile, "\r\n");
fprintf(logfile, " fp: 0x%lx\r\n", ctx->fp.x);
fprintf(logfile, " lr: 0x%lx\r\n", ctx->lr.x);
fprintf(logfile, " sp: 0x%lx\r\n", ctx->sp.x);
fprintf(logfile, " pc: 0x%lx\r\n", ctx->pc.x);
fprintf(logfile, " far: 0x%lx\r\n", ctx->far.x);
} else {
for(u32 i = 0; i < 29; i++) fprintf(logfile, " [X%d]: 0x%x\r\n", i, ctx->cpu_gprs[i].r);
fprintf(logfile, "\r\n");
fprintf(logfile, " fp: 0x%x\r\n", ctx->fp.r);
fprintf(logfile, " lr: 0x%x\r\n", ctx->lr.r);
fprintf(logfile, " sp: 0x%x\r\n", ctx->sp.r);
fprintf(logfile, " pc: 0x%x\r\n", ctx->pc.r);
fprintf(logfile, " far: 0x%x\r\n", ctx->far.r);
}
fprintf(logfile, "\r\n");
fprintf(logfile, " pstate: 0x%x\r\n", ctx->pstate);
fprintf(logfile, " afsr0: 0x%x\r\n", ctx->afsr0);
fprintf(logfile, " afsr1: 0x%x\r\n", ctx->afsr1);
fprintf(logfile, " esr: 0x%x\r\n\r\n", ctx->esr);
fclose(logfile);
}
static Mutex g_fileMutex = 0;
static CondVar g_readCondvar = 0, g_writeCondvar = 0;
typedef struct
{
//FILE *fileobj;
RomFileSystemContext *romfs_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->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 = romfsGetFileEntryByOffset(shared_data->romfs_ctx, file_table_offset)) || \
!romfsGeneratePathFromFileEntry(shared_data->romfs_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 = !romfsReadFileEntryData(shared_data->romfs_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("nxdumptool starting.");
consoleInit(NULL);
consolePrint("initializing...\n");
if (!utilsInitializeResources())
{
ret = -1;
goto out;
}
u8 *buf = NULL;
Ticket tik = {0};
NcaContext *nca_ctx = NULL;
NcmContentStorage ncm_storage = {0};
Result rc = 0;
ThreadSharedData shared_data = {0};
thrd_t read_thread, write_thread;
char path[FS_MAX_PATH] = {0};
LrLocationResolver resolver = {0};
NcmContentInfo content_info = {0};
RomFileSystemContext romfs_ctx = {0};
//mkdir("sdmc:/nxdt_test", 0744);
buf = usbAllocatePageAlignedBuffer(TEST_BUF_SIZE);
if (!buf)
{
consolePrint("buf failed\n");
goto out2;
}
consolePrint("buf succeeded\n");
nca_ctx = calloc(1, sizeof(NcaContext));
if (!nca_ctx)
{
consolePrint("nca ctx buf failed\n");
goto out2;
}
consolePrint("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");
rc = lrInitialize();
if (R_FAILED(rc))
{
consolePrint("lrInitialize failed\n");
goto out2;
}
consolePrint("lrInitialize succeeded\n");
rc = lrOpenLocationResolver(NcmStorageId_SdCard, &resolver);
if (R_FAILED(rc))
{
consolePrint("lrOpenLocationResolver failed\n");
goto out2;
}
consolePrint("lrOpenLocationResolver succeeded\n");
rc = lrLrResolveProgramPath(&resolver, (u64)0x01007EF00011E000, path); // ACNH 0x01006F8002326000 | Smash 0x01006A800016E000 | Dark Souls 0x01004AB00A260000 | BotW 0x01007EF00011E000
if (R_FAILED(rc))
{
consolePrint("lrLrResolveProgramPath failed\n");
goto out2;
}
consolePrint("lrLrResolveProgramPath succeeded\n");
memmove(path, strrchr(path, '/') + 1, SHA256_HASH_SIZE + 4);
path[SHA256_HASH_SIZE + 4] = '\0';
consolePrint("Program NCA: %s\n", path);
for(u32 i = 0; i < SHA256_HASH_SIZE; i++)
{
char val = (('a' <= path[i] && path[i] <= 'f') ? (path[i] - 'a' + 0xA) : (path[i] - '0'));
if ((i & 1) == 0) val <<= 4;
content_info.content_id.c[i >> 1] |= val;
}
content_info.content_type = NcmContentType_Program;
u64 content_size = 0;
rc = ncmContentStorageGetSizeFromContentId(&ncm_storage, (s64*)&content_size, &(content_info.content_id));
if (R_FAILED(rc))
{
consolePrint("ncmContentStorageGetSizeFromContentId failed\n");
goto out2;
}
consolePrint("ncmContentStorageGetSizeFromContentId succeeded\n");
memcpy(&(content_info.size), &content_size, 6);
if (!ncaInitializeContext(nca_ctx, NcmStorageId_SdCard, &ncm_storage, 0, &content_info, &tik))
{
consolePrint("nca initialize ctx failed\n");
goto out2;
}
consolePrint("nca initialize ctx succeeded\n");
if (!romfsInitializeContext(&romfs_ctx, &(nca_ctx->fs_contexts[1])))
{
consolePrint("romfs initialize ctx failed\n");
goto out2;
}
consolePrint("romfs initialize ctx succeeded\n");
shared_data.romfs_ctx = &romfs_ctx;
shared_data.data = buf;
shared_data.data_size = 0;
shared_data.data_written = 0;
romfsGetTotalDataSize(&romfs_ctx, &(shared_data.total_size));
consolePrint("waiting for usb connection... ");
if (!usbStartSession())
{
consolePrint("failed\n");
goto out2;
}
consolePrint("success\n");
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 start = time(NULL);
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");
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 = (utilsHidKeysAllHeld() & 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("ending usb session... ");
usbEndSession();
consolePrint("done\n");
consolePrint("process completed in %lu seconds\n", start);
out2:
consolePrint("press any button to exit\n");
utilsWaitForButtonPress();
lrExit();
if (serviceIsActive(&(ncm_storage.s))) ncmContentStorageClose(&ncm_storage);
if (nca_ctx) free(nca_ctx);
if (buf) free(buf);
out:
utilsCloseResources();
consoleExit(NULL);
return ret;
}