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nxdumptool/code_templates/gc_dumper.c
Pablo Curiel 3c0312961b gc_dumper: fix storage device path generation
2023-01-14 00:51:54 +01:00

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/*
* main.c
*
* Copyright (c) 2020-2022, 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 of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nxdumptool is distributed in the hope that 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 <https://www.gnu.org/licenses/>.
*/
#include "nxdt_utils.h"
#include "gamecard.h"
#include "usb.h"
#include "title.h"
#define BLOCK_SIZE USB_TRANSFER_BUFFER_SIZE
bool g_borealisInitialized = false;
static PadState g_padState = {0};
/* Type definitions. */
typedef void (*MenuElementOptionFunction)(u32 idx);
typedef struct {
u32 selected; ///< Used to keep track of the selected option.
MenuElementOptionFunction options_func; ///< Pointer to a function to be called each time a new option is selected. Should be set to NULL if not used.
char **options; ///< Pointer to multiple char pointers with strings representing options. Last element must be set to NULL.
} MenuElementOption;
typedef bool (*MenuElementFunction)(void);
typedef struct {
const char *str; ///< Pointer to a string to be printed for this menu element.
void *child_menu; ///< Pointer to a child Menu element. Must be set to NULL if task_func != NULL.
MenuElementFunction task_func; ///< Pointer to a function to be called by this element. Must be set to NULL if child_menu != NULL.
MenuElementOption *element_options; ///< Options for this menu element. Should be set to NULL if not used.
} MenuElement;
typedef struct _Menu {
struct _Menu *parent; ///< Set to NULL in the root menu element.
u32 selected, scroll; ///< Used to keep track of the selected element and scroll values.
MenuElement **elements; ///< Element info from this menu. Last element must be set to NULL.
} Menu;
typedef struct
{
void *data;
size_t data_size;
size_t data_written;
size_t total_size;
bool read_error;
bool write_error;
bool transfer_cancelled;
u32 xci_crc, full_xci_crc;
FILE *fp;
} ThreadSharedData;
/* Function prototypes. */
static void utilsScanPads(void);
static u64 utilsGetButtonsDown(void);
static u64 utilsGetButtonsHeld(void);
static void utilsWaitForButtonPress(u64 flag);
static void consolePrint(const char *text, ...);
static void consoleRefresh(void);
static u32 menuGetElementCount(const Menu *menu);
void freeStorageList(void);
void updateStorageList(void);
NX_INLINE bool useUsbHost(void);
static bool waitForGameCard(void);
static bool waitForUsb(void);
static void generateDumpTxt(void);
static bool saveDumpTxt(void);
static char *generateOutputFileName(const char *extension);
static bool saveGameCardSpecificData(void);
static bool saveGameCardCertificate(void);
static bool saveGameCardInitialData(void);
static bool saveGameCardIdSet(void);
static bool saveGameCardImage(void);
static bool saveConsoleLafwBlob(void);
static void changeKeyAreaOption(u32 idx);
static void changeCertificateOption(u32 idx);
static void changeTrimOption(u32 idx);
static void changeCrcOption(u32 idx);
static void read_thread_func(void *arg);
static void write_thread_func(void *arg);
/* Global variables. */
static bool g_appendKeyArea = true, g_keepCertificate = false, g_trimDump = false, g_calcCrc = false;
static char *g_xciOptions[] = { "no", "yes", NULL };
static MenuElement *g_xciMenuElements[] = {
&(MenuElement){
.str = "start dump",
.child_menu = NULL,
.task_func = &saveGameCardImage,
.element_options = NULL
},
&(MenuElement){
.str = "append key area",
.child_menu = NULL,
.task_func = NULL,
.element_options = &(MenuElementOption){
.selected = 1,
.options_func = &changeKeyAreaOption,
.options = g_xciOptions
}
},
&(MenuElement){
.str = "keep certificate",
.child_menu = NULL,
.task_func = NULL,
.element_options = &(MenuElementOption){
.selected = 0,
.options_func = &changeCertificateOption,
.options = g_xciOptions
}
},
&(MenuElement){
.str = "trim dump",
.child_menu = NULL,
.task_func = NULL,
.element_options = &(MenuElementOption){
.selected = 0,
.options_func = &changeTrimOption,
.options = g_xciOptions
}
},
&(MenuElement){
.str = "calculate crc32",
.child_menu = NULL,
.task_func = NULL,
.element_options = &(MenuElementOption){
.selected = 0,
.options_func = &changeCrcOption,
.options = g_xciOptions
}
},
NULL
};
static Menu g_xciMenu = {
.parent = NULL,
.selected = 0,
.scroll = 0,
.elements = g_xciMenuElements
};
static MenuElementOption g_storageMenuElementOption = {
.selected = 0,
.options_func = NULL,
.options = NULL
};
static MenuElement *g_rootMenuElements[] = {
&(MenuElement){
.str = "dump gamecard xci",
.child_menu = &g_xciMenu,
.task_func = NULL,
.element_options = NULL
},
&(MenuElement){
.str = "dump gamecard certificate",
.child_menu = NULL,
.task_func = &saveGameCardCertificate,
.element_options = NULL
},
&(MenuElement){
.str = "dump gamecard initial data",
.child_menu = NULL,
.task_func = &saveGameCardInitialData,
.element_options = NULL
},
&(MenuElement){
.str = "dump gamecard id set",
.child_menu = NULL,
.task_func = &saveGameCardIdSet,
.element_options = NULL
},
&(MenuElement){
.str = "dump gamecard specific data",
.child_menu = NULL,
.task_func = &saveGameCardSpecificData,
.element_options = NULL
},
&(MenuElement){
.str = "dump console lafw blob",
.child_menu = NULL,
.task_func = &saveConsoleLafwBlob,
.element_options = NULL
},
&(MenuElement){
.str = "output storage",
.child_menu = NULL,
.task_func = NULL,
.element_options = &g_storageMenuElementOption
},
NULL
};
static Menu g_rootMenu = {
.parent = NULL,
.selected = 0,
.scroll = 0,
.elements = g_rootMenuElements
};
static Mutex g_conMutex = 0, g_fileMutex = 0;
static CondVar g_readCondvar = 0, g_writeCondvar = 0;
static char path[FS_MAX_PATH] = {0}, txt_info[FS_MAX_PATH] = {0};
static bool g_appletStatus = true;
static UsbHsFsDevice *g_umsDevices = NULL;
static u32 g_umsDeviceCount = 0;
static char **g_storageOptions = NULL;
int main(int argc, char *argv[])
{
int ret = 0;
Menu *cur_menu = &g_rootMenu;
u32 element_count = menuGetElementCount(cur_menu), page_size = 30;
if (!utilsInitializeResources(argc, (const char**)argv))
{
ret = -1;
goto out;
}
/* Configure input. */
/* Up to 8 different, full controller inputs. */
/* Individual Joy-Cons not supported. */
padConfigureInput(8, HidNpadStyleSet_NpadFullCtrl);
padInitializeWithMask(&g_padState, 0x1000000FFUL);
consoleInit(NULL);
updateStorageList();
while(appletMainLoop())
{
consoleClear();
consolePrint("\npress b to %s.\n", cur_menu->parent ? "go back" : "exit");
if (g_umsDeviceCount) consolePrint("press x to safely remove all ums devices.\n\n");
u32 limit = (cur_menu->scroll + page_size);
MenuElement *selected_element = cur_menu->elements[cur_menu->selected];
MenuElementOption *selected_element_options = selected_element->element_options;
for(u32 i = cur_menu->scroll; cur_menu->elements[i] && i < element_count; i++)
{
if (i >= limit) break;
MenuElement *cur_element = cur_menu->elements[i];
MenuElementOption *cur_options = cur_menu->elements[i]->element_options;
consolePrint("%s%s", i == cur_menu->selected ? " -> " : " ", cur_element->str);
if (cur_options)
{
consolePrint(": ");
if (cur_options->selected > 0) consolePrint("< ");
consolePrint("%s", cur_options->options[cur_options->selected]);
if (cur_options->options[cur_options->selected + 1]) consolePrint(" >");
}
consolePrint("\n");
}
consolePrint("\n");
consoleRefresh();
bool data_update = false;
u64 btn_down = 0, btn_held = 0;
while((g_appletStatus = appletMainLoop()))
{
utilsScanPads();
btn_down = utilsGetButtonsDown();
btn_held = utilsGetButtonsHeld();
if (btn_down || btn_held) break;
if (umsIsDeviceInfoUpdated())
{
updateStorageList();
data_update = true;
break;
}
}
if (!g_appletStatus) break;
if (data_update) continue;
if (btn_down & HidNpadButton_A)
{
Menu *child_menu = (Menu*)selected_element->child_menu;
if (child_menu)
{
child_menu->parent = cur_menu;
cur_menu = child_menu;
element_count = menuGetElementCount(cur_menu);
} else
if (selected_element->task_func)
{
/* Wait for gamecard. */
if (!waitForGameCard())
{
if (g_appletStatus) continue;
break;
}
/* Wait for USB session. */
if (useUsbHost() && !waitForUsb()) break;
/* Generate dump text. */
generateDumpTxt();
/* Run task. */
utilsSetLongRunningProcessState(true);
if (selected_element->task_func())
{
saveDumpTxt();
if (!useUsbHost()) updateStorageList(); // update free space
}
utilsSetLongRunningProcessState(false);
/* Display prompt. */
consolePrint("press any button to continue");
utilsWaitForButtonPress(0);
}
} else
if ((btn_down & HidNpadButton_Down) || (btn_held & (HidNpadButton_StickLDown | HidNpadButton_StickRDown)))
{
cur_menu->selected++;
if (!cur_menu->elements[cur_menu->selected])
{
if (btn_down & HidNpadButton_Down)
{
cur_menu->selected = 0;
cur_menu->scroll = 0;
} else {
cur_menu->selected--;
}
} else
if (cur_menu->selected >= limit && cur_menu->elements[cur_menu->selected + 1])
{
cur_menu->scroll++;
}
} else
if ((btn_down & HidNpadButton_Up) || (btn_held & (HidNpadButton_StickLUp | HidNpadButton_StickRUp)))
{
cur_menu->selected--;
if (cur_menu->selected == UINT32_MAX)
{
if (btn_down & HidNpadButton_Up)
{
cur_menu->selected = (element_count - 1);
cur_menu->scroll = (element_count > page_size ? (element_count - page_size) : 0);
} else {
cur_menu->selected = 0;
}
} else
if (cur_menu->selected < cur_menu->scroll && cur_menu->scroll > 0)
{
cur_menu->scroll--;
}
} else
if ((btn_down & (HidNpadButton_Right | HidNpadButton_StickLRight | HidNpadButton_StickRRight)) && selected_element_options)
{
selected_element_options->selected++;
if (!selected_element_options->options[selected_element_options->selected]) selected_element_options->selected--;
if (selected_element_options->options_func) selected_element_options->options_func(selected_element_options->selected);
} else
if ((btn_down & (HidNpadButton_Left | HidNpadButton_StickLLeft | HidNpadButton_StickRLeft)) && selected_element_options)
{
selected_element_options->selected--;
if (selected_element_options->selected == UINT32_MAX) selected_element_options->selected = 0;
if (selected_element_options->options_func) selected_element_options->options_func(selected_element_options->selected);
} else
if (btn_down & HidNpadButton_B)
{
if (!cur_menu->parent) break;
cur_menu = cur_menu->parent;
element_count = menuGetElementCount(cur_menu);
} else
if ((btn_down & HidNpadButton_X) && g_umsDeviceCount)
{
for(u32 i = 0; i < g_umsDeviceCount; i++) usbHsFsUnmountDevice(&(g_umsDevices[i]), false);
updateStorageList();
}
if (btn_held & (HidNpadButton_StickLDown | HidNpadButton_StickRDown | HidNpadButton_StickLUp | HidNpadButton_StickRUp)) svcSleepThread(50000000); // 50 ms
}
out:
freeStorageList();
utilsCloseResources();
consoleExit(NULL);
return ret;
}
static void utilsScanPads(void)
{
padUpdate(&g_padState);
}
static u64 utilsGetButtonsDown(void)
{
return padGetButtonsDown(&g_padState);
}
static u64 utilsGetButtonsHeld(void)
{
return padGetButtons(&g_padState);
}
static void utilsWaitForButtonPress(u64 flag)
{
/* Don't consider stick movement as button inputs. */
if (!flag) flag = ~(HidNpadButton_StickLLeft | HidNpadButton_StickLRight | HidNpadButton_StickLUp | HidNpadButton_StickLDown | HidNpadButton_StickRLeft | HidNpadButton_StickRRight | \
HidNpadButton_StickRUp | HidNpadButton_StickRDown);
consoleRefresh();
while(appletMainLoop())
{
utilsScanPads();
if (utilsGetButtonsDown() & flag) break;
}
}
static void consolePrint(const char *text, ...)
{
mutexLock(&g_conMutex);
va_list v;
va_start(v, text);
vfprintf(stdout, text, v);
va_end(v);
mutexUnlock(&g_conMutex);
}
static void consoleRefresh(void)
{
mutexLock(&g_conMutex);
fflush(stdout);
consoleUpdate(NULL);
mutexUnlock(&g_conMutex);
}
static u32 menuGetElementCount(const Menu *menu)
{
if (!menu || !menu->elements || !menu->elements[0]) return 0;
u32 cnt;
for(cnt = 0; menu->elements[cnt]; cnt++);
return cnt;
}
void freeStorageList(void)
{
u32 elem_count = (2 + g_umsDeviceCount); // sd card, usb host, ums devices
/* Free all previously allocated data. */
if (g_storageOptions)
{
for(u32 i = 0; i < elem_count && g_storageOptions[i]; i++)
{
free(g_storageOptions[i]);
g_storageOptions[i] = NULL;
}
free(g_storageOptions);
g_storageOptions = NULL;
}
if (g_umsDevices)
{
free(g_umsDevices);
g_umsDevices = NULL;
}
g_umsDeviceCount = 0;
}
void updateStorageList(void)
{
char **tmp = NULL;
u32 elem_count = 0, idx = 0;
/* Free all previously allocated data. */
freeStorageList();
/* Get UMS devices. */
g_umsDevices = umsGetDevices(&g_umsDeviceCount);
elem_count = (2 + g_umsDeviceCount); // sd card, usb host, ums devices
/* Reallocate buffer. */
tmp = realloc(g_storageOptions, (elem_count + 1) * sizeof(char*)); // NULL terminator
g_storageOptions = tmp;
tmp = NULL;
memset(g_storageOptions, 0, (elem_count + 1) * sizeof(char*)); // NULL terminator
/* Generate UMS device strings. */
for(u32 i = 0; i < elem_count; i++)
{
u64 total = 0, free = 0;
char total_str[36] = {0}, free_str[32] = {0};
g_storageOptions[idx] = calloc(sizeof(char), 0x300);
if (!g_storageOptions[idx]) continue;
if (i == 1)
{
sprintf(g_storageOptions[idx], "usb host (pc)");
} else {
sprintf(total_str, "%s/", i == 0 ? DEVOPTAB_SDMC_DEVICE : g_umsDevices[i - 2].name);
utilsGetFileSystemStatsByPath(total_str, &total, &free);
utilsGenerateFormattedSizeString(total, total_str, sizeof(total_str));
utilsGenerateFormattedSizeString(free, free_str, sizeof(free_str));
if (i == 0)
{
sprintf(g_storageOptions[idx], DEVOPTAB_SDMC_DEVICE " (%s / %s)", free_str, total_str);
} else {
UsbHsFsDevice *ums_device = &(g_umsDevices[i]);
if (ums_device->product_name[0])
{
sprintf(g_storageOptions[idx], "%s (%s, LUN %u, FS #%u, %s)", ums_device->name, ums_device->product_name, ums_device->lun, ums_device->fs_idx, LIBUSBHSFS_FS_TYPE_STR(ums_device->fs_type));
} else {
sprintf(g_storageOptions[idx], "%s (LUN %u, FS #%u, %s)", ums_device->name, ums_device->lun, ums_device->fs_idx, LIBUSBHSFS_FS_TYPE_STR(ums_device->fs_type));
}
sprintf(g_storageOptions[idx] + strlen(g_storageOptions[idx]), " (%s / %s)", free_str, total_str);
}
}
idx++;
}
/* Update storage menu element options. */
if (g_storageMenuElementOption.selected >= elem_count) g_storageMenuElementOption.selected = 0;
g_storageMenuElementOption.options = g_storageOptions;
}
NX_INLINE bool useUsbHost(void)
{
return (g_storageMenuElementOption.selected == 1);
}
static bool waitForGameCard(void)
{
consoleClear();
consolePrint("waiting for gamecard...\n");
consoleRefresh();
u8 status = GameCardStatus_NotInserted;
while((g_appletStatus = appletMainLoop()))
{
status = gamecardGetStatus();
if (status > GameCardStatus_Processing) break;
}
if (!g_appletStatus) return false;
switch(status)
{
case GameCardStatus_NoGameCardPatchEnabled:
consolePrint("\"nogc\" patch enabled, please disable it and reboot your console\n");
break;
case GameCardStatus_LotusAsicFirmwareUpdateRequired:
consolePrint("gamecard controller firmware update required, please update your console\n");
break;
case GameCardStatus_InsertedAndInfoNotLoaded:
consolePrint("unexpected I/O error occurred, please check the logfile\n");
break;
default:
break;
}
if (status != GameCardStatus_InsertedAndInfoLoaded)
{
consolePrint("press any button\n");
utilsWaitForButtonPress(0);
return false;
}
return true;
}
static bool waitForUsb(void)
{
if (usbIsReady()) return true;
consolePrint("waiting for usb session...\n");
consoleRefresh();
while((g_appletStatus = appletMainLoop()))
{
if (usbIsReady()) break;
}
return g_appletStatus;
}
static void generateDumpTxt(void)
{
*txt_info = '\0';
struct tm ts = {0};
time_t now = time(NULL);
/* Get UTC time. */
gmtime_r(&now, &ts);
ts.tm_year += 1900;
ts.tm_mon++;
/* Generate dump text. */
snprintf(txt_info, MAX_ELEMENTS(txt_info), "tool: nxdumptool\r\n" \
"version: " APP_VERSION "\r\n" \
"branch: " GIT_BRANCH "\r\n" \
"commit: " GIT_COMMIT "\r\n" \
"build date: " BUILD_TIMESTAMP "\r\n" \
"dump date: %d-%02d-%02d %02d:%02d:%02d UTC\r\n", \
ts.tm_year, ts.tm_mon, ts.tm_mday, ts.tm_hour, ts.tm_min, ts.tm_sec);
}
static bool saveFileData(const char *filepath, void *data, size_t data_size)
{
if (!filepath || !*filepath || !data || !data_size)
{
consolePrint("invalid parameters to save file data!\n");
return false;
}
if (useUsbHost())
{
if (!usbSendFilePropertiesCommon(data_size, filepath))
{
consolePrint("failed to send file properties for \"%s\"!\n", filepath);
return false;
}
if (!usbSendFileData(data, data_size))
{
consolePrint("failed to send file data for \"%s\"!\n", filepath);
return false;
}
} else {
FILE *fp = fopen(filepath, "wb");
if (!fp)
{
consolePrint("failed to open \"%s\" for writing!\n", filepath);
return false;
}
size_t ret = fwrite(data, 1, data_size, fp);
fclose(fp);
if (ret != data_size)
{
consolePrint("failed to write 0x%lX byte(s) to \"%s\"! (%d)\n", data_size, filepath, errno);
remove(filepath);
}
}
return true;
}
static bool saveDumpTxt(void)
{
if (!*path || !*txt_info) return true;
path[strlen(path) - 3] = '\0';
strcat(path, "txt");
return saveFileData(path, txt_info, strlen(txt_info));
}
static char *generateOutputFileName(const char *extension)
{
char *filename = NULL, *prefix = NULL, *output = NULL;
if (!extension || !*extension || !(filename = titleGenerateGameCardFileName(TitleNamingConvention_Full, g_storageMenuElementOption.selected > 0 ? TitleFileNameIllegalCharReplaceType_IllegalFsChars : TitleFileNameIllegalCharReplaceType_KeepAsciiCharsOnly)))
{
consolePrint("failed to get gamecard filename!\n");
return NULL;
}
if (!useUsbHost())
{
prefix = calloc(sizeof(char), 0x300);
if (!prefix)
{
consolePrint("failed to generate prefix!\n");
free(filename);
return NULL;
}
sprintf(prefix, "%s/gamecard_data/", g_storageMenuElementOption.selected == 0 ? DEVOPTAB_SDMC_DEVICE : g_umsDevices[g_storageMenuElementOption.selected - 2].name);
}
output = utilsGeneratePath(prefix, filename, extension);
if (prefix) free(prefix);
free(filename);
if (output)
{
snprintf(path, MAX_ELEMENTS(path), "%s", output);
utilsCreateDirectoryTree(path, false);
} else {
consolePrint("failed to generate output filename!\n");
}
return output;
}
static bool dumpGameCardSecurityInformation(GameCardSecurityInformation *out)
{
if (!out)
{
consolePrint("invalid parameters to dump gamecard security information!\n");
return false;
}
if (!gamecardGetSecurityInformation(out))
{
consolePrint("failed to get gamecard security information\n");
return false;
}
consolePrint("get gamecard security information ok\n");
return true;
}
static bool saveGameCardSpecificData(void)
{
GameCardSecurityInformation gc_security_information = {0};
bool success = false;
u32 crc = 0;
char *filename = NULL;
if (!dumpGameCardSecurityInformation(&gc_security_information)) goto end;
crc = crc32Calculate(&(gc_security_information.specific_data), sizeof(GameCardSpecificData));
snprintf(path, MAX_ELEMENTS(path), " (Specific Data) (%08X).bin", crc);
filename = generateOutputFileName(path);
if (!filename) goto end;
if (!saveFileData(filename, &(gc_security_information.specific_data), sizeof(GameCardSpecificData))) goto end;
consolePrint("successfully saved specific data as \"%s\"\n", filename);
success = true;
end:
if (filename) free(filename);
return success;
}
static bool saveGameCardCertificate(void)
{
FsGameCardCertificate gc_cert = {0};
bool success = false;
u32 crc = 0;
char *filename = NULL;
if (!gamecardGetCertificate(&gc_cert))
{
consolePrint("failed to get gamecard certificate\n");
goto end;
}
consolePrint("get gamecard certificate ok\n");
crc = crc32Calculate(&gc_cert, sizeof(FsGameCardCertificate));
snprintf(path, MAX_ELEMENTS(path), " (Certificate) (%08X).bin", crc);
filename = generateOutputFileName(path);
if (!filename) goto end;
if (!saveFileData(filename, &gc_cert, sizeof(FsGameCardCertificate))) goto end;
consolePrint("successfully saved certificate as \"%s\"\n", filename);
success = true;
end:
if (filename) free(filename);
return success;
}
static bool saveGameCardInitialData(void)
{
GameCardSecurityInformation gc_security_information = {0};
bool success = false;
u32 crc = 0;
char *filename = NULL;
if (!dumpGameCardSecurityInformation(&gc_security_information)) goto end;
crc = crc32Calculate(&(gc_security_information.initial_data), sizeof(GameCardInitialData));
snprintf(path, MAX_ELEMENTS(path), " (Initial Data) (%08X).bin", crc);
filename = generateOutputFileName(path);
if (!filename) goto end;
if (!saveFileData(filename, &(gc_security_information.initial_data), sizeof(GameCardInitialData))) goto end;
consolePrint("successfully saved initial data as \"%s\"\n", filename);
success = true;
end:
if (filename) free(filename);
return success;
}
static bool saveGameCardIdSet(void)
{
FsGameCardIdSet id_set = {0};
bool success = false;
u32 crc = 0;
char *filename = NULL;
if (!gamecardGetIdSet(&id_set)) goto end;
crc = crc32Calculate(&id_set, sizeof(FsGameCardIdSet));
snprintf(path, MAX_ELEMENTS(path), " (Card ID Set) (%08X).bin", crc);
filename = generateOutputFileName(path);
if (!filename) goto end;
if (!saveFileData(filename, &id_set, sizeof(FsGameCardIdSet))) goto end;
consolePrint("successfully saved gamecard id set as \"%s\"\n", filename);
success = true;
end:
if (filename) free(filename);
return success;
}
static bool saveGameCardImage(void)
{
u64 gc_size = 0, free_space = 0;
u32 key_area_crc = 0;
GameCardKeyArea gc_key_area = {0};
GameCardSecurityInformation gc_security_information = {0};
ThreadSharedData shared_data = {0};
Thread read_thread = {0}, write_thread = {0};
char *filename = NULL;
bool success = false;
consolePrint("gamecard image dump\nappend key area: %s | keep certificate: %s | trim dump: %s | calculate crc32: %s\n\n", g_appendKeyArea ? "yes" : "no", g_keepCertificate ? "yes" : "no", g_trimDump ? "yes" : "no", g_calcCrc ? "yes" : "no");
shared_data.data = usbAllocatePageAlignedBuffer(BLOCK_SIZE);
if (!shared_data.data)
{
consolePrint("failed to allocate memory for the dump procedure!\n");
goto end;
}
if ((!g_trimDump && !gamecardGetTotalSize(&gc_size)) || (g_trimDump && !gamecardGetTrimmedSize(&gc_size)) || !gc_size)
{
consolePrint("failed to get gamecard size!\n");
goto end;
}
shared_data.total_size = gc_size;
consolePrint("gamecard size: 0x%lX\n", gc_size);
if (g_appendKeyArea)
{
gc_size += sizeof(GameCardKeyArea);
if (!dumpGameCardSecurityInformation(&gc_security_information)) goto end;
memcpy(&(gc_key_area.initial_data), &(gc_security_information.initial_data), sizeof(GameCardInitialData));
if (g_calcCrc)
{
key_area_crc = crc32Calculate(&gc_key_area, sizeof(GameCardKeyArea));
shared_data.full_xci_crc = key_area_crc;
}
consolePrint("gamecard size (with key area): 0x%lX\n", gc_size);
}
snprintf(path, MAX_ELEMENTS(path), " (%s) (%s) (%s).xci", g_appendKeyArea ? "keyarea" : "keyarealess", g_keepCertificate ? "cert" : "certless", g_trimDump ? "trimmed" : "untrimmed");
filename = generateOutputFileName(path);
if (!filename) goto end;
if (useUsbHost())
{
if (!usbSendFilePropertiesCommon(gc_size, filename))
{
consolePrint("failed to send file properties for \"%s\"!\n", filename);
goto end;
}
if (g_appendKeyArea && !usbSendFileData(&gc_key_area, sizeof(GameCardKeyArea)))
{
consolePrint("failed to send gamecard key area data!\n");
goto end;
}
} else {
if (!utilsGetFileSystemStatsByPath(filename, NULL, &free_space))
{
consolePrint("failed to retrieve free space from selected device\n");
goto end;
}
if (gc_size >= free_space)
{
consolePrint("dump size exceeds free space\n");
goto end;
}
if (g_storageMenuElementOption.selected == 0)
{
if (gc_size > FAT32_FILESIZE_LIMIT && !utilsCreateConcatenationFile(filename))
{
consolePrint("failed to create concatenation file for \"%s\"!\n", filename);
goto end;
}
} else {
if (g_umsDevices[g_storageMenuElementOption.selected - 2].fs_type < UsbHsFsDeviceFileSystemType_exFAT && gc_size > FAT32_FILESIZE_LIMIT)
{
consolePrint("split dumps not supported for FAT12/16/32 volumes in UMS devices (yet)\n");
goto end;
}
}
shared_data.fp = fopen(filename, "wb");
if (!shared_data.fp)
{
consolePrint("failed to open \"%s\" for writing!\n", filename);
goto end;
}
if (g_appendKeyArea && fwrite(&gc_key_area, 1, sizeof(GameCardKeyArea), shared_data.fp) != sizeof(GameCardKeyArea))
{
consolePrint("failed to write gamecard key area data!\n");
goto end;
}
}
consolePrint("creating threads\n");
utilsCreateThread(&read_thread, read_thread_func, &shared_data, 2);
utilsCreateThread(&write_thread, write_thread_func, &shared_data, 2);
u8 prev_time = 0;
u64 prev_size = 0;
u8 percent = 0;
time_t start = 0, 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");
consoleRefresh();
start = time(NULL);
while(shared_data.data_written < shared_data.total_size)
{
if (shared_data.read_error || shared_data.write_error) break;
struct tm ts = {0};
time_t now = time(NULL);
localtime_r(&now, &ts);
size_t size = shared_data.data_written;
utilsScanPads();
btn_cancel_cur_state = (utilsGetButtonsHeld() & HidNpadButton_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;
consolePrint("%lu / %lu (%u%%) | Time elapsed: %lu\n", size, shared_data.total_size, percent, (now - start));
consoleRefresh();
}
start = (time(NULL) - start);
consolePrint("\nwaiting for threads to join\n");
utilsJoinThread(&read_thread);
consolePrint("read_thread done: %lu\n", time(NULL));
utilsJoinThread(&write_thread);
consolePrint("write_thread done: %lu\n", time(NULL));
if (shared_data.read_error || shared_data.write_error)
{
consolePrint("i/o error\n");
goto end;
}
if (shared_data.transfer_cancelled)
{
consolePrint("process cancelled\n");
goto end;
}
consolePrint("process completed in %lu seconds\n", start);
success = true;
if (g_calcCrc)
{
if (g_appendKeyArea) consolePrint("key area crc: %08X | ", key_area_crc);
consolePrint("xci crc: %08X", shared_data.xci_crc);
if (g_appendKeyArea) consolePrint(" | xci crc (with key area): %08X", shared_data.full_xci_crc);
consolePrint("\n");
}
end:
consoleRefresh();
if (shared_data.fp)
{
fclose(shared_data.fp);
shared_data.fp = NULL;
}
if (!success && !useUsbHost()) utilsRemoveConcatenationFile(filename);
if (shared_data.data) free(shared_data.data);
if (filename) free(filename);
return success;
}
static bool saveConsoleLafwBlob(void)
{
u64 lafw_version = 0;
LotusAsicFirmwareBlob lafw_blob = {0};
bool success = false;
u32 crc = 0;
if (!gamecardGetLotusAsicFirmwareBlob(&lafw_blob, &lafw_version))
{
consolePrint("failed to get console lafw blob\n");
goto end;
}
const char *fw_type_str = gamecardGetLafwTypeString(lafw_blob.fw_type);
if (!fw_type_str) fw_type_str = "Unknown";
const char *dev_type_str = gamecardGetLafwDeviceTypeString(lafw_blob.device_type);
if (!dev_type_str) dev_type_str = "Unknown";
consolePrint("get console lafw blob ok\n");
crc = crc32Calculate(&lafw_blob, sizeof(LotusAsicFirmwareBlob));
snprintf(path, MAX_ELEMENTS(path), "LAFW (%s) (%s) (v%lu) (%08X).bin", fw_type_str, dev_type_str, lafw_version, crc);
if (!saveFileData(path, &lafw_blob, sizeof(LotusAsicFirmwareBlob))) goto end;
consolePrint("successfully saved lafw blob as \"%s\"\n", path);
success = true;
end:
return success;
}
static void changeKeyAreaOption(u32 idx)
{
g_appendKeyArea = (idx > 0);
}
static void changeCertificateOption(u32 idx)
{
g_keepCertificate = (idx > 0);
}
static void changeTrimOption(u32 idx)
{
g_trimDump = (idx > 0);
}
static void changeCrcOption(u32 idx)
{
g_calcCrc = (idx > 0);
}
static void 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;
goto end;
}
u8 *buf = malloc(BLOCK_SIZE);
if (!buf)
{
shared_data->read_error = true;
goto end;
}
for(u64 offset = 0, blksize = BLOCK_SIZE; offset < shared_data->total_size; offset += blksize)
{
if (blksize > (shared_data->total_size - offset)) blksize = (shared_data->total_size - offset);
/* Check if the transfer has been cancelled by the user */
if (shared_data->transfer_cancelled)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Read current data chunk */
shared_data->read_error = !gamecardReadStorage(buf, blksize, offset);
if (shared_data->read_error)
{
condvarWakeAll(&g_writeCondvar);
break;
}
/* Remove certificate */
if (!g_keepCertificate && offset == 0) memset(buf + GAMECARD_CERTIFICATE_OFFSET, 0xFF, sizeof(FsGameCardCertificate));
/* Update checksum */
if (g_calcCrc)
{
shared_data->xci_crc = crc32CalculateWithSeed(shared_data->xci_crc, buf, blksize);
if (g_appendKeyArea) shared_data->full_xci_crc = crc32CalculateWithSeed(shared_data->full_xci_crc, buf, blksize);
}
/* Wait until the previous 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);
}
free(buf);
end:
threadExit();
}
static void write_thread_func(void *arg)
{
ThreadSharedData *shared_data = (ThreadSharedData*)arg;
if (!shared_data || !shared_data->data)
{
shared_data->write_error = true;
goto end;
}
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)
{
if (shared_data->transfer_cancelled && useUsbHost()) usbCancelFileTransfer();
mutexUnlock(&g_fileMutex);
break;
}
/* Write current file data chunk */
if (useUsbHost())
{
shared_data->write_error = !usbSendFileData(shared_data->data, shared_data->data_size);
} else {
shared_data->write_error = (fwrite(shared_data->data, 1, shared_data->data_size, shared_data->fp) != 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;
}
end:
threadExit();
}
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