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Code Issues Releases Activity

gc_dumper: add back option to append key area.

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Turned on by default. This is a measure to avoid hac2l warnings.
This commit is contained in:
Pablo Curiel 2022-03-18 18:23:56 +01:00
parent 7189943680
commit 2b59f7b65c
1 changed files with 80 additions and 20 deletions
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100
code_templates/gc_dumper.c
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@ -64,7 +64,7 @@ typedef struct
bool read_error;
bool write_error;
bool transfer_cancelled;
u32 xci_crc;
u32 xci_crc, full_xci_crc;
FILE *fp;
} ThreadSharedData;
@ -90,6 +90,7 @@ static bool saveGameCardImage(void);
static bool saveConsoleLafwBlob(void);
static void changeStorageOption(u32 idx);
static void changeKeyAreaOption(u32 idx);
static void changeCertificateOption(u32 idx);
static void changeTrimOption(u32 idx);
static void changeCrcOption(u32 idx);
@ -99,7 +100,7 @@ static void write_thread_func(void *arg);
/* Global variables. */
static bool g_useUsbHost = false, g_keepCertificate = false, g_trimDump = false, g_calcCrc = false;
static bool g_useUsbHost = false, g_appendKeyArea = true, g_keepCertificate = false, g_trimDump = false, g_calcCrc = false;
static const char *g_storageOptions[] = { "sd card", "usb host", NULL };
static const char *g_xciOptions[] = { "no", "yes", NULL };
@ -111,6 +112,16 @@ static MenuElement *g_xciMenuElements[] = {
.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,
@ -153,9 +164,9 @@ static Menu g_xciMenu = {
static MenuElement *g_rootMenuElements[] = {
&(MenuElement){
.str = "dump gamecard specific data",
.child_menu = NULL,
.task_func = &saveGameCardSpecificData,
.str = "dump gamecard xci",
.child_menu = &g_xciMenu,
.task_func = NULL,
.element_options = NULL
},
&(MenuElement){
@ -177,9 +188,9 @@ static MenuElement *g_rootMenuElements[] = {
.element_options = NULL
},
&(MenuElement){
.str = "dump gamecard xci",
.child_menu = &g_xciMenu,
.task_func = NULL,
.str = "dump gamecard specific data",
.child_menu = NULL,
.task_func = &saveGameCardSpecificData,
.element_options = NULL
},
&(MenuElement){
@ -714,6 +725,10 @@ static bool saveGameCardImage(void)
{
u64 gc_size = 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};
@ -721,11 +736,7 @@ static bool saveGameCardImage(void)
bool success = false;
consolePrint("gamecard image dump\nkeep certificate: %s | trim dump: %s | calculate crc32: %s\n\n", g_keepCertificate ? "yes" : "no", g_trimDump ? "yes" : "no", g_calcCrc ? "yes" : "no");
snprintf(path, MAX_ELEMENTS(path), " (%s) (%s).xci", g_keepCertificate ? "cert" : "certless", g_trimDump ? "trimmed" : "untrimmed");
filename = generateOutputFileName(path);
if (!filename) goto end;
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)
@ -744,13 +755,41 @@ static bool saveGameCardImage(void)
consolePrint("gamecard size: 0x%lX\n", gc_size);
if (g_useUsbHost && !usbSendFilePropertiesCommon(gc_size, filename))
if (g_appendKeyArea)
{
consolePrint("failed to send file properties for \"%s\"!\n", filename);
goto end;
} else
if (!g_useUsbHost)
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 (g_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 (gc_size > FAT32_FILESIZE_LIMIT && !utilsCreateConcatenationFile(filename))
{
consolePrint("failed to create concatenation file for \"%s\"!\n", filename);
@ -763,6 +802,12 @@ static bool saveGameCardImage(void)
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");
@ -847,7 +892,13 @@ static bool saveGameCardImage(void)
printf("process completed in %lu seconds\n", start);
success = true;
if (g_calcCrc) printf("xci crc: %08X\n", shared_data.xci_crc);
if (g_calcCrc)
{
if (g_appendKeyArea) printf("key area crc: %08X | ", key_area_crc);
printf("xci crc: %08X", shared_data.xci_crc);
if (g_appendKeyArea) printf(" | xci crc (with key area): %08X", shared_data.full_xci_crc);
printf("\n");
}
end:
if (shared_data.fp)
@ -903,6 +954,11 @@ static void changeStorageOption(u32 idx)
g_useUsbHost = (idx > 0);
}
static void changeKeyAreaOption(u32 idx)
{
g_appendKeyArea = (idx > 0);
}
static void changeCertificateOption(u32 idx)
{
g_keepCertificate = (idx > 0);
@ -957,7 +1013,11 @@ static void read_thread_func(void *arg)
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_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);