u32 DecryptNandPartition(u32 param)
{
PartitionInfo* p_info = NULL;
char filename[64];
u8 magic[NAND_SECTOR_SIZE];
for (u32 partition_id = P_TWLN; partition_id <= P_CTRNAND; partition_id = partition_id << 1) {
if (param & partition_id) {
p_info = GetPartitionInfo(partition_id);
break;
}
}
if (p_info == NULL) {
Debug("No partition to dump");
return 1;
}
Debug("Dumping & Decrypting %s, size (MB): %u", p_info->name, p_info->size / (1024 * 1024));
if (DecryptNandToMem(magic, p_info->offset, 16, p_info) != 0)
return 1;
if ((p_info->magic[0] != 0xFF) && (memcmp(p_info->magic, magic, 8) != 0)) {
Debug("Decryption error, please contact us");
return 1;
}
if (OutputFileNameSelector(filename, p_info->name, "bin", param & N_EMUNAND) != 0)
return 1;
return DecryptNandToFile(filename, p_info->offset, p_info->size, p_info);
}
u32 DumpHealthAndSafety(u32 param)
{
(void) (param); // param is unused here
PartitionInfo* ctrnand_info = GetPartitionInfo(P_CTRNAND);
TitleListInfo* health = titleList + ((GetUnitPlatform() == PLATFORM_3DS) ? 3 : 4);
TitleListInfo* health_alt = (GetUnitPlatform() == PLATFORM_N3DS) ? titleList + 3 : NULL;
char filename[64];
u32 offset_app[4];
u32 size_app[4];
u32 offset_tmd;
u32 size_tmd;
if ((DebugSeekTitleInNand(&offset_tmd, &size_tmd, offset_app, size_app, health, 4) != 0) && (!health_alt ||
(DebugSeekTitleInNand(&offset_tmd, &size_tmd, offset_app, size_app, health_alt, 4) != 0)))
return 1;
if (OutputFileNameSelector(filename, "hs.app", NULL) != 0)
return 1;
Debug("Dumping & decrypting APP0...");
if (DecryptNandToFile(filename, offset_app[0], size_app[0], ctrnand_info) != 0)
return 1;
if (CryptNcch(filename, 0, 0, 0, NULL) != 0)
return 1;
return 0;
}
u32 DumpNand(u32 param)
{
char filename[64];
u8* buffer = BUFFER_ADDRESS;
u32 nand_size = getMMCDevice(0)->total_size * NAND_SECTOR_SIZE;
u32 result = 0;
Debug("Dumping %sNAND. Size (MB): %u", (param & N_EMUNAND) ? "Emu" : "Sys", nand_size / (1024 * 1024));
if (OutputFileNameSelector(filename, "NAND.bin", NULL, param & N_EMUNAND) != 0)
return 1;
if (!DebugFileCreate(filename, true))
return 1;
u32 n_sectors = nand_size / NAND_SECTOR_SIZE;
for (u32 i = 0; i < n_sectors; i += SECTORS_PER_READ) {
u32 read_sectors = min(SECTORS_PER_READ, (n_sectors - i));
ShowProgress(i, n_sectors);
ReadNandSectors(i, read_sectors, buffer);
if(!DebugFileWrite(buffer, NAND_SECTOR_SIZE * read_sectors, i * NAND_SECTOR_SIZE)) {
result = 1;
break;
}
}
ShowProgress(0, 0);
FileClose();
return result;
}
u32 DumpFile(u32 param)
{
NandFileInfo* f_info = GetNandFileInfo(param);
PartitionInfo* p_info = GetPartitionInfo(f_info->partition_id);
char filename[64];
u32 offset;
u32 size;
if (DebugSeekFileInNand(&offset, &size, f_info->name_l, f_info->path, p_info) != 0)
return 1;
if (OutputFileNameSelector(filename, f_info->name_l, NULL) != 0)
return 1;
if (DecryptNandToFile(filename, offset, size, p_info) != 0)
return 1;
return 0;
}