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GodMode9/arm9/source/utils/gameutil.c

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#include "gameutil.h"
#include "nandcmac.h"
#include "disadiff.h"
#include "game.h"
#include "nand.h" // so that we can trim NAND images
#include "itcm.h" // we need access to part of the OTP
#include "hid.h"
#include "ui.h"
#include "fs.h"
#include "unittype.h"
#include "aes.h"
#include "sha.h"
// use NCCH crypto defines for everything
#define CRYPTO_DECRYPT NCCH_NOCRYPTO
#define CRYPTO_ENCRYPT NCCH_STDCRYPTO
u32 GetNcchHeaders(NcchHeader* ncch, NcchExtHeader* exthdr, ExeFsHeader* exefs, FIL* file, bool nocrypto) {
u32 offset_ncch = fvx_tell(file);
UINT btr;
if (fvx_read(file, ncch, sizeof(NcchHeader), &btr) != FR_OK) return 1;
if (nocrypto) {
ncch->flags[3] = 0x00;
ncch->flags[7] = (ncch->flags[7] & ~0x21) | 0x04;
}
if (ValidateNcchHeader(ncch) != 0) return 1;
if (exthdr) {
if (!ncch->size_exthdr) return 1;
fvx_lseek(file, offset_ncch + NCCH_EXTHDR_OFFSET);
if ((fvx_read(file, exthdr, NCCH_EXTHDR_SIZE, &btr) != FR_OK) ||
(DecryptNcch((u8*) exthdr, NCCH_EXTHDR_OFFSET, NCCH_EXTHDR_SIZE, ncch, NULL) != 0))
return 1;
}
if (exefs) {
if (!ncch->size_exefs) return 1;
u32 offset_exefs = offset_ncch + (ncch->offset_exefs * NCCH_MEDIA_UNIT);
fvx_lseek(file, offset_exefs);
if ((fvx_read(file, exefs, sizeof(ExeFsHeader), &btr) != FR_OK) ||
(DecryptNcch((u8*) exefs, ncch->offset_exefs * NCCH_MEDIA_UNIT, sizeof(ExeFsHeader), ncch, NULL) != 0) ||
(ValidateExeFsHeader(exefs, ncch->size_exefs * NCCH_MEDIA_UNIT) != 0))
return 1;
}
return 0;
}
u32 CheckNcchHash(u8* expected, FIL* file, u32 size_data, u32 offset_ncch, NcchHeader* ncch, ExeFsHeader* exefs) {
u32 offset_data = fvx_tell(file) - offset_ncch;
u8 hash[32];
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) return 1;
sha_init(SHA256_MODE);
for (u32 i = 0; i < size_data; i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size_data - i));
UINT bytes_read;
fvx_read(file, buffer, read_bytes, &bytes_read);
DecryptNcch(buffer, offset_data + i, read_bytes, ncch, exefs);
sha_update(buffer, read_bytes);
}
sha_get(hash);
free(buffer);
return (memcmp(hash, expected, 32) == 0) ? 0 : 1;
}
u32 LoadNcchHeaders(NcchHeader* ncch, NcchExtHeader* exthdr, ExeFsHeader* exefs, const char* path, u32 offset) {
FIL file;
// open file, get NCCH header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&file, offset);
if (GetNcchHeaders(ncch, exthdr, exefs, &file, false) != 0) {
fvx_close(&file);
return 1;
}
fvx_close(&file);
return 0;
}
u32 LoadNcsdHeader(NcsdHeader* ncsd, const char* path) {
FIL file;
UINT btr;
// open file, get NCSD header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&file, 0);
if ((fvx_read(&file, ncsd, sizeof(NcsdHeader), &btr) != FR_OK) ||
(ValidateNcsdHeader(ncsd) != 0)) {
fvx_close(&file);
return 1;
}
fvx_close(&file);
return 0;
}
u32 LoadCiaStub(CiaStub* stub, const char* path) {
FIL file;
UINT btr;
CiaInfo info;
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
// first 0x20 byte of CIA header
fvx_lseek(&file, 0);
if ((fvx_read(&file, stub, 0x20, &btr) != FR_OK) || (btr != 0x20) ||
(ValidateCiaHeader(&(stub->header)) != 0)) {
fvx_close(&file);
return 1;
}
GetCiaInfo(&info, &(stub->header));
// everything up till content offset
fvx_lseek(&file, 0);
if ((fvx_read(&file, stub, info.offset_content, &btr) != FR_OK) || (btr != info.offset_content)) {
fvx_close(&file);
return 1;
}
fvx_close(&file);
return 0;
}
u32 LoadExeFsFile(void* data, const char* path, u32 offset, const char* name, u32 size_max, u32* bytes_read) {
NcchHeader ncch;
ExeFsHeader exefs;
FIL file;
UINT btr;
u32 ret = 0;
// open file, get NCCH, ExeFS header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&file, offset);
if ((GetNcchHeaders(&ncch, NULL, &exefs, &file, false) != 0) ||
(!ncch.size_exefs)) {
fvx_close(&file);
return 1;
}
// load file from exefs
ExeFsFileHeader* exefile = NULL;
for (u32 i = 0; i < 10; i++) {
u32 size = exefs.files[i].size;
if (!size || (size > size_max)) continue;
char* exename = exefs.files[i].name;
if (strncmp(name, exename, 8) == 0) {
exefile = exefs.files + i;
break;
}
}
if (exefile) {
u32 size_exefile = exefile->size;
u32 offset_exefile = (ncch.offset_exefs * NCCH_MEDIA_UNIT) + sizeof(ExeFsHeader) + exefile->offset;
fvx_lseek(&file, offset + offset_exefile); // offset to file
if ((fvx_read(&file, data, size_exefile, &btr) != FR_OK) ||
(DecryptNcch(data, offset_exefile, size_exefile, &ncch, &exefs) != 0) ||
(btr != size_exefile)) {
ret = 1;
}
} else ret = 1;
if (bytes_read) *bytes_read = btr;
fvx_close(&file);
return ret;
}
u32 LoadNcchMeta(CiaMeta* meta, const char* path, u64 offset) {
NcchHeader ncch;
NcchExtHeader exthdr;
// get dependencies from exthdr, icon from exeFS
if ((LoadNcchHeaders(&ncch, &exthdr, NULL, path, offset) != 0) ||
(BuildCiaMeta(meta, &exthdr, NULL) != 0) ||
(LoadExeFsFile(meta->smdh, path, offset, "icon", sizeof(meta->smdh), NULL)))
return 1;
return 0;
}
u32 LoadTmdFile(TitleMetaData* tmd, const char* path) {
// first part (TMD only) (we need to read the content count first)
if ((fvx_qread(path, tmd, 0, TMD_SIZE_MIN, NULL) != FR_OK) ||
(ValidateTmd(tmd) != 0))
return 1;
// second part (read full size)
if (fvx_qread(path, tmd, 0, TMD_SIZE_N(getbe16(tmd->content_count)), NULL) != FR_OK)
return 1;
return 0;
}
u32 LoadCdnTicketFile(Ticket** ticket, const char* path_cnt) {
if(!ticket) return 1;
// path points to CDN content file
char path_cetk[256];
strncpy(path_cetk, path_cnt, 256);
path_cetk[255] = '\0';
char* name_cetk = strrchr(path_cetk, '/');
if (!name_cetk) return 1; // will not happen
char* ext_cetk = strrchr(++name_cetk, '.');
ext_cetk = (ext_cetk) ? ext_cetk + 1 : name_cetk;
snprintf(ext_cetk, 256 - (ext_cetk - path_cetk), "cetk");
// load and check ticket
TicketMinimum tmp;
UINT br;
if ((fvx_qread(path_cetk, &tmp, 0, TICKET_MINIMUM_SIZE, &br) != FR_OK) || (br != TICKET_MINIMUM_SIZE) ||
ValidateTicket((Ticket*)&tmp) != 0) return 1;
u32 tik_size = GetTicketSize((Ticket*)&tmp);
Ticket* tik = (Ticket*)malloc(tik_size);
if (!tik) return 1;
if ((fvx_qread(path_cetk, tik, 0, tik_size, &br) != FR_OK) || (br != tik_size)) {
free(tik);
return 1;
}
*ticket = tik;
return 0;
}
u32 GetTmdContentPath(char* path_content, const char* path_tmd) {
// get path to TMD first content
static const u8 dlc_tid_high[] = { DLC_TID_HIGH };
// content path string
char* name_content;
strncpy(path_content, path_tmd, 256);
path_content[255] = '\0';
name_content = strrchr(path_content, '/');
if (!name_content) return 1; // will not happen
name_content++;
// load TMD file
TitleMetaData* tmd = (TitleMetaData*) malloc(TMD_SIZE_MAX);
TmdContentChunk* chunk = (TmdContentChunk*) (tmd + 1);
if (!tmd) return 1;
if ((LoadTmdFile(tmd, path_tmd) != 0) || !getbe16(tmd->content_count)) {
free(tmd);
return 1;
}
snprintf(name_content, 256 - (name_content - path_content),
(memcmp(tmd->title_id, dlc_tid_high, sizeof(dlc_tid_high)) == 0) ? "00000000/%08lx.app" : "%08lx.app", getbe32(chunk->id));
free(tmd);
return 0;
}
u32 GetTieTmdPath(char* path_tmd, const char* path_tie) {
char drv[3] = { 0x00 };
u64 tid64 = 0;
// this relies on:
// 1: titleinfo entries are only loaded from mounted [1/4/A/B]:/dbs/title.db
// 2: filename starts with title id
// basic sanity check
if (*path_tie != 'T') return 1;
// get title id
if (sscanf(path_tie, "T:/%016llx", &tid64) != 1) return 1;
u32 tid_high = (u32) ((tid64 >> 32) & 0xFFFFFFFF);
u32 tid_low = (u32) (tid64 & 0xFFFFFFFF);
// load TitleDB entry file
TitleInfoEntry tie;
if (fvx_qread(path_tie, &tie, 0, sizeof(TitleInfoEntry), NULL) != FR_OK)
return 1;
// determine the drive
const char* mntpath = GetMountPath();
if (!mntpath || !*mntpath) return 1;
strncpy(drv, mntpath, 2);
if (tid_high & 0x8000) {
if (*drv == '1') *drv = '2';
if (*drv == '4') *drv = '5';
tid_high = 0x00030000 | (tid_high&0xFF);
}
// build the path
snprintf(path_tmd, 64, "%2.2s/title/%08lX/%08lX/content/%08lx.tmd",
drv, tid_high, tid_low, tie.tmd_content_id);
// done
return 0;
}
u32 GetTieContentPath(char* path_content, const char* path_tie) {
char path_tmd[64];
// get the TMD path first
if (GetTieTmdPath(path_tmd, path_tie) != 0)
return 1;
// let the TMD content path function take over
return GetTmdContentPath(path_content, path_tmd);
}
u32 WriteCiaStub(CiaStub* stub, const char* path) {
FIL file;
UINT btw;
CiaInfo info;
GetCiaInfo(&info, &(stub->header));
// everything up till content offset
if (fvx_open(&file, path, FA_WRITE | FA_OPEN_ALWAYS) != FR_OK)
return 1;
fvx_lseek(&file, 0);
if ((fvx_write(&file, stub, info.offset_content, &btw) != FR_OK) || (btw != info.offset_content)) {
fvx_close(&file);
return 1;
}
fvx_close(&file);
return 0;
}
u32 VerifyTmdContent(const char* path, u64 offset, TmdContentChunk* chunk, const u8* titlekey) {
u8 hash[32];
u8 ctr[16];
FIL file;
u8* expected = chunk->hash;
u64 size = getbe64(chunk->size);
bool encrypted = getbe16(chunk->type) & 0x1;
if (!ShowProgress(0, 0, path)) return 1;
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
if (offset + size > fvx_size(&file)) {
fvx_close(&file);
return 1;
}
fvx_lseek(&file, offset);
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) {
fvx_close(&file);
return 1;
}
GetTmdCtr(ctr, chunk);
sha_init(SHA256_MODE);
for (u32 i = 0; i < size; i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size - i));
UINT bytes_read;
fvx_read(&file, buffer, read_bytes, &bytes_read);
if (encrypted) DecryptCiaContentSequential(buffer, read_bytes, ctr, titlekey);
sha_update(buffer, read_bytes);
if (!ShowProgress(i + read_bytes, size, path)) break;
}
sha_get(hash);
free(buffer);
fvx_close(&file);
return memcmp(hash, expected, 32);
}
u32 VerifyNcchFile(const char* path, u32 offset, u32 size) {
static bool cryptofix_always = false;
bool cryptofix = false;
NcchHeader ncch;
NcchExtHeader exthdr;
ExeFsHeader exefs;
FIL file;
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// open file, get NCCH, ExeFS header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
// fetch and check NCCH header
fvx_lseek(&file, offset);
if (GetNcchHeaders(&ncch, NULL, NULL, &file, cryptofix) != 0) {
if (!offset) ShowPrompt(false, "%s\nError: Not a NCCH file", pathstr);
fvx_close(&file);
return 1;
}
// check NCCH size
if (!size) size = fvx_size(&file) - offset;
if ((fvx_size(&file) < offset) || (size < ncch.size * NCCH_MEDIA_UNIT)) {
if (!offset) ShowPrompt(false, "%s\nError: File is too small", pathstr);
fvx_close(&file);
return 1;
}
// fetch and check ExeFS header
fvx_lseek(&file, offset);
if (ncch.size_exefs && (GetNcchHeaders(&ncch, NULL, &exefs, &file, cryptofix) != 0)) {
bool borkedflags = false;
if (ncch.size_exefs && NCCH_ENCRYPTED(&ncch)) {
// disable crypto, try again
cryptofix = true;
fvx_lseek(&file, offset);
if (GetNcchHeaders(&ncch, NULL, &exefs, &file, cryptofix) == 0) {
if (cryptofix_always) borkedflags = true;
else {
const char* optionstr[3] = { "Attempt fix this time", "Attempt fix always", "Abort verification" };
u32 user_select = ShowSelectPrompt(3, optionstr, "%s\nError: Bad crypto flags", pathstr);
if ((user_select == 1) || (user_select == 2)) borkedflags = true;
if (user_select == 2) cryptofix_always = true;
}
}
}
if (!borkedflags) {
if (!offset) ShowPrompt(false, "%s\nError: Bad ExeFS header", pathstr);
fvx_close(&file);
return 1;
}
}
// fetch and check ExtHeader
fvx_lseek(&file, offset);
if (ncch.size_exthdr && (GetNcchHeaders(&ncch, &exthdr, NULL, &file, cryptofix) != 0)) {
if (!offset) ShowPrompt(false, "%s\nError: Missing ExtHeader", pathstr);
fvx_close(&file);
return 1;
}
// check / setup crypto
if (SetupNcchCrypto(&ncch, NCCH_NOCRYPTO) != 0) {
if (!offset) ShowPrompt(false, "%s\nError: Crypto not set up", pathstr);
fvx_close(&file);
return 1;
}
u32 ver_exthdr = 0;
u32 ver_exefs = 0;
u32 ver_romfs = 0;
// base hash check for extheader
if (ncch.size_exthdr > 0) {
fvx_lseek(&file, offset + NCCH_EXTHDR_OFFSET);
ver_exthdr = CheckNcchHash(ncch.hash_exthdr, &file, 0x400, offset, &ncch, NULL);
}
// base hash check for exefs
if (ncch.size_exefs > 0) {
fvx_lseek(&file, offset + (ncch.offset_exefs * NCCH_MEDIA_UNIT));
ver_exefs = CheckNcchHash(ncch.hash_exefs, &file, ncch.size_exefs_hash * NCCH_MEDIA_UNIT, offset, &ncch, &exefs);
}
// base hash check for romfs
if (ncch.size_romfs > 0) {
fvx_lseek(&file, offset + (ncch.offset_romfs * NCCH_MEDIA_UNIT));
ver_romfs = CheckNcchHash(ncch.hash_romfs, &file, ncch.size_romfs_hash * NCCH_MEDIA_UNIT, offset, &ncch, NULL);
}
// thorough exefs verification (workaround for Process9)
if (!ShowProgress(0, 0, path)) return 1;
if ((ncch.size_exefs > 0) && (memcmp(exthdr.name, "Process9", 8) != 0)) {
for (u32 i = 0; !ver_exefs && (i < 10); i++) {
ExeFsFileHeader* exefile = exefs.files + i;
u8* hash = exefs.hashes[9 - i];
if (!exefile->size) continue;
fvx_lseek(&file, offset + (ncch.offset_exefs * NCCH_MEDIA_UNIT) + 0x200 + exefile->offset);
ver_exefs = CheckNcchHash(hash, &file, exefile->size, offset, &ncch, &exefs);
}
}
// thorough romfs verification
if (!ver_romfs && (ncch.size_romfs > 0)) {
UINT btr;
// load ivfc header
RomFsIvfcHeader ivfc;
fvx_lseek(&file, offset + (ncch.offset_romfs * NCCH_MEDIA_UNIT));
if ((fvx_read(&file, &ivfc, sizeof(RomFsIvfcHeader), &btr) != FR_OK) ||
(DecryptNcch((u8*) &ivfc, ncch.offset_romfs * NCCH_MEDIA_UNIT, sizeof(RomFsIvfcHeader), &ncch, NULL) != 0) )
ver_romfs = 1;
// load data
u64 lvl1_size = 0;
u64 lvl2_size = 0;
u8* masterhash = NULL;
u8* lvl1_data = NULL;
u8* lvl2_data = NULL;
if (!ver_romfs && (ValidateRomFsHeader(&ivfc, ncch.size_romfs * NCCH_MEDIA_UNIT) == 0)) {
// load masterhash(es)
masterhash = malloc(ivfc.size_masterhash);
if (masterhash) {
u64 offset_add = (ncch.offset_romfs * NCCH_MEDIA_UNIT) + sizeof(RomFsIvfcHeader);
fvx_lseek(&file, offset + offset_add);
if ((fvx_read(&file, masterhash, ivfc.size_masterhash, &btr) != FR_OK) ||
(DecryptNcch(masterhash, offset_add, ivfc.size_masterhash, &ncch, NULL) != 0))
ver_romfs = 1;
}
// load lvl1
lvl1_size = align(ivfc.size_lvl1, 1 << ivfc.log_lvl1);
lvl1_data = malloc(lvl1_size);
if (lvl1_data) {
u64 offset_add = (ncch.offset_romfs * NCCH_MEDIA_UNIT) + GetRomFsLvOffset(&ivfc, 1);
fvx_lseek(&file, offset + offset_add);
if ((fvx_read(&file, lvl1_data, lvl1_size, &btr) != FR_OK) ||
(DecryptNcch(lvl1_data, offset_add, lvl1_size, &ncch, NULL) != 0))
ver_romfs = 1;
}
// load lvl2
lvl2_size = align(ivfc.size_lvl2, 1 << ivfc.log_lvl2);
lvl2_data = malloc(lvl2_size);
if (lvl2_data) {
u64 offset_add = (ncch.offset_romfs * NCCH_MEDIA_UNIT) + GetRomFsLvOffset(&ivfc, 2);
fvx_lseek(&file, offset + offset_add);
if ((fvx_read(&file, lvl2_data, lvl2_size, &btr) != FR_OK) ||
(DecryptNcch(lvl2_data, offset_add, lvl2_size, &ncch, NULL) != 0))
ver_romfs = 1;
}
// check mallocs
if (!masterhash || !lvl1_data || !lvl2_data)
ver_romfs = 1; // should never happen
}
// actual verification
if (!ver_romfs) {
// verify lvl1
u32 n_blocks = lvl1_size >> ivfc.log_lvl1;
u32 block_log = ivfc.log_lvl1;
for (u32 i = 0; !ver_romfs && (i < n_blocks); i++)
ver_romfs = (u32) sha_cmp(masterhash + (i*0x20), lvl1_data + (i<<block_log), 1<<block_log, SHA256_MODE);
// verify lvl2
n_blocks = lvl2_size >> ivfc.log_lvl2;
block_log = ivfc.log_lvl2;
for (u32 i = 0; !ver_romfs && (i < n_blocks); i++) {
ver_romfs = sha_cmp(lvl1_data + (i*0x20), lvl2_data + (i<<block_log), 1<<block_log, SHA256_MODE);
}
// lvl3 verification (this will take long)
u64 offset_add = (ncch.offset_romfs * NCCH_MEDIA_UNIT) + GetRomFsLvOffset(&ivfc, 3);
n_blocks = align(ivfc.size_lvl3, 1 << ivfc.log_lvl3) >> ivfc.log_lvl3;
block_log = ivfc.log_lvl3;
fvx_lseek(&file, offset + offset_add);
for (u32 i = 0; !ver_romfs && (i < n_blocks); i++) {
ver_romfs = CheckNcchHash(lvl2_data + (i*0x20), &file, 1 << block_log, offset, &ncch, NULL);
offset_add += 1 << block_log;
if (!(i % 16) && !ShowProgress(i+1, n_blocks, path)) ver_romfs = 1;
}
}
if (masterhash) free(masterhash);
if (lvl1_data) free(lvl1_data);
if (lvl2_data) free(lvl2_data);
}
if (!offset && (ver_exthdr|ver_exefs|ver_romfs)) { // verification summary
ShowPrompt(false, "%s\nNCCH verification failed:\nExtHdr/ExeFS/RomFS: %s/%s/%s", pathstr,
(!ncch.size_exthdr) ? "-" : (ver_exthdr == 0) ? "ok" : "fail",
(!ncch.size_exefs) ? "-" : (ver_exefs == 0) ? "ok" : "fail",
(!ncch.size_romfs) ? "-" : (ver_romfs == 0) ? "ok" : "fail");
}
fvx_close(&file);
if (cryptofix) fvx_qwrite(path, &ncch, offset, sizeof(NcchHeader), NULL);
return ver_exthdr|ver_exefs|ver_romfs;
}
u32 VerifyNcsdFile(const char* path) {
NcsdHeader ncsd;
// path string
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// load NCSD header
if (LoadNcsdHeader(&ncsd, path) != 0) {
ShowPrompt(false, "%s\nError: Not a NCSD file", pathstr);
return 1;
}
// validate NCSD contents
for (u32 i = 0; i < 8; i++) {
NcchPartition* partition = ncsd.partitions + i;
u32 offset = partition->offset * NCSD_MEDIA_UNIT;
u32 size = partition->size * NCSD_MEDIA_UNIT;
if (!size) continue;
if (VerifyNcchFile(path, offset, size) != 0) {
ShowPrompt(false, "%s\nContent%lu (%08lX@%08lX):\nVerification failed",
pathstr, i, size, offset, i);
return 1;
}
}
return 0;
}
u32 VerifyCiaFile(const char* path) {
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
CiaInfo info;
u8 titlekey[16];
if (!cia) return 1;
// path string
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// load CIA stub
if ((LoadCiaStub(cia, path) != 0) ||
(GetCiaInfo(&info, &(cia->header)) != 0) ||
(GetTitleKey(titlekey, (Ticket*)&(cia->ticket)) != 0)) {
ShowPrompt(false, "%s\nError: Probably not a CIA file", pathstr);
free(cia);
return 1;
}
// verify TMD
if (VerifyTmd(&(cia->tmd)) != 0) {
ShowPrompt(false, "%s\nError: TMD probably corrupted", pathstr);
free(cia);
return 1;
}
// verify contents
u32 content_count = getbe16(cia->tmd.content_count);
u64 next_offset = info.offset_content;
u8* cnt_index = cia->header.content_index;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(cia->content_list[i]);
u16 index = getbe16(chunk->index);
if (!(cnt_index[index/8] & (1 << (7-(index%8))))) continue; // don't check missing contents
if (VerifyTmdContent(path, next_offset, chunk, titlekey) != 0) {
ShowPrompt(false, "%s\nID %08lX (%08llX@%08llX)\nVerification failed",
pathstr, getbe32(chunk->id), getbe64(chunk->size), next_offset, i);
free(cia);
return 1;
}
next_offset += getbe64(chunk->size);
}
free(cia);
return 0;
}
u32 VerifyTmdFile(const char* path, bool cdn) {
static const u8 dlc_tid_high[] = { DLC_TID_HIGH };
// path string
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// content path string
char path_content[256];
char* name_content;
strncpy(path_content, path, 256);
path_content[255] = '\0';
name_content = strrchr(path_content, '/');
if (!name_content) return 1; // will not happen
name_content++;
// load TMD file
TitleMetaData* tmd = (TitleMetaData*) malloc(TMD_SIZE_MAX);
TmdContentChunk* content_list = (TmdContentChunk*) (tmd + 1);
if ((LoadTmdFile(tmd, path) != 0) || (VerifyTmd(tmd) != 0)) {
ShowPrompt(false, "%s\nError: TMD probably corrupted", pathstr);
free(tmd);
return 1;
}
u8 titlekey[0x10] = { 0xFF };
if (cdn) { // load / build ticket (for titlekey / CDN only)
Ticket* ticket = NULL;
if (!((LoadCdnTicketFile(&ticket, path) == 0) ||
((ticket = (Ticket*)malloc(TICKET_COMMON_SIZE), ticket != NULL) &&
(BuildFakeTicket(ticket, tmd->title_id) == 0) &&
(FindTitleKey(ticket, tmd->title_id) == 0))) ||
(GetTitleKey(titlekey, ticket) != 0)) {
ShowPrompt(false, "%s\nError: CDN titlekey not found", pathstr);
free(ticket);
free(tmd);
return 1;
}
free(ticket);
}
// verify contents
u32 content_count = getbe16(tmd->content_count);
bool dlc = !cdn && (memcmp(tmd->title_id, dlc_tid_high, sizeof(dlc_tid_high)) == 0);
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(content_list[i]);
if (!cdn) chunk->type[1] &= ~0x01; // remove crypto flag
snprintf(name_content, 256 - (name_content - path_content),
(cdn) ? "%08lx" : (dlc) ? "00000000/%08lx.app" : "%08lx.app", getbe32(chunk->id));
TruncateString(pathstr, path_content, 32, 8);
if (VerifyTmdContent(path_content, 0, chunk, titlekey) != 0) {
ShowPrompt(false, "%s\nVerification failed", pathstr);
free(tmd);
return 1;
}
}
free(tmd);
return 0;
}
u32 VerifyTieFile(const char* path) {
char path_tmd[64];
// get the TMD path
if (GetTieTmdPath(path_tmd, path) != 0)
return 1;
// let the TMD verificator take over
return VerifyTmdFile(path_tmd, false);
}
u32 VerifyFirmFile(const char* path) {
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
void* firm_buffer = (void*) malloc(FIRM_MAX_SIZE);
if (!firm_buffer) return 1;
// load the whole FIRM into memory
u32 firm_size = fvx_qsize(path);
if ((firm_size > FIRM_MAX_SIZE) || (fvx_qread(path, firm_buffer, 0, firm_size, NULL) != FR_OK) ||
(ValidateFirmHeader(firm_buffer, firm_size) != 0)) {
free(firm_buffer);
return 1;
}
// hash verify all available sections
FirmHeader header;
memcpy(&header, firm_buffer, sizeof(FirmHeader));
for (u32 i = 0; i < 4; i++) {
FirmSectionHeader* sct = header.sections + i;
void* section = ((u8*) firm_buffer) + sct->offset;
if (!(sct->size)) continue;
if (sha_cmp(sct->hash, section, sct->size, SHA256_MODE) != 0) {
ShowPrompt(false, "%s\nSection %u hash mismatch", pathstr, i);
free(firm_buffer);
return 1;
}
}
// no arm11 / arm9 entrypoints?
if (!header.entry_arm9) {
ShowPrompt(false, "%s\nARM9 entrypoint is missing", pathstr);
free(firm_buffer);
return 1;
} else if (!header.entry_arm11) {
ShowPrompt(false, "%s\nWarning: ARM11 entrypoint is missing", pathstr);
}
free(firm_buffer);
return 0;
}
u32 VerifyBossFile(const char* path) {
BossHeader boss;
u32 payload_size;
bool encrypted = false;
FIL file;
UINT btr;
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// read file header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&file, 0);
if ((fvx_read(&file, &boss, sizeof(BossHeader), &btr) != FR_OK) ||
(btr != sizeof(BossHeader)) || (ValidateBossHeader(&boss, 0) != 0)) {
ShowPrompt(false, "%s\nError: Not a BOSS file", pathstr);
fvx_close(&file);
return 1;
}
// get / check size
payload_size = getbe32(boss.filesize) - sizeof(BossHeader);
if (!payload_size) {
fvx_close(&file);
return 1;
}
// check if encrypted, decrypt if required
encrypted = (CheckBossEncrypted(&boss) == 0);
if (encrypted) CryptBoss((void*) &boss, 0, sizeof(BossHeader), &boss);
// set up a buffer
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) {
fvx_close(&file);
return 1;
}
// actual hash calculation & compare
u8 hash[32];
sha_init(SHA256_MODE);
GetBossPayloadHashHeader(buffer, &boss);
u32 read_bytes = min((STD_BUFFER_SIZE - BOSS_SIZE_PAYLOAD_HEADER), payload_size);
fvx_read(&file, buffer + BOSS_SIZE_PAYLOAD_HEADER, read_bytes, &btr);
if (encrypted) CryptBoss(buffer + BOSS_SIZE_PAYLOAD_HEADER, sizeof(BossHeader), read_bytes, &boss);
sha_update(buffer, read_bytes + BOSS_SIZE_PAYLOAD_HEADER);
for (u32 i = read_bytes; i < payload_size; i += STD_BUFFER_SIZE) {
read_bytes = min(STD_BUFFER_SIZE, (payload_size - i));
fvx_read(&file, buffer, read_bytes, &btr);
if (encrypted) CryptBoss(buffer, sizeof(BossHeader) + i, read_bytes, &boss);
sha_update(buffer, read_bytes);
}
sha_get(hash);
fvx_close(&file);
free(buffer);
if (memcmp(hash, boss.hash_payload, 0x20) != 0) {
if (ShowPrompt(true, "%s\nBOSS payload hash mismatch.\n \nTry to fix it?", pathstr)) {
// fix hash, reencrypt BOSS header if required, write to file
memcpy(boss.hash_payload, hash, 0x20);
if (encrypted) CryptBoss((void*) &boss, 0, sizeof(BossHeader), &boss);
if (!CheckWritePermissions(path) ||
(fvx_qwrite(path, &boss, 0, sizeof(BossHeader), NULL) != FR_OK))
return 1;
} else return 1;
}
return 0;
}
u32 VerifyGameFile(const char* path) {
u64 filetype = IdentifyFileType(path);
if (filetype & GAME_CIA)
return VerifyCiaFile(path);
else if (filetype & GAME_NCSD)
return VerifyNcsdFile(path);
else if (filetype & GAME_NCCH)
return VerifyNcchFile(path, 0, 0);
else if (filetype & GAME_TMD)
return VerifyTmdFile(path, filetype & FLAG_NUSCDN);
else if (filetype & GAME_TIE)
return VerifyTieFile(path);
else if (filetype & GAME_BOSS)
return VerifyBossFile(path);
else if (filetype & SYS_FIRM)
return VerifyFirmFile(path);
else return 1;
}
u32 CheckEncryptedNcchFile(const char* path, u32 offset) {
NcchHeader ncch;
if (LoadNcchHeaders(&ncch, NULL, NULL, path, offset) != 0)
return 1;
return (NCCH_ENCRYPTED(&ncch)) ? 0 : 1;
}
u32 CheckEncryptedNcsdFile(const char* path) {
NcsdHeader ncsd;
// load NCSD header
if (LoadNcsdHeader(&ncsd, path) != 0)
return 1;
// check for encryption in NCSD contents
for (u32 i = 0; i < 8; i++) {
NcchPartition* partition = ncsd.partitions + i;
u32 offset = partition->offset * NCSD_MEDIA_UNIT;
if (!partition->size) continue;
if (CheckEncryptedNcchFile(path, offset) == 0)
return 0;
}
return 1;
}
u32 CheckEncryptedCiaFile(const char* path) {
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
CiaInfo info;
if (!cia) return 1;
// load CIA stub
if ((LoadCiaStub(cia, path) != 0) ||
(GetCiaInfo(&info, &(cia->header)) != 0)) {
free(cia);
return 1;
}
// check for encryption in CIA contents
u32 content_count = getbe16(cia->tmd.content_count);
u64 next_offset = info.offset_content;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(cia->content_list[i]);
if ((getbe16(chunk->type) & 0x1) || (CheckEncryptedNcchFile(path, next_offset) == 0)) {
free(cia);
return 0; // encryption found
}
next_offset += getbe64(chunk->size);
}
free(cia);
return 1;
}
u32 CheckEncryptedFirmFile(const char* path) {
FirmHeader header;
FIL file;
UINT btr;
// open file, get FIRM header
if (fvx_open(&file, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&file, 0);
if ((fvx_read(&file, &header, sizeof(FirmHeader), &btr) != FR_OK) ||
(ValidateFirmHeader(&header, fvx_size(&file)) != 0)) {
fvx_close(&file);
return 1;
}
// check ARM9 binary for ARM9 loader
FirmSectionHeader* arm9s = FindFirmArm9Section(&header);
if (arm9s) {
FirmA9LHeader a9l;
fvx_lseek(&file, arm9s->offset);
if ((fvx_read(&file, &a9l, sizeof(FirmA9LHeader), &btr) == FR_OK) &&
(ValidateFirmA9LHeader(&a9l) == 0)) {
fvx_close(&file);
return 0;
}
}
fvx_close(&file);
return 1;
}
u32 CheckEncryptedBossFile(const char* path) {
// get boss header, check if encrypted
BossHeader boss;
if (fvx_qread(path, &boss, 0, sizeof(BossHeader), NULL) != FR_OK) return 1;
return CheckBossEncrypted(&boss);
}
u32 CheckEncryptedGameFile(const char* path) {
u64 filetype = IdentifyFileType(path);
if (filetype & GAME_CIA)
return CheckEncryptedCiaFile(path);
else if (filetype & GAME_NCSD)
return CheckEncryptedNcsdFile(path);
else if (filetype & GAME_NCCH)
return CheckEncryptedNcchFile(path, 0);
else if (filetype & GAME_BOSS)
return CheckEncryptedBossFile(path);
else if (filetype & SYS_FIRM)
return CheckEncryptedFirmFile(path);
else if (filetype & GAME_NUSCDN)
return 0; // these should always be encrypted
else return 1;
}
u32 CryptNcchNcsdBossFirmFile(const char* orig, const char* dest, u32 mode, u16 crypto,
u32 offset, u32 size, TmdContentChunk* chunk, const u8* titlekey) { // this line only for CIA contents
// this will do a simple copy for unencrypted files
bool inplace = (strncmp(orig, dest, 256) == 0);
FIL ofile;
FIL dfile;
FIL* ofp = &ofile;
FIL* dfp = (inplace) ? &ofile : &dfile;
FSIZE_t fsize;
// FIRM encryption is not possible (yet)
if ((mode & SYS_FIRM) && (crypto != CRYPTO_DECRYPT))
return 1;
// check for BOSS crypto
bool crypt_boss = ((mode & GAME_BOSS) && (CheckEncryptedBossFile(orig) == 0));
crypt_boss = ((mode & GAME_BOSS) && (crypt_boss == (crypto == CRYPTO_DECRYPT)));
// open file(s)
if (inplace) {
if (fvx_open(ofp, orig, FA_READ | FA_WRITE | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(ofp, offset);
} else {
if (fvx_open(ofp, orig, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
if (fvx_open(dfp, dest, FA_WRITE | (offset ? FA_OPEN_ALWAYS : FA_CREATE_ALWAYS)) != FR_OK) {
fvx_close(ofp);
return 1;
}
fvx_lseek(ofp, offset);
fvx_lseek(dfp, offset);
}
fsize = fvx_size(ofp); // for progress bar
if (fsize < offset) return 1;
if (!size) size = fsize - offset;
// ensure free space in destination
if (!inplace) {
if ((fvx_lseek(dfp, offset + size) != FR_OK) ||
(fvx_tell(dfp) != offset + size) ||
(fvx_lseek(dfp, offset) != FR_OK)) {
fvx_close(ofp);
fvx_close(dfp);
return 1;
}
}
// set up buffer
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) {
fvx_close(ofp);
fvx_close(dfp);
return 1;
}
u32 ret = 0;
if (!ShowProgress(offset, fsize, dest)) ret = 1;
if (mode & (GAME_NCCH|GAME_NCSD|GAME_BOSS|SYS_FIRM|GAME_NDS)) { // for NCCH / NCSD / BOSS / FIRM files
for (u64 i = 0; (i < size) && (ret == 0); i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size - i));
UINT bytes_read, bytes_written;
if (fvx_read(ofp, buffer, read_bytes, &bytes_read) != FR_OK) ret = 1;
if (((mode & GAME_NCCH) && (CryptNcchSequential(buffer, i, read_bytes, crypto) != 0)) ||
((mode & GAME_NCSD) && (CryptNcsdSequential(buffer, i, read_bytes, crypto) != 0)) ||
((mode & GAME_BOSS) && crypt_boss && (CryptBossSequential(buffer, i, read_bytes) != 0)) ||
((mode & SYS_FIRM) && (DecryptFirmSequential(buffer, i, read_bytes) != 0)))
ret = 1;
if (inplace) fvx_lseek(ofp, fvx_tell(ofp) - read_bytes);
if (fvx_write(dfp, buffer, read_bytes, &bytes_written) != FR_OK) ret = 1;
if ((read_bytes != bytes_read) || (bytes_read != bytes_written)) ret = 1;
if (!ShowProgress(offset + i + read_bytes, fsize, dest)) ret = 1;
}
} else if (mode & (GAME_CIA|GAME_NUSCDN)) { // for NCCHs inside CIAs
bool cia_crypto = getbe16(chunk->type) & 0x1;
bool ncch_crypto; // find out by decrypting the NCCH header
UINT bytes_read, bytes_written;
u8 ctr[16];
NcchHeader* ncch = (NcchHeader*) (void*) buffer;
GetTmdCtr(ctr, chunk); // NCCH crypto?
if (fvx_read(ofp, buffer, sizeof(NcchHeader), &bytes_read) != FR_OK) ret = 1;
if (cia_crypto) DecryptCiaContentSequential(buffer, sizeof(NcchHeader), ctr, titlekey);
ncch_crypto = ((ValidateNcchHeader(ncch) == 0) && (NCCH_ENCRYPTED(ncch) || !(crypto & NCCH_NOCRYPTO)));
if (ncch_crypto && (SetupNcchCrypto(ncch, crypto) != 0))
ret = 1;
GetTmdCtr(ctr, chunk);
fvx_lseek(ofp, offset);
sha_init(SHA256_MODE);
for (u64 i = 0; (i < size) && (ret == 0); i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size - i));
if (fvx_read(ofp, buffer, read_bytes, &bytes_read) != FR_OK) ret = 1;
if (cia_crypto && (DecryptCiaContentSequential(buffer, read_bytes, ctr, titlekey) != 0)) ret = 1;
if (ncch_crypto && (CryptNcchSequential(buffer, i, read_bytes, crypto) != 0)) ret = 1;
if (inplace) fvx_lseek(ofp, fvx_tell(ofp) - read_bytes);
if (fvx_write(dfp, buffer, read_bytes, &bytes_written) != FR_OK) ret = 1;
sha_update(buffer, read_bytes);
if ((read_bytes != bytes_read) || (bytes_read != bytes_written)) ret = 1;
if (!ShowProgress(offset + i + read_bytes, fsize, dest)) ret = 1;
}
sha_get(chunk->hash);
chunk->type[1] &= ~0x01;
}
fvx_close(ofp);
if (!inplace) fvx_close(dfp);
if (buffer) free(buffer);
return ret;
}
u32 CryptCiaFile(const char* orig, const char* dest, u16 crypto) {
bool inplace = (strncmp(orig, dest, 256) == 0);
CiaInfo info;
u8 titlekey[16];
// start operation
if (!ShowProgress(0, 0, orig)) return 1;
// if not inplace: clear destination
if (!inplace) f_unlink(dest);
// load CIA stub from origin
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
if ((LoadCiaStub(cia, orig) != 0) ||
(GetCiaInfo(&info, &(cia->header)) != 0) ||
(GetTitleKey(titlekey, (Ticket*)&(cia->ticket)) != 0)) {
free(cia);
return 1;
}
// decrypt CIA contents
u32 content_count = getbe16(cia->tmd.content_count);
u64 next_offset = info.offset_content;
u8* cnt_index = cia->header.content_index;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(cia->content_list[i]);
u64 size = getbe64(chunk->size);
u16 index = getbe16(chunk->index);
if (!(cnt_index[index/8] & (1 << (7-(index%8))))) continue; // don't crypt missing contents
if (CryptNcchNcsdBossFirmFile(orig, dest, GAME_CIA, crypto, next_offset, size, chunk, titlekey) != 0) {
free(cia);
return 1;
}
next_offset += size;
}
// if not inplace: take over CIA metadata
if (!inplace && (info.size_meta == CIA_META_SIZE)) {
CiaMeta* meta = (CiaMeta*) (void*) (cia + 1);
if ((fvx_qread(orig, meta, info.offset_meta, CIA_META_SIZE, NULL) != FR_OK) ||
(fvx_qwrite(dest, meta, info.offset_meta, CIA_META_SIZE, NULL) != FR_OK)) {
free(cia);
return 1;
}
}
// fix TMD hashes, write CIA stub to destination
if ((FixTmdHashes(&(cia->tmd)) != 0) || (WriteCiaStub(cia, dest) != 0)) {
free(cia);
return 1;
}
free(cia);
return 0;
}
u32 DecryptFirmFile(const char* orig, const char* dest) {
static const u8 dec_magic[] = { 'D', 'E', 'C', '\0' }; // insert to decrypted firms
void* firm_buffer = (void*) malloc(FIRM_MAX_SIZE);
if (!firm_buffer) return 1;
// load the whole FIRM into memory & decrypt it
ShowProgress(0, 2, dest);
u32 firm_size = fvx_qsize(orig);
if ((firm_size > FIRM_MAX_SIZE) || (fvx_qread(orig, firm_buffer, 0, firm_size, NULL) != FR_OK) ||
(DecryptFirmFull(firm_buffer, firm_size) != 0)) {
free(firm_buffer);
return 1;
}
// add the decrypted magic
FirmHeader* firm = (FirmHeader*) firm_buffer;
memcpy(firm->dec_magic, dec_magic, sizeof(dec_magic));
// write decrypted FIRM to the destination file
ShowProgress(1, 2, dest);
if (fvx_qwrite(dest, firm_buffer, 0, firm_size, NULL) != FR_OK) {
free(firm_buffer);
return 1;
}
ShowProgress(2, 2, dest);
free(firm_buffer);
return 0;
}
u32 CryptCdnFileBuffered(const char* orig, const char* dest, u16 crypto, void* buffer) {
bool inplace = (strncmp(orig, dest, 256) == 0);
TitleMetaData* tmd = (TitleMetaData*) buffer;
TmdContentChunk* content_list = (TmdContentChunk*) (tmd + 1);
// get name
char* fname;
fname = strrchr(orig, '/');
if (!fname) return 1; // will not happen
fname++;
// try to load TMD file
char path_tmd[256];
if (!strrchr(fname, '.')) {
char* name_tmd;
strncpy(path_tmd, orig, 256);
path_tmd[255] = '\0';
name_tmd = strrchr(path_tmd, '/');
if (!name_tmd) return 1; // will not happen
name_tmd++;
snprintf(name_tmd, 256 - (name_tmd - path_tmd), "tmd");
if (LoadTmdFile(tmd, path_tmd) != 0) tmd = NULL;
} else tmd = NULL;
// load or build ticket
Ticket* ticket = NULL;
if (LoadCdnTicketFile(&ticket, orig) != 0) {
if (!tmd || (ticket = (Ticket*)malloc(TICKET_COMMON_SIZE), !ticket)) return 1;
if ((BuildFakeTicket(ticket, tmd->title_id) != 0)) {
free(ticket);
return 1;
}
if (FindTitleKey(ticket, tmd->title_id) != 0) {
free(ticket);
return 1;
}
}
// get titlekey
u8 titlekey[0x10] = { 0xFF };
if (GetTitleKey(titlekey, ticket) != 0) {
free(ticket);
return 1;
}
free(ticket);
// find (build fake) content chunk
TmdContentChunk* chunk = NULL;
if (!tmd) {
chunk = content_list;
memset(chunk, 0, sizeof(TmdContentChunk));
chunk->type[1] = 0x01; // encrypted
} else {
u32 content_count = getbe16(tmd->content_count);
u32 content_id = 0;
if (sscanf(fname, "%08lx", &content_id) != 1) return 1;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
chunk = &(content_list[i]);
if (getbe32(chunk->id) == content_id) break;
chunk = NULL;
}
if (!chunk || !(getbe16(chunk->type) & 0x01)) return 1;
}
// actual crypto
if (CryptNcchNcsdBossFirmFile(orig, dest, GAME_NUSCDN, crypto, 0, 0, chunk, titlekey) != 0)
return 1;
if (inplace && tmd) { // in that case, write the change to the TMD file, too
u32 offset = ((u8*) chunk) - ((u8*) tmd);
fvx_qwrite(path_tmd, chunk, offset, sizeof(TmdContentChunk), NULL);
}
return 0;
}
u32 CryptCdnFile(const char* orig, const char* dest, u16 crypto) {
void* buffer = (void*) malloc(TMD_SIZE_MAX);
if (!buffer) return 1;
u32 ret = CryptCdnFileBuffered(orig, dest, crypto, buffer);
free(buffer);
return ret;
}
u32 CryptGameFile(const char* path, bool inplace, bool encrypt) {
u64 filetype = IdentifyFileType(path);
u16 crypto = encrypt ? CRYPTO_ENCRYPT : CRYPTO_DECRYPT;
char dest[256];
char* destptr = (char*) path;
u32 ret = 0;
if (!inplace) { // build output name
// build output name
snprintf(dest, 256, OUTPUT_PATH "/");
char* dname = dest + strnlen(dest, 256);
if ((strncmp(path + 1, ":/title/", 8) != 0) || (GetGoodName(dname, path, false) != 0)) {
char* name = strrchr(path, '/');
if (!name) return 1;
snprintf(dest, 256, "%s/%s", OUTPUT_PATH, ++name);
}
destptr = dest;
}
if (!CheckWritePermissions(destptr))
return 1;
if (!inplace) { // ensure the output dir exists
if (fvx_rmkdir(OUTPUT_PATH) != FR_OK)
return 1;
}
if (filetype & GAME_CIA)
ret = CryptCiaFile(path, destptr, crypto);
else if (filetype & GAME_NUSCDN)
ret = CryptCdnFile(path, destptr, crypto);
else if (filetype & SYS_FIRM)
ret = DecryptFirmFile(path, destptr);
else if (filetype & (GAME_NCCH|GAME_NCSD|GAME_BOSS))
ret = CryptNcchNcsdBossFirmFile(path, destptr, filetype, crypto, 0, 0, NULL, NULL);
else ret = 1;
if (!inplace && (ret != 0))
f_unlink(dest); // try to get rid of the borked file
return ret;
}
u32 GetInstallDataDrive(char* drv, u64 tid64, bool to_emunand) {
// check the title id
bool to_twl = ((tid64 >> 32) & 0x8000);
bool to_sd = (!to_twl && !((tid64 >> 32) & 0x10));
// determine the correct drive
drv[0] = to_emunand ?
(to_twl ? '5' : to_sd ? 'B' : '4') :
(to_twl ? '2' : to_sd ? 'A' : '1');
drv[1] = ':';
drv[2] = '\0';
return 0;
}
u32 GetInstallDbsPath(char* path, const char* drv, const char* str) {
bool is_ticketdb = (strncasecmp(str, "ticket.db", 10) == 0);
// fix the drive if required
if (*drv == '2') drv = "1:";
else if (*drv == '5') drv = "4:";
else if (is_ticketdb) {
if (*drv == 'A') drv = "1:";
else if (*drv == 'B') drv = "4:";
}
// build the path
snprintf(path, 256, "%2.2s/dbs/%s", drv, str);
return 0;
}
u32 GetInstallPath(char* path, const char* drv, u64 tid64, const u8* content_id, const char* str) {
static const u8 dlc_tid_high[] = { DLC_TID_HIGH };
u32 tid_high = (u32) ((tid64 >> 32) & 0xFFFFFFFF);
u32 tid_low = (u32) (tid64 & 0xFFFFFFFF);
bool dlc = (tid_high == getbe32(dlc_tid_high));
if ((*drv == '2') || (*drv == '5')) // TWL titles need TWL title ID
tid_high = 0x00030000 | (tid_high&0xFF);
if (content_id) { // app path
snprintf(path, 256, "%2.2s/title/%08lx/%08lx/content/%s%08lx.app",
drv, tid_high, tid_low, dlc ? "00000000/" : "", getbe32(content_id));
} else if (str) { // other paths (TMD/CMD/Save)
snprintf(path, 256, "%2.2s/title/%08lx/%08lx/%s",
drv, tid_high, tid_low, str);
} else { // base path (useful for uninstall)
snprintf(path, 256, "%2.2s/title/%08lx/%08lx",
drv, tid_high, tid_low);
}
return 0;
}
u32 CreateSaveData(const char* drv, u64 tid64, const char* name, u32 save_size, bool overwrite) {
bool is_twl = ((*drv == '2') || (*drv == '5'));
char path_save[128];
// generate the save path (thanks ihaveamac for system path)
// we use hardcoded names / numbers for CTR saves
if ((*drv == '1') || (*drv == '4')) { // ooof, system save
// get the id0
u8 sd_keyy[16] __attribute__((aligned(4)));
char path_movable[32];
u32 sha256sum[8];
snprintf(path_movable, 32, "%2.2s/private/movable.sed", drv);
if (fvx_qread(path_movable, sd_keyy, 0x110, 0x10, NULL) != FR_OK) return 1;
memset(sd_keyy, 0x00, 16);
sha_quick(sha256sum, sd_keyy, 0x10, SHA256_MODE);
// build path
u32 tid_low = (u32) (tid64 & 0xFFFFFFFF);
snprintf(path_save, 128, "%2.2s/data/%08lx%08lx%08lx%08lx/sysdata/%08lx%s",
drv, sha256sum[0], sha256sum[1], sha256sum[2], sha256sum[3],
tid_low | 0x00020000, name ? "/00000000" : "");
return 0;
} else if (!is_twl || !name) { // SD CTR save or no name, simple
GetInstallPath(path_save, drv, tid64, NULL, name ? "data/00000001.sav" : "data");
} else {
char substr[64];
snprintf(substr, 64, "data/%s", name);
GetInstallPath(path_save, drv, tid64, NULL, substr);
}
// if name is NULL, we remove instead of create
if (!name) {
fvx_runlink(path_save);
return 0;
}
// generate the save file, first check if it already exists
if (overwrite || (fvx_qsize(path_save) != save_size)) {
fvx_rmkpath(path_save);
if (fvx_qcreate(path_save, save_size) != FR_OK) return 1;
if (!is_twl) { // CTR save, simple case
static const u8 zeroes[0x20] = { 0x00 };
if (fvx_qwrite(path_save, zeroes, 0, 0x20, NULL) != FR_OK)
return 1;
} else if ((strncmp(name, "public.sav", 11) == 0) || // fat12 image
(strncmp(name, "private.sav", 12) == 0)) {
u8* fat16k = (u8*) malloc(0x4000); // 16kiB, that's enough
if (!fat16k) return 1;
memset(fat16k, 0x00, 0x4000);
if ((BuildTwlSaveHeader(fat16k, save_size) != 0) ||
(fvx_qwrite(path_save, fat16k, 0, min(save_size, 0x4000), NULL) != FR_OK)) {
free(fat16k);
return 1;
}
}
}
return 0;
}
u32 UninstallGameData(u64 tid64, bool remove_tie, bool remove_ticket, bool remove_save, bool from_emunand) {
char drv[3];
// check permissions for SysNAND (this includes everything we need)
if (!CheckWritePermissions(from_emunand ? "4:" : "1:")) return 1;
// determine the drive
if (GetInstallDataDrive(drv, tid64, from_emunand) != 0) return 1;
// remove data path
char path_data[256];
if (GetInstallPath(path_data, drv, tid64, NULL, remove_save ? NULL : "content") != 0) return 1;
fvx_runlink(path_data);
// clear leftovers
if (GetInstallPath(path_data, drv, tid64, NULL, NULL) != 0)
fvx_unlink(path_data);
// system save is *not* cleared in any case (!!!)
// remove titledb entry / ticket
u32 ret = 0;
if (remove_tie || remove_ticket) {
// ensure remounting the old mount path
char path_store[256] = { 0 };
char* path_bak = NULL;
strncpy(path_store, GetMountPath(), 256);
if (*path_store) path_bak = path_store;
// we need the big endian title ID
u8 title_id[8];
for (u32 i = 0; i < 8; i++)
title_id[i] = (tid64 >> ((7-i)*8)) & 0xFF;
// ticket database
if (remove_ticket) {
char path_ticketdb[256];
if ((GetInstallDbsPath(path_ticketdb, drv, "ticket.db") != 0) || !InitImgFS(path_ticketdb) ||
((RemoveTicketFromDB("D:/partitionA.bin", title_id)) != 0)) ret = 1;
}
// title database
if (remove_tie) {
char path_titledb[256];
if ((GetInstallDbsPath(path_titledb, drv, "title.db") != 0) || !InitImgFS(path_titledb) ||
((RemoveTitleInfoEntryFromDB("D:/partitionA.bin", title_id)) != 0)) ret = 1;
}
// restore old mount path
InitImgFS(path_bak);
}
return ret;
}
u32 UninstallGameDataTie(const char* path, bool remove_tie, bool remove_ticket, bool remove_save) {
// requirements for this to work:
// * title.db from standard path mounted to T:/
// * entry filename starts with title id
// * these two conditions need to be fulfilled for all ties
bool from_emunand = false;
u64 tid64;
const char* mntpath = GetMountPath();
if (!mntpath) return 1;
// title.db from emunand?
if ((strncasecmp(mntpath, "B:/dbs/title.db", 16) == 0) ||
(strncasecmp(mntpath, "4:/dbs/title.db", 16) == 0))
from_emunand = true;
// get title ID
if (sscanf(path, "T:/%016llx", &tid64) != 1)
return 1;
return UninstallGameData(tid64, remove_tie, remove_ticket, remove_save, from_emunand);
}
u32 InstallCiaContent(const char* drv, const char* path_content, u32 offset, u32 size,
TmdContentChunk* chunk, const u8* title_id, const u8* titlekey, bool cxi_fix) {
char dest[256];
// create destination path and ensure it exists
GetInstallPath(dest, drv, getbe64(title_id), chunk->id, NULL);
fvx_rmkpath(dest);
// open file(s)
FIL ofile;
FIL dfile;
FSIZE_t fsize;
UINT bytes_read, bytes_written;
if (fvx_open(&ofile, path_content, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&ofile, offset);
fsize = fvx_size(&ofile);
if (offset > fsize) return 1;
if (!size) size = fsize - offset;
if (fvx_open(&dfile, dest, FA_WRITE | FA_CREATE_ALWAYS) != FR_OK) {
fvx_close(&ofile);
return 1;
}
// ensure free space for destination file
if ((fvx_lseek(&dfile, size) != FR_OK) ||
(fvx_tell(&dfile) != size) ||
(fvx_lseek(&dfile, 0) != FR_OK)) {
fvx_close(&ofile);
fvx_close(&dfile);
fvx_unlink(dest);
return 1;
}
// allocate buffer
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) {
fvx_close(&ofile);
fvx_close(&dfile);
fvx_unlink(dest);
return 1;
}
// main loop starts here
u8 ctr_in[16];
u8 ctr_out[16];
u32 ret = 0;
bool cia_crypto = getbe16(chunk->type) & 0x1;
GetTmdCtr(ctr_in, chunk);
GetTmdCtr(ctr_out, chunk);
if (!ShowProgress(0, 0, path_content)) ret = 1;
for (u32 i = 0; (i < size) && (ret == 0); i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size - i));
if (fvx_read(&ofile, buffer, read_bytes, &bytes_read) != FR_OK) ret = 1;
if (cia_crypto && (DecryptCiaContentSequential(buffer, read_bytes, ctr_in, titlekey) != 0)) ret = 1;
if ((i == 0) && cxi_fix && (SetNcchSdFlag(buffer) != 0)) ret = 1;
if (i == 0) sha_init(SHA256_MODE);
sha_update(buffer, read_bytes);
if (fvx_write(&dfile, buffer, read_bytes, &bytes_written) != FR_OK) ret = 1;
if ((read_bytes != bytes_read) || (bytes_read != bytes_written)) ret = 1;
if (!ShowProgress(offset + i + read_bytes, fsize, path_content)) ret = 1;
}
u8 hash[0x20];
sha_get(hash);
free(buffer);
fvx_close(&ofile);
fvx_close(&dfile);
// did something go wrong?
if (ret != 0) fvx_unlink(dest);
// chunk size / chunk hash
for (u32 i = 0; i < 8; i++) chunk->size[i] = (u8) (size >> (8*(7-i)));
memcpy(chunk->hash, hash, 0x20);
return ret;
}
u32 InstallCiaSystemData(CiaStub* cia, const char* drv) {
// this assumes contents already installed(!)
// we use hardcoded IDs for CMD (0x1), TMD (0x0), save (0x1/0x0)
TitleInfoEntry tie;
CmdHeader* cmd;
TicketCommon* ticket = &(cia->ticket);
TitleMetaData* tmd = &(cia->tmd);
TmdContentChunk* content_list = cia->content_list;
u32 content_count = getbe16(tmd->content_count);
u8* title_id = ticket->title_id;
u64 tid64 = getbe64(title_id);
bool sdtie = ((*drv == 'A') || (*drv == 'B'));
bool syscmd = (((*drv == '1') || (*drv == '4')) ||
(((*drv == '2') || (*drv == '5')) && (title_id[3] != 0x04)));
char path_titledb[32];
char path_ticketdb[32];
char path_tmd[64];
char path_cmd[64];
// sanity checks
if (content_count == 0) return 1;
if ((*drv != '1') && (*drv != '2') && (*drv != 'A') &&
(*drv != '4') && (*drv != '5') && (*drv != 'B'))
return 1;
// collect data for title info entry
char path_cnt0[256];
u8 hdr_cnt0[0x600]; // we don't need more
NcchHeader* ncch = NULL;
NcchExtHeader* exthdr = NULL;
GetInstallPath(path_cnt0, drv, tid64, content_list->id, NULL);
if (fvx_qread(path_cnt0, hdr_cnt0, 0, 0x600, NULL) != FR_OK)
return 1;
if (ValidateNcchHeader((void*) hdr_cnt0) == 0) {
ncch = (void*) hdr_cnt0;
exthdr = (void*) (hdr_cnt0 + sizeof(NcchHeader));
if (!(ncch->size_exthdr) ||
(DecryptNcch((u8*) exthdr, NCCH_EXTHDR_OFFSET, 0x400, ncch, NULL) != 0))
exthdr = NULL;
}
// build title info entry
if ((ncch && (BuildTitleInfoEntryNcch(&tie, tmd, ncch, exthdr, sdtie) != 0)) ||
(!ncch && (BuildTitleInfoEntryTwl(&tie, tmd, (TwlHeader*) (void*) hdr_cnt0) != 0)))
return 1;
// build the cmd
cmd = BuildAllocCmdData(tmd);
if (!cmd) return 1;
if (!syscmd) cmd->unknown = 0xFFFFFFFE; // mark this as custom built
// generate all the paths
snprintf(path_titledb, 32, "%2.2s/dbs/title.db",
(*drv == '2') ? "1:" : *drv == '5' ? "4:" : drv);
snprintf(path_ticketdb, 32, "%2.2s/dbs/ticket.db",
((*drv == 'A') || (*drv == '2')) ? "1:" :
((*drv == 'B') || (*drv == '5')) ? "4:" : drv);
GetInstallPath(path_tmd, drv, tid64, NULL, "content/00000000.tmd");
GetInstallPath(path_cmd, drv, tid64, NULL, "content/cmd/00000001.cmd");
// copy tmd & cmd
fvx_rmkpath(path_tmd);
fvx_rmkpath(path_cmd);
if ((fvx_qwrite(path_tmd, tmd, 0, TMD_SIZE_N(content_count), NULL) != FR_OK) ||
(fvx_qwrite(path_cmd, cmd, 0, CMD_SIZE(cmd), NULL) != FR_OK)) {
free(cmd);
return 1;
}
free(cmd); // we don't need this anymore
// generate savedata
u32 save_size = getle32(tmd->save_size);
u32 twl_privsave_size = getle32(tmd->twl_privsave_size);
if (exthdr && save_size && // NCCH
(CreateSaveData(drv, tid64, "*", save_size, false) != 0))
return 1;
if (!ncch && save_size && // TWL public.sav
(CreateSaveData(drv, tid64, "public.sav", save_size, false) != 0))
return 1;
if (!ncch && twl_privsave_size && // TWL private.sav
(CreateSaveData(drv, tid64, "private.sav", twl_privsave_size, false) != 0))
return 1;
if ((tmd->twl_flag & 0x2) && // TWL banner.sav
(CreateSaveData(drv, tid64, "banner.sav", sizeof(TwlIconData), false) != 0))
return 1;
// write ticket and title databases
// ensure remounting the old mount path
char path_store[256] = { 0 };
char* path_bak = NULL;
strncpy(path_store, GetMountPath(), 256);
if (*path_store) path_bak = path_store;
// title database
if (!InitImgFS(path_titledb) ||
((AddTitleInfoEntryToDB("D:/partitionA.bin", title_id, &tie, true)) != 0)) {
InitImgFS(path_bak);
return 1;
}
// ticket database
if (!InitImgFS(path_ticketdb) ||
((AddTicketToDB("D:/partitionA.bin", title_id, (Ticket*) ticket, true)) != 0)) {
InitImgFS(path_bak);
return 1;
}
// restore old mount path
InitImgFS(path_bak);
// fix CMACs where required
if (!syscmd) FixFileCmac(path_cmd, true);
return 0;
}
u32 InsertCiaContent(const char* path_cia, const char* path_content, u32 offset, u32 size,
TmdContentChunk* chunk, const u8* titlekey, bool force_legit, bool cxi_fix, bool cdn_decrypt) {
// crypto types / ctr
bool ncch_decrypt = !force_legit;
bool cia_encrypt = (force_legit && (getbe16(chunk->type) & 0x01));
if (!cia_encrypt) chunk->type[1] &= ~0x01; // remove crypto flag
// open file(s)
FIL ofile;
FIL dfile;
FSIZE_t fsize;
UINT bytes_read, bytes_written;
if (fvx_open(&ofile, path_content, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&ofile, offset);
fsize = fvx_size(&ofile);
if (offset > fsize) return 1;
if (!size) size = fsize - offset;
if (fvx_open(&dfile, path_cia, FA_WRITE | FA_OPEN_APPEND) != FR_OK) {
fvx_close(&ofile);
return 1;
}
// ensure free space for destination file
UINT offset_dest = fvx_size(&dfile);
if ((fvx_lseek(&dfile, offset_dest + size) != FR_OK) ||
(fvx_tell(&dfile) != offset_dest + size) ||
(fvx_lseek(&dfile, offset_dest) != FR_OK)) {
fvx_close(&ofile);
fvx_close(&dfile);
return 1;
}
// check if NCCH crypto is available
if (ncch_decrypt) {
NcchHeader ncch;
u8 ctr[16];
GetTmdCtr(ctr, chunk);
if ((fvx_read(&ofile, &ncch, sizeof(NcchHeader), &bytes_read) != FR_OK) ||
(cdn_decrypt && (DecryptCiaContentSequential((u8*) &ncch, 0x200, ctr, titlekey) != 0)) ||
(ValidateNcchHeader(&ncch) != 0) ||
(SetupNcchCrypto(&ncch, NCCH_NOCRYPTO) != 0))
ncch_decrypt = false;
fvx_lseek(&ofile, offset);
}
// allocate buffer
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) {
fvx_close(&ofile);
fvx_close(&dfile);
return 1;
}
// main loop starts here
u8 ctr_in[16];
u8 ctr_out[16];
u32 ret = 0;
GetTmdCtr(ctr_in, chunk);
GetTmdCtr(ctr_out, chunk);
if (!ShowProgress(0, 0, path_content)) ret = 1;
for (u32 i = 0; (i < size) && (ret == 0); i += STD_BUFFER_SIZE) {
u32 read_bytes = min(STD_BUFFER_SIZE, (size - i));
if (fvx_read(&ofile, buffer, read_bytes, &bytes_read) != FR_OK) ret = 1;
if (cdn_decrypt && (DecryptCiaContentSequential(buffer, read_bytes, ctr_in, titlekey) != 0)) ret = 1;
if (ncch_decrypt && (DecryptNcchSequential(buffer, i, read_bytes) != 0)) ret = 1;
if ((i == 0) && cxi_fix && (SetNcchSdFlag(buffer) != 0)) ret = 1;
if (i == 0) sha_init(SHA256_MODE);
sha_update(buffer, read_bytes);
if (cia_encrypt && (EncryptCiaContentSequential(buffer, read_bytes, ctr_out, titlekey) != 0)) ret = 1;
if (fvx_write(&dfile, buffer, read_bytes, &bytes_written) != FR_OK) ret = 1;
if ((read_bytes != bytes_read) || (bytes_read != bytes_written)) ret = 1;
if (!ShowProgress(offset + i + read_bytes, fsize, path_content)) ret = 1;
}
u8 hash[0x20];
sha_get(hash);
free(buffer);
fvx_close(&ofile);
fvx_close(&dfile);
// force legit?
if (force_legit && (memcmp(hash, chunk->hash, 0x20) != 0)) return 1;
if (force_legit && (getbe64(chunk->size) != size)) return 1;
// chunk size / chunk hash
for (u32 i = 0; i < 8; i++) chunk->size[i] = (u8) (size >> (8*(7-i)));
memcpy(chunk->hash, hash, 0x20);
return ret;
}
u32 InsertCiaMeta(const char* path_cia, CiaMeta* meta) {
FIL file;
UINT btw;
if (fvx_open(&file, path_cia, FA_WRITE | FA_OPEN_APPEND) != FR_OK)
return 1;
bool res = ((fvx_write(&file, meta, CIA_META_SIZE, &btw) == FR_OK) && (btw == CIA_META_SIZE));
fvx_close(&file);
return (res) ? 0 : 1;
}
u32 InstallFromCiaFile(const char* path_cia, const char* path_dest) {
CiaInfo info;
u8 titlekey[16];
// start operation
if (!ShowProgress(0, 0, path_cia)) return 1;
// load CIA stub from origin
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
if ((LoadCiaStub(cia, path_cia) != 0) ||
(GetCiaInfo(&info, &(cia->header)) != 0) ||
(GetTitleKey(titlekey, (Ticket*)&(cia->ticket)) != 0)) {
free(cia);
return 1;
}
// install CIA contents
u8* title_id = cia->tmd.title_id;
u32 content_count = getbe16(cia->tmd.content_count);
u64 next_offset = info.offset_content;
u8* cnt_index = cia->header.content_index;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(cia->content_list[i]);
u64 size = getbe64(chunk->size);
u16 index = getbe16(chunk->index);
if (!(cnt_index[index/8] & (1 << (7-(index%8))))) continue; // don't try to install missing contents
if (InstallCiaContent(path_dest, path_cia, next_offset, size,
chunk, title_id, titlekey, false) != 0) {
free(cia);
return 1;
}
next_offset += size;
}
// fix for CIA console ID (if device ID different)
if (getbe32(cia->ticket.console_id) != (&ARM9_ITCM->otp)->deviceId)
memset(cia->ticket.console_id, 0x00, 4);
// fix TMD hashes, install CIA system data
if ((FixTmdHashes(&(cia->tmd)) != 0) ||
(InstallCiaSystemData(cia, path_dest) != 0)) {
free(cia);
return 1;
}
free(cia);
return 0;
}
u32 BuildInstallFromTmdFileBuffered(const char* path_tmd, const char* path_dest, bool force_legit, bool cdn, void* buffer, bool install) {
const u8 dlc_tid_high[] = { DLC_TID_HIGH };
CiaStub* cia = (CiaStub*) buffer;
// Init progress bar
if (!ShowProgress(0, 0, path_tmd)) return 1;
// build the CIA stub
memset(cia, 0, sizeof(CiaStub));
if ((BuildCiaHeader(&(cia->header), TICKET_COMMON_SIZE) != 0) ||
(LoadTmdFile(&(cia->tmd), path_tmd) != 0) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(BuildCiaCert(cia->cert) != 0) ||
(BuildFakeTicket((Ticket*)&(cia->ticket), cia->tmd.title_id) != 0)) {
return 1;
}
// extract info from TMD
TitleMetaData* tmd = &(cia->tmd);
TmdContentChunk* content_list = cia->content_list;
u32 content_count = getbe16(tmd->content_count);
u8* title_id = tmd->title_id;
bool dlc = (memcmp(tmd->title_id, dlc_tid_high, sizeof(dlc_tid_high)) == 0);
if (!content_count) return 1;
// get (legit) ticket
Ticket* ticket = (Ticket*)&(cia->ticket);
bool src_emunand = ((*path_tmd == 'B') || (*path_tmd == '4'));
if (force_legit) {
Ticket* ticket_tmp = NULL;
bool copy = true;
if ((cdn && (LoadCdnTicketFile(&ticket_tmp, path_tmd) != 0)) ||
(!cdn && (FindTicket(&ticket_tmp, title_id, true, src_emunand) != 0))) {
static bool use_generic = false;
if (!use_generic) {
use_generic = ShowPrompt(true, "ID %016llX\nLegit ticket not found.\n \nFallback to generic as default?", getbe64(title_id));
if (!use_generic) {
free(ticket_tmp);
return 1;
}
ShowProgress(0, 0, path_tmd);
}
if (use_generic) {
FindTitleKey(ticket, title_id);
copy = false;
}
}
// either, it's a ticket without ways to check ownership data, smaller sized
// or, it's title ticket with > 1024 contents, of which can't make it work with current CiaStub
if (copy && GetTicketSize(ticket_tmp) != TICKET_COMMON_SIZE) {
ShowPrompt(false, "ID %016llX\nLegit ticket of unsupported size.", getbe64(title_id));
free(ticket_tmp);
return 1;
}
// check the tickets' console id, warn if it isn't zero
if (copy && getbe32(ticket_tmp->console_id)) {
static u32 default_action = 0;
static const char* optionstr[2] =
{"Use generic ticket (not legit)", "Use personalized ticket (legit)"};
if (!default_action) {
default_action = ShowSelectPrompt(2, optionstr,
"ID %016llX\nLegit ticket is personalized.\nUsing this is not recommended.\nChoose default action:", getbe64(title_id));
ShowProgress(0, 0, path_tmd);
}
if (!default_action) {
free(ticket_tmp);
return 1;
}
else if (default_action == 1) {
memcpy(ticket->titlekey, ticket_tmp->titlekey, 0x10);
ticket->commonkey_idx = ticket_tmp->commonkey_idx;
copy = false;
}
}
if (copy) memcpy(ticket, ticket_tmp, TICKET_COMMON_SIZE);
free(ticket_tmp);
} else if (cdn) {
Ticket* ticket_tmp = NULL;
if ((LoadCdnTicketFile(&ticket_tmp, path_tmd) != 0) &&
(FindTitleKey(ticket_tmp, title_id) != 0)) {
ShowPrompt(false, "ID %016llX\nTitlekey not found.", getbe64(title_id));
free(ticket_tmp);
return 1;
}
free(ticket_tmp);
} else {
Ticket* ticket_tmp = NULL;
if ((FindTitleKey(ticket, title_id) != 0) &&
(FindTicket(&ticket_tmp, title_id, false, src_emunand) == 0)) {
// we just copy the titlekey from a valid ticket (if we can)
memcpy(ticket->titlekey, ticket_tmp->titlekey, 0x10);
ticket->commonkey_idx = ticket_tmp->commonkey_idx;
}
if (ticket_tmp) free(ticket_tmp);
}
// content path string
char path_content[256];
char* name_content;
strncpy(path_content, path_tmd, 256);
path_content[255] = '\0';
name_content = strrchr(path_content, '/');
if (!name_content) return 1; // will not happen
name_content++;
u8 present[(TMD_MAX_CONTENTS + 7) / 8];
memset(present, 0xFF, sizeof(present));
// DLC? Check for missing contents first!
if (dlc) for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
FILINFO fno;
TmdContentChunk* chunk = &(content_list[i]);
TicketRightsCheck rights_ctx;
TicketRightsCheck_InitContext(&rights_ctx, (Ticket*)&(cia->ticket));
snprintf(name_content, 256 - (name_content - path_content),
(cdn) ? "%08lx" : (dlc && !cdn) ? "00000000/%08lx.app" : "%08lx.app", getbe32(chunk->id));
if ((fvx_stat(path_content, &fno) != FR_OK) || (fno.fsize != (u32) getbe64(chunk->size)) ||
!TicketRightsCheck_CheckIndex(&rights_ctx, getbe16(chunk->index))) {
present[i / 8] ^= 1 << (i % 8);
u16 index = getbe16(chunk->index);
cia->header.size_content -= getbe64(chunk->size);
cia->header.content_index[index/8] &= ~(1 << (7-(index%8)));
}
}
// insert / install contents
u8 titlekey[16] = { 0xFF };
if ((GetTitleKey(titlekey, (Ticket*)&(cia->ticket)) != 0) && force_legit) return 1;
if (!install && (WriteCiaStub(cia, path_dest) != 0)) return 1;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(content_list[i]);
if (present[i / 8] & (1 << (i % 8))) {
snprintf(name_content, 256 - (name_content - path_content),
(cdn) ? "%08lx" : (dlc && !cdn) ? "00000000/%08lx.app" : "%08lx.app", getbe32(chunk->id));
if (!install && (InsertCiaContent(path_dest, path_content, 0, (u32) getbe64(chunk->size),
chunk, titlekey, force_legit, false, cdn) != 0)) {
ShowPrompt(false, "ID %016llX.%08lX\nInsert content failed", getbe64(title_id), getbe32(chunk->id));
return 1;
}
if (install && (InstallCiaContent(path_dest, path_content, 0, (u32) getbe64(chunk->size),
chunk, title_id, titlekey, false) != 0)) {
ShowPrompt(false, "ID %016llX.%08lX\nInstall content failed", getbe64(title_id), getbe32(chunk->id));
return 1;
}
}
}
// try to build & insert meta, but ignore result
if (!install) {
CiaMeta* meta = (CiaMeta*) malloc(sizeof(CiaMeta));
if (meta) {
if (content_count && cdn) {
if (!force_legit || !(getbe16(content_list->type) & 0x01)) {
CiaInfo info;
GetCiaInfo(&info, &(cia->header));
if ((LoadNcchMeta(meta, path_dest, info.offset_content) == 0) && (InsertCiaMeta(path_dest, meta) == 0))
cia->header.size_meta = CIA_META_SIZE;
}
} else if (content_count) {
snprintf(name_content, 256 - (name_content - path_content), "%08lx.app", getbe32(content_list->id));
if ((LoadNcchMeta(meta, path_content, 0) == 0) && (InsertCiaMeta(path_dest, meta) == 0))
cia->header.size_meta = CIA_META_SIZE;
}
free(meta);
}
}
// write the CIA stub (take #2)
if ((FixTmdHashes(tmd) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0)) ||
(install && (InstallCiaSystemData(cia, path_dest) != 0)))
return 1;
return 0;
}
u32 InstallFromTmdFile(const char* path_tmd, const char* path_dest) {
void* buffer = (void*) malloc(sizeof(CiaStub));
if (!buffer) return 1;
u32 ret = BuildInstallFromTmdFileBuffered(path_tmd, path_dest, false, true, buffer, true);
free(buffer);
return ret;
}
u32 BuildCiaFromTmdFile(const char* path_tmd, const char* path_dest, bool force_legit, bool cdn) {
void* buffer = (void*) malloc(sizeof(CiaStub));
if (!buffer) return 1;
u32 ret = BuildInstallFromTmdFileBuffered(path_tmd, path_dest, force_legit, cdn, buffer, false);
free(buffer);
return ret;
}
u32 BuildCiaFromTieFile(const char* path_tie, const char* path_dest, bool force_legit) {
char path_tmd[64];
// get the TMD path
if (GetTieTmdPath(path_tmd, path_tie) != 0)
return 1;
// let the TMD builder function take over
return BuildCiaFromTmdFile(path_tmd, path_dest, force_legit, false);
}
u32 BuildInstallFromNcchFile(const char* path_ncch, const char* path_dest, bool install) {
NcchExtHeader exthdr;
NcchHeader ncch;
u8 title_id[8];
u32 save_size = 0;
bool has_exthdr = false;
// Init progress bar
if (!ShowProgress(0, 0, path_ncch)) return 1;
// load NCCH header / extheader, get save size && title id
if (LoadNcchHeaders(&ncch, &exthdr, NULL, path_ncch, 0) == 0) {
save_size = (u32) exthdr.savedata_size;
has_exthdr = true;
} else if (LoadNcchHeaders(&ncch, NULL, NULL, path_ncch, 0) != 0) {
return 1;
}
for (u32 i = 0; i < 8; i++)
title_id[i] = (ncch.programId >> ((7-i)*8)) & 0xFF;
// build the CIA stub
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
memset(cia, 0, sizeof(CiaStub));
if ((BuildCiaHeader(&(cia->header), TICKET_COMMON_SIZE) != 0) ||
(BuildCiaCert(cia->cert) != 0) ||
(BuildFakeTicket((Ticket*)&(cia->ticket), title_id) != 0) ||
(BuildFakeTmd(&(cia->tmd), title_id, 1, save_size, 0, 0)) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0))) {
free(cia);
return 1;
}
// insert / install NCCH content
TmdContentChunk* chunk = cia->content_list;
memset(chunk, 0, sizeof(TmdContentChunk)); // nothing else to do
if ((!install && (InsertCiaContent(path_dest, path_ncch, 0, 0, chunk, NULL, false, true, false) != 0)) ||
(install && (InstallCiaContent(path_dest, path_ncch, 0, 0, chunk, title_id, NULL, true) != 0))) {
free(cia);
return 1;
}
// optional stuff (proper titlekey / meta data)
if (!install) {
CiaMeta* meta = (CiaMeta*) malloc(sizeof(CiaMeta));
if (meta && has_exthdr && (BuildCiaMeta(meta, &exthdr, NULL) == 0) &&
(LoadExeFsFile(meta->smdh, path_ncch, 0, "icon", sizeof(meta->smdh), NULL) == 0) &&
(InsertCiaMeta(path_dest, meta) == 0))
cia->header.size_meta = CIA_META_SIZE;
free(meta);
}
// write the CIA stub (take #2)
FindTitleKey((Ticket*)(&cia->ticket), title_id);
if ((FixTmdHashes(&(cia->tmd)) != 0) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0)) ||
(install && (InstallCiaSystemData(cia, path_dest) != 0))) {
free(cia);
return 1;
}
free(cia);
return 0;
}
u32 BuildInstallFromNcsdFile(const char* path_ncsd, const char* path_dest, bool install) {
NcchExtHeader exthdr;
NcsdHeader ncsd;
NcchHeader ncch;
u8 title_id[8];
u32 save_size = 0;
// Init progress bar
if (!ShowProgress(0, 0, path_ncsd)) return 1;
// load NCSD header, get content count, title id
u32 content_count = 0;
if (LoadNcsdHeader(&ncsd, path_ncsd) != 0) return 1;
for (u32 i = 0; i < 3; i++)
if (ncsd.partitions[i].size) content_count++;
for (u32 i = 0; i < 8; i++)
title_id[i] = (ncsd.mediaId >> ((7-i)*8)) & 0xFF;
// load first content NCCH / extheader
if (LoadNcchHeaders(&ncch, &exthdr, NULL, path_ncsd, NCSD_CNT0_OFFSET) != 0)
return 1;
save_size = (u32) exthdr.savedata_size;
// build the CIA stub
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
memset(cia, 0, sizeof(CiaStub));
if ((BuildCiaHeader(&(cia->header), TICKET_COMMON_SIZE) != 0) ||
(BuildCiaCert(cia->cert) != 0) ||
(BuildFakeTicket((Ticket*)&(cia->ticket), title_id) != 0) ||
(BuildFakeTmd(&(cia->tmd), title_id, content_count, save_size, 0, 0)) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0))) {
free(cia);
return 1;
}
// insert / install NCSD content
TmdContentChunk* chunk = cia->content_list;
for (u32 i = 0; i < 3; i++) {
NcchPartition* partition = ncsd.partitions + i;
u32 offset = partition->offset * NCSD_MEDIA_UNIT;
u32 size = partition->size * NCSD_MEDIA_UNIT;
if (!size) continue;
memset(chunk, 0, sizeof(TmdContentChunk));
chunk->id[3] = i;
chunk->index[1] = i;
if ((!install && (InsertCiaContent(path_dest, path_ncsd,
offset, size, chunk++, NULL, false, (i == 0), false) != 0)) ||
(install && (InstallCiaContent(path_dest, path_ncsd,
offset, size, chunk++, title_id, NULL, (i == 0)) != 0))) {
free(cia);
return 1;
}
}
// optional stuff (proper titlekey / meta data)
if (!install) {
CiaMeta* meta = (CiaMeta*) malloc(sizeof(CiaMeta));
if (meta && (BuildCiaMeta(meta, &exthdr, NULL) == 0) &&
(LoadExeFsFile(meta->smdh, path_ncsd, NCSD_CNT0_OFFSET, "icon", sizeof(meta->smdh), NULL) == 0) &&
(InsertCiaMeta(path_dest, meta) == 0))
cia->header.size_meta = CIA_META_SIZE;
if (meta) free(meta);
}
// update title version from cart header (yeah, that's a bit hacky)
u16 title_version;
if (fvx_qread(path_ncsd, &title_version, 0x310, 2, NULL) == FR_OK) {
u8 title_version_le[2];
title_version_le[0] = (title_version >> 8) & 0xFF;
title_version_le[1] = title_version & 0xFF;
memcpy((cia->tmd).title_version, title_version_le, 2);
memcpy((cia->ticket).ticket_version, title_version_le, 2);
}
// write the CIA stub (take #2)
FindTitleKey((Ticket*)&(cia->ticket), title_id);
if ((FixTmdHashes(&(cia->tmd)) != 0) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0)) ||
(install && (InstallCiaSystemData(cia, path_dest) != 0))) {
free(cia);
return 1;
}
free(cia);
return 0;
}
u32 BuildInstallFromNdsFile(const char* path_nds, const char* path_dest, bool install) {
TwlHeader twl;
u8 title_id[8];
u32 save_size = 0;
u32 privsave_size = 0;
u8 twl_flag = 0;
// Init progress bar
if (!ShowProgress(0, 0, path_nds)) return 1;
// load TWL header, get save sizes, srl flag && title id
if (fvx_qread(path_nds, &twl, 0, sizeof(TwlHeader), NULL) != FR_OK)
return 1;
for (u32 i = 0; i < 8; i++)
title_id[i] = (twl.title_id >> ((7-i)*8)) & 0xFF;
save_size = twl.pubsav_size;
privsave_size = twl.prvsav_size;
twl_flag = twl.srl_flag;
// some basic sanity checks
// see: https://problemkaputt.de/gbatek.htm#dsicartridgeheader
// (gamecart dumps are not allowed)
static const u8 tidhigh_dsiware[4] = { 0x00, 0x03, 0x00, 0x04 };
if ((memcmp(title_id, tidhigh_dsiware, 3) != 0) || !title_id[3])
return 1;
// convert DSi title ID to 3DS title ID
static const u8 tidhigh_3ds[4] = { 0x00, 0x04, 0x80, 0x04 };
memcpy(title_id, tidhigh_3ds, 3);
// build the CIA stub
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
memset(cia, 0, sizeof(CiaStub));
if ((BuildCiaHeader(&(cia->header), TICKET_COMMON_SIZE) != 0) ||
(BuildCiaCert(cia->cert) != 0) ||
(BuildFakeTicket((Ticket*)&(cia->ticket), title_id) != 0) ||
(BuildFakeTmd(&(cia->tmd), title_id, 1, save_size, privsave_size, twl_flag)) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0))) {
free(cia);
return 1;
}
// insert / install NDS content
TmdContentChunk* chunk = cia->content_list;
memset(chunk, 0, sizeof(TmdContentChunk)); // nothing else to do
if ((!install && (InsertCiaContent(path_dest, path_nds, 0, 0, chunk, NULL, false, false, false) != 0)) ||
(install && (InstallCiaContent(path_dest, path_nds, 0, 0, chunk, title_id, NULL, false) != 0))) {
free(cia);
return 1;
}
// write the CIA stub (take #2)
FindTitleKey((Ticket*)(&cia->ticket), title_id);
if ((FixTmdHashes(&(cia->tmd)) != 0) ||
(FixCiaHeaderForTmd(&(cia->header), &(cia->tmd)) != 0) ||
(!install && (WriteCiaStub(cia, path_dest) != 0)) ||
(install && (InstallCiaSystemData(cia, path_dest) != 0))) {
free(cia);
return 1;
}
free(cia);
return 0;
}
u32 BuildCiaFromGameFile(const char* path, bool force_legit) {
u64 filetype = IdentifyFileType(path);
char dest[256];
u32 ret = 0;
// build output name
snprintf(dest, 256, OUTPUT_PATH "/");
char* dname = dest + strnlen(dest, 256);
if (!((filetype & (GAME_TMD|GAME_TIE)) || (strncmp(path + 1, ":/title/", 8) == 0)) ||
(GetGoodName(dname, path, false) != 0)) {
char* name = strrchr(path, '/');
if (!name) return 1;
snprintf(dest, 256, "%s/%s", OUTPUT_PATH, ++name);
}
// replace extension
char* dot = strrchr(dest, '.');
if (!dot || (dot < strrchr(dest, '/')))
dot = dest + strnlen(dest, 256);
snprintf(dot, 16, ".%s", force_legit ? "legit.cia" : "cia");
if (!CheckWritePermissions(dest)) return 1;
f_unlink(dest); // remove the file if it already exists
// ensure the output dir exists
if (fvx_rmkdir(OUTPUT_PATH) != FR_OK)
return 1;
// build CIA from game file
if (filetype & GAME_TIE)
ret = BuildCiaFromTieFile(path, dest, force_legit);
else if (filetype & GAME_TMD)
ret = BuildCiaFromTmdFile(path, dest, force_legit, filetype & FLAG_NUSCDN);
else if (filetype & GAME_NCCH)
ret = BuildInstallFromNcchFile(path, dest, false);
else if (filetype & GAME_NCSD)
ret = BuildInstallFromNcsdFile(path, dest, false);
else if ((filetype & GAME_NDS) && (filetype & FLAG_DSIW))
ret = BuildInstallFromNdsFile(path, dest, false);
else ret = 1;
if (ret != 0) // try to get rid of the borked file
f_unlink(dest);
return ret;
}
u64 GetGameFileTitleId(const char* path) {
u64 filetype = IdentifyFileType(path);
u64 tid64 = 0;
if (filetype & GAME_CIA) {
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 0;
if (LoadCiaStub(cia, path) == 0)
tid64 = getbe64(cia->tmd.title_id);
free(cia);
} else if (filetype & GAME_TMD) {
TitleMetaData* tmd = (TitleMetaData*) malloc(TMD_SIZE_MAX);
if (!tmd) return 0;
if (LoadTmdFile(tmd, path) == 0)
tid64 = getbe64(tmd->title_id);
free(tmd);
} else if (filetype & GAME_NCCH) {
NcchHeader ncch;
if (LoadNcchHeaders(&ncch, NULL, NULL, path, 0) == 0)
tid64 = ncch.partitionId;
} else if (filetype & GAME_NCSD) {
NcsdHeader ncsd;
if (LoadNcsdHeader(&ncsd, path) == 0)
tid64 = ncsd.mediaId;
} else if ((filetype & GAME_NDS) && (filetype & FLAG_DSIW)) {
TwlHeader twl;
if (fvx_qread(path, &twl, 0, sizeof(TwlHeader), NULL) == FR_OK)
tid64 = 0x0004800000000000ull | (twl.title_id & 0xFFFFFFFFFFull);
}
return tid64;
}
u32 InstallGameFile(const char* path, bool to_emunand) {
char drv[3];
u64 filetype = IdentifyFileType(path);
u32 ret = 0;
// find out the destination
u64 tid64 = GetGameFileTitleId(path);
if (GetInstallDataDrive(drv, tid64, to_emunand) != 0)
return 1;
// check dbs
char path_db[32];
if (((GetInstallDbsPath(path_db, drv, "title.db" ) != 0) || !fvx_qsize(path_db)) ||
((GetInstallDbsPath(path_db, drv, "import.db") != 0) || !fvx_qsize(path_db)) ||
((GetInstallDbsPath(path_db, drv, "ticket.db") != 0) || !fvx_qsize(path_db))) {
ShowPrompt(false, "Install error:\nThis system is missing one or\nmore .db files.\n \nMaybe the SD card is missing\nor uninitialized?");
return 1;
}
// check permissions for SysNAND (this includes everything we need)
if (!CheckWritePermissions(to_emunand ? "4:" : "1:")) return 1;
// cleanup content folder before starting install
ShowProgress(0, 0, path);
UninstallGameData(tid64, false, false, false, to_emunand);
// install game file
if (filetype & GAME_CIA)
ret = InstallFromCiaFile(path, drv);
else if ((filetype & GAME_TMD) && (filetype & FLAG_NUSCDN))
ret = InstallFromTmdFile(path, drv);
else if (filetype & GAME_NCCH)
ret = BuildInstallFromNcchFile(path, drv, true);
else if (filetype & GAME_NCSD)
ret = BuildInstallFromNcsdFile(path, drv, true);
else if ((filetype & GAME_NDS) && (filetype & FLAG_DSIW))
ret = BuildInstallFromNdsFile(path, drv, true);
else ret = 1;
// cleanup on failed installs, but leave ticket and save untouched
if (ret != 0) UninstallGameData(tid64, true, false, false, to_emunand);
return ret;
}
// this has very limited uses right now
u32 DumpCxiSrlFromTmdFile(const char* path) {
u64 filetype = 0;
char path_cxi[256];
char dest[256];
// prepare output name
snprintf(dest, 256, OUTPUT_PATH "/");
char* dname = dest + strnlen(dest, 256);
if (!CheckWritePermissions(dest)) return 1;
// ensure the output dir exists
if (fvx_rmkdir(OUTPUT_PATH) != FR_OK)
return 1;
// get path to CXI/SRL and decrypt (if encrypted)
if ((strncmp(path + 1, ":/title/", 8) != 0) ||
(GetTmdContentPath(path_cxi, path) != 0) ||
(!((filetype = IdentifyFileType(path_cxi)) & (GAME_NCCH|GAME_NDS))) ||
(GetGoodName(dname, path_cxi, false) != 0) ||
(CryptNcchNcsdBossFirmFile(path_cxi, dest, filetype, CRYPTO_DECRYPT, 0, 0, NULL, NULL) != 0)) {
if (*dname) fvx_unlink(dest);
return 1;
}
return 0;
}
u32 ExtractCodeFromCxiFile(const char* path, const char* path_out, char* extstr) {
u64 filetype = IdentifyFileType(path);
char dest[256];
if (!path_out && (fvx_rmkdir(OUTPUT_PATH) != FR_OK)) return 1;
strncpy(dest, path_out ? path_out : OUTPUT_PATH, 256);
dest[255] = '\0';
if (!CheckWritePermissions(dest)) return 1;
// NCSD handling
u32 ncch_offset = 0;
if (filetype & GAME_NCSD) {
NcsdHeader ncsd;
if (LoadNcsdHeader(&ncsd, path) == 0)
ncch_offset = ncsd.partitions[0].offset * NCSD_MEDIA_UNIT;
else return 1;
}
// load all required headers
NcchHeader ncch;
NcchExtHeader exthdr;
ExeFsHeader exefs;
if (LoadNcchHeaders(&ncch, &exthdr, &exefs, path, ncch_offset) != 0) return 1;
// find ".code" or ".firm" inside the ExeFS header
u32 code_size = 0;
u32 code_offset = 0;
for (u32 i = 0; i < 10; i++) {
if (exefs.files[i].size &&
((strncmp(exefs.files[i].name, EXEFS_CODE_NAME, 8) == 0) ||
(strncmp(exefs.files[i].name, ".firm", 8) == 0))) {
code_size = exefs.files[i].size;
code_offset = (ncch.offset_exefs * NCCH_MEDIA_UNIT) + sizeof(ExeFsHeader) + exefs.files[i].offset;
}
}
// if code is compressed: find decompressed size
u32 code_max_size = code_size;
if (exthdr.flag & 0x1) {
u8 footer[8];
if (code_size < 8) return 1;
if ((fvx_qread(path, footer, ncch_offset + code_offset + code_size - 8, 8, NULL) != FR_OK) ||
(DecryptNcch(footer, code_offset + code_size - 8, 8, &ncch, &exefs) != 0))
return 1;
u32 unc_size = GetCodeLzssUncompressedSize(footer, code_size);
code_max_size = max(code_size, unc_size);
}
// allocate memory
u8* code = (u8*) malloc(code_max_size);
if (!code) {
ShowPrompt(false, "Out of memory.");
return 1;
}
// load .code
if ((fvx_qread(path, code, ncch_offset + code_offset, code_size, NULL) != FR_OK) ||
(DecryptNcch(code, code_offset, code_size, &ncch, &exefs) != 0)) {
free(code);
return 1;
}
// decompress code (only if required)
if ((exthdr.flag & 0x1) && (DecompressCodeLzss(code, &code_size, code_max_size) != 0)) {
free(code);
return 1;
}
// finalize output path (if not already final)
char* ext = EXEFS_CODE_NAME;
if (code_size >= 0x200) {
if (ValidateFirmHeader((FirmHeader*)(void*) code, code_size) == 0) ext = ".firm";
else if (ValidateAgbHeader((AgbHeader*)(void*) code) == 0) ext = ".gba";
}
if (extstr) strncpy(extstr, ext, 7);
if (!path_out) snprintf(dest, 256, OUTPUT_PATH "/%016llX%s%s", ncch.programId, (exthdr.flag & 0x1) ? ".dec" : "", ext);
// write output file
fvx_unlink(dest);
if (fvx_qwrite(dest, code, 0, code_size, NULL) != FR_OK) {
fvx_unlink(dest);
free(code);
return 1;
}
free(code);
return 0;
}
u32 CompressCode(const char* path, const char* path_out) {
char dest[256];
strncpy(dest, path_out ? path_out : OUTPUT_PATH, 255);
if (!CheckWritePermissions(dest)) return 1;
if (!path_out && (fvx_rmkdir(OUTPUT_PATH) != FR_OK)) return 1;
// allocate memory
u32 code_dec_size = fvx_qsize(path);
u8* code_dec = (u8*) malloc(code_dec_size);
u32 code_cmp_size = code_dec_size;
u8* code_cmp = (u8*) malloc(code_cmp_size);
if (!code_dec || !code_cmp) {
if (code_dec != NULL) free(code_dec);
if (code_cmp != NULL) free(code_cmp);
ShowPrompt(false, "Out of memory.");
return 1;
}
// load code.bin and compress code
if ((fvx_qread(path, code_dec, 0, code_dec_size, NULL) != FR_OK) ||
(!CompressCodeLzss(code_dec, code_dec_size, code_cmp, &code_cmp_size))) {
free(code_dec);
free(code_cmp);
return 1;
}
// write output file
fvx_unlink(dest);
free(code_dec);
if (fvx_qwrite(dest, code_cmp, 0, code_cmp_size, NULL) != FR_OK) {
fvx_unlink(dest);
free(code_cmp);
return 1;
}
free(code_cmp);
return 0;
}
u64 GetGameFileTrimmedSize(const char* path) {
u64 filetype = IdentifyFileType(path);
u64 trimsize = 0;
if (filetype & GAME_NDS) {
TwlHeader hdr;
if (fvx_qread(path, &hdr, 0, sizeof(TwlHeader), NULL) != FR_OK)
return 0;
if (hdr.unit_code != 0x00) // DSi or NDS+DSi
trimsize = hdr.ntr_twl_rom_size;
else trimsize = hdr.ntr_rom_size; // regular NDS
} else {
u8 hdr[0x200];
if (fvx_qread(path, &hdr, 0, 0x200, NULL) != FR_OK)
return 0;
if (filetype & IMG_NAND)
trimsize = GetNandNcsdMinSizeSectors((NandNcsdHeader*) (void*) hdr) * 0x200;
else if (filetype & SYS_FIRM)
trimsize = GetFirmSize((FirmHeader*) (void*) hdr);
else if (filetype & GAME_NCSD)
trimsize = GetNcsdTrimmedSize((NcsdHeader*) (void*) hdr);
else if (filetype & GAME_NCCH)
trimsize = ((NcchHeader*) (void*) hdr)->size * NCCH_MEDIA_UNIT;
}
// safety check for file size
if (trimsize > fvx_qsize(path))
trimsize = 0;
return trimsize;
}
u32 TrimGameFile(const char* path) {
u64 trimsize = GetGameFileTrimmedSize(path);
if (!trimsize) return 1;
// actual truncate routine - FAT only
FIL fp;
if (fx_open(&fp, path, FA_WRITE | FA_OPEN_EXISTING) != FR_OK)
return 1;
if ((f_lseek(&fp, (u32) trimsize) != FR_OK) || (f_truncate(&fp) != FR_OK)) {
fx_close(&fp);
return 1;
}
fx_close(&fp);
// all done
return 0;
}
u32 LoadSmdhFromGameFile(const char* path, Smdh* smdh) {
u64 filetype = IdentifyFileType(path);
if (filetype & GAME_SMDH) { // SMDH file
UINT btr;
if ((fvx_qread(path, smdh, 0, sizeof(Smdh), &btr) == FR_OK) || (btr == sizeof(Smdh))) return 0;
} else if (filetype & GAME_NCCH) { // NCCH file
if (LoadExeFsFile(smdh, path, 0, "icon", sizeof(Smdh), NULL) == 0) return 0;
} else if (filetype & GAME_NCSD) { // NCSD file
if (LoadExeFsFile(smdh, path, NCSD_CNT0_OFFSET, "icon", sizeof(Smdh), NULL) == 0) return 0;
} else if (filetype & GAME_CIA) { // CIA file
CiaInfo info;
if ((fvx_qread(path, &info, 0, 0x20, NULL) != FR_OK) ||
(GetCiaInfo(&info, (CiaHeader*) &info) != 0)) return 1;
if ((info.offset_meta) && (fvx_qread(path, smdh, info.offset_meta + 0x400, sizeof(Smdh), NULL) == FR_OK)) return 0;
else if (LoadExeFsFile(smdh, path, info.offset_content, "icon", sizeof(Smdh), NULL) == 0) return 0;
} else if (filetype & GAME_TMD) {
char path_content[256];
if (GetTmdContentPath(path_content, path) != 0) return 1;
return LoadSmdhFromGameFile(path_content, smdh);
} else if (filetype & GAME_TIE) {
char path_content[256];
if (GetTieContentPath(path_content, path) != 0) return 1;
return LoadSmdhFromGameFile(path_content, smdh);
} else if (filetype & GAME_3DSX) {
ThreedsxHeader threedsx;
if ((fvx_qread(path, &threedsx, 0, sizeof(ThreedsxHeader), NULL) != FR_OK) ||
(!threedsx.offset_smdh || (threedsx.size_smdh != sizeof(Smdh))) ||
(fvx_qread(path, smdh, threedsx.offset_smdh, sizeof(Smdh), NULL) != FR_OK))
return 1;
return 0;
}
return 1;
}
u32 ShowSmdhTitleInfo(Smdh* smdh, u16* screen) {
static const u8 smdh_magic[] = { SMDH_MAGIC };
const u32 lwrap = 24;
u16 icon[SMDH_SIZE_ICON_BIG / sizeof(u16)];
char desc_l[SMDH_SIZE_DESC_LONG+1];
char desc_s[SMDH_SIZE_DESC_SHORT+1];
char pub[SMDH_SIZE_PUBLISHER+1];
if ((memcmp(smdh->magic, smdh_magic, 4) != 0) ||
(GetSmdhIconBig(icon, smdh) != 0) ||
(GetSmdhDescLong(desc_l, smdh) != 0) ||
(GetSmdhDescShort(desc_s, smdh) != 0) ||
(GetSmdhPublisher(pub, smdh) != 0))
return 1;
WordWrapString(desc_l, lwrap);
WordWrapString(desc_s, lwrap);
WordWrapString(pub, lwrap);
ShowIconStringF(screen, icon, SMDH_DIM_ICON_BIG, SMDH_DIM_ICON_BIG, "%s\n%s\n%s", desc_l, desc_s, pub);
return 0;
}
u32 ShowTwlIconTitleInfo(TwlIconData* twl_icon, u16* screen) {
const u32 lwrap = 24;
u16 icon[TWLICON_SIZE_ICON / sizeof(u16)];
char desc[TWLICON_SIZE_DESC+1];
if ((GetTwlIcon(icon, twl_icon) != 0) ||
(GetTwlTitle(desc, twl_icon) != 0))
return 1;
WordWrapString(desc, lwrap);
ShowIconStringF(screen, icon, TWLICON_DIM_ICON, TWLICON_DIM_ICON, "%s", desc);
return 0;
}
u32 ShowGbaFileTitleInfo(const char* path, u16* screen) {
AgbHeader agb;
if ((fvx_qread(path, &agb, 0, sizeof(AgbHeader), NULL) != FR_OK) ||
(ValidateAgbHeader(&agb) != 0)) return 1;
ShowStringF(screen, "%.12s (AGB-%.4s)\n%s", agb.game_title, agb.game_code, AGB_DESTSTR(agb.game_code));
return 0;
}
u32 ShowGameFileTitleInfoF(const char* path, u16* screen, bool clear) {
char path_content[256];
u64 itype = IdentifyFileType(path); // initial type
if (itype & GAME_TMD) {
if (GetTmdContentPath(path_content, path) != 0) return 1;
path = path_content;
} else if (itype & GAME_TIE) {
if (GetTieContentPath(path_content, path) != 0) return 1;
path = path_content;
}
void* buffer = (void*) malloc(max(sizeof(Smdh), sizeof(TwlIconData)));
Smdh* smdh = (Smdh*) buffer;
TwlIconData* twl_icon = (TwlIconData*) buffer;
// try loading SMDH, then try NDS / GBA
u32 ret = 1;
if (LoadSmdhFromGameFile(path, smdh) == 0)
ret = ShowSmdhTitleInfo(smdh, screen);
else if ((LoadTwlMetaData(path, NULL, twl_icon) == 0) ||
((itype & GAME_TAD) && (fvx_qread(path, twl_icon, TAD_BANNER_OFFSET, sizeof(TwlIconData), NULL) == FR_OK)))
ret = ShowTwlIconTitleInfo(twl_icon, screen);
else ret = ShowGbaFileTitleInfo(path, screen);
if (!ret && clear) {
while(!(InputWait(0) & (BUTTON_A | BUTTON_B)));
ClearScreen(screen, COLOR_STD_BG);
}
free(buffer);
return ret;
}
u32 ShowGameFileTitleInfo(const char* path) {
return ShowGameFileTitleInfoF(path, MAIN_SCREEN, true);
}
u32 ShowCiaCheckerInfo(const char* path) {
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
if (!cia) return 1;
// path string
char pathstr[32 + 1];
TruncateString(pathstr, path, 32, 8);
// load CIA stub
if (LoadCiaStub(cia, path) != 0) {
ShowPrompt(false, "%s\nError: Probably not a CIA file", pathstr);
free(cia);
return 1;
}
// states: 0 -> invalid / 1 -> valid / badsig / 2 -> valid / goodsig
u32 state_ticket = 0;
u32 state_tmd = 0;
u32 content_count = getbe16(cia->tmd.content_count);
u32 content_found = 0;
u64 title_id = getbe64(cia->ticket.title_id);
u32 console_id = getbe32(cia->ticket.console_id);
bool missing_first = false;
bool is_dlc = ((title_id >> 32) == 0x0004008C);
// check ticket
if (ValidateTicket((Ticket*)&(cia->ticket)) == 0)
state_ticket = (ValidateTicketSignature((Ticket*)&(cia->ticket)) == 0) ? 2 : 1;
// check tmd
if (ValidateTmd(&(cia->tmd)) == 0)
state_tmd = (ValidateTmdSignature(&(cia->tmd)) == 0) ? 2 : 1;
// check for available contents
u8* cnt_index = cia->header.content_index;
for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++) {
TmdContentChunk* chunk = &(cia->content_list[i]);
u16 index = getbe16(chunk->index);
if (cnt_index[index/8] & (1 << (7-(index%8)))) content_found++;
else if (i == 0) missing_first = true;
}
// CIA type string
char typestr[32];
if (!state_ticket || !state_tmd || missing_first || (!is_dlc && (content_found != content_count)))
snprintf(typestr, 32, "Possibly Broken");
else snprintf(typestr, 32, "%s %s%s",
console_id ? "Personal" : "Universal",
((state_ticket == 2) && (state_tmd == 2)) ? "Legit" :
(state_tmd == 2) ? "Pirate Legit" : "Custom",
is_dlc ? " DLC" : "");
// output results
s32 state_verify = -1;
while (true) {
if (!ShowPrompt(state_verify < 0, "%s\n%s CIA File\n \nTitle ID: %016llX\nConsole ID: %08lX\nContents in CIA: %lu/%lu\nTicket/TMD: %s/%s\nVerification: %s",
pathstr, typestr, title_id, console_id,
content_found, content_count,
(state_ticket == 0) ? "invalid" : (state_ticket == 2) ? "legit" : "illegit",
(state_tmd == 0) ? "invalid" : (state_tmd == 2) ? "legit" : "illegit",
(state_verify < 0) ? "pending\n \nProceed with verification?" : (state_verify == 0) ? "passed" : "failed") ||
(state_verify >= 0)) break;
state_verify = VerifyCiaFile(path);
}
free(cia);
return (state_ticket && state_tmd) ? 0 : 1;
}
u32 BuildNcchInfoXorpads(const char* destdir, const char* path) {
FIL fp_info;
FIL fp_xorpad;
UINT bt;
if (!CheckWritePermissions(destdir)) return 1;
// warning: this will only build output dirs in the root dir (!)
if ((f_stat(destdir, NULL) != FR_OK) && (f_mkdir(destdir) != FR_OK))
return 1;
NcchInfoHeader info;
u32 version = 0;
u32 entry_size = 0;
u32 ret = 0;
if (fvx_open(&fp_info, path, FA_READ | FA_OPEN_EXISTING) != FR_OK)
return 1;
fvx_lseek(&fp_info, 0);
if ((fvx_read(&fp_info, &info, sizeof(NcchInfoHeader), &bt) != FR_OK) ||
(bt != sizeof(NcchInfoHeader))) {
fvx_close(&fp_info);
return 1;
}
version = GetNcchInfoVersion(&info);
entry_size = (version == 3) ? NCCHINFO_V3_SIZE : sizeof(NcchInfoEntry);
if (!version) ret = 1;
u8* buffer = (u8*) malloc(STD_BUFFER_SIZE);
if (!buffer) ret = 1;
for (u32 i = 0; (i < info.n_entries) && (ret == 0); i++) {
NcchInfoEntry entry;
if ((fvx_read(&fp_info, &entry, entry_size, &bt) != FR_OK) ||
(bt != entry_size)) ret = 1;
if (FixNcchInfoEntry(&entry, version) != 0) ret = 1;
if (ret != 0) break;
char dest[256]; // 256 is the maximum length of a full path
snprintf(dest, 256, "%s/%s", destdir, entry.filename);
if (fvx_open(&fp_xorpad, dest, FA_WRITE | FA_CREATE_ALWAYS) == FR_OK) {
if (!ShowProgress(0, 0, entry.filename)) ret = 1;
for (u64 p = 0; (p < entry.size_b) && (ret == 0); p += STD_BUFFER_SIZE) {
UINT create_bytes = min(STD_BUFFER_SIZE, entry.size_b - p);
if (BuildNcchInfoXorpad(buffer, &entry, create_bytes, p) != 0) ret = 1;
if (fvx_write(&fp_xorpad, buffer, create_bytes, &bt) != FR_OK) ret = 1;
if (!ShowProgress(p + create_bytes, entry.size_b, entry.filename)) ret = 1;
}
fvx_close(&fp_xorpad);
} else ret = 1;
if (ret != 0) f_unlink(dest); // get rid of the borked file
}
if (buffer) free(buffer);
fvx_close(&fp_info);
return ret;
}
u32 GetHealthAndSafetyPaths(const char* drv, char* path_cxi, char* path_bak) {
static const u32 tidlow_hs_o3ds[] = { 0x00020300, 0x00021300, 0x00022300, 0, 0x00026300, 0x00027300, 0x00028300 };
static const u32 tidlow_hs_n3ds[] = { 0x20020300, 0x20021300, 0x20022300, 0, 0, 0x20027300, 0 };
// get H&S title id low
u32 tidlow_hs = 0;
for (char secchar = 'C'; secchar >= 'A'; secchar--) {
char path_secinfo[32];
u8 secinfo[0x111];
u32 region = 0xFF;
UINT br;
snprintf(path_secinfo, 32, "%s/rw/sys/SecureInfo_%c", drv, secchar);
if ((fvx_qread(path_secinfo, secinfo, 0, 0x111, &br) != FR_OK) ||
(br != 0x111))
continue;
region = secinfo[0x100];
if (region >= sizeof(tidlow_hs_o3ds) / sizeof(u32)) continue;
tidlow_hs = (IS_O3DS) ?
tidlow_hs_o3ds[region] : tidlow_hs_n3ds[region];
break;
}
if (!tidlow_hs) return 1;
// build paths
if (path_cxi) *path_cxi = '\0';
if (path_bak) *path_bak = '\0';
TitleMetaData* tmd = (TitleMetaData*) malloc(TMD_SIZE_MAX);
TmdContentChunk* chunk = (TmdContentChunk*) (tmd + 1);
for (u32 i = 0; i < 8; i++) { // 8 is an arbitrary number
char path_tmd[64];
snprintf(path_tmd, 64, "%s/title/00040010/%08lx/content/%08lx.tmd", drv, tidlow_hs, i);
if (LoadTmdFile(tmd, path_tmd) != 0) continue;
if (!getbe16(tmd->content_count)) break;
if (path_cxi) snprintf(path_cxi, 64, "%s/title/00040010/%08lx/content/%08lx.app", drv, tidlow_hs, getbe32(chunk->id));
if (path_bak) snprintf(path_bak, 64, "%s/title/00040010/%08lx/content/%08lx.bak", drv, tidlow_hs, getbe32(chunk->id));
break;
}
free(tmd);
return ((path_cxi && !*path_cxi) || (path_bak && !*path_bak)) ? 1 : 0;
}
u32 CheckHealthAndSafetyInject(const char* hsdrv) {
char path_bak[64] = { 0 };
return ((GetHealthAndSafetyPaths(hsdrv, NULL, path_bak) == 0) &&
(f_stat(path_bak, NULL) == FR_OK)) ? 0 : 1;
}
u32 InjectHealthAndSafety(const char* path, const char* destdrv) {
NcchHeader ncch;
NcchExtHeader exthdr;
// write permissions
if (!CheckWritePermissions(destdrv))
return 1;
// legacy stuff - remove mark file
char path_mrk[32] = { 0 };
snprintf(path_mrk, 32, "%s/%s", destdrv, "__gm9_hsbak.pth");
f_unlink(path_mrk);
// get H&S paths
char path_cxi[64] = { 0 };
char path_bak[64] = { 0 };
if (GetHealthAndSafetyPaths(destdrv, path_cxi, path_bak) != 0) return 1;
if (!path) { // if path == NULL -> restore H&S from backup
if (f_stat(path_bak, NULL) != FR_OK) return 1;
f_unlink(path_cxi);
f_rename(path_bak, path_cxi);
return 0;
}
// check input file / crypto
if ((LoadNcchHeaders(&ncch, &exthdr, NULL, path, 0) != 0) ||
!(NCCH_IS_CXI(&ncch)) || (SetupNcchCrypto(&ncch, NCCH_NOCRYPTO) != 0))
return 1;
// check crypto, get sig
if ((LoadNcchHeaders(&ncch, &exthdr, NULL, path_cxi, 0) != 0) ||
(SetupNcchCrypto(&ncch, NCCH_NOCRYPTO) != 0) || !(NCCH_IS_CXI(&ncch)))
return 1;
u8 sig[0x100];
memcpy(sig, ncch.signature, 0x100);
u16 crypto = NCCH_GET_CRYPTO(&ncch);
u64 tid_hs = ncch.programId;
// make a backup copy if there is not already one (point of no return)
if (f_stat(path_bak, NULL) != FR_OK) {
if (f_rename(path_cxi, path_bak) != FR_OK) return 1;
} else f_unlink(path_cxi);
// copy / decrypt the source CXI
u32 ret = 0;
if (CryptNcchNcsdBossFirmFile(path, path_cxi, GAME_NCCH, CRYPTO_DECRYPT, 0, 0, NULL, NULL) != 0)
ret = 1;
// fix up the injected H&S NCCH header / extheader (copy H&S signature, title ID to multiple locations)
// also set savedata size to zero (thanks @TurdPooCharger)
if ((ret == 0) && (LoadNcchHeaders(&ncch, &exthdr, NULL, path_cxi, 0) == 0)) {
ncch.programId = tid_hs;
ncch.partitionId = tid_hs;
exthdr.jump_id = tid_hs;
exthdr.aci_title_id = tid_hs;
exthdr.aci_limit_title_id = tid_hs;
exthdr.savedata_size = 0;
memcpy(ncch.signature, sig, 0x100);
sha_quick(ncch.hash_exthdr, &exthdr, 0x400, SHA256_MODE);
if ((fvx_qwrite(path_cxi, &ncch, 0, sizeof(NcchHeader), NULL) != FR_OK) ||
(fvx_qwrite(path_cxi, &exthdr, NCCH_EXTHDR_OFFSET, sizeof(NcchExtHeader), NULL) != FR_OK))
ret = 1;
} else ret = 1;
// encrypt the CXI in place
if (CryptNcchNcsdBossFirmFile(path_cxi, path_cxi, GAME_NCCH, crypto, 0, 0, NULL, NULL) != 0)
ret = 1;
if (ret != 0) { // in case of failure: try recover
f_unlink(path_cxi);
f_rename(path_bak, path_cxi);
}
return ret;
}
u32 BuildTitleKeyInfo(const char* path, bool dec, bool dump) {
static TitleKeysInfo* tik_info = NULL;
const char* path_out = (dec) ? OUTPUT_PATH "/" TIKDB_NAME_DEC : OUTPUT_PATH "/" TIKDB_NAME_ENC;
const char* path_in = path;
// write permissions
if (!CheckWritePermissions(path_out))
return 1;
if (!path_in && !dump) { // no input path given - initialize
if (!tik_info) tik_info = (TitleKeysInfo*) malloc(STD_BUFFER_SIZE);
if (!tik_info) return 1;
memset(tik_info, 0, 16);
if ((fvx_stat(path_out, NULL) == FR_OK) &&
(ShowPrompt(true, "%s\nOutput file already exists.\nUpdate this?", path_out)))
path_in = path_out;
else return 0;
}
u64 filetype = path_in ? IdentifyFileType(path_in) : 0;
if (filetype & GAME_TICKET) {
TicketCommon ticket;
if ((fvx_qread(path_in, &ticket, 0, TICKET_COMMON_SIZE, NULL) != FR_OK) ||
(TIKDB_SIZE(tik_info) + 32 > STD_BUFFER_SIZE) ||
(AddTicketToInfo(tik_info, (Ticket*)&ticket, dec) != 0)) {
return 1;
}
} else if (filetype & SYS_TICKDB) {
if (!InitImgFS(path_in))
return 1;
DIR dir;
FILINFO fno;
TicketCommon ticket;
char tik_path[64];
if (fvx_opendir(&dir, "T:/eshop") != FR_OK) {
InitImgFS(NULL);
return 1;
}
while ((fvx_readdir(&dir, &fno) == FR_OK) && *(fno.fname)) {
snprintf(tik_path, 64, "T:/eshop/%s", fno.fname);
if (fvx_qread(tik_path, &ticket, 0, TICKET_COMMON_SIZE, NULL) != FR_OK)
continue;
if (TIKDB_SIZE(tik_info) + 32 > STD_BUFFER_SIZE) break; // no error message
AddTicketToInfo(tik_info, (Ticket*) &ticket, dec); // ignore result
}
fvx_closedir(&dir);
if (fvx_opendir(&dir, "T:/system") != FR_OK) {
InitImgFS(NULL);
return 1;
}
while ((fvx_readdir(&dir, &fno) == FR_OK) && *(fno.fname)) {
snprintf(tik_path, 64, "T:/system/%s", fno.fname);
if ((fvx_qread(tik_path, &ticket, 0, TICKET_COMMON_SIZE, NULL) != FR_OK) ||
(ValidateTicketSignature((Ticket*) &ticket) != 0))
continue;
if (TIKDB_SIZE(tik_info) + 32 > STD_BUFFER_SIZE) break; // no error message
AddTicketToInfo(tik_info, (Ticket*) &ticket, dec); // ignore result
}
fvx_closedir(&dir);
InitImgFS(NULL);
} else if (filetype & BIN_TIKDB) {
TitleKeysInfo* tik_info_merge = (TitleKeysInfo*) malloc(STD_BUFFER_SIZE);
if (!tik_info_merge) return 1;
UINT br;
if ((fvx_qread(path_in, tik_info_merge, 0, STD_BUFFER_SIZE, &br) != FR_OK) ||
(TIKDB_SIZE(tik_info_merge) != br)) {
free(tik_info_merge);
return 1;
}
// merge and rebuild TitleKeyInfo
u32 n_entries = tik_info_merge->n_entries;
TitleKeyEntry* tik = tik_info_merge->entries;
for (u32 i = 0; i < n_entries; i++, tik++) {
if (TIKDB_SIZE(tik_info) + 32 > STD_BUFFER_SIZE) break; // no error message
AddTitleKeyToInfo(tik_info, tik, !(filetype & FLAG_ENC), dec, false); // ignore result
}
free(tik_info_merge);
}
if (dump) {
u32 dump_size = TIKDB_SIZE(tik_info);
if (dump_size > 16) {
if (fvx_rmkdir(OUTPUT_PATH) != FR_OK) // ensure the output dir exists
return 1;
f_unlink(path_out);
if ((dump_size <= 16) || (fvx_qwrite(path_out, tik_info, 0, dump_size, NULL) != FR_OK))
return 1;
}
free(tik_info);
tik_info = NULL;
}
return 0;
}
u32 BuildSeedInfo(const char* path, bool dump) {
static SeedInfo* seed_info = NULL;
const char* path_out = OUTPUT_PATH "/" SEEDDB_NAME;
const char* path_in = path;
u32 inputtype = 0; // 0 -> none, 1 -> seeddb.bin, 2 -> seed system save
// write permissions
if (!CheckWritePermissions(path_out))
return 1;
if (!path_in && !dump) { // no input path given - initialize
if (!seed_info) seed_info = (SeedInfo*) malloc(STD_BUFFER_SIZE);
if (!seed_info) return 1;
memset(seed_info, 0, 16);
if ((fvx_stat(path_out, NULL) == FR_OK) &&
(ShowPrompt(true, "%s\nOutput file already exists.\nUpdate this?", path_out))) {
path_in = path_out;
inputtype = 1;
} else return 0;
}
// seed info has to be allocated at this point
if (!seed_info) return 1;
char path_str[128];
if (path_in && (strnlen(path_in, 16) == 2)) { // when only a drive is given...
// grab the key Y from movable.sed
u8 movable_keyy[16] __attribute__((aligned(4)));
snprintf(path_str, 128, "%s/private/movable.sed", path_in);
if (fvx_qread(path_str, movable_keyy, 0x110, 0x10, NULL) != FR_OK)
return 1;
// build the seed save path
u32 sha256sum[8];
sha_quick(sha256sum, movable_keyy, 0x10, SHA256_MODE);
snprintf(path_str, 128, "%s/data/%08lX%08lX%08lX%08lX/sysdata/0001000F/00000000",
path_in, sha256sum[0], sha256sum[1], sha256sum[2], sha256sum[3]);
path_in = path_str;
inputtype = 2;
}
if (inputtype == 1) { // seeddb.bin input
SeedInfo* seed_info_merge = (SeedInfo*) malloc(STD_BUFFER_SIZE);
if (!seed_info_merge) return 1;
UINT br;
if ((fvx_qread(path_in, seed_info_merge, 0, STD_BUFFER_SIZE, &br) != FR_OK) ||
(SEEDDB_SIZE(seed_info_merge) != br)) {
free(seed_info_merge);
return 1;
}
// merge and rebuild SeedInfo
u32 n_entries = seed_info_merge->n_entries;
SeedInfoEntry* seed = seed_info_merge->entries;
for (u32 i = 0; i < n_entries; i++, seed++) {
if (SEEDDB_SIZE(seed_info) + 32 > STD_BUFFER_SIZE) break; // no error message
AddSeedToDb(seed_info, seed); // ignore result
}
free(seed_info_merge);
} else if (inputtype == 2) { // seed system save input
u8* seedsave = (u8*) malloc(SEEDSAVE_AREA_SIZE);
if (!seedsave) return 1;
if (ReadDisaDiffIvfcLvl4(path_in, NULL, SEEDSAVE_AREA_OFFSET, SEEDSAVE_AREA_SIZE, seedsave) != SEEDSAVE_AREA_SIZE) {
free(seedsave);
return 1;
}
SeedInfoEntry seed = { 0 };
for (u32 s = 0; s < SEEDSAVE_MAX_ENTRIES; s++) {
seed.titleId = getle64(seedsave + (s*8));
memcpy(seed.seed, seedsave + (SEEDSAVE_MAX_ENTRIES*8) + (s*16), 16);
if (((seed.titleId >> 32) != 0x00040000) ||
(!getle64(seed.seed) && !getle64(seed.seed + 8))) continue;
if (SEEDDB_SIZE(seed_info) + 32 > STD_BUFFER_SIZE) break; // no error message
AddSeedToDb(seed_info, &seed); // ignore result
}
free(seedsave);
}
if (dump) {
u32 dump_size = SEEDDB_SIZE(seed_info);
u32 ret = 0;
if (dump_size > 16) {
if (fvx_rmkdir(OUTPUT_PATH) != FR_OK) // ensure the output dir exists
ret = 1;
f_unlink(path_out);
if (fvx_qwrite(path_out, seed_info, 0, dump_size, NULL) != FR_OK)
ret = 1;
} else ret = 1;
free(seed_info);
seed_info = NULL;
return ret;
}
return 0;
}
u32 LoadNcchFromGameFile(const char* path, NcchHeader* ncch) {
u64 filetype = IdentifyFileType(path);
if (filetype & GAME_NCCH) {
if ((fvx_qread(path, ncch, 0, sizeof(NcchHeader), NULL) == FR_OK) &&
(ValidateNcchHeader(ncch) == 0)) return 0;
} else if (filetype & GAME_NCSD) {
if ((fvx_qread(path, ncch, NCSD_CNT0_OFFSET, sizeof(NcchHeader), NULL) == FR_OK) &&
(ValidateNcchHeader(ncch) == 0)) return 0;
} else if (filetype & GAME_CIA) {
CiaStub* cia = (CiaStub*) malloc(sizeof(CiaStub));
CiaInfo info;
// load CIA stub from path
if ((LoadCiaStub(cia, path) != 0) ||
(GetCiaInfo(&info, &(cia->header)) != 0)) {
free(cia);
return 1;
}
// decrypt / load NCCH header from first CIA content
u32 ret = 1;
if (getbe16(cia->tmd.content_count)) {
TmdContentChunk* chunk = cia->content_list;
if ((getbe64(chunk->size) < sizeof(NcchHeader)) ||
(fvx_qread(path, ncch, info.offset_content, sizeof(NcchHeader), NULL) != FR_OK)) {
free(cia);
return 1;
}
if (getbe16(chunk->type) & 0x1) { // decrypt first content header
u8 titlekey[16];
u8 ctr[16];
GetTmdCtr(ctr, chunk);
if (GetTitleKey(titlekey, (Ticket*)&(cia->ticket)) != 0) {
free(cia);
return 1;
}
DecryptCiaContentSequential((void*) ncch, sizeof(NcchHeader), ctr, titlekey);
}
if (ValidateNcchHeader(ncch) == 0) ret = 0;
}
free(cia);
return ret;
}
return 1;
}
u32 GetGoodName(char* name, const char* path, bool quick) {
// name should be 128+1 byte
// name scheme (CTR+SMDH): <title_id> <title_name> (<product_code>) (<region>).<extension>
// name scheme (CTR): <title_id> (<product_code>).<extension>
// name scheme (NTR+ICON): <title_name> (<product_code>).<extension>
// name scheme (TWL+ICON): <title_id> <title_name> (<product_code>) (<DSi unitcode>) (<region>).<extension>
// name scheme (NTR): <name_short> (<product_code>).<extension>
// name scheme (TWL): <title_id> (<product_code>).<extension>
// name scheme (AGB): <name_short> (<product_code>).<extension>
const char* path_donor = path;
u64 type_donor = IdentifyFileType(path);
char* ext =
(type_donor & GAME_CIA) ? "cia" :
(type_donor & GAME_NCSD) ? "3ds" :
(type_donor & GAME_NCCH) ? ((type_donor & FLAG_CXI) ? "cxi" : "cfa") :
(type_donor & GAME_NDS) ? "nds" :
(type_donor & GAME_GBA) ? "gba" :
(type_donor & GAME_TMD) ? "tmd" :
(type_donor & GAME_TIE) ? "tie" : "";
if (!*ext) return 1;
char appid_str[1 + 8 + 1] = { 0 }; // handling for NCCH / NDS in "?:/title" paths
if ((type_donor & (GAME_NCCH|GAME_NDS)) && (strncmp(path + 1, ":/title/", 8) == 0)) {
char* name = strrchr(path, '/');
if (name && (strnlen(++name, 16) >= 8))
*appid_str = '.';
strncpy(appid_str + 1, name, 8);
}
char path_content[256];
if (type_donor & GAME_TMD) {
if (GetTmdContentPath(path_content, path) != 0) return 1;
path_donor = path_content;
type_donor = IdentifyFileType(path_donor);
} else if (type_donor & GAME_TIE) {
if (GetTieContentPath(path_content, path) != 0) return 1;
path_donor = path_content;
type_donor = IdentifyFileType(path_donor);
}
if (type_donor & GAME_GBA) { // AGB
AgbHeader agb;
if (fvx_qread(path_donor, &agb, 0, sizeof(AgbHeader), NULL) != FR_OK) return 1;
snprintf(name, 128, "%.12s (AGB-%.4s).%s", agb.game_title, agb.game_code, ext);
} else if (type_donor & GAME_NDS) { // NTR or TWL
TwlHeader twl;
TwlIconData icon;
if (LoadTwlMetaData(path_donor, &twl, quick ? NULL : &icon) != 0) return 1;
if (quick) {
if (twl.unit_code & 0x02) { // TWL
snprintf(name, 128, "%016llX (TWL-%.4s).%s", twl.title_id, twl.game_code, ext);
} else { // NTR
snprintf(name, 128, "%.12s (NTR-%.4s).%s", twl.game_title, twl.game_code, ext);
}
} else {
char title_name[0x80+1] = { 0 };
if (GetTwlTitle(title_name, &icon) != 0) return 1;
char* linebrk = strchr(title_name, '\n');
if (linebrk) *linebrk = '\0';
if (twl.unit_code & 0x02) { // TWL
char region[8] = { 0 };
if (twl.region_flags == TWL_REGION_FREE) snprintf(region, 8, "W");
snprintf(region, 8, "%s%s%s%s%s",
(twl.region_flags & REGION_MASK_JPN) ? "J" : "",
(twl.region_flags & REGION_MASK_USA) ? "U" : "",
(twl.region_flags & REGION_MASK_EUR) ? "E" : "",
(twl.region_flags & REGION_MASK_CHN) ? "C" : "",
(twl.region_flags & REGION_MASK_KOR) ? "K" : "");
if (strncmp(region, "JUECK", 8) == 0) snprintf(region, 8, "W");
if (!*region) snprintf(region, 8, "UNK");
char* unit_str = (twl.unit_code == TWL_UNITCODE_TWLNTR) ? "DSi Enhanced" : "DSi Exclusive";
snprintf(name, 128, "%016llX %s (TWL-%.4s) (%s) (%s).%s",
twl.title_id, title_name, twl.game_code, unit_str, region, ext);
} else { // NTR
snprintf(name, 128, "%s (NTR-%.4s).%s", title_name, twl.game_code, ext);
}
}
} else if (type_donor & (GAME_CIA|GAME_NCSD|GAME_NCCH)) { // CTR (data from NCCH)
NcchHeader ncch;
Smdh smdh; // pretty big for the stack, but should be okay here
if (LoadNcchFromGameFile(path_donor, &ncch) != 0) return 1;
if (quick || (LoadSmdhFromGameFile(path_donor, &smdh) != 0)) {
snprintf(name, 128, "%016llX%s (%.16s).%s", ncch.programId, appid_str, ncch.productcode, ext);
} else {
char title_name[0x40+1] = { 0 };
if (GetSmdhDescShort(title_name, &smdh) != 0) return 1;
char region[8] = { 0 };
if (smdh.region_lockout == SMDH_REGION_FREE) snprintf(region, 8, "W");
else snprintf(region, 8, "%s%s%s%s%s%s",
(smdh.region_lockout & REGION_MASK_JPN) ? "J" : "",
(smdh.region_lockout & REGION_MASK_USA) ? "U" : "",
(smdh.region_lockout & REGION_MASK_EUR) ? "E" : "",
(smdh.region_lockout & REGION_MASK_CHN) ? "C" : "",
(smdh.region_lockout & REGION_MASK_KOR) ? "K" : "",
(smdh.region_lockout & REGION_MASK_TWN) ? "T" : "");
if (strncmp(region, "JUECKT", 8) == 0) snprintf(region, 8, "W");
if (!*region) snprintf(region, 8, "UNK");
snprintf(name, 128, "%016llX%s %s (%.16s) (%s).%s",
ncch.programId, appid_str, title_name, ncch.productcode, region, ext);
}
} else return 1;
// remove illegal chars from filename
for (char* c = name; *c; c++) {
if ((*c == ':') || (*c == '/') || (*c == '\\') || (*c == '"') ||
(*c == '*') || (*c == '?') || (*c == '\n') || (*c == '\r'))
*c = ' ';
}
// remove double spaces from filename
char* s = name;
for (char* c = name; *s; c++, s++) {
while ((*c == ' ') && (*(c+1) == ' ')) c++;
*s = *c;
}
return 0;
}
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