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Allow alternative filenames for NUS / CDN content

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This commit is contained in:
d0k3 2017-02-10 16:12:00 +01:00
parent 58eaffc577
commit 0d36f497b2
3 changed files with 34 additions and 26 deletions
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2
source/common/common.h
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@ -38,7 +38,7 @@
(((v) % (a)) ? ((v) + (a) - ((v) % (a))) : (v))
// GodMode9 version
#define VERSION "0.9.8"
#define VERSION "0.9.9"
// input / output paths
#define INPUT_PATHS "0:", "0:/files9", "1:/rw/files9"

10
source/fs/filetype.c
View File

@ -69,10 +69,16 @@ u32 IdentifyFileType(const char* path) {
strncpy(path_cdn, path, 256);
strncpy(name_cdn, "tmd", 4);
if (FileGetSize(path_cdn) > 0)
return GAME_NUSCDN;
return GAME_NUSCDN; // NUS/CDN type 1
strncpy(name_cdn, "cetk", 5);
if (FileGetSize(path_cdn) > 0)
return GAME_NUSCDN;
return GAME_NUSCDN; // NUS/CDN type 1
} else if (ext && ((strncasecmp(ext, "cdn", 4) == 0) || (strncasecmp(ext, "nus", 4) == 0))) {
char path_cetk[256];
char* ext_cetk = path_cetk + (ext - path);
strncpy(ext_cetk, "cetk", 5);
if (FileGetSize(path_cetk) > 0)
return GAME_NUSCDN; // NUS/CDN type 2
#if PAYLOAD_MAX_SIZE <= TEMP_BUFFER_SIZE
} else if ((fsize <= PAYLOAD_MAX_SIZE) && ext && (strncasecmp(ext, "bin", 4) == 0)) {
return BIN_LAUNCH; // assume it's an ARM9 payload

34
source/game/gameutil.c
View File

@ -232,15 +232,15 @@ u32 LoadTmdFile(TitleMetaData* tmd, const char* path) {
return 0;
}
u32 LoadCdnTicketFile(Ticket* ticket, const char* path) {
// path may be to any file in dir
u32 LoadCdnTicketFile(Ticket* ticket, const char* path_cnt) {
// path points to CDN content file
char path_cetk[256];
char* name_cetk;
strncpy(path_cetk, path, 256);
name_cetk = strrchr(path_cetk, '/');
strncpy(path_cetk, path_cnt, 256);
char* name_cetk = strrchr(path_cetk, '/');
if (!name_cetk) return 1; // will not happen
name_cetk++;
snprintf(name_cetk, 256 - (name_cetk - path_cetk), "cetk");
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
UINT br;
@ -929,10 +929,16 @@ u32 CryptCdnFile(const char* orig, const char* dest, u16 crypto) {
TmdContentChunk* content_list = (TmdContentChunk*) (tmd + 1);
Ticket* ticket = (Ticket*) (TEMP_BUFFER + TMD_SIZE_MAX);
u8 titlekey[0x10] = { 0xFF };
u32 cnt_id;
// 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);
name_tmd = strrchr(path_tmd, '/');
@ -940,6 +946,7 @@ u32 CryptCdnFile(const char* orig, const char* dest, u16 crypto) {
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
if (LoadCdnTicketFile(ticket, orig) != 0) {
@ -951,13 +958,6 @@ u32 CryptCdnFile(const char* orig, const char* dest, u16 crypto) {
if (GetTitleKey(titlekey, ticket) != 0)
return 1;
// get content id
char* fname;
fname = strrchr(orig, '/');
if (!fname) return 1; // will not happen
if (sscanf(++fname, "%08lx", &cnt_id) != 1)
return 1; // this won't either
// find (build fake) content chunk
TmdContentChunk* chunk = NULL;
if (!tmd) {
@ -966,9 +966,11 @@ u32 CryptCdnFile(const char* orig, const char* dest, u16 crypto) {
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) == cnt_id) break;
if (getbe32(chunk->id) == content_id) break;
chunk = NULL;
}
if (!chunk || !(getbe16(chunk->type) & 0x01)) return 1;