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Fix verification and decrypt for incomplete DLC CIAs

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This commit is contained in:
d0k3 2018-08-10 14:59:23 +02:00
parent e75c25e41d
commit 9467bd6050
1 changed files with 6 additions and 0 deletions
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6
arm9/source/utils/gameutil.c
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@ -442,8 +442,11 @@ u32 VerifyCiaFile(const char* path) {
// 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);
@ -890,9 +893,12 @@ u32 CryptCiaFile(const char* orig, const char* dest, u16 crypto) {
// 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;