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nca: SparseInfo support (part 2).

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Handle the has_sparse_flag wherever needed.
This commit is contained in:
Pablo Curiel 2022-03-21 03:19:39 +01:00
parent 8d8f19b229
commit e0cf57d8a5
4 changed files with 7 additions and 7 deletions
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2
include/core/nca.h
View file

@ -450,7 +450,7 @@ bool ncaReadAesCtrExStorageFromBktrSection(NcaFsSectionContext *ctx, void *out,
/// Input offset must be relative to the start of the NCA FS section.
/// Output size and offset are guaranteed to be aligned to the AES sector size used by the encryption type from the FS section.
/// Output offset is relative to the start of the NCA content file, making it easier to use the output encrypted block to seamlessly replace data while dumping a NCA.
/// This function isn't compatible with Patch RomFS sections.
/// This function doesn't support Patch RomFS sections, nor sections with Sparse and/or Compressed storage.
/// Used internally by both ncaGenerateHierarchicalSha256Patch() and ncaGenerateHierarchicalIntegrityPatch().
void *ncaGenerateEncryptedFsSectionBlock(NcaFsSectionContext *ctx, const void *data, u64 data_size, u64 data_offset, u64 *out_block_size, u64 *out_block_offset);

8
source/core/nca.c
View file

@ -390,8 +390,8 @@ bool ncaGenerateHierarchicalIntegrityPatch(NcaFsSectionContext *ctx, const void
void ncaWriteHierarchicalIntegrityPatchToMemoryBuffer(NcaContext *ctx, NcaHierarchicalIntegrityPatch *patch, void *buf, u64 buf_size, u64 buf_offset)
{
if (!ctx || !*(ctx->content_id_str) || ctx->content_size < NCA_FULL_HEADER_LENGTH || !patch || patch->written || memcmp(patch->content_id.c, ctx->content_id.c, 0x10) != 0 || !buf || !buf_size || \
(buf_offset + buf_size) > ctx->content_size) return;
if (!ctx || !*(ctx->content_id_str) || ctx->content_size < NCA_FULL_HEADER_LENGTH || !patch || patch->written || memcmp(patch->content_id.c, ctx->content_id.c, 0x10) != 0 || \
!buf || !buf_size || (buf_offset + buf_size) > ctx->content_size) return;
patch->written = true;
@ -1026,7 +1026,7 @@ static bool ncaGenerateHashDataPatch(NcaFsSectionContext *ctx, const void *data,
bool success = false;
if (!ctx || !ctx->enabled || !(nca_ctx = (NcaContext*)ctx->nca_ctx) || (!is_integrity_patch && (ctx->header.hash_type != NcaHashType_HierarchicalSha256 || \
if (!ctx || !ctx->enabled || ctx->has_sparse_layer || !(nca_ctx = (NcaContext*)ctx->nca_ctx) || (!is_integrity_patch && (ctx->header.hash_type != NcaHashType_HierarchicalSha256 || \
!ctx->header.hash_data.hierarchical_sha256_data.hash_block_size || !(layer_count = ctx->header.hash_data.hierarchical_sha256_data.hash_region_count) || \
layer_count > NCA_HIERARCHICAL_SHA256_MAX_REGION_COUNT || !(last_layer_size = ctx->header.hash_data.hierarchical_sha256_data.hash_region[layer_count - 1].size))) || \
(is_integrity_patch && (ctx->header.hash_type != NcaHashType_HierarchicalIntegrity || \
@ -1251,7 +1251,7 @@ static void *_ncaGenerateEncryptedFsSectionBlock(NcaFsSectionContext *ctx, const
u8 *out = NULL;
bool success = false;
if (!g_ncaCryptoBuffer || !ctx || !ctx->enabled || !ctx->nca_ctx || ctx->section_num >= NCA_FS_HEADER_COUNT || ctx->section_offset < sizeof(NcaHeader) || \
if (!g_ncaCryptoBuffer || !ctx || !ctx->enabled || ctx->has_sparse_layer || !ctx->nca_ctx || ctx->section_num >= NCA_FS_HEADER_COUNT || ctx->section_offset < sizeof(NcaHeader) || \
ctx->section_type >= NcaFsSectionType_Invalid || ctx->encryption_type == NcaEncryptionType_Auto || ctx->encryption_type >= NcaEncryptionType_AesCtrEx || !data || !data_size || \
(data_offset + data_size) > ctx->section_size || !out_block_size || !out_block_offset)
{

2
source/core/pfs.c
View file

@ -51,7 +51,7 @@ bool pfsInitializeContext(PartitionFileSystemContext *out, NcaFsSectionContext *
/* Fill context. */
out->nca_fs_ctx = nca_fs_ctx;
if (!ncaValidateHierarchicalSha256Offsets(&(nca_fs_ctx->header.hash_data.hierarchical_sha256_data), nca_fs_ctx->section_size))
if (!nca_fs_ctx->has_sparse_layer && !ncaValidateHierarchicalSha256Offsets(&(nca_fs_ctx->header.hash_data.hierarchical_sha256_data), nca_fs_ctx->section_size))
{
LOG_MSG("Invalid HierarchicalSha256 block!");
goto end;

2
source/core/romfs.c
View file

@ -65,7 +65,7 @@ bool romfsInitializeContext(RomFileSystemContext *out, NcaFsSectionContext *nca_
out->offset = hash_region->offset;
out->size = hash_region->size;
} else {
if (!ncaValidateHierarchicalIntegrityOffsets(&(nca_fs_ctx->header.hash_data.integrity_meta_info), nca_fs_ctx->section_size))
if (!nca_fs_ctx->has_sparse_layer && !ncaValidateHierarchicalIntegrityOffsets(&(nca_fs_ctx->header.hash_data.integrity_meta_info), nca_fs_ctx->section_size))
{
LOG_MSG("Invalid HierarchicalIntegrity block!");
goto end;