mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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BKTR rewrite part 3: finish BucketTreeVisitor.
Also fixed lots of storage table read bugs. bktrReadIndirectStorage() is still incomplete -- check TODOs.
This commit is contained in:
Pablo Curiel
parent
7c38b6847d
commit
a427759dd1
4 changed files with 372 additions and 72 deletions
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@ -147,13 +147,14 @@ typedef enum {
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typedef struct {
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NcaFsSectionContext *nca_fs_ctx; ///< NCA FS section context. Used to perform operations on the target NCA.
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NcaBucketInfo bucket; ///< Bucket info used to initialize this context.
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u8 storage_type; ///< BucketTreeStorageType.
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BucketTreeTable *storage_table; ///< Pointer to the dynamically allocated Bucket Tree Table for this storage.
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u64 node_size; ///< Node size for this type of Bucket Tree storage.
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u64 entry_size; ///< Size of each individual entry within BucketTreeEntryNode.
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u32 offset_count; ///< Number of offsets available within each BucketTreeOffsetNode for this storage.
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u32 entry_set_count; ///< Number of BucketTreeEntryNode elements available in this storage.
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u64 node_storage_size; ///< Offset node segment size within 'storage_table'.
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u64 entry_storage_size; ///< Entry node segment size within 'storage_table'.
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u64 start_offset; ///< Virtual storage start offset.
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u64 end_offset; ///< Virtual storage end offset.
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@ -179,7 +180,7 @@ NX_INLINE void bktrFreeContext(BucketTreeContext *ctx)
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NX_INLINE bool bktrIsValidContext(BucketTreeContext *ctx)
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{
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return (ctx && ctx->nca_fs_ctx && ctx->storage_type < BucketTreeStorageType_Count && ctx->storage_table && ctx->node_size && ctx->entry_size && ctx->offset_count && \
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ctx->entry_set_count && ctx->end_offset > ctx->start_offset);
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ctx->entry_set_count && ctx->node_storage_size && ctx->entry_storage_size && ctx->end_offset > ctx->start_offset);
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}
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NX_INLINE bool bktrIsOffsetWithinStorageRange(BucketTreeContext *ctx, u64 offset)
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@ -373,6 +373,18 @@ typedef struct {
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u8 encryption_type; ///< NcaEncryptionType.
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u8 section_type; ///< NcaFsSectionType.
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///< PatchInfo-related fields.
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bool has_patch_indirect_layer; ///< Set to true if this NCA FS section has an Indirect patch layer.
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bool has_patch_aes_ctr_ex_layer; ///< Set to true if this NCA FS section has an AesCtrEx patch layer.
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///< SparseInfo-related fields.
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bool has_sparse_layer; ///< Set to true if this NCA FS section has a sparse layer.
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u64 sparse_table_offset; ///< header.sparse_info.physical_offset + header.sparse_info.bucket.offset. Relative to the start of the NCA content file. Placed here for convenience.
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///< CompressionInfo-related fields.
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bool has_compression_layer; ///< Set to true if this NCA FS section has a compression layer.
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u64 compression_table_offset; ///< hash_target_offset + header.compression_info.bucket.offset. Relative to the start of the FS section. Placed here for convenience.
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///< Hash-layer-related fields.
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bool skip_hash_layer_crypto; ///< Set to true if hash layer crypto should be skipped while reading section data.
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NcaRegion hash_region; ///< Holds the properties for the full hash layer region that precedes the actual FS section data.
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@ -383,14 +395,6 @@ typedef struct {
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Aes128XtsContext xts_decrypt_ctx; ///< Used internally by NCA functions to perform AES-128-XTS decryption.
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Aes128XtsContext xts_encrypt_ctx; ///< Used internally by NCA functions to perform AES-128-XTS encryption.
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///< SparseInfo-related fields.
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bool has_sparse_layer; ///< Set to true if this NCA FS section has a sparse layer.
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u64 sparse_table_offset; ///< header.sparse_info.physical_offset + header.sparse_info.bucket.offset. Relative to the start of the NCA content file. Placed here for convenience.
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///< CompressionInfo-related fields.
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bool has_compression_layer; ///< Set to true if this NCA FS section has a compression layer.
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u64 compression_table_offset; ///< hash_target_offset + header.compression_info.bucket.offset. Relative to the start of the FS section. Placed here for convenience.
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///< NSP-related fields.
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bool header_written; ///< Set to true after this FS section header has been written to an output dump.
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} NcaFsSectionContext;
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@ -23,6 +23,7 @@
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#include "nxdt_utils.h"
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#include "bktr.h"
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#include "aes.h"
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#include "lz4.h"
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/* Type definitions. */
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@ -37,9 +38,16 @@ typedef struct {
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u32 index;
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} BucketTreeStorageNode;
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typedef struct {
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BucketTreeNodeHeader header;
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u64 start;
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} BucketTreeEntrySetHeader;
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NXDT_ASSERT(BucketTreeEntrySetHeader, BKTR_NODE_HEADER_SIZE + 0x8);
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typedef struct {
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BucketTreeContext *bktr_ctx;
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BucketTreeNodeHeader entry_set;
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BucketTreeEntrySetHeader entry_set;
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u32 entry_index;
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void *entry;
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} BucketTreeVisitor;
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@ -58,10 +66,15 @@ static const char *g_bktrStorageTypeNames[] = {
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static const char *bktrGetStorageTypeName(u8 storage_type);
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static bool bktrInitializeIndirectStorageContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx, bool is_sparse);
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static bool bktrInitializeAesCtrExStorageContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx);
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static bool bktrInitializeCompressedStorageContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx);
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static bool bktrReadIndirectStorage(BucketTreeVisitor *visitor, void *out, u64 read_size, u64 offset);
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static bool bktrVerifyBucketInfo(NcaBucketInfo *bucket, u64 node_size, u64 entry_size);
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static bool bktrInitializeAesCtrExStorageContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx);
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static bool bktrReadAesCtrExStorage(BucketTreeVisitor *visitor, void *out, u64 read_size, u64 offset);
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static bool bktrInitializeCompressedStorageContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx);
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static bool bktrReadCompressedStorage(BucketTreeVisitor *visitor, void *out, u64 read_size, u64 offset);
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static bool bktrVerifyBucketInfo(NcaBucketInfo *bucket, u64 node_size, u64 entry_size, u64 *out_node_storage_size, u64 *out_entry_storage_size);
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static bool bktrValidateTableOffsetNode(const BucketTreeTable *table, u64 node_size, u64 entry_size, u32 entry_count, u64 *out_start_offset, u64 *out_end_offset);
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NX_INLINE bool bktrVerifyNodeHeader(const BucketTreeNodeHeader *node_header, u32 node_index, u64 node_size, u64 entry_size);
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@ -79,8 +92,8 @@ NX_INLINE const u64 *bktrGetOffsetNodeBegin(const BucketTreeOffsetNode *offset_n
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NX_INLINE const u64 *bktrGetOffsetNodeEnd(const BucketTreeOffsetNode *offset_node);
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static bool bktrFindStorageEntry(BucketTreeContext *ctx, u64 virtual_offset, BucketTreeVisitor *out_visitor);
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static bool bktrGetTreeNodeEntryIndex(const u64 *start, const u64 *end, u64 virtual_offset, u32 *out_index);
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static bool bktrGetEntryNodeEntryIndex(const BucketTreeNodeHeader *node_header, u64 node_offset, u64 entry_size, u64 virtual_offset, u32 *out_index);
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static bool bktrGetTreeNodeEntryIndex(const u64 *start_ptr, const u64 *end_ptr, u64 virtual_offset, u32 *out_index);
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static bool bktrGetEntryNodeEntryIndex(const BucketTreeNodeHeader *node_header, u64 entry_size, u64 virtual_offset, u32 *out_index);
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static bool bktrFindEntrySet(u32 *out_index, u64 virtual_offset, u32 node_index);
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static const BucketTreeNodeHeader *bktrGetTreeNodeHeader(BucketTreeContext *ctx, u32 node_index);
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@ -88,16 +101,25 @@ NX_INLINE u32 bktrGetEntrySetIndex(BucketTreeContext *ctx, u32 node_index, u32 o
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static bool bktrFindEntry(BucketTreeContext *ctx, BucketTreeVisitor *out_visitor, u64 virtual_offset, u32 entry_set_index);
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static const BucketTreeNodeHeader *bktrGetEntryNodeHeader(BucketTreeContext *ctx, u32 entry_set_index);
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NX_INLINE u64 bktrGetEntryNodeEntryOffset(u64 entry_set_offset, u64 entry_size, u32 entry_index);
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NX_INLINE u64 bktrGetEntryNodeEntryOffsetByIndex(u32 entry_set_index, u64 node_size, u64 entry_size, u32 entry_index);
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NX_INLINE bool bktrIsExistL2(BucketTreeContext *ctx);
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NX_INLINE bool bktrIsExistOffsetL2OnL1(BucketTreeContext *ctx);
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static void bktrInitializeStorageNode(BucketTreeStorageNode *out, u64 node_offset, u64 entry_size, u32 entry_count);
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static void bktrInitializeStorageNode(BucketTreeStorageNode *out, u64 entry_size, u32 entry_count);
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static void bktrStorageNodeFind(BucketTreeStorageNode *storage_node, const BucketTreeNodeHeader *node_header, u64 virtual_offset);
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NX_INLINE BucketTreeStorageNodeOffset bktrStorageNodeOffsetAdd(BucketTreeStorageNodeOffset *ofs, u64 value);
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NX_INLINE u64 bktrStorageNodeOffsetSubstract(BucketTreeStorageNodeOffset *ofs1, BucketTreeStorageNodeOffset *ofs2);
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NX_INLINE bool bktrVisitorIsValid(BucketTreeVisitor *visitor);
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NX_INLINE bool bktrVisitorCanMoveNext(BucketTreeVisitor *visitor);
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NX_INLINE bool bktrVisitorCanMovePrevious(BucketTreeVisitor *visitor);
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static bool bktrVisitorMoveNext(BucketTreeVisitor *visitor);
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static bool bktrVisitorMovePrevious(BucketTreeVisitor *visitor);
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bool bktrInitializeContext(BucketTreeContext *out, NcaFsSectionContext *nca_fs_ctx, u8 storage_type)
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{
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NcaContext *nca_ctx = NULL;
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@ -160,13 +182,13 @@ bool bktrReadStorage(BucketTreeContext *ctx, void *out, u64 read_size, u64 offse
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{
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case BucketTreeStorageType_Indirect:
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case BucketTreeStorageType_Sparse:
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success = bktrReadIndirectStorage(&visitor, read_size, offset);
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success = bktrReadIndirectStorage(&visitor, out, read_size, offset);
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break;
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case BucketTreeStorageType_AesCtrEx:
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success = bktrReadAesCtrExStorage(&visitor, read_size, offset);
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success = bktrReadAesCtrExStorage(&visitor, out, read_size, offset);
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break;
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case BucketTreeStorageType_Compressed:
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success = bktrReadCompressedStorage(&visitor, read_size, offset);
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success = bktrReadCompressedStorage(&visitor, out, read_size, offset);
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break;
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default:
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break;
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@ -182,29 +204,125 @@ end:
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static bool bktrReadIndirectStorage(BucketTreeVisitor *visitor, u64 read_size, u64 offset)
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static bool bktrReadIndirectStorage(BucketTreeVisitor *visitor, void *out, u64 read_size, u64 offset)
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{
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BucketTreeContext *ctx = visitor->bktr_ctx;
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NcaFsSectionContext *nca_fs_ctx = ctx->nca_fs_ctx;
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bool is_sparse = (ctx->storage_type == BucketTreeStorageType_Sparse);
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BucketTreeIndirectStorageEntry *entry = (BucketTreeIndirectStorageEntry*)visitor->entry;
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/* Validate Indirect Storage entry. */
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if (!bktrIsOffsetWithinStorageRange(entry->virtual_offset) || (nca_fs_ctx->section_offset + entry->physical_offset) >= nca_fs_ctx->section_size)
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if (!bktrVisitorIsValid(visitor) || !out)
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{
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LOG_MSG("Invalid Indirect Storage entry! (0x%lX, 0x%lX).", entry->virtual_offset, entry->physical_offset);
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LOG_MSG("Invalid parameters!");
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return false;
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}
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/* Prepare to operate in chunks. */
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BucketTreeContext *ctx = visitor->bktr_ctx;
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NcaFsSectionContext *nca_fs_ctx = ctx->nca_fs_ctx;
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bool is_sparse = (ctx->storage_type == BucketTreeStorageType_Sparse);
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BucketTreeIndirectStorageEntry cur_entry = {0};
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memcpy(&cur_entry, visitor->entry, sizeof(BucketTreeIndirectStorageEntry));
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// TODO: ADD BASE STORAGE CHECK IF NOT SPARSE
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/* Validate Indirect Storage entry. */
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if (!bktrIsOffsetWithinStorageRange(ctx, cur_entry.virtual_offset) || cur_entry.virtual_offset > offset || cur_entry.storage_index > BucketTreeIndirectStorageIndex_Patch)
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{
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LOG_MSG("Invalid Indirect Storage entry! (0x%lX) (#1).", cur_entry.virtual_offset);
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return false;
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}
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u64 cur_entry_offset = cur_entry.virtual_offset, next_entry_offset = 0;
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bool moved = false, success = false;
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/* Check if we can retrieve the next entry. */
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if (bktrVisitorCanMoveNext(visitor))
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{
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/* Retrieve the next entry. */
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if (!bktrVisitorMoveNext(visitor))
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{
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LOG_MSG("Failed to retrieve next Indirect Storage entry!");
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goto end;
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}
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/* Validate Indirect Storage entry. */
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BucketTreeIndirectStorageEntry *next_entry = (BucketTreeIndirectStorageEntry*)visitor->entry;
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if (!bktrIsOffsetWithinStorageRange(ctx, next_entry->virtual_offset) || next_entry->storage_index > BucketTreeIndirectStorageIndex_Patch)
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{
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LOG_MSG("Invalid Indirect Storage entry! (0x%lX) (#2).", next_entry->virtual_offset);
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goto end;
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}
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/* Store next entry's virtual offset. */
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next_entry_offset = next_entry->virtual_offset;
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/* Update variable. */
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moved = true;
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} else {
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/* Set the next entry offset to the storage's end. */
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next_entry_offset = ctx->end_offset;
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}
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/* Verify next entry offset. */
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if (next_entry_offset <= cur_entry_offset || offset >= next_entry_offset)
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{
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LOG_MSG("Invalid virtual offset for the Indirect Storage's next entry! (0x%lX).", next_entry_offset);
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goto end;
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}
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/* Verify read area size. */
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if ((offset + read_size) > ctx->end_offset)
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{
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LOG_MSG("Error: read area exceeds Indirect Storage size!");
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goto end;
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}
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/* Perform read operation. */
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const u64 data_offset = (offset - cur_entry_offset + cur_entry.physical_offset);
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if ((offset + read_size) <= next_entry_offset)
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{
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/* Read only within the current indirect storage entry. */
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if (cur_entry.storage_index == BucketTreeIndirectStorageIndex_Original)
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{
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/* Retrieve data from the original data storage. */
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// TODO: SET ORIGINAL DATA STORAGE
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} else {
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if (!is_sparse)
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{
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/* Retrieve data from the indirect data storage. */
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// TODO: SET INDIRECT DATA STORAGE
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} else {
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/* Fill output buffer with zeroes (SparseStorage's ZeroStorage). */
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memset(0, out, read_size);
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success = true;
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}
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}
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} else {
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/* Handle reads that span multiple indirect storage entries. */
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if (moved) bktrVisitorMovePrevious(visitor);
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const u64 indirect_block_size = (next_entry_offset - offset);
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success = (bktrReadIndirectStorage(visitor, out, indirect_block_size, offset) && \
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bktrReadIndirectStorage(visitor, (u8*)out + indirect_block_size, read_size - indirect_block_size, offset + indirect_block_size));
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if (!success) LOG_MSG("Failed to read 0x%lX bytes block from multiple Indirect Storage entries at offset 0x%lX!", read_size, offset);
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}
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end:
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return success;
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}
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@ -279,10 +397,11 @@ static bool bktrInitializeIndirectStorageContext(BucketTreeContext *out, NcaFsSe
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NcaContext *nca_ctx = (NcaContext*)nca_fs_ctx->nca_ctx;
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NcaBucketInfo *indirect_bucket = (is_sparse ? &(nca_fs_ctx->header.sparse_info.bucket) : &(nca_fs_ctx->header.patch_info.indirect_bucket));
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BucketTreeTable *indirect_table = NULL;
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u64 node_storage_size = 0, entry_storage_size = 0;
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bool success = false;
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/* Verify bucket info. */
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if (!bktrVerifyBucketInfo(indirect_bucket, BKTR_NODE_SIZE, BKTR_INDIRECT_ENTRY_SIZE))
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if (!bktrVerifyBucketInfo(indirect_bucket, BKTR_NODE_SIZE, BKTR_INDIRECT_ENTRY_SIZE, &node_storage_size, &entry_storage_size))
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{
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LOG_MSG("Indirect Storage BucketInfo verification failed! (%s).", is_sparse ? "sparse" : "patch");
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goto end;
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@ -337,13 +456,14 @@ static bool bktrInitializeIndirectStorageContext(BucketTreeContext *out, NcaFsSe
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/* Update output context. */
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out->nca_fs_ctx = nca_fs_ctx;
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memcpy(out->bucket, indirect_bucket, sizeof(NcaBucketInfo));
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out->storage_type = (is_sparse ? BucketTreeStorageType_Sparse : BucketTreeStorageType_Indirect);
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out->storage_table = indirect_table;
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out->node_size = BKTR_NODE_SIZE;
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out->entry_size = BKTR_INDIRECT_ENTRY_SIZE;
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out->offset_count = bktrGetOffsetCount(BKTR_NODE_SIZE);
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out->entry_set_count = bktrGetEntrySetCount(BKTR_NODE_SIZE, BKTR_INDIRECT_ENTRY_SIZE, indirect_bucket->header.entry_count);
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out->node_storage_size = node_storage_size;
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out->entry_storage_size = entry_storage_size;
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out->start_offset = start_offset;
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out->end_offset = end_offset;
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@ -367,10 +487,11 @@ static bool bktrInitializeAesCtrExStorageContext(BucketTreeContext *out, NcaFsSe
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NcaContext *nca_ctx = (NcaContext*)nca_fs_ctx->nca_ctx;
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NcaBucketInfo *aes_ctr_ex_bucket = &(nca_fs_ctx->header.patch_info.aes_ctr_ex_bucket);
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BucketTreeTable *aes_ctr_ex_table = NULL;
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u64 node_storage_size = 0, entry_storage_size = 0;
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bool success = false;
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/* Verify bucket info. */
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if (!bktrVerifyBucketInfo(aes_ctr_ex_bucket, BKTR_NODE_SIZE, BKTR_AES_CTR_EX_ENTRY_SIZE))
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if (!bktrVerifyBucketInfo(aes_ctr_ex_bucket, BKTR_NODE_SIZE, BKTR_AES_CTR_EX_ENTRY_SIZE, &node_storage_size, &entry_storage_size))
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{
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LOG_MSG("AesCtrEx Storage BucketInfo verification failed!");
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goto end;
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@ -401,13 +522,14 @@ static bool bktrInitializeAesCtrExStorageContext(BucketTreeContext *out, NcaFsSe
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/* Update output context. */
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out->nca_fs_ctx = nca_fs_ctx;
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memcpy(out->bucket, aes_ctr_ex_bucket, sizeof(NcaBucketInfo));
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out->storage_type = BucketTreeStorageType_AesCtrEx;
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out->storage_table = aes_ctr_ex_table;
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out->node_size = BKTR_NODE_SIZE;
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out->entry_size = BKTR_AES_CTR_EX_ENTRY_SIZE;
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out->offset_count = bktrGetOffsetCount(BKTR_NODE_SIZE);
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out->entry_set_count = bktrGetEntrySetCount(BKTR_NODE_SIZE, BKTR_AES_CTR_EX_ENTRY_SIZE, aes_ctr_ex_bucket->header.entry_count);
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out->node_storage_size = node_storage_size;
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out->entry_storage_size = entry_storage_size;
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out->start_offset = start_offset;
|
||||
out->end_offset = end_offset;
|
||||
|
||||
|
|
@ -431,10 +553,11 @@ static bool bktrInitializeCompressedStorageContext(BucketTreeContext *out, NcaFs
|
|||
NcaContext *nca_ctx = (NcaContext*)nca_fs_ctx->nca_ctx;
|
||||
NcaBucketInfo *compressed_bucket = &(nca_fs_ctx->header.compression_info.bucket);
|
||||
BucketTreeTable *compressed_table = NULL;
|
||||
u64 node_storage_size = 0, entry_storage_size = 0;
|
||||
bool success = false;
|
||||
|
||||
/* Verify bucket info. */
|
||||
if (!bktrVerifyBucketInfo(compressed_bucket, BKTR_NODE_SIZE, BKTR_COMPRESSED_ENTRY_SIZE))
|
||||
if (!bktrVerifyBucketInfo(compressed_bucket, BKTR_NODE_SIZE, BKTR_COMPRESSED_ENTRY_SIZE, &node_storage_size, &entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Compressed Storage BucketInfo verification failed!");
|
||||
goto end;
|
||||
|
|
@ -465,13 +588,14 @@ static bool bktrInitializeCompressedStorageContext(BucketTreeContext *out, NcaFs
|
|||
|
||||
/* Update output context. */
|
||||
out->nca_fs_ctx = nca_fs_ctx;
|
||||
memcpy(out->bucket, compressed_bucket, sizeof(NcaBucketInfo));
|
||||
out->storage_type = BucketTreeStorageType_Compressed;
|
||||
out->storage_table = compressed_table;
|
||||
out->node_size = BKTR_NODE_SIZE;
|
||||
out->entry_size = BKTR_COMPRESSED_ENTRY_SIZE;
|
||||
out->offset_count = bktrGetOffsetCount(BKTR_NODE_SIZE);
|
||||
out->entry_set_count = bktrGetEntrySetCount(BKTR_NODE_SIZE, BKTR_COMPRESSED_ENTRY_SIZE, compressed_bucket->header.entry_count);
|
||||
out->node_storage_size = node_storage_size;
|
||||
out->entry_storage_size = entry_storage_size;
|
||||
out->start_offset = start_offset;
|
||||
out->end_offset = end_offset;
|
||||
|
||||
|
|
@ -484,7 +608,7 @@ end:
|
|||
return success;
|
||||
}
|
||||
|
||||
static bool bktrVerifyBucketInfo(NcaBucketInfo *bucket, u64 node_size, u64 entry_size)
|
||||
static bool bktrVerifyBucketInfo(NcaBucketInfo *bucket, u64 node_size, u64 entry_size, u64 *out_node_storage_size, u64 *out_entry_storage_size)
|
||||
{
|
||||
/* Verify bucket info properties. */
|
||||
if (!ncaVerifyBucketInfo(bucket)) return false;
|
||||
|
|
@ -494,7 +618,14 @@ static bool bktrVerifyBucketInfo(NcaBucketInfo *bucket, u64 node_size, u64 entry
|
|||
u64 entry_storage_size = bktrQueryEntryStorageSize(node_size, entry_size, bucket->header.entry_count);
|
||||
u64 calc_table_size = (node_storage_size + entry_storage_size);
|
||||
|
||||
return (bucket->size >= calc_table_size);
|
||||
bool success = (bucket->size >= calc_table_size);
|
||||
if (success)
|
||||
{
|
||||
if (out_node_storage_size) *out_node_storage_size = node_storage_size;
|
||||
if (out_entry_storage_size) *out_entry_storage_size = entry_storage_size;
|
||||
}
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
static bool bktrValidateTableOffsetNode(const BucketTreeTable *table, u64 node_size, u64 entry_size, u32 entry_count, u64 *out_start_offset, u64 *out_end_offset)
|
||||
|
|
@ -613,24 +744,24 @@ static bool bktrFindStorageEntry(BucketTreeContext *ctx, u64 virtual_offset, Buc
|
|||
|
||||
/* Get the entry node index. */
|
||||
u32 entry_set_index = 0;
|
||||
const u64 *start = NULL, *end = NULL, *pos = NULL;
|
||||
const u64 *start_ptr = NULL, *end_ptr = NULL, *pos = NULL;
|
||||
bool success = false;
|
||||
|
||||
if (bktrIsExistOffsetL2OnL1(ctx) && virtual_offset < *bktrGetOffsetNodeBegin(offset_node))
|
||||
{
|
||||
start = bktrGetOffsetNodeEnd(offset_node);
|
||||
end = (bktrGetOffsetNodeBegin(offset_node) + ctx->offset_count);
|
||||
start_ptr = bktrGetOffsetNodeEnd(offset_node);
|
||||
end_ptr = (bktrGetOffsetNodeBegin(offset_node) + ctx->offset_count);
|
||||
|
||||
if (!bktrGetTreeNodeEntryIndex(start, end, virtual_offset, &entry_set_index))
|
||||
if (!bktrGetTreeNodeEntryIndex(start_ptr, end_ptr, virtual_offset, &entry_set_index))
|
||||
{
|
||||
LOG_MSG("Failed to retrieve Bucket Tree Node entry index for virtual offset 0x%lX! (#1).", virtual_offset);
|
||||
goto end;
|
||||
}
|
||||
} else {
|
||||
start = bktrGetOffsetNodeBegin(offset_node);
|
||||
end = bktrGetOffsetNodeEnd(offset_node);
|
||||
start_ptr = bktrGetOffsetNodeBegin(offset_node);
|
||||
end_ptr = bktrGetOffsetNodeEnd(offset_node);
|
||||
|
||||
if (!bktrGetTreeNodeEntryIndex(start, end, virtual_offset, &entry_set_index))
|
||||
if (!bktrGetTreeNodeEntryIndex(start_ptr, end_ptr, virtual_offset, &entry_set_index))
|
||||
{
|
||||
LOG_MSG("Failed to retrieve Bucket Tree Node entry index for virtual offset 0x%lX! (#2).", virtual_offset);
|
||||
goto end;
|
||||
|
|
@ -662,22 +793,22 @@ end:
|
|||
return success;
|
||||
}
|
||||
|
||||
static bool bktrGetTreeNodeEntryIndex(const u64 *start, const u64 *end, u64 virtual_offset, u32 *out_index)
|
||||
static bool bktrGetTreeNodeEntryIndex(const u64 *start_ptr, const u64 *end_ptr, u64 virtual_offset, u32 *out_index)
|
||||
{
|
||||
if (!start || !end || start >= end || !out_index)
|
||||
if (!start_ptr || !end_ptr || start_ptr >= end_ptr || !out_index)
|
||||
{
|
||||
LOG_MSG("Invalid parameters!");
|
||||
return false;
|
||||
}
|
||||
|
||||
u64 *pos = (u64*)start;
|
||||
u64 *pos = (u64*)start_ptr;
|
||||
bool found = false;
|
||||
|
||||
while(pos < end)
|
||||
while(pos < end_ptr)
|
||||
{
|
||||
if (start < pos && *pos > virtual_offset)
|
||||
if (start_ptr < pos && *pos > virtual_offset)
|
||||
{
|
||||
*out_index = ((u32)(pos - start) - 1);
|
||||
*out_index = ((u32)(pos - start_ptr) - 1);
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
|
|
@ -688,7 +819,7 @@ static bool bktrGetTreeNodeEntryIndex(const u64 *start, const u64 *end, u64 virt
|
|||
return found;
|
||||
}
|
||||
|
||||
static bool bktrGetEntryNodeEntryIndex(const BucketTreeNodeHeader *node_header, u64 node_offset, u64 entry_size, u64 virtual_offset, u32 *out_index)
|
||||
static bool bktrGetEntryNodeEntryIndex(const BucketTreeNodeHeader *node_header, u64 entry_size, u64 virtual_offset, u32 *out_index)
|
||||
{
|
||||
if (!node_header || !out_index)
|
||||
{
|
||||
|
|
@ -698,7 +829,7 @@ static bool bktrGetEntryNodeEntryIndex(const BucketTreeNodeHeader *node_header,
|
|||
|
||||
/* Initialize storage node and find the index for our virtual offset. */
|
||||
BucketTreeStorageNode storage_node = {0};
|
||||
bktrInitializeStorageNode(&storage_node, node_offset, entry_size, node_header->count);
|
||||
bktrInitializeStorageNode(&storage_node, entry_size, node_header->count);
|
||||
bktrStorageNodeFind(&storage_node, node_header, virtual_offset);
|
||||
|
||||
/* Validate index. */
|
||||
|
|
@ -724,13 +855,9 @@ static bool bktrFindEntrySet(BucketTreeContext *ctx, u32 *out_index, u64 virtual
|
|||
return false;
|
||||
}
|
||||
|
||||
/* Calculate offset node extents. */
|
||||
u64 node_size = ctx->node_size;
|
||||
u64 node_offset = ((node_index + 1) * node_size);
|
||||
|
||||
/* Get offset node entry index. */
|
||||
u32 offset_index = 0;
|
||||
if (!bktrGetEntryNodeEntryIndex(node_header, node_offset, sizeof(u64), virtual_offset, &offset_index))
|
||||
if (!bktrGetEntryNodeEntryIndex(node_header, sizeof(u64), virtual_offset, &offset_index))
|
||||
{
|
||||
LOG_MSG("Failed to get offset node entry index!");
|
||||
return false;
|
||||
|
|
@ -748,7 +875,7 @@ static const BucketTreeNodeHeader *bktrGetTreeNodeHeader(BucketTreeContext *ctx,
|
|||
const u64 node_size = ctx->node_size;
|
||||
const u64 node_offset = ((node_index + 1) * node_size);
|
||||
|
||||
if ((node_offset + BKTR_NODE_HEADER_SIZE) > ctx->bucket.size)
|
||||
if ((node_offset + BKTR_NODE_HEADER_SIZE) > ctx->node_storage_size)
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Offset Node offset!");
|
||||
return NULL;
|
||||
|
|
@ -785,11 +912,11 @@ static bool bktrFindEntry(BucketTreeContext *ctx, BucketTreeVisitor *out_visitor
|
|||
/* Calculate entry node extents. */
|
||||
const u64 entry_size = ctx->entry_size;
|
||||
const u64 entry_set_size = ctx->node_size;
|
||||
const u64 entry_set_offset = (entry_set_index * entry_set_size);
|
||||
const u64 entry_set_offset = (ctx->node_storage_size + (entry_set_index * entry_set_size));
|
||||
|
||||
/* Get entry node entry index. */
|
||||
u32 entry_index = 0;
|
||||
if (!bktrGetEntryNodeEntryIndex(entry_set_header, entry_set_offset, entry_size, virtual_offset, &entry_index))
|
||||
if (!bktrGetEntryNodeEntryIndex(entry_set_header, entry_size, virtual_offset, &entry_index))
|
||||
{
|
||||
LOG_MSG("Failed to get entry node entry index!");
|
||||
return false;
|
||||
|
|
@ -797,7 +924,7 @@ static bool bktrFindEntry(BucketTreeContext *ctx, BucketTreeVisitor *out_visitor
|
|||
|
||||
/* Get entry node entry offset and validate it. */
|
||||
u64 entry_offset = bktrGetEntryNodeEntryOffset(entry_set_offset, entry_size, entry_index);
|
||||
if ((entry_offset + entry_size) > ctx->bucket.size)
|
||||
if ((entry_offset + entry_size) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node entry offset!");
|
||||
return false;
|
||||
|
|
@ -807,8 +934,8 @@ static bool bktrFindEntry(BucketTreeContext *ctx, BucketTreeVisitor *out_visitor
|
|||
memset(out, 0, sizeof(BucketTreeVisitor));
|
||||
|
||||
out_visitor->bktr_ctx = ctx;
|
||||
memcpy(&(out_visitor->entry_set), entry_set_header, BKTR_NODE_HEADER_SIZE);
|
||||
out_visitor->entry_index = entry_index
|
||||
memcpy(&(out_visitor->entry_set), entry_set_header, sizeof(BucketTreeEntrySetHeader));
|
||||
out_visitor->entry_index = entry_index;
|
||||
out_visitor->entry = ((u8*)ctx->storage_table + entry_offset);
|
||||
|
||||
return true;
|
||||
|
|
@ -819,9 +946,9 @@ static const BucketTreeNodeHeader *bktrGetEntryNodeHeader(BucketTreeContext *ctx
|
|||
/* Calculate entry node extents. */
|
||||
const u64 entry_size = ctx->entry_size;
|
||||
const u64 entry_set_size = ctx->node_size;
|
||||
const u64 entry_set_offset = (entry_set_index * entry_set_size);
|
||||
const u64 entry_set_offset = (ctx->node_storage_size + (entry_set_index * entry_set_size));
|
||||
|
||||
if ((entry_set_offset + BKTR_NODE_HEADER_SIZE) > ctx->bucket.size)
|
||||
if ((entry_set_offset + BKTR_NODE_HEADER_SIZE) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node offset!");
|
||||
return NULL;
|
||||
|
|
@ -837,12 +964,17 @@ static const BucketTreeNodeHeader *bktrGetEntryNodeHeader(BucketTreeContext *ctx
|
|||
return NULL;
|
||||
}
|
||||
|
||||
return node_header;
|
||||
return entry_set_header;
|
||||
}
|
||||
|
||||
NX_INLINE u64 bktrGetEntryNodeEntryOffset(u64 entry_set_offset, u64 entry_size, u32 entry_index)
|
||||
{
|
||||
return (entry_set_offset + BKTR_NODE_HEADER_SIZE + (entry_index * entry_size));
|
||||
return (entry_set_offset + BKTR_NODE_HEADER_SIZE + ((u64)entry_index * entry_size));
|
||||
}
|
||||
|
||||
NX_INLINE u64 bktrGetEntryNodeEntryOffsetByIndex(u32 entry_set_index, u64 node_size, u64 entry_size, u32 entry_index)
|
||||
{
|
||||
return bktrGetEntryNodeEntryOffset((u64)entry_set_index * node_size, entry_size, entry_index);
|
||||
}
|
||||
|
||||
NX_INLINE bool bktrIsExistL2(BucketTreeContext *ctx)
|
||||
|
|
@ -855,9 +987,9 @@ NX_INLINE bool bktrIsExistOffsetL2OnL1(BucketTreeContext *ctx)
|
|||
return (bktrIsExistL2(ctx) && ctx->storage_table->offset_node.header.count < ctx->offset_count);
|
||||
}
|
||||
|
||||
static void bktrInitializeStorageNode(BucketTreeStorageNode *out, u64 node_offset, u64 entry_size, u32 entry_count)
|
||||
static void bktrInitializeStorageNode(BucketTreeStorageNode *out, u64 entry_size, u32 entry_count)
|
||||
{
|
||||
out->start.offset = (BKTR_NODE_HEADER_SIZE + node_offset);
|
||||
out->start.offset = BKTR_NODE_HEADER_SIZE;
|
||||
out->start.stride = (u32)entry_size;
|
||||
out->count = entry_count;
|
||||
out->index = UINT32_MAX;
|
||||
|
|
@ -896,3 +1028,164 @@ NX_INLINE u64 bktrStorageNodeOffsetSubstract(BucketTreeStorageNodeOffset *ofs1,
|
|||
{
|
||||
return (u64)((ofs1->offset - ofs2->offset) / ofs1->stride);
|
||||
}
|
||||
|
||||
NX_INLINE bool bktrVisitorIsValid(BucketTreeVisitor *visitor)
|
||||
{
|
||||
return (visitor && visitor->bktr_ctx && visitor->entry_index != UINT32_MAX);
|
||||
}
|
||||
|
||||
NX_INLINE bool bktrVisitorCanMoveNext(BucketTreeVisitor *visitor)
|
||||
{
|
||||
return (bktrVisitorIsValid(visitor) && ((visitor->entry_index + 1) < visitor->entry_set.header.count || (visitor->entry_set.header.index + 1) < visitor->bktr_ctx->entry_set_count));
|
||||
}
|
||||
|
||||
NX_INLINE bool bktrVisitorCanMovePrevious(BucketTreeVisitor *visitor)
|
||||
{
|
||||
return (bktrVisitorIsValid(visitor) && (visitor->entry_index > 0 || visitor->entry_set.header.index > 0));
|
||||
}
|
||||
|
||||
static bool bktrVisitorMoveNext(BucketTreeVisitor *visitor)
|
||||
{
|
||||
if (!bktrVisitorIsValid(visitor))
|
||||
{
|
||||
LOG_MSG("Invalid parameters!");
|
||||
return false;
|
||||
}
|
||||
|
||||
BucketTreeContext *ctx = visitor->bktr_ctx;
|
||||
BucketTreeEntrySetHeader *entry_set = &(visitor->entry_set);
|
||||
bool success = false;
|
||||
|
||||
/* Invalidate index. */
|
||||
visitor->entry_index = UINT32_MAX;
|
||||
|
||||
u32 entry_index = (visitor->entry_index + 1);
|
||||
if (entry_index == entry_set->header.count)
|
||||
{
|
||||
/* We have reached the end of this entry node. Let's try to retrieve the first entry from the next one. */
|
||||
const u32 entry_set_index = (entry_set->header.index + 1);
|
||||
if (entry_set_index >= ctx->entry_set_count)
|
||||
{
|
||||
LOG_MSG("Error: attempting to move visitor into non-existing Bucket Tree Entry Node!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Read next entry set header. */
|
||||
const u64 end_offset = entry_set->header.offset;
|
||||
const u64 entry_set_size = ctx->node_size;
|
||||
const u64 entry_set_offset = (ctx->node_storage_size + (entry_set_index * entry_set_size));
|
||||
|
||||
if ((entry_set_offset + sizeof(BucketTreeEntrySetHeader)) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node offset!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
memcpy(entry_set, (u8*)ctx->storage_table + entry_set_offset, sizeof(BucketTreeEntrySetHeader));
|
||||
|
||||
/* Validate next entry set header. */
|
||||
if (!bktrVerifyNodeHeader(&(entry_set->header), entry_set_index, entry_set_size, ctx->entry_size) || entry_set->start != end_offset || \
|
||||
entry_set->start >= entry_set->header.offset)
|
||||
{
|
||||
LOG_MSG("Bucket Tree Entry Node header verification failed!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Update entry index. */
|
||||
entry_index = 0;
|
||||
}
|
||||
|
||||
/* Get the new entry. */
|
||||
const u64 entry_size = ctx->entry_size;
|
||||
const u64 entry_offset = (ctx->node_storage_size + bktrGetEntryNodeEntryOffsetByIndex(entry_set->header.index, ctx->node_size, entry_size, entry_index));
|
||||
|
||||
if ((entry_offset + entry_size) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node entry offset!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Update visitor. */
|
||||
visitor->entry_index = entry_index;
|
||||
visitor->entry = ((u8*)ctx->storage_table + entry_offset);
|
||||
|
||||
/* Update return value. */
|
||||
success = true;
|
||||
|
||||
end:
|
||||
return success;
|
||||
}
|
||||
|
||||
static bool bktrVisitorMovePrevious(BucketTreeVisitor *visitor)
|
||||
{
|
||||
if (!bktrVisitorIsValid(visitor))
|
||||
{
|
||||
LOG_MSG("Invalid parameters!");
|
||||
return false;
|
||||
}
|
||||
|
||||
BucketTreeContext *ctx = visitor->bktr_ctx;
|
||||
BucketTreeEntrySetHeader *entry_set = &(visitor->entry_set);
|
||||
bool success = false;
|
||||
|
||||
/* Invalidate index. */
|
||||
visitor->entry_index = UINT32_MAX;
|
||||
|
||||
u32 entry_index = visitor->entry_index;
|
||||
if (entry_index == 0)
|
||||
{
|
||||
/* We have reached the start of this entry node. Let's try to retrieve the last entry from the previous one. */
|
||||
if (!entry_set->header.index)
|
||||
{
|
||||
LOG_MSG("Error: attempting to move visitor into non-existing Bucket Tree Entry Node!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Read previous entry set header. */
|
||||
const u64 start_offset = entry_set->start;
|
||||
const u64 entry_set_size = ctx->node_size;
|
||||
const u32 entry_set_index = (entry_set->header.index - 1);
|
||||
const u64 entry_set_offset = (ctx->node_storage_size + (entry_set_index * entry_set_size));
|
||||
|
||||
if ((entry_set_offset + sizeof(BucketTreeEntrySetHeader)) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node offset!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
memcpy(entry_set, (u8*)ctx->storage_table + entry_set_offset, sizeof(BucketTreeEntrySetHeader));
|
||||
|
||||
/* Validate next entry set header. */
|
||||
if (!bktrVerifyNodeHeader(&(entry_set->header), entry_set_index, entry_set_size, ctx->entry_size) || entry_set->header.offset != start_offset || \
|
||||
entry_set->start >= entry_set->header.offset)
|
||||
{
|
||||
LOG_MSG("Bucket Tree Entry Node header verification failed!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Update entry index. */
|
||||
entry_index = entry_set->header.count;
|
||||
}
|
||||
|
||||
entry_index--;
|
||||
|
||||
/* Get the new entry. */
|
||||
const u64 entry_size = ctx->entry_size;
|
||||
const u64 entry_offset = (ctx->node_storage_size + bktrGetEntryNodeEntryOffsetByIndex(entry_set->header.index, ctx->node_size, entry_size, entry_index));
|
||||
|
||||
if ((entry_offset + entry_size) > (ctx->node_storage_size + ctx->entry_storage_size))
|
||||
{
|
||||
LOG_MSG("Invalid Bucket Tree Entry Node entry offset!");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Update visitor. */
|
||||
visitor->entry_index = entry_index;
|
||||
visitor->entry = ((u8*)ctx->storage_table + entry_offset);
|
||||
|
||||
/* Update return value. */
|
||||
success = true;
|
||||
|
||||
end:
|
||||
return success;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -750,6 +750,8 @@ static bool ncaInitializeFsSectionContext(NcaContext *nca_ctx, u32 section_idx)
|
|||
fs_ctx->nca_ctx = nca_ctx;
|
||||
fs_ctx->section_idx = section_idx;
|
||||
fs_ctx->section_type = NcaFsSectionType_Invalid; /* Placeholder. */
|
||||
fs_ctx->has_patch_indirect_layer = (fs_ctx->header.patch_info.indirect_bucket.size > 0);
|
||||
fs_ctx->has_patch_aes_ctr_ex_layer = (fs_ctx->header.patch_info.aes_ctr_ex_bucket.size > 0);
|
||||
fs_ctx->has_sparse_layer = (sparse_info->generation != 0);
|
||||
fs_ctx->has_compression_layer = (compression_bucket->offset != 0 && compression_bucket->size != 0);
|
||||
fs_ctx->cur_sparse_virtual_offset = 0;
|
||||
|
|
@ -908,14 +910,14 @@ static bool ncaInitializeFsSectionContext(NcaContext *nca_ctx, u32 section_idx)
|
|||
case NcaFsType_RomFs:
|
||||
if (fs_ctx->hash_type == NcaHashType_HierarchicalIntegrity || fs_ctx->hash_type == NcaHashType_HierarchicalIntegritySha3)
|
||||
{
|
||||
if ((fs_ctx->header.patch_info.indirect_bucket.size > 0 || fs_ctx->header.patch_info.aes_ctr_ex_bucket.size > 0) && \
|
||||
if (fs_ctx->has_patch_indirect_layer && fs_ctx->has_patch_aes_ctr_ex_layer && \
|
||||
(fs_ctx->encryption_type == NcaEncryptionType_None || fs_ctx->encryption_type == NcaEncryptionType_AesCtrEx || \
|
||||
fs_ctx->encryption_type == NcaEncryptionType_AesCtrExSkipLayerHash))
|
||||
{
|
||||
/* Patch RomFS. */
|
||||
fs_ctx->section_type = NcaFsSectionType_PatchRomFs;
|
||||
} else
|
||||
if (!fs_ctx->header.patch_info.indirect_bucket.size && !fs_ctx->header.patch_info.aes_ctr_ex_bucket.size && \
|
||||
if (!fs_ctx->has_patch_indirect_layer && !fs_ctx->has_patch_aes_ctr_ex_layer && \
|
||||
((fs_ctx->encryption_type >= NcaEncryptionType_None && fs_ctx->encryption_type <= NcaEncryptionType_AesCtr) || \
|
||||
fs_ctx->encryption_type == NcaEncryptionType_AesCtrSkipLayerHash))
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue