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Code Issues Releases Activity

pfs: use new NCA storage interface.

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This commit is contained in:
Pablo Curiel 2022-07-04 01:36:01 +02:00
parent cc17c4a458
commit c2a8f025b3
7 changed files with 37 additions and 25 deletions
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8
include/core/nca_storage.h
View file

@ -61,6 +61,14 @@ bool ncaStorageRead(NcaStorageContext *ctx, void *out, u64 read_size, u64 offset
/// Frees a previously initialized NCA storage context.
void ncaStorageFreeContext(NcaStorageContext *ctx);
/// Helper inline functions.
NX_INLINE bool ncaStorageIsValidContext(NcaStorageContext *ctx)
{
return (ctx && ctx->base_storage_type >= NcaStorageBaseStorageType_Regular && ctx->base_storage_type <= NcaStorageBaseStorageType_Compressed && ctx->nca_fs_ctx && \
ctx->nca_fs_ctx->enabled);
}
#ifdef __cplusplus
}
#endif

9
include/core/pfs.h
View file

@ -24,7 +24,7 @@
#ifndef __PFS_H__
#define __PFS_H__
#include "nca.h"
#include "nca_storage.h"
#ifdef __cplusplus
extern "C" {
@ -52,7 +52,7 @@ NXDT_ASSERT(PartitionFileSystemEntry, 0x18);
/// Used with Partition FS sections from NCAs.
typedef struct {
NcaFsSectionContext *nca_fs_ctx; ///< Used to read NCA FS section data.
NcaStorageContext storage_ctx; ///< Used to read NCA FS section data.
u64 offset; ///< Partition offset (relative to the start of the NCA FS section).
u64 size; ///< Partition size.
bool is_exefs; ///< ExeFS flag.
@ -106,6 +106,7 @@ bool pfsWriteFileContextHeaderToMemoryBuffer(PartitionFileSystemFileContext *ctx
NX_INLINE void pfsFreeContext(PartitionFileSystemContext *ctx)
{
if (!ctx) return;
ncaStorageFreeContext(&(ctx->storage_ctx));
if (ctx->header) free(ctx->header);
memset(ctx, 0, sizeof(PartitionFileSystemContext));
}
@ -153,8 +154,8 @@ NX_INLINE PartitionFileSystemEntry *pfsGetEntryByName(PartitionFileSystemContext
NX_INLINE void pfsWriteEntryPatchToMemoryBuffer(PartitionFileSystemContext *ctx, NcaHierarchicalSha256Patch *patch, void *buf, u64 buf_size, u64 buf_offset)
{
if (!ctx || !ctx->nca_fs_ctx) return;
ncaWriteHierarchicalSha256PatchToMemoryBuffer((NcaContext*)ctx->nca_fs_ctx->nca_ctx, patch, buf, buf_size, buf_offset);
if (!ctx || !ncaStorageIsValidContext(&(ctx->storage_ctx))) return;
ncaWriteHierarchicalSha256PatchToMemoryBuffer((NcaContext*)ctx->storage_ctx.nca_fs_ctx->nca_ctx, patch, buf, buf_size, buf_offset);
}
NX_INLINE void pfsFreeEntryPatch(NcaHierarchicalSha256Patch *patch)

5
source/core/bktr.c
View file

@ -871,12 +871,12 @@ static bool bktrReadSubStorage(BucketTreeSubStorage *substorage, BucketTreeSubSt
return false;
}
BucketTreeContext *ctx = (BucketTreeContext*)substorage->bktr_ctx;
NcaFsSectionContext *nca_fs_ctx = substorage->nca_fs_ctx;
bool success = false;
if (substorage->type == BucketTreeSubStorageType_Regular)
{
NcaFsSectionContext *nca_fs_ctx = substorage->nca_fs_ctx;
if (params->parent_storage_type == BucketTreeStorageType_AesCtrEx)
{
/* Perform a read on the target NCA using AesCtrEx crypto. */
@ -890,6 +890,7 @@ static bool bktrReadSubStorage(BucketTreeSubStorage *substorage, BucketTreeSubSt
}
} else {
/* Perform a read on the target BucketTree storage. */
BucketTreeContext *ctx = (BucketTreeContext*)substorage->bktr_ctx;
success = bktrReadStorage(ctx, params->buffer, params->size, params->offset);
}

6
source/core/nca_storage.c
View file

@ -244,9 +244,3 @@ end:
return success;
}
NX_INLINE bool ncaStorageIsValidContext(NcaStorageContext *ctx)
{
return (ctx && ctx->base_storage_type >= NcaStorageBaseStorageType_Regular && ctx->base_storage_type <= NcaStorageBaseStorageType_Compressed && ctx->nca_fs_ctx && \
ctx->nca_fs_ctx->enabled);
}

5
source/core/npdm.c
View file

@ -30,8 +30,9 @@ bool npdmInitializeContext(NpdmContext *out, PartitionFileSystemContext *pfs_ctx
bool success = false, dump_meta_header = false, dump_acid_header = false, dump_aci_header = false;
PartitionFileSystemEntry *pfs_entry = NULL;
if (!out || !pfs_ctx || !pfs_ctx->nca_fs_ctx || !(nca_ctx = (NcaContext*)pfs_ctx->nca_fs_ctx->nca_ctx) || nca_ctx->content_type != NcmContentType_Program || !pfs_ctx->offset || !pfs_ctx->size || \
!pfs_ctx->is_exefs || pfs_ctx->header_size <= sizeof(PartitionFileSystemHeader) || !pfs_ctx->header)
if (!out || !pfs_ctx || !ncaStorageIsValidContext(&(pfs_ctx->storage_ctx)) || !(nca_ctx = (NcaContext*)pfs_ctx->storage_ctx.nca_fs_ctx->nca_ctx) || \
nca_ctx->content_type != NcmContentType_Program || !pfs_ctx->offset || !pfs_ctx->size || !pfs_ctx->is_exefs || \
pfs_ctx->header_size <= sizeof(PartitionFileSystemHeader) || !pfs_ctx->header)
{
LOG_MSG("Invalid parameters!");
return false;

5
source/core/nso.c
View file

@ -35,8 +35,9 @@ bool nsoInitializeContext(NsoContext *out, PartitionFileSystemContext *pfs_ctx,
u8 *rodata_buf = NULL;
bool success = false, dump_nso_header = false;
if (!out || !pfs_ctx || !pfs_ctx->nca_fs_ctx || !(nca_ctx = (NcaContext*)pfs_ctx->nca_fs_ctx->nca_ctx) || nca_ctx->content_type != NcmContentType_Program || !pfs_ctx->offset || !pfs_ctx->size || \
!pfs_ctx->is_exefs || pfs_ctx->header_size <= sizeof(PartitionFileSystemHeader) || !pfs_ctx->header || !pfs_entry)
if (!out || !pfs_ctx || !ncaStorageIsValidContext(&(pfs_ctx->storage_ctx)) || !(nca_ctx = (NcaContext*)pfs_ctx->storage_ctx.nca_fs_ctx->nca_ctx) || \
nca_ctx->content_type != NcmContentType_Program || !pfs_ctx->offset || !pfs_ctx->size || !pfs_ctx->is_exefs || \
pfs_ctx->header_size <= sizeof(PartitionFileSystemHeader) || !pfs_ctx->header || !pfs_entry)
{
LOG_MSG("Invalid parameters!");
return false;

24
source/core/pfs.c
View file

@ -46,9 +46,15 @@ bool pfsInitializeContext(PartitionFileSystemContext *out, NcaFsSectionContext *
/* Free output context beforehand. */
pfsFreeContext(out);
/* Fill context. */
out->nca_fs_ctx = nca_fs_ctx;
/* Initialize NCA storage context. */
NcaStorageContext *storage_ctx = &(out->storage_ctx);
if (!ncaStorageInitializeContext(storage_ctx, nca_fs_ctx))
{
LOG_MSG("Failed to initialize NCA storage context!");
goto end;
}
/* Get Partition FS offset and size. */
if (!ncaGetFsSectionHashTargetProperties(nca_fs_ctx, &(out->offset), &(out->size)))
{
LOG_MSG("Failed to get target hash layer properties!");
@ -56,7 +62,7 @@ bool pfsInitializeContext(PartitionFileSystemContext *out, NcaFsSectionContext *
}
/* Read partial Partition FS header. */
if (!ncaReadFsSection(nca_fs_ctx, &pfs_header, sizeof(PartitionFileSystemHeader), out->offset))
if (!ncaStorageRead(storage_ctx, &pfs_header, sizeof(PartitionFileSystemHeader), out->offset))
{
LOG_MSG("Failed to read partial Partition FS header!");
goto end;
@ -89,7 +95,7 @@ bool pfsInitializeContext(PartitionFileSystemContext *out, NcaFsSectionContext *
}
/* Read full Partition FS header. */
if (!ncaReadFsSection(nca_fs_ctx, out->header, out->header_size, out->offset))
if (!ncaStorageRead(storage_ctx, out->header, out->header_size, out->offset))
{
LOG_MSG("Failed to read full Partition FS header!");
goto end;
@ -115,14 +121,14 @@ end:
bool pfsReadPartitionData(PartitionFileSystemContext *ctx, void *out, u64 read_size, u64 offset)
{
if (!ctx || !ctx->nca_fs_ctx || !ctx->size || !out || !read_size || (offset + read_size) > ctx->size)
if (!ctx || !ncaStorageIsValidContext(&(ctx->storage_ctx)) || !ctx->size || !out || !read_size || (offset + read_size) > ctx->size)
{
LOG_MSG("Invalid parameters!");
return false;
}
/* Read partition data. */
if (!ncaReadFsSection(ctx->nca_fs_ctx, out, read_size, ctx->offset + offset))
if (!ncaStorageRead(&(ctx->storage_ctx), out, read_size, ctx->offset + offset))
{
LOG_MSG("Failed to read Partition FS data!");
return false;
@ -220,8 +226,8 @@ bool pfsGetTotalDataSize(PartitionFileSystemContext *ctx, u64 *out_size)
bool pfsGenerateEntryPatch(PartitionFileSystemContext *ctx, PartitionFileSystemEntry *fs_entry, const void *data, u64 data_size, u64 data_offset, NcaHierarchicalSha256Patch *out)
{
if (!ctx || !ctx->nca_fs_ctx || !ctx->header_size || !ctx->header || !fs_entry || !fs_entry->size || (fs_entry->offset + fs_entry->size) > ctx->size || !data || !data_size || \
(data_offset + data_size) > fs_entry->size || !out)
if (!ctx || !ncaStorageIsValidContext(&(ctx->storage_ctx)) || !ctx->header_size || !ctx->header || !fs_entry || !fs_entry->size || \
(fs_entry->offset + fs_entry->size) > ctx->size || !data || !data_size || (data_offset + data_size) > fs_entry->size || !out)
{
LOG_MSG("Invalid parameters!");
return false;
@ -229,7 +235,7 @@ bool pfsGenerateEntryPatch(PartitionFileSystemContext *ctx, PartitionFileSystemE
u64 partition_offset = (ctx->header_size + fs_entry->offset + data_offset);
if (!ncaGenerateHierarchicalSha256Patch(ctx->nca_fs_ctx, data, data_size, partition_offset, out))
if (!ncaGenerateHierarchicalSha256Patch(ctx->storage_ctx.nca_fs_ctx, data, data_size, partition_offset, out))
{
LOG_MSG("Failed to generate 0x%lX bytes HierarchicalSha256 patch at offset 0x%lX for Partition FS entry!", data_size, partition_offset);
return false;