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Code Issues Releases Activity

NCA changes.

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This commit is contained in:
Pablo Curiel 2020-10-02 22:37:05 -04:00
parent d440d88bbe
commit fa1b9c70a5
3 changed files with 45 additions and 19 deletions
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6
code_templates/system_title_dumper.c
View file

@ -65,7 +65,7 @@ static void dumpPartitionFs(TitleInfo *info, NcaFsSectionContext *nca_fs_ctx)
}
snprintf(path, sizeof(path), OUTPATH "/%016lX - %s/%s (%s)/Section %u (%s)", info->meta_key.id, info->app_metadata->lang_entry.name, ((NcaContext*)nca_fs_ctx->nca_ctx)->content_id_str, \
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx->section_type));
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx));
utilsCreateDirectoryTree(path, true);
path_len = strlen(path);
@ -141,7 +141,7 @@ static void dumpRomFs(TitleInfo *info, NcaFsSectionContext *nca_fs_ctx)
}
snprintf(path, sizeof(path), OUTPATH "/%016lX - %s/%s (%s)/Section %u (%s)", info->meta_key.id, info->app_metadata->lang_entry.name, ((NcaContext*)nca_fs_ctx->nca_ctx)->content_id_str, \
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx->section_type));
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx));
utilsCreateDirectoryTree(path, true);
path_len = strlen(path);
@ -306,7 +306,7 @@ int main(int argc, char *argv[])
} else
if (menu == 2)
{
printf("fs section #%u (%s)\n", i + 1, ncaGetFsSectionTypeName(nca_ctx->fs_contexts[i].section_type));
printf("fs section #%u (%s)\n", i + 1, ncaGetFsSectionTypeName(&(nca_ctx->fs_contexts[i])));
}
}

48
source/nca.c
View file

@ -38,14 +38,6 @@ static const u8 g_nca0KeyAreaHash[SHA256_HASH_SIZE] = {
0xFF, 0x6B, 0x25, 0xEF, 0x9F, 0x96, 0x85, 0x28, 0x18, 0x9E, 0x76, 0xB0, 0x92, 0xF0, 0x6A, 0xCB
};
static const char *g_ncaFsSectionTypeNames[] = {
[NcaFsSectionType_PartitionFs] = "Partition FS",
[NcaFsSectionType_RomFs] = "RomFS",
[NcaFsSectionType_PatchRomFs] = "Patch RomFS [BKTR]",
[NcaFsSectionType_Nca0RomFs] = "NCA0 RomFS",
[NcaFsSectionType_Invalid] = "Invalid"
};
/* Function prototypes. */
NX_INLINE bool ncaIsFsInfoEntryValid(NcaFsInfo *fs_info);
@ -112,6 +104,8 @@ bool ncaInitializeContext(NcaContext *out, u8 storage_id, u8 hfs_partition_type,
memcpy(&(out->content_id), &(content_info->content_id), sizeof(NcmContentId));
utilsGenerateHexStringFromData(out->content_id_str, sizeof(out->content_id_str), out->content_id.c, sizeof(out->content_id.c));
utilsGenerateHexStringFromData(out->hash_str, sizeof(out->hash_str), out->hash, sizeof(out->hash)); /* Placeholder, needs to be manually calculated. */
out->content_type = content_info->content_type;
out->id_offset = content_info->id_offset;
@ -323,10 +317,31 @@ void ncaWriteHierarchicalIntegrityPatchToMemoryBuffer(NcaContext *ctx, NcaHierar
for(u32 i = 0; i < NCA_IVFC_LEVEL_COUNT; i++) ncaWriteHashDataPatchToMemoryBuffer(ctx, &(patch->hash_level_patch[i]), buf, buf_size, buf_offset);
}
const char *ncaGetFsSectionTypeName(u8 section_type)
const char *ncaGetFsSectionTypeName(NcaFsSectionContext *ctx)
{
u8 idx = (section_type > NcaFsSectionType_Invalid ? NcaFsSectionType_Invalid : section_type);
return g_ncaFsSectionTypeNames[idx];
NcaContext *nca_ctx = NULL;
const char *str = "Invalid";
if (!ctx || !ctx->enabled || !(nca_ctx = (NcaContext*)ctx->nca_ctx)) return str;
switch(ctx->section_type)
{
case NcaFsSectionType_PartitionFs:
str = ((nca_ctx->content_type == NcmContentType_Program && ctx->section_num == 0) ? "ExeFS" : "Partition FS");
break;
case NcaFsSectionType_RomFs:
str = "RomFS";
break;
case NcaFsSectionType_PatchRomFs:
str = "Patch RomFS [BKTR]";
break;
case NcaFsSectionType_Nca0RomFs:
str = "NCA0 RomFS";
break;
default:
break;
}
return str;
}
void ncaRemoveTitlekeyCrypto(NcaContext *ctx)
@ -411,6 +426,17 @@ bool ncaEncryptHeader(NcaContext *ctx)
return true;
}
void ncaUpdateContentIdAndHash(NcaContext *ctx, u8 hash[SHA256_HASH_SIZE])
{
if (!ctx) return;
memcpy(ctx->content_id.c, hash, sizeof(ctx->content_id.c));
utilsGenerateHexStringFromData(ctx->content_id_str, sizeof(ctx->content_id_str), ctx->content_id.c, sizeof(ctx->content_id.c));
memcpy(ctx->hash, hash, sizeof(ctx->hash));
utilsGenerateHexStringFromData(ctx->hash_str, sizeof(ctx->hash_str), ctx->hash, sizeof(ctx->hash));
}
NX_INLINE bool ncaIsFsInfoEntryValid(NcaFsInfo *fs_info)
{
if (!fs_info) return false;

10
source/nca.h
View file

@ -393,8 +393,8 @@ bool ncaGenerateHierarchicalIntegrityPatch(NcaFsSectionContext *ctx, const void
/// 'buf_offset' must hold the raw NCA offset where the data stored in 'buf' was read from.
void ncaWriteHierarchicalIntegrityPatchToMemoryBuffer(NcaContext *ctx, NcaHierarchicalIntegrityPatch *patch, void *buf, u64 buf_size, u64 buf_offset);
/// Returns a pointer to a string holding the name of the provided NCA FS section type.
const char *ncaGetFsSectionTypeName(u8 section_type);
/// Returns a pointer to a string holding the name of the section type from the provided NCA FS section context.
const char *ncaGetFsSectionTypeName(NcaFsSectionContext *ctx);
@ -410,6 +410,8 @@ void ncaRemoveTitlekeyCrypto(NcaContext *ctx);
/// Encrypts NCA header and NCA FS headers from a NCA context.
bool ncaEncryptHeader(NcaContext *ctx);
/// Updates the content ID and hash from a NCA context using a provided SHA-256 checksum.
void ncaUpdateContentIdAndHash(NcaContext *ctx, u8 hash[SHA256_HASH_SIZE]);
@ -424,9 +426,7 @@ bool ncaEncryptHeader(NcaContext *ctx);
/// Miscellaneous functions.
/// Helper inline functions.
NX_INLINE void ncaSetDownloadDistributionType(NcaContext *ctx)
{