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libs: begin adding capacity for doing crypto on generic os (using externally-preset keys)

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This commit is contained in:
Michael Scire
2022-03-07 09:21:13 -08:00
committed by SciresM
parent 6368d8063a
commit 706b8492fd
28 changed files with 1305 additions and 33 deletions
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14
libraries/libstratosphere/source/fssystem/fssystem_nca_file_system_driver.cpp
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@@ -302,16 +302,13 @@ namespace ams::fssystem {
}
Result NcaFileSystemDriver::OpenStorage(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<IAsynchronousAccessSplitter> *out_splitter, NcaFsHeaderReader *out_header_reader, s32 fs_index) {
/* Create a storage context. */
StorageContext ctx{};
Result NcaFileSystemDriver::OpenStorageWithContext(std::shared_ptr<fs::IStorage> *out, std::shared_ptr<IAsynchronousAccessSplitter> *out_splitter, NcaFsHeaderReader *out_header_reader, s32 fs_index, StorageContext *ctx) {
/* Open storage. */
R_TRY(this->OpenStorageImpl(out, out_header_reader, fs_index, std::addressof(ctx)));
R_TRY(this->OpenStorageImpl(out, out_header_reader, fs_index, ctx));
/* If we have a compressed storage, use it as splitter. */
if (ctx.compressed_storage != nullptr) {
*out_splitter = std::move(ctx.compressed_storage);
if (ctx->compressed_storage != nullptr) {
*out_splitter = std::move(ctx->compressed_storage);
} else {
/* Otherwise, allocate a default splitter. */
*out_splitter = fssystem::AllocateShared<DefaultAsynchronousAccessSplitter>();
@@ -427,6 +424,9 @@ namespace ams::fssystem {
/* Open original indirectable storage. */
R_TRY(original_driver.OpenIndirectableStorageAsOriginal(std::addressof(original_indirectable_storage), std::addressof(original_header_reader), ctx));
} else if (ctx != nullptr && ctx->external_original_storage != nullptr) {
/* Use the external original storage. */
original_indirectable_storage = ctx->external_original_storage;
} else {
/* Allocate a dummy memory storage as original storage. */
original_indirectable_storage = fssystem::AllocateShared<fs::MemoryStorage>(nullptr, 0);