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authorliamwhite <liamwhite@users.noreply.github.com>2023-09-10 19:40:39 +0200
committerGitHub <noreply@github.com>2023-09-10 19:40:39 +0200
commit64130d9f01c15bc021d3802e484b5a480911e5cc (patch)
tree88a1905a2dce48c34c77fc258b47b4aea66107a9 /src/core/loader/nsp.cpp
parentMerge pull request #11465 from Kelebek1/skip_remaining_reset (diff)
parentcore: implement basic integrity verification (diff)
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Diffstat (limited to 'src/core/loader/nsp.cpp')
-rw-r--r--src/core/loader/nsp.cpp36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/core/loader/nsp.cpp b/src/core/loader/nsp.cpp
index f9b2549a3..fe2af1ae6 100644
--- a/src/core/loader/nsp.cpp
+++ b/src/core/loader/nsp.cpp
@@ -117,6 +117,42 @@ AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::KProcess& process, Core::S
return result;
}
+ResultStatus AppLoader_NSP::VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) {
+ // Extracted-type NSPs can't be verified.
+ if (nsp->IsExtractedType()) {
+ return ResultStatus::ErrorIntegrityVerificationNotImplemented;
+ }
+
+ // Get list of all NCAs.
+ const auto ncas = nsp->GetNCAsCollapsed();
+
+ size_t total_size = 0;
+ size_t processed_size = 0;
+
+ // Loop over NCAs, collecting the total size to verify.
+ for (const auto& nca : ncas) {
+ total_size += nca->GetBaseFile()->GetSize();
+ }
+
+ // Loop over NCAs again, verifying each.
+ for (const auto& nca : ncas) {
+ AppLoader_NCA loader_nca(nca->GetBaseFile());
+
+ const auto NcaProgressCallback = [&](size_t nca_processed_size, size_t nca_total_size) {
+ return progress_callback(processed_size + nca_processed_size, total_size);
+ };
+
+ const auto verification_result = loader_nca.VerifyIntegrity(NcaProgressCallback);
+ if (verification_result != ResultStatus::Success) {
+ return verification_result;
+ }
+
+ processed_size += nca->GetBaseFile()->GetSize();
+ }
+
+ return ResultStatus::Success;
+}
+
ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& out_file) {
return secondary_loader->ReadRomFS(out_file);
}