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Check for empty section0 and CNMT prior to install

This commit is contained in:
Morph 2020-07-16 05:22:51 -04:00
parent 0ca7b8269a
commit f66e3181dc
1 changed files with 19 additions and 3 deletions
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22
src/core/file_sys/registered_cache.cpp
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@ -566,12 +566,13 @@ bool RegisteredCache::RemoveExistingEntry(u64 title_id) {
return res; return res;
}; };
// If an update exists, remove // If an entry exists in the registered cache, remove it
if (HasEntry(title_id, ContentRecordType::Meta)) { if (HasEntry(title_id, ContentRecordType::Meta)) {
LOG_INFO(Loader, LOG_INFO(Loader,
"Previous Update (v{}) for title_id={:016X} detected! Attempting to remove...", "Previously installed entry (v{}) for title_id={:016X} detected! "
"Attempting to remove...",
GetEntryVersion(title_id).value_or(0), title_id); GetEntryVersion(title_id).value_or(0), title_id);
// Get all the ncas associated with the current update CNMT and delete them // Get all the ncas associated with the current CNMT and delete them
const auto meta_old_id = const auto meta_old_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{}); GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{});
const auto program_id = const auto program_id =
@ -612,7 +613,22 @@ InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_ex
const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32); const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32);
const auto meta_id = Common::HexStringToArray<16>(meta_id_raw); const auto meta_id = Common::HexStringToArray<16>(meta_id_raw);
if ((*meta_iter)->GetSubdirectories().empty()) {
LOG_ERROR(Loader,
"The file you are attempting to install does not contain a section0 within the "
"metadata NCA and is therefore malformed. Verify that the file is valid.");
return InstallResult::ErrorMetaFailed;
}
const auto section0 = (*meta_iter)->GetSubdirectories()[0]; const auto section0 = (*meta_iter)->GetSubdirectories()[0];
if (section0->GetFiles().empty()) {
LOG_ERROR(Loader,
"The file you are attempting to install does not contain a CNMT within the "
"metadata NCA and is therefore malformed. Verify that the file is valid.");
return InstallResult::ErrorMetaFailed;
}
const auto cnmt_file = section0->GetFiles()[0]; const auto cnmt_file = section0->GetFiles()[0];
const CNMT cnmt(cnmt_file); const CNMT cnmt(cnmt_file);