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Code Issues Releases Activity

registered_cache: Add support for removing folder ncas

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This commit is contained in:
Morph 2020-07-20 10:28:44 -04:00
parent b317942131
commit 2ec852dd9f
2 changed files with 54 additions and 53 deletions
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101
src/core/file_sys/registered_cache.cpp
View file

@ -547,56 +547,6 @@ InstallResult RegisteredCache::InstallEntry(const XCI& xci, bool overwrite_if_ex
return InstallEntry(*xci.GetSecurePartitionNSP(), overwrite_if_exists, copy);
}
bool RegisteredCache::RemoveExistingEntry(u64 title_id) {
const auto delete_nca = [this](const NcaID& id) {
const auto path = GetRelativePathFromNcaID(id, false, true, false);
if (dir->GetFileRelative(path) == nullptr) {
return false;
}
Core::Crypto::SHA256Hash hash{};
mbedtls_sha256_ret(id.data(), id.size(), hash.data(), 0);
const auto dirname = fmt::format("000000{:02X}", hash[0]);
const auto dir2 = GetOrCreateDirectoryRelative(dir, dirname);
const auto res = dir2->DeleteFile(fmt::format("{}.nca", Common::HexToString(id, false)));
return res;
};
// If an entry exists in the registered cache, remove it
if (HasEntry(title_id, ContentRecordType::Meta)) {
LOG_INFO(Loader,
"Previously installed entry (v{}) for title_id={:016X} detected! "
"Attempting to remove...",
GetEntryVersion(title_id).value_or(0), title_id);
// Get all the ncas associated with the current CNMT and delete them
const auto meta_old_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{});
const auto program_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Program).value_or(NcaID{});
const auto data_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Data).value_or(NcaID{});
const auto control_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Control).value_or(NcaID{});
const auto html_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::HtmlDocument).value_or(NcaID{});
const auto legal_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::LegalInformation).value_or(NcaID{});
delete_nca(meta_old_id);
delete_nca(program_id);
delete_nca(data_id);
delete_nca(control_id);
delete_nca(html_id);
delete_nca(legal_id);
return true;
}
return false;
}
InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_exists,
const VfsCopyFunction& copy) {
const auto ncas = nsp.GetNCAsCollapsed();
@ -692,6 +642,57 @@ InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
}
bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
const auto delete_nca = [this](const NcaID& id) {
const auto path = GetRelativePathFromNcaID(id, false, true, false);
const bool isFile = dir->GetFileRelative(path) != nullptr;
const bool isDir = dir->GetDirectoryRelative(path) != nullptr;
if (isFile) {
return dir->DeleteFile(path);
} else if (isDir) {
return dir->DeleteSubdirectoryRecursive(path);
}
return false;
};
// If an entry exists in the registered cache, remove it
if (HasEntry(title_id, ContentRecordType::Meta)) {
LOG_INFO(Loader,
"Previously installed entry (v{}) for title_id={:016X} detected! "
"Attempting to remove...",
GetEntryVersion(title_id).value_or(0), title_id);
// Get all the ncas associated with the current CNMT and delete them
const auto meta_old_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Meta).value_or(NcaID{});
const auto program_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Program).value_or(NcaID{});
const auto data_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Data).value_or(NcaID{});
const auto control_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::Control).value_or(NcaID{});
const auto html_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::HtmlDocument).value_or(NcaID{});
const auto legal_id =
GetNcaIDFromMetadata(title_id, ContentRecordType::LegalInformation).value_or(NcaID{});
const auto deleted_meta = delete_nca(meta_old_id);
const auto deleted_program = delete_nca(program_id);
const auto deleted_data = delete_nca(data_id);
const auto deleted_control = delete_nca(control_id);
const auto deleted_html = delete_nca(html_id);
const auto deleted_legal = delete_nca(legal_id);
return deleted_meta && (deleted_meta || deleted_program || deleted_data ||
deleted_control || deleted_html || deleted_legal);
}
return false;
}
InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFunction& copy,
bool overwrite_if_exists,
std::optional<NcaID> override_id) {

6
src/core/file_sys/registered_cache.h
View file

@ -155,9 +155,6 @@ public:
std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
std::optional<u64> title_id = {}) const override;
// Removes an existing entry based on title id
bool RemoveExistingEntry(u64 title_id);
// Raw copies all the ncas from the xci/nsp to the csache. Does some quick checks to make sure
// there is a meta NCA and all of them are accessible.
InstallResult InstallEntry(const XCI& xci, bool overwrite_if_exists = false,
@ -172,6 +169,9 @@ public:
InstallResult InstallEntry(const NCA& nca, TitleType type, bool overwrite_if_exists = false,
const VfsCopyFunction& copy = &VfsRawCopy);
// Removes an existing entry based on title id
bool RemoveExistingEntry(u64 title_id) const;
private:
template <typename T>
void IterateAllMetadata(std::vector<T>& out,