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submission_package: Move ticket key setting to its own function

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This behavior is entirely independent of the surrounding code, so it can
be put in its own function to keep the behavior separate.
This commit is contained in:
Lioncash 2018-10-03 01:20:54 -04:00
parent 0d83f8f255
commit 4f18d35888
1 changed files with 28 additions and 21 deletions
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49
src/core/file_sys/submission_package.cpp
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@ -18,6 +18,33 @@
#include "core/loader/loader.h" #include "core/loader/loader.h"
namespace FileSys { namespace FileSys {
namespace {
void SetTicketKeys(const std::vector<VirtualFile>& files) {
Core::Crypto::KeyManager keys;
for (const auto& ticket_file : files) {
if (ticket_file->GetExtension() != "tik") {
continue;
}
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
Core::Crypto::Key128 key{};
ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
std::string_view name_only(ticket_file->GetName());
name_only.remove_suffix(4);
const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
u128 rights_id;
std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
}
}
} // Anonymous namespace
NSP::NSP(VirtualFile file_) NSP::NSP(VirtualFile file_)
: file(std::move(file_)), status{Loader::ResultStatus::Success}, : file(std::move(file_)), status{Loader::ResultStatus::Success},
pfs(std::make_shared<PartitionFilesystem>(file)) { pfs(std::make_shared<PartitionFilesystem>(file)) {
@ -43,27 +70,7 @@ NSP::NSP(VirtualFile file_)
extracted = false; extracted = false;
const auto files = pfs->GetFiles(); const auto files = pfs->GetFiles();
Core::Crypto::KeyManager keys; SetTicketKeys(files);
for (const auto& ticket_file : files) {
if (ticket_file->GetExtension() != "tik") {
continue;
}
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
Core::Crypto::Key128 key{};
ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
std::string_view name_only(ticket_file->GetName());
name_only.remove_suffix(4);
const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
u128 rights_id;
std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
}
for (const auto& outer_file : files) { for (const auto& outer_file : files) {
if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") { if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {