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submission_package: Move ticket key setting to its own function 

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
View File

@ -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") {