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patch_manager: Add support for IPSwitch format patches

This commit is contained in:
Zach Hilman 2018-09-30 18:13:38 -04:00
parent 306739c2c4
commit 8886f2e55e
1 changed files with 55 additions and 21 deletions
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60
src/core/file_sys/patch_manager.cpp
View File

@ -73,27 +73,38 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
return exefs;
}
static std::vector<VirtualFile> CollectIPSPatches(const std::vector<VirtualDir>& patch_dirs,
static std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
const std::string& build_id) {
std::vector<VirtualFile> ips;
std::vector<VirtualFile> out;
ips.reserve(patch_dirs.size());
for (const auto& subdir : patch_dirs) {
auto exefs_dir = subdir->GetSubdirectory("exefs");
if (exefs_dir != nullptr) {
for (const auto& file : exefs_dir->GetFiles()) {
if (file->GetExtension() != "ips")
continue;
if (file->GetExtension() == "ips") {
auto name = file->GetName();
const auto p1 = name.substr(0, name.find('.'));
const auto this_build_id = p1.substr(0, p1.find_last_not_of('0') + 1);
if (build_id == this_build_id)
ips.push_back(file);
out.push_back(file);
} else if (file->GetExtension() == "pchtxt") {
IPSwitchCompiler compiler{file};
if (!compiler.IsValid())
continue;
auto this_build_id = Common::HexArrayToString(compiler.GetBuildID());
this_build_id =
this_build_id.substr(0, this_build_id.find_last_not_of('0') + 1);
if (build_id == this_build_id)
out.push_back(file);
}
}
}
}
return ips;
return out;
}
std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
@ -115,15 +126,24 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
auto patch_dirs = load_dir->GetSubdirectories();
std::sort(patch_dirs.begin(), patch_dirs.end(),
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
const auto ips = CollectIPSPatches(patch_dirs, build_id);
const auto patches = CollectPatches(patch_dirs, build_id);
auto out = nso;
for (const auto& ips_file : ips) {
LOG_INFO(Loader, " - Appling IPS patch from mod \"{}\"",
ips_file->GetContainingDirectory()->GetParentDirectory()->GetName());
const auto patched = PatchIPS(std::make_shared<VectorVfsFile>(out), ips_file);
for (const auto& patch_file : patches) {
if (patch_file->GetExtension() == "ips") {
LOG_INFO(Loader, " - Applying IPS patch from mod \"{}\"",
patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
const auto patched = PatchIPS(std::make_shared<VectorVfsFile>(out), patch_file);
if (patched != nullptr)
out = patched->ReadAllBytes();
} else if (patch_file->GetExtension() == "pchtxt") {
LOG_INFO(Loader, " - Applying IPSwitch patch from mod \"{}\"",
patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
const IPSwitchCompiler compiler{patch_file};
const auto patched = compiler.Apply(std::make_shared<VectorVfsFile>(out));
if (patched != nullptr)
out = patched->ReadAllBytes();
}
}
if (out.size() < 0x100)
@ -143,7 +163,7 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
std::sort(patch_dirs.begin(), patch_dirs.end(),
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
return !CollectIPSPatches(patch_dirs, build_id).empty();
return !CollectPatches(patch_dirs, build_id).empty();
}
static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
@ -253,8 +273,22 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
for (const auto& mod : mod_dir->GetSubdirectories()) {
std::string types;
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("exefs")))
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("exefs"))) {
bool ips = false;
bool ipswitch = false;
for (const auto& file : mod->GetSubdirectory("exefs")->GetFiles()) {
if (file->GetExtension() == "ips")
ips = true;
else if (file->GetExtension() == "pchtxt")
ipswitch = true;
}
if (ips)
AppendCommaIfNotEmpty(types, "IPS");
if (ipswitch)
AppendCommaIfNotEmpty(types, "IPSwitch");
}
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs")))
AppendCommaIfNotEmpty(types, "LayeredFS");