From 94afffe9e5367efd4deb988e6043b962afdb9ead Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sat, 21 Sep 2019 21:50:36 -0400
Subject: [PATCH] pl_u: Use OSS system archives if real archives don't exist
---
.../file_sys/system_archive/shared_font.cpp | 3 +-
src/core/hle/service/ns/pl_u.cpp | 148 +++++-------------
src/core/hle/service/ns/pl_u.h | 2 +-
3 files changed, 42 insertions(+), 111 deletions(-)
diff --git a/src/core/file_sys/system_archive/shared_font.cpp b/src/core/file_sys/system_archive/shared_font.cpp
index 2c05eb42e..8613a39b7 100644
--- a/src/core/file_sys/system_archive/shared_font.cpp
+++ b/src/core/file_sys/system_archive/shared_font.cpp
@@ -23,8 +23,7 @@ VirtualFile PackBFTTF(const std::array<u8, Size>& data, const std::string& name)
std::vector<u8> bfttf(Size + sizeof(u64));
- u64 offset = 0;
- Service::NS::EncryptSharedFont(vec, bfttf, offset);
+ Service::NS::EncryptSharedFont(vec, bfttf);
return std::make_shared<VectorVfsFile>(std::move(bfttf), name);
}
diff --git a/src/core/hle/service/ns/pl_u.cpp b/src/core/hle/service/ns/pl_u.cpp
index 6d6fdb4ed..08f7a2412 100644
--- a/src/core/hle/service/ns/pl_u.cpp
+++ b/src/core/hle/service/ns/pl_u.cpp
@@ -17,6 +17,7 @@
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs.h"
+#include "core/file_sys/system_archive/system_archive.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/service/filesystem/filesystem.h"
@@ -87,10 +88,8 @@ static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMem
offset += transformed_font.size() * sizeof(u32);
}
-static void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output,
- std::size_t& offset) {
- ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE,
- "Shared fonts exceeds 17mb!");
+static void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output) {
+ ASSERT_MSG(input.size() * sizeof(u32) < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!");
const auto key = Common::swap32(EXPECTED_RESULT ^ EXPECTED_MAGIC);
std::vector<u32> transformed_font(input.size() + 2);
@@ -98,9 +97,7 @@ static void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemo
transformed_font[1] = Common::swap32(input.size() * sizeof(u32)) ^ key;
std::transform(input.begin(), input.end(), transformed_font.begin() + 2,
[key](u32 in) { return in ^ key; });
- std::memcpy(output.data() + offset, transformed_font.data(),
- transformed_font.size() * sizeof(u32));
- offset += transformed_font.size() * sizeof(u32);
+ std::memcpy(output.data(), transformed_font.data(), transformed_font.size() * sizeof(u32));
}
// Helper function to make BuildSharedFontsRawRegions a bit nicer
@@ -161,114 +158,49 @@ PL_U::PL_U() : ServiceFramework("pl:u"), impl{std::make_unique<Impl>()} {
// Attempt to load shared font data from disk
const auto* nand = FileSystem::GetSystemNANDContents();
std::size_t offset = 0;
- // Rebuild shared fonts from data ncas
- if (nand->HasEntry(static_cast<u64>(FontArchives::Standard),
- FileSys::ContentRecordType::Data)) {
- impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
- for (auto font : SHARED_FONTS) {
- const auto nca =
- nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
- if (!nca) {
- LOG_ERROR(Service_NS, "Failed to find {:016X}! Skipping",
- static_cast<u64>(font.first));
- continue;
- }
- const auto romfs = nca->GetRomFS();
- if (!romfs) {
- LOG_ERROR(Service_NS, "{:016X} has no RomFS! Skipping",
- static_cast<u64>(font.first));
- continue;
- }
- const auto extracted_romfs = FileSys::ExtractRomFS(romfs);
- if (!extracted_romfs) {
- LOG_ERROR(Service_NS, "Failed to extract RomFS for {:016X}! Skipping",
- static_cast<u64>(font.first));
- continue;
- }
- const auto font_fp = extracted_romfs->GetFile(font.second);
- if (!font_fp) {
- LOG_ERROR(Service_NS, "{:016X} has no file \"{}\"! Skipping",
- static_cast<u64>(font.first), font.second);
- continue;
- }
- std::vector<u32> font_data_u32(font_fp->GetSize() / sizeof(u32));
- font_fp->ReadBytes<u32>(font_data_u32.data(), font_fp->GetSize());
- // We need to be BigEndian as u32s for the xor encryption
- std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(),
- Common::swap32);
- FontRegion region{
- static_cast<u32>(offset + 8),
- static_cast<u32>((font_data_u32.size() * sizeof(u32)) -
- 8)}; // Font offset and size do not account for the header
- DecryptSharedFont(font_data_u32, *impl->shared_font, offset);
- impl->shared_font_regions.push_back(region);
+ // Rebuild shared fonts from data ncas or synthesize
+
+ impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
+ for (auto font : SHARED_FONTS) {
+ FileSys::VirtualFile romfs;
+ const auto nca =
+ nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
+ if (nca) {
+ romfs = nca->GetRomFS();
}
- } else {
- impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(
- SHARED_FONT_MEM_SIZE); // Shared memory needs to always be allocated and a fixed size
-
- const std::string user_path = FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir);
- const std::string filepath{user_path + SHARED_FONT};
-
- // Create path if not already created
- if (!FileUtil::CreateFullPath(filepath)) {
- LOG_ERROR(Service_NS, "Failed to create sharedfonts path \"{}\"!", filepath);
- return;
+ if (!romfs) {
+ romfs = FileSys::SystemArchive::SynthesizeSystemArchive(static_cast<u64>(font.first));
}
- bool using_ttf = false;
- for (const char* font_ttf : SHARED_FONTS_TTF) {
- if (FileUtil::Exists(user_path + font_ttf)) {
- using_ttf = true;
- FileUtil::IOFile file(user_path + font_ttf, "rb");
- if (file.IsOpen()) {
- std::vector<u8> ttf_bytes(file.GetSize());
- file.ReadBytes<u8>(ttf_bytes.data(), ttf_bytes.size());
- FontRegion region{
- static_cast<u32>(offset + 8),
- static_cast<u32>(ttf_bytes.size())}; // Font offset and size do not account
- // for the header
- EncryptSharedFont(ttf_bytes, *impl->shared_font, offset);
- impl->shared_font_regions.push_back(region);
- } else {
- LOG_WARNING(Service_NS, "Unable to load font: {}", font_ttf);
- }
- } else if (using_ttf) {
- LOG_WARNING(Service_NS, "Unable to find font: {}", font_ttf);
- }
+ if (!romfs) {
+ LOG_ERROR(Service_NS, "Failed to find or synthesize {:016X}! Skipping",
+ static_cast<u64>(font.first));
+ continue;
}
- if (using_ttf)
- return;
- FileUtil::IOFile file(filepath, "rb");
- if (file.IsOpen()) {
- // Read shared font data
- ASSERT(file.GetSize() == SHARED_FONT_MEM_SIZE);
- file.ReadBytes(impl->shared_font->data(), impl->shared_font->size());
- impl->BuildSharedFontsRawRegions(*impl->shared_font);
- } else {
- LOG_WARNING(Service_NS,
- "Shared Font file missing. Loading open source replacement from memory");
-
- // clang-format off
- const std::vector<std::vector<u8>> open_source_shared_fonts_ttf = {
- {std::begin(FontChineseSimplified), std::end(FontChineseSimplified)},
- {std::begin(FontChineseTraditional), std::end(FontChineseTraditional)},
- {std::begin(FontExtendedChineseSimplified), std::end(FontExtendedChineseSimplified)},
- {std::begin(FontKorean), std::end(FontKorean)},
- {std::begin(FontNintendoExtended), std::end(FontNintendoExtended)},
- {std::begin(FontStandard), std::end(FontStandard)},
- };
- // clang-format on
-
- for (const std::vector<u8>& font_ttf : open_source_shared_fonts_ttf) {
- const FontRegion region{static_cast<u32>(offset + 8),
- static_cast<u32>(font_ttf.size())};
- EncryptSharedFont(font_ttf, *impl->shared_font, offset);
- impl->shared_font_regions.push_back(region);
- }
+ const auto extracted_romfs = FileSys::ExtractRomFS(romfs);
+ if (!extracted_romfs) {
+ LOG_ERROR(Service_NS, "Failed to extract RomFS for {:016X}! Skipping",
+ static_cast<u64>(font.first));
+ continue;
}
+ const auto font_fp = extracted_romfs->GetFile(font.second);
+ if (!font_fp) {
+ LOG_ERROR(Service_NS, "{:016X} has no file \"{}\"! Skipping",
+ static_cast<u64>(font.first), font.second);
+ continue;
+ }
+ std::vector<u32> font_data_u32(font_fp->GetSize() / sizeof(u32));
+ font_fp->ReadBytes<u32>(font_data_u32.data(), font_fp->GetSize());
+ // We need to be BigEndian as u32s for the xor encryption
+ std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(),
+ Common::swap32);
+ // Font offset and size do not account for the header
+ const FontRegion region{static_cast<u32>(offset + 8),
+ static_cast<u32>((font_data_u32.size() * sizeof(u32)) - 8)};
+ DecryptSharedFont(font_data_u32, *impl->shared_font, offset);
+ impl->shared_font_regions.push_back(region);
}
}
diff --git a/src/core/hle/service/ns/pl_u.h b/src/core/hle/service/ns/pl_u.h
index d62459667..08574c6b4 100644
--- a/src/core/hle/service/ns/pl_u.h
+++ b/src/core/hle/service/ns/pl_u.h
@@ -9,7 +9,7 @@
namespace Service::NS {
-void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, std::size_t& offset);
+void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output);
class PL_U final : public ServiceFramework<PL_U> {
public: