From 40284c68685a1796402a6909584345baf9f99348 Mon Sep 17 00:00:00 2001 From: Zach Hilman 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 | 157 ++++++------------ 2 files changed, 48 insertions(+), 112 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& data, const std::string& name) std::vector bfttf(Size + sizeof(u64)); - u64 offset = 0; - Service::NS::EncryptSharedFont(vec, bfttf, offset); + Service::NS::EncryptSharedFont(vec, bfttf); return std::make_shared(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 f64535237..bafba3d2f 100644 --- a/src/core/hle/service/ns/pl_u.cpp +++ b/src/core/hle/service/ns/pl_u.cpp @@ -24,6 +24,7 @@ #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" @@ -94,15 +95,16 @@ static void DecryptSharedFont(const std::vector& input, Kernel::PhysicalMem offset += transformed_font.size() * sizeof(u32); } -static void EncryptSharedFont(const std::vector& input, Kernel::PhysicalMemory& output, - std::size_t& offset) { - ASSERT_MSG(offset + input.size() + 8 < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!"); - const u32 KEY = EXPECTED_MAGIC ^ EXPECTED_RESULT; - std::memcpy(output.data() + offset, &EXPECTED_RESULT, sizeof(u32)); // Magic header - const u32 ENC_SIZE = static_cast(input.size()) ^ KEY; - std::memcpy(output.data() + offset + sizeof(u32), &ENC_SIZE, sizeof(u32)); - std::memcpy(output.data() + offset + (sizeof(u32) * 2), input.data(), input.size()); - offset += input.size() + (sizeof(u32) * 2); +static void EncryptSharedFont(const std::vector& 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 transformed_font(input.size() + 2); + transformed_font[0] = Common::swap32(EXPECTED_MAGIC); + 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(), transformed_font.data(), transformed_font.size() * sizeof(u32)); } // Helper function to make BuildSharedFontsRawRegions a bit nicer @@ -168,114 +170,49 @@ PL_U::PL_U(Core::System& system) // Attempt to load shared font data from disk const auto* nand = fsc.GetSystemNANDContents(); std::size_t offset = 0; - // Rebuild shared fonts from data ncas - if (nand->HasEntry(static_cast(FontArchives::Standard), - FileSys::ContentRecordType::Data)) { - impl->shared_font = std::make_shared(SHARED_FONT_MEM_SIZE); - for (auto font : SHARED_FONTS) { - const auto nca = - nand->GetEntry(static_cast(font.first), FileSys::ContentRecordType::Data); - if (!nca) { - LOG_ERROR(Service_NS, "Failed to find {:016X}! Skipping", - static_cast(font.first)); - continue; - } - const auto romfs = nca->GetRomFS(); - if (!romfs) { - LOG_ERROR(Service_NS, "{:016X} has no RomFS! Skipping", - static_cast(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(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(font.first), font.second); - continue; - } - std::vector font_data_u32(font_fp->GetSize() / sizeof(u32)); - font_fp->ReadBytes(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(offset + 8), - static_cast((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(SHARED_FONT_MEM_SIZE); + for (auto font : SHARED_FONTS) { + FileSys::VirtualFile romfs; + const auto nca = + nand->GetEntry(static_cast(font.first), FileSys::ContentRecordType::Data); + if (nca) { + romfs = nca->GetRomFS(); } - } else { - impl->shared_font = std::make_shared( - 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(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 ttf_bytes(file.GetSize()); - file.ReadBytes(ttf_bytes.data(), ttf_bytes.size()); - FontRegion region{ - static_cast(offset + 8), - static_cast(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(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> 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& font_ttf : open_source_shared_fonts_ttf) { - const FontRegion region{static_cast(offset + 8), - static_cast(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(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(font.first), font.second); + continue; + } + std::vector font_data_u32(font_fp->GetSize() / sizeof(u32)); + font_fp->ReadBytes(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(offset + 8), + static_cast((font_data_u32.size() * sizeof(u32)) - 8)}; + DecryptSharedFont(font_data_u32, *impl->shared_font, offset); + impl->shared_font_regions.push_back(region); } }