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file_sys/content_archive: Detect compressed NCAs (#11047)

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Tobias 2023-07-12 23:17:18 +02:00 committed by GitHub
parent 28598c9090
commit 04868ab9da
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 40 additions and 1 deletions
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39
src/core/file_sys/content_archive.cpp
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@ -57,11 +57,34 @@ struct NCASectionHeaderBlock {
};
static_assert(sizeof(NCASectionHeaderBlock) == 0x8, "NCASectionHeaderBlock has incorrect size.");
struct NCABucketInfo {
u64 table_offset;
u64 table_size;
std::array<u8, 0x10> table_header;
};
static_assert(sizeof(NCABucketInfo) == 0x20, "NCABucketInfo has incorrect size.");
struct NCASparseInfo {
NCABucketInfo bucket;
u64 physical_offset;
u16 generation;
INSERT_PADDING_BYTES_NOINIT(0x6);
};
static_assert(sizeof(NCASparseInfo) == 0x30, "NCASparseInfo has incorrect size.");
struct NCACompressionInfo {
NCABucketInfo bucket;
INSERT_PADDING_BYTES_NOINIT(0x8);
};
static_assert(sizeof(NCACompressionInfo) == 0x28, "NCACompressionInfo has incorrect size.");
struct NCASectionRaw {
NCASectionHeaderBlock header;
std::array<u8, 0x138> block_data;
std::array<u8, 0x8> section_ctr;
INSERT_PADDING_BYTES_NOINIT(0xB8);
NCASparseInfo sparse_info;
NCACompressionInfo compression_info;
INSERT_PADDING_BYTES_NOINIT(0x60);
};
static_assert(sizeof(NCASectionRaw) == 0x200, "NCASectionRaw has incorrect size.");
@ -225,6 +248,20 @@ bool NCA::ReadSections(const std::vector<NCASectionHeader>& sections, u64 bktr_b
for (std::size_t i = 0; i < sections.size(); ++i) {
const auto& section = sections[i];
if (section.raw.sparse_info.bucket.table_offset != 0 &&
section.raw.sparse_info.bucket.table_size != 0) {
LOG_ERROR(Loader, "Sparse NCAs are not supported.");
status = Loader::ResultStatus::ErrorSparseNCA;
return false;
}
if (section.raw.compression_info.bucket.table_offset != 0 &&
section.raw.compression_info.bucket.table_size != 0) {
LOG_ERROR(Loader, "Compressed NCAs are not supported.");
status = Loader::ResultStatus::ErrorCompressedNCA;
return false;
}
if (section.raw.header.filesystem_type == NCASectionFilesystemType::ROMFS) {
if (!ReadRomFSSection(section, header.section_tables[i], bktr_base_ivfc_offset)) {
return false;

2
src/core/loader/loader.h
View file

@ -79,6 +79,8 @@ enum class ResultStatus : u16 {
ErrorBadPFSHeader,
ErrorIncorrectPFSFileSize,
ErrorBadNCAHeader,
ErrorCompressedNCA,
ErrorSparseNCA,
ErrorMissingProductionKeyFile,
ErrorMissingHeaderKey,
ErrorIncorrectHeaderKey,