nold/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere synced 2024-12-22 12:21:18 +00:00
Code Issues Projects Releases Packages Wiki Activity

ncm: update client code to better reflect latest sysupdate

Browse source
This commit is contained in:
Michael Scire 2022-03-18 20:11:26 -07:00 committed by SciresM
parent ca142889c4
commit 320a946fc7
28 changed files with 1432 additions and 110 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

100
libraries/libstratosphere/include/stratosphere/kvdb/kvdb_bounded_string.hpp
View file

@ -24,11 +24,6 @@ namespace ams::kvdb {
static_assert(N > 0, "BoundedString requires non-zero backing buffer!"); static_assert(N > 0, "BoundedString requires non-zero backing buffer!");
private: private:
char m_buffer[N]; char m_buffer[N];
private:
/* Utility. */
static inline void CheckLength(size_t len) {
AMS_ABORT_UNLESS(len < N);
}
public: public:
/* Constructors. */ /* Constructors. */
constexpr BoundedString() { constexpr BoundedString() {
@ -36,7 +31,8 @@ namespace ams::kvdb {
} }
explicit constexpr BoundedString(const char *s) { explicit constexpr BoundedString(const char *s) {
this->Set(s); AMS_ABORT_UNLESS(static_cast<size_t>(util::Strnlen(s, N)) < N);
util::Strlcpy(m_buffer, s, N);
} }
/* Static constructors. */ /* Static constructors. */
@ -44,102 +40,114 @@ namespace ams::kvdb {
return BoundedString<N>(s); return BoundedString<N>(s);
} }
static constexpr BoundedString<N> MakeFormat(const char *format, ...) __attribute__((format (printf, 1, 2))) { static BoundedString<N> MakeFormat(const char *format, ...) __attribute__((format (printf, 1, 2))) {
BoundedString<N> string; BoundedString<N> string;
std::va_list args; std::va_list vl;
va_start(args, format); va_start(vl, format);
CheckLength(util::VSNPrintf(string.m_buffer, N, format, args)); AMS_ABORT_UNLESS(static_cast<size_t>(util::VSNPrintf(string.m_buffer, N, format, vl)) < N);
string.m_buffer[N - 1] = 0; va_end(vl);
va_end(args);
return string; return string;
} }
/* Getters. */ /* Getters. */
size_t GetLength() const { constexpr size_t GetLength() const {
return util::Strnlen(m_buffer, N); return util::Strnlen(m_buffer, N);
} }
const char *Get() const { constexpr const char *Get() const {
return m_buffer; return m_buffer;
} }
operator const char *() const { constexpr operator const char *() const {
return m_buffer; return m_buffer;
} }
/* Setters. */ /* Assignment. */
void Set(const char *s) { constexpr BoundedString<N> &Assign(const char *s) {
/* Ensure string can fit in our buffer. */ AMS_ABORT_UNLESS(static_cast<size_t>(util::Strnlen(s, N)) < N);
CheckLength(util::Strnlen(s, N)); util::Strlcpy(m_buffer, s, N);
std::strncpy(m_buffer, s, N);
m_buffer[N - 1] = 0; return *this;
} }
void SetFormat(const char *format, ...) __attribute__((format (printf, 2, 3))) { BoundedString<N> &AssignFormat(const char *format, ...) __attribute__((format (printf, 2, 3))) {
/* Format into the buffer, abort if too large. */ std::va_list vl;
std::va_list args; va_start(vl, format);
va_start(args, format); AMS_ABORT_UNLESS(static_cast<size_t>(util::VSNPrintf(m_buffer, N, format, vl)) < N);
CheckLength(util::VSNPrintf(m_buffer, N, format, args)); va_end(vl);
va_end(args);
return *this;
} }
/* Append to existing. */ /* Append to existing. */
void Append(const char *s) { BoundedString<N> &Append(const char *s) {
const size_t length = GetLength(); const size_t length = GetLength();
CheckLength(length + util::Strnlen(s, N)); AMS_ABORT_UNLESS(length + static_cast<size_t>(util::Strnlen(s, N)) < N);
std::strncat(m_buffer, s, N - length - 1); std::strncat(m_buffer, s, N - length - 1);
return *this;
} }
void Append(char c) { BoundedString<N> &Append(char c) {
const size_t length = GetLength(); const size_t length = GetLength();
CheckLength(length + 1); AMS_ABORT_UNLESS(length + 1 < N);
m_buffer[length] = c; m_buffer[length] = c;
m_buffer[length + 1] = 0; m_buffer[length + 1] = 0;
return *this;
} }
void AppendFormat(const char *format, ...) __attribute__((format (printf, 2, 3))) { BoundedString<N> &AppendFormat(const char *format, ...) __attribute__((format (printf, 2, 3))) {
const size_t length = GetLength(); const size_t length = GetLength();
std::va_list args;
va_start(args, format); std::va_list vl;
CheckLength(util::VSNPrintf(m_buffer + length, N - length, format, args) + length); va_start(vl, format);
va_end(args); AMS_ABORT_UNLESS(static_cast<size_t>(util::VSNPrintf(m_buffer + length, N - length, format, vl)) < static_cast<size_t>(N - length));
va_end(vl);
return *this;
} }
/* Substring utilities. */ /* Substring utilities. */
void GetSubstring(char *dst, size_t dst_size, size_t offset, size_t length) const { void GetSubString(char *dst, size_t dst_size, size_t offset, size_t length) const {
/* Make sure output buffer can hold the substring. */ /* Make sure output buffer can hold the substring. */
AMS_ABORT_UNLESS(offset + length <= GetLength()); AMS_ABORT_UNLESS(offset + length <= GetLength());
AMS_ABORT_UNLESS(dst_size > length); AMS_ABORT_UNLESS(dst_size > length);
/* Copy substring to dst. */ /* Copy substring to dst. */
std::strncpy(dst, m_buffer + offset, length); std::strncpy(dst, m_buffer + offset, length);
dst[length] = 0; dst[length] = 0;
} }
BoundedString<N> GetSubstring(size_t offset, size_t length) const { BoundedString<N> MakeSubString(size_t offset, size_t length) const {
BoundedString<N> string; BoundedString<N> string;
GetSubstring(string.m_buffer, N, offset, length); GetSubString(string.m_buffer, N, offset, length);
return string; return string;
} }
/* Comparison. */ /* Comparison. */
constexpr bool Equals(const char *s, size_t offset = 0) const {
if (std::is_constant_evaluated()) {
return util::Strncmp(m_buffer + offset, s, N - offset) == 0;
} else {
return std::strncmp(m_buffer + offset, s, N - offset) == 0;
}
}
constexpr bool operator==(const BoundedString<N> &rhs) const { constexpr bool operator==(const BoundedString<N> &rhs) const {
return std::strncmp(m_buffer, rhs.m_buffer, N) == 0; return this->Equals(rhs.m_buffer);
} }
constexpr bool operator!=(const BoundedString<N> &rhs) const { constexpr bool operator!=(const BoundedString<N> &rhs) const {
return !(*this == rhs); return !(*this == rhs);
} }
bool EndsWith(const char *s, size_t offset) const { constexpr bool EqualsPostfix(const char *s) const {
return std::strncmp(m_buffer + offset, s, N - offset) == 0;
}
bool EndsWith(const char *s) const {
const size_t suffix_length = util::Strnlen(s, N); const size_t suffix_length = util::Strnlen(s, N);
const size_t length = GetLength(); const size_t length = GetLength();
return suffix_length <= length && EndsWith(s, length - suffix_length); return suffix_length <= length && this->Equals(s, length - suffix_length);
} }
}; };

2
libraries/libstratosphere/include/stratosphere/kvdb/kvdb_file_key_value_cache.hpp
View file

@ -77,7 +77,7 @@ namespace ams::kvdb {
/* Setup member variables. */ /* Setup member variables. */
m_keys = static_cast<Key *>(buf); m_keys = static_cast<Key *>(buf);
m_file_path.Set(path); m_file_path.Assign(path);
std::memset(m_keys, 0, BufferSize); std::memset(m_keys, 0, BufferSize);
/* Open file. */ /* Open file. */

8
libraries/libstratosphere/include/stratosphere/kvdb/kvdb_memory_key_value_store.hpp
View file

@ -269,8 +269,8 @@ namespace ams::kvdb {
R_UNLESS(entry_type == fs::DirectoryEntryType_Directory, fs::ResultPathNotFound()); R_UNLESS(entry_type == fs::DirectoryEntryType_Directory, fs::ResultPathNotFound());
/* Set paths. */ /* Set paths. */
m_path.SetFormat("%s%s", dir, "/imkvdb.arc"); m_path.AssignFormat("%s%s", dir, "/imkvdb.arc");
m_temp_path.SetFormat("%s%s", dir, "/imkvdb.tmp"); m_temp_path.AssignFormat("%s%s", dir, "/imkvdb.tmp");
/* Initialize our index. */ /* Initialize our index. */
R_TRY(m_index.Initialize(capacity, mr)); R_TRY(m_index.Initialize(capacity, mr));
@ -282,8 +282,8 @@ namespace ams::kvdb {
Result Initialize(size_t capacity, MemoryResource *mr) { Result Initialize(size_t capacity, MemoryResource *mr) {
/* This initializes without an archive file. */ /* This initializes without an archive file. */
/* A store initialized this way cannot have its contents loaded from or flushed to disk. */ /* A store initialized this way cannot have its contents loaded from or flushed to disk. */
m_path.Set(""); m_path.Assign("");
m_temp_path.Set(""); m_temp_path.Assign("");
/* Initialize our index. */ /* Initialize our index. */
R_TRY(m_index.Initialize(capacity, mr)); R_TRY(m_index.Initialize(capacity, mr));

19
libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta.hpp
View file

@ -335,6 +335,10 @@ namespace ams::ncm {
size_t CalculateConvertContentMetaSize() const; size_t CalculateConvertContentMetaSize() const;
void ConvertToContentMeta(void *dst, size_t size, const ContentInfo &meta); void ConvertToContentMeta(void *dst, size_t size, const ContentInfo &meta);
size_t CalculateConvertFragmentOnlyInstallContentMetaSize(s32 fragment_count) const {
return CalculateSizeImpl<InstallContentMetaHeader, InstallContentInfo>(this->GetExtendedHeaderSize(), fragment_count + 1, 0, 0, false);
}
Result CalculateConvertFragmentOnlyInstallContentMetaSize(size_t *out_size, u32 source_version) const; Result CalculateConvertFragmentOnlyInstallContentMetaSize(size_t *out_size, u32 source_version) const;
Result ConvertToFragmentOnlyInstallContentMeta(void *dst, size_t size, const InstallContentInfo &content_info, u32 source_version); Result ConvertToFragmentOnlyInstallContentMeta(void *dst, size_t size, const InstallContentInfo &content_info, u32 source_version);
@ -343,6 +347,10 @@ namespace ams::ncm {
static constexpr size_t CalculateSize(ContentMetaType type, size_t content_count, size_t content_meta_count, size_t extended_data_size) { static constexpr size_t CalculateSize(ContentMetaType type, size_t content_count, size_t content_meta_count, size_t extended_data_size) {
return ContentMetaAccessor::CalculateSize(type, content_count, content_meta_count, extended_data_size, true); return ContentMetaAccessor::CalculateSize(type, content_count, content_meta_count, extended_data_size, true);
} }
size_t GetExtendedDataOffset() const {
return this->GetExtendedDataAddress() - reinterpret_cast<uintptr_t>(this->GetData());
}
}; };
class InstallContentMetaReader : public ContentMetaAccessor<InstallContentMetaHeader, InstallContentInfo> { class InstallContentMetaReader : public ContentMetaAccessor<InstallContentMetaHeader, InstallContentInfo> {
@ -368,4 +376,15 @@ namespace ams::ncm {
using ContentMetaAccessor::SetStorageId; using ContentMetaAccessor::SetStorageId;
}; };
class PatchMetaExtendedDataAccessor;
struct PatchDeltaHeader;
class AutoBuffer;
class MetaConverter {
public:
static Result CountContentExceptForMeta(s32 *out, PatchMetaExtendedDataAccessor *accessor, const PatchDeltaHeader &header, s32 delta_index);
static Result FindDeltaIndex(s32 *out, PatchMetaExtendedDataAccessor *accessor, u32 source_version, u32 destination_version);
static Result GetFragmentOnlyInstallContentMeta(AutoBuffer *out, const InstallContentInfo &content_info, const PackagedContentMetaReader &reader, PatchMetaExtendedDataAccessor *accessor, u32 source_version);
};
} }

473
libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_extended_data.hpp
View file

@ -18,6 +18,7 @@
#include <stratosphere/ncm/ncm_content_meta_id.hpp> #include <stratosphere/ncm/ncm_content_meta_id.hpp>
#include <stratosphere/ncm/ncm_content_meta.hpp> #include <stratosphere/ncm/ncm_content_meta.hpp>
#include <stratosphere/ncm/ncm_firmware_variation.hpp> #include <stratosphere/ncm/ncm_firmware_variation.hpp>
#include <stratosphere/ncm/ncm_mapped_memory.hpp>
namespace ams::ncm { namespace ams::ncm {
@ -381,4 +382,476 @@ namespace ams::ncm {
constexpr SystemUpdateMetaExtendedDataReader(const void *data, size_t size) : SystemUpdateMetaExtendedDataReaderWriterBase(data, size) { /* ... */ } constexpr SystemUpdateMetaExtendedDataReader(const void *data, size_t size) : SystemUpdateMetaExtendedDataReaderWriterBase(data, size) { /* ... */ }
}; };
template<typename T>
class ReadableStructPin;
class AccessorBase {
public:
template<typename T>
class PinBase {
private:
AccessorBase *m_accessor;
u64 m_pin_id;
T *m_data;
size_t m_size;
public:
PinBase() : m_accessor(nullptr), m_data(nullptr), m_size(0) {
/* ... */
}
PinBase(const PinBase &) = delete;
PinBase &operator=(const PinBase &) = delete;
PinBase(PinBase &&rhs) : m_accessor(rhs.m_accessor), m_pin_id(rhs.m_pin_id), m_data(rhs.m_data), m_size(rhs.m_size) {
rhs.m_accessor = nullptr;
}
PinBase &operator=(PinBase &&rhs) {
m_accessor = rhs.m_accessor;
m_pin_id = rhs.m_pin_id;
m_data = rhs.m_data;
m_size = rhs.m_size;
rhs.m_accessor = nullptr;
return *this;
}
virtual ~PinBase() {
this->Reset();
}
public:
void Reset() {
if (m_accessor != nullptr) {
m_accessor->ReleasePin(m_pin_id);
m_accessor = nullptr;
}
}
void Reset(AccessorBase *accessor, u64 pin_id, void *data, size_t size) {
AMS_ASSERT(data != nullptr || size == 0);
this->Reset();
m_accessor = accessor;
m_pin_id = pin_id;
m_data = reinterpret_cast<T *>(data);
m_size = size;
}
T *GetData() const {
return m_data;
}
size_t GetDataSize() const {
return m_size;
}
};
private:
IMapper *m_mapper;
public:
AccessorBase(IMapper *mapper) : m_mapper(mapper) {
/* ... */
}
template<typename T>
Result AcquireReadableStructPin(ReadableStructPin<T> *out, size_t offset) {
/* Acquire mapped memory for the pin. */
MappedMemory memory = {};
R_TRY(m_mapper->GetMappedMemory(std::addressof(memory), offset, sizeof(T)));
/* Mark the memory as in use. */
R_RETURN(m_mapper->MarkUsing(memory.id));
/* Setup the pin. */
out->Reset(this, memory.id, memory.GetBuffer(offset, sizeof(T)), sizeof(T));
R_SUCCEED();
}
Result ReleasePin(u64 id) {
R_RETURN(m_mapper->UnmarkUsing(id));
}
template<typename T>
Result ReadStruct(T *out, size_t offset) {
/* Acquire mapped memory for the pin. */
MappedMemory memory = {};
R_TRY(m_mapper->GetMappedMemory(std::addressof(memory), offset, sizeof(T)));
/* Mark the memory as in use. */
R_RETURN(m_mapper->MarkUsing(memory.id));
ON_SCOPE_EXIT { this->ReleasePin(memory.id); };
/* Copy out the struct. */
*out = *reinterpret_cast<const T *>(memory.GetBuffer(offset, sizeof(T)));
R_SUCCEED();
}
};
template<typename T>
class ReadableStructPin final : public AccessorBase::PinBase<const u8> {
public:
using PinBase::PinBase;
using PinBase::operator=;
const T *Get() const {
return reinterpret_cast<const T *>(this->GetData());
}
size_t GetSize() const {
return this->GetDataSize();
}
const T &operator*() const { return *this->Get(); }
const T *operator->() const { return this->Get(); }
};
class PatchMetaExtendedDataAccessor : public AccessorBase {
private:
struct CachedCount {
s32 index;
s32 count;
};
private:
util::optional<CachedCount> m_cached_history_content_count = util::nullopt;
util::optional<CachedCount> m_cached_delta_content_count = util::nullopt;
util::optional<CachedCount> m_cached_fragment_set_count = util::nullopt;
util::optional<CachedCount> m_cached_fragment_indicator_count = util::nullopt;
util::optional<PatchMetaExtendedDataHeader> m_header = util::nullopt;
public:
using AccessorBase::AccessorBase;
public:
Result GetHeader(ReadableStructPin<PatchMetaExtendedDataHeader> *out) { return this->AcquireReadableStructPin(out, 0); }
Result GetHeader(PatchMetaExtendedDataHeader *out) { return this->template ReadStruct<PatchMetaExtendedDataHeader>(out, 0); }
Result GetHistoryHeader(ReadableStructPin<PatchHistoryHeader> *out, s32 index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= index && static_cast<u32>(index) < m_header->history_count, ncm::ResultInvalidOffset());
/* Get the header. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * index;
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetPatchDeltaHistory(ReadableStructPin<PatchDeltaHistory> *out, s32 index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= index && static_cast<u32>(index) < m_header->delta_history_count, ncm::ResultInvalidOffset());
/* Get the history. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * index;
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetPatchDeltaHeader(ReadableStructPin<PatchDeltaHeader> *out, s32 index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= index && static_cast<u32>(index) < m_header->delta_count, ncm::ResultInvalidOffset());
/* Get the header. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * index;
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetFragmentSet(ReadableStructPin<FragmentSet> *out, s32 delta_index, s32 fragment_set_index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= delta_index && static_cast<u32>(delta_index) < m_header->delta_count, ncm::ResultInvalidOffset());
/* Get the previous fragment set count. */
s32 previous_fragment_set_count = 0;
R_TRY(this->CountFragmentSet(std::addressof(previous_fragment_set_count), delta_index));
/* Get the set. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * (previous_fragment_set_count + fragment_set_index);
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetFragmentSetDirectly(ReadableStructPin<FragmentSet> *out, s32 fragment_set_direct_index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= fragment_set_direct_index && static_cast<u32>(fragment_set_direct_index) < m_header->fragment_set_count, ncm::ResultInvalidOffset());
/* Get the set. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * (fragment_set_direct_index);
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetPatchHistoryContentInfo(ReadableStructPin<ContentInfo> *out, s32 history_index, s32 content_index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= history_index && static_cast<u32>(history_index) < m_header->history_count, ncm::ResultInvalidOffset());
/* Determine the true history content index. */
s32 prev_history_count = 0;
R_TRY(this->CountHistoryContentInfo(std::addressof(prev_history_count), history_index));
/* Adjust and check the content index. */
content_index += prev_history_count;
R_UNLESS(0 <= content_index && static_cast<u32>(content_index) < m_header->history_content_total_count, ncm::ResultInvalidOffset());
/* Get the info. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * m_header->fragment_set_count + sizeof(ContentInfo) * content_index;
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetPatchDeltaContentInfo(ReadableStructPin<PackagedContentInfo> *out, s32 delta_index, s32 content_index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= delta_index && static_cast<u32>(delta_index) < m_header->delta_count, ncm::ResultInvalidOffset());
/* Determine the true delta content index. */
s32 prev_delta_count = 0;
R_TRY(this->CountDeltaContentInfo(std::addressof(prev_delta_count), delta_index));
/* Adjust and check the content index. */
content_index += prev_delta_count;
R_UNLESS(0 <= content_index && static_cast<u32>(content_index) < m_header->delta_content_total_count, ncm::ResultInvalidOffset());
/* Get the info. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * m_header->fragment_set_count + sizeof(ContentInfo) * m_header->history_content_total_count + sizeof(PackagedContentInfo) * content_index;
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result GetFragmentIndicator(ReadableStructPin<FragmentIndicator> *out, s32 delta_index, s32 fragment_set_index, s32 index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= delta_index && static_cast<u32>(delta_index) < m_header->delta_count, ncm::ResultInvalidOffset());
/* Get the previous fragment set count. */
s32 previous_fragment_set_count = 0;
R_TRY(this->CountFragmentSet(std::addressof(previous_fragment_set_count), delta_index));
/* Get the previous fragment indicator count. */
s32 previous_fragment_count = 0;
R_TRY(this->CountFragmentIndicator(std::addressof(previous_fragment_count), previous_fragment_count + fragment_set_index));
/* Get the info. */
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * m_header->fragment_set_count + sizeof(ContentInfo) * m_header->history_content_total_count + sizeof(PackagedContentInfo) * m_header->delta_content_total_count + sizeof(FragmentIndicator) * (previous_fragment_count + index);
R_RETURN(this->AcquireReadableStructPin(out, offset));
}
Result FindFragmentIndicator(ReadableStructPin<FragmentIndicator> *out, s32 delta_index, s32 fragment_set_index, s32 fragment_index) {
/* Ensure we have our header. */
R_TRY(this->EnsureHeader());
/* Check that the index is valid. */
R_UNLESS(0 <= delta_index && static_cast<u32>(delta_index) < m_header->delta_count, ncm::ResultInvalidOffset());
/* Get the fragment count. */
s32 fragment_count = 0;
{
ReadableStructPin<FragmentSet> set;
R_TRY(this->GetFragmentSet(std::addressof(set), delta_index, fragment_set_index));
fragment_count = set->fragment_count;
}
/* Get the previous fragment set count. */
s32 previous_fragment_set_count = 0;
R_TRY(this->CountFragmentSet(std::addressof(previous_fragment_set_count), delta_index));
/* Get the previous fragment indicator count. */
s32 previous_fragment_count = 0;
R_TRY(this->CountFragmentIndicator(std::addressof(previous_fragment_count), previous_fragment_count + fragment_set_index));
/* Look for a correct indicator. */
for (auto i = 0; i < fragment_count; ++i) {
/* Get the current info. */
ReadableStructPin<FragmentIndicator> indicator;
const size_t offset = sizeof(PatchHistoryHeader) + sizeof(PatchHistoryHeader) * m_header->history_count + sizeof(PatchDeltaHistory) * m_header->delta_history_count + sizeof(PatchDeltaHeader) * m_header->delta_count + sizeof(FragmentSet) * m_header->fragment_set_count + sizeof(ContentInfo) * m_header->history_content_total_count + sizeof(PackagedContentInfo) * m_header->delta_content_total_count + sizeof(FragmentIndicator) * (previous_fragment_count + i);
R_TRY(this->AcquireReadableStructPin(std::addressof(indicator), offset));
/* If it matches, return it. */
if (indicator->fragment_index == fragment_index) {
*out = std::move(indicator);
R_SUCCEED();
}
}
/* We didn't find an indicator. */
R_THROW(ncm::ResultFragmentIndicatorNotFound());
}
Result GetHistoryHeader(PatchHistoryHeader *out, s32 index) {
/* Get the pin. */
ReadableStructPin<PatchHistoryHeader> pin;
R_TRY(this->GetHistoryHeader(std::addressof(pin), index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetPatchDeltaHistory(PatchDeltaHistory *out, s32 index) {
/* Get the pin. */
ReadableStructPin<PatchDeltaHistory> pin;
R_TRY(this->GetPatchDeltaHistory(std::addressof(pin), index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetPatchDeltaHeader(PatchDeltaHeader *out, s32 index) {
/* Get the pin. */
ReadableStructPin<PatchDeltaHeader> pin;
R_TRY(this->GetPatchDeltaHeader(std::addressof(pin), index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetFragmentSet(FragmentSet *out, s32 delta_index, s32 fragment_set_index) {
/* Get the pin. */
ReadableStructPin<FragmentSet> pin;
R_TRY(this->GetFragmentSet(std::addressof(pin), delta_index, fragment_set_index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetPatchHistoryContentInfo(ContentInfo *out, s32 history_index, s32 content_index) {
/* Get the header. */
ReadableStructPin<ContentInfo> pin;
R_TRY(this->GetPatchHistoryContentInfo(std::addressof(pin), history_index, content_index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetPatchDeltaContentInfo(PackagedContentInfo *out, s32 delta_index, s32 content_index) {
/* Get the header. */
ReadableStructPin<PackagedContentInfo> pin;
R_TRY(this->GetPatchDeltaContentInfo(std::addressof(pin), delta_index, content_index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result GetFragmentIndicator(FragmentIndicator *out, s32 delta_index, s32 fragment_set_index, s32 index) {
/* Get the header. */
ReadableStructPin<FragmentIndicator> pin;
R_TRY(this->GetFragmentIndicator(std::addressof(pin), delta_index, fragment_set_index, index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result FindFragmentIndicator(FragmentIndicator *out, s32 delta_index, s32 fragment_set_index, s32 fragment_index) {
/* Get the header. */
ReadableStructPin<FragmentIndicator> pin;
R_TRY(this->FindFragmentIndicator(std::addressof(pin), delta_index, fragment_set_index, fragment_index));
/* Copy it out. */
*out = *pin;
R_SUCCEED();
}
Result CountHistoryContentInfo(s32 *out, s32 index) {
R_RETURN(this->CountImpl(out, index, m_cached_history_content_count, [&](s32 *out, s32 i) -> Result {
/* Get the history header. */
ReadableStructPin<ncm::PatchHistoryHeader> header;
R_TRY(this->GetHistoryHeader(std::addressof(header), i));
/* Set the content count. */
*out = header->content_count;
R_SUCCEED();
}));
}
Result CountDeltaContentInfo(s32 *out, s32 index) {
R_RETURN(this->CountImpl(out, index, m_cached_delta_content_count, [&](s32 *out, s32 i) -> Result {
/* Get the history header. */
ReadableStructPin<ncm::PatchDeltaHeader> header;
R_TRY(this->GetPatchDeltaHeader(std::addressof(header), i));
/* Set the content count. */
*out = header->content_count;
R_SUCCEED();
}));
}
Result CountFragmentSet(s32 *out, s32 index) {
R_RETURN(this->CountImpl(out, index, m_cached_fragment_set_count, [&](s32 *out, s32 i) -> Result {
/* Get the history header. */
ReadableStructPin<ncm::PatchDeltaHeader> header;
R_TRY(this->GetPatchDeltaHeader(std::addressof(header), i));
/* Set the fragment set count. */
*out = header->delta.fragment_set_count;
R_SUCCEED();
}));
}
Result CountFragmentIndicator(s32 *out, s32 index) {
R_RETURN(this->CountImpl(out, index, m_cached_fragment_indicator_count, [&](s32 *out, s32 i) -> Result {
/* Get the history header. */
ReadableStructPin<ncm::FragmentSet> set;
R_TRY(this->GetFragmentSetDirectly(std::addressof(set), i));
/* Set the indicator count. */
*out = set->fragment_count;
R_SUCCEED();
}));
}
private:
Result CountImpl(s32 *out, s32 index, util::optional<CachedCount> &cache, auto get_count_impl) const {
/* Ensure the value is cached. */
if (!(cache.has_value() && cache->index == index)) {
/* Determine the count. */
CachedCount calc = { .index = index, .count = 0 };
for (auto i = 0; i < index; ++i) {
s32 cur_count = 0;
R_TRY(get_count_impl(std::addressof(cur_count), i));
calc.count += cur_count;
}
/* Cache the count. */
cache = calc;
}
/* Set the output count. */
*out = cache->count;
R_SUCCEED();
}
private:
Result EnsureHeader() {
/* If we have our header, we're good. */
R_SUCCEED_IF(m_header.has_value());
/* Get our header. */
PatchMetaExtendedDataHeader header;
R_TRY(this->GetHeader(std::addressof(header)));
/* Set our header. */
m_header.emplace(header);
R_SUCCEED();
}
};
} }

9
libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_utils.hpp
View file

@ -25,7 +25,14 @@ namespace ams::ncm {
using MountContentMetaFunction = Result (*)(const char *mount_name, const char *path); using MountContentMetaFunction = Result (*)(const char *mount_name, const char *path);
Result ReadContentMetaPath(AutoBuffer *out, const char *path); bool IsContentMetaFileName(const char *name);
Result ReadContentMetaPathAlongWithExtendedDataAndDigest(AutoBuffer *out, const char *path);
Result ReadContentMetaPathAlongWithExtendedDataAndDigestSuppressingFsAbort(AutoBuffer *out, const char *path);
Result ReadContentMetaPathWithoutExtendedDataOrDigest(AutoBuffer *out, const char *path);
Result ReadContentMetaPathWithoutExtendedDataOrDigestSuppressingFsAbort(AutoBuffer *out, const char *path);
Result ReadVariationContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const Path &path, FirmwareVariationId firmware_variation_id); Result ReadVariationContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const Path &path, FirmwareVariationId firmware_variation_id);
void SetMountContentMetaFunction(MountContentMetaFunction func); void SetMountContentMetaFunction(MountContentMetaFunction func);

54
libraries/libstratosphere/include/stratosphere/ncm/ncm_mapped_memory.hpp Normal file
View file

@ -0,0 +1,54 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::ncm {
struct MappedMemory {
u64 id;
size_t offset;
u8 *buffer;
size_t buffer_size;
bool IsIncluded(size_t o, size_t sz) const {
return this->offset <= o && sz <= this->buffer_size && (o + sz) <= (this->offset + this->buffer_size);
}
u8 *GetBuffer(size_t o, size_t sz) const {
AMS_ASSERT(this->buffer != nullptr);
AMS_ASSERT(this->IsIncluded(o, sz));
return this->buffer + (o - this->offset);
}
};
static_assert(util::is_pod<MappedMemory>::value);
class IMapper {
public:
virtual ~IMapper() { /* ... */ }
public:
virtual Result GetMappedMemory(MappedMemory *out, size_t offset, size_t size) = 0;
virtual Result MarkUsing(u64 id) = 0;
virtual Result UnmarkUsing(u64 id) = 0;
virtual Result MarkDirty(u64 id) = 0;
protected:
virtual Result MapImpl(MappedMemory *out, Span<u8> data, size_t offset, size_t size) = 0;
virtual Result UnmapImpl(MappedMemory *mem) = 0;
virtual bool IsAccessibleSizeUpdatable() = 0;
};
}

4
libraries/libstratosphere/source/gc/impl/gc_gc_crypto.cpp
View file

@ -52,7 +52,7 @@ namespace ams::gc::impl {
Result GcCrypto::VerifyT1CardCertificate(const void *cert_buffer, size_t cert_size) { Result GcCrypto::VerifyT1CardCertificate(const void *cert_buffer, size_t cert_size) {
/* Check pre-conditions. */ /* Check pre-conditions. */
AMS_ASSERT(cert_size == sizeof(T1CardCertificate)); R_UNLESS(cert_size == sizeof(T1CardCertificate), fs::ResultGameCardPreconditionViolation());
/* Get cert buffer as type. */ /* Get cert buffer as type. */
const auto * const cert = static_cast<const T1CardCertificate *>(cert_buffer); const auto * const cert = static_cast<const T1CardCertificate *>(cert_buffer);
@ -75,7 +75,7 @@ namespace ams::gc::impl {
Result GcCrypto::VerifyCa10Certificate(const void *cert_buffer, size_t cert_size) { Result GcCrypto::VerifyCa10Certificate(const void *cert_buffer, size_t cert_size) {
/* Check pre-conditions. */ /* Check pre-conditions. */
AMS_ASSERT(cert_size == sizeof(Ca10Certificate)); R_UNLESS(cert_size == sizeof(Ca10Certificate), fs::ResultGameCardPreconditionViolation());
/* Get header buffer as type. */ /* Get header buffer as type. */
const auto * const cert = static_cast<const Ca10Certificate *>(cert_buffer); const auto * const cert = static_cast<const Ca10Certificate *>(cert_buffer);

6
libraries/libstratosphere/source/kvdb/kvdb_file_key_value_store.cpp
View file

@ -154,7 +154,7 @@ namespace ams::kvdb {
const size_t file_name_len = file_name.GetLength(); const size_t file_name_len = file_name.GetLength();
const size_t key_name_len = file_name_len - FileExtensionLength; const size_t key_name_len = file_name_len - FileExtensionLength;
R_UNLESS(file_name_len >= FileExtensionLength + 2, kvdb::ResultInvalidKeyValue()); R_UNLESS(file_name_len >= FileExtensionLength + 2, kvdb::ResultInvalidKeyValue());
R_UNLESS(file_name.EndsWith(FileExtension), kvdb::ResultInvalidKeyValue()); R_UNLESS(file_name.EqualsPostfix(FileExtension), kvdb::ResultInvalidKeyValue());
R_UNLESS(util::IsAligned(key_name_len, 2), kvdb::ResultInvalidKeyValue()); R_UNLESS(util::IsAligned(key_name_len, 2), kvdb::ResultInvalidKeyValue());
/* Validate that we have space for the converted key. */ /* Validate that we have space for the converted key. */
@ -165,7 +165,7 @@ namespace ams::kvdb {
u8 *out_key = static_cast<u8 *>(_out_key); u8 *out_key = static_cast<u8 *>(_out_key);
for (size_t i = 0; i < key_size; i++) { for (size_t i = 0; i < key_size; i++) {
char substr[2 * sizeof(u8) + 1]; char substr[2 * sizeof(u8) + 1];
file_name.GetSubstring(substr, sizeof(substr), 2 * i, sizeof(substr) - 1); file_name.GetSubString(substr, sizeof(substr), 2 * i, sizeof(substr) - 1);
out_key[i] = static_cast<u8>(std::strtoul(substr, nullptr, 0x10)); out_key[i] = static_cast<u8>(std::strtoul(substr, nullptr, 0x10));
} }
@ -184,7 +184,7 @@ namespace ams::kvdb {
R_UNLESS(entry_type == fs::DirectoryEntryType_Directory, fs::ResultPathNotFound()); R_UNLESS(entry_type == fs::DirectoryEntryType_Directory, fs::ResultPathNotFound());
/* Set path. */ /* Set path. */
m_dir_path.Set(dir); m_dir_path.Assign(dir);
/* Initialize our cache. */ /* Initialize our cache. */
R_TRY(m_cache.Initialize(cache_buffer, cache_buffer_size, cache_capacity)); R_TRY(m_cache.Initialize(cache_buffer, cache_buffer_size, cache_capacity));

1
libraries/libstratosphere/source/ncm/ncm_content_info_utils.cpp
View file

@ -18,6 +18,7 @@
namespace ams::ncm { namespace ams::ncm {
namespace { namespace {
constexpr inline s64 EncryptionMetadataSize = 16_KB; constexpr inline s64 EncryptionMetadataSize = 16_KB;
constexpr inline s64 ConcatenationFileSizeMax = 4_GB; constexpr inline s64 ConcatenationFileSizeMax = 4_GB;

4
libraries/libstratosphere/source/ncm/ncm_content_management_utils.cpp
View file

@ -37,7 +37,7 @@ namespace ams::ncm {
char path[MaxPackagePathLength]; char path[MaxPackagePathLength];
R_TRY(ConvertToFsCommonPath(path, sizeof(path), package_root_path, entry.name)); R_TRY(ConvertToFsCommonPath(path, sizeof(path), package_root_path, entry.name));
return ncm::ReadContentMetaPath(out, path); return ncm::ReadContentMetaPathWithoutExtendedDataOrDigest(out, path);
} }
template<typename F> template<typename F>
@ -108,7 +108,7 @@ namespace ams::ncm {
/* Read the content meta path, and build. */ /* Read the content meta path, and build. */
ncm::AutoBuffer package_meta; ncm::AutoBuffer package_meta;
if (R_SUCCEEDED(ncm::ReadContentMetaPath(std::addressof(package_meta), path.str))) { if (R_SUCCEEDED(ncm::ReadContentMetaPathWithoutExtendedDataOrDigest(std::addressof(package_meta), path.str))) {
/* Get the size of the content. */ /* Get the size of the content. */
s64 size; s64 size;
R_TRY(storage->GetSize(std::addressof(size), content_id)); R_TRY(storage->GetSize(std::addressof(size), content_id));

4
libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
View file

@ -255,11 +255,11 @@ namespace ams::ncm {
/* Print the savedata path. */ /* Print the savedata path. */
PathString savedata_db_path; PathString savedata_db_path;
savedata_db_path.SetFormat("%s/%s", root->path, "imkvdb.arc"); savedata_db_path.AssignFormat("%s/%s", root->path, "imkvdb.arc");
/* Print a path for the mounted partition. */ /* Print a path for the mounted partition. */
PathString bis_db_path; PathString bis_db_path;
bis_db_path.SetFormat("%s:/%s", import_mount_name, path); bis_db_path.AssignFormat("%s:/%s", import_mount_name, path);
/* Mount the savedata. */ /* Mount the savedata. */
R_TRY(fs::MountSystemSaveData(root->mount_name, root->info.space_id, root->info.id)); R_TRY(fs::MountSystemSaveData(root->mount_name, root->info.space_id, root->info.id));

113
libraries/libstratosphere/source/ncm/ncm_content_meta.cpp
View file

@ -229,10 +229,10 @@ namespace ams::ncm {
R_TRY(FindDeltaIndex(std::addressof(index), reader, source_version, this->GetKey().version)); R_TRY(FindDeltaIndex(std::addressof(index), reader, source_version, this->GetKey().version));
/* Get the fragment count. */ /* Get the fragment count. */
auto fragment_count = CountContentExceptForMeta(reader, index); const auto fragment_count = CountContentExceptForMeta(reader, index);
/* Recalculate. */ /* Recalculate. */
*out_size = CalculateSizeImpl<InstallContentMetaHeader, InstallContentInfo>(this->GetExtendedHeaderSize(), fragment_count + 1, 0, this->GetExtendedDataSize(), false); *out_size = this->CalculateConvertFragmentOnlyInstallContentMetaSize(fragment_count);
return ResultSuccess(); return ResultSuccess();
} }
@ -325,4 +325,113 @@ namespace ams::ncm {
} }
} }
Result MetaConverter::CountContentExceptForMeta(s32 *out, PatchMetaExtendedDataAccessor *accessor, const PatchDeltaHeader &header, s32 delta_index) {
/* Get the count. */
s32 count = 0;
for (auto i = 0; i < static_cast<int>(header.content_count); ++i) {
/* Get the delta content info. */
PackagedContentInfo content_info;
R_TRY(accessor->GetPatchDeltaContentInfo(std::addressof(content_info), delta_index, i));
if (content_info.GetType() != ContentType::Meta) {
++count;
}
}
*out = count;
R_SUCCEED();
}
Result MetaConverter::FindDeltaIndex(s32 *out, PatchMetaExtendedDataAccessor *accessor, u32 source_version, u32 destination_version) {
/* Get the header. */
PatchMetaExtendedDataHeader header;
header.delta_count = 0;
R_TRY(accessor->GetHeader(std::addressof(header)));
/* Iterate over all deltas. */
for (s32 i = 0; i < static_cast<s32>(header.delta_count); i++) {
/* Get the current patch delta header. */
PatchDeltaHeader delta_header;
R_TRY(accessor->GetPatchDeltaHeader(std::addressof(delta_header), i));
/* Check if the current delta matches the versions. */
if ((source_version == 0 || delta_header.delta.source_version == source_version) && delta_header.delta.destination_version == destination_version) {
*out = i;
R_SUCCEED();
}
}
/* We didn't find the delta. */
R_THROW(ncm::ResultDeltaNotFound());
}
Result MetaConverter::GetFragmentOnlyInstallContentMeta(AutoBuffer *out, const InstallContentInfo &meta, const PackagedContentMetaReader &reader, PatchMetaExtendedDataAccessor *accessor, u32 source_version) {
/* Find the appropriate delta index. */
s32 delta_index = 0;
R_TRY(FindDeltaIndex(std::addressof(delta_index), accessor, source_version, reader.GetHeader()->version));
/* Get the delta header. */
PatchDeltaHeader delta_header;
R_TRY(accessor->GetPatchDeltaHeader(std::addressof(delta_header), delta_index));
/* Count content except for meta. */
s32 fragment_count = 0;
R_TRY(CountContentExceptForMeta(std::addressof(fragment_count), accessor, delta_header, delta_index));
/* Determine the required size. */
const size_t meta_size = reader.CalculateConvertFragmentOnlyInstallContentMetaSize(fragment_count);
/* Initialize the out buffer. */
R_TRY(out->Initialize(meta_size));
/* Prepare for conversion. */
const auto *packaged_header = reader.GetHeader();
uintptr_t dst_addr = reinterpret_cast<uintptr_t>(out->Get());
/* Convert the header. */
InstallContentMetaHeader header;
ConvertPackageContentMetaHeaderToInstallContentMetaHeader(std::addressof(header), *packaged_header);
header.install_type = ContentInstallType::FragmentOnly;
/* Set the content count. */
header.content_count = static_cast<u16>(fragment_count) + 1;
/* Copy the header. */
std::memcpy(reinterpret_cast<void *>(dst_addr), std::addressof(header), sizeof(header));
dst_addr += sizeof(header);
/* Copy the extended header. */
std::memcpy(reinterpret_cast<void *>(dst_addr), reader.GetExtendedHeader<void>(), packaged_header->extended_header_size);
dst_addr += packaged_header->extended_header_size;
/* Copy the top level meta. */
std::memcpy(reinterpret_cast<void *>(dst_addr), std::addressof(meta), sizeof(meta));
dst_addr += sizeof(meta);
s32 count = 0;
for (s32 i = 0; i < static_cast<s32>(delta_header.content_count); i++) {
/* Get the delta content info. */
PackagedContentInfo content_info;
R_TRY(accessor->GetPatchDeltaContentInfo(std::addressof(content_info), delta_index, i));
if (content_info.GetType() != ContentType::Meta) {
/* Create the install content info. */
InstallContentInfo install_content_info = InstallContentInfo::Make(content_info, packaged_header->type);
/* Copy the info. */
std::memcpy(reinterpret_cast<void *>(dst_addr), std::addressof(install_content_info), sizeof(InstallContentInfo));
dst_addr += sizeof(InstallContentInfo);
/* Increment the count. */
count++;
}
}
/* Assert that we copied the right number of infos. */
AMS_ASSERT(count == fragment_count);
R_SUCCEED();
}
} }

106
libraries/libstratosphere/source/ncm/ncm_content_meta_utils.cpp
View file

@ -20,12 +20,6 @@ namespace ams::ncm {
namespace { namespace {
using FilePathString = kvdb::BoundedString<64>;
bool IsContentMetaFileName(const char *name) {
return impl::PathView(name).HasSuffix(".cnmt");
}
Result MountContentMetaByRemoteFileSystemProxy(const char *mount_name, const char *path) { Result MountContentMetaByRemoteFileSystemProxy(const char *mount_name, const char *path) {
return fs::MountContent(mount_name, path, fs::ContentType_Meta); return fs::MountContent(mount_name, path, fs::ContentType_Meta);
} }
@ -34,10 +28,22 @@ namespace ams::ncm {
} }
Result ReadContentMetaPath(AutoBuffer *out, const char *path) { namespace impl {
Result MountContentMetaImpl(const char *mount_name, const char *path) {
R_RETURN(g_mount_content_meta_func(mount_name, path));
}
}
bool IsContentMetaFileName(const char *name) {
return impl::PathView(name).HasSuffix(".cnmt");
}
Result ReadContentMetaPathAlongWithExtendedDataAndDigest(AutoBuffer *out, const char *path) {
/* Mount the content. */ /* Mount the content. */
auto mount_name = impl::CreateUniqueMountName(); auto mount_name = impl::CreateUniqueMountName();
R_TRY(g_mount_content_meta_func(mount_name.str, path)); R_TRY(impl::MountContentMetaImpl(mount_name.str, path));
ON_SCOPE_EXIT { fs::Unmount(mount_name.str); }; ON_SCOPE_EXIT { fs::Unmount(mount_name.str); };
/* Open the root directory. */ /* Open the root directory. */
@ -59,7 +65,7 @@ namespace ams::ncm {
/* If this is the content meta file, parse it. */ /* If this is the content meta file, parse it. */
if (IsContentMetaFileName(entry.name)) { if (IsContentMetaFileName(entry.name)) {
/* Create the file path. */ /* Create the file path. */
FilePathString file_path(root_path.str); impl::FilePathString file_path(root_path.str);
file_path.Append(entry.name); file_path.Append(entry.name);
/* Open the content meta file. */ /* Open the content meta file. */
@ -76,19 +82,89 @@ namespace ams::ncm {
R_TRY(out->Initialize(meta_size)); R_TRY(out->Initialize(meta_size));
/* Read the meta into the buffer. */ /* Read the meta into the buffer. */
return fs::ReadFile(file, 0, out->Get(), meta_size); R_RETURN(fs::ReadFile(file, 0, out->Get(), meta_size));
} }
} }
return ncm::ResultContentMetaNotFound(); R_THROW(ncm::ResultContentMetaNotFound());
}
Result ReadContentMetaPathAlongWithExtendedDataAndDigestSuppressingFsAbort(AutoBuffer *out, const char *path) {
fs::ScopedAutoAbortDisabler aad;
R_RETURN(ReadContentMetaPathAlongWithExtendedDataAndDigest(out, path));
}
Result ReadContentMetaPathWithoutExtendedDataOrDigest(AutoBuffer *out, const char *path) {
/* Mount the content. */
auto mount_name = impl::CreateUniqueMountName();
R_TRY(impl::MountContentMetaImpl(mount_name.str, path));
ON_SCOPE_EXIT { fs::Unmount(mount_name.str); };
/* Open the root directory. */
auto root_path = impl::GetRootDirectoryPath(mount_name);
fs::DirectoryHandle dir;
R_TRY(fs::OpenDirectory(std::addressof(dir), root_path.str, fs::OpenDirectoryMode_File));
ON_SCOPE_EXIT { fs::CloseDirectory(dir); };
/* Loop directory reading until we find the entry we're looking for. */
while (true) {
/* Read one entry, and finish when we fail to read. */
fs::DirectoryEntry entry;
s64 num_read;
R_TRY(fs::ReadDirectory(std::addressof(num_read), std::addressof(entry), dir, 1));
if (num_read == 0) {
break;
}
/* If this is the content meta file, parse it. */
if (IsContentMetaFileName(entry.name)) {
/* Create the file path. */
impl::FilePathString file_path(root_path.str);
file_path.Append(entry.name);
/* Open the content meta file. */
fs::FileHandle file;
R_TRY(fs::OpenFile(std::addressof(file), file_path, fs::OpenMode_Read));
ON_SCOPE_EXIT { fs::CloseFile(file); };
/* Get the meta size. */
s64 file_size;
R_TRY(fs::GetFileSize(std::addressof(file_size), file));
const size_t meta_file_size = static_cast<size_t>(file_size);
/* Check that the meta size is large enough. */
R_UNLESS(meta_file_size >= sizeof(PackagedContentMetaHeader), ncm::ResultInvalidContentMetaFileSize());
/* Read the header. */
PackagedContentMetaHeader header;
size_t read_size = 0;
R_TRY(fs::ReadFile(std::addressof(read_size), file, 0, std::addressof(header), sizeof(header)));
/* Check the right size was read. */
R_UNLESS(read_size == sizeof(PackagedContentMetaHeader), ncm::ResultInvalidContentMetaFileSize());
/* Determine the meta size. */
const size_t meta_size = PackagedContentMetaReader(std::addressof(header), sizeof(header)).GetExtendedDataOffset();
/* Create a buffer for the meta. */
R_TRY(out->Initialize(meta_size));
/* Read the meta into the buffer. */
R_RETURN(fs::ReadFile(file, 0, out->Get(), meta_size));
}
}
R_THROW(ncm::ResultContentMetaNotFound());
}
Result ReadContentMetaPathWithoutExtendedDataOrDigestSuppressingFsAbort(AutoBuffer *out, const char *path) {
fs::ScopedAutoAbortDisabler aad;
R_RETURN(ReadContentMetaPathAlongWithExtendedDataAndDigest(out, path));
} }
Result ReadVariationContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const Path &path, FirmwareVariationId firmware_variation_id) { Result ReadVariationContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const Path &path, FirmwareVariationId firmware_variation_id) {
AutoBuffer meta; AutoBuffer meta;
{ R_TRY(ReadContentMetaPathAlongWithExtendedDataAndDigestSuppressingFsAbort(std::addressof(meta), path.str));
fs::ScopedAutoAbortDisabler aad;
R_TRY(ReadContentMetaPath(std::addressof(meta), path.str));
}
/* Create a reader for the content meta. */ /* Create a reader for the content meta. */
PackagedContentMetaReader reader(meta.Get(), meta.GetSize()); PackagedContentMetaReader reader(meta.Get(), meta.GetSize());

10
libraries/libstratosphere/source/ncm/ncm_content_storage_impl.cpp
View file

@ -24,7 +24,7 @@ namespace ams::ncm {
constexpr inline const char * const BaseContentDirectory = "/registered"; constexpr inline const char * const BaseContentDirectory = "/registered";
void MakeBaseContentDirectoryPath(PathString *out, const char *root_path) { void MakeBaseContentDirectoryPath(PathString *out, const char *root_path) {
out->SetFormat("%s%s", root_path, BaseContentDirectory); out->AssignFormat("%s%s", root_path, BaseContentDirectory);
} }
void MakeContentPath(PathString *out, ContentId id, MakeContentPathFunction func, const char *root_path) { void MakeContentPath(PathString *out, ContentId id, MakeContentPathFunction func, const char *root_path) {
@ -83,7 +83,7 @@ namespace ams::ncm {
/* Path of the current entry. */ /* Path of the current entry. */
PathString current_path; PathString current_path;
current_path.SetFormat("%s/%s", root_path, entry.name); current_path.AssignFormat("%s/%s", root_path, entry.name);
/* Call the process function. */ /* Call the process function. */
bool should_continue = true; bool should_continue = true;
@ -202,7 +202,7 @@ namespace ams::ncm {
Result ContentStorageImpl::ContentIterator::OpenDirectory(const char *dir) { Result ContentStorageImpl::ContentIterator::OpenDirectory(const char *dir) {
/* Set our current path. */ /* Set our current path. */
m_path.Set(dir); m_path.Assign(dir);
/* Open the directory. */ /* Open the directory. */
return this->OpenCurrentDirectory(); return this->OpenCurrentDirectory();
@ -230,7 +230,7 @@ namespace ams::ncm {
if (m_depth < m_max_depth) { if (m_depth < m_max_depth) {
/* Construct the full path for the subdirectory. */ /* Construct the full path for the subdirectory. */
PathString entry_path; PathString entry_path;
entry_path.SetFormat("%s/%s", m_path.Get(), entry.name); entry_path.AssignFormat("%s/%s", m_path.Get(), entry.name);
/* Open the subdirectory. */ /* Open the subdirectory. */
R_TRY(this->OpenDirectory(entry_path.Get())); R_TRY(this->OpenDirectory(entry_path.Get()));
@ -288,7 +288,7 @@ namespace ams::ncm {
} }
/* Set the path to the parent directory. */ /* Set the path to the parent directory. */
m_path.Set(m_path.GetSubstring(0, i + 1)); m_path = m_path.MakeSubString(0, i + 1);
/* Try to load again from the parent directory. */ /* Try to load again from the parent directory. */
return this->LoadEntries(); return this->LoadEntries();

429
libraries/libstratosphere/source/ncm/ncm_extended_data_mapper.hpp Normal file
View file

@ -0,0 +1,429 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
#include "ncm_file_mapper_file.hpp"
#include "ncm_fs_utils.hpp"
namespace ams::ncm {
namespace impl {
template<typename T>
concept IsMappedMemorySpan = std::same_as<T, Span<u8>>;
constexpr inline u64 InitialIdCounterValue = 0x12345;
}
class SingleCacheMapperBase : public IMapper {
private:
bool m_is_mapped;
MappedMemory m_mapped_memory;
size_t m_accessible_size;
bool m_is_using;
bool m_is_dirty;
u64 m_id_counter;
u8 *m_buffer;
size_t m_buffer_size;
public:
SingleCacheMapperBase(Span<u8> span) : m_is_mapped(false), m_mapped_memory{}, m_accessible_size(0), m_is_using(false), m_is_dirty(false), m_id_counter(impl::InitialIdCounterValue), m_buffer(span.data()), m_buffer_size(span.size_bytes()) {
/* ... */
}
protected:
void Finalize() {
/* If we're unused and mapped, we should unmap. */
if (!m_is_using && m_is_mapped) {
this->Unmap();
}
}
private:
Result Unmap() {
/* Check pre-conditions. */
AMS_ASSERT(m_is_mapped);
/* If we're dirty, we'll need to flush the entry. */
if (m_is_dirty) {
/* Unmap our memory. */
MappedMemory mem = m_mapped_memory;
if (mem.offset + mem.buffer_size > m_accessible_size) {
mem.buffer_size = m_accessible_size - mem.offset;
}
R_TRY(this->UnmapImpl(std::addressof(mem)));
}
/* Set as dirty/not mapped. */
m_is_dirty = false;
m_is_mapped = false;
}
Result GetMappedMemoryImpl(MappedMemory *out, size_t offset, size_t size) {
/* Check pre-conditions. */
AMS_ASSERT(m_is_mapped);
/* Ensure the accessible size works. */
const bool can_update = this->IsAccessibleSizeUpdatable();
R_UNLESS((offset + size <= m_accessible_size || can_update), ncm::ResultMapperInvalidArgument());
/* Update our accessible size. */
m_accessible_size = std::max<size_t>(m_accessible_size, size + offset);
/* Set the output memory. */
*out = m_mapped_memory;
out->buffer_size = std::min<size_t>(out->buffer_size, m_accessible_size - out->offset);
R_SUCCEED();
}
public:
virtual Result GetMappedMemory(MappedMemory *out, size_t offset, size_t size) override final {
/* Ensure our memory is valid, if it's already mapped. */
if (m_is_mapped) {
/* If we can re-use the previous mapping, do so. */
if (m_mapped_memory.IsIncluded(offset, size)) {
/* If the memory is in use, we can't get a new mapping. */
R_UNLESS(!m_is_using, ncm::ResultMapperBusy());
/* Get the output memory. */
R_RETURN(this->GetMappedMemoryImpl(out, offset, size));
}
/* We don't have the correct data mapped, so we need to map. */
R_TRY(this->Unmap());
}
/* Map. */
R_TRY(this->MapImpl(std::addressof(m_mapped_memory), Span<u8>(m_buffer, m_buffer_size), offset, size));
/* Set our mapping id. */
m_mapped_memory.id = m_id_counter++;
/* Get the output memory. */
R_RETURN(this->GetMappedMemoryImpl(out, offset, size));
}
virtual Result MarkUsing(u64 id) override final {
/* Check that the mapping is correct. */
R_UNLESS(m_is_mapped, ncm::ResultMapperNotMapped());
R_UNLESS(m_mapped_memory.id == id, ncm::ResultMapperNotMapped());
/* Mark as using. */
m_is_using = true;
R_SUCCEED();
}
virtual Result UnmarkUsing(u64 id) override final {
/* Check that the mapping is correct. */
R_UNLESS(m_is_mapped, ncm::ResultMapperNotMapped());
R_UNLESS(m_mapped_memory.id == id, ncm::ResultMapperNotMapped());
/* Mark as not using. */
m_is_using = false;
R_SUCCEED();
}
virtual Result MarkDirty(u64 id) override final {
/* Check that the mapping is correct. */
R_UNLESS(m_is_mapped, ncm::ResultMapperNotMapped());
R_UNLESS(m_mapped_memory.id == id, ncm::ResultMapperNotMapped());
/* Mark as dirty. */
m_is_dirty = true;
R_SUCCEED();
}
};
template<size_t MaxEntries>
class MultiCacheReadonlyMapperBase : public IMapper {
private:
struct Entry {
MappedMemory memory;
u64 lru_counter;
u32 use_count;
bool is_mapped;
u8 *buffer;
size_t buffer_size;
};
private:
Entry m_entry_storages[MaxEntries];
Entry * const m_entries;
size_t m_entry_count;
u64 m_id_counter;
u64 m_lru_counter;
size_t m_accessible_size;
public:
template<impl::IsMappedMemorySpan... Args>
MultiCacheReadonlyMapperBase(Args... args) : m_entries(m_entry_storages), m_entry_count(sizeof...(Args)), m_id_counter(impl::InitialIdCounterValue), m_lru_counter(1), m_accessible_size(0) {
/* Check the argument count is valid. */
static_assert(sizeof...(Args) <= MaxEntries);
/* Initialize entries. */
auto InitializeEntry = [](Entry *entry, Span<u8> span) ALWAYS_INLINE_LAMBDA -> void {
*entry = {};
entry->buffer = span.data();
entry->buffer_size = span.size_bytes();
};
Entry *cur_entry = m_entries;
(InitializeEntry(cur_entry++, args), ...);
}
size_t GetSize() {
return m_accessible_size;
}
protected:
void SetSize(size_t size) {
m_accessible_size = size;
}
void Finalize() {
/* Mark all entries as unmapped. */
for (size_t i = 0; i < m_entry_count; ++i) {
/* We can't mark unmapped an entry which is in use. */
if (m_entries[i].use_count > 0) {
break;
}
if (m_entries[i].is_mapped) {
m_entries[i].is_mapped = false;
}
}
}
private:
Result GetMappedMemoryImpl(MappedMemory *out, const MappedMemory &src) {
/* Set the output memory. */
*out = src;
out->buffer_size = std::min<size_t>(out->buffer_size, m_accessible_size - out->offset);
R_SUCCEED();
}
public:
virtual Result GetMappedMemory(MappedMemory *out, size_t offset, size_t size) override final {
/* Try to find an entry which contains the desired region. */
for (size_t i = 0; i < m_entry_count; ++i) {
if (m_entries[i].is_mapped && m_entries[i].memory.IsIncluded(offset, size)) {
R_RETURN(this->GetMappedMemoryImpl(out, m_entries[i].memory));
}
}
/* Find the oldest entry. */
Entry *oldest = nullptr;
Entry *best_entry = nullptr;
for (size_t i = 0; i < m_entry_count; ++i) {
if (m_entries[i].is_mapped) {
if (m_entries[i].use_count == 0) {
if (oldest == nullptr || m_entries[i].lru_counter < oldest->lru_counter) {
oldest = std::addressof(m_entries[i]);
}
}
} else {
best_entry = std::addressof(m_entries[i]);
}
}
/* If we didn't find a free entry, use the oldest. */
best_entry = best_entry != nullptr ? best_entry : oldest;
R_UNLESS(best_entry != nullptr, ncm::ResultMapperBusy());
/* Ensure the best entry isn't mapped. */
if (best_entry->is_mapped) {
best_entry->is_mapped = false;
}
/* Map. */
R_TRY(this->MapImpl(std::addressof(best_entry->memory), Span<u8>(best_entry->buffer, best_entry->buffer_size), offset, size));
/* Set our mapping id. */
best_entry->memory.id = m_id_counter++;
/* Get the output memory. */
R_RETURN(this->GetMappedMemoryImpl(out, best_entry->memory));
}
virtual Result MarkUsing(u64 id) override final {
/* Try to unmark the entry. */
for (size_t i = 0; i < m_entry_count; ++i) {
if (m_entries[i].memory.id == id) {
++m_entries[i].use_count;
m_entries[i].lru_counter = m_lru_counter++;
R_SUCCEED();
}
}
/* We failed to unmark. */
R_THROW(ncm::ResultMapperNotMapped());
}
virtual Result UnmarkUsing(u64 id) override final {
/* Try to unmark the entry. */
for (size_t i = 0; i < m_entry_count; ++i) {
if (m_entries[i].memory.id == id) {
--m_entries[i].use_count;
R_SUCCEED();
}
}
/* We failed to unmark. */
R_THROW(ncm::ResultMapperNotMapped());
}
virtual Result MarkDirty(u64) override final{
R_THROW(ncm::ResultMapperNotSupported());
}
};
template<typename CacheMapperBase>
class ExtendedDataMapperBase : public CacheMapperBase {
private:
static constexpr size_t MappingAlignment = 1_KB;
private:
util::optional<impl::MountNameString> m_mount_name = util::nullopt;
ncm::FileMapperFile m_file_mapper{};
size_t m_extended_data_offset;
bool m_suppress_fs_auto_abort;
public:
template<typename... Args>
ExtendedDataMapperBase(Args &&... args) : CacheMapperBase(std::forward<Args>(args)...) { /* ... */ }
virtual ~ExtendedDataMapperBase() override {
/* Finalize. */
this->Finalize();
}
Result Initialize(const char *content_path, bool suppress_fs_auto_abort) {
/* Set whether we should suppress fs aborts. */
m_suppress_fs_auto_abort = suppress_fs_auto_abort;
/* Suppress fs auto abort, if we need to. */
auto disable_aborts = this->GetFsAutoAbortDisabler();
/* Mount the content. */
auto mount_name = impl::CreateUniqueMountName();
R_TRY(impl::MountContentMetaImpl(mount_name.str, content_path));
/* Set our mount name. */
m_mount_name.emplace(mount_name.str);
/* Open the root directory. */
auto root_path = impl::GetRootDirectoryPath(mount_name);
fs::DirectoryHandle dir;
R_TRY(fs::OpenDirectory(std::addressof(dir), root_path.str, fs::OpenDirectoryMode_File));
ON_SCOPE_EXIT { fs::CloseDirectory(dir); };
/* Loop directory reading until we find the entry we're looking for. */
while (true) {
/* Read one entry, and finish when we fail to read. */
fs::DirectoryEntry entry;
s64 num_read;
R_TRY(fs::ReadDirectory(std::addressof(num_read), std::addressof(entry), dir, 1));
if (num_read == 0) {
break;
}
/* If this is the content meta file, parse it. */
if (IsContentMetaFileName(entry.name)) {
/* Create the file path. */
impl::FilePathString file_path(root_path.str);
file_path.Append(entry.name);
/* Setup our file mapped. */
R_TRY(m_file_mapper.Initialize(file_path, FileMapperFile::OpenMode::Read));
/* Read the extended header. */
PackagedContentMetaHeader pkg_header;
R_TRY(m_file_mapper.Read(0, std::addressof(pkg_header), sizeof(pkg_header)));
/* Set our extended data offset. */
m_extended_data_offset = PackagedContentMetaReader(std::addressof(pkg_header), sizeof(pkg_header)).GetExtendedDataOffset();
const size_t accessible_size = m_file_mapper.GetFileSize() >= m_extended_data_offset;
R_UNLESS(accessible_size, ncm::ResultInvalidContentMetaFileSize());
/* Set our accessible size. */
this->SetSize(accessible_size);
R_SUCCEED();
}
}
R_THROW(ncm::ResultContentMetaNotFound());
}
void Finalize() {
/* Suppress fs auto abort, if we need to. */
auto disable_aborts = this->GetFsAutoAbortDisabler();
/* Finalize our implementation. */
CacheMapperBase::Finalize();
/* Finalize our file mapper. */
m_file_mapper.Finalize();
/* Finalize our mount name. */
if (m_mount_name.has_value()) {
fs::Unmount(m_mount_name.value().Get());
m_mount_name = util::nullopt;
}
}
protected:
virtual Result MapImpl(MappedMemory *out, Span<u8> data, size_t offset, size_t size) override final {
/* Suppress fs auto abort, if we need to. */
auto disable_aborts = this->GetFsAutoAbortDisabler();
/* Get the requested map offset/size. */
u8 *map_data = data.data();
size_t map_size = data.size_bytes();
/* Align the mapping, and ensure it remains valid. */
const size_t aligned_offset = util::AlignDown(offset, MappingAlignment);
R_UNLESS((offset + size) - aligned_offset <= map_size, ncm::ResultMapperInvalidArgument());
/* Read the data. */
const size_t map_offset = m_extended_data_offset + aligned_offset;
if (map_offset + map_size >= m_file_mapper.GetFileSize()) {
map_size = m_file_mapper.GetFileSize() - map_offset;
}
R_TRY(m_file_mapper.Read(map_offset, map_data, map_size));
/* Create the output mapped memory. */
*out = MappedMemory {
.id = 0,
.offset = aligned_offset,
.buffer = map_data,
.buffer_size = map_size,
};
R_SUCCEED();
}
virtual Result UnmapImpl(MappedMemory *) override final {
R_THROW(ncm::ResultMapperNotSupported());
}
virtual bool IsAccessibleSizeUpdatable() override final {
return false;
}
private:
util::optional<fs::ScopedAutoAbortDisabler> GetFsAutoAbortDisabler() {
/* Create an abort disabler, if we should disable aborts. */
util::optional<fs::ScopedAutoAbortDisabler> disable_abort{util::nullopt};
if (m_suppress_fs_auto_abort) {
disable_abort.emplace();
}
return disable_abort;
}
};
template<size_t N>
using MultiCacheReadonlyMapper = ExtendedDataMapperBase<MultiCacheReadonlyMapperBase<N>>;
}

123
libraries/libstratosphere/source/ncm/ncm_file_mapper_file.hpp Normal file
View file

@ -0,0 +1,123 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::ncm {
class FileMapperFile {
public:
enum class OpenMode {
Read,
ReadWrite,
ReadWriteAppend,
};
private:
const char *m_path;
OpenMode m_mode;
util::optional<fs::FileHandle> m_file;
size_t m_file_size;
size_t m_max_size;
public:
FileMapperFile() : m_file(util::nullopt) { /* ... */ }
~FileMapperFile() {
this->Finalize();
}
Result Initialize(const char *path, OpenMode mode) {
/* Set our path/mode. */
m_path = path;
m_mode = mode;
/* Ensure we're open. */
R_TRY(this->EnsureOpen());
/* Get the file size. */
s64 size;
R_TRY(fs::GetFileSize(std::addressof(size), m_file.value()));
/* Set our file size/loaded size. */
m_file_size = static_cast<size_t>(size);
m_max_size = static_cast<size_t>(size);
R_SUCCEED();
}
void Finalize() {
/* If we have a file, close (and flush) it. */
if (m_file.has_value()) {
if (m_mode != OpenMode::Read) {
R_ABORT_UNLESS(fs::FlushFile(m_file.value()));
}
fs::CloseFile(m_file.value());
m_file = util::nullopt;
}
}
size_t GetFileSize() const { return m_file_size; }
size_t GetMaxSize() const { return m_max_size; }
Result Read(size_t offset, void *dst, size_t size) {
/* Determine the end offset. */
const size_t end_offset = offset + size;
/* Unless we're allowed to append, we need to have a big enough file. */
if (m_mode != OpenMode::ReadWriteAppend) {
R_UNLESS(end_offset <= m_file_size, ncm::ResultMapperInvalidArgument());
}
/* Clear the output. */
std::memset(dst, 0, size);
/* Check that our offset is valid. */
R_UNLESS(offset <= m_file_size, ncm::ResultMapperInvalidArgument());
/* Ensure we're open. */
R_TRY(this->EnsureOpen());
/* Read what we can. */
const size_t read_size = (offset + size >= m_file_size) ? (m_file_size - offset) : size;
AMS_ASSERT(read_size >= size);
R_TRY(fs::ReadFile(m_file.value(), offset, dst, read_size));
/* Update our max size. */
m_max_size = std::max<size_t>(m_max_size, offset + read_size);
R_SUCCEED();
}
private:
Result EnsureOpen() {
/* If we've opened, we're done. */
R_SUCCEED_IF(m_file.has_value());
/* Open based on our mode. */
fs::FileHandle file;
switch (m_mode) {
case OpenMode::Read: R_TRY(fs::OpenFile(std::addressof(file), m_path, fs::OpenMode_Read)); break;
case OpenMode::ReadWrite: R_TRY(fs::OpenFile(std::addressof(file), m_path, fs::OpenMode_ReadWrite)); break;
case OpenMode::ReadWriteAppend: R_TRY(fs::OpenFile(std::addressof(file), m_path, fs::OpenMode_All)); break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Set our file. */
m_file = file;
R_SUCCEED();
}
};
}

6
libraries/libstratosphere/source/ncm/ncm_fs_utils.hpp
View file

@ -18,6 +18,8 @@
namespace ams::ncm::impl { namespace ams::ncm::impl {
using FilePathString = kvdb::BoundedString<64>;
Result CopyFile(const char *dst_path, const char *src_path); Result CopyFile(const char *dst_path, const char *src_path);
class PathView { class PathView {
@ -34,6 +36,8 @@ namespace ams::ncm::impl {
char str[fs::MountNameLengthMax + 1]; char str[fs::MountNameLengthMax + 1];
}; };
using MountNameString = kvdb::BoundedString<sizeof(MountName{}.str)>;
struct RootDirectoryPath { struct RootDirectoryPath {
char str[fs::MountNameLengthMax + 3]; /* mount name + :/ */ char str[fs::MountNameLengthMax + 3]; /* mount name + :/ */
}; };
@ -41,4 +45,6 @@ namespace ams::ncm::impl {
MountName CreateUniqueMountName(); MountName CreateUniqueMountName();
RootDirectoryPath GetRootDirectoryPath(const MountName &mount_name); RootDirectoryPath GetRootDirectoryPath(const MountName &mount_name);
Result MountContentMetaImpl(const char *mount_name, const char *path);
} }

24
libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp
View file

@ -14,6 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#include <stratosphere.hpp> #include <stratosphere.hpp>
#include "ncm_extended_data_mapper.hpp"
namespace ams::ncm { namespace ams::ncm {
@ -989,10 +990,7 @@ namespace ams::ncm {
Result InstallTaskBase::GetInstallContentMetaDataFromPath(AutoBuffer *out, const Path &path, const InstallContentInfo &content_info, util::optional<u32> source_version) { Result InstallTaskBase::GetInstallContentMetaDataFromPath(AutoBuffer *out, const Path &path, const InstallContentInfo &content_info, util::optional<u32> source_version) {
AutoBuffer meta; AutoBuffer meta;
{ R_TRY(ReadContentMetaPathWithoutExtendedDataOrDigestSuppressingFsAbort(std::addressof(meta), path.str));
fs::ScopedAutoAbortDisabler aad;
R_TRY(ReadContentMetaPath(std::addressof(meta), path.str));
}
/* Create a reader. */ /* Create a reader. */
PackagedContentMetaReader reader(meta.Get(), meta.GetSize()); PackagedContentMetaReader reader(meta.Get(), meta.GetSize());
@ -1000,10 +998,20 @@ namespace ams::ncm {
AutoBuffer install_meta_data; AutoBuffer install_meta_data;
if (source_version) { if (source_version) {
/* Convert to fragment only install content meta. */ /* Declare buffers. */
R_TRY(reader.CalculateConvertFragmentOnlyInstallContentMetaSize(std::addressof(meta_size), *source_version)); constexpr size_t BufferCount = 2;
R_TRY(install_meta_data.Initialize(meta_size)); constexpr size_t BufferSize = 3_KB;
reader.ConvertToFragmentOnlyInstallContentMeta(install_meta_data.Get(), install_meta_data.GetSize(), content_info, *source_version); u8 buffers[BufferCount][BufferSize];
/* Create a mapper. */
auto mapper = MultiCacheReadonlyMapper<4>(Span<u8>(buffers[0], sizeof(buffers[0])), Span<u8>(buffers[1], sizeof(buffers[1])));
R_TRY(mapper.Initialize(path.str, true));
/* Create an accessor. */
auto accessor = PatchMetaExtendedDataAccessor{std::addressof(mapper)};
/* Convert to fragment only install meta. */
R_TRY(MetaConverter::GetFragmentOnlyInstallContentMeta(std::addressof(install_meta_data), content_info, reader, std::addressof(accessor), source_version.value()));
} else { } else {
/* Convert to install content meta. */ /* Convert to install content meta. */
meta_size = reader.CalculateConvertInstallContentMetaSize(); meta_size = reader.CalculateConvertInstallContentMetaSize();

14
libraries/libstratosphere/source/ncm/ncm_make_path.cpp
View file

@ -20,7 +20,7 @@ namespace ams::ncm {
namespace { namespace {
void MakeContentName(PathString *out, ContentId id) { void MakeContentName(PathString *out, ContentId id) {
out->SetFormat("%s.nca", GetContentIdString(id).data); out->AssignFormat("%s.nca", GetContentIdString(id).data);
} }
void MakePlaceHolderName(PathString *out, PlaceHolderId id) { void MakePlaceHolderName(PathString *out, PlaceHolderId id) {
@ -63,7 +63,7 @@ namespace ams::ncm {
MakeContentName(std::addressof(content_name), content_id); MakeContentName(std::addressof(content_name), content_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%s", root_path, content_name.Get()); out->AssignFormat("%s/%s", root_path, content_name.Get());
} }
void MakeSha256HierarchicalContentFilePath_ForFat4KCluster(PathString *out, ContentId content_id, const char *root_path) { void MakeSha256HierarchicalContentFilePath_ForFat4KCluster(PathString *out, ContentId content_id, const char *root_path) {
@ -77,7 +77,7 @@ namespace ams::ncm {
MakeContentName(std::addressof(content_name), content_id); MakeContentName(std::addressof(content_name), content_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%08X/%08X/%s", root_path, hash_upper, hash_lower, content_name.Get()); out->AssignFormat("%s/%08X/%08X/%s", root_path, hash_upper, hash_lower, content_name.Get());
} }
void MakeSha256HierarchicalContentFilePath_ForFat32KCluster(PathString *out, ContentId content_id, const char *root_path) { void MakeSha256HierarchicalContentFilePath_ForFat32KCluster(PathString *out, ContentId content_id, const char *root_path) {
@ -89,7 +89,7 @@ namespace ams::ncm {
MakeContentName(std::addressof(content_name), content_id); MakeContentName(std::addressof(content_name), content_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%08X/%s", root_path, hash, content_name.Get()); out->AssignFormat("%s/%08X/%s", root_path, hash, content_name.Get());
} }
void MakeSha256HierarchicalContentFilePath_ForFat16KCluster(PathString *out, ContentId content_id, const char *root_path) { void MakeSha256HierarchicalContentFilePath_ForFat16KCluster(PathString *out, ContentId content_id, const char *root_path) {
@ -101,7 +101,7 @@ namespace ams::ncm {
MakeContentName(std::addressof(content_name), content_id); MakeContentName(std::addressof(content_name), content_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%08X/%s", root_path, hash_byte, content_name.Get()); out->AssignFormat("%s/%08X/%s", root_path, hash_byte, content_name.Get());
} }
size_t GetHierarchicalContentDirectoryDepth(MakeContentPathFunction func) { size_t GetHierarchicalContentDirectoryDepth(MakeContentPathFunction func) {
@ -123,7 +123,7 @@ namespace ams::ncm {
MakePlaceHolderName(std::addressof(placeholder_name), placeholder_id); MakePlaceHolderName(std::addressof(placeholder_name), placeholder_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%s", root_path, placeholder_name.Get()); out->AssignFormat("%s/%s", root_path, placeholder_name.Get());
} }
void MakeSha256HierarchicalPlaceHolderFilePath_ForFat16KCluster(PathString *out, PlaceHolderId placeholder_id, const char *root_path) { void MakeSha256HierarchicalPlaceHolderFilePath_ForFat16KCluster(PathString *out, PlaceHolderId placeholder_id, const char *root_path) {
@ -135,7 +135,7 @@ namespace ams::ncm {
MakePlaceHolderName(std::addressof(placeholder_name), placeholder_id); MakePlaceHolderName(std::addressof(placeholder_name), placeholder_id);
/* Format the output path. */ /* Format the output path. */
out->SetFormat("%s/%08X/%s", root_path, hash_byte, placeholder_name.Get()); out->AssignFormat("%s/%08X/%s", root_path, hash_byte, placeholder_name.Get());
} }
size_t GetHierarchicalPlaceHolderDirectoryDepth(MakePlaceHolderPathFunction func) { size_t GetHierarchicalPlaceHolderDirectoryDepth(MakePlaceHolderPathFunction func) {

10
libraries/libstratosphere/source/ncm/ncm_package_install_task_base.cpp
View file

@ -19,7 +19,7 @@ namespace ams::ncm {
Result PackageInstallTaskBase::Initialize(const char *package_root_path, void *buffer, size_t buffer_size, StorageId storage_id, InstallTaskDataBase *data, u32 config) { Result PackageInstallTaskBase::Initialize(const char *package_root_path, void *buffer, size_t buffer_size, StorageId storage_id, InstallTaskDataBase *data, u32 config) {
R_TRY(InstallTaskBase::Initialize(storage_id, data, config)); R_TRY(InstallTaskBase::Initialize(storage_id, data, config));
m_package_root.Set(package_root_path); m_package_root.Assign(package_root_path);
m_buffer = buffer; m_buffer = buffer;
m_buffer_size = buffer_size; m_buffer_size = buffer_size;
return ResultSuccess(); return ResultSuccess();
@ -110,25 +110,25 @@ namespace ams::ncm {
void PackageInstallTaskBase::CreateContentPath(PackagePath *out_path, ContentId content_id) { void PackageInstallTaskBase::CreateContentPath(PackagePath *out_path, ContentId content_id) {
char str[ContentIdStringLength + 1] = {}; char str[ContentIdStringLength + 1] = {};
GetStringFromContentId(str, sizeof(str), content_id); GetStringFromContentId(str, sizeof(str), content_id);
out_path->SetFormat("%s%s%s", m_package_root.Get(), str, ".nca"); out_path->AssignFormat("%s%s%s", m_package_root.Get(), str, ".nca");
} }
void PackageInstallTaskBase::CreateContentMetaPath(PackagePath *out_path, ContentId content_id) { void PackageInstallTaskBase::CreateContentMetaPath(PackagePath *out_path, ContentId content_id) {
char str[ContentIdStringLength + 1] = {}; char str[ContentIdStringLength + 1] = {};
GetStringFromContentId(str, sizeof(str), content_id); GetStringFromContentId(str, sizeof(str), content_id);
out_path->SetFormat("%s%s%s", m_package_root.Get(), str, ".cnmt.nca"); out_path->AssignFormat("%s%s%s", m_package_root.Get(), str, ".cnmt.nca");
} }
void PackageInstallTaskBase::CreateTicketPath(PackagePath *out_path, fs::RightsId id) { void PackageInstallTaskBase::CreateTicketPath(PackagePath *out_path, fs::RightsId id) {
char str[RightsIdStringLength + 1] = {}; char str[RightsIdStringLength + 1] = {};
GetStringFromRightsId(str, sizeof(str), id); GetStringFromRightsId(str, sizeof(str), id);
out_path->SetFormat("%s%s%s", m_package_root.Get(), str, ".tik"); out_path->AssignFormat("%s%s%s", m_package_root.Get(), str, ".tik");
} }
void PackageInstallTaskBase::CreateCertificatePath(PackagePath *out_path, fs::RightsId id) { void PackageInstallTaskBase::CreateCertificatePath(PackagePath *out_path, fs::RightsId id) {
char str[RightsIdStringLength + 1] = {}; char str[RightsIdStringLength + 1] = {};
GetStringFromRightsId(str, sizeof(str), id); GetStringFromRightsId(str, sizeof(str), id);
out_path->SetFormat("%s%s%s", m_package_root.Get(), str, ".cert"); out_path->AssignFormat("%s%s%s", m_package_root.Get(), str, ".cert");
} }
} }

2
libraries/libstratosphere/source/ncm/ncm_package_system_update_task.cpp
View file

@ -66,7 +66,7 @@ namespace ams::ncm {
meta_db_guard.Cancel(); meta_db_guard.Cancel();
/* Set the context path. */ /* Set the context path. */
m_context_path.Set(context_path); m_context_path.Assign(context_path);
return ResultSuccess(); return ResultSuccess();
} }

2
libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.cpp
View file

@ -30,7 +30,7 @@ namespace ams::ncm {
constexpr inline size_t PlaceHolderFileNameLength = PlaceHolderFileNameLengthWithoutExtension + PlaceHolderExtensionLength; constexpr inline size_t PlaceHolderFileNameLength = PlaceHolderFileNameLengthWithoutExtension + PlaceHolderExtensionLength;
void MakeBasePlaceHolderDirectoryPath(PathString *out, const char *root_path) { void MakeBasePlaceHolderDirectoryPath(PathString *out, const char *root_path) {
out->SetFormat("%s%s", root_path, BasePlaceHolderDirectory); out->AssignFormat("%s%s", root_path, BasePlaceHolderDirectory);
} }
void MakePlaceHolderFilePath(PathString *out, PlaceHolderId id, MakePlaceHolderPathFunction func, const char *root_path) { void MakePlaceHolderFilePath(PathString *out, PlaceHolderId id, MakePlaceHolderPathFunction func, const char *root_path) {

4
libraries/libstratosphere/source/ncm/ncm_read_only_content_storage_impl.cpp
View file

@ -31,7 +31,7 @@ namespace ams::ncm {
func(std::addressof(path), id, root_path); func(std::addressof(path), id, root_path);
/* Substitute the .nca extension with .cmnt.nca. */ /* Substitute the .nca extension with .cmnt.nca. */
*out = path.GetSubstring(0, path.GetLength() - 4); *out = path.MakeSubString(0, path.GetLength() - 4);
out->Append(".cnmt.nca"); out->Append(".cnmt.nca");
} }
@ -55,7 +55,7 @@ namespace ams::ncm {
Result ReadOnlyContentStorageImpl::Initialize(const char *path, MakeContentPathFunction content_path_func) { Result ReadOnlyContentStorageImpl::Initialize(const char *path, MakeContentPathFunction content_path_func) {
R_TRY(this->EnsureEnabled()); R_TRY(this->EnsureEnabled());
m_root_path.Set(path); m_root_path.Assign(path);
m_make_content_path_func = content_path_func; m_make_content_path_func = content_path_func;
return ResultSuccess(); return ResultSuccess();
} }

2
libraries/libstratosphere/source/pgl/srv/pgl_srv_shell_host_utils.cpp
View file

@ -263,7 +263,7 @@ namespace ams::pgl::srv {
R_UNLESS(has_content, pgl::ResultContentMetaNotFound()); R_UNLESS(has_content, pgl::ResultContentMetaNotFound());
/* Read the content meta buffer. */ /* Read the content meta buffer. */
return ncm::ReadContentMetaPath(std::addressof(m_content_meta_buffer), meta_path.str); return ncm::ReadContentMetaPathWithoutExtendedDataOrDigest(std::addressof(m_content_meta_buffer), meta_path.str);
} }
Result SearchContent(bool *out, lr::Path *out_path, const char *extension, fs::OpenDirectoryMode mode) const { Result SearchContent(bool *out, lr::Path *out_path, const char *extension, fs::OpenDirectoryMode mode) const {

8
libraries/libvapours/include/vapours/results/ncm_results.hpp
View file

@ -44,12 +44,14 @@ namespace ams::ncm {
R_DEFINE_ERROR_RESULT(ContentInfoNotFound, 220); R_DEFINE_ERROR_RESULT(ContentInfoNotFound, 220);
R_DEFINE_ERROR_RESULT(DeltaNotFound, 237); R_DEFINE_ERROR_RESULT(DeltaNotFound, 237);
R_DEFINE_ERROR_RESULT(InvalidContentMetaKey, 240); R_DEFINE_ERROR_RESULT(InvalidContentMetaKey, 240);
R_DEFINE_ERROR_RESULT(FragmentIndicatorNotFound, 242);
R_DEFINE_ERROR_RESULT(IgnorableInstallTicketFailure, 280); R_DEFINE_ERROR_RESULT(IgnorableInstallTicketFailure, 280);
R_DEFINE_ERROR_RESULT(ContentStorageBaseNotFound, 310); R_DEFINE_ERROR_RESULT(ContentStorageBaseNotFound, 310);
R_DEFINE_ERROR_RESULT(ListPartiallyNotCommitted, 330); R_DEFINE_ERROR_RESULT(ListPartiallyNotCommitted, 330);
R_DEFINE_ERROR_RESULT(UnexpectedContentMetaPrepared, 360); R_DEFINE_ERROR_RESULT(UnexpectedContentMetaPrepared, 360);
R_DEFINE_ERROR_RESULT(InvalidFirmwareVariation, 380); R_DEFINE_ERROR_RESULT(InvalidFirmwareVariation, 380);
R_DEFINE_ERROR_RESULT(InvalidContentMetaFileSize, 390);
R_DEFINE_ERROR_RANGE(ContentStorageNotActive, 250, 258); R_DEFINE_ERROR_RANGE(ContentStorageNotActive, 250, 258);
R_DEFINE_ERROR_RESULT(GameCardContentStorageNotActive, 251); R_DEFINE_ERROR_RESULT(GameCardContentStorageNotActive, 251);
@ -69,6 +71,12 @@ namespace ams::ncm {
R_DEFINE_ERROR_RESULT(CreatePlaceHolderCancelled, 291); R_DEFINE_ERROR_RESULT(CreatePlaceHolderCancelled, 291);
R_DEFINE_ERROR_RESULT(WritePlaceHolderCancelled, 292); R_DEFINE_ERROR_RESULT(WritePlaceHolderCancelled, 292);
/* TODO: Range */
R_DEFINE_ERROR_RESULT(MapperBusy, 1010);
R_DEFINE_ERROR_RESULT(MapperInvalidArgument, 1030);
R_DEFINE_ERROR_RESULT(MapperNotSupported, 1040);
R_DEFINE_ERROR_RESULT(MapperNotMapped, 1050);
R_DEFINE_ERROR_RESULT(InvalidOperation, 8180); R_DEFINE_ERROR_RESULT(InvalidOperation, 8180);
R_DEFINE_ERROR_RANGE(InvalidArgument, 8181, 8191); R_DEFINE_ERROR_RANGE(InvalidArgument, 8181, 8191);
R_DEFINE_ERROR_RESULT(InvalidOffset, 8182); R_DEFINE_ERROR_RESULT(InvalidOffset, 8182);

1
libraries/libvapours/source/crypto/impl/crypto_cbc_mac_impl.cpp
View file

@ -51,6 +51,7 @@ namespace ams::crypto::impl {
/* Check pre-conditions. */ /* Check pre-conditions. */
AMS_ASSERT(m_state == State_Initialized || m_state == State_Done); AMS_ASSERT(m_state == State_Initialized || m_state == State_Done);
AMS_ASSERT(mac_size >= BlockSize); AMS_ASSERT(mac_size >= BlockSize);
AMS_UNUSED(mac_size);
/* Ensure we're done. */ /* Ensure we're done. */
if (m_state == State_Initialized) { if (m_state == State_Initialized) {

4
stratosphere/ams_mitm/source/sysupdater/sysupdater_service.cpp
View file

@ -69,7 +69,7 @@ namespace ams::mitm::sysupdater {
char path[ams::fs::EntryNameLengthMax]; char path[ams::fs::EntryNameLengthMax];
R_TRY(ConvertToFsCommonPath(path, sizeof(path), package_root_path, entry.name)); R_TRY(ConvertToFsCommonPath(path, sizeof(path), package_root_path, entry.name));
return ncm::ReadContentMetaPath(out, path); return ncm::ReadContentMetaPathAlongWithExtendedDataAndDigest(out, path);
} }
Result ReadContentMetaPath(ncm::AutoBuffer *out, const char *package_root, const ncm::ContentInfo &content_info) { Result ReadContentMetaPath(ncm::AutoBuffer *out, const char *package_root, const ncm::ContentInfo &content_info) {
@ -84,7 +84,7 @@ namespace ams::mitm::sysupdater {
R_TRY(ConvertToFsCommonPath(content_path.str, sizeof(content_path.str), package_root, cnmt_nca_name)); R_TRY(ConvertToFsCommonPath(content_path.str, sizeof(content_path.str), package_root, cnmt_nca_name));
/* Read the content meta path. */ /* Read the content meta path. */
return ncm::ReadContentMetaPath(out, content_path.str); return ncm::ReadContentMetaPathAlongWithExtendedDataAndDigest(out, content_path.str);
} }
Result GetSystemUpdateUpdateContentInfoFromPackage(ncm::ContentInfo *out, const char *package_root) { Result GetSystemUpdateUpdateContentInfoFromPackage(ncm::ContentInfo *out, const char *package_root) {