diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-16 19:56:21 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-08-16 19:56:21 +0200 |
| commit | 1a32b9307357ac0fc9095e853b2b6d94f9fe62bb (patch) | |
| tree | f41f723659c8926e38182fbe062746d821ab487e /dev/kernel/src/FS | |
| parent | eb9df5eea339812513c25a8d3b2eeb03c633e7ac (diff) | |
| parent | b301047903b79560dce69085fc271a653a1eb4b6 (diff) | |
Merge pull request #55 from nekernel-org/dev
v0.0.4
Diffstat (limited to 'dev/kernel/src/FS')
| -rw-r--r-- | dev/kernel/src/FS/HeFS+FileSystemParser.cc | 20 | ||||
| -rw-r--r-- | dev/kernel/src/FS/NeFS+FileSystemParser.cc | 62 |
2 files changed, 45 insertions, 37 deletions
diff --git a/dev/kernel/src/FS/HeFS+FileSystemParser.cc b/dev/kernel/src/FS/HeFS+FileSystemParser.cc index 39f8c0a1..344369d5 100644 --- a/dev/kernel/src/FS/HeFS+FileSystemParser.cc +++ b/dev/kernel/src/FS/HeFS+FileSystemParser.cc @@ -89,6 +89,8 @@ namespace Detail { /// @param path the directory path. /// @return The hashed path. STATIC UInt64 hefsi_hash_64(const Utf8Char* path) { + if (!path || *path == 0) return 0; + const UInt64 FNV_OFFSET_BASIS = 0xcbf29ce484222325ULL; const UInt64 FNV_PRIME = 0x100000001b3ULL; @@ -798,11 +800,11 @@ _Output Bool HeFileSystemParser::Format(_Input _Output DriveTrait* mnt, _Input c return NO; } - rt_copy_memory((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, - rt_string_len("fs/hefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, + rt_string_len("fs/hefs-packet"), sizeof(mnt->fPacket.fPacketMime)); urt_copy_memory((VoidPtr) vol_name, boot->fVolName, urt_string_len(vol_name) + 1); - rt_copy_memory((VoidPtr) kHeFSMagic, boot->fMagic, kHeFSMagicLen - 1); + rt_copy_memory_safe((VoidPtr) kHeFSMagic, boot->fMagic, kHeFSMagicLen - 1, sizeof(boot->fMagic)); if (mnt->fLbaStart > mnt->fLbaEnd) { err_global_get() = kErrorDiskIsCorrupted; @@ -906,8 +908,8 @@ _Output Bool HeFileSystemParser::INodeDirectoryCtlManip(_Input DriveTrait* mnt, HEFS_BOOT_NODE* boot = (HEFS_BOOT_NODE*) mm_alloc_ptr(sizeof(HEFS_BOOT_NODE), Yes, No); - rt_copy_memory((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, - rt_string_len("fs/hefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, + rt_string_len("fs/hefs-packet"), sizeof(mnt->fPacket.fPacketMime)); mnt->fPacket.fPacketLba = mnt->fLbaStart; mnt->fPacket.fPacketSize = sizeof(HEFS_BOOT_NODE); @@ -992,8 +994,8 @@ _Output Bool HeFileSystemParser::INodeManip(_Input DriveTrait* mnt, VoidPtr bloc return NO; } - rt_copy_memory((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, - rt_string_len("fs/hefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, + rt_string_len("fs/hefs-packet"), sizeof(mnt->fPacket.fPacketMime)); mnt->fPacket.fPacketLba = mnt->fLbaStart; mnt->fPacket.fPacketSize = sizeof(HEFS_BOOT_NODE); @@ -1078,8 +1080,8 @@ _Output Bool HeFileSystemParser::INodeCtlManip(_Input DriveTrait* mnt, _Input co return NO; } - rt_copy_memory((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, - rt_string_len("fs/hefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/hefs-packet", mnt->fPacket.fPacketMime, + rt_string_len("fs/hefs-packet"), sizeof(mnt->fPacket.fPacketMime)); mnt->fPacket.fPacketLba = mnt->fLbaStart; mnt->fPacket.fPacketSize = sizeof(HEFS_BOOT_NODE); diff --git a/dev/kernel/src/FS/NeFS+FileSystemParser.cc b/dev/kernel/src/FS/NeFS+FileSystemParser.cc index 18595e9f..7b9ebcd6 100644 --- a/dev/kernel/src/FS/NeFS+FileSystemParser.cc +++ b/dev/kernel/src/FS/NeFS+FileSystemParser.cc @@ -154,8 +154,8 @@ _Output BOOL NeFileSystemParser::CreateFork(_Input NEFS_FORK_STRUCT& the_fork) { /// @return the newly found fork. /***********************************************************************************/ _Output NEFS_FORK_STRUCT* NeFileSystemParser::FindFork(_Input NEFS_CATALOG_STRUCT* catalog, - _Input const Char* name, - _Input Boolean is_data) { + _Input const Char* name, + _Input Boolean is_data) { if (!catalog || !name) return nullptr; auto& drive = kMountpoint.A(); @@ -167,8 +167,8 @@ _Output NEFS_FORK_STRUCT* NeFileSystemParser::FindFork(_Input NEFS_CATALOG_STRUC drive.fPacket.fPacketSize = sizeof(NEFS_FORK_STRUCT); drive.fPacket.fPacketContent = reinterpret_cast<VoidPtr>(&local_buf); - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); if (auto res = fs_ifs_read(&kMountpoint, drive, this->mDriveIndex); res) { switch (res) { @@ -190,7 +190,7 @@ _Output NEFS_FORK_STRUCT* NeFileSystemParser::FindFork(_Input NEFS_CATALOG_STRUC if (KStringBuilder::Equals(local_buf.ForkName, name) && KStringBuilder::Equals(local_buf.CatalogName, catalog->Name)) { auto result = new NEFS_FORK_STRUCT(); - rt_copy_memory(&local_buf, result, sizeof(NEFS_FORK_STRUCT)); + rt_copy_memory_safe(&local_buf, result, sizeof(NEFS_FORK_STRUCT), sizeof(NEFS_FORK_STRUCT)); return result; } @@ -217,7 +217,7 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char /// @param kind the catalog kind. /// @return catalog pointer. /***********************************************************************************/ -_Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char* name, +_Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char* name, _Input const Int32& flags, _Input const Int32& kind) { kout << "CreateCatalog(*...*)\r"; @@ -249,7 +249,7 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char } Char* parent_name = (Char*) mm_alloc_ptr(nameLen + 1, Yes, No); - rt_copy_memory(const_cast<Char*>(name), parent_name, nameLen + 1); + rt_copy_memory_safe(const_cast<Char*>(name), parent_name, nameLen + 1, nameLen + 1); if (nameLen < 2) { mm_free_ptr(parent_name); @@ -312,13 +312,14 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char --i; if (kind == kNeFSCatalogKindDir) --i; while (name[i] != '/') --i; - rt_copy_memory((VoidPtr) (name + i), (VoidPtr) child_catalog->Name, rt_string_len(name) - i); + rt_copy_memory_safe((VoidPtr) (name + i), (VoidPtr) child_catalog->Name, rt_string_len(name) - i, + kNeFSCatalogNameLen); NEFS_CATALOG_STRUCT temporary_catalog{}; Lba start_free = out_lba; - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); Char buf_part_block[sizeof(NEFS_ROOT_PARTITION_BLOCK)] = {0}; drive.fPacket.fPacketContent = reinterpret_cast<VoidPtr>(buf_part_block); @@ -380,13 +381,15 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::CreateCatalog(_Input const Char delete catalog; NEFS_CATALOG_STRUCT* found_catalog = new NEFS_CATALOG_STRUCT(); - rt_copy_memory(&temporary_catalog, found_catalog, sizeof(NEFS_CATALOG_STRUCT)); + rt_copy_memory_safe(&temporary_catalog, found_catalog, sizeof(NEFS_CATALOG_STRUCT), + sizeof(NEFS_CATALOG_STRUCT)); delete child_catalog; return found_catalog; } else if ((temporary_catalog.Flags & kNeFSFlagCreated) && KStringBuilder::Equals(temporary_catalog.Name, name)) { - rt_copy_memory(&temporary_catalog, child_catalog, sizeof(NEFS_CATALOG_STRUCT)); + rt_copy_memory_safe(&temporary_catalog, child_catalog, sizeof(NEFS_CATALOG_STRUCT), + sizeof(NEFS_CATALOG_STRUCT)); delete catalog; return child_catalog; } @@ -411,8 +414,8 @@ bool NeFileSystemParser::Format(_Input _Output DriveTrait* drive, _Input const I // verify disk. drive->fVerify(drive->fPacket); - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive->fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive->fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive->fPacket.fPacketMime)); if (!drive->fPacket.fPacketGood) { err_global_get() = kErrorDiskIsCorrupted; return false; @@ -430,9 +433,10 @@ bool NeFileSystemParser::Format(_Input _Output DriveTrait* drive, _Input const I if (rt_string_cmp(kNeFSIdent, part_block->Ident, kNeFSIdentLen) == 0) return true; const auto kNeFSUntitledHD = part_name; - rt_copy_memory((VoidPtr) kNeFSIdent, (VoidPtr) part_block->Ident, kNeFSIdentLen); - rt_copy_memory((VoidPtr) kNeFSUntitledHD, (VoidPtr) part_block->PartitionName, - rt_string_len(kNeFSUntitledHD)); + rt_copy_memory_safe((VoidPtr) kNeFSIdent, (VoidPtr) part_block->Ident, kNeFSIdentLen, + sizeof(part_block->Ident)); + rt_copy_memory_safe((VoidPtr) kNeFSUntitledHD, (VoidPtr) part_block->PartitionName, + rt_string_len(kNeFSUntitledHD), sizeof(part_block->PartitionName)); SizeT sectorCount = drv_std_get_sector_count(); SizeT sectorSize = drive->fSectorSz; @@ -513,9 +517,9 @@ bool NeFileSystemParser::WriteCatalog(_Input const Char* catalog_name, Bool is_r auto buf = new UInt8[size_of_data]; rt_set_memory(buf, 0, size_of_data); - rt_copy_memory(data, buf, size_of_data); - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe(data, buf, size_of_data, size_of_data); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); NEFS_FORK_STRUCT* fork_data_input = new NEFS_FORK_STRUCT(); NEFS_FORK_STRUCT prev_fork{}; @@ -577,8 +581,8 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::FindCatalog(_Input const Char* NEFS_ROOT_PARTITION_BLOCK part{}; auto& drive = kMountpoint.A(); - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); drive.fPacket.fPacketContent = reinterpret_cast<VoidPtr>(&part); drive.fPacket.fPacketSize = sizeof(NEFS_ROOT_PARTITION_BLOCK); drive.fPacket.fPacketLba = kNeFSRootCatalogStartAddress; @@ -607,7 +611,8 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::FindCatalog(_Input const Char* return nullptr; } NEFS_CATALOG_STRUCT* catalog_ptr = new NEFS_CATALOG_STRUCT(); - rt_copy_memory(&tmp, catalog_ptr, sizeof(NEFS_CATALOG_STRUCT)); + rt_copy_memory_safe(&tmp, catalog_ptr, sizeof(NEFS_CATALOG_STRUCT), + sizeof(NEFS_CATALOG_STRUCT)); out_lba = cursor; return catalog_ptr; } @@ -619,7 +624,8 @@ _Output NEFS_CATALOG_STRUCT* NeFileSystemParser::FindCatalog(_Input const Char* if (!KStringBuilder::Equals(catalog_name, NeFileSystemHelper::Root()) && local_search) { Char parent_name[kNeFSCatalogNameLen] = {0}; SizeT nameLen = rt_string_len(catalog_name); - rt_copy_memory(const_cast<Char*>(catalog_name), parent_name, nameLen + 1); + rt_copy_memory_safe(const_cast<Char*>(catalog_name), parent_name, nameLen + 1, + kNeFSCatalogNameLen); SizeT indexReverseCopy = nameLen - 1; if (parent_name[indexReverseCopy] == NeFileSystemHelper::Separator()) { @@ -727,8 +733,8 @@ _Output Boolean NeFileSystemParser::RemoveCatalog(_Input const Char* catalog_nam catalog->Flags &= (~kNeFSFlagCreated); catalog->Flags |= kNeFSFlagDeleted; - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); drive.fPacket.fPacketLba = out_lba; drive.fPacket.fPacketSize = sizeof(NEFS_CATALOG_STRUCT); drive.fPacket.fPacketContent = reinterpret_cast<VoidPtr>(catalog); @@ -795,8 +801,8 @@ VoidPtr NeFileSystemParser::ReadCatalog(_Input _Output NEFS_CATALOG_STRUCT* cata } auto* fs_buf = new NEFS_FORK_STRUCT(); - rt_copy_memory((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, - rt_string_len("fs/nefs-packet")); + rt_copy_memory_safe((VoidPtr) "fs/nefs-packet", drive.fPacket.fPacketMime, + rt_string_len("fs/nefs-packet"), sizeof(drive.fPacket.fPacketMime)); NEFS_FORK_STRUCT* fs_fork_data = nullptr; while (dataForkLba >= kNeFSCatalogStartAddress) { |
