#include <mountmgr.h>
#ifdef __REACTOS__
#include <winnls.h>
+#include <stdbool.h>
#include "btrfs.h"
#include "btrfsioctl.h"
+#include "crc32c.h"
+#include "xxhash.h"
#else
#include <stringapiset.h>
+#include <stdbool.h>
#include "../btrfs.h"
#include "../btrfsioctl.h"
+#include "../crc32c.h"
+#include "../xxhash.h"
+
+#if defined(_X86_) || defined(_AMD64_)
+#ifndef _MSC_VER
+#include <cpuid.h>
+#else
+#include <intrin.h>
#endif
+#endif
+#endif // __REACTOS__
+
+#define SHA256_HASH_SIZE 32
+void calc_sha256(uint8_t* hash, const void* input, size_t len);
+
+#define BLAKE2_HASH_SIZE 32
+void blake2b(void *out, size_t outlen, const void* in, size_t inlen);
#ifndef __REACTOS__
#define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
#ifdef __cplusplus
}
#endif
-#endif
+#endif // __REACTOS__
// These are undocumented, and what comes from format.exe
typedef struct {
HMODULE module;
ULONG def_sector_size = 0, def_node_size = 0;
uint64_t def_incompat_flags = BTRFS_INCOMPAT_FLAGS_EXTENDED_IREF | BTRFS_INCOMPAT_FLAGS_SKINNY_METADATA;
+uint16_t def_csum_type = CSUM_TYPE_CRC32C;
// the following definitions come from fmifs.h in ReactOS
typedef BOOLEAN (NTAPI* PFMIFSCALLBACK)(CALLBACKCOMMAND Command, ULONG SubAction, PVOID ActionInfo);
-static const uint32_t crctable[] = {
- 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c, 0x26a1e7e8, 0xd4ca64eb,
- 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24,
- 0x105ec76f, 0xe235446c, 0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384,
- 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc, 0xbc267848, 0x4e4dfb4b,
- 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, 0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35,
- 0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa,
- 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad, 0x1642ae59, 0xe4292d5a,
- 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, 0x7da08661, 0x8fcb0562, 0x9c9bf696, 0x6ef07595,
- 0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957,
- 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f, 0xed03a29b, 0x1f682198,
- 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38,
- 0xdbfc821c, 0x2997011f, 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0x0f36e6f7,
- 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e, 0x4767748a, 0xb50cf789,
- 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859, 0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46,
- 0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011, 0x5739b3e5, 0xa55230e6,
- 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de, 0xdde0eb2a, 0x2f8b6829,
- 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, 0x456cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93,
- 0x082f63b7, 0xfa44e0b4, 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c,
- 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b, 0xb4091bff, 0x466298fc,
- 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c, 0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033,
- 0xa24bb5a6, 0x502036a5, 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d,
- 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975, 0x0e330a81, 0xfc588982,
- 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, 0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622,
- 0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a, 0x1e6dcdee, 0xec064eed,
- 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8, 0xe52cc12c, 0x1747422f,
- 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, 0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0,
- 0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf5720643, 0x07198540,
- 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78, 0x7fab5e8c, 0x8dc0dd8f,
- 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee, 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1,
- 0x69e9f0d5, 0x9b8273d6, 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e,
- 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69, 0xd5cf889d, 0x27a40b9e,
- 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e, 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351,
-};
-
-static uint32_t calc_crc32c(uint32_t seed, uint8_t* msg, ULONG msglen) {
- uint32_t rem;
- ULONG i;
-
- rem = seed;
-
- for (i = 0; i < msglen; i++) {
- rem = crctable[(rem ^ msg[i]) & 0xff] ^ (rem >> 8);
- }
-
- return rem;
-}
-
#ifndef __REACTOS__
NTSTATUS WINAPI ChkdskEx(PUNICODE_STRING DriveRoot, BOOLEAN FixErrors, BOOLEAN Verbose, BOOLEAN CheckOnlyIfDirty,
#else
return c;
}
-static BOOL superblock_collision(btrfs_chunk* c, uint64_t address) {
+static bool superblock_collision(btrfs_chunk* c, uint64_t address) {
CHUNK_ITEM_STRIPE* cis = (CHUNK_ITEM_STRIPE*)&c->chunk_item[1];
uint64_t stripe = (address - c->offset) / c->chunk_item->stripe_length;
uint16_t i, j;
uint64_t stripe2 = (superblock_addrs[j] - cis[i].offset) / c->chunk_item->stripe_length;
if (stripe2 == stripe)
- return TRUE;
+ return true;
}
j++;
}
}
- return FALSE;
+ return false;
}
static uint64_t get_next_address(btrfs_chunk* c) {
} EXTENT_ITEM_METADATA2;
static void assign_addresses(LIST_ENTRY* roots, btrfs_chunk* sys_chunk, btrfs_chunk* metadata_chunk, uint32_t node_size,
- btrfs_root* root_root, btrfs_root* extent_root, BOOL skinny) {
+ btrfs_root* root_root, btrfs_root* extent_root, bool skinny) {
LIST_ENTRY* le;
le = roots->Flink;
return STATUS_SUCCESS;
}
+static void calc_tree_checksum(tree_header* th, uint32_t node_size) {
+ switch (def_csum_type) {
+ case CSUM_TYPE_CRC32C:
+ *(uint32_t*)th = ~calc_crc32c(0xffffffff, (uint8_t*)&th->fs_uuid, node_size - sizeof(th->csum));
+ break;
+
+ case CSUM_TYPE_XXHASH:
+ *(uint64_t*)th = XXH64((uint8_t*)&th->fs_uuid, node_size - sizeof(th->csum), 0);
+ break;
+
+ case CSUM_TYPE_SHA256:
+ calc_sha256((uint8_t*)th, &th->fs_uuid, node_size - sizeof(th->csum));
+ break;
+
+ case CSUM_TYPE_BLAKE2:
+ blake2b((uint8_t*)th, BLAKE2_HASH_SIZE, &th->fs_uuid, node_size - sizeof(th->csum));
+ break;
+ }
+}
+
static NTSTATUS write_roots(HANDLE h, LIST_ENTRY* roots, uint32_t node_size, BTRFS_UUID* fsuuid, BTRFS_UUID* chunkuuid) {
LIST_ENTRY *le, *le2;
NTSTATUS Status;
btrfs_root* r = CONTAINING_RECORD(le, btrfs_root, list_entry);
uint8_t* dp;
leaf_node* ln;
- uint32_t crc32;
memset(tree, 0, node_size);
dp -= item->size;
memcpy(dp, item->data, item->size);
- ln->offset = dp - tree - sizeof(tree_header);
+ ln->offset = (uint32_t)(dp - tree - sizeof(tree_header));
} else
ln->offset = 0;
memcpy(tree, &r->header, sizeof(tree_header));
- crc32 = ~calc_crc32c(0xffffffff, (uint8_t*)&((tree_header*)tree)->fs_uuid, node_size - sizeof(((tree_header*)tree)->csum));
- memcpy(tree, &crc32, sizeof(uint32_t));
+ calc_tree_checksum((tree_header*)tree, node_size);
Status = write_data(h, r->header.address, r->c, tree, node_size);
if (!NT_SUCCESS(Status)) {
dev->last_alloc = 0x100000; // skip first megabyte
}
+static void calc_superblock_checksum(superblock* sb) {
+ switch (def_csum_type) {
+ case CSUM_TYPE_CRC32C:
+ *(uint32_t*)sb = ~calc_crc32c(0xffffffff, (uint8_t*)&sb->uuid, (ULONG)sizeof(superblock) - sizeof(sb->checksum));
+ break;
+
+ case CSUM_TYPE_XXHASH:
+ *(uint64_t*)sb = XXH64(&sb->uuid, sizeof(superblock) - sizeof(sb->checksum), 0);
+ break;
+
+ case CSUM_TYPE_SHA256:
+ calc_sha256((uint8_t*)sb, &sb->uuid, sizeof(superblock) - sizeof(sb->checksum));
+ break;
+
+ case CSUM_TYPE_BLAKE2:
+ blake2b((uint8_t*)sb, BLAKE2_HASH_SIZE, &sb->uuid, sizeof(superblock) - sizeof(sb->checksum));
+ break;
+ }
+}
+
static NTSTATUS write_superblocks(HANDLE h, btrfs_dev* dev, btrfs_root* chunk_root, btrfs_root* root_root, btrfs_root* extent_root,
btrfs_chunk* sys_chunk, uint32_t node_size, BTRFS_UUID* fsuuid, uint32_t sector_size, PUNICODE_STRING label, uint64_t incompat_flags) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
ULONG sblen;
int i;
- uint32_t crc32;
superblock* sb;
KEY* key;
uint64_t bytes_used;
sb->n = sizeof(KEY) + sizeof(CHUNK_ITEM) + (sys_chunk->chunk_item->num_stripes * sizeof(CHUNK_ITEM_STRIPE));
sb->chunk_root_generation = 1;
sb->incompat_flags = incompat_flags;
+ sb->csum_type = def_csum_type;
memcpy(&sb->dev_item, &dev->dev_item, sizeof(DEV_ITEM));
if (label->Length > 0) {
sb->sb_phys_addr = superblock_addrs[i];
- crc32 = ~calc_crc32c(0xffffffff, (uint8_t*)&sb->uuid, (ULONG)sizeof(superblock) - sizeof(sb->checksum));
- memcpy(&sb->checksum, &crc32, sizeof(uint32_t));
+ calc_superblock_checksum(sb);
off.QuadPart = superblock_addrs[i];
return Status;
}
-static BOOL is_ssd(HANDLE h) {
+static bool is_ssd(HANDLE h) {
ULONG aptelen;
ATA_PASS_THROUGH_EX* apte;
IO_STATUS_BLOCK iosb;
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, apte);
#endif
- return TRUE;
+ return true;
}
}
RtlFreeHeap(RtlGetProcessHeap(), 0, apte);
#endif
- return FALSE;
+ return false;
}
static void add_dir_item(btrfs_root* root, uint64_t inode, uint32_t hash, uint64_t key_objid, uint8_t key_type,
btrfs_chunk *sys_chunk, *metadata_chunk;
btrfs_dev dev;
BTRFS_UUID fsuuid, chunkuuid;
- BOOL ssd;
+ bool ssd;
uint64_t metadata_flags;
#ifdef __REACTOS__
ULONG seed;
return STATUS_SUCCESS;
}
-static BOOL look_for_device(btrfs_filesystem* bfs, BTRFS_UUID* devuuid) {
+static bool look_for_device(btrfs_filesystem* bfs, BTRFS_UUID* devuuid) {
uint32_t i;
btrfs_filesystem_device* dev;
dev = (btrfs_filesystem_device*)((uint8_t*)dev + offsetof(btrfs_filesystem_device, name[0]) + dev->name_length);
if (RtlCompareMemory(&dev->uuid, devuuid, sizeof(BTRFS_UUID)) == sizeof(BTRFS_UUID))
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
+}
+
+static bool check_superblock_checksum(superblock* sb) {
+ switch (sb->csum_type) {
+ case CSUM_TYPE_CRC32C: {
+ uint32_t crc32 = ~calc_crc32c(0xffffffff, (uint8_t*)&sb->uuid, (ULONG)sizeof(superblock) - sizeof(sb->checksum));
+
+ return crc32 == *(uint32_t*)sb;
+ }
+
+ case CSUM_TYPE_XXHASH: {
+ uint64_t hash = XXH64(&sb->uuid, sizeof(superblock) - sizeof(sb->checksum), 0);
+
+ return hash == *(uint64_t*)sb;
+ }
+
+ case CSUM_TYPE_SHA256: {
+ uint8_t hash[SHA256_HASH_SIZE];
+
+ calc_sha256(hash, &sb->uuid, sizeof(superblock) - sizeof(sb->checksum));
+
+ return !memcmp(hash, sb, SHA256_HASH_SIZE);
+ }
+
+ case CSUM_TYPE_BLAKE2: {
+ uint8_t hash[BLAKE2_HASH_SIZE];
+
+ blake2b(hash, sizeof(hash), &sb->uuid, sizeof(superblock) - sizeof(sb->checksum));
+
+ return !memcmp(hash, sb, BLAKE2_HASH_SIZE);
+ }
+
+ default:
+ return false;
+ }
}
-static BOOL is_mounted_multi_device(HANDLE h, uint32_t sector_size) {
+static bool is_mounted_multi_device(HANDLE h, uint32_t sector_size) {
NTSTATUS Status;
superblock* sb;
ULONG sblen;
IO_STATUS_BLOCK iosb;
LARGE_INTEGER off;
BTRFS_UUID fsuuid, devuuid;
- uint32_t crc32;
UNICODE_STRING us;
OBJECT_ATTRIBUTES atts;
HANDLE h2;
btrfs_filesystem *bfs = NULL, *bfs2;
ULONG bfssize;
- BOOL ret = FALSE;
+ bool ret = false;
static WCHAR btrfs[] = L"\\Btrfs";
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, sb);
#endif
- return FALSE;
+ return false;
}
if (sb->magic != BTRFS_MAGIC) {
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, sb);
#endif
- return FALSE;
+ return false;
}
- crc32 = ~calc_crc32c(0xffffffff, (uint8_t*)&sb->uuid, (ULONG)sizeof(superblock) - sizeof(sb->checksum));
- if (crc32 != *((uint32_t*)sb)) {
+ if (!check_superblock_checksum(sb)) {
#ifndef __REACTOS__
free(sb);
#else
RtlFreeHeap(RtlGetProcessHeap(), 0, sb);
#endif
- return FALSE;
+ return false;
}
fsuuid = sb->uuid;
Status = NtOpenFile(&h2, SYNCHRONIZE | FILE_READ_ATTRIBUTES, &atts, &iosb,
FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_ALERT);
if (!NT_SUCCESS(Status)) // not a problem, it usually just means the driver isn't loaded
- return FALSE;
+ return false;
bfssize = 0;
Status = NtDeviceIoControlFile(h2, NULL, NULL, NULL, &iosb, IOCTL_BTRFS_QUERY_FILESYSTEMS, NULL, 0, bfs, bfssize);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_OVERFLOW) {
NtClose(h2);
- return FALSE;
+ return false;
}
} while (Status == STATUS_BUFFER_OVERFLOW);
if (bfs->num_devices != 0) {
bfs2 = bfs;
- while (TRUE) {
+ while (true) {
if (RtlCompareMemory(&bfs2->uuid, &fsuuid, sizeof(BTRFS_UUID)) == sizeof(BTRFS_UUID)) {
if (bfs2->num_devices == 1)
- ret = FALSE;
+ ret = false;
else
ret = look_for_device(bfs2, &devuuid);
NtDeviceIoControlFile(h, NULL, NULL, NULL, &iosb, IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES, &dmdsa, sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES), NULL, 0);
}
-static BOOL is_power_of_two(ULONG i) {
+static bool is_power_of_two(ULONG i) {
return ((i != 0) && !(i & (i - 1)));
}
+#if !defined(__REACTOS__) && (defined(_X86_) || defined(_AMD64_))
+static void check_cpu() {
+ unsigned int cpuInfo[4];
+ bool have_sse42;
+
+#ifndef _MSC_VER
+ __get_cpuid(1, &cpuInfo[0], &cpuInfo[1], &cpuInfo[2], &cpuInfo[3]);
+ have_sse42 = cpuInfo[2] & bit_SSE4_2;
+#else
+ __cpuid(cpuInfo, 1);
+ have_sse42 = cpuInfo[2] & (1 << 20);
+#endif
+
+ if (have_sse42)
+ calc_crc32c = calc_crc32c_hw;
+}
+#endif
+
#ifndef __REACTOS__
static NTSTATUS NTAPI FormatEx2(PUNICODE_STRING DriveRoot, FMIFS_MEDIA_FLAG MediaFlag, PUNICODE_STRING Label,
#else
NTSTATUS NTAPI BtrfsFormatEx(PUNICODE_STRING DriveRoot, FMIFS_MEDIA_FLAG MediaFlag, PUNICODE_STRING Label,
-#endif
+#endif // __REACTOS__
BOOLEAN QuickFormat, ULONG ClusterSize, PFMIFSCALLBACK Callback)
{
NTSTATUS Status;
tp.Privileges[0].Luid = luid;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
- if (!AdjustTokenPrivileges(token, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), NULL, NULL)) {
+ if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), NULL, NULL)) {
CloseHandle(token);
return STATUS_PRIVILEGE_NOT_HELD;
}
CloseHandle(token);
+
+#if defined(_X86_) || defined(_AMD64_)
+ check_cpu();
+#endif
#endif
+ if (def_csum_type != CSUM_TYPE_CRC32C && def_csum_type != CSUM_TYPE_XXHASH && def_csum_type != CSUM_TYPE_SHA256 &&
+ def_csum_type != CSUM_TYPE_BLAKE2)
+ return STATUS_INVALID_PARAMETER;
+
InitializeObjectAttributes(&attr, DriveRoot, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&h, FILE_GENERIC_READ | FILE_GENERIC_WRITE, &attr, &iosb,
MOUNTDEV_NAME* mdn;
ULONG mdnsize;
- mdnsize = offsetof(MOUNTDEV_NAME, Name[0]) + DriveRoot->Length;
+ mdnsize = (ULONG)(offsetof(MOUNTDEV_NAME, Name[0]) + DriveRoot->Length);
#ifndef __REACTOS__
mdn = malloc(mdnsize);
#else
}
if (Callback) {
- BOOL success = NT_SUCCESS(Status);
+ bool success = NT_SUCCESS(Status);
Callback(DONE, 0, (PVOID)&success);
}
NTSTATUS Status;
if (!root || !root->string)
- return FALSE;
+ return false;
DriveRoot.Length = DriveRoot.MaximumLength = (USHORT)(wcslen(root->string) * sizeof(WCHAR));
DriveRoot.Buffer = root->string;
def_incompat_flags = incompat_flags;
}
+void __stdcall SetCsumType(uint16_t csum_type) {
+ def_csum_type = csum_type;
+}
+
BOOL __stdcall GetFilesystemInformation(uint32_t unk1, uint32_t unk2, void* unk3) {
// STUB - undocumented
- return TRUE;
+ return true;
}
#ifndef __REACTOS__
if (dwReason == DLL_PROCESS_ATTACH)
module = (HMODULE)hModule;
- return TRUE;
+ return true;
}
#endif
projects / reactos.git / blobdiff