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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /fs/smb/common | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | fs/smb/common/Makefile | 7 | ||||
-rw-r--r-- | fs/smb/common/arc4.h | 23 | ||||
-rw-r--r-- | fs/smb/common/cifs_arc4.c | 74 | ||||
-rw-r--r-- | fs/smb/common/cifs_md4.c | 197 | ||||
-rw-r--r-- | fs/smb/common/md4.h | 27 | ||||
-rw-r--r-- | fs/smb/common/smb2pdu.h | 1794 | ||||
-rw-r--r-- | fs/smb/common/smbfsctl.h | 170 |
7 files changed, 2292 insertions, 0 deletions
diff --git a/fs/smb/common/Makefile b/fs/smb/common/Makefile new file mode 100644 index 0000000000..c66dbbc146 --- /dev/null +++ b/fs/smb/common/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for Linux filesystem routines that are shared by client and server. +# + +obj-$(CONFIG_SMBFS) += cifs_arc4.o +obj-$(CONFIG_SMBFS) += cifs_md4.o diff --git a/fs/smb/common/arc4.h b/fs/smb/common/arc4.h new file mode 100644 index 0000000000..12e71ec033 --- /dev/null +++ b/fs/smb/common/arc4.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Common values for ARC4 Cipher Algorithm + */ + +#ifndef _CRYPTO_ARC4_H +#define _CRYPTO_ARC4_H + +#include <linux/types.h> + +#define ARC4_MIN_KEY_SIZE 1 +#define ARC4_MAX_KEY_SIZE 256 +#define ARC4_BLOCK_SIZE 1 + +struct arc4_ctx { + u32 S[256]; + u32 x, y; +}; + +int cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len); +void cifs_arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len); + +#endif /* _CRYPTO_ARC4_H */ diff --git a/fs/smb/common/cifs_arc4.c b/fs/smb/common/cifs_arc4.c new file mode 100644 index 0000000000..043e4cb839 --- /dev/null +++ b/fs/smb/common/cifs_arc4.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Cryptographic API + * + * ARC4 Cipher Algorithm + * + * Jon Oberheide <jon@oberheide.org> + */ + +#include <linux/module.h> +#include "arc4.h" + +MODULE_LICENSE("GPL"); + +int cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len) +{ + int i, j = 0, k = 0; + + ctx->x = 1; + ctx->y = 0; + + for (i = 0; i < 256; i++) + ctx->S[i] = i; + + for (i = 0; i < 256; i++) { + u32 a = ctx->S[i]; + + j = (j + in_key[k] + a) & 0xff; + ctx->S[i] = ctx->S[j]; + ctx->S[j] = a; + if (++k >= key_len) + k = 0; + } + + return 0; +} +EXPORT_SYMBOL_GPL(cifs_arc4_setkey); + +void cifs_arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len) +{ + u32 *const S = ctx->S; + u32 x, y, a, b; + u32 ty, ta, tb; + + if (len == 0) + return; + + x = ctx->x; + y = ctx->y; + + a = S[x]; + y = (y + a) & 0xff; + b = S[y]; + + do { + S[y] = a; + a = (a + b) & 0xff; + S[x] = b; + x = (x + 1) & 0xff; + ta = S[x]; + ty = (y + ta) & 0xff; + tb = S[ty]; + *out++ = *in++ ^ S[a]; + if (--len == 0) + break; + y = ty; + a = ta; + b = tb; + } while (true); + + ctx->x = x; + ctx->y = y; +} +EXPORT_SYMBOL_GPL(cifs_arc4_crypt); diff --git a/fs/smb/common/cifs_md4.c b/fs/smb/common/cifs_md4.c new file mode 100644 index 0000000000..50f78cfc6c --- /dev/null +++ b/fs/smb/common/cifs_md4.c @@ -0,0 +1,197 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Cryptographic API. + * + * MD4 Message Digest Algorithm (RFC1320). + * + * Implementation derived from Andrew Tridgell and Steve French's + * CIFS MD4 implementation, and the cryptoapi implementation + * originally based on the public domain implementation written + * by Colin Plumb in 1993. + * + * Copyright (c) Andrew Tridgell 1997-1998. + * Modified by Steve French (sfrench@us.ibm.com) 2002 + * Copyright (c) Cryptoapi developers. + * Copyright (c) 2002 David S. Miller (davem@redhat.com) + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> + * + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/types.h> +#include <asm/byteorder.h> +#include "md4.h" + +MODULE_LICENSE("GPL"); + +static inline u32 lshift(u32 x, unsigned int s) +{ + x &= 0xFFFFFFFF; + return ((x << s) & 0xFFFFFFFF) | (x >> (32 - s)); +} + +static inline u32 F(u32 x, u32 y, u32 z) +{ + return (x & y) | ((~x) & z); +} + +static inline u32 G(u32 x, u32 y, u32 z) +{ + return (x & y) | (x & z) | (y & z); +} + +static inline u32 H(u32 x, u32 y, u32 z) +{ + return x ^ y ^ z; +} + +#define ROUND1(a,b,c,d,k,s) (a = lshift(a + F(b,c,d) + k, s)) +#define ROUND2(a,b,c,d,k,s) (a = lshift(a + G(b,c,d) + k + (u32)0x5A827999,s)) +#define ROUND3(a,b,c,d,k,s) (a = lshift(a + H(b,c,d) + k + (u32)0x6ED9EBA1,s)) + +static void md4_transform(u32 *hash, u32 const *in) +{ + u32 a, b, c, d; + + a = hash[0]; + b = hash[1]; + c = hash[2]; + d = hash[3]; + + ROUND1(a, b, c, d, in[0], 3); + ROUND1(d, a, b, c, in[1], 7); + ROUND1(c, d, a, b, in[2], 11); + ROUND1(b, c, d, a, in[3], 19); + ROUND1(a, b, c, d, in[4], 3); + ROUND1(d, a, b, c, in[5], 7); + ROUND1(c, d, a, b, in[6], 11); + ROUND1(b, c, d, a, in[7], 19); + ROUND1(a, b, c, d, in[8], 3); + ROUND1(d, a, b, c, in[9], 7); + ROUND1(c, d, a, b, in[10], 11); + ROUND1(b, c, d, a, in[11], 19); + ROUND1(a, b, c, d, in[12], 3); + ROUND1(d, a, b, c, in[13], 7); + ROUND1(c, d, a, b, in[14], 11); + ROUND1(b, c, d, a, in[15], 19); + + ROUND2(a, b, c, d, in[0], 3); + ROUND2(d, a, b, c, in[4], 5); + ROUND2(c, d, a, b, in[8], 9); + ROUND2(b, c, d, a, in[12], 13); + ROUND2(a, b, c, d, in[1], 3); + ROUND2(d, a, b, c, in[5], 5); + ROUND2(c, d, a, b, in[9], 9); + ROUND2(b, c, d, a, in[13], 13); + ROUND2(a, b, c, d, in[2], 3); + ROUND2(d, a, b, c, in[6], 5); + ROUND2(c, d, a, b, in[10], 9); + ROUND2(b, c, d, a, in[14], 13); + ROUND2(a, b, c, d, in[3], 3); + ROUND2(d, a, b, c, in[7], 5); + ROUND2(c, d, a, b, in[11], 9); + ROUND2(b, c, d, a, in[15], 13); + + ROUND3(a, b, c, d, in[0], 3); + ROUND3(d, a, b, c, in[8], 9); + ROUND3(c, d, a, b, in[4], 11); + ROUND3(b, c, d, a, in[12], 15); + ROUND3(a, b, c, d, in[2], 3); + ROUND3(d, a, b, c, in[10], 9); + ROUND3(c, d, a, b, in[6], 11); + ROUND3(b, c, d, a, in[14], 15); + ROUND3(a, b, c, d, in[1], 3); + ROUND3(d, a, b, c, in[9], 9); + ROUND3(c, d, a, b, in[5], 11); + ROUND3(b, c, d, a, in[13], 15); + ROUND3(a, b, c, d, in[3], 3); + ROUND3(d, a, b, c, in[11], 9); + ROUND3(c, d, a, b, in[7], 11); + ROUND3(b, c, d, a, in[15], 15); + + hash[0] += a; + hash[1] += b; + hash[2] += c; + hash[3] += d; +} + +static inline void md4_transform_helper(struct md4_ctx *ctx) +{ + le32_to_cpu_array(ctx->block, ARRAY_SIZE(ctx->block)); + md4_transform(ctx->hash, ctx->block); +} + +int cifs_md4_init(struct md4_ctx *mctx) +{ + memset(mctx, 0, sizeof(struct md4_ctx)); + mctx->hash[0] = 0x67452301; + mctx->hash[1] = 0xefcdab89; + mctx->hash[2] = 0x98badcfe; + mctx->hash[3] = 0x10325476; + mctx->byte_count = 0; + + return 0; +} +EXPORT_SYMBOL_GPL(cifs_md4_init); + +int cifs_md4_update(struct md4_ctx *mctx, const u8 *data, unsigned int len) +{ + const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); + + mctx->byte_count += len; + + if (avail > len) { + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, len); + return 0; + } + + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, avail); + + md4_transform_helper(mctx); + data += avail; + len -= avail; + + while (len >= sizeof(mctx->block)) { + memcpy(mctx->block, data, sizeof(mctx->block)); + md4_transform_helper(mctx); + data += sizeof(mctx->block); + len -= sizeof(mctx->block); + } + + memcpy(mctx->block, data, len); + + return 0; +} +EXPORT_SYMBOL_GPL(cifs_md4_update); + +int cifs_md4_final(struct md4_ctx *mctx, u8 *out) +{ + const unsigned int offset = mctx->byte_count & 0x3f; + char *p = (char *)mctx->block + offset; + int padding = 56 - (offset + 1); + + *p++ = 0x80; + if (padding < 0) { + memset(p, 0x00, padding + sizeof(u64)); + md4_transform_helper(mctx); + p = (char *)mctx->block; + padding = 56; + } + + memset(p, 0, padding); + mctx->block[14] = mctx->byte_count << 3; + mctx->block[15] = mctx->byte_count >> 29; + le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - + sizeof(u64)) / sizeof(u32)); + md4_transform(mctx->hash, mctx->block); + cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash)); + memcpy(out, mctx->hash, sizeof(mctx->hash)); + memset(mctx, 0, sizeof(*mctx)); + + return 0; +} +EXPORT_SYMBOL_GPL(cifs_md4_final); diff --git a/fs/smb/common/md4.h b/fs/smb/common/md4.h new file mode 100644 index 0000000000..5337becc69 --- /dev/null +++ b/fs/smb/common/md4.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Common values for ARC4 Cipher Algorithm + */ + +#ifndef _CIFS_MD4_H +#define _CIFS_MD4_H + +#include <linux/types.h> + +#define MD4_DIGEST_SIZE 16 +#define MD4_HMAC_BLOCK_SIZE 64 +#define MD4_BLOCK_WORDS 16 +#define MD4_HASH_WORDS 4 + +struct md4_ctx { + u32 hash[MD4_HASH_WORDS]; + u32 block[MD4_BLOCK_WORDS]; + u64 byte_count; +}; + + +int cifs_md4_init(struct md4_ctx *mctx); +int cifs_md4_update(struct md4_ctx *mctx, const u8 *data, unsigned int len); +int cifs_md4_final(struct md4_ctx *mctx, u8 *out); + +#endif /* _CIFS_MD4_H */ diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h new file mode 100644 index 0000000000..63f969a8e4 --- /dev/null +++ b/fs/smb/common/smb2pdu.h @@ -0,0 +1,1794 @@ +/* SPDX-License-Identifier: LGPL-2.1 */ +#ifndef _COMMON_SMB2PDU_H +#define _COMMON_SMB2PDU_H + +/* + * Note that, due to trying to use names similar to the protocol specifications, + * there are many mixed case field names in the structures below. Although + * this does not match typical Linux kernel style, it is necessary to be + * able to match against the protocol specfication. + * + * SMB2 commands + * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses + * (ie no useful data other than the SMB error code itself) and are marked such. + * Knowing this helps avoid response buffer allocations and copy in some cases. + */ + +/* List of commands in host endian */ +#define SMB2_NEGOTIATE_HE 0x0000 +#define SMB2_SESSION_SETUP_HE 0x0001 +#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ +#define SMB2_TREE_CONNECT_HE 0x0003 +#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ +#define SMB2_CREATE_HE 0x0005 +#define SMB2_CLOSE_HE 0x0006 +#define SMB2_FLUSH_HE 0x0007 /* trivial resp */ +#define SMB2_READ_HE 0x0008 +#define SMB2_WRITE_HE 0x0009 +#define SMB2_LOCK_HE 0x000A +#define SMB2_IOCTL_HE 0x000B +#define SMB2_CANCEL_HE 0x000C +#define SMB2_ECHO_HE 0x000D +#define SMB2_QUERY_DIRECTORY_HE 0x000E +#define SMB2_CHANGE_NOTIFY_HE 0x000F +#define SMB2_QUERY_INFO_HE 0x0010 +#define SMB2_SET_INFO_HE 0x0011 +#define SMB2_OPLOCK_BREAK_HE 0x0012 + +/* The same list in little endian */ +#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) +#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) +#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) +#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) +#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) +#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) +#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) +#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) +#define SMB2_READ cpu_to_le16(SMB2_READ_HE) +#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) +#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) +#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) +#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) +#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) +#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) +#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) +#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) +#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) +#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) + +#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF) + +#define NUMBER_OF_SMB2_COMMANDS 0x0013 + +/* + * Size of the session key (crypto key encrypted with the password + */ +#define SMB2_NTLMV2_SESSKEY_SIZE 16 +#define SMB2_SIGNATURE_SIZE 16 +#define SMB2_HMACSHA256_SIZE 32 +#define SMB2_CMACAES_SIZE 16 +#define SMB3_GCM128_CRYPTKEY_SIZE 16 +#define SMB3_GCM256_CRYPTKEY_SIZE 32 + +/* + * Size of the smb3 encryption/decryption keys + * This size is big enough to store any cipher key types. + */ +#define SMB3_ENC_DEC_KEY_SIZE 32 + +/* + * Size of the smb3 signing key + */ +#define SMB3_SIGN_KEY_SIZE 16 + +#define CIFS_CLIENT_CHALLENGE_SIZE 8 + +/* Maximum buffer size value we can send with 1 credit */ +#define SMB2_MAX_BUFFER_SIZE 65536 + +/* + * The default wsize is 1M for SMB2 (and for some CIFS cases). + * find_get_pages seems to return a maximum of 256 + * pages in a single call. With PAGE_SIZE == 4k, this means we can + * fill a single wsize request with a single call. + */ +#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024) + +/* + * SMB2 Header Definition + * + * "MBZ" : Must be Zero + * "BB" : BugBug, Something to check/review/analyze later + * "PDU" : "Protocol Data Unit" (ie a network "frame") + * + */ + +#define __SMB2_HEADER_STRUCTURE_SIZE 64 +#define SMB2_HEADER_STRUCTURE_SIZE \ + cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE) + +#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) +#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) +#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) + +/* + * SMB2 flag definitions + */ +#define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001) +#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002) +#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004) +#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008) +#define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */ +#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000) +#define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */ + +/* + * Definitions for SMB2 Protocol Data Units (network frames) + * + * See MS-SMB2.PDF specification for protocol details. + * The Naming convention is the lower case version of the SMB2 + * command code name for the struct. Note that structures must be packed. + * + */ + +/* See MS-SMB2 section 2.2.1 */ +struct smb2_hdr { + __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ + __le16 StructureSize; /* 64 */ + __le16 CreditCharge; /* MBZ */ + __le32 Status; /* Error from server */ + __le16 Command; + __le16 CreditRequest; /* CreditResponse */ + __le32 Flags; + __le32 NextCommand; + __le64 MessageId; + union { + struct { + __le32 ProcessId; + __le32 TreeId; + } __packed SyncId; + __le64 AsyncId; + } __packed Id; + __le64 SessionId; + __u8 Signature[16]; +} __packed; + +struct smb3_hdr_req { + __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */ + __le16 StructureSize; /* 64 */ + __le16 CreditCharge; /* MBZ */ + __le16 ChannelSequence; /* See MS-SMB2 3.2.4.1 and 3.2.7.1 */ + __le16 Reserved; + __le16 Command; + __le16 CreditRequest; /* CreditResponse */ + __le32 Flags; + __le32 NextCommand; + __le64 MessageId; + union { + struct { + __le32 ProcessId; + __le32 TreeId; + } __packed SyncId; + __le64 AsyncId; + } __packed Id; + __le64 SessionId; + __u8 Signature[16]; +} __packed; + +struct smb2_pdu { + struct smb2_hdr hdr; + __le16 StructureSize2; /* size of wct area (varies, request specific) */ +} __packed; + +#define SMB2_ERROR_STRUCTURE_SIZE2 9 +#define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2) + +struct smb2_err_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; + __u8 ErrorContextCount; + __u8 Reserved; + __le32 ByteCount; /* even if zero, at least one byte follows */ + __u8 ErrorData[]; /* variable length */ +} __packed; + +#define SMB3_AES_CCM_NONCE 11 +#define SMB3_AES_GCM_NONCE 12 + +/* Transform flags (for 3.0 dialect this flag indicates CCM */ +#define TRANSFORM_FLAG_ENCRYPTED 0x0001 +struct smb2_transform_hdr { + __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ + __u8 Signature[16]; + __u8 Nonce[16]; + __le32 OriginalMessageSize; + __u16 Reserved1; + __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ + __le64 SessionId; +} __packed; + + +/* See MS-SMB2 2.2.42 */ +struct smb2_compression_transform_hdr_unchained { + __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ + __le32 OriginalCompressedSegmentSize; + __le16 CompressionAlgorithm; + __le16 Flags; + __le16 Length; /* if chained it is length, else offset */ +} __packed; + +/* See MS-SMB2 2.2.42.1 */ +#define SMB2_COMPRESSION_FLAG_NONE 0x0000 +#define SMB2_COMPRESSION_FLAG_CHAINED 0x0001 + +struct compression_payload_header { + __le16 CompressionAlgorithm; + __le16 Flags; + __le32 Length; /* length of compressed playload including field below if present */ + /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ +} __packed; + +/* See MS-SMB2 2.2.42.2 */ +struct smb2_compression_transform_hdr_chained { + __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ + __le32 OriginalCompressedSegmentSize; + /* struct compression_payload_header[] */ +} __packed; + +/* See MS-SMB2 2.2.42.2.2 */ +struct compression_pattern_payload_v1 { + __le16 Pattern; + __le16 Reserved1; + __le16 Reserved2; + __le32 Repetitions; +} __packed; + +/* See MS-SMB2 section 2.2.9.2 */ +/* Context Types */ +#define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000 +#define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001) + +struct tree_connect_contexts { + __le16 ContextType; + __le16 DataLength; + __le32 Reserved; + __u8 Data[]; +} __packed; + +/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */ +struct smb3_blob_data { + __le16 BlobSize; + __u8 BlobData[]; +} __packed; + +/* Valid values for Attr */ +#define SE_GROUP_MANDATORY 0x00000001 +#define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002 +#define SE_GROUP_ENABLED 0x00000004 +#define SE_GROUP_OWNER 0x00000008 +#define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010 +#define SE_GROUP_INTEGRITY 0x00000020 +#define SE_GROUP_INTEGRITY_ENABLED 0x00000040 +#define SE_GROUP_RESOURCE 0x20000000 +#define SE_GROUP_LOGON_ID 0xC0000000 + +/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */ + +struct sid_array_data { + __le16 SidAttrCount; + /* SidAttrList - array of sid_attr_data structs */ +} __packed; + +struct luid_attr_data { + +} __packed; + +/* + * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5 + * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA + */ + +struct privilege_array_data { + __le16 PrivilegeCount; + /* array of privilege_data structs */ +} __packed; + +struct remoted_identity_tcon_context { + __le16 TicketType; /* must be 0x0001 */ + __le16 TicketSize; /* total size of this struct */ + __le16 User; /* offset to SID_ATTR_DATA struct with user info */ + __le16 UserName; /* offset to null terminated Unicode username string */ + __le16 Domain; /* offset to null terminated Unicode domain name */ + __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */ + __le16 RestrictedGroups; /* similar to above */ + __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */ + __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */ + __le16 Owner; /* offset to BLOB_DATA struct */ + __le16 DefaultDacl; /* offset to BLOB_DATA struct */ + __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */ + __le16 UserClaims; /* offset to BLOB_DATA struct */ + __le16 DeviceClaims; /* offset to BLOB_DATA struct */ + __u8 TicketInfo[]; /* variable length buf - remoted identity data */ +} __packed; + +struct smb2_tree_connect_req_extension { + __le32 TreeConnectContextOffset; + __le16 TreeConnectContextCount; + __u8 Reserved[10]; + __u8 PathName[]; /* variable sized array */ + /* followed by array of TreeConnectContexts */ +} __packed; + +/* Flags/Reserved for SMB3.1.1 */ +#define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001) +#define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002) +#define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004) + +struct smb2_tree_connect_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 Flags; /* Flags in SMB3.1.1 */ + __le16 PathOffset; + __le16 PathLength; + __u8 Buffer[]; /* variable length */ +} __packed; + +/* Possible ShareType values */ +#define SMB2_SHARE_TYPE_DISK 0x01 +#define SMB2_SHARE_TYPE_PIPE 0x02 +#define SMB2_SHARE_TYPE_PRINT 0x03 + +/* + * Possible ShareFlags - exactly one and only one of the first 4 caching flags + * must be set (any of the remaining, SHI1005, flags may be set individually + * or in combination. + */ +#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 +#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 +#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 +#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 +#define SHI1005_FLAGS_DFS 0x00000001 +#define SHI1005_FLAGS_DFS_ROOT 0x00000002 +#define SMB2_SHAREFLAG_RESTRICT_EXCLUSIVE_OPENS 0x00000100 +#define SMB2_SHAREFLAG_FORCE_SHARED_DELETE 0x00000200 +#define SMB2_SHAREFLAG_ALLOW_NAMESPACE_CACHING 0x00000400 +#define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 +#define SMB2_SHAREFLAG_FORCE_LEVELII_OPLOCK 0x00001000 +#define SMB2_SHAREFLAG_ENABLE_HASH_V1 0x00002000 +#define SMB2_SHAREFLAG_ENABLE_HASH_V2 0x00004000 +#define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 +#define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ +#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ +#define SMB2_SHAREFLAG_ISOLATED_TRANSPORT 0x00200000 +#define SHI1005_FLAGS_ALL 0x0034FF33 + +/* Possible share capabilities */ +#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ +#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ +#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ +#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ +#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ +#define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */ + +struct smb2_tree_connect_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 16 */ + __u8 ShareType; /* see below */ + __u8 Reserved; + __le32 ShareFlags; /* see below */ + __le32 Capabilities; /* see below */ + __le32 MaximalAccess; +} __packed; + +struct smb2_tree_disconnect_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_tree_disconnect_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + + +/* + * SMB2_NEGOTIATE_PROTOCOL See MS-SMB2 section 2.2.3 + */ +/* SecurityMode flags */ +#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 +#define SMB2_NEGOTIATE_SIGNING_ENABLED_LE cpu_to_le16(0x0001) +#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 +#define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002) +#define SMB2_SEC_MODE_FLAGS_ALL 0x0003 + +/* Capabilities flags */ +#define SMB2_GLOBAL_CAP_DFS 0x00000001 +#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ +#define SMB2_GLOBAL_CAP_LARGE_MTU 0x00000004 /* Resp only New to SMB2.1 */ +#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ +/* Internal types */ +#define SMB2_NT_FIND 0x00100000 +#define SMB2_LARGE_FILES 0x00200000 + +#define SMB2_CLIENT_GUID_SIZE 16 +#define SMB2_CREATE_GUID_SIZE 16 + +/* Dialects */ +#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ +#define SMB20_PROT_ID 0x0202 +#define SMB21_PROT_ID 0x0210 +#define SMB2X_PROT_ID 0x02FF +#define SMB30_PROT_ID 0x0300 +#define SMB302_PROT_ID 0x0302 +#define SMB311_PROT_ID 0x0311 +#define BAD_PROT_ID 0xFFFF + +#define SMB311_SALT_SIZE 32 +/* Hash Algorithm Types */ +#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001) +#define SMB2_PREAUTH_HASH_SIZE 64 + +/* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */ +#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1) +#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2) +#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3) +#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5) +#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6) +#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7) +#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8) +#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100) + +struct smb2_neg_context { + __le16 ContextType; + __le16 DataLength; + __le32 Reserved; + /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */ +} __packed; + +/* + * SaltLength that the server send can be zero, so the only three required + * fields (all __le16) end up six bytes total, so the minimum context data len + * in the response is six bytes which accounts for + * + * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm. + */ +#define MIN_PREAUTH_CTXT_DATA_LEN 6 + +struct smb2_preauth_neg_context { + __le16 ContextType; /* 1 */ + __le16 DataLength; + __le32 Reserved; + __le16 HashAlgorithmCount; /* 1 */ + __le16 SaltLength; + __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */ + __u8 Salt[SMB311_SALT_SIZE]; +} __packed; + +/* Encryption Algorithms Ciphers */ +#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001) +#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002) +#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003) +#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004) + +/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */ +#define MIN_ENCRYPT_CTXT_DATA_LEN 4 +struct smb2_encryption_neg_context { + __le16 ContextType; /* 2 */ + __le16 DataLength; + __le32 Reserved; + /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */ + __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */ + __le16 Ciphers[]; +} __packed; + +/* See MS-SMB2 2.2.3.1.3 */ +#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000) +#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) +#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) +#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) +/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ +#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */ + +/* Compression Flags */ +#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) +#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) + +struct smb2_compression_capabilities_context { + __le16 ContextType; /* 3 */ + __le16 DataLength; + __le32 Reserved; + __le16 CompressionAlgorithmCount; + __le16 Padding; + __le32 Flags; + __le16 CompressionAlgorithms[3]; + __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */ + /* Check if pad needed */ +} __packed; + +/* + * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4. + * Its struct simply contains NetName, an array of Unicode characters + */ +struct smb2_netname_neg_context { + __le16 ContextType; /* 5 */ + __le16 DataLength; + __le32 Reserved; + __le16 NetName[]; /* hostname of target converted to UCS-2 */ +} __packed; + +/* + * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 + * and 2.2.4.1.5 + */ + +/* Flags */ +#define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY 0x00000001 + +struct smb2_transport_capabilities_context { + __le16 ContextType; /* 6 */ + __le16 DataLength; + __u32 Reserved; + __le32 Flags; + __u32 Pad; +} __packed; + +/* + * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 + * and 2.2.4.1.6 + */ + +/* RDMA Transform IDs */ +#define SMB2_RDMA_TRANSFORM_NONE 0x0000 +#define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 +#define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 + +struct smb2_rdma_transform_capabilities_context { + __le16 ContextType; /* 7 */ + __le16 DataLength; + __u32 Reserved; + __le16 TransformCount; + __u16 Reserved1; + __u32 Reserved2; + __le16 RDMATransformIds[]; +} __packed; + +/* + * For signing capabilities context see MS-SMB2 2.2.3.1.7 + * and 2.2.4.1.7 + */ + +/* Signing algorithms */ +#define SIGNING_ALG_HMAC_SHA256 0 +#define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0) +#define SIGNING_ALG_AES_CMAC 1 +#define SIGNING_ALG_AES_CMAC_LE cpu_to_le16(1) +#define SIGNING_ALG_AES_GMAC 2 +#define SIGNING_ALG_AES_GMAC_LE cpu_to_le16(2) + +struct smb2_signing_capabilities { + __le16 ContextType; /* 8 */ + __le16 DataLength; + __le32 Reserved; + __le16 SigningAlgorithmCount; + __le16 SigningAlgorithms[]; + /* Followed by padding to 8 byte boundary (required by some servers) */ +} __packed; + +#define POSIX_CTXT_DATA_LEN 16 +struct smb2_posix_neg_context { + __le16 ContextType; /* 0x100 */ + __le16 DataLength; + __le32 Reserved; + __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */ +} __packed; + +struct smb2_negotiate_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 36 */ + __le16 DialectCount; + __le16 SecurityMode; + __le16 Reserved; /* MBZ */ + __le32 Capabilities; + __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; + /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */ + __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */ + __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */ + __le16 Reserved2; + __le16 Dialects[]; +} __packed; + +struct smb2_negotiate_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 65 */ + __le16 SecurityMode; + __le16 DialectRevision; + __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */ + __u8 ServerGUID[16]; + __le32 Capabilities; + __le32 MaxTransactSize; + __le32 MaxReadSize; + __le32 MaxWriteSize; + __le64 SystemTime; /* MBZ */ + __le64 ServerStartTime; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */ + __u8 Buffer[]; /* variable length GSS security buffer */ +} __packed; + + +/* + * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5 + */ +/* Flags */ +#define SMB2_SESSION_REQ_FLAG_BINDING 0x01 +#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04 + +struct smb2_sess_setup_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 25 */ + __u8 Flags; + __u8 SecurityMode; + __le32 Capabilities; + __le32 Channel; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __le64 PreviousSessionId; + __u8 Buffer[]; /* variable length GSS security buffer */ +} __packed; + +/* Currently defined SessionFlags */ +#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 +#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001) +#define SMB2_SESSION_FLAG_IS_NULL 0x0002 +#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002) +#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004 +#define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004) + +struct smb2_sess_setup_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 SessionFlags; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __u8 Buffer[]; /* variable length GSS security buffer */ +} __packed; + + +/* + * SMB2_LOGOFF See MS-SMB2 section 2.2.7 + */ +struct smb2_logoff_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_logoff_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + + +/* + * SMB2_CLOSE See MS-SMB2 section 2.2.15 + */ +/* Currently defined values for close flags */ +#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) +struct smb2_close_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __le16 Flags; + __le32 Reserved; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ +} __packed; + +/* + * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data) + */ +#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124 + +struct smb2_close_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* 60 */ + __le16 Flags; + __le32 Reserved; + struct_group(network_open_info, + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + /* Beginning of FILE_STANDARD_INFO equivalent */ + __le64 AllocationSize; + __le64 EndOfFile; + __le32 Attributes; + ); +} __packed; + + +/* + * SMB2_READ See MS-SMB2 section 2.2.19 + */ +/* For read request Flags field below, following flag is defined for SMB3.02 */ +#define SMB2_READFLAG_READ_UNBUFFERED 0x01 +#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */ + +/* Channel field for read and write: exactly one of following flags can be set*/ +#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000) +#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) +#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) +#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) + +/* SMB2 read request without RFC1001 length at the beginning */ +struct smb2_read_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 49 */ + __u8 Padding; /* offset from start of SMB2 header to place read */ + __u8 Flags; /* MBZ unless SMB3.02 or later */ + __le32 Length; + __le64 Offset; + __u64 PersistentFileId; + __u64 VolatileFileId; + __le32 MinimumCount; + __le32 Channel; /* MBZ except for SMB3 or later */ + __le32 RemainingBytes; + __le16 ReadChannelInfoOffset; + __le16 ReadChannelInfoLength; + __u8 Buffer[]; +} __packed; + +/* Read flags */ +#define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000) +#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001) + +struct smb2_read_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 17 */ + __u8 DataOffset; + __u8 Reserved; + __le32 DataLength; + __le32 DataRemaining; + __le32 Flags; + __u8 Buffer[]; +} __packed; + + +/* + * SMB2_WRITE See MS-SMB2 section 2.2.21 + */ +/* For write request Flags field below the following flags are defined: */ +#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ +#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ + +struct smb2_write_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 49 */ + __le16 DataOffset; /* offset from start of SMB2 header to write data */ + __le32 Length; + __le64 Offset; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le32 Channel; /* MBZ unless SMB3.02 or later */ + __le32 RemainingBytes; + __le16 WriteChannelInfoOffset; + __le16 WriteChannelInfoLength; + __le32 Flags; + __u8 Buffer[]; +} __packed; + +struct smb2_write_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 17 */ + __u8 DataOffset; + __u8 Reserved; + __le32 DataLength; + __le32 DataRemaining; + __u32 Reserved2; + __u8 Buffer[]; +} __packed; + + +/* + * SMB2_FLUSH See MS-SMB2 section 2.2.17 + */ +struct smb2_flush_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __le16 Reserved1; + __le32 Reserved2; + __u64 PersistentFileId; + __u64 VolatileFileId; +} __packed; + +struct smb2_flush_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; + __le16 Reserved; +} __packed; + +#define SMB2_LOCKFLAG_SHARED 0x0001 +#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002 +#define SMB2_LOCKFLAG_UNLOCK 0x0004 +#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 +#define SMB2_LOCKFLAG_MASK 0x0007 + +struct smb2_lock_element { + __le64 Offset; + __le64 Length; + __le32 Flags; + __le32 Reserved; +} __packed; + +struct smb2_lock_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 48 */ + __le16 LockCount; + /* + * The least significant four bits are the index, the other 28 bits are + * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 + */ + __le32 LockSequenceNumber; + __u64 PersistentFileId; + __u64 VolatileFileId; + /* Followed by at least one */ + union { + struct smb2_lock_element lock; + DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks); + }; +} __packed; + +struct smb2_lock_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_echo_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __u16 Reserved; +} __packed; + +struct smb2_echo_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __u16 Reserved; +} __packed; + +/* + * Valid FileInformation classes for query directory + * + * Note that these are a subset of the (file) QUERY_INFO levels defined + * later in this file (but since QUERY_DIRECTORY uses equivalent numbers + * we do not redefine them here) + * + * FileDirectoryInfomation 0x01 + * FileFullDirectoryInformation 0x02 + * FileIdFullDirectoryInformation 0x26 + * FileBothDirectoryInformation 0x03 + * FileIdBothDirectoryInformation 0x25 + * FileNamesInformation 0x0C + * FileIdExtdDirectoryInformation 0x3C + */ + +/* search (query_directory) Flags field */ +#define SMB2_RESTART_SCANS 0x01 +#define SMB2_RETURN_SINGLE_ENTRY 0x02 +#define SMB2_INDEX_SPECIFIED 0x04 +#define SMB2_REOPEN 0x10 + +struct smb2_query_directory_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 33 */ + __u8 FileInformationClass; + __u8 Flags; + __le32 FileIndex; + __u64 PersistentFileId; + __u64 VolatileFileId; + __le16 FileNameOffset; + __le16 FileNameLength; + __le32 OutputBufferLength; + __u8 Buffer[]; +} __packed; + +struct smb2_query_directory_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 OutputBufferOffset; + __le32 OutputBufferLength; + __u8 Buffer[]; +} __packed; + +/* + * Maximum number of iovs we need for a set-info request. + * The largest one is rename/hardlink + * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info + * [1] : path + * [2] : compound padding + */ +#define SMB2_SET_INFO_IOV_SIZE 3 + +struct smb2_set_info_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 33 */ + __u8 InfoType; + __u8 FileInfoClass; + __le32 BufferLength; + __le16 BufferOffset; + __u16 Reserved; + __le32 AdditionalInformation; + __u64 PersistentFileId; + __u64 VolatileFileId; + __u8 Buffer[]; +} __packed; + +struct smb2_set_info_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 2 */ +} __packed; + +/* + * SMB2_NOTIFY See MS-SMB2 section 2.2.35 + */ +/* notify flags */ +#define SMB2_WATCH_TREE 0x0001 + +/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */ +#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 +#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 +#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 +#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 +#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 +#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 +#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 +#define FILE_NOTIFY_CHANGE_EA 0x00000080 +#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 +#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 +#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 +#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 + +/* SMB2 Notify Action Flags */ +#define FILE_ACTION_ADDED 0x00000001 +#define FILE_ACTION_REMOVED 0x00000002 +#define FILE_ACTION_MODIFIED 0x00000003 +#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 +#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 +#define FILE_ACTION_ADDED_STREAM 0x00000006 +#define FILE_ACTION_REMOVED_STREAM 0x00000007 +#define FILE_ACTION_MODIFIED_STREAM 0x00000008 +#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009 + +struct smb2_change_notify_req { + struct smb2_hdr hdr; + __le16 StructureSize; + __le16 Flags; + __le32 OutputBufferLength; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le32 CompletionFilter; + __u32 Reserved; +} __packed; + +struct smb2_change_notify_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 OutputBufferOffset; + __le32 OutputBufferLength; + __u8 Buffer[]; /* array of file notify structs */ +} __packed; + + +/* + * SMB2_CREATE See MS-SMB2 section 2.2.13 + */ +/* Oplock levels */ +#define SMB2_OPLOCK_LEVEL_NONE 0x00 +#define SMB2_OPLOCK_LEVEL_II 0x01 +#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 +#define SMB2_OPLOCK_LEVEL_BATCH 0x09 +#define SMB2_OPLOCK_LEVEL_LEASE 0xFF +/* Non-spec internal type */ +#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 + +/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ +#define IL_ANONYMOUS cpu_to_le32(0x00000000) +#define IL_IDENTIFICATION cpu_to_le32(0x00000001) +#define IL_IMPERSONATION cpu_to_le32(0x00000002) +#define IL_DELEGATE cpu_to_le32(0x00000003) + +/* File Attrubutes */ +#define FILE_ATTRIBUTE_READONLY 0x00000001 +#define FILE_ATTRIBUTE_HIDDEN 0x00000002 +#define FILE_ATTRIBUTE_SYSTEM 0x00000004 +#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 +#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 +#define FILE_ATTRIBUTE_NORMAL 0x00000080 +#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 +#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 +#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 +#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 +#define FILE_ATTRIBUTE_OFFLINE 0x00001000 +#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 +#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 +#define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000 +#define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000 +#define FILE_ATTRIBUTE__MASK 0x00007FB7 + +#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001) +#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002) +#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004) +#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010) +#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020) +#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080) +#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100) +#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200) +#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400) +#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800) +#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000) +#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000) +#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000) +#define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000) +#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000) +#define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7) + +/* Desired Access Flags */ +#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) +#define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001) +#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) +#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) +#define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004) +#define FILE_READ_EA_LE cpu_to_le32(0x00000008) +#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) +#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) +#define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040) +#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) +#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) +#define FILE_DELETE_LE cpu_to_le32(0x00010000) +#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) +#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) +#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) +#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) +#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) +#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) +#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) +#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) +#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) +#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) +#define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF) + + +#define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \ + FILE_READ_EA_LE | \ + FILE_GENERIC_READ_LE) +#define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \ + FILE_APPEND_DATA_LE | \ + FILE_WRITE_EA_LE | \ + FILE_WRITE_ATTRIBUTES_LE | \ + FILE_GENERIC_WRITE_LE) + +/* ShareAccess Flags */ +#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) +#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) +#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) +#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) + +/* CreateDisposition Flags */ +#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) +#define FILE_OPEN_LE cpu_to_le32(0x00000001) +#define FILE_CREATE_LE cpu_to_le32(0x00000002) +#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) +#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) +#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) +#define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007) + +#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ + | FILE_READ_ATTRIBUTES) +#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ + | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) +#define FILE_EXEC_RIGHTS (FILE_EXECUTE) + +/* CreateOptions Flags */ +#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) +/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ +#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) +#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) +#define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008) +#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) +#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) +#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) +#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) +#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) +#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) +#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) +#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) +#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) +#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) +#define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF) + +#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ + | FILE_READ_ATTRIBUTES_LE) +#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ + | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) +#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) + +/* Create Context Values */ +#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ +#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ +#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" +#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" +#define SMB2_CREATE_ALLOCATION_SIZE "AlSi" +#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" +#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" +#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" +#define SMB2_CREATE_REQUEST_LEASE "RqLs" +#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q" +#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C" +#define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C" +#define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74" +#define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10" +#define SVHDX_OPEN_DEVICE_CONTEXT "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83" +#define SMB2_CREATE_TAG_AAPL "AAPL" + +/* Flag (SMB3 open response) values */ +#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01 + +struct create_context { + __le32 Next; + __le16 NameOffset; + __le16 NameLength; + __le16 Reserved; + __le16 DataOffset; + __le32 DataLength; + __u8 Buffer[]; +} __packed; + +struct smb2_create_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 57 */ + __u8 SecurityFlags; + __u8 RequestedOplockLevel; + __le32 ImpersonationLevel; + __le64 SmbCreateFlags; + __le64 Reserved; + __le32 DesiredAccess; + __le32 FileAttributes; + __le32 ShareAccess; + __le32 CreateDisposition; + __le32 CreateOptions; + __le16 NameOffset; + __le16 NameLength; + __le32 CreateContextsOffset; + __le32 CreateContextsLength; + __u8 Buffer[]; +} __packed; + +struct smb2_create_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 89 */ + __u8 OplockLevel; + __u8 Flags; /* 0x01 if reparse point */ + __le32 CreateAction; + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le64 AllocationSize; + __le64 EndofFile; + __le32 FileAttributes; + __le32 Reserved2; + __u64 PersistentFileId; + __u64 VolatileFileId; + __le32 CreateContextsOffset; + __le32 CreateContextsLength; + __u8 Buffer[]; +} __packed; + +struct create_posix { + struct create_context ccontext; + __u8 Name[16]; + __le32 Mode; + __u32 Reserved; +} __packed; + +/* See MS-SMB2 2.2.13.2.3 and MS-SMB2 2.2.13.2.4 */ +struct create_durable { + struct create_context ccontext; + __u8 Name[8]; + union { + __u8 Reserved[16]; + struct { + __u64 PersistentFileId; + __u64 VolatileFileId; + } Fid; + } Data; +} __packed; + +/* See MS-SMB2 2.2.13.2.5 */ +struct create_mxac_req { + struct create_context ccontext; + __u8 Name[8]; + __le64 Timestamp; +} __packed; + +/* See MS-SMB2 2.2.14.2.5 */ +struct create_mxac_rsp { + struct create_context ccontext; + __u8 Name[8]; + __le32 QueryStatus; + __le32 MaximalAccess; +} __packed; + +#define SMB2_LEASE_NONE_LE cpu_to_le32(0x00) +#define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01) +#define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02) +#define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04) + +#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) +#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE cpu_to_le32(0x04) + +#define SMB2_LEASE_KEY_SIZE 16 + +/* See MS-SMB2 2.2.13.2.8 */ +struct lease_context { + __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; + __le32 LeaseState; + __le32 LeaseFlags; + __le64 LeaseDuration; +} __packed; + +/* See MS-SMB2 2.2.13.2.10 */ +struct lease_context_v2 { + __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; + __le32 LeaseState; + __le32 LeaseFlags; + __le64 LeaseDuration; + __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; + __le16 Epoch; + __le16 Reserved; +} __packed; + +struct create_lease { + struct create_context ccontext; + __u8 Name[8]; + struct lease_context lcontext; +} __packed; + +struct create_lease_v2 { + struct create_context ccontext; + __u8 Name[8]; + struct lease_context_v2 lcontext; + __u8 Pad[4]; +} __packed; + +/* See MS-SMB2 2.2.14.2.9 */ +struct create_disk_id_rsp { + struct create_context ccontext; + __u8 Name[8]; + __le64 DiskFileId; + __le64 VolumeId; + __u8 Reserved[16]; +} __packed; + +/* See MS-SMB2 2.2.13.2.13 */ +struct create_app_inst_id { + struct create_context ccontext; + __u8 Name[16]; + __le32 StructureSize; /* Must be 20 */ + __u16 Reserved; + __u8 AppInstanceId[16]; +} __packed; + +/* See MS-SMB2 2.2.13.2.15 */ +struct create_app_inst_id_vers { + struct create_context ccontext; + __u8 Name[16]; + __le32 StructureSize; /* Must be 24 */ + __u16 Reserved; + __u32 Padding; + __le64 AppInstanceVersionHigh; + __le64 AppInstanceVersionLow; +} __packed; + +/* See MS-SMB2 2.2.31 and 2.2.32 */ +struct smb2_ioctl_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 57 */ + __le16 Reserved; /* offset from start of SMB2 header to write data */ + __le32 CtlCode; + __u64 PersistentFileId; + __u64 VolatileFileId; + __le32 InputOffset; /* Reserved MBZ */ + __le32 InputCount; + __le32 MaxInputResponse; + __le32 OutputOffset; + __le32 OutputCount; + __le32 MaxOutputResponse; + __le32 Flags; + __le32 Reserved2; + __u8 Buffer[]; +} __packed; + +struct smb2_ioctl_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 49 */ + __le16 Reserved; + __le32 CtlCode; + __u64 PersistentFileId; + __u64 VolatileFileId; + __le32 InputOffset; /* Reserved MBZ */ + __le32 InputCount; + __le32 OutputOffset; + __le32 OutputCount; + __le32 Flags; + __le32 Reserved2; + __u8 Buffer[]; +} __packed; + +/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */ +struct file_zero_data_information { + __le64 FileOffset; + __le64 BeyondFinalZero; +} __packed; + +/* See MS-FSCC 2.3.7 */ +struct duplicate_extents_to_file { + __u64 PersistentFileHandle; /* source file handle, opaque endianness */ + __u64 VolatileFileHandle; + __le64 SourceFileOffset; + __le64 TargetFileOffset; + __le64 ByteCount; /* Bytes to be copied */ +} __packed; + +/* See MS-FSCC 2.3.8 */ +#define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001 +struct duplicate_extents_to_file_ex { + __u64 PersistentFileHandle; /* source file handle, opaque endianness */ + __u64 VolatileFileHandle; + __le64 SourceFileOffset; + __le64 TargetFileOffset; + __le64 ByteCount; /* Bytes to be copied */ + __le32 Flags; + __le32 Reserved; +} __packed; + + +/* See MS-FSCC 2.3.20 */ +struct fsctl_get_integrity_information_rsp { + __le16 ChecksumAlgorithm; + __le16 Reserved; + __le32 Flags; + __le32 ChecksumChunkSizeInBytes; + __le32 ClusterSizeInBytes; +} __packed; + +/* See MS-FSCC 2.3.55 */ +struct fsctl_query_file_regions_req { + __le64 FileOffset; + __le64 Length; + __le32 DesiredUsage; + __le32 Reserved; +} __packed; + +/* DesiredUsage flags see MS-FSCC 2.3.56.1 */ +#define FILE_USAGE_INVALID_RANGE 0x00000000 +#define FILE_USAGE_VALID_CACHED_DATA 0x00000001 +#define FILE_USAGE_NONCACHED_DATA 0x00000002 + +struct file_region_info { + __le64 FileOffset; + __le64 Length; + __le32 DesiredUsage; + __le32 Reserved; +} __packed; + +/* See MS-FSCC 2.3.56 */ +struct fsctl_query_file_region_rsp { + __le32 Flags; + __le32 TotalRegionEntryCount; + __le32 RegionEntryCount; + __u32 Reserved; + struct file_region_info Regions[]; +} __packed; + +/* See MS-FSCC 2.3.58 */ +struct fsctl_query_on_disk_vol_info_rsp { + __le64 DirectoryCount; + __le64 FileCount; + __le16 FsFormatMajVersion; + __le16 FsFormatMinVersion; + __u8 FsFormatName[24]; + __le64 FormatTime; + __le64 LastUpdateTime; + __u8 CopyrightInfo[68]; + __u8 AbstractInfo[68]; + __u8 FormatImplInfo[68]; + __u8 LastModifyImplInfo[68]; +} __packed; + +/* See MS-FSCC 2.3.73 */ +struct fsctl_set_integrity_information_req { + __le16 ChecksumAlgorithm; + __le16 Reserved; + __le32 Flags; +} __packed; + +/* See MS-FSCC 2.3.75 */ +struct fsctl_set_integrity_info_ex_req { + __u8 EnableIntegrity; + __u8 KeepState; + __u16 Reserved; + __le32 Flags; + __u8 Version; + __u8 Reserved2[7]; +} __packed; + +/* Integrity ChecksumAlgorithm choices for above */ +#define CHECKSUM_TYPE_NONE 0x0000 +#define CHECKSUM_TYPE_CRC64 0x0002 +#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ + +/* Integrity flags for above */ +#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 + +/* Reparse structures - see MS-FSCC 2.1.2 */ + +/* struct fsctl_reparse_info_req is empty, only response structs (see below) */ +struct reparse_data_buffer { + __le32 ReparseTag; + __le16 ReparseDataLength; + __u16 Reserved; + __u8 DataBuffer[]; /* Variable Length */ +} __packed; + +struct reparse_guid_data_buffer { + __le32 ReparseTag; + __le16 ReparseDataLength; + __u16 Reserved; + __u8 ReparseGuid[16]; + __u8 DataBuffer[]; /* Variable Length */ +} __packed; + +struct reparse_mount_point_data_buffer { + __le32 ReparseTag; + __le16 ReparseDataLength; + __u16 Reserved; + __le16 SubstituteNameOffset; + __le16 SubstituteNameLength; + __le16 PrintNameOffset; + __le16 PrintNameLength; + __u8 PathBuffer[]; /* Variable Length */ +} __packed; + +#define SYMLINK_FLAG_RELATIVE 0x00000001 + +struct reparse_symlink_data_buffer { + __le32 ReparseTag; + __le16 ReparseDataLength; + __u16 Reserved; + __le16 SubstituteNameOffset; + __le16 SubstituteNameLength; + __le16 PrintNameOffset; + __le16 PrintNameLength; + __le32 Flags; + __u8 PathBuffer[]; /* Variable Length */ +} __packed; + +/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */ + +struct validate_negotiate_info_req { + __le32 Capabilities; + __u8 Guid[SMB2_CLIENT_GUID_SIZE]; + __le16 SecurityMode; + __le16 DialectCount; + __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */ +} __packed; + +struct validate_negotiate_info_rsp { + __le32 Capabilities; + __u8 Guid[SMB2_CLIENT_GUID_SIZE]; + __le16 SecurityMode; + __le16 Dialect; /* Dialect in use for the connection */ +} __packed; + + +/* Possible InfoType values */ +#define SMB2_O_INFO_FILE 0x01 +#define SMB2_O_INFO_FILESYSTEM 0x02 +#define SMB2_O_INFO_SECURITY 0x03 +#define SMB2_O_INFO_QUOTA 0x04 + +/* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */ + +/* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */ +#define FILE_DIRECTORY_INFORMATION 1 /* also for QUERY_DIR */ +#define FILE_FULL_DIRECTORY_INFORMATION 2 /* also for QUERY_DIR */ +#define FILE_BOTH_DIRECTORY_INFORMATION 3 /* also for QUERY_DIR */ +#define FILE_BASIC_INFORMATION 4 +#define FILE_STANDARD_INFORMATION 5 +#define FILE_INTERNAL_INFORMATION 6 +#define FILE_EA_INFORMATION 7 +#define FILE_ACCESS_INFORMATION 8 +#define FILE_NAME_INFORMATION 9 +#define FILE_RENAME_INFORMATION 10 +#define FILE_LINK_INFORMATION 11 +#define FILE_NAMES_INFORMATION 12 /* also for QUERY_DIR */ +#define FILE_DISPOSITION_INFORMATION 13 +#define FILE_POSITION_INFORMATION 14 +#define FILE_FULL_EA_INFORMATION 15 +#define FILE_MODE_INFORMATION 16 +#define FILE_ALIGNMENT_INFORMATION 17 +#define FILE_ALL_INFORMATION 18 +#define FILE_ALLOCATION_INFORMATION 19 +#define FILE_END_OF_FILE_INFORMATION 20 +#define FILE_ALTERNATE_NAME_INFORMATION 21 +#define FILE_STREAM_INFORMATION 22 +#define FILE_PIPE_INFORMATION 23 +#define FILE_PIPE_LOCAL_INFORMATION 24 +#define FILE_PIPE_REMOTE_INFORMATION 25 +#define FILE_MAILSLOT_QUERY_INFORMATION 26 +#define FILE_MAILSLOT_SET_INFORMATION 27 +#define FILE_COMPRESSION_INFORMATION 28 +#define FILE_OBJECT_ID_INFORMATION 29 +/* Number 30 not defined in documents */ +#define FILE_MOVE_CLUSTER_INFORMATION 31 +#define FILE_QUOTA_INFORMATION 32 +#define FILE_REPARSE_POINT_INFORMATION 33 +#define FILE_NETWORK_OPEN_INFORMATION 34 +#define FILE_ATTRIBUTE_TAG_INFORMATION 35 +#define FILE_TRACKING_INFORMATION 36 +#define FILEID_BOTH_DIRECTORY_INFORMATION 37 /* also for QUERY_DIR */ +#define FILEID_FULL_DIRECTORY_INFORMATION 38 /* also for QUERY_DIR */ +#define FILE_VALID_DATA_LENGTH_INFORMATION 39 +#define FILE_SHORT_NAME_INFORMATION 40 +#define FILE_SFIO_RESERVE_INFORMATION 44 +#define FILE_SFIO_VOLUME_INFORMATION 45 +#define FILE_HARD_LINK_INFORMATION 46 +#define FILE_NORMALIZED_NAME_INFORMATION 48 +#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 +#define FILE_STANDARD_LINK_INFORMATION 54 +#define FILE_ID_INFORMATION 59 +#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 /* also for QUERY_DIR */ +/* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */ +#define SMB_FIND_FILE_POSIX_INFO 0x064 + +/* Security info type additionalinfo flags. */ +#define OWNER_SECINFO 0x00000001 +#define GROUP_SECINFO 0x00000002 +#define DACL_SECINFO 0x00000004 +#define SACL_SECINFO 0x00000008 +#define LABEL_SECINFO 0x00000010 +#define ATTRIBUTE_SECINFO 0x00000020 +#define SCOPE_SECINFO 0x00000040 +#define BACKUP_SECINFO 0x00010000 +#define UNPROTECTED_SACL_SECINFO 0x10000000 +#define UNPROTECTED_DACL_SECINFO 0x20000000 +#define PROTECTED_SACL_SECINFO 0x40000000 +#define PROTECTED_DACL_SECINFO 0x80000000 + +/* Flags used for FileFullEAinfo */ +#define SL_RESTART_SCAN 0x00000001 +#define SL_RETURN_SINGLE_ENTRY 0x00000002 +#define SL_INDEX_SPECIFIED 0x00000004 + +struct smb2_query_info_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 41 */ + __u8 InfoType; + __u8 FileInfoClass; + __le32 OutputBufferLength; + __le16 InputBufferOffset; + __u16 Reserved; + __le32 InputBufferLength; + __le32 AdditionalInformation; + __le32 Flags; + __u64 PersistentFileId; + __u64 VolatileFileId; + __u8 Buffer[]; +} __packed; + +struct smb2_query_info_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 OutputBufferOffset; + __le32 OutputBufferLength; + __u8 Buffer[]; +} __packed; + +/* + * PDU query infolevel structure definitions + */ + +/* See MS-FSCC 2.3.52 */ +struct file_allocated_range_buffer { + __le64 file_offset; + __le64 length; +} __packed; + +struct smb2_file_internal_info { + __le64 IndexNumber; +} __packed; /* level 6 Query */ + +struct smb2_file_rename_info { /* encoding of request for level 10 */ + __u8 ReplaceIfExists; /* 1 = replace existing target with new */ + /* 0 = fail if target already exists */ + __u8 Reserved[7]; + __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ + __le32 FileNameLength; + char FileName[]; /* New name to be assigned */ + /* padding - overall struct size must be >= 24 so filename + pad >= 6 */ +} __packed; /* level 10 Set */ + +struct smb2_file_link_info { /* encoding of request for level 11 */ + __u8 ReplaceIfExists; /* 1 = replace existing link with new */ + /* 0 = fail if link already exists */ + __u8 Reserved[7]; + __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ + __le32 FileNameLength; + char FileName[]; /* Name to be assigned to new link */ +} __packed; /* level 11 Set */ + +/* + * This level 18, although with struct with same name is different from cifs + * level 0x107. Level 0x107 has an extra u64 between AccessFlags and + * CurrentByteOffset. + */ +struct smb2_file_all_info { /* data block encoding of response to level 18 */ + __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le32 Attributes; + __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ + __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ + __le64 EndOfFile; /* size ie offset to first free byte in file */ + __le32 NumberOfLinks; /* hard links */ + __u8 DeletePending; + __u8 Directory; + __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ + __le64 IndexNumber; + __le32 EASize; + __le32 AccessFlags; + __le64 CurrentByteOffset; + __le32 Mode; + __le32 AlignmentRequirement; + __le32 FileNameLength; + union { + char __pad; /* Legacy structure padding */ + DECLARE_FLEX_ARRAY(char, FileName); + }; +} __packed; /* level 18 Query */ + +struct smb2_file_eof_info { /* encoding of request for level 10 */ + __le64 EndOfFile; /* new end of file value */ +} __packed; /* level 20 Set */ + +/* Level 100 query info */ +struct smb311_posix_qinfo { + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le64 EndOfFile; + __le64 AllocationSize; + __le32 DosAttributes; + __le64 Inode; + __le32 DeviceId; + __le32 Zero; + /* beginning of POSIX Create Context Response */ + __le32 HardLinks; + __le32 ReparseTag; + __le32 Mode; + u8 Sids[]; + /* + * var sized owner SID + * var sized group SID + * le32 filenamelength + * u8 filename[] + */ +} __packed; + +/* File System Information Classes */ +#define FS_VOLUME_INFORMATION 1 /* Query */ +#define FS_LABEL_INFORMATION 2 /* Set */ +#define FS_SIZE_INFORMATION 3 /* Query */ +#define FS_DEVICE_INFORMATION 4 /* Query */ +#define FS_ATTRIBUTE_INFORMATION 5 /* Query */ +#define FS_CONTROL_INFORMATION 6 /* Query, Set */ +#define FS_FULL_SIZE_INFORMATION 7 /* Query */ +#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ +#define FS_DRIVER_PATH_INFORMATION 9 /* Query */ +#define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */ +#define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */ + +struct smb2_fs_full_size_info { + __le64 TotalAllocationUnits; + __le64 CallerAvailableAllocationUnits; + __le64 ActualAvailableAllocationUnits; + __le32 SectorsPerAllocationUnit; + __le32 BytesPerSector; +} __packed; + +#define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001 +#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002 +#define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004 +#define SSINFO_FLAGS_TRIM_ENABLED 0x00000008 + +/* sector size info struct */ +struct smb3_fs_ss_info { + __le32 LogicalBytesPerSector; + __le32 PhysicalBytesPerSectorForAtomicity; + __le32 PhysicalBytesPerSectorForPerf; + __le32 FSEffPhysicalBytesPerSectorForAtomicity; + __le32 Flags; + __le32 ByteOffsetForSectorAlignment; + __le32 ByteOffsetForPartitionAlignment; +} __packed; + +/* File System Control Information */ +struct smb2_fs_control_info { + __le64 FreeSpaceStartFiltering; + __le64 FreeSpaceThreshold; + __le64 FreeSpaceStopFiltering; + __le64 DefaultQuotaThreshold; + __le64 DefaultQuotaLimit; + __le32 FileSystemControlFlags; + __le32 Padding; +} __packed; + +/* volume info struct - see MS-FSCC 2.5.9 */ +#define MAX_VOL_LABEL_LEN 32 +struct smb3_fs_vol_info { + __le64 VolumeCreationTime; + __u32 VolumeSerialNumber; + __le32 VolumeLabelLength; /* includes trailing null */ + __u8 SupportsObjects; /* True if eg like NTFS, supports objects */ + __u8 Reserved; + __u8 VolumeLabel[]; /* variable len */ +} __packed; + +/* See MS-SMB2 2.2.23 through 2.2.25 */ +struct smb2_oplock_break { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __u8 OplockLevel; + __u8 Reserved; + __le32 Reserved2; + __u64 PersistentFid; + __u64 VolatileFid; +} __packed; + +#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) + +struct smb2_lease_break { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 44 */ + __le16 Epoch; + __le32 Flags; + __u8 LeaseKey[16]; + __le32 CurrentLeaseState; + __le32 NewLeaseState; + __le32 BreakReason; + __le32 AccessMaskHint; + __le32 ShareMaskHint; +} __packed; + +struct smb2_lease_ack { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 36 */ + __le16 Reserved; + __le32 Flags; + __u8 LeaseKey[16]; + __le32 LeaseState; + __le64 LeaseDuration; +} __packed; + +#define OP_BREAK_STRUCT_SIZE_20 24 +#define OP_BREAK_STRUCT_SIZE_21 36 +#endif /* _COMMON_SMB2PDU_H */ diff --git a/fs/smb/common/smbfsctl.h b/fs/smb/common/smbfsctl.h new file mode 100644 index 0000000000..edd7fc2a79 --- /dev/null +++ b/fs/smb/common/smbfsctl.h @@ -0,0 +1,170 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +/* + * SMB, CIFS, SMB2 FSCTL definitions + * + * Copyright (c) International Business Machines Corp., 2002,2013 + * Author(s): Steve French (sfrench@us.ibm.com) + * + */ + +/* IOCTL information */ +/* + * List of ioctl/fsctl function codes that are or could be useful in the + * future to remote clients like cifs or SMB2/SMB3 client. This is probably + * a slightly larger set of fsctls that NTFS local filesystem could handle, + * including the seven below that we do not have struct definitions for. + * Even with protocol definitions for most of these now available, we still + * need to do some experimentation to identify which are practical to do + * remotely. Some of the following, such as the encryption/compression ones + * could be invoked from tools via a specialized hook into the VFS rather + * than via the standard vfs entry points + * + * See MS-SMB2 Section 2.2.31 (last checked September 2021, all of that list are + * below). Additional detail on less common ones can be found in MS-FSCC + * section 2.3. + */ + +#ifndef __SMBFSCTL_H +#define __SMBFSCTL_H + +/* + * FSCTL values are 32 bits and are constructed as + * <device 16bits> <access 2bits> <function 12bits> <method 2bits> + */ +/* Device */ +#define FSCTL_DEVICE_DFS (0x0006 << 16) +#define FSCTL_DEVICE_FILE_SYSTEM (0x0009 << 16) +#define FSCTL_DEVICE_NAMED_PIPE (0x0011 << 16) +#define FSCTL_DEVICE_NETWORK_FILE_SYSTEM (0x0014 << 16) +#define FSCTL_DEVICE_MASK 0xffff0000 +/* Access */ +#define FSCTL_DEVICE_ACCESS_FILE_ANY_ACCESS (0x00 << 14) +#define FSCTL_DEVICE_ACCESS_FILE_READ_ACCESS (0x01 << 14) +#define FSCTL_DEVICE_ACCESS_FILE_WRITE_ACCESS (0x02 << 14) +#define FSCTL_DEVICE_ACCESS_FILE_READ_WRITE_ACCESS (0x03 << 14) +#define FSCTL_DEVICE_ACCESS_MASK 0x0000c000 +/* Function */ +#define FSCTL_DEVICE_FUNCTION_MASK 0x00003ffc +/* Method */ +#define FSCTL_DEVICE_METHOD_BUFFERED 0x00 +#define FSCTL_DEVICE_METHOD_IN_DIRECT 0x01 +#define FSCTL_DEVICE_METHOD_OUT_DIRECT 0x02 +#define FSCTL_DEVICE_METHOD_NEITHER 0x03 +#define FSCTL_DEVICE_METHOD_MASK 0x00000003 + + +#define FSCTL_DFS_GET_REFERRALS 0x00060194 +#define FSCTL_DFS_GET_REFERRALS_EX 0x000601B0 +#define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000 +#define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004 +#define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008 +#define FSCTL_LOCK_VOLUME 0x00090018 +#define FSCTL_UNLOCK_VOLUME 0x0009001C +#define FSCTL_IS_PATHNAME_VALID 0x0009002C /* BB add struct */ +#define FSCTL_GET_COMPRESSION 0x0009003C /* BB add struct */ +#define FSCTL_SET_COMPRESSION 0x0009C040 /* BB add struct */ +#define FSCTL_QUERY_FAT_BPB 0x00090058 /* BB add struct */ +/* Verify the next FSCTL number, we had it as 0x00090090 before */ +#define FSCTL_FILESYSTEM_GET_STATS 0x00090060 /* BB add struct */ +#define FSCTL_GET_NTFS_VOLUME_DATA 0x00090064 /* BB add struct */ +#define FSCTL_GET_RETRIEVAL_POINTERS 0x00090073 /* BB add struct */ +#define FSCTL_IS_VOLUME_DIRTY 0x00090078 /* BB add struct */ +#define FSCTL_ALLOW_EXTENDED_DASD_IO 0x00090083 /* BB add struct */ +#define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C +#define FSCTL_FIND_FILES_BY_SID 0x0009008F /* BB add struct */ +#define FSCTL_SET_OBJECT_ID 0x00090098 /* BB add struct */ +#define FSCTL_GET_OBJECT_ID 0x0009009C /* BB add struct */ +#define FSCTL_DELETE_OBJECT_ID 0x000900A0 /* BB add struct */ +#define FSCTL_SET_REPARSE_POINT 0x000900A4 /* BB add struct */ +#define FSCTL_GET_REPARSE_POINT 0x000900A8 /* BB add struct */ +#define FSCTL_DELETE_REPARSE_POINT 0x000900AC /* BB add struct */ +#define FSCTL_SET_OBJECT_ID_EXTENDED 0x000900BC /* BB add struct */ +#define FSCTL_CREATE_OR_GET_OBJECT_ID 0x000900C0 /* BB add struct */ +#define FSCTL_SET_SPARSE 0x000900C4 /* BB add struct */ +#define FSCTL_SET_ZERO_DATA 0x000980C8 +#define FSCTL_SET_ENCRYPTION 0x000900D7 /* BB add struct */ +#define FSCTL_ENCRYPTION_FSCTL_IO 0x000900DB /* BB add struct */ +#define FSCTL_WRITE_RAW_ENCRYPTED 0x000900DF /* BB add struct */ +#define FSCTL_READ_RAW_ENCRYPTED 0x000900E3 /* BB add struct */ +#define FSCTL_READ_FILE_USN_DATA 0x000900EB /* BB add struct */ +#define FSCTL_WRITE_USN_CLOSE_RECORD 0x000900EF /* BB add struct */ +#define FSCTL_MARK_HANDLE 0x000900FC /* BB add struct */ +#define FSCTL_SIS_COPYFILE 0x00090100 /* BB add struct */ +#define FSCTL_RECALL_FILE 0x00090117 /* BB add struct */ +#define FSCTL_QUERY_SPARING_INFO 0x00090138 /* BB add struct */ +#define FSCTL_QUERY_ON_DISK_VOLUME_INFO 0x0009013C +#define FSCTL_SET_ZERO_ON_DEALLOC 0x00090194 /* BB add struct */ +#define FSCTL_SET_SHORT_NAME_BEHAVIOR 0x000901B4 /* BB add struct */ +#define FSCTL_GET_INTEGRITY_INFORMATION 0x0009027C +#define FSCTL_QUERY_FILE_REGIONS 0x00090284 +#define FSCTL_GET_REFS_VOLUME_DATA 0x000902D8 /* See MS-FSCC 2.3.24 */ +#define FSCTL_SET_INTEGRITY_INFORMATION_EXT 0x00090380 +#define FSCTL_GET_RETRIEVAL_POINTERS_AND_REFCOUNT 0x000903d3 +#define FSCTL_GET_RETRIEVAL_POINTER_COUNT 0x0009042b +#define FSCTL_REFS_STREAM_SNAPSHOT_MANAGEMENT 0x00090440 +#define FSCTL_QUERY_ALLOCATED_RANGES 0x000940CF +#define FSCTL_OFFLOAD_READ 0x00094264 /* BB add struct */ +#define FSCTL_OFFLOAD_WRITE 0x00098268 /* BB add struct */ +#define FSCTL_SET_DEFECT_MANAGEMENT 0x00098134 /* BB add struct */ +#define FSCTL_FILE_LEVEL_TRIM 0x00098208 /* BB add struct */ +#define FSCTL_DUPLICATE_EXTENTS_TO_FILE 0x00098344 +#define FSCTL_DUPLICATE_EXTENTS_TO_FILE_EX 0x000983E8 +#define FSCTL_SIS_LINK_FILES 0x0009C104 +#define FSCTL_SET_INTEGRITY_INFORMATION 0x0009C280 +#define FSCTL_PIPE_PEEK 0x0011400C /* BB add struct */ +#define FSCTL_PIPE_TRANSCEIVE 0x0011C017 /* BB add struct */ +/* strange that the number for this op is not sequential with previous op */ +#define FSCTL_PIPE_WAIT 0x00110018 /* BB add struct */ +/* Enumerate previous versions of a file */ +#define FSCTL_SRV_ENUMERATE_SNAPSHOTS 0x00144064 +/* Retrieve an opaque file reference for server-side data movement ie copy */ +#define FSCTL_SRV_REQUEST_RESUME_KEY 0x00140078 +#define FSCTL_LMR_REQUEST_RESILIENCY 0x001401D4 +#define FSCTL_LMR_GET_LINK_TRACK_INF 0x001400E8 /* BB add struct */ +#define FSCTL_LMR_SET_LINK_TRACK_INF 0x001400EC /* BB add struct */ +#define FSCTL_VALIDATE_NEGOTIATE_INFO 0x00140204 +/* Perform server-side data movement */ +#define FSCTL_SRV_COPYCHUNK 0x001440F2 +#define FSCTL_SRV_COPYCHUNK_WRITE 0x001480F2 +#define FSCTL_QUERY_NETWORK_INTERFACE_INFO 0x001401FC /* BB add struct */ +#define FSCTL_SRV_READ_HASH 0x001441BB /* BB add struct */ + +/* See FSCC 2.1.2.5 */ +#define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003 +#define IO_REPARSE_TAG_HSM 0xC0000004 +#define IO_REPARSE_TAG_SIS 0x80000007 +#define IO_REPARSE_TAG_HSM2 0x80000006 +#define IO_REPARSE_TAG_DRIVER_EXTENDER 0x80000005 +/* Used by the DFS filter. See MS-DFSC */ +#define IO_REPARSE_TAG_DFS 0x8000000A +/* Used by the DFS filter See MS-DFSC */ +#define IO_REPARSE_TAG_DFSR 0x80000012 +#define IO_REPARSE_TAG_FILTER_MANAGER 0x8000000B +/* See section MS-FSCC 2.1.2.4 */ +#define IO_REPARSE_TAG_SYMLINK 0xA000000C +#define IO_REPARSE_TAG_DEDUP 0x80000013 +#define IO_REPARSE_APPXSTREAM 0xC0000014 +/* NFS symlinks, Win 8/SMB3 and later */ +#define IO_REPARSE_TAG_NFS 0x80000014 +/* + * AzureFileSync - see + * https://docs.microsoft.com/en-us/azure/storage/files/storage-sync-cloud-tiering + */ +#define IO_REPARSE_TAG_AZ_FILE_SYNC 0x8000001e +/* WSL reparse tags */ +#define IO_REPARSE_TAG_LX_SYMLINK 0xA000001D +#define IO_REPARSE_TAG_AF_UNIX 0x80000023 +#define IO_REPARSE_TAG_LX_FIFO 0x80000024 +#define IO_REPARSE_TAG_LX_CHR 0x80000025 +#define IO_REPARSE_TAG_LX_BLK 0x80000026 + +#define IO_REPARSE_TAG_LX_SYMLINK_LE cpu_to_le32(0xA000001D) +#define IO_REPARSE_TAG_AF_UNIX_LE cpu_to_le32(0x80000023) +#define IO_REPARSE_TAG_LX_FIFO_LE cpu_to_le32(0x80000024) +#define IO_REPARSE_TAG_LX_CHR_LE cpu_to_le32(0x80000025) +#define IO_REPARSE_TAG_LX_BLK_LE cpu_to_le32(0x80000026) + +/* fsctl flags */ +/* If Flags is set to this value, the request is an FSCTL not ioctl request */ +#define SMB2_0_IOCTL_IS_FSCTL 0x00000001 +#endif /* __SMBFSCTL_H */ |