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0001 /* SPDX-License-Identifier: LGPL-2.1 */
0002 #ifndef _COMMON_SMB2PDU_H
0003 #define _COMMON_SMB2PDU_H
0004 
0005 /*
0006  * Note that, due to trying to use names similar to the protocol specifications,
0007  * there are many mixed case field names in the structures below.  Although
0008  * this does not match typical Linux kernel style, it is necessary to be
0009  * able to match against the protocol specfication.
0010  *
0011  * SMB2 commands
0012  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
0013  * (ie no useful data other than the SMB error code itself) and are marked such.
0014  * Knowing this helps avoid response buffer allocations and copy in some cases.
0015  */
0016 
0017 /* List of commands in host endian */
0018 #define SMB2_NEGOTIATE_HE   0x0000
0019 #define SMB2_SESSION_SETUP_HE   0x0001
0020 #define SMB2_LOGOFF_HE      0x0002 /* trivial request/resp */
0021 #define SMB2_TREE_CONNECT_HE    0x0003
0022 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
0023 #define SMB2_CREATE_HE      0x0005
0024 #define SMB2_CLOSE_HE       0x0006
0025 #define SMB2_FLUSH_HE       0x0007 /* trivial resp */
0026 #define SMB2_READ_HE        0x0008
0027 #define SMB2_WRITE_HE       0x0009
0028 #define SMB2_LOCK_HE        0x000A
0029 #define SMB2_IOCTL_HE       0x000B
0030 #define SMB2_CANCEL_HE      0x000C
0031 #define SMB2_ECHO_HE        0x000D
0032 #define SMB2_QUERY_DIRECTORY_HE 0x000E
0033 #define SMB2_CHANGE_NOTIFY_HE   0x000F
0034 #define SMB2_QUERY_INFO_HE  0x0010
0035 #define SMB2_SET_INFO_HE    0x0011
0036 #define SMB2_OPLOCK_BREAK_HE    0x0012
0037 
0038 /* The same list in little endian */
0039 #define SMB2_NEGOTIATE      cpu_to_le16(SMB2_NEGOTIATE_HE)
0040 #define SMB2_SESSION_SETUP  cpu_to_le16(SMB2_SESSION_SETUP_HE)
0041 #define SMB2_LOGOFF     cpu_to_le16(SMB2_LOGOFF_HE)
0042 #define SMB2_TREE_CONNECT   cpu_to_le16(SMB2_TREE_CONNECT_HE)
0043 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
0044 #define SMB2_CREATE     cpu_to_le16(SMB2_CREATE_HE)
0045 #define SMB2_CLOSE      cpu_to_le16(SMB2_CLOSE_HE)
0046 #define SMB2_FLUSH      cpu_to_le16(SMB2_FLUSH_HE)
0047 #define SMB2_READ       cpu_to_le16(SMB2_READ_HE)
0048 #define SMB2_WRITE      cpu_to_le16(SMB2_WRITE_HE)
0049 #define SMB2_LOCK       cpu_to_le16(SMB2_LOCK_HE)
0050 #define SMB2_IOCTL      cpu_to_le16(SMB2_IOCTL_HE)
0051 #define SMB2_CANCEL     cpu_to_le16(SMB2_CANCEL_HE)
0052 #define SMB2_ECHO       cpu_to_le16(SMB2_ECHO_HE)
0053 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
0054 #define SMB2_CHANGE_NOTIFY  cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
0055 #define SMB2_QUERY_INFO     cpu_to_le16(SMB2_QUERY_INFO_HE)
0056 #define SMB2_SET_INFO       cpu_to_le16(SMB2_SET_INFO_HE)
0057 #define SMB2_OPLOCK_BREAK   cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
0058 
0059 #define SMB2_INTERNAL_CMD   cpu_to_le16(0xFFFF)
0060 
0061 #define NUMBER_OF_SMB2_COMMANDS 0x0013
0062 
0063 /*
0064  * Size of the session key (crypto key encrypted with the password
0065  */
0066 #define SMB2_NTLMV2_SESSKEY_SIZE    16
0067 #define SMB2_SIGNATURE_SIZE     16
0068 #define SMB2_HMACSHA256_SIZE        32
0069 #define SMB2_CMACAES_SIZE       16
0070 #define SMB3_GCM128_CRYPTKEY_SIZE   16
0071 #define SMB3_GCM256_CRYPTKEY_SIZE   32
0072 
0073 /*
0074  * Size of the smb3 encryption/decryption keys
0075  * This size is big enough to store any cipher key types.
0076  */
0077 #define SMB3_ENC_DEC_KEY_SIZE       32
0078 
0079 /*
0080  * Size of the smb3 signing key
0081  */
0082 #define SMB3_SIGN_KEY_SIZE      16
0083 
0084 #define CIFS_CLIENT_CHALLENGE_SIZE  8
0085 
0086 /* Maximum buffer size value we can send with 1 credit */
0087 #define SMB2_MAX_BUFFER_SIZE 65536
0088 
0089 /*
0090  * The default wsize is 1M for SMB2 (and for some CIFS cases).
0091  * find_get_pages seems to return a maximum of 256
0092  * pages in a single call. With PAGE_SIZE == 4k, this means we can
0093  * fill a single wsize request with a single call.
0094  */
0095 #define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024)
0096 
0097 /*
0098  * SMB2 Header Definition
0099  *
0100  * "MBZ" :  Must be Zero
0101  * "BB"  :  BugBug, Something to check/review/analyze later
0102  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
0103  *
0104  */
0105 
0106 #define __SMB2_HEADER_STRUCTURE_SIZE    64
0107 #define SMB2_HEADER_STRUCTURE_SIZE              \
0108     cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE)
0109 
0110 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
0111 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
0112 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc)
0113 
0114 /*
0115  *  SMB2 flag definitions
0116  */
0117 #define SMB2_FLAGS_SERVER_TO_REDIR  cpu_to_le32(0x00000001)
0118 #define SMB2_FLAGS_ASYNC_COMMAND    cpu_to_le32(0x00000002)
0119 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
0120 #define SMB2_FLAGS_SIGNED       cpu_to_le32(0x00000008)
0121 #define SMB2_FLAGS_PRIORITY_MASK    cpu_to_le32(0x00000070) /* SMB3.1.1 */
0122 #define SMB2_FLAGS_DFS_OPERATIONS   cpu_to_le32(0x10000000)
0123 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */
0124 
0125 /*
0126  *  Definitions for SMB2 Protocol Data Units (network frames)
0127  *
0128  *  See MS-SMB2.PDF specification for protocol details.
0129  *  The Naming convention is the lower case version of the SMB2
0130  *  command code name for the struct. Note that structures must be packed.
0131  *
0132  */
0133 
0134 /* See MS-SMB2 section 2.2.1 */
0135 struct smb2_hdr {
0136     __le32 ProtocolId;  /* 0xFE 'S' 'M' 'B' */
0137     __le16 StructureSize;   /* 64 */
0138     __le16 CreditCharge;    /* MBZ */
0139     __le32 Status;      /* Error from server */
0140     __le16 Command;
0141     __le16 CreditRequest;   /* CreditResponse */
0142     __le32 Flags;
0143     __le32 NextCommand;
0144     __le64 MessageId;
0145     union {
0146         struct {
0147             __le32 ProcessId;
0148             __le32  TreeId;
0149         } __packed SyncId;
0150         __le64  AsyncId;
0151     } __packed Id;
0152     __le64  SessionId;
0153     __u8   Signature[16];
0154 } __packed;
0155 
0156 struct smb2_pdu {
0157     struct smb2_hdr hdr;
0158     __le16 StructureSize2; /* size of wct area (varies, request specific) */
0159 } __packed;
0160 
0161 #define SMB2_ERROR_STRUCTURE_SIZE2  9
0162 #define SMB2_ERROR_STRUCTURE_SIZE2_LE   cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2)
0163 
0164 struct smb2_err_rsp {
0165     struct smb2_hdr hdr;
0166     __le16 StructureSize;
0167     __u8   ErrorContextCount;
0168     __u8   Reserved;
0169     __le32 ByteCount;  /* even if zero, at least one byte follows */
0170     __u8   ErrorData[1];  /* variable length */
0171 } __packed;
0172 
0173 #define SMB3_AES_CCM_NONCE 11
0174 #define SMB3_AES_GCM_NONCE 12
0175 
0176 /* Transform flags (for 3.0 dialect this flag indicates CCM */
0177 #define TRANSFORM_FLAG_ENCRYPTED    0x0001
0178 struct smb2_transform_hdr {
0179     __le32 ProtocolId;  /* 0xFD 'S' 'M' 'B' */
0180     __u8   Signature[16];
0181     __u8   Nonce[16];
0182     __le32 OriginalMessageSize;
0183     __u16  Reserved1;
0184     __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */
0185     __le64  SessionId;
0186 } __packed;
0187 
0188 
0189 /* See MS-SMB2 2.2.42 */
0190 struct smb2_compression_transform_hdr_unchained {
0191     __le32 ProtocolId;  /* 0xFC 'S' 'M' 'B' */
0192     __le32 OriginalCompressedSegmentSize;
0193     __le16 CompressionAlgorithm;
0194     __le16 Flags;
0195     __le16 Length; /* if chained it is length, else offset */
0196 } __packed;
0197 
0198 /* See MS-SMB2 2.2.42.1 */
0199 #define SMB2_COMPRESSION_FLAG_NONE  0x0000
0200 #define SMB2_COMPRESSION_FLAG_CHAINED   0x0001
0201 
0202 struct compression_payload_header {
0203     __le16  CompressionAlgorithm;
0204     __le16  Flags;
0205     __le32  Length; /* length of compressed playload including field below if present */
0206     /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */
0207 } __packed;
0208 
0209 /* See MS-SMB2 2.2.42.2 */
0210 struct smb2_compression_transform_hdr_chained {
0211     __le32 ProtocolId;  /* 0xFC 'S' 'M' 'B' */
0212     __le32 OriginalCompressedSegmentSize;
0213     /* struct compression_payload_header[] */
0214 } __packed;
0215 
0216 /* See MS-SMB2 2.2.42.2.2 */
0217 struct compression_pattern_payload_v1 {
0218     __le16  Pattern;
0219     __le16  Reserved1;
0220     __le16  Reserved2;
0221     __le32  Repetitions;
0222 } __packed;
0223 
0224 /* See MS-SMB2 section 2.2.9.2 */
0225 /* Context Types */
0226 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
0227 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
0228 
0229 struct tree_connect_contexts {
0230     __le16 ContextType;
0231     __le16 DataLength;
0232     __le32 Reserved;
0233     __u8   Data[];
0234 } __packed;
0235 
0236 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
0237 struct smb3_blob_data {
0238     __le16 BlobSize;
0239     __u8   BlobData[];
0240 } __packed;
0241 
0242 /* Valid values for Attr */
0243 #define SE_GROUP_MANDATORY      0x00000001
0244 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002
0245 #define SE_GROUP_ENABLED        0x00000004
0246 #define SE_GROUP_OWNER          0x00000008
0247 #define SE_GROUP_USE_FOR_DENY_ONLY  0x00000010
0248 #define SE_GROUP_INTEGRITY      0x00000020
0249 #define SE_GROUP_INTEGRITY_ENABLED  0x00000040
0250 #define SE_GROUP_RESOURCE       0x20000000
0251 #define SE_GROUP_LOGON_ID       0xC0000000
0252 
0253 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
0254 
0255 struct sid_array_data {
0256     __le16 SidAttrCount;
0257     /* SidAttrList - array of sid_attr_data structs */
0258 } __packed;
0259 
0260 struct luid_attr_data {
0261 
0262 } __packed;
0263 
0264 /*
0265  * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
0266  * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
0267  */
0268 
0269 struct privilege_array_data {
0270     __le16 PrivilegeCount;
0271     /* array of privilege_data structs */
0272 } __packed;
0273 
0274 struct remoted_identity_tcon_context {
0275     __le16 TicketType; /* must be 0x0001 */
0276     __le16 TicketSize; /* total size of this struct */
0277     __le16 User; /* offset to SID_ATTR_DATA struct with user info */
0278     __le16 UserName; /* offset to null terminated Unicode username string */
0279     __le16 Domain; /* offset to null terminated Unicode domain name */
0280     __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
0281     __le16 RestrictedGroups; /* similar to above */
0282     __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
0283     __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
0284     __le16 Owner; /* offset to BLOB_DATA struct */
0285     __le16 DefaultDacl; /* offset to BLOB_DATA struct */
0286     __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
0287     __le16 UserClaims; /* offset to BLOB_DATA struct */
0288     __le16 DeviceClaims; /* offset to BLOB_DATA struct */
0289     __u8   TicketInfo[]; /* variable length buf - remoted identity data */
0290 } __packed;
0291 
0292 struct smb2_tree_connect_req_extension {
0293     __le32 TreeConnectContextOffset;
0294     __le16 TreeConnectContextCount;
0295     __u8  Reserved[10];
0296     __u8  PathName[]; /* variable sized array */
0297     /* followed by array of TreeConnectContexts */
0298 } __packed;
0299 
0300 /* Flags/Reserved for SMB3.1.1 */
0301 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
0302 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
0303 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
0304 
0305 struct smb2_tree_connect_req {
0306     struct smb2_hdr hdr;
0307     __le16 StructureSize;   /* Must be 9 */
0308     __le16 Flags;       /* Flags in SMB3.1.1 */
0309     __le16 PathOffset;
0310     __le16 PathLength;
0311     __u8   Buffer[1];   /* variable length */
0312 } __packed;
0313 
0314 /* Possible ShareType values */
0315 #define SMB2_SHARE_TYPE_DISK    0x01
0316 #define SMB2_SHARE_TYPE_PIPE    0x02
0317 #define SMB2_SHARE_TYPE_PRINT   0x03
0318 
0319 /*
0320  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
0321  * must be set (any of the remaining, SHI1005, flags may be set individually
0322  * or in combination.
0323  */
0324 #define SMB2_SHAREFLAG_MANUAL_CACHING           0x00000000
0325 #define SMB2_SHAREFLAG_AUTO_CACHING         0x00000010
0326 #define SMB2_SHAREFLAG_VDO_CACHING          0x00000020
0327 #define SMB2_SHAREFLAG_NO_CACHING           0x00000030
0328 #define SHI1005_FLAGS_DFS               0x00000001
0329 #define SHI1005_FLAGS_DFS_ROOT              0x00000002
0330 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS      0x00000100
0331 #define SHI1005_FLAGS_FORCE_SHARED_DELETE       0x00000200
0332 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING       0x00000400
0333 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM   0x00000800
0334 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK      0x00001000
0335 #define SHI1005_FLAGS_ENABLE_HASH_V1            0x00002000
0336 #define SHI1005_FLAGS_ENABLE_HASH_V2            0x00004000
0337 #define SHI1005_FLAGS_ENCRYPT_DATA          0x00008000
0338 #define SMB2_SHAREFLAG_IDENTITY_REMOTING        0x00040000 /* 3.1.1 */
0339 #define SMB2_SHAREFLAG_COMPRESS_DATA            0x00100000 /* 3.1.1 */
0340 #define SHI1005_FLAGS_ALL               0x0014FF33
0341 
0342 /* Possible share capabilities */
0343 #define SMB2_SHARE_CAP_DFS  cpu_to_le32(0x00000008) /* all dialects */
0344 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
0345 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
0346 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
0347 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
0348 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
0349 
0350 struct smb2_tree_connect_rsp {
0351     struct smb2_hdr hdr;
0352     __le16 StructureSize;   /* Must be 16 */
0353     __u8   ShareType;   /* see below */
0354     __u8   Reserved;
0355     __le32 ShareFlags;  /* see below */
0356     __le32 Capabilities;    /* see below */
0357     __le32 MaximalAccess;
0358 } __packed;
0359 
0360 struct smb2_tree_disconnect_req {
0361     struct smb2_hdr hdr;
0362     __le16 StructureSize;   /* Must be 4 */
0363     __le16 Reserved;
0364 } __packed;
0365 
0366 struct smb2_tree_disconnect_rsp {
0367     struct smb2_hdr hdr;
0368     __le16 StructureSize;   /* Must be 4 */
0369     __le16 Reserved;
0370 } __packed;
0371 
0372 
0373 /*
0374  * SMB2_NEGOTIATE_PROTOCOL  See MS-SMB2 section 2.2.3
0375  */
0376 /* SecurityMode flags */
0377 #define SMB2_NEGOTIATE_SIGNING_ENABLED     0x0001
0378 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE  cpu_to_le16(0x0001)
0379 #define SMB2_NEGOTIATE_SIGNING_REQUIRED    0x0002
0380 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE cpu_to_le16(0x0002)
0381 #define SMB2_SEC_MODE_FLAGS_ALL            0x0003
0382 
0383 /* Capabilities flags */
0384 #define SMB2_GLOBAL_CAP_DFS     0x00000001
0385 #define SMB2_GLOBAL_CAP_LEASING     0x00000002 /* Resp only New to SMB2.1 */
0386 #define SMB2_GLOBAL_CAP_LARGE_MTU   0X00000004 /* Resp only New to SMB2.1 */
0387 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
0388 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
0389 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
0390 #define SMB2_GLOBAL_CAP_ENCRYPTION  0x00000040 /* New to SMB3 */
0391 /* Internal types */
0392 #define SMB2_NT_FIND            0x00100000
0393 #define SMB2_LARGE_FILES        0x00200000
0394 
0395 #define SMB2_CLIENT_GUID_SIZE       16
0396 #define SMB2_CREATE_GUID_SIZE       16
0397 
0398 /* Dialects */
0399 #define SMB10_PROT_ID  0x0000 /* local only, not sent on wire w/CIFS negprot */
0400 #define SMB20_PROT_ID  0x0202
0401 #define SMB21_PROT_ID  0x0210
0402 #define SMB2X_PROT_ID  0x02FF
0403 #define SMB30_PROT_ID  0x0300
0404 #define SMB302_PROT_ID 0x0302
0405 #define SMB311_PROT_ID 0x0311
0406 #define BAD_PROT_ID    0xFFFF
0407 
0408 #define SMB311_SALT_SIZE            32
0409 /* Hash Algorithm Types */
0410 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
0411 #define SMB2_PREAUTH_HASH_SIZE 64
0412 
0413 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
0414 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
0415 #define SMB2_ENCRYPTION_CAPABILITIES        cpu_to_le16(2)
0416 #define SMB2_COMPRESSION_CAPABILITIES       cpu_to_le16(3)
0417 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID   cpu_to_le16(5)
0418 #define SMB2_TRANSPORT_CAPABILITIES     cpu_to_le16(6)
0419 #define SMB2_RDMA_TRANSFORM_CAPABILITIES    cpu_to_le16(7)
0420 #define SMB2_SIGNING_CAPABILITIES       cpu_to_le16(8)
0421 #define SMB2_POSIX_EXTENSIONS_AVAILABLE     cpu_to_le16(0x100)
0422 
0423 struct smb2_neg_context {
0424     __le16  ContextType;
0425     __le16  DataLength;
0426     __le32  Reserved;
0427     /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */
0428 } __packed;
0429 
0430 /*
0431  * SaltLength that the server send can be zero, so the only three required
0432  * fields (all __le16) end up six bytes total, so the minimum context data len
0433  * in the response is six bytes which accounts for
0434  *
0435  *      HashAlgorithmCount, SaltLength, and 1 HashAlgorithm.
0436  */
0437 #define MIN_PREAUTH_CTXT_DATA_LEN 6
0438 
0439 struct smb2_preauth_neg_context {
0440     __le16  ContextType; /* 1 */
0441     __le16  DataLength;
0442     __le32  Reserved;
0443     __le16  HashAlgorithmCount; /* 1 */
0444     __le16  SaltLength;
0445     __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
0446     __u8    Salt[SMB311_SALT_SIZE];
0447 } __packed;
0448 
0449 /* Encryption Algorithms Ciphers */
0450 #define SMB2_ENCRYPTION_AES128_CCM  cpu_to_le16(0x0001)
0451 #define SMB2_ENCRYPTION_AES128_GCM  cpu_to_le16(0x0002)
0452 #define SMB2_ENCRYPTION_AES256_CCM      cpu_to_le16(0x0003)
0453 #define SMB2_ENCRYPTION_AES256_GCM      cpu_to_le16(0x0004)
0454 
0455 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
0456 #define MIN_ENCRYPT_CTXT_DATA_LEN   4
0457 struct smb2_encryption_neg_context {
0458     __le16  ContextType; /* 2 */
0459     __le16  DataLength;
0460     __le32  Reserved;
0461     /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */
0462     __le16  CipherCount; /* AES128-GCM and AES128-CCM by default */
0463     __le16  Ciphers[];
0464 } __packed;
0465 
0466 /* See MS-SMB2 2.2.3.1.3 */
0467 #define SMB3_COMPRESS_NONE  cpu_to_le16(0x0000)
0468 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)
0469 #define SMB3_COMPRESS_LZ77  cpu_to_le16(0x0002)
0470 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
0471 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
0472 #define SMB3_COMPRESS_PATTERN   cpu_to_le16(0x0004) /* Pattern_V1 */
0473 
0474 /* Compression Flags */
0475 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE     cpu_to_le32(0x00000000)
0476 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED  cpu_to_le32(0x00000001)
0477 
0478 struct smb2_compression_capabilities_context {
0479     __le16  ContextType; /* 3 */
0480     __le16  DataLength;
0481     __le32  Reserved;
0482     __le16  CompressionAlgorithmCount;
0483     __le16  Padding;
0484     __le32  Flags;
0485     __le16  CompressionAlgorithms[3];
0486     __u16   Pad;  /* Some servers require pad to DataLen multiple of 8 */
0487     /* Check if pad needed */
0488 } __packed;
0489 
0490 /*
0491  * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
0492  * Its struct simply contains NetName, an array of Unicode characters
0493  */
0494 struct smb2_netname_neg_context {
0495     __le16  ContextType; /* 5 */
0496     __le16  DataLength;
0497     __le32  Reserved;
0498     __le16  NetName[]; /* hostname of target converted to UCS-2 */
0499 } __packed;
0500 
0501 /*
0502  * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5
0503  * and 2.2.4.1.5
0504  */
0505 
0506 /* Flags */
0507 #define SMB2_ACCEPT_TRANSPORT_LEVEL_SECURITY    0x00000001
0508 
0509 struct smb2_transport_capabilities_context {
0510     __le16  ContextType; /* 6 */
0511     __le16  DataLength;
0512     __u32   Reserved;
0513     __le32  Flags;
0514     __u32   Pad;
0515 } __packed;
0516 
0517 /*
0518  * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6
0519  * and 2.2.4.1.6
0520  */
0521 
0522 /* RDMA Transform IDs */
0523 #define SMB2_RDMA_TRANSFORM_NONE    0x0000
0524 #define SMB2_RDMA_TRANSFORM_ENCRYPTION  0x0001
0525 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002
0526 
0527 struct smb2_rdma_transform_capabilities_context {
0528     __le16  ContextType; /* 7 */
0529     __le16  DataLength;
0530     __u32   Reserved;
0531     __le16  TransformCount;
0532     __u16   Reserved1;
0533     __u32   Reserved2;
0534     __le16  RDMATransformIds[];
0535 } __packed;
0536 
0537 /*
0538  * For signing capabilities context see MS-SMB2 2.2.3.1.7
0539  * and 2.2.4.1.7
0540  */
0541 
0542 /* Signing algorithms */
0543 #define SIGNING_ALG_HMAC_SHA256    0
0544 #define SIGNING_ALG_HMAC_SHA256_LE cpu_to_le16(0)
0545 #define SIGNING_ALG_AES_CMAC       1
0546 #define SIGNING_ALG_AES_CMAC_LE    cpu_to_le16(1)
0547 #define SIGNING_ALG_AES_GMAC       2
0548 #define SIGNING_ALG_AES_GMAC_LE    cpu_to_le16(2)
0549 
0550 struct smb2_signing_capabilities {
0551     __le16  ContextType; /* 8 */
0552     __le16  DataLength;
0553     __le32  Reserved;
0554     __le16  SigningAlgorithmCount;
0555     __le16  SigningAlgorithms[];
0556     /*  Followed by padding to 8 byte boundary (required by some servers) */
0557 } __packed;
0558 
0559 #define POSIX_CTXT_DATA_LEN 16
0560 struct smb2_posix_neg_context {
0561     __le16  ContextType; /* 0x100 */
0562     __le16  DataLength;
0563     __le32  Reserved;
0564     __u8    Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
0565 } __packed;
0566 
0567 struct smb2_negotiate_req {
0568     struct smb2_hdr hdr;
0569     __le16 StructureSize; /* Must be 36 */
0570     __le16 DialectCount;
0571     __le16 SecurityMode;
0572     __le16 Reserved;    /* MBZ */
0573     __le32 Capabilities;
0574     __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
0575     /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
0576     __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
0577     __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
0578     __le16 Reserved2;
0579     __le16 Dialects[];
0580 } __packed;
0581 
0582 struct smb2_negotiate_rsp {
0583     struct smb2_hdr hdr;
0584     __le16 StructureSize;   /* Must be 65 */
0585     __le16 SecurityMode;
0586     __le16 DialectRevision;
0587     __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
0588     __u8   ServerGUID[16];
0589     __le32 Capabilities;
0590     __le32 MaxTransactSize;
0591     __le32 MaxReadSize;
0592     __le32 MaxWriteSize;
0593     __le64 SystemTime;  /* MBZ */
0594     __le64 ServerStartTime;
0595     __le16 SecurityBufferOffset;
0596     __le16 SecurityBufferLength;
0597     __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
0598     __u8   Buffer[1];   /* variable length GSS security buffer */
0599 } __packed;
0600 
0601 
0602 /*
0603  * SMB2_SESSION_SETUP  See MS-SMB2 section 2.2.5
0604  */
0605 /* Flags */
0606 #define SMB2_SESSION_REQ_FLAG_BINDING       0x01
0607 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA  0x04
0608 
0609 struct smb2_sess_setup_req {
0610     struct smb2_hdr hdr;
0611     __le16 StructureSize; /* Must be 25 */
0612     __u8   Flags;
0613     __u8   SecurityMode;
0614     __le32 Capabilities;
0615     __le32 Channel;
0616     __le16 SecurityBufferOffset;
0617     __le16 SecurityBufferLength;
0618     __le64 PreviousSessionId;
0619     __u8   Buffer[1];   /* variable length GSS security buffer */
0620 } __packed;
0621 
0622 /* Currently defined SessionFlags */
0623 #define SMB2_SESSION_FLAG_IS_GUEST        0x0001
0624 #define SMB2_SESSION_FLAG_IS_GUEST_LE     cpu_to_le16(0x0001)
0625 #define SMB2_SESSION_FLAG_IS_NULL         0x0002
0626 #define SMB2_SESSION_FLAG_IS_NULL_LE      cpu_to_le16(0x0002)
0627 #define SMB2_SESSION_FLAG_ENCRYPT_DATA    0x0004
0628 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004)
0629 
0630 struct smb2_sess_setup_rsp {
0631     struct smb2_hdr hdr;
0632     __le16 StructureSize; /* Must be 9 */
0633     __le16 SessionFlags;
0634     __le16 SecurityBufferOffset;
0635     __le16 SecurityBufferLength;
0636     __u8   Buffer[1];   /* variable length GSS security buffer */
0637 } __packed;
0638 
0639 
0640 /*
0641  * SMB2_LOGOFF  See MS-SMB2 section 2.2.7
0642  */
0643 struct smb2_logoff_req {
0644     struct smb2_hdr hdr;
0645     __le16 StructureSize;   /* Must be 4 */
0646     __le16 Reserved;
0647 } __packed;
0648 
0649 struct smb2_logoff_rsp {
0650     struct smb2_hdr hdr;
0651     __le16 StructureSize;   /* Must be 4 */
0652     __le16 Reserved;
0653 } __packed;
0654 
0655 
0656 /*
0657  * SMB2_CLOSE  See MS-SMB2 section 2.2.15
0658  */
0659 /* Currently defined values for close flags */
0660 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB    cpu_to_le16(0x0001)
0661 struct smb2_close_req {
0662     struct smb2_hdr hdr;
0663     __le16 StructureSize;   /* Must be 24 */
0664     __le16 Flags;
0665     __le32 Reserved;
0666     __u64  PersistentFileId; /* opaque endianness */
0667     __u64  VolatileFileId; /* opaque endianness */
0668 } __packed;
0669 
0670 /*
0671  * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
0672  */
0673 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
0674 
0675 struct smb2_close_rsp {
0676     struct smb2_hdr hdr;
0677     __le16 StructureSize; /* 60 */
0678     __le16 Flags;
0679     __le32 Reserved;
0680     __le64 CreationTime;
0681     __le64 LastAccessTime;
0682     __le64 LastWriteTime;
0683     __le64 ChangeTime;
0684     __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
0685     __le64 EndOfFile;
0686     __le32 Attributes;
0687 } __packed;
0688 
0689 
0690 /*
0691  * SMB2_READ  See MS-SMB2 section 2.2.19
0692  */
0693 /* For read request Flags field below, following flag is defined for SMB3.02 */
0694 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
0695 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
0696 
0697 /* Channel field for read and write: exactly one of following flags can be set*/
0698 #define SMB2_CHANNEL_NONE               cpu_to_le32(0x00000000)
0699 #define SMB2_CHANNEL_RDMA_V1            cpu_to_le32(0x00000001)
0700 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002)
0701 #define SMB2_CHANNEL_RDMA_TRANSFORM     cpu_to_le32(0x00000003)
0702 
0703 /* SMB2 read request without RFC1001 length at the beginning */
0704 struct smb2_read_req {
0705     struct smb2_hdr hdr;
0706     __le16 StructureSize; /* Must be 49 */
0707     __u8   Padding; /* offset from start of SMB2 header to place read */
0708     __u8   Flags; /* MBZ unless SMB3.02 or later */
0709     __le32 Length;
0710     __le64 Offset;
0711     __u64  PersistentFileId;
0712     __u64  VolatileFileId;
0713     __le32 MinimumCount;
0714     __le32 Channel; /* MBZ except for SMB3 or later */
0715     __le32 RemainingBytes;
0716     __le16 ReadChannelInfoOffset;
0717     __le16 ReadChannelInfoLength;
0718     __u8   Buffer[1];
0719 } __packed;
0720 
0721 /* Read flags */
0722 #define SMB2_READFLAG_RESPONSE_NONE            cpu_to_le32(0x00000000)
0723 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM  cpu_to_le32(0x00000001)
0724 
0725 struct smb2_read_rsp {
0726     struct smb2_hdr hdr;
0727     __le16 StructureSize; /* Must be 17 */
0728     __u8   DataOffset;
0729     __u8   Reserved;
0730     __le32 DataLength;
0731     __le32 DataRemaining;
0732     __le32 Flags;
0733     __u8   Buffer[1];
0734 } __packed;
0735 
0736 
0737 /*
0738  * SMB2_WRITE  See MS-SMB2 section 2.2.21
0739  */
0740 /* For write request Flags field below the following flags are defined: */
0741 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001  /* SMB2.1 or later */
0742 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002  /* SMB3.02 or later */
0743 
0744 struct smb2_write_req {
0745     struct smb2_hdr hdr;
0746     __le16 StructureSize; /* Must be 49 */
0747     __le16 DataOffset; /* offset from start of SMB2 header to write data */
0748     __le32 Length;
0749     __le64 Offset;
0750     __u64  PersistentFileId; /* opaque endianness */
0751     __u64  VolatileFileId; /* opaque endianness */
0752     __le32 Channel; /* MBZ unless SMB3.02 or later */
0753     __le32 RemainingBytes;
0754     __le16 WriteChannelInfoOffset;
0755     __le16 WriteChannelInfoLength;
0756     __le32 Flags;
0757     __u8   Buffer[1];
0758 } __packed;
0759 
0760 struct smb2_write_rsp {
0761     struct smb2_hdr hdr;
0762     __le16 StructureSize; /* Must be 17 */
0763     __u8   DataOffset;
0764     __u8   Reserved;
0765     __le32 DataLength;
0766     __le32 DataRemaining;
0767     __u32  Reserved2;
0768     __u8   Buffer[1];
0769 } __packed;
0770 
0771 
0772 /*
0773  * SMB2_FLUSH  See MS-SMB2 section 2.2.17
0774  */
0775 struct smb2_flush_req {
0776     struct smb2_hdr hdr;
0777     __le16 StructureSize;   /* Must be 24 */
0778     __le16 Reserved1;
0779     __le32 Reserved2;
0780     __u64  PersistentFileId;
0781     __u64  VolatileFileId;
0782 } __packed;
0783 
0784 struct smb2_flush_rsp {
0785     struct smb2_hdr hdr;
0786     __le16 StructureSize;
0787     __le16 Reserved;
0788 } __packed;
0789 
0790 #define SMB2_LOCKFLAG_SHARED        0x0001
0791 #define SMB2_LOCKFLAG_EXCLUSIVE     0x0002
0792 #define SMB2_LOCKFLAG_UNLOCK        0x0004
0793 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
0794 #define SMB2_LOCKFLAG_MASK      0x0007
0795 
0796 struct smb2_lock_element {
0797     __le64 Offset;
0798     __le64 Length;
0799     __le32 Flags;
0800     __le32 Reserved;
0801 } __packed;
0802 
0803 struct smb2_lock_req {
0804     struct smb2_hdr hdr;
0805     __le16 StructureSize; /* Must be 48 */
0806     __le16 LockCount;
0807     /*
0808      * The least significant four bits are the index, the other 28 bits are
0809      * the lock sequence number (0 to 64). See MS-SMB2 2.2.26
0810      */
0811     __le32 LockSequenceNumber;
0812     __u64  PersistentFileId;
0813     __u64  VolatileFileId;
0814     /* Followed by at least one */
0815     struct smb2_lock_element locks[1];
0816 } __packed;
0817 
0818 struct smb2_lock_rsp {
0819     struct smb2_hdr hdr;
0820     __le16 StructureSize; /* Must be 4 */
0821     __le16 Reserved;
0822 } __packed;
0823 
0824 struct smb2_echo_req {
0825     struct smb2_hdr hdr;
0826     __le16 StructureSize;   /* Must be 4 */
0827     __u16  Reserved;
0828 } __packed;
0829 
0830 struct smb2_echo_rsp {
0831     struct smb2_hdr hdr;
0832     __le16 StructureSize;   /* Must be 4 */
0833     __u16  Reserved;
0834 } __packed;
0835 
0836 /*
0837  * Valid FileInformation classes for query directory
0838  *
0839  * Note that these are a subset of the (file) QUERY_INFO levels defined
0840  * later in this file (but since QUERY_DIRECTORY uses equivalent numbers
0841  * we do not redefine them here)
0842  *
0843  * FileDirectoryInfomation      0x01
0844  * FileFullDirectoryInformation     0x02
0845  * FileIdFullDirectoryInformation   0x26
0846  * FileBothDirectoryInformation     0x03
0847  * FileIdBothDirectoryInformation   0x25
0848  * FileNamesInformation         0x0C
0849  * FileIdExtdDirectoryInformation   0x3C
0850  */
0851 
0852 /* search (query_directory) Flags field */
0853 #define SMB2_RESTART_SCANS      0x01
0854 #define SMB2_RETURN_SINGLE_ENTRY    0x02
0855 #define SMB2_INDEX_SPECIFIED        0x04
0856 #define SMB2_REOPEN         0x10
0857 
0858 struct smb2_query_directory_req {
0859     struct smb2_hdr hdr;
0860     __le16 StructureSize; /* Must be 33 */
0861     __u8   FileInformationClass;
0862     __u8   Flags;
0863     __le32 FileIndex;
0864     __u64  PersistentFileId;
0865     __u64  VolatileFileId;
0866     __le16 FileNameOffset;
0867     __le16 FileNameLength;
0868     __le32 OutputBufferLength;
0869     __u8   Buffer[1];
0870 } __packed;
0871 
0872 struct smb2_query_directory_rsp {
0873     struct smb2_hdr hdr;
0874     __le16 StructureSize; /* Must be 9 */
0875     __le16 OutputBufferOffset;
0876     __le32 OutputBufferLength;
0877     __u8   Buffer[1];
0878 } __packed;
0879 
0880 /*
0881  * Maximum number of iovs we need for a set-info request.
0882  * The largest one is rename/hardlink
0883  * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
0884  * [1] : path
0885  * [2] : compound padding
0886  */
0887 #define SMB2_SET_INFO_IOV_SIZE 3
0888 
0889 struct smb2_set_info_req {
0890     struct smb2_hdr hdr;
0891     __le16 StructureSize; /* Must be 33 */
0892     __u8   InfoType;
0893     __u8   FileInfoClass;
0894     __le32 BufferLength;
0895     __le16 BufferOffset;
0896     __u16  Reserved;
0897     __le32 AdditionalInformation;
0898     __u64  PersistentFileId;
0899     __u64  VolatileFileId;
0900     __u8   Buffer[1];
0901 } __packed;
0902 
0903 struct smb2_set_info_rsp {
0904     struct smb2_hdr hdr;
0905     __le16 StructureSize; /* Must be 2 */
0906 } __packed;
0907 
0908 /*
0909  * SMB2_NOTIFY  See MS-SMB2 section 2.2.35
0910  */
0911 /* notify flags */
0912 #define SMB2_WATCH_TREE         0x0001
0913 
0914 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
0915 #define FILE_NOTIFY_CHANGE_FILE_NAME        0x00000001
0916 #define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
0917 #define FILE_NOTIFY_CHANGE_ATTRIBUTES       0x00000004
0918 #define FILE_NOTIFY_CHANGE_SIZE         0x00000008
0919 #define FILE_NOTIFY_CHANGE_LAST_WRITE       0x00000010
0920 #define FILE_NOTIFY_CHANGE_LAST_ACCESS      0x00000020
0921 #define FILE_NOTIFY_CHANGE_CREATION     0x00000040
0922 #define FILE_NOTIFY_CHANGE_EA           0x00000080
0923 #define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
0924 #define FILE_NOTIFY_CHANGE_STREAM_NAME      0x00000200
0925 #define FILE_NOTIFY_CHANGE_STREAM_SIZE      0x00000400
0926 #define FILE_NOTIFY_CHANGE_STREAM_WRITE     0x00000800
0927 
0928 /* SMB2 Notify Action Flags */
0929 #define FILE_ACTION_ADDED                       0x00000001
0930 #define FILE_ACTION_REMOVED                     0x00000002
0931 #define FILE_ACTION_MODIFIED                    0x00000003
0932 #define FILE_ACTION_RENAMED_OLD_NAME            0x00000004
0933 #define FILE_ACTION_RENAMED_NEW_NAME            0x00000005
0934 #define FILE_ACTION_ADDED_STREAM                0x00000006
0935 #define FILE_ACTION_REMOVED_STREAM              0x00000007
0936 #define FILE_ACTION_MODIFIED_STREAM             0x00000008
0937 #define FILE_ACTION_REMOVED_BY_DELETE           0x00000009
0938 
0939 struct smb2_change_notify_req {
0940     struct smb2_hdr hdr;
0941     __le16  StructureSize;
0942     __le16  Flags;
0943     __le32  OutputBufferLength;
0944     __u64   PersistentFileId; /* opaque endianness */
0945     __u64   VolatileFileId; /* opaque endianness */
0946     __le32  CompletionFilter;
0947     __u32   Reserved;
0948 } __packed;
0949 
0950 struct smb2_change_notify_rsp {
0951     struct smb2_hdr hdr;
0952     __le16  StructureSize;  /* Must be 9 */
0953     __le16  OutputBufferOffset;
0954     __le32  OutputBufferLength;
0955     __u8    Buffer[1]; /* array of file notify structs */
0956 } __packed;
0957 
0958 
0959 /*
0960  * SMB2_CREATE  See MS-SMB2 section 2.2.13
0961  */
0962 /* Oplock levels */
0963 #define SMB2_OPLOCK_LEVEL_NONE      0x00
0964 #define SMB2_OPLOCK_LEVEL_II        0x01
0965 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
0966 #define SMB2_OPLOCK_LEVEL_BATCH     0x09
0967 #define SMB2_OPLOCK_LEVEL_LEASE     0xFF
0968 /* Non-spec internal type */
0969 #define SMB2_OPLOCK_LEVEL_NOCHANGE  0x99
0970 
0971 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */
0972 #define IL_ANONYMOUS        cpu_to_le32(0x00000000)
0973 #define IL_IDENTIFICATION   cpu_to_le32(0x00000001)
0974 #define IL_IMPERSONATION    cpu_to_le32(0x00000002)
0975 #define IL_DELEGATE     cpu_to_le32(0x00000003)
0976 
0977 /* File Attrubutes */
0978 #define FILE_ATTRIBUTE_READONLY         0x00000001
0979 #define FILE_ATTRIBUTE_HIDDEN           0x00000002
0980 #define FILE_ATTRIBUTE_SYSTEM           0x00000004
0981 #define FILE_ATTRIBUTE_DIRECTORY        0x00000010
0982 #define FILE_ATTRIBUTE_ARCHIVE          0x00000020
0983 #define FILE_ATTRIBUTE_NORMAL           0x00000080
0984 #define FILE_ATTRIBUTE_TEMPORARY        0x00000100
0985 #define FILE_ATTRIBUTE_SPARSE_FILE      0x00000200
0986 #define FILE_ATTRIBUTE_REPARSE_POINT        0x00000400
0987 #define FILE_ATTRIBUTE_COMPRESSED       0x00000800
0988 #define FILE_ATTRIBUTE_OFFLINE          0x00001000
0989 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED  0x00002000
0990 #define FILE_ATTRIBUTE_ENCRYPTED        0x00004000
0991 #define FILE_ATTRIBUTE_INTEGRITY_STREAM     0x00008000
0992 #define FILE_ATTRIBUTE_NO_SCRUB_DATA        0x00020000
0993 #define FILE_ATTRIBUTE__MASK            0x00007FB7
0994 
0995 #define FILE_ATTRIBUTE_READONLY_LE              cpu_to_le32(0x00000001)
0996 #define FILE_ATTRIBUTE_HIDDEN_LE        cpu_to_le32(0x00000002)
0997 #define FILE_ATTRIBUTE_SYSTEM_LE        cpu_to_le32(0x00000004)
0998 #define FILE_ATTRIBUTE_DIRECTORY_LE     cpu_to_le32(0x00000010)
0999 #define FILE_ATTRIBUTE_ARCHIVE_LE       cpu_to_le32(0x00000020)
1000 #define FILE_ATTRIBUTE_NORMAL_LE        cpu_to_le32(0x00000080)
1001 #define FILE_ATTRIBUTE_TEMPORARY_LE     cpu_to_le32(0x00000100)
1002 #define FILE_ATTRIBUTE_SPARSE_FILE_LE       cpu_to_le32(0x00000200)
1003 #define FILE_ATTRIBUTE_REPARSE_POINT_LE     cpu_to_le32(0x00000400)
1004 #define FILE_ATTRIBUTE_COMPRESSED_LE        cpu_to_le32(0x00000800)
1005 #define FILE_ATTRIBUTE_OFFLINE_LE       cpu_to_le32(0x00001000)
1006 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE   cpu_to_le32(0x00002000)
1007 #define FILE_ATTRIBUTE_ENCRYPTED_LE     cpu_to_le32(0x00004000)
1008 #define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE  cpu_to_le32(0x00008000)
1009 #define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE     cpu_to_le32(0x00020000)
1010 #define FILE_ATTRIBUTE_MASK_LE          cpu_to_le32(0x00007FB7)
1011 
1012 /* Desired Access Flags */
1013 #define FILE_READ_DATA_LE       cpu_to_le32(0x00000001)
1014 #define FILE_LIST_DIRECTORY_LE      cpu_to_le32(0x00000001)
1015 #define FILE_WRITE_DATA_LE      cpu_to_le32(0x00000002)
1016 #define FILE_APPEND_DATA_LE     cpu_to_le32(0x00000004)
1017 #define FILE_ADD_SUBDIRECTORY_LE    cpu_to_le32(0x00000004)
1018 #define FILE_READ_EA_LE         cpu_to_le32(0x00000008)
1019 #define FILE_WRITE_EA_LE        cpu_to_le32(0x00000010)
1020 #define FILE_EXECUTE_LE         cpu_to_le32(0x00000020)
1021 #define FILE_DELETE_CHILD_LE        cpu_to_le32(0x00000040)
1022 #define FILE_READ_ATTRIBUTES_LE     cpu_to_le32(0x00000080)
1023 #define FILE_WRITE_ATTRIBUTES_LE    cpu_to_le32(0x00000100)
1024 #define FILE_DELETE_LE          cpu_to_le32(0x00010000)
1025 #define FILE_READ_CONTROL_LE        cpu_to_le32(0x00020000)
1026 #define FILE_WRITE_DAC_LE       cpu_to_le32(0x00040000)
1027 #define FILE_WRITE_OWNER_LE     cpu_to_le32(0x00080000)
1028 #define FILE_SYNCHRONIZE_LE     cpu_to_le32(0x00100000)
1029 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
1030 #define FILE_MAXIMAL_ACCESS_LE      cpu_to_le32(0x02000000)
1031 #define FILE_GENERIC_ALL_LE     cpu_to_le32(0x10000000)
1032 #define FILE_GENERIC_EXECUTE_LE     cpu_to_le32(0x20000000)
1033 #define FILE_GENERIC_WRITE_LE       cpu_to_le32(0x40000000)
1034 #define FILE_GENERIC_READ_LE        cpu_to_le32(0x80000000)
1035 #define DESIRED_ACCESS_MASK             cpu_to_le32(0xF21F01FF)
1036 
1037 
1038 #define FILE_READ_DESIRED_ACCESS_LE     (FILE_READ_DATA_LE        | \
1039                      FILE_READ_EA_LE          |     \
1040                      FILE_GENERIC_READ_LE)
1041 #define FILE_WRITE_DESIRE_ACCESS_LE     (FILE_WRITE_DATA_LE       | \
1042                      FILE_APPEND_DATA_LE      | \
1043                      FILE_WRITE_EA_LE         | \
1044                      FILE_WRITE_ATTRIBUTES_LE | \
1045                      FILE_GENERIC_WRITE_LE)
1046 
1047 /* ShareAccess Flags */
1048 #define FILE_SHARE_READ_LE      cpu_to_le32(0x00000001)
1049 #define FILE_SHARE_WRITE_LE     cpu_to_le32(0x00000002)
1050 #define FILE_SHARE_DELETE_LE        cpu_to_le32(0x00000004)
1051 #define FILE_SHARE_ALL_LE       cpu_to_le32(0x00000007)
1052 
1053 /* CreateDisposition Flags */
1054 #define FILE_SUPERSEDE_LE       cpu_to_le32(0x00000000)
1055 #define FILE_OPEN_LE            cpu_to_le32(0x00000001)
1056 #define FILE_CREATE_LE          cpu_to_le32(0x00000002)
1057 #define FILE_OPEN_IF_LE         cpu_to_le32(0x00000003)
1058 #define FILE_OVERWRITE_LE       cpu_to_le32(0x00000004)
1059 #define FILE_OVERWRITE_IF_LE        cpu_to_le32(0x00000005)
1060 #define FILE_CREATE_MASK_LE             cpu_to_le32(0x00000007)
1061 
1062 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \
1063             | FILE_READ_ATTRIBUTES)
1064 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
1065             | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)
1066 #define FILE_EXEC_RIGHTS (FILE_EXECUTE)
1067 
1068 /* CreateOptions Flags */
1069 #define FILE_DIRECTORY_FILE_LE      cpu_to_le32(0x00000001)
1070 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
1071 #define FILE_WRITE_THROUGH_LE       cpu_to_le32(0x00000002)
1072 #define FILE_SEQUENTIAL_ONLY_LE     cpu_to_le32(0x00000004)
1073 #define FILE_NO_INTERMEDIATE_BUFFERING_LE cpu_to_le32(0x00000008)
1074 #define FILE_NON_DIRECTORY_FILE_LE  cpu_to_le32(0x00000040)
1075 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
1076 #define FILE_NO_EA_KNOWLEDGE_LE     cpu_to_le32(0x00000200)
1077 #define FILE_RANDOM_ACCESS_LE       cpu_to_le32(0x00000800)
1078 #define FILE_DELETE_ON_CLOSE_LE     cpu_to_le32(0x00001000)
1079 #define FILE_OPEN_BY_FILE_ID_LE     cpu_to_le32(0x00002000)
1080 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
1081 #define FILE_NO_COMPRESSION_LE      cpu_to_le32(0x00008000)
1082 #define FILE_OPEN_REPARSE_POINT_LE  cpu_to_le32(0x00200000)
1083 #define FILE_OPEN_NO_RECALL_LE      cpu_to_le32(0x00400000)
1084 #define CREATE_OPTIONS_MASK_LE          cpu_to_le32(0x00FFFFFF)
1085 
1086 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
1087             | FILE_READ_ATTRIBUTES_LE)
1088 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
1089             | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
1090 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
1091 
1092 /* Create Context Values */
1093 #define SMB2_CREATE_EA_BUFFER           "ExtA" /* extended attributes */
1094 #define SMB2_CREATE_SD_BUFFER           "SecD" /* security descriptor */
1095 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST  "DHnQ"
1096 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
1097 #define SMB2_CREATE_ALLOCATION_SIZE     "AISi"
1098 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
1099 #define SMB2_CREATE_TIMEWARP_REQUEST        "TWrp"
1100 #define SMB2_CREATE_QUERY_ON_DISK_ID        "QFid"
1101 #define SMB2_CREATE_REQUEST_LEASE       "RqLs"
1102 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
1103 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
1104 #define SMB2_CREATE_TAG_POSIX          "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
1105 
1106 /* Flag (SMB3 open response) values */
1107 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
1108 
1109 struct create_context {
1110     __le32 Next;
1111     __le16 NameOffset;
1112     __le16 NameLength;
1113     __le16 Reserved;
1114     __le16 DataOffset;
1115     __le32 DataLength;
1116     __u8 Buffer[];
1117 } __packed;
1118 
1119 struct smb2_create_req {
1120     struct smb2_hdr hdr;
1121     __le16 StructureSize;   /* Must be 57 */
1122     __u8   SecurityFlags;
1123     __u8   RequestedOplockLevel;
1124     __le32 ImpersonationLevel;
1125     __le64 SmbCreateFlags;
1126     __le64 Reserved;
1127     __le32 DesiredAccess;
1128     __le32 FileAttributes;
1129     __le32 ShareAccess;
1130     __le32 CreateDisposition;
1131     __le32 CreateOptions;
1132     __le16 NameOffset;
1133     __le16 NameLength;
1134     __le32 CreateContextsOffset;
1135     __le32 CreateContextsLength;
1136     __u8   Buffer[];
1137 } __packed;
1138 
1139 struct smb2_create_rsp {
1140     struct smb2_hdr hdr;
1141     __le16 StructureSize;   /* Must be 89 */
1142     __u8   OplockLevel;
1143     __u8   Flags;  /* 0x01 if reparse point */
1144     __le32 CreateAction;
1145     __le64 CreationTime;
1146     __le64 LastAccessTime;
1147     __le64 LastWriteTime;
1148     __le64 ChangeTime;
1149     __le64 AllocationSize;
1150     __le64 EndofFile;
1151     __le32 FileAttributes;
1152     __le32 Reserved2;
1153     __u64  PersistentFileId;
1154     __u64  VolatileFileId;
1155     __le32 CreateContextsOffset;
1156     __le32 CreateContextsLength;
1157     __u8   Buffer[1];
1158 } __packed;
1159 
1160 struct create_posix {
1161     struct create_context ccontext;
1162     __u8    Name[16];
1163     __le32  Mode;
1164     __u32   Reserved;
1165 } __packed;
1166 
1167 #define SMB2_LEASE_NONE_LE          cpu_to_le32(0x00)
1168 #define SMB2_LEASE_READ_CACHING_LE      cpu_to_le32(0x01)
1169 #define SMB2_LEASE_HANDLE_CACHING_LE        cpu_to_le32(0x02)
1170 #define SMB2_LEASE_WRITE_CACHING_LE     cpu_to_le32(0x04)
1171 
1172 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE    cpu_to_le32(0x02)
1173 
1174 #define SMB2_LEASE_KEY_SIZE         16
1175 
1176 struct lease_context {
1177     __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
1178     __le32 LeaseState;
1179     __le32 LeaseFlags;
1180     __le64 LeaseDuration;
1181 } __packed;
1182 
1183 struct lease_context_v2 {
1184     __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
1185     __le32 LeaseState;
1186     __le32 LeaseFlags;
1187     __le64 LeaseDuration;
1188     __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];
1189     __le16 Epoch;
1190     __le16 Reserved;
1191 } __packed;
1192 
1193 struct create_lease {
1194     struct create_context ccontext;
1195     __u8   Name[8];
1196     struct lease_context lcontext;
1197 } __packed;
1198 
1199 struct create_lease_v2 {
1200     struct create_context ccontext;
1201     __u8   Name[8];
1202     struct lease_context_v2 lcontext;
1203     __u8   Pad[4];
1204 } __packed;
1205 
1206 /* See MS-SMB2 2.2.31 and 2.2.32 */
1207 struct smb2_ioctl_req {
1208     struct smb2_hdr hdr;
1209     __le16 StructureSize; /* Must be 57 */
1210     __le16 Reserved; /* offset from start of SMB2 header to write data */
1211     __le32 CtlCode;
1212     __u64  PersistentFileId;
1213     __u64  VolatileFileId;
1214     __le32 InputOffset; /* Reserved MBZ */
1215     __le32 InputCount;
1216     __le32 MaxInputResponse;
1217     __le32 OutputOffset;
1218     __le32 OutputCount;
1219     __le32 MaxOutputResponse;
1220     __le32 Flags;
1221     __le32 Reserved2;
1222     __u8   Buffer[];
1223 } __packed;
1224 
1225 struct smb2_ioctl_rsp {
1226     struct smb2_hdr hdr;
1227     __le16 StructureSize; /* Must be 49 */
1228     __le16 Reserved;
1229     __le32 CtlCode;
1230     __u64  PersistentFileId;
1231     __u64  VolatileFileId;
1232     __le32 InputOffset; /* Reserved MBZ */
1233     __le32 InputCount;
1234     __le32 OutputOffset;
1235     __le32 OutputCount;
1236     __le32 Flags;
1237     __le32 Reserved2;
1238     __u8   Buffer[];
1239 } __packed;
1240 
1241 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
1242 struct file_zero_data_information {
1243     __le64  FileOffset;
1244     __le64  BeyondFinalZero;
1245 } __packed;
1246 
1247 /* See MS-FSCC 2.3.7 */
1248 struct duplicate_extents_to_file {
1249     __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1250     __u64 VolatileFileHandle;
1251     __le64 SourceFileOffset;
1252     __le64 TargetFileOffset;
1253     __le64 ByteCount;  /* Bytes to be copied */
1254 } __packed;
1255 
1256 /* See MS-FSCC 2.3.8 */
1257 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC 0x00000001
1258 struct duplicate_extents_to_file_ex {
1259     __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1260     __u64 VolatileFileHandle;
1261     __le64 SourceFileOffset;
1262     __le64 TargetFileOffset;
1263     __le64 ByteCount;  /* Bytes to be copied */
1264     __le32 Flags;
1265     __le32 Reserved;
1266 } __packed;
1267 
1268 
1269 /* See MS-FSCC 2.3.20 */
1270 struct fsctl_get_integrity_information_rsp {
1271     __le16  ChecksumAlgorithm;
1272     __le16  Reserved;
1273     __le32  Flags;
1274     __le32  ChecksumChunkSizeInBytes;
1275     __le32  ClusterSizeInBytes;
1276 } __packed;
1277 
1278 /* See MS-FSCC 2.3.55 */
1279 struct fsctl_query_file_regions_req {
1280     __le64  FileOffset;
1281     __le64  Length;
1282     __le32  DesiredUsage;
1283     __le32  Reserved;
1284 } __packed;
1285 
1286 /* DesiredUsage flags see MS-FSCC 2.3.56.1 */
1287 #define FILE_USAGE_INVALID_RANGE    0x00000000
1288 #define FILE_USAGE_VALID_CACHED_DATA    0x00000001
1289 #define FILE_USAGE_NONCACHED_DATA   0x00000002
1290 
1291 struct file_region_info {
1292     __le64  FileOffset;
1293     __le64  Length;
1294     __le32  DesiredUsage;
1295     __le32  Reserved;
1296 } __packed;
1297 
1298 /* See MS-FSCC 2.3.56 */
1299 struct fsctl_query_file_region_rsp {
1300     __le32 Flags;
1301     __le32 TotalRegionEntryCount;
1302     __le32 RegionEntryCount;
1303     __u32  Reserved;
1304     struct  file_region_info Regions[];
1305 } __packed;
1306 
1307 /* See MS-FSCC 2.3.58 */
1308 struct fsctl_query_on_disk_vol_info_rsp {
1309     __le64  DirectoryCount;
1310     __le64  FileCount;
1311     __le16  FsFormatMajVersion;
1312     __le16  FsFormatMinVersion;
1313     __u8    FsFormatName[24];
1314     __le64  FormatTime;
1315     __le64  LastUpdateTime;
1316     __u8    CopyrightInfo[68];
1317     __u8    AbstractInfo[68];
1318     __u8    FormatImplInfo[68];
1319     __u8    LastModifyImplInfo[68];
1320 } __packed;
1321 
1322 /* See MS-FSCC 2.3.73 */
1323 struct fsctl_set_integrity_information_req {
1324     __le16  ChecksumAlgorithm;
1325     __le16  Reserved;
1326     __le32  Flags;
1327 } __packed;
1328 
1329 /* See MS-FSCC 2.3.75 */
1330 struct fsctl_set_integrity_info_ex_req {
1331     __u8    EnableIntegrity;
1332     __u8    KeepState;
1333     __u16   Reserved;
1334     __le32  Flags;
1335     __u8    Version;
1336     __u8    Reserved2[7];
1337 } __packed;
1338 
1339 /* Integrity ChecksumAlgorithm choices for above */
1340 #define CHECKSUM_TYPE_NONE  0x0000
1341 #define CHECKSUM_TYPE_CRC64 0x0002
1342 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
1343 
1344 /* Integrity flags for above */
1345 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
1346 
1347 /* Reparse structures - see MS-FSCC 2.1.2 */
1348 
1349 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
1350 struct reparse_data_buffer {
1351     __le32  ReparseTag;
1352     __le16  ReparseDataLength;
1353     __u16   Reserved;
1354     __u8    DataBuffer[]; /* Variable Length */
1355 } __packed;
1356 
1357 struct reparse_guid_data_buffer {
1358     __le32  ReparseTag;
1359     __le16  ReparseDataLength;
1360     __u16   Reserved;
1361     __u8    ReparseGuid[16];
1362     __u8    DataBuffer[]; /* Variable Length */
1363 } __packed;
1364 
1365 struct reparse_mount_point_data_buffer {
1366     __le32  ReparseTag;
1367     __le16  ReparseDataLength;
1368     __u16   Reserved;
1369     __le16  SubstituteNameOffset;
1370     __le16  SubstituteNameLength;
1371     __le16  PrintNameOffset;
1372     __le16  PrintNameLength;
1373     __u8    PathBuffer[]; /* Variable Length */
1374 } __packed;
1375 
1376 #define SYMLINK_FLAG_RELATIVE 0x00000001
1377 
1378 struct reparse_symlink_data_buffer {
1379     __le32  ReparseTag;
1380     __le16  ReparseDataLength;
1381     __u16   Reserved;
1382     __le16  SubstituteNameOffset;
1383     __le16  SubstituteNameLength;
1384     __le16  PrintNameOffset;
1385     __le16  PrintNameLength;
1386     __le32  Flags;
1387     __u8    PathBuffer[]; /* Variable Length */
1388 } __packed;
1389 
1390 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
1391 
1392 struct validate_negotiate_info_req {
1393     __le32 Capabilities;
1394     __u8   Guid[SMB2_CLIENT_GUID_SIZE];
1395     __le16 SecurityMode;
1396     __le16 DialectCount;
1397     __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
1398 } __packed;
1399 
1400 struct validate_negotiate_info_rsp {
1401     __le32 Capabilities;
1402     __u8   Guid[SMB2_CLIENT_GUID_SIZE];
1403     __le16 SecurityMode;
1404     __le16 Dialect; /* Dialect in use for the connection */
1405 } __packed;
1406 
1407 
1408 /* Possible InfoType values */
1409 #define SMB2_O_INFO_FILE    0x01
1410 #define SMB2_O_INFO_FILESYSTEM  0x02
1411 #define SMB2_O_INFO_SECURITY    0x03
1412 #define SMB2_O_INFO_QUOTA   0x04
1413 
1414 /* SMB2 Query Info see MS-SMB2 (2.2.37) or MS-DTYP */
1415 
1416 /* List of QUERY INFO levels (those also valid for QUERY_DIR are noted below */
1417 #define FILE_DIRECTORY_INFORMATION  1   /* also for QUERY_DIR */
1418 #define FILE_FULL_DIRECTORY_INFORMATION 2   /* also for QUERY_DIR */
1419 #define FILE_BOTH_DIRECTORY_INFORMATION 3   /* also for QUERY_DIR */
1420 #define FILE_BASIC_INFORMATION      4
1421 #define FILE_STANDARD_INFORMATION   5
1422 #define FILE_INTERNAL_INFORMATION   6
1423 #define FILE_EA_INFORMATION         7
1424 #define FILE_ACCESS_INFORMATION     8
1425 #define FILE_NAME_INFORMATION       9
1426 #define FILE_RENAME_INFORMATION     10
1427 #define FILE_LINK_INFORMATION       11
1428 #define FILE_NAMES_INFORMATION      12  /* also for QUERY_DIR */
1429 #define FILE_DISPOSITION_INFORMATION    13
1430 #define FILE_POSITION_INFORMATION   14
1431 #define FILE_FULL_EA_INFORMATION    15
1432 #define FILE_MODE_INFORMATION       16
1433 #define FILE_ALIGNMENT_INFORMATION  17
1434 #define FILE_ALL_INFORMATION        18
1435 #define FILE_ALLOCATION_INFORMATION 19
1436 #define FILE_END_OF_FILE_INFORMATION    20
1437 #define FILE_ALTERNATE_NAME_INFORMATION 21
1438 #define FILE_STREAM_INFORMATION     22
1439 #define FILE_PIPE_INFORMATION       23
1440 #define FILE_PIPE_LOCAL_INFORMATION 24
1441 #define FILE_PIPE_REMOTE_INFORMATION    25
1442 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1443 #define FILE_MAILSLOT_SET_INFORMATION   27
1444 #define FILE_COMPRESSION_INFORMATION    28
1445 #define FILE_OBJECT_ID_INFORMATION  29
1446 /* Number 30 not defined in documents */
1447 #define FILE_MOVE_CLUSTER_INFORMATION   31
1448 #define FILE_QUOTA_INFORMATION      32
1449 #define FILE_REPARSE_POINT_INFORMATION  33
1450 #define FILE_NETWORK_OPEN_INFORMATION   34
1451 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1452 #define FILE_TRACKING_INFORMATION   36
1453 #define FILEID_BOTH_DIRECTORY_INFORMATION 37    /* also for QUERY_DIR */
1454 #define FILEID_FULL_DIRECTORY_INFORMATION 38    /* also for QUERY_DIR */
1455 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1456 #define FILE_SHORT_NAME_INFORMATION 40
1457 #define FILE_SFIO_RESERVE_INFORMATION   44
1458 #define FILE_SFIO_VOLUME_INFORMATION    45
1459 #define FILE_HARD_LINK_INFORMATION  46
1460 #define FILE_NORMALIZED_NAME_INFORMATION 48
1461 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1462 #define FILE_STANDARD_LINK_INFORMATION  54
1463 #define FILE_ID_INFORMATION     59
1464 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60   /* also for QUERY_DIR */
1465 /* Used for Query Info and Find File POSIX Info for SMB3.1.1 and SMB1 */
1466 #define SMB_FIND_FILE_POSIX_INFO    0x064
1467 
1468 /* Security info type additionalinfo flags. */
1469 #define OWNER_SECINFO   0x00000001
1470 #define GROUP_SECINFO   0x00000002
1471 #define DACL_SECINFO   0x00000004
1472 #define SACL_SECINFO   0x00000008
1473 #define LABEL_SECINFO   0x00000010
1474 #define ATTRIBUTE_SECINFO   0x00000020
1475 #define SCOPE_SECINFO   0x00000040
1476 #define BACKUP_SECINFO   0x00010000
1477 #define UNPROTECTED_SACL_SECINFO   0x10000000
1478 #define UNPROTECTED_DACL_SECINFO   0x20000000
1479 #define PROTECTED_SACL_SECINFO   0x40000000
1480 #define PROTECTED_DACL_SECINFO   0x80000000
1481 
1482 /* Flags used for FileFullEAinfo */
1483 #define SL_RESTART_SCAN     0x00000001
1484 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1485 #define SL_INDEX_SPECIFIED  0x00000004
1486 
1487 struct smb2_query_info_req {
1488     struct smb2_hdr hdr;
1489     __le16 StructureSize; /* Must be 41 */
1490     __u8   InfoType;
1491     __u8   FileInfoClass;
1492     __le32 OutputBufferLength;
1493     __le16 InputBufferOffset;
1494     __u16  Reserved;
1495     __le32 InputBufferLength;
1496     __le32 AdditionalInformation;
1497     __le32 Flags;
1498     __u64  PersistentFileId;
1499     __u64  VolatileFileId;
1500     __u8   Buffer[1];
1501 } __packed;
1502 
1503 struct smb2_query_info_rsp {
1504     struct smb2_hdr hdr;
1505     __le16 StructureSize; /* Must be 9 */
1506     __le16 OutputBufferOffset;
1507     __le32 OutputBufferLength;
1508     __u8   Buffer[1];
1509 } __packed;
1510 
1511 /*
1512  *  PDU query infolevel structure definitions
1513  */
1514 
1515 /* See MS-FSCC 2.3.52 */
1516 struct file_allocated_range_buffer {
1517     __le64  file_offset;
1518     __le64  length;
1519 } __packed;
1520 
1521 struct smb2_file_internal_info {
1522     __le64 IndexNumber;
1523 } __packed; /* level 6 Query */
1524 
1525 struct smb2_file_rename_info { /* encoding of request for level 10 */
1526     __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1527                 /* 0 = fail if target already exists */
1528     __u8   Reserved[7];
1529     __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1530     __le32 FileNameLength;
1531     char   FileName[];     /* New name to be assigned */
1532     /* padding - overall struct size must be >= 24 so filename + pad >= 6 */
1533 } __packed; /* level 10 Set */
1534 
1535 struct smb2_file_link_info { /* encoding of request for level 11 */
1536     __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1537                 /* 0 = fail if link already exists */
1538     __u8   Reserved[7];
1539     __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1540     __le32 FileNameLength;
1541     char   FileName[];     /* Name to be assigned to new link */
1542 } __packed; /* level 11 Set */
1543 
1544 /*
1545  * This level 18, although with struct with same name is different from cifs
1546  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1547  * CurrentByteOffset.
1548  */
1549 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1550     __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1551     __le64 LastAccessTime;
1552     __le64 LastWriteTime;
1553     __le64 ChangeTime;
1554     __le32 Attributes;
1555     __u32  Pad1;        /* End of FILE_BASIC_INFO_INFO equivalent */
1556     __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1557     __le64 EndOfFile;   /* size ie offset to first free byte in file */
1558     __le32 NumberOfLinks;   /* hard links */
1559     __u8   DeletePending;
1560     __u8   Directory;
1561     __u16  Pad2;        /* End of FILE_STANDARD_INFO equivalent */
1562     __le64 IndexNumber;
1563     __le32 EASize;
1564     __le32 AccessFlags;
1565     __le64 CurrentByteOffset;
1566     __le32 Mode;
1567     __le32 AlignmentRequirement;
1568     __le32 FileNameLength;
1569     char   FileName[1];
1570 } __packed; /* level 18 Query */
1571 
1572 struct smb2_file_eof_info { /* encoding of request for level 10 */
1573     __le64 EndOfFile; /* new end of file value */
1574 } __packed; /* level 20 Set */
1575 
1576 /* Level 100 query info */
1577 struct smb311_posix_qinfo {
1578     __le64 CreationTime;
1579     __le64 LastAccessTime;
1580     __le64 LastWriteTime;
1581     __le64 ChangeTime;
1582     __le64 EndOfFile;
1583     __le64 AllocationSize;
1584     __le32 DosAttributes;
1585     __le64 Inode;
1586     __le32 DeviceId;
1587     __le32 Zero;
1588     /* beginning of POSIX Create Context Response */
1589     __le32 HardLinks;
1590     __le32 ReparseTag;
1591     __le32 Mode;
1592     u8     Sids[];
1593     /*
1594      * var sized owner SID
1595      * var sized group SID
1596      * le32 filenamelength
1597      * u8  filename[]
1598      */
1599 } __packed;
1600 
1601 /* File System Information Classes */
1602 #define FS_VOLUME_INFORMATION       1 /* Query */
1603 #define FS_LABEL_INFORMATION        2 /* Set */
1604 #define FS_SIZE_INFORMATION     3 /* Query */
1605 #define FS_DEVICE_INFORMATION       4 /* Query */
1606 #define FS_ATTRIBUTE_INFORMATION    5 /* Query */
1607 #define FS_CONTROL_INFORMATION      6 /* Query, Set */
1608 #define FS_FULL_SIZE_INFORMATION    7 /* Query */
1609 #define FS_OBJECT_ID_INFORMATION    8 /* Query, Set */
1610 #define FS_DRIVER_PATH_INFORMATION  9 /* Query */
1611 #define FS_SECTOR_SIZE_INFORMATION  11 /* SMB3 or later. Query */
1612 #define FS_POSIX_INFORMATION        100 /* SMB3.1.1 POSIX. Query */
1613 
1614 struct smb2_fs_full_size_info {
1615     __le64 TotalAllocationUnits;
1616     __le64 CallerAvailableAllocationUnits;
1617     __le64 ActualAvailableAllocationUnits;
1618     __le32 SectorsPerAllocationUnit;
1619     __le32 BytesPerSector;
1620 } __packed;
1621 
1622 #define SSINFO_FLAGS_ALIGNED_DEVICE     0x00000001
1623 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1624 #define SSINFO_FLAGS_NO_SEEK_PENALTY        0x00000004
1625 #define SSINFO_FLAGS_TRIM_ENABLED       0x00000008
1626 
1627 /* sector size info struct */
1628 struct smb3_fs_ss_info {
1629     __le32 LogicalBytesPerSector;
1630     __le32 PhysicalBytesPerSectorForAtomicity;
1631     __le32 PhysicalBytesPerSectorForPerf;
1632     __le32 FSEffPhysicalBytesPerSectorForAtomicity;
1633     __le32 Flags;
1634     __le32 ByteOffsetForSectorAlignment;
1635     __le32 ByteOffsetForPartitionAlignment;
1636 } __packed;
1637 
1638 /* File System Control Information */
1639 struct smb2_fs_control_info {
1640     __le64 FreeSpaceStartFiltering;
1641     __le64 FreeSpaceThreshold;
1642     __le64 FreeSpaceStopFiltering;
1643     __le64 DefaultQuotaThreshold;
1644     __le64 DefaultQuotaLimit;
1645     __le32 FileSystemControlFlags;
1646     __le32 Padding;
1647 } __packed;
1648 
1649 /* volume info struct - see MS-FSCC 2.5.9 */
1650 #define MAX_VOL_LABEL_LEN   32
1651 struct smb3_fs_vol_info {
1652     __le64  VolumeCreationTime;
1653     __u32   VolumeSerialNumber;
1654     __le32  VolumeLabelLength; /* includes trailing null */
1655     __u8    SupportsObjects; /* True if eg like NTFS, supports objects */
1656     __u8    Reserved;
1657     __u8    VolumeLabel[]; /* variable len */
1658 } __packed;
1659 
1660 /* See MS-SMB2 2.2.23 through 2.2.25 */
1661 struct smb2_oplock_break {
1662     struct smb2_hdr hdr;
1663     __le16 StructureSize; /* Must be 24 */
1664     __u8   OplockLevel;
1665     __u8   Reserved;
1666     __le32 Reserved2;
1667     __u64  PersistentFid;
1668     __u64  VolatileFid;
1669 } __packed;
1670 
1671 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1672 
1673 struct smb2_lease_break {
1674     struct smb2_hdr hdr;
1675     __le16 StructureSize; /* Must be 44 */
1676     __le16 Epoch;
1677     __le32 Flags;
1678     __u8   LeaseKey[16];
1679     __le32 CurrentLeaseState;
1680     __le32 NewLeaseState;
1681     __le32 BreakReason;
1682     __le32 AccessMaskHint;
1683     __le32 ShareMaskHint;
1684 } __packed;
1685 
1686 struct smb2_lease_ack {
1687     struct smb2_hdr hdr;
1688     __le16 StructureSize; /* Must be 36 */
1689     __le16 Reserved;
1690     __le32 Flags;
1691     __u8   LeaseKey[16];
1692     __le32 LeaseState;
1693     __le64 LeaseDuration;
1694 } __packed;
1695 
1696 #define OP_BREAK_STRUCT_SIZE_20     24
1697 #define OP_BREAK_STRUCT_SIZE_21     36
1698 #endif              /* _COMMON_SMB2PDU_H */
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