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path: root/fs/ksmbd/smb2pdu.h
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-rw-r--r--fs/ksmbd/smb2pdu.h696
1 files changed, 19 insertions, 677 deletions
diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h
index ff5a2f01d34a..4a3e4339d4c4 100644
--- a/fs/ksmbd/smb2pdu.h
+++ b/fs/ksmbd/smb2pdu.h
@@ -10,60 +10,6 @@
#include "ntlmssp.h"
#include "smbacl.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)
-
/*Create Action Flags*/
#define FILE_SUPERSEDED 0x00000000
#define FILE_OPENED 0x00000001
@@ -96,9 +42,6 @@
/* SMB2 Max Credits */
#define SMB2_MAX_CREDITS 8192
-#define SMB2_CLIENT_GUID_SIZE 16
-#define SMB2_CREATE_GUID_SIZE 16
-
/* Maximum buffer size value we can send with 1 credit */
#define SMB2_MAX_BUFFER_SIZE 65536
@@ -107,9 +50,6 @@
/* BB FIXME - analyze following length BB */
#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
-#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) /* 'B''M''S' */
-#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
-
#define SMB21_DEFAULT_IOSIZE (1024 * 1024)
#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024)
#define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024)
@@ -117,78 +57,6 @@
#define SMB3_MAX_IOSIZE (8 * 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)
-
-struct smb2_hdr {
- __be32 smb2_buf_length; /* big endian on wire */
- /*
- * length is only two or three bytes - with
- * one or two byte type preceding it that MBZ
- */
- __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 smb2_pdu {
- struct smb2_hdr hdr;
- __le16 StructureSize2; /* size of wct area (varies, request specific) */
-} __packed;
-
-#define SMB3_AES_CCM_NONCE 11
-#define SMB3_AES_GCM_NONCE 12
-
-struct smb2_transform_hdr {
- __be32 smb2_buf_length; /* big endian on wire */
- /*
- * length is only two or three bytes - with
- * one or two byte type preceding it that MBZ
- */
- __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
- __u8 Signature[16];
- __u8 Nonce[16];
- __le32 OriginalMessageSize;
- __u16 Reserved1;
- __le16 Flags; /* EncryptionAlgorithm */
- __le64 SessionId;
-} __packed;
-
-/*
- * 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_DFS_OPERATIONS cpu_to_le32(0x10000000)
-#define SMB2_FLAGS_REPLAY_OPERATIONS cpu_to_le32(0x20000000)
-
-/*
* Definitions for SMB2 Protocol Data Units (network frames)
*
* See MS-SMB2.PDF specification for protocol details.
@@ -209,425 +77,30 @@ struct smb2_err_rsp {
__u8 ErrorData[1]; /* variable length */
} __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[1]; /* One dialect (vers=) at a time for now */
-} __packed;
-
-/* SecurityMode flags */
-#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)
-/* 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 SMB311_SALT_SIZE 32
-/* Hash Algorithm Types */
-#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
-
-#define PREAUTH_HASHVALUE_SIZE 64
-
struct preauth_integrity_info {
/* PreAuth integrity Hash ID */
__le16 Preauth_HashId;
/* PreAuth integrity Hash Value */
- __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
+ __u8 Preauth_HashValue[SMB2_PREAUTH_HASH_SIZE];
};
-/* offset is sizeof smb2_negotiate_rsp - 4 but rounded up to 8 bytes. */
+/* offset is sizeof smb2_negotiate_rsp but rounded up to 8 bytes. */
#ifdef CONFIG_SMB_SERVER_KERBEROS5
-/* sizeof(struct smb2_negotiate_rsp) - 4 =
+/* sizeof(struct smb2_negotiate_rsp) =
* header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0)
*/
#define OFFSET_OF_NEG_CONTEXT 0xe0
#else
-/* sizeof(struct smb2_negotiate_rsp) - 4 =
+/* sizeof(struct smb2_negotiate_rsp) =
* header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6)
*/
#define OFFSET_OF_NEG_CONTEXT 0xd0
#endif
-#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_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 */
-} __packed;
-
-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)
-
-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; /* AES-128-GCM and AES-128-CCM by default */
- __le16 Ciphers[];
-} __packed;
-
-#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)
-
-struct smb2_compression_ctx {
- __le16 ContextType; /* 3 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 CompressionAlgorithmCount;
- __u16 Padding;
- __le32 Reserved1;
- __le16 CompressionAlgorithms[];
-} __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_netname_neg_context {
- __le16 ContextType; /* 0x100 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 NetName[]; /* hostname of target converted to UCS-2 */
-} __packed;
-
-/* Signing algorithms */
-#define SIGNING_ALG_HMAC_SHA256 cpu_to_le16(0)
-#define SIGNING_ALG_AES_CMAC cpu_to_le16(1)
-#define SIGNING_ALG_AES_GMAC cpu_to_le16(2)
-
-struct smb2_signing_capabilities {
- __le16 ContextType; /* 8 */
- __le16 DataLength;
- __le32 Reserved;
- __le16 SigningAlgorithmCount;
- __le16 SigningAlgorithms[];
-} __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[1]; /* variable length GSS security buffer */
-} __packed;
-
-/* Flags */
-#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
-#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
-
#define SMB2_SESSION_EXPIRED (0)
#define SMB2_SESSION_IN_PROGRESS BIT(0)
#define SMB2_SESSION_VALID BIT(1)
-/* 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[1]; /* variable length GSS security buffer */
-} __packed;
-
-/* Flags/Reserved for SMB3.1.1 */
-#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001
-
-/* Currently defined SessionFlags */
-#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001)
-#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002)
-#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[1]; /* variable length GSS security buffer */
-} __packed;
-
-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;
-
-struct smb2_tree_connect_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 9 */
- __le16 Reserved; /* Flags in SMB3.1.1 */
- __le16 PathOffset;
- __le16 PathLength;
- __u8 Buffer[1]; /* variable length */
-} __packed;
-
-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;
-
-/* 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 SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100
-#define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200
-#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400
-#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800
-#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000
-#define SHI1005_FLAGS_ENABLE_HASH 0x00002000
-
-/* Possible share capabilities */
-#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008)
-
-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;
-
-#define ATTR_READONLY_LE cpu_to_le32(ATTR_READONLY)
-#define ATTR_HIDDEN_LE cpu_to_le32(ATTR_HIDDEN)
-#define ATTR_SYSTEM_LE cpu_to_le32(ATTR_SYSTEM)
-#define ATTR_DIRECTORY_LE cpu_to_le32(ATTR_DIRECTORY)
-#define ATTR_ARCHIVE_LE cpu_to_le32(ATTR_ARCHIVE)
-#define ATTR_NORMAL_LE cpu_to_le32(ATTR_NORMAL)
-#define ATTR_TEMPORARY_LE cpu_to_le32(ATTR_TEMPORARY)
-#define ATTR_SPARSE_FILE_LE cpu_to_le32(ATTR_SPARSE)
-#define ATTR_REPARSE_POINT_LE cpu_to_le32(ATTR_REPARSE)
-#define ATTR_COMPRESSED_LE cpu_to_le32(ATTR_COMPRESSED)
-#define ATTR_OFFLINE_LE cpu_to_le32(ATTR_OFFLINE)
-#define ATTR_NOT_CONTENT_INDEXED_LE cpu_to_le32(ATTR_NOT_CONTENT_INDEXED)
-#define ATTR_ENCRYPTED_LE cpu_to_le32(ATTR_ENCRYPTED)
-#define ATTR_INTEGRITY_STREAML_LE cpu_to_le32(0x00008000)
-#define ATTR_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000)
-#define ATTR_MASK_LE cpu_to_le32(0x00007FB7)
-
-/* 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
-
-/* 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_ADD_FILE_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_TRAVERSE_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)
-
-/* 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_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)
-
-/* Impersonation Levels */
-#define IL_ANONYMOUS_LE cpu_to_le32(0x00000000)
-#define IL_IDENTIFICATION_LE cpu_to_le32(0x00000001)
-#define IL_IMPERSONATION_LE cpu_to_le32(0x00000002)
-#define IL_DELEGATE_LE cpu_to_le32(0x00000003)
-
-/* 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_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 0x83CE6F1AD851E0986E34401CC9BCFCE9
-#define SMB2_CREATE_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
-
-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[0];
-} __packed;
-
-struct smb2_create_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 89 */
- __u8 OplockLevel;
- __u8 Reserved;
- __le32 CreateAction;
- __le64 CreationTime;
- __le64 LastAccessTime;
- __le64 LastWriteTime;
- __le64 ChangeTime;
- __le64 AllocationSize;
- __le64 EndofFile;
- __le32 FileAttributes;
- __le32 Reserved2;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
- __le32 CreateContextsOffset;
- __le32 CreateContextsLength;
- __u8 Buffer[1];
-} __packed;
-
-struct create_context {
- __le32 Next;
- __le16 NameOffset;
- __le16 NameLength;
- __le16 Reserved;
- __le16 DataOffset;
- __le32 DataLength;
- __u8 Buffer[0];
-} __packed;
-
struct create_durable_req_v2 {
struct create_context ccontext;
__u8 Name[8];
@@ -743,22 +216,21 @@ struct create_posix_rsp {
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02)
+#define SMB2_LEASE_KEY_SIZE 16
+
struct lease_context {
- __le64 LeaseKeyLow;
- __le64 LeaseKeyHigh;
+ __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
} __packed;
struct lease_context_v2 {
- __le64 LeaseKeyLow;
- __le64 LeaseKeyHigh;
+ __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
- __le64 ParentLeaseKeyLow;
- __le64 ParentLeaseKeyHigh;
+ __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];
__le16 Epoch;
__le16 Reserved;
} __packed;
@@ -776,114 +248,12 @@ struct create_lease_v2 {
__u8 Pad[4];
} __packed;
-/* 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;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
-} __packed;
-
-struct smb2_close_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* 60 */
- __le16 Flags;
- __le32 Reserved;
- __le64 CreationTime;
- __le64 LastAccessTime;
- __le64 LastWriteTime;
- __le64 ChangeTime;
- __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
- __le64 EndOfFile;
- __le32 Attributes;
-} __packed;
-
-struct smb2_flush_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 24 */
- __le16 Reserved1;
- __le32 Reserved2;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
-} __packed;
-
-struct smb2_flush_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize;
- __le16 Reserved;
-} __packed;
-
struct smb2_buffer_desc_v1 {
__le64 offset;
__le32 token;
__le32 length;
} __packed;
-#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)
-
-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 Reserved;
- __le32 Length;
- __le64 Offset;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
- __le32 MinimumCount;
- __le32 Channel; /* Reserved MBZ */
- __le32 RemainingBytes;
- __le16 ReadChannelInfoOffset; /* Reserved MBZ */
- __le16 ReadChannelInfoLength; /* Reserved MBZ */
- __u8 Buffer[1];
-} __packed;
-
-struct smb2_read_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 17 */
- __u8 DataOffset;
- __u8 Reserved;
- __le32 DataLength;
- __le32 DataRemaining;
- __u32 Reserved2;
- __u8 Buffer[1];
-} __packed;
-
-/* For write request Flags field below the following flag is defined: */
-#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001
-
-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;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
- __le32 Channel; /* Reserved MBZ */
- __le32 RemainingBytes;
- __le16 WriteChannelInfoOffset; /* Reserved MBZ */
- __le16 WriteChannelInfoLength; /* Reserved MBZ */
- __le32 Flags;
- __u8 Buffer[1];
-} __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[1];
-} __packed;
-
#define SMB2_0_IOCTL_IS_FSCTL 0x00000001
struct duplicate_extents_to_file {
@@ -1033,43 +403,6 @@ struct reparse_data_buffer {
__u8 DataBuffer[]; /* Variable Length */
} __packed;
-/* Completion Filter flags for Notify */
-#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
-#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
-#define FILE_NOTIFY_CHANGE_NAME 0x00000003
-#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
-
-/* Flags */
-#define SMB2_WATCH_TREE 0x0001
-
-struct smb2_notify_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 32 */
- __le16 Flags;
- __le32 OutputBufferLength;
- __le64 PersistentFileId;
- __le64 VolatileFileId;
- __u32 CompletionFileter;
- __u32 Reserved;
-} __packed;
-
-struct smb2_notify_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 9 */
- __le16 OutputBufferOffset;
- __le32 OutputBufferLength;
- __u8 Buffer[1];
-} __packed;
-
/* SMB2 Notify Action Flags */
#define FILE_ACTION_ADDED 0x00000001
#define FILE_ACTION_REMOVED 0x00000002
@@ -1528,7 +861,7 @@ struct smb2_file_pos_info {
__le64 CurrentByteOffset;
} __packed;
-#define FILE_MODE_INFO_MASK cpu_to_le32(0x0000103e)
+#define FILE_MODE_INFO_MASK cpu_to_le32(0x0000100e)
struct smb2_file_mode_info {
__le32 Mode;
@@ -1705,4 +1038,13 @@ int smb2_ioctl(struct ksmbd_work *work);
int smb2_oplock_break(struct ksmbd_work *work);
int smb2_notify(struct ksmbd_work *ksmbd_work);
+/*
+ * Get the body of the smb2 message excluding the 4 byte rfc1002 headers
+ * from request/response buffer.
+ */
+static inline void *smb2_get_msg(void *buf)
+{
+ return buf + 4;
+}
+
#endif /* _SMB2PDU_H */
generated by cgit (git 2.34.1) at 2024-06-26 20:30:47 +0000