mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-16 05:50:19 +00:00
faaf946a7d
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
285 lines
9.2 KiB
C
285 lines
9.2 KiB
C
/*
|
|
* fs/cifs/smb2pdu.h
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2009, 2010
|
|
* Etersoft, 2012
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
* Pavel Shilovsky (pshilovsky@samba.org) 2012
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published
|
|
* by the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
* the GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _SMB2PDU_H
|
|
#define _SMB2PDU_H
|
|
|
|
#include <net/sock.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
|
|
* 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 NUMBER_OF_SMB2_COMMANDS 0x0013
|
|
|
|
/* 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 __constant_cpu_to_le32(0x424d53fe)
|
|
|
|
#define SMB2_HEADER_SIZE __constant_le16_to_cpu(64)
|
|
|
|
#define SMB2_ERROR_STRUCTURE_SIZE2 __constant_le16_to_cpu(9)
|
|
|
|
/*
|
|
* SMB2 Header Definition
|
|
*
|
|
* "MBZ" : Must be Zero
|
|
* "BB" : BugBug, Something to check/review/analyze later
|
|
* "PDU" : "Protocol Data Unit" (ie a network "frame")
|
|
*
|
|
*/
|
|
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 */
|
|
__u8 ProtocolId[4]; /* 0xFE 'S' 'M' 'B' */
|
|
__le16 StructureSize; /* 64 */
|
|
__le16 CreditCharge; /* MBZ */
|
|
__le32 Status; /* Error from server */
|
|
__le16 Command;
|
|
__le16 CreditRequest; /* CreditResponse */
|
|
__le32 Flags;
|
|
__le32 NextCommand;
|
|
__u64 MessageId; /* opaque - so can stay little endian */
|
|
__le32 ProcessId;
|
|
__u32 TreeId; /* opaque - so do not make little endian */
|
|
__u64 SessionId; /* opaque - so do not make little endian */
|
|
__u8 Signature[16];
|
|
} __packed;
|
|
|
|
struct smb2_pdu {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize2; /* size of wct area (varies, request specific) */
|
|
} __packed;
|
|
|
|
/*
|
|
* SMB2 flag definitions
|
|
*/
|
|
#define SMB2_FLAGS_SERVER_TO_REDIR __constant_cpu_to_le32(0x00000001)
|
|
#define SMB2_FLAGS_ASYNC_COMMAND __constant_cpu_to_le32(0x00000002)
|
|
#define SMB2_FLAGS_RELATED_OPERATIONS __constant_cpu_to_le32(0x00000004)
|
|
#define SMB2_FLAGS_SIGNED __constant_cpu_to_le32(0x00000008)
|
|
#define SMB2_FLAGS_DFS_OPERATIONS __constant_cpu_to_le32(0x10000000)
|
|
|
|
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
struct smb2_err_rsp {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize;
|
|
__le16 Reserved; /* MBZ */
|
|
__le32 ByteCount; /* even if zero, at least one byte follows */
|
|
__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[16]; /* MBZ */
|
|
__le64 ClientStartTime; /* MBZ */
|
|
__le16 Dialects[2]; /* variable length */
|
|
} __packed;
|
|
|
|
/* SecurityMode flags */
|
|
#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001
|
|
#define SMB2_NEGOTIATE_SIGNING_REQUIRED 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 */
|
|
|
|
struct smb2_negotiate_rsp {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 65 */
|
|
__le16 SecurityMode;
|
|
__le16 DialectRevision;
|
|
__le16 Reserved; /* MBZ */
|
|
__u8 ServerGUID[16];
|
|
__le32 Capabilities;
|
|
__le32 MaxTransactSize;
|
|
__le32 MaxReadSize;
|
|
__le32 MaxWriteSize;
|
|
__le64 SystemTime; /* MBZ */
|
|
__le64 ServerStartTime;
|
|
__le16 SecurityBufferOffset;
|
|
__le16 SecurityBufferLength;
|
|
__le32 Reserved2; /* may be any value, ignore */
|
|
__u8 Buffer[1]; /* variable length GSS security buffer */
|
|
} __packed;
|
|
|
|
struct smb2_sess_setup_req {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 25 */
|
|
__u8 VcNumber;
|
|
__u8 SecurityMode;
|
|
__le32 Capabilities;
|
|
__le32 Channel;
|
|
__le16 SecurityBufferOffset;
|
|
__le16 SecurityBufferLength;
|
|
__le64 PreviousSessionId;
|
|
__u8 Buffer[1]; /* variable length GSS security buffer */
|
|
} __packed;
|
|
|
|
/* Currently defined SessionFlags */
|
|
#define SMB2_SESSION_FLAG_IS_GUEST 0x0001
|
|
#define SMB2_SESSION_FLAG_IS_NULL 0x0002
|
|
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;
|
|
__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;
|
|
|
|
#endif /* _SMB2PDU_H */
|