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smb1pdu.h
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2016 Namjae Jeon <[email protected]>
* Copyright (C) 2018 Samsung Electronics Co., Ltd.
*/
#ifndef __CIFSD_SMB1PDU_H
#define __CIFSD_SMB1PDU_H
#include "glob.h"
#include "nterr.h"
#define MAX_CIFS_HDR_SIZE 0x58
/* @FIXME rework this code */
#define SMB1_CLIENT_GUID_SIZE (16)
#define SMB1_MAX_MPX_COUNT 10
#define SMB1_MAX_VCS 1
#define SMB1_MAX_RAW_SIZE 65536
#define MAX_CIFS_LOOKUP_BUFFER_SIZE (16*1024)
#define SMB1_SERVER_CAPS \
(CAP_UNICODE | CAP_LARGE_FILES | CAP_EXTENDED_SECURITY |\
CAP_NT_SMBS | CAP_STATUS32 | CAP_LOCK_AND_READ | \
CAP_NT_FIND | CAP_UNIX | CAP_LARGE_READ_X | \
CAP_LARGE_WRITE_X | CAP_LEVEL_II_OPLOCKS)
#define SMB1_SERVER_SECU (SECMODE_USER | SECMODE_PW_ENCRYPT)
/* Service Type of TreeConnect*/
#define SERVICE_DISK_SHARE "A:"
#define SERVICE_IPC_SHARE "IPC"
#define SERVICE_PRINTER_SHARE "LPT1:"
#define SERVICE_COMM "COMM"
#define NATIVE_FILE_SYSTEM "NTFS"
#define SMB_NO_MORE_ANDX_COMMAND 0xFF
#define SMB1_PROTO_NUMBER __constant_cpu_to_le32(0x424d53ff)
/* Transact2 subcommand codes */
#define TRANS2_OPEN 0x00
#define TRANS2_FIND_FIRST 0x01
#define TRANS2_FIND_NEXT 0x02
#define TRANS2_QUERY_FS_INFORMATION 0x03
#define TRANS2_SET_FS_INFORMATION 0x04
#define TRANS2_QUERY_PATH_INFORMATION 0x05
#define TRANS2_SET_PATH_INFORMATION 0x06
#define TRANS2_QUERY_FILE_INFORMATION 0x07
#define TRANS2_SET_FILE_INFORMATION 0x08
#define TRANS2_CREATE_DIRECTORY 0x0d
#define TRANS2_GET_DFS_REFERRAL 0x10
#define TRANS2_REPORT_DFS_INCOSISTENCY 0x11
/* SMB Transact (Named Pipe) subcommand codes */
#define TRANS_SET_NMPIPE_STATE 0x0001
#define TRANS_RAW_READ_NMPIPE 0x0011
#define TRANS_QUERY_NMPIPE_STATE 0x0021
#define TRANS_QUERY_NMPIPE_INFO 0x0022
#define TRANS_PEEK_NMPIPE 0x0023
#define TRANS_TRANSACT_NMPIPE 0x0026
#define TRANS_RAW_WRITE_NMPIPE 0x0031
#define TRANS_READ_NMPIPE 0x0036
#define TRANS_WRITE_NMPIPE 0x0037
#define TRANS_WAIT_NMPIPE 0x0053
#define TRANS_CALL_NMPIPE 0x0054
/* NT Transact subcommand codes */
#define NT_TRANSACT_CREATE 0x01
#define NT_TRANSACT_IOCTL 0x02
#define NT_TRANSACT_SET_SECURITY_DESC 0x03
#define NT_TRANSACT_NOTIFY_CHANGE 0x04
#define NT_TRANSACT_RENAME 0x05
#define NT_TRANSACT_QUERY_SECURITY_DESC 0x06
#define NT_TRANSACT_GET_USER_QUOTA 0x07
#define NT_TRANSACT_SET_USER_QUOTA 0x08
/*
* SMB flag definitions
*/
#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */
#define SMBFLG_RCV_POSTED 0x02 /* obsolete */
#define SMBFLG_RSVD 0x04
#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off
implies case sensitive file handling
request) */
#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */
#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */
#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */
#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */
/*
* SMB flag2 definitions
*/
#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3)
path names in response */
#define SMBFLG2_KNOWS_EAS cpu_to_le16(2)
#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4)
#define SMBFLG2_COMPRESSED (8)
#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10)
#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40)
#define SMBFLG2_REPARSE_PATH (0x400)
#define SMBFLG2_EXT_SEC cpu_to_le16(0x800)
#define SMBFLG2_DFS cpu_to_le16(0x1000)
#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000)
#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000)
#define SMBFLG2_UNICODE cpu_to_le16(0x8000)
#define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */
#define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */
#define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */
#define SMB_COM_FLUSH 0x05 /* triv req/rsp */
#define SMB_COM_DELETE 0x06 /* trivial response */
#define SMB_COM_RENAME 0x07 /* trivial response */
#define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */
#define SMB_COM_SETATTR 0x09 /* trivial response */
#define SMB_COM_WRITE 0x0b
#define SMB_COM_CHECK_DIRECTORY 0x10 /* trivial response */
#define SMB_COM_PROCESS_EXIT 0x11 /* trivial response */
#define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */
#define SMB_COM_TRANSACTION 0x25
#define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/
#define SMB_COM_ECHO 0x2B /* echo request */
#define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */
#define SMB_COM_READ_ANDX 0x2E
#define SMB_COM_WRITE_ANDX 0x2F
#define SMB_COM_TRANSACTION2 0x32
#define SMB_COM_TRANSACTION2_SECONDARY 0x33
#define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */
#define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */
#define SMB_COM_NEGOTIATE 0x72
#define SMB_COM_SESSION_SETUP_ANDX 0x73
#define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */
#define SMB_COM_TREE_CONNECT_ANDX 0x75
#define SMB_COM_NT_TRANSACT 0xA0
#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
#define SMB_COM_NT_CREATE_ANDX 0xA2
#define SMB_COM_NT_CANCEL 0xA4 /* no response */
#define SMB_COM_NT_RENAME 0xA5 /* trivial response */
/* Negotiate response Capabilities */
#define CAP_RAW_MODE 0x00000001
#define CAP_MPX_MODE 0x00000002
#define CAP_UNICODE 0x00000004
#define CAP_LARGE_FILES 0x00000008
#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */
#define CAP_RPC_REMOTE_APIS 0x00000020
#define CAP_STATUS32 0x00000040
#define CAP_LEVEL_II_OPLOCKS 0x00000080
#define CAP_LOCK_AND_READ 0x00000100
#define CAP_NT_FIND 0x00000200
#define CAP_DFS 0x00001000
#define CAP_INFOLEVEL_PASSTHRU 0x00002000
#define CAP_LARGE_READ_X 0x00004000
#define CAP_LARGE_WRITE_X 0x00008000
#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */
#define CAP_UNIX 0x00800000
#define CAP_COMPRESSED_DATA 0x02000000
#define CAP_DYNAMIC_REAUTH 0x20000000
#define CAP_PERSISTENT_HANDLES 0x40000000
#define CAP_EXTENDED_SECURITY 0x80000000
/* RFC 1002 session packet types */
#define RFC1002_SESSION_MESSAGE 0x00
#define RFC1002_SESSION_REQUEST 0x81
#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82
#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83
#define RFC1002_RETARGET_SESSION_RESPONSE 0x84
#define RFC1002_SESSION_KEEP_ALIVE 0x85
/* Action bits */
#define GUEST_LOGIN 1
struct smb_hdr {
__be32 smb_buf_length;
__u8 Protocol[4];
__u8 Command;
union {
struct {
__u8 ErrorClass;
__u8 Reserved;
__le16 Error;
} __attribute__((packed)) DosError;
__le32 CifsError;
} __attribute__((packed)) Status;
__u8 Flags;
__le16 Flags2; /* note: le */
__le16 PidHigh;
union {
struct {
__le32 SequenceNumber; /* le */
__u32 Reserved; /* zero */
} __attribute__((packed)) Sequence;
__u8 SecuritySignature[8]; /* le */
} __attribute__((packed)) Signature;
__u8 pad[2];
__u16 Tid;
__le16 Pid;
__u16 Uid;
__le16 Mid;
__u8 WordCount;
} __attribute__((packed));
typedef struct smb_com_read_req {
struct smb_hdr hdr; /* wct = 12 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u16 Fid;
__le32 OffsetLow;
__le16 MaxCount;
__le16 MinCount; /* obsolete */
__le32 MaxCountHigh;
__le16 Remaining;
__le32 OffsetHigh;
__le16 ByteCount;
} __attribute__((packed)) READ_REQ;
typedef struct smb_com_read_rsp {
struct smb_hdr hdr; /* wct = 12 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 Remaining;
__le16 DataCompactionMode;
__le16 Reserved;
__le16 DataLength;
__le16 DataOffset;
__le16 DataLengthHigh;
__u64 Reserved2;
__u16 ByteCount;
/* read response data immediately follows */
} __attribute__((packed)) READ_RSP;
typedef struct smb_com_write_req {
struct smb_hdr hdr; /* wct = 14 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u16 Fid;
__le32 OffsetLow;
__u32 Reserved;
__le16 WriteMode;
__le16 Remaining;
__le16 DataLengthHigh;
__le16 DataLengthLow;
__le16 DataOffset;
__le32 OffsetHigh;
__le16 ByteCount;
__u8 Pad; /* BB check for whether padded to DWORD
boundary and optimum performance here */
char Data[0];
} __attribute__((packed)) WRITE_REQ;
typedef struct smb_com_write_req_32bit {
struct smb_hdr hdr; /* wct = 5 */
__u16 Fid;
__u16 Length;
__u32 Offset;
__u16 Estimate;
__le16 ByteCount; /* must be greater than 2 */
__u8 BufferFormat;
__u16 DataLength;
char Data[0];
} __attribute__((packed)) WRITE_REQ_32BIT;
typedef struct smb_com_write_rsp_32bit {
struct smb_hdr hdr; /* wct = 1 */
__u16 Written;
__le16 ByteCount; /* must be 0 */
} __attribute__((packed)) WRITE_RSP_32BIT;
typedef struct smb_com_write_rsp {
struct smb_hdr hdr; /* wct = 6 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 Count;
__le16 Remaining;
__le16 CountHigh;
__u16 Reserved;
__u16 ByteCount;
} __attribute__((packed)) WRITE_RSP;
typedef struct smb_com_rename_req {
struct smb_hdr hdr; /* wct = 1 */
__le16 SearchAttributes; /* target file attributes */
__le16 ByteCount;
__u8 BufferFormat; /* 4 = ASCII or Unicode */
unsigned char OldFileName[1];
/* followed by __u8 BufferFormat2 */
/* followed by NewFileName */
} __attribute__((packed)) RENAME_REQ;
typedef struct smb_com_rename_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
} __attribute__((packed)) RENAME_RSP;
typedef struct negotiate_rsp {
struct smb_hdr hdr; /* wct = 17 */
__le16 DialectIndex; /* 0xFFFF = no dialect acceptable */
__u8 SecurityMode;
__le16 MaxMpxCount;
__le16 MaxNumberVcs;
__le32 MaxBufferSize;
__le32 MaxRawSize;
__le32 SessionKey;
__le32 Capabilities; /* see below */
__le32 SystemTimeLow;
__le32 SystemTimeHigh;
__le16 ServerTimeZone;
__u8 EncryptionKeyLength;
__u16 ByteCount;
union {
unsigned char EncryptionKey[8]; /* cap extended security off */
/* followed by Domain name - if extended security is off */
/* followed by 16 bytes of server GUID */
/* then security blob if cap_extended_security negotiated */
struct {
unsigned char GUID[SMB1_CLIENT_GUID_SIZE];
unsigned char SecurityBlob[1];
} __attribute__((packed)) extended_response;
} __attribute__((packed)) u;
} __attribute__((packed)) NEGOTIATE_RSP;
typedef struct negotiate_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
unsigned char DialectsArray[1];
} __attribute__((packed)) NEGOTIATE_REQ;
/* SecurityMode bits */
#define SECMODE_USER 0x01 /* off indicates share level security */
#define SECMODE_PW_ENCRYPT 0x02
#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */
#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */
struct smb_com_session_setup_req { /* request format */
struct smb_hdr hdr; /* wct = 12 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 MaxBufferSize;
__le16 MaxMpxCount;
__le16 VcNumber;
__u32 SessionKey;
__le16 SecurityBlobLength;
__u32 Reserved;
__le32 Capabilities; /* see below */
__le16 ByteCount;
unsigned char SecurityBlob[1]; /* followed by */
/* STRING NativeOS */
/* STRING NativeLanMan */
} __attribute__((packed)); /* NTLM request format (with
extended security */
struct smb_com_session_setup_req_no_secext { /* request format */
struct smb_hdr hdr; /* we will handle this :: wct = 13 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 MaxBufferSize;
__le16 MaxMpxCount;
__le16 VcNumber;
__u32 SessionKey;
__le16 CaseInsensitivePasswordLength; /* ASCII password len */
__le16 CaseSensitivePasswordLength; /* Unicode password length*/
__u32 Reserved; /* see below */
__le32 Capabilities;
__le16 ByteCount;
unsigned char CaseInsensitivePassword[0]; /* followed by: */
/* unsigned char * CaseSensitivePassword; */
/* STRING AccountName */
/* STRING PrimaryDomain */
/* STRING NativeOS */
/* STRING NativeLanMan */
} __attribute__((packed)); /* NTLM request format (without
extended security */
struct smb_com_session_setup_resp { /* default (NTLM) response format */
struct smb_hdr hdr; /* wct = 4 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 Action; /* see below */
__le16 SecurityBlobLength;
__u16 ByteCount;
unsigned char SecurityBlob[1]; /* followed by */
/* unsigned char * NativeOS; */
/* unsigned char * NativeLanMan; */
/* unsigned char * PrimaryDomain; */
} __attribute__((packed)); /* NTLM response
(with or without extended sec) */
struct smb_com_session_setup_old_resp { /* default (NTLM) response format */
struct smb_hdr hdr; /* wct = 3 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 Action; /* see below */
__u16 ByteCount;
unsigned char NativeOS[1]; /* followed by */
/* unsigned char * NativeLanMan; */
/* unsigned char * PrimaryDomain; */
} __attribute__((packed)); /* pre-NTLM (LANMAN2.1) response */
typedef union smb_com_session_setup_andx {
struct smb_com_session_setup_req req;
struct smb_com_session_setup_req_no_secext req_no_secext;
struct smb_com_session_setup_resp resp;
struct smb_com_session_setup_old_resp old_resp;
} __attribute__((packed)) SESSION_SETUP_ANDX;
typedef struct smb_com_tconx_req {
__u8 WordCount; /* wct = 4, it could be ANDX */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 Flags; /* see below */
__le16 PasswordLength;
__le16 ByteCount;
unsigned char Password[1]; /* followed by */
/* STRING Path *//* \\server\share name */
/* STRING Service */
} __attribute__((packed)) TCONX_REQ;
typedef struct smb_com_tconx_rsp {
__u8 WordCount; /* wct = 3 , not extended response */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 OptionalSupport; /* see below */
__u16 ByteCount;
unsigned char Service[1]; /* always ASCII, not Unicode */
/* STRING NativeFileSystem */
} __attribute__((packed)) TCONX_RSP;
typedef struct smb_com_tconx_rsp_ext {
__u8 WordCount; /* wct = 7, extended response */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__le16 OptionalSupport; /* see below */
__le32 MaximalShareAccessRights;
__le32 GuestMaximalShareAccessRights;
__u16 ByteCount;
unsigned char Service[1]; /* always ASCII, not Unicode */
/* STRING NativeFileSystem */
} __attribute__((packed)) TCONX_RSP_EXT;
struct andx_block {
__u8 WordCount;
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
} __attribute__((packed));
typedef struct locking_andx_range64 {
__le16 Pid;
__le16 Pad;
__le32 OffsetHigh;
__le32 OffsetLow;
__le32 LengthHigh;
__le32 LengthLow;
} __attribute__((packed)) LOCKING_ANDX_RANGE64;
typedef struct locking_andx_range32 {
__le16 Pid;
__le32 Offset;
__le32 Length;
} __attribute__((packed)) LOCKING_ANDX_RANGE32;
#define LOCKING_ANDX_SHARED_LOCK 0x01
#define LOCKING_ANDX_OPLOCK_RELEASE 0x02
#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
#define LOCKING_ANDX_CANCEL_LOCK 0x08
#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */
typedef struct smb_com_lock_req {
struct smb_hdr hdr; /* wct = 8 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u16 Fid;
__u8 LockType;
__u8 OplockLevel;
__le32 Timeout;
__le16 NumberOfUnlocks;
__le16 NumberOfLocks;
__le16 ByteCount;
char *Locks[1];
} __attribute__((packed)) LOCK_REQ;
typedef struct smb_com_lock_rsp {
struct smb_hdr hdr; /* wct = 2 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u16 ByteCount;
} __attribute__((packed)) LOCK_RSP;
/* tree connect Flags */
#define DISCONNECT_TID 0x0001
#define TCON_EXTENDED_SIGNATURES 0x0004
#define TCON_EXTENDED_SECINFO 0x0008
/* OptionalSupport bits */
#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits
(exclusive searches supported) */
#define SMB_SHARE_IS_IN_DFS 0x0002
#define SMB_CSC_MASK 0x000C
/* CSC flags defined as follows */
#define SMB_CSC_CACHE_MANUAL_REINT 0x0000
#define SMB_CSC_CACHE_AUTO_REINT 0x0004
#define SMB_CSC_CACHE_VDO 0x0008
#define SMB_CSC_NO_CACHING 0x000C
#define SMB_UNIQUE_FILE_NAME 0x0010
#define SMB_EXTENDED_SIGNATURES 0x0020
/*
** These are the file access permission bits defined in CIFS for the
** NTCreateAndX as well as the level 0x107
** TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO
** responds with the AccessFlags.
** The AccessFlags specifies the access permissions a caller has to the
** file and can have any suitable combination of the following values:
**/
#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */
#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */
#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */
#define FILE_READ_EA 0x00000008 /* Extended attributes associated */
/* with the file can be read */
#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */
/* with the file can be written */
#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */
/* the file using system paging I/O */
#define FILE_DELETE_CHILD 0x00000040
#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */
/* file can be read */
#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */
/* file can be written */
#define DELETE 0x00010000 /* The file can be deleted */
#define READ_CONTROL 0x00020000 /* The access control list and */
/* ownership associated with the */
/* file can be read */
#define WRITE_DAC 0x00040000 /* The access control list and */
/* ownership associated with the */
/* file can be written. */
#define WRITE_OWNER 0x00080000 /* Ownership information associated */
/* with the file can be written */
#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */
/* synchronize with the completion */
/* of an input/output request */
#define GENERIC_ALL 0x10000000
#define GENERIC_EXECUTE 0x20000000
#define GENERIC_WRITE 0x40000000
#define GENERIC_READ 0x80000000
/* In summary - Relevant file */
/* access flags from CIFS are */
/* file_read_data, file_write_data */
/* file_execute, file_read_attributes*/
/* write_dac, and delete. */
#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES)
#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
| FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)
#define FILE_EXEC_RIGHTS (FILE_EXECUTE)
#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \
| FILE_READ_ATTRIBUTES \
| FILE_WRITE_ATTRIBUTES \
| DELETE | READ_CONTROL | WRITE_DAC \
| WRITE_OWNER | SYNCHRONIZE)
#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
| FILE_READ_EA | FILE_WRITE_EA \
| FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \
| FILE_WRITE_ATTRIBUTES \
| DELETE | READ_CONTROL | WRITE_DAC \
| WRITE_OWNER | SYNCHRONIZE)
#define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \
| FILE_READ_ATTRIBUTES \
| FILE_WRITE_ATTRIBUTES \
| DELETE | READ_CONTROL | WRITE_DAC \
| WRITE_OWNER | SYNCHRONIZE)
#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \
| READ_CONTROL | SYNCHRONIZE)
/* generic flags for file open */
#define GENERIC_READ_FLAGS (READ_CONTROL | FILE_READ_DATA | \
FILE_READ_ATTRIBUTES | \
FILE_READ_EA | SYNCHRONIZE)
#define GENERIC_WRITE_FLAGS (READ_CONTROL | FILE_WRITE_DATA | \
FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | \
FILE_APPEND_DATA | SYNCHRONIZE)
#define GENERIC_EXECUTE_FLAGS (READ_CONTROL | FILE_EXECUTE | SYNCHRONIZE)
#define GENERIC_ALL_FLAGS (DELETE | READ_CONTROL | WRITE_DAC | \
WRITE_OWNER | SYNCHRONIZE | FILE_READ_DATA | \
FILE_WRITE_DATA | FILE_APPEND_DATA | \
FILE_READ_EA | FILE_WRITE_EA | \
FILE_EXECUTE | FILE_DELETE_CHILD | \
FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES)
/* OpenFlags */
#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */
#define REQ_OPLOCK 0x00000002
#define REQ_BATCHOPLOCK 0x00000004
#define REQ_OPENDIRONLY 0x00000008
#define REQ_EXTENDED_INFO 0x00000010
/* File type */
#define DISK_TYPE 0x0000
#define BYTE_PIPE_TYPE 0x0001
#define MESSAGE_PIPE_TYPE 0x0002
#define PRINTER_TYPE 0x0003
#define COMM_DEV_TYPE 0x0004
#define UNKNOWN_TYPE 0xFFFF
/* Device Type or File Status Flags */
#define NO_EAS 0x0001
#define NO_SUBSTREAMS 0x0002
#define NO_REPARSETAG 0x0004
/* following flags can apply if pipe */
#define ICOUNT_MASK 0x00FF
#define PIPE_READ_MODE 0x0100
#define NAMED_PIPE_TYPE 0x0400
#define PIPE_END_POINT 0x4000
#define BLOCKING_NAMED_PIPE 0x8000
/* ShareAccess flags */
#define FILE_NO_SHARE 0x00000000
#define FILE_SHARE_READ 0x00000001
#define FILE_SHARE_WRITE 0x00000002
#define FILE_SHARE_DELETE 0x00000004
#define FILE_SHARE_ALL 0x00000007
/* CreateDisposition flags, similar to CreateAction as well */
#define FILE_SUPERSEDE 0x00000000
#define FILE_OPEN 0x00000001
#define FILE_CREATE 0x00000002
#define FILE_OPEN_IF 0x00000003
#define FILE_OVERWRITE 0x00000004
#define FILE_OVERWRITE_IF 0x00000005
/* ImpersonationLevel flags */
#define SECURITY_ANONYMOUS 0
#define SECURITY_IDENTIFICATION 1
#define SECURITY_IMPERSONATION 2
#define SECURITY_DELEGATION 3
/* SecurityFlags */
#define SECURITY_CONTEXT_TRACKING 0x01
#define SECURITY_EFFECTIVE_ONLY 0x02
typedef struct smb_com_open_req { /* also handles create */
struct smb_hdr hdr; /* wct = 24 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u8 Reserved; /* Must Be Zero */
__le16 NameLength;
__le32 OpenFlags;
__u32 RootDirectoryFid;
__le32 DesiredAccess;
__le64 AllocationSize;
__le32 FileAttributes;
__le32 ShareAccess;
__le32 CreateDisposition;
__le32 CreateOptions;
__le32 ImpersonationLevel;
__u8 SecurityFlags;
__le16 ByteCount;
char fileName[1];
} __attribute__((packed)) OPEN_REQ;
/* Responses when opening a file. */
#define F_SUPERSEDED 0
#define F_OPENED 1
#define F_CREATED 2
#define F_OVERWRITTEN 3
/* open response for CreateAction shifted left */
#define CIFS_CREATE_ACTION 0x20000 /* file created */
/*
* File Attribute flags
*/
#define ATTR_READONLY 0x0001
#define ATTR_HIDDEN 0x0002
#define ATTR_SYSTEM 0x0004
#define ATTR_VOLUME 0x0008
#define ATTR_DIRECTORY 0x0010
#define ATTR_ARCHIVE 0x0020
#define ATTR_DEVICE 0x0040
#define ATTR_NORMAL 0x0080
#define ATTR_TEMPORARY 0x0100
#define ATTR_SPARSE 0x0200
#define ATTR_REPARSE 0x0400
#define ATTR_COMPRESSED 0x0800
#define ATTR_OFFLINE 0x1000 /* ie file not immediately available -
on offline storage */
#define ATTR_NOT_CONTENT_INDEXED 0x2000
#define ATTR_ENCRYPTED 0x4000
#define ATTR_POSIX_SEMANTICS 0x01000000
#define ATTR_BACKUP_SEMANTICS 0x02000000
#define ATTR_DELETE_ON_CLOSE 0x04000000
#define ATTR_SEQUENTIAL_SCAN 0x08000000
#define ATTR_RANDOM_ACCESS 0x10000000
#define ATTR_NO_BUFFERING 0x20000000
#define ATTR_WRITE_THROUGH 0x80000000
/* Basic file attributes */
#define SMB_FILE_ATTRIBUTE_NORMAL 0x0000
#define SMB_FILE_ATTRIBUTE_READONLY 0x0001
#define SMB_FILE_ATTRIBUTE_HIDDEN 0x0002
#define SMB_FILE_ATTRIBUTE_SYSTEM 0x0004
#define SMB_FILE_ATTRIBUTE_VOLUME 0x0008
#define SMB_FILE_ATTRIBUTE_DIRECTORY 0x0010
#define SMB_FILE_ATTRIBUTE_ARCHIVE 0x0020
#define SMB_SEARCH_ATTRIBUTE_READONLY 0x0100
#define SMB_SEARCH_ATTRIBUTE_HIDDEN 0x0200
#define SMB_SEARCH_ATTRIBUTE_SYSTEM 0x0400
#define SMB_SEARCH_ATTRIBUTE_DIRECTORY 0x1000
#define SMB_SEARCH_ATTRIBUTE_ARCHIVE 0x2000
typedef struct smb_com_open_rsp {
struct smb_hdr hdr; /* wct = 34 BB */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u8 OplockLevel;
__u16 Fid;
__le32 CreateAction;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le32 FileAttributes;
__le64 AllocationSize;
__le64 EndOfFile;
__le16 FileType;
__le16 DeviceState;
__u8 DirectoryFlag;
__u16 ByteCount; /* bct = 0 */
} __attribute__((packed)) OPEN_RSP;
typedef struct smb_com_open__ext_rsp {
struct smb_hdr hdr; /* wct = 42 */
__u8 AndXCommand;
__u8 AndXReserved;
__le16 AndXOffset;
__u8 OplockLevel;
__u16 Fid;
__le32 CreateAction;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le32 FileAttributes;
__le64 AllocationSize;
__le64 EndOfFile;
__le16 FileType;
__le16 DeviceState;
__u8 DirectoryFlag;
__u8 VolId[16];
__le64 fid;
__le32 MaxAccess;
__le32 GuestAccess;
__u16 ByteCount; /* bct = 0 */
} __attribute__((packed)) OPEN_EXT_RSP;
typedef struct smb_com_close_req {
struct smb_hdr hdr; /* wct = 3 */
__u16 FileID;
__u32 LastWriteTime; /* should be zero or -1 */
__u16 ByteCount; /* 0 */
} __attribute__((packed)) CLOSE_REQ;
typedef struct smb_com_close_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
} __attribute__((packed)) CLOSE_RSP;
typedef struct smb_com_echo_req {
struct smb_hdr hdr;
__le16 EchoCount;
__le16 ByteCount;
char Data[1];
} __attribute__((packed)) ECHO_REQ;
typedef struct smb_com_echo_rsp {
struct smb_hdr hdr;
__le16 SequenceNumber;
__le16 ByteCount;
char Data[1];
} __attribute__((packed)) ECHO_RSP;
typedef struct smb_com_flush_req {
struct smb_hdr hdr; /* wct = 1 */
__u16 FileID;
__u16 ByteCount; /* 0 */
} __attribute__((packed)) FLUSH_REQ;
typedef struct smb_com_flush_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
} __attribute__((packed)) FLUSH_RSP;
/* SMB_COM_TRANSACTION */
typedef struct smb_com_trans_req {
struct smb_hdr hdr;
__le16 TotalParameterCount;
__le16 TotalDataCount;
__le16 MaxParameterCount;
__le16 MaxDataCount;
__u8 MaxSetupCount;
__u8 Reserved;
__le16 Flags;
__le32 Timeout;
__u16 Reserved2;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 DataCount;
__le16 DataOffset;
__u8 SetupCount;
__u8 Reserved3;
__u16 SubCommand;
__u8 Pad;
__u8 Data[1];
} __attribute__((packed)) TRANS_REQ;
typedef struct smb_com_trans_pipe_req {
struct smb_hdr hdr;
__le16 TotalParameterCount;
__le16 TotalDataCount;
__le16 MaxParameterCount;
__le16 MaxDataCount;
__u8 MaxSetupCount;
__u8 Reserved;
__le16 Flags;
__le32 Timeout;
__u16 Reserved2;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 DataCount;
__le16 DataOffset;
__u8 SetupCount;
__u8 Reserved3;
__u16 SubCommand;
__u16 fid;
__u16 ByteCount;
__u8 Pad;
__u8 Data[1];
} __attribute__((packed)) TRANS_PIPE_REQ;
typedef struct smb_com_trans_rsp {
struct smb_hdr hdr; /* wct = 10+ */
__le16 TotalParameterCount;
__le16 TotalDataCount;
__u16 Reserved;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 ParameterDisplacement;
__le16 DataCount;
__le16 DataOffset;
__le16 DataDisplacement;
__u8 SetupCount;
__u8 Reserved1;
__u16 ByteCount;
__u8 Pad;
} __attribute__((packed)) TRANS_RSP;
/* SMB_COM_TRANSACTION subcommands */
#define TRANSACT_DCERPCCMD 0x26
/*****************************************************************************
* TRANS2 command implentation functions
*****************************************************************************/
#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL
/* QFSInfo Levels */
#define SMB_INFO_ALLOCATION 1
#define SMB_INFO_VOLUME 2
#define SMB_QUERY_FS_VOLUME_INFO 0x102
#define SMB_QUERY_FS_SIZE_INFO 0x103
#define SMB_QUERY_FS_DEVICE_INFO 0x104
#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
#define SMB_QUERY_CIFS_UNIX_INFO 0x200
#define SMB_QUERY_POSIX_FS_INFO 0x201
#define SMB_QUERY_POSIX_WHO_AM_I 0x202
#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203
#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure
FILE_SYSTEM__UNIX_INFO to tell
whether new NTIOCTL available
(0xACE) for WAN friendly SMB
operations to be carried */
#define SMB_QUERY_LABEL_INFO 0x3ea
#define SMB_QUERY_FS_QUOTA_INFO 0x3ee
#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
#define SMB_QUERY_OBJECTID_INFO 0x3f0
struct trans2_resp {
/* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
__le16 TotalParameterCount;
__le16 TotalDataCount;
__u16 Reserved;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 ParameterDisplacement;
__le16 DataCount;
__le16 DataOffset;
__le16 DataDisplacement;
__u8 SetupCount;
__u8 Reserved1;
/* SetupWords[SetupCount];
* * __u16 ByteCount;
* * __u16 Reserved2;*/
/* data area follows */
} __attribute__((packed));
struct smb_trans2_req {
struct smb_hdr hdr;
__le16 TotalParameterCount;
__le16 TotalDataCount;
__le16 MaxParameterCount;
__le16 MaxDataCount;
__u8 MaxSetupCount;
__u8 Reserved;
__le16 Flags;
__le32 Timeout;
__u16 Reserved2;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 DataCount;
__le16 DataOffset;
__u8 SetupCount;
__u8 Reserved3;
__le16 SubCommand; /* one setup word */
} __attribute__((packed));
typedef struct smb_com_transaction2_qfsi_req {
struct smb_hdr hdr; /* wct = 14+ */
__le16 TotalParameterCount;
__le16 TotalDataCount;
__le16 MaxParameterCount;
__le16 MaxDataCount;
__u8 MaxSetupCount;
__u8 Reserved;
__le16 Flags;
__le32 Timeout;
__u16 Reserved2;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 DataCount;
__le16 DataOffset;
__u8 SetupCount;
__u8 Reserved3;
__le16 SubCommand; /* one setup word */
__le16 ByteCount;
__u8 Pad;
__le16 InformationLevel;
} __attribute__((packed)) TRANSACTION2_QFSI_REQ;
typedef struct {
__le16 InformationLevel;
} __attribute__((packed)) TRANSACTION2_QFSI_REQ_PARAMS;
typedef struct smb_com_transaction2_ffirst_req {
struct smb_hdr hdr; /* wct = 15 */
__le16 TotalParameterCount;
__le16 TotalDataCount;
__le16 MaxParameterCount;
__le16 MaxDataCount;
__u8 MaxSetupCount;
__u8 Reserved;
__le16 Flags;
__le32 Timeout;
__u16 Reserved2;
__le16 ParameterCount;
__le16 ParameterOffset;
__le16 DataCount;
__le16 DataOffset;
__u8 SetupCount; /* one */
__u8 Reserved3;
__le16 SubCommand; /* TRANS2_FIND_FIRST */
__le16 ByteCount;