/*
* fs/cifs/cifspdu.h
*
- * Copyright (c) International Business Machines Corp., 2002
+ * Copyright (c) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
*
* 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
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _CIFSPDU_H
#include <net/sock.h>
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+#define LANMAN_PROT 0
+#define LANMAN2_PROT 1
+#define CIFS_PROT 2
+#else
#define CIFS_PROT 0
-#define BAD_PROT CIFS_PROT+1
+#endif
+#define POSIX_PROT (CIFS_PROT+1)
+#define BAD_PROT 0xFFFF
/* SMB command codes */
-/* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
- (ie which include no useful data other than the SMB error code itself).
- Knowing this helps avoid response buffer allocations and copy in some cases */
+/*
+ * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
+ * (ie which include no useful data other than the SMB error code itself).
+ * Knowing this helps avoid response buffer allocations and copy in some cases
+ */
#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 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_GET_USER_QUOTA 0x07
#define NT_TRANSACT_SET_USER_QUOTA 0x08
-#define MAX_CIFS_HDR_SIZE 256 /* chained NTCreateXReadX will probably be biggest */
+#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */
+/* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */
+/* among the requests (NTCreateX response is bigger with wct of 34) */
+#define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */
+#define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */
/* internal cifs vfs structures */
/*****************************************************************
/*
* Size of the session key (crypto key encrypted with the password
*/
-#define CIFS_SESSION_KEY_SIZE (24)
+#define CIFS_SESS_KEY_SIZE (24)
/*
* Maximum user name length
#define SMBOPEN_OAPPEND 0x0001
/*
- * SMB flag definitions
+ * SMB flag definitions
*/
-#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock primitives */
+#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 requested) */
+#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
+ * 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_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)
* 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_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 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
/* In summary - Relevant file */
/* access flags from CIFS are */
/* file_read_data, file_write_data */
- /* file_execute, file_read_attributes */
+ /* 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)
+
+
/*
* Invalid readdir handle
*/
#define CIFS_NO_HANDLE 0xFFFF
+#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL
+#define NO_CHANGE_32 0xFFFFFFFFUL
+
/* IPC$ in ASCII */
#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24"
#define ATTR_SPARSE 0x0200
#define ATTR_REPARSE 0x0400
#define ATTR_COMPRESSED 0x0800
-#define ATTR_OFFLINE 0x1000 /* ie file not immediately available - offline storage */
+#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 FILE_SHARE_DELETE 0x00000004
#define FILE_SHARE_ALL 0x00000007
-/* CreateDisposition flags */
+/* CreateDisposition flags, similar to CreateAction as well */
#define FILE_SUPERSEDE 0x00000000
#define FILE_OPEN 0x00000001
#define FILE_CREATE 0x00000002
#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */
#define CREATE_WRITE_THROUGH 0x00000002
#define CREATE_SEQUENTIAL 0x00000004
-#define CREATE_SYNC_ALERT 0x00000010
-#define CREATE_ASYNC_ALERT 0x00000020
+#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */
+#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */
+#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */
#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */
+#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */
+#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */
#define CREATE_NO_EA_KNOWLEDGE 0x00000200
-#define CREATE_EIGHT_DOT_THREE 0x00000400
+#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete
+ "open for recovery" flag should
+ be zero in any case */
+#define CREATE_OPEN_FOR_RECOVERY 0x00000400
#define CREATE_RANDOM_ACCESS 0x00000800
#define CREATE_DELETE_ON_CLOSE 0x00001000
#define CREATE_OPEN_BY_ID 0x00002000
+#define CREATE_OPEN_BACKUP_INTENT 0x00004000
+#define CREATE_NO_COMPRESSION 0x00008000
+#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */
#define OPEN_REPARSE_POINT 0x00200000
-#define CREATE_OPTIONS_MASK 0x007FFFFF
+#define OPEN_NO_RECALL 0x00400000
+#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */
+#define CREATE_OPTIONS_MASK 0x007FFFFF
+#define CREATE_OPTION_READONLY 0x10000000
#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */
/* ImpersonationLevel flags */
#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */
#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */
-#pragma pack(1)
-
struct smb_hdr {
- __u32 smb_buf_length; /* big endian on wire *//* BB length is only two or three bytes - with one or two byte type preceding it but that is always zero - we could mask the type byte off just in case BB */
+ __u32 smb_buf_length; /* big endian on wire *//* BB length is only two
+ or three bytes - with one or two byte type preceding it that are
+ zero - we could mask the type byte off just in case BB */
__u8 Protocol[4];
__u8 Command;
union {
__u8 ErrorClass;
__u8 Reserved;
__le16 Error;
- } DosError;
+ } __attribute__((packed)) DosError;
__le32 CifsError;
- } Status;
+ } __attribute__((packed)) Status;
__u8 Flags;
__le16 Flags2; /* note: le */
__le16 PidHigh;
struct {
__le32 SequenceNumber; /* le */
__u32 Reserved; /* zero */
- } Sequence;
+ } __attribute__((packed)) Sequence;
__u8 SecuritySignature[8]; /* le */
- } Signature;
+ } __attribute__((packed)) Signature;
__u8 pad[2];
__u16 Tid;
__le16 Pid;
__u16 Uid;
__u16 Mid;
__u8 WordCount;
-};
+} __attribute__((packed));
/* given a pointer to an smb_hdr retrieve the value of byte count */
-#define BCC(smb_var) ( *(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
-#define BCC_LE(smb_var) ( *(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
+#define BCC(smb_var) (*(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
+#define BCC_LE(smb_var) (*(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
/* given a pointer to an smb_hdr retrieve the pointer to the byte area */
-#define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) + 2 )
+#define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount) + 2)
/*
- * Computer Name Length
+ * Computer Name Length (since Netbios name was length 16 with last byte 0x20)
+ * No longer as important, now that TCP names are more commonly used to
+ * resolve hosts.
*/
#define CNLEN 15
/*
- * Share Name Length @S8A
- * Note: This length is limited by the SMB used to get @S8A
- * the Share info. NetShareEnum only returns 13 @S8A
- * chars, including the null termination. @S8A
+ * Share Name Length (SNLEN)
+ * Note: This length was limited by the SMB used to get
+ * the Share info. NetShareEnum only returned 13
+ * chars, including the null termination.
+ * This was removed because it no longer is limiting.
*/
-#define SNLEN 12 /*@S8A */
/*
* Comment Length
*
* The Naming convention is the lower case version of the
* smb command code name for the struct and this is typedef to the
- * uppercase version of the same name with the prefix SMB_ removed
- * for brevity. Although typedefs are not commonly used for
+ * uppercase version of the same name with the prefix SMB_ removed
+ * for brevity. Although typedefs are not commonly used for
* structure definitions in the Linux kernel, their use in the
* CIFS standards document, which this code is based on, may
* make this one of the cases where typedefs for structures make
* Typedefs can always be removed later if they are too distracting
* and they are only used for the CIFSs PDUs themselves, not
* internal cifs vfs structures
- *
+ *
*/
typedef struct negotiate_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
unsigned char DialectsArray[1];
-} NEGOTIATE_REQ;
+} __attribute__((packed)) NEGOTIATE_REQ;
+
+/* Dialect index is 13 for LANMAN */
+
+#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */
+
+typedef struct lanman_neg_rsp {
+ struct smb_hdr hdr; /* wct = 13 */
+ __le16 DialectIndex;
+ __le16 SecurityMode;
+ __le16 MaxBufSize;
+ __le16 MaxMpxCount;
+ __le16 MaxNumberVcs;
+ __le16 RawMode;
+ __le32 SessionKey;
+ struct {
+ __le16 Time;
+ __le16 Date;
+ } __attribute__((packed)) SrvTime;
+ __le16 ServerTimeZone;
+ __le16 EncryptionKeyLength;
+ __le16 Reserved;
+ __u16 ByteCount;
+ unsigned char EncryptionKey[1];
+} __attribute__((packed)) LANMAN_NEG_RSP;
+
+#define READ_RAW_ENABLE 1
+#define WRITE_RAW_ENABLE 2
+#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE)
typedef struct negotiate_rsp {
struct smb_hdr hdr; /* wct = 17 */
- __le16 DialectIndex;
+ __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */
__u8 SecurityMode;
__le16 MaxMpxCount;
__le16 MaxNumberVcs;
__u8 EncryptionKeyLength;
__u16 ByteCount;
union {
- unsigned char EncryptionKey[1]; /* if cap extended security is off */
+ unsigned char EncryptionKey[1]; /* cap extended security off */
/* followed by Domain name - if extended security is off */
/* followed by 16 bytes of server GUID */
- /* followed by security blob if cap_extended_security negotiated */
+ /* then security blob if cap_extended_security negotiated */
struct {
unsigned char GUID[16];
unsigned char SecurityBlob[1];
- } extended_response;
- } u;
-} NEGOTIATE_RSP;
+ } __attribute__((packed)) extended_response;
+ } __attribute__((packed)) u;
+} __attribute__((packed)) NEGOTIATE_RSP;
/* SecurityMode bits */
#define SECMODE_USER 0x01 /* off indicates share level security */
#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_RESERVED 0x02000000
-#define CAP_BULK_TRANSFER 0x20000000
-#define CAP_COMPRESSED_DATA 0x40000000
+#define CAP_COMPRESSED_DATA 0x02000000
+#define CAP_DYNAMIC_REAUTH 0x20000000
+#define CAP_PERSISTENT_HANDLES 0x40000000
#define CAP_EXTENDED_SECURITY 0x80000000
typedef union smb_com_session_setup_andx {
unsigned char SecurityBlob[1]; /* followed by */
/* STRING NativeOS */
/* STRING NativeLanMan */
- } req; /* NTLM request format (with extended security */
+ } __attribute__((packed)) req; /* NTLM request format (with
+ extended security */
struct { /* request format */
struct smb_hdr hdr; /* wct = 13 */
__le16 MaxMpxCount;
__le16 VcNumber;
__u32 SessionKey;
- __le16 CaseInsensitivePasswordLength; /* ASCII password length */
- __le16 CaseSensitivePasswordLength; /* Unicode password length */
+ __le16 CaseInsensitivePasswordLength; /* ASCII password len */
+ __le16 CaseSensitivePasswordLength; /* Unicode password length*/
__u32 Reserved; /* see below */
__le32 Capabilities;
__le16 ByteCount;
- unsigned char CaseInsensitivePassword[1]; /* followed by: */
+ unsigned char CaseInsensitivePassword[1]; /* followed by: */
/* unsigned char * CaseSensitivePassword; */
/* STRING AccountName */
/* STRING PrimaryDomain */
/* STRING NativeOS */
/* STRING NativeLanMan */
- } req_no_secext; /* NTLM request format (without extended security */
+ } __attribute__((packed)) req_no_secext; /* NTLM request format (without
+ extended security */
struct { /* default (NTLM) response format */
struct smb_hdr hdr; /* wct = 4 */
/* unsigned char * NativeOS; */
/* unsigned char * NativeLanMan; */
/* unsigned char * PrimaryDomain; */
- } resp; /* NTLM response format (with or without extended security */
+ } __attribute__((packed)) resp; /* NTLM response
+ (with or without extended sec) */
struct { /* request format */
struct smb_hdr hdr; /* wct = 10 */
__le16 MaxMpxCount;
__le16 VcNumber;
__u32 SessionKey;
- __le16 PassswordLength;
- __u32 Reserved;
+ __le16 PasswordLength;
+ __u32 Reserved; /* encrypt key len and offset */
__le16 ByteCount;
unsigned char AccountPassword[1]; /* followed by */
/* STRING AccountName */
/* STRING PrimaryDomain */
/* STRING NativeOS */
/* STRING NativeLanMan */
- } old_req; /* pre-NTLM (LANMAN2.1) request format */
+ } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */
struct { /* default (NTLM) response format */
struct smb_hdr hdr; /* wct = 3 */
unsigned char NativeOS[1]; /* followed by */
/* unsigned char * NativeLanMan; */
/* unsigned char * PrimaryDomain; */
- } old_resp; /* pre-NTLM (LANMAN2.1) response format */
-} SESSION_SETUP_ANDX;
+ } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */
+} __attribute__((packed)) SESSION_SETUP_ANDX;
+
+/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */
+
+#define NTLMSSP_SERVER_TYPE 1
+#define NTLMSSP_DOMAIN_TYPE 2
+#define NTLMSSP_FQ_DOMAIN_TYPE 3
+#define NTLMSSP_DNS_DOMAIN_TYPE 4
+#define NTLMSSP_DNS_PARENT_TYPE 5
+
+struct ntlmssp2_name {
+ __le16 type;
+ __le16 length;
+/* char name[length]; */
+} __attribute__((packed));
+
+struct ntlmv2_resp {
+ char ntlmv2_hash[CIFS_ENCPWD_SIZE];
+ __le32 blob_signature;
+ __u32 reserved;
+ __le64 time;
+ __u64 client_chal; /* random */
+ __u32 reserved2;
+ struct ntlmssp2_name names[2];
+ /* array of name entries could follow ending in minimum 4 byte struct */
+} __attribute__((packed));
+
#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux"
#define CAP_NT_SMBS 0x00000010
#define CAP_STATUS32 0x00000040
#define CAP_LEVEL_II_OPLOCKS 0x00000080
-#define CAP_NT_FIND 0x00000200 /* reserved should be zero (presumably because NT_SMBs implies the same thing) */
+#define CAP_NT_FIND 0x00000200 /* reserved should be zero
+ (because NT_SMBs implies the same thing?) */
#define CAP_BULK_TRANSFER 0x20000000
#define CAP_EXTENDED_SECURITY 0x80000000
unsigned char Password[1]; /* followed by */
/* STRING Path *//* \\server\share name */
/* STRING Service */
-} TCONX_REQ;
+} __attribute__((packed)) TCONX_REQ;
typedef struct smb_com_tconx_rsp {
- struct smb_hdr hdr; /* wct = 3 *//* note that Win2000 has sent wct=7 in some cases on responses. Four unspecified words followed OptionalSupport */
+ struct smb_hdr hdr; /* 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 {
+ struct smb_hdr hdr; /* 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 */
-} TCONX_RSP;
+} __attribute__((packed)) TCONX_RSP_EXT;
+
/* 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 bits (exclusive searches suppt. */
+#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
+
+/* services
+ *
+ * A: ie disk
+ * LPT1: ie printer
+ * IPC ie named pipe
+ * COMM
+ * ????? ie any type
+ *
+ */
typedef struct smb_com_logoff_andx_req {
struct smb_hdr hdr; /* wct = 2 */
__u8 AndXReserved;
__u16 AndXOffset;
__u16 ByteCount;
-} LOGOFF_ANDX_REQ;
+} __attribute__((packed)) LOGOFF_ANDX_REQ;
typedef struct smb_com_logoff_andx_rsp {
struct smb_hdr hdr; /* wct = 2 */
__u8 AndXReserved;
__u16 AndXOffset;
__u16 ByteCount;
-} LOGOFF_ANDX_RSP;
+} __attribute__((packed)) LOGOFF_ANDX_RSP;
-typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on tree_connect PDU to effect disconnect *//* probably the simplest SMB PDU */
+typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on
+ tree_connect PDU to effect disconnect */
+ /* tdis is probably simplest SMB PDU */
struct {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bcc = 0 */
- } req;
+ } __attribute__((packed)) req;
struct {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bcc = 0 */
- } resp;
-} TREE_DISCONNECT;
+ } __attribute__((packed)) resp;
+} __attribute__((packed)) TREE_DISCONNECT;
typedef struct smb_com_close_req {
struct smb_hdr hdr; /* wct = 3 */
__u16 FileID;
- __u32 LastWriteTime; /* should be zero */
+ __u32 LastWriteTime; /* should be zero or -1 */
__u16 ByteCount; /* 0 */
-} CLOSE_REQ;
+} __attribute__((packed)) CLOSE_REQ;
typedef struct smb_com_close_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} CLOSE_RSP;
+} __attribute__((packed)) CLOSE_RSP;
typedef struct smb_com_findclose_req {
struct smb_hdr hdr; /* wct = 1 */
__u16 FileID;
__u16 ByteCount; /* 0 */
-} FINDCLOSE_REQ;
+} __attribute__((packed)) FINDCLOSE_REQ;
/* 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
typedef struct smb_com_open_req { /* also handles create */
struct smb_hdr hdr; /* wct = 24 */
__u8 Reserved; /* Must Be Zero */
__le16 NameLength;
__le32 OpenFlags;
- __le32 RootDirectoryFid;
+ __u32 RootDirectoryFid;
__le32 DesiredAccess;
__le64 AllocationSize;
__le32 FileAttributes;
__u8 SecurityFlags;
__le16 ByteCount;
char fileName[1];
-} OPEN_REQ;
+} __attribute__((packed)) OPEN_REQ;
/* open response: oplock levels */
#define OPLOCK_NONE 0
__le16 DeviceState;
__u8 DirectoryFlag;
__u16 ByteCount; /* bct = 0 */
-} OPEN_RSP;
+} __attribute__((packed)) OPEN_RSP;
+
+typedef struct smb_com_open_rsp_ext {
+ struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */
+ __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 VolumeGUID[16];
+ __u64 FileId; /* note no endian conversion - is opaque UniqueID */
+ __le32 MaximalAccessRights;
+ __le32 GuestMaximalAccessRights;
+ __u16 ByteCount; /* bct = 0 */
+} __attribute__((packed)) OPEN_RSP_EXT;
+
/* format of legacy open request */
typedef struct smb_com_openx_req {
__le32 Reserved;
__le16 ByteCount; /* file name follows */
char fileName[1];
-} OPENX_REQ;
+} __attribute__((packed)) OPENX_REQ;
typedef struct smb_com_openx_rsp {
struct smb_hdr hdr; /* wct = 15 */
__u32 FileId;
__u16 Reserved;
__u16 ByteCount;
-} OPENX_RSP;
+} __attribute__((packed)) OPENX_RSP;
+
+/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */
/* Legacy write request for older servers */
typedef struct smb_com_writex_req {
- struct smb_hdr hdr; /* wct = 12 */
- __u8 AndXCommand;
- __u8 AndXReserved;
- __le16 AndXOffset;
- __u16 Fid;
- __le32 OffsetLow;
- __u32 Reserved; /* Timeout */
- __le16 WriteMode; /* 1 = write through */
- __le16 Remaining;
- __le16 Reserved2;
- __le16 DataLengthLow;
- __le16 DataOffset;
- __le16 ByteCount;
- __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
- char Data[0];
-} WRITEX_REQ;
+ struct smb_hdr hdr; /* wct = 12 */
+ __u8 AndXCommand;
+ __u8 AndXReserved;
+ __le16 AndXOffset;
+ __u16 Fid;
+ __le32 OffsetLow;
+ __u32 Reserved; /* Timeout */
+ __le16 WriteMode; /* 1 = write through */
+ __le16 Remaining;
+ __le16 Reserved2;
+ __le16 DataLengthLow;
+ __le16 DataOffset;
+ __le16 ByteCount;
+ __u8 Pad; /* BB check for whether padded to DWORD
+ boundary and optimum performance here */
+ char Data[0];
+} __attribute__((packed)) WRITEX_REQ;
typedef struct smb_com_write_req {
struct smb_hdr hdr; /* wct = 14 */
__le16 DataOffset;
__le32 OffsetHigh;
__le16 ByteCount;
- __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
+ __u8 Pad; /* BB check for whether padded to DWORD
+ boundary and optimum performance here */
char Data[0];
-} WRITE_REQ;
+} __attribute__((packed)) WRITE_REQ;
typedef struct smb_com_write_rsp {
struct smb_hdr hdr; /* wct = 6 */
__le16 CountHigh;
__u16 Reserved;
__u16 ByteCount;
-} WRITE_RSP;
+} __attribute__((packed)) WRITE_RSP;
/* legacy read request for older servers */
typedef struct smb_com_readx_req {
- struct smb_hdr hdr; /* wct = 10 */
- __u8 AndXCommand;
- __u8 AndXReserved;
- __le16 AndXOffset;
- __u16 Fid;
- __le32 OffsetLow;
- __le16 MaxCount;
- __le16 MinCount; /* obsolete */
- __le32 Reserved;
- __le16 Remaining;
- __le16 ByteCount;
-} READX_REQ;
+ struct smb_hdr hdr; /* wct = 10 */
+ __u8 AndXCommand;
+ __u8 AndXReserved;
+ __le16 AndXOffset;
+ __u16 Fid;
+ __le32 OffsetLow;
+ __le16 MaxCount;
+ __le16 MinCount; /* obsolete */
+ __le32 Reserved;
+ __le16 Remaining;
+ __le16 ByteCount;
+} __attribute__((packed)) READX_REQ;
typedef struct smb_com_read_req {
struct smb_hdr hdr; /* wct = 12 */
__le16 Remaining;
__le32 OffsetHigh;
__le16 ByteCount;
-} READ_REQ;
+} __attribute__((packed)) READ_REQ;
typedef struct smb_com_read_rsp {
struct smb_hdr hdr; /* wct = 12 */
__le16 DataLengthHigh;
__u64 Reserved2;
__u16 ByteCount;
- __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
+ __u8 Pad; /* BB check for whether padded to DWORD
+ boundary and optimum performance here */
char Data[1];
-} READ_RSP;
+} __attribute__((packed)) READ_RSP;
typedef struct locking_andx_range {
__le16 Pid;
__le32 OffsetLow;
__le32 LengthHigh;
__le32 LengthLow;
-} LOCKING_ANDX_RANGE;
+} __attribute__((packed)) LOCKING_ANDX_RANGE;
#define LOCKING_ANDX_SHARED_LOCK 0x01
#define LOCKING_ANDX_OPLOCK_RELEASE 0x02
__le16 NumberOfLocks;
__le16 ByteCount;
LOCKING_ANDX_RANGE Locks[1];
-} LOCK_REQ;
-
+} __attribute__((packed)) LOCK_REQ;
+/* lock type */
+#define CIFS_RDLCK 0
+#define CIFS_WRLCK 1
+#define CIFS_UNLCK 2
typedef struct cifs_posix_lock {
__le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */
__le16 lock_flags; /* 1 = Wait (only valid for setlock) */
__le64 start;
__le64 length;
/* BB what about additional owner info to identify network client */
-} CIFS_POSIX_LOCK;
+} __attribute__((packed)) CIFS_POSIX_LOCK;
typedef struct smb_com_lock_rsp {
struct smb_hdr hdr; /* wct = 2 */
__u8 AndXReserved;
__le16 AndXOffset;
__u16 ByteCount;
-} LOCK_RSP;
+} __attribute__((packed)) LOCK_RSP;
typedef struct smb_com_rename_req {
struct smb_hdr hdr; /* wct = 1 */
unsigned char OldFileName[1];
/* followed by __u8 BufferFormat2 */
/* followed by NewFileName */
-} RENAME_REQ;
+} __attribute__((packed)) RENAME_REQ;
/* copy request flags */
#define COPY_MUST_BE_FILE 0x0001
#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
#define COPY_VERIFY_WRITES 0x0010
-#define COPY_TREE 0x0020
+#define COPY_TREE 0x0020
typedef struct smb_com_copy_req {
struct smb_hdr hdr; /* wct = 3 */
__le16 OpenFunction;
__le16 Flags;
__le16 ByteCount;
- __u8 BufferFormat; /* 4 = ASCII or Unicode */
+ __u8 BufferFormat; /* 4 = ASCII or Unicode */
unsigned char OldFileName[1];
/* followed by __u8 BufferFormat2 */
/* followed by NewFileName string */
-} COPY_REQ;
+} __attribute__((packed)) COPY_REQ;
typedef struct smb_com_copy_rsp {
struct smb_hdr hdr; /* wct = 1 */
__u16 ByteCount; /* may be zero */
__u8 BufferFormat; /* 0x04 - only present if errored file follows */
unsigned char ErrorFileName[1]; /* only present if error in copy */
-} COPY_RSP;
+} __attribute__((packed)) COPY_RSP;
#define CREATE_HARD_LINK 0x103
#define MOVEFILE_COPY_ALLOWED 0x0002
unsigned char OldFileName[1];
/* followed by __u8 BufferFormat2 */
/* followed by NewFileName */
-} NT_RENAME_REQ;
+} __attribute__((packed)) NT_RENAME_REQ;
typedef struct smb_com_rename_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} RENAME_RSP;
+} __attribute__((packed)) RENAME_RSP;
typedef struct smb_com_delete_file_req {
struct smb_hdr hdr; /* wct = 1 */
__le16 ByteCount;
__u8 BufferFormat; /* 4 = ASCII */
unsigned char fileName[1];
-} DELETE_FILE_REQ;
+} __attribute__((packed)) DELETE_FILE_REQ;
typedef struct smb_com_delete_file_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} DELETE_FILE_RSP;
+} __attribute__((packed)) DELETE_FILE_RSP;
typedef struct smb_com_delete_directory_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
__u8 BufferFormat; /* 4 = ASCII */
unsigned char DirName[1];
-} DELETE_DIRECTORY_REQ;
+} __attribute__((packed)) DELETE_DIRECTORY_REQ;
typedef struct smb_com_delete_directory_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} DELETE_DIRECTORY_RSP;
+} __attribute__((packed)) DELETE_DIRECTORY_RSP;
typedef struct smb_com_create_directory_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
__u8 BufferFormat; /* 4 = ASCII */
unsigned char DirName[1];
-} CREATE_DIRECTORY_REQ;
+} __attribute__((packed)) CREATE_DIRECTORY_REQ;
typedef struct smb_com_create_directory_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} CREATE_DIRECTORY_RSP;
+} __attribute__((packed)) CREATE_DIRECTORY_RSP;
typedef struct smb_com_query_information_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount; /* 1 + namelen + 1 */
__u8 BufferFormat; /* 4 = ASCII */
unsigned char FileName[1];
-} QUERY_INFORMATION_REQ;
+} __attribute__((packed)) QUERY_INFORMATION_REQ;
typedef struct smb_com_query_information_rsp {
struct smb_hdr hdr; /* wct = 10 */
__le32 size;
__u16 reserved[5];
__le16 ByteCount; /* bcc = 0 */
-} QUERY_INFORMATION_RSP;
+} __attribute__((packed)) QUERY_INFORMATION_RSP;
typedef struct smb_com_setattr_req {
struct smb_hdr hdr; /* wct = 8 */
__u16 ByteCount;
__u8 BufferFormat; /* 4 = ASCII */
unsigned char fileName[1];
-} SETATTR_REQ;
+} __attribute__((packed)) SETATTR_REQ;
typedef struct smb_com_setattr_rsp {
struct smb_hdr hdr; /* wct = 0 */
__u16 ByteCount; /* bct = 0 */
-} SETATTR_RSP;
+} __attribute__((packed)) SETATTR_RSP;
/* empty wct response to setattr */
-/***************************************************/
-/* NT Transact structure defintions follow */
-/* Currently only ioctl and notify are implemented */
-/***************************************************/
+/*******************************************************/
+/* NT Transact structure defintions follow */
+/* Currently only ioctl, acl (get security descriptor) */
+/* and notify are implemented */
+/*******************************************************/
+typedef struct smb_com_ntransact_req {
+ struct smb_hdr hdr; /* wct >= 19 */
+ __u8 MaxSetupCount;
+ __u16 Reserved;
+ __le32 TotalParameterCount;
+ __le32 TotalDataCount;
+ __le32 MaxParameterCount;
+ __le32 MaxDataCount;
+ __le32 ParameterCount;
+ __le32 ParameterOffset;
+ __le32 DataCount;
+ __le32 DataOffset;
+ __u8 SetupCount; /* four setup words follow subcommand */
+ /* SNIA spec incorrectly included spurious pad here */
+ __le16 SubCommand; /* 2 = IOCTL/FSCTL */
+ /* SetupCount words follow then */
+ __le16 ByteCount;
+ __u8 Pad[3];
+ __u8 Parms[0];
+} __attribute__((packed)) NTRANSACT_REQ;
+
+typedef struct smb_com_ntransact_rsp {
+ struct smb_hdr hdr; /* wct = 18 */
+ __u8 Reserved[3];
+ __le32 TotalParameterCount;
+ __le32 TotalDataCount;
+ __le32 ParameterCount;
+ __le32 ParameterOffset;
+ __le32 ParameterDisplacement;
+ __le32 DataCount;
+ __le32 DataOffset;
+ __le32 DataDisplacement;
+ __u8 SetupCount; /* 0 */
+ __u16 ByteCount;
+ /* __u8 Pad[3]; */
+ /* parms and data follow */
+} __attribute__((packed)) NTRANSACT_RSP;
+
typedef struct smb_com_transaction_ioctl_req {
struct smb_hdr hdr; /* wct = 23 */
__u8 MaxSetupCount;
__le32 DataOffset;
__u8 SetupCount; /* four setup words follow subcommand */
/* SNIA spec incorrectly included spurious pad here */
- __le16 SubCommand;/* 2 = IOCTL/FSCTL */
+ __le16 SubCommand; /* 2 = IOCTL/FSCTL */
__le32 FunctionCode;
__u16 Fid;
- __u8 IsFsctl; /* 1 = File System Control, 0 = device control (IOCTL)*/
- __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS share)*/
+ __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */
+ __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */
__le16 ByteCount;
__u8 Pad[3];
__u8 Data[1];
-} TRANSACT_IOCTL_REQ;
+} __attribute__((packed)) TRANSACT_IOCTL_REQ;
typedef struct smb_com_transaction_ioctl_rsp {
struct smb_hdr hdr; /* wct = 19 */
__u8 SetupCount; /* 1 */
__le16 ReturnedDataLen;
__u16 ByteCount;
+} __attribute__((packed)) TRANSACT_IOCTL_RSP;
+
+#define CIFS_ACL_OWNER 1
+#define CIFS_ACL_GROUP 2
+#define CIFS_ACL_DACL 4
+#define CIFS_ACL_SACL 8
+
+typedef struct smb_com_transaction_qsec_req {
+ struct smb_hdr hdr; /* wct = 19 */
+ __u8 MaxSetupCount;
+ __u16 Reserved;
+ __le32 TotalParameterCount;
+ __le32 TotalDataCount;
+ __le32 MaxParameterCount;
+ __le32 MaxDataCount;
+ __le32 ParameterCount;
+ __le32 ParameterOffset;
+ __le32 DataCount;
+ __le32 DataOffset;
+ __u8 SetupCount; /* no setup words follow subcommand */
+ /* SNIA spec incorrectly included spurious pad here */
+ __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */
+ __le16 ByteCount; /* bcc = 3 + 8 */
__u8 Pad[3];
-} TRANSACT_IOCTL_RSP;
+ __u16 Fid;
+ __u16 Reserved2;
+ __le32 AclFlags;
+} __attribute__((packed)) QUERY_SEC_DESC_REQ;
+
+
+typedef struct smb_com_transaction_ssec_req {
+ struct smb_hdr hdr; /* wct = 19 */
+ __u8 MaxSetupCount;
+ __u16 Reserved;
+ __le32 TotalParameterCount;
+ __le32 TotalDataCount;
+ __le32 MaxParameterCount;
+ __le32 MaxDataCount;
+ __le32 ParameterCount;
+ __le32 ParameterOffset;
+ __le32 DataCount;
+ __le32 DataOffset;
+ __u8 SetupCount; /* no setup words follow subcommand */
+ /* SNIA spec incorrectly included spurious pad here */
+ __le16 SubCommand; /* 3 = SET_SECURITY_DESC */
+ __le16 ByteCount; /* bcc = 3 + 8 */
+ __u8 Pad[3];
+ __u16 Fid;
+ __u16 Reserved2;
+ __le32 AclFlags;
+} __attribute__((packed)) SET_SEC_DESC_REQ;
typedef struct smb_com_transaction_change_notify_req {
struct smb_hdr hdr; /* wct = 23 */
__u8 WatchTree; /* 1 = Monitor subdirectories */
__u8 Reserved2;
__le16 ByteCount;
-/* __u8 Pad[3];*/
+/* __u8 Pad[3];*/
/* __u8 Data[1];*/
-} TRANSACT_CHANGE_NOTIFY_REQ;
+} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;
+/* BB eventually change to use generic ntransact rsp struct
+ and validation routine */
typedef struct smb_com_transaction_change_notify_rsp {
struct smb_hdr hdr; /* wct = 18 */
__u8 Reserved[3];
__u8 SetupCount; /* 0 */
__u16 ByteCount;
/* __u8 Pad[3]; */
-} TRANSACT_CHANGE_NOTIFY_RSP;
+} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
/* Completion Filter flags for Notify */
#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
__le32 Action;
__le32 FileNameLength;
__u8 FileName[0];
-};
+} __attribute__((packed));
struct reparse_data {
__u32 ReparseTag;
__u16 TargetNameOffset;
__u16 TargetNameLen;
char LinkNamesBuf[1];
-};
+} __attribute__((packed));
struct cifs_quota_data {
__u32 rsrvd1; /* 0 */
__u64 soft_limit;
__u64 hard_limit;
char sid[1]; /* variable size? */
-};
+} __attribute__((packed));
/* quota sub commands */
#define QUOTA_LIST_CONTINUE 0
__u8 Reserved3;
__le16 SubCommand; /* 1st setup word - SetupCount words follow */
__le16 ByteCount;
-};
+} __attribute__((packed));
struct smb_t2_req {
struct smb_hdr hdr;
struct trans2_req t2_req;
-};
+} __attribute__((packed));
struct trans2_resp {
/* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
__u8 Reserved1;
/* SetupWords[SetupCount];
__u16 ByteCount;
- __u16 Reserved2;*/
+ __u16 Reserved2;*/
/* data area follows */
-};
+} __attribute__((packed));
struct smb_t2_rsp {
struct smb_hdr hdr;
struct trans2_resp t2_rsp;
-};
+} __attribute__((packed));
/* PathInfo/FileInfo infolevels */
#define SMB_INFO_STANDARD 1
#define SMB_QUERY_FILE_UNIX_BASIC 0x200
#define SMB_QUERY_FILE_UNIX_LINK 0x201
#define SMB_QUERY_POSIX_ACL 0x204
-#define SMB_QUERY_XATTR 0x205
+#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */
#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */
#define SMB_QUERY_POSIX_PERMISSION 0x207
#define SMB_QUERY_POSIX_LOCK 0x208
+/* #define SMB_POSIX_OPEN 0x209 */
+/* #define SMB_POSIX_UNLINK 0x20a */
+#define SMB_QUERY_FILE__UNIX_INFO2 0x20b
#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee
#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0
#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */
-#define SMB_QUERY_FILE_POSITION_INFO 0x3f6
+#define SMB_QUERY_FILE_POSITION_INFO 0x3f6
#define SMB_QUERY_FILE_MODE_INFO 0x3f8
-#define SMB_QUERY_FILE_ALGN_INFO 0x3f9
+#define SMB_QUERY_FILE_ALGN_INFO 0x3f9
#define SMB_SET_FILE_BASIC_INFO 0x101
#define SMB_SET_XATTR 0x205
#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */
#define SMB_SET_POSIX_LOCK 0x208
+#define SMB_POSIX_OPEN 0x209
+#define SMB_POSIX_UNLINK 0x20a
+#define SMB_SET_FILE_UNIX_INFO2 0x20b
#define SMB_SET_FILE_BASIC_INFO2 0x3ec
-#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo level too */
+#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */
#define SMB_FILE_ALL_INFO2 0x3fa
#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb
#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc
#define SMB_FILE_MAXIMUM_INFO 0x40d
/* Find File infolevels */
+#define SMB_FIND_FILE_INFO_STANDARD 0x001
+#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002
+#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003
#define SMB_FIND_FILE_DIRECTORY_INFO 0x101
#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
#define SMB_FIND_FILE_NAMES_INFO 0x103
__le16 InformationLevel;
__u32 Reserved4;
char FileName[1];
-} TRANSACTION2_QPI_REQ;
+} __attribute__((packed)) TRANSACTION2_QPI_REQ;
typedef struct smb_com_transaction2_qpi_rsp {
struct smb_hdr hdr; /* wct = 10 + SetupCount */
struct trans2_resp t2;
__u16 ByteCount;
- __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */
-} TRANSACTION2_QPI_RSP;
+ __u16 Reserved2; /* parameter word is present for infolevels > 100 */
+} __attribute__((packed)) TRANSACTION2_QPI_RSP;
typedef struct smb_com_transaction2_spi_req {
struct smb_hdr hdr; /* wct = 15 */
__le16 InformationLevel;
__u32 Reserved4;
char FileName[1];
-} TRANSACTION2_SPI_REQ;
+} __attribute__((packed)) TRANSACTION2_SPI_REQ;
typedef struct smb_com_transaction2_spi_rsp {
struct smb_hdr hdr; /* wct = 10 + SetupCount */
struct trans2_resp t2;
__u16 ByteCount;
- __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */
-} TRANSACTION2_SPI_RSP;
+ __u16 Reserved2; /* parameter word is present for infolevels > 100 */
+} __attribute__((packed)) TRANSACTION2_SPI_RSP;
struct set_file_rename {
__le32 overwrite; /* 1 = overwrite dest */
__u32 root_fid; /* zero */
__le32 target_name_len;
char target_name[0]; /* Must be unicode */
-};
+} __attribute__((packed));
struct smb_com_transaction2_sfi_req {
struct smb_hdr hdr; /* wct = 15 */
__u16 Pad1;
__u16 Fid;
__le16 InformationLevel;
- __u16 Reserved4;
-};
+ __u16 Reserved4;
+} __attribute__((packed));
struct smb_com_transaction2_sfi_rsp {
struct smb_hdr hdr; /* wct = 10 + SetupCount */
struct trans2_resp t2;
__u16 ByteCount;
- __u16 Reserved2; /* parameter word reserved -
+ __u16 Reserved2; /* parameter word reserved -
present for infolevels > 100 */
-};
+} __attribute__((packed));
struct smb_t2_qfi_req {
- struct smb_hdr hdr;
- struct trans2_req t2;
+ struct smb_hdr hdr;
+ struct trans2_req t2;
__u8 Pad;
__u16 Fid;
__le16 InformationLevel;
-};
+} __attribute__((packed));
struct smb_t2_qfi_rsp {
- struct smb_hdr hdr; /* wct = 10 + SetupCount */
- struct trans2_resp t2;
- __u16 ByteCount;
- __u16 Reserved2; /* parameter word reserved -
- present for infolevels > 100 */
-};
+ struct smb_hdr hdr; /* wct = 10 + SetupCount */
+ struct trans2_resp t2;
+ __u16 ByteCount;
+ __u16 Reserved2; /* parameter word reserved -
+ present for infolevels > 100 */
+} __attribute__((packed));
/*
- * Flags on T2 FINDFIRST and FINDNEXT
+ * Flags on T2 FINDFIRST and FINDNEXT
*/
#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001
#define CIFS_SEARCH_CLOSE_AT_END 0x0002
__le16 InformationLevel;
__le32 SearchStorageType;
char FileName[1];
-} TRANSACTION2_FFIRST_REQ;
+} __attribute__((packed)) TRANSACTION2_FFIRST_REQ;
typedef struct smb_com_transaction2_ffirst_rsp {
struct smb_hdr hdr; /* wct = 10 */
struct trans2_resp t2;
__u16 ByteCount;
-} TRANSACTION2_FFIRST_RSP;
+} __attribute__((packed)) TRANSACTION2_FFIRST_RSP;
typedef struct smb_com_transaction2_ffirst_rsp_parms {
__u16 SearchHandle;
__le16 EndofSearch;
__le16 EAErrorOffset;
__le16 LastNameOffset;
-} T2_FFIRST_RSP_PARMS;
+} __attribute__((packed)) T2_FFIRST_RSP_PARMS;
typedef struct smb_com_transaction2_fnext_req {
struct smb_hdr hdr; /* wct = 15 */
__u32 ResumeKey;
__le16 SearchFlags;
char ResumeFileName[1];
-} TRANSACTION2_FNEXT_REQ;
+} __attribute__((packed)) TRANSACTION2_FNEXT_REQ;
typedef struct smb_com_transaction2_fnext_rsp {
struct smb_hdr hdr; /* wct = 10 */
struct trans2_resp t2;
__u16 ByteCount;
-} TRANSACTION2_FNEXT_RSP;
+} __attribute__((packed)) TRANSACTION2_FNEXT_RSP;
typedef struct smb_com_transaction2_fnext_rsp_parms {
__le16 SearchCount;
__le16 EndofSearch;
__le16 EAErrorOffset;
__le16 LastNameOffset;
-} T2_FNEXT_RSP_PARMS;
+} __attribute__((packed)) T2_FNEXT_RSP_PARMS;
/* QFSInfo Levels */
#define SMB_INFO_ALLOCATION 1
#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
__le16 ByteCount;
__u8 Pad;
__le16 InformationLevel;
-} TRANSACTION2_QFSI_REQ;
+} __attribute__((packed)) TRANSACTION2_QFSI_REQ;
typedef struct smb_com_transaction_qfsi_rsp {
struct smb_hdr hdr; /* wct = 10 + SetupCount */
struct trans2_resp t2;
__u16 ByteCount;
- __u8 Pad; /* may be three bytes *//* followed by data area */
-} TRANSACTION2_QFSI_RSP;
-
+ __u8 Pad; /* may be three bytes? *//* followed by data area */
+} __attribute__((packed)) TRANSACTION2_QFSI_RSP;
+
+typedef struct whoami_rsp_data { /* Query level 0x202 */
+ __u32 flags; /* 0 = Authenticated user 1 = GUEST */
+ __u32 mask; /* which flags bits server understands ie 0x0001 */
+ __u64 unix_user_id;
+ __u64 unix_user_gid;
+ __u32 number_of_supplementary_gids; /* may be zero */
+ __u32 number_of_sids; /* may be zero */
+ __u32 length_of_sid_array; /* in bytes - may be zero */
+ __u32 pad; /* reserved - MBZ */
+ /* __u64 gid_array[0]; */ /* may be empty */
+ /* __u8 * psid_list */ /* may be empty */
+} __attribute__((packed)) WHOAMI_RSP_DATA;
/* SETFSInfo Levels */
#define SMB_SET_CIFS_UNIX_INFO 0x200
__le16 ClientUnixMajor; /* Data start. */
__le16 ClientUnixMinor;
__le64 ClientUnixCap; /* Data end */
-} TRANSACTION2_SETFSI_REQ;
+} __attribute__((packed)) TRANSACTION2_SETFSI_REQ;
typedef struct smb_com_transaction2_setfsi_rsp {
struct smb_hdr hdr; /* wct = 10 */
struct trans2_resp t2;
__u16 ByteCount;
-} TRANSACTION2_SETFSI_RSP;
+} __attribute__((packed)) TRANSACTION2_SETFSI_RSP;
typedef struct smb_com_transaction2_get_dfs_refer_req {
__u8 Reserved3;
__le16 SubCommand; /* one setup word */
__le16 ByteCount;
- __u8 Pad[3]; /* Win2K has sent 0x0F01 (max resp length perhaps?) followed by one byte pad - doesn't seem to matter though */
+ __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length
+ perhaps?) followed by one byte pad - doesn't
+ seem to matter though */
__le16 MaxReferralLevel;
char RequestFileName[1];
-} TRANSACTION2_GET_DFS_REFER_REQ;
+} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
+
+#define DFS_VERSION cpu_to_le16(0x0003)
+
+/* DFS server target type */
+#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */
+#define DFS_TYPE_ROOT 0x0001
+
+/* Referral Entry Flags */
+#define DFS_NAME_LIST_REF 0x0200
typedef struct dfs_referral_level_3 {
__le16 VersionNumber;
- __le16 ReferralSize;
- __le16 ServerType; /* 0x0001 = CIFS server */
- __le16 ReferralFlags; /* or proximity - not clear which since always set to zero - SNIA spec says 0x01 means strip off PathConsumed chars before submitting RequestFileName to remote node */
- __le16 TimeToLive;
- __le16 Proximity;
+ __le16 Size;
+ __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */
+ __le16 ReferralEntryFlags; /* 0x0200 bit set only for domain
+ or DC referral responce */
+ __le32 TimeToLive;
__le16 DfsPathOffset;
__le16 DfsAlternatePathOffset;
- __le16 NetworkAddressOffset;
-} REFERRAL3;
+ __le16 NetworkAddressOffset; /* offset of the link target */
+ __le16 ServiceSiteGuid;
+} __attribute__((packed)) REFERRAL3;
typedef struct smb_com_transaction_get_dfs_refer_rsp {
struct smb_hdr hdr; /* wct = 10 */
__u16 Pad2;
REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */
/* followed by the strings pointed to by the referral structures */
-} TRANSACTION2_GET_DFS_REFER_RSP;
+} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP;
/* DFS Flags */
#define DFSREF_REFERRAL_SERVER 0x0001
#define DFSREF_STORAGE_SERVER 0x0002
/* IOCTL information */
-/* List of ioctl function codes that look to be of interest to remote clients like this. */
-/* Need to do some experimentation to make sure they all work remotely. */
-/* Some of the following such as the encryption/compression ones would be */
-/* invoked from tools via a specialized hook into the VFS rather than via the */
-/* standard vfs entry points */
+/*
+ * List of ioctl function codes that look to be of interest to remote clients
+ * like this one. Need to do some experimentation to make sure they all work
+ * remotely. Some of the following, such as the encryption/compression ones
+ * would be invoked from tools via a specialized hook into the VFS rather
+ * than via the standard vfs entry points
+ */
#define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000
#define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004
#define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008
/*
************************************************************************
* All structs for everything above the SMB PDUs themselves
- * (such as the T2 level specific data) go here
+ * (such as the T2 level specific data) go here
************************************************************************
*/
unsigned char versionMinor;
unsigned long type;
unsigned int commentOffset;
-};
+} __attribute__((packed));
/*
* The following structure is the format of the data returned on a NetShareEnum
char pad;
unsigned short type;
unsigned int commentOffset;
-};
+} __attribute__((packed));
struct aliasInfo {
char aliasName[9];
char pad;
unsigned int commentOffset;
unsigned char type[2];
-};
+} __attribute__((packed));
struct aliasInfo92 {
int aliasNameOffset;
int serverNameOffset;
int shareNameOffset;
-};
+} __attribute__((packed));
typedef struct {
__le64 TotalAllocationUnits;
__le64 FreeAllocationUnits;
__le32 SectorsPerAllocationUnit;
__le32 BytesPerSector;
-} FILE_SYSTEM_INFO; /* size info, level 0x103 */
+} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */
typedef struct {
__le32 fsid;
__le32 TotalAllocationUnits;
__le32 FreeAllocationUnits;
__le16 BytesPerSector;
-} FILE_SYSTEM_ALLOC_INFO;
+} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO;
typedef struct {
__le16 MajorVersionNumber;
__le16 MinorVersionNumber;
__le64 Capability;
-} FILE_SYSTEM_UNIX_INFO; /* Unix extensions info, level 0x200 */
+} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/
/* Version numbers for CIFS UNIX major and minor. */
#define CIFS_UNIX_MAJOR_VERSION 1
#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */
#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */
#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */
-#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Use POSIX pathnames on the wire. */
+#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */
+#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based
+ calls including posix open
+ and posix unlink */
+#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up
+ to 0xFFFF00 */
+#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080
+#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */
+#define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */
+#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and
+ QFS PROXY call */
+#ifdef CONFIG_CIFS_POSIX
+/* Can not set pathnames cap yet until we send new posix create SMB since
+ otherwise server can treat such handles opened with older ntcreatex
+ (by a new client which knows how to send posix path ops)
+ as non-posix handles (can affect write behavior with byte range locks.
+ We can add back in POSIX_PATH_OPS cap when Posix Create/Mkdir finished */
+/* #define CIFS_UNIX_CAP_MASK 0x000000fb */
+#define CIFS_UNIX_CAP_MASK 0x000000db
+#else
+#define CIFS_UNIX_CAP_MASK 0x00000013
+#endif /* CONFIG_CIFS_POSIX */
+
#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */
typedef struct {
/* For undefined recommended transfer size return -1 in that field */
__le32 OptimalTransferSize; /* bsize on some os, iosize on other os */
- __le32 BlockSize;
+ __le32 BlockSize;
/* The next three fields are in terms of the block size.
(above). If block size is unknown, 4096 would be a
- reasonable block size for a server to report.
+ reasonable block size for a server to report.
Note that returning the blocks/blocksavail removes need
to make a second call (to QFSInfo level 0x103 to get this info.
UserBlockAvail is typically less than or equal to BlocksAvail,
__le64 FileSysIdentifier; /* fsid */
/* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
/* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
-} FILE_SYSTEM_POSIX_INFO;
+} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO;
/* DeviceType Flags */
#define FILE_DEVICE_CD_ROM 0x00000002
typedef struct {
__le32 DeviceType;
__le32 DeviceCharacteristics;
-} FILE_SYSTEM_DEVICE_INFO; /* device info, level 0x104 */
+} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */
typedef struct {
__le32 Attributes;
__le32 MaxPathNameComponentLength;
__le32 FileSystemNameLen;
- char FileSystemName[52]; /* do not really need to save this - so potentially get only subset of name */
-} FILE_SYSTEM_ATTRIBUTE_INFO;
+ char FileSystemName[52]; /* do not have to save this - get subset? */
+} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO;
/******************************************************************************/
/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */
__le32 AlignmentRequirement;
__le32 FileNameLength;
char FileName[1];
-} FILE_ALL_INFO; /* level 0x107 QPathInfo */
+} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */
/* defines for enumerating possible values of the Unix type field below */
#define UNIX_FILE 0
__u64 UniqueId;
__le64 Permissions;
__le64 Nlinks;
-} FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
+} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
typedef struct {
char LinkDest[1];
-} FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */
+} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */
/* The following three structures are needed only for
setting time to NT4 and some older servers via
__u16 Day:5;
__u16 Month:4;
__u16 Year:7;
-} SMB_DATE;
+} __attribute__((packed)) SMB_DATE;
typedef struct {
__u16 TwoSeconds:5;
__u16 Minutes:6;
__u16 Hours:5;
-} SMB_TIME;
+} __attribute__((packed)) SMB_TIME;
typedef struct {
__le16 CreationDate; /* SMB Date see above */
__le32 AllocationSize;
__le16 Attributes; /* verify not u32 */
__le32 EASize;
-} FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */
+} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */
typedef struct {
__le64 CreationTime;
__le64 ChangeTime;
__le32 Attributes;
__u32 Pad;
-} FILE_BASIC_INFO; /* size info, level 0x101 */
+} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */
struct file_allocation_info {
__le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
-}; /* size used on disk, level 0x103 for set, 0x105 for query */
+} __attribute__((packed)); /* size used on disk, for level 0x103 for set,
+ 0x105 for query */
struct file_end_of_file_info {
__le64 FileSize; /* offset to end of file */
-}; /* size info, level 0x104 for set, 0x106 for query */
+} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */
struct file_alt_name_info {
__u8 alt_name[1];
-}; /* level 0x0108 */
+} __attribute__((packed)); /* level 0x0108 */
struct file_stream_info {
__le32 number_of_streams; /* BB check sizes and verify location */
- /* followed by info on streams themselves
+ /* followed by info on streams themselves
u64 size;
- u64 allocation_size
+ u64 allocation_size
stream info */
}; /* level 0x109 */
__u8 ch_shift;
__u8 cl_shift;
__u8 pad[3];
-}; /* level 0x10b */
+} __attribute__((packed)); /* level 0x10b */
/* POSIX ACL set/query path info structures */
#define CIFS_ACL_VERSION 1
__u8 cifs_e_tag;
__u8 cifs_e_perm;
__le64 cifs_uid; /* or gid */
-};
+} __attribute__((packed));
struct cifs_posix_acl { /* access conrol list (ACL) */
__le16 version;
struct cifs_posix_ace ace_array[0];
/* followed by
struct cifs_posix_ace default_ace_arraay[] */
-}; /* level 0x204 */
+} __attribute__((packed)); /* level 0x204 */
/* types of access control entries already defined in posix_acl.h */
/* #define CIFS_POSIX_ACL_USER_OBJ 0x01
/* end of POSIX ACL definitions */
+/* POSIX Open Flags */
+#define SMB_O_RDONLY 0x1
+#define SMB_O_WRONLY 0x2
+#define SMB_O_RDWR 0x4
+#define SMB_O_CREAT 0x10
+#define SMB_O_EXCL 0x20
+#define SMB_O_TRUNC 0x40
+#define SMB_O_APPEND 0x80
+#define SMB_O_SYNC 0x100
+#define SMB_O_DIRECTORY 0x200
+#define SMB_O_NOFOLLOW 0x400
+#define SMB_O_DIRECT 0x800
+
+typedef struct {
+ __le32 OpenFlags; /* same as NT CreateX */
+ __le32 PosixOpenFlags;
+ __le64 Permissions;
+ __le16 Level; /* reply level requested (see QPathInfo levels) */
+} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */
+
+typedef struct {
+ __le16 OplockFlags;
+ __u16 Fid;
+ __le32 CreateAction;
+ __le16 ReturnedLevel;
+ __le16 Pad;
+ /* struct following varies based on requested level */
+} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */
+
+#define SMB_POSIX_UNLINK_FILE_TARGET 0
+#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1
+
+struct unlink_psx_rq { /* level 0x20a SetPathInfo */
+ __le16 type;
+} __attribute__((packed));
+
struct file_internal_info {
__u64 UniqueId; /* inode number */
-}; /* level 0x3ee */
+} __attribute__((packed)); /* level 0x3ee */
+
struct file_mode_info {
__le32 Mode;
-}; /* level 0x3f8 */
+} __attribute__((packed)); /* level 0x3f8 */
struct file_attrib_tag {
__le32 Attribute;
__le32 ReparseTag;
-}; /* level 0x40b */
+} __attribute__((packed)); /* level 0x40b */
/********************************************************/
-/* FindFirst/FindNext transact2 data buffer formats */
+/* FindFirst/FindNext transact2 data buffer formats */
/********************************************************/
typedef struct {
__le64 Permissions;
__le64 Nlinks;
char FileName[1];
-} FILE_UNIX_INFO; /* level 0x202 */
+} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */
typedef struct {
__le32 NextEntryOffset;
__le32 ExtFileAttributes;
__le32 FileNameLength;
char FileName[1];
-} FILE_DIRECTORY_INFO; /* level 0x101 FF response data area */
+} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */
typedef struct {
__le32 NextEntryOffset;
__le32 FileNameLength;
__le32 EaSize; /* length of the xattrs */
char FileName[1];
-} FILE_FULL_DIRECTORY_INFO; /* level 0x102 FF response data area */
+} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */
typedef struct {
__le32 NextEntryOffset;
__le32 Reserved;
__u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
char FileName[1];
-} SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF response data area */
+} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */
typedef struct {
__le32 NextEntryOffset;
__le64 EndOfFile;
__le64 AllocationSize;
__le32 ExtFileAttributes;
- __le32 FileNameLength;
+ __le32 FileNameLength;
__le32 EaSize; /* length of the xattrs */
__u8 ShortNameLength;
__u8 Reserved;
__u8 ShortName[12];
char FileName[1];
-} FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FF response data area */
+} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */
+
+typedef struct {
+ __u32 ResumeKey;
+ __le16 CreationDate; /* SMB Date */
+ __le16 CreationTime; /* SMB Time */
+ __le16 LastAccessDate;
+ __le16 LastAccessTime;
+ __le16 LastWriteDate;
+ __le16 LastWriteTime;
+ __le32 DataSize; /* File Size (EOF) */
+ __le32 AllocationSize;
+ __le16 Attributes; /* verify not u32 */
+ __u8 FileNameLength;
+ char FileName[1];
+} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */
+struct win_dev {
+ unsigned char type[8]; /* IntxCHR or IntxBLK */
+ __le64 major;
+ __le64 minor;
+} __attribute__((packed));
+
struct gea {
unsigned char name_len;
char name[1];
-};
+} __attribute__((packed));
struct gealist {
unsigned long list_len;
struct gea list[1];
-};
+} __attribute__((packed));
struct fea {
unsigned char EA_flags;
__le16 value_len;
char name[1];
/* optionally followed by value */
-};
+} __attribute__((packed));
/* flags for _FEA.fEA */
#define FEA_NEEDEA 0x80 /* need EA bit */
struct fealist {
__le32 list_len;
struct fea list[1];
-};
+} __attribute__((packed));
/* used to hold an arbitrary blob of data */
struct data_blob {
__u8 *data;
size_t length;
- void (*free) (struct data_blob * data_blob);
-};
+ void (*free) (struct data_blob *data_blob);
+} __attribute__((packed));
#ifdef CONFIG_CIFS_POSIX
-/*
+/*
For better POSIX semantics from Linux client, (even better
than the existing CIFS Unix Extensions) we need updated PDUs for:
-
+
1) PosixCreateX - to set and return the mode, inode#, device info and
perhaps add a CreateDevice - to create Pipes and other special .inodes
Also note POSIX open flags
- 2) Close - to return the last write time to do cache across close more safely
- 3) FindFirst return unique inode number - what about resume key, two
+ 2) Close - to return the last write time to do cache across close
+ more safely
+ 3) FindFirst return unique inode number - what about resume key, two
forms short (matches readdir) and full (enough info to cache inodes)
4) Mkdir - set mode
-
- And under consideration:
+
+ And under consideration:
5) FindClose2 (return nanosecond timestamp ??)
- 6) Use nanosecond timestamps throughout all time fields if
+ 6) Use nanosecond timestamps throughout all time fields if
corresponding attribute flag is set
7) sendfile - handle based copy
8) Direct i/o
9) Misc fcntls?
-
+
what about fixing 64 bit alignment
-
+
There are also various legacy SMB/CIFS requests used as is
-
+
From existing Lanman and NTLM dialects:
--------------------------------------
NEGOTIATE
TRANSACTION2 (18 cases)
SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
(BB verify that never need to set allocation size)
- SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via Unix ext?)
-
+ SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via
+ Unix ext?)
+
COPY (note support for copy across directories) - FUTURE, OPTIONAL
setting/getting OS/2 EAs - FUTURE (BB can this handle
setting Linux xattrs perfectly) - OPTIONAL
dnotify - FUTURE, OPTIONAL
quota - FUTURE, OPTIONAL
-
- Note that various requests implemented for NT interop such as
+
+ Note that various requests implemented for NT interop such as
NT_TRANSACT (IOCTL) QueryReparseInfo
are unneeded to servers compliant with the CIFS POSIX extensions
-
+
From CIFS Unix Extensions:
-------------------------
T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks
T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2)
T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK)
- T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) - BB check for missing inode fields
- Actually need QUERY_FILE_UNIX_INFO since has inode num
- BB what about a) blksize/blkbits/blocks
- b) i_version
- c) i_rdev
- d) notify mask?
- e) generation
- f) size_seqcount
+ T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing
+ inode fields
+ Actually a need QUERY_FILE_UNIX_INFO
+ since has inode num
+ BB what about a) blksize/blkbits/blocks
+ b) i_version
+ c) i_rdev
+ d) notify mask?
+ e) generation
+ f) size_seqcount
T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
- TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended
+ TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended
T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
-
-
*/
/* xsymlink is a symlink format (used by MacOS) that can be used
- to save symlink info in a regular file when
+ to save symlink info in a regular file when
mounted to operating systems that do not
support the cifs Unix extensions or EAs (for xattr
based symlinks). For such a file to be recognized
- as containing symlink data:
+ as containing symlink data:
- 1) file size must be 1067,
+ 1) file size must be 1067,
2) signature must begin file data,
3) length field must be set to ASCII representation
- of a number which is less than or equal to 1024,
+ of a number which is less than or equal to 1024,
4) md5 must match that of the path data */
struct xsymlink {
char length[4];
char cr1; /* \n */
/* md5 of valid subset of path ie path[0] through path[length-1] */
- __u8 md5[32];
+ __u8 md5[32];
char cr2; /* \n */
/* if room left, then end with \n then 0x20s by convention but not required */
- char path[1024];
-};
+ char path[1024];
+} __attribute__((packed));
typedef struct file_xattr_info {
/* BB do we need another field for flags? BB */
__u32 xattr_value_len;
char xattr_name[0];
/* followed by xattr_value[xattr_value_len], no pad */
-} FILE_XATTR_INFO; /* extended attribute, info level 0x205 */
+} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info
+ level 0x205 */
/* flags for chattr command */
typedef struct file_chattr_info {
__le64 mask; /* list of all possible attribute bits */
__le64 mode; /* list of actual attribute bits on this inode */
-} FILE_CHATTR_INFO; /* ext attributes (chattr, chflags) level 0x206 */
-
-#endif
+} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes
+ (chattr, chflags) level 0x206 */
-#pragma pack() /* resume default structure packing */
+#endif
#endif /* _CIFSPDU_H */