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3 smb3 client fixes

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Merge tag 'v6.19-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

 - important fix for reconnect problem

 - minor cleanup

* tag 'v6.19-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module version number
  smb: move some SMB1 definitions into common/smb1pdu.h
  smb: align durable reconnect v2 context to 8 byte boundary
This commit is contained in:
Linus Torvalds 2025-12-19 07:50:20 +12:00
commit a91e1138b7
6 changed files with 61 additions and 45 deletions
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4
fs/smb/client/cifsfs.h
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@ -145,6 +145,6 @@ extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
/* when changing internal version - update following two lines at same time */
#define SMB3_PRODUCT_BUILD 57
#define CIFS_VERSION "2.57"
#define SMB3_PRODUCT_BUILD 58
#define CIFS_VERSION "2.58"
#endif /* _CIFSFS_H */

2
fs/smb/client/cifspdu.h
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@ -12,7 +12,7 @@
#include <net/sock.h>
#include <linux/unaligned.h>
#include "../common/smbfsctl.h"
#include "../common/smb2pdu.h"
#include "../common/smb1pdu.h"
#define CIFS_PROT 0
#define POSIX_PROT (CIFS_PROT+1)

56
fs/smb/common/smb1pdu.h Normal file
View File

@ -0,0 +1,56 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
*
* Copyright (C) International Business Machines Corp., 2002,2009
* 2018 Samsung Electronics Co., Ltd.
* Author(s): Steve French <sfrench@us.ibm.com>
* Namjae Jeon <linkinjeon@kernel.org>
*
*/
#ifndef _COMMON_SMB1_PDU_H
#define _COMMON_SMB1_PDU_H
#define SMB1_PROTO_NUMBER cpu_to_le32(0x424d53ff)
/*
* See MS-CIFS 2.2.3.1
* MS-SMB 2.2.3.1
*/
struct smb_hdr {
__u8 Protocol[4];
__u8 Command;
union {
struct {
__u8 ErrorClass;
__u8 Reserved;
__le16 Error;
} __packed DosError;
__le32 CifsError;
} __packed Status;
__u8 Flags;
__le16 Flags2; /* note: le */
__le16 PidHigh;
union {
struct {
__le32 SequenceNumber; /* le */
__u32 Reserved; /* zero */
} __packed Sequence;
__u8 SecuritySignature[8]; /* le */
} __packed Signature;
__u8 pad[2];
__u16 Tid;
__le16 Pid;
__u16 Uid;
__le16 Mid;
__u8 WordCount;
} __packed;
/* See MS-CIFS 2.2.4.52.1 */
typedef struct smb_negotiate_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
unsigned char DialectsArray[];
} __packed SMB_NEGOTIATE_REQ;
#endif /* _COMMON_SMB1_PDU_H */

41
fs/smb/common/smb2pdu.h
View File

@ -1293,6 +1293,7 @@ struct create_durable_handle_reconnect_v2 {
struct create_context_hdr ccontext;
__u8 Name[8];
struct durable_reconnect_context_v2 dcontext;
__u8 Pad[4];
} __packed;
/* See MS-SMB2 2.2.14.2.12 */
@ -1985,39 +1986,6 @@ struct smb2_lease_ack {
__le64 LeaseDuration;
} __packed;
/*
* See MS-CIFS 2.2.3.1
* MS-SMB 2.2.3.1
*/
struct smb_hdr {
__u8 Protocol[4];
__u8 Command;
union {
struct {
__u8 ErrorClass;
__u8 Reserved;
__le16 Error;
} __packed DosError;
__le32 CifsError;
} __packed Status;
__u8 Flags;
__le16 Flags2; /* note: le */
__le16 PidHigh;
union {
struct {
__le32 SequenceNumber; /* le */
__u32 Reserved; /* zero */
} __packed Sequence;
__u8 SecuritySignature[8]; /* le */
} __packed Signature;
__u8 pad[2];
__u16 Tid;
__le16 Pid;
__u16 Uid;
__le16 Mid;
__u8 WordCount;
} __packed;
#define OP_BREAK_STRUCT_SIZE_20 24
#define OP_BREAK_STRUCT_SIZE_21 36
@ -2122,11 +2090,4 @@ struct smb_hdr {
#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \
| READ_CONTROL | SYNCHRONIZE)
/* See MS-CIFS 2.2.4.52.1 */
typedef struct smb_negotiate_req {
struct smb_hdr hdr; /* wct = 0 */
__le16 ByteCount;
unsigned char DialectsArray[];
} __packed SMB_NEGOTIATE_REQ;
#endif /* _COMMON_SMB2PDU_H */

2
fs/smb/common/smbglob.h
View File

@ -11,8 +11,6 @@
#ifndef _COMMON_SMB_GLOB_H
#define _COMMON_SMB_GLOB_H
#define SMB1_PROTO_NUMBER cpu_to_le32(0x424d53ff)
struct smb_version_values {
char *version_string;
__u16 protocol_id;

1
fs/smb/server/smb_common.h
View File

@ -10,6 +10,7 @@
#include "glob.h"
#include "../common/smbglob.h"
#include "../common/smb1pdu.h"
#include "../common/smb2pdu.h"
#include "../common/fscc.h"
#include "smb2pdu.h"