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| author |   Steve French <stfrench@microsoft.com> | 2021-06-22 13:56:20 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2021-06-23 13:05:17 -0500 |
| commit | 2438c0bd598b5547333e0e3c1581da078569f130 (patch) | |
| tree | 71dfb02c2338d6cc04bb297cd5541cc89c9966d7 | |
| parent | cifs: fix NULL dereference in smb2_check_message() (diff) | |
| download | linux-dev-2438c0bd598b5547333e0e3c1581da078569f130.tar.xz linux-dev-2438c0bd598b5547333e0e3c1581da078569f130.zip | |
SMB3: Add new info level for query directory
The recently updated MS-SMB2 (June 2021) added protocol definitions
for a new level 60 for query directory (FileIdExtdDirectoryInformation).
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/cifs/readdir.c | 2 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.h | 39 |
2 files changed, 38 insertions, 3 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 00b6b953d13c..bfee176b901d 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -309,7 +309,7 @@ static void cifs_fulldir_info_to_fattr(struct cifs_fattr *fattr, { __dir_info_to_fattr(fattr, info); - /* See MS-FSCC 2.4.18 FileIdFullDirectoryInformation */ + /* See MS-FSCC 2.4.19 FileIdFullDirectoryInformation */ if (fattr->cf_cifsattrs & ATTR_REPARSE) fattr->cf_cifstag = le32_to_cpu(info->EaSize); cifs_fill_common_info(fattr, cifs_sb); diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 653486243cdf..a5c48b85549a 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -264,7 +264,7 @@ struct share_redirect_error_context_rsp { __le32 NotificationType; __le32 ResourceNameOffset; __le32 ResourceNameLength; - __le16 Flags; + __le16 Reserved; __le16 TargetType; __le32 IPAddrCount; struct move_dst_ipaddr IpAddrMoveList[]; @@ -1448,6 +1448,22 @@ struct smb2_echo_rsp { #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2 +/* + * Valid FileInformation classes. + * + * Note that these are a subset of the (file) QUERY_INFO levels defined + * later in this file (but since QUERY_DIRECTORY uses equivalent numbers + * we do not redefine them here) + * + * FileDirectoryInfomation 0x01 + * FileFullDirectoryInformation 0x02 + * FileIdFullDirectoryInformation 0x26 + * FileBothDirectoryInformation 0x03 + * FileIdBothDirectoryInformation 0x25 + * FileNamesInformation 0x0C + * FileIdExtdDirectoryInformation 0x3C + */ + struct smb2_query_directory_req { struct smb2_sync_hdr sync_hdr; __le16 StructureSize; /* Must be 33 */ @@ -1684,6 +1700,7 @@ struct smb3_fs_vol_info { #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 #define FILE_STANDARD_LINK_INFORMATION 54 #define FILE_ID_INFORMATION 59 +#define FILE_ID_EXTD_DIRECTORY_INFORMATION 60 struct smb2_file_internal_info { __le64 IndexNumber; @@ -1764,13 +1781,31 @@ struct smb2_file_network_open_info { __le32 Reserved; } __packed; /* level 34 Query also similar returned in close rsp and open rsp */ -/* See MS-FSCC 2.4.43 */ +/* See MS-FSCC 2.4.21 */ struct smb2_file_id_information { __le64 VolumeSerialNumber; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ } __packed; /* level 59 */ +/* See MS-FSCC 2.4.18 */ +struct smb2_file_id_extd_directory_info { + __le32 NextEntryOffset; + __u32 FileIndex; + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le64 EndOfFile; + __le64 AllocationSize; + __le32 FileAttributes; + __le32 FileNameLength; + __le32 EaSize; /* EA size */ + __le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */ + __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */ + char FileName[1]; +} __packed; /* level 60 */ + extern char smb2_padding[7]; /* equivalent of the contents of SMB3.1.1 POSIX open context response */ |