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| author | Steve French <stfrench@microsoft.com> | 2020-03-17 09:53:39 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-03-23 06:49:10 +0300 |
| commit | 8895c66f2b4026346572fd9e92692c06cd9f845c (patch) | |
| tree | 85adf1dacea2d03fc5f2296dc39d9f33539d5add | |
| parent | 8f233431310b17b4c89ccf273360d0ee4eda5e3d (diff) | |
| download | linux-8895c66f2b4026346572fd9e92692c06cd9f845c.tar.xz | |
SMB3: Minor cleanup of protocol definitions
And add one missing define (COMPRESSION_TRANSFORM_ID) and
flag (TRANSFORM_FLAG_ENCRYPTED)
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/cifs/smb2pdu.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 8b9f546dd842..dda928d05c13 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -91,6 +91,7 @@ #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) +#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc) /* * SMB2 Header Definition @@ -127,13 +128,15 @@ struct smb2_sync_pdu { #define SMB3_AES128CCM_NONCE 11 #define SMB3_AES128GCM_NONCE 12 +/* Transform flags (for 3.0 dialect this flag indicates CCM */ +#define TRANSFORM_FLAG_ENCRYPTED 0x0001 struct smb2_transform_hdr { __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */ __u8 Signature[16]; __u8 Nonce[16]; __le32 OriginalMessageSize; __u16 Reserved1; - __le16 Flags; /* EncryptionAlgorithm */ + __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */ __u64 SessionId; } __packed; @@ -207,6 +210,10 @@ struct smb2_error_context_rsp { __u8 ErrorContextData; /* ErrorDataLength long array */ } __packed; +/* ErrorId values */ +#define SMB2_ERROR_ID_DEFAULT 0x00000000 +#define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */ + /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */ #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001) #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002) @@ -427,7 +434,7 @@ struct smb2_logoff_rsp { struct smb2_tree_connect_req { struct smb2_sync_hdr sync_hdr; __le16 StructureSize; /* Must be 9 */ - __le16 Reserved; /* Flags in SMB3.1.1 */ + __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */ __le16 PathOffset; __le16 PathLength; __u8 Buffer[1]; /* variable length */ @@ -654,7 +661,7 @@ struct smb2_tree_disconnect_rsp { | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) -/* Impersonation Levels */ +/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */ #define IL_ANONYMOUS cpu_to_le32(0x00000000) #define IL_IDENTIFICATION cpu_to_le32(0x00000001) #define IL_IMPERSONATION cpu_to_le32(0x00000002) @@ -760,7 +767,7 @@ struct create_context { #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02) #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04) -#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02) +#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002) #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004) #define SMB2_LEASE_KEY_SIZE 16 |