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path: root/fs/cifs/smb2pdu.h
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Diffstat (limited to 'fs/cifs/smb2pdu.h')
-rw-r--r--fs/cifs/smb2pdu.h84
1 files changed, 37 insertions, 47 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index d28f358022c5..a345560001ce 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -122,25 +122,10 @@ struct smb2_sync_pdu {
__le16 StructureSize2; /* size of wct area (varies, request specific) */
} __packed;
-struct smb2_hdr {
- __be32 smb2_buf_length; /* big endian on wire */
- /* length is only two or three bytes - with */
- /* one or two byte type preceding it that MBZ */
- struct smb2_sync_hdr sync_hdr;
-} __packed;
-
-struct smb2_pdu {
- struct smb2_hdr hdr;
- __le16 StructureSize2; /* size of wct area (varies, request specific) */
-} __packed;
-
#define SMB3_AES128CMM_NONCE 11
#define SMB3_AES128GCM_NONCE 12
struct smb2_transform_hdr {
- __be32 smb2_buf_length; /* big endian on wire */
- /* length is only two or three bytes - with
- one or two byte type preceding it that MBZ */
__le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
__u8 Signature[16];
__u8 Nonce[16];
@@ -171,7 +156,7 @@ struct smb2_transform_hdr {
#define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
struct smb2_err_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize;
__le16 Reserved; /* MBZ */
__le32 ByteCount; /* even if zero, at least one byte follows */
@@ -300,8 +285,16 @@ struct smb2_encryption_neg_context {
__le16 Ciphers[1]; /* Ciphers[0] since only one used now */
} __packed;
+#define POSIX_CTXT_DATA_LEN 8
+struct smb2_posix_neg_context {
+ __le16 ContextType; /* 0x100 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le64 Reserved1; /* In case needed for future (eg version or caps) */
+} __packed;
+
struct smb2_negotiate_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 65 */
__le16 SecurityMode;
__le16 DialectRevision;
@@ -341,7 +334,7 @@ struct smb2_sess_setup_req {
#define SMB2_SESSION_FLAG_IS_NULL 0x0002
#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
struct smb2_sess_setup_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 9 */
__le16 SessionFlags;
__le16 SecurityBufferOffset;
@@ -356,7 +349,7 @@ struct smb2_logoff_req {
} __packed;
struct smb2_logoff_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
@@ -452,7 +445,7 @@ struct smb2_tree_connect_req_extension {
} __packed;
struct smb2_tree_connect_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 16 */
__u8 ShareType; /* see below */
__u8 Reserved;
@@ -503,7 +496,7 @@ struct smb2_tree_disconnect_req {
} __packed;
struct smb2_tree_disconnect_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
@@ -615,7 +608,9 @@ struct smb2_tree_disconnect_rsp {
#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"
#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
#define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74
-#define SVHDX_OPEN_DEVICE_CONTEXT 0x83CE6F1AD851E0986E34401CC9BCFCE9
+#define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83
+#define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C
+
struct smb2_create_req {
struct smb2_sync_hdr sync_hdr;
@@ -638,7 +633,7 @@ struct smb2_create_req {
} __packed;
struct smb2_create_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 89 */
__u8 OplockLevel;
__u8 Reserved;
@@ -727,6 +722,13 @@ struct create_durable {
} Data;
} __packed;
+struct create_posix {
+ struct create_context ccontext;
+ __u8 Name[16];
+ __le32 Mode;
+ __u32 Reserved;
+} __packed;
+
/* See MS-SMB2 2.2.13.2.11 */
/* Flags */
#define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
@@ -894,7 +896,7 @@ struct smb2_ioctl_req {
} __packed;
struct smb2_ioctl_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 57 */
__u16 Reserved;
__le32 CtlCode;
@@ -921,7 +923,7 @@ struct smb2_close_req {
} __packed;
struct smb2_close_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* 60 */
__le16 Flags;
__le32 Reserved;
@@ -944,7 +946,7 @@ struct smb2_flush_req {
} __packed;
struct smb2_flush_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize;
__le16 Reserved;
} __packed;
@@ -976,7 +978,7 @@ struct smb2_read_plain_req {
} __packed;
struct smb2_read_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 17 */
__u8 DataOffset;
__u8 Reserved;
@@ -1007,7 +1009,7 @@ struct smb2_write_req {
} __packed;
struct smb2_write_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 17 */
__u8 DataOffset;
__u8 Reserved;
@@ -1041,7 +1043,7 @@ struct smb2_lock_req {
} __packed;
struct smb2_lock_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
@@ -1053,7 +1055,7 @@ struct smb2_echo_req {
} __packed;
struct smb2_echo_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 4 */
__u16 Reserved;
} __packed;
@@ -1079,7 +1081,7 @@ struct smb2_query_directory_req {
} __packed;
struct smb2_query_directory_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
@@ -1128,7 +1130,7 @@ struct smb2_query_info_req {
} __packed;
struct smb2_query_info_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
@@ -1150,12 +1152,11 @@ struct smb2_set_info_req {
} __packed;
struct smb2_set_info_rsp {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 2 */
} __packed;
-/* oplock break without an rfc1002 header */
-struct smb2_oplock_break_req {
+struct smb2_oplock_break {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 24 */
__u8 OplockLevel;
@@ -1165,21 +1166,10 @@ struct smb2_oplock_break_req {
__u64 VolatileFid;
} __packed;
-/* oplock break with an rfc1002 header */
-struct smb2_oplock_break_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 24 */
- __u8 OplockLevel;
- __u8 Reserved;
- __le32 Reserved2;
- __u64 PersistentFid;
- __u64 VolatileFid;
-} __packed;
-
#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
struct smb2_lease_break {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 44 */
__le16 Reserved;
__le32 Flags;
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-14 17:19:16 +0300