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-rw-r--r--fs/cifs/smb2pdu.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 6183b1b7550..f88320bbb47 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -122,6 +122,23 @@ struct smb2_pdu {
__le16 StructureSize2; /* size of wct area (varies, request specific) */
} __packed;
+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 */
+ __u8 ProtocolId[4]; /* 0xFD 'S' 'M' 'B' */
+ __u8 Signature[16];
+ __u8 Nonce[11];
+ __u8 Reserved[5];
+ __le32 OriginalMessageSize;
+ __u16 Reserved1;
+ __le16 EncryptionAlgorithm;
+ __u64 SessionId;
+} __packed;
+
+/* Encryption Algorithms */
+#define SMB2_ENCRYPTION_AES128_CCM __constant_cpu_to_le16(0x0001)
+
/*
* SMB2 flag definitions
*/
@@ -237,6 +254,7 @@ struct smb2_sess_setup_req {
/* Currently defined SessionFlags */
#define SMB2_SESSION_FLAG_IS_GUEST 0x0001
#define SMB2_SESSION_FLAG_IS_NULL 0x0002
+#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
struct smb2_sess_setup_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
@@ -534,9 +552,16 @@ struct create_durable {
} Data;
} __packed;
+#define COPY_CHUNK_RES_KEY_SIZE 24
+struct resume_key_req {
+ char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
+ __le32 ContextLength; /* MBZ */
+ char Context[0]; /* ignored, Windows sets to 4 bytes of zero */
+} __packed;
+
/* this goes in the ioctl buffer when doing a copychunk request */
struct copychunk_ioctl {
- char SourceKey[24];
+ char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
__le32 ChunkCount; /* we are only sending 1 */
__le32 Reserved;
/* array will only be one chunk long for us */
@@ -546,6 +571,12 @@ struct copychunk_ioctl {
__u32 Reserved2;
} __packed;
+struct copychunk_ioctl_rsp {
+ __le32 ChunksWritten;
+ __le32 ChunkBytesWritten;
+ __le32 TotalBytesWritten;
+} __packed;
+
/* Response and Request are the same format */
struct validate_negotiate_info {
__le32 Capabilities;