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authorRonnie Sahlberg <lsahlber@redhat.com>2017-11-20 11:24:36 +1100
committerSteve French <smfrench@gmail.com>2018-01-24 19:49:04 -0600
commit88ea5cb7d4cc816b1e629cfc3477ceeb99fd248c (patch)
tree9dce0292b4094e5e5392c40be87baec9304faa17 /fs
parent661bb943a98de5b3cf7c7ffc2d96141df4ac842e (diff)
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cifs: remove rfc1002 header from smb2_sess_setup_req
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/smb2pdu.c27
-rw-r--r--fs/cifs/smb2pdu.h2
2 files changed, 14 insertions, 15 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index db7410462dc3..544daec74de0 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -808,20 +808,22 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data)
struct cifs_ses *ses = sess_data->ses;
struct smb2_sess_setup_req *req;
struct TCP_Server_Info *server = ses->server;
+ unsigned int total_len;
- rc = small_smb2_init(SMB2_SESSION_SETUP, NULL, (void **) &req);
+ rc = smb2_plain_req_init(SMB2_SESSION_SETUP, NULL, (void **) &req,
+ &total_len);
if (rc)
return rc;
/* First session, not a reauthenticate */
- req->hdr.sync_hdr.SessionId = 0;
+ req->sync_hdr.SessionId = 0;
/* if reconnect, we need to send previous sess id, otherwise it is 0 */
req->PreviousSessionId = sess_data->previous_session;
req->Flags = 0; /* MBZ */
/* to enable echos and oplocks */
- req->hdr.sync_hdr.CreditRequest = cpu_to_le16(3);
+ req->sync_hdr.CreditRequest = cpu_to_le16(3);
/* only one of SMB2 signing flags may be set in SMB2 request */
if (server->sign)
@@ -835,8 +837,8 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data)
req->Channel = 0; /* MBZ */
sess_data->iov[0].iov_base = (char *)req;
- /* 4 for rfc1002 length field and 1 for pad */
- sess_data->iov[0].iov_len = get_rfc1002_length(req) + 4 - 1;
+ /* 1 for pad */
+ sess_data->iov[0].iov_len = total_len - 1;
/*
* This variable will be used to clear the buffer
* allocated above in case of any error in the calling function.
@@ -862,18 +864,15 @@ SMB2_sess_sendreceive(struct SMB2_sess_data *sess_data)
/* Testing shows that buffer offset must be at location of Buffer[0] */
req->SecurityBufferOffset =
- cpu_to_le16(sizeof(struct smb2_sess_setup_req) -
- 1 /* pad */ - 4 /* rfc1001 len */);
+ cpu_to_le16(sizeof(struct smb2_sess_setup_req) - 1 /* pad */);
req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len);
- inc_rfc1001_len(req, sess_data->iov[1].iov_len - 1 /* pad */);
-
/* BB add code to build os and lm fields */
- rc = SendReceive2(sess_data->xid, sess_data->ses,
- sess_data->iov, 2,
- &sess_data->buf0_type,
- CIFS_LOG_ERROR | CIFS_NEG_OP, &rsp_iov);
+ rc = smb2_send_recv(sess_data->xid, sess_data->ses,
+ sess_data->iov, 2,
+ &sess_data->buf0_type,
+ CIFS_LOG_ERROR | CIFS_NEG_OP, &rsp_iov);
cifs_small_buf_release(sess_data->iov[0].iov_base);
memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec));
@@ -1094,7 +1093,7 @@ SMB2_sess_auth_rawntlmssp_authenticate(struct SMB2_sess_data *sess_data)
goto out;
req = (struct smb2_sess_setup_req *) sess_data->iov[0].iov_base;
- req->hdr.sync_hdr.SessionId = ses->Suid;
+ req->sync_hdr.SessionId = ses->Suid;
rc = build_ntlmssp_auth_blob(&ntlmssp_blob, &blob_length, ses,
sess_data->nls_cp);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index f708f978dcf1..4f80b95d02ae 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -282,7 +282,7 @@ struct smb2_negotiate_rsp {
#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
struct smb2_sess_setup_req {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 25 */
__u8 Flags;
__u8 SecurityMode;