From patchwork Thu Nov 9 01:14:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 10049919 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9B630601EB for ; Thu, 9 Nov 2017 01:15:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8D63E2A304 for ; Thu, 9 Nov 2017 01:15:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8229629A61; Thu, 9 Nov 2017 01:15:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0726D29A61 for ; Thu, 9 Nov 2017 01:15:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752405AbdKIBPK (ORCPT ); Wed, 8 Nov 2017 20:15:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:34158 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752256AbdKIBPK (ORCPT ); Wed, 8 Nov 2017 20:15:10 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 462B74E90E; Thu, 9 Nov 2017 01:15:10 +0000 (UTC) Received: from test1190.test.redhat.com (vpn2-54-81.bne.redhat.com [10.64.54.81]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3995A6BF93; Thu, 9 Nov 2017 01:15:08 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 08/19] cifs: remove rfc1002 header from smb2_sess_setup_req Date: Thu, 9 Nov 2017 12:14:22 +1100 Message-Id: <20171109011433.14468-9-lsahlber@redhat.com> In-Reply-To: <20171109011433.14468-1-lsahlber@redhat.com> References: <20171109011433.14468-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 09 Nov 2017 01:15:10 +0000 (UTC) Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Ronnie Sahlberg Reviewed-by: Aurelien Aptel --- fs/cifs/smb2pdu.c | 27 +++++++++++++-------------- fs/cifs/smb2pdu.h | 2 +- 2 files changed, 14 insertions(+), 15 deletions(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 6e08b609d9c0..7c281af5f37f 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -802,20 +802,22 @@ 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) @@ -829,8 +831,8 @@ 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. @@ -856,18 +858,15 @@ 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)); @@ -1088,7 +1087,7 @@ 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 b22bf8c6753e..e7acfa5e3fa6 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;