Attachment 8471 Details for Bug 9572 – git-am fix for 4.0.x and master

[patch] git-am fix for 4.0.x and master

bug-9572.patchset (text/plain), 3.63 KB, created by Jeremy Allison on 2013-01-23 18:19:08 UTC

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Creator: Jeremy Allison

Created: 2013-01-23 18:19:08 UTC

Size: 3.63 KB

patch

obsolete

>From 251a376c41ff4882d120c5b472e6d6080add975c Mon Sep 17 00:00:00 2001
>From: Jeremy Allison <jra@samba.org>
>Date: Tue, 22 Jan 2013 12:38:28 -0800
>Subject: [PATCH 1/2] Revert "s3:smbd: SMB ReadX with size > 0xffff should
> only possible for samba clients."
>
>Part of fix for bug #9572 -  File corruption during SMB1 read by Mac OSX 10.8.2 clients
>
>This reverts commit f8c26c16b82989e002b839fc9eba6386fc036f6a.
>---
> source3/smbd/reply.c |   11 +----------
> 1 files changed, 1 insertions(+), 10 deletions(-)
>
>diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
>index b511025..210b701 100644
>--- a/source3/smbd/reply.c
>+++ b/source3/smbd/reply.c
>@@ -3854,7 +3854,6 @@ nosendfile_read:
> 
> void reply_read_and_X(struct smb_request *req)
> {
>-	struct smbd_server_connection *sconn = req->sconn;
> 	connection_struct *conn = req->conn;
> 	files_struct *fsp;
> 	off_t startpos;
>@@ -3893,15 +3892,7 @@ void reply_read_and_X(struct smb_request *req)
> 		return;
> 	}
> 
>-	if ((sconn->smb1.unix_info.client_cap_low & CIFS_UNIX_LARGE_READ_CAP) ||
>-	    (get_remote_arch() == RA_SAMBA)) {
>-		/*
>-		 * This is Samba only behavior (up to Samba 3.6)!
>-		 *
>-		 * Windows 2008 R2 ignores the upper_size,
>-		 * so we do unless unix extentions are active
>-		 * or "smbclient" is talking to us.
>-		 */
>+	if (global_client_caps & CAP_LARGE_READX) {
> 		size_t upper_size = SVAL(req->vwv+7, 0);
> 		smb_maxcnt |= (upper_size<<16);
> 		if (upper_size > 1) {
>-- 
>1.7.7.3
>
>
>From 05b067afd6af4daff0f05af241d031e6df1e3b4e Mon Sep 17 00:00:00 2001
>From: Jeremy Allison <jra@samba.org>
>Date: Wed, 23 Jan 2013 09:57:50 -0800
>Subject: [PATCH 2/2] Fix bug #9572 - File corruption during SMB1 read by Mac
> OSX 10.8.2 clients.
>
>Accept a large read if we told the client we have UNIX extensions
>and the client sent a non-zero upper 16-bit size.
>
>Do the non-zero upper 16-bit size check first to save a function
>call in what is a hot path.
>
>Signed-off-by: Jeremy Allison <jra@samba.org>
>---
> source3/smbd/reply.c |   25 +++++++++++++++++++++++--
> 1 files changed, 23 insertions(+), 2 deletions(-)
>
>diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
>index 210b701..d76b0a6 100644
>--- a/source3/smbd/reply.c
>+++ b/source3/smbd/reply.c
>@@ -3849,6 +3849,26 @@ nosendfile_read:
> }
> 
> /****************************************************************************
>+ MacOSX clients send large reads without telling us they are going to do that.
>+ Bug #9572 - File corruption during SMB1 read by Mac OSX 10.8.2 clients
>+ Allow this if we are talking to a Samba client, or if we told the client
>+ we supported this.
>+****************************************************************************/
>+
>+static bool server_will_accept_large_read(struct smb_request *req)
>+{
>+	/* Samba client ? No problem. */
>+	if (get_remote_arch() == RA_SAMBA) {
>+		return true;
>+	}
>+	/* Need UNIX extensions. */
>+	if (!lp_unix_extensions()) {
>+		return false;
>+	}
>+	return true;
>+}
>+
>+/****************************************************************************
>  Reply to a read and X.
> ****************************************************************************/
> 
>@@ -3858,6 +3878,7 @@ void reply_read_and_X(struct smb_request *req)
> 	files_struct *fsp;
> 	off_t startpos;
> 	size_t smb_maxcnt;
>+	size_t upper_size;
> 	bool big_readX = False;
> #if 0
> 	size_t smb_mincnt = SVAL(req->vwv+6, 0);
>@@ -3892,8 +3913,8 @@ void reply_read_and_X(struct smb_request *req)
> 		return;
> 	}
> 
>-	if (global_client_caps & CAP_LARGE_READX) {
>-		size_t upper_size = SVAL(req->vwv+7, 0);
>+	upper_size = SVAL(req->vwv+7, 0);
>+	if ((upper_size != 0) && server_will_accept_large_read(req)) {
> 		smb_maxcnt |= (upper_size<<16);
> 		if (upper_size > 1) {
> 			/* Can't do this on a chained packet. */
>-- 
>1.7.7.3
>

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Attachments on bug 9572: 8447 | 8471 | 8472 | 8477