Attachment 15072 Details for Bug 13863 – Patch for v4-9-test

Patch for v4-9-test

tmp49.diff.txt (text/plain), 2.83 KB, created by Stefan Metzmacher on 2019-04-15 14:00:55 UTC

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Creator: Stefan Metzmacher

Created: 2019-04-15 14:00:55 UTC

Size: 2.83 KB

patch

obsolete

>From 40677a591ec9810b01325ae7ca47e6efe2f12ba9 Mon Sep 17 00:00:00 2001
>From: Stefan Metzmacher <metze@samba.org>
>Date: Wed, 16 Jan 2019 12:24:04 +0100
>Subject: [PATCH] smb2_server: grant all 8192 credits to clients
>
>This seems to match Windows Server 2016.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13863
>
>Signed-off-by: Stefan Metzmacher <metze@samba.org>
>Reviewed-by: Ralph Boehme <slow@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>(cherry picked from commit 829f692fb1552e56c6a9726036a995b4328731dd)
>---
> selftest/knownfail         |  3 ---
> source3/smbd/smb2_server.c | 17 ++++++++++++-----
> 2 files changed, 12 insertions(+), 8 deletions(-)
>
>diff --git a/selftest/knownfail b/selftest/knownfail
>index baf3d57a31a0..f850d9e1a871 100644
>--- a/selftest/knownfail
>+++ b/selftest/knownfail
>@@ -327,9 +327,6 @@
> ^samba.tests.dcerpc.dnsserver.samba.tests.dcerpc.dnsserver.DnsserverTests.test_add_duplicate_different_type.*
> ^samba.tests.dcerpc.dnsserver.samba.tests.dcerpc.dnsserver.DnsserverTests.test_rank_none.*
> ^samba.tests.dcerpc.dnsserver.samba.tests.dcerpc.dnsserver.DnsserverTests.test_security_descriptor.*
>-^samba3.smb2.credits.session_setup_credits_granted.*
>-^samba3.smb2.credits.single_req_credits_granted.*
>-^samba3.smb2.credits.skipped_mid.*
> ^samba4.blackbox.dbcheck-links.release-4-5-0-pre1.dbcheck_dangling_multi_valued_clean
> ^samba4.blackbox.dbcheck-links.release-4-5-0-pre1.dangling_multi_valued_check_missing
> #
>diff --git a/source3/smbd/smb2_server.c b/source3/smbd/smb2_server.c
>index f59b94c11050..cfcc5c135437 100644
>--- a/source3/smbd/smb2_server.c
>+++ b/source3/smbd/smb2_server.c
>@@ -829,8 +829,11 @@ static void smb2_set_operation_credit(struct smbXsrv_connection *xconn,
> 	 *       of requests and the used sequence number.
> 	 *       Which means we would grant more credits
> 	 *       for client which use multi credit requests.
>+	 *
>+	 * The above is what Windows Server < 2016 is doing,
>+	 * but new servers use all credits (8192 by default).
> 	 */
>-	current_max_credits = xconn->smb2.credits.max / 16;
>+	current_max_credits = xconn->smb2.credits.max;
> 	current_max_credits = MAX(current_max_credits, 1);
> 
> 	if (xconn->smb2.credits.multicredit) {
>@@ -875,15 +878,19 @@ static void smb2_set_operation_credit(struct smbXsrv_connection *xconn,
> 			 * with a successful session setup
> 			 */
> 			if (NT_STATUS_IS_OK(out_status)) {
>-				additional_max = 32;
>+				additional_max = xconn->smb2.credits.max;
> 			}
> 			break;
> 		default:
> 			/*
>-			 * We match windows and only grant additional credits
>-			 * in chunks of 32.
>+			 * Windows Server < 2016 and older Samba versions
>+			 * used to only grant additional credits in
>+			 * chunks of 32 credits.
>+			 *
>+			 * But we match Windows Server 2016 and grant
>+			 * all credits as requested.
> 			 */
>-			additional_max = 32;
>+			additional_max = xconn->smb2.credits.max;
> 			break;
> 		}
> 
>-- 
>2.17.1
>

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