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bind/SOURCES/bind-9.16-CVE-2022-3094-2.patch
CentOS Sources 65241299a1 import bind-9.16.23-11.el9
2023-05-09 06:20:29 +00:00

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From 7fe2204a2e8952bf892e4a70fea2ef5167e1f509 Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Thu, 1 Sep 2022 16:22:46 -0700
Subject: [PATCH] add a configuration option for the update quota
add an "update-quota" option to configure the update quota.
(cherry picked from commit f57758a7303ad0034ff2ff08eaaf2ef899630f19)
---
bin/named/config.c | 1 +
bin/named/named.conf.rst | 9 +++++----
bin/named/server.c | 1 +
bin/tests/system/checkconf/good.conf | 1 +
doc/arm/reference.rst | 7 ++++++-
doc/man/named.conf.5in | 9 +++++----
doc/misc/master.zoneopt.rst | 2 +-
doc/misc/options | 1 +
doc/misc/options.active | 1 +
doc/misc/options.grammar.rst | 3 ++-
doc/misc/slave.zoneopt.rst | 2 +-
lib/isccfg/namedconf.c | 1 +
12 files changed, 26 insertions(+), 12 deletions(-)
diff --git a/bin/named/config.c b/bin/named/config.c
index 5fedee84d9..494147015f 100644
--- a/bin/named/config.c
+++ b/bin/named/config.c
@@ -130,6 +130,7 @@ options {\n\
transfers-out 10;\n\
transfers-per-ns 2;\n\
trust-anchor-telemetry yes;\n\
+ update-quota 100;\n\
\n\
/* view */\n\
allow-new-zones no;\n\
diff --git a/bin/named/named.conf.rst b/bin/named/named.conf.rst
index 27eed5ca3e..4c9f9a7370 100644
--- a/bin/named/named.conf.rst
+++ b/bin/named/named.conf.rst
@@ -179,7 +179,7 @@ OPTIONS
answer-cookie boolean;
attach-cache string;
auth-nxdomain boolean; // default changed
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off );// deprecated
automatic-interface-scan boolean;
avoid-v4-udp-ports { portrange; ... };
avoid-v6-udp-ports { portrange; ... };
@@ -446,6 +446,7 @@ OPTIONS
trust-anchor-telemetry boolean; // experimental
try-tcp-refresh boolean;
update-check-ksk boolean;
+ update-quota integer;
use-alt-transfer-source boolean;
use-v4-udp-ports { portrange; ... };
use-v6-udp-ports { portrange; ... };
@@ -584,7 +585,7 @@ VIEW
* ) ] [ dscp integer ];
attach-cache string;
auth-nxdomain boolean; // default changed
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off );// deprecated
cache-file quoted_string;// deprecated
catalog-zones { zone string [ default-masters [ port integer ]
[ dscp integer ] { ( remote-servers | ipv4_address [ port
@@ -859,7 +860,7 @@ VIEW
integer | * ) ] [ dscp integer ];
alt-transfer-source-v6 ( ipv6_address | * ) [ port (
integer | * ) ] [ dscp integer ];
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off );// deprecated
check-dup-records ( fail | warn | ignore );
check-integrity boolean;
check-mx ( fail | warn | ignore );
@@ -977,7 +978,7 @@ ZONE
] [ dscp integer ];
alt-transfer-source-v6 ( ipv6_address | * ) [ port ( integer |
* ) ] [ dscp integer ];
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off );// deprecated
check-dup-records ( fail | warn | ignore );
check-integrity boolean;
check-mx ( fail | warn | ignore );
diff --git a/bin/named/server.c b/bin/named/server.c
index 20443ff8a9..78a21d62a2 100644
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -8542,6 +8542,7 @@ load_configuration(const char *filename, named_server_t *server,
configure_server_quota(maps, "tcp-clients", &server->sctx->tcpquota);
configure_server_quota(maps, "recursive-clients",
&server->sctx->recursionquota);
+ configure_server_quota(maps, "update-quota", &server->sctx->updquota);
max = isc_quota_getmax(&server->sctx->recursionquota);
if (max > 1000) {
diff --git a/bin/tests/system/checkconf/good.conf b/bin/tests/system/checkconf/good.conf
index b1f7059acf..0ecdb68e95 100644
--- a/bin/tests/system/checkconf/good.conf
+++ b/bin/tests/system/checkconf/good.conf
@@ -75,6 +75,7 @@ options {
recursive-clients 3000;
serial-query-rate 100;
server-id none;
+ update-quota 200;
check-names primary warn;
check-names secondary ignore;
max-cache-size 20000000000000;
diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst
index 2603d60251..703663d0ba 100644
--- a/doc/arm/reference.rst
+++ b/doc/arm/reference.rst
@@ -3151,6 +3151,11 @@ system.
value as ``tcp-keepalive-timeout``. This value can be updated at
runtime by using ``rndc tcp-timeouts``.
+``update-quota``
+ This is the maximum number of simultaneous DNS UPDATE messages that
+ the server will accept for updating local authoritiative zones or
+ forwarding to a primary server. The default is ``100``.
+
.. _intervals:
Periodic Task Intervals
@@ -6840,7 +6845,7 @@ Name Server Statistics Counters
``UpdateQuota``
This indicates the number of times a dynamic update or update
forwarding request was rejected because the number of pending
- requests exceeded the update quota.
+ requests exceeded ``update-quota``.
``RateDropped``
This indicates the number of responses dropped due to rate limits.
diff --git a/doc/man/named.conf.5in b/doc/man/named.conf.5in
index 4c46f47592..c87afa2881 100644
--- a/doc/man/named.conf.5in
+++ b/doc/man/named.conf.5in
@@ -231,7 +231,7 @@ options {
answer\-cookie boolean;
attach\-cache string;
auth\-nxdomain boolean; // default changed
- auto\-dnssec ( allow | maintain | off );
+ auto\-dnssec ( allow | maintain | off );// deprecated
automatic\-interface\-scan boolean;
avoid\-v4\-udp\-ports { portrange; ... };
avoid\-v6\-udp\-ports { portrange; ... };
@@ -498,6 +498,7 @@ options {
trust\-anchor\-telemetry boolean; // experimental
try\-tcp\-refresh boolean;
update\-check\-ksk boolean;
+ update\-quota integer;
use\-alt\-transfer\-source boolean;
use\-v4\-udp\-ports { portrange; ... };
use\-v6\-udp\-ports { portrange; ... };
@@ -668,7 +669,7 @@ view string [ class ] {
* ) ] [ dscp integer ];
attach\-cache string;
auth\-nxdomain boolean; // default changed
- auto\-dnssec ( allow | maintain | off );
+ auto\-dnssec ( allow | maintain | off );// deprecated
cache\-file quoted_string;// deprecated
catalog\-zones { zone string [ default\-masters [ port integer ]
[ dscp integer ] { ( remote\-servers | ipv4_address [ port
@@ -943,7 +944,7 @@ view string [ class ] {
integer | * ) ] [ dscp integer ];
alt\-transfer\-source\-v6 ( ipv6_address | * ) [ port (
integer | * ) ] [ dscp integer ];
- auto\-dnssec ( allow | maintain | off );
+ auto\-dnssec ( allow | maintain | off );// deprecated
check\-dup\-records ( fail | warn | ignore );
check\-integrity boolean;
check\-mx ( fail | warn | ignore );
@@ -1065,7 +1066,7 @@ zone string [ class ] {
] [ dscp integer ];
alt\-transfer\-source\-v6 ( ipv6_address | * ) [ port ( integer |
* ) ] [ dscp integer ];
- auto\-dnssec ( allow | maintain | off );
+ auto\-dnssec ( allow | maintain | off );// deprecated
check\-dup\-records ( fail | warn | ignore );
check\-integrity boolean;
check\-mx ( fail | warn | ignore );
diff --git a/doc/misc/master.zoneopt.rst b/doc/misc/master.zoneopt.rst
index 8fc7e1b4f0..346d59813e 100644
--- a/doc/misc/master.zoneopt.rst
+++ b/doc/misc/master.zoneopt.rst
@@ -20,7 +20,7 @@
also-notify [ port <integer> ] [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ];
alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ];
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off ); // deprecated
check-dup-records ( fail | warn | ignore );
check-integrity <boolean>;
check-mx ( fail | warn | ignore );
diff --git a/doc/misc/options b/doc/misc/options
index f57399499a..0dbcf101e1 100644
--- a/doc/misc/options
+++ b/doc/misc/options
@@ -404,6 +404,7 @@ options {
trust-anchor-telemetry <boolean>; // experimental
try-tcp-refresh <boolean>;
update-check-ksk <boolean>;
+ update-quota <integer>;
use-alt-transfer-source <boolean>;
use-id-pool <boolean>; // ancient
use-ixfr <boolean>; // obsolete
diff --git a/doc/misc/options.active b/doc/misc/options.active
index 5fc1ab29f4..eb75a86eae 100644
--- a/doc/misc/options.active
+++ b/doc/misc/options.active
@@ -363,6 +363,7 @@ options {
trust-anchor-telemetry <boolean>; // experimental
try-tcp-refresh <boolean>;
update-check-ksk <boolean>;
+ update-quota <integer>;
use-alt-transfer-source <boolean>;
use-v4-udp-ports { <portrange>; ... };
use-v6-udp-ports { <portrange>; ... };
diff --git a/doc/misc/options.grammar.rst b/doc/misc/options.grammar.rst
index 438072c95c..beef35341a 100644
--- a/doc/misc/options.grammar.rst
+++ b/doc/misc/options.grammar.rst
@@ -33,7 +33,7 @@
answer-cookie <boolean>;
attach-cache <string>;
auth-nxdomain <boolean>; // default changed
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off ); // deprecated
automatic-interface-scan <boolean>;
avoid-v4-udp-ports { <portrange>; ... };
avoid-v6-udp-ports { <portrange>; ... };
@@ -300,6 +300,7 @@
trust-anchor-telemetry <boolean>; // experimental
try-tcp-refresh <boolean>;
update-check-ksk <boolean>;
+ update-quota <integer>;
use-alt-transfer-source <boolean>;
use-v4-udp-ports { <portrange>; ... };
use-v6-udp-ports { <portrange>; ... };
diff --git a/doc/misc/slave.zoneopt.rst b/doc/misc/slave.zoneopt.rst
index cc72dcbf67..468a7f4d9a 100644
--- a/doc/misc/slave.zoneopt.rst
+++ b/doc/misc/slave.zoneopt.rst
@@ -21,7 +21,7 @@
also-notify [ port <integer> ] [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ];
alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ];
- auto-dnssec ( allow | maintain | off );
+ auto-dnssec ( allow | maintain | off ); // deprecated
check-names ( fail | warn | ignore );
database <string>;
dialup ( notify | notify-passive | passive | refresh | <boolean> );
diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c
index 45de0196bf..6e63d86816 100644
--- a/lib/isccfg/namedconf.c
+++ b/lib/isccfg/namedconf.c
@@ -1267,6 +1267,7 @@ static cfg_clausedef_t options_clauses[] = {
{ "transfers-out", &cfg_type_uint32, 0 },
{ "transfers-per-ns", &cfg_type_uint32, 0 },
{ "treat-cr-as-space", &cfg_type_boolean, CFG_CLAUSEFLAG_ANCIENT },
+ { "update-quota", &cfg_type_uint32, 0 },
{ "use-id-pool", &cfg_type_boolean, CFG_CLAUSEFLAG_ANCIENT },
{ "use-ixfr", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
{ "use-v4-udp-ports", &cfg_type_bracketed_portlist, 0 },
--
2.39.1
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