dnsmasq: bump to latest patches on 2.80rc2
Refresh patches and backport upstream to current HEAD: a997ca0 Fix sometimes missing DNSSEC RRs when DNSSEC validation not enabled. 51e4eee Fix address-dependent domains for IPv6. 05ff659 Fix stupid infinite loop introduced by preceding commit. db0f488 Handle some corner cases in RA contructed interfaces with addresses changing interface. 7dcca6c Warn about the impact of cache-size on performance. 090856c Allow zone transfer in authoritative mode whenever auth-peer is specified. cc5cc8f Sane error message when pcap file header is wrong. c488b68 Handle standard and contructed dhcp-ranges on the same interface. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This commit is contained in:
Kevin Darbyshire-Bryant
parent
abeae38dbb
commit
fbf475403b
19 changed files with 406 additions and 11 deletions
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=dnsmasq
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PKG_NAME:=dnsmasq
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PKG_VERSION:=2.80test2
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PKG_VERSION:=2.80test2
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PKG_RELEASE:=3
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PKG_RELEASE:=4
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
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PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/test-releases
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PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/test-releases
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@ -1,7 +1,7 @@
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From f84e674d8aa2316fea8d2145a40fcef0441e3856 Mon Sep 17 00:00:00 2001
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From f84e674d8aa2316fea8d2145a40fcef0441e3856 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 4 May 2018 16:29:57 +0100
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Date: Fri, 4 May 2018 16:29:57 +0100
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Subject: [PATCH 01/10] Be persistent with broken-upstream-DNSSEC warnings.
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Subject: [PATCH 01/17] Be persistent with broken-upstream-DNSSEC warnings.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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---
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@ -1,7 +1,7 @@
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From 0669ee7a69a004ce34fed41e50aa575f8e04427b Mon Sep 17 00:00:00 2001
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From 0669ee7a69a004ce34fed41e50aa575f8e04427b Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 4 May 2018 16:46:24 +0100
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Date: Fri, 4 May 2018 16:46:24 +0100
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Subject: [PATCH 02/10] Fix DHCP broken-ness when --no-ping AND
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Subject: [PATCH 02/17] Fix DHCP broken-ness when --no-ping AND
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--dhcp-sequential-ip are set.
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--dhcp-sequential-ip are set.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -1,7 +1,7 @@
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From 07ed585c38d8f7c0a18470d2e79cf46ea92ea96a Mon Sep 17 00:00:00 2001
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From 07ed585c38d8f7c0a18470d2e79cf46ea92ea96a Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 4 May 2018 21:52:22 +0100
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Date: Fri, 4 May 2018 21:52:22 +0100
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Subject: [PATCH 03/10] Add logging for DNS error returns from upstream and
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Subject: [PATCH 03/17] Add logging for DNS error returns from upstream and
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local configuration.
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local configuration.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -1,7 +1,7 @@
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From 6b17335209639a56f214d011eaed4ebcde8dd276 Mon Sep 17 00:00:00 2001
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From 6b17335209639a56f214d011eaed4ebcde8dd276 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Tue, 8 May 2018 18:32:14 +0100
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Date: Tue, 8 May 2018 18:32:14 +0100
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Subject: [PATCH 04/10] Add packet-dump debugging facility.
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Subject: [PATCH 04/17] Add packet-dump debugging facility.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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---
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@ -1,7 +1,7 @@
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From 34e26e14c5e0fb2d5f05f67858319c9db2058333 Mon Sep 17 00:00:00 2001
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From 34e26e14c5e0fb2d5f05f67858319c9db2058333 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Thu, 10 May 2018 20:54:57 +0100
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Date: Thu, 10 May 2018 20:54:57 +0100
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Subject: [PATCH 05/10] Retry query to other servers on receipt of SERVFAIL
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Subject: [PATCH 05/17] Retry query to other servers on receipt of SERVFAIL
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rcode.
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rcode.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -1,7 +1,7 @@
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From a0088e83640d7d1544127dd668660462e9f78e52 Mon Sep 17 00:00:00 2001
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From a0088e83640d7d1544127dd668660462e9f78e52 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Thu, 10 May 2018 21:43:14 +0100
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Date: Thu, 10 May 2018 21:43:14 +0100
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Subject: [PATCH 06/10] Handle query retry on REFUSED or SERVFAIL for
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Subject: [PATCH 06/17] Handle query retry on REFUSED or SERVFAIL for
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DNSSEC-generated queries.
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DNSSEC-generated queries.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -1,7 +1,7 @@
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From 1f60a18ea1c64beb8b6cffa0650a2bfad95ac352 Mon Sep 17 00:00:00 2001
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From 1f60a18ea1c64beb8b6cffa0650a2bfad95ac352 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 11 May 2018 16:44:16 +0100
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Date: Fri, 11 May 2018 16:44:16 +0100
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Subject: [PATCH 07/10] Retry SERVFAIL DNSSEC queries to a different server, if
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Subject: [PATCH 07/17] Retry SERVFAIL DNSSEC queries to a different server, if
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possible.
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possible.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -1,7 +1,7 @@
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From e27825b0ef1e79ab05b1752c8c838cb43ad39d79 Mon Sep 17 00:00:00 2001
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From e27825b0ef1e79ab05b1752c8c838cb43ad39d79 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 11 May 2018 17:20:47 +0100
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Date: Fri, 11 May 2018 17:20:47 +0100
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Subject: [PATCH 08/10] Fix logging in previous.
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Subject: [PATCH 08/17] Fix logging in previous.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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---
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@ -1,7 +1,7 @@
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From 0a496f059c1e9d75c33cce4c1211d58422ba4f62 Mon Sep 17 00:00:00 2001
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From 0a496f059c1e9d75c33cce4c1211d58422ba4f62 Mon Sep 17 00:00:00 2001
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From: Maarten de Vries <maarten+dnsmasq@m.de-vri.es>
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From: Maarten de Vries <maarten+dnsmasq@m.de-vri.es>
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Date: Fri, 11 May 2018 23:20:58 +0100
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Date: Fri, 11 May 2018 23:20:58 +0100
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Subject: [PATCH 09/10] Do unsolicited RAs for interfaces which appear after
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Subject: [PATCH 09/17] Do unsolicited RAs for interfaces which appear after
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dnsmasq startup.
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dnsmasq startup.
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I noticed that dnsmasq often wasn't sending any unsolicited RAs for me.
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I noticed that dnsmasq often wasn't sending any unsolicited RAs for me.
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@ -1,7 +1,7 @@
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From 1f1873aadd092a0fab505dd278a484d887ba0ec3 Mon Sep 17 00:00:00 2001
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From 1f1873aadd092a0fab505dd278a484d887ba0ec3 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Fri, 11 May 2018 23:38:23 +0100
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Date: Fri, 11 May 2018 23:38:23 +0100
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Subject: [PATCH 10/10] Log warning on very large cachesize config, instead of
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Subject: [PATCH 10/17] Log warning on very large cachesize config, instead of
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truncating it.
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truncating it.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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@ -0,0 +1,70 @@
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From c488b68e75ee5304007eef37203c4fc10193d191 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Sat, 2 Jun 2018 13:06:00 +0100
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Subject: [PATCH 11/17] Handle standard and contructed dhcp-ranges on the same
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interface.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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CHANGELOG | 6 ++++++
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src/dhcp6.c | 29 +++++++++++++++++------------
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2 files changed, 23 insertions(+), 12 deletions(-)
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -23,6 +23,12 @@ version 2.80
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which packets should be dumped is given by the --dumpmask
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option.
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+ Handle the case of both standard and constructed dhcp-ranges on the
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+ same interface better. We don't now contruct a dhcp-range if there's
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+ already one specified. This allows the specified interface to
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+ have different parameters and avoids advertising the same
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+ prefix twice. Thanks to Luis Marsano for spotting this case.
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+
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version 2.79
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Fix parsing of CNAME arguments, which are confused by extra spaces.
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--- a/src/dhcp6.c
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+++ b/src/dhcp6.c
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@@ -667,23 +667,28 @@ static int construct_worker(struct in6_a
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end6 = *local;
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setaddr6part(&end6, addr6part(&template->end6));
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+ /* If there's an absolute address context covering this address
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+ then don't contruct one as well. */
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for (context = daemon->dhcp6; context; context = context->next)
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- if ((context->flags & CONTEXT_CONSTRUCTED) &&
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+ if (!(context->flags & CONTEXT_TEMPLATE) &&
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IN6_ARE_ADDR_EQUAL(&start6, &context->start6) &&
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IN6_ARE_ADDR_EQUAL(&end6, &context->end6))
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{
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- int flags = context->flags;
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- context->flags &= ~(CONTEXT_GC | CONTEXT_OLD);
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- if (flags & CONTEXT_OLD)
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+ if (context->flags & CONTEXT_CONSTRUCTED)
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{
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- /* address went, now it's back */
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- log_context(AF_INET6, context);
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- /* fast RAs for a while */
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- ra_start_unsolicited(param->now, context);
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- param->newone = 1;
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- /* Add address to name again */
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- if (context->flags & CONTEXT_RA_NAME)
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- param->newname = 1;
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+ int cflags = context->flags;
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+ context->flags &= ~(CONTEXT_GC | CONTEXT_OLD);
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+ if (cflags & CONTEXT_OLD)
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+ {
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+ /* address went, now it's back */
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+ log_context(AF_INET6, context);
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+ /* fast RAs for a while */
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+ ra_start_unsolicited(param->now, context);
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+ param->newone = 1;
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+ /* Add address to name again */
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+ if (context->flags & CONTEXT_RA_NAME)
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+ param->newname = 1;
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+ }
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}
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break;
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}
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@ -0,0 +1,25 @@
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From cc5cc8f1e0b4deaaea4cbefe677989b186c84837 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Sat, 2 Jun 2018 14:45:17 +0100
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Subject: [PATCH 12/17] Sane error message when pcap file header is wrong.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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src/dump.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- a/src/dump.c
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+++ b/src/dump.c
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@@ -64,9 +64,10 @@ void dump_init(void)
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die(_("cannot create %s: %s"), daemon->dump_file, EC_FILE);
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}
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else if ((daemon->dumpfd = open(daemon->dump_file, O_APPEND | O_RDWR)) == -1 ||
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- !read_write(daemon->dumpfd, (void *)&header, sizeof(header), 1) ||
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- header.magic_number != 0xa1b2c3d4)
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+ !read_write(daemon->dumpfd, (void *)&header, sizeof(header), 1))
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die(_("cannot access %s: %s"), daemon->dump_file, EC_FILE);
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+ else if (header.magic_number != 0xa1b2c3d4)
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+ die(_("bad header in %s"), daemon->dump_file, EC_FILE);
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else
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{
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/* count existing records */
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@ -0,0 +1,55 @@
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From 090856c7e6d483bc4d7ec41f55208a9842769c45 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Sat, 2 Jun 2018 18:37:07 +0100
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Subject: [PATCH 13/17] Allow zone transfer in authoritative mode whenever
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auth-peer is specified.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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CHANGELOG | 4 ++++
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man/dnsmasq.8 | 6 +++++-
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src/auth.c | 5 +++--
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3 files changed, 12 insertions(+), 3 deletions(-)
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -29,6 +29,10 @@ version 2.80
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have different parameters and avoids advertising the same
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prefix twice. Thanks to Luis Marsano for spotting this case.
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+ Allow zone transfer in authoritative mode if auth-peer is specified,
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+ even if auth-sec-servers is not. Thanks to Raphaël Halimi for
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+ the suggestion.
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+
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version 2.79
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Fix parsing of CNAME arguments, which are confused by extra spaces.
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--- a/man/dnsmasq.8
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+++ b/man/dnsmasq.8
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@@ -817,7 +817,11 @@ authoritative zones as dnsmasq.
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Specify the addresses of secondary servers which are allowed to
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initiate zone transfer (AXFR) requests for zones for which dnsmasq is
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authoritative. If this option is not given, then AXFR requests will be
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-accepted from any secondary.
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+accepted from any secondary. Specifying
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+.B auth-peer
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+without
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+.B auth-sec-servers
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+enables zone transfer but does not advertise the secondary in NS records returned by dnsmasq.
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.TP
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.B --conntrack
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Read the Linux connection track mark associated with incoming DNS
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--- a/src/auth.c
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+++ b/src/auth.c
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@@ -436,8 +436,9 @@ size_t answer_auth(struct dns_header *he
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if (sockaddr_isequal(peer_addr, &peers->addr))
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break;
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- /* Refuse all AXFR unless --auth-sec-servers is set */
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- if ((!peers && daemon->auth_peers) || !daemon->secondary_forward_server)
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+ /* Refuse all AXFR unless --auth-sec-servers or auth-peers is set */
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+ if ((!daemon->secondary_forward_server && !daemon->auth_peers) ||
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+ (daemon->auth_peers && !peers))
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{
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if (peer_addr->sa.sa_family == AF_INET)
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inet_ntop(AF_INET, &peer_addr->in.sin_addr, daemon->addrbuff, ADDRSTRLEN);
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@ -0,0 +1,47 @@
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From 7dcca6c62211e60905e2252a185bede909391877 Mon Sep 17 00:00:00 2001
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From: Geert Stappers <stappers@stappers.nl>
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Date: Sat, 2 Jun 2018 18:54:04 +0100
|
||||||
|
Subject: [PATCH 14/17] Warn about the impact of cache-size on performance.
|
||||||
|
|
||||||
|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
|
||||||
|
---
|
||||||
|
man/dnsmasq.8 | 2 +-
|
||||||
|
man/es/dnsmasq.8 | 3 ++-
|
||||||
|
man/fr/dnsmasq.8 | 3 ++-
|
||||||
|
3 files changed, 5 insertions(+), 3 deletions(-)
|
||||||
|
|
||||||
|
--- a/man/dnsmasq.8
|
||||||
|
+++ b/man/dnsmasq.8
|
||||||
|
@@ -692,7 +692,7 @@ will add 1.2.3.0/24 for both IPv4 and IP
|
||||||
|
|
||||||
|
.TP
|
||||||
|
.B \-c, --cache-size=<cachesize>
|
||||||
|
-Set the size of dnsmasq's cache. The default is 150 names. Setting the cache size to zero disables caching.
|
||||||
|
+Set the size of dnsmasq's cache. The default is 150 names. Setting the cache size to zero disables caching. Note: huge cache size impacts performance.
|
||||||
|
.TP
|
||||||
|
.B \-N, --no-negcache
|
||||||
|
Disable negative caching. Negative caching allows dnsmasq to remember
|
||||||
|
--- a/man/es/dnsmasq.8
|
||||||
|
+++ b/man/es/dnsmasq.8
|
||||||
|
@@ -478,7 +478,8 @@ la traza reversa dirección-a-nombre.
|
||||||
|
.TP
|
||||||
|
.B \-c, --cache-size=<tamaño de caché>
|
||||||
|
Fijar el tamaño del caché de dnsmasq. El predeterminado es 150 nombres.
|
||||||
|
-Fijar el tamaño a cero deshabilita el caché.
|
||||||
|
+Fijar el tamaño a cero deshabilita el caché. Nota: el gran tamaño de
|
||||||
|
+caché afecta el rendimiento.
|
||||||
|
.TP
|
||||||
|
.B \-N, --no-negcache
|
||||||
|
Deshabilitar caché negativo. El caché negativo le permite a dnsmasq
|
||||||
|
--- a/man/fr/dnsmasq.8
|
||||||
|
+++ b/man/fr/dnsmasq.8
|
||||||
|
@@ -666,7 +666,8 @@ différentes pourraient-être rencontré
|
||||||
|
.TP
|
||||||
|
.B \-c, --cache-size=<taille>
|
||||||
|
Définit la taille du cache de Dnsmasq. La valeur par défaut est de 150 noms.
|
||||||
|
-Définir une valeur de zéro désactive le cache.
|
||||||
|
+Définir une valeur de zéro désactive le cache. Remarque: la taille importante
|
||||||
|
+du cache a un impact sur les performances.
|
||||||
|
.TP
|
||||||
|
.B \-N, --no-negcache
|
||||||
|
Désactive le "cache négatif". Le "cache négatif" permet à Dnsmasq de se souvenir
|
||||||
|
|
@ -0,0 +1,64 @@
|
||||||
|
From db0f488ea8f5ded7c57400c9108ec3c9367d75c5 Mon Sep 17 00:00:00 2001
|
||||||
|
From: Simon Kelley <simon@thekelleys.org.uk>
|
||||||
|
Date: Thu, 7 Jun 2018 21:37:02 +0100
|
||||||
|
Subject: [PATCH 15/17] Handle some corner cases in RA contructed interfaces
|
||||||
|
with addresses changing interface.
|
||||||
|
|
||||||
|
Thanks to Vladislav Grishenko for work on this.
|
||||||
|
|
||||||
|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
|
||||||
|
---
|
||||||
|
src/dhcp6.c | 16 ++++++++++------
|
||||||
|
1 file changed, 10 insertions(+), 6 deletions(-)
|
||||||
|
|
||||||
|
--- a/src/dhcp6.c
|
||||||
|
+++ b/src/dhcp6.c
|
||||||
|
@@ -640,7 +640,7 @@ static int construct_worker(struct in6_a
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
for (template = daemon->dhcp6; template; template = template->next)
|
||||||
|
- if (!(template->flags & CONTEXT_TEMPLATE))
|
||||||
|
+ if (!(template->flags & (CONTEXT_TEMPLATE | CONTEXT_CONSTRUCTED)))
|
||||||
|
{
|
||||||
|
/* non-template entries, just fill in interface and local addresses */
|
||||||
|
if (prefix <= template->prefix &&
|
||||||
|
@@ -667,20 +667,23 @@ static int construct_worker(struct in6_a
|
||||||
|
end6 = *local;
|
||||||
|
setaddr6part(&end6, addr6part(&template->end6));
|
||||||
|
|
||||||
|
- /* If there's an absolute address context covering this address
|
||||||
|
- then don't contruct one as well. */
|
||||||
|
for (context = daemon->dhcp6; context; context = context->next)
|
||||||
|
if (!(context->flags & CONTEXT_TEMPLATE) &&
|
||||||
|
IN6_ARE_ADDR_EQUAL(&start6, &context->start6) &&
|
||||||
|
IN6_ARE_ADDR_EQUAL(&end6, &context->end6))
|
||||||
|
{
|
||||||
|
- if (context->flags & CONTEXT_CONSTRUCTED)
|
||||||
|
+ /* If there's an absolute address context covering this address
|
||||||
|
+ then don't construct one as well. */
|
||||||
|
+ if (!(context->flags & CONTEXT_CONSTRUCTED))
|
||||||
|
+ break;
|
||||||
|
+
|
||||||
|
+ if (context->if_index == if_index)
|
||||||
|
{
|
||||||
|
int cflags = context->flags;
|
||||||
|
context->flags &= ~(CONTEXT_GC | CONTEXT_OLD);
|
||||||
|
if (cflags & CONTEXT_OLD)
|
||||||
|
{
|
||||||
|
- /* address went, now it's back */
|
||||||
|
+ /* address went, now it's back, and on the same interface */
|
||||||
|
log_context(AF_INET6, context);
|
||||||
|
/* fast RAs for a while */
|
||||||
|
ra_start_unsolicited(param->now, context);
|
||||||
|
@@ -688,9 +691,10 @@ static int construct_worker(struct in6_a
|
||||||
|
/* Add address to name again */
|
||||||
|
if (context->flags & CONTEXT_RA_NAME)
|
||||||
|
param->newname = 1;
|
||||||
|
+
|
||||||
|
+ break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
- break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!context && (context = whine_malloc(sizeof (struct dhcp_context))))
|
||||||
|
|
@ -0,0 +1,23 @@
|
||||||
|
From 05ff659a3c0d95be6d41fae755243988a1bb3387 Mon Sep 17 00:00:00 2001
|
||||||
|
From: Simon Kelley <simon@thekelleys.org.uk>
|
||||||
|
Date: Tue, 12 Jun 2018 16:03:09 +0100
|
||||||
|
Subject: [PATCH 16/17] Fix stupid infinite loop introduced by preceding
|
||||||
|
commit.
|
||||||
|
|
||||||
|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
|
||||||
|
---
|
||||||
|
src/dhcp6.c | 2 +-
|
||||||
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||||
|
|
||||||
|
--- a/src/dhcp6.c
|
||||||
|
+++ b/src/dhcp6.c
|
||||||
|
@@ -692,8 +692,8 @@ static int construct_worker(struct in6_a
|
||||||
|
if (context->flags & CONTEXT_RA_NAME)
|
||||||
|
param->newname = 1;
|
||||||
|
|
||||||
|
- break;
|
||||||
|
}
|
||||||
|
+ break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
@ -0,0 +1,24 @@
|
||||||
|
From 51e4eeeb04b8dd8510ed267d580751525e77cb77 Mon Sep 17 00:00:00 2001
|
||||||
|
From: Paul Maddock <Paul@whitefall.co.uk>
|
||||||
|
Date: Tue, 12 Jun 2018 16:37:40 +0100
|
||||||
|
Subject: [PATCH 17/17] Fix address-dependent domains for IPv6.
|
||||||
|
|
||||||
|
Thanks to Paul Maddock for spotting this.
|
||||||
|
It seems to have been broken forever.
|
||||||
|
|
||||||
|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
|
||||||
|
---
|
||||||
|
src/lease.c | 2 +-
|
||||||
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||||
|
|
||||||
|
--- a/src/lease.c
|
||||||
|
+++ b/src/lease.c
|
||||||
|
@@ -87,7 +87,7 @@ static int read_leases(time_t now, FILE
|
||||||
|
if ((lease = lease6_allocate(&addr.addr.addr6, lease_type)))
|
||||||
|
{
|
||||||
|
lease_set_iaid(lease, strtoul(s, NULL, 10));
|
||||||
|
- domain = get_domain6((struct in6_addr *)lease->hwaddr);
|
||||||
|
+ domain = get_domain6(&lease->addr6);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,87 @@
|
||||||
|
From a997ca0da044719a0ce8a232d14da8b30022592b Mon Sep 17 00:00:00 2001
|
||||||
|
From: Simon Kelley <simon@thekelleys.org.uk>
|
||||||
|
Date: Fri, 29 Jun 2018 14:39:41 +0100
|
||||||
|
Subject: [PATCH 18/18] Fix sometimes missing DNSSEC RRs when DNSSEC validation
|
||||||
|
not enabled.
|
||||||
|
|
||||||
|
Dnsmasq does pass on the do-bit, and return DNSSEC RRs, irrespective
|
||||||
|
of of having DNSSEC validation compiled in or enabled.
|
||||||
|
|
||||||
|
The thing to understand here is that the cache does not store all the
|
||||||
|
DNSSEC RRs, and dnsmasq doesn't have the (very complex) logic required
|
||||||
|
to determine the set of DNSSEC RRs required in an answer. Therefore if
|
||||||
|
the client wants the DNSSEC RRs, the query can not be answered from
|
||||||
|
the cache. When DNSSEC validation is enabled, any query with the
|
||||||
|
do-bit set is never answered from the cache, unless the domain is
|
||||||
|
known not to be signed: the query is always forwarded. This ensures
|
||||||
|
that the DNSEC RRs are included.
|
||||||
|
|
||||||
|
The same thing should be true when DNSSEC validation is not enabled,
|
||||||
|
but there's a bug in the logic.
|
||||||
|
|
||||||
|
line 1666 of src/rfc1035.c looks like this
|
||||||
|
|
||||||
|
if ((crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG)) || !do_bit || !(crecp->flags & F_DNSSECOK))
|
||||||
|
|
||||||
|
{ ...answer from cache ... }
|
||||||
|
|
||||||
|
So local stuff (hosts, DHCP, ) get answered. If the do_bit is not set
|
||||||
|
then the query is answered, and if the domain is known not to be
|
||||||
|
signed, the query is answered.
|
||||||
|
|
||||||
|
Unfortunately, if DNSSEC validation is not turned on then the
|
||||||
|
F_DNSSECOK bit is not valid, and it's always zero, so the question
|
||||||
|
always gets answered from the cache, even when the do-bit is set.
|
||||||
|
|
||||||
|
This code should look like that at line 1468, dealing with PTR queries
|
||||||
|
|
||||||
|
if ((crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG)) ||
|
||||||
|
!do_bit ||
|
||||||
|
(option_bool(OPT_DNSSEC_VALID) && !(crecp->flags & F_DNSSECOK)))
|
||||||
|
|
||||||
|
where the F_DNSSECOK bit is only used when validation is enabled.
|
||||||
|
|
||||||
|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
|
||||||
|
---
|
||||||
|
CHANGELOG | 7 ++++++-
|
||||||
|
src/rfc1035.c | 6 ++++--
|
||||||
|
2 files changed, 10 insertions(+), 3 deletions(-)
|
||||||
|
|
||||||
|
--- a/CHANGELOG
|
||||||
|
+++ b/CHANGELOG
|
||||||
|
@@ -33,7 +33,12 @@ version 2.80
|
||||||
|
even if auth-sec-servers is not. Thanks to Raphaël Halimi for
|
||||||
|
the suggestion.
|
||||||
|
|
||||||
|
-
|
||||||
|
+ Fix bug which sometimes caused dnsmasq to wrongly return answers
|
||||||
|
+ without DNSSEC RRs to queries with the do-bit set, but only when
|
||||||
|
+ DNSSEC validation was not enabled.
|
||||||
|
+ Thanks to Petr Menšík for spotting this.
|
||||||
|
+
|
||||||
|
+
|
||||||
|
version 2.79
|
||||||
|
Fix parsing of CNAME arguments, which are confused by extra spaces.
|
||||||
|
Thanks to Diego Aguirre for spotting the bug.
|
||||||
|
--- a/src/rfc1035.c
|
||||||
|
+++ b/src/rfc1035.c
|
||||||
|
@@ -1663,7 +1663,9 @@ size_t answer_request(struct dns_header
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If the client asked for DNSSEC don't use cached data. */
|
||||||
|
- if ((crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG)) || !do_bit || !(crecp->flags & F_DNSSECOK))
|
||||||
|
+ if ((crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG)) ||
|
||||||
|
+ !do_bit ||
|
||||||
|
+ (option_bool(OPT_DNSSEC_VALID) && !(crecp->flags & F_DNSSECOK)))
|
||||||
|
do
|
||||||
|
{
|
||||||
|
/* don't answer wildcard queries with data not from /etc/hosts
|
||||||
|
@@ -1747,7 +1749,7 @@ size_t answer_request(struct dns_header
|
||||||
|
{
|
||||||
|
if ((crecp = cache_find_by_name(NULL, name, now, F_CNAME | (dryrun ? F_NO_RR : 0))) &&
|
||||||
|
(qtype == T_CNAME || (crecp->flags & F_CONFIG)) &&
|
||||||
|
- ((crecp->flags & F_CONFIG) || !do_bit || !(crecp->flags & F_DNSSECOK)))
|
||||||
|
+ ((crecp->flags & F_CONFIG) || !do_bit || (option_bool(OPT_DNSSEC_VALID) && !(crecp->flags & F_DNSSECOK))))
|
||||||
|
{
|
||||||
|
if (!(crecp->flags & F_DNSSECOK))
|
||||||
|
sec_data = 0;
|
||||||
Loading…
Reference in a new issue