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From 07e25da5bf26d46aad4f1d2eb19b260789182004 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Sun, 16 Dec 2018 18:21:58 +0000
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Subject: [PATCH 13/32] Treat DS and DNSKEY queries being forwarded the same as
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those locally originated.
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The queries will not be forwarded to a server for a domain, unless
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there's a trust anchor provided for that domain. This allows, especially,
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suitable proof of non-existance for DS records to come from
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the parent domain for domains which are not signed.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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src/rfc1035.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/src/rfc1035.c
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+++ b/src/rfc1035.c
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@@ -916,6 +916,13 @@ unsigned int extract_request(struct dns_
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if (qtype == T_ANY)
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return F_IPV4 | F_IPV6;
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}
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+
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+ /* F_DNSSECOK as agument to search_servers() inhibits forwarding
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+ to servers for domains without a trust anchor. This make the
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+ behaviour for DS and DNSKEY queries we forward the same
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+ as for DS and DNSKEY queries we originate. */
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+ if (qtype == T_DS || qtype == T_DNSKEY)
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+ return F_DNSSECOK;
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return F_QUERY;
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}
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