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30 lines
1.0 KiB
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30 lines
1.0 KiB
Plaintext
From: Jesse Glick <jglick@cloudbees.com>
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To: dnsmasq-discuss@lists.thekelleys.org.uk
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Subject: Re: [Dnsmasq-discuss] Ability to delegate to one server but fall
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back to another after NXDOMAIN?
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On Wed, Jan 15, 2014 at 12:30 PM, Simon Kelley <simon@thekelleys.org.uk> wrote:
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> > There's a (very old) patch in contrib/try-all-ns that would make a starting point
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This does not apply against trunk, so I tried to rework it. The
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following appears to do what I expect:
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diff --git a/src/forward.c b/src/forward.c
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index 8167229..76070b5 100644
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--- a/src/forward.c
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+++ b/src/forward.c
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@@ -610,7 +610,11 @@ void reply_query(int fd, int family, time_t now)
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if ((RCODE(header) == SERVFAIL || RCODE(header) == REFUSED) &&
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!option_bool(OPT_ORDER) &&
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- forward->forwardall == 0)
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+ forward->forwardall == 0 ||
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+ /* try each in turn */
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+ RCODE(header) == NXDOMAIN &&
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+ option_bool(OPT_ORDER) &&
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+ server->next != NULL)
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/* for broken servers, attempt to send to another one. */
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{
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unsigned char *pheader;
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