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Annotation of embedaddon/dnsmasq/contrib/try-all-ns/dnsmasq-2.68-try-all-ns, revision 1.1

1.1     ! misho       1: From: Jesse Glick <jglick@cloudbees.com>
        !             2: To: dnsmasq-discuss@lists.thekelleys.org.uk
        !             3: Subject: Re: [Dnsmasq-discuss] Ability to delegate to one server but fall
        !             4:  back to another after NXDOMAIN?
        !             5: 
        !             6: 
        !             7: On Wed, Jan 15, 2014 at 12:30 PM, Simon Kelley <simon@thekelleys.org.uk> wrote:
        !             8: > > There's a (very old) patch in contrib/try-all-ns that would make a starting point
        !             9: This does not apply against trunk, so I tried to rework it. The
        !            10: following appears to do what I expect:
        !            11: 
        !            12: diff --git a/src/forward.c b/src/forward.c
        !            13: index 8167229..76070b5 100644
        !            14: --- a/src/forward.c
        !            15: +++ b/src/forward.c
        !            16: @@ -610,7 +610,11 @@ void reply_query(int fd, int family, time_t now)
        !            17: 
        !            18:    if ((RCODE(header) == SERVFAIL || RCODE(header) == REFUSED) &&
        !            19:        !option_bool(OPT_ORDER) &&
        !            20: -      forward->forwardall == 0)
        !            21: +      forward->forwardall == 0 ||
        !            22: +      /* try each in turn */
        !            23: +      RCODE(header) == NXDOMAIN &&
        !            24: +      option_bool(OPT_ORDER) &&
        !            25: +      server->next != NULL)
        !            26:      /* for broken servers, attempt to send to another one. */
        !            27:      {
        !            28:        unsigned char *pheader;
        !            29: