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Initialise DNS TTL for A and AAAA records.

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So far, the TTLs for both A and AAAA records were not initialised,
resulting in exit relays sending back the value 60 to Tor clients.  This
also impacts exit relays' DNS cache -- the expiry time for all domains
is set to 60.

This fixes <https://bugs.torproject.org/19025>.
This commit is contained in:
Philipp Winter 2016-07-27 12:01:03 -04:00 committed by Nick Mathewson
parent a969ae8e21
commit eae68fa2d2
1 changed files with 2 additions and 1 deletions
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3
src/or/dns.c
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@ -326,7 +326,7 @@ cached_resolve_add_answer(cached_resolve_t *resolve,
resolve->result_ipv4.err_ipv4 = dns_result;
resolve->res_status_ipv4 = RES_STATUS_DONE_ERR;
}
resolve->ttl_ipv4 = ttl;
} else if (query_type == DNS_IPv6_AAAA) {
if (resolve->res_status_ipv6 != RES_STATUS_INFLIGHT)
return;
@ -341,6 +341,7 @@ cached_resolve_add_answer(cached_resolve_t *resolve,
resolve->result_ipv6.err_ipv6 = dns_result;
resolve->res_status_ipv6 = RES_STATUS_DONE_ERR;
}
resolve->ttl_ipv6 = ttl;
}
}