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- Fix case in which query timeout can result in marking delegation as

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edns_lame_known.


git-svn-id: file:///svn/unbound/trunk@5089 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Ralph Dolmans 2019-01-30 13:44:19 +00:00
parent 31b677b35f
commit 723845b350
2 changed files with 15 additions and 20 deletions
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4
doc/Changelog
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@ -1,3 +1,7 @@
30 January 2019: Ralph
- Fix case in which query timeout can result in marking delegation
as edns_lame_known.
29 January 2019: Wouter
- Fix spelling of tls-ciphers in example.conf.in.
- Fix #4224: auth_xfr_notify.rpl test broken due to typo

13
services/outside_network.c
View file

@ -1964,7 +1964,6 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
struct serviced_query* sq = (struct serviced_query*)arg;
struct outside_network* outnet = sq->outnet;
struct timeval now = *sq->outnet->now_tv;
int fallback_tcp = 0;
sq->pending = NULL; /* removed after callback */
if(error == NETEVENT_TIMEOUT) {
@ -1996,14 +1995,8 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
}
return 0;
}
if(rto >= RTT_MAX_TIMEOUT) {
/* fallback_tcp = 1; */
/* UDP does not work, fallback to TCP below */
} else {
serviced_callbacks(sq, NETEVENT_TIMEOUT, c, rep);
return 0;
}
} else if(error != NETEVENT_NOERROR) {
if(error != NETEVENT_NOERROR) {
/* udp returns error (due to no ID or interface available) */
serviced_callbacks(sq, error, c, rep);
return 0;
@ -2016,7 +2009,6 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
sq->zone, sq->zonelen, sq->qbuf, sq->qbuflen,
&sq->last_sent_time, sq->outnet->now_tv, c->buffer);
#endif
if(!fallback_tcp) {
if( (sq->status == serviced_query_UDP_EDNS
||sq->status == serviced_query_UDP_EDNS_FRAG)
&& (LDNS_RCODE_WIRE(sldns_buffer_begin(c->buffer))
@ -2082,10 +2074,9 @@ serviced_udp_callback(struct comm_point* c, void* arg, int error,
log_err("out of memory noting rtt.");
}
}
} /* end of if_!fallback_tcp */
/* perform TC flag check and TCP fallback after updating our
* cache entries for EDNS status and RTT times */
if(LDNS_TC_WIRE(sldns_buffer_begin(c->buffer)) || fallback_tcp) {
if(LDNS_TC_WIRE(sldns_buffer_begin(c->buffer))) {
/* fallback to TCP */
/* this discards partial UDP contents */
if(sq->status == serviced_query_UDP_EDNS ||