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Raise max-clients-per-query to be at least

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In the case where 'clients-per-query' is larger than
'max-clients-per-query', raise 'max-clients-per-query' so that
'clients-per-query' equals 'max-clients-per-query' and log a warning
that this is what happened.

(cherry picked from commit f6f9645ed1)
This commit is contained in:
Matthijs Mekking 2025-03-13 09:28:37 +01:00
parent 41cc6eeaaf
commit c5b8e1f5a1
1 changed files with 16 additions and 5 deletions
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21
bin/named/server.c
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@ -4191,7 +4191,7 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist, cfg_obj_t *config,
uint32_t maxbits;
unsigned int resopts = 0;
dns_zone_t *zone = NULL;
uint32_t max_clients_per_query;
uint32_t clients_per_query, max_clients_per_query;
bool empty_zones_enable;
const cfg_obj_t *disablelist = NULL;
isc_stats_t *resstats = NULL;
@ -5621,15 +5621,26 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist, cfg_obj_t *config,
INSIST(result == ISC_R_SUCCESS);
view->v6bias = cfg_obj_asuint32(obj) * 1000;
obj = NULL;
result = named_config_get(maps, "clients-per-query", &obj);
INSIST(result == ISC_R_SUCCESS);
clients_per_query = cfg_obj_asuint32(obj);
obj = NULL;
result = named_config_get(maps, "max-clients-per-query", &obj);
INSIST(result == ISC_R_SUCCESS);
max_clients_per_query = cfg_obj_asuint32(obj);
obj = NULL;
result = named_config_get(maps, "clients-per-query", &obj);
INSIST(result == ISC_R_SUCCESS);
dns_resolver_setclientsperquery(view->resolver, cfg_obj_asuint32(obj),
if (max_clients_per_query < clients_per_query) {
cfg_obj_log(obj, named_g_lctx, ISC_LOG_WARNING,
"configured clients-per-query (%u) exceeds "
"max-clients-per-query (%u); automatically "
"adjusting max-clients-per-query to (%u)",
clients_per_query, max_clients_per_query,
clients_per_query);
max_clients_per_query = clients_per_query;
}
dns_resolver_setclientsperquery(view->resolver, clients_per_query,
max_clients_per_query);
/*