[systemd-commits] 2 commits - TODO src/resolve
Lennart Poettering
lennart at kemper.freedesktop.org
Wed Jul 30 05:14:27 PDT 2014
TODO | 1 -
src/resolve/resolved-dns-cache.c | 18 ++++++++++++++++++
2 files changed, 18 insertions(+), 1 deletion(-)
New commits:
commit 6bf02ccb14a8f9791b0896f1e95d6e0522dd59ed
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jul 30 11:27:05 2014 +0200
update TODO
diff --git a/TODO b/TODO
index 158236b..aabdd16 100644
--- a/TODO
+++ b/TODO
@@ -38,7 +38,6 @@ Features:
- send notifications of conflict
- verify new RR uniqueness
- detect conflicts
- - cache lookups with ANY types or classes
- collect multiple responses
- jitter interval support
- add SOA record to empty responses
commit ddf163393bd93baf39fa7a2c567f6758570cc209
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jul 30 11:26:49 2014 +0200
resolved: never cache ANY lookups
diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c
index c971167..28a375b 100644
--- a/src/resolve/resolved-dns-cache.c
+++ b/src/resolve/resolved-dns-cache.c
@@ -270,6 +270,11 @@ static int dns_cache_put_positive(DnsCache *c, DnsResourceRecord *rr, usec_t tim
return 0;
}
+ if (rr->key->class == DNS_CLASS_ANY)
+ return 0;
+ if (rr->key->type == DNS_TYPE_ANY)
+ return 0;
+
/* Entry exists already? Update TTL and timestamp */
existing = dns_cache_get(c, rr);
if (existing) {
@@ -311,6 +316,11 @@ static int dns_cache_put_negative(DnsCache *c, DnsResourceKey *key, int rcode, u
dns_cache_remove(c, key);
+ if (key->class == DNS_CLASS_ANY)
+ return 0;
+ if (key->type == DNS_TYPE_ANY)
+ return 0;
+
if (!IN_SET(rcode, DNS_RCODE_SUCCESS, DNS_RCODE_NXDOMAIN))
return 0;
@@ -426,6 +436,14 @@ int dns_cache_lookup(DnsCache *c, DnsQuestion *q, int *rcode, DnsAnswer **ret) {
for (i = 0; i < q->n_keys; i++) {
DnsCacheItem *j;
+ if (q->keys[i]->type == DNS_TYPE_ANY ||
+ q->keys[i]->class == DNS_CLASS_ANY) {
+ /* If we have ANY lookups we simply refresh */
+ *ret = NULL;
+ *rcode = 0;
+ return 0;
+ }
+
j = hashmap_get(c->by_key, q->keys[i]);
if (!j) {
/* If one question cannot be answered we need to refresh */
More information about the systemd-commits
mailing list