along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <net/if.h>
+
+#include "af-list.h"
#include "alloc-util.h"
#include "dns-domain.h"
#include "resolved-dns-answer.h"
for (;;) {
DnsCacheItem *i;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
i = prioq_peek(c->by_expiry);
if (!i)
break;
/* Depending whether this is an mDNS shared entry
- * either remove only this one RR or the whole
- * RRset */
+ * either remove only this one RR or the whole RRset */
+ log_debug("Removing %scache entry for %s (expired "USEC_FMT"s ago)",
+ i->shared_owner ? "shared " : "",
+ dns_resource_key_to_string(i->key, key_str, sizeof key_str),
+ (t - i->until) / USEC_PER_SEC);
+
if (i->shared_owner)
dns_cache_item_unlink_and_free(c, i);
else {
const union in_addr_union *owner_address) {
_cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL;
- _cleanup_free_ char *key_str = NULL;
DnsCacheItem *existing;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX], ifname[IF_NAMESIZE];
int r, k;
assert(c);
/* New TTL is 0? Delete this specific entry... */
if (rr->ttl <= 0) {
k = dns_cache_remove_by_rr(c, rr);
-
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(rr->key, &key_str);
- if (r < 0)
- return r;
-
- if (k > 0)
- log_debug("Removed zero TTL entry from cache: %s", key_str);
- else
- log_debug("Not caching zero TTL cache entry: %s", key_str);
- }
-
+ log_debug("%s: %s",
+ k > 0 ? "Removed zero TTL entry from cache" : "Not caching zero TTL cache entry",
+ dns_resource_key_to_string(i->key, key_str, sizeof key_str));
return 0;
}
return r;
if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(i->key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Added positive cache entry for %s", key_str);
+ _cleanup_free_ char *t = NULL;
+
+ (void) in_addr_to_string(i->owner_family, &i->owner_address, &t);
+
+ log_debug("Added positive %s%s cache entry for %s "USEC_FMT"s on %s/%s/%s",
+ i->authenticated ? "authenticated" : "unauthenticated",
+ i->shared_owner ? " shared" : "",
+ dns_resource_key_to_string(i->key, key_str, sizeof key_str),
+ (i->until - timestamp) / USEC_PER_SEC,
+ i->ifindex == 0 ? "*" : strna(if_indextoname(i->ifindex, ifname)),
+ af_to_name_short(i->owner_family),
+ strna(t));
}
i = NULL;
const union in_addr_union *owner_address) {
_cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL;
- _cleanup_free_ char *key_str = NULL;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
int r;
assert(c);
return 0;
if (nsec_ttl <= 0 || soa->soa.minimum <= 0 || soa->ttl <= 0) {
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Not caching negative entry with zero SOA/NSEC/NSEC3 TTL: %s", key_str);
- }
-
+ log_debug("Not caching negative entry with zero SOA/NSEC/NSEC3 TTL: %s",
+ dns_resource_key_to_string(i->key, key_str, sizeof key_str));
return 0;
}
if (r < 0)
return r;
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(i->key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Added %s cache entry for %s", i->type == DNS_CACHE_NODATA ? "NODATA" : "NXDOMAIN", key_str);
- }
+ log_debug("Added %s cache entry for %s "USEC_FMT"s",
+ i->type == DNS_CACHE_NODATA ? "NODATA" : "NXDOMAIN",
+ dns_resource_key_to_string(i->key, key_str, sizeof key_str),
+ (i->until - timestamp) / USEC_PER_SEC);
i = NULL;
return 0;
dns_cache_remove_previous(c, key, answer);
if (dns_answer_size(answer) <= 0) {
- if (log_get_max_level() >= LOG_DEBUG) {
- _cleanup_free_ char *key_str = NULL;
-
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Not caching negative entry without a SOA record: %s", key_str);
- }
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
+ log_debug("Not caching negative entry without a SOA record: %s",
+ dns_resource_key_to_string(key, key_str, sizeof key_str));
return 0;
}
int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, int *rcode, DnsAnswer **ret, bool *authenticated) {
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
unsigned n = 0;
int r;
bool nxdomain = false;
- _cleanup_free_ char *key_str = NULL;
DnsCacheItem *j, *first, *nsec = NULL;
bool have_authenticated = false, have_non_authenticated = false;
assert(ret);
assert(authenticated);
- if (key->type == DNS_TYPE_ANY ||
- key->class == DNS_CLASS_ANY) {
-
+ if (key->type == DNS_TYPE_ANY || key->class == DNS_CLASS_ANY) {
/* If we have ANY lookups we don't use the cache, so
* that the caller refreshes via the network. */
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Ignoring cache for ANY lookup: %s", key_str);
- }
+ log_debug("Ignoring cache for ANY lookup: %s",
+ dns_resource_key_to_string(key, key_str, sizeof key_str));
c->n_miss++;
if (!first) {
/* If one question cannot be answered we need to refresh */
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("Cache miss for %s", key_str);
- }
+ log_debug("Cache miss for %s",
+ dns_resource_key_to_string(key, key_str, sizeof key_str));
c->n_miss++;
/* Note that we won't derive information for DS RRs from an NSEC, because we only cache NSEC RRs from
* the lower-zone of a zone cut, but the DS RRs are on the upper zone. */
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("NSEC NODATA cache hit for %s", key_str);
- }
+ log_debug("NSEC NODATA cache hit for %s",
+ dns_resource_key_to_string(key, key_str, sizeof key_str));
/* We only found an NSEC record that matches our name.
* If it says the type doesn't exist report
return 0;
}
- if (log_get_max_level() >= LOG_DEBUG) {
- r = dns_resource_key_to_string(key, &key_str);
- if (r < 0)
- return r;
-
- log_debug("%s cache hit for %s",
- n > 0 ? "Positive" :
- nxdomain ? "NXDOMAIN" : "NODATA",
- key_str);
- }
+ log_debug("%s cache hit for %s",
+ n > 0 ? "Positive" :
+ nxdomain ? "NXDOMAIN" : "NODATA",
+ dns_resource_key_to_string(key, key_str, sizeof key_str));
if (n <= 0) {
c->n_hit++;
void dns_cache_dump(DnsCache *cache, FILE *f) {
Iterator iterator;
DnsCacheItem *i;
- int r;
if (!cache)
return;
fputs(t, f);
fputc('\n', f);
} else {
- _cleanup_free_ char *z = NULL;
- r = dns_resource_key_to_string(j->key, &z);
- if (r < 0) {
- log_oom();
- continue;
- }
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
- fputs(z, f);
+ fputs(dns_resource_key_to_string(j->key, key_str, sizeof key_str), f);
fputs(" -- ", f);
fputs(j->type == DNS_CACHE_NODATA ? "NODATA" : "NXDOMAIN", f);
fputc('\n', f);
projects / thirdparty / systemd.git / blobdiff