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Code Issues Releases Wiki Activity

4424. [experimental] Named now sends _ta-XXXX.<trust-anchor>/NULL queries

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to provide feedback to the trust-anchor administrators
                        about how key rollovers are progressing as per
                        draft-ietf-dnsop-edns-key-tag-02.  This can be
                        disabled using 'trust-anchor-telemetry no;'.
                        [RT #40583]
This commit is contained in:
Mark Andrews
2016-07-22 20:02:17 +10:00
parent 9616761417
commit f20179857a
19 changed files with 422 additions and 85 deletions
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64
lib/dns/keytable.c
View File

@@ -23,6 +23,33 @@
#include <dns/rbt.h>
#include <dns/result.h>
#define KEYTABLE_MAGIC ISC_MAGIC('K', 'T', 'b', 'l')
#define VALID_KEYTABLE(kt) ISC_MAGIC_VALID(kt, KEYTABLE_MAGIC)
#define KEYNODE_MAGIC ISC_MAGIC('K', 'N', 'o', 'd')
#define VALID_KEYNODE(kn) ISC_MAGIC_VALID(kn, KEYNODE_MAGIC)
struct dns_keytable {
/* Unlocked. */
unsigned int magic;
isc_mem_t *mctx;
isc_mutex_t lock;
isc_rwlock_t rwlock;
/* Locked by lock. */
isc_uint32_t active_nodes;
/* Locked by rwlock. */
isc_uint32_t references;
dns_rbt_t *table;
};
struct dns_keynode {
unsigned int magic;
isc_refcount_t refcount;
dst_key_t * key;
isc_boolean_t managed;
struct dns_keynode * next;
};
static void
free_keynode(void *node, void *arg) {
dns_keynode_t *keynode = node;
@@ -637,6 +664,43 @@ dns_keytable_totext(dns_keytable_t *keytable, isc_buffer_t **text) {
return (result);
}
isc_result_t
dns_keytable_forall(dns_keytable_t *keytable,
void (*func)(dns_keytable_t *, dns_keynode_t *, void *),
void *arg)
{
isc_result_t result;
dns_rbtnode_t *node;
dns_rbtnodechain_t chain;
REQUIRE(VALID_KEYTABLE(keytable));
RWLOCK(&keytable->rwlock, isc_rwlocktype_read);
dns_rbtnodechain_init(&chain, keytable->mctx);
result = dns_rbtnodechain_first(&chain, keytable->table, NULL, NULL);
if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
if (result == ISC_R_NOTFOUND)
result = ISC_R_SUCCESS;
goto cleanup;
}
for (;;) {
dns_rbtnodechain_current(&chain, NULL, NULL, &node);
if (node->data != NULL)
(*func)(keytable, node->data, arg);
result = dns_rbtnodechain_next(&chain, NULL, NULL);
if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
if (result == ISC_R_NOMORE)
result = ISC_R_SUCCESS;
break;
}
}
cleanup:
dns_rbtnodechain_invalidate(&chain);
RWUNLOCK(&keytable->rwlock, isc_rwlocktype_read);
return (result);
}
dst_key_t *
dns_keynode_key(dns_keynode_t *keynode) {