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Code Issues Releases Wiki Activity

2353. [func] Add support for Name Server ID (RFC 5001).

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'dig +nsid' requests NSID from server.
                        'request-nsid yes;' causes recursive server to send
                        NSID requests to upstream servers.  Server responds
                        to NSID requests with the string configured by
                        'server-id' option.  [RT #17091]
This commit is contained in:
Mark Andrews
2008-04-03 02:01:08 +00:00
parent aeb7938001
commit db30f4bdcb
27 changed files with 791 additions and 347 deletions
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59
lib/dns/peer.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: peer.c,v 1.29 2007/06/19 23:47:16 tbox Exp $ */
/* $Id: peer.c,v 1.30 2008/04/03 02:01:08 marka Exp $ */
/*! \file */
@@ -42,6 +42,7 @@
#define SUPPORT_EDNS_BIT 5
#define SERVER_UDPSIZE_BIT 6
#define SERVER_MAXUDP_BIT 7
#define REQUEST_NSID_BIT 8
static void
peerlist_delete(dns_peerlist_t **list);
@@ -146,7 +147,7 @@ dns_peerlist_addpeer(dns_peerlist_t *peers, dns_peer_t *peer) {
ISC_LIST_INSERTBEFORE(peers->elements, p, peer, next);
else
ISC_LIST_APPEND(peers->elements, peer, next);
}
isc_result_t
@@ -213,7 +214,7 @@ dns_peer_new(isc_mem_t *mem, isc_netaddr_t *addr, dns_peer_t **peerptr) {
isc_result_t
dns_peer_newprefix(isc_mem_t *mem, isc_netaddr_t *addr, unsigned int prefixlen,
dns_peer_t **peerptr)
{
{
dns_peer_t *peer;
REQUIRE(peerptr != NULL);
@@ -415,6 +416,32 @@ dns_peer_getsupportedns(dns_peer_t *peer, isc_boolean_t *retval) {
return (ISC_R_NOTFOUND);
}
isc_result_t
dns_peer_setrequestnsid(dns_peer_t *peer, isc_boolean_t newval) {
isc_boolean_t existed;
REQUIRE(DNS_PEER_VALID(peer));
existed = DNS_BIT_CHECK(REQUEST_NSID_BIT, &peer->bitflags);
peer->request_nsid = newval;
DNS_BIT_SET(REQUEST_NSID_BIT, &peer->bitflags);
return (existed ? ISC_R_EXISTS : ISC_R_SUCCESS);
}
isc_result_t
dns_peer_getrequestnsid(dns_peer_t *peer, isc_boolean_t *retval) {
REQUIRE(DNS_PEER_VALID(peer));
REQUIRE(retval != NULL);
if (DNS_BIT_CHECK(REQUEST_NSID_BIT, &peer->bitflags)) {
*retval = peer->request_nsid;
return (ISC_R_SUCCESS);
} else
return (ISC_R_NOTFOUND);
}
isc_result_t
dns_peer_settransfers(dns_peer_t *peer, isc_uint32_t newval) {
isc_boolean_t existed;
@@ -544,7 +571,7 @@ dns_peer_settransfersource(dns_peer_t *peer,
}
if (transfer_source != NULL) {
peer->transfer_source = isc_mem_get(peer->mem,
sizeof(*peer->transfer_source));
sizeof(*peer->transfer_source));
if (peer->transfer_source == NULL)
return (ISC_R_NOMEMORY);
@@ -577,7 +604,7 @@ dns_peer_setnotifysource(dns_peer_t *peer,
}
if (notify_source != NULL) {
peer->notify_source = isc_mem_get(peer->mem,
sizeof(*peer->notify_source));
sizeof(*peer->notify_source));
if (peer->notify_source == NULL)
return (ISC_R_NOMEMORY);
@@ -608,7 +635,7 @@ dns_peer_setquerysource(dns_peer_t *peer, const isc_sockaddr_t *query_source) {
}
if (query_source != NULL) {
peer->query_source = isc_mem_get(peer->mem,
sizeof(*peer->query_source));
sizeof(*peer->query_source));
if (peer->query_source == NULL)
return (ISC_R_NOMEMORY);
@@ -649,11 +676,11 @@ dns_peer_getudpsize(dns_peer_t *peer, isc_uint16_t *udpsize) {
REQUIRE(udpsize != NULL);
if (DNS_BIT_CHECK(SERVER_UDPSIZE_BIT, &peer->bitflags)) {
*udpsize = peer->udpsize;
return (ISC_R_SUCCESS);
} else {
return (ISC_R_NOTFOUND);
}
*udpsize = peer->udpsize;
return (ISC_R_SUCCESS);
} else {
return (ISC_R_NOTFOUND);
}
}
isc_result_t
@@ -677,9 +704,9 @@ dns_peer_getmaxudp(dns_peer_t *peer, isc_uint16_t *maxudp) {
REQUIRE(maxudp != NULL);
if (DNS_BIT_CHECK(SERVER_MAXUDP_BIT, &peer->bitflags)) {
*maxudp = peer->maxudp;
return (ISC_R_SUCCESS);
} else {
return (ISC_R_NOTFOUND);
}
*maxudp = peer->maxudp;
return (ISC_R_SUCCESS);
} else {
return (ISC_R_NOTFOUND);
}
}