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Diffstat (limited to 'contrib/bind9/lib/dns/zone.c')
-rw-r--r--contrib/bind9/lib/dns/zone.c94
1 files changed, 65 insertions, 29 deletions
diff --git a/contrib/bind9/lib/dns/zone.c b/contrib/bind9/lib/dns/zone.c
index a993877..d2a47b0 100644
--- a/contrib/bind9/lib/dns/zone.c
+++ b/contrib/bind9/lib/dns/zone.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2003 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
-/* $Id: zone.c,v 1.333.2.23.2.59 2005/07/29 00:38:33 marka Exp $ */
+/* $Id: zone.c,v 1.333.2.23.2.65 2006/07/19 01:04:24 marka Exp $ */
#include <config.h>
@@ -264,6 +264,7 @@ struct dns_zone {
#define DNS_ZONEFLG_FLUSH 0x00200000U
#define DNS_ZONEFLG_NOEDNS 0x00400000U
#define DNS_ZONEFLG_USEALTXFRSRC 0x00800000U
+#define DNS_ZONEFLG_SOABEFOREAXFR 0x01000000U
#define DNS_ZONE_OPTION(z,o) (((z)->options & (o)) != 0)
@@ -772,12 +773,10 @@ dns_zone_setdbtype(dns_zone_t *zone,
nomem:
if (new != NULL) {
- for (i = 0; i < dbargc; i++) {
- if (zone->db_argv[i] != NULL)
+ for (i = 0; i < dbargc; i++)
+ if (new[i] != NULL)
isc_mem_free(zone->mctx, new[i]);
- isc_mem_put(zone->mctx, new,
- dbargc * sizeof(*new));
- }
+ isc_mem_put(zone->mctx, new, dbargc * sizeof(*new));
}
result = ISC_R_NOMEMORY;
@@ -807,7 +806,7 @@ dns_zone_getview(dns_zone_t *zone) {
isc_result_t
-dns_zone_setorigin(dns_zone_t *zone, dns_name_t *origin) {
+dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin) {
isc_result_t result;
REQUIRE(DNS_ZONE_VALID(zone));
@@ -998,7 +997,7 @@ zone_load(dns_zone_t *zone, unsigned int flags) {
result = isc_file_getmodtime(zone->masterfile,
&filetime);
if (result == ISC_R_SUCCESS &&
- isc_time_compare(&filetime, &zone->loadtime) < 0) {
+ isc_time_compare(&filetime, &zone->loadtime) <= 0) {
dns_zone_log(zone, ISC_LOG_DEBUG(1),
"skipping load: master file older "
"than last load");
@@ -1010,6 +1009,16 @@ zone_load(dns_zone_t *zone, unsigned int flags) {
INSIST(zone->db_argc >= 1);
+ /*
+ * Built in zones don't need to be reloaded.
+ */
+ if (zone->type == dns_zone_master &&
+ strcmp(zone->db_argv[0], "_builtin") == 0 &&
+ DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED)) {
+ result = ISC_R_SUCCESS;
+ goto cleanup;
+ }
+
if ((zone->type == dns_zone_slave || zone->type == dns_zone_stub) &&
(strcmp(zone->db_argv[0], "rbt") == 0 ||
strcmp(zone->db_argv[0], "rbt64") == 0)) {
@@ -1210,10 +1219,12 @@ zone_startload(dns_db_t *db, dns_zone_t *zone, isc_time_t loadtime) {
zone_gotreadhandle, load,
&zone->readio);
if (result != ISC_R_SUCCESS) {
- tresult = dns_db_endload(load->db,
- &load->callbacks.add_private);
- if (result == ISC_R_SUCCESS)
- result = tresult;
+ /*
+ * We can't report multiple errors so ignore
+ * the result of dns_db_endload().
+ */
+ (void)dns_db_endload(load->db,
+ &load->callbacks.add_private);
goto cleanup;
} else
result = DNS_R_CONTINUE;
@@ -1284,14 +1295,12 @@ zone_postload(dns_zone_t *zone, dns_db_t *db, isc_time_t loadtime,
dns_zone_log(zone, ISC_LOG_DEBUG(2),
"number of nodes in database: %u",
dns_db_nodecount(db));
- zone->loadtime = loadtime;
-
- dns_zone_log(zone, ISC_LOG_DEBUG(1), "loaded");
if (result == DNS_R_SEENINCLUDE)
DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
else
DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
+
/*
* Apply update log, if any, on initial load.
*/
@@ -1323,6 +1332,10 @@ zone_postload(dns_zone_t *zone, dns_db_t *db, isc_time_t loadtime,
needdump = ISC_TRUE;
}
+ zone->loadtime = loadtime;
+
+ dns_zone_log(zone, ISC_LOG_DEBUG(1), "loaded");
+
/*
* Obtain ns and soa counts for top of zone.
*/
@@ -1821,7 +1834,7 @@ dns_zone_getoptions(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setxfrsource4(dns_zone_t *zone, isc_sockaddr_t *xfrsource) {
+dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1838,7 +1851,7 @@ dns_zone_getxfrsource4(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setxfrsource6(dns_zone_t *zone, isc_sockaddr_t *xfrsource) {
+dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1855,7 +1868,9 @@ dns_zone_getxfrsource6(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setaltxfrsource4(dns_zone_t *zone, isc_sockaddr_t *altxfrsource) {
+dns_zone_setaltxfrsource4(dns_zone_t *zone,
+ const isc_sockaddr_t *altxfrsource)
+{
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1872,7 +1887,9 @@ dns_zone_getaltxfrsource4(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setaltxfrsource6(dns_zone_t *zone, isc_sockaddr_t *altxfrsource) {
+dns_zone_setaltxfrsource6(dns_zone_t *zone,
+ const isc_sockaddr_t *altxfrsource)
+{
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1889,7 +1906,7 @@ dns_zone_getaltxfrsource6(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setnotifysrc4(dns_zone_t *zone, isc_sockaddr_t *notifysrc) {
+dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1906,7 +1923,7 @@ dns_zone_getnotifysrc4(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setnotifysrc6(dns_zone_t *zone, isc_sockaddr_t *notifysrc) {
+dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
REQUIRE(DNS_ZONE_VALID(zone));
LOCK_ZONE(zone);
@@ -1923,7 +1940,7 @@ dns_zone_getnotifysrc6(dns_zone_t *zone) {
}
isc_result_t
-dns_zone_setalsonotify(dns_zone_t *zone, isc_sockaddr_t *notify,
+dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify,
isc_uint32_t count)
{
isc_sockaddr_t *new;
@@ -1953,7 +1970,7 @@ dns_zone_setalsonotify(dns_zone_t *zone, isc_sockaddr_t *notify,
}
isc_result_t
-dns_zone_setmasters(dns_zone_t *zone, isc_sockaddr_t *masters,
+dns_zone_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
isc_uint32_t count)
{
isc_result_t result;
@@ -1963,8 +1980,10 @@ dns_zone_setmasters(dns_zone_t *zone, isc_sockaddr_t *masters,
}
isc_result_t
-dns_zone_setmasterswithkeys(dns_zone_t *zone, isc_sockaddr_t *masters,
- dns_name_t **keynames, isc_uint32_t count)
+dns_zone_setmasterswithkeys(dns_zone_t *zone,
+ const isc_sockaddr_t *masters,
+ dns_name_t **keynames,
+ isc_uint32_t count)
{
isc_sockaddr_t *new;
isc_result_t result = ISC_R_SUCCESS;
@@ -2274,6 +2293,7 @@ dns_zone_refresh(dns_zone_t *zone) {
isc_interval_t i;
isc_uint32_t oldflags;
unsigned int j;
+ isc_result_t result;
REQUIRE(DNS_ZONE_VALID(zone));
@@ -2307,7 +2327,11 @@ dns_zone_refresh(dns_zone_t *zone) {
*/
isc_interval_set(&i, isc_random_jitter(zone->retry, zone->retry / 4),
0);
- isc_time_nowplusinterval(&zone->refreshtime, &i);
+ result = isc_time_nowplusinterval(&zone->refreshtime, &i);
+ if (result |= ISC_R_SUCCESS)
+ dns_zone_log(zone, ISC_LOG_WARNING,
+ "isc_time_nowplusinterval() failed: %s",
+ dns_result_totext(result));
/*
* When lacking user-specified timer values from the SOA,
@@ -3535,8 +3559,13 @@ refresh_callback(isc_task_t *task, isc_event_t *event) {
"master %s exceeded (source %s)",
master, source);
/* Try with slave with TCP. */
- if (zone->type == dns_zone_slave)
+ if (zone->type == dns_zone_slave) {
+ LOCK_ZONE(zone);
+ DNS_ZONE_SETFLAG(zone,
+ DNS_ZONEFLG_SOABEFOREAXFR);
+ UNLOCK_ZONE(zone);
goto tcp_transfer;
+ }
} else
dns_zone_log(zone, ISC_LOG_INFO,
"refresh: failure trying master "
@@ -3603,6 +3632,9 @@ refresh_callback(isc_task_t *task, isc_event_t *event) {
"initiating TCP zone xfer "
"for master %s (source %s)",
master, source);
+ LOCK_ZONE(zone);
+ DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
+ UNLOCK_ZONE(zone);
goto tcp_transfer;
} else {
INSIST(zone->type == dns_zone_stub);
@@ -5515,6 +5547,7 @@ zone_xfrdone(dns_zone_t *zone, isc_result_t result) {
LOCK_ZONE(zone);
INSIST((zone->flags & DNS_ZONEFLG_REFRESH) != 0);
DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+ DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
TIME_NOW(&now);
switch (result) {
@@ -5868,7 +5901,10 @@ got_transfer_quota(isc_task_t *task, isc_event_t *event) {
"IXFR disabled, "
"requesting AXFR from %s",
mastertext);
- xfrtype = dns_rdatatype_axfr;
+ if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
+ xfrtype = dns_rdatatype_soa;
+ else
+ xfrtype = dns_rdatatype_axfr;
} else {
dns_zone_log(zone, ISC_LOG_DEBUG(1),
"requesting IXFR from %s",
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