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Code Issues Releases Wiki Activity

add DNS_DBFIND_PENDINGOK support

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This commit is contained in:
Bob Halley 1999-11-23 20:53:17 +00:00
parent 875e88e734
commit b65c1b247f
2 changed files with 15 additions and 2 deletions
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13
lib/dns/include/dns/db.h
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@ -174,6 +174,8 @@ struct dns_db {
#define DNS_DBFIND_GLUEOK 0x01
#define DNS_DBFIND_VALIDATEGLUE 0x02
#define DNS_DBFIND_NOWILD 0x04
#define DNS_DBFIND_PENDINGOK 0x08
/*
* Options that can be specified for dns_db_findzonecut().
*/
@ -595,6 +597,10 @@ dns_db_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
* For cache databases, glue is any rdataset with a trust of
* dns_trust_glue.
*
* If 'options' does not have DNS_DBFIND_PENDINGOK set, then no
* pending data will be returned. This option is only meaningful for
* cache databases.
*
* If the DNS_DBFIND_NOWILD option is set, then wildcard matching will
* be disabled. This option is only meaningful for zone databases.
*
@ -869,6 +875,10 @@ dns_db_createiterator(dns_db_t *db, isc_boolean_t relative_names,
*** Rdataset Methods
***/
/*
* XXXRTH Should we check for glue and pending data in dns_db_findrdataset()?
*/
dns_result_t
dns_db_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
dns_rdatatype_t type, dns_rdatatype_t covers,
@ -884,7 +894,8 @@ dns_db_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
*
* Care must be used when using this routine to build a DNS response:
* 'node' should have been found with dns_db_find(), not
* dns_db_findnode(). No glue checking is done.
* dns_db_findnode(). No glue checking is done. No checking for
* pending data is done.
*
* The 'now' field is ignored if 'db' is a zone database. If 'db' is a
* cache database, an rdataset will not be found unless it expires after

4
lib/dns/rbtdb.c
View File

@ -2408,7 +2408,9 @@ cache_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
*/
if (found == NULL ||
(found->trust == dns_trust_glue &&
((options & DNS_DBFIND_GLUEOK) == 0))) {
((options & DNS_DBFIND_GLUEOK) == 0)) ||
(found->trust == dns_trust_pending &&
((options & DNS_DBFIND_PENDINGOK) == 0))) {
/*
* If there is an NS rdataset at this node, then this is the
* deepest zone cut.