ComputerSurge/bind9
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implement getoriginnode for sdb

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This commit is contained in:
Mark Andrews
2019-08-09 16:25:49 +10:00
parent ddd871bbea
commit 2ebc4776ca
1 changed files with 77 additions and 1 deletions
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78
lib/dns/sdb.c
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@@ -677,6 +677,82 @@ destroynode(dns_sdbnode_t *node) {
detach((dns_db_t **) (void *)&sdb);
}
static isc_result_t
getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) {
dns_sdb_t *sdb = (dns_sdb_t *)db;
dns_sdbnode_t *node = NULL;
isc_result_t result;
isc_buffer_t b;
char namestr[DNS_NAME_MAXTEXT + 1];
dns_sdbimplementation_t *imp;
dns_name_t relname;
dns_name_t *name;
REQUIRE(VALID_SDB(sdb));
REQUIRE(nodep != NULL && *nodep == NULL);
imp = sdb->implementation;
name = &sdb->common.origin;
if (imp->methods->lookup2 != NULL) {
if ((imp->flags & DNS_SDBFLAG_RELATIVEOWNER) != 0) {
dns_name_init(&relname, NULL);
name = &relname;
}
} else {
isc_buffer_init(&b, namestr, sizeof(namestr));
if ((imp->flags & DNS_SDBFLAG_RELATIVEOWNER) != 0) {
dns_name_init(&relname, NULL);
result = dns_name_totext(&relname, true, &b);
if (result != ISC_R_SUCCESS) {
return (result);
}
} else {
result = dns_name_totext(name, true, &b);
if (result != ISC_R_SUCCESS) {
return (result);
}
}
isc_buffer_putuint8(&b, 0);
}
result = createnode(sdb, &node);
if (result != ISC_R_SUCCESS) {
return (result);
}
MAYBE_LOCK(sdb);
if (imp->methods->lookup2 != NULL) {
result = imp->methods->lookup2(&sdb->common.origin, name,
sdb->dbdata, node, NULL, NULL);
} else {
result = imp->methods->lookup(sdb->zone, namestr, sdb->dbdata,
node, NULL, NULL);
}
MAYBE_UNLOCK(sdb);
if (result != ISC_R_SUCCESS &&
!(result == ISC_R_NOTFOUND &&
imp->methods->authority != NULL))
{
destroynode(node);
return (result);
}
if (imp->methods->authority != NULL) {
MAYBE_LOCK(sdb);
result = imp->methods->authority(sdb->zone, sdb->dbdata, node);
MAYBE_UNLOCK(sdb);
if (result != ISC_R_SUCCESS) {
destroynode(node);
return (result);
}
}
*nodep = node;
return (ISC_R_SUCCESS);
}
static isc_result_t
findnodeext(dns_db_t *db, const dns_name_t *name, bool create,
dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo,
@@ -1224,7 +1300,7 @@ static dns_dbmethods_t sdb_methods = {
ispersistent,
overmem,
settask,
NULL, /* getoriginnode */
getoriginnode, /* getoriginnode */
NULL, /* transfernode */
NULL, /* getnsec3parameters */
NULL, /* findnsec3node */