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Code Issues Releases Wiki Activity

deleting the last NS should always succeed when not at the zone apex

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This commit is contained in:
Andreas Gustafsson 1999-11-19 19:07:16 +00:00
parent 6eccd75f1f
commit 1a3d6530f6
1 changed files with 20 additions and 11 deletions
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31
bin/named/update.c
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@ -2188,20 +2188,29 @@ update_action(isc_task_t *task, isc_event_t *event)
&diff));
}
} else if (update_class == dns_rdataclass_none) {
if (rdata.type == dns_rdatatype_soa) {
isc_log_write(UPDATE_PROTOCOL_LOGARGS,
"attempt to delete SOA ignored");
continue;
}
if (rdata.type == dns_rdatatype_ns) {
int count;
CHECK(rr_count(db, ver, name,
dns_rdatatype_ns, 0, &count));
if (count == 1) {
/*
* The (name == zonename) condition appears in
* RFC2136 3.4.2.4 but is missing from the pseudocode.
*/
if (dns_name_equal(name, zonename)) {
if (rdata.type == dns_rdatatype_soa) {
isc_log_write(UPDATE_PROTOCOL_LOGARGS,
"attempt to delete SOA "
"ignored");
continue;
}
if (rdata.type == dns_rdatatype_ns) {
int count;
CHECK(rr_count(db, ver, name,
dns_rdatatype_ns,
0, &count));
if (count == 1) {
isc_log_write(
UPDATE_PROTOCOL_LOGARGS,
"attempt to delete last "
"NS ignored");
continue;
continue;
}
}
}
isc_log_write(UPDATE_PROTOCOL_LOGARGS,