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dnsserver/update: add a few comments

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Really just signposts.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Douglas Bagnall 2021-04-11 23:38:10 +12:00 committed by Andrew Bartlett
parent 6f9564425f
commit 6bd6b2e9f3
1 changed files with 8 additions and 2 deletions
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10
source4/dns_server/dns_update.c
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@ -554,7 +554,7 @@ static WERROR handle_one_update(struct dns_server *dns,
return WERR_OK;
}
/* All but CNAME, SOA */
recs = talloc_realloc(mem_ctx, recs,
struct dnsp_DnssrvRpcRecord, rcount+1);
W_ERROR_HAVE_NO_MEMORY(recs);
@ -579,13 +579,18 @@ static WERROR handle_one_update(struct dns_server *dns,
return WERR_OK;
}
/* we did not find a matching record. This is new. */
werror = dns_replace_records(dns, mem_ctx, dn,
needs_add, recs, rcount+1);
W_ERROR_NOT_OK_RETURN(werror);
return WERR_OK;
} else if (update->rr_class == DNS_QCLASS_ANY) {
/*
* Mass-deleting records by type, which we do by adding a
* tombstone with zero timestamp. dns_replace_records() will
* work out if the node as a whole needs tombstoning.
*/
if (update->rr_type == DNS_QTYPE_ALL) {
if (dns_name_equal(update->name, zone->name)) {
for (i = first; i < rcount; i++) {
@ -635,6 +640,7 @@ static WERROR handle_one_update(struct dns_server *dns,
return WERR_OK;
} else if (update->rr_class == DNS_QCLASS_NONE) {
/* deleting individual records */
struct dnsp_DnssrvRpcRecord *del_rec;
if (update->rr_type == DNS_QTYPE_SOA) {