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Code Issues Releases Wiki Activity

silently ignore additional keytag options

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This commit is contained in:
Mark Andrews 2018-12-10 08:41:26 +11:00 committed by Evan Hunt
parent 6f1ac89c1a
commit 35025b6e88
1 changed files with 6 additions and 0 deletions
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6
lib/ns/client.c
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@ -2079,6 +2079,12 @@ process_keytag(ns_client_t *client, isc_buffer_t *buf, size_t optlen) {
return (DNS_R_OPTERR);
}
/* Silently drop additional keytag options. */
if (client->keytag != NULL) {
isc_buffer_forward(buf, (unsigned int)optlen);
return (ISC_R_SUCCESS);
}
client->keytag = isc_mem_get(client->mctx, optlen);
if (client->keytag != NULL) {
client->keytag_len = (uint16_t)optlen;