DNSSEC in server working with recursive mode too

This commit is contained in:
Willem Toorop 2016-05-22 20:49:52 +02:00
parent 382a5ec452
commit 7b47e82eae
1 changed files with 40 additions and 4 deletions

View File

@ -2143,6 +2143,7 @@ listen_data *listening = NULL;
typedef struct dns_msg {
listen_data *ld;
getdns_dict *query;
getdns_resolution_t rt;
getdns_transaction_t transaction_id;
} dns_msg;
@ -2246,6 +2247,8 @@ void request_cb(getdns_context *context, getdns_callback_type_t callback_type,
getdns_return_t r;
uint8_t buf[65536];
size_t len = sizeof(buf);
uint32_t n;
getdns_dict *dict;
if (callback_type != GETDNS_CALLBACK_COMPLETE) {
if (response)
@ -2259,6 +2262,26 @@ void request_cb(getdns_context *context, getdns_callback_type_t callback_type,
else if (!response)
fprintf(stderr, "No response in request_cb\n");
else if (getdns_dict_get_int(
response, "/replies_tree/0/header/rcode", &n) && (
(r = getdns_dict_get_dict(msg->query, "header", &dict)) ||
(r = getdns_dict_set_dict(response, "/replies_tree/0/header", dict)) ||
(r = getdns_dict_get_dict(msg->query, "question", &dict)) ||
(r = getdns_dict_set_dict(response, "/replies_tree/0/question", dict)) ||
(r = getdns_dict_set_int(response, "/replies_tree/0/header/rcode", GETDNS_RCODE_SERVFAIL)) ||
(r = getdns_dict_set_int(response, "/replies_tree/0/header/qr", 1)) ||
(r = getdns_dict_set_int(response, "/replies_tree/0/header/ad", 0))
))
fprintf(stderr, "Could not set answer rcode: %s\n",
getdns_get_errorstr_by_id(r));
else if (!getdns_dict_get_int(
response, "/replies_tree/0/dnssec_status", &n) &&
n == GETDNS_DNSSEC_BOGUS &&
(r = getdns_dict_set_int(response, "/replies_tree/0/header/rcode", GETDNS_RCODE_SERVFAIL)))
fprintf(stderr, "Could not set answer rcode: %s\n",
getdns_get_errorstr_by_id(r));
else if ((r = getdns_dict_set_int(response,
"/replies_tree/0/header/id", qid)))
fprintf(stderr, "Could not set qid: %s\n",
@ -2324,13 +2347,22 @@ getdns_return_t schedule_request(dns_msg *msg)
getdns_list *list;
/* pass through the header and the OPT record */
if (!getdns_dict_get_dict(msg->query, "header", &header))
(void)getdns_dict_set_dict(extensions, "header", header);
if (!getdns_dict_get_int(msg->query, "/additional/0/do", &n))
n = 0;
(void) getdns_dict_get_int(msg->query, "/additional/0/do", &n);
if (msg->rt == GETDNS_RESOLUTION_STUB) {
(void)getdns_dict_set_int(
extensions, "/add_opt_parameters/do_bit", n);
if (!getdns_dict_get_dict(msg->query, "header", &header))
(void)getdns_dict_set_dict(extensions, "header", header);
} else {
(void)getdns_dict_set_int(extensions, "dnssec_return_status",
n ? GETDNS_EXTENSION_TRUE : GETDNS_EXTENSION_FALSE);
n = 0;
(void) getdns_dict_get_int(msg->query, "/header/cd", &n);
r = getdns_dict_set_int(extensions, "dnssec_return_all_statuses",
n ? GETDNS_EXTENSION_TRUE : GETDNS_EXTENSION_FALSE);
}
if (!getdns_dict_get_int(msg->query,"/additional/0/extended_rcode",&n))
(void)getdns_dict_set_int(
extensions, "/add_opt_parameters/extended_rcode", n);
@ -2362,6 +2394,10 @@ getdns_return_t schedule_request(dns_msg *msg)
fprintf(stderr, "Could get qtype from query: %s\n",
getdns_get_errorstr_by_id(r));
else if ((r = getdns_context_get_resolution_type(context, &msg->rt)))
fprintf(stderr, "Could get resolution type from context: %s\n",
getdns_get_errorstr_by_id(r));
else if ((r = getdns_general(context, qname_str, qtype,
extensions, msg, &msg->transaction_id, request_cb)))
fprintf(stderr, "Could not schedule query: %s\n",