for(node = connection_tree->head; node; node = node->next) {
c = node->data;
if(c->status.active && c->node && c->node->status.reachable) {
- if(!experimental || OPTION_VERSION(c->node->options) < 2)
+ if(!c->node->status.sptps)
send_ans_key(c->node);
}
}
if(experimental) {
for(node = node_tree->head; node; node = node->next) {
node_t *n = node->data;
- if(n->status.reachable && n->status.validkey && OPTION_VERSION(n->options) >= 2)
+ if(n->status.reachable && n->status.validkey && n->status.sptps)
sptps_force_kex(&n->sptps);
}
}
return true;
}
- if(OPTION_VERSION(n->options) < 2) {
+ if(!n->status.sptps) {
n->status.validkey = false;
n->last_req_key = 0;
}
}
bool send_req_key(node_t *to) {
- if(experimental && OPTION_VERSION(to->options) >= 2) {
+ if(to->status.sptps) {
if(!node_read_ecdsa_public_key(to)) {
logger(DEBUG_ALWAYS, LOG_DEBUG, "No ECDSA key known for %s (%s)", to->name, to->hostname);
send_request(to->nexthop->connection, "%d %s %s %d", REQ_KEY, myself->name, to->name, REQ_PUBKEY);
}
char label[25 + strlen(myself->name) + strlen(to->name)];
snprintf(label, sizeof label, "tinc UDP key expansion %s %s", myself->name, to->name);
+ sptps_stop(&to->sptps);
+ to->status.validkey = false;
+ to->incompression = myself->incompression;
return sptps_start(&to->sptps, to, true, true, myself->connection->ecdsa, to->ecdsa, label, sizeof label, send_initial_sptps_data, receive_sptps_record);
}
char label[25 + strlen(from->name) + strlen(myself->name)];
snprintf(label, sizeof label, "tinc UDP key expansion %s %s", from->name, myself->name);
+ sptps_stop(&from->sptps);
+ from->status.validkey = false;
sptps_start(&from->sptps, from, false, true, myself->connection->ecdsa, from->ecdsa, label, sizeof label, send_sptps_data, receive_sptps_record);
sptps_receive_data(&from->sptps, buf, len);
return true;
/* Check if this key request is for us */
- if(to == myself) { /* Yes, send our own key back */
+ if(to == myself) { /* Yes */
+ /* Is this an extended REQ_KEY message? */
if(experimental && reqno)
return req_key_ext_h(c, request, from, reqno);
+ /* No, just send our key back */
send_ans_key(from);
} else {
if(tunnelserver)
}
bool send_ans_key(node_t *to) {
- if(experimental && OPTION_VERSION(to->options) >= 2)
+ if(to->status.sptps)
abort();
size_t keylen = cipher_keylength(&myself->incipher);
return send_request(to->nexthop->connection, "%s", request);
}
+ if(compression < 0 || compression > 11) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Node %s (%s) uses bogus compression level!", from->name, from->hostname);
+ return true;
+ }
+
+ from->outcompression = compression;
+
/* SPTPS or old-style key exchange? */
- if(experimental && OPTION_VERSION(from->options) >= 2) {
+ if(from->status.sptps) {
char buf[strlen(key)];
int len = b64decode(key, buf, strlen(key));
return false;
}
- if(compression < 0 || compression > 11) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Node %s (%s) uses bogus compression level!", from->name, from->hostname);
- return true;
- }
-
- from->outcompression = compression;
-
/* Process key */
keylen = hex2bin(key, key, sizeof key);