Onion *new_onion(DHT *dht)
{
if (dht == NULL)
return NULL;
Onion *onion = calloc(1, sizeof(Onion));
if (onion == NULL)
return NULL;
onion->dht = dht;
onion->net = dht->net;
new_symmetric_key(onion->secret_symmetric_key);
onion->timestamp = unix_time();
networking_registerhandler(onion->net, NET_PACKET_ONION_SEND_INITIAL, &handle_send_initial, onion);
networking_registerhandler(onion->net, NET_PACKET_ONION_SEND_1, &handle_send_1, onion);
networking_registerhandler(onion->net, NET_PACKET_ONION_SEND_2, &handle_send_2, onion);
networking_registerhandler(onion->net, NET_PACKET_ONION_RECV_3, &handle_recv_3, onion);
networking_registerhandler(onion->net, NET_PACKET_ONION_RECV_2, &handle_recv_2, onion);
networking_registerhandler(onion->net, NET_PACKET_ONION_RECV_1, &handle_recv_1, onion);
return onion;
}
static void change_symmetric_key(Onion *onion)
{
if (is_timeout(onion->timestamp, KEY_REFRESH_INTERVAL)) {
new_symmetric_key(onion->secret_symmetric_key);
onion->timestamp = unix_time();
}
}
Onion_Client *new_onion_client(Net_Crypto *c)
{
if (c == NULL)
return NULL;
Onion_Client *onion_c = calloc(1, sizeof(Onion_Client));
if (onion_c == NULL)
return NULL;
if (ping_array_init(&onion_c->announce_ping_array, ANNOUNCE_ARRAY_SIZE, ANNOUNCE_TIMEOUT) != 0) {
free(onion_c);
return NULL;
}
onion_c->dht = c->dht;
onion_c->net = c->dht->net;
onion_c->c = c;
new_symmetric_key(onion_c->secret_symmetric_key);
crypto_box_keypair(onion_c->temp_public_key, onion_c->temp_secret_key);
networking_registerhandler(onion_c->net, NET_PACKET_ANNOUNCE_RESPONSE, &handle_announce_response, onion_c);
networking_registerhandler(onion_c->net, NET_PACKET_ONION_DATA_RESPONSE, &handle_data_response, onion_c);
oniondata_registerhandler(onion_c, FAKEID_DATA_ID, &handle_fakeid_announce, onion_c);
cryptopacket_registerhandler(onion_c->dht, FAKEID_DATA_ID, &handle_dht_fakeid, onion_c);
tcp_onion_response_handler(onion_c->c, &handle_tcp_onion, onion_c);
return onion_c;
}
/* Creates a new groupchat and puts it in the chats array.
*
* return group number on success.
* return -1 on failure.
*/
int add_groupchat(Group_Chats *g_c)
{
int groupnumber = create_group_chat(g_c);
if (groupnumber == -1)
return -1;
Group_c *g = &g_c->chats[groupnumber];
g->status = GROUPCHAT_STATUS_CONNECTED;
new_symmetric_key(g->identifier);
g->peer_number = 0; /* Founder is peer 0. */
memcpy(g->real_pk, g_c->m->net_crypto->self_public_key, crypto_box_PUBLICKEYBYTES);
addpeer(g_c, groupnumber, g->real_pk, g_c->m->dht->self_public_key, 0);
return groupnumber;
}
Onion_Client *new_onion_client(DHT *dht)
{
if (dht == NULL)
return NULL;
Onion_Client *onion_c = calloc(1, sizeof(Onion_Client));
if (onion_c == NULL)
return NULL;
onion_c->dht = dht;
onion_c->net = dht->c->lossless_udp->net;
new_symmetric_key(onion_c->secret_symmetric_key);
networking_registerhandler(onion_c->net, NET_PACKET_ANNOUNCE_RESPONSE, &handle_announce_response, onion_c);
networking_registerhandler(onion_c->net, NET_PACKET_ONION_DATA_RESPONSE, &handle_data_response, onion_c);
oniondata_registerhandler(onion_c, FAKEID_DATA_ID, &handle_fakeid_announce, onion_c);
return onion_c;
}
Onion_Announce *new_onion_announce(DHT *dht)
{
if (dht == NULL) {
return NULL;
}
Onion_Announce *onion_a = (Onion_Announce *)calloc(1, sizeof(Onion_Announce));
if (onion_a == NULL) {
return NULL;
}
onion_a->dht = dht;
onion_a->net = dht->net;
new_symmetric_key(onion_a->secret_bytes);
networking_registerhandler(onion_a->net, NET_PACKET_ANNOUNCE_REQUEST, &handle_announce_request, onion_a);
networking_registerhandler(onion_a->net, NET_PACKET_ONION_DATA_REQUEST, &handle_data_request, onion_a);
return onion_a;
}
Onion_Announce *new_onion_announce(Mono_Time *mono_time, DHT *dht)
{
if (dht == nullptr) {
return nullptr;
}
Onion_Announce *onion_a = (Onion_Announce *)calloc(1, sizeof(Onion_Announce));
if (onion_a == nullptr) {
return nullptr;
}
onion_a->mono_time = mono_time;
onion_a->dht = dht;
onion_a->net = dht_get_net(dht);
new_symmetric_key(onion_a->secret_bytes);
networking_registerhandler(onion_a->net, NET_PACKET_ANNOUNCE_REQUEST, &handle_announce_request, onion_a);
networking_registerhandler(onion_a->net, NET_PACKET_ONION_DATA_REQUEST, &handle_data_request, onion_a);
return onion_a;
}
