static int client_send_announce_request(Onion_Client *onion_c, uint32_t num, IP_Port dest, uint8_t *dest_pubkey,
uint8_t *ping_id)
{
if (num > onion_c->num_friends)
return -1;
uint8_t sendback[ONION_ANNOUNCE_SENDBACK_DATA_LENGTH];
if (new_sendback(onion_c, 0, dest_pubkey, dest, sendback) == -1)
return -1;
uint8_t zero_ping_id[ONION_PING_ID_SIZE] = {0};
if (ping_id == NULL)
ping_id = zero_ping_id;
Node_format nodes[4];
if (random_path(onion_c, nodes) == -1)
return -1;
nodes[3].ip_port = dest;
memcpy(nodes[3].client_id, dest_pubkey, crypto_box_PUBLICKEYBYTES);
if (num == 0) {
return send_announce_request(onion_c->dht, nodes, onion_c->dht->c->self_public_key,
onion_c->dht->c->self_secret_key, ping_id,
onion_c->dht->c->self_public_key, sendback);
} else {
return send_announce_request(onion_c->dht, nodes, onion_c->friends_list[num - 1].temp_public_key,
onion_c->friends_list[num - 1].temp_secret_key, ping_id,
onion_c->friends_list[num - 1].real_client_id, sendback);
}
}
void p2p_cron_announce(ITEM * ti)
{
ITEM *item = NULL;
ITEM *t_new = NULL;
int j = 0;
TID *tid = list_value(ti);
LOOKUP *l = tid->lookup;
NODE_L *n = NULL;
info(_log, NULL, "Start announcing after querying %lu nodes",
list_size(l->list));
item = list_start(l->list);
while (item != NULL && j < 8) {
n = list_value(item);
if (n->token_size != 0) {
t_new = tdb_put(P2P_ANNOUNCE_ENGAGE);
send_announce_request(&n->c_addr, tdb_tid(t_new),
l->target, n->token,
n->token_size);
j++;
}
item = list_next(item);
}
}
static int client_send_announce_request(Onion_Client *onion_c, uint32_t num, IP_Port dest, uint8_t *dest_pubkey,
uint8_t *ping_id, uint32_t pathnum)
{
if (num > onion_c->num_friends)
return -1;
uint64_t sendback;
if (new_sendback(onion_c, num, dest_pubkey, dest, &sendback) == -1)
return -1;
uint8_t zero_ping_id[ONION_PING_ID_SIZE] = {0};
if (ping_id == NULL)
ping_id = zero_ping_id;
Onion_Path path;
Node_format dest_node;
dest_node.ip_port = dest;
memcpy(dest_node.client_id, dest_pubkey, crypto_box_PUBLICKEYBYTES);
if (num == 0) {
if (random_path(onion_c->dht, &onion_c->onion_paths, pathnum, &path) == -1)
return -1;
return send_announce_request(onion_c->net, &path, dest_node, onion_c->c->self_public_key,
onion_c->c->self_secret_key, ping_id,
onion_c->c->self_public_key, onion_c->temp_public_key, sendback);
} else {
if (random_path(onion_c->dht, &onion_c->friends_list[num - 1].onion_paths, pathnum, &path) == -1)
return -1;
return send_announce_request(onion_c->net, &path, dest_node, onion_c->friends_list[num - 1].temp_public_key,
onion_c->friends_list[num - 1].temp_secret_key, ping_id,
onion_c->friends_list[num - 1].real_client_id, zero_ping_id, sendback);
}
}
