int send_ping_request(IP_Port ipp, clientid_t* client_id)
{
pingreq_t pk;
int rc;
uint64_t ping_id;
if (is_pinging(ipp, 0) || id_eq(client_id, self_id))
return 1;
// Generate random ping_id
ping_id = add_ping(ipp);
pk.magic = PACKET_PING_REQ;
id_cpy(&pk.client_id, self_id); // Our pubkey
random_nonce((uint8_t*) &pk.nonce); // Generate random nonce
// Encrypt ping_id using recipient privkey
rc = encrypt_data((uint8_t*) client_id,
self_secret_key,
(uint8_t*) &pk.nonce,
(uint8_t*) &ping_id, sizeof(ping_id),
(uint8_t*) &pk.ping_id);
if (rc != sizeof(ping_id) + ENCRYPTION_PADDING)
return 1;
return sendpacket(ipp, (uint8_t*) &pk, sizeof(pk));
}
int send_ping_request(PING *ping, IP_Port ipp, uint8_t *client_id)
{
uint8_t pk[DHT_PING_SIZE];
int rc;
uint64_t ping_id;
if (is_pinging(ping, ipp, 0) || id_eq(client_id, ping->c->self_public_key))
return 1;
// Generate random ping_id.
ping_id = add_ping(ping, ipp);
pk[0] = NET_PACKET_PING_REQUEST;
id_cpy(pk + 1, ping->c->self_public_key); // Our pubkey
new_nonce(pk + 1 + CLIENT_ID_SIZE); // Generate new nonce
// Encrypt ping_id using recipient privkey
rc = encrypt_data(client_id,
ping->c->self_secret_key,
pk + 1 + CLIENT_ID_SIZE,
(uint8_t *) &ping_id, sizeof(ping_id),
pk + 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES);
if (rc != sizeof(ping_id) + ENCRYPTION_PADDING)
return 1;
return sendpacket(ping->c->lossless_udp->net, ipp, pk, sizeof(pk));
}
