C++ (Cpp) client_add_to_list Examples

Example #1

File: onion_client.c Project: Aaron1011/toxcore

static int handle_announce_response(void *object, IP_Port source, const uint8_t *packet, uint16_t length)
{
    Onion_Client *onion_c = object;

    if (length < ONION_ANNOUNCE_RESPONSE_MIN_SIZE || length > ONION_ANNOUNCE_RESPONSE_MAX_SIZE)
        return 1;

    uint16_t len_nodes = length - ONION_ANNOUNCE_RESPONSE_MIN_SIZE;

    uint8_t public_key[crypto_box_PUBLICKEYBYTES];
    IP_Port ip_port;
    uint32_t path_num;
    uint32_t num = check_sendback(onion_c, packet + 1, public_key, &ip_port, &path_num);

    if (num > onion_c->num_friends)
        return 1;

    uint8_t plain[1 + ONION_PING_ID_SIZE + len_nodes];
    int len = -1;

    if (num == 0) {
        len = decrypt_data(public_key, onion_c->c->self_secret_key, packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES,
                           length - (1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES), plain);
    } else {
        if (onion_c->friends_list[num - 1].status == 0)
            return 1;

        len = decrypt_data(public_key, onion_c->friends_list[num - 1].temp_secret_key,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES,
                           length - (1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES), plain);
    }

    if ((uint32_t)len != sizeof(plain))
        return 1;

    if (client_add_to_list(onion_c, num, public_key, ip_port, plain[0], plain + 1, path_num) == -1)
        return 1;

    if (len_nodes != 0) {
        Node_format nodes[MAX_SENT_NODES];
        int num_nodes = unpack_nodes(nodes, MAX_SENT_NODES, 0, plain + 1 + ONION_PING_ID_SIZE, len_nodes, 0);

        if (num_nodes <= 0)
            return 1;

        if (client_ping_nodes(onion_c, num, nodes, num_nodes, source) == -1)
            return 1;
    }

    //TODO: LAN vs non LAN ips?, if we are connected only to LAN, are we offline?
    onion_c->last_packet_recv = unix_time();
    return 0;
}

Example #2

File: onion_client.c Project: anandanwar4/ProjectTox-Core

static int handle_announce_response(void *object, IP_Port source, uint8_t *packet, uint32_t length)
{
    Onion_Client *onion_c = object;

    if (length < ONION_ANNOUNCE_RESPONSE_MIN_SIZE || length > ONION_ANNOUNCE_RESPONSE_MAX_SIZE)
        return 1;

    if ((length - ONION_ANNOUNCE_RESPONSE_MIN_SIZE) % sizeof(Node_format) != 0)
        return 1;

    uint16_t num_nodes = (length - ONION_ANNOUNCE_RESPONSE_MIN_SIZE) / sizeof(Node_format);

    uint8_t public_key[crypto_box_PUBLICKEYBYTES];
    IP_Port ip_port;
    uint32_t num = check_sendback(onion_c, packet + 1, public_key, &ip_port);

    if (num > onion_c->num_friends)
        return 1;

    uint8_t plain[1 + ONION_PING_ID_SIZE + num_nodes * sizeof(Node_format)];
    int len = -1;

    if (num == 0) {
        len = decrypt_data(public_key, onion_c->dht->c->self_secret_key, packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES,
                           length - (1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES), plain);
    } else {
        if (onion_c->friends_list[num - 1].status == 0)
            return 1;

        len = decrypt_data(public_key, onion_c->friends_list[num - 1].temp_secret_key,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH,
                           packet + 1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES,
                           length - (1 + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH + crypto_box_NONCEBYTES), plain);
    }

    if ((uint32_t)len != sizeof(plain))
        return 1;


    if (client_add_to_list(onion_c, num, public_key, ip_port, plain[0], plain + 1, source) == -1)
        return 1;

    Node_format nodes[MAX_SENT_NODES];
    memcpy(nodes, plain + 1 + ONION_PING_ID_SIZE, num_nodes * sizeof(Node_format));

    if (client_ping_nodes(onion_c, num, nodes, num_nodes, source) == -1)
        return 1;

    return 0;
}