Exemplo n.º 1
0
DCPluginSyncFilterResult
dcplugin_sync_post_filter(DCPlugin *dcplugin, DCPluginDNSPacket *dcp_packet)
{
    Blocking                 *blocking = dcplugin_get_user_data(dcplugin);
    ldns_pkt                 *packet = NULL;
    DCPluginSyncFilterResult  result = DCP_SYNC_FILTER_RESULT_OK;

    if (blocking->domains == NULL && blocking->ips == NULL) {
        return DCP_SYNC_FILTER_RESULT_OK;
    }
    if (ldns_wire2pkt(&packet, dcplugin_get_wire_data(dcp_packet),
                      dcplugin_get_wire_data_len(dcp_packet))
        != LDNS_STATUS_OK) {
        return DCP_SYNC_FILTER_RESULT_ERROR;
    }
    if (blocking->domains != NULL &&
        (result = apply_block_domains(dcp_packet, blocking, packet)
            != DCP_SYNC_FILTER_RESULT_OK)) {
        ldns_pkt_free(packet);
        return result;
    }
    if (blocking->ips != NULL &&
        (result = apply_block_ips(dcp_packet, blocking, packet)
            != DCP_SYNC_FILTER_RESULT_OK)) {
        ldns_pkt_free(packet);
        return result;
    }
    ldns_pkt_free(packet);

    return DCP_SYNC_FILTER_RESULT_OK;
}
DCPluginSyncFilterResult
dcplugin_sync_post_filter(DCPlugin *dcplugin, DCPluginDNSPacket *dcp_packet)
{
    Context                  *context = dcplugin_get_user_data(dcplugin);
    ldns_pkt                 *packet;
    DCPluginSyncFilterResult  result = DCP_SYNC_FILTER_RESULT_OK;

    if (context->blacklist == NULL) {
        return DCP_SYNC_FILTER_RESULT_OK;
    }
    if (ldns_wire2pkt(&packet, dcplugin_get_wire_data(dcp_packet),
                      dcplugin_get_wire_data_len(dcp_packet)) != LDNS_STATUS_OK) {
        return DCP_SYNC_FILTER_RESULT_ERROR;
    }
    if ((result = apply_block_ips(dcp_packet, context, packet)
         != DCP_SYNC_FILTER_RESULT_OK)) {
        ldns_pkt_free(packet);
        return result;
    }
    ldns_pkt_free(packet);

    return DCP_SYNC_FILTER_RESULT_OK;
}