void params_free(struct init_params *params)
{
if (params->bind_address != NULL)
free(params->bind_address);
if (params->bind_port != NULL)
free(params->bind_port);
if (params->proxy_address != NULL)
free(params->proxy_address);
if (params->destination_address != NULL)
free(params->destination_address);
if (params->destination_port != NULL)
free(params->destination_port);
if (params->packets_send != NULL)
packets_free(params->packets_send);
if (params->packets_receive != NULL)
packets_free(params->packets_receive);
if (params->connections != NULL)
connections_free(params->connections);
if (params->client_buffer != NULL)
data_free(params->client_buffer);
if (params->libnet != NULL)
libnet_destroy(params->libnet);
if (params->libpcap != NULL)
pcap_close(params->libpcap);
free(params);
}
void state_free(struct state *state)
{
/* We have to stop the system call thread first, since it's using
* sockets that we want to close and reset.
*/
syscalls_free(state, state->syscalls);
/* Then we close the sockets and reset the connections, while
* we still have a netdev for injecting reset packets to free
* per-connection kernel state.
*/
close_all_sockets(state);
netdev_free(state->netdev);
packets_free(state->packets);
code_free(state->code);
run_unlock(state);
if (pthread_mutex_destroy(&state->mutex) != 0)
die_perror("pthread_mutex_destroy");
memset(state, 0, sizeof(*state)); /* paranoia to help catch bugs */
free(state);
}