/**
* Get the config from the jool kernel app, then serialized a local config copy,
* then deserialize the buffer and finally compare the configs.
* */
static bool basic_test(void)
{
int error;
unsigned char *buffer;
size_t buffer_len;
bool success = true;
struct global_config config = { .mtu_plateaus = NULL };
struct global_config response = { .mtu_plateaus = NULL };
error = config_clone(&config);
if (error)
return false;
error = serialize_global_config(&config, true, &buffer, &buffer_len);
if (error)
return false;
error = deserialize_global_config(buffer, buffer_len, &response);
if (error)
return false;
success &= compare_global_configs(&config, &response);
kfree(buffer);
return success;
}
static int handle_global_config(struct nlmsghdr *nl_hdr, struct request_hdr *jool_hdr,
union request_global *request)
{
struct global_config response = { .mtu_plateaus = NULL };
unsigned char *buffer;
size_t buffer_len;
bool disabled;
int error;
switch (jool_hdr->operation) {
case OP_DISPLAY:
log_debug("Returning 'Global' options.");
error = config_clone(&response);
if (error)
goto end;
disabled = xlat_is_nat64()
? pool6_is_empty()
: (pool6_is_empty() && eamt_is_empty());
error = serialize_global_config(&response, disabled, &buffer, &buffer_len);
if (error)
goto end;
error = respond_setcfg(nl_hdr, buffer, buffer_len);
kfree(buffer);
break;
case OP_UPDATE:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Updating 'Global' options.");
buffer = (unsigned char *) (request + 1);
buffer_len = jool_hdr->length - sizeof(*jool_hdr) - sizeof(*request);
error = handle_global_update(request->update.type, buffer_len, buffer);
break;
default:
log_err("Unknown operation: %d", jool_hdr->operation);
error = -EINVAL;
}
end:
return respond_error(nl_hdr, error);
}
static void
init_Configure(GtkWidget * dialog)
{
guint i;
GtkWidget *cbTypes;
cbTypes = ui_lookup_widget(dialog, "comboboxType");
g_object_set(cbTypes, "wrap-width", 3, NULL);
for (i = 0; i < geany->filetypes_array->len; i++)
{
gtk_combo_box_append_text(GTK_COMBO_BOX(cbTypes),
((struct GeanyFiletype *) (filetypes[i]))->
name);
}
g_object_set_data(G_OBJECT(cbTypes), "config", config_clone());
g_object_set_data(G_OBJECT(cbTypes), "current", NULL);
gtk_combo_box_set_active(GTK_COMBO_BOX(cbTypes), 0);
}
/**
* Same as above, the only difference is that we set NULL the mtu_plateaus from
* the local translate config.
*/
static bool translate_nulls_mtu(void)
{
int error;
unsigned char *buffer;
size_t buffer_len;
bool success = true;
struct global_config config = { .mtu_plateaus = NULL };
struct global_config response = { .mtu_plateaus = NULL };
error = config_clone(&config);
if (error)
return false;
/*
* lets modify our local config manually, jool's update functions wont
* update to null
*/
config.mtu_plateaus = NULL;
config.mtu_plateau_count = 0;
error = serialize_global_config(&config, true, &buffer, &buffer_len);
if (error)
return false;
error = deserialize_global_config(buffer, buffer_len, &response);
if (error)
return false;
success &= compare_global_configs(&config, &response);
/* the "compare_global_configs" will not evaluate the mtu_plateaus
* because of the plateau_count = 0
*/
success &= ASSERT_PTR(NULL, config.mtu_plateaus,
"local config mtu_plateaus");
success &= ASSERT_PTR(NULL, response.mtu_plateaus,
"deserialized config mtu_plateaus");
kfree(buffer);
return success;
}
static int handle_global_update(enum global_type type, size_t size, unsigned char *value)
{
struct global_config *config;
bool timer_needs_update = false;
enum session_timer_type timer_type;
int error;
config = kmalloc(sizeof(*config), GFP_KERNEL);
if (!config)
return -ENOMEM;
config->mtu_plateaus = NULL;
error = config_clone(config);
if (error)
goto fail;
switch (type) {
#ifdef STATEFUL
case MAX_PKTS:
if (!ensure_bytes(size, 8))
goto einval;
config->max_stored_pkts = *((__u64 *) value);
break;
case SRC_ICMP6ERRS_BETTER:
if (!ensure_bytes(size, 1))
goto einval;
config->src_icmp6errs_better = *((__u8 *) value);
break;
case BIB_LOGGING:
if (!ensure_bytes(size, 1))
goto einval;
config->bib_logging = *((__u8 *) value);
break;
case SESSION_LOGGING:
if (!ensure_bytes(size, 1))
goto einval;
config->session_logging = *((__u8 *) value);
break;
case UDP_TIMEOUT:
if (!ensure_bytes(size, 8))
goto einval;
if (!assign_timeout(value, UDP_MIN, &config->ttl.udp))
goto einval;
timer_needs_update = true;
timer_type = SESSIONTIMER_UDP;
break;
case ICMP_TIMEOUT:
if (!ensure_bytes(size, 8))
goto einval;
if (!assign_timeout(value, 0, &config->ttl.icmp))
goto einval;
timer_needs_update = true;
timer_type = SESSIONTIMER_ICMP;
break;
case TCP_EST_TIMEOUT:
if (!ensure_bytes(size, 8))
goto einval;
if (!assign_timeout(value, TCP_EST, &config->ttl.tcp_est))
goto einval;
timer_needs_update = true;
timer_type = SESSIONTIMER_EST;
break;
case TCP_TRANS_TIMEOUT:
if (!ensure_bytes(size, 8))
goto einval;
if (!assign_timeout(value, TCP_TRANS, &config->ttl.tcp_trans))
goto einval;
timer_needs_update = true;
timer_type = SESSIONTIMER_TRANS;
break;
case FRAGMENT_TIMEOUT:
if (!ensure_bytes(size, 8))
goto einval;
if (!assign_timeout(value, FRAGMENT_MIN, &config->ttl.frag))
goto einval;
break;
case DROP_BY_ADDR:
if (!ensure_bytes(size, 1))
goto einval;
config->drop_by_addr = *((__u8 *) value);
break;
case DROP_ICMP6_INFO:
if (!ensure_bytes(size, 1))
goto einval;
config->drop_icmp6_info = *((__u8 *) value);
break;
case DROP_EXTERNAL_TCP:
if (!ensure_bytes(size, 1))
goto einval;
config->drop_external_tcp = *((__u8 *) value);
break;
#else
case COMPUTE_UDP_CSUM_ZERO:
if (!ensure_bytes(size, 1))
goto einval;
config->compute_udp_csum_zero = *((__u8 *) value);
break;
case RANDOMIZE_RFC6791:
if (!ensure_bytes(size, 1))
goto einval;
config->randomize_error_addresses = *((__u8 *) value);
break;
#endif
case RESET_TCLASS:
if (!ensure_bytes(size, 1))
goto einval;
config->reset_traffic_class = *((__u8 *) value);
break;
case RESET_TOS:
if (!ensure_bytes(size, 1))
goto einval;
config->reset_tos = *((__u8 *) value);
break;
case NEW_TOS:
if (!ensure_bytes(size, 1))
goto einval;
config->new_tos = *((__u8 *) value);
break;
case DF_ALWAYS_ON:
if (!ensure_bytes(size, 1))
goto einval;
config->atomic_frags.df_always_on = *((__u8 *) value);
break;
case BUILD_IPV6_FH:
if (!ensure_bytes(size, 1))
goto einval;
config->atomic_frags.build_ipv6_fh = *((__u8 *) value);
break;
case BUILD_IPV4_ID:
if (!ensure_bytes(size, 1))
goto einval;
config->atomic_frags.build_ipv4_id = *((__u8 *) value);
break;
case LOWER_MTU_FAIL:
if (!ensure_bytes(size, 1))
goto einval;
config->atomic_frags.lower_mtu_fail = *((__u8 *) value);
break;
case MTU_PLATEAUS:
if (is_error(update_plateaus(config, size, value)))
goto einval;
break;
case DISABLE:
config->is_disable = (__u8) true;
break;
case ENABLE:
config->is_disable = (__u8) false;
break;
case ATOMIC_FRAGMENTS:
if (!ensure_bytes(size, 1))
goto einval;
config->atomic_frags.df_always_on = *((__u8 *) value);
config->atomic_frags.build_ipv6_fh = *((__u8 *) value);
config->atomic_frags.build_ipv4_id = !(*((__u8 *) value));
config->atomic_frags.lower_mtu_fail = !(*((__u8 *) value));
break;
default:
log_err("Unknown config type: %u", type);
goto einval;
}
error = config_set(config);
if (error)
goto fail;
if (timer_needs_update)
error = sessiondb_update_timer(timer_type);
return error;
einval:
error = -EINVAL;
/* Fall through. */
fail:
kfree(config->mtu_plateaus);
kfree(config);
return error;
}
