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address type detection

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This commit is contained in:
Christien Rioux 2023-09-28 21:54:31 -04:00
parent bbfd21edee
commit 91031531e4
5 changed files with 158 additions and 86 deletions
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4
veilid-core/src/network_manager/mod.rs
View File

@ -65,12 +65,14 @@ pub const PUBLIC_ADDRESS_INCONSISTENCY_PUNISHMENT_TIMEOUT_US: TimestampDuration
pub const ADDRESS_FILTER_TASK_INTERVAL_SECS: u32 = 60;
pub const BOOT_MAGIC: &[u8; 4] = b"BOOT";
#[derive(Copy, Clone, Debug, Default)]
#[derive(Clone, Debug, Default)]
pub struct ProtocolConfig {
pub outbound: ProtocolTypeSet,
pub inbound: ProtocolTypeSet,
pub family_global: AddressTypeSet,
pub family_local: AddressTypeSet,
pub public_internet_capabilities: Vec<FourCC>,
pub local_network_capabilities: Vec<FourCC>,
}
// Things we get when we start up and go away when we shut down

109
veilid-core/src/network_manager/native/discovery_context.rs
View File

@ -14,6 +14,13 @@ pub enum DetectedDialInfo {
Detected(DialInfoDetail),
}
// Detection result of external address
#[derive(Clone, Debug)]
pub struct DetectionResult {
pub ddi: DetectedDialInfo,
pub external_address_types: AddressTypeSet,
}
// Result of checking external address
#[derive(Clone, Debug)]
struct ExternalInfo {
@ -380,28 +387,34 @@ impl DiscoveryContext {
#[instrument(level = "trace", skip(self), ret)]
async fn protocol_process_no_nat(
&self,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectedDialInfo>>>,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectionResult>>>,
) {
let external_1 = self.inner.lock().external_1.as_ref().unwrap().clone();
let this = self.clone();
let do_no_nat_fut: SendPinBoxFuture<Option<DetectedDialInfo>> = Box::pin(async move {
let do_no_nat_fut: SendPinBoxFuture<Option<DetectionResult>> = Box::pin(async move {
// Do a validate_dial_info on the external address from a redirected node
if this
.validate_dial_info(external_1.node.clone(), external_1.dial_info.clone(), true)
.await
{
// Add public dial info with Direct dialinfo class
Some(DetectedDialInfo::Detected(DialInfoDetail {
Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: external_1.dial_info.clone(),
class: DialInfoClass::Direct,
}))
}),
external_address_types: AddressTypeSet::only(external_1.address.address_type()),
})
} else {
// Add public dial info with Blocked dialinfo class
Some(DetectedDialInfo::Detected(DialInfoDetail {
Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: external_1.dial_info.clone(),
class: DialInfoClass::Blocked,
}))
}),
external_address_types: AddressTypeSet::only(external_1.address.address_type()),
})
}
});
unord.push(do_no_nat_fut);
@ -411,7 +424,7 @@ impl DiscoveryContext {
#[instrument(level = "trace", skip(self), ret)]
async fn protocol_process_nat(
&self,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectedDialInfo>>>,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectionResult>>>,
) {
// Get the external dial info for our use here
let (external_1, external_2) = {
@ -424,8 +437,17 @@ impl DiscoveryContext {
// If we have two different external addresses, then this is a symmetric NAT
if external_2.address.address() != external_1.address.address() {
let do_symmetric_nat_fut: SendPinBoxFuture<Option<DetectedDialInfo>> =
Box::pin(async move { Some(DetectedDialInfo::SymmetricNAT) });
let do_symmetric_nat_fut: SendPinBoxFuture<Option<DetectionResult>> =
Box::pin(async move {
Some(DetectionResult {
ddi: DetectedDialInfo::SymmetricNAT,
external_address_types: AddressTypeSet::only(
external_1.address.address_type(),
) | AddressTypeSet::only(
external_2.address.address_type(),
),
})
});
unord.push(do_symmetric_nat_fut);
return;
}
@ -440,7 +462,7 @@ impl DiscoveryContext {
{
if external_1.dial_info.port() != local_port {
let c_external_1 = external_1.clone();
let do_manual_map_fut: SendPinBoxFuture<Option<DetectedDialInfo>> =
let do_manual_map_fut: SendPinBoxFuture<Option<DetectionResult>> =
Box::pin(async move {
// Do a validate_dial_info on the external address, but with the same port as the local port of local interface, from a redirected node
// This test is to see if a node had manual port forwarding done with the same port number as the local listener
@ -457,10 +479,15 @@ impl DiscoveryContext {
.await
{
// Add public dial info with Direct dialinfo class
return Some(DetectedDialInfo::Detected(DialInfoDetail {
return Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: external_1_dial_info_with_local_port,
class: DialInfoClass::Direct,
}));
}),
external_address_types: AddressTypeSet::only(
c_external_1.address.address_type(),
),
});
}
None
@ -475,7 +502,7 @@ impl DiscoveryContext {
// Full Cone NAT Detection
///////////
let this = self.clone();
let do_nat_detect_fut: SendPinBoxFuture<Option<DetectedDialInfo>> = Box::pin(async move {
let do_nat_detect_fut: SendPinBoxFuture<Option<DetectionResult>> = Box::pin(async move {
let mut retry_count = {
let c = this.unlocked_inner.net.config.get();
c.network.restricted_nat_retries
@ -487,7 +514,7 @@ impl DiscoveryContext {
let c_this = this.clone();
let c_external_1 = external_1.clone();
let do_full_cone_fut: SendPinBoxFuture<Option<DetectedDialInfo>> =
let do_full_cone_fut: SendPinBoxFuture<Option<DetectionResult>> =
Box::pin(async move {
// Let's see what kind of NAT we have
// Does a redirected dial info validation from a different address and a random port find us?
@ -502,10 +529,15 @@ impl DiscoveryContext {
// Yes, another machine can use the dial info directly, so Full Cone
// Add public dial info with full cone NAT network class
return Some(DetectedDialInfo::Detected(DialInfoDetail {
return Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: c_external_1.dial_info,
class: DialInfoClass::FullConeNAT,
}));
}),
external_address_types: AddressTypeSet::only(
c_external_1.address.address_type(),
),
});
}
None
});
@ -514,7 +546,7 @@ impl DiscoveryContext {
let c_this = this.clone();
let c_external_1 = external_1.clone();
let c_external_2 = external_2.clone();
let do_restricted_cone_fut: SendPinBoxFuture<Option<DetectedDialInfo>> =
let do_restricted_cone_fut: SendPinBoxFuture<Option<DetectionResult>> =
Box::pin(async move {
// We are restricted, determine what kind of restriction
@ -531,33 +563,43 @@ impl DiscoveryContext {
.await
{
// Got a reply from a non-default port, which means we're only address restricted
return Some(DetectedDialInfo::Detected(DialInfoDetail {
return Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: c_external_1.dial_info.clone(),
class: DialInfoClass::AddressRestrictedNAT,
}));
}),
external_address_types: AddressTypeSet::only(
c_external_1.address.address_type(),
),
});
}
// Didn't get a reply from a non-default port, which means we are also port restricted
Some(DetectedDialInfo::Detected(DialInfoDetail {
Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: c_external_1.dial_info.clone(),
class: DialInfoClass::PortRestrictedNAT,
}))
}),
external_address_types: AddressTypeSet::only(
c_external_1.address.address_type(),
),
})
});
ord.push_back(do_restricted_cone_fut);
// Return the first result we get
let mut some_ddi = None;
let mut some_dr = None;
while let Some(res) = ord.next().await {
if let Some(ddi) = res {
some_ddi = Some(ddi);
if let Some(dr) = res {
some_dr = Some(dr);
break;
}
}
if let Some(ddi) = some_ddi {
if let DetectedDialInfo::Detected(did) = &ddi {
if let Some(dr) = some_dr {
if let DetectedDialInfo::Detected(did) = &dr.ddi {
// If we got something better than restricted NAT or we're done retrying
if did.class < DialInfoClass::AddressRestrictedNAT || retry_count == 0 {
return Some(ddi);
return Some(dr);
}
}
}
@ -575,7 +617,7 @@ impl DiscoveryContext {
/// Add discovery futures to an unordered set that may detect dialinfo when they complete
pub async fn discover(
&self,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectedDialInfo>>>,
unord: &mut FuturesUnordered<SendPinBoxFuture<Option<DetectionResult>>>,
) {
let enable_upnp = {
let c = self.unlocked_inner.net.config.get();
@ -593,16 +635,21 @@ impl DiscoveryContext {
///////////
if enable_upnp {
let this = self.clone();
let do_mapped_fut: SendPinBoxFuture<Option<DetectedDialInfo>> = Box::pin(async move {
let do_mapped_fut: SendPinBoxFuture<Option<DetectionResult>> = Box::pin(async move {
// Attempt a port mapping via all available and enabled mechanisms
// Try this before the direct mapping in the event that we are restarting
// and may not have recorded a mapping created the last time
if let Some(external_mapped_dial_info) = this.try_upnp_port_mapping().await {
// Got a port mapping, let's use it
return Some(DetectedDialInfo::Detected(DialInfoDetail {
return Some(DetectionResult {
ddi: DetectedDialInfo::Detected(DialInfoDetail {
dial_info: external_mapped_dial_info.clone(),
class: DialInfoClass::Mapped,
}));
}),
external_address_types: AddressTypeSet::only(
external_mapped_dial_info.address_type(),
),
});
}
None
});

46
veilid-core/src/network_manager/native/mod.rs
View File

@ -684,7 +684,7 @@ impl Network {
/////////////////////////////////////////////////////////////////
pub fn get_protocol_config(&self) -> ProtocolConfig {
self.inner.lock().protocol_config
self.inner.lock().protocol_config.clone()
}
#[instrument(level = "debug", err, skip_all)]
@ -790,14 +790,33 @@ impl Network {
family_local.insert(AddressType::IPV6);
}
// set up the routing table's network config
// if we have static public dialinfo, upgrade our network class
let public_internet_capabilities = {
PUBLIC_INTERNET_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
let local_network_capabilities = {
LOCAL_NETWORK_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
ProtocolConfig {
outbound,
inbound,
family_global,
family_local,
public_internet_capabilities,
local_network_capabilities,
}
};
inner.protocol_config = protocol_config;
inner.protocol_config = protocol_config.clone();
protocol_config
};
@ -835,36 +854,17 @@ impl Network {
// that we have ports available to us
self.free_bound_first_ports();
// set up the routing table's network config
// if we have static public dialinfo, upgrade our network class
let public_internet_capabilities = {
let c = self.config.get();
PUBLIC_INTERNET_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
let local_network_capabilities = {
let c = self.config.get();
LOCAL_NETWORK_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
editor_public_internet.setup_network(
protocol_config.outbound,
protocol_config.inbound,
protocol_config.family_global,
public_internet_capabilities,
protocol_config.public_internet_capabilities,
);
editor_local_network.setup_network(
protocol_config.outbound,
protocol_config.inbound,
protocol_config.family_local,
local_network_capabilities,
protocol_config.local_network_capabilities,
);
let detect_address_changes = {
let c = self.config.get();

32
veilid-core/src/network_manager/native/network_class_discovery.rs
View File

@ -104,7 +104,7 @@ impl Network {
// Figure out if we can optimize TCP/WS checking since they are often on the same port
let (protocol_config, tcp_same_port) = {
let inner = self.inner.lock();
let protocol_config = inner.protocol_config;
let protocol_config = inner.protocol_config.clone();
let tcp_same_port = if protocol_config.inbound.contains(ProtocolType::TCP)
&& protocol_config.inbound.contains(ProtocolType::WS)
{
@ -126,9 +126,16 @@ impl Network {
.collect();
// Clear public dialinfo and network class in prep for discovery
let mut editor = self
.routing_table()
.edit_routing_domain(RoutingDomain::PublicInternet);
editor.setup_network(
protocol_config.outbound,
protocol_config.inbound,
protocol_config.family_global,
protocol_config.public_internet_capabilities.clone(),
);
editor.clear_dial_info_details(None, None);
editor.set_network_class(None);
editor.clear_relay_node();
@ -227,14 +234,18 @@ impl Network {
}
// Wait for all discovery futures to complete and apply discoverycontexts
let mut all_address_types = AddressTypeSet::new();
loop {
match unord.next().timeout_at(stop_token.clone()).await {
Ok(Some(Some(ddi))) => {
Ok(Some(Some(dr))) => {
// Found some new dial info for this protocol/address combination
self.update_with_detected_dial_info(ddi.clone()).await?;
self.update_with_detected_dial_info(dr.ddi.clone()).await?;
// Add the external address kinds to the set we've seen
all_address_types |= dr.external_address_types;
// Add WS dialinfo as well if it is on the same port as TCP
if let DetectedDialInfo::Detected(did) = &ddi {
if let DetectedDialInfo::Detected(did) = &dr.ddi {
if did.dial_info.protocol_type() == ProtocolType::TCP && tcp_same_port {
// Make WS dialinfo as well with same socket address as TCP
let ws_ddi = DetectedDialInfo::Detected(DialInfoDetail {
@ -263,7 +274,18 @@ impl Network {
}
}
// All done, see if things changed
// All done
// Set the address types we've seen
editor.setup_network(
protocol_config.outbound,
protocol_config.inbound,
all_address_types,
protocol_config.public_internet_capabilities,
);
editor.commit(true).await;
// See if the dial info changed
let new_public_dial_info: HashSet<DialInfoDetail> = self
.routing_table()
.all_filtered_dial_info_details(

25
veilid-core/src/network_manager/wasm/mod.rs
View File

@ -349,14 +349,24 @@ impl Network {
let family_global = AddressTypeSet::from(AddressType::IPV4);
let family_local = AddressTypeSet::from(AddressType::IPV4);
let public_internet_capabilities = {
PUBLIC_INTERNET_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
ProtocolConfig {
outbound,
inbound,
family_global,
family_local,
local_network_capabilities: vec![],
public_internet_capabilities,
}
};
self.inner.lock().protocol_config = protocol_config;
self.inner.lock().protocol_config = protocol_config.clone();
// Start editing routing table
let mut editor_public_internet = self
@ -367,20 +377,11 @@ impl Network {
// set up the routing table's network config
// if we have static public dialinfo, upgrade our network class
let public_internet_capabilities = {
let c = self.config.get();
PUBLIC_INTERNET_CAPABILITIES
.iter()
.copied()
.filter(|cap| !c.capabilities.disable.contains(cap))
.collect::<Vec<Capability>>()
};
editor_public_internet.setup_network(
protocol_config.outbound,
protocol_config.inbound,
protocol_config.family_global,
public_internet_capabilities,
protocol_config.public_internet_capabilities.clone(),
);
editor_public_internet.set_network_class(Some(NetworkClass::WebApp));
@ -454,7 +455,7 @@ impl Network {
}
pub fn get_protocol_config(&self) -> ProtocolConfig {
self.inner.lock().protocol_config
self.inner.lock().protocol_config.clone()
}
//////////////////////////////////////////