mirror of
https://gitlab.com/veilid/veilid.git
synced 2024-10-01 01:26:08 -04:00
517 lines
19 KiB
Cap'n Proto
517 lines
19 KiB
Cap'n Proto
@0x8ffce8033734ab02;
|
|
|
|
# IDs And Hashes
|
|
##############################
|
|
|
|
struct Curve25519PublicKey {
|
|
u0 @0 :UInt64;
|
|
u1 @1 :UInt64;
|
|
u2 @2 :UInt64;
|
|
u3 @3 :UInt64;
|
|
}
|
|
|
|
struct Ed25519Signature {
|
|
u0 @0 :UInt64;
|
|
u1 @1 :UInt64;
|
|
u2 @2 :UInt64;
|
|
u3 @3 :UInt64;
|
|
u4 @4 :UInt64;
|
|
u5 @5 :UInt64;
|
|
u6 @6 :UInt64;
|
|
u7 @7 :UInt64;
|
|
}
|
|
|
|
struct XChaCha20Poly1305Nonce {
|
|
u0 @0 :UInt64;
|
|
u1 @1 :UInt64;
|
|
u2 @2 :UInt64;
|
|
}
|
|
|
|
struct BLAKE3Hash {
|
|
u0 @0 :UInt64;
|
|
u1 @1 :UInt64;
|
|
u2 @2 :UInt64;
|
|
u3 @3 :UInt64;
|
|
}
|
|
|
|
using NodeID = Curve25519PublicKey;
|
|
using RoutePublicKey = Curve25519PublicKey;
|
|
using ValueID = Curve25519PublicKey;
|
|
using Nonce = XChaCha20Poly1305Nonce;
|
|
using Signature = Ed25519Signature;
|
|
using BlockID = BLAKE3Hash;
|
|
using TunnelID = UInt64;
|
|
|
|
# Node Dial Info
|
|
################################################################
|
|
|
|
struct AddressIPV4 {
|
|
addr @0 :UInt32; # Address in big endian format
|
|
}
|
|
|
|
struct AddressIPV6 {
|
|
addr0 @0 :UInt32; # \
|
|
addr1 @1 :UInt32; # \ Address in big
|
|
addr2 @2 :UInt32; # / endian format
|
|
addr3 @3 :UInt32; # /
|
|
}
|
|
|
|
struct Address {
|
|
union {
|
|
ipv4 @0 :AddressIPV4;
|
|
ipv6 @1 :AddressIPV6;
|
|
}
|
|
}
|
|
|
|
struct SocketAddress {
|
|
address @0 :Address;
|
|
port @1 :UInt16;
|
|
}
|
|
|
|
enum ProtocolKind {
|
|
udp @0;
|
|
ws @1;
|
|
wss @2;
|
|
tcp @3;
|
|
}
|
|
|
|
struct DialInfoUDP {
|
|
socketAddress @0 :SocketAddress;
|
|
}
|
|
|
|
struct DialInfoTCP {
|
|
socketAddress @0 :SocketAddress;
|
|
}
|
|
|
|
struct DialInfoWS {
|
|
socketAddress @0 :SocketAddress;
|
|
request @1 :Text;
|
|
}
|
|
|
|
struct DialInfoWSS {
|
|
socketAddress @0 :SocketAddress;
|
|
request @1 :Text;
|
|
}
|
|
|
|
struct DialInfo {
|
|
union {
|
|
udp @0 :DialInfoUDP;
|
|
tcp @1 :DialInfoTCP;
|
|
ws @2 :DialInfoWS;
|
|
wss @3 :DialInfoWSS;
|
|
}
|
|
}
|
|
|
|
struct NodeDialInfo {
|
|
nodeId @0 :NodeID; # node id
|
|
dialInfo @1 :DialInfo; # how to get to the node
|
|
}
|
|
|
|
# Signals
|
|
##############################
|
|
|
|
struct SignalInfoHolePunch {
|
|
receipt @0 :Data; # receipt to return with hole punch
|
|
peerInfo @1 :PeerInfo; # peer info of the signal sender for hole punch attempt
|
|
}
|
|
|
|
struct SignalInfoReverseConnect {
|
|
receipt @0 :Data; # receipt to return with reverse connect
|
|
peerInfo @1 :PeerInfo; # peer info of the signal sender for reverse connect attempt
|
|
}
|
|
|
|
# Private Routes
|
|
##############################
|
|
|
|
struct RouteHopData {
|
|
nonce @0 :Nonce; # nonce for encrypted blob
|
|
blob @1 :Data; # encrypted blob with ENC(nonce,DH(PK,SK))
|
|
# can be one of:
|
|
# if more hops remain in this route: RouteHop (0 byte appended as key)
|
|
# if end of safety route and starting private route: PrivateRoute (1 byte appended as key)
|
|
}
|
|
|
|
struct RouteHop {
|
|
dialInfo @0 :NodeDialInfo; # dial info for this hop
|
|
nextHop @1 :RouteHopData; # Optional: next hop in encrypted blob
|
|
# Null means no next hop, at destination (only used in private route, safety routes must enclose a stub private route)
|
|
}
|
|
|
|
struct PrivateRoute {
|
|
publicKey @0 :RoutePublicKey; # private route public key (unique per private route)
|
|
hopCount @1 :UInt8; # Count of hops left in the private route
|
|
firstHop @2 :RouteHop; # Optional: first hop in the private route
|
|
}
|
|
|
|
struct SafetyRoute {
|
|
publicKey @0 :RoutePublicKey; # safety route public key (unique per safety route)
|
|
hopCount @1 :UInt8; # Count of hops left in the safety route
|
|
hops :union {
|
|
data @2 :RouteHopData; # safety route has more hops
|
|
private @3 :PrivateRoute; # safety route has ended and private route follows
|
|
}
|
|
}
|
|
|
|
# Values
|
|
##############################
|
|
|
|
using ValueSeqNum = UInt32; # sequence numbers for values
|
|
|
|
struct ValueKey {
|
|
publicKey @0 :ValueID; # the location of the value
|
|
subkey @1 :Text; # the name of the subkey (or empty if the whole key)
|
|
}
|
|
|
|
# struct ValueKeySeq {
|
|
# key @0 :ValueKey; # the location of the value
|
|
# seq @1 :ValueSeqNum; # the sequence number of the value subkey
|
|
# }
|
|
|
|
struct ValueData {
|
|
data @0 :Data; # value or subvalue contents in CBOR format
|
|
seq @1 :ValueSeqNum; # sequence number of value
|
|
}
|
|
|
|
# Operations
|
|
##############################
|
|
|
|
enum NetworkClass {
|
|
inboundCapable @0; # I = Inbound capable without relay, may require signal
|
|
outboundOnly @1; # O = Outbound only, inbound relay required except with reverse connect signal
|
|
webApp @2; # W = PWA, outbound relay is required in most cases
|
|
}
|
|
|
|
enum DialInfoClass {
|
|
direct @0; # D = Directly reachable with public IP and no firewall, with statically configured port
|
|
mapped @1; # M = Directly reachable with via portmap behind any NAT or firewalled with dynamically negotiated port
|
|
fullConeNAT @2; # F = Directly reachable device without portmap behind full-cone NAT
|
|
blocked @3; # B = Inbound blocked at firewall but may hole punch with public address
|
|
addressRestrictedNAT @4; # A = Device without portmap behind address-only restricted NAT
|
|
portRestrictedNAT @5; # P = Device without portmap behind address-and-port restricted NAT
|
|
}
|
|
|
|
struct DialInfoDetail {
|
|
dialInfo @0 :DialInfo;
|
|
class @1 :DialInfoClass;
|
|
}
|
|
|
|
struct PublicInternetNodeStatus {
|
|
willRoute @0 :Bool;
|
|
willTunnel @1 :Bool;
|
|
willSignal @2 :Bool;
|
|
willRelay @3 :Bool;
|
|
willValidateDialInfo @4 :Bool;
|
|
}
|
|
|
|
struct LocalNetworkNodeStatus {
|
|
willRelay @0 :Bool;
|
|
willValidateDialInfo @1 :Bool;
|
|
}
|
|
|
|
struct NodeStatus {
|
|
union {
|
|
publicInternet @0 :PublicInternetNodeStatus;
|
|
localNetwork @1 :LocalNetworkNodeStatus;
|
|
}
|
|
}
|
|
|
|
struct ProtocolTypeSet {
|
|
udp @0 :Bool;
|
|
tcp @1 :Bool;
|
|
ws @2 :Bool;
|
|
wss @3 :Bool;
|
|
}
|
|
|
|
struct AddressTypeSet {
|
|
ipv4 @0 :Bool;
|
|
ipv6 @1 :Bool;
|
|
}
|
|
|
|
struct NodeInfo {
|
|
networkClass @0 :NetworkClass; # network class of this node
|
|
outboundProtocols @1 :ProtocolTypeSet; # protocols that can go outbound
|
|
addressTypes @2 :AddressTypeSet; # address types supported
|
|
minVersion @3 :UInt8; # minimum protocol version for rpc
|
|
maxVersion @4 :UInt8; # maximum protocol version for rpc
|
|
dialInfoDetailList @5 :List(DialInfoDetail); # inbound dial info details for this node
|
|
relayPeerInfo @6 :PeerInfo; # (optional) relay peer info for this node
|
|
}
|
|
|
|
struct SignedNodeInfo {
|
|
nodeInfo @0 :NodeInfo; # node info
|
|
signature @1 :Signature; # signature
|
|
timestamp @2 :UInt64; # when signed node info was generated
|
|
}
|
|
|
|
struct SenderInfo {
|
|
socketAddress @0 :SocketAddress; # socket address was available for peer
|
|
}
|
|
|
|
struct PeerInfo {
|
|
nodeId @0 :NodeID; # node id for 'closer peer'
|
|
signedNodeInfo @1 :SignedNodeInfo; # signed node info for 'closer peer'
|
|
}
|
|
|
|
struct RoutedOperation {
|
|
signatures @0 :List(Signature); # signatures from nodes that have handled the private route
|
|
nonce @1 :Nonce; # nonce Xmsg
|
|
data @2 :Data; # Operation encrypted with ENC(Xmsg,DH(PKapr,SKbsr))
|
|
}
|
|
|
|
struct OperationStatusQ {
|
|
nodeStatus @0 :NodeStatus; # node status update about the statusq sender
|
|
}
|
|
|
|
struct OperationStatusA {
|
|
nodeStatus @0 :NodeStatus; # returned node status
|
|
senderInfo @1 :SenderInfo; # info about StatusQ sender from the perspective of the replier
|
|
}
|
|
|
|
struct OperationValidateDialInfo {
|
|
dialInfo @0 :DialInfo; # dial info to use for the receipt
|
|
receipt @1 :Data; # receipt to return to dial info to prove it is reachable
|
|
redirect @2 :Bool; # request a different node do the validate
|
|
}
|
|
|
|
struct OperationReturnReceipt {
|
|
receipt @0 :Data; # receipt being returned to its origin
|
|
}
|
|
|
|
struct OperationFindNodeQ {
|
|
nodeId @0 :NodeID; # node id to locate
|
|
}
|
|
|
|
struct OperationFindNodeA {
|
|
peers @0 :List(PeerInfo); # returned 'closer peer' information
|
|
}
|
|
|
|
struct OperationRoute {
|
|
safetyRoute @0 :SafetyRoute; # Where this should go
|
|
operation @1 :RoutedOperation; # The operation to be routed
|
|
}
|
|
|
|
struct OperationNodeInfoUpdate {
|
|
signedNodeInfo @0 :SignedNodeInfo; # Our signed node info
|
|
}
|
|
|
|
|
|
struct OperationAppCallQ {
|
|
message @0 :Data; # Opaque request to application
|
|
}
|
|
|
|
struct OperationAppCallA {
|
|
message @0 :Data; # Opaque response from application
|
|
}
|
|
|
|
struct OperationAppMessage {
|
|
message @0 :Data; # Opaque message to application
|
|
}
|
|
|
|
struct OperationGetValueQ {
|
|
key @0 :ValueKey; # key for value to get
|
|
}
|
|
|
|
struct OperationGetValueA {
|
|
union {
|
|
data @0 :ValueData; # the value if successful
|
|
peers @1 :List(PeerInfo); # returned 'closer peer' information if not successful
|
|
}
|
|
}
|
|
|
|
struct OperationSetValueQ {
|
|
key @0 :ValueKey; # key for value to update
|
|
value @1 :ValueData; # value or subvalue contents in CBOR format (older or equal seq number gets dropped)
|
|
}
|
|
|
|
struct OperationSetValueA {
|
|
union {
|
|
data @0 :ValueData; # the new value if successful, may be a different value than what was set if the seq number was lower or equal
|
|
peers @1 :List(PeerInfo); # returned 'closer peer' information if not successful
|
|
}
|
|
}
|
|
|
|
struct OperationWatchValueQ {
|
|
key @0 :ValueKey; # key for value to watch
|
|
}
|
|
|
|
struct OperationWatchValueA {
|
|
expiration @0 :UInt64; # timestamp when this watch will expire in usec since epoch (0 if watch failed)
|
|
peers @1 :List(PeerInfo); # returned list of other nodes to ask that could propagate watches
|
|
}
|
|
|
|
struct OperationValueChanged {
|
|
key @0 :ValueKey; # key for value that changed
|
|
value @1 :ValueData; # value or subvalue contents in CBOR format with sequence number
|
|
}
|
|
|
|
struct OperationSupplyBlockQ {
|
|
blockId @0 :BlockID; # hash of the block we can supply
|
|
}
|
|
|
|
struct OperationSupplyBlockA {
|
|
union {
|
|
expiration @0 :UInt64; # when the block supplier entry will need to be refreshed
|
|
peers @1 :List(PeerInfo); # returned 'closer peer' information if not successful
|
|
}
|
|
}
|
|
|
|
struct OperationFindBlockQ {
|
|
blockId @0 :BlockID; # hash of the block to locate
|
|
}
|
|
|
|
struct OperationFindBlockA {
|
|
data @0 :Data; # Optional: the actual block data if we have that block ourselves
|
|
# null if we don't have a block to return
|
|
suppliers @1 :List(PeerInfo); # returned list of suppliers if we have them
|
|
peers @2 :List(PeerInfo); # returned 'closer peer' information
|
|
}
|
|
|
|
struct OperationSignal {
|
|
union {
|
|
holePunch @0 :SignalInfoHolePunch;
|
|
reverseConnect @1 :SignalInfoReverseConnect;
|
|
}
|
|
}
|
|
|
|
enum TunnelEndpointMode {
|
|
raw @0; # raw tunnel
|
|
turn @1; # turn tunnel
|
|
}
|
|
|
|
enum TunnelError {
|
|
badId @0; # Tunnel ID was rejected
|
|
noEndpoint @1; # Endpoint was unreachable
|
|
rejectedMode @2; # Endpoint couldn't provide mode
|
|
noCapacity @3; # Endpoint is full
|
|
}
|
|
|
|
struct TunnelEndpoint {
|
|
mode @0 :TunnelEndpointMode; # what kind of endpoint this is
|
|
description @1 :Text; # endpoint description (TODO)
|
|
}
|
|
|
|
struct FullTunnel {
|
|
id @0 :TunnelID; # tunnel id to use everywhere
|
|
timeout @1 :UInt64; # duration from last data when this expires if no data is sent or received
|
|
local @2 :TunnelEndpoint; # local endpoint
|
|
remote @3 :TunnelEndpoint; # remote endpoint
|
|
}
|
|
|
|
struct PartialTunnel {
|
|
id @0 :TunnelID; # tunnel id to use everywhere
|
|
timeout @1 :UInt64; # timestamp when this expires if not completed
|
|
local @2 :TunnelEndpoint; # local endpoint
|
|
}
|
|
|
|
struct OperationStartTunnelQ {
|
|
id @0 :TunnelID; # tunnel id to use everywhere
|
|
localMode @1 :TunnelEndpointMode; # what kind of local endpoint mode is being requested
|
|
depth @2 :UInt8; # the number of nodes in the tunnel
|
|
}
|
|
|
|
struct OperationStartTunnelA {
|
|
union {
|
|
partial @0 :PartialTunnel; # the first half of the tunnel
|
|
error @1 :TunnelError; # if we didn't start the tunnel, why not
|
|
}
|
|
}
|
|
|
|
struct OperationCompleteTunnelQ {
|
|
id @0 :TunnelID; # tunnel id to use everywhere
|
|
localMode @1 :TunnelEndpointMode; # what kind of local endpoint mode is being requested
|
|
depth @2 :UInt8; # the number of nodes in the tunnel
|
|
endpoint @3 :TunnelEndpoint; # the remote endpoint to complete
|
|
}
|
|
|
|
struct OperationCompleteTunnelA {
|
|
union {
|
|
tunnel @0 :FullTunnel; # the tunnel description
|
|
error @1 :TunnelError; # if we didn't complete the tunnel, why not
|
|
}
|
|
}
|
|
|
|
struct OperationCancelTunnelQ {
|
|
id @0 :TunnelID; # the tunnel id to cancel
|
|
}
|
|
|
|
struct OperationCancelTunnelA {
|
|
union {
|
|
tunnel @0 :TunnelID; # the tunnel id that was cancelled
|
|
error @1 :TunnelError; # if we couldn't cancel, why not
|
|
}
|
|
}
|
|
|
|
# Things that want an answer
|
|
struct Question {
|
|
respondTo :union {
|
|
sender @0 :Void; # sender
|
|
privateRoute @1 :PrivateRoute; # embedded private route to be used for reply
|
|
}
|
|
detail :union {
|
|
# Direct operations
|
|
statusQ @2 :OperationStatusQ;
|
|
findNodeQ @3 :OperationFindNodeQ;
|
|
|
|
# Routable operations
|
|
getValueQ @4 :OperationGetValueQ;
|
|
setValueQ @5 :OperationSetValueQ;
|
|
watchValueQ @6 :OperationWatchValueQ;
|
|
supplyBlockQ @7 :OperationSupplyBlockQ;
|
|
findBlockQ @8 :OperationFindBlockQ;
|
|
appCallQ @9 :OperationAppCallQ;
|
|
|
|
# Tunnel operations
|
|
startTunnelQ @10 :OperationStartTunnelQ;
|
|
completeTunnelQ @11 :OperationCompleteTunnelQ;
|
|
cancelTunnelQ @12 :OperationCancelTunnelQ;
|
|
}
|
|
}
|
|
|
|
# Things that don't want an answer
|
|
struct Statement {
|
|
detail :union {
|
|
# Direct operations
|
|
validateDialInfo @0 :OperationValidateDialInfo;
|
|
route @1 :OperationRoute;
|
|
nodeInfoUpdate @2 :OperationNodeInfoUpdate;
|
|
|
|
# Routable operations
|
|
valueChanged @3 :OperationValueChanged;
|
|
signal @4 :OperationSignal;
|
|
returnReceipt @5 :OperationReturnReceipt;
|
|
appMessage @6 :OperationAppMessage;
|
|
}
|
|
}
|
|
|
|
# Things that are answers
|
|
struct Answer {
|
|
detail :union {
|
|
# Direct operations
|
|
statusA @0 :OperationStatusA;
|
|
findNodeA @1 :OperationFindNodeA;
|
|
|
|
# Routable operations
|
|
getValueA @2 :OperationGetValueA;
|
|
setValueA @3 :OperationSetValueA;
|
|
watchValueA @4 :OperationWatchValueA;
|
|
supplyBlockA @5 :OperationSupplyBlockA;
|
|
findBlockA @6 :OperationFindBlockA;
|
|
appCallA @7 :OperationAppCallA;
|
|
|
|
# Tunnel operations
|
|
startTunnelA @8 :OperationStartTunnelA;
|
|
completeTunnelA @9 :OperationCompleteTunnelA;
|
|
cancelTunnelA @10 :OperationCancelTunnelA;
|
|
}
|
|
}
|
|
|
|
struct Operation {
|
|
opId @0 :UInt64; # Random RPC ID. Must be random to foil reply forgery attacks.
|
|
senderNodeInfo @1 :SignedNodeInfo; # (optional) SignedNodeInfo for the sender to be cached by the receiver.
|
|
kind :union {
|
|
question @2 :Question;
|
|
statement @3 :Statement;
|
|
answer @4 :Answer;
|
|
}
|
|
}
|