mirror of
https://github.com/gravitl/netmaker.git
synced 2025-09-08 22:24:17 +08:00
refactor peer calculations
This commit is contained in:
parent
242a46cda9
commit
34263a6e2f
5 changed files with 160 additions and 486 deletions
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@ -5,7 +5,6 @@ import (
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"errors"
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"errors"
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"fmt"
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"fmt"
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"sort"
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"sort"
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"strings"
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"time"
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"time"
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"github.com/go-playground/validator/v10"
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"github.com/go-playground/validator/v10"
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@ -96,25 +95,6 @@ func UncordonNode(nodeid string) (models.Node, error) {
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return node, err
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return node, err
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}
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}
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// GetPeers - gets the peers of a given server node
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func GetPeers(node *models.Node) ([]models.Node, error) {
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if IsLeader(node) {
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setNetworkServerPeers(node)
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}
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peers, err := GetPeersList(node)
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if err != nil {
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if strings.Contains(err.Error(), RELAY_NODE_ERR) {
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peers, err = PeerListUnRelay(node.ID, node.Network)
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if err != nil {
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return nil, err
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}
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} else {
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return nil, err
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}
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}
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return peers, nil
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}
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// SetIfLeader - gets the peers of a given server node
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// SetIfLeader - gets the peers of a given server node
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func SetPeersIfLeader(node *models.Node) {
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func SetPeersIfLeader(node *models.Node) {
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if IsLeader(node) {
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if IsLeader(node) {
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@ -704,3 +684,19 @@ func FindRelay(node *models.Node) *models.Node {
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}
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}
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return nil
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return nil
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}
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}
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func findNode(ip string) (*models.Node, error) {
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nodes, err := GetAllNodes()
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if err != nil {
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return nil, err
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}
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for _, node := range nodes {
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if node.Address == ip {
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return &node, nil
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}
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if node.Address6 == ip {
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return &node, nil
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}
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}
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return nil, errors.New("node not found")
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}
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336
logic/peers.go
336
logic/peers.go
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@ -1,6 +1,7 @@
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package logic
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package logic
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import (
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import (
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"errors"
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"fmt"
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"fmt"
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"log"
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"log"
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"net"
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"net"
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@ -9,216 +10,25 @@ import (
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"time"
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"time"
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"github.com/c-robinson/iplib"
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"github.com/c-robinson/iplib"
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"github.com/gravitl/netmaker/database"
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"github.com/gravitl/netmaker/logger"
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"github.com/gravitl/netmaker/logger"
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"github.com/gravitl/netmaker/logic/acls"
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"github.com/gravitl/netmaker/logic/acls/nodeacls"
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"github.com/gravitl/netmaker/logic/acls/nodeacls"
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"github.com/gravitl/netmaker/models"
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"github.com/gravitl/netmaker/models"
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"github.com/gravitl/netmaker/servercfg"
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"github.com/gravitl/netmaker/servercfg"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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)
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)
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// GetNodePeers - fetches peers for a given node
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func GetNodePeers(network *models.Network, nodeid string, excludeRelayed bool, isP2S bool) ([]models.Node, error) {
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var peers []models.Node
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// networkNodes = all nodes in network
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// egressNetworkNodes = all egress gateways in network
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var networkNodes, egressNetworkNodes, err = getNetworkEgressAndNodes(network.NetID)
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if err != nil {
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return peers, nil
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}
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// udppeers = the peers parsed from the local interface
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// gives us correct port to reach
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udppeers, errN := database.GetPeers(network.NetID)
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if errN != nil {
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logger.Log(2, errN.Error())
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}
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// gets all the ACL rules
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currentNetworkACLs, aclErr := nodeacls.FetchAllACLs(nodeacls.NetworkID(network.NetID))
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if aclErr != nil {
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return peers, aclErr
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}
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/*
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at this point we have 4 lists of node information:
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- networkNodes: all nodes in network (models.Node)
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- egressNetworkNodes: all egress gateways in network (models.Node)
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- udppeers: all peers in database (parsed by server off of active WireGuard interface)
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- currentNetworkACLs: all ACL rules associated with the network
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- peers: a currently empty list that will be filled and returned
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*/
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// we now parse through all networkNodes and format properly to set as "peers"
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for _, node := range networkNodes {
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// skip over any node that is disallowed by ACL rules
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if !currentNetworkACLs.IsAllowed(acls.AclID(nodeid), acls.AclID(node.ID)) {
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continue
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}
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// create an empty model to fill with peer info
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var peer = models.Node{}
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// set egress gateway information if it's an egress gateway
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if node.IsEgressGateway == "yes" { // handle egress stuff
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peer.EgressGatewayRanges = node.EgressGatewayRanges
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peer.IsEgressGateway = node.IsEgressGateway
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}
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// set ingress gateway information
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peer.IsIngressGateway = node.IsIngressGateway
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/*
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- similar to ACLs, we must determine if peer is allowed based on Relay information
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- if the nodes is "not relayed" (not behind a relay), it is ok
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- if the node IS relayed, but excludeRelay has not been marked, it is ok
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- excludeRelayed is marked for any node that is NOT a Relay Server
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- therefore, the peer is allowed as long as it is not "relayed", or the node it is being sent to is its relay server
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*/
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allow := node.IsRelayed != "yes" || !excludeRelayed
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// confirm conditions allow node to be added as peer
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// node should be in same network, not pending, and "allowed" based on above logic
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if node.Network == network.NetID && node.IsPending != "yes" && allow {
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// node info is cleansed to remove sensitive info using setPeerInfo
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peer = setPeerInfo(&node)
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// Sets ListenPort to UDP Hole Punching Port assuming:
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// - UDP Hole Punching is enabled
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// - udppeers retrieval did not return an error
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// - the endpoint is valid
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if node.UDPHolePunch == "yes" && errN == nil && CheckEndpoint(udppeers[node.PublicKey]) {
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endpointstring := udppeers[node.PublicKey]
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endpointarr := strings.Split(endpointstring, ":")
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if len(endpointarr) == 2 {
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port, err := strconv.Atoi(endpointarr[1])
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if err == nil {
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peer.ListenPort = int32(port)
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}
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}
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}
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// if udp hole punching is on, but the node's port is still set to default (e.g. 51821), use the LocalListenPort
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// or, if port is for some reason zero use the LocalListenPort
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// but only do this if LocalListenPort is not zero
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if node.UDPHolePunch == "yes" &&
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((peer.ListenPort == node.ListenPort || peer.ListenPort == 0) && node.LocalListenPort != 0) {
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peer.ListenPort = node.LocalListenPort
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}
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// if the node is a relay, append the network cidr and any relayed egress ranges
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if node.IsRelay == "yes" { // TODO, check if addressrange6 needs to be appended
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peer.AllowedIPs = append(peer.AllowedIPs, network.AddressRange)
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for _, egressNode := range egressNetworkNodes {
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if egressNode.IsRelayed == "yes" && StringSliceContains(node.RelayAddrs, egressNode.Address) {
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peer.AllowedIPs = append(peer.AllowedIPs, egressNode.EgressGatewayRanges...)
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}
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}
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}
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// if the node is an ingress gateway, append all the extclient allowedips
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if peer.IsIngressGateway == "yes" { // handle ingress stuff
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if currentExtClients, err := GetExtPeersList(&node); err == nil {
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for i := range currentExtClients {
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if network.IsIPv4 == "yes" && currentExtClients[i].Address != "" {
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peer.AllowedIPs = append(peer.AllowedIPs, currentExtClients[i].Address)
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}
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if network.IsIPv6 == "yes" && currentExtClients[i].Address6 != "" {
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peer.AllowedIPs = append(peer.AllowedIPs, currentExtClients[i].Address6)
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}
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}
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}
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}
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// dont appent if this isn't a p2p network or if ACLs disallow
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if (!isP2S || peer.IsHub == "yes") && currentNetworkACLs.IsAllowed(acls.AclID(nodeid), acls.AclID(node.ID)) {
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peers = append(peers, peer)
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}
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}
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}
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return peers, err
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}
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// GetPeersList - gets the peers of a given network
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func GetPeersList(refnode *models.Node) ([]models.Node, error) {
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var peers []models.Node
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var err error
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var isP2S bool
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var networkName = refnode.Network
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var excludeRelayed = refnode.IsRelay != "yes"
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var relayedNodeAddr string
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if refnode.IsRelayed == "yes" {
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relayedNodeAddr = refnode.Address
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}
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network, err := GetNetwork(networkName)
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if err != nil {
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return peers, err
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} else if network.IsPointToSite == "yes" && refnode.IsHub != "yes" {
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isP2S = true
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}
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if refnode.IsRelayed != "yes" {
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// if the node is not being relayed, retrieve peers as normal
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peers, err = GetNodePeers(&network, refnode.ID, excludeRelayed, isP2S)
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} else {
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var relayNode models.Node
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// If this node IS being relayed node, we must first retrieve its relay
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relayNode, err = GetNodeRelay(networkName, relayedNodeAddr)
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if relayNode.Address != "" && err == nil {
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// we must cleanse sensitive info from the relay node
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var peerNode = setPeerInfo(&relayNode)
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// we must append the CIDR to the relay so the relayed node can reach the network
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peerNode.AllowedIPs = append(peerNode.AllowedIPs, network.AddressRange)
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// we must append the egress ranges to the relay so the relayed node can reach egress
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var _, egressNetworkNodes, err = getNetworkEgressAndNodes(networkName)
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if err == nil {
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for _, egress := range egressNetworkNodes {
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if egress.Address != relayedNodeAddr {
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peerNode.AllowedIPs = append(peerNode.AllowedIPs, egress.EgressGatewayRanges...)
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}
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}
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}
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// get the other peers that are behind the Relay
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// we dont want to go through the relay to reach them
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// I'm not sure if this is actually a good call to have this here
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// may want to test without it, I think it may return bad info
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nodepeers, err := GetNodePeers(&network, refnode.ID, false, isP2S)
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if err == nil && peerNode.UDPHolePunch == "yes" {
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for _, nodepeer := range nodepeers {
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// im not sure if this is good either
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if nodepeer.Address == peerNode.Address {
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// peerNode.Endpoint = nodepeer.Endpoint
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peerNode.ListenPort = nodepeer.ListenPort
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}
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}
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}
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if !isP2S || peerNode.IsHub == "yes" {
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peers = append(peers, peerNode)
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}
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}
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}
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return peers, err
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}
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// GetPeerUpdate - gets a wireguard peer config for each peer of a node
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// GetPeerUpdate - gets a wireguard peer config for each peer of a node
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func GetPeerUpdate(node *models.Node) (models.PeerUpdate, error) {
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func GetPeerUpdate(node *models.Node) (models.PeerUpdate, error) {
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var peerUpdate models.PeerUpdate
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var peerUpdate models.PeerUpdate
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var peers []wgtypes.PeerConfig
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var peers []wgtypes.PeerConfig
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var serverNodeAddresses = []models.ServerAddr{}
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var serverNodeAddresses = []models.ServerAddr{}
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currentPeers, err := GetPeers(node)
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currentPeers, err := GetNetworkNodes(node.Network)
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if err != nil {
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if err != nil {
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return models.PeerUpdate{}, err
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return models.PeerUpdate{}, err
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}
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}
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if node.IsRelayed == "yes" {
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return GetPeerUpdateForRelayedNode(node)
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}
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// #1 Set Keepalive values: set_keepalive
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// #1 Set Keepalive values: set_keepalive
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// #2 Set local address: set_local - could be a LOT BETTER and fix some bugs with additional logic
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// #2 Set local address: set_local - could be a LOT BETTER and fix some bugs with additional logic
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@ -228,6 +38,14 @@ func GetPeerUpdate(node *models.Node) (models.PeerUpdate, error) {
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//skip yourself
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//skip yourself
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continue
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continue
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}
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}
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if !nodeacls.AreNodesAllowed(nodeacls.NetworkID(node.Network), nodeacls.NodeID(node.ID), nodeacls.NodeID(peer.ID)) {
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//skip if not permitted by acl
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continue
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}
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if peer.IsRelayed == "yes" {
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//skip -- willl be added to relay
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continue
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}
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pubkey, err := wgtypes.ParseKey(peer.PublicKey)
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pubkey, err := wgtypes.ParseKey(peer.PublicKey)
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if err != nil {
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if err != nil {
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return models.PeerUpdate{}, err
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return models.PeerUpdate{}, err
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@ -406,6 +224,48 @@ func GetAllowedIPs(node, peer *models.Node) []net.IPNet {
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}
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}
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}
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}
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}
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}
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// handle ingress gateway peers
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if peer.IsIngressGateway == "yes" {
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extPeers, err := getExtPeers(peer)
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if err != nil {
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logger.Log(2, "could not retrieve ext peers for ", peer.Name, err.Error())
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}
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for _, extPeer := range extPeers {
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allowedips = append(allowedips, extPeer.AllowedIPs...)
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}
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}
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// handle relay gateway peers
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if peer.IsRelay == "yes" {
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for _, ip := range peer.RelayAddrs {
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//find node ID of relayed peer
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relayedPeer, err := findNode(ip)
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if err != nil {
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logger.Log(0, "failed to find node for ip ", ip, err.Error())
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}
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if relayedPeer.ID == node.ID {
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//skip self
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continue
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}
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//check if acl permits comms
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if !nodeacls.AreNodesAllowed(nodeacls.NetworkID(node.Network), nodeacls.NodeID(node.ID), nodeacls.NodeID(relayedPeer.ID)) {
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continue
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}
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if iplib.Version(net.ParseIP(ip)) == 4 {
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relayAddr := net.IPNet{
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IP: net.ParseIP(ip),
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Mask: net.CIDRMask(32, 32),
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}
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allowedips = append(allowedips, relayAddr)
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}
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if iplib.Version(net.ParseIP(ip)) == 6 {
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relayAddr := net.IPNet{
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IP: net.ParseIP(ip),
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Mask: net.CIDRMask(128, 128),
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}
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allowedips = append(allowedips, relayAddr)
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}
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}
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}
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return allowedips
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return allowedips
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}
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}
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@ -425,3 +285,89 @@ func getPeerDNS(network string) string {
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}
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}
|
||||||
return dns
|
return dns
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func GetPeerUpdateForRelayedNode(node *models.Node) (models.PeerUpdate, error) {
|
||||||
|
var peerUpdate models.PeerUpdate
|
||||||
|
var peers []wgtypes.PeerConfig
|
||||||
|
var serverNodeAddresses = []models.ServerAddr{}
|
||||||
|
var allowedips []net.IPNet
|
||||||
|
//find node that is relaying us
|
||||||
|
relay := FindRelay(node)
|
||||||
|
if relay == nil {
|
||||||
|
return models.PeerUpdate{}, errors.New("not found")
|
||||||
|
}
|
||||||
|
//add relay to lists of allowed ip
|
||||||
|
if relay.Address != "" {
|
||||||
|
relayIP := net.IPNet{
|
||||||
|
IP: net.ParseIP(relay.Address),
|
||||||
|
Mask: net.CIDRMask(32, 32),
|
||||||
|
}
|
||||||
|
allowedips = append(allowedips, relayIP)
|
||||||
|
}
|
||||||
|
if relay.Address6 != "" {
|
||||||
|
relayIP6 := net.IPNet{
|
||||||
|
IP: net.ParseIP(relay.Address6),
|
||||||
|
Mask: net.CIDRMask(128, 128),
|
||||||
|
}
|
||||||
|
allowedips = append(allowedips, relayIP6)
|
||||||
|
}
|
||||||
|
//get PeerUpdate for relayed node
|
||||||
|
relayPeerUpdate, err := GetPeerUpdate(relay)
|
||||||
|
if err != nil {
|
||||||
|
return models.PeerUpdate{}, err
|
||||||
|
}
|
||||||
|
//add the relays allowed ips from all of the relay's peers
|
||||||
|
for _, peer := range relayPeerUpdate.Peers {
|
||||||
|
allowedips = append(allowedips, peer.AllowedIPs...)
|
||||||
|
}
|
||||||
|
//delete any ips not permitted by acl
|
||||||
|
for i, ip := range allowedips {
|
||||||
|
target, err := findNode(ip.IP.String())
|
||||||
|
if err != nil {
|
||||||
|
logger.Log(0, "failed to find node for ip", ip.IP.String(), err.Error())
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
if !nodeacls.AreNodesAllowed(nodeacls.NetworkID(node.Network), nodeacls.NodeID(node.ID), nodeacls.NodeID(target.ID)) {
|
||||||
|
logger.Log(0, "deleting node from relayednode per acl", node.Name, target.Name)
|
||||||
|
allowedips = append(allowedips[:i], allowedips[i+1:]...)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//delete self from allowed ips
|
||||||
|
for i, ip := range allowedips {
|
||||||
|
if ip.IP.String() == node.Address || ip.IP.String() == node.Address6 {
|
||||||
|
allowedips = append(allowedips[:i], allowedips[i+1:]...)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pubkey, err := wgtypes.ParseKey(relay.PublicKey)
|
||||||
|
if err != nil {
|
||||||
|
return models.PeerUpdate{}, err
|
||||||
|
}
|
||||||
|
endpoint := relay.Endpoint + ":" + strconv.FormatInt(int64(relay.ListenPort), 10)
|
||||||
|
address, err := net.ResolveUDPAddr("udp", endpoint)
|
||||||
|
if err != nil {
|
||||||
|
return models.PeerUpdate{}, err
|
||||||
|
}
|
||||||
|
var keepalive time.Duration
|
||||||
|
if node.PersistentKeepalive != 0 {
|
||||||
|
// set_keepalive
|
||||||
|
keepalive, _ = time.ParseDuration(strconv.FormatInt(int64(node.PersistentKeepalive), 10) + "s")
|
||||||
|
}
|
||||||
|
var peerData = wgtypes.PeerConfig{
|
||||||
|
PublicKey: pubkey,
|
||||||
|
Endpoint: address,
|
||||||
|
ReplaceAllowedIPs: true,
|
||||||
|
AllowedIPs: allowedips,
|
||||||
|
PersistentKeepaliveInterval: &keepalive,
|
||||||
|
}
|
||||||
|
peers = append(peers, peerData)
|
||||||
|
if relay.IsServer == "yes" {
|
||||||
|
serverNodeAddresses = append(serverNodeAddresses, models.ServerAddr{IsLeader: IsLeader(relay), Address: relay.Address})
|
||||||
|
}
|
||||||
|
peerUpdate.Network = node.Network
|
||||||
|
peerUpdate.ServerVersion = servercfg.Version
|
||||||
|
peerUpdate.Peers = peers
|
||||||
|
peerUpdate.ServerAddrs = serverNodeAddresses
|
||||||
|
peerUpdate.DNS = getPeerDNS(node.Network)
|
||||||
|
return peerUpdate, nil
|
||||||
|
}
|
||||||
|
|
|
@ -105,15 +105,6 @@ func SetNodeIsRelayed(yesOrno string, id string) (models.Node, error) {
|
||||||
return node, database.Insert(node.ID, string(data), database.NODES_TABLE_NAME)
|
return node, database.Insert(node.ID, string(data), database.NODES_TABLE_NAME)
|
||||||
}
|
}
|
||||||
|
|
||||||
// PeerListUnRelay - call this function if a relayed node fails to get its relay: unrelays node and gets new peer list
|
|
||||||
func PeerListUnRelay(id string, network string) ([]models.Node, error) {
|
|
||||||
node, err := SetNodeIsRelayed("no", id)
|
|
||||||
if err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
return GetPeersList(&node)
|
|
||||||
}
|
|
||||||
|
|
||||||
// ValidateRelay - checks if relay is valid
|
// ValidateRelay - checks if relay is valid
|
||||||
func ValidateRelay(relay models.RelayRequest) error {
|
func ValidateRelay(relay models.RelayRequest) error {
|
||||||
var err error
|
var err error
|
||||||
|
|
210
logic/server.go
210
logic/server.go
|
@ -6,14 +6,9 @@ import (
|
||||||
"net"
|
"net"
|
||||||
"os"
|
"os"
|
||||||
"runtime"
|
"runtime"
|
||||||
"strconv"
|
|
||||||
"strings"
|
"strings"
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/c-robinson/iplib"
|
|
||||||
"github.com/gravitl/netmaker/logger"
|
"github.com/gravitl/netmaker/logger"
|
||||||
"github.com/gravitl/netmaker/logic/acls"
|
|
||||||
"github.com/gravitl/netmaker/logic/acls/nodeacls"
|
|
||||||
"github.com/gravitl/netmaker/models"
|
"github.com/gravitl/netmaker/models"
|
||||||
"github.com/gravitl/netmaker/netclient/ncutils"
|
"github.com/gravitl/netmaker/netclient/ncutils"
|
||||||
"github.com/gravitl/netmaker/servercfg"
|
"github.com/gravitl/netmaker/servercfg"
|
||||||
|
@ -193,210 +188,11 @@ func ServerUpdate(serverNode *models.Node, ifaceDelta bool) error {
|
||||||
|
|
||||||
// GetServerPeers - gets peers of server
|
// GetServerPeers - gets peers of server
|
||||||
func GetServerPeers(serverNode *models.Node) ([]wgtypes.PeerConfig, bool, []string, error) {
|
func GetServerPeers(serverNode *models.Node) ([]wgtypes.PeerConfig, bool, []string, error) {
|
||||||
hasGateway := false
|
update, err := GetPeerUpdate(serverNode)
|
||||||
var gateways []string
|
|
||||||
var peers []wgtypes.PeerConfig
|
|
||||||
var nodes []models.Node // fill above fields from server or client
|
|
||||||
var err error
|
|
||||||
|
|
||||||
nodes, err = GetPeers(serverNode)
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, hasGateway, gateways, err
|
return []wgtypes.PeerConfig{}, false, []string{}, err
|
||||||
}
|
}
|
||||||
|
return update.Peers, false, []string{}, nil
|
||||||
keepalive := serverNode.PersistentKeepalive
|
|
||||||
keepalivedur, err := time.ParseDuration(strconv.FormatInt(int64(keepalive), 10) + "s")
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(1, "Issue with format of keepalive duration value, Please view server config:", err.Error())
|
|
||||||
return nil, hasGateway, gateways, err
|
|
||||||
}
|
|
||||||
|
|
||||||
currentNetworkACL, err := nodeacls.FetchAllACLs(nodeacls.NetworkID(serverNode.Network))
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(1, "could not fetch current ACL list, proceeding with all peers")
|
|
||||||
}
|
|
||||||
|
|
||||||
for _, node := range nodes {
|
|
||||||
pubkey, err := wgtypes.ParseKey(node.PublicKey)
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(1, "error parsing key", pubkey.String())
|
|
||||||
return peers, hasGateway, gateways, err
|
|
||||||
}
|
|
||||||
|
|
||||||
if serverNode.PublicKey == node.PublicKey {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
if serverNode.Endpoint == node.Endpoint {
|
|
||||||
if serverNode.LocalAddress != node.LocalAddress && node.LocalAddress != "" {
|
|
||||||
node.Endpoint = node.LocalAddress
|
|
||||||
} else {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if currentNetworkACL != nil && !(currentNetworkACL.IsAllowed(acls.AclID(serverNode.ID), acls.AclID(node.ID))) {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
|
|
||||||
var peer wgtypes.PeerConfig
|
|
||||||
var allowedips = []net.IPNet{}
|
|
||||||
if node.Address != "" {
|
|
||||||
var peeraddr = net.IPNet{
|
|
||||||
IP: net.ParseIP(node.Address),
|
|
||||||
Mask: net.CIDRMask(32, 32),
|
|
||||||
}
|
|
||||||
if peeraddr.IP != nil && peeraddr.Mask != nil {
|
|
||||||
allowedips = append(allowedips, peeraddr)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if node.Address6 != "" {
|
|
||||||
var addr6 = net.IPNet{
|
|
||||||
IP: net.ParseIP(node.Address6),
|
|
||||||
Mask: net.CIDRMask(128, 128),
|
|
||||||
}
|
|
||||||
if addr6.IP != nil && addr6.Mask != nil {
|
|
||||||
allowedips = append(allowedips, addr6)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// handle manually set peers
|
|
||||||
for _, allowedIp := range node.AllowedIPs {
|
|
||||||
if iplib.Version(net.ParseIP(allowedIp)) == 4 {
|
|
||||||
if _, ipnet, err := net.ParseCIDR(allowedIp); err == nil {
|
|
||||||
nodeEndpointArr := strings.Split(node.Endpoint, ":")
|
|
||||||
if !ipnet.Contains(net.IP(nodeEndpointArr[0])) && ipnet.IP.String() != node.Address { // don't need to add an allowed ip that already exists..
|
|
||||||
allowedips = append(allowedips, *ipnet)
|
|
||||||
}
|
|
||||||
} else if appendip := net.ParseIP(allowedIp); appendip != nil && allowedIp != node.Address {
|
|
||||||
ipnet := net.IPNet{
|
|
||||||
IP: net.ParseIP(allowedIp),
|
|
||||||
Mask: net.CIDRMask(32, 32),
|
|
||||||
}
|
|
||||||
allowedips = append(allowedips, ipnet)
|
|
||||||
}
|
|
||||||
} else if iplib.Version(net.ParseIP(allowedIp)) == 6 {
|
|
||||||
//ipnet : = iplib.Net6FromStr(allowedIp).IP()
|
|
||||||
ipnet := net.IPNet{
|
|
||||||
IP: iplib.Net6FromStr(allowedIp).IP(),
|
|
||||||
Mask: net.CIDRMask(128, 128),
|
|
||||||
}
|
|
||||||
allowedips = append(allowedips, ipnet)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// handle egress gateway peers
|
|
||||||
if node.IsEgressGateway == "yes" {
|
|
||||||
hasGateway = true
|
|
||||||
ranges := node.EgressGatewayRanges
|
|
||||||
for _, iprange := range ranges { // go through each cidr for egress gateway
|
|
||||||
_, ipnet, err := net.ParseCIDR(iprange) // confirming it's valid cidr
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(1, "could not parse gateway IP range. Not adding", iprange)
|
|
||||||
continue // if can't parse CIDR
|
|
||||||
}
|
|
||||||
nodeEndpointArr := strings.Split(node.Endpoint, ":") // getting the public ip of node
|
|
||||||
if ipnet.Contains(net.ParseIP(nodeEndpointArr[0])) { // ensuring egress gateway range does not contain public ip of node
|
|
||||||
logger.Log(2, "egress IP range of", iprange, "overlaps with", node.Endpoint, ", omitting")
|
|
||||||
continue // skip adding egress range if overlaps with node's ip
|
|
||||||
}
|
|
||||||
if ipnet.Contains(net.ParseIP(serverNode.LocalAddress)) { // ensuring egress gateway range does not contain public ip of node
|
|
||||||
logger.Log(2, "egress IP range of", iprange, "overlaps with", serverNode.LocalAddress, ", omitting")
|
|
||||||
continue // skip adding egress range if overlaps with node's local ip
|
|
||||||
}
|
|
||||||
gateways = append(gateways, iprange)
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(1, "ERROR ENCOUNTERED SETTING GATEWAY:", err.Error())
|
|
||||||
} else {
|
|
||||||
allowedips = append(allowedips, *ipnet)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
peer = wgtypes.PeerConfig{
|
|
||||||
PublicKey: pubkey,
|
|
||||||
PersistentKeepaliveInterval: &(keepalivedur),
|
|
||||||
ReplaceAllowedIPs: true,
|
|
||||||
AllowedIPs: allowedips,
|
|
||||||
}
|
|
||||||
|
|
||||||
peers = append(peers, peer)
|
|
||||||
}
|
|
||||||
if serverNode.IsIngressGateway == "yes" {
|
|
||||||
extPeers, err := GetServerExtPeers(serverNode)
|
|
||||||
if err == nil {
|
|
||||||
peers = append(peers, extPeers...)
|
|
||||||
} else {
|
|
||||||
logger.Log(1, "ERROR RETRIEVING EXTERNAL PEERS ON SERVER:", err.Error())
|
|
||||||
}
|
|
||||||
extPeers = nil
|
|
||||||
}
|
|
||||||
return peers, hasGateway, gateways, err
|
|
||||||
}
|
|
||||||
|
|
||||||
// GetServerExtPeers - gets the extpeers for a client
|
|
||||||
func GetServerExtPeers(serverNode *models.Node) ([]wgtypes.PeerConfig, error) {
|
|
||||||
var peers []wgtypes.PeerConfig
|
|
||||||
var extPeers []models.Node
|
|
||||||
var err error
|
|
||||||
var tempPeers []models.ExtPeersResponse
|
|
||||||
|
|
||||||
tempPeers, err = GetExtPeersList(serverNode)
|
|
||||||
if err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
|
|
||||||
for i := 0; i < len(tempPeers); i++ {
|
|
||||||
extPeers = append(extPeers, models.Node{
|
|
||||||
Address: tempPeers[i].Address,
|
|
||||||
Address6: tempPeers[i].Address6,
|
|
||||||
Endpoint: tempPeers[i].Endpoint,
|
|
||||||
PublicKey: tempPeers[i].PublicKey,
|
|
||||||
PersistentKeepalive: tempPeers[i].KeepAlive,
|
|
||||||
ListenPort: tempPeers[i].ListenPort,
|
|
||||||
LocalAddress: tempPeers[i].LocalAddress,
|
|
||||||
})
|
|
||||||
}
|
|
||||||
for _, extPeer := range extPeers {
|
|
||||||
pubkey, err := wgtypes.ParseKey(extPeer.PublicKey)
|
|
||||||
if err != nil {
|
|
||||||
return peers, err
|
|
||||||
}
|
|
||||||
|
|
||||||
if serverNode.PublicKey == extPeer.PublicKey {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
var allowedips = []net.IPNet{}
|
|
||||||
|
|
||||||
var peer wgtypes.PeerConfig
|
|
||||||
if extPeer.Address != "" {
|
|
||||||
newAddr := net.IPNet{
|
|
||||||
IP: net.ParseIP(extPeer.Address),
|
|
||||||
Mask: net.CIDRMask(32, 32),
|
|
||||||
}
|
|
||||||
if &newAddr != nil {
|
|
||||||
allowedips = append(allowedips, newAddr)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if extPeer.Address6 != "" {
|
|
||||||
newAddr6 := net.IPNet{
|
|
||||||
IP: net.ParseIP(extPeer.Address6),
|
|
||||||
Mask: net.CIDRMask(128, 128),
|
|
||||||
}
|
|
||||||
if &newAddr6 != nil {
|
|
||||||
allowedips = append(allowedips, newAddr6)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
peer = wgtypes.PeerConfig{
|
|
||||||
PublicKey: pubkey,
|
|
||||||
ReplaceAllowedIPs: true,
|
|
||||||
AllowedIPs: allowedips,
|
|
||||||
}
|
|
||||||
peers = append(peers, peer)
|
|
||||||
allowedips = nil
|
|
||||||
}
|
|
||||||
tempPeers = nil
|
|
||||||
extPeers = nil
|
|
||||||
return peers, err
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// == Private ==
|
// == Private ==
|
||||||
|
|
|
@ -115,61 +115,6 @@ func RandomString(length int) string {
|
||||||
|
|
||||||
// == Private Methods ==
|
// == Private Methods ==
|
||||||
|
|
||||||
// getNetworkEgressAndNodes - returns two slices, #1 is all nodes in the network, #2 is the egress nodes in the network
|
|
||||||
func getNetworkEgressAndNodes(networkName string) ([]models.Node, []models.Node, error) {
|
|
||||||
var networkNodes, egressNetworkNodes []models.Node
|
|
||||||
collection, err := database.FetchRecords(database.NODES_TABLE_NAME)
|
|
||||||
if err != nil {
|
|
||||||
if database.IsEmptyRecord(err) {
|
|
||||||
return networkNodes, egressNetworkNodes, nil
|
|
||||||
}
|
|
||||||
logger.Log(2, err.Error())
|
|
||||||
return nil, nil, err
|
|
||||||
}
|
|
||||||
|
|
||||||
for _, value := range collection {
|
|
||||||
var node = models.Node{}
|
|
||||||
err := json.Unmarshal([]byte(value), &node)
|
|
||||||
if err != nil {
|
|
||||||
logger.Log(2, err.Error())
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
if node.Network == networkName {
|
|
||||||
networkNodes = append(networkNodes, node)
|
|
||||||
if node.IsEgressGateway == "yes" {
|
|
||||||
egressNetworkNodes = append(egressNetworkNodes, node)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return networkNodes, egressNetworkNodes, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
func setPeerInfo(node *models.Node) models.Node {
|
|
||||||
var peer models.Node
|
|
||||||
peer.RelayAddrs = node.RelayAddrs
|
|
||||||
peer.IsRelay = node.IsRelay
|
|
||||||
peer.IsServer = node.IsServer
|
|
||||||
peer.IsRelayed = node.IsRelayed
|
|
||||||
peer.PublicKey = node.PublicKey
|
|
||||||
peer.Endpoint = node.Endpoint
|
|
||||||
peer.Name = node.Name
|
|
||||||
peer.Network = node.Network
|
|
||||||
peer.LocalAddress = node.LocalAddress
|
|
||||||
peer.LocalListenPort = node.LocalListenPort
|
|
||||||
peer.ListenPort = node.ListenPort
|
|
||||||
peer.AllowedIPs = node.AllowedIPs
|
|
||||||
peer.UDPHolePunch = node.UDPHolePunch
|
|
||||||
peer.Address = node.Address
|
|
||||||
peer.Address6 = node.Address6
|
|
||||||
peer.IsHub = node.IsHub
|
|
||||||
peer.EgressGatewayRanges = node.EgressGatewayRanges
|
|
||||||
peer.IsEgressGateway = node.IsEgressGateway
|
|
||||||
peer.IngressGatewayRange = node.IngressGatewayRange
|
|
||||||
peer.IsIngressGateway = node.IsIngressGateway
|
|
||||||
peer.IsPending = node.IsPending
|
|
||||||
return peer
|
|
||||||
}
|
|
||||||
|
|
||||||
func setIPForwardingLinux() error {
|
func setIPForwardingLinux() error {
|
||||||
out, err := ncutils.RunCmd("sysctl net.ipv4.ip_forward", true)
|
out, err := ncutils.RunCmd("sysctl net.ipv4.ip_forward", true)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
|
|
Loading…
Add table
Reference in a new issue