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Advertising routes into the mesh

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This commit is contained in:
Tim Beatham 2023-10-27 17:49:18 +01:00
parent 4c6bbcffcd
commit 5757d81a81
16 changed files with 199 additions and 183 deletions
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21
cert/cacert.pem Normal file
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@ -0,0 +1,21 @@
-----BEGIN CERTIFICATE-----
MIIDazCCAlOgAwIBAgIUDRIRI8UnHU2a4znsun0gxFwlrFQwDQYJKoZIhvcNAQEL
BQAwRTELMAkGA1UEBhMCR0IxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMzEwMjcxNTIzMDZaFw0yNDEw
MjYxNTIzMDZaMEUxCzAJBgNVBAYTAkdCMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw
HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggEiMA0GCSqGSIb3DQEB
AQUAA4IBDwAwggEKAoIBAQDJ5hOmzilimA/zM5hYP7CQf4iRmICtSbVLgt6/rTDP
p3JsGGQWZ4pZNofzGnGa7aEMoXS2Ztl7GzZbr1p4+rd6MBbVt8XZ/hP+X4zasCXi
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qrP7+VoGeBDxk4guJtAs/fhnuDupJG2SjsctjiFnDbSrJjWJjGhC0kuL0wcjLU5G
qUpCEJu13GkDlYHKKw0z+oLUOw+OHmvE5/sD23sKl2KxBWKItx0hwSCkGtm0RQld
8mfjOsHqJ2V/FOcHK6X2DSV1728PAhu4l/PRSB0drBA+7kdeCuWIRZw5RA/OyxvU
CuC5dfUh75MrK7KL6sZsXklsoXo8BZp4rRRUt/v1D3r/SMBJPULSGXh6QDjXQX1D
km71c3DEDyKznHTpGxPt
-----END CERTIFICATE-----

28
cert/caprivate.pem Normal file
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@ -0,0 +1,28 @@
-----BEGIN PRIVATE KEY-----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k4SOoPLQYFW8tgLC5w5/1Sq+tnZLwV+xNtMczG2TTVUDm6rU7EjLRv5RBWE4lIIX
45NMIuqt6J8ttkEE4fOurVEdLSTRoBdVa//eMYp4TQ4lkzWS5Ma+ierNAoGAYO3z
1rFFQYzerq8ffM4E3H2JgvRYodhLMJQVdavAvG6aRDBzOk3rXgxx6U3VPYZ3oSbO
ZCRlYVbu1FnuwtpqYQ7Qf+UU+vD1Ld/ax3F+wFwLwET/0KRRg6mLCm/xQ/ad/9WA
DN6d6b1H8ZSMwHFbRexEELbRaomAYZYDO6K+4DkCgYEAv5De85hPnWtAvKhPzwQi
9mtyWo/cfQgtwL8IKNu6hBHl5RXDpPgX/+pNbXLJfBPwVR3H62x1CMYJDkWVuE6/
ZjtF7FSucZMz/mR6r1GhSOXy3YLwQ6JLPjjKzvnEjahGlKwALJNL0O2ZucjsZxHE
PM4rmhRZT9opiapiltEhRm0=
-----END PRIVATE KEY-----

36
cert/cert.pem
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@ -1,21 +1,19 @@
-----BEGIN CERTIFICATE-----
MIIDazCCAlOgAwIBAgIUT6VZnyJjB25my9JrUt/qfdX+J8QwDQYJKoZIhvcNAQEL
BQAwRTELMAkGA1UEBhMCVUsxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMzEwMDExNDM5MjFaFw0zMzA5
MjgxNDM5MjFaMEUxCzAJBgNVBAYTAlVLMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw
HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggEiMA0GCSqGSIb3DQEB
AQUAA4IBDwAwggEKAoIBAQCVrc2ZbkM+ICgr9M9AahLijQOmbqhH03PtqUOprMuX
KGzKiG8v6VWCzdqrDMJTBe24/Ph9KUda8J63ra+uEfPXfTgox/NkbMVkd4qz5vIW
a6Q22g3RU2W8LpSczlcAdEvWBKxakWVnPvi1Sw/gj9Yn//HZxOvANeaTzr+wWNJa
VpTTXBPnvkpDY5GkfkSVkt1cZqCntZQAx85xBW1Bth860d0lZPibJBBtdtX3QO7r
PxeOgARB97J964M2DDvScaLiTH5+qQFzj/bS06Km+7s2rmA9ilPK/GlZb6Wc8f3Q
NdanZwF/odoLKFkW4cj0dG3vrRqJGKSO1tTk6OGrQfBTAgMBAAGjUzBRMB0GA1Ud
DgQWBBRLjaTwD74slcrdH0AWwqnCIBzDvzAfBgNVHSMEGDAWgBRLjaTwD74slcrd
H0AWwqnCIBzDvzAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQCQ
50dhW6+cdzv6vfTrhe5ABOlJ288cxrOnpqKZLK0kWgtXTBXuJdIMqKO7f1dNGGAF
fbhcIoo8YsTVYAHvK0e0nUvKKTj5Jq39YXX4jSmLZMhV9RCxHiuzn3a0Szly2FRG
oLhmz+ib0WmROmspLD+T500toayGi3gfoWALo/LtOSYqUI9JNlFXPEyOfg1dkKfE
op/8Nx4DY73mHtp25dKL3mG1FAa0MQQvDnYTv5BNMRiG2k3N4AL2nORR60PXZV+S
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vT7vM2Qae3Y48SeOdZIX
MIIDCjCCAfICFB/Vd2eOXWdNdrakThJhFIRtZmhUMA0GCSqGSIb3DQEBCwUAMEUx
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AoIBAQDVgcLtNU5AYfPML/mE5PyC7YYKvZn2mt6vEiJ7M/6EzYeTXFeYexD5ZqHg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-----END CERTIFICATE-----

28
cert/key.pem
View File

@ -1,28 +0,0 @@
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

28
cert/priv.pem Normal file
View File

@ -0,0 +1,28 @@
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

5
cmd/wgmeshd/configuration.yaml
View File

@ -1,5 +1,6 @@
certificatePath: "../../cert/cert.pem"
privateKeyPath: "../../cert/key.pem"
privateKeyPath: "../../cert/priv.pem"
caCertificatePath: "../../cert/cacert.pem"
skipCertVerification: true
gRPCPort: "8080"
advertiseRoutes: true
advertiseRoutes: true

85
pkg/automerge/automerge.go
View File

@ -40,17 +40,6 @@ func (c *CrdtMeshManager) AddNode(node mesh.MeshNode) {
nodeVal.Map().Set("routes", automerge.NewMap())
}
func (c *CrdtMeshManager) ApplyWg() error {
// snapshot, err := c.GetMesh()
// if err != nil {
// return err
// }
// c.updateWgConf(c.IfName, snapshot.GetNodes(), *c.Client)
return nil
}
// GetMesh(): Converts the document into a struct
func (c *CrdtMeshManager) GetMesh() (mesh.MeshSnapshot, error) {
return automerge.As[*MeshCrdt](c.doc.Root())
@ -95,43 +84,6 @@ func NewCrdtNodeManager(meshId, devName string, port int, conf conf.WgMeshConfig
return &manager, nil
}
func (m *CrdtMeshManager) convertMeshNode(node MeshNodeCrdt) (*wgtypes.PeerConfig, error) {
peerEndpoint, err := net.ResolveUDPAddr("udp", node.WgEndpoint)
if err != nil {
return nil, err
}
peerPublic, err := wgtypes.ParseKey(node.PublicKey)
if err != nil {
return nil, err
}
allowedIps := make([]net.IPNet, 1)
_, ipnet, err := net.ParseCIDR(node.WgHost)
if err != nil {
return nil, err
}
allowedIps[0] = *ipnet
for route, _ := range node.Routes {
_, ipnet, _ := net.ParseCIDR(route)
allowedIps = append(allowedIps, *ipnet)
}
peerConfig := wgtypes.PeerConfig{
PublicKey: peerPublic,
Remove: m.HasFailed(node.HostEndpoint),
Endpoint: peerEndpoint,
AllowedIPs: allowedIps,
}
return &peerConfig, nil
}
func (c *CrdtMeshManager) removeNode(endpoint string) error {
err := c.doc.Path("nodes").Map().Delete(endpoint)
@ -222,6 +174,7 @@ func (m *CrdtMeshManager) UpdateTimeStamp(nodeId string) error {
// AddRoutes: adds routes to the specific nodeId
func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...string) error {
nodeVal, err := m.doc.Path("nodes").Map().Get(nodeId)
logging.Log.WriteInfof("Adding route to %s", nodeId)
if err != nil {
return err
@ -244,31 +197,6 @@ func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...string) error {
return nil
}
func (m *CrdtMeshManager) updateWgConf(devName string, nodes map[string]MeshNodeCrdt, client wgctrl.Client) error {
peerConfigs := make([]wgtypes.PeerConfig, len(nodes))
var count int = 0
for _, n := range nodes {
peer, err := m.convertMeshNode(n)
if err != nil {
return err
}
peerConfigs[count] = *peer
count++
}
cfg := wgtypes.Config{
Peers: peerConfigs,
ReplacePeers: true,
}
client.ConfigureDevice(devName, cfg)
return nil
}
func (m *CrdtMeshManager) GetSyncer() mesh.MeshSyncer {
return NewAutomergeSync(m)
}
@ -286,7 +214,7 @@ func (m *MeshNodeCrdt) GetPublicKey() (wgtypes.Key, error) {
}
func (m *MeshNodeCrdt) GetWgEndpoint() string {
return m.HostEndpoint
return m.WgEndpoint
}
func (m *MeshNodeCrdt) GetWgHost() *net.IPNet {
@ -308,6 +236,15 @@ func (m *MeshNodeCrdt) GetRoutes() []string {
return lib.MapKeys(m.Routes)
}
func (m *MeshNodeCrdt) GetIdentifier() string {
ipv6 := m.WgHost[:len(m.WgHost)-4]
constituents := strings.Split(ipv6, ":")
logging.Log.WriteInfof(ipv6)
constituents = constituents[4:]
return strings.Join(constituents, ":")
}
func (m *MeshCrdt) GetNodes() map[string]mesh.MeshNode {
nodes := make(map[string]mesh.MeshNode)

1
pkg/conf/conf.go
View File

@ -11,6 +11,7 @@ import (
type WgMeshConfiguration struct {
CertificatePath string `yaml:"certificatePath"`
PrivateKeyPath string `yaml:"privateKeyPath"`
CaCertificatePath string `yaml:"caCertificatePath"`
SkipCertVerification bool `yaml:"skipCertVerification"`
GrpcPort string `yaml:"gRPCPort"`
// AdvertiseRoutes advertises other meshes if the node is in multiple meshes

22
pkg/conn/connectionmanager.go
View File

@ -2,6 +2,9 @@ package conn
import (
"crypto/tls"
"crypto/x509"
"errors"
"os"
"sync"
logging "github.com/tim-beatham/wgmesh/pkg/log"
@ -41,6 +44,7 @@ type NewConnectionManageParams struct {
PrivateKey string
// Whether or not to skip certificate verification
SkipCertVerification bool
CaCert string
}
// NewConnectionManager: Creates a new instance of a ConnectionManager or an error
@ -61,6 +65,23 @@ func NewConnectionManager(params *NewConnectionManageParams) (ConnectionManager,
serverAuth = tls.RequireAnyClientCert
}
certPool := x509.NewCertPool()
if !params.SkipCertVerification {
if params.CaCert == "" {
return nil, errors.New("CA Cert is not specified")
}
caCert, err := os.ReadFile(params.CaCert)
if err != nil {
return nil, err
}
certPool.AppendCertsFromPEM(caCert)
}
serverConfig := &tls.Config{
ClientAuth: serverAuth,
Certificates: []tls.Certificate{cert},
@ -69,6 +90,7 @@ func NewConnectionManager(params *NewConnectionManageParams) (ConnectionManager,
clientConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
InsecureSkipVerify: params.SkipCertVerification,
RootCAs: certPool,
}
connections := make(map[string]PeerConnection)

1
pkg/ctrlserver/ctrlserver.go
View File

@ -30,6 +30,7 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
CertificatePath: params.Conf.CertificatePath,
PrivateKey: params.Conf.PrivateKeyPath,
SkipCertVerification: params.Conf.SkipCertVerification,
CaCert: params.Conf.CaCertificatePath,
}
connMgr, err := conn.NewConnectionManager(&connManagerParams)

23
pkg/graph/graph.go
View File

@ -11,12 +11,19 @@ import (
)
type GraphType string
type Shape string
const (
GRAPH GraphType = "graph"
DIGRAPH = "digraph"
)
const (
CIRCLE Shape = "circle"
STAR Shape = "star"
HEXAGON Shape = "hexagon"
)
type Graph struct {
Type GraphType
Label string
@ -25,7 +32,8 @@ type Graph struct {
}
type Node struct {
Name string
Name string
Shape Shape
}
type Edge interface {
@ -53,15 +61,16 @@ func NewGraph(label string, graphType GraphType) *Graph {
return &Graph{Type: graphType, Label: label, nodes: make(map[string]*Node), edges: make([]Edge, 0)}
}
// AddNode: adds a node to the graph
func (g *Graph) AddNode(label string) error {
// PutNode: puts a node in the graph
func (g *Graph) PutNode(label string, shape Shape) error {
_, exists := g.nodes[label]
if exists {
return errors.New(fmt.Sprintf("Node %s already exists", label))
// If exists no need to add the ndoe
return nil
}
g.nodes[label] = &Node{Name: label}
g.nodes[label] = &Node{Name: label, Shape: shape}
return nil
}
@ -156,8 +165,8 @@ func (n *Node) hash() int {
}
func (n *Node) GetDOT() (string, error) {
return fmt.Sprintf("node[shape=circle, style=\"filled\", fillcolor=%d] %s;\n",
n.hash(), n.Name), nil
return fmt.Sprintf("node[shape=%s, style=\"filled\", fillcolor=%d] %s;\n",
n.Shape, n.hash(), n.Name), nil
}
func (e *DirectedEdge) GetDOT() (string, error) {

22
pkg/mesh/graphgenerator.go → pkg/mesh/meshgraph.go
View File

@ -34,7 +34,7 @@ func (c *MeshDOTConverter) Generate(meshId string) (string, error) {
}
for _, node := range snapshot.GetNodes() {
g.AddNode(fmt.Sprintf("\"%s\"", node.GetWgHost().IP.String()))
c.graphNode(g, node)
}
nodes := lib.MapValues(snapshot.GetNodes())
@ -45,8 +45,8 @@ func (c *MeshDOTConverter) Generate(meshId string) (string, error) {
continue
}
node1Id := fmt.Sprintf("\"%s\"", node1.GetWgHost().IP.String())
node2Id := fmt.Sprintf("\"%s\"", node2.GetWgHost().IP.String())
node1Id := fmt.Sprintf("\"%s\"", node1.GetIdentifier())
node2Id := fmt.Sprintf("\"%s\"", node2.GetIdentifier())
g.AddEdge(fmt.Sprintf("%s to %s", node1Id, node2Id), node1Id, node2Id)
}
}
@ -54,6 +54,22 @@ func (c *MeshDOTConverter) Generate(meshId string) (string, error) {
return g.GetDOT()
}
// graphNode: graphs a node within the mesh
func (c *MeshDOTConverter) graphNode(g *graph.Graph, node MeshNode) {
nodeId := fmt.Sprintf("\"%s\"", node.GetIdentifier())
g.PutNode(nodeId, graph.CIRCLE)
if node.GetHostEndpoint() == c.manager.HostParameters.HostEndpoint {
return
}
for _, route := range node.GetRoutes() {
routeId := fmt.Sprintf("\"%s\"", route)
g.PutNode(routeId, graph.HEXAGON)
g.AddEdge(fmt.Sprintf("%s to %s", nodeId, routeId), nodeId, routeId)
}
}
func NewMeshDotConverter(m *MeshManager) MeshGraphConverter {
return &MeshDOTConverter{manager: m}
}

6
pkg/mesh/meshmanager.go
View File

@ -45,7 +45,6 @@ func (m *MeshManager) CreateMesh(devName string, port int) (string, error) {
}
m.Meshes[key.String()] = nodeManager
return key.String(), err
}
@ -70,12 +69,13 @@ func (m *MeshManager) AddMesh(meshId string, devName string, port int, meshBytes
}
m.Meshes[meshId] = meshProvider
return nil
return err
}
// AddMeshNode: Add a mesh node
func (m *MeshManager) AddMeshNode(meshId string, node MeshNode) {
func (m *MeshManager) AddMeshNode(meshId string, node MeshNode) error {
m.Meshes[meshId].AddNode(node)
return m.RouteManager.UpdateRoutes()
}
// HasChanges returns true if the mesh has changes

65
pkg/mesh/routemanager.go
View File

@ -1,12 +1,13 @@
package mesh
import (
"github.com/tim-beatham/wgmesh/pkg/ip"
logging "github.com/tim-beatham/wgmesh/pkg/log"
"github.com/tim-beatham/wgmesh/pkg/route"
)
type RouteManager interface {
UpdateRoutes() error
ApplyWg() error
}
type RouteManagerImpl struct {
@ -15,55 +16,29 @@ type RouteManagerImpl struct {
}
func (r *RouteManagerImpl) UpdateRoutes() error {
// // meshes := r.meshManager.Meshes
// // ulaBuilder := new(ip.ULABuilder)
meshes := r.meshManager.Meshes
ulaBuilder := new(ip.ULABuilder)
// for _, mesh1 := range meshes {
// for _, mesh2 := range meshes {
// if mesh1 == mesh2 {
// continue
// }
for _, mesh1 := range meshes {
for _, mesh2 := range meshes {
if mesh1 == mesh2 {
continue
}
// ipNet, err := ulaBuilder.GetIPNet(mesh2.MeshId)
ipNet, err := ulaBuilder.GetIPNet(mesh2.GetMeshId())
// if err != nil {
// logging.Log.WriteErrorf(err.Error())
// return err
// }
if err != nil {
logging.Log.WriteErrorf(err.Error())
return err
}
// mesh1.AddRoutes(ipNet.String())
// }
// }
err = mesh1.AddRoutes(r.meshManager.HostParameters.HostEndpoint, ipNet.String())
return nil
}
func (r *RouteManagerImpl) ApplyWg() error {
// snapshot, err := mesh.GetMesh()
// if err != nil {
// return err
// }
// for _, node := range snapshot.Nodes {
// if node.HostEndpoint == r.meshManager.HostEndpoint {
// continue
// }
// for route, _ := range node.Routes {
// _, netIP, err := net.ParseCIDR(route)
// if err != nil {
// return err
// }
// err = r.routeInstaller.InstallRoutes(mesh.IfName, netIP)
// if err != nil {
// return err
// }
// }
// }
if err != nil {
return err
}
}
}
return nil
}

2
pkg/mesh/types.go
View File

@ -24,6 +24,8 @@ type MeshNode interface {
GetTimeStamp() int64
// GetRoutes: returns the routes that the nodes provides
GetRoutes() []string
// GetIdentifier: returns the identifier of the node
GetIdentifier() string
}
type MeshSnapshot interface {

9
pkg/robin/requester.go
View File

@ -54,7 +54,7 @@ func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
Routes: map[string]interface{}{},
}
n.Server.MeshManager.AddMeshNode(meshId, &meshNode)
err = n.Server.MeshManager.AddMeshNode(meshId, &meshNode)
if err != nil {
return err
@ -130,7 +130,12 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
WgHost: ipAddr.String() + "/128",
Routes: make(map[string]interface{}),
}
n.Server.MeshManager.AddMeshNode(args.MeshId, &node)
err = n.Server.MeshManager.AddMeshNode(args.MeshId, &node)
if err != nil {
return err
}
*reply = strconv.FormatBool(true)
return nil
}