yggdrasil-network/yggdrasil-go
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Refactor admin socket somewhat, allow modules to set up their own handlers

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This commit is contained in:
Neil Alexander 2019-05-19 22:02:04 +01:00
parent 8ef1978cb1
commit d575b83ec1
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GPG key ID: A02A2019A2BB0944
4 changed files with 379 additions and 400 deletions
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2
cmd/yggdrasil/main.go
View file

@ -196,6 +196,7 @@ func main() {
if err := n.multicast.Start(); err != nil {
logger.Errorln("An error occurred starting multicast:", err)
}
n.multicast.SetupAdminHandlers(&n.admin)
// Start the TUN/TAP interface
if listener, err := n.core.ConnListen(); err == nil {
if dialer, err := n.core.ConnDialer(); err == nil {
@ -203,6 +204,7 @@ func main() {
if err := n.tuntap.Start(); err != nil {
logger.Errorln("An error occurred starting TUN/TAP:", err)
}
n.tuntap.SetupAdminHandlers(&n.admin)
} else {
logger.Errorln("Unable to get Dialer:", err)
}

390
src/admin/admin.go
View file

@ -2,6 +2,7 @@ package admin
import (
"encoding/json"
"errors"
"fmt"
"net"
"net/url"
@ -25,29 +26,27 @@ type AdminSocket struct {
reconfigure chan chan error
listenaddr string
listener net.Listener
handlers []admin_handlerInfo
handlers map[string]handler
}
type admin_info map[string]interface{}
// Info refers to information that is returned to the admin socket handler.
type Info map[string]interface{}
type admin_handlerInfo struct {
name string // Checked against the first word of the api call
type handler struct {
args []string // List of human-readable argument names
handler func(admin_info) (admin_info, error) // First is input map, second is output
handler func(Info) (Info, error) // First is input map, second is output
}
// admin_pair maps things like "IP", "port", "bucket", or "coords" onto values.
type admin_pair struct {
key string
val interface{}
// AddHandler is called for each admin function to add the handler and help documentation to the API.
func (a *AdminSocket) AddHandler(name string, args []string, handlerfunc func(Info) (Info, error)) error {
if _, ok := a.handlers[strings.ToLower(name)]; ok {
return errors.New("handler already exists")
}
// admin_nodeInfo represents the information we know about a node for an admin response.
type admin_nodeInfo []admin_pair
// addHandler is called for each admin function to add the handler and help documentation to the API.
func (a *AdminSocket) addHandler(name string, args []string, handler func(admin_info) (admin_info, error)) {
a.handlers = append(a.handlers, admin_handlerInfo{name, args, handler})
a.handlers[strings.ToLower(name)] = handler{
args: args,
handler: handlerfunc,
}
return nil
}
// init runs the initial admin setup.
@ -55,6 +54,7 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
a.core = c
a.log = log
a.reconfigure = make(chan chan error, 1)
a.handlers = make(map[string]handler)
go func() {
for {
e := <-a.reconfigure
@ -69,21 +69,23 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
}()
current, _ := state.Get()
a.listenaddr = current.AdminListen
a.addHandler("list", []string{}, func(in admin_info) (admin_info, error) {
a.AddHandler("list", []string{}, func(in Info) (Info, error) {
handlers := make(map[string]interface{})
for _, handler := range a.handlers {
handlers[handler.name] = admin_info{"fields": handler.args}
for handlername, handler := range a.handlers {
handlers[handlername] = Info{"fields": handler.args}
}
return admin_info{"list": handlers}, nil
return Info{"list": handlers}, nil
})
/*a.addHandler("dot", []string{}, func(in admin_info) (admin_info, error) {
return admin_info{"dot": string(a.getResponse_dot())}, nil
})*/
a.addHandler("getSelf", []string{}, func(in admin_info) (admin_info, error) {
/*
a.AddHandler("dot", []string{}, func(in Info) (Info, error) {
return Info{"dot": string(a.getResponse_dot())}, nil
})
*/
a.AddHandler("getSelf", []string{}, func(in Info) (Info, error) {
ip := c.Address().String()
return admin_info{
"self": admin_info{
ip: admin_info{
return Info{
"self": Info{
ip: Info{
"box_pub_key": c.BoxPubKey(),
"build_name": yggdrasil.BuildName(),
"build_version": yggdrasil.BuildVersion(),
@ -93,12 +95,12 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
},
}, nil
})
a.addHandler("getPeers", []string{}, func(in admin_info) (admin_info, error) {
peers := make(admin_info)
a.AddHandler("getPeers", []string{}, func(in Info) (Info, error) {
peers := make(Info)
for _, p := range a.core.GetPeers() {
addr := *address.AddrForNodeID(crypto.GetNodeID(&p.PublicKey))
so := net.IP(addr[:]).String()
peers[so] = admin_info{
peers[so] = Info{
"ip": so,
"port": p.Port,
"uptime": p.Uptime.Seconds(),
@ -109,14 +111,14 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
"box_pub_key": p.PublicKey,
}
}
return admin_info{"peers": peers}, nil
return Info{"peers": peers}, nil
})
a.addHandler("getSwitchPeers", []string{}, func(in admin_info) (admin_info, error) {
switchpeers := make(admin_info)
a.AddHandler("getSwitchPeers", []string{}, func(in Info) (Info, error) {
switchpeers := make(Info)
for _, s := range a.core.GetSwitchPeers() {
addr := *address.AddrForNodeID(crypto.GetNodeID(&s.PublicKey))
so := fmt.Sprint(s.Port)
switchpeers[so] = admin_info{
switchpeers[so] = Info{
"ip": net.IP(addr[:]).String(),
"coords": fmt.Sprintf("%v", s.Coords),
"port": s.Port,
@ -127,31 +129,33 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
"box_pub_key": s.PublicKey,
}
}
return admin_info{"switchpeers": switchpeers}, nil
return Info{"switchpeers": switchpeers}, nil
})
/*a.addHandler("getSwitchQueues", []string{}, func(in admin_info) (admin_info, error) {
/*
a.AddHandler("getSwitchQueues", []string{}, func(in Info) (Info, error) {
queues := a.core.GetSwitchQueues()
return admin_info{"switchqueues": queues.asMap()}, nil
})*/
a.addHandler("getDHT", []string{}, func(in admin_info) (admin_info, error) {
dht := make(admin_info)
return Info{"switchqueues": queues.asMap()}, nil
})
*/
a.AddHandler("getDHT", []string{}, func(in Info) (Info, error) {
dht := make(Info)
for _, d := range a.core.GetDHT() {
addr := *address.AddrForNodeID(crypto.GetNodeID(&d.PublicKey))
so := net.IP(addr[:]).String()
dht[so] = admin_info{
dht[so] = Info{
"coords": fmt.Sprintf("%v", d.Coords),
"last_seen": d.LastSeen.Seconds(),
"box_pub_key": d.PublicKey,
}
}
return admin_info{"dht": dht}, nil
return Info{"dht": dht}, nil
})
a.addHandler("getSessions", []string{}, func(in admin_info) (admin_info, error) {
sessions := make(admin_info)
a.AddHandler("getSessions", []string{}, func(in Info) (Info, error) {
sessions := make(Info)
for _, s := range a.core.GetSessions() {
addr := *address.AddrForNodeID(crypto.GetNodeID(&s.PublicKey))
so := net.IP(addr[:]).String()
sessions[so] = admin_info{
sessions[so] = Info{
"coords": fmt.Sprintf("%v", s.Coords),
"bytes_sent": s.BytesSent,
"bytes_recvd": s.BytesRecvd,
@ -160,9 +164,10 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
"box_pub_key": s.PublicKey,
}
}
return admin_info{"sessions": sessions}, nil
return Info{"sessions": sessions}, nil
})
/*a.addHandler("addPeer", []string{"uri", "[interface]"}, func(in admin_info) (admin_info, error) {
/*
a.AddHandler("addPeer", []string{"uri", "[interface]"}, func(in Info) (Info, error) {
// Set sane defaults
intf := ""
// Has interface been specified?
@ -170,203 +175,68 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
intf = itf.(string)
}
if a.addPeer(in["uri"].(string), intf) == nil {
return admin_info{
return Info{
"added": []string{
in["uri"].(string),
},
}, nil
} else {
return admin_info{
return Info{
"not_added": []string{
in["uri"].(string),
},
}, errors.New("Failed to add peer")
}
})
a.addHandler("removePeer", []string{"port"}, func(in admin_info) (admin_info, error) {
a.AddHandler("removePeer", []string{"port"}, func(in Info) (Info, error) {
if a.removePeer(fmt.Sprint(in["port"])) == nil {
return admin_info{
return Info{
"removed": []string{
fmt.Sprint(in["port"]),
},
}, nil
} else {
return admin_info{
return Info{
"not_removed": []string{
fmt.Sprint(in["port"]),
},
}, errors.New("Failed to remove peer")
}
})
a.addHandler("getTunTap", []string{}, func(in admin_info) (r admin_info, e error) {
defer func() {
if err := recover(); err != nil {
r = admin_info{"none": admin_info{}}
e = nil
}
}()
return admin_info{
a.core.router.tun.iface.Name(): admin_info{
"tap_mode": a.core.router.tun.iface.IsTAP(),
"mtu": a.core.router.tun.mtu,
},
}, nil
a.AddHandler("getAllowedEncryptionPublicKeys", []string{}, func(in Info) (Info, error) {
return Info{"allowed_box_pubs": a.getAllowedEncryptionPublicKeys()}, nil
})
a.addHandler("setTunTap", []string{"name", "[tap_mode]", "[mtu]"}, func(in admin_info) (admin_info, error) {
// Set sane defaults
iftapmode := defaults.GetDefaults().DefaultIfTAPMode
ifmtu := defaults.GetDefaults().DefaultIfMTU
// Has TAP mode been specified?
if tap, ok := in["tap_mode"]; ok {
iftapmode = tap.(bool)
}
// Check we have enough params for MTU
if mtu, ok := in["mtu"]; ok {
if mtu.(float64) >= 1280 && ifmtu <= defaults.GetDefaults().MaximumIfMTU {
ifmtu = int(in["mtu"].(float64))
}
}
// Start the TUN adapter
if err := a.startTunWithMTU(in["name"].(string), iftapmode, ifmtu); err != nil {
return admin_info{}, errors.New("Failed to configure adapter")
} else {
return admin_info{
a.core.router.tun.iface.Name(): admin_info{
"tap_mode": a.core.router.tun.iface.IsTAP(),
"mtu": ifmtu,
},
}, nil
}
})*/
/*a.addHandler("getMulticastInterfaces", []string{}, func(in admin_info) (admin_info, error) {
var intfs []string
for _, v := range a.core.multicast.interfaces() {
intfs = append(intfs, v.Name)
}
return admin_info{"multicast_interfaces": intfs}, nil
})
a.addHandler("getAllowedEncryptionPublicKeys", []string{}, func(in admin_info) (admin_info, error) {
return admin_info{"allowed_box_pubs": a.getAllowedEncryptionPublicKeys()}, nil
})
a.addHandler("addAllowedEncryptionPublicKey", []string{"box_pub_key"}, func(in admin_info) (admin_info, error) {
a.AddHandler("addAllowedEncryptionPublicKey", []string{"box_pub_key"}, func(in Info) (Info, error) {
if a.addAllowedEncryptionPublicKey(in["box_pub_key"].(string)) == nil {
return admin_info{
return Info{
"added": []string{
in["box_pub_key"].(string),
},
}, nil
} else {
return admin_info{
return Info{
"not_added": []string{
in["box_pub_key"].(string),
},
}, errors.New("Failed to add allowed key")
}
})
a.addHandler("removeAllowedEncryptionPublicKey", []string{"box_pub_key"}, func(in admin_info) (admin_info, error) {
a.AddHandler("removeAllowedEncryptionPublicKey", []string{"box_pub_key"}, func(in Info) (Info, error) {
if a.removeAllowedEncryptionPublicKey(in["box_pub_key"].(string)) == nil {
return admin_info{
return Info{
"removed": []string{
in["box_pub_key"].(string),
},
}, nil
} else {
return admin_info{
return Info{
"not_removed": []string{
in["box_pub_key"].(string),
},
}, errors.New("Failed to remove allowed key")
}
})
a.addHandler("getTunnelRouting", []string{}, func(in admin_info) (admin_info, error) {
enabled := false
a.core.router.doAdmin(func() {
enabled = a.core.router.cryptokey.isEnabled()
})
return admin_info{"enabled": enabled}, nil
})
a.addHandler("setTunnelRouting", []string{"enabled"}, func(in admin_info) (admin_info, error) {
enabled := false
if e, ok := in["enabled"].(bool); ok {
enabled = e
}
a.core.router.doAdmin(func() {
a.core.router.cryptokey.setEnabled(enabled)
})
return admin_info{"enabled": enabled}, nil
})
a.addHandler("addSourceSubnet", []string{"subnet"}, func(in admin_info) (admin_info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.addSourceSubnet(in["subnet"].(string))
})
if err == nil {
return admin_info{"added": []string{in["subnet"].(string)}}, nil
} else {
return admin_info{"not_added": []string{in["subnet"].(string)}}, errors.New("Failed to add source subnet")
}
})
a.addHandler("addRoute", []string{"subnet", "box_pub_key"}, func(in admin_info) (admin_info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.addRoute(in["subnet"].(string), in["box_pub_key"].(string))
})
if err == nil {
return admin_info{"added": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, nil
} else {
return admin_info{"not_added": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, errors.New("Failed to add route")
}
})
a.addHandler("getSourceSubnets", []string{}, func(in admin_info) (admin_info, error) {
var subnets []string
a.core.router.doAdmin(func() {
getSourceSubnets := func(snets []net.IPNet) {
for _, subnet := range snets {
subnets = append(subnets, subnet.String())
}
}
getSourceSubnets(a.core.router.cryptokey.ipv4sources)
getSourceSubnets(a.core.router.cryptokey.ipv6sources)
})
return admin_info{"source_subnets": subnets}, nil
})
a.addHandler("getRoutes", []string{}, func(in admin_info) (admin_info, error) {
routes := make(admin_info)
a.core.router.doAdmin(func() {
getRoutes := func(ckrs []cryptokey_route) {
for _, ckr := range ckrs {
routes[ckr.subnet.String()] = hex.EncodeToString(ckr.destination[:])
}
}
getRoutes(a.core.router.cryptokey.ipv4routes)
getRoutes(a.core.router.cryptokey.ipv6routes)
})
return admin_info{"routes": routes}, nil
})
a.addHandler("removeSourceSubnet", []string{"subnet"}, func(in admin_info) (admin_info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.removeSourceSubnet(in["subnet"].(string))
})
if err == nil {
return admin_info{"removed": []string{in["subnet"].(string)}}, nil
} else {
return admin_info{"not_removed": []string{in["subnet"].(string)}}, errors.New("Failed to remove source subnet")
}
})
a.addHandler("removeRoute", []string{"subnet", "box_pub_key"}, func(in admin_info) (admin_info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.removeRoute(in["subnet"].(string), in["box_pub_key"].(string))
})
if err == nil {
return admin_info{"removed": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, nil
} else {
return admin_info{"not_removed": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, errors.New("Failed to remove route")
}
})
a.addHandler("dhtPing", []string{"box_pub_key", "coords", "[target]"}, func(in admin_info) (admin_info, error) {
a.AddHandler("dhtPing", []string{"box_pub_key", "coords", "[target]"}, func(in Info) (Info, error) {
if in["target"] == nil {
in["target"] = "none"
}
@ -381,12 +251,12 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
addr := net.IP(address.AddrForNodeID(crypto.GetNodeID(&dinfo.key))[:]).String()
infos[addr] = info
}
return admin_info{"nodes": infos}, nil
return Info{"nodes": infos}, nil
} else {
return admin_info{}, err
return Info{}, err
}
})
a.addHandler("getNodeInfo", []string{"[box_pub_key]", "[coords]", "[nocache]"}, func(in admin_info) (admin_info, error) {
a.AddHandler("getNodeInfo", []string{"[box_pub_key]", "[coords]", "[nocache]"}, func(in Info) (Info, error) {
var nocache bool
if in["nocache"] != nil {
nocache = in["nocache"].(string) == "true"
@ -399,12 +269,12 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
})
var jsoninfo interface{}
if err := json.Unmarshal(nodeinfo, &jsoninfo); err != nil {
return admin_info{}, err
return Info{}, err
} else {
return admin_info{"nodeinfo": jsoninfo}, nil
return Info{"nodeinfo": jsoninfo}, nil
}
} else if in["box_pub_key"] == nil || in["coords"] == nil {
return admin_info{}, errors.New("Expecting both box_pub_key and coords")
return Info{}, errors.New("Expecting both box_pub_key and coords")
} else {
box_pub_key = in["box_pub_key"].(string)
coords = in["coords"].(string)
@ -413,14 +283,15 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
if err == nil {
var m map[string]interface{}
if err = json.Unmarshal(result, &m); err == nil {
return admin_info{"nodeinfo": m}, nil
return Info{"nodeinfo": m}, nil
} else {
return admin_info{}, err
return Info{}, err
}
} else {
return admin_info{}, err
return Info{}, err
}
})*/
})
*/
}
// start runs the admin API socket to listen for / respond to admin API calls.
@ -500,13 +371,13 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
decoder := json.NewDecoder(conn)
encoder := json.NewEncoder(conn)
encoder.SetIndent("", " ")
recv := make(admin_info)
send := make(admin_info)
recv := make(Info)
send := make(Info)
defer func() {
r := recover()
if r != nil {
send = admin_info{
send = Info{
"status": "error",
"error": "Unrecoverable error, possibly as a result of invalid input types or malformed syntax",
}
@ -520,8 +391,8 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
for {
// Start with a clean slate on each request
recv = admin_info{}
send = admin_info{}
recv = Info{}
send = Info{}
// Decode the input
if err := decoder.Decode(&recv); err != nil {
@ -534,12 +405,17 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
send["request"] = recv
send["status"] = "error"
handlers:
for _, handler := range a.handlers {
// We've found the handler that matches the request
if strings.ToLower(recv["request"].(string)) == strings.ToLower(handler.name) {
if _, ok := recv["request"]; !ok {
send["error"] = "No request sent"
break
}
n := strings.ToLower(recv["request"].(string))
if h, ok := a.handlers[strings.ToLower(n)]; ok {
fmt.Println("HANDLER FOUND", n, h)
// Check that we have all the required arguments
for _, arg := range handler.args {
for _, arg := range h.args {
// An argument in [square brackets] is optional and not required,
// so we can safely ignore those
if strings.HasPrefix(arg, "[") && strings.HasSuffix(arg, "]") {
@ -547,18 +423,18 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
}
// Check if the field is missing
if _, ok := recv[arg]; !ok {
send = admin_info{
send = Info{
"status": "error",
"error": "Expected field missing: " + arg,
"expecting": arg,
}
break handlers
break
}
}
// By this point we should have all the fields we need, so call
// the handler
response, err := handler.handler(recv)
response, err := h.handler(recv)
if err != nil {
send["error"] = err.Error()
if response != nil {
@ -570,9 +446,6 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
send["response"] = response
}
}
break
}
}
// Send the response back
@ -587,55 +460,6 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {
}
}
// asMap converts an admin_nodeInfo into a map of key/value pairs.
func (n *admin_nodeInfo) asMap() map[string]interface{} {
m := make(map[string]interface{}, len(*n))
for _, p := range *n {
m[p.key] = p.val
}
return m
}
// toString creates a printable string representation of an admin_nodeInfo.
func (n *admin_nodeInfo) toString() string {
// TODO return something nicer looking than this
var out []string
for _, p := range *n {
out = append(out, fmt.Sprintf("%v: %v", p.key, p.val))
}
return strings.Join(out, ", ")
}
// printInfos returns a newline separated list of strings from admin_nodeInfos, e.g. a printable string of info about all peers.
func (a *AdminSocket) printInfos(infos []admin_nodeInfo) string {
var out []string
for _, info := range infos {
out = append(out, info.toString())
}
out = append(out, "") // To add a trailing "\n" in the join
return strings.Join(out, "\n")
}
/*
// addPeer triggers a connection attempt to a node.
func (a *AdminSocket) addPeer(addr string, sintf string) error {
err := a.core.link.call(addr, sintf)
if err != nil {
return err
}
return nil
}
// removePeer disconnects an existing node (given by the node's port number).
func (a *AdminSocket) removePeer(p string) error {
iport, err := strconv.Atoi(p)
if err != nil {
return err
}
a.core.RemovePeer(iport)
return nil
}
*/
/*
// Send a DHT ping to the node with the provided key and coords, optionally looking up the specified target NodeID.
func (a *AdminSocket) admin_dhtPing(keyString, coordString, targetString string) (dhtRes, error) {
@ -740,21 +564,25 @@ func (a *AdminSocket) admin_getNodeInfo(keyString, coordString string, nocache b
}
return nodeinfoPayload{}, errors.New(fmt.Sprintf("getNodeInfo timeout: %s", keyString))
}
*/
// getResponse_dot returns a response for a graphviz dot formatted representation of the known parts of the network.
// This is color-coded and labeled, and includes the self node, switch peers, nodes known to the DHT, and nodes with open sessions.
// The graph is structured as a tree with directed links leading away from the root.
// getResponse_dot returns a response for a graphviz dot formatted
// representation of the known parts of the network. This is color-coded and
// labeled, and includes the self node, switch peers, nodes known to the DHT,
// and nodes with open sessions. The graph is structured as a tree with directed
// links leading away from the root.
/*
func (a *AdminSocket) getResponse_dot() []byte {
self := a.getData_getSelf()
peers := a.getData_getSwitchPeers()
dht := a.getData_getDHT()
sessions := a.getData_getSessions()
//self := a.getData_getSelf()
peers := a.core.GetSwitchPeers()
dht := a.core.GetDHT()
sessions := a.core.GetSessions()
// Start building a tree from all known nodes
type nodeInfo struct {
name string
key string
parent string
port switchPort
port uint64
options string
}
infos := make(map[string]nodeInfo)
@ -782,7 +610,7 @@ func (a *AdminSocket) getResponse_dot() []byte {
portStr := coordsSplit[len(coordsSplit)-1]
portUint, err := strconv.ParseUint(portStr, 10, 64)
if err == nil {
info.port = switchPort(portUint)
info.port = portUint
}
}
infos[info.key] = info
@ -811,7 +639,7 @@ func (a *AdminSocket) getResponse_dot() []byte {
portStr := coordsSplit[len(coordsSplit)-1]
portUint, err := strconv.ParseUint(portStr, 10, 64)
if err == nil {
newInfo.port = switchPort(portUint)
newInfo.port = portUint
}
}

13
src/multicast/admin.go Normal file
View file

@ -0,0 +1,13 @@
package multicast
import "github.com/yggdrasil-network/yggdrasil-go/src/admin"
func (m *Multicast) SetupAdminHandlers(a *admin.AdminSocket) {
a.AddHandler("getMulticastInterfaces", []string{}, func(in admin.Info) (admin.Info, error) {
var intfs []string
for _, v := range m.interfaces() {
intfs = append(intfs, v.Name)
}
return admin.Info{"multicast_interfaces": intfs}, nil
})
}

136
src/tuntap/admin.go Normal file
View file

@ -0,0 +1,136 @@
package tuntap
import "github.com/yggdrasil-network/yggdrasil-go/src/admin"
func (t *TunAdapter) SetupAdminHandlers(a *admin.AdminSocket) {
a.AddHandler("getTunTap", []string{}, func(in admin.Info) (r admin.Info, e error) {
defer func() {
if err := recover(); err != nil {
r = admin.Info{"none": admin.Info{}}
e = nil
}
}()
return admin.Info{
t.iface.Name(): admin.Info{
"tap_mode": t.iface.IsTAP(),
"mtu": t.mtu,
},
}, nil
})
/*
a.AddHandler("setTunTap", []string{"name", "[tap_mode]", "[mtu]"}, func(in Info) (Info, error) {
// Set sane defaults
iftapmode := defaults.GetDefaults().DefaultIfTAPMode
ifmtu := defaults.GetDefaults().DefaultIfMTU
// Has TAP mode been specified?
if tap, ok := in["tap_mode"]; ok {
iftapmode = tap.(bool)
}
// Check we have enough params for MTU
if mtu, ok := in["mtu"]; ok {
if mtu.(float64) >= 1280 && ifmtu <= defaults.GetDefaults().MaximumIfMTU {
ifmtu = int(in["mtu"].(float64))
}
}
// Start the TUN adapter
if err := a.startTunWithMTU(in["name"].(string), iftapmode, ifmtu); err != nil {
return Info{}, errors.New("Failed to configure adapter")
} else {
return Info{
a.core.router.tun.iface.Name(): Info{
"tap_mode": a.core.router.tun.iface.IsTAP(),
"mtu": ifmtu,
},
}, nil
}
})
a.AddHandler("getTunnelRouting", []string{}, func(in Info) (Info, error) {
enabled := false
a.core.router.doAdmin(func() {
enabled = a.core.router.cryptokey.isEnabled()
})
return Info{"enabled": enabled}, nil
})
a.AddHandler("setTunnelRouting", []string{"enabled"}, func(in Info) (Info, error) {
enabled := false
if e, ok := in["enabled"].(bool); ok {
enabled = e
}
a.core.router.doAdmin(func() {
a.core.router.cryptokey.setEnabled(enabled)
})
return Info{"enabled": enabled}, nil
})
a.AddHandler("addSourceSubnet", []string{"subnet"}, func(in Info) (Info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.addSourceSubnet(in["subnet"].(string))
})
if err == nil {
return Info{"added": []string{in["subnet"].(string)}}, nil
} else {
return Info{"not_added": []string{in["subnet"].(string)}}, errors.New("Failed to add source subnet")
}
})
a.AddHandler("addRoute", []string{"subnet", "box_pub_key"}, func(in Info) (Info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.addRoute(in["subnet"].(string), in["box_pub_key"].(string))
})
if err == nil {
return Info{"added": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, nil
} else {
return Info{"not_added": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, errors.New("Failed to add route")
}
})
a.AddHandler("getSourceSubnets", []string{}, func(in Info) (Info, error) {
var subnets []string
a.core.router.doAdmin(func() {
getSourceSubnets := func(snets []net.IPNet) {
for _, subnet := range snets {
subnets = append(subnets, subnet.String())
}
}
getSourceSubnets(a.core.router.cryptokey.ipv4sources)
getSourceSubnets(a.core.router.cryptokey.ipv6sources)
})
return Info{"source_subnets": subnets}, nil
})
a.AddHandler("getRoutes", []string{}, func(in Info) (Info, error) {
routes := make(Info)
a.core.router.doAdmin(func() {
getRoutes := func(ckrs []cryptokey_route) {
for _, ckr := range ckrs {
routes[ckr.subnet.String()] = hex.EncodeToString(ckr.destination[:])
}
}
getRoutes(a.core.router.cryptokey.ipv4routes)
getRoutes(a.core.router.cryptokey.ipv6routes)
})
return Info{"routes": routes}, nil
})
a.AddHandler("removeSourceSubnet", []string{"subnet"}, func(in Info) (Info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.removeSourceSubnet(in["subnet"].(string))
})
if err == nil {
return Info{"removed": []string{in["subnet"].(string)}}, nil
} else {
return Info{"not_removed": []string{in["subnet"].(string)}}, errors.New("Failed to remove source subnet")
}
})
a.AddHandler("removeRoute", []string{"subnet", "box_pub_key"}, func(in Info) (Info, error) {
var err error
a.core.router.doAdmin(func() {
err = a.core.router.cryptokey.removeRoute(in["subnet"].(string), in["box_pub_key"].(string))
})
if err == nil {
return Info{"removed": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, nil
} else {
return Info{"not_removed": []string{fmt.Sprintf("%s via %s", in["subnet"].(string), in["box_pub_key"].(string))}}, errors.New("Failed to remove route")
}
})
*/
}