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https://github.com/cwinfo/yggdrasil-go.git
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Various fixes and error catching, add setTunTap
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parent
4ecc7ce860
commit
c75566d5ac
@ -143,44 +143,35 @@ func (a *admin) init(c *Core, listenaddr string) {
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"mtu": a.core.tun.mtu,
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}, nil
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})
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a.addHandler("setTunTap", []string{"name", "<tap_mode>", "<mtu>"}, func(in admin_info) (admin_info, error) {
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// Set sane defaults
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iftapmode := false
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ifmtu := getDefaults().defaultIfMTU
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// Has TAP mode been specified?
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if tap, ok := in["tap_mode"]; ok {
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iftapmode = tap.(bool)
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}
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// Check we have enough params for MTU
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if mtu, ok := in["mtu"]; ok {
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if mtu.(int) >= 1280 && ifmtu <= getDefaults().maximumIfMTU {
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ifmtu = in["mtu"].(int)
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}
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}
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// Start the TUN adapter
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if err := a.startTunWithMTU(in["name"].(string), iftapmode, ifmtu); err != nil {
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return admin_info{}, errors.New("Failed to configure adapter")
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} else {
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return admin_info{
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"name": a.core.tun.iface.Name(),
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"tap_mode": iftapmode,
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"mtu": ifmtu,
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}, nil
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}
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})
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a.addHandler("getAllowedBoxPubs", nil, func(in admin_info) (admin_info, error) {
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return admin_info{"allowed_box_pubs": a.getAllowedBoxPubs()}, nil
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})
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/*
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a.addHandler("setTunTap", []string{"<ifname|auto|none>", "[<tun|tap>]", "[<mtu>]"}, func(out *[]byte, ifparams ...string) {
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// Set sane defaults
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iftapmode := false
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ifmtu := 1280
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var err error
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// Check we have enough params for TAP mode
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if len(ifparams) > 1 {
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// Is it a TAP adapter?
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if ifparams[1] == "tap" {
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iftapmode = true
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}
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}
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// Check we have enough params for MTU
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if len(ifparams) > 2 {
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// Make sure the MTU is sane
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ifmtu, err = strconv.Atoi(ifparams[2])
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if err != nil || ifmtu < 1280 || ifmtu > 65535 {
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ifmtu = 1280
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}
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}
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// Start the TUN adapter
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if err := a.startTunWithMTU(ifparams[0], iftapmode, ifmtu); err != nil {
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*out = []byte(fmt.Sprintf("Failed to set TUN: %v\n", err))
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} else {
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info := admin_nodeInfo{
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{"Interface name", ifparams[0]},
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{"TAP mode", strconv.FormatBool(iftapmode)},
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{"mtu", strconv.Itoa(ifmtu)},
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}
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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}
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})
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*/
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/*
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a.addHandler("getAllowedBoxPubs", nil, func(out *[]byte, _ ...string) {
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*out = []byte(a.getAllowedBoxPubs())
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})
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a.addHandler("addAllowedBoxPub", []string{"<boxPubKey>"}, func(out *[]byte, saddr ...string) {
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if a.addAllowedBoxPub(saddr[0]) == nil {
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*out = []byte("Adding key: " + saddr[0] + "\n")
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@ -215,24 +206,45 @@ func (a *admin) listen() {
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}
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func (a *admin) handleRequest(conn net.Conn) {
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defer conn.Close()
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decoder := json.NewDecoder(conn)
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encoder := json.NewEncoder(conn)
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encoder.SetIndent("", " ")
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recv := make(admin_info)
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send := make(admin_info)
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defer func() {
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r := recover()
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if r != nil {
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send = admin_info{
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"status": "error",
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"error": "Unrecoverable error, possibly as a result of invalid input types or malformed syntax",
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}
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if err := encoder.Encode(&send); err != nil {
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fmt.Println("Admin socket JSON encode error:", err)
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}
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conn.Close()
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}
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}()
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for {
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// Start with a clean slate on each request
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recv = admin_info{}
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send = admin_info{}
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// Decode the input
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if err := decoder.Decode(&recv); err != nil {
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fmt.Println("Admin socket JSON decode error:", err)
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return
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}
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// Send the request back with the response, and default to "error"
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// unless the status is changed below by one of the handlers
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send["request"] = recv
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send["status"] = "error"
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handlers:
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for _, handler := range a.handlers {
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// We've found the handler that matches the request
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if recv["request"] == handler.name {
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// Check that we have all the required arguments
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for _, arg := range handler.args {
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@ -243,10 +255,9 @@ func (a *admin) handleRequest(conn net.Conn) {
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}
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// Check if the field is missing
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if _, ok := recv[arg]; !ok {
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fmt.Println("Missing required argument", arg)
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send = admin_info{
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"error": "One or more expected fields missing",
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"expecting": handler.args,
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"error": "Expected field missing",
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"expecting": arg,
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}
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break handlers
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}
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@ -266,16 +277,21 @@ func (a *admin) handleRequest(conn net.Conn) {
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send["response"] = response
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}
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}
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break
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}
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}
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// Send the response back
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if err := encoder.Encode(&send); err != nil {
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fmt.Println("Admin socket JSON encode error:", err)
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return
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}
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return
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// If "keepalive" isn't true then close the connection
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if keepalive, ok := recv["keepalive"]; !ok || !keepalive.(bool) {
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conn.Close()
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}
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}
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}
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@ -476,14 +492,13 @@ func (a *admin) getData_getSessions() []admin_nodeInfo {
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return infos
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}
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func (a *admin) getAllowedBoxPubs() string {
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func (a *admin) getAllowedBoxPubs() []string {
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pubs := a.core.peers.getAllowedBoxPubs()
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var out []string
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for _, pub := range pubs {
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out = append(out, hex.EncodeToString(pub[:]))
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}
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out = append(out, "")
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return strings.Join(out, "\n")
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return out
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}
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func (a *admin) addAllowedBoxPub(bstr string) (err error) {
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