mirror of
https://github.com/yggdrasil-network/yggdrasil-go.git
synced 2024-12-24 00:37:49 +00:00
Merge pull request #301 from neilalexander/ios
Boilerplate for iOS support
This commit is contained in:
commit
38209ee9b9
7
build
7
build
@ -6,12 +6,13 @@ PKGVER=${PKGVER:-$(sh contrib/semver/version.sh --bare)}
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LDFLAGS="-X $PKGSRC.buildName=$PKGNAME -X $PKGSRC.buildVersion=$PKGVER"
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while getopts "udtc:l:" option
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while getopts "udmtc:l:" option
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do
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case "${option}"
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in
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u) UPX=true;;
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d) DEBUG=true;;
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m) MOBILE=true;;
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t) TABLES=true;;
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c) GCFLAGS="$GCFLAGS $OPTARG";;
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l) LDFLAGS="$LDFLAGS $OPTARG";;
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@ -25,7 +26,9 @@ fi
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for CMD in `ls cmd/` ; do
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echo "Building: $CMD"
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if [ $DEBUG ]; then
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if [ $MOBILE ]; then
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go build -ldflags="$LDFLAGS" -gcflags="$GCFLAGS" -tags mobile -v ./cmd/$CMD
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elif [ $DEBUG ]; then
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go build -ldflags="$LDFLAGS" -gcflags="$GCFLAGS" -tags debug -v ./cmd/$CMD
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else
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go build -ldflags="$LDFLAGS $STRIP" -gcflags="$GCFLAGS" -v ./cmd/$CMD
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|
@ -2,13 +2,11 @@ package main
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"math/rand"
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"os"
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"os/signal"
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"regexp"
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@ -23,7 +21,6 @@ import (
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"github.com/mitchellh/mapstructure"
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"github.com/yggdrasil-network/yggdrasil-go/src/config"
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"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
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"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
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)
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@ -34,52 +31,10 @@ type node struct {
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core Core
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}
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// Generates default configuration. This is used when outputting the -genconf
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// parameter and also when using -autoconf. The isAutoconf flag is used to
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// determine whether the operating system should select a free port by itself
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// (which guarantees that there will not be a conflict with any other services)
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// or whether to generate a random port number. The only side effect of setting
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// isAutoconf is that the TCP and UDP ports will likely end up with different
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// port numbers.
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func generateConfig(isAutoconf bool) *nodeConfig {
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// Create a new core.
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core := Core{}
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// Generate encryption keys.
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bpub, bpriv := core.NewEncryptionKeys()
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spub, spriv := core.NewSigningKeys()
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// Create a node configuration and populate it.
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cfg := nodeConfig{}
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if isAutoconf {
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cfg.Listen = "[::]:0"
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} else {
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r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
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cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768)
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}
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cfg.AdminListen = defaults.GetDefaults().DefaultAdminListen
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cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
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cfg.EncryptionPrivateKey = hex.EncodeToString(bpriv[:])
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cfg.SigningPublicKey = hex.EncodeToString(spub[:])
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cfg.SigningPrivateKey = hex.EncodeToString(spriv[:])
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cfg.Peers = []string{}
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cfg.InterfacePeers = map[string][]string{}
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cfg.AllowedEncryptionPublicKeys = []string{}
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cfg.MulticastInterfaces = []string{".*"}
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cfg.IfName = defaults.GetDefaults().DefaultIfName
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cfg.IfMTU = defaults.GetDefaults().DefaultIfMTU
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cfg.IfTAPMode = defaults.GetDefaults().DefaultIfTAPMode
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cfg.SessionFirewall.Enable = false
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cfg.SessionFirewall.AllowFromDirect = true
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cfg.SessionFirewall.AllowFromRemote = true
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cfg.SwitchOptions.MaxTotalQueueSize = yggdrasil.SwitchQueueTotalMinSize
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cfg.NodeInfoPrivacy = false
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return &cfg
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}
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// Generates a new configuration and returns it in HJSON format. This is used
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// with -genconf.
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func doGenconf(isjson bool) string {
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cfg := generateConfig(false)
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cfg := config.GenerateConfig(false)
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var bs []byte
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var err error
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if isjson {
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@ -114,19 +69,19 @@ func main() {
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case *autoconf:
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// Use an autoconf-generated config, this will give us random keys and
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// port numbers, and will use an automatically selected TUN/TAP interface.
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cfg = generateConfig(true)
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cfg = config.GenerateConfig(true)
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case *useconffile != "" || *useconf:
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// Use a configuration file. If -useconf, the configuration will be read
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// from stdin. If -useconffile, the configuration will be read from the
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// filesystem.
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var config []byte
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var configjson []byte
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var err error
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if *useconffile != "" {
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// Read the file from the filesystem
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config, err = ioutil.ReadFile(*useconffile)
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configjson, err = ioutil.ReadFile(*useconffile)
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} else {
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// Read the file from stdin.
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config, err = ioutil.ReadAll(os.Stdin)
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configjson, err = ioutil.ReadAll(os.Stdin)
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}
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if err != nil {
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panic(err)
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@ -135,11 +90,11 @@ func main() {
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// throwing everywhere when it's converting things into UTF-16 for the hell
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// of it - remove it and decode back down into UTF-8. This is necessary
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// because hjson doesn't know what to do with UTF-16 and will panic
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if bytes.Compare(config[0:2], []byte{0xFF, 0xFE}) == 0 ||
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bytes.Compare(config[0:2], []byte{0xFE, 0xFF}) == 0 {
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if bytes.Compare(configjson[0:2], []byte{0xFF, 0xFE}) == 0 ||
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bytes.Compare(configjson[0:2], []byte{0xFE, 0xFF}) == 0 {
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utf := unicode.UTF16(unicode.BigEndian, unicode.UseBOM)
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decoder := utf.NewDecoder()
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config, err = decoder.Bytes(config)
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configjson, err = decoder.Bytes(configjson)
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if err != nil {
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panic(err)
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}
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@ -148,9 +103,9 @@ func main() {
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// then parse the configuration we loaded above on top of it. The effect
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// of this is that any configuration item that is missing from the provided
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// configuration will use a sane default.
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cfg = generateConfig(false)
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cfg = config.GenerateConfig(false)
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var dat map[string]interface{}
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if err := hjson.Unmarshal(config, &dat); err != nil {
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if err := hjson.Unmarshal(configjson, &dat); err != nil {
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panic(err)
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}
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confJson, err := json.Marshal(dat)
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@ -1,5 +1,15 @@
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package config
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import (
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"encoding/hex"
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"fmt"
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"math/rand"
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"time"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
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)
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// NodeConfig defines all configuration values needed to run a signle yggdrasil node
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type NodeConfig struct {
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Listen string `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
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@ -53,3 +63,45 @@ type TunnelRouting struct {
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type SwitchOptions struct {
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MaxTotalQueueSize uint64 `comment:"Maximum size of all switch queues combined (in bytes)."`
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}
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// Generates default configuration. This is used when outputting the -genconf
|
||||
// parameter and also when using -autoconf. The isAutoconf flag is used to
|
||||
// determine whether the operating system should select a free port by itself
|
||||
// (which guarantees that there will not be a conflict with any other services)
|
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// or whether to generate a random port number. The only side effect of setting
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// isAutoconf is that the TCP and UDP ports will likely end up with different
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// port numbers.
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func GenerateConfig(isAutoconf bool) *NodeConfig {
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// Create a new core.
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//core := Core{}
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// Generate encryption keys.
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bpub, bpriv := crypto.NewBoxKeys()
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spub, spriv := crypto.NewSigKeys()
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// Create a node configuration and populate it.
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cfg := NodeConfig{}
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if isAutoconf {
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cfg.Listen = "[::]:0"
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} else {
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r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
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cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768)
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}
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cfg.AdminListen = defaults.GetDefaults().DefaultAdminListen
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cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
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cfg.EncryptionPrivateKey = hex.EncodeToString(bpriv[:])
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cfg.SigningPublicKey = hex.EncodeToString(spub[:])
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cfg.SigningPrivateKey = hex.EncodeToString(spriv[:])
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cfg.Peers = []string{}
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cfg.InterfacePeers = map[string][]string{}
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cfg.AllowedEncryptionPublicKeys = []string{}
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cfg.MulticastInterfaces = []string{".*"}
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cfg.IfName = defaults.GetDefaults().DefaultIfName
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cfg.IfMTU = defaults.GetDefaults().DefaultIfMTU
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cfg.IfTAPMode = defaults.GetDefaults().DefaultIfTAPMode
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cfg.SessionFirewall.Enable = false
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cfg.SessionFirewall.AllowFromDirect = true
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cfg.SessionFirewall.AllowFromRemote = true
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cfg.SwitchOptions.MaxTotalQueueSize = 4 * 1024 * 1024
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cfg.NodeInfoPrivacy = false
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return &cfg
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}
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|
@ -1,17 +1,8 @@
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package yggdrasil
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// Defines the minimum required functions for an adapter type.
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type AdapterInterface interface {
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init(core *Core, send chan<- []byte, recv <-chan []byte)
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read() error
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write() error
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close() error
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}
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// Defines the minimum required struct members for an adapter type (this is
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// now the base type for tunAdapter in tun.go)
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type Adapter struct {
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AdapterInterface
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core *Core
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send chan<- []byte
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recv <-chan []byte
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|
147
src/yggdrasil/awdl.go
Normal file
147
src/yggdrasil/awdl.go
Normal file
@ -0,0 +1,147 @@
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package yggdrasil
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import (
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"errors"
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"fmt"
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"sync"
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"sync/atomic"
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"time"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"github.com/yggdrasil-network/yggdrasil-go/src/util"
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)
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type awdl struct {
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core *Core
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mutex sync.RWMutex // protects interfaces below
|
||||
interfaces map[string]*awdlInterface
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}
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type awdlInterface struct {
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awdl *awdl
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fromAWDL chan []byte
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toAWDL chan []byte
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shutdown chan bool
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peer *peer
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}
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func (l *awdl) init(c *Core) error {
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l.core = c
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l.mutex.Lock()
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l.interfaces = make(map[string]*awdlInterface)
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l.mutex.Unlock()
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return nil
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}
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|
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func (l *awdl) create(fromAWDL chan []byte, toAWDL chan []byte, boxPubKey *crypto.BoxPubKey, sigPubKey *crypto.SigPubKey, name string) (*awdlInterface, error) {
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/*
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||||
myLinkPub, myLinkPriv := crypto.NewBoxKeys()
|
||||
meta := version_getBaseMetadata()
|
||||
meta.box = l.core.boxPub
|
||||
meta.sig = l.core.sigPub
|
||||
meta.link = *myLinkPub
|
||||
metaBytes := meta.encode()
|
||||
l.core.log.Println("toAWDL <- metaBytes")
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||||
toAWDL <- metaBytes
|
||||
l.core.log.Println("metaBytes = <-fromAWDL")
|
||||
metaBytes = <-fromAWDL
|
||||
l.core.log.Println("version_metadata{}")
|
||||
meta = version_metadata{}
|
||||
if !meta.decode(metaBytes) || !meta.check() {
|
||||
return nil, errors.New("Metadata decode failure")
|
||||
}
|
||||
base := version_getBaseMetadata()
|
||||
if meta.ver > base.ver || meta.ver == base.ver && meta.minorVer > base.minorVer {
|
||||
return nil, errors.New("Failed to connect to node: " + name + " version: " + fmt.Sprintf("%d.%d", meta.ver, meta.minorVer))
|
||||
}
|
||||
shared := crypto.GetSharedKey(myLinkPriv, &meta.link)
|
||||
*/
|
||||
shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
|
||||
intf := awdlInterface{
|
||||
awdl: l,
|
||||
fromAWDL: fromAWDL,
|
||||
toAWDL: toAWDL,
|
||||
shutdown: make(chan bool),
|
||||
peer: l.core.peers.newPeer(boxPubKey, sigPubKey, shared, name),
|
||||
//peer: l.core.peers.newPeer(&meta.box, &meta.sig, shared, name),
|
||||
}
|
||||
if intf.peer != nil {
|
||||
l.mutex.Lock()
|
||||
l.interfaces[name] = &intf
|
||||
l.mutex.Unlock()
|
||||
intf.peer.linkOut = make(chan []byte, 1) // protocol traffic
|
||||
intf.peer.out = func(msg []byte) {
|
||||
defer func() { recover() }()
|
||||
intf.toAWDL <- msg
|
||||
} // called by peer.sendPacket()
|
||||
l.core.switchTable.idleIn <- intf.peer.port // notify switch that we're idle
|
||||
intf.peer.close = func() {
|
||||
close(intf.fromAWDL)
|
||||
close(intf.toAWDL)
|
||||
}
|
||||
go intf.handler()
|
||||
go intf.peer.linkLoop()
|
||||
return &intf, nil
|
||||
}
|
||||
return nil, errors.New("l.core.peers.newPeer failed")
|
||||
}
|
||||
|
||||
func (l *awdl) getInterface(identity string) *awdlInterface {
|
||||
l.mutex.RLock()
|
||||
defer l.mutex.RUnlock()
|
||||
if intf, ok := l.interfaces[identity]; ok {
|
||||
return intf
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *awdl) shutdown(identity string) error {
|
||||
if intf, ok := l.interfaces[identity]; ok {
|
||||
intf.shutdown <- true
|
||||
l.core.peers.removePeer(intf.peer.port)
|
||||
l.mutex.Lock()
|
||||
delete(l.interfaces, identity)
|
||||
l.mutex.Unlock()
|
||||
return nil
|
||||
} else {
|
||||
return errors.New(fmt.Sprintf("Interface '%s' doesn't exist or already shutdown", identity))
|
||||
}
|
||||
}
|
||||
|
||||
func (ai *awdlInterface) handler() {
|
||||
send := func(msg []byte) {
|
||||
ai.toAWDL <- msg
|
||||
atomic.AddUint64(&ai.peer.bytesSent, uint64(len(msg)))
|
||||
util.PutBytes(msg)
|
||||
}
|
||||
for {
|
||||
timerInterval := tcp_ping_interval
|
||||
timer := time.NewTimer(timerInterval)
|
||||
defer timer.Stop()
|
||||
select {
|
||||
case p := <-ai.peer.linkOut:
|
||||
send(p)
|
||||
continue
|
||||
default:
|
||||
}
|
||||
timer.Stop()
|
||||
select {
|
||||
case <-timer.C:
|
||||
default:
|
||||
}
|
||||
timer.Reset(timerInterval)
|
||||
select {
|
||||
case _ = <-timer.C:
|
||||
send([]byte{})
|
||||
case p := <-ai.peer.linkOut:
|
||||
send(p)
|
||||
continue
|
||||
case r := <-ai.fromAWDL:
|
||||
ai.peer.handlePacket(r)
|
||||
ai.awdl.core.switchTable.idleIn <- ai.peer.port
|
||||
case <-ai.shutdown:
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
@ -35,6 +35,7 @@ type Core struct {
|
||||
multicast multicast
|
||||
nodeinfo nodeinfo
|
||||
tcp tcpInterface
|
||||
awdl awdl
|
||||
log *log.Logger
|
||||
ifceExpr []*regexp.Regexp // the zone of link-local IPv6 peers must match this
|
||||
}
|
||||
@ -132,6 +133,11 @@ func (c *Core) Start(nc *config.NodeConfig, log *log.Logger) error {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := c.awdl.init(c); err != nil {
|
||||
c.log.Println("Failed to start AWDL interface")
|
||||
return err
|
||||
}
|
||||
|
||||
if nc.SwitchOptions.MaxTotalQueueSize >= SwitchQueueTotalMinSize {
|
||||
c.switchTable.queueTotalMaxSize = nc.SwitchOptions.MaxTotalQueueSize
|
||||
}
|
||||
|
167
src/yggdrasil/mobile.go
Normal file
167
src/yggdrasil/mobile.go
Normal file
@ -0,0 +1,167 @@
|
||||
// +build mobile
|
||||
|
||||
package yggdrasil
|
||||
|
||||
import (
|
||||
"encoding/hex"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"log"
|
||||
"os"
|
||||
"regexp"
|
||||
|
||||
hjson "github.com/hjson/hjson-go"
|
||||
"github.com/mitchellh/mapstructure"
|
||||
"github.com/yggdrasil-network/yggdrasil-go/src/config"
|
||||
"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
|
||||
"github.com/yggdrasil-network/yggdrasil-go/src/util"
|
||||
)
|
||||
|
||||
// This file is meant to "plug the gap" for mobile support, as Gomobile will
|
||||
// not create headers for Swift/Obj-C etc if they have complex (non-native)
|
||||
// types. Therefore for iOS we will expose some nice simple functions. Note
|
||||
// that in the case of iOS we handle reading/writing to/from TUN in Swift
|
||||
// therefore we use the "dummy" TUN interface instead.
|
||||
|
||||
func (c *Core) StartAutoconfigure() error {
|
||||
mobilelog := MobileLogger{}
|
||||
logger := log.New(mobilelog, "", 0)
|
||||
nc := config.GenerateConfig(true)
|
||||
nc.IfName = "dummy"
|
||||
nc.AdminListen = "tcp://localhost:9001"
|
||||
nc.Peers = []string{}
|
||||
if hostname, err := os.Hostname(); err == nil {
|
||||
nc.NodeInfo = map[string]interface{}{"name": hostname}
|
||||
}
|
||||
ifceExpr, err := regexp.Compile(".*")
|
||||
if err == nil {
|
||||
c.ifceExpr = append(c.ifceExpr, ifceExpr)
|
||||
}
|
||||
if err := c.Start(nc, logger); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Core) StartJSON(configjson []byte) error {
|
||||
mobilelog := MobileLogger{}
|
||||
logger := log.New(mobilelog, "", 0)
|
||||
nc := config.GenerateConfig(false)
|
||||
var dat map[string]interface{}
|
||||
if err := hjson.Unmarshal(configjson, &dat); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := mapstructure.Decode(dat, &nc); err != nil {
|
||||
return err
|
||||
}
|
||||
nc.IfName = "dummy"
|
||||
for _, ll := range nc.MulticastInterfaces {
|
||||
ifceExpr, err := regexp.Compile(ll)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
c.AddMulticastInterfaceExpr(ifceExpr)
|
||||
}
|
||||
if err := c.Start(nc, logger); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func GenerateConfigJSON() []byte {
|
||||
nc := config.GenerateConfig(false)
|
||||
nc.IfName = "dummy"
|
||||
if json, err := json.Marshal(nc); err == nil {
|
||||
return json
|
||||
} else {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Core) GetAddressString() string {
|
||||
return c.GetAddress().String()
|
||||
}
|
||||
|
||||
func (c *Core) GetSubnetString() string {
|
||||
return c.GetSubnet().String()
|
||||
}
|
||||
|
||||
func (c *Core) RouterRecvPacket() ([]byte, error) {
|
||||
packet := <-c.router.tun.recv
|
||||
return packet, nil
|
||||
}
|
||||
|
||||
func (c *Core) RouterSendPacket(buf []byte) error {
|
||||
packet := append(util.GetBytes(), buf[:]...)
|
||||
c.router.tun.send <- packet
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Core) AWDLCreateInterface(boxPubKey string, sigPubKey string, name string) error {
|
||||
fromAWDL := make(chan []byte, 32)
|
||||
toAWDL := make(chan []byte, 32)
|
||||
|
||||
var boxPub crypto.BoxPubKey
|
||||
var sigPub crypto.SigPubKey
|
||||
boxPubHex, err := hex.DecodeString(boxPubKey)
|
||||
if err != nil {
|
||||
c.log.Println(err)
|
||||
return err
|
||||
}
|
||||
sigPubHex, err := hex.DecodeString(sigPubKey)
|
||||
if err != nil {
|
||||
c.log.Println(err)
|
||||
return err
|
||||
}
|
||||
copy(boxPub[:], boxPubHex)
|
||||
copy(sigPub[:], sigPubHex)
|
||||
|
||||
if intf, err := c.awdl.create(fromAWDL, toAWDL, &boxPub, &sigPub, name); err == nil {
|
||||
if intf != nil {
|
||||
c.log.Println(err)
|
||||
return err
|
||||
} else {
|
||||
c.log.Println("c.awdl.create didn't return an interface")
|
||||
return errors.New("c.awdl.create didn't return an interface")
|
||||
}
|
||||
} else {
|
||||
c.log.Println(err)
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Core) AWDLCreateInterfaceFromContext(context []byte, name string) error {
|
||||
if len(context) < crypto.BoxPubKeyLen+crypto.SigPubKeyLen {
|
||||
return errors.New("Not enough bytes in context")
|
||||
}
|
||||
boxPubKey := hex.EncodeToString(context[:crypto.BoxPubKeyLen])
|
||||
sigPubKey := hex.EncodeToString(context[crypto.BoxPubKeyLen:])
|
||||
return c.AWDLCreateInterface(boxPubKey, sigPubKey, name)
|
||||
}
|
||||
|
||||
func (c *Core) AWDLShutdownInterface(name string) error {
|
||||
return c.awdl.shutdown(name)
|
||||
}
|
||||
|
||||
func (c *Core) AWDLRecvPacket(identity string) ([]byte, error) {
|
||||
if intf := c.awdl.getInterface(identity); intf != nil {
|
||||
return <-intf.toAWDL, nil
|
||||
}
|
||||
return nil, errors.New("AWDLRecvPacket identity not known: " + identity)
|
||||
}
|
||||
|
||||
func (c *Core) AWDLSendPacket(identity string, buf []byte) error {
|
||||
packet := append(util.GetBytes(), buf[:]...)
|
||||
if intf := c.awdl.getInterface(identity); intf != nil {
|
||||
intf.fromAWDL <- packet
|
||||
return nil
|
||||
}
|
||||
return errors.New("AWDLSendPacket identity not known: " + identity)
|
||||
}
|
||||
|
||||
func (c *Core) AWDLConnectionContext() []byte {
|
||||
var context []byte
|
||||
context = append(context, c.boxPub[:]...)
|
||||
context = append(context, c.sigPub[:]...)
|
||||
return context
|
||||
}
|
25
src/yggdrasil/mobile_ios.go
Normal file
25
src/yggdrasil/mobile_ios.go
Normal file
@ -0,0 +1,25 @@
|
||||
// +build mobile,darwin
|
||||
|
||||
package yggdrasil
|
||||
|
||||
/*
|
||||
#cgo CFLAGS: -x objective-c
|
||||
#cgo LDFLAGS: -framework Foundation
|
||||
#import <Foundation/Foundation.h>
|
||||
void Log(const char *text) {
|
||||
NSString *nss = [NSString stringWithUTF8String:text];
|
||||
NSLog(@"%@", nss);
|
||||
}
|
||||
*/
|
||||
import "C"
|
||||
import "unsafe"
|
||||
|
||||
type MobileLogger struct {
|
||||
}
|
||||
|
||||
func (nsl MobileLogger) Write(p []byte) (n int, err error) {
|
||||
p = append(p, 0)
|
||||
cstr := (*C.char)(unsafe.Pointer(&p[0]))
|
||||
C.Log(cstr)
|
||||
return len(p), nil
|
||||
}
|
@ -217,6 +217,7 @@ func (p *peer) handlePacket(packet []byte) {
|
||||
default:
|
||||
util.PutBytes(packet)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// Called to handle traffic or protocolTraffic packets.
|
||||
|
@ -47,11 +47,13 @@ func (tun *tunAdapter) init(core *Core, send chan<- []byte, recv <-chan []byte)
|
||||
// Starts the setup process for the TUN/TAP adapter, and if successful, starts
|
||||
// the read/write goroutines to handle packets on that interface.
|
||||
func (tun *tunAdapter) start(ifname string, iftapmode bool, addr string, mtu int) error {
|
||||
if ifname == "none" {
|
||||
return nil
|
||||
if ifname != "none" {
|
||||
if err := tun.setup(ifname, iftapmode, addr, mtu); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
if err := tun.setup(ifname, iftapmode, addr, mtu); err != nil {
|
||||
return err
|
||||
if ifname == "none" || ifname == "dummy" {
|
||||
return nil
|
||||
}
|
||||
tun.mutex.Lock()
|
||||
tun.isOpen = true
|
||||
|
@ -1,3 +1,5 @@
|
||||
// +build !mobile
|
||||
|
||||
package yggdrasil
|
||||
|
||||
// The darwin platform specific tun parts
|
||||
|
19
src/yggdrasil/tun_dummy.go
Normal file
19
src/yggdrasil/tun_dummy.go
Normal file
@ -0,0 +1,19 @@
|
||||
// +build mobile
|
||||
|
||||
package yggdrasil
|
||||
|
||||
// This is to catch unsupported platforms
|
||||
// If your platform supports tun devices, you could try configuring it manually
|
||||
|
||||
// Creates the TUN/TAP adapter, if supported by the Water library. Note that
|
||||
// no guarantees are made at this point on an unsupported platform.
|
||||
func (tun *tunAdapter) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
||||
tun.mtu = getSupportedMTU(mtu)
|
||||
return tun.setupAddress(addr)
|
||||
}
|
||||
|
||||
// We don't know how to set the IPv6 address on an unknown platform, therefore
|
||||
// write about it to stdout and don't try to do anything further.
|
||||
func (tun *tunAdapter) setupAddress(addr string) error {
|
||||
return nil
|
||||
}
|
@ -1,3 +1,5 @@
|
||||
// +build !mobile
|
||||
|
||||
package yggdrasil
|
||||
|
||||
// The linux platform specific tun parts
|
||||
|
@ -1,4 +1,4 @@
|
||||
// +build !linux,!darwin,!windows,!openbsd,!freebsd,!netbsd
|
||||
// +build !linux,!darwin,!windows,!openbsd,!freebsd,!netbsd,!mobile
|
||||
|
||||
package yggdrasil
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user