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Change to InterfacePeers instead of modifying the tcp:// URI format

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This commit is contained in:
Neil Alexander 2018-09-25 16:55:57 +01:00
parent aecc151baf
commit 1796000b05
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GPG Key ID: A02A2019A2BB0944
4 changed files with 32 additions and 26 deletions
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14
src/yggdrasil/admin.go
View File

@ -112,17 +112,19 @@ func (a *admin) init(c *Core, listenaddr string) {
}
return admin_info{"sessions": sessions}, nil
})
a.addHandler("addPeer", []string{"uri"}, func(in admin_info) (admin_info, error) {
if a.addPeer(in["uri"].(string)) == nil {
a.addHandler("addPeer", []string{"uri", "[interface]"}, func(in admin_info) (admin_info, error) {
if a.addPeer(in["uri"].(string), in["interface"].(string)) == nil {
return admin_info{
"added": []string{
in["uri"].(string),
in["interface"].(string),
},
}, nil
} else {
return admin_info{
"not_added": []string{
in["uri"].(string),
in["interface"].(string),
},
}, errors.New("Failed to add peer")
}
@ -390,16 +392,12 @@ func (a *admin) printInfos(infos []admin_nodeInfo) string {
}
// addPeer triggers a connection attempt to a node.
func (a *admin) addPeer(addr string) error {
func (a *admin) addPeer(addr string, sintf string) error {
u, err := url.Parse(addr)
if err == nil {
switch strings.ToLower(u.Scheme) {
case "tcp":
if len(u.Path) > 1 {
a.core.tcp.connect(u.Host, u.Path[1:])
} else {
a.core.tcp.connect(u.Host, "")
}
a.core.tcp.connect(u.Host, sintf)
case "socks":
a.core.tcp.connectSOCKS(u.Host, u.Path[1:])
default:

27
src/yggdrasil/config/config.go
View File

@ -2,19 +2,20 @@ package config
// NodeConfig defines all configuration values needed to run a signle yggdrasil node
type NodeConfig struct {
Listen string `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
AdminListen string `comment:"Listen address for admin connections Default is to listen for local\nconnections either on TCP/9001 or a UNIX socket depending on your\nplatform. Use this value for yggdrasilctl -endpoint=X."`
Peers []string `comment:"List of connection strings for static peers in URI format, i.e.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j"`
ReadTimeout int32 `comment:"Read timeout for connections, specified in milliseconds. If less than 6000 and not negative, 6000 (the default) is used. If negative, reads won't time out."`
AllowedEncryptionPublicKeys []string `comment:"List of peer encryption public keys to allow or incoming TCP\nconnections from. If left empty/undefined then all connections\nwill be allowed by default."`
EncryptionPublicKey string `comment:"Your public encryption key. Your peers may ask you for this to put\ninto their AllowedEncryptionPublicKeys configuration."`
EncryptionPrivateKey string `comment:"Your private encryption key. DO NOT share this with anyone!"`
SigningPublicKey string `comment:"Your public signing key. You should not ordinarily need to share\nthis with anyone."`
SigningPrivateKey string `comment:"Your private signing key. DO NOT share this with anyone!"`
MulticastInterfaces []string `comment:"Regular expressions for which interfaces multicast peer discovery\nshould be enabled on. If none specified, multicast peer discovery is\ndisabled. The default value is .* which uses all interfaces."`
IfName string `comment:"Local network interface name for TUN/TAP adapter, or \"auto\" to select\nan interface automatically, or \"none\" to run without TUN/TAP."`
IfTAPMode bool `comment:"Set local network interface to TAP mode rather than TUN mode if\nsupported by your platform - option will be ignored if not."`
IfMTU int `comment:"Maximux Transmission Unit (MTU) size for your local TUN/TAP interface.\nDefault is the largest supported size for your platform. The lowest\npossible value is 1280."`
Listen string `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
AdminListen string `comment:"Listen address for admin connections Default is to listen for local\nconnections either on TCP/9001 or a UNIX socket depending on your\nplatform. Use this value for yggdrasilctl -endpoint=X."`
Peers []string `comment:"List of connection strings for static peers in URI format, i.e.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j"`
InterfacePeers map[string][]string `comment:"List of connection strings for static peers in URI format, arranged\nby source interface, i.e. { \"eth0\": [ tcp://a.b.c.d:e ] }"`
ReadTimeout int32 `comment:"Read timeout for connections, specified in milliseconds. If less\nthan 6000 and not negative, 6000 (the default) is used. If negative,\nreads won't time out."`
AllowedEncryptionPublicKeys []string `comment:"List of peer encryption public keys to allow or incoming TCP\nconnections from. If left empty/undefined then all connections\nwill be allowed by default."`
EncryptionPublicKey string `comment:"Your public encryption key. Your peers may ask you for this to put\ninto their AllowedEncryptionPublicKeys configuration."`
EncryptionPrivateKey string `comment:"Your private encryption key. DO NOT share this with anyone!"`
SigningPublicKey string `comment:"Your public signing key. You should not ordinarily need to share\nthis with anyone."`
SigningPrivateKey string `comment:"Your private signing key. DO NOT share this with anyone!"`
MulticastInterfaces []string `comment:"Regular expressions for which interfaces multicast peer discovery\nshould be enabled on. If none specified, multicast peer discovery is\ndisabled. The default value is .* which uses all interfaces."`
IfName string `comment:"Local network interface name for TUN/TAP adapter, or \"auto\" to select\nan interface automatically, or \"none\" to run without TUN/TAP."`
IfTAPMode bool `comment:"Set local network interface to TAP mode rather than TUN mode if\nsupported by your platform - option will be ignored if not."`
IfMTU int `comment:"Maximux Transmission Unit (MTU) size for your local TUN/TAP interface.\nDefault is the largest supported size for your platform. The lowest\npossible value is 1280."`
//Net NetConfig `comment:"Extended options for connecting to peers over other networks."`
}

4
src/yggdrasil/core.go
View File

@ -182,8 +182,8 @@ func (c *Core) SetLogger(log *log.Logger) {
// Adds a peer. This should be specified in the peer URI format, i.e.
// tcp://a.b.c.d:e, udp://a.b.c.d:e, socks://a.b.c.d:e/f.g.h.i:j
func (c *Core) AddPeer(addr string) error {
return c.admin.addPeer(addr)
func (c *Core) AddPeer(addr string, sintf string) error {
return c.admin.addPeer(addr, sintf)
}
// Adds an expression to select multicast interfaces for peer discovery. This

13
yggdrasil.go
View File

@ -60,6 +60,7 @@ func generateConfig(isAutoconf bool) *nodeConfig {
cfg.SigningPublicKey = hex.EncodeToString(spub[:])
cfg.SigningPrivateKey = hex.EncodeToString(spriv[:])
cfg.Peers = []string{}
cfg.InterfacePeers = map[string][]string{}
cfg.AllowedEncryptionPublicKeys = []string{}
cfg.MulticastInterfaces = []string{".*"}
cfg.IfName = defaults.GetDefaults().DefaultIfName
@ -231,14 +232,20 @@ func main() {
// configure them. The loop ensures that disconnected peers will eventually
// be reconnected with.
go func() {
if len(cfg.Peers) == 0 {
if len(cfg.Peers) == 0 && len(cfg.InterfacePeers) == 0 {
return
}
for {
for _, p := range cfg.Peers {
n.core.AddPeer(p)
for _, peer := range cfg.Peers {
n.core.AddPeer(peer, "")
time.Sleep(time.Second)
}
for intf, intfpeers := range cfg.InterfacePeers {
for _, peer := range intfpeers {
n.core.AddPeer(peer, intf)
time.Sleep(time.Second)
}
}
time.Sleep(time.Minute)
}
}()