update
This commit is contained in:
parent
c5eb6a3cfa
commit
eb5c6c4015
12
.gitlab-ci.yml
Normal file
12
.gitlab-ci.yml
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@ -0,0 +1,12 @@
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stages:
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- build
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go_build:
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stage: build
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image: golang:1.12
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script:
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- go mod vendor
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- go test ./...
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cache:
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key: ${CI_COMMIT_REF_SLUG}
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paths:
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- vendor/
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265
config.go
Normal file
265
config.go
Normal file
@ -0,0 +1,265 @@
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package wgquick
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import (
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"bytes"
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"encoding"
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"encoding/base64"
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"fmt"
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"github.com/mdlayher/wireguardctrl/wgtypes"
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"net"
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"strconv"
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"strings"
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"text/template"
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"time"
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)
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type Config struct {
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wgtypes.Config
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// Address list of IP (v4 or v6) addresses (optionally with CIDR masks) to be assigned to the interface. May be specified multiple times.
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Address []*net.IPNet
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// list of IP (v4 or v6) addresses to be set as the interface’s DNS servers. May be specified multiple times. Upon bringing the interface up, this runs ‘resolvconf -a tun.INTERFACE -m 0 -x‘ and upon bringing it down, this runs ‘resolvconf -d tun.INTERFACE‘. If these particular invocations of resolvconf(8) are undesirable, the PostUp and PostDown keys below may be used instead.
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// Currently unsupported
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DNS []net.IP
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// —if not specified, the MTU is automatically determined from the endpoint addresses or the system default route, which is usually a sane choice. However, to manually specify an MTU to override this automatic discovery, this value may be specified explicitly.
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MTU int
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// Table — Controls the routing table to which routes are added.
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Table int
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// PreUp, PostUp, PreDown, PostDown — script snippets which will be executed by bash(1) before/after setting up/tearing down the interface, most commonly used to configure custom DNS options or firewall rules. The special string ‘%i’ is expanded to INTERFACE. Each one may be specified multiple times, in which case the commands are executed in order.
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// Currently unsupported
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PreUp string
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PostUp string
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PreDown string
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PostDown string
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// SaveConfig — if set to ‘true’, the configuration is saved from the current state of the interface upon shutdown.
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// Currently unsupported
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SaveConfig bool
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}
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var _ encoding.TextMarshaler = (*Config)(nil)
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var _ encoding.TextUnmarshaler = (*Config)(nil)
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func (cfg *Config) String() string {
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b, err := cfg.MarshalText()
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if err != nil {
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panic(err)
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}
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return string(b)
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}
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func serializeKey(key *wgtypes.Key) string {
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return base64.StdEncoding.EncodeToString(key[:])
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}
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func toSeconds(duration time.Duration) int {
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return int(duration / time.Second)
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}
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var funcMap = template.FuncMap(map[string]interface{}{
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"wgKey": serializeKey,
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"toSeconds": toSeconds,
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})
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var cfgTemplate = template.Must(
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template.
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New("wg-cfg").
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Funcs(funcMap).
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Parse(wgtypeTemplateSpec))
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func (cfg *Config) MarshalText() (text []byte, err error) {
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buff := &bytes.Buffer{}
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if err := cfgTemplate.Execute(buff, cfg); err != nil {
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return nil, err
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}
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return buff.Bytes(), nil
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}
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const wgtypeTemplateSpec = `[Interface]
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{{- range .Address }}
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Address = {{ . }}
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{{- end }}
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{{- range .DNS }}
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DNS = {{ . }}
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{{- end }}
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PrivateKey = {{ .PrivateKey | wgKey }}
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{{- if .ListenPort }}{{ "\n" }}ListenPort = {{ .ListenPort }}{{ end }}
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{{- if .MTU }}{{ "\n" }}MTU = {{ .MTU }}{{ end }}
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{{- if .Table }}{{ "\n" }}Table = {{ .Table }}{{ end }}
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{{- if .PreUp }}{{ "\n" }}PreUp = {{ .PreUp }}{{ end }}
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{{- if .PostUp }}{{ "\n" }}PostUp = {{ .PostUp }}{{ end }}
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{{- if .PreDown }}{{ "\n" }}PreDown = {{ .PreDown }}{{ end }}
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{{- if .PostDown }}{{ "\n" }}PostDown = {{ .PostDown }}{{ end }}
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{{- if .SaveConfig }}{{ "\n" }}SaveConfig = {{ .SaveConfig }}{{ end }}
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{{- range .Peers }}
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{{- "\n" }}
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[Peer]
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PublicKey = {{ .PublicKey | wgKey }}
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AllowedIPs = {{ range $i, $el := .AllowedIPs }}{{if $i}}, {{ end }}{{ $el }}{{ end }}
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{{- if .PresharedKey }}{{ "\n" }}PresharedKey = {{ .PresharedKey }}{{ end }}
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{{- if .PersistentKeepaliveInterval }}{{ "\n" }}PersistentKeepaliveInterval = {{ .PersistentKeepaliveInterval | toSeconds }}{{ end }}
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{{- if .Endpoint }}{{ "\n" }}Endpoint = {{ .Endpoint }}{{ end }}
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{{- end }}
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`
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// Parses base64 encoded wireguard private key
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func ParseKey(key string) (wgtypes.Key, error) {
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var pkey wgtypes.Key
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pkeySlice, err := base64.StdEncoding.DecodeString(key)
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if err != nil {
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return pkey, err
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}
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copy(pkey[:], pkeySlice[:])
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return pkey, nil
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}
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type parseState int
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const (
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unknown parseState = iota
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inter = iota
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peer = iota
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)
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func (cfg *Config) UnmarshalText(text []byte) error {
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*cfg = Config{} // Zero out the config
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state := unknown
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var peerCfg *wgtypes.PeerConfig
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for no, line := range strings.Split(string(text), "\n") {
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ln := strings.TrimSpace(line)
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if len(ln) == 0 || ln[0] == '#' {
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continue
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}
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switch ln {
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case "[Interface]":
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state = inter
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case "[Peer]":
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state = peer
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cfg.Peers = append(cfg.Peers, wgtypes.PeerConfig{})
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peerCfg = &cfg.Peers[len(cfg.Peers) - 1]
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default:
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parts := strings.Split(ln, "=")
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if len(parts) < 2 {
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return fmt.Errorf("cannot parse line %d, missing =", no)
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}
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lhs := strings.TrimSpace(parts[0])
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rhs := strings.TrimSpace(strings.Join(parts[1:], "="))
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switch state {
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case inter:
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if err := parseInterfaceLine(cfg, lhs, rhs); err != nil {
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return fmt.Errorf("[line %d]: %v", no, err)
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}
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case peer:
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if err := parsePeerLine(peerCfg, lhs, rhs); err != nil {
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return fmt.Errorf("[line %d]: %v", no, err)
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}
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default:
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return fmt.Errorf("cannot parse line %d, unknown state", no)
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}
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}
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}
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return nil
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}
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func parseInterfaceLine(cfg *Config, lhs string, rhs string) error {
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switch lhs {
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case "Address":
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for _, addr := range strings.Split(rhs, ",") {
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ip, cidr, err := net.ParseCIDR(strings.TrimSpace(addr))
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if err != nil {
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return fmt.Errorf("%v", err)
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}
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cfg.Address = append(cfg.Address, &net.IPNet{IP:ip, Mask:cidr.Mask})
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}
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case "DNS":
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for _, addr := range strings.Split(rhs, ",") {
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ip:= net.ParseIP(strings.TrimSpace(addr))
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if ip == nil {
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return fmt.Errorf("cannot parse IP")
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}
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cfg.DNS = append(cfg.DNS, ip)
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}
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case "MTU":
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mtu, err := strconv.ParseInt(rhs, 10, 64)
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if err != nil {
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return err
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}
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cfg.MTU = int(mtu)
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case "Table":
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tbl, err := strconv.ParseInt(rhs, 10, 64)
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if err != nil {
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return err
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}
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cfg.Table = int(tbl)
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case "ListenPort":
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portI64, err := strconv.ParseInt(rhs, 10, 64)
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if err != nil {
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return err
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}
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port := int(portI64)
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cfg.ListenPort = &port
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case "PreUp":
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cfg.PreUp = rhs
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case "PostUp":
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cfg.PostUp = rhs
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case "PreDown":
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cfg.PreDown = rhs
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case "PostDown":
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cfg.PostDown = rhs
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case "SaveConfig":
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save, err := strconv.ParseBool(rhs)
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if err != nil {
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return err
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}
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cfg.SaveConfig = save
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case "PrivateKey":
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key, err := ParseKey(rhs)
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if err != nil {
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return fmt.Errorf("cannot decode key %v", err)
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}
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cfg.PrivateKey = &key
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default:
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return fmt.Errorf("unknown directive %s", lhs)
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}
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return nil
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}
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func parsePeerLine(peerCfg *wgtypes.PeerConfig, lhs string, rhs string) error {
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switch lhs {
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case "PublicKey":
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key, err := ParseKey(rhs)
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if err != nil {
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return fmt.Errorf("cannot decode key %v", err)
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}
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peerCfg.PublicKey = key
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case "PresharedKey":
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key, err := ParseKey(rhs)
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if err != nil {
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return fmt.Errorf("cannot decode key %v", err)
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}
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if peerCfg.PresharedKey != nil {
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return fmt.Errorf("preshared key already defined %v", err)
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}
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peerCfg.PresharedKey = &key
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case "AllowedIPs":
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for _, addr := range strings.Split(rhs, ",") {
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ip, cidr, err := net.ParseCIDR(strings.TrimSpace(addr))
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if err != nil {
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return fmt.Errorf("%v", err)
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}
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peerCfg.AllowedIPs = append(peerCfg.AllowedIPs, net.IPNet{IP:ip, Mask:cidr.Mask})
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}
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case "Endpoint":
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addr, err := net.ResolveUDPAddr("", rhs)
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if err != nil {
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return err
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}
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peerCfg.Endpoint = addr
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default:
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return fmt.Errorf("unknown directive %s", lhs)
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}
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return nil
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}
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65
config_test.go
Normal file
65
config_test.go
Normal file
@ -0,0 +1,65 @@
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package wgquick
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import (
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"github.com/stretchr/testify/assert"
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"testing"
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)
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var testConfigs = map[string]string{
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"simple": `[Interface]
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Address = 10.200.100.8/24
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DNS = 10.200.100.1
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PrivateKey = oK56DE9Ue9zK76rAc8pBl6opph+1v36lm7cXXsQKrQM=
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[Peer]
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PublicKey = GtL7fZc/bLnqZldpVofMCD6hDjrK28SsdLxevJ+qtKU=
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AllowedIPs = 0.0.0.0/0
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||||
PresharedKey = /UwcSPg38hW/D9Y3tcS1FOV0K1wuURMbS0sesJEP5ak=
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Endpoint = 123.12.12.1:51820
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`,
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"sample-2": `[Interface]
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Address = 10.192.122.1/24
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Address = 10.10.0.1/16
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PrivateKey = yAnz5TF+lXXJte14tji3zlMNq+hd2rYUIgJBgB3fBmk=
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ListenPort = 51820
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SaveConfig = true
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[Peer]
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PublicKey = xTIBA5rboUvnH4htodjb6e697QjLERt1NAB4mZqp8Dg=
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AllowedIPs = 10.192.122.3/32, 10.192.124.1/24
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||||
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||||
[Peer]
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PublicKey = TrMvSoP4jYQlY6RIzBgbssQqY3vxI2Pi+y71lOWWXX0=
|
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AllowedIPs = 10.192.122.4/32, 192.168.0.0/16
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||||
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||||
[Peer]
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PublicKey = gN65BkIKy1eCE9pP1wdc8ROUtkHLF2PfAqYdyYBz6EA=
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AllowedIPs = 10.10.10.230/32
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||||
`,
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"sample-3":`[Interface]
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Address = 10.192.122.1/24
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PrivateKey = yAnz5TF+lXXJte14tji3zlMNq+hd2rYUIgJBgB3fBmk=
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ListenPort = 51820
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Table = 1234
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PostUp = ip rule add ipproto tcp dport 22 table 1234
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PreDown = ip rule delete ipproto tcp dport 22 table 1234
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[Peer]
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PublicKey = xTIBA5rboUvnH4htodjb6e697QjLERt1NAB4mZqp8Dg=
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AllowedIPs = 0.0.0.0/0
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`,
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||||
}
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|
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func TestExampleConfig(t *testing.T) {
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c := &Config{}
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for name, cfg := range testConfigs {
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t.Run(name, func(t *testing.T) {
|
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err := c.UnmarshalText([]byte(cfg))
|
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assert.NoError(t, err)
|
||||
tt, err := c.MarshalText()
|
||||
assert.NoError(t, err)
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t.Logf("Got after remarshaling:\n%s", tt)
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assert.Equal(t, cfg, string(tt))
|
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})
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}
|
||||
}
|
18
go.mod
18
go.mod
@ -3,27 +3,9 @@ module github.com/nmiculinic/wg-quick-go
|
||||
go 1.12
|
||||
|
||||
require (
|
||||
github.com/KrakenSystems/wg-operator v0.0.0-20190326122344-c32b2bf8f73a
|
||||
github.com/emicklei/go-restful v2.9.1+incompatible // indirect
|
||||
github.com/go-openapi/spec v0.19.0 // indirect
|
||||
github.com/gogo/protobuf v1.2.1 // indirect
|
||||
github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
|
||||
github.com/json-iterator/go v1.1.6 // indirect
|
||||
github.com/mdlayher/wireguardctrl v0.0.0-20190325182839-fcf15c501b90
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
|
||||
github.com/modern-go/reflect2 v1.0.1 // indirect
|
||||
github.com/onsi/ginkgo v1.8.0 // indirect
|
||||
github.com/onsi/gomega v1.5.0 // indirect
|
||||
github.com/sirupsen/logrus v1.4.0
|
||||
github.com/spf13/pflag v1.0.3 // indirect
|
||||
github.com/stretchr/testify v1.3.0
|
||||
github.com/vishvananda/netlink v1.0.0
|
||||
github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc // indirect
|
||||
gopkg.in/inf.v0 v0.9.1 // indirect
|
||||
k8s.io/api v0.0.0-20190313115550-3c12c96769cc // indirect
|
||||
k8s.io/apimachinery v0.0.0-20190323104403-03ac7a9ade42
|
||||
k8s.io/klog v0.2.0 // indirect
|
||||
k8s.io/kube-openapi v0.0.0-20190320154901-5e45bb682580 // indirect
|
||||
sigs.k8s.io/controller-runtime v0.1.10 // indirect
|
||||
sigs.k8s.io/yaml v1.1.0 // indirect
|
||||
)
|
||||
|
72
go.sum
72
go.sum
@ -1,42 +1,11 @@
|
||||
github.com/KrakenSystems/wg-operator v0.0.0-20190326122344-c32b2bf8f73a h1:FUwaIyTLYJ2rJbH7/VrcDT673oW495PQ/5yhcnOY0Hs=
|
||||
github.com/KrakenSystems/wg-operator v0.0.0-20190326122344-c32b2bf8f73a/go.mod h1:KbgWSIZ/HfS5PPTlVYMtcfPDaf6psweYj50kjvyRPiw=
|
||||
github.com/PuerkitoBio/purell v1.1.0 h1:rmGxhojJlM0tuKtfdvliR84CFHljx9ag64t2xmVkjK4=
|
||||
github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
|
||||
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
|
||||
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
|
||||
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/emicklei/go-restful v2.9.1+incompatible h1:TOKUBeOLGz/xFJ6a9bO8++X6xPN9HZR3LGv2RqnE6xM=
|
||||
github.com/emicklei/go-restful v2.9.1+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
|
||||
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
|
||||
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
|
||||
github.com/go-openapi/jsonpointer v0.17.0 h1:nH6xp8XdXHx8dqveo0ZuJBluCO2qGrPbDNZ0dwoRHP0=
|
||||
github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
|
||||
github.com/go-openapi/jsonreference v0.17.0 h1:yJW3HCkTHg7NOA+gZ83IPHzUSnUzGXhGmsdiCcMexbA=
|
||||
github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
|
||||
github.com/go-openapi/spec v0.19.0 h1:A4SZ6IWh3lnjH0rG0Z5lkxazMGBECtrZcbyYQi+64k4=
|
||||
github.com/go-openapi/spec v0.19.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI=
|
||||
github.com/go-openapi/swag v0.17.0 h1:iqrgMg7Q7SvtbWLlltPrkMs0UBJI6oTSs79JFRUi880=
|
||||
github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg=
|
||||
github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
|
||||
github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
|
||||
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
|
||||
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
|
||||
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
|
||||
github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf h1:+RRA9JqSOZFfKrOeqr2z77+8R2RKyh8PG66dcu1V0ck=
|
||||
github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf/go.mod h1:HP5RmnzzSNb993RKQDq4+1A4ia9nllfqcQFTQJedwGI=
|
||||
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
|
||||
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
|
||||
github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
|
||||
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
|
||||
github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
|
||||
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
|
||||
github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329 h1:2gxZ0XQIU/5z3Z3bUBu+FXuk2pFbkN6tcwi/pjyaDic=
|
||||
github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
|
||||
github.com/mdlayher/genetlink v0.0.0-20190313224034-60417448a851 h1:QYJTEbSDJvDBQenHYMxoiBQPgZ4QUcm75vACe3dkW7o=
|
||||
github.com/mdlayher/genetlink v0.0.0-20190313224034-60417448a851/go.mod h1:EsbsAEUEs15qC1cosAwxgCWV0Qhd8TmkxnA9Kw1Vhl4=
|
||||
github.com/mdlayher/netlink v0.0.0-20190313131330-258ea9dff42c h1:qYXI+3AN4zBWsTF5drEu1akWPu2juaXPs58tZ4/GaCg=
|
||||
@ -45,21 +14,10 @@ github.com/mdlayher/wireguardctrl v0.0.0-20190325182839-fcf15c501b90 h1:OgbuxwTP
|
||||
github.com/mdlayher/wireguardctrl v0.0.0-20190325182839-fcf15c501b90/go.mod h1:BdyuvE2RP0RjONNIBHLdaVM7iarlHbioRUbsVXeOAJM=
|
||||
github.com/mikioh/ipaddr v0.0.0-20190227002745-725a6cbe920e h1:Pa/tBadWnc5p6P32+GcWt20TvPB9dqlDbBn81oWptqE=
|
||||
github.com/mikioh/ipaddr v0.0.0-20190227002745-725a6cbe920e/go.mod h1:Ickgr2WtCLZ2MDGd4Gr0geeCH5HybhRJbonOgQpvSxc=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
|
||||
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
|
||||
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
|
||||
github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w=
|
||||
github.com/onsi/ginkgo v1.8.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
|
||||
github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo=
|
||||
github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/sirupsen/logrus v1.4.0 h1:yKenngtzGh+cUSSh6GWbxW2abRqhYUSR/t/6+2QqNvE=
|
||||
github.com/sirupsen/logrus v1.4.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
|
||||
github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
|
||||
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
@ -73,40 +31,12 @@ golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnf
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a h1:YX8ljsm6wXlHZO+aRz9Exqr0evNhKRNe5K/gi+zKh4U=
|
||||
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190313220215-9f648a60d977 h1:actzWV6iWn3GLqN8dZjzsB+CLt+gaV2+wsxroxiQI8I=
|
||||
golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
|
||||
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190312061237-fead79001313 h1:pczuHS43Cp2ktBEEmLwScxgjWsBSzdaQiKzUyf3DTTc=
|
||||
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
|
||||
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
|
||||
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
|
||||
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
|
||||
gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
|
||||
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
k8s.io/api v0.0.0-20190313115550-3c12c96769cc h1:m/JS6kQd00rICnXLWlnJzMFQB4AplcURUopS8dKiWmI=
|
||||
k8s.io/api v0.0.0-20190313115550-3c12c96769cc/go.mod h1:iuAfoD4hCxJ8Onx9kaTIt30j7jUFS00AXQi6QMi99vA=
|
||||
k8s.io/apimachinery v0.0.0-20190323104403-03ac7a9ade42 h1:g8bMHs6e/f1W6z/yNaUsOCvFCaaDLNlEbtVcnIIrkhA=
|
||||
k8s.io/apimachinery v0.0.0-20190323104403-03ac7a9ade42/go.mod h1:ccL7Eh7zubPUSh9A3USN90/OzHNSVN6zxzde07TDCL0=
|
||||
k8s.io/klog v0.2.0 h1:0ElL0OHzF3N+OhoJTL0uca20SxtYt4X4+bzHeqrB83c=
|
||||
k8s.io/klog v0.2.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
|
||||
k8s.io/kube-openapi v0.0.0-20190320154901-5e45bb682580 h1:fq0ZXW/BAIFZH+dazlups6JTVdwzRo5d9riFA103yuQ=
|
||||
k8s.io/kube-openapi v0.0.0-20190320154901-5e45bb682580/go.mod h1:BXM9ceUBTj2QnfH2MK1odQs778ajze1RxcmP6S8RVVc=
|
||||
sigs.k8s.io/controller-runtime v0.1.10 h1:amLOmcekVdnsD1uIpmgRqfTbQWJ2qxvQkcdeFhcotn4=
|
||||
sigs.k8s.io/controller-runtime v0.1.10/go.mod h1:HFAYoOh6XMV+jKF1UjFwrknPbowfyHEHHRdJMf2jMX8=
|
||||
sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
|
||||
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
|
||||
|
100
wg.go
100
wg.go
@ -1,107 +1,13 @@
|
||||
package wgctl
|
||||
package wgquick
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/base64"
|
||||
"net"
|
||||
"syscall"
|
||||
"text/template"
|
||||
|
||||
"github.com/mdlayher/wireguardctrl"
|
||||
"github.com/mdlayher/wireguardctrl/wgtypes"
|
||||
"github.com/sirupsen/logrus"
|
||||
"github.com/vishvananda/netlink"
|
||||
"net"
|
||||
"syscall"
|
||||
)
|
||||
|
||||
type Config struct {
|
||||
wgtypes.Config
|
||||
|
||||
// Address list of IP (v4 or v6) addresses (optionally with CIDR masks) to be assigned to the interface. May be specified multiple times.
|
||||
Address []*net.IPNet
|
||||
|
||||
// list of IP (v4 or v6) addresses to be set as the interface’s DNS servers. May be specified multiple times. Upon bringing the interface up, this runs ‘resolvconf -a tun.INTERFACE -m 0 -x‘ and upon bringing it down, this runs ‘resolvconf -d tun.INTERFACE‘. If these particular invocations of resolvconf(8) are undesirable, the PostUp and PostDown keys below may be used instead.
|
||||
// Currently unsupported
|
||||
DNS []net.IP
|
||||
// —if not specified, the MTU is automatically determined from the endpoint addresses or the system default route, which is usually a sane choice. However, to manually specify an MTU to override this automatic discovery, this value may be specified explicitly.
|
||||
MTU int
|
||||
|
||||
// Table — Controls the routing table to which routes are added.
|
||||
Table int
|
||||
|
||||
// PreUp, PostUp, PreDown, PostDown — script snippets which will be executed by bash(1) before/after setting up/tearing down the interface, most commonly used to configure custom DNS options or firewall rules. The special string ‘%i’ is expanded to INTERFACE. Each one may be specified multiple times, in which case the commands are executed in order.
|
||||
|
||||
// Currently unsupported
|
||||
PreUp string
|
||||
PostUp string
|
||||
PreDown string
|
||||
PostDown string
|
||||
|
||||
// SaveConfig — if set to ‘true’, the configuration is saved from the current state of the interface upon shutdown.
|
||||
// Currently unsupported
|
||||
SaveConfig bool
|
||||
}
|
||||
|
||||
func (cfg *Config) String() string {
|
||||
b, err := cfg.MarshalText()
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return string(b)
|
||||
}
|
||||
|
||||
var cfgTemplate = template.Must(
|
||||
template.
|
||||
New("wg-cfg").
|
||||
Funcs(template.FuncMap(map[string]interface{}{"wgKey": serializeKey})).
|
||||
Parse(wgtypeTemplateSpec))
|
||||
|
||||
func (cfg *Config) MarshalText() (text []byte, err error) {
|
||||
buff := &bytes.Buffer{}
|
||||
if err := cfgTemplate.Execute(buff, cfg); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return buff.Bytes(), nil
|
||||
}
|
||||
|
||||
const wgtypeTemplateSpec = `[Interface]
|
||||
{{- range .Address }}
|
||||
Address = {{ . }}
|
||||
{{- end }}
|
||||
{{- range .DNS }}
|
||||
DNS = {{ . }}
|
||||
{{- end }}
|
||||
PrivateKey = {{ .PrivateKey | wgKey }}
|
||||
{{- if .ListenPort }}{{ "\n" }}ListenPort = {{ .ListenPort }}{{ end }}
|
||||
{{- if .MTU }}{{ "\n" }}MTU = {{ .MTU }}{{ end }}
|
||||
{{- if .Table }}{{ "\n" }}Table = {{ .Table }}{{ end }}
|
||||
{{- if .PreUp }}{{ "\n" }}PreUp = {{ .PreUp }}{{ end }}
|
||||
{{- if .PostUp }}{{ "\n" }}Table = {{ .Table }}{{ end }}
|
||||
{{- if .PreDown }}{{ "\n" }}PreDown = {{ .PreDown }}{{ end }}
|
||||
{{- if .PostDown }}{{ "\n" }}PostDown = {{ .PostDown }}{{ end }}
|
||||
{{- if .SaveConfig }}{{ "\n" }}SaveConfig = {{ .SaveConfig }}{{ end }}
|
||||
{{- range .Peers }}
|
||||
{{- "\n" }}
|
||||
[Peer]
|
||||
PublicKey = {{ .PublicKey | wgKey }}
|
||||
AllowedIps = {{ range $i, $el := .AllowedIPs }}{{if $i}}, {{ end }}{{ $el }}{{ end }}
|
||||
{{- if .Endpoint }}{{ "\n" }}Endpoint = {{ .Endpoint }}{{ end }}
|
||||
{{- end }}
|
||||
`
|
||||
|
||||
func serializeKey(key *wgtypes.Key) string {
|
||||
return base64.StdEncoding.EncodeToString(key[:])
|
||||
}
|
||||
|
||||
// Parses base64 encoded key
|
||||
func ParseKey(key string) (wgtypes.Key, error) {
|
||||
var pkey wgtypes.Key
|
||||
pkeySlice, err := base64.StdEncoding.DecodeString(key)
|
||||
if err != nil {
|
||||
return pkey, err
|
||||
}
|
||||
copy(pkey[:], pkeySlice[:])
|
||||
return pkey, nil
|
||||
}
|
||||
|
||||
// Sync the config to the current setup for given interface
|
||||
func (cfg *Config) Sync(iface string, logger logrus.FieldLogger) error {
|
||||
|
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Reference in New Issue
Block a user