122 lines
2.9 KiB
Go
122 lines
2.9 KiB
Go
package dsnet
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import (
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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"net"
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"time"
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"strings"
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)
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// see https://github.com/WireGuard/wgctrl-go/blob/master/wgtypes/types.go for definitions
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type PeerConfig struct {
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// username of person running this host/router
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Owner string `validate:"required,gte=1,lte=255"`
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// Used to update DNS
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Hostname string `validate:"required,gte=1,lte=255"`
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// Description of what the host is and/or does
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Description string `validate:"required,gte=1,lte=255"`
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PublicKey JSONKey `validate:"required,len=44"`
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PresharedKey JSONKey `validate:"required,len=44"`
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Endpoint net.UDPAddr `validate:"required,udp4_addr"`
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AllowedIPs []net.IPNet `validate:"dive,required,cidr"`
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}
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type Peer struct {
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// username of person running this host/router
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Owner string
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// Used to update DNS
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Hostname string
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// Description of what the host is and/or does
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Description string
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// whether last heartbeat/rxdata was received (50% margin)
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Online bool
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// if no data for x days, consider revoking access
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Expired bool
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PublicKey wgtypes.Key
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PresharedKey wgtypes.Key
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Endpoint *net.UDPAddr
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LastHandshakeTime time.Time
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ReceiveBytes int64
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TransmitBytes int64
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AllowedIPs []net.IPNet
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}
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type DsnetConfig struct {
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PrivateKey JSONKey `validate:"required,len=44"`
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PresharedKey JSONKey `validate:"required,len=44"`
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ListenPort int `validate:"gte=1024,lte=65535"`
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Peers []PeerConfig
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// IP network from which to allocate automatic sequential addresses
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// Network is chosen randomly when not specified
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Network JSONIPNet `validate:"required"`
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// domain to append to hostnames. Relies on separate DNS server for
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// resolution. Informational only.
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Domain string `validate:"required,gte=1,lte=255"`
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// TODO Default subnets to route via VPN
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ReportFile string `validate:"required"`
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}
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type Dsnet struct {
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Name string
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PrivateKey wgtypes.Key
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PublicKey wgtypes.Key
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ListenPort int
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Peers []Peer
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}
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type JSONIPNet struct {
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IPNet net.IPNet
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}
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func (n JSONIPNet) MarshalJSON() ([]byte, error) {
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return []byte("\"" + n.IPNet.String() + "\""), nil
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}
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func (n JSONIPNet) UnmarshalJSON(b []byte) error {
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cidr := strings.Trim(string(b), "\"")
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_, IPNet, err := net.ParseCIDR(cidr)
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n.IPNet = *IPNet
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return err
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}
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func (n *JSONIPNet) String() string {
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return n.IPNet.String()
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}
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type JSONKey struct {
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Key wgtypes.Key
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}
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func (k JSONKey) MarshalJSON() ([]byte, error) {
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return []byte("\"" + k.Key.String() + "\""), nil
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}
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func (k JSONKey) UnmarshalJSON(b []byte) error {
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b64Key := strings.Trim(string(b), "\"")
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key, err := wgtypes.ParseKey(b64Key)
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k.Key = key
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return err
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}
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func GenerateJSONPrivateKey() JSONKey {
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privateKey, err := wgtypes.GeneratePrivateKey()
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check(err)
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return JSONKey{
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Key: privateKey,
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}
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}
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func GenerateJSONKey() JSONKey {
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privateKey, err := wgtypes.GenerateKey()
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check(err)
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return JSONKey{
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Key: privateKey,
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}
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}
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