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Allow multiple peers, tunnels, and proxies

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Jordan Webb 2022-08-20 18:21:10 -05:00 • committed by Jordan Webb
parent e686381fa9
commit aef9da0bdf
4 changed files with 110 additions and 52 deletions
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39
wireguard.go
View file

@ -1,12 +1,15 @@
package wireproxy
import (
"bytes"
"fmt"
"net/netip"
"github.com/MakeNowJust/heredoc/v2"
"golang.zx2c4.com/wireguard/conn"
"golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/tun/netstack"
"net/netip"
)
// DeviceSetting contains the parameters for setting up a tun interface
@ -19,15 +22,33 @@ type DeviceSetting struct {
// serialize the config into an IPC request and DeviceSetting
func createIPCRequest(conf *DeviceConfig) (*DeviceSetting, error) {
request := fmt.Sprintf(`private_key=%s
public_key=%s
endpoint=%s
persistent_keepalive_interval=%d
preshared_key=%s
allowed_ip=0.0.0.0/0
allowed_ip=::0/0`, conf.SelfSecretKey, conf.PeerPublicKey, conf.PeerEndpoint, conf.KeepAlive, conf.PreSharedKey)
var request bytes.Buffer
setting := &DeviceSetting{ipcRequest: request, dns: conf.DNS, deviceAddr: conf.SelfEndpoint, mtu: conf.MTU}
request.WriteString(fmt.Sprintf("private_key=%s\n", conf.SecretKey))
for _, peer := range conf.Peers {
request.WriteString(fmt.Sprintf(heredoc.Doc(`
public_key=%s
endpoint=%s
persistent_keepalive_interval=%d
preshared_key=%s
`),
peer.PublicKey, peer.Endpoint, peer.KeepAlive, peer.PreSharedKey,
))
if len(peer.AllowedIPs) > 0 {
for _, ip := range peer.AllowedIPs {
request.WriteString(fmt.Sprintf("allowed_ip=%s\n", ip.String()))
}
} else {
request.WriteString(heredoc.Doc(`
allowed_ip=0.0.0.0/0
allowed_ip=::0/0
`))
}
}
setting := &DeviceSetting{ipcRequest: request.String(), dns: conf.DNS, deviceAddr: conf.Endpoint, mtu: conf.MTU}
return setting, nil
}