path: root/index.go
diff options
authorJason A. Donenfeld <Jason@zx2c4.com>2021-01-11 16:28:12 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2021-01-13 16:33:40 +0100
commit675955de5d0a1bad66cd7e99671b031fbce8f589 (patch)
tree17c44fc557f462b55e745b3257b9db404cff0471 /index.go
parentdevice: receive: do not exit immediately on transient UDP receive errors (diff)
tun: add tcpip stack tunnel abstractionHEADmaster
This allows people to initiate connections over WireGuard without any underlying operating system support. I'm not crazy about the trash it adds to go.sum, but the code this actually adds to the binaries seems contained to the gvisor repo. For the TCP/IP implementation, it uses gvisor. And it borrows some internals from the Go standard library's resolver in order to bring Dial and DialContext to tun_net, along with the LookupHost helper function. This allows for things like HTTP2-over-TLS to work quite well: package main import ( "io" "log" "net" "net/http" "golang.zx2c4.com/wireguard/device" "golang.zx2c4.com/wireguard/tun" ) func main() { tun, tnet, err := tun.CreateNetTUN([]net.IP{net.ParseIP("")}, []net.IP{net.ParseIP(""), net.ParseIP("")}, 1420) if err != nil { log.Panic(err) } dev := device.NewDevice(tun, &device.Logger{log.Default(), log.Default(), log.Default()}) dev.IpcSet(`private_key=a8dac1d8a70a751f0f699fb14ba1cff7b79cf4fbd8f09f44c6e6a90d0369604f public_key=25123c5dcd3328ff645e4f2a3fce0d754400d3887a0cb7c56f0267e20fbf3c5b endpoint= allowed_ip= `) dev.Up() client := http.Client{ Transport: &http.Transport{ DialContext: tnet.DialContext, }, } resp, err := client.Get("https://www.zx2c4.com/ip") if err != nil { log.Panic(err) } body, err := io.ReadAll(resp.Body) if err != nil { log.Panic(err) } log.Println(string(body)) } Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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