bootv2: bootstrap, vpn

ssh.go

@@ -16,7 +16,7 @@ import (
 	"github.com/kr/pty"
 	"golang.org/x/crypto/ssh"
 
-	"novit.nc/direktil/initrd/config"
+	config "novit.tech/direktil/pkg/bootstrapconfig"
 )
 
 func startSSH(cfg *config.Config) {
@@ -118,7 +118,7 @@ func sshHandleChannel(remoteAddr string, channel ssh.Channel, requests <-chan *s
 	}()
 
 	var once sync.Once
-	close := func() {
+	closeCh := func() {
 		channel.Close()
 	}
 
@@ -130,11 +130,27 @@ func sshHandleChannel(remoteAddr string, channel ssh.Channel, requests <-chan *s
 			case "init":
 				go func() {
 					io.Copy(channel, stdout.NewReader())
-					once.Do(close)
+					once.Do(closeCh)
 				}()
 				go func() {
 					io.Copy(stdinPipe, channel)
-					once.Do(close)
+					once.Do(closeCh)
+				}()
+
+				req.Reply(true, nil)
+
+			case "bootstrap":
+				// extract a new bootstrap package
+				os.MkdirAll("/bootstrap/current", 0750)
+
+				cmd := exec.Command("/bin/tar", "xv", "-C", "/bootstrap/current")
+				cmd.Stdin = channel
+				cmd.Stdout = channel
+				cmd.Stderr = channel.Stderr()
+
+				go func() {
+					cmd.Run()
+					closeCh()
 				}()
 
 				req.Reply(true, nil)
@@ -167,11 +183,11 @@ func sshHandleChannel(remoteAddr string, channel ssh.Channel, requests <-chan *s
 
 			go func() {
 				io.Copy(channel, ptyF)
-				once.Do(close)
+				once.Do(closeCh)
 			}()
 			go func() {
 				io.Copy(ptyF, channel)
-				once.Do(close)
+				once.Do(closeCh)
 			}()
 
 			req.Reply(true, nil)