add windows support (#193)

* add windows support

* build for win

* fix win build

cmd/sshpiperd/cmd_dummy.go

@@ -1,4 +1,4 @@
-//go:build !linux
+//go:build !linux && !windows
 
 package main
 
@@ -6,3 +6,7 @@ import "os/exec"
 
 func setPdeathsig(cmd *exec.Cmd) {
 }
+
+func addProcessToJob(cmd *exec.Cmd) error {
+	return nil
+}

cmd/sshpiperd/cmd_linux.go

@@ -10,3 +10,7 @@ import (
 func setPdeathsig(cmd *exec.Cmd) {
 	cmd.SysProcAttr = &syscall.SysProcAttr{Pdeathsig: syscall.SIGTERM}
 }
+
+func addProcessToJob(cmd *exec.Cmd) error {
+	return nil
+}

cmd/sshpiperd/cmd_windows.go

@@ -0,0 +1,35 @@
+//go:build windows
+
+package main
+
+import (
+	"os/exec"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/tg123/jobobject"
+)
+
+func setPdeathsig(cmd *exec.Cmd) {
+}
+
+func addProcessToJob(cmd *exec.Cmd) error {
+	if jobObject == nil {
+		return nil
+	}
+
+	if cmd.Process == nil {
+		return nil
+	}
+
+	return jobObject.AddProcess(cmd.Process)
+}
+
+var jobObject *jobobject.JobObject
+
+func init() {
+	var err error
+	jobObject, err = jobobject.Create()
+	if err != nil {
+		log.Warnf("failed to create job object: %v", err)
+	}
+}

cmd/sshpiperd/main.go

@@ -62,6 +62,10 @@ func createCmdPlugin(args []string) (*plugin.CmdPlugin, error) {
 		return nil, err
 	}
 
+	if err := addProcessToJob(cmd); err != nil {
+		return nil, err
+	}
+
 	p.Name = exe
 
 	return p, nil