Merge remote-tracking branch 'yaling888/with-tun' into Alpha

# Conflicts:
#	.github/workflows/codeql-analysis.yml
#	.github/workflows/linter.yml
#	.github/workflows/release.yml
#	Makefile
#	README.md
#	adapter/outbound/vless.go
#	component/geodata/memconservative/cache.go
#	component/geodata/router/condition.go
#	component/geodata/router/condition_geoip.go
#	component/geodata/standard/standard.go
#	component/geodata/utils.go
#	config/config.go
#	config/initial.go
#	constant/metadata.go
#	constant/path.go
#	constant/rule.go
#	constant/rule_extra.go
#	dns/client.go
#	dns/filters.go
#	dns/resolver.go
#	go.mod
#	go.sum
#	hub/executor/executor.go
#	hub/route/configs.go
#	listener/listener.go
#	listener/tproxy/tproxy_linux_iptables.go
#	listener/tun/dev/dev.go
#	listener/tun/dev/dev_darwin.go
#	listener/tun/dev/dev_linux.go
#	listener/tun/dev/dev_windows.go
#	listener/tun/dev/wintun/config.go
#	listener/tun/dev/wintun/dll_windows.go
#	listener/tun/dev/wintun/session_windows.go
#	listener/tun/dev/wintun/wintun_windows.go
#	listener/tun/ipstack/commons/dns.go
#	listener/tun/ipstack/gvisor/tun.go
#	listener/tun/ipstack/gvisor/tundns.go
#	listener/tun/ipstack/gvisor/utils.go
#	listener/tun/ipstack/stack_adapter.go
#	listener/tun/ipstack/system/dns.go
#	listener/tun/ipstack/system/tcp.go
#	listener/tun/ipstack/system/tun.go
#	listener/tun/tun_adapter.go
#	main.go
#	rule/common/base.go
#	rule/common/domain.go
#	rule/common/domain_keyword.go
#	rule/common/domain_suffix.go
#	rule/common/final.go
#	rule/common/geoip.go
#	rule/common/geosite.go
#	rule/common/ipcidr.go
#	rule/common/port.go
#	rule/parser.go
#	rule/process.go
#	test/go.mod
#	test/go.sum
#	transport/vless/xtls.go
#	tunnel/tunnel.go

common/cmd/cmd.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+func ExecCmd(cmdStr string) (string, error) {
+	args := splitArgs(cmdStr)
+
+	var cmd *exec.Cmd
+	if len(args) == 1 {
+		cmd = exec.Command(args[0])
+	} else {
+		cmd = exec.Command(args[0], args[1:]...)
+	}
+
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("%v, %s", err, string(out))
+	}
+	return string(out), nil
+}
+
+func splitArgs(cmd string) []string {
+	args := strings.Split(cmd, " ")
+
+	// use in pipeline
+	if len(args) > 2 && strings.ContainsAny(cmd, "|") {
+		suffix := strings.Join(args[2:], " ")
+		args = append(args[:2], suffix)
+	}
+	return args
+}

common/cmd/cmd_test.go

@@ -0,0 +1,40 @@
+package cmd
+
+import (
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSplitArgs(t *testing.T) {
+	args := splitArgs("ls")
+	args1 := splitArgs("ls -la")
+	args2 := splitArgs("bash -c ls")
+	args3 := splitArgs("bash -c ls -lahF | grep 'cmd'")
+
+	assert.Equal(t, 1, len(args))
+	assert.Equal(t, 2, len(args1))
+	assert.Equal(t, 3, len(args2))
+	assert.Equal(t, 3, len(args3))
+}
+
+func TestExecCmd(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		_, err := ExecCmd("dir")
+		assert.Nil(t, err)
+		return
+	}
+
+	_, err := ExecCmd("ls")
+	_, err1 := ExecCmd("ls -la")
+	_, err2 := ExecCmd("bash -c ls")
+	_, err3 := ExecCmd("bash -c ls -la")
+	_, err4 := ExecCmd("bash -c ls -la | grep 'cmd'")
+
+	assert.Nil(t, err)
+	assert.Nil(t, err1)
+	assert.Nil(t, err2)
+	assert.Nil(t, err3)
+	assert.Nil(t, err4)
+}