feat(config): Auto-upgrade Windows config.toml from v1 to v2 (#1726)

* add: README.md

* add: commands(discover,add-server,add-cpe)

* add: implements(discover,add-server,add-cpe)

* fix: changed os.Exit(1) in main.go to return an error

* fix: lint error

* delete: trivy-to-vuls stdIn

* fix: Incomprehesible error logs

* fix: according to review

* add: function converts old config to latest one

* delete: add-server

* fix: lint error

* fix

* fix: remote scan error in Windows

* fix: lint error

* fix

* fix: lint error

* fix: lint error

* add: scanner/scanner.go test normalizeHomeDirForWindows()

* fix

* fix

* fix

* fix: remove pointless assignment

* fix

---------

Co-authored-by: 和田皓翔 <wadahiroka@192.168.0.4>
Co-authored-by: 和田皓翔 <wadahiroka@192.168.0.10>
Co-authored-by: 和田皓翔 <wadahiroka@192.168.0.6>

scanner/scanner.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"os"
 	ex "os/exec"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"time"
@@ -35,6 +36,8 @@ var (
 
 var servers, errServers []osTypeInterface
 
+var userDirectoryPath = ""
+
 // Base Interface
 type osTypeInterface interface {
 	setServerInfo(config.ServerInfo)
@@ -565,6 +568,13 @@ func parseSSHConfiguration(stdout string) sshConfiguration {
 			sshConfig.globalKnownHosts = strings.Split(strings.TrimPrefix(line, "globalknownhostsfile "), " ")
 		case strings.HasPrefix(line, "userknownhostsfile "):
 			sshConfig.userKnownHosts = strings.Split(strings.TrimPrefix(line, "userknownhostsfile "), " ")
+			if runtime.GOOS == constant.Windows {
+				for i, userKnownHost := range sshConfig.userKnownHosts {
+					if strings.HasPrefix(userKnownHost, "~") {
+						sshConfig.userKnownHosts[i] = normalizeHomeDirPathForWindows(userKnownHost)
+					}
+				}
+			}
 		case strings.HasPrefix(line, "proxycommand "):
 			sshConfig.proxyCommand = strings.TrimPrefix(line, "proxycommand ")
 		case strings.HasPrefix(line, "proxyjump "):
@@ -574,6 +584,11 @@ func parseSSHConfiguration(stdout string) sshConfiguration {
 	return sshConfig
 }
 
+func normalizeHomeDirPathForWindows(userKnownHost string) string {
+	userKnownHostPath := filepath.Join(os.Getenv("userprofile"), strings.TrimPrefix(userKnownHost, "~"))
+	return strings.ReplaceAll(userKnownHostPath, "/", "\\")
+}
+
 func parseSSHScan(stdout string) map[string]string {
 	keys := map[string]string{}
 	for _, line := range strings.Split(stdout, "\n") {

scanner/scanner_test.go

@@ -2,6 +2,7 @@ package scanner
 
 import (
 	"net/http"
+	"os"
 	"reflect"
 	"testing"
 
@@ -371,6 +372,30 @@ func TestParseSSHScan(t *testing.T) {
 	}
 }
 
+func TestNormalizedForWindows(t *testing.T) {
+	type expected struct {
+		path string
+	}
+	tests := []struct {
+		in       string
+		expected expected
+	}{
+		{
+			in: "~/.ssh/known_hosts",
+			expected: expected{
+				path: "C:\\Users\\test-user\\.ssh\\known_hosts",
+			},
+		},
+	}
+	for _, tt := range tests {
+		os.Setenv("userprofile", `C:\Users\test-user`)
+		path := normalizeHomeDirPathForWindows(tt.in)
+		if path != tt.expected.path {
+			t.Errorf("expected path %s, actual %s", tt.expected.path, path)
+		}
+	}
+}
+
 func TestParseSSHKeygen(t *testing.T) {
 	type expected struct {
 		keyType string