Added version information

Author: lkarlslund

.gitignore

@@ -1 +1,3 @@
-binaries/*
+binaries
+build
+.vscode

build.ps1

@@ -42,7 +42,18 @@ function BuildVariants {
 
 Set-Location $PSScriptRoot
 
+$COMMIT = git rev-parse --short HEAD
+$VERSION = git describe --tags --exclude latest --exclude devbuild
+$DIRTYFILES = git status --porcelain
+$BUILDER = "go"
+
+if ("$DIRTYFILES" -ne "") {
+  $VERSION = "$VERSION-local-changes"
+}
+
+Write-Output "Building $VERSION"
+
+$LDFLAGS = "-X main.Version=$VERSION"
+
 # Release
 BuildVariants -ldflags "$LDFLAGS -s" -prefix ldapnomnom -path . -arch @("386", "amd64", "arm64") -os @("windows", "darwin", "linux")
-
-$env:GOGARBLE="github.com/lkarlslund"

main.go

@@ -44,6 +44,8 @@ const banner = ` __    ____  _____ _____
 |  |__|  |  |     |   __|   | . |     |   | . |     |
 |_____|____/|__|__|__|  |_|_|___|_|_|_|_|_|___|_|_|_|`
 
+var Version string
+
 func main() {
 	server := flag.String("server", "", "Comma separated list of DCs to connect to, use IP or full hostname - will try autodection if not supplied")
 	dnsdomain := flag.String("dnsdomain", "", "Domain to connect to in DNS suffix format - will try autodection if not supplied")
@@ -70,13 +72,19 @@ func main() {
 	maxstrategy := flag.String("maxstrategy", "fastest", "How to select servers if more are found than wanted (fastest, random)")
 	parallel := flag.Int("parallel", 8, "How many connections per server to run in parallel")
 
+	flag.Parse()
+
+	if flag.Arg(0) == "version" {
+		fmt.Printf("LDAP Nom Nom %v\n", Version)
+		os.Exit(0)
+	}
+
 	fmt.Println(banner)
+	fmt.Printf("%v\n", Version)
 	fmt.Println()
 	fmt.Println("IN  SPACE  NO  ONE  CAN  HEAR  YOU  NOM  NOM  USERNAMES")
 	fmt.Println()
 
-	flag.Parse()
-
 	tlsmode, err := TLSmodeString(*tlsmodeString)
 	if err != nil {
 		log.Fatalf("unknown TLS mode %v", tlsmode)

readme.MD

@@ -28,6 +28,12 @@ go install github.com/lkarlslund/ldapnomnom@latest
 ldapnomnom [--server dc1.domain.suffix[,dc2.domain.suffix] | --dnsdomain domain.suffix] [--port number] [--tlsmode notls|tls|starttls] [--input filename] [--output filename] [--parallel number-of-connections] [--maxservers number-of-servers] [--maxstrategy fastest|random] [--throttle n] [--maxrequests n]
 ```
 
+### Show version
+
+```bash
+ldapnomnom version
+```
+
 ### Bruteforcing examples
 
 Connect to up to 32 servers from contoso.local with 16 connections to each - FAAAAAAAST