add zapret2 as submodule, configure zapret2 crate compiling

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "rust/crates/libnfqws/zapret"]
 	path = rust/crates/libnfqws/zapret
 	url = https://github.com/bol-van/zapret.git
+[submodule "rust/crates/libnfqws2/zapret2"]
+	path = rust/crates/libnfqws2/zapret2
+	url = https://github.com/bol-van/zapret2

rust/Cargo.lock

@@ -385,6 +385,16 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "libnfqws2"
+version = "0.0.1"
+dependencies = [
+ "bindgen",
+ "cc",
+ "glob",
+ "once_cell",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.14"

rust/crates/libnfqws2/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "libnfqws2"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+
+[build-dependencies]
+cc = "1.2.43"
+once_cell = "1.21.3"
+glob = "0.3.3"
+bindgen = "0.72.1"

rust/crates/libnfqws2/build.rs

@@ -0,0 +1,68 @@
+use once_cell::sync::Lazy;
+use std::env;
+use std::path::{Path, PathBuf};
+
+macro_rules! rel_manifest_path {
+    ($name:ident, $path:expr) => {
+        static $name: Lazy<PathBuf> = Lazy::new(|| {
+            let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+            Path::new(&manifest_dir).join($path)
+        });
+    };
+}
+
+rel_manifest_path!(NFQ, "zapret2/nfq2");
+rel_manifest_path!(NFQ_CRYPTO, "zapret2/nfq2/crypto");
+
+fn main() {
+    cc::Build::new()
+        .files(
+            glob::glob(&format!("{}/*.c", NFQ.display()))
+                .unwrap()
+                .filter_map(Result::ok),
+        )
+        .files(
+            glob::glob(&format!("{}/*.c", NFQ_CRYPTO.display()))
+                .unwrap()
+                .filter_map(Result::ok),
+        )
+        .include(&*NFQ)
+        .include(&*NFQ_CRYPTO)
+        .flag("-w")
+        .define("main", "nfqws2_main")
+        .compile("libnfqws2.a");
+
+    println!("cargo:rustc-link-lib=z");
+    println!("cargo:rustc-link-lib=netfilter_queue");
+    println!("cargo:rustc-link-lib=nfnetlink");
+    println!("cargo:rustc-link-lib=mnl");
+
+    let _ = env::var("NETFILTER_LIBS")
+        .map(|libs| println!("cargo:rustc-link-search=native={libs}/lib"));
+
+    println!("cargo:rustc-link-lib=static=nfqws2");
+    println!("cargo:rerun-if-changed={}", NFQ.display());
+    println!("cargo:rerun-if-changed={}", NFQ_CRYPTO.display());
+    println!("cargo:rerun-if-changed=build.rs");
+
+    let mut builder = bindgen::Builder::default();
+
+    for header in glob::glob(&format!("{}/*.h", NFQ.display()))
+        .unwrap()
+        .filter_map(Result::ok)
+    {
+        builder = builder.header(header.to_string_lossy());
+    }
+
+    builder = builder.clang_arg("-Dmain=nfqws2_main");
+
+    let bindings = builder
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
+        .generate()
+        .expect("Unable to generate libnfqws2");
+
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings
+        .write_to_file(out_path.join("libnfqws2.rs"))
+        .expect("Couldn't write libnfqws2");
+}

rust/crates/libnfqws2/src/lib.rs

@@ -0,0 +1,2 @@
+#![allow(warnings)]
+include!(concat!(env!("OUT_DIR"), "/libnfqws2.rs"));