Some adaption and alligned to the source code from dndx

.github/workflows/docker.yml

@@ -11,18 +11,18 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
         with:
           platforms: linux/amd64
 
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Build Docker Image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/Dockerfile

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
           - mipsel-unknown-linux-musl
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable

.github/workflows/rust.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1
       with:
         toolchain: stable

Cargo.toml

@@ -1,5 +1,7 @@
 [workspace]
 
+resolver = "2"
+
 members = [
     "fake-tcp",
     "phantun",

fake-tcp/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fake-tcp"
-version = "0.5.0"
+version = "0.5.5"
 edition = "2021"
 authors = ["Datong Sun <dndx@idndx.com>"]
 license = "MIT OR Apache-2.0"
@@ -16,10 +16,10 @@ benchmark = []
 
 [dependencies]
 bytes = "1.4.0"
-pnet = "0.33.0"
+pnet = "0.34.0"
 tokio = { version = "1.28.0", features = ["full"] }
 rand = { version = "0.8.5", features = ["small_rng"] }
 log = "0.4.17"
 internet-checksum = "0.2.1"
-tokio-tun = "0.7"
+tokio-tun = "0.9.1"
-flume = "0.10.14"
+flume ="0.11.0"

fake-tcp/src/lib.rs

@@ -146,7 +146,7 @@ impl Socket {
         )
     }
 
-    fn build_tcp_packet(&self, flags: u16, payload: Option<&[u8]>) -> Bytes {
+    fn build_tcp_packet(&self, flags: u8, payload: Option<&[u8]>) -> Bytes {
         let ack = self.ack.load(Ordering::Relaxed);
         self.last_ack.store(ack, Ordering::Relaxed);
 

fake-tcp/src/packet.rs

@@ -36,7 +36,7 @@ pub fn build_tcp_packet(
     remote_addr: SocketAddr,
     seq: u32,
     ack: u32,
-    flags: u16,
+    flags: u8,
     payload: Option<&[u8]>,
 ) -> Bytes {
     let ip_header_len = match local_addr {

phantun/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "phantun"
-version = "0.6.0"
+version = "0.6.5"
 edition = "2021"
 authors = ["Datong Sun <dndx@idndx.com>"]
 license = "MIT OR Apache-2.0"
@@ -13,13 +13,13 @@ Layer 3 & Layer 4 (NAPT) firewalls/NATs.
 [dependencies]
 clap = { version = "4.2.5", features = ["cargo"] }
 socket2 = { version = "0.5.2", features = ["all"] }
-fake-tcp = { path = "../fake-tcp", version = "0.5" }
+fake-tcp = { path = "../fake-tcp", version = "0.5.5" }
 tokio = { version = "1.28.0", features = ["full"] }
 tokio-util = "0.7.8"
 log = "0.4.17"
 env_logger = "0.10.0"
-chrono = "0.4.24"
+chrono = "0.4.24" 
-tokio-tun = "0.7"
+tokio-tun = "0.9.1"
 num_cpus = "1.15.0"
 neli = "0.6.4"
-nix = "0.26.2"
+nix = { version = "0.27.1", features = ["net"] }

phantun/src/bin/client.rs

@@ -96,7 +96,7 @@ async fn main() -> io::Result<()> {
                 .required(false)
                 .help("Only use IPv4 address when connecting to remote")
                 .action(ArgAction::SetTrue)
-                .conflicts_with_all(&["tun_local6", "tun_peer6"]),
+                .conflicts_with_all(["tun_local6", "tun_peer6"]),
         )
         .arg(
             Arg::new("tun_local6")

phantun/src/bin/server.rs

@@ -96,7 +96,7 @@ async fn main() -> io::Result<()> {
                 .required(false)
                 .help("Do not assign IPv6 addresses to Tun interface")
                 .action(ArgAction::SetTrue)
-                .conflicts_with_all(&["tun_local6", "tun_peer6"]),
+                .conflicts_with_all(["tun_local6", "tun_peer6"]),
         )
         .arg(
             Arg::new("tun_local6")