From 7f7da10b1bb482b0d22a906449127d06dc03bb73 Mon Sep 17 00:00:00 2001
From: Heng lu <luhengsw@gmail.com>
Date: Tue, 7 Oct 2025 00:29:18 +0800
Subject: [PATCH] fix(docker): fix parameter parsing and signal handling in
 phantun.sh (#235)

- Fix awk delimiter parsing for --tun, --tun-peer, --tun-peer6 arguments
- Change shebang from sh to bash to fix signal trap handling
- Add missing dependencies (iproute2, iptables, procps) to Dockerfile
---
 docker/Dockerfile | 4 ++++
 docker/phantun.sh | 8 ++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2f5c8bd..6a9d11a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -25,6 +25,10 @@ FROM debian:latest
 COPY --from=builder /usr/local/bin/phantun-server /usr/local/bin/
 COPY --from=builder /usr/local/bin/phantun-client /usr/local/bin/
 COPY docker/phantun.sh /usr/local/bin/
+RUN apt-get update && apt-get install -y \
+    iproute2 \
+    iptables \
+    procps
 
 ENV USE_IPTABLES_NFT_BACKEND=0
 ENV RUST_LOG=INFO
diff --git a/docker/phantun.sh b/docker/phantun.sh
index 36be794..c2b4800 100755
--- a/docker/phantun.sh
+++ b/docker/phantun.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # alias ​​settings must be global, and must be defined before the function being called with the alias
 if [ "$USE_IPTABLES_NFT_BACKEND" = 1 ]; then
@@ -70,17 +70,17 @@ _is_ipv4_only() {
 }
 
 _get_tun_from_args() {
-  local tun=$(echo "$@" | awk -F '--tun' '{print $2}' | awk '{print $1}')
+  local tun=$(echo "$@" | awk -F '--tun ' '{print $2}' | awk '{print $1}')
   echo ${tun:=tun0}
 }
 
 _get_peer_from_args() {
-  local peer=$(echo "$@" | awk -F '--tun-peer' '{print $2}' | awk '{print $1}')
+  local peer=$(echo "$@" | awk -F '--tun-peer ' '{print $2}' | awk '{print $1}')
   _is_server_mode "$1" && echo ${peer:=192.168.201.2} || echo ${peer:=192.168.200.2}
 }
 
 _get_peer6_from_args() {
-  local peer=$(echo "$@" | awk -F '--tun-peer6' '{print $2}' | awk '{print $1}')
+  local peer=$(echo "$@" | awk -F '--tun-peer6 ' '{print $2}' | awk '{print $1}')
   _is_server_mode "$1" && echo ${peer:=fcc9::2} || echo ${peer:=fcc8::2}
 }