commit 0322faeaf3d22de17a08e01d3fb1256d4149bf5f
Author: ytshih <ytshih@konchin.com>
Date:   Sun Dec 8 20:08:12 2024 +0000

    Initial commit

diff --git a/vpn.bash b/vpn.bash
new file mode 100755
index 0000000..d7e6529
--- /dev/null
+++ b/vpn.bash
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+function stopvpn() {
+  mapfile -t vpn_pid <<< "$(pgrep openfortivpn)$(pgrep openvpn)" 
+
+  for pid in ${vpn_pid[@]}; do
+    if [[ -n "$pid" ]]; then
+      echo "Kill process $pid."
+      sudo kill "$pid"
+    fi
+  done
+
+  if [[ -e /etc/systemd/resolved.conf.d/openvpn.conf ]]; then
+    sudo rm /etc/systemd/resolved.conf.d/openvpn.conf
+    sudo systemctl reload systemd-resolved
+  fi
+}
+
+function fortivpn() {
+  read -e -p 'Password: ' -s pass
+
+  echo "Start openfortivpn with realm $1."
+  sudo sh <<EOF
+    openfortivpn \
+    ccvpn.it.cs.nycu.edu.tw \
+    --username "$USER" \
+    --realm "$1" \
+    --password "$pass" \
+    >/dev/null </dev/null 2>/dev/null & disown
+EOF
+}
+
+function ovpn() {
+  echo "Start openvpn."
+
+  # Workaround, since openvpn didn't accept dns option for no reason
+  sudo mkdir -p /etc/systemd/resolved.conf.d/
+  cat > /tmp/vpn-resolved << 'EOF'
+[Resolve]
+DNS=192.168.10.254
+Domains=konchin.com
+EOF
+  sudo mv /tmp/vpn-resolved /etc/systemd/resolved.conf.d/openvpn.conf
+  sudo systemctl reload systemd-resolved
+
+  sudo sh <<EOF
+  openvpn --config "$1" \
+  >/dev/null </dev/null 2>/dev/null & disown
+EOF
+}
+
+function main() {
+  case "$1" in
+    s|stop)
+      stopvpn
+      ;;
+    p|prod)
+      stopvpn
+      fortivpn prod
+      ;;
+    t|test)
+      stopvpn
+      fortivpn test
+      ;;
+    h|home)
+      stopvpn
+      ovpn "$HOME/.secret/openvpn/desktop.ovpn"
+      ;;
+  esac
+}
+
+main $@