From 857c6b9bea3e427c553bce01405e0d8623522508 Mon Sep 17 00:00:00 2001
From: hwdsl2 <hwdsl2@users.noreply.github.com>
Date: Tue, 10 May 2022 09:02:46 -0500
Subject: [PATCH] Add LXC check

---
 vpnsetup_centos.sh | 12 ++++++++++++
 vpnsetup_ubuntu.sh | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index 6684050..8fb2003 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -64,6 +64,17 @@ check_vz() {
   fi
 }
 
+check_lxc() {
+  # shellcheck disable=SC2154
+  if [ "$container" = "lxc" ] && [ ! -e /dev/ppp ]; then
+cat 1>&2 <<'EOF'
+Error: /dev/ppp is missing. LXC containers require configuration.
+       See: https://github.com/hwdsl2/setup-ipsec-vpn/issues/1014
+EOF
+  exit 1
+  fi
+}
+
 check_os() {
   os_type=centos
   rh_file="/etc/redhat-release"
@@ -705,6 +716,7 @@ EOF
 vpnsetup() {
   check_root
   check_vz
+  check_lxc
   check_os
   check_iface
   check_creds
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index e5d0768..65eb64c 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -63,6 +63,17 @@ check_vz() {
   fi
 }
 
+check_lxc() {
+  # shellcheck disable=SC2154
+  if [ "$container" = "lxc" ] && [ ! -e /dev/ppp ]; then
+cat 1>&2 <<'EOF'
+Error: /dev/ppp is missing. LXC containers require configuration.
+       See: https://github.com/hwdsl2/setup-ipsec-vpn/issues/1014
+EOF
+  exit 1
+  fi
+}
+
 check_os() {
   os_type=$(lsb_release -si 2>/dev/null)
   [ -z "$os_type" ] && [ -f /etc/os-release ] && os_type=$(. /etc/os-release && printf '%s' "$ID")
@@ -677,6 +688,7 @@ EOF
 vpnsetup() {
   check_root
   check_vz
+  check_lxc
   check_os
   check_iface
   check_creds