From f96480ad91d4f4d475dd5f538f7b5c9e8754f646 Mon Sep 17 00:00:00 2001
From: Md Imran <imranaec@outlook.com>
Date: Tue, 31 Oct 2023 18:19:03 +0530
Subject: [PATCH] fix(): tcp support (#31)

* fix(): tcp support

Signed-off-by: Md Imran <imranaec@outlook.com>

* fix(): file update done

Signed-off-by: Md Imran <imranaec@outlook.com>

---------

Signed-off-by: Md Imran <imranaec@outlook.com>
---
 ovpn/scripts/process.sh                    |  1 +
 ovpn/scripts/validate.sh                   | 10 ++++++++++
 ovpn/template/client-openvpn-combined.conf |  1 +
 ovpn/template/server-openvpn.conf          |  2 +-
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/ovpn/scripts/process.sh b/ovpn/scripts/process.sh
index e31b7c3..9585da0 100644
--- a/ovpn/scripts/process.sh
+++ b/ovpn/scripts/process.sh
@@ -153,6 +153,7 @@ function substituteTemplateParameters() {
     sed -i "s;<vpn-network>;${VPN_NETWORK};g" ${VPN_FQDN}/$file
     sed -i "s;<vpn-mask>;${VPN_MASK};g" ${VPN_FQDN}/$file
     sed -i "s;<vpn-cipher>;${VPN_CIPHER};g" ${VPN_FQDN}/$file
+    sed -i "s;<gateway-protocol>;${GATEWAY_PROTOCOL};g" ${VPN_FQDN}/$file
   done
   popd
   log "All parameters were substituted."
diff --git a/ovpn/scripts/validate.sh b/ovpn/scripts/validate.sh
index e1e2d63..a798f24 100644
--- a/ovpn/scripts/validate.sh
+++ b/ovpn/scripts/validate.sh
@@ -105,6 +105,16 @@ function validateIndividualCertRequest() {
     FAIL=YES
   fi
 
+  if [[ -z ${GATEWAY_PROTOCOL} ]]; then
+    GATEWAY_PROTOCOL="udp"
+  else
+    GATEWAY_PROTOCOL=$(echo "${GATEWAY_PROTOCOL}" | tr '[:upper:]' '[:lower:]')
+    if [[ ${GATEWAY_PROTOCOL} != "udp" && ${GATEWAY_PROTOCOL} != "tcp" ]]; then
+      GATEWAY_PROTOCOL="udp"
+    fi
+  fi
+
+
   if [[ "${FAIL}" == "YES" ]]; then
     log "One or more required parameters were missing."
     finish
diff --git a/ovpn/template/client-openvpn-combined.conf b/ovpn/template/client-openvpn-combined.conf
index 2af3cbd..ad3b7cb 100644
--- a/ovpn/template/client-openvpn-combined.conf
+++ b/ovpn/template/client-openvpn-combined.conf
@@ -15,6 +15,7 @@ tls-auth ta.key 1
 cipher <vpn-cipher>
 auth SHA256
 tun-mtu 1300
+proto <gateway-protocol>
 
 <key>
 <client-key>
diff --git a/ovpn/template/server-openvpn.conf b/ovpn/template/server-openvpn.conf
index 67dc987..7935e8a 100644
--- a/ovpn/template/server-openvpn.conf
+++ b/ovpn/template/server-openvpn.conf
@@ -12,7 +12,7 @@ keepalive 10 60
 persist-key
 persist-tun
 
-proto udp
+proto <gateway-protocol>
 txqueuelen 5000
 tun-mtu 1300