From 1aeaedb06928ce72c9439802055770826b32b454 Mon Sep 17 00:00:00 2001
From: goodNETnick <pknet@ya.ru>
Date: Thu, 26 May 2022 02:10:26 -0400
Subject: sstp: T4444. Port number changing support

---
 data/templates/accel-ppp/sstp.config.j2 |  1 +
 interface-definitions/vpn_sstp.xml.in   | 14 ++++++++++++++
 src/conf_mode/vpn_sstp.py               | 10 ++++++++--
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/data/templates/accel-ppp/sstp.config.j2 b/data/templates/accel-ppp/sstp.config.j2
index 5c6f19306..7ee28dd21 100644
--- a/data/templates/accel-ppp/sstp.config.j2
+++ b/data/templates/accel-ppp/sstp.config.j2
@@ -28,6 +28,7 @@ disable
 [sstp]
 verbose=1
 ifname=sstp%d
+port={{ port }}
 accept=ssl
 ssl-ca-file=/run/accel-pppd/sstp-ca.pem
 ssl-pemfile=/run/accel-pppd/sstp-cert.pem
diff --git a/interface-definitions/vpn_sstp.xml.in b/interface-definitions/vpn_sstp.xml.in
index fe2fea9f8..c85cab7dc 100644
--- a/interface-definitions/vpn_sstp.xml.in
+++ b/interface-definitions/vpn_sstp.xml.in
@@ -37,6 +37,20 @@
             </children>
           </node>
           #include <include/accel-ppp/client-ipv6-pool.xml.i>
+          <leafNode name="port">
+            <properties>
+              <help>SSTP server listening port</help>
+              <valueHelp>
+                <format>u32:1-65535</format>
+                <description>SSTP server listening port</description>
+              </valueHelp>
+              <constraint>
+                <validator name="numeric" argument="--range 1-65535"/>
+              </constraint>
+              <constraintErrorMessage>SSTP server listening port must be between 1 and 65535</constraintErrorMessage>
+            </properties>
+            <defaultValue>443</defaultValue>
+          </leafNode>
           <node name="ppp-options">
             <properties>
               <help>PPP (Point-to-Point Protocol) settings</help>
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index db53463cf..c2dc97caf 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2018-2020 VyOS maintainers and contributors
+# Copyright (C) 2018-2022 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -20,6 +20,7 @@ from sys import exit
 
 from vyos.config import Config
 from vyos.configdict import get_accel_dict
+from vyos.configdict import dict_merge
 from vyos.configverify import verify_accel_ppp_base_service
 from vyos.pki import wrap_certificate
 from vyos.pki import wrap_private_key
@@ -27,6 +28,7 @@ from vyos.template import render
 from vyos.util import call
 from vyos.util import dict_search
 from vyos.util import write_file
+from vyos.xml import defaults
 from vyos import ConfigError
 from vyos import airbag
 airbag.enable()
@@ -51,6 +53,11 @@ def get_config(config=None):
     # retrieve common dictionary keys
     sstp = get_accel_dict(conf, base, sstp_chap_secrets)
 
+    default_values = defaults(base)
+    sstp = dict_merge(default_values, sstp)
+    # workaround a "know limitation" - https://phabricator.vyos.net/T2665
+    del sstp['authentication']['local_users']['username']['static_ip']
+
     if sstp:
         sstp['pki'] = conf.get_config_dict(['pki'], key_mangling=('-', '_'),
                                 get_first_key=True, no_tag_node_value_mangle=True)
@@ -121,7 +128,6 @@ def generate(sstp):
 
     ca_cert_name = sstp['ssl']['ca_certificate']
     pki_ca = sstp['pki']['ca'][ca_cert_name]
-
     write_file(cert_file_path, wrap_certificate(pki_cert['certificate']))
     write_file(cert_key_path, wrap_private_key(pki_cert['private']['key']))
     write_file(ca_cert_file_path, wrap_certificate(pki_ca['certificate']))
-- 
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