Merge branch 'current' of https://github.com/vyos/vyos-1x into current

4 files changed, 201 insertions, 9 deletions

diff --git a/src/conf_mode/ntp.py b/src/conf_mode/ntp.py
index 2a6088575..8533411cc 100755
--- a/src/conf_mode/ntp.py
+++ b/src/conf_mode/ntp.py
@@ -154,10 +154,10 @@ def generate(ntp):
 
 def apply(ntp):
     if ntp is not None:
-        os.system('sudo /usr/sbin/invoke-rc.d ntp force-reload')
+        os.system('sudo systemctl restart ntp.service')
     else:
-        # NTP suuport is removed in the commit
-        os.system('sudo /usr/sbin/invoke-rc.d ntp stop')
+        # NTP support is removed in the commit
+        os.system('sudo systemctl stop ntp.service')
         os.unlink(config_file)
 
     return None
diff --git a/src/conf_mode/ssh.py b/src/conf_mode/ssh.py
index f1ac19473..beca7bb9a 100755
--- a/src/conf_mode/ssh.py
+++ b/src/conf_mode/ssh.py
@@ -236,10 +236,10 @@ def generate(ssh):
 
 def apply(ssh):
     if ssh is not None and 'port' in ssh.keys():
-        os.system("sudo systemctl restart ssh")
+        os.system("sudo systemctl restart ssh.service")
     else:
         # SSH access is removed in the commit
-        os.system("sudo systemctl stop ssh")
+        os.system("sudo systemctl stop ssh.service")
         os.unlink(config_file)
 
     return None
diff --git a/src/conf_mode/tftp_server.py b/src/conf_mode/tftp_server.py
new file mode 100755
index 000000000..9cf4489af
--- /dev/null
+++ b/src/conf_mode/tftp_server.py
@@ -0,0 +1,162 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 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
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import sys
+import os
+import stat
+import pwd
+
+import jinja2
+import ipaddress
+import netifaces
+
+from vyos.config import Config
+from vyos import ConfigError
+
+config_file = r'/etc/default/tftpd-hpa'
+
+# Please be careful if you edit the template.
+config_tmpl = """
+### Autogenerated by tftp_server.py ###
+
+# See manual at https://linux.die.net/man/8/tftpd
+
+TFTP_USERNAME="tftp"
+TFTP_DIRECTORY="{{ directory }}"
+{% if listen_ipv4 and listen_ipv6 -%}
+TFTP_ADDRESS="{% for a in listen_ipv4 -%}{{ a }}:{{ port }}{{- " --address " if not loop.last -}}{% endfor -%} {% for a in listen_ipv6 %} --address [{{ a }}]:{{ port }}{% endfor -%}"
+{% elif listen_ipv4 -%}
+TFTP_ADDRESS="{% for a in listen_ipv4 -%}{{ a }}:{{ port }}{{- " --address " if not loop.last -}}{% endfor %} -4"
+{% elif listen_ipv6 -%}
+TFTP_ADDRESS="{% for a in listen_ipv6 -%}[{{ a }}]:{{ port }}{{- " --address " if not loop.last -}}{% endfor %} -6"
+{%- endif %}
+
+TFTP_OPTIONS="--secure {% if allow_upload %}--create --umask 002{% endif %}"
+"""
+
+default_config_data = {
+    'directory': '',
+    'allow_upload': False,
+    'port': '69',
+    'listen_ipv4': [],
+    'listen_ipv6': []
+}
+
+# Verify if an IP address is assigned to any interface, IPv4 and IPv6
+def addrok(ipaddr, ipversion):
+    # For every available interface on this system
+    for interface in netifaces.interfaces():
+        # If it has any IPv4 or IPv6 address (depending on ipversion) configured
+        if ipversion in netifaces.ifaddresses(interface).keys():
+            # For every configured IP address
+            for addr in netifaces.ifaddresses(interface)[ipversion]:
+                # Check if it matches to the address requested
+                if addr['addr'] == ipaddr:
+                    return True
+
+    return False
+
+def get_config():
+    tftpd = default_config_data
+    conf = Config()
+    if not conf.exists('service tftp-server'):
+        return None
+    else:
+        conf.set_level('service tftp-server')
+
+    if conf.exists('directory'):
+        tftpd['directory'] = conf.return_value('directory')
+
+    if conf.exists('allow-upload'):
+        tftpd['allow_upload'] = True
+
+    if conf.exists('port'):
+        tftpd['port'] = conf.return_value('port')
+
+    if conf.exists('listen-address'):
+        for addr in conf.return_values('listen-address'):
+            if (ipaddress.ip_address(addr).version == 4):
+                tftpd['listen_ipv4'].append(addr)
+
+            if (ipaddress.ip_address(addr).version == 6):
+                tftpd['listen_ipv6'].append(addr)
+
+    return tftpd
+
+def verify(tftpd):
+    # bail out early - looks like removal from running config
+    if tftpd is None:
+        return None
+
+    # Configuring allowed clients without a server makes no sense
+    if not tftpd['directory']:
+        raise ConfigError('TFTP root directory must be configured!')
+
+    if not (tftpd['listen_ipv4'] or tftpd['listen_ipv6']):
+        raise ConfigError('TFTP server listen address must be configured!')
+
+    for address in tftpd['listen_ipv4']:
+        if not addrok(address, netifaces.AF_INET):
+            raise ConfigError('TFTP server listen address "{0}" not configured on this system.'.format(address))
+
+    for address in tftpd['listen_ipv6']:
+        if not addrok(address, netifaces.AF_INET6):
+            raise ConfigError('TFTP server listen address "{0}" not configured on this system.'.format(address))
+
+    return None
+
+def generate(tftpd):
+    # bail out early - looks like removal from running config
+    if tftpd is None:
+        return None
+
+    tmpl = jinja2.Template(config_tmpl)
+    config_text = tmpl.render(tftpd)
+    with open(config_file, 'w') as f:
+        f.write(config_text)
+
+    return None
+
+def apply(tftpd):
+    if tftpd is not None:
+
+        tftp_root = tftpd['directory']
+        if not os.path.exists(tftp_root):
+            os.makedirs(tftp_root)
+            os.chmod(tftp_root, stat.S_IRUSR|stat.S_IWUSR|stat.S_IXUSR|stat.S_IRGRP|stat.S_IXGRP|stat.S_IROTH|stat.S_IXOTH)
+            # get UNIX uid for user 'tftp'
+            tftp_uid = pwd.getpwnam('tftp').pw_uid
+            os.chown(tftp_root, tftp_uid, -1)
+
+        os.system('sudo systemctl restart tftpd-hpa.service')
+    else:
+        # TFTP server support is removed in the commit
+        os.system('sudo systemctl stop tftpd-hpa.service')
+        os.unlink(config_file)
+
+    return None
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        sys.exit(1)
diff --git a/src/conf_mode/wireguard.py b/src/conf_mode/wireguard.py
index 7d52cfe94..a4f876397 100755
--- a/src/conf_mode/wireguard.py
+++ b/src/conf_mode/wireguard.py
@@ -116,6 +116,10 @@ def get_config():
           if c.exists(cnf + ' peer ' + p + ' endpoint'):
             config_data['interfaces'][intfc]['peer'][p]['endpoint'] = c.return_value(cnf + ' peer ' + p + ' endpoint')
   
+      ### persistent-keepalive
+      if c.exists(cnf + ' peer ' + p + ' persistent-keepalive'):
+        config_data['interfaces'][intfc]['peer'][p]['persistent-keepalive'] = c.return_value(cnf + ' peer ' + p + ' persistent-keepalive')
+
   #print (config_data)
   return config_data
 
@@ -135,8 +139,6 @@ def verify(c):
         for p in c['interfaces'][i]['peer']:
           if not c['interfaces'][i]['peer'][p]['allowed-ips']:
             raise ConfigError("allowed-ips required on interface " + i + " for peer " + p)
-      if not c['interfaces'][i]['peer'][p]['endpoint']:
-        raise ConfigError("endpoint required on interface " + i + " for peer " + p)
 
     ### eventually check allowed-ips (if it's an ip and valid CIDR or so)
     ### endpoint needs to be IP:port
@@ -192,6 +194,26 @@ def apply(c):
         for addr in addr_add:
           add_addr(intf, addr)
 
+      ### persistent-keepalive 
+      for p in c_eff.list_nodes(intf + ' peer'):
+        val_eff = ""
+        val = "" 
+
+        if c_eff.exists_effective(intf + ' peer ' + p + ' persistent-keepalive'):
+          val_eff = c_eff.return_effective_value(intf + ' peer ' + p + ' persistent-keepalive')
+
+        if 'persistent-keepalive' in c['interfaces'][intf]['peer'][p]:
+          val = c['interfaces'][intf]['peer'][p]['persistent-keepalive']
+        
+        ### disable keepalive
+        if val_eff and not val:
+          c['interfaces'][intf]['peer'][p]['persistent-keepalive'] = 0 
+        
+        ### set new keepalive value
+        if not val_eff and val:
+          c['interfaces'][intf]['peer'][p]['persistent-keepalive'] = val
+
+      ## wg command call
       configure_interface(c,intf)
 
     ### ifalias for snmp from description   
@@ -205,14 +227,22 @@ def configure_interface(c, intf):
     cmd = "wg set " + intf + \
           " listen-port " + c['interfaces'][intf]['lport'] + \
           " private-key " + pk + \
-          " peer " + p + \
-          " endpoint " + c['interfaces'][intf]['peer'][p]['endpoint'] 
+          " peer " + p 
     cmd += " allowed-ips "
+
   for ap in c['interfaces'][intf]['peer'][p]['allowed-ips']:
     if ap != c['interfaces'][intf]['peer'][p]['allowed-ips'][-1]:
       cmd += ap + ","
     else:
       cmd += ap
+
+  ## endpoint is only required if wg runs as client
+  if c['interfaces'][intf]['peer'][p]['endpoint']:
+    cmd += " endpoint " + c['interfaces'][intf]['peer'][p]['endpoint']
+
+  if 'persistent-keepalive' in c['interfaces'][intf]['peer'][p]:
+    cmd += " persistent-keepalive " + str( c['interfaces'][intf]['peer'][p]['persistent-keepalive'])
+
   sl.syslog(sl.LOG_NOTICE, "sudo " + cmd)
   subprocess.call([ 'sudo ' + cmd], shell=True)