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-rwxr-xr-xsrc/conf_mode/tftp_server.py64
1 files changed, 31 insertions, 33 deletions
diff --git a/src/conf_mode/tftp_server.py b/src/conf_mode/tftp_server.py
index ff7cad0c9..fe2da8455 100755
--- a/src/conf_mode/tftp_server.py
+++ b/src/conf_mode/tftp_server.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2018 VyOS maintainers and contributors
+# Copyright (C) 2018-2020 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
@@ -13,32 +13,23 @@
#
# 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 copy
-import glob
-import jinja2
-import vyos.validate
+from copy import deepcopy
+from glob import glob
+from jinja2 import FileSystemLoader, Environment
+from sys import exit
from vyos.config import Config
+from vyos.defaults import directories as vyos_data_dir
+from vyos.validate import is_ipv4, is_addr_assigned
from vyos import ConfigError
config_file = r'/etc/default/tftpd'
-# Please be careful if you edit the template.
-config_tmpl = """
-### Autogenerated by tftp_server.py ###
-DAEMON_ARGS="--listen --user tftp --address {% for a in listen-%}{{ a }}{% endfor %}{% if allow_upload %} --create --umask 000{% endif %} --secure {{ directory }}"
-
-
-"""
-
default_config_data = {
'directory': '',
'allow_upload': False,
@@ -47,23 +38,25 @@ default_config_data = {
}
def get_config():
- tftpd = copy.deepcopy(default_config_data)
+ tftpd = deepcopy(default_config_data)
conf = Config()
- if not conf.exists('service tftp-server'):
+ base = ['service', 'tftp-server']
+ if not conf.exists(base):
return None
else:
- conf.set_level('service tftp-server')
+ conf.set_level(base)
- if conf.exists('directory'):
- tftpd['directory'] = conf.return_value('directory')
+ if conf.exists(['directory']):
+ tftpd['directory'] = conf.return_value(['directory'])
- if conf.exists('allow-upload'):
+ if conf.exists(['allow-upload']):
tftpd['allow_upload'] = True
- if conf.exists('port'):
- tftpd['port'] = conf.return_value('port')
+ if conf.exists(['port']):
+ tftpd['port'] = conf.return_value(['port'])
- tftpd['listen'] = conf.return_values('listen-address')
+ if conf.exists(['listen-address']):
+ tftpd['listen'] = conf.return_values(['listen-address'])
return tftpd
@@ -80,7 +73,7 @@ def verify(tftpd):
raise ConfigError('TFTP server listen address must be configured!')
for addr in tftpd['listen']:
- if not vyos.validate.is_addr_assigned(addr):
+ if not is_addr_assigned(addr):
print('WARNING: TFTP server listen address {0} not assigned to any interface!'.format(addr))
return None
@@ -88,22 +81,27 @@ def verify(tftpd):
def generate(tftpd):
# cleanup any available configuration file
# files will be recreated on demand
- for i in glob.glob(config_file + '*'):
+ for i in glob(config_file + '*'):
os.unlink(i)
# bail out early - looks like removal from running config
if tftpd is None:
return None
+ # Prepare Jinja2 template loader from files
+ tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'tftp-server')
+ fs_loader = FileSystemLoader(tmpl_path)
+ env = Environment(loader=fs_loader)
+
idx = 0
for listen in tftpd['listen']:
- config = copy.deepcopy(tftpd)
- if vyos.validate.is_ipv4(listen):
+ config = deepcopy(tftpd)
+ if is_ipv4(listen):
config['listen'] = [listen + ":" + tftpd['port'] + " -4"]
else:
config['listen'] = ["[" + listen + "]" + tftpd['port'] + " -6"]
- tmpl = jinja2.Template(config_tmpl)
+ tmpl = env.get_template('default.tmpl')
config_text = tmpl.render(config)
file = config_file + str(idx)
with open(file, 'w') as f:
@@ -115,7 +113,7 @@ def generate(tftpd):
def apply(tftpd):
# stop all services first - then we will decide
- os.system('sudo systemctl stop tftpd@{0..20}')
+ os.system('systemctl stop tftpd@{0..20}')
# bail out early - e.g. service deletion
if tftpd is None:
@@ -140,7 +138,7 @@ def apply(tftpd):
idx = 0
for listen in tftpd['listen']:
- os.system('sudo systemctl restart tftpd@{0}.service'.format(idx))
+ os.system('systemctl restart tftpd@{0}.service'.format(idx))
idx = idx + 1
return None
@@ -153,4 +151,4 @@ if __name__ == '__main__':
apply(c)
except ConfigError as e:
print(e)
- sys.exit(1)
+ exit(1)