diff options
| -rw-r--r-- | interface-definitions/system-proxy.xml | 43 | ||||
| -rwxr-xr-x | src/conf_mode/system-proxy.py | 91 |
2 files changed, 134 insertions, 0 deletions
diff --git a/interface-definitions/system-proxy.xml b/interface-definitions/system-proxy.xml new file mode 100644 index 000000000..f43702fc8 --- /dev/null +++ b/interface-definitions/system-proxy.xml @@ -0,0 +1,43 @@ +<?xml version="1.0"?> +<interfaceDefinition> + <node name="system"> + <children> + <node name="proxy" owner="${vyos_conf_scripts_dir}/system-proxy.py"> + <properties> + <help>Sets a proxy for system wide use</help> + </properties> + <children> + <leafNode name="url"> + <properties> + <help>Proxy URL</help> + <constraint> + <regex>^http://[a-z0-9\.]+$</regex> + </constraint> + </properties> + </leafNode> + <leafNode name="port"> + <properties> + <help>Proxy port</help> + <constraint> + <validator name="numeric" argument="--range 1-65535"/> + </constraint> + </properties> + </leafNode> + <leafNode name="username"> + <properties> + <help>Proxy username</help> + <constraint> + <regex>^[a-z0-9-_\.]{1,100}$</regex> + </constraint> + </properties> + </leafNode> + <leafNode name="password"> + <properties> + <help>Proxy password</help> + </properties> + </leafNode> + </children> + </node> + </children> + </node> +</interfaceDefinition> diff --git a/src/conf_mode/system-proxy.py b/src/conf_mode/system-proxy.py new file mode 100755 index 000000000..02e1a2eda --- /dev/null +++ b/src/conf_mode/system-proxy.py @@ -0,0 +1,91 @@ +#!/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 re +import subprocess + +from vyos import ConfigError +from vyos.config import Config + +proxy_def=r'/etc/profile.d/vyos-system-proxy.sh' + +def get_config(): + c = Config() + if not c.exists('system proxy'): + return None + + c.set_level('system proxy') + + cnf = { + 'url' : None, + 'port' : None, + 'usr' : None, + 'passwd' : None + } + + if c.exists('url'): + cnf['url'] = c.return_value('url') + if c.exists('port'): + cnf['port'] = c.return_value('port') + if c.exists('username'): + cnf['usr'] = c.return_value('username') + if c.exists('password'): + cnf['passwd'] = c.return_value('password') + + return cnf + +def verify(c): + if not c: + return None + if not c['url'] or not c['port']: + raise ConfigError("proxy url and port requires a value") + elif c['usr'] and not c['passwd']: + raise ConfigError("proxy password requires a value") + elif not c['usr'] and c['passwd']: + raise ConfigError("proxy username requires a value") + +def generate(c): + if not c: + return None + if not c['usr']: + return str("export http_proxy={url}:{port}\nexport https_proxy=$http_proxy\nexport ftp_proxy=$http_proxy"\ + .format(url=c['url'], port=c['port'])) + else: + return str("export http_proxy=http://{usr}:{passwd}@{url}:{port}\nexport https_proxy=$http_proxy\nexport ftp_proxy=$http_proxy"\ + .format(url=re.sub('http://','',c['url']), port=c['port'], usr=c['usr'], passwd=c['passwd'])) + +def apply(ln): + if not ln and os.path.exists(proxy_def): + subprocess.call(['unset http_proxy https_proxy ftp_proxy'], shell=True) + os.remove(proxy_def) + else: + open(proxy_def,'w').write("# generated by system-proxy.py\n{}\n".format(ln)) + subprocess.call(['. /etc/profile.d/vyos-system-proxy.sh'], shell=True) + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + ln = generate(c) + apply(ln) + except ConfigError as e: + print(e) + sys.exit(1) + |