diff options
-rw-r--r-- | op-mode-definitions/connect-disconnect.xml | 35 | ||||
-rwxr-xr-x | src/op_mode/connect_disconnect.py | 98 |
2 files changed, 133 insertions, 0 deletions
diff --git a/op-mode-definitions/connect-disconnect.xml b/op-mode-definitions/connect-disconnect.xml new file mode 100644 index 000000000..77c334180 --- /dev/null +++ b/op-mode-definitions/connect-disconnect.xml @@ -0,0 +1,35 @@ +<?xml version="1.0"?> +<interfaceDefinition> + <node name="connect"> + <properties> + <help>Establish a connection</help> + </properties> + <children> + <tagNode name="interface"> + <properties> + <help>Bring up a connection-oriented network interface</help> + <completionHelp> + <script>${vyos_completion_dir}/list_pppoe_peers.sh</script> + </completionHelp> + </properties> + <command>sudo ${vyos_op_scripts_dir}/connect_disconnect.py --connect "$3"</command> + </tagNode> + </children> + </node> + <node name="disconnect"> + <properties> + <help>Take down a connection</help> + </properties> + <children> + <tagNode name="interface"> + <properties> + <help>Take down a connection-oriented network interface</help> + <completionHelp> + <script>${vyos_completion_dir}/list_pppoe_peers.sh</script> + </completionHelp> + </properties> + <command>sudo ${vyos_op_scripts_dir}/connect_disconnect.py --disconnect "$3"</command> + </tagNode> + </children> + </node> +</interfaceDefinition> diff --git a/src/op_mode/connect_disconnect.py b/src/op_mode/connect_disconnect.py new file mode 100755 index 000000000..a22615096 --- /dev/null +++ b/src/op_mode/connect_disconnect.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 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 +# 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 os +import argparse + +from sys import exit +from psutil import process_iter +from time import strftime, localtime, time + +PPP_LOGFILE = '/var/log/vyatta/ppp_{}.log' + +def check_interface(interface): + if not os.path.isfile('/etc/ppp/peers/{}'.format(interface)): + print('Interface {}: invalid!'.format(interface)) + exit(1) + +def check_ppp_running(interface): + """ + Check if ppp process is running in the interface in question + """ + for p in process_iter(): + if "pppd" in p.name(): + if interface in p.cmdline(): + return True + + return False + +def connect(interface): + """ + Connect PPP interface + """ + check_interface(interface) + + # Check if interface is already dialed + if os.path.isdir('/sys/class/net/{}'.format(interface)): + print('Interface {}: already connected!'.format(interface)) + elif check_ppp_running(interface): + print('Interface {}: connection is beeing established!'.format(interface)) + else: + print('Interface {}: connecting...'.format(interface)) + user = os.environ['SUDO_USER'] + tm = strftime("%a %d %b %Y %I:%M:%S %p %Z", localtime(time())) + with open(PPP_LOGFILE.format(interface), 'a') as f: + f.write('{}: user {} started PPP daemon for {} by connect command\n'.format(tm, user, interface)) + cmd = 'umask 0; setsid sh -c "nohup /usr/sbin/pppd call {0} > /tmp/{0}.log 2>&1 &"'.format(interface) + os.system(cmd) + + +def disconnect(interface): + """ + Disconnect PPP interface + """ + check_interface(interface) + + # Check if interface is already down + if not check_ppp_running(interface): + print('Interface {}: connection is already down'.format(interface)) + else: + print('Interface {}: disconnecting...'.format(interface)) + user = os.environ['SUDO_USER'] + tm = strftime("%a %d %b %Y %I:%M:%S %p %Z", localtime(time())) + with open(PPP_LOGFILE.format(interface), 'a') as f: + f.write('{}: user {} stopped PPP daemon for {} by disconnect command\n'.format(tm, user, interface)) + cmd = '/usr/bin/poff "{}"'.format(interface) + os.system(cmd) + +def main(): + parser = argparse.ArgumentParser() + group = parser.add_mutually_exclusive_group() + group.add_argument("--connect", help="Bring up a connection-oriented network interface", action="store") + group.add_argument("--disconnect", help="Take down connection-oriented network interface", action="store") + args = parser.parse_args() + + if args.connect: + connect(args.connect) + elif args.disconnect: + disconnect(args.disconnect) + else: + parser.print_help() + + exit(0) + +if __name__ == '__main__': + main() |