1 files changed, 87 insertions, 0 deletions
diff --git a/src/op_mode/connect_disconnect.py b/src/op_mode/connect_disconnect.py
new file mode 100755
index 000000000..a773aa28e
--- /dev/null
+++ b/src/op_mode/connect_disconnect.py
@@ -0,0 +1,87 @@
+#!/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
+
+from vyos.util import call
+
+def check_interface(interface):
+    if not os.path.isfile(f'/etc/ppp/peers/{interface}'):
+        print(f'Interface {interface}: invalid!')
+        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(f'/sys/class/net/{interface}'):
+        print(f'Interface {interface}: already connected!')
+    elif check_ppp_running(interface):
+        print(f'Interface {interface}: connection is beeing established!')
+    else:
+        print(f'Interface {interface}: connecting...')
+        call(f'systemctl restart ppp@{interface}.service')
+
+def disconnect(interface):
+    """
+    Disconnect PPP interface
+    """
+    check_interface(interface)
+
+    # Check if interface is already down
+    if not check_ppp_running(interface):
+        print(f'Interface {interface}: connection is already down')
+    else:
+        print(f'Interface {interface}: disconnecting...')
+        call(f'systemctl stop ppp@{interface}.service')
+
+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()