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#!/usr/bin/env python
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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import sys
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import gi
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gi.require_version("NM", "1.0")
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from gi.repository import GLib, NM
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def find_connections(nm_client, arg_type, arg_id):
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for c in nm_client.get_connections():
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if arg_type in [None, "id"] and c.get_id() == arg_id:
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yield c
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if arg_type in [None, "uuid"] and c.get_uuid() == arg_id:
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yield c
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def find_connection_first(nm_client, arg_type, arg_id):
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for f in find_connections(nm_client, arg_type, arg_id):
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return f
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def con_to_str(con):
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s_con = con.get_setting_connection()
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return '"%s" (%s)' % (s_con.get_id(), s_con.get_uuid())
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def usage():
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arg0 = sys.argv[0]
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arg0_spaced = " " * len(arg0)
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print("Usage: %s [ [id] <id> | [uuid] <uuid> ] \\" % (arg0))
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print(
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" %s [ --to-disk | --in-memory | --in-memory-detached | --in-memory-only ] \\"
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% (arg0_spaced)
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)
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print(" %s [ --block-autoconnect ] \\" % (arg0_spaced))
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print(" %s [ --volatile ] \\" % (arg0_spaced))
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print(" %s [ --no-reapply ] \\" % (arg0_spaced))
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return 1
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def die(msg, print_usage=False):
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print(msg)
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if print_usage:
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usage()
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sys.exit(1)
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def main():
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main_loop = GLib.MainLoop()
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nm_client = NM.Client.new(None)
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arg_mode = None
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arg_block_autoconnect = NM.SettingsUpdate2Flags.NONE
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arg_volatile = NM.SettingsUpdate2Flags.NONE
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arg_no_reapply = NM.SettingsUpdate2Flags.NONE
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cons = []
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argv = list(sys.argv[1:])
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while argv:
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if argv[0] in ["id", "uuid"]:
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if cons:
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die("cannot specify multiple connections")
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if len(argv) < 2:
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die('missing argument for "%s" specifier' % (argv[0]))
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cons.extend(find_connections(nm_client, argv[0], argv[1]))
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if len(cons) == 0:
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die('could not find connection for "%s %s"' % (argv[0], argv[1]))
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if len(cons) != 1:
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die('could not find unique connection for "%s %s"' % (argv[0], argv[1]))
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argv = argv[2:]
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continue
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if argv[0] in ["--block-autoconnect"]:
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arg_block_autoconnect = NM.SettingsUpdate2Flags.BLOCK_AUTOCONNECT
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argv = argv[1:]
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continue
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if argv[0] in ["--volatile"]:
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arg_volatile = NM.SettingsUpdate2Flags.VOLATILE
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argv = argv[1:]
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continue
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if argv[0] in ["--no-reapply"]:
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arg_no_reapply = NM.SettingsUpdate2Flags.NO_REAPPLY
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argv = argv[1:]
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continue
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if argv[0] in [
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"--to-disk",
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"--in-memory",
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"--in-memory-detached",
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"--in-memory-only",
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]:
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if argv[0] == "--to-disk":
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v = NM.SettingsUpdate2Flags.TO_DISK
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elif argv[0] == "--in-memory":
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v = NM.SettingsUpdate2Flags.IN_MEMORY
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elif argv[0] == "--in-memory-detached":
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v = NM.SettingsUpdate2Flags.IN_MEMORY_DETACHED
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elif argv[0] == "--in-memory-only":
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v = NM.SettingsUpdate2Flags.IN_MEMORY_ONLY
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elif argv[0] == "--keep":
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v = NM.SettingsUpdate2Flags.NONE
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else:
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assert False
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if arg_mode is not None:
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die('duplicate storage modes ("%s")' % (argv[0]))
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arg_mode = v
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argv = argv[1:]
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continue
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if cons:
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die('unknown argument "%s"' % (argv[0]))
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cons.extend(find_connections(nm_client, None, argv[0]))
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if len(cons) == 0:
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die('could not find connection for "%s"' % (argv[0]))
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if len(cons) != 1:
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die('could not find unique connection for "%s"' % (argv[0]))
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argv = argv[1:]
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continue
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if len(cons) != 1:
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die("missing connection argument", True)
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con = cons[0]
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con2 = NM.SimpleConnection.new_clone(con)
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result = {}
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def _update2_cb(con, async_result, user_data):
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try:
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r = con.update2_finish(async_result)
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except Exception as e:
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result["error"] = e
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else:
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result["result"] = r
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main_loop.quit()
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con.update2(
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con2.to_dbus(NM.ConnectionSerializationFlags.ALL),
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(arg_mode if arg_mode is not None else NM.SettingsUpdate2Flags.NONE)
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| arg_block_autoconnect
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| arg_volatile
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| arg_no_reapply,
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None,
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None,
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_update2_cb,
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None,
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)
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main_loop.run()
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if "error" in result:
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die(
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"update connection %s failed [%s]: %s"
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% (con_to_str(con2), " ".join(sys.argv), result["error"])
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)
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print(
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"update connection %s succeeded [%s]: %s"
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% (con_to_str(con2), " ".join(sys.argv), result["result"])
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)
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if __name__ == "__main__":
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main()
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