/
randmac
executable file
·28 lines (26 loc) · 996 Bytes
/
randmac
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#!/usr/bin/python3
# jbin - Joe's miscellaneous scripts, tools and configs
# randmac: Generate a valid unicast MAC address
# Copyright (C) 2018-2018 Johannes Bauer
#
# This file is part of jbin.
#
# jbin is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; this program is ONLY licensed under
# version 3 of the License, later versions are explicitly excluded.
#
# jbin 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 jbin. If not, see <http://www.gnu.org/licenses/>.
#
# Johannes Bauer <JohannesBauer@gmx.de>
import os
mac = bytearray(os.urandom(6))
mac[0] &= ~0x01
mac[0] |= 0x02
print(":".join("%02x" % (c) for c in mac))