#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# update-oui.py -- update netsniff-ng oui.conf from official IEEE OUI list
#
# Copyright (C) 2013 Tobias Klauser <tklauser@distanz.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.

import os
import sys
import re
import getopt
try:
    from urllib2 import urlopen             # Python 2.x
except ImportError:
    from urllib.request import urlopen      # Python 3.x

DEFAULT_OUPUT_FILE = "oui.conf"
DEFAULT_OUI_URL = "http://standards.ieee.org/develop/regauth/oui/oui.txt"

OUI_PATTERN = re.compile(b"^\s*([a-fA-F0-9]{2})-([a-fA-F0-9]{2})-([a-fA-F0-9]{2})\s+\(hex\)\s+(.*)$")

def usage():
    print("""usage: {0} [OPTION...]
available options:
    -f  force overwrite of existing file
    -o  set output file (default: {1})
    -u  set URL to fetch OUI list from (default: {2})
    -h  show this help and exit""".format(os.path.basename(sys.argv[0]),
                                          DEFAULT_OUPUT_FILE, DEFAULT_OUI_URL))

def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], "fo:u:h")
    except getopt.GetoptError as err:
        print(str(err))
        usage()
        sys.exit(-1)

    overwrite = False
    output_file = DEFAULT_OUPUT_FILE
    oui_url = DEFAULT_OUI_URL
    for o, a in opts:
        if o == '-f':
            overwrite = True
        elif o == '-o':
            output_file = a
        elif o == '-u':
            oui_url = a
        elif o == '-h':
            usage()
            sys.exit(0)
        else:
            assert False, "unhandled option"

    if not overwrite and os.path.exists(output_file):
        print("Error: output file {} already exists".format(output_file))
        sys.exit(-1)

    print("Updating OUI information in {} from {}... ".format(output_file, oui_url))

    fh_file = open(output_file, 'w')
    fh_url = urlopen(oui_url)

    n = 0
    for line in fh_url:
        m = OUI_PATTERN.match(line)
        if m:
            fh_file.write("0x{}{}{}, {}\n".format(m.group(1), m.group(2), m.group(3), m.group(4)))
            n += 1

    print("{} OUIs written to {}".format(n, output_file))

    fh_url.close()
    fh_file.close()

if __name__ == '__main__':
    main()
<input type='hidden' name='id' value='c3d8103bc0069b926887e2270e9dd1e1e8441bb4'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=c3d8103bc0069b926887e2270e9dd1e1e8441bb4'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=c3d8103bc0069b926887e2270e9dd1e1e8441bb4'>include</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=c3d8103bc0069b926887e2270e9dd1e1e8441bb4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-13 22:24:16 -0500'>2017-02-13</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=c3d8103bc0069b926887e2270e9dd1e1e8441bb4'>Merge tag 'rxrpc-rewrite-20170210' of git://git.kernel.org/pub/scm/linux/kern...</a></td><td>David S. Miller</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+24</span></td></tr>
<tr><td><span title='2017-02-13 22:23:39 -0500'>2017-02-13</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=fb585b44383c4cff85f92e67377ee1c5f07d6dc1'>net: make net_device members garp_port and mrp_port conditional</a></td><td>Tobias Klauser</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-13 22:23:39 -0500'>2017-02-13</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=37fabbf4d489cc2e1cbf7cde816d9453a65ddfb7'>net: busy-poll: remove LL_FLUSH_FAILED and LL_FLUSH_BUSY</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2017-02-12 22:11:43 -0500'>2017-02-12</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=7c92d61eca453d5007669e4322dd8e469d443d04'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next</a></td><td>David S. Miller</td><td>4</td><td><span class='deletions'>-8</span>/<span class='insertions'>+53</span></td></tr>
<tr><td><span title='2017-02-12 14:45:13 +0100'>2017-02-12</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=1a94e38d254b3622d5d53f74b3b716b0fcab0ba8'>netfilter: nf_tables: add NFTA_RULE_ID attribute</a></td><td>Pablo Neira Ayuso</td><td>2</td><td><span class='deletions'>-0</span>/<span class='insertions'>+5</span></td></tr>
<tr><td><span title='2017-02-12 14:45:11 +0100'>2017-02-12</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=8c4d4e8b5626fec965fd5034e5bd5e57790f243f'>netfilter: nfnetlink: allow to check for generation ID</a></td><td>Pablo Neira Ayuso</td><td>2</td><td><span class='deletions'>-0</span>/<span class='insertions'>+13</span></td></tr>
<tr><td><span title='2017-02-11 21:25:18 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=c16ec18599c8c1722d476011786fd9e2529888f7'>net: rename dst_neigh_output back to neigh_output</a></td><td>Julian Anastasov</td><td>2</td><td><span class='deletions'>-12</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=9a393b5d5988ea4eaa3e0da138321abe0dc03a68'>tap: tap as an independent module</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=d9f1f61c0801a73ff36d416a7ede54229b231e1d'>tap: Extending tap device create/destroy APIs</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=6fe3faf86757eb7f078ff06b23b206f17dc4fb36'>tap: Abstract type of virtual interface from tap implementation</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+53</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=ebc05ba7e8600b52a2a0c87a43105143368aca2a'>tap: Tap character device creation/destroy API</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=635b8c8ecdd27142d7fdab0df334b2e9201481cf'>tap: Renaming tap related APIs, data structures, macros</a></td><td>Sainath Grandhi</td><td>3</td><td><span class='deletions'>-25</span>/<span class='insertions'>+25</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=a8e04698732736f59fefe72c675791a006b76e1d'>tap: Refactoring macvtap.c</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2017-02-11 02:31:11 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller