1 | #! /usr/bin/env python |
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2 | # Copyright (C) 2002 |
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3 | # |
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4 | # This file is part of the pxeconfig utils |
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5 | # |
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6 | # This program is free software; you can redistribute it and/or modify it |
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7 | # under the terms of the GNU General Public License as published by the |
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8 | # Free Software Foundation; either version 2, or (at your option) any |
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9 | # later version. |
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10 | # |
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11 | # This program is distributed in the hope that it will be useful, |
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | # GNU General Public License for more details. |
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15 | # |
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16 | # You should have received a copy of the GNU General Public License |
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17 | # along with this program; if not, write to the Free Software |
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18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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19 | # |
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20 | ''' |
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21 | hexls.py - Lists directory contents, but converts the hexadecimal IP numbers |
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22 | to dotted decimal notation (so you can at least see what you're doing..!!) |
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23 | |
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24 | Author: Walter de Jong <walter@sara.nl> |
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25 | Date: January 2002 |
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26 | |
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27 | Changes: Bas van der Vlies <basv@sara.nl> |
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28 | Date: September 2002 |
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29 | |
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30 | SVN info |
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31 | $Id: hexls 64 2006-01-16 09:04:06Z walter $ |
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32 | ''' |
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33 | |
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34 | import os |
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35 | import string |
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36 | import re |
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37 | import socket |
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38 | |
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39 | def hexls(path): |
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40 | '''list directory, convert hexadecimal to dotted decimal''' |
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41 | |
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42 | regexp = re.compile('[' + string.hexdigits + ']{8}' ) |
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43 | for f in os.listdir(path): |
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44 | fullpath = os.path.join(path, f) |
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45 | if os.path.islink(fullpath): |
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46 | symlink_dest = os.readlink(fullpath) |
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47 | else: |
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48 | symlink_dest = None |
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49 | |
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50 | if regexp.match(f) and len(f) == 8: |
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51 | digit1 = string.atoi(f[:2], 16) |
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52 | digit2 = string.atoi(f[2:4], 16) |
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53 | digit3 = string.atoi(f[4:6], 16) |
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54 | digit4 = string.atoi(f[6:], 16) |
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55 | |
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56 | ipaddr = '%d.%d.%d.%d' % (digit1, digit2, digit3, digit4) |
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57 | try: |
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58 | hostname = socket.gethostbyaddr(ipaddr) |
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59 | except socket.herror, detail: |
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60 | hostname = ( detail[1], 'dummy' ) |
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61 | |
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62 | if hostname: |
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63 | output = '%s => %s => %s' % (f, ipaddr, hostname[0]) |
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64 | else: |
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65 | output = '%s => %s' % (f, ipaddr) |
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66 | |
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67 | if symlink_dest: |
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68 | output = '%s -> %s' % (output, symlink_dest) |
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69 | |
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70 | print output |
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71 | else: |
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72 | if f[0] != '.': |
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73 | print f |
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74 | |
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75 | |
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76 | if __name__ == '__main__': |
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77 | import sys |
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78 | |
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79 | if len(sys.argv) > 1: |
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80 | for dir in sys.argv[1:]: |
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81 | hexls(dir) |
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82 | else: |
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83 | hexls('.') |
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84 | |
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85 | # EOB |
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86 | |
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