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Member "vpnc-0.5.3/pcf2vpnc" (19 Nov 2008, 3902 Bytes) of package /linux/privat/old/vpnc-0.5.3.tar.gz:


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    1 #!/usr/bin/perl
    2 # Stefan Tomanek <stefan@pico.ruhr.de>
    3 # updated by Wolfram Sang <ninja@the-dreams.de> on 21.10.06 and on 26.06.07
    4 ##
    5 # pcf2vpnc <pcf file> [vpnc file]
    6 ##
    7 # This program is free software; you can redistribute it and/or modify
    8 # it under the terms of the GNU General Public License as published by
    9 # the Free Software Foundation; either version 2 of the License, or
   10 # (at your option) any later version.
   11 #             
   12 # This program is distributed in the hope that it will be useful,
   13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15 # GNU General Public License for more details.
   16 #
   17 # You should have received a copy of the GNU General Public License
   18 # along with this program; if not, write to the Free Software
   19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   20 #
   21 # $Id: pcf2vpnc 360 2008-11-19 11:14:48Z Joerg Mayer $
   22 
   23 use IO::File;
   24 use strict;
   25 use warnings;
   26 
   27 my %authmode = ( 1 => 'psk', 3 => 'cert', 5 => 'hybrid' );
   28 my $needs_cert = 0;
   29 my $no_decrypt = 0;
   30 if (system("cisco-decrypt", "q") == -1) {
   31     $no_decrypt = 1;
   32     print STDERR "cisco-decrypt not in search path,\n";
   33     print STDERR "  adding passwords in obfuscated form\n";
   34 }
   35 
   36 sub readPCF($) {
   37     my ($file) = @_;
   38     my %config;
   39     while (<$file>) {
   40     # Filter unnecessary chars at beginning & end of line
   41     s/^!*//; s/[\r ]*$//;
   42     if (/^(.*?)=(.*?)$/) {
   43         # We don't need emtpy config strings
   44         next if ($2 eq "");
   45         if ($1 eq "Host") {
   46         $config{IPSec}{gateway} = $2;
   47         } elsif ($1 eq "GroupName") {
   48         $config{IPSec}{ID} = $2;
   49         } elsif ($1 eq "GroupPwd") {
   50         $config{IPSec}{secret} = $2;
   51         } elsif ($1 eq "enc_GroupPwd") {
   52         if ($no_decrypt) {
   53             $config{IPSec}{obfuscated} = "secret $2";
   54         } else {
   55             $config{IPSec}{secret} = `cisco-decrypt $2`;
   56         }
   57         } elsif ($1 eq "AuthType") {
   58         $config{IKE}{Authmode} = $authmode{$2};
   59         if ($2 == 3 || $2 == 5) {
   60           $needs_cert = 1;
   61         }
   62         } elsif ($1 eq "DHGroup") {
   63         $config{IKE}{DH} = "Group dh$2";
   64         } elsif ($1 eq "Username") {
   65         $config{Xauth}{username} = $2;
   66         } elsif ($1 eq "UserPassword") {
   67         $config{Xauth}{password} = $2;
   68         } elsif ($1 eq "enc_UserPassword") {
   69         if ($no_decrypt) {
   70             $config{Xauth}{obfuscated} = "password $2";
   71         } else {
   72             $config{Xauth}{password} = `cisco-decrypt $2`;
   73         }
   74         } elsif ($1 eq "NTDomain") {
   75         $config{Domain}{""} = $2;
   76         }
   77     }
   78     }
   79     return \%config;
   80 }
   81 
   82 sub writeVPNC($) {
   83     my ($config) = @_;
   84     my $text = "## generated by pcf2vpnc\n";
   85     foreach my $section (keys %$config) {
   86     foreach my $item (keys %{ $config->{$section} }) {
   87         $text .= "$section ".($item ? "$item " : '').$config->{$section}{$item}."\n";
   88     }
   89     }
   90     unless (defined $config->{Xauth}) {
   91     $text .= "\n## To add your username and password,\n";
   92     $text .= "## use the following lines:\n";
   93     $text .= "# Xauth username <your username>\n";
   94     $text .= "# Xauth password <your password>\n";
   95     }
   96     return $text;
   97 }
   98 
   99 if (defined $ARGV[0]) {
  100     my $src = new IO::File($ARGV[0]) || die "Unable to open file ".$ARGV[0]."\n";
  101     if (defined $ARGV[1]) {
  102     my $dst = new IO::File($ARGV[1], "w") || die "Unable to open file ".$ARGV[1]."\n";
  103     $dst->write( writeVPNC(readPCF($src)) ) || die "Unable to write to file ".$ARGV[1]."\n";
  104     $dst->close() || die "Unable to close file ".$ARGV[1]."\n";
  105     printf STDERR "vpnc config written to '%s' with permissions '%04o'.\n", $ARGV[1], (stat($ARGV[1]))[2];
  106     print  STDERR "Please take care of permissions.\n";
  107     } else {
  108     print writeVPNC(readPCF($src));
  109     }
  110     $src->close() || die "Unable to close file ".$ARGV[0]."\n";
  111     if ($needs_cert) {
  112     print STDERR "\nDon't forget to copy the needed certificate(s).\n\n";
  113     }
  114 } else {
  115     print STDERR "$0 converts VPN-config files from pcf to vpnc-format.\n";
  116     print STDERR "Usage: $0 <pcf file> [vpnc file]\n";
  117 }