118 lines
3.8 KiB
Perl
Executable File
118 lines
3.8 KiB
Perl
Executable File
#!/usr/bin/env perl
|
|
# Stefan Tomanek <stefan@pico.ruhr.de>
|
|
# updated by Wolfram Sang <ninja@the-dreams.de> on 21.10.06 and on 26.06.07
|
|
##
|
|
# pcf2vpnc <pcf file> [vpnc file]
|
|
##
|
|
# This program 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; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program 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 this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
# $Id$
|
|
|
|
use IO::File;
|
|
use strict;
|
|
use warnings;
|
|
|
|
my %authmode = ( 1 => 'psk', 3 => 'cert', 5 => 'hybrid' );
|
|
my $needs_cert = 0;
|
|
my $no_decrypt = 0;
|
|
if (system("cisco-decrypt", "q") == -1) {
|
|
$no_decrypt = 1;
|
|
print STDERR "cisco-decrypt not in search path,\n";
|
|
print STDERR " adding passwords in obfuscated form\n";
|
|
}
|
|
|
|
sub readPCF($) {
|
|
my ($file) = @_;
|
|
my %config;
|
|
while (<$file>) {
|
|
# Filter unnecessary chars at beginning & end of line
|
|
s/^!*//; s/[\r ]*$//;
|
|
if (/^(.*?)=(.*?)$/) {
|
|
# We don't need emtpy config strings
|
|
next if ($2 eq "");
|
|
if ($1 eq "Host") {
|
|
$config{IPSec}{gateway} = $2;
|
|
} elsif ($1 eq "GroupName") {
|
|
$config{IPSec}{ID} = $2;
|
|
} elsif ($1 eq "GroupPwd") {
|
|
$config{IPSec}{secret} = $2;
|
|
} elsif ($1 eq "enc_GroupPwd") {
|
|
if ($no_decrypt) {
|
|
$config{IPSec}{obfuscated} = "secret $2";
|
|
} else {
|
|
$config{IPSec}{secret} = `cisco-decrypt $2`;
|
|
}
|
|
} elsif ($1 eq "AuthType") {
|
|
$config{IKE}{Authmode} = $authmode{$2};
|
|
if ($2 == 3 || $2 == 5) {
|
|
$needs_cert = 1;
|
|
}
|
|
} elsif ($1 eq "DHGroup") {
|
|
$config{IKE}{DH} = "Group dh$2";
|
|
} elsif ($1 eq "Username") {
|
|
$config{Xauth}{username} = $2;
|
|
} elsif ($1 eq "UserPassword") {
|
|
$config{Xauth}{password} = $2;
|
|
} elsif ($1 eq "enc_UserPassword") {
|
|
if ($no_decrypt) {
|
|
$config{Xauth}{obfuscated} = "password $2";
|
|
} else {
|
|
$config{Xauth}{password} = `cisco-decrypt $2`;
|
|
}
|
|
} elsif ($1 eq "NTDomain") {
|
|
$config{Domain}{""} = $2;
|
|
}
|
|
}
|
|
}
|
|
return \%config;
|
|
}
|
|
|
|
sub writeVPNC($) {
|
|
my ($config) = @_;
|
|
my $text = "## generated by pcf2vpnc\n";
|
|
foreach my $section (keys %$config) {
|
|
foreach my $item (keys %{ $config->{$section} }) {
|
|
$text .= "$section ".($item ? "$item " : '').$config->{$section}{$item}."\n";
|
|
}
|
|
}
|
|
unless (defined $config->{Xauth}) {
|
|
$text .= "\n## To add your username and password,\n";
|
|
$text .= "## use the following lines:\n";
|
|
$text .= "# Xauth username <your username>\n";
|
|
$text .= "# Xauth password <your password>\n";
|
|
}
|
|
return $text;
|
|
}
|
|
|
|
if (defined $ARGV[0]) {
|
|
my $src = new IO::File($ARGV[0]) || die "Unable to open file ".$ARGV[0]."\n";
|
|
if (defined $ARGV[1]) {
|
|
my $dst = new IO::File($ARGV[1], "w") || die "Unable to open file ".$ARGV[1]."\n";
|
|
$dst->write( writeVPNC(readPCF($src)) ) || die "Unable to write to file ".$ARGV[1]."\n";
|
|
$dst->close() || die "Unable to close file ".$ARGV[1]."\n";
|
|
printf STDERR "vpnc config written to '%s' with permissions '%04o'.\n", $ARGV[1], (stat($ARGV[1]))[2];
|
|
print STDERR "Please take care of permissions.\n";
|
|
} else {
|
|
print writeVPNC(readPCF($src));
|
|
}
|
|
$src->close() || die "Unable to close file ".$ARGV[0]."\n";
|
|
if ($needs_cert) {
|
|
print STDERR "\nDon't forget to copy the needed certificate(s).\n\n";
|
|
}
|
|
} else {
|
|
print STDERR "$0 converts VPN-config files from pcf to vpnc-format.\n";
|
|
print STDERR "Usage: $0 <pcf file> [vpnc file]\n";
|
|
}
|