1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
#
# Module: Vyatta::VPNUtil.pm
#
# **** License ****
# 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.
#
# 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.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2005, 2006, 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Marat
# Date: 2007
# Description:
#
# **** End License ****
#
package Vyatta::VPN::Util;
use strict;
use warnings;
our @EXPORT = qw(rsa_get_local_key_file LOCAL_KEY_FILE_DEFAULT rsa_get_local_pubkey
is_vpn_running vpn_debug enableICMP);
use base qw(Exporter);
use Vyatta::Config;
use POSIX qw(strftime);
use constant LOCAL_KEY_FILE_DEFAULT
=> '/opt/vyatta/etc/config/ipsec.d/rsa-keys/localhost.key';
sub is_vpn_running {
return ( -e '/var/run/pluto.ctl');
}
sub rsa_get_local_key_file {
my $file = LOCAL_KEY_FILE_DEFAULT;
#
# Read configuration tree
#
my $vc = new Vyatta::Config();
$vc->setLevel('vpn');
my $key_file_override = $vc->returnOrigValue('rsa-keys local-key file');
#
# We'll assume validation for valid path/file was handled in the
# commit.
#
$file = $key_file_override if defined($key_file_override);
return $file
}
sub rsa_get_local_pubkey {
my ($file) = @_;
open(my $dat, '<', $file)
or return 0;
my @raw_data=<$dat>;
close($dat);
foreach my $line (@raw_data) {
my $file_pubkey;
if (($file_pubkey) = ($line =~ m/\s+\#pubkey=(\S+)/)) {
return $file_pubkey;
}
}
return 0;
}
sub vpn_debug {
my $timestamp = strftime("%Y%m%d-%H:%M.%S", localtime);
open my $log, '>>', "/var/log/vpn-debug.log"
or return;
print {$log} "$timestamp: ", @_ , "\n";
close $log;
}
sub vpn_log {
my ($msg) = @_;
open my $log, '>>', "/tmp/ipsec.log"
or return;
my $timestamp = strftime("%Y-%m-%d %H:%M.%S", localtime);
print {$log} "$timestamp\nLog: $msg\n";
close $log;
}
sub vpn_system {
my ($cmdline) = @_;
vpn_debug("START $cmdline");
my $ret = system($cmdline);
if ($ret) {
vpn_debug("END ERROR $cmdline");
} else {
vpn_debug("END OK $cmdline");
}
}
sub enableICMP {
my ($enable) = @_;
opendir my $dir, '/proc/sys/net/ipv4/conf/'
or return;
my @nodes = grep !/^\./, readdir $dir;
closedir $dir;
foreach my $node (@nodes) {
open my $out, '>', "/proc/sys/net/ipv4/conf/$node/accept_redirects"
or return;
print {$out} $enable;
close $out;
open $out, '>', "/proc/sys/net/ipv4/conf/$node/send_redirects"
or return;
print {$out} $enable;
close $out;
}
return 1;
}
1;
|
