/usr/share/perl5/EBox/OpenVPN/LogHelper.pm is in zentyal-openvpn 2.3.10+quantal1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 | # Copyright (C) 2008-2012 eBox Technologies S.L.
#
# 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.
#
# 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
# Class: EBox::OpenVPN::LogHelper;
package EBox::OpenVPN::LogHelper;
use base 'EBox::LogHelper';
use strict;
use warnings;
use EBox;
use EBox::Config;
use EBox::Gettext;
use constant TABLE_NAME => 'openvpn';
sub new
{
my ($class, $openvpn, %params) = @_;
my $self = $class->SUPER::new(@_);
$self->{openvpn} = $openvpn;
bless($self, $class);
$self->_populateLogFiles();
return $self;
}
# Method: logFiles
#
# This function must return the file or files to be read from.
#
# Returns:
#
# array ref - containing the whole paths
#
sub logFiles
{
my ($self) = @_;
my @logFiles = keys %{ $self->{logFiles} };
return \@logFiles;
}
sub _populateLogFiles
{
my ($self) = @_;
$self->{logFiles} = $self->_logFilesFromDaemons();
}
sub _logFilesFromDaemons
{
my ($self) = @_;
my %logFiles;
foreach my $daemon ($self->{openvpn}->daemons) {
next if not $daemon->isEnabled();
my $file = $daemon->logFile;
my $name = $daemon->name;
my $type = $daemon->type;
$logFiles{$file} = {
name => $name,
type => $type,
};
}
return \%logFiles;
}
# Method: processLine
#
# This fucntion will be run every time a new line is recieved in
# the associated file. You must parse the line, and generate
# the messages which will be logged to ebox through an object
# implementing EBox::AbstractLogger interface.
#
# Parameters:
#
# file - file name
# line - string containing the log line
# dbengine- An instance of class implemeting AbstractDBEngineinterface
#
sub processLine # (file, line, logger)
{
my ($self, $file, $line, $dbengine) = @_;
my ($wday, $month, $mday, $time, $year, $msg) = split '\s+', $line, 6;
my $eventInfo = $self->_eventFromMsg($msg);
if (not defined $eventInfo) {
return;
}
my $event = $eventInfo->{name};
my $fromIp = $eventInfo->{fromIp};
my $fromCert = $eventInfo->{fromCert};
my $extraInfo = $eventInfo->{extraInfo};
my $daemon = $self->{logFiles}->{$file};
my $name = $daemon->{name};
my $type = $daemon->{type};
my $timestamp = $self->_convertTimestamp('%b %e %H:%M:%S %Y', "$month $mday $time $year");
my $dbRow = {
timestamp => $timestamp,
event => $event,
daemon_name => $name,
daemon_type => $type,
from_ip => $fromIp,
from_cert => $fromCert,
};
$dbengine->insert(TABLE_NAME, $dbRow);
}
my %callbackByRe = (
qr{^Initialization Sequence Completed$} =>\&_startedEvent,
qr{
^([\d\.]+?):\d+\s # client ip:port
VERIFY\s([\w\s]+):\s # VERIFY [status]:
(.*)$ # more information (containst the client's certificatw)
}x =>\&_verifyEvent,
qr{
^[\d\.]+:\d+\s # client ip and port
\[(.*?)\]\s # client certificate CN
Peer\sConnection\sInitiated\swith\s
\[AF_.*\]([\d\.]+?):\d+$ # client ip and port (we will use this instead of the first)
}x => \&_peerConnectionEvent,
qr{
\[(.*?)\]\s # server certificate CN
Peer\sConnection\sInitiated\swith\s
([\d\.]+?):\d+$ # server ip and port (we will use this instead of the first)
}x =>\&_peerServerConnectionEvent,
qr{
^(.*?)/(.*?):\d+\s #[client cn]/[ip]:[port]
.+\[.+\]\sreceived,\s # Reason for connection reset
client-instance\s.+$
}x =>\&_connectionResetEvent,
qr{
^Connection\sreset,\srestarting.*$
}x =>\&_connectionResetByServerEvent,
);
sub _eventFromMsg
{
my ($self, $msg) = @_;
foreach my $re (keys %callbackByRe) {
if ($msg =~ $re) {
return $callbackByRe{$re}->($msg);
}
}
return undef;
}
sub _startedEvent
{
return { name => 'initialized' };
}
sub _verifyEvent
{
my $ip = $1;
my $status = $2;
my $extraInfo = $3;
my $cert = undef;
my $event;
if ($status eq 'OK') {
# we ignore the verification ok event for now
return undef;
}elsif ($status eq 'X509NAME ERROR' ) {
$event = 'verificationNameError';
($cert) = split ',', $extraInfo,
2; # in this case extraInfo contains: [certificate],
# [advice]
}elsif ($status =~ /ERROR/) {
if ($extraInfo =~
m/error=unable to get local issuer certificate: (.*)$/)
{
$event = 'verificationIssuerError';
$cert = $1;
}else {
$event = 'verificationError';
# try to guess the certificate. No garantee
if ($extraInfo =~ m/\s([^\s]*?CN=[^\s]*?)[\s,.]|$/) {
$cert = $1;
}
}
}else {
EBox::error("unknown openvpn verification status: $status");
return undef;
}
return {
name => $event,
fromCert => $cert,
fromIp => $ip,
};
}
sub _peerConnectionEvent
{
my $cn = $1;
my $ip = $2;
return {
name => 'connectionInitiated',
fromCert => $cn,
fromIp => $ip,
}
}
sub _peerServerConnectionEvent
{
my $cn = $1;
my $ip = $2;
return {
name => 'serverConnectionInitiated',
fromCert => $cn,
fromIp => $ip,
};
}
sub _connectionResetEvent
{
my $cn = $1;
my $ip = $2;
return {
name => 'connectionReset',
fromCert => $cn,
fromIp => $ip,
};
}
sub _connectionResetByServerEvent
{
return {
name => 'connectionResetByServer',
};
}
1;
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