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initial commit of file from CVS for smeserver-libreswan on Sat Sep 7 20:32:54 AEST 2024

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This commit is contained in:
Trevor Batley 2024-09-07 20:32:54 +10:00
parent ac540026c3
commit 1fcd21517b
33 changed files with 1602 additions and 2 deletions
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.gitignore vendored Normal file
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*.rpm
*.log
*spec-20*
*.tar.gz

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# Makefile for source rpm: smeserver-libreswan
# $Id: Makefile,v 1.1 2021/02/22 16:03:26 brianr Exp $
NAME := smeserver-libreswan
SPECFILE = $(firstword $(wildcard *.spec))
define find-makefile-common
for d in common ../common ../../common ; do if [ -f $$d/Makefile.common ] ; then if [ -f $$d/CVS/Root -a -w $$/Makefile.common ] ; then cd $$d ; cvs -Q update ; fi ; echo "$$d/Makefile.common" ; break ; fi ; done
endef
MAKEFILE_COMMON := $(shell $(find-makefile-common))
ifeq ($(MAKEFILE_COMMON),)
# attept a checkout
define checkout-makefile-common
test -f CVS/Root && { cvs -Q -d $$(cat CVS/Root) checkout common && echo "common/Makefile.common" ; } || { echo "ERROR: I can't figure out how to checkout the 'common' module." ; exit -1 ; } >&2
endef
MAKEFILE_COMMON := $(shell $(checkout-makefile-common))
endif
include $(MAKEFILE_COMMON)

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# smeserver-libreswan # <img src="https://www.koozali.org/images/koozali/Logo/Png/Koozali_logo_2016.png" width="25%" vertical="auto" style="vertical-align:bottom"> smeserver-libreswan
SMEServer Koozali developed git repo for smeserver-libreswan smecontribs SMEServer Koozali developed git repo for smeserver-libreswan smecontribs
## Wiki
<br />https://wiki.koozali.org/Libreswan
<br />https://wiki.koozali.org/Libreswan_IPSEC
<br />https://wiki.koozali.org/Libreswan-xl2tpd
<br />https://wiki.koozali.org/Smeserver-libreswan-xl2tpd
## Bugzilla
Show list of outstanding bugs: [here](https://bugs.koozali.org/buglist.cgi?component=smeserver-libreswan&product=SME%20Contribs&query_format=advanced&limit=0&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=CONFIRMED)
## Description
<br />*This description has been generated by an LLM AI system and cannot be relied on to be fully correct.*
*Once it has been checked, then this comment will be deleted*
<br />

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GNU GENERAL PUBLIC LICENSE
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contribs10

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#! /usr/bin/perl -w
# Need some thought on when the templates should be expanded and when the action should be called.
use esmith::Build::CreateLinks qw(:all);
# our event specific for updating with yum without reboot
$event = "smeserver-libreswan-update";
#add here the path to your templates needed to expand
#see the /etc/systemd/system-preset/49-koozali.preset should be present for systemd integration on all you yum update event
foreach my $file (qw(
/etc/systemd/system-preset/49-koozali.preset
/etc/ipsec.conf
/etc/ipsec.secrets
/etc/ipsec.d/ipsec.conf
/etc/ipsec.d/ipsec.secrets
/etc/rc.d/init.d/masq
/etc/sysctl.conf
))
{
templates2events($file, qw(
smeserver-libreswan-update
post-upgrade
console-save
bootstrap-console-save
remoteaccess-update
));
}
#action needed in case we have a systemd unit
event_link("systemd-default", $event, "10");
event_link("systemd-reload", $event, "50");
#action specific to this package
foreach my $event_link (qw (
smeserver-libreswan-update
remoteaccess-update
console-save
))
{
event_link("ipsec-update", $event_link, "60");
}
#services we need to restart
safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/ipsec");
safe_symlink("adjust", "root/etc/e-smith/events/$event/services2adjust/masq");
# Set up generic logfile timestamp renaming/symlinking
foreach (qw(
/var/log/pluto/pluto.log
))
{
safe_touch "root/etc/e-smith/events/logrotate/logfiles2timestamp/$_";
}
#--------------------------------------------------
# actions for logrotate event
#--------------------------------------------------
$event = "logrotate";
safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/ipsec");

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500,4500

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private

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start

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tunnel

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none

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restart

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30

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10

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3600s

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yes

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%defaultroute

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yes

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28800s

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secret

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disabled

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service

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#!/usr/bin/perl -w
#----------------------------------------------------------------------
# Ipsec actions
# Copyright (C) 2015 John Crisp
#
# 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 or 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
#----------------------------------------------------------------------
# Note that we do not need to use the init ipsec script - we can start and
# stop directly using /usr/sbin/ipsec which will call the init script
# Probably ought to check somewhere that the status of services is public
# But if it is private then you have to re-expand masq someplace
use strict;
use warnings;
use esmith::ConfigDB;
my $configDB = esmith::ConfigDB->open or die("can't open Config DB");
my $ipsecDB = esmith::ConfigDB->open('ipsec_connections')
or die("Ipsec Error - cant connect to ipsec database");
my $ipsecDBkey = 'ipsec';
my $xl2tpdDBkey = 'xl2tpd';
my $xl2tpdipsecprop = "L2TPD-PSK";
# Check on access status - we'll use this later
# If status goes to disabled we should set this private
my $ipsec_access = $configDB->get_prop( $ipsecDBkey, 'access' ) || 'private';
print "Ipsec Information - IpsecAccessState: $ipsec_access\n";
# If the service is set disabled then make sure it is stopped
# Note that ipsec is not a service so we cannot use the normal service commands
if ( $configDB->get_prop( $ipsecDBkey, 'status' ) eq 'disabled' ) {
# Always reset redirects on stop
print "Ipsec Information - reset redirects";
resetRedirects();
# Sort out xl2tpd - if ipsec is disabled it has to be stopped
print "Xl2tpd Information - ipsec is disabled - Stopping xl2tpd \n";
my $myStopXl2tpd = qx(/etc/rc.d/init.d/xl2tpd stop) || die("xl2tpd Error - Unable to launch xl2tpd stop : $!\n");
if ( not defined $myStopXl2tpd ) {
die("Ipsec Error - Unable to stop xl2tpd( error code $?)\n") if $?;
}
# Do we check if it is already stopped ?
# For now we stop it regardless
print "Ipsec Information - ipsec disabled - Stopping ipsec \n";
my $myStopConnection = qx(/etc/rc.d/init.d/ipsec stop) || die("Ipsec Error - Unable to launch ipsec stop : $!\n");
if ( not defined $myStopConnection ) {
die("Ipsec Error - Unable to stop ipsec( error code $?)\n") if $?;
}
exit 0;
}
# If the ipsec service is set to enabled AND running (then check the connections)
if ( $configDB->get_prop( $ipsecDBkey, 'status' ) eq 'enabled' ) {
# Sort out xl2tpd - if ipsec is enabled, AND xl2tpd then see if it is started
my $xl2tpdstatus = $configDB->get_prop( $xl2tpdDBkey, 'status' ) || 'disabled';
if ( $xl2tpdstatus eq 'enabled' ) {
my $xl2tpdService = (`ps ax | grep -v grep | grep xl2tpd`);
#If the service is not running then start it
unless ( $xl2tpdService =~ m/xl2tpd/ ) {
print "Xl2tpd Information - xl2tpd enabled but stopped - restarting xl2tpd \n";
my $myStartXl2tpd = qx(/etc/rc.d/init.d/xl2tpd restart)
|| die("xl2tpd Error - Unable to launch xl2tpd restart : $!\n");
if ( not defined $myStartXl2tpd ) {
die("Ipsec Error - Unable to stop xl2tpd( error code $?)\n") if $?;
}
}
}
my $status = (`ps ax | grep -v grep | grep pluto`);
# If the ipsec service is running
if ( $status =~ m/_plutorun/ ) {
# Lets do some stuff
print "Ipsec Information - ipsec is running !\n";
# make sure reDirects are right
setRedirects();
# Load the connections
my @connections = $ipsecDB->keys;
foreach my $ipsecprop (@connections) {
#Check the individual connection status
my $ipsecstatus = $ipsecDB->get_prop( "$ipsecprop", 'status' )
|| "disabled";
# What type of connection are we ?
my $connection = $ipsecDB->get_prop( "$ipsecprop", 'auto' ) || '';
# Lets check the last state and if it doesn't exist set it disabled
if ( not defined( $ipsecDB->get_prop( $ipsecprop, 'PreviousState' ) ) ) {
my $previpsecstatus = "disabled";
$ipsecDB->set_prop( $ipsecprop, "PreviousState", $previpsecstatus );
}
# Now we should have it
my $previpsecstatus = $ipsecDB->get_prop( $ipsecprop, 'PreviousState' );
print "Ipsec Information - PrevState: $previpsecstatus CurrState: $ipsecstatus\n";
# Lets reread secrets anyway
print "Ipsec Information - Restart - ReReading Secrets\n";
my $reread = qx(/usr/sbin/ipsec auto --rereadsecrets);
die("Ipsec Error - Unable launch ipsec reread secrets : $!\n")
if not defined $reread;
die("Ipsec Error - Unable to reread ipsec secrets ( error code $?)\n")
if $?;
# If we are enabled
if ( ( $previpsecstatus eq "enabled" )
&& ( $ipsecstatus eq "enabled" ) ) {
# Restart
print "Ipsec Information - Restarting connection - $ipsecprop\n";
# Have to use system here as replace usually returns 1280
# Replace just rereads the config and does --delete --add
system("/usr/sbin/ipsec auto --replace $ipsecprop");
print "Ipsec Information - Restart system - replace return code: $?\n";
# If connection = start then bring it up
if ( $connection eq 'start' ) {
print "Ipsec Information - En - En - Auto --async --up $ipsecprop\n";
# If it is start rather than add we try and force it to come up
startConnection($ipsecprop);
print "Ipsec Information - En - En auto --up\n";
print "Ipsec Information - Restart system - up return code: $?\n";
}
# Set Previous status
changeState( $ipsecprop, $ipsecstatus );
}
# If status is disabled then stop it
elsif (( $previpsecstatus eq "disabled" )
&& ( $ipsecstatus eq "disabled" ) ) {
# Stop
print "Ipsec Information - Stop connection - $ipsecprop\n";
stopConnection($ipsecprop);
# Set Previous status
changeState( $ipsecDBkey, $ipsecstatus );
}
# If status was disabled and now enabled then start it
elsif (( $previpsecstatus eq "disabled" )
&& ( $ipsecstatus eq "enabled" ) ) {
# Start
print "Enabling connection $ipsecprop\n";
# Have to use system here as replace usually returns 1280 and not 0
system("/usr/sbin/ipsec auto --replace $ipsecprop");
print "Ipsec Information - Restart system - return code: $?\n";
if ( $connection eq 'start' ) {
# Have to use exec here as system waits for a return and if the connection
# does not come up it will just hang. So fire 'n forget
print "Ipsec Information - Dis- En - - Auto --async --up $ipsecprop\n";
startConnection($ipsecprop);
print "Ipsec Information - Dis - En auto --up\n";
print "Ipsec Information - Restart system - up return code: $?\n";
#or die "exec failed!";
}
# Set Previous status
changeState( $ipsecprop, $ipsecstatus );
}
# If status was enabled and now disabled then stop it
elsif (( $previpsecstatus eq "enabled" )
&& ( $ipsecstatus eq "disabled" ) ) {
# Stop and remove - do we need to ?
print "Ipsec Information - Stopping connection $ipsecprop\n ";
stopConnection($ipsecprop);
# Set Previous status
changeState( $ipsecprop, $ipsecstatus );
}
# Should never be here as it means the statuses are other than enabled or disabled
else {
print "Ipsec Error - Something went wrong with ipsec connection status\n";
}
}
}
# If it isn't running then start it up
# Auto connections start themselves. Added connections wait
else {
print "Ipsec Information - Disable Reverse Path Filtering\n";
setRedirects();
# Make sure access = public
unless ( $ipsec_access eq 'public' ) {
$configDB->set_prop( $ipsecDBkey, 'access', 'public' );
}
print "Ipsec Information - ipsec enabled - Starting ipsec\n ";
my $myStartConnection = qx(/etc/rc.d/init.d/ipsec start);
die("Ipsec Error - Unable to launch ipsec start : $!\n ")
if not defined $myStartConnection;
die("Ipsec Error - Unable to launch ipsec start ( error code $?)\n ") if $?;
exit 0;
}
exit 0;
}
#### Subroutines here
sub changeState {
#@_ contains $ipsecDBkey and $ipsecstatus
$ipsecDB->set_prop( $_[0], 'PreviousState', $_[1] );
}
sub startConnection {
system("/usr/sbin/ipsec auto --asynchronous --up $_[0]");
}
sub stopConnection {
print "Ipsec Information - SubRoutine - stop connection $_[0]\n ";
system("/usr/sbin/ipsec auto --down $_[0]");
print "Ipsec Information - system down code: $?\n";
system("/usr/sbin/ipsec auto --delete $_[0]");
print "Ipsec Information - system delete code: $?\n";
}
sub setRedirects {
my $internalIf = $configDB->get_prop( 'InternalInterface', 'Name' );
my $externalIf = $configDB->get_prop( 'ExternalInterface', 'Name' );
# Big warning - this is a potential security issue
# Make sure you read and understand what happens !
# If I knew which specific interfaces to change we could reduce the lines here
system("/sbin/sysctl -w net.ipv4.conf.all.send_redirects=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.default.send_redirects=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.all.accept_redirects=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.default.accept_redirects=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.default.rp_filter=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.all.rp_filter=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.$externalIf.rp_filter=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
system("/sbin/sysctl -w net.ipv4.conf.$internalIf.rp_filter=0") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
}
sub resetRedirects {
# /etc/syctl.conf is expanded on ipsec-update
# This should reload the file - if ipsec is disabled it should reset to defaults
# If ipsec is enabled it should disable rp_filtering
system("/sbin/sysctl -p") == 0
or die("Ipsec Error - A problem occurred with sysctl: $?");
}

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{
use strict;
use warnings;
use esmith::ConfigDB;
my $configDB = esmith::ConfigDB->open_ro or die("can't open Config DB");
my $dbKey = 'ipsec';
my $systemMode = $configDB->get("SystemMode")->value;
my $ipsecStatus = $configDB->get_prop( $dbKey, 'status' ) || 'disabled';
if ( $systemMode ne 'servergateway' ) {
$OUT .= "# System not in Server Gateway mode\n";
}
elsif ( $ipsecStatus ne 'enabled' ) {
$OUT .= "# Ipsec not enabled\n";
}
else {
my $ipsecDB = esmith::ConfigDB->open_ro('ipsec_connections')
or die("cant connect to ipsec database");
my $dbKey = 'ipsec';
# Generic setup file
my $debugstatus = $configDB->get_prop( $dbKey, 'debug' ) || 'none';
my $keepalive = $configDB->get_prop( $dbKey, 'keepalive' ) || '';
# A standard config is included in the RPM but we need to generate a new one so we can modify settings
$OUT .= "config setup\n";
$OUT .= " protostack=netkey\n";
$OUT .= " plutodebug=$debugstatus\n";
$OUT .= " #klipsdebug=none\n";
$OUT .= " log=/var/log/pluto/pluto.log\n";
$OUT .= " dumpdir=/var/run/pluto/\n";
if ( $keepalive ne '' ) {
$OUT .= " keep-alive=$keepalive\n";
}
# This should get all the connections in an array
my @connections = $ipsecDB->keys;
my $virtual_private = '';
my @subnetArr = ();
foreach my $ipsecprop (@connections) {
# Note that L2TPD needs the localsubnet in here
# Second thoughts I don't think it does
# Only when you have subnet <-> subnet
my $ipsecstatus = $ipsecDB->get_prop( "$ipsecprop", 'status' ) || "disabled";
my $ipsecrecord = $ipsecDB->get($ipsecprop);
my $type = $ipsecrecord->prop('type');
if ( $ipsecstatus eq 'enabled' && ( $type eq 'ipsec' || $type eq 'xl2tpd' ) ) {
my $rightsubnet = $ipsecDB->get_prop( "$ipsecprop", 'rightsubnet' );
unless ($rightsubnet) {
warn("Warning $ipsecprop has no right subnet");
}
# Check if the network is a unique value
if ( $rightsubnet && !( $rightsubnet ~~ @subnetArr ) ) {
push( @subnetArr, $rightsubnet );
}
}
} # End foreach
$virtual_private .= " virtual-private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,";
unless ( @subnetArr == 0 ) {
# For NAT and vhost:%priv seting exclude any right subnets
foreach my $subnet (@subnetArr) {
$virtual_private .= "%v4:!$subnet,";
}
# Remove last character ','
chop($virtual_private);
$OUT .= "$virtual_private\n";
$OUT .= "\n";
} #end unless
# I think that this is all we really need. as long as we don't have complex subnets etc
# $OUT .= " virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12";
$OUT .= "include /etc/ipsec.d/ipsec.conf\n";
} # End else
# End
}

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{
use strict;
use warnings;
use esmith::ConfigDB;
use NetAddr::IP;
my $configDB = esmith::ConfigDB->open_ro or die("can't open Config DB");
my $dbKey = 'ipsec';
my $systemMode = $configDB->get("SystemMode")->value;
my $ipsecStatus = $configDB->get_prop( $dbKey, 'status' ) || 'disabled';
if ( $systemMode ne 'servergateway' ) {
$OUT .= "# System not in Server Gateway mode\n";
}
elsif ( $ipsecStatus ne 'enabled' ) {
$OUT .= "# Ipsec not enabled\n";
}
else {
my $ipsecDB = esmith::ConfigDB->open_ro('ipsec_connections')
or die("cant connect to ipsec database");
# This should get all the connections in an array
my @connections = $ipsecDB->keys;
$OUT .= "# ipsec.conf\n\n";
foreach my $ipsecprop (@connections) {
if ( $ipsecprop ne 'L2TPD-PSK' ) {
# first we verify if IPSec is enabled for the connection
my $ipsecstatus = $ipsecDB->get_prop( $ipsecprop, 'status' ) || 'disabled';
if ( $ipsecstatus eq 'enabled' ) {
$OUT .= "conn $ipsecprop\n";
# These should be from $configDB-> ipsec
# Not templated this - maybe later with L2TPD
# We currently use a password file but this could be integrated with other authent later
# Lazy - assume that it is security (password by default) - options are rsasig|certs
# Careful - property 'type' has a special meaning in configDB and returns 'service'
my $connectiontype = $configDB->get_prop( $dbKey, 'connectiontype' )
|| 'tunnel';
$OUT .= " type=$connectiontype\n";
my $security = $ipsecDB->get_prop( $ipsecprop, 'security' )
|| 'secret';
# my $certname = $ipsecDB->get_prop( "$ipsecprop", 'certname' ) || ''; ???? Is this required ?
if ( $security eq 'rsasig' ) {
$OUT .= " authby=rsasig\n";
my $leftrsasig = $ipsecDB->get_prop( $ipsecprop, 'leftrsasig' )
|| '';
$OUT .= " leftrsasigkey=$leftrsasig\n";
my $rightrsasig = $ipsecDB->get_prop( $ipsecprop, 'rightrsasig' )
|| '';
$OUT .= " rightrsasigkey=$rightrsasig\n";
}
elsif ( $security eq 'certs' ) {
$OUT .= " authby=rsasig\n";
my $leftrsasig = $ipsecDB->get_prop( $ipsecprop, 'leftrsasig' )
|| '%cert';
$OUT .= " leftrsasigkey=$leftrsasig\n";
my $rightrsasig = $ipsecDB->get_prop( $ipsecprop, 'rightrsasig' )
|| '%cert';
$OUT .= " rightrsasigkey=$rightrsasig\n";
my $leftcert = $ipsecDB->get_prop( $ipsecprop, 'leftcert' )
|| '"LeftCertName"';
$OUT .= " leftcert=\"$leftcert\"\n";
my $rightcert = $ipsecDB->get_prop( $ipsecprop, 'rightcert' )
|| '"RightCertName"';
$OUT .= " rightcert=\"$rightcert\"\n";
}
else {
$OUT .= " authby=$security\n";
}
# Use connection value if it exists, if not use generic db value
my $auto =
$ipsecDB->get_prop( $ipsecprop, 'auto' )
|| $configDB->get_prop( $dbKey, 'auto' )
|| 'start';
# If we are a static host to a dynamic client we are always add
my $iptype = $ipsecDB->get_prop( $ipsecprop, 'iptype' ) || '';
if ( $iptype eq 'stattodyn' ) {
$OUT .= " auto=add\n";
}
else {
$OUT .= " auto=$auto\n";
}
# We should change ipsecversion to 'ikev2'
my $ipsecversion =
$ipsecDB->get_prop( $ipsecprop, 'ipsecversion' )
|| $configDB->get_prop( $dbKey, 'ipsecversion' )
|| 'permit';
$OUT .= " ikev2=$ipsecversion\n";
# Set the Phase one and Phase two default strengths - these are set to aes
my $ike =
$ipsecDB->get_prop( $ipsecprop, 'ike' )
|| $configDB->get_prop( $dbKey, 'ike' )
|| 'aes-sha1';
$OUT .= " ike=$ike\n";
# We should change phase2 to phase2alg
my $phase2 =
$ipsecDB->get_prop( $ipsecprop, 'phase2' )
|| $configDB->get_prop( $dbKey, 'phase2' )
|| 'aes-sha1';
$OUT .= " phase2alg=$phase2\n";
# mtu can only be set per connection
my $mtu = $ipsecDB->get_prop( $ipsecprop, 'mtu' )
|| '';
unless ( $mtu eq '' ) {
$OUT .= " mtu=$mtu\n";
}
# These should be from $configDB-> ipsec unless they exist in ipsec_connections
my $forceencaps =
$ipsecDB->get_prop( $ipsecprop, 'forceencaps' )
|| $configDB->get_prop( $dbKey, 'forceencaps' )
|| 'no';
$OUT .= " encapsulation=$forceencaps\n";
my $keyingtries =
$ipsecDB->get_prop( $ipsecprop, 'keyingtries' )
|| $configDB->get_prop( $dbKey, 'keyingtries' )
|| '%forever';
$OUT .= " keyingtries=$keyingtries\n";
# Following come from ipsecDB or configDB or hardcoded
my $ikelifetime =
$ipsecDB->get_prop( $ipsecprop, 'ikelifetime' )
|| $configDB->get_prop( $dbKey, 'ikelifetime' )
|| '3600s';
$OUT .= " ikelifetime=$ikelifetime\n";
my $salifetime =
$ipsecDB->get_prop( $ipsecprop, 'salifetime' )
|| $configDB->get_prop( $dbKey, 'salifetime' )
|| '28800s';
$OUT .= " salifetime=$salifetime\n";
# Add is for incoming and is better that server dpd is ignored
# Disabled for now
# if ( $auto ne 'add' ) {}
my $dpdaction =
$ipsecDB->get_prop( $ipsecprop, 'dpdaction' )
|| $configDB->get_prop( $dbKey, 'dpdaction' )
|| 'restart';
$OUT .= " dpdaction=$dpdaction\n";
my $dpddelay =
$ipsecDB->get_prop( $ipsecprop, 'dpddelay' )
|| $configDB->get_prop( $dbKey, 'dpddelay' )
|| '30';
$OUT .= " dpddelay=$dpddelay\n";
my $dpdtimeout =
$ipsecDB->get_prop( $ipsecprop, 'dpdtimeout' )
|| $configDB->get_prop( $dbKey, 'dpdtimeout' )
|| '10';
$OUT .= " dpdtimeout=$dpdtimeout\n";
# default to yes unless overridden in the connection db
my $pfs = $ipsecDB->get_prop( $ipsecprop, 'pfs' ) || 'yes';
$OUT .= " pfs=$pfs\n";
# Following come from ipsecDB or configDB or hardcoded
my $left =
$ipsecDB->get_prop( $ipsecprop, 'left' )
|| $configDB->get_prop( $dbKey, 'left' )
|| '%defaultroute';
$OUT .= " left=$left\n";
if ( $security eq 'certs' ) {
my $leftid = ( $ipsecDB->get_prop( $ipsecprop, 'leftid' ) || '%fromcert' );
$OUT .= " leftid=$leftid\n";
}
# These ONLY come from the ipsec_configurations db
elsif ( ( my $leftid = $ipsecDB->get_prop( $ipsecprop, 'leftid' ) || '' ) ne '' ) {
$OUT .= " leftid=$leftid\n";
}
# Left sourceIP and leftsubnet can be taken from the Internal interface
# but we can allow them to be overridden
#my $internalAddr = $configDB->get_prop( 'InternalInterface', 'IPAddress' );
my $internalMask = $configDB->get_prop( 'InternalInterface', 'Netmask' );
my $internalNetwork = $configDB->get_prop( 'InternalInterface', 'Network' );
my $ip = NetAddr::IP->new( $internalNetwork, $internalMask ) or die "Invalid host/mask";
my $internalCIDRNetwork = ( $ip->network() );
my $leftsourceip = $ipsecDB->get_prop( $ipsecprop, 'leftsourceip' )
|| $configDB->get_prop( 'InternalInterface', 'IPAddress' );
$OUT .= " leftsourceip=$leftsourceip\n";
my $leftsubnet = $ipsecDB->get_prop( $ipsecprop, 'leftsubnet' ) || $internalCIDRNetwork;
$OUT .= " leftsubnet=$leftsubnet\n";
# If we are a static host to a dynamic client we HAVE to set right %any
# Should never be empty
my $right = $ipsecDB->get_prop( $ipsecprop, 'right' ) || '%any';
if ( $iptype eq 'stattodyn' ) {
$OUT .= " right=%any\n";
}
else {
$OUT .= " right=$right\n";
}
if ( $security eq 'certs' ) {
my $rightid = ( $ipsecDB->get_prop( $ipsecprop, 'rightid' ) || '%fromcert' );
$OUT .= " rightid=$rightid\n";
}
elsif ( ( my $rightid = $ipsecDB->get_prop( $ipsecprop, 'rightid' ) || '' ) ne '' ) {
$OUT .= " rightid=$rightid\n";
}
my $rightsubnet = $ipsecDB->get_prop( $ipsecprop, 'rightsubnet' ) || '';
if ( $rightsubnet ne '' ) {
$OUT .= " rightsubnet=$rightsubnet\n";
}
my $reauth = $ipsecDB->get_prop( $ipsecprop, 'reauth' ) || '';
if ( $reauth eq 'y' || $reauth eq 'yes' || $reauth eq '1' ) {
$OUT .= " reauth=yes\n";
}
} # End if ( $ipsecstatus eq 'enabled' )
else {
$OUT .= "# conn $ipsecprop disabled\n";
}
} # End if ( $ipsecprop ne 'L2TPD-PSK' )
} # End foreach
} # End else
}

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{
use strict;
use warnings;
use esmith::ConfigDB;
my $configDB = esmith::ConfigDB->open_ro or die("can't open Config DB");
my $dbKey = 'ipsec';
my $systemMode = $configDB->get("SystemMode")->value;
my $ipsecStatus = $configDB->get_prop( $dbKey, 'status' ) || 'disabled';
if ( $systemMode ne 'servergateway' ) {
$OUT .= "# System not in Server Gateway mode\n";
}
elsif ( $ipsecStatus ne 'enabled' ) {
$OUT .= "# Ipsec not enabled\n";
}
else {
my $ipsecDB = esmith::ConfigDB->open_ro('ipsec_connections')
or die("cant connect to ipsec database");
# This should get all the connections in an array
my @connections = $ipsecDB->keys;
$OUT .= "# ipsec.secrets\n\n";
my $ExternalIP = $configDB->get_prop( "ExternalInterface", "IPAddress" );
foreach my $ipsecprop (@connections) {
if ( $ipsecprop ne 'L2TPD-PSK' ) {
# first we verify if IPSec is enabled for the connection
my $ipsecstatus = $ipsecDB->get_prop( $ipsecprop, 'status' )
|| "disabled";
if ( $ipsecstatus eq "enabled" ) {
my $right = $ipsecDB->get_prop( $ipsecprop, 'right' ) || '';
# Hmm..... if left is not set it defaults to %defaultroute which we don't want here
my $left = $ipsecDB->get_prop( $ipsecprop, 'left' ) || $ExternalIP;
my $security = $ipsecDB->get_prop( $ipsecprop, 'security' ) || 'secret';
my $iptype = $ipsecDB->get_prop( $ipsecprop, 'iptype' ) || '';
my $certname = $ipsecDB->get_prop( $ipsecprop, 'certname' ) || '';
my $passwd = $ipsecDB->get_prop( $ipsecprop, 'passwd' ) || '';
# Double quote is not allowed in configuration
if ( $passwd =~ /"/ ) {
die("Ipsec Error - PSK value cannot contain double quotes (\")");
}
$OUT .= "# $ipsecprop is enabled\n";
if ( $security eq 'certs' ) {
$OUT .= "# Certificates enabled for $ipsecprop - no settings required\n";
}
elsif ( $security eq 'secret' ) {
# If dynamic it must be %any here
# If not it can be ExternalIP if left not set
# IF we have IDs then use them in preference to %any
my $leftid = $ipsecDB->get_prop( $ipsecprop, 'leftid' ) || '';
my $rightid = $ipsecDB->get_prop( $ipsecprop, 'rightid' ) || '';
if ( $iptype eq 'stattodyn' ) {
if ( ( $leftid eq '' ) && ( $rightid eq '' ) ) {
$OUT .= "$left %any \: PSK \"$passwd\"";
}
else {
$OUT .= "$leftid $rightid \: PSK \"$passwd\"";
}
}
elsif ( $iptype eq 'dyntostat' ) {
if ( ( $leftid eq '' ) && ( $rightid eq '' ) ) {
$OUT .= "%any $right\: PSK \"$passwd\"";
}
else {
$OUT .= "$leftid $rightid \: PSK \"$passwd\"";
}
}
elsif ( ( $leftid ne '' ) && ( $rightid ne '' ) ) {
$OUT .= "$leftid $rightid \: PSK \"$passwd\"";
}
else {
$OUT .= "$left $right \: PSK \"$passwd\"";
}
}
elsif ( $security eq "rsasig" ) {
$OUT .= "# Connection to $ipsecprop is RSA\n";
$OUT .= "# Our RSA key is in separate file\n";
}
else {
$OUT .= "# $ipsecprop is disabled\n";
$OUT .= "\n";
}
$OUT .= "\n";
} # if
} #unless
} #foreach
} #else
}

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include /etc/ipsec.d/*.secrets

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# Required PostRouting for VPN
{
my $ipsec_status = $ipsec{status} || '';
# print "Ipsec Information - 40AllowIpsec - $ipsec_status\n";
if ( $ipsec_status eq 'enabled' ) {
$OUT .= " # Do not NAT VPN traffic\n";
$OUT .= " /sbin/iptables -t nat -I POSTROUTING -m policy --dir out --pol ipsec -j ACCEPT\n";
}
else {
$OUT .= " # 40AllowIPsec VPN POSTROUTING disabled\n";
}
}

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# based on /etc/e-smith/templates/etc/rc.d/init.d/masq/55AllowGRE
{
my $ipsec_status = $ipsec{status} || '';
# print "Ipsec Information - 56AllowESP - $ipsec_status\n";
if ( $ipsec_status eq 'enabled' ) {
$OUT .= " /sbin/iptables --new-chain esp-in\n";
$OUT .= " /sbin/iptables --append INPUT -p ESP -j esp-in\n";
$OUT .= " /sbin/iptables --append INPUT -p ESP -j denylog\n";
$OUT .= " /sbin/iptables --append esp-in \! -d \$OUTERNET -j denylog\n";
$OUT .= " /sbin/iptables --append esp-in -j denylog\n";
}
else {
$OUT .= " # 56AllowESP disabled\n";
}
}

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# based on /etc/e-smith/templates/etc/rc.d/init.d/masq/90adjustGRE
{
my $ipsec_status = $ipsec{status} || '';
# print "Ipsec Information - 90AdjustESP - $ipsec_status\n";
if ( $ipsec_status eq 'enabled' ) {
my $target = ( $ipsec_status eq 'enabled' ) ? "ACCEPT" : "denylog";
$OUT .= " /sbin/iptables --replace esp-in 1 ! -d \$OUTERNET -j denylog\n";
$OUT .= " /sbin/iptables --replace esp-in 2 -j $target\n";
}
else {
$OUT .= " # 90adjustESP disabled\n";
}
}

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{
# Set up sysctl.conf for ipsec
# need a check on release version as v8 needs
# net.core.xfrm_larval_drop = 1
# $configDB->get_prop( 'sysconfig', 'ReleaseVersion' ) eq 'v8/v9'
use strict;
use warnings;
use esmith::ConfigDB;
my $configDB = esmith::ConfigDB->open or die("can't open Config DB");
if ( $configDB->get_prop( 'ipsec', 'status' ) eq 'enabled' ) {
$OUT .= <<CONFIG_END
# Ipsec overrides
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.dummy0.rp_filter = 0
net.ipv4.conf.eth0.rp_filter = 0
net.ipv4.conf.eth1.rp_filter = 0
net.ipv4.conf.lo.rp_filter = 0
CONFIG_END
}
}

5
root/usr/lib/systemd/system/ipsec.service.d/50koozali.conf Normal file
View File

@ -0,0 +1,5 @@
[Unit]
After=network.target network.service wan.service
[Install]
WantedBy=sme-server.target

253
smeserver-libreswan.spec Normal file
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@ -0,0 +1,253 @@
%define name smeserver-libreswan
%define version 0.5
%define release 37
Summary: Plugin to enable IPSEC connections
Name: %{name}
Version: %{version}
Release: %{release}%{?dist}
License: GNU GPL version 2
URL: http://libreswan.org/
Group: SMEserver/addon
Source: %{name}-%{version}.tar.xz
BuildRoot: /var/tmp/%{name}-%{version}
BuildArchitectures: noarch
BuildRequires: e-smith-devtools
Requires: e-smith-release >= 9.2
Requires: libreswan >= 3.29
AutoReqProv: no
%description
Libreswan is a free software implementation of the most widely supported and standardised VPN protocol based on ("IPsec") and the Internet Key Exchange ("IKE")
%changelog
* Sat Sep 07 2024 cvs2git.sh aka Brian Read <brianr@koozali.org> 0.5-37.sme
- Roll up patches and move to git repo [SME: 12338]
* Sat Sep 07 2024 BogusDateBot
- Eliminated rpmbuild "bogus date" warnings due to inconsistent weekday,
by assuming the date is correct and changing the weekday.
* Wed May 24 2023 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-36.sme
- Change ipsec.conf log setting
- Create /var/log/pluto/pluto.log
- Add reauth 'yes' as an added option
- Update createlinks
* Mon Mar 01 2021 Brian Read <brianr@bjsystems.co.uk> 0.5-35.sme
- Initial Import in SME10 tree [SME: 11405]
- Update for systemd
* Mon Feb 17 2020 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-34.sme
- auto insert leftsourceip and subnet from internal interface
- Force right to have a value
* Fri Feb 14 2020 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-33.sme
- update keyingtries
- update virtual-private
* Thu Jan 30 2020 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-32.sme
- Fix xl2tpd status check
* Thu Oct 17 2019 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-31.sme
- Allow rightsubnet for xl2tpd in virtual_private
- Add check for empty virtual_private hosts
* Sun Oct 13 2019 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-30.sme
- Fix issue when there is no xl2tpd key
* Sat Aug 31 2019 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-29.sme
- Bump required Libreswan to 3.29
- add reauth option
* Thu Jun 21 2018 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-28.sme
- Bump required Libreswan to 3.23
- Change forceencaps to encapsulation
- Remove obsolete nat_traversal
- Modify ipsec.conf for no rightsubnet in xl2tpd
* Tue Sep 19 2017 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-27.sme
- Allow variable network interface names - Stefano Zamboni
* Thu Jun 15 2017 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-26.sme
- add keep-alive option in main ipsec.conf
- add forceencaps option overall default and per connection
- small code tidy
- Add support for L2TPD
* Thu Jan 26 2017 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-25.sme
- Fix the ipsec.conf as well
- remove automatic \@ in IDs - Fixes [SME: 9729]
* Thu Jan 26 2017 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-24.sme
- remove automatic \@ in IDs - Fixes [SME: 9729]
- fix swapped left/right IDs in password file
* Wed Jan 25 2017 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-23.sme
- Add the ability to use PEM/PKCS#12 certificates - fixes [SME: 9942]
- lots of code tidying
* Wed Dec 21 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-22.sme
- update logrotate completely now I realise it is symlinked
- remove UPDPort and add UPDPorts due to ipsec v2
* Wed Dec 21 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-21.sme
- add more variations for ike v1/2
- remove logrotate template
- add /etc/e-smith/events/logrotate/logfiles2timestamp/var/log/pluto.log
- Fix some log noise when first installed and still disabled
* Sat Apr 23 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-20.sme
- Fix typo in createlinks for sysctl.conf
* Mon Apr 04 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-19.sme
- Fix ID in ipsec.secrets if ID is set
* Thu Mar 24 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-18.sme
- Add debug db key to /etc/ipsec.conf
- Remove setting public/private keys as they won't affect unless templates are re-expanded
- Set xfrm_larval_drop drop correctly
* Tue Mar 22 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-17.sme
- Move pluto.log to /var/log/pluto
- bump libreswan requires version to 3.16
- regenerate masq template on ipsec-update
- change wiki location page
- add sysctl.conf template
- modify masq templates for ipsec status enabled/disabled
- only load ipsec.conf rather than *.conf to avoid loading v6neighbor-hole.conf
* Thu Mar 10 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-16.sme
- Fix masq templates for missing db entries on install
* Wed Mar 09 2016 JP Pialasse <tests@pialasse.com> 0.5-15.sme
- first import in SME buildsys
* Wed Feb 17 2016 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-13
- Fix small typo in readme
* Fri Dec 04 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-12
- Add keyingtries
- Finally fix add issues using asynchronous
* Wed Dec 02 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-11
- Determine host IPtype - static or dynamic IP
- auto --up changed to exec
- Add checks for Left/Right ID in secrets file
* Tue Dec 01 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-10
- Allow dynamic addresses
- Add iptype
- disallow " in PSK passwords
- Revised logging messages
* Mon Nov 30 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-9
- Amended templates to allow for rsasig. Early cert settings removed
* Wed Nov 25 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-8
- Revised masq templates - disable on ipsec disable
- Template ipsec.secrets so Terry won't break it again
- Set requires e-smith >=9 and libreswan >=3.14
* Wed Nov 18 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-7
- add 90adjustESP
* Tue Nov 17 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-6
- more update to masq firewalls - change -p 50 to -p ESP
* Tue Nov 17 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-5
- update masq firewall rules
- document clean up
* Wed May 27 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-4
- set dpd actions off if ipsec is 'add'
- add salifetime key and rename ikelifetime and keylife
- change defaults for salifetime and ikelifetime
- add in rsasig support
* Wed Apr 22 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-3
- change default ike from aes-sha to aes-sha1
* Tue Mar 24 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-2
- More minor fixes - should work OK with xl2tpd
* Thu Mar 19 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.5-1
- Remove templates2expand and added to createlinks
- modified ipsec.secret template
- various other fixes
* Fri Mar 13 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.4-5
- Big changes again - now have PreviousState to detect changes
- Createlinks to S10 to run after expand-templates
* Thu Mar 5 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.4-4
- Changed lots. Removed sysctl.conf template
- Changed firewall template
* Tue Mar 3 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.4-3
- Load of code tidying and prep from xl2tpd
* Fri Feb 27 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.4-2
- Update action script and allow for system not in gateway mode
- add ike and phase2alg db settings
* Tue Feb 24 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.4-1
- New ipsec-action script
- Numerous template changes
* Fri Jan 16 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.3-1
- remove debugging lines
- remove expand templates from spec file
- add status check for ipsec.conf
- add comment to masq template
- updated db defaults
- ipsec.conf not expanded on install
- missed auto=start
* Fri Jan 16 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.2-1
- remove rc.local modifications
- add /etc/sysctl.conf patches
* Thu Jan 15 2015 John Crisp <jcrisp@safeandsoundit.co.uk> 0.1-1
- initial release
%prep
%setup
%build
perl createlinks
%install
rm -rf $RPM_BUILD_ROOT
(cd root ; find . -depth -print | cpio -dump $RPM_BUILD_ROOT)
rm -f %{name}-%{version}-filelist
/sbin/e-smith/genfilelist $RPM_BUILD_ROOT > %{name}-%{version}-filelist
echo "%doc COPYING" >> %{name}-%{version}-filelist
%clean
cd ..
rm -rf %{name}-%{version}
%files -f %{name}-%{version}-filelist
%defattr(-,root,root)
%pre
%preun
%post
/sbin/e-smith/expand-template /etc/rc.d/init.d/masq
#/sbin/e-smith/expand-template /etc/inittab
#/sbin/init q
if [[ ! -d /var/log/pluto ]]
then
mkdir /var/log/pluto
fi
echo "see https://wiki.contribs.org/Libreswan"
%postun
/sbin/e-smith/expand-template /etc/rc.d/init.d/masq
#/sbin/e-smith/expand-template /etc/inittab
#/sbin/init q