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authorPiBa-NL <pba_2k3@yahoo.com>2014-09-26 23:16:25 +0200
committerPiBa-NL <pba_2k3@yahoo.com>2014-09-26 23:16:25 +0200
commitf5c3341d0cd1f8d5e3fa57ebda3f0aeb8ea95b07 (patch)
tree2b3df7af373ebecc0143965b91c1f4d998bb29c8 /config/haproxy-devel
parentb19153963fff00be53e8c72c3d71262886f61815 (diff)
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haproxy-devel, allow transparent-client-ip using ipv6
Diffstat (limited to 'config/haproxy-devel')
-rw-r--r--config/haproxy-devel/haproxy.inc34
-rw-r--r--config/haproxy-devel/haproxy_pool_edit.php7
2 files changed, 30 insertions, 11 deletions
diff --git a/config/haproxy-devel/haproxy.inc b/config/haproxy-devel/haproxy.inc
index 54b35390..6cfef4fe 100644
--- a/config/haproxy-devel/haproxy.inc
+++ b/config/haproxy-devel/haproxy.inc
@@ -679,8 +679,12 @@ function write_backend($configpath, $fd, $name, $pool, $frontend) {
$pool['retries'] = 3;
fwrite ($fd, "\tretries\t\t\t" . $pool['retries'] . "\n");
- if ($pool['transparent_clientip'])
- fwrite ($fd, "\tsource 0.0.0.0 usesrc clientip\n");
+ if ($pool['transparent_clientip']) {
+ if (is_ipaddrv4($frontend_ip))
+ fwrite ($fd, "\tsource 0.0.0.0 usesrc clientip\n");
+ else
+ fwrite ($fd, "\tsource ipv6@ usesrc clientip\n");
+ }
$uri = $pool['monitor_uri'];
if ($pool['monitor_uri'])
@@ -1296,12 +1300,19 @@ function haproxy_generate_rules($type) {
$rules = "";
switch($type) {
case 'filter':
+ // Sloppy pf rules are needed because of ipfw is used to 'catch' return traffic, and pf would otherwise terminate the connection after a few packets..
$transparent_backends = haproxy_get_transparent_backends();
- foreach($transparent_backends as $tb){
- // This sloppy rule is needed because of ipfw is used to 'catch' return traffic.
+ if (count($transparent_backends) > 0) {
$rules .= "# allow HAProxy transparent traffic\n";
- $rules .= "pass out quick on {$tb['interface']} inet proto tcp from any to {$tb['address']} port {$tb['port']} flags S/SA keep state ( sloppy ) label \"HAPROXY_transparent_rule_{$tb['name']}\"\n";
- }
+ foreach($transparent_backends as $tb){
+ if (is_ipaddrv4($tb['address']))
+ $rules .= "pass out quick on {$tb['interface']} inet proto tcp from any to {$tb['address']} port {$tb['port']} flags S/SA keep state ( sloppy ) label \"HAPROXY_transparent_rule_{$tb['name']}\"\n";
+ if (is_ipaddrv6($tb['address'])) {
+ list ($addr, $scope) = explode("%", $tb['address']);
+ $rules .= "pass out quick on {$tb['interface']} inet6 proto tcp from any to {$addr} port {$tb['port']} flags S/SA keep state ( sloppy ) label \"HAPROXY_transparent_rule_{$tb['name']}\"\n";
+ }
+ }
+ }
break;
}
return $rules;
@@ -1346,13 +1357,20 @@ function load_ipfw_rules() {
$rulenum = 64000; // why that high? captiveportal.inc also does it...
$rules = "flush\n";
foreach($transparent_backends as $transparent_be) {
- $rules .= "add $rulenum fwd localhost tcp from {$transparent_be["address"]} {$transparent_be["port"]} to any in recv {$transparent_be["interface"]}\n";
+ if (is_ipaddrv4($transparent_be["address"]))
+ $rules .= "add $rulenum fwd localhost tcp from {$transparent_be["address"]} {$transparent_be["port"]} to any in recv {$transparent_be["interface"]}\n";
+ else if (is_ipaddrv6($transparent_be["address"])) {
+ list ($addr, $scope) = explode("%", $transparent_be['address']);
+ $rules .= "add $rulenum fwd ::1 tcp from {$addr} {$transparent_be["port"]} to any in recv {$transparent_be["interface"]}\n";
+ }
+
$rulenum++;
}
file_put_contents("{$g['tmp_path']}/ipfw_{$ipfw_zone_haproxy}.haproxy.rules", $rules);
- mwexec("/usr/local/sbin/ipfw_context -s $ipfw_zone_haproxy", true);
+ if (haproxy_utils::$pf_version < 2.2)
+ mwexec("/usr/local/sbin/ipfw_context -s $ipfw_zone_haproxy", true);
mwexec("/sbin/ipfw -x $ipfw_zone_haproxy -q {$g['tmp_path']}/ipfw_{$ipfw_zone_haproxy}.haproxy.rules", true);
}
diff --git a/config/haproxy-devel/haproxy_pool_edit.php b/config/haproxy-devel/haproxy_pool_edit.php
index a3a0879d..30079847 100644
--- a/config/haproxy-devel/haproxy_pool_edit.php
+++ b/config/haproxy-devel/haproxy_pool_edit.php
@@ -582,10 +582,11 @@ foreach($simplefields as $field){
</div>
<br/>
Connect transparently to the backend server's so the connection seams to come straight from the client ip address.
- For proper workings this requires the reply's traffic to pass through pfSense by means of correct routing.
- (uses the option "source 0.0.0.0 usesrc clientip")
+ To work properly this requires the reply traffic to pass through pfSense by means of correct routing.<br/>
+ When using IPv6 only routable ip addresses can be used, host names or link-local addresses (FE80) will not work.<br/>
+ (uses the option "source 0.0.0.0 usesrc clientip" or "source ipv6@ usesrc clientip")
<br/><br/>
- Note : When this is enabled for a single backend HAProxy will run as 'root' instead of chrooting to a lower privileged user, this reduces security in case of a a bit.
+ Note : When this is enabled for any backend HAProxy will run as 'root' instead of chrooting to a lower privileged user, this reduces security in case a vulnerability is found.
</td>
</tr>
<tr align="left">