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authorGoffredo Andreone <gandreone@pfsense.org>2007-02-21 10:33:13 +0000
committerGoffredo Andreone <gandreone@pfsense.org>2007-02-21 10:33:13 +0000
commitdbcf00be3c722f824e9e86dfd42fb8a424685c88 (patch)
tree136da762221611aa2a9061f0331260f3a9662a89 /packages
parent8a6f13081b10a8d2b4bf0e94ec674c804456d5db (diff)
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Forwarding now working with CARP IP set for TinyDNS and LAN IP set for DNScache(Forwarder). Documention on actual operation not up to date!
Once Forwarding is enabled it cannot be removed.
Diffstat (limited to 'packages')
-rw-r--r--packages/tinydns/tinydns.inc122
1 files changed, 96 insertions, 26 deletions
diff --git a/packages/tinydns/tinydns.inc b/packages/tinydns/tinydns.inc
index 0b80da75..a20ae38a 100644
--- a/packages/tinydns/tinydns.inc
+++ b/packages/tinydns/tinydns.inc
@@ -40,10 +40,6 @@ function tinydns_custom_php_install_command() {
log_error("Could not open /usr/local/etc/rc.d/svscan.sh for writing.");
return;
}
-
- if($config['installedpackages']['tinydns']['config'][0]['bind2lan'])
- $ip = $config['interfaces']['lan']['ipaddr'];
- else
$ip = $config['installedpackages']['tinydns']['config'][0]['ipaddress'];
$minsegment = "10240";
@@ -114,6 +110,7 @@ EOD;
fwrite($fd, $svscan);
fclose($fd);
conf_mount_ro();
+ tinydns_custom_php_changeip_command();
filter_configure();
}
@@ -123,8 +120,10 @@ function tinydns_custom_php_deinstall_command() {
conf_mount_rw();
/* destroy all daemontools items */
exec("/usr/sbin/pw groupdel Gtinydns");
+ exec("/usr/sbin/pw groupdel Gdnscache");
exec("/usr/sbin/pw groupdel Gdnslog");
exec("/usr/sbin/pw userdel Gtinydns");
+ exec("/usr/sbin/pw userdel Gdnscache");
exec("/usr/sbin/pw userdel Gdnslog");
exec("rm /usr/local/www/*tinydns*");
exec("rm /usr/local/pkg/*tinydns*");
@@ -136,22 +135,45 @@ function tinydns_custom_php_deinstall_command() {
function tinydns_custom_php_changeip_command() {
global $g, $config;
conf_mount_rw();
- if($config['installedpackages']['tinydns']['config'][0]['bind2lan'])
- {
- $ip = $config['interfaces']['lan']['ipaddr'];
-/* Does not work?? $config['installedpackages']['tinydns']['config'][0]['ipaddress'] = $ip; */
- }
- else
- $ip = $config['installedpackages']['tinydns']['config'][0]['ipaddress'];
+ if($config['installedpackages']['tinydns']['config'][0]['bind2lan']){
+ if($config['installedpackages']['tinydns']['config'][0]['enableforwarding']){
+ $ip = $config['interfaces']['lan']['ipaddr'];
+ $ipmask = $config['interfaces']['lan']['subnet'];
+ $arr = tinydns_get_ip_subnet_arpa($ip, $ipmask);
+ $dnscacheip = $ip;
+ $dnsuserip = $arr[0];
+ }
+ }
+ $dnsserverip = $config['installedpackages']['tinydns']['config'][0]['ipaddress'];
$updatecron = $config['installedpackages']['tinydns']['config'][0]['updatecron'];
+
/* setup daemon tools service area */
- exec("/usr/sbin/pw useradd Gtinydns");
- exec("/usr/sbin/pw useradd Gdnslog");
- exec("/usr/local/bin/tinydns-conf Gtinydns Gdnslog /etc/tinydns {$ip}");
- exec("/bin/mkdir /service");
- exec("/bin/ln -s /etc/tinydns /service/");
- exec("echo $ip > /service/tinydns/env/IP");
+ if(!is_dir("/service")) exec("/bin/mkdir /service");
+ if(!is_dir("/service/tinydns")){
+ exec("/usr/sbin/pw useradd Gtinydns");
+ exec("/usr/sbin/pw useradd Gdnslog");
+ exec("/usr/local/bin/tinydns-conf Gtinydns Gdnslog /etc/tinydns {$dnsserverip}");
+ exec("/bin/ln -s /etc/tinydns /service/");
+ }
+ exec("echo {$dnsserverip} > /etc/tinydns/env/IP");
exec("/usr/bin/killall -9 tinydns");
+
+ if($config['installedpackages']['tinydns']['config'][0]['enableforwarding']){
+ if(!is_dir("/service/dnscache")){
+ exec("/usr/sbin/pw useradd Gdnscache");
+ exec("/usr/local/bin/dnscache-conf Gdnscache Gdnslog /etc/dnscache {$dnscacheip}");
+ exec("/bin/ln -s /etc/dnscache /service/");
+ exec("/usr/bin/cp /var/etc/resolv.conf /var/etc/resolv.conf.original");
+ exec("/usr/bin/cp /var/etc/resolv.conf /var/etc/resolv.conf.dnscache");
+ }
+ exec("echo {$dnscacheip} > /etc/dnscache/env/IP");
+ exec("echo 1 > /etc/dnscache/env/FORWARDONLY");
+ tinydns_dnscache_forwarding_servers();
+ exec("touch /etc/dnscache/root/ip/{$dnsuserip}");
+ exec("echo domain {$config['system']['domain']} > /var/etc/resolv.conf");
+ exec("echo nameserver {$dnscacheip} >> /var/etc/resolv.conf");
+ exec("/usr/bin/killall -9 dnscache");
+ }
conf_mount_ro();
filter_configure();
}
@@ -277,13 +299,19 @@ function tinydns_create_zone_file() {
log_error("Could not open /service/tinydns/root/data for writing.");
return;
}
-
+
/* Load the root servers if Forwarding is enabled */
if($config['installedpackages']['tinydns']['config'][0]['enableforwarding']) {
- if($config['system']['hostname']['domain']) {
- $forwardingservers = tinydns_register_forwarding_servers();
- $forwardingservers .= tinydns_register_root_servers();
- if($forwardingservers)fwrite($fd, $forwardingservers);
+ if($config['system']['domain']) {
+ $localdomain = $config['system']['domain'];
+// $localdomain = "";
+// $localhostmask = 8;
+// $localhostip = "127.0.0.1";
+// $localname = "localhost";
+// tinydns_complete_soa_record($fd, $localhostip, $localhostmask, $localname, $localdomain);
+// $forwardingservers = tinydns_register_forwarding_servers();
+// $forwardingservers .= tinydns_register_root_servers();
+// if($forwardingservers)fwrite($fd, $forwardingservers);
}
}
@@ -481,6 +509,7 @@ function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname, $rdns
}
return $record_data;
}
+
/* Returns the last IP byte and the Trimmed IP*/
function tinydns_get_lastip_byte($ipsub){
$len= strlen($ipsub);
@@ -493,7 +522,8 @@ function tinydns_get_lastip_byte($ipsub){
}
/* in-add.arpa IP calculated from D.C.B.A and Mask to A.B.C.D.in-addr.arpa */
-function tinydns_get_arpa_ip($ip, $ipmask){
+/* subnet IP calculated from A.B.C.D and Mask */
+function tinydns_get_ip_subnet_arpa($ip, $ipmask){
$ipsub = $ip;
$arpaip = "";
$array = tinydns_get_lastip_byte($ipsub);
@@ -513,32 +543,36 @@ function tinydns_get_arpa_ip($ip, $ipmask){
$s = 32 - $ipmask;
$a >> $s;
$arpaip = "{$a}.{$b}.{$c}.{$d}.in-addr.arpa";
+ $subnet = "{$d}.{$c}.{$b}.{$a}";
break;
case ($ipmask <= 24 AND $ipmask > 16):
$s = 24 - $ipmask;
$b >> $s;
$arpaip = "{$b}.{$c}.{$d}.in-addr.arpa";
+ $subnet = "{$d}.{$c}.{$b}";
break;
case ($ipmask <= 16 AND $ipmask > 8):
$s = 16 - $ipmask;
$c >> $s;
$arpaip = "{$c}.{$d}.in-addr.arpa";
+ $subnet = "{$d}.{$c}";
break;
case ($ipmask <= 8 AND $ipmask > 0):
$s = 8 - $ipmask;
$d >> $s;
$arpaip = "{$d}.in-addr.arpa";
+ $subnet = "{$d}";
break;
}
- return $arpaip;
+ return array($subnet,$arpaip);
}
/* Create a Forward and a Reverse DNS (SOA, A, PTR) records for Fully Qualififed Domain Name*/
function tinydns_complete_soa_record($fd, $ip, $ipmask, $nsname, $domain){
$fqdn = "{$nsname}.{$domain}";
- $rip = tinydns_get_arpa_ip($ip, $ipmask);
+ $rip = tinydns_get_ip_subnet_arpa($ip, $ipmask);
$soa = ".{$domain}::{$fqdn}";
- $rsoa = ".{$rip}::{$fqdn}";
+ $rsoa = ".{$rip[1]}::{$fqdn}";
$a = "={$fqdn}:{$ip}";
if($fqdn)fwrite($fd, $soa . "\n");
if($rip)fwrite($fd, $rsoa . "\n");
@@ -628,6 +662,42 @@ function tinydns_get_dns_record_type($tinydnsrecord){
/* This function will be replaced by an auto detect DNS cache servers routine */
/* At the moment ther is no tagging of DNSroute to a WAN port. It needs to be added */
+function tinydns_dnscache_forwarding_servers() {
+ $fr = fopen("/var/etc/resolv.conf.dnscache", "r");
+ if (! $fr) {
+ printf("Error: cannot open resolv.conf in tinydns_register_forwarding_servers().\n");
+ return 1;
+ }
+
+ $lip = strlen("nameserver") + 1;
+ $j = 0;
+ $iprecords = "";
+ while (!feof($fr)) {
+ $routers = fgets($fr, 4096);
+ $discard = ($routers[0] == "\n");
+ if(!$discard){
+ if ($routerip = strstr($routers,"nameserver")){
+ $routerip = substr($routerip,$lip);
+ if($routerip){
+ $j += 1;
+ $routera = "{$routerip}";
+ $iprecords .= $routera;
+ }
+ }
+ }
+ }
+ fclose($fr);
+ $fr = fopen("/etc/dnscache/root/servers/@", "w");
+ if (! $fr) {
+ printf("Error: cannot open resolv.conf in tinydns_dnscahe_forwarding_servers().\n");
+ return 1;
+ }
+ if($iprecords)fwrite($fr, $iprecords);
+ fclose($fr);
+}
+
+/* This function will be replaced by an auto detect DNS cache servers routine */
+/* At the moment ther is no tagging of DNSroute to a WAN port. It needs to be added */
function tinydns_register_forwarding_servers() {
$fr = fopen("/var/etc/resolv.conf", "r");
if (! $fr) {