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authorScott Ullrich <sullrich@pfsense.org>2007-09-25 16:00:45 +0000
committerScott Ullrich <sullrich@pfsense.org>2007-09-25 16:00:45 +0000
commita5f94f145d4ab78080665967be515382914b6b94 (patch)
treea4f276af5c165cf137d4a7e79038e1e054da766e /etc/inc
parentb024446e6b21f121fcb1e162ad9fa893ca455b54 (diff)
downloadpfsense-a5f94f145d4ab78080665967be515382914b6b94.zip
pfsense-a5f94f145d4ab78080665967be515382914b6b94.tar.gz
Add add_hostname_to_watch() function which will help operate the dns firewall rule cache
Diffstat (limited to 'etc/inc')
-rw-r--r--etc/inc/filter.inc7
-rw-r--r--etc/inc/pfsense-utils.inc12
2 files changed, 18 insertions, 1 deletions
diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index 898ec0d..3fed103 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -1080,6 +1080,11 @@ function filter_nat_rules_generate() {
if(alias_expand($extaddr))
$extaddr = alias_expand($extaddr);
+ if(is_hostname($target))
+ add_hostname_to_watch($target);
+ if(is_hostname($extaddr))
+ add_hostname_to_watch($extaddr);
+
/*
* If FTP Proxy Helper is enabled and the
* operator has requested a port forward to
@@ -1244,6 +1249,7 @@ function filter_nat_rules_generate() {
$toadd_array = array();
if(is_alias($loc_pt)) {
$loc_pt_translated = alias_expand_value($loc_pt);
+ add_hostname_to_watch($loc_pt_translated);
if(stristr($loc_pt_translated, " ")) {
/* XXX: we should deal with multiple ports */
$loc_pt_translated_split = split(" ", $loc_pt_translated);
@@ -1274,6 +1280,7 @@ function filter_nat_rules_generate() {
$toadd_array = array();
if(is_alias($loc_pt)) {
$loc_pt_translated = alias_expand_value($loc_pt);
+ add_hostname_to_watch($loc_pt_translated);
if(stristr($loc_pt_translated, " ")) {
/* XXX: we should deal with multiple ports */
$loc_pt_translated_split = split(" ", $loc_pt_translated);
diff --git a/etc/inc/pfsense-utils.inc b/etc/inc/pfsense-utils.inc
index 2335d22..2b472a2 100644
--- a/etc/inc/pfsense-utils.inc
+++ b/etc/inc/pfsense-utils.inc
@@ -3685,4 +3685,14 @@ function is_wan_interface_up($interface) {
}
return false;
}
-?>
+
+function add_hostname_to_watch($hostname) {
+ if(is_hostname($hostname)) {
+ $dnshost = gethostbyaddr($hostname);
+ if(!is_dir("/var/db/dnscache"))
+ mkdir("/var/db/dnscache");
+ exec("echo $dnshost > /var/db/dnscache/$hostname");
+ }
+}
+
+?> \ No newline at end of file
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