From b73eda208e9ebb945018fc31290babe483e0e4cd Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@pfsense.org>
Date: Mon, 24 Dec 2007 07:44:26 +0000
Subject: Revert broken OPT interface removal commit. This breaks
 configurations entirely, worse than just improperly shifting configuration
 items.

Ticket #1532
---
 etc/inc/pfsense-utils.inc | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

(limited to 'etc/inc/pfsense-utils.inc')

diff --git a/etc/inc/pfsense-utils.inc b/etc/inc/pfsense-utils.inc
index bfc3808..38228bd 100644
--- a/etc/inc/pfsense-utils.inc
+++ b/etc/inc/pfsense-utils.inc
@@ -2452,15 +2452,21 @@ function cleanup_opt_interfaces_after_removal($opt_interface_num) {
 	unlink_if_exists("{$g['tmp_path']}/config.cache");
 	$config_file = file_get_contents("/cf/conf/config.xml");
 	/* loop through and reassign deleted items */
-	$orig = array('opt'.$opt_interface_num,'OPT'.$opt_interface_num);
-	$repl = array('optXXXX','OPTXXXX');
-	for ($i = $opt_interface_num+1; isset ($config['interfaces']['opt' . $i]); $i++) {
-		array_push($orig,'opt'.$i);
-		array_push($repl,'opt'.($i -1));
-		array_push($orig,'OPT'.$i);
-		array_push($repl,'OPT'.($i -1));
-	}
-	$config_file = str_replace($orig, $repl, $config_file);
+	for ($i = 500; isset ($config['interfaces']['opt' . $i]); $i--) {
+		if ($i < $opt_interface_num)
+			break;
+		if ($i == $opt_interface_num) {
+			/* item should be deleted */
+			str_replace("opt" . $i, "optXXXX", $config_file);
+		}
+	}
+	/* loop through and reassign optional items */
+	for ($i = 500; isset ($config['interfaces']['opt' . $i]); $i--) {
+		if ($i < $opt_interface_num)
+			break;
+		/* replace opt$i with $i -1 */
+		str_replace("opt" . $i, "opt" . ($i -1), $config_file);
+	}
 	$fd = fopen("/cf/conf/config.xml", "w");
 	fwrite($fd, $config_file);
 	fclose($fd);
@@ -2484,7 +2490,6 @@ function cleanup_opt_interfaces_after_removal($opt_interface_num) {
 			if($config['nat']['rule'][$x]['interface'] == "optXXXX")
 		 		unset($config['nat']['rule'][$x]['interface']);
 	}
-	write_config();
 	conf_mount_ro();
 	config_unlock();
 	return true;
@@ -3617,4 +3622,4 @@ function is_wan_interface_up($interface) {
 	return false;
 }
 
-?>
+?>
\ No newline at end of file
-- 
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