change some spacing (2 tabs -> 4 spaces)

(cherry picked from commit 08913f70)

src/etc/inc/interfaces.lib.inc

 <?php
 
 /*
-	Copyright (c) 2015 Franco Fichtner <franco@opnsense.org>
-	All rights reserved.
-
-	Redistribution and use in source and binary forms, with or without
-	modification, are permitted provided that the following conditions are met:
-
-	1. Redistributions of source code must retain the above copyright notice,
-	   this list of conditions and the following disclaimer.
-
-	2. Redistributions in binary form must reproduce the above copyright
-	   notice, this list of conditions and the following disclaimer in the
-	   documentation and/or other materials provided with the distribution.
-
-	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
-	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-	POSSIBILITY OF SUCH DAMAGE.
+  Copyright (c) 2015 Franco Fichtner <franco@opnsense.org>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+  AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+  AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
 */
 
 function legacy_interface_listget($flag = '')
 {
-	$cmd = '/sbin/ifconfig -l';
-	$ifs = null;
-
-	if ($flag === 'up') {
-		$cmd .= 'u';
-	} else if ($flag === 'down') {
-		$cmd .= 'd';
-	}
-
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-		return ($ifs);
-	}
-
-	if (isset($out[0])) {
-		$ifs = explode(' ', $out[0]);
-	}
-
-	return ($ifs);
+    $cmd = '/sbin/ifconfig -l';
+    $ifs = null;
+
+    if ($flag === 'up') {
+        $cmd .= 'u';
+    } else if ($flag === 'down') {
+        $cmd .= 'd';
+    }
+
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+        return ($ifs);
+    }
+
+    if (isset($out[0])) {
+        $ifs = explode(' ', $out[0]);
+    }
+
+    return ($ifs);
 }
 
 function legacy_interface_flags($ifs, $flag, $report_errors=true)
 {
-	/* $flags isn't escaped because it can be an argument list */
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' ' . $flag;
+    /* $flags isn't escaped because it can be an argument list */
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' ' . $flag;
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if (!empty($ret) && $report_errors) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if (!empty($ret) && $report_errors) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_create($ifs)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' create';
-	$new = null;
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' create';
+    $new = null;
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-		return ($new);
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+        return ($new);
+    }
 
-	if (isset($out[0])) {
-		$new = $out[0];
-	}
+    if (isset($out[0])) {
+        $new = $out[0];
+    }
 
-	return ($new);
+    return ($new);
 }
 
 function legacy_interface_destroy($ifs)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' destroy';
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' destroy';
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_setaddress($ifs, $addr)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' alias ' . escapeshellarg($addr);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' alias ' . escapeshellarg($addr);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_deladdress($ifs, $addr)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' -alias ' . escapeshellarg($addr);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' -alias ' . escapeshellarg($addr);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_rename($ifs, $name)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' name ' . escapeshellarg($name);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' name ' . escapeshellarg($name);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_mtu($ifs, $mtu)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' mtu ' . escapeshellarg($mtu);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' mtu ' . escapeshellarg($mtu);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_bridge_member($ifs, $member)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' addm ' . escapeshellarg($member);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' addm ' . escapeshellarg($member);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_vlan_tag($ifs, $member, $tag)
 {
-	$cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' vlandev ' . escapeshellarg($member) . ' vlan ' . escapeshellarg($tag);
+    $cmd = '/sbin/ifconfig ' . escapeshellarg($ifs) . ' vlandev ' . escapeshellarg($member) . ' vlan ' . escapeshellarg($tag);
 
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-	}
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+    }
 }
 
 function legacy_interface_stats($ifs)
 {
-	$cmd = '/usr/local/sbin/ifinfo ' . escapeshellarg($ifs);
-	$stats = array();
-
-	exec($cmd . ' 2>&1', $out, $ret);
-	if ($ret) {
-		log_error('The command `' . $cmd . '\' failed to execute');
-		return $stats;
-	}
-
-	if (count($out)) {
-		/* first one is header */
-		array_shift($out);
-
-		foreach ($out as $line) {
-			$stat = explode(':', $line);
-			$stats[trim($stat[0])] = trim($stat[1]);
-		}
-	}
-
-	return $stats;
+    $cmd = '/usr/local/sbin/ifinfo ' . escapeshellarg($ifs);
+    $stats = array();
+
+    exec($cmd . ' 2>&1', $out, $ret);
+    if ($ret) {
+        log_error('The command `' . $cmd . '\' failed to execute');
+        return $stats;
+    }
+
+    if (count($out)) {
+        /* first one is header */
+        array_shift($out);
+
+        foreach ($out as $line) {
+            $stat = explode(':', $line);
+            $stats[trim($stat[0])] = trim($stat[1]);
+        }
+    }
+
+    return $stats;
 }