squid3.4 - first package files

1 files changed, 446 insertions, 0 deletions

diff --git a/config/squid3/34/squid_auth.inc b/config/squid3/34/squid_auth.inc
new file mode 100644
index 00000000..cc511607
--- /dev/null
+++ b/config/squid3/34/squid_auth.inc
@@ -0,0 +1,446 @@
+<?php
+/* $Id$ */
+
+/*
+        squid_auth.inc
+        part of pfSense (www.pfSense.com)
+
+        Copyright (C) 2005 Michael Capp <michael.capp@gmail.com>
+        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 global_eval_auth_options()
+{
+	global $config;
+	conf_mount_rw();
+	config_lock();
+
+	switch ($config['installedpackages']['squidauth']['config'][0]['auth_method']) {
+		case "none":
+			dynamic_auth_content("pkg_edit");
+			dynamic_no_auth();
+			break;
+		case "local_auth":
+			dynamic_auth_content("pkg");
+			/* create empty passwd file to prevent stat error with squid reload */
+			touch ("/usr/local/etc/squid/advanced/ncsa/passwd");
+			dynamic_local_auth();
+			break;
+		case "ldap_bind":
+			dynamic_auth_content("pkg_edit");
+			dynamic_ldap_auth();
+			break;
+		case "domain_auth":
+			$filecontents = file("/usr/local/pkg/squid_auth.xml");
+			dynamic_auth_content("pkg_edit");
+			dynamic_domain_auth();
+			break;
+		case "radius_auth":
+			$filecontents = file("/usr/local/pkg/squid_auth.xml");
+			dynamic_auth_content("pkg_edit");
+			dynamic_radius_auth();
+			break;
+		default:
+			$filecontents = file("/usr/local/pkg/squid_auth.xml");
+			dynamic_auth_content("pkg_edit");
+			dynamic_no_auth();
+			break;
+	}
+
+	config_unlock();
+	conf_mount_ro();
+
+} /* end function global_eval_auth_options */
+
+function dynamic_no_auth() {
+	global $config;
+	conf_mount_rw();
+	$fout = fopen("/usr/local/pkg/squid_extauth.xml", "w");
+	fwrite($fout, "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
+	fwrite($fout, "<packagegui>\n");
+	fwrite($fout, "	<name>squidextnoauth</name>\n");
+	fwrite($fout, "	<title>Services: Proxy Server -> Extended Authentication Settings</title>\n");
+	fwrite($fout, "	<configpath>installedpackages->package->squidextnoauth->configuration->settings</configpath>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<aftersaveredirect>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</aftersaveredirect>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<tabs>\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>General Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_ng.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Upstream Proxy</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_upstream.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Cache Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_cache.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Network Access Control</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_nac.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Traffic Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_traffic.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_auth.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Extended Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</url>\n");
+	fwrite($fout, "			<active/>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	</tabs>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<fields>\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>No Authentication Defined</fielddescr>\n");
+	fwrite($fout, "			<fieldname>no_auth</fieldname>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "	</fields>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<custom_add_php_command_late>\n");
+	fwrite($fout, "		require_once(\"/usr/local/pkg/squid_ng.inc\");");
+	fwrite($fout, "\n");
+	fwrite($fout, "		global_write_squid_config();\n");
+	fwrite($fout, "		mwexec(\"/usr/local/sbin/squid -k reconfigure\");\n");
+	fwrite($fout, "	</custom_add_php_command_late>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "</packagegui>\n");
+	fclose($fout);
+
+	/* mount filesystem read-only */
+	conf_mount_ro();
+}
+
+function dynamic_local_auth() {
+	global $config;
+	conf_mount_rw();
+
+	$fout = fopen("/usr/local/pkg/squid_extauth.xml", "w");
+
+	fwrite($fout, "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "<packagegui>\n");
+	fwrite($fout, "	<name>squidextlocalauth</name>\n");
+	fwrite($fout, "	<title>Services: Proxy Server -> Extended Auth Settings</title>\n");
+	fwrite($fout, "	<version>2.5.10_4</version>\n");
+	fwrite($fout, "	<configpath>installedpackages->package->squidextlocalauth->configuration->settings</configpath>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<files></files>\n");
+	fwrite($fout, "	<menu></menu>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<aftersaveredirect>/pkg.php?xml=squid_extauth.xml&amp;id=0</aftersaveredirect>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<tabs>\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>General Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_ng.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Upstream Proxy</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_upstream.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Cache Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_cache.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Network Access Control</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_nac.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Traffic Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_traffic.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_auth.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Extended Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg.php?xml=squid_extauth.xml&amp;id=0</url>\n");
+	fwrite($fout, "			<active/>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	</tabs>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<adddeleteeditpagefields>\n");
+	fwrite($fout, "			<columnitem>\n");
+	fwrite($fout, "			<fielddescr>Username</fielddescr>\n");
+	fwrite($fout, "			<fieldname>username</fieldname>\n");
+	fwrite($fout, "		</columnitem>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<columnitem>\n");
+	fwrite($fout, "			<fielddescr>Description</fielddescr>\n");
+	fwrite($fout, "			<fieldname>description</fieldname>\n");
+	fwrite($fout, "		</columnitem>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<columnitem>\n");
+	fwrite($fout, "			<fielddescr>Restriction Group</fielddescr>\n");
+	fwrite($fout, "			<fieldname>group</fieldname>\n");
+	fwrite($fout, "		</columnitem>\n");
+	fwrite($fout, "	</adddeleteeditpagefields>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<fields>\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Username</fielddescr>\n");
+	fwrite($fout, "			<fieldname>username</fieldname>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>15</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Password</fielddescr>\n");
+	fwrite($fout, "			<fieldname>password</fieldname>\n");
+	fwrite($fout, "			<type>password</type>\n");
+	fwrite($fout, "			<size>8</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Description (Optional)</fielddescr>\n");
+	fwrite($fout, "			<fieldname>description</fieldname>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>30</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Restriction Group</fielddescr>\n");
+	fwrite($fout, "			<fieldname>group</fieldname>\n");
+	fwrite($fout, "			<type>select</type>\n");
+	fwrite($fout, "			<options>\n");
+	fwrite($fout, "				<option><name>Standard</name><value>Standard</value></option>\n");
+	fwrite($fout, "				<option><name>Extended</name><value>Extended</value></option>\n");
+	fwrite($fout, "			</options>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	</fields>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<custom_add_php_command_late>\n");
+	fwrite($fout, "		require_once(\"/usr/local/pkg/squid_ng.inc\");\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		mod_htpasswd();\n");
+	fwrite($fout, "		global_write_squid_config();\n");
+	fwrite($fout, "		mwexec(\"/usr/local/sbin/squid -k reconfigure\");\n");
+	fwrite($fout, "	</custom_add_php_command_late>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "</packagegui>\n");
+
+	fclose($fout);
+
+	/* mount filesystem read-only */
+	conf_mount_ro();
+}
+
+function dynamic_ldap_auth() {
+	global $config;
+	conf_mount_rw();
+
+	$fout = fopen("/usr/local/pkg/squid_extauth.xml", "w");
+
+	fwrite($fout, "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "<packagegui>\n");
+	fwrite($fout, "	<name>squidextldapauth</name>\n");
+	fwrite($fout, "	<title>Services: Proxy Server -> Extended Auth Settings</title>\n");
+	fwrite($fout, "	<version>2.5.11</version>\n");
+	fwrite($fout, "	<configpath>installedpackages->package->squidextldapauth->configuration->settings</configpath>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<files></files>\n");
+	fwrite($fout, "	<menu></menu>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<aftersaveredirect>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</aftersaveredirect>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<tabs>\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>General Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_ng.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Upstream Proxy</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_upstream.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Cache Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_cache.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Network Access Control</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_nac.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Traffic Mgmt</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_traffic.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_auth.xml&amp;id=0</url>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<tab>\n");
+	fwrite($fout, "			<text>Extended Auth Settings</text>\n");
+	fwrite($fout, "			<url>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</url>\n");
+	fwrite($fout, "			<active/>\n");
+	fwrite($fout, "		</tab>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	</tabs>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<fields>\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Base DN</fielddescr>\n");
+	fwrite($fout, "			<fieldname>ldap_basedn</fieldname>\n");
+	fwrite($fout, "			<description>This is the base where the LDAP search starts.  All subsequent organizational units (OUs)will be included.  Example: \"ou=users,o=company\" will search for users in and under the specified company.</description>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>50</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>LDAP Server</fielddescr>\n");
+	fwrite($fout, "			<fieldname>ldap_server</fieldname>\n");
+	fwrite($fout, "			<description>This is the LDAP server that the bind will be attempted against.</description>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>20</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>LDAP Type</fielddescr>\n");
+	fwrite($fout, "			<fieldname>ldap_type</fieldname>\n");
+	fwrite($fout, "			<description>This specifies the supported LDAP types.</description>\n");
+	fwrite($fout, "			<type>select</type>\n");
+	fwrite($fout, "			<options>\n");
+	fwrite($fout, "				<option><name>Active Directory</name><value>active_directory</value></option>\n");
+	fwrite($fout, "				<option><name>Novell eDirectory</name><value>novell_edirectory</value></option>\n");
+	fwrite($fout, "				<option><name>LDAP v2</name><value>ldap_v2</value></option>\n");
+	fwrite($fout, "				<option><name>LDAP v3</name><value>ldap_v3</value></option>\n");
+	fwrite($fout, "			</options>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>LDAP Port</fielddescr>\n");
+	fwrite($fout, "			<fieldname>ldap_port</fieldname>\n");
+	fwrite($fout, "			<description>This is the port that LDAP bind will attempt on.  The default is \"389\".</description>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>5</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Bind DN Username</fielddescr>\n");
+	fwrite($fout, "			<fieldname>bind_dn_username</fieldname>\n");
+	fwrite($fout, "			<description>If \"anonymous bind\" is not supported, please specify the bind username that can access the Base DN hierarchy.</description>\n");
+	fwrite($fout, "			<type>input</type>\n");
+	fwrite($fout, "			<size>30</size>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		<field>\n");
+	fwrite($fout, "			<fielddescr>Bind DN Password</fielddescr>\n");
+	fwrite($fout, "			<fieldname>bind_dn_password</fieldname>\n");
+	fwrite($fout, "			<description>This is the associated password with the Bind DN Username previously specified.</description>\n");
+	fwrite($fout, "			<type>password</type>\n");
+	fwrite($fout, "		</field>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	</fields>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "	<custom_add_php_command_late>\n");
+	fwrite($fout, "		require_once(\"/usr/local/pkg/squid_ng.inc\");\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		mod_htpasswd();\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "		global_write_squid_config();\n");
+	fwrite($fout, "		mwexec(\"/usr/local/sbin/squid -k reconfigure\");\n");
+	fwrite($fout, "	</custom_add_php_command_late>\n");
+	fwrite($fout, "\n");
+	fwrite($fout, "</packagegui>\n");
+
+	fclose($fout);
+
+	/* mount filesystem read-only */
+	conf_mount_ro();
+}
+
+/* dynamically re-writes all squid xml files to handle adddeletecolumnitems properly */
+function dynamic_auth_content($pkgvar) {
+
+	switch ($pkgvar) {
+		case "pkg":
+			if ($handle = opendir("/usr/local/pkg")) {
+				while (($file = readdir($handle)) != false) {
+					if (stristr($file, "squid_") && stristr($file, ".xml")) {
+						$filecontents = file("/usr/local/pkg/" . $file);
+						$fout = fopen("/usr/local/pkg/" . $file, "w");
+						foreach($filecontents as $line) {
+							if (stristr($line, "<url>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</url>")) {
+								fwrite($fout, "			<url>/pkg.php?xml=squid_extauth.xml&amp;id=0</url>\n");
+							} else {
+								fwrite($fout, $line);
+							}
+						}
+					}
+				}
+			}
+			break;
+
+		case "pkg_edit":
+			if ($handle = opendir("/usr/local/pkg")) {
+				while (($file = readdir($handle)) != false) {
+					if (stristr($file, "squid_") && stristr($file, ".xml")) {
+						$filecontents = file("/usr/local/pkg/" . $file);
+						$fout = fopen("/usr/local/pkg/" . $file,"w");
+						foreach($filecontents as $line) {
+							if (stristr($line, "<url>/pkg.php?xml=squid_extauth.xml&amp;id=0</url>")) {
+								fwrite($fout, "			<url>/pkg_edit.php?xml=squid_extauth.xml&amp;id=0</url>\n");
+							} else {
+								fwrite($fout, $line);
+							}
+						}
+					}
+				}
+			}
+			break;
+	}
+
+} /* end function dynamic_auth_content */
+?>
\ No newline at end of file