backup/restore, cleanup. move crypt.inc to diag_backup.php since it's…

… only used there now.

(cherry picked from commit b145465)

plist

@@ -13,7 +13,6 @@
 /usr/local/etc/inc/certs.inc
 /usr/local/etc/inc/config.inc
 /usr/local/etc/inc/console.inc
-/usr/local/etc/inc/crypt.inc
 /usr/local/etc/inc/filter.inc
 /usr/local/etc/inc/filter.lib.inc
 /usr/local/etc/inc/gwlb.inc

src/etc/inc/config.inc

@@ -36,7 +36,6 @@ openlog($g['product_id'], LOG_ODELAY, LOG_USER);
 register_shutdown_function('closelog');
 
 require_once("xmlparse.inc");
-require_once("crypt.inc");
 require_once("notices.inc");
 require_once("legacy_bindings.inc");
 require_once("certs.inc");

src/www/diag_backup.php

@@ -3,6 +3,7 @@
 /*
     Copyright (C) 2014 Deciso B.V.
     Copyright (C) 2004-2009 Scott Ullrich <sullrich@gmail.com>
+    Copyright (C) 2008 Shrew Soft Inc. <mgrooms@shrew.net>
     Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>
     All rights reserved.
 
@@ -35,6 +36,88 @@
 require_once("rrd.inc");
 require_once("system.inc");
 
+
+function _crypt_data($val, $pass, $opt)
+{
+    $result = '';
+
+    $file = tempnam('/tmp', 'php-encrypt');
+    file_put_contents("{$file}.dec", $val);
+
+    exec(sprintf(
+      '/usr/local/bin/openssl enc %s -aes-256-cbc -in %s.dec -out %s.enc -k %s',
+      escapeshellarg($opt),
+      escapeshellarg($file),
+      escapeshellarg($file),
+      escapeshellarg($pass)
+    ));
+
+    if (file_exists("{$file}.enc")) {
+        $result = file_get_contents("{$file}.enc");
+    } else {
+        log_error('Failed to encrypt/decrypt data!');
+    }
+
+    @unlink($file);
+    @unlink("{$file}.dec");
+    @unlink("{$file}.enc");
+
+    return $result;
+}
+
+function encrypt_data(&$data, $pass)
+{
+    return base64_encode(_crypt_data($data, $pass, '-e'));
+}
+
+function decrypt_data(&$data, $pass)
+{
+    return _crypt_data(base64_decode($data), $pass, '-d');
+}
+
+function tagfile_reformat($in, &$out, $tag)
+{
+    $out = "---- BEGIN {$tag} ----\n";
+
+    $size = 80;
+    $oset = 0;
+    while ($size >= 64) {
+        $line = substr($in, $oset, 64);
+        $out .= $line . "\n";
+        $size = strlen($line);
+        $oset += $size;
+    }
+
+    $out .= "---- END {$tag} ----\n";
+
+    return true;
+}
+
+function tagfile_deformat($in, &$out, $tag)
+{
+    $btag_val = "---- BEGIN {$tag} ----";
+    $etag_val = "---- END {$tag} ----";
+
+    $btag_len = strlen($btag_val);
+    $etag_len = strlen($etag_val);
+
+    $btag_pos = stripos($in, $btag_val);
+    $etag_pos = stripos($in, $etag_val);
+
+    if (($btag_pos === false) || ($etag_pos === false)) {
+        return false;
+    }
+
+    $body_pos = $btag_pos + $btag_len;
+    $body_len = strlen($in);
+    $body_len -= $btag_len;
+    $body_len -= $etag_len + 1;
+
+    $out = substr($in, $body_pos, $body_len);
+
+    return true;
+}
+
 /**
  * restore config section
  * @param string $section_name config section name