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8ff5ffcc
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Matthew Grooms
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<?php
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/*
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ac24dc24
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Renato Botelho
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* crypt.inc
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*
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* part of pfSense (https://www.pfsense.org)
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81299b5c
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Renato Botelho
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* Copyright (c) 2008-2016 Rubicon Communications, LLC (Netgate)
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ac24dc24
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Renato Botelho
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* Copyright (c) 2008 Shrew Soft Inc. All rights reserved.
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* All rights reserved.
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*
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* originally part of m0n0wall (http://m0n0.ch/wall)
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c5d81585
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Renato Botelho
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* Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>.
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ac24dc24
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Renato Botelho
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* All rights reserved.
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*
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b12ea3fb
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Renato Botelho
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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ac24dc24
|
Renato Botelho
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*
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b12ea3fb
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Renato Botelho
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* http://www.apache.org/licenses/LICENSE-2.0
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| 19 |
ac24dc24
|
Renato Botelho
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*
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b12ea3fb
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Renato Botelho
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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ac24dc24
|
Renato Botelho
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*/
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8ff5ffcc
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Matthew Grooms
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e22eca36
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jim-p
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function crypt_data($val, $pass, $opt) {
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$file = tempnam("/tmp", "php-encrypt");
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3be0dff4
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jim-p
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file_put_contents("{$file}.dec", $val);
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2ec95f1f
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Renato Botelho
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exec("/usr/bin/openssl enc {$opt} -aes-256-cbc -in {$file}.dec -out {$file}.enc -k " . escapeshellarg($pass));
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1e0b1727
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Phil Davis
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if (file_exists("{$file}.enc")) {
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15855fbc
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jim-p
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$result = file_get_contents("{$file}.enc");
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1e0b1727
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Phil Davis
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} else {
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15855fbc
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jim-p
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$result = "";
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| 35 |
d18f3f6e
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Phil Davis
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log_error(gettext("Failed to encrypt/decrypt data!"));
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| 36 |
15855fbc
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jim-p
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}
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@unlink($file);
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@unlink("{$file}.dec");
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@unlink("{$file}.enc");
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e22eca36
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jim-p
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return $result;
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| 41 |
8ff5ffcc
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Matthew Grooms
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}
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function encrypt_data(& $data, $pass) {
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return base64_encode(crypt_data($data, $pass, "-e"));
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}
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function decrypt_data(& $data, $pass) {
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return crypt_data(base64_decode($data), $pass, "-d");
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}
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function tagfile_reformat($in, & $out, $tag) {
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$out = "---- BEGIN {$tag} ----\n";
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$size = 80;
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$oset = 0;
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while ($size >= 64) {
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$line = substr($in, $oset, 64);
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$out .= $line."\n";
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$size = strlen($line);
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$oset += $size;
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}
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$out .= "---- END {$tag} ----\n";
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return true;
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}
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function tagfile_deformat($in, & $out, $tag) {
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$btag_val = "---- BEGIN {$tag} ----";
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$etag_val = "---- END {$tag} ----";
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$btag_len = strlen($btag_val);
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$etag_len = strlen($etag_val);
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$btag_pos = stripos($in, $btag_val);
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$etag_pos = stripos($in, $etag_val);
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| 80 |
1e0b1727
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Phil Davis
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if (($btag_pos === false) || ($etag_pos === false)) {
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| 81 |
8ff5ffcc
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Matthew Grooms
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return false;
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| 82 |
1e0b1727
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Phil Davis
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}
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| 83 |
8ff5ffcc
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Matthew Grooms
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$body_pos = $btag_pos + $btag_len;
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$body_len = strlen($in);
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| 86 |
f5bafe95
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Ermal
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$body_len -= $btag_len;
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$body_len -= $etag_len + 1;
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8ff5ffcc
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Matthew Grooms
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$out = substr($in, $body_pos, $body_len);
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return true;
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}
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| 93 |
5025a56c
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Scott Ullrich
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| 94 |
f5bafe95
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Ermal
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?>
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