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77 lines
2.6 KiB
77 lines
2.6 KiB
1 year ago
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<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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define('DEST_FILENAME', __DIR__.'/top_passwords.txt');
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$files = [];
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for ($i = 1; $argc > $i; $i++) {
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if (!is_readable($argv[$i]) || !is_file($argv[$i])) {
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fwrite(STDERR, 'The file "'.$argv[$i].'" does not exist or is not readable.'."\n");
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exit(1);
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}
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$files[$argv[$i]] = true;
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}
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if (!$files) {
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fwrite(STDERR, 'No input file specified.'."\n");
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exit(1);
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}
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// Make a list of unique passwords from all source files.
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$passwords = [];
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foreach (array_keys($files) as $filename) {
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$passwords += array_flip(file($filename, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES));
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}
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$passwords = array_keys($passwords);
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// Remove passwords containing non-printable characters.
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$passwords = array_filter($passwords, function ($password) {
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return !preg_match('/[^\x20-\x7e]/', $password);
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});
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// Base64-encode each password and add quotes around it.
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$passwords = array_map('base64_encode', $passwords);
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// Generate file.
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$source = "#\n".
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"# This file is meant to strengthen password validation for internal users. Passwords included in the list are considered\n".
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"# weak due to their common use and are not allowed to be chosen by Zabbix internal users for security reasons. The file \n".
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"# is generated automatically from the list of NCSC \"Top 100k passwords\", the list of SecLists \"Top 1M passwords\" and the\n".
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"# list of Zabbix context-specific passwords.\n".
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"#\n".
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"# The list of passwords is used to check for commonly used passwords according to the password policy. Passwords are\n".
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"# stored as base64-encoded strings. There must be two newlines before passwords.\n".
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"#\n".
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"\n".
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"\n".
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implode("\n", $passwords).
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"\n";
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if (file_put_contents(DEST_FILENAME, $source)) {
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fwrite(STDOUT, 'File written: "'.DEST_FILENAME.'"'."\n");
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exit(0);
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}
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else {
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fwrite(STDERR, 'Cannot write file: "'.DEST_FILENAME.'"'."\n");
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exit(1);
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}
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