From ffb04de2302e6cc71c0aa80e6e1fa2ee73a6a3c9 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Sat, 25 Apr 2015 11:11:28 -0400
Subject: [PATCH] - Changed password generation function - Fixed password length in lost password function

---
 interface/lib/classes/auth.inc.php     |   43 +++++++++++++++++++++++++++++++++++++------
 interface/web/login/password_reset.php |    8 ++++++--
 2 files changed, 43 insertions(+), 8 deletions(-)

diff --git a/interface/lib/classes/auth.inc.php b/interface/lib/classes/auth.inc.php
index ae626b7..9640a4b 100644
--- a/interface/lib/classes/auth.inc.php
+++ b/interface/lib/classes/auth.inc.php
@@ -174,13 +174,44 @@
 		
 	}
 
-	public function get_random_password($length = 8) {
-		$base64_alphabet='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-		$password = '';
-		for ($n=0;$n<$length;$n++) {
-			$password.=$base64_alphabet[mt_rand(0, 63)];
+	public function get_random_password($minLength = 8, $special = false) {
+		$minLength = $minLength || 10;
+		if($minLength < 8) $minLength = 8;
+		$maxLength = $minLength + 5;
+		$length = mt_rand($minLength, $maxLength);
+		
+		$alphachars = "abcdefghijklmnopqrstuvwxyz";
+		$upperchars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+		$numchars = "1234567890";
+		$specialchars = "!@#_";
+		
+		$num_special = 0;
+		if($special == true) {
+			$num_special = intval(mt_rand(0, round($length / 4))) + 1;
 		}
-		return $password;
+		$numericlen = mt_rand(1, 2);
+		$alphalen = $length - $num_special - $numericlen;
+		$upperlen = intval($alphalen / 2);
+		$alphalen = $alphalen - $upperlen;
+		$password = '';
+		
+		for($i = 0; $i < $alphalen; $i++) {
+			$password .= substr($alphachars, mt_rand(0, strlen($alphachars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $upperlen; $i++) {
+			$password .= substr($upperchars, mt_rand(0, strlen($upperchars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $num_special; $i++) {
+			$password .= substr($specialchars, mt_rand(0, strlen($specialchars) - 1), 1);
+		}
+		
+		for($i = 0; $i < $numericlen; $i++) {
+			$password .= substr($numchars, mt_rand(0, strlen($numchars) - 1), 1);
+		}
+		
+		return str_shuffle($password);
 	}
 
 	public function crypt_password($cleartext_password) {
diff --git a/interface/web/login/password_reset.php b/interface/web/login/password_reset.php
index 9625934..683a4bc 100644
--- a/interface/web/login/password_reset.php
+++ b/interface/web/login/password_reset.php
@@ -60,7 +60,11 @@
 		$app->tpl->setVar("error", $wb['lost_password_function_disabled_txt']);
 	} else {
 		if($client['client_id'] > 0) {
-			$new_password = $app->auth->get_random_password();
+			$server_config_array = $app->getconf->get_global_config();
+			$min_password_length = 8;
+			if(isset($server_config_array['misc']['min_password_length'])) $min_password_length = $server_config_array['misc']['min_password_length'];
+			
+			$new_password = $app->auth->get_random_password($min_password_length, true);
 			$new_password_encrypted = $app->auth->crypt_password($new_password);
 
 			$username = $client['username'];
@@ -69,7 +73,7 @@
 			$app->tpl->setVar("message", $wb['pw_reset']);
 
 			$app->uses('getconf,ispcmail');
-			$mail_config = $app->getconf->get_global_config('mail');
+			$mail_config = $server_config_array['mail'];
 			if($mail_config['smtp_enabled'] == 'y') {
 				$mail_config['use_smtp'] = true;
 				$app->ispcmail->setOptions($mail_config);

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