rc: mock '-h 0' behaviour of pw usermod for easier installer access

src/etc/rc.initial.password

@@ -31,21 +31,34 @@
 require_once('config.inc');
 require_once('auth.inc');
 
-$password = isset($argv[1]) ? $argv[1] : '';
-$confirm = isset($argv[2]) ? $argv[2] : '';
+$fp = fopen('php://stdin', 'r');
 
-if (!empty($password) && $password === $confirm) {
-     /* the installer needs this code to change the password */
+if (isset($argv[1]) && isset($argv[2]) && $argv[1] === '-h' && $argv[2] === '0') {
      $admin_user = &getUserEntryByUID(0);
-     if ($admin_user) {
-         local_user_set_password($admin_user, $password);
-         write_config('Root user reset from console');
+     if (!$admin_user) {
+         echo "user not found\n";
+         exit(1);
      }
+
+     echo "new password for user {$admin_user['name']}:";
+     shell_exec('/bin/stty -echo');
+     $password = chop(fgets($fp));
+     shell_exec('/bin/stty echo');
+     echo "\n";
+
+     if (empty($password)) {
+         echo "empty password read\n";
+         exit(1);
+     }
+
+     local_user_set_password($admin_user, $password);
+     local_user_set($admin_user);
+
+     write_config('Root user reset from console');
+
      exit(0);
 }
 
-$fp = fopen('php://stdin', 'r');
-
 echo "The root user login behaviour will be restored to its defaults.\n\nDo you want to proceed? [y/N]: ";
 
 if (strcasecmp(chop(fgets($fp)), 'y') != 0) {