Index: sites/all/modules/extra_voting_forms/extra_voting_forms.module
===================================================================
--- sites/all/modules/extra_voting_forms/extra_voting_forms.module	(revision 56)
+++ sites/all/modules/extra_voting_forms/extra_voting_forms.module	(working copy)
@@ -574,7 +574,7 @@
 
   // Convert the limit into seconds...
   $limit_every *= 3600;
-  $result = db_result(db_query("SELECT COUNT(*) AS count FROM {votingapi_vote} WHERE uid = %d AND value_type = '%s' AND tag = '%s' AND timestamp > UNIX_TIMESTAMP(CURRENT_TIMESTAMP()) - %d", $account->uid, 'points', 'vote', $limit_every));
+  $result = db_result(db_query("SELECT COUNT(*) AS count FROM {votingapi_vote} WHERE uid = %d AND value_type = '%s' AND tag = '%s' AND timestamp > UNIX_TIMESTAMP(CURRENT_TIMESTAMP()) - %d", _extra_voting_forms_get_uid(), 'points', 'vote', $limit_every));
 
   // Over the limit: don't accept it!
   if ($result > $limit) {
@@ -606,18 +606,18 @@
 
   $total_points = variable_get('extra_voting_forms_abuse_total_points', '');
   $total_every = variable_get('extra_voting_forms_abuse_total_every', '');
-  
+
   // If person_points is not set, don't bother
   if ($total_points == '') {
     return FALSE;
   }
-  
+
   // Convert total_every into seconds...
   $total_every  *= 3600;
 
   // Find out how many points were awarded over the last however long
 
-  $result = db_result(db_query("SELECT SUM(abs(value)) FROM {votingapi_vote} WHERE uid = %d AND value_type = '%s' AND tag = '%s' AND timestamp > UNIX_TIMESTAMP(CURRENT_TIMESTAMP()) - %d", $account->uid, 'points', 'vote', $total_every));
+  $result = db_result(db_query("SELECT SUM(abs(value)) FROM {votingapi_vote} WHERE uid = %d AND value_type = '%s' AND tag = '%s' AND timestamp > UNIX_TIMESTAMP(CURRENT_TIMESTAMP()) - %d", _extra_voting_forms_get_uid(), 'points', 'vote', $total_every));
 
   $result += abs($vote);
 
@@ -692,7 +692,7 @@
  * an error message or '' if all OK). And then, it returns that error/result
  * to the user "the right way" using extra_voting_forms_return()
  * To know what the "right way" is, see extra_voting_forms_return()
- * 
+ *
  * @return
  *   The response. It might be just a string (no page template, or anything)
  *   or it could be a full page.
     if ($form_type != 'ajax' && $form_type != 'form') {
       drupal_set_message(t('Error in the parameters!'), 'error');
       drupal_goto('node/'. $o->nid);
-    }    
+    }
 
     // It's a direct form, and the user doesn't
     // have voting rights!
-    if ($form_type != 'ajax' && $user->uid == 0) {
+    if ($form_type != 'ajax' && _extra_voting_forms_get_uid() == 0) {
       drupal_goto(extra_voting_forms_anonymous_url(), "destination=". extra_voting_forms_destination($o) );
     }
 
@@ -770,11 +770,13 @@
   if ($account == NULL) {
     $account = $user;
   }
-  
-  // The user is not logged in: RETURN with error
+
+  // The user is not logged in: RETURN with error
+  /*
   if ($account->uid == 0) {
     return array( t("Only logged in users can vote!"), 0 );
   }
+*/
 
   #if($user->uid == 11061){
   #  drupal_set_message('o->sk_type '.$o->sk_type);
@@ -785,7 +787,7 @@
 
   // The user can't vote on his/her own comments, return error
   // (Note: admin and the karma admin can!)
-  if ($o->sk_type == 'c' && $account->uid == $o->uid && $account->uid != 1 & ! user_access('voting administrator', $account)) {
+  if ($o->sk_type == 'c' && _extra_voting_forms_get_uid() == $o->uid && _extra_voting_forms_get_uid() != 1 & ! user_access('voting administrator', $account)) {
     return array( t("You can't vote on your own comments!"), 0 );
   }
 
@@ -821,7 +823,7 @@
   $criteria['content_id'] = $o->sk_id;
   $criteria['value_type'] = 'points';
   $criteria['tag'] = 'vote';
-  $criteria['uid'] = $account->uid;
+  $criteria['uid'] = _extra_voting_forms_get_uid();
 
   $existing_vote_cast = votingapi_select_votes($criteria);
   $existing_vote = (int)$existing_vote_cast[0]['value'];
@@ -860,11 +862,11 @@
     }
   }
 
-  // Give the actual vote using the Voting API 
+  // Give the actual vote using the Voting API
   $votes = array();
   $votes['content_type'] = extra_voting_forms_c($o->sk_type);
   $votes['content_id'] = $o->sk_id;
-  $votes['uid']  = $account->uid;
+  $votes['uid']  = _extra_voting_forms_get_uid();
   $votes['value_type'] = 'points';
   $votes['value'] = $vote;
   $result = votingapi_set_votes($votes);
@@ -881,7 +883,28 @@
   $r = (int)$r[0]['value'];
   return array('', $r);
 }
-
+
+function _extra_voting_forms_get_uid() {
+ global $user;
+
+  if ($user->uid) {
+    $uid = $user->uid;
+  }
+  else if (variable_get('vote_up_down_anonymous_vote', 1)) {
+    // Fake uid for anonymous users.
+    // If the IP is valid turn it into a integer and add the number of the current day.
+    // The current day is what limit anonymous voting to one vote per day and IP address.
+    $hostname = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : ip_address();
+    if ($long = ip2long($hostname)) {
+      $uid = abs($long) + date('z');
+    }
+  }
+  else {
+    $uid = NULL;
+  }
+
+  return $uid;
+}
 function extra_voting_forms_c($sk_type) {
   return $sk_type == 'n' ? 'node' : 'comment';
 }
@@ -1035,9 +1058,6 @@
 function extra_voting_forms_show_form($o, $force_type, $style = 1, $substyle = 'big') {
   global $user;
 
-  // Important so that the theme's default is not applied
-  $voting_not_allowed_flag = FALSE;
-
   // Sets the right "extra sk variables" for the object according to the
   // forced type
   if ($force_type == 'c') {
@@ -1048,7 +1068,7 @@
     $o->sk_id   = $o->nid;
     $o->sk_type = 'n';
   }
-  
+
   // Just a small sanity check on the form style
   if ($substyle != 'big' && $substyle != 'small') {
     $substyle = "big";
@@ -1064,10 +1084,10 @@
   // Modules can actually turn off the displaying of any forms
   //
   global $extra_voting_forms_HIDE;
-  
+
   if ($extra_voting_forms_HIDE) {
     return;
-  }  
+  }
 
   // To avoid nested form not working in IE and Opera
   // we do not display karma comment voting on preview
@@ -1080,17 +1100,17 @@
   if ($o->sk_type == 'c' && !variable_get('extra_voting_forms_allow_karma_for_comments', FALSE)) {
     return '';
   }
-  
+
   // The module is set so that it doesn't give the ability to vote
   // based on this particulat note type. Don't return the form.
   $types = variable_get('extra_voting_forms_node_types_applied', array() );
   if ($o->sk_type == 'n' && ! $types[$o->type] ) {
     return '';
   }
-  
+
   // Don't offer the form if the comment is the user's AND the user is not
   // a karma administrator or "admin"
-  if ($o->sk_type == 'c' && $user->uid == $o->uid && $user->uid != 1 && ! user_access('voting administrator')) {
+  if ($o->sk_type == 'c' && _extra_voting_forms_get_uid() == $o->uid && _extra_voting_forms_get_uid() != 1 && ! user_access('voting administrator')) {
     $voting_not_allowed_flag=TRUE;
   }
 
@@ -1099,11 +1119,11 @@
   // ****************************************************************
   // This will get the record. If != NULL, then a vote (even 0) WAS cast
   $criteria = array();
-  $criteria['content_type'] = extra_voting_forms_c($o->sk_type); 
+  $criteria['content_type'] = extra_voting_forms_c($o->sk_type);
   $criteria['content_id'] = $o->sk_id;
   $criteria['value_type'] = 'points';
   $criteria['tag'] = 'vote';
-  $criteria['uid'] = $user->uid;
+  $criteria['uid'] = _extra_voting_forms_get_uid();
   $existing_vote_cast = votingapi_select_votes($criteria);
 
   // Integer representation of the vote
@@ -1115,20 +1135,21 @@
   if ($only_one_vote_allowed && ! user_access('voting administrator') && $existing_vote_cast) {
     $voting_not_allowed_flag = TRUE;
   }
- 
+
   // The user does not have voting rights: RETURN with error
   if (!user_access('give points with extra voting forms')) {
     $voting_not_allowed_flag = TRUE;
   }
- 
-  // Voting is "sort of" allowed to anonymous...! 
+
+  // Voting is "sort of" allowed to anonymous...!
   // The voter will be redirected...
-  $draw_js_destination_variable_flag = FALSE;
+  $draw_js_destination_variable_flag = FALSE;
+  /*
   if ($user->uid == 0) {
     $voting_not_allowed_flag = FALSE;
     $draw_js_destination_variable_flag = TRUE;
   }
-
+*/
   // Don't allow showing the form past its time limit
   if ($o->sk_type == 'c') {
     $t = $o->timestamp;