Fix locating nss3 library on OS X

lib/utils.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 71 matching lines @@
    */
   get platformVersion()
   {
     let platformVersion = Services.appinfo.platformVersion;
     Utils.__defineGetter__("platformVersion", function() platformVersion);
     return Utils.platformVersion;
   },
 
   /**
    * Retrieves a string from global.properties string bundle, will throw if string isn't found.
-   * 
+   *
    * @param {String} name  string name
    * @return {String}
    */
   getString: function(name)
   {
     // Randomize URI to work around bug 719376
     let stringBundle = Services.strings.createBundle("chrome://adblockplus/locale/global.properties?" + Math.random());
     Utils.getString = function(name)
     {
       return stringBundle.GetStringFromName(name);
     }
     return Utils.getString(name);
   },
 
   /**
    * Shows an alert message like window.alert() but with a custom title.
-   * 
+   *
    * @param {Window} parentWindow  parent window of the dialog (can be null)
    * @param {String} message  message to be displayed
    * @param {String} [title]  dialog title, default title will be used if omitted
    */
   alert: function(parentWindow, message, title)
   {
     if (!title)
       title = Utils.getString("default_dialog_title");
     Utils.promptService.alert(parentWindow, title, message);
   },
 
   /**
    * Asks the user for a confirmation like window.confirm() but with a custom title.
-   * 
+   *
    * @param {Window} parentWindow  parent window of the dialog (can be null)
    * @param {String} message  message to be displayed
    * @param {String} [title]  dialog title, default title will be used if omitted
    * @return {Bool}
    */
   confirm: function(parentWindow, message, title)
   {
     if (!title)
       title = Utils.getString("default_dialog_title");
     return Utils.promptService.confirm(parentWindow, title, message);
   },
 
   /**
    * Retrieves the window for a document node.
    * @return {Window} will be null if the node isn't associated with a window
    */
   getWindow: function(/**Node*/ node)
   {
     if ("ownerDocument" in node && node.ownerDocument)
       node = node.ownerDocument;
-  
+
     if ("defaultView" in node)
       return node.defaultView;
-  
+
     return null;
   },
 
   /**
    * Retrieves the top-level chrome window for a content window.
    */
   getChromeWindow: function(/**Window*/ window) /**Window*/
   {
     return window.QueryInterface(Ci.nsIInterfaceRequestor)
                  .getInterface(Ci.nsIWebNavigation)
@@ skipping 73 matching lines @@
   /**
    * Gets the DOM window associated with a particular request (if any).
    */
   getRequestWindow: function(/**nsIChannel*/ channel) /**nsIDOMWindow*/
   {
     try
     {
       if (channel.notificationCallbacks)
         return channel.notificationCallbacks.getInterface(Ci.nsILoadContext).associatedWindow;
     } catch(e) {}
-  
+
     try
     {
       if (channel.loadGroup && channel.loadGroup.notificationCallbacks)
         return channel.loadGroup.notificationCallbacks.getInterface(Ci.nsILoadContext).associatedWindow;
     } catch(e) {}
 
     return null;
   },
 
   /**
    * Generates filter subscription checksum.
    *
    * @param {Array of String} lines filter subscription lines (with checksum line removed)
    * @return {String} checksum or null
    */
   generateChecksum: function(lines)
   {
     let stream = null;
     try
     {
       // Checksum is an MD5 checksum (base64-encoded without the trailing "=") of
       // all lines in UTF-8 without the checksum line, joined with "\n".
-  
+
       let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
       converter.charset = "UTF-8";
       stream = converter.convertToInputStream(lines.join("\n"));
-  
+
       let hashEngine = Cc["@mozilla.org/security/hash;1"].createInstance(Ci.nsICryptoHash);
       hashEngine.init(hashEngine.MD5);
       hashEngine.updateFromStream(stream, stream.available());
       return hashEngine.finish(true).replace(/=+$/, "");
     }
     catch (e)
     {
       return null;
     }
     finally
@@ skipping 267 matching lines @@
 XPCOMUtils.defineLazyServiceGetter(Utils, "parentMessageManager", "@mozilla.org/parentprocessmessagemanager;1", "nsIFrameMessageManager");
 XPCOMUtils.defineLazyServiceGetter(Utils, "httpProtocol", "@mozilla.org/network/protocol;1?name=http", "nsIHttpProtocolHandler");
 XPCOMUtils.defineLazyServiceGetter(Utils, "clipboard", "@mozilla.org/widget/clipboard;1", "nsIClipboard");
 XPCOMUtils.defineLazyServiceGetter(Utils, "clipboardHelper", "@mozilla.org/widget/clipboardhelper;1", "nsIClipboardHelper");
 XPCOMUtils.defineLazyGetter(Utils, "crypto", function()
 {
   try
   {
     let ctypes = Components.utils.import("resource://gre/modules/ctypes.jsm", null).ctypes;
 
-    let nsslib = ctypes.open(ctypes.libraryName("nss3"));
+    let nsslib;
+    try
+    {
+      nsslib = ctypes.open(ctypes.libraryName("nss3"));
+    }
+    catch (e)
+    {
+      // It seems that on Mac OS X the full path name needs to be specified
+      let file = Services.dirsvc.get("GreD", Ci.nsILocalFile);
+      file.append(ctypes.libraryName("nss3"));
+      nsslib = ctypes.open(file.path);
+    }
 
     let result = {};
 
     // seccomon.h
     result.siUTF8String = 14;
 
     // secoidt.h
     result.SEC_OID_ISO_SHA_WITH_RSA_SIGNATURE = 15;
 
     // The following types are opaque to us
@@ skipping 130 matching lines @@
     Cu.reportError(e);
     // Expected, ctypes isn't supported in Gecko 1.9.2
     return null;
   }
 });
 
 if ("@mozilla.org/messenger/headerparser;1" in Cc)
   XPCOMUtils.defineLazyServiceGetter(Utils, "headerParser", "@mozilla.org/messenger/headerparser;1", "nsIMsgHeaderParser");
 else
   Utils.headerParser = null;