Back to index

lightning-sunbird  0.9+nobinonly
nsNSSCertCache.cpp
Go to the documentation of this file.
00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is the Netscape security libraries.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corporation.
00018  * Portions created by the Initial Developer are Copyright (C) 2000
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *
00023  * Alternatively, the contents of this file may be used under the terms of
00024  * either the GNU General Public License Version 2 or later (the "GPL"), or
00025  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00026  * in which case the provisions of the GPL or the LGPL are applicable instead
00027  * of those above. If you wish to allow use of your version of this file only
00028  * under the terms of either the GPL or the LGPL, and not to allow others to
00029  * use your version of this file under the terms of the MPL, indicate your
00030  * decision by deleting the provisions above and replace them with the notice
00031  * and other provisions required by the GPL or the LGPL. If you do not delete
00032  * the provisions above, a recipient may use your version of this file under
00033  * the terms of any one of the MPL, the GPL or the LGPL.
00034  *
00035  * ***** END LICENSE BLOCK ***** */
00036 
00037 #include "nsNSSCertCache.h"
00038 #include "nsAutoLock.h"
00039 #include "cert.h"
00040 #include "nsCOMPtr.h"
00041 #include "nsIInterfaceRequestor.h"
00042 #include "nsNSSHelper.h"
00043 
00044 NS_IMPL_THREADSAFE_ISUPPORTS1(nsNSSCertCache, nsINSSCertCache)
00045 
00046 nsNSSCertCache::nsNSSCertCache()
00047 :mCertList(nsnull)
00048 {
00049   mutex = PR_NewLock();
00050 }
00051 
00052 nsNSSCertCache::~nsNSSCertCache()
00053 {
00054   nsNSSShutDownPreventionLock locker;
00055   if (isAlreadyShutDown())
00056     return;
00057 
00058   destructorSafeDestroyNSSReference();
00059   shutdown(calledFromObject);
00060 }
00061 
00062 void nsNSSCertCache::virtualDestroyNSSReference()
00063 {
00064   destructorSafeDestroyNSSReference();
00065 }
00066 
00067 void nsNSSCertCache::destructorSafeDestroyNSSReference()
00068 {
00069   if (isAlreadyShutDown())
00070     return;
00071 
00072   if (mCertList) {
00073     CERT_DestroyCertList(mCertList);
00074   }
00075   if (mutex) {
00076     PR_DestroyLock(mutex);
00077     mutex = nsnull;
00078   }
00079 }
00080 
00081 NS_IMETHODIMP
00082 nsNSSCertCache::CacheAllCerts()
00083 {
00084   nsNSSShutDownPreventionLock locker;
00085   if (isAlreadyShutDown())
00086     return NS_ERROR_NOT_AVAILABLE;
00087 
00088   {
00089     nsAutoLock lock(mutex);
00090     if (mCertList) {
00091       CERT_DestroyCertList(mCertList);
00092       mCertList = nsnull;
00093     }
00094   }
00095 
00096   nsCOMPtr<nsIInterfaceRequestor> cxt = new PipUIContext();
00097   
00098   CERTCertList *newList = PK11_ListCerts(PK11CertListUnique, cxt);
00099 
00100   if (newList) {
00101     nsAutoLock lock(mutex);
00102     mCertList = newList;
00103   }
00104   
00105   return NS_OK;
00106 }
00107 
00108 void* nsNSSCertCache::GetCachedCerts()
00109 {
00110   if (isAlreadyShutDown())
00111     return nsnull;
00112 
00113   nsAutoLock lock(mutex);
00114   return mCertList;
00115 }