security/manager/ssl/src/nsNSSCertCache.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
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  14  * The Original Code is the Netscape security libraries.
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  36
  37 #include "nsNSSCertCache.h"
  38 #include "nsNSSCertificate.h"
  39 #include "nsAutoLock.h"
  40 #include "cert.h"
  41 #include "nsCOMPtr.h"
  42 #include "nsIInterfaceRequestor.h"
  43 #include "nsNSSHelper.h"
  44
  45 NS_IMPL_THREADSAFE_ISUPPORTS1(nsNSSCertCache, nsINSSCertCache)
  46
  47 nsNSSCertCache::nsNSSCertCache()
  48 :mCertList(nsnull)
  49 {
  50   mutex = PR_NewLock();
  51 }
  52
  53 nsNSSCertCache::~nsNSSCertCache()
  54 {
  55   nsNSSShutDownPreventionLock locker;
  56   if (isAlreadyShutDown())
  57     return;
  58
  59   destructorSafeDestroyNSSReference();
  60   shutdown(calledFromObject);
  61 }
  62
  63 void nsNSSCertCache::virtualDestroyNSSReference()
  64 {
  65   destructorSafeDestroyNSSReference();
  66 }
  67
  68 void nsNSSCertCache::destructorSafeDestroyNSSReference()
  69 {
  70   if (isAlreadyShutDown())
  71     return;
  72
  73   if (mutex) {
  74     PR_DestroyLock(mutex);
  75     mutex = nsnull;
  76   }
  77 }
  78
  79 NS_IMETHODIMP
  80 nsNSSCertCache::CacheAllCerts()
  81 {
  82   nsNSSShutDownPreventionLock locker;
  83   if (isAlreadyShutDown())
  84     return NS_ERROR_NOT_AVAILABLE;
  85
  86   nsCOMPtr<nsIInterfaceRequestor> cxt = new PipUIContext();
  87
  88   CERTCertList *newList = PK11_ListCerts(PK11CertListUnique, cxt);
  89
  90   if (newList) {
  91     nsAutoLock lock(mutex);
  92     mCertList = new nsNSSCertList(newList, PR_TRUE); // adopt
  93   }
  94
  95   return NS_OK;
  96 }
  97
  98 NS_IMETHODIMP
  99 nsNSSCertCache::CacheCertList(nsIX509CertList *list)
 100 {
 101   nsNSSShutDownPreventionLock locker;
 102   if (isAlreadyShutDown())
 103     return NS_ERROR_NOT_AVAILABLE;
 104
 105   {
 106     nsAutoLock lock(mutex);
 107     mCertList = list;
 108     //NS_ADDREF(mCertList);
 109   }
 110
 111   return NS_OK;
 112 }
 113
 114 NS_IMETHODIMP
 115 nsNSSCertCache::GetX509CachedCerts(nsIX509CertList **list)
 116 {
 117   nsNSSShutDownPreventionLock locker;
 118   if (isAlreadyShutDown())
 119     return NS_ERROR_NOT_AVAILABLE;
 120
 121   {
 122     nsAutoLock lock(mutex);
 123     if (!mCertList) {
 124       return NS_ERROR_NOT_AVAILABLE;
 125     }
 126     *list = mCertList;
 127     NS_ADDREF(*list);
 128   }
 129
 130   return NS_OK;
 131 }
 132
 133
 134
 135 void* nsNSSCertCache::GetCachedCerts()
 136 {
 137   if (isAlreadyShutDown())
 138     return nsnull;
 139
 140   nsAutoLock lock(mutex);
 141   return mCertList->GetRawCertList();
 142 }