1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CRYPTO_SCOPED_NSS_TYPES_H_ 6 #define CRYPTO_SCOPED_NSS_TYPES_H_ 7 8 #include <keyhi.h> 9 #include <nss.h> 10 #include <pk11pub.h> 11 #include <plarena.h> 12 13 #include "base/memory/scoped_ptr.h" 14 15 namespace crypto { 16 17 template <typename Type, void (*Destroyer)(Type*)> 18 struct NSSDestroyer { 19 void operator()(Type* ptr) const { 20 if (ptr) 21 Destroyer(ptr); 22 } 23 }; 24 25 template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit> 26 struct NSSDestroyer1 { 27 void operator()(Type* ptr) const { 28 if (ptr) 29 Destroyer(ptr, freeit); 30 } 31 }; 32 33 // Define some convenient scopers around NSS pointers. 34 typedef scoped_ptr<PK11Context, 35 NSSDestroyer1<PK11Context, PK11_DestroyContext, PR_TRUE> > 36 ScopedPK11Context; 37 typedef scoped_ptr<PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot> > 38 ScopedPK11Slot; 39 typedef scoped_ptr<PK11SlotList, NSSDestroyer<PK11SlotList, PK11_FreeSlotList> > 40 ScopedPK11SlotList; 41 typedef scoped_ptr<PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > 42 ScopedPK11SymKey; 43 typedef scoped_ptr<SECKEYPublicKey, 44 NSSDestroyer<SECKEYPublicKey, SECKEY_DestroyPublicKey> > 45 ScopedSECKEYPublicKey; 46 typedef scoped_ptr<SECKEYPrivateKey, 47 NSSDestroyer<SECKEYPrivateKey, SECKEY_DestroyPrivateKey> > 48 ScopedSECKEYPrivateKey; 49 typedef scoped_ptr<SECAlgorithmID, 50 NSSDestroyer1<SECAlgorithmID, SECOID_DestroyAlgorithmID, 51 PR_TRUE> > 52 ScopedSECAlgorithmID; 53 typedef scoped_ptr<SECItem, NSSDestroyer1<SECItem, SECITEM_FreeItem, PR_TRUE> > 54 ScopedSECItem; 55 typedef scoped_ptr<PLArenaPool, 56 NSSDestroyer1<PLArenaPool, PORT_FreeArena, PR_FALSE> > 57 ScopedPLArenaPool; 58 59 } // namespace crypto 60 61 #endif // CRYPTO_SCOPED_NSS_TYPES_H_ 62
