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_malloc< 35 PK11Context, NSSDestroyer1<PK11Context, 36 PK11_DestroyContext, 37 PR_TRUE> > ScopedPK11Context; 38 typedef scoped_ptr_malloc< 39 PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot> > ScopedPK11Slot; 40 typedef scoped_ptr_malloc< 41 PK11SlotList, NSSDestroyer<PK11SlotList, 42 PK11_FreeSlotList> > ScopedPK11SlotList; 43 typedef scoped_ptr_malloc< 44 PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey; 45 typedef scoped_ptr_malloc< 46 SECKEYPublicKey, NSSDestroyer<SECKEYPublicKey, SECKEY_DestroyPublicKey> > 47 ScopedSECKEYPublicKey; 48 typedef scoped_ptr_malloc< 49 SECKEYPrivateKey, NSSDestroyer<SECKEYPrivateKey, SECKEY_DestroyPrivateKey> > 50 ScopedSECKEYPrivateKey; 51 typedef scoped_ptr_malloc< 52 SECAlgorithmID, NSSDestroyer1<SECAlgorithmID, 53 SECOID_DestroyAlgorithmID, 54 PR_TRUE> > ScopedSECAlgorithmID; 55 typedef scoped_ptr_malloc< 56 SECItem, NSSDestroyer1<SECItem, 57 SECITEM_FreeItem, 58 PR_TRUE> > ScopedSECItem; 59 typedef scoped_ptr_malloc< 60 PLArenaPool, NSSDestroyer1<PLArenaPool, 61 PORT_FreeArena, 62 PR_FALSE> > ScopedPLArenaPool; 63 64 } // namespace crypto 65 66 #endif // CRYPTO_SCOPED_NSS_TYPES_H_ 67
