| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 | PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey; |
| 42 | typedef scoped_ptr_malloc< |
| 43 | SECKEYPublicKey, NSSDestroyer<SECKEYPublicKey, SECKEY_DestroyPublicKey> > |
| 44 | ScopedSECKEYPublicKey; |
| 45 | typedef scoped_ptr_malloc< |
| 46 | SECKEYPrivateKey, NSSDestroyer<SECKEYPrivateKey, SECKEY_DestroyPrivateKey> > |
| 47 | ScopedSECKEYPrivateKey; |
| 48 | typedef scoped_ptr_malloc< |
| 49 | SECAlgorithmID, NSSDestroyer1<SECAlgorithmID, |
| 50 | SECOID_DestroyAlgorithmID, |
| 51 | PR_TRUE> > ScopedSECAlgorithmID; |
| 52 | typedef scoped_ptr_malloc< |
| 53 | SECItem, NSSDestroyer1<SECItem, |
| 54 | SECITEM_FreeItem, |
| 55 | PR_TRUE> > ScopedSECItem; |
| 56 | typedef scoped_ptr_malloc< |
| 57 | PLArenaPool, NSSDestroyer1<PLArenaPool, |
| 58 | PORT_FreeArena, |
| 59 | PR_FALSE> > ScopedPLArenaPool; |
| 60 | |
| 61 | } // namespace crypto |
| 62 | |
| 63 | #endif // CRYPTO_SCOPED_NSS_TYPES_H_ |