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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CRYPTO_SCOPED_NSS_TYPES_H_
#define CRYPTO_SCOPED_NSS_TYPES_H_
#include <keyhi.h>
#include <nss.h>
#include <pk11pub.h>
#include <plarena.h>
#include <memory>
namespace crypto {
template <typename Type, void (*Destroyer)(Type*)>
struct NSSDestroyer {
void operator()(Type* ptr) const {
Destroyer(ptr);
}
};
template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit>
struct NSSDestroyer1 {
void operator()(Type* ptr) const {
Destroyer(ptr, freeit);
}
};
// Define some convenient scopers around NSS pointers.
typedef std::unique_ptr<
PK11Context,
NSSDestroyer1<PK11Context, PK11_DestroyContext, PR_TRUE>>
ScopedPK11Context;
typedef std::unique_ptr<PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot>>
ScopedPK11Slot;
typedef std::unique_ptr<PK11SlotList,
NSSDestroyer<PK11SlotList, PK11_FreeSlotList>>
ScopedPK11SlotList;
typedef std::unique_ptr<PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey>>
ScopedPK11SymKey;
typedef std::unique_ptr<SECKEYPublicKey,
NSSDestroyer<SECKEYPublicKey, SECKEY_DestroyPublicKey>>
ScopedSECKEYPublicKey;
typedef std::unique_ptr<
SECKEYPrivateKey,
NSSDestroyer<SECKEYPrivateKey, SECKEY_DestroyPrivateKey>>
ScopedSECKEYPrivateKey;
typedef std::unique_ptr<
SECAlgorithmID,
NSSDestroyer1<SECAlgorithmID, SECOID_DestroyAlgorithmID, PR_TRUE>>
ScopedSECAlgorithmID;
typedef std::unique_ptr<SECItem,
NSSDestroyer1<SECItem, SECITEM_FreeItem, PR_TRUE>>
ScopedSECItem;
typedef std::unique_ptr<PLArenaPool,
NSSDestroyer1<PLArenaPool, PORT_FreeArena, PR_FALSE>>
ScopedPLArenaPool;
} // namespace crypto
#endif // CRYPTO_SCOPED_NSS_TYPES_H_