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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.
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/histogram.h"
#include "base/time/time.h"
#include "crypto/mock_apple_keychain.h"
namespace {
// Adds an entry to a local histogram to indicate that the Apple Keychain would
// have been accessed, if this class were not a mock of the Apple Keychain.
void IncrementKeychainAccessHistogram() {
// This local histogram is accessed by Telemetry to track the number of times
// the keychain is accessed, since keychain access is known to be synchronous
// and slow.
LOCAL_HISTOGRAM_BOOLEAN("OSX.Keychain.Access", true);
}
} // namespace
namespace crypto {
OSStatus MockAppleKeychain::FindGenericPassword(
CFTypeRef keychainOrArray,
UInt32 serviceNameLength,
const char* serviceName,
UInt32 accountNameLength,
const char* accountName,
UInt32* passwordLength,
void** passwordData,
SecKeychainItemRef* itemRef) const {
IncrementKeychainAccessHistogram();
// When simulating |noErr|, return canned |passwordData| and
// |passwordLength|. Otherwise, just return given code.
if (find_generic_result_ == noErr) {
static const char kPassword[] = "my_password";
DCHECK(passwordData);
// The function to free this data is mocked so the cast is fine.
*passwordData = const_cast<char*>(kPassword);
DCHECK(passwordLength);
*passwordLength = arraysize(kPassword);
password_data_count_++;
}
return find_generic_result_;
}
OSStatus MockAppleKeychain::ItemFreeContent(SecKeychainAttributeList* attrList,
void* data) const {
// No-op.
password_data_count_--;
return noErr;
}
OSStatus MockAppleKeychain::AddGenericPassword(
SecKeychainRef keychain,
UInt32 serviceNameLength,
const char* serviceName,
UInt32 accountNameLength,
const char* accountName,
UInt32 passwordLength,
const void* passwordData,
SecKeychainItemRef* itemRef) const {
IncrementKeychainAccessHistogram();
called_add_generic_ = true;
DCHECK_GT(passwordLength, 0U);
DCHECK(passwordData);
add_generic_password_ =
std::string(const_cast<char*>(static_cast<const char*>(passwordData)),
passwordLength);
return noErr;
}
std::string MockAppleKeychain::GetEncryptionPassword() const {
IncrementKeychainAccessHistogram();
return "mock_password";
}
} // namespace crypto
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