1 // Copyright 2012 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "crypto/mock_apple_keychain.h"
6
7 #include "base/check_op.h"
8 #include "base/metrics/histogram_macros.h"
9 #include "base/time/time.h"
10
11 namespace {
12
13 // Adds an entry to a local histogram to indicate that the Apple Keychain would
14 // have been accessed, if this class were not a mock of the Apple Keychain.
IncrementKeychainAccessHistogram()15 void IncrementKeychainAccessHistogram() {
16 // This local histogram is accessed by Telemetry to track the number of times
17 // the keychain is accessed, since keychain access is known to be synchronous
18 // and slow.
19 LOCAL_HISTOGRAM_BOOLEAN("OSX.Keychain.Access", true);
20 }
21
22 } // namespace
23
24 namespace crypto {
25
FindGenericPassword(UInt32 serviceNameLength,const char * serviceName,UInt32 accountNameLength,const char * accountName,UInt32 * passwordLength,void ** passwordData,AppleSecKeychainItemRef * itemRef) const26 OSStatus MockAppleKeychain::FindGenericPassword(
27 UInt32 serviceNameLength,
28 const char* serviceName,
29 UInt32 accountNameLength,
30 const char* accountName,
31 UInt32* passwordLength,
32 void** passwordData,
33 AppleSecKeychainItemRef* itemRef) const {
34 IncrementKeychainAccessHistogram();
35
36 // When simulating |noErr|, return canned |passwordData| and
37 // |passwordLength|. Otherwise, just return given code.
38 if (find_generic_result_ == noErr) {
39 static const char kPassword[] = "my_password";
40 DCHECK(passwordData);
41 // The function to free this data is mocked so the cast is fine.
42 *passwordData = const_cast<char*>(kPassword);
43 DCHECK(passwordLength);
44 *passwordLength = std::size(kPassword);
45 password_data_count_++;
46 }
47
48 return find_generic_result_;
49 }
50
ItemFreeContent(void * data) const51 OSStatus MockAppleKeychain::ItemFreeContent(void* data) const {
52 // No-op.
53 password_data_count_--;
54 return noErr;
55 }
56
AddGenericPassword(UInt32 serviceNameLength,const char * serviceName,UInt32 accountNameLength,const char * accountName,UInt32 passwordLength,const void * passwordData,AppleSecKeychainItemRef * itemRef) const57 OSStatus MockAppleKeychain::AddGenericPassword(
58 UInt32 serviceNameLength,
59 const char* serviceName,
60 UInt32 accountNameLength,
61 const char* accountName,
62 UInt32 passwordLength,
63 const void* passwordData,
64 AppleSecKeychainItemRef* itemRef) const {
65 IncrementKeychainAccessHistogram();
66
67 called_add_generic_ = true;
68
69 DCHECK_GT(passwordLength, 0U);
70 DCHECK(passwordData);
71 return noErr;
72 }
73
GetEncryptionPassword() const74 std::string MockAppleKeychain::GetEncryptionPassword() const {
75 IncrementKeychainAccessHistogram();
76 return "mock_password";
77 }
78
79 } // namespace crypto
80