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[platform/framework/web/chromium-efl.git] / crypto / apple_keychain_mac.cc
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/apple_keychain.h"
6
7 #include "base/memory/raw_ptr.h"
8 #include "base/synchronization/lock.h"
9 #include "crypto/mac_security_services_lock.h"
10
11 namespace {
12
13 // Supports the pattern where a function F(T* out) allows |out| to be nullptr
14 // but its implementation requires a T variable even in the absence of |out|.
15 // Such a function can maintain a local OptionalOutParameter<T> to provide the
16 // internal T value, assigning its value to *out on destruction if possible.
17 template <typename T>
18 class OptionalOutParameter {
19  public:
20   OptionalOutParameter(const OptionalOutParameter&) = delete;
21   OptionalOutParameter& operator=(const OptionalOutParameter&) = delete;
22
23   OptionalOutParameter(T* out, T value = T()) : out_(out), value_(value) {}
24
25   ~OptionalOutParameter() {
26     if (out_) {
27       *out_ = value_;
28     }
29   }
30
31   OptionalOutParameter& operator=(T value) {
32     value_ = value;
33     return *this;
34   }
35   operator T() const { return value_; }
36
37  private:
38   const raw_ptr<T> out_;
39   T value_;
40 };
41
42 }  // namespace
43
44 // Much of the Keychain API was marked deprecated as of the macOS 13 SDK.
45 // Removal of its use is tracked in https://crbug.com/1348251 but deprecation
46 // warnings are disabled in the meanwhile.
47 #pragma clang diagnostic push
48 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
49
50 namespace crypto {
51
52 AppleKeychain::AppleKeychain() = default;
53
54 AppleKeychain::~AppleKeychain() = default;
55
56 OSStatus AppleKeychain::FindGenericPassword(
57     UInt32 service_name_length,
58     const char* service_name,
59     UInt32 account_name_length,
60     const char* account_name,
61     UInt32* password_length,
62     void** password_data,
63     AppleSecKeychainItemRef* item) const {
64   base::AutoLock lock(GetMacSecurityServicesLock());
65   return SecKeychainFindGenericPassword(
66       nullptr, service_name_length, service_name, account_name_length,
67       account_name, password_length, password_data, item);
68 }
69
70 OSStatus AppleKeychain::ItemFreeContent(void* data) const {
71   base::AutoLock lock(GetMacSecurityServicesLock());
72   return SecKeychainItemFreeContent(nullptr, data);
73 }
74
75 OSStatus AppleKeychain::AddGenericPassword(
76     UInt32 service_name_length,
77     const char* service_name,
78     UInt32 account_name_length,
79     const char* account_name,
80     UInt32 password_length,
81     const void* password_data,
82     AppleSecKeychainItemRef* item) const {
83   base::AutoLock lock(GetMacSecurityServicesLock());
84   return SecKeychainAddGenericPassword(
85       nullptr, service_name_length, service_name, account_name_length,
86       account_name, password_length, password_data, item);
87 }
88
89 OSStatus AppleKeychain::ItemDelete(AppleSecKeychainItemRef item) const {
90   base::AutoLock lock(GetMacSecurityServicesLock());
91   return SecKeychainItemDelete(item);
92 }
93
94 ScopedKeychainUserInteractionAllowed::ScopedKeychainUserInteractionAllowed(
95     Boolean allowed,
96     OSStatus* status) {
97   Boolean was_allowed;
98   OptionalOutParameter<OSStatus> local_status(
99       status, SecKeychainGetUserInteractionAllowed(&was_allowed));
100   if (local_status != noErr) {
101     return;
102   }
103
104   local_status = SecKeychainSetUserInteractionAllowed(allowed);
105   if (local_status != noErr) {
106     return;
107   }
108
109   was_allowed_ = was_allowed;
110 }
111
112 ScopedKeychainUserInteractionAllowed::~ScopedKeychainUserInteractionAllowed() {
113   if (was_allowed_) {
114     SecKeychainSetUserInteractionAllowed(*was_allowed_);
115   }
116 }
117
118 #pragma clang diagnostic pop
119
120 }  // namespace crypto