forked from WebKit/WebKit
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSecItemShim.cpp
More file actions
157 lines (128 loc) · 5.37 KB
/
SecItemShim.cpp
File metadata and controls
157 lines (128 loc) · 5.37 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
* Copyright (C) 2011-2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SecItemShim.h"
#if ENABLE(SEC_ITEM_SHIM)
#include "BlockingResponseMap.h"
#include "NetworkProcess.h"
#include "SecItemRequestData.h"
#include "SecItemResponseData.h"
#include "SecItemShimProxyMessages.h"
#include <Security/Security.h>
#include <atomic>
#include <dlfcn.h>
#include <mutex>
#include <wtf/ProcessPrivilege.h>
#include <wtf/threads/BinarySemaphore.h>
#if USE(APPLE_INTERNAL_SDK)
#include <CFNetwork/CFURLConnectionPriv.h>
#else
struct _CFNFrameworksStubs {
CFIndex version;
OSStatus (*SecItem_stub_CopyMatching)(CFDictionaryRef query, CFTypeRef *result);
OSStatus (*SecItem_stub_Add)(CFDictionaryRef attributes, CFTypeRef *result);
OSStatus (*SecItem_stub_Update)(CFDictionaryRef query, CFDictionaryRef attributesToUpdate);
OSStatus (*SecItem_stub_Delete)(CFDictionaryRef query);
};
#endif
extern "C" void _CFURLConnectionSetFrameworkStubs(const struct _CFNFrameworksStubs* stubs);
namespace WebKit {
static WeakPtr<NetworkProcess>& globalNetworkProcess()
{
static NeverDestroyed<WeakPtr<NetworkProcess>> networkProcess;
return networkProcess.get();
}
static std::optional<SecItemResponseData> sendSecItemRequest(SecItemRequestData::Type requestType, CFDictionaryRef query, CFDictionaryRef attributesToMatch = 0)
{
if (RunLoop::isMain()) {
auto sendSync = globalNetworkProcess()->parentProcessConnection()->sendSync(Messages::SecItemShimProxy::SecItemRequestSync(SecItemRequestData(requestType, query, attributesToMatch)), 0);
auto [response] = sendSync.takeReplyOr(std::nullopt);
return response;
}
std::optional<SecItemResponseData> response;
BinarySemaphore semaphore;
RunLoop::main().dispatch([&] {
if (!globalNetworkProcess()) {
semaphore.signal();
return;
}
globalNetworkProcess()->parentProcessConnection()->sendWithAsyncReply(Messages::SecItemShimProxy::SecItemRequest(SecItemRequestData(requestType, query, attributesToMatch)), [&](auto reply) {
if (reply)
response = WTFMove(*reply);
semaphore.signal();
});
});
semaphore.wait();
return response;
}
static OSStatus webSecItemCopyMatching(CFDictionaryRef query, CFTypeRef* result)
{
auto response = sendSecItemRequest(SecItemRequestData::Type::CopyMatching, query);
if (!response)
return errSecInteractionNotAllowed;
*result = response->resultObject().leakRef();
return response->resultCode();
}
static OSStatus webSecItemAdd(CFDictionaryRef query, CFTypeRef* unusedResult)
{
// Return value of SecItemAdd should be ignored for WebKit use cases. WebKit can't serialize SecKeychainItemRef, so we do not use it.
// If someone passes a result value to be populated, the API contract is being violated so we should assert.
if (unusedResult) {
ASSERT_NOT_REACHED();
return errSecParam;
}
auto response = sendSecItemRequest(SecItemRequestData::Type::Add, query);
if (!response)
return errSecInteractionNotAllowed;
return response->resultCode();
}
static OSStatus webSecItemUpdate(CFDictionaryRef query, CFDictionaryRef attributesToUpdate)
{
auto response = sendSecItemRequest(SecItemRequestData::Type::Update, query, attributesToUpdate);
if (!response)
return errSecInteractionNotAllowed;
return response->resultCode();
}
static OSStatus webSecItemDelete(CFDictionaryRef query)
{
auto response = sendSecItemRequest(SecItemRequestData::Type::Delete, query);
if (!response)
return errSecInteractionNotAllowed;
return response->resultCode();
}
void initializeSecItemShim(NetworkProcess& process)
{
globalNetworkProcess() = process;
struct _CFNFrameworksStubs stubs = {
.version = 0,
.SecItem_stub_CopyMatching = webSecItemCopyMatching,
.SecItem_stub_Add = webSecItemAdd,
.SecItem_stub_Update = webSecItemUpdate,
.SecItem_stub_Delete = webSecItemDelete,
};
_CFURLConnectionSetFrameworkStubs(&stubs);
}
} // namespace WebKit
#endif // ENABLE(SEC_ITEM_SHIM)