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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/renderer_main_platform_delegate.h" | 5 #include "content/renderer/renderer_main_platform_delegate.h" |
6 | 6 |
7 #include <Carbon/Carbon.h> | 7 #include <Carbon/Carbon.h> |
8 #import <Cocoa/Cocoa.h> | 8 #import <Cocoa/Cocoa.h> |
9 #include <objc/runtime.h> | 9 #include <objc/runtime.h> |
10 | 10 |
11 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #import "base/mac/foundation_util.h" | 13 #import "base/mac/foundation_util.h" |
14 #import "base/mac/mac_util.h" | 14 #import "base/mac/mac_util.h" |
15 #include "base/mac/scoped_cftyperef.h" | 15 #include "base/mac/scoped_cftyperef.h" |
16 #include "base/strings/string_number_conversions.h" | |
16 #include "base/strings/sys_string_conversions.h" | 17 #include "base/strings/sys_string_conversions.h" |
17 #include "content/common/sandbox_mac.h" | 18 #include "content/common/sandbox_mac.h" |
18 #include "content/public/common/content_switches.h" | 19 #include "content/public/common/content_switches.h" |
19 #import "content/public/common/injection_test_mac.h" | 20 #import "content/public/common/injection_test_mac.h" |
20 #include "content/common/sandbox_init_mac.h" | 21 #include "content/common/sandbox_init_mac.h" |
21 #include "third_party/mach_override/mach_override.h" | 22 #include "third_party/mach_override/mach_override.h" |
22 | 23 |
23 extern "C" { | 24 extern "C" { |
24 // SPI logging functions for CF that are exported externally. | 25 // SPI logging functions for CF that are exported externally. |
25 void CFLog(int32_t level, CFStringRef format, ...); | 26 void CFLog(int32_t level, CFStringRef format, ...); |
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61 return; | 62 return; |
62 } | 63 } |
63 } | 64 } |
64 | 65 |
65 va_list args; | 66 va_list args; |
66 va_start(args, format); | 67 va_start(args, format); |
67 _CFLogvEx(NULL, NULL, NULL, level, format, args); | 68 _CFLogvEx(NULL, NULL, NULL, level, format, args); |
68 va_end(args); | 69 va_end(args); |
69 } | 70 } |
70 | 71 |
72 // You are about to read a pretty disgusting hack. In a static initializer, | |
Avi (use Gerrit)
2014/02/25 19:54:47
Yes, this is disgusting.
| |
73 // CoreFoundation decides to connect with cfprefsd(8) using Mach IPC. There is | |
74 // no public way to close this Mach port after-the-fact, nor a way to stop it | |
75 // from happening since it is done pre-main in dyld. But the address of the | |
76 // CFMachPort can be found in the run loop's string description. Below, that | |
77 // address is parsed, cast, and then used to invalidate the Mach port to | |
78 // disable communication with cfprefsd. | |
79 void DisconnectCFNotificationCenter() { | |
80 base::ScopedCFTypeRef<CFStringRef> run_loop_description( | |
81 CFCopyDescription(CFRunLoopGetCurrent())); | |
82 const CFIndex length = CFStringGetLength(run_loop_description); | |
83 for (CFIndex i = 0; i < length; ) { | |
84 // Find the start of a CFMachPort run loop source, which looks like this, | |
85 // without new lines: | |
86 // 1 : <CFRunLoopSource 0x7d16ea90 [0xa160af80]>{signalled = No, | |
87 // valid = Yes, order = 0, context = | |
88 // <CFMachPort 0x7d16fe00 [0xa160af80]>{valid = Yes, port = 3a0f, | |
89 // source = 0x7d16ea90, callout = | |
90 // _ZL14MessageHandlerP12__CFMachPortPvlS1_ (0x96df59c2), context = | |
91 // <CFMachPort context 0x1475b>}} | |
92 CFRange run_loop_source_context_range; | |
93 if (!CFStringFindWithOptions(run_loop_description, | |
94 CFSTR(", context = <CFMachPort "), CFRangeMake(i, length - i), | |
95 0, &run_loop_source_context_range)) { | |
96 break; | |
97 } | |
98 i = run_loop_source_context_range.location + | |
99 run_loop_source_context_range.length; | |
100 | |
101 // The address of the CFMachPort is the first hexadecimal address after the | |
102 // CF type name. | |
103 CFRange port_address_range = CFRangeMake(i, 0); | |
104 for (CFIndex j = port_address_range.location; j < length; ++j) { | |
105 UniChar c = CFStringGetCharacterAtIndex(run_loop_description, j); | |
106 if (c == ' ') | |
107 break; | |
108 ++port_address_range.length; | |
109 } | |
110 | |
111 base::ScopedCFTypeRef<CFStringRef> port_address_string( | |
112 CFStringCreateWithSubstring(NULL, run_loop_description, | |
113 port_address_range)); | |
114 if (!port_address_string) | |
115 continue; | |
116 | |
117 // Convert the string to an address. | |
118 std::string port_address_std_string = | |
119 base::SysCFStringRefToUTF8(port_address_string); | |
120 #if __LP64__ | |
121 uint64 port_address = 0; | |
122 if (!base::HexStringToUInt64(port_address_std_string, &port_address)) | |
123 continue; | |
124 #else | |
125 uint32 port_address = 0; | |
126 if (!base::HexStringToUInt(port_address_std_string, &port_address)) | |
127 continue; | |
128 #endif | |
129 | |
130 // Cast the address to an object. | |
131 CFMachPortRef mach_port = reinterpret_cast<CFMachPortRef>(port_address); | |
132 if (CFGetTypeID(mach_port) != CFMachPortGetTypeID()) | |
133 continue; | |
134 | |
135 // Verify that this is the Mach port that needs to be disconnected by the | |
136 // name of its callout function. Example description (no new lines): | |
137 // <CFMachPort 0x7d16fe00 [0xa160af80]>{valid = Yes, port = 3a0f, source = | |
138 // 0x7d16ea90, callout = __CFXNotificationReceiveFromServer (0x96df59c2), | |
139 // context = <CFMachPort context 0x1475b>} | |
140 base::ScopedCFTypeRef<CFStringRef> port_description( | |
141 CFCopyDescription(mach_port)); | |
142 if (CFStringFindWithOptions(port_description, | |
143 CFSTR(", callout = __CFXNotificationReceiveFromServer ("), | |
144 CFRangeMake(0, CFStringGetLength(port_description)), | |
145 0, | |
146 NULL)) { | |
147 CFMachPortInvalidate(mach_port); | |
148 return; | |
149 } | |
150 } | |
151 } | |
152 | |
71 } // namespace | 153 } // namespace |
72 | 154 |
73 RendererMainPlatformDelegate::RendererMainPlatformDelegate( | 155 RendererMainPlatformDelegate::RendererMainPlatformDelegate( |
74 const MainFunctionParams& parameters) | 156 const MainFunctionParams& parameters) |
75 : parameters_(parameters) { | 157 : parameters_(parameters) { |
76 } | 158 } |
77 | 159 |
78 RendererMainPlatformDelegate::~RendererMainPlatformDelegate() { | 160 RendererMainPlatformDelegate::~RendererMainPlatformDelegate() { |
79 } | 161 } |
80 | 162 |
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166 base::ScopedCFTypeRef<TISInputSourceRef> layout_source( | 248 base::ScopedCFTypeRef<TISInputSourceRef> layout_source( |
167 TISCopyCurrentKeyboardLayoutInputSource()); | 249 TISCopyCurrentKeyboardLayoutInputSource()); |
168 base::ScopedCFTypeRef<TISInputSourceRef> input_source( | 250 base::ScopedCFTypeRef<TISInputSourceRef> input_source( |
169 TISCopyCurrentKeyboardInputSource()); | 251 TISCopyCurrentKeyboardInputSource()); |
170 | 252 |
171 CFTypeRef source_list[] = { layout_source.get(), input_source.get() }; | 253 CFTypeRef source_list[] = { layout_source.get(), input_source.get() }; |
172 g_text_input_services_source_list_ = CFArrayCreate(kCFAllocatorDefault, | 254 g_text_input_services_source_list_ = CFArrayCreate(kCFAllocatorDefault, |
173 source_list, arraysize(source_list), &kCFTypeArrayCallBacks); | 255 source_list, arraysize(source_list), &kCFTypeArrayCallBacks); |
174 } | 256 } |
175 | 257 |
258 DisconnectCFNotificationCenter(); | |
259 | |
176 return sandbox_initialized; | 260 return sandbox_initialized; |
177 } | 261 } |
178 | 262 |
179 void RendererMainPlatformDelegate::RunSandboxTests(bool no_sandbox) { | 263 void RendererMainPlatformDelegate::RunSandboxTests(bool no_sandbox) { |
180 Class tests_runner = objc_getClass("RendererSandboxTestsRunner"); | 264 Class tests_runner = objc_getClass("RendererSandboxTestsRunner"); |
181 if (tests_runner) { | 265 if (tests_runner) { |
182 if (![tests_runner runTests]) | 266 if (![tests_runner runTests]) |
183 LOG(ERROR) << "Running renderer with failing sandbox tests!"; | 267 LOG(ERROR) << "Running renderer with failing sandbox tests!"; |
184 [sandbox_tests_bundle_ unload]; | 268 [sandbox_tests_bundle_ unload]; |
185 [sandbox_tests_bundle_ release]; | 269 [sandbox_tests_bundle_ release]; |
186 sandbox_tests_bundle_ = nil; | 270 sandbox_tests_bundle_ = nil; |
187 } | 271 } |
188 } | 272 } |
189 | 273 |
190 } // namespace content | 274 } // namespace content |
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