blob: 1caf159300af5f8910d0c691c6eb5b2475d9f9a0 (
plain)
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
158
159
160
161
|
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/utility_sandbox_delegate.h"
#include "base/check.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "components/services/screen_ai/buildflags/buildflags.h"
#include "content/public/common/sandboxed_process_launcher_delegate.h"
#include "content/public/common/zygote/zygote_buildflags.h"
#include "ppapi/buildflags/buildflags.h"
#include "printing/buildflags/buildflags.h"
#include "sandbox/policy/mojom/sandbox.mojom.h"
#if BUILDFLAG(USE_ZYGOTE)
#include "content/common/zygote/zygote_handle_impl_linux.h"
#include "sandbox/policy/sandbox_type.h"
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "chromeos/ash/components/assistant/buildflags.h"
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
namespace content {
UtilitySandboxedProcessLauncherDelegate::
UtilitySandboxedProcessLauncherDelegate(
sandbox::mojom::Sandbox sandbox_type,
const base::EnvironmentMap& env,
const base::CommandLine& cmd_line)
:
#if BUILDFLAG(IS_POSIX)
env_(env),
#endif
sandbox_type_(sandbox_type),
cmd_line_(cmd_line) {
#if DCHECK_IS_ON()
bool supported_sandbox_type =
sandbox_type_ == sandbox::mojom::Sandbox::kNoSandbox ||
#if BUILDFLAG(IS_WIN)
sandbox_type_ ==
sandbox::mojom::Sandbox::kNoSandboxAndElevatedPrivileges ||
sandbox_type_ == sandbox::mojom::Sandbox::kXrCompositing ||
sandbox_type_ == sandbox::mojom::Sandbox::kPdfConversion ||
sandbox_type_ == sandbox::mojom::Sandbox::kIconReader ||
sandbox_type_ == sandbox::mojom::Sandbox::kMediaFoundationCdm ||
sandbox_type_ == sandbox::mojom::Sandbox::kWindowsSystemProxyResolver ||
#endif
#if BUILDFLAG(IS_MAC)
sandbox_type_ == sandbox::mojom::Sandbox::kMirroring ||
#endif
sandbox_type_ == sandbox::mojom::Sandbox::kUtility ||
sandbox_type_ == sandbox::mojom::Sandbox::kService ||
sandbox_type_ == sandbox::mojom::Sandbox::kServiceWithJit ||
sandbox_type_ == sandbox::mojom::Sandbox::kNetwork ||
sandbox_type_ == sandbox::mojom::Sandbox::kCdm ||
#if BUILDFLAG(ENABLE_OOP_PRINTING)
sandbox_type_ == sandbox::mojom::Sandbox::kPrintBackend ||
#endif
sandbox_type_ == sandbox::mojom::Sandbox::kPrintCompositor ||
#if BUILDFLAG(ENABLE_PPAPI)
sandbox_type_ == sandbox::mojom::Sandbox::kPpapi ||
#endif
#if BUILDFLAG(IS_FUCHSIA)
sandbox_type_ == sandbox::mojom::Sandbox::kVideoCapture ||
#endif
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
sandbox_type_ == sandbox::mojom::Sandbox::kHardwareVideoDecoding ||
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
sandbox_type_ == sandbox::mojom::Sandbox::kHardwareVideoEncoding ||
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_CHROMEOS_ASH)
sandbox_type_ == sandbox::mojom::Sandbox::kIme ||
sandbox_type_ == sandbox::mojom::Sandbox::kTts ||
#if BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
sandbox_type_ == sandbox::mojom::Sandbox::kLibassistant ||
#endif // BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(ENABLE_SCREEN_AI_SERVICE)
sandbox_type_ == sandbox::mojom::Sandbox::kScreenAI ||
#endif
sandbox_type_ == sandbox::mojom::Sandbox::kAudio ||
sandbox_type_ == sandbox::mojom::Sandbox::kSpeechRecognition;
DCHECK(supported_sandbox_type);
#endif // DCHECK_IS_ON()
}
UtilitySandboxedProcessLauncherDelegate::
~UtilitySandboxedProcessLauncherDelegate() = default;
sandbox::mojom::Sandbox
UtilitySandboxedProcessLauncherDelegate::GetSandboxType() {
return sandbox_type_;
}
#if BUILDFLAG(IS_POSIX)
base::EnvironmentMap UtilitySandboxedProcessLauncherDelegate::GetEnvironment() {
return env_;
}
#endif // BUILDFLAG(IS_POSIX)
#if BUILDFLAG(USE_ZYGOTE)
ZygoteCommunication* UtilitySandboxedProcessLauncherDelegate::GetZygote() {
if (zygote_.has_value()) {
return zygote_.value();
}
// If the sandbox has been disabled for a given type, don't use a zygote.
if (sandbox::policy::IsUnsandboxedSandboxType(sandbox_type_))
return nullptr;
// TODO(crbug.com/1427280): remove this special case and fork from the zygote.
// For now, browser tests fail when forking the network service from the
// unsandboxed zygote, as the forked process only creates the
// NetworkServiceTestHelper if the process is exec'd.
if (sandbox_type_ == sandbox::mojom::Sandbox::kNetwork) {
return nullptr;
}
// Utility processes which need specialized sandboxes fork from the
// unsandboxed zygote and then apply their actual sandboxes in the forked
// process upon startup.
if (sandbox_type_ == sandbox::mojom::Sandbox::kNetwork ||
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
sandbox_type_ == sandbox::mojom::Sandbox::kHardwareVideoDecoding ||
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
sandbox_type_ == sandbox::mojom::Sandbox::kHardwareVideoEncoding ||
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_CHROMEOS_ASH)
sandbox_type_ == sandbox::mojom::Sandbox::kIme ||
sandbox_type_ == sandbox::mojom::Sandbox::kTts ||
#if BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
sandbox_type_ == sandbox::mojom::Sandbox::kLibassistant ||
#endif // BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
sandbox_type_ == sandbox::mojom::Sandbox::kAudio ||
#if BUILDFLAG(ENABLE_OOP_PRINTING)
sandbox_type_ == sandbox::mojom::Sandbox::kPrintBackend ||
#endif
#if BUILDFLAG(ENABLE_SCREEN_AI_SERVICE)
sandbox_type_ == sandbox::mojom::Sandbox::kScreenAI ||
#endif
sandbox_type_ == sandbox::mojom::Sandbox::kSpeechRecognition) {
return GetUnsandboxedZygote();
}
// All other types use the pre-sandboxed zygote.
return GetGenericZygote();
}
void UtilitySandboxedProcessLauncherDelegate::SetZygote(
ZygoteCommunication* handle) {
zygote_ = handle;
}
#endif // BUILDFLAG(USE_ZYGOTE)
} // namespace content
|
