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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
// 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 <string>
#include <vector>
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/browser/service_host/utility_process_host.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_features.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/test_service.mojom.h"
#include "content/test/sandbox_status.test-mojom.h"
#include "media/gpu/buildflags.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "ppapi/buildflags/buildflags.h"
#include "sandbox/policy/linux/sandbox_linux.h"
#include "sandbox/policy/mojom/sandbox.mojom.h"
#include "sandbox/policy/sandbox_type.h"
#include "sandbox/policy/switches.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/ash/components/assistant/buildflags.h"
#endif // BUILDFLAG(IS_CHROMEOS)
using sandbox::mojom::Sandbox;
using sandbox::policy::SandboxLinux;
namespace {
std::vector<Sandbox> GetSandboxTypesToTest() {
std::vector<Sandbox> types;
// We need the standard sandbox config to run this test.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
sandbox::policy::switches::kNoSandbox)) {
return types;
}
for (Sandbox t = Sandbox::kNoSandbox; t <= Sandbox::kMaxValue;
t = static_cast<Sandbox>(static_cast<int>(t) + 1)) {
// These sandbox types can't be spawned in a utility process.
if (t == Sandbox::kRenderer || t == Sandbox::kGpu ||
t == Sandbox::kZygoteIntermediateSandbox) {
continue;
}
types.push_back(t);
}
return types;
}
} // namespace
namespace content {
constexpr char kTestProcessName[] = "sandbox_test_process";
class UtilityProcessSandboxBrowserTest
: public ContentBrowserTest,
public ::testing::WithParamInterface<Sandbox> {
public:
UtilityProcessSandboxBrowserTest() = default;
~UtilityProcessSandboxBrowserTest() override = default;
protected:
void RunUtilityProcess() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
base::RunLoop run_loop;
done_closure_ =
base::BindOnce(&UtilityProcessSandboxBrowserTest::DoneRunning,
base::Unretained(this), run_loop.QuitClosure());
EXPECT_TRUE(UtilityProcessHost::Start(
UtilityProcessHost::Options()
.WithSandboxType(GetParam())
.WithName(u"SandboxTestProcess")
.WithMetricsName(kTestProcessName)
.WithBoundReceiverOnChildProcessForTesting(
service_.BindNewPipeAndPassReceiver())
.Pass()));
service_->GetSandboxStatus(
base::BindOnce(&UtilityProcessSandboxBrowserTest::OnGotSandboxStatus,
base::Unretained(this)));
run_loop.Run();
}
private:
void OnGotSandboxStatus(int32_t sandbox_status) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// Aside from kNoSandbox, every utility process launched explicitly with a
// sandbox type should always end up with a sandbox.
switch (GetParam()) {
case Sandbox::kNoSandbox:
EXPECT_EQ(sandbox_status, 0);
break;
case Sandbox::kCdm:
#if BUILDFLAG(ENABLE_PPAPI)
case Sandbox::kPpapi:
#endif
case Sandbox::kOnDeviceModelExecution:
case Sandbox::kPrintCompositor:
case Sandbox::kService:
case Sandbox::kServiceWithJit:
case Sandbox::kUtility: {
constexpr int kExpectedFullSandboxFlags =
SandboxLinux::kPIDNS | SandboxLinux::kNetNS |
SandboxLinux::kSeccompBPF | SandboxLinux::kYama |
SandboxLinux::kSeccompTSYNC | SandboxLinux::kUserNS;
EXPECT_EQ(sandbox_status, kExpectedFullSandboxFlags);
break;
}
case Sandbox::kAudio:
#if BUILDFLAG(USE_LINUX_VIDEO_ACCELERATION)
case Sandbox::kHardwareVideoDecoding:
case Sandbox::kHardwareVideoEncoding:
#endif
#if BUILDFLAG(IS_CHROMEOS)
case Sandbox::kIme:
case Sandbox::kTts:
case Sandbox::kNearby:
#if BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
case Sandbox::kLibassistant:
#endif // BUILDFLAG(ENABLE_CROS_LIBASSISTANT)
#endif // BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_LINUX)
case Sandbox::kVideoEffects:
case Sandbox::kOnDeviceTranslation:
#endif
case Sandbox::kNetwork:
case Sandbox::kPrintBackend:
case Sandbox::kScreenAI:
case Sandbox::kSpeechRecognition: {
constexpr int kExpectedPartialSandboxFlags =
SandboxLinux::kSeccompBPF | SandboxLinux::kYama |
SandboxLinux::kSeccompTSYNC;
EXPECT_EQ(sandbox_status, kExpectedPartialSandboxFlags);
break;
}
case Sandbox::kGpu:
case Sandbox::kRenderer:
case Sandbox::kZygoteIntermediateSandbox:
NOTREACHED();
}
service_.reset();
GetUIThreadTaskRunner({})->PostTask(FROM_HERE, std::move(done_closure_));
}
void DoneRunning(base::OnceClosure quit_closure) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::move(quit_closure).Run();
}
mojo::Remote<mojom::SandboxStatusService> service_;
base::OnceClosure done_closure_;
};
IN_PROC_BROWSER_TEST_P(UtilityProcessSandboxBrowserTest, VerifySandboxType) {
#if BUILDFLAG(IS_LINUX) && BUILDFLAG(USE_LINUX_VIDEO_ACCELERATION)
if (GetParam() == Sandbox::kHardwareVideoDecoding) {
// TODO(b/195769334): On Linux, this test fails with
// Sandbox::kHardwareVideoDecoding because the pre-sandbox hook needs Ozone
// which is not available in the utility process that this test starts. We
// need to remove the Ozone dependency and re-enable this test.
//
GTEST_SKIP();
}
if (GetParam() == Sandbox::kHardwareVideoEncoding) {
// TODO(b/248540499): On Linux, this test fails with
// Sandbox::kHardwareVideoEncoding because the pre-sandbox hook needs Ozone
// which is not available in the utility process that this test starts. We
// need to remove the Ozone dependency and re-enable this test.
GTEST_SKIP();
}
#endif
RunUtilityProcess();
}
INSTANTIATE_TEST_SUITE_P(
All,
UtilityProcessSandboxBrowserTest,
testing::ValuesIn(GetSandboxTypesToTest()),
[](const testing::TestParamInfo<
UtilityProcessSandboxBrowserTest::ParamType>& info) {
auto name = sandbox::policy::StringFromUtilitySandboxType(info.param);
name[0] = base::ToUpperASCII(name[0]);
return name;
});
// In some configurations (e.g. Linux ASAN) GetSandboxTypesToTest() returns an
// empty list. Suppress runtime warnings about unparameterized tests. See
// https://crbug.com/1192206
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(UtilityProcessSandboxBrowserTest);
} // namespace content
|
