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 (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <windows.h>
#define _ATL_NO_EXCEPTIONS
#include <atlbase.h>
#include <atlsecurity.h>
#include "base/strings/string16.h"
#include "base/win/scoped_handle.h"
#include "base/win/windows_version.h"
#include "sandbox/win/src/sync_policy_test.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const wchar_t kAppContainerName[] = L"sbox_test";
const wchar_t kAppContainerSid[] =
L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
L"924012148-2839372144";
const ULONG kSharing = FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE;
HANDLE CreateTaggedEvent(const base::string16& name,
const base::string16& sid) {
base::win::ScopedHandle event(CreateEvent(NULL, FALSE, FALSE, name.c_str()));
if (!event.IsValid())
return NULL;
wchar_t file_name[MAX_PATH] = {};
wchar_t temp_directory[MAX_PATH] = {};
GetTempPath(MAX_PATH, temp_directory);
GetTempFileName(temp_directory, L"test", 0, file_name);
base::win::ScopedHandle file;
file.Set(CreateFile(file_name, GENERIC_READ | STANDARD_RIGHTS_READ, kSharing,
NULL, OPEN_EXISTING, 0, NULL));
DeleteFile(file_name);
if (!file.IsValid())
return NULL;
CSecurityDesc sd;
if (!AtlGetSecurityDescriptor(file.Get(), SE_FILE_OBJECT, &sd,
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION)) {
return NULL;
}
PSID local_sid;
if (!ConvertStringSidToSid(sid.c_str(), &local_sid))
return NULL;
CDacl new_dacl;
sd.GetDacl(&new_dacl);
CSid csid(reinterpret_cast<SID*>(local_sid));
new_dacl.AddAllowedAce(csid, EVENT_ALL_ACCESS);
if (!AtlSetDacl(event.Get(), SE_KERNEL_OBJECT, new_dacl))
event.Close();
LocalFree(local_sid);
return event.IsValid() ? event.Take() : NULL;
}
} // namespace
namespace sandbox {
TEST(AppContainerTest, AllowOpenEvent) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_UNPROTECTED, USER_UNPROTECTED);
const wchar_t capability[] = L"S-1-15-3-12345678-87654321";
base::win::ScopedHandle handle(CreateTaggedEvent(L"test", capability));
ASSERT_TRUE(handle.IsValid());
EXPECT_EQ(SBOX_ALL_OK,
runner.broker()->InstallAppContainer(kAppContainerSid,
kAppContainerName));
EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetCapability(capability));
EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetAppContainer(kAppContainerSid));
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"Event_Open f test"));
runner.SetTestState(BEFORE_REVERT);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"Event_Open f test"));
EXPECT_EQ(SBOX_ALL_OK,
runner.broker()->UninstallAppContainer(kAppContainerSid));
}
TEST(AppContainerTest, DenyOpenEvent) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_UNPROTECTED, USER_UNPROTECTED);
const wchar_t capability[] = L"S-1-15-3-12345678-87654321";
base::win::ScopedHandle handle(CreateTaggedEvent(L"test", capability));
ASSERT_TRUE(handle.IsValid());
EXPECT_EQ(SBOX_ALL_OK,
runner.broker()->InstallAppContainer(kAppContainerSid,
kAppContainerName));
EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetAppContainer(kAppContainerSid));
EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"Event_Open f test"));
runner.SetTestState(BEFORE_REVERT);
EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"Event_Open f test"));
EXPECT_EQ(SBOX_ALL_OK,
runner.broker()->UninstallAppContainer(kAppContainerSid));
}
TEST(AppContainerTest, NoImpersonation) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_LIMITED, USER_LIMITED);
EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetAppContainer(kAppContainerSid));
}
TEST(AppContainerTest, WantsImpersonation) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_UNPROTECTED, USER_NON_ADMIN);
EXPECT_EQ(SBOX_ERROR_CANNOT_INIT_APPCONTAINER,
runner.GetPolicy()->SetAppContainer(kAppContainerSid));
}
TEST(AppContainerTest, RequiresImpersonation) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_RESTRICTED, USER_RESTRICTED);
EXPECT_EQ(SBOX_ERROR_CANNOT_INIT_APPCONTAINER,
runner.GetPolicy()->SetAppContainer(kAppContainerSid));
}
TEST(AppContainerTest, DenyOpenEventForLowBox) {
if (base::win::OSInfo::GetInstance()->version() < base::win::VERSION_WIN8)
return;
TestRunner runner(JOB_UNPROTECTED, USER_UNPROTECTED, USER_UNPROTECTED);
base::win::ScopedHandle event(CreateEvent(NULL, FALSE, FALSE, L"test"));
ASSERT_TRUE(event.IsValid());
EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetLowBox(kAppContainerSid));
EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"Event_Open f test"));
}
// TODO(shrikant): Please add some tests to prove usage of lowbox token like
// socket connection to local server in lock down mode.
} // namespace sandbox
|
