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
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <functional>
#include <android-base/file.h>
#include <android-base/macros.h>
#include <android-base/unique_fd.h>
#include <gtest/gtest.h>
#include <modprobe/modprobe.h>
#include "libmodprobe_test.h"
// Used by libmodprobe_ext_test to check if requested modules are present.
std::vector<std::string> test_modules;
// Used by libmodprobe_ext_test to report which modules would have been loaded.
std::vector<std::string> modules_loaded;
// Used by libmodprobe_ext_test to fake a kernel commandline
std::string kernel_cmdline;
TEST(libmodprobe, Test) {
kernel_cmdline =
"flag1 flag2 test1.option1=50 test4.option3=\"set x\" test1.option2=60 "
"test8. test5.option1= test10.option1=1";
test_modules = {
"/test1.ko", "/test2.ko", "/test3.ko", "/test4.ko", "/test5.ko",
"/test6.ko", "/test7.ko", "/test8.ko", "/test9.ko", "/test10.ko",
"/test11.ko", "/test12.ko", "/test13.ko", "/test14.ko", "/test15.ko",
};
std::vector<std::string> expected_modules_loaded = {
"/test14.ko",
"/test15.ko",
"/test3.ko",
"/test4.ko option3=\"set x\"",
"/test1.ko option1=50 option2=60",
"/test6.ko",
"/test2.ko",
"/test5.ko option1=",
"/test8.ko",
"/test7.ko param1=4",
"/test9.ko param_x=1 param_y=2 param_z=3",
"/test10.ko option1=1",
"/test12.ko",
"/test11.ko",
"/test13.ko",
};
std::vector<std::string> expected_after_remove = {
"/test14.ko",
"/test15.ko",
"/test1.ko option1=50 option2=60",
"/test6.ko",
"/test2.ko",
"/test5.ko option1=",
"/test8.ko",
"/test7.ko param1=4",
"/test9.ko param_x=1 param_y=2 param_z=3",
"/test10.ko option1=1",
"/test12.ko",
"/test11.ko",
"/test13.ko",
};
const std::string modules_dep =
"test1.ko:\n"
"test2.ko:\n"
"test3.ko:\n"
"test4.ko: test3.ko\n"
"test5.ko: test2.ko test6.ko\n"
"test6.ko:\n"
"test7.ko:\n"
"test8.ko:\n"
"test9.ko:\n"
"test10.ko:\n"
"test11.ko:\n"
"test12.ko:\n"
"test13.ko:\n"
"test14.ko:\n"
"test15.ko:\n";
const std::string modules_softdep =
"softdep test7 pre: test8\n"
"softdep test9 post: test10\n"
"softdep test11 pre: test12 post: test13\n"
"softdep test3 pre: test141516\n";
const std::string modules_alias =
"# Aliases extracted from modules themselves.\n"
"\n"
"alias test141516 test14\n"
"alias test141516 test15\n"
"alias test141516 test16\n";
const std::string modules_options =
"options test7.ko param1=4\n"
"options test9.ko param_x=1 param_y=2 param_z=3\n"
"options test100.ko param_1=1\n";
const std::string modules_blocklist =
"blocklist test9.ko\n"
"blocklist test3.ko\n";
const std::string modules_load =
"test4.ko\n"
"test1.ko\n"
"test3.ko\n"
"test5.ko\n"
"test7.ko\n"
"test9.ko\n"
"test11.ko\n";
TemporaryDir dir;
auto dir_path = std::string(dir.path);
ASSERT_TRUE(android::base::WriteStringToFile(modules_alias, dir_path + "/modules.alias", 0600,
getuid(), getgid()));
ASSERT_TRUE(android::base::WriteStringToFile(modules_dep, dir_path + "/modules.dep", 0600,
getuid(), getgid()));
ASSERT_TRUE(android::base::WriteStringToFile(modules_softdep, dir_path + "/modules.softdep",
0600, getuid(), getgid()));
ASSERT_TRUE(android::base::WriteStringToFile(modules_options, dir_path + "/modules.options",
0600, getuid(), getgid()));
ASSERT_TRUE(android::base::WriteStringToFile(modules_load, dir_path + "/modules.load", 0600,
getuid(), getgid()));
ASSERT_TRUE(android::base::WriteStringToFile(modules_blocklist, dir_path + "/modules.blocklist",
0600, getuid(), getgid()));
for (auto i = test_modules.begin(); i != test_modules.end(); ++i) {
*i = dir.path + *i;
}
Modprobe m({dir.path});
EXPECT_TRUE(m.LoadListedModules());
GTEST_LOG_(INFO) << "Expected modules loaded (in order):";
for (auto i = expected_modules_loaded.begin(); i != expected_modules_loaded.end(); ++i) {
*i = dir.path + *i;
GTEST_LOG_(INFO) << "\"" << *i << "\"";
}
GTEST_LOG_(INFO) << "Actual modules loaded (in order):";
for (auto i = modules_loaded.begin(); i != modules_loaded.end(); ++i) {
GTEST_LOG_(INFO) << "\"" << *i << "\"";
}
EXPECT_TRUE(modules_loaded == expected_modules_loaded);
EXPECT_TRUE(m.GetModuleCount() == 15);
EXPECT_TRUE(m.Remove("test4"));
GTEST_LOG_(INFO) << "Expected modules loaded after removing test4 (in order):";
for (auto i = expected_after_remove.begin(); i != expected_after_remove.end(); ++i) {
*i = dir.path + *i;
GTEST_LOG_(INFO) << "\"" << *i << "\"";
}
GTEST_LOG_(INFO) << "Actual modules loaded after removing test4 (in order):";
for (auto i = modules_loaded.begin(); i != modules_loaded.end(); ++i) {
GTEST_LOG_(INFO) << "\"" << *i << "\"";
}
EXPECT_TRUE(modules_loaded == expected_after_remove);
m.EnableBlocklist(true);
EXPECT_FALSE(m.LoadWithAliases("test4", true));
}
|
