1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "adb_utils.h"
18
19 #ifdef _WIN32
20 #include <windows.h>
21 #include <userenv.h>
22 #endif
23
24 #include <string>
25
26 #include <gtest/gtest.h>
27
28 #include <stdlib.h>
29 #include <string.h>
30
31 #include "sysdeps.h"
32
33 #include <android-base/macros.h>
34 #include <android-base/test_utils.h>
35
36 #ifdef _WIN32
subdir(const char * parent,const char * child)37 static std::string subdir(const char* parent, const char* child) {
38 std::string str(parent);
39 str += OS_PATH_SEPARATOR;
40 str += child;
41 return str;
42 }
43 #endif
44
TEST(adb_utils,directory_exists)45 TEST(adb_utils, directory_exists) {
46 #ifdef _WIN32
47 char profiles_dir[MAX_PATH];
48 DWORD cch = arraysize(profiles_dir);
49
50 // On typical Windows 7, returns C:\Users
51 ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
52
53 ASSERT_TRUE(directory_exists(profiles_dir));
54
55 ASSERT_FALSE(directory_exists(subdir(profiles_dir, "does-not-exist")));
56 #else
57 ASSERT_TRUE(directory_exists("/proc"));
58 ASSERT_FALSE(directory_exists("/proc/does-not-exist"));
59 #endif
60 }
61
62 #if defined(_WIN32)
TEST(adb_utils,directory_exists_win32_symlink_junction)63 TEST(adb_utils, directory_exists_win32_symlink_junction) {
64 char profiles_dir[MAX_PATH];
65 DWORD cch = arraysize(profiles_dir);
66
67 // On typical Windows 7, returns C:\Users
68 ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
69
70 // On modern (English?) Windows, this is a directory symbolic link to
71 // C:\ProgramData. Symbolic links are rare on Windows and the user requires
72 // a special permission (by default granted to Administrative users) to
73 // create symbolic links.
74 EXPECT_FALSE(directory_exists(subdir(profiles_dir, "All Users")));
75
76 // On modern (English?) Windows, this is a directory junction to
77 // C:\Users\Default. Junctions are used throughout user profile directories
78 // for backwards compatibility and they don't require any special permissions
79 // to create.
80 EXPECT_FALSE(directory_exists(subdir(profiles_dir, "Default User")));
81 }
82 #endif
83
TEST(adb_utils,escape_arg)84 TEST(adb_utils, escape_arg) {
85 ASSERT_EQ(R"('')", escape_arg(""));
86
87 ASSERT_EQ(R"('abc')", escape_arg("abc"));
88
89 ASSERT_EQ(R"(' abc')", escape_arg(" abc"));
90 ASSERT_EQ(R"(''\''abc')", escape_arg("'abc"));
91 ASSERT_EQ(R"('"abc')", escape_arg("\"abc"));
92 ASSERT_EQ(R"('\abc')", escape_arg("\\abc"));
93 ASSERT_EQ(R"('(abc')", escape_arg("(abc"));
94 ASSERT_EQ(R"(')abc')", escape_arg(")abc"));
95
96 ASSERT_EQ(R"('abc abc')", escape_arg("abc abc"));
97 ASSERT_EQ(R"('abc'\''abc')", escape_arg("abc'abc"));
98 ASSERT_EQ(R"('abc"abc')", escape_arg("abc\"abc"));
99 ASSERT_EQ(R"('abc\abc')", escape_arg("abc\\abc"));
100 ASSERT_EQ(R"('abc(abc')", escape_arg("abc(abc"));
101 ASSERT_EQ(R"('abc)abc')", escape_arg("abc)abc"));
102
103 ASSERT_EQ(R"('abc ')", escape_arg("abc "));
104 ASSERT_EQ(R"('abc'\''')", escape_arg("abc'"));
105 ASSERT_EQ(R"('abc"')", escape_arg("abc\""));
106 ASSERT_EQ(R"('abc\')", escape_arg("abc\\"));
107 ASSERT_EQ(R"('abc(')", escape_arg("abc("));
108 ASSERT_EQ(R"('abc)')", escape_arg("abc)"));
109 }
110
111 void test_mkdirs(const std::string& basepath) {
112 // Test creating a directory hierarchy.
113 ASSERT_TRUE(mkdirs(basepath));
114 // Test finding an existing directory hierarchy.
115 ASSERT_TRUE(mkdirs(basepath));
116 // Test mkdirs on an existing hierarchy with a trailing slash.
117 ASSERT_TRUE(mkdirs(basepath + '/'));
118 #if defined(_WIN32)
119 ASSERT_TRUE(mkdirs(basepath + '\\'));
120 #endif
121
122 const std::string filepath = basepath + "/file";
123 // Verify that the hierarchy was created by trying to create a file in it.
124 ASSERT_NE(-1, adb_creat(filepath.c_str(), 0600));
125 // If a file exists where we want a directory, the operation should fail.
126 ASSERT_FALSE(mkdirs(filepath));
127 }
128
129 TEST(adb_utils, mkdirs) {
130 TemporaryDir td;
131
132 // Absolute paths.
133 test_mkdirs(std::string(td.path) + "/dir/subdir");
134
135 // Relative paths.
136 ASSERT_EQ(0, chdir(td.path)) << strerror(errno);
137 test_mkdirs(std::string("relative/subrel"));
138 }
139
140 #if !defined(_WIN32)
141 TEST(adb_utils, set_file_block_mode) {
142 int fd = adb_open("/dev/null", O_RDWR | O_APPEND);
143 ASSERT_GE(fd, 0);
144 int flags = fcntl(fd, F_GETFL, 0);
145 ASSERT_EQ(O_RDWR | O_APPEND, (flags & (O_RDWR | O_APPEND)));
146 ASSERT_TRUE(set_file_block_mode(fd, false));
147 int new_flags = fcntl(fd, F_GETFL, 0);
148 ASSERT_EQ(flags | O_NONBLOCK, new_flags);
149 ASSERT_TRUE(set_file_block_mode(fd, true));
150 new_flags = fcntl(fd, F_GETFL, 0);
151 ASSERT_EQ(flags, new_flags);
152 ASSERT_EQ(0, adb_close(fd));
153 }
154 #endif
155
156 TEST(adb_utils, test_forward_targets_are_valid) {
157 std::string error;
158
159 // Source port can be >= 0.
160 EXPECT_FALSE(forward_targets_are_valid("tcp:-1", "tcp:9000", &error));
161 EXPECT_TRUE(forward_targets_are_valid("tcp:0", "tcp:9000", &error));
162 EXPECT_TRUE(forward_targets_are_valid("tcp:8000", "tcp:9000", &error));
163
164 // Destination port must be >0.
165 EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:-1", &error));
166 EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:0", &error));
167
168 // Port must be a number.
169 EXPECT_FALSE(forward_targets_are_valid("tcp:", "tcp:9000", &error));
170 EXPECT_FALSE(forward_targets_are_valid("tcp:a", "tcp:9000", &error));
171 EXPECT_FALSE(forward_targets_are_valid("tcp:22x", "tcp:9000", &error));
172 EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:", &error));
173 EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:a", &error));
174 EXPECT_FALSE(forward_targets_are_valid("tcp:8000", "tcp:22x", &error));
175 }
176