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/self")); // Symbolic link.
59 ASSERT_FALSE(directory_exists("/proc/does-not-exist"));
60 #endif
61 }
62
63 #if defined(_WIN32)
TEST(adb_utils,directory_exists_win32_symlink_junction)64 TEST(adb_utils, directory_exists_win32_symlink_junction) {
65 char profiles_dir[MAX_PATH];
66 DWORD cch = arraysize(profiles_dir);
67
68 // On typical Windows 7, returns C:\Users
69 ASSERT_TRUE(GetProfilesDirectoryA(profiles_dir, &cch));
70
71 // On modern (English?) Windows, this is a directory symbolic link to
72 // C:\ProgramData. Symbolic links are rare on Windows and the user requires
73 // a special permission (by default granted to Administrative users) to
74 // create symbolic links.
75 EXPECT_FALSE(directory_exists(subdir(profiles_dir, "All Users")));
76
77 // On modern (English?) Windows, this is a directory junction to
78 // C:\Users\Default. Junctions are used throughout user profile directories
79 // for backwards compatibility and they don't require any special permissions
80 // to create.
81 EXPECT_FALSE(directory_exists(subdir(profiles_dir, "Default User")));
82 }
83 #endif
84
TEST(adb_utils,escape_arg)85 TEST(adb_utils, escape_arg) {
86 ASSERT_EQ(R"('')", escape_arg(""));
87
88 ASSERT_EQ(R"('abc')", escape_arg("abc"));
89
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 ASSERT_EQ(R"(')abc')", escape_arg(")abc"));
96
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 ASSERT_EQ(R"('abc)abc')", escape_arg("abc)abc"));
103
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 ASSERT_EQ(R"('abc)')", escape_arg("abc)"));
110 }
111
112 TEST(adb_utils, adb_basename) {
113 EXPECT_EQ("sh", adb_basename("/system/bin/sh"));
114 EXPECT_EQ("sh", adb_basename("sh"));
115 EXPECT_EQ("sh", adb_basename("/system/bin/sh/"));
116 }
117
118 TEST(adb_utils, adb_dirname) {
119 EXPECT_EQ("/system/bin", adb_dirname("/system/bin/sh"));
120 EXPECT_EQ(".", adb_dirname("sh"));
121 EXPECT_EQ("/system/bin", adb_dirname("/system/bin/sh/"));
122 }
123
124 void test_mkdirs(const std::string basepath) {
125 // Test creating a directory hierarchy.
126 ASSERT_TRUE(mkdirs(basepath));
127 // Test finding an existing directory hierarchy.
128 ASSERT_TRUE(mkdirs(basepath));
129 // Test mkdirs on an existing hierarchy with a trailing slash.
130 ASSERT_TRUE(mkdirs(basepath + '/'));
131 #if defined(_WIN32)
132 ASSERT_TRUE(mkdirs(basepath + '\\'));
133 #endif
134
135 const std::string filepath = basepath + "/file";
136 // Verify that the hierarchy was created by trying to create a file in it.
137 ASSERT_NE(-1, adb_creat(filepath.c_str(), 0600));
138 // If a file exists where we want a directory, the operation should fail.
139 ASSERT_FALSE(mkdirs(filepath));
140 }
141
142 TEST(adb_utils, mkdirs) {
143 TemporaryDir td;
144
145 // Absolute paths.
146 test_mkdirs(std::string(td.path) + "/dir/subdir");
147
148 // Relative paths.
149 ASSERT_EQ(0, chdir(td.path)) << strerror(errno);
150 test_mkdirs(std::string("relative/subrel"));
151 }
152
153 #if !defined(_WIN32)
154 TEST(adb_utils, set_file_block_mode) {
155 int fd = adb_open("/dev/null", O_RDWR | O_APPEND);
156 ASSERT_GE(fd, 0);
157 int flags = fcntl(fd, F_GETFL, 0);
158 ASSERT_EQ(O_RDWR | O_APPEND, (flags & (O_RDWR | O_APPEND)));
159 ASSERT_TRUE(set_file_block_mode(fd, false));
160 int new_flags = fcntl(fd, F_GETFL, 0);
161 ASSERT_EQ(flags | O_NONBLOCK, new_flags);
162 ASSERT_TRUE(set_file_block_mode(fd, true));
163 new_flags = fcntl(fd, F_GETFL, 0);
164 ASSERT_EQ(flags, new_flags);
165 ASSERT_EQ(0, adb_close(fd));
166 }
167 #endif
168