1 /*
2 * Copyright (C) 2016 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 <string>
18 #include <vector>
19
20 #include <android-base/strings.h>
21 #include <android-base/test_utils.h>
22 #include <bootloader_message/bootloader_message.h>
23 #include <gtest/gtest.h>
24
TEST(BootloaderMessageTest,read_and_write_bootloader_message)25 TEST(BootloaderMessageTest, read_and_write_bootloader_message) {
26 TemporaryFile temp_misc;
27
28 // Write the BCB.
29 bootloader_message boot = {};
30 strlcpy(boot.command, "command", sizeof(boot.command));
31 strlcpy(boot.recovery, "message1\nmessage2\n", sizeof(boot.recovery));
32 strlcpy(boot.status, "status1", sizeof(boot.status));
33
34 std::string err;
35 ASSERT_TRUE(write_bootloader_message_to(boot, temp_misc.path, &err))
36 << "Failed to write BCB: " << err;
37
38 // Read and verify.
39 bootloader_message boot_verify;
40 ASSERT_TRUE(read_bootloader_message_from(&boot_verify, temp_misc.path, &err))
41 << "Failed to read BCB: " << err;
42
43 ASSERT_EQ(std::string(reinterpret_cast<const char*>(&boot), sizeof(boot)),
44 std::string(reinterpret_cast<const char*>(&boot_verify), sizeof(boot_verify)));
45 }
46
TEST(BootloaderMessageTest,update_bootloader_message_in_struct)47 TEST(BootloaderMessageTest, update_bootloader_message_in_struct) {
48 // Write the options to BCB.
49 std::vector<std::string> options = { "option1", "option2" };
50
51 bootloader_message boot = {};
52 // Inject some bytes into boot.
53 strlcpy(boot.recovery, "random message", sizeof(boot.recovery));
54 strlcpy(boot.status, "status bytes", sizeof(boot.status));
55 strlcpy(boot.stage, "stage bytes", sizeof(boot.stage));
56 strlcpy(boot.reserved, "reserved bytes", sizeof(boot.reserved));
57
58 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options));
59
60 // Verify that command and recovery fields should be set.
61 ASSERT_EQ("boot-recovery", std::string(boot.command));
62 std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n";
63 ASSERT_EQ(expected, std::string(boot.recovery));
64
65 // The rest should be intact.
66 ASSERT_EQ("status bytes", std::string(boot.status));
67 ASSERT_EQ("stage bytes", std::string(boot.stage));
68 ASSERT_EQ("reserved bytes", std::string(boot.reserved));
69 }
70
TEST(BootloaderMessageTest,update_bootloader_message_recovery_options_empty)71 TEST(BootloaderMessageTest, update_bootloader_message_recovery_options_empty) {
72 // Write empty vector.
73 std::vector<std::string> options;
74
75 // Read and verify.
76 bootloader_message boot = {};
77 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options));
78
79 // command and recovery fields should be set.
80 ASSERT_EQ("boot-recovery", std::string(boot.command));
81 ASSERT_EQ("recovery\n", std::string(boot.recovery));
82
83 // The rest should be empty.
84 ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status)));
85 ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage)));
86 ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'),
87 std::string(boot.reserved, sizeof(boot.reserved)));
88 }
89
TEST(BootloaderMessageTest,update_bootloader_message_recovery_options_long)90 TEST(BootloaderMessageTest, update_bootloader_message_recovery_options_long) {
91 // Write super long message.
92 std::vector<std::string> options;
93 for (int i = 0; i < 100; i++) {
94 options.push_back("option: " + std::to_string(i));
95 }
96
97 // Read and verify.
98 bootloader_message boot = {};
99 ASSERT_TRUE(update_bootloader_message_in_struct(&boot, options));
100
101 // Make sure it's long enough.
102 std::string expected = "recovery\n" + android::base::Join(options, "\n") + "\n";
103 ASSERT_GE(expected.size(), sizeof(boot.recovery));
104
105 // command and recovery fields should be set.
106 ASSERT_EQ("boot-recovery", std::string(boot.command));
107 ASSERT_EQ(expected.substr(0, sizeof(boot.recovery) - 1), std::string(boot.recovery));
108 ASSERT_EQ('\0', boot.recovery[sizeof(boot.recovery) - 1]);
109
110 // The rest should be empty.
111 ASSERT_EQ(std::string(sizeof(boot.status), '\0'), std::string(boot.status, sizeof(boot.status)));
112 ASSERT_EQ(std::string(sizeof(boot.stage), '\0'), std::string(boot.stage, sizeof(boot.stage)));
113 ASSERT_EQ(std::string(sizeof(boot.reserved), '\0'),
114 std::string(boot.reserved, sizeof(boot.reserved)));
115 }
116
117