1 /*
2 * Copyright 2019 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 "os/parameter_provider.h"
18
19 #include <bluetooth/log.h>
20 #include <unistd.h>
21
22 #include <cerrno>
23 #include <mutex>
24 #include <string>
25
26 namespace bluetooth {
27 namespace os {
28
29 namespace {
30 std::mutex parameter_mutex;
31 std::string config_file_path;
32 std::string snoop_log_file_path;
33 std::string snooz_log_file_path;
34 std::string sysprops_file_path;
35 } // namespace
36
37 // Write to $PWD/bt_stack.conf if $PWD can be found, otherwise, write to $HOME/bt_stack.conf
ConfigFilePath()38 std::string ParameterProvider::ConfigFilePath() {
39 {
40 std::lock_guard<std::mutex> lock(parameter_mutex);
41 if (!config_file_path.empty()) {
42 return config_file_path;
43 }
44 }
45 char cwd[PATH_MAX] = {};
46 if (getcwd(cwd, sizeof(cwd)) == nullptr) {
47 log::error("Failed to get current working directory due to \"{}\", returning default",
48 strerror(errno));
49 return "bt_config.conf";
50 }
51 return std::string(cwd) + "/bt_config.conf";
52 }
53
OverrideConfigFilePath(const std::string & path)54 void ParameterProvider::OverrideConfigFilePath(const std::string& path) {
55 std::lock_guard<std::mutex> lock(parameter_mutex);
56 config_file_path = path;
57 }
58
SnoopLogFilePath()59 std::string ParameterProvider::SnoopLogFilePath() {
60 {
61 std::lock_guard<std::mutex> lock(parameter_mutex);
62 if (!snoop_log_file_path.empty()) {
63 return snoop_log_file_path;
64 }
65 }
66 char cwd[PATH_MAX] = {};
67 if (getcwd(cwd, sizeof(cwd)) == nullptr) {
68 log::error("Failed to get current working directory due to \"{}\", returning default",
69 strerror(errno));
70 return "btsnoop_hci.log";
71 }
72 return std::string(cwd) + "/btsnoop_hci.log";
73 }
74
OverrideSnoopLogFilePath(const std::string & path)75 void ParameterProvider::OverrideSnoopLogFilePath(const std::string& path) {
76 std::lock_guard<std::mutex> lock(parameter_mutex);
77 snoop_log_file_path = path;
78 }
79
80 // Return the path to the default snooz log file location
SnoozLogFilePath()81 std::string ParameterProvider::SnoozLogFilePath() {
82 {
83 std::lock_guard<std::mutex> lock(parameter_mutex);
84 if (!snooz_log_file_path.empty()) {
85 return snooz_log_file_path;
86 }
87 }
88 char cwd[PATH_MAX] = {};
89 if (getcwd(cwd, sizeof(cwd)) == nullptr) {
90 log::error("Failed to get current working directory due to \"{}\", returning default",
91 strerror(errno));
92 return "bt_config.conf";
93 }
94 return std::string(cwd) + "/btsnooz_hci.log";
95 }
96
OverrideSnoozLogFilePath(const std::string & path)97 void ParameterProvider::OverrideSnoozLogFilePath(const std::string& path) {
98 std::lock_guard<std::mutex> lock(parameter_mutex);
99 snooz_log_file_path = path;
100 }
101
SyspropsFilePath()102 std::string ParameterProvider::SyspropsFilePath() {
103 std::lock_guard<std::mutex> lock(parameter_mutex);
104 return sysprops_file_path;
105 }
106
OverrideSyspropsFilePath(const std::string & path)107 void ParameterProvider::OverrideSyspropsFilePath(const std::string& path) {
108 std::lock_guard<std::mutex> lock(parameter_mutex);
109 sysprops_file_path = path;
110 }
111
GetBtKeystoreInterface()112 bluetooth_keystore::BluetoothKeystoreInterface* ParameterProvider::GetBtKeystoreInterface() {
113 return nullptr;
114 }
115
SetBtKeystoreInterface(bluetooth_keystore::BluetoothKeystoreInterface *)116 void ParameterProvider::SetBtKeystoreInterface(
117 bluetooth_keystore::BluetoothKeystoreInterface* /* bt_keystore */) {}
118
IsCommonCriteriaMode()119 bool ParameterProvider::IsCommonCriteriaMode() { return false; }
120
SetCommonCriteriaMode(bool)121 void ParameterProvider::SetCommonCriteriaMode(bool /* enable */) {}
122
GetCommonCriteriaConfigCompareResult()123 int ParameterProvider::GetCommonCriteriaConfigCompareResult() { return 0b11; }
124
SetCommonCriteriaConfigCompareResult(int)125 void ParameterProvider::SetCommonCriteriaConfigCompareResult(int /* result */) {}
126
127 } // namespace os
128 } // namespace bluetooth
129