2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
20 #include <sys/mount.h>
21 #include <sys/reboot.h>
24 #include <tzplatform_config.h>
25 #include <klay/process.h>
26 #include <klay/file-user.h>
27 #include <klay/filesystem.h>
28 #include <klay/dbus/connection.h>
29 #include <klay/audit/logger.h>
32 #include "progress-bar.h"
33 #include "engine/encryption/dmcrypt-engine.h"
34 #include "key-manager/key-manager.h"
36 #include "rmi/internal-encryption.h"
38 #define INTERNAL_ENGINE DMCryptEngine
39 #define INTERNAL_DEV "/dev/mmcblk0p25"
40 #define INTERNAL_PATH "/opt/usr"
41 #define INTERNAL_STATE_VCONF_KEY VCONFKEY_ODE_CRYPTO_STATE
42 #define INTERNAL_OPTION_ONLY_USED_REGION_VCONF_KEY VCONFKEY_ODE_FAST_ENCRYPTION
44 #define PRIVILEGE_PLATFORM "http://tizen.org/privilege/internal/default/platform"
46 const std::string PROG_FACTORY_RESET = "/usr/bin/dbus-send";
47 const std::vector<std::string> wipeCommand = {
52 "--dest=com.samsung.factoryreset",
53 "/com/samsung/factoryreset",
54 "com.samsung.factoryreset.start.setting"
61 std::unique_ptr<INTERNAL_ENGINE> engine;
63 void stopSystemdUserSessions() {
64 std::vector<std::string> userSessionServices;
65 dbus::Connection& systemDBus = dbus::Connection::getSystem();
66 dbus::VariantIterator iter;
68 systemDBus.methodcall("org.freedesktop.systemd1",
69 "/org/freedesktop/systemd1",
70 "org.freedesktop.systemd1.Manager",
72 -1, "(a(ssssssouso))", "")
73 .get("(a(ssssssouso))", &iter);
76 unsigned int dataUint;
80 ret = iter.get("(ssssssouso)", dataStr, dataStr + 1, dataStr + 2,
81 dataStr + 3, dataStr + 4, dataStr + 5,
82 dataStr + 6, &dataUint, dataStr + 7,
89 std::string service(dataStr[0]);
90 if (service.compare(0, 5, "user@") == 0) {
91 userSessionServices.push_back(service);
95 for (const std::string& service : userSessionServices) {
96 INFO("Stop service - " + service);
97 systemDBus.methodcall("org.freedesktop.systemd1",
98 "/org/freedesktop/systemd1",
99 "org.freedesktop.systemd1.Manager",
101 -1, "", "(ss)", service.c_str(), "flush");
107 void stopDependedSystemdServices()
109 dbus::Connection& systemDBus = dbus::Connection::getSystem();
110 std::set<std::string> servicesToStop;
112 for (pid_t pid : runtime::FileUser::getList(INTERNAL_PATH, true)) {
115 systemDBus.methodcall("org.freedesktop.systemd1",
116 "/org/freedesktop/systemd1",
117 "org.freedesktop.systemd1.Manager",
119 -1, "(o)", "(u)", (unsigned int)pid)
120 .get("(o)", &service);
121 servicesToStop.insert(service);
122 } catch (runtime::Exception &e) {
123 INFO("Close process - " + std::to_string(pid));
124 ::kill(pid, SIGKILL);
128 for (const std::string& service : servicesToStop) {
129 INFO("Close service - " + service);
130 systemDBus.methodcall("org.freedesktop.systemd1",
132 "org.freedesktop.systemd1.Unit",
134 -1, "", "(s)", "flush");
138 void showProgressUI(const std::string type) {
139 ::tzplatform_set_user(::tzplatform_getuid(TZ_SYS_DEFAULT_USER));
140 std::string defaultUserHome(::tzplatform_getenv(TZ_USER_HOME));
141 ::tzplatform_reset_user();
144 runtime::File shareDirectory("/opt/home/root/share");
145 if (!shareDirectory.exists()) {
146 shareDirectory.makeDirectory(true);
149 runtime::File elmConfigDir(shareDirectory.getPath() + "/.elementary");
150 if (!elmConfigDir.exists()) {
151 runtime::File defaultElmConfigDir(defaultUserHome + "/share/.elementary");
152 defaultElmConfigDir.copyTo(shareDirectory.getPath());
154 } catch (runtime::Exception &e) {
155 ERROR("Failed to set up elm configuration");
158 std::vector<std::string> args = {
159 "ode", "progress", type, "Internal"
162 runtime::Process proc("/usr/bin/ode", args);
166 unsigned int getOptions()
168 unsigned int result = 0;
172 ::vconf_get_bool(INTERNAL_OPTION_ONLY_USED_REGION_VCONF_KEY, &value);
174 result |= InternalEncryption::Option::IncludeUnusedRegion;
180 void setOptions(unsigned int options)
184 if (options & InternalEncryption::Option::IncludeUnusedRegion) {
189 ::vconf_set_bool(INTERNAL_OPTION_ONLY_USED_REGION_VCONF_KEY, value);
194 InternalEncryption::InternalEncryption(ODEControlContext& ctx) :
197 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::mount)(std::string));
198 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::umount)());
199 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::encrypt)(std::string, unsigned int));
200 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::decrypt)(std::string));
201 context.expose(this, "", (int)(InternalEncryption::isPasswordInitialized)());
202 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::initPassword)(std::string));
203 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::cleanPassword)(std::string));
204 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::changePassword)(std::string, std::string));
205 context.expose(this, PRIVILEGE_PLATFORM, (int)(InternalEncryption::verifyPassword)(std::string));
206 context.expose(this, "", (int)(InternalEncryption::getState)());
207 context.expose(this, "", (unsigned int)(InternalEncryption::getSupportedOptions)());
209 context.createNotification("InternalEncryption::mount");
211 engine.reset(new INTERNAL_ENGINE(
212 INTERNAL_DEV, INTERNAL_PATH,
213 ProgressBar([](int v) {
214 ::vconf_set_str(VCONFKEY_ODE_ENCRYPT_PROGRESS,
215 std::to_string(v).c_str());
220 InternalEncryption::~InternalEncryption()
224 int InternalEncryption::mount(const std::string& password)
226 if (getState() != State::Encrypted) {
230 KeyManager::data pwData(password.begin(), password.end());
231 KeyManager keyManager(engine->getKeyMeta());
233 if (!keyManager.verifyPassword(pwData)) {
237 if (engine->isMounted()) {
238 INFO("Already mounted");
242 engine->mount(keyManager.getMasterKey(pwData), getOptions());
243 context.notify("InternalEncryption::mount");
248 int InternalEncryption::umount()
250 if (getState() != State::Encrypted) {
254 if (!engine->isMounted()) {
255 INFO("Already umounted");
259 INFO("Close all processes using internal storage...");
260 stopDependedSystemdServices();
261 INFO("Umount internal storage...");
267 int InternalEncryption::encrypt(const std::string& password, unsigned int options)
269 if (getState() != State::Unencrypted) {
273 KeyManager::data pwData(password.begin(), password.end());
274 KeyManager keyManager(engine->getKeyMeta());
276 if (!keyManager.verifyPassword(pwData)) {
280 KeyManager::data MasterKey = keyManager.getMasterKey(pwData);
281 auto encryptWorker = [MasterKey, options, this]() {
283 INFO("Close all user sessions...");
284 stopSystemdUserSessions();
285 INFO("Close all processes using internal storage...");
286 stopDependedSystemdServices();
287 INFO("Umount internal storage...");
288 while (::umount(INTERNAL_PATH) == -1) {
289 if (errno != EBUSY) {
290 throw runtime::Exception("Umount error - " + std::to_string(errno));
292 stopDependedSystemdServices();
295 showProgressUI("Encrypting");
297 INFO("Encryption started...");
298 engine->encrypt(MasterKey, options);
299 setOptions(options & getSupportedOptions());
300 INFO("Sync disk...");
302 INFO("Encryption completed");
304 ::vconf_set_str(INTERNAL_STATE_VCONF_KEY, "encrypted");
305 ::reboot(RB_AUTOBOOT);
306 } catch (runtime::Exception &e) {
307 ::vconf_set_str(INTERNAL_STATE_VCONF_KEY, "error_partially_encrypted");
308 ERROR("Encryption failed - " + std::string(e.what()));
312 std::thread asyncWork(encryptWorker);
318 int InternalEncryption::decrypt(const std::string& password)
320 if (getState() != State::Encrypted) {
324 KeyManager::data pwData(password.begin(), password.end());
325 KeyManager keyManager(engine->getKeyMeta());
327 if (!keyManager.verifyPassword(pwData)) {
331 KeyManager::data MasterKey = keyManager.getMasterKey(pwData);
332 auto decryptWorker = [MasterKey, this]() {
334 INFO("Close all user sessions...");
335 stopSystemdUserSessions();
336 INFO("Close all processes using internal storage...");
337 stopDependedSystemdServices();
338 INFO("Umount internal storage...");
343 } catch (runtime::Exception& e) {
344 stopDependedSystemdServices();
348 showProgressUI("Decrypting");
350 INFO("Decryption started...");
351 engine->decrypt(MasterKey, getOptions());
352 INFO("Sync disk...");
354 INFO("Decryption completed");
356 ::vconf_set_str(INTERNAL_STATE_VCONF_KEY, "unencrypted");
357 ::reboot(RB_AUTOBOOT);
358 } catch (runtime::Exception &e) {
359 ::vconf_set_str(INTERNAL_STATE_VCONF_KEY, "error_partially_encrypted");
360 ERROR("Decryption failed - " + std::string(e.what()));
364 std::thread asyncWork(decryptWorker);
370 int InternalEncryption::recovery()
372 if (getState() != State::Unencrypted) {
377 runtime::Process proc(PROG_FACTORY_RESET, wipeCommand);
378 if (proc.execute() == -1) {
379 ERROR("Failed to launch factory-reset");
386 int InternalEncryption::isPasswordInitialized()
388 if (engine->isKeyMetaSet()) {
394 int InternalEncryption::initPassword(const std::string& password)
396 KeyManager::data pwData(password.begin(), password.end());
397 KeyManager keyManager;
399 keyManager.initPassword(pwData);
400 engine->setKeyMeta(keyManager.serialize());
404 int InternalEncryption::cleanPassword(const std::string& password)
406 KeyManager::data pwData(password.begin(), password.end());
407 KeyManager keyManager(engine->getKeyMeta());
409 if (!keyManager.verifyPassword(pwData)) {
413 engine->clearKeyMeta();
417 int InternalEncryption::changePassword(const std::string& oldPassword,
418 const std::string& newPassword)
420 KeyManager::data oldPwData(oldPassword.begin(), oldPassword.end());
421 KeyManager::data newPwData(newPassword.begin(), newPassword.end());
422 KeyManager keyManager(engine->getKeyMeta());
424 if (!keyManager.verifyPassword(oldPwData)) {
428 keyManager.changePassword(oldPwData, newPwData);
429 engine->setKeyMeta(keyManager.serialize());
434 int InternalEncryption::verifyPassword(const std::string& password)
436 KeyManager::data pwData(password.begin(), password.end());
437 KeyManager keyManager(engine->getKeyMeta());
439 if (keyManager.verifyPassword(pwData)) {
445 int InternalEncryption::getState()
447 char *value = ::vconf_get_str(INTERNAL_STATE_VCONF_KEY);
449 throw runtime::Exception("Failed to get vconf value");
452 std::string valueStr(value);
455 if (valueStr == "encrypted") {
456 return State::Encrypted;
457 } else if (valueStr == "unencrypted") {
458 return State::Unencrypted;
460 return State::Corrupted;
466 unsigned int InternalEncryption::getSupportedOptions()
468 return engine->getSupportedOptions();