blob: aba9c5d7595fe5612902f9508975b524e6161523 [file] [log] [blame]
Tao Bao6d99d4b2018-04-25 16:47:04 -07001/*
2 * Copyright (C) 2018 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
Tao Bao42c45e22018-07-31 09:37:12 -070017#include <dlfcn.h>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070018#include <errno.h>
19#include <fcntl.h>
20#include <getopt.h>
21#include <inttypes.h>
22#include <limits.h>
23#include <linux/fs.h>
24#include <stdarg.h>
Tao Bao6d99d4b2018-04-25 16:47:04 -070025#include <stdio.h>
26#include <stdlib.h>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070027#include <string.h>
28#include <sys/stat.h>
29#include <sys/types.h>
30#include <time.h>
Tao Bao6d99d4b2018-04-25 16:47:04 -070031#include <unistd.h>
32
Hridya Valsaraju20c81b32018-07-27 22:09:12 -070033#include <atomic>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070034#include <string>
Hridya Valsaraju20c81b32018-07-27 22:09:12 -070035#include <thread>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070036#include <vector>
Tao Bao6d99d4b2018-04-25 16:47:04 -070037
Jerry Zhangf5e319a2018-05-04 11:24:10 -070038#include <android-base/file.h>
Tao Bao6d99d4b2018-04-25 16:47:04 -070039#include <android-base/logging.h>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070040#include <android-base/properties.h>
41#include <android-base/strings.h>
Hridya Valsaraju20c81b32018-07-27 22:09:12 -070042#include <android-base/unique_fd.h>
Jerry Zhangf5e319a2018-05-04 11:24:10 -070043#include <bootloader_message/bootloader_message.h>
Hridya Valsaraju20c81b32018-07-27 22:09:12 -070044#include <cutils/sockets.h>
Tao Baof90d9a12019-05-10 10:40:59 -070045#include <fs_mgr/roots.h>
Tao Bao6d99d4b2018-04-25 16:47:04 -070046#include <private/android_logger.h> /* private pmsg functions */
Jerry Zhangf5e319a2018-05-04 11:24:10 -070047#include <selinux/android.h>
48#include <selinux/label.h>
49#include <selinux/selinux.h>
Tao Bao6d99d4b2018-04-25 16:47:04 -070050
51#include "common.h"
Hridya Valsaraju20c81b32018-07-27 22:09:12 -070052#include "fastboot/fastboot.h"
xunchang316e9712019-04-12 16:22:15 -070053#include "install/wipe_data.h"
54#include "otautil/logging.h"
Tao Bao6d99d4b2018-04-25 16:47:04 -070055#include "otautil/paths.h"
xunchang24788852019-03-22 16:08:52 -070056#include "otautil/roots.h"
Jerry Zhangf5e319a2018-05-04 11:24:10 -070057#include "otautil/sysutil.h"
58#include "recovery.h"
Tianjie Xu8f397302018-08-20 13:40:47 -070059#include "recovery_ui/device.h"
60#include "recovery_ui/stub_ui.h"
61#include "recovery_ui/ui.h"
Tao Bao6d99d4b2018-04-25 16:47:04 -070062
Jerry Zhangf5e319a2018-05-04 11:24:10 -070063static constexpr const char* COMMAND_FILE = "/cache/recovery/command";
64static constexpr const char* LOCALE_FILE = "/cache/recovery/last_locale";
65
66static constexpr const char* CACHE_ROOT = "/cache";
67
68bool has_cache = false;
69
70RecoveryUI* ui = nullptr;
71struct selabel_handle* sehandle;
72
Tao Bao6d99d4b2018-04-25 16:47:04 -070073static void UiLogger(android::base::LogId /* id */, android::base::LogSeverity severity,
74 const char* /* tag */, const char* /* file */, unsigned int /* line */,
75 const char* message) {
76 static constexpr char log_characters[] = "VDIWEF";
77 if (severity >= android::base::ERROR && ui != nullptr) {
78 ui->Print("E:%s\n", message);
79 } else {
80 fprintf(stdout, "%c:%s\n", log_characters[severity], message);
81 }
82}
83
Jerry Zhangf5e319a2018-05-04 11:24:10 -070084// command line args come from, in decreasing precedence:
85// - the actual command line
86// - the bootloader control block (one per line, after "recovery")
87// - the contents of COMMAND_FILE (one per line)
88static std::vector<std::string> get_args(const int argc, char** const argv) {
89 CHECK_GT(argc, 0);
90
91 bootloader_message boot = {};
92 std::string err;
93 if (!read_bootloader_message(&boot, &err)) {
94 LOG(ERROR) << err;
95 // If fails, leave a zeroed bootloader_message.
96 boot = {};
97 }
98 stage = std::string(boot.stage);
99
David Andersoneee4e262018-08-21 13:10:45 -0700100 std::string boot_command;
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700101 if (boot.command[0] != 0) {
David Andersoneee4e262018-08-21 13:10:45 -0700102 if (memchr(boot.command, '\0', sizeof(boot.command))) {
103 boot_command = std::string(boot.command);
104 } else {
105 boot_command = std::string(boot.command, sizeof(boot.command));
106 }
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700107 LOG(INFO) << "Boot command: " << boot_command;
108 }
109
110 if (boot.status[0] != 0) {
111 std::string boot_status = std::string(boot.status, sizeof(boot.status));
112 LOG(INFO) << "Boot status: " << boot_status;
113 }
114
115 std::vector<std::string> args(argv, argv + argc);
116
117 // --- if arguments weren't supplied, look in the bootloader control block
118 if (args.size() == 1) {
119 boot.recovery[sizeof(boot.recovery) - 1] = '\0'; // Ensure termination
120 std::string boot_recovery(boot.recovery);
121 std::vector<std::string> tokens = android::base::Split(boot_recovery, "\n");
122 if (!tokens.empty() && tokens[0] == "recovery") {
123 for (auto it = tokens.begin() + 1; it != tokens.end(); it++) {
124 // Skip empty and '\0'-filled tokens.
125 if (!it->empty() && (*it)[0] != '\0') args.push_back(std::move(*it));
126 }
127 LOG(INFO) << "Got " << args.size() << " arguments from boot message";
128 } else if (boot.recovery[0] != 0) {
129 LOG(ERROR) << "Bad boot message: \"" << boot_recovery << "\"";
130 }
131 }
132
133 // --- if that doesn't work, try the command file (if we have /cache).
134 if (args.size() == 1 && has_cache) {
135 std::string content;
136 if (ensure_path_mounted(COMMAND_FILE) == 0 &&
137 android::base::ReadFileToString(COMMAND_FILE, &content)) {
138 std::vector<std::string> tokens = android::base::Split(content, "\n");
139 // All the arguments in COMMAND_FILE are needed (unlike the BCB message,
140 // COMMAND_FILE doesn't use filename as the first argument).
141 for (auto it = tokens.begin(); it != tokens.end(); it++) {
142 // Skip empty and '\0'-filled tokens.
143 if (!it->empty() && (*it)[0] != '\0') args.push_back(std::move(*it));
144 }
145 LOG(INFO) << "Got " << args.size() << " arguments from " << COMMAND_FILE;
146 }
147 }
148
149 // Write the arguments (excluding the filename in args[0]) back into the
150 // bootloader control block. So the device will always boot into recovery to
151 // finish the pending work, until finish_recovery() is called.
152 std::vector<std::string> options(args.cbegin() + 1, args.cend());
153 if (!update_bootloader_message(options, &err)) {
154 LOG(ERROR) << "Failed to set BCB message: " << err;
155 }
156
David Andersoneee4e262018-08-21 13:10:45 -0700157 // Finally, if no arguments were specified, check whether we should boot
Tao Baod9cb0142019-04-23 11:46:25 -0700158 // into fastboot or rescue mode.
David Andersoneee4e262018-08-21 13:10:45 -0700159 if (args.size() == 1 && boot_command == "boot-fastboot") {
160 args.emplace_back("--fastboot");
Tao Baod9cb0142019-04-23 11:46:25 -0700161 } else if (args.size() == 1 && boot_command == "boot-rescue") {
162 args.emplace_back("--rescue");
David Andersoneee4e262018-08-21 13:10:45 -0700163 }
164
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700165 return args;
166}
167
168static std::string load_locale_from_cache() {
169 if (ensure_path_mounted(LOCALE_FILE) != 0) {
170 LOG(ERROR) << "Can't mount " << LOCALE_FILE;
171 return "";
172 }
173
174 std::string content;
175 if (!android::base::ReadFileToString(LOCALE_FILE, &content)) {
176 PLOG(ERROR) << "Can't read " << LOCALE_FILE;
177 return "";
178 }
179
180 return android::base::Trim(content);
181}
182
Tao Baoe0cfab32019-03-29 15:53:23 -0700183// Sets the usb config to 'state'.
184static bool SetUsbConfig(const std::string& state) {
185 android::base::SetProperty("sys.usb.config", state);
186 return android::base::WaitForProperty("sys.usb.state", state);
187}
188
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700189static void ListenRecoverySocket(RecoveryUI* ui, std::atomic<Device::BuiltinAction>& action) {
190 android::base::unique_fd sock_fd(android_get_control_socket("recovery"));
191 if (sock_fd < 0) {
192 PLOG(ERROR) << "Failed to open recovery socket";
193 return;
194 }
195 listen(sock_fd, 4);
196
197 while (true) {
198 android::base::unique_fd connection_fd;
199 connection_fd.reset(accept(sock_fd, nullptr, nullptr));
200 if (connection_fd < 0) {
201 PLOG(ERROR) << "Failed to accept socket connection";
202 continue;
203 }
204 char msg;
205 constexpr char kSwitchToFastboot = 'f';
206 constexpr char kSwitchToRecovery = 'r';
207 ssize_t ret = TEMP_FAILURE_RETRY(read(connection_fd, &msg, sizeof(msg)));
208 if (ret != sizeof(msg)) {
209 PLOG(ERROR) << "Couldn't read from socket";
210 continue;
211 }
212 switch (msg) {
213 case kSwitchToRecovery:
214 action = Device::BuiltinAction::ENTER_RECOVERY;
215 break;
216 case kSwitchToFastboot:
217 action = Device::BuiltinAction::ENTER_FASTBOOT;
218 break;
219 default:
220 LOG(ERROR) << "Unrecognized char from socket " << msg;
221 continue;
222 }
223 ui->InterruptKey();
224 }
225}
226
Tao Bao6d99d4b2018-04-25 16:47:04 -0700227static void redirect_stdio(const char* filename) {
Tao Bao6fcd2082019-01-16 09:29:17 -0800228 android::base::unique_fd pipe_read, pipe_write;
229 // Create a pipe that allows parent process sending logs over.
230 if (!android::base::Pipe(&pipe_read, &pipe_write)) {
231 PLOG(ERROR) << "Failed to create pipe for redirecting stdio";
Tao Bao6d99d4b2018-04-25 16:47:04 -0700232
233 // Fall back to traditional logging mode without timestamps. If these fail, there's not really
234 // anywhere to complain...
235 freopen(filename, "a", stdout);
236 setbuf(stdout, nullptr);
237 freopen(filename, "a", stderr);
238 setbuf(stderr, nullptr);
239
240 return;
241 }
242
243 pid_t pid = fork();
244 if (pid == -1) {
Tao Bao6fcd2082019-01-16 09:29:17 -0800245 PLOG(ERROR) << "Failed to fork for redirecting stdio";
Tao Bao6d99d4b2018-04-25 16:47:04 -0700246
247 // Fall back to traditional logging mode without timestamps. If these fail, there's not really
248 // anywhere to complain...
249 freopen(filename, "a", stdout);
250 setbuf(stdout, nullptr);
251 freopen(filename, "a", stderr);
252 setbuf(stderr, nullptr);
253
254 return;
255 }
256
257 if (pid == 0) {
Tao Bao6fcd2082019-01-16 09:29:17 -0800258 // Child process reads the incoming logs and doesn't write to the pipe.
259 pipe_write.reset();
Tao Bao6d99d4b2018-04-25 16:47:04 -0700260
261 auto start = std::chrono::steady_clock::now();
262
263 // Child logger to actually write to the log file.
264 FILE* log_fp = fopen(filename, "ae");
265 if (log_fp == nullptr) {
266 PLOG(ERROR) << "fopen \"" << filename << "\" failed";
Tao Bao6d99d4b2018-04-25 16:47:04 -0700267 _exit(EXIT_FAILURE);
268 }
269
Tao Bao6fcd2082019-01-16 09:29:17 -0800270 FILE* pipe_fp = android::base::Fdopen(std::move(pipe_read), "r");
Tao Bao6d99d4b2018-04-25 16:47:04 -0700271 if (pipe_fp == nullptr) {
272 PLOG(ERROR) << "fdopen failed";
273 check_and_fclose(log_fp, filename);
Tao Bao6d99d4b2018-04-25 16:47:04 -0700274 _exit(EXIT_FAILURE);
275 }
276
277 char* line = nullptr;
278 size_t len = 0;
279 while (getline(&line, &len, pipe_fp) != -1) {
280 auto now = std::chrono::steady_clock::now();
281 double duration =
282 std::chrono::duration_cast<std::chrono::duration<double>>(now - start).count();
283 if (line[0] == '\n') {
284 fprintf(log_fp, "[%12.6lf]\n", duration);
285 } else {
286 fprintf(log_fp, "[%12.6lf] %s", duration, line);
287 }
288 fflush(log_fp);
289 }
290
291 PLOG(ERROR) << "getline failed";
292
Tao Bao6fcd2082019-01-16 09:29:17 -0800293 fclose(pipe_fp);
Tao Bao6d99d4b2018-04-25 16:47:04 -0700294 free(line);
295 check_and_fclose(log_fp, filename);
Tao Bao6d99d4b2018-04-25 16:47:04 -0700296 _exit(EXIT_FAILURE);
297 } else {
298 // Redirect stdout/stderr to the logger process. Close the unused read end.
Tao Bao6fcd2082019-01-16 09:29:17 -0800299 pipe_read.reset();
Tao Bao6d99d4b2018-04-25 16:47:04 -0700300
301 setbuf(stdout, nullptr);
302 setbuf(stderr, nullptr);
303
Tao Bao6fcd2082019-01-16 09:29:17 -0800304 if (dup2(pipe_write.get(), STDOUT_FILENO) == -1) {
Tao Bao6d99d4b2018-04-25 16:47:04 -0700305 PLOG(ERROR) << "dup2 stdout failed";
306 }
Tao Bao6fcd2082019-01-16 09:29:17 -0800307 if (dup2(pipe_write.get(), STDERR_FILENO) == -1) {
Tao Bao6d99d4b2018-04-25 16:47:04 -0700308 PLOG(ERROR) << "dup2 stderr failed";
309 }
Tao Bao6d99d4b2018-04-25 16:47:04 -0700310 }
311}
312
313int main(int argc, char** argv) {
314 // We don't have logcat yet under recovery; so we'll print error on screen and log to stdout
315 // (which is redirected to recovery.log) as we used to do.
316 android::base::InitLogging(argv, &UiLogger);
317
318 // Take last pmsg contents and rewrite it to the current pmsg session.
319 static constexpr const char filter[] = "recovery/";
320 // Do we need to rotate?
321 bool do_rotate = false;
322
323 __android_log_pmsg_file_read(LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter, logbasename, &do_rotate);
324 // Take action to refresh pmsg contents
325 __android_log_pmsg_file_read(LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter, logrotate, &do_rotate);
326
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700327 time_t start = time(nullptr);
328
Tao Bao6d99d4b2018-04-25 16:47:04 -0700329 // redirect_stdio should be called only in non-sideload mode. Otherwise we may have two logger
330 // instances with different timestamps.
331 redirect_stdio(Paths::Get().temporary_log_file().c_str());
332
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700333 load_volume_table();
334 has_cache = volume_for_mount_point(CACHE_ROOT) != nullptr;
335
336 std::vector<std::string> args = get_args(argc, argv);
Tao Bao1700cc42018-07-16 22:09:59 -0700337 auto args_to_parse = StringVectorToNullTerminatedArray(args);
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700338
339 static constexpr struct option OPTIONS[] = {
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700340 { "fastboot", no_argument, nullptr, 0 },
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700341 { "locale", required_argument, nullptr, 0 },
342 { "show_text", no_argument, nullptr, 't' },
343 { nullptr, 0, nullptr, 0 },
344 };
345
346 bool show_text = false;
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700347 bool fastboot = false;
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700348 std::string locale;
349
350 int arg;
351 int option_index;
Tao Bao1700cc42018-07-16 22:09:59 -0700352 while ((arg = getopt_long(args_to_parse.size() - 1, args_to_parse.data(), "", OPTIONS,
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700353 &option_index)) != -1) {
354 switch (arg) {
355 case 't':
356 show_text = true;
357 break;
358 case 0: {
359 std::string option = OPTIONS[option_index].name;
360 if (option == "locale") {
361 locale = optarg;
Hridya Valsaraju7f41a2c2018-09-19 16:29:01 -0700362 } else if (option == "fastboot" &&
Yifan Hongd17174c2018-11-16 12:49:33 -0800363 android::base::GetBoolProperty("ro.boot.dynamic_partitions", false)) {
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700364 fastboot = true;
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700365 }
366 break;
367 }
368 }
369 }
Jerry Zhang49fd5d22018-05-17 12:54:41 -0700370 optind = 1;
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700371
372 if (locale.empty()) {
373 if (has_cache) {
374 locale = load_locale_from_cache();
375 }
376
377 if (locale.empty()) {
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700378 locale = DEFAULT_LOCALE;
379 }
380 }
381
Tao Bao42c45e22018-07-31 09:37:12 -0700382 static constexpr const char* kDefaultLibRecoveryUIExt = "librecovery_ui_ext.so";
383 // Intentionally not calling dlclose(3) to avoid potential gotchas (e.g. `make_device` may have
384 // handed out pointers to code or static [or thread-local] data and doesn't collect them all back
385 // in on dlclose).
386 void* librecovery_ui_ext = dlopen(kDefaultLibRecoveryUIExt, RTLD_NOW);
387
388 using MakeDeviceType = decltype(&make_device);
389 MakeDeviceType make_device_func = nullptr;
390 if (librecovery_ui_ext == nullptr) {
391 printf("Failed to dlopen %s: %s\n", kDefaultLibRecoveryUIExt, dlerror());
392 } else {
393 reinterpret_cast<void*&>(make_device_func) = dlsym(librecovery_ui_ext, "make_device");
394 if (make_device_func == nullptr) {
395 printf("Failed to dlsym make_device: %s\n", dlerror());
396 }
397 }
398
399 Device* device;
400 if (make_device_func == nullptr) {
401 printf("Falling back to the default make_device() instead\n");
402 device = make_device();
403 } else {
404 printf("Loading make_device from %s\n", kDefaultLibRecoveryUIExt);
405 device = (*make_device_func)();
406 }
407
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700408 if (android::base::GetBoolProperty("ro.boot.quiescent", false)) {
409 printf("Quiescent recovery mode.\n");
410 device->ResetUI(new StubRecoveryUI());
411 } else {
412 if (!device->GetUI()->Init(locale)) {
413 printf("Failed to initialize UI; using stub UI instead.\n");
414 device->ResetUI(new StubRecoveryUI());
415 }
416 }
417 ui = device->GetUI();
418
419 if (!has_cache) {
420 device->RemoveMenuItemForAction(Device::WIPE_CACHE);
421 }
422
Yifan Hongd17174c2018-11-16 12:49:33 -0800423 if (!android::base::GetBoolProperty("ro.boot.dynamic_partitions", false)) {
Hridya Valsarajudaa301e2018-09-18 14:48:01 -0700424 device->RemoveMenuItemForAction(Device::ENTER_FASTBOOT);
425 }
426
Tao Baoc6dc3252019-04-16 14:22:25 -0700427 if (!is_ro_debuggable()) {
428 device->RemoveMenuItemForAction(Device::ENTER_RESCUE);
429 }
430
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700431 ui->SetBackground(RecoveryUI::NONE);
432 if (show_text) ui->ShowText(true);
433
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700434 LOG(INFO) << "Starting recovery (pid " << getpid() << ") on " << ctime(&start);
435 LOG(INFO) << "locale is [" << locale << "]";
436
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700437 sehandle = selinux_android_file_context_handle();
438 selinux_android_set_sehandle(sehandle);
439 if (!sehandle) {
440 ui->Print("Warning: No file_contexts\n");
441 }
442
xunchang2239b9e2019-04-15 15:24:24 -0700443 SetLoggingSehandle(sehandle);
xunchang316e9712019-04-12 16:22:15 -0700444
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700445 std::atomic<Device::BuiltinAction> action;
446 std::thread listener_thread(ListenRecoverySocket, ui, std::ref(action));
447 listener_thread.detach();
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700448
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700449 while (true) {
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700450 std::string usb_config = fastboot ? "fastboot" : is_ro_debuggable() ? "adb" : "none";
451 std::string usb_state = android::base::GetProperty("sys.usb.state", "none");
452 if (usb_config != usb_state) {
453 if (!SetUsbConfig("none")) {
454 LOG(ERROR) << "Failed to clear USB config";
455 }
456 if (!SetUsbConfig(usb_config)) {
457 LOG(ERROR) << "Failed to set USB config to " << usb_config;
458 }
459 }
460
David Anderson983e2d52019-01-02 11:35:38 -0800461 ui->SetEnableFastbootdLogo(fastboot);
462
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700463 auto ret = fastboot ? StartFastboot(device, args) : start_recovery(device, args);
464
465 if (ret == Device::KEY_INTERRUPTED) {
466 ret = action.exchange(ret);
467 if (ret == Device::NO_ACTION) {
468 continue;
469 }
470 }
471 switch (ret) {
472 case Device::SHUTDOWN:
473 ui->Print("Shutting down...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700474 Shutdown();
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700475 break;
476
477 case Device::REBOOT_BOOTLOADER:
478 ui->Print("Rebooting to bootloader...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700479 Reboot("bootloader");
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700480 break;
481
Tao Baod9cb0142019-04-23 11:46:25 -0700482 case Device::REBOOT_FASTBOOT:
483 ui->Print("Rebooting to recovery/fastboot...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700484 Reboot("fastboot");
Tao Bao10f441a2019-04-19 15:22:15 -0700485 break;
486
Tao Baod9cb0142019-04-23 11:46:25 -0700487 case Device::REBOOT_RECOVERY:
488 ui->Print("Rebooting to recovery...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700489 Reboot("recovery");
Tao Baod9cb0142019-04-23 11:46:25 -0700490 break;
491
492 case Device::REBOOT_RESCUE: {
Tao Bao782dcc12019-04-29 11:23:16 -0700493 // Not using `Reboot("rescue")`, as it requires matching support in kernel and/or
Tao Baod9cb0142019-04-23 11:46:25 -0700494 // bootloader.
495 bootloader_message boot = {};
496 strlcpy(boot.command, "boot-rescue", sizeof(boot.command));
497 std::string err;
498 if (!write_bootloader_message(boot, &err)) {
499 LOG(ERROR) << "Failed to write bootloader message: " << err;
500 // Stay under recovery on failure.
501 continue;
502 }
503 ui->Print("Rebooting to recovery/rescue...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700504 Reboot("recovery");
Tao Baod9cb0142019-04-23 11:46:25 -0700505 break;
506 }
507
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700508 case Device::ENTER_FASTBOOT:
Tao Baof90d9a12019-05-10 10:40:59 -0700509 if (android::fs_mgr::LogicalPartitionsMapped()) {
David Anderson2b2f4232018-10-29 18:48:56 -0700510 ui->Print("Partitions may be mounted - rebooting to enter fastboot.");
Tao Bao782dcc12019-04-29 11:23:16 -0700511 Reboot("fastboot");
David Anderson2b2f4232018-10-29 18:48:56 -0700512 } else {
513 LOG(INFO) << "Entering fastboot";
514 fastboot = true;
515 }
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700516 break;
517
518 case Device::ENTER_RECOVERY:
519 LOG(INFO) << "Entering recovery";
520 fastboot = false;
521 break;
522
523 default:
524 ui->Print("Rebooting...\n");
Tao Bao782dcc12019-04-29 11:23:16 -0700525 Reboot("");
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700526 break;
527 }
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700528 }
Hridya Valsaraju20c81b32018-07-27 22:09:12 -0700529
Jerry Zhangf5e319a2018-05-04 11:24:10 -0700530 // Should be unreachable.
531 return EXIT_SUCCESS;
Tao Bao6d99d4b2018-04-25 16:47:04 -0700532}