PawletOS/android_bootable_recovery
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Merge "Move wipe cache|data to libinstall"

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This commit is contained in:
Tianjie Xu
2019-04-15 22:34:19 +00:00
committed by Gerrit Code Review
parent 0b172415fd 316e971746
commit 9fc764f1f0
17 changed files with 303 additions and 224 deletions
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3
Android.bp
View File

@@ -107,7 +107,6 @@ cc_binary {
],
srcs: [
"logging.cpp",
"recovery_main.cpp",
],
@@ -139,7 +138,6 @@ cc_binary {
],
srcs: [
"logging.cpp",
"recovery-persist.cpp",
],
@@ -167,7 +165,6 @@ cc_binary {
],
srcs: [
"logging.cpp",
"recovery-refresh.cpp",
],

1
install/Android.bp
View File

@@ -65,6 +65,7 @@ cc_library_static {
"install.cpp",
"package.cpp",
"verifier.cpp",
"wipe_data.cpp",
],
shared_libs: [

9
install/adb_install.cpp
View File

@@ -81,7 +81,7 @@ static bool WriteStatusToFd(MinadbdCommandStatus status, int fd) {
}
// Installs the package from FUSE. Returns true if the installation succeeds, and false otherwise.
static bool AdbInstallPackageHandler(bool* wipe_cache, RecoveryUI* ui, int* result) {
static bool AdbInstallPackageHandler(RecoveryUI* ui, int* result) {
// How long (in seconds) we wait for the package path to be ready. It doesn't need to be too long
// because the minadbd service has already issued an install command. FUSE_SIDELOAD_HOST_PATHNAME
// will start to exist once the host connects and starts serving a package. Poll for its
@@ -99,7 +99,7 @@ static bool AdbInstallPackageHandler(bool* wipe_cache, RecoveryUI* ui, int* resu
break;
}
}
*result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, false, 0, ui);
*result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, false, false, 0, ui);
break;
}
@@ -280,7 +280,7 @@ static void CreateMinadbdServiceAndExecuteCommands(
signal(SIGPIPE, SIG_DFL);
}
int apply_from_adb(bool* wipe_cache, RecoveryUI* ui) {
int apply_from_adb(RecoveryUI* ui) {
// Save the usb state to restore after the sideload operation.
std::string usb_state = android::base::GetProperty("sys.usb.state", "none");
// Clean up state and stop adbd.
@@ -295,8 +295,7 @@ int apply_from_adb(bool* wipe_cache, RecoveryUI* ui) {
int install_result = INSTALL_ERROR;
std::map<MinadbdCommands, CommandFunction> command_map{
{ MinadbdCommands::kInstall,
std::bind(&AdbInstallPackageHandler, wipe_cache, ui, &install_result) },
{ MinadbdCommands::kInstall, std::bind(&AdbInstallPackageHandler, ui, &install_result) },
};
CreateMinadbdServiceAndExecuteCommands(command_map);

4
install/fuse_sdcard_install.cpp
View File

@@ -133,7 +133,7 @@ static bool StartSdcardFuse(const std::string& path) {
return run_fuse_sideload(std::move(file_data_reader)) == 0;
}
int ApplyFromSdcard(Device* device, bool* wipe_cache, RecoveryUI* ui) {
int ApplyFromSdcard(Device* device, RecoveryUI* ui) {
if (ensure_path_mounted(SDCARD_ROOT) != 0) {
LOG(ERROR) << "\n-- Couldn't mount " << SDCARD_ROOT << ".\n";
return INSTALL_ERROR;
@@ -184,7 +184,7 @@ int ApplyFromSdcard(Device* device, bool* wipe_cache, RecoveryUI* ui) {
}
}
result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, false, 0 /*retry_count*/, ui);
result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, false, false, 0 /*retry_count*/, ui);
break;
}

2
install/include/install/adb_install.h
View File

@@ -18,4 +18,4 @@
#include <recovery_ui/ui.h>
int apply_from_adb(bool* wipe_cache, RecoveryUI* ui);
int apply_from_adb(RecoveryUI* ui);

2
install/include/install/fuse_sdcard_install.h
View File

@@ -19,4 +19,4 @@
#include "recovery_ui/device.h"
#include "recovery_ui/ui.h"
int ApplyFromSdcard(Device* device, bool* wipe_cache, RecoveryUI* ui);
int ApplyFromSdcard(Device* device, RecoveryUI* ui);

9
install/include/install/install.h
View File

@@ -43,10 +43,11 @@ enum class OtaType {
BRICK,
};
// Installs the given update package. If INSTALL_SUCCESS is returned and *wipe_cache is true on
// exit, caller should wipe the cache partition.
int install_package(const std::string& package, bool* wipe_cache, bool needs_mount, int retry_count,
RecoveryUI* ui);
// Installs the given update package. This function should also wipe the cache partition after a
// successful installation if |should_wipe_cache| is true or an updater command asks to wipe the
// cache.
int install_package(const std::string& package, bool should_wipe_cache, bool needs_mount,
int retry_count, RecoveryUI* ui);
// Verifies the package by ota keys. Returns true if the package is verified successfully,
// otherwise returns false.

32
install/include/install/wipe_data.h Normal file
View File

@@ -0,0 +1,32 @@
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <functional>
#include "recovery_ui/device.h"
#include "recovery_ui/ui.h"
struct selabel_handle;
void SetWipeDataSehandle(selabel_handle* handle);
// Returns true on success.
bool WipeCache(RecoveryUI* ui, const std::function<bool()>& confirm);
// Returns true on success.
bool WipeData(Device* device, bool convert_fbe);

18
install/install.cpp
View File

@@ -48,6 +48,7 @@
#include "install/package.h"
#include "install/verifier.h"
#include "install/wipe_data.h"
#include "otautil/error_code.h"
#include "otautil/paths.h"
#include "otautil/roots.h"
@@ -631,10 +632,9 @@ static int really_install_package(const std::string& path, bool* wipe_cache, boo
return result;
}
int install_package(const std::string& path, bool* wipe_cache, bool needs_mount, int retry_count,
RecoveryUI* ui) {
int install_package(const std::string& path, bool should_wipe_cache, bool needs_mount,
int retry_count, RecoveryUI* ui) {
CHECK(!path.empty());
CHECK(wipe_cache != nullptr);
auto start = std::chrono::system_clock::now();
@@ -647,8 +647,10 @@ int install_package(const std::string& path, bool* wipe_cache, bool needs_mount,
LOG(ERROR) << "failed to set up expected mounts for install; aborting";
result = INSTALL_ERROR;
} else {
result = really_install_package(path, wipe_cache, needs_mount, &log_buffer, retry_count,
&max_temperature, ui);
bool updater_wipe_cache = false;
result = really_install_package(path, &updater_wipe_cache, needs_mount, &log_buffer,
retry_count, &max_temperature, ui);
should_wipe_cache = should_wipe_cache || updater_wipe_cache;
}
// Measure the time spent to apply OTA update in seconds.
@@ -703,6 +705,12 @@ int install_package(const std::string& path, bool* wipe_cache, bool needs_mount,
// Write a copy into last_log.
LOG(INFO) << log_content;
if (result == INSTALL_SUCCESS && should_wipe_cache) {
if (!WipeCache(ui, nullptr)) {
result = INSTALL_ERROR;
}
}
return result;
}

190
install/wipe_data.cpp Normal file
View File

@@ -0,0 +1,190 @@
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "install/wipe_data.h"
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <functional>
#include <memory>
#include <vector>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include "otautil/dirutil.h"
#include "otautil/logging.h"
#include "otautil/roots.h"
#include "recovery_ui/ui.h"
constexpr const char* CACHE_ROOT = "/cache";
constexpr const char* DATA_ROOT = "/data";
constexpr const char* METADATA_ROOT = "/metadata";
constexpr const char* CACHE_LOG_DIR = "/cache/recovery";
static struct selabel_handle* sehandle;
void SetWipeDataSehandle(selabel_handle* handle) {
sehandle = handle;
}
struct saved_log_file {
std::string name;
struct stat sb;
std::string data;
};
static bool EraseVolume(const char* volume, RecoveryUI* ui, bool convert_fbe) {
bool is_cache = (strcmp(volume, CACHE_ROOT) == 0);
bool is_data = (strcmp(volume, DATA_ROOT) == 0);
ui->SetBackground(RecoveryUI::ERASING);
ui->SetProgressType(RecoveryUI::INDETERMINATE);
std::vector<saved_log_file> log_files;
if (is_cache) {
// If we're reformatting /cache, we load any past logs
// (i.e. "/cache/recovery/last_*") and the current log
// ("/cache/recovery/log") into memory, so we can restore them after
// the reformat.
ensure_path_mounted(volume);
struct dirent* de;
std::unique_ptr<DIR, decltype(&closedir)> d(opendir(CACHE_LOG_DIR), closedir);
if (d) {
while ((de = readdir(d.get())) != nullptr) {
if (strncmp(de->d_name, "last_", 5) == 0 || strcmp(de->d_name, "log") == 0) {
std::string path = android::base::StringPrintf("%s/%s", CACHE_LOG_DIR, de->d_name);
struct stat sb;
if (stat(path.c_str(), &sb) == 0) {
// truncate files to 512kb
if (sb.st_size > (1 << 19)) {
sb.st_size = 1 << 19;
}
std::string data(sb.st_size, '\0');
FILE* f = fopen(path.c_str(), "rbe");
fread(&data[0], 1, data.size(), f);
fclose(f);
log_files.emplace_back(saved_log_file{ path, sb, data });
}
}
}
} else {
if (errno != ENOENT) {
PLOG(ERROR) << "Failed to opendir " << CACHE_LOG_DIR;
}
}
}
ui->Print("Formatting %s...\n", volume);
ensure_path_unmounted(volume);
int result;
if (is_data && convert_fbe) {
constexpr const char* CONVERT_FBE_DIR = "/tmp/convert_fbe";
constexpr const char* CONVERT_FBE_FILE = "/tmp/convert_fbe/convert_fbe";
// Create convert_fbe breadcrumb file to signal init to convert to file based encryption, not
// full disk encryption.
if (mkdir(CONVERT_FBE_DIR, 0700) != 0) {
PLOG(ERROR) << "Failed to mkdir " << CONVERT_FBE_DIR;
return false;
}
FILE* f = fopen(CONVERT_FBE_FILE, "wbe");
if (!f) {
PLOG(ERROR) << "Failed to convert to file encryption";
return false;
}
fclose(f);
result = format_volume(volume, CONVERT_FBE_DIR);
remove(CONVERT_FBE_FILE);
rmdir(CONVERT_FBE_DIR);
} else {
result = format_volume(volume);
}
if (is_cache) {
// Re-create the log dir and write back the log entries.
if (ensure_path_mounted(CACHE_LOG_DIR) == 0 &&
mkdir_recursively(CACHE_LOG_DIR, 0777, false, sehandle) == 0) {
for (const auto& log : log_files) {
if (!android::base::WriteStringToFile(log.data, log.name, log.sb.st_mode, log.sb.st_uid,
log.sb.st_gid)) {
PLOG(ERROR) << "Failed to write to " << log.name;
}
}
} else {
PLOG(ERROR) << "Failed to mount / create " << CACHE_LOG_DIR;
}
// Any part of the log we'd copied to cache is now gone.
// Reset the pointer so we copy from the beginning of the temp
// log.
reset_tmplog_offset();
copy_logs(true /* save_current_log */, true /* has_cache */, sehandle);
}
return (result == 0);
}
bool WipeCache(RecoveryUI* ui, const std::function<bool()>& confirm_func) {
bool has_cache = volume_for_mount_point("/cache") != nullptr;
if (!has_cache) {
ui->Print("No /cache partition found.\n");
return false;
}
if (confirm_func && !confirm_func()) {
return false;
}
ui->Print("\n-- Wiping cache...\n");
bool success = EraseVolume("/cache", ui, false);
ui->Print("Cache wipe %s.\n", success ? "complete" : "failed");
return success;
}
bool WipeData(Device* device, bool convert_fbe) {
RecoveryUI* ui = device->GetUI();
ui->Print("\n-- Wiping data...\n");
bool success = device->PreWipeData();
if (success) {
success &= EraseVolume(DATA_ROOT, ui, convert_fbe);
bool has_cache = volume_for_mount_point("/cache") != nullptr;
if (has_cache) {
success &= EraseVolume(CACHE_ROOT, ui, false);
}
if (volume_for_mount_point(METADATA_ROOT) != nullptr) {
success &= EraseVolume(METADATA_ROOT, ui, false);
}
}
if (success) {
success &= device->PostWipeData();
}
ui->Print("Data wipe %s.\n", success ? "complete" : "failed");
return success;
}

1
otautil/Android.bp
View File

@@ -40,6 +40,7 @@ cc_library_static {
android: {
srcs: [
"dirutil.cpp",
"logging.cpp",
"mounts.cpp",
"parse_install_logs.cpp",
"roots.cpp",

5
logging.h → otautil/include/otautil/logging.h
View File

@@ -26,6 +26,8 @@
static constexpr int KEEP_LOG_COUNT = 10;
struct selabel_handle;
ssize_t logbasename(log_id_t id, char prio, const char* filename, const char* buf, size_t len,
void* arg);
@@ -41,8 +43,7 @@ void rotate_logs(const char* last_log_file, const char* last_kmsg_file);
void check_and_fclose(FILE* fp, const std::string& name);
void copy_log_file_to_pmsg(const std::string& source, const std::string& destination);
void copy_log_file(const std::string& source, const std::string& destination, bool append);
void copy_logs(bool modified_flash, bool has_cache);
void copy_logs(bool save_current_log, bool has_cache, const selabel_handle* sehandle);
void reset_tmplog_offset();
void save_kernel_log(const char* destination);

25
logging.cpp → otautil/logging.cpp
View File

@@ -14,7 +14,7 @@
* limitations under the License.
*/
#include "logging.h"
#include "otautil/logging.h"
#include <stdio.h>
#include <string.h>
@@ -29,8 +29,8 @@
#include <android-base/stringprintf.h>
#include <private/android_filesystem_config.h> /* for AID_SYSTEM */
#include <private/android_logger.h> /* private pmsg functions */
#include <selinux/label.h>
#include "common.h"
#include "otautil/dirutil.h"
#include "otautil/paths.h"
#include "otautil/roots.h"
@@ -45,7 +45,7 @@ static const std::string LAST_LOG_FILTER = "recovery/last_log";
// fopen(3)'s the given file, by mounting volumes and making parent dirs as necessary. Returns the
// file pointer, or nullptr on error.
static FILE* fopen_path(const std::string& path, const char* mode) {
static FILE* fopen_path(const std::string& path, const char* mode, const selabel_handle* sehandle) {
if (ensure_path_mounted(path) != 0) {
LOG(ERROR) << "Can't mount " << path;
return nullptr;
@@ -165,8 +165,9 @@ void reset_tmplog_offset() {
tmplog_offset = 0;
}
void copy_log_file(const std::string& source, const std::string& destination, bool append) {
FILE* dest_fp = fopen_path(destination, append ? "ae" : "we");
static void copy_log_file(const std::string& source, const std::string& destination, bool append,
const selabel_handle* sehandle) {
FILE* dest_fp = fopen_path(destination, append ? "ae" : "we", sehandle);
if (dest_fp == nullptr) {
PLOG(ERROR) << "Can't open " << destination;
} else {
@@ -189,11 +190,11 @@ void copy_log_file(const std::string& source, const std::string& destination, bo
}
}
void copy_logs(bool modified_flash, bool has_cache) {
// We only rotate and record the log of the current session if there are actual attempts to modify
// the flash, such as wipes, installs from BCB or menu selections. This is to avoid unnecessary
void copy_logs(bool save_current_log, bool has_cache, const selabel_handle* sehandle) {
// We only rotate and record the log of the current session if explicitly requested. This usually
// happens after wipes, installation from BCB or menu selections. This is to avoid unnecessary
// rotation (and possible deletion) of log files, if it does not do anything loggable.
if (!modified_flash) {
if (!save_current_log) {
return;
}
@@ -211,9 +212,9 @@ void copy_logs(bool modified_flash, bool has_cache) {
rotate_logs(LAST_LOG_FILE, LAST_KMSG_FILE);
// Copy logs to cache so the system can find out what happened.
copy_log_file(Paths::Get().temporary_log_file(), LOG_FILE, true);
copy_log_file(Paths::Get().temporary_log_file(), LAST_LOG_FILE, false);
copy_log_file(Paths::Get().temporary_install_file(), LAST_INSTALL_FILE, false);
copy_log_file(Paths::Get().temporary_log_file(), LOG_FILE, true, sehandle);
copy_log_file(Paths::Get().temporary_log_file(), LAST_LOG_FILE, false, sehandle);
copy_log_file(Paths::Get().temporary_install_file(), LAST_INSTALL_FILE, false, sehandle);
save_kernel_log(LAST_KMSG_FILE);
chmod(LOG_FILE, 0600);
chown(LOG_FILE, AID_SYSTEM, AID_SYSTEM);

2
recovery-persist.cpp
View File

@@ -43,7 +43,7 @@
#include <metricslogger/metrics_logger.h>
#include <private/android_logger.h> /* private pmsg functions */
#include "logging.h"
#include "otautil/logging.h"
#include "otautil/parse_install_logs.h"
constexpr const char* LAST_LOG_FILE = "/data/misc/recovery/last_log";

2
recovery-refresh.cpp
View File

@@ -42,7 +42,7 @@
#include <private/android_logger.h> /* private pmsg functions */
#include "logging.h"
#include "otautil/logging.h"
int main(int argc, char **argv) {
static const char filter[] = "recovery/";

217
recovery.cpp
View File

@@ -27,7 +27,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@@ -55,30 +54,27 @@
#include "install/fuse_sdcard_install.h"
#include "install/install.h"
#include "install/package.h"
#include "logging.h"
#include "otautil/dirutil.h"
#include "install/wipe_data.h"
#include "otautil/error_code.h"
#include "otautil/logging.h"
#include "otautil/paths.h"
#include "otautil/roots.h"
#include "otautil/sysutil.h"
#include "recovery_ui/screen_ui.h"
#include "recovery_ui/ui.h"
static constexpr const char* CACHE_LOG_DIR = "/cache/recovery";
static constexpr const char* COMMAND_FILE = "/cache/recovery/command";
static constexpr const char* LAST_KMSG_FILE = "/cache/recovery/last_kmsg";
static constexpr const char* LAST_LOG_FILE = "/cache/recovery/last_log";
static constexpr const char* LOCALE_FILE = "/cache/recovery/last_locale";
static constexpr const char* CACHE_ROOT = "/cache";
static constexpr const char* DATA_ROOT = "/data";
static constexpr const char* METADATA_ROOT = "/metadata";
// We define RECOVERY_API_VERSION in Android.mk, which will be picked up by build system and packed
// into target_files.zip. Assert the version defined in code and in Android.mk are consistent.
static_assert(kRecoveryApiVersion == RECOVERY_API_VERSION, "Mismatching recovery API versions.");
static bool modified_flash = false;
static bool save_current_log = false;
std::string stage;
const char* reason = nullptr;
@@ -148,7 +144,7 @@ static void finish_recovery() {
}
}
copy_logs(modified_flash, has_cache);
copy_logs(save_current_log, has_cache, sehandle);
// Reset to normal system boot so recovery won't cycle indefinitely.
std::string err;
@@ -167,110 +163,6 @@ static void finish_recovery() {
sync(); // For good measure.
}
struct saved_log_file {
std::string name;
struct stat sb;
std::string data;
};
static bool erase_volume(const char* volume) {
bool is_cache = (strcmp(volume, CACHE_ROOT) == 0);
bool is_data = (strcmp(volume, DATA_ROOT) == 0);
ui->SetBackground(RecoveryUI::ERASING);
ui->SetProgressType(RecoveryUI::INDETERMINATE);
std::vector<saved_log_file> log_files;
if (is_cache) {
// If we're reformatting /cache, we load any past logs
// (i.e. "/cache/recovery/last_*") and the current log
// ("/cache/recovery/log") into memory, so we can restore them after
// the reformat.
ensure_path_mounted(volume);
struct dirent* de;
std::unique_ptr<DIR, decltype(&closedir)> d(opendir(CACHE_LOG_DIR), closedir);
if (d) {
while ((de = readdir(d.get())) != nullptr) {
if (strncmp(de->d_name, "last_", 5) == 0 || strcmp(de->d_name, "log") == 0) {
std::string path = android::base::StringPrintf("%s/%s", CACHE_LOG_DIR, de->d_name);
struct stat sb;
if (stat(path.c_str(), &sb) == 0) {
// truncate files to 512kb
if (sb.st_size > (1 << 19)) {
sb.st_size = 1 << 19;
}
std::string data(sb.st_size, '\0');
FILE* f = fopen(path.c_str(), "rbe");
fread(&data[0], 1, data.size(), f);
fclose(f);
log_files.emplace_back(saved_log_file{ path, sb, data });
}
}
}
} else {
if (errno != ENOENT) {
PLOG(ERROR) << "Failed to opendir " << CACHE_LOG_DIR;
}
}
}
ui->Print("Formatting %s...\n", volume);
ensure_path_unmounted(volume);
int result;
if (is_data && reason && strcmp(reason, "convert_fbe") == 0) {
static constexpr const char* CONVERT_FBE_DIR = "/tmp/convert_fbe";
static constexpr const char* CONVERT_FBE_FILE = "/tmp/convert_fbe/convert_fbe";
// Create convert_fbe breadcrumb file to signal init to convert to file based encryption, not
// full disk encryption.
if (mkdir(CONVERT_FBE_DIR, 0700) != 0) {
PLOG(ERROR) << "Failed to mkdir " << CONVERT_FBE_DIR;
return false;
}
FILE* f = fopen(CONVERT_FBE_FILE, "wbe");
if (!f) {
PLOG(ERROR) << "Failed to convert to file encryption";
return false;
}
fclose(f);
result = format_volume(volume, CONVERT_FBE_DIR);
remove(CONVERT_FBE_FILE);
rmdir(CONVERT_FBE_DIR);
} else {
result = format_volume(volume);
}
if (is_cache) {
// Re-create the log dir and write back the log entries.
if (ensure_path_mounted(CACHE_LOG_DIR) == 0 &&
mkdir_recursively(CACHE_LOG_DIR, 0777, false, sehandle) == 0) {
for (const auto& log : log_files) {
if (!android::base::WriteStringToFile(log.data, log.name, log.sb.st_mode, log.sb.st_uid,
log.sb.st_gid)) {
PLOG(ERROR) << "Failed to write to " << log.name;
}
}
} else {
PLOG(ERROR) << "Failed to mount / create " << CACHE_LOG_DIR;
}
// Any part of the log we'd copied to cache is now gone.
// Reset the pointer so we copy from the beginning of the temp
// log.
reset_tmplog_offset();
copy_logs(modified_flash, has_cache);
}
return (result == 0);
}
static bool yes_no(Device* device, const char* question1, const char* question2) {
std::vector<std::string> headers{ question1, question2 };
std::vector<std::string> items{ " No", " Yes" };
@@ -292,28 +184,6 @@ static bool ask_to_wipe_data(Device* device) {
return (chosen_item == 1);
}
// Return true on success.
static bool wipe_data(Device* device) {
modified_flash = true;
ui->Print("\n-- Wiping data...\n");
bool success = device->PreWipeData();
if (success) {
success &= erase_volume(DATA_ROOT);
if (has_cache) {
success &= erase_volume(CACHE_ROOT);
}
if (volume_for_mount_point(METADATA_ROOT) != nullptr) {
success &= erase_volume(METADATA_ROOT);
}
}
if (success) {
success &= device->PostWipeData();
}
ui->Print("Data wipe %s.\n", success ? "complete" : "failed");
return success;
}
static InstallResult prompt_and_wipe_data(Device* device) {
// Use a single string and let ScreenRecoveryUI handles the wrapping.
std::vector<std::string> wipe_data_menu_headers{
@@ -341,7 +211,8 @@ static InstallResult prompt_and_wipe_data(Device* device) {
}
if (ask_to_wipe_data(device)) {
if (wipe_data(device)) {
bool convert_fbe = reason && strcmp(reason, "convert_fbe") == 0;
if (WipeData(device, convert_fbe)) {
return INSTALL_SUCCESS;
} else {
return INSTALL_ERROR;
@@ -350,25 +221,6 @@ static InstallResult prompt_and_wipe_data(Device* device) {
}
}
// Return true on success.
static bool wipe_cache(bool should_confirm, Device* device) {
if (!has_cache) {
ui->Print("No /cache partition found.\n");
return false;
}
if (should_confirm && !yes_no(device, "Wipe cache?", " THIS CAN NOT BE UNDONE!")) {
return false;
}
modified_flash = true;
ui->Print("\n-- Wiping cache...\n");
bool success = erase_volume("/cache");
ui->Print("Cache wipe %s.\n", success ? "complete" : "failed");
return success;
}
// Secure-wipe a given partition. It uses BLKSECDISCARD, if supported. Otherwise, it goes with
// BLKDISCARD (if device supports BLKDISCARDZEROES) or BLKZEROOUT.
static bool secure_wipe_partition(const std::string& partition) {
@@ -653,7 +505,6 @@ static Device::BuiltinAction prompt_and_wait(Device* device, int status) {
? Device::REBOOT
: device->InvokeMenuItem(chosen_item);
bool should_wipe_cache = false;
switch (chosen_action) {
case Device::NO_ACTION:
break;
@@ -666,41 +517,40 @@ static Device::BuiltinAction prompt_and_wait(Device* device, int status) {
return chosen_action;
case Device::WIPE_DATA:
save_current_log = true;
if (ui->IsTextVisible()) {
if (ask_to_wipe_data(device)) {
wipe_data(device);
WipeData(device, false);
}
} else {
wipe_data(device);
WipeData(device, false);
return Device::NO_ACTION;
}
break;
case Device::WIPE_CACHE:
wipe_cache(ui->IsTextVisible(), device);
case Device::WIPE_CACHE: {
save_current_log = true;
std::function<bool()> confirm_func = [&device]() {
return yes_no(device, "Wipe cache?", " THIS CAN NOT BE UNDONE!");
};
WipeCache(ui, ui->IsTextVisible() ? confirm_func : nullptr);
if (!ui->IsTextVisible()) return Device::NO_ACTION;
break;
}
case Device::APPLY_ADB_SIDELOAD:
case Device::APPLY_SDCARD: {
modified_flash = true;
save_current_log = true;
bool adb = (chosen_action == Device::APPLY_ADB_SIDELOAD);
if (adb) {
status = apply_from_adb(&should_wipe_cache, ui);
status = apply_from_adb(ui);
} else {
status = ApplyFromSdcard(device, &should_wipe_cache, ui);
}
if (status == INSTALL_SUCCESS && should_wipe_cache) {
if (!wipe_cache(false, device)) {
status = INSTALL_ERROR;
}
status = ApplyFromSdcard(device, ui);
}
if (status != INSTALL_SUCCESS) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
copy_logs(modified_flash, has_cache);
copy_logs(save_current_log, has_cache, sehandle);
} else if (!ui->IsTextVisible()) {
return Device::NO_ACTION; // reboot if logs aren't visible
} else {
@@ -987,7 +837,7 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
if (update_package != nullptr) {
// It's not entirely true that we will modify the flash. But we want
// to log the update attempt since update_package is non-NULL.
modified_flash = true;
save_current_log = true;
int required_battery_level;
if (retry_count == 0 && !is_battery_ok(&required_battery_level)) {
@@ -1009,11 +859,7 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
set_retry_bootloader_message(retry_count + 1, args);
}
modified_flash = true;
status = install_package(update_package, &should_wipe_cache, true, retry_count, ui);
if (status == INSTALL_SUCCESS && should_wipe_cache) {
wipe_cache(false, device);
}
status = install_package(update_package, should_wipe_cache, true, retry_count, ui);
if (status != INSTALL_SUCCESS) {
ui->Print("Installation aborted.\n");
@@ -1021,7 +867,7 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
// RETRY_LIMIT times before we abandon this OTA update.
static constexpr int RETRY_LIMIT = 4;
if (status == INSTALL_RETRY && retry_count < RETRY_LIMIT) {
copy_logs(modified_flash, has_cache);
copy_logs(save_current_log, has_cache, sehandle);
retry_count += 1;
set_retry_bootloader_message(retry_count, args);
// Print retry count on screen.
@@ -1045,12 +891,14 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
}
}
} else if (should_wipe_data) {
if (!wipe_data(device)) {
save_current_log = true;
bool convert_fbe = reason && strcmp(reason, "convert_fbe") == 0;
if (!WipeData(device, convert_fbe)) {
status = INSTALL_ERROR;
}
} else if (should_prompt_and_wipe_data) {
// Trigger the logging to capture the cause, even if user chooses to not wipe data.
modified_flash = true;
save_current_log = true;
ui->ShowText(true);
ui->SetBackground(RecoveryUI::ERROR);
@@ -1059,7 +907,8 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
ui->ShowText(false);
}
} else if (should_wipe_cache) {
if (!wipe_cache(false, device)) {
save_current_log = true;
if (!WipeCache(ui, nullptr)) {
status = INSTALL_ERROR;
}
} else if (should_wipe_ab) {
@@ -1073,15 +922,11 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
// sideload finishes even if there are errors. Unless one turns on the
// text display during the installation. This is to enable automated
// testing.
save_current_log = true;
if (!sideload_auto_reboot) {
ui->ShowText(true);
}
status = apply_from_adb(&should_wipe_cache, ui);
if (status == INSTALL_SUCCESS && should_wipe_cache) {
if (!wipe_cache(false, device)) {
status = INSTALL_ERROR;
}
}
status = apply_from_adb(ui);
ui->Print("\nInstall from ADB complete (status: %d).\n", status);
if (sideload_auto_reboot) {
ui->Print("Rebooting automatically.\n");

5
recovery_main.cpp
View File

@@ -50,7 +50,8 @@
#include "common.h"
#include "fastboot/fastboot.h"
#include "logging.h"
#include "install/wipe_data.h"
#include "otautil/logging.h"
#include "otautil/paths.h"
#include "otautil/roots.h"
#include "otautil/sysutil.h"
@@ -434,6 +435,8 @@ int main(int argc, char** argv) {
ui->Print("Warning: No file_contexts\n");
}
SetWipeDataSehandle(sehandle);
std::atomic<Device::BuiltinAction> action;
std::thread listener_thread(ListenRecoverySocket, ui, std::ref(action));
listener_thread.detach();